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 <net/net_namespace.h>
24 #include <net/genetlink.h>
25 #include <net/cfg80211.h>
27 #include <net/inet_connection_sock.h>
33 static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
34 struct genl_info *info,
35 struct cfg80211_crypto_settings *settings,
38 /* the netlink family */
39 static struct genl_family nl80211_fam;
41 /* multicast groups */
42 enum nl80211_multicast_groups {
45 NL80211_MCGRP_REGULATORY,
49 NL80211_MCGRP_TESTMODE /* keep last - ifdef! */
52 static const struct genl_multicast_group nl80211_mcgrps[] = {
53 [NL80211_MCGRP_CONFIG] = { .name = NL80211_MULTICAST_GROUP_CONFIG },
54 [NL80211_MCGRP_SCAN] = { .name = NL80211_MULTICAST_GROUP_SCAN },
55 [NL80211_MCGRP_REGULATORY] = { .name = NL80211_MULTICAST_GROUP_REG },
56 [NL80211_MCGRP_MLME] = { .name = NL80211_MULTICAST_GROUP_MLME },
57 [NL80211_MCGRP_VENDOR] = { .name = NL80211_MULTICAST_GROUP_VENDOR },
58 [NL80211_MCGRP_NAN] = { .name = NL80211_MULTICAST_GROUP_NAN },
59 #ifdef CONFIG_NL80211_TESTMODE
60 [NL80211_MCGRP_TESTMODE] = { .name = NL80211_MULTICAST_GROUP_TESTMODE }
64 /* returns ERR_PTR values */
65 static struct wireless_dev *
66 __cfg80211_wdev_from_attrs(struct net *netns, struct nlattr **attrs)
68 struct cfg80211_registered_device *rdev;
69 struct wireless_dev *result = NULL;
70 bool have_ifidx = attrs[NL80211_ATTR_IFINDEX];
71 bool have_wdev_id = attrs[NL80211_ATTR_WDEV];
78 if (!have_ifidx && !have_wdev_id)
79 return ERR_PTR(-EINVAL);
82 ifidx = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);
84 wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]);
85 wiphy_idx = wdev_id >> 32;
88 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
89 struct wireless_dev *wdev;
91 if (wiphy_net(&rdev->wiphy) != netns)
94 if (have_wdev_id && rdev->wiphy_idx != wiphy_idx)
97 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
98 if (have_ifidx && wdev->netdev &&
99 wdev->netdev->ifindex == ifidx) {
103 if (have_wdev_id && wdev->identifier == (u32)wdev_id) {
115 return ERR_PTR(-ENODEV);
118 static struct cfg80211_registered_device *
119 __cfg80211_rdev_from_attrs(struct net *netns, struct nlattr **attrs)
121 struct cfg80211_registered_device *rdev = NULL, *tmp;
122 struct net_device *netdev;
126 if (!attrs[NL80211_ATTR_WIPHY] &&
127 !attrs[NL80211_ATTR_IFINDEX] &&
128 !attrs[NL80211_ATTR_WDEV])
129 return ERR_PTR(-EINVAL);
131 if (attrs[NL80211_ATTR_WIPHY])
132 rdev = cfg80211_rdev_by_wiphy_idx(
133 nla_get_u32(attrs[NL80211_ATTR_WIPHY]));
135 if (attrs[NL80211_ATTR_WDEV]) {
136 u64 wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]);
137 struct wireless_dev *wdev;
140 tmp = cfg80211_rdev_by_wiphy_idx(wdev_id >> 32);
142 /* make sure wdev exists */
143 list_for_each_entry(wdev, &tmp->wiphy.wdev_list, list) {
144 if (wdev->identifier != (u32)wdev_id)
153 if (rdev && tmp != rdev)
154 return ERR_PTR(-EINVAL);
159 if (attrs[NL80211_ATTR_IFINDEX]) {
160 int ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);
162 netdev = __dev_get_by_index(netns, ifindex);
164 if (netdev->ieee80211_ptr)
166 netdev->ieee80211_ptr->wiphy);
170 /* not wireless device -- return error */
172 return ERR_PTR(-EINVAL);
174 /* mismatch -- return error */
175 if (rdev && tmp != rdev)
176 return ERR_PTR(-EINVAL);
183 return ERR_PTR(-ENODEV);
185 if (netns != wiphy_net(&rdev->wiphy))
186 return ERR_PTR(-ENODEV);
192 * This function returns a pointer to the driver
193 * that the genl_info item that is passed refers to.
195 * The result of this can be a PTR_ERR and hence must
196 * be checked with IS_ERR() for errors.
198 static struct cfg80211_registered_device *
199 cfg80211_get_dev_from_info(struct net *netns, struct genl_info *info)
201 return __cfg80211_rdev_from_attrs(netns, info->attrs);
204 static int validate_ie_attr(const struct nlattr *attr,
205 struct netlink_ext_ack *extack)
207 const u8 *data = nla_data(attr);
208 unsigned int len = nla_len(attr);
209 const struct element *elem;
211 for_each_element(elem, data, len) {
215 if (for_each_element_completed(elem, data, len))
218 NL_SET_ERR_MSG_ATTR(extack, attr, "malformed information elements");
222 /* policy for the attributes */
223 static const struct nla_policy
224 nl80211_ftm_responder_policy[NL80211_FTM_RESP_ATTR_MAX + 1] = {
225 [NL80211_FTM_RESP_ATTR_ENABLED] = { .type = NLA_FLAG, },
226 [NL80211_FTM_RESP_ATTR_LCI] = { .type = NLA_BINARY,
228 [NL80211_FTM_RESP_ATTR_CIVICLOC] = { .type = NLA_BINARY,
232 static const struct nla_policy
233 nl80211_pmsr_ftm_req_attr_policy[NL80211_PMSR_FTM_REQ_ATTR_MAX + 1] = {
234 [NL80211_PMSR_FTM_REQ_ATTR_ASAP] = { .type = NLA_FLAG },
235 [NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE] = { .type = NLA_U32 },
236 [NL80211_PMSR_FTM_REQ_ATTR_NUM_BURSTS_EXP] =
237 NLA_POLICY_MAX(NLA_U8, 15),
238 [NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD] = { .type = NLA_U16 },
239 [NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION] =
240 NLA_POLICY_MAX(NLA_U8, 15),
241 [NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST] =
242 NLA_POLICY_MAX(NLA_U8, 31),
243 [NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES] = { .type = NLA_U8 },
244 [NL80211_PMSR_FTM_REQ_ATTR_REQUEST_LCI] = { .type = NLA_FLAG },
245 [NL80211_PMSR_FTM_REQ_ATTR_REQUEST_CIVICLOC] = { .type = NLA_FLAG },
248 static const struct nla_policy
249 nl80211_pmsr_req_data_policy[NL80211_PMSR_TYPE_MAX + 1] = {
250 [NL80211_PMSR_TYPE_FTM] =
251 NLA_POLICY_NESTED(nl80211_pmsr_ftm_req_attr_policy),
254 static const struct nla_policy
255 nl80211_pmsr_req_attr_policy[NL80211_PMSR_REQ_ATTR_MAX + 1] = {
256 [NL80211_PMSR_REQ_ATTR_DATA] =
257 NLA_POLICY_NESTED(nl80211_pmsr_req_data_policy),
258 [NL80211_PMSR_REQ_ATTR_GET_AP_TSF] = { .type = NLA_FLAG },
261 static const struct nla_policy
262 nl80211_psmr_peer_attr_policy[NL80211_PMSR_PEER_ATTR_MAX + 1] = {
263 [NL80211_PMSR_PEER_ATTR_ADDR] = NLA_POLICY_ETH_ADDR,
265 * we could specify this again to be the top-level policy,
266 * but that would open us up to recursion problems ...
268 [NL80211_PMSR_PEER_ATTR_CHAN] = { .type = NLA_NESTED },
269 [NL80211_PMSR_PEER_ATTR_REQ] =
270 NLA_POLICY_NESTED(nl80211_pmsr_req_attr_policy),
271 [NL80211_PMSR_PEER_ATTR_RESP] = { .type = NLA_REJECT },
274 static const struct nla_policy
275 nl80211_pmsr_attr_policy[NL80211_PMSR_ATTR_MAX + 1] = {
276 [NL80211_PMSR_ATTR_MAX_PEERS] = { .type = NLA_REJECT },
277 [NL80211_PMSR_ATTR_REPORT_AP_TSF] = { .type = NLA_REJECT },
278 [NL80211_PMSR_ATTR_RANDOMIZE_MAC_ADDR] = { .type = NLA_REJECT },
279 [NL80211_PMSR_ATTR_TYPE_CAPA] = { .type = NLA_REJECT },
280 [NL80211_PMSR_ATTR_PEERS] =
281 NLA_POLICY_NESTED_ARRAY(nl80211_psmr_peer_attr_policy),
284 const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
285 [NL80211_ATTR_WIPHY] = { .type = NLA_U32 },
286 [NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING,
288 [NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED },
290 [NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 },
291 [NL80211_ATTR_WIPHY_CHANNEL_TYPE] = { .type = NLA_U32 },
292 [NL80211_ATTR_CHANNEL_WIDTH] = { .type = NLA_U32 },
293 [NL80211_ATTR_CENTER_FREQ1] = { .type = NLA_U32 },
294 [NL80211_ATTR_CENTER_FREQ2] = { .type = NLA_U32 },
296 [NL80211_ATTR_WIPHY_RETRY_SHORT] = NLA_POLICY_MIN(NLA_U8, 1),
297 [NL80211_ATTR_WIPHY_RETRY_LONG] = NLA_POLICY_MIN(NLA_U8, 1),
298 [NL80211_ATTR_WIPHY_FRAG_THRESHOLD] = { .type = NLA_U32 },
299 [NL80211_ATTR_WIPHY_RTS_THRESHOLD] = { .type = NLA_U32 },
300 [NL80211_ATTR_WIPHY_COVERAGE_CLASS] = { .type = NLA_U8 },
301 [NL80211_ATTR_WIPHY_DYN_ACK] = { .type = NLA_FLAG },
303 [NL80211_ATTR_IFTYPE] = NLA_POLICY_MAX(NLA_U32, NL80211_IFTYPE_MAX),
304 [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 },
305 [NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 },
307 [NL80211_ATTR_MAC] = { .len = ETH_ALEN },
308 [NL80211_ATTR_PREV_BSSID] = { .len = ETH_ALEN },
310 [NL80211_ATTR_KEY] = { .type = NLA_NESTED, },
311 [NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY,
312 .len = WLAN_MAX_KEY_LEN },
313 [NL80211_ATTR_KEY_IDX] = NLA_POLICY_MAX(NLA_U8, 5),
314 [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 },
315 [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG },
316 [NL80211_ATTR_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
317 [NL80211_ATTR_KEY_TYPE] =
318 NLA_POLICY_MAX(NLA_U32, NUM_NL80211_KEYTYPES),
320 [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 },
321 [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 },
322 [NL80211_ATTR_BEACON_HEAD] = { .type = NLA_BINARY,
323 .len = IEEE80211_MAX_DATA_LEN },
324 [NL80211_ATTR_BEACON_TAIL] =
325 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
326 IEEE80211_MAX_DATA_LEN),
327 [NL80211_ATTR_STA_AID] =
328 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
329 [NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED },
330 [NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 },
331 [NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY,
332 .len = NL80211_MAX_SUPP_RATES },
333 [NL80211_ATTR_STA_PLINK_ACTION] =
334 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_PLINK_ACTIONS - 1),
335 [NL80211_ATTR_STA_TX_POWER_SETTING] =
336 NLA_POLICY_RANGE(NLA_U8,
337 NL80211_TX_POWER_AUTOMATIC,
338 NL80211_TX_POWER_FIXED),
339 [NL80211_ATTR_STA_TX_POWER] = { .type = NLA_S16 },
340 [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 },
341 [NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ },
342 [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY,
343 .len = IEEE80211_MAX_MESH_ID_LEN },
344 [NL80211_ATTR_MPATH_NEXT_HOP] = { .type = NLA_U32 },
346 [NL80211_ATTR_REG_ALPHA2] = { .type = NLA_STRING, .len = 2 },
347 [NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED },
349 [NL80211_ATTR_BSS_CTS_PROT] = { .type = NLA_U8 },
350 [NL80211_ATTR_BSS_SHORT_PREAMBLE] = { .type = NLA_U8 },
351 [NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 },
352 [NL80211_ATTR_BSS_BASIC_RATES] = { .type = NLA_BINARY,
353 .len = NL80211_MAX_SUPP_RATES },
354 [NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 },
356 [NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED },
357 [NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG },
359 [NL80211_ATTR_HT_CAPABILITY] = { .len = NL80211_HT_CAPABILITY_LEN },
361 [NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 },
362 [NL80211_ATTR_IE] = NLA_POLICY_VALIDATE_FN(NLA_BINARY,
364 IEEE80211_MAX_DATA_LEN),
365 [NL80211_ATTR_SCAN_FREQUENCIES] = { .type = NLA_NESTED },
366 [NL80211_ATTR_SCAN_SSIDS] = { .type = NLA_NESTED },
368 [NL80211_ATTR_SSID] = { .type = NLA_BINARY,
369 .len = IEEE80211_MAX_SSID_LEN },
370 [NL80211_ATTR_AUTH_TYPE] = { .type = NLA_U32 },
371 [NL80211_ATTR_REASON_CODE] = { .type = NLA_U16 },
372 [NL80211_ATTR_FREQ_FIXED] = { .type = NLA_FLAG },
373 [NL80211_ATTR_TIMED_OUT] = { .type = NLA_FLAG },
374 [NL80211_ATTR_USE_MFP] = NLA_POLICY_RANGE(NLA_U32,
376 NL80211_MFP_OPTIONAL),
377 [NL80211_ATTR_STA_FLAGS2] = {
378 .len = sizeof(struct nl80211_sta_flag_update),
380 [NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG },
381 [NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 },
382 [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG },
383 [NL80211_ATTR_CONTROL_PORT_OVER_NL80211] = { .type = NLA_FLAG },
384 [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG },
385 [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 },
386 [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 },
387 [NL80211_ATTR_PID] = { .type = NLA_U32 },
388 [NL80211_ATTR_4ADDR] = { .type = NLA_U8 },
389 [NL80211_ATTR_PMKID] = { .len = WLAN_PMKID_LEN },
390 [NL80211_ATTR_DURATION] = { .type = NLA_U32 },
391 [NL80211_ATTR_COOKIE] = { .type = NLA_U64 },
392 [NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED },
393 [NL80211_ATTR_FRAME] = { .type = NLA_BINARY,
394 .len = IEEE80211_MAX_DATA_LEN },
395 [NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, },
396 [NL80211_ATTR_PS_STATE] = NLA_POLICY_RANGE(NLA_U32,
399 [NL80211_ATTR_CQM] = { .type = NLA_NESTED, },
400 [NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG },
401 [NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 },
402 [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 },
403 [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 },
404 [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 },
405 [NL80211_ATTR_WIPHY_ANTENNA_TX] = { .type = NLA_U32 },
406 [NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 },
407 [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 },
408 [NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG },
409 [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
410 [NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED },
411 [NL80211_ATTR_STA_PLINK_STATE] =
412 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_PLINK_STATES - 1),
413 [NL80211_ATTR_MESH_PEER_AID] =
414 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
415 [NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 },
416 [NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED },
417 [NL80211_ATTR_SCAN_SUPP_RATES] = { .type = NLA_NESTED },
418 [NL80211_ATTR_HIDDEN_SSID] =
419 NLA_POLICY_RANGE(NLA_U32,
420 NL80211_HIDDEN_SSID_NOT_IN_USE,
421 NL80211_HIDDEN_SSID_ZERO_CONTENTS),
422 [NL80211_ATTR_IE_PROBE_RESP] =
423 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
424 IEEE80211_MAX_DATA_LEN),
425 [NL80211_ATTR_IE_ASSOC_RESP] =
426 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
427 IEEE80211_MAX_DATA_LEN),
428 [NL80211_ATTR_ROAM_SUPPORT] = { .type = NLA_FLAG },
429 [NL80211_ATTR_SCHED_SCAN_MATCH] = { .type = NLA_NESTED },
430 [NL80211_ATTR_TX_NO_CCK_RATE] = { .type = NLA_FLAG },
431 [NL80211_ATTR_TDLS_ACTION] = { .type = NLA_U8 },
432 [NL80211_ATTR_TDLS_DIALOG_TOKEN] = { .type = NLA_U8 },
433 [NL80211_ATTR_TDLS_OPERATION] = { .type = NLA_U8 },
434 [NL80211_ATTR_TDLS_SUPPORT] = { .type = NLA_FLAG },
435 [NL80211_ATTR_TDLS_EXTERNAL_SETUP] = { .type = NLA_FLAG },
436 [NL80211_ATTR_TDLS_INITIATOR] = { .type = NLA_FLAG },
437 [NL80211_ATTR_DONT_WAIT_FOR_ACK] = { .type = NLA_FLAG },
438 [NL80211_ATTR_PROBE_RESP] = { .type = NLA_BINARY,
439 .len = IEEE80211_MAX_DATA_LEN },
440 [NL80211_ATTR_DFS_REGION] = { .type = NLA_U8 },
441 [NL80211_ATTR_DISABLE_HT] = { .type = NLA_FLAG },
442 [NL80211_ATTR_HT_CAPABILITY_MASK] = {
443 .len = NL80211_HT_CAPABILITY_LEN
445 [NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 },
446 [NL80211_ATTR_INACTIVITY_TIMEOUT] = { .type = NLA_U16 },
447 [NL80211_ATTR_BG_SCAN_PERIOD] = { .type = NLA_U16 },
448 [NL80211_ATTR_WDEV] = { .type = NLA_U64 },
449 [NL80211_ATTR_USER_REG_HINT_TYPE] = { .type = NLA_U32 },
450 [NL80211_ATTR_AUTH_DATA] = { .type = NLA_BINARY, },
451 [NL80211_ATTR_VHT_CAPABILITY] = { .len = NL80211_VHT_CAPABILITY_LEN },
452 [NL80211_ATTR_SCAN_FLAGS] = { .type = NLA_U32 },
453 [NL80211_ATTR_P2P_CTWINDOW] = NLA_POLICY_MAX(NLA_U8, 127),
454 [NL80211_ATTR_P2P_OPPPS] = NLA_POLICY_MAX(NLA_U8, 1),
455 [NL80211_ATTR_LOCAL_MESH_POWER_MODE] =
456 NLA_POLICY_RANGE(NLA_U32,
457 NL80211_MESH_POWER_UNKNOWN + 1,
458 NL80211_MESH_POWER_MAX),
459 [NL80211_ATTR_ACL_POLICY] = {. type = NLA_U32 },
460 [NL80211_ATTR_MAC_ADDRS] = { .type = NLA_NESTED },
461 [NL80211_ATTR_STA_CAPABILITY] = { .type = NLA_U16 },
462 [NL80211_ATTR_STA_EXT_CAPABILITY] = { .type = NLA_BINARY, },
463 [NL80211_ATTR_SPLIT_WIPHY_DUMP] = { .type = NLA_FLAG, },
464 [NL80211_ATTR_DISABLE_VHT] = { .type = NLA_FLAG },
465 [NL80211_ATTR_VHT_CAPABILITY_MASK] = {
466 .len = NL80211_VHT_CAPABILITY_LEN,
468 [NL80211_ATTR_MDID] = { .type = NLA_U16 },
469 [NL80211_ATTR_IE_RIC] = { .type = NLA_BINARY,
470 .len = IEEE80211_MAX_DATA_LEN },
471 [NL80211_ATTR_PEER_AID] =
472 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
473 [NL80211_ATTR_CH_SWITCH_COUNT] = { .type = NLA_U32 },
474 [NL80211_ATTR_CH_SWITCH_BLOCK_TX] = { .type = NLA_FLAG },
475 [NL80211_ATTR_CSA_IES] = { .type = NLA_NESTED },
476 [NL80211_ATTR_CSA_C_OFF_BEACON] = { .type = NLA_BINARY },
477 [NL80211_ATTR_CSA_C_OFF_PRESP] = { .type = NLA_BINARY },
478 [NL80211_ATTR_STA_SUPPORTED_CHANNELS] = { .type = NLA_BINARY },
479 [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES] = { .type = NLA_BINARY },
480 [NL80211_ATTR_HANDLE_DFS] = { .type = NLA_FLAG },
481 [NL80211_ATTR_OPMODE_NOTIF] = { .type = NLA_U8 },
482 [NL80211_ATTR_VENDOR_ID] = { .type = NLA_U32 },
483 [NL80211_ATTR_VENDOR_SUBCMD] = { .type = NLA_U32 },
484 [NL80211_ATTR_VENDOR_DATA] = { .type = NLA_BINARY },
485 [NL80211_ATTR_QOS_MAP] = { .type = NLA_BINARY,
486 .len = IEEE80211_QOS_MAP_LEN_MAX },
487 [NL80211_ATTR_MAC_HINT] = { .len = ETH_ALEN },
488 [NL80211_ATTR_WIPHY_FREQ_HINT] = { .type = NLA_U32 },
489 [NL80211_ATTR_TDLS_PEER_CAPABILITY] = { .type = NLA_U32 },
490 [NL80211_ATTR_SOCKET_OWNER] = { .type = NLA_FLAG },
491 [NL80211_ATTR_CSA_C_OFFSETS_TX] = { .type = NLA_BINARY },
492 [NL80211_ATTR_USE_RRM] = { .type = NLA_FLAG },
493 [NL80211_ATTR_TSID] = NLA_POLICY_MAX(NLA_U8, IEEE80211_NUM_TIDS - 1),
494 [NL80211_ATTR_USER_PRIO] =
495 NLA_POLICY_MAX(NLA_U8, IEEE80211_NUM_UPS - 1),
496 [NL80211_ATTR_ADMITTED_TIME] = { .type = NLA_U16 },
497 [NL80211_ATTR_SMPS_MODE] = { .type = NLA_U8 },
498 [NL80211_ATTR_MAC_MASK] = { .len = ETH_ALEN },
499 [NL80211_ATTR_WIPHY_SELF_MANAGED_REG] = { .type = NLA_FLAG },
500 [NL80211_ATTR_NETNS_FD] = { .type = NLA_U32 },
501 [NL80211_ATTR_SCHED_SCAN_DELAY] = { .type = NLA_U32 },
502 [NL80211_ATTR_REG_INDOOR] = { .type = NLA_FLAG },
503 [NL80211_ATTR_PBSS] = { .type = NLA_FLAG },
504 [NL80211_ATTR_BSS_SELECT] = { .type = NLA_NESTED },
505 [NL80211_ATTR_STA_SUPPORT_P2P_PS] =
506 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_P2P_PS_STATUS - 1),
507 [NL80211_ATTR_MU_MIMO_GROUP_DATA] = {
508 .len = VHT_MUMIMO_GROUPS_DATA_LEN
510 [NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR] = { .len = ETH_ALEN },
511 [NL80211_ATTR_NAN_MASTER_PREF] = NLA_POLICY_MIN(NLA_U8, 1),
512 [NL80211_ATTR_BANDS] = { .type = NLA_U32 },
513 [NL80211_ATTR_NAN_FUNC] = { .type = NLA_NESTED },
514 [NL80211_ATTR_FILS_KEK] = { .type = NLA_BINARY,
515 .len = FILS_MAX_KEK_LEN },
516 [NL80211_ATTR_FILS_NONCES] = { .len = 2 * FILS_NONCE_LEN },
517 [NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED] = { .type = NLA_FLAG, },
518 [NL80211_ATTR_BSSID] = { .len = ETH_ALEN },
519 [NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] = { .type = NLA_S8 },
520 [NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST] = {
521 .len = sizeof(struct nl80211_bss_select_rssi_adjust)
523 [NL80211_ATTR_TIMEOUT_REASON] = { .type = NLA_U32 },
524 [NL80211_ATTR_FILS_ERP_USERNAME] = { .type = NLA_BINARY,
525 .len = FILS_ERP_MAX_USERNAME_LEN },
526 [NL80211_ATTR_FILS_ERP_REALM] = { .type = NLA_BINARY,
527 .len = FILS_ERP_MAX_REALM_LEN },
528 [NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] = { .type = NLA_U16 },
529 [NL80211_ATTR_FILS_ERP_RRK] = { .type = NLA_BINARY,
530 .len = FILS_ERP_MAX_RRK_LEN },
531 [NL80211_ATTR_FILS_CACHE_ID] = { .len = 2 },
532 [NL80211_ATTR_PMK] = { .type = NLA_BINARY, .len = PMK_MAX_LEN },
533 [NL80211_ATTR_SCHED_SCAN_MULTI] = { .type = NLA_FLAG },
534 [NL80211_ATTR_EXTERNAL_AUTH_SUPPORT] = { .type = NLA_FLAG },
536 [NL80211_ATTR_TXQ_LIMIT] = { .type = NLA_U32 },
537 [NL80211_ATTR_TXQ_MEMORY_LIMIT] = { .type = NLA_U32 },
538 [NL80211_ATTR_TXQ_QUANTUM] = { .type = NLA_U32 },
539 [NL80211_ATTR_HE_CAPABILITY] = { .type = NLA_BINARY,
540 .len = NL80211_HE_MAX_CAPABILITY_LEN },
542 [NL80211_ATTR_FTM_RESPONDER] = {
544 .validation_data = nl80211_ftm_responder_policy,
546 [NL80211_ATTR_TIMEOUT] = NLA_POLICY_MIN(NLA_U32, 1),
547 [NL80211_ATTR_PEER_MEASUREMENTS] =
548 NLA_POLICY_NESTED(nl80211_pmsr_attr_policy),
549 [NL80211_ATTR_AIRTIME_WEIGHT] = NLA_POLICY_MIN(NLA_U16, 1),
552 /* policy for the key attributes */
553 static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = {
554 [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN },
555 [NL80211_KEY_IDX] = { .type = NLA_U8 },
556 [NL80211_KEY_CIPHER] = { .type = NLA_U32 },
557 [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
558 [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG },
559 [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG },
560 [NL80211_KEY_TYPE] = NLA_POLICY_MAX(NLA_U32, NUM_NL80211_KEYTYPES - 1),
561 [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
562 [NL80211_KEY_MODE] = NLA_POLICY_RANGE(NLA_U8, 0, NL80211_KEY_SET_TX),
565 /* policy for the key default flags */
566 static const struct nla_policy
567 nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = {
568 [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG },
569 [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG },
573 /* policy for WoWLAN attributes */
574 static const struct nla_policy
575 nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = {
576 [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG },
577 [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG },
578 [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG },
579 [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED },
580 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG },
581 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG },
582 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG },
583 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG },
584 [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED },
585 [NL80211_WOWLAN_TRIG_NET_DETECT] = { .type = NLA_NESTED },
588 static const struct nla_policy
589 nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = {
590 [NL80211_WOWLAN_TCP_SRC_IPV4] = { .type = NLA_U32 },
591 [NL80211_WOWLAN_TCP_DST_IPV4] = { .type = NLA_U32 },
592 [NL80211_WOWLAN_TCP_DST_MAC] = { .len = ETH_ALEN },
593 [NL80211_WOWLAN_TCP_SRC_PORT] = { .type = NLA_U16 },
594 [NL80211_WOWLAN_TCP_DST_PORT] = { .type = NLA_U16 },
595 [NL80211_WOWLAN_TCP_DATA_PAYLOAD] = { .len = 1 },
596 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ] = {
597 .len = sizeof(struct nl80211_wowlan_tcp_data_seq)
599 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN] = {
600 .len = sizeof(struct nl80211_wowlan_tcp_data_token)
602 [NL80211_WOWLAN_TCP_DATA_INTERVAL] = { .type = NLA_U32 },
603 [NL80211_WOWLAN_TCP_WAKE_PAYLOAD] = { .len = 1 },
604 [NL80211_WOWLAN_TCP_WAKE_MASK] = { .len = 1 },
606 #endif /* CONFIG_PM */
608 /* policy for coalesce rule attributes */
609 static const struct nla_policy
610 nl80211_coalesce_policy[NUM_NL80211_ATTR_COALESCE_RULE] = {
611 [NL80211_ATTR_COALESCE_RULE_DELAY] = { .type = NLA_U32 },
612 [NL80211_ATTR_COALESCE_RULE_CONDITION] =
613 NLA_POLICY_RANGE(NLA_U32,
614 NL80211_COALESCE_CONDITION_MATCH,
615 NL80211_COALESCE_CONDITION_NO_MATCH),
616 [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN] = { .type = NLA_NESTED },
619 /* policy for GTK rekey offload attributes */
620 static const struct nla_policy
621 nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = {
622 [NL80211_REKEY_DATA_KEK] = { .len = NL80211_KEK_LEN },
623 [NL80211_REKEY_DATA_KCK] = { .len = NL80211_KCK_LEN },
624 [NL80211_REKEY_DATA_REPLAY_CTR] = { .len = NL80211_REPLAY_CTR_LEN },
627 static const struct nla_policy
628 nl80211_match_band_rssi_policy[NUM_NL80211_BANDS] = {
629 [NL80211_BAND_2GHZ] = { .type = NLA_S32 },
630 [NL80211_BAND_5GHZ] = { .type = NLA_S32 },
631 [NL80211_BAND_60GHZ] = { .type = NLA_S32 },
634 static const struct nla_policy
635 nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = {
636 [NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY,
637 .len = IEEE80211_MAX_SSID_LEN },
638 [NL80211_SCHED_SCAN_MATCH_ATTR_BSSID] = { .len = ETH_ALEN },
639 [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 },
640 [NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI] =
641 NLA_POLICY_NESTED(nl80211_match_band_rssi_policy),
644 static const struct nla_policy
645 nl80211_plan_policy[NL80211_SCHED_SCAN_PLAN_MAX + 1] = {
646 [NL80211_SCHED_SCAN_PLAN_INTERVAL] = { .type = NLA_U32 },
647 [NL80211_SCHED_SCAN_PLAN_ITERATIONS] = { .type = NLA_U32 },
650 static const struct nla_policy
651 nl80211_bss_select_policy[NL80211_BSS_SELECT_ATTR_MAX + 1] = {
652 [NL80211_BSS_SELECT_ATTR_RSSI] = { .type = NLA_FLAG },
653 [NL80211_BSS_SELECT_ATTR_BAND_PREF] = { .type = NLA_U32 },
654 [NL80211_BSS_SELECT_ATTR_RSSI_ADJUST] = {
655 .len = sizeof(struct nl80211_bss_select_rssi_adjust)
659 /* policy for NAN function attributes */
660 static const struct nla_policy
661 nl80211_nan_func_policy[NL80211_NAN_FUNC_ATTR_MAX + 1] = {
662 [NL80211_NAN_FUNC_TYPE] = { .type = NLA_U8 },
663 [NL80211_NAN_FUNC_SERVICE_ID] = {
664 .len = NL80211_NAN_FUNC_SERVICE_ID_LEN },
665 [NL80211_NAN_FUNC_PUBLISH_TYPE] = { .type = NLA_U8 },
666 [NL80211_NAN_FUNC_PUBLISH_BCAST] = { .type = NLA_FLAG },
667 [NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE] = { .type = NLA_FLAG },
668 [NL80211_NAN_FUNC_FOLLOW_UP_ID] = { .type = NLA_U8 },
669 [NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] = { .type = NLA_U8 },
670 [NL80211_NAN_FUNC_FOLLOW_UP_DEST] = { .len = ETH_ALEN },
671 [NL80211_NAN_FUNC_CLOSE_RANGE] = { .type = NLA_FLAG },
672 [NL80211_NAN_FUNC_TTL] = { .type = NLA_U32 },
673 [NL80211_NAN_FUNC_SERVICE_INFO] = { .type = NLA_BINARY,
674 .len = NL80211_NAN_FUNC_SERVICE_SPEC_INFO_MAX_LEN },
675 [NL80211_NAN_FUNC_SRF] = { .type = NLA_NESTED },
676 [NL80211_NAN_FUNC_RX_MATCH_FILTER] = { .type = NLA_NESTED },
677 [NL80211_NAN_FUNC_TX_MATCH_FILTER] = { .type = NLA_NESTED },
678 [NL80211_NAN_FUNC_INSTANCE_ID] = { .type = NLA_U8 },
679 [NL80211_NAN_FUNC_TERM_REASON] = { .type = NLA_U8 },
682 /* policy for Service Response Filter attributes */
683 static const struct nla_policy
684 nl80211_nan_srf_policy[NL80211_NAN_SRF_ATTR_MAX + 1] = {
685 [NL80211_NAN_SRF_INCLUDE] = { .type = NLA_FLAG },
686 [NL80211_NAN_SRF_BF] = { .type = NLA_BINARY,
687 .len = NL80211_NAN_FUNC_SRF_MAX_LEN },
688 [NL80211_NAN_SRF_BF_IDX] = { .type = NLA_U8 },
689 [NL80211_NAN_SRF_MAC_ADDRS] = { .type = NLA_NESTED },
692 /* policy for packet pattern attributes */
693 static const struct nla_policy
694 nl80211_packet_pattern_policy[MAX_NL80211_PKTPAT + 1] = {
695 [NL80211_PKTPAT_MASK] = { .type = NLA_BINARY, },
696 [NL80211_PKTPAT_PATTERN] = { .type = NLA_BINARY, },
697 [NL80211_PKTPAT_OFFSET] = { .type = NLA_U32 },
700 int nl80211_prepare_wdev_dump(struct netlink_callback *cb,
701 struct cfg80211_registered_device **rdev,
702 struct wireless_dev **wdev)
707 err = nlmsg_parse_deprecated(cb->nlh,
708 GENL_HDRLEN + nl80211_fam.hdrsize,
709 genl_family_attrbuf(&nl80211_fam),
711 nl80211_policy, NULL);
715 *wdev = __cfg80211_wdev_from_attrs(
716 sock_net(cb->skb->sk),
717 genl_family_attrbuf(&nl80211_fam));
719 return PTR_ERR(*wdev);
720 *rdev = wiphy_to_rdev((*wdev)->wiphy);
721 /* 0 is the first index - add 1 to parse only once */
722 cb->args[0] = (*rdev)->wiphy_idx + 1;
723 cb->args[1] = (*wdev)->identifier;
725 /* subtract the 1 again here */
726 struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
727 struct wireless_dev *tmp;
731 *rdev = wiphy_to_rdev(wiphy);
734 list_for_each_entry(tmp, &(*rdev)->wiphy.wdev_list, list) {
735 if (tmp->identifier == cb->args[1]) {
748 /* message building helper */
749 void *nl80211hdr_put(struct sk_buff *skb, u32 portid, u32 seq,
752 /* since there is no private header just add the generic one */
753 return genlmsg_put(skb, portid, seq, &nl80211_fam, flags, cmd);
756 static int nl80211_msg_put_wmm_rules(struct sk_buff *msg,
757 const struct ieee80211_reg_rule *rule)
760 struct nlattr *nl_wmm_rules =
761 nla_nest_start_noflag(msg, NL80211_FREQUENCY_ATTR_WMM);
764 goto nla_put_failure;
766 for (j = 0; j < IEEE80211_NUM_ACS; j++) {
767 struct nlattr *nl_wmm_rule = nla_nest_start_noflag(msg, j);
770 goto nla_put_failure;
772 if (nla_put_u16(msg, NL80211_WMMR_CW_MIN,
773 rule->wmm_rule.client[j].cw_min) ||
774 nla_put_u16(msg, NL80211_WMMR_CW_MAX,
775 rule->wmm_rule.client[j].cw_max) ||
776 nla_put_u8(msg, NL80211_WMMR_AIFSN,
777 rule->wmm_rule.client[j].aifsn) ||
778 nla_put_u16(msg, NL80211_WMMR_TXOP,
779 rule->wmm_rule.client[j].cot))
780 goto nla_put_failure;
782 nla_nest_end(msg, nl_wmm_rule);
784 nla_nest_end(msg, nl_wmm_rules);
792 static int nl80211_msg_put_channel(struct sk_buff *msg, struct wiphy *wiphy,
793 struct ieee80211_channel *chan,
796 /* Some channels must be completely excluded from the
797 * list to protect old user-space tools from breaking
799 if (!large && chan->flags &
800 (IEEE80211_CHAN_NO_10MHZ | IEEE80211_CHAN_NO_20MHZ))
803 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_FREQ,
805 goto nla_put_failure;
807 if ((chan->flags & IEEE80211_CHAN_DISABLED) &&
808 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DISABLED))
809 goto nla_put_failure;
810 if (chan->flags & IEEE80211_CHAN_NO_IR) {
811 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IR))
812 goto nla_put_failure;
813 if (nla_put_flag(msg, __NL80211_FREQUENCY_ATTR_NO_IBSS))
814 goto nla_put_failure;
816 if (chan->flags & IEEE80211_CHAN_RADAR) {
817 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR))
818 goto nla_put_failure;
822 time = elapsed_jiffies_msecs(chan->dfs_state_entered);
824 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_STATE,
826 goto nla_put_failure;
827 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_TIME,
829 goto nla_put_failure;
831 NL80211_FREQUENCY_ATTR_DFS_CAC_TIME,
833 goto nla_put_failure;
838 if ((chan->flags & IEEE80211_CHAN_NO_HT40MINUS) &&
839 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS))
840 goto nla_put_failure;
841 if ((chan->flags & IEEE80211_CHAN_NO_HT40PLUS) &&
842 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS))
843 goto nla_put_failure;
844 if ((chan->flags & IEEE80211_CHAN_NO_80MHZ) &&
845 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_80MHZ))
846 goto nla_put_failure;
847 if ((chan->flags & IEEE80211_CHAN_NO_160MHZ) &&
848 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_160MHZ))
849 goto nla_put_failure;
850 if ((chan->flags & IEEE80211_CHAN_INDOOR_ONLY) &&
851 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_INDOOR_ONLY))
852 goto nla_put_failure;
853 if ((chan->flags & IEEE80211_CHAN_IR_CONCURRENT) &&
854 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_IR_CONCURRENT))
855 goto nla_put_failure;
856 if ((chan->flags & IEEE80211_CHAN_NO_20MHZ) &&
857 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_20MHZ))
858 goto nla_put_failure;
859 if ((chan->flags & IEEE80211_CHAN_NO_10MHZ) &&
860 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_10MHZ))
861 goto nla_put_failure;
864 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER,
865 DBM_TO_MBM(chan->max_power)))
866 goto nla_put_failure;
869 const struct ieee80211_reg_rule *rule =
870 freq_reg_info(wiphy, MHZ_TO_KHZ(chan->center_freq));
872 if (!IS_ERR_OR_NULL(rule) && rule->has_wmm) {
873 if (nl80211_msg_put_wmm_rules(msg, rule))
874 goto nla_put_failure;
884 static bool nl80211_put_txq_stats(struct sk_buff *msg,
885 struct cfg80211_txq_stats *txqstats,
888 struct nlattr *txqattr;
890 #define PUT_TXQVAL_U32(attr, memb) do { \
891 if (txqstats->filled & BIT(NL80211_TXQ_STATS_ ## attr) && \
892 nla_put_u32(msg, NL80211_TXQ_STATS_ ## attr, txqstats->memb)) \
896 txqattr = nla_nest_start_noflag(msg, attrtype);
900 PUT_TXQVAL_U32(BACKLOG_BYTES, backlog_bytes);
901 PUT_TXQVAL_U32(BACKLOG_PACKETS, backlog_packets);
902 PUT_TXQVAL_U32(FLOWS, flows);
903 PUT_TXQVAL_U32(DROPS, drops);
904 PUT_TXQVAL_U32(ECN_MARKS, ecn_marks);
905 PUT_TXQVAL_U32(OVERLIMIT, overlimit);
906 PUT_TXQVAL_U32(OVERMEMORY, overmemory);
907 PUT_TXQVAL_U32(COLLISIONS, collisions);
908 PUT_TXQVAL_U32(TX_BYTES, tx_bytes);
909 PUT_TXQVAL_U32(TX_PACKETS, tx_packets);
910 PUT_TXQVAL_U32(MAX_FLOWS, max_flows);
911 nla_nest_end(msg, txqattr);
913 #undef PUT_TXQVAL_U32
917 /* netlink command implementations */
924 bool def_uni, def_multi;
927 static int nl80211_parse_key_new(struct genl_info *info, struct nlattr *key,
930 struct nlattr *tb[NL80211_KEY_MAX + 1];
931 int err = nla_parse_nested_deprecated(tb, NL80211_KEY_MAX, key,
937 k->def = !!tb[NL80211_KEY_DEFAULT];
938 k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT];
947 if (tb[NL80211_KEY_IDX])
948 k->idx = nla_get_u8(tb[NL80211_KEY_IDX]);
950 if (tb[NL80211_KEY_DATA]) {
951 k->p.key = nla_data(tb[NL80211_KEY_DATA]);
952 k->p.key_len = nla_len(tb[NL80211_KEY_DATA]);
955 if (tb[NL80211_KEY_SEQ]) {
956 k->p.seq = nla_data(tb[NL80211_KEY_SEQ]);
957 k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]);
960 if (tb[NL80211_KEY_CIPHER])
961 k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]);
963 if (tb[NL80211_KEY_TYPE])
964 k->type = nla_get_u32(tb[NL80211_KEY_TYPE]);
966 if (tb[NL80211_KEY_DEFAULT_TYPES]) {
967 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
969 err = nla_parse_nested_deprecated(kdt,
970 NUM_NL80211_KEY_DEFAULT_TYPES - 1,
971 tb[NL80211_KEY_DEFAULT_TYPES],
972 nl80211_key_default_policy,
977 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
978 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
981 if (tb[NL80211_KEY_MODE])
982 k->p.mode = nla_get_u8(tb[NL80211_KEY_MODE]);
987 static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k)
989 if (info->attrs[NL80211_ATTR_KEY_DATA]) {
990 k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]);
991 k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]);
994 if (info->attrs[NL80211_ATTR_KEY_SEQ]) {
995 k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]);
996 k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]);
999 if (info->attrs[NL80211_ATTR_KEY_IDX])
1000 k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
1002 if (info->attrs[NL80211_ATTR_KEY_CIPHER])
1003 k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]);
1005 k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT];
1006 k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT];
1010 k->def_multi = true;
1013 k->def_multi = true;
1015 if (info->attrs[NL80211_ATTR_KEY_TYPE])
1016 k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
1018 if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) {
1019 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
1020 int err = nla_parse_nested_deprecated(kdt,
1021 NUM_NL80211_KEY_DEFAULT_TYPES - 1,
1022 info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES],
1023 nl80211_key_default_policy,
1028 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
1029 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
1035 static int nl80211_parse_key(struct genl_info *info, struct key_parse *k)
1039 memset(k, 0, sizeof(*k));
1043 if (info->attrs[NL80211_ATTR_KEY])
1044 err = nl80211_parse_key_new(info, info->attrs[NL80211_ATTR_KEY], k);
1046 err = nl80211_parse_key_old(info, k);
1051 if (k->def && k->defmgmt) {
1052 GENL_SET_ERR_MSG(info, "key with def && defmgmt is invalid");
1057 if (k->def_uni || !k->def_multi) {
1058 GENL_SET_ERR_MSG(info, "defmgmt key must be mcast");
1065 if (k->idx < 4 || k->idx > 5) {
1066 GENL_SET_ERR_MSG(info,
1067 "defmgmt key idx not 4 or 5");
1070 } else if (k->def) {
1071 if (k->idx < 0 || k->idx > 3) {
1072 GENL_SET_ERR_MSG(info, "def key idx not 0-3");
1076 if (k->idx < 0 || k->idx > 5) {
1077 GENL_SET_ERR_MSG(info, "key idx not 0-5");
1086 static struct cfg80211_cached_keys *
1087 nl80211_parse_connkeys(struct cfg80211_registered_device *rdev,
1088 struct genl_info *info, bool *no_ht)
1090 struct nlattr *keys = info->attrs[NL80211_ATTR_KEYS];
1091 struct key_parse parse;
1093 struct cfg80211_cached_keys *result;
1094 int rem, err, def = 0;
1095 bool have_key = false;
1097 nla_for_each_nested(key, keys, rem) {
1105 result = kzalloc(sizeof(*result), GFP_KERNEL);
1107 return ERR_PTR(-ENOMEM);
1111 nla_for_each_nested(key, keys, rem) {
1112 memset(&parse, 0, sizeof(parse));
1115 err = nl80211_parse_key_new(info, key, &parse);
1121 if (parse.idx < 0 || parse.idx > 3) {
1122 GENL_SET_ERR_MSG(info, "key index out of range [0-3]");
1127 GENL_SET_ERR_MSG(info,
1128 "only one key can be default");
1132 result->def = parse.idx;
1133 if (!parse.def_uni || !parse.def_multi)
1135 } else if (parse.defmgmt)
1137 err = cfg80211_validate_key_settings(rdev, &parse.p,
1138 parse.idx, false, NULL);
1141 if (parse.p.cipher != WLAN_CIPHER_SUITE_WEP40 &&
1142 parse.p.cipher != WLAN_CIPHER_SUITE_WEP104) {
1143 GENL_SET_ERR_MSG(info, "connect key must be WEP");
1147 result->params[parse.idx].cipher = parse.p.cipher;
1148 result->params[parse.idx].key_len = parse.p.key_len;
1149 result->params[parse.idx].key = result->data[parse.idx];
1150 memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len);
1152 /* must be WEP key if we got here */
1157 if (result->def < 0) {
1159 GENL_SET_ERR_MSG(info, "need a default/TX key");
1166 return ERR_PTR(err);
1169 static int nl80211_key_allowed(struct wireless_dev *wdev)
1171 ASSERT_WDEV_LOCK(wdev);
1173 switch (wdev->iftype) {
1174 case NL80211_IFTYPE_AP:
1175 case NL80211_IFTYPE_AP_VLAN:
1176 case NL80211_IFTYPE_P2P_GO:
1177 case NL80211_IFTYPE_MESH_POINT:
1179 case NL80211_IFTYPE_ADHOC:
1180 case NL80211_IFTYPE_STATION:
1181 case NL80211_IFTYPE_P2P_CLIENT:
1182 if (!wdev->current_bss)
1185 case NL80211_IFTYPE_UNSPECIFIED:
1186 case NL80211_IFTYPE_OCB:
1187 case NL80211_IFTYPE_MONITOR:
1188 case NL80211_IFTYPE_NAN:
1189 case NL80211_IFTYPE_P2P_DEVICE:
1190 case NL80211_IFTYPE_WDS:
1191 case NUM_NL80211_IFTYPES:
1198 static struct ieee80211_channel *nl80211_get_valid_chan(struct wiphy *wiphy,
1201 struct ieee80211_channel *chan;
1205 chan = ieee80211_get_channel(wiphy, nla_get_u32(tb));
1206 if (!chan || chan->flags & IEEE80211_CHAN_DISABLED)
1211 static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes)
1213 struct nlattr *nl_modes = nla_nest_start_noflag(msg, attr);
1217 goto nla_put_failure;
1221 if ((ifmodes & 1) && nla_put_flag(msg, i))
1222 goto nla_put_failure;
1227 nla_nest_end(msg, nl_modes);
1234 static int nl80211_put_iface_combinations(struct wiphy *wiphy,
1235 struct sk_buff *msg,
1238 struct nlattr *nl_combis;
1241 nl_combis = nla_nest_start_noflag(msg,
1242 NL80211_ATTR_INTERFACE_COMBINATIONS);
1244 goto nla_put_failure;
1246 for (i = 0; i < wiphy->n_iface_combinations; i++) {
1247 const struct ieee80211_iface_combination *c;
1248 struct nlattr *nl_combi, *nl_limits;
1250 c = &wiphy->iface_combinations[i];
1252 nl_combi = nla_nest_start_noflag(msg, i + 1);
1254 goto nla_put_failure;
1256 nl_limits = nla_nest_start_noflag(msg,
1257 NL80211_IFACE_COMB_LIMITS);
1259 goto nla_put_failure;
1261 for (j = 0; j < c->n_limits; j++) {
1262 struct nlattr *nl_limit;
1264 nl_limit = nla_nest_start_noflag(msg, j + 1);
1266 goto nla_put_failure;
1267 if (nla_put_u32(msg, NL80211_IFACE_LIMIT_MAX,
1269 goto nla_put_failure;
1270 if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES,
1271 c->limits[j].types))
1272 goto nla_put_failure;
1273 nla_nest_end(msg, nl_limit);
1276 nla_nest_end(msg, nl_limits);
1278 if (c->beacon_int_infra_match &&
1279 nla_put_flag(msg, NL80211_IFACE_COMB_STA_AP_BI_MATCH))
1280 goto nla_put_failure;
1281 if (nla_put_u32(msg, NL80211_IFACE_COMB_NUM_CHANNELS,
1282 c->num_different_channels) ||
1283 nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM,
1285 goto nla_put_failure;
1287 (nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS,
1288 c->radar_detect_widths) ||
1289 nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS,
1290 c->radar_detect_regions)))
1291 goto nla_put_failure;
1292 if (c->beacon_int_min_gcd &&
1293 nla_put_u32(msg, NL80211_IFACE_COMB_BI_MIN_GCD,
1294 c->beacon_int_min_gcd))
1295 goto nla_put_failure;
1297 nla_nest_end(msg, nl_combi);
1300 nla_nest_end(msg, nl_combis);
1308 static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev,
1309 struct sk_buff *msg)
1311 const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan->tcp;
1312 struct nlattr *nl_tcp;
1317 nl_tcp = nla_nest_start_noflag(msg,
1318 NL80211_WOWLAN_TRIG_TCP_CONNECTION);
1322 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
1323 tcp->data_payload_max))
1326 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
1327 tcp->data_payload_max))
1330 if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ))
1333 if (tcp->tok && nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
1334 sizeof(*tcp->tok), tcp->tok))
1337 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
1338 tcp->data_interval_max))
1341 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
1342 tcp->wake_payload_max))
1345 nla_nest_end(msg, nl_tcp);
1349 static int nl80211_send_wowlan(struct sk_buff *msg,
1350 struct cfg80211_registered_device *rdev,
1353 struct nlattr *nl_wowlan;
1355 if (!rdev->wiphy.wowlan)
1358 nl_wowlan = nla_nest_start_noflag(msg,
1359 NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED);
1363 if (((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_ANY) &&
1364 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
1365 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_DISCONNECT) &&
1366 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
1367 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT) &&
1368 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
1369 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) &&
1370 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED)) ||
1371 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) &&
1372 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
1373 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) &&
1374 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
1375 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) &&
1376 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
1377 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE) &&
1378 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
1381 if (rdev->wiphy.wowlan->n_patterns) {
1382 struct nl80211_pattern_support pat = {
1383 .max_patterns = rdev->wiphy.wowlan->n_patterns,
1384 .min_pattern_len = rdev->wiphy.wowlan->pattern_min_len,
1385 .max_pattern_len = rdev->wiphy.wowlan->pattern_max_len,
1386 .max_pkt_offset = rdev->wiphy.wowlan->max_pkt_offset,
1389 if (nla_put(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
1394 if ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_NET_DETECT) &&
1395 nla_put_u32(msg, NL80211_WOWLAN_TRIG_NET_DETECT,
1396 rdev->wiphy.wowlan->max_nd_match_sets))
1399 if (large && nl80211_send_wowlan_tcp_caps(rdev, msg))
1402 nla_nest_end(msg, nl_wowlan);
1408 static int nl80211_send_coalesce(struct sk_buff *msg,
1409 struct cfg80211_registered_device *rdev)
1411 struct nl80211_coalesce_rule_support rule;
1413 if (!rdev->wiphy.coalesce)
1416 rule.max_rules = rdev->wiphy.coalesce->n_rules;
1417 rule.max_delay = rdev->wiphy.coalesce->max_delay;
1418 rule.pat.max_patterns = rdev->wiphy.coalesce->n_patterns;
1419 rule.pat.min_pattern_len = rdev->wiphy.coalesce->pattern_min_len;
1420 rule.pat.max_pattern_len = rdev->wiphy.coalesce->pattern_max_len;
1421 rule.pat.max_pkt_offset = rdev->wiphy.coalesce->max_pkt_offset;
1423 if (nla_put(msg, NL80211_ATTR_COALESCE_RULE, sizeof(rule), &rule))
1430 nl80211_send_iftype_data(struct sk_buff *msg,
1431 const struct ieee80211_sband_iftype_data *iftdata)
1433 const struct ieee80211_sta_he_cap *he_cap = &iftdata->he_cap;
1435 if (nl80211_put_iftypes(msg, NL80211_BAND_IFTYPE_ATTR_IFTYPES,
1436 iftdata->types_mask))
1439 if (he_cap->has_he) {
1440 if (nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC,
1441 sizeof(he_cap->he_cap_elem.mac_cap_info),
1442 he_cap->he_cap_elem.mac_cap_info) ||
1443 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY,
1444 sizeof(he_cap->he_cap_elem.phy_cap_info),
1445 he_cap->he_cap_elem.phy_cap_info) ||
1446 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET,
1447 sizeof(he_cap->he_mcs_nss_supp),
1448 &he_cap->he_mcs_nss_supp) ||
1449 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE,
1450 sizeof(he_cap->ppe_thres), he_cap->ppe_thres))
1457 static int nl80211_send_band_rateinfo(struct sk_buff *msg,
1458 struct ieee80211_supported_band *sband)
1460 struct nlattr *nl_rates, *nl_rate;
1461 struct ieee80211_rate *rate;
1465 if (sband->ht_cap.ht_supported &&
1466 (nla_put(msg, NL80211_BAND_ATTR_HT_MCS_SET,
1467 sizeof(sband->ht_cap.mcs),
1468 &sband->ht_cap.mcs) ||
1469 nla_put_u16(msg, NL80211_BAND_ATTR_HT_CAPA,
1470 sband->ht_cap.cap) ||
1471 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR,
1472 sband->ht_cap.ampdu_factor) ||
1473 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY,
1474 sband->ht_cap.ampdu_density)))
1478 if (sband->vht_cap.vht_supported &&
1479 (nla_put(msg, NL80211_BAND_ATTR_VHT_MCS_SET,
1480 sizeof(sband->vht_cap.vht_mcs),
1481 &sband->vht_cap.vht_mcs) ||
1482 nla_put_u32(msg, NL80211_BAND_ATTR_VHT_CAPA,
1483 sband->vht_cap.cap)))
1486 if (sband->n_iftype_data) {
1487 struct nlattr *nl_iftype_data =
1488 nla_nest_start_noflag(msg,
1489 NL80211_BAND_ATTR_IFTYPE_DATA);
1492 if (!nl_iftype_data)
1495 for (i = 0; i < sband->n_iftype_data; i++) {
1496 struct nlattr *iftdata;
1498 iftdata = nla_nest_start_noflag(msg, i + 1);
1502 err = nl80211_send_iftype_data(msg,
1503 &sband->iftype_data[i]);
1507 nla_nest_end(msg, iftdata);
1510 nla_nest_end(msg, nl_iftype_data);
1514 nl_rates = nla_nest_start_noflag(msg, NL80211_BAND_ATTR_RATES);
1518 for (i = 0; i < sband->n_bitrates; i++) {
1519 nl_rate = nla_nest_start_noflag(msg, i);
1523 rate = &sband->bitrates[i];
1524 if (nla_put_u32(msg, NL80211_BITRATE_ATTR_RATE,
1527 if ((rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) &&
1529 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE))
1532 nla_nest_end(msg, nl_rate);
1535 nla_nest_end(msg, nl_rates);
1541 nl80211_send_mgmt_stypes(struct sk_buff *msg,
1542 const struct ieee80211_txrx_stypes *mgmt_stypes)
1545 struct nlattr *nl_ftypes, *nl_ifs;
1546 enum nl80211_iftype ift;
1552 nl_ifs = nla_nest_start_noflag(msg, NL80211_ATTR_TX_FRAME_TYPES);
1556 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
1557 nl_ftypes = nla_nest_start_noflag(msg, ift);
1561 stypes = mgmt_stypes[ift].tx;
1564 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
1565 (i << 4) | IEEE80211_FTYPE_MGMT))
1570 nla_nest_end(msg, nl_ftypes);
1573 nla_nest_end(msg, nl_ifs);
1575 nl_ifs = nla_nest_start_noflag(msg, NL80211_ATTR_RX_FRAME_TYPES);
1579 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
1580 nl_ftypes = nla_nest_start_noflag(msg, ift);
1584 stypes = mgmt_stypes[ift].rx;
1587 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
1588 (i << 4) | IEEE80211_FTYPE_MGMT))
1593 nla_nest_end(msg, nl_ftypes);
1595 nla_nest_end(msg, nl_ifs);
1600 #define CMD(op, n) \
1602 if (rdev->ops->op) { \
1604 if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \
1605 goto nla_put_failure; \
1609 static int nl80211_add_commands_unsplit(struct cfg80211_registered_device *rdev,
1610 struct sk_buff *msg)
1615 * do *NOT* add anything into this function, new things need to be
1616 * advertised only to new versions of userspace that can deal with
1617 * the split (and they can't possibly care about new features...
1619 CMD(add_virtual_intf, NEW_INTERFACE);
1620 CMD(change_virtual_intf, SET_INTERFACE);
1621 CMD(add_key, NEW_KEY);
1622 CMD(start_ap, START_AP);
1623 CMD(add_station, NEW_STATION);
1624 CMD(add_mpath, NEW_MPATH);
1625 CMD(update_mesh_config, SET_MESH_CONFIG);
1626 CMD(change_bss, SET_BSS);
1627 CMD(auth, AUTHENTICATE);
1628 CMD(assoc, ASSOCIATE);
1629 CMD(deauth, DEAUTHENTICATE);
1630 CMD(disassoc, DISASSOCIATE);
1631 CMD(join_ibss, JOIN_IBSS);
1632 CMD(join_mesh, JOIN_MESH);
1633 CMD(set_pmksa, SET_PMKSA);
1634 CMD(del_pmksa, DEL_PMKSA);
1635 CMD(flush_pmksa, FLUSH_PMKSA);
1636 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)
1637 CMD(remain_on_channel, REMAIN_ON_CHANNEL);
1638 CMD(set_bitrate_mask, SET_TX_BITRATE_MASK);
1639 CMD(mgmt_tx, FRAME);
1640 CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL);
1641 if (rdev->wiphy.flags & WIPHY_FLAG_NETNS_OK) {
1643 if (nla_put_u32(msg, i, NL80211_CMD_SET_WIPHY_NETNS))
1644 goto nla_put_failure;
1646 if (rdev->ops->set_monitor_channel || rdev->ops->start_ap ||
1647 rdev->ops->join_mesh) {
1649 if (nla_put_u32(msg, i, NL80211_CMD_SET_CHANNEL))
1650 goto nla_put_failure;
1652 CMD(set_wds_peer, SET_WDS_PEER);
1653 if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) {
1654 CMD(tdls_mgmt, TDLS_MGMT);
1655 CMD(tdls_oper, TDLS_OPER);
1657 if (rdev->wiphy.max_sched_scan_reqs)
1658 CMD(sched_scan_start, START_SCHED_SCAN);
1659 CMD(probe_client, PROBE_CLIENT);
1660 CMD(set_noack_map, SET_NOACK_MAP);
1661 if (rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) {
1663 if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS))
1664 goto nla_put_failure;
1666 CMD(start_p2p_device, START_P2P_DEVICE);
1667 CMD(set_mcast_rate, SET_MCAST_RATE);
1668 #ifdef CONFIG_NL80211_TESTMODE
1669 CMD(testmode_cmd, TESTMODE);
1672 if (rdev->ops->connect || rdev->ops->auth) {
1674 if (nla_put_u32(msg, i, NL80211_CMD_CONNECT))
1675 goto nla_put_failure;
1678 if (rdev->ops->disconnect || rdev->ops->deauth) {
1680 if (nla_put_u32(msg, i, NL80211_CMD_DISCONNECT))
1681 goto nla_put_failure;
1690 nl80211_send_pmsr_ftm_capa(const struct cfg80211_pmsr_capabilities *cap,
1691 struct sk_buff *msg)
1695 if (!cap->ftm.supported)
1698 ftm = nla_nest_start_noflag(msg, NL80211_PMSR_TYPE_FTM);
1702 if (cap->ftm.asap && nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_ASAP))
1704 if (cap->ftm.non_asap &&
1705 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_NON_ASAP))
1707 if (cap->ftm.request_lci &&
1708 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_REQ_LCI))
1710 if (cap->ftm.request_civicloc &&
1711 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_REQ_CIVICLOC))
1713 if (nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_PREAMBLES,
1714 cap->ftm.preambles))
1716 if (nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_BANDWIDTHS,
1717 cap->ftm.bandwidths))
1719 if (cap->ftm.max_bursts_exponent >= 0 &&
1720 nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_MAX_BURSTS_EXPONENT,
1721 cap->ftm.max_bursts_exponent))
1723 if (cap->ftm.max_ftms_per_burst &&
1724 nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_MAX_FTMS_PER_BURST,
1725 cap->ftm.max_ftms_per_burst))
1728 nla_nest_end(msg, ftm);
1732 static int nl80211_send_pmsr_capa(struct cfg80211_registered_device *rdev,
1733 struct sk_buff *msg)
1735 const struct cfg80211_pmsr_capabilities *cap = rdev->wiphy.pmsr_capa;
1736 struct nlattr *pmsr, *caps;
1742 * we don't need to clean up anything here since the caller
1743 * will genlmsg_cancel() if we fail
1746 pmsr = nla_nest_start_noflag(msg, NL80211_ATTR_PEER_MEASUREMENTS);
1750 if (nla_put_u32(msg, NL80211_PMSR_ATTR_MAX_PEERS, cap->max_peers))
1753 if (cap->report_ap_tsf &&
1754 nla_put_flag(msg, NL80211_PMSR_ATTR_REPORT_AP_TSF))
1757 if (cap->randomize_mac_addr &&
1758 nla_put_flag(msg, NL80211_PMSR_ATTR_RANDOMIZE_MAC_ADDR))
1761 caps = nla_nest_start_noflag(msg, NL80211_PMSR_ATTR_TYPE_CAPA);
1765 if (nl80211_send_pmsr_ftm_capa(cap, msg))
1768 nla_nest_end(msg, caps);
1769 nla_nest_end(msg, pmsr);
1774 struct nl80211_dump_wiphy_state {
1777 long split_start, band_start, chan_start, capa_start;
1781 static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev,
1782 enum nl80211_commands cmd,
1783 struct sk_buff *msg, u32 portid, u32 seq,
1784 int flags, struct nl80211_dump_wiphy_state *state)
1787 struct nlattr *nl_bands, *nl_band;
1788 struct nlattr *nl_freqs, *nl_freq;
1789 struct nlattr *nl_cmds;
1790 enum nl80211_band band;
1791 struct ieee80211_channel *chan;
1793 const struct ieee80211_txrx_stypes *mgmt_stypes =
1794 rdev->wiphy.mgmt_stypes;
1797 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
1801 if (WARN_ON(!state))
1804 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
1805 nla_put_string(msg, NL80211_ATTR_WIPHY_NAME,
1806 wiphy_name(&rdev->wiphy)) ||
1807 nla_put_u32(msg, NL80211_ATTR_GENERATION,
1808 cfg80211_rdev_list_generation))
1809 goto nla_put_failure;
1811 if (cmd != NL80211_CMD_NEW_WIPHY)
1814 switch (state->split_start) {
1816 if (nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT,
1817 rdev->wiphy.retry_short) ||
1818 nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_LONG,
1819 rdev->wiphy.retry_long) ||
1820 nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD,
1821 rdev->wiphy.frag_threshold) ||
1822 nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD,
1823 rdev->wiphy.rts_threshold) ||
1824 nla_put_u8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS,
1825 rdev->wiphy.coverage_class) ||
1826 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS,
1827 rdev->wiphy.max_scan_ssids) ||
1828 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS,
1829 rdev->wiphy.max_sched_scan_ssids) ||
1830 nla_put_u16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN,
1831 rdev->wiphy.max_scan_ie_len) ||
1832 nla_put_u16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN,
1833 rdev->wiphy.max_sched_scan_ie_len) ||
1834 nla_put_u8(msg, NL80211_ATTR_MAX_MATCH_SETS,
1835 rdev->wiphy.max_match_sets) ||
1836 nla_put_u32(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS,
1837 rdev->wiphy.max_sched_scan_plans) ||
1838 nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL,
1839 rdev->wiphy.max_sched_scan_plan_interval) ||
1840 nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS,
1841 rdev->wiphy.max_sched_scan_plan_iterations))
1842 goto nla_put_failure;
1844 if ((rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) &&
1845 nla_put_flag(msg, NL80211_ATTR_SUPPORT_IBSS_RSN))
1846 goto nla_put_failure;
1847 if ((rdev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) &&
1848 nla_put_flag(msg, NL80211_ATTR_SUPPORT_MESH_AUTH))
1849 goto nla_put_failure;
1850 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) &&
1851 nla_put_flag(msg, NL80211_ATTR_SUPPORT_AP_UAPSD))
1852 goto nla_put_failure;
1853 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) &&
1854 nla_put_flag(msg, NL80211_ATTR_ROAM_SUPPORT))
1855 goto nla_put_failure;
1856 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) &&
1857 nla_put_flag(msg, NL80211_ATTR_TDLS_SUPPORT))
1858 goto nla_put_failure;
1859 if ((rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) &&
1860 nla_put_flag(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP))
1861 goto nla_put_failure;
1862 state->split_start++;
1867 if (nla_put(msg, NL80211_ATTR_CIPHER_SUITES,
1868 sizeof(u32) * rdev->wiphy.n_cipher_suites,
1869 rdev->wiphy.cipher_suites))
1870 goto nla_put_failure;
1872 if (nla_put_u8(msg, NL80211_ATTR_MAX_NUM_PMKIDS,
1873 rdev->wiphy.max_num_pmkids))
1874 goto nla_put_failure;
1876 if ((rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
1877 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE))
1878 goto nla_put_failure;
1880 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX,
1881 rdev->wiphy.available_antennas_tx) ||
1882 nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX,
1883 rdev->wiphy.available_antennas_rx))
1884 goto nla_put_failure;
1886 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) &&
1887 nla_put_u32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD,
1888 rdev->wiphy.probe_resp_offload))
1889 goto nla_put_failure;
1891 if ((rdev->wiphy.available_antennas_tx ||
1892 rdev->wiphy.available_antennas_rx) &&
1893 rdev->ops->get_antenna) {
1894 u32 tx_ant = 0, rx_ant = 0;
1897 res = rdev_get_antenna(rdev, &tx_ant, &rx_ant);
1899 if (nla_put_u32(msg,
1900 NL80211_ATTR_WIPHY_ANTENNA_TX,
1903 NL80211_ATTR_WIPHY_ANTENNA_RX,
1905 goto nla_put_failure;
1909 state->split_start++;
1914 if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES,
1915 rdev->wiphy.interface_modes))
1916 goto nla_put_failure;
1917 state->split_start++;
1922 nl_bands = nla_nest_start_noflag(msg,
1923 NL80211_ATTR_WIPHY_BANDS);
1925 goto nla_put_failure;
1927 for (band = state->band_start;
1928 band < NUM_NL80211_BANDS; band++) {
1929 struct ieee80211_supported_band *sband;
1931 sband = rdev->wiphy.bands[band];
1936 nl_band = nla_nest_start_noflag(msg, band);
1938 goto nla_put_failure;
1940 switch (state->chan_start) {
1942 if (nl80211_send_band_rateinfo(msg, sband))
1943 goto nla_put_failure;
1944 state->chan_start++;
1949 /* add frequencies */
1950 nl_freqs = nla_nest_start_noflag(msg,
1951 NL80211_BAND_ATTR_FREQS);
1953 goto nla_put_failure;
1955 for (i = state->chan_start - 1;
1956 i < sband->n_channels;
1958 nl_freq = nla_nest_start_noflag(msg,
1961 goto nla_put_failure;
1963 chan = &sband->channels[i];
1965 if (nl80211_msg_put_channel(
1966 msg, &rdev->wiphy, chan,
1968 goto nla_put_failure;
1970 nla_nest_end(msg, nl_freq);
1974 if (i < sband->n_channels)
1975 state->chan_start = i + 2;
1977 state->chan_start = 0;
1978 nla_nest_end(msg, nl_freqs);
1981 nla_nest_end(msg, nl_band);
1984 /* start again here */
1985 if (state->chan_start)
1990 nla_nest_end(msg, nl_bands);
1992 if (band < NUM_NL80211_BANDS)
1993 state->band_start = band + 1;
1995 state->band_start = 0;
1997 /* if bands & channels are done, continue outside */
1998 if (state->band_start == 0 && state->chan_start == 0)
1999 state->split_start++;
2004 nl_cmds = nla_nest_start_noflag(msg,
2005 NL80211_ATTR_SUPPORTED_COMMANDS);
2007 goto nla_put_failure;
2009 i = nl80211_add_commands_unsplit(rdev, msg);
2011 goto nla_put_failure;
2013 CMD(crit_proto_start, CRIT_PROTOCOL_START);
2014 CMD(crit_proto_stop, CRIT_PROTOCOL_STOP);
2015 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH)
2016 CMD(channel_switch, CHANNEL_SWITCH);
2017 CMD(set_qos_map, SET_QOS_MAP);
2018 if (rdev->wiphy.features &
2019 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION)
2020 CMD(add_tx_ts, ADD_TX_TS);
2021 CMD(set_multicast_to_unicast, SET_MULTICAST_TO_UNICAST);
2022 CMD(update_connect_params, UPDATE_CONNECT_PARAMS);
2026 nla_nest_end(msg, nl_cmds);
2027 state->split_start++;
2032 if (rdev->ops->remain_on_channel &&
2033 (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) &&
2035 NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION,
2036 rdev->wiphy.max_remain_on_channel_duration))
2037 goto nla_put_failure;
2039 if ((rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) &&
2040 nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK))
2041 goto nla_put_failure;
2043 if (nl80211_send_mgmt_stypes(msg, mgmt_stypes))
2044 goto nla_put_failure;
2045 state->split_start++;
2051 if (nl80211_send_wowlan(msg, rdev, state->split))
2052 goto nla_put_failure;
2053 state->split_start++;
2057 state->split_start++;
2061 if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES,
2062 rdev->wiphy.software_iftypes))
2063 goto nla_put_failure;
2065 if (nl80211_put_iface_combinations(&rdev->wiphy, msg,
2067 goto nla_put_failure;
2069 state->split_start++;
2074 if ((rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) &&
2075 nla_put_u32(msg, NL80211_ATTR_DEVICE_AP_SME,
2076 rdev->wiphy.ap_sme_capa))
2077 goto nla_put_failure;
2079 features = rdev->wiphy.features;
2081 * We can only add the per-channel limit information if the
2082 * dump is split, otherwise it makes it too big. Therefore
2083 * only advertise it in that case.
2086 features |= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS;
2087 if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS, features))
2088 goto nla_put_failure;
2090 if (rdev->wiphy.ht_capa_mod_mask &&
2091 nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK,
2092 sizeof(*rdev->wiphy.ht_capa_mod_mask),
2093 rdev->wiphy.ht_capa_mod_mask))
2094 goto nla_put_failure;
2096 if (rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME &&
2097 rdev->wiphy.max_acl_mac_addrs &&
2098 nla_put_u32(msg, NL80211_ATTR_MAC_ACL_MAX,
2099 rdev->wiphy.max_acl_mac_addrs))
2100 goto nla_put_failure;
2103 * Any information below this point is only available to
2104 * applications that can deal with it being split. This
2105 * helps ensure that newly added capabilities don't break
2106 * older tools by overrunning their buffers.
2108 * We still increment split_start so that in the split
2109 * case we'll continue with more data in the next round,
2110 * but break unconditionally so unsplit data stops here.
2112 state->split_start++;
2115 if (rdev->wiphy.extended_capabilities &&
2116 (nla_put(msg, NL80211_ATTR_EXT_CAPA,
2117 rdev->wiphy.extended_capabilities_len,
2118 rdev->wiphy.extended_capabilities) ||
2119 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
2120 rdev->wiphy.extended_capabilities_len,
2121 rdev->wiphy.extended_capabilities_mask)))
2122 goto nla_put_failure;
2124 if (rdev->wiphy.vht_capa_mod_mask &&
2125 nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK,
2126 sizeof(*rdev->wiphy.vht_capa_mod_mask),
2127 rdev->wiphy.vht_capa_mod_mask))
2128 goto nla_put_failure;
2130 state->split_start++;
2133 if (nl80211_send_coalesce(msg, rdev))
2134 goto nla_put_failure;
2136 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ) &&
2137 (nla_put_flag(msg, NL80211_ATTR_SUPPORT_5_MHZ) ||
2138 nla_put_flag(msg, NL80211_ATTR_SUPPORT_10_MHZ)))
2139 goto nla_put_failure;
2141 if (rdev->wiphy.max_ap_assoc_sta &&
2142 nla_put_u32(msg, NL80211_ATTR_MAX_AP_ASSOC_STA,
2143 rdev->wiphy.max_ap_assoc_sta))
2144 goto nla_put_failure;
2146 state->split_start++;
2149 if (rdev->wiphy.n_vendor_commands) {
2150 const struct nl80211_vendor_cmd_info *info;
2151 struct nlattr *nested;
2153 nested = nla_nest_start_noflag(msg,
2154 NL80211_ATTR_VENDOR_DATA);
2156 goto nla_put_failure;
2158 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
2159 info = &rdev->wiphy.vendor_commands[i].info;
2160 if (nla_put(msg, i + 1, sizeof(*info), info))
2161 goto nla_put_failure;
2163 nla_nest_end(msg, nested);
2166 if (rdev->wiphy.n_vendor_events) {
2167 const struct nl80211_vendor_cmd_info *info;
2168 struct nlattr *nested;
2170 nested = nla_nest_start_noflag(msg,
2171 NL80211_ATTR_VENDOR_EVENTS);
2173 goto nla_put_failure;
2175 for (i = 0; i < rdev->wiphy.n_vendor_events; i++) {
2176 info = &rdev->wiphy.vendor_events[i];
2177 if (nla_put(msg, i + 1, sizeof(*info), info))
2178 goto nla_put_failure;
2180 nla_nest_end(msg, nested);
2182 state->split_start++;
2185 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH &&
2186 nla_put_u8(msg, NL80211_ATTR_MAX_CSA_COUNTERS,
2187 rdev->wiphy.max_num_csa_counters))
2188 goto nla_put_failure;
2190 if (rdev->wiphy.regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
2191 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
2192 goto nla_put_failure;
2194 if (rdev->wiphy.max_sched_scan_reqs &&
2195 nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_MAX_REQS,
2196 rdev->wiphy.max_sched_scan_reqs))
2197 goto nla_put_failure;
2199 if (nla_put(msg, NL80211_ATTR_EXT_FEATURES,
2200 sizeof(rdev->wiphy.ext_features),
2201 rdev->wiphy.ext_features))
2202 goto nla_put_failure;
2204 if (rdev->wiphy.bss_select_support) {
2205 struct nlattr *nested;
2206 u32 bss_select_support = rdev->wiphy.bss_select_support;
2208 nested = nla_nest_start_noflag(msg,
2209 NL80211_ATTR_BSS_SELECT);
2211 goto nla_put_failure;
2214 while (bss_select_support) {
2215 if ((bss_select_support & 1) &&
2216 nla_put_flag(msg, i))
2217 goto nla_put_failure;
2219 bss_select_support >>= 1;
2221 nla_nest_end(msg, nested);
2224 state->split_start++;
2227 if (rdev->wiphy.num_iftype_ext_capab &&
2228 rdev->wiphy.iftype_ext_capab) {
2229 struct nlattr *nested_ext_capab, *nested;
2231 nested = nla_nest_start_noflag(msg,
2232 NL80211_ATTR_IFTYPE_EXT_CAPA);
2234 goto nla_put_failure;
2236 for (i = state->capa_start;
2237 i < rdev->wiphy.num_iftype_ext_capab; i++) {
2238 const struct wiphy_iftype_ext_capab *capab;
2240 capab = &rdev->wiphy.iftype_ext_capab[i];
2242 nested_ext_capab = nla_nest_start_noflag(msg,
2244 if (!nested_ext_capab ||
2245 nla_put_u32(msg, NL80211_ATTR_IFTYPE,
2247 nla_put(msg, NL80211_ATTR_EXT_CAPA,
2248 capab->extended_capabilities_len,
2249 capab->extended_capabilities) ||
2250 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
2251 capab->extended_capabilities_len,
2252 capab->extended_capabilities_mask))
2253 goto nla_put_failure;
2255 nla_nest_end(msg, nested_ext_capab);
2259 nla_nest_end(msg, nested);
2260 if (i < rdev->wiphy.num_iftype_ext_capab) {
2261 state->capa_start = i + 1;
2266 if (nla_put_u32(msg, NL80211_ATTR_BANDS,
2267 rdev->wiphy.nan_supported_bands))
2268 goto nla_put_failure;
2270 if (wiphy_ext_feature_isset(&rdev->wiphy,
2271 NL80211_EXT_FEATURE_TXQS)) {
2272 struct cfg80211_txq_stats txqstats = {};
2275 res = rdev_get_txq_stats(rdev, NULL, &txqstats);
2277 !nl80211_put_txq_stats(msg, &txqstats,
2278 NL80211_ATTR_TXQ_STATS))
2279 goto nla_put_failure;
2281 if (nla_put_u32(msg, NL80211_ATTR_TXQ_LIMIT,
2282 rdev->wiphy.txq_limit))
2283 goto nla_put_failure;
2284 if (nla_put_u32(msg, NL80211_ATTR_TXQ_MEMORY_LIMIT,
2285 rdev->wiphy.txq_memory_limit))
2286 goto nla_put_failure;
2287 if (nla_put_u32(msg, NL80211_ATTR_TXQ_QUANTUM,
2288 rdev->wiphy.txq_quantum))
2289 goto nla_put_failure;
2292 state->split_start++;
2295 if (nl80211_send_pmsr_capa(rdev, msg))
2296 goto nla_put_failure;
2298 state->split_start++;
2301 if (rdev->wiphy.akm_suites &&
2302 nla_put(msg, NL80211_ATTR_AKM_SUITES,
2303 sizeof(u32) * rdev->wiphy.n_akm_suites,
2304 rdev->wiphy.akm_suites))
2305 goto nla_put_failure;
2308 state->split_start = 0;
2312 genlmsg_end(msg, hdr);
2316 genlmsg_cancel(msg, hdr);
2320 static int nl80211_dump_wiphy_parse(struct sk_buff *skb,
2321 struct netlink_callback *cb,
2322 struct nl80211_dump_wiphy_state *state)
2324 struct nlattr **tb = genl_family_attrbuf(&nl80211_fam);
2325 int ret = nlmsg_parse_deprecated(cb->nlh,
2326 GENL_HDRLEN + nl80211_fam.hdrsize,
2327 tb, nl80211_fam.maxattr,
2328 nl80211_policy, NULL);
2329 /* ignore parse errors for backward compatibility */
2333 state->split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP];
2334 if (tb[NL80211_ATTR_WIPHY])
2335 state->filter_wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
2336 if (tb[NL80211_ATTR_WDEV])
2337 state->filter_wiphy = nla_get_u64(tb[NL80211_ATTR_WDEV]) >> 32;
2338 if (tb[NL80211_ATTR_IFINDEX]) {
2339 struct net_device *netdev;
2340 struct cfg80211_registered_device *rdev;
2341 int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
2343 netdev = __dev_get_by_index(sock_net(skb->sk), ifidx);
2346 if (netdev->ieee80211_ptr) {
2347 rdev = wiphy_to_rdev(
2348 netdev->ieee80211_ptr->wiphy);
2349 state->filter_wiphy = rdev->wiphy_idx;
2356 static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
2359 struct nl80211_dump_wiphy_state *state = (void *)cb->args[0];
2360 struct cfg80211_registered_device *rdev;
2364 state = kzalloc(sizeof(*state), GFP_KERNEL);
2369 state->filter_wiphy = -1;
2370 ret = nl80211_dump_wiphy_parse(skb, cb, state);
2376 cb->args[0] = (long)state;
2379 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
2380 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
2382 if (++idx <= state->start)
2384 if (state->filter_wiphy != -1 &&
2385 state->filter_wiphy != rdev->wiphy_idx)
2387 /* attempt to fit multiple wiphy data chunks into the skb */
2389 ret = nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY,
2391 NETLINK_CB(cb->skb).portid,
2393 NLM_F_MULTI, state);
2396 * If sending the wiphy data didn't fit (ENOBUFS
2397 * or EMSGSIZE returned), this SKB is still
2398 * empty (so it's not too big because another
2399 * wiphy dataset is already in the skb) and
2400 * we've not tried to adjust the dump allocation
2401 * yet ... then adjust the alloc size to be
2402 * bigger, and return 1 but with the empty skb.
2403 * This results in an empty message being RX'ed
2404 * in userspace, but that is ignored.
2406 * We can then retry with the larger buffer.
2408 if ((ret == -ENOBUFS || ret == -EMSGSIZE) &&
2409 !skb->len && !state->split &&
2410 cb->min_dump_alloc < 4096) {
2411 cb->min_dump_alloc = 4096;
2412 state->split_start = 0;
2419 } while (state->split_start > 0);
2429 static int nl80211_dump_wiphy_done(struct netlink_callback *cb)
2431 kfree((void *)cb->args[0]);
2435 static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info)
2437 struct sk_buff *msg;
2438 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2439 struct nl80211_dump_wiphy_state state = {};
2441 msg = nlmsg_new(4096, GFP_KERNEL);
2445 if (nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY, msg,
2446 info->snd_portid, info->snd_seq, 0,
2452 return genlmsg_reply(msg, info);
2455 static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = {
2456 [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 },
2457 [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 },
2458 [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 },
2459 [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 },
2460 [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 },
2463 static int parse_txq_params(struct nlattr *tb[],
2464 struct ieee80211_txq_params *txq_params)
2468 if (!tb[NL80211_TXQ_ATTR_AC] || !tb[NL80211_TXQ_ATTR_TXOP] ||
2469 !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] ||
2470 !tb[NL80211_TXQ_ATTR_AIFS])
2473 ac = nla_get_u8(tb[NL80211_TXQ_ATTR_AC]);
2474 txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]);
2475 txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]);
2476 txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]);
2477 txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]);
2479 if (ac >= NL80211_NUM_ACS)
2481 txq_params->ac = array_index_nospec(ac, NL80211_NUM_ACS);
2485 static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev)
2488 * You can only set the channel explicitly for WDS interfaces,
2489 * all others have their channel managed via their respective
2490 * "establish a connection" command (connect, join, ...)
2492 * For AP/GO and mesh mode, the channel can be set with the
2493 * channel userspace API, but is only stored and passed to the
2494 * low-level driver when the AP starts or the mesh is joined.
2495 * This is for backward compatibility, userspace can also give
2496 * the channel in the start-ap or join-mesh commands instead.
2498 * Monitors are special as they are normally slaved to
2499 * whatever else is going on, so they have their own special
2500 * operation to set the monitor channel if possible.
2503 wdev->iftype == NL80211_IFTYPE_AP ||
2504 wdev->iftype == NL80211_IFTYPE_MESH_POINT ||
2505 wdev->iftype == NL80211_IFTYPE_MONITOR ||
2506 wdev->iftype == NL80211_IFTYPE_P2P_GO;
2509 int nl80211_parse_chandef(struct cfg80211_registered_device *rdev,
2510 struct genl_info *info,
2511 struct cfg80211_chan_def *chandef)
2513 struct netlink_ext_ack *extack = info->extack;
2514 struct nlattr **attrs = info->attrs;
2517 if (!attrs[NL80211_ATTR_WIPHY_FREQ])
2520 control_freq = nla_get_u32(attrs[NL80211_ATTR_WIPHY_FREQ]);
2522 chandef->chan = ieee80211_get_channel(&rdev->wiphy, control_freq);
2523 chandef->width = NL80211_CHAN_WIDTH_20_NOHT;
2524 chandef->center_freq1 = control_freq;
2525 chandef->center_freq2 = 0;
2527 /* Primary channel not allowed */
2528 if (!chandef->chan || chandef->chan->flags & IEEE80211_CHAN_DISABLED) {
2529 NL_SET_ERR_MSG_ATTR(extack, attrs[NL80211_ATTR_WIPHY_FREQ],
2530 "Channel is disabled");
2534 if (attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
2535 enum nl80211_channel_type chantype;
2537 chantype = nla_get_u32(attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
2540 case NL80211_CHAN_NO_HT:
2541 case NL80211_CHAN_HT20:
2542 case NL80211_CHAN_HT40PLUS:
2543 case NL80211_CHAN_HT40MINUS:
2544 cfg80211_chandef_create(chandef, chandef->chan,
2546 /* user input for center_freq is incorrect */
2547 if (attrs[NL80211_ATTR_CENTER_FREQ1] &&
2548 chandef->center_freq1 != nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ1])) {
2549 NL_SET_ERR_MSG_ATTR(extack,
2550 attrs[NL80211_ATTR_CENTER_FREQ1],
2551 "bad center frequency 1");
2554 /* center_freq2 must be zero */
2555 if (attrs[NL80211_ATTR_CENTER_FREQ2] &&
2556 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ2])) {
2557 NL_SET_ERR_MSG_ATTR(extack,
2558 attrs[NL80211_ATTR_CENTER_FREQ2],
2559 "center frequency 2 can't be used");
2564 NL_SET_ERR_MSG_ATTR(extack,
2565 attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE],
2566 "invalid channel type");
2569 } else if (attrs[NL80211_ATTR_CHANNEL_WIDTH]) {
2571 nla_get_u32(attrs[NL80211_ATTR_CHANNEL_WIDTH]);
2572 if (attrs[NL80211_ATTR_CENTER_FREQ1])
2573 chandef->center_freq1 =
2574 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ1]);
2575 if (attrs[NL80211_ATTR_CENTER_FREQ2])
2576 chandef->center_freq2 =
2577 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ2]);
2580 if (!cfg80211_chandef_valid(chandef)) {
2581 NL_SET_ERR_MSG(extack, "invalid channel definition");
2585 if (!cfg80211_chandef_usable(&rdev->wiphy, chandef,
2586 IEEE80211_CHAN_DISABLED)) {
2587 NL_SET_ERR_MSG(extack, "(extension) channel is disabled");
2591 if ((chandef->width == NL80211_CHAN_WIDTH_5 ||
2592 chandef->width == NL80211_CHAN_WIDTH_10) &&
2593 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ)) {
2594 NL_SET_ERR_MSG(extack, "5/10 MHz not supported");
2601 static int __nl80211_set_channel(struct cfg80211_registered_device *rdev,
2602 struct net_device *dev,
2603 struct genl_info *info)
2605 struct cfg80211_chan_def chandef;
2607 enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR;
2608 struct wireless_dev *wdev = NULL;
2611 wdev = dev->ieee80211_ptr;
2612 if (!nl80211_can_set_dev_channel(wdev))
2615 iftype = wdev->iftype;
2617 result = nl80211_parse_chandef(rdev, info, &chandef);
2622 case NL80211_IFTYPE_AP:
2623 case NL80211_IFTYPE_P2P_GO:
2624 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
2629 if (wdev->beacon_interval) {
2630 if (!dev || !rdev->ops->set_ap_chanwidth ||
2631 !(rdev->wiphy.features &
2632 NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE)) {
2637 /* Only allow dynamic channel width changes */
2638 if (chandef.chan != wdev->preset_chandef.chan) {
2642 result = rdev_set_ap_chanwidth(rdev, dev, &chandef);
2646 wdev->preset_chandef = chandef;
2649 case NL80211_IFTYPE_MESH_POINT:
2650 result = cfg80211_set_mesh_channel(rdev, wdev, &chandef);
2652 case NL80211_IFTYPE_MONITOR:
2653 result = cfg80211_set_monitor_channel(rdev, &chandef);
2662 static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info)
2664 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2665 struct net_device *netdev = info->user_ptr[1];
2667 return __nl80211_set_channel(rdev, netdev, info);
2670 static int nl80211_set_wds_peer(struct sk_buff *skb, struct genl_info *info)
2672 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2673 struct net_device *dev = info->user_ptr[1];
2674 struct wireless_dev *wdev = dev->ieee80211_ptr;
2677 if (!info->attrs[NL80211_ATTR_MAC])
2680 if (netif_running(dev))
2683 if (!rdev->ops->set_wds_peer)
2686 if (wdev->iftype != NL80211_IFTYPE_WDS)
2689 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
2690 return rdev_set_wds_peer(rdev, dev, bssid);
2693 static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
2695 struct cfg80211_registered_device *rdev;
2696 struct net_device *netdev = NULL;
2697 struct wireless_dev *wdev;
2698 int result = 0, rem_txq_params = 0;
2699 struct nlattr *nl_txq_params;
2701 u8 retry_short = 0, retry_long = 0;
2702 u32 frag_threshold = 0, rts_threshold = 0;
2703 u8 coverage_class = 0;
2704 u32 txq_limit = 0, txq_memory_limit = 0, txq_quantum = 0;
2709 * Try to find the wiphy and netdev. Normally this
2710 * function shouldn't need the netdev, but this is
2711 * done for backward compatibility -- previously
2712 * setting the channel was done per wiphy, but now
2713 * it is per netdev. Previous userland like hostapd
2714 * also passed a netdev to set_wiphy, so that it is
2715 * possible to let that go to the right netdev!
2718 if (info->attrs[NL80211_ATTR_IFINDEX]) {
2719 int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]);
2721 netdev = __dev_get_by_index(genl_info_net(info), ifindex);
2722 if (netdev && netdev->ieee80211_ptr)
2723 rdev = wiphy_to_rdev(netdev->ieee80211_ptr->wiphy);
2729 rdev = __cfg80211_rdev_from_attrs(genl_info_net(info),
2732 return PTR_ERR(rdev);
2737 wdev = netdev->ieee80211_ptr;
2740 * end workaround code, by now the rdev is available
2741 * and locked, and wdev may or may not be NULL.
2744 if (info->attrs[NL80211_ATTR_WIPHY_NAME])
2745 result = cfg80211_dev_rename(
2746 rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME]));
2751 if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) {
2752 struct ieee80211_txq_params txq_params;
2753 struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1];
2755 if (!rdev->ops->set_txq_params)
2761 if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
2762 netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
2765 if (!netif_running(netdev))
2768 nla_for_each_nested(nl_txq_params,
2769 info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS],
2771 result = nla_parse_nested_deprecated(tb,
2772 NL80211_TXQ_ATTR_MAX,
2778 result = parse_txq_params(tb, &txq_params);
2782 result = rdev_set_txq_params(rdev, netdev,
2789 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
2790 result = __nl80211_set_channel(
2792 nl80211_can_set_dev_channel(wdev) ? netdev : NULL,
2798 if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) {
2799 struct wireless_dev *txp_wdev = wdev;
2800 enum nl80211_tx_power_setting type;
2803 if (!(rdev->wiphy.features & NL80211_FEATURE_VIF_TXPOWER))
2806 if (!rdev->ops->set_tx_power)
2809 idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING;
2810 type = nla_get_u32(info->attrs[idx]);
2812 if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] &&
2813 (type != NL80211_TX_POWER_AUTOMATIC))
2816 if (type != NL80211_TX_POWER_AUTOMATIC) {
2817 idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL;
2818 mbm = nla_get_u32(info->attrs[idx]);
2821 result = rdev_set_tx_power(rdev, txp_wdev, type, mbm);
2826 if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] &&
2827 info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) {
2830 if ((!rdev->wiphy.available_antennas_tx &&
2831 !rdev->wiphy.available_antennas_rx) ||
2832 !rdev->ops->set_antenna)
2835 tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]);
2836 rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]);
2838 /* reject antenna configurations which don't match the
2839 * available antenna masks, except for the "all" mask */
2840 if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) ||
2841 (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx)))
2844 tx_ant = tx_ant & rdev->wiphy.available_antennas_tx;
2845 rx_ant = rx_ant & rdev->wiphy.available_antennas_rx;
2847 result = rdev_set_antenna(rdev, tx_ant, rx_ant);
2854 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) {
2855 retry_short = nla_get_u8(
2856 info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]);
2858 changed |= WIPHY_PARAM_RETRY_SHORT;
2861 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) {
2862 retry_long = nla_get_u8(
2863 info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]);
2865 changed |= WIPHY_PARAM_RETRY_LONG;
2868 if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) {
2869 frag_threshold = nla_get_u32(
2870 info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]);
2871 if (frag_threshold < 256)
2874 if (frag_threshold != (u32) -1) {
2876 * Fragments (apart from the last one) are required to
2877 * have even length. Make the fragmentation code
2878 * simpler by stripping LSB should someone try to use
2879 * odd threshold value.
2881 frag_threshold &= ~0x1;
2883 changed |= WIPHY_PARAM_FRAG_THRESHOLD;
2886 if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) {
2887 rts_threshold = nla_get_u32(
2888 info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]);
2889 changed |= WIPHY_PARAM_RTS_THRESHOLD;
2892 if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) {
2893 if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK])
2896 coverage_class = nla_get_u8(
2897 info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]);
2898 changed |= WIPHY_PARAM_COVERAGE_CLASS;
2901 if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) {
2902 if (!(rdev->wiphy.features & NL80211_FEATURE_ACKTO_ESTIMATION))
2905 changed |= WIPHY_PARAM_DYN_ACK;
2908 if (info->attrs[NL80211_ATTR_TXQ_LIMIT]) {
2909 if (!wiphy_ext_feature_isset(&rdev->wiphy,
2910 NL80211_EXT_FEATURE_TXQS))
2912 txq_limit = nla_get_u32(
2913 info->attrs[NL80211_ATTR_TXQ_LIMIT]);
2914 changed |= WIPHY_PARAM_TXQ_LIMIT;
2917 if (info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]) {
2918 if (!wiphy_ext_feature_isset(&rdev->wiphy,
2919 NL80211_EXT_FEATURE_TXQS))
2921 txq_memory_limit = nla_get_u32(
2922 info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]);
2923 changed |= WIPHY_PARAM_TXQ_MEMORY_LIMIT;
2926 if (info->attrs[NL80211_ATTR_TXQ_QUANTUM]) {
2927 if (!wiphy_ext_feature_isset(&rdev->wiphy,
2928 NL80211_EXT_FEATURE_TXQS))
2930 txq_quantum = nla_get_u32(
2931 info->attrs[NL80211_ATTR_TXQ_QUANTUM]);
2932 changed |= WIPHY_PARAM_TXQ_QUANTUM;
2936 u8 old_retry_short, old_retry_long;
2937 u32 old_frag_threshold, old_rts_threshold;
2938 u8 old_coverage_class;
2939 u32 old_txq_limit, old_txq_memory_limit, old_txq_quantum;
2941 if (!rdev->ops->set_wiphy_params)
2944 old_retry_short = rdev->wiphy.retry_short;
2945 old_retry_long = rdev->wiphy.retry_long;
2946 old_frag_threshold = rdev->wiphy.frag_threshold;
2947 old_rts_threshold = rdev->wiphy.rts_threshold;
2948 old_coverage_class = rdev->wiphy.coverage_class;
2949 old_txq_limit = rdev->wiphy.txq_limit;
2950 old_txq_memory_limit = rdev->wiphy.txq_memory_limit;
2951 old_txq_quantum = rdev->wiphy.txq_quantum;
2953 if (changed & WIPHY_PARAM_RETRY_SHORT)
2954 rdev->wiphy.retry_short = retry_short;
2955 if (changed & WIPHY_PARAM_RETRY_LONG)
2956 rdev->wiphy.retry_long = retry_long;
2957 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
2958 rdev->wiphy.frag_threshold = frag_threshold;
2959 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
2960 rdev->wiphy.rts_threshold = rts_threshold;
2961 if (changed & WIPHY_PARAM_COVERAGE_CLASS)
2962 rdev->wiphy.coverage_class = coverage_class;
2963 if (changed & WIPHY_PARAM_TXQ_LIMIT)
2964 rdev->wiphy.txq_limit = txq_limit;
2965 if (changed & WIPHY_PARAM_TXQ_MEMORY_LIMIT)
2966 rdev->wiphy.txq_memory_limit = txq_memory_limit;
2967 if (changed & WIPHY_PARAM_TXQ_QUANTUM)
2968 rdev->wiphy.txq_quantum = txq_quantum;
2970 result = rdev_set_wiphy_params(rdev, changed);
2972 rdev->wiphy.retry_short = old_retry_short;
2973 rdev->wiphy.retry_long = old_retry_long;
2974 rdev->wiphy.frag_threshold = old_frag_threshold;
2975 rdev->wiphy.rts_threshold = old_rts_threshold;
2976 rdev->wiphy.coverage_class = old_coverage_class;
2977 rdev->wiphy.txq_limit = old_txq_limit;
2978 rdev->wiphy.txq_memory_limit = old_txq_memory_limit;
2979 rdev->wiphy.txq_quantum = old_txq_quantum;
2986 static int nl80211_send_chandef(struct sk_buff *msg,
2987 const struct cfg80211_chan_def *chandef)
2989 if (WARN_ON(!cfg80211_chandef_valid(chandef)))
2992 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
2993 chandef->chan->center_freq))
2995 switch (chandef->width) {
2996 case NL80211_CHAN_WIDTH_20_NOHT:
2997 case NL80211_CHAN_WIDTH_20:
2998 case NL80211_CHAN_WIDTH_40:
2999 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
3000 cfg80211_get_chandef_type(chandef)))
3006 if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, chandef->width))
3008 if (nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, chandef->center_freq1))
3010 if (chandef->center_freq2 &&
3011 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, chandef->center_freq2))
3016 static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags,
3017 struct cfg80211_registered_device *rdev,
3018 struct wireless_dev *wdev,
3019 enum nl80211_commands cmd)
3021 struct net_device *dev = wdev->netdev;
3024 WARN_ON(cmd != NL80211_CMD_NEW_INTERFACE &&
3025 cmd != NL80211_CMD_DEL_INTERFACE &&
3026 cmd != NL80211_CMD_SET_INTERFACE);
3028 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
3033 (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
3034 nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name)))
3035 goto nla_put_failure;
3037 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
3038 nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) ||
3039 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
3040 NL80211_ATTR_PAD) ||
3041 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) ||
3042 nla_put_u32(msg, NL80211_ATTR_GENERATION,
3043 rdev->devlist_generation ^
3044 (cfg80211_rdev_list_generation << 2)) ||
3045 nla_put_u8(msg, NL80211_ATTR_4ADDR, wdev->use_4addr))
3046 goto nla_put_failure;
3048 if (rdev->ops->get_channel) {
3050 struct cfg80211_chan_def chandef;
3052 ret = rdev_get_channel(rdev, wdev, &chandef);
3054 if (nl80211_send_chandef(msg, &chandef))
3055 goto nla_put_failure;
3059 if (rdev->ops->get_tx_power) {
3062 ret = rdev_get_tx_power(rdev, wdev, &dbm);
3064 nla_put_u32(msg, NL80211_ATTR_WIPHY_TX_POWER_LEVEL,
3066 goto nla_put_failure;
3070 switch (wdev->iftype) {
3071 case NL80211_IFTYPE_AP:
3072 if (wdev->ssid_len &&
3073 nla_put(msg, NL80211_ATTR_SSID, wdev->ssid_len, wdev->ssid))
3074 goto nla_put_failure_locked;
3076 case NL80211_IFTYPE_STATION:
3077 case NL80211_IFTYPE_P2P_CLIENT:
3078 case NL80211_IFTYPE_ADHOC: {
3080 if (!wdev->current_bss)
3083 ssid_ie = ieee80211_bss_get_ie(&wdev->current_bss->pub,
3086 nla_put(msg, NL80211_ATTR_SSID, ssid_ie[1], ssid_ie + 2))
3087 goto nla_put_failure_rcu_locked;
3097 if (rdev->ops->get_txq_stats) {
3098 struct cfg80211_txq_stats txqstats = {};
3099 int ret = rdev_get_txq_stats(rdev, wdev, &txqstats);
3102 !nl80211_put_txq_stats(msg, &txqstats,
3103 NL80211_ATTR_TXQ_STATS))
3104 goto nla_put_failure;
3107 genlmsg_end(msg, hdr);
3110 nla_put_failure_rcu_locked:
3112 nla_put_failure_locked:
3115 genlmsg_cancel(msg, hdr);
3119 static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb)
3123 int wp_start = cb->args[0];
3124 int if_start = cb->args[1];
3125 int filter_wiphy = -1;
3126 struct cfg80211_registered_device *rdev;
3127 struct wireless_dev *wdev;
3132 struct nl80211_dump_wiphy_state state = {
3136 ret = nl80211_dump_wiphy_parse(skb, cb, &state);
3140 filter_wiphy = state.filter_wiphy;
3143 * if filtering, set cb->args[2] to +1 since 0 is the default
3144 * value needed to determine that parsing is necessary.
3146 if (filter_wiphy >= 0)
3147 cb->args[2] = filter_wiphy + 1;
3150 } else if (cb->args[2] > 0) {
3151 filter_wiphy = cb->args[2] - 1;
3154 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
3155 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
3157 if (wp_idx < wp_start) {
3162 if (filter_wiphy >= 0 && filter_wiphy != rdev->wiphy_idx)
3167 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
3168 if (if_idx < if_start) {
3172 if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid,
3173 cb->nlh->nlmsg_seq, NLM_F_MULTI,
3175 NL80211_CMD_NEW_INTERFACE) < 0) {
3184 cb->args[0] = wp_idx;
3185 cb->args[1] = if_idx;
3194 static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info)
3196 struct sk_buff *msg;
3197 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3198 struct wireless_dev *wdev = info->user_ptr[1];
3200 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
3204 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
3205 rdev, wdev, NL80211_CMD_NEW_INTERFACE) < 0) {
3210 return genlmsg_reply(msg, info);
3213 static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = {
3214 [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG },
3215 [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG },
3216 [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG },
3217 [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG },
3218 [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG },
3219 [NL80211_MNTR_FLAG_ACTIVE] = { .type = NLA_FLAG },
3222 static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags)
3224 struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1];
3232 if (nla_parse_nested_deprecated(flags, NL80211_MNTR_FLAG_MAX, nla, mntr_flags_policy, NULL))
3235 for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++)
3237 *mntrflags |= (1<<flag);
3239 *mntrflags |= MONITOR_FLAG_CHANGED;
3244 static int nl80211_parse_mon_options(struct cfg80211_registered_device *rdev,
3245 enum nl80211_iftype type,
3246 struct genl_info *info,
3247 struct vif_params *params)
3249 bool change = false;
3252 if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) {
3253 if (type != NL80211_IFTYPE_MONITOR)
3256 err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS],
3264 if (params->flags & MONITOR_FLAG_ACTIVE &&
3265 !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR))
3268 if (info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]) {
3269 const u8 *mumimo_groups;
3270 u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER;
3272 if (type != NL80211_IFTYPE_MONITOR)
3275 if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag))
3279 nla_data(info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]);
3281 /* bits 0 and 63 are reserved and must be zero */
3282 if ((mumimo_groups[0] & BIT(0)) ||
3283 (mumimo_groups[VHT_MUMIMO_GROUPS_DATA_LEN - 1] & BIT(7)))
3286 params->vht_mumimo_groups = mumimo_groups;
3290 if (info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]) {
3291 u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER;
3293 if (type != NL80211_IFTYPE_MONITOR)
3296 if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag))
3299 params->vht_mumimo_follow_addr =
3300 nla_data(info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]);
3304 return change ? 1 : 0;
3307 static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev,
3308 struct net_device *netdev, u8 use_4addr,
3309 enum nl80211_iftype iftype)
3312 if (netdev && (netdev->priv_flags & IFF_BRIDGE_PORT))
3318 case NL80211_IFTYPE_AP_VLAN:
3319 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP)
3322 case NL80211_IFTYPE_STATION:
3323 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION)
3333 static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
3335 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3336 struct vif_params params;
3338 enum nl80211_iftype otype, ntype;
3339 struct net_device *dev = info->user_ptr[1];
3340 bool change = false;
3342 memset(¶ms, 0, sizeof(params));
3344 otype = ntype = dev->ieee80211_ptr->iftype;
3346 if (info->attrs[NL80211_ATTR_IFTYPE]) {
3347 ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
3352 if (info->attrs[NL80211_ATTR_MESH_ID]) {
3353 struct wireless_dev *wdev = dev->ieee80211_ptr;
3355 if (ntype != NL80211_IFTYPE_MESH_POINT)
3357 if (netif_running(dev))
3361 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
3362 IEEE80211_MAX_MESH_ID_LEN);
3363 wdev->mesh_id_up_len =
3364 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
3365 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
3366 wdev->mesh_id_up_len);
3370 if (info->attrs[NL80211_ATTR_4ADDR]) {
3371 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
3373 err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype);
3377 params.use_4addr = -1;
3380 err = nl80211_parse_mon_options(rdev, ntype, info, ¶ms);
3387 err = cfg80211_change_iface(rdev, dev, ntype, ¶ms);
3391 if (!err && params.use_4addr != -1)
3392 dev->ieee80211_ptr->use_4addr = params.use_4addr;
3394 if (change && !err) {
3395 struct wireless_dev *wdev = dev->ieee80211_ptr;
3397 nl80211_notify_iface(rdev, wdev, NL80211_CMD_SET_INTERFACE);
3403 static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
3405 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3406 struct vif_params params;
3407 struct wireless_dev *wdev;
3408 struct sk_buff *msg;
3410 enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED;
3412 /* to avoid failing a new interface creation due to pending removal */
3413 cfg80211_destroy_ifaces(rdev);
3415 memset(¶ms, 0, sizeof(params));
3417 if (!info->attrs[NL80211_ATTR_IFNAME])
3420 if (info->attrs[NL80211_ATTR_IFTYPE])
3421 type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
3423 if (!rdev->ops->add_virtual_intf ||
3424 !(rdev->wiphy.interface_modes & (1 << type)))
3427 if ((type == NL80211_IFTYPE_P2P_DEVICE || type == NL80211_IFTYPE_NAN ||
3428 rdev->wiphy.features & NL80211_FEATURE_MAC_ON_CREATE) &&
3429 info->attrs[NL80211_ATTR_MAC]) {
3430 nla_memcpy(params.macaddr, info->attrs[NL80211_ATTR_MAC],
3432 if (!is_valid_ether_addr(params.macaddr))
3433 return -EADDRNOTAVAIL;
3436 if (info->attrs[NL80211_ATTR_4ADDR]) {
3437 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
3438 err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type);
3443 err = nl80211_parse_mon_options(rdev, type, info, ¶ms);
3447 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
3451 wdev = rdev_add_virtual_intf(rdev,
3452 nla_data(info->attrs[NL80211_ATTR_IFNAME]),
3453 NET_NAME_USER, type, ¶ms);
3454 if (WARN_ON(!wdev)) {
3457 } else if (IS_ERR(wdev)) {
3459 return PTR_ERR(wdev);
3462 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
3463 wdev->owner_nlportid = info->snd_portid;
3466 case NL80211_IFTYPE_MESH_POINT:
3467 if (!info->attrs[NL80211_ATTR_MESH_ID])
3470 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
3471 IEEE80211_MAX_MESH_ID_LEN);
3472 wdev->mesh_id_up_len =
3473 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
3474 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
3475 wdev->mesh_id_up_len);
3478 case NL80211_IFTYPE_NAN:
3479 case NL80211_IFTYPE_P2P_DEVICE:
3481 * P2P Device and NAN do not have a netdev, so don't go
3482 * through the netdev notifier and must be added here
3484 cfg80211_init_wdev(rdev, wdev);
3490 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
3491 rdev, wdev, NL80211_CMD_NEW_INTERFACE) < 0) {
3496 return genlmsg_reply(msg, info);
3499 static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info)
3501 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3502 struct wireless_dev *wdev = info->user_ptr[1];
3504 if (!rdev->ops->del_virtual_intf)
3508 * If we remove a wireless device without a netdev then clear
3509 * user_ptr[1] so that nl80211_post_doit won't dereference it
3510 * to check if it needs to do dev_put(). Otherwise it crashes
3511 * since the wdev has been freed, unlike with a netdev where
3512 * we need the dev_put() for the netdev to really be freed.
3515 info->user_ptr[1] = NULL;
3517 return rdev_del_virtual_intf(rdev, wdev);
3520 static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info)
3522 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3523 struct net_device *dev = info->user_ptr[1];
3526 if (!info->attrs[NL80211_ATTR_NOACK_MAP])
3529 if (!rdev->ops->set_noack_map)
3532 noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]);
3534 return rdev_set_noack_map(rdev, dev, noack_map);
3537 struct get_key_cookie {
3538 struct sk_buff *msg;
3543 static void get_key_callback(void *c, struct key_params *params)
3546 struct get_key_cookie *cookie = c;
3549 nla_put(cookie->msg, NL80211_ATTR_KEY_DATA,
3550 params->key_len, params->key)) ||
3552 nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ,
3553 params->seq_len, params->seq)) ||
3555 nla_put_u32(cookie->msg, NL80211_ATTR_KEY_CIPHER,
3557 goto nla_put_failure;
3559 key = nla_nest_start_noflag(cookie->msg, NL80211_ATTR_KEY);
3561 goto nla_put_failure;
3564 nla_put(cookie->msg, NL80211_KEY_DATA,
3565 params->key_len, params->key)) ||
3567 nla_put(cookie->msg, NL80211_KEY_SEQ,
3568 params->seq_len, params->seq)) ||
3570 nla_put_u32(cookie->msg, NL80211_KEY_CIPHER,
3572 goto nla_put_failure;
3574 if (nla_put_u8(cookie->msg, NL80211_KEY_IDX, cookie->idx))
3575 goto nla_put_failure;
3577 nla_nest_end(cookie->msg, key);
3584 static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info)
3586 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3588 struct net_device *dev = info->user_ptr[1];
3590 const u8 *mac_addr = NULL;
3592 struct get_key_cookie cookie = {
3596 struct sk_buff *msg;
3598 if (info->attrs[NL80211_ATTR_KEY_IDX])
3599 key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
3601 if (info->attrs[NL80211_ATTR_MAC])
3602 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3604 pairwise = !!mac_addr;
3605 if (info->attrs[NL80211_ATTR_KEY_TYPE]) {
3606 u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
3608 if (kt != NL80211_KEYTYPE_GROUP &&
3609 kt != NL80211_KEYTYPE_PAIRWISE)
3611 pairwise = kt == NL80211_KEYTYPE_PAIRWISE;
3614 if (!rdev->ops->get_key)
3617 if (!pairwise && mac_addr && !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
3620 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
3624 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
3625 NL80211_CMD_NEW_KEY);
3627 goto nla_put_failure;
3630 cookie.idx = key_idx;
3632 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
3633 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx))
3634 goto nla_put_failure;
3636 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr))
3637 goto nla_put_failure;
3639 err = rdev_get_key(rdev, dev, key_idx, pairwise, mac_addr, &cookie,
3646 goto nla_put_failure;
3648 genlmsg_end(msg, hdr);
3649 return genlmsg_reply(msg, info);
3658 static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info)
3660 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3661 struct key_parse key;
3663 struct net_device *dev = info->user_ptr[1];
3665 err = nl80211_parse_key(info, &key);
3672 /* Only support setting default key and
3673 * Extended Key ID action NL80211_KEY_SET_TX.
3675 if (!key.def && !key.defmgmt &&
3676 !(key.p.mode == NL80211_KEY_SET_TX))
3679 wdev_lock(dev->ieee80211_ptr);
3682 if (!rdev->ops->set_default_key) {
3687 err = nl80211_key_allowed(dev->ieee80211_ptr);
3691 err = rdev_set_default_key(rdev, dev, key.idx,
3692 key.def_uni, key.def_multi);
3697 #ifdef CONFIG_CFG80211_WEXT
3698 dev->ieee80211_ptr->wext.default_key = key.idx;
3700 } else if (key.defmgmt) {
3701 if (key.def_uni || !key.def_multi) {
3706 if (!rdev->ops->set_default_mgmt_key) {
3711 err = nl80211_key_allowed(dev->ieee80211_ptr);
3715 err = rdev_set_default_mgmt_key(rdev, dev, key.idx);
3719 #ifdef CONFIG_CFG80211_WEXT
3720 dev->ieee80211_ptr->wext.default_mgmt_key = key.idx;
3722 } else if (key.p.mode == NL80211_KEY_SET_TX &&
3723 wiphy_ext_feature_isset(&rdev->wiphy,
3724 NL80211_EXT_FEATURE_EXT_KEY_ID)) {
3725 u8 *mac_addr = NULL;
3727 if (info->attrs[NL80211_ATTR_MAC])
3728 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3730 if (!mac_addr || key.idx < 0 || key.idx > 1) {
3735 err = rdev_add_key(rdev, dev, key.idx,
3736 NL80211_KEYTYPE_PAIRWISE,
3742 wdev_unlock(dev->ieee80211_ptr);
3747 static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info)
3749 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3751 struct net_device *dev = info->user_ptr[1];
3752 struct key_parse key;
3753 const u8 *mac_addr = NULL;
3755 err = nl80211_parse_key(info, &key);
3762 if (info->attrs[NL80211_ATTR_MAC])
3763 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3765 if (key.type == -1) {
3767 key.type = NL80211_KEYTYPE_PAIRWISE;
3769 key.type = NL80211_KEYTYPE_GROUP;
3773 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
3774 key.type != NL80211_KEYTYPE_GROUP)
3777 if (!rdev->ops->add_key)
3780 if (cfg80211_validate_key_settings(rdev, &key.p, key.idx,
3781 key.type == NL80211_KEYTYPE_PAIRWISE,
3785 wdev_lock(dev->ieee80211_ptr);
3786 err = nl80211_key_allowed(dev->ieee80211_ptr);
3788 err = rdev_add_key(rdev, dev, key.idx,
3789 key.type == NL80211_KEYTYPE_PAIRWISE,
3791 wdev_unlock(dev->ieee80211_ptr);
3796 static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
3798 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3800 struct net_device *dev = info->user_ptr[1];
3801 u8 *mac_addr = NULL;
3802 struct key_parse key;
3804 err = nl80211_parse_key(info, &key);
3808 if (info->attrs[NL80211_ATTR_MAC])
3809 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3811 if (key.type == -1) {
3813 key.type = NL80211_KEYTYPE_PAIRWISE;
3815 key.type = NL80211_KEYTYPE_GROUP;
3819 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
3820 key.type != NL80211_KEYTYPE_GROUP)
3823 if (!rdev->ops->del_key)
3826 wdev_lock(dev->ieee80211_ptr);
3827 err = nl80211_key_allowed(dev->ieee80211_ptr);
3829 if (key.type == NL80211_KEYTYPE_GROUP && mac_addr &&
3830 !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
3834 err = rdev_del_key(rdev, dev, key.idx,
3835 key.type == NL80211_KEYTYPE_PAIRWISE,
3838 #ifdef CONFIG_CFG80211_WEXT
3840 if (key.idx == dev->ieee80211_ptr->wext.default_key)
3841 dev->ieee80211_ptr->wext.default_key = -1;
3842 else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key)
3843 dev->ieee80211_ptr->wext.default_mgmt_key = -1;
3846 wdev_unlock(dev->ieee80211_ptr);
3851 /* This function returns an error or the number of nested attributes */
3852 static int validate_acl_mac_addrs(struct nlattr *nl_attr)
3854 struct nlattr *attr;
3855 int n_entries = 0, tmp;
3857 nla_for_each_nested(attr, nl_attr, tmp) {
3858 if (nla_len(attr) != ETH_ALEN)
3868 * This function parses ACL information and allocates memory for ACL data.
3869 * On successful return, the calling function is responsible to free the
3870 * ACL buffer returned by this function.
3872 static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy,
3873 struct genl_info *info)
3875 enum nl80211_acl_policy acl_policy;
3876 struct nlattr *attr;
3877 struct cfg80211_acl_data *acl;
3878 int i = 0, n_entries, tmp;
3880 if (!wiphy->max_acl_mac_addrs)
3881 return ERR_PTR(-EOPNOTSUPP);
3883 if (!info->attrs[NL80211_ATTR_ACL_POLICY])
3884 return ERR_PTR(-EINVAL);
3886 acl_policy = nla_get_u32(info->attrs[NL80211_ATTR_ACL_POLICY]);
3887 if (acl_policy != NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED &&
3888 acl_policy != NL80211_ACL_POLICY_DENY_UNLESS_LISTED)
3889 return ERR_PTR(-EINVAL);
3891 if (!info->attrs[NL80211_ATTR_MAC_ADDRS])
3892 return ERR_PTR(-EINVAL);
3894 n_entries = validate_acl_mac_addrs(info->attrs[NL80211_ATTR_MAC_ADDRS]);
3896 return ERR_PTR(n_entries);
3898 if (n_entries > wiphy->max_acl_mac_addrs)
3899 return ERR_PTR(-ENOTSUPP);
3901 acl = kzalloc(struct_size(acl, mac_addrs, n_entries), GFP_KERNEL);
3903 return ERR_PTR(-ENOMEM);
3905 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_MAC_ADDRS], tmp) {
3906 memcpy(acl->mac_addrs[i].addr, nla_data(attr), ETH_ALEN);
3910 acl->n_acl_entries = n_entries;
3911 acl->acl_policy = acl_policy;
3916 static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info)
3918 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3919 struct net_device *dev = info->user_ptr[1];
3920 struct cfg80211_acl_data *acl;
3923 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
3924 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
3927 if (!dev->ieee80211_ptr->beacon_interval)
3930 acl = parse_acl_data(&rdev->wiphy, info);
3932 return PTR_ERR(acl);
3934 err = rdev_set_mac_acl(rdev, dev, acl);
3941 static u32 rateset_to_mask(struct ieee80211_supported_band *sband,
3942 u8 *rates, u8 rates_len)
3947 for (i = 0; i < rates_len; i++) {
3948 int rate = (rates[i] & 0x7f) * 5;
3951 for (ridx = 0; ridx < sband->n_bitrates; ridx++) {
3952 struct ieee80211_rate *srate =
3953 &sband->bitrates[ridx];
3954 if (rate == srate->bitrate) {
3959 if (ridx == sband->n_bitrates)
3960 return 0; /* rate not found */
3966 static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband,
3967 u8 *rates, u8 rates_len,
3968 u8 mcs[IEEE80211_HT_MCS_MASK_LEN])
3972 memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN);
3974 for (i = 0; i < rates_len; i++) {
3977 ridx = rates[i] / 8;
3978 rbit = BIT(rates[i] % 8);
3980 /* check validity */
3981 if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN))
3984 /* check availability */
3985 ridx = array_index_nospec(ridx, IEEE80211_HT_MCS_MASK_LEN);
3986 if (sband->ht_cap.mcs.rx_mask[ridx] & rbit)
3995 static u16 vht_mcs_map_to_mcs_mask(u8 vht_mcs_map)
3999 switch (vht_mcs_map) {
4000 case IEEE80211_VHT_MCS_NOT_SUPPORTED:
4002 case IEEE80211_VHT_MCS_SUPPORT_0_7:
4005 case IEEE80211_VHT_MCS_SUPPORT_0_8:
4008 case IEEE80211_VHT_MCS_SUPPORT_0_9:
4018 static void vht_build_mcs_mask(u16 vht_mcs_map,
4019 u16 vht_mcs_mask[NL80211_VHT_NSS_MAX])
4023 for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) {
4024 vht_mcs_mask[nss] = vht_mcs_map_to_mcs_mask(vht_mcs_map & 0x03);
4029 static bool vht_set_mcs_mask(struct ieee80211_supported_band *sband,
4030 struct nl80211_txrate_vht *txrate,
4031 u16 mcs[NL80211_VHT_NSS_MAX])
4033 u16 tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
4034 u16 tx_mcs_mask[NL80211_VHT_NSS_MAX] = {};
4037 if (!sband->vht_cap.vht_supported)
4040 memset(mcs, 0, sizeof(u16) * NL80211_VHT_NSS_MAX);
4042 /* Build vht_mcs_mask from VHT capabilities */
4043 vht_build_mcs_mask(tx_mcs_map, tx_mcs_mask);
4045 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
4046 if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i])
4047 mcs[i] = txrate->mcs[i];
4055 static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = {
4056 [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY,
4057 .len = NL80211_MAX_SUPP_RATES },
4058 [NL80211_TXRATE_HT] = { .type = NLA_BINARY,
4059 .len = NL80211_MAX_SUPP_HT_RATES },
4060 [NL80211_TXRATE_VHT] = { .len = sizeof(struct nl80211_txrate_vht)},
4061 [NL80211_TXRATE_GI] = { .type = NLA_U8 },
4064 static int nl80211_parse_tx_bitrate_mask(struct genl_info *info,
4065 struct cfg80211_bitrate_mask *mask)
4067 struct nlattr *tb[NL80211_TXRATE_MAX + 1];
4068 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4070 struct nlattr *tx_rates;
4071 struct ieee80211_supported_band *sband;
4074 memset(mask, 0, sizeof(*mask));
4075 /* Default to all rates enabled */
4076 for (i = 0; i < NUM_NL80211_BANDS; i++) {
4077 sband = rdev->wiphy.bands[i];
4082 mask->control[i].legacy = (1 << sband->n_bitrates) - 1;
4083 memcpy(mask->control[i].ht_mcs,
4084 sband->ht_cap.mcs.rx_mask,
4085 sizeof(mask->control[i].ht_mcs));
4087 if (!sband->vht_cap.vht_supported)
4090 vht_tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
4091 vht_build_mcs_mask(vht_tx_mcs_map, mask->control[i].vht_mcs);
4094 /* if no rates are given set it back to the defaults */
4095 if (!info->attrs[NL80211_ATTR_TX_RATES])
4098 /* The nested attribute uses enum nl80211_band as the index. This maps
4099 * directly to the enum nl80211_band values used in cfg80211.
4101 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8);
4102 nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem) {
4103 enum nl80211_band band = nla_type(tx_rates);
4106 if (band < 0 || band >= NUM_NL80211_BANDS)
4108 sband = rdev->wiphy.bands[band];
4111 err = nla_parse_nested_deprecated(tb, NL80211_TXRATE_MAX,
4113 nl80211_txattr_policy,
4117 if (tb[NL80211_TXRATE_LEGACY]) {
4118 mask->control[band].legacy = rateset_to_mask(
4120 nla_data(tb[NL80211_TXRATE_LEGACY]),
4121 nla_len(tb[NL80211_TXRATE_LEGACY]));
4122 if ((mask->control[band].legacy == 0) &&
4123 nla_len(tb[NL80211_TXRATE_LEGACY]))
4126 if (tb[NL80211_TXRATE_HT]) {
4127 if (!ht_rateset_to_mask(
4129 nla_data(tb[NL80211_TXRATE_HT]),
4130 nla_len(tb[NL80211_TXRATE_HT]),
4131 mask->control[band].ht_mcs))
4134 if (tb[NL80211_TXRATE_VHT]) {
4135 if (!vht_set_mcs_mask(
4137 nla_data(tb[NL80211_TXRATE_VHT]),
4138 mask->control[band].vht_mcs))
4141 if (tb[NL80211_TXRATE_GI]) {
4142 mask->control[band].gi =
4143 nla_get_u8(tb[NL80211_TXRATE_GI]);
4144 if (mask->control[band].gi > NL80211_TXRATE_FORCE_LGI)
4148 if (mask->control[band].legacy == 0) {
4149 /* don't allow empty legacy rates if HT or VHT
4150 * are not even supported.
4152 if (!(rdev->wiphy.bands[band]->ht_cap.ht_supported ||
4153 rdev->wiphy.bands[band]->vht_cap.vht_supported))
4156 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
4157 if (mask->control[band].ht_mcs[i])
4160 for (i = 0; i < NL80211_VHT_NSS_MAX; i++)
4161 if (mask->control[band].vht_mcs[i])
4164 /* legacy and mcs rates may not be both empty */
4173 static int validate_beacon_tx_rate(struct cfg80211_registered_device *rdev,
4174 enum nl80211_band band,
4175 struct cfg80211_bitrate_mask *beacon_rate)
4177 u32 count_ht, count_vht, i;
4178 u32 rate = beacon_rate->control[band].legacy;
4180 /* Allow only one rate */
4181 if (hweight32(rate) > 1)
4185 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) {
4186 if (hweight8(beacon_rate->control[band].ht_mcs[i]) > 1) {
4188 } else if (beacon_rate->control[band].ht_mcs[i]) {
4193 if (count_ht && rate)
4198 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
4199 if (hweight16(beacon_rate->control[band].vht_mcs[i]) > 1) {
4201 } else if (beacon_rate->control[band].vht_mcs[i]) {
4206 if (count_vht && rate)
4210 if ((count_ht && count_vht) || (!rate && !count_ht && !count_vht))
4214 !wiphy_ext_feature_isset(&rdev->wiphy,
4215 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY))
4218 !wiphy_ext_feature_isset(&rdev->wiphy,
4219 NL80211_EXT_FEATURE_BEACON_RATE_HT))
4222 !wiphy_ext_feature_isset(&rdev->wiphy,
4223 NL80211_EXT_FEATURE_BEACON_RATE_VHT))
4229 static int nl80211_parse_beacon(struct cfg80211_registered_device *rdev,
4230 struct nlattr *attrs[],
4231 struct cfg80211_beacon_data *bcn)
4233 bool haveinfo = false;
4236 memset(bcn, 0, sizeof(*bcn));
4238 if (attrs[NL80211_ATTR_BEACON_HEAD]) {
4239 bcn->head = nla_data(attrs[NL80211_ATTR_BEACON_HEAD]);
4240 bcn->head_len = nla_len(attrs[NL80211_ATTR_BEACON_HEAD]);
4246 if (attrs[NL80211_ATTR_BEACON_TAIL]) {
4247 bcn->tail = nla_data(attrs[NL80211_ATTR_BEACON_TAIL]);
4248 bcn->tail_len = nla_len(attrs[NL80211_ATTR_BEACON_TAIL]);
4255 if (attrs[NL80211_ATTR_IE]) {
4256 bcn->beacon_ies = nla_data(attrs[NL80211_ATTR_IE]);
4257 bcn->beacon_ies_len = nla_len(attrs[NL80211_ATTR_IE]);
4260 if (attrs[NL80211_ATTR_IE_PROBE_RESP]) {
4261 bcn->proberesp_ies =
4262 nla_data(attrs[NL80211_ATTR_IE_PROBE_RESP]);
4263 bcn->proberesp_ies_len =
4264 nla_len(attrs[NL80211_ATTR_IE_PROBE_RESP]);
4267 if (attrs[NL80211_ATTR_IE_ASSOC_RESP]) {
4268 bcn->assocresp_ies =
4269 nla_data(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
4270 bcn->assocresp_ies_len =
4271 nla_len(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
4274 if (attrs[NL80211_ATTR_PROBE_RESP]) {
4275 bcn->probe_resp = nla_data(attrs[NL80211_ATTR_PROBE_RESP]);
4276 bcn->probe_resp_len = nla_len(attrs[NL80211_ATTR_PROBE_RESP]);
4279 if (attrs[NL80211_ATTR_FTM_RESPONDER]) {
4280 struct nlattr *tb[NL80211_FTM_RESP_ATTR_MAX + 1];
4282 err = nla_parse_nested_deprecated(tb,
4283 NL80211_FTM_RESP_ATTR_MAX,
4284 attrs[NL80211_ATTR_FTM_RESPONDER],
4289 if (tb[NL80211_FTM_RESP_ATTR_ENABLED] &&
4290 wiphy_ext_feature_isset(&rdev->wiphy,
4291 NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER))
4292 bcn->ftm_responder = 1;
4296 if (tb[NL80211_FTM_RESP_ATTR_LCI]) {
4297 bcn->lci = nla_data(tb[NL80211_FTM_RESP_ATTR_LCI]);
4298 bcn->lci_len = nla_len(tb[NL80211_FTM_RESP_ATTR_LCI]);
4301 if (tb[NL80211_FTM_RESP_ATTR_CIVICLOC]) {
4302 bcn->civicloc = nla_data(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]);
4303 bcn->civicloc_len = nla_len(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]);
4306 bcn->ftm_responder = -1;
4312 static void nl80211_check_ap_rate_selectors(struct cfg80211_ap_settings *params,
4320 for (i = 0; i < rates[1]; i++) {
4321 if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_HT_PHY)
4322 params->ht_required = true;
4323 if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_VHT_PHY)
4324 params->vht_required = true;
4329 * Since the nl80211 API didn't include, from the beginning, attributes about
4330 * HT/VHT requirements/capabilities, we parse them out of the IEs for the
4331 * benefit of drivers that rebuild IEs in the firmware.
4333 static void nl80211_calculate_ap_params(struct cfg80211_ap_settings *params)
4335 const struct cfg80211_beacon_data *bcn = ¶ms->beacon;
4336 size_t ies_len = bcn->tail_len;
4337 const u8 *ies = bcn->tail;
4341 rates = cfg80211_find_ie(WLAN_EID_SUPP_RATES, ies, ies_len);
4342 nl80211_check_ap_rate_selectors(params, rates);
4344 rates = cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES, ies, ies_len);
4345 nl80211_check_ap_rate_selectors(params, rates);
4347 cap = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, ies, ies_len);
4348 if (cap && cap[1] >= sizeof(*params->ht_cap))
4349 params->ht_cap = (void *)(cap + 2);
4350 cap = cfg80211_find_ie(WLAN_EID_VHT_CAPABILITY, ies, ies_len);
4351 if (cap && cap[1] >= sizeof(*params->vht_cap))
4352 params->vht_cap = (void *)(cap + 2);
4353 cap = cfg80211_find_ext_ie(WLAN_EID_EXT_HE_CAPABILITY, ies, ies_len);
4354 if (cap && cap[1] >= sizeof(*params->he_cap) + 1)
4355 params->he_cap = (void *)(cap + 3);
4358 static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev,
4359 struct cfg80211_ap_settings *params)
4361 struct wireless_dev *wdev;
4364 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
4365 if (wdev->iftype != NL80211_IFTYPE_AP &&
4366 wdev->iftype != NL80211_IFTYPE_P2P_GO)
4369 if (!wdev->preset_chandef.chan)
4372 params->chandef = wdev->preset_chandef;
4380 static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev,
4381 enum nl80211_auth_type auth_type,
4382 enum nl80211_commands cmd)
4384 if (auth_type > NL80211_AUTHTYPE_MAX)
4388 case NL80211_CMD_AUTHENTICATE:
4389 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
4390 auth_type == NL80211_AUTHTYPE_SAE)
4392 if (!wiphy_ext_feature_isset(&rdev->wiphy,
4393 NL80211_EXT_FEATURE_FILS_STA) &&
4394 (auth_type == NL80211_AUTHTYPE_FILS_SK ||
4395 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
4396 auth_type == NL80211_AUTHTYPE_FILS_PK))
4399 case NL80211_CMD_CONNECT:
4400 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
4401 auth_type == NL80211_AUTHTYPE_SAE)
4404 /* FILS with SK PFS or PK not supported yet */
4405 if (auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
4406 auth_type == NL80211_AUTHTYPE_FILS_PK)
4408 if (!wiphy_ext_feature_isset(
4410 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) &&
4411 auth_type == NL80211_AUTHTYPE_FILS_SK)
4414 case NL80211_CMD_START_AP:
4415 /* SAE not supported yet */
4416 if (auth_type == NL80211_AUTHTYPE_SAE)
4418 /* FILS not supported yet */
4419 if (auth_type == NL80211_AUTHTYPE_FILS_SK ||
4420 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
4421 auth_type == NL80211_AUTHTYPE_FILS_PK)
4429 static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
4431 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4432 struct net_device *dev = info->user_ptr[1];
4433 struct wireless_dev *wdev = dev->ieee80211_ptr;
4434 struct cfg80211_ap_settings params;
4437 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4438 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4441 if (!rdev->ops->start_ap)
4444 if (wdev->beacon_interval)
4447 memset(¶ms, 0, sizeof(params));
4449 /* these are required for START_AP */
4450 if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] ||
4451 !info->attrs[NL80211_ATTR_DTIM_PERIOD] ||
4452 !info->attrs[NL80211_ATTR_BEACON_HEAD])
4455 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms.beacon);
4459 params.beacon_interval =
4460 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
4461 params.dtim_period =
4462 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
4464 err = cfg80211_validate_beacon_int(rdev, dev->ieee80211_ptr->iftype,
4465 params.beacon_interval);
4470 * In theory, some of these attributes should be required here
4471 * but since they were not used when the command was originally
4472 * added, keep them optional for old user space programs to let
4473 * them continue to work with drivers that do not need the
4474 * additional information -- drivers must check!
4476 if (info->attrs[NL80211_ATTR_SSID]) {
4477 params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
4479 nla_len(info->attrs[NL80211_ATTR_SSID]);
4480 if (params.ssid_len == 0 ||
4481 params.ssid_len > IEEE80211_MAX_SSID_LEN)
4485 if (info->attrs[NL80211_ATTR_HIDDEN_SSID])
4486 params.hidden_ssid = nla_get_u32(
4487 info->attrs[NL80211_ATTR_HIDDEN_SSID]);
4489 params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
4491 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
4492 params.auth_type = nla_get_u32(
4493 info->attrs[NL80211_ATTR_AUTH_TYPE]);
4494 if (!nl80211_valid_auth_type(rdev, params.auth_type,
4495 NL80211_CMD_START_AP))
4498 params.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
4500 err = nl80211_crypto_settings(rdev, info, ¶ms.crypto,
4501 NL80211_MAX_NR_CIPHER_SUITES);
4505 if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) {
4506 if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER))
4508 params.inactivity_timeout = nla_get_u16(
4509 info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]);
4512 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
4513 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4515 params.p2p_ctwindow =
4516 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
4517 if (params.p2p_ctwindow != 0 &&
4518 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
4522 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
4525 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4527 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
4528 params.p2p_opp_ps = tmp;
4529 if (params.p2p_opp_ps != 0 &&
4530 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
4534 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
4535 err = nl80211_parse_chandef(rdev, info, ¶ms.chandef);
4538 } else if (wdev->preset_chandef.chan) {
4539 params.chandef = wdev->preset_chandef;
4540 } else if (!nl80211_get_ap_channel(rdev, ¶ms))
4543 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef,
4547 if (info->attrs[NL80211_ATTR_TX_RATES]) {
4548 err = nl80211_parse_tx_bitrate_mask(info, ¶ms.beacon_rate);
4552 err = validate_beacon_tx_rate(rdev, params.chandef.chan->band,
4553 ¶ms.beacon_rate);
4558 if (info->attrs[NL80211_ATTR_SMPS_MODE]) {
4560 nla_get_u8(info->attrs[NL80211_ATTR_SMPS_MODE]);
4561 switch (params.smps_mode) {
4562 case NL80211_SMPS_OFF:
4564 case NL80211_SMPS_STATIC:
4565 if (!(rdev->wiphy.features &
4566 NL80211_FEATURE_STATIC_SMPS))
4569 case NL80211_SMPS_DYNAMIC:
4570 if (!(rdev->wiphy.features &
4571 NL80211_FEATURE_DYNAMIC_SMPS))
4578 params.smps_mode = NL80211_SMPS_OFF;
4581 params.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
4582 if (params.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ])
4585 if (info->attrs[NL80211_ATTR_ACL_POLICY]) {
4586 params.acl = parse_acl_data(&rdev->wiphy, info);
4587 if (IS_ERR(params.acl))
4588 return PTR_ERR(params.acl);
4591 nl80211_calculate_ap_params(¶ms);
4593 if (info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])
4594 params.flags |= AP_SETTINGS_EXTERNAL_AUTH_SUPPORT;
4597 err = rdev_start_ap(rdev, dev, ¶ms);
4599 wdev->preset_chandef = params.chandef;
4600 wdev->beacon_interval = params.beacon_interval;
4601 wdev->chandef = params.chandef;
4602 wdev->ssid_len = params.ssid_len;
4603 memcpy(wdev->ssid, params.ssid, wdev->ssid_len);
4605 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
4606 wdev->conn_owner_nlportid = info->snd_portid;
4615 static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info)
4617 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4618 struct net_device *dev = info->user_ptr[1];
4619 struct wireless_dev *wdev = dev->ieee80211_ptr;
4620 struct cfg80211_beacon_data params;
4623 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4624 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4627 if (!rdev->ops->change_beacon)
4630 if (!wdev->beacon_interval)
4633 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms);
4638 err = rdev_change_beacon(rdev, dev, ¶ms);
4644 static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info)
4646 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4647 struct net_device *dev = info->user_ptr[1];
4649 return cfg80211_stop_ap(rdev, dev, false);
4652 static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = {
4653 [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG },
4654 [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG },
4655 [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG },
4656 [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG },
4657 [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG },
4658 [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG },
4661 static int parse_station_flags(struct genl_info *info,
4662 enum nl80211_iftype iftype,
4663 struct station_parameters *params)
4665 struct nlattr *flags[NL80211_STA_FLAG_MAX + 1];
4670 * Try parsing the new attribute first so userspace
4671 * can specify both for older kernels.
4673 nla = info->attrs[NL80211_ATTR_STA_FLAGS2];
4675 struct nl80211_sta_flag_update *sta_flags;
4677 sta_flags = nla_data(nla);
4678 params->sta_flags_mask = sta_flags->mask;
4679 params->sta_flags_set = sta_flags->set;
4680 params->sta_flags_set &= params->sta_flags_mask;
4681 if ((params->sta_flags_mask |
4682 params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID))
4687 /* if present, parse the old attribute */
4689 nla = info->attrs[NL80211_ATTR_STA_FLAGS];
4693 if (nla_parse_nested_deprecated(flags, NL80211_STA_FLAG_MAX, nla, sta_flags_policy, info->extack))
4697 * Only allow certain flags for interface types so that
4698 * other attributes are silently ignored. Remember that
4699 * this is backward compatibility code with old userspace
4700 * and shouldn't be hit in other cases anyway.
4703 case NL80211_IFTYPE_AP:
4704 case NL80211_IFTYPE_AP_VLAN:
4705 case NL80211_IFTYPE_P2P_GO:
4706 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
4707 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
4708 BIT(NL80211_STA_FLAG_WME) |
4709 BIT(NL80211_STA_FLAG_MFP);
4711 case NL80211_IFTYPE_P2P_CLIENT:
4712 case NL80211_IFTYPE_STATION:
4713 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
4714 BIT(NL80211_STA_FLAG_TDLS_PEER);
4716 case NL80211_IFTYPE_MESH_POINT:
4717 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
4718 BIT(NL80211_STA_FLAG_MFP) |
4719 BIT(NL80211_STA_FLAG_AUTHORIZED);
4725 for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) {
4727 params->sta_flags_set |= (1<<flag);
4729 /* no longer support new API additions in old API */
4730 if (flag > NL80211_STA_FLAG_MAX_OLD_API)
4738 bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, int attr)
4740 struct nlattr *rate;
4743 enum nl80211_rate_info rate_flg;
4745 rate = nla_nest_start_noflag(msg, attr);
4749 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
4750 bitrate = cfg80211_calculate_bitrate(info);
4751 /* report 16-bit bitrate only if we can */
4752 bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0;
4754 nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate))
4756 if (bitrate_compat > 0 &&
4757 nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat))
4761 case RATE_INFO_BW_5:
4762 rate_flg = NL80211_RATE_INFO_5_MHZ_WIDTH;
4764 case RATE_INFO_BW_10:
4765 rate_flg = NL80211_RATE_INFO_10_MHZ_WIDTH;
4770 case RATE_INFO_BW_20:
4773 case RATE_INFO_BW_40:
4774 rate_flg = NL80211_RATE_INFO_40_MHZ_WIDTH;
4776 case RATE_INFO_BW_80:
4777 rate_flg = NL80211_RATE_INFO_80_MHZ_WIDTH;
4779 case RATE_INFO_BW_160:
4780 rate_flg = NL80211_RATE_INFO_160_MHZ_WIDTH;
4782 case RATE_INFO_BW_HE_RU:
4784 WARN_ON(!(info->flags & RATE_INFO_FLAGS_HE_MCS));
4787 if (rate_flg && nla_put_flag(msg, rate_flg))
4790 if (info->flags & RATE_INFO_FLAGS_MCS) {
4791 if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs))
4793 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
4794 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
4796 } else if (info->flags & RATE_INFO_FLAGS_VHT_MCS) {
4797 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_MCS, info->mcs))
4799 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss))
4801 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
4802 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
4804 } else if (info->flags & RATE_INFO_FLAGS_HE_MCS) {
4805 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_MCS, info->mcs))
4807 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_NSS, info->nss))
4809 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_GI, info->he_gi))
4811 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_DCM, info->he_dcm))
4813 if (info->bw == RATE_INFO_BW_HE_RU &&
4814 nla_put_u8(msg, NL80211_RATE_INFO_HE_RU_ALLOC,
4819 nla_nest_end(msg, rate);
4823 static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal,
4832 attr = nla_nest_start_noflag(msg, id);
4836 for (i = 0; i < IEEE80211_MAX_CHAINS; i++) {
4837 if (!(mask & BIT(i)))
4840 if (nla_put_u8(msg, i, signal[i]))
4844 nla_nest_end(msg, attr);
4849 static int nl80211_send_station(struct sk_buff *msg, u32 cmd, u32 portid,
4851 struct cfg80211_registered_device *rdev,
4852 struct net_device *dev,
4853 const u8 *mac_addr, struct station_info *sinfo)
4856 struct nlattr *sinfoattr, *bss_param;
4858 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
4862 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
4863 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
4864 nla_put_u32(msg, NL80211_ATTR_GENERATION, sinfo->generation))
4865 goto nla_put_failure;
4867 sinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_STA_INFO);
4869 goto nla_put_failure;
4871 #define PUT_SINFO(attr, memb, type) do { \
4872 BUILD_BUG_ON(sizeof(type) == sizeof(u64)); \
4873 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \
4874 nla_put_ ## type(msg, NL80211_STA_INFO_ ## attr, \
4876 goto nla_put_failure; \
4878 #define PUT_SINFO_U64(attr, memb) do { \
4879 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \
4880 nla_put_u64_64bit(msg, NL80211_STA_INFO_ ## attr, \
4881 sinfo->memb, NL80211_STA_INFO_PAD)) \
4882 goto nla_put_failure; \
4885 PUT_SINFO(CONNECTED_TIME, connected_time, u32);
4886 PUT_SINFO(INACTIVE_TIME, inactive_time, u32);
4888 if (sinfo->filled & (BIT_ULL(NL80211_STA_INFO_RX_BYTES) |
4889 BIT_ULL(NL80211_STA_INFO_RX_BYTES64)) &&
4890 nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES,
4891 (u32)sinfo->rx_bytes))
4892 goto nla_put_failure;
4894 if (sinfo->filled & (BIT_ULL(NL80211_STA_INFO_TX_BYTES) |
4895 BIT_ULL(NL80211_STA_INFO_TX_BYTES64)) &&
4896 nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES,
4897 (u32)sinfo->tx_bytes))
4898 goto nla_put_failure;
4900 PUT_SINFO_U64(RX_BYTES64, rx_bytes);
4901 PUT_SINFO_U64(TX_BYTES64, tx_bytes);
4902 PUT_SINFO(LLID, llid, u16);
4903 PUT_SINFO(PLID, plid, u16);
4904 PUT_SINFO(PLINK_STATE, plink_state, u8);
4905 PUT_SINFO_U64(RX_DURATION, rx_duration);
4906 PUT_SINFO_U64(TX_DURATION, tx_duration);
4908 if (wiphy_ext_feature_isset(&rdev->wiphy,
4909 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
4910 PUT_SINFO(AIRTIME_WEIGHT, airtime_weight, u16);
4912 switch (rdev->wiphy.signal_type) {
4913 case CFG80211_SIGNAL_TYPE_MBM:
4914 PUT_SINFO(SIGNAL, signal, u8);
4915 PUT_SINFO(SIGNAL_AVG, signal_avg, u8);
4920 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL)) {
4921 if (!nl80211_put_signal(msg, sinfo->chains,
4922 sinfo->chain_signal,
4923 NL80211_STA_INFO_CHAIN_SIGNAL))
4924 goto nla_put_failure;
4926 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) {
4927 if (!nl80211_put_signal(msg, sinfo->chains,
4928 sinfo->chain_signal_avg,
4929 NL80211_STA_INFO_CHAIN_SIGNAL_AVG))
4930 goto nla_put_failure;
4932 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_TX_BITRATE)) {
4933 if (!nl80211_put_sta_rate(msg, &sinfo->txrate,
4934 NL80211_STA_INFO_TX_BITRATE))
4935 goto nla_put_failure;
4937 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_RX_BITRATE)) {
4938 if (!nl80211_put_sta_rate(msg, &sinfo->rxrate,
4939 NL80211_STA_INFO_RX_BITRATE))
4940 goto nla_put_failure;
4943 PUT_SINFO(RX_PACKETS, rx_packets, u32);
4944 PUT_SINFO(TX_PACKETS, tx_packets, u32);
4945 PUT_SINFO(TX_RETRIES, tx_retries, u32);
4946 PUT_SINFO(TX_FAILED, tx_failed, u32);
4947 PUT_SINFO(EXPECTED_THROUGHPUT, expected_throughput, u32);
4948 PUT_SINFO(AIRTIME_LINK_METRIC, airtime_link_metric, u32);
4949 PUT_SINFO(BEACON_LOSS, beacon_loss_count, u32);
4950 PUT_SINFO(LOCAL_PM, local_pm, u32);
4951 PUT_SINFO(PEER_PM, peer_pm, u32);
4952 PUT_SINFO(NONPEER_PM, nonpeer_pm, u32);
4953 PUT_SINFO(CONNECTED_TO_GATE, connected_to_gate, u8);
4955 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_BSS_PARAM)) {
4956 bss_param = nla_nest_start_noflag(msg,
4957 NL80211_STA_INFO_BSS_PARAM);
4959 goto nla_put_failure;
4961 if (((sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) &&
4962 nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) ||
4963 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) &&
4964 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) ||
4965 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) &&
4966 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) ||
4967 nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD,
4968 sinfo->bss_param.dtim_period) ||
4969 nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL,
4970 sinfo->bss_param.beacon_interval))
4971 goto nla_put_failure;
4973 nla_nest_end(msg, bss_param);
4975 if ((sinfo->filled & BIT_ULL(NL80211_STA_INFO_STA_FLAGS)) &&
4976 nla_put(msg, NL80211_STA_INFO_STA_FLAGS,
4977 sizeof(struct nl80211_sta_flag_update),
4979 goto nla_put_failure;
4981 PUT_SINFO_U64(T_OFFSET, t_offset);
4982 PUT_SINFO_U64(RX_DROP_MISC, rx_dropped_misc);
4983 PUT_SINFO_U64(BEACON_RX, rx_beacon);
4984 PUT_SINFO(BEACON_SIGNAL_AVG, rx_beacon_signal_avg, u8);
4985 PUT_SINFO(RX_MPDUS, rx_mpdu_count, u32);
4986 PUT_SINFO(FCS_ERROR_COUNT, fcs_err_count, u32);
4987 if (wiphy_ext_feature_isset(&rdev->wiphy,
4988 NL80211_EXT_FEATURE_ACK_SIGNAL_SUPPORT)) {
4989 PUT_SINFO(ACK_SIGNAL, ack_signal, u8);
4990 PUT_SINFO(ACK_SIGNAL_AVG, avg_ack_signal, s8);
4994 #undef PUT_SINFO_U64
4996 if (sinfo->pertid) {
4997 struct nlattr *tidsattr;
5000 tidsattr = nla_nest_start_noflag(msg,
5001 NL80211_STA_INFO_TID_STATS);
5003 goto nla_put_failure;
5005 for (tid = 0; tid < IEEE80211_NUM_TIDS + 1; tid++) {
5006 struct cfg80211_tid_stats *tidstats;
5007 struct nlattr *tidattr;
5009 tidstats = &sinfo->pertid[tid];
5011 if (!tidstats->filled)
5014 tidattr = nla_nest_start_noflag(msg, tid + 1);
5016 goto nla_put_failure;
5018 #define PUT_TIDVAL_U64(attr, memb) do { \
5019 if (tidstats->filled & BIT(NL80211_TID_STATS_ ## attr) && \
5020 nla_put_u64_64bit(msg, NL80211_TID_STATS_ ## attr, \
5021 tidstats->memb, NL80211_TID_STATS_PAD)) \
5022 goto nla_put_failure; \
5025 PUT_TIDVAL_U64(RX_MSDU, rx_msdu);
5026 PUT_TIDVAL_U64(TX_MSDU, tx_msdu);
5027 PUT_TIDVAL_U64(TX_MSDU_RETRIES, tx_msdu_retries);
5028 PUT_TIDVAL_U64(TX_MSDU_FAILED, tx_msdu_failed);
5030 #undef PUT_TIDVAL_U64
5031 if ((tidstats->filled &
5032 BIT(NL80211_TID_STATS_TXQ_STATS)) &&
5033 !nl80211_put_txq_stats(msg, &tidstats->txq_stats,
5034 NL80211_TID_STATS_TXQ_STATS))
5035 goto nla_put_failure;
5037 nla_nest_end(msg, tidattr);
5040 nla_nest_end(msg, tidsattr);
5043 nla_nest_end(msg, sinfoattr);
5045 if (sinfo->assoc_req_ies_len &&
5046 nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len,
5047 sinfo->assoc_req_ies))
5048 goto nla_put_failure;
5050 cfg80211_sinfo_release_content(sinfo);
5051 genlmsg_end(msg, hdr);
5055 cfg80211_sinfo_release_content(sinfo);
5056 genlmsg_cancel(msg, hdr);
5060 static int nl80211_dump_station(struct sk_buff *skb,
5061 struct netlink_callback *cb)
5063 struct station_info sinfo;
5064 struct cfg80211_registered_device *rdev;
5065 struct wireless_dev *wdev;
5066 u8 mac_addr[ETH_ALEN];
5067 int sta_idx = cb->args[2];
5071 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
5075 if (!wdev->netdev) {
5080 if (!rdev->ops->dump_station) {
5086 memset(&sinfo, 0, sizeof(sinfo));
5087 err = rdev_dump_station(rdev, wdev->netdev, sta_idx,
5094 if (nl80211_send_station(skb, NL80211_CMD_NEW_STATION,
5095 NETLINK_CB(cb->skb).portid,
5096 cb->nlh->nlmsg_seq, NLM_F_MULTI,
5097 rdev, wdev->netdev, mac_addr,
5105 cb->args[2] = sta_idx;
5113 static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info)
5115 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5116 struct net_device *dev = info->user_ptr[1];
5117 struct station_info sinfo;
5118 struct sk_buff *msg;
5119 u8 *mac_addr = NULL;
5122 memset(&sinfo, 0, sizeof(sinfo));
5124 if (!info->attrs[NL80211_ATTR_MAC])
5127 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
5129 if (!rdev->ops->get_station)
5132 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
5136 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
5138 cfg80211_sinfo_release_content(&sinfo);
5142 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION,
5143 info->snd_portid, info->snd_seq, 0,
5144 rdev, dev, mac_addr, &sinfo) < 0) {
5149 return genlmsg_reply(msg, info);
5152 int cfg80211_check_station_change(struct wiphy *wiphy,
5153 struct station_parameters *params,
5154 enum cfg80211_station_type statype)
5156 if (params->listen_interval != -1 &&
5157 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
5160 if (params->support_p2p_ps != -1 &&
5161 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
5165 !(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) &&
5166 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
5169 /* When you run into this, adjust the code below for the new flag */
5170 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
5173 case CFG80211_STA_MESH_PEER_KERNEL:
5174 case CFG80211_STA_MESH_PEER_USER:
5176 * No ignoring the TDLS flag here -- the userspace mesh
5177 * code doesn't have the bug of including TDLS in the
5180 if (params->sta_flags_mask &
5181 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) |
5182 BIT(NL80211_STA_FLAG_MFP) |
5183 BIT(NL80211_STA_FLAG_AUTHORIZED)))
5186 case CFG80211_STA_TDLS_PEER_SETUP:
5187 case CFG80211_STA_TDLS_PEER_ACTIVE:
5188 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
5190 /* ignore since it can't change */
5191 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
5194 /* disallow mesh-specific things */
5195 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION)
5197 if (params->local_pm)
5199 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
5203 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
5204 statype != CFG80211_STA_TDLS_PEER_ACTIVE) {
5205 /* TDLS can't be set, ... */
5206 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
5209 * ... but don't bother the driver with it. This works around
5210 * a hostapd/wpa_supplicant issue -- it always includes the
5211 * TLDS_PEER flag in the mask even for AP mode.
5213 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
5216 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
5217 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
5218 /* reject other things that can't change */
5219 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD)
5221 if (params->sta_modify_mask & STATION_PARAM_APPLY_CAPABILITY)
5223 if (params->supported_rates)
5225 if (params->ext_capab || params->ht_capa || params->vht_capa ||
5230 if (statype != CFG80211_STA_AP_CLIENT &&
5231 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
5237 case CFG80211_STA_AP_MLME_CLIENT:
5238 /* Use this only for authorizing/unauthorizing a station */
5239 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
5242 case CFG80211_STA_AP_CLIENT:
5243 case CFG80211_STA_AP_CLIENT_UNASSOC:
5244 /* accept only the listed bits */
5245 if (params->sta_flags_mask &
5246 ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
5247 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
5248 BIT(NL80211_STA_FLAG_ASSOCIATED) |
5249 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
5250 BIT(NL80211_STA_FLAG_WME) |
5251 BIT(NL80211_STA_FLAG_MFP)))
5254 /* but authenticated/associated only if driver handles it */
5255 if (!(wiphy->features & NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
5256 params->sta_flags_mask &
5257 (BIT(NL80211_STA_FLAG_AUTHENTICATED) |
5258 BIT(NL80211_STA_FLAG_ASSOCIATED)))
5261 case CFG80211_STA_IBSS:
5262 case CFG80211_STA_AP_STA:
5263 /* reject any changes other than AUTHORIZED */
5264 if (params->sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED))
5267 case CFG80211_STA_TDLS_PEER_SETUP:
5268 /* reject any changes other than AUTHORIZED or WME */
5269 if (params->sta_flags_mask & ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
5270 BIT(NL80211_STA_FLAG_WME)))
5272 /* force (at least) rates when authorizing */
5273 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED) &&
5274 !params->supported_rates)
5277 case CFG80211_STA_TDLS_PEER_ACTIVE:
5278 /* reject any changes */
5280 case CFG80211_STA_MESH_PEER_KERNEL:
5281 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
5284 case CFG80211_STA_MESH_PEER_USER:
5285 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION &&
5286 params->plink_action != NL80211_PLINK_ACTION_BLOCK)
5292 * Older kernel versions ignored this attribute entirely, so don't
5293 * reject attempts to update it but mark it as unused instead so the
5294 * driver won't look at the data.
5296 if (statype != CFG80211_STA_AP_CLIENT_UNASSOC &&
5297 statype != CFG80211_STA_TDLS_PEER_SETUP)
5298 params->opmode_notif_used = false;
5302 EXPORT_SYMBOL(cfg80211_check_station_change);
5305 * Get vlan interface making sure it is running and on the right wiphy.
5307 static struct net_device *get_vlan(struct genl_info *info,
5308 struct cfg80211_registered_device *rdev)
5310 struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN];
5311 struct net_device *v;
5317 v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr));
5319 return ERR_PTR(-ENODEV);
5321 if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) {
5326 if (v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
5327 v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
5328 v->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
5333 if (!netif_running(v)) {
5341 return ERR_PTR(ret);
5344 static const struct nla_policy
5345 nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] = {
5346 [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 },
5347 [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 },
5350 static int nl80211_parse_sta_wme(struct genl_info *info,
5351 struct station_parameters *params)
5353 struct nlattr *tb[NL80211_STA_WME_MAX + 1];
5357 /* parse WME attributes if present */
5358 if (!info->attrs[NL80211_ATTR_STA_WME])
5361 nla = info->attrs[NL80211_ATTR_STA_WME];
5362 err = nla_parse_nested_deprecated(tb, NL80211_STA_WME_MAX, nla,
5363 nl80211_sta_wme_policy,
5368 if (tb[NL80211_STA_WME_UAPSD_QUEUES])
5369 params->uapsd_queues = nla_get_u8(
5370 tb[NL80211_STA_WME_UAPSD_QUEUES]);
5371 if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
5374 if (tb[NL80211_STA_WME_MAX_SP])
5375 params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]);
5377 if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
5380 params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD;
5385 static int nl80211_parse_sta_channel_info(struct genl_info *info,
5386 struct station_parameters *params)
5388 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]) {
5389 params->supported_channels =
5390 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
5391 params->supported_channels_len =
5392 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
5394 * Need to include at least one (first channel, number of
5395 * channels) tuple for each subband, and must have proper
5396 * tuples for the rest of the data as well.
5398 if (params->supported_channels_len < 2)
5400 if (params->supported_channels_len % 2)
5404 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]) {
5405 params->supported_oper_classes =
5406 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
5407 params->supported_oper_classes_len =
5408 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
5410 * The value of the Length field of the Supported Operating
5411 * Classes element is between 2 and 253.
5413 if (params->supported_oper_classes_len < 2 ||
5414 params->supported_oper_classes_len > 253)
5420 static int nl80211_set_station_tdls(struct genl_info *info,
5421 struct station_parameters *params)
5424 /* Dummy STA entry gets updated once the peer capabilities are known */
5425 if (info->attrs[NL80211_ATTR_PEER_AID])
5426 params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
5427 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
5429 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
5430 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
5432 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
5433 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
5435 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
5436 params->he_capa_len =
5437 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
5439 if (params->he_capa_len < NL80211_HE_MIN_CAPABILITY_LEN)
5443 err = nl80211_parse_sta_channel_info(info, params);
5447 return nl80211_parse_sta_wme(info, params);
5450 static int nl80211_parse_sta_txpower_setting(struct genl_info *info,
5451 struct station_parameters *params)
5453 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5456 if (info->attrs[NL80211_ATTR_STA_TX_POWER_SETTING]) {
5457 if (!rdev->ops->set_tx_power ||
5458 !wiphy_ext_feature_isset(&rdev->wiphy,
5459 NL80211_EXT_FEATURE_STA_TX_PWR))
5462 idx = NL80211_ATTR_STA_TX_POWER_SETTING;
5463 params->txpwr.type = nla_get_u8(info->attrs[idx]);
5465 if (params->txpwr.type == NL80211_TX_POWER_LIMITED) {
5466 idx = NL80211_ATTR_STA_TX_POWER;
5468 if (info->attrs[idx])
5469 params->txpwr.power =
5470 nla_get_s16(info->attrs[idx]);
5474 params->sta_modify_mask |= STATION_PARAM_APPLY_STA_TXPOWER;
5480 static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
5482 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5483 struct net_device *dev = info->user_ptr[1];
5484 struct station_parameters params;
5488 memset(¶ms, 0, sizeof(params));
5490 if (!rdev->ops->change_station)
5494 * AID and listen_interval properties can be set only for unassociated
5495 * station. Include these parameters here and will check them in
5496 * cfg80211_check_station_change().
5498 if (info->attrs[NL80211_ATTR_STA_AID])
5499 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
5501 if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
5502 params.listen_interval =
5503 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
5505 params.listen_interval = -1;
5507 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS])
5508 params.support_p2p_ps =
5509 nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
5511 params.support_p2p_ps = -1;
5513 if (!info->attrs[NL80211_ATTR_MAC])
5516 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
5518 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) {
5519 params.supported_rates =
5520 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
5521 params.supported_rates_len =
5522 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
5525 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
5527 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
5528 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
5531 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
5533 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
5534 params.ext_capab_len =
5535 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
5538 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
5541 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
5542 params.plink_action =
5543 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
5545 if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) {
5546 params.plink_state =
5547 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]);
5548 if (info->attrs[NL80211_ATTR_MESH_PEER_AID])
5549 params.peer_aid = nla_get_u16(
5550 info->attrs[NL80211_ATTR_MESH_PEER_AID]);
5551 params.sta_modify_mask |= STATION_PARAM_APPLY_PLINK_STATE;
5554 if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE])
5555 params.local_pm = nla_get_u32(
5556 info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]);
5558 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
5559 params.opmode_notif_used = true;
5560 params.opmode_notif =
5561 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
5564 if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
5565 params.airtime_weight =
5566 nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
5568 if (params.airtime_weight &&
5569 !wiphy_ext_feature_isset(&rdev->wiphy,
5570 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
5573 err = nl80211_parse_sta_txpower_setting(info, ¶ms);
5577 /* Include parameters for TDLS peer (will check later) */
5578 err = nl80211_set_station_tdls(info, ¶ms);
5582 params.vlan = get_vlan(info, rdev);
5583 if (IS_ERR(params.vlan))
5584 return PTR_ERR(params.vlan);
5586 switch (dev->ieee80211_ptr->iftype) {
5587 case NL80211_IFTYPE_AP:
5588 case NL80211_IFTYPE_AP_VLAN:
5589 case NL80211_IFTYPE_P2P_GO:
5590 case NL80211_IFTYPE_P2P_CLIENT:
5591 case NL80211_IFTYPE_STATION:
5592 case NL80211_IFTYPE_ADHOC:
5593 case NL80211_IFTYPE_MESH_POINT:
5600 /* driver will call cfg80211_check_station_change() */
5601 err = rdev_change_station(rdev, dev, mac_addr, ¶ms);
5605 dev_put(params.vlan);
5610 static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
5612 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5614 struct net_device *dev = info->user_ptr[1];
5615 struct station_parameters params;
5616 u8 *mac_addr = NULL;
5617 u32 auth_assoc = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
5618 BIT(NL80211_STA_FLAG_ASSOCIATED);
5620 memset(¶ms, 0, sizeof(params));
5622 if (!rdev->ops->add_station)
5625 if (!info->attrs[NL80211_ATTR_MAC])
5628 if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
5631 if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES])
5634 if (!info->attrs[NL80211_ATTR_STA_AID] &&
5635 !info->attrs[NL80211_ATTR_PEER_AID])
5638 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
5639 params.supported_rates =
5640 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
5641 params.supported_rates_len =
5642 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
5643 params.listen_interval =
5644 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
5646 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]) {
5647 params.support_p2p_ps =
5648 nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
5651 * if not specified, assume it's supported for P2P GO interface,
5652 * and is NOT supported for AP interface
5654 params.support_p2p_ps =
5655 dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO;
5658 if (info->attrs[NL80211_ATTR_PEER_AID])
5659 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
5661 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
5663 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
5665 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
5666 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
5669 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
5671 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
5672 params.ext_capab_len =
5673 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
5676 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
5678 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
5680 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
5682 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
5684 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
5686 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
5687 params.he_capa_len =
5688 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
5690 /* max len is validated in nla policy */
5691 if (params.he_capa_len < NL80211_HE_MIN_CAPABILITY_LEN)
5695 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
5696 params.opmode_notif_used = true;
5697 params.opmode_notif =
5698 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
5701 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
5702 params.plink_action =
5703 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
5705 if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
5706 params.airtime_weight =
5707 nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
5709 if (params.airtime_weight &&
5710 !wiphy_ext_feature_isset(&rdev->wiphy,
5711 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
5714 err = nl80211_parse_sta_txpower_setting(info, ¶ms);
5718 err = nl80211_parse_sta_channel_info(info, ¶ms);
5722 err = nl80211_parse_sta_wme(info, ¶ms);
5726 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
5729 /* HT/VHT requires QoS, but if we don't have that just ignore HT/VHT
5730 * as userspace might just pass through the capabilities from the IEs
5731 * directly, rather than enforcing this restriction and returning an
5732 * error in this case.
5734 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) {
5735 params.ht_capa = NULL;
5736 params.vht_capa = NULL;
5738 /* HE requires WME */
5739 if (params.he_capa_len)
5743 /* When you run into this, adjust the code below for the new flag */
5744 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
5746 switch (dev->ieee80211_ptr->iftype) {
5747 case NL80211_IFTYPE_AP:
5748 case NL80211_IFTYPE_AP_VLAN:
5749 case NL80211_IFTYPE_P2P_GO:
5750 /* ignore WME attributes if iface/sta is not capable */
5751 if (!(rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) ||
5752 !(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME)))
5753 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
5755 /* TDLS peers cannot be added */
5756 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
5757 info->attrs[NL80211_ATTR_PEER_AID])
5759 /* but don't bother the driver with it */
5760 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
5762 /* allow authenticated/associated only if driver handles it */
5763 if (!(rdev->wiphy.features &
5764 NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
5765 params.sta_flags_mask & auth_assoc)
5768 /* Older userspace, or userspace wanting to be compatible with
5769 * !NL80211_FEATURE_FULL_AP_CLIENT_STATE, will not set the auth
5770 * and assoc flags in the mask, but assumes the station will be
5771 * added as associated anyway since this was the required driver
5772 * behaviour before NL80211_FEATURE_FULL_AP_CLIENT_STATE was
5774 * In order to not bother drivers with this quirk in the API
5775 * set the flags in both the mask and set for new stations in
5778 if (!(params.sta_flags_mask & auth_assoc)) {
5779 params.sta_flags_mask |= auth_assoc;
5780 params.sta_flags_set |= auth_assoc;
5783 /* must be last in here for error handling */
5784 params.vlan = get_vlan(info, rdev);
5785 if (IS_ERR(params.vlan))
5786 return PTR_ERR(params.vlan);
5788 case NL80211_IFTYPE_MESH_POINT:
5789 /* ignore uAPSD data */
5790 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
5792 /* associated is disallowed */
5793 if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED))
5795 /* TDLS peers cannot be added */
5796 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
5797 info->attrs[NL80211_ATTR_PEER_AID])
5800 case NL80211_IFTYPE_STATION:
5801 case NL80211_IFTYPE_P2P_CLIENT:
5802 /* ignore uAPSD data */
5803 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
5805 /* these are disallowed */
5806 if (params.sta_flags_mask &
5807 (BIT(NL80211_STA_FLAG_ASSOCIATED) |
5808 BIT(NL80211_STA_FLAG_AUTHENTICATED)))
5810 /* Only TDLS peers can be added */
5811 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
5813 /* Can only add if TDLS ... */
5814 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS))
5816 /* ... with external setup is supported */
5817 if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
5820 * Older wpa_supplicant versions always mark the TDLS peer
5821 * as authorized, but it shouldn't yet be.
5823 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_AUTHORIZED);
5829 /* be aware of params.vlan when changing code here */
5831 err = rdev_add_station(rdev, dev, mac_addr, ¶ms);
5834 dev_put(params.vlan);
5838 static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info)
5840 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5841 struct net_device *dev = info->user_ptr[1];
5842 struct station_del_parameters params;
5844 memset(¶ms, 0, sizeof(params));
5846 if (info->attrs[NL80211_ATTR_MAC])
5847 params.mac = nla_data(info->attrs[NL80211_ATTR_MAC]);
5849 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
5850 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
5851 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
5852 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5855 if (!rdev->ops->del_station)
5858 if (info->attrs[NL80211_ATTR_MGMT_SUBTYPE]) {
5860 nla_get_u8(info->attrs[NL80211_ATTR_MGMT_SUBTYPE]);
5861 if (params.subtype != IEEE80211_STYPE_DISASSOC >> 4 &&
5862 params.subtype != IEEE80211_STYPE_DEAUTH >> 4)
5865 /* Default to Deauthentication frame */
5866 params.subtype = IEEE80211_STYPE_DEAUTH >> 4;
5869 if (info->attrs[NL80211_ATTR_REASON_CODE]) {
5870 params.reason_code =
5871 nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
5872 if (params.reason_code == 0)
5873 return -EINVAL; /* 0 is reserved */
5875 /* Default to reason code 2 */
5876 params.reason_code = WLAN_REASON_PREV_AUTH_NOT_VALID;
5879 return rdev_del_station(rdev, dev, ¶ms);
5882 static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq,
5883 int flags, struct net_device *dev,
5884 u8 *dst, u8 *next_hop,
5885 struct mpath_info *pinfo)
5888 struct nlattr *pinfoattr;
5890 hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_MPATH);
5894 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
5895 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
5896 nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) ||
5897 nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation))
5898 goto nla_put_failure;
5900 pinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_MPATH_INFO);
5902 goto nla_put_failure;
5903 if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) &&
5904 nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN,
5906 goto nla_put_failure;
5907 if (((pinfo->filled & MPATH_INFO_SN) &&
5908 nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) ||
5909 ((pinfo->filled & MPATH_INFO_METRIC) &&
5910 nla_put_u32(msg, NL80211_MPATH_INFO_METRIC,
5912 ((pinfo->filled & MPATH_INFO_EXPTIME) &&
5913 nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME,
5915 ((pinfo->filled & MPATH_INFO_FLAGS) &&
5916 nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS,
5918 ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) &&
5919 nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT,
5920 pinfo->discovery_timeout)) ||
5921 ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) &&
5922 nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES,
5923 pinfo->discovery_retries)) ||
5924 ((pinfo->filled & MPATH_INFO_HOP_COUNT) &&
5925 nla_put_u8(msg, NL80211_MPATH_INFO_HOP_COUNT,
5926 pinfo->hop_count)) ||
5927 ((pinfo->filled & MPATH_INFO_PATH_CHANGE) &&
5928 nla_put_u32(msg, NL80211_MPATH_INFO_PATH_CHANGE,
5929 pinfo->path_change_count)))
5930 goto nla_put_failure;
5932 nla_nest_end(msg, pinfoattr);
5934 genlmsg_end(msg, hdr);
5938 genlmsg_cancel(msg, hdr);
5942 static int nl80211_dump_mpath(struct sk_buff *skb,
5943 struct netlink_callback *cb)
5945 struct mpath_info pinfo;
5946 struct cfg80211_registered_device *rdev;
5947 struct wireless_dev *wdev;
5949 u8 next_hop[ETH_ALEN];
5950 int path_idx = cb->args[2];
5954 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
5958 if (!rdev->ops->dump_mpath) {
5963 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
5969 err = rdev_dump_mpath(rdev, wdev->netdev, path_idx, dst,
5976 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
5977 cb->nlh->nlmsg_seq, NLM_F_MULTI,
5978 wdev->netdev, dst, next_hop,
5986 cb->args[2] = path_idx;
5993 static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info)
5995 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5997 struct net_device *dev = info->user_ptr[1];
5998 struct mpath_info pinfo;
5999 struct sk_buff *msg;
6001 u8 next_hop[ETH_ALEN];
6003 memset(&pinfo, 0, sizeof(pinfo));
6005 if (!info->attrs[NL80211_ATTR_MAC])
6008 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6010 if (!rdev->ops->get_mpath)
6013 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6016 err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo);
6020 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6024 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
6025 dev, dst, next_hop, &pinfo) < 0) {
6030 return genlmsg_reply(msg, info);
6033 static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info)
6035 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6036 struct net_device *dev = info->user_ptr[1];
6038 u8 *next_hop = NULL;
6040 if (!info->attrs[NL80211_ATTR_MAC])
6043 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
6046 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6047 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
6049 if (!rdev->ops->change_mpath)
6052 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6055 return rdev_change_mpath(rdev, dev, dst, next_hop);
6058 static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info)
6060 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6061 struct net_device *dev = info->user_ptr[1];
6063 u8 *next_hop = NULL;
6065 if (!info->attrs[NL80211_ATTR_MAC])
6068 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
6071 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6072 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
6074 if (!rdev->ops->add_mpath)
6077 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6080 return rdev_add_mpath(rdev, dev, dst, next_hop);
6083 static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info)
6085 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6086 struct net_device *dev = info->user_ptr[1];
6089 if (info->attrs[NL80211_ATTR_MAC])
6090 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6092 if (!rdev->ops->del_mpath)
6095 return rdev_del_mpath(rdev, dev, dst);
6098 static int nl80211_get_mpp(struct sk_buff *skb, struct genl_info *info)
6100 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6102 struct net_device *dev = info->user_ptr[1];
6103 struct mpath_info pinfo;
6104 struct sk_buff *msg;
6108 memset(&pinfo, 0, sizeof(pinfo));
6110 if (!info->attrs[NL80211_ATTR_MAC])
6113 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6115 if (!rdev->ops->get_mpp)
6118 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6121 err = rdev_get_mpp(rdev, dev, dst, mpp, &pinfo);
6125 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6129 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
6130 dev, dst, mpp, &pinfo) < 0) {
6135 return genlmsg_reply(msg, info);
6138 static int nl80211_dump_mpp(struct sk_buff *skb,
6139 struct netlink_callback *cb)
6141 struct mpath_info pinfo;
6142 struct cfg80211_registered_device *rdev;
6143 struct wireless_dev *wdev;
6146 int path_idx = cb->args[2];
6150 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
6154 if (!rdev->ops->dump_mpp) {
6159 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
6165 err = rdev_dump_mpp(rdev, wdev->netdev, path_idx, dst,
6172 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
6173 cb->nlh->nlmsg_seq, NLM_F_MULTI,
6174 wdev->netdev, dst, mpp,
6182 cb->args[2] = path_idx;
6189 static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
6191 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6192 struct net_device *dev = info->user_ptr[1];
6193 struct wireless_dev *wdev = dev->ieee80211_ptr;
6194 struct bss_parameters params;
6197 memset(¶ms, 0, sizeof(params));
6198 /* default to not changing parameters */
6199 params.use_cts_prot = -1;
6200 params.use_short_preamble = -1;
6201 params.use_short_slot_time = -1;
6202 params.ap_isolate = -1;
6203 params.ht_opmode = -1;
6204 params.p2p_ctwindow = -1;
6205 params.p2p_opp_ps = -1;
6207 if (info->attrs[NL80211_ATTR_BSS_CTS_PROT])
6208 params.use_cts_prot =
6209 nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]);
6210 if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE])
6211 params.use_short_preamble =
6212 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]);
6213 if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME])
6214 params.use_short_slot_time =
6215 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]);
6216 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
6217 params.basic_rates =
6218 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
6219 params.basic_rates_len =
6220 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
6222 if (info->attrs[NL80211_ATTR_AP_ISOLATE])
6223 params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]);
6224 if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE])
6226 nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]);
6228 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
6229 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
6231 params.p2p_ctwindow =
6232 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
6233 if (params.p2p_ctwindow != 0 &&
6234 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
6238 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
6241 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
6243 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
6244 params.p2p_opp_ps = tmp;
6245 if (params.p2p_opp_ps &&
6246 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
6250 if (!rdev->ops->change_bss)
6253 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
6254 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
6258 err = rdev_change_bss(rdev, dev, ¶ms);
6264 static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
6268 enum nl80211_user_reg_hint_type user_reg_hint_type;
6272 * You should only get this when cfg80211 hasn't yet initialized
6273 * completely when built-in to the kernel right between the time
6274 * window between nl80211_init() and regulatory_init(), if that is
6277 if (unlikely(!rcu_access_pointer(cfg80211_regdomain)))
6278 return -EINPROGRESS;
6280 if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE])
6281 user_reg_hint_type =
6282 nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]);
6284 user_reg_hint_type = NL80211_USER_REG_HINT_USER;
6286 switch (user_reg_hint_type) {
6287 case NL80211_USER_REG_HINT_USER:
6288 case NL80211_USER_REG_HINT_CELL_BASE:
6289 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
6292 data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
6293 return regulatory_hint_user(data, user_reg_hint_type);
6294 case NL80211_USER_REG_HINT_INDOOR:
6295 if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
6296 owner_nlportid = info->snd_portid;
6297 is_indoor = !!info->attrs[NL80211_ATTR_REG_INDOOR];
6303 return regulatory_hint_indoor(is_indoor, owner_nlportid);
6309 static int nl80211_reload_regdb(struct sk_buff *skb, struct genl_info *info)
6311 return reg_reload_regdb();
6314 static int nl80211_get_mesh_config(struct sk_buff *skb,
6315 struct genl_info *info)
6317 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6318 struct net_device *dev = info->user_ptr[1];
6319 struct wireless_dev *wdev = dev->ieee80211_ptr;
6320 struct mesh_config cur_params;
6323 struct nlattr *pinfoattr;
6324 struct sk_buff *msg;
6326 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
6329 if (!rdev->ops->get_mesh_config)
6333 /* If not connected, get default parameters */
6334 if (!wdev->mesh_id_len)
6335 memcpy(&cur_params, &default_mesh_config, sizeof(cur_params));
6337 err = rdev_get_mesh_config(rdev, dev, &cur_params);
6343 /* Draw up a netlink message to send back */
6344 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6347 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
6348 NL80211_CMD_GET_MESH_CONFIG);
6351 pinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_MESH_CONFIG);
6353 goto nla_put_failure;
6354 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
6355 nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT,
6356 cur_params.dot11MeshRetryTimeout) ||
6357 nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT,
6358 cur_params.dot11MeshConfirmTimeout) ||
6359 nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT,
6360 cur_params.dot11MeshHoldingTimeout) ||
6361 nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
6362 cur_params.dot11MeshMaxPeerLinks) ||
6363 nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES,
6364 cur_params.dot11MeshMaxRetries) ||
6365 nla_put_u8(msg, NL80211_MESHCONF_TTL,
6366 cur_params.dot11MeshTTL) ||
6367 nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL,
6368 cur_params.element_ttl) ||
6369 nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
6370 cur_params.auto_open_plinks) ||
6371 nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
6372 cur_params.dot11MeshNbrOffsetMaxNeighbor) ||
6373 nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
6374 cur_params.dot11MeshHWMPmaxPREQretries) ||
6375 nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME,
6376 cur_params.path_refresh_time) ||
6377 nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
6378 cur_params.min_discovery_timeout) ||
6379 nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
6380 cur_params.dot11MeshHWMPactivePathTimeout) ||
6381 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
6382 cur_params.dot11MeshHWMPpreqMinInterval) ||
6383 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
6384 cur_params.dot11MeshHWMPperrMinInterval) ||
6385 nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
6386 cur_params.dot11MeshHWMPnetDiameterTraversalTime) ||
6387 nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE,
6388 cur_params.dot11MeshHWMPRootMode) ||
6389 nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL,
6390 cur_params.dot11MeshHWMPRannInterval) ||
6391 nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
6392 cur_params.dot11MeshGateAnnouncementProtocol) ||
6393 nla_put_u8(msg, NL80211_MESHCONF_FORWARDING,
6394 cur_params.dot11MeshForwarding) ||
6395 nla_put_s32(msg, NL80211_MESHCONF_RSSI_THRESHOLD,
6396 cur_params.rssi_threshold) ||
6397 nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE,
6398 cur_params.ht_opmode) ||
6399 nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
6400 cur_params.dot11MeshHWMPactivePathToRootTimeout) ||
6401 nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
6402 cur_params.dot11MeshHWMProotInterval) ||
6403 nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
6404 cur_params.dot11MeshHWMPconfirmationInterval) ||
6405 nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE,
6406 cur_params.power_mode) ||
6407 nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW,
6408 cur_params.dot11MeshAwakeWindowDuration) ||
6409 nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT,
6410 cur_params.plink_timeout) ||
6411 nla_put_u8(msg, NL80211_MESHCONF_CONNECTED_TO_GATE,
6412 cur_params.dot11MeshConnectedToMeshGate))
6413 goto nla_put_failure;
6414 nla_nest_end(msg, pinfoattr);
6415 genlmsg_end(msg, hdr);
6416 return genlmsg_reply(msg, info);
6424 static const struct nla_policy
6425 nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = {
6426 [NL80211_MESHCONF_RETRY_TIMEOUT] =
6427 NLA_POLICY_RANGE(NLA_U16, 1, 255),
6428 [NL80211_MESHCONF_CONFIRM_TIMEOUT] =
6429 NLA_POLICY_RANGE(NLA_U16, 1, 255),
6430 [NL80211_MESHCONF_HOLDING_TIMEOUT] =
6431 NLA_POLICY_RANGE(NLA_U16, 1, 255),
6432 [NL80211_MESHCONF_MAX_PEER_LINKS] =
6433 NLA_POLICY_RANGE(NLA_U16, 0, 255),
6434 [NL80211_MESHCONF_MAX_RETRIES] = NLA_POLICY_MAX(NLA_U8, 16),
6435 [NL80211_MESHCONF_TTL] = NLA_POLICY_MIN(NLA_U8, 1),
6436 [NL80211_MESHCONF_ELEMENT_TTL] = NLA_POLICY_MIN(NLA_U8, 1),
6437 [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = NLA_POLICY_MAX(NLA_U8, 1),
6438 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] =
6439 NLA_POLICY_RANGE(NLA_U32, 1, 255),
6440 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 },
6441 [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 },
6442 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = NLA_POLICY_MIN(NLA_U16, 1),
6443 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 },
6444 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] =
6445 NLA_POLICY_MIN(NLA_U16, 1),
6446 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] =
6447 NLA_POLICY_MIN(NLA_U16, 1),
6448 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] =
6449 NLA_POLICY_MIN(NLA_U16, 1),
6450 [NL80211_MESHCONF_HWMP_ROOTMODE] = NLA_POLICY_MAX(NLA_U8, 4),
6451 [NL80211_MESHCONF_HWMP_RANN_INTERVAL] =
6452 NLA_POLICY_MIN(NLA_U16, 1),
6453 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = NLA_POLICY_MAX(NLA_U8, 1),
6454 [NL80211_MESHCONF_FORWARDING] = NLA_POLICY_MAX(NLA_U8, 1),
6455 [NL80211_MESHCONF_RSSI_THRESHOLD] =
6456 NLA_POLICY_RANGE(NLA_S32, -255, 0),
6457 [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 },
6458 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 },
6459 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] =
6460 NLA_POLICY_MIN(NLA_U16, 1),
6461 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] =
6462 NLA_POLICY_MIN(NLA_U16, 1),
6463 [NL80211_MESHCONF_POWER_MODE] =
6464 NLA_POLICY_RANGE(NLA_U32,
6465 NL80211_MESH_POWER_ACTIVE,
6466 NL80211_MESH_POWER_MAX),
6467 [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 },
6468 [NL80211_MESHCONF_PLINK_TIMEOUT] = { .type = NLA_U32 },
6469 [NL80211_MESHCONF_CONNECTED_TO_GATE] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
6472 static const struct nla_policy
6473 nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = {
6474 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 },
6475 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 },
6476 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 },
6477 [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG },
6478 [NL80211_MESH_SETUP_AUTH_PROTOCOL] = { .type = NLA_U8 },
6479 [NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG },
6480 [NL80211_MESH_SETUP_IE] =
6481 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
6482 IEEE80211_MAX_DATA_LEN),
6483 [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG },
6486 static int nl80211_parse_mesh_config(struct genl_info *info,
6487 struct mesh_config *cfg,
6490 struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1];
6494 #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, mask, attr, fn) \
6497 cfg->param = fn(tb[attr]); \
6498 mask |= BIT((attr) - 1); \
6502 if (!info->attrs[NL80211_ATTR_MESH_CONFIG])
6504 if (nla_parse_nested_deprecated(tb, NL80211_MESHCONF_ATTR_MAX, info->attrs[NL80211_ATTR_MESH_CONFIG], nl80211_meshconf_params_policy, info->extack))
6507 /* This makes sure that there aren't more than 32 mesh config
6508 * parameters (otherwise our bitfield scheme would not work.) */
6509 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32);
6511 /* Fill in the params struct */
6512 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, mask,
6513 NL80211_MESHCONF_RETRY_TIMEOUT, nla_get_u16);
6514 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, mask,
6515 NL80211_MESHCONF_CONFIRM_TIMEOUT,
6517 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, mask,
6518 NL80211_MESHCONF_HOLDING_TIMEOUT,
6520 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, mask,
6521 NL80211_MESHCONF_MAX_PEER_LINKS,
6523 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, mask,
6524 NL80211_MESHCONF_MAX_RETRIES, nla_get_u8);
6525 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, mask,
6526 NL80211_MESHCONF_TTL, nla_get_u8);
6527 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, mask,
6528 NL80211_MESHCONF_ELEMENT_TTL, nla_get_u8);
6529 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, mask,
6530 NL80211_MESHCONF_AUTO_OPEN_PLINKS,
6532 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor,
6534 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
6536 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, mask,
6537 NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
6539 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, mask,
6540 NL80211_MESHCONF_PATH_REFRESH_TIME,
6542 if (mask & BIT(NL80211_MESHCONF_PATH_REFRESH_TIME) &&
6543 (cfg->path_refresh_time < 1 || cfg->path_refresh_time > 65535))
6545 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, mask,
6546 NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
6548 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout,
6550 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
6552 if (mask & BIT(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT) &&
6553 (cfg->dot11MeshHWMPactivePathTimeout < 1 ||
6554 cfg->dot11MeshHWMPactivePathTimeout > 65535))
6556 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, mask,
6557 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
6559 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval, mask,
6560 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
6562 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
6563 dot11MeshHWMPnetDiameterTraversalTime, mask,
6564 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
6566 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, mask,
6567 NL80211_MESHCONF_HWMP_ROOTMODE, nla_get_u8);
6568 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, mask,
6569 NL80211_MESHCONF_HWMP_RANN_INTERVAL,
6571 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshGateAnnouncementProtocol,
6572 mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
6574 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, mask,
6575 NL80211_MESHCONF_FORWARDING, nla_get_u8);
6576 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, mask,
6577 NL80211_MESHCONF_RSSI_THRESHOLD,
6579 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConnectedToMeshGate, mask,
6580 NL80211_MESHCONF_CONNECTED_TO_GATE,
6583 * Check HT operation mode based on
6584 * IEEE 802.11-2016 9.4.2.57 HT Operation element.
6586 if (tb[NL80211_MESHCONF_HT_OPMODE]) {
6587 ht_opmode = nla_get_u16(tb[NL80211_MESHCONF_HT_OPMODE]);
6589 if (ht_opmode & ~(IEEE80211_HT_OP_MODE_PROTECTION |
6590 IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT |
6591 IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT))
6594 /* NON_HT_STA bit is reserved, but some programs set it */
6595 ht_opmode &= ~IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT;
6597 cfg->ht_opmode = ht_opmode;
6598 mask |= (1 << (NL80211_MESHCONF_HT_OPMODE - 1));
6600 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
6601 dot11MeshHWMPactivePathToRootTimeout, mask,
6602 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
6604 if (mask & BIT(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT) &&
6605 (cfg->dot11MeshHWMPactivePathToRootTimeout < 1 ||
6606 cfg->dot11MeshHWMPactivePathToRootTimeout > 65535))
6608 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, mask,
6609 NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
6611 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPconfirmationInterval,
6613 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
6615 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode, mask,
6616 NL80211_MESHCONF_POWER_MODE, nla_get_u32);
6617 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration, mask,
6618 NL80211_MESHCONF_AWAKE_WINDOW, nla_get_u16);
6619 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, plink_timeout, mask,
6620 NL80211_MESHCONF_PLINK_TIMEOUT, nla_get_u32);
6626 #undef FILL_IN_MESH_PARAM_IF_SET
6629 static int nl80211_parse_mesh_setup(struct genl_info *info,
6630 struct mesh_setup *setup)
6632 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6633 struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1];
6635 if (!info->attrs[NL80211_ATTR_MESH_SETUP])
6637 if (nla_parse_nested_deprecated(tb, NL80211_MESH_SETUP_ATTR_MAX, info->attrs[NL80211_ATTR_MESH_SETUP], nl80211_mesh_setup_params_policy, info->extack))
6640 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])
6641 setup->sync_method =
6642 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ?
6643 IEEE80211_SYNC_METHOD_VENDOR :
6644 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET;
6646 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])
6647 setup->path_sel_proto =
6648 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ?
6649 IEEE80211_PATH_PROTOCOL_VENDOR :
6650 IEEE80211_PATH_PROTOCOL_HWMP;
6652 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])
6653 setup->path_metric =
6654 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ?
6655 IEEE80211_PATH_METRIC_VENDOR :
6656 IEEE80211_PATH_METRIC_AIRTIME;
6658 if (tb[NL80211_MESH_SETUP_IE]) {
6659 struct nlattr *ieattr =
6660 tb[NL80211_MESH_SETUP_IE];
6661 setup->ie = nla_data(ieattr);
6662 setup->ie_len = nla_len(ieattr);
6664 if (tb[NL80211_MESH_SETUP_USERSPACE_MPM] &&
6665 !(rdev->wiphy.features & NL80211_FEATURE_USERSPACE_MPM))
6667 setup->user_mpm = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_MPM]);
6668 setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]);
6669 setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]);
6670 if (setup->is_secure)
6671 setup->user_mpm = true;
6673 if (tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]) {
6674 if (!setup->user_mpm)
6677 nla_get_u8(tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]);
6683 static int nl80211_update_mesh_config(struct sk_buff *skb,
6684 struct genl_info *info)
6686 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6687 struct net_device *dev = info->user_ptr[1];
6688 struct wireless_dev *wdev = dev->ieee80211_ptr;
6689 struct mesh_config cfg;
6693 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
6696 if (!rdev->ops->update_mesh_config)
6699 err = nl80211_parse_mesh_config(info, &cfg, &mask);
6704 if (!wdev->mesh_id_len)
6708 err = rdev_update_mesh_config(rdev, dev, mask, &cfg);
6715 static int nl80211_put_regdom(const struct ieee80211_regdomain *regdom,
6716 struct sk_buff *msg)
6718 struct nlattr *nl_reg_rules;
6721 if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, regdom->alpha2) ||
6722 (regdom->dfs_region &&
6723 nla_put_u8(msg, NL80211_ATTR_DFS_REGION, regdom->dfs_region)))
6724 goto nla_put_failure;
6726 nl_reg_rules = nla_nest_start_noflag(msg, NL80211_ATTR_REG_RULES);
6728 goto nla_put_failure;
6730 for (i = 0; i < regdom->n_reg_rules; i++) {
6731 struct nlattr *nl_reg_rule;
6732 const struct ieee80211_reg_rule *reg_rule;
6733 const struct ieee80211_freq_range *freq_range;
6734 const struct ieee80211_power_rule *power_rule;
6735 unsigned int max_bandwidth_khz;
6737 reg_rule = ®dom->reg_rules[i];
6738 freq_range = ®_rule->freq_range;
6739 power_rule = ®_rule->power_rule;
6741 nl_reg_rule = nla_nest_start_noflag(msg, i);
6743 goto nla_put_failure;
6745 max_bandwidth_khz = freq_range->max_bandwidth_khz;
6746 if (!max_bandwidth_khz)
6747 max_bandwidth_khz = reg_get_max_bandwidth(regdom,
6750 if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS,
6752 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START,
6753 freq_range->start_freq_khz) ||
6754 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END,
6755 freq_range->end_freq_khz) ||
6756 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW,
6757 max_bandwidth_khz) ||
6758 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN,
6759 power_rule->max_antenna_gain) ||
6760 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP,
6761 power_rule->max_eirp) ||
6762 nla_put_u32(msg, NL80211_ATTR_DFS_CAC_TIME,
6763 reg_rule->dfs_cac_ms))
6764 goto nla_put_failure;
6766 nla_nest_end(msg, nl_reg_rule);
6769 nla_nest_end(msg, nl_reg_rules);
6776 static int nl80211_get_reg_do(struct sk_buff *skb, struct genl_info *info)
6778 const struct ieee80211_regdomain *regdom = NULL;
6779 struct cfg80211_registered_device *rdev;
6780 struct wiphy *wiphy = NULL;
6781 struct sk_buff *msg;
6784 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6788 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
6789 NL80211_CMD_GET_REG);
6793 if (info->attrs[NL80211_ATTR_WIPHY]) {
6796 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
6799 return PTR_ERR(rdev);
6802 wiphy = &rdev->wiphy;
6803 self_managed = wiphy->regulatory_flags &
6804 REGULATORY_WIPHY_SELF_MANAGED;
6805 regdom = get_wiphy_regdom(wiphy);
6807 /* a self-managed-reg device must have a private regdom */
6808 if (WARN_ON(!regdom && self_managed)) {
6814 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
6815 goto nla_put_failure;
6818 if (!wiphy && reg_last_request_cell_base() &&
6819 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
6820 NL80211_USER_REG_HINT_CELL_BASE))
6821 goto nla_put_failure;
6826 regdom = rcu_dereference(cfg80211_regdomain);
6828 if (nl80211_put_regdom(regdom, msg))
6829 goto nla_put_failure_rcu;
6833 genlmsg_end(msg, hdr);
6834 return genlmsg_reply(msg, info);
6836 nla_put_failure_rcu:
6844 static int nl80211_send_regdom(struct sk_buff *msg, struct netlink_callback *cb,
6845 u32 seq, int flags, struct wiphy *wiphy,
6846 const struct ieee80211_regdomain *regdom)
6848 void *hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
6849 NL80211_CMD_GET_REG);
6854 genl_dump_check_consistent(cb, hdr);
6856 if (nl80211_put_regdom(regdom, msg))
6857 goto nla_put_failure;
6859 if (!wiphy && reg_last_request_cell_base() &&
6860 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
6861 NL80211_USER_REG_HINT_CELL_BASE))
6862 goto nla_put_failure;
6865 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
6866 goto nla_put_failure;
6868 if (wiphy && wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
6869 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
6870 goto nla_put_failure;
6872 genlmsg_end(msg, hdr);
6876 genlmsg_cancel(msg, hdr);
6880 static int nl80211_get_reg_dump(struct sk_buff *skb,
6881 struct netlink_callback *cb)
6883 const struct ieee80211_regdomain *regdom = NULL;
6884 struct cfg80211_registered_device *rdev;
6885 int err, reg_idx, start = cb->args[2];
6889 if (cfg80211_regdomain && start == 0) {
6890 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
6892 rtnl_dereference(cfg80211_regdomain));
6897 /* the global regdom is idx 0 */
6899 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
6900 regdom = get_wiphy_regdom(&rdev->wiphy);
6904 if (++reg_idx <= start)
6907 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
6908 NLM_F_MULTI, &rdev->wiphy, regdom);
6915 cb->args[2] = reg_idx;
6922 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
6923 static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = {
6924 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
6925 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
6926 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
6927 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
6928 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
6929 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
6930 [NL80211_ATTR_DFS_CAC_TIME] = { .type = NLA_U32 },
6933 static int parse_reg_rule(struct nlattr *tb[],
6934 struct ieee80211_reg_rule *reg_rule)
6936 struct ieee80211_freq_range *freq_range = ®_rule->freq_range;
6937 struct ieee80211_power_rule *power_rule = ®_rule->power_rule;
6939 if (!tb[NL80211_ATTR_REG_RULE_FLAGS])
6941 if (!tb[NL80211_ATTR_FREQ_RANGE_START])
6943 if (!tb[NL80211_ATTR_FREQ_RANGE_END])
6945 if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW])
6947 if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP])
6950 reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]);
6952 freq_range->start_freq_khz =
6953 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]);
6954 freq_range->end_freq_khz =
6955 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]);
6956 freq_range->max_bandwidth_khz =
6957 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]);
6959 power_rule->max_eirp =
6960 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]);
6962 if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN])
6963 power_rule->max_antenna_gain =
6964 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]);
6966 if (tb[NL80211_ATTR_DFS_CAC_TIME])
6967 reg_rule->dfs_cac_ms =
6968 nla_get_u32(tb[NL80211_ATTR_DFS_CAC_TIME]);
6973 static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info)
6975 struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1];
6976 struct nlattr *nl_reg_rule;
6978 int rem_reg_rules, r;
6979 u32 num_rules = 0, rule_idx = 0;
6980 enum nl80211_dfs_regions dfs_region = NL80211_DFS_UNSET;
6981 struct ieee80211_regdomain *rd;
6983 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
6986 if (!info->attrs[NL80211_ATTR_REG_RULES])
6989 alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
6991 if (info->attrs[NL80211_ATTR_DFS_REGION])
6992 dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]);
6994 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
6997 if (num_rules > NL80211_MAX_SUPP_REG_RULES)
7001 if (!reg_is_valid_request(alpha2))
7004 rd = kzalloc(struct_size(rd, reg_rules, num_rules), GFP_KERNEL);
7008 rd->n_reg_rules = num_rules;
7009 rd->alpha2[0] = alpha2[0];
7010 rd->alpha2[1] = alpha2[1];
7013 * Disable DFS master mode if the DFS region was
7014 * not supported or known on this kernel.
7016 if (reg_supported_dfs_region(dfs_region))
7017 rd->dfs_region = dfs_region;
7019 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
7021 r = nla_parse_nested_deprecated(tb, NL80211_REG_RULE_ATTR_MAX,
7022 nl_reg_rule, reg_rule_policy,
7026 r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]);
7032 if (rule_idx > NL80211_MAX_SUPP_REG_RULES) {
7038 /* set_regdom takes ownership of rd */
7039 return set_regdom(rd, REGD_SOURCE_CRDA);
7044 #endif /* CONFIG_CFG80211_CRDA_SUPPORT */
7046 static int validate_scan_freqs(struct nlattr *freqs)
7048 struct nlattr *attr1, *attr2;
7049 int n_channels = 0, tmp1, tmp2;
7051 nla_for_each_nested(attr1, freqs, tmp1)
7052 if (nla_len(attr1) != sizeof(u32))
7055 nla_for_each_nested(attr1, freqs, tmp1) {
7058 * Some hardware has a limited channel list for
7059 * scanning, and it is pretty much nonsensical
7060 * to scan for a channel twice, so disallow that
7061 * and don't require drivers to check that the
7062 * channel list they get isn't longer than what
7063 * they can scan, as long as they can scan all
7064 * the channels they registered at once.
7066 nla_for_each_nested(attr2, freqs, tmp2)
7067 if (attr1 != attr2 &&
7068 nla_get_u32(attr1) == nla_get_u32(attr2))
7075 static bool is_band_valid(struct wiphy *wiphy, enum nl80211_band b)
7077 return b < NUM_NL80211_BANDS && wiphy->bands[b];
7080 static int parse_bss_select(struct nlattr *nla, struct wiphy *wiphy,
7081 struct cfg80211_bss_selection *bss_select)
7083 struct nlattr *attr[NL80211_BSS_SELECT_ATTR_MAX + 1];
7084 struct nlattr *nest;
7089 /* only process one nested attribute */
7090 nest = nla_data(nla);
7091 if (!nla_ok(nest, nla_len(nest)))
7094 err = nla_parse_nested_deprecated(attr, NL80211_BSS_SELECT_ATTR_MAX,
7095 nest, nl80211_bss_select_policy,
7100 /* only one attribute may be given */
7101 for (i = 0; i <= NL80211_BSS_SELECT_ATTR_MAX; i++) {
7109 bss_select->behaviour = __NL80211_BSS_SELECT_ATTR_INVALID;
7111 if (attr[NL80211_BSS_SELECT_ATTR_RSSI])
7112 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI;
7114 if (attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]) {
7115 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_BAND_PREF;
7116 bss_select->param.band_pref =
7117 nla_get_u32(attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]);
7118 if (!is_band_valid(wiphy, bss_select->param.band_pref))
7122 if (attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]) {
7123 struct nl80211_bss_select_rssi_adjust *adj_param;
7125 adj_param = nla_data(attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]);
7126 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI_ADJUST;
7127 bss_select->param.adjust.band = adj_param->band;
7128 bss_select->param.adjust.delta = adj_param->delta;
7129 if (!is_band_valid(wiphy, bss_select->param.adjust.band))
7133 /* user-space did not provide behaviour attribute */
7134 if (bss_select->behaviour == __NL80211_BSS_SELECT_ATTR_INVALID)
7137 if (!(wiphy->bss_select_support & BIT(bss_select->behaviour)))
7143 int nl80211_parse_random_mac(struct nlattr **attrs,
7144 u8 *mac_addr, u8 *mac_addr_mask)
7148 if (!attrs[NL80211_ATTR_MAC] && !attrs[NL80211_ATTR_MAC_MASK]) {
7149 eth_zero_addr(mac_addr);
7150 eth_zero_addr(mac_addr_mask);
7152 mac_addr_mask[0] = 0x3;
7157 /* need both or none */
7158 if (!attrs[NL80211_ATTR_MAC] || !attrs[NL80211_ATTR_MAC_MASK])
7161 memcpy(mac_addr, nla_data(attrs[NL80211_ATTR_MAC]), ETH_ALEN);
7162 memcpy(mac_addr_mask, nla_data(attrs[NL80211_ATTR_MAC_MASK]), ETH_ALEN);
7164 /* don't allow or configure an mcast address */
7165 if (!is_multicast_ether_addr(mac_addr_mask) ||
7166 is_multicast_ether_addr(mac_addr))
7170 * allow users to pass a MAC address that has bits set outside
7171 * of the mask, but don't bother drivers with having to deal
7174 for (i = 0; i < ETH_ALEN; i++)
7175 mac_addr[i] &= mac_addr_mask[i];
7180 static bool cfg80211_off_channel_oper_allowed(struct wireless_dev *wdev)
7182 ASSERT_WDEV_LOCK(wdev);
7184 if (!cfg80211_beaconing_iface_active(wdev))
7187 if (!(wdev->chandef.chan->flags & IEEE80211_CHAN_RADAR))
7190 return regulatory_pre_cac_allowed(wdev->wiphy);
7193 static bool nl80211_check_scan_feat(struct wiphy *wiphy, u32 flags, u32 flag,
7194 enum nl80211_ext_feature_index feat)
7196 if (!(flags & flag))
7198 if (wiphy_ext_feature_isset(wiphy, feat))
7204 nl80211_check_scan_flags(struct wiphy *wiphy, struct wireless_dev *wdev,
7205 void *request, struct nlattr **attrs,
7208 u8 *mac_addr, *mac_addr_mask;
7210 enum nl80211_feature_flags randomness_flag;
7212 if (!attrs[NL80211_ATTR_SCAN_FLAGS])
7215 if (is_sched_scan) {
7216 struct cfg80211_sched_scan_request *req = request;
7218 randomness_flag = wdev ?
7219 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR :
7220 NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
7221 flags = &req->flags;
7222 mac_addr = req->mac_addr;
7223 mac_addr_mask = req->mac_addr_mask;
7225 struct cfg80211_scan_request *req = request;
7227 randomness_flag = NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;
7228 flags = &req->flags;
7229 mac_addr = req->mac_addr;
7230 mac_addr_mask = req->mac_addr_mask;
7233 *flags = nla_get_u32(attrs[NL80211_ATTR_SCAN_FLAGS]);
7235 if (((*flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
7236 !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) ||
7237 !nl80211_check_scan_feat(wiphy, *flags,
7238 NL80211_SCAN_FLAG_LOW_SPAN,
7239 NL80211_EXT_FEATURE_LOW_SPAN_SCAN) ||
7240 !nl80211_check_scan_feat(wiphy, *flags,
7241 NL80211_SCAN_FLAG_LOW_POWER,
7242 NL80211_EXT_FEATURE_LOW_POWER_SCAN) ||
7243 !nl80211_check_scan_feat(wiphy, *flags,
7244 NL80211_SCAN_FLAG_HIGH_ACCURACY,
7245 NL80211_EXT_FEATURE_HIGH_ACCURACY_SCAN) ||
7246 !nl80211_check_scan_feat(wiphy, *flags,
7247 NL80211_SCAN_FLAG_FILS_MAX_CHANNEL_TIME,
7248 NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME) ||
7249 !nl80211_check_scan_feat(wiphy, *flags,
7250 NL80211_SCAN_FLAG_ACCEPT_BCAST_PROBE_RESP,
7251 NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP) ||
7252 !nl80211_check_scan_feat(wiphy, *flags,
7253 NL80211_SCAN_FLAG_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION,
7254 NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION) ||
7255 !nl80211_check_scan_feat(wiphy, *flags,
7256 NL80211_SCAN_FLAG_OCE_PROBE_REQ_HIGH_TX_RATE,
7257 NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE) ||
7258 !nl80211_check_scan_feat(wiphy, *flags,
7259 NL80211_SCAN_FLAG_RANDOM_SN,
7260 NL80211_EXT_FEATURE_SCAN_RANDOM_SN) ||
7261 !nl80211_check_scan_feat(wiphy, *flags,
7262 NL80211_SCAN_FLAG_MIN_PREQ_CONTENT,
7263 NL80211_EXT_FEATURE_SCAN_MIN_PREQ_CONTENT))
7266 if (*flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
7269 if (!(wiphy->features & randomness_flag) ||
7270 (wdev && wdev->current_bss))
7273 err = nl80211_parse_random_mac(attrs, mac_addr, mac_addr_mask);
7281 static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
7283 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7284 struct wireless_dev *wdev = info->user_ptr[1];
7285 struct cfg80211_scan_request *request;
7286 struct nlattr *attr;
7287 struct wiphy *wiphy;
7288 int err, tmp, n_ssids = 0, n_channels, i;
7291 wiphy = &rdev->wiphy;
7293 if (wdev->iftype == NL80211_IFTYPE_NAN)
7296 if (!rdev->ops->scan)
7299 if (rdev->scan_req || rdev->scan_msg) {
7304 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
7305 n_channels = validate_scan_freqs(
7306 info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
7312 n_channels = ieee80211_get_num_supported_channels(wiphy);
7315 if (info->attrs[NL80211_ATTR_SCAN_SSIDS])
7316 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp)
7319 if (n_ssids > wiphy->max_scan_ssids) {
7324 if (info->attrs[NL80211_ATTR_IE])
7325 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
7329 if (ie_len > wiphy->max_scan_ie_len) {
7334 request = kzalloc(sizeof(*request)
7335 + sizeof(*request->ssids) * n_ssids
7336 + sizeof(*request->channels) * n_channels
7337 + ie_len, GFP_KERNEL);
7344 request->ssids = (void *)&request->channels[n_channels];
7345 request->n_ssids = n_ssids;
7348 request->ie = (void *)(request->ssids + n_ssids);
7350 request->ie = (void *)(request->channels + n_channels);
7354 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
7355 /* user specified, bail out if channel not found */
7356 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) {
7357 struct ieee80211_channel *chan;
7359 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
7366 /* ignore disabled channels */
7367 if (chan->flags & IEEE80211_CHAN_DISABLED)
7370 request->channels[i] = chan;
7374 enum nl80211_band band;
7377 for (band = 0; band < NUM_NL80211_BANDS; band++) {
7380 if (!wiphy->bands[band])
7382 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
7383 struct ieee80211_channel *chan;
7385 chan = &wiphy->bands[band]->channels[j];
7387 if (chan->flags & IEEE80211_CHAN_DISABLED)
7390 request->channels[i] = chan;
7401 request->n_channels = i;
7404 if (!cfg80211_off_channel_oper_allowed(wdev)) {
7405 struct ieee80211_channel *chan;
7407 if (request->n_channels != 1) {
7413 chan = request->channels[0];
7414 if (chan->center_freq != wdev->chandef.chan->center_freq) {
7424 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) {
7425 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
7429 request->ssids[i].ssid_len = nla_len(attr);
7430 memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr));
7435 if (info->attrs[NL80211_ATTR_IE]) {
7436 request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
7437 memcpy((void *)request->ie,
7438 nla_data(info->attrs[NL80211_ATTR_IE]),
7442 for (i = 0; i < NUM_NL80211_BANDS; i++)
7443 if (wiphy->bands[i])
7445 (1 << wiphy->bands[i]->n_bitrates) - 1;
7447 if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) {
7448 nla_for_each_nested(attr,
7449 info->attrs[NL80211_ATTR_SCAN_SUPP_RATES],
7451 enum nl80211_band band = nla_type(attr);
7453 if (band < 0 || band >= NUM_NL80211_BANDS) {
7458 if (!wiphy->bands[band])
7461 err = ieee80211_get_ratemask(wiphy->bands[band],
7464 &request->rates[band]);
7470 if (info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]) {
7471 if (!wiphy_ext_feature_isset(wiphy,
7472 NL80211_EXT_FEATURE_SET_SCAN_DWELL)) {
7478 nla_get_u16(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]);
7479 request->duration_mandatory =
7480 nla_get_flag(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY]);
7483 err = nl80211_check_scan_flags(wiphy, wdev, request, info->attrs,
7489 nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
7491 /* Initial implementation used NL80211_ATTR_MAC to set the specific
7492 * BSSID to scan for. This was problematic because that same attribute
7493 * was already used for another purpose (local random MAC address). The
7494 * NL80211_ATTR_BSSID attribute was added to fix this. For backwards
7495 * compatibility with older userspace components, also use the
7496 * NL80211_ATTR_MAC value here if it can be determined to be used for
7497 * the specific BSSID use case instead of the random MAC address
7498 * (NL80211_ATTR_SCAN_FLAGS is used to enable random MAC address use).
7500 if (info->attrs[NL80211_ATTR_BSSID])
7501 memcpy(request->bssid,
7502 nla_data(info->attrs[NL80211_ATTR_BSSID]), ETH_ALEN);
7503 else if (!(request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) &&
7504 info->attrs[NL80211_ATTR_MAC])
7505 memcpy(request->bssid, nla_data(info->attrs[NL80211_ATTR_MAC]),
7508 eth_broadcast_addr(request->bssid);
7510 request->wdev = wdev;
7511 request->wiphy = &rdev->wiphy;
7512 request->scan_start = jiffies;
7514 rdev->scan_req = request;
7515 err = rdev_scan(rdev, request);
7518 nl80211_send_scan_start(rdev, wdev);
7520 dev_hold(wdev->netdev);
7523 rdev->scan_req = NULL;
7531 static int nl80211_abort_scan(struct sk_buff *skb, struct genl_info *info)
7533 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7534 struct wireless_dev *wdev = info->user_ptr[1];
7536 if (!rdev->ops->abort_scan)
7542 if (!rdev->scan_req)
7545 rdev_abort_scan(rdev, wdev);
7550 nl80211_parse_sched_scan_plans(struct wiphy *wiphy, int n_plans,
7551 struct cfg80211_sched_scan_request *request,
7552 struct nlattr **attrs)
7554 int tmp, err, i = 0;
7555 struct nlattr *attr;
7557 if (!attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
7561 * If scan plans are not specified,
7562 * %NL80211_ATTR_SCHED_SCAN_INTERVAL will be specified. In this
7563 * case one scan plan will be set with the specified scan
7564 * interval and infinite number of iterations.
7566 interval = nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]);
7570 request->scan_plans[0].interval =
7571 DIV_ROUND_UP(interval, MSEC_PER_SEC);
7572 if (!request->scan_plans[0].interval)
7575 if (request->scan_plans[0].interval >
7576 wiphy->max_sched_scan_plan_interval)
7577 request->scan_plans[0].interval =
7578 wiphy->max_sched_scan_plan_interval;
7583 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp) {
7584 struct nlattr *plan[NL80211_SCHED_SCAN_PLAN_MAX + 1];
7586 if (WARN_ON(i >= n_plans))
7589 err = nla_parse_nested_deprecated(plan,
7590 NL80211_SCHED_SCAN_PLAN_MAX,
7591 attr, nl80211_plan_policy,
7596 if (!plan[NL80211_SCHED_SCAN_PLAN_INTERVAL])
7599 request->scan_plans[i].interval =
7600 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_INTERVAL]);
7601 if (!request->scan_plans[i].interval ||
7602 request->scan_plans[i].interval >
7603 wiphy->max_sched_scan_plan_interval)
7606 if (plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]) {
7607 request->scan_plans[i].iterations =
7608 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]);
7609 if (!request->scan_plans[i].iterations ||
7610 (request->scan_plans[i].iterations >
7611 wiphy->max_sched_scan_plan_iterations))
7613 } else if (i < n_plans - 1) {
7615 * All scan plans but the last one must specify
7616 * a finite number of iterations
7625 * The last scan plan must not specify the number of
7626 * iterations, it is supposed to run infinitely
7628 if (request->scan_plans[n_plans - 1].iterations)
7635 nl80211_parse_sched_scan_per_band_rssi(struct wiphy *wiphy,
7636 struct cfg80211_match_set *match_sets,
7637 struct nlattr *tb_band_rssi,
7640 struct nlattr *attr;
7641 int i, tmp, ret = 0;
7643 if (!wiphy_ext_feature_isset(wiphy,
7644 NL80211_EXT_FEATURE_SCHED_SCAN_BAND_SPECIFIC_RSSI_THOLD)) {
7648 for (i = 0; i < NUM_NL80211_BANDS; i++)
7649 match_sets->per_band_rssi_thold[i] =
7650 NL80211_SCAN_RSSI_THOLD_OFF;
7654 for (i = 0; i < NUM_NL80211_BANDS; i++)
7655 match_sets->per_band_rssi_thold[i] = rssi_thold;
7657 nla_for_each_nested(attr, tb_band_rssi, tmp) {
7658 enum nl80211_band band = nla_type(attr);
7660 if (band < 0 || band >= NUM_NL80211_BANDS)
7663 match_sets->per_band_rssi_thold[band] = nla_get_s32(attr);
7669 static struct cfg80211_sched_scan_request *
7670 nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev,
7671 struct nlattr **attrs, int max_match_sets)
7673 struct cfg80211_sched_scan_request *request;
7674 struct nlattr *attr;
7675 int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i, n_plans = 0;
7676 enum nl80211_band band;
7678 struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1];
7679 s32 default_match_rssi = NL80211_SCAN_RSSI_THOLD_OFF;
7681 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
7682 n_channels = validate_scan_freqs(
7683 attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
7685 return ERR_PTR(-EINVAL);
7687 n_channels = ieee80211_get_num_supported_channels(wiphy);
7690 if (attrs[NL80211_ATTR_SCAN_SSIDS])
7691 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
7695 if (n_ssids > wiphy->max_sched_scan_ssids)
7696 return ERR_PTR(-EINVAL);
7699 * First, count the number of 'real' matchsets. Due to an issue with
7700 * the old implementation, matchsets containing only the RSSI attribute
7701 * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default'
7702 * RSSI for all matchsets, rather than their own matchset for reporting
7703 * all APs with a strong RSSI. This is needed to be compatible with
7704 * older userspace that treated a matchset with only the RSSI as the
7705 * global RSSI for all other matchsets - if there are other matchsets.
7707 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
7708 nla_for_each_nested(attr,
7709 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
7711 struct nlattr *rssi;
7713 err = nla_parse_nested_deprecated(tb,
7714 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
7716 nl80211_match_policy,
7719 return ERR_PTR(err);
7721 /* SSID and BSSID are mutually exclusive */
7722 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] &&
7723 tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID])
7724 return ERR_PTR(-EINVAL);
7726 /* add other standalone attributes here */
7727 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] ||
7728 tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID]) {
7732 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
7734 default_match_rssi = nla_get_s32(rssi);
7738 /* However, if there's no other matchset, add the RSSI one */
7739 if (!n_match_sets && default_match_rssi != NL80211_SCAN_RSSI_THOLD_OFF)
7742 if (n_match_sets > max_match_sets)
7743 return ERR_PTR(-EINVAL);
7745 if (attrs[NL80211_ATTR_IE])
7746 ie_len = nla_len(attrs[NL80211_ATTR_IE]);
7750 if (ie_len > wiphy->max_sched_scan_ie_len)
7751 return ERR_PTR(-EINVAL);
7753 if (attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
7755 * NL80211_ATTR_SCHED_SCAN_INTERVAL must not be specified since
7756 * each scan plan already specifies its own interval
7758 if (attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
7759 return ERR_PTR(-EINVAL);
7761 nla_for_each_nested(attr,
7762 attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp)
7766 * The scan interval attribute is kept for backward
7767 * compatibility. If no scan plans are specified and sched scan
7768 * interval is specified, one scan plan will be set with this
7769 * scan interval and infinite number of iterations.
7771 if (!attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
7772 return ERR_PTR(-EINVAL);
7777 if (!n_plans || n_plans > wiphy->max_sched_scan_plans)
7778 return ERR_PTR(-EINVAL);
7780 if (!wiphy_ext_feature_isset(
7781 wiphy, NL80211_EXT_FEATURE_SCHED_SCAN_RELATIVE_RSSI) &&
7782 (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] ||
7783 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]))
7784 return ERR_PTR(-EINVAL);
7786 request = kzalloc(sizeof(*request)
7787 + sizeof(*request->ssids) * n_ssids
7788 + sizeof(*request->match_sets) * n_match_sets
7789 + sizeof(*request->scan_plans) * n_plans
7790 + sizeof(*request->channels) * n_channels
7791 + ie_len, GFP_KERNEL);
7793 return ERR_PTR(-ENOMEM);
7796 request->ssids = (void *)&request->channels[n_channels];
7797 request->n_ssids = n_ssids;
7800 request->ie = (void *)(request->ssids + n_ssids);
7802 request->ie = (void *)(request->channels + n_channels);
7807 request->match_sets = (void *)(request->ie + ie_len);
7809 request->match_sets =
7810 (void *)(request->ssids + n_ssids);
7812 request->match_sets =
7813 (void *)(request->channels + n_channels);
7815 request->n_match_sets = n_match_sets;
7818 request->scan_plans = (void *)(request->match_sets +
7820 else if (request->ie)
7821 request->scan_plans = (void *)(request->ie + ie_len);
7823 request->scan_plans = (void *)(request->ssids + n_ssids);
7825 request->scan_plans = (void *)(request->channels + n_channels);
7827 request->n_scan_plans = n_plans;
7830 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
7831 /* user specified, bail out if channel not found */
7832 nla_for_each_nested(attr,
7833 attrs[NL80211_ATTR_SCAN_FREQUENCIES],
7835 struct ieee80211_channel *chan;
7837 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
7844 /* ignore disabled channels */
7845 if (chan->flags & IEEE80211_CHAN_DISABLED)
7848 request->channels[i] = chan;
7853 for (band = 0; band < NUM_NL80211_BANDS; band++) {
7856 if (!wiphy->bands[band])
7858 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
7859 struct ieee80211_channel *chan;
7861 chan = &wiphy->bands[band]->channels[j];
7863 if (chan->flags & IEEE80211_CHAN_DISABLED)
7866 request->channels[i] = chan;
7877 request->n_channels = i;
7881 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
7883 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
7887 request->ssids[i].ssid_len = nla_len(attr);
7888 memcpy(request->ssids[i].ssid, nla_data(attr),
7895 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
7896 nla_for_each_nested(attr,
7897 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
7899 struct nlattr *ssid, *bssid, *rssi;
7901 err = nla_parse_nested_deprecated(tb,
7902 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
7904 nl80211_match_policy,
7908 ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID];
7909 bssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID];
7911 if (!ssid && !bssid) {
7916 if (WARN_ON(i >= n_match_sets)) {
7917 /* this indicates a programming error,
7918 * the loop above should have verified
7926 if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) {
7930 memcpy(request->match_sets[i].ssid.ssid,
7931 nla_data(ssid), nla_len(ssid));
7932 request->match_sets[i].ssid.ssid_len =
7936 if (nla_len(bssid) != ETH_ALEN) {
7940 memcpy(request->match_sets[i].bssid,
7941 nla_data(bssid), ETH_ALEN);
7944 /* special attribute - old implementation w/a */
7945 request->match_sets[i].rssi_thold = default_match_rssi;
7946 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
7948 request->match_sets[i].rssi_thold =
7951 /* Parse per band RSSI attribute */
7952 err = nl80211_parse_sched_scan_per_band_rssi(wiphy,
7953 &request->match_sets[i],
7954 tb[NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI],
7955 request->match_sets[i].rssi_thold);
7962 /* there was no other matchset, so the RSSI one is alone */
7963 if (i == 0 && n_match_sets)
7964 request->match_sets[0].rssi_thold = default_match_rssi;
7966 request->min_rssi_thold = INT_MAX;
7967 for (i = 0; i < n_match_sets; i++)
7968 request->min_rssi_thold =
7969 min(request->match_sets[i].rssi_thold,
7970 request->min_rssi_thold);
7972 request->min_rssi_thold = NL80211_SCAN_RSSI_THOLD_OFF;
7976 request->ie_len = ie_len;
7977 memcpy((void *)request->ie,
7978 nla_data(attrs[NL80211_ATTR_IE]),
7982 err = nl80211_check_scan_flags(wiphy, wdev, request, attrs, true);
7986 if (attrs[NL80211_ATTR_SCHED_SCAN_DELAY])
7988 nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_DELAY]);
7990 if (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]) {
7991 request->relative_rssi = nla_get_s8(
7992 attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]);
7993 request->relative_rssi_set = true;
7996 if (request->relative_rssi_set &&
7997 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]) {
7998 struct nl80211_bss_select_rssi_adjust *rssi_adjust;
8000 rssi_adjust = nla_data(
8001 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]);
8002 request->rssi_adjust.band = rssi_adjust->band;
8003 request->rssi_adjust.delta = rssi_adjust->delta;
8004 if (!is_band_valid(wiphy, request->rssi_adjust.band)) {
8010 err = nl80211_parse_sched_scan_plans(wiphy, n_plans, request, attrs);
8014 request->scan_start = jiffies;
8020 return ERR_PTR(err);
8023 static int nl80211_start_sched_scan(struct sk_buff *skb,
8024 struct genl_info *info)
8026 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8027 struct net_device *dev = info->user_ptr[1];
8028 struct wireless_dev *wdev = dev->ieee80211_ptr;
8029 struct cfg80211_sched_scan_request *sched_scan_req;
8033 if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_start)
8036 want_multi = info->attrs[NL80211_ATTR_SCHED_SCAN_MULTI];
8037 err = cfg80211_sched_scan_req_possible(rdev, want_multi);
8041 sched_scan_req = nl80211_parse_sched_scan(&rdev->wiphy, wdev,
8043 rdev->wiphy.max_match_sets);
8045 err = PTR_ERR_OR_ZERO(sched_scan_req);
8049 /* leave request id zero for legacy request
8050 * or if driver does not support multi-scheduled scan
8052 if (want_multi && rdev->wiphy.max_sched_scan_reqs > 1) {
8053 while (!sched_scan_req->reqid)
8054 sched_scan_req->reqid = cfg80211_assign_cookie(rdev);
8057 err = rdev_sched_scan_start(rdev, dev, sched_scan_req);
8061 sched_scan_req->dev = dev;
8062 sched_scan_req->wiphy = &rdev->wiphy;
8064 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
8065 sched_scan_req->owner_nlportid = info->snd_portid;
8067 cfg80211_add_sched_scan_req(rdev, sched_scan_req);
8069 nl80211_send_sched_scan(sched_scan_req, NL80211_CMD_START_SCHED_SCAN);
8073 kfree(sched_scan_req);
8078 static int nl80211_stop_sched_scan(struct sk_buff *skb,
8079 struct genl_info *info)
8081 struct cfg80211_sched_scan_request *req;
8082 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8085 if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_stop)
8088 if (info->attrs[NL80211_ATTR_COOKIE]) {
8089 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
8090 return __cfg80211_stop_sched_scan(rdev, cookie, false);
8093 req = list_first_or_null_rcu(&rdev->sched_scan_req_list,
8094 struct cfg80211_sched_scan_request,
8096 if (!req || req->reqid ||
8097 (req->owner_nlportid &&
8098 req->owner_nlportid != info->snd_portid))
8101 return cfg80211_stop_sched_scan_req(rdev, req, false);
8104 static int nl80211_start_radar_detection(struct sk_buff *skb,
8105 struct genl_info *info)
8107 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8108 struct net_device *dev = info->user_ptr[1];
8109 struct wireless_dev *wdev = dev->ieee80211_ptr;
8110 struct wiphy *wiphy = wdev->wiphy;
8111 struct cfg80211_chan_def chandef;
8112 enum nl80211_dfs_regions dfs_region;
8113 unsigned int cac_time_ms;
8116 dfs_region = reg_get_dfs_region(wiphy);
8117 if (dfs_region == NL80211_DFS_UNSET)
8120 err = nl80211_parse_chandef(rdev, info, &chandef);
8124 if (netif_carrier_ok(dev))
8127 if (wdev->cac_started)
8130 err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype);
8137 if (!cfg80211_chandef_dfs_usable(wiphy, &chandef))
8140 /* CAC start is offloaded to HW and can't be started manually */
8141 if (wiphy_ext_feature_isset(wiphy, NL80211_EXT_FEATURE_DFS_OFFLOAD))
8144 if (!rdev->ops->start_radar_detection)
8147 cac_time_ms = cfg80211_chandef_dfs_cac_time(&rdev->wiphy, &chandef);
8148 if (WARN_ON(!cac_time_ms))
8149 cac_time_ms = IEEE80211_DFS_MIN_CAC_TIME_MS;
8151 err = rdev_start_radar_detection(rdev, dev, &chandef, cac_time_ms);
8153 wdev->chandef = chandef;
8154 wdev->cac_started = true;
8155 wdev->cac_start_time = jiffies;
8156 wdev->cac_time_ms = cac_time_ms;
8161 static int nl80211_notify_radar_detection(struct sk_buff *skb,
8162 struct genl_info *info)
8164 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8165 struct net_device *dev = info->user_ptr[1];
8166 struct wireless_dev *wdev = dev->ieee80211_ptr;
8167 struct wiphy *wiphy = wdev->wiphy;
8168 struct cfg80211_chan_def chandef;
8169 enum nl80211_dfs_regions dfs_region;
8172 dfs_region = reg_get_dfs_region(wiphy);
8173 if (dfs_region == NL80211_DFS_UNSET) {
8174 GENL_SET_ERR_MSG(info,
8175 "DFS Region is not set. Unexpected Radar indication");
8179 err = nl80211_parse_chandef(rdev, info, &chandef);
8181 GENL_SET_ERR_MSG(info, "Unable to extract chandef info");
8185 err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype);
8187 GENL_SET_ERR_MSG(info, "chandef is invalid");
8192 GENL_SET_ERR_MSG(info,
8193 "Unexpected Radar indication for chandef/iftype");
8197 /* Do not process this notification if radar is already detected
8198 * by kernel on this channel, and return success.
8200 if (chandef.chan->dfs_state == NL80211_DFS_UNAVAILABLE)
8203 cfg80211_set_dfs_state(wiphy, &chandef, NL80211_DFS_UNAVAILABLE);
8205 cfg80211_sched_dfs_chan_update(rdev);
8207 rdev->radar_chandef = chandef;
8209 /* Propagate this notification to other radios as well */
8210 queue_work(cfg80211_wq, &rdev->propagate_radar_detect_wk);
8215 static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info)
8217 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8218 struct net_device *dev = info->user_ptr[1];
8219 struct wireless_dev *wdev = dev->ieee80211_ptr;
8220 struct cfg80211_csa_settings params;
8221 /* csa_attrs is defined static to avoid waste of stack size - this
8222 * function is called under RTNL lock, so this should not be a problem.
8224 static struct nlattr *csa_attrs[NL80211_ATTR_MAX+1];
8226 bool need_new_beacon = false;
8227 bool need_handle_dfs_flag = true;
8231 if (!rdev->ops->channel_switch ||
8232 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH))
8235 switch (dev->ieee80211_ptr->iftype) {
8236 case NL80211_IFTYPE_AP:
8237 case NL80211_IFTYPE_P2P_GO:
8238 need_new_beacon = true;
8239 /* For all modes except AP the handle_dfs flag needs to be
8240 * supplied to tell the kernel that userspace will handle radar
8241 * events when they happen. Otherwise a switch to a channel
8242 * requiring DFS will be rejected.
8244 need_handle_dfs_flag = false;
8246 /* useless if AP is not running */
8247 if (!wdev->beacon_interval)
8250 case NL80211_IFTYPE_ADHOC:
8251 if (!wdev->ssid_len)
8254 case NL80211_IFTYPE_MESH_POINT:
8255 if (!wdev->mesh_id_len)
8262 memset(¶ms, 0, sizeof(params));
8263 params.beacon_csa.ftm_responder = -1;
8265 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
8266 !info->attrs[NL80211_ATTR_CH_SWITCH_COUNT])
8269 /* only important for AP, IBSS and mesh create IEs internally */
8270 if (need_new_beacon && !info->attrs[NL80211_ATTR_CSA_IES])
8273 /* Even though the attribute is u32, the specification says
8274 * u8, so let's make sure we don't overflow.
8276 cs_count = nla_get_u32(info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]);
8280 params.count = cs_count;
8282 if (!need_new_beacon)
8285 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms.beacon_after);
8289 err = nla_parse_nested_deprecated(csa_attrs, NL80211_ATTR_MAX,
8290 info->attrs[NL80211_ATTR_CSA_IES],
8291 nl80211_policy, info->extack);
8295 err = nl80211_parse_beacon(rdev, csa_attrs, ¶ms.beacon_csa);
8299 if (!csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON])
8302 len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]);
8303 if (!len || (len % sizeof(u16)))
8306 params.n_counter_offsets_beacon = len / sizeof(u16);
8307 if (rdev->wiphy.max_num_csa_counters &&
8308 (params.n_counter_offsets_beacon >
8309 rdev->wiphy.max_num_csa_counters))
8312 params.counter_offsets_beacon =
8313 nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]);
8315 /* sanity checks - counters should fit and be the same */
8316 for (i = 0; i < params.n_counter_offsets_beacon; i++) {
8317 u16 offset = params.counter_offsets_beacon[i];
8319 if (offset >= params.beacon_csa.tail_len)
8322 if (params.beacon_csa.tail[offset] != params.count)
8326 if (csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]) {
8327 len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]);
8328 if (!len || (len % sizeof(u16)))
8331 params.n_counter_offsets_presp = len / sizeof(u16);
8332 if (rdev->wiphy.max_num_csa_counters &&
8333 (params.n_counter_offsets_presp >
8334 rdev->wiphy.max_num_csa_counters))
8337 params.counter_offsets_presp =
8338 nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]);
8340 /* sanity checks - counters should fit and be the same */
8341 for (i = 0; i < params.n_counter_offsets_presp; i++) {
8342 u16 offset = params.counter_offsets_presp[i];
8344 if (offset >= params.beacon_csa.probe_resp_len)
8347 if (params.beacon_csa.probe_resp[offset] !=
8354 err = nl80211_parse_chandef(rdev, info, ¶ms.chandef);
8358 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef,
8362 err = cfg80211_chandef_dfs_required(wdev->wiphy,
8369 params.radar_required = true;
8370 if (need_handle_dfs_flag &&
8371 !nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS])) {
8376 if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX])
8377 params.block_tx = true;
8380 err = rdev_channel_switch(rdev, dev, ¶ms);
8386 static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
8388 struct cfg80211_registered_device *rdev,
8389 struct wireless_dev *wdev,
8390 struct cfg80211_internal_bss *intbss)
8392 struct cfg80211_bss *res = &intbss->pub;
8393 const struct cfg80211_bss_ies *ies;
8397 ASSERT_WDEV_LOCK(wdev);
8399 hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
8400 NL80211_CMD_NEW_SCAN_RESULTS);
8404 genl_dump_check_consistent(cb, hdr);
8406 if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation))
8407 goto nla_put_failure;
8409 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex))
8410 goto nla_put_failure;
8411 if (nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
8413 goto nla_put_failure;
8415 bss = nla_nest_start_noflag(msg, NL80211_ATTR_BSS);
8417 goto nla_put_failure;
8418 if ((!is_zero_ether_addr(res->bssid) &&
8419 nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid)))
8420 goto nla_put_failure;
8423 /* indicate whether we have probe response data or not */
8424 if (rcu_access_pointer(res->proberesp_ies) &&
8425 nla_put_flag(msg, NL80211_BSS_PRESP_DATA))
8426 goto fail_unlock_rcu;
8428 /* this pointer prefers to be pointed to probe response data
8429 * but is always valid
8431 ies = rcu_dereference(res->ies);
8433 if (nla_put_u64_64bit(msg, NL80211_BSS_TSF, ies->tsf,
8435 goto fail_unlock_rcu;
8436 if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS,
8437 ies->len, ies->data))
8438 goto fail_unlock_rcu;
8441 /* and this pointer is always (unless driver didn't know) beacon data */
8442 ies = rcu_dereference(res->beacon_ies);
8443 if (ies && ies->from_beacon) {
8444 if (nla_put_u64_64bit(msg, NL80211_BSS_BEACON_TSF, ies->tsf,
8446 goto fail_unlock_rcu;
8447 if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES,
8448 ies->len, ies->data))
8449 goto fail_unlock_rcu;
8453 if (res->beacon_interval &&
8454 nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval))
8455 goto nla_put_failure;
8456 if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) ||
8457 nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) ||
8458 nla_put_u32(msg, NL80211_BSS_CHAN_WIDTH, res->scan_width) ||
8459 nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO,
8460 jiffies_to_msecs(jiffies - intbss->ts)))
8461 goto nla_put_failure;
8463 if (intbss->parent_tsf &&
8464 (nla_put_u64_64bit(msg, NL80211_BSS_PARENT_TSF,
8465 intbss->parent_tsf, NL80211_BSS_PAD) ||
8466 nla_put(msg, NL80211_BSS_PARENT_BSSID, ETH_ALEN,
8467 intbss->parent_bssid)))
8468 goto nla_put_failure;
8470 if (intbss->ts_boottime &&
8471 nla_put_u64_64bit(msg, NL80211_BSS_LAST_SEEN_BOOTTIME,
8472 intbss->ts_boottime, NL80211_BSS_PAD))
8473 goto nla_put_failure;
8475 if (!nl80211_put_signal(msg, intbss->pub.chains,
8476 intbss->pub.chain_signal,
8477 NL80211_BSS_CHAIN_SIGNAL))
8478 goto nla_put_failure;
8480 switch (rdev->wiphy.signal_type) {
8481 case CFG80211_SIGNAL_TYPE_MBM:
8482 if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal))
8483 goto nla_put_failure;
8485 case CFG80211_SIGNAL_TYPE_UNSPEC:
8486 if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal))
8487 goto nla_put_failure;
8493 switch (wdev->iftype) {
8494 case NL80211_IFTYPE_P2P_CLIENT:
8495 case NL80211_IFTYPE_STATION:
8496 if (intbss == wdev->current_bss &&
8497 nla_put_u32(msg, NL80211_BSS_STATUS,
8498 NL80211_BSS_STATUS_ASSOCIATED))
8499 goto nla_put_failure;
8501 case NL80211_IFTYPE_ADHOC:
8502 if (intbss == wdev->current_bss &&
8503 nla_put_u32(msg, NL80211_BSS_STATUS,
8504 NL80211_BSS_STATUS_IBSS_JOINED))
8505 goto nla_put_failure;
8511 nla_nest_end(msg, bss);
8513 genlmsg_end(msg, hdr);
8519 genlmsg_cancel(msg, hdr);
8523 static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb)
8525 struct cfg80211_registered_device *rdev;
8526 struct cfg80211_internal_bss *scan;
8527 struct wireless_dev *wdev;
8528 int start = cb->args[2], idx = 0;
8532 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
8539 spin_lock_bh(&rdev->bss_lock);
8542 * dump_scan will be called multiple times to break up the scan results
8543 * into multiple messages. It is unlikely that any more bss-es will be
8544 * expired after the first call, so only call only call this on the
8545 * first dump_scan invocation.
8548 cfg80211_bss_expire(rdev);
8550 cb->seq = rdev->bss_generation;
8552 list_for_each_entry(scan, &rdev->bss_list, list) {
8555 if (nl80211_send_bss(skb, cb,
8556 cb->nlh->nlmsg_seq, NLM_F_MULTI,
8557 rdev, wdev, scan) < 0) {
8563 spin_unlock_bh(&rdev->bss_lock);
8572 static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq,
8573 int flags, struct net_device *dev,
8574 bool allow_radio_stats,
8575 struct survey_info *survey)
8578 struct nlattr *infoattr;
8580 /* skip radio stats if userspace didn't request them */
8581 if (!survey->channel && !allow_radio_stats)
8584 hdr = nl80211hdr_put(msg, portid, seq, flags,
8585 NL80211_CMD_NEW_SURVEY_RESULTS);
8589 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
8590 goto nla_put_failure;
8592 infoattr = nla_nest_start_noflag(msg, NL80211_ATTR_SURVEY_INFO);
8594 goto nla_put_failure;
8596 if (survey->channel &&
8597 nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY,
8598 survey->channel->center_freq))
8599 goto nla_put_failure;
8601 if ((survey->filled & SURVEY_INFO_NOISE_DBM) &&
8602 nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise))
8603 goto nla_put_failure;
8604 if ((survey->filled & SURVEY_INFO_IN_USE) &&
8605 nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE))
8606 goto nla_put_failure;
8607 if ((survey->filled & SURVEY_INFO_TIME) &&
8608 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME,
8609 survey->time, NL80211_SURVEY_INFO_PAD))
8610 goto nla_put_failure;
8611 if ((survey->filled & SURVEY_INFO_TIME_BUSY) &&
8612 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BUSY,
8613 survey->time_busy, NL80211_SURVEY_INFO_PAD))
8614 goto nla_put_failure;
8615 if ((survey->filled & SURVEY_INFO_TIME_EXT_BUSY) &&
8616 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_EXT_BUSY,
8617 survey->time_ext_busy, NL80211_SURVEY_INFO_PAD))
8618 goto nla_put_failure;
8619 if ((survey->filled & SURVEY_INFO_TIME_RX) &&
8620 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_RX,
8621 survey->time_rx, NL80211_SURVEY_INFO_PAD))
8622 goto nla_put_failure;
8623 if ((survey->filled & SURVEY_INFO_TIME_TX) &&
8624 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_TX,
8625 survey->time_tx, NL80211_SURVEY_INFO_PAD))
8626 goto nla_put_failure;
8627 if ((survey->filled & SURVEY_INFO_TIME_SCAN) &&
8628 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_SCAN,
8629 survey->time_scan, NL80211_SURVEY_INFO_PAD))
8630 goto nla_put_failure;
8632 nla_nest_end(msg, infoattr);
8634 genlmsg_end(msg, hdr);
8638 genlmsg_cancel(msg, hdr);
8642 static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb)
8644 struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam);
8645 struct survey_info survey;
8646 struct cfg80211_registered_device *rdev;
8647 struct wireless_dev *wdev;
8648 int survey_idx = cb->args[2];
8653 res = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
8657 /* prepare_wdev_dump parsed the attributes */
8658 radio_stats = attrbuf[NL80211_ATTR_SURVEY_RADIO_STATS];
8660 if (!wdev->netdev) {
8665 if (!rdev->ops->dump_survey) {
8671 res = rdev_dump_survey(rdev, wdev->netdev, survey_idx, &survey);
8677 /* don't send disabled channels, but do send non-channel data */
8678 if (survey.channel &&
8679 survey.channel->flags & IEEE80211_CHAN_DISABLED) {
8684 if (nl80211_send_survey(skb,
8685 NETLINK_CB(cb->skb).portid,
8686 cb->nlh->nlmsg_seq, NLM_F_MULTI,
8687 wdev->netdev, radio_stats, &survey) < 0)
8693 cb->args[2] = survey_idx;
8700 static bool nl80211_valid_wpa_versions(u32 wpa_versions)
8702 return !(wpa_versions & ~(NL80211_WPA_VERSION_1 |
8703 NL80211_WPA_VERSION_2));
8706 static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
8708 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8709 struct net_device *dev = info->user_ptr[1];
8710 struct ieee80211_channel *chan;
8711 const u8 *bssid, *ssid, *ie = NULL, *auth_data = NULL;
8712 int err, ssid_len, ie_len = 0, auth_data_len = 0;
8713 enum nl80211_auth_type auth_type;
8714 struct key_parse key;
8715 bool local_state_change;
8717 if (!info->attrs[NL80211_ATTR_MAC])
8720 if (!info->attrs[NL80211_ATTR_AUTH_TYPE])
8723 if (!info->attrs[NL80211_ATTR_SSID])
8726 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
8729 err = nl80211_parse_key(info, &key);
8734 if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP)
8736 if (!key.p.key || !key.p.key_len)
8738 if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 ||
8739 key.p.key_len != WLAN_KEY_LEN_WEP40) &&
8740 (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 ||
8741 key.p.key_len != WLAN_KEY_LEN_WEP104))
8754 for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) {
8755 if (key.p.cipher == rdev->wiphy.cipher_suites[i]) {
8764 if (!rdev->ops->auth)
8767 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
8768 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
8771 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
8772 chan = nl80211_get_valid_chan(&rdev->wiphy,
8773 info->attrs[NL80211_ATTR_WIPHY_FREQ]);
8777 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
8778 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
8780 if (info->attrs[NL80211_ATTR_IE]) {
8781 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
8782 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
8785 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
8786 if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE))
8789 if ((auth_type == NL80211_AUTHTYPE_SAE ||
8790 auth_type == NL80211_AUTHTYPE_FILS_SK ||
8791 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
8792 auth_type == NL80211_AUTHTYPE_FILS_PK) &&
8793 !info->attrs[NL80211_ATTR_AUTH_DATA])
8796 if (info->attrs[NL80211_ATTR_AUTH_DATA]) {
8797 if (auth_type != NL80211_AUTHTYPE_SAE &&
8798 auth_type != NL80211_AUTHTYPE_FILS_SK &&
8799 auth_type != NL80211_AUTHTYPE_FILS_SK_PFS &&
8800 auth_type != NL80211_AUTHTYPE_FILS_PK)
8802 auth_data = nla_data(info->attrs[NL80211_ATTR_AUTH_DATA]);
8803 auth_data_len = nla_len(info->attrs[NL80211_ATTR_AUTH_DATA]);
8804 /* need to include at least Auth Transaction and Status Code */
8805 if (auth_data_len < 4)
8809 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
8812 * Since we no longer track auth state, ignore
8813 * requests to only change local state.
8815 if (local_state_change)
8818 wdev_lock(dev->ieee80211_ptr);
8819 err = cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid,
8820 ssid, ssid_len, ie, ie_len,
8821 key.p.key, key.p.key_len, key.idx,
8822 auth_data, auth_data_len);
8823 wdev_unlock(dev->ieee80211_ptr);
8827 static int validate_pae_over_nl80211(struct cfg80211_registered_device *rdev,
8828 struct genl_info *info)
8830 if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
8831 GENL_SET_ERR_MSG(info, "SOCKET_OWNER not set");
8835 if (!rdev->ops->tx_control_port ||
8836 !wiphy_ext_feature_isset(&rdev->wiphy,
8837 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
8843 static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
8844 struct genl_info *info,
8845 struct cfg80211_crypto_settings *settings,
8848 memset(settings, 0, sizeof(*settings));
8850 settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT];
8852 if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
8855 proto = nla_get_u16(
8856 info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
8857 settings->control_port_ethertype = cpu_to_be16(proto);
8858 if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
8861 if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT])
8862 settings->control_port_no_encrypt = true;
8864 settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE);
8866 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
8867 int r = validate_pae_over_nl80211(rdev, info);
8872 settings->control_port_over_nl80211 = true;
8875 if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) {
8879 data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
8880 len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
8881 settings->n_ciphers_pairwise = len / sizeof(u32);
8883 if (len % sizeof(u32))
8886 if (settings->n_ciphers_pairwise > cipher_limit)
8889 memcpy(settings->ciphers_pairwise, data, len);
8891 for (i = 0; i < settings->n_ciphers_pairwise; i++)
8892 if (!cfg80211_supported_cipher_suite(
8894 settings->ciphers_pairwise[i]))
8898 if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) {
8899 settings->cipher_group =
8900 nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]);
8901 if (!cfg80211_supported_cipher_suite(&rdev->wiphy,
8902 settings->cipher_group))
8906 if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) {
8907 settings->wpa_versions =
8908 nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]);
8909 if (!nl80211_valid_wpa_versions(settings->wpa_versions))
8913 if (info->attrs[NL80211_ATTR_AKM_SUITES]) {
8917 data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]);
8918 len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]);
8919 settings->n_akm_suites = len / sizeof(u32);
8921 if (len % sizeof(u32))
8924 if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES)
8927 memcpy(settings->akm_suites, data, len);
8930 if (info->attrs[NL80211_ATTR_PMK]) {
8931 if (nla_len(info->attrs[NL80211_ATTR_PMK]) != WLAN_PMK_LEN)
8933 if (!wiphy_ext_feature_isset(&rdev->wiphy,
8934 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_PSK))
8936 settings->psk = nla_data(info->attrs[NL80211_ATTR_PMK]);
8942 static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
8944 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8945 struct net_device *dev = info->user_ptr[1];
8946 struct ieee80211_channel *chan;
8947 struct cfg80211_assoc_request req = {};
8948 const u8 *bssid, *ssid;
8949 int err, ssid_len = 0;
8951 if (dev->ieee80211_ptr->conn_owner_nlportid &&
8952 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
8955 if (!info->attrs[NL80211_ATTR_MAC] ||
8956 !info->attrs[NL80211_ATTR_SSID] ||
8957 !info->attrs[NL80211_ATTR_WIPHY_FREQ])
8960 if (!rdev->ops->assoc)
8963 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
8964 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
8967 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
8969 chan = nl80211_get_valid_chan(&rdev->wiphy,
8970 info->attrs[NL80211_ATTR_WIPHY_FREQ]);
8974 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
8975 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
8977 if (info->attrs[NL80211_ATTR_IE]) {
8978 req.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
8979 req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
8982 if (info->attrs[NL80211_ATTR_USE_MFP]) {
8983 enum nl80211_mfp mfp =
8984 nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
8985 if (mfp == NL80211_MFP_REQUIRED)
8987 else if (mfp != NL80211_MFP_NO)
8991 if (info->attrs[NL80211_ATTR_PREV_BSSID])
8992 req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
8994 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
8995 req.flags |= ASSOC_REQ_DISABLE_HT;
8997 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
8998 memcpy(&req.ht_capa_mask,
8999 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
9000 sizeof(req.ht_capa_mask));
9002 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
9003 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
9005 memcpy(&req.ht_capa,
9006 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
9007 sizeof(req.ht_capa));
9010 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
9011 req.flags |= ASSOC_REQ_DISABLE_VHT;
9013 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
9014 memcpy(&req.vht_capa_mask,
9015 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
9016 sizeof(req.vht_capa_mask));
9018 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
9019 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
9021 memcpy(&req.vht_capa,
9022 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
9023 sizeof(req.vht_capa));
9026 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
9027 if (!((rdev->wiphy.features &
9028 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
9029 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
9030 !wiphy_ext_feature_isset(&rdev->wiphy,
9031 NL80211_EXT_FEATURE_RRM))
9033 req.flags |= ASSOC_REQ_USE_RRM;
9036 if (info->attrs[NL80211_ATTR_FILS_KEK]) {
9037 req.fils_kek = nla_data(info->attrs[NL80211_ATTR_FILS_KEK]);
9038 req.fils_kek_len = nla_len(info->attrs[NL80211_ATTR_FILS_KEK]);
9039 if (!info->attrs[NL80211_ATTR_FILS_NONCES])
9042 nla_data(info->attrs[NL80211_ATTR_FILS_NONCES]);
9045 err = nl80211_crypto_settings(rdev, info, &req.crypto, 1);
9047 wdev_lock(dev->ieee80211_ptr);
9049 err = cfg80211_mlme_assoc(rdev, dev, chan, bssid,
9050 ssid, ssid_len, &req);
9052 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
9053 dev->ieee80211_ptr->conn_owner_nlportid =
9055 memcpy(dev->ieee80211_ptr->disconnect_bssid,
9059 wdev_unlock(dev->ieee80211_ptr);
9065 static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
9067 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9068 struct net_device *dev = info->user_ptr[1];
9069 const u8 *ie = NULL, *bssid;
9070 int ie_len = 0, err;
9072 bool local_state_change;
9074 if (dev->ieee80211_ptr->conn_owner_nlportid &&
9075 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
9078 if (!info->attrs[NL80211_ATTR_MAC])
9081 if (!info->attrs[NL80211_ATTR_REASON_CODE])
9084 if (!rdev->ops->deauth)
9087 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
9088 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9091 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
9093 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
9094 if (reason_code == 0) {
9095 /* Reason Code 0 is reserved */
9099 if (info->attrs[NL80211_ATTR_IE]) {
9100 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9101 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9104 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
9106 wdev_lock(dev->ieee80211_ptr);
9107 err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code,
9108 local_state_change);
9109 wdev_unlock(dev->ieee80211_ptr);
9113 static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
9115 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9116 struct net_device *dev = info->user_ptr[1];
9117 const u8 *ie = NULL, *bssid;
9118 int ie_len = 0, err;
9120 bool local_state_change;
9122 if (dev->ieee80211_ptr->conn_owner_nlportid &&
9123 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
9126 if (!info->attrs[NL80211_ATTR_MAC])
9129 if (!info->attrs[NL80211_ATTR_REASON_CODE])
9132 if (!rdev->ops->disassoc)
9135 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
9136 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9139 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
9141 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
9142 if (reason_code == 0) {
9143 /* Reason Code 0 is reserved */
9147 if (info->attrs[NL80211_ATTR_IE]) {
9148 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9149 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9152 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
9154 wdev_lock(dev->ieee80211_ptr);
9155 err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code,
9156 local_state_change);
9157 wdev_unlock(dev->ieee80211_ptr);
9162 nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev,
9163 int mcast_rate[NUM_NL80211_BANDS],
9166 struct wiphy *wiphy = &rdev->wiphy;
9170 for (band = 0; band < NUM_NL80211_BANDS; band++) {
9171 struct ieee80211_supported_band *sband;
9173 sband = wiphy->bands[band];
9177 for (i = 0; i < sband->n_bitrates; i++) {
9178 if (sband->bitrates[i].bitrate == rateval) {
9179 mcast_rate[band] = i + 1;
9189 static int nl80211_join_ibss(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 cfg80211_ibss_params ibss;
9194 struct wiphy *wiphy;
9195 struct cfg80211_cached_keys *connkeys = NULL;
9198 memset(&ibss, 0, sizeof(ibss));
9200 if (!info->attrs[NL80211_ATTR_SSID] ||
9201 !nla_len(info->attrs[NL80211_ATTR_SSID]))
9204 ibss.beacon_interval = 100;
9206 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL])
9207 ibss.beacon_interval =
9208 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
9210 err = cfg80211_validate_beacon_int(rdev, NL80211_IFTYPE_ADHOC,
9211 ibss.beacon_interval);
9215 if (!rdev->ops->join_ibss)
9218 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
9221 wiphy = &rdev->wiphy;
9223 if (info->attrs[NL80211_ATTR_MAC]) {
9224 ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
9226 if (!is_valid_ether_addr(ibss.bssid))
9229 ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
9230 ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
9232 if (info->attrs[NL80211_ATTR_IE]) {
9233 ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9234 ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9237 err = nl80211_parse_chandef(rdev, info, &ibss.chandef);
9241 if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef,
9242 NL80211_IFTYPE_ADHOC))
9245 switch (ibss.chandef.width) {
9246 case NL80211_CHAN_WIDTH_5:
9247 case NL80211_CHAN_WIDTH_10:
9248 case NL80211_CHAN_WIDTH_20_NOHT:
9250 case NL80211_CHAN_WIDTH_20:
9251 case NL80211_CHAN_WIDTH_40:
9252 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
9255 case NL80211_CHAN_WIDTH_80:
9256 case NL80211_CHAN_WIDTH_80P80:
9257 case NL80211_CHAN_WIDTH_160:
9258 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
9260 if (!wiphy_ext_feature_isset(&rdev->wiphy,
9261 NL80211_EXT_FEATURE_VHT_IBSS))
9268 ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED];
9269 ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
9271 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
9273 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
9275 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
9276 struct ieee80211_supported_band *sband =
9277 wiphy->bands[ibss.chandef.chan->band];
9279 err = ieee80211_get_ratemask(sband, rates, n_rates,
9285 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
9286 memcpy(&ibss.ht_capa_mask,
9287 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
9288 sizeof(ibss.ht_capa_mask));
9290 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
9291 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
9293 memcpy(&ibss.ht_capa,
9294 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
9295 sizeof(ibss.ht_capa));
9298 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
9299 !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate,
9300 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
9303 if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) {
9306 connkeys = nl80211_parse_connkeys(rdev, info, &no_ht);
9307 if (IS_ERR(connkeys))
9308 return PTR_ERR(connkeys);
9310 if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) &&
9318 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]);
9320 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
9321 int r = validate_pae_over_nl80211(rdev, info);
9328 ibss.control_port_over_nl80211 = true;
9331 ibss.userspace_handles_dfs =
9332 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
9334 wdev_lock(dev->ieee80211_ptr);
9335 err = __cfg80211_join_ibss(rdev, dev, &ibss, connkeys);
9338 else if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
9339 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
9340 wdev_unlock(dev->ieee80211_ptr);
9345 static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info)
9347 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9348 struct net_device *dev = info->user_ptr[1];
9350 if (!rdev->ops->leave_ibss)
9353 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
9356 return cfg80211_leave_ibss(rdev, dev, false);
9359 static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info)
9361 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9362 struct net_device *dev = info->user_ptr[1];
9363 int mcast_rate[NUM_NL80211_BANDS];
9367 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
9368 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
9369 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB)
9372 if (!rdev->ops->set_mcast_rate)
9375 memset(mcast_rate, 0, sizeof(mcast_rate));
9377 if (!info->attrs[NL80211_ATTR_MCAST_RATE])
9380 nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]);
9381 if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate))
9384 err = rdev_set_mcast_rate(rdev, dev, mcast_rate);
9389 static struct sk_buff *
9390 __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev,
9391 struct wireless_dev *wdev, int approxlen,
9392 u32 portid, u32 seq, enum nl80211_commands cmd,
9393 enum nl80211_attrs attr,
9394 const struct nl80211_vendor_cmd_info *info,
9397 struct sk_buff *skb;
9399 struct nlattr *data;
9401 skb = nlmsg_new(approxlen + 100, gfp);
9405 hdr = nl80211hdr_put(skb, portid, seq, 0, cmd);
9411 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
9412 goto nla_put_failure;
9415 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_ID,
9417 goto nla_put_failure;
9418 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_SUBCMD,
9420 goto nla_put_failure;
9424 if (nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
9425 wdev_id(wdev), NL80211_ATTR_PAD))
9426 goto nla_put_failure;
9428 nla_put_u32(skb, NL80211_ATTR_IFINDEX,
9429 wdev->netdev->ifindex))
9430 goto nla_put_failure;
9433 data = nla_nest_start_noflag(skb, attr);
9435 goto nla_put_failure;
9437 ((void **)skb->cb)[0] = rdev;
9438 ((void **)skb->cb)[1] = hdr;
9439 ((void **)skb->cb)[2] = data;
9448 struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy,
9449 struct wireless_dev *wdev,
9450 enum nl80211_commands cmd,
9451 enum nl80211_attrs attr,
9452 unsigned int portid,
9453 int vendor_event_idx,
9454 int approxlen, gfp_t gfp)
9456 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
9457 const struct nl80211_vendor_cmd_info *info;
9460 case NL80211_CMD_TESTMODE:
9461 if (WARN_ON(vendor_event_idx != -1))
9465 case NL80211_CMD_VENDOR:
9466 if (WARN_ON(vendor_event_idx < 0 ||
9467 vendor_event_idx >= wiphy->n_vendor_events))
9469 info = &wiphy->vendor_events[vendor_event_idx];
9476 return __cfg80211_alloc_vendor_skb(rdev, wdev, approxlen, portid, 0,
9477 cmd, attr, info, gfp);
9479 EXPORT_SYMBOL(__cfg80211_alloc_event_skb);
9481 void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp)
9483 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
9484 void *hdr = ((void **)skb->cb)[1];
9485 struct nlmsghdr *nlhdr = nlmsg_hdr(skb);
9486 struct nlattr *data = ((void **)skb->cb)[2];
9487 enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE;
9489 /* clear CB data for netlink core to own from now on */
9490 memset(skb->cb, 0, sizeof(skb->cb));
9492 nla_nest_end(skb, data);
9493 genlmsg_end(skb, hdr);
9495 if (nlhdr->nlmsg_pid) {
9496 genlmsg_unicast(wiphy_net(&rdev->wiphy), skb,
9499 if (data->nla_type == NL80211_ATTR_VENDOR_DATA)
9500 mcgrp = NL80211_MCGRP_VENDOR;
9502 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
9503 skb, 0, mcgrp, gfp);
9506 EXPORT_SYMBOL(__cfg80211_send_event_skb);
9508 #ifdef CONFIG_NL80211_TESTMODE
9509 static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info)
9511 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9512 struct wireless_dev *wdev =
9513 __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs);
9516 if (!rdev->ops->testmode_cmd)
9520 err = PTR_ERR(wdev);
9524 } else if (wdev->wiphy != &rdev->wiphy) {
9528 if (!info->attrs[NL80211_ATTR_TESTDATA])
9531 rdev->cur_cmd_info = info;
9532 err = rdev_testmode_cmd(rdev, wdev,
9533 nla_data(info->attrs[NL80211_ATTR_TESTDATA]),
9534 nla_len(info->attrs[NL80211_ATTR_TESTDATA]));
9535 rdev->cur_cmd_info = NULL;
9540 static int nl80211_testmode_dump(struct sk_buff *skb,
9541 struct netlink_callback *cb)
9543 struct cfg80211_registered_device *rdev;
9553 * 0 is a valid index, but not valid for args[0],
9554 * so we need to offset by 1.
9556 phy_idx = cb->args[0] - 1;
9558 rdev = cfg80211_rdev_by_wiphy_idx(phy_idx);
9564 struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam);
9566 err = nlmsg_parse_deprecated(cb->nlh,
9567 GENL_HDRLEN + nl80211_fam.hdrsize,
9568 attrbuf, nl80211_fam.maxattr,
9569 nl80211_policy, NULL);
9573 rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
9575 err = PTR_ERR(rdev);
9578 phy_idx = rdev->wiphy_idx;
9580 if (attrbuf[NL80211_ATTR_TESTDATA])
9581 cb->args[1] = (long)attrbuf[NL80211_ATTR_TESTDATA];
9585 data = nla_data((void *)cb->args[1]);
9586 data_len = nla_len((void *)cb->args[1]);
9589 if (!rdev->ops->testmode_dump) {
9595 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
9596 cb->nlh->nlmsg_seq, NLM_F_MULTI,
9597 NL80211_CMD_TESTMODE);
9598 struct nlattr *tmdata;
9603 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) {
9604 genlmsg_cancel(skb, hdr);
9608 tmdata = nla_nest_start_noflag(skb, NL80211_ATTR_TESTDATA);
9610 genlmsg_cancel(skb, hdr);
9613 err = rdev_testmode_dump(rdev, skb, cb, data, data_len);
9614 nla_nest_end(skb, tmdata);
9616 if (err == -ENOBUFS || err == -ENOENT) {
9617 genlmsg_cancel(skb, hdr);
9620 genlmsg_cancel(skb, hdr);
9624 genlmsg_end(skb, hdr);
9629 cb->args[0] = phy_idx + 1;
9636 static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
9638 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9639 struct net_device *dev = info->user_ptr[1];
9640 struct cfg80211_connect_params connect;
9641 struct wiphy *wiphy;
9642 struct cfg80211_cached_keys *connkeys = NULL;
9645 memset(&connect, 0, sizeof(connect));
9647 if (!info->attrs[NL80211_ATTR_SSID] ||
9648 !nla_len(info->attrs[NL80211_ATTR_SSID]))
9651 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
9653 nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
9654 if (!nl80211_valid_auth_type(rdev, connect.auth_type,
9655 NL80211_CMD_CONNECT))
9658 connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
9660 connect.privacy = info->attrs[NL80211_ATTR_PRIVACY];
9662 if (info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS] &&
9663 !wiphy_ext_feature_isset(&rdev->wiphy,
9664 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
9666 connect.want_1x = info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS];
9668 err = nl80211_crypto_settings(rdev, info, &connect.crypto,
9669 NL80211_MAX_NR_CIPHER_SUITES);
9673 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
9674 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9677 wiphy = &rdev->wiphy;
9679 connect.bg_scan_period = -1;
9680 if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] &&
9681 (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) {
9682 connect.bg_scan_period =
9683 nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]);
9686 if (info->attrs[NL80211_ATTR_MAC])
9687 connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
9688 else if (info->attrs[NL80211_ATTR_MAC_HINT])
9689 connect.bssid_hint =
9690 nla_data(info->attrs[NL80211_ATTR_MAC_HINT]);
9691 connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
9692 connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
9694 if (info->attrs[NL80211_ATTR_IE]) {
9695 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9696 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9699 if (info->attrs[NL80211_ATTR_USE_MFP]) {
9700 connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
9701 if (connect.mfp == NL80211_MFP_OPTIONAL &&
9702 !wiphy_ext_feature_isset(&rdev->wiphy,
9703 NL80211_EXT_FEATURE_MFP_OPTIONAL))
9706 connect.mfp = NL80211_MFP_NO;
9709 if (info->attrs[NL80211_ATTR_PREV_BSSID])
9710 connect.prev_bssid =
9711 nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
9713 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
9714 connect.channel = nl80211_get_valid_chan(
9715 wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ]);
9716 if (!connect.channel)
9718 } else if (info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]) {
9719 connect.channel_hint = nl80211_get_valid_chan(
9720 wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]);
9721 if (!connect.channel_hint)
9725 if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) {
9726 connkeys = nl80211_parse_connkeys(rdev, info, NULL);
9727 if (IS_ERR(connkeys))
9728 return PTR_ERR(connkeys);
9731 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
9732 connect.flags |= ASSOC_REQ_DISABLE_HT;
9734 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
9735 memcpy(&connect.ht_capa_mask,
9736 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
9737 sizeof(connect.ht_capa_mask));
9739 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
9740 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) {
9744 memcpy(&connect.ht_capa,
9745 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
9746 sizeof(connect.ht_capa));
9749 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
9750 connect.flags |= ASSOC_REQ_DISABLE_VHT;
9752 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
9753 memcpy(&connect.vht_capa_mask,
9754 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
9755 sizeof(connect.vht_capa_mask));
9757 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
9758 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) {
9762 memcpy(&connect.vht_capa,
9763 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
9764 sizeof(connect.vht_capa));
9767 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
9768 if (!((rdev->wiphy.features &
9769 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
9770 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
9771 !wiphy_ext_feature_isset(&rdev->wiphy,
9772 NL80211_EXT_FEATURE_RRM)) {
9776 connect.flags |= ASSOC_REQ_USE_RRM;
9779 connect.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
9780 if (connect.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) {
9785 if (info->attrs[NL80211_ATTR_BSS_SELECT]) {
9786 /* bss selection makes no sense if bssid is set */
9787 if (connect.bssid) {
9792 err = parse_bss_select(info->attrs[NL80211_ATTR_BSS_SELECT],
9793 wiphy, &connect.bss_select);
9800 if (wiphy_ext_feature_isset(&rdev->wiphy,
9801 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) &&
9802 info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] &&
9803 info->attrs[NL80211_ATTR_FILS_ERP_REALM] &&
9804 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] &&
9805 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
9806 connect.fils_erp_username =
9807 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
9808 connect.fils_erp_username_len =
9809 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
9810 connect.fils_erp_realm =
9811 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
9812 connect.fils_erp_realm_len =
9813 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
9814 connect.fils_erp_next_seq_num =
9816 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]);
9817 connect.fils_erp_rrk =
9818 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
9819 connect.fils_erp_rrk_len =
9820 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
9821 } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] ||
9822 info->attrs[NL80211_ATTR_FILS_ERP_REALM] ||
9823 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] ||
9824 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
9829 if (nla_get_flag(info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])) {
9830 if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
9832 GENL_SET_ERR_MSG(info,
9833 "external auth requires connection ownership");
9836 connect.flags |= CONNECT_REQ_EXTERNAL_AUTH_SUPPORT;
9839 wdev_lock(dev->ieee80211_ptr);
9841 err = cfg80211_connect(rdev, dev, &connect, connkeys,
9842 connect.prev_bssid);
9846 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
9847 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
9849 memcpy(dev->ieee80211_ptr->disconnect_bssid,
9850 connect.bssid, ETH_ALEN);
9852 memset(dev->ieee80211_ptr->disconnect_bssid,
9856 wdev_unlock(dev->ieee80211_ptr);
9861 static int nl80211_update_connect_params(struct sk_buff *skb,
9862 struct genl_info *info)
9864 struct cfg80211_connect_params connect = {};
9865 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9866 struct net_device *dev = info->user_ptr[1];
9867 struct wireless_dev *wdev = dev->ieee80211_ptr;
9868 bool fils_sk_offload;
9873 if (!rdev->ops->update_connect_params)
9876 if (info->attrs[NL80211_ATTR_IE]) {
9877 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9878 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9879 changed |= UPDATE_ASSOC_IES;
9882 fils_sk_offload = wiphy_ext_feature_isset(&rdev->wiphy,
9883 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD);
9886 * when driver supports fils-sk offload all attributes must be
9887 * provided. So the else covers "fils-sk-not-all" and
9890 if (fils_sk_offload &&
9891 info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] &&
9892 info->attrs[NL80211_ATTR_FILS_ERP_REALM] &&
9893 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] &&
9894 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
9895 connect.fils_erp_username =
9896 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
9897 connect.fils_erp_username_len =
9898 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
9899 connect.fils_erp_realm =
9900 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
9901 connect.fils_erp_realm_len =
9902 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
9903 connect.fils_erp_next_seq_num =
9905 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]);
9906 connect.fils_erp_rrk =
9907 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
9908 connect.fils_erp_rrk_len =
9909 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
9910 changed |= UPDATE_FILS_ERP_INFO;
9911 } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] ||
9912 info->attrs[NL80211_ATTR_FILS_ERP_REALM] ||
9913 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] ||
9914 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
9918 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
9919 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
9920 if (!nl80211_valid_auth_type(rdev, auth_type,
9921 NL80211_CMD_CONNECT))
9924 if (auth_type == NL80211_AUTHTYPE_FILS_SK &&
9925 fils_sk_offload && !(changed & UPDATE_FILS_ERP_INFO))
9928 connect.auth_type = auth_type;
9929 changed |= UPDATE_AUTH_TYPE;
9932 wdev_lock(dev->ieee80211_ptr);
9933 if (!wdev->current_bss)
9936 ret = rdev_update_connect_params(rdev, dev, &connect, changed);
9937 wdev_unlock(dev->ieee80211_ptr);
9942 static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
9944 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9945 struct net_device *dev = info->user_ptr[1];
9949 if (dev->ieee80211_ptr->conn_owner_nlportid &&
9950 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
9953 if (!info->attrs[NL80211_ATTR_REASON_CODE])
9954 reason = WLAN_REASON_DEAUTH_LEAVING;
9956 reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
9961 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
9962 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9965 wdev_lock(dev->ieee80211_ptr);
9966 ret = cfg80211_disconnect(rdev, dev, reason, true);
9967 wdev_unlock(dev->ieee80211_ptr);
9971 static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info)
9973 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9977 if (info->attrs[NL80211_ATTR_PID]) {
9978 u32 pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]);
9980 net = get_net_ns_by_pid(pid);
9981 } else if (info->attrs[NL80211_ATTR_NETNS_FD]) {
9982 u32 fd = nla_get_u32(info->attrs[NL80211_ATTR_NETNS_FD]);
9984 net = get_net_ns_by_fd(fd);
9990 return PTR_ERR(net);
9994 /* check if anything to do */
9995 if (!net_eq(wiphy_net(&rdev->wiphy), net))
9996 err = cfg80211_switch_netns(rdev, net);
10002 static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info)
10004 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10005 int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev,
10006 struct cfg80211_pmksa *pmksa) = NULL;
10007 struct net_device *dev = info->user_ptr[1];
10008 struct cfg80211_pmksa pmksa;
10010 memset(&pmksa, 0, sizeof(struct cfg80211_pmksa));
10012 if (!info->attrs[NL80211_ATTR_PMKID])
10015 pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
10017 if (info->attrs[NL80211_ATTR_MAC]) {
10018 pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
10019 } else if (info->attrs[NL80211_ATTR_SSID] &&
10020 info->attrs[NL80211_ATTR_FILS_CACHE_ID] &&
10021 (info->genlhdr->cmd == NL80211_CMD_DEL_PMKSA ||
10022 info->attrs[NL80211_ATTR_PMK])) {
10023 pmksa.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
10024 pmksa.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
10026 nla_data(info->attrs[NL80211_ATTR_FILS_CACHE_ID]);
10030 if (info->attrs[NL80211_ATTR_PMK]) {
10031 pmksa.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
10032 pmksa.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
10035 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
10036 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT &&
10037 !(dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP &&
10038 wiphy_ext_feature_isset(&rdev->wiphy,
10039 NL80211_EXT_FEATURE_AP_PMKSA_CACHING)))
10040 return -EOPNOTSUPP;
10042 switch (info->genlhdr->cmd) {
10043 case NL80211_CMD_SET_PMKSA:
10044 rdev_ops = rdev->ops->set_pmksa;
10046 case NL80211_CMD_DEL_PMKSA:
10047 rdev_ops = rdev->ops->del_pmksa;
10055 return -EOPNOTSUPP;
10057 return rdev_ops(&rdev->wiphy, dev, &pmksa);
10060 static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info)
10062 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10063 struct net_device *dev = info->user_ptr[1];
10065 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
10066 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10067 return -EOPNOTSUPP;
10069 if (!rdev->ops->flush_pmksa)
10070 return -EOPNOTSUPP;
10072 return rdev_flush_pmksa(rdev, dev);
10075 static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info)
10077 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10078 struct net_device *dev = info->user_ptr[1];
10079 u8 action_code, dialog_token;
10080 u32 peer_capability = 0;
10085 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
10086 !rdev->ops->tdls_mgmt)
10087 return -EOPNOTSUPP;
10089 if (!info->attrs[NL80211_ATTR_TDLS_ACTION] ||
10090 !info->attrs[NL80211_ATTR_STATUS_CODE] ||
10091 !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] ||
10092 !info->attrs[NL80211_ATTR_IE] ||
10093 !info->attrs[NL80211_ATTR_MAC])
10096 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
10097 action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]);
10098 status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
10099 dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]);
10100 initiator = nla_get_flag(info->attrs[NL80211_ATTR_TDLS_INITIATOR]);
10101 if (info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY])
10103 nla_get_u32(info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]);
10105 return rdev_tdls_mgmt(rdev, dev, peer, action_code,
10106 dialog_token, status_code, peer_capability,
10108 nla_data(info->attrs[NL80211_ATTR_IE]),
10109 nla_len(info->attrs[NL80211_ATTR_IE]));
10112 static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info)
10114 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10115 struct net_device *dev = info->user_ptr[1];
10116 enum nl80211_tdls_operation operation;
10119 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
10120 !rdev->ops->tdls_oper)
10121 return -EOPNOTSUPP;
10123 if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] ||
10124 !info->attrs[NL80211_ATTR_MAC])
10127 operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]);
10128 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
10130 return rdev_tdls_oper(rdev, dev, peer, operation);
10133 static int nl80211_remain_on_channel(struct sk_buff *skb,
10134 struct genl_info *info)
10136 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10137 struct wireless_dev *wdev = info->user_ptr[1];
10138 struct cfg80211_chan_def chandef;
10139 const struct cfg80211_chan_def *compat_chandef;
10140 struct sk_buff *msg;
10146 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
10147 !info->attrs[NL80211_ATTR_DURATION])
10150 duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
10152 if (!rdev->ops->remain_on_channel ||
10153 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL))
10154 return -EOPNOTSUPP;
10157 * We should be on that channel for at least a minimum amount of
10158 * time (10ms) but no longer than the driver supports.
10160 if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
10161 duration > rdev->wiphy.max_remain_on_channel_duration)
10164 err = nl80211_parse_chandef(rdev, info, &chandef);
10169 if (!cfg80211_off_channel_oper_allowed(wdev) &&
10170 !cfg80211_chandef_identical(&wdev->chandef, &chandef)) {
10171 compat_chandef = cfg80211_chandef_compatible(&wdev->chandef,
10173 if (compat_chandef != &chandef) {
10180 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
10184 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
10185 NL80211_CMD_REMAIN_ON_CHANNEL);
10191 err = rdev_remain_on_channel(rdev, wdev, chandef.chan,
10192 duration, &cookie);
10197 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
10199 goto nla_put_failure;
10201 genlmsg_end(msg, hdr);
10203 return genlmsg_reply(msg, info);
10212 static int nl80211_cancel_remain_on_channel(struct sk_buff *skb,
10213 struct genl_info *info)
10215 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10216 struct wireless_dev *wdev = info->user_ptr[1];
10219 if (!info->attrs[NL80211_ATTR_COOKIE])
10222 if (!rdev->ops->cancel_remain_on_channel)
10223 return -EOPNOTSUPP;
10225 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
10227 return rdev_cancel_remain_on_channel(rdev, wdev, cookie);
10230 static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
10231 struct genl_info *info)
10233 struct cfg80211_bitrate_mask mask;
10234 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10235 struct net_device *dev = info->user_ptr[1];
10238 if (!rdev->ops->set_bitrate_mask)
10239 return -EOPNOTSUPP;
10241 err = nl80211_parse_tx_bitrate_mask(info, &mask);
10245 return rdev_set_bitrate_mask(rdev, dev, NULL, &mask);
10248 static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
10250 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10251 struct wireless_dev *wdev = info->user_ptr[1];
10252 u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION;
10254 if (!info->attrs[NL80211_ATTR_FRAME_MATCH])
10257 if (info->attrs[NL80211_ATTR_FRAME_TYPE])
10258 frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]);
10260 switch (wdev->iftype) {
10261 case NL80211_IFTYPE_STATION:
10262 case NL80211_IFTYPE_ADHOC:
10263 case NL80211_IFTYPE_P2P_CLIENT:
10264 case NL80211_IFTYPE_AP:
10265 case NL80211_IFTYPE_AP_VLAN:
10266 case NL80211_IFTYPE_MESH_POINT:
10267 case NL80211_IFTYPE_P2P_GO:
10268 case NL80211_IFTYPE_P2P_DEVICE:
10270 case NL80211_IFTYPE_NAN:
10272 return -EOPNOTSUPP;
10275 /* not much point in registering if we can't reply */
10276 if (!rdev->ops->mgmt_tx)
10277 return -EOPNOTSUPP;
10279 return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type,
10280 nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]),
10281 nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH]));
10284 static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
10286 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10287 struct wireless_dev *wdev = info->user_ptr[1];
10288 struct cfg80211_chan_def chandef;
10292 struct sk_buff *msg = NULL;
10293 struct cfg80211_mgmt_tx_params params = {
10294 .dont_wait_for_ack =
10295 info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK],
10298 if (!info->attrs[NL80211_ATTR_FRAME])
10301 if (!rdev->ops->mgmt_tx)
10302 return -EOPNOTSUPP;
10304 switch (wdev->iftype) {
10305 case NL80211_IFTYPE_P2P_DEVICE:
10306 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
10308 case NL80211_IFTYPE_STATION:
10309 case NL80211_IFTYPE_ADHOC:
10310 case NL80211_IFTYPE_P2P_CLIENT:
10311 case NL80211_IFTYPE_AP:
10312 case NL80211_IFTYPE_AP_VLAN:
10313 case NL80211_IFTYPE_MESH_POINT:
10314 case NL80211_IFTYPE_P2P_GO:
10316 case NL80211_IFTYPE_NAN:
10318 return -EOPNOTSUPP;
10321 if (info->attrs[NL80211_ATTR_DURATION]) {
10322 if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
10324 params.wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
10327 * We should wait on the channel for at least a minimum amount
10328 * of time (10ms) but no longer than the driver supports.
10330 if (params.wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
10331 params.wait > rdev->wiphy.max_remain_on_channel_duration)
10335 params.offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK];
10337 if (params.offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
10340 params.no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
10342 /* get the channel if any has been specified, otherwise pass NULL to
10343 * the driver. The latter will use the current one
10345 chandef.chan = NULL;
10346 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
10347 err = nl80211_parse_chandef(rdev, info, &chandef);
10352 if (!chandef.chan && params.offchan)
10356 if (params.offchan && !cfg80211_off_channel_oper_allowed(wdev)) {
10362 params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
10363 params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
10365 if (info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]) {
10366 int len = nla_len(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
10369 if (len % sizeof(u16))
10372 params.n_csa_offsets = len / sizeof(u16);
10373 params.csa_offsets =
10374 nla_data(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
10376 /* check that all the offsets fit the frame */
10377 for (i = 0; i < params.n_csa_offsets; i++) {
10378 if (params.csa_offsets[i] >= params.len)
10383 if (!params.dont_wait_for_ack) {
10384 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
10388 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
10389 NL80211_CMD_FRAME);
10396 params.chan = chandef.chan;
10397 err = cfg80211_mlme_mgmt_tx(rdev, wdev, ¶ms, &cookie);
10402 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
10404 goto nla_put_failure;
10406 genlmsg_end(msg, hdr);
10407 return genlmsg_reply(msg, info);
10419 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info)
10421 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10422 struct wireless_dev *wdev = info->user_ptr[1];
10425 if (!info->attrs[NL80211_ATTR_COOKIE])
10428 if (!rdev->ops->mgmt_tx_cancel_wait)
10429 return -EOPNOTSUPP;
10431 switch (wdev->iftype) {
10432 case NL80211_IFTYPE_STATION:
10433 case NL80211_IFTYPE_ADHOC:
10434 case NL80211_IFTYPE_P2P_CLIENT:
10435 case NL80211_IFTYPE_AP:
10436 case NL80211_IFTYPE_AP_VLAN:
10437 case NL80211_IFTYPE_P2P_GO:
10438 case NL80211_IFTYPE_P2P_DEVICE:
10440 case NL80211_IFTYPE_NAN:
10442 return -EOPNOTSUPP;
10445 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
10447 return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie);
10450 static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info)
10452 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10453 struct wireless_dev *wdev;
10454 struct net_device *dev = info->user_ptr[1];
10459 if (!info->attrs[NL80211_ATTR_PS_STATE])
10462 ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]);
10464 wdev = dev->ieee80211_ptr;
10466 if (!rdev->ops->set_power_mgmt)
10467 return -EOPNOTSUPP;
10469 state = (ps_state == NL80211_PS_ENABLED) ? true : false;
10471 if (state == wdev->ps)
10474 err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout);
10480 static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info)
10482 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10483 enum nl80211_ps_state ps_state;
10484 struct wireless_dev *wdev;
10485 struct net_device *dev = info->user_ptr[1];
10486 struct sk_buff *msg;
10490 wdev = dev->ieee80211_ptr;
10492 if (!rdev->ops->set_power_mgmt)
10493 return -EOPNOTSUPP;
10495 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
10499 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
10500 NL80211_CMD_GET_POWER_SAVE);
10507 ps_state = NL80211_PS_ENABLED;
10509 ps_state = NL80211_PS_DISABLED;
10511 if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state))
10512 goto nla_put_failure;
10514 genlmsg_end(msg, hdr);
10515 return genlmsg_reply(msg, info);
10524 static const struct nla_policy
10525 nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] = {
10526 [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_BINARY },
10527 [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 },
10528 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
10529 [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 },
10530 [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 },
10531 [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 },
10532 [NL80211_ATTR_CQM_RSSI_LEVEL] = { .type = NLA_S32 },
10535 static int nl80211_set_cqm_txe(struct genl_info *info,
10536 u32 rate, u32 pkts, u32 intvl)
10538 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10539 struct net_device *dev = info->user_ptr[1];
10540 struct wireless_dev *wdev = dev->ieee80211_ptr;
10542 if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL)
10545 if (!rdev->ops->set_cqm_txe_config)
10546 return -EOPNOTSUPP;
10548 if (wdev->iftype != NL80211_IFTYPE_STATION &&
10549 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
10550 return -EOPNOTSUPP;
10552 return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl);
10555 static int cfg80211_cqm_rssi_update(struct cfg80211_registered_device *rdev,
10556 struct net_device *dev)
10558 struct wireless_dev *wdev = dev->ieee80211_ptr;
10559 s32 last, low, high;
10561 int i, n, low_index;
10564 /* RSSI reporting disabled? */
10565 if (!wdev->cqm_config)
10566 return rdev_set_cqm_rssi_range_config(rdev, dev, 0, 0);
10569 * Obtain current RSSI value if possible, if not and no RSSI threshold
10570 * event has been received yet, we should receive an event after a
10571 * connection is established and enough beacons received to calculate
10574 if (!wdev->cqm_config->last_rssi_event_value && wdev->current_bss &&
10575 rdev->ops->get_station) {
10576 struct station_info sinfo = {};
10579 mac_addr = wdev->current_bss->pub.bssid;
10581 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
10585 if (sinfo.filled & BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG))
10586 wdev->cqm_config->last_rssi_event_value =
10587 (s8) sinfo.rx_beacon_signal_avg;
10590 last = wdev->cqm_config->last_rssi_event_value;
10591 hyst = wdev->cqm_config->rssi_hyst;
10592 n = wdev->cqm_config->n_rssi_thresholds;
10594 for (i = 0; i < n; i++)
10595 if (last < wdev->cqm_config->rssi_thresholds[i])
10599 if (low_index >= 0) {
10600 low_index = array_index_nospec(low_index, n);
10601 low = wdev->cqm_config->rssi_thresholds[low_index] - hyst;
10606 i = array_index_nospec(i, n);
10607 high = wdev->cqm_config->rssi_thresholds[i] + hyst - 1;
10612 return rdev_set_cqm_rssi_range_config(rdev, dev, low, high);
10615 static int nl80211_set_cqm_rssi(struct genl_info *info,
10616 const s32 *thresholds, int n_thresholds,
10619 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10620 struct net_device *dev = info->user_ptr[1];
10621 struct wireless_dev *wdev = dev->ieee80211_ptr;
10623 s32 prev = S32_MIN;
10625 /* Check all values negative and sorted */
10626 for (i = 0; i < n_thresholds; i++) {
10627 if (thresholds[i] > 0 || thresholds[i] <= prev)
10630 prev = thresholds[i];
10633 if (wdev->iftype != NL80211_IFTYPE_STATION &&
10634 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
10635 return -EOPNOTSUPP;
10638 cfg80211_cqm_config_free(wdev);
10641 if (n_thresholds <= 1 && rdev->ops->set_cqm_rssi_config) {
10642 if (n_thresholds == 0 || thresholds[0] == 0) /* Disabling */
10643 return rdev_set_cqm_rssi_config(rdev, dev, 0, 0);
10645 return rdev_set_cqm_rssi_config(rdev, dev,
10646 thresholds[0], hysteresis);
10649 if (!wiphy_ext_feature_isset(&rdev->wiphy,
10650 NL80211_EXT_FEATURE_CQM_RSSI_LIST))
10651 return -EOPNOTSUPP;
10653 if (n_thresholds == 1 && thresholds[0] == 0) /* Disabling */
10657 if (n_thresholds) {
10658 struct cfg80211_cqm_config *cqm_config;
10660 cqm_config = kzalloc(sizeof(struct cfg80211_cqm_config) +
10661 n_thresholds * sizeof(s32), GFP_KERNEL);
10667 cqm_config->rssi_hyst = hysteresis;
10668 cqm_config->n_rssi_thresholds = n_thresholds;
10669 memcpy(cqm_config->rssi_thresholds, thresholds,
10670 n_thresholds * sizeof(s32));
10672 wdev->cqm_config = cqm_config;
10675 err = cfg80211_cqm_rssi_update(rdev, dev);
10683 static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info)
10685 struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1];
10686 struct nlattr *cqm;
10689 cqm = info->attrs[NL80211_ATTR_CQM];
10693 err = nla_parse_nested_deprecated(attrs, NL80211_ATTR_CQM_MAX, cqm,
10694 nl80211_attr_cqm_policy,
10699 if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] &&
10700 attrs[NL80211_ATTR_CQM_RSSI_HYST]) {
10701 const s32 *thresholds =
10702 nla_data(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
10703 int len = nla_len(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
10704 u32 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]);
10709 return nl80211_set_cqm_rssi(info, thresholds, len / 4,
10713 if (attrs[NL80211_ATTR_CQM_TXE_RATE] &&
10714 attrs[NL80211_ATTR_CQM_TXE_PKTS] &&
10715 attrs[NL80211_ATTR_CQM_TXE_INTVL]) {
10716 u32 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]);
10717 u32 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]);
10718 u32 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]);
10720 return nl80211_set_cqm_txe(info, rate, pkts, intvl);
10726 static int nl80211_join_ocb(struct sk_buff *skb, struct genl_info *info)
10728 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10729 struct net_device *dev = info->user_ptr[1];
10730 struct ocb_setup setup = {};
10733 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
10737 return cfg80211_join_ocb(rdev, dev, &setup);
10740 static int nl80211_leave_ocb(struct sk_buff *skb, struct genl_info *info)
10742 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10743 struct net_device *dev = info->user_ptr[1];
10745 return cfg80211_leave_ocb(rdev, dev);
10748 static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info)
10750 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10751 struct net_device *dev = info->user_ptr[1];
10752 struct mesh_config cfg;
10753 struct mesh_setup setup;
10756 /* start with default */
10757 memcpy(&cfg, &default_mesh_config, sizeof(cfg));
10758 memcpy(&setup, &default_mesh_setup, sizeof(setup));
10760 if (info->attrs[NL80211_ATTR_MESH_CONFIG]) {
10761 /* and parse parameters if given */
10762 err = nl80211_parse_mesh_config(info, &cfg, NULL);
10767 if (!info->attrs[NL80211_ATTR_MESH_ID] ||
10768 !nla_len(info->attrs[NL80211_ATTR_MESH_ID]))
10771 setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]);
10772 setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
10774 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
10775 !nl80211_parse_mcast_rate(rdev, setup.mcast_rate,
10776 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
10779 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) {
10780 setup.beacon_interval =
10781 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
10783 err = cfg80211_validate_beacon_int(rdev,
10784 NL80211_IFTYPE_MESH_POINT,
10785 setup.beacon_interval);
10790 if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) {
10791 setup.dtim_period =
10792 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
10793 if (setup.dtim_period < 1 || setup.dtim_period > 100)
10797 if (info->attrs[NL80211_ATTR_MESH_SETUP]) {
10798 /* parse additional setup parameters if given */
10799 err = nl80211_parse_mesh_setup(info, &setup);
10804 if (setup.user_mpm)
10805 cfg.auto_open_plinks = false;
10807 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
10808 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
10812 /* __cfg80211_join_mesh() will sort it out */
10813 setup.chandef.chan = NULL;
10816 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
10817 u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
10819 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
10820 struct ieee80211_supported_band *sband;
10822 if (!setup.chandef.chan)
10825 sband = rdev->wiphy.bands[setup.chandef.chan->band];
10827 err = ieee80211_get_ratemask(sband, rates, n_rates,
10828 &setup.basic_rates);
10833 if (info->attrs[NL80211_ATTR_TX_RATES]) {
10834 err = nl80211_parse_tx_bitrate_mask(info, &setup.beacon_rate);
10838 if (!setup.chandef.chan)
10841 err = validate_beacon_tx_rate(rdev, setup.chandef.chan->band,
10842 &setup.beacon_rate);
10847 setup.userspace_handles_dfs =
10848 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
10850 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
10851 int r = validate_pae_over_nl80211(rdev, info);
10856 setup.control_port_over_nl80211 = true;
10859 wdev_lock(dev->ieee80211_ptr);
10860 err = __cfg80211_join_mesh(rdev, dev, &setup, &cfg);
10861 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER])
10862 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
10863 wdev_unlock(dev->ieee80211_ptr);
10868 static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info)
10870 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10871 struct net_device *dev = info->user_ptr[1];
10873 return cfg80211_leave_mesh(rdev, dev);
10877 static int nl80211_send_wowlan_patterns(struct sk_buff *msg,
10878 struct cfg80211_registered_device *rdev)
10880 struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config;
10881 struct nlattr *nl_pats, *nl_pat;
10884 if (!wowlan->n_patterns)
10887 nl_pats = nla_nest_start_noflag(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN);
10891 for (i = 0; i < wowlan->n_patterns; i++) {
10892 nl_pat = nla_nest_start_noflag(msg, i + 1);
10895 pat_len = wowlan->patterns[i].pattern_len;
10896 if (nla_put(msg, NL80211_PKTPAT_MASK, DIV_ROUND_UP(pat_len, 8),
10897 wowlan->patterns[i].mask) ||
10898 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
10899 wowlan->patterns[i].pattern) ||
10900 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
10901 wowlan->patterns[i].pkt_offset))
10903 nla_nest_end(msg, nl_pat);
10905 nla_nest_end(msg, nl_pats);
10910 static int nl80211_send_wowlan_tcp(struct sk_buff *msg,
10911 struct cfg80211_wowlan_tcp *tcp)
10913 struct nlattr *nl_tcp;
10918 nl_tcp = nla_nest_start_noflag(msg,
10919 NL80211_WOWLAN_TRIG_TCP_CONNECTION);
10923 if (nla_put_in_addr(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) ||
10924 nla_put_in_addr(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) ||
10925 nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) ||
10926 nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) ||
10927 nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) ||
10928 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
10929 tcp->payload_len, tcp->payload) ||
10930 nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
10931 tcp->data_interval) ||
10932 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
10933 tcp->wake_len, tcp->wake_data) ||
10934 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK,
10935 DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask))
10938 if (tcp->payload_seq.len &&
10939 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ,
10940 sizeof(tcp->payload_seq), &tcp->payload_seq))
10943 if (tcp->payload_tok.len &&
10944 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
10945 sizeof(tcp->payload_tok) + tcp->tokens_size,
10946 &tcp->payload_tok))
10949 nla_nest_end(msg, nl_tcp);
10954 static int nl80211_send_wowlan_nd(struct sk_buff *msg,
10955 struct cfg80211_sched_scan_request *req)
10957 struct nlattr *nd, *freqs, *matches, *match, *scan_plans, *scan_plan;
10963 nd = nla_nest_start_noflag(msg, NL80211_WOWLAN_TRIG_NET_DETECT);
10967 if (req->n_scan_plans == 1 &&
10968 nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_INTERVAL,
10969 req->scan_plans[0].interval * 1000))
10972 if (nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_DELAY, req->delay))
10975 if (req->relative_rssi_set) {
10976 struct nl80211_bss_select_rssi_adjust rssi_adjust;
10978 if (nla_put_s8(msg, NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI,
10979 req->relative_rssi))
10982 rssi_adjust.band = req->rssi_adjust.band;
10983 rssi_adjust.delta = req->rssi_adjust.delta;
10984 if (nla_put(msg, NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST,
10985 sizeof(rssi_adjust), &rssi_adjust))
10989 freqs = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_FREQUENCIES);
10993 for (i = 0; i < req->n_channels; i++) {
10994 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
10998 nla_nest_end(msg, freqs);
11000 if (req->n_match_sets) {
11001 matches = nla_nest_start_noflag(msg,
11002 NL80211_ATTR_SCHED_SCAN_MATCH);
11006 for (i = 0; i < req->n_match_sets; i++) {
11007 match = nla_nest_start_noflag(msg, i);
11011 if (nla_put(msg, NL80211_SCHED_SCAN_MATCH_ATTR_SSID,
11012 req->match_sets[i].ssid.ssid_len,
11013 req->match_sets[i].ssid.ssid))
11015 nla_nest_end(msg, match);
11017 nla_nest_end(msg, matches);
11020 scan_plans = nla_nest_start_noflag(msg, NL80211_ATTR_SCHED_SCAN_PLANS);
11024 for (i = 0; i < req->n_scan_plans; i++) {
11025 scan_plan = nla_nest_start_noflag(msg, i + 1);
11029 if (nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_INTERVAL,
11030 req->scan_plans[i].interval) ||
11031 (req->scan_plans[i].iterations &&
11032 nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_ITERATIONS,
11033 req->scan_plans[i].iterations)))
11035 nla_nest_end(msg, scan_plan);
11037 nla_nest_end(msg, scan_plans);
11039 nla_nest_end(msg, nd);
11044 static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info)
11046 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11047 struct sk_buff *msg;
11049 u32 size = NLMSG_DEFAULT_SIZE;
11051 if (!rdev->wiphy.wowlan)
11052 return -EOPNOTSUPP;
11054 if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) {
11055 /* adjust size to have room for all the data */
11056 size += rdev->wiphy.wowlan_config->tcp->tokens_size +
11057 rdev->wiphy.wowlan_config->tcp->payload_len +
11058 rdev->wiphy.wowlan_config->tcp->wake_len +
11059 rdev->wiphy.wowlan_config->tcp->wake_len / 8;
11062 msg = nlmsg_new(size, GFP_KERNEL);
11066 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
11067 NL80211_CMD_GET_WOWLAN);
11069 goto nla_put_failure;
11071 if (rdev->wiphy.wowlan_config) {
11072 struct nlattr *nl_wowlan;
11074 nl_wowlan = nla_nest_start_noflag(msg,
11075 NL80211_ATTR_WOWLAN_TRIGGERS);
11077 goto nla_put_failure;
11079 if ((rdev->wiphy.wowlan_config->any &&
11080 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
11081 (rdev->wiphy.wowlan_config->disconnect &&
11082 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
11083 (rdev->wiphy.wowlan_config->magic_pkt &&
11084 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
11085 (rdev->wiphy.wowlan_config->gtk_rekey_failure &&
11086 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
11087 (rdev->wiphy.wowlan_config->eap_identity_req &&
11088 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
11089 (rdev->wiphy.wowlan_config->four_way_handshake &&
11090 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
11091 (rdev->wiphy.wowlan_config->rfkill_release &&
11092 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
11093 goto nla_put_failure;
11095 if (nl80211_send_wowlan_patterns(msg, rdev))
11096 goto nla_put_failure;
11098 if (nl80211_send_wowlan_tcp(msg,
11099 rdev->wiphy.wowlan_config->tcp))
11100 goto nla_put_failure;
11102 if (nl80211_send_wowlan_nd(
11104 rdev->wiphy.wowlan_config->nd_config))
11105 goto nla_put_failure;
11107 nla_nest_end(msg, nl_wowlan);
11110 genlmsg_end(msg, hdr);
11111 return genlmsg_reply(msg, info);
11118 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev,
11119 struct nlattr *attr,
11120 struct cfg80211_wowlan *trig)
11122 struct nlattr *tb[NUM_NL80211_WOWLAN_TCP];
11123 struct cfg80211_wowlan_tcp *cfg;
11124 struct nl80211_wowlan_tcp_data_token *tok = NULL;
11125 struct nl80211_wowlan_tcp_data_seq *seq = NULL;
11127 u32 data_size, wake_size, tokens_size = 0, wake_mask_size;
11130 if (!rdev->wiphy.wowlan->tcp)
11133 err = nla_parse_nested_deprecated(tb, MAX_NL80211_WOWLAN_TCP, attr,
11134 nl80211_wowlan_tcp_policy, NULL);
11138 if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] ||
11139 !tb[NL80211_WOWLAN_TCP_DST_IPV4] ||
11140 !tb[NL80211_WOWLAN_TCP_DST_MAC] ||
11141 !tb[NL80211_WOWLAN_TCP_DST_PORT] ||
11142 !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] ||
11143 !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] ||
11144 !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] ||
11145 !tb[NL80211_WOWLAN_TCP_WAKE_MASK])
11148 data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]);
11149 if (data_size > rdev->wiphy.wowlan->tcp->data_payload_max)
11152 if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) >
11153 rdev->wiphy.wowlan->tcp->data_interval_max ||
11154 nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0)
11157 wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]);
11158 if (wake_size > rdev->wiphy.wowlan->tcp->wake_payload_max)
11161 wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]);
11162 if (wake_mask_size != DIV_ROUND_UP(wake_size, 8))
11165 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) {
11166 u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
11168 tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
11169 tokens_size = tokln - sizeof(*tok);
11171 if (!tok->len || tokens_size % tok->len)
11173 if (!rdev->wiphy.wowlan->tcp->tok)
11175 if (tok->len > rdev->wiphy.wowlan->tcp->tok->max_len)
11177 if (tok->len < rdev->wiphy.wowlan->tcp->tok->min_len)
11179 if (tokens_size > rdev->wiphy.wowlan->tcp->tok->bufsize)
11181 if (tok->offset + tok->len > data_size)
11185 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) {
11186 seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]);
11187 if (!rdev->wiphy.wowlan->tcp->seq)
11189 if (seq->len == 0 || seq->len > 4)
11191 if (seq->len + seq->offset > data_size)
11195 size = sizeof(*cfg);
11197 size += wake_size + wake_mask_size;
11198 size += tokens_size;
11200 cfg = kzalloc(size, GFP_KERNEL);
11203 cfg->src = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_SRC_IPV4]);
11204 cfg->dst = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_DST_IPV4]);
11205 memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]),
11207 if (tb[NL80211_WOWLAN_TCP_SRC_PORT])
11208 port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]);
11212 /* allocate a socket and port for it and use it */
11213 err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM,
11214 IPPROTO_TCP, &cfg->sock, 1);
11219 if (inet_csk_get_port(cfg->sock->sk, port)) {
11220 sock_release(cfg->sock);
11222 return -EADDRINUSE;
11224 cfg->src_port = inet_sk(cfg->sock->sk)->inet_num;
11230 cfg->src_port = port;
11233 cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]);
11234 cfg->payload_len = data_size;
11235 cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size;
11236 memcpy((void *)cfg->payload,
11237 nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]),
11240 cfg->payload_seq = *seq;
11241 cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]);
11242 cfg->wake_len = wake_size;
11243 cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size;
11244 memcpy((void *)cfg->wake_data,
11245 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]),
11247 cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size +
11248 data_size + wake_size;
11249 memcpy((void *)cfg->wake_mask,
11250 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]),
11253 cfg->tokens_size = tokens_size;
11254 memcpy(&cfg->payload_tok, tok, sizeof(*tok) + tokens_size);
11262 static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device *rdev,
11263 const struct wiphy_wowlan_support *wowlan,
11264 struct nlattr *attr,
11265 struct cfg80211_wowlan *trig)
11267 struct nlattr **tb;
11270 tb = kcalloc(NUM_NL80211_ATTR, sizeof(*tb), GFP_KERNEL);
11274 if (!(wowlan->flags & WIPHY_WOWLAN_NET_DETECT)) {
11279 err = nla_parse_nested_deprecated(tb, NL80211_ATTR_MAX, attr,
11280 nl80211_policy, NULL);
11284 trig->nd_config = nl80211_parse_sched_scan(&rdev->wiphy, NULL, tb,
11285 wowlan->max_nd_match_sets);
11286 err = PTR_ERR_OR_ZERO(trig->nd_config);
11288 trig->nd_config = NULL;
11295 static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
11297 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11298 struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG];
11299 struct cfg80211_wowlan new_triggers = {};
11300 struct cfg80211_wowlan *ntrig;
11301 const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan;
11303 bool prev_enabled = rdev->wiphy.wowlan_config;
11304 bool regular = false;
11307 return -EOPNOTSUPP;
11309 if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) {
11310 cfg80211_rdev_free_wowlan(rdev);
11311 rdev->wiphy.wowlan_config = NULL;
11315 err = nla_parse_nested_deprecated(tb, MAX_NL80211_WOWLAN_TRIG,
11316 info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS],
11317 nl80211_wowlan_policy, info->extack);
11321 if (tb[NL80211_WOWLAN_TRIG_ANY]) {
11322 if (!(wowlan->flags & WIPHY_WOWLAN_ANY))
11324 new_triggers.any = true;
11327 if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) {
11328 if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT))
11330 new_triggers.disconnect = true;
11334 if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) {
11335 if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT))
11337 new_triggers.magic_pkt = true;
11341 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED])
11344 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) {
11345 if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE))
11347 new_triggers.gtk_rekey_failure = true;
11351 if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) {
11352 if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ))
11354 new_triggers.eap_identity_req = true;
11358 if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) {
11359 if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE))
11361 new_triggers.four_way_handshake = true;
11365 if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) {
11366 if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE))
11368 new_triggers.rfkill_release = true;
11372 if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) {
11373 struct nlattr *pat;
11374 int n_patterns = 0;
11375 int rem, pat_len, mask_len, pkt_offset;
11376 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
11380 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
11383 if (n_patterns > wowlan->n_patterns)
11386 new_triggers.patterns = kcalloc(n_patterns,
11387 sizeof(new_triggers.patterns[0]),
11389 if (!new_triggers.patterns)
11392 new_triggers.n_patterns = n_patterns;
11395 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
11399 err = nla_parse_nested_deprecated(pat_tb,
11400 MAX_NL80211_PKTPAT,
11402 nl80211_packet_pattern_policy,
11408 if (!pat_tb[NL80211_PKTPAT_MASK] ||
11409 !pat_tb[NL80211_PKTPAT_PATTERN])
11411 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
11412 mask_len = DIV_ROUND_UP(pat_len, 8);
11413 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
11415 if (pat_len > wowlan->pattern_max_len ||
11416 pat_len < wowlan->pattern_min_len)
11419 if (!pat_tb[NL80211_PKTPAT_OFFSET])
11422 pkt_offset = nla_get_u32(
11423 pat_tb[NL80211_PKTPAT_OFFSET]);
11424 if (pkt_offset > wowlan->max_pkt_offset)
11426 new_triggers.patterns[i].pkt_offset = pkt_offset;
11428 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
11433 new_triggers.patterns[i].mask = mask_pat;
11434 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
11436 mask_pat += mask_len;
11437 new_triggers.patterns[i].pattern = mask_pat;
11438 new_triggers.patterns[i].pattern_len = pat_len;
11440 nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
11446 if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) {
11448 err = nl80211_parse_wowlan_tcp(
11449 rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION],
11455 if (tb[NL80211_WOWLAN_TRIG_NET_DETECT]) {
11457 err = nl80211_parse_wowlan_nd(
11458 rdev, wowlan, tb[NL80211_WOWLAN_TRIG_NET_DETECT],
11464 /* The 'any' trigger means the device continues operating more or less
11465 * as in its normal operation mode and wakes up the host on most of the
11466 * normal interrupts (like packet RX, ...)
11467 * It therefore makes little sense to combine with the more constrained
11468 * wakeup trigger modes.
11470 if (new_triggers.any && regular) {
11475 ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL);
11480 cfg80211_rdev_free_wowlan(rdev);
11481 rdev->wiphy.wowlan_config = ntrig;
11484 if (rdev->ops->set_wakeup &&
11485 prev_enabled != !!rdev->wiphy.wowlan_config)
11486 rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config);
11490 for (i = 0; i < new_triggers.n_patterns; i++)
11491 kfree(new_triggers.patterns[i].mask);
11492 kfree(new_triggers.patterns);
11493 if (new_triggers.tcp && new_triggers.tcp->sock)
11494 sock_release(new_triggers.tcp->sock);
11495 kfree(new_triggers.tcp);
11496 kfree(new_triggers.nd_config);
11501 static int nl80211_send_coalesce_rules(struct sk_buff *msg,
11502 struct cfg80211_registered_device *rdev)
11504 struct nlattr *nl_pats, *nl_pat, *nl_rule, *nl_rules;
11506 struct cfg80211_coalesce_rules *rule;
11508 if (!rdev->coalesce->n_rules)
11511 nl_rules = nla_nest_start_noflag(msg, NL80211_ATTR_COALESCE_RULE);
11515 for (i = 0; i < rdev->coalesce->n_rules; i++) {
11516 nl_rule = nla_nest_start_noflag(msg, i + 1);
11520 rule = &rdev->coalesce->rules[i];
11521 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_DELAY,
11525 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_CONDITION,
11529 nl_pats = nla_nest_start_noflag(msg,
11530 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN);
11534 for (j = 0; j < rule->n_patterns; j++) {
11535 nl_pat = nla_nest_start_noflag(msg, j + 1);
11538 pat_len = rule->patterns[j].pattern_len;
11539 if (nla_put(msg, NL80211_PKTPAT_MASK,
11540 DIV_ROUND_UP(pat_len, 8),
11541 rule->patterns[j].mask) ||
11542 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
11543 rule->patterns[j].pattern) ||
11544 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
11545 rule->patterns[j].pkt_offset))
11547 nla_nest_end(msg, nl_pat);
11549 nla_nest_end(msg, nl_pats);
11550 nla_nest_end(msg, nl_rule);
11552 nla_nest_end(msg, nl_rules);
11557 static int nl80211_get_coalesce(struct sk_buff *skb, struct genl_info *info)
11559 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11560 struct sk_buff *msg;
11563 if (!rdev->wiphy.coalesce)
11564 return -EOPNOTSUPP;
11566 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
11570 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
11571 NL80211_CMD_GET_COALESCE);
11573 goto nla_put_failure;
11575 if (rdev->coalesce && nl80211_send_coalesce_rules(msg, rdev))
11576 goto nla_put_failure;
11578 genlmsg_end(msg, hdr);
11579 return genlmsg_reply(msg, info);
11586 void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev)
11588 struct cfg80211_coalesce *coalesce = rdev->coalesce;
11590 struct cfg80211_coalesce_rules *rule;
11595 for (i = 0; i < coalesce->n_rules; i++) {
11596 rule = &coalesce->rules[i];
11597 for (j = 0; j < rule->n_patterns; j++)
11598 kfree(rule->patterns[j].mask);
11599 kfree(rule->patterns);
11601 kfree(coalesce->rules);
11603 rdev->coalesce = NULL;
11606 static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev,
11607 struct nlattr *rule,
11608 struct cfg80211_coalesce_rules *new_rule)
11611 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
11612 struct nlattr *tb[NUM_NL80211_ATTR_COALESCE_RULE], *pat;
11613 int rem, pat_len, mask_len, pkt_offset, n_patterns = 0;
11614 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
11616 err = nla_parse_nested_deprecated(tb, NL80211_ATTR_COALESCE_RULE_MAX,
11617 rule, nl80211_coalesce_policy, NULL);
11621 if (tb[NL80211_ATTR_COALESCE_RULE_DELAY])
11623 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_DELAY]);
11624 if (new_rule->delay > coalesce->max_delay)
11627 if (tb[NL80211_ATTR_COALESCE_RULE_CONDITION])
11628 new_rule->condition =
11629 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_CONDITION]);
11631 if (!tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN])
11634 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
11637 if (n_patterns > coalesce->n_patterns)
11640 new_rule->patterns = kcalloc(n_patterns, sizeof(new_rule->patterns[0]),
11642 if (!new_rule->patterns)
11645 new_rule->n_patterns = n_patterns;
11648 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
11652 err = nla_parse_nested_deprecated(pat_tb, MAX_NL80211_PKTPAT,
11654 nl80211_packet_pattern_policy,
11659 if (!pat_tb[NL80211_PKTPAT_MASK] ||
11660 !pat_tb[NL80211_PKTPAT_PATTERN])
11662 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
11663 mask_len = DIV_ROUND_UP(pat_len, 8);
11664 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
11666 if (pat_len > coalesce->pattern_max_len ||
11667 pat_len < coalesce->pattern_min_len)
11670 if (!pat_tb[NL80211_PKTPAT_OFFSET])
11673 pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]);
11674 if (pkt_offset > coalesce->max_pkt_offset)
11676 new_rule->patterns[i].pkt_offset = pkt_offset;
11678 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
11682 new_rule->patterns[i].mask = mask_pat;
11683 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
11686 mask_pat += mask_len;
11687 new_rule->patterns[i].pattern = mask_pat;
11688 new_rule->patterns[i].pattern_len = pat_len;
11689 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
11697 static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info)
11699 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11700 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
11701 struct cfg80211_coalesce new_coalesce = {};
11702 struct cfg80211_coalesce *n_coalesce;
11703 int err, rem_rule, n_rules = 0, i, j;
11704 struct nlattr *rule;
11705 struct cfg80211_coalesce_rules *tmp_rule;
11707 if (!rdev->wiphy.coalesce || !rdev->ops->set_coalesce)
11708 return -EOPNOTSUPP;
11710 if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) {
11711 cfg80211_rdev_free_coalesce(rdev);
11712 rdev_set_coalesce(rdev, NULL);
11716 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
11719 if (n_rules > coalesce->n_rules)
11722 new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]),
11724 if (!new_coalesce.rules)
11727 new_coalesce.n_rules = n_rules;
11730 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
11732 err = nl80211_parse_coalesce_rule(rdev, rule,
11733 &new_coalesce.rules[i]);
11740 err = rdev_set_coalesce(rdev, &new_coalesce);
11744 n_coalesce = kmemdup(&new_coalesce, sizeof(new_coalesce), GFP_KERNEL);
11749 cfg80211_rdev_free_coalesce(rdev);
11750 rdev->coalesce = n_coalesce;
11754 for (i = 0; i < new_coalesce.n_rules; i++) {
11755 tmp_rule = &new_coalesce.rules[i];
11756 for (j = 0; j < tmp_rule->n_patterns; j++)
11757 kfree(tmp_rule->patterns[j].mask);
11758 kfree(tmp_rule->patterns);
11760 kfree(new_coalesce.rules);
11765 static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info)
11767 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11768 struct net_device *dev = info->user_ptr[1];
11769 struct wireless_dev *wdev = dev->ieee80211_ptr;
11770 struct nlattr *tb[NUM_NL80211_REKEY_DATA];
11771 struct cfg80211_gtk_rekey_data rekey_data;
11774 if (!info->attrs[NL80211_ATTR_REKEY_DATA])
11777 err = nla_parse_nested_deprecated(tb, MAX_NL80211_REKEY_DATA,
11778 info->attrs[NL80211_ATTR_REKEY_DATA],
11779 nl80211_rekey_policy, info->extack);
11783 if (!tb[NL80211_REKEY_DATA_REPLAY_CTR] || !tb[NL80211_REKEY_DATA_KEK] ||
11784 !tb[NL80211_REKEY_DATA_KCK])
11786 if (nla_len(tb[NL80211_REKEY_DATA_REPLAY_CTR]) != NL80211_REPLAY_CTR_LEN)
11788 if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN)
11790 if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN)
11793 rekey_data.kek = nla_data(tb[NL80211_REKEY_DATA_KEK]);
11794 rekey_data.kck = nla_data(tb[NL80211_REKEY_DATA_KCK]);
11795 rekey_data.replay_ctr = nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]);
11798 if (!wdev->current_bss) {
11803 if (!rdev->ops->set_rekey_data) {
11808 err = rdev_set_rekey_data(rdev, dev, &rekey_data);
11814 static int nl80211_register_unexpected_frame(struct sk_buff *skb,
11815 struct genl_info *info)
11817 struct net_device *dev = info->user_ptr[1];
11818 struct wireless_dev *wdev = dev->ieee80211_ptr;
11820 if (wdev->iftype != NL80211_IFTYPE_AP &&
11821 wdev->iftype != NL80211_IFTYPE_P2P_GO)
11824 if (wdev->ap_unexpected_nlportid)
11827 wdev->ap_unexpected_nlportid = info->snd_portid;
11831 static int nl80211_probe_client(struct sk_buff *skb,
11832 struct genl_info *info)
11834 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11835 struct net_device *dev = info->user_ptr[1];
11836 struct wireless_dev *wdev = dev->ieee80211_ptr;
11837 struct sk_buff *msg;
11843 if (wdev->iftype != NL80211_IFTYPE_AP &&
11844 wdev->iftype != NL80211_IFTYPE_P2P_GO)
11845 return -EOPNOTSUPP;
11847 if (!info->attrs[NL80211_ATTR_MAC])
11850 if (!rdev->ops->probe_client)
11851 return -EOPNOTSUPP;
11853 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
11857 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
11858 NL80211_CMD_PROBE_CLIENT);
11864 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
11866 err = rdev_probe_client(rdev, dev, addr, &cookie);
11870 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
11872 goto nla_put_failure;
11874 genlmsg_end(msg, hdr);
11876 return genlmsg_reply(msg, info);
11885 static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info)
11887 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11888 struct cfg80211_beacon_registration *reg, *nreg;
11891 if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS))
11892 return -EOPNOTSUPP;
11894 nreg = kzalloc(sizeof(*nreg), GFP_KERNEL);
11898 /* First, check if already registered. */
11899 spin_lock_bh(&rdev->beacon_registrations_lock);
11900 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
11901 if (reg->nlportid == info->snd_portid) {
11906 /* Add it to the list */
11907 nreg->nlportid = info->snd_portid;
11908 list_add(&nreg->list, &rdev->beacon_registrations);
11910 spin_unlock_bh(&rdev->beacon_registrations_lock);
11914 spin_unlock_bh(&rdev->beacon_registrations_lock);
11919 static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info)
11921 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11922 struct wireless_dev *wdev = info->user_ptr[1];
11925 if (!rdev->ops->start_p2p_device)
11926 return -EOPNOTSUPP;
11928 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
11929 return -EOPNOTSUPP;
11931 if (wdev_running(wdev))
11934 if (rfkill_blocked(rdev->rfkill))
11937 err = rdev_start_p2p_device(rdev, wdev);
11941 wdev->is_running = true;
11947 static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info)
11949 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11950 struct wireless_dev *wdev = info->user_ptr[1];
11952 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
11953 return -EOPNOTSUPP;
11955 if (!rdev->ops->stop_p2p_device)
11956 return -EOPNOTSUPP;
11958 cfg80211_stop_p2p_device(rdev, wdev);
11963 static int nl80211_start_nan(struct sk_buff *skb, struct genl_info *info)
11965 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11966 struct wireless_dev *wdev = info->user_ptr[1];
11967 struct cfg80211_nan_conf conf = {};
11970 if (wdev->iftype != NL80211_IFTYPE_NAN)
11971 return -EOPNOTSUPP;
11973 if (wdev_running(wdev))
11976 if (rfkill_blocked(rdev->rfkill))
11979 if (!info->attrs[NL80211_ATTR_NAN_MASTER_PREF])
11983 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
11985 if (info->attrs[NL80211_ATTR_BANDS]) {
11986 u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]);
11988 if (bands & ~(u32)wdev->wiphy->nan_supported_bands)
11989 return -EOPNOTSUPP;
11991 if (bands && !(bands & BIT(NL80211_BAND_2GHZ)))
11994 conf.bands = bands;
11997 err = rdev_start_nan(rdev, wdev, &conf);
12001 wdev->is_running = true;
12007 static int nl80211_stop_nan(struct sk_buff *skb, struct genl_info *info)
12009 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12010 struct wireless_dev *wdev = info->user_ptr[1];
12012 if (wdev->iftype != NL80211_IFTYPE_NAN)
12013 return -EOPNOTSUPP;
12015 cfg80211_stop_nan(rdev, wdev);
12020 static int validate_nan_filter(struct nlattr *filter_attr)
12022 struct nlattr *attr;
12023 int len = 0, n_entries = 0, rem;
12025 nla_for_each_nested(attr, filter_attr, rem) {
12026 len += nla_len(attr);
12036 static int handle_nan_filter(struct nlattr *attr_filter,
12037 struct cfg80211_nan_func *func,
12040 struct nlattr *attr;
12041 int n_entries, rem, i;
12042 struct cfg80211_nan_func_filter *filter;
12044 n_entries = validate_nan_filter(attr_filter);
12048 BUILD_BUG_ON(sizeof(*func->rx_filters) != sizeof(*func->tx_filters));
12050 filter = kcalloc(n_entries, sizeof(*func->rx_filters), GFP_KERNEL);
12055 nla_for_each_nested(attr, attr_filter, rem) {
12056 filter[i].filter = nla_memdup(attr, GFP_KERNEL);
12057 filter[i].len = nla_len(attr);
12061 func->num_tx_filters = n_entries;
12062 func->tx_filters = filter;
12064 func->num_rx_filters = n_entries;
12065 func->rx_filters = filter;
12071 static int nl80211_nan_add_func(struct sk_buff *skb,
12072 struct genl_info *info)
12074 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12075 struct wireless_dev *wdev = info->user_ptr[1];
12076 struct nlattr *tb[NUM_NL80211_NAN_FUNC_ATTR], *func_attr;
12077 struct cfg80211_nan_func *func;
12078 struct sk_buff *msg = NULL;
12082 if (wdev->iftype != NL80211_IFTYPE_NAN)
12083 return -EOPNOTSUPP;
12085 if (!wdev_running(wdev))
12088 if (!info->attrs[NL80211_ATTR_NAN_FUNC])
12091 err = nla_parse_nested_deprecated(tb, NL80211_NAN_FUNC_ATTR_MAX,
12092 info->attrs[NL80211_ATTR_NAN_FUNC],
12093 nl80211_nan_func_policy,
12098 func = kzalloc(sizeof(*func), GFP_KERNEL);
12102 func->cookie = cfg80211_assign_cookie(rdev);
12104 if (!tb[NL80211_NAN_FUNC_TYPE] ||
12105 nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]) > NL80211_NAN_FUNC_MAX_TYPE) {
12111 func->type = nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]);
12113 if (!tb[NL80211_NAN_FUNC_SERVICE_ID]) {
12118 memcpy(func->service_id, nla_data(tb[NL80211_NAN_FUNC_SERVICE_ID]),
12119 sizeof(func->service_id));
12121 func->close_range =
12122 nla_get_flag(tb[NL80211_NAN_FUNC_CLOSE_RANGE]);
12124 if (tb[NL80211_NAN_FUNC_SERVICE_INFO]) {
12125 func->serv_spec_info_len =
12126 nla_len(tb[NL80211_NAN_FUNC_SERVICE_INFO]);
12127 func->serv_spec_info =
12128 kmemdup(nla_data(tb[NL80211_NAN_FUNC_SERVICE_INFO]),
12129 func->serv_spec_info_len,
12131 if (!func->serv_spec_info) {
12137 if (tb[NL80211_NAN_FUNC_TTL])
12138 func->ttl = nla_get_u32(tb[NL80211_NAN_FUNC_TTL]);
12140 switch (func->type) {
12141 case NL80211_NAN_FUNC_PUBLISH:
12142 if (!tb[NL80211_NAN_FUNC_PUBLISH_TYPE]) {
12147 func->publish_type =
12148 nla_get_u8(tb[NL80211_NAN_FUNC_PUBLISH_TYPE]);
12149 func->publish_bcast =
12150 nla_get_flag(tb[NL80211_NAN_FUNC_PUBLISH_BCAST]);
12152 if ((!(func->publish_type & NL80211_NAN_SOLICITED_PUBLISH)) &&
12153 func->publish_bcast) {
12158 case NL80211_NAN_FUNC_SUBSCRIBE:
12159 func->subscribe_active =
12160 nla_get_flag(tb[NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE]);
12162 case NL80211_NAN_FUNC_FOLLOW_UP:
12163 if (!tb[NL80211_NAN_FUNC_FOLLOW_UP_ID] ||
12164 !tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] ||
12165 !tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]) {
12170 func->followup_id =
12171 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_ID]);
12172 func->followup_reqid =
12173 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID]);
12174 memcpy(func->followup_dest.addr,
12175 nla_data(tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]),
12176 sizeof(func->followup_dest.addr));
12187 if (tb[NL80211_NAN_FUNC_SRF]) {
12188 struct nlattr *srf_tb[NUM_NL80211_NAN_SRF_ATTR];
12190 err = nla_parse_nested_deprecated(srf_tb,
12191 NL80211_NAN_SRF_ATTR_MAX,
12192 tb[NL80211_NAN_FUNC_SRF],
12193 nl80211_nan_srf_policy,
12198 func->srf_include =
12199 nla_get_flag(srf_tb[NL80211_NAN_SRF_INCLUDE]);
12201 if (srf_tb[NL80211_NAN_SRF_BF]) {
12202 if (srf_tb[NL80211_NAN_SRF_MAC_ADDRS] ||
12203 !srf_tb[NL80211_NAN_SRF_BF_IDX]) {
12209 nla_len(srf_tb[NL80211_NAN_SRF_BF]);
12211 kmemdup(nla_data(srf_tb[NL80211_NAN_SRF_BF]),
12212 func->srf_bf_len, GFP_KERNEL);
12213 if (!func->srf_bf) {
12219 nla_get_u8(srf_tb[NL80211_NAN_SRF_BF_IDX]);
12221 struct nlattr *attr, *mac_attr =
12222 srf_tb[NL80211_NAN_SRF_MAC_ADDRS];
12223 int n_entries, rem, i = 0;
12230 n_entries = validate_acl_mac_addrs(mac_attr);
12231 if (n_entries <= 0) {
12236 func->srf_num_macs = n_entries;
12238 kcalloc(n_entries, sizeof(*func->srf_macs),
12240 if (!func->srf_macs) {
12245 nla_for_each_nested(attr, mac_attr, rem)
12246 memcpy(func->srf_macs[i++].addr, nla_data(attr),
12247 sizeof(*func->srf_macs));
12251 if (tb[NL80211_NAN_FUNC_TX_MATCH_FILTER]) {
12252 err = handle_nan_filter(tb[NL80211_NAN_FUNC_TX_MATCH_FILTER],
12258 if (tb[NL80211_NAN_FUNC_RX_MATCH_FILTER]) {
12259 err = handle_nan_filter(tb[NL80211_NAN_FUNC_RX_MATCH_FILTER],
12265 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12271 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12272 NL80211_CMD_ADD_NAN_FUNCTION);
12273 /* This can't really happen - we just allocated 4KB */
12274 if (WARN_ON(!hdr)) {
12279 err = rdev_add_nan_func(rdev, wdev, func);
12282 cfg80211_free_nan_func(func);
12287 /* propagate the instance id and cookie to userspace */
12288 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, func->cookie,
12290 goto nla_put_failure;
12292 func_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_FUNC);
12294 goto nla_put_failure;
12296 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID,
12297 func->instance_id))
12298 goto nla_put_failure;
12300 nla_nest_end(msg, func_attr);
12302 genlmsg_end(msg, hdr);
12303 return genlmsg_reply(msg, info);
12310 static int nl80211_nan_del_func(struct sk_buff *skb,
12311 struct genl_info *info)
12313 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12314 struct wireless_dev *wdev = info->user_ptr[1];
12317 if (wdev->iftype != NL80211_IFTYPE_NAN)
12318 return -EOPNOTSUPP;
12320 if (!wdev_running(wdev))
12323 if (!info->attrs[NL80211_ATTR_COOKIE])
12326 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
12328 rdev_del_nan_func(rdev, wdev, cookie);
12333 static int nl80211_nan_change_config(struct sk_buff *skb,
12334 struct genl_info *info)
12336 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12337 struct wireless_dev *wdev = info->user_ptr[1];
12338 struct cfg80211_nan_conf conf = {};
12341 if (wdev->iftype != NL80211_IFTYPE_NAN)
12342 return -EOPNOTSUPP;
12344 if (!wdev_running(wdev))
12347 if (info->attrs[NL80211_ATTR_NAN_MASTER_PREF]) {
12349 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
12350 if (conf.master_pref <= 1 || conf.master_pref == 255)
12353 changed |= CFG80211_NAN_CONF_CHANGED_PREF;
12356 if (info->attrs[NL80211_ATTR_BANDS]) {
12357 u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]);
12359 if (bands & ~(u32)wdev->wiphy->nan_supported_bands)
12360 return -EOPNOTSUPP;
12362 if (bands && !(bands & BIT(NL80211_BAND_2GHZ)))
12365 conf.bands = bands;
12366 changed |= CFG80211_NAN_CONF_CHANGED_BANDS;
12372 return rdev_nan_change_conf(rdev, wdev, &conf, changed);
12375 void cfg80211_nan_match(struct wireless_dev *wdev,
12376 struct cfg80211_nan_match_params *match, gfp_t gfp)
12378 struct wiphy *wiphy = wdev->wiphy;
12379 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
12380 struct nlattr *match_attr, *local_func_attr, *peer_func_attr;
12381 struct sk_buff *msg;
12384 if (WARN_ON(!match->inst_id || !match->peer_inst_id || !match->addr))
12387 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
12391 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NAN_MATCH);
12397 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
12398 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
12399 wdev->netdev->ifindex)) ||
12400 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
12402 goto nla_put_failure;
12404 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, match->cookie,
12405 NL80211_ATTR_PAD) ||
12406 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, match->addr))
12407 goto nla_put_failure;
12409 match_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_MATCH);
12411 goto nla_put_failure;
12413 local_func_attr = nla_nest_start_noflag(msg,
12414 NL80211_NAN_MATCH_FUNC_LOCAL);
12415 if (!local_func_attr)
12416 goto nla_put_failure;
12418 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->inst_id))
12419 goto nla_put_failure;
12421 nla_nest_end(msg, local_func_attr);
12423 peer_func_attr = nla_nest_start_noflag(msg,
12424 NL80211_NAN_MATCH_FUNC_PEER);
12425 if (!peer_func_attr)
12426 goto nla_put_failure;
12428 if (nla_put_u8(msg, NL80211_NAN_FUNC_TYPE, match->type) ||
12429 nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->peer_inst_id))
12430 goto nla_put_failure;
12432 if (match->info && match->info_len &&
12433 nla_put(msg, NL80211_NAN_FUNC_SERVICE_INFO, match->info_len,
12435 goto nla_put_failure;
12437 nla_nest_end(msg, peer_func_attr);
12438 nla_nest_end(msg, match_attr);
12439 genlmsg_end(msg, hdr);
12441 if (!wdev->owner_nlportid)
12442 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
12443 msg, 0, NL80211_MCGRP_NAN, gfp);
12445 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
12446 wdev->owner_nlportid);
12453 EXPORT_SYMBOL(cfg80211_nan_match);
12455 void cfg80211_nan_func_terminated(struct wireless_dev *wdev,
12457 enum nl80211_nan_func_term_reason reason,
12458 u64 cookie, gfp_t gfp)
12460 struct wiphy *wiphy = wdev->wiphy;
12461 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
12462 struct sk_buff *msg;
12463 struct nlattr *func_attr;
12466 if (WARN_ON(!inst_id))
12469 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
12473 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_NAN_FUNCTION);
12479 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
12480 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
12481 wdev->netdev->ifindex)) ||
12482 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
12484 goto nla_put_failure;
12486 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
12488 goto nla_put_failure;
12490 func_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_FUNC);
12492 goto nla_put_failure;
12494 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, inst_id) ||
12495 nla_put_u8(msg, NL80211_NAN_FUNC_TERM_REASON, reason))
12496 goto nla_put_failure;
12498 nla_nest_end(msg, func_attr);
12499 genlmsg_end(msg, hdr);
12501 if (!wdev->owner_nlportid)
12502 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
12503 msg, 0, NL80211_MCGRP_NAN, gfp);
12505 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
12506 wdev->owner_nlportid);
12513 EXPORT_SYMBOL(cfg80211_nan_func_terminated);
12515 static int nl80211_get_protocol_features(struct sk_buff *skb,
12516 struct genl_info *info)
12519 struct sk_buff *msg;
12521 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12525 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12526 NL80211_CMD_GET_PROTOCOL_FEATURES);
12528 goto nla_put_failure;
12530 if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES,
12531 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP))
12532 goto nla_put_failure;
12534 genlmsg_end(msg, hdr);
12535 return genlmsg_reply(msg, info);
12542 static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info)
12544 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12545 struct cfg80211_update_ft_ies_params ft_params;
12546 struct net_device *dev = info->user_ptr[1];
12548 if (!rdev->ops->update_ft_ies)
12549 return -EOPNOTSUPP;
12551 if (!info->attrs[NL80211_ATTR_MDID] ||
12552 !info->attrs[NL80211_ATTR_IE])
12555 memset(&ft_params, 0, sizeof(ft_params));
12556 ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]);
12557 ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
12558 ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
12560 return rdev_update_ft_ies(rdev, dev, &ft_params);
12563 static int nl80211_crit_protocol_start(struct sk_buff *skb,
12564 struct genl_info *info)
12566 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12567 struct wireless_dev *wdev = info->user_ptr[1];
12568 enum nl80211_crit_proto_id proto = NL80211_CRIT_PROTO_UNSPEC;
12572 if (!rdev->ops->crit_proto_start)
12573 return -EOPNOTSUPP;
12575 if (WARN_ON(!rdev->ops->crit_proto_stop))
12578 if (rdev->crit_proto_nlportid)
12581 /* determine protocol if provided */
12582 if (info->attrs[NL80211_ATTR_CRIT_PROT_ID])
12583 proto = nla_get_u16(info->attrs[NL80211_ATTR_CRIT_PROT_ID]);
12585 if (proto >= NUM_NL80211_CRIT_PROTO)
12588 /* timeout must be provided */
12589 if (!info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION])
12593 nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]);
12595 if (duration > NL80211_CRIT_PROTO_MAX_DURATION)
12598 ret = rdev_crit_proto_start(rdev, wdev, proto, duration);
12600 rdev->crit_proto_nlportid = info->snd_portid;
12605 static int nl80211_crit_protocol_stop(struct sk_buff *skb,
12606 struct genl_info *info)
12608 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12609 struct wireless_dev *wdev = info->user_ptr[1];
12611 if (!rdev->ops->crit_proto_stop)
12612 return -EOPNOTSUPP;
12614 if (rdev->crit_proto_nlportid) {
12615 rdev->crit_proto_nlportid = 0;
12616 rdev_crit_proto_stop(rdev, wdev);
12621 static int nl80211_vendor_cmd(struct sk_buff *skb, struct genl_info *info)
12623 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12624 struct wireless_dev *wdev =
12625 __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs);
12629 if (!rdev->wiphy.vendor_commands)
12630 return -EOPNOTSUPP;
12632 if (IS_ERR(wdev)) {
12633 err = PTR_ERR(wdev);
12634 if (err != -EINVAL)
12637 } else if (wdev->wiphy != &rdev->wiphy) {
12641 if (!info->attrs[NL80211_ATTR_VENDOR_ID] ||
12642 !info->attrs[NL80211_ATTR_VENDOR_SUBCMD])
12645 vid = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_ID]);
12646 subcmd = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_SUBCMD]);
12647 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
12648 const struct wiphy_vendor_command *vcmd;
12652 vcmd = &rdev->wiphy.vendor_commands[i];
12654 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
12657 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
12658 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
12661 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
12665 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
12666 if (!wdev_running(wdev))
12671 return -EOPNOTSUPP;
12676 if (info->attrs[NL80211_ATTR_VENDOR_DATA]) {
12677 data = nla_data(info->attrs[NL80211_ATTR_VENDOR_DATA]);
12678 len = nla_len(info->attrs[NL80211_ATTR_VENDOR_DATA]);
12681 rdev->cur_cmd_info = info;
12682 err = rdev->wiphy.vendor_commands[i].doit(&rdev->wiphy, wdev,
12684 rdev->cur_cmd_info = NULL;
12688 return -EOPNOTSUPP;
12691 static int nl80211_prepare_vendor_dump(struct sk_buff *skb,
12692 struct netlink_callback *cb,
12693 struct cfg80211_registered_device **rdev,
12694 struct wireless_dev **wdev)
12696 struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam);
12702 unsigned int data_len = 0;
12705 /* subtract the 1 again here */
12706 struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
12707 struct wireless_dev *tmp;
12711 *rdev = wiphy_to_rdev(wiphy);
12715 list_for_each_entry(tmp, &wiphy->wdev_list, list) {
12716 if (tmp->identifier == cb->args[1] - 1) {
12723 /* keep rtnl locked in successful case */
12727 err = nlmsg_parse_deprecated(cb->nlh,
12728 GENL_HDRLEN + nl80211_fam.hdrsize,
12729 attrbuf, nl80211_fam.maxattr,
12730 nl80211_policy, NULL);
12734 if (!attrbuf[NL80211_ATTR_VENDOR_ID] ||
12735 !attrbuf[NL80211_ATTR_VENDOR_SUBCMD])
12738 *wdev = __cfg80211_wdev_from_attrs(sock_net(skb->sk), attrbuf);
12742 *rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
12744 return PTR_ERR(*rdev);
12746 vid = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_ID]);
12747 subcmd = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_SUBCMD]);
12749 for (i = 0; i < (*rdev)->wiphy.n_vendor_commands; i++) {
12750 const struct wiphy_vendor_command *vcmd;
12752 vcmd = &(*rdev)->wiphy.vendor_commands[i];
12754 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
12758 return -EOPNOTSUPP;
12765 return -EOPNOTSUPP;
12767 if (attrbuf[NL80211_ATTR_VENDOR_DATA]) {
12768 data = nla_data(attrbuf[NL80211_ATTR_VENDOR_DATA]);
12769 data_len = nla_len(attrbuf[NL80211_ATTR_VENDOR_DATA]);
12772 /* 0 is the first index - add 1 to parse only once */
12773 cb->args[0] = (*rdev)->wiphy_idx + 1;
12774 /* add 1 to know if it was NULL */
12775 cb->args[1] = *wdev ? (*wdev)->identifier + 1 : 0;
12776 cb->args[2] = vcmd_idx;
12777 cb->args[3] = (unsigned long)data;
12778 cb->args[4] = data_len;
12780 /* keep rtnl locked in successful case */
12784 static int nl80211_vendor_cmd_dump(struct sk_buff *skb,
12785 struct netlink_callback *cb)
12787 struct cfg80211_registered_device *rdev;
12788 struct wireless_dev *wdev;
12789 unsigned int vcmd_idx;
12790 const struct wiphy_vendor_command *vcmd;
12794 struct nlattr *vendor_data;
12797 err = nl80211_prepare_vendor_dump(skb, cb, &rdev, &wdev);
12801 vcmd_idx = cb->args[2];
12802 data = (void *)cb->args[3];
12803 data_len = cb->args[4];
12804 vcmd = &rdev->wiphy.vendor_commands[vcmd_idx];
12806 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
12807 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
12812 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
12818 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
12819 if (!wdev_running(wdev)) {
12827 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
12828 cb->nlh->nlmsg_seq, NLM_F_MULTI,
12829 NL80211_CMD_VENDOR);
12833 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
12834 (wdev && nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
12836 NL80211_ATTR_PAD))) {
12837 genlmsg_cancel(skb, hdr);
12841 vendor_data = nla_nest_start_noflag(skb,
12842 NL80211_ATTR_VENDOR_DATA);
12843 if (!vendor_data) {
12844 genlmsg_cancel(skb, hdr);
12848 err = vcmd->dumpit(&rdev->wiphy, wdev, skb, data, data_len,
12849 (unsigned long *)&cb->args[5]);
12850 nla_nest_end(skb, vendor_data);
12852 if (err == -ENOBUFS || err == -ENOENT) {
12853 genlmsg_cancel(skb, hdr);
12856 genlmsg_cancel(skb, hdr);
12860 genlmsg_end(skb, hdr);
12869 struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy,
12870 enum nl80211_commands cmd,
12871 enum nl80211_attrs attr,
12874 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
12876 if (WARN_ON(!rdev->cur_cmd_info))
12879 return __cfg80211_alloc_vendor_skb(rdev, NULL, approxlen,
12880 rdev->cur_cmd_info->snd_portid,
12881 rdev->cur_cmd_info->snd_seq,
12882 cmd, attr, NULL, GFP_KERNEL);
12884 EXPORT_SYMBOL(__cfg80211_alloc_reply_skb);
12886 int cfg80211_vendor_cmd_reply(struct sk_buff *skb)
12888 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
12889 void *hdr = ((void **)skb->cb)[1];
12890 struct nlattr *data = ((void **)skb->cb)[2];
12892 /* clear CB data for netlink core to own from now on */
12893 memset(skb->cb, 0, sizeof(skb->cb));
12895 if (WARN_ON(!rdev->cur_cmd_info)) {
12900 nla_nest_end(skb, data);
12901 genlmsg_end(skb, hdr);
12902 return genlmsg_reply(skb, rdev->cur_cmd_info);
12904 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply);
12906 unsigned int cfg80211_vendor_cmd_get_sender(struct wiphy *wiphy)
12908 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
12910 if (WARN_ON(!rdev->cur_cmd_info))
12913 return rdev->cur_cmd_info->snd_portid;
12915 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_get_sender);
12917 static int nl80211_set_qos_map(struct sk_buff *skb,
12918 struct genl_info *info)
12920 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12921 struct cfg80211_qos_map *qos_map = NULL;
12922 struct net_device *dev = info->user_ptr[1];
12923 u8 *pos, len, num_des, des_len, des;
12926 if (!rdev->ops->set_qos_map)
12927 return -EOPNOTSUPP;
12929 if (info->attrs[NL80211_ATTR_QOS_MAP]) {
12930 pos = nla_data(info->attrs[NL80211_ATTR_QOS_MAP]);
12931 len = nla_len(info->attrs[NL80211_ATTR_QOS_MAP]);
12933 if (len % 2 || len < IEEE80211_QOS_MAP_LEN_MIN ||
12934 len > IEEE80211_QOS_MAP_LEN_MAX)
12937 qos_map = kzalloc(sizeof(struct cfg80211_qos_map), GFP_KERNEL);
12941 num_des = (len - IEEE80211_QOS_MAP_LEN_MIN) >> 1;
12943 des_len = num_des *
12944 sizeof(struct cfg80211_dscp_exception);
12945 memcpy(qos_map->dscp_exception, pos, des_len);
12946 qos_map->num_des = num_des;
12947 for (des = 0; des < num_des; des++) {
12948 if (qos_map->dscp_exception[des].up > 7) {
12955 memcpy(qos_map->up, pos, IEEE80211_QOS_MAP_LEN_MIN);
12958 wdev_lock(dev->ieee80211_ptr);
12959 ret = nl80211_key_allowed(dev->ieee80211_ptr);
12961 ret = rdev_set_qos_map(rdev, dev, qos_map);
12962 wdev_unlock(dev->ieee80211_ptr);
12968 static int nl80211_add_tx_ts(struct sk_buff *skb, struct genl_info *info)
12970 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12971 struct net_device *dev = info->user_ptr[1];
12972 struct wireless_dev *wdev = dev->ieee80211_ptr;
12975 u16 admitted_time = 0;
12978 if (!(rdev->wiphy.features & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION))
12979 return -EOPNOTSUPP;
12981 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC] ||
12982 !info->attrs[NL80211_ATTR_USER_PRIO])
12985 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
12986 up = nla_get_u8(info->attrs[NL80211_ATTR_USER_PRIO]);
12988 /* WMM uses TIDs 0-7 even for TSPEC */
12989 if (tsid >= IEEE80211_FIRST_TSPEC_TSID) {
12990 /* TODO: handle 802.11 TSPEC/admission control
12991 * need more attributes for that (e.g. BA session requirement);
12992 * change the WMM adminssion test above to allow both then
12997 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
12999 if (info->attrs[NL80211_ATTR_ADMITTED_TIME]) {
13001 nla_get_u16(info->attrs[NL80211_ATTR_ADMITTED_TIME]);
13002 if (!admitted_time)
13007 switch (wdev->iftype) {
13008 case NL80211_IFTYPE_STATION:
13009 case NL80211_IFTYPE_P2P_CLIENT:
13010 if (wdev->current_bss)
13019 err = rdev_add_tx_ts(rdev, dev, tsid, peer, up, admitted_time);
13026 static int nl80211_del_tx_ts(struct sk_buff *skb, struct genl_info *info)
13028 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13029 struct net_device *dev = info->user_ptr[1];
13030 struct wireless_dev *wdev = dev->ieee80211_ptr;
13035 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC])
13038 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
13039 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
13042 err = rdev_del_tx_ts(rdev, dev, tsid, peer);
13048 static int nl80211_tdls_channel_switch(struct sk_buff *skb,
13049 struct genl_info *info)
13051 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13052 struct net_device *dev = info->user_ptr[1];
13053 struct wireless_dev *wdev = dev->ieee80211_ptr;
13054 struct cfg80211_chan_def chandef = {};
13059 if (!rdev->ops->tdls_channel_switch ||
13060 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
13061 return -EOPNOTSUPP;
13063 switch (dev->ieee80211_ptr->iftype) {
13064 case NL80211_IFTYPE_STATION:
13065 case NL80211_IFTYPE_P2P_CLIENT:
13068 return -EOPNOTSUPP;
13071 if (!info->attrs[NL80211_ATTR_MAC] ||
13072 !info->attrs[NL80211_ATTR_OPER_CLASS])
13075 err = nl80211_parse_chandef(rdev, info, &chandef);
13080 * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012
13081 * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the
13082 * specification is not defined for them.
13084 if (chandef.chan->band == NL80211_BAND_2GHZ &&
13085 chandef.width != NL80211_CHAN_WIDTH_20_NOHT &&
13086 chandef.width != NL80211_CHAN_WIDTH_20)
13089 /* we will be active on the TDLS link */
13090 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
13094 /* don't allow switching to DFS channels */
13095 if (cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, wdev->iftype))
13098 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
13099 oper_class = nla_get_u8(info->attrs[NL80211_ATTR_OPER_CLASS]);
13102 err = rdev_tdls_channel_switch(rdev, dev, addr, oper_class, &chandef);
13108 static int nl80211_tdls_cancel_channel_switch(struct sk_buff *skb,
13109 struct genl_info *info)
13111 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13112 struct net_device *dev = info->user_ptr[1];
13113 struct wireless_dev *wdev = dev->ieee80211_ptr;
13116 if (!rdev->ops->tdls_channel_switch ||
13117 !rdev->ops->tdls_cancel_channel_switch ||
13118 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
13119 return -EOPNOTSUPP;
13121 switch (dev->ieee80211_ptr->iftype) {
13122 case NL80211_IFTYPE_STATION:
13123 case NL80211_IFTYPE_P2P_CLIENT:
13126 return -EOPNOTSUPP;
13129 if (!info->attrs[NL80211_ATTR_MAC])
13132 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
13135 rdev_tdls_cancel_channel_switch(rdev, dev, addr);
13141 static int nl80211_set_multicast_to_unicast(struct sk_buff *skb,
13142 struct genl_info *info)
13144 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13145 struct net_device *dev = info->user_ptr[1];
13146 struct wireless_dev *wdev = dev->ieee80211_ptr;
13147 const struct nlattr *nla;
13150 if (!rdev->ops->set_multicast_to_unicast)
13151 return -EOPNOTSUPP;
13153 if (wdev->iftype != NL80211_IFTYPE_AP &&
13154 wdev->iftype != NL80211_IFTYPE_P2P_GO)
13155 return -EOPNOTSUPP;
13157 nla = info->attrs[NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED];
13158 enabled = nla_get_flag(nla);
13160 return rdev_set_multicast_to_unicast(rdev, dev, enabled);
13163 static int nl80211_set_pmk(struct sk_buff *skb, struct genl_info *info)
13165 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13166 struct net_device *dev = info->user_ptr[1];
13167 struct wireless_dev *wdev = dev->ieee80211_ptr;
13168 struct cfg80211_pmk_conf pmk_conf = {};
13171 if (wdev->iftype != NL80211_IFTYPE_STATION &&
13172 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
13173 return -EOPNOTSUPP;
13175 if (!wiphy_ext_feature_isset(&rdev->wiphy,
13176 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
13177 return -EOPNOTSUPP;
13179 if (!info->attrs[NL80211_ATTR_MAC] || !info->attrs[NL80211_ATTR_PMK])
13183 if (!wdev->current_bss) {
13188 pmk_conf.aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
13189 if (memcmp(pmk_conf.aa, wdev->current_bss->pub.bssid, ETH_ALEN)) {
13194 pmk_conf.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
13195 pmk_conf.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
13196 if (pmk_conf.pmk_len != WLAN_PMK_LEN &&
13197 pmk_conf.pmk_len != WLAN_PMK_LEN_SUITE_B_192) {
13202 if (info->attrs[NL80211_ATTR_PMKR0_NAME]) {
13203 int r0_name_len = nla_len(info->attrs[NL80211_ATTR_PMKR0_NAME]);
13205 if (r0_name_len != WLAN_PMK_NAME_LEN) {
13210 pmk_conf.pmk_r0_name =
13211 nla_data(info->attrs[NL80211_ATTR_PMKR0_NAME]);
13214 ret = rdev_set_pmk(rdev, dev, &pmk_conf);
13220 static int nl80211_del_pmk(struct sk_buff *skb, struct genl_info *info)
13222 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13223 struct net_device *dev = info->user_ptr[1];
13224 struct wireless_dev *wdev = dev->ieee80211_ptr;
13228 if (wdev->iftype != NL80211_IFTYPE_STATION &&
13229 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
13230 return -EOPNOTSUPP;
13232 if (!wiphy_ext_feature_isset(&rdev->wiphy,
13233 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
13234 return -EOPNOTSUPP;
13236 if (!info->attrs[NL80211_ATTR_MAC])
13240 aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
13241 ret = rdev_del_pmk(rdev, dev, aa);
13247 static int nl80211_external_auth(struct sk_buff *skb, struct genl_info *info)
13249 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13250 struct net_device *dev = info->user_ptr[1];
13251 struct cfg80211_external_auth_params params;
13253 if (!rdev->ops->external_auth)
13254 return -EOPNOTSUPP;
13256 if (!info->attrs[NL80211_ATTR_SSID] &&
13257 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
13258 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
13261 if (!info->attrs[NL80211_ATTR_BSSID])
13264 if (!info->attrs[NL80211_ATTR_STATUS_CODE])
13267 memset(¶ms, 0, sizeof(params));
13269 if (info->attrs[NL80211_ATTR_SSID]) {
13270 params.ssid.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
13271 if (params.ssid.ssid_len == 0 ||
13272 params.ssid.ssid_len > IEEE80211_MAX_SSID_LEN)
13274 memcpy(params.ssid.ssid,
13275 nla_data(info->attrs[NL80211_ATTR_SSID]),
13276 params.ssid.ssid_len);
13279 memcpy(params.bssid, nla_data(info->attrs[NL80211_ATTR_BSSID]),
13282 params.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
13284 if (info->attrs[NL80211_ATTR_PMKID])
13285 params.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
13287 return rdev_external_auth(rdev, dev, ¶ms);
13290 static int nl80211_tx_control_port(struct sk_buff *skb, struct genl_info *info)
13292 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13293 struct net_device *dev = info->user_ptr[1];
13294 struct wireless_dev *wdev = dev->ieee80211_ptr;
13302 if (!wiphy_ext_feature_isset(&rdev->wiphy,
13303 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
13304 return -EOPNOTSUPP;
13306 if (!rdev->ops->tx_control_port)
13307 return -EOPNOTSUPP;
13309 if (!info->attrs[NL80211_ATTR_FRAME] ||
13310 !info->attrs[NL80211_ATTR_MAC] ||
13311 !info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
13312 GENL_SET_ERR_MSG(info, "Frame, MAC or ethertype missing");
13318 switch (wdev->iftype) {
13319 case NL80211_IFTYPE_AP:
13320 case NL80211_IFTYPE_P2P_GO:
13321 case NL80211_IFTYPE_MESH_POINT:
13323 case NL80211_IFTYPE_ADHOC:
13324 case NL80211_IFTYPE_STATION:
13325 case NL80211_IFTYPE_P2P_CLIENT:
13326 if (wdev->current_bss)
13337 buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
13338 len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
13339 dest = nla_data(info->attrs[NL80211_ATTR_MAC]);
13340 proto = nla_get_u16(info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
13342 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]);
13344 return rdev_tx_control_port(rdev, dev, buf, len,
13345 dest, cpu_to_be16(proto), noencrypt);
13352 static int nl80211_get_ftm_responder_stats(struct sk_buff *skb,
13353 struct genl_info *info)
13355 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13356 struct net_device *dev = info->user_ptr[1];
13357 struct wireless_dev *wdev = dev->ieee80211_ptr;
13358 struct cfg80211_ftm_responder_stats ftm_stats = {};
13359 struct sk_buff *msg;
13361 struct nlattr *ftm_stats_attr;
13364 if (wdev->iftype != NL80211_IFTYPE_AP || !wdev->beacon_interval)
13365 return -EOPNOTSUPP;
13367 err = rdev_get_ftm_responder_stats(rdev, dev, &ftm_stats);
13371 if (!ftm_stats.filled)
13374 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
13378 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
13379 NL80211_CMD_GET_FTM_RESPONDER_STATS);
13383 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
13384 goto nla_put_failure;
13386 ftm_stats_attr = nla_nest_start_noflag(msg,
13387 NL80211_ATTR_FTM_RESPONDER_STATS);
13388 if (!ftm_stats_attr)
13389 goto nla_put_failure;
13391 #define SET_FTM(field, name, type) \
13392 do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
13393 nla_put_ ## type(msg, NL80211_FTM_STATS_ ## name, \
13394 ftm_stats.field)) \
13395 goto nla_put_failure; } while (0)
13396 #define SET_FTM_U64(field, name) \
13397 do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
13398 nla_put_u64_64bit(msg, NL80211_FTM_STATS_ ## name, \
13399 ftm_stats.field, NL80211_FTM_STATS_PAD)) \
13400 goto nla_put_failure; } while (0)
13402 SET_FTM(success_num, SUCCESS_NUM, u32);
13403 SET_FTM(partial_num, PARTIAL_NUM, u32);
13404 SET_FTM(failed_num, FAILED_NUM, u32);
13405 SET_FTM(asap_num, ASAP_NUM, u32);
13406 SET_FTM(non_asap_num, NON_ASAP_NUM, u32);
13407 SET_FTM_U64(total_duration_ms, TOTAL_DURATION_MSEC);
13408 SET_FTM(unknown_triggers_num, UNKNOWN_TRIGGERS_NUM, u32);
13409 SET_FTM(reschedule_requests_num, RESCHEDULE_REQUESTS_NUM, u32);
13410 SET_FTM(out_of_window_triggers_num, OUT_OF_WINDOW_TRIGGERS_NUM, u32);
13413 nla_nest_end(msg, ftm_stats_attr);
13415 genlmsg_end(msg, hdr);
13416 return genlmsg_reply(msg, info);
13423 static int nl80211_update_owe_info(struct sk_buff *skb, struct genl_info *info)
13425 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13426 struct cfg80211_update_owe_info owe_info;
13427 struct net_device *dev = info->user_ptr[1];
13429 if (!rdev->ops->update_owe_info)
13430 return -EOPNOTSUPP;
13432 if (!info->attrs[NL80211_ATTR_STATUS_CODE] ||
13433 !info->attrs[NL80211_ATTR_MAC])
13436 memset(&owe_info, 0, sizeof(owe_info));
13437 owe_info.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
13438 nla_memcpy(owe_info.peer, info->attrs[NL80211_ATTR_MAC], ETH_ALEN);
13440 if (info->attrs[NL80211_ATTR_IE]) {
13441 owe_info.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
13442 owe_info.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
13445 return rdev_update_owe_info(rdev, dev, &owe_info);
13448 static int nl80211_probe_mesh_link(struct sk_buff *skb, struct genl_info *info)
13450 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13451 struct net_device *dev = info->user_ptr[1];
13452 struct wireless_dev *wdev = dev->ieee80211_ptr;
13453 struct station_info sinfo = {};
13459 if (!rdev->ops->probe_mesh_link || !rdev->ops->get_station)
13460 return -EOPNOTSUPP;
13462 if (!info->attrs[NL80211_ATTR_MAC] ||
13463 !info->attrs[NL80211_ATTR_FRAME]) {
13464 GENL_SET_ERR_MSG(info, "Frame or MAC missing");
13468 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
13469 return -EOPNOTSUPP;
13471 dest = nla_data(info->attrs[NL80211_ATTR_MAC]);
13472 buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
13473 len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
13475 if (len < sizeof(struct ethhdr))
13478 if (!ether_addr_equal(buf, dest) || is_multicast_ether_addr(buf) ||
13479 !ether_addr_equal(buf + ETH_ALEN, dev->dev_addr))
13482 err = rdev_get_station(rdev, dev, dest, &sinfo);
13486 return rdev_probe_mesh_link(rdev, dev, dest, buf, len);
13489 #define NL80211_FLAG_NEED_WIPHY 0x01
13490 #define NL80211_FLAG_NEED_NETDEV 0x02
13491 #define NL80211_FLAG_NEED_RTNL 0x04
13492 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
13493 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
13494 NL80211_FLAG_CHECK_NETDEV_UP)
13495 #define NL80211_FLAG_NEED_WDEV 0x10
13496 /* If a netdev is associated, it must be UP, P2P must be started */
13497 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
13498 NL80211_FLAG_CHECK_NETDEV_UP)
13499 #define NL80211_FLAG_CLEAR_SKB 0x20
13501 static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb,
13502 struct genl_info *info)
13504 struct cfg80211_registered_device *rdev;
13505 struct wireless_dev *wdev;
13506 struct net_device *dev;
13507 bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL;
13512 if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) {
13513 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
13514 if (IS_ERR(rdev)) {
13517 return PTR_ERR(rdev);
13519 info->user_ptr[0] = rdev;
13520 } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV ||
13521 ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
13524 wdev = __cfg80211_wdev_from_attrs(genl_info_net(info),
13526 if (IS_ERR(wdev)) {
13529 return PTR_ERR(wdev);
13532 dev = wdev->netdev;
13533 rdev = wiphy_to_rdev(wdev->wiphy);
13535 if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) {
13542 info->user_ptr[1] = dev;
13544 info->user_ptr[1] = wdev;
13547 if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP &&
13548 !wdev_running(wdev)) {
13557 info->user_ptr[0] = rdev;
13563 static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb,
13564 struct genl_info *info)
13566 if (info->user_ptr[1]) {
13567 if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
13568 struct wireless_dev *wdev = info->user_ptr[1];
13571 dev_put(wdev->netdev);
13573 dev_put(info->user_ptr[1]);
13577 if (ops->internal_flags & NL80211_FLAG_NEED_RTNL)
13580 /* If needed, clear the netlink message payload from the SKB
13581 * as it might contain key data that shouldn't stick around on
13582 * the heap after the SKB is freed. The netlink message header
13583 * is still needed for further processing, so leave it intact.
13585 if (ops->internal_flags & NL80211_FLAG_CLEAR_SKB) {
13586 struct nlmsghdr *nlh = nlmsg_hdr(skb);
13588 memset(nlmsg_data(nlh), 0, nlmsg_len(nlh));
13592 static const struct genl_ops nl80211_ops[] = {
13594 .cmd = NL80211_CMD_GET_WIPHY,
13595 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13596 .doit = nl80211_get_wiphy,
13597 .dumpit = nl80211_dump_wiphy,
13598 .done = nl80211_dump_wiphy_done,
13599 /* can be retrieved by unprivileged users */
13600 .internal_flags = NL80211_FLAG_NEED_WIPHY |
13601 NL80211_FLAG_NEED_RTNL,
13604 .cmd = NL80211_CMD_SET_WIPHY,
13605 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13606 .doit = nl80211_set_wiphy,
13607 .flags = GENL_UNS_ADMIN_PERM,
13608 .internal_flags = NL80211_FLAG_NEED_RTNL,
13611 .cmd = NL80211_CMD_GET_INTERFACE,
13612 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13613 .doit = nl80211_get_interface,
13614 .dumpit = nl80211_dump_interface,
13615 /* can be retrieved by unprivileged users */
13616 .internal_flags = NL80211_FLAG_NEED_WDEV |
13617 NL80211_FLAG_NEED_RTNL,
13620 .cmd = NL80211_CMD_SET_INTERFACE,
13621 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13622 .doit = nl80211_set_interface,
13623 .flags = GENL_UNS_ADMIN_PERM,
13624 .internal_flags = NL80211_FLAG_NEED_NETDEV |
13625 NL80211_FLAG_NEED_RTNL,
13628 .cmd = NL80211_CMD_NEW_INTERFACE,
13629 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13630 .doit = nl80211_new_interface,
13631 .flags = GENL_UNS_ADMIN_PERM,
13632 .internal_flags = NL80211_FLAG_NEED_WIPHY |
13633 NL80211_FLAG_NEED_RTNL,
13636 .cmd = NL80211_CMD_DEL_INTERFACE,
13637 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13638 .doit = nl80211_del_interface,
13639 .flags = GENL_UNS_ADMIN_PERM,
13640 .internal_flags = NL80211_FLAG_NEED_WDEV |
13641 NL80211_FLAG_NEED_RTNL,
13644 .cmd = NL80211_CMD_GET_KEY,
13645 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13646 .doit = nl80211_get_key,
13647 .flags = GENL_UNS_ADMIN_PERM,
13648 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13649 NL80211_FLAG_NEED_RTNL,
13652 .cmd = NL80211_CMD_SET_KEY,
13653 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13654 .doit = nl80211_set_key,
13655 .flags = GENL_UNS_ADMIN_PERM,
13656 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13657 NL80211_FLAG_NEED_RTNL |
13658 NL80211_FLAG_CLEAR_SKB,
13661 .cmd = NL80211_CMD_NEW_KEY,
13662 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13663 .doit = nl80211_new_key,
13664 .flags = GENL_UNS_ADMIN_PERM,
13665 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13666 NL80211_FLAG_NEED_RTNL |
13667 NL80211_FLAG_CLEAR_SKB,
13670 .cmd = NL80211_CMD_DEL_KEY,
13671 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13672 .doit = nl80211_del_key,
13673 .flags = GENL_UNS_ADMIN_PERM,
13674 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13675 NL80211_FLAG_NEED_RTNL,
13678 .cmd = NL80211_CMD_SET_BEACON,
13679 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13680 .flags = GENL_UNS_ADMIN_PERM,
13681 .doit = nl80211_set_beacon,
13682 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13683 NL80211_FLAG_NEED_RTNL,
13686 .cmd = NL80211_CMD_START_AP,
13687 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13688 .flags = GENL_UNS_ADMIN_PERM,
13689 .doit = nl80211_start_ap,
13690 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13691 NL80211_FLAG_NEED_RTNL,
13694 .cmd = NL80211_CMD_STOP_AP,
13695 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13696 .flags = GENL_UNS_ADMIN_PERM,
13697 .doit = nl80211_stop_ap,
13698 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13699 NL80211_FLAG_NEED_RTNL,
13702 .cmd = NL80211_CMD_GET_STATION,
13703 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13704 .doit = nl80211_get_station,
13705 .dumpit = nl80211_dump_station,
13706 .internal_flags = NL80211_FLAG_NEED_NETDEV |
13707 NL80211_FLAG_NEED_RTNL,
13710 .cmd = NL80211_CMD_SET_STATION,
13711 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13712 .doit = nl80211_set_station,
13713 .flags = GENL_UNS_ADMIN_PERM,
13714 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13715 NL80211_FLAG_NEED_RTNL,
13718 .cmd = NL80211_CMD_NEW_STATION,
13719 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13720 .doit = nl80211_new_station,
13721 .flags = GENL_UNS_ADMIN_PERM,
13722 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13723 NL80211_FLAG_NEED_RTNL,
13726 .cmd = NL80211_CMD_DEL_STATION,
13727 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13728 .doit = nl80211_del_station,
13729 .flags = GENL_UNS_ADMIN_PERM,
13730 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13731 NL80211_FLAG_NEED_RTNL,
13734 .cmd = NL80211_CMD_GET_MPATH,
13735 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13736 .doit = nl80211_get_mpath,
13737 .dumpit = nl80211_dump_mpath,
13738 .flags = GENL_UNS_ADMIN_PERM,
13739 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13740 NL80211_FLAG_NEED_RTNL,
13743 .cmd = NL80211_CMD_GET_MPP,
13744 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13745 .doit = nl80211_get_mpp,
13746 .dumpit = nl80211_dump_mpp,
13747 .flags = GENL_UNS_ADMIN_PERM,
13748 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13749 NL80211_FLAG_NEED_RTNL,
13752 .cmd = NL80211_CMD_SET_MPATH,
13753 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13754 .doit = nl80211_set_mpath,
13755 .flags = GENL_UNS_ADMIN_PERM,
13756 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13757 NL80211_FLAG_NEED_RTNL,
13760 .cmd = NL80211_CMD_NEW_MPATH,
13761 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13762 .doit = nl80211_new_mpath,
13763 .flags = GENL_UNS_ADMIN_PERM,
13764 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13765 NL80211_FLAG_NEED_RTNL,
13768 .cmd = NL80211_CMD_DEL_MPATH,
13769 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13770 .doit = nl80211_del_mpath,
13771 .flags = GENL_UNS_ADMIN_PERM,
13772 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13773 NL80211_FLAG_NEED_RTNL,
13776 .cmd = NL80211_CMD_SET_BSS,
13777 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13778 .doit = nl80211_set_bss,
13779 .flags = GENL_UNS_ADMIN_PERM,
13780 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13781 NL80211_FLAG_NEED_RTNL,
13784 .cmd = NL80211_CMD_GET_REG,
13785 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13786 .doit = nl80211_get_reg_do,
13787 .dumpit = nl80211_get_reg_dump,
13788 .internal_flags = NL80211_FLAG_NEED_RTNL,
13789 /* can be retrieved by unprivileged users */
13791 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
13793 .cmd = NL80211_CMD_SET_REG,
13794 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13795 .doit = nl80211_set_reg,
13796 .flags = GENL_ADMIN_PERM,
13797 .internal_flags = NL80211_FLAG_NEED_RTNL,
13801 .cmd = NL80211_CMD_REQ_SET_REG,
13802 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13803 .doit = nl80211_req_set_reg,
13804 .flags = GENL_ADMIN_PERM,
13807 .cmd = NL80211_CMD_RELOAD_REGDB,
13808 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13809 .doit = nl80211_reload_regdb,
13810 .flags = GENL_ADMIN_PERM,
13813 .cmd = NL80211_CMD_GET_MESH_CONFIG,
13814 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13815 .doit = nl80211_get_mesh_config,
13816 /* can be retrieved by unprivileged users */
13817 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13818 NL80211_FLAG_NEED_RTNL,
13821 .cmd = NL80211_CMD_SET_MESH_CONFIG,
13822 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13823 .doit = nl80211_update_mesh_config,
13824 .flags = GENL_UNS_ADMIN_PERM,
13825 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13826 NL80211_FLAG_NEED_RTNL,
13829 .cmd = NL80211_CMD_TRIGGER_SCAN,
13830 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13831 .doit = nl80211_trigger_scan,
13832 .flags = GENL_UNS_ADMIN_PERM,
13833 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
13834 NL80211_FLAG_NEED_RTNL,
13837 .cmd = NL80211_CMD_ABORT_SCAN,
13838 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13839 .doit = nl80211_abort_scan,
13840 .flags = GENL_UNS_ADMIN_PERM,
13841 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
13842 NL80211_FLAG_NEED_RTNL,
13845 .cmd = NL80211_CMD_GET_SCAN,
13846 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13847 .dumpit = nl80211_dump_scan,
13850 .cmd = NL80211_CMD_START_SCHED_SCAN,
13851 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13852 .doit = nl80211_start_sched_scan,
13853 .flags = GENL_UNS_ADMIN_PERM,
13854 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13855 NL80211_FLAG_NEED_RTNL,
13858 .cmd = NL80211_CMD_STOP_SCHED_SCAN,
13859 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13860 .doit = nl80211_stop_sched_scan,
13861 .flags = GENL_UNS_ADMIN_PERM,
13862 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13863 NL80211_FLAG_NEED_RTNL,
13866 .cmd = NL80211_CMD_AUTHENTICATE,
13867 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13868 .doit = nl80211_authenticate,
13869 .flags = GENL_UNS_ADMIN_PERM,
13870 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13871 NL80211_FLAG_NEED_RTNL |
13872 NL80211_FLAG_CLEAR_SKB,
13875 .cmd = NL80211_CMD_ASSOCIATE,
13876 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13877 .doit = nl80211_associate,
13878 .flags = GENL_UNS_ADMIN_PERM,
13879 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13880 NL80211_FLAG_NEED_RTNL |
13881 NL80211_FLAG_CLEAR_SKB,
13884 .cmd = NL80211_CMD_DEAUTHENTICATE,
13885 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13886 .doit = nl80211_deauthenticate,
13887 .flags = GENL_UNS_ADMIN_PERM,
13888 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13889 NL80211_FLAG_NEED_RTNL,
13892 .cmd = NL80211_CMD_DISASSOCIATE,
13893 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13894 .doit = nl80211_disassociate,
13895 .flags = GENL_UNS_ADMIN_PERM,
13896 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13897 NL80211_FLAG_NEED_RTNL,
13900 .cmd = NL80211_CMD_JOIN_IBSS,
13901 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13902 .doit = nl80211_join_ibss,
13903 .flags = GENL_UNS_ADMIN_PERM,
13904 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13905 NL80211_FLAG_NEED_RTNL,
13908 .cmd = NL80211_CMD_LEAVE_IBSS,
13909 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13910 .doit = nl80211_leave_ibss,
13911 .flags = GENL_UNS_ADMIN_PERM,
13912 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13913 NL80211_FLAG_NEED_RTNL,
13915 #ifdef CONFIG_NL80211_TESTMODE
13917 .cmd = NL80211_CMD_TESTMODE,
13918 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13919 .doit = nl80211_testmode_do,
13920 .dumpit = nl80211_testmode_dump,
13921 .flags = GENL_UNS_ADMIN_PERM,
13922 .internal_flags = NL80211_FLAG_NEED_WIPHY |
13923 NL80211_FLAG_NEED_RTNL,
13927 .cmd = NL80211_CMD_CONNECT,
13928 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13929 .doit = nl80211_connect,
13930 .flags = GENL_UNS_ADMIN_PERM,
13931 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13932 NL80211_FLAG_NEED_RTNL |
13933 NL80211_FLAG_CLEAR_SKB,
13936 .cmd = NL80211_CMD_UPDATE_CONNECT_PARAMS,
13937 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13938 .doit = nl80211_update_connect_params,
13939 .flags = GENL_ADMIN_PERM,
13940 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13941 NL80211_FLAG_NEED_RTNL |
13942 NL80211_FLAG_CLEAR_SKB,
13945 .cmd = NL80211_CMD_DISCONNECT,
13946 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13947 .doit = nl80211_disconnect,
13948 .flags = GENL_UNS_ADMIN_PERM,
13949 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13950 NL80211_FLAG_NEED_RTNL,
13953 .cmd = NL80211_CMD_SET_WIPHY_NETNS,
13954 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13955 .doit = nl80211_wiphy_netns,
13956 .flags = GENL_UNS_ADMIN_PERM,
13957 .internal_flags = NL80211_FLAG_NEED_WIPHY |
13958 NL80211_FLAG_NEED_RTNL,
13961 .cmd = NL80211_CMD_GET_SURVEY,
13962 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13963 .dumpit = nl80211_dump_survey,
13966 .cmd = NL80211_CMD_SET_PMKSA,
13967 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13968 .doit = nl80211_setdel_pmksa,
13969 .flags = GENL_UNS_ADMIN_PERM,
13970 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13971 NL80211_FLAG_NEED_RTNL |
13972 NL80211_FLAG_CLEAR_SKB,
13975 .cmd = NL80211_CMD_DEL_PMKSA,
13976 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13977 .doit = nl80211_setdel_pmksa,
13978 .flags = GENL_UNS_ADMIN_PERM,
13979 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13980 NL80211_FLAG_NEED_RTNL,
13983 .cmd = NL80211_CMD_FLUSH_PMKSA,
13984 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13985 .doit = nl80211_flush_pmksa,
13986 .flags = GENL_UNS_ADMIN_PERM,
13987 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13988 NL80211_FLAG_NEED_RTNL,
13991 .cmd = NL80211_CMD_REMAIN_ON_CHANNEL,
13992 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13993 .doit = nl80211_remain_on_channel,
13994 .flags = GENL_UNS_ADMIN_PERM,
13995 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
13996 NL80211_FLAG_NEED_RTNL,
13999 .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
14000 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14001 .doit = nl80211_cancel_remain_on_channel,
14002 .flags = GENL_UNS_ADMIN_PERM,
14003 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14004 NL80211_FLAG_NEED_RTNL,
14007 .cmd = NL80211_CMD_SET_TX_BITRATE_MASK,
14008 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14009 .doit = nl80211_set_tx_bitrate_mask,
14010 .flags = GENL_UNS_ADMIN_PERM,
14011 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14012 NL80211_FLAG_NEED_RTNL,
14015 .cmd = NL80211_CMD_REGISTER_FRAME,
14016 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14017 .doit = nl80211_register_mgmt,
14018 .flags = GENL_UNS_ADMIN_PERM,
14019 .internal_flags = NL80211_FLAG_NEED_WDEV |
14020 NL80211_FLAG_NEED_RTNL,
14023 .cmd = NL80211_CMD_FRAME,
14024 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14025 .doit = nl80211_tx_mgmt,
14026 .flags = GENL_UNS_ADMIN_PERM,
14027 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14028 NL80211_FLAG_NEED_RTNL,
14031 .cmd = NL80211_CMD_FRAME_WAIT_CANCEL,
14032 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14033 .doit = nl80211_tx_mgmt_cancel_wait,
14034 .flags = GENL_UNS_ADMIN_PERM,
14035 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14036 NL80211_FLAG_NEED_RTNL,
14039 .cmd = NL80211_CMD_SET_POWER_SAVE,
14040 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14041 .doit = nl80211_set_power_save,
14042 .flags = GENL_UNS_ADMIN_PERM,
14043 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14044 NL80211_FLAG_NEED_RTNL,
14047 .cmd = NL80211_CMD_GET_POWER_SAVE,
14048 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14049 .doit = nl80211_get_power_save,
14050 /* can be retrieved by unprivileged users */
14051 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14052 NL80211_FLAG_NEED_RTNL,
14055 .cmd = NL80211_CMD_SET_CQM,
14056 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14057 .doit = nl80211_set_cqm,
14058 .flags = GENL_UNS_ADMIN_PERM,
14059 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14060 NL80211_FLAG_NEED_RTNL,
14063 .cmd = NL80211_CMD_SET_CHANNEL,
14064 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14065 .doit = nl80211_set_channel,
14066 .flags = GENL_UNS_ADMIN_PERM,
14067 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14068 NL80211_FLAG_NEED_RTNL,
14071 .cmd = NL80211_CMD_SET_WDS_PEER,
14072 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14073 .doit = nl80211_set_wds_peer,
14074 .flags = GENL_UNS_ADMIN_PERM,
14075 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14076 NL80211_FLAG_NEED_RTNL,
14079 .cmd = NL80211_CMD_JOIN_MESH,
14080 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14081 .doit = nl80211_join_mesh,
14082 .flags = GENL_UNS_ADMIN_PERM,
14083 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14084 NL80211_FLAG_NEED_RTNL,
14087 .cmd = NL80211_CMD_LEAVE_MESH,
14088 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14089 .doit = nl80211_leave_mesh,
14090 .flags = GENL_UNS_ADMIN_PERM,
14091 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14092 NL80211_FLAG_NEED_RTNL,
14095 .cmd = NL80211_CMD_JOIN_OCB,
14096 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14097 .doit = nl80211_join_ocb,
14098 .flags = GENL_UNS_ADMIN_PERM,
14099 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14100 NL80211_FLAG_NEED_RTNL,
14103 .cmd = NL80211_CMD_LEAVE_OCB,
14104 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14105 .doit = nl80211_leave_ocb,
14106 .flags = GENL_UNS_ADMIN_PERM,
14107 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14108 NL80211_FLAG_NEED_RTNL,
14112 .cmd = NL80211_CMD_GET_WOWLAN,
14113 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14114 .doit = nl80211_get_wowlan,
14115 /* can be retrieved by unprivileged users */
14116 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14117 NL80211_FLAG_NEED_RTNL,
14120 .cmd = NL80211_CMD_SET_WOWLAN,
14121 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14122 .doit = nl80211_set_wowlan,
14123 .flags = GENL_UNS_ADMIN_PERM,
14124 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14125 NL80211_FLAG_NEED_RTNL,
14129 .cmd = NL80211_CMD_SET_REKEY_OFFLOAD,
14130 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14131 .doit = nl80211_set_rekey_data,
14132 .flags = GENL_UNS_ADMIN_PERM,
14133 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14134 NL80211_FLAG_NEED_RTNL |
14135 NL80211_FLAG_CLEAR_SKB,
14138 .cmd = NL80211_CMD_TDLS_MGMT,
14139 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14140 .doit = nl80211_tdls_mgmt,
14141 .flags = GENL_UNS_ADMIN_PERM,
14142 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14143 NL80211_FLAG_NEED_RTNL,
14146 .cmd = NL80211_CMD_TDLS_OPER,
14147 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14148 .doit = nl80211_tdls_oper,
14149 .flags = GENL_UNS_ADMIN_PERM,
14150 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14151 NL80211_FLAG_NEED_RTNL,
14154 .cmd = NL80211_CMD_UNEXPECTED_FRAME,
14155 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14156 .doit = nl80211_register_unexpected_frame,
14157 .flags = GENL_UNS_ADMIN_PERM,
14158 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14159 NL80211_FLAG_NEED_RTNL,
14162 .cmd = NL80211_CMD_PROBE_CLIENT,
14163 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14164 .doit = nl80211_probe_client,
14165 .flags = GENL_UNS_ADMIN_PERM,
14166 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14167 NL80211_FLAG_NEED_RTNL,
14170 .cmd = NL80211_CMD_REGISTER_BEACONS,
14171 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14172 .doit = nl80211_register_beacons,
14173 .flags = GENL_UNS_ADMIN_PERM,
14174 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14175 NL80211_FLAG_NEED_RTNL,
14178 .cmd = NL80211_CMD_SET_NOACK_MAP,
14179 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14180 .doit = nl80211_set_noack_map,
14181 .flags = GENL_UNS_ADMIN_PERM,
14182 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14183 NL80211_FLAG_NEED_RTNL,
14186 .cmd = NL80211_CMD_START_P2P_DEVICE,
14187 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14188 .doit = nl80211_start_p2p_device,
14189 .flags = GENL_UNS_ADMIN_PERM,
14190 .internal_flags = NL80211_FLAG_NEED_WDEV |
14191 NL80211_FLAG_NEED_RTNL,
14194 .cmd = NL80211_CMD_STOP_P2P_DEVICE,
14195 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14196 .doit = nl80211_stop_p2p_device,
14197 .flags = GENL_UNS_ADMIN_PERM,
14198 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14199 NL80211_FLAG_NEED_RTNL,
14202 .cmd = NL80211_CMD_START_NAN,
14203 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14204 .doit = nl80211_start_nan,
14205 .flags = GENL_ADMIN_PERM,
14206 .internal_flags = NL80211_FLAG_NEED_WDEV |
14207 NL80211_FLAG_NEED_RTNL,
14210 .cmd = NL80211_CMD_STOP_NAN,
14211 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14212 .doit = nl80211_stop_nan,
14213 .flags = GENL_ADMIN_PERM,
14214 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14215 NL80211_FLAG_NEED_RTNL,
14218 .cmd = NL80211_CMD_ADD_NAN_FUNCTION,
14219 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14220 .doit = nl80211_nan_add_func,
14221 .flags = GENL_ADMIN_PERM,
14222 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14223 NL80211_FLAG_NEED_RTNL,
14226 .cmd = NL80211_CMD_DEL_NAN_FUNCTION,
14227 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14228 .doit = nl80211_nan_del_func,
14229 .flags = GENL_ADMIN_PERM,
14230 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14231 NL80211_FLAG_NEED_RTNL,
14234 .cmd = NL80211_CMD_CHANGE_NAN_CONFIG,
14235 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14236 .doit = nl80211_nan_change_config,
14237 .flags = GENL_ADMIN_PERM,
14238 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14239 NL80211_FLAG_NEED_RTNL,
14242 .cmd = NL80211_CMD_SET_MCAST_RATE,
14243 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14244 .doit = nl80211_set_mcast_rate,
14245 .flags = GENL_UNS_ADMIN_PERM,
14246 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14247 NL80211_FLAG_NEED_RTNL,
14250 .cmd = NL80211_CMD_SET_MAC_ACL,
14251 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14252 .doit = nl80211_set_mac_acl,
14253 .flags = GENL_UNS_ADMIN_PERM,
14254 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14255 NL80211_FLAG_NEED_RTNL,
14258 .cmd = NL80211_CMD_RADAR_DETECT,
14259 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14260 .doit = nl80211_start_radar_detection,
14261 .flags = GENL_UNS_ADMIN_PERM,
14262 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14263 NL80211_FLAG_NEED_RTNL,
14266 .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES,
14267 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14268 .doit = nl80211_get_protocol_features,
14271 .cmd = NL80211_CMD_UPDATE_FT_IES,
14272 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14273 .doit = nl80211_update_ft_ies,
14274 .flags = GENL_UNS_ADMIN_PERM,
14275 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14276 NL80211_FLAG_NEED_RTNL,
14279 .cmd = NL80211_CMD_CRIT_PROTOCOL_START,
14280 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14281 .doit = nl80211_crit_protocol_start,
14282 .flags = GENL_UNS_ADMIN_PERM,
14283 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14284 NL80211_FLAG_NEED_RTNL,
14287 .cmd = NL80211_CMD_CRIT_PROTOCOL_STOP,
14288 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14289 .doit = nl80211_crit_protocol_stop,
14290 .flags = GENL_UNS_ADMIN_PERM,
14291 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14292 NL80211_FLAG_NEED_RTNL,
14295 .cmd = NL80211_CMD_GET_COALESCE,
14296 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14297 .doit = nl80211_get_coalesce,
14298 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14299 NL80211_FLAG_NEED_RTNL,
14302 .cmd = NL80211_CMD_SET_COALESCE,
14303 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14304 .doit = nl80211_set_coalesce,
14305 .flags = GENL_UNS_ADMIN_PERM,
14306 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14307 NL80211_FLAG_NEED_RTNL,
14310 .cmd = NL80211_CMD_CHANNEL_SWITCH,
14311 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14312 .doit = nl80211_channel_switch,
14313 .flags = GENL_UNS_ADMIN_PERM,
14314 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14315 NL80211_FLAG_NEED_RTNL,
14318 .cmd = NL80211_CMD_VENDOR,
14319 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14320 .doit = nl80211_vendor_cmd,
14321 .dumpit = nl80211_vendor_cmd_dump,
14322 .flags = GENL_UNS_ADMIN_PERM,
14323 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14324 NL80211_FLAG_NEED_RTNL |
14325 NL80211_FLAG_CLEAR_SKB,
14328 .cmd = NL80211_CMD_SET_QOS_MAP,
14329 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14330 .doit = nl80211_set_qos_map,
14331 .flags = GENL_UNS_ADMIN_PERM,
14332 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14333 NL80211_FLAG_NEED_RTNL,
14336 .cmd = NL80211_CMD_ADD_TX_TS,
14337 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14338 .doit = nl80211_add_tx_ts,
14339 .flags = GENL_UNS_ADMIN_PERM,
14340 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14341 NL80211_FLAG_NEED_RTNL,
14344 .cmd = NL80211_CMD_DEL_TX_TS,
14345 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14346 .doit = nl80211_del_tx_ts,
14347 .flags = GENL_UNS_ADMIN_PERM,
14348 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14349 NL80211_FLAG_NEED_RTNL,
14352 .cmd = NL80211_CMD_TDLS_CHANNEL_SWITCH,
14353 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14354 .doit = nl80211_tdls_channel_switch,
14355 .flags = GENL_UNS_ADMIN_PERM,
14356 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14357 NL80211_FLAG_NEED_RTNL,
14360 .cmd = NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH,
14361 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14362 .doit = nl80211_tdls_cancel_channel_switch,
14363 .flags = GENL_UNS_ADMIN_PERM,
14364 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14365 NL80211_FLAG_NEED_RTNL,
14368 .cmd = NL80211_CMD_SET_MULTICAST_TO_UNICAST,
14369 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14370 .doit = nl80211_set_multicast_to_unicast,
14371 .flags = GENL_UNS_ADMIN_PERM,
14372 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14373 NL80211_FLAG_NEED_RTNL,
14376 .cmd = NL80211_CMD_SET_PMK,
14377 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14378 .doit = nl80211_set_pmk,
14379 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14380 NL80211_FLAG_NEED_RTNL |
14381 NL80211_FLAG_CLEAR_SKB,
14384 .cmd = NL80211_CMD_DEL_PMK,
14385 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14386 .doit = nl80211_del_pmk,
14387 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14388 NL80211_FLAG_NEED_RTNL,
14391 .cmd = NL80211_CMD_EXTERNAL_AUTH,
14392 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14393 .doit = nl80211_external_auth,
14394 .flags = GENL_ADMIN_PERM,
14395 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14396 NL80211_FLAG_NEED_RTNL,
14399 .cmd = NL80211_CMD_CONTROL_PORT_FRAME,
14400 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14401 .doit = nl80211_tx_control_port,
14402 .flags = GENL_UNS_ADMIN_PERM,
14403 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14404 NL80211_FLAG_NEED_RTNL,
14407 .cmd = NL80211_CMD_GET_FTM_RESPONDER_STATS,
14408 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14409 .doit = nl80211_get_ftm_responder_stats,
14410 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14411 NL80211_FLAG_NEED_RTNL,
14414 .cmd = NL80211_CMD_PEER_MEASUREMENT_START,
14415 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14416 .doit = nl80211_pmsr_start,
14417 .flags = GENL_UNS_ADMIN_PERM,
14418 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14419 NL80211_FLAG_NEED_RTNL,
14422 .cmd = NL80211_CMD_NOTIFY_RADAR,
14423 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14424 .doit = nl80211_notify_radar_detection,
14425 .flags = GENL_UNS_ADMIN_PERM,
14426 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14427 NL80211_FLAG_NEED_RTNL,
14430 .cmd = NL80211_CMD_UPDATE_OWE_INFO,
14431 .doit = nl80211_update_owe_info,
14432 .flags = GENL_ADMIN_PERM,
14433 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14434 NL80211_FLAG_NEED_RTNL,
14437 .cmd = NL80211_CMD_PROBE_MESH_LINK,
14438 .doit = nl80211_probe_mesh_link,
14439 .flags = GENL_UNS_ADMIN_PERM,
14440 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14441 NL80211_FLAG_NEED_RTNL,
14445 static struct genl_family nl80211_fam __ro_after_init = {
14446 .name = NL80211_GENL_NAME, /* have users key off the name instead */
14447 .hdrsize = 0, /* no private header */
14448 .version = 1, /* no particular meaning now */
14449 .maxattr = NL80211_ATTR_MAX,
14450 .policy = nl80211_policy,
14452 .pre_doit = nl80211_pre_doit,
14453 .post_doit = nl80211_post_doit,
14454 .module = THIS_MODULE,
14455 .ops = nl80211_ops,
14456 .n_ops = ARRAY_SIZE(nl80211_ops),
14457 .mcgrps = nl80211_mcgrps,
14458 .n_mcgrps = ARRAY_SIZE(nl80211_mcgrps),
14461 /* notification functions */
14463 void nl80211_notify_wiphy(struct cfg80211_registered_device *rdev,
14464 enum nl80211_commands cmd)
14466 struct sk_buff *msg;
14467 struct nl80211_dump_wiphy_state state = {};
14469 WARN_ON(cmd != NL80211_CMD_NEW_WIPHY &&
14470 cmd != NL80211_CMD_DEL_WIPHY);
14472 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14476 if (nl80211_send_wiphy(rdev, cmd, msg, 0, 0, 0, &state) < 0) {
14481 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14482 NL80211_MCGRP_CONFIG, GFP_KERNEL);
14485 void nl80211_notify_iface(struct cfg80211_registered_device *rdev,
14486 struct wireless_dev *wdev,
14487 enum nl80211_commands cmd)
14489 struct sk_buff *msg;
14491 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14495 if (nl80211_send_iface(msg, 0, 0, 0, rdev, wdev, cmd) < 0) {
14500 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14501 NL80211_MCGRP_CONFIG, GFP_KERNEL);
14504 static int nl80211_add_scan_req(struct sk_buff *msg,
14505 struct cfg80211_registered_device *rdev)
14507 struct cfg80211_scan_request *req = rdev->scan_req;
14508 struct nlattr *nest;
14514 nest = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_SSIDS);
14516 goto nla_put_failure;
14517 for (i = 0; i < req->n_ssids; i++) {
14518 if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid))
14519 goto nla_put_failure;
14521 nla_nest_end(msg, nest);
14523 nest = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_FREQUENCIES);
14525 goto nla_put_failure;
14526 for (i = 0; i < req->n_channels; i++) {
14527 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
14528 goto nla_put_failure;
14530 nla_nest_end(msg, nest);
14533 nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie))
14534 goto nla_put_failure;
14537 nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags))
14538 goto nla_put_failure;
14540 if (req->info.scan_start_tsf &&
14541 (nla_put_u64_64bit(msg, NL80211_ATTR_SCAN_START_TIME_TSF,
14542 req->info.scan_start_tsf, NL80211_BSS_PAD) ||
14543 nla_put(msg, NL80211_ATTR_SCAN_START_TIME_TSF_BSSID, ETH_ALEN,
14544 req->info.tsf_bssid)))
14545 goto nla_put_failure;
14552 static int nl80211_prep_scan_msg(struct sk_buff *msg,
14553 struct cfg80211_registered_device *rdev,
14554 struct wireless_dev *wdev,
14555 u32 portid, u32 seq, int flags,
14560 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
14564 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14565 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
14566 wdev->netdev->ifindex)) ||
14567 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
14569 goto nla_put_failure;
14571 /* ignore errors and send incomplete event anyway */
14572 nl80211_add_scan_req(msg, rdev);
14574 genlmsg_end(msg, hdr);
14578 genlmsg_cancel(msg, hdr);
14583 nl80211_prep_sched_scan_msg(struct sk_buff *msg,
14584 struct cfg80211_sched_scan_request *req, u32 cmd)
14588 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
14592 if (nla_put_u32(msg, NL80211_ATTR_WIPHY,
14593 wiphy_to_rdev(req->wiphy)->wiphy_idx) ||
14594 nla_put_u32(msg, NL80211_ATTR_IFINDEX, req->dev->ifindex) ||
14595 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, req->reqid,
14597 goto nla_put_failure;
14599 genlmsg_end(msg, hdr);
14603 genlmsg_cancel(msg, hdr);
14607 void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
14608 struct wireless_dev *wdev)
14610 struct sk_buff *msg;
14612 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14616 if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0,
14617 NL80211_CMD_TRIGGER_SCAN) < 0) {
14622 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14623 NL80211_MCGRP_SCAN, GFP_KERNEL);
14626 struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev,
14627 struct wireless_dev *wdev, bool aborted)
14629 struct sk_buff *msg;
14631 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14635 if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0,
14636 aborted ? NL80211_CMD_SCAN_ABORTED :
14637 NL80211_CMD_NEW_SCAN_RESULTS) < 0) {
14645 /* send message created by nl80211_build_scan_msg() */
14646 void nl80211_send_scan_msg(struct cfg80211_registered_device *rdev,
14647 struct sk_buff *msg)
14652 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14653 NL80211_MCGRP_SCAN, GFP_KERNEL);
14656 void nl80211_send_sched_scan(struct cfg80211_sched_scan_request *req, u32 cmd)
14658 struct sk_buff *msg;
14660 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14664 if (nl80211_prep_sched_scan_msg(msg, req, cmd) < 0) {
14669 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(req->wiphy), msg, 0,
14670 NL80211_MCGRP_SCAN, GFP_KERNEL);
14673 static bool nl80211_reg_change_event_fill(struct sk_buff *msg,
14674 struct regulatory_request *request)
14676 /* Userspace can always count this one always being set */
14677 if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator))
14678 goto nla_put_failure;
14680 if (request->alpha2[0] == '0' && request->alpha2[1] == '0') {
14681 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
14682 NL80211_REGDOM_TYPE_WORLD))
14683 goto nla_put_failure;
14684 } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') {
14685 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
14686 NL80211_REGDOM_TYPE_CUSTOM_WORLD))
14687 goto nla_put_failure;
14688 } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') ||
14689 request->intersect) {
14690 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
14691 NL80211_REGDOM_TYPE_INTERSECTION))
14692 goto nla_put_failure;
14694 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
14695 NL80211_REGDOM_TYPE_COUNTRY) ||
14696 nla_put_string(msg, NL80211_ATTR_REG_ALPHA2,
14698 goto nla_put_failure;
14701 if (request->wiphy_idx != WIPHY_IDX_INVALID) {
14702 struct wiphy *wiphy = wiphy_idx_to_wiphy(request->wiphy_idx);
14705 nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx))
14706 goto nla_put_failure;
14709 wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
14710 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
14711 goto nla_put_failure;
14721 * This can happen on global regulatory changes or device specific settings
14722 * based on custom regulatory domains.
14724 void nl80211_common_reg_change_event(enum nl80211_commands cmd_id,
14725 struct regulatory_request *request)
14727 struct sk_buff *msg;
14730 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14734 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd_id);
14740 if (nl80211_reg_change_event_fill(msg, request) == false)
14741 goto nla_put_failure;
14743 genlmsg_end(msg, hdr);
14746 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
14747 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
14756 static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
14757 struct net_device *netdev,
14758 const u8 *buf, size_t len,
14759 enum nl80211_commands cmd, gfp_t gfp,
14760 int uapsd_queues, const u8 *req_ies,
14761 size_t req_ies_len)
14763 struct sk_buff *msg;
14766 msg = nlmsg_new(100 + len + req_ies_len, gfp);
14770 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
14776 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14777 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
14778 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
14780 nla_put(msg, NL80211_ATTR_REQ_IE, req_ies_len, req_ies)))
14781 goto nla_put_failure;
14783 if (uapsd_queues >= 0) {
14784 struct nlattr *nla_wmm =
14785 nla_nest_start_noflag(msg, NL80211_ATTR_STA_WME);
14787 goto nla_put_failure;
14789 if (nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES,
14791 goto nla_put_failure;
14793 nla_nest_end(msg, nla_wmm);
14796 genlmsg_end(msg, hdr);
14798 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14799 NL80211_MCGRP_MLME, gfp);
14806 void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev,
14807 struct net_device *netdev, const u8 *buf,
14808 size_t len, gfp_t gfp)
14810 nl80211_send_mlme_event(rdev, netdev, buf, len,
14811 NL80211_CMD_AUTHENTICATE, gfp, -1, NULL, 0);
14814 void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev,
14815 struct net_device *netdev, const u8 *buf,
14816 size_t len, gfp_t gfp, int uapsd_queues,
14817 const u8 *req_ies, size_t req_ies_len)
14819 nl80211_send_mlme_event(rdev, netdev, buf, len,
14820 NL80211_CMD_ASSOCIATE, gfp, uapsd_queues,
14821 req_ies, req_ies_len);
14824 void nl80211_send_deauth(struct cfg80211_registered_device *rdev,
14825 struct net_device *netdev, const u8 *buf,
14826 size_t len, gfp_t gfp)
14828 nl80211_send_mlme_event(rdev, netdev, buf, len,
14829 NL80211_CMD_DEAUTHENTICATE, gfp, -1, NULL, 0);
14832 void nl80211_send_disassoc(struct cfg80211_registered_device *rdev,
14833 struct net_device *netdev, const u8 *buf,
14834 size_t len, gfp_t gfp)
14836 nl80211_send_mlme_event(rdev, netdev, buf, len,
14837 NL80211_CMD_DISASSOCIATE, gfp, -1, NULL, 0);
14840 void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf,
14843 struct wireless_dev *wdev = dev->ieee80211_ptr;
14844 struct wiphy *wiphy = wdev->wiphy;
14845 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
14846 const struct ieee80211_mgmt *mgmt = (void *)buf;
14849 if (WARN_ON(len < 2))
14852 if (ieee80211_is_deauth(mgmt->frame_control))
14853 cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE;
14855 cmd = NL80211_CMD_UNPROT_DISASSOCIATE;
14857 trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len);
14858 nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC, -1,
14861 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt);
14863 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev,
14864 struct net_device *netdev, int cmd,
14865 const u8 *addr, gfp_t gfp)
14867 struct sk_buff *msg;
14870 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
14874 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
14880 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14881 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
14882 nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
14883 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
14884 goto nla_put_failure;
14886 genlmsg_end(msg, hdr);
14888 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14889 NL80211_MCGRP_MLME, gfp);
14896 void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev,
14897 struct net_device *netdev, const u8 *addr,
14900 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE,
14904 void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev,
14905 struct net_device *netdev, const u8 *addr,
14908 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE,
14912 void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
14913 struct net_device *netdev,
14914 struct cfg80211_connect_resp_params *cr,
14917 struct sk_buff *msg;
14920 msg = nlmsg_new(100 + cr->req_ie_len + cr->resp_ie_len +
14921 cr->fils.kek_len + cr->fils.pmk_len +
14922 (cr->fils.pmkid ? WLAN_PMKID_LEN : 0), gfp);
14926 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT);
14932 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14933 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
14935 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, cr->bssid)) ||
14936 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE,
14937 cr->status < 0 ? WLAN_STATUS_UNSPECIFIED_FAILURE :
14940 (nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
14941 nla_put_u32(msg, NL80211_ATTR_TIMEOUT_REASON,
14942 cr->timeout_reason))) ||
14944 nla_put(msg, NL80211_ATTR_REQ_IE, cr->req_ie_len, cr->req_ie)) ||
14946 nla_put(msg, NL80211_ATTR_RESP_IE, cr->resp_ie_len,
14948 (cr->fils.update_erp_next_seq_num &&
14949 nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
14950 cr->fils.erp_next_seq_num)) ||
14951 (cr->status == WLAN_STATUS_SUCCESS &&
14953 nla_put(msg, NL80211_ATTR_FILS_KEK, cr->fils.kek_len,
14956 nla_put(msg, NL80211_ATTR_PMK, cr->fils.pmk_len, cr->fils.pmk)) ||
14958 nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, cr->fils.pmkid)))))
14959 goto nla_put_failure;
14961 genlmsg_end(msg, hdr);
14963 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14964 NL80211_MCGRP_MLME, gfp);
14971 void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
14972 struct net_device *netdev,
14973 struct cfg80211_roam_info *info, gfp_t gfp)
14975 struct sk_buff *msg;
14977 const u8 *bssid = info->bss ? info->bss->bssid : info->bssid;
14979 msg = nlmsg_new(100 + info->req_ie_len + info->resp_ie_len +
14980 info->fils.kek_len + info->fils.pmk_len +
14981 (info->fils.pmkid ? WLAN_PMKID_LEN : 0), gfp);
14985 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM);
14991 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14992 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
14993 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid) ||
14995 nla_put(msg, NL80211_ATTR_REQ_IE, info->req_ie_len,
14998 nla_put(msg, NL80211_ATTR_RESP_IE, info->resp_ie_len,
15000 (info->fils.update_erp_next_seq_num &&
15001 nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
15002 info->fils.erp_next_seq_num)) ||
15004 nla_put(msg, NL80211_ATTR_FILS_KEK, info->fils.kek_len,
15005 info->fils.kek)) ||
15007 nla_put(msg, NL80211_ATTR_PMK, info->fils.pmk_len, info->fils.pmk)) ||
15008 (info->fils.pmkid &&
15009 nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, info->fils.pmkid)))
15010 goto nla_put_failure;
15012 genlmsg_end(msg, hdr);
15014 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15015 NL80211_MCGRP_MLME, gfp);
15022 void nl80211_send_port_authorized(struct cfg80211_registered_device *rdev,
15023 struct net_device *netdev, const u8 *bssid)
15025 struct sk_buff *msg;
15028 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
15032 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PORT_AUTHORIZED);
15038 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
15039 goto nla_put_failure;
15041 genlmsg_end(msg, hdr);
15043 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15044 NL80211_MCGRP_MLME, GFP_KERNEL);
15051 void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
15052 struct net_device *netdev, u16 reason,
15053 const u8 *ie, size_t ie_len, bool from_ap)
15055 struct sk_buff *msg;
15058 msg = nlmsg_new(100 + ie_len, GFP_KERNEL);
15062 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT);
15068 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15069 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15071 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) ||
15073 nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) ||
15074 (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie)))
15075 goto nla_put_failure;
15077 genlmsg_end(msg, hdr);
15079 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15080 NL80211_MCGRP_MLME, GFP_KERNEL);
15087 void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev,
15088 struct net_device *netdev, const u8 *bssid,
15091 struct sk_buff *msg;
15094 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15098 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS);
15104 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15105 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15106 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
15107 goto nla_put_failure;
15109 genlmsg_end(msg, hdr);
15111 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15112 NL80211_MCGRP_MLME, gfp);
15119 void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr,
15120 const u8 *ie, u8 ie_len,
15121 int sig_dbm, gfp_t gfp)
15123 struct wireless_dev *wdev = dev->ieee80211_ptr;
15124 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
15125 struct sk_buff *msg;
15128 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT))
15131 trace_cfg80211_notify_new_peer_candidate(dev, addr);
15133 msg = nlmsg_new(100 + ie_len, gfp);
15137 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE);
15143 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15144 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
15145 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
15147 nla_put(msg, NL80211_ATTR_IE, ie_len, ie)) ||
15149 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)))
15150 goto nla_put_failure;
15152 genlmsg_end(msg, hdr);
15154 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15155 NL80211_MCGRP_MLME, gfp);
15161 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate);
15163 void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
15164 struct net_device *netdev, const u8 *addr,
15165 enum nl80211_key_type key_type, int key_id,
15166 const u8 *tsc, gfp_t gfp)
15168 struct sk_buff *msg;
15171 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15175 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE);
15181 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15182 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15183 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
15184 nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) ||
15186 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) ||
15187 (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc)))
15188 goto nla_put_failure;
15190 genlmsg_end(msg, hdr);
15192 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15193 NL80211_MCGRP_MLME, gfp);
15200 void nl80211_send_beacon_hint_event(struct wiphy *wiphy,
15201 struct ieee80211_channel *channel_before,
15202 struct ieee80211_channel *channel_after)
15204 struct sk_buff *msg;
15206 struct nlattr *nl_freq;
15208 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
15212 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT);
15219 * Since we are applying the beacon hint to a wiphy we know its
15220 * wiphy_idx is valid
15222 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
15223 goto nla_put_failure;
15226 nl_freq = nla_nest_start_noflag(msg, NL80211_ATTR_FREQ_BEFORE);
15228 goto nla_put_failure;
15230 if (nl80211_msg_put_channel(msg, wiphy, channel_before, false))
15231 goto nla_put_failure;
15232 nla_nest_end(msg, nl_freq);
15235 nl_freq = nla_nest_start_noflag(msg, NL80211_ATTR_FREQ_AFTER);
15237 goto nla_put_failure;
15239 if (nl80211_msg_put_channel(msg, wiphy, channel_after, false))
15240 goto nla_put_failure;
15241 nla_nest_end(msg, nl_freq);
15243 genlmsg_end(msg, hdr);
15246 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
15247 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
15256 static void nl80211_send_remain_on_chan_event(
15257 int cmd, struct cfg80211_registered_device *rdev,
15258 struct wireless_dev *wdev, u64 cookie,
15259 struct ieee80211_channel *chan,
15260 unsigned int duration, gfp_t gfp)
15262 struct sk_buff *msg;
15265 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15269 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
15275 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15276 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
15277 wdev->netdev->ifindex)) ||
15278 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
15279 NL80211_ATTR_PAD) ||
15280 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) ||
15281 nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
15282 NL80211_CHAN_NO_HT) ||
15283 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
15285 goto nla_put_failure;
15287 if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL &&
15288 nla_put_u32(msg, NL80211_ATTR_DURATION, duration))
15289 goto nla_put_failure;
15291 genlmsg_end(msg, hdr);
15293 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15294 NL80211_MCGRP_MLME, gfp);
15301 void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie,
15302 struct ieee80211_channel *chan,
15303 unsigned int duration, gfp_t gfp)
15305 struct wiphy *wiphy = wdev->wiphy;
15306 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15308 trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration);
15309 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL,
15310 rdev, wdev, cookie, chan,
15313 EXPORT_SYMBOL(cfg80211_ready_on_channel);
15315 void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie,
15316 struct ieee80211_channel *chan,
15319 struct wiphy *wiphy = wdev->wiphy;
15320 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15322 trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan);
15323 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
15324 rdev, wdev, cookie, chan, 0, gfp);
15326 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired);
15328 void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr,
15329 struct station_info *sinfo, gfp_t gfp)
15331 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
15332 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15333 struct sk_buff *msg;
15335 trace_cfg80211_new_sta(dev, mac_addr, sinfo);
15337 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15341 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION, 0, 0, 0,
15342 rdev, dev, mac_addr, sinfo) < 0) {
15347 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15348 NL80211_MCGRP_MLME, gfp);
15350 EXPORT_SYMBOL(cfg80211_new_sta);
15352 void cfg80211_del_sta_sinfo(struct net_device *dev, const u8 *mac_addr,
15353 struct station_info *sinfo, gfp_t gfp)
15355 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
15356 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15357 struct sk_buff *msg;
15358 struct station_info empty_sinfo = {};
15361 sinfo = &empty_sinfo;
15363 trace_cfg80211_del_sta(dev, mac_addr);
15365 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15367 cfg80211_sinfo_release_content(sinfo);
15371 if (nl80211_send_station(msg, NL80211_CMD_DEL_STATION, 0, 0, 0,
15372 rdev, dev, mac_addr, sinfo) < 0) {
15377 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15378 NL80211_MCGRP_MLME, gfp);
15380 EXPORT_SYMBOL(cfg80211_del_sta_sinfo);
15382 void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr,
15383 enum nl80211_connect_failed_reason reason,
15386 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
15387 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15388 struct sk_buff *msg;
15391 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
15395 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED);
15401 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
15402 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
15403 nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason))
15404 goto nla_put_failure;
15406 genlmsg_end(msg, hdr);
15408 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15409 NL80211_MCGRP_MLME, gfp);
15415 EXPORT_SYMBOL(cfg80211_conn_failed);
15417 static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd,
15418 const u8 *addr, gfp_t gfp)
15420 struct wireless_dev *wdev = dev->ieee80211_ptr;
15421 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
15422 struct sk_buff *msg;
15424 u32 nlportid = READ_ONCE(wdev->ap_unexpected_nlportid);
15429 msg = nlmsg_new(100, gfp);
15433 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
15439 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15440 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
15441 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
15442 goto nla_put_failure;
15444 genlmsg_end(msg, hdr);
15445 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
15453 bool cfg80211_rx_spurious_frame(struct net_device *dev,
15454 const u8 *addr, gfp_t gfp)
15456 struct wireless_dev *wdev = dev->ieee80211_ptr;
15459 trace_cfg80211_rx_spurious_frame(dev, addr);
15461 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
15462 wdev->iftype != NL80211_IFTYPE_P2P_GO)) {
15463 trace_cfg80211_return_bool(false);
15466 ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME,
15468 trace_cfg80211_return_bool(ret);
15471 EXPORT_SYMBOL(cfg80211_rx_spurious_frame);
15473 bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev,
15474 const u8 *addr, gfp_t gfp)
15476 struct wireless_dev *wdev = dev->ieee80211_ptr;
15479 trace_cfg80211_rx_unexpected_4addr_frame(dev, addr);
15481 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
15482 wdev->iftype != NL80211_IFTYPE_P2P_GO &&
15483 wdev->iftype != NL80211_IFTYPE_AP_VLAN)) {
15484 trace_cfg80211_return_bool(false);
15487 ret = __nl80211_unexpected_frame(dev,
15488 NL80211_CMD_UNEXPECTED_4ADDR_FRAME,
15490 trace_cfg80211_return_bool(ret);
15493 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame);
15495 int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
15496 struct wireless_dev *wdev, u32 nlportid,
15497 int freq, int sig_dbm,
15498 const u8 *buf, size_t len, u32 flags, gfp_t gfp)
15500 struct net_device *netdev = wdev->netdev;
15501 struct sk_buff *msg;
15504 msg = nlmsg_new(100 + len, gfp);
15508 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
15514 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15515 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
15516 netdev->ifindex)) ||
15517 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
15518 NL80211_ATTR_PAD) ||
15519 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) ||
15521 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
15522 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
15524 nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, flags)))
15525 goto nla_put_failure;
15527 genlmsg_end(msg, hdr);
15529 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
15536 void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie,
15537 const u8 *buf, size_t len, bool ack, gfp_t gfp)
15539 struct wiphy *wiphy = wdev->wiphy;
15540 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15541 struct net_device *netdev = wdev->netdev;
15542 struct sk_buff *msg;
15545 trace_cfg80211_mgmt_tx_status(wdev, cookie, ack);
15547 msg = nlmsg_new(100 + len, gfp);
15551 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS);
15557 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15558 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
15559 netdev->ifindex)) ||
15560 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
15561 NL80211_ATTR_PAD) ||
15562 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
15563 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
15564 NL80211_ATTR_PAD) ||
15565 (ack && nla_put_flag(msg, NL80211_ATTR_ACK)))
15566 goto nla_put_failure;
15568 genlmsg_end(msg, hdr);
15570 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15571 NL80211_MCGRP_MLME, gfp);
15577 EXPORT_SYMBOL(cfg80211_mgmt_tx_status);
15579 static int __nl80211_rx_control_port(struct net_device *dev,
15580 struct sk_buff *skb,
15581 bool unencrypted, gfp_t gfp)
15583 struct wireless_dev *wdev = dev->ieee80211_ptr;
15584 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
15585 struct ethhdr *ehdr = eth_hdr(skb);
15586 const u8 *addr = ehdr->h_source;
15587 u16 proto = be16_to_cpu(skb->protocol);
15588 struct sk_buff *msg;
15590 struct nlattr *frame;
15592 u32 nlportid = READ_ONCE(wdev->conn_owner_nlportid);
15597 msg = nlmsg_new(100 + skb->len, gfp);
15601 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONTROL_PORT_FRAME);
15607 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15608 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
15609 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
15610 NL80211_ATTR_PAD) ||
15611 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
15612 nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, proto) ||
15613 (unencrypted && nla_put_flag(msg,
15614 NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)))
15615 goto nla_put_failure;
15617 frame = nla_reserve(msg, NL80211_ATTR_FRAME, skb->len);
15619 goto nla_put_failure;
15621 skb_copy_bits(skb, 0, nla_data(frame), skb->len);
15622 genlmsg_end(msg, hdr);
15624 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
15631 bool cfg80211_rx_control_port(struct net_device *dev,
15632 struct sk_buff *skb, bool unencrypted)
15636 trace_cfg80211_rx_control_port(dev, skb, unencrypted);
15637 ret = __nl80211_rx_control_port(dev, skb, unencrypted, GFP_ATOMIC);
15638 trace_cfg80211_return_bool(ret == 0);
15641 EXPORT_SYMBOL(cfg80211_rx_control_port);
15643 static struct sk_buff *cfg80211_prepare_cqm(struct net_device *dev,
15644 const char *mac, gfp_t gfp)
15646 struct wireless_dev *wdev = dev->ieee80211_ptr;
15647 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
15648 struct sk_buff *msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15654 cb = (void **)msg->cb;
15656 cb[0] = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
15662 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15663 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
15664 goto nla_put_failure;
15666 if (mac && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
15667 goto nla_put_failure;
15669 cb[1] = nla_nest_start_noflag(msg, NL80211_ATTR_CQM);
15671 goto nla_put_failure;
15681 static void cfg80211_send_cqm(struct sk_buff *msg, gfp_t gfp)
15683 void **cb = (void **)msg->cb;
15684 struct cfg80211_registered_device *rdev = cb[2];
15686 nla_nest_end(msg, cb[1]);
15687 genlmsg_end(msg, cb[0]);
15689 memset(msg->cb, 0, sizeof(msg->cb));
15691 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15692 NL80211_MCGRP_MLME, gfp);
15695 void cfg80211_cqm_rssi_notify(struct net_device *dev,
15696 enum nl80211_cqm_rssi_threshold_event rssi_event,
15697 s32 rssi_level, gfp_t gfp)
15699 struct sk_buff *msg;
15700 struct wireless_dev *wdev = dev->ieee80211_ptr;
15701 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
15703 trace_cfg80211_cqm_rssi_notify(dev, rssi_event, rssi_level);
15705 if (WARN_ON(rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW &&
15706 rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH))
15709 if (wdev->cqm_config) {
15710 wdev->cqm_config->last_rssi_event_value = rssi_level;
15712 cfg80211_cqm_rssi_update(rdev, dev);
15714 if (rssi_level == 0)
15715 rssi_level = wdev->cqm_config->last_rssi_event_value;
15718 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
15722 if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT,
15724 goto nla_put_failure;
15726 if (rssi_level && nla_put_s32(msg, NL80211_ATTR_CQM_RSSI_LEVEL,
15728 goto nla_put_failure;
15730 cfg80211_send_cqm(msg, gfp);
15737 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify);
15739 void cfg80211_cqm_txe_notify(struct net_device *dev,
15740 const u8 *peer, u32 num_packets,
15741 u32 rate, u32 intvl, gfp_t gfp)
15743 struct sk_buff *msg;
15745 msg = cfg80211_prepare_cqm(dev, peer, gfp);
15749 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets))
15750 goto nla_put_failure;
15752 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate))
15753 goto nla_put_failure;
15755 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl))
15756 goto nla_put_failure;
15758 cfg80211_send_cqm(msg, gfp);
15764 EXPORT_SYMBOL(cfg80211_cqm_txe_notify);
15766 void cfg80211_cqm_pktloss_notify(struct net_device *dev,
15767 const u8 *peer, u32 num_packets, gfp_t gfp)
15769 struct sk_buff *msg;
15771 trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets);
15773 msg = cfg80211_prepare_cqm(dev, peer, gfp);
15777 if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets))
15778 goto nla_put_failure;
15780 cfg80211_send_cqm(msg, gfp);
15786 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify);
15788 void cfg80211_cqm_beacon_loss_notify(struct net_device *dev, gfp_t gfp)
15790 struct sk_buff *msg;
15792 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
15796 if (nla_put_flag(msg, NL80211_ATTR_CQM_BEACON_LOSS_EVENT))
15797 goto nla_put_failure;
15799 cfg80211_send_cqm(msg, gfp);
15805 EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify);
15807 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev,
15808 struct net_device *netdev, const u8 *bssid,
15809 const u8 *replay_ctr, gfp_t gfp)
15811 struct sk_buff *msg;
15812 struct nlattr *rekey_attr;
15815 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15819 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD);
15825 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15826 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15827 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
15828 goto nla_put_failure;
15830 rekey_attr = nla_nest_start_noflag(msg, NL80211_ATTR_REKEY_DATA);
15832 goto nla_put_failure;
15834 if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR,
15835 NL80211_REPLAY_CTR_LEN, replay_ctr))
15836 goto nla_put_failure;
15838 nla_nest_end(msg, rekey_attr);
15840 genlmsg_end(msg, hdr);
15842 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15843 NL80211_MCGRP_MLME, gfp);
15850 void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid,
15851 const u8 *replay_ctr, gfp_t gfp)
15853 struct wireless_dev *wdev = dev->ieee80211_ptr;
15854 struct wiphy *wiphy = wdev->wiphy;
15855 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15857 trace_cfg80211_gtk_rekey_notify(dev, bssid);
15858 nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp);
15860 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify);
15863 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev,
15864 struct net_device *netdev, int index,
15865 const u8 *bssid, bool preauth, gfp_t gfp)
15867 struct sk_buff *msg;
15868 struct nlattr *attr;
15871 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15875 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE);
15881 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15882 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
15883 goto nla_put_failure;
15885 attr = nla_nest_start_noflag(msg, NL80211_ATTR_PMKSA_CANDIDATE);
15887 goto nla_put_failure;
15889 if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) ||
15890 nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) ||
15892 nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH)))
15893 goto nla_put_failure;
15895 nla_nest_end(msg, attr);
15897 genlmsg_end(msg, hdr);
15899 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15900 NL80211_MCGRP_MLME, gfp);
15907 void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index,
15908 const u8 *bssid, bool preauth, gfp_t gfp)
15910 struct wireless_dev *wdev = dev->ieee80211_ptr;
15911 struct wiphy *wiphy = wdev->wiphy;
15912 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15914 trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth);
15915 nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp);
15917 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify);
15919 static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev,
15920 struct net_device *netdev,
15921 struct cfg80211_chan_def *chandef,
15923 enum nl80211_commands notif,
15926 struct sk_buff *msg;
15929 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15933 hdr = nl80211hdr_put(msg, 0, 0, 0, notif);
15939 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
15940 goto nla_put_failure;
15942 if (nl80211_send_chandef(msg, chandef))
15943 goto nla_put_failure;
15945 if ((notif == NL80211_CMD_CH_SWITCH_STARTED_NOTIFY) &&
15946 (nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT, count)))
15947 goto nla_put_failure;
15949 genlmsg_end(msg, hdr);
15951 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15952 NL80211_MCGRP_MLME, gfp);
15959 void cfg80211_ch_switch_notify(struct net_device *dev,
15960 struct cfg80211_chan_def *chandef)
15962 struct wireless_dev *wdev = dev->ieee80211_ptr;
15963 struct wiphy *wiphy = wdev->wiphy;
15964 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15966 ASSERT_WDEV_LOCK(wdev);
15968 trace_cfg80211_ch_switch_notify(dev, chandef);
15970 wdev->chandef = *chandef;
15971 wdev->preset_chandef = *chandef;
15973 if (wdev->iftype == NL80211_IFTYPE_STATION &&
15974 !WARN_ON(!wdev->current_bss))
15975 wdev->current_bss->pub.channel = chandef->chan;
15977 nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL,
15978 NL80211_CMD_CH_SWITCH_NOTIFY, 0);
15980 EXPORT_SYMBOL(cfg80211_ch_switch_notify);
15982 void cfg80211_ch_switch_started_notify(struct net_device *dev,
15983 struct cfg80211_chan_def *chandef,
15986 struct wireless_dev *wdev = dev->ieee80211_ptr;
15987 struct wiphy *wiphy = wdev->wiphy;
15988 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15990 trace_cfg80211_ch_switch_started_notify(dev, chandef);
15992 nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL,
15993 NL80211_CMD_CH_SWITCH_STARTED_NOTIFY, count);
15995 EXPORT_SYMBOL(cfg80211_ch_switch_started_notify);
15998 nl80211_radar_notify(struct cfg80211_registered_device *rdev,
15999 const struct cfg80211_chan_def *chandef,
16000 enum nl80211_radar_event event,
16001 struct net_device *netdev, gfp_t gfp)
16003 struct sk_buff *msg;
16006 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16010 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT);
16016 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
16017 goto nla_put_failure;
16019 /* NOP and radar events don't need a netdev parameter */
16021 struct wireless_dev *wdev = netdev->ieee80211_ptr;
16023 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16024 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16026 goto nla_put_failure;
16029 if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event))
16030 goto nla_put_failure;
16032 if (nl80211_send_chandef(msg, chandef))
16033 goto nla_put_failure;
16035 genlmsg_end(msg, hdr);
16037 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16038 NL80211_MCGRP_MLME, gfp);
16045 void cfg80211_sta_opmode_change_notify(struct net_device *dev, const u8 *mac,
16046 struct sta_opmode_info *sta_opmode,
16049 struct sk_buff *msg;
16050 struct wireless_dev *wdev = dev->ieee80211_ptr;
16051 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16057 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16061 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STA_OPMODE_CHANGED);
16067 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
16068 goto nla_put_failure;
16070 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
16071 goto nla_put_failure;
16073 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
16074 goto nla_put_failure;
16076 if ((sta_opmode->changed & STA_OPMODE_SMPS_MODE_CHANGED) &&
16077 nla_put_u8(msg, NL80211_ATTR_SMPS_MODE, sta_opmode->smps_mode))
16078 goto nla_put_failure;
16080 if ((sta_opmode->changed & STA_OPMODE_MAX_BW_CHANGED) &&
16081 nla_put_u8(msg, NL80211_ATTR_CHANNEL_WIDTH, sta_opmode->bw))
16082 goto nla_put_failure;
16084 if ((sta_opmode->changed & STA_OPMODE_N_SS_CHANGED) &&
16085 nla_put_u8(msg, NL80211_ATTR_NSS, sta_opmode->rx_nss))
16086 goto nla_put_failure;
16088 genlmsg_end(msg, hdr);
16090 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16091 NL80211_MCGRP_MLME, gfp);
16098 EXPORT_SYMBOL(cfg80211_sta_opmode_change_notify);
16100 void cfg80211_probe_status(struct net_device *dev, const u8 *addr,
16101 u64 cookie, bool acked, s32 ack_signal,
16102 bool is_valid_ack_signal, gfp_t gfp)
16104 struct wireless_dev *wdev = dev->ieee80211_ptr;
16105 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16106 struct sk_buff *msg;
16109 trace_cfg80211_probe_status(dev, addr, cookie, acked);
16111 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16116 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT);
16122 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16123 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16124 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
16125 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
16126 NL80211_ATTR_PAD) ||
16127 (acked && nla_put_flag(msg, NL80211_ATTR_ACK)) ||
16128 (is_valid_ack_signal && nla_put_s32(msg, NL80211_ATTR_ACK_SIGNAL,
16130 goto nla_put_failure;
16132 genlmsg_end(msg, hdr);
16134 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16135 NL80211_MCGRP_MLME, gfp);
16141 EXPORT_SYMBOL(cfg80211_probe_status);
16143 void cfg80211_report_obss_beacon(struct wiphy *wiphy,
16144 const u8 *frame, size_t len,
16145 int freq, int sig_dbm)
16147 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16148 struct sk_buff *msg;
16150 struct cfg80211_beacon_registration *reg;
16152 trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm);
16154 spin_lock_bh(&rdev->beacon_registrations_lock);
16155 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
16156 msg = nlmsg_new(len + 100, GFP_ATOMIC);
16158 spin_unlock_bh(&rdev->beacon_registrations_lock);
16162 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
16164 goto nla_put_failure;
16166 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16168 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) ||
16170 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
16171 nla_put(msg, NL80211_ATTR_FRAME, len, frame))
16172 goto nla_put_failure;
16174 genlmsg_end(msg, hdr);
16176 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid);
16178 spin_unlock_bh(&rdev->beacon_registrations_lock);
16182 spin_unlock_bh(&rdev->beacon_registrations_lock);
16185 EXPORT_SYMBOL(cfg80211_report_obss_beacon);
16188 static int cfg80211_net_detect_results(struct sk_buff *msg,
16189 struct cfg80211_wowlan_wakeup *wakeup)
16191 struct cfg80211_wowlan_nd_info *nd = wakeup->net_detect;
16192 struct nlattr *nl_results, *nl_match, *nl_freqs;
16195 nl_results = nla_nest_start_noflag(msg,
16196 NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS);
16200 for (i = 0; i < nd->n_matches; i++) {
16201 struct cfg80211_wowlan_nd_match *match = nd->matches[i];
16203 nl_match = nla_nest_start_noflag(msg, i);
16207 /* The SSID attribute is optional in nl80211, but for
16208 * simplicity reasons it's always present in the
16209 * cfg80211 structure. If a driver can't pass the
16210 * SSID, that needs to be changed. A zero length SSID
16211 * is still a valid SSID (wildcard), so it cannot be
16212 * used for this purpose.
16214 if (nla_put(msg, NL80211_ATTR_SSID, match->ssid.ssid_len,
16215 match->ssid.ssid)) {
16216 nla_nest_cancel(msg, nl_match);
16220 if (match->n_channels) {
16221 nl_freqs = nla_nest_start_noflag(msg,
16222 NL80211_ATTR_SCAN_FREQUENCIES);
16224 nla_nest_cancel(msg, nl_match);
16228 for (j = 0; j < match->n_channels; j++) {
16229 if (nla_put_u32(msg, j, match->channels[j])) {
16230 nla_nest_cancel(msg, nl_freqs);
16231 nla_nest_cancel(msg, nl_match);
16236 nla_nest_end(msg, nl_freqs);
16239 nla_nest_end(msg, nl_match);
16243 nla_nest_end(msg, nl_results);
16247 void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev,
16248 struct cfg80211_wowlan_wakeup *wakeup,
16251 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16252 struct sk_buff *msg;
16256 trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup);
16259 size += wakeup->packet_present_len;
16261 msg = nlmsg_new(size, gfp);
16265 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN);
16269 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16270 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16274 if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
16275 wdev->netdev->ifindex))
16279 struct nlattr *reasons;
16281 reasons = nla_nest_start_noflag(msg,
16282 NL80211_ATTR_WOWLAN_TRIGGERS);
16286 if (wakeup->disconnect &&
16287 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT))
16289 if (wakeup->magic_pkt &&
16290 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT))
16292 if (wakeup->gtk_rekey_failure &&
16293 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE))
16295 if (wakeup->eap_identity_req &&
16296 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST))
16298 if (wakeup->four_way_handshake &&
16299 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE))
16301 if (wakeup->rfkill_release &&
16302 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))
16305 if (wakeup->pattern_idx >= 0 &&
16306 nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
16307 wakeup->pattern_idx))
16310 if (wakeup->tcp_match &&
16311 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH))
16314 if (wakeup->tcp_connlost &&
16315 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST))
16318 if (wakeup->tcp_nomoretokens &&
16320 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS))
16323 if (wakeup->packet) {
16324 u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211;
16325 u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN;
16327 if (!wakeup->packet_80211) {
16329 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023;
16331 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN;
16334 if (wakeup->packet_len &&
16335 nla_put_u32(msg, len_attr, wakeup->packet_len))
16338 if (nla_put(msg, pkt_attr, wakeup->packet_present_len,
16343 if (wakeup->net_detect &&
16344 cfg80211_net_detect_results(msg, wakeup))
16347 nla_nest_end(msg, reasons);
16350 genlmsg_end(msg, hdr);
16352 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16353 NL80211_MCGRP_MLME, gfp);
16359 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup);
16362 void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer,
16363 enum nl80211_tdls_operation oper,
16364 u16 reason_code, gfp_t gfp)
16366 struct wireless_dev *wdev = dev->ieee80211_ptr;
16367 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16368 struct sk_buff *msg;
16371 trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper,
16374 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16378 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER);
16384 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16385 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16386 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) ||
16387 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) ||
16388 (reason_code > 0 &&
16389 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code)))
16390 goto nla_put_failure;
16392 genlmsg_end(msg, hdr);
16394 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16395 NL80211_MCGRP_MLME, gfp);
16401 EXPORT_SYMBOL(cfg80211_tdls_oper_request);
16403 static int nl80211_netlink_notify(struct notifier_block * nb,
16404 unsigned long state,
16407 struct netlink_notify *notify = _notify;
16408 struct cfg80211_registered_device *rdev;
16409 struct wireless_dev *wdev;
16410 struct cfg80211_beacon_registration *reg, *tmp;
16412 if (state != NETLINK_URELEASE || notify->protocol != NETLINK_GENERIC)
16413 return NOTIFY_DONE;
16417 list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) {
16418 struct cfg80211_sched_scan_request *sched_scan_req;
16420 list_for_each_entry_rcu(sched_scan_req,
16421 &rdev->sched_scan_req_list,
16423 if (sched_scan_req->owner_nlportid == notify->portid) {
16424 sched_scan_req->nl_owner_dead = true;
16425 schedule_work(&rdev->sched_scan_stop_wk);
16429 list_for_each_entry_rcu(wdev, &rdev->wiphy.wdev_list, list) {
16430 cfg80211_mlme_unregister_socket(wdev, notify->portid);
16432 if (wdev->owner_nlportid == notify->portid) {
16433 wdev->nl_owner_dead = true;
16434 schedule_work(&rdev->destroy_work);
16435 } else if (wdev->conn_owner_nlportid == notify->portid) {
16436 schedule_work(&wdev->disconnect_wk);
16439 cfg80211_release_pmsr(wdev, notify->portid);
16442 spin_lock_bh(&rdev->beacon_registrations_lock);
16443 list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations,
16445 if (reg->nlportid == notify->portid) {
16446 list_del(®->list);
16451 spin_unlock_bh(&rdev->beacon_registrations_lock);
16457 * It is possible that the user space process that is controlling the
16458 * indoor setting disappeared, so notify the regulatory core.
16460 regulatory_netlink_notify(notify->portid);
16464 static struct notifier_block nl80211_netlink_notifier = {
16465 .notifier_call = nl80211_netlink_notify,
16468 void cfg80211_ft_event(struct net_device *netdev,
16469 struct cfg80211_ft_event_params *ft_event)
16471 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
16472 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16473 struct sk_buff *msg;
16476 trace_cfg80211_ft_event(wiphy, netdev, ft_event);
16478 if (!ft_event->target_ap)
16481 msg = nlmsg_new(100 + ft_event->ies_len + ft_event->ric_ies_len,
16486 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT);
16490 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16491 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16492 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap))
16495 if (ft_event->ies &&
16496 nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies))
16498 if (ft_event->ric_ies &&
16499 nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len,
16500 ft_event->ric_ies))
16503 genlmsg_end(msg, hdr);
16505 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16506 NL80211_MCGRP_MLME, GFP_KERNEL);
16511 EXPORT_SYMBOL(cfg80211_ft_event);
16513 void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp)
16515 struct cfg80211_registered_device *rdev;
16516 struct sk_buff *msg;
16520 rdev = wiphy_to_rdev(wdev->wiphy);
16521 if (!rdev->crit_proto_nlportid)
16524 nlportid = rdev->crit_proto_nlportid;
16525 rdev->crit_proto_nlportid = 0;
16527 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16531 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP);
16533 goto nla_put_failure;
16535 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16536 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16538 goto nla_put_failure;
16540 genlmsg_end(msg, hdr);
16542 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
16548 EXPORT_SYMBOL(cfg80211_crit_proto_stopped);
16550 void nl80211_send_ap_stopped(struct wireless_dev *wdev)
16552 struct wiphy *wiphy = wdev->wiphy;
16553 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16554 struct sk_buff *msg;
16557 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
16561 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STOP_AP);
16565 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16566 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex) ||
16567 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16571 genlmsg_end(msg, hdr);
16573 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(wiphy), msg, 0,
16574 NL80211_MCGRP_MLME, GFP_KERNEL);
16580 int cfg80211_external_auth_request(struct net_device *dev,
16581 struct cfg80211_external_auth_params *params,
16584 struct wireless_dev *wdev = dev->ieee80211_ptr;
16585 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16586 struct sk_buff *msg;
16589 if (!wdev->conn_owner_nlportid)
16592 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16596 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_EXTERNAL_AUTH);
16598 goto nla_put_failure;
16600 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16601 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16602 nla_put_u32(msg, NL80211_ATTR_AKM_SUITES, params->key_mgmt_suite) ||
16603 nla_put_u32(msg, NL80211_ATTR_EXTERNAL_AUTH_ACTION,
16605 nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, params->bssid) ||
16606 nla_put(msg, NL80211_ATTR_SSID, params->ssid.ssid_len,
16607 params->ssid.ssid))
16608 goto nla_put_failure;
16610 genlmsg_end(msg, hdr);
16611 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
16612 wdev->conn_owner_nlportid);
16619 EXPORT_SYMBOL(cfg80211_external_auth_request);
16621 void cfg80211_update_owe_info_event(struct net_device *netdev,
16622 struct cfg80211_update_owe_info *owe_info,
16625 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
16626 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16627 struct sk_buff *msg;
16630 trace_cfg80211_update_owe_info_event(wiphy, netdev, owe_info);
16632 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16636 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_UPDATE_OWE_INFO);
16638 goto nla_put_failure;
16640 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16641 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16642 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, owe_info->peer))
16643 goto nla_put_failure;
16645 if (!owe_info->ie_len ||
16646 nla_put(msg, NL80211_ATTR_IE, owe_info->ie_len, owe_info->ie))
16647 goto nla_put_failure;
16649 genlmsg_end(msg, hdr);
16651 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16652 NL80211_MCGRP_MLME, gfp);
16656 genlmsg_cancel(msg, hdr);
16659 EXPORT_SYMBOL(cfg80211_update_owe_info_event);
16661 /* initialisation/exit functions */
16663 int __init nl80211_init(void)
16667 err = genl_register_family(&nl80211_fam);
16671 err = netlink_register_notifier(&nl80211_netlink_notifier);
16677 genl_unregister_family(&nl80211_fam);
16681 void nl80211_exit(void)
16683 netlink_unregister_notifier(&nl80211_netlink_notifier);
16684 genl_unregister_family(&nl80211_fam);