2 * This is the new netlink-based wireless configuration interface.
4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
5 * Copyright 2013-2014 Intel Mobile Communications GmbH
6 * Copyright 2015-2017 Intel Deutschland GmbH
7 * Copyright (C) 2018-2019 Intel Corporation
11 #include <linux/module.h>
12 #include <linux/err.h>
13 #include <linux/slab.h>
14 #include <linux/list.h>
15 #include <linux/if_ether.h>
16 #include <linux/ieee80211.h>
17 #include <linux/nl80211.h>
18 #include <linux/rtnetlink.h>
19 #include <linux/netlink.h>
20 #include <linux/nospec.h>
21 #include <linux/etherdevice.h>
22 #include <net/net_namespace.h>
23 #include <net/genetlink.h>
24 #include <net/cfg80211.h>
26 #include <net/inet_connection_sock.h>
32 static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
33 struct genl_info *info,
34 struct cfg80211_crypto_settings *settings,
37 /* the netlink family */
38 static struct genl_family nl80211_fam;
40 /* multicast groups */
41 enum nl80211_multicast_groups {
44 NL80211_MCGRP_REGULATORY,
48 NL80211_MCGRP_TESTMODE /* keep last - ifdef! */
51 static const struct genl_multicast_group nl80211_mcgrps[] = {
52 [NL80211_MCGRP_CONFIG] = { .name = NL80211_MULTICAST_GROUP_CONFIG },
53 [NL80211_MCGRP_SCAN] = { .name = NL80211_MULTICAST_GROUP_SCAN },
54 [NL80211_MCGRP_REGULATORY] = { .name = NL80211_MULTICAST_GROUP_REG },
55 [NL80211_MCGRP_MLME] = { .name = NL80211_MULTICAST_GROUP_MLME },
56 [NL80211_MCGRP_VENDOR] = { .name = NL80211_MULTICAST_GROUP_VENDOR },
57 [NL80211_MCGRP_NAN] = { .name = NL80211_MULTICAST_GROUP_NAN },
58 #ifdef CONFIG_NL80211_TESTMODE
59 [NL80211_MCGRP_TESTMODE] = { .name = NL80211_MULTICAST_GROUP_TESTMODE }
63 /* returns ERR_PTR values */
64 static struct wireless_dev *
65 __cfg80211_wdev_from_attrs(struct net *netns, struct nlattr **attrs)
67 struct cfg80211_registered_device *rdev;
68 struct wireless_dev *result = NULL;
69 bool have_ifidx = attrs[NL80211_ATTR_IFINDEX];
70 bool have_wdev_id = attrs[NL80211_ATTR_WDEV];
77 if (!have_ifidx && !have_wdev_id)
78 return ERR_PTR(-EINVAL);
81 ifidx = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);
83 wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]);
84 wiphy_idx = wdev_id >> 32;
87 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
88 struct wireless_dev *wdev;
90 if (wiphy_net(&rdev->wiphy) != netns)
93 if (have_wdev_id && rdev->wiphy_idx != wiphy_idx)
96 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
97 if (have_ifidx && wdev->netdev &&
98 wdev->netdev->ifindex == ifidx) {
102 if (have_wdev_id && wdev->identifier == (u32)wdev_id) {
114 return ERR_PTR(-ENODEV);
117 static struct cfg80211_registered_device *
118 __cfg80211_rdev_from_attrs(struct net *netns, struct nlattr **attrs)
120 struct cfg80211_registered_device *rdev = NULL, *tmp;
121 struct net_device *netdev;
125 if (!attrs[NL80211_ATTR_WIPHY] &&
126 !attrs[NL80211_ATTR_IFINDEX] &&
127 !attrs[NL80211_ATTR_WDEV])
128 return ERR_PTR(-EINVAL);
130 if (attrs[NL80211_ATTR_WIPHY])
131 rdev = cfg80211_rdev_by_wiphy_idx(
132 nla_get_u32(attrs[NL80211_ATTR_WIPHY]));
134 if (attrs[NL80211_ATTR_WDEV]) {
135 u64 wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]);
136 struct wireless_dev *wdev;
139 tmp = cfg80211_rdev_by_wiphy_idx(wdev_id >> 32);
141 /* make sure wdev exists */
142 list_for_each_entry(wdev, &tmp->wiphy.wdev_list, list) {
143 if (wdev->identifier != (u32)wdev_id)
152 if (rdev && tmp != rdev)
153 return ERR_PTR(-EINVAL);
158 if (attrs[NL80211_ATTR_IFINDEX]) {
159 int ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);
161 netdev = __dev_get_by_index(netns, ifindex);
163 if (netdev->ieee80211_ptr)
165 netdev->ieee80211_ptr->wiphy);
169 /* not wireless device -- return error */
171 return ERR_PTR(-EINVAL);
173 /* mismatch -- return error */
174 if (rdev && tmp != rdev)
175 return ERR_PTR(-EINVAL);
182 return ERR_PTR(-ENODEV);
184 if (netns != wiphy_net(&rdev->wiphy))
185 return ERR_PTR(-ENODEV);
191 * This function returns a pointer to the driver
192 * that the genl_info item that is passed refers to.
194 * The result of this can be a PTR_ERR and hence must
195 * be checked with IS_ERR() for errors.
197 static struct cfg80211_registered_device *
198 cfg80211_get_dev_from_info(struct net *netns, struct genl_info *info)
200 return __cfg80211_rdev_from_attrs(netns, info->attrs);
203 static int validate_ie_attr(const struct nlattr *attr,
204 struct netlink_ext_ack *extack)
206 const u8 *data = nla_data(attr);
207 unsigned int len = nla_len(attr);
208 const struct element *elem;
210 for_each_element(elem, data, len) {
214 if (for_each_element_completed(elem, data, len))
217 NL_SET_ERR_MSG_ATTR(extack, attr, "malformed information elements");
221 /* policy for the attributes */
222 static const struct nla_policy
223 nl80211_ftm_responder_policy[NL80211_FTM_RESP_ATTR_MAX + 1] = {
224 [NL80211_FTM_RESP_ATTR_ENABLED] = { .type = NLA_FLAG, },
225 [NL80211_FTM_RESP_ATTR_LCI] = { .type = NLA_BINARY,
227 [NL80211_FTM_RESP_ATTR_CIVICLOC] = { .type = NLA_BINARY,
231 static const struct nla_policy
232 nl80211_pmsr_ftm_req_attr_policy[NL80211_PMSR_FTM_REQ_ATTR_MAX + 1] = {
233 [NL80211_PMSR_FTM_REQ_ATTR_ASAP] = { .type = NLA_FLAG },
234 [NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE] = { .type = NLA_U32 },
235 [NL80211_PMSR_FTM_REQ_ATTR_NUM_BURSTS_EXP] =
236 NLA_POLICY_MAX(NLA_U8, 15),
237 [NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD] = { .type = NLA_U16 },
238 [NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION] =
239 NLA_POLICY_MAX(NLA_U8, 15),
240 [NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST] =
241 NLA_POLICY_MAX(NLA_U8, 31),
242 [NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES] = { .type = NLA_U8 },
243 [NL80211_PMSR_FTM_REQ_ATTR_REQUEST_LCI] = { .type = NLA_FLAG },
244 [NL80211_PMSR_FTM_REQ_ATTR_REQUEST_CIVICLOC] = { .type = NLA_FLAG },
247 static const struct nla_policy
248 nl80211_pmsr_req_data_policy[NL80211_PMSR_TYPE_MAX + 1] = {
249 [NL80211_PMSR_TYPE_FTM] =
250 NLA_POLICY_NESTED(nl80211_pmsr_ftm_req_attr_policy),
253 static const struct nla_policy
254 nl80211_pmsr_req_attr_policy[NL80211_PMSR_REQ_ATTR_MAX + 1] = {
255 [NL80211_PMSR_REQ_ATTR_DATA] =
256 NLA_POLICY_NESTED(nl80211_pmsr_req_data_policy),
257 [NL80211_PMSR_REQ_ATTR_GET_AP_TSF] = { .type = NLA_FLAG },
260 static const struct nla_policy
261 nl80211_psmr_peer_attr_policy[NL80211_PMSR_PEER_ATTR_MAX + 1] = {
262 [NL80211_PMSR_PEER_ATTR_ADDR] = NLA_POLICY_ETH_ADDR,
264 * we could specify this again to be the top-level policy,
265 * but that would open us up to recursion problems ...
267 [NL80211_PMSR_PEER_ATTR_CHAN] = { .type = NLA_NESTED },
268 [NL80211_PMSR_PEER_ATTR_REQ] =
269 NLA_POLICY_NESTED(nl80211_pmsr_req_attr_policy),
270 [NL80211_PMSR_PEER_ATTR_RESP] = { .type = NLA_REJECT },
273 static const struct nla_policy
274 nl80211_pmsr_attr_policy[NL80211_PMSR_ATTR_MAX + 1] = {
275 [NL80211_PMSR_ATTR_MAX_PEERS] = { .type = NLA_REJECT },
276 [NL80211_PMSR_ATTR_REPORT_AP_TSF] = { .type = NLA_REJECT },
277 [NL80211_PMSR_ATTR_RANDOMIZE_MAC_ADDR] = { .type = NLA_REJECT },
278 [NL80211_PMSR_ATTR_TYPE_CAPA] = { .type = NLA_REJECT },
279 [NL80211_PMSR_ATTR_PEERS] =
280 NLA_POLICY_NESTED_ARRAY(nl80211_psmr_peer_attr_policy),
283 const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
284 [NL80211_ATTR_WIPHY] = { .type = NLA_U32 },
285 [NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING,
287 [NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED },
289 [NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 },
290 [NL80211_ATTR_WIPHY_CHANNEL_TYPE] = { .type = NLA_U32 },
291 [NL80211_ATTR_CHANNEL_WIDTH] = { .type = NLA_U32 },
292 [NL80211_ATTR_CENTER_FREQ1] = { .type = NLA_U32 },
293 [NL80211_ATTR_CENTER_FREQ2] = { .type = NLA_U32 },
295 [NL80211_ATTR_WIPHY_RETRY_SHORT] = NLA_POLICY_MIN(NLA_U8, 1),
296 [NL80211_ATTR_WIPHY_RETRY_LONG] = NLA_POLICY_MIN(NLA_U8, 1),
297 [NL80211_ATTR_WIPHY_FRAG_THRESHOLD] = { .type = NLA_U32 },
298 [NL80211_ATTR_WIPHY_RTS_THRESHOLD] = { .type = NLA_U32 },
299 [NL80211_ATTR_WIPHY_COVERAGE_CLASS] = { .type = NLA_U8 },
300 [NL80211_ATTR_WIPHY_DYN_ACK] = { .type = NLA_FLAG },
302 [NL80211_ATTR_IFTYPE] = NLA_POLICY_MAX(NLA_U32, NL80211_IFTYPE_MAX),
303 [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 },
304 [NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 },
306 [NL80211_ATTR_MAC] = { .len = ETH_ALEN },
307 [NL80211_ATTR_PREV_BSSID] = { .len = ETH_ALEN },
309 [NL80211_ATTR_KEY] = { .type = NLA_NESTED, },
310 [NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY,
311 .len = WLAN_MAX_KEY_LEN },
312 [NL80211_ATTR_KEY_IDX] = NLA_POLICY_MAX(NLA_U8, 5),
313 [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 },
314 [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG },
315 [NL80211_ATTR_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
316 [NL80211_ATTR_KEY_TYPE] =
317 NLA_POLICY_MAX(NLA_U32, NUM_NL80211_KEYTYPES),
319 [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 },
320 [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 },
321 [NL80211_ATTR_BEACON_HEAD] = { .type = NLA_BINARY,
322 .len = IEEE80211_MAX_DATA_LEN },
323 [NL80211_ATTR_BEACON_TAIL] =
324 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
325 IEEE80211_MAX_DATA_LEN),
326 [NL80211_ATTR_STA_AID] =
327 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
328 [NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED },
329 [NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 },
330 [NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY,
331 .len = NL80211_MAX_SUPP_RATES },
332 [NL80211_ATTR_STA_PLINK_ACTION] =
333 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_PLINK_ACTIONS - 1),
334 [NL80211_ATTR_STA_TX_POWER_SETTING] =
335 NLA_POLICY_RANGE(NLA_U8,
336 NL80211_TX_POWER_AUTOMATIC,
337 NL80211_TX_POWER_FIXED),
338 [NL80211_ATTR_STA_TX_POWER] = { .type = NLA_S16 },
339 [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 },
340 [NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ },
341 [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY,
342 .len = IEEE80211_MAX_MESH_ID_LEN },
343 [NL80211_ATTR_MPATH_NEXT_HOP] = { .type = NLA_U32 },
345 [NL80211_ATTR_REG_ALPHA2] = { .type = NLA_STRING, .len = 2 },
346 [NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED },
348 [NL80211_ATTR_BSS_CTS_PROT] = { .type = NLA_U8 },
349 [NL80211_ATTR_BSS_SHORT_PREAMBLE] = { .type = NLA_U8 },
350 [NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 },
351 [NL80211_ATTR_BSS_BASIC_RATES] = { .type = NLA_BINARY,
352 .len = NL80211_MAX_SUPP_RATES },
353 [NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 },
355 [NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED },
356 [NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG },
358 [NL80211_ATTR_HT_CAPABILITY] = { .len = NL80211_HT_CAPABILITY_LEN },
360 [NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 },
361 [NL80211_ATTR_IE] = NLA_POLICY_VALIDATE_FN(NLA_BINARY,
363 IEEE80211_MAX_DATA_LEN),
364 [NL80211_ATTR_SCAN_FREQUENCIES] = { .type = NLA_NESTED },
365 [NL80211_ATTR_SCAN_SSIDS] = { .type = NLA_NESTED },
367 [NL80211_ATTR_SSID] = { .type = NLA_BINARY,
368 .len = IEEE80211_MAX_SSID_LEN },
369 [NL80211_ATTR_AUTH_TYPE] = { .type = NLA_U32 },
370 [NL80211_ATTR_REASON_CODE] = { .type = NLA_U16 },
371 [NL80211_ATTR_FREQ_FIXED] = { .type = NLA_FLAG },
372 [NL80211_ATTR_TIMED_OUT] = { .type = NLA_FLAG },
373 [NL80211_ATTR_USE_MFP] = NLA_POLICY_RANGE(NLA_U32,
375 NL80211_MFP_OPTIONAL),
376 [NL80211_ATTR_STA_FLAGS2] = {
377 .len = sizeof(struct nl80211_sta_flag_update),
379 [NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG },
380 [NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 },
381 [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG },
382 [NL80211_ATTR_CONTROL_PORT_OVER_NL80211] = { .type = NLA_FLAG },
383 [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG },
384 [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 },
385 [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 },
386 [NL80211_ATTR_PID] = { .type = NLA_U32 },
387 [NL80211_ATTR_4ADDR] = { .type = NLA_U8 },
388 [NL80211_ATTR_PMKID] = { .len = WLAN_PMKID_LEN },
389 [NL80211_ATTR_DURATION] = { .type = NLA_U32 },
390 [NL80211_ATTR_COOKIE] = { .type = NLA_U64 },
391 [NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED },
392 [NL80211_ATTR_FRAME] = { .type = NLA_BINARY,
393 .len = IEEE80211_MAX_DATA_LEN },
394 [NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, },
395 [NL80211_ATTR_PS_STATE] = NLA_POLICY_RANGE(NLA_U32,
398 [NL80211_ATTR_CQM] = { .type = NLA_NESTED, },
399 [NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG },
400 [NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 },
401 [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 },
402 [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 },
403 [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 },
404 [NL80211_ATTR_WIPHY_ANTENNA_TX] = { .type = NLA_U32 },
405 [NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 },
406 [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 },
407 [NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG },
408 [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
409 [NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED },
410 [NL80211_ATTR_STA_PLINK_STATE] =
411 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_PLINK_STATES - 1),
412 [NL80211_ATTR_MESH_PEER_AID] =
413 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
414 [NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 },
415 [NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED },
416 [NL80211_ATTR_SCAN_SUPP_RATES] = { .type = NLA_NESTED },
417 [NL80211_ATTR_HIDDEN_SSID] =
418 NLA_POLICY_RANGE(NLA_U32,
419 NL80211_HIDDEN_SSID_NOT_IN_USE,
420 NL80211_HIDDEN_SSID_ZERO_CONTENTS),
421 [NL80211_ATTR_IE_PROBE_RESP] =
422 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
423 IEEE80211_MAX_DATA_LEN),
424 [NL80211_ATTR_IE_ASSOC_RESP] =
425 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
426 IEEE80211_MAX_DATA_LEN),
427 [NL80211_ATTR_ROAM_SUPPORT] = { .type = NLA_FLAG },
428 [NL80211_ATTR_SCHED_SCAN_MATCH] = { .type = NLA_NESTED },
429 [NL80211_ATTR_TX_NO_CCK_RATE] = { .type = NLA_FLAG },
430 [NL80211_ATTR_TDLS_ACTION] = { .type = NLA_U8 },
431 [NL80211_ATTR_TDLS_DIALOG_TOKEN] = { .type = NLA_U8 },
432 [NL80211_ATTR_TDLS_OPERATION] = { .type = NLA_U8 },
433 [NL80211_ATTR_TDLS_SUPPORT] = { .type = NLA_FLAG },
434 [NL80211_ATTR_TDLS_EXTERNAL_SETUP] = { .type = NLA_FLAG },
435 [NL80211_ATTR_TDLS_INITIATOR] = { .type = NLA_FLAG },
436 [NL80211_ATTR_DONT_WAIT_FOR_ACK] = { .type = NLA_FLAG },
437 [NL80211_ATTR_PROBE_RESP] = { .type = NLA_BINARY,
438 .len = IEEE80211_MAX_DATA_LEN },
439 [NL80211_ATTR_DFS_REGION] = { .type = NLA_U8 },
440 [NL80211_ATTR_DISABLE_HT] = { .type = NLA_FLAG },
441 [NL80211_ATTR_HT_CAPABILITY_MASK] = {
442 .len = NL80211_HT_CAPABILITY_LEN
444 [NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 },
445 [NL80211_ATTR_INACTIVITY_TIMEOUT] = { .type = NLA_U16 },
446 [NL80211_ATTR_BG_SCAN_PERIOD] = { .type = NLA_U16 },
447 [NL80211_ATTR_WDEV] = { .type = NLA_U64 },
448 [NL80211_ATTR_USER_REG_HINT_TYPE] = { .type = NLA_U32 },
449 [NL80211_ATTR_AUTH_DATA] = { .type = NLA_BINARY, },
450 [NL80211_ATTR_VHT_CAPABILITY] = { .len = NL80211_VHT_CAPABILITY_LEN },
451 [NL80211_ATTR_SCAN_FLAGS] = { .type = NLA_U32 },
452 [NL80211_ATTR_P2P_CTWINDOW] = NLA_POLICY_MAX(NLA_U8, 127),
453 [NL80211_ATTR_P2P_OPPPS] = NLA_POLICY_MAX(NLA_U8, 1),
454 [NL80211_ATTR_LOCAL_MESH_POWER_MODE] =
455 NLA_POLICY_RANGE(NLA_U32,
456 NL80211_MESH_POWER_UNKNOWN + 1,
457 NL80211_MESH_POWER_MAX),
458 [NL80211_ATTR_ACL_POLICY] = {. type = NLA_U32 },
459 [NL80211_ATTR_MAC_ADDRS] = { .type = NLA_NESTED },
460 [NL80211_ATTR_STA_CAPABILITY] = { .type = NLA_U16 },
461 [NL80211_ATTR_STA_EXT_CAPABILITY] = { .type = NLA_BINARY, },
462 [NL80211_ATTR_SPLIT_WIPHY_DUMP] = { .type = NLA_FLAG, },
463 [NL80211_ATTR_DISABLE_VHT] = { .type = NLA_FLAG },
464 [NL80211_ATTR_VHT_CAPABILITY_MASK] = {
465 .len = NL80211_VHT_CAPABILITY_LEN,
467 [NL80211_ATTR_MDID] = { .type = NLA_U16 },
468 [NL80211_ATTR_IE_RIC] = { .type = NLA_BINARY,
469 .len = IEEE80211_MAX_DATA_LEN },
470 [NL80211_ATTR_PEER_AID] =
471 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
472 [NL80211_ATTR_CH_SWITCH_COUNT] = { .type = NLA_U32 },
473 [NL80211_ATTR_CH_SWITCH_BLOCK_TX] = { .type = NLA_FLAG },
474 [NL80211_ATTR_CSA_IES] = { .type = NLA_NESTED },
475 [NL80211_ATTR_CSA_C_OFF_BEACON] = { .type = NLA_BINARY },
476 [NL80211_ATTR_CSA_C_OFF_PRESP] = { .type = NLA_BINARY },
477 [NL80211_ATTR_STA_SUPPORTED_CHANNELS] = { .type = NLA_BINARY },
478 [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES] = { .type = NLA_BINARY },
479 [NL80211_ATTR_HANDLE_DFS] = { .type = NLA_FLAG },
480 [NL80211_ATTR_OPMODE_NOTIF] = { .type = NLA_U8 },
481 [NL80211_ATTR_VENDOR_ID] = { .type = NLA_U32 },
482 [NL80211_ATTR_VENDOR_SUBCMD] = { .type = NLA_U32 },
483 [NL80211_ATTR_VENDOR_DATA] = { .type = NLA_BINARY },
484 [NL80211_ATTR_QOS_MAP] = { .type = NLA_BINARY,
485 .len = IEEE80211_QOS_MAP_LEN_MAX },
486 [NL80211_ATTR_MAC_HINT] = { .len = ETH_ALEN },
487 [NL80211_ATTR_WIPHY_FREQ_HINT] = { .type = NLA_U32 },
488 [NL80211_ATTR_TDLS_PEER_CAPABILITY] = { .type = NLA_U32 },
489 [NL80211_ATTR_SOCKET_OWNER] = { .type = NLA_FLAG },
490 [NL80211_ATTR_CSA_C_OFFSETS_TX] = { .type = NLA_BINARY },
491 [NL80211_ATTR_USE_RRM] = { .type = NLA_FLAG },
492 [NL80211_ATTR_TSID] = NLA_POLICY_MAX(NLA_U8, IEEE80211_NUM_TIDS - 1),
493 [NL80211_ATTR_USER_PRIO] =
494 NLA_POLICY_MAX(NLA_U8, IEEE80211_NUM_UPS - 1),
495 [NL80211_ATTR_ADMITTED_TIME] = { .type = NLA_U16 },
496 [NL80211_ATTR_SMPS_MODE] = { .type = NLA_U8 },
497 [NL80211_ATTR_MAC_MASK] = { .len = ETH_ALEN },
498 [NL80211_ATTR_WIPHY_SELF_MANAGED_REG] = { .type = NLA_FLAG },
499 [NL80211_ATTR_NETNS_FD] = { .type = NLA_U32 },
500 [NL80211_ATTR_SCHED_SCAN_DELAY] = { .type = NLA_U32 },
501 [NL80211_ATTR_REG_INDOOR] = { .type = NLA_FLAG },
502 [NL80211_ATTR_PBSS] = { .type = NLA_FLAG },
503 [NL80211_ATTR_BSS_SELECT] = { .type = NLA_NESTED },
504 [NL80211_ATTR_STA_SUPPORT_P2P_PS] =
505 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_P2P_PS_STATUS - 1),
506 [NL80211_ATTR_MU_MIMO_GROUP_DATA] = {
507 .len = VHT_MUMIMO_GROUPS_DATA_LEN
509 [NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR] = { .len = ETH_ALEN },
510 [NL80211_ATTR_NAN_MASTER_PREF] = NLA_POLICY_MIN(NLA_U8, 1),
511 [NL80211_ATTR_BANDS] = { .type = NLA_U32 },
512 [NL80211_ATTR_NAN_FUNC] = { .type = NLA_NESTED },
513 [NL80211_ATTR_FILS_KEK] = { .type = NLA_BINARY,
514 .len = FILS_MAX_KEK_LEN },
515 [NL80211_ATTR_FILS_NONCES] = { .len = 2 * FILS_NONCE_LEN },
516 [NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED] = { .type = NLA_FLAG, },
517 [NL80211_ATTR_BSSID] = { .len = ETH_ALEN },
518 [NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] = { .type = NLA_S8 },
519 [NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST] = {
520 .len = sizeof(struct nl80211_bss_select_rssi_adjust)
522 [NL80211_ATTR_TIMEOUT_REASON] = { .type = NLA_U32 },
523 [NL80211_ATTR_FILS_ERP_USERNAME] = { .type = NLA_BINARY,
524 .len = FILS_ERP_MAX_USERNAME_LEN },
525 [NL80211_ATTR_FILS_ERP_REALM] = { .type = NLA_BINARY,
526 .len = FILS_ERP_MAX_REALM_LEN },
527 [NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] = { .type = NLA_U16 },
528 [NL80211_ATTR_FILS_ERP_RRK] = { .type = NLA_BINARY,
529 .len = FILS_ERP_MAX_RRK_LEN },
530 [NL80211_ATTR_FILS_CACHE_ID] = { .len = 2 },
531 [NL80211_ATTR_PMK] = { .type = NLA_BINARY, .len = PMK_MAX_LEN },
532 [NL80211_ATTR_SCHED_SCAN_MULTI] = { .type = NLA_FLAG },
533 [NL80211_ATTR_EXTERNAL_AUTH_SUPPORT] = { .type = NLA_FLAG },
535 [NL80211_ATTR_TXQ_LIMIT] = { .type = NLA_U32 },
536 [NL80211_ATTR_TXQ_MEMORY_LIMIT] = { .type = NLA_U32 },
537 [NL80211_ATTR_TXQ_QUANTUM] = { .type = NLA_U32 },
538 [NL80211_ATTR_HE_CAPABILITY] = { .type = NLA_BINARY,
539 .len = NL80211_HE_MAX_CAPABILITY_LEN },
541 [NL80211_ATTR_FTM_RESPONDER] = {
543 .validation_data = nl80211_ftm_responder_policy,
545 [NL80211_ATTR_TIMEOUT] = NLA_POLICY_MIN(NLA_U32, 1),
546 [NL80211_ATTR_PEER_MEASUREMENTS] =
547 NLA_POLICY_NESTED(nl80211_pmsr_attr_policy),
548 [NL80211_ATTR_AIRTIME_WEIGHT] = NLA_POLICY_MIN(NLA_U16, 1),
551 /* policy for the key attributes */
552 static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = {
553 [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN },
554 [NL80211_KEY_IDX] = { .type = NLA_U8 },
555 [NL80211_KEY_CIPHER] = { .type = NLA_U32 },
556 [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
557 [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG },
558 [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG },
559 [NL80211_KEY_TYPE] = NLA_POLICY_MAX(NLA_U32, NUM_NL80211_KEYTYPES - 1),
560 [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
561 [NL80211_KEY_MODE] = NLA_POLICY_RANGE(NLA_U8, 0, NL80211_KEY_SET_TX),
564 /* policy for the key default flags */
565 static const struct nla_policy
566 nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = {
567 [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG },
568 [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG },
572 /* policy for WoWLAN attributes */
573 static const struct nla_policy
574 nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = {
575 [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG },
576 [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG },
577 [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG },
578 [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED },
579 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG },
580 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG },
581 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG },
582 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG },
583 [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED },
584 [NL80211_WOWLAN_TRIG_NET_DETECT] = { .type = NLA_NESTED },
587 static const struct nla_policy
588 nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = {
589 [NL80211_WOWLAN_TCP_SRC_IPV4] = { .type = NLA_U32 },
590 [NL80211_WOWLAN_TCP_DST_IPV4] = { .type = NLA_U32 },
591 [NL80211_WOWLAN_TCP_DST_MAC] = { .len = ETH_ALEN },
592 [NL80211_WOWLAN_TCP_SRC_PORT] = { .type = NLA_U16 },
593 [NL80211_WOWLAN_TCP_DST_PORT] = { .type = NLA_U16 },
594 [NL80211_WOWLAN_TCP_DATA_PAYLOAD] = { .len = 1 },
595 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ] = {
596 .len = sizeof(struct nl80211_wowlan_tcp_data_seq)
598 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN] = {
599 .len = sizeof(struct nl80211_wowlan_tcp_data_token)
601 [NL80211_WOWLAN_TCP_DATA_INTERVAL] = { .type = NLA_U32 },
602 [NL80211_WOWLAN_TCP_WAKE_PAYLOAD] = { .len = 1 },
603 [NL80211_WOWLAN_TCP_WAKE_MASK] = { .len = 1 },
605 #endif /* CONFIG_PM */
607 /* policy for coalesce rule attributes */
608 static const struct nla_policy
609 nl80211_coalesce_policy[NUM_NL80211_ATTR_COALESCE_RULE] = {
610 [NL80211_ATTR_COALESCE_RULE_DELAY] = { .type = NLA_U32 },
611 [NL80211_ATTR_COALESCE_RULE_CONDITION] =
612 NLA_POLICY_RANGE(NLA_U32,
613 NL80211_COALESCE_CONDITION_MATCH,
614 NL80211_COALESCE_CONDITION_NO_MATCH),
615 [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN] = { .type = NLA_NESTED },
618 /* policy for GTK rekey offload attributes */
619 static const struct nla_policy
620 nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = {
621 [NL80211_REKEY_DATA_KEK] = { .len = NL80211_KEK_LEN },
622 [NL80211_REKEY_DATA_KCK] = { .len = NL80211_KCK_LEN },
623 [NL80211_REKEY_DATA_REPLAY_CTR] = { .len = NL80211_REPLAY_CTR_LEN },
626 static const struct nla_policy
627 nl80211_match_band_rssi_policy[NUM_NL80211_BANDS] = {
628 [NL80211_BAND_2GHZ] = { .type = NLA_S32 },
629 [NL80211_BAND_5GHZ] = { .type = NLA_S32 },
630 [NL80211_BAND_60GHZ] = { .type = NLA_S32 },
633 static const struct nla_policy
634 nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = {
635 [NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY,
636 .len = IEEE80211_MAX_SSID_LEN },
637 [NL80211_SCHED_SCAN_MATCH_ATTR_BSSID] = { .len = ETH_ALEN },
638 [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 },
639 [NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI] =
640 NLA_POLICY_NESTED(nl80211_match_band_rssi_policy),
643 static const struct nla_policy
644 nl80211_plan_policy[NL80211_SCHED_SCAN_PLAN_MAX + 1] = {
645 [NL80211_SCHED_SCAN_PLAN_INTERVAL] = { .type = NLA_U32 },
646 [NL80211_SCHED_SCAN_PLAN_ITERATIONS] = { .type = NLA_U32 },
649 static const struct nla_policy
650 nl80211_bss_select_policy[NL80211_BSS_SELECT_ATTR_MAX + 1] = {
651 [NL80211_BSS_SELECT_ATTR_RSSI] = { .type = NLA_FLAG },
652 [NL80211_BSS_SELECT_ATTR_BAND_PREF] = { .type = NLA_U32 },
653 [NL80211_BSS_SELECT_ATTR_RSSI_ADJUST] = {
654 .len = sizeof(struct nl80211_bss_select_rssi_adjust)
658 /* policy for NAN function attributes */
659 static const struct nla_policy
660 nl80211_nan_func_policy[NL80211_NAN_FUNC_ATTR_MAX + 1] = {
661 [NL80211_NAN_FUNC_TYPE] = { .type = NLA_U8 },
662 [NL80211_NAN_FUNC_SERVICE_ID] = {
663 .len = NL80211_NAN_FUNC_SERVICE_ID_LEN },
664 [NL80211_NAN_FUNC_PUBLISH_TYPE] = { .type = NLA_U8 },
665 [NL80211_NAN_FUNC_PUBLISH_BCAST] = { .type = NLA_FLAG },
666 [NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE] = { .type = NLA_FLAG },
667 [NL80211_NAN_FUNC_FOLLOW_UP_ID] = { .type = NLA_U8 },
668 [NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] = { .type = NLA_U8 },
669 [NL80211_NAN_FUNC_FOLLOW_UP_DEST] = { .len = ETH_ALEN },
670 [NL80211_NAN_FUNC_CLOSE_RANGE] = { .type = NLA_FLAG },
671 [NL80211_NAN_FUNC_TTL] = { .type = NLA_U32 },
672 [NL80211_NAN_FUNC_SERVICE_INFO] = { .type = NLA_BINARY,
673 .len = NL80211_NAN_FUNC_SERVICE_SPEC_INFO_MAX_LEN },
674 [NL80211_NAN_FUNC_SRF] = { .type = NLA_NESTED },
675 [NL80211_NAN_FUNC_RX_MATCH_FILTER] = { .type = NLA_NESTED },
676 [NL80211_NAN_FUNC_TX_MATCH_FILTER] = { .type = NLA_NESTED },
677 [NL80211_NAN_FUNC_INSTANCE_ID] = { .type = NLA_U8 },
678 [NL80211_NAN_FUNC_TERM_REASON] = { .type = NLA_U8 },
681 /* policy for Service Response Filter attributes */
682 static const struct nla_policy
683 nl80211_nan_srf_policy[NL80211_NAN_SRF_ATTR_MAX + 1] = {
684 [NL80211_NAN_SRF_INCLUDE] = { .type = NLA_FLAG },
685 [NL80211_NAN_SRF_BF] = { .type = NLA_BINARY,
686 .len = NL80211_NAN_FUNC_SRF_MAX_LEN },
687 [NL80211_NAN_SRF_BF_IDX] = { .type = NLA_U8 },
688 [NL80211_NAN_SRF_MAC_ADDRS] = { .type = NLA_NESTED },
691 /* policy for packet pattern attributes */
692 static const struct nla_policy
693 nl80211_packet_pattern_policy[MAX_NL80211_PKTPAT + 1] = {
694 [NL80211_PKTPAT_MASK] = { .type = NLA_BINARY, },
695 [NL80211_PKTPAT_PATTERN] = { .type = NLA_BINARY, },
696 [NL80211_PKTPAT_OFFSET] = { .type = NLA_U32 },
699 int nl80211_prepare_wdev_dump(struct netlink_callback *cb,
700 struct cfg80211_registered_device **rdev,
701 struct wireless_dev **wdev)
706 err = nlmsg_parse_deprecated(cb->nlh,
707 GENL_HDRLEN + nl80211_fam.hdrsize,
708 genl_family_attrbuf(&nl80211_fam),
710 nl80211_policy, NULL);
714 *wdev = __cfg80211_wdev_from_attrs(
715 sock_net(cb->skb->sk),
716 genl_family_attrbuf(&nl80211_fam));
718 return PTR_ERR(*wdev);
719 *rdev = wiphy_to_rdev((*wdev)->wiphy);
720 /* 0 is the first index - add 1 to parse only once */
721 cb->args[0] = (*rdev)->wiphy_idx + 1;
722 cb->args[1] = (*wdev)->identifier;
724 /* subtract the 1 again here */
725 struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
726 struct wireless_dev *tmp;
730 *rdev = wiphy_to_rdev(wiphy);
733 list_for_each_entry(tmp, &(*rdev)->wiphy.wdev_list, list) {
734 if (tmp->identifier == cb->args[1]) {
747 /* message building helper */
748 void *nl80211hdr_put(struct sk_buff *skb, u32 portid, u32 seq,
751 /* since there is no private header just add the generic one */
752 return genlmsg_put(skb, portid, seq, &nl80211_fam, flags, cmd);
755 static int nl80211_msg_put_wmm_rules(struct sk_buff *msg,
756 const struct ieee80211_reg_rule *rule)
759 struct nlattr *nl_wmm_rules =
760 nla_nest_start_noflag(msg, NL80211_FREQUENCY_ATTR_WMM);
763 goto nla_put_failure;
765 for (j = 0; j < IEEE80211_NUM_ACS; j++) {
766 struct nlattr *nl_wmm_rule = nla_nest_start_noflag(msg, j);
769 goto nla_put_failure;
771 if (nla_put_u16(msg, NL80211_WMMR_CW_MIN,
772 rule->wmm_rule.client[j].cw_min) ||
773 nla_put_u16(msg, NL80211_WMMR_CW_MAX,
774 rule->wmm_rule.client[j].cw_max) ||
775 nla_put_u8(msg, NL80211_WMMR_AIFSN,
776 rule->wmm_rule.client[j].aifsn) ||
777 nla_put_u16(msg, NL80211_WMMR_TXOP,
778 rule->wmm_rule.client[j].cot))
779 goto nla_put_failure;
781 nla_nest_end(msg, nl_wmm_rule);
783 nla_nest_end(msg, nl_wmm_rules);
791 static int nl80211_msg_put_channel(struct sk_buff *msg, struct wiphy *wiphy,
792 struct ieee80211_channel *chan,
795 /* Some channels must be completely excluded from the
796 * list to protect old user-space tools from breaking
798 if (!large && chan->flags &
799 (IEEE80211_CHAN_NO_10MHZ | IEEE80211_CHAN_NO_20MHZ))
802 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_FREQ,
804 goto nla_put_failure;
806 if ((chan->flags & IEEE80211_CHAN_DISABLED) &&
807 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DISABLED))
808 goto nla_put_failure;
809 if (chan->flags & IEEE80211_CHAN_NO_IR) {
810 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IR))
811 goto nla_put_failure;
812 if (nla_put_flag(msg, __NL80211_FREQUENCY_ATTR_NO_IBSS))
813 goto nla_put_failure;
815 if (chan->flags & IEEE80211_CHAN_RADAR) {
816 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR))
817 goto nla_put_failure;
821 time = elapsed_jiffies_msecs(chan->dfs_state_entered);
823 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_STATE,
825 goto nla_put_failure;
826 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_TIME,
828 goto nla_put_failure;
830 NL80211_FREQUENCY_ATTR_DFS_CAC_TIME,
832 goto nla_put_failure;
837 if ((chan->flags & IEEE80211_CHAN_NO_HT40MINUS) &&
838 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS))
839 goto nla_put_failure;
840 if ((chan->flags & IEEE80211_CHAN_NO_HT40PLUS) &&
841 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS))
842 goto nla_put_failure;
843 if ((chan->flags & IEEE80211_CHAN_NO_80MHZ) &&
844 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_80MHZ))
845 goto nla_put_failure;
846 if ((chan->flags & IEEE80211_CHAN_NO_160MHZ) &&
847 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_160MHZ))
848 goto nla_put_failure;
849 if ((chan->flags & IEEE80211_CHAN_INDOOR_ONLY) &&
850 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_INDOOR_ONLY))
851 goto nla_put_failure;
852 if ((chan->flags & IEEE80211_CHAN_IR_CONCURRENT) &&
853 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_IR_CONCURRENT))
854 goto nla_put_failure;
855 if ((chan->flags & IEEE80211_CHAN_NO_20MHZ) &&
856 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_20MHZ))
857 goto nla_put_failure;
858 if ((chan->flags & IEEE80211_CHAN_NO_10MHZ) &&
859 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_10MHZ))
860 goto nla_put_failure;
863 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER,
864 DBM_TO_MBM(chan->max_power)))
865 goto nla_put_failure;
868 const struct ieee80211_reg_rule *rule =
869 freq_reg_info(wiphy, MHZ_TO_KHZ(chan->center_freq));
871 if (!IS_ERR_OR_NULL(rule) && rule->has_wmm) {
872 if (nl80211_msg_put_wmm_rules(msg, rule))
873 goto nla_put_failure;
883 static bool nl80211_put_txq_stats(struct sk_buff *msg,
884 struct cfg80211_txq_stats *txqstats,
887 struct nlattr *txqattr;
889 #define PUT_TXQVAL_U32(attr, memb) do { \
890 if (txqstats->filled & BIT(NL80211_TXQ_STATS_ ## attr) && \
891 nla_put_u32(msg, NL80211_TXQ_STATS_ ## attr, txqstats->memb)) \
895 txqattr = nla_nest_start_noflag(msg, attrtype);
899 PUT_TXQVAL_U32(BACKLOG_BYTES, backlog_bytes);
900 PUT_TXQVAL_U32(BACKLOG_PACKETS, backlog_packets);
901 PUT_TXQVAL_U32(FLOWS, flows);
902 PUT_TXQVAL_U32(DROPS, drops);
903 PUT_TXQVAL_U32(ECN_MARKS, ecn_marks);
904 PUT_TXQVAL_U32(OVERLIMIT, overlimit);
905 PUT_TXQVAL_U32(OVERMEMORY, overmemory);
906 PUT_TXQVAL_U32(COLLISIONS, collisions);
907 PUT_TXQVAL_U32(TX_BYTES, tx_bytes);
908 PUT_TXQVAL_U32(TX_PACKETS, tx_packets);
909 PUT_TXQVAL_U32(MAX_FLOWS, max_flows);
910 nla_nest_end(msg, txqattr);
912 #undef PUT_TXQVAL_U32
916 /* netlink command implementations */
923 bool def_uni, def_multi;
926 static int nl80211_parse_key_new(struct genl_info *info, struct nlattr *key,
929 struct nlattr *tb[NL80211_KEY_MAX + 1];
930 int err = nla_parse_nested_deprecated(tb, NL80211_KEY_MAX, key,
936 k->def = !!tb[NL80211_KEY_DEFAULT];
937 k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT];
946 if (tb[NL80211_KEY_IDX])
947 k->idx = nla_get_u8(tb[NL80211_KEY_IDX]);
949 if (tb[NL80211_KEY_DATA]) {
950 k->p.key = nla_data(tb[NL80211_KEY_DATA]);
951 k->p.key_len = nla_len(tb[NL80211_KEY_DATA]);
954 if (tb[NL80211_KEY_SEQ]) {
955 k->p.seq = nla_data(tb[NL80211_KEY_SEQ]);
956 k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]);
959 if (tb[NL80211_KEY_CIPHER])
960 k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]);
962 if (tb[NL80211_KEY_TYPE])
963 k->type = nla_get_u32(tb[NL80211_KEY_TYPE]);
965 if (tb[NL80211_KEY_DEFAULT_TYPES]) {
966 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
968 err = nla_parse_nested_deprecated(kdt,
969 NUM_NL80211_KEY_DEFAULT_TYPES - 1,
970 tb[NL80211_KEY_DEFAULT_TYPES],
971 nl80211_key_default_policy,
976 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
977 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
980 if (tb[NL80211_KEY_MODE])
981 k->p.mode = nla_get_u8(tb[NL80211_KEY_MODE]);
986 static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k)
988 if (info->attrs[NL80211_ATTR_KEY_DATA]) {
989 k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]);
990 k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]);
993 if (info->attrs[NL80211_ATTR_KEY_SEQ]) {
994 k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]);
995 k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]);
998 if (info->attrs[NL80211_ATTR_KEY_IDX])
999 k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
1001 if (info->attrs[NL80211_ATTR_KEY_CIPHER])
1002 k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]);
1004 k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT];
1005 k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT];
1009 k->def_multi = true;
1012 k->def_multi = true;
1014 if (info->attrs[NL80211_ATTR_KEY_TYPE])
1015 k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
1017 if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) {
1018 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
1019 int err = nla_parse_nested_deprecated(kdt,
1020 NUM_NL80211_KEY_DEFAULT_TYPES - 1,
1021 info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES],
1022 nl80211_key_default_policy,
1027 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
1028 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
1034 static int nl80211_parse_key(struct genl_info *info, struct key_parse *k)
1038 memset(k, 0, sizeof(*k));
1042 if (info->attrs[NL80211_ATTR_KEY])
1043 err = nl80211_parse_key_new(info, info->attrs[NL80211_ATTR_KEY], k);
1045 err = nl80211_parse_key_old(info, k);
1050 if (k->def && k->defmgmt) {
1051 GENL_SET_ERR_MSG(info, "key with def && defmgmt is invalid");
1056 if (k->def_uni || !k->def_multi) {
1057 GENL_SET_ERR_MSG(info, "defmgmt key must be mcast");
1064 if (k->idx < 4 || k->idx > 5) {
1065 GENL_SET_ERR_MSG(info,
1066 "defmgmt key idx not 4 or 5");
1069 } else if (k->def) {
1070 if (k->idx < 0 || k->idx > 3) {
1071 GENL_SET_ERR_MSG(info, "def key idx not 0-3");
1075 if (k->idx < 0 || k->idx > 5) {
1076 GENL_SET_ERR_MSG(info, "key idx not 0-5");
1085 static struct cfg80211_cached_keys *
1086 nl80211_parse_connkeys(struct cfg80211_registered_device *rdev,
1087 struct genl_info *info, bool *no_ht)
1089 struct nlattr *keys = info->attrs[NL80211_ATTR_KEYS];
1090 struct key_parse parse;
1092 struct cfg80211_cached_keys *result;
1093 int rem, err, def = 0;
1094 bool have_key = false;
1096 nla_for_each_nested(key, keys, rem) {
1104 result = kzalloc(sizeof(*result), GFP_KERNEL);
1106 return ERR_PTR(-ENOMEM);
1110 nla_for_each_nested(key, keys, rem) {
1111 memset(&parse, 0, sizeof(parse));
1114 err = nl80211_parse_key_new(info, key, &parse);
1120 if (parse.idx < 0 || parse.idx > 3) {
1121 GENL_SET_ERR_MSG(info, "key index out of range [0-3]");
1126 GENL_SET_ERR_MSG(info,
1127 "only one key can be default");
1131 result->def = parse.idx;
1132 if (!parse.def_uni || !parse.def_multi)
1134 } else if (parse.defmgmt)
1136 err = cfg80211_validate_key_settings(rdev, &parse.p,
1137 parse.idx, false, NULL);
1140 if (parse.p.cipher != WLAN_CIPHER_SUITE_WEP40 &&
1141 parse.p.cipher != WLAN_CIPHER_SUITE_WEP104) {
1142 GENL_SET_ERR_MSG(info, "connect key must be WEP");
1146 result->params[parse.idx].cipher = parse.p.cipher;
1147 result->params[parse.idx].key_len = parse.p.key_len;
1148 result->params[parse.idx].key = result->data[parse.idx];
1149 memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len);
1151 /* must be WEP key if we got here */
1156 if (result->def < 0) {
1158 GENL_SET_ERR_MSG(info, "need a default/TX key");
1165 return ERR_PTR(err);
1168 static int nl80211_key_allowed(struct wireless_dev *wdev)
1170 ASSERT_WDEV_LOCK(wdev);
1172 switch (wdev->iftype) {
1173 case NL80211_IFTYPE_AP:
1174 case NL80211_IFTYPE_AP_VLAN:
1175 case NL80211_IFTYPE_P2P_GO:
1176 case NL80211_IFTYPE_MESH_POINT:
1178 case NL80211_IFTYPE_ADHOC:
1179 case NL80211_IFTYPE_STATION:
1180 case NL80211_IFTYPE_P2P_CLIENT:
1181 if (!wdev->current_bss)
1184 case NL80211_IFTYPE_UNSPECIFIED:
1185 case NL80211_IFTYPE_OCB:
1186 case NL80211_IFTYPE_MONITOR:
1187 case NL80211_IFTYPE_NAN:
1188 case NL80211_IFTYPE_P2P_DEVICE:
1189 case NL80211_IFTYPE_WDS:
1190 case NUM_NL80211_IFTYPES:
1197 static struct ieee80211_channel *nl80211_get_valid_chan(struct wiphy *wiphy,
1200 struct ieee80211_channel *chan;
1204 chan = ieee80211_get_channel(wiphy, nla_get_u32(tb));
1205 if (!chan || chan->flags & IEEE80211_CHAN_DISABLED)
1210 static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes)
1212 struct nlattr *nl_modes = nla_nest_start_noflag(msg, attr);
1216 goto nla_put_failure;
1220 if ((ifmodes & 1) && nla_put_flag(msg, i))
1221 goto nla_put_failure;
1226 nla_nest_end(msg, nl_modes);
1233 static int nl80211_put_iface_combinations(struct wiphy *wiphy,
1234 struct sk_buff *msg,
1237 struct nlattr *nl_combis;
1240 nl_combis = nla_nest_start_noflag(msg,
1241 NL80211_ATTR_INTERFACE_COMBINATIONS);
1243 goto nla_put_failure;
1245 for (i = 0; i < wiphy->n_iface_combinations; i++) {
1246 const struct ieee80211_iface_combination *c;
1247 struct nlattr *nl_combi, *nl_limits;
1249 c = &wiphy->iface_combinations[i];
1251 nl_combi = nla_nest_start_noflag(msg, i + 1);
1253 goto nla_put_failure;
1255 nl_limits = nla_nest_start_noflag(msg,
1256 NL80211_IFACE_COMB_LIMITS);
1258 goto nla_put_failure;
1260 for (j = 0; j < c->n_limits; j++) {
1261 struct nlattr *nl_limit;
1263 nl_limit = nla_nest_start_noflag(msg, j + 1);
1265 goto nla_put_failure;
1266 if (nla_put_u32(msg, NL80211_IFACE_LIMIT_MAX,
1268 goto nla_put_failure;
1269 if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES,
1270 c->limits[j].types))
1271 goto nla_put_failure;
1272 nla_nest_end(msg, nl_limit);
1275 nla_nest_end(msg, nl_limits);
1277 if (c->beacon_int_infra_match &&
1278 nla_put_flag(msg, NL80211_IFACE_COMB_STA_AP_BI_MATCH))
1279 goto nla_put_failure;
1280 if (nla_put_u32(msg, NL80211_IFACE_COMB_NUM_CHANNELS,
1281 c->num_different_channels) ||
1282 nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM,
1284 goto nla_put_failure;
1286 (nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS,
1287 c->radar_detect_widths) ||
1288 nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS,
1289 c->radar_detect_regions)))
1290 goto nla_put_failure;
1291 if (c->beacon_int_min_gcd &&
1292 nla_put_u32(msg, NL80211_IFACE_COMB_BI_MIN_GCD,
1293 c->beacon_int_min_gcd))
1294 goto nla_put_failure;
1296 nla_nest_end(msg, nl_combi);
1299 nla_nest_end(msg, nl_combis);
1307 static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev,
1308 struct sk_buff *msg)
1310 const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan->tcp;
1311 struct nlattr *nl_tcp;
1316 nl_tcp = nla_nest_start_noflag(msg,
1317 NL80211_WOWLAN_TRIG_TCP_CONNECTION);
1321 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
1322 tcp->data_payload_max))
1325 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
1326 tcp->data_payload_max))
1329 if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ))
1332 if (tcp->tok && nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
1333 sizeof(*tcp->tok), tcp->tok))
1336 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
1337 tcp->data_interval_max))
1340 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
1341 tcp->wake_payload_max))
1344 nla_nest_end(msg, nl_tcp);
1348 static int nl80211_send_wowlan(struct sk_buff *msg,
1349 struct cfg80211_registered_device *rdev,
1352 struct nlattr *nl_wowlan;
1354 if (!rdev->wiphy.wowlan)
1357 nl_wowlan = nla_nest_start_noflag(msg,
1358 NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED);
1362 if (((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_ANY) &&
1363 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
1364 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_DISCONNECT) &&
1365 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
1366 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT) &&
1367 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
1368 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) &&
1369 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED)) ||
1370 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) &&
1371 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
1372 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) &&
1373 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
1374 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) &&
1375 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
1376 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE) &&
1377 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
1380 if (rdev->wiphy.wowlan->n_patterns) {
1381 struct nl80211_pattern_support pat = {
1382 .max_patterns = rdev->wiphy.wowlan->n_patterns,
1383 .min_pattern_len = rdev->wiphy.wowlan->pattern_min_len,
1384 .max_pattern_len = rdev->wiphy.wowlan->pattern_max_len,
1385 .max_pkt_offset = rdev->wiphy.wowlan->max_pkt_offset,
1388 if (nla_put(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
1393 if ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_NET_DETECT) &&
1394 nla_put_u32(msg, NL80211_WOWLAN_TRIG_NET_DETECT,
1395 rdev->wiphy.wowlan->max_nd_match_sets))
1398 if (large && nl80211_send_wowlan_tcp_caps(rdev, msg))
1401 nla_nest_end(msg, nl_wowlan);
1407 static int nl80211_send_coalesce(struct sk_buff *msg,
1408 struct cfg80211_registered_device *rdev)
1410 struct nl80211_coalesce_rule_support rule;
1412 if (!rdev->wiphy.coalesce)
1415 rule.max_rules = rdev->wiphy.coalesce->n_rules;
1416 rule.max_delay = rdev->wiphy.coalesce->max_delay;
1417 rule.pat.max_patterns = rdev->wiphy.coalesce->n_patterns;
1418 rule.pat.min_pattern_len = rdev->wiphy.coalesce->pattern_min_len;
1419 rule.pat.max_pattern_len = rdev->wiphy.coalesce->pattern_max_len;
1420 rule.pat.max_pkt_offset = rdev->wiphy.coalesce->max_pkt_offset;
1422 if (nla_put(msg, NL80211_ATTR_COALESCE_RULE, sizeof(rule), &rule))
1429 nl80211_send_iftype_data(struct sk_buff *msg,
1430 const struct ieee80211_sband_iftype_data *iftdata)
1432 const struct ieee80211_sta_he_cap *he_cap = &iftdata->he_cap;
1434 if (nl80211_put_iftypes(msg, NL80211_BAND_IFTYPE_ATTR_IFTYPES,
1435 iftdata->types_mask))
1438 if (he_cap->has_he) {
1439 if (nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC,
1440 sizeof(he_cap->he_cap_elem.mac_cap_info),
1441 he_cap->he_cap_elem.mac_cap_info) ||
1442 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY,
1443 sizeof(he_cap->he_cap_elem.phy_cap_info),
1444 he_cap->he_cap_elem.phy_cap_info) ||
1445 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET,
1446 sizeof(he_cap->he_mcs_nss_supp),
1447 &he_cap->he_mcs_nss_supp) ||
1448 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE,
1449 sizeof(he_cap->ppe_thres), he_cap->ppe_thres))
1456 static int nl80211_send_band_rateinfo(struct sk_buff *msg,
1457 struct ieee80211_supported_band *sband)
1459 struct nlattr *nl_rates, *nl_rate;
1460 struct ieee80211_rate *rate;
1464 if (sband->ht_cap.ht_supported &&
1465 (nla_put(msg, NL80211_BAND_ATTR_HT_MCS_SET,
1466 sizeof(sband->ht_cap.mcs),
1467 &sband->ht_cap.mcs) ||
1468 nla_put_u16(msg, NL80211_BAND_ATTR_HT_CAPA,
1469 sband->ht_cap.cap) ||
1470 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR,
1471 sband->ht_cap.ampdu_factor) ||
1472 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY,
1473 sband->ht_cap.ampdu_density)))
1477 if (sband->vht_cap.vht_supported &&
1478 (nla_put(msg, NL80211_BAND_ATTR_VHT_MCS_SET,
1479 sizeof(sband->vht_cap.vht_mcs),
1480 &sband->vht_cap.vht_mcs) ||
1481 nla_put_u32(msg, NL80211_BAND_ATTR_VHT_CAPA,
1482 sband->vht_cap.cap)))
1485 if (sband->n_iftype_data) {
1486 struct nlattr *nl_iftype_data =
1487 nla_nest_start_noflag(msg,
1488 NL80211_BAND_ATTR_IFTYPE_DATA);
1491 if (!nl_iftype_data)
1494 for (i = 0; i < sband->n_iftype_data; i++) {
1495 struct nlattr *iftdata;
1497 iftdata = nla_nest_start_noflag(msg, i + 1);
1501 err = nl80211_send_iftype_data(msg,
1502 &sband->iftype_data[i]);
1506 nla_nest_end(msg, iftdata);
1509 nla_nest_end(msg, nl_iftype_data);
1513 nl_rates = nla_nest_start_noflag(msg, NL80211_BAND_ATTR_RATES);
1517 for (i = 0; i < sband->n_bitrates; i++) {
1518 nl_rate = nla_nest_start_noflag(msg, i);
1522 rate = &sband->bitrates[i];
1523 if (nla_put_u32(msg, NL80211_BITRATE_ATTR_RATE,
1526 if ((rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) &&
1528 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE))
1531 nla_nest_end(msg, nl_rate);
1534 nla_nest_end(msg, nl_rates);
1540 nl80211_send_mgmt_stypes(struct sk_buff *msg,
1541 const struct ieee80211_txrx_stypes *mgmt_stypes)
1544 struct nlattr *nl_ftypes, *nl_ifs;
1545 enum nl80211_iftype ift;
1551 nl_ifs = nla_nest_start_noflag(msg, NL80211_ATTR_TX_FRAME_TYPES);
1555 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
1556 nl_ftypes = nla_nest_start_noflag(msg, ift);
1560 stypes = mgmt_stypes[ift].tx;
1563 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
1564 (i << 4) | IEEE80211_FTYPE_MGMT))
1569 nla_nest_end(msg, nl_ftypes);
1572 nla_nest_end(msg, nl_ifs);
1574 nl_ifs = nla_nest_start_noflag(msg, NL80211_ATTR_RX_FRAME_TYPES);
1578 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
1579 nl_ftypes = nla_nest_start_noflag(msg, ift);
1583 stypes = mgmt_stypes[ift].rx;
1586 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
1587 (i << 4) | IEEE80211_FTYPE_MGMT))
1592 nla_nest_end(msg, nl_ftypes);
1594 nla_nest_end(msg, nl_ifs);
1599 #define CMD(op, n) \
1601 if (rdev->ops->op) { \
1603 if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \
1604 goto nla_put_failure; \
1608 static int nl80211_add_commands_unsplit(struct cfg80211_registered_device *rdev,
1609 struct sk_buff *msg)
1614 * do *NOT* add anything into this function, new things need to be
1615 * advertised only to new versions of userspace that can deal with
1616 * the split (and they can't possibly care about new features...
1618 CMD(add_virtual_intf, NEW_INTERFACE);
1619 CMD(change_virtual_intf, SET_INTERFACE);
1620 CMD(add_key, NEW_KEY);
1621 CMD(start_ap, START_AP);
1622 CMD(add_station, NEW_STATION);
1623 CMD(add_mpath, NEW_MPATH);
1624 CMD(update_mesh_config, SET_MESH_CONFIG);
1625 CMD(change_bss, SET_BSS);
1626 CMD(auth, AUTHENTICATE);
1627 CMD(assoc, ASSOCIATE);
1628 CMD(deauth, DEAUTHENTICATE);
1629 CMD(disassoc, DISASSOCIATE);
1630 CMD(join_ibss, JOIN_IBSS);
1631 CMD(join_mesh, JOIN_MESH);
1632 CMD(set_pmksa, SET_PMKSA);
1633 CMD(del_pmksa, DEL_PMKSA);
1634 CMD(flush_pmksa, FLUSH_PMKSA);
1635 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)
1636 CMD(remain_on_channel, REMAIN_ON_CHANNEL);
1637 CMD(set_bitrate_mask, SET_TX_BITRATE_MASK);
1638 CMD(mgmt_tx, FRAME);
1639 CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL);
1640 if (rdev->wiphy.flags & WIPHY_FLAG_NETNS_OK) {
1642 if (nla_put_u32(msg, i, NL80211_CMD_SET_WIPHY_NETNS))
1643 goto nla_put_failure;
1645 if (rdev->ops->set_monitor_channel || rdev->ops->start_ap ||
1646 rdev->ops->join_mesh) {
1648 if (nla_put_u32(msg, i, NL80211_CMD_SET_CHANNEL))
1649 goto nla_put_failure;
1651 CMD(set_wds_peer, SET_WDS_PEER);
1652 if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) {
1653 CMD(tdls_mgmt, TDLS_MGMT);
1654 CMD(tdls_oper, TDLS_OPER);
1656 if (rdev->wiphy.max_sched_scan_reqs)
1657 CMD(sched_scan_start, START_SCHED_SCAN);
1658 CMD(probe_client, PROBE_CLIENT);
1659 CMD(set_noack_map, SET_NOACK_MAP);
1660 if (rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) {
1662 if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS))
1663 goto nla_put_failure;
1665 CMD(start_p2p_device, START_P2P_DEVICE);
1666 CMD(set_mcast_rate, SET_MCAST_RATE);
1667 #ifdef CONFIG_NL80211_TESTMODE
1668 CMD(testmode_cmd, TESTMODE);
1671 if (rdev->ops->connect || rdev->ops->auth) {
1673 if (nla_put_u32(msg, i, NL80211_CMD_CONNECT))
1674 goto nla_put_failure;
1677 if (rdev->ops->disconnect || rdev->ops->deauth) {
1679 if (nla_put_u32(msg, i, NL80211_CMD_DISCONNECT))
1680 goto nla_put_failure;
1689 nl80211_send_pmsr_ftm_capa(const struct cfg80211_pmsr_capabilities *cap,
1690 struct sk_buff *msg)
1694 if (!cap->ftm.supported)
1697 ftm = nla_nest_start_noflag(msg, NL80211_PMSR_TYPE_FTM);
1701 if (cap->ftm.asap && nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_ASAP))
1703 if (cap->ftm.non_asap &&
1704 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_NON_ASAP))
1706 if (cap->ftm.request_lci &&
1707 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_REQ_LCI))
1709 if (cap->ftm.request_civicloc &&
1710 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_REQ_CIVICLOC))
1712 if (nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_PREAMBLES,
1713 cap->ftm.preambles))
1715 if (nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_BANDWIDTHS,
1716 cap->ftm.bandwidths))
1718 if (cap->ftm.max_bursts_exponent >= 0 &&
1719 nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_MAX_BURSTS_EXPONENT,
1720 cap->ftm.max_bursts_exponent))
1722 if (cap->ftm.max_ftms_per_burst &&
1723 nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_MAX_FTMS_PER_BURST,
1724 cap->ftm.max_ftms_per_burst))
1727 nla_nest_end(msg, ftm);
1731 static int nl80211_send_pmsr_capa(struct cfg80211_registered_device *rdev,
1732 struct sk_buff *msg)
1734 const struct cfg80211_pmsr_capabilities *cap = rdev->wiphy.pmsr_capa;
1735 struct nlattr *pmsr, *caps;
1741 * we don't need to clean up anything here since the caller
1742 * will genlmsg_cancel() if we fail
1745 pmsr = nla_nest_start_noflag(msg, NL80211_ATTR_PEER_MEASUREMENTS);
1749 if (nla_put_u32(msg, NL80211_PMSR_ATTR_MAX_PEERS, cap->max_peers))
1752 if (cap->report_ap_tsf &&
1753 nla_put_flag(msg, NL80211_PMSR_ATTR_REPORT_AP_TSF))
1756 if (cap->randomize_mac_addr &&
1757 nla_put_flag(msg, NL80211_PMSR_ATTR_RANDOMIZE_MAC_ADDR))
1760 caps = nla_nest_start_noflag(msg, NL80211_PMSR_ATTR_TYPE_CAPA);
1764 if (nl80211_send_pmsr_ftm_capa(cap, msg))
1767 nla_nest_end(msg, caps);
1768 nla_nest_end(msg, pmsr);
1773 struct nl80211_dump_wiphy_state {
1776 long split_start, band_start, chan_start, capa_start;
1780 static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev,
1781 enum nl80211_commands cmd,
1782 struct sk_buff *msg, u32 portid, u32 seq,
1783 int flags, struct nl80211_dump_wiphy_state *state)
1786 struct nlattr *nl_bands, *nl_band;
1787 struct nlattr *nl_freqs, *nl_freq;
1788 struct nlattr *nl_cmds;
1789 enum nl80211_band band;
1790 struct ieee80211_channel *chan;
1792 const struct ieee80211_txrx_stypes *mgmt_stypes =
1793 rdev->wiphy.mgmt_stypes;
1796 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
1800 if (WARN_ON(!state))
1803 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
1804 nla_put_string(msg, NL80211_ATTR_WIPHY_NAME,
1805 wiphy_name(&rdev->wiphy)) ||
1806 nla_put_u32(msg, NL80211_ATTR_GENERATION,
1807 cfg80211_rdev_list_generation))
1808 goto nla_put_failure;
1810 if (cmd != NL80211_CMD_NEW_WIPHY)
1813 switch (state->split_start) {
1815 if (nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT,
1816 rdev->wiphy.retry_short) ||
1817 nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_LONG,
1818 rdev->wiphy.retry_long) ||
1819 nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD,
1820 rdev->wiphy.frag_threshold) ||
1821 nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD,
1822 rdev->wiphy.rts_threshold) ||
1823 nla_put_u8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS,
1824 rdev->wiphy.coverage_class) ||
1825 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS,
1826 rdev->wiphy.max_scan_ssids) ||
1827 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS,
1828 rdev->wiphy.max_sched_scan_ssids) ||
1829 nla_put_u16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN,
1830 rdev->wiphy.max_scan_ie_len) ||
1831 nla_put_u16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN,
1832 rdev->wiphy.max_sched_scan_ie_len) ||
1833 nla_put_u8(msg, NL80211_ATTR_MAX_MATCH_SETS,
1834 rdev->wiphy.max_match_sets) ||
1835 nla_put_u32(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS,
1836 rdev->wiphy.max_sched_scan_plans) ||
1837 nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL,
1838 rdev->wiphy.max_sched_scan_plan_interval) ||
1839 nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS,
1840 rdev->wiphy.max_sched_scan_plan_iterations))
1841 goto nla_put_failure;
1843 if ((rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) &&
1844 nla_put_flag(msg, NL80211_ATTR_SUPPORT_IBSS_RSN))
1845 goto nla_put_failure;
1846 if ((rdev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) &&
1847 nla_put_flag(msg, NL80211_ATTR_SUPPORT_MESH_AUTH))
1848 goto nla_put_failure;
1849 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) &&
1850 nla_put_flag(msg, NL80211_ATTR_SUPPORT_AP_UAPSD))
1851 goto nla_put_failure;
1852 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) &&
1853 nla_put_flag(msg, NL80211_ATTR_ROAM_SUPPORT))
1854 goto nla_put_failure;
1855 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) &&
1856 nla_put_flag(msg, NL80211_ATTR_TDLS_SUPPORT))
1857 goto nla_put_failure;
1858 if ((rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) &&
1859 nla_put_flag(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP))
1860 goto nla_put_failure;
1861 state->split_start++;
1866 if (nla_put(msg, NL80211_ATTR_CIPHER_SUITES,
1867 sizeof(u32) * rdev->wiphy.n_cipher_suites,
1868 rdev->wiphy.cipher_suites))
1869 goto nla_put_failure;
1871 if (nla_put_u8(msg, NL80211_ATTR_MAX_NUM_PMKIDS,
1872 rdev->wiphy.max_num_pmkids))
1873 goto nla_put_failure;
1875 if ((rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
1876 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE))
1877 goto nla_put_failure;
1879 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX,
1880 rdev->wiphy.available_antennas_tx) ||
1881 nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX,
1882 rdev->wiphy.available_antennas_rx))
1883 goto nla_put_failure;
1885 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) &&
1886 nla_put_u32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD,
1887 rdev->wiphy.probe_resp_offload))
1888 goto nla_put_failure;
1890 if ((rdev->wiphy.available_antennas_tx ||
1891 rdev->wiphy.available_antennas_rx) &&
1892 rdev->ops->get_antenna) {
1893 u32 tx_ant = 0, rx_ant = 0;
1896 res = rdev_get_antenna(rdev, &tx_ant, &rx_ant);
1898 if (nla_put_u32(msg,
1899 NL80211_ATTR_WIPHY_ANTENNA_TX,
1902 NL80211_ATTR_WIPHY_ANTENNA_RX,
1904 goto nla_put_failure;
1908 state->split_start++;
1913 if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES,
1914 rdev->wiphy.interface_modes))
1915 goto nla_put_failure;
1916 state->split_start++;
1921 nl_bands = nla_nest_start_noflag(msg,
1922 NL80211_ATTR_WIPHY_BANDS);
1924 goto nla_put_failure;
1926 for (band = state->band_start;
1927 band < NUM_NL80211_BANDS; band++) {
1928 struct ieee80211_supported_band *sband;
1930 sband = rdev->wiphy.bands[band];
1935 nl_band = nla_nest_start_noflag(msg, band);
1937 goto nla_put_failure;
1939 switch (state->chan_start) {
1941 if (nl80211_send_band_rateinfo(msg, sband))
1942 goto nla_put_failure;
1943 state->chan_start++;
1948 /* add frequencies */
1949 nl_freqs = nla_nest_start_noflag(msg,
1950 NL80211_BAND_ATTR_FREQS);
1952 goto nla_put_failure;
1954 for (i = state->chan_start - 1;
1955 i < sband->n_channels;
1957 nl_freq = nla_nest_start_noflag(msg,
1960 goto nla_put_failure;
1962 chan = &sband->channels[i];
1964 if (nl80211_msg_put_channel(
1965 msg, &rdev->wiphy, chan,
1967 goto nla_put_failure;
1969 nla_nest_end(msg, nl_freq);
1973 if (i < sband->n_channels)
1974 state->chan_start = i + 2;
1976 state->chan_start = 0;
1977 nla_nest_end(msg, nl_freqs);
1980 nla_nest_end(msg, nl_band);
1983 /* start again here */
1984 if (state->chan_start)
1989 nla_nest_end(msg, nl_bands);
1991 if (band < NUM_NL80211_BANDS)
1992 state->band_start = band + 1;
1994 state->band_start = 0;
1996 /* if bands & channels are done, continue outside */
1997 if (state->band_start == 0 && state->chan_start == 0)
1998 state->split_start++;
2003 nl_cmds = nla_nest_start_noflag(msg,
2004 NL80211_ATTR_SUPPORTED_COMMANDS);
2006 goto nla_put_failure;
2008 i = nl80211_add_commands_unsplit(rdev, msg);
2010 goto nla_put_failure;
2012 CMD(crit_proto_start, CRIT_PROTOCOL_START);
2013 CMD(crit_proto_stop, CRIT_PROTOCOL_STOP);
2014 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH)
2015 CMD(channel_switch, CHANNEL_SWITCH);
2016 CMD(set_qos_map, SET_QOS_MAP);
2017 if (rdev->wiphy.features &
2018 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION)
2019 CMD(add_tx_ts, ADD_TX_TS);
2020 CMD(set_multicast_to_unicast, SET_MULTICAST_TO_UNICAST);
2021 CMD(update_connect_params, UPDATE_CONNECT_PARAMS);
2025 nla_nest_end(msg, nl_cmds);
2026 state->split_start++;
2031 if (rdev->ops->remain_on_channel &&
2032 (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) &&
2034 NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION,
2035 rdev->wiphy.max_remain_on_channel_duration))
2036 goto nla_put_failure;
2038 if ((rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) &&
2039 nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK))
2040 goto nla_put_failure;
2042 if (nl80211_send_mgmt_stypes(msg, mgmt_stypes))
2043 goto nla_put_failure;
2044 state->split_start++;
2050 if (nl80211_send_wowlan(msg, rdev, state->split))
2051 goto nla_put_failure;
2052 state->split_start++;
2056 state->split_start++;
2060 if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES,
2061 rdev->wiphy.software_iftypes))
2062 goto nla_put_failure;
2064 if (nl80211_put_iface_combinations(&rdev->wiphy, msg,
2066 goto nla_put_failure;
2068 state->split_start++;
2073 if ((rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) &&
2074 nla_put_u32(msg, NL80211_ATTR_DEVICE_AP_SME,
2075 rdev->wiphy.ap_sme_capa))
2076 goto nla_put_failure;
2078 features = rdev->wiphy.features;
2080 * We can only add the per-channel limit information if the
2081 * dump is split, otherwise it makes it too big. Therefore
2082 * only advertise it in that case.
2085 features |= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS;
2086 if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS, features))
2087 goto nla_put_failure;
2089 if (rdev->wiphy.ht_capa_mod_mask &&
2090 nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK,
2091 sizeof(*rdev->wiphy.ht_capa_mod_mask),
2092 rdev->wiphy.ht_capa_mod_mask))
2093 goto nla_put_failure;
2095 if (rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME &&
2096 rdev->wiphy.max_acl_mac_addrs &&
2097 nla_put_u32(msg, NL80211_ATTR_MAC_ACL_MAX,
2098 rdev->wiphy.max_acl_mac_addrs))
2099 goto nla_put_failure;
2102 * Any information below this point is only available to
2103 * applications that can deal with it being split. This
2104 * helps ensure that newly added capabilities don't break
2105 * older tools by overrunning their buffers.
2107 * We still increment split_start so that in the split
2108 * case we'll continue with more data in the next round,
2109 * but break unconditionally so unsplit data stops here.
2111 state->split_start++;
2114 if (rdev->wiphy.extended_capabilities &&
2115 (nla_put(msg, NL80211_ATTR_EXT_CAPA,
2116 rdev->wiphy.extended_capabilities_len,
2117 rdev->wiphy.extended_capabilities) ||
2118 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
2119 rdev->wiphy.extended_capabilities_len,
2120 rdev->wiphy.extended_capabilities_mask)))
2121 goto nla_put_failure;
2123 if (rdev->wiphy.vht_capa_mod_mask &&
2124 nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK,
2125 sizeof(*rdev->wiphy.vht_capa_mod_mask),
2126 rdev->wiphy.vht_capa_mod_mask))
2127 goto nla_put_failure;
2129 state->split_start++;
2132 if (nl80211_send_coalesce(msg, rdev))
2133 goto nla_put_failure;
2135 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ) &&
2136 (nla_put_flag(msg, NL80211_ATTR_SUPPORT_5_MHZ) ||
2137 nla_put_flag(msg, NL80211_ATTR_SUPPORT_10_MHZ)))
2138 goto nla_put_failure;
2140 if (rdev->wiphy.max_ap_assoc_sta &&
2141 nla_put_u32(msg, NL80211_ATTR_MAX_AP_ASSOC_STA,
2142 rdev->wiphy.max_ap_assoc_sta))
2143 goto nla_put_failure;
2145 state->split_start++;
2148 if (rdev->wiphy.n_vendor_commands) {
2149 const struct nl80211_vendor_cmd_info *info;
2150 struct nlattr *nested;
2152 nested = nla_nest_start_noflag(msg,
2153 NL80211_ATTR_VENDOR_DATA);
2155 goto nla_put_failure;
2157 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
2158 info = &rdev->wiphy.vendor_commands[i].info;
2159 if (nla_put(msg, i + 1, sizeof(*info), info))
2160 goto nla_put_failure;
2162 nla_nest_end(msg, nested);
2165 if (rdev->wiphy.n_vendor_events) {
2166 const struct nl80211_vendor_cmd_info *info;
2167 struct nlattr *nested;
2169 nested = nla_nest_start_noflag(msg,
2170 NL80211_ATTR_VENDOR_EVENTS);
2172 goto nla_put_failure;
2174 for (i = 0; i < rdev->wiphy.n_vendor_events; i++) {
2175 info = &rdev->wiphy.vendor_events[i];
2176 if (nla_put(msg, i + 1, sizeof(*info), info))
2177 goto nla_put_failure;
2179 nla_nest_end(msg, nested);
2181 state->split_start++;
2184 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH &&
2185 nla_put_u8(msg, NL80211_ATTR_MAX_CSA_COUNTERS,
2186 rdev->wiphy.max_num_csa_counters))
2187 goto nla_put_failure;
2189 if (rdev->wiphy.regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
2190 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
2191 goto nla_put_failure;
2193 if (rdev->wiphy.max_sched_scan_reqs &&
2194 nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_MAX_REQS,
2195 rdev->wiphy.max_sched_scan_reqs))
2196 goto nla_put_failure;
2198 if (nla_put(msg, NL80211_ATTR_EXT_FEATURES,
2199 sizeof(rdev->wiphy.ext_features),
2200 rdev->wiphy.ext_features))
2201 goto nla_put_failure;
2203 if (rdev->wiphy.bss_select_support) {
2204 struct nlattr *nested;
2205 u32 bss_select_support = rdev->wiphy.bss_select_support;
2207 nested = nla_nest_start_noflag(msg,
2208 NL80211_ATTR_BSS_SELECT);
2210 goto nla_put_failure;
2213 while (bss_select_support) {
2214 if ((bss_select_support & 1) &&
2215 nla_put_flag(msg, i))
2216 goto nla_put_failure;
2218 bss_select_support >>= 1;
2220 nla_nest_end(msg, nested);
2223 state->split_start++;
2226 if (rdev->wiphy.num_iftype_ext_capab &&
2227 rdev->wiphy.iftype_ext_capab) {
2228 struct nlattr *nested_ext_capab, *nested;
2230 nested = nla_nest_start_noflag(msg,
2231 NL80211_ATTR_IFTYPE_EXT_CAPA);
2233 goto nla_put_failure;
2235 for (i = state->capa_start;
2236 i < rdev->wiphy.num_iftype_ext_capab; i++) {
2237 const struct wiphy_iftype_ext_capab *capab;
2239 capab = &rdev->wiphy.iftype_ext_capab[i];
2241 nested_ext_capab = nla_nest_start_noflag(msg,
2243 if (!nested_ext_capab ||
2244 nla_put_u32(msg, NL80211_ATTR_IFTYPE,
2246 nla_put(msg, NL80211_ATTR_EXT_CAPA,
2247 capab->extended_capabilities_len,
2248 capab->extended_capabilities) ||
2249 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
2250 capab->extended_capabilities_len,
2251 capab->extended_capabilities_mask))
2252 goto nla_put_failure;
2254 nla_nest_end(msg, nested_ext_capab);
2258 nla_nest_end(msg, nested);
2259 if (i < rdev->wiphy.num_iftype_ext_capab) {
2260 state->capa_start = i + 1;
2265 if (nla_put_u32(msg, NL80211_ATTR_BANDS,
2266 rdev->wiphy.nan_supported_bands))
2267 goto nla_put_failure;
2269 if (wiphy_ext_feature_isset(&rdev->wiphy,
2270 NL80211_EXT_FEATURE_TXQS)) {
2271 struct cfg80211_txq_stats txqstats = {};
2274 res = rdev_get_txq_stats(rdev, NULL, &txqstats);
2276 !nl80211_put_txq_stats(msg, &txqstats,
2277 NL80211_ATTR_TXQ_STATS))
2278 goto nla_put_failure;
2280 if (nla_put_u32(msg, NL80211_ATTR_TXQ_LIMIT,
2281 rdev->wiphy.txq_limit))
2282 goto nla_put_failure;
2283 if (nla_put_u32(msg, NL80211_ATTR_TXQ_MEMORY_LIMIT,
2284 rdev->wiphy.txq_memory_limit))
2285 goto nla_put_failure;
2286 if (nla_put_u32(msg, NL80211_ATTR_TXQ_QUANTUM,
2287 rdev->wiphy.txq_quantum))
2288 goto nla_put_failure;
2291 state->split_start++;
2294 if (nl80211_send_pmsr_capa(rdev, msg))
2295 goto nla_put_failure;
2297 state->split_start++;
2300 if (rdev->wiphy.akm_suites &&
2301 nla_put(msg, NL80211_ATTR_AKM_SUITES,
2302 sizeof(u32) * rdev->wiphy.n_akm_suites,
2303 rdev->wiphy.akm_suites))
2304 goto nla_put_failure;
2307 state->split_start = 0;
2311 genlmsg_end(msg, hdr);
2315 genlmsg_cancel(msg, hdr);
2319 static int nl80211_dump_wiphy_parse(struct sk_buff *skb,
2320 struct netlink_callback *cb,
2321 struct nl80211_dump_wiphy_state *state)
2323 struct nlattr **tb = genl_family_attrbuf(&nl80211_fam);
2324 int ret = nlmsg_parse_deprecated(cb->nlh,
2325 GENL_HDRLEN + nl80211_fam.hdrsize,
2326 tb, nl80211_fam.maxattr,
2327 nl80211_policy, NULL);
2328 /* ignore parse errors for backward compatibility */
2332 state->split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP];
2333 if (tb[NL80211_ATTR_WIPHY])
2334 state->filter_wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
2335 if (tb[NL80211_ATTR_WDEV])
2336 state->filter_wiphy = nla_get_u64(tb[NL80211_ATTR_WDEV]) >> 32;
2337 if (tb[NL80211_ATTR_IFINDEX]) {
2338 struct net_device *netdev;
2339 struct cfg80211_registered_device *rdev;
2340 int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
2342 netdev = __dev_get_by_index(sock_net(skb->sk), ifidx);
2345 if (netdev->ieee80211_ptr) {
2346 rdev = wiphy_to_rdev(
2347 netdev->ieee80211_ptr->wiphy);
2348 state->filter_wiphy = rdev->wiphy_idx;
2355 static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
2358 struct nl80211_dump_wiphy_state *state = (void *)cb->args[0];
2359 struct cfg80211_registered_device *rdev;
2363 state = kzalloc(sizeof(*state), GFP_KERNEL);
2368 state->filter_wiphy = -1;
2369 ret = nl80211_dump_wiphy_parse(skb, cb, state);
2375 cb->args[0] = (long)state;
2378 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
2379 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
2381 if (++idx <= state->start)
2383 if (state->filter_wiphy != -1 &&
2384 state->filter_wiphy != rdev->wiphy_idx)
2386 /* attempt to fit multiple wiphy data chunks into the skb */
2388 ret = nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY,
2390 NETLINK_CB(cb->skb).portid,
2392 NLM_F_MULTI, state);
2395 * If sending the wiphy data didn't fit (ENOBUFS
2396 * or EMSGSIZE returned), this SKB is still
2397 * empty (so it's not too big because another
2398 * wiphy dataset is already in the skb) and
2399 * we've not tried to adjust the dump allocation
2400 * yet ... then adjust the alloc size to be
2401 * bigger, and return 1 but with the empty skb.
2402 * This results in an empty message being RX'ed
2403 * in userspace, but that is ignored.
2405 * We can then retry with the larger buffer.
2407 if ((ret == -ENOBUFS || ret == -EMSGSIZE) &&
2408 !skb->len && !state->split &&
2409 cb->min_dump_alloc < 4096) {
2410 cb->min_dump_alloc = 4096;
2411 state->split_start = 0;
2418 } while (state->split_start > 0);
2428 static int nl80211_dump_wiphy_done(struct netlink_callback *cb)
2430 kfree((void *)cb->args[0]);
2434 static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info)
2436 struct sk_buff *msg;
2437 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2438 struct nl80211_dump_wiphy_state state = {};
2440 msg = nlmsg_new(4096, GFP_KERNEL);
2444 if (nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY, msg,
2445 info->snd_portid, info->snd_seq, 0,
2451 return genlmsg_reply(msg, info);
2454 static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = {
2455 [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 },
2456 [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 },
2457 [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 },
2458 [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 },
2459 [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 },
2462 static int parse_txq_params(struct nlattr *tb[],
2463 struct ieee80211_txq_params *txq_params)
2467 if (!tb[NL80211_TXQ_ATTR_AC] || !tb[NL80211_TXQ_ATTR_TXOP] ||
2468 !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] ||
2469 !tb[NL80211_TXQ_ATTR_AIFS])
2472 ac = nla_get_u8(tb[NL80211_TXQ_ATTR_AC]);
2473 txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]);
2474 txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]);
2475 txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]);
2476 txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]);
2478 if (ac >= NL80211_NUM_ACS)
2480 txq_params->ac = array_index_nospec(ac, NL80211_NUM_ACS);
2484 static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev)
2487 * You can only set the channel explicitly for WDS interfaces,
2488 * all others have their channel managed via their respective
2489 * "establish a connection" command (connect, join, ...)
2491 * For AP/GO and mesh mode, the channel can be set with the
2492 * channel userspace API, but is only stored and passed to the
2493 * low-level driver when the AP starts or the mesh is joined.
2494 * This is for backward compatibility, userspace can also give
2495 * the channel in the start-ap or join-mesh commands instead.
2497 * Monitors are special as they are normally slaved to
2498 * whatever else is going on, so they have their own special
2499 * operation to set the monitor channel if possible.
2502 wdev->iftype == NL80211_IFTYPE_AP ||
2503 wdev->iftype == NL80211_IFTYPE_MESH_POINT ||
2504 wdev->iftype == NL80211_IFTYPE_MONITOR ||
2505 wdev->iftype == NL80211_IFTYPE_P2P_GO;
2508 int nl80211_parse_chandef(struct cfg80211_registered_device *rdev,
2509 struct genl_info *info,
2510 struct cfg80211_chan_def *chandef)
2512 struct netlink_ext_ack *extack = info->extack;
2513 struct nlattr **attrs = info->attrs;
2516 if (!attrs[NL80211_ATTR_WIPHY_FREQ])
2519 control_freq = nla_get_u32(attrs[NL80211_ATTR_WIPHY_FREQ]);
2521 chandef->chan = ieee80211_get_channel(&rdev->wiphy, control_freq);
2522 chandef->width = NL80211_CHAN_WIDTH_20_NOHT;
2523 chandef->center_freq1 = control_freq;
2524 chandef->center_freq2 = 0;
2526 /* Primary channel not allowed */
2527 if (!chandef->chan || chandef->chan->flags & IEEE80211_CHAN_DISABLED) {
2528 NL_SET_ERR_MSG_ATTR(extack, attrs[NL80211_ATTR_WIPHY_FREQ],
2529 "Channel is disabled");
2533 if (attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
2534 enum nl80211_channel_type chantype;
2536 chantype = nla_get_u32(attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
2539 case NL80211_CHAN_NO_HT:
2540 case NL80211_CHAN_HT20:
2541 case NL80211_CHAN_HT40PLUS:
2542 case NL80211_CHAN_HT40MINUS:
2543 cfg80211_chandef_create(chandef, chandef->chan,
2545 /* user input for center_freq is incorrect */
2546 if (attrs[NL80211_ATTR_CENTER_FREQ1] &&
2547 chandef->center_freq1 != nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ1])) {
2548 NL_SET_ERR_MSG_ATTR(extack,
2549 attrs[NL80211_ATTR_CENTER_FREQ1],
2550 "bad center frequency 1");
2553 /* center_freq2 must be zero */
2554 if (attrs[NL80211_ATTR_CENTER_FREQ2] &&
2555 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ2])) {
2556 NL_SET_ERR_MSG_ATTR(extack,
2557 attrs[NL80211_ATTR_CENTER_FREQ2],
2558 "center frequency 2 can't be used");
2563 NL_SET_ERR_MSG_ATTR(extack,
2564 attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE],
2565 "invalid channel type");
2568 } else if (attrs[NL80211_ATTR_CHANNEL_WIDTH]) {
2570 nla_get_u32(attrs[NL80211_ATTR_CHANNEL_WIDTH]);
2571 if (attrs[NL80211_ATTR_CENTER_FREQ1])
2572 chandef->center_freq1 =
2573 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ1]);
2574 if (attrs[NL80211_ATTR_CENTER_FREQ2])
2575 chandef->center_freq2 =
2576 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ2]);
2579 if (!cfg80211_chandef_valid(chandef)) {
2580 NL_SET_ERR_MSG(extack, "invalid channel definition");
2584 if (!cfg80211_chandef_usable(&rdev->wiphy, chandef,
2585 IEEE80211_CHAN_DISABLED)) {
2586 NL_SET_ERR_MSG(extack, "(extension) channel is disabled");
2590 if ((chandef->width == NL80211_CHAN_WIDTH_5 ||
2591 chandef->width == NL80211_CHAN_WIDTH_10) &&
2592 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ)) {
2593 NL_SET_ERR_MSG(extack, "5/10 MHz not supported");
2600 static int __nl80211_set_channel(struct cfg80211_registered_device *rdev,
2601 struct net_device *dev,
2602 struct genl_info *info)
2604 struct cfg80211_chan_def chandef;
2606 enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR;
2607 struct wireless_dev *wdev = NULL;
2610 wdev = dev->ieee80211_ptr;
2611 if (!nl80211_can_set_dev_channel(wdev))
2614 iftype = wdev->iftype;
2616 result = nl80211_parse_chandef(rdev, info, &chandef);
2621 case NL80211_IFTYPE_AP:
2622 case NL80211_IFTYPE_P2P_GO:
2623 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
2628 if (wdev->beacon_interval) {
2629 if (!dev || !rdev->ops->set_ap_chanwidth ||
2630 !(rdev->wiphy.features &
2631 NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE)) {
2636 /* Only allow dynamic channel width changes */
2637 if (chandef.chan != wdev->preset_chandef.chan) {
2641 result = rdev_set_ap_chanwidth(rdev, dev, &chandef);
2645 wdev->preset_chandef = chandef;
2648 case NL80211_IFTYPE_MESH_POINT:
2649 result = cfg80211_set_mesh_channel(rdev, wdev, &chandef);
2651 case NL80211_IFTYPE_MONITOR:
2652 result = cfg80211_set_monitor_channel(rdev, &chandef);
2661 static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info)
2663 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2664 struct net_device *netdev = info->user_ptr[1];
2666 return __nl80211_set_channel(rdev, netdev, info);
2669 static int nl80211_set_wds_peer(struct sk_buff *skb, struct genl_info *info)
2671 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2672 struct net_device *dev = info->user_ptr[1];
2673 struct wireless_dev *wdev = dev->ieee80211_ptr;
2676 if (!info->attrs[NL80211_ATTR_MAC])
2679 if (netif_running(dev))
2682 if (!rdev->ops->set_wds_peer)
2685 if (wdev->iftype != NL80211_IFTYPE_WDS)
2688 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
2689 return rdev_set_wds_peer(rdev, dev, bssid);
2692 static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
2694 struct cfg80211_registered_device *rdev;
2695 struct net_device *netdev = NULL;
2696 struct wireless_dev *wdev;
2697 int result = 0, rem_txq_params = 0;
2698 struct nlattr *nl_txq_params;
2700 u8 retry_short = 0, retry_long = 0;
2701 u32 frag_threshold = 0, rts_threshold = 0;
2702 u8 coverage_class = 0;
2703 u32 txq_limit = 0, txq_memory_limit = 0, txq_quantum = 0;
2708 * Try to find the wiphy and netdev. Normally this
2709 * function shouldn't need the netdev, but this is
2710 * done for backward compatibility -- previously
2711 * setting the channel was done per wiphy, but now
2712 * it is per netdev. Previous userland like hostapd
2713 * also passed a netdev to set_wiphy, so that it is
2714 * possible to let that go to the right netdev!
2717 if (info->attrs[NL80211_ATTR_IFINDEX]) {
2718 int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]);
2720 netdev = __dev_get_by_index(genl_info_net(info), ifindex);
2721 if (netdev && netdev->ieee80211_ptr)
2722 rdev = wiphy_to_rdev(netdev->ieee80211_ptr->wiphy);
2728 rdev = __cfg80211_rdev_from_attrs(genl_info_net(info),
2731 return PTR_ERR(rdev);
2736 wdev = netdev->ieee80211_ptr;
2739 * end workaround code, by now the rdev is available
2740 * and locked, and wdev may or may not be NULL.
2743 if (info->attrs[NL80211_ATTR_WIPHY_NAME])
2744 result = cfg80211_dev_rename(
2745 rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME]));
2750 if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) {
2751 struct ieee80211_txq_params txq_params;
2752 struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1];
2754 if (!rdev->ops->set_txq_params)
2760 if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
2761 netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
2764 if (!netif_running(netdev))
2767 nla_for_each_nested(nl_txq_params,
2768 info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS],
2770 result = nla_parse_nested_deprecated(tb,
2771 NL80211_TXQ_ATTR_MAX,
2777 result = parse_txq_params(tb, &txq_params);
2781 result = rdev_set_txq_params(rdev, netdev,
2788 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
2789 result = __nl80211_set_channel(
2791 nl80211_can_set_dev_channel(wdev) ? netdev : NULL,
2797 if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) {
2798 struct wireless_dev *txp_wdev = wdev;
2799 enum nl80211_tx_power_setting type;
2802 if (!(rdev->wiphy.features & NL80211_FEATURE_VIF_TXPOWER))
2805 if (!rdev->ops->set_tx_power)
2808 idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING;
2809 type = nla_get_u32(info->attrs[idx]);
2811 if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] &&
2812 (type != NL80211_TX_POWER_AUTOMATIC))
2815 if (type != NL80211_TX_POWER_AUTOMATIC) {
2816 idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL;
2817 mbm = nla_get_u32(info->attrs[idx]);
2820 result = rdev_set_tx_power(rdev, txp_wdev, type, mbm);
2825 if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] &&
2826 info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) {
2829 if ((!rdev->wiphy.available_antennas_tx &&
2830 !rdev->wiphy.available_antennas_rx) ||
2831 !rdev->ops->set_antenna)
2834 tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]);
2835 rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]);
2837 /* reject antenna configurations which don't match the
2838 * available antenna masks, except for the "all" mask */
2839 if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) ||
2840 (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx)))
2843 tx_ant = tx_ant & rdev->wiphy.available_antennas_tx;
2844 rx_ant = rx_ant & rdev->wiphy.available_antennas_rx;
2846 result = rdev_set_antenna(rdev, tx_ant, rx_ant);
2853 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) {
2854 retry_short = nla_get_u8(
2855 info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]);
2857 changed |= WIPHY_PARAM_RETRY_SHORT;
2860 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) {
2861 retry_long = nla_get_u8(
2862 info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]);
2864 changed |= WIPHY_PARAM_RETRY_LONG;
2867 if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) {
2868 frag_threshold = nla_get_u32(
2869 info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]);
2870 if (frag_threshold < 256)
2873 if (frag_threshold != (u32) -1) {
2875 * Fragments (apart from the last one) are required to
2876 * have even length. Make the fragmentation code
2877 * simpler by stripping LSB should someone try to use
2878 * odd threshold value.
2880 frag_threshold &= ~0x1;
2882 changed |= WIPHY_PARAM_FRAG_THRESHOLD;
2885 if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) {
2886 rts_threshold = nla_get_u32(
2887 info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]);
2888 changed |= WIPHY_PARAM_RTS_THRESHOLD;
2891 if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) {
2892 if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK])
2895 coverage_class = nla_get_u8(
2896 info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]);
2897 changed |= WIPHY_PARAM_COVERAGE_CLASS;
2900 if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) {
2901 if (!(rdev->wiphy.features & NL80211_FEATURE_ACKTO_ESTIMATION))
2904 changed |= WIPHY_PARAM_DYN_ACK;
2907 if (info->attrs[NL80211_ATTR_TXQ_LIMIT]) {
2908 if (!wiphy_ext_feature_isset(&rdev->wiphy,
2909 NL80211_EXT_FEATURE_TXQS))
2911 txq_limit = nla_get_u32(
2912 info->attrs[NL80211_ATTR_TXQ_LIMIT]);
2913 changed |= WIPHY_PARAM_TXQ_LIMIT;
2916 if (info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]) {
2917 if (!wiphy_ext_feature_isset(&rdev->wiphy,
2918 NL80211_EXT_FEATURE_TXQS))
2920 txq_memory_limit = nla_get_u32(
2921 info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]);
2922 changed |= WIPHY_PARAM_TXQ_MEMORY_LIMIT;
2925 if (info->attrs[NL80211_ATTR_TXQ_QUANTUM]) {
2926 if (!wiphy_ext_feature_isset(&rdev->wiphy,
2927 NL80211_EXT_FEATURE_TXQS))
2929 txq_quantum = nla_get_u32(
2930 info->attrs[NL80211_ATTR_TXQ_QUANTUM]);
2931 changed |= WIPHY_PARAM_TXQ_QUANTUM;
2935 u8 old_retry_short, old_retry_long;
2936 u32 old_frag_threshold, old_rts_threshold;
2937 u8 old_coverage_class;
2938 u32 old_txq_limit, old_txq_memory_limit, old_txq_quantum;
2940 if (!rdev->ops->set_wiphy_params)
2943 old_retry_short = rdev->wiphy.retry_short;
2944 old_retry_long = rdev->wiphy.retry_long;
2945 old_frag_threshold = rdev->wiphy.frag_threshold;
2946 old_rts_threshold = rdev->wiphy.rts_threshold;
2947 old_coverage_class = rdev->wiphy.coverage_class;
2948 old_txq_limit = rdev->wiphy.txq_limit;
2949 old_txq_memory_limit = rdev->wiphy.txq_memory_limit;
2950 old_txq_quantum = rdev->wiphy.txq_quantum;
2952 if (changed & WIPHY_PARAM_RETRY_SHORT)
2953 rdev->wiphy.retry_short = retry_short;
2954 if (changed & WIPHY_PARAM_RETRY_LONG)
2955 rdev->wiphy.retry_long = retry_long;
2956 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
2957 rdev->wiphy.frag_threshold = frag_threshold;
2958 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
2959 rdev->wiphy.rts_threshold = rts_threshold;
2960 if (changed & WIPHY_PARAM_COVERAGE_CLASS)
2961 rdev->wiphy.coverage_class = coverage_class;
2962 if (changed & WIPHY_PARAM_TXQ_LIMIT)
2963 rdev->wiphy.txq_limit = txq_limit;
2964 if (changed & WIPHY_PARAM_TXQ_MEMORY_LIMIT)
2965 rdev->wiphy.txq_memory_limit = txq_memory_limit;
2966 if (changed & WIPHY_PARAM_TXQ_QUANTUM)
2967 rdev->wiphy.txq_quantum = txq_quantum;
2969 result = rdev_set_wiphy_params(rdev, changed);
2971 rdev->wiphy.retry_short = old_retry_short;
2972 rdev->wiphy.retry_long = old_retry_long;
2973 rdev->wiphy.frag_threshold = old_frag_threshold;
2974 rdev->wiphy.rts_threshold = old_rts_threshold;
2975 rdev->wiphy.coverage_class = old_coverage_class;
2976 rdev->wiphy.txq_limit = old_txq_limit;
2977 rdev->wiphy.txq_memory_limit = old_txq_memory_limit;
2978 rdev->wiphy.txq_quantum = old_txq_quantum;
2985 static int nl80211_send_chandef(struct sk_buff *msg,
2986 const struct cfg80211_chan_def *chandef)
2988 if (WARN_ON(!cfg80211_chandef_valid(chandef)))
2991 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
2992 chandef->chan->center_freq))
2994 switch (chandef->width) {
2995 case NL80211_CHAN_WIDTH_20_NOHT:
2996 case NL80211_CHAN_WIDTH_20:
2997 case NL80211_CHAN_WIDTH_40:
2998 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
2999 cfg80211_get_chandef_type(chandef)))
3005 if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, chandef->width))
3007 if (nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, chandef->center_freq1))
3009 if (chandef->center_freq2 &&
3010 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, chandef->center_freq2))
3015 static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags,
3016 struct cfg80211_registered_device *rdev,
3017 struct wireless_dev *wdev,
3018 enum nl80211_commands cmd)
3020 struct net_device *dev = wdev->netdev;
3023 WARN_ON(cmd != NL80211_CMD_NEW_INTERFACE &&
3024 cmd != NL80211_CMD_DEL_INTERFACE &&
3025 cmd != NL80211_CMD_SET_INTERFACE);
3027 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
3032 (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
3033 nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name)))
3034 goto nla_put_failure;
3036 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
3037 nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) ||
3038 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
3039 NL80211_ATTR_PAD) ||
3040 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) ||
3041 nla_put_u32(msg, NL80211_ATTR_GENERATION,
3042 rdev->devlist_generation ^
3043 (cfg80211_rdev_list_generation << 2)) ||
3044 nla_put_u8(msg, NL80211_ATTR_4ADDR, wdev->use_4addr))
3045 goto nla_put_failure;
3047 if (rdev->ops->get_channel) {
3049 struct cfg80211_chan_def chandef;
3051 ret = rdev_get_channel(rdev, wdev, &chandef);
3053 if (nl80211_send_chandef(msg, &chandef))
3054 goto nla_put_failure;
3058 if (rdev->ops->get_tx_power) {
3061 ret = rdev_get_tx_power(rdev, wdev, &dbm);
3063 nla_put_u32(msg, NL80211_ATTR_WIPHY_TX_POWER_LEVEL,
3065 goto nla_put_failure;
3069 switch (wdev->iftype) {
3070 case NL80211_IFTYPE_AP:
3071 if (wdev->ssid_len &&
3072 nla_put(msg, NL80211_ATTR_SSID, wdev->ssid_len, wdev->ssid))
3073 goto nla_put_failure_locked;
3075 case NL80211_IFTYPE_STATION:
3076 case NL80211_IFTYPE_P2P_CLIENT:
3077 case NL80211_IFTYPE_ADHOC: {
3079 if (!wdev->current_bss)
3082 ssid_ie = ieee80211_bss_get_ie(&wdev->current_bss->pub,
3085 nla_put(msg, NL80211_ATTR_SSID, ssid_ie[1], ssid_ie + 2))
3086 goto nla_put_failure_rcu_locked;
3096 if (rdev->ops->get_txq_stats) {
3097 struct cfg80211_txq_stats txqstats = {};
3098 int ret = rdev_get_txq_stats(rdev, wdev, &txqstats);
3101 !nl80211_put_txq_stats(msg, &txqstats,
3102 NL80211_ATTR_TXQ_STATS))
3103 goto nla_put_failure;
3106 genlmsg_end(msg, hdr);
3109 nla_put_failure_rcu_locked:
3111 nla_put_failure_locked:
3114 genlmsg_cancel(msg, hdr);
3118 static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb)
3122 int wp_start = cb->args[0];
3123 int if_start = cb->args[1];
3124 int filter_wiphy = -1;
3125 struct cfg80211_registered_device *rdev;
3126 struct wireless_dev *wdev;
3131 struct nl80211_dump_wiphy_state state = {
3135 ret = nl80211_dump_wiphy_parse(skb, cb, &state);
3139 filter_wiphy = state.filter_wiphy;
3142 * if filtering, set cb->args[2] to +1 since 0 is the default
3143 * value needed to determine that parsing is necessary.
3145 if (filter_wiphy >= 0)
3146 cb->args[2] = filter_wiphy + 1;
3149 } else if (cb->args[2] > 0) {
3150 filter_wiphy = cb->args[2] - 1;
3153 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
3154 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
3156 if (wp_idx < wp_start) {
3161 if (filter_wiphy >= 0 && filter_wiphy != rdev->wiphy_idx)
3166 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
3167 if (if_idx < if_start) {
3171 if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid,
3172 cb->nlh->nlmsg_seq, NLM_F_MULTI,
3174 NL80211_CMD_NEW_INTERFACE) < 0) {
3183 cb->args[0] = wp_idx;
3184 cb->args[1] = if_idx;
3193 static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info)
3195 struct sk_buff *msg;
3196 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3197 struct wireless_dev *wdev = info->user_ptr[1];
3199 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
3203 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
3204 rdev, wdev, NL80211_CMD_NEW_INTERFACE) < 0) {
3209 return genlmsg_reply(msg, info);
3212 static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = {
3213 [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG },
3214 [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG },
3215 [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG },
3216 [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG },
3217 [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG },
3218 [NL80211_MNTR_FLAG_ACTIVE] = { .type = NLA_FLAG },
3221 static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags)
3223 struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1];
3231 if (nla_parse_nested_deprecated(flags, NL80211_MNTR_FLAG_MAX, nla, mntr_flags_policy, NULL))
3234 for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++)
3236 *mntrflags |= (1<<flag);
3238 *mntrflags |= MONITOR_FLAG_CHANGED;
3243 static int nl80211_parse_mon_options(struct cfg80211_registered_device *rdev,
3244 enum nl80211_iftype type,
3245 struct genl_info *info,
3246 struct vif_params *params)
3248 bool change = false;
3251 if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) {
3252 if (type != NL80211_IFTYPE_MONITOR)
3255 err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS],
3263 if (params->flags & MONITOR_FLAG_ACTIVE &&
3264 !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR))
3267 if (info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]) {
3268 const u8 *mumimo_groups;
3269 u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER;
3271 if (type != NL80211_IFTYPE_MONITOR)
3274 if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag))
3278 nla_data(info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]);
3280 /* bits 0 and 63 are reserved and must be zero */
3281 if ((mumimo_groups[0] & BIT(0)) ||
3282 (mumimo_groups[VHT_MUMIMO_GROUPS_DATA_LEN - 1] & BIT(7)))
3285 params->vht_mumimo_groups = mumimo_groups;
3289 if (info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]) {
3290 u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER;
3292 if (type != NL80211_IFTYPE_MONITOR)
3295 if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag))
3298 params->vht_mumimo_follow_addr =
3299 nla_data(info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]);
3303 return change ? 1 : 0;
3306 static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev,
3307 struct net_device *netdev, u8 use_4addr,
3308 enum nl80211_iftype iftype)
3311 if (netdev && (netdev->priv_flags & IFF_BRIDGE_PORT))
3317 case NL80211_IFTYPE_AP_VLAN:
3318 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP)
3321 case NL80211_IFTYPE_STATION:
3322 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION)
3332 static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
3334 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3335 struct vif_params params;
3337 enum nl80211_iftype otype, ntype;
3338 struct net_device *dev = info->user_ptr[1];
3339 bool change = false;
3341 memset(¶ms, 0, sizeof(params));
3343 otype = ntype = dev->ieee80211_ptr->iftype;
3345 if (info->attrs[NL80211_ATTR_IFTYPE]) {
3346 ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
3351 if (info->attrs[NL80211_ATTR_MESH_ID]) {
3352 struct wireless_dev *wdev = dev->ieee80211_ptr;
3354 if (ntype != NL80211_IFTYPE_MESH_POINT)
3356 if (netif_running(dev))
3360 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
3361 IEEE80211_MAX_MESH_ID_LEN);
3362 wdev->mesh_id_up_len =
3363 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
3364 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
3365 wdev->mesh_id_up_len);
3369 if (info->attrs[NL80211_ATTR_4ADDR]) {
3370 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
3372 err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype);
3376 params.use_4addr = -1;
3379 err = nl80211_parse_mon_options(rdev, ntype, info, ¶ms);
3386 err = cfg80211_change_iface(rdev, dev, ntype, ¶ms);
3390 if (!err && params.use_4addr != -1)
3391 dev->ieee80211_ptr->use_4addr = params.use_4addr;
3393 if (change && !err) {
3394 struct wireless_dev *wdev = dev->ieee80211_ptr;
3396 nl80211_notify_iface(rdev, wdev, NL80211_CMD_SET_INTERFACE);
3402 static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
3404 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3405 struct vif_params params;
3406 struct wireless_dev *wdev;
3407 struct sk_buff *msg;
3409 enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED;
3411 /* to avoid failing a new interface creation due to pending removal */
3412 cfg80211_destroy_ifaces(rdev);
3414 memset(¶ms, 0, sizeof(params));
3416 if (!info->attrs[NL80211_ATTR_IFNAME])
3419 if (info->attrs[NL80211_ATTR_IFTYPE])
3420 type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
3422 if (!rdev->ops->add_virtual_intf ||
3423 !(rdev->wiphy.interface_modes & (1 << type)))
3426 if ((type == NL80211_IFTYPE_P2P_DEVICE || type == NL80211_IFTYPE_NAN ||
3427 rdev->wiphy.features & NL80211_FEATURE_MAC_ON_CREATE) &&
3428 info->attrs[NL80211_ATTR_MAC]) {
3429 nla_memcpy(params.macaddr, info->attrs[NL80211_ATTR_MAC],
3431 if (!is_valid_ether_addr(params.macaddr))
3432 return -EADDRNOTAVAIL;
3435 if (info->attrs[NL80211_ATTR_4ADDR]) {
3436 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
3437 err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type);
3442 err = nl80211_parse_mon_options(rdev, type, info, ¶ms);
3446 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
3450 wdev = rdev_add_virtual_intf(rdev,
3451 nla_data(info->attrs[NL80211_ATTR_IFNAME]),
3452 NET_NAME_USER, type, ¶ms);
3453 if (WARN_ON(!wdev)) {
3456 } else if (IS_ERR(wdev)) {
3458 return PTR_ERR(wdev);
3461 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
3462 wdev->owner_nlportid = info->snd_portid;
3465 case NL80211_IFTYPE_MESH_POINT:
3466 if (!info->attrs[NL80211_ATTR_MESH_ID])
3469 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
3470 IEEE80211_MAX_MESH_ID_LEN);
3471 wdev->mesh_id_up_len =
3472 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
3473 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
3474 wdev->mesh_id_up_len);
3477 case NL80211_IFTYPE_NAN:
3478 case NL80211_IFTYPE_P2P_DEVICE:
3480 * P2P Device and NAN do not have a netdev, so don't go
3481 * through the netdev notifier and must be added here
3483 cfg80211_init_wdev(rdev, wdev);
3489 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
3490 rdev, wdev, NL80211_CMD_NEW_INTERFACE) < 0) {
3495 return genlmsg_reply(msg, info);
3498 static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info)
3500 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3501 struct wireless_dev *wdev = info->user_ptr[1];
3503 if (!rdev->ops->del_virtual_intf)
3507 * If we remove a wireless device without a netdev then clear
3508 * user_ptr[1] so that nl80211_post_doit won't dereference it
3509 * to check if it needs to do dev_put(). Otherwise it crashes
3510 * since the wdev has been freed, unlike with a netdev where
3511 * we need the dev_put() for the netdev to really be freed.
3514 info->user_ptr[1] = NULL;
3516 return rdev_del_virtual_intf(rdev, wdev);
3519 static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info)
3521 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3522 struct net_device *dev = info->user_ptr[1];
3525 if (!info->attrs[NL80211_ATTR_NOACK_MAP])
3528 if (!rdev->ops->set_noack_map)
3531 noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]);
3533 return rdev_set_noack_map(rdev, dev, noack_map);
3536 struct get_key_cookie {
3537 struct sk_buff *msg;
3542 static void get_key_callback(void *c, struct key_params *params)
3545 struct get_key_cookie *cookie = c;
3548 nla_put(cookie->msg, NL80211_ATTR_KEY_DATA,
3549 params->key_len, params->key)) ||
3551 nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ,
3552 params->seq_len, params->seq)) ||
3554 nla_put_u32(cookie->msg, NL80211_ATTR_KEY_CIPHER,
3556 goto nla_put_failure;
3558 key = nla_nest_start_noflag(cookie->msg, NL80211_ATTR_KEY);
3560 goto nla_put_failure;
3563 nla_put(cookie->msg, NL80211_KEY_DATA,
3564 params->key_len, params->key)) ||
3566 nla_put(cookie->msg, NL80211_KEY_SEQ,
3567 params->seq_len, params->seq)) ||
3569 nla_put_u32(cookie->msg, NL80211_KEY_CIPHER,
3571 goto nla_put_failure;
3573 if (nla_put_u8(cookie->msg, NL80211_KEY_IDX, cookie->idx))
3574 goto nla_put_failure;
3576 nla_nest_end(cookie->msg, key);
3583 static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info)
3585 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3587 struct net_device *dev = info->user_ptr[1];
3589 const u8 *mac_addr = NULL;
3591 struct get_key_cookie cookie = {
3595 struct sk_buff *msg;
3597 if (info->attrs[NL80211_ATTR_KEY_IDX])
3598 key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
3600 if (info->attrs[NL80211_ATTR_MAC])
3601 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3603 pairwise = !!mac_addr;
3604 if (info->attrs[NL80211_ATTR_KEY_TYPE]) {
3605 u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
3607 if (kt != NL80211_KEYTYPE_GROUP &&
3608 kt != NL80211_KEYTYPE_PAIRWISE)
3610 pairwise = kt == NL80211_KEYTYPE_PAIRWISE;
3613 if (!rdev->ops->get_key)
3616 if (!pairwise && mac_addr && !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
3619 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
3623 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
3624 NL80211_CMD_NEW_KEY);
3626 goto nla_put_failure;
3629 cookie.idx = key_idx;
3631 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
3632 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx))
3633 goto nla_put_failure;
3635 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr))
3636 goto nla_put_failure;
3638 err = rdev_get_key(rdev, dev, key_idx, pairwise, mac_addr, &cookie,
3645 goto nla_put_failure;
3647 genlmsg_end(msg, hdr);
3648 return genlmsg_reply(msg, info);
3657 static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info)
3659 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3660 struct key_parse key;
3662 struct net_device *dev = info->user_ptr[1];
3664 err = nl80211_parse_key(info, &key);
3671 /* Only support setting default key and
3672 * Extended Key ID action NL80211_KEY_SET_TX.
3674 if (!key.def && !key.defmgmt &&
3675 !(key.p.mode == NL80211_KEY_SET_TX))
3678 wdev_lock(dev->ieee80211_ptr);
3681 if (!rdev->ops->set_default_key) {
3686 err = nl80211_key_allowed(dev->ieee80211_ptr);
3690 err = rdev_set_default_key(rdev, dev, key.idx,
3691 key.def_uni, key.def_multi);
3696 #ifdef CONFIG_CFG80211_WEXT
3697 dev->ieee80211_ptr->wext.default_key = key.idx;
3699 } else if (key.defmgmt) {
3700 if (key.def_uni || !key.def_multi) {
3705 if (!rdev->ops->set_default_mgmt_key) {
3710 err = nl80211_key_allowed(dev->ieee80211_ptr);
3714 err = rdev_set_default_mgmt_key(rdev, dev, key.idx);
3718 #ifdef CONFIG_CFG80211_WEXT
3719 dev->ieee80211_ptr->wext.default_mgmt_key = key.idx;
3721 } else if (key.p.mode == NL80211_KEY_SET_TX &&
3722 wiphy_ext_feature_isset(&rdev->wiphy,
3723 NL80211_EXT_FEATURE_EXT_KEY_ID)) {
3724 u8 *mac_addr = NULL;
3726 if (info->attrs[NL80211_ATTR_MAC])
3727 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3729 if (!mac_addr || key.idx < 0 || key.idx > 1) {
3734 err = rdev_add_key(rdev, dev, key.idx,
3735 NL80211_KEYTYPE_PAIRWISE,
3741 wdev_unlock(dev->ieee80211_ptr);
3746 static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info)
3748 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3750 struct net_device *dev = info->user_ptr[1];
3751 struct key_parse key;
3752 const u8 *mac_addr = NULL;
3754 err = nl80211_parse_key(info, &key);
3761 if (info->attrs[NL80211_ATTR_MAC])
3762 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3764 if (key.type == -1) {
3766 key.type = NL80211_KEYTYPE_PAIRWISE;
3768 key.type = NL80211_KEYTYPE_GROUP;
3772 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
3773 key.type != NL80211_KEYTYPE_GROUP)
3776 if (!rdev->ops->add_key)
3779 if (cfg80211_validate_key_settings(rdev, &key.p, key.idx,
3780 key.type == NL80211_KEYTYPE_PAIRWISE,
3784 wdev_lock(dev->ieee80211_ptr);
3785 err = nl80211_key_allowed(dev->ieee80211_ptr);
3787 err = rdev_add_key(rdev, dev, key.idx,
3788 key.type == NL80211_KEYTYPE_PAIRWISE,
3790 wdev_unlock(dev->ieee80211_ptr);
3795 static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
3797 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3799 struct net_device *dev = info->user_ptr[1];
3800 u8 *mac_addr = NULL;
3801 struct key_parse key;
3803 err = nl80211_parse_key(info, &key);
3807 if (info->attrs[NL80211_ATTR_MAC])
3808 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3810 if (key.type == -1) {
3812 key.type = NL80211_KEYTYPE_PAIRWISE;
3814 key.type = NL80211_KEYTYPE_GROUP;
3818 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
3819 key.type != NL80211_KEYTYPE_GROUP)
3822 if (!rdev->ops->del_key)
3825 wdev_lock(dev->ieee80211_ptr);
3826 err = nl80211_key_allowed(dev->ieee80211_ptr);
3828 if (key.type == NL80211_KEYTYPE_GROUP && mac_addr &&
3829 !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
3833 err = rdev_del_key(rdev, dev, key.idx,
3834 key.type == NL80211_KEYTYPE_PAIRWISE,
3837 #ifdef CONFIG_CFG80211_WEXT
3839 if (key.idx == dev->ieee80211_ptr->wext.default_key)
3840 dev->ieee80211_ptr->wext.default_key = -1;
3841 else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key)
3842 dev->ieee80211_ptr->wext.default_mgmt_key = -1;
3845 wdev_unlock(dev->ieee80211_ptr);
3850 /* This function returns an error or the number of nested attributes */
3851 static int validate_acl_mac_addrs(struct nlattr *nl_attr)
3853 struct nlattr *attr;
3854 int n_entries = 0, tmp;
3856 nla_for_each_nested(attr, nl_attr, tmp) {
3857 if (nla_len(attr) != ETH_ALEN)
3867 * This function parses ACL information and allocates memory for ACL data.
3868 * On successful return, the calling function is responsible to free the
3869 * ACL buffer returned by this function.
3871 static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy,
3872 struct genl_info *info)
3874 enum nl80211_acl_policy acl_policy;
3875 struct nlattr *attr;
3876 struct cfg80211_acl_data *acl;
3877 int i = 0, n_entries, tmp;
3879 if (!wiphy->max_acl_mac_addrs)
3880 return ERR_PTR(-EOPNOTSUPP);
3882 if (!info->attrs[NL80211_ATTR_ACL_POLICY])
3883 return ERR_PTR(-EINVAL);
3885 acl_policy = nla_get_u32(info->attrs[NL80211_ATTR_ACL_POLICY]);
3886 if (acl_policy != NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED &&
3887 acl_policy != NL80211_ACL_POLICY_DENY_UNLESS_LISTED)
3888 return ERR_PTR(-EINVAL);
3890 if (!info->attrs[NL80211_ATTR_MAC_ADDRS])
3891 return ERR_PTR(-EINVAL);
3893 n_entries = validate_acl_mac_addrs(info->attrs[NL80211_ATTR_MAC_ADDRS]);
3895 return ERR_PTR(n_entries);
3897 if (n_entries > wiphy->max_acl_mac_addrs)
3898 return ERR_PTR(-ENOTSUPP);
3900 acl = kzalloc(struct_size(acl, mac_addrs, n_entries), GFP_KERNEL);
3902 return ERR_PTR(-ENOMEM);
3904 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_MAC_ADDRS], tmp) {
3905 memcpy(acl->mac_addrs[i].addr, nla_data(attr), ETH_ALEN);
3909 acl->n_acl_entries = n_entries;
3910 acl->acl_policy = acl_policy;
3915 static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info)
3917 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3918 struct net_device *dev = info->user_ptr[1];
3919 struct cfg80211_acl_data *acl;
3922 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
3923 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
3926 if (!dev->ieee80211_ptr->beacon_interval)
3929 acl = parse_acl_data(&rdev->wiphy, info);
3931 return PTR_ERR(acl);
3933 err = rdev_set_mac_acl(rdev, dev, acl);
3940 static u32 rateset_to_mask(struct ieee80211_supported_band *sband,
3941 u8 *rates, u8 rates_len)
3946 for (i = 0; i < rates_len; i++) {
3947 int rate = (rates[i] & 0x7f) * 5;
3950 for (ridx = 0; ridx < sband->n_bitrates; ridx++) {
3951 struct ieee80211_rate *srate =
3952 &sband->bitrates[ridx];
3953 if (rate == srate->bitrate) {
3958 if (ridx == sband->n_bitrates)
3959 return 0; /* rate not found */
3965 static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband,
3966 u8 *rates, u8 rates_len,
3967 u8 mcs[IEEE80211_HT_MCS_MASK_LEN])
3971 memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN);
3973 for (i = 0; i < rates_len; i++) {
3976 ridx = rates[i] / 8;
3977 rbit = BIT(rates[i] % 8);
3979 /* check validity */
3980 if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN))
3983 /* check availability */
3984 ridx = array_index_nospec(ridx, IEEE80211_HT_MCS_MASK_LEN);
3985 if (sband->ht_cap.mcs.rx_mask[ridx] & rbit)
3994 static u16 vht_mcs_map_to_mcs_mask(u8 vht_mcs_map)
3998 switch (vht_mcs_map) {
3999 case IEEE80211_VHT_MCS_NOT_SUPPORTED:
4001 case IEEE80211_VHT_MCS_SUPPORT_0_7:
4004 case IEEE80211_VHT_MCS_SUPPORT_0_8:
4007 case IEEE80211_VHT_MCS_SUPPORT_0_9:
4017 static void vht_build_mcs_mask(u16 vht_mcs_map,
4018 u16 vht_mcs_mask[NL80211_VHT_NSS_MAX])
4022 for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) {
4023 vht_mcs_mask[nss] = vht_mcs_map_to_mcs_mask(vht_mcs_map & 0x03);
4028 static bool vht_set_mcs_mask(struct ieee80211_supported_band *sband,
4029 struct nl80211_txrate_vht *txrate,
4030 u16 mcs[NL80211_VHT_NSS_MAX])
4032 u16 tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
4033 u16 tx_mcs_mask[NL80211_VHT_NSS_MAX] = {};
4036 if (!sband->vht_cap.vht_supported)
4039 memset(mcs, 0, sizeof(u16) * NL80211_VHT_NSS_MAX);
4041 /* Build vht_mcs_mask from VHT capabilities */
4042 vht_build_mcs_mask(tx_mcs_map, tx_mcs_mask);
4044 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
4045 if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i])
4046 mcs[i] = txrate->mcs[i];
4054 static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = {
4055 [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY,
4056 .len = NL80211_MAX_SUPP_RATES },
4057 [NL80211_TXRATE_HT] = { .type = NLA_BINARY,
4058 .len = NL80211_MAX_SUPP_HT_RATES },
4059 [NL80211_TXRATE_VHT] = { .len = sizeof(struct nl80211_txrate_vht)},
4060 [NL80211_TXRATE_GI] = { .type = NLA_U8 },
4063 static int nl80211_parse_tx_bitrate_mask(struct genl_info *info,
4064 struct cfg80211_bitrate_mask *mask)
4066 struct nlattr *tb[NL80211_TXRATE_MAX + 1];
4067 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4069 struct nlattr *tx_rates;
4070 struct ieee80211_supported_band *sband;
4073 memset(mask, 0, sizeof(*mask));
4074 /* Default to all rates enabled */
4075 for (i = 0; i < NUM_NL80211_BANDS; i++) {
4076 sband = rdev->wiphy.bands[i];
4081 mask->control[i].legacy = (1 << sband->n_bitrates) - 1;
4082 memcpy(mask->control[i].ht_mcs,
4083 sband->ht_cap.mcs.rx_mask,
4084 sizeof(mask->control[i].ht_mcs));
4086 if (!sband->vht_cap.vht_supported)
4089 vht_tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
4090 vht_build_mcs_mask(vht_tx_mcs_map, mask->control[i].vht_mcs);
4093 /* if no rates are given set it back to the defaults */
4094 if (!info->attrs[NL80211_ATTR_TX_RATES])
4097 /* The nested attribute uses enum nl80211_band as the index. This maps
4098 * directly to the enum nl80211_band values used in cfg80211.
4100 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8);
4101 nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem) {
4102 enum nl80211_band band = nla_type(tx_rates);
4105 if (band < 0 || band >= NUM_NL80211_BANDS)
4107 sband = rdev->wiphy.bands[band];
4110 err = nla_parse_nested_deprecated(tb, NL80211_TXRATE_MAX,
4112 nl80211_txattr_policy,
4116 if (tb[NL80211_TXRATE_LEGACY]) {
4117 mask->control[band].legacy = rateset_to_mask(
4119 nla_data(tb[NL80211_TXRATE_LEGACY]),
4120 nla_len(tb[NL80211_TXRATE_LEGACY]));
4121 if ((mask->control[band].legacy == 0) &&
4122 nla_len(tb[NL80211_TXRATE_LEGACY]))
4125 if (tb[NL80211_TXRATE_HT]) {
4126 if (!ht_rateset_to_mask(
4128 nla_data(tb[NL80211_TXRATE_HT]),
4129 nla_len(tb[NL80211_TXRATE_HT]),
4130 mask->control[band].ht_mcs))
4133 if (tb[NL80211_TXRATE_VHT]) {
4134 if (!vht_set_mcs_mask(
4136 nla_data(tb[NL80211_TXRATE_VHT]),
4137 mask->control[band].vht_mcs))
4140 if (tb[NL80211_TXRATE_GI]) {
4141 mask->control[band].gi =
4142 nla_get_u8(tb[NL80211_TXRATE_GI]);
4143 if (mask->control[band].gi > NL80211_TXRATE_FORCE_LGI)
4147 if (mask->control[band].legacy == 0) {
4148 /* don't allow empty legacy rates if HT or VHT
4149 * are not even supported.
4151 if (!(rdev->wiphy.bands[band]->ht_cap.ht_supported ||
4152 rdev->wiphy.bands[band]->vht_cap.vht_supported))
4155 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
4156 if (mask->control[band].ht_mcs[i])
4159 for (i = 0; i < NL80211_VHT_NSS_MAX; i++)
4160 if (mask->control[band].vht_mcs[i])
4163 /* legacy and mcs rates may not be both empty */
4172 static int validate_beacon_tx_rate(struct cfg80211_registered_device *rdev,
4173 enum nl80211_band band,
4174 struct cfg80211_bitrate_mask *beacon_rate)
4176 u32 count_ht, count_vht, i;
4177 u32 rate = beacon_rate->control[band].legacy;
4179 /* Allow only one rate */
4180 if (hweight32(rate) > 1)
4184 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) {
4185 if (hweight8(beacon_rate->control[band].ht_mcs[i]) > 1) {
4187 } else if (beacon_rate->control[band].ht_mcs[i]) {
4192 if (count_ht && rate)
4197 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
4198 if (hweight16(beacon_rate->control[band].vht_mcs[i]) > 1) {
4200 } else if (beacon_rate->control[band].vht_mcs[i]) {
4205 if (count_vht && rate)
4209 if ((count_ht && count_vht) || (!rate && !count_ht && !count_vht))
4213 !wiphy_ext_feature_isset(&rdev->wiphy,
4214 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY))
4217 !wiphy_ext_feature_isset(&rdev->wiphy,
4218 NL80211_EXT_FEATURE_BEACON_RATE_HT))
4221 !wiphy_ext_feature_isset(&rdev->wiphy,
4222 NL80211_EXT_FEATURE_BEACON_RATE_VHT))
4228 static int nl80211_parse_beacon(struct cfg80211_registered_device *rdev,
4229 struct nlattr *attrs[],
4230 struct cfg80211_beacon_data *bcn)
4232 bool haveinfo = false;
4235 memset(bcn, 0, sizeof(*bcn));
4237 if (attrs[NL80211_ATTR_BEACON_HEAD]) {
4238 bcn->head = nla_data(attrs[NL80211_ATTR_BEACON_HEAD]);
4239 bcn->head_len = nla_len(attrs[NL80211_ATTR_BEACON_HEAD]);
4245 if (attrs[NL80211_ATTR_BEACON_TAIL]) {
4246 bcn->tail = nla_data(attrs[NL80211_ATTR_BEACON_TAIL]);
4247 bcn->tail_len = nla_len(attrs[NL80211_ATTR_BEACON_TAIL]);
4254 if (attrs[NL80211_ATTR_IE]) {
4255 bcn->beacon_ies = nla_data(attrs[NL80211_ATTR_IE]);
4256 bcn->beacon_ies_len = nla_len(attrs[NL80211_ATTR_IE]);
4259 if (attrs[NL80211_ATTR_IE_PROBE_RESP]) {
4260 bcn->proberesp_ies =
4261 nla_data(attrs[NL80211_ATTR_IE_PROBE_RESP]);
4262 bcn->proberesp_ies_len =
4263 nla_len(attrs[NL80211_ATTR_IE_PROBE_RESP]);
4266 if (attrs[NL80211_ATTR_IE_ASSOC_RESP]) {
4267 bcn->assocresp_ies =
4268 nla_data(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
4269 bcn->assocresp_ies_len =
4270 nla_len(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
4273 if (attrs[NL80211_ATTR_PROBE_RESP]) {
4274 bcn->probe_resp = nla_data(attrs[NL80211_ATTR_PROBE_RESP]);
4275 bcn->probe_resp_len = nla_len(attrs[NL80211_ATTR_PROBE_RESP]);
4278 if (attrs[NL80211_ATTR_FTM_RESPONDER]) {
4279 struct nlattr *tb[NL80211_FTM_RESP_ATTR_MAX + 1];
4281 err = nla_parse_nested_deprecated(tb,
4282 NL80211_FTM_RESP_ATTR_MAX,
4283 attrs[NL80211_ATTR_FTM_RESPONDER],
4288 if (tb[NL80211_FTM_RESP_ATTR_ENABLED] &&
4289 wiphy_ext_feature_isset(&rdev->wiphy,
4290 NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER))
4291 bcn->ftm_responder = 1;
4295 if (tb[NL80211_FTM_RESP_ATTR_LCI]) {
4296 bcn->lci = nla_data(tb[NL80211_FTM_RESP_ATTR_LCI]);
4297 bcn->lci_len = nla_len(tb[NL80211_FTM_RESP_ATTR_LCI]);
4300 if (tb[NL80211_FTM_RESP_ATTR_CIVICLOC]) {
4301 bcn->civicloc = nla_data(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]);
4302 bcn->civicloc_len = nla_len(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]);
4305 bcn->ftm_responder = -1;
4311 static void nl80211_check_ap_rate_selectors(struct cfg80211_ap_settings *params,
4319 for (i = 0; i < rates[1]; i++) {
4320 if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_HT_PHY)
4321 params->ht_required = true;
4322 if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_VHT_PHY)
4323 params->vht_required = true;
4328 * Since the nl80211 API didn't include, from the beginning, attributes about
4329 * HT/VHT requirements/capabilities, we parse them out of the IEs for the
4330 * benefit of drivers that rebuild IEs in the firmware.
4332 static void nl80211_calculate_ap_params(struct cfg80211_ap_settings *params)
4334 const struct cfg80211_beacon_data *bcn = ¶ms->beacon;
4335 size_t ies_len = bcn->tail_len;
4336 const u8 *ies = bcn->tail;
4340 rates = cfg80211_find_ie(WLAN_EID_SUPP_RATES, ies, ies_len);
4341 nl80211_check_ap_rate_selectors(params, rates);
4343 rates = cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES, ies, ies_len);
4344 nl80211_check_ap_rate_selectors(params, rates);
4346 cap = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, ies, ies_len);
4347 if (cap && cap[1] >= sizeof(*params->ht_cap))
4348 params->ht_cap = (void *)(cap + 2);
4349 cap = cfg80211_find_ie(WLAN_EID_VHT_CAPABILITY, ies, ies_len);
4350 if (cap && cap[1] >= sizeof(*params->vht_cap))
4351 params->vht_cap = (void *)(cap + 2);
4352 cap = cfg80211_find_ext_ie(WLAN_EID_EXT_HE_CAPABILITY, ies, ies_len);
4353 if (cap && cap[1] >= sizeof(*params->he_cap) + 1)
4354 params->he_cap = (void *)(cap + 3);
4357 static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev,
4358 struct cfg80211_ap_settings *params)
4360 struct wireless_dev *wdev;
4363 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
4364 if (wdev->iftype != NL80211_IFTYPE_AP &&
4365 wdev->iftype != NL80211_IFTYPE_P2P_GO)
4368 if (!wdev->preset_chandef.chan)
4371 params->chandef = wdev->preset_chandef;
4379 static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev,
4380 enum nl80211_auth_type auth_type,
4381 enum nl80211_commands cmd)
4383 if (auth_type > NL80211_AUTHTYPE_MAX)
4387 case NL80211_CMD_AUTHENTICATE:
4388 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
4389 auth_type == NL80211_AUTHTYPE_SAE)
4391 if (!wiphy_ext_feature_isset(&rdev->wiphy,
4392 NL80211_EXT_FEATURE_FILS_STA) &&
4393 (auth_type == NL80211_AUTHTYPE_FILS_SK ||
4394 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
4395 auth_type == NL80211_AUTHTYPE_FILS_PK))
4398 case NL80211_CMD_CONNECT:
4399 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
4400 auth_type == NL80211_AUTHTYPE_SAE)
4403 /* FILS with SK PFS or PK not supported yet */
4404 if (auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
4405 auth_type == NL80211_AUTHTYPE_FILS_PK)
4407 if (!wiphy_ext_feature_isset(
4409 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) &&
4410 auth_type == NL80211_AUTHTYPE_FILS_SK)
4413 case NL80211_CMD_START_AP:
4414 /* SAE not supported yet */
4415 if (auth_type == NL80211_AUTHTYPE_SAE)
4417 /* FILS not supported yet */
4418 if (auth_type == NL80211_AUTHTYPE_FILS_SK ||
4419 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
4420 auth_type == NL80211_AUTHTYPE_FILS_PK)
4428 static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
4430 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4431 struct net_device *dev = info->user_ptr[1];
4432 struct wireless_dev *wdev = dev->ieee80211_ptr;
4433 struct cfg80211_ap_settings params;
4436 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4437 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4440 if (!rdev->ops->start_ap)
4443 if (wdev->beacon_interval)
4446 memset(¶ms, 0, sizeof(params));
4448 /* these are required for START_AP */
4449 if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] ||
4450 !info->attrs[NL80211_ATTR_DTIM_PERIOD] ||
4451 !info->attrs[NL80211_ATTR_BEACON_HEAD])
4454 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms.beacon);
4458 params.beacon_interval =
4459 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
4460 params.dtim_period =
4461 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
4463 err = cfg80211_validate_beacon_int(rdev, dev->ieee80211_ptr->iftype,
4464 params.beacon_interval);
4469 * In theory, some of these attributes should be required here
4470 * but since they were not used when the command was originally
4471 * added, keep them optional for old user space programs to let
4472 * them continue to work with drivers that do not need the
4473 * additional information -- drivers must check!
4475 if (info->attrs[NL80211_ATTR_SSID]) {
4476 params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
4478 nla_len(info->attrs[NL80211_ATTR_SSID]);
4479 if (params.ssid_len == 0 ||
4480 params.ssid_len > IEEE80211_MAX_SSID_LEN)
4484 if (info->attrs[NL80211_ATTR_HIDDEN_SSID])
4485 params.hidden_ssid = nla_get_u32(
4486 info->attrs[NL80211_ATTR_HIDDEN_SSID]);
4488 params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
4490 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
4491 params.auth_type = nla_get_u32(
4492 info->attrs[NL80211_ATTR_AUTH_TYPE]);
4493 if (!nl80211_valid_auth_type(rdev, params.auth_type,
4494 NL80211_CMD_START_AP))
4497 params.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
4499 err = nl80211_crypto_settings(rdev, info, ¶ms.crypto,
4500 NL80211_MAX_NR_CIPHER_SUITES);
4504 if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) {
4505 if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER))
4507 params.inactivity_timeout = nla_get_u16(
4508 info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]);
4511 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
4512 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4514 params.p2p_ctwindow =
4515 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
4516 if (params.p2p_ctwindow != 0 &&
4517 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
4521 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
4524 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4526 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
4527 params.p2p_opp_ps = tmp;
4528 if (params.p2p_opp_ps != 0 &&
4529 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
4533 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
4534 err = nl80211_parse_chandef(rdev, info, ¶ms.chandef);
4537 } else if (wdev->preset_chandef.chan) {
4538 params.chandef = wdev->preset_chandef;
4539 } else if (!nl80211_get_ap_channel(rdev, ¶ms))
4542 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef,
4546 if (info->attrs[NL80211_ATTR_TX_RATES]) {
4547 err = nl80211_parse_tx_bitrate_mask(info, ¶ms.beacon_rate);
4551 err = validate_beacon_tx_rate(rdev, params.chandef.chan->band,
4552 ¶ms.beacon_rate);
4557 if (info->attrs[NL80211_ATTR_SMPS_MODE]) {
4559 nla_get_u8(info->attrs[NL80211_ATTR_SMPS_MODE]);
4560 switch (params.smps_mode) {
4561 case NL80211_SMPS_OFF:
4563 case NL80211_SMPS_STATIC:
4564 if (!(rdev->wiphy.features &
4565 NL80211_FEATURE_STATIC_SMPS))
4568 case NL80211_SMPS_DYNAMIC:
4569 if (!(rdev->wiphy.features &
4570 NL80211_FEATURE_DYNAMIC_SMPS))
4577 params.smps_mode = NL80211_SMPS_OFF;
4580 params.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
4581 if (params.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ])
4584 if (info->attrs[NL80211_ATTR_ACL_POLICY]) {
4585 params.acl = parse_acl_data(&rdev->wiphy, info);
4586 if (IS_ERR(params.acl))
4587 return PTR_ERR(params.acl);
4590 nl80211_calculate_ap_params(¶ms);
4592 if (info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])
4593 params.flags |= AP_SETTINGS_EXTERNAL_AUTH_SUPPORT;
4596 err = rdev_start_ap(rdev, dev, ¶ms);
4598 wdev->preset_chandef = params.chandef;
4599 wdev->beacon_interval = params.beacon_interval;
4600 wdev->chandef = params.chandef;
4601 wdev->ssid_len = params.ssid_len;
4602 memcpy(wdev->ssid, params.ssid, wdev->ssid_len);
4604 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
4605 wdev->conn_owner_nlportid = info->snd_portid;
4614 static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info)
4616 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4617 struct net_device *dev = info->user_ptr[1];
4618 struct wireless_dev *wdev = dev->ieee80211_ptr;
4619 struct cfg80211_beacon_data params;
4622 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4623 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4626 if (!rdev->ops->change_beacon)
4629 if (!wdev->beacon_interval)
4632 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms);
4637 err = rdev_change_beacon(rdev, dev, ¶ms);
4643 static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info)
4645 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4646 struct net_device *dev = info->user_ptr[1];
4648 return cfg80211_stop_ap(rdev, dev, false);
4651 static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = {
4652 [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG },
4653 [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG },
4654 [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG },
4655 [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG },
4656 [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG },
4657 [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG },
4660 static int parse_station_flags(struct genl_info *info,
4661 enum nl80211_iftype iftype,
4662 struct station_parameters *params)
4664 struct nlattr *flags[NL80211_STA_FLAG_MAX + 1];
4669 * Try parsing the new attribute first so userspace
4670 * can specify both for older kernels.
4672 nla = info->attrs[NL80211_ATTR_STA_FLAGS2];
4674 struct nl80211_sta_flag_update *sta_flags;
4676 sta_flags = nla_data(nla);
4677 params->sta_flags_mask = sta_flags->mask;
4678 params->sta_flags_set = sta_flags->set;
4679 params->sta_flags_set &= params->sta_flags_mask;
4680 if ((params->sta_flags_mask |
4681 params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID))
4686 /* if present, parse the old attribute */
4688 nla = info->attrs[NL80211_ATTR_STA_FLAGS];
4692 if (nla_parse_nested_deprecated(flags, NL80211_STA_FLAG_MAX, nla, sta_flags_policy, info->extack))
4696 * Only allow certain flags for interface types so that
4697 * other attributes are silently ignored. Remember that
4698 * this is backward compatibility code with old userspace
4699 * and shouldn't be hit in other cases anyway.
4702 case NL80211_IFTYPE_AP:
4703 case NL80211_IFTYPE_AP_VLAN:
4704 case NL80211_IFTYPE_P2P_GO:
4705 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
4706 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
4707 BIT(NL80211_STA_FLAG_WME) |
4708 BIT(NL80211_STA_FLAG_MFP);
4710 case NL80211_IFTYPE_P2P_CLIENT:
4711 case NL80211_IFTYPE_STATION:
4712 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
4713 BIT(NL80211_STA_FLAG_TDLS_PEER);
4715 case NL80211_IFTYPE_MESH_POINT:
4716 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
4717 BIT(NL80211_STA_FLAG_MFP) |
4718 BIT(NL80211_STA_FLAG_AUTHORIZED);
4724 for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) {
4726 params->sta_flags_set |= (1<<flag);
4728 /* no longer support new API additions in old API */
4729 if (flag > NL80211_STA_FLAG_MAX_OLD_API)
4737 bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, int attr)
4739 struct nlattr *rate;
4742 enum nl80211_rate_info rate_flg;
4744 rate = nla_nest_start_noflag(msg, attr);
4748 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
4749 bitrate = cfg80211_calculate_bitrate(info);
4750 /* report 16-bit bitrate only if we can */
4751 bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0;
4753 nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate))
4755 if (bitrate_compat > 0 &&
4756 nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat))
4760 case RATE_INFO_BW_5:
4761 rate_flg = NL80211_RATE_INFO_5_MHZ_WIDTH;
4763 case RATE_INFO_BW_10:
4764 rate_flg = NL80211_RATE_INFO_10_MHZ_WIDTH;
4769 case RATE_INFO_BW_20:
4772 case RATE_INFO_BW_40:
4773 rate_flg = NL80211_RATE_INFO_40_MHZ_WIDTH;
4775 case RATE_INFO_BW_80:
4776 rate_flg = NL80211_RATE_INFO_80_MHZ_WIDTH;
4778 case RATE_INFO_BW_160:
4779 rate_flg = NL80211_RATE_INFO_160_MHZ_WIDTH;
4781 case RATE_INFO_BW_HE_RU:
4783 WARN_ON(!(info->flags & RATE_INFO_FLAGS_HE_MCS));
4786 if (rate_flg && nla_put_flag(msg, rate_flg))
4789 if (info->flags & RATE_INFO_FLAGS_MCS) {
4790 if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs))
4792 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
4793 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
4795 } else if (info->flags & RATE_INFO_FLAGS_VHT_MCS) {
4796 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_MCS, info->mcs))
4798 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss))
4800 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
4801 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
4803 } else if (info->flags & RATE_INFO_FLAGS_HE_MCS) {
4804 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_MCS, info->mcs))
4806 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_NSS, info->nss))
4808 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_GI, info->he_gi))
4810 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_DCM, info->he_dcm))
4812 if (info->bw == RATE_INFO_BW_HE_RU &&
4813 nla_put_u8(msg, NL80211_RATE_INFO_HE_RU_ALLOC,
4818 nla_nest_end(msg, rate);
4822 static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal,
4831 attr = nla_nest_start_noflag(msg, id);
4835 for (i = 0; i < IEEE80211_MAX_CHAINS; i++) {
4836 if (!(mask & BIT(i)))
4839 if (nla_put_u8(msg, i, signal[i]))
4843 nla_nest_end(msg, attr);
4848 static int nl80211_send_station(struct sk_buff *msg, u32 cmd, u32 portid,
4850 struct cfg80211_registered_device *rdev,
4851 struct net_device *dev,
4852 const u8 *mac_addr, struct station_info *sinfo)
4855 struct nlattr *sinfoattr, *bss_param;
4857 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
4861 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
4862 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
4863 nla_put_u32(msg, NL80211_ATTR_GENERATION, sinfo->generation))
4864 goto nla_put_failure;
4866 sinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_STA_INFO);
4868 goto nla_put_failure;
4870 #define PUT_SINFO(attr, memb, type) do { \
4871 BUILD_BUG_ON(sizeof(type) == sizeof(u64)); \
4872 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \
4873 nla_put_ ## type(msg, NL80211_STA_INFO_ ## attr, \
4875 goto nla_put_failure; \
4877 #define PUT_SINFO_U64(attr, memb) do { \
4878 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \
4879 nla_put_u64_64bit(msg, NL80211_STA_INFO_ ## attr, \
4880 sinfo->memb, NL80211_STA_INFO_PAD)) \
4881 goto nla_put_failure; \
4884 PUT_SINFO(CONNECTED_TIME, connected_time, u32);
4885 PUT_SINFO(INACTIVE_TIME, inactive_time, u32);
4887 if (sinfo->filled & (BIT_ULL(NL80211_STA_INFO_RX_BYTES) |
4888 BIT_ULL(NL80211_STA_INFO_RX_BYTES64)) &&
4889 nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES,
4890 (u32)sinfo->rx_bytes))
4891 goto nla_put_failure;
4893 if (sinfo->filled & (BIT_ULL(NL80211_STA_INFO_TX_BYTES) |
4894 BIT_ULL(NL80211_STA_INFO_TX_BYTES64)) &&
4895 nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES,
4896 (u32)sinfo->tx_bytes))
4897 goto nla_put_failure;
4899 PUT_SINFO_U64(RX_BYTES64, rx_bytes);
4900 PUT_SINFO_U64(TX_BYTES64, tx_bytes);
4901 PUT_SINFO(LLID, llid, u16);
4902 PUT_SINFO(PLID, plid, u16);
4903 PUT_SINFO(PLINK_STATE, plink_state, u8);
4904 PUT_SINFO_U64(RX_DURATION, rx_duration);
4905 PUT_SINFO_U64(TX_DURATION, tx_duration);
4907 if (wiphy_ext_feature_isset(&rdev->wiphy,
4908 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
4909 PUT_SINFO(AIRTIME_WEIGHT, airtime_weight, u16);
4911 switch (rdev->wiphy.signal_type) {
4912 case CFG80211_SIGNAL_TYPE_MBM:
4913 PUT_SINFO(SIGNAL, signal, u8);
4914 PUT_SINFO(SIGNAL_AVG, signal_avg, u8);
4919 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL)) {
4920 if (!nl80211_put_signal(msg, sinfo->chains,
4921 sinfo->chain_signal,
4922 NL80211_STA_INFO_CHAIN_SIGNAL))
4923 goto nla_put_failure;
4925 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) {
4926 if (!nl80211_put_signal(msg, sinfo->chains,
4927 sinfo->chain_signal_avg,
4928 NL80211_STA_INFO_CHAIN_SIGNAL_AVG))
4929 goto nla_put_failure;
4931 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_TX_BITRATE)) {
4932 if (!nl80211_put_sta_rate(msg, &sinfo->txrate,
4933 NL80211_STA_INFO_TX_BITRATE))
4934 goto nla_put_failure;
4936 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_RX_BITRATE)) {
4937 if (!nl80211_put_sta_rate(msg, &sinfo->rxrate,
4938 NL80211_STA_INFO_RX_BITRATE))
4939 goto nla_put_failure;
4942 PUT_SINFO(RX_PACKETS, rx_packets, u32);
4943 PUT_SINFO(TX_PACKETS, tx_packets, u32);
4944 PUT_SINFO(TX_RETRIES, tx_retries, u32);
4945 PUT_SINFO(TX_FAILED, tx_failed, u32);
4946 PUT_SINFO(EXPECTED_THROUGHPUT, expected_throughput, u32);
4947 PUT_SINFO(AIRTIME_LINK_METRIC, airtime_link_metric, u32);
4948 PUT_SINFO(BEACON_LOSS, beacon_loss_count, u32);
4949 PUT_SINFO(LOCAL_PM, local_pm, u32);
4950 PUT_SINFO(PEER_PM, peer_pm, u32);
4951 PUT_SINFO(NONPEER_PM, nonpeer_pm, u32);
4952 PUT_SINFO(CONNECTED_TO_GATE, connected_to_gate, u8);
4954 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_BSS_PARAM)) {
4955 bss_param = nla_nest_start_noflag(msg,
4956 NL80211_STA_INFO_BSS_PARAM);
4958 goto nla_put_failure;
4960 if (((sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) &&
4961 nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) ||
4962 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) &&
4963 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) ||
4964 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) &&
4965 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) ||
4966 nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD,
4967 sinfo->bss_param.dtim_period) ||
4968 nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL,
4969 sinfo->bss_param.beacon_interval))
4970 goto nla_put_failure;
4972 nla_nest_end(msg, bss_param);
4974 if ((sinfo->filled & BIT_ULL(NL80211_STA_INFO_STA_FLAGS)) &&
4975 nla_put(msg, NL80211_STA_INFO_STA_FLAGS,
4976 sizeof(struct nl80211_sta_flag_update),
4978 goto nla_put_failure;
4980 PUT_SINFO_U64(T_OFFSET, t_offset);
4981 PUT_SINFO_U64(RX_DROP_MISC, rx_dropped_misc);
4982 PUT_SINFO_U64(BEACON_RX, rx_beacon);
4983 PUT_SINFO(BEACON_SIGNAL_AVG, rx_beacon_signal_avg, u8);
4984 PUT_SINFO(RX_MPDUS, rx_mpdu_count, u32);
4985 PUT_SINFO(FCS_ERROR_COUNT, fcs_err_count, u32);
4986 if (wiphy_ext_feature_isset(&rdev->wiphy,
4987 NL80211_EXT_FEATURE_ACK_SIGNAL_SUPPORT)) {
4988 PUT_SINFO(ACK_SIGNAL, ack_signal, u8);
4989 PUT_SINFO(ACK_SIGNAL_AVG, avg_ack_signal, s8);
4993 #undef PUT_SINFO_U64
4995 if (sinfo->pertid) {
4996 struct nlattr *tidsattr;
4999 tidsattr = nla_nest_start_noflag(msg,
5000 NL80211_STA_INFO_TID_STATS);
5002 goto nla_put_failure;
5004 for (tid = 0; tid < IEEE80211_NUM_TIDS + 1; tid++) {
5005 struct cfg80211_tid_stats *tidstats;
5006 struct nlattr *tidattr;
5008 tidstats = &sinfo->pertid[tid];
5010 if (!tidstats->filled)
5013 tidattr = nla_nest_start_noflag(msg, tid + 1);
5015 goto nla_put_failure;
5017 #define PUT_TIDVAL_U64(attr, memb) do { \
5018 if (tidstats->filled & BIT(NL80211_TID_STATS_ ## attr) && \
5019 nla_put_u64_64bit(msg, NL80211_TID_STATS_ ## attr, \
5020 tidstats->memb, NL80211_TID_STATS_PAD)) \
5021 goto nla_put_failure; \
5024 PUT_TIDVAL_U64(RX_MSDU, rx_msdu);
5025 PUT_TIDVAL_U64(TX_MSDU, tx_msdu);
5026 PUT_TIDVAL_U64(TX_MSDU_RETRIES, tx_msdu_retries);
5027 PUT_TIDVAL_U64(TX_MSDU_FAILED, tx_msdu_failed);
5029 #undef PUT_TIDVAL_U64
5030 if ((tidstats->filled &
5031 BIT(NL80211_TID_STATS_TXQ_STATS)) &&
5032 !nl80211_put_txq_stats(msg, &tidstats->txq_stats,
5033 NL80211_TID_STATS_TXQ_STATS))
5034 goto nla_put_failure;
5036 nla_nest_end(msg, tidattr);
5039 nla_nest_end(msg, tidsattr);
5042 nla_nest_end(msg, sinfoattr);
5044 if (sinfo->assoc_req_ies_len &&
5045 nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len,
5046 sinfo->assoc_req_ies))
5047 goto nla_put_failure;
5049 cfg80211_sinfo_release_content(sinfo);
5050 genlmsg_end(msg, hdr);
5054 cfg80211_sinfo_release_content(sinfo);
5055 genlmsg_cancel(msg, hdr);
5059 static int nl80211_dump_station(struct sk_buff *skb,
5060 struct netlink_callback *cb)
5062 struct station_info sinfo;
5063 struct cfg80211_registered_device *rdev;
5064 struct wireless_dev *wdev;
5065 u8 mac_addr[ETH_ALEN];
5066 int sta_idx = cb->args[2];
5070 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
5074 if (!wdev->netdev) {
5079 if (!rdev->ops->dump_station) {
5085 memset(&sinfo, 0, sizeof(sinfo));
5086 err = rdev_dump_station(rdev, wdev->netdev, sta_idx,
5093 if (nl80211_send_station(skb, NL80211_CMD_NEW_STATION,
5094 NETLINK_CB(cb->skb).portid,
5095 cb->nlh->nlmsg_seq, NLM_F_MULTI,
5096 rdev, wdev->netdev, mac_addr,
5104 cb->args[2] = sta_idx;
5112 static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info)
5114 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5115 struct net_device *dev = info->user_ptr[1];
5116 struct station_info sinfo;
5117 struct sk_buff *msg;
5118 u8 *mac_addr = NULL;
5121 memset(&sinfo, 0, sizeof(sinfo));
5123 if (!info->attrs[NL80211_ATTR_MAC])
5126 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
5128 if (!rdev->ops->get_station)
5131 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
5135 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
5137 cfg80211_sinfo_release_content(&sinfo);
5141 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION,
5142 info->snd_portid, info->snd_seq, 0,
5143 rdev, dev, mac_addr, &sinfo) < 0) {
5148 return genlmsg_reply(msg, info);
5151 int cfg80211_check_station_change(struct wiphy *wiphy,
5152 struct station_parameters *params,
5153 enum cfg80211_station_type statype)
5155 if (params->listen_interval != -1 &&
5156 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
5159 if (params->support_p2p_ps != -1 &&
5160 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
5164 !(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) &&
5165 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
5168 /* When you run into this, adjust the code below for the new flag */
5169 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
5172 case CFG80211_STA_MESH_PEER_KERNEL:
5173 case CFG80211_STA_MESH_PEER_USER:
5175 * No ignoring the TDLS flag here -- the userspace mesh
5176 * code doesn't have the bug of including TDLS in the
5179 if (params->sta_flags_mask &
5180 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) |
5181 BIT(NL80211_STA_FLAG_MFP) |
5182 BIT(NL80211_STA_FLAG_AUTHORIZED)))
5185 case CFG80211_STA_TDLS_PEER_SETUP:
5186 case CFG80211_STA_TDLS_PEER_ACTIVE:
5187 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
5189 /* ignore since it can't change */
5190 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
5193 /* disallow mesh-specific things */
5194 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION)
5196 if (params->local_pm)
5198 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
5202 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
5203 statype != CFG80211_STA_TDLS_PEER_ACTIVE) {
5204 /* TDLS can't be set, ... */
5205 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
5208 * ... but don't bother the driver with it. This works around
5209 * a hostapd/wpa_supplicant issue -- it always includes the
5210 * TLDS_PEER flag in the mask even for AP mode.
5212 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
5215 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
5216 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
5217 /* reject other things that can't change */
5218 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD)
5220 if (params->sta_modify_mask & STATION_PARAM_APPLY_CAPABILITY)
5222 if (params->supported_rates)
5224 if (params->ext_capab || params->ht_capa || params->vht_capa ||
5229 if (statype != CFG80211_STA_AP_CLIENT &&
5230 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
5236 case CFG80211_STA_AP_MLME_CLIENT:
5237 /* Use this only for authorizing/unauthorizing a station */
5238 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
5241 case CFG80211_STA_AP_CLIENT:
5242 case CFG80211_STA_AP_CLIENT_UNASSOC:
5243 /* accept only the listed bits */
5244 if (params->sta_flags_mask &
5245 ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
5246 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
5247 BIT(NL80211_STA_FLAG_ASSOCIATED) |
5248 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
5249 BIT(NL80211_STA_FLAG_WME) |
5250 BIT(NL80211_STA_FLAG_MFP)))
5253 /* but authenticated/associated only if driver handles it */
5254 if (!(wiphy->features & NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
5255 params->sta_flags_mask &
5256 (BIT(NL80211_STA_FLAG_AUTHENTICATED) |
5257 BIT(NL80211_STA_FLAG_ASSOCIATED)))
5260 case CFG80211_STA_IBSS:
5261 case CFG80211_STA_AP_STA:
5262 /* reject any changes other than AUTHORIZED */
5263 if (params->sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED))
5266 case CFG80211_STA_TDLS_PEER_SETUP:
5267 /* reject any changes other than AUTHORIZED or WME */
5268 if (params->sta_flags_mask & ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
5269 BIT(NL80211_STA_FLAG_WME)))
5271 /* force (at least) rates when authorizing */
5272 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED) &&
5273 !params->supported_rates)
5276 case CFG80211_STA_TDLS_PEER_ACTIVE:
5277 /* reject any changes */
5279 case CFG80211_STA_MESH_PEER_KERNEL:
5280 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
5283 case CFG80211_STA_MESH_PEER_USER:
5284 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION &&
5285 params->plink_action != NL80211_PLINK_ACTION_BLOCK)
5291 * Older kernel versions ignored this attribute entirely, so don't
5292 * reject attempts to update it but mark it as unused instead so the
5293 * driver won't look at the data.
5295 if (statype != CFG80211_STA_AP_CLIENT_UNASSOC &&
5296 statype != CFG80211_STA_TDLS_PEER_SETUP)
5297 params->opmode_notif_used = false;
5301 EXPORT_SYMBOL(cfg80211_check_station_change);
5304 * Get vlan interface making sure it is running and on the right wiphy.
5306 static struct net_device *get_vlan(struct genl_info *info,
5307 struct cfg80211_registered_device *rdev)
5309 struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN];
5310 struct net_device *v;
5316 v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr));
5318 return ERR_PTR(-ENODEV);
5320 if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) {
5325 if (v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
5326 v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
5327 v->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
5332 if (!netif_running(v)) {
5340 return ERR_PTR(ret);
5343 static const struct nla_policy
5344 nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] = {
5345 [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 },
5346 [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 },
5349 static int nl80211_parse_sta_wme(struct genl_info *info,
5350 struct station_parameters *params)
5352 struct nlattr *tb[NL80211_STA_WME_MAX + 1];
5356 /* parse WME attributes if present */
5357 if (!info->attrs[NL80211_ATTR_STA_WME])
5360 nla = info->attrs[NL80211_ATTR_STA_WME];
5361 err = nla_parse_nested_deprecated(tb, NL80211_STA_WME_MAX, nla,
5362 nl80211_sta_wme_policy,
5367 if (tb[NL80211_STA_WME_UAPSD_QUEUES])
5368 params->uapsd_queues = nla_get_u8(
5369 tb[NL80211_STA_WME_UAPSD_QUEUES]);
5370 if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
5373 if (tb[NL80211_STA_WME_MAX_SP])
5374 params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]);
5376 if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
5379 params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD;
5384 static int nl80211_parse_sta_channel_info(struct genl_info *info,
5385 struct station_parameters *params)
5387 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]) {
5388 params->supported_channels =
5389 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
5390 params->supported_channels_len =
5391 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
5393 * Need to include at least one (first channel, number of
5394 * channels) tuple for each subband, and must have proper
5395 * tuples for the rest of the data as well.
5397 if (params->supported_channels_len < 2)
5399 if (params->supported_channels_len % 2)
5403 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]) {
5404 params->supported_oper_classes =
5405 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
5406 params->supported_oper_classes_len =
5407 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
5409 * The value of the Length field of the Supported Operating
5410 * Classes element is between 2 and 253.
5412 if (params->supported_oper_classes_len < 2 ||
5413 params->supported_oper_classes_len > 253)
5419 static int nl80211_set_station_tdls(struct genl_info *info,
5420 struct station_parameters *params)
5423 /* Dummy STA entry gets updated once the peer capabilities are known */
5424 if (info->attrs[NL80211_ATTR_PEER_AID])
5425 params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
5426 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
5428 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
5429 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
5431 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
5432 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
5434 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
5435 params->he_capa_len =
5436 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
5438 if (params->he_capa_len < NL80211_HE_MIN_CAPABILITY_LEN)
5442 err = nl80211_parse_sta_channel_info(info, params);
5446 return nl80211_parse_sta_wme(info, params);
5449 static int nl80211_parse_sta_txpower_setting(struct genl_info *info,
5450 struct station_parameters *params)
5452 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5455 if (info->attrs[NL80211_ATTR_STA_TX_POWER_SETTING]) {
5456 if (!rdev->ops->set_tx_power ||
5457 !wiphy_ext_feature_isset(&rdev->wiphy,
5458 NL80211_EXT_FEATURE_STA_TX_PWR))
5461 idx = NL80211_ATTR_STA_TX_POWER_SETTING;
5462 params->txpwr.type = nla_get_u8(info->attrs[idx]);
5464 if (params->txpwr.type == NL80211_TX_POWER_LIMITED) {
5465 idx = NL80211_ATTR_STA_TX_POWER;
5467 if (info->attrs[idx])
5468 params->txpwr.power =
5469 nla_get_s16(info->attrs[idx]);
5473 params->sta_modify_mask |= STATION_PARAM_APPLY_STA_TXPOWER;
5479 static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
5481 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5482 struct net_device *dev = info->user_ptr[1];
5483 struct station_parameters params;
5487 memset(¶ms, 0, sizeof(params));
5489 if (!rdev->ops->change_station)
5493 * AID and listen_interval properties can be set only for unassociated
5494 * station. Include these parameters here and will check them in
5495 * cfg80211_check_station_change().
5497 if (info->attrs[NL80211_ATTR_STA_AID])
5498 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
5500 if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
5501 params.listen_interval =
5502 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
5504 params.listen_interval = -1;
5506 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS])
5507 params.support_p2p_ps =
5508 nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
5510 params.support_p2p_ps = -1;
5512 if (!info->attrs[NL80211_ATTR_MAC])
5515 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
5517 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) {
5518 params.supported_rates =
5519 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
5520 params.supported_rates_len =
5521 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
5524 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
5526 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
5527 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
5530 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
5532 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
5533 params.ext_capab_len =
5534 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
5537 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
5540 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
5541 params.plink_action =
5542 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
5544 if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) {
5545 params.plink_state =
5546 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]);
5547 if (info->attrs[NL80211_ATTR_MESH_PEER_AID])
5548 params.peer_aid = nla_get_u16(
5549 info->attrs[NL80211_ATTR_MESH_PEER_AID]);
5550 params.sta_modify_mask |= STATION_PARAM_APPLY_PLINK_STATE;
5553 if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE])
5554 params.local_pm = nla_get_u32(
5555 info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]);
5557 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
5558 params.opmode_notif_used = true;
5559 params.opmode_notif =
5560 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
5563 if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
5564 params.airtime_weight =
5565 nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
5567 if (params.airtime_weight &&
5568 !wiphy_ext_feature_isset(&rdev->wiphy,
5569 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
5572 err = nl80211_parse_sta_txpower_setting(info, ¶ms);
5576 /* Include parameters for TDLS peer (will check later) */
5577 err = nl80211_set_station_tdls(info, ¶ms);
5581 params.vlan = get_vlan(info, rdev);
5582 if (IS_ERR(params.vlan))
5583 return PTR_ERR(params.vlan);
5585 switch (dev->ieee80211_ptr->iftype) {
5586 case NL80211_IFTYPE_AP:
5587 case NL80211_IFTYPE_AP_VLAN:
5588 case NL80211_IFTYPE_P2P_GO:
5589 case NL80211_IFTYPE_P2P_CLIENT:
5590 case NL80211_IFTYPE_STATION:
5591 case NL80211_IFTYPE_ADHOC:
5592 case NL80211_IFTYPE_MESH_POINT:
5599 /* driver will call cfg80211_check_station_change() */
5600 err = rdev_change_station(rdev, dev, mac_addr, ¶ms);
5604 dev_put(params.vlan);
5609 static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
5611 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5613 struct net_device *dev = info->user_ptr[1];
5614 struct station_parameters params;
5615 u8 *mac_addr = NULL;
5616 u32 auth_assoc = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
5617 BIT(NL80211_STA_FLAG_ASSOCIATED);
5619 memset(¶ms, 0, sizeof(params));
5621 if (!rdev->ops->add_station)
5624 if (!info->attrs[NL80211_ATTR_MAC])
5627 if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
5630 if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES])
5633 if (!info->attrs[NL80211_ATTR_STA_AID] &&
5634 !info->attrs[NL80211_ATTR_PEER_AID])
5637 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
5638 params.supported_rates =
5639 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
5640 params.supported_rates_len =
5641 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
5642 params.listen_interval =
5643 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
5645 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]) {
5646 params.support_p2p_ps =
5647 nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
5650 * if not specified, assume it's supported for P2P GO interface,
5651 * and is NOT supported for AP interface
5653 params.support_p2p_ps =
5654 dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO;
5657 if (info->attrs[NL80211_ATTR_PEER_AID])
5658 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
5660 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
5662 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
5664 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
5665 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
5668 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
5670 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
5671 params.ext_capab_len =
5672 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
5675 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
5677 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
5679 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
5681 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
5683 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
5685 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
5686 params.he_capa_len =
5687 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
5689 /* max len is validated in nla policy */
5690 if (params.he_capa_len < NL80211_HE_MIN_CAPABILITY_LEN)
5694 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
5695 params.opmode_notif_used = true;
5696 params.opmode_notif =
5697 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
5700 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
5701 params.plink_action =
5702 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
5704 if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
5705 params.airtime_weight =
5706 nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
5708 if (params.airtime_weight &&
5709 !wiphy_ext_feature_isset(&rdev->wiphy,
5710 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
5713 err = nl80211_parse_sta_txpower_setting(info, ¶ms);
5717 err = nl80211_parse_sta_channel_info(info, ¶ms);
5721 err = nl80211_parse_sta_wme(info, ¶ms);
5725 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
5728 /* HT/VHT requires QoS, but if we don't have that just ignore HT/VHT
5729 * as userspace might just pass through the capabilities from the IEs
5730 * directly, rather than enforcing this restriction and returning an
5731 * error in this case.
5733 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) {
5734 params.ht_capa = NULL;
5735 params.vht_capa = NULL;
5737 /* HE requires WME */
5738 if (params.he_capa_len)
5742 /* When you run into this, adjust the code below for the new flag */
5743 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
5745 switch (dev->ieee80211_ptr->iftype) {
5746 case NL80211_IFTYPE_AP:
5747 case NL80211_IFTYPE_AP_VLAN:
5748 case NL80211_IFTYPE_P2P_GO:
5749 /* ignore WME attributes if iface/sta is not capable */
5750 if (!(rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) ||
5751 !(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME)))
5752 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
5754 /* TDLS peers cannot be added */
5755 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
5756 info->attrs[NL80211_ATTR_PEER_AID])
5758 /* but don't bother the driver with it */
5759 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
5761 /* allow authenticated/associated only if driver handles it */
5762 if (!(rdev->wiphy.features &
5763 NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
5764 params.sta_flags_mask & auth_assoc)
5767 /* Older userspace, or userspace wanting to be compatible with
5768 * !NL80211_FEATURE_FULL_AP_CLIENT_STATE, will not set the auth
5769 * and assoc flags in the mask, but assumes the station will be
5770 * added as associated anyway since this was the required driver
5771 * behaviour before NL80211_FEATURE_FULL_AP_CLIENT_STATE was
5773 * In order to not bother drivers with this quirk in the API
5774 * set the flags in both the mask and set for new stations in
5777 if (!(params.sta_flags_mask & auth_assoc)) {
5778 params.sta_flags_mask |= auth_assoc;
5779 params.sta_flags_set |= auth_assoc;
5782 /* must be last in here for error handling */
5783 params.vlan = get_vlan(info, rdev);
5784 if (IS_ERR(params.vlan))
5785 return PTR_ERR(params.vlan);
5787 case NL80211_IFTYPE_MESH_POINT:
5788 /* ignore uAPSD data */
5789 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
5791 /* associated is disallowed */
5792 if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED))
5794 /* TDLS peers cannot be added */
5795 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
5796 info->attrs[NL80211_ATTR_PEER_AID])
5799 case NL80211_IFTYPE_STATION:
5800 case NL80211_IFTYPE_P2P_CLIENT:
5801 /* ignore uAPSD data */
5802 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
5804 /* these are disallowed */
5805 if (params.sta_flags_mask &
5806 (BIT(NL80211_STA_FLAG_ASSOCIATED) |
5807 BIT(NL80211_STA_FLAG_AUTHENTICATED)))
5809 /* Only TDLS peers can be added */
5810 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
5812 /* Can only add if TDLS ... */
5813 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS))
5815 /* ... with external setup is supported */
5816 if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
5819 * Older wpa_supplicant versions always mark the TDLS peer
5820 * as authorized, but it shouldn't yet be.
5822 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_AUTHORIZED);
5828 /* be aware of params.vlan when changing code here */
5830 err = rdev_add_station(rdev, dev, mac_addr, ¶ms);
5833 dev_put(params.vlan);
5837 static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info)
5839 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5840 struct net_device *dev = info->user_ptr[1];
5841 struct station_del_parameters params;
5843 memset(¶ms, 0, sizeof(params));
5845 if (info->attrs[NL80211_ATTR_MAC])
5846 params.mac = nla_data(info->attrs[NL80211_ATTR_MAC]);
5848 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
5849 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
5850 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
5851 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5854 if (!rdev->ops->del_station)
5857 if (info->attrs[NL80211_ATTR_MGMT_SUBTYPE]) {
5859 nla_get_u8(info->attrs[NL80211_ATTR_MGMT_SUBTYPE]);
5860 if (params.subtype != IEEE80211_STYPE_DISASSOC >> 4 &&
5861 params.subtype != IEEE80211_STYPE_DEAUTH >> 4)
5864 /* Default to Deauthentication frame */
5865 params.subtype = IEEE80211_STYPE_DEAUTH >> 4;
5868 if (info->attrs[NL80211_ATTR_REASON_CODE]) {
5869 params.reason_code =
5870 nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
5871 if (params.reason_code == 0)
5872 return -EINVAL; /* 0 is reserved */
5874 /* Default to reason code 2 */
5875 params.reason_code = WLAN_REASON_PREV_AUTH_NOT_VALID;
5878 return rdev_del_station(rdev, dev, ¶ms);
5881 static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq,
5882 int flags, struct net_device *dev,
5883 u8 *dst, u8 *next_hop,
5884 struct mpath_info *pinfo)
5887 struct nlattr *pinfoattr;
5889 hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_MPATH);
5893 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
5894 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
5895 nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) ||
5896 nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation))
5897 goto nla_put_failure;
5899 pinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_MPATH_INFO);
5901 goto nla_put_failure;
5902 if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) &&
5903 nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN,
5905 goto nla_put_failure;
5906 if (((pinfo->filled & MPATH_INFO_SN) &&
5907 nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) ||
5908 ((pinfo->filled & MPATH_INFO_METRIC) &&
5909 nla_put_u32(msg, NL80211_MPATH_INFO_METRIC,
5911 ((pinfo->filled & MPATH_INFO_EXPTIME) &&
5912 nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME,
5914 ((pinfo->filled & MPATH_INFO_FLAGS) &&
5915 nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS,
5917 ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) &&
5918 nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT,
5919 pinfo->discovery_timeout)) ||
5920 ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) &&
5921 nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES,
5922 pinfo->discovery_retries)) ||
5923 ((pinfo->filled & MPATH_INFO_HOP_COUNT) &&
5924 nla_put_u8(msg, NL80211_MPATH_INFO_HOP_COUNT,
5925 pinfo->hop_count)) ||
5926 ((pinfo->filled & MPATH_INFO_PATH_CHANGE) &&
5927 nla_put_u32(msg, NL80211_MPATH_INFO_PATH_CHANGE,
5928 pinfo->path_change_count)))
5929 goto nla_put_failure;
5931 nla_nest_end(msg, pinfoattr);
5933 genlmsg_end(msg, hdr);
5937 genlmsg_cancel(msg, hdr);
5941 static int nl80211_dump_mpath(struct sk_buff *skb,
5942 struct netlink_callback *cb)
5944 struct mpath_info pinfo;
5945 struct cfg80211_registered_device *rdev;
5946 struct wireless_dev *wdev;
5948 u8 next_hop[ETH_ALEN];
5949 int path_idx = cb->args[2];
5953 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
5957 if (!rdev->ops->dump_mpath) {
5962 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
5968 err = rdev_dump_mpath(rdev, wdev->netdev, path_idx, dst,
5975 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
5976 cb->nlh->nlmsg_seq, NLM_F_MULTI,
5977 wdev->netdev, dst, next_hop,
5985 cb->args[2] = path_idx;
5992 static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info)
5994 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5996 struct net_device *dev = info->user_ptr[1];
5997 struct mpath_info pinfo;
5998 struct sk_buff *msg;
6000 u8 next_hop[ETH_ALEN];
6002 memset(&pinfo, 0, sizeof(pinfo));
6004 if (!info->attrs[NL80211_ATTR_MAC])
6007 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6009 if (!rdev->ops->get_mpath)
6012 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6015 err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo);
6019 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6023 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
6024 dev, dst, next_hop, &pinfo) < 0) {
6029 return genlmsg_reply(msg, info);
6032 static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info)
6034 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6035 struct net_device *dev = info->user_ptr[1];
6037 u8 *next_hop = NULL;
6039 if (!info->attrs[NL80211_ATTR_MAC])
6042 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
6045 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6046 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
6048 if (!rdev->ops->change_mpath)
6051 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6054 return rdev_change_mpath(rdev, dev, dst, next_hop);
6057 static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info)
6059 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6060 struct net_device *dev = info->user_ptr[1];
6062 u8 *next_hop = NULL;
6064 if (!info->attrs[NL80211_ATTR_MAC])
6067 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
6070 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6071 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
6073 if (!rdev->ops->add_mpath)
6076 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6079 return rdev_add_mpath(rdev, dev, dst, next_hop);
6082 static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info)
6084 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6085 struct net_device *dev = info->user_ptr[1];
6088 if (info->attrs[NL80211_ATTR_MAC])
6089 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6091 if (!rdev->ops->del_mpath)
6094 return rdev_del_mpath(rdev, dev, dst);
6097 static int nl80211_get_mpp(struct sk_buff *skb, struct genl_info *info)
6099 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6101 struct net_device *dev = info->user_ptr[1];
6102 struct mpath_info pinfo;
6103 struct sk_buff *msg;
6107 memset(&pinfo, 0, sizeof(pinfo));
6109 if (!info->attrs[NL80211_ATTR_MAC])
6112 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6114 if (!rdev->ops->get_mpp)
6117 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6120 err = rdev_get_mpp(rdev, dev, dst, mpp, &pinfo);
6124 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6128 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
6129 dev, dst, mpp, &pinfo) < 0) {
6134 return genlmsg_reply(msg, info);
6137 static int nl80211_dump_mpp(struct sk_buff *skb,
6138 struct netlink_callback *cb)
6140 struct mpath_info pinfo;
6141 struct cfg80211_registered_device *rdev;
6142 struct wireless_dev *wdev;
6145 int path_idx = cb->args[2];
6149 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
6153 if (!rdev->ops->dump_mpp) {
6158 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
6164 err = rdev_dump_mpp(rdev, wdev->netdev, path_idx, dst,
6171 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
6172 cb->nlh->nlmsg_seq, NLM_F_MULTI,
6173 wdev->netdev, dst, mpp,
6181 cb->args[2] = path_idx;
6188 static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
6190 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6191 struct net_device *dev = info->user_ptr[1];
6192 struct wireless_dev *wdev = dev->ieee80211_ptr;
6193 struct bss_parameters params;
6196 memset(¶ms, 0, sizeof(params));
6197 /* default to not changing parameters */
6198 params.use_cts_prot = -1;
6199 params.use_short_preamble = -1;
6200 params.use_short_slot_time = -1;
6201 params.ap_isolate = -1;
6202 params.ht_opmode = -1;
6203 params.p2p_ctwindow = -1;
6204 params.p2p_opp_ps = -1;
6206 if (info->attrs[NL80211_ATTR_BSS_CTS_PROT])
6207 params.use_cts_prot =
6208 nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]);
6209 if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE])
6210 params.use_short_preamble =
6211 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]);
6212 if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME])
6213 params.use_short_slot_time =
6214 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]);
6215 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
6216 params.basic_rates =
6217 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
6218 params.basic_rates_len =
6219 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
6221 if (info->attrs[NL80211_ATTR_AP_ISOLATE])
6222 params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]);
6223 if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE])
6225 nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]);
6227 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
6228 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
6230 params.p2p_ctwindow =
6231 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
6232 if (params.p2p_ctwindow != 0 &&
6233 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
6237 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
6240 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
6242 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
6243 params.p2p_opp_ps = tmp;
6244 if (params.p2p_opp_ps &&
6245 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
6249 if (!rdev->ops->change_bss)
6252 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
6253 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
6257 err = rdev_change_bss(rdev, dev, ¶ms);
6263 static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
6267 enum nl80211_user_reg_hint_type user_reg_hint_type;
6271 * You should only get this when cfg80211 hasn't yet initialized
6272 * completely when built-in to the kernel right between the time
6273 * window between nl80211_init() and regulatory_init(), if that is
6276 if (unlikely(!rcu_access_pointer(cfg80211_regdomain)))
6277 return -EINPROGRESS;
6279 if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE])
6280 user_reg_hint_type =
6281 nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]);
6283 user_reg_hint_type = NL80211_USER_REG_HINT_USER;
6285 switch (user_reg_hint_type) {
6286 case NL80211_USER_REG_HINT_USER:
6287 case NL80211_USER_REG_HINT_CELL_BASE:
6288 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
6291 data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
6292 return regulatory_hint_user(data, user_reg_hint_type);
6293 case NL80211_USER_REG_HINT_INDOOR:
6294 if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
6295 owner_nlportid = info->snd_portid;
6296 is_indoor = !!info->attrs[NL80211_ATTR_REG_INDOOR];
6302 return regulatory_hint_indoor(is_indoor, owner_nlportid);
6308 static int nl80211_reload_regdb(struct sk_buff *skb, struct genl_info *info)
6310 return reg_reload_regdb();
6313 static int nl80211_get_mesh_config(struct sk_buff *skb,
6314 struct genl_info *info)
6316 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6317 struct net_device *dev = info->user_ptr[1];
6318 struct wireless_dev *wdev = dev->ieee80211_ptr;
6319 struct mesh_config cur_params;
6322 struct nlattr *pinfoattr;
6323 struct sk_buff *msg;
6325 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
6328 if (!rdev->ops->get_mesh_config)
6332 /* If not connected, get default parameters */
6333 if (!wdev->mesh_id_len)
6334 memcpy(&cur_params, &default_mesh_config, sizeof(cur_params));
6336 err = rdev_get_mesh_config(rdev, dev, &cur_params);
6342 /* Draw up a netlink message to send back */
6343 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6346 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
6347 NL80211_CMD_GET_MESH_CONFIG);
6350 pinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_MESH_CONFIG);
6352 goto nla_put_failure;
6353 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
6354 nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT,
6355 cur_params.dot11MeshRetryTimeout) ||
6356 nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT,
6357 cur_params.dot11MeshConfirmTimeout) ||
6358 nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT,
6359 cur_params.dot11MeshHoldingTimeout) ||
6360 nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
6361 cur_params.dot11MeshMaxPeerLinks) ||
6362 nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES,
6363 cur_params.dot11MeshMaxRetries) ||
6364 nla_put_u8(msg, NL80211_MESHCONF_TTL,
6365 cur_params.dot11MeshTTL) ||
6366 nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL,
6367 cur_params.element_ttl) ||
6368 nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
6369 cur_params.auto_open_plinks) ||
6370 nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
6371 cur_params.dot11MeshNbrOffsetMaxNeighbor) ||
6372 nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
6373 cur_params.dot11MeshHWMPmaxPREQretries) ||
6374 nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME,
6375 cur_params.path_refresh_time) ||
6376 nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
6377 cur_params.min_discovery_timeout) ||
6378 nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
6379 cur_params.dot11MeshHWMPactivePathTimeout) ||
6380 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
6381 cur_params.dot11MeshHWMPpreqMinInterval) ||
6382 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
6383 cur_params.dot11MeshHWMPperrMinInterval) ||
6384 nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
6385 cur_params.dot11MeshHWMPnetDiameterTraversalTime) ||
6386 nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE,
6387 cur_params.dot11MeshHWMPRootMode) ||
6388 nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL,
6389 cur_params.dot11MeshHWMPRannInterval) ||
6390 nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
6391 cur_params.dot11MeshGateAnnouncementProtocol) ||
6392 nla_put_u8(msg, NL80211_MESHCONF_FORWARDING,
6393 cur_params.dot11MeshForwarding) ||
6394 nla_put_s32(msg, NL80211_MESHCONF_RSSI_THRESHOLD,
6395 cur_params.rssi_threshold) ||
6396 nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE,
6397 cur_params.ht_opmode) ||
6398 nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
6399 cur_params.dot11MeshHWMPactivePathToRootTimeout) ||
6400 nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
6401 cur_params.dot11MeshHWMProotInterval) ||
6402 nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
6403 cur_params.dot11MeshHWMPconfirmationInterval) ||
6404 nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE,
6405 cur_params.power_mode) ||
6406 nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW,
6407 cur_params.dot11MeshAwakeWindowDuration) ||
6408 nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT,
6409 cur_params.plink_timeout) ||
6410 nla_put_u8(msg, NL80211_MESHCONF_CONNECTED_TO_GATE,
6411 cur_params.dot11MeshConnectedToMeshGate))
6412 goto nla_put_failure;
6413 nla_nest_end(msg, pinfoattr);
6414 genlmsg_end(msg, hdr);
6415 return genlmsg_reply(msg, info);
6423 static const struct nla_policy
6424 nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = {
6425 [NL80211_MESHCONF_RETRY_TIMEOUT] =
6426 NLA_POLICY_RANGE(NLA_U16, 1, 255),
6427 [NL80211_MESHCONF_CONFIRM_TIMEOUT] =
6428 NLA_POLICY_RANGE(NLA_U16, 1, 255),
6429 [NL80211_MESHCONF_HOLDING_TIMEOUT] =
6430 NLA_POLICY_RANGE(NLA_U16, 1, 255),
6431 [NL80211_MESHCONF_MAX_PEER_LINKS] =
6432 NLA_POLICY_RANGE(NLA_U16, 0, 255),
6433 [NL80211_MESHCONF_MAX_RETRIES] = NLA_POLICY_MAX(NLA_U8, 16),
6434 [NL80211_MESHCONF_TTL] = NLA_POLICY_MIN(NLA_U8, 1),
6435 [NL80211_MESHCONF_ELEMENT_TTL] = NLA_POLICY_MIN(NLA_U8, 1),
6436 [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = NLA_POLICY_MAX(NLA_U8, 1),
6437 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] =
6438 NLA_POLICY_RANGE(NLA_U32, 1, 255),
6439 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 },
6440 [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 },
6441 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = NLA_POLICY_MIN(NLA_U16, 1),
6442 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 },
6443 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] =
6444 NLA_POLICY_MIN(NLA_U16, 1),
6445 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] =
6446 NLA_POLICY_MIN(NLA_U16, 1),
6447 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] =
6448 NLA_POLICY_MIN(NLA_U16, 1),
6449 [NL80211_MESHCONF_HWMP_ROOTMODE] = NLA_POLICY_MAX(NLA_U8, 4),
6450 [NL80211_MESHCONF_HWMP_RANN_INTERVAL] =
6451 NLA_POLICY_MIN(NLA_U16, 1),
6452 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = NLA_POLICY_MAX(NLA_U8, 1),
6453 [NL80211_MESHCONF_FORWARDING] = NLA_POLICY_MAX(NLA_U8, 1),
6454 [NL80211_MESHCONF_RSSI_THRESHOLD] =
6455 NLA_POLICY_RANGE(NLA_S32, -255, 0),
6456 [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 },
6457 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 },
6458 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] =
6459 NLA_POLICY_MIN(NLA_U16, 1),
6460 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] =
6461 NLA_POLICY_MIN(NLA_U16, 1),
6462 [NL80211_MESHCONF_POWER_MODE] =
6463 NLA_POLICY_RANGE(NLA_U32,
6464 NL80211_MESH_POWER_ACTIVE,
6465 NL80211_MESH_POWER_MAX),
6466 [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 },
6467 [NL80211_MESHCONF_PLINK_TIMEOUT] = { .type = NLA_U32 },
6468 [NL80211_MESHCONF_CONNECTED_TO_GATE] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
6471 static const struct nla_policy
6472 nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = {
6473 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 },
6474 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 },
6475 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 },
6476 [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG },
6477 [NL80211_MESH_SETUP_AUTH_PROTOCOL] = { .type = NLA_U8 },
6478 [NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG },
6479 [NL80211_MESH_SETUP_IE] =
6480 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
6481 IEEE80211_MAX_DATA_LEN),
6482 [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG },
6485 static int nl80211_parse_mesh_config(struct genl_info *info,
6486 struct mesh_config *cfg,
6489 struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1];
6493 #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, mask, attr, fn) \
6496 cfg->param = fn(tb[attr]); \
6497 mask |= BIT((attr) - 1); \
6501 if (!info->attrs[NL80211_ATTR_MESH_CONFIG])
6503 if (nla_parse_nested_deprecated(tb, NL80211_MESHCONF_ATTR_MAX, info->attrs[NL80211_ATTR_MESH_CONFIG], nl80211_meshconf_params_policy, info->extack))
6506 /* This makes sure that there aren't more than 32 mesh config
6507 * parameters (otherwise our bitfield scheme would not work.) */
6508 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32);
6510 /* Fill in the params struct */
6511 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, mask,
6512 NL80211_MESHCONF_RETRY_TIMEOUT, nla_get_u16);
6513 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, mask,
6514 NL80211_MESHCONF_CONFIRM_TIMEOUT,
6516 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, mask,
6517 NL80211_MESHCONF_HOLDING_TIMEOUT,
6519 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, mask,
6520 NL80211_MESHCONF_MAX_PEER_LINKS,
6522 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, mask,
6523 NL80211_MESHCONF_MAX_RETRIES, nla_get_u8);
6524 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, mask,
6525 NL80211_MESHCONF_TTL, nla_get_u8);
6526 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, mask,
6527 NL80211_MESHCONF_ELEMENT_TTL, nla_get_u8);
6528 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, mask,
6529 NL80211_MESHCONF_AUTO_OPEN_PLINKS,
6531 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor,
6533 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
6535 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, mask,
6536 NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
6538 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, mask,
6539 NL80211_MESHCONF_PATH_REFRESH_TIME,
6541 if (mask & BIT(NL80211_MESHCONF_PATH_REFRESH_TIME) &&
6542 (cfg->path_refresh_time < 1 || cfg->path_refresh_time > 65535))
6544 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, mask,
6545 NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
6547 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout,
6549 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
6551 if (mask & BIT(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT) &&
6552 (cfg->dot11MeshHWMPactivePathTimeout < 1 ||
6553 cfg->dot11MeshHWMPactivePathTimeout > 65535))
6555 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, mask,
6556 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
6558 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval, mask,
6559 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
6561 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
6562 dot11MeshHWMPnetDiameterTraversalTime, mask,
6563 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
6565 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, mask,
6566 NL80211_MESHCONF_HWMP_ROOTMODE, nla_get_u8);
6567 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, mask,
6568 NL80211_MESHCONF_HWMP_RANN_INTERVAL,
6570 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshGateAnnouncementProtocol,
6571 mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
6573 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, mask,
6574 NL80211_MESHCONF_FORWARDING, nla_get_u8);
6575 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, mask,
6576 NL80211_MESHCONF_RSSI_THRESHOLD,
6578 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConnectedToMeshGate, mask,
6579 NL80211_MESHCONF_CONNECTED_TO_GATE,
6582 * Check HT operation mode based on
6583 * IEEE 802.11-2016 9.4.2.57 HT Operation element.
6585 if (tb[NL80211_MESHCONF_HT_OPMODE]) {
6586 ht_opmode = nla_get_u16(tb[NL80211_MESHCONF_HT_OPMODE]);
6588 if (ht_opmode & ~(IEEE80211_HT_OP_MODE_PROTECTION |
6589 IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT |
6590 IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT))
6593 /* NON_HT_STA bit is reserved, but some programs set it */
6594 ht_opmode &= ~IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT;
6596 cfg->ht_opmode = ht_opmode;
6597 mask |= (1 << (NL80211_MESHCONF_HT_OPMODE - 1));
6599 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
6600 dot11MeshHWMPactivePathToRootTimeout, mask,
6601 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
6603 if (mask & BIT(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT) &&
6604 (cfg->dot11MeshHWMPactivePathToRootTimeout < 1 ||
6605 cfg->dot11MeshHWMPactivePathToRootTimeout > 65535))
6607 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, mask,
6608 NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
6610 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPconfirmationInterval,
6612 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
6614 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode, mask,
6615 NL80211_MESHCONF_POWER_MODE, nla_get_u32);
6616 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration, mask,
6617 NL80211_MESHCONF_AWAKE_WINDOW, nla_get_u16);
6618 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, plink_timeout, mask,
6619 NL80211_MESHCONF_PLINK_TIMEOUT, nla_get_u32);
6625 #undef FILL_IN_MESH_PARAM_IF_SET
6628 static int nl80211_parse_mesh_setup(struct genl_info *info,
6629 struct mesh_setup *setup)
6631 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6632 struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1];
6634 if (!info->attrs[NL80211_ATTR_MESH_SETUP])
6636 if (nla_parse_nested_deprecated(tb, NL80211_MESH_SETUP_ATTR_MAX, info->attrs[NL80211_ATTR_MESH_SETUP], nl80211_mesh_setup_params_policy, info->extack))
6639 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])
6640 setup->sync_method =
6641 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ?
6642 IEEE80211_SYNC_METHOD_VENDOR :
6643 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET;
6645 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])
6646 setup->path_sel_proto =
6647 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ?
6648 IEEE80211_PATH_PROTOCOL_VENDOR :
6649 IEEE80211_PATH_PROTOCOL_HWMP;
6651 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])
6652 setup->path_metric =
6653 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ?
6654 IEEE80211_PATH_METRIC_VENDOR :
6655 IEEE80211_PATH_METRIC_AIRTIME;
6657 if (tb[NL80211_MESH_SETUP_IE]) {
6658 struct nlattr *ieattr =
6659 tb[NL80211_MESH_SETUP_IE];
6660 setup->ie = nla_data(ieattr);
6661 setup->ie_len = nla_len(ieattr);
6663 if (tb[NL80211_MESH_SETUP_USERSPACE_MPM] &&
6664 !(rdev->wiphy.features & NL80211_FEATURE_USERSPACE_MPM))
6666 setup->user_mpm = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_MPM]);
6667 setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]);
6668 setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]);
6669 if (setup->is_secure)
6670 setup->user_mpm = true;
6672 if (tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]) {
6673 if (!setup->user_mpm)
6676 nla_get_u8(tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]);
6682 static int nl80211_update_mesh_config(struct sk_buff *skb,
6683 struct genl_info *info)
6685 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6686 struct net_device *dev = info->user_ptr[1];
6687 struct wireless_dev *wdev = dev->ieee80211_ptr;
6688 struct mesh_config cfg;
6692 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
6695 if (!rdev->ops->update_mesh_config)
6698 err = nl80211_parse_mesh_config(info, &cfg, &mask);
6703 if (!wdev->mesh_id_len)
6707 err = rdev_update_mesh_config(rdev, dev, mask, &cfg);
6714 static int nl80211_put_regdom(const struct ieee80211_regdomain *regdom,
6715 struct sk_buff *msg)
6717 struct nlattr *nl_reg_rules;
6720 if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, regdom->alpha2) ||
6721 (regdom->dfs_region &&
6722 nla_put_u8(msg, NL80211_ATTR_DFS_REGION, regdom->dfs_region)))
6723 goto nla_put_failure;
6725 nl_reg_rules = nla_nest_start_noflag(msg, NL80211_ATTR_REG_RULES);
6727 goto nla_put_failure;
6729 for (i = 0; i < regdom->n_reg_rules; i++) {
6730 struct nlattr *nl_reg_rule;
6731 const struct ieee80211_reg_rule *reg_rule;
6732 const struct ieee80211_freq_range *freq_range;
6733 const struct ieee80211_power_rule *power_rule;
6734 unsigned int max_bandwidth_khz;
6736 reg_rule = ®dom->reg_rules[i];
6737 freq_range = ®_rule->freq_range;
6738 power_rule = ®_rule->power_rule;
6740 nl_reg_rule = nla_nest_start_noflag(msg, i);
6742 goto nla_put_failure;
6744 max_bandwidth_khz = freq_range->max_bandwidth_khz;
6745 if (!max_bandwidth_khz)
6746 max_bandwidth_khz = reg_get_max_bandwidth(regdom,
6749 if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS,
6751 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START,
6752 freq_range->start_freq_khz) ||
6753 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END,
6754 freq_range->end_freq_khz) ||
6755 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW,
6756 max_bandwidth_khz) ||
6757 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN,
6758 power_rule->max_antenna_gain) ||
6759 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP,
6760 power_rule->max_eirp) ||
6761 nla_put_u32(msg, NL80211_ATTR_DFS_CAC_TIME,
6762 reg_rule->dfs_cac_ms))
6763 goto nla_put_failure;
6765 nla_nest_end(msg, nl_reg_rule);
6768 nla_nest_end(msg, nl_reg_rules);
6775 static int nl80211_get_reg_do(struct sk_buff *skb, struct genl_info *info)
6777 const struct ieee80211_regdomain *regdom = NULL;
6778 struct cfg80211_registered_device *rdev;
6779 struct wiphy *wiphy = NULL;
6780 struct sk_buff *msg;
6783 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6787 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
6788 NL80211_CMD_GET_REG);
6792 if (info->attrs[NL80211_ATTR_WIPHY]) {
6795 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
6798 return PTR_ERR(rdev);
6801 wiphy = &rdev->wiphy;
6802 self_managed = wiphy->regulatory_flags &
6803 REGULATORY_WIPHY_SELF_MANAGED;
6804 regdom = get_wiphy_regdom(wiphy);
6806 /* a self-managed-reg device must have a private regdom */
6807 if (WARN_ON(!regdom && self_managed)) {
6813 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
6814 goto nla_put_failure;
6817 if (!wiphy && reg_last_request_cell_base() &&
6818 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
6819 NL80211_USER_REG_HINT_CELL_BASE))
6820 goto nla_put_failure;
6825 regdom = rcu_dereference(cfg80211_regdomain);
6827 if (nl80211_put_regdom(regdom, msg))
6828 goto nla_put_failure_rcu;
6832 genlmsg_end(msg, hdr);
6833 return genlmsg_reply(msg, info);
6835 nla_put_failure_rcu:
6843 static int nl80211_send_regdom(struct sk_buff *msg, struct netlink_callback *cb,
6844 u32 seq, int flags, struct wiphy *wiphy,
6845 const struct ieee80211_regdomain *regdom)
6847 void *hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
6848 NL80211_CMD_GET_REG);
6853 genl_dump_check_consistent(cb, hdr);
6855 if (nl80211_put_regdom(regdom, msg))
6856 goto nla_put_failure;
6858 if (!wiphy && reg_last_request_cell_base() &&
6859 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
6860 NL80211_USER_REG_HINT_CELL_BASE))
6861 goto nla_put_failure;
6864 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
6865 goto nla_put_failure;
6867 if (wiphy && wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
6868 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
6869 goto nla_put_failure;
6871 genlmsg_end(msg, hdr);
6875 genlmsg_cancel(msg, hdr);
6879 static int nl80211_get_reg_dump(struct sk_buff *skb,
6880 struct netlink_callback *cb)
6882 const struct ieee80211_regdomain *regdom = NULL;
6883 struct cfg80211_registered_device *rdev;
6884 int err, reg_idx, start = cb->args[2];
6888 if (cfg80211_regdomain && start == 0) {
6889 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
6891 rtnl_dereference(cfg80211_regdomain));
6896 /* the global regdom is idx 0 */
6898 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
6899 regdom = get_wiphy_regdom(&rdev->wiphy);
6903 if (++reg_idx <= start)
6906 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
6907 NLM_F_MULTI, &rdev->wiphy, regdom);
6914 cb->args[2] = reg_idx;
6921 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
6922 static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = {
6923 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
6924 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
6925 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
6926 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
6927 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
6928 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
6929 [NL80211_ATTR_DFS_CAC_TIME] = { .type = NLA_U32 },
6932 static int parse_reg_rule(struct nlattr *tb[],
6933 struct ieee80211_reg_rule *reg_rule)
6935 struct ieee80211_freq_range *freq_range = ®_rule->freq_range;
6936 struct ieee80211_power_rule *power_rule = ®_rule->power_rule;
6938 if (!tb[NL80211_ATTR_REG_RULE_FLAGS])
6940 if (!tb[NL80211_ATTR_FREQ_RANGE_START])
6942 if (!tb[NL80211_ATTR_FREQ_RANGE_END])
6944 if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW])
6946 if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP])
6949 reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]);
6951 freq_range->start_freq_khz =
6952 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]);
6953 freq_range->end_freq_khz =
6954 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]);
6955 freq_range->max_bandwidth_khz =
6956 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]);
6958 power_rule->max_eirp =
6959 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]);
6961 if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN])
6962 power_rule->max_antenna_gain =
6963 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]);
6965 if (tb[NL80211_ATTR_DFS_CAC_TIME])
6966 reg_rule->dfs_cac_ms =
6967 nla_get_u32(tb[NL80211_ATTR_DFS_CAC_TIME]);
6972 static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info)
6974 struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1];
6975 struct nlattr *nl_reg_rule;
6977 int rem_reg_rules, r;
6978 u32 num_rules = 0, rule_idx = 0;
6979 enum nl80211_dfs_regions dfs_region = NL80211_DFS_UNSET;
6980 struct ieee80211_regdomain *rd;
6982 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
6985 if (!info->attrs[NL80211_ATTR_REG_RULES])
6988 alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
6990 if (info->attrs[NL80211_ATTR_DFS_REGION])
6991 dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]);
6993 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
6996 if (num_rules > NL80211_MAX_SUPP_REG_RULES)
7000 if (!reg_is_valid_request(alpha2))
7003 rd = kzalloc(struct_size(rd, reg_rules, num_rules), GFP_KERNEL);
7007 rd->n_reg_rules = num_rules;
7008 rd->alpha2[0] = alpha2[0];
7009 rd->alpha2[1] = alpha2[1];
7012 * Disable DFS master mode if the DFS region was
7013 * not supported or known on this kernel.
7015 if (reg_supported_dfs_region(dfs_region))
7016 rd->dfs_region = dfs_region;
7018 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
7020 r = nla_parse_nested_deprecated(tb, NL80211_REG_RULE_ATTR_MAX,
7021 nl_reg_rule, reg_rule_policy,
7025 r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]);
7031 if (rule_idx > NL80211_MAX_SUPP_REG_RULES) {
7037 /* set_regdom takes ownership of rd */
7038 return set_regdom(rd, REGD_SOURCE_CRDA);
7043 #endif /* CONFIG_CFG80211_CRDA_SUPPORT */
7045 static int validate_scan_freqs(struct nlattr *freqs)
7047 struct nlattr *attr1, *attr2;
7048 int n_channels = 0, tmp1, tmp2;
7050 nla_for_each_nested(attr1, freqs, tmp1)
7051 if (nla_len(attr1) != sizeof(u32))
7054 nla_for_each_nested(attr1, freqs, tmp1) {
7057 * Some hardware has a limited channel list for
7058 * scanning, and it is pretty much nonsensical
7059 * to scan for a channel twice, so disallow that
7060 * and don't require drivers to check that the
7061 * channel list they get isn't longer than what
7062 * they can scan, as long as they can scan all
7063 * the channels they registered at once.
7065 nla_for_each_nested(attr2, freqs, tmp2)
7066 if (attr1 != attr2 &&
7067 nla_get_u32(attr1) == nla_get_u32(attr2))
7074 static bool is_band_valid(struct wiphy *wiphy, enum nl80211_band b)
7076 return b < NUM_NL80211_BANDS && wiphy->bands[b];
7079 static int parse_bss_select(struct nlattr *nla, struct wiphy *wiphy,
7080 struct cfg80211_bss_selection *bss_select)
7082 struct nlattr *attr[NL80211_BSS_SELECT_ATTR_MAX + 1];
7083 struct nlattr *nest;
7088 /* only process one nested attribute */
7089 nest = nla_data(nla);
7090 if (!nla_ok(nest, nla_len(nest)))
7093 err = nla_parse_nested_deprecated(attr, NL80211_BSS_SELECT_ATTR_MAX,
7094 nest, nl80211_bss_select_policy,
7099 /* only one attribute may be given */
7100 for (i = 0; i <= NL80211_BSS_SELECT_ATTR_MAX; i++) {
7108 bss_select->behaviour = __NL80211_BSS_SELECT_ATTR_INVALID;
7110 if (attr[NL80211_BSS_SELECT_ATTR_RSSI])
7111 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI;
7113 if (attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]) {
7114 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_BAND_PREF;
7115 bss_select->param.band_pref =
7116 nla_get_u32(attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]);
7117 if (!is_band_valid(wiphy, bss_select->param.band_pref))
7121 if (attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]) {
7122 struct nl80211_bss_select_rssi_adjust *adj_param;
7124 adj_param = nla_data(attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]);
7125 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI_ADJUST;
7126 bss_select->param.adjust.band = adj_param->band;
7127 bss_select->param.adjust.delta = adj_param->delta;
7128 if (!is_band_valid(wiphy, bss_select->param.adjust.band))
7132 /* user-space did not provide behaviour attribute */
7133 if (bss_select->behaviour == __NL80211_BSS_SELECT_ATTR_INVALID)
7136 if (!(wiphy->bss_select_support & BIT(bss_select->behaviour)))
7142 int nl80211_parse_random_mac(struct nlattr **attrs,
7143 u8 *mac_addr, u8 *mac_addr_mask)
7147 if (!attrs[NL80211_ATTR_MAC] && !attrs[NL80211_ATTR_MAC_MASK]) {
7148 eth_zero_addr(mac_addr);
7149 eth_zero_addr(mac_addr_mask);
7151 mac_addr_mask[0] = 0x3;
7156 /* need both or none */
7157 if (!attrs[NL80211_ATTR_MAC] || !attrs[NL80211_ATTR_MAC_MASK])
7160 memcpy(mac_addr, nla_data(attrs[NL80211_ATTR_MAC]), ETH_ALEN);
7161 memcpy(mac_addr_mask, nla_data(attrs[NL80211_ATTR_MAC_MASK]), ETH_ALEN);
7163 /* don't allow or configure an mcast address */
7164 if (!is_multicast_ether_addr(mac_addr_mask) ||
7165 is_multicast_ether_addr(mac_addr))
7169 * allow users to pass a MAC address that has bits set outside
7170 * of the mask, but don't bother drivers with having to deal
7173 for (i = 0; i < ETH_ALEN; i++)
7174 mac_addr[i] &= mac_addr_mask[i];
7179 static bool cfg80211_off_channel_oper_allowed(struct wireless_dev *wdev)
7181 ASSERT_WDEV_LOCK(wdev);
7183 if (!cfg80211_beaconing_iface_active(wdev))
7186 if (!(wdev->chandef.chan->flags & IEEE80211_CHAN_RADAR))
7189 return regulatory_pre_cac_allowed(wdev->wiphy);
7192 static bool nl80211_check_scan_feat(struct wiphy *wiphy, u32 flags, u32 flag,
7193 enum nl80211_ext_feature_index feat)
7195 if (!(flags & flag))
7197 if (wiphy_ext_feature_isset(wiphy, feat))
7203 nl80211_check_scan_flags(struct wiphy *wiphy, struct wireless_dev *wdev,
7204 void *request, struct nlattr **attrs,
7207 u8 *mac_addr, *mac_addr_mask;
7209 enum nl80211_feature_flags randomness_flag;
7211 if (!attrs[NL80211_ATTR_SCAN_FLAGS])
7214 if (is_sched_scan) {
7215 struct cfg80211_sched_scan_request *req = request;
7217 randomness_flag = wdev ?
7218 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR :
7219 NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
7220 flags = &req->flags;
7221 mac_addr = req->mac_addr;
7222 mac_addr_mask = req->mac_addr_mask;
7224 struct cfg80211_scan_request *req = request;
7226 randomness_flag = NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;
7227 flags = &req->flags;
7228 mac_addr = req->mac_addr;
7229 mac_addr_mask = req->mac_addr_mask;
7232 *flags = nla_get_u32(attrs[NL80211_ATTR_SCAN_FLAGS]);
7234 if (((*flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
7235 !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) ||
7236 !nl80211_check_scan_feat(wiphy, *flags,
7237 NL80211_SCAN_FLAG_LOW_SPAN,
7238 NL80211_EXT_FEATURE_LOW_SPAN_SCAN) ||
7239 !nl80211_check_scan_feat(wiphy, *flags,
7240 NL80211_SCAN_FLAG_LOW_POWER,
7241 NL80211_EXT_FEATURE_LOW_POWER_SCAN) ||
7242 !nl80211_check_scan_feat(wiphy, *flags,
7243 NL80211_SCAN_FLAG_HIGH_ACCURACY,
7244 NL80211_EXT_FEATURE_HIGH_ACCURACY_SCAN) ||
7245 !nl80211_check_scan_feat(wiphy, *flags,
7246 NL80211_SCAN_FLAG_FILS_MAX_CHANNEL_TIME,
7247 NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME) ||
7248 !nl80211_check_scan_feat(wiphy, *flags,
7249 NL80211_SCAN_FLAG_ACCEPT_BCAST_PROBE_RESP,
7250 NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP) ||
7251 !nl80211_check_scan_feat(wiphy, *flags,
7252 NL80211_SCAN_FLAG_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION,
7253 NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION) ||
7254 !nl80211_check_scan_feat(wiphy, *flags,
7255 NL80211_SCAN_FLAG_OCE_PROBE_REQ_HIGH_TX_RATE,
7256 NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE) ||
7257 !nl80211_check_scan_feat(wiphy, *flags,
7258 NL80211_SCAN_FLAG_RANDOM_SN,
7259 NL80211_EXT_FEATURE_SCAN_RANDOM_SN) ||
7260 !nl80211_check_scan_feat(wiphy, *flags,
7261 NL80211_SCAN_FLAG_MIN_PREQ_CONTENT,
7262 NL80211_EXT_FEATURE_SCAN_MIN_PREQ_CONTENT))
7265 if (*flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
7268 if (!(wiphy->features & randomness_flag) ||
7269 (wdev && wdev->current_bss))
7272 err = nl80211_parse_random_mac(attrs, mac_addr, mac_addr_mask);
7280 static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
7282 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7283 struct wireless_dev *wdev = info->user_ptr[1];
7284 struct cfg80211_scan_request *request;
7285 struct nlattr *attr;
7286 struct wiphy *wiphy;
7287 int err, tmp, n_ssids = 0, n_channels, i;
7290 wiphy = &rdev->wiphy;
7292 if (wdev->iftype == NL80211_IFTYPE_NAN)
7295 if (!rdev->ops->scan)
7298 if (rdev->scan_req || rdev->scan_msg) {
7303 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
7304 n_channels = validate_scan_freqs(
7305 info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
7311 n_channels = ieee80211_get_num_supported_channels(wiphy);
7314 if (info->attrs[NL80211_ATTR_SCAN_SSIDS])
7315 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp)
7318 if (n_ssids > wiphy->max_scan_ssids) {
7323 if (info->attrs[NL80211_ATTR_IE])
7324 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
7328 if (ie_len > wiphy->max_scan_ie_len) {
7333 request = kzalloc(sizeof(*request)
7334 + sizeof(*request->ssids) * n_ssids
7335 + sizeof(*request->channels) * n_channels
7336 + ie_len, GFP_KERNEL);
7343 request->ssids = (void *)&request->channels[n_channels];
7344 request->n_ssids = n_ssids;
7347 request->ie = (void *)(request->ssids + n_ssids);
7349 request->ie = (void *)(request->channels + n_channels);
7353 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
7354 /* user specified, bail out if channel not found */
7355 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) {
7356 struct ieee80211_channel *chan;
7358 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
7365 /* ignore disabled channels */
7366 if (chan->flags & IEEE80211_CHAN_DISABLED)
7369 request->channels[i] = chan;
7373 enum nl80211_band band;
7376 for (band = 0; band < NUM_NL80211_BANDS; band++) {
7379 if (!wiphy->bands[band])
7381 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
7382 struct ieee80211_channel *chan;
7384 chan = &wiphy->bands[band]->channels[j];
7386 if (chan->flags & IEEE80211_CHAN_DISABLED)
7389 request->channels[i] = chan;
7400 request->n_channels = i;
7403 if (!cfg80211_off_channel_oper_allowed(wdev)) {
7404 struct ieee80211_channel *chan;
7406 if (request->n_channels != 1) {
7412 chan = request->channels[0];
7413 if (chan->center_freq != wdev->chandef.chan->center_freq) {
7423 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) {
7424 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
7428 request->ssids[i].ssid_len = nla_len(attr);
7429 memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr));
7434 if (info->attrs[NL80211_ATTR_IE]) {
7435 request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
7436 memcpy((void *)request->ie,
7437 nla_data(info->attrs[NL80211_ATTR_IE]),
7441 for (i = 0; i < NUM_NL80211_BANDS; i++)
7442 if (wiphy->bands[i])
7444 (1 << wiphy->bands[i]->n_bitrates) - 1;
7446 if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) {
7447 nla_for_each_nested(attr,
7448 info->attrs[NL80211_ATTR_SCAN_SUPP_RATES],
7450 enum nl80211_band band = nla_type(attr);
7452 if (band < 0 || band >= NUM_NL80211_BANDS) {
7457 if (!wiphy->bands[band])
7460 err = ieee80211_get_ratemask(wiphy->bands[band],
7463 &request->rates[band]);
7469 if (info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]) {
7470 if (!wiphy_ext_feature_isset(wiphy,
7471 NL80211_EXT_FEATURE_SET_SCAN_DWELL)) {
7477 nla_get_u16(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]);
7478 request->duration_mandatory =
7479 nla_get_flag(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY]);
7482 err = nl80211_check_scan_flags(wiphy, wdev, request, info->attrs,
7488 nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
7490 /* Initial implementation used NL80211_ATTR_MAC to set the specific
7491 * BSSID to scan for. This was problematic because that same attribute
7492 * was already used for another purpose (local random MAC address). The
7493 * NL80211_ATTR_BSSID attribute was added to fix this. For backwards
7494 * compatibility with older userspace components, also use the
7495 * NL80211_ATTR_MAC value here if it can be determined to be used for
7496 * the specific BSSID use case instead of the random MAC address
7497 * (NL80211_ATTR_SCAN_FLAGS is used to enable random MAC address use).
7499 if (info->attrs[NL80211_ATTR_BSSID])
7500 memcpy(request->bssid,
7501 nla_data(info->attrs[NL80211_ATTR_BSSID]), ETH_ALEN);
7502 else if (!(request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) &&
7503 info->attrs[NL80211_ATTR_MAC])
7504 memcpy(request->bssid, nla_data(info->attrs[NL80211_ATTR_MAC]),
7507 eth_broadcast_addr(request->bssid);
7509 request->wdev = wdev;
7510 request->wiphy = &rdev->wiphy;
7511 request->scan_start = jiffies;
7513 rdev->scan_req = request;
7514 err = rdev_scan(rdev, request);
7517 nl80211_send_scan_start(rdev, wdev);
7519 dev_hold(wdev->netdev);
7522 rdev->scan_req = NULL;
7530 static int nl80211_abort_scan(struct sk_buff *skb, struct genl_info *info)
7532 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7533 struct wireless_dev *wdev = info->user_ptr[1];
7535 if (!rdev->ops->abort_scan)
7541 if (!rdev->scan_req)
7544 rdev_abort_scan(rdev, wdev);
7549 nl80211_parse_sched_scan_plans(struct wiphy *wiphy, int n_plans,
7550 struct cfg80211_sched_scan_request *request,
7551 struct nlattr **attrs)
7553 int tmp, err, i = 0;
7554 struct nlattr *attr;
7556 if (!attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
7560 * If scan plans are not specified,
7561 * %NL80211_ATTR_SCHED_SCAN_INTERVAL will be specified. In this
7562 * case one scan plan will be set with the specified scan
7563 * interval and infinite number of iterations.
7565 interval = nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]);
7569 request->scan_plans[0].interval =
7570 DIV_ROUND_UP(interval, MSEC_PER_SEC);
7571 if (!request->scan_plans[0].interval)
7574 if (request->scan_plans[0].interval >
7575 wiphy->max_sched_scan_plan_interval)
7576 request->scan_plans[0].interval =
7577 wiphy->max_sched_scan_plan_interval;
7582 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp) {
7583 struct nlattr *plan[NL80211_SCHED_SCAN_PLAN_MAX + 1];
7585 if (WARN_ON(i >= n_plans))
7588 err = nla_parse_nested_deprecated(plan,
7589 NL80211_SCHED_SCAN_PLAN_MAX,
7590 attr, nl80211_plan_policy,
7595 if (!plan[NL80211_SCHED_SCAN_PLAN_INTERVAL])
7598 request->scan_plans[i].interval =
7599 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_INTERVAL]);
7600 if (!request->scan_plans[i].interval ||
7601 request->scan_plans[i].interval >
7602 wiphy->max_sched_scan_plan_interval)
7605 if (plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]) {
7606 request->scan_plans[i].iterations =
7607 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]);
7608 if (!request->scan_plans[i].iterations ||
7609 (request->scan_plans[i].iterations >
7610 wiphy->max_sched_scan_plan_iterations))
7612 } else if (i < n_plans - 1) {
7614 * All scan plans but the last one must specify
7615 * a finite number of iterations
7624 * The last scan plan must not specify the number of
7625 * iterations, it is supposed to run infinitely
7627 if (request->scan_plans[n_plans - 1].iterations)
7634 nl80211_parse_sched_scan_per_band_rssi(struct wiphy *wiphy,
7635 struct cfg80211_match_set *match_sets,
7636 struct nlattr *tb_band_rssi,
7639 struct nlattr *attr;
7640 int i, tmp, ret = 0;
7642 if (!wiphy_ext_feature_isset(wiphy,
7643 NL80211_EXT_FEATURE_SCHED_SCAN_BAND_SPECIFIC_RSSI_THOLD)) {
7647 for (i = 0; i < NUM_NL80211_BANDS; i++)
7648 match_sets->per_band_rssi_thold[i] =
7649 NL80211_SCAN_RSSI_THOLD_OFF;
7653 for (i = 0; i < NUM_NL80211_BANDS; i++)
7654 match_sets->per_band_rssi_thold[i] = rssi_thold;
7656 nla_for_each_nested(attr, tb_band_rssi, tmp) {
7657 enum nl80211_band band = nla_type(attr);
7659 if (band < 0 || band >= NUM_NL80211_BANDS)
7662 match_sets->per_band_rssi_thold[band] = nla_get_s32(attr);
7668 static struct cfg80211_sched_scan_request *
7669 nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev,
7670 struct nlattr **attrs, int max_match_sets)
7672 struct cfg80211_sched_scan_request *request;
7673 struct nlattr *attr;
7674 int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i, n_plans = 0;
7675 enum nl80211_band band;
7677 struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1];
7678 s32 default_match_rssi = NL80211_SCAN_RSSI_THOLD_OFF;
7680 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
7681 n_channels = validate_scan_freqs(
7682 attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
7684 return ERR_PTR(-EINVAL);
7686 n_channels = ieee80211_get_num_supported_channels(wiphy);
7689 if (attrs[NL80211_ATTR_SCAN_SSIDS])
7690 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
7694 if (n_ssids > wiphy->max_sched_scan_ssids)
7695 return ERR_PTR(-EINVAL);
7698 * First, count the number of 'real' matchsets. Due to an issue with
7699 * the old implementation, matchsets containing only the RSSI attribute
7700 * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default'
7701 * RSSI for all matchsets, rather than their own matchset for reporting
7702 * all APs with a strong RSSI. This is needed to be compatible with
7703 * older userspace that treated a matchset with only the RSSI as the
7704 * global RSSI for all other matchsets - if there are other matchsets.
7706 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
7707 nla_for_each_nested(attr,
7708 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
7710 struct nlattr *rssi;
7712 err = nla_parse_nested_deprecated(tb,
7713 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
7715 nl80211_match_policy,
7718 return ERR_PTR(err);
7720 /* SSID and BSSID are mutually exclusive */
7721 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] &&
7722 tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID])
7723 return ERR_PTR(-EINVAL);
7725 /* add other standalone attributes here */
7726 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] ||
7727 tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID]) {
7731 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
7733 default_match_rssi = nla_get_s32(rssi);
7737 /* However, if there's no other matchset, add the RSSI one */
7738 if (!n_match_sets && default_match_rssi != NL80211_SCAN_RSSI_THOLD_OFF)
7741 if (n_match_sets > max_match_sets)
7742 return ERR_PTR(-EINVAL);
7744 if (attrs[NL80211_ATTR_IE])
7745 ie_len = nla_len(attrs[NL80211_ATTR_IE]);
7749 if (ie_len > wiphy->max_sched_scan_ie_len)
7750 return ERR_PTR(-EINVAL);
7752 if (attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
7754 * NL80211_ATTR_SCHED_SCAN_INTERVAL must not be specified since
7755 * each scan plan already specifies its own interval
7757 if (attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
7758 return ERR_PTR(-EINVAL);
7760 nla_for_each_nested(attr,
7761 attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp)
7765 * The scan interval attribute is kept for backward
7766 * compatibility. If no scan plans are specified and sched scan
7767 * interval is specified, one scan plan will be set with this
7768 * scan interval and infinite number of iterations.
7770 if (!attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
7771 return ERR_PTR(-EINVAL);
7776 if (!n_plans || n_plans > wiphy->max_sched_scan_plans)
7777 return ERR_PTR(-EINVAL);
7779 if (!wiphy_ext_feature_isset(
7780 wiphy, NL80211_EXT_FEATURE_SCHED_SCAN_RELATIVE_RSSI) &&
7781 (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] ||
7782 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]))
7783 return ERR_PTR(-EINVAL);
7785 request = kzalloc(sizeof(*request)
7786 + sizeof(*request->ssids) * n_ssids
7787 + sizeof(*request->match_sets) * n_match_sets
7788 + sizeof(*request->scan_plans) * n_plans
7789 + sizeof(*request->channels) * n_channels
7790 + ie_len, GFP_KERNEL);
7792 return ERR_PTR(-ENOMEM);
7795 request->ssids = (void *)&request->channels[n_channels];
7796 request->n_ssids = n_ssids;
7799 request->ie = (void *)(request->ssids + n_ssids);
7801 request->ie = (void *)(request->channels + n_channels);
7806 request->match_sets = (void *)(request->ie + ie_len);
7808 request->match_sets =
7809 (void *)(request->ssids + n_ssids);
7811 request->match_sets =
7812 (void *)(request->channels + n_channels);
7814 request->n_match_sets = n_match_sets;
7817 request->scan_plans = (void *)(request->match_sets +
7819 else if (request->ie)
7820 request->scan_plans = (void *)(request->ie + ie_len);
7822 request->scan_plans = (void *)(request->ssids + n_ssids);
7824 request->scan_plans = (void *)(request->channels + n_channels);
7826 request->n_scan_plans = n_plans;
7829 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
7830 /* user specified, bail out if channel not found */
7831 nla_for_each_nested(attr,
7832 attrs[NL80211_ATTR_SCAN_FREQUENCIES],
7834 struct ieee80211_channel *chan;
7836 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
7843 /* ignore disabled channels */
7844 if (chan->flags & IEEE80211_CHAN_DISABLED)
7847 request->channels[i] = chan;
7852 for (band = 0; band < NUM_NL80211_BANDS; band++) {
7855 if (!wiphy->bands[band])
7857 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
7858 struct ieee80211_channel *chan;
7860 chan = &wiphy->bands[band]->channels[j];
7862 if (chan->flags & IEEE80211_CHAN_DISABLED)
7865 request->channels[i] = chan;
7876 request->n_channels = i;
7880 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
7882 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
7886 request->ssids[i].ssid_len = nla_len(attr);
7887 memcpy(request->ssids[i].ssid, nla_data(attr),
7894 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
7895 nla_for_each_nested(attr,
7896 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
7898 struct nlattr *ssid, *bssid, *rssi;
7900 err = nla_parse_nested_deprecated(tb,
7901 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
7903 nl80211_match_policy,
7907 ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID];
7908 bssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID];
7910 if (!ssid && !bssid) {
7915 if (WARN_ON(i >= n_match_sets)) {
7916 /* this indicates a programming error,
7917 * the loop above should have verified
7925 if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) {
7929 memcpy(request->match_sets[i].ssid.ssid,
7930 nla_data(ssid), nla_len(ssid));
7931 request->match_sets[i].ssid.ssid_len =
7935 if (nla_len(bssid) != ETH_ALEN) {
7939 memcpy(request->match_sets[i].bssid,
7940 nla_data(bssid), ETH_ALEN);
7943 /* special attribute - old implementation w/a */
7944 request->match_sets[i].rssi_thold = default_match_rssi;
7945 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
7947 request->match_sets[i].rssi_thold =
7950 /* Parse per band RSSI attribute */
7951 err = nl80211_parse_sched_scan_per_band_rssi(wiphy,
7952 &request->match_sets[i],
7953 tb[NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI],
7954 request->match_sets[i].rssi_thold);
7961 /* there was no other matchset, so the RSSI one is alone */
7962 if (i == 0 && n_match_sets)
7963 request->match_sets[0].rssi_thold = default_match_rssi;
7965 request->min_rssi_thold = INT_MAX;
7966 for (i = 0; i < n_match_sets; i++)
7967 request->min_rssi_thold =
7968 min(request->match_sets[i].rssi_thold,
7969 request->min_rssi_thold);
7971 request->min_rssi_thold = NL80211_SCAN_RSSI_THOLD_OFF;
7975 request->ie_len = ie_len;
7976 memcpy((void *)request->ie,
7977 nla_data(attrs[NL80211_ATTR_IE]),
7981 err = nl80211_check_scan_flags(wiphy, wdev, request, attrs, true);
7985 if (attrs[NL80211_ATTR_SCHED_SCAN_DELAY])
7987 nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_DELAY]);
7989 if (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]) {
7990 request->relative_rssi = nla_get_s8(
7991 attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]);
7992 request->relative_rssi_set = true;
7995 if (request->relative_rssi_set &&
7996 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]) {
7997 struct nl80211_bss_select_rssi_adjust *rssi_adjust;
7999 rssi_adjust = nla_data(
8000 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]);
8001 request->rssi_adjust.band = rssi_adjust->band;
8002 request->rssi_adjust.delta = rssi_adjust->delta;
8003 if (!is_band_valid(wiphy, request->rssi_adjust.band)) {
8009 err = nl80211_parse_sched_scan_plans(wiphy, n_plans, request, attrs);
8013 request->scan_start = jiffies;
8019 return ERR_PTR(err);
8022 static int nl80211_start_sched_scan(struct sk_buff *skb,
8023 struct genl_info *info)
8025 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8026 struct net_device *dev = info->user_ptr[1];
8027 struct wireless_dev *wdev = dev->ieee80211_ptr;
8028 struct cfg80211_sched_scan_request *sched_scan_req;
8032 if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_start)
8035 want_multi = info->attrs[NL80211_ATTR_SCHED_SCAN_MULTI];
8036 err = cfg80211_sched_scan_req_possible(rdev, want_multi);
8040 sched_scan_req = nl80211_parse_sched_scan(&rdev->wiphy, wdev,
8042 rdev->wiphy.max_match_sets);
8044 err = PTR_ERR_OR_ZERO(sched_scan_req);
8048 /* leave request id zero for legacy request
8049 * or if driver does not support multi-scheduled scan
8051 if (want_multi && rdev->wiphy.max_sched_scan_reqs > 1) {
8052 while (!sched_scan_req->reqid)
8053 sched_scan_req->reqid = cfg80211_assign_cookie(rdev);
8056 err = rdev_sched_scan_start(rdev, dev, sched_scan_req);
8060 sched_scan_req->dev = dev;
8061 sched_scan_req->wiphy = &rdev->wiphy;
8063 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
8064 sched_scan_req->owner_nlportid = info->snd_portid;
8066 cfg80211_add_sched_scan_req(rdev, sched_scan_req);
8068 nl80211_send_sched_scan(sched_scan_req, NL80211_CMD_START_SCHED_SCAN);
8072 kfree(sched_scan_req);
8077 static int nl80211_stop_sched_scan(struct sk_buff *skb,
8078 struct genl_info *info)
8080 struct cfg80211_sched_scan_request *req;
8081 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8084 if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_stop)
8087 if (info->attrs[NL80211_ATTR_COOKIE]) {
8088 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
8089 return __cfg80211_stop_sched_scan(rdev, cookie, false);
8092 req = list_first_or_null_rcu(&rdev->sched_scan_req_list,
8093 struct cfg80211_sched_scan_request,
8095 if (!req || req->reqid ||
8096 (req->owner_nlportid &&
8097 req->owner_nlportid != info->snd_portid))
8100 return cfg80211_stop_sched_scan_req(rdev, req, false);
8103 static int nl80211_start_radar_detection(struct sk_buff *skb,
8104 struct genl_info *info)
8106 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8107 struct net_device *dev = info->user_ptr[1];
8108 struct wireless_dev *wdev = dev->ieee80211_ptr;
8109 struct wiphy *wiphy = wdev->wiphy;
8110 struct cfg80211_chan_def chandef;
8111 enum nl80211_dfs_regions dfs_region;
8112 unsigned int cac_time_ms;
8115 dfs_region = reg_get_dfs_region(wiphy);
8116 if (dfs_region == NL80211_DFS_UNSET)
8119 err = nl80211_parse_chandef(rdev, info, &chandef);
8123 if (netif_carrier_ok(dev))
8126 if (wdev->cac_started)
8129 err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype);
8136 if (!cfg80211_chandef_dfs_usable(wiphy, &chandef))
8139 /* CAC start is offloaded to HW and can't be started manually */
8140 if (wiphy_ext_feature_isset(wiphy, NL80211_EXT_FEATURE_DFS_OFFLOAD))
8143 if (!rdev->ops->start_radar_detection)
8146 cac_time_ms = cfg80211_chandef_dfs_cac_time(&rdev->wiphy, &chandef);
8147 if (WARN_ON(!cac_time_ms))
8148 cac_time_ms = IEEE80211_DFS_MIN_CAC_TIME_MS;
8150 err = rdev_start_radar_detection(rdev, dev, &chandef, cac_time_ms);
8152 wdev->chandef = chandef;
8153 wdev->cac_started = true;
8154 wdev->cac_start_time = jiffies;
8155 wdev->cac_time_ms = cac_time_ms;
8160 static int nl80211_notify_radar_detection(struct sk_buff *skb,
8161 struct genl_info *info)
8163 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8164 struct net_device *dev = info->user_ptr[1];
8165 struct wireless_dev *wdev = dev->ieee80211_ptr;
8166 struct wiphy *wiphy = wdev->wiphy;
8167 struct cfg80211_chan_def chandef;
8168 enum nl80211_dfs_regions dfs_region;
8171 dfs_region = reg_get_dfs_region(wiphy);
8172 if (dfs_region == NL80211_DFS_UNSET) {
8173 GENL_SET_ERR_MSG(info,
8174 "DFS Region is not set. Unexpected Radar indication");
8178 err = nl80211_parse_chandef(rdev, info, &chandef);
8180 GENL_SET_ERR_MSG(info, "Unable to extract chandef info");
8184 err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype);
8186 GENL_SET_ERR_MSG(info, "chandef is invalid");
8191 GENL_SET_ERR_MSG(info,
8192 "Unexpected Radar indication for chandef/iftype");
8196 /* Do not process this notification if radar is already detected
8197 * by kernel on this channel, and return success.
8199 if (chandef.chan->dfs_state == NL80211_DFS_UNAVAILABLE)
8202 cfg80211_set_dfs_state(wiphy, &chandef, NL80211_DFS_UNAVAILABLE);
8204 cfg80211_sched_dfs_chan_update(rdev);
8206 rdev->radar_chandef = chandef;
8208 /* Propagate this notification to other radios as well */
8209 queue_work(cfg80211_wq, &rdev->propagate_radar_detect_wk);
8214 static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info)
8216 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8217 struct net_device *dev = info->user_ptr[1];
8218 struct wireless_dev *wdev = dev->ieee80211_ptr;
8219 struct cfg80211_csa_settings params;
8220 /* csa_attrs is defined static to avoid waste of stack size - this
8221 * function is called under RTNL lock, so this should not be a problem.
8223 static struct nlattr *csa_attrs[NL80211_ATTR_MAX+1];
8225 bool need_new_beacon = false;
8226 bool need_handle_dfs_flag = true;
8230 if (!rdev->ops->channel_switch ||
8231 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH))
8234 switch (dev->ieee80211_ptr->iftype) {
8235 case NL80211_IFTYPE_AP:
8236 case NL80211_IFTYPE_P2P_GO:
8237 need_new_beacon = true;
8238 /* For all modes except AP the handle_dfs flag needs to be
8239 * supplied to tell the kernel that userspace will handle radar
8240 * events when they happen. Otherwise a switch to a channel
8241 * requiring DFS will be rejected.
8243 need_handle_dfs_flag = false;
8245 /* useless if AP is not running */
8246 if (!wdev->beacon_interval)
8249 case NL80211_IFTYPE_ADHOC:
8250 if (!wdev->ssid_len)
8253 case NL80211_IFTYPE_MESH_POINT:
8254 if (!wdev->mesh_id_len)
8261 memset(¶ms, 0, sizeof(params));
8262 params.beacon_csa.ftm_responder = -1;
8264 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
8265 !info->attrs[NL80211_ATTR_CH_SWITCH_COUNT])
8268 /* only important for AP, IBSS and mesh create IEs internally */
8269 if (need_new_beacon && !info->attrs[NL80211_ATTR_CSA_IES])
8272 /* Even though the attribute is u32, the specification says
8273 * u8, so let's make sure we don't overflow.
8275 cs_count = nla_get_u32(info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]);
8279 params.count = cs_count;
8281 if (!need_new_beacon)
8284 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms.beacon_after);
8288 err = nla_parse_nested_deprecated(csa_attrs, NL80211_ATTR_MAX,
8289 info->attrs[NL80211_ATTR_CSA_IES],
8290 nl80211_policy, info->extack);
8294 err = nl80211_parse_beacon(rdev, csa_attrs, ¶ms.beacon_csa);
8298 if (!csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON])
8301 len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]);
8302 if (!len || (len % sizeof(u16)))
8305 params.n_counter_offsets_beacon = len / sizeof(u16);
8306 if (rdev->wiphy.max_num_csa_counters &&
8307 (params.n_counter_offsets_beacon >
8308 rdev->wiphy.max_num_csa_counters))
8311 params.counter_offsets_beacon =
8312 nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]);
8314 /* sanity checks - counters should fit and be the same */
8315 for (i = 0; i < params.n_counter_offsets_beacon; i++) {
8316 u16 offset = params.counter_offsets_beacon[i];
8318 if (offset >= params.beacon_csa.tail_len)
8321 if (params.beacon_csa.tail[offset] != params.count)
8325 if (csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]) {
8326 len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]);
8327 if (!len || (len % sizeof(u16)))
8330 params.n_counter_offsets_presp = len / sizeof(u16);
8331 if (rdev->wiphy.max_num_csa_counters &&
8332 (params.n_counter_offsets_presp >
8333 rdev->wiphy.max_num_csa_counters))
8336 params.counter_offsets_presp =
8337 nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]);
8339 /* sanity checks - counters should fit and be the same */
8340 for (i = 0; i < params.n_counter_offsets_presp; i++) {
8341 u16 offset = params.counter_offsets_presp[i];
8343 if (offset >= params.beacon_csa.probe_resp_len)
8346 if (params.beacon_csa.probe_resp[offset] !=
8353 err = nl80211_parse_chandef(rdev, info, ¶ms.chandef);
8357 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef,
8361 err = cfg80211_chandef_dfs_required(wdev->wiphy,
8368 params.radar_required = true;
8369 if (need_handle_dfs_flag &&
8370 !nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS])) {
8375 if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX])
8376 params.block_tx = true;
8379 err = rdev_channel_switch(rdev, dev, ¶ms);
8385 static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
8387 struct cfg80211_registered_device *rdev,
8388 struct wireless_dev *wdev,
8389 struct cfg80211_internal_bss *intbss)
8391 struct cfg80211_bss *res = &intbss->pub;
8392 const struct cfg80211_bss_ies *ies;
8396 ASSERT_WDEV_LOCK(wdev);
8398 hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
8399 NL80211_CMD_NEW_SCAN_RESULTS);
8403 genl_dump_check_consistent(cb, hdr);
8405 if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation))
8406 goto nla_put_failure;
8408 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex))
8409 goto nla_put_failure;
8410 if (nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
8412 goto nla_put_failure;
8414 bss = nla_nest_start_noflag(msg, NL80211_ATTR_BSS);
8416 goto nla_put_failure;
8417 if ((!is_zero_ether_addr(res->bssid) &&
8418 nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid)))
8419 goto nla_put_failure;
8422 /* indicate whether we have probe response data or not */
8423 if (rcu_access_pointer(res->proberesp_ies) &&
8424 nla_put_flag(msg, NL80211_BSS_PRESP_DATA))
8425 goto fail_unlock_rcu;
8427 /* this pointer prefers to be pointed to probe response data
8428 * but is always valid
8430 ies = rcu_dereference(res->ies);
8432 if (nla_put_u64_64bit(msg, NL80211_BSS_TSF, ies->tsf,
8434 goto fail_unlock_rcu;
8435 if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS,
8436 ies->len, ies->data))
8437 goto fail_unlock_rcu;
8440 /* and this pointer is always (unless driver didn't know) beacon data */
8441 ies = rcu_dereference(res->beacon_ies);
8442 if (ies && ies->from_beacon) {
8443 if (nla_put_u64_64bit(msg, NL80211_BSS_BEACON_TSF, ies->tsf,
8445 goto fail_unlock_rcu;
8446 if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES,
8447 ies->len, ies->data))
8448 goto fail_unlock_rcu;
8452 if (res->beacon_interval &&
8453 nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval))
8454 goto nla_put_failure;
8455 if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) ||
8456 nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) ||
8457 nla_put_u32(msg, NL80211_BSS_CHAN_WIDTH, res->scan_width) ||
8458 nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO,
8459 jiffies_to_msecs(jiffies - intbss->ts)))
8460 goto nla_put_failure;
8462 if (intbss->parent_tsf &&
8463 (nla_put_u64_64bit(msg, NL80211_BSS_PARENT_TSF,
8464 intbss->parent_tsf, NL80211_BSS_PAD) ||
8465 nla_put(msg, NL80211_BSS_PARENT_BSSID, ETH_ALEN,
8466 intbss->parent_bssid)))
8467 goto nla_put_failure;
8469 if (intbss->ts_boottime &&
8470 nla_put_u64_64bit(msg, NL80211_BSS_LAST_SEEN_BOOTTIME,
8471 intbss->ts_boottime, NL80211_BSS_PAD))
8472 goto nla_put_failure;
8474 if (!nl80211_put_signal(msg, intbss->pub.chains,
8475 intbss->pub.chain_signal,
8476 NL80211_BSS_CHAIN_SIGNAL))
8477 goto nla_put_failure;
8479 switch (rdev->wiphy.signal_type) {
8480 case CFG80211_SIGNAL_TYPE_MBM:
8481 if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal))
8482 goto nla_put_failure;
8484 case CFG80211_SIGNAL_TYPE_UNSPEC:
8485 if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal))
8486 goto nla_put_failure;
8492 switch (wdev->iftype) {
8493 case NL80211_IFTYPE_P2P_CLIENT:
8494 case NL80211_IFTYPE_STATION:
8495 if (intbss == wdev->current_bss &&
8496 nla_put_u32(msg, NL80211_BSS_STATUS,
8497 NL80211_BSS_STATUS_ASSOCIATED))
8498 goto nla_put_failure;
8500 case NL80211_IFTYPE_ADHOC:
8501 if (intbss == wdev->current_bss &&
8502 nla_put_u32(msg, NL80211_BSS_STATUS,
8503 NL80211_BSS_STATUS_IBSS_JOINED))
8504 goto nla_put_failure;
8510 nla_nest_end(msg, bss);
8512 genlmsg_end(msg, hdr);
8518 genlmsg_cancel(msg, hdr);
8522 static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb)
8524 struct cfg80211_registered_device *rdev;
8525 struct cfg80211_internal_bss *scan;
8526 struct wireless_dev *wdev;
8527 int start = cb->args[2], idx = 0;
8531 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
8538 spin_lock_bh(&rdev->bss_lock);
8541 * dump_scan will be called multiple times to break up the scan results
8542 * into multiple messages. It is unlikely that any more bss-es will be
8543 * expired after the first call, so only call only call this on the
8544 * first dump_scan invocation.
8547 cfg80211_bss_expire(rdev);
8549 cb->seq = rdev->bss_generation;
8551 list_for_each_entry(scan, &rdev->bss_list, list) {
8554 if (nl80211_send_bss(skb, cb,
8555 cb->nlh->nlmsg_seq, NLM_F_MULTI,
8556 rdev, wdev, scan) < 0) {
8562 spin_unlock_bh(&rdev->bss_lock);
8571 static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq,
8572 int flags, struct net_device *dev,
8573 bool allow_radio_stats,
8574 struct survey_info *survey)
8577 struct nlattr *infoattr;
8579 /* skip radio stats if userspace didn't request them */
8580 if (!survey->channel && !allow_radio_stats)
8583 hdr = nl80211hdr_put(msg, portid, seq, flags,
8584 NL80211_CMD_NEW_SURVEY_RESULTS);
8588 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
8589 goto nla_put_failure;
8591 infoattr = nla_nest_start_noflag(msg, NL80211_ATTR_SURVEY_INFO);
8593 goto nla_put_failure;
8595 if (survey->channel &&
8596 nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY,
8597 survey->channel->center_freq))
8598 goto nla_put_failure;
8600 if ((survey->filled & SURVEY_INFO_NOISE_DBM) &&
8601 nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise))
8602 goto nla_put_failure;
8603 if ((survey->filled & SURVEY_INFO_IN_USE) &&
8604 nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE))
8605 goto nla_put_failure;
8606 if ((survey->filled & SURVEY_INFO_TIME) &&
8607 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME,
8608 survey->time, NL80211_SURVEY_INFO_PAD))
8609 goto nla_put_failure;
8610 if ((survey->filled & SURVEY_INFO_TIME_BUSY) &&
8611 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BUSY,
8612 survey->time_busy, NL80211_SURVEY_INFO_PAD))
8613 goto nla_put_failure;
8614 if ((survey->filled & SURVEY_INFO_TIME_EXT_BUSY) &&
8615 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_EXT_BUSY,
8616 survey->time_ext_busy, NL80211_SURVEY_INFO_PAD))
8617 goto nla_put_failure;
8618 if ((survey->filled & SURVEY_INFO_TIME_RX) &&
8619 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_RX,
8620 survey->time_rx, NL80211_SURVEY_INFO_PAD))
8621 goto nla_put_failure;
8622 if ((survey->filled & SURVEY_INFO_TIME_TX) &&
8623 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_TX,
8624 survey->time_tx, NL80211_SURVEY_INFO_PAD))
8625 goto nla_put_failure;
8626 if ((survey->filled & SURVEY_INFO_TIME_SCAN) &&
8627 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_SCAN,
8628 survey->time_scan, NL80211_SURVEY_INFO_PAD))
8629 goto nla_put_failure;
8631 nla_nest_end(msg, infoattr);
8633 genlmsg_end(msg, hdr);
8637 genlmsg_cancel(msg, hdr);
8641 static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb)
8643 struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam);
8644 struct survey_info survey;
8645 struct cfg80211_registered_device *rdev;
8646 struct wireless_dev *wdev;
8647 int survey_idx = cb->args[2];
8652 res = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
8656 /* prepare_wdev_dump parsed the attributes */
8657 radio_stats = attrbuf[NL80211_ATTR_SURVEY_RADIO_STATS];
8659 if (!wdev->netdev) {
8664 if (!rdev->ops->dump_survey) {
8670 res = rdev_dump_survey(rdev, wdev->netdev, survey_idx, &survey);
8676 /* don't send disabled channels, but do send non-channel data */
8677 if (survey.channel &&
8678 survey.channel->flags & IEEE80211_CHAN_DISABLED) {
8683 if (nl80211_send_survey(skb,
8684 NETLINK_CB(cb->skb).portid,
8685 cb->nlh->nlmsg_seq, NLM_F_MULTI,
8686 wdev->netdev, radio_stats, &survey) < 0)
8692 cb->args[2] = survey_idx;
8699 static bool nl80211_valid_wpa_versions(u32 wpa_versions)
8701 return !(wpa_versions & ~(NL80211_WPA_VERSION_1 |
8702 NL80211_WPA_VERSION_2));
8705 static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
8707 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8708 struct net_device *dev = info->user_ptr[1];
8709 struct ieee80211_channel *chan;
8710 const u8 *bssid, *ssid, *ie = NULL, *auth_data = NULL;
8711 int err, ssid_len, ie_len = 0, auth_data_len = 0;
8712 enum nl80211_auth_type auth_type;
8713 struct key_parse key;
8714 bool local_state_change;
8716 if (!info->attrs[NL80211_ATTR_MAC])
8719 if (!info->attrs[NL80211_ATTR_AUTH_TYPE])
8722 if (!info->attrs[NL80211_ATTR_SSID])
8725 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
8728 err = nl80211_parse_key(info, &key);
8733 if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP)
8735 if (!key.p.key || !key.p.key_len)
8737 if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 ||
8738 key.p.key_len != WLAN_KEY_LEN_WEP40) &&
8739 (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 ||
8740 key.p.key_len != WLAN_KEY_LEN_WEP104))
8753 for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) {
8754 if (key.p.cipher == rdev->wiphy.cipher_suites[i]) {
8763 if (!rdev->ops->auth)
8766 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
8767 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
8770 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
8771 chan = nl80211_get_valid_chan(&rdev->wiphy,
8772 info->attrs[NL80211_ATTR_WIPHY_FREQ]);
8776 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
8777 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
8779 if (info->attrs[NL80211_ATTR_IE]) {
8780 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
8781 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
8784 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
8785 if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE))
8788 if ((auth_type == NL80211_AUTHTYPE_SAE ||
8789 auth_type == NL80211_AUTHTYPE_FILS_SK ||
8790 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
8791 auth_type == NL80211_AUTHTYPE_FILS_PK) &&
8792 !info->attrs[NL80211_ATTR_AUTH_DATA])
8795 if (info->attrs[NL80211_ATTR_AUTH_DATA]) {
8796 if (auth_type != NL80211_AUTHTYPE_SAE &&
8797 auth_type != NL80211_AUTHTYPE_FILS_SK &&
8798 auth_type != NL80211_AUTHTYPE_FILS_SK_PFS &&
8799 auth_type != NL80211_AUTHTYPE_FILS_PK)
8801 auth_data = nla_data(info->attrs[NL80211_ATTR_AUTH_DATA]);
8802 auth_data_len = nla_len(info->attrs[NL80211_ATTR_AUTH_DATA]);
8803 /* need to include at least Auth Transaction and Status Code */
8804 if (auth_data_len < 4)
8808 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
8811 * Since we no longer track auth state, ignore
8812 * requests to only change local state.
8814 if (local_state_change)
8817 wdev_lock(dev->ieee80211_ptr);
8818 err = cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid,
8819 ssid, ssid_len, ie, ie_len,
8820 key.p.key, key.p.key_len, key.idx,
8821 auth_data, auth_data_len);
8822 wdev_unlock(dev->ieee80211_ptr);
8826 static int validate_pae_over_nl80211(struct cfg80211_registered_device *rdev,
8827 struct genl_info *info)
8829 if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
8830 GENL_SET_ERR_MSG(info, "SOCKET_OWNER not set");
8834 if (!rdev->ops->tx_control_port ||
8835 !wiphy_ext_feature_isset(&rdev->wiphy,
8836 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
8842 static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
8843 struct genl_info *info,
8844 struct cfg80211_crypto_settings *settings,
8847 memset(settings, 0, sizeof(*settings));
8849 settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT];
8851 if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
8854 proto = nla_get_u16(
8855 info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
8856 settings->control_port_ethertype = cpu_to_be16(proto);
8857 if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
8860 if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT])
8861 settings->control_port_no_encrypt = true;
8863 settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE);
8865 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
8866 int r = validate_pae_over_nl80211(rdev, info);
8871 settings->control_port_over_nl80211 = true;
8874 if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) {
8878 data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
8879 len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
8880 settings->n_ciphers_pairwise = len / sizeof(u32);
8882 if (len % sizeof(u32))
8885 if (settings->n_ciphers_pairwise > cipher_limit)
8888 memcpy(settings->ciphers_pairwise, data, len);
8890 for (i = 0; i < settings->n_ciphers_pairwise; i++)
8891 if (!cfg80211_supported_cipher_suite(
8893 settings->ciphers_pairwise[i]))
8897 if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) {
8898 settings->cipher_group =
8899 nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]);
8900 if (!cfg80211_supported_cipher_suite(&rdev->wiphy,
8901 settings->cipher_group))
8905 if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) {
8906 settings->wpa_versions =
8907 nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]);
8908 if (!nl80211_valid_wpa_versions(settings->wpa_versions))
8912 if (info->attrs[NL80211_ATTR_AKM_SUITES]) {
8916 data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]);
8917 len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]);
8918 settings->n_akm_suites = len / sizeof(u32);
8920 if (len % sizeof(u32))
8923 if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES)
8926 memcpy(settings->akm_suites, data, len);
8929 if (info->attrs[NL80211_ATTR_PMK]) {
8930 if (nla_len(info->attrs[NL80211_ATTR_PMK]) != WLAN_PMK_LEN)
8932 if (!wiphy_ext_feature_isset(&rdev->wiphy,
8933 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_PSK))
8935 settings->psk = nla_data(info->attrs[NL80211_ATTR_PMK]);
8941 static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
8943 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8944 struct net_device *dev = info->user_ptr[1];
8945 struct ieee80211_channel *chan;
8946 struct cfg80211_assoc_request req = {};
8947 const u8 *bssid, *ssid;
8948 int err, ssid_len = 0;
8950 if (dev->ieee80211_ptr->conn_owner_nlportid &&
8951 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
8954 if (!info->attrs[NL80211_ATTR_MAC] ||
8955 !info->attrs[NL80211_ATTR_SSID] ||
8956 !info->attrs[NL80211_ATTR_WIPHY_FREQ])
8959 if (!rdev->ops->assoc)
8962 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
8963 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
8966 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
8968 chan = nl80211_get_valid_chan(&rdev->wiphy,
8969 info->attrs[NL80211_ATTR_WIPHY_FREQ]);
8973 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
8974 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
8976 if (info->attrs[NL80211_ATTR_IE]) {
8977 req.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
8978 req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
8981 if (info->attrs[NL80211_ATTR_USE_MFP]) {
8982 enum nl80211_mfp mfp =
8983 nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
8984 if (mfp == NL80211_MFP_REQUIRED)
8986 else if (mfp != NL80211_MFP_NO)
8990 if (info->attrs[NL80211_ATTR_PREV_BSSID])
8991 req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
8993 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
8994 req.flags |= ASSOC_REQ_DISABLE_HT;
8996 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
8997 memcpy(&req.ht_capa_mask,
8998 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
8999 sizeof(req.ht_capa_mask));
9001 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
9002 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
9004 memcpy(&req.ht_capa,
9005 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
9006 sizeof(req.ht_capa));
9009 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
9010 req.flags |= ASSOC_REQ_DISABLE_VHT;
9012 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
9013 memcpy(&req.vht_capa_mask,
9014 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
9015 sizeof(req.vht_capa_mask));
9017 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
9018 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
9020 memcpy(&req.vht_capa,
9021 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
9022 sizeof(req.vht_capa));
9025 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
9026 if (!((rdev->wiphy.features &
9027 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
9028 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
9029 !wiphy_ext_feature_isset(&rdev->wiphy,
9030 NL80211_EXT_FEATURE_RRM))
9032 req.flags |= ASSOC_REQ_USE_RRM;
9035 if (info->attrs[NL80211_ATTR_FILS_KEK]) {
9036 req.fils_kek = nla_data(info->attrs[NL80211_ATTR_FILS_KEK]);
9037 req.fils_kek_len = nla_len(info->attrs[NL80211_ATTR_FILS_KEK]);
9038 if (!info->attrs[NL80211_ATTR_FILS_NONCES])
9041 nla_data(info->attrs[NL80211_ATTR_FILS_NONCES]);
9044 err = nl80211_crypto_settings(rdev, info, &req.crypto, 1);
9046 wdev_lock(dev->ieee80211_ptr);
9048 err = cfg80211_mlme_assoc(rdev, dev, chan, bssid,
9049 ssid, ssid_len, &req);
9051 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
9052 dev->ieee80211_ptr->conn_owner_nlportid =
9054 memcpy(dev->ieee80211_ptr->disconnect_bssid,
9058 wdev_unlock(dev->ieee80211_ptr);
9064 static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
9066 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9067 struct net_device *dev = info->user_ptr[1];
9068 const u8 *ie = NULL, *bssid;
9069 int ie_len = 0, err;
9071 bool local_state_change;
9073 if (dev->ieee80211_ptr->conn_owner_nlportid &&
9074 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
9077 if (!info->attrs[NL80211_ATTR_MAC])
9080 if (!info->attrs[NL80211_ATTR_REASON_CODE])
9083 if (!rdev->ops->deauth)
9086 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
9087 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9090 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
9092 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
9093 if (reason_code == 0) {
9094 /* Reason Code 0 is reserved */
9098 if (info->attrs[NL80211_ATTR_IE]) {
9099 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9100 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9103 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
9105 wdev_lock(dev->ieee80211_ptr);
9106 err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code,
9107 local_state_change);
9108 wdev_unlock(dev->ieee80211_ptr);
9112 static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
9114 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9115 struct net_device *dev = info->user_ptr[1];
9116 const u8 *ie = NULL, *bssid;
9117 int ie_len = 0, err;
9119 bool local_state_change;
9121 if (dev->ieee80211_ptr->conn_owner_nlportid &&
9122 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
9125 if (!info->attrs[NL80211_ATTR_MAC])
9128 if (!info->attrs[NL80211_ATTR_REASON_CODE])
9131 if (!rdev->ops->disassoc)
9134 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
9135 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9138 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
9140 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
9141 if (reason_code == 0) {
9142 /* Reason Code 0 is reserved */
9146 if (info->attrs[NL80211_ATTR_IE]) {
9147 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9148 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9151 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
9153 wdev_lock(dev->ieee80211_ptr);
9154 err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code,
9155 local_state_change);
9156 wdev_unlock(dev->ieee80211_ptr);
9161 nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev,
9162 int mcast_rate[NUM_NL80211_BANDS],
9165 struct wiphy *wiphy = &rdev->wiphy;
9169 for (band = 0; band < NUM_NL80211_BANDS; band++) {
9170 struct ieee80211_supported_band *sband;
9172 sband = wiphy->bands[band];
9176 for (i = 0; i < sband->n_bitrates; i++) {
9177 if (sband->bitrates[i].bitrate == rateval) {
9178 mcast_rate[band] = i + 1;
9188 static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
9190 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9191 struct net_device *dev = info->user_ptr[1];
9192 struct cfg80211_ibss_params ibss;
9193 struct wiphy *wiphy;
9194 struct cfg80211_cached_keys *connkeys = NULL;
9197 memset(&ibss, 0, sizeof(ibss));
9199 if (!info->attrs[NL80211_ATTR_SSID] ||
9200 !nla_len(info->attrs[NL80211_ATTR_SSID]))
9203 ibss.beacon_interval = 100;
9205 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL])
9206 ibss.beacon_interval =
9207 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
9209 err = cfg80211_validate_beacon_int(rdev, NL80211_IFTYPE_ADHOC,
9210 ibss.beacon_interval);
9214 if (!rdev->ops->join_ibss)
9217 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
9220 wiphy = &rdev->wiphy;
9222 if (info->attrs[NL80211_ATTR_MAC]) {
9223 ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
9225 if (!is_valid_ether_addr(ibss.bssid))
9228 ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
9229 ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
9231 if (info->attrs[NL80211_ATTR_IE]) {
9232 ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9233 ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9236 err = nl80211_parse_chandef(rdev, info, &ibss.chandef);
9240 if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef,
9241 NL80211_IFTYPE_ADHOC))
9244 switch (ibss.chandef.width) {
9245 case NL80211_CHAN_WIDTH_5:
9246 case NL80211_CHAN_WIDTH_10:
9247 case NL80211_CHAN_WIDTH_20_NOHT:
9249 case NL80211_CHAN_WIDTH_20:
9250 case NL80211_CHAN_WIDTH_40:
9251 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
9254 case NL80211_CHAN_WIDTH_80:
9255 case NL80211_CHAN_WIDTH_80P80:
9256 case NL80211_CHAN_WIDTH_160:
9257 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
9259 if (!wiphy_ext_feature_isset(&rdev->wiphy,
9260 NL80211_EXT_FEATURE_VHT_IBSS))
9267 ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED];
9268 ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
9270 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
9272 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
9274 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
9275 struct ieee80211_supported_band *sband =
9276 wiphy->bands[ibss.chandef.chan->band];
9278 err = ieee80211_get_ratemask(sband, rates, n_rates,
9284 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
9285 memcpy(&ibss.ht_capa_mask,
9286 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
9287 sizeof(ibss.ht_capa_mask));
9289 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
9290 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
9292 memcpy(&ibss.ht_capa,
9293 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
9294 sizeof(ibss.ht_capa));
9297 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
9298 !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate,
9299 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
9302 if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) {
9305 connkeys = nl80211_parse_connkeys(rdev, info, &no_ht);
9306 if (IS_ERR(connkeys))
9307 return PTR_ERR(connkeys);
9309 if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) &&
9317 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]);
9319 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
9320 int r = validate_pae_over_nl80211(rdev, info);
9327 ibss.control_port_over_nl80211 = true;
9330 ibss.userspace_handles_dfs =
9331 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
9333 wdev_lock(dev->ieee80211_ptr);
9334 err = __cfg80211_join_ibss(rdev, dev, &ibss, connkeys);
9337 else if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
9338 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
9339 wdev_unlock(dev->ieee80211_ptr);
9344 static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info)
9346 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9347 struct net_device *dev = info->user_ptr[1];
9349 if (!rdev->ops->leave_ibss)
9352 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
9355 return cfg80211_leave_ibss(rdev, dev, false);
9358 static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info)
9360 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9361 struct net_device *dev = info->user_ptr[1];
9362 int mcast_rate[NUM_NL80211_BANDS];
9366 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
9367 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
9368 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB)
9371 if (!rdev->ops->set_mcast_rate)
9374 memset(mcast_rate, 0, sizeof(mcast_rate));
9376 if (!info->attrs[NL80211_ATTR_MCAST_RATE])
9379 nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]);
9380 if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate))
9383 err = rdev_set_mcast_rate(rdev, dev, mcast_rate);
9388 static struct sk_buff *
9389 __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev,
9390 struct wireless_dev *wdev, int approxlen,
9391 u32 portid, u32 seq, enum nl80211_commands cmd,
9392 enum nl80211_attrs attr,
9393 const struct nl80211_vendor_cmd_info *info,
9396 struct sk_buff *skb;
9398 struct nlattr *data;
9400 skb = nlmsg_new(approxlen + 100, gfp);
9404 hdr = nl80211hdr_put(skb, portid, seq, 0, cmd);
9410 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
9411 goto nla_put_failure;
9414 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_ID,
9416 goto nla_put_failure;
9417 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_SUBCMD,
9419 goto nla_put_failure;
9423 if (nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
9424 wdev_id(wdev), NL80211_ATTR_PAD))
9425 goto nla_put_failure;
9427 nla_put_u32(skb, NL80211_ATTR_IFINDEX,
9428 wdev->netdev->ifindex))
9429 goto nla_put_failure;
9432 data = nla_nest_start_noflag(skb, attr);
9434 goto nla_put_failure;
9436 ((void **)skb->cb)[0] = rdev;
9437 ((void **)skb->cb)[1] = hdr;
9438 ((void **)skb->cb)[2] = data;
9447 struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy,
9448 struct wireless_dev *wdev,
9449 enum nl80211_commands cmd,
9450 enum nl80211_attrs attr,
9451 unsigned int portid,
9452 int vendor_event_idx,
9453 int approxlen, gfp_t gfp)
9455 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
9456 const struct nl80211_vendor_cmd_info *info;
9459 case NL80211_CMD_TESTMODE:
9460 if (WARN_ON(vendor_event_idx != -1))
9464 case NL80211_CMD_VENDOR:
9465 if (WARN_ON(vendor_event_idx < 0 ||
9466 vendor_event_idx >= wiphy->n_vendor_events))
9468 info = &wiphy->vendor_events[vendor_event_idx];
9475 return __cfg80211_alloc_vendor_skb(rdev, wdev, approxlen, portid, 0,
9476 cmd, attr, info, gfp);
9478 EXPORT_SYMBOL(__cfg80211_alloc_event_skb);
9480 void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp)
9482 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
9483 void *hdr = ((void **)skb->cb)[1];
9484 struct nlmsghdr *nlhdr = nlmsg_hdr(skb);
9485 struct nlattr *data = ((void **)skb->cb)[2];
9486 enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE;
9488 /* clear CB data for netlink core to own from now on */
9489 memset(skb->cb, 0, sizeof(skb->cb));
9491 nla_nest_end(skb, data);
9492 genlmsg_end(skb, hdr);
9494 if (nlhdr->nlmsg_pid) {
9495 genlmsg_unicast(wiphy_net(&rdev->wiphy), skb,
9498 if (data->nla_type == NL80211_ATTR_VENDOR_DATA)
9499 mcgrp = NL80211_MCGRP_VENDOR;
9501 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
9502 skb, 0, mcgrp, gfp);
9505 EXPORT_SYMBOL(__cfg80211_send_event_skb);
9507 #ifdef CONFIG_NL80211_TESTMODE
9508 static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info)
9510 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9511 struct wireless_dev *wdev =
9512 __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs);
9515 if (!rdev->ops->testmode_cmd)
9519 err = PTR_ERR(wdev);
9523 } else if (wdev->wiphy != &rdev->wiphy) {
9527 if (!info->attrs[NL80211_ATTR_TESTDATA])
9530 rdev->cur_cmd_info = info;
9531 err = rdev_testmode_cmd(rdev, wdev,
9532 nla_data(info->attrs[NL80211_ATTR_TESTDATA]),
9533 nla_len(info->attrs[NL80211_ATTR_TESTDATA]));
9534 rdev->cur_cmd_info = NULL;
9539 static int nl80211_testmode_dump(struct sk_buff *skb,
9540 struct netlink_callback *cb)
9542 struct cfg80211_registered_device *rdev;
9552 * 0 is a valid index, but not valid for args[0],
9553 * so we need to offset by 1.
9555 phy_idx = cb->args[0] - 1;
9557 rdev = cfg80211_rdev_by_wiphy_idx(phy_idx);
9563 struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam);
9565 err = nlmsg_parse_deprecated(cb->nlh,
9566 GENL_HDRLEN + nl80211_fam.hdrsize,
9567 attrbuf, nl80211_fam.maxattr,
9568 nl80211_policy, NULL);
9572 rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
9574 err = PTR_ERR(rdev);
9577 phy_idx = rdev->wiphy_idx;
9579 if (attrbuf[NL80211_ATTR_TESTDATA])
9580 cb->args[1] = (long)attrbuf[NL80211_ATTR_TESTDATA];
9584 data = nla_data((void *)cb->args[1]);
9585 data_len = nla_len((void *)cb->args[1]);
9588 if (!rdev->ops->testmode_dump) {
9594 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
9595 cb->nlh->nlmsg_seq, NLM_F_MULTI,
9596 NL80211_CMD_TESTMODE);
9597 struct nlattr *tmdata;
9602 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) {
9603 genlmsg_cancel(skb, hdr);
9607 tmdata = nla_nest_start_noflag(skb, NL80211_ATTR_TESTDATA);
9609 genlmsg_cancel(skb, hdr);
9612 err = rdev_testmode_dump(rdev, skb, cb, data, data_len);
9613 nla_nest_end(skb, tmdata);
9615 if (err == -ENOBUFS || err == -ENOENT) {
9616 genlmsg_cancel(skb, hdr);
9619 genlmsg_cancel(skb, hdr);
9623 genlmsg_end(skb, hdr);
9628 cb->args[0] = phy_idx + 1;
9635 static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
9637 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9638 struct net_device *dev = info->user_ptr[1];
9639 struct cfg80211_connect_params connect;
9640 struct wiphy *wiphy;
9641 struct cfg80211_cached_keys *connkeys = NULL;
9644 memset(&connect, 0, sizeof(connect));
9646 if (!info->attrs[NL80211_ATTR_SSID] ||
9647 !nla_len(info->attrs[NL80211_ATTR_SSID]))
9650 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
9652 nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
9653 if (!nl80211_valid_auth_type(rdev, connect.auth_type,
9654 NL80211_CMD_CONNECT))
9657 connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
9659 connect.privacy = info->attrs[NL80211_ATTR_PRIVACY];
9661 if (info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS] &&
9662 !wiphy_ext_feature_isset(&rdev->wiphy,
9663 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
9665 connect.want_1x = info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS];
9667 err = nl80211_crypto_settings(rdev, info, &connect.crypto,
9668 NL80211_MAX_NR_CIPHER_SUITES);
9672 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
9673 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9676 wiphy = &rdev->wiphy;
9678 connect.bg_scan_period = -1;
9679 if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] &&
9680 (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) {
9681 connect.bg_scan_period =
9682 nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]);
9685 if (info->attrs[NL80211_ATTR_MAC])
9686 connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
9687 else if (info->attrs[NL80211_ATTR_MAC_HINT])
9688 connect.bssid_hint =
9689 nla_data(info->attrs[NL80211_ATTR_MAC_HINT]);
9690 connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
9691 connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
9693 if (info->attrs[NL80211_ATTR_IE]) {
9694 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9695 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9698 if (info->attrs[NL80211_ATTR_USE_MFP]) {
9699 connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
9700 if (connect.mfp == NL80211_MFP_OPTIONAL &&
9701 !wiphy_ext_feature_isset(&rdev->wiphy,
9702 NL80211_EXT_FEATURE_MFP_OPTIONAL))
9705 connect.mfp = NL80211_MFP_NO;
9708 if (info->attrs[NL80211_ATTR_PREV_BSSID])
9709 connect.prev_bssid =
9710 nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
9712 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
9713 connect.channel = nl80211_get_valid_chan(
9714 wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ]);
9715 if (!connect.channel)
9717 } else if (info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]) {
9718 connect.channel_hint = nl80211_get_valid_chan(
9719 wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]);
9720 if (!connect.channel_hint)
9724 if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) {
9725 connkeys = nl80211_parse_connkeys(rdev, info, NULL);
9726 if (IS_ERR(connkeys))
9727 return PTR_ERR(connkeys);
9730 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
9731 connect.flags |= ASSOC_REQ_DISABLE_HT;
9733 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
9734 memcpy(&connect.ht_capa_mask,
9735 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
9736 sizeof(connect.ht_capa_mask));
9738 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
9739 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) {
9743 memcpy(&connect.ht_capa,
9744 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
9745 sizeof(connect.ht_capa));
9748 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
9749 connect.flags |= ASSOC_REQ_DISABLE_VHT;
9751 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
9752 memcpy(&connect.vht_capa_mask,
9753 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
9754 sizeof(connect.vht_capa_mask));
9756 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
9757 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) {
9761 memcpy(&connect.vht_capa,
9762 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
9763 sizeof(connect.vht_capa));
9766 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
9767 if (!((rdev->wiphy.features &
9768 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
9769 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
9770 !wiphy_ext_feature_isset(&rdev->wiphy,
9771 NL80211_EXT_FEATURE_RRM)) {
9775 connect.flags |= ASSOC_REQ_USE_RRM;
9778 connect.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
9779 if (connect.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) {
9784 if (info->attrs[NL80211_ATTR_BSS_SELECT]) {
9785 /* bss selection makes no sense if bssid is set */
9786 if (connect.bssid) {
9791 err = parse_bss_select(info->attrs[NL80211_ATTR_BSS_SELECT],
9792 wiphy, &connect.bss_select);
9799 if (wiphy_ext_feature_isset(&rdev->wiphy,
9800 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) &&
9801 info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] &&
9802 info->attrs[NL80211_ATTR_FILS_ERP_REALM] &&
9803 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] &&
9804 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
9805 connect.fils_erp_username =
9806 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
9807 connect.fils_erp_username_len =
9808 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
9809 connect.fils_erp_realm =
9810 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
9811 connect.fils_erp_realm_len =
9812 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
9813 connect.fils_erp_next_seq_num =
9815 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]);
9816 connect.fils_erp_rrk =
9817 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
9818 connect.fils_erp_rrk_len =
9819 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
9820 } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] ||
9821 info->attrs[NL80211_ATTR_FILS_ERP_REALM] ||
9822 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] ||
9823 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
9828 if (nla_get_flag(info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])) {
9829 if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
9831 GENL_SET_ERR_MSG(info,
9832 "external auth requires connection ownership");
9835 connect.flags |= CONNECT_REQ_EXTERNAL_AUTH_SUPPORT;
9838 wdev_lock(dev->ieee80211_ptr);
9840 err = cfg80211_connect(rdev, dev, &connect, connkeys,
9841 connect.prev_bssid);
9845 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
9846 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
9848 memcpy(dev->ieee80211_ptr->disconnect_bssid,
9849 connect.bssid, ETH_ALEN);
9851 memset(dev->ieee80211_ptr->disconnect_bssid,
9855 wdev_unlock(dev->ieee80211_ptr);
9860 static int nl80211_update_connect_params(struct sk_buff *skb,
9861 struct genl_info *info)
9863 struct cfg80211_connect_params connect = {};
9864 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9865 struct net_device *dev = info->user_ptr[1];
9866 struct wireless_dev *wdev = dev->ieee80211_ptr;
9867 bool fils_sk_offload;
9872 if (!rdev->ops->update_connect_params)
9875 if (info->attrs[NL80211_ATTR_IE]) {
9876 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9877 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9878 changed |= UPDATE_ASSOC_IES;
9881 fils_sk_offload = wiphy_ext_feature_isset(&rdev->wiphy,
9882 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD);
9885 * when driver supports fils-sk offload all attributes must be
9886 * provided. So the else covers "fils-sk-not-all" and
9889 if (fils_sk_offload &&
9890 info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] &&
9891 info->attrs[NL80211_ATTR_FILS_ERP_REALM] &&
9892 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] &&
9893 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
9894 connect.fils_erp_username =
9895 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
9896 connect.fils_erp_username_len =
9897 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
9898 connect.fils_erp_realm =
9899 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
9900 connect.fils_erp_realm_len =
9901 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
9902 connect.fils_erp_next_seq_num =
9904 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]);
9905 connect.fils_erp_rrk =
9906 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
9907 connect.fils_erp_rrk_len =
9908 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
9909 changed |= UPDATE_FILS_ERP_INFO;
9910 } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] ||
9911 info->attrs[NL80211_ATTR_FILS_ERP_REALM] ||
9912 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] ||
9913 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
9917 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
9918 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
9919 if (!nl80211_valid_auth_type(rdev, auth_type,
9920 NL80211_CMD_CONNECT))
9923 if (auth_type == NL80211_AUTHTYPE_FILS_SK &&
9924 fils_sk_offload && !(changed & UPDATE_FILS_ERP_INFO))
9927 connect.auth_type = auth_type;
9928 changed |= UPDATE_AUTH_TYPE;
9931 wdev_lock(dev->ieee80211_ptr);
9932 if (!wdev->current_bss)
9935 ret = rdev_update_connect_params(rdev, dev, &connect, changed);
9936 wdev_unlock(dev->ieee80211_ptr);
9941 static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
9943 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9944 struct net_device *dev = info->user_ptr[1];
9948 if (dev->ieee80211_ptr->conn_owner_nlportid &&
9949 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
9952 if (!info->attrs[NL80211_ATTR_REASON_CODE])
9953 reason = WLAN_REASON_DEAUTH_LEAVING;
9955 reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
9960 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
9961 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9964 wdev_lock(dev->ieee80211_ptr);
9965 ret = cfg80211_disconnect(rdev, dev, reason, true);
9966 wdev_unlock(dev->ieee80211_ptr);
9970 static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info)
9972 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9976 if (info->attrs[NL80211_ATTR_PID]) {
9977 u32 pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]);
9979 net = get_net_ns_by_pid(pid);
9980 } else if (info->attrs[NL80211_ATTR_NETNS_FD]) {
9981 u32 fd = nla_get_u32(info->attrs[NL80211_ATTR_NETNS_FD]);
9983 net = get_net_ns_by_fd(fd);
9989 return PTR_ERR(net);
9993 /* check if anything to do */
9994 if (!net_eq(wiphy_net(&rdev->wiphy), net))
9995 err = cfg80211_switch_netns(rdev, net);
10001 static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info)
10003 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10004 int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev,
10005 struct cfg80211_pmksa *pmksa) = NULL;
10006 struct net_device *dev = info->user_ptr[1];
10007 struct cfg80211_pmksa pmksa;
10009 memset(&pmksa, 0, sizeof(struct cfg80211_pmksa));
10011 if (!info->attrs[NL80211_ATTR_PMKID])
10014 pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
10016 if (info->attrs[NL80211_ATTR_MAC]) {
10017 pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
10018 } else if (info->attrs[NL80211_ATTR_SSID] &&
10019 info->attrs[NL80211_ATTR_FILS_CACHE_ID] &&
10020 (info->genlhdr->cmd == NL80211_CMD_DEL_PMKSA ||
10021 info->attrs[NL80211_ATTR_PMK])) {
10022 pmksa.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
10023 pmksa.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
10025 nla_data(info->attrs[NL80211_ATTR_FILS_CACHE_ID]);
10029 if (info->attrs[NL80211_ATTR_PMK]) {
10030 pmksa.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
10031 pmksa.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
10034 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
10035 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT &&
10036 !(dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP &&
10037 wiphy_ext_feature_isset(&rdev->wiphy,
10038 NL80211_EXT_FEATURE_AP_PMKSA_CACHING)))
10039 return -EOPNOTSUPP;
10041 switch (info->genlhdr->cmd) {
10042 case NL80211_CMD_SET_PMKSA:
10043 rdev_ops = rdev->ops->set_pmksa;
10045 case NL80211_CMD_DEL_PMKSA:
10046 rdev_ops = rdev->ops->del_pmksa;
10054 return -EOPNOTSUPP;
10056 return rdev_ops(&rdev->wiphy, dev, &pmksa);
10059 static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info)
10061 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10062 struct net_device *dev = info->user_ptr[1];
10064 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
10065 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10066 return -EOPNOTSUPP;
10068 if (!rdev->ops->flush_pmksa)
10069 return -EOPNOTSUPP;
10071 return rdev_flush_pmksa(rdev, dev);
10074 static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info)
10076 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10077 struct net_device *dev = info->user_ptr[1];
10078 u8 action_code, dialog_token;
10079 u32 peer_capability = 0;
10084 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
10085 !rdev->ops->tdls_mgmt)
10086 return -EOPNOTSUPP;
10088 if (!info->attrs[NL80211_ATTR_TDLS_ACTION] ||
10089 !info->attrs[NL80211_ATTR_STATUS_CODE] ||
10090 !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] ||
10091 !info->attrs[NL80211_ATTR_IE] ||
10092 !info->attrs[NL80211_ATTR_MAC])
10095 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
10096 action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]);
10097 status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
10098 dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]);
10099 initiator = nla_get_flag(info->attrs[NL80211_ATTR_TDLS_INITIATOR]);
10100 if (info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY])
10102 nla_get_u32(info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]);
10104 return rdev_tdls_mgmt(rdev, dev, peer, action_code,
10105 dialog_token, status_code, peer_capability,
10107 nla_data(info->attrs[NL80211_ATTR_IE]),
10108 nla_len(info->attrs[NL80211_ATTR_IE]));
10111 static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info)
10113 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10114 struct net_device *dev = info->user_ptr[1];
10115 enum nl80211_tdls_operation operation;
10118 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
10119 !rdev->ops->tdls_oper)
10120 return -EOPNOTSUPP;
10122 if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] ||
10123 !info->attrs[NL80211_ATTR_MAC])
10126 operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]);
10127 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
10129 return rdev_tdls_oper(rdev, dev, peer, operation);
10132 static int nl80211_remain_on_channel(struct sk_buff *skb,
10133 struct genl_info *info)
10135 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10136 struct wireless_dev *wdev = info->user_ptr[1];
10137 struct cfg80211_chan_def chandef;
10138 const struct cfg80211_chan_def *compat_chandef;
10139 struct sk_buff *msg;
10145 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
10146 !info->attrs[NL80211_ATTR_DURATION])
10149 duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
10151 if (!rdev->ops->remain_on_channel ||
10152 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL))
10153 return -EOPNOTSUPP;
10156 * We should be on that channel for at least a minimum amount of
10157 * time (10ms) but no longer than the driver supports.
10159 if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
10160 duration > rdev->wiphy.max_remain_on_channel_duration)
10163 err = nl80211_parse_chandef(rdev, info, &chandef);
10168 if (!cfg80211_off_channel_oper_allowed(wdev) &&
10169 !cfg80211_chandef_identical(&wdev->chandef, &chandef)) {
10170 compat_chandef = cfg80211_chandef_compatible(&wdev->chandef,
10172 if (compat_chandef != &chandef) {
10179 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
10183 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
10184 NL80211_CMD_REMAIN_ON_CHANNEL);
10190 err = rdev_remain_on_channel(rdev, wdev, chandef.chan,
10191 duration, &cookie);
10196 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
10198 goto nla_put_failure;
10200 genlmsg_end(msg, hdr);
10202 return genlmsg_reply(msg, info);
10211 static int nl80211_cancel_remain_on_channel(struct sk_buff *skb,
10212 struct genl_info *info)
10214 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10215 struct wireless_dev *wdev = info->user_ptr[1];
10218 if (!info->attrs[NL80211_ATTR_COOKIE])
10221 if (!rdev->ops->cancel_remain_on_channel)
10222 return -EOPNOTSUPP;
10224 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
10226 return rdev_cancel_remain_on_channel(rdev, wdev, cookie);
10229 static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
10230 struct genl_info *info)
10232 struct cfg80211_bitrate_mask mask;
10233 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10234 struct net_device *dev = info->user_ptr[1];
10237 if (!rdev->ops->set_bitrate_mask)
10238 return -EOPNOTSUPP;
10240 err = nl80211_parse_tx_bitrate_mask(info, &mask);
10244 return rdev_set_bitrate_mask(rdev, dev, NULL, &mask);
10247 static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
10249 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10250 struct wireless_dev *wdev = info->user_ptr[1];
10251 u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION;
10253 if (!info->attrs[NL80211_ATTR_FRAME_MATCH])
10256 if (info->attrs[NL80211_ATTR_FRAME_TYPE])
10257 frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]);
10259 switch (wdev->iftype) {
10260 case NL80211_IFTYPE_STATION:
10261 case NL80211_IFTYPE_ADHOC:
10262 case NL80211_IFTYPE_P2P_CLIENT:
10263 case NL80211_IFTYPE_AP:
10264 case NL80211_IFTYPE_AP_VLAN:
10265 case NL80211_IFTYPE_MESH_POINT:
10266 case NL80211_IFTYPE_P2P_GO:
10267 case NL80211_IFTYPE_P2P_DEVICE:
10269 case NL80211_IFTYPE_NAN:
10271 return -EOPNOTSUPP;
10274 /* not much point in registering if we can't reply */
10275 if (!rdev->ops->mgmt_tx)
10276 return -EOPNOTSUPP;
10278 return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type,
10279 nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]),
10280 nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH]));
10283 static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
10285 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10286 struct wireless_dev *wdev = info->user_ptr[1];
10287 struct cfg80211_chan_def chandef;
10291 struct sk_buff *msg = NULL;
10292 struct cfg80211_mgmt_tx_params params = {
10293 .dont_wait_for_ack =
10294 info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK],
10297 if (!info->attrs[NL80211_ATTR_FRAME])
10300 if (!rdev->ops->mgmt_tx)
10301 return -EOPNOTSUPP;
10303 switch (wdev->iftype) {
10304 case NL80211_IFTYPE_P2P_DEVICE:
10305 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
10307 case NL80211_IFTYPE_STATION:
10308 case NL80211_IFTYPE_ADHOC:
10309 case NL80211_IFTYPE_P2P_CLIENT:
10310 case NL80211_IFTYPE_AP:
10311 case NL80211_IFTYPE_AP_VLAN:
10312 case NL80211_IFTYPE_MESH_POINT:
10313 case NL80211_IFTYPE_P2P_GO:
10315 case NL80211_IFTYPE_NAN:
10317 return -EOPNOTSUPP;
10320 if (info->attrs[NL80211_ATTR_DURATION]) {
10321 if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
10323 params.wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
10326 * We should wait on the channel for at least a minimum amount
10327 * of time (10ms) but no longer than the driver supports.
10329 if (params.wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
10330 params.wait > rdev->wiphy.max_remain_on_channel_duration)
10334 params.offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK];
10336 if (params.offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
10339 params.no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
10341 /* get the channel if any has been specified, otherwise pass NULL to
10342 * the driver. The latter will use the current one
10344 chandef.chan = NULL;
10345 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
10346 err = nl80211_parse_chandef(rdev, info, &chandef);
10351 if (!chandef.chan && params.offchan)
10355 if (params.offchan && !cfg80211_off_channel_oper_allowed(wdev)) {
10361 params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
10362 params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
10364 if (info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]) {
10365 int len = nla_len(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
10368 if (len % sizeof(u16))
10371 params.n_csa_offsets = len / sizeof(u16);
10372 params.csa_offsets =
10373 nla_data(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
10375 /* check that all the offsets fit the frame */
10376 for (i = 0; i < params.n_csa_offsets; i++) {
10377 if (params.csa_offsets[i] >= params.len)
10382 if (!params.dont_wait_for_ack) {
10383 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
10387 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
10388 NL80211_CMD_FRAME);
10395 params.chan = chandef.chan;
10396 err = cfg80211_mlme_mgmt_tx(rdev, wdev, ¶ms, &cookie);
10401 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
10403 goto nla_put_failure;
10405 genlmsg_end(msg, hdr);
10406 return genlmsg_reply(msg, info);
10418 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info)
10420 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10421 struct wireless_dev *wdev = info->user_ptr[1];
10424 if (!info->attrs[NL80211_ATTR_COOKIE])
10427 if (!rdev->ops->mgmt_tx_cancel_wait)
10428 return -EOPNOTSUPP;
10430 switch (wdev->iftype) {
10431 case NL80211_IFTYPE_STATION:
10432 case NL80211_IFTYPE_ADHOC:
10433 case NL80211_IFTYPE_P2P_CLIENT:
10434 case NL80211_IFTYPE_AP:
10435 case NL80211_IFTYPE_AP_VLAN:
10436 case NL80211_IFTYPE_P2P_GO:
10437 case NL80211_IFTYPE_P2P_DEVICE:
10439 case NL80211_IFTYPE_NAN:
10441 return -EOPNOTSUPP;
10444 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
10446 return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie);
10449 static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info)
10451 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10452 struct wireless_dev *wdev;
10453 struct net_device *dev = info->user_ptr[1];
10458 if (!info->attrs[NL80211_ATTR_PS_STATE])
10461 ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]);
10463 wdev = dev->ieee80211_ptr;
10465 if (!rdev->ops->set_power_mgmt)
10466 return -EOPNOTSUPP;
10468 state = (ps_state == NL80211_PS_ENABLED) ? true : false;
10470 if (state == wdev->ps)
10473 err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout);
10479 static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info)
10481 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10482 enum nl80211_ps_state ps_state;
10483 struct wireless_dev *wdev;
10484 struct net_device *dev = info->user_ptr[1];
10485 struct sk_buff *msg;
10489 wdev = dev->ieee80211_ptr;
10491 if (!rdev->ops->set_power_mgmt)
10492 return -EOPNOTSUPP;
10494 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
10498 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
10499 NL80211_CMD_GET_POWER_SAVE);
10506 ps_state = NL80211_PS_ENABLED;
10508 ps_state = NL80211_PS_DISABLED;
10510 if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state))
10511 goto nla_put_failure;
10513 genlmsg_end(msg, hdr);
10514 return genlmsg_reply(msg, info);
10523 static const struct nla_policy
10524 nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] = {
10525 [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_BINARY },
10526 [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 },
10527 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
10528 [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 },
10529 [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 },
10530 [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 },
10531 [NL80211_ATTR_CQM_RSSI_LEVEL] = { .type = NLA_S32 },
10534 static int nl80211_set_cqm_txe(struct genl_info *info,
10535 u32 rate, u32 pkts, u32 intvl)
10537 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10538 struct net_device *dev = info->user_ptr[1];
10539 struct wireless_dev *wdev = dev->ieee80211_ptr;
10541 if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL)
10544 if (!rdev->ops->set_cqm_txe_config)
10545 return -EOPNOTSUPP;
10547 if (wdev->iftype != NL80211_IFTYPE_STATION &&
10548 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
10549 return -EOPNOTSUPP;
10551 return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl);
10554 static int cfg80211_cqm_rssi_update(struct cfg80211_registered_device *rdev,
10555 struct net_device *dev)
10557 struct wireless_dev *wdev = dev->ieee80211_ptr;
10558 s32 last, low, high;
10560 int i, n, low_index;
10563 /* RSSI reporting disabled? */
10564 if (!wdev->cqm_config)
10565 return rdev_set_cqm_rssi_range_config(rdev, dev, 0, 0);
10568 * Obtain current RSSI value if possible, if not and no RSSI threshold
10569 * event has been received yet, we should receive an event after a
10570 * connection is established and enough beacons received to calculate
10573 if (!wdev->cqm_config->last_rssi_event_value && wdev->current_bss &&
10574 rdev->ops->get_station) {
10575 struct station_info sinfo = {};
10578 mac_addr = wdev->current_bss->pub.bssid;
10580 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
10584 if (sinfo.filled & BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG))
10585 wdev->cqm_config->last_rssi_event_value =
10586 (s8) sinfo.rx_beacon_signal_avg;
10589 last = wdev->cqm_config->last_rssi_event_value;
10590 hyst = wdev->cqm_config->rssi_hyst;
10591 n = wdev->cqm_config->n_rssi_thresholds;
10593 for (i = 0; i < n; i++)
10594 if (last < wdev->cqm_config->rssi_thresholds[i])
10598 if (low_index >= 0) {
10599 low_index = array_index_nospec(low_index, n);
10600 low = wdev->cqm_config->rssi_thresholds[low_index] - hyst;
10605 i = array_index_nospec(i, n);
10606 high = wdev->cqm_config->rssi_thresholds[i] + hyst - 1;
10611 return rdev_set_cqm_rssi_range_config(rdev, dev, low, high);
10614 static int nl80211_set_cqm_rssi(struct genl_info *info,
10615 const s32 *thresholds, int n_thresholds,
10618 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10619 struct net_device *dev = info->user_ptr[1];
10620 struct wireless_dev *wdev = dev->ieee80211_ptr;
10622 s32 prev = S32_MIN;
10624 /* Check all values negative and sorted */
10625 for (i = 0; i < n_thresholds; i++) {
10626 if (thresholds[i] > 0 || thresholds[i] <= prev)
10629 prev = thresholds[i];
10632 if (wdev->iftype != NL80211_IFTYPE_STATION &&
10633 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
10634 return -EOPNOTSUPP;
10637 cfg80211_cqm_config_free(wdev);
10640 if (n_thresholds <= 1 && rdev->ops->set_cqm_rssi_config) {
10641 if (n_thresholds == 0 || thresholds[0] == 0) /* Disabling */
10642 return rdev_set_cqm_rssi_config(rdev, dev, 0, 0);
10644 return rdev_set_cqm_rssi_config(rdev, dev,
10645 thresholds[0], hysteresis);
10648 if (!wiphy_ext_feature_isset(&rdev->wiphy,
10649 NL80211_EXT_FEATURE_CQM_RSSI_LIST))
10650 return -EOPNOTSUPP;
10652 if (n_thresholds == 1 && thresholds[0] == 0) /* Disabling */
10656 if (n_thresholds) {
10657 struct cfg80211_cqm_config *cqm_config;
10659 cqm_config = kzalloc(sizeof(struct cfg80211_cqm_config) +
10660 n_thresholds * sizeof(s32), GFP_KERNEL);
10666 cqm_config->rssi_hyst = hysteresis;
10667 cqm_config->n_rssi_thresholds = n_thresholds;
10668 memcpy(cqm_config->rssi_thresholds, thresholds,
10669 n_thresholds * sizeof(s32));
10671 wdev->cqm_config = cqm_config;
10674 err = cfg80211_cqm_rssi_update(rdev, dev);
10682 static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info)
10684 struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1];
10685 struct nlattr *cqm;
10688 cqm = info->attrs[NL80211_ATTR_CQM];
10692 err = nla_parse_nested_deprecated(attrs, NL80211_ATTR_CQM_MAX, cqm,
10693 nl80211_attr_cqm_policy,
10698 if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] &&
10699 attrs[NL80211_ATTR_CQM_RSSI_HYST]) {
10700 const s32 *thresholds =
10701 nla_data(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
10702 int len = nla_len(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
10703 u32 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]);
10708 return nl80211_set_cqm_rssi(info, thresholds, len / 4,
10712 if (attrs[NL80211_ATTR_CQM_TXE_RATE] &&
10713 attrs[NL80211_ATTR_CQM_TXE_PKTS] &&
10714 attrs[NL80211_ATTR_CQM_TXE_INTVL]) {
10715 u32 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]);
10716 u32 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]);
10717 u32 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]);
10719 return nl80211_set_cqm_txe(info, rate, pkts, intvl);
10725 static int nl80211_join_ocb(struct sk_buff *skb, struct genl_info *info)
10727 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10728 struct net_device *dev = info->user_ptr[1];
10729 struct ocb_setup setup = {};
10732 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
10736 return cfg80211_join_ocb(rdev, dev, &setup);
10739 static int nl80211_leave_ocb(struct sk_buff *skb, struct genl_info *info)
10741 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10742 struct net_device *dev = info->user_ptr[1];
10744 return cfg80211_leave_ocb(rdev, dev);
10747 static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info)
10749 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10750 struct net_device *dev = info->user_ptr[1];
10751 struct mesh_config cfg;
10752 struct mesh_setup setup;
10755 /* start with default */
10756 memcpy(&cfg, &default_mesh_config, sizeof(cfg));
10757 memcpy(&setup, &default_mesh_setup, sizeof(setup));
10759 if (info->attrs[NL80211_ATTR_MESH_CONFIG]) {
10760 /* and parse parameters if given */
10761 err = nl80211_parse_mesh_config(info, &cfg, NULL);
10766 if (!info->attrs[NL80211_ATTR_MESH_ID] ||
10767 !nla_len(info->attrs[NL80211_ATTR_MESH_ID]))
10770 setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]);
10771 setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
10773 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
10774 !nl80211_parse_mcast_rate(rdev, setup.mcast_rate,
10775 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
10778 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) {
10779 setup.beacon_interval =
10780 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
10782 err = cfg80211_validate_beacon_int(rdev,
10783 NL80211_IFTYPE_MESH_POINT,
10784 setup.beacon_interval);
10789 if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) {
10790 setup.dtim_period =
10791 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
10792 if (setup.dtim_period < 1 || setup.dtim_period > 100)
10796 if (info->attrs[NL80211_ATTR_MESH_SETUP]) {
10797 /* parse additional setup parameters if given */
10798 err = nl80211_parse_mesh_setup(info, &setup);
10803 if (setup.user_mpm)
10804 cfg.auto_open_plinks = false;
10806 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
10807 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
10811 /* __cfg80211_join_mesh() will sort it out */
10812 setup.chandef.chan = NULL;
10815 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
10816 u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
10818 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
10819 struct ieee80211_supported_band *sband;
10821 if (!setup.chandef.chan)
10824 sband = rdev->wiphy.bands[setup.chandef.chan->band];
10826 err = ieee80211_get_ratemask(sband, rates, n_rates,
10827 &setup.basic_rates);
10832 if (info->attrs[NL80211_ATTR_TX_RATES]) {
10833 err = nl80211_parse_tx_bitrate_mask(info, &setup.beacon_rate);
10837 if (!setup.chandef.chan)
10840 err = validate_beacon_tx_rate(rdev, setup.chandef.chan->band,
10841 &setup.beacon_rate);
10846 setup.userspace_handles_dfs =
10847 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
10849 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
10850 int r = validate_pae_over_nl80211(rdev, info);
10855 setup.control_port_over_nl80211 = true;
10858 wdev_lock(dev->ieee80211_ptr);
10859 err = __cfg80211_join_mesh(rdev, dev, &setup, &cfg);
10860 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER])
10861 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
10862 wdev_unlock(dev->ieee80211_ptr);
10867 static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info)
10869 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10870 struct net_device *dev = info->user_ptr[1];
10872 return cfg80211_leave_mesh(rdev, dev);
10876 static int nl80211_send_wowlan_patterns(struct sk_buff *msg,
10877 struct cfg80211_registered_device *rdev)
10879 struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config;
10880 struct nlattr *nl_pats, *nl_pat;
10883 if (!wowlan->n_patterns)
10886 nl_pats = nla_nest_start_noflag(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN);
10890 for (i = 0; i < wowlan->n_patterns; i++) {
10891 nl_pat = nla_nest_start_noflag(msg, i + 1);
10894 pat_len = wowlan->patterns[i].pattern_len;
10895 if (nla_put(msg, NL80211_PKTPAT_MASK, DIV_ROUND_UP(pat_len, 8),
10896 wowlan->patterns[i].mask) ||
10897 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
10898 wowlan->patterns[i].pattern) ||
10899 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
10900 wowlan->patterns[i].pkt_offset))
10902 nla_nest_end(msg, nl_pat);
10904 nla_nest_end(msg, nl_pats);
10909 static int nl80211_send_wowlan_tcp(struct sk_buff *msg,
10910 struct cfg80211_wowlan_tcp *tcp)
10912 struct nlattr *nl_tcp;
10917 nl_tcp = nla_nest_start_noflag(msg,
10918 NL80211_WOWLAN_TRIG_TCP_CONNECTION);
10922 if (nla_put_in_addr(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) ||
10923 nla_put_in_addr(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) ||
10924 nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) ||
10925 nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) ||
10926 nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) ||
10927 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
10928 tcp->payload_len, tcp->payload) ||
10929 nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
10930 tcp->data_interval) ||
10931 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
10932 tcp->wake_len, tcp->wake_data) ||
10933 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK,
10934 DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask))
10937 if (tcp->payload_seq.len &&
10938 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ,
10939 sizeof(tcp->payload_seq), &tcp->payload_seq))
10942 if (tcp->payload_tok.len &&
10943 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
10944 sizeof(tcp->payload_tok) + tcp->tokens_size,
10945 &tcp->payload_tok))
10948 nla_nest_end(msg, nl_tcp);
10953 static int nl80211_send_wowlan_nd(struct sk_buff *msg,
10954 struct cfg80211_sched_scan_request *req)
10956 struct nlattr *nd, *freqs, *matches, *match, *scan_plans, *scan_plan;
10962 nd = nla_nest_start_noflag(msg, NL80211_WOWLAN_TRIG_NET_DETECT);
10966 if (req->n_scan_plans == 1 &&
10967 nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_INTERVAL,
10968 req->scan_plans[0].interval * 1000))
10971 if (nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_DELAY, req->delay))
10974 if (req->relative_rssi_set) {
10975 struct nl80211_bss_select_rssi_adjust rssi_adjust;
10977 if (nla_put_s8(msg, NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI,
10978 req->relative_rssi))
10981 rssi_adjust.band = req->rssi_adjust.band;
10982 rssi_adjust.delta = req->rssi_adjust.delta;
10983 if (nla_put(msg, NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST,
10984 sizeof(rssi_adjust), &rssi_adjust))
10988 freqs = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_FREQUENCIES);
10992 for (i = 0; i < req->n_channels; i++) {
10993 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
10997 nla_nest_end(msg, freqs);
10999 if (req->n_match_sets) {
11000 matches = nla_nest_start_noflag(msg,
11001 NL80211_ATTR_SCHED_SCAN_MATCH);
11005 for (i = 0; i < req->n_match_sets; i++) {
11006 match = nla_nest_start_noflag(msg, i);
11010 if (nla_put(msg, NL80211_SCHED_SCAN_MATCH_ATTR_SSID,
11011 req->match_sets[i].ssid.ssid_len,
11012 req->match_sets[i].ssid.ssid))
11014 nla_nest_end(msg, match);
11016 nla_nest_end(msg, matches);
11019 scan_plans = nla_nest_start_noflag(msg, NL80211_ATTR_SCHED_SCAN_PLANS);
11023 for (i = 0; i < req->n_scan_plans; i++) {
11024 scan_plan = nla_nest_start_noflag(msg, i + 1);
11028 if (nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_INTERVAL,
11029 req->scan_plans[i].interval) ||
11030 (req->scan_plans[i].iterations &&
11031 nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_ITERATIONS,
11032 req->scan_plans[i].iterations)))
11034 nla_nest_end(msg, scan_plan);
11036 nla_nest_end(msg, scan_plans);
11038 nla_nest_end(msg, nd);
11043 static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info)
11045 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11046 struct sk_buff *msg;
11048 u32 size = NLMSG_DEFAULT_SIZE;
11050 if (!rdev->wiphy.wowlan)
11051 return -EOPNOTSUPP;
11053 if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) {
11054 /* adjust size to have room for all the data */
11055 size += rdev->wiphy.wowlan_config->tcp->tokens_size +
11056 rdev->wiphy.wowlan_config->tcp->payload_len +
11057 rdev->wiphy.wowlan_config->tcp->wake_len +
11058 rdev->wiphy.wowlan_config->tcp->wake_len / 8;
11061 msg = nlmsg_new(size, GFP_KERNEL);
11065 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
11066 NL80211_CMD_GET_WOWLAN);
11068 goto nla_put_failure;
11070 if (rdev->wiphy.wowlan_config) {
11071 struct nlattr *nl_wowlan;
11073 nl_wowlan = nla_nest_start_noflag(msg,
11074 NL80211_ATTR_WOWLAN_TRIGGERS);
11076 goto nla_put_failure;
11078 if ((rdev->wiphy.wowlan_config->any &&
11079 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
11080 (rdev->wiphy.wowlan_config->disconnect &&
11081 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
11082 (rdev->wiphy.wowlan_config->magic_pkt &&
11083 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
11084 (rdev->wiphy.wowlan_config->gtk_rekey_failure &&
11085 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
11086 (rdev->wiphy.wowlan_config->eap_identity_req &&
11087 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
11088 (rdev->wiphy.wowlan_config->four_way_handshake &&
11089 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
11090 (rdev->wiphy.wowlan_config->rfkill_release &&
11091 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
11092 goto nla_put_failure;
11094 if (nl80211_send_wowlan_patterns(msg, rdev))
11095 goto nla_put_failure;
11097 if (nl80211_send_wowlan_tcp(msg,
11098 rdev->wiphy.wowlan_config->tcp))
11099 goto nla_put_failure;
11101 if (nl80211_send_wowlan_nd(
11103 rdev->wiphy.wowlan_config->nd_config))
11104 goto nla_put_failure;
11106 nla_nest_end(msg, nl_wowlan);
11109 genlmsg_end(msg, hdr);
11110 return genlmsg_reply(msg, info);
11117 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev,
11118 struct nlattr *attr,
11119 struct cfg80211_wowlan *trig)
11121 struct nlattr *tb[NUM_NL80211_WOWLAN_TCP];
11122 struct cfg80211_wowlan_tcp *cfg;
11123 struct nl80211_wowlan_tcp_data_token *tok = NULL;
11124 struct nl80211_wowlan_tcp_data_seq *seq = NULL;
11126 u32 data_size, wake_size, tokens_size = 0, wake_mask_size;
11129 if (!rdev->wiphy.wowlan->tcp)
11132 err = nla_parse_nested_deprecated(tb, MAX_NL80211_WOWLAN_TCP, attr,
11133 nl80211_wowlan_tcp_policy, NULL);
11137 if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] ||
11138 !tb[NL80211_WOWLAN_TCP_DST_IPV4] ||
11139 !tb[NL80211_WOWLAN_TCP_DST_MAC] ||
11140 !tb[NL80211_WOWLAN_TCP_DST_PORT] ||
11141 !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] ||
11142 !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] ||
11143 !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] ||
11144 !tb[NL80211_WOWLAN_TCP_WAKE_MASK])
11147 data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]);
11148 if (data_size > rdev->wiphy.wowlan->tcp->data_payload_max)
11151 if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) >
11152 rdev->wiphy.wowlan->tcp->data_interval_max ||
11153 nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0)
11156 wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]);
11157 if (wake_size > rdev->wiphy.wowlan->tcp->wake_payload_max)
11160 wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]);
11161 if (wake_mask_size != DIV_ROUND_UP(wake_size, 8))
11164 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) {
11165 u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
11167 tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
11168 tokens_size = tokln - sizeof(*tok);
11170 if (!tok->len || tokens_size % tok->len)
11172 if (!rdev->wiphy.wowlan->tcp->tok)
11174 if (tok->len > rdev->wiphy.wowlan->tcp->tok->max_len)
11176 if (tok->len < rdev->wiphy.wowlan->tcp->tok->min_len)
11178 if (tokens_size > rdev->wiphy.wowlan->tcp->tok->bufsize)
11180 if (tok->offset + tok->len > data_size)
11184 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) {
11185 seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]);
11186 if (!rdev->wiphy.wowlan->tcp->seq)
11188 if (seq->len == 0 || seq->len > 4)
11190 if (seq->len + seq->offset > data_size)
11194 size = sizeof(*cfg);
11196 size += wake_size + wake_mask_size;
11197 size += tokens_size;
11199 cfg = kzalloc(size, GFP_KERNEL);
11202 cfg->src = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_SRC_IPV4]);
11203 cfg->dst = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_DST_IPV4]);
11204 memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]),
11206 if (tb[NL80211_WOWLAN_TCP_SRC_PORT])
11207 port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]);
11211 /* allocate a socket and port for it and use it */
11212 err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM,
11213 IPPROTO_TCP, &cfg->sock, 1);
11218 if (inet_csk_get_port(cfg->sock->sk, port)) {
11219 sock_release(cfg->sock);
11221 return -EADDRINUSE;
11223 cfg->src_port = inet_sk(cfg->sock->sk)->inet_num;
11229 cfg->src_port = port;
11232 cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]);
11233 cfg->payload_len = data_size;
11234 cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size;
11235 memcpy((void *)cfg->payload,
11236 nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]),
11239 cfg->payload_seq = *seq;
11240 cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]);
11241 cfg->wake_len = wake_size;
11242 cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size;
11243 memcpy((void *)cfg->wake_data,
11244 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]),
11246 cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size +
11247 data_size + wake_size;
11248 memcpy((void *)cfg->wake_mask,
11249 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]),
11252 cfg->tokens_size = tokens_size;
11253 memcpy(&cfg->payload_tok, tok, sizeof(*tok) + tokens_size);
11261 static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device *rdev,
11262 const struct wiphy_wowlan_support *wowlan,
11263 struct nlattr *attr,
11264 struct cfg80211_wowlan *trig)
11266 struct nlattr **tb;
11269 tb = kcalloc(NUM_NL80211_ATTR, sizeof(*tb), GFP_KERNEL);
11273 if (!(wowlan->flags & WIPHY_WOWLAN_NET_DETECT)) {
11278 err = nla_parse_nested_deprecated(tb, NL80211_ATTR_MAX, attr,
11279 nl80211_policy, NULL);
11283 trig->nd_config = nl80211_parse_sched_scan(&rdev->wiphy, NULL, tb,
11284 wowlan->max_nd_match_sets);
11285 err = PTR_ERR_OR_ZERO(trig->nd_config);
11287 trig->nd_config = NULL;
11294 static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
11296 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11297 struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG];
11298 struct cfg80211_wowlan new_triggers = {};
11299 struct cfg80211_wowlan *ntrig;
11300 const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan;
11302 bool prev_enabled = rdev->wiphy.wowlan_config;
11303 bool regular = false;
11306 return -EOPNOTSUPP;
11308 if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) {
11309 cfg80211_rdev_free_wowlan(rdev);
11310 rdev->wiphy.wowlan_config = NULL;
11314 err = nla_parse_nested_deprecated(tb, MAX_NL80211_WOWLAN_TRIG,
11315 info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS],
11316 nl80211_wowlan_policy, info->extack);
11320 if (tb[NL80211_WOWLAN_TRIG_ANY]) {
11321 if (!(wowlan->flags & WIPHY_WOWLAN_ANY))
11323 new_triggers.any = true;
11326 if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) {
11327 if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT))
11329 new_triggers.disconnect = true;
11333 if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) {
11334 if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT))
11336 new_triggers.magic_pkt = true;
11340 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED])
11343 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) {
11344 if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE))
11346 new_triggers.gtk_rekey_failure = true;
11350 if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) {
11351 if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ))
11353 new_triggers.eap_identity_req = true;
11357 if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) {
11358 if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE))
11360 new_triggers.four_way_handshake = true;
11364 if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) {
11365 if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE))
11367 new_triggers.rfkill_release = true;
11371 if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) {
11372 struct nlattr *pat;
11373 int n_patterns = 0;
11374 int rem, pat_len, mask_len, pkt_offset;
11375 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
11379 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
11382 if (n_patterns > wowlan->n_patterns)
11385 new_triggers.patterns = kcalloc(n_patterns,
11386 sizeof(new_triggers.patterns[0]),
11388 if (!new_triggers.patterns)
11391 new_triggers.n_patterns = n_patterns;
11394 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
11398 err = nla_parse_nested_deprecated(pat_tb,
11399 MAX_NL80211_PKTPAT,
11401 nl80211_packet_pattern_policy,
11407 if (!pat_tb[NL80211_PKTPAT_MASK] ||
11408 !pat_tb[NL80211_PKTPAT_PATTERN])
11410 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
11411 mask_len = DIV_ROUND_UP(pat_len, 8);
11412 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
11414 if (pat_len > wowlan->pattern_max_len ||
11415 pat_len < wowlan->pattern_min_len)
11418 if (!pat_tb[NL80211_PKTPAT_OFFSET])
11421 pkt_offset = nla_get_u32(
11422 pat_tb[NL80211_PKTPAT_OFFSET]);
11423 if (pkt_offset > wowlan->max_pkt_offset)
11425 new_triggers.patterns[i].pkt_offset = pkt_offset;
11427 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
11432 new_triggers.patterns[i].mask = mask_pat;
11433 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
11435 mask_pat += mask_len;
11436 new_triggers.patterns[i].pattern = mask_pat;
11437 new_triggers.patterns[i].pattern_len = pat_len;
11439 nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
11445 if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) {
11447 err = nl80211_parse_wowlan_tcp(
11448 rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION],
11454 if (tb[NL80211_WOWLAN_TRIG_NET_DETECT]) {
11456 err = nl80211_parse_wowlan_nd(
11457 rdev, wowlan, tb[NL80211_WOWLAN_TRIG_NET_DETECT],
11463 /* The 'any' trigger means the device continues operating more or less
11464 * as in its normal operation mode and wakes up the host on most of the
11465 * normal interrupts (like packet RX, ...)
11466 * It therefore makes little sense to combine with the more constrained
11467 * wakeup trigger modes.
11469 if (new_triggers.any && regular) {
11474 ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL);
11479 cfg80211_rdev_free_wowlan(rdev);
11480 rdev->wiphy.wowlan_config = ntrig;
11483 if (rdev->ops->set_wakeup &&
11484 prev_enabled != !!rdev->wiphy.wowlan_config)
11485 rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config);
11489 for (i = 0; i < new_triggers.n_patterns; i++)
11490 kfree(new_triggers.patterns[i].mask);
11491 kfree(new_triggers.patterns);
11492 if (new_triggers.tcp && new_triggers.tcp->sock)
11493 sock_release(new_triggers.tcp->sock);
11494 kfree(new_triggers.tcp);
11495 kfree(new_triggers.nd_config);
11500 static int nl80211_send_coalesce_rules(struct sk_buff *msg,
11501 struct cfg80211_registered_device *rdev)
11503 struct nlattr *nl_pats, *nl_pat, *nl_rule, *nl_rules;
11505 struct cfg80211_coalesce_rules *rule;
11507 if (!rdev->coalesce->n_rules)
11510 nl_rules = nla_nest_start_noflag(msg, NL80211_ATTR_COALESCE_RULE);
11514 for (i = 0; i < rdev->coalesce->n_rules; i++) {
11515 nl_rule = nla_nest_start_noflag(msg, i + 1);
11519 rule = &rdev->coalesce->rules[i];
11520 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_DELAY,
11524 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_CONDITION,
11528 nl_pats = nla_nest_start_noflag(msg,
11529 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN);
11533 for (j = 0; j < rule->n_patterns; j++) {
11534 nl_pat = nla_nest_start_noflag(msg, j + 1);
11537 pat_len = rule->patterns[j].pattern_len;
11538 if (nla_put(msg, NL80211_PKTPAT_MASK,
11539 DIV_ROUND_UP(pat_len, 8),
11540 rule->patterns[j].mask) ||
11541 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
11542 rule->patterns[j].pattern) ||
11543 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
11544 rule->patterns[j].pkt_offset))
11546 nla_nest_end(msg, nl_pat);
11548 nla_nest_end(msg, nl_pats);
11549 nla_nest_end(msg, nl_rule);
11551 nla_nest_end(msg, nl_rules);
11556 static int nl80211_get_coalesce(struct sk_buff *skb, struct genl_info *info)
11558 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11559 struct sk_buff *msg;
11562 if (!rdev->wiphy.coalesce)
11563 return -EOPNOTSUPP;
11565 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
11569 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
11570 NL80211_CMD_GET_COALESCE);
11572 goto nla_put_failure;
11574 if (rdev->coalesce && nl80211_send_coalesce_rules(msg, rdev))
11575 goto nla_put_failure;
11577 genlmsg_end(msg, hdr);
11578 return genlmsg_reply(msg, info);
11585 void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev)
11587 struct cfg80211_coalesce *coalesce = rdev->coalesce;
11589 struct cfg80211_coalesce_rules *rule;
11594 for (i = 0; i < coalesce->n_rules; i++) {
11595 rule = &coalesce->rules[i];
11596 for (j = 0; j < rule->n_patterns; j++)
11597 kfree(rule->patterns[j].mask);
11598 kfree(rule->patterns);
11600 kfree(coalesce->rules);
11602 rdev->coalesce = NULL;
11605 static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev,
11606 struct nlattr *rule,
11607 struct cfg80211_coalesce_rules *new_rule)
11610 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
11611 struct nlattr *tb[NUM_NL80211_ATTR_COALESCE_RULE], *pat;
11612 int rem, pat_len, mask_len, pkt_offset, n_patterns = 0;
11613 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
11615 err = nla_parse_nested_deprecated(tb, NL80211_ATTR_COALESCE_RULE_MAX,
11616 rule, nl80211_coalesce_policy, NULL);
11620 if (tb[NL80211_ATTR_COALESCE_RULE_DELAY])
11622 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_DELAY]);
11623 if (new_rule->delay > coalesce->max_delay)
11626 if (tb[NL80211_ATTR_COALESCE_RULE_CONDITION])
11627 new_rule->condition =
11628 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_CONDITION]);
11630 if (!tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN])
11633 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
11636 if (n_patterns > coalesce->n_patterns)
11639 new_rule->patterns = kcalloc(n_patterns, sizeof(new_rule->patterns[0]),
11641 if (!new_rule->patterns)
11644 new_rule->n_patterns = n_patterns;
11647 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
11651 err = nla_parse_nested_deprecated(pat_tb, MAX_NL80211_PKTPAT,
11653 nl80211_packet_pattern_policy,
11658 if (!pat_tb[NL80211_PKTPAT_MASK] ||
11659 !pat_tb[NL80211_PKTPAT_PATTERN])
11661 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
11662 mask_len = DIV_ROUND_UP(pat_len, 8);
11663 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
11665 if (pat_len > coalesce->pattern_max_len ||
11666 pat_len < coalesce->pattern_min_len)
11669 if (!pat_tb[NL80211_PKTPAT_OFFSET])
11672 pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]);
11673 if (pkt_offset > coalesce->max_pkt_offset)
11675 new_rule->patterns[i].pkt_offset = pkt_offset;
11677 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
11681 new_rule->patterns[i].mask = mask_pat;
11682 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
11685 mask_pat += mask_len;
11686 new_rule->patterns[i].pattern = mask_pat;
11687 new_rule->patterns[i].pattern_len = pat_len;
11688 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
11696 static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info)
11698 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11699 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
11700 struct cfg80211_coalesce new_coalesce = {};
11701 struct cfg80211_coalesce *n_coalesce;
11702 int err, rem_rule, n_rules = 0, i, j;
11703 struct nlattr *rule;
11704 struct cfg80211_coalesce_rules *tmp_rule;
11706 if (!rdev->wiphy.coalesce || !rdev->ops->set_coalesce)
11707 return -EOPNOTSUPP;
11709 if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) {
11710 cfg80211_rdev_free_coalesce(rdev);
11711 rdev_set_coalesce(rdev, NULL);
11715 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
11718 if (n_rules > coalesce->n_rules)
11721 new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]),
11723 if (!new_coalesce.rules)
11726 new_coalesce.n_rules = n_rules;
11729 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
11731 err = nl80211_parse_coalesce_rule(rdev, rule,
11732 &new_coalesce.rules[i]);
11739 err = rdev_set_coalesce(rdev, &new_coalesce);
11743 n_coalesce = kmemdup(&new_coalesce, sizeof(new_coalesce), GFP_KERNEL);
11748 cfg80211_rdev_free_coalesce(rdev);
11749 rdev->coalesce = n_coalesce;
11753 for (i = 0; i < new_coalesce.n_rules; i++) {
11754 tmp_rule = &new_coalesce.rules[i];
11755 for (j = 0; j < tmp_rule->n_patterns; j++)
11756 kfree(tmp_rule->patterns[j].mask);
11757 kfree(tmp_rule->patterns);
11759 kfree(new_coalesce.rules);
11764 static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info)
11766 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11767 struct net_device *dev = info->user_ptr[1];
11768 struct wireless_dev *wdev = dev->ieee80211_ptr;
11769 struct nlattr *tb[NUM_NL80211_REKEY_DATA];
11770 struct cfg80211_gtk_rekey_data rekey_data;
11773 if (!info->attrs[NL80211_ATTR_REKEY_DATA])
11776 err = nla_parse_nested_deprecated(tb, MAX_NL80211_REKEY_DATA,
11777 info->attrs[NL80211_ATTR_REKEY_DATA],
11778 nl80211_rekey_policy, info->extack);
11782 if (!tb[NL80211_REKEY_DATA_REPLAY_CTR] || !tb[NL80211_REKEY_DATA_KEK] ||
11783 !tb[NL80211_REKEY_DATA_KCK])
11785 if (nla_len(tb[NL80211_REKEY_DATA_REPLAY_CTR]) != NL80211_REPLAY_CTR_LEN)
11787 if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN)
11789 if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN)
11792 rekey_data.kek = nla_data(tb[NL80211_REKEY_DATA_KEK]);
11793 rekey_data.kck = nla_data(tb[NL80211_REKEY_DATA_KCK]);
11794 rekey_data.replay_ctr = nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]);
11797 if (!wdev->current_bss) {
11802 if (!rdev->ops->set_rekey_data) {
11807 err = rdev_set_rekey_data(rdev, dev, &rekey_data);
11813 static int nl80211_register_unexpected_frame(struct sk_buff *skb,
11814 struct genl_info *info)
11816 struct net_device *dev = info->user_ptr[1];
11817 struct wireless_dev *wdev = dev->ieee80211_ptr;
11819 if (wdev->iftype != NL80211_IFTYPE_AP &&
11820 wdev->iftype != NL80211_IFTYPE_P2P_GO)
11823 if (wdev->ap_unexpected_nlportid)
11826 wdev->ap_unexpected_nlportid = info->snd_portid;
11830 static int nl80211_probe_client(struct sk_buff *skb,
11831 struct genl_info *info)
11833 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11834 struct net_device *dev = info->user_ptr[1];
11835 struct wireless_dev *wdev = dev->ieee80211_ptr;
11836 struct sk_buff *msg;
11842 if (wdev->iftype != NL80211_IFTYPE_AP &&
11843 wdev->iftype != NL80211_IFTYPE_P2P_GO)
11844 return -EOPNOTSUPP;
11846 if (!info->attrs[NL80211_ATTR_MAC])
11849 if (!rdev->ops->probe_client)
11850 return -EOPNOTSUPP;
11852 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
11856 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
11857 NL80211_CMD_PROBE_CLIENT);
11863 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
11865 err = rdev_probe_client(rdev, dev, addr, &cookie);
11869 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
11871 goto nla_put_failure;
11873 genlmsg_end(msg, hdr);
11875 return genlmsg_reply(msg, info);
11884 static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info)
11886 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11887 struct cfg80211_beacon_registration *reg, *nreg;
11890 if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS))
11891 return -EOPNOTSUPP;
11893 nreg = kzalloc(sizeof(*nreg), GFP_KERNEL);
11897 /* First, check if already registered. */
11898 spin_lock_bh(&rdev->beacon_registrations_lock);
11899 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
11900 if (reg->nlportid == info->snd_portid) {
11905 /* Add it to the list */
11906 nreg->nlportid = info->snd_portid;
11907 list_add(&nreg->list, &rdev->beacon_registrations);
11909 spin_unlock_bh(&rdev->beacon_registrations_lock);
11913 spin_unlock_bh(&rdev->beacon_registrations_lock);
11918 static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info)
11920 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11921 struct wireless_dev *wdev = info->user_ptr[1];
11924 if (!rdev->ops->start_p2p_device)
11925 return -EOPNOTSUPP;
11927 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
11928 return -EOPNOTSUPP;
11930 if (wdev_running(wdev))
11933 if (rfkill_blocked(rdev->rfkill))
11936 err = rdev_start_p2p_device(rdev, wdev);
11940 wdev->is_running = true;
11946 static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info)
11948 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11949 struct wireless_dev *wdev = info->user_ptr[1];
11951 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
11952 return -EOPNOTSUPP;
11954 if (!rdev->ops->stop_p2p_device)
11955 return -EOPNOTSUPP;
11957 cfg80211_stop_p2p_device(rdev, wdev);
11962 static int nl80211_start_nan(struct sk_buff *skb, struct genl_info *info)
11964 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11965 struct wireless_dev *wdev = info->user_ptr[1];
11966 struct cfg80211_nan_conf conf = {};
11969 if (wdev->iftype != NL80211_IFTYPE_NAN)
11970 return -EOPNOTSUPP;
11972 if (wdev_running(wdev))
11975 if (rfkill_blocked(rdev->rfkill))
11978 if (!info->attrs[NL80211_ATTR_NAN_MASTER_PREF])
11982 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
11984 if (info->attrs[NL80211_ATTR_BANDS]) {
11985 u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]);
11987 if (bands & ~(u32)wdev->wiphy->nan_supported_bands)
11988 return -EOPNOTSUPP;
11990 if (bands && !(bands & BIT(NL80211_BAND_2GHZ)))
11993 conf.bands = bands;
11996 err = rdev_start_nan(rdev, wdev, &conf);
12000 wdev->is_running = true;
12006 static int nl80211_stop_nan(struct sk_buff *skb, struct genl_info *info)
12008 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12009 struct wireless_dev *wdev = info->user_ptr[1];
12011 if (wdev->iftype != NL80211_IFTYPE_NAN)
12012 return -EOPNOTSUPP;
12014 cfg80211_stop_nan(rdev, wdev);
12019 static int validate_nan_filter(struct nlattr *filter_attr)
12021 struct nlattr *attr;
12022 int len = 0, n_entries = 0, rem;
12024 nla_for_each_nested(attr, filter_attr, rem) {
12025 len += nla_len(attr);
12035 static int handle_nan_filter(struct nlattr *attr_filter,
12036 struct cfg80211_nan_func *func,
12039 struct nlattr *attr;
12040 int n_entries, rem, i;
12041 struct cfg80211_nan_func_filter *filter;
12043 n_entries = validate_nan_filter(attr_filter);
12047 BUILD_BUG_ON(sizeof(*func->rx_filters) != sizeof(*func->tx_filters));
12049 filter = kcalloc(n_entries, sizeof(*func->rx_filters), GFP_KERNEL);
12054 nla_for_each_nested(attr, attr_filter, rem) {
12055 filter[i].filter = nla_memdup(attr, GFP_KERNEL);
12056 filter[i].len = nla_len(attr);
12060 func->num_tx_filters = n_entries;
12061 func->tx_filters = filter;
12063 func->num_rx_filters = n_entries;
12064 func->rx_filters = filter;
12070 static int nl80211_nan_add_func(struct sk_buff *skb,
12071 struct genl_info *info)
12073 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12074 struct wireless_dev *wdev = info->user_ptr[1];
12075 struct nlattr *tb[NUM_NL80211_NAN_FUNC_ATTR], *func_attr;
12076 struct cfg80211_nan_func *func;
12077 struct sk_buff *msg = NULL;
12081 if (wdev->iftype != NL80211_IFTYPE_NAN)
12082 return -EOPNOTSUPP;
12084 if (!wdev_running(wdev))
12087 if (!info->attrs[NL80211_ATTR_NAN_FUNC])
12090 err = nla_parse_nested_deprecated(tb, NL80211_NAN_FUNC_ATTR_MAX,
12091 info->attrs[NL80211_ATTR_NAN_FUNC],
12092 nl80211_nan_func_policy,
12097 func = kzalloc(sizeof(*func), GFP_KERNEL);
12101 func->cookie = cfg80211_assign_cookie(rdev);
12103 if (!tb[NL80211_NAN_FUNC_TYPE] ||
12104 nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]) > NL80211_NAN_FUNC_MAX_TYPE) {
12110 func->type = nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]);
12112 if (!tb[NL80211_NAN_FUNC_SERVICE_ID]) {
12117 memcpy(func->service_id, nla_data(tb[NL80211_NAN_FUNC_SERVICE_ID]),
12118 sizeof(func->service_id));
12120 func->close_range =
12121 nla_get_flag(tb[NL80211_NAN_FUNC_CLOSE_RANGE]);
12123 if (tb[NL80211_NAN_FUNC_SERVICE_INFO]) {
12124 func->serv_spec_info_len =
12125 nla_len(tb[NL80211_NAN_FUNC_SERVICE_INFO]);
12126 func->serv_spec_info =
12127 kmemdup(nla_data(tb[NL80211_NAN_FUNC_SERVICE_INFO]),
12128 func->serv_spec_info_len,
12130 if (!func->serv_spec_info) {
12136 if (tb[NL80211_NAN_FUNC_TTL])
12137 func->ttl = nla_get_u32(tb[NL80211_NAN_FUNC_TTL]);
12139 switch (func->type) {
12140 case NL80211_NAN_FUNC_PUBLISH:
12141 if (!tb[NL80211_NAN_FUNC_PUBLISH_TYPE]) {
12146 func->publish_type =
12147 nla_get_u8(tb[NL80211_NAN_FUNC_PUBLISH_TYPE]);
12148 func->publish_bcast =
12149 nla_get_flag(tb[NL80211_NAN_FUNC_PUBLISH_BCAST]);
12151 if ((!(func->publish_type & NL80211_NAN_SOLICITED_PUBLISH)) &&
12152 func->publish_bcast) {
12157 case NL80211_NAN_FUNC_SUBSCRIBE:
12158 func->subscribe_active =
12159 nla_get_flag(tb[NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE]);
12161 case NL80211_NAN_FUNC_FOLLOW_UP:
12162 if (!tb[NL80211_NAN_FUNC_FOLLOW_UP_ID] ||
12163 !tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] ||
12164 !tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]) {
12169 func->followup_id =
12170 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_ID]);
12171 func->followup_reqid =
12172 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID]);
12173 memcpy(func->followup_dest.addr,
12174 nla_data(tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]),
12175 sizeof(func->followup_dest.addr));
12186 if (tb[NL80211_NAN_FUNC_SRF]) {
12187 struct nlattr *srf_tb[NUM_NL80211_NAN_SRF_ATTR];
12189 err = nla_parse_nested_deprecated(srf_tb,
12190 NL80211_NAN_SRF_ATTR_MAX,
12191 tb[NL80211_NAN_FUNC_SRF],
12192 nl80211_nan_srf_policy,
12197 func->srf_include =
12198 nla_get_flag(srf_tb[NL80211_NAN_SRF_INCLUDE]);
12200 if (srf_tb[NL80211_NAN_SRF_BF]) {
12201 if (srf_tb[NL80211_NAN_SRF_MAC_ADDRS] ||
12202 !srf_tb[NL80211_NAN_SRF_BF_IDX]) {
12208 nla_len(srf_tb[NL80211_NAN_SRF_BF]);
12210 kmemdup(nla_data(srf_tb[NL80211_NAN_SRF_BF]),
12211 func->srf_bf_len, GFP_KERNEL);
12212 if (!func->srf_bf) {
12218 nla_get_u8(srf_tb[NL80211_NAN_SRF_BF_IDX]);
12220 struct nlattr *attr, *mac_attr =
12221 srf_tb[NL80211_NAN_SRF_MAC_ADDRS];
12222 int n_entries, rem, i = 0;
12229 n_entries = validate_acl_mac_addrs(mac_attr);
12230 if (n_entries <= 0) {
12235 func->srf_num_macs = n_entries;
12237 kcalloc(n_entries, sizeof(*func->srf_macs),
12239 if (!func->srf_macs) {
12244 nla_for_each_nested(attr, mac_attr, rem)
12245 memcpy(func->srf_macs[i++].addr, nla_data(attr),
12246 sizeof(*func->srf_macs));
12250 if (tb[NL80211_NAN_FUNC_TX_MATCH_FILTER]) {
12251 err = handle_nan_filter(tb[NL80211_NAN_FUNC_TX_MATCH_FILTER],
12257 if (tb[NL80211_NAN_FUNC_RX_MATCH_FILTER]) {
12258 err = handle_nan_filter(tb[NL80211_NAN_FUNC_RX_MATCH_FILTER],
12264 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12270 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12271 NL80211_CMD_ADD_NAN_FUNCTION);
12272 /* This can't really happen - we just allocated 4KB */
12273 if (WARN_ON(!hdr)) {
12278 err = rdev_add_nan_func(rdev, wdev, func);
12281 cfg80211_free_nan_func(func);
12286 /* propagate the instance id and cookie to userspace */
12287 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, func->cookie,
12289 goto nla_put_failure;
12291 func_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_FUNC);
12293 goto nla_put_failure;
12295 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID,
12296 func->instance_id))
12297 goto nla_put_failure;
12299 nla_nest_end(msg, func_attr);
12301 genlmsg_end(msg, hdr);
12302 return genlmsg_reply(msg, info);
12309 static int nl80211_nan_del_func(struct sk_buff *skb,
12310 struct genl_info *info)
12312 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12313 struct wireless_dev *wdev = info->user_ptr[1];
12316 if (wdev->iftype != NL80211_IFTYPE_NAN)
12317 return -EOPNOTSUPP;
12319 if (!wdev_running(wdev))
12322 if (!info->attrs[NL80211_ATTR_COOKIE])
12325 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
12327 rdev_del_nan_func(rdev, wdev, cookie);
12332 static int nl80211_nan_change_config(struct sk_buff *skb,
12333 struct genl_info *info)
12335 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12336 struct wireless_dev *wdev = info->user_ptr[1];
12337 struct cfg80211_nan_conf conf = {};
12340 if (wdev->iftype != NL80211_IFTYPE_NAN)
12341 return -EOPNOTSUPP;
12343 if (!wdev_running(wdev))
12346 if (info->attrs[NL80211_ATTR_NAN_MASTER_PREF]) {
12348 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
12349 if (conf.master_pref <= 1 || conf.master_pref == 255)
12352 changed |= CFG80211_NAN_CONF_CHANGED_PREF;
12355 if (info->attrs[NL80211_ATTR_BANDS]) {
12356 u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]);
12358 if (bands & ~(u32)wdev->wiphy->nan_supported_bands)
12359 return -EOPNOTSUPP;
12361 if (bands && !(bands & BIT(NL80211_BAND_2GHZ)))
12364 conf.bands = bands;
12365 changed |= CFG80211_NAN_CONF_CHANGED_BANDS;
12371 return rdev_nan_change_conf(rdev, wdev, &conf, changed);
12374 void cfg80211_nan_match(struct wireless_dev *wdev,
12375 struct cfg80211_nan_match_params *match, gfp_t gfp)
12377 struct wiphy *wiphy = wdev->wiphy;
12378 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
12379 struct nlattr *match_attr, *local_func_attr, *peer_func_attr;
12380 struct sk_buff *msg;
12383 if (WARN_ON(!match->inst_id || !match->peer_inst_id || !match->addr))
12386 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
12390 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NAN_MATCH);
12396 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
12397 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
12398 wdev->netdev->ifindex)) ||
12399 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
12401 goto nla_put_failure;
12403 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, match->cookie,
12404 NL80211_ATTR_PAD) ||
12405 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, match->addr))
12406 goto nla_put_failure;
12408 match_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_MATCH);
12410 goto nla_put_failure;
12412 local_func_attr = nla_nest_start_noflag(msg,
12413 NL80211_NAN_MATCH_FUNC_LOCAL);
12414 if (!local_func_attr)
12415 goto nla_put_failure;
12417 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->inst_id))
12418 goto nla_put_failure;
12420 nla_nest_end(msg, local_func_attr);
12422 peer_func_attr = nla_nest_start_noflag(msg,
12423 NL80211_NAN_MATCH_FUNC_PEER);
12424 if (!peer_func_attr)
12425 goto nla_put_failure;
12427 if (nla_put_u8(msg, NL80211_NAN_FUNC_TYPE, match->type) ||
12428 nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->peer_inst_id))
12429 goto nla_put_failure;
12431 if (match->info && match->info_len &&
12432 nla_put(msg, NL80211_NAN_FUNC_SERVICE_INFO, match->info_len,
12434 goto nla_put_failure;
12436 nla_nest_end(msg, peer_func_attr);
12437 nla_nest_end(msg, match_attr);
12438 genlmsg_end(msg, hdr);
12440 if (!wdev->owner_nlportid)
12441 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
12442 msg, 0, NL80211_MCGRP_NAN, gfp);
12444 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
12445 wdev->owner_nlportid);
12452 EXPORT_SYMBOL(cfg80211_nan_match);
12454 void cfg80211_nan_func_terminated(struct wireless_dev *wdev,
12456 enum nl80211_nan_func_term_reason reason,
12457 u64 cookie, gfp_t gfp)
12459 struct wiphy *wiphy = wdev->wiphy;
12460 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
12461 struct sk_buff *msg;
12462 struct nlattr *func_attr;
12465 if (WARN_ON(!inst_id))
12468 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
12472 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_NAN_FUNCTION);
12478 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
12479 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
12480 wdev->netdev->ifindex)) ||
12481 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
12483 goto nla_put_failure;
12485 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
12487 goto nla_put_failure;
12489 func_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_FUNC);
12491 goto nla_put_failure;
12493 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, inst_id) ||
12494 nla_put_u8(msg, NL80211_NAN_FUNC_TERM_REASON, reason))
12495 goto nla_put_failure;
12497 nla_nest_end(msg, func_attr);
12498 genlmsg_end(msg, hdr);
12500 if (!wdev->owner_nlportid)
12501 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
12502 msg, 0, NL80211_MCGRP_NAN, gfp);
12504 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
12505 wdev->owner_nlportid);
12512 EXPORT_SYMBOL(cfg80211_nan_func_terminated);
12514 static int nl80211_get_protocol_features(struct sk_buff *skb,
12515 struct genl_info *info)
12518 struct sk_buff *msg;
12520 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12524 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12525 NL80211_CMD_GET_PROTOCOL_FEATURES);
12527 goto nla_put_failure;
12529 if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES,
12530 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP))
12531 goto nla_put_failure;
12533 genlmsg_end(msg, hdr);
12534 return genlmsg_reply(msg, info);
12541 static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info)
12543 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12544 struct cfg80211_update_ft_ies_params ft_params;
12545 struct net_device *dev = info->user_ptr[1];
12547 if (!rdev->ops->update_ft_ies)
12548 return -EOPNOTSUPP;
12550 if (!info->attrs[NL80211_ATTR_MDID] ||
12551 !info->attrs[NL80211_ATTR_IE])
12554 memset(&ft_params, 0, sizeof(ft_params));
12555 ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]);
12556 ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
12557 ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
12559 return rdev_update_ft_ies(rdev, dev, &ft_params);
12562 static int nl80211_crit_protocol_start(struct sk_buff *skb,
12563 struct genl_info *info)
12565 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12566 struct wireless_dev *wdev = info->user_ptr[1];
12567 enum nl80211_crit_proto_id proto = NL80211_CRIT_PROTO_UNSPEC;
12571 if (!rdev->ops->crit_proto_start)
12572 return -EOPNOTSUPP;
12574 if (WARN_ON(!rdev->ops->crit_proto_stop))
12577 if (rdev->crit_proto_nlportid)
12580 /* determine protocol if provided */
12581 if (info->attrs[NL80211_ATTR_CRIT_PROT_ID])
12582 proto = nla_get_u16(info->attrs[NL80211_ATTR_CRIT_PROT_ID]);
12584 if (proto >= NUM_NL80211_CRIT_PROTO)
12587 /* timeout must be provided */
12588 if (!info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION])
12592 nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]);
12594 if (duration > NL80211_CRIT_PROTO_MAX_DURATION)
12597 ret = rdev_crit_proto_start(rdev, wdev, proto, duration);
12599 rdev->crit_proto_nlportid = info->snd_portid;
12604 static int nl80211_crit_protocol_stop(struct sk_buff *skb,
12605 struct genl_info *info)
12607 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12608 struct wireless_dev *wdev = info->user_ptr[1];
12610 if (!rdev->ops->crit_proto_stop)
12611 return -EOPNOTSUPP;
12613 if (rdev->crit_proto_nlportid) {
12614 rdev->crit_proto_nlportid = 0;
12615 rdev_crit_proto_stop(rdev, wdev);
12620 static int nl80211_vendor_cmd(struct sk_buff *skb, struct genl_info *info)
12622 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12623 struct wireless_dev *wdev =
12624 __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs);
12628 if (!rdev->wiphy.vendor_commands)
12629 return -EOPNOTSUPP;
12631 if (IS_ERR(wdev)) {
12632 err = PTR_ERR(wdev);
12633 if (err != -EINVAL)
12636 } else if (wdev->wiphy != &rdev->wiphy) {
12640 if (!info->attrs[NL80211_ATTR_VENDOR_ID] ||
12641 !info->attrs[NL80211_ATTR_VENDOR_SUBCMD])
12644 vid = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_ID]);
12645 subcmd = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_SUBCMD]);
12646 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
12647 const struct wiphy_vendor_command *vcmd;
12651 vcmd = &rdev->wiphy.vendor_commands[i];
12653 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
12656 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
12657 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
12660 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
12664 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
12665 if (!wdev_running(wdev))
12670 return -EOPNOTSUPP;
12675 if (info->attrs[NL80211_ATTR_VENDOR_DATA]) {
12676 data = nla_data(info->attrs[NL80211_ATTR_VENDOR_DATA]);
12677 len = nla_len(info->attrs[NL80211_ATTR_VENDOR_DATA]);
12680 rdev->cur_cmd_info = info;
12681 err = rdev->wiphy.vendor_commands[i].doit(&rdev->wiphy, wdev,
12683 rdev->cur_cmd_info = NULL;
12687 return -EOPNOTSUPP;
12690 static int nl80211_prepare_vendor_dump(struct sk_buff *skb,
12691 struct netlink_callback *cb,
12692 struct cfg80211_registered_device **rdev,
12693 struct wireless_dev **wdev)
12695 struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam);
12701 unsigned int data_len = 0;
12704 /* subtract the 1 again here */
12705 struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
12706 struct wireless_dev *tmp;
12710 *rdev = wiphy_to_rdev(wiphy);
12714 list_for_each_entry(tmp, &wiphy->wdev_list, list) {
12715 if (tmp->identifier == cb->args[1] - 1) {
12722 /* keep rtnl locked in successful case */
12726 err = nlmsg_parse_deprecated(cb->nlh,
12727 GENL_HDRLEN + nl80211_fam.hdrsize,
12728 attrbuf, nl80211_fam.maxattr,
12729 nl80211_policy, NULL);
12733 if (!attrbuf[NL80211_ATTR_VENDOR_ID] ||
12734 !attrbuf[NL80211_ATTR_VENDOR_SUBCMD])
12737 *wdev = __cfg80211_wdev_from_attrs(sock_net(skb->sk), attrbuf);
12741 *rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
12743 return PTR_ERR(*rdev);
12745 vid = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_ID]);
12746 subcmd = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_SUBCMD]);
12748 for (i = 0; i < (*rdev)->wiphy.n_vendor_commands; i++) {
12749 const struct wiphy_vendor_command *vcmd;
12751 vcmd = &(*rdev)->wiphy.vendor_commands[i];
12753 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
12757 return -EOPNOTSUPP;
12764 return -EOPNOTSUPP;
12766 if (attrbuf[NL80211_ATTR_VENDOR_DATA]) {
12767 data = nla_data(attrbuf[NL80211_ATTR_VENDOR_DATA]);
12768 data_len = nla_len(attrbuf[NL80211_ATTR_VENDOR_DATA]);
12771 /* 0 is the first index - add 1 to parse only once */
12772 cb->args[0] = (*rdev)->wiphy_idx + 1;
12773 /* add 1 to know if it was NULL */
12774 cb->args[1] = *wdev ? (*wdev)->identifier + 1 : 0;
12775 cb->args[2] = vcmd_idx;
12776 cb->args[3] = (unsigned long)data;
12777 cb->args[4] = data_len;
12779 /* keep rtnl locked in successful case */
12783 static int nl80211_vendor_cmd_dump(struct sk_buff *skb,
12784 struct netlink_callback *cb)
12786 struct cfg80211_registered_device *rdev;
12787 struct wireless_dev *wdev;
12788 unsigned int vcmd_idx;
12789 const struct wiphy_vendor_command *vcmd;
12793 struct nlattr *vendor_data;
12796 err = nl80211_prepare_vendor_dump(skb, cb, &rdev, &wdev);
12800 vcmd_idx = cb->args[2];
12801 data = (void *)cb->args[3];
12802 data_len = cb->args[4];
12803 vcmd = &rdev->wiphy.vendor_commands[vcmd_idx];
12805 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
12806 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
12811 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
12817 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
12818 if (!wdev_running(wdev)) {
12826 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
12827 cb->nlh->nlmsg_seq, NLM_F_MULTI,
12828 NL80211_CMD_VENDOR);
12832 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
12833 (wdev && nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
12835 NL80211_ATTR_PAD))) {
12836 genlmsg_cancel(skb, hdr);
12840 vendor_data = nla_nest_start_noflag(skb,
12841 NL80211_ATTR_VENDOR_DATA);
12842 if (!vendor_data) {
12843 genlmsg_cancel(skb, hdr);
12847 err = vcmd->dumpit(&rdev->wiphy, wdev, skb, data, data_len,
12848 (unsigned long *)&cb->args[5]);
12849 nla_nest_end(skb, vendor_data);
12851 if (err == -ENOBUFS || err == -ENOENT) {
12852 genlmsg_cancel(skb, hdr);
12855 genlmsg_cancel(skb, hdr);
12859 genlmsg_end(skb, hdr);
12868 struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy,
12869 enum nl80211_commands cmd,
12870 enum nl80211_attrs attr,
12873 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
12875 if (WARN_ON(!rdev->cur_cmd_info))
12878 return __cfg80211_alloc_vendor_skb(rdev, NULL, approxlen,
12879 rdev->cur_cmd_info->snd_portid,
12880 rdev->cur_cmd_info->snd_seq,
12881 cmd, attr, NULL, GFP_KERNEL);
12883 EXPORT_SYMBOL(__cfg80211_alloc_reply_skb);
12885 int cfg80211_vendor_cmd_reply(struct sk_buff *skb)
12887 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
12888 void *hdr = ((void **)skb->cb)[1];
12889 struct nlattr *data = ((void **)skb->cb)[2];
12891 /* clear CB data for netlink core to own from now on */
12892 memset(skb->cb, 0, sizeof(skb->cb));
12894 if (WARN_ON(!rdev->cur_cmd_info)) {
12899 nla_nest_end(skb, data);
12900 genlmsg_end(skb, hdr);
12901 return genlmsg_reply(skb, rdev->cur_cmd_info);
12903 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply);
12905 unsigned int cfg80211_vendor_cmd_get_sender(struct wiphy *wiphy)
12907 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
12909 if (WARN_ON(!rdev->cur_cmd_info))
12912 return rdev->cur_cmd_info->snd_portid;
12914 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_get_sender);
12916 static int nl80211_set_qos_map(struct sk_buff *skb,
12917 struct genl_info *info)
12919 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12920 struct cfg80211_qos_map *qos_map = NULL;
12921 struct net_device *dev = info->user_ptr[1];
12922 u8 *pos, len, num_des, des_len, des;
12925 if (!rdev->ops->set_qos_map)
12926 return -EOPNOTSUPP;
12928 if (info->attrs[NL80211_ATTR_QOS_MAP]) {
12929 pos = nla_data(info->attrs[NL80211_ATTR_QOS_MAP]);
12930 len = nla_len(info->attrs[NL80211_ATTR_QOS_MAP]);
12932 if (len % 2 || len < IEEE80211_QOS_MAP_LEN_MIN ||
12933 len > IEEE80211_QOS_MAP_LEN_MAX)
12936 qos_map = kzalloc(sizeof(struct cfg80211_qos_map), GFP_KERNEL);
12940 num_des = (len - IEEE80211_QOS_MAP_LEN_MIN) >> 1;
12942 des_len = num_des *
12943 sizeof(struct cfg80211_dscp_exception);
12944 memcpy(qos_map->dscp_exception, pos, des_len);
12945 qos_map->num_des = num_des;
12946 for (des = 0; des < num_des; des++) {
12947 if (qos_map->dscp_exception[des].up > 7) {
12954 memcpy(qos_map->up, pos, IEEE80211_QOS_MAP_LEN_MIN);
12957 wdev_lock(dev->ieee80211_ptr);
12958 ret = nl80211_key_allowed(dev->ieee80211_ptr);
12960 ret = rdev_set_qos_map(rdev, dev, qos_map);
12961 wdev_unlock(dev->ieee80211_ptr);
12967 static int nl80211_add_tx_ts(struct sk_buff *skb, struct genl_info *info)
12969 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12970 struct net_device *dev = info->user_ptr[1];
12971 struct wireless_dev *wdev = dev->ieee80211_ptr;
12974 u16 admitted_time = 0;
12977 if (!(rdev->wiphy.features & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION))
12978 return -EOPNOTSUPP;
12980 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC] ||
12981 !info->attrs[NL80211_ATTR_USER_PRIO])
12984 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
12985 up = nla_get_u8(info->attrs[NL80211_ATTR_USER_PRIO]);
12987 /* WMM uses TIDs 0-7 even for TSPEC */
12988 if (tsid >= IEEE80211_FIRST_TSPEC_TSID) {
12989 /* TODO: handle 802.11 TSPEC/admission control
12990 * need more attributes for that (e.g. BA session requirement);
12991 * change the WMM adminssion test above to allow both then
12996 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
12998 if (info->attrs[NL80211_ATTR_ADMITTED_TIME]) {
13000 nla_get_u16(info->attrs[NL80211_ATTR_ADMITTED_TIME]);
13001 if (!admitted_time)
13006 switch (wdev->iftype) {
13007 case NL80211_IFTYPE_STATION:
13008 case NL80211_IFTYPE_P2P_CLIENT:
13009 if (wdev->current_bss)
13018 err = rdev_add_tx_ts(rdev, dev, tsid, peer, up, admitted_time);
13025 static int nl80211_del_tx_ts(struct sk_buff *skb, struct genl_info *info)
13027 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13028 struct net_device *dev = info->user_ptr[1];
13029 struct wireless_dev *wdev = dev->ieee80211_ptr;
13034 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC])
13037 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
13038 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
13041 err = rdev_del_tx_ts(rdev, dev, tsid, peer);
13047 static int nl80211_tdls_channel_switch(struct sk_buff *skb,
13048 struct genl_info *info)
13050 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13051 struct net_device *dev = info->user_ptr[1];
13052 struct wireless_dev *wdev = dev->ieee80211_ptr;
13053 struct cfg80211_chan_def chandef = {};
13058 if (!rdev->ops->tdls_channel_switch ||
13059 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
13060 return -EOPNOTSUPP;
13062 switch (dev->ieee80211_ptr->iftype) {
13063 case NL80211_IFTYPE_STATION:
13064 case NL80211_IFTYPE_P2P_CLIENT:
13067 return -EOPNOTSUPP;
13070 if (!info->attrs[NL80211_ATTR_MAC] ||
13071 !info->attrs[NL80211_ATTR_OPER_CLASS])
13074 err = nl80211_parse_chandef(rdev, info, &chandef);
13079 * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012
13080 * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the
13081 * specification is not defined for them.
13083 if (chandef.chan->band == NL80211_BAND_2GHZ &&
13084 chandef.width != NL80211_CHAN_WIDTH_20_NOHT &&
13085 chandef.width != NL80211_CHAN_WIDTH_20)
13088 /* we will be active on the TDLS link */
13089 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
13093 /* don't allow switching to DFS channels */
13094 if (cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, wdev->iftype))
13097 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
13098 oper_class = nla_get_u8(info->attrs[NL80211_ATTR_OPER_CLASS]);
13101 err = rdev_tdls_channel_switch(rdev, dev, addr, oper_class, &chandef);
13107 static int nl80211_tdls_cancel_channel_switch(struct sk_buff *skb,
13108 struct genl_info *info)
13110 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13111 struct net_device *dev = info->user_ptr[1];
13112 struct wireless_dev *wdev = dev->ieee80211_ptr;
13115 if (!rdev->ops->tdls_channel_switch ||
13116 !rdev->ops->tdls_cancel_channel_switch ||
13117 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
13118 return -EOPNOTSUPP;
13120 switch (dev->ieee80211_ptr->iftype) {
13121 case NL80211_IFTYPE_STATION:
13122 case NL80211_IFTYPE_P2P_CLIENT:
13125 return -EOPNOTSUPP;
13128 if (!info->attrs[NL80211_ATTR_MAC])
13131 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
13134 rdev_tdls_cancel_channel_switch(rdev, dev, addr);
13140 static int nl80211_set_multicast_to_unicast(struct sk_buff *skb,
13141 struct genl_info *info)
13143 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13144 struct net_device *dev = info->user_ptr[1];
13145 struct wireless_dev *wdev = dev->ieee80211_ptr;
13146 const struct nlattr *nla;
13149 if (!rdev->ops->set_multicast_to_unicast)
13150 return -EOPNOTSUPP;
13152 if (wdev->iftype != NL80211_IFTYPE_AP &&
13153 wdev->iftype != NL80211_IFTYPE_P2P_GO)
13154 return -EOPNOTSUPP;
13156 nla = info->attrs[NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED];
13157 enabled = nla_get_flag(nla);
13159 return rdev_set_multicast_to_unicast(rdev, dev, enabled);
13162 static int nl80211_set_pmk(struct sk_buff *skb, struct genl_info *info)
13164 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13165 struct net_device *dev = info->user_ptr[1];
13166 struct wireless_dev *wdev = dev->ieee80211_ptr;
13167 struct cfg80211_pmk_conf pmk_conf = {};
13170 if (wdev->iftype != NL80211_IFTYPE_STATION &&
13171 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
13172 return -EOPNOTSUPP;
13174 if (!wiphy_ext_feature_isset(&rdev->wiphy,
13175 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
13176 return -EOPNOTSUPP;
13178 if (!info->attrs[NL80211_ATTR_MAC] || !info->attrs[NL80211_ATTR_PMK])
13182 if (!wdev->current_bss) {
13187 pmk_conf.aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
13188 if (memcmp(pmk_conf.aa, wdev->current_bss->pub.bssid, ETH_ALEN)) {
13193 pmk_conf.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
13194 pmk_conf.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
13195 if (pmk_conf.pmk_len != WLAN_PMK_LEN &&
13196 pmk_conf.pmk_len != WLAN_PMK_LEN_SUITE_B_192) {
13201 if (info->attrs[NL80211_ATTR_PMKR0_NAME]) {
13202 int r0_name_len = nla_len(info->attrs[NL80211_ATTR_PMKR0_NAME]);
13204 if (r0_name_len != WLAN_PMK_NAME_LEN) {
13209 pmk_conf.pmk_r0_name =
13210 nla_data(info->attrs[NL80211_ATTR_PMKR0_NAME]);
13213 ret = rdev_set_pmk(rdev, dev, &pmk_conf);
13219 static int nl80211_del_pmk(struct sk_buff *skb, struct genl_info *info)
13221 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13222 struct net_device *dev = info->user_ptr[1];
13223 struct wireless_dev *wdev = dev->ieee80211_ptr;
13227 if (wdev->iftype != NL80211_IFTYPE_STATION &&
13228 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
13229 return -EOPNOTSUPP;
13231 if (!wiphy_ext_feature_isset(&rdev->wiphy,
13232 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
13233 return -EOPNOTSUPP;
13235 if (!info->attrs[NL80211_ATTR_MAC])
13239 aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
13240 ret = rdev_del_pmk(rdev, dev, aa);
13246 static int nl80211_external_auth(struct sk_buff *skb, struct genl_info *info)
13248 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13249 struct net_device *dev = info->user_ptr[1];
13250 struct cfg80211_external_auth_params params;
13252 if (!rdev->ops->external_auth)
13253 return -EOPNOTSUPP;
13255 if (!info->attrs[NL80211_ATTR_SSID] &&
13256 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
13257 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
13260 if (!info->attrs[NL80211_ATTR_BSSID])
13263 if (!info->attrs[NL80211_ATTR_STATUS_CODE])
13266 memset(¶ms, 0, sizeof(params));
13268 if (info->attrs[NL80211_ATTR_SSID]) {
13269 params.ssid.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
13270 if (params.ssid.ssid_len == 0 ||
13271 params.ssid.ssid_len > IEEE80211_MAX_SSID_LEN)
13273 memcpy(params.ssid.ssid,
13274 nla_data(info->attrs[NL80211_ATTR_SSID]),
13275 params.ssid.ssid_len);
13278 memcpy(params.bssid, nla_data(info->attrs[NL80211_ATTR_BSSID]),
13281 params.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
13283 if (info->attrs[NL80211_ATTR_PMKID])
13284 params.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
13286 return rdev_external_auth(rdev, dev, ¶ms);
13289 static int nl80211_tx_control_port(struct sk_buff *skb, struct genl_info *info)
13291 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13292 struct net_device *dev = info->user_ptr[1];
13293 struct wireless_dev *wdev = dev->ieee80211_ptr;
13301 if (!wiphy_ext_feature_isset(&rdev->wiphy,
13302 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
13303 return -EOPNOTSUPP;
13305 if (!rdev->ops->tx_control_port)
13306 return -EOPNOTSUPP;
13308 if (!info->attrs[NL80211_ATTR_FRAME] ||
13309 !info->attrs[NL80211_ATTR_MAC] ||
13310 !info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
13311 GENL_SET_ERR_MSG(info, "Frame, MAC or ethertype missing");
13317 switch (wdev->iftype) {
13318 case NL80211_IFTYPE_AP:
13319 case NL80211_IFTYPE_P2P_GO:
13320 case NL80211_IFTYPE_MESH_POINT:
13322 case NL80211_IFTYPE_ADHOC:
13323 case NL80211_IFTYPE_STATION:
13324 case NL80211_IFTYPE_P2P_CLIENT:
13325 if (wdev->current_bss)
13336 buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
13337 len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
13338 dest = nla_data(info->attrs[NL80211_ATTR_MAC]);
13339 proto = nla_get_u16(info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
13341 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]);
13343 return rdev_tx_control_port(rdev, dev, buf, len,
13344 dest, cpu_to_be16(proto), noencrypt);
13351 static int nl80211_get_ftm_responder_stats(struct sk_buff *skb,
13352 struct genl_info *info)
13354 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13355 struct net_device *dev = info->user_ptr[1];
13356 struct wireless_dev *wdev = dev->ieee80211_ptr;
13357 struct cfg80211_ftm_responder_stats ftm_stats = {};
13358 struct sk_buff *msg;
13360 struct nlattr *ftm_stats_attr;
13363 if (wdev->iftype != NL80211_IFTYPE_AP || !wdev->beacon_interval)
13364 return -EOPNOTSUPP;
13366 err = rdev_get_ftm_responder_stats(rdev, dev, &ftm_stats);
13370 if (!ftm_stats.filled)
13373 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
13377 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
13378 NL80211_CMD_GET_FTM_RESPONDER_STATS);
13382 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
13383 goto nla_put_failure;
13385 ftm_stats_attr = nla_nest_start_noflag(msg,
13386 NL80211_ATTR_FTM_RESPONDER_STATS);
13387 if (!ftm_stats_attr)
13388 goto nla_put_failure;
13390 #define SET_FTM(field, name, type) \
13391 do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
13392 nla_put_ ## type(msg, NL80211_FTM_STATS_ ## name, \
13393 ftm_stats.field)) \
13394 goto nla_put_failure; } while (0)
13395 #define SET_FTM_U64(field, name) \
13396 do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
13397 nla_put_u64_64bit(msg, NL80211_FTM_STATS_ ## name, \
13398 ftm_stats.field, NL80211_FTM_STATS_PAD)) \
13399 goto nla_put_failure; } while (0)
13401 SET_FTM(success_num, SUCCESS_NUM, u32);
13402 SET_FTM(partial_num, PARTIAL_NUM, u32);
13403 SET_FTM(failed_num, FAILED_NUM, u32);
13404 SET_FTM(asap_num, ASAP_NUM, u32);
13405 SET_FTM(non_asap_num, NON_ASAP_NUM, u32);
13406 SET_FTM_U64(total_duration_ms, TOTAL_DURATION_MSEC);
13407 SET_FTM(unknown_triggers_num, UNKNOWN_TRIGGERS_NUM, u32);
13408 SET_FTM(reschedule_requests_num, RESCHEDULE_REQUESTS_NUM, u32);
13409 SET_FTM(out_of_window_triggers_num, OUT_OF_WINDOW_TRIGGERS_NUM, u32);
13412 nla_nest_end(msg, ftm_stats_attr);
13414 genlmsg_end(msg, hdr);
13415 return genlmsg_reply(msg, info);
13422 static int nl80211_update_owe_info(struct sk_buff *skb, struct genl_info *info)
13424 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13425 struct cfg80211_update_owe_info owe_info;
13426 struct net_device *dev = info->user_ptr[1];
13428 if (!rdev->ops->update_owe_info)
13429 return -EOPNOTSUPP;
13431 if (!info->attrs[NL80211_ATTR_STATUS_CODE] ||
13432 !info->attrs[NL80211_ATTR_MAC])
13435 memset(&owe_info, 0, sizeof(owe_info));
13436 owe_info.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
13437 nla_memcpy(owe_info.peer, info->attrs[NL80211_ATTR_MAC], ETH_ALEN);
13439 if (info->attrs[NL80211_ATTR_IE]) {
13440 owe_info.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
13441 owe_info.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
13444 return rdev_update_owe_info(rdev, dev, &owe_info);
13447 static int nl80211_probe_mesh_link(struct sk_buff *skb, struct genl_info *info)
13449 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13450 struct net_device *dev = info->user_ptr[1];
13451 struct wireless_dev *wdev = dev->ieee80211_ptr;
13452 struct station_info sinfo = {};
13458 if (!rdev->ops->probe_mesh_link || !rdev->ops->get_station)
13459 return -EOPNOTSUPP;
13461 if (!info->attrs[NL80211_ATTR_MAC] ||
13462 !info->attrs[NL80211_ATTR_FRAME]) {
13463 GENL_SET_ERR_MSG(info, "Frame or MAC missing");
13467 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
13468 return -EOPNOTSUPP;
13470 dest = nla_data(info->attrs[NL80211_ATTR_MAC]);
13471 buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
13472 len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
13474 if (len < sizeof(struct ethhdr))
13477 if (!ether_addr_equal(buf, dest) || is_multicast_ether_addr(buf) ||
13478 !ether_addr_equal(buf + ETH_ALEN, dev->dev_addr))
13481 err = rdev_get_station(rdev, dev, dest, &sinfo);
13485 return rdev_probe_mesh_link(rdev, dev, dest, buf, len);
13488 #define NL80211_FLAG_NEED_WIPHY 0x01
13489 #define NL80211_FLAG_NEED_NETDEV 0x02
13490 #define NL80211_FLAG_NEED_RTNL 0x04
13491 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
13492 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
13493 NL80211_FLAG_CHECK_NETDEV_UP)
13494 #define NL80211_FLAG_NEED_WDEV 0x10
13495 /* If a netdev is associated, it must be UP, P2P must be started */
13496 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
13497 NL80211_FLAG_CHECK_NETDEV_UP)
13498 #define NL80211_FLAG_CLEAR_SKB 0x20
13500 static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb,
13501 struct genl_info *info)
13503 struct cfg80211_registered_device *rdev;
13504 struct wireless_dev *wdev;
13505 struct net_device *dev;
13506 bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL;
13511 if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) {
13512 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
13513 if (IS_ERR(rdev)) {
13516 return PTR_ERR(rdev);
13518 info->user_ptr[0] = rdev;
13519 } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV ||
13520 ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
13523 wdev = __cfg80211_wdev_from_attrs(genl_info_net(info),
13525 if (IS_ERR(wdev)) {
13528 return PTR_ERR(wdev);
13531 dev = wdev->netdev;
13532 rdev = wiphy_to_rdev(wdev->wiphy);
13534 if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) {
13541 info->user_ptr[1] = dev;
13543 info->user_ptr[1] = wdev;
13546 if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP &&
13547 !wdev_running(wdev)) {
13556 info->user_ptr[0] = rdev;
13562 static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb,
13563 struct genl_info *info)
13565 if (info->user_ptr[1]) {
13566 if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
13567 struct wireless_dev *wdev = info->user_ptr[1];
13570 dev_put(wdev->netdev);
13572 dev_put(info->user_ptr[1]);
13576 if (ops->internal_flags & NL80211_FLAG_NEED_RTNL)
13579 /* If needed, clear the netlink message payload from the SKB
13580 * as it might contain key data that shouldn't stick around on
13581 * the heap after the SKB is freed. The netlink message header
13582 * is still needed for further processing, so leave it intact.
13584 if (ops->internal_flags & NL80211_FLAG_CLEAR_SKB) {
13585 struct nlmsghdr *nlh = nlmsg_hdr(skb);
13587 memset(nlmsg_data(nlh), 0, nlmsg_len(nlh));
13591 static const struct genl_ops nl80211_ops[] = {
13593 .cmd = NL80211_CMD_GET_WIPHY,
13594 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13595 .doit = nl80211_get_wiphy,
13596 .dumpit = nl80211_dump_wiphy,
13597 .done = nl80211_dump_wiphy_done,
13598 /* can be retrieved by unprivileged users */
13599 .internal_flags = NL80211_FLAG_NEED_WIPHY |
13600 NL80211_FLAG_NEED_RTNL,
13603 .cmd = NL80211_CMD_SET_WIPHY,
13604 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13605 .doit = nl80211_set_wiphy,
13606 .flags = GENL_UNS_ADMIN_PERM,
13607 .internal_flags = NL80211_FLAG_NEED_RTNL,
13610 .cmd = NL80211_CMD_GET_INTERFACE,
13611 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13612 .doit = nl80211_get_interface,
13613 .dumpit = nl80211_dump_interface,
13614 /* can be retrieved by unprivileged users */
13615 .internal_flags = NL80211_FLAG_NEED_WDEV |
13616 NL80211_FLAG_NEED_RTNL,
13619 .cmd = NL80211_CMD_SET_INTERFACE,
13620 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13621 .doit = nl80211_set_interface,
13622 .flags = GENL_UNS_ADMIN_PERM,
13623 .internal_flags = NL80211_FLAG_NEED_NETDEV |
13624 NL80211_FLAG_NEED_RTNL,
13627 .cmd = NL80211_CMD_NEW_INTERFACE,
13628 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13629 .doit = nl80211_new_interface,
13630 .flags = GENL_UNS_ADMIN_PERM,
13631 .internal_flags = NL80211_FLAG_NEED_WIPHY |
13632 NL80211_FLAG_NEED_RTNL,
13635 .cmd = NL80211_CMD_DEL_INTERFACE,
13636 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13637 .doit = nl80211_del_interface,
13638 .flags = GENL_UNS_ADMIN_PERM,
13639 .internal_flags = NL80211_FLAG_NEED_WDEV |
13640 NL80211_FLAG_NEED_RTNL,
13643 .cmd = NL80211_CMD_GET_KEY,
13644 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13645 .doit = nl80211_get_key,
13646 .flags = GENL_UNS_ADMIN_PERM,
13647 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13648 NL80211_FLAG_NEED_RTNL,
13651 .cmd = NL80211_CMD_SET_KEY,
13652 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13653 .doit = nl80211_set_key,
13654 .flags = GENL_UNS_ADMIN_PERM,
13655 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13656 NL80211_FLAG_NEED_RTNL |
13657 NL80211_FLAG_CLEAR_SKB,
13660 .cmd = NL80211_CMD_NEW_KEY,
13661 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13662 .doit = nl80211_new_key,
13663 .flags = GENL_UNS_ADMIN_PERM,
13664 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13665 NL80211_FLAG_NEED_RTNL |
13666 NL80211_FLAG_CLEAR_SKB,
13669 .cmd = NL80211_CMD_DEL_KEY,
13670 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13671 .doit = nl80211_del_key,
13672 .flags = GENL_UNS_ADMIN_PERM,
13673 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13674 NL80211_FLAG_NEED_RTNL,
13677 .cmd = NL80211_CMD_SET_BEACON,
13678 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13679 .flags = GENL_UNS_ADMIN_PERM,
13680 .doit = nl80211_set_beacon,
13681 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13682 NL80211_FLAG_NEED_RTNL,
13685 .cmd = NL80211_CMD_START_AP,
13686 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13687 .flags = GENL_UNS_ADMIN_PERM,
13688 .doit = nl80211_start_ap,
13689 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13690 NL80211_FLAG_NEED_RTNL,
13693 .cmd = NL80211_CMD_STOP_AP,
13694 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13695 .flags = GENL_UNS_ADMIN_PERM,
13696 .doit = nl80211_stop_ap,
13697 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13698 NL80211_FLAG_NEED_RTNL,
13701 .cmd = NL80211_CMD_GET_STATION,
13702 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13703 .doit = nl80211_get_station,
13704 .dumpit = nl80211_dump_station,
13705 .internal_flags = NL80211_FLAG_NEED_NETDEV |
13706 NL80211_FLAG_NEED_RTNL,
13709 .cmd = NL80211_CMD_SET_STATION,
13710 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13711 .doit = nl80211_set_station,
13712 .flags = GENL_UNS_ADMIN_PERM,
13713 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13714 NL80211_FLAG_NEED_RTNL,
13717 .cmd = NL80211_CMD_NEW_STATION,
13718 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13719 .doit = nl80211_new_station,
13720 .flags = GENL_UNS_ADMIN_PERM,
13721 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13722 NL80211_FLAG_NEED_RTNL,
13725 .cmd = NL80211_CMD_DEL_STATION,
13726 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13727 .doit = nl80211_del_station,
13728 .flags = GENL_UNS_ADMIN_PERM,
13729 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13730 NL80211_FLAG_NEED_RTNL,
13733 .cmd = NL80211_CMD_GET_MPATH,
13734 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13735 .doit = nl80211_get_mpath,
13736 .dumpit = nl80211_dump_mpath,
13737 .flags = GENL_UNS_ADMIN_PERM,
13738 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13739 NL80211_FLAG_NEED_RTNL,
13742 .cmd = NL80211_CMD_GET_MPP,
13743 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13744 .doit = nl80211_get_mpp,
13745 .dumpit = nl80211_dump_mpp,
13746 .flags = GENL_UNS_ADMIN_PERM,
13747 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13748 NL80211_FLAG_NEED_RTNL,
13751 .cmd = NL80211_CMD_SET_MPATH,
13752 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13753 .doit = nl80211_set_mpath,
13754 .flags = GENL_UNS_ADMIN_PERM,
13755 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13756 NL80211_FLAG_NEED_RTNL,
13759 .cmd = NL80211_CMD_NEW_MPATH,
13760 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13761 .doit = nl80211_new_mpath,
13762 .flags = GENL_UNS_ADMIN_PERM,
13763 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13764 NL80211_FLAG_NEED_RTNL,
13767 .cmd = NL80211_CMD_DEL_MPATH,
13768 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13769 .doit = nl80211_del_mpath,
13770 .flags = GENL_UNS_ADMIN_PERM,
13771 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13772 NL80211_FLAG_NEED_RTNL,
13775 .cmd = NL80211_CMD_SET_BSS,
13776 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13777 .doit = nl80211_set_bss,
13778 .flags = GENL_UNS_ADMIN_PERM,
13779 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13780 NL80211_FLAG_NEED_RTNL,
13783 .cmd = NL80211_CMD_GET_REG,
13784 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13785 .doit = nl80211_get_reg_do,
13786 .dumpit = nl80211_get_reg_dump,
13787 .internal_flags = NL80211_FLAG_NEED_RTNL,
13788 /* can be retrieved by unprivileged users */
13790 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
13792 .cmd = NL80211_CMD_SET_REG,
13793 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13794 .doit = nl80211_set_reg,
13795 .flags = GENL_ADMIN_PERM,
13796 .internal_flags = NL80211_FLAG_NEED_RTNL,
13800 .cmd = NL80211_CMD_REQ_SET_REG,
13801 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13802 .doit = nl80211_req_set_reg,
13803 .flags = GENL_ADMIN_PERM,
13806 .cmd = NL80211_CMD_RELOAD_REGDB,
13807 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13808 .doit = nl80211_reload_regdb,
13809 .flags = GENL_ADMIN_PERM,
13812 .cmd = NL80211_CMD_GET_MESH_CONFIG,
13813 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13814 .doit = nl80211_get_mesh_config,
13815 /* can be retrieved by unprivileged users */
13816 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13817 NL80211_FLAG_NEED_RTNL,
13820 .cmd = NL80211_CMD_SET_MESH_CONFIG,
13821 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13822 .doit = nl80211_update_mesh_config,
13823 .flags = GENL_UNS_ADMIN_PERM,
13824 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13825 NL80211_FLAG_NEED_RTNL,
13828 .cmd = NL80211_CMD_TRIGGER_SCAN,
13829 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13830 .doit = nl80211_trigger_scan,
13831 .flags = GENL_UNS_ADMIN_PERM,
13832 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
13833 NL80211_FLAG_NEED_RTNL,
13836 .cmd = NL80211_CMD_ABORT_SCAN,
13837 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13838 .doit = nl80211_abort_scan,
13839 .flags = GENL_UNS_ADMIN_PERM,
13840 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
13841 NL80211_FLAG_NEED_RTNL,
13844 .cmd = NL80211_CMD_GET_SCAN,
13845 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13846 .dumpit = nl80211_dump_scan,
13849 .cmd = NL80211_CMD_START_SCHED_SCAN,
13850 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13851 .doit = nl80211_start_sched_scan,
13852 .flags = GENL_UNS_ADMIN_PERM,
13853 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13854 NL80211_FLAG_NEED_RTNL,
13857 .cmd = NL80211_CMD_STOP_SCHED_SCAN,
13858 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13859 .doit = nl80211_stop_sched_scan,
13860 .flags = GENL_UNS_ADMIN_PERM,
13861 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13862 NL80211_FLAG_NEED_RTNL,
13865 .cmd = NL80211_CMD_AUTHENTICATE,
13866 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13867 .doit = nl80211_authenticate,
13868 .flags = GENL_UNS_ADMIN_PERM,
13869 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13870 NL80211_FLAG_NEED_RTNL |
13871 NL80211_FLAG_CLEAR_SKB,
13874 .cmd = NL80211_CMD_ASSOCIATE,
13875 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13876 .doit = nl80211_associate,
13877 .flags = GENL_UNS_ADMIN_PERM,
13878 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13879 NL80211_FLAG_NEED_RTNL |
13880 NL80211_FLAG_CLEAR_SKB,
13883 .cmd = NL80211_CMD_DEAUTHENTICATE,
13884 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13885 .doit = nl80211_deauthenticate,
13886 .flags = GENL_UNS_ADMIN_PERM,
13887 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13888 NL80211_FLAG_NEED_RTNL,
13891 .cmd = NL80211_CMD_DISASSOCIATE,
13892 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13893 .doit = nl80211_disassociate,
13894 .flags = GENL_UNS_ADMIN_PERM,
13895 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13896 NL80211_FLAG_NEED_RTNL,
13899 .cmd = NL80211_CMD_JOIN_IBSS,
13900 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13901 .doit = nl80211_join_ibss,
13902 .flags = GENL_UNS_ADMIN_PERM,
13903 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13904 NL80211_FLAG_NEED_RTNL,
13907 .cmd = NL80211_CMD_LEAVE_IBSS,
13908 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13909 .doit = nl80211_leave_ibss,
13910 .flags = GENL_UNS_ADMIN_PERM,
13911 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13912 NL80211_FLAG_NEED_RTNL,
13914 #ifdef CONFIG_NL80211_TESTMODE
13916 .cmd = NL80211_CMD_TESTMODE,
13917 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13918 .doit = nl80211_testmode_do,
13919 .dumpit = nl80211_testmode_dump,
13920 .flags = GENL_UNS_ADMIN_PERM,
13921 .internal_flags = NL80211_FLAG_NEED_WIPHY |
13922 NL80211_FLAG_NEED_RTNL,
13926 .cmd = NL80211_CMD_CONNECT,
13927 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13928 .doit = nl80211_connect,
13929 .flags = GENL_UNS_ADMIN_PERM,
13930 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13931 NL80211_FLAG_NEED_RTNL |
13932 NL80211_FLAG_CLEAR_SKB,
13935 .cmd = NL80211_CMD_UPDATE_CONNECT_PARAMS,
13936 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13937 .doit = nl80211_update_connect_params,
13938 .flags = GENL_ADMIN_PERM,
13939 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13940 NL80211_FLAG_NEED_RTNL |
13941 NL80211_FLAG_CLEAR_SKB,
13944 .cmd = NL80211_CMD_DISCONNECT,
13945 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13946 .doit = nl80211_disconnect,
13947 .flags = GENL_UNS_ADMIN_PERM,
13948 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13949 NL80211_FLAG_NEED_RTNL,
13952 .cmd = NL80211_CMD_SET_WIPHY_NETNS,
13953 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13954 .doit = nl80211_wiphy_netns,
13955 .flags = GENL_UNS_ADMIN_PERM,
13956 .internal_flags = NL80211_FLAG_NEED_WIPHY |
13957 NL80211_FLAG_NEED_RTNL,
13960 .cmd = NL80211_CMD_GET_SURVEY,
13961 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13962 .dumpit = nl80211_dump_survey,
13965 .cmd = NL80211_CMD_SET_PMKSA,
13966 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13967 .doit = nl80211_setdel_pmksa,
13968 .flags = GENL_UNS_ADMIN_PERM,
13969 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13970 NL80211_FLAG_NEED_RTNL |
13971 NL80211_FLAG_CLEAR_SKB,
13974 .cmd = NL80211_CMD_DEL_PMKSA,
13975 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13976 .doit = nl80211_setdel_pmksa,
13977 .flags = GENL_UNS_ADMIN_PERM,
13978 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13979 NL80211_FLAG_NEED_RTNL,
13982 .cmd = NL80211_CMD_FLUSH_PMKSA,
13983 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13984 .doit = nl80211_flush_pmksa,
13985 .flags = GENL_UNS_ADMIN_PERM,
13986 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13987 NL80211_FLAG_NEED_RTNL,
13990 .cmd = NL80211_CMD_REMAIN_ON_CHANNEL,
13991 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13992 .doit = nl80211_remain_on_channel,
13993 .flags = GENL_UNS_ADMIN_PERM,
13994 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
13995 NL80211_FLAG_NEED_RTNL,
13998 .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
13999 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14000 .doit = nl80211_cancel_remain_on_channel,
14001 .flags = GENL_UNS_ADMIN_PERM,
14002 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14003 NL80211_FLAG_NEED_RTNL,
14006 .cmd = NL80211_CMD_SET_TX_BITRATE_MASK,
14007 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14008 .doit = nl80211_set_tx_bitrate_mask,
14009 .flags = GENL_UNS_ADMIN_PERM,
14010 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14011 NL80211_FLAG_NEED_RTNL,
14014 .cmd = NL80211_CMD_REGISTER_FRAME,
14015 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14016 .doit = nl80211_register_mgmt,
14017 .flags = GENL_UNS_ADMIN_PERM,
14018 .internal_flags = NL80211_FLAG_NEED_WDEV |
14019 NL80211_FLAG_NEED_RTNL,
14022 .cmd = NL80211_CMD_FRAME,
14023 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14024 .doit = nl80211_tx_mgmt,
14025 .flags = GENL_UNS_ADMIN_PERM,
14026 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14027 NL80211_FLAG_NEED_RTNL,
14030 .cmd = NL80211_CMD_FRAME_WAIT_CANCEL,
14031 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14032 .doit = nl80211_tx_mgmt_cancel_wait,
14033 .flags = GENL_UNS_ADMIN_PERM,
14034 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14035 NL80211_FLAG_NEED_RTNL,
14038 .cmd = NL80211_CMD_SET_POWER_SAVE,
14039 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14040 .doit = nl80211_set_power_save,
14041 .flags = GENL_UNS_ADMIN_PERM,
14042 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14043 NL80211_FLAG_NEED_RTNL,
14046 .cmd = NL80211_CMD_GET_POWER_SAVE,
14047 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14048 .doit = nl80211_get_power_save,
14049 /* can be retrieved by unprivileged users */
14050 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14051 NL80211_FLAG_NEED_RTNL,
14054 .cmd = NL80211_CMD_SET_CQM,
14055 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14056 .doit = nl80211_set_cqm,
14057 .flags = GENL_UNS_ADMIN_PERM,
14058 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14059 NL80211_FLAG_NEED_RTNL,
14062 .cmd = NL80211_CMD_SET_CHANNEL,
14063 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14064 .doit = nl80211_set_channel,
14065 .flags = GENL_UNS_ADMIN_PERM,
14066 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14067 NL80211_FLAG_NEED_RTNL,
14070 .cmd = NL80211_CMD_SET_WDS_PEER,
14071 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14072 .doit = nl80211_set_wds_peer,
14073 .flags = GENL_UNS_ADMIN_PERM,
14074 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14075 NL80211_FLAG_NEED_RTNL,
14078 .cmd = NL80211_CMD_JOIN_MESH,
14079 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14080 .doit = nl80211_join_mesh,
14081 .flags = GENL_UNS_ADMIN_PERM,
14082 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14083 NL80211_FLAG_NEED_RTNL,
14086 .cmd = NL80211_CMD_LEAVE_MESH,
14087 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14088 .doit = nl80211_leave_mesh,
14089 .flags = GENL_UNS_ADMIN_PERM,
14090 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14091 NL80211_FLAG_NEED_RTNL,
14094 .cmd = NL80211_CMD_JOIN_OCB,
14095 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14096 .doit = nl80211_join_ocb,
14097 .flags = GENL_UNS_ADMIN_PERM,
14098 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14099 NL80211_FLAG_NEED_RTNL,
14102 .cmd = NL80211_CMD_LEAVE_OCB,
14103 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14104 .doit = nl80211_leave_ocb,
14105 .flags = GENL_UNS_ADMIN_PERM,
14106 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14107 NL80211_FLAG_NEED_RTNL,
14111 .cmd = NL80211_CMD_GET_WOWLAN,
14112 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14113 .doit = nl80211_get_wowlan,
14114 /* can be retrieved by unprivileged users */
14115 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14116 NL80211_FLAG_NEED_RTNL,
14119 .cmd = NL80211_CMD_SET_WOWLAN,
14120 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14121 .doit = nl80211_set_wowlan,
14122 .flags = GENL_UNS_ADMIN_PERM,
14123 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14124 NL80211_FLAG_NEED_RTNL,
14128 .cmd = NL80211_CMD_SET_REKEY_OFFLOAD,
14129 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14130 .doit = nl80211_set_rekey_data,
14131 .flags = GENL_UNS_ADMIN_PERM,
14132 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14133 NL80211_FLAG_NEED_RTNL |
14134 NL80211_FLAG_CLEAR_SKB,
14137 .cmd = NL80211_CMD_TDLS_MGMT,
14138 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14139 .doit = nl80211_tdls_mgmt,
14140 .flags = GENL_UNS_ADMIN_PERM,
14141 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14142 NL80211_FLAG_NEED_RTNL,
14145 .cmd = NL80211_CMD_TDLS_OPER,
14146 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14147 .doit = nl80211_tdls_oper,
14148 .flags = GENL_UNS_ADMIN_PERM,
14149 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14150 NL80211_FLAG_NEED_RTNL,
14153 .cmd = NL80211_CMD_UNEXPECTED_FRAME,
14154 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14155 .doit = nl80211_register_unexpected_frame,
14156 .flags = GENL_UNS_ADMIN_PERM,
14157 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14158 NL80211_FLAG_NEED_RTNL,
14161 .cmd = NL80211_CMD_PROBE_CLIENT,
14162 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14163 .doit = nl80211_probe_client,
14164 .flags = GENL_UNS_ADMIN_PERM,
14165 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14166 NL80211_FLAG_NEED_RTNL,
14169 .cmd = NL80211_CMD_REGISTER_BEACONS,
14170 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14171 .doit = nl80211_register_beacons,
14172 .flags = GENL_UNS_ADMIN_PERM,
14173 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14174 NL80211_FLAG_NEED_RTNL,
14177 .cmd = NL80211_CMD_SET_NOACK_MAP,
14178 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14179 .doit = nl80211_set_noack_map,
14180 .flags = GENL_UNS_ADMIN_PERM,
14181 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14182 NL80211_FLAG_NEED_RTNL,
14185 .cmd = NL80211_CMD_START_P2P_DEVICE,
14186 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14187 .doit = nl80211_start_p2p_device,
14188 .flags = GENL_UNS_ADMIN_PERM,
14189 .internal_flags = NL80211_FLAG_NEED_WDEV |
14190 NL80211_FLAG_NEED_RTNL,
14193 .cmd = NL80211_CMD_STOP_P2P_DEVICE,
14194 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14195 .doit = nl80211_stop_p2p_device,
14196 .flags = GENL_UNS_ADMIN_PERM,
14197 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14198 NL80211_FLAG_NEED_RTNL,
14201 .cmd = NL80211_CMD_START_NAN,
14202 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14203 .doit = nl80211_start_nan,
14204 .flags = GENL_ADMIN_PERM,
14205 .internal_flags = NL80211_FLAG_NEED_WDEV |
14206 NL80211_FLAG_NEED_RTNL,
14209 .cmd = NL80211_CMD_STOP_NAN,
14210 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14211 .doit = nl80211_stop_nan,
14212 .flags = GENL_ADMIN_PERM,
14213 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14214 NL80211_FLAG_NEED_RTNL,
14217 .cmd = NL80211_CMD_ADD_NAN_FUNCTION,
14218 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14219 .doit = nl80211_nan_add_func,
14220 .flags = GENL_ADMIN_PERM,
14221 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14222 NL80211_FLAG_NEED_RTNL,
14225 .cmd = NL80211_CMD_DEL_NAN_FUNCTION,
14226 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14227 .doit = nl80211_nan_del_func,
14228 .flags = GENL_ADMIN_PERM,
14229 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14230 NL80211_FLAG_NEED_RTNL,
14233 .cmd = NL80211_CMD_CHANGE_NAN_CONFIG,
14234 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14235 .doit = nl80211_nan_change_config,
14236 .flags = GENL_ADMIN_PERM,
14237 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14238 NL80211_FLAG_NEED_RTNL,
14241 .cmd = NL80211_CMD_SET_MCAST_RATE,
14242 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14243 .doit = nl80211_set_mcast_rate,
14244 .flags = GENL_UNS_ADMIN_PERM,
14245 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14246 NL80211_FLAG_NEED_RTNL,
14249 .cmd = NL80211_CMD_SET_MAC_ACL,
14250 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14251 .doit = nl80211_set_mac_acl,
14252 .flags = GENL_UNS_ADMIN_PERM,
14253 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14254 NL80211_FLAG_NEED_RTNL,
14257 .cmd = NL80211_CMD_RADAR_DETECT,
14258 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14259 .doit = nl80211_start_radar_detection,
14260 .flags = GENL_UNS_ADMIN_PERM,
14261 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14262 NL80211_FLAG_NEED_RTNL,
14265 .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES,
14266 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14267 .doit = nl80211_get_protocol_features,
14270 .cmd = NL80211_CMD_UPDATE_FT_IES,
14271 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14272 .doit = nl80211_update_ft_ies,
14273 .flags = GENL_UNS_ADMIN_PERM,
14274 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14275 NL80211_FLAG_NEED_RTNL,
14278 .cmd = NL80211_CMD_CRIT_PROTOCOL_START,
14279 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14280 .doit = nl80211_crit_protocol_start,
14281 .flags = GENL_UNS_ADMIN_PERM,
14282 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14283 NL80211_FLAG_NEED_RTNL,
14286 .cmd = NL80211_CMD_CRIT_PROTOCOL_STOP,
14287 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14288 .doit = nl80211_crit_protocol_stop,
14289 .flags = GENL_UNS_ADMIN_PERM,
14290 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14291 NL80211_FLAG_NEED_RTNL,
14294 .cmd = NL80211_CMD_GET_COALESCE,
14295 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14296 .doit = nl80211_get_coalesce,
14297 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14298 NL80211_FLAG_NEED_RTNL,
14301 .cmd = NL80211_CMD_SET_COALESCE,
14302 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14303 .doit = nl80211_set_coalesce,
14304 .flags = GENL_UNS_ADMIN_PERM,
14305 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14306 NL80211_FLAG_NEED_RTNL,
14309 .cmd = NL80211_CMD_CHANNEL_SWITCH,
14310 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14311 .doit = nl80211_channel_switch,
14312 .flags = GENL_UNS_ADMIN_PERM,
14313 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14314 NL80211_FLAG_NEED_RTNL,
14317 .cmd = NL80211_CMD_VENDOR,
14318 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14319 .doit = nl80211_vendor_cmd,
14320 .dumpit = nl80211_vendor_cmd_dump,
14321 .flags = GENL_UNS_ADMIN_PERM,
14322 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14323 NL80211_FLAG_NEED_RTNL |
14324 NL80211_FLAG_CLEAR_SKB,
14327 .cmd = NL80211_CMD_SET_QOS_MAP,
14328 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14329 .doit = nl80211_set_qos_map,
14330 .flags = GENL_UNS_ADMIN_PERM,
14331 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14332 NL80211_FLAG_NEED_RTNL,
14335 .cmd = NL80211_CMD_ADD_TX_TS,
14336 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14337 .doit = nl80211_add_tx_ts,
14338 .flags = GENL_UNS_ADMIN_PERM,
14339 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14340 NL80211_FLAG_NEED_RTNL,
14343 .cmd = NL80211_CMD_DEL_TX_TS,
14344 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14345 .doit = nl80211_del_tx_ts,
14346 .flags = GENL_UNS_ADMIN_PERM,
14347 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14348 NL80211_FLAG_NEED_RTNL,
14351 .cmd = NL80211_CMD_TDLS_CHANNEL_SWITCH,
14352 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14353 .doit = nl80211_tdls_channel_switch,
14354 .flags = GENL_UNS_ADMIN_PERM,
14355 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14356 NL80211_FLAG_NEED_RTNL,
14359 .cmd = NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH,
14360 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14361 .doit = nl80211_tdls_cancel_channel_switch,
14362 .flags = GENL_UNS_ADMIN_PERM,
14363 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14364 NL80211_FLAG_NEED_RTNL,
14367 .cmd = NL80211_CMD_SET_MULTICAST_TO_UNICAST,
14368 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14369 .doit = nl80211_set_multicast_to_unicast,
14370 .flags = GENL_UNS_ADMIN_PERM,
14371 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14372 NL80211_FLAG_NEED_RTNL,
14375 .cmd = NL80211_CMD_SET_PMK,
14376 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14377 .doit = nl80211_set_pmk,
14378 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14379 NL80211_FLAG_NEED_RTNL |
14380 NL80211_FLAG_CLEAR_SKB,
14383 .cmd = NL80211_CMD_DEL_PMK,
14384 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14385 .doit = nl80211_del_pmk,
14386 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14387 NL80211_FLAG_NEED_RTNL,
14390 .cmd = NL80211_CMD_EXTERNAL_AUTH,
14391 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14392 .doit = nl80211_external_auth,
14393 .flags = GENL_ADMIN_PERM,
14394 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14395 NL80211_FLAG_NEED_RTNL,
14398 .cmd = NL80211_CMD_CONTROL_PORT_FRAME,
14399 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14400 .doit = nl80211_tx_control_port,
14401 .flags = GENL_UNS_ADMIN_PERM,
14402 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14403 NL80211_FLAG_NEED_RTNL,
14406 .cmd = NL80211_CMD_GET_FTM_RESPONDER_STATS,
14407 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14408 .doit = nl80211_get_ftm_responder_stats,
14409 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14410 NL80211_FLAG_NEED_RTNL,
14413 .cmd = NL80211_CMD_PEER_MEASUREMENT_START,
14414 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14415 .doit = nl80211_pmsr_start,
14416 .flags = GENL_UNS_ADMIN_PERM,
14417 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14418 NL80211_FLAG_NEED_RTNL,
14421 .cmd = NL80211_CMD_NOTIFY_RADAR,
14422 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
14423 .doit = nl80211_notify_radar_detection,
14424 .flags = GENL_UNS_ADMIN_PERM,
14425 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14426 NL80211_FLAG_NEED_RTNL,
14429 .cmd = NL80211_CMD_UPDATE_OWE_INFO,
14430 .doit = nl80211_update_owe_info,
14431 .flags = GENL_ADMIN_PERM,
14432 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14433 NL80211_FLAG_NEED_RTNL,
14436 .cmd = NL80211_CMD_PROBE_MESH_LINK,
14437 .doit = nl80211_probe_mesh_link,
14438 .flags = GENL_UNS_ADMIN_PERM,
14439 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14440 NL80211_FLAG_NEED_RTNL,
14444 static struct genl_family nl80211_fam __ro_after_init = {
14445 .name = NL80211_GENL_NAME, /* have users key off the name instead */
14446 .hdrsize = 0, /* no private header */
14447 .version = 1, /* no particular meaning now */
14448 .maxattr = NL80211_ATTR_MAX,
14449 .policy = nl80211_policy,
14451 .pre_doit = nl80211_pre_doit,
14452 .post_doit = nl80211_post_doit,
14453 .module = THIS_MODULE,
14454 .ops = nl80211_ops,
14455 .n_ops = ARRAY_SIZE(nl80211_ops),
14456 .mcgrps = nl80211_mcgrps,
14457 .n_mcgrps = ARRAY_SIZE(nl80211_mcgrps),
14460 /* notification functions */
14462 void nl80211_notify_wiphy(struct cfg80211_registered_device *rdev,
14463 enum nl80211_commands cmd)
14465 struct sk_buff *msg;
14466 struct nl80211_dump_wiphy_state state = {};
14468 WARN_ON(cmd != NL80211_CMD_NEW_WIPHY &&
14469 cmd != NL80211_CMD_DEL_WIPHY);
14471 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14475 if (nl80211_send_wiphy(rdev, cmd, msg, 0, 0, 0, &state) < 0) {
14480 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14481 NL80211_MCGRP_CONFIG, GFP_KERNEL);
14484 void nl80211_notify_iface(struct cfg80211_registered_device *rdev,
14485 struct wireless_dev *wdev,
14486 enum nl80211_commands cmd)
14488 struct sk_buff *msg;
14490 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14494 if (nl80211_send_iface(msg, 0, 0, 0, rdev, wdev, cmd) < 0) {
14499 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14500 NL80211_MCGRP_CONFIG, GFP_KERNEL);
14503 static int nl80211_add_scan_req(struct sk_buff *msg,
14504 struct cfg80211_registered_device *rdev)
14506 struct cfg80211_scan_request *req = rdev->scan_req;
14507 struct nlattr *nest;
14513 nest = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_SSIDS);
14515 goto nla_put_failure;
14516 for (i = 0; i < req->n_ssids; i++) {
14517 if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid))
14518 goto nla_put_failure;
14520 nla_nest_end(msg, nest);
14522 nest = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_FREQUENCIES);
14524 goto nla_put_failure;
14525 for (i = 0; i < req->n_channels; i++) {
14526 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
14527 goto nla_put_failure;
14529 nla_nest_end(msg, nest);
14532 nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie))
14533 goto nla_put_failure;
14536 nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags))
14537 goto nla_put_failure;
14539 if (req->info.scan_start_tsf &&
14540 (nla_put_u64_64bit(msg, NL80211_ATTR_SCAN_START_TIME_TSF,
14541 req->info.scan_start_tsf, NL80211_BSS_PAD) ||
14542 nla_put(msg, NL80211_ATTR_SCAN_START_TIME_TSF_BSSID, ETH_ALEN,
14543 req->info.tsf_bssid)))
14544 goto nla_put_failure;
14551 static int nl80211_prep_scan_msg(struct sk_buff *msg,
14552 struct cfg80211_registered_device *rdev,
14553 struct wireless_dev *wdev,
14554 u32 portid, u32 seq, int flags,
14559 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
14563 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14564 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
14565 wdev->netdev->ifindex)) ||
14566 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
14568 goto nla_put_failure;
14570 /* ignore errors and send incomplete event anyway */
14571 nl80211_add_scan_req(msg, rdev);
14573 genlmsg_end(msg, hdr);
14577 genlmsg_cancel(msg, hdr);
14582 nl80211_prep_sched_scan_msg(struct sk_buff *msg,
14583 struct cfg80211_sched_scan_request *req, u32 cmd)
14587 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
14591 if (nla_put_u32(msg, NL80211_ATTR_WIPHY,
14592 wiphy_to_rdev(req->wiphy)->wiphy_idx) ||
14593 nla_put_u32(msg, NL80211_ATTR_IFINDEX, req->dev->ifindex) ||
14594 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, req->reqid,
14596 goto nla_put_failure;
14598 genlmsg_end(msg, hdr);
14602 genlmsg_cancel(msg, hdr);
14606 void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
14607 struct wireless_dev *wdev)
14609 struct sk_buff *msg;
14611 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14615 if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0,
14616 NL80211_CMD_TRIGGER_SCAN) < 0) {
14621 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14622 NL80211_MCGRP_SCAN, GFP_KERNEL);
14625 struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev,
14626 struct wireless_dev *wdev, bool aborted)
14628 struct sk_buff *msg;
14630 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14634 if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0,
14635 aborted ? NL80211_CMD_SCAN_ABORTED :
14636 NL80211_CMD_NEW_SCAN_RESULTS) < 0) {
14644 /* send message created by nl80211_build_scan_msg() */
14645 void nl80211_send_scan_msg(struct cfg80211_registered_device *rdev,
14646 struct sk_buff *msg)
14651 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14652 NL80211_MCGRP_SCAN, GFP_KERNEL);
14655 void nl80211_send_sched_scan(struct cfg80211_sched_scan_request *req, u32 cmd)
14657 struct sk_buff *msg;
14659 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14663 if (nl80211_prep_sched_scan_msg(msg, req, cmd) < 0) {
14668 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(req->wiphy), msg, 0,
14669 NL80211_MCGRP_SCAN, GFP_KERNEL);
14672 static bool nl80211_reg_change_event_fill(struct sk_buff *msg,
14673 struct regulatory_request *request)
14675 /* Userspace can always count this one always being set */
14676 if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator))
14677 goto nla_put_failure;
14679 if (request->alpha2[0] == '0' && request->alpha2[1] == '0') {
14680 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
14681 NL80211_REGDOM_TYPE_WORLD))
14682 goto nla_put_failure;
14683 } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') {
14684 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
14685 NL80211_REGDOM_TYPE_CUSTOM_WORLD))
14686 goto nla_put_failure;
14687 } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') ||
14688 request->intersect) {
14689 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
14690 NL80211_REGDOM_TYPE_INTERSECTION))
14691 goto nla_put_failure;
14693 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
14694 NL80211_REGDOM_TYPE_COUNTRY) ||
14695 nla_put_string(msg, NL80211_ATTR_REG_ALPHA2,
14697 goto nla_put_failure;
14700 if (request->wiphy_idx != WIPHY_IDX_INVALID) {
14701 struct wiphy *wiphy = wiphy_idx_to_wiphy(request->wiphy_idx);
14704 nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx))
14705 goto nla_put_failure;
14708 wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
14709 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
14710 goto nla_put_failure;
14720 * This can happen on global regulatory changes or device specific settings
14721 * based on custom regulatory domains.
14723 void nl80211_common_reg_change_event(enum nl80211_commands cmd_id,
14724 struct regulatory_request *request)
14726 struct sk_buff *msg;
14729 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14733 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd_id);
14739 if (nl80211_reg_change_event_fill(msg, request) == false)
14740 goto nla_put_failure;
14742 genlmsg_end(msg, hdr);
14745 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
14746 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
14755 static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
14756 struct net_device *netdev,
14757 const u8 *buf, size_t len,
14758 enum nl80211_commands cmd, gfp_t gfp,
14759 int uapsd_queues, const u8 *req_ies,
14760 size_t req_ies_len)
14762 struct sk_buff *msg;
14765 msg = nlmsg_new(100 + len + req_ies_len, gfp);
14769 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
14775 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14776 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
14777 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
14779 nla_put(msg, NL80211_ATTR_REQ_IE, req_ies_len, req_ies)))
14780 goto nla_put_failure;
14782 if (uapsd_queues >= 0) {
14783 struct nlattr *nla_wmm =
14784 nla_nest_start_noflag(msg, NL80211_ATTR_STA_WME);
14786 goto nla_put_failure;
14788 if (nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES,
14790 goto nla_put_failure;
14792 nla_nest_end(msg, nla_wmm);
14795 genlmsg_end(msg, hdr);
14797 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14798 NL80211_MCGRP_MLME, gfp);
14805 void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev,
14806 struct net_device *netdev, const u8 *buf,
14807 size_t len, gfp_t gfp)
14809 nl80211_send_mlme_event(rdev, netdev, buf, len,
14810 NL80211_CMD_AUTHENTICATE, gfp, -1, NULL, 0);
14813 void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev,
14814 struct net_device *netdev, const u8 *buf,
14815 size_t len, gfp_t gfp, int uapsd_queues,
14816 const u8 *req_ies, size_t req_ies_len)
14818 nl80211_send_mlme_event(rdev, netdev, buf, len,
14819 NL80211_CMD_ASSOCIATE, gfp, uapsd_queues,
14820 req_ies, req_ies_len);
14823 void nl80211_send_deauth(struct cfg80211_registered_device *rdev,
14824 struct net_device *netdev, const u8 *buf,
14825 size_t len, gfp_t gfp)
14827 nl80211_send_mlme_event(rdev, netdev, buf, len,
14828 NL80211_CMD_DEAUTHENTICATE, gfp, -1, NULL, 0);
14831 void nl80211_send_disassoc(struct cfg80211_registered_device *rdev,
14832 struct net_device *netdev, const u8 *buf,
14833 size_t len, gfp_t gfp)
14835 nl80211_send_mlme_event(rdev, netdev, buf, len,
14836 NL80211_CMD_DISASSOCIATE, gfp, -1, NULL, 0);
14839 void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf,
14842 struct wireless_dev *wdev = dev->ieee80211_ptr;
14843 struct wiphy *wiphy = wdev->wiphy;
14844 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
14845 const struct ieee80211_mgmt *mgmt = (void *)buf;
14848 if (WARN_ON(len < 2))
14851 if (ieee80211_is_deauth(mgmt->frame_control))
14852 cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE;
14854 cmd = NL80211_CMD_UNPROT_DISASSOCIATE;
14856 trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len);
14857 nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC, -1,
14860 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt);
14862 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev,
14863 struct net_device *netdev, int cmd,
14864 const u8 *addr, gfp_t gfp)
14866 struct sk_buff *msg;
14869 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
14873 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
14879 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14880 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
14881 nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
14882 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
14883 goto nla_put_failure;
14885 genlmsg_end(msg, hdr);
14887 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14888 NL80211_MCGRP_MLME, gfp);
14895 void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev,
14896 struct net_device *netdev, const u8 *addr,
14899 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE,
14903 void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev,
14904 struct net_device *netdev, const u8 *addr,
14907 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE,
14911 void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
14912 struct net_device *netdev,
14913 struct cfg80211_connect_resp_params *cr,
14916 struct sk_buff *msg;
14919 msg = nlmsg_new(100 + cr->req_ie_len + cr->resp_ie_len +
14920 cr->fils.kek_len + cr->fils.pmk_len +
14921 (cr->fils.pmkid ? WLAN_PMKID_LEN : 0), gfp);
14925 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT);
14931 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14932 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
14934 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, cr->bssid)) ||
14935 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE,
14936 cr->status < 0 ? WLAN_STATUS_UNSPECIFIED_FAILURE :
14939 (nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
14940 nla_put_u32(msg, NL80211_ATTR_TIMEOUT_REASON,
14941 cr->timeout_reason))) ||
14943 nla_put(msg, NL80211_ATTR_REQ_IE, cr->req_ie_len, cr->req_ie)) ||
14945 nla_put(msg, NL80211_ATTR_RESP_IE, cr->resp_ie_len,
14947 (cr->fils.update_erp_next_seq_num &&
14948 nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
14949 cr->fils.erp_next_seq_num)) ||
14950 (cr->status == WLAN_STATUS_SUCCESS &&
14952 nla_put(msg, NL80211_ATTR_FILS_KEK, cr->fils.kek_len,
14955 nla_put(msg, NL80211_ATTR_PMK, cr->fils.pmk_len, cr->fils.pmk)) ||
14957 nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, cr->fils.pmkid)))))
14958 goto nla_put_failure;
14960 genlmsg_end(msg, hdr);
14962 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14963 NL80211_MCGRP_MLME, gfp);
14970 void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
14971 struct net_device *netdev,
14972 struct cfg80211_roam_info *info, gfp_t gfp)
14974 struct sk_buff *msg;
14976 const u8 *bssid = info->bss ? info->bss->bssid : info->bssid;
14978 msg = nlmsg_new(100 + info->req_ie_len + info->resp_ie_len +
14979 info->fils.kek_len + info->fils.pmk_len +
14980 (info->fils.pmkid ? WLAN_PMKID_LEN : 0), gfp);
14984 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM);
14990 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14991 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
14992 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid) ||
14994 nla_put(msg, NL80211_ATTR_REQ_IE, info->req_ie_len,
14997 nla_put(msg, NL80211_ATTR_RESP_IE, info->resp_ie_len,
14999 (info->fils.update_erp_next_seq_num &&
15000 nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
15001 info->fils.erp_next_seq_num)) ||
15003 nla_put(msg, NL80211_ATTR_FILS_KEK, info->fils.kek_len,
15004 info->fils.kek)) ||
15006 nla_put(msg, NL80211_ATTR_PMK, info->fils.pmk_len, info->fils.pmk)) ||
15007 (info->fils.pmkid &&
15008 nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, info->fils.pmkid)))
15009 goto nla_put_failure;
15011 genlmsg_end(msg, hdr);
15013 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15014 NL80211_MCGRP_MLME, gfp);
15021 void nl80211_send_port_authorized(struct cfg80211_registered_device *rdev,
15022 struct net_device *netdev, const u8 *bssid)
15024 struct sk_buff *msg;
15027 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
15031 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PORT_AUTHORIZED);
15037 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
15038 goto nla_put_failure;
15040 genlmsg_end(msg, hdr);
15042 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15043 NL80211_MCGRP_MLME, GFP_KERNEL);
15050 void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
15051 struct net_device *netdev, u16 reason,
15052 const u8 *ie, size_t ie_len, bool from_ap)
15054 struct sk_buff *msg;
15057 msg = nlmsg_new(100 + ie_len, GFP_KERNEL);
15061 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT);
15067 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15068 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15070 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) ||
15072 nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) ||
15073 (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie)))
15074 goto nla_put_failure;
15076 genlmsg_end(msg, hdr);
15078 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15079 NL80211_MCGRP_MLME, GFP_KERNEL);
15086 void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev,
15087 struct net_device *netdev, const u8 *bssid,
15090 struct sk_buff *msg;
15093 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15097 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS);
15103 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15104 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15105 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
15106 goto nla_put_failure;
15108 genlmsg_end(msg, hdr);
15110 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15111 NL80211_MCGRP_MLME, gfp);
15118 void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr,
15119 const u8 *ie, u8 ie_len,
15120 int sig_dbm, gfp_t gfp)
15122 struct wireless_dev *wdev = dev->ieee80211_ptr;
15123 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
15124 struct sk_buff *msg;
15127 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT))
15130 trace_cfg80211_notify_new_peer_candidate(dev, addr);
15132 msg = nlmsg_new(100 + ie_len, gfp);
15136 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE);
15142 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15143 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
15144 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
15146 nla_put(msg, NL80211_ATTR_IE, ie_len, ie)) ||
15148 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)))
15149 goto nla_put_failure;
15151 genlmsg_end(msg, hdr);
15153 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15154 NL80211_MCGRP_MLME, gfp);
15160 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate);
15162 void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
15163 struct net_device *netdev, const u8 *addr,
15164 enum nl80211_key_type key_type, int key_id,
15165 const u8 *tsc, gfp_t gfp)
15167 struct sk_buff *msg;
15170 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15174 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE);
15180 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15181 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15182 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
15183 nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) ||
15185 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) ||
15186 (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc)))
15187 goto nla_put_failure;
15189 genlmsg_end(msg, hdr);
15191 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15192 NL80211_MCGRP_MLME, gfp);
15199 void nl80211_send_beacon_hint_event(struct wiphy *wiphy,
15200 struct ieee80211_channel *channel_before,
15201 struct ieee80211_channel *channel_after)
15203 struct sk_buff *msg;
15205 struct nlattr *nl_freq;
15207 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
15211 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT);
15218 * Since we are applying the beacon hint to a wiphy we know its
15219 * wiphy_idx is valid
15221 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
15222 goto nla_put_failure;
15225 nl_freq = nla_nest_start_noflag(msg, NL80211_ATTR_FREQ_BEFORE);
15227 goto nla_put_failure;
15229 if (nl80211_msg_put_channel(msg, wiphy, channel_before, false))
15230 goto nla_put_failure;
15231 nla_nest_end(msg, nl_freq);
15234 nl_freq = nla_nest_start_noflag(msg, NL80211_ATTR_FREQ_AFTER);
15236 goto nla_put_failure;
15238 if (nl80211_msg_put_channel(msg, wiphy, channel_after, false))
15239 goto nla_put_failure;
15240 nla_nest_end(msg, nl_freq);
15242 genlmsg_end(msg, hdr);
15245 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
15246 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
15255 static void nl80211_send_remain_on_chan_event(
15256 int cmd, struct cfg80211_registered_device *rdev,
15257 struct wireless_dev *wdev, u64 cookie,
15258 struct ieee80211_channel *chan,
15259 unsigned int duration, gfp_t gfp)
15261 struct sk_buff *msg;
15264 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15268 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
15274 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15275 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
15276 wdev->netdev->ifindex)) ||
15277 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
15278 NL80211_ATTR_PAD) ||
15279 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) ||
15280 nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
15281 NL80211_CHAN_NO_HT) ||
15282 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
15284 goto nla_put_failure;
15286 if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL &&
15287 nla_put_u32(msg, NL80211_ATTR_DURATION, duration))
15288 goto nla_put_failure;
15290 genlmsg_end(msg, hdr);
15292 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15293 NL80211_MCGRP_MLME, gfp);
15300 void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie,
15301 struct ieee80211_channel *chan,
15302 unsigned int duration, gfp_t gfp)
15304 struct wiphy *wiphy = wdev->wiphy;
15305 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15307 trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration);
15308 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL,
15309 rdev, wdev, cookie, chan,
15312 EXPORT_SYMBOL(cfg80211_ready_on_channel);
15314 void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie,
15315 struct ieee80211_channel *chan,
15318 struct wiphy *wiphy = wdev->wiphy;
15319 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15321 trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan);
15322 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
15323 rdev, wdev, cookie, chan, 0, gfp);
15325 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired);
15327 void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr,
15328 struct station_info *sinfo, gfp_t gfp)
15330 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
15331 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15332 struct sk_buff *msg;
15334 trace_cfg80211_new_sta(dev, mac_addr, sinfo);
15336 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15340 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION, 0, 0, 0,
15341 rdev, dev, mac_addr, sinfo) < 0) {
15346 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15347 NL80211_MCGRP_MLME, gfp);
15349 EXPORT_SYMBOL(cfg80211_new_sta);
15351 void cfg80211_del_sta_sinfo(struct net_device *dev, const u8 *mac_addr,
15352 struct station_info *sinfo, gfp_t gfp)
15354 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
15355 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15356 struct sk_buff *msg;
15357 struct station_info empty_sinfo = {};
15360 sinfo = &empty_sinfo;
15362 trace_cfg80211_del_sta(dev, mac_addr);
15364 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15366 cfg80211_sinfo_release_content(sinfo);
15370 if (nl80211_send_station(msg, NL80211_CMD_DEL_STATION, 0, 0, 0,
15371 rdev, dev, mac_addr, sinfo) < 0) {
15376 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15377 NL80211_MCGRP_MLME, gfp);
15379 EXPORT_SYMBOL(cfg80211_del_sta_sinfo);
15381 void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr,
15382 enum nl80211_connect_failed_reason reason,
15385 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
15386 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15387 struct sk_buff *msg;
15390 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
15394 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED);
15400 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
15401 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
15402 nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason))
15403 goto nla_put_failure;
15405 genlmsg_end(msg, hdr);
15407 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15408 NL80211_MCGRP_MLME, gfp);
15414 EXPORT_SYMBOL(cfg80211_conn_failed);
15416 static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd,
15417 const u8 *addr, gfp_t gfp)
15419 struct wireless_dev *wdev = dev->ieee80211_ptr;
15420 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
15421 struct sk_buff *msg;
15423 u32 nlportid = READ_ONCE(wdev->ap_unexpected_nlportid);
15428 msg = nlmsg_new(100, gfp);
15432 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
15438 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15439 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
15440 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
15441 goto nla_put_failure;
15443 genlmsg_end(msg, hdr);
15444 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
15452 bool cfg80211_rx_spurious_frame(struct net_device *dev,
15453 const u8 *addr, gfp_t gfp)
15455 struct wireless_dev *wdev = dev->ieee80211_ptr;
15458 trace_cfg80211_rx_spurious_frame(dev, addr);
15460 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
15461 wdev->iftype != NL80211_IFTYPE_P2P_GO)) {
15462 trace_cfg80211_return_bool(false);
15465 ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME,
15467 trace_cfg80211_return_bool(ret);
15470 EXPORT_SYMBOL(cfg80211_rx_spurious_frame);
15472 bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev,
15473 const u8 *addr, gfp_t gfp)
15475 struct wireless_dev *wdev = dev->ieee80211_ptr;
15478 trace_cfg80211_rx_unexpected_4addr_frame(dev, addr);
15480 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
15481 wdev->iftype != NL80211_IFTYPE_P2P_GO &&
15482 wdev->iftype != NL80211_IFTYPE_AP_VLAN)) {
15483 trace_cfg80211_return_bool(false);
15486 ret = __nl80211_unexpected_frame(dev,
15487 NL80211_CMD_UNEXPECTED_4ADDR_FRAME,
15489 trace_cfg80211_return_bool(ret);
15492 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame);
15494 int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
15495 struct wireless_dev *wdev, u32 nlportid,
15496 int freq, int sig_dbm,
15497 const u8 *buf, size_t len, u32 flags, gfp_t gfp)
15499 struct net_device *netdev = wdev->netdev;
15500 struct sk_buff *msg;
15503 msg = nlmsg_new(100 + len, gfp);
15507 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
15513 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15514 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
15515 netdev->ifindex)) ||
15516 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
15517 NL80211_ATTR_PAD) ||
15518 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) ||
15520 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
15521 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
15523 nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, flags)))
15524 goto nla_put_failure;
15526 genlmsg_end(msg, hdr);
15528 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
15535 void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie,
15536 const u8 *buf, size_t len, bool ack, gfp_t gfp)
15538 struct wiphy *wiphy = wdev->wiphy;
15539 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15540 struct net_device *netdev = wdev->netdev;
15541 struct sk_buff *msg;
15544 trace_cfg80211_mgmt_tx_status(wdev, cookie, ack);
15546 msg = nlmsg_new(100 + len, gfp);
15550 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS);
15556 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15557 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
15558 netdev->ifindex)) ||
15559 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
15560 NL80211_ATTR_PAD) ||
15561 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
15562 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
15563 NL80211_ATTR_PAD) ||
15564 (ack && nla_put_flag(msg, NL80211_ATTR_ACK)))
15565 goto nla_put_failure;
15567 genlmsg_end(msg, hdr);
15569 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15570 NL80211_MCGRP_MLME, gfp);
15576 EXPORT_SYMBOL(cfg80211_mgmt_tx_status);
15578 static int __nl80211_rx_control_port(struct net_device *dev,
15579 struct sk_buff *skb,
15580 bool unencrypted, gfp_t gfp)
15582 struct wireless_dev *wdev = dev->ieee80211_ptr;
15583 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
15584 struct ethhdr *ehdr = eth_hdr(skb);
15585 const u8 *addr = ehdr->h_source;
15586 u16 proto = be16_to_cpu(skb->protocol);
15587 struct sk_buff *msg;
15589 struct nlattr *frame;
15591 u32 nlportid = READ_ONCE(wdev->conn_owner_nlportid);
15596 msg = nlmsg_new(100 + skb->len, gfp);
15600 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONTROL_PORT_FRAME);
15606 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15607 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
15608 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
15609 NL80211_ATTR_PAD) ||
15610 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
15611 nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, proto) ||
15612 (unencrypted && nla_put_flag(msg,
15613 NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)))
15614 goto nla_put_failure;
15616 frame = nla_reserve(msg, NL80211_ATTR_FRAME, skb->len);
15618 goto nla_put_failure;
15620 skb_copy_bits(skb, 0, nla_data(frame), skb->len);
15621 genlmsg_end(msg, hdr);
15623 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
15630 bool cfg80211_rx_control_port(struct net_device *dev,
15631 struct sk_buff *skb, bool unencrypted)
15635 trace_cfg80211_rx_control_port(dev, skb, unencrypted);
15636 ret = __nl80211_rx_control_port(dev, skb, unencrypted, GFP_ATOMIC);
15637 trace_cfg80211_return_bool(ret == 0);
15640 EXPORT_SYMBOL(cfg80211_rx_control_port);
15642 static struct sk_buff *cfg80211_prepare_cqm(struct net_device *dev,
15643 const char *mac, gfp_t gfp)
15645 struct wireless_dev *wdev = dev->ieee80211_ptr;
15646 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
15647 struct sk_buff *msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15653 cb = (void **)msg->cb;
15655 cb[0] = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
15661 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15662 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
15663 goto nla_put_failure;
15665 if (mac && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
15666 goto nla_put_failure;
15668 cb[1] = nla_nest_start_noflag(msg, NL80211_ATTR_CQM);
15670 goto nla_put_failure;
15680 static void cfg80211_send_cqm(struct sk_buff *msg, gfp_t gfp)
15682 void **cb = (void **)msg->cb;
15683 struct cfg80211_registered_device *rdev = cb[2];
15685 nla_nest_end(msg, cb[1]);
15686 genlmsg_end(msg, cb[0]);
15688 memset(msg->cb, 0, sizeof(msg->cb));
15690 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15691 NL80211_MCGRP_MLME, gfp);
15694 void cfg80211_cqm_rssi_notify(struct net_device *dev,
15695 enum nl80211_cqm_rssi_threshold_event rssi_event,
15696 s32 rssi_level, gfp_t gfp)
15698 struct sk_buff *msg;
15699 struct wireless_dev *wdev = dev->ieee80211_ptr;
15700 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
15702 trace_cfg80211_cqm_rssi_notify(dev, rssi_event, rssi_level);
15704 if (WARN_ON(rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW &&
15705 rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH))
15708 if (wdev->cqm_config) {
15709 wdev->cqm_config->last_rssi_event_value = rssi_level;
15711 cfg80211_cqm_rssi_update(rdev, dev);
15713 if (rssi_level == 0)
15714 rssi_level = wdev->cqm_config->last_rssi_event_value;
15717 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
15721 if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT,
15723 goto nla_put_failure;
15725 if (rssi_level && nla_put_s32(msg, NL80211_ATTR_CQM_RSSI_LEVEL,
15727 goto nla_put_failure;
15729 cfg80211_send_cqm(msg, gfp);
15736 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify);
15738 void cfg80211_cqm_txe_notify(struct net_device *dev,
15739 const u8 *peer, u32 num_packets,
15740 u32 rate, u32 intvl, gfp_t gfp)
15742 struct sk_buff *msg;
15744 msg = cfg80211_prepare_cqm(dev, peer, gfp);
15748 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets))
15749 goto nla_put_failure;
15751 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate))
15752 goto nla_put_failure;
15754 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl))
15755 goto nla_put_failure;
15757 cfg80211_send_cqm(msg, gfp);
15763 EXPORT_SYMBOL(cfg80211_cqm_txe_notify);
15765 void cfg80211_cqm_pktloss_notify(struct net_device *dev,
15766 const u8 *peer, u32 num_packets, gfp_t gfp)
15768 struct sk_buff *msg;
15770 trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets);
15772 msg = cfg80211_prepare_cqm(dev, peer, gfp);
15776 if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets))
15777 goto nla_put_failure;
15779 cfg80211_send_cqm(msg, gfp);
15785 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify);
15787 void cfg80211_cqm_beacon_loss_notify(struct net_device *dev, gfp_t gfp)
15789 struct sk_buff *msg;
15791 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
15795 if (nla_put_flag(msg, NL80211_ATTR_CQM_BEACON_LOSS_EVENT))
15796 goto nla_put_failure;
15798 cfg80211_send_cqm(msg, gfp);
15804 EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify);
15806 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev,
15807 struct net_device *netdev, const u8 *bssid,
15808 const u8 *replay_ctr, gfp_t gfp)
15810 struct sk_buff *msg;
15811 struct nlattr *rekey_attr;
15814 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15818 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD);
15824 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15825 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15826 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
15827 goto nla_put_failure;
15829 rekey_attr = nla_nest_start_noflag(msg, NL80211_ATTR_REKEY_DATA);
15831 goto nla_put_failure;
15833 if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR,
15834 NL80211_REPLAY_CTR_LEN, replay_ctr))
15835 goto nla_put_failure;
15837 nla_nest_end(msg, rekey_attr);
15839 genlmsg_end(msg, hdr);
15841 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15842 NL80211_MCGRP_MLME, gfp);
15849 void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid,
15850 const u8 *replay_ctr, gfp_t gfp)
15852 struct wireless_dev *wdev = dev->ieee80211_ptr;
15853 struct wiphy *wiphy = wdev->wiphy;
15854 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15856 trace_cfg80211_gtk_rekey_notify(dev, bssid);
15857 nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp);
15859 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify);
15862 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev,
15863 struct net_device *netdev, int index,
15864 const u8 *bssid, bool preauth, gfp_t gfp)
15866 struct sk_buff *msg;
15867 struct nlattr *attr;
15870 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15874 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE);
15880 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15881 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
15882 goto nla_put_failure;
15884 attr = nla_nest_start_noflag(msg, NL80211_ATTR_PMKSA_CANDIDATE);
15886 goto nla_put_failure;
15888 if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) ||
15889 nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) ||
15891 nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH)))
15892 goto nla_put_failure;
15894 nla_nest_end(msg, attr);
15896 genlmsg_end(msg, hdr);
15898 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15899 NL80211_MCGRP_MLME, gfp);
15906 void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index,
15907 const u8 *bssid, bool preauth, gfp_t gfp)
15909 struct wireless_dev *wdev = dev->ieee80211_ptr;
15910 struct wiphy *wiphy = wdev->wiphy;
15911 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15913 trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth);
15914 nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp);
15916 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify);
15918 static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev,
15919 struct net_device *netdev,
15920 struct cfg80211_chan_def *chandef,
15922 enum nl80211_commands notif,
15925 struct sk_buff *msg;
15928 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15932 hdr = nl80211hdr_put(msg, 0, 0, 0, notif);
15938 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
15939 goto nla_put_failure;
15941 if (nl80211_send_chandef(msg, chandef))
15942 goto nla_put_failure;
15944 if ((notif == NL80211_CMD_CH_SWITCH_STARTED_NOTIFY) &&
15945 (nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT, count)))
15946 goto nla_put_failure;
15948 genlmsg_end(msg, hdr);
15950 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15951 NL80211_MCGRP_MLME, gfp);
15958 void cfg80211_ch_switch_notify(struct net_device *dev,
15959 struct cfg80211_chan_def *chandef)
15961 struct wireless_dev *wdev = dev->ieee80211_ptr;
15962 struct wiphy *wiphy = wdev->wiphy;
15963 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15965 ASSERT_WDEV_LOCK(wdev);
15967 trace_cfg80211_ch_switch_notify(dev, chandef);
15969 wdev->chandef = *chandef;
15970 wdev->preset_chandef = *chandef;
15972 if (wdev->iftype == NL80211_IFTYPE_STATION &&
15973 !WARN_ON(!wdev->current_bss))
15974 wdev->current_bss->pub.channel = chandef->chan;
15976 nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL,
15977 NL80211_CMD_CH_SWITCH_NOTIFY, 0);
15979 EXPORT_SYMBOL(cfg80211_ch_switch_notify);
15981 void cfg80211_ch_switch_started_notify(struct net_device *dev,
15982 struct cfg80211_chan_def *chandef,
15985 struct wireless_dev *wdev = dev->ieee80211_ptr;
15986 struct wiphy *wiphy = wdev->wiphy;
15987 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15989 trace_cfg80211_ch_switch_started_notify(dev, chandef);
15991 nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL,
15992 NL80211_CMD_CH_SWITCH_STARTED_NOTIFY, count);
15994 EXPORT_SYMBOL(cfg80211_ch_switch_started_notify);
15997 nl80211_radar_notify(struct cfg80211_registered_device *rdev,
15998 const struct cfg80211_chan_def *chandef,
15999 enum nl80211_radar_event event,
16000 struct net_device *netdev, gfp_t gfp)
16002 struct sk_buff *msg;
16005 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16009 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT);
16015 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
16016 goto nla_put_failure;
16018 /* NOP and radar events don't need a netdev parameter */
16020 struct wireless_dev *wdev = netdev->ieee80211_ptr;
16022 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16023 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16025 goto nla_put_failure;
16028 if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event))
16029 goto nla_put_failure;
16031 if (nl80211_send_chandef(msg, chandef))
16032 goto nla_put_failure;
16034 genlmsg_end(msg, hdr);
16036 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16037 NL80211_MCGRP_MLME, gfp);
16044 void cfg80211_sta_opmode_change_notify(struct net_device *dev, const u8 *mac,
16045 struct sta_opmode_info *sta_opmode,
16048 struct sk_buff *msg;
16049 struct wireless_dev *wdev = dev->ieee80211_ptr;
16050 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16056 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16060 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STA_OPMODE_CHANGED);
16066 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
16067 goto nla_put_failure;
16069 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
16070 goto nla_put_failure;
16072 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
16073 goto nla_put_failure;
16075 if ((sta_opmode->changed & STA_OPMODE_SMPS_MODE_CHANGED) &&
16076 nla_put_u8(msg, NL80211_ATTR_SMPS_MODE, sta_opmode->smps_mode))
16077 goto nla_put_failure;
16079 if ((sta_opmode->changed & STA_OPMODE_MAX_BW_CHANGED) &&
16080 nla_put_u8(msg, NL80211_ATTR_CHANNEL_WIDTH, sta_opmode->bw))
16081 goto nla_put_failure;
16083 if ((sta_opmode->changed & STA_OPMODE_N_SS_CHANGED) &&
16084 nla_put_u8(msg, NL80211_ATTR_NSS, sta_opmode->rx_nss))
16085 goto nla_put_failure;
16087 genlmsg_end(msg, hdr);
16089 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16090 NL80211_MCGRP_MLME, gfp);
16097 EXPORT_SYMBOL(cfg80211_sta_opmode_change_notify);
16099 void cfg80211_probe_status(struct net_device *dev, const u8 *addr,
16100 u64 cookie, bool acked, s32 ack_signal,
16101 bool is_valid_ack_signal, gfp_t gfp)
16103 struct wireless_dev *wdev = dev->ieee80211_ptr;
16104 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16105 struct sk_buff *msg;
16108 trace_cfg80211_probe_status(dev, addr, cookie, acked);
16110 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16115 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT);
16121 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16122 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16123 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
16124 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
16125 NL80211_ATTR_PAD) ||
16126 (acked && nla_put_flag(msg, NL80211_ATTR_ACK)) ||
16127 (is_valid_ack_signal && nla_put_s32(msg, NL80211_ATTR_ACK_SIGNAL,
16129 goto nla_put_failure;
16131 genlmsg_end(msg, hdr);
16133 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16134 NL80211_MCGRP_MLME, gfp);
16140 EXPORT_SYMBOL(cfg80211_probe_status);
16142 void cfg80211_report_obss_beacon(struct wiphy *wiphy,
16143 const u8 *frame, size_t len,
16144 int freq, int sig_dbm)
16146 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16147 struct sk_buff *msg;
16149 struct cfg80211_beacon_registration *reg;
16151 trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm);
16153 spin_lock_bh(&rdev->beacon_registrations_lock);
16154 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
16155 msg = nlmsg_new(len + 100, GFP_ATOMIC);
16157 spin_unlock_bh(&rdev->beacon_registrations_lock);
16161 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
16163 goto nla_put_failure;
16165 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16167 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) ||
16169 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
16170 nla_put(msg, NL80211_ATTR_FRAME, len, frame))
16171 goto nla_put_failure;
16173 genlmsg_end(msg, hdr);
16175 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid);
16177 spin_unlock_bh(&rdev->beacon_registrations_lock);
16181 spin_unlock_bh(&rdev->beacon_registrations_lock);
16184 EXPORT_SYMBOL(cfg80211_report_obss_beacon);
16187 static int cfg80211_net_detect_results(struct sk_buff *msg,
16188 struct cfg80211_wowlan_wakeup *wakeup)
16190 struct cfg80211_wowlan_nd_info *nd = wakeup->net_detect;
16191 struct nlattr *nl_results, *nl_match, *nl_freqs;
16194 nl_results = nla_nest_start_noflag(msg,
16195 NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS);
16199 for (i = 0; i < nd->n_matches; i++) {
16200 struct cfg80211_wowlan_nd_match *match = nd->matches[i];
16202 nl_match = nla_nest_start_noflag(msg, i);
16206 /* The SSID attribute is optional in nl80211, but for
16207 * simplicity reasons it's always present in the
16208 * cfg80211 structure. If a driver can't pass the
16209 * SSID, that needs to be changed. A zero length SSID
16210 * is still a valid SSID (wildcard), so it cannot be
16211 * used for this purpose.
16213 if (nla_put(msg, NL80211_ATTR_SSID, match->ssid.ssid_len,
16214 match->ssid.ssid)) {
16215 nla_nest_cancel(msg, nl_match);
16219 if (match->n_channels) {
16220 nl_freqs = nla_nest_start_noflag(msg,
16221 NL80211_ATTR_SCAN_FREQUENCIES);
16223 nla_nest_cancel(msg, nl_match);
16227 for (j = 0; j < match->n_channels; j++) {
16228 if (nla_put_u32(msg, j, match->channels[j])) {
16229 nla_nest_cancel(msg, nl_freqs);
16230 nla_nest_cancel(msg, nl_match);
16235 nla_nest_end(msg, nl_freqs);
16238 nla_nest_end(msg, nl_match);
16242 nla_nest_end(msg, nl_results);
16246 void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev,
16247 struct cfg80211_wowlan_wakeup *wakeup,
16250 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16251 struct sk_buff *msg;
16255 trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup);
16258 size += wakeup->packet_present_len;
16260 msg = nlmsg_new(size, gfp);
16264 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN);
16268 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16269 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16273 if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
16274 wdev->netdev->ifindex))
16278 struct nlattr *reasons;
16280 reasons = nla_nest_start_noflag(msg,
16281 NL80211_ATTR_WOWLAN_TRIGGERS);
16285 if (wakeup->disconnect &&
16286 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT))
16288 if (wakeup->magic_pkt &&
16289 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT))
16291 if (wakeup->gtk_rekey_failure &&
16292 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE))
16294 if (wakeup->eap_identity_req &&
16295 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST))
16297 if (wakeup->four_way_handshake &&
16298 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE))
16300 if (wakeup->rfkill_release &&
16301 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))
16304 if (wakeup->pattern_idx >= 0 &&
16305 nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
16306 wakeup->pattern_idx))
16309 if (wakeup->tcp_match &&
16310 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH))
16313 if (wakeup->tcp_connlost &&
16314 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST))
16317 if (wakeup->tcp_nomoretokens &&
16319 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS))
16322 if (wakeup->packet) {
16323 u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211;
16324 u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN;
16326 if (!wakeup->packet_80211) {
16328 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023;
16330 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN;
16333 if (wakeup->packet_len &&
16334 nla_put_u32(msg, len_attr, wakeup->packet_len))
16337 if (nla_put(msg, pkt_attr, wakeup->packet_present_len,
16342 if (wakeup->net_detect &&
16343 cfg80211_net_detect_results(msg, wakeup))
16346 nla_nest_end(msg, reasons);
16349 genlmsg_end(msg, hdr);
16351 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16352 NL80211_MCGRP_MLME, gfp);
16358 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup);
16361 void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer,
16362 enum nl80211_tdls_operation oper,
16363 u16 reason_code, gfp_t gfp)
16365 struct wireless_dev *wdev = dev->ieee80211_ptr;
16366 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16367 struct sk_buff *msg;
16370 trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper,
16373 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16377 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER);
16383 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16384 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16385 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) ||
16386 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) ||
16387 (reason_code > 0 &&
16388 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code)))
16389 goto nla_put_failure;
16391 genlmsg_end(msg, hdr);
16393 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16394 NL80211_MCGRP_MLME, gfp);
16400 EXPORT_SYMBOL(cfg80211_tdls_oper_request);
16402 static int nl80211_netlink_notify(struct notifier_block * nb,
16403 unsigned long state,
16406 struct netlink_notify *notify = _notify;
16407 struct cfg80211_registered_device *rdev;
16408 struct wireless_dev *wdev;
16409 struct cfg80211_beacon_registration *reg, *tmp;
16411 if (state != NETLINK_URELEASE || notify->protocol != NETLINK_GENERIC)
16412 return NOTIFY_DONE;
16416 list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) {
16417 struct cfg80211_sched_scan_request *sched_scan_req;
16419 list_for_each_entry_rcu(sched_scan_req,
16420 &rdev->sched_scan_req_list,
16422 if (sched_scan_req->owner_nlportid == notify->portid) {
16423 sched_scan_req->nl_owner_dead = true;
16424 schedule_work(&rdev->sched_scan_stop_wk);
16428 list_for_each_entry_rcu(wdev, &rdev->wiphy.wdev_list, list) {
16429 cfg80211_mlme_unregister_socket(wdev, notify->portid);
16431 if (wdev->owner_nlportid == notify->portid) {
16432 wdev->nl_owner_dead = true;
16433 schedule_work(&rdev->destroy_work);
16434 } else if (wdev->conn_owner_nlportid == notify->portid) {
16435 schedule_work(&wdev->disconnect_wk);
16438 cfg80211_release_pmsr(wdev, notify->portid);
16441 spin_lock_bh(&rdev->beacon_registrations_lock);
16442 list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations,
16444 if (reg->nlportid == notify->portid) {
16445 list_del(®->list);
16450 spin_unlock_bh(&rdev->beacon_registrations_lock);
16456 * It is possible that the user space process that is controlling the
16457 * indoor setting disappeared, so notify the regulatory core.
16459 regulatory_netlink_notify(notify->portid);
16463 static struct notifier_block nl80211_netlink_notifier = {
16464 .notifier_call = nl80211_netlink_notify,
16467 void cfg80211_ft_event(struct net_device *netdev,
16468 struct cfg80211_ft_event_params *ft_event)
16470 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
16471 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16472 struct sk_buff *msg;
16475 trace_cfg80211_ft_event(wiphy, netdev, ft_event);
16477 if (!ft_event->target_ap)
16480 msg = nlmsg_new(100 + ft_event->ies_len + ft_event->ric_ies_len,
16485 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT);
16489 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16490 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16491 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap))
16494 if (ft_event->ies &&
16495 nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies))
16497 if (ft_event->ric_ies &&
16498 nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len,
16499 ft_event->ric_ies))
16502 genlmsg_end(msg, hdr);
16504 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16505 NL80211_MCGRP_MLME, GFP_KERNEL);
16510 EXPORT_SYMBOL(cfg80211_ft_event);
16512 void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp)
16514 struct cfg80211_registered_device *rdev;
16515 struct sk_buff *msg;
16519 rdev = wiphy_to_rdev(wdev->wiphy);
16520 if (!rdev->crit_proto_nlportid)
16523 nlportid = rdev->crit_proto_nlportid;
16524 rdev->crit_proto_nlportid = 0;
16526 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16530 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP);
16532 goto nla_put_failure;
16534 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16535 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16537 goto nla_put_failure;
16539 genlmsg_end(msg, hdr);
16541 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
16547 EXPORT_SYMBOL(cfg80211_crit_proto_stopped);
16549 void nl80211_send_ap_stopped(struct wireless_dev *wdev)
16551 struct wiphy *wiphy = wdev->wiphy;
16552 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16553 struct sk_buff *msg;
16556 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
16560 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STOP_AP);
16564 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16565 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex) ||
16566 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16570 genlmsg_end(msg, hdr);
16572 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(wiphy), msg, 0,
16573 NL80211_MCGRP_MLME, GFP_KERNEL);
16579 int cfg80211_external_auth_request(struct net_device *dev,
16580 struct cfg80211_external_auth_params *params,
16583 struct wireless_dev *wdev = dev->ieee80211_ptr;
16584 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16585 struct sk_buff *msg;
16588 if (!wdev->conn_owner_nlportid)
16591 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16595 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_EXTERNAL_AUTH);
16597 goto nla_put_failure;
16599 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16600 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16601 nla_put_u32(msg, NL80211_ATTR_AKM_SUITES, params->key_mgmt_suite) ||
16602 nla_put_u32(msg, NL80211_ATTR_EXTERNAL_AUTH_ACTION,
16604 nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, params->bssid) ||
16605 nla_put(msg, NL80211_ATTR_SSID, params->ssid.ssid_len,
16606 params->ssid.ssid))
16607 goto nla_put_failure;
16609 genlmsg_end(msg, hdr);
16610 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
16611 wdev->conn_owner_nlportid);
16618 EXPORT_SYMBOL(cfg80211_external_auth_request);
16620 void cfg80211_update_owe_info_event(struct net_device *netdev,
16621 struct cfg80211_update_owe_info *owe_info,
16624 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
16625 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16626 struct sk_buff *msg;
16629 trace_cfg80211_update_owe_info_event(wiphy, netdev, owe_info);
16631 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16635 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_UPDATE_OWE_INFO);
16637 goto nla_put_failure;
16639 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16640 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16641 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, owe_info->peer))
16642 goto nla_put_failure;
16644 if (!owe_info->ie_len ||
16645 nla_put(msg, NL80211_ATTR_IE, owe_info->ie_len, owe_info->ie))
16646 goto nla_put_failure;
16648 genlmsg_end(msg, hdr);
16650 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16651 NL80211_MCGRP_MLME, gfp);
16655 genlmsg_cancel(msg, hdr);
16658 EXPORT_SYMBOL(cfg80211_update_owe_info_event);
16660 /* initialisation/exit functions */
16662 int __init nl80211_init(void)
16666 err = genl_register_family(&nl80211_fam);
16670 err = netlink_register_notifier(&nl80211_netlink_notifier);
16676 genl_unregister_family(&nl80211_fam);
16680 void nl80211_exit(void)
16682 netlink_unregister_notifier(&nl80211_netlink_notifier);
16683 genl_unregister_family(&nl80211_fam);