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) 2018-2019 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 = offsetof(struct ieee80211_mgmt,
218 if (ieee80211_hdrlen(mgmt->frame_control) !=
219 offsetof(struct ieee80211_mgmt, u.beacon))
225 for_each_element(elem, data, len) {
229 if (for_each_element_completed(elem, data, len))
233 NL_SET_ERR_MSG_ATTR(extack, attr, "malformed beacon head");
237 static int validate_ie_attr(const struct nlattr *attr,
238 struct netlink_ext_ack *extack)
240 const u8 *data = nla_data(attr);
241 unsigned int len = nla_len(attr);
242 const struct element *elem;
244 for_each_element(elem, data, len) {
248 if (for_each_element_completed(elem, data, len))
251 NL_SET_ERR_MSG_ATTR(extack, attr, "malformed information elements");
255 /* policy for the attributes */
256 static const struct nla_policy
257 nl80211_ftm_responder_policy[NL80211_FTM_RESP_ATTR_MAX + 1] = {
258 [NL80211_FTM_RESP_ATTR_ENABLED] = { .type = NLA_FLAG, },
259 [NL80211_FTM_RESP_ATTR_LCI] = { .type = NLA_BINARY,
261 [NL80211_FTM_RESP_ATTR_CIVICLOC] = { .type = NLA_BINARY,
265 static const struct nla_policy
266 nl80211_pmsr_ftm_req_attr_policy[NL80211_PMSR_FTM_REQ_ATTR_MAX + 1] = {
267 [NL80211_PMSR_FTM_REQ_ATTR_ASAP] = { .type = NLA_FLAG },
268 [NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE] = { .type = NLA_U32 },
269 [NL80211_PMSR_FTM_REQ_ATTR_NUM_BURSTS_EXP] =
270 NLA_POLICY_MAX(NLA_U8, 15),
271 [NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD] = { .type = NLA_U16 },
272 [NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION] =
273 NLA_POLICY_MAX(NLA_U8, 15),
274 [NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST] =
275 NLA_POLICY_MAX(NLA_U8, 31),
276 [NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES] = { .type = NLA_U8 },
277 [NL80211_PMSR_FTM_REQ_ATTR_REQUEST_LCI] = { .type = NLA_FLAG },
278 [NL80211_PMSR_FTM_REQ_ATTR_REQUEST_CIVICLOC] = { .type = NLA_FLAG },
281 static const struct nla_policy
282 nl80211_pmsr_req_data_policy[NL80211_PMSR_TYPE_MAX + 1] = {
283 [NL80211_PMSR_TYPE_FTM] =
284 NLA_POLICY_NESTED(nl80211_pmsr_ftm_req_attr_policy),
287 static const struct nla_policy
288 nl80211_pmsr_req_attr_policy[NL80211_PMSR_REQ_ATTR_MAX + 1] = {
289 [NL80211_PMSR_REQ_ATTR_DATA] =
290 NLA_POLICY_NESTED(nl80211_pmsr_req_data_policy),
291 [NL80211_PMSR_REQ_ATTR_GET_AP_TSF] = { .type = NLA_FLAG },
294 static const struct nla_policy
295 nl80211_psmr_peer_attr_policy[NL80211_PMSR_PEER_ATTR_MAX + 1] = {
296 [NL80211_PMSR_PEER_ATTR_ADDR] = NLA_POLICY_ETH_ADDR,
298 * we could specify this again to be the top-level policy,
299 * but that would open us up to recursion problems ...
301 [NL80211_PMSR_PEER_ATTR_CHAN] = { .type = NLA_NESTED },
302 [NL80211_PMSR_PEER_ATTR_REQ] =
303 NLA_POLICY_NESTED(nl80211_pmsr_req_attr_policy),
304 [NL80211_PMSR_PEER_ATTR_RESP] = { .type = NLA_REJECT },
307 static const struct nla_policy
308 nl80211_pmsr_attr_policy[NL80211_PMSR_ATTR_MAX + 1] = {
309 [NL80211_PMSR_ATTR_MAX_PEERS] = { .type = NLA_REJECT },
310 [NL80211_PMSR_ATTR_REPORT_AP_TSF] = { .type = NLA_REJECT },
311 [NL80211_PMSR_ATTR_RANDOMIZE_MAC_ADDR] = { .type = NLA_REJECT },
312 [NL80211_PMSR_ATTR_TYPE_CAPA] = { .type = NLA_REJECT },
313 [NL80211_PMSR_ATTR_PEERS] =
314 NLA_POLICY_NESTED_ARRAY(nl80211_psmr_peer_attr_policy),
317 static const struct nla_policy
318 he_obss_pd_policy[NL80211_HE_OBSS_PD_ATTR_MAX + 1] = {
319 [NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET] =
320 NLA_POLICY_RANGE(NLA_U8, 1, 20),
321 [NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET] =
322 NLA_POLICY_RANGE(NLA_U8, 1, 20),
325 const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
326 [0] = { .strict_start_type = NL80211_ATTR_HE_OBSS_PD },
327 [NL80211_ATTR_WIPHY] = { .type = NLA_U32 },
328 [NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING,
330 [NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED },
332 [NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 },
333 [NL80211_ATTR_WIPHY_CHANNEL_TYPE] = { .type = NLA_U32 },
334 [NL80211_ATTR_WIPHY_EDMG_CHANNELS] = NLA_POLICY_RANGE(NLA_U8,
335 NL80211_EDMG_CHANNELS_MIN,
336 NL80211_EDMG_CHANNELS_MAX),
337 [NL80211_ATTR_WIPHY_EDMG_BW_CONFIG] = NLA_POLICY_RANGE(NLA_U8,
338 NL80211_EDMG_BW_CONFIG_MIN,
339 NL80211_EDMG_BW_CONFIG_MAX),
341 [NL80211_ATTR_CHANNEL_WIDTH] = { .type = NLA_U32 },
342 [NL80211_ATTR_CENTER_FREQ1] = { .type = NLA_U32 },
343 [NL80211_ATTR_CENTER_FREQ2] = { .type = NLA_U32 },
345 [NL80211_ATTR_WIPHY_RETRY_SHORT] = NLA_POLICY_MIN(NLA_U8, 1),
346 [NL80211_ATTR_WIPHY_RETRY_LONG] = NLA_POLICY_MIN(NLA_U8, 1),
347 [NL80211_ATTR_WIPHY_FRAG_THRESHOLD] = { .type = NLA_U32 },
348 [NL80211_ATTR_WIPHY_RTS_THRESHOLD] = { .type = NLA_U32 },
349 [NL80211_ATTR_WIPHY_COVERAGE_CLASS] = { .type = NLA_U8 },
350 [NL80211_ATTR_WIPHY_DYN_ACK] = { .type = NLA_FLAG },
352 [NL80211_ATTR_IFTYPE] = NLA_POLICY_MAX(NLA_U32, NL80211_IFTYPE_MAX),
353 [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 },
354 [NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 },
356 [NL80211_ATTR_MAC] = { .type = NLA_EXACT_LEN_WARN, .len = ETH_ALEN },
357 [NL80211_ATTR_PREV_BSSID] = {
358 .type = NLA_EXACT_LEN_WARN,
362 [NL80211_ATTR_KEY] = { .type = NLA_NESTED, },
363 [NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY,
364 .len = WLAN_MAX_KEY_LEN },
365 [NL80211_ATTR_KEY_IDX] = NLA_POLICY_MAX(NLA_U8, 5),
366 [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 },
367 [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG },
368 [NL80211_ATTR_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
369 [NL80211_ATTR_KEY_TYPE] =
370 NLA_POLICY_MAX(NLA_U32, NUM_NL80211_KEYTYPES),
372 [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 },
373 [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 },
374 [NL80211_ATTR_BEACON_HEAD] =
375 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_beacon_head,
376 IEEE80211_MAX_DATA_LEN),
377 [NL80211_ATTR_BEACON_TAIL] =
378 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
379 IEEE80211_MAX_DATA_LEN),
380 [NL80211_ATTR_STA_AID] =
381 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
382 [NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED },
383 [NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 },
384 [NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY,
385 .len = NL80211_MAX_SUPP_RATES },
386 [NL80211_ATTR_STA_PLINK_ACTION] =
387 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_PLINK_ACTIONS - 1),
388 [NL80211_ATTR_STA_TX_POWER_SETTING] =
389 NLA_POLICY_RANGE(NLA_U8,
390 NL80211_TX_POWER_AUTOMATIC,
391 NL80211_TX_POWER_FIXED),
392 [NL80211_ATTR_STA_TX_POWER] = { .type = NLA_S16 },
393 [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 },
394 [NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ },
395 [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY,
396 .len = IEEE80211_MAX_MESH_ID_LEN },
397 [NL80211_ATTR_MPATH_NEXT_HOP] = NLA_POLICY_ETH_ADDR_COMPAT,
399 [NL80211_ATTR_REG_ALPHA2] = { .type = NLA_STRING, .len = 2 },
400 [NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED },
402 [NL80211_ATTR_BSS_CTS_PROT] = { .type = NLA_U8 },
403 [NL80211_ATTR_BSS_SHORT_PREAMBLE] = { .type = NLA_U8 },
404 [NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 },
405 [NL80211_ATTR_BSS_BASIC_RATES] = { .type = NLA_BINARY,
406 .len = NL80211_MAX_SUPP_RATES },
407 [NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 },
409 [NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED },
410 [NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG },
412 [NL80211_ATTR_HT_CAPABILITY] = {
413 .type = NLA_EXACT_LEN_WARN,
414 .len = NL80211_HT_CAPABILITY_LEN
417 [NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 },
418 [NL80211_ATTR_IE] = NLA_POLICY_VALIDATE_FN(NLA_BINARY,
420 IEEE80211_MAX_DATA_LEN),
421 [NL80211_ATTR_SCAN_FREQUENCIES] = { .type = NLA_NESTED },
422 [NL80211_ATTR_SCAN_SSIDS] = { .type = NLA_NESTED },
424 [NL80211_ATTR_SSID] = { .type = NLA_BINARY,
425 .len = IEEE80211_MAX_SSID_LEN },
426 [NL80211_ATTR_AUTH_TYPE] = { .type = NLA_U32 },
427 [NL80211_ATTR_REASON_CODE] = { .type = NLA_U16 },
428 [NL80211_ATTR_FREQ_FIXED] = { .type = NLA_FLAG },
429 [NL80211_ATTR_TIMED_OUT] = { .type = NLA_FLAG },
430 [NL80211_ATTR_USE_MFP] = NLA_POLICY_RANGE(NLA_U32,
432 NL80211_MFP_OPTIONAL),
433 [NL80211_ATTR_STA_FLAGS2] = {
434 .len = sizeof(struct nl80211_sta_flag_update),
436 [NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG },
437 [NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 },
438 [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG },
439 [NL80211_ATTR_CONTROL_PORT_OVER_NL80211] = { .type = NLA_FLAG },
440 [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG },
441 [NL80211_ATTR_STATUS_CODE] = { .type = NLA_U16 },
442 [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 },
443 [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 },
444 [NL80211_ATTR_PID] = { .type = NLA_U32 },
445 [NL80211_ATTR_4ADDR] = { .type = NLA_U8 },
446 [NL80211_ATTR_PMKID] = {
447 .type = NLA_EXACT_LEN_WARN,
448 .len = WLAN_PMKID_LEN
450 [NL80211_ATTR_DURATION] = { .type = NLA_U32 },
451 [NL80211_ATTR_COOKIE] = { .type = NLA_U64 },
452 [NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED },
453 [NL80211_ATTR_FRAME] = { .type = NLA_BINARY,
454 .len = IEEE80211_MAX_DATA_LEN },
455 [NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, },
456 [NL80211_ATTR_PS_STATE] = NLA_POLICY_RANGE(NLA_U32,
459 [NL80211_ATTR_CQM] = { .type = NLA_NESTED, },
460 [NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG },
461 [NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 },
462 [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 },
463 [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 },
464 [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 },
465 [NL80211_ATTR_WIPHY_ANTENNA_TX] = { .type = NLA_U32 },
466 [NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 },
467 [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 },
468 [NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG },
469 [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
470 [NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED },
471 [NL80211_ATTR_STA_PLINK_STATE] =
472 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_PLINK_STATES - 1),
473 [NL80211_ATTR_MESH_PEER_AID] =
474 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
475 [NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 },
476 [NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED },
477 [NL80211_ATTR_SCAN_SUPP_RATES] = { .type = NLA_NESTED },
478 [NL80211_ATTR_HIDDEN_SSID] =
479 NLA_POLICY_RANGE(NLA_U32,
480 NL80211_HIDDEN_SSID_NOT_IN_USE,
481 NL80211_HIDDEN_SSID_ZERO_CONTENTS),
482 [NL80211_ATTR_IE_PROBE_RESP] =
483 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
484 IEEE80211_MAX_DATA_LEN),
485 [NL80211_ATTR_IE_ASSOC_RESP] =
486 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
487 IEEE80211_MAX_DATA_LEN),
488 [NL80211_ATTR_ROAM_SUPPORT] = { .type = NLA_FLAG },
489 [NL80211_ATTR_SCHED_SCAN_MATCH] = { .type = NLA_NESTED },
490 [NL80211_ATTR_TX_NO_CCK_RATE] = { .type = NLA_FLAG },
491 [NL80211_ATTR_TDLS_ACTION] = { .type = NLA_U8 },
492 [NL80211_ATTR_TDLS_DIALOG_TOKEN] = { .type = NLA_U8 },
493 [NL80211_ATTR_TDLS_OPERATION] = { .type = NLA_U8 },
494 [NL80211_ATTR_TDLS_SUPPORT] = { .type = NLA_FLAG },
495 [NL80211_ATTR_TDLS_EXTERNAL_SETUP] = { .type = NLA_FLAG },
496 [NL80211_ATTR_TDLS_INITIATOR] = { .type = NLA_FLAG },
497 [NL80211_ATTR_DONT_WAIT_FOR_ACK] = { .type = NLA_FLAG },
498 [NL80211_ATTR_PROBE_RESP] = { .type = NLA_BINARY,
499 .len = IEEE80211_MAX_DATA_LEN },
500 [NL80211_ATTR_DFS_REGION] = { .type = NLA_U8 },
501 [NL80211_ATTR_DISABLE_HT] = { .type = NLA_FLAG },
502 [NL80211_ATTR_HT_CAPABILITY_MASK] = {
503 .len = NL80211_HT_CAPABILITY_LEN
505 [NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 },
506 [NL80211_ATTR_INACTIVITY_TIMEOUT] = { .type = NLA_U16 },
507 [NL80211_ATTR_BG_SCAN_PERIOD] = { .type = NLA_U16 },
508 [NL80211_ATTR_WDEV] = { .type = NLA_U64 },
509 [NL80211_ATTR_USER_REG_HINT_TYPE] = { .type = NLA_U32 },
510 [NL80211_ATTR_AUTH_DATA] = { .type = NLA_BINARY, },
511 [NL80211_ATTR_VHT_CAPABILITY] = {
512 .type = NLA_EXACT_LEN_WARN,
513 .len = NL80211_VHT_CAPABILITY_LEN
515 [NL80211_ATTR_SCAN_FLAGS] = { .type = NLA_U32 },
516 [NL80211_ATTR_P2P_CTWINDOW] = NLA_POLICY_MAX(NLA_U8, 127),
517 [NL80211_ATTR_P2P_OPPPS] = NLA_POLICY_MAX(NLA_U8, 1),
518 [NL80211_ATTR_LOCAL_MESH_POWER_MODE] =
519 NLA_POLICY_RANGE(NLA_U32,
520 NL80211_MESH_POWER_UNKNOWN + 1,
521 NL80211_MESH_POWER_MAX),
522 [NL80211_ATTR_ACL_POLICY] = {. type = NLA_U32 },
523 [NL80211_ATTR_MAC_ADDRS] = { .type = NLA_NESTED },
524 [NL80211_ATTR_STA_CAPABILITY] = { .type = NLA_U16 },
525 [NL80211_ATTR_STA_EXT_CAPABILITY] = { .type = NLA_BINARY, },
526 [NL80211_ATTR_SPLIT_WIPHY_DUMP] = { .type = NLA_FLAG, },
527 [NL80211_ATTR_DISABLE_VHT] = { .type = NLA_FLAG },
528 [NL80211_ATTR_VHT_CAPABILITY_MASK] = {
529 .len = NL80211_VHT_CAPABILITY_LEN,
531 [NL80211_ATTR_MDID] = { .type = NLA_U16 },
532 [NL80211_ATTR_IE_RIC] = { .type = NLA_BINARY,
533 .len = IEEE80211_MAX_DATA_LEN },
534 [NL80211_ATTR_PEER_AID] =
535 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
536 [NL80211_ATTR_CH_SWITCH_COUNT] = { .type = NLA_U32 },
537 [NL80211_ATTR_CH_SWITCH_BLOCK_TX] = { .type = NLA_FLAG },
538 [NL80211_ATTR_CSA_IES] = { .type = NLA_NESTED },
539 [NL80211_ATTR_CSA_C_OFF_BEACON] = { .type = NLA_BINARY },
540 [NL80211_ATTR_CSA_C_OFF_PRESP] = { .type = NLA_BINARY },
541 [NL80211_ATTR_STA_SUPPORTED_CHANNELS] = { .type = NLA_BINARY },
542 [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES] = { .type = NLA_BINARY },
543 [NL80211_ATTR_HANDLE_DFS] = { .type = NLA_FLAG },
544 [NL80211_ATTR_OPMODE_NOTIF] = { .type = NLA_U8 },
545 [NL80211_ATTR_VENDOR_ID] = { .type = NLA_U32 },
546 [NL80211_ATTR_VENDOR_SUBCMD] = { .type = NLA_U32 },
547 [NL80211_ATTR_VENDOR_DATA] = { .type = NLA_BINARY },
548 [NL80211_ATTR_QOS_MAP] = { .type = NLA_BINARY,
549 .len = IEEE80211_QOS_MAP_LEN_MAX },
550 [NL80211_ATTR_MAC_HINT] = {
551 .type = NLA_EXACT_LEN_WARN,
554 [NL80211_ATTR_WIPHY_FREQ_HINT] = { .type = NLA_U32 },
555 [NL80211_ATTR_TDLS_PEER_CAPABILITY] = { .type = NLA_U32 },
556 [NL80211_ATTR_SOCKET_OWNER] = { .type = NLA_FLAG },
557 [NL80211_ATTR_CSA_C_OFFSETS_TX] = { .type = NLA_BINARY },
558 [NL80211_ATTR_USE_RRM] = { .type = NLA_FLAG },
559 [NL80211_ATTR_TSID] = NLA_POLICY_MAX(NLA_U8, IEEE80211_NUM_TIDS - 1),
560 [NL80211_ATTR_USER_PRIO] =
561 NLA_POLICY_MAX(NLA_U8, IEEE80211_NUM_UPS - 1),
562 [NL80211_ATTR_ADMITTED_TIME] = { .type = NLA_U16 },
563 [NL80211_ATTR_SMPS_MODE] = { .type = NLA_U8 },
564 [NL80211_ATTR_MAC_MASK] = {
565 .type = NLA_EXACT_LEN_WARN,
568 [NL80211_ATTR_WIPHY_SELF_MANAGED_REG] = { .type = NLA_FLAG },
569 [NL80211_ATTR_NETNS_FD] = { .type = NLA_U32 },
570 [NL80211_ATTR_SCHED_SCAN_DELAY] = { .type = NLA_U32 },
571 [NL80211_ATTR_REG_INDOOR] = { .type = NLA_FLAG },
572 [NL80211_ATTR_PBSS] = { .type = NLA_FLAG },
573 [NL80211_ATTR_BSS_SELECT] = { .type = NLA_NESTED },
574 [NL80211_ATTR_STA_SUPPORT_P2P_PS] =
575 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_P2P_PS_STATUS - 1),
576 [NL80211_ATTR_MU_MIMO_GROUP_DATA] = {
577 .len = VHT_MUMIMO_GROUPS_DATA_LEN
579 [NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR] = {
580 .type = NLA_EXACT_LEN_WARN,
583 [NL80211_ATTR_NAN_MASTER_PREF] = NLA_POLICY_MIN(NLA_U8, 1),
584 [NL80211_ATTR_BANDS] = { .type = NLA_U32 },
585 [NL80211_ATTR_NAN_FUNC] = { .type = NLA_NESTED },
586 [NL80211_ATTR_FILS_KEK] = { .type = NLA_BINARY,
587 .len = FILS_MAX_KEK_LEN },
588 [NL80211_ATTR_FILS_NONCES] = {
589 .type = NLA_EXACT_LEN_WARN,
590 .len = 2 * FILS_NONCE_LEN
592 [NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED] = { .type = NLA_FLAG, },
593 [NL80211_ATTR_BSSID] = { .type = NLA_EXACT_LEN_WARN, .len = ETH_ALEN },
594 [NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] = { .type = NLA_S8 },
595 [NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST] = {
596 .len = sizeof(struct nl80211_bss_select_rssi_adjust)
598 [NL80211_ATTR_TIMEOUT_REASON] = { .type = NLA_U32 },
599 [NL80211_ATTR_FILS_ERP_USERNAME] = { .type = NLA_BINARY,
600 .len = FILS_ERP_MAX_USERNAME_LEN },
601 [NL80211_ATTR_FILS_ERP_REALM] = { .type = NLA_BINARY,
602 .len = FILS_ERP_MAX_REALM_LEN },
603 [NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] = { .type = NLA_U16 },
604 [NL80211_ATTR_FILS_ERP_RRK] = { .type = NLA_BINARY,
605 .len = FILS_ERP_MAX_RRK_LEN },
606 [NL80211_ATTR_FILS_CACHE_ID] = { .type = NLA_EXACT_LEN_WARN, .len = 2 },
607 [NL80211_ATTR_PMK] = { .type = NLA_BINARY, .len = PMK_MAX_LEN },
608 [NL80211_ATTR_SCHED_SCAN_MULTI] = { .type = NLA_FLAG },
609 [NL80211_ATTR_EXTERNAL_AUTH_SUPPORT] = { .type = NLA_FLAG },
611 [NL80211_ATTR_TXQ_LIMIT] = { .type = NLA_U32 },
612 [NL80211_ATTR_TXQ_MEMORY_LIMIT] = { .type = NLA_U32 },
613 [NL80211_ATTR_TXQ_QUANTUM] = { .type = NLA_U32 },
614 [NL80211_ATTR_HE_CAPABILITY] = { .type = NLA_BINARY,
615 .len = NL80211_HE_MAX_CAPABILITY_LEN },
617 [NL80211_ATTR_FTM_RESPONDER] = {
619 .validation_data = nl80211_ftm_responder_policy,
621 [NL80211_ATTR_TIMEOUT] = NLA_POLICY_MIN(NLA_U32, 1),
622 [NL80211_ATTR_PEER_MEASUREMENTS] =
623 NLA_POLICY_NESTED(nl80211_pmsr_attr_policy),
624 [NL80211_ATTR_AIRTIME_WEIGHT] = NLA_POLICY_MIN(NLA_U16, 1),
625 [NL80211_ATTR_SAE_PASSWORD] = { .type = NLA_BINARY,
626 .len = SAE_PASSWORD_MAX_LEN },
627 [NL80211_ATTR_TWT_RESPONDER] = { .type = NLA_FLAG },
628 [NL80211_ATTR_HE_OBSS_PD] = NLA_POLICY_NESTED(he_obss_pd_policy),
629 [NL80211_ATTR_VLAN_ID] = NLA_POLICY_RANGE(NLA_U16, 1, VLAN_N_VID - 2),
632 /* policy for the key attributes */
633 static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = {
634 [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN },
635 [NL80211_KEY_IDX] = { .type = NLA_U8 },
636 [NL80211_KEY_CIPHER] = { .type = NLA_U32 },
637 [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
638 [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG },
639 [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG },
640 [NL80211_KEY_TYPE] = NLA_POLICY_MAX(NLA_U32, NUM_NL80211_KEYTYPES - 1),
641 [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
642 [NL80211_KEY_MODE] = NLA_POLICY_RANGE(NLA_U8, 0, NL80211_KEY_SET_TX),
645 /* policy for the key default flags */
646 static const struct nla_policy
647 nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = {
648 [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG },
649 [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG },
653 /* policy for WoWLAN attributes */
654 static const struct nla_policy
655 nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = {
656 [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG },
657 [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG },
658 [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG },
659 [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED },
660 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG },
661 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG },
662 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG },
663 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG },
664 [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED },
665 [NL80211_WOWLAN_TRIG_NET_DETECT] = { .type = NLA_NESTED },
668 static const struct nla_policy
669 nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = {
670 [NL80211_WOWLAN_TCP_SRC_IPV4] = { .type = NLA_U32 },
671 [NL80211_WOWLAN_TCP_DST_IPV4] = { .type = NLA_U32 },
672 [NL80211_WOWLAN_TCP_DST_MAC] = {
673 .type = NLA_EXACT_LEN_WARN,
676 [NL80211_WOWLAN_TCP_SRC_PORT] = { .type = NLA_U16 },
677 [NL80211_WOWLAN_TCP_DST_PORT] = { .type = NLA_U16 },
678 [NL80211_WOWLAN_TCP_DATA_PAYLOAD] = { .type = NLA_MIN_LEN, .len = 1 },
679 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ] = {
680 .len = sizeof(struct nl80211_wowlan_tcp_data_seq)
682 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN] = {
683 .len = sizeof(struct nl80211_wowlan_tcp_data_token)
685 [NL80211_WOWLAN_TCP_DATA_INTERVAL] = { .type = NLA_U32 },
686 [NL80211_WOWLAN_TCP_WAKE_PAYLOAD] = { .type = NLA_MIN_LEN, .len = 1 },
687 [NL80211_WOWLAN_TCP_WAKE_MASK] = { .type = NLA_MIN_LEN, .len = 1 },
689 #endif /* CONFIG_PM */
691 /* policy for coalesce rule attributes */
692 static const struct nla_policy
693 nl80211_coalesce_policy[NUM_NL80211_ATTR_COALESCE_RULE] = {
694 [NL80211_ATTR_COALESCE_RULE_DELAY] = { .type = NLA_U32 },
695 [NL80211_ATTR_COALESCE_RULE_CONDITION] =
696 NLA_POLICY_RANGE(NLA_U32,
697 NL80211_COALESCE_CONDITION_MATCH,
698 NL80211_COALESCE_CONDITION_NO_MATCH),
699 [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN] = { .type = NLA_NESTED },
702 /* policy for GTK rekey offload attributes */
703 static const struct nla_policy
704 nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = {
705 [NL80211_REKEY_DATA_KEK] = {
706 .type = NLA_EXACT_LEN_WARN,
707 .len = NL80211_KEK_LEN,
709 [NL80211_REKEY_DATA_KCK] = {
710 .type = NLA_EXACT_LEN_WARN,
711 .len = NL80211_KCK_LEN,
713 [NL80211_REKEY_DATA_REPLAY_CTR] = {
714 .type = NLA_EXACT_LEN_WARN,
715 .len = NL80211_REPLAY_CTR_LEN
719 static const struct nla_policy
720 nl80211_match_band_rssi_policy[NUM_NL80211_BANDS] = {
721 [NL80211_BAND_2GHZ] = { .type = NLA_S32 },
722 [NL80211_BAND_5GHZ] = { .type = NLA_S32 },
723 [NL80211_BAND_6GHZ] = { .type = NLA_S32 },
724 [NL80211_BAND_60GHZ] = { .type = NLA_S32 },
727 static const struct nla_policy
728 nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = {
729 [NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY,
730 .len = IEEE80211_MAX_SSID_LEN },
731 [NL80211_SCHED_SCAN_MATCH_ATTR_BSSID] = {
732 .type = NLA_EXACT_LEN_WARN,
735 [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 },
736 [NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI] =
737 NLA_POLICY_NESTED(nl80211_match_band_rssi_policy),
740 static const struct nla_policy
741 nl80211_plan_policy[NL80211_SCHED_SCAN_PLAN_MAX + 1] = {
742 [NL80211_SCHED_SCAN_PLAN_INTERVAL] = { .type = NLA_U32 },
743 [NL80211_SCHED_SCAN_PLAN_ITERATIONS] = { .type = NLA_U32 },
746 static const struct nla_policy
747 nl80211_bss_select_policy[NL80211_BSS_SELECT_ATTR_MAX + 1] = {
748 [NL80211_BSS_SELECT_ATTR_RSSI] = { .type = NLA_FLAG },
749 [NL80211_BSS_SELECT_ATTR_BAND_PREF] = { .type = NLA_U32 },
750 [NL80211_BSS_SELECT_ATTR_RSSI_ADJUST] = {
751 .len = sizeof(struct nl80211_bss_select_rssi_adjust)
755 /* policy for NAN function attributes */
756 static const struct nla_policy
757 nl80211_nan_func_policy[NL80211_NAN_FUNC_ATTR_MAX + 1] = {
758 [NL80211_NAN_FUNC_TYPE] = { .type = NLA_U8 },
759 [NL80211_NAN_FUNC_SERVICE_ID] = {
760 .len = NL80211_NAN_FUNC_SERVICE_ID_LEN },
761 [NL80211_NAN_FUNC_PUBLISH_TYPE] = { .type = NLA_U8 },
762 [NL80211_NAN_FUNC_PUBLISH_BCAST] = { .type = NLA_FLAG },
763 [NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE] = { .type = NLA_FLAG },
764 [NL80211_NAN_FUNC_FOLLOW_UP_ID] = { .type = NLA_U8 },
765 [NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] = { .type = NLA_U8 },
766 [NL80211_NAN_FUNC_FOLLOW_UP_DEST] = {
767 .type = NLA_EXACT_LEN_WARN,
770 [NL80211_NAN_FUNC_CLOSE_RANGE] = { .type = NLA_FLAG },
771 [NL80211_NAN_FUNC_TTL] = { .type = NLA_U32 },
772 [NL80211_NAN_FUNC_SERVICE_INFO] = { .type = NLA_BINARY,
773 .len = NL80211_NAN_FUNC_SERVICE_SPEC_INFO_MAX_LEN },
774 [NL80211_NAN_FUNC_SRF] = { .type = NLA_NESTED },
775 [NL80211_NAN_FUNC_RX_MATCH_FILTER] = { .type = NLA_NESTED },
776 [NL80211_NAN_FUNC_TX_MATCH_FILTER] = { .type = NLA_NESTED },
777 [NL80211_NAN_FUNC_INSTANCE_ID] = { .type = NLA_U8 },
778 [NL80211_NAN_FUNC_TERM_REASON] = { .type = NLA_U8 },
781 /* policy for Service Response Filter attributes */
782 static const struct nla_policy
783 nl80211_nan_srf_policy[NL80211_NAN_SRF_ATTR_MAX + 1] = {
784 [NL80211_NAN_SRF_INCLUDE] = { .type = NLA_FLAG },
785 [NL80211_NAN_SRF_BF] = { .type = NLA_BINARY,
786 .len = NL80211_NAN_FUNC_SRF_MAX_LEN },
787 [NL80211_NAN_SRF_BF_IDX] = { .type = NLA_U8 },
788 [NL80211_NAN_SRF_MAC_ADDRS] = { .type = NLA_NESTED },
791 /* policy for packet pattern attributes */
792 static const struct nla_policy
793 nl80211_packet_pattern_policy[MAX_NL80211_PKTPAT + 1] = {
794 [NL80211_PKTPAT_MASK] = { .type = NLA_BINARY, },
795 [NL80211_PKTPAT_PATTERN] = { .type = NLA_BINARY, },
796 [NL80211_PKTPAT_OFFSET] = { .type = NLA_U32 },
799 int nl80211_prepare_wdev_dump(struct netlink_callback *cb,
800 struct cfg80211_registered_device **rdev,
801 struct wireless_dev **wdev)
806 struct nlattr **attrbuf;
808 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf),
813 err = nlmsg_parse_deprecated(cb->nlh,
814 GENL_HDRLEN + nl80211_fam.hdrsize,
815 attrbuf, nl80211_fam.maxattr,
816 nl80211_policy, NULL);
822 *wdev = __cfg80211_wdev_from_attrs(sock_net(cb->skb->sk),
826 return PTR_ERR(*wdev);
827 *rdev = wiphy_to_rdev((*wdev)->wiphy);
828 /* 0 is the first index - add 1 to parse only once */
829 cb->args[0] = (*rdev)->wiphy_idx + 1;
830 cb->args[1] = (*wdev)->identifier;
832 /* subtract the 1 again here */
833 struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
834 struct wireless_dev *tmp;
838 *rdev = wiphy_to_rdev(wiphy);
841 list_for_each_entry(tmp, &(*rdev)->wiphy.wdev_list, list) {
842 if (tmp->identifier == cb->args[1]) {
855 /* message building helper */
856 void *nl80211hdr_put(struct sk_buff *skb, u32 portid, u32 seq,
859 /* since there is no private header just add the generic one */
860 return genlmsg_put(skb, portid, seq, &nl80211_fam, flags, cmd);
863 static int nl80211_msg_put_wmm_rules(struct sk_buff *msg,
864 const struct ieee80211_reg_rule *rule)
867 struct nlattr *nl_wmm_rules =
868 nla_nest_start_noflag(msg, NL80211_FREQUENCY_ATTR_WMM);
871 goto nla_put_failure;
873 for (j = 0; j < IEEE80211_NUM_ACS; j++) {
874 struct nlattr *nl_wmm_rule = nla_nest_start_noflag(msg, j);
877 goto nla_put_failure;
879 if (nla_put_u16(msg, NL80211_WMMR_CW_MIN,
880 rule->wmm_rule.client[j].cw_min) ||
881 nla_put_u16(msg, NL80211_WMMR_CW_MAX,
882 rule->wmm_rule.client[j].cw_max) ||
883 nla_put_u8(msg, NL80211_WMMR_AIFSN,
884 rule->wmm_rule.client[j].aifsn) ||
885 nla_put_u16(msg, NL80211_WMMR_TXOP,
886 rule->wmm_rule.client[j].cot))
887 goto nla_put_failure;
889 nla_nest_end(msg, nl_wmm_rule);
891 nla_nest_end(msg, nl_wmm_rules);
899 static int nl80211_msg_put_channel(struct sk_buff *msg, struct wiphy *wiphy,
900 struct ieee80211_channel *chan,
903 /* Some channels must be completely excluded from the
904 * list to protect old user-space tools from breaking
906 if (!large && chan->flags &
907 (IEEE80211_CHAN_NO_10MHZ | IEEE80211_CHAN_NO_20MHZ))
910 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_FREQ,
912 goto nla_put_failure;
914 if ((chan->flags & IEEE80211_CHAN_DISABLED) &&
915 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DISABLED))
916 goto nla_put_failure;
917 if (chan->flags & IEEE80211_CHAN_NO_IR) {
918 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IR))
919 goto nla_put_failure;
920 if (nla_put_flag(msg, __NL80211_FREQUENCY_ATTR_NO_IBSS))
921 goto nla_put_failure;
923 if (chan->flags & IEEE80211_CHAN_RADAR) {
924 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR))
925 goto nla_put_failure;
929 time = elapsed_jiffies_msecs(chan->dfs_state_entered);
931 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_STATE,
933 goto nla_put_failure;
934 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_TIME,
936 goto nla_put_failure;
938 NL80211_FREQUENCY_ATTR_DFS_CAC_TIME,
940 goto nla_put_failure;
945 if ((chan->flags & IEEE80211_CHAN_NO_HT40MINUS) &&
946 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS))
947 goto nla_put_failure;
948 if ((chan->flags & IEEE80211_CHAN_NO_HT40PLUS) &&
949 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS))
950 goto nla_put_failure;
951 if ((chan->flags & IEEE80211_CHAN_NO_80MHZ) &&
952 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_80MHZ))
953 goto nla_put_failure;
954 if ((chan->flags & IEEE80211_CHAN_NO_160MHZ) &&
955 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_160MHZ))
956 goto nla_put_failure;
957 if ((chan->flags & IEEE80211_CHAN_INDOOR_ONLY) &&
958 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_INDOOR_ONLY))
959 goto nla_put_failure;
960 if ((chan->flags & IEEE80211_CHAN_IR_CONCURRENT) &&
961 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_IR_CONCURRENT))
962 goto nla_put_failure;
963 if ((chan->flags & IEEE80211_CHAN_NO_20MHZ) &&
964 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_20MHZ))
965 goto nla_put_failure;
966 if ((chan->flags & IEEE80211_CHAN_NO_10MHZ) &&
967 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_10MHZ))
968 goto nla_put_failure;
971 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER,
972 DBM_TO_MBM(chan->max_power)))
973 goto nla_put_failure;
976 const struct ieee80211_reg_rule *rule =
977 freq_reg_info(wiphy, MHZ_TO_KHZ(chan->center_freq));
979 if (!IS_ERR_OR_NULL(rule) && rule->has_wmm) {
980 if (nl80211_msg_put_wmm_rules(msg, rule))
981 goto nla_put_failure;
991 static bool nl80211_put_txq_stats(struct sk_buff *msg,
992 struct cfg80211_txq_stats *txqstats,
995 struct nlattr *txqattr;
997 #define PUT_TXQVAL_U32(attr, memb) do { \
998 if (txqstats->filled & BIT(NL80211_TXQ_STATS_ ## attr) && \
999 nla_put_u32(msg, NL80211_TXQ_STATS_ ## attr, txqstats->memb)) \
1003 txqattr = nla_nest_start_noflag(msg, attrtype);
1007 PUT_TXQVAL_U32(BACKLOG_BYTES, backlog_bytes);
1008 PUT_TXQVAL_U32(BACKLOG_PACKETS, backlog_packets);
1009 PUT_TXQVAL_U32(FLOWS, flows);
1010 PUT_TXQVAL_U32(DROPS, drops);
1011 PUT_TXQVAL_U32(ECN_MARKS, ecn_marks);
1012 PUT_TXQVAL_U32(OVERLIMIT, overlimit);
1013 PUT_TXQVAL_U32(OVERMEMORY, overmemory);
1014 PUT_TXQVAL_U32(COLLISIONS, collisions);
1015 PUT_TXQVAL_U32(TX_BYTES, tx_bytes);
1016 PUT_TXQVAL_U32(TX_PACKETS, tx_packets);
1017 PUT_TXQVAL_U32(MAX_FLOWS, max_flows);
1018 nla_nest_end(msg, txqattr);
1020 #undef PUT_TXQVAL_U32
1024 /* netlink command implementations */
1027 struct key_params p;
1031 bool def_uni, def_multi;
1034 static int nl80211_parse_key_new(struct genl_info *info, struct nlattr *key,
1035 struct key_parse *k)
1037 struct nlattr *tb[NL80211_KEY_MAX + 1];
1038 int err = nla_parse_nested_deprecated(tb, NL80211_KEY_MAX, key,
1044 k->def = !!tb[NL80211_KEY_DEFAULT];
1045 k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT];
1049 k->def_multi = true;
1052 k->def_multi = true;
1054 if (tb[NL80211_KEY_IDX])
1055 k->idx = nla_get_u8(tb[NL80211_KEY_IDX]);
1057 if (tb[NL80211_KEY_DATA]) {
1058 k->p.key = nla_data(tb[NL80211_KEY_DATA]);
1059 k->p.key_len = nla_len(tb[NL80211_KEY_DATA]);
1062 if (tb[NL80211_KEY_SEQ]) {
1063 k->p.seq = nla_data(tb[NL80211_KEY_SEQ]);
1064 k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]);
1067 if (tb[NL80211_KEY_CIPHER])
1068 k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]);
1070 if (tb[NL80211_KEY_TYPE])
1071 k->type = nla_get_u32(tb[NL80211_KEY_TYPE]);
1073 if (tb[NL80211_KEY_DEFAULT_TYPES]) {
1074 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
1076 err = nla_parse_nested_deprecated(kdt,
1077 NUM_NL80211_KEY_DEFAULT_TYPES - 1,
1078 tb[NL80211_KEY_DEFAULT_TYPES],
1079 nl80211_key_default_policy,
1084 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
1085 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
1088 if (tb[NL80211_KEY_MODE])
1089 k->p.mode = nla_get_u8(tb[NL80211_KEY_MODE]);
1094 static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k)
1096 if (info->attrs[NL80211_ATTR_KEY_DATA]) {
1097 k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]);
1098 k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]);
1101 if (info->attrs[NL80211_ATTR_KEY_SEQ]) {
1102 k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]);
1103 k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]);
1106 if (info->attrs[NL80211_ATTR_KEY_IDX])
1107 k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
1109 if (info->attrs[NL80211_ATTR_KEY_CIPHER])
1110 k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]);
1112 k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT];
1113 k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT];
1117 k->def_multi = true;
1120 k->def_multi = true;
1122 if (info->attrs[NL80211_ATTR_KEY_TYPE])
1123 k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
1125 if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) {
1126 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
1127 int err = nla_parse_nested_deprecated(kdt,
1128 NUM_NL80211_KEY_DEFAULT_TYPES - 1,
1129 info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES],
1130 nl80211_key_default_policy,
1135 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
1136 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
1142 static int nl80211_parse_key(struct genl_info *info, struct key_parse *k)
1146 memset(k, 0, sizeof(*k));
1150 if (info->attrs[NL80211_ATTR_KEY])
1151 err = nl80211_parse_key_new(info, info->attrs[NL80211_ATTR_KEY], k);
1153 err = nl80211_parse_key_old(info, k);
1158 if (k->def && k->defmgmt) {
1159 GENL_SET_ERR_MSG(info, "key with def && defmgmt is invalid");
1164 if (k->def_uni || !k->def_multi) {
1165 GENL_SET_ERR_MSG(info, "defmgmt key must be mcast");
1172 if (k->idx < 4 || k->idx > 5) {
1173 GENL_SET_ERR_MSG(info,
1174 "defmgmt key idx not 4 or 5");
1177 } else if (k->def) {
1178 if (k->idx < 0 || k->idx > 3) {
1179 GENL_SET_ERR_MSG(info, "def key idx not 0-3");
1183 if (k->idx < 0 || k->idx > 5) {
1184 GENL_SET_ERR_MSG(info, "key idx not 0-5");
1193 static struct cfg80211_cached_keys *
1194 nl80211_parse_connkeys(struct cfg80211_registered_device *rdev,
1195 struct genl_info *info, bool *no_ht)
1197 struct nlattr *keys = info->attrs[NL80211_ATTR_KEYS];
1198 struct key_parse parse;
1200 struct cfg80211_cached_keys *result;
1201 int rem, err, def = 0;
1202 bool have_key = false;
1204 nla_for_each_nested(key, keys, rem) {
1212 result = kzalloc(sizeof(*result), GFP_KERNEL);
1214 return ERR_PTR(-ENOMEM);
1218 nla_for_each_nested(key, keys, rem) {
1219 memset(&parse, 0, sizeof(parse));
1222 err = nl80211_parse_key_new(info, key, &parse);
1228 if (parse.idx < 0 || parse.idx > 3) {
1229 GENL_SET_ERR_MSG(info, "key index out of range [0-3]");
1234 GENL_SET_ERR_MSG(info,
1235 "only one key can be default");
1239 result->def = parse.idx;
1240 if (!parse.def_uni || !parse.def_multi)
1242 } else if (parse.defmgmt)
1244 err = cfg80211_validate_key_settings(rdev, &parse.p,
1245 parse.idx, false, NULL);
1248 if (parse.p.cipher != WLAN_CIPHER_SUITE_WEP40 &&
1249 parse.p.cipher != WLAN_CIPHER_SUITE_WEP104) {
1250 GENL_SET_ERR_MSG(info, "connect key must be WEP");
1254 result->params[parse.idx].cipher = parse.p.cipher;
1255 result->params[parse.idx].key_len = parse.p.key_len;
1256 result->params[parse.idx].key = result->data[parse.idx];
1257 memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len);
1259 /* must be WEP key if we got here */
1264 if (result->def < 0) {
1266 GENL_SET_ERR_MSG(info, "need a default/TX key");
1273 return ERR_PTR(err);
1276 static int nl80211_key_allowed(struct wireless_dev *wdev)
1278 ASSERT_WDEV_LOCK(wdev);
1280 switch (wdev->iftype) {
1281 case NL80211_IFTYPE_AP:
1282 case NL80211_IFTYPE_AP_VLAN:
1283 case NL80211_IFTYPE_P2P_GO:
1284 case NL80211_IFTYPE_MESH_POINT:
1286 case NL80211_IFTYPE_ADHOC:
1287 case NL80211_IFTYPE_STATION:
1288 case NL80211_IFTYPE_P2P_CLIENT:
1289 if (!wdev->current_bss)
1292 case NL80211_IFTYPE_UNSPECIFIED:
1293 case NL80211_IFTYPE_OCB:
1294 case NL80211_IFTYPE_MONITOR:
1295 case NL80211_IFTYPE_NAN:
1296 case NL80211_IFTYPE_P2P_DEVICE:
1297 case NL80211_IFTYPE_WDS:
1298 case NUM_NL80211_IFTYPES:
1305 static struct ieee80211_channel *nl80211_get_valid_chan(struct wiphy *wiphy,
1308 struct ieee80211_channel *chan;
1312 chan = ieee80211_get_channel(wiphy, nla_get_u32(tb));
1313 if (!chan || chan->flags & IEEE80211_CHAN_DISABLED)
1318 static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes)
1320 struct nlattr *nl_modes = nla_nest_start_noflag(msg, attr);
1324 goto nla_put_failure;
1328 if ((ifmodes & 1) && nla_put_flag(msg, i))
1329 goto nla_put_failure;
1334 nla_nest_end(msg, nl_modes);
1341 static int nl80211_put_iface_combinations(struct wiphy *wiphy,
1342 struct sk_buff *msg,
1345 struct nlattr *nl_combis;
1348 nl_combis = nla_nest_start_noflag(msg,
1349 NL80211_ATTR_INTERFACE_COMBINATIONS);
1351 goto nla_put_failure;
1353 for (i = 0; i < wiphy->n_iface_combinations; i++) {
1354 const struct ieee80211_iface_combination *c;
1355 struct nlattr *nl_combi, *nl_limits;
1357 c = &wiphy->iface_combinations[i];
1359 nl_combi = nla_nest_start_noflag(msg, i + 1);
1361 goto nla_put_failure;
1363 nl_limits = nla_nest_start_noflag(msg,
1364 NL80211_IFACE_COMB_LIMITS);
1366 goto nla_put_failure;
1368 for (j = 0; j < c->n_limits; j++) {
1369 struct nlattr *nl_limit;
1371 nl_limit = nla_nest_start_noflag(msg, j + 1);
1373 goto nla_put_failure;
1374 if (nla_put_u32(msg, NL80211_IFACE_LIMIT_MAX,
1376 goto nla_put_failure;
1377 if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES,
1378 c->limits[j].types))
1379 goto nla_put_failure;
1380 nla_nest_end(msg, nl_limit);
1383 nla_nest_end(msg, nl_limits);
1385 if (c->beacon_int_infra_match &&
1386 nla_put_flag(msg, NL80211_IFACE_COMB_STA_AP_BI_MATCH))
1387 goto nla_put_failure;
1388 if (nla_put_u32(msg, NL80211_IFACE_COMB_NUM_CHANNELS,
1389 c->num_different_channels) ||
1390 nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM,
1392 goto nla_put_failure;
1394 (nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS,
1395 c->radar_detect_widths) ||
1396 nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS,
1397 c->radar_detect_regions)))
1398 goto nla_put_failure;
1399 if (c->beacon_int_min_gcd &&
1400 nla_put_u32(msg, NL80211_IFACE_COMB_BI_MIN_GCD,
1401 c->beacon_int_min_gcd))
1402 goto nla_put_failure;
1404 nla_nest_end(msg, nl_combi);
1407 nla_nest_end(msg, nl_combis);
1415 static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev,
1416 struct sk_buff *msg)
1418 const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan->tcp;
1419 struct nlattr *nl_tcp;
1424 nl_tcp = nla_nest_start_noflag(msg,
1425 NL80211_WOWLAN_TRIG_TCP_CONNECTION);
1429 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
1430 tcp->data_payload_max))
1433 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
1434 tcp->data_payload_max))
1437 if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ))
1440 if (tcp->tok && nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
1441 sizeof(*tcp->tok), tcp->tok))
1444 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
1445 tcp->data_interval_max))
1448 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
1449 tcp->wake_payload_max))
1452 nla_nest_end(msg, nl_tcp);
1456 static int nl80211_send_wowlan(struct sk_buff *msg,
1457 struct cfg80211_registered_device *rdev,
1460 struct nlattr *nl_wowlan;
1462 if (!rdev->wiphy.wowlan)
1465 nl_wowlan = nla_nest_start_noflag(msg,
1466 NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED);
1470 if (((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_ANY) &&
1471 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
1472 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_DISCONNECT) &&
1473 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
1474 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT) &&
1475 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
1476 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) &&
1477 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED)) ||
1478 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) &&
1479 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
1480 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) &&
1481 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
1482 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) &&
1483 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
1484 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE) &&
1485 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
1488 if (rdev->wiphy.wowlan->n_patterns) {
1489 struct nl80211_pattern_support pat = {
1490 .max_patterns = rdev->wiphy.wowlan->n_patterns,
1491 .min_pattern_len = rdev->wiphy.wowlan->pattern_min_len,
1492 .max_pattern_len = rdev->wiphy.wowlan->pattern_max_len,
1493 .max_pkt_offset = rdev->wiphy.wowlan->max_pkt_offset,
1496 if (nla_put(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
1501 if ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_NET_DETECT) &&
1502 nla_put_u32(msg, NL80211_WOWLAN_TRIG_NET_DETECT,
1503 rdev->wiphy.wowlan->max_nd_match_sets))
1506 if (large && nl80211_send_wowlan_tcp_caps(rdev, msg))
1509 nla_nest_end(msg, nl_wowlan);
1515 static int nl80211_send_coalesce(struct sk_buff *msg,
1516 struct cfg80211_registered_device *rdev)
1518 struct nl80211_coalesce_rule_support rule;
1520 if (!rdev->wiphy.coalesce)
1523 rule.max_rules = rdev->wiphy.coalesce->n_rules;
1524 rule.max_delay = rdev->wiphy.coalesce->max_delay;
1525 rule.pat.max_patterns = rdev->wiphy.coalesce->n_patterns;
1526 rule.pat.min_pattern_len = rdev->wiphy.coalesce->pattern_min_len;
1527 rule.pat.max_pattern_len = rdev->wiphy.coalesce->pattern_max_len;
1528 rule.pat.max_pkt_offset = rdev->wiphy.coalesce->max_pkt_offset;
1530 if (nla_put(msg, NL80211_ATTR_COALESCE_RULE, sizeof(rule), &rule))
1537 nl80211_send_iftype_data(struct sk_buff *msg,
1538 const struct ieee80211_sband_iftype_data *iftdata)
1540 const struct ieee80211_sta_he_cap *he_cap = &iftdata->he_cap;
1542 if (nl80211_put_iftypes(msg, NL80211_BAND_IFTYPE_ATTR_IFTYPES,
1543 iftdata->types_mask))
1546 if (he_cap->has_he) {
1547 if (nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC,
1548 sizeof(he_cap->he_cap_elem.mac_cap_info),
1549 he_cap->he_cap_elem.mac_cap_info) ||
1550 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY,
1551 sizeof(he_cap->he_cap_elem.phy_cap_info),
1552 he_cap->he_cap_elem.phy_cap_info) ||
1553 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET,
1554 sizeof(he_cap->he_mcs_nss_supp),
1555 &he_cap->he_mcs_nss_supp) ||
1556 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE,
1557 sizeof(he_cap->ppe_thres), he_cap->ppe_thres))
1564 static int nl80211_send_band_rateinfo(struct sk_buff *msg,
1565 struct ieee80211_supported_band *sband)
1567 struct nlattr *nl_rates, *nl_rate;
1568 struct ieee80211_rate *rate;
1572 if (sband->ht_cap.ht_supported &&
1573 (nla_put(msg, NL80211_BAND_ATTR_HT_MCS_SET,
1574 sizeof(sband->ht_cap.mcs),
1575 &sband->ht_cap.mcs) ||
1576 nla_put_u16(msg, NL80211_BAND_ATTR_HT_CAPA,
1577 sband->ht_cap.cap) ||
1578 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR,
1579 sband->ht_cap.ampdu_factor) ||
1580 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY,
1581 sband->ht_cap.ampdu_density)))
1585 if (sband->vht_cap.vht_supported &&
1586 (nla_put(msg, NL80211_BAND_ATTR_VHT_MCS_SET,
1587 sizeof(sband->vht_cap.vht_mcs),
1588 &sband->vht_cap.vht_mcs) ||
1589 nla_put_u32(msg, NL80211_BAND_ATTR_VHT_CAPA,
1590 sband->vht_cap.cap)))
1593 if (sband->n_iftype_data) {
1594 struct nlattr *nl_iftype_data =
1595 nla_nest_start_noflag(msg,
1596 NL80211_BAND_ATTR_IFTYPE_DATA);
1599 if (!nl_iftype_data)
1602 for (i = 0; i < sband->n_iftype_data; i++) {
1603 struct nlattr *iftdata;
1605 iftdata = nla_nest_start_noflag(msg, i + 1);
1609 err = nl80211_send_iftype_data(msg,
1610 &sband->iftype_data[i]);
1614 nla_nest_end(msg, iftdata);
1617 nla_nest_end(msg, nl_iftype_data);
1621 if (sband->edmg_cap.channels &&
1622 (nla_put_u8(msg, NL80211_BAND_ATTR_EDMG_CHANNELS,
1623 sband->edmg_cap.channels) ||
1624 nla_put_u8(msg, NL80211_BAND_ATTR_EDMG_BW_CONFIG,
1625 sband->edmg_cap.bw_config)))
1630 nl_rates = nla_nest_start_noflag(msg, NL80211_BAND_ATTR_RATES);
1634 for (i = 0; i < sband->n_bitrates; i++) {
1635 nl_rate = nla_nest_start_noflag(msg, i);
1639 rate = &sband->bitrates[i];
1640 if (nla_put_u32(msg, NL80211_BITRATE_ATTR_RATE,
1643 if ((rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) &&
1645 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE))
1648 nla_nest_end(msg, nl_rate);
1651 nla_nest_end(msg, nl_rates);
1657 nl80211_send_mgmt_stypes(struct sk_buff *msg,
1658 const struct ieee80211_txrx_stypes *mgmt_stypes)
1661 struct nlattr *nl_ftypes, *nl_ifs;
1662 enum nl80211_iftype ift;
1668 nl_ifs = nla_nest_start_noflag(msg, NL80211_ATTR_TX_FRAME_TYPES);
1672 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
1673 nl_ftypes = nla_nest_start_noflag(msg, ift);
1677 stypes = mgmt_stypes[ift].tx;
1680 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
1681 (i << 4) | IEEE80211_FTYPE_MGMT))
1686 nla_nest_end(msg, nl_ftypes);
1689 nla_nest_end(msg, nl_ifs);
1691 nl_ifs = nla_nest_start_noflag(msg, NL80211_ATTR_RX_FRAME_TYPES);
1695 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
1696 nl_ftypes = nla_nest_start_noflag(msg, ift);
1700 stypes = mgmt_stypes[ift].rx;
1703 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
1704 (i << 4) | IEEE80211_FTYPE_MGMT))
1709 nla_nest_end(msg, nl_ftypes);
1711 nla_nest_end(msg, nl_ifs);
1716 #define CMD(op, n) \
1718 if (rdev->ops->op) { \
1720 if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \
1721 goto nla_put_failure; \
1725 static int nl80211_add_commands_unsplit(struct cfg80211_registered_device *rdev,
1726 struct sk_buff *msg)
1731 * do *NOT* add anything into this function, new things need to be
1732 * advertised only to new versions of userspace that can deal with
1733 * the split (and they can't possibly care about new features...
1735 CMD(add_virtual_intf, NEW_INTERFACE);
1736 CMD(change_virtual_intf, SET_INTERFACE);
1737 CMD(add_key, NEW_KEY);
1738 CMD(start_ap, START_AP);
1739 CMD(add_station, NEW_STATION);
1740 CMD(add_mpath, NEW_MPATH);
1741 CMD(update_mesh_config, SET_MESH_CONFIG);
1742 CMD(change_bss, SET_BSS);
1743 CMD(auth, AUTHENTICATE);
1744 CMD(assoc, ASSOCIATE);
1745 CMD(deauth, DEAUTHENTICATE);
1746 CMD(disassoc, DISASSOCIATE);
1747 CMD(join_ibss, JOIN_IBSS);
1748 CMD(join_mesh, JOIN_MESH);
1749 CMD(set_pmksa, SET_PMKSA);
1750 CMD(del_pmksa, DEL_PMKSA);
1751 CMD(flush_pmksa, FLUSH_PMKSA);
1752 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)
1753 CMD(remain_on_channel, REMAIN_ON_CHANNEL);
1754 CMD(set_bitrate_mask, SET_TX_BITRATE_MASK);
1755 CMD(mgmt_tx, FRAME);
1756 CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL);
1757 if (rdev->wiphy.flags & WIPHY_FLAG_NETNS_OK) {
1759 if (nla_put_u32(msg, i, NL80211_CMD_SET_WIPHY_NETNS))
1760 goto nla_put_failure;
1762 if (rdev->ops->set_monitor_channel || rdev->ops->start_ap ||
1763 rdev->ops->join_mesh) {
1765 if (nla_put_u32(msg, i, NL80211_CMD_SET_CHANNEL))
1766 goto nla_put_failure;
1768 CMD(set_wds_peer, SET_WDS_PEER);
1769 if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) {
1770 CMD(tdls_mgmt, TDLS_MGMT);
1771 CMD(tdls_oper, TDLS_OPER);
1773 if (rdev->wiphy.max_sched_scan_reqs)
1774 CMD(sched_scan_start, START_SCHED_SCAN);
1775 CMD(probe_client, PROBE_CLIENT);
1776 CMD(set_noack_map, SET_NOACK_MAP);
1777 if (rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) {
1779 if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS))
1780 goto nla_put_failure;
1782 CMD(start_p2p_device, START_P2P_DEVICE);
1783 CMD(set_mcast_rate, SET_MCAST_RATE);
1784 #ifdef CONFIG_NL80211_TESTMODE
1785 CMD(testmode_cmd, TESTMODE);
1788 if (rdev->ops->connect || rdev->ops->auth) {
1790 if (nla_put_u32(msg, i, NL80211_CMD_CONNECT))
1791 goto nla_put_failure;
1794 if (rdev->ops->disconnect || rdev->ops->deauth) {
1796 if (nla_put_u32(msg, i, NL80211_CMD_DISCONNECT))
1797 goto nla_put_failure;
1806 nl80211_send_pmsr_ftm_capa(const struct cfg80211_pmsr_capabilities *cap,
1807 struct sk_buff *msg)
1811 if (!cap->ftm.supported)
1814 ftm = nla_nest_start_noflag(msg, NL80211_PMSR_TYPE_FTM);
1818 if (cap->ftm.asap && nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_ASAP))
1820 if (cap->ftm.non_asap &&
1821 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_NON_ASAP))
1823 if (cap->ftm.request_lci &&
1824 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_REQ_LCI))
1826 if (cap->ftm.request_civicloc &&
1827 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_REQ_CIVICLOC))
1829 if (nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_PREAMBLES,
1830 cap->ftm.preambles))
1832 if (nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_BANDWIDTHS,
1833 cap->ftm.bandwidths))
1835 if (cap->ftm.max_bursts_exponent >= 0 &&
1836 nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_MAX_BURSTS_EXPONENT,
1837 cap->ftm.max_bursts_exponent))
1839 if (cap->ftm.max_ftms_per_burst &&
1840 nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_MAX_FTMS_PER_BURST,
1841 cap->ftm.max_ftms_per_burst))
1844 nla_nest_end(msg, ftm);
1848 static int nl80211_send_pmsr_capa(struct cfg80211_registered_device *rdev,
1849 struct sk_buff *msg)
1851 const struct cfg80211_pmsr_capabilities *cap = rdev->wiphy.pmsr_capa;
1852 struct nlattr *pmsr, *caps;
1858 * we don't need to clean up anything here since the caller
1859 * will genlmsg_cancel() if we fail
1862 pmsr = nla_nest_start_noflag(msg, NL80211_ATTR_PEER_MEASUREMENTS);
1866 if (nla_put_u32(msg, NL80211_PMSR_ATTR_MAX_PEERS, cap->max_peers))
1869 if (cap->report_ap_tsf &&
1870 nla_put_flag(msg, NL80211_PMSR_ATTR_REPORT_AP_TSF))
1873 if (cap->randomize_mac_addr &&
1874 nla_put_flag(msg, NL80211_PMSR_ATTR_RANDOMIZE_MAC_ADDR))
1877 caps = nla_nest_start_noflag(msg, NL80211_PMSR_ATTR_TYPE_CAPA);
1881 if (nl80211_send_pmsr_ftm_capa(cap, msg))
1884 nla_nest_end(msg, caps);
1885 nla_nest_end(msg, pmsr);
1890 struct nl80211_dump_wiphy_state {
1893 long split_start, band_start, chan_start, capa_start;
1897 static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev,
1898 enum nl80211_commands cmd,
1899 struct sk_buff *msg, u32 portid, u32 seq,
1900 int flags, struct nl80211_dump_wiphy_state *state)
1903 struct nlattr *nl_bands, *nl_band;
1904 struct nlattr *nl_freqs, *nl_freq;
1905 struct nlattr *nl_cmds;
1906 enum nl80211_band band;
1907 struct ieee80211_channel *chan;
1909 const struct ieee80211_txrx_stypes *mgmt_stypes =
1910 rdev->wiphy.mgmt_stypes;
1913 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
1917 if (WARN_ON(!state))
1920 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
1921 nla_put_string(msg, NL80211_ATTR_WIPHY_NAME,
1922 wiphy_name(&rdev->wiphy)) ||
1923 nla_put_u32(msg, NL80211_ATTR_GENERATION,
1924 cfg80211_rdev_list_generation))
1925 goto nla_put_failure;
1927 if (cmd != NL80211_CMD_NEW_WIPHY)
1930 switch (state->split_start) {
1932 if (nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT,
1933 rdev->wiphy.retry_short) ||
1934 nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_LONG,
1935 rdev->wiphy.retry_long) ||
1936 nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD,
1937 rdev->wiphy.frag_threshold) ||
1938 nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD,
1939 rdev->wiphy.rts_threshold) ||
1940 nla_put_u8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS,
1941 rdev->wiphy.coverage_class) ||
1942 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS,
1943 rdev->wiphy.max_scan_ssids) ||
1944 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS,
1945 rdev->wiphy.max_sched_scan_ssids) ||
1946 nla_put_u16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN,
1947 rdev->wiphy.max_scan_ie_len) ||
1948 nla_put_u16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN,
1949 rdev->wiphy.max_sched_scan_ie_len) ||
1950 nla_put_u8(msg, NL80211_ATTR_MAX_MATCH_SETS,
1951 rdev->wiphy.max_match_sets) ||
1952 nla_put_u32(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS,
1953 rdev->wiphy.max_sched_scan_plans) ||
1954 nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL,
1955 rdev->wiphy.max_sched_scan_plan_interval) ||
1956 nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS,
1957 rdev->wiphy.max_sched_scan_plan_iterations))
1958 goto nla_put_failure;
1960 if ((rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) &&
1961 nla_put_flag(msg, NL80211_ATTR_SUPPORT_IBSS_RSN))
1962 goto nla_put_failure;
1963 if ((rdev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) &&
1964 nla_put_flag(msg, NL80211_ATTR_SUPPORT_MESH_AUTH))
1965 goto nla_put_failure;
1966 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) &&
1967 nla_put_flag(msg, NL80211_ATTR_SUPPORT_AP_UAPSD))
1968 goto nla_put_failure;
1969 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) &&
1970 nla_put_flag(msg, NL80211_ATTR_ROAM_SUPPORT))
1971 goto nla_put_failure;
1972 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) &&
1973 nla_put_flag(msg, NL80211_ATTR_TDLS_SUPPORT))
1974 goto nla_put_failure;
1975 if ((rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) &&
1976 nla_put_flag(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP))
1977 goto nla_put_failure;
1978 state->split_start++;
1983 if (nla_put(msg, NL80211_ATTR_CIPHER_SUITES,
1984 sizeof(u32) * rdev->wiphy.n_cipher_suites,
1985 rdev->wiphy.cipher_suites))
1986 goto nla_put_failure;
1988 if (nla_put_u8(msg, NL80211_ATTR_MAX_NUM_PMKIDS,
1989 rdev->wiphy.max_num_pmkids))
1990 goto nla_put_failure;
1992 if ((rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
1993 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE))
1994 goto nla_put_failure;
1996 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX,
1997 rdev->wiphy.available_antennas_tx) ||
1998 nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX,
1999 rdev->wiphy.available_antennas_rx))
2000 goto nla_put_failure;
2002 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) &&
2003 nla_put_u32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD,
2004 rdev->wiphy.probe_resp_offload))
2005 goto nla_put_failure;
2007 if ((rdev->wiphy.available_antennas_tx ||
2008 rdev->wiphy.available_antennas_rx) &&
2009 rdev->ops->get_antenna) {
2010 u32 tx_ant = 0, rx_ant = 0;
2013 res = rdev_get_antenna(rdev, &tx_ant, &rx_ant);
2015 if (nla_put_u32(msg,
2016 NL80211_ATTR_WIPHY_ANTENNA_TX,
2019 NL80211_ATTR_WIPHY_ANTENNA_RX,
2021 goto nla_put_failure;
2025 state->split_start++;
2030 if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES,
2031 rdev->wiphy.interface_modes))
2032 goto nla_put_failure;
2033 state->split_start++;
2038 nl_bands = nla_nest_start_noflag(msg,
2039 NL80211_ATTR_WIPHY_BANDS);
2041 goto nla_put_failure;
2043 for (band = state->band_start;
2044 band < NUM_NL80211_BANDS; band++) {
2045 struct ieee80211_supported_band *sband;
2047 sband = rdev->wiphy.bands[band];
2052 nl_band = nla_nest_start_noflag(msg, band);
2054 goto nla_put_failure;
2056 switch (state->chan_start) {
2058 if (nl80211_send_band_rateinfo(msg, sband))
2059 goto nla_put_failure;
2060 state->chan_start++;
2065 /* add frequencies */
2066 nl_freqs = nla_nest_start_noflag(msg,
2067 NL80211_BAND_ATTR_FREQS);
2069 goto nla_put_failure;
2071 for (i = state->chan_start - 1;
2072 i < sband->n_channels;
2074 nl_freq = nla_nest_start_noflag(msg,
2077 goto nla_put_failure;
2079 chan = &sband->channels[i];
2081 if (nl80211_msg_put_channel(
2082 msg, &rdev->wiphy, chan,
2084 goto nla_put_failure;
2086 nla_nest_end(msg, nl_freq);
2090 if (i < sband->n_channels)
2091 state->chan_start = i + 2;
2093 state->chan_start = 0;
2094 nla_nest_end(msg, nl_freqs);
2097 nla_nest_end(msg, nl_band);
2100 /* start again here */
2101 if (state->chan_start)
2106 nla_nest_end(msg, nl_bands);
2108 if (band < NUM_NL80211_BANDS)
2109 state->band_start = band + 1;
2111 state->band_start = 0;
2113 /* if bands & channels are done, continue outside */
2114 if (state->band_start == 0 && state->chan_start == 0)
2115 state->split_start++;
2120 nl_cmds = nla_nest_start_noflag(msg,
2121 NL80211_ATTR_SUPPORTED_COMMANDS);
2123 goto nla_put_failure;
2125 i = nl80211_add_commands_unsplit(rdev, msg);
2127 goto nla_put_failure;
2129 CMD(crit_proto_start, CRIT_PROTOCOL_START);
2130 CMD(crit_proto_stop, CRIT_PROTOCOL_STOP);
2131 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH)
2132 CMD(channel_switch, CHANNEL_SWITCH);
2133 CMD(set_qos_map, SET_QOS_MAP);
2134 if (rdev->wiphy.features &
2135 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION)
2136 CMD(add_tx_ts, ADD_TX_TS);
2137 CMD(set_multicast_to_unicast, SET_MULTICAST_TO_UNICAST);
2138 CMD(update_connect_params, UPDATE_CONNECT_PARAMS);
2139 CMD(update_ft_ies, UPDATE_FT_IES);
2143 nla_nest_end(msg, nl_cmds);
2144 state->split_start++;
2149 if (rdev->ops->remain_on_channel &&
2150 (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) &&
2152 NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION,
2153 rdev->wiphy.max_remain_on_channel_duration))
2154 goto nla_put_failure;
2156 if ((rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) &&
2157 nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK))
2158 goto nla_put_failure;
2160 if (nl80211_send_mgmt_stypes(msg, mgmt_stypes))
2161 goto nla_put_failure;
2162 state->split_start++;
2168 if (nl80211_send_wowlan(msg, rdev, state->split))
2169 goto nla_put_failure;
2170 state->split_start++;
2174 state->split_start++;
2178 if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES,
2179 rdev->wiphy.software_iftypes))
2180 goto nla_put_failure;
2182 if (nl80211_put_iface_combinations(&rdev->wiphy, msg,
2184 goto nla_put_failure;
2186 state->split_start++;
2191 if ((rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) &&
2192 nla_put_u32(msg, NL80211_ATTR_DEVICE_AP_SME,
2193 rdev->wiphy.ap_sme_capa))
2194 goto nla_put_failure;
2196 features = rdev->wiphy.features;
2198 * We can only add the per-channel limit information if the
2199 * dump is split, otherwise it makes it too big. Therefore
2200 * only advertise it in that case.
2203 features |= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS;
2204 if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS, features))
2205 goto nla_put_failure;
2207 if (rdev->wiphy.ht_capa_mod_mask &&
2208 nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK,
2209 sizeof(*rdev->wiphy.ht_capa_mod_mask),
2210 rdev->wiphy.ht_capa_mod_mask))
2211 goto nla_put_failure;
2213 if (rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME &&
2214 rdev->wiphy.max_acl_mac_addrs &&
2215 nla_put_u32(msg, NL80211_ATTR_MAC_ACL_MAX,
2216 rdev->wiphy.max_acl_mac_addrs))
2217 goto nla_put_failure;
2220 * Any information below this point is only available to
2221 * applications that can deal with it being split. This
2222 * helps ensure that newly added capabilities don't break
2223 * older tools by overrunning their buffers.
2225 * We still increment split_start so that in the split
2226 * case we'll continue with more data in the next round,
2227 * but break unconditionally so unsplit data stops here.
2229 state->split_start++;
2232 if (rdev->wiphy.extended_capabilities &&
2233 (nla_put(msg, NL80211_ATTR_EXT_CAPA,
2234 rdev->wiphy.extended_capabilities_len,
2235 rdev->wiphy.extended_capabilities) ||
2236 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
2237 rdev->wiphy.extended_capabilities_len,
2238 rdev->wiphy.extended_capabilities_mask)))
2239 goto nla_put_failure;
2241 if (rdev->wiphy.vht_capa_mod_mask &&
2242 nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK,
2243 sizeof(*rdev->wiphy.vht_capa_mod_mask),
2244 rdev->wiphy.vht_capa_mod_mask))
2245 goto nla_put_failure;
2247 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN,
2248 rdev->wiphy.perm_addr))
2249 goto nla_put_failure;
2251 if (!is_zero_ether_addr(rdev->wiphy.addr_mask) &&
2252 nla_put(msg, NL80211_ATTR_MAC_MASK, ETH_ALEN,
2253 rdev->wiphy.addr_mask))
2254 goto nla_put_failure;
2256 if (rdev->wiphy.n_addresses > 1) {
2259 attr = nla_nest_start(msg, NL80211_ATTR_MAC_ADDRS);
2261 goto nla_put_failure;
2263 for (i = 0; i < rdev->wiphy.n_addresses; i++)
2264 if (nla_put(msg, i + 1, ETH_ALEN,
2265 rdev->wiphy.addresses[i].addr))
2266 goto nla_put_failure;
2268 nla_nest_end(msg, attr);
2271 state->split_start++;
2274 if (nl80211_send_coalesce(msg, rdev))
2275 goto nla_put_failure;
2277 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ) &&
2278 (nla_put_flag(msg, NL80211_ATTR_SUPPORT_5_MHZ) ||
2279 nla_put_flag(msg, NL80211_ATTR_SUPPORT_10_MHZ)))
2280 goto nla_put_failure;
2282 if (rdev->wiphy.max_ap_assoc_sta &&
2283 nla_put_u32(msg, NL80211_ATTR_MAX_AP_ASSOC_STA,
2284 rdev->wiphy.max_ap_assoc_sta))
2285 goto nla_put_failure;
2287 state->split_start++;
2290 if (rdev->wiphy.n_vendor_commands) {
2291 const struct nl80211_vendor_cmd_info *info;
2292 struct nlattr *nested;
2294 nested = nla_nest_start_noflag(msg,
2295 NL80211_ATTR_VENDOR_DATA);
2297 goto nla_put_failure;
2299 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
2300 info = &rdev->wiphy.vendor_commands[i].info;
2301 if (nla_put(msg, i + 1, sizeof(*info), info))
2302 goto nla_put_failure;
2304 nla_nest_end(msg, nested);
2307 if (rdev->wiphy.n_vendor_events) {
2308 const struct nl80211_vendor_cmd_info *info;
2309 struct nlattr *nested;
2311 nested = nla_nest_start_noflag(msg,
2312 NL80211_ATTR_VENDOR_EVENTS);
2314 goto nla_put_failure;
2316 for (i = 0; i < rdev->wiphy.n_vendor_events; i++) {
2317 info = &rdev->wiphy.vendor_events[i];
2318 if (nla_put(msg, i + 1, sizeof(*info), info))
2319 goto nla_put_failure;
2321 nla_nest_end(msg, nested);
2323 state->split_start++;
2326 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH &&
2327 nla_put_u8(msg, NL80211_ATTR_MAX_CSA_COUNTERS,
2328 rdev->wiphy.max_num_csa_counters))
2329 goto nla_put_failure;
2331 if (rdev->wiphy.regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
2332 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
2333 goto nla_put_failure;
2335 if (rdev->wiphy.max_sched_scan_reqs &&
2336 nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_MAX_REQS,
2337 rdev->wiphy.max_sched_scan_reqs))
2338 goto nla_put_failure;
2340 if (nla_put(msg, NL80211_ATTR_EXT_FEATURES,
2341 sizeof(rdev->wiphy.ext_features),
2342 rdev->wiphy.ext_features))
2343 goto nla_put_failure;
2345 if (rdev->wiphy.bss_select_support) {
2346 struct nlattr *nested;
2347 u32 bss_select_support = rdev->wiphy.bss_select_support;
2349 nested = nla_nest_start_noflag(msg,
2350 NL80211_ATTR_BSS_SELECT);
2352 goto nla_put_failure;
2355 while (bss_select_support) {
2356 if ((bss_select_support & 1) &&
2357 nla_put_flag(msg, i))
2358 goto nla_put_failure;
2360 bss_select_support >>= 1;
2362 nla_nest_end(msg, nested);
2365 state->split_start++;
2368 if (rdev->wiphy.num_iftype_ext_capab &&
2369 rdev->wiphy.iftype_ext_capab) {
2370 struct nlattr *nested_ext_capab, *nested;
2372 nested = nla_nest_start_noflag(msg,
2373 NL80211_ATTR_IFTYPE_EXT_CAPA);
2375 goto nla_put_failure;
2377 for (i = state->capa_start;
2378 i < rdev->wiphy.num_iftype_ext_capab; i++) {
2379 const struct wiphy_iftype_ext_capab *capab;
2381 capab = &rdev->wiphy.iftype_ext_capab[i];
2383 nested_ext_capab = nla_nest_start_noflag(msg,
2385 if (!nested_ext_capab ||
2386 nla_put_u32(msg, NL80211_ATTR_IFTYPE,
2388 nla_put(msg, NL80211_ATTR_EXT_CAPA,
2389 capab->extended_capabilities_len,
2390 capab->extended_capabilities) ||
2391 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
2392 capab->extended_capabilities_len,
2393 capab->extended_capabilities_mask))
2394 goto nla_put_failure;
2396 nla_nest_end(msg, nested_ext_capab);
2400 nla_nest_end(msg, nested);
2401 if (i < rdev->wiphy.num_iftype_ext_capab) {
2402 state->capa_start = i + 1;
2407 if (nla_put_u32(msg, NL80211_ATTR_BANDS,
2408 rdev->wiphy.nan_supported_bands))
2409 goto nla_put_failure;
2411 if (wiphy_ext_feature_isset(&rdev->wiphy,
2412 NL80211_EXT_FEATURE_TXQS)) {
2413 struct cfg80211_txq_stats txqstats = {};
2416 res = rdev_get_txq_stats(rdev, NULL, &txqstats);
2418 !nl80211_put_txq_stats(msg, &txqstats,
2419 NL80211_ATTR_TXQ_STATS))
2420 goto nla_put_failure;
2422 if (nla_put_u32(msg, NL80211_ATTR_TXQ_LIMIT,
2423 rdev->wiphy.txq_limit))
2424 goto nla_put_failure;
2425 if (nla_put_u32(msg, NL80211_ATTR_TXQ_MEMORY_LIMIT,
2426 rdev->wiphy.txq_memory_limit))
2427 goto nla_put_failure;
2428 if (nla_put_u32(msg, NL80211_ATTR_TXQ_QUANTUM,
2429 rdev->wiphy.txq_quantum))
2430 goto nla_put_failure;
2433 state->split_start++;
2436 if (nl80211_send_pmsr_capa(rdev, msg))
2437 goto nla_put_failure;
2439 state->split_start++;
2442 if (rdev->wiphy.akm_suites &&
2443 nla_put(msg, NL80211_ATTR_AKM_SUITES,
2444 sizeof(u32) * rdev->wiphy.n_akm_suites,
2445 rdev->wiphy.akm_suites))
2446 goto nla_put_failure;
2449 state->split_start = 0;
2453 genlmsg_end(msg, hdr);
2457 genlmsg_cancel(msg, hdr);
2461 static int nl80211_dump_wiphy_parse(struct sk_buff *skb,
2462 struct netlink_callback *cb,
2463 struct nl80211_dump_wiphy_state *state)
2465 struct nlattr **tb = kcalloc(NUM_NL80211_ATTR, sizeof(*tb), GFP_KERNEL);
2471 ret = nlmsg_parse_deprecated(cb->nlh,
2472 GENL_HDRLEN + nl80211_fam.hdrsize,
2473 tb, nl80211_fam.maxattr,
2474 nl80211_policy, NULL);
2475 /* ignore parse errors for backward compatibility */
2481 state->split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP];
2482 if (tb[NL80211_ATTR_WIPHY])
2483 state->filter_wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
2484 if (tb[NL80211_ATTR_WDEV])
2485 state->filter_wiphy = nla_get_u64(tb[NL80211_ATTR_WDEV]) >> 32;
2486 if (tb[NL80211_ATTR_IFINDEX]) {
2487 struct net_device *netdev;
2488 struct cfg80211_registered_device *rdev;
2489 int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
2491 netdev = __dev_get_by_index(sock_net(skb->sk), ifidx);
2496 if (netdev->ieee80211_ptr) {
2497 rdev = wiphy_to_rdev(
2498 netdev->ieee80211_ptr->wiphy);
2499 state->filter_wiphy = rdev->wiphy_idx;
2509 static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
2512 struct nl80211_dump_wiphy_state *state = (void *)cb->args[0];
2513 struct cfg80211_registered_device *rdev;
2517 state = kzalloc(sizeof(*state), GFP_KERNEL);
2522 state->filter_wiphy = -1;
2523 ret = nl80211_dump_wiphy_parse(skb, cb, state);
2529 cb->args[0] = (long)state;
2532 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
2533 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
2535 if (++idx <= state->start)
2537 if (state->filter_wiphy != -1 &&
2538 state->filter_wiphy != rdev->wiphy_idx)
2540 /* attempt to fit multiple wiphy data chunks into the skb */
2542 ret = nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY,
2544 NETLINK_CB(cb->skb).portid,
2546 NLM_F_MULTI, state);
2549 * If sending the wiphy data didn't fit (ENOBUFS
2550 * or EMSGSIZE returned), this SKB is still
2551 * empty (so it's not too big because another
2552 * wiphy dataset is already in the skb) and
2553 * we've not tried to adjust the dump allocation
2554 * yet ... then adjust the alloc size to be
2555 * bigger, and return 1 but with the empty skb.
2556 * This results in an empty message being RX'ed
2557 * in userspace, but that is ignored.
2559 * We can then retry with the larger buffer.
2561 if ((ret == -ENOBUFS || ret == -EMSGSIZE) &&
2562 !skb->len && !state->split &&
2563 cb->min_dump_alloc < 4096) {
2564 cb->min_dump_alloc = 4096;
2565 state->split_start = 0;
2572 } while (state->split_start > 0);
2582 static int nl80211_dump_wiphy_done(struct netlink_callback *cb)
2584 kfree((void *)cb->args[0]);
2588 static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info)
2590 struct sk_buff *msg;
2591 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2592 struct nl80211_dump_wiphy_state state = {};
2594 msg = nlmsg_new(4096, GFP_KERNEL);
2598 if (nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY, msg,
2599 info->snd_portid, info->snd_seq, 0,
2605 return genlmsg_reply(msg, info);
2608 static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = {
2609 [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 },
2610 [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 },
2611 [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 },
2612 [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 },
2613 [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 },
2616 static int parse_txq_params(struct nlattr *tb[],
2617 struct ieee80211_txq_params *txq_params)
2621 if (!tb[NL80211_TXQ_ATTR_AC] || !tb[NL80211_TXQ_ATTR_TXOP] ||
2622 !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] ||
2623 !tb[NL80211_TXQ_ATTR_AIFS])
2626 ac = nla_get_u8(tb[NL80211_TXQ_ATTR_AC]);
2627 txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]);
2628 txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]);
2629 txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]);
2630 txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]);
2632 if (ac >= NL80211_NUM_ACS)
2634 txq_params->ac = array_index_nospec(ac, NL80211_NUM_ACS);
2638 static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev)
2641 * You can only set the channel explicitly for WDS interfaces,
2642 * all others have their channel managed via their respective
2643 * "establish a connection" command (connect, join, ...)
2645 * For AP/GO and mesh mode, the channel can be set with the
2646 * channel userspace API, but is only stored and passed to the
2647 * low-level driver when the AP starts or the mesh is joined.
2648 * This is for backward compatibility, userspace can also give
2649 * the channel in the start-ap or join-mesh commands instead.
2651 * Monitors are special as they are normally slaved to
2652 * whatever else is going on, so they have their own special
2653 * operation to set the monitor channel if possible.
2656 wdev->iftype == NL80211_IFTYPE_AP ||
2657 wdev->iftype == NL80211_IFTYPE_MESH_POINT ||
2658 wdev->iftype == NL80211_IFTYPE_MONITOR ||
2659 wdev->iftype == NL80211_IFTYPE_P2P_GO;
2662 int nl80211_parse_chandef(struct cfg80211_registered_device *rdev,
2663 struct genl_info *info,
2664 struct cfg80211_chan_def *chandef)
2666 struct netlink_ext_ack *extack = info->extack;
2667 struct nlattr **attrs = info->attrs;
2670 if (!attrs[NL80211_ATTR_WIPHY_FREQ])
2673 control_freq = nla_get_u32(attrs[NL80211_ATTR_WIPHY_FREQ]);
2675 memset(chandef, 0, sizeof(*chandef));
2677 chandef->chan = ieee80211_get_channel(&rdev->wiphy, control_freq);
2678 chandef->width = NL80211_CHAN_WIDTH_20_NOHT;
2679 chandef->center_freq1 = control_freq;
2680 chandef->center_freq2 = 0;
2682 /* Primary channel not allowed */
2683 if (!chandef->chan || chandef->chan->flags & IEEE80211_CHAN_DISABLED) {
2684 NL_SET_ERR_MSG_ATTR(extack, attrs[NL80211_ATTR_WIPHY_FREQ],
2685 "Channel is disabled");
2689 if (attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
2690 enum nl80211_channel_type chantype;
2692 chantype = nla_get_u32(attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
2695 case NL80211_CHAN_NO_HT:
2696 case NL80211_CHAN_HT20:
2697 case NL80211_CHAN_HT40PLUS:
2698 case NL80211_CHAN_HT40MINUS:
2699 cfg80211_chandef_create(chandef, chandef->chan,
2701 /* user input for center_freq is incorrect */
2702 if (attrs[NL80211_ATTR_CENTER_FREQ1] &&
2703 chandef->center_freq1 != nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ1])) {
2704 NL_SET_ERR_MSG_ATTR(extack,
2705 attrs[NL80211_ATTR_CENTER_FREQ1],
2706 "bad center frequency 1");
2709 /* center_freq2 must be zero */
2710 if (attrs[NL80211_ATTR_CENTER_FREQ2] &&
2711 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ2])) {
2712 NL_SET_ERR_MSG_ATTR(extack,
2713 attrs[NL80211_ATTR_CENTER_FREQ2],
2714 "center frequency 2 can't be used");
2719 NL_SET_ERR_MSG_ATTR(extack,
2720 attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE],
2721 "invalid channel type");
2724 } else if (attrs[NL80211_ATTR_CHANNEL_WIDTH]) {
2726 nla_get_u32(attrs[NL80211_ATTR_CHANNEL_WIDTH]);
2727 if (attrs[NL80211_ATTR_CENTER_FREQ1])
2728 chandef->center_freq1 =
2729 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ1]);
2730 if (attrs[NL80211_ATTR_CENTER_FREQ2])
2731 chandef->center_freq2 =
2732 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ2]);
2735 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]) {
2736 chandef->edmg.channels =
2737 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]);
2739 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG])
2740 chandef->edmg.bw_config =
2741 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG]);
2743 chandef->edmg.bw_config = 0;
2744 chandef->edmg.channels = 0;
2747 if (!cfg80211_chandef_valid(chandef)) {
2748 NL_SET_ERR_MSG(extack, "invalid channel definition");
2752 if (!cfg80211_chandef_usable(&rdev->wiphy, chandef,
2753 IEEE80211_CHAN_DISABLED)) {
2754 NL_SET_ERR_MSG(extack, "(extension) channel is disabled");
2758 if ((chandef->width == NL80211_CHAN_WIDTH_5 ||
2759 chandef->width == NL80211_CHAN_WIDTH_10) &&
2760 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ)) {
2761 NL_SET_ERR_MSG(extack, "5/10 MHz not supported");
2768 static int __nl80211_set_channel(struct cfg80211_registered_device *rdev,
2769 struct net_device *dev,
2770 struct genl_info *info)
2772 struct cfg80211_chan_def chandef;
2774 enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR;
2775 struct wireless_dev *wdev = NULL;
2778 wdev = dev->ieee80211_ptr;
2779 if (!nl80211_can_set_dev_channel(wdev))
2782 iftype = wdev->iftype;
2784 result = nl80211_parse_chandef(rdev, info, &chandef);
2789 case NL80211_IFTYPE_AP:
2790 case NL80211_IFTYPE_P2P_GO:
2791 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
2796 if (wdev->beacon_interval) {
2797 if (!dev || !rdev->ops->set_ap_chanwidth ||
2798 !(rdev->wiphy.features &
2799 NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE)) {
2804 /* Only allow dynamic channel width changes */
2805 if (chandef.chan != wdev->preset_chandef.chan) {
2809 result = rdev_set_ap_chanwidth(rdev, dev, &chandef);
2813 wdev->preset_chandef = chandef;
2816 case NL80211_IFTYPE_MESH_POINT:
2817 result = cfg80211_set_mesh_channel(rdev, wdev, &chandef);
2819 case NL80211_IFTYPE_MONITOR:
2820 result = cfg80211_set_monitor_channel(rdev, &chandef);
2829 static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info)
2831 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2832 struct net_device *netdev = info->user_ptr[1];
2834 return __nl80211_set_channel(rdev, netdev, info);
2837 static int nl80211_set_wds_peer(struct sk_buff *skb, struct genl_info *info)
2839 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2840 struct net_device *dev = info->user_ptr[1];
2841 struct wireless_dev *wdev = dev->ieee80211_ptr;
2844 if (!info->attrs[NL80211_ATTR_MAC])
2847 if (netif_running(dev))
2850 if (!rdev->ops->set_wds_peer)
2853 if (wdev->iftype != NL80211_IFTYPE_WDS)
2856 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
2857 return rdev_set_wds_peer(rdev, dev, bssid);
2860 static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
2862 struct cfg80211_registered_device *rdev;
2863 struct net_device *netdev = NULL;
2864 struct wireless_dev *wdev;
2865 int result = 0, rem_txq_params = 0;
2866 struct nlattr *nl_txq_params;
2868 u8 retry_short = 0, retry_long = 0;
2869 u32 frag_threshold = 0, rts_threshold = 0;
2870 u8 coverage_class = 0;
2871 u32 txq_limit = 0, txq_memory_limit = 0, txq_quantum = 0;
2876 * Try to find the wiphy and netdev. Normally this
2877 * function shouldn't need the netdev, but this is
2878 * done for backward compatibility -- previously
2879 * setting the channel was done per wiphy, but now
2880 * it is per netdev. Previous userland like hostapd
2881 * also passed a netdev to set_wiphy, so that it is
2882 * possible to let that go to the right netdev!
2885 if (info->attrs[NL80211_ATTR_IFINDEX]) {
2886 int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]);
2888 netdev = __dev_get_by_index(genl_info_net(info), ifindex);
2889 if (netdev && netdev->ieee80211_ptr)
2890 rdev = wiphy_to_rdev(netdev->ieee80211_ptr->wiphy);
2896 rdev = __cfg80211_rdev_from_attrs(genl_info_net(info),
2899 return PTR_ERR(rdev);
2904 wdev = netdev->ieee80211_ptr;
2907 * end workaround code, by now the rdev is available
2908 * and locked, and wdev may or may not be NULL.
2911 if (info->attrs[NL80211_ATTR_WIPHY_NAME])
2912 result = cfg80211_dev_rename(
2913 rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME]));
2918 if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) {
2919 struct ieee80211_txq_params txq_params;
2920 struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1];
2922 if (!rdev->ops->set_txq_params)
2928 if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
2929 netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
2932 if (!netif_running(netdev))
2935 nla_for_each_nested(nl_txq_params,
2936 info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS],
2938 result = nla_parse_nested_deprecated(tb,
2939 NL80211_TXQ_ATTR_MAX,
2945 result = parse_txq_params(tb, &txq_params);
2949 result = rdev_set_txq_params(rdev, netdev,
2956 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
2957 result = __nl80211_set_channel(
2959 nl80211_can_set_dev_channel(wdev) ? netdev : NULL,
2965 if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) {
2966 struct wireless_dev *txp_wdev = wdev;
2967 enum nl80211_tx_power_setting type;
2970 if (!(rdev->wiphy.features & NL80211_FEATURE_VIF_TXPOWER))
2973 if (!rdev->ops->set_tx_power)
2976 idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING;
2977 type = nla_get_u32(info->attrs[idx]);
2979 if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] &&
2980 (type != NL80211_TX_POWER_AUTOMATIC))
2983 if (type != NL80211_TX_POWER_AUTOMATIC) {
2984 idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL;
2985 mbm = nla_get_u32(info->attrs[idx]);
2988 result = rdev_set_tx_power(rdev, txp_wdev, type, mbm);
2993 if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] &&
2994 info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) {
2997 if ((!rdev->wiphy.available_antennas_tx &&
2998 !rdev->wiphy.available_antennas_rx) ||
2999 !rdev->ops->set_antenna)
3002 tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]);
3003 rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]);
3005 /* reject antenna configurations which don't match the
3006 * available antenna masks, except for the "all" mask */
3007 if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) ||
3008 (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx)))
3011 tx_ant = tx_ant & rdev->wiphy.available_antennas_tx;
3012 rx_ant = rx_ant & rdev->wiphy.available_antennas_rx;
3014 result = rdev_set_antenna(rdev, tx_ant, rx_ant);
3021 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) {
3022 retry_short = nla_get_u8(
3023 info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]);
3025 changed |= WIPHY_PARAM_RETRY_SHORT;
3028 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) {
3029 retry_long = nla_get_u8(
3030 info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]);
3032 changed |= WIPHY_PARAM_RETRY_LONG;
3035 if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) {
3036 frag_threshold = nla_get_u32(
3037 info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]);
3038 if (frag_threshold < 256)
3041 if (frag_threshold != (u32) -1) {
3043 * Fragments (apart from the last one) are required to
3044 * have even length. Make the fragmentation code
3045 * simpler by stripping LSB should someone try to use
3046 * odd threshold value.
3048 frag_threshold &= ~0x1;
3050 changed |= WIPHY_PARAM_FRAG_THRESHOLD;
3053 if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) {
3054 rts_threshold = nla_get_u32(
3055 info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]);
3056 changed |= WIPHY_PARAM_RTS_THRESHOLD;
3059 if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) {
3060 if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK])
3063 coverage_class = nla_get_u8(
3064 info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]);
3065 changed |= WIPHY_PARAM_COVERAGE_CLASS;
3068 if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) {
3069 if (!(rdev->wiphy.features & NL80211_FEATURE_ACKTO_ESTIMATION))
3072 changed |= WIPHY_PARAM_DYN_ACK;
3075 if (info->attrs[NL80211_ATTR_TXQ_LIMIT]) {
3076 if (!wiphy_ext_feature_isset(&rdev->wiphy,
3077 NL80211_EXT_FEATURE_TXQS))
3079 txq_limit = nla_get_u32(
3080 info->attrs[NL80211_ATTR_TXQ_LIMIT]);
3081 changed |= WIPHY_PARAM_TXQ_LIMIT;
3084 if (info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]) {
3085 if (!wiphy_ext_feature_isset(&rdev->wiphy,
3086 NL80211_EXT_FEATURE_TXQS))
3088 txq_memory_limit = nla_get_u32(
3089 info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]);
3090 changed |= WIPHY_PARAM_TXQ_MEMORY_LIMIT;
3093 if (info->attrs[NL80211_ATTR_TXQ_QUANTUM]) {
3094 if (!wiphy_ext_feature_isset(&rdev->wiphy,
3095 NL80211_EXT_FEATURE_TXQS))
3097 txq_quantum = nla_get_u32(
3098 info->attrs[NL80211_ATTR_TXQ_QUANTUM]);
3099 changed |= WIPHY_PARAM_TXQ_QUANTUM;
3103 u8 old_retry_short, old_retry_long;
3104 u32 old_frag_threshold, old_rts_threshold;
3105 u8 old_coverage_class;
3106 u32 old_txq_limit, old_txq_memory_limit, old_txq_quantum;
3108 if (!rdev->ops->set_wiphy_params)
3111 old_retry_short = rdev->wiphy.retry_short;
3112 old_retry_long = rdev->wiphy.retry_long;
3113 old_frag_threshold = rdev->wiphy.frag_threshold;
3114 old_rts_threshold = rdev->wiphy.rts_threshold;
3115 old_coverage_class = rdev->wiphy.coverage_class;
3116 old_txq_limit = rdev->wiphy.txq_limit;
3117 old_txq_memory_limit = rdev->wiphy.txq_memory_limit;
3118 old_txq_quantum = rdev->wiphy.txq_quantum;
3120 if (changed & WIPHY_PARAM_RETRY_SHORT)
3121 rdev->wiphy.retry_short = retry_short;
3122 if (changed & WIPHY_PARAM_RETRY_LONG)
3123 rdev->wiphy.retry_long = retry_long;
3124 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
3125 rdev->wiphy.frag_threshold = frag_threshold;
3126 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
3127 rdev->wiphy.rts_threshold = rts_threshold;
3128 if (changed & WIPHY_PARAM_COVERAGE_CLASS)
3129 rdev->wiphy.coverage_class = coverage_class;
3130 if (changed & WIPHY_PARAM_TXQ_LIMIT)
3131 rdev->wiphy.txq_limit = txq_limit;
3132 if (changed & WIPHY_PARAM_TXQ_MEMORY_LIMIT)
3133 rdev->wiphy.txq_memory_limit = txq_memory_limit;
3134 if (changed & WIPHY_PARAM_TXQ_QUANTUM)
3135 rdev->wiphy.txq_quantum = txq_quantum;
3137 result = rdev_set_wiphy_params(rdev, changed);
3139 rdev->wiphy.retry_short = old_retry_short;
3140 rdev->wiphy.retry_long = old_retry_long;
3141 rdev->wiphy.frag_threshold = old_frag_threshold;
3142 rdev->wiphy.rts_threshold = old_rts_threshold;
3143 rdev->wiphy.coverage_class = old_coverage_class;
3144 rdev->wiphy.txq_limit = old_txq_limit;
3145 rdev->wiphy.txq_memory_limit = old_txq_memory_limit;
3146 rdev->wiphy.txq_quantum = old_txq_quantum;
3153 static int nl80211_send_chandef(struct sk_buff *msg,
3154 const struct cfg80211_chan_def *chandef)
3156 if (WARN_ON(!cfg80211_chandef_valid(chandef)))
3159 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
3160 chandef->chan->center_freq))
3162 switch (chandef->width) {
3163 case NL80211_CHAN_WIDTH_20_NOHT:
3164 case NL80211_CHAN_WIDTH_20:
3165 case NL80211_CHAN_WIDTH_40:
3166 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
3167 cfg80211_get_chandef_type(chandef)))
3173 if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, chandef->width))
3175 if (nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, chandef->center_freq1))
3177 if (chandef->center_freq2 &&
3178 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, chandef->center_freq2))
3183 static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags,
3184 struct cfg80211_registered_device *rdev,
3185 struct wireless_dev *wdev,
3186 enum nl80211_commands cmd)
3188 struct net_device *dev = wdev->netdev;
3191 WARN_ON(cmd != NL80211_CMD_NEW_INTERFACE &&
3192 cmd != NL80211_CMD_DEL_INTERFACE &&
3193 cmd != NL80211_CMD_SET_INTERFACE);
3195 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
3200 (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
3201 nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name)))
3202 goto nla_put_failure;
3204 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
3205 nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) ||
3206 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
3207 NL80211_ATTR_PAD) ||
3208 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) ||
3209 nla_put_u32(msg, NL80211_ATTR_GENERATION,
3210 rdev->devlist_generation ^
3211 (cfg80211_rdev_list_generation << 2)) ||
3212 nla_put_u8(msg, NL80211_ATTR_4ADDR, wdev->use_4addr))
3213 goto nla_put_failure;
3215 if (rdev->ops->get_channel) {
3217 struct cfg80211_chan_def chandef = {};
3219 ret = rdev_get_channel(rdev, wdev, &chandef);
3221 if (nl80211_send_chandef(msg, &chandef))
3222 goto nla_put_failure;
3226 if (rdev->ops->get_tx_power) {
3229 ret = rdev_get_tx_power(rdev, wdev, &dbm);
3231 nla_put_u32(msg, NL80211_ATTR_WIPHY_TX_POWER_LEVEL,
3233 goto nla_put_failure;
3237 switch (wdev->iftype) {
3238 case NL80211_IFTYPE_AP:
3239 if (wdev->ssid_len &&
3240 nla_put(msg, NL80211_ATTR_SSID, wdev->ssid_len, wdev->ssid))
3241 goto nla_put_failure_locked;
3243 case NL80211_IFTYPE_STATION:
3244 case NL80211_IFTYPE_P2P_CLIENT:
3245 case NL80211_IFTYPE_ADHOC: {
3247 if (!wdev->current_bss)
3250 ssid_ie = ieee80211_bss_get_ie(&wdev->current_bss->pub,
3253 nla_put(msg, NL80211_ATTR_SSID, ssid_ie[1], ssid_ie + 2))
3254 goto nla_put_failure_rcu_locked;
3264 if (rdev->ops->get_txq_stats) {
3265 struct cfg80211_txq_stats txqstats = {};
3266 int ret = rdev_get_txq_stats(rdev, wdev, &txqstats);
3269 !nl80211_put_txq_stats(msg, &txqstats,
3270 NL80211_ATTR_TXQ_STATS))
3271 goto nla_put_failure;
3274 genlmsg_end(msg, hdr);
3277 nla_put_failure_rcu_locked:
3279 nla_put_failure_locked:
3282 genlmsg_cancel(msg, hdr);
3286 static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb)
3290 int wp_start = cb->args[0];
3291 int if_start = cb->args[1];
3292 int filter_wiphy = -1;
3293 struct cfg80211_registered_device *rdev;
3294 struct wireless_dev *wdev;
3299 struct nl80211_dump_wiphy_state state = {
3303 ret = nl80211_dump_wiphy_parse(skb, cb, &state);
3307 filter_wiphy = state.filter_wiphy;
3310 * if filtering, set cb->args[2] to +1 since 0 is the default
3311 * value needed to determine that parsing is necessary.
3313 if (filter_wiphy >= 0)
3314 cb->args[2] = filter_wiphy + 1;
3317 } else if (cb->args[2] > 0) {
3318 filter_wiphy = cb->args[2] - 1;
3321 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
3322 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
3324 if (wp_idx < wp_start) {
3329 if (filter_wiphy >= 0 && filter_wiphy != rdev->wiphy_idx)
3334 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
3335 if (if_idx < if_start) {
3339 if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid,
3340 cb->nlh->nlmsg_seq, NLM_F_MULTI,
3342 NL80211_CMD_NEW_INTERFACE) < 0) {
3351 cb->args[0] = wp_idx;
3352 cb->args[1] = if_idx;
3361 static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info)
3363 struct sk_buff *msg;
3364 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3365 struct wireless_dev *wdev = info->user_ptr[1];
3367 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
3371 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
3372 rdev, wdev, NL80211_CMD_NEW_INTERFACE) < 0) {
3377 return genlmsg_reply(msg, info);
3380 static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = {
3381 [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG },
3382 [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG },
3383 [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG },
3384 [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG },
3385 [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG },
3386 [NL80211_MNTR_FLAG_ACTIVE] = { .type = NLA_FLAG },
3389 static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags)
3391 struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1];
3399 if (nla_parse_nested_deprecated(flags, NL80211_MNTR_FLAG_MAX, nla, mntr_flags_policy, NULL))
3402 for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++)
3404 *mntrflags |= (1<<flag);
3406 *mntrflags |= MONITOR_FLAG_CHANGED;
3411 static int nl80211_parse_mon_options(struct cfg80211_registered_device *rdev,
3412 enum nl80211_iftype type,
3413 struct genl_info *info,
3414 struct vif_params *params)
3416 bool change = false;
3419 if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) {
3420 if (type != NL80211_IFTYPE_MONITOR)
3423 err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS],
3431 if (params->flags & MONITOR_FLAG_ACTIVE &&
3432 !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR))
3435 if (info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]) {
3436 const u8 *mumimo_groups;
3437 u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER;
3439 if (type != NL80211_IFTYPE_MONITOR)
3442 if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag))
3446 nla_data(info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]);
3448 /* bits 0 and 63 are reserved and must be zero */
3449 if ((mumimo_groups[0] & BIT(0)) ||
3450 (mumimo_groups[VHT_MUMIMO_GROUPS_DATA_LEN - 1] & BIT(7)))
3453 params->vht_mumimo_groups = mumimo_groups;
3457 if (info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]) {
3458 u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER;
3460 if (type != NL80211_IFTYPE_MONITOR)
3463 if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag))
3466 params->vht_mumimo_follow_addr =
3467 nla_data(info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]);
3471 return change ? 1 : 0;
3474 static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev,
3475 struct net_device *netdev, u8 use_4addr,
3476 enum nl80211_iftype iftype)
3479 if (netdev && (netdev->priv_flags & IFF_BRIDGE_PORT))
3485 case NL80211_IFTYPE_AP_VLAN:
3486 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP)
3489 case NL80211_IFTYPE_STATION:
3490 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION)
3500 static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
3502 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3503 struct vif_params params;
3505 enum nl80211_iftype otype, ntype;
3506 struct net_device *dev = info->user_ptr[1];
3507 bool change = false;
3509 memset(¶ms, 0, sizeof(params));
3511 otype = ntype = dev->ieee80211_ptr->iftype;
3513 if (info->attrs[NL80211_ATTR_IFTYPE]) {
3514 ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
3519 if (info->attrs[NL80211_ATTR_MESH_ID]) {
3520 struct wireless_dev *wdev = dev->ieee80211_ptr;
3522 if (ntype != NL80211_IFTYPE_MESH_POINT)
3524 if (netif_running(dev))
3528 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
3529 IEEE80211_MAX_MESH_ID_LEN);
3530 wdev->mesh_id_up_len =
3531 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
3532 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
3533 wdev->mesh_id_up_len);
3537 if (info->attrs[NL80211_ATTR_4ADDR]) {
3538 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
3540 err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype);
3544 params.use_4addr = -1;
3547 err = nl80211_parse_mon_options(rdev, ntype, info, ¶ms);
3554 err = cfg80211_change_iface(rdev, dev, ntype, ¶ms);
3558 if (!err && params.use_4addr != -1)
3559 dev->ieee80211_ptr->use_4addr = params.use_4addr;
3561 if (change && !err) {
3562 struct wireless_dev *wdev = dev->ieee80211_ptr;
3564 nl80211_notify_iface(rdev, wdev, NL80211_CMD_SET_INTERFACE);
3570 static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
3572 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3573 struct vif_params params;
3574 struct wireless_dev *wdev;
3575 struct sk_buff *msg;
3577 enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED;
3579 /* to avoid failing a new interface creation due to pending removal */
3580 cfg80211_destroy_ifaces(rdev);
3582 memset(¶ms, 0, sizeof(params));
3584 if (!info->attrs[NL80211_ATTR_IFNAME])
3587 if (info->attrs[NL80211_ATTR_IFTYPE])
3588 type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
3590 if (!rdev->ops->add_virtual_intf)
3593 if ((type == NL80211_IFTYPE_P2P_DEVICE || type == NL80211_IFTYPE_NAN ||
3594 rdev->wiphy.features & NL80211_FEATURE_MAC_ON_CREATE) &&
3595 info->attrs[NL80211_ATTR_MAC]) {
3596 nla_memcpy(params.macaddr, info->attrs[NL80211_ATTR_MAC],
3598 if (!is_valid_ether_addr(params.macaddr))
3599 return -EADDRNOTAVAIL;
3602 if (info->attrs[NL80211_ATTR_4ADDR]) {
3603 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
3604 err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type);
3609 if (!cfg80211_iftype_allowed(&rdev->wiphy, type, params.use_4addr, 0))
3612 err = nl80211_parse_mon_options(rdev, type, info, ¶ms);
3616 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
3620 wdev = rdev_add_virtual_intf(rdev,
3621 nla_data(info->attrs[NL80211_ATTR_IFNAME]),
3622 NET_NAME_USER, type, ¶ms);
3623 if (WARN_ON(!wdev)) {
3626 } else if (IS_ERR(wdev)) {
3628 return PTR_ERR(wdev);
3631 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
3632 wdev->owner_nlportid = info->snd_portid;
3635 case NL80211_IFTYPE_MESH_POINT:
3636 if (!info->attrs[NL80211_ATTR_MESH_ID])
3639 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
3640 IEEE80211_MAX_MESH_ID_LEN);
3641 wdev->mesh_id_up_len =
3642 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
3643 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
3644 wdev->mesh_id_up_len);
3647 case NL80211_IFTYPE_NAN:
3648 case NL80211_IFTYPE_P2P_DEVICE:
3650 * P2P Device and NAN do not have a netdev, so don't go
3651 * through the netdev notifier and must be added here
3653 cfg80211_init_wdev(rdev, wdev);
3659 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
3660 rdev, wdev, NL80211_CMD_NEW_INTERFACE) < 0) {
3665 return genlmsg_reply(msg, info);
3668 static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info)
3670 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3671 struct wireless_dev *wdev = info->user_ptr[1];
3673 if (!rdev->ops->del_virtual_intf)
3677 * If we remove a wireless device without a netdev then clear
3678 * user_ptr[1] so that nl80211_post_doit won't dereference it
3679 * to check if it needs to do dev_put(). Otherwise it crashes
3680 * since the wdev has been freed, unlike with a netdev where
3681 * we need the dev_put() for the netdev to really be freed.
3684 info->user_ptr[1] = NULL;
3686 return rdev_del_virtual_intf(rdev, wdev);
3689 static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info)
3691 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3692 struct net_device *dev = info->user_ptr[1];
3695 if (!info->attrs[NL80211_ATTR_NOACK_MAP])
3698 if (!rdev->ops->set_noack_map)
3701 noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]);
3703 return rdev_set_noack_map(rdev, dev, noack_map);
3706 struct get_key_cookie {
3707 struct sk_buff *msg;
3712 static void get_key_callback(void *c, struct key_params *params)
3715 struct get_key_cookie *cookie = c;
3718 nla_put(cookie->msg, NL80211_ATTR_KEY_DATA,
3719 params->key_len, params->key)) ||
3721 nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ,
3722 params->seq_len, params->seq)) ||
3724 nla_put_u32(cookie->msg, NL80211_ATTR_KEY_CIPHER,
3726 goto nla_put_failure;
3728 key = nla_nest_start_noflag(cookie->msg, NL80211_ATTR_KEY);
3730 goto nla_put_failure;
3733 nla_put(cookie->msg, NL80211_KEY_DATA,
3734 params->key_len, params->key)) ||
3736 nla_put(cookie->msg, NL80211_KEY_SEQ,
3737 params->seq_len, params->seq)) ||
3739 nla_put_u32(cookie->msg, NL80211_KEY_CIPHER,
3741 goto nla_put_failure;
3743 if (nla_put_u8(cookie->msg, NL80211_KEY_IDX, cookie->idx))
3744 goto nla_put_failure;
3746 nla_nest_end(cookie->msg, key);
3753 static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info)
3755 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3757 struct net_device *dev = info->user_ptr[1];
3759 const u8 *mac_addr = NULL;
3761 struct get_key_cookie cookie = {
3765 struct sk_buff *msg;
3767 if (info->attrs[NL80211_ATTR_KEY_IDX])
3768 key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
3770 if (info->attrs[NL80211_ATTR_MAC])
3771 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3773 pairwise = !!mac_addr;
3774 if (info->attrs[NL80211_ATTR_KEY_TYPE]) {
3775 u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
3777 if (kt != NL80211_KEYTYPE_GROUP &&
3778 kt != NL80211_KEYTYPE_PAIRWISE)
3780 pairwise = kt == NL80211_KEYTYPE_PAIRWISE;
3783 if (!rdev->ops->get_key)
3786 if (!pairwise && mac_addr && !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
3789 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
3793 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
3794 NL80211_CMD_NEW_KEY);
3796 goto nla_put_failure;
3799 cookie.idx = key_idx;
3801 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
3802 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx))
3803 goto nla_put_failure;
3805 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr))
3806 goto nla_put_failure;
3808 err = rdev_get_key(rdev, dev, key_idx, pairwise, mac_addr, &cookie,
3815 goto nla_put_failure;
3817 genlmsg_end(msg, hdr);
3818 return genlmsg_reply(msg, info);
3827 static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info)
3829 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3830 struct key_parse key;
3832 struct net_device *dev = info->user_ptr[1];
3834 err = nl80211_parse_key(info, &key);
3841 /* Only support setting default key and
3842 * Extended Key ID action NL80211_KEY_SET_TX.
3844 if (!key.def && !key.defmgmt &&
3845 !(key.p.mode == NL80211_KEY_SET_TX))
3848 wdev_lock(dev->ieee80211_ptr);
3851 if (!rdev->ops->set_default_key) {
3856 err = nl80211_key_allowed(dev->ieee80211_ptr);
3860 err = rdev_set_default_key(rdev, dev, key.idx,
3861 key.def_uni, key.def_multi);
3866 #ifdef CONFIG_CFG80211_WEXT
3867 dev->ieee80211_ptr->wext.default_key = key.idx;
3869 } else if (key.defmgmt) {
3870 if (key.def_uni || !key.def_multi) {
3875 if (!rdev->ops->set_default_mgmt_key) {
3880 err = nl80211_key_allowed(dev->ieee80211_ptr);
3884 err = rdev_set_default_mgmt_key(rdev, dev, key.idx);
3888 #ifdef CONFIG_CFG80211_WEXT
3889 dev->ieee80211_ptr->wext.default_mgmt_key = key.idx;
3891 } else if (key.p.mode == NL80211_KEY_SET_TX &&
3892 wiphy_ext_feature_isset(&rdev->wiphy,
3893 NL80211_EXT_FEATURE_EXT_KEY_ID)) {
3894 u8 *mac_addr = NULL;
3896 if (info->attrs[NL80211_ATTR_MAC])
3897 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3899 if (!mac_addr || key.idx < 0 || key.idx > 1) {
3904 err = rdev_add_key(rdev, dev, key.idx,
3905 NL80211_KEYTYPE_PAIRWISE,
3911 wdev_unlock(dev->ieee80211_ptr);
3916 static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info)
3918 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3920 struct net_device *dev = info->user_ptr[1];
3921 struct key_parse key;
3922 const u8 *mac_addr = NULL;
3924 err = nl80211_parse_key(info, &key);
3931 if (info->attrs[NL80211_ATTR_MAC])
3932 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3934 if (key.type == -1) {
3936 key.type = NL80211_KEYTYPE_PAIRWISE;
3938 key.type = NL80211_KEYTYPE_GROUP;
3942 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
3943 key.type != NL80211_KEYTYPE_GROUP)
3946 if (key.type == NL80211_KEYTYPE_GROUP &&
3947 info->attrs[NL80211_ATTR_VLAN_ID])
3948 key.p.vlan_id = nla_get_u16(info->attrs[NL80211_ATTR_VLAN_ID]);
3950 if (!rdev->ops->add_key)
3953 if (cfg80211_validate_key_settings(rdev, &key.p, key.idx,
3954 key.type == NL80211_KEYTYPE_PAIRWISE,
3958 wdev_lock(dev->ieee80211_ptr);
3959 err = nl80211_key_allowed(dev->ieee80211_ptr);
3961 err = rdev_add_key(rdev, dev, key.idx,
3962 key.type == NL80211_KEYTYPE_PAIRWISE,
3964 wdev_unlock(dev->ieee80211_ptr);
3969 static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
3971 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3973 struct net_device *dev = info->user_ptr[1];
3974 u8 *mac_addr = NULL;
3975 struct key_parse key;
3977 err = nl80211_parse_key(info, &key);
3981 if (info->attrs[NL80211_ATTR_MAC])
3982 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3984 if (key.type == -1) {
3986 key.type = NL80211_KEYTYPE_PAIRWISE;
3988 key.type = NL80211_KEYTYPE_GROUP;
3992 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
3993 key.type != NL80211_KEYTYPE_GROUP)
3996 if (!rdev->ops->del_key)
3999 wdev_lock(dev->ieee80211_ptr);
4000 err = nl80211_key_allowed(dev->ieee80211_ptr);
4002 if (key.type == NL80211_KEYTYPE_GROUP && mac_addr &&
4003 !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
4007 err = rdev_del_key(rdev, dev, key.idx,
4008 key.type == NL80211_KEYTYPE_PAIRWISE,
4011 #ifdef CONFIG_CFG80211_WEXT
4013 if (key.idx == dev->ieee80211_ptr->wext.default_key)
4014 dev->ieee80211_ptr->wext.default_key = -1;
4015 else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key)
4016 dev->ieee80211_ptr->wext.default_mgmt_key = -1;
4019 wdev_unlock(dev->ieee80211_ptr);
4024 /* This function returns an error or the number of nested attributes */
4025 static int validate_acl_mac_addrs(struct nlattr *nl_attr)
4027 struct nlattr *attr;
4028 int n_entries = 0, tmp;
4030 nla_for_each_nested(attr, nl_attr, tmp) {
4031 if (nla_len(attr) != ETH_ALEN)
4041 * This function parses ACL information and allocates memory for ACL data.
4042 * On successful return, the calling function is responsible to free the
4043 * ACL buffer returned by this function.
4045 static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy,
4046 struct genl_info *info)
4048 enum nl80211_acl_policy acl_policy;
4049 struct nlattr *attr;
4050 struct cfg80211_acl_data *acl;
4051 int i = 0, n_entries, tmp;
4053 if (!wiphy->max_acl_mac_addrs)
4054 return ERR_PTR(-EOPNOTSUPP);
4056 if (!info->attrs[NL80211_ATTR_ACL_POLICY])
4057 return ERR_PTR(-EINVAL);
4059 acl_policy = nla_get_u32(info->attrs[NL80211_ATTR_ACL_POLICY]);
4060 if (acl_policy != NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED &&
4061 acl_policy != NL80211_ACL_POLICY_DENY_UNLESS_LISTED)
4062 return ERR_PTR(-EINVAL);
4064 if (!info->attrs[NL80211_ATTR_MAC_ADDRS])
4065 return ERR_PTR(-EINVAL);
4067 n_entries = validate_acl_mac_addrs(info->attrs[NL80211_ATTR_MAC_ADDRS]);
4069 return ERR_PTR(n_entries);
4071 if (n_entries > wiphy->max_acl_mac_addrs)
4072 return ERR_PTR(-ENOTSUPP);
4074 acl = kzalloc(struct_size(acl, mac_addrs, n_entries), GFP_KERNEL);
4076 return ERR_PTR(-ENOMEM);
4078 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_MAC_ADDRS], tmp) {
4079 memcpy(acl->mac_addrs[i].addr, nla_data(attr), ETH_ALEN);
4083 acl->n_acl_entries = n_entries;
4084 acl->acl_policy = acl_policy;
4089 static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info)
4091 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4092 struct net_device *dev = info->user_ptr[1];
4093 struct cfg80211_acl_data *acl;
4096 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4097 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4100 if (!dev->ieee80211_ptr->beacon_interval)
4103 acl = parse_acl_data(&rdev->wiphy, info);
4105 return PTR_ERR(acl);
4107 err = rdev_set_mac_acl(rdev, dev, acl);
4114 static u32 rateset_to_mask(struct ieee80211_supported_band *sband,
4115 u8 *rates, u8 rates_len)
4120 for (i = 0; i < rates_len; i++) {
4121 int rate = (rates[i] & 0x7f) * 5;
4124 for (ridx = 0; ridx < sband->n_bitrates; ridx++) {
4125 struct ieee80211_rate *srate =
4126 &sband->bitrates[ridx];
4127 if (rate == srate->bitrate) {
4132 if (ridx == sband->n_bitrates)
4133 return 0; /* rate not found */
4139 static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband,
4140 u8 *rates, u8 rates_len,
4141 u8 mcs[IEEE80211_HT_MCS_MASK_LEN])
4145 memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN);
4147 for (i = 0; i < rates_len; i++) {
4150 ridx = rates[i] / 8;
4151 rbit = BIT(rates[i] % 8);
4153 /* check validity */
4154 if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN))
4157 /* check availability */
4158 ridx = array_index_nospec(ridx, IEEE80211_HT_MCS_MASK_LEN);
4159 if (sband->ht_cap.mcs.rx_mask[ridx] & rbit)
4168 static u16 vht_mcs_map_to_mcs_mask(u8 vht_mcs_map)
4172 switch (vht_mcs_map) {
4173 case IEEE80211_VHT_MCS_NOT_SUPPORTED:
4175 case IEEE80211_VHT_MCS_SUPPORT_0_7:
4178 case IEEE80211_VHT_MCS_SUPPORT_0_8:
4181 case IEEE80211_VHT_MCS_SUPPORT_0_9:
4191 static void vht_build_mcs_mask(u16 vht_mcs_map,
4192 u16 vht_mcs_mask[NL80211_VHT_NSS_MAX])
4196 for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) {
4197 vht_mcs_mask[nss] = vht_mcs_map_to_mcs_mask(vht_mcs_map & 0x03);
4202 static bool vht_set_mcs_mask(struct ieee80211_supported_band *sband,
4203 struct nl80211_txrate_vht *txrate,
4204 u16 mcs[NL80211_VHT_NSS_MAX])
4206 u16 tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
4207 u16 tx_mcs_mask[NL80211_VHT_NSS_MAX] = {};
4210 if (!sband->vht_cap.vht_supported)
4213 memset(mcs, 0, sizeof(u16) * NL80211_VHT_NSS_MAX);
4215 /* Build vht_mcs_mask from VHT capabilities */
4216 vht_build_mcs_mask(tx_mcs_map, tx_mcs_mask);
4218 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
4219 if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i])
4220 mcs[i] = txrate->mcs[i];
4228 static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = {
4229 [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY,
4230 .len = NL80211_MAX_SUPP_RATES },
4231 [NL80211_TXRATE_HT] = { .type = NLA_BINARY,
4232 .len = NL80211_MAX_SUPP_HT_RATES },
4233 [NL80211_TXRATE_VHT] = {
4234 .type = NLA_EXACT_LEN_WARN,
4235 .len = sizeof(struct nl80211_txrate_vht),
4237 [NL80211_TXRATE_GI] = { .type = NLA_U8 },
4240 static int nl80211_parse_tx_bitrate_mask(struct genl_info *info,
4241 struct cfg80211_bitrate_mask *mask)
4243 struct nlattr *tb[NL80211_TXRATE_MAX + 1];
4244 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4246 struct nlattr *tx_rates;
4247 struct ieee80211_supported_band *sband;
4250 memset(mask, 0, sizeof(*mask));
4251 /* Default to all rates enabled */
4252 for (i = 0; i < NUM_NL80211_BANDS; i++) {
4253 sband = rdev->wiphy.bands[i];
4258 mask->control[i].legacy = (1 << sband->n_bitrates) - 1;
4259 memcpy(mask->control[i].ht_mcs,
4260 sband->ht_cap.mcs.rx_mask,
4261 sizeof(mask->control[i].ht_mcs));
4263 if (!sband->vht_cap.vht_supported)
4266 vht_tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
4267 vht_build_mcs_mask(vht_tx_mcs_map, mask->control[i].vht_mcs);
4270 /* if no rates are given set it back to the defaults */
4271 if (!info->attrs[NL80211_ATTR_TX_RATES])
4274 /* The nested attribute uses enum nl80211_band as the index. This maps
4275 * directly to the enum nl80211_band values used in cfg80211.
4277 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8);
4278 nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem) {
4279 enum nl80211_band band = nla_type(tx_rates);
4282 if (band < 0 || band >= NUM_NL80211_BANDS)
4284 sband = rdev->wiphy.bands[band];
4287 err = nla_parse_nested_deprecated(tb, NL80211_TXRATE_MAX,
4289 nl80211_txattr_policy,
4293 if (tb[NL80211_TXRATE_LEGACY]) {
4294 mask->control[band].legacy = rateset_to_mask(
4296 nla_data(tb[NL80211_TXRATE_LEGACY]),
4297 nla_len(tb[NL80211_TXRATE_LEGACY]));
4298 if ((mask->control[band].legacy == 0) &&
4299 nla_len(tb[NL80211_TXRATE_LEGACY]))
4302 if (tb[NL80211_TXRATE_HT]) {
4303 if (!ht_rateset_to_mask(
4305 nla_data(tb[NL80211_TXRATE_HT]),
4306 nla_len(tb[NL80211_TXRATE_HT]),
4307 mask->control[band].ht_mcs))
4310 if (tb[NL80211_TXRATE_VHT]) {
4311 if (!vht_set_mcs_mask(
4313 nla_data(tb[NL80211_TXRATE_VHT]),
4314 mask->control[band].vht_mcs))
4317 if (tb[NL80211_TXRATE_GI]) {
4318 mask->control[band].gi =
4319 nla_get_u8(tb[NL80211_TXRATE_GI]);
4320 if (mask->control[band].gi > NL80211_TXRATE_FORCE_LGI)
4324 if (mask->control[band].legacy == 0) {
4325 /* don't allow empty legacy rates if HT or VHT
4326 * are not even supported.
4328 if (!(rdev->wiphy.bands[band]->ht_cap.ht_supported ||
4329 rdev->wiphy.bands[band]->vht_cap.vht_supported))
4332 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
4333 if (mask->control[band].ht_mcs[i])
4336 for (i = 0; i < NL80211_VHT_NSS_MAX; i++)
4337 if (mask->control[band].vht_mcs[i])
4340 /* legacy and mcs rates may not be both empty */
4349 static int validate_beacon_tx_rate(struct cfg80211_registered_device *rdev,
4350 enum nl80211_band band,
4351 struct cfg80211_bitrate_mask *beacon_rate)
4353 u32 count_ht, count_vht, i;
4354 u32 rate = beacon_rate->control[band].legacy;
4356 /* Allow only one rate */
4357 if (hweight32(rate) > 1)
4361 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) {
4362 if (hweight8(beacon_rate->control[band].ht_mcs[i]) > 1) {
4364 } else if (beacon_rate->control[band].ht_mcs[i]) {
4369 if (count_ht && rate)
4374 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
4375 if (hweight16(beacon_rate->control[band].vht_mcs[i]) > 1) {
4377 } else if (beacon_rate->control[band].vht_mcs[i]) {
4382 if (count_vht && rate)
4386 if ((count_ht && count_vht) || (!rate && !count_ht && !count_vht))
4390 !wiphy_ext_feature_isset(&rdev->wiphy,
4391 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY))
4394 !wiphy_ext_feature_isset(&rdev->wiphy,
4395 NL80211_EXT_FEATURE_BEACON_RATE_HT))
4398 !wiphy_ext_feature_isset(&rdev->wiphy,
4399 NL80211_EXT_FEATURE_BEACON_RATE_VHT))
4405 static int nl80211_parse_beacon(struct cfg80211_registered_device *rdev,
4406 struct nlattr *attrs[],
4407 struct cfg80211_beacon_data *bcn)
4409 bool haveinfo = false;
4412 memset(bcn, 0, sizeof(*bcn));
4414 if (attrs[NL80211_ATTR_BEACON_HEAD]) {
4415 bcn->head = nla_data(attrs[NL80211_ATTR_BEACON_HEAD]);
4416 bcn->head_len = nla_len(attrs[NL80211_ATTR_BEACON_HEAD]);
4422 if (attrs[NL80211_ATTR_BEACON_TAIL]) {
4423 bcn->tail = nla_data(attrs[NL80211_ATTR_BEACON_TAIL]);
4424 bcn->tail_len = nla_len(attrs[NL80211_ATTR_BEACON_TAIL]);
4431 if (attrs[NL80211_ATTR_IE]) {
4432 bcn->beacon_ies = nla_data(attrs[NL80211_ATTR_IE]);
4433 bcn->beacon_ies_len = nla_len(attrs[NL80211_ATTR_IE]);
4436 if (attrs[NL80211_ATTR_IE_PROBE_RESP]) {
4437 bcn->proberesp_ies =
4438 nla_data(attrs[NL80211_ATTR_IE_PROBE_RESP]);
4439 bcn->proberesp_ies_len =
4440 nla_len(attrs[NL80211_ATTR_IE_PROBE_RESP]);
4443 if (attrs[NL80211_ATTR_IE_ASSOC_RESP]) {
4444 bcn->assocresp_ies =
4445 nla_data(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
4446 bcn->assocresp_ies_len =
4447 nla_len(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
4450 if (attrs[NL80211_ATTR_PROBE_RESP]) {
4451 bcn->probe_resp = nla_data(attrs[NL80211_ATTR_PROBE_RESP]);
4452 bcn->probe_resp_len = nla_len(attrs[NL80211_ATTR_PROBE_RESP]);
4455 if (attrs[NL80211_ATTR_FTM_RESPONDER]) {
4456 struct nlattr *tb[NL80211_FTM_RESP_ATTR_MAX + 1];
4458 err = nla_parse_nested_deprecated(tb,
4459 NL80211_FTM_RESP_ATTR_MAX,
4460 attrs[NL80211_ATTR_FTM_RESPONDER],
4465 if (tb[NL80211_FTM_RESP_ATTR_ENABLED] &&
4466 wiphy_ext_feature_isset(&rdev->wiphy,
4467 NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER))
4468 bcn->ftm_responder = 1;
4472 if (tb[NL80211_FTM_RESP_ATTR_LCI]) {
4473 bcn->lci = nla_data(tb[NL80211_FTM_RESP_ATTR_LCI]);
4474 bcn->lci_len = nla_len(tb[NL80211_FTM_RESP_ATTR_LCI]);
4477 if (tb[NL80211_FTM_RESP_ATTR_CIVICLOC]) {
4478 bcn->civicloc = nla_data(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]);
4479 bcn->civicloc_len = nla_len(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]);
4482 bcn->ftm_responder = -1;
4488 static int nl80211_parse_he_obss_pd(struct nlattr *attrs,
4489 struct ieee80211_he_obss_pd *he_obss_pd)
4491 struct nlattr *tb[NL80211_HE_OBSS_PD_ATTR_MAX + 1];
4494 err = nla_parse_nested(tb, NL80211_HE_OBSS_PD_ATTR_MAX, attrs,
4495 he_obss_pd_policy, NULL);
4499 if (!tb[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET] ||
4500 !tb[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET])
4503 he_obss_pd->min_offset =
4504 nla_get_u32(tb[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET]);
4505 he_obss_pd->max_offset =
4506 nla_get_u32(tb[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET]);
4508 if (he_obss_pd->min_offset >= he_obss_pd->max_offset)
4511 he_obss_pd->enable = true;
4516 static void nl80211_check_ap_rate_selectors(struct cfg80211_ap_settings *params,
4524 for (i = 0; i < rates[1]; i++) {
4525 if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_HT_PHY)
4526 params->ht_required = true;
4527 if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_VHT_PHY)
4528 params->vht_required = true;
4533 * Since the nl80211 API didn't include, from the beginning, attributes about
4534 * HT/VHT requirements/capabilities, we parse them out of the IEs for the
4535 * benefit of drivers that rebuild IEs in the firmware.
4537 static void nl80211_calculate_ap_params(struct cfg80211_ap_settings *params)
4539 const struct cfg80211_beacon_data *bcn = ¶ms->beacon;
4540 size_t ies_len = bcn->tail_len;
4541 const u8 *ies = bcn->tail;
4545 rates = cfg80211_find_ie(WLAN_EID_SUPP_RATES, ies, ies_len);
4546 nl80211_check_ap_rate_selectors(params, rates);
4548 rates = cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES, ies, ies_len);
4549 nl80211_check_ap_rate_selectors(params, rates);
4551 cap = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, ies, ies_len);
4552 if (cap && cap[1] >= sizeof(*params->ht_cap))
4553 params->ht_cap = (void *)(cap + 2);
4554 cap = cfg80211_find_ie(WLAN_EID_VHT_CAPABILITY, ies, ies_len);
4555 if (cap && cap[1] >= sizeof(*params->vht_cap))
4556 params->vht_cap = (void *)(cap + 2);
4557 cap = cfg80211_find_ext_ie(WLAN_EID_EXT_HE_CAPABILITY, ies, ies_len);
4558 if (cap && cap[1] >= sizeof(*params->he_cap) + 1)
4559 params->he_cap = (void *)(cap + 3);
4562 static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev,
4563 struct cfg80211_ap_settings *params)
4565 struct wireless_dev *wdev;
4568 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
4569 if (wdev->iftype != NL80211_IFTYPE_AP &&
4570 wdev->iftype != NL80211_IFTYPE_P2P_GO)
4573 if (!wdev->preset_chandef.chan)
4576 params->chandef = wdev->preset_chandef;
4584 static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev,
4585 enum nl80211_auth_type auth_type,
4586 enum nl80211_commands cmd)
4588 if (auth_type > NL80211_AUTHTYPE_MAX)
4592 case NL80211_CMD_AUTHENTICATE:
4593 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
4594 auth_type == NL80211_AUTHTYPE_SAE)
4596 if (!wiphy_ext_feature_isset(&rdev->wiphy,
4597 NL80211_EXT_FEATURE_FILS_STA) &&
4598 (auth_type == NL80211_AUTHTYPE_FILS_SK ||
4599 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
4600 auth_type == NL80211_AUTHTYPE_FILS_PK))
4603 case NL80211_CMD_CONNECT:
4604 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
4605 !wiphy_ext_feature_isset(&rdev->wiphy,
4606 NL80211_EXT_FEATURE_SAE_OFFLOAD) &&
4607 auth_type == NL80211_AUTHTYPE_SAE)
4610 /* FILS with SK PFS or PK not supported yet */
4611 if (auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
4612 auth_type == NL80211_AUTHTYPE_FILS_PK)
4614 if (!wiphy_ext_feature_isset(
4616 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) &&
4617 auth_type == NL80211_AUTHTYPE_FILS_SK)
4620 case NL80211_CMD_START_AP:
4621 /* SAE not supported yet */
4622 if (auth_type == NL80211_AUTHTYPE_SAE)
4624 /* FILS not supported yet */
4625 if (auth_type == NL80211_AUTHTYPE_FILS_SK ||
4626 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
4627 auth_type == NL80211_AUTHTYPE_FILS_PK)
4635 static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
4637 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4638 struct net_device *dev = info->user_ptr[1];
4639 struct wireless_dev *wdev = dev->ieee80211_ptr;
4640 struct cfg80211_ap_settings params;
4643 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4644 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4647 if (!rdev->ops->start_ap)
4650 if (wdev->beacon_interval)
4653 memset(¶ms, 0, sizeof(params));
4655 /* these are required for START_AP */
4656 if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] ||
4657 !info->attrs[NL80211_ATTR_DTIM_PERIOD] ||
4658 !info->attrs[NL80211_ATTR_BEACON_HEAD])
4661 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms.beacon);
4665 params.beacon_interval =
4666 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
4667 params.dtim_period =
4668 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
4670 err = cfg80211_validate_beacon_int(rdev, dev->ieee80211_ptr->iftype,
4671 params.beacon_interval);
4676 * In theory, some of these attributes should be required here
4677 * but since they were not used when the command was originally
4678 * added, keep them optional for old user space programs to let
4679 * them continue to work with drivers that do not need the
4680 * additional information -- drivers must check!
4682 if (info->attrs[NL80211_ATTR_SSID]) {
4683 params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
4685 nla_len(info->attrs[NL80211_ATTR_SSID]);
4686 if (params.ssid_len == 0 ||
4687 params.ssid_len > IEEE80211_MAX_SSID_LEN)
4691 if (info->attrs[NL80211_ATTR_HIDDEN_SSID])
4692 params.hidden_ssid = nla_get_u32(
4693 info->attrs[NL80211_ATTR_HIDDEN_SSID]);
4695 params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
4697 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
4698 params.auth_type = nla_get_u32(
4699 info->attrs[NL80211_ATTR_AUTH_TYPE]);
4700 if (!nl80211_valid_auth_type(rdev, params.auth_type,
4701 NL80211_CMD_START_AP))
4704 params.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
4706 err = nl80211_crypto_settings(rdev, info, ¶ms.crypto,
4707 NL80211_MAX_NR_CIPHER_SUITES);
4711 if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) {
4712 if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER))
4714 params.inactivity_timeout = nla_get_u16(
4715 info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]);
4718 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
4719 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4721 params.p2p_ctwindow =
4722 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
4723 if (params.p2p_ctwindow != 0 &&
4724 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
4728 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
4731 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4733 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
4734 params.p2p_opp_ps = tmp;
4735 if (params.p2p_opp_ps != 0 &&
4736 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
4740 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
4741 err = nl80211_parse_chandef(rdev, info, ¶ms.chandef);
4744 } else if (wdev->preset_chandef.chan) {
4745 params.chandef = wdev->preset_chandef;
4746 } else if (!nl80211_get_ap_channel(rdev, ¶ms))
4749 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef,
4753 if (info->attrs[NL80211_ATTR_TX_RATES]) {
4754 err = nl80211_parse_tx_bitrate_mask(info, ¶ms.beacon_rate);
4758 err = validate_beacon_tx_rate(rdev, params.chandef.chan->band,
4759 ¶ms.beacon_rate);
4764 if (info->attrs[NL80211_ATTR_SMPS_MODE]) {
4766 nla_get_u8(info->attrs[NL80211_ATTR_SMPS_MODE]);
4767 switch (params.smps_mode) {
4768 case NL80211_SMPS_OFF:
4770 case NL80211_SMPS_STATIC:
4771 if (!(rdev->wiphy.features &
4772 NL80211_FEATURE_STATIC_SMPS))
4775 case NL80211_SMPS_DYNAMIC:
4776 if (!(rdev->wiphy.features &
4777 NL80211_FEATURE_DYNAMIC_SMPS))
4784 params.smps_mode = NL80211_SMPS_OFF;
4787 params.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
4788 if (params.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ])
4791 if (info->attrs[NL80211_ATTR_ACL_POLICY]) {
4792 params.acl = parse_acl_data(&rdev->wiphy, info);
4793 if (IS_ERR(params.acl))
4794 return PTR_ERR(params.acl);
4797 params.twt_responder =
4798 nla_get_flag(info->attrs[NL80211_ATTR_TWT_RESPONDER]);
4800 if (info->attrs[NL80211_ATTR_HE_OBSS_PD]) {
4801 err = nl80211_parse_he_obss_pd(
4802 info->attrs[NL80211_ATTR_HE_OBSS_PD],
4803 ¶ms.he_obss_pd);
4807 nl80211_calculate_ap_params(¶ms);
4809 if (info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])
4810 params.flags |= AP_SETTINGS_EXTERNAL_AUTH_SUPPORT;
4813 err = rdev_start_ap(rdev, dev, ¶ms);
4815 wdev->preset_chandef = params.chandef;
4816 wdev->beacon_interval = params.beacon_interval;
4817 wdev->chandef = params.chandef;
4818 wdev->ssid_len = params.ssid_len;
4819 memcpy(wdev->ssid, params.ssid, wdev->ssid_len);
4821 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
4822 wdev->conn_owner_nlportid = info->snd_portid;
4832 static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info)
4834 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4835 struct net_device *dev = info->user_ptr[1];
4836 struct wireless_dev *wdev = dev->ieee80211_ptr;
4837 struct cfg80211_beacon_data params;
4840 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4841 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4844 if (!rdev->ops->change_beacon)
4847 if (!wdev->beacon_interval)
4850 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms);
4855 err = rdev_change_beacon(rdev, dev, ¶ms);
4861 static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info)
4863 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4864 struct net_device *dev = info->user_ptr[1];
4866 return cfg80211_stop_ap(rdev, dev, false);
4869 static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = {
4870 [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG },
4871 [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG },
4872 [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG },
4873 [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG },
4874 [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG },
4875 [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG },
4878 static int parse_station_flags(struct genl_info *info,
4879 enum nl80211_iftype iftype,
4880 struct station_parameters *params)
4882 struct nlattr *flags[NL80211_STA_FLAG_MAX + 1];
4887 * Try parsing the new attribute first so userspace
4888 * can specify both for older kernels.
4890 nla = info->attrs[NL80211_ATTR_STA_FLAGS2];
4892 struct nl80211_sta_flag_update *sta_flags;
4894 sta_flags = nla_data(nla);
4895 params->sta_flags_mask = sta_flags->mask;
4896 params->sta_flags_set = sta_flags->set;
4897 params->sta_flags_set &= params->sta_flags_mask;
4898 if ((params->sta_flags_mask |
4899 params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID))
4904 /* if present, parse the old attribute */
4906 nla = info->attrs[NL80211_ATTR_STA_FLAGS];
4910 if (nla_parse_nested_deprecated(flags, NL80211_STA_FLAG_MAX, nla, sta_flags_policy, info->extack))
4914 * Only allow certain flags for interface types so that
4915 * other attributes are silently ignored. Remember that
4916 * this is backward compatibility code with old userspace
4917 * and shouldn't be hit in other cases anyway.
4920 case NL80211_IFTYPE_AP:
4921 case NL80211_IFTYPE_AP_VLAN:
4922 case NL80211_IFTYPE_P2P_GO:
4923 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
4924 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
4925 BIT(NL80211_STA_FLAG_WME) |
4926 BIT(NL80211_STA_FLAG_MFP);
4928 case NL80211_IFTYPE_P2P_CLIENT:
4929 case NL80211_IFTYPE_STATION:
4930 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
4931 BIT(NL80211_STA_FLAG_TDLS_PEER);
4933 case NL80211_IFTYPE_MESH_POINT:
4934 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
4935 BIT(NL80211_STA_FLAG_MFP) |
4936 BIT(NL80211_STA_FLAG_AUTHORIZED);
4942 for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) {
4944 params->sta_flags_set |= (1<<flag);
4946 /* no longer support new API additions in old API */
4947 if (flag > NL80211_STA_FLAG_MAX_OLD_API)
4955 bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, int attr)
4957 struct nlattr *rate;
4960 enum nl80211_rate_info rate_flg;
4962 rate = nla_nest_start_noflag(msg, attr);
4966 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
4967 bitrate = cfg80211_calculate_bitrate(info);
4968 /* report 16-bit bitrate only if we can */
4969 bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0;
4971 nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate))
4973 if (bitrate_compat > 0 &&
4974 nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat))
4978 case RATE_INFO_BW_5:
4979 rate_flg = NL80211_RATE_INFO_5_MHZ_WIDTH;
4981 case RATE_INFO_BW_10:
4982 rate_flg = NL80211_RATE_INFO_10_MHZ_WIDTH;
4987 case RATE_INFO_BW_20:
4990 case RATE_INFO_BW_40:
4991 rate_flg = NL80211_RATE_INFO_40_MHZ_WIDTH;
4993 case RATE_INFO_BW_80:
4994 rate_flg = NL80211_RATE_INFO_80_MHZ_WIDTH;
4996 case RATE_INFO_BW_160:
4997 rate_flg = NL80211_RATE_INFO_160_MHZ_WIDTH;
4999 case RATE_INFO_BW_HE_RU:
5001 WARN_ON(!(info->flags & RATE_INFO_FLAGS_HE_MCS));
5004 if (rate_flg && nla_put_flag(msg, rate_flg))
5007 if (info->flags & RATE_INFO_FLAGS_MCS) {
5008 if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs))
5010 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
5011 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
5013 } else if (info->flags & RATE_INFO_FLAGS_VHT_MCS) {
5014 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_MCS, info->mcs))
5016 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss))
5018 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
5019 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
5021 } else if (info->flags & RATE_INFO_FLAGS_HE_MCS) {
5022 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_MCS, info->mcs))
5024 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_NSS, info->nss))
5026 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_GI, info->he_gi))
5028 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_DCM, info->he_dcm))
5030 if (info->bw == RATE_INFO_BW_HE_RU &&
5031 nla_put_u8(msg, NL80211_RATE_INFO_HE_RU_ALLOC,
5036 nla_nest_end(msg, rate);
5040 static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal,
5049 attr = nla_nest_start_noflag(msg, id);
5053 for (i = 0; i < IEEE80211_MAX_CHAINS; i++) {
5054 if (!(mask & BIT(i)))
5057 if (nla_put_u8(msg, i, signal[i]))
5061 nla_nest_end(msg, attr);
5066 static int nl80211_send_station(struct sk_buff *msg, u32 cmd, u32 portid,
5068 struct cfg80211_registered_device *rdev,
5069 struct net_device *dev,
5070 const u8 *mac_addr, struct station_info *sinfo)
5073 struct nlattr *sinfoattr, *bss_param;
5075 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
5077 cfg80211_sinfo_release_content(sinfo);
5081 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
5082 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
5083 nla_put_u32(msg, NL80211_ATTR_GENERATION, sinfo->generation))
5084 goto nla_put_failure;
5086 sinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_STA_INFO);
5088 goto nla_put_failure;
5090 #define PUT_SINFO(attr, memb, type) do { \
5091 BUILD_BUG_ON(sizeof(type) == sizeof(u64)); \
5092 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \
5093 nla_put_ ## type(msg, NL80211_STA_INFO_ ## attr, \
5095 goto nla_put_failure; \
5097 #define PUT_SINFO_U64(attr, memb) do { \
5098 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \
5099 nla_put_u64_64bit(msg, NL80211_STA_INFO_ ## attr, \
5100 sinfo->memb, NL80211_STA_INFO_PAD)) \
5101 goto nla_put_failure; \
5104 PUT_SINFO(CONNECTED_TIME, connected_time, u32);
5105 PUT_SINFO(INACTIVE_TIME, inactive_time, u32);
5106 PUT_SINFO_U64(ASSOC_AT_BOOTTIME, assoc_at);
5108 if (sinfo->filled & (BIT_ULL(NL80211_STA_INFO_RX_BYTES) |
5109 BIT_ULL(NL80211_STA_INFO_RX_BYTES64)) &&
5110 nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES,
5111 (u32)sinfo->rx_bytes))
5112 goto nla_put_failure;
5114 if (sinfo->filled & (BIT_ULL(NL80211_STA_INFO_TX_BYTES) |
5115 BIT_ULL(NL80211_STA_INFO_TX_BYTES64)) &&
5116 nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES,
5117 (u32)sinfo->tx_bytes))
5118 goto nla_put_failure;
5120 PUT_SINFO_U64(RX_BYTES64, rx_bytes);
5121 PUT_SINFO_U64(TX_BYTES64, tx_bytes);
5122 PUT_SINFO(LLID, llid, u16);
5123 PUT_SINFO(PLID, plid, u16);
5124 PUT_SINFO(PLINK_STATE, plink_state, u8);
5125 PUT_SINFO_U64(RX_DURATION, rx_duration);
5126 PUT_SINFO_U64(TX_DURATION, tx_duration);
5128 if (wiphy_ext_feature_isset(&rdev->wiphy,
5129 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
5130 PUT_SINFO(AIRTIME_WEIGHT, airtime_weight, u16);
5132 switch (rdev->wiphy.signal_type) {
5133 case CFG80211_SIGNAL_TYPE_MBM:
5134 PUT_SINFO(SIGNAL, signal, u8);
5135 PUT_SINFO(SIGNAL_AVG, signal_avg, u8);
5140 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL)) {
5141 if (!nl80211_put_signal(msg, sinfo->chains,
5142 sinfo->chain_signal,
5143 NL80211_STA_INFO_CHAIN_SIGNAL))
5144 goto nla_put_failure;
5146 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) {
5147 if (!nl80211_put_signal(msg, sinfo->chains,
5148 sinfo->chain_signal_avg,
5149 NL80211_STA_INFO_CHAIN_SIGNAL_AVG))
5150 goto nla_put_failure;
5152 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_TX_BITRATE)) {
5153 if (!nl80211_put_sta_rate(msg, &sinfo->txrate,
5154 NL80211_STA_INFO_TX_BITRATE))
5155 goto nla_put_failure;
5157 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_RX_BITRATE)) {
5158 if (!nl80211_put_sta_rate(msg, &sinfo->rxrate,
5159 NL80211_STA_INFO_RX_BITRATE))
5160 goto nla_put_failure;
5163 PUT_SINFO(RX_PACKETS, rx_packets, u32);
5164 PUT_SINFO(TX_PACKETS, tx_packets, u32);
5165 PUT_SINFO(TX_RETRIES, tx_retries, u32);
5166 PUT_SINFO(TX_FAILED, tx_failed, u32);
5167 PUT_SINFO(EXPECTED_THROUGHPUT, expected_throughput, u32);
5168 PUT_SINFO(AIRTIME_LINK_METRIC, airtime_link_metric, u32);
5169 PUT_SINFO(BEACON_LOSS, beacon_loss_count, u32);
5170 PUT_SINFO(LOCAL_PM, local_pm, u32);
5171 PUT_SINFO(PEER_PM, peer_pm, u32);
5172 PUT_SINFO(NONPEER_PM, nonpeer_pm, u32);
5173 PUT_SINFO(CONNECTED_TO_GATE, connected_to_gate, u8);
5175 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_BSS_PARAM)) {
5176 bss_param = nla_nest_start_noflag(msg,
5177 NL80211_STA_INFO_BSS_PARAM);
5179 goto nla_put_failure;
5181 if (((sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) &&
5182 nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) ||
5183 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) &&
5184 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) ||
5185 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) &&
5186 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) ||
5187 nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD,
5188 sinfo->bss_param.dtim_period) ||
5189 nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL,
5190 sinfo->bss_param.beacon_interval))
5191 goto nla_put_failure;
5193 nla_nest_end(msg, bss_param);
5195 if ((sinfo->filled & BIT_ULL(NL80211_STA_INFO_STA_FLAGS)) &&
5196 nla_put(msg, NL80211_STA_INFO_STA_FLAGS,
5197 sizeof(struct nl80211_sta_flag_update),
5199 goto nla_put_failure;
5201 PUT_SINFO_U64(T_OFFSET, t_offset);
5202 PUT_SINFO_U64(RX_DROP_MISC, rx_dropped_misc);
5203 PUT_SINFO_U64(BEACON_RX, rx_beacon);
5204 PUT_SINFO(BEACON_SIGNAL_AVG, rx_beacon_signal_avg, u8);
5205 PUT_SINFO(RX_MPDUS, rx_mpdu_count, u32);
5206 PUT_SINFO(FCS_ERROR_COUNT, fcs_err_count, u32);
5207 if (wiphy_ext_feature_isset(&rdev->wiphy,
5208 NL80211_EXT_FEATURE_ACK_SIGNAL_SUPPORT)) {
5209 PUT_SINFO(ACK_SIGNAL, ack_signal, u8);
5210 PUT_SINFO(ACK_SIGNAL_AVG, avg_ack_signal, s8);
5214 #undef PUT_SINFO_U64
5216 if (sinfo->pertid) {
5217 struct nlattr *tidsattr;
5220 tidsattr = nla_nest_start_noflag(msg,
5221 NL80211_STA_INFO_TID_STATS);
5223 goto nla_put_failure;
5225 for (tid = 0; tid < IEEE80211_NUM_TIDS + 1; tid++) {
5226 struct cfg80211_tid_stats *tidstats;
5227 struct nlattr *tidattr;
5229 tidstats = &sinfo->pertid[tid];
5231 if (!tidstats->filled)
5234 tidattr = nla_nest_start_noflag(msg, tid + 1);
5236 goto nla_put_failure;
5238 #define PUT_TIDVAL_U64(attr, memb) do { \
5239 if (tidstats->filled & BIT(NL80211_TID_STATS_ ## attr) && \
5240 nla_put_u64_64bit(msg, NL80211_TID_STATS_ ## attr, \
5241 tidstats->memb, NL80211_TID_STATS_PAD)) \
5242 goto nla_put_failure; \
5245 PUT_TIDVAL_U64(RX_MSDU, rx_msdu);
5246 PUT_TIDVAL_U64(TX_MSDU, tx_msdu);
5247 PUT_TIDVAL_U64(TX_MSDU_RETRIES, tx_msdu_retries);
5248 PUT_TIDVAL_U64(TX_MSDU_FAILED, tx_msdu_failed);
5250 #undef PUT_TIDVAL_U64
5251 if ((tidstats->filled &
5252 BIT(NL80211_TID_STATS_TXQ_STATS)) &&
5253 !nl80211_put_txq_stats(msg, &tidstats->txq_stats,
5254 NL80211_TID_STATS_TXQ_STATS))
5255 goto nla_put_failure;
5257 nla_nest_end(msg, tidattr);
5260 nla_nest_end(msg, tidsattr);
5263 nla_nest_end(msg, sinfoattr);
5265 if (sinfo->assoc_req_ies_len &&
5266 nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len,
5267 sinfo->assoc_req_ies))
5268 goto nla_put_failure;
5270 cfg80211_sinfo_release_content(sinfo);
5271 genlmsg_end(msg, hdr);
5275 cfg80211_sinfo_release_content(sinfo);
5276 genlmsg_cancel(msg, hdr);
5280 static int nl80211_dump_station(struct sk_buff *skb,
5281 struct netlink_callback *cb)
5283 struct station_info sinfo;
5284 struct cfg80211_registered_device *rdev;
5285 struct wireless_dev *wdev;
5286 u8 mac_addr[ETH_ALEN];
5287 int sta_idx = cb->args[2];
5291 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
5295 if (!wdev->netdev) {
5300 if (!rdev->ops->dump_station) {
5306 memset(&sinfo, 0, sizeof(sinfo));
5307 err = rdev_dump_station(rdev, wdev->netdev, sta_idx,
5314 if (nl80211_send_station(skb, NL80211_CMD_NEW_STATION,
5315 NETLINK_CB(cb->skb).portid,
5316 cb->nlh->nlmsg_seq, NLM_F_MULTI,
5317 rdev, wdev->netdev, mac_addr,
5325 cb->args[2] = sta_idx;
5333 static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info)
5335 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5336 struct net_device *dev = info->user_ptr[1];
5337 struct station_info sinfo;
5338 struct sk_buff *msg;
5339 u8 *mac_addr = NULL;
5342 memset(&sinfo, 0, sizeof(sinfo));
5344 if (!info->attrs[NL80211_ATTR_MAC])
5347 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
5349 if (!rdev->ops->get_station)
5352 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
5356 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
5358 cfg80211_sinfo_release_content(&sinfo);
5362 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION,
5363 info->snd_portid, info->snd_seq, 0,
5364 rdev, dev, mac_addr, &sinfo) < 0) {
5369 return genlmsg_reply(msg, info);
5372 int cfg80211_check_station_change(struct wiphy *wiphy,
5373 struct station_parameters *params,
5374 enum cfg80211_station_type statype)
5376 if (params->listen_interval != -1 &&
5377 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
5380 if (params->support_p2p_ps != -1 &&
5381 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
5385 !(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) &&
5386 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
5389 /* When you run into this, adjust the code below for the new flag */
5390 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
5393 case CFG80211_STA_MESH_PEER_KERNEL:
5394 case CFG80211_STA_MESH_PEER_USER:
5396 * No ignoring the TDLS flag here -- the userspace mesh
5397 * code doesn't have the bug of including TDLS in the
5400 if (params->sta_flags_mask &
5401 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) |
5402 BIT(NL80211_STA_FLAG_MFP) |
5403 BIT(NL80211_STA_FLAG_AUTHORIZED)))
5406 case CFG80211_STA_TDLS_PEER_SETUP:
5407 case CFG80211_STA_TDLS_PEER_ACTIVE:
5408 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
5410 /* ignore since it can't change */
5411 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
5414 /* disallow mesh-specific things */
5415 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION)
5417 if (params->local_pm)
5419 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
5423 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
5424 statype != CFG80211_STA_TDLS_PEER_ACTIVE) {
5425 /* TDLS can't be set, ... */
5426 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
5429 * ... but don't bother the driver with it. This works around
5430 * a hostapd/wpa_supplicant issue -- it always includes the
5431 * TLDS_PEER flag in the mask even for AP mode.
5433 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
5436 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
5437 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
5438 /* reject other things that can't change */
5439 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD)
5441 if (params->sta_modify_mask & STATION_PARAM_APPLY_CAPABILITY)
5443 if (params->supported_rates)
5445 if (params->ext_capab || params->ht_capa || params->vht_capa ||
5450 if (statype != CFG80211_STA_AP_CLIENT &&
5451 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
5457 case CFG80211_STA_AP_MLME_CLIENT:
5458 /* Use this only for authorizing/unauthorizing a station */
5459 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
5462 case CFG80211_STA_AP_CLIENT:
5463 case CFG80211_STA_AP_CLIENT_UNASSOC:
5464 /* accept only the listed bits */
5465 if (params->sta_flags_mask &
5466 ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
5467 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
5468 BIT(NL80211_STA_FLAG_ASSOCIATED) |
5469 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
5470 BIT(NL80211_STA_FLAG_WME) |
5471 BIT(NL80211_STA_FLAG_MFP)))
5474 /* but authenticated/associated only if driver handles it */
5475 if (!(wiphy->features & NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
5476 params->sta_flags_mask &
5477 (BIT(NL80211_STA_FLAG_AUTHENTICATED) |
5478 BIT(NL80211_STA_FLAG_ASSOCIATED)))
5481 case CFG80211_STA_IBSS:
5482 case CFG80211_STA_AP_STA:
5483 /* reject any changes other than AUTHORIZED */
5484 if (params->sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED))
5487 case CFG80211_STA_TDLS_PEER_SETUP:
5488 /* reject any changes other than AUTHORIZED or WME */
5489 if (params->sta_flags_mask & ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
5490 BIT(NL80211_STA_FLAG_WME)))
5492 /* force (at least) rates when authorizing */
5493 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED) &&
5494 !params->supported_rates)
5497 case CFG80211_STA_TDLS_PEER_ACTIVE:
5498 /* reject any changes */
5500 case CFG80211_STA_MESH_PEER_KERNEL:
5501 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
5504 case CFG80211_STA_MESH_PEER_USER:
5505 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION &&
5506 params->plink_action != NL80211_PLINK_ACTION_BLOCK)
5512 * Older kernel versions ignored this attribute entirely, so don't
5513 * reject attempts to update it but mark it as unused instead so the
5514 * driver won't look at the data.
5516 if (statype != CFG80211_STA_AP_CLIENT_UNASSOC &&
5517 statype != CFG80211_STA_TDLS_PEER_SETUP)
5518 params->opmode_notif_used = false;
5522 EXPORT_SYMBOL(cfg80211_check_station_change);
5525 * Get vlan interface making sure it is running and on the right wiphy.
5527 static struct net_device *get_vlan(struct genl_info *info,
5528 struct cfg80211_registered_device *rdev)
5530 struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN];
5531 struct net_device *v;
5537 v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr));
5539 return ERR_PTR(-ENODEV);
5541 if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) {
5546 if (v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
5547 v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
5548 v->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
5553 if (!netif_running(v)) {
5561 return ERR_PTR(ret);
5564 static const struct nla_policy
5565 nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] = {
5566 [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 },
5567 [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 },
5570 static int nl80211_parse_sta_wme(struct genl_info *info,
5571 struct station_parameters *params)
5573 struct nlattr *tb[NL80211_STA_WME_MAX + 1];
5577 /* parse WME attributes if present */
5578 if (!info->attrs[NL80211_ATTR_STA_WME])
5581 nla = info->attrs[NL80211_ATTR_STA_WME];
5582 err = nla_parse_nested_deprecated(tb, NL80211_STA_WME_MAX, nla,
5583 nl80211_sta_wme_policy,
5588 if (tb[NL80211_STA_WME_UAPSD_QUEUES])
5589 params->uapsd_queues = nla_get_u8(
5590 tb[NL80211_STA_WME_UAPSD_QUEUES]);
5591 if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
5594 if (tb[NL80211_STA_WME_MAX_SP])
5595 params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]);
5597 if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
5600 params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD;
5605 static int nl80211_parse_sta_channel_info(struct genl_info *info,
5606 struct station_parameters *params)
5608 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]) {
5609 params->supported_channels =
5610 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
5611 params->supported_channels_len =
5612 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
5614 * Need to include at least one (first channel, number of
5615 * channels) tuple for each subband, and must have proper
5616 * tuples for the rest of the data as well.
5618 if (params->supported_channels_len < 2)
5620 if (params->supported_channels_len % 2)
5624 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]) {
5625 params->supported_oper_classes =
5626 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
5627 params->supported_oper_classes_len =
5628 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
5630 * The value of the Length field of the Supported Operating
5631 * Classes element is between 2 and 253.
5633 if (params->supported_oper_classes_len < 2 ||
5634 params->supported_oper_classes_len > 253)
5640 static int nl80211_set_station_tdls(struct genl_info *info,
5641 struct station_parameters *params)
5644 /* Dummy STA entry gets updated once the peer capabilities are known */
5645 if (info->attrs[NL80211_ATTR_PEER_AID])
5646 params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
5647 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
5649 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
5650 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
5652 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
5653 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
5655 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
5656 params->he_capa_len =
5657 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
5659 if (params->he_capa_len < NL80211_HE_MIN_CAPABILITY_LEN)
5663 err = nl80211_parse_sta_channel_info(info, params);
5667 return nl80211_parse_sta_wme(info, params);
5670 static int nl80211_parse_sta_txpower_setting(struct genl_info *info,
5671 struct station_parameters *params)
5673 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5676 if (info->attrs[NL80211_ATTR_STA_TX_POWER_SETTING]) {
5677 if (!rdev->ops->set_tx_power ||
5678 !wiphy_ext_feature_isset(&rdev->wiphy,
5679 NL80211_EXT_FEATURE_STA_TX_PWR))
5682 idx = NL80211_ATTR_STA_TX_POWER_SETTING;
5683 params->txpwr.type = nla_get_u8(info->attrs[idx]);
5685 if (params->txpwr.type == NL80211_TX_POWER_LIMITED) {
5686 idx = NL80211_ATTR_STA_TX_POWER;
5688 if (info->attrs[idx])
5689 params->txpwr.power =
5690 nla_get_s16(info->attrs[idx]);
5694 params->sta_modify_mask |= STATION_PARAM_APPLY_STA_TXPOWER;
5700 static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
5702 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5703 struct net_device *dev = info->user_ptr[1];
5704 struct station_parameters params;
5708 memset(¶ms, 0, sizeof(params));
5710 if (!rdev->ops->change_station)
5714 * AID and listen_interval properties can be set only for unassociated
5715 * station. Include these parameters here and will check them in
5716 * cfg80211_check_station_change().
5718 if (info->attrs[NL80211_ATTR_STA_AID])
5719 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
5721 if (info->attrs[NL80211_ATTR_VLAN_ID])
5722 params.vlan_id = nla_get_u16(info->attrs[NL80211_ATTR_VLAN_ID]);
5724 if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
5725 params.listen_interval =
5726 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
5728 params.listen_interval = -1;
5730 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS])
5731 params.support_p2p_ps =
5732 nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
5734 params.support_p2p_ps = -1;
5736 if (!info->attrs[NL80211_ATTR_MAC])
5739 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
5741 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) {
5742 params.supported_rates =
5743 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
5744 params.supported_rates_len =
5745 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
5748 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
5750 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
5751 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
5754 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
5756 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
5757 params.ext_capab_len =
5758 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
5761 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
5764 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
5765 params.plink_action =
5766 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
5768 if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) {
5769 params.plink_state =
5770 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]);
5771 if (info->attrs[NL80211_ATTR_MESH_PEER_AID])
5772 params.peer_aid = nla_get_u16(
5773 info->attrs[NL80211_ATTR_MESH_PEER_AID]);
5774 params.sta_modify_mask |= STATION_PARAM_APPLY_PLINK_STATE;
5777 if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE])
5778 params.local_pm = nla_get_u32(
5779 info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]);
5781 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
5782 params.opmode_notif_used = true;
5783 params.opmode_notif =
5784 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
5787 if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
5788 params.airtime_weight =
5789 nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
5791 if (params.airtime_weight &&
5792 !wiphy_ext_feature_isset(&rdev->wiphy,
5793 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
5796 err = nl80211_parse_sta_txpower_setting(info, ¶ms);
5800 /* Include parameters for TDLS peer (will check later) */
5801 err = nl80211_set_station_tdls(info, ¶ms);
5805 params.vlan = get_vlan(info, rdev);
5806 if (IS_ERR(params.vlan))
5807 return PTR_ERR(params.vlan);
5809 switch (dev->ieee80211_ptr->iftype) {
5810 case NL80211_IFTYPE_AP:
5811 case NL80211_IFTYPE_AP_VLAN:
5812 case NL80211_IFTYPE_P2P_GO:
5813 case NL80211_IFTYPE_P2P_CLIENT:
5814 case NL80211_IFTYPE_STATION:
5815 case NL80211_IFTYPE_ADHOC:
5816 case NL80211_IFTYPE_MESH_POINT:
5823 /* driver will call cfg80211_check_station_change() */
5824 err = rdev_change_station(rdev, dev, mac_addr, ¶ms);
5828 dev_put(params.vlan);
5833 static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
5835 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5837 struct net_device *dev = info->user_ptr[1];
5838 struct station_parameters params;
5839 u8 *mac_addr = NULL;
5840 u32 auth_assoc = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
5841 BIT(NL80211_STA_FLAG_ASSOCIATED);
5843 memset(¶ms, 0, sizeof(params));
5845 if (!rdev->ops->add_station)
5848 if (!info->attrs[NL80211_ATTR_MAC])
5851 if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
5854 if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES])
5857 if (!info->attrs[NL80211_ATTR_STA_AID] &&
5858 !info->attrs[NL80211_ATTR_PEER_AID])
5861 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
5862 params.supported_rates =
5863 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
5864 params.supported_rates_len =
5865 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
5866 params.listen_interval =
5867 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
5869 if (info->attrs[NL80211_ATTR_VLAN_ID])
5870 params.vlan_id = nla_get_u16(info->attrs[NL80211_ATTR_VLAN_ID]);
5872 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]) {
5873 params.support_p2p_ps =
5874 nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
5877 * if not specified, assume it's supported for P2P GO interface,
5878 * and is NOT supported for AP interface
5880 params.support_p2p_ps =
5881 dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO;
5884 if (info->attrs[NL80211_ATTR_PEER_AID])
5885 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
5887 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
5889 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
5891 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
5892 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
5895 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
5897 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
5898 params.ext_capab_len =
5899 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
5902 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
5904 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
5906 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
5908 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
5910 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
5912 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
5913 params.he_capa_len =
5914 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
5916 /* max len is validated in nla policy */
5917 if (params.he_capa_len < NL80211_HE_MIN_CAPABILITY_LEN)
5921 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
5922 params.opmode_notif_used = true;
5923 params.opmode_notif =
5924 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
5927 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
5928 params.plink_action =
5929 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
5931 if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
5932 params.airtime_weight =
5933 nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
5935 if (params.airtime_weight &&
5936 !wiphy_ext_feature_isset(&rdev->wiphy,
5937 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
5940 err = nl80211_parse_sta_txpower_setting(info, ¶ms);
5944 err = nl80211_parse_sta_channel_info(info, ¶ms);
5948 err = nl80211_parse_sta_wme(info, ¶ms);
5952 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
5955 /* HT/VHT requires QoS, but if we don't have that just ignore HT/VHT
5956 * as userspace might just pass through the capabilities from the IEs
5957 * directly, rather than enforcing this restriction and returning an
5958 * error in this case.
5960 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) {
5961 params.ht_capa = NULL;
5962 params.vht_capa = NULL;
5964 /* HE requires WME */
5965 if (params.he_capa_len)
5969 /* When you run into this, adjust the code below for the new flag */
5970 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
5972 switch (dev->ieee80211_ptr->iftype) {
5973 case NL80211_IFTYPE_AP:
5974 case NL80211_IFTYPE_AP_VLAN:
5975 case NL80211_IFTYPE_P2P_GO:
5976 /* ignore WME attributes if iface/sta is not capable */
5977 if (!(rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) ||
5978 !(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME)))
5979 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
5981 /* TDLS peers cannot be added */
5982 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
5983 info->attrs[NL80211_ATTR_PEER_AID])
5985 /* but don't bother the driver with it */
5986 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
5988 /* allow authenticated/associated only if driver handles it */
5989 if (!(rdev->wiphy.features &
5990 NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
5991 params.sta_flags_mask & auth_assoc)
5994 /* Older userspace, or userspace wanting to be compatible with
5995 * !NL80211_FEATURE_FULL_AP_CLIENT_STATE, will not set the auth
5996 * and assoc flags in the mask, but assumes the station will be
5997 * added as associated anyway since this was the required driver
5998 * behaviour before NL80211_FEATURE_FULL_AP_CLIENT_STATE was
6000 * In order to not bother drivers with this quirk in the API
6001 * set the flags in both the mask and set for new stations in
6004 if (!(params.sta_flags_mask & auth_assoc)) {
6005 params.sta_flags_mask |= auth_assoc;
6006 params.sta_flags_set |= auth_assoc;
6009 /* must be last in here for error handling */
6010 params.vlan = get_vlan(info, rdev);
6011 if (IS_ERR(params.vlan))
6012 return PTR_ERR(params.vlan);
6014 case NL80211_IFTYPE_MESH_POINT:
6015 /* ignore uAPSD data */
6016 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
6018 /* associated is disallowed */
6019 if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED))
6021 /* TDLS peers cannot be added */
6022 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
6023 info->attrs[NL80211_ATTR_PEER_AID])
6026 case NL80211_IFTYPE_STATION:
6027 case NL80211_IFTYPE_P2P_CLIENT:
6028 /* ignore uAPSD data */
6029 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
6031 /* these are disallowed */
6032 if (params.sta_flags_mask &
6033 (BIT(NL80211_STA_FLAG_ASSOCIATED) |
6034 BIT(NL80211_STA_FLAG_AUTHENTICATED)))
6036 /* Only TDLS peers can be added */
6037 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
6039 /* Can only add if TDLS ... */
6040 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS))
6042 /* ... with external setup is supported */
6043 if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
6046 * Older wpa_supplicant versions always mark the TDLS peer
6047 * as authorized, but it shouldn't yet be.
6049 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_AUTHORIZED);
6055 /* be aware of params.vlan when changing code here */
6057 err = rdev_add_station(rdev, dev, mac_addr, ¶ms);
6060 dev_put(params.vlan);
6064 static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info)
6066 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6067 struct net_device *dev = info->user_ptr[1];
6068 struct station_del_parameters params;
6070 memset(¶ms, 0, sizeof(params));
6072 if (info->attrs[NL80211_ATTR_MAC])
6073 params.mac = nla_data(info->attrs[NL80211_ATTR_MAC]);
6075 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
6076 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
6077 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
6078 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
6081 if (!rdev->ops->del_station)
6084 if (info->attrs[NL80211_ATTR_MGMT_SUBTYPE]) {
6086 nla_get_u8(info->attrs[NL80211_ATTR_MGMT_SUBTYPE]);
6087 if (params.subtype != IEEE80211_STYPE_DISASSOC >> 4 &&
6088 params.subtype != IEEE80211_STYPE_DEAUTH >> 4)
6091 /* Default to Deauthentication frame */
6092 params.subtype = IEEE80211_STYPE_DEAUTH >> 4;
6095 if (info->attrs[NL80211_ATTR_REASON_CODE]) {
6096 params.reason_code =
6097 nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
6098 if (params.reason_code == 0)
6099 return -EINVAL; /* 0 is reserved */
6101 /* Default to reason code 2 */
6102 params.reason_code = WLAN_REASON_PREV_AUTH_NOT_VALID;
6105 return rdev_del_station(rdev, dev, ¶ms);
6108 static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq,
6109 int flags, struct net_device *dev,
6110 u8 *dst, u8 *next_hop,
6111 struct mpath_info *pinfo)
6114 struct nlattr *pinfoattr;
6116 hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_MPATH);
6120 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
6121 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
6122 nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) ||
6123 nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation))
6124 goto nla_put_failure;
6126 pinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_MPATH_INFO);
6128 goto nla_put_failure;
6129 if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) &&
6130 nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN,
6132 goto nla_put_failure;
6133 if (((pinfo->filled & MPATH_INFO_SN) &&
6134 nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) ||
6135 ((pinfo->filled & MPATH_INFO_METRIC) &&
6136 nla_put_u32(msg, NL80211_MPATH_INFO_METRIC,
6138 ((pinfo->filled & MPATH_INFO_EXPTIME) &&
6139 nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME,
6141 ((pinfo->filled & MPATH_INFO_FLAGS) &&
6142 nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS,
6144 ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) &&
6145 nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT,
6146 pinfo->discovery_timeout)) ||
6147 ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) &&
6148 nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES,
6149 pinfo->discovery_retries)) ||
6150 ((pinfo->filled & MPATH_INFO_HOP_COUNT) &&
6151 nla_put_u8(msg, NL80211_MPATH_INFO_HOP_COUNT,
6152 pinfo->hop_count)) ||
6153 ((pinfo->filled & MPATH_INFO_PATH_CHANGE) &&
6154 nla_put_u32(msg, NL80211_MPATH_INFO_PATH_CHANGE,
6155 pinfo->path_change_count)))
6156 goto nla_put_failure;
6158 nla_nest_end(msg, pinfoattr);
6160 genlmsg_end(msg, hdr);
6164 genlmsg_cancel(msg, hdr);
6168 static int nl80211_dump_mpath(struct sk_buff *skb,
6169 struct netlink_callback *cb)
6171 struct mpath_info pinfo;
6172 struct cfg80211_registered_device *rdev;
6173 struct wireless_dev *wdev;
6175 u8 next_hop[ETH_ALEN];
6176 int path_idx = cb->args[2];
6180 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
6184 if (!rdev->ops->dump_mpath) {
6189 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
6195 err = rdev_dump_mpath(rdev, wdev->netdev, path_idx, dst,
6202 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
6203 cb->nlh->nlmsg_seq, NLM_F_MULTI,
6204 wdev->netdev, dst, next_hop,
6212 cb->args[2] = path_idx;
6219 static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info)
6221 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6223 struct net_device *dev = info->user_ptr[1];
6224 struct mpath_info pinfo;
6225 struct sk_buff *msg;
6227 u8 next_hop[ETH_ALEN];
6229 memset(&pinfo, 0, sizeof(pinfo));
6231 if (!info->attrs[NL80211_ATTR_MAC])
6234 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6236 if (!rdev->ops->get_mpath)
6239 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6242 err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo);
6246 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6250 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
6251 dev, dst, next_hop, &pinfo) < 0) {
6256 return genlmsg_reply(msg, info);
6259 static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info)
6261 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6262 struct net_device *dev = info->user_ptr[1];
6264 u8 *next_hop = NULL;
6266 if (!info->attrs[NL80211_ATTR_MAC])
6269 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
6272 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6273 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
6275 if (!rdev->ops->change_mpath)
6278 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6281 return rdev_change_mpath(rdev, dev, dst, next_hop);
6284 static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info)
6286 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6287 struct net_device *dev = info->user_ptr[1];
6289 u8 *next_hop = NULL;
6291 if (!info->attrs[NL80211_ATTR_MAC])
6294 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
6297 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6298 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
6300 if (!rdev->ops->add_mpath)
6303 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6306 return rdev_add_mpath(rdev, dev, dst, next_hop);
6309 static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info)
6311 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6312 struct net_device *dev = info->user_ptr[1];
6315 if (info->attrs[NL80211_ATTR_MAC])
6316 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6318 if (!rdev->ops->del_mpath)
6321 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6324 return rdev_del_mpath(rdev, dev, dst);
6327 static int nl80211_get_mpp(struct sk_buff *skb, struct genl_info *info)
6329 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6331 struct net_device *dev = info->user_ptr[1];
6332 struct mpath_info pinfo;
6333 struct sk_buff *msg;
6337 memset(&pinfo, 0, sizeof(pinfo));
6339 if (!info->attrs[NL80211_ATTR_MAC])
6342 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6344 if (!rdev->ops->get_mpp)
6347 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6350 err = rdev_get_mpp(rdev, dev, dst, mpp, &pinfo);
6354 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6358 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
6359 dev, dst, mpp, &pinfo) < 0) {
6364 return genlmsg_reply(msg, info);
6367 static int nl80211_dump_mpp(struct sk_buff *skb,
6368 struct netlink_callback *cb)
6370 struct mpath_info pinfo;
6371 struct cfg80211_registered_device *rdev;
6372 struct wireless_dev *wdev;
6375 int path_idx = cb->args[2];
6379 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
6383 if (!rdev->ops->dump_mpp) {
6388 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
6394 err = rdev_dump_mpp(rdev, wdev->netdev, path_idx, dst,
6401 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
6402 cb->nlh->nlmsg_seq, NLM_F_MULTI,
6403 wdev->netdev, dst, mpp,
6411 cb->args[2] = path_idx;
6418 static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
6420 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6421 struct net_device *dev = info->user_ptr[1];
6422 struct wireless_dev *wdev = dev->ieee80211_ptr;
6423 struct bss_parameters params;
6426 memset(¶ms, 0, sizeof(params));
6427 /* default to not changing parameters */
6428 params.use_cts_prot = -1;
6429 params.use_short_preamble = -1;
6430 params.use_short_slot_time = -1;
6431 params.ap_isolate = -1;
6432 params.ht_opmode = -1;
6433 params.p2p_ctwindow = -1;
6434 params.p2p_opp_ps = -1;
6436 if (info->attrs[NL80211_ATTR_BSS_CTS_PROT])
6437 params.use_cts_prot =
6438 nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]);
6439 if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE])
6440 params.use_short_preamble =
6441 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]);
6442 if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME])
6443 params.use_short_slot_time =
6444 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]);
6445 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
6446 params.basic_rates =
6447 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
6448 params.basic_rates_len =
6449 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
6451 if (info->attrs[NL80211_ATTR_AP_ISOLATE])
6452 params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]);
6453 if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE])
6455 nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]);
6457 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
6458 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
6460 params.p2p_ctwindow =
6461 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
6462 if (params.p2p_ctwindow != 0 &&
6463 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
6467 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
6470 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
6472 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
6473 params.p2p_opp_ps = tmp;
6474 if (params.p2p_opp_ps &&
6475 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
6479 if (!rdev->ops->change_bss)
6482 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
6483 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
6487 err = rdev_change_bss(rdev, dev, ¶ms);
6493 static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
6497 enum nl80211_user_reg_hint_type user_reg_hint_type;
6501 * You should only get this when cfg80211 hasn't yet initialized
6502 * completely when built-in to the kernel right between the time
6503 * window between nl80211_init() and regulatory_init(), if that is
6506 if (unlikely(!rcu_access_pointer(cfg80211_regdomain)))
6507 return -EINPROGRESS;
6509 if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE])
6510 user_reg_hint_type =
6511 nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]);
6513 user_reg_hint_type = NL80211_USER_REG_HINT_USER;
6515 switch (user_reg_hint_type) {
6516 case NL80211_USER_REG_HINT_USER:
6517 case NL80211_USER_REG_HINT_CELL_BASE:
6518 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
6521 data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
6522 return regulatory_hint_user(data, user_reg_hint_type);
6523 case NL80211_USER_REG_HINT_INDOOR:
6524 if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
6525 owner_nlportid = info->snd_portid;
6526 is_indoor = !!info->attrs[NL80211_ATTR_REG_INDOOR];
6532 return regulatory_hint_indoor(is_indoor, owner_nlportid);
6538 static int nl80211_reload_regdb(struct sk_buff *skb, struct genl_info *info)
6540 return reg_reload_regdb();
6543 static int nl80211_get_mesh_config(struct sk_buff *skb,
6544 struct genl_info *info)
6546 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6547 struct net_device *dev = info->user_ptr[1];
6548 struct wireless_dev *wdev = dev->ieee80211_ptr;
6549 struct mesh_config cur_params;
6552 struct nlattr *pinfoattr;
6553 struct sk_buff *msg;
6555 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
6558 if (!rdev->ops->get_mesh_config)
6562 /* If not connected, get default parameters */
6563 if (!wdev->mesh_id_len)
6564 memcpy(&cur_params, &default_mesh_config, sizeof(cur_params));
6566 err = rdev_get_mesh_config(rdev, dev, &cur_params);
6572 /* Draw up a netlink message to send back */
6573 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6576 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
6577 NL80211_CMD_GET_MESH_CONFIG);
6580 pinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_MESH_CONFIG);
6582 goto nla_put_failure;
6583 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
6584 nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT,
6585 cur_params.dot11MeshRetryTimeout) ||
6586 nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT,
6587 cur_params.dot11MeshConfirmTimeout) ||
6588 nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT,
6589 cur_params.dot11MeshHoldingTimeout) ||
6590 nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
6591 cur_params.dot11MeshMaxPeerLinks) ||
6592 nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES,
6593 cur_params.dot11MeshMaxRetries) ||
6594 nla_put_u8(msg, NL80211_MESHCONF_TTL,
6595 cur_params.dot11MeshTTL) ||
6596 nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL,
6597 cur_params.element_ttl) ||
6598 nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
6599 cur_params.auto_open_plinks) ||
6600 nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
6601 cur_params.dot11MeshNbrOffsetMaxNeighbor) ||
6602 nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
6603 cur_params.dot11MeshHWMPmaxPREQretries) ||
6604 nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME,
6605 cur_params.path_refresh_time) ||
6606 nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
6607 cur_params.min_discovery_timeout) ||
6608 nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
6609 cur_params.dot11MeshHWMPactivePathTimeout) ||
6610 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
6611 cur_params.dot11MeshHWMPpreqMinInterval) ||
6612 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
6613 cur_params.dot11MeshHWMPperrMinInterval) ||
6614 nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
6615 cur_params.dot11MeshHWMPnetDiameterTraversalTime) ||
6616 nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE,
6617 cur_params.dot11MeshHWMPRootMode) ||
6618 nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL,
6619 cur_params.dot11MeshHWMPRannInterval) ||
6620 nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
6621 cur_params.dot11MeshGateAnnouncementProtocol) ||
6622 nla_put_u8(msg, NL80211_MESHCONF_FORWARDING,
6623 cur_params.dot11MeshForwarding) ||
6624 nla_put_s32(msg, NL80211_MESHCONF_RSSI_THRESHOLD,
6625 cur_params.rssi_threshold) ||
6626 nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE,
6627 cur_params.ht_opmode) ||
6628 nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
6629 cur_params.dot11MeshHWMPactivePathToRootTimeout) ||
6630 nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
6631 cur_params.dot11MeshHWMProotInterval) ||
6632 nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
6633 cur_params.dot11MeshHWMPconfirmationInterval) ||
6634 nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE,
6635 cur_params.power_mode) ||
6636 nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW,
6637 cur_params.dot11MeshAwakeWindowDuration) ||
6638 nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT,
6639 cur_params.plink_timeout) ||
6640 nla_put_u8(msg, NL80211_MESHCONF_CONNECTED_TO_GATE,
6641 cur_params.dot11MeshConnectedToMeshGate))
6642 goto nla_put_failure;
6643 nla_nest_end(msg, pinfoattr);
6644 genlmsg_end(msg, hdr);
6645 return genlmsg_reply(msg, info);
6653 static const struct nla_policy
6654 nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = {
6655 [NL80211_MESHCONF_RETRY_TIMEOUT] =
6656 NLA_POLICY_RANGE(NLA_U16, 1, 255),
6657 [NL80211_MESHCONF_CONFIRM_TIMEOUT] =
6658 NLA_POLICY_RANGE(NLA_U16, 1, 255),
6659 [NL80211_MESHCONF_HOLDING_TIMEOUT] =
6660 NLA_POLICY_RANGE(NLA_U16, 1, 255),
6661 [NL80211_MESHCONF_MAX_PEER_LINKS] =
6662 NLA_POLICY_RANGE(NLA_U16, 0, 255),
6663 [NL80211_MESHCONF_MAX_RETRIES] = NLA_POLICY_MAX(NLA_U8, 16),
6664 [NL80211_MESHCONF_TTL] = NLA_POLICY_MIN(NLA_U8, 1),
6665 [NL80211_MESHCONF_ELEMENT_TTL] = NLA_POLICY_MIN(NLA_U8, 1),
6666 [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = NLA_POLICY_MAX(NLA_U8, 1),
6667 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] =
6668 NLA_POLICY_RANGE(NLA_U32, 1, 255),
6669 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 },
6670 [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 },
6671 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = NLA_POLICY_MIN(NLA_U16, 1),
6672 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 },
6673 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] =
6674 NLA_POLICY_MIN(NLA_U16, 1),
6675 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] =
6676 NLA_POLICY_MIN(NLA_U16, 1),
6677 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] =
6678 NLA_POLICY_MIN(NLA_U16, 1),
6679 [NL80211_MESHCONF_HWMP_ROOTMODE] = NLA_POLICY_MAX(NLA_U8, 4),
6680 [NL80211_MESHCONF_HWMP_RANN_INTERVAL] =
6681 NLA_POLICY_MIN(NLA_U16, 1),
6682 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = NLA_POLICY_MAX(NLA_U8, 1),
6683 [NL80211_MESHCONF_FORWARDING] = NLA_POLICY_MAX(NLA_U8, 1),
6684 [NL80211_MESHCONF_RSSI_THRESHOLD] =
6685 NLA_POLICY_RANGE(NLA_S32, -255, 0),
6686 [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 },
6687 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 },
6688 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] =
6689 NLA_POLICY_MIN(NLA_U16, 1),
6690 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] =
6691 NLA_POLICY_MIN(NLA_U16, 1),
6692 [NL80211_MESHCONF_POWER_MODE] =
6693 NLA_POLICY_RANGE(NLA_U32,
6694 NL80211_MESH_POWER_ACTIVE,
6695 NL80211_MESH_POWER_MAX),
6696 [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 },
6697 [NL80211_MESHCONF_PLINK_TIMEOUT] = { .type = NLA_U32 },
6698 [NL80211_MESHCONF_CONNECTED_TO_GATE] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
6701 static const struct nla_policy
6702 nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = {
6703 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 },
6704 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 },
6705 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 },
6706 [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG },
6707 [NL80211_MESH_SETUP_AUTH_PROTOCOL] = { .type = NLA_U8 },
6708 [NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG },
6709 [NL80211_MESH_SETUP_IE] =
6710 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
6711 IEEE80211_MAX_DATA_LEN),
6712 [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG },
6715 static int nl80211_parse_mesh_config(struct genl_info *info,
6716 struct mesh_config *cfg,
6719 struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1];
6723 #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, mask, attr, fn) \
6726 cfg->param = fn(tb[attr]); \
6727 mask |= BIT((attr) - 1); \
6731 if (!info->attrs[NL80211_ATTR_MESH_CONFIG])
6733 if (nla_parse_nested_deprecated(tb, NL80211_MESHCONF_ATTR_MAX, info->attrs[NL80211_ATTR_MESH_CONFIG], nl80211_meshconf_params_policy, info->extack))
6736 /* This makes sure that there aren't more than 32 mesh config
6737 * parameters (otherwise our bitfield scheme would not work.) */
6738 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32);
6740 /* Fill in the params struct */
6741 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, mask,
6742 NL80211_MESHCONF_RETRY_TIMEOUT, nla_get_u16);
6743 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, mask,
6744 NL80211_MESHCONF_CONFIRM_TIMEOUT,
6746 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, mask,
6747 NL80211_MESHCONF_HOLDING_TIMEOUT,
6749 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, mask,
6750 NL80211_MESHCONF_MAX_PEER_LINKS,
6752 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, mask,
6753 NL80211_MESHCONF_MAX_RETRIES, nla_get_u8);
6754 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, mask,
6755 NL80211_MESHCONF_TTL, nla_get_u8);
6756 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, mask,
6757 NL80211_MESHCONF_ELEMENT_TTL, nla_get_u8);
6758 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, mask,
6759 NL80211_MESHCONF_AUTO_OPEN_PLINKS,
6761 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor,
6763 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
6765 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, mask,
6766 NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
6768 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, mask,
6769 NL80211_MESHCONF_PATH_REFRESH_TIME,
6771 if (mask & BIT(NL80211_MESHCONF_PATH_REFRESH_TIME) &&
6772 (cfg->path_refresh_time < 1 || cfg->path_refresh_time > 65535))
6774 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, mask,
6775 NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
6777 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout,
6779 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
6781 if (mask & BIT(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT) &&
6782 (cfg->dot11MeshHWMPactivePathTimeout < 1 ||
6783 cfg->dot11MeshHWMPactivePathTimeout > 65535))
6785 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, mask,
6786 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
6788 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval, mask,
6789 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
6791 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
6792 dot11MeshHWMPnetDiameterTraversalTime, mask,
6793 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
6795 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, mask,
6796 NL80211_MESHCONF_HWMP_ROOTMODE, nla_get_u8);
6797 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, mask,
6798 NL80211_MESHCONF_HWMP_RANN_INTERVAL,
6800 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshGateAnnouncementProtocol,
6801 mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
6803 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, mask,
6804 NL80211_MESHCONF_FORWARDING, nla_get_u8);
6805 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, mask,
6806 NL80211_MESHCONF_RSSI_THRESHOLD,
6808 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConnectedToMeshGate, mask,
6809 NL80211_MESHCONF_CONNECTED_TO_GATE,
6812 * Check HT operation mode based on
6813 * IEEE 802.11-2016 9.4.2.57 HT Operation element.
6815 if (tb[NL80211_MESHCONF_HT_OPMODE]) {
6816 ht_opmode = nla_get_u16(tb[NL80211_MESHCONF_HT_OPMODE]);
6818 if (ht_opmode & ~(IEEE80211_HT_OP_MODE_PROTECTION |
6819 IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT |
6820 IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT))
6823 /* NON_HT_STA bit is reserved, but some programs set it */
6824 ht_opmode &= ~IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT;
6826 cfg->ht_opmode = ht_opmode;
6827 mask |= (1 << (NL80211_MESHCONF_HT_OPMODE - 1));
6829 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
6830 dot11MeshHWMPactivePathToRootTimeout, mask,
6831 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
6833 if (mask & BIT(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT) &&
6834 (cfg->dot11MeshHWMPactivePathToRootTimeout < 1 ||
6835 cfg->dot11MeshHWMPactivePathToRootTimeout > 65535))
6837 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, mask,
6838 NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
6840 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPconfirmationInterval,
6842 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
6844 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode, mask,
6845 NL80211_MESHCONF_POWER_MODE, nla_get_u32);
6846 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration, mask,
6847 NL80211_MESHCONF_AWAKE_WINDOW, nla_get_u16);
6848 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, plink_timeout, mask,
6849 NL80211_MESHCONF_PLINK_TIMEOUT, nla_get_u32);
6855 #undef FILL_IN_MESH_PARAM_IF_SET
6858 static int nl80211_parse_mesh_setup(struct genl_info *info,
6859 struct mesh_setup *setup)
6861 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6862 struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1];
6864 if (!info->attrs[NL80211_ATTR_MESH_SETUP])
6866 if (nla_parse_nested_deprecated(tb, NL80211_MESH_SETUP_ATTR_MAX, info->attrs[NL80211_ATTR_MESH_SETUP], nl80211_mesh_setup_params_policy, info->extack))
6869 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])
6870 setup->sync_method =
6871 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ?
6872 IEEE80211_SYNC_METHOD_VENDOR :
6873 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET;
6875 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])
6876 setup->path_sel_proto =
6877 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ?
6878 IEEE80211_PATH_PROTOCOL_VENDOR :
6879 IEEE80211_PATH_PROTOCOL_HWMP;
6881 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])
6882 setup->path_metric =
6883 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ?
6884 IEEE80211_PATH_METRIC_VENDOR :
6885 IEEE80211_PATH_METRIC_AIRTIME;
6887 if (tb[NL80211_MESH_SETUP_IE]) {
6888 struct nlattr *ieattr =
6889 tb[NL80211_MESH_SETUP_IE];
6890 setup->ie = nla_data(ieattr);
6891 setup->ie_len = nla_len(ieattr);
6893 if (tb[NL80211_MESH_SETUP_USERSPACE_MPM] &&
6894 !(rdev->wiphy.features & NL80211_FEATURE_USERSPACE_MPM))
6896 setup->user_mpm = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_MPM]);
6897 setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]);
6898 setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]);
6899 if (setup->is_secure)
6900 setup->user_mpm = true;
6902 if (tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]) {
6903 if (!setup->user_mpm)
6906 nla_get_u8(tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]);
6912 static int nl80211_update_mesh_config(struct sk_buff *skb,
6913 struct genl_info *info)
6915 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6916 struct net_device *dev = info->user_ptr[1];
6917 struct wireless_dev *wdev = dev->ieee80211_ptr;
6918 struct mesh_config cfg;
6922 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
6925 if (!rdev->ops->update_mesh_config)
6928 err = nl80211_parse_mesh_config(info, &cfg, &mask);
6933 if (!wdev->mesh_id_len)
6937 err = rdev_update_mesh_config(rdev, dev, mask, &cfg);
6944 static int nl80211_put_regdom(const struct ieee80211_regdomain *regdom,
6945 struct sk_buff *msg)
6947 struct nlattr *nl_reg_rules;
6950 if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, regdom->alpha2) ||
6951 (regdom->dfs_region &&
6952 nla_put_u8(msg, NL80211_ATTR_DFS_REGION, regdom->dfs_region)))
6953 goto nla_put_failure;
6955 nl_reg_rules = nla_nest_start_noflag(msg, NL80211_ATTR_REG_RULES);
6957 goto nla_put_failure;
6959 for (i = 0; i < regdom->n_reg_rules; i++) {
6960 struct nlattr *nl_reg_rule;
6961 const struct ieee80211_reg_rule *reg_rule;
6962 const struct ieee80211_freq_range *freq_range;
6963 const struct ieee80211_power_rule *power_rule;
6964 unsigned int max_bandwidth_khz;
6966 reg_rule = ®dom->reg_rules[i];
6967 freq_range = ®_rule->freq_range;
6968 power_rule = ®_rule->power_rule;
6970 nl_reg_rule = nla_nest_start_noflag(msg, i);
6972 goto nla_put_failure;
6974 max_bandwidth_khz = freq_range->max_bandwidth_khz;
6975 if (!max_bandwidth_khz)
6976 max_bandwidth_khz = reg_get_max_bandwidth(regdom,
6979 if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS,
6981 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START,
6982 freq_range->start_freq_khz) ||
6983 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END,
6984 freq_range->end_freq_khz) ||
6985 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW,
6986 max_bandwidth_khz) ||
6987 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN,
6988 power_rule->max_antenna_gain) ||
6989 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP,
6990 power_rule->max_eirp) ||
6991 nla_put_u32(msg, NL80211_ATTR_DFS_CAC_TIME,
6992 reg_rule->dfs_cac_ms))
6993 goto nla_put_failure;
6995 nla_nest_end(msg, nl_reg_rule);
6998 nla_nest_end(msg, nl_reg_rules);
7005 static int nl80211_get_reg_do(struct sk_buff *skb, struct genl_info *info)
7007 const struct ieee80211_regdomain *regdom = NULL;
7008 struct cfg80211_registered_device *rdev;
7009 struct wiphy *wiphy = NULL;
7010 struct sk_buff *msg;
7013 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7017 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
7018 NL80211_CMD_GET_REG);
7022 if (info->attrs[NL80211_ATTR_WIPHY]) {
7025 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
7028 return PTR_ERR(rdev);
7031 wiphy = &rdev->wiphy;
7032 self_managed = wiphy->regulatory_flags &
7033 REGULATORY_WIPHY_SELF_MANAGED;
7034 regdom = get_wiphy_regdom(wiphy);
7036 /* a self-managed-reg device must have a private regdom */
7037 if (WARN_ON(!regdom && self_managed)) {
7043 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
7044 goto nla_put_failure;
7047 if (!wiphy && reg_last_request_cell_base() &&
7048 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
7049 NL80211_USER_REG_HINT_CELL_BASE))
7050 goto nla_put_failure;
7055 regdom = rcu_dereference(cfg80211_regdomain);
7057 if (nl80211_put_regdom(regdom, msg))
7058 goto nla_put_failure_rcu;
7062 genlmsg_end(msg, hdr);
7063 return genlmsg_reply(msg, info);
7065 nla_put_failure_rcu:
7073 static int nl80211_send_regdom(struct sk_buff *msg, struct netlink_callback *cb,
7074 u32 seq, int flags, struct wiphy *wiphy,
7075 const struct ieee80211_regdomain *regdom)
7077 void *hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
7078 NL80211_CMD_GET_REG);
7083 genl_dump_check_consistent(cb, hdr);
7085 if (nl80211_put_regdom(regdom, msg))
7086 goto nla_put_failure;
7088 if (!wiphy && reg_last_request_cell_base() &&
7089 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
7090 NL80211_USER_REG_HINT_CELL_BASE))
7091 goto nla_put_failure;
7094 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
7095 goto nla_put_failure;
7097 if (wiphy && wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
7098 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
7099 goto nla_put_failure;
7101 genlmsg_end(msg, hdr);
7105 genlmsg_cancel(msg, hdr);
7109 static int nl80211_get_reg_dump(struct sk_buff *skb,
7110 struct netlink_callback *cb)
7112 const struct ieee80211_regdomain *regdom = NULL;
7113 struct cfg80211_registered_device *rdev;
7114 int err, reg_idx, start = cb->args[2];
7118 if (cfg80211_regdomain && start == 0) {
7119 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
7121 rtnl_dereference(cfg80211_regdomain));
7126 /* the global regdom is idx 0 */
7128 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
7129 regdom = get_wiphy_regdom(&rdev->wiphy);
7133 if (++reg_idx <= start)
7136 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
7137 NLM_F_MULTI, &rdev->wiphy, regdom);
7144 cb->args[2] = reg_idx;
7151 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
7152 static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = {
7153 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
7154 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
7155 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
7156 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
7157 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
7158 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
7159 [NL80211_ATTR_DFS_CAC_TIME] = { .type = NLA_U32 },
7162 static int parse_reg_rule(struct nlattr *tb[],
7163 struct ieee80211_reg_rule *reg_rule)
7165 struct ieee80211_freq_range *freq_range = ®_rule->freq_range;
7166 struct ieee80211_power_rule *power_rule = ®_rule->power_rule;
7168 if (!tb[NL80211_ATTR_REG_RULE_FLAGS])
7170 if (!tb[NL80211_ATTR_FREQ_RANGE_START])
7172 if (!tb[NL80211_ATTR_FREQ_RANGE_END])
7174 if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW])
7176 if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP])
7179 reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]);
7181 freq_range->start_freq_khz =
7182 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]);
7183 freq_range->end_freq_khz =
7184 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]);
7185 freq_range->max_bandwidth_khz =
7186 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]);
7188 power_rule->max_eirp =
7189 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]);
7191 if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN])
7192 power_rule->max_antenna_gain =
7193 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]);
7195 if (tb[NL80211_ATTR_DFS_CAC_TIME])
7196 reg_rule->dfs_cac_ms =
7197 nla_get_u32(tb[NL80211_ATTR_DFS_CAC_TIME]);
7202 static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info)
7204 struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1];
7205 struct nlattr *nl_reg_rule;
7207 int rem_reg_rules, r;
7208 u32 num_rules = 0, rule_idx = 0;
7209 enum nl80211_dfs_regions dfs_region = NL80211_DFS_UNSET;
7210 struct ieee80211_regdomain *rd;
7212 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
7215 if (!info->attrs[NL80211_ATTR_REG_RULES])
7218 alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
7220 if (info->attrs[NL80211_ATTR_DFS_REGION])
7221 dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]);
7223 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
7226 if (num_rules > NL80211_MAX_SUPP_REG_RULES)
7230 if (!reg_is_valid_request(alpha2))
7233 rd = kzalloc(struct_size(rd, reg_rules, num_rules), GFP_KERNEL);
7237 rd->n_reg_rules = num_rules;
7238 rd->alpha2[0] = alpha2[0];
7239 rd->alpha2[1] = alpha2[1];
7242 * Disable DFS master mode if the DFS region was
7243 * not supported or known on this kernel.
7245 if (reg_supported_dfs_region(dfs_region))
7246 rd->dfs_region = dfs_region;
7248 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
7250 r = nla_parse_nested_deprecated(tb, NL80211_REG_RULE_ATTR_MAX,
7251 nl_reg_rule, reg_rule_policy,
7255 r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]);
7261 if (rule_idx > NL80211_MAX_SUPP_REG_RULES) {
7267 /* set_regdom takes ownership of rd */
7268 return set_regdom(rd, REGD_SOURCE_CRDA);
7273 #endif /* CONFIG_CFG80211_CRDA_SUPPORT */
7275 static int validate_scan_freqs(struct nlattr *freqs)
7277 struct nlattr *attr1, *attr2;
7278 int n_channels = 0, tmp1, tmp2;
7280 nla_for_each_nested(attr1, freqs, tmp1)
7281 if (nla_len(attr1) != sizeof(u32))
7284 nla_for_each_nested(attr1, freqs, tmp1) {
7287 * Some hardware has a limited channel list for
7288 * scanning, and it is pretty much nonsensical
7289 * to scan for a channel twice, so disallow that
7290 * and don't require drivers to check that the
7291 * channel list they get isn't longer than what
7292 * they can scan, as long as they can scan all
7293 * the channels they registered at once.
7295 nla_for_each_nested(attr2, freqs, tmp2)
7296 if (attr1 != attr2 &&
7297 nla_get_u32(attr1) == nla_get_u32(attr2))
7304 static bool is_band_valid(struct wiphy *wiphy, enum nl80211_band b)
7306 return b < NUM_NL80211_BANDS && wiphy->bands[b];
7309 static int parse_bss_select(struct nlattr *nla, struct wiphy *wiphy,
7310 struct cfg80211_bss_selection *bss_select)
7312 struct nlattr *attr[NL80211_BSS_SELECT_ATTR_MAX + 1];
7313 struct nlattr *nest;
7318 /* only process one nested attribute */
7319 nest = nla_data(nla);
7320 if (!nla_ok(nest, nla_len(nest)))
7323 err = nla_parse_nested_deprecated(attr, NL80211_BSS_SELECT_ATTR_MAX,
7324 nest, nl80211_bss_select_policy,
7329 /* only one attribute may be given */
7330 for (i = 0; i <= NL80211_BSS_SELECT_ATTR_MAX; i++) {
7338 bss_select->behaviour = __NL80211_BSS_SELECT_ATTR_INVALID;
7340 if (attr[NL80211_BSS_SELECT_ATTR_RSSI])
7341 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI;
7343 if (attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]) {
7344 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_BAND_PREF;
7345 bss_select->param.band_pref =
7346 nla_get_u32(attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]);
7347 if (!is_band_valid(wiphy, bss_select->param.band_pref))
7351 if (attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]) {
7352 struct nl80211_bss_select_rssi_adjust *adj_param;
7354 adj_param = nla_data(attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]);
7355 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI_ADJUST;
7356 bss_select->param.adjust.band = adj_param->band;
7357 bss_select->param.adjust.delta = adj_param->delta;
7358 if (!is_band_valid(wiphy, bss_select->param.adjust.band))
7362 /* user-space did not provide behaviour attribute */
7363 if (bss_select->behaviour == __NL80211_BSS_SELECT_ATTR_INVALID)
7366 if (!(wiphy->bss_select_support & BIT(bss_select->behaviour)))
7372 int nl80211_parse_random_mac(struct nlattr **attrs,
7373 u8 *mac_addr, u8 *mac_addr_mask)
7377 if (!attrs[NL80211_ATTR_MAC] && !attrs[NL80211_ATTR_MAC_MASK]) {
7378 eth_zero_addr(mac_addr);
7379 eth_zero_addr(mac_addr_mask);
7381 mac_addr_mask[0] = 0x3;
7386 /* need both or none */
7387 if (!attrs[NL80211_ATTR_MAC] || !attrs[NL80211_ATTR_MAC_MASK])
7390 memcpy(mac_addr, nla_data(attrs[NL80211_ATTR_MAC]), ETH_ALEN);
7391 memcpy(mac_addr_mask, nla_data(attrs[NL80211_ATTR_MAC_MASK]), ETH_ALEN);
7393 /* don't allow or configure an mcast address */
7394 if (!is_multicast_ether_addr(mac_addr_mask) ||
7395 is_multicast_ether_addr(mac_addr))
7399 * allow users to pass a MAC address that has bits set outside
7400 * of the mask, but don't bother drivers with having to deal
7403 for (i = 0; i < ETH_ALEN; i++)
7404 mac_addr[i] &= mac_addr_mask[i];
7409 static bool cfg80211_off_channel_oper_allowed(struct wireless_dev *wdev)
7411 ASSERT_WDEV_LOCK(wdev);
7413 if (!cfg80211_beaconing_iface_active(wdev))
7416 if (!(wdev->chandef.chan->flags & IEEE80211_CHAN_RADAR))
7419 return regulatory_pre_cac_allowed(wdev->wiphy);
7422 static bool nl80211_check_scan_feat(struct wiphy *wiphy, u32 flags, u32 flag,
7423 enum nl80211_ext_feature_index feat)
7425 if (!(flags & flag))
7427 if (wiphy_ext_feature_isset(wiphy, feat))
7433 nl80211_check_scan_flags(struct wiphy *wiphy, struct wireless_dev *wdev,
7434 void *request, struct nlattr **attrs,
7437 u8 *mac_addr, *mac_addr_mask;
7439 enum nl80211_feature_flags randomness_flag;
7441 if (!attrs[NL80211_ATTR_SCAN_FLAGS])
7444 if (is_sched_scan) {
7445 struct cfg80211_sched_scan_request *req = request;
7447 randomness_flag = wdev ?
7448 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR :
7449 NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
7450 flags = &req->flags;
7451 mac_addr = req->mac_addr;
7452 mac_addr_mask = req->mac_addr_mask;
7454 struct cfg80211_scan_request *req = request;
7456 randomness_flag = NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;
7457 flags = &req->flags;
7458 mac_addr = req->mac_addr;
7459 mac_addr_mask = req->mac_addr_mask;
7462 *flags = nla_get_u32(attrs[NL80211_ATTR_SCAN_FLAGS]);
7464 if (((*flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
7465 !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) ||
7466 !nl80211_check_scan_feat(wiphy, *flags,
7467 NL80211_SCAN_FLAG_LOW_SPAN,
7468 NL80211_EXT_FEATURE_LOW_SPAN_SCAN) ||
7469 !nl80211_check_scan_feat(wiphy, *flags,
7470 NL80211_SCAN_FLAG_LOW_POWER,
7471 NL80211_EXT_FEATURE_LOW_POWER_SCAN) ||
7472 !nl80211_check_scan_feat(wiphy, *flags,
7473 NL80211_SCAN_FLAG_HIGH_ACCURACY,
7474 NL80211_EXT_FEATURE_HIGH_ACCURACY_SCAN) ||
7475 !nl80211_check_scan_feat(wiphy, *flags,
7476 NL80211_SCAN_FLAG_FILS_MAX_CHANNEL_TIME,
7477 NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME) ||
7478 !nl80211_check_scan_feat(wiphy, *flags,
7479 NL80211_SCAN_FLAG_ACCEPT_BCAST_PROBE_RESP,
7480 NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP) ||
7481 !nl80211_check_scan_feat(wiphy, *flags,
7482 NL80211_SCAN_FLAG_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION,
7483 NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION) ||
7484 !nl80211_check_scan_feat(wiphy, *flags,
7485 NL80211_SCAN_FLAG_OCE_PROBE_REQ_HIGH_TX_RATE,
7486 NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE) ||
7487 !nl80211_check_scan_feat(wiphy, *flags,
7488 NL80211_SCAN_FLAG_RANDOM_SN,
7489 NL80211_EXT_FEATURE_SCAN_RANDOM_SN) ||
7490 !nl80211_check_scan_feat(wiphy, *flags,
7491 NL80211_SCAN_FLAG_MIN_PREQ_CONTENT,
7492 NL80211_EXT_FEATURE_SCAN_MIN_PREQ_CONTENT))
7495 if (*flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
7498 if (!(wiphy->features & randomness_flag) ||
7499 (wdev && wdev->current_bss))
7502 err = nl80211_parse_random_mac(attrs, mac_addr, mac_addr_mask);
7510 static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
7512 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7513 struct wireless_dev *wdev = info->user_ptr[1];
7514 struct cfg80211_scan_request *request;
7515 struct nlattr *attr;
7516 struct wiphy *wiphy;
7517 int err, tmp, n_ssids = 0, n_channels, i;
7520 wiphy = &rdev->wiphy;
7522 if (wdev->iftype == NL80211_IFTYPE_NAN)
7525 if (!rdev->ops->scan)
7528 if (rdev->scan_req || rdev->scan_msg) {
7533 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
7534 n_channels = validate_scan_freqs(
7535 info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
7541 n_channels = ieee80211_get_num_supported_channels(wiphy);
7544 if (info->attrs[NL80211_ATTR_SCAN_SSIDS])
7545 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp)
7548 if (n_ssids > wiphy->max_scan_ssids) {
7553 if (info->attrs[NL80211_ATTR_IE])
7554 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
7558 if (ie_len > wiphy->max_scan_ie_len) {
7563 request = kzalloc(sizeof(*request)
7564 + sizeof(*request->ssids) * n_ssids
7565 + sizeof(*request->channels) * n_channels
7566 + ie_len, GFP_KERNEL);
7573 request->ssids = (void *)&request->channels[n_channels];
7574 request->n_ssids = n_ssids;
7577 request->ie = (void *)(request->ssids + n_ssids);
7579 request->ie = (void *)(request->channels + n_channels);
7583 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
7584 /* user specified, bail out if channel not found */
7585 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) {
7586 struct ieee80211_channel *chan;
7588 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
7595 /* ignore disabled channels */
7596 if (chan->flags & IEEE80211_CHAN_DISABLED)
7599 request->channels[i] = chan;
7603 enum nl80211_band band;
7606 for (band = 0; band < NUM_NL80211_BANDS; band++) {
7609 if (!wiphy->bands[band])
7611 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
7612 struct ieee80211_channel *chan;
7614 chan = &wiphy->bands[band]->channels[j];
7616 if (chan->flags & IEEE80211_CHAN_DISABLED)
7619 request->channels[i] = chan;
7630 request->n_channels = i;
7633 if (!cfg80211_off_channel_oper_allowed(wdev)) {
7634 struct ieee80211_channel *chan;
7636 if (request->n_channels != 1) {
7642 chan = request->channels[0];
7643 if (chan->center_freq != wdev->chandef.chan->center_freq) {
7653 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) {
7654 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
7658 request->ssids[i].ssid_len = nla_len(attr);
7659 memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr));
7664 if (info->attrs[NL80211_ATTR_IE]) {
7665 request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
7666 memcpy((void *)request->ie,
7667 nla_data(info->attrs[NL80211_ATTR_IE]),
7671 for (i = 0; i < NUM_NL80211_BANDS; i++)
7672 if (wiphy->bands[i])
7674 (1 << wiphy->bands[i]->n_bitrates) - 1;
7676 if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) {
7677 nla_for_each_nested(attr,
7678 info->attrs[NL80211_ATTR_SCAN_SUPP_RATES],
7680 enum nl80211_band band = nla_type(attr);
7682 if (band < 0 || band >= NUM_NL80211_BANDS) {
7687 if (!wiphy->bands[band])
7690 err = ieee80211_get_ratemask(wiphy->bands[band],
7693 &request->rates[band]);
7699 if (info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]) {
7700 if (!wiphy_ext_feature_isset(wiphy,
7701 NL80211_EXT_FEATURE_SET_SCAN_DWELL)) {
7707 nla_get_u16(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]);
7708 request->duration_mandatory =
7709 nla_get_flag(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY]);
7712 err = nl80211_check_scan_flags(wiphy, wdev, request, info->attrs,
7718 nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
7720 /* Initial implementation used NL80211_ATTR_MAC to set the specific
7721 * BSSID to scan for. This was problematic because that same attribute
7722 * was already used for another purpose (local random MAC address). The
7723 * NL80211_ATTR_BSSID attribute was added to fix this. For backwards
7724 * compatibility with older userspace components, also use the
7725 * NL80211_ATTR_MAC value here if it can be determined to be used for
7726 * the specific BSSID use case instead of the random MAC address
7727 * (NL80211_ATTR_SCAN_FLAGS is used to enable random MAC address use).
7729 if (info->attrs[NL80211_ATTR_BSSID])
7730 memcpy(request->bssid,
7731 nla_data(info->attrs[NL80211_ATTR_BSSID]), ETH_ALEN);
7732 else if (!(request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) &&
7733 info->attrs[NL80211_ATTR_MAC])
7734 memcpy(request->bssid, nla_data(info->attrs[NL80211_ATTR_MAC]),
7737 eth_broadcast_addr(request->bssid);
7739 request->wdev = wdev;
7740 request->wiphy = &rdev->wiphy;
7741 request->scan_start = jiffies;
7743 rdev->scan_req = request;
7744 err = rdev_scan(rdev, request);
7747 nl80211_send_scan_start(rdev, wdev);
7749 dev_hold(wdev->netdev);
7752 rdev->scan_req = NULL;
7760 static int nl80211_abort_scan(struct sk_buff *skb, struct genl_info *info)
7762 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7763 struct wireless_dev *wdev = info->user_ptr[1];
7765 if (!rdev->ops->abort_scan)
7771 if (!rdev->scan_req)
7774 rdev_abort_scan(rdev, wdev);
7779 nl80211_parse_sched_scan_plans(struct wiphy *wiphy, int n_plans,
7780 struct cfg80211_sched_scan_request *request,
7781 struct nlattr **attrs)
7783 int tmp, err, i = 0;
7784 struct nlattr *attr;
7786 if (!attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
7790 * If scan plans are not specified,
7791 * %NL80211_ATTR_SCHED_SCAN_INTERVAL will be specified. In this
7792 * case one scan plan will be set with the specified scan
7793 * interval and infinite number of iterations.
7795 interval = nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]);
7799 request->scan_plans[0].interval =
7800 DIV_ROUND_UP(interval, MSEC_PER_SEC);
7801 if (!request->scan_plans[0].interval)
7804 if (request->scan_plans[0].interval >
7805 wiphy->max_sched_scan_plan_interval)
7806 request->scan_plans[0].interval =
7807 wiphy->max_sched_scan_plan_interval;
7812 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp) {
7813 struct nlattr *plan[NL80211_SCHED_SCAN_PLAN_MAX + 1];
7815 if (WARN_ON(i >= n_plans))
7818 err = nla_parse_nested_deprecated(plan,
7819 NL80211_SCHED_SCAN_PLAN_MAX,
7820 attr, nl80211_plan_policy,
7825 if (!plan[NL80211_SCHED_SCAN_PLAN_INTERVAL])
7828 request->scan_plans[i].interval =
7829 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_INTERVAL]);
7830 if (!request->scan_plans[i].interval ||
7831 request->scan_plans[i].interval >
7832 wiphy->max_sched_scan_plan_interval)
7835 if (plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]) {
7836 request->scan_plans[i].iterations =
7837 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]);
7838 if (!request->scan_plans[i].iterations ||
7839 (request->scan_plans[i].iterations >
7840 wiphy->max_sched_scan_plan_iterations))
7842 } else if (i < n_plans - 1) {
7844 * All scan plans but the last one must specify
7845 * a finite number of iterations
7854 * The last scan plan must not specify the number of
7855 * iterations, it is supposed to run infinitely
7857 if (request->scan_plans[n_plans - 1].iterations)
7864 nl80211_parse_sched_scan_per_band_rssi(struct wiphy *wiphy,
7865 struct cfg80211_match_set *match_sets,
7866 struct nlattr *tb_band_rssi,
7869 struct nlattr *attr;
7870 int i, tmp, ret = 0;
7872 if (!wiphy_ext_feature_isset(wiphy,
7873 NL80211_EXT_FEATURE_SCHED_SCAN_BAND_SPECIFIC_RSSI_THOLD)) {
7877 for (i = 0; i < NUM_NL80211_BANDS; i++)
7878 match_sets->per_band_rssi_thold[i] =
7879 NL80211_SCAN_RSSI_THOLD_OFF;
7883 for (i = 0; i < NUM_NL80211_BANDS; i++)
7884 match_sets->per_band_rssi_thold[i] = rssi_thold;
7886 nla_for_each_nested(attr, tb_band_rssi, tmp) {
7887 enum nl80211_band band = nla_type(attr);
7889 if (band < 0 || band >= NUM_NL80211_BANDS)
7892 match_sets->per_band_rssi_thold[band] = nla_get_s32(attr);
7898 static struct cfg80211_sched_scan_request *
7899 nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev,
7900 struct nlattr **attrs, int max_match_sets)
7902 struct cfg80211_sched_scan_request *request;
7903 struct nlattr *attr;
7904 int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i, n_plans = 0;
7905 enum nl80211_band band;
7907 struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1];
7908 s32 default_match_rssi = NL80211_SCAN_RSSI_THOLD_OFF;
7910 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
7911 n_channels = validate_scan_freqs(
7912 attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
7914 return ERR_PTR(-EINVAL);
7916 n_channels = ieee80211_get_num_supported_channels(wiphy);
7919 if (attrs[NL80211_ATTR_SCAN_SSIDS])
7920 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
7924 if (n_ssids > wiphy->max_sched_scan_ssids)
7925 return ERR_PTR(-EINVAL);
7928 * First, count the number of 'real' matchsets. Due to an issue with
7929 * the old implementation, matchsets containing only the RSSI attribute
7930 * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default'
7931 * RSSI for all matchsets, rather than their own matchset for reporting
7932 * all APs with a strong RSSI. This is needed to be compatible with
7933 * older userspace that treated a matchset with only the RSSI as the
7934 * global RSSI for all other matchsets - if there are other matchsets.
7936 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
7937 nla_for_each_nested(attr,
7938 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
7940 struct nlattr *rssi;
7942 err = nla_parse_nested_deprecated(tb,
7943 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
7945 nl80211_match_policy,
7948 return ERR_PTR(err);
7950 /* SSID and BSSID are mutually exclusive */
7951 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] &&
7952 tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID])
7953 return ERR_PTR(-EINVAL);
7955 /* add other standalone attributes here */
7956 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] ||
7957 tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID]) {
7961 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
7963 default_match_rssi = nla_get_s32(rssi);
7967 /* However, if there's no other matchset, add the RSSI one */
7968 if (!n_match_sets && default_match_rssi != NL80211_SCAN_RSSI_THOLD_OFF)
7971 if (n_match_sets > max_match_sets)
7972 return ERR_PTR(-EINVAL);
7974 if (attrs[NL80211_ATTR_IE])
7975 ie_len = nla_len(attrs[NL80211_ATTR_IE]);
7979 if (ie_len > wiphy->max_sched_scan_ie_len)
7980 return ERR_PTR(-EINVAL);
7982 if (attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
7984 * NL80211_ATTR_SCHED_SCAN_INTERVAL must not be specified since
7985 * each scan plan already specifies its own interval
7987 if (attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
7988 return ERR_PTR(-EINVAL);
7990 nla_for_each_nested(attr,
7991 attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp)
7995 * The scan interval attribute is kept for backward
7996 * compatibility. If no scan plans are specified and sched scan
7997 * interval is specified, one scan plan will be set with this
7998 * scan interval and infinite number of iterations.
8000 if (!attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
8001 return ERR_PTR(-EINVAL);
8006 if (!n_plans || n_plans > wiphy->max_sched_scan_plans)
8007 return ERR_PTR(-EINVAL);
8009 if (!wiphy_ext_feature_isset(
8010 wiphy, NL80211_EXT_FEATURE_SCHED_SCAN_RELATIVE_RSSI) &&
8011 (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] ||
8012 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]))
8013 return ERR_PTR(-EINVAL);
8015 request = kzalloc(sizeof(*request)
8016 + sizeof(*request->ssids) * n_ssids
8017 + sizeof(*request->match_sets) * n_match_sets
8018 + sizeof(*request->scan_plans) * n_plans
8019 + sizeof(*request->channels) * n_channels
8020 + ie_len, GFP_KERNEL);
8022 return ERR_PTR(-ENOMEM);
8025 request->ssids = (void *)&request->channels[n_channels];
8026 request->n_ssids = n_ssids;
8029 request->ie = (void *)(request->ssids + n_ssids);
8031 request->ie = (void *)(request->channels + n_channels);
8036 request->match_sets = (void *)(request->ie + ie_len);
8038 request->match_sets =
8039 (void *)(request->ssids + n_ssids);
8041 request->match_sets =
8042 (void *)(request->channels + n_channels);
8044 request->n_match_sets = n_match_sets;
8047 request->scan_plans = (void *)(request->match_sets +
8049 else if (request->ie)
8050 request->scan_plans = (void *)(request->ie + ie_len);
8052 request->scan_plans = (void *)(request->ssids + n_ssids);
8054 request->scan_plans = (void *)(request->channels + n_channels);
8056 request->n_scan_plans = n_plans;
8059 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
8060 /* user specified, bail out if channel not found */
8061 nla_for_each_nested(attr,
8062 attrs[NL80211_ATTR_SCAN_FREQUENCIES],
8064 struct ieee80211_channel *chan;
8066 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
8073 /* ignore disabled channels */
8074 if (chan->flags & IEEE80211_CHAN_DISABLED)
8077 request->channels[i] = chan;
8082 for (band = 0; band < NUM_NL80211_BANDS; band++) {
8085 if (!wiphy->bands[band])
8087 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
8088 struct ieee80211_channel *chan;
8090 chan = &wiphy->bands[band]->channels[j];
8092 if (chan->flags & IEEE80211_CHAN_DISABLED)
8095 request->channels[i] = chan;
8106 request->n_channels = i;
8110 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
8112 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
8116 request->ssids[i].ssid_len = nla_len(attr);
8117 memcpy(request->ssids[i].ssid, nla_data(attr),
8124 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
8125 nla_for_each_nested(attr,
8126 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
8128 struct nlattr *ssid, *bssid, *rssi;
8130 err = nla_parse_nested_deprecated(tb,
8131 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
8133 nl80211_match_policy,
8137 ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID];
8138 bssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID];
8140 if (!ssid && !bssid) {
8145 if (WARN_ON(i >= n_match_sets)) {
8146 /* this indicates a programming error,
8147 * the loop above should have verified
8155 if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) {
8159 memcpy(request->match_sets[i].ssid.ssid,
8160 nla_data(ssid), nla_len(ssid));
8161 request->match_sets[i].ssid.ssid_len =
8165 if (nla_len(bssid) != ETH_ALEN) {
8169 memcpy(request->match_sets[i].bssid,
8170 nla_data(bssid), ETH_ALEN);
8173 /* special attribute - old implementation w/a */
8174 request->match_sets[i].rssi_thold = default_match_rssi;
8175 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
8177 request->match_sets[i].rssi_thold =
8180 /* Parse per band RSSI attribute */
8181 err = nl80211_parse_sched_scan_per_band_rssi(wiphy,
8182 &request->match_sets[i],
8183 tb[NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI],
8184 request->match_sets[i].rssi_thold);
8191 /* there was no other matchset, so the RSSI one is alone */
8192 if (i == 0 && n_match_sets)
8193 request->match_sets[0].rssi_thold = default_match_rssi;
8195 request->min_rssi_thold = INT_MAX;
8196 for (i = 0; i < n_match_sets; i++)
8197 request->min_rssi_thold =
8198 min(request->match_sets[i].rssi_thold,
8199 request->min_rssi_thold);
8201 request->min_rssi_thold = NL80211_SCAN_RSSI_THOLD_OFF;
8205 request->ie_len = ie_len;
8206 memcpy((void *)request->ie,
8207 nla_data(attrs[NL80211_ATTR_IE]),
8211 err = nl80211_check_scan_flags(wiphy, wdev, request, attrs, true);
8215 if (attrs[NL80211_ATTR_SCHED_SCAN_DELAY])
8217 nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_DELAY]);
8219 if (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]) {
8220 request->relative_rssi = nla_get_s8(
8221 attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]);
8222 request->relative_rssi_set = true;
8225 if (request->relative_rssi_set &&
8226 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]) {
8227 struct nl80211_bss_select_rssi_adjust *rssi_adjust;
8229 rssi_adjust = nla_data(
8230 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]);
8231 request->rssi_adjust.band = rssi_adjust->band;
8232 request->rssi_adjust.delta = rssi_adjust->delta;
8233 if (!is_band_valid(wiphy, request->rssi_adjust.band)) {
8239 err = nl80211_parse_sched_scan_plans(wiphy, n_plans, request, attrs);
8243 request->scan_start = jiffies;
8249 return ERR_PTR(err);
8252 static int nl80211_start_sched_scan(struct sk_buff *skb,
8253 struct genl_info *info)
8255 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8256 struct net_device *dev = info->user_ptr[1];
8257 struct wireless_dev *wdev = dev->ieee80211_ptr;
8258 struct cfg80211_sched_scan_request *sched_scan_req;
8262 if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_start)
8265 want_multi = info->attrs[NL80211_ATTR_SCHED_SCAN_MULTI];
8266 err = cfg80211_sched_scan_req_possible(rdev, want_multi);
8270 sched_scan_req = nl80211_parse_sched_scan(&rdev->wiphy, wdev,
8272 rdev->wiphy.max_match_sets);
8274 err = PTR_ERR_OR_ZERO(sched_scan_req);
8278 /* leave request id zero for legacy request
8279 * or if driver does not support multi-scheduled scan
8281 if (want_multi && rdev->wiphy.max_sched_scan_reqs > 1)
8282 sched_scan_req->reqid = cfg80211_assign_cookie(rdev);
8284 err = rdev_sched_scan_start(rdev, dev, sched_scan_req);
8288 sched_scan_req->dev = dev;
8289 sched_scan_req->wiphy = &rdev->wiphy;
8291 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
8292 sched_scan_req->owner_nlportid = info->snd_portid;
8294 cfg80211_add_sched_scan_req(rdev, sched_scan_req);
8296 nl80211_send_sched_scan(sched_scan_req, NL80211_CMD_START_SCHED_SCAN);
8300 kfree(sched_scan_req);
8305 static int nl80211_stop_sched_scan(struct sk_buff *skb,
8306 struct genl_info *info)
8308 struct cfg80211_sched_scan_request *req;
8309 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8312 if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_stop)
8315 if (info->attrs[NL80211_ATTR_COOKIE]) {
8316 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
8317 return __cfg80211_stop_sched_scan(rdev, cookie, false);
8320 req = list_first_or_null_rcu(&rdev->sched_scan_req_list,
8321 struct cfg80211_sched_scan_request,
8323 if (!req || req->reqid ||
8324 (req->owner_nlportid &&
8325 req->owner_nlportid != info->snd_portid))
8328 return cfg80211_stop_sched_scan_req(rdev, req, false);
8331 static int nl80211_start_radar_detection(struct sk_buff *skb,
8332 struct genl_info *info)
8334 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8335 struct net_device *dev = info->user_ptr[1];
8336 struct wireless_dev *wdev = dev->ieee80211_ptr;
8337 struct wiphy *wiphy = wdev->wiphy;
8338 struct cfg80211_chan_def chandef;
8339 enum nl80211_dfs_regions dfs_region;
8340 unsigned int cac_time_ms;
8343 dfs_region = reg_get_dfs_region(wiphy);
8344 if (dfs_region == NL80211_DFS_UNSET)
8347 err = nl80211_parse_chandef(rdev, info, &chandef);
8351 if (netif_carrier_ok(dev))
8354 if (wdev->cac_started)
8357 err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype);
8364 if (!cfg80211_chandef_dfs_usable(wiphy, &chandef))
8367 /* CAC start is offloaded to HW and can't be started manually */
8368 if (wiphy_ext_feature_isset(wiphy, NL80211_EXT_FEATURE_DFS_OFFLOAD))
8371 if (!rdev->ops->start_radar_detection)
8374 cac_time_ms = cfg80211_chandef_dfs_cac_time(&rdev->wiphy, &chandef);
8375 if (WARN_ON(!cac_time_ms))
8376 cac_time_ms = IEEE80211_DFS_MIN_CAC_TIME_MS;
8378 err = rdev_start_radar_detection(rdev, dev, &chandef, cac_time_ms);
8380 wdev->chandef = chandef;
8381 wdev->cac_started = true;
8382 wdev->cac_start_time = jiffies;
8383 wdev->cac_time_ms = cac_time_ms;
8388 static int nl80211_notify_radar_detection(struct sk_buff *skb,
8389 struct genl_info *info)
8391 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8392 struct net_device *dev = info->user_ptr[1];
8393 struct wireless_dev *wdev = dev->ieee80211_ptr;
8394 struct wiphy *wiphy = wdev->wiphy;
8395 struct cfg80211_chan_def chandef;
8396 enum nl80211_dfs_regions dfs_region;
8399 dfs_region = reg_get_dfs_region(wiphy);
8400 if (dfs_region == NL80211_DFS_UNSET) {
8401 GENL_SET_ERR_MSG(info,
8402 "DFS Region is not set. Unexpected Radar indication");
8406 err = nl80211_parse_chandef(rdev, info, &chandef);
8408 GENL_SET_ERR_MSG(info, "Unable to extract chandef info");
8412 err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype);
8414 GENL_SET_ERR_MSG(info, "chandef is invalid");
8419 GENL_SET_ERR_MSG(info,
8420 "Unexpected Radar indication for chandef/iftype");
8424 /* Do not process this notification if radar is already detected
8425 * by kernel on this channel, and return success.
8427 if (chandef.chan->dfs_state == NL80211_DFS_UNAVAILABLE)
8430 cfg80211_set_dfs_state(wiphy, &chandef, NL80211_DFS_UNAVAILABLE);
8432 cfg80211_sched_dfs_chan_update(rdev);
8434 rdev->radar_chandef = chandef;
8436 /* Propagate this notification to other radios as well */
8437 queue_work(cfg80211_wq, &rdev->propagate_radar_detect_wk);
8442 static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info)
8444 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8445 struct net_device *dev = info->user_ptr[1];
8446 struct wireless_dev *wdev = dev->ieee80211_ptr;
8447 struct cfg80211_csa_settings params;
8448 /* csa_attrs is defined static to avoid waste of stack size - this
8449 * function is called under RTNL lock, so this should not be a problem.
8451 static struct nlattr *csa_attrs[NL80211_ATTR_MAX+1];
8453 bool need_new_beacon = false;
8454 bool need_handle_dfs_flag = true;
8458 if (!rdev->ops->channel_switch ||
8459 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH))
8462 switch (dev->ieee80211_ptr->iftype) {
8463 case NL80211_IFTYPE_AP:
8464 case NL80211_IFTYPE_P2P_GO:
8465 need_new_beacon = true;
8466 /* For all modes except AP the handle_dfs flag needs to be
8467 * supplied to tell the kernel that userspace will handle radar
8468 * events when they happen. Otherwise a switch to a channel
8469 * requiring DFS will be rejected.
8471 need_handle_dfs_flag = false;
8473 /* useless if AP is not running */
8474 if (!wdev->beacon_interval)
8477 case NL80211_IFTYPE_ADHOC:
8478 if (!wdev->ssid_len)
8481 case NL80211_IFTYPE_MESH_POINT:
8482 if (!wdev->mesh_id_len)
8489 memset(¶ms, 0, sizeof(params));
8490 params.beacon_csa.ftm_responder = -1;
8492 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
8493 !info->attrs[NL80211_ATTR_CH_SWITCH_COUNT])
8496 /* only important for AP, IBSS and mesh create IEs internally */
8497 if (need_new_beacon && !info->attrs[NL80211_ATTR_CSA_IES])
8500 /* Even though the attribute is u32, the specification says
8501 * u8, so let's make sure we don't overflow.
8503 cs_count = nla_get_u32(info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]);
8507 params.count = cs_count;
8509 if (!need_new_beacon)
8512 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms.beacon_after);
8516 err = nla_parse_nested_deprecated(csa_attrs, NL80211_ATTR_MAX,
8517 info->attrs[NL80211_ATTR_CSA_IES],
8518 nl80211_policy, info->extack);
8522 err = nl80211_parse_beacon(rdev, csa_attrs, ¶ms.beacon_csa);
8526 if (!csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON])
8529 len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]);
8530 if (!len || (len % sizeof(u16)))
8533 params.n_counter_offsets_beacon = len / sizeof(u16);
8534 if (rdev->wiphy.max_num_csa_counters &&
8535 (params.n_counter_offsets_beacon >
8536 rdev->wiphy.max_num_csa_counters))
8539 params.counter_offsets_beacon =
8540 nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]);
8542 /* sanity checks - counters should fit and be the same */
8543 for (i = 0; i < params.n_counter_offsets_beacon; i++) {
8544 u16 offset = params.counter_offsets_beacon[i];
8546 if (offset >= params.beacon_csa.tail_len)
8549 if (params.beacon_csa.tail[offset] != params.count)
8553 if (csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]) {
8554 len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]);
8555 if (!len || (len % sizeof(u16)))
8558 params.n_counter_offsets_presp = len / sizeof(u16);
8559 if (rdev->wiphy.max_num_csa_counters &&
8560 (params.n_counter_offsets_presp >
8561 rdev->wiphy.max_num_csa_counters))
8564 params.counter_offsets_presp =
8565 nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]);
8567 /* sanity checks - counters should fit and be the same */
8568 for (i = 0; i < params.n_counter_offsets_presp; i++) {
8569 u16 offset = params.counter_offsets_presp[i];
8571 if (offset >= params.beacon_csa.probe_resp_len)
8574 if (params.beacon_csa.probe_resp[offset] !=
8581 err = nl80211_parse_chandef(rdev, info, ¶ms.chandef);
8585 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef,
8589 err = cfg80211_chandef_dfs_required(wdev->wiphy,
8596 params.radar_required = true;
8597 if (need_handle_dfs_flag &&
8598 !nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS])) {
8603 if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX])
8604 params.block_tx = true;
8607 err = rdev_channel_switch(rdev, dev, ¶ms);
8613 static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
8615 struct cfg80211_registered_device *rdev,
8616 struct wireless_dev *wdev,
8617 struct cfg80211_internal_bss *intbss)
8619 struct cfg80211_bss *res = &intbss->pub;
8620 const struct cfg80211_bss_ies *ies;
8624 ASSERT_WDEV_LOCK(wdev);
8626 hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
8627 NL80211_CMD_NEW_SCAN_RESULTS);
8631 genl_dump_check_consistent(cb, hdr);
8633 if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation))
8634 goto nla_put_failure;
8636 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex))
8637 goto nla_put_failure;
8638 if (nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
8640 goto nla_put_failure;
8642 bss = nla_nest_start_noflag(msg, NL80211_ATTR_BSS);
8644 goto nla_put_failure;
8645 if ((!is_zero_ether_addr(res->bssid) &&
8646 nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid)))
8647 goto nla_put_failure;
8650 /* indicate whether we have probe response data or not */
8651 if (rcu_access_pointer(res->proberesp_ies) &&
8652 nla_put_flag(msg, NL80211_BSS_PRESP_DATA))
8653 goto fail_unlock_rcu;
8655 /* this pointer prefers to be pointed to probe response data
8656 * but is always valid
8658 ies = rcu_dereference(res->ies);
8660 if (nla_put_u64_64bit(msg, NL80211_BSS_TSF, ies->tsf,
8662 goto fail_unlock_rcu;
8663 if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS,
8664 ies->len, ies->data))
8665 goto fail_unlock_rcu;
8668 /* and this pointer is always (unless driver didn't know) beacon data */
8669 ies = rcu_dereference(res->beacon_ies);
8670 if (ies && ies->from_beacon) {
8671 if (nla_put_u64_64bit(msg, NL80211_BSS_BEACON_TSF, ies->tsf,
8673 goto fail_unlock_rcu;
8674 if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES,
8675 ies->len, ies->data))
8676 goto fail_unlock_rcu;
8680 if (res->beacon_interval &&
8681 nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval))
8682 goto nla_put_failure;
8683 if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) ||
8684 nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) ||
8685 nla_put_u32(msg, NL80211_BSS_CHAN_WIDTH, res->scan_width) ||
8686 nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO,
8687 jiffies_to_msecs(jiffies - intbss->ts)))
8688 goto nla_put_failure;
8690 if (intbss->parent_tsf &&
8691 (nla_put_u64_64bit(msg, NL80211_BSS_PARENT_TSF,
8692 intbss->parent_tsf, NL80211_BSS_PAD) ||
8693 nla_put(msg, NL80211_BSS_PARENT_BSSID, ETH_ALEN,
8694 intbss->parent_bssid)))
8695 goto nla_put_failure;
8697 if (intbss->ts_boottime &&
8698 nla_put_u64_64bit(msg, NL80211_BSS_LAST_SEEN_BOOTTIME,
8699 intbss->ts_boottime, NL80211_BSS_PAD))
8700 goto nla_put_failure;
8702 if (!nl80211_put_signal(msg, intbss->pub.chains,
8703 intbss->pub.chain_signal,
8704 NL80211_BSS_CHAIN_SIGNAL))
8705 goto nla_put_failure;
8707 switch (rdev->wiphy.signal_type) {
8708 case CFG80211_SIGNAL_TYPE_MBM:
8709 if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal))
8710 goto nla_put_failure;
8712 case CFG80211_SIGNAL_TYPE_UNSPEC:
8713 if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal))
8714 goto nla_put_failure;
8720 switch (wdev->iftype) {
8721 case NL80211_IFTYPE_P2P_CLIENT:
8722 case NL80211_IFTYPE_STATION:
8723 if (intbss == wdev->current_bss &&
8724 nla_put_u32(msg, NL80211_BSS_STATUS,
8725 NL80211_BSS_STATUS_ASSOCIATED))
8726 goto nla_put_failure;
8728 case NL80211_IFTYPE_ADHOC:
8729 if (intbss == wdev->current_bss &&
8730 nla_put_u32(msg, NL80211_BSS_STATUS,
8731 NL80211_BSS_STATUS_IBSS_JOINED))
8732 goto nla_put_failure;
8738 nla_nest_end(msg, bss);
8740 genlmsg_end(msg, hdr);
8746 genlmsg_cancel(msg, hdr);
8750 static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb)
8752 struct cfg80211_registered_device *rdev;
8753 struct cfg80211_internal_bss *scan;
8754 struct wireless_dev *wdev;
8755 int start = cb->args[2], idx = 0;
8759 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
8766 spin_lock_bh(&rdev->bss_lock);
8769 * dump_scan will be called multiple times to break up the scan results
8770 * into multiple messages. It is unlikely that any more bss-es will be
8771 * expired after the first call, so only call only call this on the
8772 * first dump_scan invocation.
8775 cfg80211_bss_expire(rdev);
8777 cb->seq = rdev->bss_generation;
8779 list_for_each_entry(scan, &rdev->bss_list, list) {
8782 if (nl80211_send_bss(skb, cb,
8783 cb->nlh->nlmsg_seq, NLM_F_MULTI,
8784 rdev, wdev, scan) < 0) {
8790 spin_unlock_bh(&rdev->bss_lock);
8799 static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq,
8800 int flags, struct net_device *dev,
8801 bool allow_radio_stats,
8802 struct survey_info *survey)
8805 struct nlattr *infoattr;
8807 /* skip radio stats if userspace didn't request them */
8808 if (!survey->channel && !allow_radio_stats)
8811 hdr = nl80211hdr_put(msg, portid, seq, flags,
8812 NL80211_CMD_NEW_SURVEY_RESULTS);
8816 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
8817 goto nla_put_failure;
8819 infoattr = nla_nest_start_noflag(msg, NL80211_ATTR_SURVEY_INFO);
8821 goto nla_put_failure;
8823 if (survey->channel &&
8824 nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY,
8825 survey->channel->center_freq))
8826 goto nla_put_failure;
8828 if ((survey->filled & SURVEY_INFO_NOISE_DBM) &&
8829 nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise))
8830 goto nla_put_failure;
8831 if ((survey->filled & SURVEY_INFO_IN_USE) &&
8832 nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE))
8833 goto nla_put_failure;
8834 if ((survey->filled & SURVEY_INFO_TIME) &&
8835 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME,
8836 survey->time, NL80211_SURVEY_INFO_PAD))
8837 goto nla_put_failure;
8838 if ((survey->filled & SURVEY_INFO_TIME_BUSY) &&
8839 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BUSY,
8840 survey->time_busy, NL80211_SURVEY_INFO_PAD))
8841 goto nla_put_failure;
8842 if ((survey->filled & SURVEY_INFO_TIME_EXT_BUSY) &&
8843 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_EXT_BUSY,
8844 survey->time_ext_busy, NL80211_SURVEY_INFO_PAD))
8845 goto nla_put_failure;
8846 if ((survey->filled & SURVEY_INFO_TIME_RX) &&
8847 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_RX,
8848 survey->time_rx, NL80211_SURVEY_INFO_PAD))
8849 goto nla_put_failure;
8850 if ((survey->filled & SURVEY_INFO_TIME_TX) &&
8851 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_TX,
8852 survey->time_tx, NL80211_SURVEY_INFO_PAD))
8853 goto nla_put_failure;
8854 if ((survey->filled & SURVEY_INFO_TIME_SCAN) &&
8855 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_SCAN,
8856 survey->time_scan, NL80211_SURVEY_INFO_PAD))
8857 goto nla_put_failure;
8858 if ((survey->filled & SURVEY_INFO_TIME_BSS_RX) &&
8859 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BSS_RX,
8860 survey->time_bss_rx, NL80211_SURVEY_INFO_PAD))
8861 goto nla_put_failure;
8863 nla_nest_end(msg, infoattr);
8865 genlmsg_end(msg, hdr);
8869 genlmsg_cancel(msg, hdr);
8873 static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb)
8875 struct nlattr **attrbuf;
8876 struct survey_info survey;
8877 struct cfg80211_registered_device *rdev;
8878 struct wireless_dev *wdev;
8879 int survey_idx = cb->args[2];
8883 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf), GFP_KERNEL);
8888 res = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
8892 /* prepare_wdev_dump parsed the attributes */
8893 radio_stats = attrbuf[NL80211_ATTR_SURVEY_RADIO_STATS];
8895 if (!wdev->netdev) {
8900 if (!rdev->ops->dump_survey) {
8906 res = rdev_dump_survey(rdev, wdev->netdev, survey_idx, &survey);
8912 /* don't send disabled channels, but do send non-channel data */
8913 if (survey.channel &&
8914 survey.channel->flags & IEEE80211_CHAN_DISABLED) {
8919 if (nl80211_send_survey(skb,
8920 NETLINK_CB(cb->skb).portid,
8921 cb->nlh->nlmsg_seq, NLM_F_MULTI,
8922 wdev->netdev, radio_stats, &survey) < 0)
8928 cb->args[2] = survey_idx;
8936 static bool nl80211_valid_wpa_versions(u32 wpa_versions)
8938 return !(wpa_versions & ~(NL80211_WPA_VERSION_1 |
8939 NL80211_WPA_VERSION_2 |
8940 NL80211_WPA_VERSION_3));
8943 static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
8945 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8946 struct net_device *dev = info->user_ptr[1];
8947 struct ieee80211_channel *chan;
8948 const u8 *bssid, *ssid, *ie = NULL, *auth_data = NULL;
8949 int err, ssid_len, ie_len = 0, auth_data_len = 0;
8950 enum nl80211_auth_type auth_type;
8951 struct key_parse key;
8952 bool local_state_change;
8954 if (!info->attrs[NL80211_ATTR_MAC])
8957 if (!info->attrs[NL80211_ATTR_AUTH_TYPE])
8960 if (!info->attrs[NL80211_ATTR_SSID])
8963 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
8966 err = nl80211_parse_key(info, &key);
8971 if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP)
8973 if (!key.p.key || !key.p.key_len)
8975 if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 ||
8976 key.p.key_len != WLAN_KEY_LEN_WEP40) &&
8977 (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 ||
8978 key.p.key_len != WLAN_KEY_LEN_WEP104))
8991 for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) {
8992 if (key.p.cipher == rdev->wiphy.cipher_suites[i]) {
9001 if (!rdev->ops->auth)
9004 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
9005 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9008 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
9009 chan = nl80211_get_valid_chan(&rdev->wiphy,
9010 info->attrs[NL80211_ATTR_WIPHY_FREQ]);
9014 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
9015 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
9017 if (info->attrs[NL80211_ATTR_IE]) {
9018 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9019 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9022 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
9023 if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE))
9026 if ((auth_type == NL80211_AUTHTYPE_SAE ||
9027 auth_type == NL80211_AUTHTYPE_FILS_SK ||
9028 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
9029 auth_type == NL80211_AUTHTYPE_FILS_PK) &&
9030 !info->attrs[NL80211_ATTR_AUTH_DATA])
9033 if (info->attrs[NL80211_ATTR_AUTH_DATA]) {
9034 if (auth_type != NL80211_AUTHTYPE_SAE &&
9035 auth_type != NL80211_AUTHTYPE_FILS_SK &&
9036 auth_type != NL80211_AUTHTYPE_FILS_SK_PFS &&
9037 auth_type != NL80211_AUTHTYPE_FILS_PK)
9039 auth_data = nla_data(info->attrs[NL80211_ATTR_AUTH_DATA]);
9040 auth_data_len = nla_len(info->attrs[NL80211_ATTR_AUTH_DATA]);
9041 /* need to include at least Auth Transaction and Status Code */
9042 if (auth_data_len < 4)
9046 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
9049 * Since we no longer track auth state, ignore
9050 * requests to only change local state.
9052 if (local_state_change)
9055 wdev_lock(dev->ieee80211_ptr);
9056 err = cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid,
9057 ssid, ssid_len, ie, ie_len,
9058 key.p.key, key.p.key_len, key.idx,
9059 auth_data, auth_data_len);
9060 wdev_unlock(dev->ieee80211_ptr);
9064 static int validate_pae_over_nl80211(struct cfg80211_registered_device *rdev,
9065 struct genl_info *info)
9067 if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
9068 GENL_SET_ERR_MSG(info, "SOCKET_OWNER not set");
9072 if (!rdev->ops->tx_control_port ||
9073 !wiphy_ext_feature_isset(&rdev->wiphy,
9074 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
9080 static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
9081 struct genl_info *info,
9082 struct cfg80211_crypto_settings *settings,
9085 memset(settings, 0, sizeof(*settings));
9087 settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT];
9089 if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
9092 proto = nla_get_u16(
9093 info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
9094 settings->control_port_ethertype = cpu_to_be16(proto);
9095 if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
9098 if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT])
9099 settings->control_port_no_encrypt = true;
9101 settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE);
9103 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
9104 int r = validate_pae_over_nl80211(rdev, info);
9109 settings->control_port_over_nl80211 = true;
9112 if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) {
9116 data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
9117 len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
9118 settings->n_ciphers_pairwise = len / sizeof(u32);
9120 if (len % sizeof(u32))
9123 if (settings->n_ciphers_pairwise > cipher_limit)
9126 memcpy(settings->ciphers_pairwise, data, len);
9128 for (i = 0; i < settings->n_ciphers_pairwise; i++)
9129 if (!cfg80211_supported_cipher_suite(
9131 settings->ciphers_pairwise[i]))
9135 if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) {
9136 settings->cipher_group =
9137 nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]);
9138 if (!cfg80211_supported_cipher_suite(&rdev->wiphy,
9139 settings->cipher_group))
9143 if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) {
9144 settings->wpa_versions =
9145 nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]);
9146 if (!nl80211_valid_wpa_versions(settings->wpa_versions))
9150 if (info->attrs[NL80211_ATTR_AKM_SUITES]) {
9154 data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]);
9155 len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]);
9156 settings->n_akm_suites = len / sizeof(u32);
9158 if (len % sizeof(u32))
9161 if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES)
9164 memcpy(settings->akm_suites, data, len);
9167 if (info->attrs[NL80211_ATTR_PMK]) {
9168 if (nla_len(info->attrs[NL80211_ATTR_PMK]) != WLAN_PMK_LEN)
9170 if (!wiphy_ext_feature_isset(&rdev->wiphy,
9171 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_PSK))
9173 settings->psk = nla_data(info->attrs[NL80211_ATTR_PMK]);
9176 if (info->attrs[NL80211_ATTR_SAE_PASSWORD]) {
9177 if (!wiphy_ext_feature_isset(&rdev->wiphy,
9178 NL80211_EXT_FEATURE_SAE_OFFLOAD))
9181 nla_data(info->attrs[NL80211_ATTR_SAE_PASSWORD]);
9182 settings->sae_pwd_len =
9183 nla_len(info->attrs[NL80211_ATTR_SAE_PASSWORD]);
9189 static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
9191 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9192 struct net_device *dev = info->user_ptr[1];
9193 struct ieee80211_channel *chan;
9194 struct cfg80211_assoc_request req = {};
9195 const u8 *bssid, *ssid;
9196 int err, ssid_len = 0;
9198 if (dev->ieee80211_ptr->conn_owner_nlportid &&
9199 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
9202 if (!info->attrs[NL80211_ATTR_MAC] ||
9203 !info->attrs[NL80211_ATTR_SSID] ||
9204 !info->attrs[NL80211_ATTR_WIPHY_FREQ])
9207 if (!rdev->ops->assoc)
9210 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
9211 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9214 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
9216 chan = nl80211_get_valid_chan(&rdev->wiphy,
9217 info->attrs[NL80211_ATTR_WIPHY_FREQ]);
9221 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
9222 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
9224 if (info->attrs[NL80211_ATTR_IE]) {
9225 req.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9226 req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9229 if (info->attrs[NL80211_ATTR_USE_MFP]) {
9230 enum nl80211_mfp mfp =
9231 nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
9232 if (mfp == NL80211_MFP_REQUIRED)
9234 else if (mfp != NL80211_MFP_NO)
9238 if (info->attrs[NL80211_ATTR_PREV_BSSID])
9239 req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
9241 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
9242 req.flags |= ASSOC_REQ_DISABLE_HT;
9244 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
9245 memcpy(&req.ht_capa_mask,
9246 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
9247 sizeof(req.ht_capa_mask));
9249 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
9250 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
9252 memcpy(&req.ht_capa,
9253 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
9254 sizeof(req.ht_capa));
9257 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
9258 req.flags |= ASSOC_REQ_DISABLE_VHT;
9260 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
9261 memcpy(&req.vht_capa_mask,
9262 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
9263 sizeof(req.vht_capa_mask));
9265 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
9266 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
9268 memcpy(&req.vht_capa,
9269 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
9270 sizeof(req.vht_capa));
9273 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
9274 if (!((rdev->wiphy.features &
9275 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
9276 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
9277 !wiphy_ext_feature_isset(&rdev->wiphy,
9278 NL80211_EXT_FEATURE_RRM))
9280 req.flags |= ASSOC_REQ_USE_RRM;
9283 if (info->attrs[NL80211_ATTR_FILS_KEK]) {
9284 req.fils_kek = nla_data(info->attrs[NL80211_ATTR_FILS_KEK]);
9285 req.fils_kek_len = nla_len(info->attrs[NL80211_ATTR_FILS_KEK]);
9286 if (!info->attrs[NL80211_ATTR_FILS_NONCES])
9289 nla_data(info->attrs[NL80211_ATTR_FILS_NONCES]);
9292 err = nl80211_crypto_settings(rdev, info, &req.crypto, 1);
9294 wdev_lock(dev->ieee80211_ptr);
9296 err = cfg80211_mlme_assoc(rdev, dev, chan, bssid,
9297 ssid, ssid_len, &req);
9299 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
9300 dev->ieee80211_ptr->conn_owner_nlportid =
9302 memcpy(dev->ieee80211_ptr->disconnect_bssid,
9306 wdev_unlock(dev->ieee80211_ptr);
9312 static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
9314 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9315 struct net_device *dev = info->user_ptr[1];
9316 const u8 *ie = NULL, *bssid;
9317 int ie_len = 0, err;
9319 bool local_state_change;
9321 if (dev->ieee80211_ptr->conn_owner_nlportid &&
9322 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
9325 if (!info->attrs[NL80211_ATTR_MAC])
9328 if (!info->attrs[NL80211_ATTR_REASON_CODE])
9331 if (!rdev->ops->deauth)
9334 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
9335 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9338 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
9340 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
9341 if (reason_code == 0) {
9342 /* Reason Code 0 is reserved */
9346 if (info->attrs[NL80211_ATTR_IE]) {
9347 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9348 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9351 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
9353 wdev_lock(dev->ieee80211_ptr);
9354 err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code,
9355 local_state_change);
9356 wdev_unlock(dev->ieee80211_ptr);
9360 static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
9362 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9363 struct net_device *dev = info->user_ptr[1];
9364 const u8 *ie = NULL, *bssid;
9365 int ie_len = 0, err;
9367 bool local_state_change;
9369 if (dev->ieee80211_ptr->conn_owner_nlportid &&
9370 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
9373 if (!info->attrs[NL80211_ATTR_MAC])
9376 if (!info->attrs[NL80211_ATTR_REASON_CODE])
9379 if (!rdev->ops->disassoc)
9382 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
9383 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9386 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
9388 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
9389 if (reason_code == 0) {
9390 /* Reason Code 0 is reserved */
9394 if (info->attrs[NL80211_ATTR_IE]) {
9395 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9396 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9399 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
9401 wdev_lock(dev->ieee80211_ptr);
9402 err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code,
9403 local_state_change);
9404 wdev_unlock(dev->ieee80211_ptr);
9409 nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev,
9410 int mcast_rate[NUM_NL80211_BANDS],
9413 struct wiphy *wiphy = &rdev->wiphy;
9417 for (band = 0; band < NUM_NL80211_BANDS; band++) {
9418 struct ieee80211_supported_band *sband;
9420 sband = wiphy->bands[band];
9424 for (i = 0; i < sband->n_bitrates; i++) {
9425 if (sband->bitrates[i].bitrate == rateval) {
9426 mcast_rate[band] = i + 1;
9436 static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
9438 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9439 struct net_device *dev = info->user_ptr[1];
9440 struct cfg80211_ibss_params ibss;
9441 struct wiphy *wiphy;
9442 struct cfg80211_cached_keys *connkeys = NULL;
9445 memset(&ibss, 0, sizeof(ibss));
9447 if (!info->attrs[NL80211_ATTR_SSID] ||
9448 !nla_len(info->attrs[NL80211_ATTR_SSID]))
9451 ibss.beacon_interval = 100;
9453 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL])
9454 ibss.beacon_interval =
9455 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
9457 err = cfg80211_validate_beacon_int(rdev, NL80211_IFTYPE_ADHOC,
9458 ibss.beacon_interval);
9462 if (!rdev->ops->join_ibss)
9465 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
9468 wiphy = &rdev->wiphy;
9470 if (info->attrs[NL80211_ATTR_MAC]) {
9471 ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
9473 if (!is_valid_ether_addr(ibss.bssid))
9476 ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
9477 ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
9479 if (info->attrs[NL80211_ATTR_IE]) {
9480 ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9481 ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9484 err = nl80211_parse_chandef(rdev, info, &ibss.chandef);
9488 if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef,
9489 NL80211_IFTYPE_ADHOC))
9492 switch (ibss.chandef.width) {
9493 case NL80211_CHAN_WIDTH_5:
9494 case NL80211_CHAN_WIDTH_10:
9495 case NL80211_CHAN_WIDTH_20_NOHT:
9497 case NL80211_CHAN_WIDTH_20:
9498 case NL80211_CHAN_WIDTH_40:
9499 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
9502 case NL80211_CHAN_WIDTH_80:
9503 case NL80211_CHAN_WIDTH_80P80:
9504 case NL80211_CHAN_WIDTH_160:
9505 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
9507 if (!wiphy_ext_feature_isset(&rdev->wiphy,
9508 NL80211_EXT_FEATURE_VHT_IBSS))
9515 ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED];
9516 ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
9518 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
9520 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
9522 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
9523 struct ieee80211_supported_band *sband =
9524 wiphy->bands[ibss.chandef.chan->band];
9526 err = ieee80211_get_ratemask(sband, rates, n_rates,
9532 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
9533 memcpy(&ibss.ht_capa_mask,
9534 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
9535 sizeof(ibss.ht_capa_mask));
9537 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
9538 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
9540 memcpy(&ibss.ht_capa,
9541 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
9542 sizeof(ibss.ht_capa));
9545 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
9546 !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate,
9547 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
9550 if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) {
9553 connkeys = nl80211_parse_connkeys(rdev, info, &no_ht);
9554 if (IS_ERR(connkeys))
9555 return PTR_ERR(connkeys);
9557 if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) &&
9565 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]);
9567 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
9568 int r = validate_pae_over_nl80211(rdev, info);
9575 ibss.control_port_over_nl80211 = true;
9578 ibss.userspace_handles_dfs =
9579 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
9581 wdev_lock(dev->ieee80211_ptr);
9582 err = __cfg80211_join_ibss(rdev, dev, &ibss, connkeys);
9585 else if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
9586 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
9587 wdev_unlock(dev->ieee80211_ptr);
9592 static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info)
9594 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9595 struct net_device *dev = info->user_ptr[1];
9597 if (!rdev->ops->leave_ibss)
9600 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
9603 return cfg80211_leave_ibss(rdev, dev, false);
9606 static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info)
9608 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9609 struct net_device *dev = info->user_ptr[1];
9610 int mcast_rate[NUM_NL80211_BANDS];
9614 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
9615 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
9616 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB)
9619 if (!rdev->ops->set_mcast_rate)
9622 memset(mcast_rate, 0, sizeof(mcast_rate));
9624 if (!info->attrs[NL80211_ATTR_MCAST_RATE])
9627 nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]);
9628 if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate))
9631 err = rdev_set_mcast_rate(rdev, dev, mcast_rate);
9636 static struct sk_buff *
9637 __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev,
9638 struct wireless_dev *wdev, int approxlen,
9639 u32 portid, u32 seq, enum nl80211_commands cmd,
9640 enum nl80211_attrs attr,
9641 const struct nl80211_vendor_cmd_info *info,
9644 struct sk_buff *skb;
9646 struct nlattr *data;
9648 skb = nlmsg_new(approxlen + 100, gfp);
9652 hdr = nl80211hdr_put(skb, portid, seq, 0, cmd);
9658 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
9659 goto nla_put_failure;
9662 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_ID,
9664 goto nla_put_failure;
9665 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_SUBCMD,
9667 goto nla_put_failure;
9671 if (nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
9672 wdev_id(wdev), NL80211_ATTR_PAD))
9673 goto nla_put_failure;
9675 nla_put_u32(skb, NL80211_ATTR_IFINDEX,
9676 wdev->netdev->ifindex))
9677 goto nla_put_failure;
9680 data = nla_nest_start_noflag(skb, attr);
9682 goto nla_put_failure;
9684 ((void **)skb->cb)[0] = rdev;
9685 ((void **)skb->cb)[1] = hdr;
9686 ((void **)skb->cb)[2] = data;
9695 struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy,
9696 struct wireless_dev *wdev,
9697 enum nl80211_commands cmd,
9698 enum nl80211_attrs attr,
9699 unsigned int portid,
9700 int vendor_event_idx,
9701 int approxlen, gfp_t gfp)
9703 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
9704 const struct nl80211_vendor_cmd_info *info;
9707 case NL80211_CMD_TESTMODE:
9708 if (WARN_ON(vendor_event_idx != -1))
9712 case NL80211_CMD_VENDOR:
9713 if (WARN_ON(vendor_event_idx < 0 ||
9714 vendor_event_idx >= wiphy->n_vendor_events))
9716 info = &wiphy->vendor_events[vendor_event_idx];
9723 return __cfg80211_alloc_vendor_skb(rdev, wdev, approxlen, portid, 0,
9724 cmd, attr, info, gfp);
9726 EXPORT_SYMBOL(__cfg80211_alloc_event_skb);
9728 void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp)
9730 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
9731 void *hdr = ((void **)skb->cb)[1];
9732 struct nlmsghdr *nlhdr = nlmsg_hdr(skb);
9733 struct nlattr *data = ((void **)skb->cb)[2];
9734 enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE;
9736 /* clear CB data for netlink core to own from now on */
9737 memset(skb->cb, 0, sizeof(skb->cb));
9739 nla_nest_end(skb, data);
9740 genlmsg_end(skb, hdr);
9742 if (nlhdr->nlmsg_pid) {
9743 genlmsg_unicast(wiphy_net(&rdev->wiphy), skb,
9746 if (data->nla_type == NL80211_ATTR_VENDOR_DATA)
9747 mcgrp = NL80211_MCGRP_VENDOR;
9749 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
9750 skb, 0, mcgrp, gfp);
9753 EXPORT_SYMBOL(__cfg80211_send_event_skb);
9755 #ifdef CONFIG_NL80211_TESTMODE
9756 static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info)
9758 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9759 struct wireless_dev *wdev =
9760 __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs);
9763 if (!rdev->ops->testmode_cmd)
9767 err = PTR_ERR(wdev);
9771 } else if (wdev->wiphy != &rdev->wiphy) {
9775 if (!info->attrs[NL80211_ATTR_TESTDATA])
9778 rdev->cur_cmd_info = info;
9779 err = rdev_testmode_cmd(rdev, wdev,
9780 nla_data(info->attrs[NL80211_ATTR_TESTDATA]),
9781 nla_len(info->attrs[NL80211_ATTR_TESTDATA]));
9782 rdev->cur_cmd_info = NULL;
9787 static int nl80211_testmode_dump(struct sk_buff *skb,
9788 struct netlink_callback *cb)
9790 struct cfg80211_registered_device *rdev;
9791 struct nlattr **attrbuf = NULL;
9801 * 0 is a valid index, but not valid for args[0],
9802 * so we need to offset by 1.
9804 phy_idx = cb->args[0] - 1;
9806 rdev = cfg80211_rdev_by_wiphy_idx(phy_idx);
9812 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf),
9819 err = nlmsg_parse_deprecated(cb->nlh,
9820 GENL_HDRLEN + nl80211_fam.hdrsize,
9821 attrbuf, nl80211_fam.maxattr,
9822 nl80211_policy, NULL);
9826 rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
9828 err = PTR_ERR(rdev);
9831 phy_idx = rdev->wiphy_idx;
9833 if (attrbuf[NL80211_ATTR_TESTDATA])
9834 cb->args[1] = (long)attrbuf[NL80211_ATTR_TESTDATA];
9838 data = nla_data((void *)cb->args[1]);
9839 data_len = nla_len((void *)cb->args[1]);
9842 if (!rdev->ops->testmode_dump) {
9848 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
9849 cb->nlh->nlmsg_seq, NLM_F_MULTI,
9850 NL80211_CMD_TESTMODE);
9851 struct nlattr *tmdata;
9856 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) {
9857 genlmsg_cancel(skb, hdr);
9861 tmdata = nla_nest_start_noflag(skb, NL80211_ATTR_TESTDATA);
9863 genlmsg_cancel(skb, hdr);
9866 err = rdev_testmode_dump(rdev, skb, cb, data, data_len);
9867 nla_nest_end(skb, tmdata);
9869 if (err == -ENOBUFS || err == -ENOENT) {
9870 genlmsg_cancel(skb, hdr);
9873 genlmsg_cancel(skb, hdr);
9877 genlmsg_end(skb, hdr);
9882 cb->args[0] = phy_idx + 1;
9890 static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
9892 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9893 struct net_device *dev = info->user_ptr[1];
9894 struct cfg80211_connect_params connect;
9895 struct wiphy *wiphy;
9896 struct cfg80211_cached_keys *connkeys = NULL;
9899 memset(&connect, 0, sizeof(connect));
9901 if (!info->attrs[NL80211_ATTR_SSID] ||
9902 !nla_len(info->attrs[NL80211_ATTR_SSID]))
9905 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
9907 nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
9908 if (!nl80211_valid_auth_type(rdev, connect.auth_type,
9909 NL80211_CMD_CONNECT))
9912 connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
9914 connect.privacy = info->attrs[NL80211_ATTR_PRIVACY];
9916 if (info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS] &&
9917 !wiphy_ext_feature_isset(&rdev->wiphy,
9918 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
9920 connect.want_1x = info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS];
9922 err = nl80211_crypto_settings(rdev, info, &connect.crypto,
9923 NL80211_MAX_NR_CIPHER_SUITES);
9927 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
9928 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9931 wiphy = &rdev->wiphy;
9933 connect.bg_scan_period = -1;
9934 if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] &&
9935 (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) {
9936 connect.bg_scan_period =
9937 nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]);
9940 if (info->attrs[NL80211_ATTR_MAC])
9941 connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
9942 else if (info->attrs[NL80211_ATTR_MAC_HINT])
9943 connect.bssid_hint =
9944 nla_data(info->attrs[NL80211_ATTR_MAC_HINT]);
9945 connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
9946 connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
9948 if (info->attrs[NL80211_ATTR_IE]) {
9949 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9950 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9953 if (info->attrs[NL80211_ATTR_USE_MFP]) {
9954 connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
9955 if (connect.mfp == NL80211_MFP_OPTIONAL &&
9956 !wiphy_ext_feature_isset(&rdev->wiphy,
9957 NL80211_EXT_FEATURE_MFP_OPTIONAL))
9960 connect.mfp = NL80211_MFP_NO;
9963 if (info->attrs[NL80211_ATTR_PREV_BSSID])
9964 connect.prev_bssid =
9965 nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
9967 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
9968 connect.channel = nl80211_get_valid_chan(
9969 wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ]);
9970 if (!connect.channel)
9972 } else if (info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]) {
9973 connect.channel_hint = nl80211_get_valid_chan(
9974 wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]);
9975 if (!connect.channel_hint)
9979 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]) {
9980 connect.edmg.channels =
9981 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]);
9983 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG])
9984 connect.edmg.bw_config =
9985 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG]);
9988 if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) {
9989 connkeys = nl80211_parse_connkeys(rdev, info, NULL);
9990 if (IS_ERR(connkeys))
9991 return PTR_ERR(connkeys);
9994 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
9995 connect.flags |= ASSOC_REQ_DISABLE_HT;
9997 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
9998 memcpy(&connect.ht_capa_mask,
9999 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
10000 sizeof(connect.ht_capa_mask));
10002 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
10003 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) {
10007 memcpy(&connect.ht_capa,
10008 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
10009 sizeof(connect.ht_capa));
10012 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
10013 connect.flags |= ASSOC_REQ_DISABLE_VHT;
10015 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
10016 memcpy(&connect.vht_capa_mask,
10017 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
10018 sizeof(connect.vht_capa_mask));
10020 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
10021 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) {
10025 memcpy(&connect.vht_capa,
10026 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
10027 sizeof(connect.vht_capa));
10030 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
10031 if (!((rdev->wiphy.features &
10032 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
10033 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
10034 !wiphy_ext_feature_isset(&rdev->wiphy,
10035 NL80211_EXT_FEATURE_RRM)) {
10039 connect.flags |= ASSOC_REQ_USE_RRM;
10042 connect.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
10043 if (connect.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) {
10045 return -EOPNOTSUPP;
10048 if (info->attrs[NL80211_ATTR_BSS_SELECT]) {
10049 /* bss selection makes no sense if bssid is set */
10050 if (connect.bssid) {
10055 err = parse_bss_select(info->attrs[NL80211_ATTR_BSS_SELECT],
10056 wiphy, &connect.bss_select);
10063 if (wiphy_ext_feature_isset(&rdev->wiphy,
10064 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) &&
10065 info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] &&
10066 info->attrs[NL80211_ATTR_FILS_ERP_REALM] &&
10067 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] &&
10068 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
10069 connect.fils_erp_username =
10070 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
10071 connect.fils_erp_username_len =
10072 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
10073 connect.fils_erp_realm =
10074 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
10075 connect.fils_erp_realm_len =
10076 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
10077 connect.fils_erp_next_seq_num =
10079 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]);
10080 connect.fils_erp_rrk =
10081 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
10082 connect.fils_erp_rrk_len =
10083 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
10084 } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] ||
10085 info->attrs[NL80211_ATTR_FILS_ERP_REALM] ||
10086 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] ||
10087 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
10092 if (nla_get_flag(info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])) {
10093 if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
10095 GENL_SET_ERR_MSG(info,
10096 "external auth requires connection ownership");
10099 connect.flags |= CONNECT_REQ_EXTERNAL_AUTH_SUPPORT;
10102 wdev_lock(dev->ieee80211_ptr);
10104 err = cfg80211_connect(rdev, dev, &connect, connkeys,
10105 connect.prev_bssid);
10109 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
10110 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
10112 memcpy(dev->ieee80211_ptr->disconnect_bssid,
10113 connect.bssid, ETH_ALEN);
10115 memset(dev->ieee80211_ptr->disconnect_bssid,
10119 wdev_unlock(dev->ieee80211_ptr);
10124 static int nl80211_update_connect_params(struct sk_buff *skb,
10125 struct genl_info *info)
10127 struct cfg80211_connect_params connect = {};
10128 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10129 struct net_device *dev = info->user_ptr[1];
10130 struct wireless_dev *wdev = dev->ieee80211_ptr;
10131 bool fils_sk_offload;
10136 if (!rdev->ops->update_connect_params)
10137 return -EOPNOTSUPP;
10139 if (info->attrs[NL80211_ATTR_IE]) {
10140 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10141 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
10142 changed |= UPDATE_ASSOC_IES;
10145 fils_sk_offload = wiphy_ext_feature_isset(&rdev->wiphy,
10146 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD);
10149 * when driver supports fils-sk offload all attributes must be
10150 * provided. So the else covers "fils-sk-not-all" and
10151 * "no-fils-sk-any".
10153 if (fils_sk_offload &&
10154 info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] &&
10155 info->attrs[NL80211_ATTR_FILS_ERP_REALM] &&
10156 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] &&
10157 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
10158 connect.fils_erp_username =
10159 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
10160 connect.fils_erp_username_len =
10161 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
10162 connect.fils_erp_realm =
10163 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
10164 connect.fils_erp_realm_len =
10165 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
10166 connect.fils_erp_next_seq_num =
10168 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]);
10169 connect.fils_erp_rrk =
10170 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
10171 connect.fils_erp_rrk_len =
10172 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
10173 changed |= UPDATE_FILS_ERP_INFO;
10174 } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] ||
10175 info->attrs[NL80211_ATTR_FILS_ERP_REALM] ||
10176 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] ||
10177 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
10181 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
10182 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
10183 if (!nl80211_valid_auth_type(rdev, auth_type,
10184 NL80211_CMD_CONNECT))
10187 if (auth_type == NL80211_AUTHTYPE_FILS_SK &&
10188 fils_sk_offload && !(changed & UPDATE_FILS_ERP_INFO))
10191 connect.auth_type = auth_type;
10192 changed |= UPDATE_AUTH_TYPE;
10195 wdev_lock(dev->ieee80211_ptr);
10196 if (!wdev->current_bss)
10199 ret = rdev_update_connect_params(rdev, dev, &connect, changed);
10200 wdev_unlock(dev->ieee80211_ptr);
10205 static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
10207 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10208 struct net_device *dev = info->user_ptr[1];
10212 if (dev->ieee80211_ptr->conn_owner_nlportid &&
10213 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
10216 if (!info->attrs[NL80211_ATTR_REASON_CODE])
10217 reason = WLAN_REASON_DEAUTH_LEAVING;
10219 reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
10224 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
10225 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10226 return -EOPNOTSUPP;
10228 wdev_lock(dev->ieee80211_ptr);
10229 ret = cfg80211_disconnect(rdev, dev, reason, true);
10230 wdev_unlock(dev->ieee80211_ptr);
10234 static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info)
10236 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10240 if (info->attrs[NL80211_ATTR_PID]) {
10241 u32 pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]);
10243 net = get_net_ns_by_pid(pid);
10244 } else if (info->attrs[NL80211_ATTR_NETNS_FD]) {
10245 u32 fd = nla_get_u32(info->attrs[NL80211_ATTR_NETNS_FD]);
10247 net = get_net_ns_by_fd(fd);
10253 return PTR_ERR(net);
10257 /* check if anything to do */
10258 if (!net_eq(wiphy_net(&rdev->wiphy), net))
10259 err = cfg80211_switch_netns(rdev, net);
10265 static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info)
10267 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10268 int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev,
10269 struct cfg80211_pmksa *pmksa) = NULL;
10270 struct net_device *dev = info->user_ptr[1];
10271 struct cfg80211_pmksa pmksa;
10273 memset(&pmksa, 0, sizeof(struct cfg80211_pmksa));
10275 if (!info->attrs[NL80211_ATTR_PMKID])
10278 pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
10280 if (info->attrs[NL80211_ATTR_MAC]) {
10281 pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
10282 } else if (info->attrs[NL80211_ATTR_SSID] &&
10283 info->attrs[NL80211_ATTR_FILS_CACHE_ID] &&
10284 (info->genlhdr->cmd == NL80211_CMD_DEL_PMKSA ||
10285 info->attrs[NL80211_ATTR_PMK])) {
10286 pmksa.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
10287 pmksa.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
10289 nla_data(info->attrs[NL80211_ATTR_FILS_CACHE_ID]);
10293 if (info->attrs[NL80211_ATTR_PMK]) {
10294 pmksa.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
10295 pmksa.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
10298 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
10299 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT &&
10300 !(dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP &&
10301 wiphy_ext_feature_isset(&rdev->wiphy,
10302 NL80211_EXT_FEATURE_AP_PMKSA_CACHING)))
10303 return -EOPNOTSUPP;
10305 switch (info->genlhdr->cmd) {
10306 case NL80211_CMD_SET_PMKSA:
10307 rdev_ops = rdev->ops->set_pmksa;
10309 case NL80211_CMD_DEL_PMKSA:
10310 rdev_ops = rdev->ops->del_pmksa;
10318 return -EOPNOTSUPP;
10320 return rdev_ops(&rdev->wiphy, dev, &pmksa);
10323 static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info)
10325 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10326 struct net_device *dev = info->user_ptr[1];
10328 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
10329 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10330 return -EOPNOTSUPP;
10332 if (!rdev->ops->flush_pmksa)
10333 return -EOPNOTSUPP;
10335 return rdev_flush_pmksa(rdev, dev);
10338 static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info)
10340 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10341 struct net_device *dev = info->user_ptr[1];
10342 u8 action_code, dialog_token;
10343 u32 peer_capability = 0;
10348 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
10349 !rdev->ops->tdls_mgmt)
10350 return -EOPNOTSUPP;
10352 if (!info->attrs[NL80211_ATTR_TDLS_ACTION] ||
10353 !info->attrs[NL80211_ATTR_STATUS_CODE] ||
10354 !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] ||
10355 !info->attrs[NL80211_ATTR_IE] ||
10356 !info->attrs[NL80211_ATTR_MAC])
10359 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
10360 action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]);
10361 status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
10362 dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]);
10363 initiator = nla_get_flag(info->attrs[NL80211_ATTR_TDLS_INITIATOR]);
10364 if (info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY])
10366 nla_get_u32(info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]);
10368 return rdev_tdls_mgmt(rdev, dev, peer, action_code,
10369 dialog_token, status_code, peer_capability,
10371 nla_data(info->attrs[NL80211_ATTR_IE]),
10372 nla_len(info->attrs[NL80211_ATTR_IE]));
10375 static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info)
10377 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10378 struct net_device *dev = info->user_ptr[1];
10379 enum nl80211_tdls_operation operation;
10382 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
10383 !rdev->ops->tdls_oper)
10384 return -EOPNOTSUPP;
10386 if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] ||
10387 !info->attrs[NL80211_ATTR_MAC])
10390 operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]);
10391 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
10393 return rdev_tdls_oper(rdev, dev, peer, operation);
10396 static int nl80211_remain_on_channel(struct sk_buff *skb,
10397 struct genl_info *info)
10399 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10400 struct wireless_dev *wdev = info->user_ptr[1];
10401 struct cfg80211_chan_def chandef;
10402 const struct cfg80211_chan_def *compat_chandef;
10403 struct sk_buff *msg;
10409 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
10410 !info->attrs[NL80211_ATTR_DURATION])
10413 duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
10415 if (!rdev->ops->remain_on_channel ||
10416 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL))
10417 return -EOPNOTSUPP;
10420 * We should be on that channel for at least a minimum amount of
10421 * time (10ms) but no longer than the driver supports.
10423 if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
10424 duration > rdev->wiphy.max_remain_on_channel_duration)
10427 err = nl80211_parse_chandef(rdev, info, &chandef);
10432 if (!cfg80211_off_channel_oper_allowed(wdev) &&
10433 !cfg80211_chandef_identical(&wdev->chandef, &chandef)) {
10434 compat_chandef = cfg80211_chandef_compatible(&wdev->chandef,
10436 if (compat_chandef != &chandef) {
10443 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
10447 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
10448 NL80211_CMD_REMAIN_ON_CHANNEL);
10454 err = rdev_remain_on_channel(rdev, wdev, chandef.chan,
10455 duration, &cookie);
10460 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
10462 goto nla_put_failure;
10464 genlmsg_end(msg, hdr);
10466 return genlmsg_reply(msg, info);
10475 static int nl80211_cancel_remain_on_channel(struct sk_buff *skb,
10476 struct genl_info *info)
10478 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10479 struct wireless_dev *wdev = info->user_ptr[1];
10482 if (!info->attrs[NL80211_ATTR_COOKIE])
10485 if (!rdev->ops->cancel_remain_on_channel)
10486 return -EOPNOTSUPP;
10488 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
10490 return rdev_cancel_remain_on_channel(rdev, wdev, cookie);
10493 static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
10494 struct genl_info *info)
10496 struct cfg80211_bitrate_mask mask;
10497 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10498 struct net_device *dev = info->user_ptr[1];
10501 if (!rdev->ops->set_bitrate_mask)
10502 return -EOPNOTSUPP;
10504 err = nl80211_parse_tx_bitrate_mask(info, &mask);
10508 return rdev_set_bitrate_mask(rdev, dev, NULL, &mask);
10511 static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
10513 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10514 struct wireless_dev *wdev = info->user_ptr[1];
10515 u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION;
10517 if (!info->attrs[NL80211_ATTR_FRAME_MATCH])
10520 if (info->attrs[NL80211_ATTR_FRAME_TYPE])
10521 frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]);
10523 switch (wdev->iftype) {
10524 case NL80211_IFTYPE_STATION:
10525 case NL80211_IFTYPE_ADHOC:
10526 case NL80211_IFTYPE_P2P_CLIENT:
10527 case NL80211_IFTYPE_AP:
10528 case NL80211_IFTYPE_AP_VLAN:
10529 case NL80211_IFTYPE_MESH_POINT:
10530 case NL80211_IFTYPE_P2P_GO:
10531 case NL80211_IFTYPE_P2P_DEVICE:
10533 case NL80211_IFTYPE_NAN:
10535 return -EOPNOTSUPP;
10538 /* not much point in registering if we can't reply */
10539 if (!rdev->ops->mgmt_tx)
10540 return -EOPNOTSUPP;
10542 return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type,
10543 nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]),
10544 nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH]));
10547 static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
10549 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10550 struct wireless_dev *wdev = info->user_ptr[1];
10551 struct cfg80211_chan_def chandef;
10555 struct sk_buff *msg = NULL;
10556 struct cfg80211_mgmt_tx_params params = {
10557 .dont_wait_for_ack =
10558 info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK],
10561 if (!info->attrs[NL80211_ATTR_FRAME])
10564 if (!rdev->ops->mgmt_tx)
10565 return -EOPNOTSUPP;
10567 switch (wdev->iftype) {
10568 case NL80211_IFTYPE_P2P_DEVICE:
10569 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
10571 case NL80211_IFTYPE_STATION:
10572 case NL80211_IFTYPE_ADHOC:
10573 case NL80211_IFTYPE_P2P_CLIENT:
10574 case NL80211_IFTYPE_AP:
10575 case NL80211_IFTYPE_AP_VLAN:
10576 case NL80211_IFTYPE_MESH_POINT:
10577 case NL80211_IFTYPE_P2P_GO:
10579 case NL80211_IFTYPE_NAN:
10581 return -EOPNOTSUPP;
10584 if (info->attrs[NL80211_ATTR_DURATION]) {
10585 if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
10587 params.wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
10590 * We should wait on the channel for at least a minimum amount
10591 * of time (10ms) but no longer than the driver supports.
10593 if (params.wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
10594 params.wait > rdev->wiphy.max_remain_on_channel_duration)
10598 params.offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK];
10600 if (params.offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
10603 params.no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
10605 /* get the channel if any has been specified, otherwise pass NULL to
10606 * the driver. The latter will use the current one
10608 chandef.chan = NULL;
10609 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
10610 err = nl80211_parse_chandef(rdev, info, &chandef);
10615 if (!chandef.chan && params.offchan)
10619 if (params.offchan && !cfg80211_off_channel_oper_allowed(wdev)) {
10625 params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
10626 params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
10628 if (info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]) {
10629 int len = nla_len(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
10632 if (len % sizeof(u16))
10635 params.n_csa_offsets = len / sizeof(u16);
10636 params.csa_offsets =
10637 nla_data(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
10639 /* check that all the offsets fit the frame */
10640 for (i = 0; i < params.n_csa_offsets; i++) {
10641 if (params.csa_offsets[i] >= params.len)
10646 if (!params.dont_wait_for_ack) {
10647 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
10651 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
10652 NL80211_CMD_FRAME);
10659 params.chan = chandef.chan;
10660 err = cfg80211_mlme_mgmt_tx(rdev, wdev, ¶ms, &cookie);
10665 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
10667 goto nla_put_failure;
10669 genlmsg_end(msg, hdr);
10670 return genlmsg_reply(msg, info);
10682 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info)
10684 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10685 struct wireless_dev *wdev = info->user_ptr[1];
10688 if (!info->attrs[NL80211_ATTR_COOKIE])
10691 if (!rdev->ops->mgmt_tx_cancel_wait)
10692 return -EOPNOTSUPP;
10694 switch (wdev->iftype) {
10695 case NL80211_IFTYPE_STATION:
10696 case NL80211_IFTYPE_ADHOC:
10697 case NL80211_IFTYPE_P2P_CLIENT:
10698 case NL80211_IFTYPE_AP:
10699 case NL80211_IFTYPE_AP_VLAN:
10700 case NL80211_IFTYPE_P2P_GO:
10701 case NL80211_IFTYPE_P2P_DEVICE:
10703 case NL80211_IFTYPE_NAN:
10705 return -EOPNOTSUPP;
10708 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
10710 return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie);
10713 static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info)
10715 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10716 struct wireless_dev *wdev;
10717 struct net_device *dev = info->user_ptr[1];
10722 if (!info->attrs[NL80211_ATTR_PS_STATE])
10725 ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]);
10727 wdev = dev->ieee80211_ptr;
10729 if (!rdev->ops->set_power_mgmt)
10730 return -EOPNOTSUPP;
10732 state = (ps_state == NL80211_PS_ENABLED) ? true : false;
10734 if (state == wdev->ps)
10737 err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout);
10743 static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info)
10745 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10746 enum nl80211_ps_state ps_state;
10747 struct wireless_dev *wdev;
10748 struct net_device *dev = info->user_ptr[1];
10749 struct sk_buff *msg;
10753 wdev = dev->ieee80211_ptr;
10755 if (!rdev->ops->set_power_mgmt)
10756 return -EOPNOTSUPP;
10758 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
10762 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
10763 NL80211_CMD_GET_POWER_SAVE);
10770 ps_state = NL80211_PS_ENABLED;
10772 ps_state = NL80211_PS_DISABLED;
10774 if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state))
10775 goto nla_put_failure;
10777 genlmsg_end(msg, hdr);
10778 return genlmsg_reply(msg, info);
10787 static const struct nla_policy
10788 nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] = {
10789 [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_BINARY },
10790 [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 },
10791 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
10792 [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 },
10793 [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 },
10794 [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 },
10795 [NL80211_ATTR_CQM_RSSI_LEVEL] = { .type = NLA_S32 },
10798 static int nl80211_set_cqm_txe(struct genl_info *info,
10799 u32 rate, u32 pkts, u32 intvl)
10801 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10802 struct net_device *dev = info->user_ptr[1];
10803 struct wireless_dev *wdev = dev->ieee80211_ptr;
10805 if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL)
10808 if (!rdev->ops->set_cqm_txe_config)
10809 return -EOPNOTSUPP;
10811 if (wdev->iftype != NL80211_IFTYPE_STATION &&
10812 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
10813 return -EOPNOTSUPP;
10815 return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl);
10818 static int cfg80211_cqm_rssi_update(struct cfg80211_registered_device *rdev,
10819 struct net_device *dev)
10821 struct wireless_dev *wdev = dev->ieee80211_ptr;
10822 s32 last, low, high;
10824 int i, n, low_index;
10827 /* RSSI reporting disabled? */
10828 if (!wdev->cqm_config)
10829 return rdev_set_cqm_rssi_range_config(rdev, dev, 0, 0);
10832 * Obtain current RSSI value if possible, if not and no RSSI threshold
10833 * event has been received yet, we should receive an event after a
10834 * connection is established and enough beacons received to calculate
10837 if (!wdev->cqm_config->last_rssi_event_value && wdev->current_bss &&
10838 rdev->ops->get_station) {
10839 struct station_info sinfo = {};
10842 mac_addr = wdev->current_bss->pub.bssid;
10844 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
10848 cfg80211_sinfo_release_content(&sinfo);
10849 if (sinfo.filled & BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG))
10850 wdev->cqm_config->last_rssi_event_value =
10851 (s8) sinfo.rx_beacon_signal_avg;
10854 last = wdev->cqm_config->last_rssi_event_value;
10855 hyst = wdev->cqm_config->rssi_hyst;
10856 n = wdev->cqm_config->n_rssi_thresholds;
10858 for (i = 0; i < n; i++) {
10859 i = array_index_nospec(i, n);
10860 if (last < wdev->cqm_config->rssi_thresholds[i])
10865 if (low_index >= 0) {
10866 low_index = array_index_nospec(low_index, n);
10867 low = wdev->cqm_config->rssi_thresholds[low_index] - hyst;
10872 i = array_index_nospec(i, n);
10873 high = wdev->cqm_config->rssi_thresholds[i] + hyst - 1;
10878 return rdev_set_cqm_rssi_range_config(rdev, dev, low, high);
10881 static int nl80211_set_cqm_rssi(struct genl_info *info,
10882 const s32 *thresholds, int n_thresholds,
10885 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10886 struct net_device *dev = info->user_ptr[1];
10887 struct wireless_dev *wdev = dev->ieee80211_ptr;
10889 s32 prev = S32_MIN;
10891 /* Check all values negative and sorted */
10892 for (i = 0; i < n_thresholds; i++) {
10893 if (thresholds[i] > 0 || thresholds[i] <= prev)
10896 prev = thresholds[i];
10899 if (wdev->iftype != NL80211_IFTYPE_STATION &&
10900 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
10901 return -EOPNOTSUPP;
10904 cfg80211_cqm_config_free(wdev);
10907 if (n_thresholds <= 1 && rdev->ops->set_cqm_rssi_config) {
10908 if (n_thresholds == 0 || thresholds[0] == 0) /* Disabling */
10909 return rdev_set_cqm_rssi_config(rdev, dev, 0, 0);
10911 return rdev_set_cqm_rssi_config(rdev, dev,
10912 thresholds[0], hysteresis);
10915 if (!wiphy_ext_feature_isset(&rdev->wiphy,
10916 NL80211_EXT_FEATURE_CQM_RSSI_LIST))
10917 return -EOPNOTSUPP;
10919 if (n_thresholds == 1 && thresholds[0] == 0) /* Disabling */
10923 if (n_thresholds) {
10924 struct cfg80211_cqm_config *cqm_config;
10926 cqm_config = kzalloc(sizeof(struct cfg80211_cqm_config) +
10927 n_thresholds * sizeof(s32), GFP_KERNEL);
10933 cqm_config->rssi_hyst = hysteresis;
10934 cqm_config->n_rssi_thresholds = n_thresholds;
10935 memcpy(cqm_config->rssi_thresholds, thresholds,
10936 n_thresholds * sizeof(s32));
10938 wdev->cqm_config = cqm_config;
10941 err = cfg80211_cqm_rssi_update(rdev, dev);
10949 static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info)
10951 struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1];
10952 struct nlattr *cqm;
10955 cqm = info->attrs[NL80211_ATTR_CQM];
10959 err = nla_parse_nested_deprecated(attrs, NL80211_ATTR_CQM_MAX, cqm,
10960 nl80211_attr_cqm_policy,
10965 if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] &&
10966 attrs[NL80211_ATTR_CQM_RSSI_HYST]) {
10967 const s32 *thresholds =
10968 nla_data(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
10969 int len = nla_len(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
10970 u32 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]);
10975 return nl80211_set_cqm_rssi(info, thresholds, len / 4,
10979 if (attrs[NL80211_ATTR_CQM_TXE_RATE] &&
10980 attrs[NL80211_ATTR_CQM_TXE_PKTS] &&
10981 attrs[NL80211_ATTR_CQM_TXE_INTVL]) {
10982 u32 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]);
10983 u32 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]);
10984 u32 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]);
10986 return nl80211_set_cqm_txe(info, rate, pkts, intvl);
10992 static int nl80211_join_ocb(struct sk_buff *skb, struct genl_info *info)
10994 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10995 struct net_device *dev = info->user_ptr[1];
10996 struct ocb_setup setup = {};
10999 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
11003 return cfg80211_join_ocb(rdev, dev, &setup);
11006 static int nl80211_leave_ocb(struct sk_buff *skb, struct genl_info *info)
11008 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11009 struct net_device *dev = info->user_ptr[1];
11011 return cfg80211_leave_ocb(rdev, dev);
11014 static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info)
11016 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11017 struct net_device *dev = info->user_ptr[1];
11018 struct mesh_config cfg;
11019 struct mesh_setup setup;
11022 /* start with default */
11023 memcpy(&cfg, &default_mesh_config, sizeof(cfg));
11024 memcpy(&setup, &default_mesh_setup, sizeof(setup));
11026 if (info->attrs[NL80211_ATTR_MESH_CONFIG]) {
11027 /* and parse parameters if given */
11028 err = nl80211_parse_mesh_config(info, &cfg, NULL);
11033 if (!info->attrs[NL80211_ATTR_MESH_ID] ||
11034 !nla_len(info->attrs[NL80211_ATTR_MESH_ID]))
11037 setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]);
11038 setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
11040 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
11041 !nl80211_parse_mcast_rate(rdev, setup.mcast_rate,
11042 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
11045 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) {
11046 setup.beacon_interval =
11047 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
11049 err = cfg80211_validate_beacon_int(rdev,
11050 NL80211_IFTYPE_MESH_POINT,
11051 setup.beacon_interval);
11056 if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) {
11057 setup.dtim_period =
11058 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
11059 if (setup.dtim_period < 1 || setup.dtim_period > 100)
11063 if (info->attrs[NL80211_ATTR_MESH_SETUP]) {
11064 /* parse additional setup parameters if given */
11065 err = nl80211_parse_mesh_setup(info, &setup);
11070 if (setup.user_mpm)
11071 cfg.auto_open_plinks = false;
11073 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
11074 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
11078 /* __cfg80211_join_mesh() will sort it out */
11079 setup.chandef.chan = NULL;
11082 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
11083 u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
11085 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
11086 struct ieee80211_supported_band *sband;
11088 if (!setup.chandef.chan)
11091 sband = rdev->wiphy.bands[setup.chandef.chan->band];
11093 err = ieee80211_get_ratemask(sband, rates, n_rates,
11094 &setup.basic_rates);
11099 if (info->attrs[NL80211_ATTR_TX_RATES]) {
11100 err = nl80211_parse_tx_bitrate_mask(info, &setup.beacon_rate);
11104 if (!setup.chandef.chan)
11107 err = validate_beacon_tx_rate(rdev, setup.chandef.chan->band,
11108 &setup.beacon_rate);
11113 setup.userspace_handles_dfs =
11114 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
11116 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
11117 int r = validate_pae_over_nl80211(rdev, info);
11122 setup.control_port_over_nl80211 = true;
11125 wdev_lock(dev->ieee80211_ptr);
11126 err = __cfg80211_join_mesh(rdev, dev, &setup, &cfg);
11127 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER])
11128 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
11129 wdev_unlock(dev->ieee80211_ptr);
11134 static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info)
11136 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11137 struct net_device *dev = info->user_ptr[1];
11139 return cfg80211_leave_mesh(rdev, dev);
11143 static int nl80211_send_wowlan_patterns(struct sk_buff *msg,
11144 struct cfg80211_registered_device *rdev)
11146 struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config;
11147 struct nlattr *nl_pats, *nl_pat;
11150 if (!wowlan->n_patterns)
11153 nl_pats = nla_nest_start_noflag(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN);
11157 for (i = 0; i < wowlan->n_patterns; i++) {
11158 nl_pat = nla_nest_start_noflag(msg, i + 1);
11161 pat_len = wowlan->patterns[i].pattern_len;
11162 if (nla_put(msg, NL80211_PKTPAT_MASK, DIV_ROUND_UP(pat_len, 8),
11163 wowlan->patterns[i].mask) ||
11164 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
11165 wowlan->patterns[i].pattern) ||
11166 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
11167 wowlan->patterns[i].pkt_offset))
11169 nla_nest_end(msg, nl_pat);
11171 nla_nest_end(msg, nl_pats);
11176 static int nl80211_send_wowlan_tcp(struct sk_buff *msg,
11177 struct cfg80211_wowlan_tcp *tcp)
11179 struct nlattr *nl_tcp;
11184 nl_tcp = nla_nest_start_noflag(msg,
11185 NL80211_WOWLAN_TRIG_TCP_CONNECTION);
11189 if (nla_put_in_addr(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) ||
11190 nla_put_in_addr(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) ||
11191 nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) ||
11192 nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) ||
11193 nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) ||
11194 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
11195 tcp->payload_len, tcp->payload) ||
11196 nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
11197 tcp->data_interval) ||
11198 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
11199 tcp->wake_len, tcp->wake_data) ||
11200 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK,
11201 DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask))
11204 if (tcp->payload_seq.len &&
11205 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ,
11206 sizeof(tcp->payload_seq), &tcp->payload_seq))
11209 if (tcp->payload_tok.len &&
11210 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
11211 sizeof(tcp->payload_tok) + tcp->tokens_size,
11212 &tcp->payload_tok))
11215 nla_nest_end(msg, nl_tcp);
11220 static int nl80211_send_wowlan_nd(struct sk_buff *msg,
11221 struct cfg80211_sched_scan_request *req)
11223 struct nlattr *nd, *freqs, *matches, *match, *scan_plans, *scan_plan;
11229 nd = nla_nest_start_noflag(msg, NL80211_WOWLAN_TRIG_NET_DETECT);
11233 if (req->n_scan_plans == 1 &&
11234 nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_INTERVAL,
11235 req->scan_plans[0].interval * 1000))
11238 if (nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_DELAY, req->delay))
11241 if (req->relative_rssi_set) {
11242 struct nl80211_bss_select_rssi_adjust rssi_adjust;
11244 if (nla_put_s8(msg, NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI,
11245 req->relative_rssi))
11248 rssi_adjust.band = req->rssi_adjust.band;
11249 rssi_adjust.delta = req->rssi_adjust.delta;
11250 if (nla_put(msg, NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST,
11251 sizeof(rssi_adjust), &rssi_adjust))
11255 freqs = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_FREQUENCIES);
11259 for (i = 0; i < req->n_channels; i++) {
11260 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
11264 nla_nest_end(msg, freqs);
11266 if (req->n_match_sets) {
11267 matches = nla_nest_start_noflag(msg,
11268 NL80211_ATTR_SCHED_SCAN_MATCH);
11272 for (i = 0; i < req->n_match_sets; i++) {
11273 match = nla_nest_start_noflag(msg, i);
11277 if (nla_put(msg, NL80211_SCHED_SCAN_MATCH_ATTR_SSID,
11278 req->match_sets[i].ssid.ssid_len,
11279 req->match_sets[i].ssid.ssid))
11281 nla_nest_end(msg, match);
11283 nla_nest_end(msg, matches);
11286 scan_plans = nla_nest_start_noflag(msg, NL80211_ATTR_SCHED_SCAN_PLANS);
11290 for (i = 0; i < req->n_scan_plans; i++) {
11291 scan_plan = nla_nest_start_noflag(msg, i + 1);
11295 if (nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_INTERVAL,
11296 req->scan_plans[i].interval) ||
11297 (req->scan_plans[i].iterations &&
11298 nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_ITERATIONS,
11299 req->scan_plans[i].iterations)))
11301 nla_nest_end(msg, scan_plan);
11303 nla_nest_end(msg, scan_plans);
11305 nla_nest_end(msg, nd);
11310 static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info)
11312 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11313 struct sk_buff *msg;
11315 u32 size = NLMSG_DEFAULT_SIZE;
11317 if (!rdev->wiphy.wowlan)
11318 return -EOPNOTSUPP;
11320 if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) {
11321 /* adjust size to have room for all the data */
11322 size += rdev->wiphy.wowlan_config->tcp->tokens_size +
11323 rdev->wiphy.wowlan_config->tcp->payload_len +
11324 rdev->wiphy.wowlan_config->tcp->wake_len +
11325 rdev->wiphy.wowlan_config->tcp->wake_len / 8;
11328 msg = nlmsg_new(size, GFP_KERNEL);
11332 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
11333 NL80211_CMD_GET_WOWLAN);
11335 goto nla_put_failure;
11337 if (rdev->wiphy.wowlan_config) {
11338 struct nlattr *nl_wowlan;
11340 nl_wowlan = nla_nest_start_noflag(msg,
11341 NL80211_ATTR_WOWLAN_TRIGGERS);
11343 goto nla_put_failure;
11345 if ((rdev->wiphy.wowlan_config->any &&
11346 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
11347 (rdev->wiphy.wowlan_config->disconnect &&
11348 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
11349 (rdev->wiphy.wowlan_config->magic_pkt &&
11350 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
11351 (rdev->wiphy.wowlan_config->gtk_rekey_failure &&
11352 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
11353 (rdev->wiphy.wowlan_config->eap_identity_req &&
11354 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
11355 (rdev->wiphy.wowlan_config->four_way_handshake &&
11356 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
11357 (rdev->wiphy.wowlan_config->rfkill_release &&
11358 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
11359 goto nla_put_failure;
11361 if (nl80211_send_wowlan_patterns(msg, rdev))
11362 goto nla_put_failure;
11364 if (nl80211_send_wowlan_tcp(msg,
11365 rdev->wiphy.wowlan_config->tcp))
11366 goto nla_put_failure;
11368 if (nl80211_send_wowlan_nd(
11370 rdev->wiphy.wowlan_config->nd_config))
11371 goto nla_put_failure;
11373 nla_nest_end(msg, nl_wowlan);
11376 genlmsg_end(msg, hdr);
11377 return genlmsg_reply(msg, info);
11384 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev,
11385 struct nlattr *attr,
11386 struct cfg80211_wowlan *trig)
11388 struct nlattr *tb[NUM_NL80211_WOWLAN_TCP];
11389 struct cfg80211_wowlan_tcp *cfg;
11390 struct nl80211_wowlan_tcp_data_token *tok = NULL;
11391 struct nl80211_wowlan_tcp_data_seq *seq = NULL;
11393 u32 data_size, wake_size, tokens_size = 0, wake_mask_size;
11396 if (!rdev->wiphy.wowlan->tcp)
11399 err = nla_parse_nested_deprecated(tb, MAX_NL80211_WOWLAN_TCP, attr,
11400 nl80211_wowlan_tcp_policy, NULL);
11404 if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] ||
11405 !tb[NL80211_WOWLAN_TCP_DST_IPV4] ||
11406 !tb[NL80211_WOWLAN_TCP_DST_MAC] ||
11407 !tb[NL80211_WOWLAN_TCP_DST_PORT] ||
11408 !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] ||
11409 !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] ||
11410 !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] ||
11411 !tb[NL80211_WOWLAN_TCP_WAKE_MASK])
11414 data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]);
11415 if (data_size > rdev->wiphy.wowlan->tcp->data_payload_max)
11418 if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) >
11419 rdev->wiphy.wowlan->tcp->data_interval_max ||
11420 nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0)
11423 wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]);
11424 if (wake_size > rdev->wiphy.wowlan->tcp->wake_payload_max)
11427 wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]);
11428 if (wake_mask_size != DIV_ROUND_UP(wake_size, 8))
11431 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) {
11432 u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
11434 tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
11435 tokens_size = tokln - sizeof(*tok);
11437 if (!tok->len || tokens_size % tok->len)
11439 if (!rdev->wiphy.wowlan->tcp->tok)
11441 if (tok->len > rdev->wiphy.wowlan->tcp->tok->max_len)
11443 if (tok->len < rdev->wiphy.wowlan->tcp->tok->min_len)
11445 if (tokens_size > rdev->wiphy.wowlan->tcp->tok->bufsize)
11447 if (tok->offset + tok->len > data_size)
11451 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) {
11452 seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]);
11453 if (!rdev->wiphy.wowlan->tcp->seq)
11455 if (seq->len == 0 || seq->len > 4)
11457 if (seq->len + seq->offset > data_size)
11461 size = sizeof(*cfg);
11463 size += wake_size + wake_mask_size;
11464 size += tokens_size;
11466 cfg = kzalloc(size, GFP_KERNEL);
11469 cfg->src = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_SRC_IPV4]);
11470 cfg->dst = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_DST_IPV4]);
11471 memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]),
11473 if (tb[NL80211_WOWLAN_TCP_SRC_PORT])
11474 port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]);
11478 /* allocate a socket and port for it and use it */
11479 err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM,
11480 IPPROTO_TCP, &cfg->sock, 1);
11485 if (inet_csk_get_port(cfg->sock->sk, port)) {
11486 sock_release(cfg->sock);
11488 return -EADDRINUSE;
11490 cfg->src_port = inet_sk(cfg->sock->sk)->inet_num;
11496 cfg->src_port = port;
11499 cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]);
11500 cfg->payload_len = data_size;
11501 cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size;
11502 memcpy((void *)cfg->payload,
11503 nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]),
11506 cfg->payload_seq = *seq;
11507 cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]);
11508 cfg->wake_len = wake_size;
11509 cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size;
11510 memcpy((void *)cfg->wake_data,
11511 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]),
11513 cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size +
11514 data_size + wake_size;
11515 memcpy((void *)cfg->wake_mask,
11516 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]),
11519 cfg->tokens_size = tokens_size;
11520 memcpy(&cfg->payload_tok, tok, sizeof(*tok) + tokens_size);
11528 static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device *rdev,
11529 const struct wiphy_wowlan_support *wowlan,
11530 struct nlattr *attr,
11531 struct cfg80211_wowlan *trig)
11533 struct nlattr **tb;
11536 tb = kcalloc(NUM_NL80211_ATTR, sizeof(*tb), GFP_KERNEL);
11540 if (!(wowlan->flags & WIPHY_WOWLAN_NET_DETECT)) {
11545 err = nla_parse_nested_deprecated(tb, NL80211_ATTR_MAX, attr,
11546 nl80211_policy, NULL);
11550 trig->nd_config = nl80211_parse_sched_scan(&rdev->wiphy, NULL, tb,
11551 wowlan->max_nd_match_sets);
11552 err = PTR_ERR_OR_ZERO(trig->nd_config);
11554 trig->nd_config = NULL;
11561 static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
11563 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11564 struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG];
11565 struct cfg80211_wowlan new_triggers = {};
11566 struct cfg80211_wowlan *ntrig;
11567 const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan;
11569 bool prev_enabled = rdev->wiphy.wowlan_config;
11570 bool regular = false;
11573 return -EOPNOTSUPP;
11575 if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) {
11576 cfg80211_rdev_free_wowlan(rdev);
11577 rdev->wiphy.wowlan_config = NULL;
11581 err = nla_parse_nested_deprecated(tb, MAX_NL80211_WOWLAN_TRIG,
11582 info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS],
11583 nl80211_wowlan_policy, info->extack);
11587 if (tb[NL80211_WOWLAN_TRIG_ANY]) {
11588 if (!(wowlan->flags & WIPHY_WOWLAN_ANY))
11590 new_triggers.any = true;
11593 if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) {
11594 if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT))
11596 new_triggers.disconnect = true;
11600 if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) {
11601 if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT))
11603 new_triggers.magic_pkt = true;
11607 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED])
11610 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) {
11611 if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE))
11613 new_triggers.gtk_rekey_failure = true;
11617 if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) {
11618 if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ))
11620 new_triggers.eap_identity_req = true;
11624 if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) {
11625 if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE))
11627 new_triggers.four_way_handshake = true;
11631 if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) {
11632 if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE))
11634 new_triggers.rfkill_release = true;
11638 if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) {
11639 struct nlattr *pat;
11640 int n_patterns = 0;
11641 int rem, pat_len, mask_len, pkt_offset;
11642 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
11646 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
11649 if (n_patterns > wowlan->n_patterns)
11652 new_triggers.patterns = kcalloc(n_patterns,
11653 sizeof(new_triggers.patterns[0]),
11655 if (!new_triggers.patterns)
11658 new_triggers.n_patterns = n_patterns;
11661 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
11665 err = nla_parse_nested_deprecated(pat_tb,
11666 MAX_NL80211_PKTPAT,
11668 nl80211_packet_pattern_policy,
11674 if (!pat_tb[NL80211_PKTPAT_MASK] ||
11675 !pat_tb[NL80211_PKTPAT_PATTERN])
11677 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
11678 mask_len = DIV_ROUND_UP(pat_len, 8);
11679 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
11681 if (pat_len > wowlan->pattern_max_len ||
11682 pat_len < wowlan->pattern_min_len)
11685 if (!pat_tb[NL80211_PKTPAT_OFFSET])
11688 pkt_offset = nla_get_u32(
11689 pat_tb[NL80211_PKTPAT_OFFSET]);
11690 if (pkt_offset > wowlan->max_pkt_offset)
11692 new_triggers.patterns[i].pkt_offset = pkt_offset;
11694 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
11699 new_triggers.patterns[i].mask = mask_pat;
11700 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
11702 mask_pat += mask_len;
11703 new_triggers.patterns[i].pattern = mask_pat;
11704 new_triggers.patterns[i].pattern_len = pat_len;
11706 nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
11712 if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) {
11714 err = nl80211_parse_wowlan_tcp(
11715 rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION],
11721 if (tb[NL80211_WOWLAN_TRIG_NET_DETECT]) {
11723 err = nl80211_parse_wowlan_nd(
11724 rdev, wowlan, tb[NL80211_WOWLAN_TRIG_NET_DETECT],
11730 /* The 'any' trigger means the device continues operating more or less
11731 * as in its normal operation mode and wakes up the host on most of the
11732 * normal interrupts (like packet RX, ...)
11733 * It therefore makes little sense to combine with the more constrained
11734 * wakeup trigger modes.
11736 if (new_triggers.any && regular) {
11741 ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL);
11746 cfg80211_rdev_free_wowlan(rdev);
11747 rdev->wiphy.wowlan_config = ntrig;
11750 if (rdev->ops->set_wakeup &&
11751 prev_enabled != !!rdev->wiphy.wowlan_config)
11752 rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config);
11756 for (i = 0; i < new_triggers.n_patterns; i++)
11757 kfree(new_triggers.patterns[i].mask);
11758 kfree(new_triggers.patterns);
11759 if (new_triggers.tcp && new_triggers.tcp->sock)
11760 sock_release(new_triggers.tcp->sock);
11761 kfree(new_triggers.tcp);
11762 kfree(new_triggers.nd_config);
11767 static int nl80211_send_coalesce_rules(struct sk_buff *msg,
11768 struct cfg80211_registered_device *rdev)
11770 struct nlattr *nl_pats, *nl_pat, *nl_rule, *nl_rules;
11772 struct cfg80211_coalesce_rules *rule;
11774 if (!rdev->coalesce->n_rules)
11777 nl_rules = nla_nest_start_noflag(msg, NL80211_ATTR_COALESCE_RULE);
11781 for (i = 0; i < rdev->coalesce->n_rules; i++) {
11782 nl_rule = nla_nest_start_noflag(msg, i + 1);
11786 rule = &rdev->coalesce->rules[i];
11787 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_DELAY,
11791 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_CONDITION,
11795 nl_pats = nla_nest_start_noflag(msg,
11796 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN);
11800 for (j = 0; j < rule->n_patterns; j++) {
11801 nl_pat = nla_nest_start_noflag(msg, j + 1);
11804 pat_len = rule->patterns[j].pattern_len;
11805 if (nla_put(msg, NL80211_PKTPAT_MASK,
11806 DIV_ROUND_UP(pat_len, 8),
11807 rule->patterns[j].mask) ||
11808 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
11809 rule->patterns[j].pattern) ||
11810 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
11811 rule->patterns[j].pkt_offset))
11813 nla_nest_end(msg, nl_pat);
11815 nla_nest_end(msg, nl_pats);
11816 nla_nest_end(msg, nl_rule);
11818 nla_nest_end(msg, nl_rules);
11823 static int nl80211_get_coalesce(struct sk_buff *skb, struct genl_info *info)
11825 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11826 struct sk_buff *msg;
11829 if (!rdev->wiphy.coalesce)
11830 return -EOPNOTSUPP;
11832 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
11836 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
11837 NL80211_CMD_GET_COALESCE);
11839 goto nla_put_failure;
11841 if (rdev->coalesce && nl80211_send_coalesce_rules(msg, rdev))
11842 goto nla_put_failure;
11844 genlmsg_end(msg, hdr);
11845 return genlmsg_reply(msg, info);
11852 void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev)
11854 struct cfg80211_coalesce *coalesce = rdev->coalesce;
11856 struct cfg80211_coalesce_rules *rule;
11861 for (i = 0; i < coalesce->n_rules; i++) {
11862 rule = &coalesce->rules[i];
11863 for (j = 0; j < rule->n_patterns; j++)
11864 kfree(rule->patterns[j].mask);
11865 kfree(rule->patterns);
11867 kfree(coalesce->rules);
11869 rdev->coalesce = NULL;
11872 static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev,
11873 struct nlattr *rule,
11874 struct cfg80211_coalesce_rules *new_rule)
11877 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
11878 struct nlattr *tb[NUM_NL80211_ATTR_COALESCE_RULE], *pat;
11879 int rem, pat_len, mask_len, pkt_offset, n_patterns = 0;
11880 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
11882 err = nla_parse_nested_deprecated(tb, NL80211_ATTR_COALESCE_RULE_MAX,
11883 rule, nl80211_coalesce_policy, NULL);
11887 if (tb[NL80211_ATTR_COALESCE_RULE_DELAY])
11889 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_DELAY]);
11890 if (new_rule->delay > coalesce->max_delay)
11893 if (tb[NL80211_ATTR_COALESCE_RULE_CONDITION])
11894 new_rule->condition =
11895 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_CONDITION]);
11897 if (!tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN])
11900 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
11903 if (n_patterns > coalesce->n_patterns)
11906 new_rule->patterns = kcalloc(n_patterns, sizeof(new_rule->patterns[0]),
11908 if (!new_rule->patterns)
11911 new_rule->n_patterns = n_patterns;
11914 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
11918 err = nla_parse_nested_deprecated(pat_tb, MAX_NL80211_PKTPAT,
11920 nl80211_packet_pattern_policy,
11925 if (!pat_tb[NL80211_PKTPAT_MASK] ||
11926 !pat_tb[NL80211_PKTPAT_PATTERN])
11928 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
11929 mask_len = DIV_ROUND_UP(pat_len, 8);
11930 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
11932 if (pat_len > coalesce->pattern_max_len ||
11933 pat_len < coalesce->pattern_min_len)
11936 if (!pat_tb[NL80211_PKTPAT_OFFSET])
11939 pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]);
11940 if (pkt_offset > coalesce->max_pkt_offset)
11942 new_rule->patterns[i].pkt_offset = pkt_offset;
11944 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
11948 new_rule->patterns[i].mask = mask_pat;
11949 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
11952 mask_pat += mask_len;
11953 new_rule->patterns[i].pattern = mask_pat;
11954 new_rule->patterns[i].pattern_len = pat_len;
11955 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
11963 static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info)
11965 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11966 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
11967 struct cfg80211_coalesce new_coalesce = {};
11968 struct cfg80211_coalesce *n_coalesce;
11969 int err, rem_rule, n_rules = 0, i, j;
11970 struct nlattr *rule;
11971 struct cfg80211_coalesce_rules *tmp_rule;
11973 if (!rdev->wiphy.coalesce || !rdev->ops->set_coalesce)
11974 return -EOPNOTSUPP;
11976 if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) {
11977 cfg80211_rdev_free_coalesce(rdev);
11978 rdev_set_coalesce(rdev, NULL);
11982 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
11985 if (n_rules > coalesce->n_rules)
11988 new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]),
11990 if (!new_coalesce.rules)
11993 new_coalesce.n_rules = n_rules;
11996 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
11998 err = nl80211_parse_coalesce_rule(rdev, rule,
11999 &new_coalesce.rules[i]);
12006 err = rdev_set_coalesce(rdev, &new_coalesce);
12010 n_coalesce = kmemdup(&new_coalesce, sizeof(new_coalesce), GFP_KERNEL);
12015 cfg80211_rdev_free_coalesce(rdev);
12016 rdev->coalesce = n_coalesce;
12020 for (i = 0; i < new_coalesce.n_rules; i++) {
12021 tmp_rule = &new_coalesce.rules[i];
12022 for (j = 0; j < tmp_rule->n_patterns; j++)
12023 kfree(tmp_rule->patterns[j].mask);
12024 kfree(tmp_rule->patterns);
12026 kfree(new_coalesce.rules);
12031 static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info)
12033 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12034 struct net_device *dev = info->user_ptr[1];
12035 struct wireless_dev *wdev = dev->ieee80211_ptr;
12036 struct nlattr *tb[NUM_NL80211_REKEY_DATA];
12037 struct cfg80211_gtk_rekey_data rekey_data;
12040 if (!info->attrs[NL80211_ATTR_REKEY_DATA])
12043 err = nla_parse_nested_deprecated(tb, MAX_NL80211_REKEY_DATA,
12044 info->attrs[NL80211_ATTR_REKEY_DATA],
12045 nl80211_rekey_policy, info->extack);
12049 if (!tb[NL80211_REKEY_DATA_REPLAY_CTR] || !tb[NL80211_REKEY_DATA_KEK] ||
12050 !tb[NL80211_REKEY_DATA_KCK])
12052 if (nla_len(tb[NL80211_REKEY_DATA_REPLAY_CTR]) != NL80211_REPLAY_CTR_LEN)
12054 if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN)
12056 if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN)
12059 rekey_data.kek = nla_data(tb[NL80211_REKEY_DATA_KEK]);
12060 rekey_data.kck = nla_data(tb[NL80211_REKEY_DATA_KCK]);
12061 rekey_data.replay_ctr = nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]);
12064 if (!wdev->current_bss) {
12069 if (!rdev->ops->set_rekey_data) {
12074 err = rdev_set_rekey_data(rdev, dev, &rekey_data);
12080 static int nl80211_register_unexpected_frame(struct sk_buff *skb,
12081 struct genl_info *info)
12083 struct net_device *dev = info->user_ptr[1];
12084 struct wireless_dev *wdev = dev->ieee80211_ptr;
12086 if (wdev->iftype != NL80211_IFTYPE_AP &&
12087 wdev->iftype != NL80211_IFTYPE_P2P_GO)
12090 if (wdev->ap_unexpected_nlportid)
12093 wdev->ap_unexpected_nlportid = info->snd_portid;
12097 static int nl80211_probe_client(struct sk_buff *skb,
12098 struct genl_info *info)
12100 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12101 struct net_device *dev = info->user_ptr[1];
12102 struct wireless_dev *wdev = dev->ieee80211_ptr;
12103 struct sk_buff *msg;
12109 if (wdev->iftype != NL80211_IFTYPE_AP &&
12110 wdev->iftype != NL80211_IFTYPE_P2P_GO)
12111 return -EOPNOTSUPP;
12113 if (!info->attrs[NL80211_ATTR_MAC])
12116 if (!rdev->ops->probe_client)
12117 return -EOPNOTSUPP;
12119 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12123 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12124 NL80211_CMD_PROBE_CLIENT);
12130 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
12132 err = rdev_probe_client(rdev, dev, addr, &cookie);
12136 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
12138 goto nla_put_failure;
12140 genlmsg_end(msg, hdr);
12142 return genlmsg_reply(msg, info);
12151 static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info)
12153 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12154 struct cfg80211_beacon_registration *reg, *nreg;
12157 if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS))
12158 return -EOPNOTSUPP;
12160 nreg = kzalloc(sizeof(*nreg), GFP_KERNEL);
12164 /* First, check if already registered. */
12165 spin_lock_bh(&rdev->beacon_registrations_lock);
12166 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
12167 if (reg->nlportid == info->snd_portid) {
12172 /* Add it to the list */
12173 nreg->nlportid = info->snd_portid;
12174 list_add(&nreg->list, &rdev->beacon_registrations);
12176 spin_unlock_bh(&rdev->beacon_registrations_lock);
12180 spin_unlock_bh(&rdev->beacon_registrations_lock);
12185 static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info)
12187 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12188 struct wireless_dev *wdev = info->user_ptr[1];
12191 if (!rdev->ops->start_p2p_device)
12192 return -EOPNOTSUPP;
12194 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
12195 return -EOPNOTSUPP;
12197 if (wdev_running(wdev))
12200 if (rfkill_blocked(rdev->rfkill))
12203 err = rdev_start_p2p_device(rdev, wdev);
12207 wdev->is_running = true;
12213 static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info)
12215 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12216 struct wireless_dev *wdev = info->user_ptr[1];
12218 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
12219 return -EOPNOTSUPP;
12221 if (!rdev->ops->stop_p2p_device)
12222 return -EOPNOTSUPP;
12224 cfg80211_stop_p2p_device(rdev, wdev);
12229 static int nl80211_start_nan(struct sk_buff *skb, struct genl_info *info)
12231 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12232 struct wireless_dev *wdev = info->user_ptr[1];
12233 struct cfg80211_nan_conf conf = {};
12236 if (wdev->iftype != NL80211_IFTYPE_NAN)
12237 return -EOPNOTSUPP;
12239 if (wdev_running(wdev))
12242 if (rfkill_blocked(rdev->rfkill))
12245 if (!info->attrs[NL80211_ATTR_NAN_MASTER_PREF])
12249 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
12251 if (info->attrs[NL80211_ATTR_BANDS]) {
12252 u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]);
12254 if (bands & ~(u32)wdev->wiphy->nan_supported_bands)
12255 return -EOPNOTSUPP;
12257 if (bands && !(bands & BIT(NL80211_BAND_2GHZ)))
12260 conf.bands = bands;
12263 err = rdev_start_nan(rdev, wdev, &conf);
12267 wdev->is_running = true;
12273 static int nl80211_stop_nan(struct sk_buff *skb, struct genl_info *info)
12275 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12276 struct wireless_dev *wdev = info->user_ptr[1];
12278 if (wdev->iftype != NL80211_IFTYPE_NAN)
12279 return -EOPNOTSUPP;
12281 cfg80211_stop_nan(rdev, wdev);
12286 static int validate_nan_filter(struct nlattr *filter_attr)
12288 struct nlattr *attr;
12289 int len = 0, n_entries = 0, rem;
12291 nla_for_each_nested(attr, filter_attr, rem) {
12292 len += nla_len(attr);
12302 static int handle_nan_filter(struct nlattr *attr_filter,
12303 struct cfg80211_nan_func *func,
12306 struct nlattr *attr;
12307 int n_entries, rem, i;
12308 struct cfg80211_nan_func_filter *filter;
12310 n_entries = validate_nan_filter(attr_filter);
12314 BUILD_BUG_ON(sizeof(*func->rx_filters) != sizeof(*func->tx_filters));
12316 filter = kcalloc(n_entries, sizeof(*func->rx_filters), GFP_KERNEL);
12321 nla_for_each_nested(attr, attr_filter, rem) {
12322 filter[i].filter = nla_memdup(attr, GFP_KERNEL);
12323 filter[i].len = nla_len(attr);
12327 func->num_tx_filters = n_entries;
12328 func->tx_filters = filter;
12330 func->num_rx_filters = n_entries;
12331 func->rx_filters = filter;
12337 static int nl80211_nan_add_func(struct sk_buff *skb,
12338 struct genl_info *info)
12340 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12341 struct wireless_dev *wdev = info->user_ptr[1];
12342 struct nlattr *tb[NUM_NL80211_NAN_FUNC_ATTR], *func_attr;
12343 struct cfg80211_nan_func *func;
12344 struct sk_buff *msg = NULL;
12348 if (wdev->iftype != NL80211_IFTYPE_NAN)
12349 return -EOPNOTSUPP;
12351 if (!wdev_running(wdev))
12354 if (!info->attrs[NL80211_ATTR_NAN_FUNC])
12357 err = nla_parse_nested_deprecated(tb, NL80211_NAN_FUNC_ATTR_MAX,
12358 info->attrs[NL80211_ATTR_NAN_FUNC],
12359 nl80211_nan_func_policy,
12364 func = kzalloc(sizeof(*func), GFP_KERNEL);
12368 func->cookie = cfg80211_assign_cookie(rdev);
12370 if (!tb[NL80211_NAN_FUNC_TYPE] ||
12371 nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]) > NL80211_NAN_FUNC_MAX_TYPE) {
12377 func->type = nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]);
12379 if (!tb[NL80211_NAN_FUNC_SERVICE_ID]) {
12384 memcpy(func->service_id, nla_data(tb[NL80211_NAN_FUNC_SERVICE_ID]),
12385 sizeof(func->service_id));
12387 func->close_range =
12388 nla_get_flag(tb[NL80211_NAN_FUNC_CLOSE_RANGE]);
12390 if (tb[NL80211_NAN_FUNC_SERVICE_INFO]) {
12391 func->serv_spec_info_len =
12392 nla_len(tb[NL80211_NAN_FUNC_SERVICE_INFO]);
12393 func->serv_spec_info =
12394 kmemdup(nla_data(tb[NL80211_NAN_FUNC_SERVICE_INFO]),
12395 func->serv_spec_info_len,
12397 if (!func->serv_spec_info) {
12403 if (tb[NL80211_NAN_FUNC_TTL])
12404 func->ttl = nla_get_u32(tb[NL80211_NAN_FUNC_TTL]);
12406 switch (func->type) {
12407 case NL80211_NAN_FUNC_PUBLISH:
12408 if (!tb[NL80211_NAN_FUNC_PUBLISH_TYPE]) {
12413 func->publish_type =
12414 nla_get_u8(tb[NL80211_NAN_FUNC_PUBLISH_TYPE]);
12415 func->publish_bcast =
12416 nla_get_flag(tb[NL80211_NAN_FUNC_PUBLISH_BCAST]);
12418 if ((!(func->publish_type & NL80211_NAN_SOLICITED_PUBLISH)) &&
12419 func->publish_bcast) {
12424 case NL80211_NAN_FUNC_SUBSCRIBE:
12425 func->subscribe_active =
12426 nla_get_flag(tb[NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE]);
12428 case NL80211_NAN_FUNC_FOLLOW_UP:
12429 if (!tb[NL80211_NAN_FUNC_FOLLOW_UP_ID] ||
12430 !tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] ||
12431 !tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]) {
12436 func->followup_id =
12437 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_ID]);
12438 func->followup_reqid =
12439 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID]);
12440 memcpy(func->followup_dest.addr,
12441 nla_data(tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]),
12442 sizeof(func->followup_dest.addr));
12453 if (tb[NL80211_NAN_FUNC_SRF]) {
12454 struct nlattr *srf_tb[NUM_NL80211_NAN_SRF_ATTR];
12456 err = nla_parse_nested_deprecated(srf_tb,
12457 NL80211_NAN_SRF_ATTR_MAX,
12458 tb[NL80211_NAN_FUNC_SRF],
12459 nl80211_nan_srf_policy,
12464 func->srf_include =
12465 nla_get_flag(srf_tb[NL80211_NAN_SRF_INCLUDE]);
12467 if (srf_tb[NL80211_NAN_SRF_BF]) {
12468 if (srf_tb[NL80211_NAN_SRF_MAC_ADDRS] ||
12469 !srf_tb[NL80211_NAN_SRF_BF_IDX]) {
12475 nla_len(srf_tb[NL80211_NAN_SRF_BF]);
12477 kmemdup(nla_data(srf_tb[NL80211_NAN_SRF_BF]),
12478 func->srf_bf_len, GFP_KERNEL);
12479 if (!func->srf_bf) {
12485 nla_get_u8(srf_tb[NL80211_NAN_SRF_BF_IDX]);
12487 struct nlattr *attr, *mac_attr =
12488 srf_tb[NL80211_NAN_SRF_MAC_ADDRS];
12489 int n_entries, rem, i = 0;
12496 n_entries = validate_acl_mac_addrs(mac_attr);
12497 if (n_entries <= 0) {
12502 func->srf_num_macs = n_entries;
12504 kcalloc(n_entries, sizeof(*func->srf_macs),
12506 if (!func->srf_macs) {
12511 nla_for_each_nested(attr, mac_attr, rem)
12512 memcpy(func->srf_macs[i++].addr, nla_data(attr),
12513 sizeof(*func->srf_macs));
12517 if (tb[NL80211_NAN_FUNC_TX_MATCH_FILTER]) {
12518 err = handle_nan_filter(tb[NL80211_NAN_FUNC_TX_MATCH_FILTER],
12524 if (tb[NL80211_NAN_FUNC_RX_MATCH_FILTER]) {
12525 err = handle_nan_filter(tb[NL80211_NAN_FUNC_RX_MATCH_FILTER],
12531 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12537 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12538 NL80211_CMD_ADD_NAN_FUNCTION);
12539 /* This can't really happen - we just allocated 4KB */
12540 if (WARN_ON(!hdr)) {
12545 err = rdev_add_nan_func(rdev, wdev, func);
12548 cfg80211_free_nan_func(func);
12553 /* propagate the instance id and cookie to userspace */
12554 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, func->cookie,
12556 goto nla_put_failure;
12558 func_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_FUNC);
12560 goto nla_put_failure;
12562 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID,
12563 func->instance_id))
12564 goto nla_put_failure;
12566 nla_nest_end(msg, func_attr);
12568 genlmsg_end(msg, hdr);
12569 return genlmsg_reply(msg, info);
12576 static int nl80211_nan_del_func(struct sk_buff *skb,
12577 struct genl_info *info)
12579 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12580 struct wireless_dev *wdev = info->user_ptr[1];
12583 if (wdev->iftype != NL80211_IFTYPE_NAN)
12584 return -EOPNOTSUPP;
12586 if (!wdev_running(wdev))
12589 if (!info->attrs[NL80211_ATTR_COOKIE])
12592 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
12594 rdev_del_nan_func(rdev, wdev, cookie);
12599 static int nl80211_nan_change_config(struct sk_buff *skb,
12600 struct genl_info *info)
12602 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12603 struct wireless_dev *wdev = info->user_ptr[1];
12604 struct cfg80211_nan_conf conf = {};
12607 if (wdev->iftype != NL80211_IFTYPE_NAN)
12608 return -EOPNOTSUPP;
12610 if (!wdev_running(wdev))
12613 if (info->attrs[NL80211_ATTR_NAN_MASTER_PREF]) {
12615 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
12616 if (conf.master_pref <= 1 || conf.master_pref == 255)
12619 changed |= CFG80211_NAN_CONF_CHANGED_PREF;
12622 if (info->attrs[NL80211_ATTR_BANDS]) {
12623 u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]);
12625 if (bands & ~(u32)wdev->wiphy->nan_supported_bands)
12626 return -EOPNOTSUPP;
12628 if (bands && !(bands & BIT(NL80211_BAND_2GHZ)))
12631 conf.bands = bands;
12632 changed |= CFG80211_NAN_CONF_CHANGED_BANDS;
12638 return rdev_nan_change_conf(rdev, wdev, &conf, changed);
12641 void cfg80211_nan_match(struct wireless_dev *wdev,
12642 struct cfg80211_nan_match_params *match, gfp_t gfp)
12644 struct wiphy *wiphy = wdev->wiphy;
12645 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
12646 struct nlattr *match_attr, *local_func_attr, *peer_func_attr;
12647 struct sk_buff *msg;
12650 if (WARN_ON(!match->inst_id || !match->peer_inst_id || !match->addr))
12653 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
12657 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NAN_MATCH);
12663 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
12664 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
12665 wdev->netdev->ifindex)) ||
12666 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
12668 goto nla_put_failure;
12670 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, match->cookie,
12671 NL80211_ATTR_PAD) ||
12672 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, match->addr))
12673 goto nla_put_failure;
12675 match_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_MATCH);
12677 goto nla_put_failure;
12679 local_func_attr = nla_nest_start_noflag(msg,
12680 NL80211_NAN_MATCH_FUNC_LOCAL);
12681 if (!local_func_attr)
12682 goto nla_put_failure;
12684 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->inst_id))
12685 goto nla_put_failure;
12687 nla_nest_end(msg, local_func_attr);
12689 peer_func_attr = nla_nest_start_noflag(msg,
12690 NL80211_NAN_MATCH_FUNC_PEER);
12691 if (!peer_func_attr)
12692 goto nla_put_failure;
12694 if (nla_put_u8(msg, NL80211_NAN_FUNC_TYPE, match->type) ||
12695 nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->peer_inst_id))
12696 goto nla_put_failure;
12698 if (match->info && match->info_len &&
12699 nla_put(msg, NL80211_NAN_FUNC_SERVICE_INFO, match->info_len,
12701 goto nla_put_failure;
12703 nla_nest_end(msg, peer_func_attr);
12704 nla_nest_end(msg, match_attr);
12705 genlmsg_end(msg, hdr);
12707 if (!wdev->owner_nlportid)
12708 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
12709 msg, 0, NL80211_MCGRP_NAN, gfp);
12711 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
12712 wdev->owner_nlportid);
12719 EXPORT_SYMBOL(cfg80211_nan_match);
12721 void cfg80211_nan_func_terminated(struct wireless_dev *wdev,
12723 enum nl80211_nan_func_term_reason reason,
12724 u64 cookie, gfp_t gfp)
12726 struct wiphy *wiphy = wdev->wiphy;
12727 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
12728 struct sk_buff *msg;
12729 struct nlattr *func_attr;
12732 if (WARN_ON(!inst_id))
12735 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
12739 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_NAN_FUNCTION);
12745 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
12746 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
12747 wdev->netdev->ifindex)) ||
12748 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
12750 goto nla_put_failure;
12752 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
12754 goto nla_put_failure;
12756 func_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_FUNC);
12758 goto nla_put_failure;
12760 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, inst_id) ||
12761 nla_put_u8(msg, NL80211_NAN_FUNC_TERM_REASON, reason))
12762 goto nla_put_failure;
12764 nla_nest_end(msg, func_attr);
12765 genlmsg_end(msg, hdr);
12767 if (!wdev->owner_nlportid)
12768 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
12769 msg, 0, NL80211_MCGRP_NAN, gfp);
12771 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
12772 wdev->owner_nlportid);
12779 EXPORT_SYMBOL(cfg80211_nan_func_terminated);
12781 static int nl80211_get_protocol_features(struct sk_buff *skb,
12782 struct genl_info *info)
12785 struct sk_buff *msg;
12787 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12791 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12792 NL80211_CMD_GET_PROTOCOL_FEATURES);
12794 goto nla_put_failure;
12796 if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES,
12797 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP))
12798 goto nla_put_failure;
12800 genlmsg_end(msg, hdr);
12801 return genlmsg_reply(msg, info);
12808 static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info)
12810 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12811 struct cfg80211_update_ft_ies_params ft_params;
12812 struct net_device *dev = info->user_ptr[1];
12814 if (!rdev->ops->update_ft_ies)
12815 return -EOPNOTSUPP;
12817 if (!info->attrs[NL80211_ATTR_MDID] ||
12818 !info->attrs[NL80211_ATTR_IE])
12821 memset(&ft_params, 0, sizeof(ft_params));
12822 ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]);
12823 ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
12824 ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
12826 return rdev_update_ft_ies(rdev, dev, &ft_params);
12829 static int nl80211_crit_protocol_start(struct sk_buff *skb,
12830 struct genl_info *info)
12832 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12833 struct wireless_dev *wdev = info->user_ptr[1];
12834 enum nl80211_crit_proto_id proto = NL80211_CRIT_PROTO_UNSPEC;
12838 if (!rdev->ops->crit_proto_start)
12839 return -EOPNOTSUPP;
12841 if (WARN_ON(!rdev->ops->crit_proto_stop))
12844 if (rdev->crit_proto_nlportid)
12847 /* determine protocol if provided */
12848 if (info->attrs[NL80211_ATTR_CRIT_PROT_ID])
12849 proto = nla_get_u16(info->attrs[NL80211_ATTR_CRIT_PROT_ID]);
12851 if (proto >= NUM_NL80211_CRIT_PROTO)
12854 /* timeout must be provided */
12855 if (!info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION])
12859 nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]);
12861 if (duration > NL80211_CRIT_PROTO_MAX_DURATION)
12864 ret = rdev_crit_proto_start(rdev, wdev, proto, duration);
12866 rdev->crit_proto_nlportid = info->snd_portid;
12871 static int nl80211_crit_protocol_stop(struct sk_buff *skb,
12872 struct genl_info *info)
12874 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12875 struct wireless_dev *wdev = info->user_ptr[1];
12877 if (!rdev->ops->crit_proto_stop)
12878 return -EOPNOTSUPP;
12880 if (rdev->crit_proto_nlportid) {
12881 rdev->crit_proto_nlportid = 0;
12882 rdev_crit_proto_stop(rdev, wdev);
12887 static int nl80211_vendor_check_policy(const struct wiphy_vendor_command *vcmd,
12888 struct nlattr *attr,
12889 struct netlink_ext_ack *extack)
12891 if (vcmd->policy == VENDOR_CMD_RAW_DATA) {
12892 if (attr->nla_type & NLA_F_NESTED) {
12893 NL_SET_ERR_MSG_ATTR(extack, attr,
12894 "unexpected nested data");
12901 if (!(attr->nla_type & NLA_F_NESTED)) {
12902 NL_SET_ERR_MSG_ATTR(extack, attr, "expected nested data");
12906 return nla_validate_nested(attr, vcmd->maxattr, vcmd->policy, extack);
12909 static int nl80211_vendor_cmd(struct sk_buff *skb, struct genl_info *info)
12911 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12912 struct wireless_dev *wdev =
12913 __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs);
12917 if (!rdev->wiphy.vendor_commands)
12918 return -EOPNOTSUPP;
12920 if (IS_ERR(wdev)) {
12921 err = PTR_ERR(wdev);
12922 if (err != -EINVAL)
12925 } else if (wdev->wiphy != &rdev->wiphy) {
12929 if (!info->attrs[NL80211_ATTR_VENDOR_ID] ||
12930 !info->attrs[NL80211_ATTR_VENDOR_SUBCMD])
12933 vid = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_ID]);
12934 subcmd = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_SUBCMD]);
12935 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
12936 const struct wiphy_vendor_command *vcmd;
12940 vcmd = &rdev->wiphy.vendor_commands[i];
12942 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
12945 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
12946 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
12949 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
12953 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
12954 if (!wdev_running(wdev))
12959 return -EOPNOTSUPP;
12964 if (info->attrs[NL80211_ATTR_VENDOR_DATA]) {
12965 data = nla_data(info->attrs[NL80211_ATTR_VENDOR_DATA]);
12966 len = nla_len(info->attrs[NL80211_ATTR_VENDOR_DATA]);
12968 err = nl80211_vendor_check_policy(vcmd,
12969 info->attrs[NL80211_ATTR_VENDOR_DATA],
12975 rdev->cur_cmd_info = info;
12976 err = vcmd->doit(&rdev->wiphy, wdev, data, len);
12977 rdev->cur_cmd_info = NULL;
12981 return -EOPNOTSUPP;
12984 static int nl80211_prepare_vendor_dump(struct sk_buff *skb,
12985 struct netlink_callback *cb,
12986 struct cfg80211_registered_device **rdev,
12987 struct wireless_dev **wdev)
12989 struct nlattr **attrbuf;
12995 unsigned int data_len = 0;
12998 /* subtract the 1 again here */
12999 struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
13000 struct wireless_dev *tmp;
13004 *rdev = wiphy_to_rdev(wiphy);
13008 list_for_each_entry(tmp, &wiphy->wdev_list, list) {
13009 if (tmp->identifier == cb->args[1] - 1) {
13016 /* keep rtnl locked in successful case */
13020 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf), GFP_KERNEL);
13024 err = nlmsg_parse_deprecated(cb->nlh,
13025 GENL_HDRLEN + nl80211_fam.hdrsize,
13026 attrbuf, nl80211_fam.maxattr,
13027 nl80211_policy, NULL);
13031 if (!attrbuf[NL80211_ATTR_VENDOR_ID] ||
13032 !attrbuf[NL80211_ATTR_VENDOR_SUBCMD]) {
13037 *wdev = __cfg80211_wdev_from_attrs(sock_net(skb->sk), attrbuf);
13041 *rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
13042 if (IS_ERR(*rdev)) {
13043 err = PTR_ERR(*rdev);
13047 vid = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_ID]);
13048 subcmd = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_SUBCMD]);
13050 for (i = 0; i < (*rdev)->wiphy.n_vendor_commands; i++) {
13051 const struct wiphy_vendor_command *vcmd;
13053 vcmd = &(*rdev)->wiphy.vendor_commands[i];
13055 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
13058 if (!vcmd->dumpit) {
13067 if (vcmd_idx < 0) {
13072 if (attrbuf[NL80211_ATTR_VENDOR_DATA]) {
13073 data = nla_data(attrbuf[NL80211_ATTR_VENDOR_DATA]);
13074 data_len = nla_len(attrbuf[NL80211_ATTR_VENDOR_DATA]);
13076 err = nl80211_vendor_check_policy(
13077 &(*rdev)->wiphy.vendor_commands[vcmd_idx],
13078 attrbuf[NL80211_ATTR_VENDOR_DATA],
13084 /* 0 is the first index - add 1 to parse only once */
13085 cb->args[0] = (*rdev)->wiphy_idx + 1;
13086 /* add 1 to know if it was NULL */
13087 cb->args[1] = *wdev ? (*wdev)->identifier + 1 : 0;
13088 cb->args[2] = vcmd_idx;
13089 cb->args[3] = (unsigned long)data;
13090 cb->args[4] = data_len;
13092 /* keep rtnl locked in successful case */
13099 static int nl80211_vendor_cmd_dump(struct sk_buff *skb,
13100 struct netlink_callback *cb)
13102 struct cfg80211_registered_device *rdev;
13103 struct wireless_dev *wdev;
13104 unsigned int vcmd_idx;
13105 const struct wiphy_vendor_command *vcmd;
13109 struct nlattr *vendor_data;
13112 err = nl80211_prepare_vendor_dump(skb, cb, &rdev, &wdev);
13116 vcmd_idx = cb->args[2];
13117 data = (void *)cb->args[3];
13118 data_len = cb->args[4];
13119 vcmd = &rdev->wiphy.vendor_commands[vcmd_idx];
13121 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
13122 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
13127 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
13133 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
13134 if (!wdev_running(wdev)) {
13142 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
13143 cb->nlh->nlmsg_seq, NLM_F_MULTI,
13144 NL80211_CMD_VENDOR);
13148 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13149 (wdev && nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
13151 NL80211_ATTR_PAD))) {
13152 genlmsg_cancel(skb, hdr);
13156 vendor_data = nla_nest_start_noflag(skb,
13157 NL80211_ATTR_VENDOR_DATA);
13158 if (!vendor_data) {
13159 genlmsg_cancel(skb, hdr);
13163 err = vcmd->dumpit(&rdev->wiphy, wdev, skb, data, data_len,
13164 (unsigned long *)&cb->args[5]);
13165 nla_nest_end(skb, vendor_data);
13167 if (err == -ENOBUFS || err == -ENOENT) {
13168 genlmsg_cancel(skb, hdr);
13171 genlmsg_cancel(skb, hdr);
13175 genlmsg_end(skb, hdr);
13184 struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy,
13185 enum nl80211_commands cmd,
13186 enum nl80211_attrs attr,
13189 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
13191 if (WARN_ON(!rdev->cur_cmd_info))
13194 return __cfg80211_alloc_vendor_skb(rdev, NULL, approxlen,
13195 rdev->cur_cmd_info->snd_portid,
13196 rdev->cur_cmd_info->snd_seq,
13197 cmd, attr, NULL, GFP_KERNEL);
13199 EXPORT_SYMBOL(__cfg80211_alloc_reply_skb);
13201 int cfg80211_vendor_cmd_reply(struct sk_buff *skb)
13203 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
13204 void *hdr = ((void **)skb->cb)[1];
13205 struct nlattr *data = ((void **)skb->cb)[2];
13207 /* clear CB data for netlink core to own from now on */
13208 memset(skb->cb, 0, sizeof(skb->cb));
13210 if (WARN_ON(!rdev->cur_cmd_info)) {
13215 nla_nest_end(skb, data);
13216 genlmsg_end(skb, hdr);
13217 return genlmsg_reply(skb, rdev->cur_cmd_info);
13219 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply);
13221 unsigned int cfg80211_vendor_cmd_get_sender(struct wiphy *wiphy)
13223 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
13225 if (WARN_ON(!rdev->cur_cmd_info))
13228 return rdev->cur_cmd_info->snd_portid;
13230 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_get_sender);
13232 static int nl80211_set_qos_map(struct sk_buff *skb,
13233 struct genl_info *info)
13235 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13236 struct cfg80211_qos_map *qos_map = NULL;
13237 struct net_device *dev = info->user_ptr[1];
13238 u8 *pos, len, num_des, des_len, des;
13241 if (!rdev->ops->set_qos_map)
13242 return -EOPNOTSUPP;
13244 if (info->attrs[NL80211_ATTR_QOS_MAP]) {
13245 pos = nla_data(info->attrs[NL80211_ATTR_QOS_MAP]);
13246 len = nla_len(info->attrs[NL80211_ATTR_QOS_MAP]);
13248 if (len % 2 || len < IEEE80211_QOS_MAP_LEN_MIN ||
13249 len > IEEE80211_QOS_MAP_LEN_MAX)
13252 qos_map = kzalloc(sizeof(struct cfg80211_qos_map), GFP_KERNEL);
13256 num_des = (len - IEEE80211_QOS_MAP_LEN_MIN) >> 1;
13258 des_len = num_des *
13259 sizeof(struct cfg80211_dscp_exception);
13260 memcpy(qos_map->dscp_exception, pos, des_len);
13261 qos_map->num_des = num_des;
13262 for (des = 0; des < num_des; des++) {
13263 if (qos_map->dscp_exception[des].up > 7) {
13270 memcpy(qos_map->up, pos, IEEE80211_QOS_MAP_LEN_MIN);
13273 wdev_lock(dev->ieee80211_ptr);
13274 ret = nl80211_key_allowed(dev->ieee80211_ptr);
13276 ret = rdev_set_qos_map(rdev, dev, qos_map);
13277 wdev_unlock(dev->ieee80211_ptr);
13283 static int nl80211_add_tx_ts(struct sk_buff *skb, struct genl_info *info)
13285 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13286 struct net_device *dev = info->user_ptr[1];
13287 struct wireless_dev *wdev = dev->ieee80211_ptr;
13290 u16 admitted_time = 0;
13293 if (!(rdev->wiphy.features & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION))
13294 return -EOPNOTSUPP;
13296 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC] ||
13297 !info->attrs[NL80211_ATTR_USER_PRIO])
13300 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
13301 up = nla_get_u8(info->attrs[NL80211_ATTR_USER_PRIO]);
13303 /* WMM uses TIDs 0-7 even for TSPEC */
13304 if (tsid >= IEEE80211_FIRST_TSPEC_TSID) {
13305 /* TODO: handle 802.11 TSPEC/admission control
13306 * need more attributes for that (e.g. BA session requirement);
13307 * change the WMM adminssion test above to allow both then
13312 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
13314 if (info->attrs[NL80211_ATTR_ADMITTED_TIME]) {
13316 nla_get_u16(info->attrs[NL80211_ATTR_ADMITTED_TIME]);
13317 if (!admitted_time)
13322 switch (wdev->iftype) {
13323 case NL80211_IFTYPE_STATION:
13324 case NL80211_IFTYPE_P2P_CLIENT:
13325 if (wdev->current_bss)
13334 err = rdev_add_tx_ts(rdev, dev, tsid, peer, up, admitted_time);
13341 static int nl80211_del_tx_ts(struct sk_buff *skb, struct genl_info *info)
13343 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13344 struct net_device *dev = info->user_ptr[1];
13345 struct wireless_dev *wdev = dev->ieee80211_ptr;
13350 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC])
13353 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
13354 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
13357 err = rdev_del_tx_ts(rdev, dev, tsid, peer);
13363 static int nl80211_tdls_channel_switch(struct sk_buff *skb,
13364 struct genl_info *info)
13366 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13367 struct net_device *dev = info->user_ptr[1];
13368 struct wireless_dev *wdev = dev->ieee80211_ptr;
13369 struct cfg80211_chan_def chandef = {};
13374 if (!rdev->ops->tdls_channel_switch ||
13375 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
13376 return -EOPNOTSUPP;
13378 switch (dev->ieee80211_ptr->iftype) {
13379 case NL80211_IFTYPE_STATION:
13380 case NL80211_IFTYPE_P2P_CLIENT:
13383 return -EOPNOTSUPP;
13386 if (!info->attrs[NL80211_ATTR_MAC] ||
13387 !info->attrs[NL80211_ATTR_OPER_CLASS])
13390 err = nl80211_parse_chandef(rdev, info, &chandef);
13395 * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012
13396 * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the
13397 * specification is not defined for them.
13399 if (chandef.chan->band == NL80211_BAND_2GHZ &&
13400 chandef.width != NL80211_CHAN_WIDTH_20_NOHT &&
13401 chandef.width != NL80211_CHAN_WIDTH_20)
13404 /* we will be active on the TDLS link */
13405 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
13409 /* don't allow switching to DFS channels */
13410 if (cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, wdev->iftype))
13413 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
13414 oper_class = nla_get_u8(info->attrs[NL80211_ATTR_OPER_CLASS]);
13417 err = rdev_tdls_channel_switch(rdev, dev, addr, oper_class, &chandef);
13423 static int nl80211_tdls_cancel_channel_switch(struct sk_buff *skb,
13424 struct genl_info *info)
13426 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13427 struct net_device *dev = info->user_ptr[1];
13428 struct wireless_dev *wdev = dev->ieee80211_ptr;
13431 if (!rdev->ops->tdls_channel_switch ||
13432 !rdev->ops->tdls_cancel_channel_switch ||
13433 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
13434 return -EOPNOTSUPP;
13436 switch (dev->ieee80211_ptr->iftype) {
13437 case NL80211_IFTYPE_STATION:
13438 case NL80211_IFTYPE_P2P_CLIENT:
13441 return -EOPNOTSUPP;
13444 if (!info->attrs[NL80211_ATTR_MAC])
13447 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
13450 rdev_tdls_cancel_channel_switch(rdev, dev, addr);
13456 static int nl80211_set_multicast_to_unicast(struct sk_buff *skb,
13457 struct genl_info *info)
13459 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13460 struct net_device *dev = info->user_ptr[1];
13461 struct wireless_dev *wdev = dev->ieee80211_ptr;
13462 const struct nlattr *nla;
13465 if (!rdev->ops->set_multicast_to_unicast)
13466 return -EOPNOTSUPP;
13468 if (wdev->iftype != NL80211_IFTYPE_AP &&
13469 wdev->iftype != NL80211_IFTYPE_P2P_GO)
13470 return -EOPNOTSUPP;
13472 nla = info->attrs[NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED];
13473 enabled = nla_get_flag(nla);
13475 return rdev_set_multicast_to_unicast(rdev, dev, enabled);
13478 static int nl80211_set_pmk(struct sk_buff *skb, struct genl_info *info)
13480 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13481 struct net_device *dev = info->user_ptr[1];
13482 struct wireless_dev *wdev = dev->ieee80211_ptr;
13483 struct cfg80211_pmk_conf pmk_conf = {};
13486 if (wdev->iftype != NL80211_IFTYPE_STATION &&
13487 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
13488 return -EOPNOTSUPP;
13490 if (!wiphy_ext_feature_isset(&rdev->wiphy,
13491 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
13492 return -EOPNOTSUPP;
13494 if (!info->attrs[NL80211_ATTR_MAC] || !info->attrs[NL80211_ATTR_PMK])
13498 if (!wdev->current_bss) {
13503 pmk_conf.aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
13504 if (memcmp(pmk_conf.aa, wdev->current_bss->pub.bssid, ETH_ALEN)) {
13509 pmk_conf.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
13510 pmk_conf.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
13511 if (pmk_conf.pmk_len != WLAN_PMK_LEN &&
13512 pmk_conf.pmk_len != WLAN_PMK_LEN_SUITE_B_192) {
13517 if (info->attrs[NL80211_ATTR_PMKR0_NAME]) {
13518 int r0_name_len = nla_len(info->attrs[NL80211_ATTR_PMKR0_NAME]);
13520 if (r0_name_len != WLAN_PMK_NAME_LEN) {
13525 pmk_conf.pmk_r0_name =
13526 nla_data(info->attrs[NL80211_ATTR_PMKR0_NAME]);
13529 ret = rdev_set_pmk(rdev, dev, &pmk_conf);
13535 static int nl80211_del_pmk(struct sk_buff *skb, struct genl_info *info)
13537 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13538 struct net_device *dev = info->user_ptr[1];
13539 struct wireless_dev *wdev = dev->ieee80211_ptr;
13543 if (wdev->iftype != NL80211_IFTYPE_STATION &&
13544 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
13545 return -EOPNOTSUPP;
13547 if (!wiphy_ext_feature_isset(&rdev->wiphy,
13548 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
13549 return -EOPNOTSUPP;
13551 if (!info->attrs[NL80211_ATTR_MAC])
13555 aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
13556 ret = rdev_del_pmk(rdev, dev, aa);
13562 static int nl80211_external_auth(struct sk_buff *skb, struct genl_info *info)
13564 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13565 struct net_device *dev = info->user_ptr[1];
13566 struct cfg80211_external_auth_params params;
13568 if (!rdev->ops->external_auth)
13569 return -EOPNOTSUPP;
13571 if (!info->attrs[NL80211_ATTR_SSID] &&
13572 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
13573 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
13576 if (!info->attrs[NL80211_ATTR_BSSID])
13579 if (!info->attrs[NL80211_ATTR_STATUS_CODE])
13582 memset(¶ms, 0, sizeof(params));
13584 if (info->attrs[NL80211_ATTR_SSID]) {
13585 params.ssid.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
13586 if (params.ssid.ssid_len == 0 ||
13587 params.ssid.ssid_len > IEEE80211_MAX_SSID_LEN)
13589 memcpy(params.ssid.ssid,
13590 nla_data(info->attrs[NL80211_ATTR_SSID]),
13591 params.ssid.ssid_len);
13594 memcpy(params.bssid, nla_data(info->attrs[NL80211_ATTR_BSSID]),
13597 params.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
13599 if (info->attrs[NL80211_ATTR_PMKID])
13600 params.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
13602 return rdev_external_auth(rdev, dev, ¶ms);
13605 static int nl80211_tx_control_port(struct sk_buff *skb, struct genl_info *info)
13607 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13608 struct net_device *dev = info->user_ptr[1];
13609 struct wireless_dev *wdev = dev->ieee80211_ptr;
13617 if (!wiphy_ext_feature_isset(&rdev->wiphy,
13618 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
13619 return -EOPNOTSUPP;
13621 if (!rdev->ops->tx_control_port)
13622 return -EOPNOTSUPP;
13624 if (!info->attrs[NL80211_ATTR_FRAME] ||
13625 !info->attrs[NL80211_ATTR_MAC] ||
13626 !info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
13627 GENL_SET_ERR_MSG(info, "Frame, MAC or ethertype missing");
13633 switch (wdev->iftype) {
13634 case NL80211_IFTYPE_AP:
13635 case NL80211_IFTYPE_P2P_GO:
13636 case NL80211_IFTYPE_MESH_POINT:
13638 case NL80211_IFTYPE_ADHOC:
13639 case NL80211_IFTYPE_STATION:
13640 case NL80211_IFTYPE_P2P_CLIENT:
13641 if (wdev->current_bss)
13652 buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
13653 len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
13654 dest = nla_data(info->attrs[NL80211_ATTR_MAC]);
13655 proto = nla_get_u16(info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
13657 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]);
13659 return rdev_tx_control_port(rdev, dev, buf, len,
13660 dest, cpu_to_be16(proto), noencrypt);
13667 static int nl80211_get_ftm_responder_stats(struct sk_buff *skb,
13668 struct genl_info *info)
13670 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13671 struct net_device *dev = info->user_ptr[1];
13672 struct wireless_dev *wdev = dev->ieee80211_ptr;
13673 struct cfg80211_ftm_responder_stats ftm_stats = {};
13674 struct sk_buff *msg;
13676 struct nlattr *ftm_stats_attr;
13679 if (wdev->iftype != NL80211_IFTYPE_AP || !wdev->beacon_interval)
13680 return -EOPNOTSUPP;
13682 err = rdev_get_ftm_responder_stats(rdev, dev, &ftm_stats);
13686 if (!ftm_stats.filled)
13689 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
13693 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
13694 NL80211_CMD_GET_FTM_RESPONDER_STATS);
13696 goto nla_put_failure;
13698 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
13699 goto nla_put_failure;
13701 ftm_stats_attr = nla_nest_start_noflag(msg,
13702 NL80211_ATTR_FTM_RESPONDER_STATS);
13703 if (!ftm_stats_attr)
13704 goto nla_put_failure;
13706 #define SET_FTM(field, name, type) \
13707 do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
13708 nla_put_ ## type(msg, NL80211_FTM_STATS_ ## name, \
13709 ftm_stats.field)) \
13710 goto nla_put_failure; } while (0)
13711 #define SET_FTM_U64(field, name) \
13712 do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
13713 nla_put_u64_64bit(msg, NL80211_FTM_STATS_ ## name, \
13714 ftm_stats.field, NL80211_FTM_STATS_PAD)) \
13715 goto nla_put_failure; } while (0)
13717 SET_FTM(success_num, SUCCESS_NUM, u32);
13718 SET_FTM(partial_num, PARTIAL_NUM, u32);
13719 SET_FTM(failed_num, FAILED_NUM, u32);
13720 SET_FTM(asap_num, ASAP_NUM, u32);
13721 SET_FTM(non_asap_num, NON_ASAP_NUM, u32);
13722 SET_FTM_U64(total_duration_ms, TOTAL_DURATION_MSEC);
13723 SET_FTM(unknown_triggers_num, UNKNOWN_TRIGGERS_NUM, u32);
13724 SET_FTM(reschedule_requests_num, RESCHEDULE_REQUESTS_NUM, u32);
13725 SET_FTM(out_of_window_triggers_num, OUT_OF_WINDOW_TRIGGERS_NUM, u32);
13728 nla_nest_end(msg, ftm_stats_attr);
13730 genlmsg_end(msg, hdr);
13731 return genlmsg_reply(msg, info);
13738 static int nl80211_update_owe_info(struct sk_buff *skb, struct genl_info *info)
13740 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13741 struct cfg80211_update_owe_info owe_info;
13742 struct net_device *dev = info->user_ptr[1];
13744 if (!rdev->ops->update_owe_info)
13745 return -EOPNOTSUPP;
13747 if (!info->attrs[NL80211_ATTR_STATUS_CODE] ||
13748 !info->attrs[NL80211_ATTR_MAC])
13751 memset(&owe_info, 0, sizeof(owe_info));
13752 owe_info.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
13753 nla_memcpy(owe_info.peer, info->attrs[NL80211_ATTR_MAC], ETH_ALEN);
13755 if (info->attrs[NL80211_ATTR_IE]) {
13756 owe_info.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
13757 owe_info.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
13760 return rdev_update_owe_info(rdev, dev, &owe_info);
13763 static int nl80211_probe_mesh_link(struct sk_buff *skb, struct genl_info *info)
13765 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13766 struct net_device *dev = info->user_ptr[1];
13767 struct wireless_dev *wdev = dev->ieee80211_ptr;
13768 struct station_info sinfo = {};
13774 if (!rdev->ops->probe_mesh_link || !rdev->ops->get_station)
13775 return -EOPNOTSUPP;
13777 if (!info->attrs[NL80211_ATTR_MAC] ||
13778 !info->attrs[NL80211_ATTR_FRAME]) {
13779 GENL_SET_ERR_MSG(info, "Frame or MAC missing");
13783 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
13784 return -EOPNOTSUPP;
13786 dest = nla_data(info->attrs[NL80211_ATTR_MAC]);
13787 buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
13788 len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
13790 if (len < sizeof(struct ethhdr))
13793 if (!ether_addr_equal(buf, dest) || is_multicast_ether_addr(buf) ||
13794 !ether_addr_equal(buf + ETH_ALEN, dev->dev_addr))
13797 err = rdev_get_station(rdev, dev, dest, &sinfo);
13801 cfg80211_sinfo_release_content(&sinfo);
13803 return rdev_probe_mesh_link(rdev, dev, dest, buf, len);
13806 #define NL80211_FLAG_NEED_WIPHY 0x01
13807 #define NL80211_FLAG_NEED_NETDEV 0x02
13808 #define NL80211_FLAG_NEED_RTNL 0x04
13809 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
13810 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
13811 NL80211_FLAG_CHECK_NETDEV_UP)
13812 #define NL80211_FLAG_NEED_WDEV 0x10
13813 /* If a netdev is associated, it must be UP, P2P must be started */
13814 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
13815 NL80211_FLAG_CHECK_NETDEV_UP)
13816 #define NL80211_FLAG_CLEAR_SKB 0x20
13818 static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb,
13819 struct genl_info *info)
13821 struct cfg80211_registered_device *rdev;
13822 struct wireless_dev *wdev;
13823 struct net_device *dev;
13824 bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL;
13829 if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) {
13830 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
13831 if (IS_ERR(rdev)) {
13834 return PTR_ERR(rdev);
13836 info->user_ptr[0] = rdev;
13837 } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV ||
13838 ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
13841 wdev = __cfg80211_wdev_from_attrs(genl_info_net(info),
13843 if (IS_ERR(wdev)) {
13846 return PTR_ERR(wdev);
13849 dev = wdev->netdev;
13850 rdev = wiphy_to_rdev(wdev->wiphy);
13852 if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) {
13859 info->user_ptr[1] = dev;
13861 info->user_ptr[1] = wdev;
13864 if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP &&
13865 !wdev_running(wdev)) {
13874 info->user_ptr[0] = rdev;
13880 static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb,
13881 struct genl_info *info)
13883 if (info->user_ptr[1]) {
13884 if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
13885 struct wireless_dev *wdev = info->user_ptr[1];
13888 dev_put(wdev->netdev);
13890 dev_put(info->user_ptr[1]);
13894 if (ops->internal_flags & NL80211_FLAG_NEED_RTNL)
13897 /* If needed, clear the netlink message payload from the SKB
13898 * as it might contain key data that shouldn't stick around on
13899 * the heap after the SKB is freed. The netlink message header
13900 * is still needed for further processing, so leave it intact.
13902 if (ops->internal_flags & NL80211_FLAG_CLEAR_SKB) {
13903 struct nlmsghdr *nlh = nlmsg_hdr(skb);
13905 memset(nlmsg_data(nlh), 0, nlmsg_len(nlh));
13909 static const struct genl_ops nl80211_ops[] = {
13911 .cmd = NL80211_CMD_GET_WIPHY,
13912 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13913 .doit = nl80211_get_wiphy,
13914 .dumpit = nl80211_dump_wiphy,
13915 .done = nl80211_dump_wiphy_done,
13916 /* can be retrieved by unprivileged users */
13917 .internal_flags = NL80211_FLAG_NEED_WIPHY |
13918 NL80211_FLAG_NEED_RTNL,
13921 .cmd = NL80211_CMD_SET_WIPHY,
13922 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13923 .doit = nl80211_set_wiphy,
13924 .flags = GENL_UNS_ADMIN_PERM,
13925 .internal_flags = NL80211_FLAG_NEED_RTNL,
13928 .cmd = NL80211_CMD_GET_INTERFACE,
13929 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13930 .doit = nl80211_get_interface,
13931 .dumpit = nl80211_dump_interface,
13932 /* can be retrieved by unprivileged users */
13933 .internal_flags = NL80211_FLAG_NEED_WDEV |
13934 NL80211_FLAG_NEED_RTNL,
13937 .cmd = NL80211_CMD_SET_INTERFACE,
13938 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13939 .doit = nl80211_set_interface,
13940 .flags = GENL_UNS_ADMIN_PERM,
13941 .internal_flags = NL80211_FLAG_NEED_NETDEV |
13942 NL80211_FLAG_NEED_RTNL,
13945 .cmd = NL80211_CMD_NEW_INTERFACE,
13946 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13947 .doit = nl80211_new_interface,
13948 .flags = GENL_UNS_ADMIN_PERM,
13949 .internal_flags = NL80211_FLAG_NEED_WIPHY |
13950 NL80211_FLAG_NEED_RTNL,
13953 .cmd = NL80211_CMD_DEL_INTERFACE,
13954 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13955 .doit = nl80211_del_interface,
13956 .flags = GENL_UNS_ADMIN_PERM,
13957 .internal_flags = NL80211_FLAG_NEED_WDEV |
13958 NL80211_FLAG_NEED_RTNL,
13961 .cmd = NL80211_CMD_GET_KEY,
13962 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13963 .doit = nl80211_get_key,
13964 .flags = GENL_UNS_ADMIN_PERM,
13965 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13966 NL80211_FLAG_NEED_RTNL,
13969 .cmd = NL80211_CMD_SET_KEY,
13970 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13971 .doit = nl80211_set_key,
13972 .flags = GENL_UNS_ADMIN_PERM,
13973 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13974 NL80211_FLAG_NEED_RTNL |
13975 NL80211_FLAG_CLEAR_SKB,
13978 .cmd = NL80211_CMD_NEW_KEY,
13979 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13980 .doit = nl80211_new_key,
13981 .flags = GENL_UNS_ADMIN_PERM,
13982 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13983 NL80211_FLAG_NEED_RTNL |
13984 NL80211_FLAG_CLEAR_SKB,
13987 .cmd = NL80211_CMD_DEL_KEY,
13988 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13989 .doit = nl80211_del_key,
13990 .flags = GENL_UNS_ADMIN_PERM,
13991 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13992 NL80211_FLAG_NEED_RTNL,
13995 .cmd = NL80211_CMD_SET_BEACON,
13996 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13997 .flags = GENL_UNS_ADMIN_PERM,
13998 .doit = nl80211_set_beacon,
13999 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14000 NL80211_FLAG_NEED_RTNL,
14003 .cmd = NL80211_CMD_START_AP,
14004 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14005 .flags = GENL_UNS_ADMIN_PERM,
14006 .doit = nl80211_start_ap,
14007 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14008 NL80211_FLAG_NEED_RTNL,
14011 .cmd = NL80211_CMD_STOP_AP,
14012 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14013 .flags = GENL_UNS_ADMIN_PERM,
14014 .doit = nl80211_stop_ap,
14015 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14016 NL80211_FLAG_NEED_RTNL,
14019 .cmd = NL80211_CMD_GET_STATION,
14020 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14021 .doit = nl80211_get_station,
14022 .dumpit = nl80211_dump_station,
14023 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14024 NL80211_FLAG_NEED_RTNL,
14027 .cmd = NL80211_CMD_SET_STATION,
14028 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14029 .doit = nl80211_set_station,
14030 .flags = GENL_UNS_ADMIN_PERM,
14031 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14032 NL80211_FLAG_NEED_RTNL,
14035 .cmd = NL80211_CMD_NEW_STATION,
14036 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14037 .doit = nl80211_new_station,
14038 .flags = GENL_UNS_ADMIN_PERM,
14039 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14040 NL80211_FLAG_NEED_RTNL,
14043 .cmd = NL80211_CMD_DEL_STATION,
14044 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14045 .doit = nl80211_del_station,
14046 .flags = GENL_UNS_ADMIN_PERM,
14047 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14048 NL80211_FLAG_NEED_RTNL,
14051 .cmd = NL80211_CMD_GET_MPATH,
14052 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14053 .doit = nl80211_get_mpath,
14054 .dumpit = nl80211_dump_mpath,
14055 .flags = GENL_UNS_ADMIN_PERM,
14056 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14057 NL80211_FLAG_NEED_RTNL,
14060 .cmd = NL80211_CMD_GET_MPP,
14061 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14062 .doit = nl80211_get_mpp,
14063 .dumpit = nl80211_dump_mpp,
14064 .flags = GENL_UNS_ADMIN_PERM,
14065 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14066 NL80211_FLAG_NEED_RTNL,
14069 .cmd = NL80211_CMD_SET_MPATH,
14070 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14071 .doit = nl80211_set_mpath,
14072 .flags = GENL_UNS_ADMIN_PERM,
14073 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14074 NL80211_FLAG_NEED_RTNL,
14077 .cmd = NL80211_CMD_NEW_MPATH,
14078 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14079 .doit = nl80211_new_mpath,
14080 .flags = GENL_UNS_ADMIN_PERM,
14081 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14082 NL80211_FLAG_NEED_RTNL,
14085 .cmd = NL80211_CMD_DEL_MPATH,
14086 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14087 .doit = nl80211_del_mpath,
14088 .flags = GENL_UNS_ADMIN_PERM,
14089 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14090 NL80211_FLAG_NEED_RTNL,
14093 .cmd = NL80211_CMD_SET_BSS,
14094 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14095 .doit = nl80211_set_bss,
14096 .flags = GENL_UNS_ADMIN_PERM,
14097 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14098 NL80211_FLAG_NEED_RTNL,
14101 .cmd = NL80211_CMD_GET_REG,
14102 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14103 .doit = nl80211_get_reg_do,
14104 .dumpit = nl80211_get_reg_dump,
14105 .internal_flags = NL80211_FLAG_NEED_RTNL,
14106 /* can be retrieved by unprivileged users */
14108 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
14110 .cmd = NL80211_CMD_SET_REG,
14111 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14112 .doit = nl80211_set_reg,
14113 .flags = GENL_ADMIN_PERM,
14114 .internal_flags = NL80211_FLAG_NEED_RTNL,
14118 .cmd = NL80211_CMD_REQ_SET_REG,
14119 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14120 .doit = nl80211_req_set_reg,
14121 .flags = GENL_ADMIN_PERM,
14124 .cmd = NL80211_CMD_RELOAD_REGDB,
14125 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14126 .doit = nl80211_reload_regdb,
14127 .flags = GENL_ADMIN_PERM,
14130 .cmd = NL80211_CMD_GET_MESH_CONFIG,
14131 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14132 .doit = nl80211_get_mesh_config,
14133 /* can be retrieved by unprivileged users */
14134 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14135 NL80211_FLAG_NEED_RTNL,
14138 .cmd = NL80211_CMD_SET_MESH_CONFIG,
14139 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14140 .doit = nl80211_update_mesh_config,
14141 .flags = GENL_UNS_ADMIN_PERM,
14142 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14143 NL80211_FLAG_NEED_RTNL,
14146 .cmd = NL80211_CMD_TRIGGER_SCAN,
14147 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14148 .doit = nl80211_trigger_scan,
14149 .flags = GENL_UNS_ADMIN_PERM,
14150 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14151 NL80211_FLAG_NEED_RTNL,
14154 .cmd = NL80211_CMD_ABORT_SCAN,
14155 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14156 .doit = nl80211_abort_scan,
14157 .flags = GENL_UNS_ADMIN_PERM,
14158 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14159 NL80211_FLAG_NEED_RTNL,
14162 .cmd = NL80211_CMD_GET_SCAN,
14163 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14164 .dumpit = nl80211_dump_scan,
14167 .cmd = NL80211_CMD_START_SCHED_SCAN,
14168 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14169 .doit = nl80211_start_sched_scan,
14170 .flags = GENL_UNS_ADMIN_PERM,
14171 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14172 NL80211_FLAG_NEED_RTNL,
14175 .cmd = NL80211_CMD_STOP_SCHED_SCAN,
14176 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14177 .doit = nl80211_stop_sched_scan,
14178 .flags = GENL_UNS_ADMIN_PERM,
14179 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14180 NL80211_FLAG_NEED_RTNL,
14183 .cmd = NL80211_CMD_AUTHENTICATE,
14184 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14185 .doit = nl80211_authenticate,
14186 .flags = GENL_UNS_ADMIN_PERM,
14187 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14188 NL80211_FLAG_NEED_RTNL |
14189 NL80211_FLAG_CLEAR_SKB,
14192 .cmd = NL80211_CMD_ASSOCIATE,
14193 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14194 .doit = nl80211_associate,
14195 .flags = GENL_UNS_ADMIN_PERM,
14196 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14197 NL80211_FLAG_NEED_RTNL |
14198 NL80211_FLAG_CLEAR_SKB,
14201 .cmd = NL80211_CMD_DEAUTHENTICATE,
14202 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14203 .doit = nl80211_deauthenticate,
14204 .flags = GENL_UNS_ADMIN_PERM,
14205 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14206 NL80211_FLAG_NEED_RTNL,
14209 .cmd = NL80211_CMD_DISASSOCIATE,
14210 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14211 .doit = nl80211_disassociate,
14212 .flags = GENL_UNS_ADMIN_PERM,
14213 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14214 NL80211_FLAG_NEED_RTNL,
14217 .cmd = NL80211_CMD_JOIN_IBSS,
14218 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14219 .doit = nl80211_join_ibss,
14220 .flags = GENL_UNS_ADMIN_PERM,
14221 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14222 NL80211_FLAG_NEED_RTNL,
14225 .cmd = NL80211_CMD_LEAVE_IBSS,
14226 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14227 .doit = nl80211_leave_ibss,
14228 .flags = GENL_UNS_ADMIN_PERM,
14229 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14230 NL80211_FLAG_NEED_RTNL,
14232 #ifdef CONFIG_NL80211_TESTMODE
14234 .cmd = NL80211_CMD_TESTMODE,
14235 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14236 .doit = nl80211_testmode_do,
14237 .dumpit = nl80211_testmode_dump,
14238 .flags = GENL_UNS_ADMIN_PERM,
14239 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14240 NL80211_FLAG_NEED_RTNL,
14244 .cmd = NL80211_CMD_CONNECT,
14245 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14246 .doit = nl80211_connect,
14247 .flags = GENL_UNS_ADMIN_PERM,
14248 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14249 NL80211_FLAG_NEED_RTNL |
14250 NL80211_FLAG_CLEAR_SKB,
14253 .cmd = NL80211_CMD_UPDATE_CONNECT_PARAMS,
14254 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14255 .doit = nl80211_update_connect_params,
14256 .flags = GENL_ADMIN_PERM,
14257 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14258 NL80211_FLAG_NEED_RTNL |
14259 NL80211_FLAG_CLEAR_SKB,
14262 .cmd = NL80211_CMD_DISCONNECT,
14263 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14264 .doit = nl80211_disconnect,
14265 .flags = GENL_UNS_ADMIN_PERM,
14266 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14267 NL80211_FLAG_NEED_RTNL,
14270 .cmd = NL80211_CMD_SET_WIPHY_NETNS,
14271 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14272 .doit = nl80211_wiphy_netns,
14273 .flags = GENL_UNS_ADMIN_PERM,
14274 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14275 NL80211_FLAG_NEED_RTNL,
14278 .cmd = NL80211_CMD_GET_SURVEY,
14279 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14280 .dumpit = nl80211_dump_survey,
14283 .cmd = NL80211_CMD_SET_PMKSA,
14284 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14285 .doit = nl80211_setdel_pmksa,
14286 .flags = GENL_UNS_ADMIN_PERM,
14287 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14288 NL80211_FLAG_NEED_RTNL |
14289 NL80211_FLAG_CLEAR_SKB,
14292 .cmd = NL80211_CMD_DEL_PMKSA,
14293 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14294 .doit = nl80211_setdel_pmksa,
14295 .flags = GENL_UNS_ADMIN_PERM,
14296 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14297 NL80211_FLAG_NEED_RTNL,
14300 .cmd = NL80211_CMD_FLUSH_PMKSA,
14301 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14302 .doit = nl80211_flush_pmksa,
14303 .flags = GENL_UNS_ADMIN_PERM,
14304 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14305 NL80211_FLAG_NEED_RTNL,
14308 .cmd = NL80211_CMD_REMAIN_ON_CHANNEL,
14309 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14310 .doit = nl80211_remain_on_channel,
14311 .flags = GENL_UNS_ADMIN_PERM,
14312 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14313 NL80211_FLAG_NEED_RTNL,
14316 .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
14317 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14318 .doit = nl80211_cancel_remain_on_channel,
14319 .flags = GENL_UNS_ADMIN_PERM,
14320 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14321 NL80211_FLAG_NEED_RTNL,
14324 .cmd = NL80211_CMD_SET_TX_BITRATE_MASK,
14325 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14326 .doit = nl80211_set_tx_bitrate_mask,
14327 .flags = GENL_UNS_ADMIN_PERM,
14328 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14329 NL80211_FLAG_NEED_RTNL,
14332 .cmd = NL80211_CMD_REGISTER_FRAME,
14333 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14334 .doit = nl80211_register_mgmt,
14335 .flags = GENL_UNS_ADMIN_PERM,
14336 .internal_flags = NL80211_FLAG_NEED_WDEV |
14337 NL80211_FLAG_NEED_RTNL,
14340 .cmd = NL80211_CMD_FRAME,
14341 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14342 .doit = nl80211_tx_mgmt,
14343 .flags = GENL_UNS_ADMIN_PERM,
14344 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14345 NL80211_FLAG_NEED_RTNL,
14348 .cmd = NL80211_CMD_FRAME_WAIT_CANCEL,
14349 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14350 .doit = nl80211_tx_mgmt_cancel_wait,
14351 .flags = GENL_UNS_ADMIN_PERM,
14352 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14353 NL80211_FLAG_NEED_RTNL,
14356 .cmd = NL80211_CMD_SET_POWER_SAVE,
14357 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14358 .doit = nl80211_set_power_save,
14359 .flags = GENL_UNS_ADMIN_PERM,
14360 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14361 NL80211_FLAG_NEED_RTNL,
14364 .cmd = NL80211_CMD_GET_POWER_SAVE,
14365 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14366 .doit = nl80211_get_power_save,
14367 /* can be retrieved by unprivileged users */
14368 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14369 NL80211_FLAG_NEED_RTNL,
14372 .cmd = NL80211_CMD_SET_CQM,
14373 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14374 .doit = nl80211_set_cqm,
14375 .flags = GENL_UNS_ADMIN_PERM,
14376 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14377 NL80211_FLAG_NEED_RTNL,
14380 .cmd = NL80211_CMD_SET_CHANNEL,
14381 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14382 .doit = nl80211_set_channel,
14383 .flags = GENL_UNS_ADMIN_PERM,
14384 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14385 NL80211_FLAG_NEED_RTNL,
14388 .cmd = NL80211_CMD_SET_WDS_PEER,
14389 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14390 .doit = nl80211_set_wds_peer,
14391 .flags = GENL_UNS_ADMIN_PERM,
14392 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14393 NL80211_FLAG_NEED_RTNL,
14396 .cmd = NL80211_CMD_JOIN_MESH,
14397 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14398 .doit = nl80211_join_mesh,
14399 .flags = GENL_UNS_ADMIN_PERM,
14400 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14401 NL80211_FLAG_NEED_RTNL,
14404 .cmd = NL80211_CMD_LEAVE_MESH,
14405 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14406 .doit = nl80211_leave_mesh,
14407 .flags = GENL_UNS_ADMIN_PERM,
14408 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14409 NL80211_FLAG_NEED_RTNL,
14412 .cmd = NL80211_CMD_JOIN_OCB,
14413 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14414 .doit = nl80211_join_ocb,
14415 .flags = GENL_UNS_ADMIN_PERM,
14416 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14417 NL80211_FLAG_NEED_RTNL,
14420 .cmd = NL80211_CMD_LEAVE_OCB,
14421 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14422 .doit = nl80211_leave_ocb,
14423 .flags = GENL_UNS_ADMIN_PERM,
14424 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14425 NL80211_FLAG_NEED_RTNL,
14429 .cmd = NL80211_CMD_GET_WOWLAN,
14430 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14431 .doit = nl80211_get_wowlan,
14432 /* can be retrieved by unprivileged users */
14433 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14434 NL80211_FLAG_NEED_RTNL,
14437 .cmd = NL80211_CMD_SET_WOWLAN,
14438 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14439 .doit = nl80211_set_wowlan,
14440 .flags = GENL_UNS_ADMIN_PERM,
14441 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14442 NL80211_FLAG_NEED_RTNL,
14446 .cmd = NL80211_CMD_SET_REKEY_OFFLOAD,
14447 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14448 .doit = nl80211_set_rekey_data,
14449 .flags = GENL_UNS_ADMIN_PERM,
14450 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14451 NL80211_FLAG_NEED_RTNL |
14452 NL80211_FLAG_CLEAR_SKB,
14455 .cmd = NL80211_CMD_TDLS_MGMT,
14456 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14457 .doit = nl80211_tdls_mgmt,
14458 .flags = GENL_UNS_ADMIN_PERM,
14459 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14460 NL80211_FLAG_NEED_RTNL,
14463 .cmd = NL80211_CMD_TDLS_OPER,
14464 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14465 .doit = nl80211_tdls_oper,
14466 .flags = GENL_UNS_ADMIN_PERM,
14467 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14468 NL80211_FLAG_NEED_RTNL,
14471 .cmd = NL80211_CMD_UNEXPECTED_FRAME,
14472 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14473 .doit = nl80211_register_unexpected_frame,
14474 .flags = GENL_UNS_ADMIN_PERM,
14475 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14476 NL80211_FLAG_NEED_RTNL,
14479 .cmd = NL80211_CMD_PROBE_CLIENT,
14480 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14481 .doit = nl80211_probe_client,
14482 .flags = GENL_UNS_ADMIN_PERM,
14483 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14484 NL80211_FLAG_NEED_RTNL,
14487 .cmd = NL80211_CMD_REGISTER_BEACONS,
14488 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14489 .doit = nl80211_register_beacons,
14490 .flags = GENL_UNS_ADMIN_PERM,
14491 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14492 NL80211_FLAG_NEED_RTNL,
14495 .cmd = NL80211_CMD_SET_NOACK_MAP,
14496 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14497 .doit = nl80211_set_noack_map,
14498 .flags = GENL_UNS_ADMIN_PERM,
14499 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14500 NL80211_FLAG_NEED_RTNL,
14503 .cmd = NL80211_CMD_START_P2P_DEVICE,
14504 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14505 .doit = nl80211_start_p2p_device,
14506 .flags = GENL_UNS_ADMIN_PERM,
14507 .internal_flags = NL80211_FLAG_NEED_WDEV |
14508 NL80211_FLAG_NEED_RTNL,
14511 .cmd = NL80211_CMD_STOP_P2P_DEVICE,
14512 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14513 .doit = nl80211_stop_p2p_device,
14514 .flags = GENL_UNS_ADMIN_PERM,
14515 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14516 NL80211_FLAG_NEED_RTNL,
14519 .cmd = NL80211_CMD_START_NAN,
14520 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14521 .doit = nl80211_start_nan,
14522 .flags = GENL_ADMIN_PERM,
14523 .internal_flags = NL80211_FLAG_NEED_WDEV |
14524 NL80211_FLAG_NEED_RTNL,
14527 .cmd = NL80211_CMD_STOP_NAN,
14528 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14529 .doit = nl80211_stop_nan,
14530 .flags = GENL_ADMIN_PERM,
14531 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14532 NL80211_FLAG_NEED_RTNL,
14535 .cmd = NL80211_CMD_ADD_NAN_FUNCTION,
14536 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14537 .doit = nl80211_nan_add_func,
14538 .flags = GENL_ADMIN_PERM,
14539 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14540 NL80211_FLAG_NEED_RTNL,
14543 .cmd = NL80211_CMD_DEL_NAN_FUNCTION,
14544 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14545 .doit = nl80211_nan_del_func,
14546 .flags = GENL_ADMIN_PERM,
14547 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14548 NL80211_FLAG_NEED_RTNL,
14551 .cmd = NL80211_CMD_CHANGE_NAN_CONFIG,
14552 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14553 .doit = nl80211_nan_change_config,
14554 .flags = GENL_ADMIN_PERM,
14555 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14556 NL80211_FLAG_NEED_RTNL,
14559 .cmd = NL80211_CMD_SET_MCAST_RATE,
14560 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14561 .doit = nl80211_set_mcast_rate,
14562 .flags = GENL_UNS_ADMIN_PERM,
14563 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14564 NL80211_FLAG_NEED_RTNL,
14567 .cmd = NL80211_CMD_SET_MAC_ACL,
14568 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14569 .doit = nl80211_set_mac_acl,
14570 .flags = GENL_UNS_ADMIN_PERM,
14571 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14572 NL80211_FLAG_NEED_RTNL,
14575 .cmd = NL80211_CMD_RADAR_DETECT,
14576 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14577 .doit = nl80211_start_radar_detection,
14578 .flags = GENL_UNS_ADMIN_PERM,
14579 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14580 NL80211_FLAG_NEED_RTNL,
14583 .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES,
14584 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14585 .doit = nl80211_get_protocol_features,
14588 .cmd = NL80211_CMD_UPDATE_FT_IES,
14589 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14590 .doit = nl80211_update_ft_ies,
14591 .flags = GENL_UNS_ADMIN_PERM,
14592 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14593 NL80211_FLAG_NEED_RTNL,
14596 .cmd = NL80211_CMD_CRIT_PROTOCOL_START,
14597 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14598 .doit = nl80211_crit_protocol_start,
14599 .flags = GENL_UNS_ADMIN_PERM,
14600 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14601 NL80211_FLAG_NEED_RTNL,
14604 .cmd = NL80211_CMD_CRIT_PROTOCOL_STOP,
14605 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14606 .doit = nl80211_crit_protocol_stop,
14607 .flags = GENL_UNS_ADMIN_PERM,
14608 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14609 NL80211_FLAG_NEED_RTNL,
14612 .cmd = NL80211_CMD_GET_COALESCE,
14613 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14614 .doit = nl80211_get_coalesce,
14615 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14616 NL80211_FLAG_NEED_RTNL,
14619 .cmd = NL80211_CMD_SET_COALESCE,
14620 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14621 .doit = nl80211_set_coalesce,
14622 .flags = GENL_UNS_ADMIN_PERM,
14623 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14624 NL80211_FLAG_NEED_RTNL,
14627 .cmd = NL80211_CMD_CHANNEL_SWITCH,
14628 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14629 .doit = nl80211_channel_switch,
14630 .flags = GENL_UNS_ADMIN_PERM,
14631 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14632 NL80211_FLAG_NEED_RTNL,
14635 .cmd = NL80211_CMD_VENDOR,
14636 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14637 .doit = nl80211_vendor_cmd,
14638 .dumpit = nl80211_vendor_cmd_dump,
14639 .flags = GENL_UNS_ADMIN_PERM,
14640 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14641 NL80211_FLAG_NEED_RTNL |
14642 NL80211_FLAG_CLEAR_SKB,
14645 .cmd = NL80211_CMD_SET_QOS_MAP,
14646 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14647 .doit = nl80211_set_qos_map,
14648 .flags = GENL_UNS_ADMIN_PERM,
14649 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14650 NL80211_FLAG_NEED_RTNL,
14653 .cmd = NL80211_CMD_ADD_TX_TS,
14654 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14655 .doit = nl80211_add_tx_ts,
14656 .flags = GENL_UNS_ADMIN_PERM,
14657 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14658 NL80211_FLAG_NEED_RTNL,
14661 .cmd = NL80211_CMD_DEL_TX_TS,
14662 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14663 .doit = nl80211_del_tx_ts,
14664 .flags = GENL_UNS_ADMIN_PERM,
14665 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14666 NL80211_FLAG_NEED_RTNL,
14669 .cmd = NL80211_CMD_TDLS_CHANNEL_SWITCH,
14670 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14671 .doit = nl80211_tdls_channel_switch,
14672 .flags = GENL_UNS_ADMIN_PERM,
14673 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14674 NL80211_FLAG_NEED_RTNL,
14677 .cmd = NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH,
14678 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14679 .doit = nl80211_tdls_cancel_channel_switch,
14680 .flags = GENL_UNS_ADMIN_PERM,
14681 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14682 NL80211_FLAG_NEED_RTNL,
14685 .cmd = NL80211_CMD_SET_MULTICAST_TO_UNICAST,
14686 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14687 .doit = nl80211_set_multicast_to_unicast,
14688 .flags = GENL_UNS_ADMIN_PERM,
14689 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14690 NL80211_FLAG_NEED_RTNL,
14693 .cmd = NL80211_CMD_SET_PMK,
14694 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14695 .doit = nl80211_set_pmk,
14696 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14697 NL80211_FLAG_NEED_RTNL |
14698 NL80211_FLAG_CLEAR_SKB,
14701 .cmd = NL80211_CMD_DEL_PMK,
14702 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14703 .doit = nl80211_del_pmk,
14704 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14705 NL80211_FLAG_NEED_RTNL,
14708 .cmd = NL80211_CMD_EXTERNAL_AUTH,
14709 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14710 .doit = nl80211_external_auth,
14711 .flags = GENL_ADMIN_PERM,
14712 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14713 NL80211_FLAG_NEED_RTNL,
14716 .cmd = NL80211_CMD_CONTROL_PORT_FRAME,
14717 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14718 .doit = nl80211_tx_control_port,
14719 .flags = GENL_UNS_ADMIN_PERM,
14720 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14721 NL80211_FLAG_NEED_RTNL,
14724 .cmd = NL80211_CMD_GET_FTM_RESPONDER_STATS,
14725 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14726 .doit = nl80211_get_ftm_responder_stats,
14727 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14728 NL80211_FLAG_NEED_RTNL,
14731 .cmd = NL80211_CMD_PEER_MEASUREMENT_START,
14732 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14733 .doit = nl80211_pmsr_start,
14734 .flags = GENL_UNS_ADMIN_PERM,
14735 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14736 NL80211_FLAG_NEED_RTNL,
14739 .cmd = NL80211_CMD_NOTIFY_RADAR,
14740 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14741 .doit = nl80211_notify_radar_detection,
14742 .flags = GENL_UNS_ADMIN_PERM,
14743 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14744 NL80211_FLAG_NEED_RTNL,
14747 .cmd = NL80211_CMD_UPDATE_OWE_INFO,
14748 .doit = nl80211_update_owe_info,
14749 .flags = GENL_ADMIN_PERM,
14750 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14751 NL80211_FLAG_NEED_RTNL,
14754 .cmd = NL80211_CMD_PROBE_MESH_LINK,
14755 .doit = nl80211_probe_mesh_link,
14756 .flags = GENL_UNS_ADMIN_PERM,
14757 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14758 NL80211_FLAG_NEED_RTNL,
14762 static struct genl_family nl80211_fam __ro_after_init = {
14763 .name = NL80211_GENL_NAME, /* have users key off the name instead */
14764 .hdrsize = 0, /* no private header */
14765 .version = 1, /* no particular meaning now */
14766 .maxattr = NL80211_ATTR_MAX,
14767 .policy = nl80211_policy,
14769 .pre_doit = nl80211_pre_doit,
14770 .post_doit = nl80211_post_doit,
14771 .module = THIS_MODULE,
14772 .ops = nl80211_ops,
14773 .n_ops = ARRAY_SIZE(nl80211_ops),
14774 .mcgrps = nl80211_mcgrps,
14775 .n_mcgrps = ARRAY_SIZE(nl80211_mcgrps),
14776 .parallel_ops = true,
14779 /* notification functions */
14781 void nl80211_notify_wiphy(struct cfg80211_registered_device *rdev,
14782 enum nl80211_commands cmd)
14784 struct sk_buff *msg;
14785 struct nl80211_dump_wiphy_state state = {};
14787 WARN_ON(cmd != NL80211_CMD_NEW_WIPHY &&
14788 cmd != NL80211_CMD_DEL_WIPHY);
14790 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14794 if (nl80211_send_wiphy(rdev, cmd, msg, 0, 0, 0, &state) < 0) {
14799 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14800 NL80211_MCGRP_CONFIG, GFP_KERNEL);
14803 void nl80211_notify_iface(struct cfg80211_registered_device *rdev,
14804 struct wireless_dev *wdev,
14805 enum nl80211_commands cmd)
14807 struct sk_buff *msg;
14809 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14813 if (nl80211_send_iface(msg, 0, 0, 0, rdev, wdev, cmd) < 0) {
14818 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14819 NL80211_MCGRP_CONFIG, GFP_KERNEL);
14822 static int nl80211_add_scan_req(struct sk_buff *msg,
14823 struct cfg80211_registered_device *rdev)
14825 struct cfg80211_scan_request *req = rdev->scan_req;
14826 struct nlattr *nest;
14832 nest = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_SSIDS);
14834 goto nla_put_failure;
14835 for (i = 0; i < req->n_ssids; i++) {
14836 if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid))
14837 goto nla_put_failure;
14839 nla_nest_end(msg, nest);
14841 nest = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_FREQUENCIES);
14843 goto nla_put_failure;
14844 for (i = 0; i < req->n_channels; i++) {
14845 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
14846 goto nla_put_failure;
14848 nla_nest_end(msg, nest);
14851 nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie))
14852 goto nla_put_failure;
14855 nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags))
14856 goto nla_put_failure;
14858 if (req->info.scan_start_tsf &&
14859 (nla_put_u64_64bit(msg, NL80211_ATTR_SCAN_START_TIME_TSF,
14860 req->info.scan_start_tsf, NL80211_BSS_PAD) ||
14861 nla_put(msg, NL80211_ATTR_SCAN_START_TIME_TSF_BSSID, ETH_ALEN,
14862 req->info.tsf_bssid)))
14863 goto nla_put_failure;
14870 static int nl80211_prep_scan_msg(struct sk_buff *msg,
14871 struct cfg80211_registered_device *rdev,
14872 struct wireless_dev *wdev,
14873 u32 portid, u32 seq, int flags,
14878 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
14882 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14883 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
14884 wdev->netdev->ifindex)) ||
14885 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
14887 goto nla_put_failure;
14889 /* ignore errors and send incomplete event anyway */
14890 nl80211_add_scan_req(msg, rdev);
14892 genlmsg_end(msg, hdr);
14896 genlmsg_cancel(msg, hdr);
14901 nl80211_prep_sched_scan_msg(struct sk_buff *msg,
14902 struct cfg80211_sched_scan_request *req, u32 cmd)
14906 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
14910 if (nla_put_u32(msg, NL80211_ATTR_WIPHY,
14911 wiphy_to_rdev(req->wiphy)->wiphy_idx) ||
14912 nla_put_u32(msg, NL80211_ATTR_IFINDEX, req->dev->ifindex) ||
14913 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, req->reqid,
14915 goto nla_put_failure;
14917 genlmsg_end(msg, hdr);
14921 genlmsg_cancel(msg, hdr);
14925 void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
14926 struct wireless_dev *wdev)
14928 struct sk_buff *msg;
14930 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14934 if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0,
14935 NL80211_CMD_TRIGGER_SCAN) < 0) {
14940 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14941 NL80211_MCGRP_SCAN, GFP_KERNEL);
14944 struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev,
14945 struct wireless_dev *wdev, bool aborted)
14947 struct sk_buff *msg;
14949 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14953 if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0,
14954 aborted ? NL80211_CMD_SCAN_ABORTED :
14955 NL80211_CMD_NEW_SCAN_RESULTS) < 0) {
14963 /* send message created by nl80211_build_scan_msg() */
14964 void nl80211_send_scan_msg(struct cfg80211_registered_device *rdev,
14965 struct sk_buff *msg)
14970 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14971 NL80211_MCGRP_SCAN, GFP_KERNEL);
14974 void nl80211_send_sched_scan(struct cfg80211_sched_scan_request *req, u32 cmd)
14976 struct sk_buff *msg;
14978 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14982 if (nl80211_prep_sched_scan_msg(msg, req, cmd) < 0) {
14987 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(req->wiphy), msg, 0,
14988 NL80211_MCGRP_SCAN, GFP_KERNEL);
14991 static bool nl80211_reg_change_event_fill(struct sk_buff *msg,
14992 struct regulatory_request *request)
14994 /* Userspace can always count this one always being set */
14995 if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator))
14996 goto nla_put_failure;
14998 if (request->alpha2[0] == '0' && request->alpha2[1] == '0') {
14999 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
15000 NL80211_REGDOM_TYPE_WORLD))
15001 goto nla_put_failure;
15002 } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') {
15003 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
15004 NL80211_REGDOM_TYPE_CUSTOM_WORLD))
15005 goto nla_put_failure;
15006 } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') ||
15007 request->intersect) {
15008 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
15009 NL80211_REGDOM_TYPE_INTERSECTION))
15010 goto nla_put_failure;
15012 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
15013 NL80211_REGDOM_TYPE_COUNTRY) ||
15014 nla_put_string(msg, NL80211_ATTR_REG_ALPHA2,
15016 goto nla_put_failure;
15019 if (request->wiphy_idx != WIPHY_IDX_INVALID) {
15020 struct wiphy *wiphy = wiphy_idx_to_wiphy(request->wiphy_idx);
15023 nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx))
15024 goto nla_put_failure;
15027 wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
15028 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
15029 goto nla_put_failure;
15039 * This can happen on global regulatory changes or device specific settings
15040 * based on custom regulatory domains.
15042 void nl80211_common_reg_change_event(enum nl80211_commands cmd_id,
15043 struct regulatory_request *request)
15045 struct sk_buff *msg;
15048 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
15052 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd_id);
15054 goto nla_put_failure;
15056 if (!nl80211_reg_change_event_fill(msg, request))
15057 goto nla_put_failure;
15059 genlmsg_end(msg, hdr);
15062 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
15063 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
15072 static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
15073 struct net_device *netdev,
15074 const u8 *buf, size_t len,
15075 enum nl80211_commands cmd, gfp_t gfp,
15076 int uapsd_queues, const u8 *req_ies,
15077 size_t req_ies_len)
15079 struct sk_buff *msg;
15082 msg = nlmsg_new(100 + len + req_ies_len, gfp);
15086 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
15092 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15093 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15094 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
15096 nla_put(msg, NL80211_ATTR_REQ_IE, req_ies_len, req_ies)))
15097 goto nla_put_failure;
15099 if (uapsd_queues >= 0) {
15100 struct nlattr *nla_wmm =
15101 nla_nest_start_noflag(msg, NL80211_ATTR_STA_WME);
15103 goto nla_put_failure;
15105 if (nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES,
15107 goto nla_put_failure;
15109 nla_nest_end(msg, nla_wmm);
15112 genlmsg_end(msg, hdr);
15114 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15115 NL80211_MCGRP_MLME, gfp);
15122 void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev,
15123 struct net_device *netdev, const u8 *buf,
15124 size_t len, gfp_t gfp)
15126 nl80211_send_mlme_event(rdev, netdev, buf, len,
15127 NL80211_CMD_AUTHENTICATE, gfp, -1, NULL, 0);
15130 void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev,
15131 struct net_device *netdev, const u8 *buf,
15132 size_t len, gfp_t gfp, int uapsd_queues,
15133 const u8 *req_ies, size_t req_ies_len)
15135 nl80211_send_mlme_event(rdev, netdev, buf, len,
15136 NL80211_CMD_ASSOCIATE, gfp, uapsd_queues,
15137 req_ies, req_ies_len);
15140 void nl80211_send_deauth(struct cfg80211_registered_device *rdev,
15141 struct net_device *netdev, const u8 *buf,
15142 size_t len, gfp_t gfp)
15144 nl80211_send_mlme_event(rdev, netdev, buf, len,
15145 NL80211_CMD_DEAUTHENTICATE, gfp, -1, NULL, 0);
15148 void nl80211_send_disassoc(struct cfg80211_registered_device *rdev,
15149 struct net_device *netdev, const u8 *buf,
15150 size_t len, gfp_t gfp)
15152 nl80211_send_mlme_event(rdev, netdev, buf, len,
15153 NL80211_CMD_DISASSOCIATE, gfp, -1, NULL, 0);
15156 void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf,
15159 struct wireless_dev *wdev = dev->ieee80211_ptr;
15160 struct wiphy *wiphy = wdev->wiphy;
15161 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15162 const struct ieee80211_mgmt *mgmt = (void *)buf;
15165 if (WARN_ON(len < 2))
15168 if (ieee80211_is_deauth(mgmt->frame_control))
15169 cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE;
15171 cmd = NL80211_CMD_UNPROT_DISASSOCIATE;
15173 trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len);
15174 nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC, -1,
15177 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt);
15179 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev,
15180 struct net_device *netdev, int cmd,
15181 const u8 *addr, gfp_t gfp)
15183 struct sk_buff *msg;
15186 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15190 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
15196 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15197 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15198 nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
15199 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
15200 goto nla_put_failure;
15202 genlmsg_end(msg, hdr);
15204 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15205 NL80211_MCGRP_MLME, gfp);
15212 void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev,
15213 struct net_device *netdev, const u8 *addr,
15216 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE,
15220 void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev,
15221 struct net_device *netdev, const u8 *addr,
15224 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE,
15228 void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
15229 struct net_device *netdev,
15230 struct cfg80211_connect_resp_params *cr,
15233 struct sk_buff *msg;
15236 msg = nlmsg_new(100 + cr->req_ie_len + cr->resp_ie_len +
15237 cr->fils.kek_len + cr->fils.pmk_len +
15238 (cr->fils.pmkid ? WLAN_PMKID_LEN : 0), gfp);
15242 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT);
15248 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15249 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15251 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, cr->bssid)) ||
15252 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE,
15253 cr->status < 0 ? WLAN_STATUS_UNSPECIFIED_FAILURE :
15256 (nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
15257 nla_put_u32(msg, NL80211_ATTR_TIMEOUT_REASON,
15258 cr->timeout_reason))) ||
15260 nla_put(msg, NL80211_ATTR_REQ_IE, cr->req_ie_len, cr->req_ie)) ||
15262 nla_put(msg, NL80211_ATTR_RESP_IE, cr->resp_ie_len,
15264 (cr->fils.update_erp_next_seq_num &&
15265 nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
15266 cr->fils.erp_next_seq_num)) ||
15267 (cr->status == WLAN_STATUS_SUCCESS &&
15269 nla_put(msg, NL80211_ATTR_FILS_KEK, cr->fils.kek_len,
15272 nla_put(msg, NL80211_ATTR_PMK, cr->fils.pmk_len, cr->fils.pmk)) ||
15274 nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, cr->fils.pmkid)))))
15275 goto nla_put_failure;
15277 genlmsg_end(msg, hdr);
15279 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15280 NL80211_MCGRP_MLME, gfp);
15287 void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
15288 struct net_device *netdev,
15289 struct cfg80211_roam_info *info, gfp_t gfp)
15291 struct sk_buff *msg;
15293 const u8 *bssid = info->bss ? info->bss->bssid : info->bssid;
15295 msg = nlmsg_new(100 + info->req_ie_len + info->resp_ie_len +
15296 info->fils.kek_len + info->fils.pmk_len +
15297 (info->fils.pmkid ? WLAN_PMKID_LEN : 0), gfp);
15301 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM);
15307 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15308 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15309 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid) ||
15311 nla_put(msg, NL80211_ATTR_REQ_IE, info->req_ie_len,
15314 nla_put(msg, NL80211_ATTR_RESP_IE, info->resp_ie_len,
15316 (info->fils.update_erp_next_seq_num &&
15317 nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
15318 info->fils.erp_next_seq_num)) ||
15320 nla_put(msg, NL80211_ATTR_FILS_KEK, info->fils.kek_len,
15321 info->fils.kek)) ||
15323 nla_put(msg, NL80211_ATTR_PMK, info->fils.pmk_len, info->fils.pmk)) ||
15324 (info->fils.pmkid &&
15325 nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, info->fils.pmkid)))
15326 goto nla_put_failure;
15328 genlmsg_end(msg, hdr);
15330 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15331 NL80211_MCGRP_MLME, gfp);
15338 void nl80211_send_port_authorized(struct cfg80211_registered_device *rdev,
15339 struct net_device *netdev, const u8 *bssid)
15341 struct sk_buff *msg;
15344 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
15348 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PORT_AUTHORIZED);
15354 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15355 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15356 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
15357 goto nla_put_failure;
15359 genlmsg_end(msg, hdr);
15361 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15362 NL80211_MCGRP_MLME, GFP_KERNEL);
15369 void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
15370 struct net_device *netdev, u16 reason,
15371 const u8 *ie, size_t ie_len, bool from_ap)
15373 struct sk_buff *msg;
15376 msg = nlmsg_new(100 + ie_len, GFP_KERNEL);
15380 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT);
15386 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15387 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15389 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) ||
15391 nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) ||
15392 (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie)))
15393 goto nla_put_failure;
15395 genlmsg_end(msg, hdr);
15397 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15398 NL80211_MCGRP_MLME, GFP_KERNEL);
15405 void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev,
15406 struct net_device *netdev, const u8 *bssid,
15409 struct sk_buff *msg;
15412 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15416 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS);
15422 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15423 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15424 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
15425 goto nla_put_failure;
15427 genlmsg_end(msg, hdr);
15429 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15430 NL80211_MCGRP_MLME, gfp);
15437 void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr,
15438 const u8 *ie, u8 ie_len,
15439 int sig_dbm, gfp_t gfp)
15441 struct wireless_dev *wdev = dev->ieee80211_ptr;
15442 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
15443 struct sk_buff *msg;
15446 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT))
15449 trace_cfg80211_notify_new_peer_candidate(dev, addr);
15451 msg = nlmsg_new(100 + ie_len, gfp);
15455 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE);
15461 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15462 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
15463 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
15465 nla_put(msg, NL80211_ATTR_IE, ie_len, ie)) ||
15467 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)))
15468 goto nla_put_failure;
15470 genlmsg_end(msg, hdr);
15472 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15473 NL80211_MCGRP_MLME, gfp);
15479 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate);
15481 void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
15482 struct net_device *netdev, const u8 *addr,
15483 enum nl80211_key_type key_type, int key_id,
15484 const u8 *tsc, gfp_t gfp)
15486 struct sk_buff *msg;
15489 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15493 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE);
15499 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15500 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15501 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
15502 nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) ||
15504 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) ||
15505 (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc)))
15506 goto nla_put_failure;
15508 genlmsg_end(msg, hdr);
15510 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15511 NL80211_MCGRP_MLME, gfp);
15518 void nl80211_send_beacon_hint_event(struct wiphy *wiphy,
15519 struct ieee80211_channel *channel_before,
15520 struct ieee80211_channel *channel_after)
15522 struct sk_buff *msg;
15524 struct nlattr *nl_freq;
15526 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
15530 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT);
15537 * Since we are applying the beacon hint to a wiphy we know its
15538 * wiphy_idx is valid
15540 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
15541 goto nla_put_failure;
15544 nl_freq = nla_nest_start_noflag(msg, NL80211_ATTR_FREQ_BEFORE);
15546 goto nla_put_failure;
15548 if (nl80211_msg_put_channel(msg, wiphy, channel_before, false))
15549 goto nla_put_failure;
15550 nla_nest_end(msg, nl_freq);
15553 nl_freq = nla_nest_start_noflag(msg, NL80211_ATTR_FREQ_AFTER);
15555 goto nla_put_failure;
15557 if (nl80211_msg_put_channel(msg, wiphy, channel_after, false))
15558 goto nla_put_failure;
15559 nla_nest_end(msg, nl_freq);
15561 genlmsg_end(msg, hdr);
15564 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
15565 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
15574 static void nl80211_send_remain_on_chan_event(
15575 int cmd, struct cfg80211_registered_device *rdev,
15576 struct wireless_dev *wdev, u64 cookie,
15577 struct ieee80211_channel *chan,
15578 unsigned int duration, gfp_t gfp)
15580 struct sk_buff *msg;
15583 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15587 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
15593 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15594 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
15595 wdev->netdev->ifindex)) ||
15596 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
15597 NL80211_ATTR_PAD) ||
15598 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) ||
15599 nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
15600 NL80211_CHAN_NO_HT) ||
15601 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
15603 goto nla_put_failure;
15605 if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL &&
15606 nla_put_u32(msg, NL80211_ATTR_DURATION, duration))
15607 goto nla_put_failure;
15609 genlmsg_end(msg, hdr);
15611 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15612 NL80211_MCGRP_MLME, gfp);
15619 void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie,
15620 struct ieee80211_channel *chan,
15621 unsigned int duration, gfp_t gfp)
15623 struct wiphy *wiphy = wdev->wiphy;
15624 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15626 trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration);
15627 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL,
15628 rdev, wdev, cookie, chan,
15631 EXPORT_SYMBOL(cfg80211_ready_on_channel);
15633 void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie,
15634 struct ieee80211_channel *chan,
15637 struct wiphy *wiphy = wdev->wiphy;
15638 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15640 trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan);
15641 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
15642 rdev, wdev, cookie, chan, 0, gfp);
15644 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired);
15646 void cfg80211_tx_mgmt_expired(struct wireless_dev *wdev, u64 cookie,
15647 struct ieee80211_channel *chan,
15650 struct wiphy *wiphy = wdev->wiphy;
15651 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15653 trace_cfg80211_tx_mgmt_expired(wdev, cookie, chan);
15654 nl80211_send_remain_on_chan_event(NL80211_CMD_FRAME_WAIT_CANCEL,
15655 rdev, wdev, cookie, chan, 0, gfp);
15657 EXPORT_SYMBOL(cfg80211_tx_mgmt_expired);
15659 void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr,
15660 struct station_info *sinfo, gfp_t gfp)
15662 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
15663 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15664 struct sk_buff *msg;
15666 trace_cfg80211_new_sta(dev, mac_addr, sinfo);
15668 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15672 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION, 0, 0, 0,
15673 rdev, dev, mac_addr, sinfo) < 0) {
15678 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15679 NL80211_MCGRP_MLME, gfp);
15681 EXPORT_SYMBOL(cfg80211_new_sta);
15683 void cfg80211_del_sta_sinfo(struct net_device *dev, const u8 *mac_addr,
15684 struct station_info *sinfo, gfp_t gfp)
15686 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
15687 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15688 struct sk_buff *msg;
15689 struct station_info empty_sinfo = {};
15692 sinfo = &empty_sinfo;
15694 trace_cfg80211_del_sta(dev, mac_addr);
15696 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15698 cfg80211_sinfo_release_content(sinfo);
15702 if (nl80211_send_station(msg, NL80211_CMD_DEL_STATION, 0, 0, 0,
15703 rdev, dev, mac_addr, sinfo) < 0) {
15708 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15709 NL80211_MCGRP_MLME, gfp);
15711 EXPORT_SYMBOL(cfg80211_del_sta_sinfo);
15713 void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr,
15714 enum nl80211_connect_failed_reason reason,
15717 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
15718 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15719 struct sk_buff *msg;
15722 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
15726 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED);
15732 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
15733 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
15734 nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason))
15735 goto nla_put_failure;
15737 genlmsg_end(msg, hdr);
15739 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15740 NL80211_MCGRP_MLME, gfp);
15746 EXPORT_SYMBOL(cfg80211_conn_failed);
15748 static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd,
15749 const u8 *addr, gfp_t gfp)
15751 struct wireless_dev *wdev = dev->ieee80211_ptr;
15752 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
15753 struct sk_buff *msg;
15755 u32 nlportid = READ_ONCE(wdev->ap_unexpected_nlportid);
15760 msg = nlmsg_new(100, gfp);
15764 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
15770 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15771 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
15772 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
15773 goto nla_put_failure;
15775 genlmsg_end(msg, hdr);
15776 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
15784 bool cfg80211_rx_spurious_frame(struct net_device *dev,
15785 const u8 *addr, gfp_t gfp)
15787 struct wireless_dev *wdev = dev->ieee80211_ptr;
15790 trace_cfg80211_rx_spurious_frame(dev, addr);
15792 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
15793 wdev->iftype != NL80211_IFTYPE_P2P_GO)) {
15794 trace_cfg80211_return_bool(false);
15797 ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME,
15799 trace_cfg80211_return_bool(ret);
15802 EXPORT_SYMBOL(cfg80211_rx_spurious_frame);
15804 bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev,
15805 const u8 *addr, gfp_t gfp)
15807 struct wireless_dev *wdev = dev->ieee80211_ptr;
15810 trace_cfg80211_rx_unexpected_4addr_frame(dev, addr);
15812 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
15813 wdev->iftype != NL80211_IFTYPE_P2P_GO &&
15814 wdev->iftype != NL80211_IFTYPE_AP_VLAN)) {
15815 trace_cfg80211_return_bool(false);
15818 ret = __nl80211_unexpected_frame(dev,
15819 NL80211_CMD_UNEXPECTED_4ADDR_FRAME,
15821 trace_cfg80211_return_bool(ret);
15824 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame);
15826 int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
15827 struct wireless_dev *wdev, u32 nlportid,
15828 int freq, int sig_dbm,
15829 const u8 *buf, size_t len, u32 flags, gfp_t gfp)
15831 struct net_device *netdev = wdev->netdev;
15832 struct sk_buff *msg;
15835 msg = nlmsg_new(100 + len, gfp);
15839 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
15845 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15846 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
15847 netdev->ifindex)) ||
15848 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
15849 NL80211_ATTR_PAD) ||
15850 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) ||
15852 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
15853 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
15855 nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, flags)))
15856 goto nla_put_failure;
15858 genlmsg_end(msg, hdr);
15860 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
15867 void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie,
15868 const u8 *buf, size_t len, bool ack, gfp_t gfp)
15870 struct wiphy *wiphy = wdev->wiphy;
15871 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15872 struct net_device *netdev = wdev->netdev;
15873 struct sk_buff *msg;
15876 trace_cfg80211_mgmt_tx_status(wdev, cookie, ack);
15878 msg = nlmsg_new(100 + len, gfp);
15882 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS);
15888 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15889 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
15890 netdev->ifindex)) ||
15891 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
15892 NL80211_ATTR_PAD) ||
15893 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
15894 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
15895 NL80211_ATTR_PAD) ||
15896 (ack && nla_put_flag(msg, NL80211_ATTR_ACK)))
15897 goto nla_put_failure;
15899 genlmsg_end(msg, hdr);
15901 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15902 NL80211_MCGRP_MLME, gfp);
15908 EXPORT_SYMBOL(cfg80211_mgmt_tx_status);
15910 static int __nl80211_rx_control_port(struct net_device *dev,
15911 struct sk_buff *skb,
15912 bool unencrypted, gfp_t gfp)
15914 struct wireless_dev *wdev = dev->ieee80211_ptr;
15915 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
15916 struct ethhdr *ehdr = eth_hdr(skb);
15917 const u8 *addr = ehdr->h_source;
15918 u16 proto = be16_to_cpu(skb->protocol);
15919 struct sk_buff *msg;
15921 struct nlattr *frame;
15923 u32 nlportid = READ_ONCE(wdev->conn_owner_nlportid);
15928 msg = nlmsg_new(100 + skb->len, gfp);
15932 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONTROL_PORT_FRAME);
15938 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15939 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
15940 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
15941 NL80211_ATTR_PAD) ||
15942 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
15943 nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, proto) ||
15944 (unencrypted && nla_put_flag(msg,
15945 NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)))
15946 goto nla_put_failure;
15948 frame = nla_reserve(msg, NL80211_ATTR_FRAME, skb->len);
15950 goto nla_put_failure;
15952 skb_copy_bits(skb, 0, nla_data(frame), skb->len);
15953 genlmsg_end(msg, hdr);
15955 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
15962 bool cfg80211_rx_control_port(struct net_device *dev,
15963 struct sk_buff *skb, bool unencrypted)
15967 trace_cfg80211_rx_control_port(dev, skb, unencrypted);
15968 ret = __nl80211_rx_control_port(dev, skb, unencrypted, GFP_ATOMIC);
15969 trace_cfg80211_return_bool(ret == 0);
15972 EXPORT_SYMBOL(cfg80211_rx_control_port);
15974 static struct sk_buff *cfg80211_prepare_cqm(struct net_device *dev,
15975 const char *mac, gfp_t gfp)
15977 struct wireless_dev *wdev = dev->ieee80211_ptr;
15978 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
15979 struct sk_buff *msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15985 cb = (void **)msg->cb;
15987 cb[0] = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
15993 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15994 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
15995 goto nla_put_failure;
15997 if (mac && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
15998 goto nla_put_failure;
16000 cb[1] = nla_nest_start_noflag(msg, NL80211_ATTR_CQM);
16002 goto nla_put_failure;
16012 static void cfg80211_send_cqm(struct sk_buff *msg, gfp_t gfp)
16014 void **cb = (void **)msg->cb;
16015 struct cfg80211_registered_device *rdev = cb[2];
16017 nla_nest_end(msg, cb[1]);
16018 genlmsg_end(msg, cb[0]);
16020 memset(msg->cb, 0, sizeof(msg->cb));
16022 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16023 NL80211_MCGRP_MLME, gfp);
16026 void cfg80211_cqm_rssi_notify(struct net_device *dev,
16027 enum nl80211_cqm_rssi_threshold_event rssi_event,
16028 s32 rssi_level, gfp_t gfp)
16030 struct sk_buff *msg;
16031 struct wireless_dev *wdev = dev->ieee80211_ptr;
16032 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16034 trace_cfg80211_cqm_rssi_notify(dev, rssi_event, rssi_level);
16036 if (WARN_ON(rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW &&
16037 rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH))
16040 if (wdev->cqm_config) {
16041 wdev->cqm_config->last_rssi_event_value = rssi_level;
16043 cfg80211_cqm_rssi_update(rdev, dev);
16045 if (rssi_level == 0)
16046 rssi_level = wdev->cqm_config->last_rssi_event_value;
16049 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
16053 if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT,
16055 goto nla_put_failure;
16057 if (rssi_level && nla_put_s32(msg, NL80211_ATTR_CQM_RSSI_LEVEL,
16059 goto nla_put_failure;
16061 cfg80211_send_cqm(msg, gfp);
16068 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify);
16070 void cfg80211_cqm_txe_notify(struct net_device *dev,
16071 const u8 *peer, u32 num_packets,
16072 u32 rate, u32 intvl, gfp_t gfp)
16074 struct sk_buff *msg;
16076 msg = cfg80211_prepare_cqm(dev, peer, gfp);
16080 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets))
16081 goto nla_put_failure;
16083 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate))
16084 goto nla_put_failure;
16086 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl))
16087 goto nla_put_failure;
16089 cfg80211_send_cqm(msg, gfp);
16095 EXPORT_SYMBOL(cfg80211_cqm_txe_notify);
16097 void cfg80211_cqm_pktloss_notify(struct net_device *dev,
16098 const u8 *peer, u32 num_packets, gfp_t gfp)
16100 struct sk_buff *msg;
16102 trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets);
16104 msg = cfg80211_prepare_cqm(dev, peer, gfp);
16108 if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets))
16109 goto nla_put_failure;
16111 cfg80211_send_cqm(msg, gfp);
16117 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify);
16119 void cfg80211_cqm_beacon_loss_notify(struct net_device *dev, gfp_t gfp)
16121 struct sk_buff *msg;
16123 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
16127 if (nla_put_flag(msg, NL80211_ATTR_CQM_BEACON_LOSS_EVENT))
16128 goto nla_put_failure;
16130 cfg80211_send_cqm(msg, gfp);
16136 EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify);
16138 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev,
16139 struct net_device *netdev, const u8 *bssid,
16140 const u8 *replay_ctr, gfp_t gfp)
16142 struct sk_buff *msg;
16143 struct nlattr *rekey_attr;
16146 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16150 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD);
16156 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16157 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16158 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
16159 goto nla_put_failure;
16161 rekey_attr = nla_nest_start_noflag(msg, NL80211_ATTR_REKEY_DATA);
16163 goto nla_put_failure;
16165 if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR,
16166 NL80211_REPLAY_CTR_LEN, replay_ctr))
16167 goto nla_put_failure;
16169 nla_nest_end(msg, rekey_attr);
16171 genlmsg_end(msg, hdr);
16173 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16174 NL80211_MCGRP_MLME, gfp);
16181 void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid,
16182 const u8 *replay_ctr, gfp_t gfp)
16184 struct wireless_dev *wdev = dev->ieee80211_ptr;
16185 struct wiphy *wiphy = wdev->wiphy;
16186 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16188 trace_cfg80211_gtk_rekey_notify(dev, bssid);
16189 nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp);
16191 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify);
16194 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev,
16195 struct net_device *netdev, int index,
16196 const u8 *bssid, bool preauth, gfp_t gfp)
16198 struct sk_buff *msg;
16199 struct nlattr *attr;
16202 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16206 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE);
16212 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16213 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
16214 goto nla_put_failure;
16216 attr = nla_nest_start_noflag(msg, NL80211_ATTR_PMKSA_CANDIDATE);
16218 goto nla_put_failure;
16220 if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) ||
16221 nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) ||
16223 nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH)))
16224 goto nla_put_failure;
16226 nla_nest_end(msg, attr);
16228 genlmsg_end(msg, hdr);
16230 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16231 NL80211_MCGRP_MLME, gfp);
16238 void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index,
16239 const u8 *bssid, bool preauth, gfp_t gfp)
16241 struct wireless_dev *wdev = dev->ieee80211_ptr;
16242 struct wiphy *wiphy = wdev->wiphy;
16243 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16245 trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth);
16246 nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp);
16248 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify);
16250 static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev,
16251 struct net_device *netdev,
16252 struct cfg80211_chan_def *chandef,
16254 enum nl80211_commands notif,
16257 struct sk_buff *msg;
16260 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16264 hdr = nl80211hdr_put(msg, 0, 0, 0, notif);
16270 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
16271 goto nla_put_failure;
16273 if (nl80211_send_chandef(msg, chandef))
16274 goto nla_put_failure;
16276 if ((notif == NL80211_CMD_CH_SWITCH_STARTED_NOTIFY) &&
16277 (nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT, count)))
16278 goto nla_put_failure;
16280 genlmsg_end(msg, hdr);
16282 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16283 NL80211_MCGRP_MLME, gfp);
16290 void cfg80211_ch_switch_notify(struct net_device *dev,
16291 struct cfg80211_chan_def *chandef)
16293 struct wireless_dev *wdev = dev->ieee80211_ptr;
16294 struct wiphy *wiphy = wdev->wiphy;
16295 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16297 ASSERT_WDEV_LOCK(wdev);
16299 trace_cfg80211_ch_switch_notify(dev, chandef);
16301 wdev->chandef = *chandef;
16302 wdev->preset_chandef = *chandef;
16304 if (wdev->iftype == NL80211_IFTYPE_STATION &&
16305 !WARN_ON(!wdev->current_bss))
16306 cfg80211_update_assoc_bss_entry(wdev, chandef->chan);
16308 cfg80211_sched_dfs_chan_update(rdev);
16310 nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL,
16311 NL80211_CMD_CH_SWITCH_NOTIFY, 0);
16313 EXPORT_SYMBOL(cfg80211_ch_switch_notify);
16315 void cfg80211_ch_switch_started_notify(struct net_device *dev,
16316 struct cfg80211_chan_def *chandef,
16319 struct wireless_dev *wdev = dev->ieee80211_ptr;
16320 struct wiphy *wiphy = wdev->wiphy;
16321 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16323 trace_cfg80211_ch_switch_started_notify(dev, chandef);
16325 nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL,
16326 NL80211_CMD_CH_SWITCH_STARTED_NOTIFY, count);
16328 EXPORT_SYMBOL(cfg80211_ch_switch_started_notify);
16331 nl80211_radar_notify(struct cfg80211_registered_device *rdev,
16332 const struct cfg80211_chan_def *chandef,
16333 enum nl80211_radar_event event,
16334 struct net_device *netdev, gfp_t gfp)
16336 struct sk_buff *msg;
16339 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16343 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT);
16349 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
16350 goto nla_put_failure;
16352 /* NOP and radar events don't need a netdev parameter */
16354 struct wireless_dev *wdev = netdev->ieee80211_ptr;
16356 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16357 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16359 goto nla_put_failure;
16362 if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event))
16363 goto nla_put_failure;
16365 if (nl80211_send_chandef(msg, chandef))
16366 goto nla_put_failure;
16368 genlmsg_end(msg, hdr);
16370 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16371 NL80211_MCGRP_MLME, gfp);
16378 void cfg80211_sta_opmode_change_notify(struct net_device *dev, const u8 *mac,
16379 struct sta_opmode_info *sta_opmode,
16382 struct sk_buff *msg;
16383 struct wireless_dev *wdev = dev->ieee80211_ptr;
16384 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16390 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16394 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STA_OPMODE_CHANGED);
16400 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
16401 goto nla_put_failure;
16403 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
16404 goto nla_put_failure;
16406 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
16407 goto nla_put_failure;
16409 if ((sta_opmode->changed & STA_OPMODE_SMPS_MODE_CHANGED) &&
16410 nla_put_u8(msg, NL80211_ATTR_SMPS_MODE, sta_opmode->smps_mode))
16411 goto nla_put_failure;
16413 if ((sta_opmode->changed & STA_OPMODE_MAX_BW_CHANGED) &&
16414 nla_put_u8(msg, NL80211_ATTR_CHANNEL_WIDTH, sta_opmode->bw))
16415 goto nla_put_failure;
16417 if ((sta_opmode->changed & STA_OPMODE_N_SS_CHANGED) &&
16418 nla_put_u8(msg, NL80211_ATTR_NSS, sta_opmode->rx_nss))
16419 goto nla_put_failure;
16421 genlmsg_end(msg, hdr);
16423 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16424 NL80211_MCGRP_MLME, gfp);
16431 EXPORT_SYMBOL(cfg80211_sta_opmode_change_notify);
16433 void cfg80211_probe_status(struct net_device *dev, const u8 *addr,
16434 u64 cookie, bool acked, s32 ack_signal,
16435 bool is_valid_ack_signal, gfp_t gfp)
16437 struct wireless_dev *wdev = dev->ieee80211_ptr;
16438 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16439 struct sk_buff *msg;
16442 trace_cfg80211_probe_status(dev, addr, cookie, acked);
16444 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16449 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT);
16455 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16456 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16457 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
16458 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
16459 NL80211_ATTR_PAD) ||
16460 (acked && nla_put_flag(msg, NL80211_ATTR_ACK)) ||
16461 (is_valid_ack_signal && nla_put_s32(msg, NL80211_ATTR_ACK_SIGNAL,
16463 goto nla_put_failure;
16465 genlmsg_end(msg, hdr);
16467 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16468 NL80211_MCGRP_MLME, gfp);
16474 EXPORT_SYMBOL(cfg80211_probe_status);
16476 void cfg80211_report_obss_beacon(struct wiphy *wiphy,
16477 const u8 *frame, size_t len,
16478 int freq, int sig_dbm)
16480 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16481 struct sk_buff *msg;
16483 struct cfg80211_beacon_registration *reg;
16485 trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm);
16487 spin_lock_bh(&rdev->beacon_registrations_lock);
16488 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
16489 msg = nlmsg_new(len + 100, GFP_ATOMIC);
16491 spin_unlock_bh(&rdev->beacon_registrations_lock);
16495 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
16497 goto nla_put_failure;
16499 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16501 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) ||
16503 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
16504 nla_put(msg, NL80211_ATTR_FRAME, len, frame))
16505 goto nla_put_failure;
16507 genlmsg_end(msg, hdr);
16509 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid);
16511 spin_unlock_bh(&rdev->beacon_registrations_lock);
16515 spin_unlock_bh(&rdev->beacon_registrations_lock);
16518 EXPORT_SYMBOL(cfg80211_report_obss_beacon);
16521 static int cfg80211_net_detect_results(struct sk_buff *msg,
16522 struct cfg80211_wowlan_wakeup *wakeup)
16524 struct cfg80211_wowlan_nd_info *nd = wakeup->net_detect;
16525 struct nlattr *nl_results, *nl_match, *nl_freqs;
16528 nl_results = nla_nest_start_noflag(msg,
16529 NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS);
16533 for (i = 0; i < nd->n_matches; i++) {
16534 struct cfg80211_wowlan_nd_match *match = nd->matches[i];
16536 nl_match = nla_nest_start_noflag(msg, i);
16540 /* The SSID attribute is optional in nl80211, but for
16541 * simplicity reasons it's always present in the
16542 * cfg80211 structure. If a driver can't pass the
16543 * SSID, that needs to be changed. A zero length SSID
16544 * is still a valid SSID (wildcard), so it cannot be
16545 * used for this purpose.
16547 if (nla_put(msg, NL80211_ATTR_SSID, match->ssid.ssid_len,
16548 match->ssid.ssid)) {
16549 nla_nest_cancel(msg, nl_match);
16553 if (match->n_channels) {
16554 nl_freqs = nla_nest_start_noflag(msg,
16555 NL80211_ATTR_SCAN_FREQUENCIES);
16557 nla_nest_cancel(msg, nl_match);
16561 for (j = 0; j < match->n_channels; j++) {
16562 if (nla_put_u32(msg, j, match->channels[j])) {
16563 nla_nest_cancel(msg, nl_freqs);
16564 nla_nest_cancel(msg, nl_match);
16569 nla_nest_end(msg, nl_freqs);
16572 nla_nest_end(msg, nl_match);
16576 nla_nest_end(msg, nl_results);
16580 void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev,
16581 struct cfg80211_wowlan_wakeup *wakeup,
16584 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16585 struct sk_buff *msg;
16589 trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup);
16592 size += wakeup->packet_present_len;
16594 msg = nlmsg_new(size, gfp);
16598 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN);
16602 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16603 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16607 if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
16608 wdev->netdev->ifindex))
16612 struct nlattr *reasons;
16614 reasons = nla_nest_start_noflag(msg,
16615 NL80211_ATTR_WOWLAN_TRIGGERS);
16619 if (wakeup->disconnect &&
16620 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT))
16622 if (wakeup->magic_pkt &&
16623 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT))
16625 if (wakeup->gtk_rekey_failure &&
16626 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE))
16628 if (wakeup->eap_identity_req &&
16629 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST))
16631 if (wakeup->four_way_handshake &&
16632 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE))
16634 if (wakeup->rfkill_release &&
16635 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))
16638 if (wakeup->pattern_idx >= 0 &&
16639 nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
16640 wakeup->pattern_idx))
16643 if (wakeup->tcp_match &&
16644 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH))
16647 if (wakeup->tcp_connlost &&
16648 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST))
16651 if (wakeup->tcp_nomoretokens &&
16653 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS))
16656 if (wakeup->packet) {
16657 u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211;
16658 u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN;
16660 if (!wakeup->packet_80211) {
16662 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023;
16664 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN;
16667 if (wakeup->packet_len &&
16668 nla_put_u32(msg, len_attr, wakeup->packet_len))
16671 if (nla_put(msg, pkt_attr, wakeup->packet_present_len,
16676 if (wakeup->net_detect &&
16677 cfg80211_net_detect_results(msg, wakeup))
16680 nla_nest_end(msg, reasons);
16683 genlmsg_end(msg, hdr);
16685 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16686 NL80211_MCGRP_MLME, gfp);
16692 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup);
16695 void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer,
16696 enum nl80211_tdls_operation oper,
16697 u16 reason_code, gfp_t gfp)
16699 struct wireless_dev *wdev = dev->ieee80211_ptr;
16700 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16701 struct sk_buff *msg;
16704 trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper,
16707 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16711 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER);
16717 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16718 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16719 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) ||
16720 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) ||
16721 (reason_code > 0 &&
16722 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code)))
16723 goto nla_put_failure;
16725 genlmsg_end(msg, hdr);
16727 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16728 NL80211_MCGRP_MLME, gfp);
16734 EXPORT_SYMBOL(cfg80211_tdls_oper_request);
16736 static int nl80211_netlink_notify(struct notifier_block * nb,
16737 unsigned long state,
16740 struct netlink_notify *notify = _notify;
16741 struct cfg80211_registered_device *rdev;
16742 struct wireless_dev *wdev;
16743 struct cfg80211_beacon_registration *reg, *tmp;
16745 if (state != NETLINK_URELEASE || notify->protocol != NETLINK_GENERIC)
16746 return NOTIFY_DONE;
16750 list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) {
16751 struct cfg80211_sched_scan_request *sched_scan_req;
16753 list_for_each_entry_rcu(sched_scan_req,
16754 &rdev->sched_scan_req_list,
16756 if (sched_scan_req->owner_nlportid == notify->portid) {
16757 sched_scan_req->nl_owner_dead = true;
16758 schedule_work(&rdev->sched_scan_stop_wk);
16762 list_for_each_entry_rcu(wdev, &rdev->wiphy.wdev_list, list) {
16763 cfg80211_mlme_unregister_socket(wdev, notify->portid);
16765 if (wdev->owner_nlportid == notify->portid) {
16766 wdev->nl_owner_dead = true;
16767 schedule_work(&rdev->destroy_work);
16768 } else if (wdev->conn_owner_nlportid == notify->portid) {
16769 schedule_work(&wdev->disconnect_wk);
16772 cfg80211_release_pmsr(wdev, notify->portid);
16775 spin_lock_bh(&rdev->beacon_registrations_lock);
16776 list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations,
16778 if (reg->nlportid == notify->portid) {
16779 list_del(®->list);
16784 spin_unlock_bh(&rdev->beacon_registrations_lock);
16790 * It is possible that the user space process that is controlling the
16791 * indoor setting disappeared, so notify the regulatory core.
16793 regulatory_netlink_notify(notify->portid);
16797 static struct notifier_block nl80211_netlink_notifier = {
16798 .notifier_call = nl80211_netlink_notify,
16801 void cfg80211_ft_event(struct net_device *netdev,
16802 struct cfg80211_ft_event_params *ft_event)
16804 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
16805 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16806 struct sk_buff *msg;
16809 trace_cfg80211_ft_event(wiphy, netdev, ft_event);
16811 if (!ft_event->target_ap)
16814 msg = nlmsg_new(100 + ft_event->ies_len + ft_event->ric_ies_len,
16819 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT);
16823 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16824 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16825 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap))
16828 if (ft_event->ies &&
16829 nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies))
16831 if (ft_event->ric_ies &&
16832 nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len,
16833 ft_event->ric_ies))
16836 genlmsg_end(msg, hdr);
16838 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16839 NL80211_MCGRP_MLME, GFP_KERNEL);
16844 EXPORT_SYMBOL(cfg80211_ft_event);
16846 void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp)
16848 struct cfg80211_registered_device *rdev;
16849 struct sk_buff *msg;
16853 rdev = wiphy_to_rdev(wdev->wiphy);
16854 if (!rdev->crit_proto_nlportid)
16857 nlportid = rdev->crit_proto_nlportid;
16858 rdev->crit_proto_nlportid = 0;
16860 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16864 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP);
16866 goto nla_put_failure;
16868 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16869 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16871 goto nla_put_failure;
16873 genlmsg_end(msg, hdr);
16875 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
16881 EXPORT_SYMBOL(cfg80211_crit_proto_stopped);
16883 void nl80211_send_ap_stopped(struct wireless_dev *wdev)
16885 struct wiphy *wiphy = wdev->wiphy;
16886 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16887 struct sk_buff *msg;
16890 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
16894 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STOP_AP);
16898 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16899 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex) ||
16900 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16904 genlmsg_end(msg, hdr);
16906 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(wiphy), msg, 0,
16907 NL80211_MCGRP_MLME, GFP_KERNEL);
16913 int cfg80211_external_auth_request(struct net_device *dev,
16914 struct cfg80211_external_auth_params *params,
16917 struct wireless_dev *wdev = dev->ieee80211_ptr;
16918 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16919 struct sk_buff *msg;
16922 if (!wdev->conn_owner_nlportid)
16925 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16929 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_EXTERNAL_AUTH);
16931 goto nla_put_failure;
16933 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16934 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16935 nla_put_u32(msg, NL80211_ATTR_AKM_SUITES, params->key_mgmt_suite) ||
16936 nla_put_u32(msg, NL80211_ATTR_EXTERNAL_AUTH_ACTION,
16938 nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, params->bssid) ||
16939 nla_put(msg, NL80211_ATTR_SSID, params->ssid.ssid_len,
16940 params->ssid.ssid))
16941 goto nla_put_failure;
16943 genlmsg_end(msg, hdr);
16944 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
16945 wdev->conn_owner_nlportid);
16952 EXPORT_SYMBOL(cfg80211_external_auth_request);
16954 void cfg80211_update_owe_info_event(struct net_device *netdev,
16955 struct cfg80211_update_owe_info *owe_info,
16958 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
16959 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16960 struct sk_buff *msg;
16963 trace_cfg80211_update_owe_info_event(wiphy, netdev, owe_info);
16965 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16969 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_UPDATE_OWE_INFO);
16971 goto nla_put_failure;
16973 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16974 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16975 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, owe_info->peer))
16976 goto nla_put_failure;
16978 if (!owe_info->ie_len ||
16979 nla_put(msg, NL80211_ATTR_IE, owe_info->ie_len, owe_info->ie))
16980 goto nla_put_failure;
16982 genlmsg_end(msg, hdr);
16984 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16985 NL80211_MCGRP_MLME, gfp);
16989 genlmsg_cancel(msg, hdr);
16992 EXPORT_SYMBOL(cfg80211_update_owe_info_event);
16994 /* initialisation/exit functions */
16996 int __init nl80211_init(void)
17000 err = genl_register_family(&nl80211_fam);
17004 err = netlink_register_notifier(&nl80211_netlink_notifier);
17010 genl_unregister_family(&nl80211_fam);
17014 void nl80211_exit(void)
17016 netlink_unregister_notifier(&nl80211_netlink_notifier);
17017 genl_unregister_family(&nl80211_fam);