1 // SPDX-License-Identifier: GPL-2.0-only
3 * This is the new netlink-based wireless configuration interface.
5 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
6 * Copyright 2013-2014 Intel Mobile Communications GmbH
7 * Copyright 2015-2017 Intel Deutschland GmbH
8 * Copyright (C) 2018-2020 Intel Corporation
12 #include <linux/module.h>
13 #include <linux/err.h>
14 #include <linux/slab.h>
15 #include <linux/list.h>
16 #include <linux/if_ether.h>
17 #include <linux/ieee80211.h>
18 #include <linux/nl80211.h>
19 #include <linux/rtnetlink.h>
20 #include <linux/netlink.h>
21 #include <linux/nospec.h>
22 #include <linux/etherdevice.h>
23 #include <linux/if_vlan.h>
24 #include <net/net_namespace.h>
25 #include <net/genetlink.h>
26 #include <net/cfg80211.h>
28 #include <net/inet_connection_sock.h>
34 static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
35 struct genl_info *info,
36 struct cfg80211_crypto_settings *settings,
39 /* the netlink family */
40 static struct genl_family nl80211_fam;
42 /* multicast groups */
43 enum nl80211_multicast_groups {
46 NL80211_MCGRP_REGULATORY,
50 NL80211_MCGRP_TESTMODE /* keep last - ifdef! */
53 static const struct genl_multicast_group nl80211_mcgrps[] = {
54 [NL80211_MCGRP_CONFIG] = { .name = NL80211_MULTICAST_GROUP_CONFIG },
55 [NL80211_MCGRP_SCAN] = { .name = NL80211_MULTICAST_GROUP_SCAN },
56 [NL80211_MCGRP_REGULATORY] = { .name = NL80211_MULTICAST_GROUP_REG },
57 [NL80211_MCGRP_MLME] = { .name = NL80211_MULTICAST_GROUP_MLME },
58 [NL80211_MCGRP_VENDOR] = { .name = NL80211_MULTICAST_GROUP_VENDOR },
59 [NL80211_MCGRP_NAN] = { .name = NL80211_MULTICAST_GROUP_NAN },
60 #ifdef CONFIG_NL80211_TESTMODE
61 [NL80211_MCGRP_TESTMODE] = { .name = NL80211_MULTICAST_GROUP_TESTMODE }
65 /* returns ERR_PTR values */
66 static struct wireless_dev *
67 __cfg80211_wdev_from_attrs(struct cfg80211_registered_device *rdev,
68 struct net *netns, struct nlattr **attrs)
70 struct wireless_dev *result = NULL;
71 bool have_ifidx = attrs[NL80211_ATTR_IFINDEX];
72 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;
88 struct wireless_dev *wdev;
90 lockdep_assert_held(&rdev->wiphy.mtx);
92 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
93 if (have_ifidx && wdev->netdev &&
94 wdev->netdev->ifindex == ifidx) {
98 if (have_wdev_id && wdev->identifier == (u32)wdev_id) {
104 return result ?: ERR_PTR(-ENODEV);
109 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
110 struct wireless_dev *wdev;
112 if (wiphy_net(&rdev->wiphy) != netns)
115 if (have_wdev_id && rdev->wiphy_idx != wiphy_idx)
118 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
119 if (have_ifidx && wdev->netdev &&
120 wdev->netdev->ifindex == ifidx) {
124 if (have_wdev_id && wdev->identifier == (u32)wdev_id) {
136 return ERR_PTR(-ENODEV);
139 static struct cfg80211_registered_device *
140 __cfg80211_rdev_from_attrs(struct net *netns, struct nlattr **attrs)
142 struct cfg80211_registered_device *rdev = NULL, *tmp;
143 struct net_device *netdev;
147 if (!attrs[NL80211_ATTR_WIPHY] &&
148 !attrs[NL80211_ATTR_IFINDEX] &&
149 !attrs[NL80211_ATTR_WDEV])
150 return ERR_PTR(-EINVAL);
152 if (attrs[NL80211_ATTR_WIPHY])
153 rdev = cfg80211_rdev_by_wiphy_idx(
154 nla_get_u32(attrs[NL80211_ATTR_WIPHY]));
156 if (attrs[NL80211_ATTR_WDEV]) {
157 u64 wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]);
158 struct wireless_dev *wdev;
161 tmp = cfg80211_rdev_by_wiphy_idx(wdev_id >> 32);
163 /* make sure wdev exists */
164 list_for_each_entry(wdev, &tmp->wiphy.wdev_list, list) {
165 if (wdev->identifier != (u32)wdev_id)
174 if (rdev && tmp != rdev)
175 return ERR_PTR(-EINVAL);
180 if (attrs[NL80211_ATTR_IFINDEX]) {
181 int ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);
183 netdev = __dev_get_by_index(netns, ifindex);
185 if (netdev->ieee80211_ptr)
187 netdev->ieee80211_ptr->wiphy);
191 /* not wireless device -- return error */
193 return ERR_PTR(-EINVAL);
195 /* mismatch -- return error */
196 if (rdev && tmp != rdev)
197 return ERR_PTR(-EINVAL);
204 return ERR_PTR(-ENODEV);
206 if (netns != wiphy_net(&rdev->wiphy))
207 return ERR_PTR(-ENODEV);
213 * This function returns a pointer to the driver
214 * that the genl_info item that is passed refers to.
216 * The result of this can be a PTR_ERR and hence must
217 * be checked with IS_ERR() for errors.
219 static struct cfg80211_registered_device *
220 cfg80211_get_dev_from_info(struct net *netns, struct genl_info *info)
222 return __cfg80211_rdev_from_attrs(netns, info->attrs);
225 static int validate_beacon_head(const struct nlattr *attr,
226 struct netlink_ext_ack *extack)
228 const u8 *data = nla_data(attr);
229 unsigned int len = nla_len(attr);
230 const struct element *elem;
231 const struct ieee80211_mgmt *mgmt = (void *)data;
232 bool s1g_bcn = ieee80211_is_s1g_beacon(mgmt->frame_control);
233 unsigned int fixedlen, hdrlen;
236 fixedlen = offsetof(struct ieee80211_ext,
237 u.s1g_beacon.variable);
238 hdrlen = offsetof(struct ieee80211_ext, u.s1g_beacon);
240 fixedlen = offsetof(struct ieee80211_mgmt,
242 hdrlen = offsetof(struct ieee80211_mgmt, u.beacon);
248 if (ieee80211_hdrlen(mgmt->frame_control) != hdrlen)
254 for_each_element(elem, data, len) {
258 if (for_each_element_completed(elem, data, len))
262 NL_SET_ERR_MSG_ATTR(extack, attr, "malformed beacon head");
266 static int validate_ie_attr(const struct nlattr *attr,
267 struct netlink_ext_ack *extack)
269 const u8 *data = nla_data(attr);
270 unsigned int len = nla_len(attr);
271 const struct element *elem;
273 for_each_element(elem, data, len) {
277 if (for_each_element_completed(elem, data, len))
280 NL_SET_ERR_MSG_ATTR(extack, attr, "malformed information elements");
284 /* policy for the attributes */
285 static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR];
287 static const struct nla_policy
288 nl80211_ftm_responder_policy[NL80211_FTM_RESP_ATTR_MAX + 1] = {
289 [NL80211_FTM_RESP_ATTR_ENABLED] = { .type = NLA_FLAG, },
290 [NL80211_FTM_RESP_ATTR_LCI] = { .type = NLA_BINARY,
292 [NL80211_FTM_RESP_ATTR_CIVICLOC] = { .type = NLA_BINARY,
296 static const struct nla_policy
297 nl80211_pmsr_ftm_req_attr_policy[NL80211_PMSR_FTM_REQ_ATTR_MAX + 1] = {
298 [NL80211_PMSR_FTM_REQ_ATTR_ASAP] = { .type = NLA_FLAG },
299 [NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE] = { .type = NLA_U32 },
300 [NL80211_PMSR_FTM_REQ_ATTR_NUM_BURSTS_EXP] =
301 NLA_POLICY_MAX(NLA_U8, 15),
302 [NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD] = { .type = NLA_U16 },
303 [NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION] =
304 NLA_POLICY_MAX(NLA_U8, 15),
305 [NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST] =
306 NLA_POLICY_MAX(NLA_U8, 31),
307 [NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES] = { .type = NLA_U8 },
308 [NL80211_PMSR_FTM_REQ_ATTR_REQUEST_LCI] = { .type = NLA_FLAG },
309 [NL80211_PMSR_FTM_REQ_ATTR_REQUEST_CIVICLOC] = { .type = NLA_FLAG },
310 [NL80211_PMSR_FTM_REQ_ATTR_TRIGGER_BASED] = { .type = NLA_FLAG },
311 [NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED] = { .type = NLA_FLAG },
314 static const struct nla_policy
315 nl80211_pmsr_req_data_policy[NL80211_PMSR_TYPE_MAX + 1] = {
316 [NL80211_PMSR_TYPE_FTM] =
317 NLA_POLICY_NESTED(nl80211_pmsr_ftm_req_attr_policy),
320 static const struct nla_policy
321 nl80211_pmsr_req_attr_policy[NL80211_PMSR_REQ_ATTR_MAX + 1] = {
322 [NL80211_PMSR_REQ_ATTR_DATA] =
323 NLA_POLICY_NESTED(nl80211_pmsr_req_data_policy),
324 [NL80211_PMSR_REQ_ATTR_GET_AP_TSF] = { .type = NLA_FLAG },
327 static const struct nla_policy
328 nl80211_psmr_peer_attr_policy[NL80211_PMSR_PEER_ATTR_MAX + 1] = {
329 [NL80211_PMSR_PEER_ATTR_ADDR] = NLA_POLICY_ETH_ADDR,
330 [NL80211_PMSR_PEER_ATTR_CHAN] = NLA_POLICY_NESTED(nl80211_policy),
331 [NL80211_PMSR_PEER_ATTR_REQ] =
332 NLA_POLICY_NESTED(nl80211_pmsr_req_attr_policy),
333 [NL80211_PMSR_PEER_ATTR_RESP] = { .type = NLA_REJECT },
336 static const struct nla_policy
337 nl80211_pmsr_attr_policy[NL80211_PMSR_ATTR_MAX + 1] = {
338 [NL80211_PMSR_ATTR_MAX_PEERS] = { .type = NLA_REJECT },
339 [NL80211_PMSR_ATTR_REPORT_AP_TSF] = { .type = NLA_REJECT },
340 [NL80211_PMSR_ATTR_RANDOMIZE_MAC_ADDR] = { .type = NLA_REJECT },
341 [NL80211_PMSR_ATTR_TYPE_CAPA] = { .type = NLA_REJECT },
342 [NL80211_PMSR_ATTR_PEERS] =
343 NLA_POLICY_NESTED_ARRAY(nl80211_psmr_peer_attr_policy),
346 static const struct nla_policy
347 he_obss_pd_policy[NL80211_HE_OBSS_PD_ATTR_MAX + 1] = {
348 [NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET] =
349 NLA_POLICY_RANGE(NLA_U8, 1, 20),
350 [NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET] =
351 NLA_POLICY_RANGE(NLA_U8, 1, 20),
352 [NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET] =
353 NLA_POLICY_RANGE(NLA_U8, 1, 20),
354 [NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP] =
355 NLA_POLICY_EXACT_LEN(8),
356 [NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP] =
357 NLA_POLICY_EXACT_LEN(8),
358 [NL80211_HE_OBSS_PD_ATTR_SR_CTRL] = { .type = NLA_U8 },
361 static const struct nla_policy
362 he_bss_color_policy[NL80211_HE_BSS_COLOR_ATTR_MAX + 1] = {
363 [NL80211_HE_BSS_COLOR_ATTR_COLOR] = NLA_POLICY_RANGE(NLA_U8, 1, 63),
364 [NL80211_HE_BSS_COLOR_ATTR_DISABLED] = { .type = NLA_FLAG },
365 [NL80211_HE_BSS_COLOR_ATTR_PARTIAL] = { .type = NLA_FLAG },
368 static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = {
369 [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY,
370 .len = NL80211_MAX_SUPP_RATES },
371 [NL80211_TXRATE_HT] = { .type = NLA_BINARY,
372 .len = NL80211_MAX_SUPP_HT_RATES },
373 [NL80211_TXRATE_VHT] = NLA_POLICY_EXACT_LEN_WARN(sizeof(struct nl80211_txrate_vht)),
374 [NL80211_TXRATE_GI] = { .type = NLA_U8 },
375 [NL80211_TXRATE_HE] = NLA_POLICY_EXACT_LEN(sizeof(struct nl80211_txrate_he)),
376 [NL80211_TXRATE_HE_GI] = NLA_POLICY_RANGE(NLA_U8,
377 NL80211_RATE_INFO_HE_GI_0_8,
378 NL80211_RATE_INFO_HE_GI_3_2),
379 [NL80211_TXRATE_HE_LTF] = NLA_POLICY_RANGE(NLA_U8,
380 NL80211_RATE_INFO_HE_1XLTF,
381 NL80211_RATE_INFO_HE_4XLTF),
384 static const struct nla_policy
385 nl80211_tid_config_attr_policy[NL80211_TID_CONFIG_ATTR_MAX + 1] = {
386 [NL80211_TID_CONFIG_ATTR_VIF_SUPP] = { .type = NLA_U64 },
387 [NL80211_TID_CONFIG_ATTR_PEER_SUPP] = { .type = NLA_U64 },
388 [NL80211_TID_CONFIG_ATTR_OVERRIDE] = { .type = NLA_FLAG },
389 [NL80211_TID_CONFIG_ATTR_TIDS] = NLA_POLICY_RANGE(NLA_U16, 1, 0xff),
390 [NL80211_TID_CONFIG_ATTR_NOACK] =
391 NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE),
392 [NL80211_TID_CONFIG_ATTR_RETRY_SHORT] = NLA_POLICY_MIN(NLA_U8, 1),
393 [NL80211_TID_CONFIG_ATTR_RETRY_LONG] = NLA_POLICY_MIN(NLA_U8, 1),
394 [NL80211_TID_CONFIG_ATTR_AMPDU_CTRL] =
395 NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE),
396 [NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL] =
397 NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE),
398 [NL80211_TID_CONFIG_ATTR_AMSDU_CTRL] =
399 NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE),
400 [NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE] =
401 NLA_POLICY_MAX(NLA_U8, NL80211_TX_RATE_FIXED),
402 [NL80211_TID_CONFIG_ATTR_TX_RATE] =
403 NLA_POLICY_NESTED(nl80211_txattr_policy),
406 static const struct nla_policy
407 nl80211_fils_discovery_policy[NL80211_FILS_DISCOVERY_ATTR_MAX + 1] = {
408 [NL80211_FILS_DISCOVERY_ATTR_INT_MIN] = NLA_POLICY_MAX(NLA_U32, 10000),
409 [NL80211_FILS_DISCOVERY_ATTR_INT_MAX] = NLA_POLICY_MAX(NLA_U32, 10000),
410 NLA_POLICY_RANGE(NLA_BINARY,
411 NL80211_FILS_DISCOVERY_TMPL_MIN_LEN,
412 IEEE80211_MAX_DATA_LEN),
415 static const struct nla_policy
416 nl80211_unsol_bcast_probe_resp_policy[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_MAX + 1] = {
417 [NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT] = NLA_POLICY_MAX(NLA_U32, 20),
418 [NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL] = { .type = NLA_BINARY,
419 .len = IEEE80211_MAX_DATA_LEN }
422 static const struct nla_policy
423 sar_specs_policy[NL80211_SAR_ATTR_SPECS_MAX + 1] = {
424 [NL80211_SAR_ATTR_SPECS_POWER] = { .type = NLA_S32 },
425 [NL80211_SAR_ATTR_SPECS_RANGE_INDEX] = {.type = NLA_U32 },
428 static const struct nla_policy
429 sar_policy[NL80211_SAR_ATTR_MAX + 1] = {
430 [NL80211_SAR_ATTR_TYPE] = NLA_POLICY_MAX(NLA_U32, NUM_NL80211_SAR_TYPE),
431 [NL80211_SAR_ATTR_SPECS] = NLA_POLICY_NESTED_ARRAY(sar_specs_policy),
434 static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
435 [0] = { .strict_start_type = NL80211_ATTR_HE_OBSS_PD },
436 [NL80211_ATTR_WIPHY] = { .type = NLA_U32 },
437 [NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING,
439 [NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED },
441 [NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 },
442 [NL80211_ATTR_WIPHY_CHANNEL_TYPE] = { .type = NLA_U32 },
443 [NL80211_ATTR_WIPHY_EDMG_CHANNELS] = NLA_POLICY_RANGE(NLA_U8,
444 NL80211_EDMG_CHANNELS_MIN,
445 NL80211_EDMG_CHANNELS_MAX),
446 [NL80211_ATTR_WIPHY_EDMG_BW_CONFIG] = NLA_POLICY_RANGE(NLA_U8,
447 NL80211_EDMG_BW_CONFIG_MIN,
448 NL80211_EDMG_BW_CONFIG_MAX),
450 [NL80211_ATTR_CHANNEL_WIDTH] = { .type = NLA_U32 },
451 [NL80211_ATTR_CENTER_FREQ1] = { .type = NLA_U32 },
452 [NL80211_ATTR_CENTER_FREQ1_OFFSET] = NLA_POLICY_RANGE(NLA_U32, 0, 999),
453 [NL80211_ATTR_CENTER_FREQ2] = { .type = NLA_U32 },
455 [NL80211_ATTR_WIPHY_RETRY_SHORT] = NLA_POLICY_MIN(NLA_U8, 1),
456 [NL80211_ATTR_WIPHY_RETRY_LONG] = NLA_POLICY_MIN(NLA_U8, 1),
457 [NL80211_ATTR_WIPHY_FRAG_THRESHOLD] = { .type = NLA_U32 },
458 [NL80211_ATTR_WIPHY_RTS_THRESHOLD] = { .type = NLA_U32 },
459 [NL80211_ATTR_WIPHY_COVERAGE_CLASS] = { .type = NLA_U8 },
460 [NL80211_ATTR_WIPHY_DYN_ACK] = { .type = NLA_FLAG },
462 [NL80211_ATTR_IFTYPE] = NLA_POLICY_MAX(NLA_U32, NL80211_IFTYPE_MAX),
463 [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 },
464 [NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 },
466 [NL80211_ATTR_MAC] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
467 [NL80211_ATTR_PREV_BSSID] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
469 [NL80211_ATTR_KEY] = { .type = NLA_NESTED, },
470 [NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY,
471 .len = WLAN_MAX_KEY_LEN },
472 [NL80211_ATTR_KEY_IDX] = NLA_POLICY_MAX(NLA_U8, 7),
473 [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 },
474 [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG },
475 [NL80211_ATTR_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
476 [NL80211_ATTR_KEY_TYPE] =
477 NLA_POLICY_MAX(NLA_U32, NUM_NL80211_KEYTYPES),
479 [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 },
480 [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 },
481 [NL80211_ATTR_BEACON_HEAD] =
482 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_beacon_head,
483 IEEE80211_MAX_DATA_LEN),
484 [NL80211_ATTR_BEACON_TAIL] =
485 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
486 IEEE80211_MAX_DATA_LEN),
487 [NL80211_ATTR_STA_AID] =
488 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
489 [NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED },
490 [NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 },
491 [NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY,
492 .len = NL80211_MAX_SUPP_RATES },
493 [NL80211_ATTR_STA_PLINK_ACTION] =
494 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_PLINK_ACTIONS - 1),
495 [NL80211_ATTR_STA_TX_POWER_SETTING] =
496 NLA_POLICY_RANGE(NLA_U8,
497 NL80211_TX_POWER_AUTOMATIC,
498 NL80211_TX_POWER_FIXED),
499 [NL80211_ATTR_STA_TX_POWER] = { .type = NLA_S16 },
500 [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 },
501 [NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ },
502 [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY,
503 .len = IEEE80211_MAX_MESH_ID_LEN },
504 [NL80211_ATTR_MPATH_NEXT_HOP] = NLA_POLICY_ETH_ADDR_COMPAT,
506 [NL80211_ATTR_REG_ALPHA2] = { .type = NLA_STRING, .len = 2 },
507 [NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED },
509 [NL80211_ATTR_BSS_CTS_PROT] = { .type = NLA_U8 },
510 [NL80211_ATTR_BSS_SHORT_PREAMBLE] = { .type = NLA_U8 },
511 [NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 },
512 [NL80211_ATTR_BSS_BASIC_RATES] = { .type = NLA_BINARY,
513 .len = NL80211_MAX_SUPP_RATES },
514 [NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 },
516 [NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED },
517 [NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG },
519 [NL80211_ATTR_HT_CAPABILITY] = NLA_POLICY_EXACT_LEN_WARN(NL80211_HT_CAPABILITY_LEN),
521 [NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 },
522 [NL80211_ATTR_IE] = NLA_POLICY_VALIDATE_FN(NLA_BINARY,
524 IEEE80211_MAX_DATA_LEN),
525 [NL80211_ATTR_SCAN_FREQUENCIES] = { .type = NLA_NESTED },
526 [NL80211_ATTR_SCAN_SSIDS] = { .type = NLA_NESTED },
528 [NL80211_ATTR_SSID] = { .type = NLA_BINARY,
529 .len = IEEE80211_MAX_SSID_LEN },
530 [NL80211_ATTR_AUTH_TYPE] = { .type = NLA_U32 },
531 [NL80211_ATTR_REASON_CODE] = { .type = NLA_U16 },
532 [NL80211_ATTR_FREQ_FIXED] = { .type = NLA_FLAG },
533 [NL80211_ATTR_TIMED_OUT] = { .type = NLA_FLAG },
534 [NL80211_ATTR_USE_MFP] = NLA_POLICY_RANGE(NLA_U32,
536 NL80211_MFP_OPTIONAL),
537 [NL80211_ATTR_STA_FLAGS2] = {
538 .len = sizeof(struct nl80211_sta_flag_update),
540 [NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG },
541 [NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 },
542 [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG },
543 [NL80211_ATTR_CONTROL_PORT_OVER_NL80211] = { .type = NLA_FLAG },
544 [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG },
545 [NL80211_ATTR_STATUS_CODE] = { .type = NLA_U16 },
546 [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 },
547 [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 },
548 [NL80211_ATTR_PID] = { .type = NLA_U32 },
549 [NL80211_ATTR_4ADDR] = { .type = NLA_U8 },
550 [NL80211_ATTR_PMKID] = NLA_POLICY_EXACT_LEN_WARN(WLAN_PMKID_LEN),
551 [NL80211_ATTR_DURATION] = { .type = NLA_U32 },
552 [NL80211_ATTR_COOKIE] = { .type = NLA_U64 },
553 [NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED },
554 [NL80211_ATTR_FRAME] = { .type = NLA_BINARY,
555 .len = IEEE80211_MAX_DATA_LEN },
556 [NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, },
557 [NL80211_ATTR_PS_STATE] = NLA_POLICY_RANGE(NLA_U32,
560 [NL80211_ATTR_CQM] = { .type = NLA_NESTED, },
561 [NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG },
562 [NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 },
563 [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 },
564 [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 },
565 [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 },
566 [NL80211_ATTR_WIPHY_ANTENNA_TX] = { .type = NLA_U32 },
567 [NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 },
568 [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 },
569 [NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG },
570 [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
571 [NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED },
572 [NL80211_ATTR_STA_PLINK_STATE] =
573 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_PLINK_STATES - 1),
574 [NL80211_ATTR_MEASUREMENT_DURATION] = { .type = NLA_U16 },
575 [NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY] = { .type = NLA_FLAG },
576 [NL80211_ATTR_MESH_PEER_AID] =
577 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
578 [NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 },
579 [NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED },
580 [NL80211_ATTR_SCAN_SUPP_RATES] = { .type = NLA_NESTED },
581 [NL80211_ATTR_HIDDEN_SSID] =
582 NLA_POLICY_RANGE(NLA_U32,
583 NL80211_HIDDEN_SSID_NOT_IN_USE,
584 NL80211_HIDDEN_SSID_ZERO_CONTENTS),
585 [NL80211_ATTR_IE_PROBE_RESP] =
586 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
587 IEEE80211_MAX_DATA_LEN),
588 [NL80211_ATTR_IE_ASSOC_RESP] =
589 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
590 IEEE80211_MAX_DATA_LEN),
591 [NL80211_ATTR_ROAM_SUPPORT] = { .type = NLA_FLAG },
592 [NL80211_ATTR_SCHED_SCAN_MATCH] = { .type = NLA_NESTED },
593 [NL80211_ATTR_TX_NO_CCK_RATE] = { .type = NLA_FLAG },
594 [NL80211_ATTR_TDLS_ACTION] = { .type = NLA_U8 },
595 [NL80211_ATTR_TDLS_DIALOG_TOKEN] = { .type = NLA_U8 },
596 [NL80211_ATTR_TDLS_OPERATION] = { .type = NLA_U8 },
597 [NL80211_ATTR_TDLS_SUPPORT] = { .type = NLA_FLAG },
598 [NL80211_ATTR_TDLS_EXTERNAL_SETUP] = { .type = NLA_FLAG },
599 [NL80211_ATTR_TDLS_INITIATOR] = { .type = NLA_FLAG },
600 [NL80211_ATTR_DONT_WAIT_FOR_ACK] = { .type = NLA_FLAG },
601 [NL80211_ATTR_PROBE_RESP] = { .type = NLA_BINARY,
602 .len = IEEE80211_MAX_DATA_LEN },
603 [NL80211_ATTR_DFS_REGION] = { .type = NLA_U8 },
604 [NL80211_ATTR_DISABLE_HT] = { .type = NLA_FLAG },
605 [NL80211_ATTR_HT_CAPABILITY_MASK] = {
606 .len = NL80211_HT_CAPABILITY_LEN
608 [NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 },
609 [NL80211_ATTR_INACTIVITY_TIMEOUT] = { .type = NLA_U16 },
610 [NL80211_ATTR_BG_SCAN_PERIOD] = { .type = NLA_U16 },
611 [NL80211_ATTR_WDEV] = { .type = NLA_U64 },
612 [NL80211_ATTR_USER_REG_HINT_TYPE] = { .type = NLA_U32 },
614 /* need to include at least Auth Transaction and Status Code */
615 [NL80211_ATTR_AUTH_DATA] = NLA_POLICY_MIN_LEN(4),
617 [NL80211_ATTR_VHT_CAPABILITY] = NLA_POLICY_EXACT_LEN_WARN(NL80211_VHT_CAPABILITY_LEN),
618 [NL80211_ATTR_SCAN_FLAGS] = { .type = NLA_U32 },
619 [NL80211_ATTR_P2P_CTWINDOW] = NLA_POLICY_MAX(NLA_U8, 127),
620 [NL80211_ATTR_P2P_OPPPS] = NLA_POLICY_MAX(NLA_U8, 1),
621 [NL80211_ATTR_LOCAL_MESH_POWER_MODE] =
622 NLA_POLICY_RANGE(NLA_U32,
623 NL80211_MESH_POWER_UNKNOWN + 1,
624 NL80211_MESH_POWER_MAX),
625 [NL80211_ATTR_ACL_POLICY] = {. type = NLA_U32 },
626 [NL80211_ATTR_MAC_ADDRS] = { .type = NLA_NESTED },
627 [NL80211_ATTR_STA_CAPABILITY] = { .type = NLA_U16 },
628 [NL80211_ATTR_STA_EXT_CAPABILITY] = { .type = NLA_BINARY, },
629 [NL80211_ATTR_SPLIT_WIPHY_DUMP] = { .type = NLA_FLAG, },
630 [NL80211_ATTR_DISABLE_VHT] = { .type = NLA_FLAG },
631 [NL80211_ATTR_VHT_CAPABILITY_MASK] = {
632 .len = NL80211_VHT_CAPABILITY_LEN,
634 [NL80211_ATTR_MDID] = { .type = NLA_U16 },
635 [NL80211_ATTR_IE_RIC] = { .type = NLA_BINARY,
636 .len = IEEE80211_MAX_DATA_LEN },
637 [NL80211_ATTR_CRIT_PROT_ID] = { .type = NLA_U16 },
638 [NL80211_ATTR_MAX_CRIT_PROT_DURATION] =
639 NLA_POLICY_MAX(NLA_U16, NL80211_CRIT_PROTO_MAX_DURATION),
640 [NL80211_ATTR_PEER_AID] =
641 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
642 [NL80211_ATTR_CH_SWITCH_COUNT] = { .type = NLA_U32 },
643 [NL80211_ATTR_CH_SWITCH_BLOCK_TX] = { .type = NLA_FLAG },
644 [NL80211_ATTR_CSA_IES] = { .type = NLA_NESTED },
645 [NL80211_ATTR_CNTDWN_OFFS_BEACON] = { .type = NLA_BINARY },
646 [NL80211_ATTR_CNTDWN_OFFS_PRESP] = { .type = NLA_BINARY },
647 [NL80211_ATTR_STA_SUPPORTED_CHANNELS] = NLA_POLICY_MIN_LEN(2),
649 * The value of the Length field of the Supported Operating
650 * Classes element is between 2 and 253.
652 [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES] =
653 NLA_POLICY_RANGE(NLA_BINARY, 2, 253),
654 [NL80211_ATTR_HANDLE_DFS] = { .type = NLA_FLAG },
655 [NL80211_ATTR_OPMODE_NOTIF] = { .type = NLA_U8 },
656 [NL80211_ATTR_VENDOR_ID] = { .type = NLA_U32 },
657 [NL80211_ATTR_VENDOR_SUBCMD] = { .type = NLA_U32 },
658 [NL80211_ATTR_VENDOR_DATA] = { .type = NLA_BINARY },
659 [NL80211_ATTR_QOS_MAP] = NLA_POLICY_RANGE(NLA_BINARY,
660 IEEE80211_QOS_MAP_LEN_MIN,
661 IEEE80211_QOS_MAP_LEN_MAX),
662 [NL80211_ATTR_MAC_HINT] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
663 [NL80211_ATTR_WIPHY_FREQ_HINT] = { .type = NLA_U32 },
664 [NL80211_ATTR_TDLS_PEER_CAPABILITY] = { .type = NLA_U32 },
665 [NL80211_ATTR_SOCKET_OWNER] = { .type = NLA_FLAG },
666 [NL80211_ATTR_CSA_C_OFFSETS_TX] = { .type = NLA_BINARY },
667 [NL80211_ATTR_USE_RRM] = { .type = NLA_FLAG },
668 [NL80211_ATTR_TSID] = NLA_POLICY_MAX(NLA_U8, IEEE80211_NUM_TIDS - 1),
669 [NL80211_ATTR_USER_PRIO] =
670 NLA_POLICY_MAX(NLA_U8, IEEE80211_NUM_UPS - 1),
671 [NL80211_ATTR_ADMITTED_TIME] = { .type = NLA_U16 },
672 [NL80211_ATTR_SMPS_MODE] = { .type = NLA_U8 },
673 [NL80211_ATTR_OPER_CLASS] = { .type = NLA_U8 },
674 [NL80211_ATTR_MAC_MASK] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
675 [NL80211_ATTR_WIPHY_SELF_MANAGED_REG] = { .type = NLA_FLAG },
676 [NL80211_ATTR_NETNS_FD] = { .type = NLA_U32 },
677 [NL80211_ATTR_SCHED_SCAN_DELAY] = { .type = NLA_U32 },
678 [NL80211_ATTR_REG_INDOOR] = { .type = NLA_FLAG },
679 [NL80211_ATTR_PBSS] = { .type = NLA_FLAG },
680 [NL80211_ATTR_BSS_SELECT] = { .type = NLA_NESTED },
681 [NL80211_ATTR_STA_SUPPORT_P2P_PS] =
682 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_P2P_PS_STATUS - 1),
683 [NL80211_ATTR_MU_MIMO_GROUP_DATA] = {
684 .len = VHT_MUMIMO_GROUPS_DATA_LEN
686 [NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
687 [NL80211_ATTR_NAN_MASTER_PREF] = NLA_POLICY_MIN(NLA_U8, 1),
688 [NL80211_ATTR_BANDS] = { .type = NLA_U32 },
689 [NL80211_ATTR_NAN_FUNC] = { .type = NLA_NESTED },
690 [NL80211_ATTR_FILS_KEK] = { .type = NLA_BINARY,
691 .len = FILS_MAX_KEK_LEN },
692 [NL80211_ATTR_FILS_NONCES] = NLA_POLICY_EXACT_LEN_WARN(2 * FILS_NONCE_LEN),
693 [NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED] = { .type = NLA_FLAG, },
694 [NL80211_ATTR_BSSID] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
695 [NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] = { .type = NLA_S8 },
696 [NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST] = {
697 .len = sizeof(struct nl80211_bss_select_rssi_adjust)
699 [NL80211_ATTR_TIMEOUT_REASON] = { .type = NLA_U32 },
700 [NL80211_ATTR_FILS_ERP_USERNAME] = { .type = NLA_BINARY,
701 .len = FILS_ERP_MAX_USERNAME_LEN },
702 [NL80211_ATTR_FILS_ERP_REALM] = { .type = NLA_BINARY,
703 .len = FILS_ERP_MAX_REALM_LEN },
704 [NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] = { .type = NLA_U16 },
705 [NL80211_ATTR_FILS_ERP_RRK] = { .type = NLA_BINARY,
706 .len = FILS_ERP_MAX_RRK_LEN },
707 [NL80211_ATTR_FILS_CACHE_ID] = NLA_POLICY_EXACT_LEN_WARN(2),
708 [NL80211_ATTR_PMK] = { .type = NLA_BINARY, .len = PMK_MAX_LEN },
709 [NL80211_ATTR_PMKR0_NAME] = NLA_POLICY_EXACT_LEN(WLAN_PMK_NAME_LEN),
710 [NL80211_ATTR_SCHED_SCAN_MULTI] = { .type = NLA_FLAG },
711 [NL80211_ATTR_EXTERNAL_AUTH_SUPPORT] = { .type = NLA_FLAG },
713 [NL80211_ATTR_TXQ_LIMIT] = { .type = NLA_U32 },
714 [NL80211_ATTR_TXQ_MEMORY_LIMIT] = { .type = NLA_U32 },
715 [NL80211_ATTR_TXQ_QUANTUM] = { .type = NLA_U32 },
716 [NL80211_ATTR_HE_CAPABILITY] =
717 NLA_POLICY_RANGE(NLA_BINARY,
718 NL80211_HE_MIN_CAPABILITY_LEN,
719 NL80211_HE_MAX_CAPABILITY_LEN),
720 [NL80211_ATTR_FTM_RESPONDER] =
721 NLA_POLICY_NESTED(nl80211_ftm_responder_policy),
722 [NL80211_ATTR_TIMEOUT] = NLA_POLICY_MIN(NLA_U32, 1),
723 [NL80211_ATTR_PEER_MEASUREMENTS] =
724 NLA_POLICY_NESTED(nl80211_pmsr_attr_policy),
725 [NL80211_ATTR_AIRTIME_WEIGHT] = NLA_POLICY_MIN(NLA_U16, 1),
726 [NL80211_ATTR_SAE_PASSWORD] = { .type = NLA_BINARY,
727 .len = SAE_PASSWORD_MAX_LEN },
728 [NL80211_ATTR_TWT_RESPONDER] = { .type = NLA_FLAG },
729 [NL80211_ATTR_HE_OBSS_PD] = NLA_POLICY_NESTED(he_obss_pd_policy),
730 [NL80211_ATTR_VLAN_ID] = NLA_POLICY_RANGE(NLA_U16, 1, VLAN_N_VID - 2),
731 [NL80211_ATTR_HE_BSS_COLOR] = NLA_POLICY_NESTED(he_bss_color_policy),
732 [NL80211_ATTR_TID_CONFIG] =
733 NLA_POLICY_NESTED_ARRAY(nl80211_tid_config_attr_policy),
734 [NL80211_ATTR_CONTROL_PORT_NO_PREAUTH] = { .type = NLA_FLAG },
735 [NL80211_ATTR_PMK_LIFETIME] = NLA_POLICY_MIN(NLA_U32, 1),
736 [NL80211_ATTR_PMK_REAUTH_THRESHOLD] = NLA_POLICY_RANGE(NLA_U8, 1, 100),
737 [NL80211_ATTR_RECEIVE_MULTICAST] = { .type = NLA_FLAG },
738 [NL80211_ATTR_WIPHY_FREQ_OFFSET] = NLA_POLICY_RANGE(NLA_U32, 0, 999),
739 [NL80211_ATTR_SCAN_FREQ_KHZ] = { .type = NLA_NESTED },
740 [NL80211_ATTR_HE_6GHZ_CAPABILITY] =
741 NLA_POLICY_EXACT_LEN(sizeof(struct ieee80211_he_6ghz_capa)),
742 [NL80211_ATTR_FILS_DISCOVERY] =
743 NLA_POLICY_NESTED(nl80211_fils_discovery_policy),
744 [NL80211_ATTR_UNSOL_BCAST_PROBE_RESP] =
745 NLA_POLICY_NESTED(nl80211_unsol_bcast_probe_resp_policy),
746 [NL80211_ATTR_S1G_CAPABILITY] =
747 NLA_POLICY_EXACT_LEN(IEEE80211_S1G_CAPABILITY_LEN),
748 [NL80211_ATTR_S1G_CAPABILITY_MASK] =
749 NLA_POLICY_EXACT_LEN(IEEE80211_S1G_CAPABILITY_LEN),
750 [NL80211_ATTR_SAE_PWE] =
751 NLA_POLICY_RANGE(NLA_U8, NL80211_SAE_PWE_HUNT_AND_PECK,
752 NL80211_SAE_PWE_BOTH),
753 [NL80211_ATTR_RECONNECT_REQUESTED] = { .type = NLA_REJECT },
754 [NL80211_ATTR_SAR_SPEC] = NLA_POLICY_NESTED(sar_policy),
755 [NL80211_ATTR_DISABLE_HE] = { .type = NLA_FLAG },
758 /* policy for the key attributes */
759 static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = {
760 [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN },
761 [NL80211_KEY_IDX] = { .type = NLA_U8 },
762 [NL80211_KEY_CIPHER] = { .type = NLA_U32 },
763 [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
764 [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG },
765 [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG },
766 [NL80211_KEY_TYPE] = NLA_POLICY_MAX(NLA_U32, NUM_NL80211_KEYTYPES - 1),
767 [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
768 [NL80211_KEY_MODE] = NLA_POLICY_RANGE(NLA_U8, 0, NL80211_KEY_SET_TX),
771 /* policy for the key default flags */
772 static const struct nla_policy
773 nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = {
774 [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG },
775 [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG },
779 /* policy for WoWLAN attributes */
780 static const struct nla_policy
781 nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = {
782 [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG },
783 [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG },
784 [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG },
785 [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED },
786 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG },
787 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG },
788 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG },
789 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG },
790 [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED },
791 [NL80211_WOWLAN_TRIG_NET_DETECT] = { .type = NLA_NESTED },
794 static const struct nla_policy
795 nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = {
796 [NL80211_WOWLAN_TCP_SRC_IPV4] = { .type = NLA_U32 },
797 [NL80211_WOWLAN_TCP_DST_IPV4] = { .type = NLA_U32 },
798 [NL80211_WOWLAN_TCP_DST_MAC] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
799 [NL80211_WOWLAN_TCP_SRC_PORT] = { .type = NLA_U16 },
800 [NL80211_WOWLAN_TCP_DST_PORT] = { .type = NLA_U16 },
801 [NL80211_WOWLAN_TCP_DATA_PAYLOAD] = NLA_POLICY_MIN_LEN(1),
802 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ] = {
803 .len = sizeof(struct nl80211_wowlan_tcp_data_seq)
805 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN] = {
806 .len = sizeof(struct nl80211_wowlan_tcp_data_token)
808 [NL80211_WOWLAN_TCP_DATA_INTERVAL] = { .type = NLA_U32 },
809 [NL80211_WOWLAN_TCP_WAKE_PAYLOAD] = NLA_POLICY_MIN_LEN(1),
810 [NL80211_WOWLAN_TCP_WAKE_MASK] = NLA_POLICY_MIN_LEN(1),
812 #endif /* CONFIG_PM */
814 /* policy for coalesce rule attributes */
815 static const struct nla_policy
816 nl80211_coalesce_policy[NUM_NL80211_ATTR_COALESCE_RULE] = {
817 [NL80211_ATTR_COALESCE_RULE_DELAY] = { .type = NLA_U32 },
818 [NL80211_ATTR_COALESCE_RULE_CONDITION] =
819 NLA_POLICY_RANGE(NLA_U32,
820 NL80211_COALESCE_CONDITION_MATCH,
821 NL80211_COALESCE_CONDITION_NO_MATCH),
822 [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN] = { .type = NLA_NESTED },
825 /* policy for GTK rekey offload attributes */
826 static const struct nla_policy
827 nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = {
828 [NL80211_REKEY_DATA_KEK] = {
830 .len = NL80211_KEK_EXT_LEN
832 [NL80211_REKEY_DATA_KCK] = {
834 .len = NL80211_KCK_EXT_LEN
836 [NL80211_REKEY_DATA_REPLAY_CTR] = NLA_POLICY_EXACT_LEN(NL80211_REPLAY_CTR_LEN),
837 [NL80211_REKEY_DATA_AKM] = { .type = NLA_U32 },
840 static const struct nla_policy
841 nl80211_match_band_rssi_policy[NUM_NL80211_BANDS] = {
842 [NL80211_BAND_2GHZ] = { .type = NLA_S32 },
843 [NL80211_BAND_5GHZ] = { .type = NLA_S32 },
844 [NL80211_BAND_6GHZ] = { .type = NLA_S32 },
845 [NL80211_BAND_60GHZ] = { .type = NLA_S32 },
848 static const struct nla_policy
849 nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = {
850 [NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY,
851 .len = IEEE80211_MAX_SSID_LEN },
852 [NL80211_SCHED_SCAN_MATCH_ATTR_BSSID] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
853 [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 },
854 [NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI] =
855 NLA_POLICY_NESTED(nl80211_match_band_rssi_policy),
858 static const struct nla_policy
859 nl80211_plan_policy[NL80211_SCHED_SCAN_PLAN_MAX + 1] = {
860 [NL80211_SCHED_SCAN_PLAN_INTERVAL] = { .type = NLA_U32 },
861 [NL80211_SCHED_SCAN_PLAN_ITERATIONS] = { .type = NLA_U32 },
864 static const struct nla_policy
865 nl80211_bss_select_policy[NL80211_BSS_SELECT_ATTR_MAX + 1] = {
866 [NL80211_BSS_SELECT_ATTR_RSSI] = { .type = NLA_FLAG },
867 [NL80211_BSS_SELECT_ATTR_BAND_PREF] = { .type = NLA_U32 },
868 [NL80211_BSS_SELECT_ATTR_RSSI_ADJUST] = {
869 .len = sizeof(struct nl80211_bss_select_rssi_adjust)
873 /* policy for NAN function attributes */
874 static const struct nla_policy
875 nl80211_nan_func_policy[NL80211_NAN_FUNC_ATTR_MAX + 1] = {
876 [NL80211_NAN_FUNC_TYPE] =
877 NLA_POLICY_MAX(NLA_U8, NL80211_NAN_FUNC_MAX_TYPE),
878 [NL80211_NAN_FUNC_SERVICE_ID] = {
879 .len = NL80211_NAN_FUNC_SERVICE_ID_LEN },
880 [NL80211_NAN_FUNC_PUBLISH_TYPE] = { .type = NLA_U8 },
881 [NL80211_NAN_FUNC_PUBLISH_BCAST] = { .type = NLA_FLAG },
882 [NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE] = { .type = NLA_FLAG },
883 [NL80211_NAN_FUNC_FOLLOW_UP_ID] = { .type = NLA_U8 },
884 [NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] = { .type = NLA_U8 },
885 [NL80211_NAN_FUNC_FOLLOW_UP_DEST] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
886 [NL80211_NAN_FUNC_CLOSE_RANGE] = { .type = NLA_FLAG },
887 [NL80211_NAN_FUNC_TTL] = { .type = NLA_U32 },
888 [NL80211_NAN_FUNC_SERVICE_INFO] = { .type = NLA_BINARY,
889 .len = NL80211_NAN_FUNC_SERVICE_SPEC_INFO_MAX_LEN },
890 [NL80211_NAN_FUNC_SRF] = { .type = NLA_NESTED },
891 [NL80211_NAN_FUNC_RX_MATCH_FILTER] = { .type = NLA_NESTED },
892 [NL80211_NAN_FUNC_TX_MATCH_FILTER] = { .type = NLA_NESTED },
893 [NL80211_NAN_FUNC_INSTANCE_ID] = { .type = NLA_U8 },
894 [NL80211_NAN_FUNC_TERM_REASON] = { .type = NLA_U8 },
897 /* policy for Service Response Filter attributes */
898 static const struct nla_policy
899 nl80211_nan_srf_policy[NL80211_NAN_SRF_ATTR_MAX + 1] = {
900 [NL80211_NAN_SRF_INCLUDE] = { .type = NLA_FLAG },
901 [NL80211_NAN_SRF_BF] = { .type = NLA_BINARY,
902 .len = NL80211_NAN_FUNC_SRF_MAX_LEN },
903 [NL80211_NAN_SRF_BF_IDX] = { .type = NLA_U8 },
904 [NL80211_NAN_SRF_MAC_ADDRS] = { .type = NLA_NESTED },
907 /* policy for packet pattern attributes */
908 static const struct nla_policy
909 nl80211_packet_pattern_policy[MAX_NL80211_PKTPAT + 1] = {
910 [NL80211_PKTPAT_MASK] = { .type = NLA_BINARY, },
911 [NL80211_PKTPAT_PATTERN] = { .type = NLA_BINARY, },
912 [NL80211_PKTPAT_OFFSET] = { .type = NLA_U32 },
915 int nl80211_prepare_wdev_dump(struct netlink_callback *cb,
916 struct cfg80211_registered_device **rdev,
917 struct wireless_dev **wdev)
922 struct nlattr **attrbuf;
924 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf),
929 err = nlmsg_parse_deprecated(cb->nlh,
930 GENL_HDRLEN + nl80211_fam.hdrsize,
931 attrbuf, nl80211_fam.maxattr,
932 nl80211_policy, NULL);
939 *wdev = __cfg80211_wdev_from_attrs(NULL, sock_net(cb->skb->sk),
944 return PTR_ERR(*wdev);
946 *rdev = wiphy_to_rdev((*wdev)->wiphy);
947 mutex_lock(&(*rdev)->wiphy.mtx);
949 /* 0 is the first index - add 1 to parse only once */
950 cb->args[0] = (*rdev)->wiphy_idx + 1;
951 cb->args[1] = (*wdev)->identifier;
953 /* subtract the 1 again here */
955 struct wireless_dev *tmp;
958 wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
963 *rdev = wiphy_to_rdev(wiphy);
966 list_for_each_entry(tmp, &(*rdev)->wiphy.wdev_list, list) {
967 if (tmp->identifier == cb->args[1]) {
977 mutex_lock(&(*rdev)->wiphy.mtx);
984 /* message building helper */
985 void *nl80211hdr_put(struct sk_buff *skb, u32 portid, u32 seq,
988 /* since there is no private header just add the generic one */
989 return genlmsg_put(skb, portid, seq, &nl80211_fam, flags, cmd);
992 static int nl80211_msg_put_wmm_rules(struct sk_buff *msg,
993 const struct ieee80211_reg_rule *rule)
996 struct nlattr *nl_wmm_rules =
997 nla_nest_start_noflag(msg, NL80211_FREQUENCY_ATTR_WMM);
1000 goto nla_put_failure;
1002 for (j = 0; j < IEEE80211_NUM_ACS; j++) {
1003 struct nlattr *nl_wmm_rule = nla_nest_start_noflag(msg, j);
1006 goto nla_put_failure;
1008 if (nla_put_u16(msg, NL80211_WMMR_CW_MIN,
1009 rule->wmm_rule.client[j].cw_min) ||
1010 nla_put_u16(msg, NL80211_WMMR_CW_MAX,
1011 rule->wmm_rule.client[j].cw_max) ||
1012 nla_put_u8(msg, NL80211_WMMR_AIFSN,
1013 rule->wmm_rule.client[j].aifsn) ||
1014 nla_put_u16(msg, NL80211_WMMR_TXOP,
1015 rule->wmm_rule.client[j].cot))
1016 goto nla_put_failure;
1018 nla_nest_end(msg, nl_wmm_rule);
1020 nla_nest_end(msg, nl_wmm_rules);
1028 static int nl80211_msg_put_channel(struct sk_buff *msg, struct wiphy *wiphy,
1029 struct ieee80211_channel *chan,
1032 /* Some channels must be completely excluded from the
1033 * list to protect old user-space tools from breaking
1035 if (!large && chan->flags &
1036 (IEEE80211_CHAN_NO_10MHZ | IEEE80211_CHAN_NO_20MHZ))
1038 if (!large && chan->freq_offset)
1041 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_FREQ,
1043 goto nla_put_failure;
1045 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_OFFSET, chan->freq_offset))
1046 goto nla_put_failure;
1048 if ((chan->flags & IEEE80211_CHAN_DISABLED) &&
1049 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DISABLED))
1050 goto nla_put_failure;
1051 if (chan->flags & IEEE80211_CHAN_NO_IR) {
1052 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IR))
1053 goto nla_put_failure;
1054 if (nla_put_flag(msg, __NL80211_FREQUENCY_ATTR_NO_IBSS))
1055 goto nla_put_failure;
1057 if (chan->flags & IEEE80211_CHAN_RADAR) {
1058 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR))
1059 goto nla_put_failure;
1063 time = elapsed_jiffies_msecs(chan->dfs_state_entered);
1065 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_STATE,
1067 goto nla_put_failure;
1068 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_TIME,
1070 goto nla_put_failure;
1071 if (nla_put_u32(msg,
1072 NL80211_FREQUENCY_ATTR_DFS_CAC_TIME,
1074 goto nla_put_failure;
1079 if ((chan->flags & IEEE80211_CHAN_NO_HT40MINUS) &&
1080 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS))
1081 goto nla_put_failure;
1082 if ((chan->flags & IEEE80211_CHAN_NO_HT40PLUS) &&
1083 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS))
1084 goto nla_put_failure;
1085 if ((chan->flags & IEEE80211_CHAN_NO_80MHZ) &&
1086 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_80MHZ))
1087 goto nla_put_failure;
1088 if ((chan->flags & IEEE80211_CHAN_NO_160MHZ) &&
1089 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_160MHZ))
1090 goto nla_put_failure;
1091 if ((chan->flags & IEEE80211_CHAN_INDOOR_ONLY) &&
1092 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_INDOOR_ONLY))
1093 goto nla_put_failure;
1094 if ((chan->flags & IEEE80211_CHAN_IR_CONCURRENT) &&
1095 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_IR_CONCURRENT))
1096 goto nla_put_failure;
1097 if ((chan->flags & IEEE80211_CHAN_NO_20MHZ) &&
1098 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_20MHZ))
1099 goto nla_put_failure;
1100 if ((chan->flags & IEEE80211_CHAN_NO_10MHZ) &&
1101 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_10MHZ))
1102 goto nla_put_failure;
1103 if ((chan->flags & IEEE80211_CHAN_NO_HE) &&
1104 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HE))
1105 goto nla_put_failure;
1106 if ((chan->flags & IEEE80211_CHAN_1MHZ) &&
1107 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_1MHZ))
1108 goto nla_put_failure;
1109 if ((chan->flags & IEEE80211_CHAN_2MHZ) &&
1110 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_2MHZ))
1111 goto nla_put_failure;
1112 if ((chan->flags & IEEE80211_CHAN_4MHZ) &&
1113 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_4MHZ))
1114 goto nla_put_failure;
1115 if ((chan->flags & IEEE80211_CHAN_8MHZ) &&
1116 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_8MHZ))
1117 goto nla_put_failure;
1118 if ((chan->flags & IEEE80211_CHAN_16MHZ) &&
1119 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_16MHZ))
1120 goto nla_put_failure;
1123 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER,
1124 DBM_TO_MBM(chan->max_power)))
1125 goto nla_put_failure;
1128 const struct ieee80211_reg_rule *rule =
1129 freq_reg_info(wiphy, MHZ_TO_KHZ(chan->center_freq));
1131 if (!IS_ERR_OR_NULL(rule) && rule->has_wmm) {
1132 if (nl80211_msg_put_wmm_rules(msg, rule))
1133 goto nla_put_failure;
1143 static bool nl80211_put_txq_stats(struct sk_buff *msg,
1144 struct cfg80211_txq_stats *txqstats,
1147 struct nlattr *txqattr;
1149 #define PUT_TXQVAL_U32(attr, memb) do { \
1150 if (txqstats->filled & BIT(NL80211_TXQ_STATS_ ## attr) && \
1151 nla_put_u32(msg, NL80211_TXQ_STATS_ ## attr, txqstats->memb)) \
1155 txqattr = nla_nest_start_noflag(msg, attrtype);
1159 PUT_TXQVAL_U32(BACKLOG_BYTES, backlog_bytes);
1160 PUT_TXQVAL_U32(BACKLOG_PACKETS, backlog_packets);
1161 PUT_TXQVAL_U32(FLOWS, flows);
1162 PUT_TXQVAL_U32(DROPS, drops);
1163 PUT_TXQVAL_U32(ECN_MARKS, ecn_marks);
1164 PUT_TXQVAL_U32(OVERLIMIT, overlimit);
1165 PUT_TXQVAL_U32(OVERMEMORY, overmemory);
1166 PUT_TXQVAL_U32(COLLISIONS, collisions);
1167 PUT_TXQVAL_U32(TX_BYTES, tx_bytes);
1168 PUT_TXQVAL_U32(TX_PACKETS, tx_packets);
1169 PUT_TXQVAL_U32(MAX_FLOWS, max_flows);
1170 nla_nest_end(msg, txqattr);
1172 #undef PUT_TXQVAL_U32
1176 /* netlink command implementations */
1179 struct key_params p;
1182 bool def, defmgmt, defbeacon;
1183 bool def_uni, def_multi;
1186 static int nl80211_parse_key_new(struct genl_info *info, struct nlattr *key,
1187 struct key_parse *k)
1189 struct nlattr *tb[NL80211_KEY_MAX + 1];
1190 int err = nla_parse_nested_deprecated(tb, NL80211_KEY_MAX, key,
1196 k->def = !!tb[NL80211_KEY_DEFAULT];
1197 k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT];
1198 k->defbeacon = !!tb[NL80211_KEY_DEFAULT_BEACON];
1202 k->def_multi = true;
1204 if (k->defmgmt || k->defbeacon)
1205 k->def_multi = true;
1207 if (tb[NL80211_KEY_IDX])
1208 k->idx = nla_get_u8(tb[NL80211_KEY_IDX]);
1210 if (tb[NL80211_KEY_DATA]) {
1211 k->p.key = nla_data(tb[NL80211_KEY_DATA]);
1212 k->p.key_len = nla_len(tb[NL80211_KEY_DATA]);
1215 if (tb[NL80211_KEY_SEQ]) {
1216 k->p.seq = nla_data(tb[NL80211_KEY_SEQ]);
1217 k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]);
1220 if (tb[NL80211_KEY_CIPHER])
1221 k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]);
1223 if (tb[NL80211_KEY_TYPE])
1224 k->type = nla_get_u32(tb[NL80211_KEY_TYPE]);
1226 if (tb[NL80211_KEY_DEFAULT_TYPES]) {
1227 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
1229 err = nla_parse_nested_deprecated(kdt,
1230 NUM_NL80211_KEY_DEFAULT_TYPES - 1,
1231 tb[NL80211_KEY_DEFAULT_TYPES],
1232 nl80211_key_default_policy,
1237 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
1238 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
1241 if (tb[NL80211_KEY_MODE])
1242 k->p.mode = nla_get_u8(tb[NL80211_KEY_MODE]);
1247 static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k)
1249 if (info->attrs[NL80211_ATTR_KEY_DATA]) {
1250 k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]);
1251 k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]);
1254 if (info->attrs[NL80211_ATTR_KEY_SEQ]) {
1255 k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]);
1256 k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]);
1259 if (info->attrs[NL80211_ATTR_KEY_IDX])
1260 k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
1262 if (info->attrs[NL80211_ATTR_KEY_CIPHER])
1263 k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]);
1265 k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT];
1266 k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT];
1270 k->def_multi = true;
1273 k->def_multi = true;
1275 if (info->attrs[NL80211_ATTR_KEY_TYPE])
1276 k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
1278 if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) {
1279 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
1280 int err = nla_parse_nested_deprecated(kdt,
1281 NUM_NL80211_KEY_DEFAULT_TYPES - 1,
1282 info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES],
1283 nl80211_key_default_policy,
1288 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
1289 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
1295 static int nl80211_parse_key(struct genl_info *info, struct key_parse *k)
1299 memset(k, 0, sizeof(*k));
1303 if (info->attrs[NL80211_ATTR_KEY])
1304 err = nl80211_parse_key_new(info, info->attrs[NL80211_ATTR_KEY], k);
1306 err = nl80211_parse_key_old(info, k);
1311 if ((k->def ? 1 : 0) + (k->defmgmt ? 1 : 0) +
1312 (k->defbeacon ? 1 : 0) > 1) {
1313 GENL_SET_ERR_MSG(info,
1314 "key with multiple default flags is invalid");
1318 if (k->defmgmt || k->defbeacon) {
1319 if (k->def_uni || !k->def_multi) {
1320 GENL_SET_ERR_MSG(info,
1321 "defmgmt/defbeacon key must be mcast");
1328 if (k->idx < 4 || k->idx > 5) {
1329 GENL_SET_ERR_MSG(info,
1330 "defmgmt key idx not 4 or 5");
1333 } else if (k->defbeacon) {
1334 if (k->idx < 6 || k->idx > 7) {
1335 GENL_SET_ERR_MSG(info,
1336 "defbeacon key idx not 6 or 7");
1339 } else if (k->def) {
1340 if (k->idx < 0 || k->idx > 3) {
1341 GENL_SET_ERR_MSG(info, "def key idx not 0-3");
1345 if (k->idx < 0 || k->idx > 7) {
1346 GENL_SET_ERR_MSG(info, "key idx not 0-7");
1355 static struct cfg80211_cached_keys *
1356 nl80211_parse_connkeys(struct cfg80211_registered_device *rdev,
1357 struct genl_info *info, bool *no_ht)
1359 struct nlattr *keys = info->attrs[NL80211_ATTR_KEYS];
1360 struct key_parse parse;
1362 struct cfg80211_cached_keys *result;
1363 int rem, err, def = 0;
1364 bool have_key = false;
1366 nla_for_each_nested(key, keys, rem) {
1374 result = kzalloc(sizeof(*result), GFP_KERNEL);
1376 return ERR_PTR(-ENOMEM);
1380 nla_for_each_nested(key, keys, rem) {
1381 memset(&parse, 0, sizeof(parse));
1384 err = nl80211_parse_key_new(info, key, &parse);
1390 if (parse.idx < 0 || parse.idx > 3) {
1391 GENL_SET_ERR_MSG(info, "key index out of range [0-3]");
1396 GENL_SET_ERR_MSG(info,
1397 "only one key can be default");
1401 result->def = parse.idx;
1402 if (!parse.def_uni || !parse.def_multi)
1404 } else if (parse.defmgmt)
1406 err = cfg80211_validate_key_settings(rdev, &parse.p,
1407 parse.idx, false, NULL);
1410 if (parse.p.cipher != WLAN_CIPHER_SUITE_WEP40 &&
1411 parse.p.cipher != WLAN_CIPHER_SUITE_WEP104) {
1412 GENL_SET_ERR_MSG(info, "connect key must be WEP");
1416 result->params[parse.idx].cipher = parse.p.cipher;
1417 result->params[parse.idx].key_len = parse.p.key_len;
1418 result->params[parse.idx].key = result->data[parse.idx];
1419 memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len);
1421 /* must be WEP key if we got here */
1426 if (result->def < 0) {
1428 GENL_SET_ERR_MSG(info, "need a default/TX key");
1435 return ERR_PTR(err);
1438 static int nl80211_key_allowed(struct wireless_dev *wdev)
1440 ASSERT_WDEV_LOCK(wdev);
1442 switch (wdev->iftype) {
1443 case NL80211_IFTYPE_AP:
1444 case NL80211_IFTYPE_AP_VLAN:
1445 case NL80211_IFTYPE_P2P_GO:
1446 case NL80211_IFTYPE_MESH_POINT:
1448 case NL80211_IFTYPE_ADHOC:
1449 case NL80211_IFTYPE_STATION:
1450 case NL80211_IFTYPE_P2P_CLIENT:
1451 if (!wdev->current_bss)
1454 case NL80211_IFTYPE_UNSPECIFIED:
1455 case NL80211_IFTYPE_OCB:
1456 case NL80211_IFTYPE_MONITOR:
1457 case NL80211_IFTYPE_NAN:
1458 case NL80211_IFTYPE_P2P_DEVICE:
1459 case NL80211_IFTYPE_WDS:
1460 case NUM_NL80211_IFTYPES:
1467 static struct ieee80211_channel *nl80211_get_valid_chan(struct wiphy *wiphy,
1470 struct ieee80211_channel *chan;
1472 chan = ieee80211_get_channel_khz(wiphy, freq);
1473 if (!chan || chan->flags & IEEE80211_CHAN_DISABLED)
1478 static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes)
1480 struct nlattr *nl_modes = nla_nest_start_noflag(msg, attr);
1484 goto nla_put_failure;
1488 if ((ifmodes & 1) && nla_put_flag(msg, i))
1489 goto nla_put_failure;
1494 nla_nest_end(msg, nl_modes);
1501 static int nl80211_put_iface_combinations(struct wiphy *wiphy,
1502 struct sk_buff *msg,
1505 struct nlattr *nl_combis;
1508 nl_combis = nla_nest_start_noflag(msg,
1509 NL80211_ATTR_INTERFACE_COMBINATIONS);
1511 goto nla_put_failure;
1513 for (i = 0; i < wiphy->n_iface_combinations; i++) {
1514 const struct ieee80211_iface_combination *c;
1515 struct nlattr *nl_combi, *nl_limits;
1517 c = &wiphy->iface_combinations[i];
1519 nl_combi = nla_nest_start_noflag(msg, i + 1);
1521 goto nla_put_failure;
1523 nl_limits = nla_nest_start_noflag(msg,
1524 NL80211_IFACE_COMB_LIMITS);
1526 goto nla_put_failure;
1528 for (j = 0; j < c->n_limits; j++) {
1529 struct nlattr *nl_limit;
1531 nl_limit = nla_nest_start_noflag(msg, j + 1);
1533 goto nla_put_failure;
1534 if (nla_put_u32(msg, NL80211_IFACE_LIMIT_MAX,
1536 goto nla_put_failure;
1537 if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES,
1538 c->limits[j].types))
1539 goto nla_put_failure;
1540 nla_nest_end(msg, nl_limit);
1543 nla_nest_end(msg, nl_limits);
1545 if (c->beacon_int_infra_match &&
1546 nla_put_flag(msg, NL80211_IFACE_COMB_STA_AP_BI_MATCH))
1547 goto nla_put_failure;
1548 if (nla_put_u32(msg, NL80211_IFACE_COMB_NUM_CHANNELS,
1549 c->num_different_channels) ||
1550 nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM,
1552 goto nla_put_failure;
1554 (nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS,
1555 c->radar_detect_widths) ||
1556 nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS,
1557 c->radar_detect_regions)))
1558 goto nla_put_failure;
1559 if (c->beacon_int_min_gcd &&
1560 nla_put_u32(msg, NL80211_IFACE_COMB_BI_MIN_GCD,
1561 c->beacon_int_min_gcd))
1562 goto nla_put_failure;
1564 nla_nest_end(msg, nl_combi);
1567 nla_nest_end(msg, nl_combis);
1575 static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev,
1576 struct sk_buff *msg)
1578 const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan->tcp;
1579 struct nlattr *nl_tcp;
1584 nl_tcp = nla_nest_start_noflag(msg,
1585 NL80211_WOWLAN_TRIG_TCP_CONNECTION);
1589 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
1590 tcp->data_payload_max))
1593 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
1594 tcp->data_payload_max))
1597 if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ))
1600 if (tcp->tok && nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
1601 sizeof(*tcp->tok), tcp->tok))
1604 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
1605 tcp->data_interval_max))
1608 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
1609 tcp->wake_payload_max))
1612 nla_nest_end(msg, nl_tcp);
1616 static int nl80211_send_wowlan(struct sk_buff *msg,
1617 struct cfg80211_registered_device *rdev,
1620 struct nlattr *nl_wowlan;
1622 if (!rdev->wiphy.wowlan)
1625 nl_wowlan = nla_nest_start_noflag(msg,
1626 NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED);
1630 if (((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_ANY) &&
1631 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
1632 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_DISCONNECT) &&
1633 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
1634 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT) &&
1635 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
1636 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) &&
1637 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED)) ||
1638 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) &&
1639 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
1640 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) &&
1641 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
1642 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) &&
1643 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
1644 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE) &&
1645 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
1648 if (rdev->wiphy.wowlan->n_patterns) {
1649 struct nl80211_pattern_support pat = {
1650 .max_patterns = rdev->wiphy.wowlan->n_patterns,
1651 .min_pattern_len = rdev->wiphy.wowlan->pattern_min_len,
1652 .max_pattern_len = rdev->wiphy.wowlan->pattern_max_len,
1653 .max_pkt_offset = rdev->wiphy.wowlan->max_pkt_offset,
1656 if (nla_put(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
1661 if ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_NET_DETECT) &&
1662 nla_put_u32(msg, NL80211_WOWLAN_TRIG_NET_DETECT,
1663 rdev->wiphy.wowlan->max_nd_match_sets))
1666 if (large && nl80211_send_wowlan_tcp_caps(rdev, msg))
1669 nla_nest_end(msg, nl_wowlan);
1675 static int nl80211_send_coalesce(struct sk_buff *msg,
1676 struct cfg80211_registered_device *rdev)
1678 struct nl80211_coalesce_rule_support rule;
1680 if (!rdev->wiphy.coalesce)
1683 rule.max_rules = rdev->wiphy.coalesce->n_rules;
1684 rule.max_delay = rdev->wiphy.coalesce->max_delay;
1685 rule.pat.max_patterns = rdev->wiphy.coalesce->n_patterns;
1686 rule.pat.min_pattern_len = rdev->wiphy.coalesce->pattern_min_len;
1687 rule.pat.max_pattern_len = rdev->wiphy.coalesce->pattern_max_len;
1688 rule.pat.max_pkt_offset = rdev->wiphy.coalesce->max_pkt_offset;
1690 if (nla_put(msg, NL80211_ATTR_COALESCE_RULE, sizeof(rule), &rule))
1697 nl80211_send_iftype_data(struct sk_buff *msg,
1698 const struct ieee80211_supported_band *sband,
1699 const struct ieee80211_sband_iftype_data *iftdata)
1701 const struct ieee80211_sta_he_cap *he_cap = &iftdata->he_cap;
1703 if (nl80211_put_iftypes(msg, NL80211_BAND_IFTYPE_ATTR_IFTYPES,
1704 iftdata->types_mask))
1707 if (he_cap->has_he) {
1708 if (nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC,
1709 sizeof(he_cap->he_cap_elem.mac_cap_info),
1710 he_cap->he_cap_elem.mac_cap_info) ||
1711 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY,
1712 sizeof(he_cap->he_cap_elem.phy_cap_info),
1713 he_cap->he_cap_elem.phy_cap_info) ||
1714 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET,
1715 sizeof(he_cap->he_mcs_nss_supp),
1716 &he_cap->he_mcs_nss_supp) ||
1717 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE,
1718 sizeof(he_cap->ppe_thres), he_cap->ppe_thres))
1722 if (sband->band == NL80211_BAND_6GHZ &&
1723 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_6GHZ_CAPA,
1724 sizeof(iftdata->he_6ghz_capa),
1725 &iftdata->he_6ghz_capa))
1731 static int nl80211_send_band_rateinfo(struct sk_buff *msg,
1732 struct ieee80211_supported_band *sband,
1735 struct nlattr *nl_rates, *nl_rate;
1736 struct ieee80211_rate *rate;
1740 if (sband->ht_cap.ht_supported &&
1741 (nla_put(msg, NL80211_BAND_ATTR_HT_MCS_SET,
1742 sizeof(sband->ht_cap.mcs),
1743 &sband->ht_cap.mcs) ||
1744 nla_put_u16(msg, NL80211_BAND_ATTR_HT_CAPA,
1745 sband->ht_cap.cap) ||
1746 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR,
1747 sband->ht_cap.ampdu_factor) ||
1748 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY,
1749 sband->ht_cap.ampdu_density)))
1753 if (sband->vht_cap.vht_supported &&
1754 (nla_put(msg, NL80211_BAND_ATTR_VHT_MCS_SET,
1755 sizeof(sband->vht_cap.vht_mcs),
1756 &sband->vht_cap.vht_mcs) ||
1757 nla_put_u32(msg, NL80211_BAND_ATTR_VHT_CAPA,
1758 sband->vht_cap.cap)))
1761 if (large && sband->n_iftype_data) {
1762 struct nlattr *nl_iftype_data =
1763 nla_nest_start_noflag(msg,
1764 NL80211_BAND_ATTR_IFTYPE_DATA);
1767 if (!nl_iftype_data)
1770 for (i = 0; i < sband->n_iftype_data; i++) {
1771 struct nlattr *iftdata;
1773 iftdata = nla_nest_start_noflag(msg, i + 1);
1777 err = nl80211_send_iftype_data(msg, sband,
1778 &sband->iftype_data[i]);
1782 nla_nest_end(msg, iftdata);
1785 nla_nest_end(msg, nl_iftype_data);
1789 if (large && sband->edmg_cap.channels &&
1790 (nla_put_u8(msg, NL80211_BAND_ATTR_EDMG_CHANNELS,
1791 sband->edmg_cap.channels) ||
1792 nla_put_u8(msg, NL80211_BAND_ATTR_EDMG_BW_CONFIG,
1793 sband->edmg_cap.bw_config)))
1798 nl_rates = nla_nest_start_noflag(msg, NL80211_BAND_ATTR_RATES);
1802 for (i = 0; i < sband->n_bitrates; i++) {
1803 nl_rate = nla_nest_start_noflag(msg, i);
1807 rate = &sband->bitrates[i];
1808 if (nla_put_u32(msg, NL80211_BITRATE_ATTR_RATE,
1811 if ((rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) &&
1813 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE))
1816 nla_nest_end(msg, nl_rate);
1819 nla_nest_end(msg, nl_rates);
1825 nl80211_send_mgmt_stypes(struct sk_buff *msg,
1826 const struct ieee80211_txrx_stypes *mgmt_stypes)
1829 struct nlattr *nl_ftypes, *nl_ifs;
1830 enum nl80211_iftype ift;
1836 nl_ifs = nla_nest_start_noflag(msg, NL80211_ATTR_TX_FRAME_TYPES);
1840 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
1841 nl_ftypes = nla_nest_start_noflag(msg, ift);
1845 stypes = mgmt_stypes[ift].tx;
1848 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
1849 (i << 4) | IEEE80211_FTYPE_MGMT))
1854 nla_nest_end(msg, nl_ftypes);
1857 nla_nest_end(msg, nl_ifs);
1859 nl_ifs = nla_nest_start_noflag(msg, NL80211_ATTR_RX_FRAME_TYPES);
1863 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
1864 nl_ftypes = nla_nest_start_noflag(msg, ift);
1868 stypes = mgmt_stypes[ift].rx;
1871 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
1872 (i << 4) | IEEE80211_FTYPE_MGMT))
1877 nla_nest_end(msg, nl_ftypes);
1879 nla_nest_end(msg, nl_ifs);
1884 #define CMD(op, n) \
1886 if (rdev->ops->op) { \
1888 if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \
1889 goto nla_put_failure; \
1893 static int nl80211_add_commands_unsplit(struct cfg80211_registered_device *rdev,
1894 struct sk_buff *msg)
1899 * do *NOT* add anything into this function, new things need to be
1900 * advertised only to new versions of userspace that can deal with
1901 * the split (and they can't possibly care about new features...
1903 CMD(add_virtual_intf, NEW_INTERFACE);
1904 CMD(change_virtual_intf, SET_INTERFACE);
1905 CMD(add_key, NEW_KEY);
1906 CMD(start_ap, START_AP);
1907 CMD(add_station, NEW_STATION);
1908 CMD(add_mpath, NEW_MPATH);
1909 CMD(update_mesh_config, SET_MESH_CONFIG);
1910 CMD(change_bss, SET_BSS);
1911 CMD(auth, AUTHENTICATE);
1912 CMD(assoc, ASSOCIATE);
1913 CMD(deauth, DEAUTHENTICATE);
1914 CMD(disassoc, DISASSOCIATE);
1915 CMD(join_ibss, JOIN_IBSS);
1916 CMD(join_mesh, JOIN_MESH);
1917 CMD(set_pmksa, SET_PMKSA);
1918 CMD(del_pmksa, DEL_PMKSA);
1919 CMD(flush_pmksa, FLUSH_PMKSA);
1920 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)
1921 CMD(remain_on_channel, REMAIN_ON_CHANNEL);
1922 CMD(set_bitrate_mask, SET_TX_BITRATE_MASK);
1923 CMD(mgmt_tx, FRAME);
1924 CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL);
1925 if (rdev->wiphy.flags & WIPHY_FLAG_NETNS_OK) {
1927 if (nla_put_u32(msg, i, NL80211_CMD_SET_WIPHY_NETNS))
1928 goto nla_put_failure;
1930 if (rdev->ops->set_monitor_channel || rdev->ops->start_ap ||
1931 rdev->ops->join_mesh) {
1933 if (nla_put_u32(msg, i, NL80211_CMD_SET_CHANNEL))
1934 goto nla_put_failure;
1936 if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) {
1937 CMD(tdls_mgmt, TDLS_MGMT);
1938 CMD(tdls_oper, TDLS_OPER);
1940 if (rdev->wiphy.max_sched_scan_reqs)
1941 CMD(sched_scan_start, START_SCHED_SCAN);
1942 CMD(probe_client, PROBE_CLIENT);
1943 CMD(set_noack_map, SET_NOACK_MAP);
1944 if (rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) {
1946 if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS))
1947 goto nla_put_failure;
1949 CMD(start_p2p_device, START_P2P_DEVICE);
1950 CMD(set_mcast_rate, SET_MCAST_RATE);
1951 #ifdef CONFIG_NL80211_TESTMODE
1952 CMD(testmode_cmd, TESTMODE);
1955 if (rdev->ops->connect || rdev->ops->auth) {
1957 if (nla_put_u32(msg, i, NL80211_CMD_CONNECT))
1958 goto nla_put_failure;
1961 if (rdev->ops->disconnect || rdev->ops->deauth) {
1963 if (nla_put_u32(msg, i, NL80211_CMD_DISCONNECT))
1964 goto nla_put_failure;
1973 nl80211_send_pmsr_ftm_capa(const struct cfg80211_pmsr_capabilities *cap,
1974 struct sk_buff *msg)
1978 if (!cap->ftm.supported)
1981 ftm = nla_nest_start_noflag(msg, NL80211_PMSR_TYPE_FTM);
1985 if (cap->ftm.asap && nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_ASAP))
1987 if (cap->ftm.non_asap &&
1988 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_NON_ASAP))
1990 if (cap->ftm.request_lci &&
1991 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_REQ_LCI))
1993 if (cap->ftm.request_civicloc &&
1994 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_REQ_CIVICLOC))
1996 if (nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_PREAMBLES,
1997 cap->ftm.preambles))
1999 if (nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_BANDWIDTHS,
2000 cap->ftm.bandwidths))
2002 if (cap->ftm.max_bursts_exponent >= 0 &&
2003 nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_MAX_BURSTS_EXPONENT,
2004 cap->ftm.max_bursts_exponent))
2006 if (cap->ftm.max_ftms_per_burst &&
2007 nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_MAX_FTMS_PER_BURST,
2008 cap->ftm.max_ftms_per_burst))
2010 if (cap->ftm.trigger_based &&
2011 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_TRIGGER_BASED))
2013 if (cap->ftm.non_trigger_based &&
2014 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_NON_TRIGGER_BASED))
2017 nla_nest_end(msg, ftm);
2021 static int nl80211_send_pmsr_capa(struct cfg80211_registered_device *rdev,
2022 struct sk_buff *msg)
2024 const struct cfg80211_pmsr_capabilities *cap = rdev->wiphy.pmsr_capa;
2025 struct nlattr *pmsr, *caps;
2031 * we don't need to clean up anything here since the caller
2032 * will genlmsg_cancel() if we fail
2035 pmsr = nla_nest_start_noflag(msg, NL80211_ATTR_PEER_MEASUREMENTS);
2039 if (nla_put_u32(msg, NL80211_PMSR_ATTR_MAX_PEERS, cap->max_peers))
2042 if (cap->report_ap_tsf &&
2043 nla_put_flag(msg, NL80211_PMSR_ATTR_REPORT_AP_TSF))
2046 if (cap->randomize_mac_addr &&
2047 nla_put_flag(msg, NL80211_PMSR_ATTR_RANDOMIZE_MAC_ADDR))
2050 caps = nla_nest_start_noflag(msg, NL80211_PMSR_ATTR_TYPE_CAPA);
2054 if (nl80211_send_pmsr_ftm_capa(cap, msg))
2057 nla_nest_end(msg, caps);
2058 nla_nest_end(msg, pmsr);
2064 nl80211_put_iftype_akm_suites(struct cfg80211_registered_device *rdev,
2065 struct sk_buff *msg)
2068 struct nlattr *nested, *nested_akms;
2069 const struct wiphy_iftype_akm_suites *iftype_akms;
2071 if (!rdev->wiphy.num_iftype_akm_suites ||
2072 !rdev->wiphy.iftype_akm_suites)
2075 nested = nla_nest_start(msg, NL80211_ATTR_IFTYPE_AKM_SUITES);
2079 for (i = 0; i < rdev->wiphy.num_iftype_akm_suites; i++) {
2080 nested_akms = nla_nest_start(msg, i + 1);
2084 iftype_akms = &rdev->wiphy.iftype_akm_suites[i];
2086 if (nl80211_put_iftypes(msg, NL80211_IFTYPE_AKM_ATTR_IFTYPES,
2087 iftype_akms->iftypes_mask))
2090 if (nla_put(msg, NL80211_IFTYPE_AKM_ATTR_SUITES,
2091 sizeof(u32) * iftype_akms->n_akm_suites,
2092 iftype_akms->akm_suites)) {
2095 nla_nest_end(msg, nested_akms);
2098 nla_nest_end(msg, nested);
2104 nl80211_put_tid_config_support(struct cfg80211_registered_device *rdev,
2105 struct sk_buff *msg)
2107 struct nlattr *supp;
2109 if (!rdev->wiphy.tid_config_support.vif &&
2110 !rdev->wiphy.tid_config_support.peer)
2113 supp = nla_nest_start(msg, NL80211_ATTR_TID_CONFIG);
2117 if (rdev->wiphy.tid_config_support.vif &&
2118 nla_put_u64_64bit(msg, NL80211_TID_CONFIG_ATTR_VIF_SUPP,
2119 rdev->wiphy.tid_config_support.vif,
2120 NL80211_TID_CONFIG_ATTR_PAD))
2123 if (rdev->wiphy.tid_config_support.peer &&
2124 nla_put_u64_64bit(msg, NL80211_TID_CONFIG_ATTR_PEER_SUPP,
2125 rdev->wiphy.tid_config_support.peer,
2126 NL80211_TID_CONFIG_ATTR_PAD))
2129 /* for now we just use the same value ... makes more sense */
2130 if (nla_put_u8(msg, NL80211_TID_CONFIG_ATTR_RETRY_SHORT,
2131 rdev->wiphy.tid_config_support.max_retry))
2133 if (nla_put_u8(msg, NL80211_TID_CONFIG_ATTR_RETRY_LONG,
2134 rdev->wiphy.tid_config_support.max_retry))
2137 nla_nest_end(msg, supp);
2141 nla_nest_cancel(msg, supp);
2146 nl80211_put_sar_specs(struct cfg80211_registered_device *rdev,
2147 struct sk_buff *msg)
2149 struct nlattr *sar_capa, *specs, *sub_freq_range;
2153 if (!rdev->wiphy.sar_capa)
2156 num_freq_ranges = rdev->wiphy.sar_capa->num_freq_ranges;
2158 sar_capa = nla_nest_start(msg, NL80211_ATTR_SAR_SPEC);
2162 if (nla_put_u32(msg, NL80211_SAR_ATTR_TYPE, rdev->wiphy.sar_capa->type))
2165 specs = nla_nest_start(msg, NL80211_SAR_ATTR_SPECS);
2169 /* report supported freq_ranges */
2170 for (i = 0; i < num_freq_ranges; i++) {
2171 sub_freq_range = nla_nest_start(msg, i + 1);
2172 if (!sub_freq_range)
2175 if (nla_put_u32(msg, NL80211_SAR_ATTR_SPECS_START_FREQ,
2176 rdev->wiphy.sar_capa->freq_ranges[i].start_freq))
2179 if (nla_put_u32(msg, NL80211_SAR_ATTR_SPECS_END_FREQ,
2180 rdev->wiphy.sar_capa->freq_ranges[i].end_freq))
2183 nla_nest_end(msg, sub_freq_range);
2186 nla_nest_end(msg, specs);
2187 nla_nest_end(msg, sar_capa);
2191 nla_nest_cancel(msg, sar_capa);
2195 struct nl80211_dump_wiphy_state {
2198 long split_start, band_start, chan_start, capa_start;
2202 static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev,
2203 enum nl80211_commands cmd,
2204 struct sk_buff *msg, u32 portid, u32 seq,
2205 int flags, struct nl80211_dump_wiphy_state *state)
2208 struct nlattr *nl_bands, *nl_band;
2209 struct nlattr *nl_freqs, *nl_freq;
2210 struct nlattr *nl_cmds;
2211 enum nl80211_band band;
2212 struct ieee80211_channel *chan;
2214 const struct ieee80211_txrx_stypes *mgmt_stypes =
2215 rdev->wiphy.mgmt_stypes;
2218 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
2222 if (WARN_ON(!state))
2225 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
2226 nla_put_string(msg, NL80211_ATTR_WIPHY_NAME,
2227 wiphy_name(&rdev->wiphy)) ||
2228 nla_put_u32(msg, NL80211_ATTR_GENERATION,
2229 cfg80211_rdev_list_generation))
2230 goto nla_put_failure;
2232 if (cmd != NL80211_CMD_NEW_WIPHY)
2235 switch (state->split_start) {
2237 if (nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT,
2238 rdev->wiphy.retry_short) ||
2239 nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_LONG,
2240 rdev->wiphy.retry_long) ||
2241 nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD,
2242 rdev->wiphy.frag_threshold) ||
2243 nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD,
2244 rdev->wiphy.rts_threshold) ||
2245 nla_put_u8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS,
2246 rdev->wiphy.coverage_class) ||
2247 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS,
2248 rdev->wiphy.max_scan_ssids) ||
2249 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS,
2250 rdev->wiphy.max_sched_scan_ssids) ||
2251 nla_put_u16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN,
2252 rdev->wiphy.max_scan_ie_len) ||
2253 nla_put_u16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN,
2254 rdev->wiphy.max_sched_scan_ie_len) ||
2255 nla_put_u8(msg, NL80211_ATTR_MAX_MATCH_SETS,
2256 rdev->wiphy.max_match_sets))
2257 goto nla_put_failure;
2259 if ((rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) &&
2260 nla_put_flag(msg, NL80211_ATTR_SUPPORT_IBSS_RSN))
2261 goto nla_put_failure;
2262 if ((rdev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) &&
2263 nla_put_flag(msg, NL80211_ATTR_SUPPORT_MESH_AUTH))
2264 goto nla_put_failure;
2265 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) &&
2266 nla_put_flag(msg, NL80211_ATTR_SUPPORT_AP_UAPSD))
2267 goto nla_put_failure;
2268 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) &&
2269 nla_put_flag(msg, NL80211_ATTR_ROAM_SUPPORT))
2270 goto nla_put_failure;
2271 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) &&
2272 nla_put_flag(msg, NL80211_ATTR_TDLS_SUPPORT))
2273 goto nla_put_failure;
2274 if ((rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) &&
2275 nla_put_flag(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP))
2276 goto nla_put_failure;
2277 state->split_start++;
2282 if (nla_put(msg, NL80211_ATTR_CIPHER_SUITES,
2283 sizeof(u32) * rdev->wiphy.n_cipher_suites,
2284 rdev->wiphy.cipher_suites))
2285 goto nla_put_failure;
2287 if (nla_put_u8(msg, NL80211_ATTR_MAX_NUM_PMKIDS,
2288 rdev->wiphy.max_num_pmkids))
2289 goto nla_put_failure;
2291 if ((rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
2292 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE))
2293 goto nla_put_failure;
2295 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX,
2296 rdev->wiphy.available_antennas_tx) ||
2297 nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX,
2298 rdev->wiphy.available_antennas_rx))
2299 goto nla_put_failure;
2301 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) &&
2302 nla_put_u32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD,
2303 rdev->wiphy.probe_resp_offload))
2304 goto nla_put_failure;
2306 if ((rdev->wiphy.available_antennas_tx ||
2307 rdev->wiphy.available_antennas_rx) &&
2308 rdev->ops->get_antenna) {
2309 u32 tx_ant = 0, rx_ant = 0;
2312 res = rdev_get_antenna(rdev, &tx_ant, &rx_ant);
2314 if (nla_put_u32(msg,
2315 NL80211_ATTR_WIPHY_ANTENNA_TX,
2318 NL80211_ATTR_WIPHY_ANTENNA_RX,
2320 goto nla_put_failure;
2324 state->split_start++;
2329 if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES,
2330 rdev->wiphy.interface_modes))
2331 goto nla_put_failure;
2332 state->split_start++;
2337 nl_bands = nla_nest_start_noflag(msg,
2338 NL80211_ATTR_WIPHY_BANDS);
2340 goto nla_put_failure;
2342 for (band = state->band_start;
2343 band < NUM_NL80211_BANDS; band++) {
2344 struct ieee80211_supported_band *sband;
2346 /* omit higher bands for ancient software */
2347 if (band > NL80211_BAND_5GHZ && !state->split)
2350 sband = rdev->wiphy.bands[band];
2355 nl_band = nla_nest_start_noflag(msg, band);
2357 goto nla_put_failure;
2359 switch (state->chan_start) {
2361 if (nl80211_send_band_rateinfo(msg, sband,
2363 goto nla_put_failure;
2364 state->chan_start++;
2369 /* add frequencies */
2370 nl_freqs = nla_nest_start_noflag(msg,
2371 NL80211_BAND_ATTR_FREQS);
2373 goto nla_put_failure;
2375 for (i = state->chan_start - 1;
2376 i < sband->n_channels;
2378 nl_freq = nla_nest_start_noflag(msg,
2381 goto nla_put_failure;
2383 chan = &sband->channels[i];
2385 if (nl80211_msg_put_channel(
2386 msg, &rdev->wiphy, chan,
2388 goto nla_put_failure;
2390 nla_nest_end(msg, nl_freq);
2394 if (i < sband->n_channels)
2395 state->chan_start = i + 2;
2397 state->chan_start = 0;
2398 nla_nest_end(msg, nl_freqs);
2401 nla_nest_end(msg, nl_band);
2404 /* start again here */
2405 if (state->chan_start)
2410 nla_nest_end(msg, nl_bands);
2412 if (band < NUM_NL80211_BANDS)
2413 state->band_start = band + 1;
2415 state->band_start = 0;
2417 /* if bands & channels are done, continue outside */
2418 if (state->band_start == 0 && state->chan_start == 0)
2419 state->split_start++;
2424 nl_cmds = nla_nest_start_noflag(msg,
2425 NL80211_ATTR_SUPPORTED_COMMANDS);
2427 goto nla_put_failure;
2429 i = nl80211_add_commands_unsplit(rdev, msg);
2431 goto nla_put_failure;
2433 CMD(crit_proto_start, CRIT_PROTOCOL_START);
2434 CMD(crit_proto_stop, CRIT_PROTOCOL_STOP);
2435 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH)
2436 CMD(channel_switch, CHANNEL_SWITCH);
2437 CMD(set_qos_map, SET_QOS_MAP);
2438 if (rdev->wiphy.features &
2439 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION)
2440 CMD(add_tx_ts, ADD_TX_TS);
2441 CMD(set_multicast_to_unicast, SET_MULTICAST_TO_UNICAST);
2442 CMD(update_connect_params, UPDATE_CONNECT_PARAMS);
2443 CMD(update_ft_ies, UPDATE_FT_IES);
2444 if (rdev->wiphy.sar_capa)
2445 CMD(set_sar_specs, SET_SAR_SPECS);
2449 nla_nest_end(msg, nl_cmds);
2450 state->split_start++;
2455 if (rdev->ops->remain_on_channel &&
2456 (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) &&
2458 NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION,
2459 rdev->wiphy.max_remain_on_channel_duration))
2460 goto nla_put_failure;
2462 if ((rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) &&
2463 nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK))
2464 goto nla_put_failure;
2466 state->split_start++;
2472 if (nl80211_send_wowlan(msg, rdev, state->split))
2473 goto nla_put_failure;
2474 state->split_start++;
2478 state->split_start++;
2482 if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES,
2483 rdev->wiphy.software_iftypes))
2484 goto nla_put_failure;
2486 if (nl80211_put_iface_combinations(&rdev->wiphy, msg,
2488 goto nla_put_failure;
2490 state->split_start++;
2495 if ((rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) &&
2496 nla_put_u32(msg, NL80211_ATTR_DEVICE_AP_SME,
2497 rdev->wiphy.ap_sme_capa))
2498 goto nla_put_failure;
2500 features = rdev->wiphy.features;
2502 * We can only add the per-channel limit information if the
2503 * dump is split, otherwise it makes it too big. Therefore
2504 * only advertise it in that case.
2507 features |= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS;
2508 if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS, features))
2509 goto nla_put_failure;
2511 if (rdev->wiphy.ht_capa_mod_mask &&
2512 nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK,
2513 sizeof(*rdev->wiphy.ht_capa_mod_mask),
2514 rdev->wiphy.ht_capa_mod_mask))
2515 goto nla_put_failure;
2517 if (rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME &&
2518 rdev->wiphy.max_acl_mac_addrs &&
2519 nla_put_u32(msg, NL80211_ATTR_MAC_ACL_MAX,
2520 rdev->wiphy.max_acl_mac_addrs))
2521 goto nla_put_failure;
2524 * Any information below this point is only available to
2525 * applications that can deal with it being split. This
2526 * helps ensure that newly added capabilities don't break
2527 * older tools by overrunning their buffers.
2529 * We still increment split_start so that in the split
2530 * case we'll continue with more data in the next round,
2531 * but break unconditionally so unsplit data stops here.
2534 state->split_start++;
2536 state->split_start = 0;
2539 if (nl80211_send_mgmt_stypes(msg, mgmt_stypes))
2540 goto nla_put_failure;
2542 if (nla_put_u32(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS,
2543 rdev->wiphy.max_sched_scan_plans) ||
2544 nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL,
2545 rdev->wiphy.max_sched_scan_plan_interval) ||
2546 nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS,
2547 rdev->wiphy.max_sched_scan_plan_iterations))
2548 goto nla_put_failure;
2550 if (rdev->wiphy.extended_capabilities &&
2551 (nla_put(msg, NL80211_ATTR_EXT_CAPA,
2552 rdev->wiphy.extended_capabilities_len,
2553 rdev->wiphy.extended_capabilities) ||
2554 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
2555 rdev->wiphy.extended_capabilities_len,
2556 rdev->wiphy.extended_capabilities_mask)))
2557 goto nla_put_failure;
2559 if (rdev->wiphy.vht_capa_mod_mask &&
2560 nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK,
2561 sizeof(*rdev->wiphy.vht_capa_mod_mask),
2562 rdev->wiphy.vht_capa_mod_mask))
2563 goto nla_put_failure;
2565 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN,
2566 rdev->wiphy.perm_addr))
2567 goto nla_put_failure;
2569 if (!is_zero_ether_addr(rdev->wiphy.addr_mask) &&
2570 nla_put(msg, NL80211_ATTR_MAC_MASK, ETH_ALEN,
2571 rdev->wiphy.addr_mask))
2572 goto nla_put_failure;
2574 if (rdev->wiphy.n_addresses > 1) {
2577 attr = nla_nest_start(msg, NL80211_ATTR_MAC_ADDRS);
2579 goto nla_put_failure;
2581 for (i = 0; i < rdev->wiphy.n_addresses; i++)
2582 if (nla_put(msg, i + 1, ETH_ALEN,
2583 rdev->wiphy.addresses[i].addr))
2584 goto nla_put_failure;
2586 nla_nest_end(msg, attr);
2589 state->split_start++;
2592 if (nl80211_send_coalesce(msg, rdev))
2593 goto nla_put_failure;
2595 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ) &&
2596 (nla_put_flag(msg, NL80211_ATTR_SUPPORT_5_MHZ) ||
2597 nla_put_flag(msg, NL80211_ATTR_SUPPORT_10_MHZ)))
2598 goto nla_put_failure;
2600 if (rdev->wiphy.max_ap_assoc_sta &&
2601 nla_put_u32(msg, NL80211_ATTR_MAX_AP_ASSOC_STA,
2602 rdev->wiphy.max_ap_assoc_sta))
2603 goto nla_put_failure;
2605 state->split_start++;
2608 if (rdev->wiphy.n_vendor_commands) {
2609 const struct nl80211_vendor_cmd_info *info;
2610 struct nlattr *nested;
2612 nested = nla_nest_start_noflag(msg,
2613 NL80211_ATTR_VENDOR_DATA);
2615 goto nla_put_failure;
2617 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
2618 info = &rdev->wiphy.vendor_commands[i].info;
2619 if (nla_put(msg, i + 1, sizeof(*info), info))
2620 goto nla_put_failure;
2622 nla_nest_end(msg, nested);
2625 if (rdev->wiphy.n_vendor_events) {
2626 const struct nl80211_vendor_cmd_info *info;
2627 struct nlattr *nested;
2629 nested = nla_nest_start_noflag(msg,
2630 NL80211_ATTR_VENDOR_EVENTS);
2632 goto nla_put_failure;
2634 for (i = 0; i < rdev->wiphy.n_vendor_events; i++) {
2635 info = &rdev->wiphy.vendor_events[i];
2636 if (nla_put(msg, i + 1, sizeof(*info), info))
2637 goto nla_put_failure;
2639 nla_nest_end(msg, nested);
2641 state->split_start++;
2644 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH &&
2645 nla_put_u8(msg, NL80211_ATTR_MAX_CSA_COUNTERS,
2646 rdev->wiphy.max_num_csa_counters))
2647 goto nla_put_failure;
2649 if (rdev->wiphy.regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
2650 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
2651 goto nla_put_failure;
2653 if (rdev->wiphy.max_sched_scan_reqs &&
2654 nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_MAX_REQS,
2655 rdev->wiphy.max_sched_scan_reqs))
2656 goto nla_put_failure;
2658 if (nla_put(msg, NL80211_ATTR_EXT_FEATURES,
2659 sizeof(rdev->wiphy.ext_features),
2660 rdev->wiphy.ext_features))
2661 goto nla_put_failure;
2663 if (rdev->wiphy.bss_select_support) {
2664 struct nlattr *nested;
2665 u32 bss_select_support = rdev->wiphy.bss_select_support;
2667 nested = nla_nest_start_noflag(msg,
2668 NL80211_ATTR_BSS_SELECT);
2670 goto nla_put_failure;
2673 while (bss_select_support) {
2674 if ((bss_select_support & 1) &&
2675 nla_put_flag(msg, i))
2676 goto nla_put_failure;
2678 bss_select_support >>= 1;
2680 nla_nest_end(msg, nested);
2683 state->split_start++;
2686 if (rdev->wiphy.num_iftype_ext_capab &&
2687 rdev->wiphy.iftype_ext_capab) {
2688 struct nlattr *nested_ext_capab, *nested;
2690 nested = nla_nest_start_noflag(msg,
2691 NL80211_ATTR_IFTYPE_EXT_CAPA);
2693 goto nla_put_failure;
2695 for (i = state->capa_start;
2696 i < rdev->wiphy.num_iftype_ext_capab; i++) {
2697 const struct wiphy_iftype_ext_capab *capab;
2699 capab = &rdev->wiphy.iftype_ext_capab[i];
2701 nested_ext_capab = nla_nest_start_noflag(msg,
2703 if (!nested_ext_capab ||
2704 nla_put_u32(msg, NL80211_ATTR_IFTYPE,
2706 nla_put(msg, NL80211_ATTR_EXT_CAPA,
2707 capab->extended_capabilities_len,
2708 capab->extended_capabilities) ||
2709 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
2710 capab->extended_capabilities_len,
2711 capab->extended_capabilities_mask))
2712 goto nla_put_failure;
2714 nla_nest_end(msg, nested_ext_capab);
2718 nla_nest_end(msg, nested);
2719 if (i < rdev->wiphy.num_iftype_ext_capab) {
2720 state->capa_start = i + 1;
2725 if (nla_put_u32(msg, NL80211_ATTR_BANDS,
2726 rdev->wiphy.nan_supported_bands))
2727 goto nla_put_failure;
2729 if (wiphy_ext_feature_isset(&rdev->wiphy,
2730 NL80211_EXT_FEATURE_TXQS)) {
2731 struct cfg80211_txq_stats txqstats = {};
2734 res = rdev_get_txq_stats(rdev, NULL, &txqstats);
2736 !nl80211_put_txq_stats(msg, &txqstats,
2737 NL80211_ATTR_TXQ_STATS))
2738 goto nla_put_failure;
2740 if (nla_put_u32(msg, NL80211_ATTR_TXQ_LIMIT,
2741 rdev->wiphy.txq_limit))
2742 goto nla_put_failure;
2743 if (nla_put_u32(msg, NL80211_ATTR_TXQ_MEMORY_LIMIT,
2744 rdev->wiphy.txq_memory_limit))
2745 goto nla_put_failure;
2746 if (nla_put_u32(msg, NL80211_ATTR_TXQ_QUANTUM,
2747 rdev->wiphy.txq_quantum))
2748 goto nla_put_failure;
2751 state->split_start++;
2754 if (nl80211_send_pmsr_capa(rdev, msg))
2755 goto nla_put_failure;
2757 state->split_start++;
2760 if (rdev->wiphy.akm_suites &&
2761 nla_put(msg, NL80211_ATTR_AKM_SUITES,
2762 sizeof(u32) * rdev->wiphy.n_akm_suites,
2763 rdev->wiphy.akm_suites))
2764 goto nla_put_failure;
2766 if (nl80211_put_iftype_akm_suites(rdev, msg))
2767 goto nla_put_failure;
2769 if (nl80211_put_tid_config_support(rdev, msg))
2770 goto nla_put_failure;
2771 state->split_start++;
2774 if (nl80211_put_sar_specs(rdev, msg))
2775 goto nla_put_failure;
2778 state->split_start = 0;
2782 genlmsg_end(msg, hdr);
2786 genlmsg_cancel(msg, hdr);
2790 static int nl80211_dump_wiphy_parse(struct sk_buff *skb,
2791 struct netlink_callback *cb,
2792 struct nl80211_dump_wiphy_state *state)
2794 struct nlattr **tb = kcalloc(NUM_NL80211_ATTR, sizeof(*tb), GFP_KERNEL);
2800 ret = nlmsg_parse_deprecated(cb->nlh,
2801 GENL_HDRLEN + nl80211_fam.hdrsize,
2802 tb, nl80211_fam.maxattr,
2803 nl80211_policy, NULL);
2804 /* ignore parse errors for backward compatibility */
2810 state->split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP];
2811 if (tb[NL80211_ATTR_WIPHY])
2812 state->filter_wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
2813 if (tb[NL80211_ATTR_WDEV])
2814 state->filter_wiphy = nla_get_u64(tb[NL80211_ATTR_WDEV]) >> 32;
2815 if (tb[NL80211_ATTR_IFINDEX]) {
2816 struct net_device *netdev;
2817 struct cfg80211_registered_device *rdev;
2818 int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
2820 netdev = __dev_get_by_index(sock_net(skb->sk), ifidx);
2825 if (netdev->ieee80211_ptr) {
2826 rdev = wiphy_to_rdev(
2827 netdev->ieee80211_ptr->wiphy);
2828 state->filter_wiphy = rdev->wiphy_idx;
2838 static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
2841 struct nl80211_dump_wiphy_state *state = (void *)cb->args[0];
2842 struct cfg80211_registered_device *rdev;
2846 state = kzalloc(sizeof(*state), GFP_KERNEL);
2851 state->filter_wiphy = -1;
2852 ret = nl80211_dump_wiphy_parse(skb, cb, state);
2858 cb->args[0] = (long)state;
2861 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
2862 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
2864 if (++idx <= state->start)
2866 if (state->filter_wiphy != -1 &&
2867 state->filter_wiphy != rdev->wiphy_idx)
2869 /* attempt to fit multiple wiphy data chunks into the skb */
2871 ret = nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY,
2873 NETLINK_CB(cb->skb).portid,
2875 NLM_F_MULTI, state);
2878 * If sending the wiphy data didn't fit (ENOBUFS
2879 * or EMSGSIZE returned), this SKB is still
2880 * empty (so it's not too big because another
2881 * wiphy dataset is already in the skb) and
2882 * we've not tried to adjust the dump allocation
2883 * yet ... then adjust the alloc size to be
2884 * bigger, and return 1 but with the empty skb.
2885 * This results in an empty message being RX'ed
2886 * in userspace, but that is ignored.
2888 * We can then retry with the larger buffer.
2890 if ((ret == -ENOBUFS || ret == -EMSGSIZE) &&
2891 !skb->len && !state->split &&
2892 cb->min_dump_alloc < 4096) {
2893 cb->min_dump_alloc = 4096;
2894 state->split_start = 0;
2901 } while (state->split_start > 0);
2911 static int nl80211_dump_wiphy_done(struct netlink_callback *cb)
2913 kfree((void *)cb->args[0]);
2917 static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info)
2919 struct sk_buff *msg;
2920 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2921 struct nl80211_dump_wiphy_state state = {};
2923 msg = nlmsg_new(4096, GFP_KERNEL);
2927 if (nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY, msg,
2928 info->snd_portid, info->snd_seq, 0,
2934 return genlmsg_reply(msg, info);
2937 static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = {
2938 [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 },
2939 [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 },
2940 [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 },
2941 [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 },
2942 [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 },
2945 static int parse_txq_params(struct nlattr *tb[],
2946 struct ieee80211_txq_params *txq_params)
2950 if (!tb[NL80211_TXQ_ATTR_AC] || !tb[NL80211_TXQ_ATTR_TXOP] ||
2951 !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] ||
2952 !tb[NL80211_TXQ_ATTR_AIFS])
2955 ac = nla_get_u8(tb[NL80211_TXQ_ATTR_AC]);
2956 txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]);
2957 txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]);
2958 txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]);
2959 txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]);
2961 if (ac >= NL80211_NUM_ACS)
2963 txq_params->ac = array_index_nospec(ac, NL80211_NUM_ACS);
2967 static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev)
2970 * You can only set the channel explicitly for some interfaces,
2971 * most have their channel managed via their respective
2972 * "establish a connection" command (connect, join, ...)
2974 * For AP/GO and mesh mode, the channel can be set with the
2975 * channel userspace API, but is only stored and passed to the
2976 * low-level driver when the AP starts or the mesh is joined.
2977 * This is for backward compatibility, userspace can also give
2978 * the channel in the start-ap or join-mesh commands instead.
2980 * Monitors are special as they are normally slaved to
2981 * whatever else is going on, so they have their own special
2982 * operation to set the monitor channel if possible.
2985 wdev->iftype == NL80211_IFTYPE_AP ||
2986 wdev->iftype == NL80211_IFTYPE_MESH_POINT ||
2987 wdev->iftype == NL80211_IFTYPE_MONITOR ||
2988 wdev->iftype == NL80211_IFTYPE_P2P_GO;
2991 int nl80211_parse_chandef(struct cfg80211_registered_device *rdev,
2992 struct genl_info *info,
2993 struct cfg80211_chan_def *chandef)
2995 struct netlink_ext_ack *extack = info->extack;
2996 struct nlattr **attrs = info->attrs;
2999 if (!attrs[NL80211_ATTR_WIPHY_FREQ])
3002 control_freq = MHZ_TO_KHZ(
3003 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
3004 if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
3006 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
3008 memset(chandef, 0, sizeof(*chandef));
3009 chandef->chan = ieee80211_get_channel_khz(&rdev->wiphy, control_freq);
3010 chandef->width = NL80211_CHAN_WIDTH_20_NOHT;
3011 chandef->center_freq1 = KHZ_TO_MHZ(control_freq);
3012 chandef->freq1_offset = control_freq % 1000;
3013 chandef->center_freq2 = 0;
3015 /* Primary channel not allowed */
3016 if (!chandef->chan || chandef->chan->flags & IEEE80211_CHAN_DISABLED) {
3017 NL_SET_ERR_MSG_ATTR(extack, attrs[NL80211_ATTR_WIPHY_FREQ],
3018 "Channel is disabled");
3022 if (attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
3023 enum nl80211_channel_type chantype;
3025 chantype = nla_get_u32(attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
3028 case NL80211_CHAN_NO_HT:
3029 case NL80211_CHAN_HT20:
3030 case NL80211_CHAN_HT40PLUS:
3031 case NL80211_CHAN_HT40MINUS:
3032 cfg80211_chandef_create(chandef, chandef->chan,
3034 /* user input for center_freq is incorrect */
3035 if (attrs[NL80211_ATTR_CENTER_FREQ1] &&
3036 chandef->center_freq1 != nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ1])) {
3037 NL_SET_ERR_MSG_ATTR(extack,
3038 attrs[NL80211_ATTR_CENTER_FREQ1],
3039 "bad center frequency 1");
3042 /* center_freq2 must be zero */
3043 if (attrs[NL80211_ATTR_CENTER_FREQ2] &&
3044 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ2])) {
3045 NL_SET_ERR_MSG_ATTR(extack,
3046 attrs[NL80211_ATTR_CENTER_FREQ2],
3047 "center frequency 2 can't be used");
3052 NL_SET_ERR_MSG_ATTR(extack,
3053 attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE],
3054 "invalid channel type");
3057 } else if (attrs[NL80211_ATTR_CHANNEL_WIDTH]) {
3059 nla_get_u32(attrs[NL80211_ATTR_CHANNEL_WIDTH]);
3060 if (attrs[NL80211_ATTR_CENTER_FREQ1]) {
3061 chandef->center_freq1 =
3062 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ1]);
3063 if (attrs[NL80211_ATTR_CENTER_FREQ1_OFFSET])
3064 chandef->freq1_offset = nla_get_u32(
3065 attrs[NL80211_ATTR_CENTER_FREQ1_OFFSET]);
3067 chandef->freq1_offset = 0;
3069 if (attrs[NL80211_ATTR_CENTER_FREQ2])
3070 chandef->center_freq2 =
3071 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ2]);
3074 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]) {
3075 chandef->edmg.channels =
3076 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]);
3078 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG])
3079 chandef->edmg.bw_config =
3080 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG]);
3082 chandef->edmg.bw_config = 0;
3083 chandef->edmg.channels = 0;
3086 if (!cfg80211_chandef_valid(chandef)) {
3087 NL_SET_ERR_MSG(extack, "invalid channel definition");
3091 if (!cfg80211_chandef_usable(&rdev->wiphy, chandef,
3092 IEEE80211_CHAN_DISABLED)) {
3093 NL_SET_ERR_MSG(extack, "(extension) channel is disabled");
3097 if ((chandef->width == NL80211_CHAN_WIDTH_5 ||
3098 chandef->width == NL80211_CHAN_WIDTH_10) &&
3099 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ)) {
3100 NL_SET_ERR_MSG(extack, "5/10 MHz not supported");
3107 static int __nl80211_set_channel(struct cfg80211_registered_device *rdev,
3108 struct net_device *dev,
3109 struct genl_info *info)
3111 struct cfg80211_chan_def chandef;
3113 enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR;
3114 struct wireless_dev *wdev = NULL;
3117 wdev = dev->ieee80211_ptr;
3118 if (!nl80211_can_set_dev_channel(wdev))
3121 iftype = wdev->iftype;
3123 result = nl80211_parse_chandef(rdev, info, &chandef);
3128 case NL80211_IFTYPE_AP:
3129 case NL80211_IFTYPE_P2P_GO:
3130 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
3135 if (wdev->beacon_interval) {
3136 if (!dev || !rdev->ops->set_ap_chanwidth ||
3137 !(rdev->wiphy.features &
3138 NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE)) {
3143 /* Only allow dynamic channel width changes */
3144 if (chandef.chan != wdev->preset_chandef.chan) {
3148 result = rdev_set_ap_chanwidth(rdev, dev, &chandef);
3152 wdev->preset_chandef = chandef;
3155 case NL80211_IFTYPE_MESH_POINT:
3156 result = cfg80211_set_mesh_channel(rdev, wdev, &chandef);
3158 case NL80211_IFTYPE_MONITOR:
3159 result = cfg80211_set_monitor_channel(rdev, &chandef);
3168 static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info)
3170 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3171 struct net_device *netdev = info->user_ptr[1];
3173 return __nl80211_set_channel(rdev, netdev, info);
3176 static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
3178 struct cfg80211_registered_device *rdev = NULL;
3179 struct net_device *netdev = NULL;
3180 struct wireless_dev *wdev;
3181 int result = 0, rem_txq_params = 0;
3182 struct nlattr *nl_txq_params;
3184 u8 retry_short = 0, retry_long = 0;
3185 u32 frag_threshold = 0, rts_threshold = 0;
3186 u8 coverage_class = 0;
3187 u32 txq_limit = 0, txq_memory_limit = 0, txq_quantum = 0;
3191 * Try to find the wiphy and netdev. Normally this
3192 * function shouldn't need the netdev, but this is
3193 * done for backward compatibility -- previously
3194 * setting the channel was done per wiphy, but now
3195 * it is per netdev. Previous userland like hostapd
3196 * also passed a netdev to set_wiphy, so that it is
3197 * possible to let that go to the right netdev!
3200 if (info->attrs[NL80211_ATTR_IFINDEX]) {
3201 int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]);
3203 netdev = __dev_get_by_index(genl_info_net(info), ifindex);
3204 if (netdev && netdev->ieee80211_ptr)
3205 rdev = wiphy_to_rdev(netdev->ieee80211_ptr->wiphy);
3211 rdev = __cfg80211_rdev_from_attrs(genl_info_net(info),
3215 return PTR_ERR(rdev);
3221 wdev = netdev->ieee80211_ptr;
3223 wiphy_lock(&rdev->wiphy);
3226 * end workaround code, by now the rdev is available
3227 * and locked, and wdev may or may not be NULL.
3230 if (info->attrs[NL80211_ATTR_WIPHY_NAME])
3231 result = cfg80211_dev_rename(
3232 rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME]));
3238 if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) {
3239 struct ieee80211_txq_params txq_params;
3240 struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1];
3242 if (!rdev->ops->set_txq_params) {
3243 result = -EOPNOTSUPP;
3252 if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
3253 netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
3258 if (!netif_running(netdev)) {
3263 nla_for_each_nested(nl_txq_params,
3264 info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS],
3266 result = nla_parse_nested_deprecated(tb,
3267 NL80211_TXQ_ATTR_MAX,
3273 result = parse_txq_params(tb, &txq_params);
3277 result = rdev_set_txq_params(rdev, netdev,
3284 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
3285 result = __nl80211_set_channel(
3287 nl80211_can_set_dev_channel(wdev) ? netdev : NULL,
3293 if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) {
3294 struct wireless_dev *txp_wdev = wdev;
3295 enum nl80211_tx_power_setting type;
3298 if (!(rdev->wiphy.features & NL80211_FEATURE_VIF_TXPOWER))
3301 if (!rdev->ops->set_tx_power) {
3302 result = -EOPNOTSUPP;
3306 idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING;
3307 type = nla_get_u32(info->attrs[idx]);
3309 if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] &&
3310 (type != NL80211_TX_POWER_AUTOMATIC)) {
3315 if (type != NL80211_TX_POWER_AUTOMATIC) {
3316 idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL;
3317 mbm = nla_get_u32(info->attrs[idx]);
3320 result = rdev_set_tx_power(rdev, txp_wdev, type, mbm);
3325 if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] &&
3326 info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) {
3329 if ((!rdev->wiphy.available_antennas_tx &&
3330 !rdev->wiphy.available_antennas_rx) ||
3331 !rdev->ops->set_antenna) {
3332 result = -EOPNOTSUPP;
3336 tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]);
3337 rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]);
3339 /* reject antenna configurations which don't match the
3340 * available antenna masks, except for the "all" mask */
3341 if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) ||
3342 (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx))) {
3347 tx_ant = tx_ant & rdev->wiphy.available_antennas_tx;
3348 rx_ant = rx_ant & rdev->wiphy.available_antennas_rx;
3350 result = rdev_set_antenna(rdev, tx_ant, rx_ant);
3357 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) {
3358 retry_short = nla_get_u8(
3359 info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]);
3361 changed |= WIPHY_PARAM_RETRY_SHORT;
3364 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) {
3365 retry_long = nla_get_u8(
3366 info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]);
3368 changed |= WIPHY_PARAM_RETRY_LONG;
3371 if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) {
3372 frag_threshold = nla_get_u32(
3373 info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]);
3374 if (frag_threshold < 256) {
3379 if (frag_threshold != (u32) -1) {
3381 * Fragments (apart from the last one) are required to
3382 * have even length. Make the fragmentation code
3383 * simpler by stripping LSB should someone try to use
3384 * odd threshold value.
3386 frag_threshold &= ~0x1;
3388 changed |= WIPHY_PARAM_FRAG_THRESHOLD;
3391 if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) {
3392 rts_threshold = nla_get_u32(
3393 info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]);
3394 changed |= WIPHY_PARAM_RTS_THRESHOLD;
3397 if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) {
3398 if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) {
3403 coverage_class = nla_get_u8(
3404 info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]);
3405 changed |= WIPHY_PARAM_COVERAGE_CLASS;
3408 if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) {
3409 if (!(rdev->wiphy.features & NL80211_FEATURE_ACKTO_ESTIMATION)) {
3410 result = -EOPNOTSUPP;
3414 changed |= WIPHY_PARAM_DYN_ACK;
3417 if (info->attrs[NL80211_ATTR_TXQ_LIMIT]) {
3418 if (!wiphy_ext_feature_isset(&rdev->wiphy,
3419 NL80211_EXT_FEATURE_TXQS)) {
3420 result = -EOPNOTSUPP;
3423 txq_limit = nla_get_u32(
3424 info->attrs[NL80211_ATTR_TXQ_LIMIT]);
3425 changed |= WIPHY_PARAM_TXQ_LIMIT;
3428 if (info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]) {
3429 if (!wiphy_ext_feature_isset(&rdev->wiphy,
3430 NL80211_EXT_FEATURE_TXQS)) {
3431 result = -EOPNOTSUPP;
3434 txq_memory_limit = nla_get_u32(
3435 info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]);
3436 changed |= WIPHY_PARAM_TXQ_MEMORY_LIMIT;
3439 if (info->attrs[NL80211_ATTR_TXQ_QUANTUM]) {
3440 if (!wiphy_ext_feature_isset(&rdev->wiphy,
3441 NL80211_EXT_FEATURE_TXQS)) {
3442 result = -EOPNOTSUPP;
3445 txq_quantum = nla_get_u32(
3446 info->attrs[NL80211_ATTR_TXQ_QUANTUM]);
3447 changed |= WIPHY_PARAM_TXQ_QUANTUM;
3451 u8 old_retry_short, old_retry_long;
3452 u32 old_frag_threshold, old_rts_threshold;
3453 u8 old_coverage_class;
3454 u32 old_txq_limit, old_txq_memory_limit, old_txq_quantum;
3456 if (!rdev->ops->set_wiphy_params) {
3457 result = -EOPNOTSUPP;
3461 old_retry_short = rdev->wiphy.retry_short;
3462 old_retry_long = rdev->wiphy.retry_long;
3463 old_frag_threshold = rdev->wiphy.frag_threshold;
3464 old_rts_threshold = rdev->wiphy.rts_threshold;
3465 old_coverage_class = rdev->wiphy.coverage_class;
3466 old_txq_limit = rdev->wiphy.txq_limit;
3467 old_txq_memory_limit = rdev->wiphy.txq_memory_limit;
3468 old_txq_quantum = rdev->wiphy.txq_quantum;
3470 if (changed & WIPHY_PARAM_RETRY_SHORT)
3471 rdev->wiphy.retry_short = retry_short;
3472 if (changed & WIPHY_PARAM_RETRY_LONG)
3473 rdev->wiphy.retry_long = retry_long;
3474 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
3475 rdev->wiphy.frag_threshold = frag_threshold;
3476 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
3477 rdev->wiphy.rts_threshold = rts_threshold;
3478 if (changed & WIPHY_PARAM_COVERAGE_CLASS)
3479 rdev->wiphy.coverage_class = coverage_class;
3480 if (changed & WIPHY_PARAM_TXQ_LIMIT)
3481 rdev->wiphy.txq_limit = txq_limit;
3482 if (changed & WIPHY_PARAM_TXQ_MEMORY_LIMIT)
3483 rdev->wiphy.txq_memory_limit = txq_memory_limit;
3484 if (changed & WIPHY_PARAM_TXQ_QUANTUM)
3485 rdev->wiphy.txq_quantum = txq_quantum;
3487 result = rdev_set_wiphy_params(rdev, changed);
3489 rdev->wiphy.retry_short = old_retry_short;
3490 rdev->wiphy.retry_long = old_retry_long;
3491 rdev->wiphy.frag_threshold = old_frag_threshold;
3492 rdev->wiphy.rts_threshold = old_rts_threshold;
3493 rdev->wiphy.coverage_class = old_coverage_class;
3494 rdev->wiphy.txq_limit = old_txq_limit;
3495 rdev->wiphy.txq_memory_limit = old_txq_memory_limit;
3496 rdev->wiphy.txq_quantum = old_txq_quantum;
3504 wiphy_unlock(&rdev->wiphy);
3508 static int nl80211_send_chandef(struct sk_buff *msg,
3509 const struct cfg80211_chan_def *chandef)
3511 if (WARN_ON(!cfg80211_chandef_valid(chandef)))
3514 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
3515 chandef->chan->center_freq))
3517 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_OFFSET,
3518 chandef->chan->freq_offset))
3520 switch (chandef->width) {
3521 case NL80211_CHAN_WIDTH_20_NOHT:
3522 case NL80211_CHAN_WIDTH_20:
3523 case NL80211_CHAN_WIDTH_40:
3524 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
3525 cfg80211_get_chandef_type(chandef)))
3531 if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, chandef->width))
3533 if (nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, chandef->center_freq1))
3535 if (chandef->center_freq2 &&
3536 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, chandef->center_freq2))
3541 static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags,
3542 struct cfg80211_registered_device *rdev,
3543 struct wireless_dev *wdev,
3544 enum nl80211_commands cmd)
3546 struct net_device *dev = wdev->netdev;
3549 WARN_ON(cmd != NL80211_CMD_NEW_INTERFACE &&
3550 cmd != NL80211_CMD_DEL_INTERFACE &&
3551 cmd != NL80211_CMD_SET_INTERFACE);
3553 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
3558 (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
3559 nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name)))
3560 goto nla_put_failure;
3562 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
3563 nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) ||
3564 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
3565 NL80211_ATTR_PAD) ||
3566 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) ||
3567 nla_put_u32(msg, NL80211_ATTR_GENERATION,
3568 rdev->devlist_generation ^
3569 (cfg80211_rdev_list_generation << 2)) ||
3570 nla_put_u8(msg, NL80211_ATTR_4ADDR, wdev->use_4addr))
3571 goto nla_put_failure;
3573 if (rdev->ops->get_channel) {
3575 struct cfg80211_chan_def chandef = {};
3577 ret = rdev_get_channel(rdev, wdev, &chandef);
3579 if (nl80211_send_chandef(msg, &chandef))
3580 goto nla_put_failure;
3584 if (rdev->ops->get_tx_power) {
3587 ret = rdev_get_tx_power(rdev, wdev, &dbm);
3589 nla_put_u32(msg, NL80211_ATTR_WIPHY_TX_POWER_LEVEL,
3591 goto nla_put_failure;
3595 switch (wdev->iftype) {
3596 case NL80211_IFTYPE_AP:
3597 if (wdev->ssid_len &&
3598 nla_put(msg, NL80211_ATTR_SSID, wdev->ssid_len, wdev->ssid))
3599 goto nla_put_failure_locked;
3601 case NL80211_IFTYPE_STATION:
3602 case NL80211_IFTYPE_P2P_CLIENT:
3603 case NL80211_IFTYPE_ADHOC: {
3605 if (!wdev->current_bss)
3608 ssid_ie = ieee80211_bss_get_ie(&wdev->current_bss->pub,
3611 nla_put(msg, NL80211_ATTR_SSID, ssid_ie[1], ssid_ie + 2))
3612 goto nla_put_failure_rcu_locked;
3622 if (rdev->ops->get_txq_stats) {
3623 struct cfg80211_txq_stats txqstats = {};
3624 int ret = rdev_get_txq_stats(rdev, wdev, &txqstats);
3627 !nl80211_put_txq_stats(msg, &txqstats,
3628 NL80211_ATTR_TXQ_STATS))
3629 goto nla_put_failure;
3632 genlmsg_end(msg, hdr);
3635 nla_put_failure_rcu_locked:
3637 nla_put_failure_locked:
3640 genlmsg_cancel(msg, hdr);
3644 static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb)
3648 int wp_start = cb->args[0];
3649 int if_start = cb->args[1];
3650 int filter_wiphy = -1;
3651 struct cfg80211_registered_device *rdev;
3652 struct wireless_dev *wdev;
3657 struct nl80211_dump_wiphy_state state = {
3661 ret = nl80211_dump_wiphy_parse(skb, cb, &state);
3665 filter_wiphy = state.filter_wiphy;
3668 * if filtering, set cb->args[2] to +1 since 0 is the default
3669 * value needed to determine that parsing is necessary.
3671 if (filter_wiphy >= 0)
3672 cb->args[2] = filter_wiphy + 1;
3675 } else if (cb->args[2] > 0) {
3676 filter_wiphy = cb->args[2] - 1;
3679 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
3680 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
3682 if (wp_idx < wp_start) {
3687 if (filter_wiphy >= 0 && filter_wiphy != rdev->wiphy_idx)
3692 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
3693 if (if_idx < if_start) {
3697 if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid,
3698 cb->nlh->nlmsg_seq, NLM_F_MULTI,
3700 NL80211_CMD_NEW_INTERFACE) < 0) {
3709 cb->args[0] = wp_idx;
3710 cb->args[1] = if_idx;
3719 static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info)
3721 struct sk_buff *msg;
3722 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3723 struct wireless_dev *wdev = info->user_ptr[1];
3725 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
3729 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
3730 rdev, wdev, NL80211_CMD_NEW_INTERFACE) < 0) {
3735 return genlmsg_reply(msg, info);
3738 static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = {
3739 [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG },
3740 [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG },
3741 [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG },
3742 [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG },
3743 [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG },
3744 [NL80211_MNTR_FLAG_ACTIVE] = { .type = NLA_FLAG },
3747 static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags)
3749 struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1];
3757 if (nla_parse_nested_deprecated(flags, NL80211_MNTR_FLAG_MAX, nla, mntr_flags_policy, NULL))
3760 for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++)
3762 *mntrflags |= (1<<flag);
3764 *mntrflags |= MONITOR_FLAG_CHANGED;
3769 static int nl80211_parse_mon_options(struct cfg80211_registered_device *rdev,
3770 enum nl80211_iftype type,
3771 struct genl_info *info,
3772 struct vif_params *params)
3774 bool change = false;
3777 if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) {
3778 if (type != NL80211_IFTYPE_MONITOR)
3781 err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS],
3789 if (params->flags & MONITOR_FLAG_ACTIVE &&
3790 !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR))
3793 if (info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]) {
3794 const u8 *mumimo_groups;
3795 u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER;
3797 if (type != NL80211_IFTYPE_MONITOR)
3800 if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag))
3804 nla_data(info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]);
3806 /* bits 0 and 63 are reserved and must be zero */
3807 if ((mumimo_groups[0] & BIT(0)) ||
3808 (mumimo_groups[VHT_MUMIMO_GROUPS_DATA_LEN - 1] & BIT(7)))
3811 params->vht_mumimo_groups = mumimo_groups;
3815 if (info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]) {
3816 u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER;
3818 if (type != NL80211_IFTYPE_MONITOR)
3821 if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag))
3824 params->vht_mumimo_follow_addr =
3825 nla_data(info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]);
3829 return change ? 1 : 0;
3832 static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev,
3833 struct net_device *netdev, u8 use_4addr,
3834 enum nl80211_iftype iftype)
3837 if (netdev && netif_is_bridge_port(netdev))
3843 case NL80211_IFTYPE_AP_VLAN:
3844 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP)
3847 case NL80211_IFTYPE_STATION:
3848 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION)
3858 static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
3860 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3861 struct vif_params params;
3863 enum nl80211_iftype otype, ntype;
3864 struct net_device *dev = info->user_ptr[1];
3865 bool change = false;
3867 memset(¶ms, 0, sizeof(params));
3869 otype = ntype = dev->ieee80211_ptr->iftype;
3871 if (info->attrs[NL80211_ATTR_IFTYPE]) {
3872 ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
3877 if (info->attrs[NL80211_ATTR_MESH_ID]) {
3878 struct wireless_dev *wdev = dev->ieee80211_ptr;
3880 if (ntype != NL80211_IFTYPE_MESH_POINT)
3882 if (netif_running(dev))
3886 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
3887 IEEE80211_MAX_MESH_ID_LEN);
3888 wdev->mesh_id_up_len =
3889 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
3890 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
3891 wdev->mesh_id_up_len);
3895 if (info->attrs[NL80211_ATTR_4ADDR]) {
3896 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
3898 err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype);
3902 params.use_4addr = -1;
3905 err = nl80211_parse_mon_options(rdev, ntype, info, ¶ms);
3912 err = cfg80211_change_iface(rdev, dev, ntype, ¶ms);
3916 if (!err && params.use_4addr != -1)
3917 dev->ieee80211_ptr->use_4addr = params.use_4addr;
3919 if (change && !err) {
3920 struct wireless_dev *wdev = dev->ieee80211_ptr;
3922 nl80211_notify_iface(rdev, wdev, NL80211_CMD_SET_INTERFACE);
3928 static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
3930 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3931 struct vif_params params;
3932 struct wireless_dev *wdev;
3933 struct sk_buff *msg;
3935 enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED;
3937 /* to avoid failing a new interface creation due to pending removal */
3938 cfg80211_destroy_ifaces(rdev);
3940 memset(¶ms, 0, sizeof(params));
3942 if (!info->attrs[NL80211_ATTR_IFNAME])
3945 if (info->attrs[NL80211_ATTR_IFTYPE])
3946 type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
3948 if (!rdev->ops->add_virtual_intf)
3951 if ((type == NL80211_IFTYPE_P2P_DEVICE || type == NL80211_IFTYPE_NAN ||
3952 rdev->wiphy.features & NL80211_FEATURE_MAC_ON_CREATE) &&
3953 info->attrs[NL80211_ATTR_MAC]) {
3954 nla_memcpy(params.macaddr, info->attrs[NL80211_ATTR_MAC],
3956 if (!is_valid_ether_addr(params.macaddr))
3957 return -EADDRNOTAVAIL;
3960 if (info->attrs[NL80211_ATTR_4ADDR]) {
3961 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
3962 err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type);
3967 if (!cfg80211_iftype_allowed(&rdev->wiphy, type, params.use_4addr, 0))
3970 err = nl80211_parse_mon_options(rdev, type, info, ¶ms);
3974 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
3978 wdev = rdev_add_virtual_intf(rdev,
3979 nla_data(info->attrs[NL80211_ATTR_IFNAME]),
3980 NET_NAME_USER, type, ¶ms);
3981 if (WARN_ON(!wdev)) {
3984 } else if (IS_ERR(wdev)) {
3986 return PTR_ERR(wdev);
3989 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
3990 wdev->owner_nlportid = info->snd_portid;
3993 case NL80211_IFTYPE_MESH_POINT:
3994 if (!info->attrs[NL80211_ATTR_MESH_ID])
3997 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
3998 IEEE80211_MAX_MESH_ID_LEN);
3999 wdev->mesh_id_up_len =
4000 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
4001 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
4002 wdev->mesh_id_up_len);
4005 case NL80211_IFTYPE_NAN:
4006 case NL80211_IFTYPE_P2P_DEVICE:
4008 * P2P Device and NAN do not have a netdev, so don't go
4009 * through the netdev notifier and must be added here
4011 cfg80211_init_wdev(wdev);
4012 cfg80211_register_wdev(rdev, wdev);
4018 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
4019 rdev, wdev, NL80211_CMD_NEW_INTERFACE) < 0) {
4024 return genlmsg_reply(msg, info);
4027 static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info)
4029 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4030 struct wireless_dev *wdev = info->user_ptr[1];
4032 if (!rdev->ops->del_virtual_intf)
4036 * We hold RTNL, so this is safe, without RTNL opencount cannot
4037 * reach 0, and thus the rdev cannot be deleted.
4039 * We need to do it for the dev_close(), since that will call
4040 * the netdev notifiers, and we need to acquire the mutex there
4041 * but don't know if we get there from here or from some other
4042 * place (e.g. "ip link set ... down").
4044 mutex_unlock(&rdev->wiphy.mtx);
4047 * If we remove a wireless device without a netdev then clear
4048 * user_ptr[1] so that nl80211_post_doit won't dereference it
4049 * to check if it needs to do dev_put(). Otherwise it crashes
4050 * since the wdev has been freed, unlike with a netdev where
4051 * we need the dev_put() for the netdev to really be freed.
4054 info->user_ptr[1] = NULL;
4056 dev_close(wdev->netdev);
4058 mutex_lock(&rdev->wiphy.mtx);
4060 return rdev_del_virtual_intf(rdev, wdev);
4063 static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info)
4065 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4066 struct net_device *dev = info->user_ptr[1];
4069 if (!info->attrs[NL80211_ATTR_NOACK_MAP])
4072 if (!rdev->ops->set_noack_map)
4075 noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]);
4077 return rdev_set_noack_map(rdev, dev, noack_map);
4080 struct get_key_cookie {
4081 struct sk_buff *msg;
4086 static void get_key_callback(void *c, struct key_params *params)
4089 struct get_key_cookie *cookie = c;
4092 nla_put(cookie->msg, NL80211_ATTR_KEY_DATA,
4093 params->key_len, params->key)) ||
4095 nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ,
4096 params->seq_len, params->seq)) ||
4098 nla_put_u32(cookie->msg, NL80211_ATTR_KEY_CIPHER,
4100 goto nla_put_failure;
4102 key = nla_nest_start_noflag(cookie->msg, NL80211_ATTR_KEY);
4104 goto nla_put_failure;
4107 nla_put(cookie->msg, NL80211_KEY_DATA,
4108 params->key_len, params->key)) ||
4110 nla_put(cookie->msg, NL80211_KEY_SEQ,
4111 params->seq_len, params->seq)) ||
4113 nla_put_u32(cookie->msg, NL80211_KEY_CIPHER,
4115 goto nla_put_failure;
4117 if (nla_put_u8(cookie->msg, NL80211_KEY_IDX, cookie->idx))
4118 goto nla_put_failure;
4120 nla_nest_end(cookie->msg, key);
4127 static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info)
4129 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4131 struct net_device *dev = info->user_ptr[1];
4133 const u8 *mac_addr = NULL;
4135 struct get_key_cookie cookie = {
4139 struct sk_buff *msg;
4140 bool bigtk_support = false;
4142 if (wiphy_ext_feature_isset(&rdev->wiphy,
4143 NL80211_EXT_FEATURE_BEACON_PROTECTION))
4144 bigtk_support = true;
4146 if ((dev->ieee80211_ptr->iftype == NL80211_IFTYPE_STATION ||
4147 dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_CLIENT) &&
4148 wiphy_ext_feature_isset(&rdev->wiphy,
4149 NL80211_EXT_FEATURE_BEACON_PROTECTION_CLIENT))
4150 bigtk_support = true;
4152 if (info->attrs[NL80211_ATTR_KEY_IDX]) {
4153 key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
4155 if (key_idx >= 6 && key_idx <= 7 && !bigtk_support) {
4156 GENL_SET_ERR_MSG(info, "BIGTK not supported");
4161 if (info->attrs[NL80211_ATTR_MAC])
4162 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4164 pairwise = !!mac_addr;
4165 if (info->attrs[NL80211_ATTR_KEY_TYPE]) {
4166 u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
4168 if (kt != NL80211_KEYTYPE_GROUP &&
4169 kt != NL80211_KEYTYPE_PAIRWISE)
4171 pairwise = kt == NL80211_KEYTYPE_PAIRWISE;
4174 if (!rdev->ops->get_key)
4177 if (!pairwise && mac_addr && !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
4180 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4184 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
4185 NL80211_CMD_NEW_KEY);
4187 goto nla_put_failure;
4190 cookie.idx = key_idx;
4192 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
4193 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx))
4194 goto nla_put_failure;
4196 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr))
4197 goto nla_put_failure;
4199 err = rdev_get_key(rdev, dev, key_idx, pairwise, mac_addr, &cookie,
4206 goto nla_put_failure;
4208 genlmsg_end(msg, hdr);
4209 return genlmsg_reply(msg, info);
4218 static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info)
4220 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4221 struct key_parse key;
4223 struct net_device *dev = info->user_ptr[1];
4225 err = nl80211_parse_key(info, &key);
4232 /* Only support setting default key and
4233 * Extended Key ID action NL80211_KEY_SET_TX.
4235 if (!key.def && !key.defmgmt && !key.defbeacon &&
4236 !(key.p.mode == NL80211_KEY_SET_TX))
4239 wdev_lock(dev->ieee80211_ptr);
4242 if (!rdev->ops->set_default_key) {
4247 err = nl80211_key_allowed(dev->ieee80211_ptr);
4251 err = rdev_set_default_key(rdev, dev, key.idx,
4252 key.def_uni, key.def_multi);
4257 #ifdef CONFIG_CFG80211_WEXT
4258 dev->ieee80211_ptr->wext.default_key = key.idx;
4260 } else if (key.defmgmt) {
4261 if (key.def_uni || !key.def_multi) {
4266 if (!rdev->ops->set_default_mgmt_key) {
4271 err = nl80211_key_allowed(dev->ieee80211_ptr);
4275 err = rdev_set_default_mgmt_key(rdev, dev, key.idx);
4279 #ifdef CONFIG_CFG80211_WEXT
4280 dev->ieee80211_ptr->wext.default_mgmt_key = key.idx;
4282 } else if (key.defbeacon) {
4283 if (key.def_uni || !key.def_multi) {
4288 if (!rdev->ops->set_default_beacon_key) {
4293 err = nl80211_key_allowed(dev->ieee80211_ptr);
4297 err = rdev_set_default_beacon_key(rdev, dev, key.idx);
4300 } else if (key.p.mode == NL80211_KEY_SET_TX &&
4301 wiphy_ext_feature_isset(&rdev->wiphy,
4302 NL80211_EXT_FEATURE_EXT_KEY_ID)) {
4303 u8 *mac_addr = NULL;
4305 if (info->attrs[NL80211_ATTR_MAC])
4306 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4308 if (!mac_addr || key.idx < 0 || key.idx > 1) {
4313 err = rdev_add_key(rdev, dev, key.idx,
4314 NL80211_KEYTYPE_PAIRWISE,
4320 wdev_unlock(dev->ieee80211_ptr);
4325 static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info)
4327 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4329 struct net_device *dev = info->user_ptr[1];
4330 struct key_parse key;
4331 const u8 *mac_addr = NULL;
4333 err = nl80211_parse_key(info, &key);
4338 GENL_SET_ERR_MSG(info, "no key");
4342 if (info->attrs[NL80211_ATTR_MAC])
4343 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4345 if (key.type == -1) {
4347 key.type = NL80211_KEYTYPE_PAIRWISE;
4349 key.type = NL80211_KEYTYPE_GROUP;
4353 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
4354 key.type != NL80211_KEYTYPE_GROUP) {
4355 GENL_SET_ERR_MSG(info, "key type not pairwise or group");
4359 if (key.type == NL80211_KEYTYPE_GROUP &&
4360 info->attrs[NL80211_ATTR_VLAN_ID])
4361 key.p.vlan_id = nla_get_u16(info->attrs[NL80211_ATTR_VLAN_ID]);
4363 if (!rdev->ops->add_key)
4366 if (cfg80211_validate_key_settings(rdev, &key.p, key.idx,
4367 key.type == NL80211_KEYTYPE_PAIRWISE,
4369 GENL_SET_ERR_MSG(info, "key setting validation failed");
4373 wdev_lock(dev->ieee80211_ptr);
4374 err = nl80211_key_allowed(dev->ieee80211_ptr);
4376 GENL_SET_ERR_MSG(info, "key not allowed");
4378 err = rdev_add_key(rdev, dev, key.idx,
4379 key.type == NL80211_KEYTYPE_PAIRWISE,
4382 GENL_SET_ERR_MSG(info, "key addition failed");
4384 wdev_unlock(dev->ieee80211_ptr);
4389 static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
4391 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4393 struct net_device *dev = info->user_ptr[1];
4394 u8 *mac_addr = NULL;
4395 struct key_parse key;
4397 err = nl80211_parse_key(info, &key);
4401 if (info->attrs[NL80211_ATTR_MAC])
4402 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4404 if (key.type == -1) {
4406 key.type = NL80211_KEYTYPE_PAIRWISE;
4408 key.type = NL80211_KEYTYPE_GROUP;
4412 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
4413 key.type != NL80211_KEYTYPE_GROUP)
4416 if (!cfg80211_valid_key_idx(rdev, key.idx,
4417 key.type == NL80211_KEYTYPE_PAIRWISE))
4420 if (!rdev->ops->del_key)
4423 wdev_lock(dev->ieee80211_ptr);
4424 err = nl80211_key_allowed(dev->ieee80211_ptr);
4426 if (key.type == NL80211_KEYTYPE_GROUP && mac_addr &&
4427 !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
4431 err = rdev_del_key(rdev, dev, key.idx,
4432 key.type == NL80211_KEYTYPE_PAIRWISE,
4435 #ifdef CONFIG_CFG80211_WEXT
4437 if (key.idx == dev->ieee80211_ptr->wext.default_key)
4438 dev->ieee80211_ptr->wext.default_key = -1;
4439 else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key)
4440 dev->ieee80211_ptr->wext.default_mgmt_key = -1;
4443 wdev_unlock(dev->ieee80211_ptr);
4448 /* This function returns an error or the number of nested attributes */
4449 static int validate_acl_mac_addrs(struct nlattr *nl_attr)
4451 struct nlattr *attr;
4452 int n_entries = 0, tmp;
4454 nla_for_each_nested(attr, nl_attr, tmp) {
4455 if (nla_len(attr) != ETH_ALEN)
4465 * This function parses ACL information and allocates memory for ACL data.
4466 * On successful return, the calling function is responsible to free the
4467 * ACL buffer returned by this function.
4469 static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy,
4470 struct genl_info *info)
4472 enum nl80211_acl_policy acl_policy;
4473 struct nlattr *attr;
4474 struct cfg80211_acl_data *acl;
4475 int i = 0, n_entries, tmp;
4477 if (!wiphy->max_acl_mac_addrs)
4478 return ERR_PTR(-EOPNOTSUPP);
4480 if (!info->attrs[NL80211_ATTR_ACL_POLICY])
4481 return ERR_PTR(-EINVAL);
4483 acl_policy = nla_get_u32(info->attrs[NL80211_ATTR_ACL_POLICY]);
4484 if (acl_policy != NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED &&
4485 acl_policy != NL80211_ACL_POLICY_DENY_UNLESS_LISTED)
4486 return ERR_PTR(-EINVAL);
4488 if (!info->attrs[NL80211_ATTR_MAC_ADDRS])
4489 return ERR_PTR(-EINVAL);
4491 n_entries = validate_acl_mac_addrs(info->attrs[NL80211_ATTR_MAC_ADDRS]);
4493 return ERR_PTR(n_entries);
4495 if (n_entries > wiphy->max_acl_mac_addrs)
4496 return ERR_PTR(-ENOTSUPP);
4498 acl = kzalloc(struct_size(acl, mac_addrs, n_entries), GFP_KERNEL);
4500 return ERR_PTR(-ENOMEM);
4502 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_MAC_ADDRS], tmp) {
4503 memcpy(acl->mac_addrs[i].addr, nla_data(attr), ETH_ALEN);
4507 acl->n_acl_entries = n_entries;
4508 acl->acl_policy = acl_policy;
4513 static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info)
4515 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4516 struct net_device *dev = info->user_ptr[1];
4517 struct cfg80211_acl_data *acl;
4520 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4521 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4524 if (!dev->ieee80211_ptr->beacon_interval)
4527 acl = parse_acl_data(&rdev->wiphy, info);
4529 return PTR_ERR(acl);
4531 err = rdev_set_mac_acl(rdev, dev, acl);
4538 static u32 rateset_to_mask(struct ieee80211_supported_band *sband,
4539 u8 *rates, u8 rates_len)
4544 for (i = 0; i < rates_len; i++) {
4545 int rate = (rates[i] & 0x7f) * 5;
4548 for (ridx = 0; ridx < sband->n_bitrates; ridx++) {
4549 struct ieee80211_rate *srate =
4550 &sband->bitrates[ridx];
4551 if (rate == srate->bitrate) {
4556 if (ridx == sband->n_bitrates)
4557 return 0; /* rate not found */
4563 static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband,
4564 u8 *rates, u8 rates_len,
4565 u8 mcs[IEEE80211_HT_MCS_MASK_LEN])
4569 memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN);
4571 for (i = 0; i < rates_len; i++) {
4574 ridx = rates[i] / 8;
4575 rbit = BIT(rates[i] % 8);
4577 /* check validity */
4578 if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN))
4581 /* check availability */
4582 ridx = array_index_nospec(ridx, IEEE80211_HT_MCS_MASK_LEN);
4583 if (sband->ht_cap.mcs.rx_mask[ridx] & rbit)
4592 static u16 vht_mcs_map_to_mcs_mask(u8 vht_mcs_map)
4596 switch (vht_mcs_map) {
4597 case IEEE80211_VHT_MCS_NOT_SUPPORTED:
4599 case IEEE80211_VHT_MCS_SUPPORT_0_7:
4602 case IEEE80211_VHT_MCS_SUPPORT_0_8:
4605 case IEEE80211_VHT_MCS_SUPPORT_0_9:
4615 static void vht_build_mcs_mask(u16 vht_mcs_map,
4616 u16 vht_mcs_mask[NL80211_VHT_NSS_MAX])
4620 for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) {
4621 vht_mcs_mask[nss] = vht_mcs_map_to_mcs_mask(vht_mcs_map & 0x03);
4626 static bool vht_set_mcs_mask(struct ieee80211_supported_band *sband,
4627 struct nl80211_txrate_vht *txrate,
4628 u16 mcs[NL80211_VHT_NSS_MAX])
4630 u16 tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
4631 u16 tx_mcs_mask[NL80211_VHT_NSS_MAX] = {};
4634 if (!sband->vht_cap.vht_supported)
4637 memset(mcs, 0, sizeof(u16) * NL80211_VHT_NSS_MAX);
4639 /* Build vht_mcs_mask from VHT capabilities */
4640 vht_build_mcs_mask(tx_mcs_map, tx_mcs_mask);
4642 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
4643 if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i])
4644 mcs[i] = txrate->mcs[i];
4652 static u16 he_mcs_map_to_mcs_mask(u8 he_mcs_map)
4654 switch (he_mcs_map) {
4655 case IEEE80211_HE_MCS_NOT_SUPPORTED:
4657 case IEEE80211_HE_MCS_SUPPORT_0_7:
4659 case IEEE80211_HE_MCS_SUPPORT_0_9:
4661 case IEEE80211_HE_MCS_SUPPORT_0_11:
4669 static void he_build_mcs_mask(u16 he_mcs_map,
4670 u16 he_mcs_mask[NL80211_HE_NSS_MAX])
4674 for (nss = 0; nss < NL80211_HE_NSS_MAX; nss++) {
4675 he_mcs_mask[nss] = he_mcs_map_to_mcs_mask(he_mcs_map & 0x03);
4680 static u16 he_get_txmcsmap(struct genl_info *info,
4681 const struct ieee80211_sta_he_cap *he_cap)
4683 struct net_device *dev = info->user_ptr[1];
4684 struct wireless_dev *wdev = dev->ieee80211_ptr;
4687 switch (wdev->chandef.width) {
4688 case NL80211_CHAN_WIDTH_80P80:
4689 tx_mcs = he_cap->he_mcs_nss_supp.tx_mcs_80p80;
4691 case NL80211_CHAN_WIDTH_160:
4692 tx_mcs = he_cap->he_mcs_nss_supp.tx_mcs_160;
4695 tx_mcs = he_cap->he_mcs_nss_supp.tx_mcs_80;
4698 return le16_to_cpu(tx_mcs);
4701 static bool he_set_mcs_mask(struct genl_info *info,
4702 struct wireless_dev *wdev,
4703 struct ieee80211_supported_band *sband,
4704 struct nl80211_txrate_he *txrate,
4705 u16 mcs[NL80211_HE_NSS_MAX])
4707 const struct ieee80211_sta_he_cap *he_cap;
4708 u16 tx_mcs_mask[NL80211_HE_NSS_MAX] = {};
4712 he_cap = ieee80211_get_he_iftype_cap(sband, wdev->iftype);
4716 memset(mcs, 0, sizeof(u16) * NL80211_HE_NSS_MAX);
4718 tx_mcs_map = he_get_txmcsmap(info, he_cap);
4720 /* Build he_mcs_mask from HE capabilities */
4721 he_build_mcs_mask(tx_mcs_map, tx_mcs_mask);
4723 for (i = 0; i < NL80211_HE_NSS_MAX; i++) {
4724 if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i])
4725 mcs[i] = txrate->mcs[i];
4733 static int nl80211_parse_tx_bitrate_mask(struct genl_info *info,
4734 struct nlattr *attrs[],
4735 enum nl80211_attrs attr,
4736 struct cfg80211_bitrate_mask *mask,
4737 struct net_device *dev,
4738 bool default_all_enabled)
4740 struct nlattr *tb[NL80211_TXRATE_MAX + 1];
4741 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4742 struct wireless_dev *wdev = dev->ieee80211_ptr;
4744 struct nlattr *tx_rates;
4745 struct ieee80211_supported_band *sband;
4746 u16 vht_tx_mcs_map, he_tx_mcs_map;
4748 memset(mask, 0, sizeof(*mask));
4749 /* Default to all rates enabled */
4750 for (i = 0; i < NUM_NL80211_BANDS; i++) {
4751 const struct ieee80211_sta_he_cap *he_cap;
4753 if (!default_all_enabled)
4756 sband = rdev->wiphy.bands[i];
4761 mask->control[i].legacy = (1 << sband->n_bitrates) - 1;
4762 memcpy(mask->control[i].ht_mcs,
4763 sband->ht_cap.mcs.rx_mask,
4764 sizeof(mask->control[i].ht_mcs));
4766 if (!sband->vht_cap.vht_supported)
4769 vht_tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
4770 vht_build_mcs_mask(vht_tx_mcs_map, mask->control[i].vht_mcs);
4772 he_cap = ieee80211_get_he_iftype_cap(sband, wdev->iftype);
4776 he_tx_mcs_map = he_get_txmcsmap(info, he_cap);
4777 he_build_mcs_mask(he_tx_mcs_map, mask->control[i].he_mcs);
4779 mask->control[i].he_gi = 0xFF;
4780 mask->control[i].he_ltf = 0xFF;
4783 /* if no rates are given set it back to the defaults */
4787 /* The nested attribute uses enum nl80211_band as the index. This maps
4788 * directly to the enum nl80211_band values used in cfg80211.
4790 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8);
4791 nla_for_each_nested(tx_rates, attrs[attr], rem) {
4792 enum nl80211_band band = nla_type(tx_rates);
4795 if (band < 0 || band >= NUM_NL80211_BANDS)
4797 sband = rdev->wiphy.bands[band];
4800 err = nla_parse_nested_deprecated(tb, NL80211_TXRATE_MAX,
4802 nl80211_txattr_policy,
4806 if (tb[NL80211_TXRATE_LEGACY]) {
4807 mask->control[band].legacy = rateset_to_mask(
4809 nla_data(tb[NL80211_TXRATE_LEGACY]),
4810 nla_len(tb[NL80211_TXRATE_LEGACY]));
4811 if ((mask->control[band].legacy == 0) &&
4812 nla_len(tb[NL80211_TXRATE_LEGACY]))
4815 if (tb[NL80211_TXRATE_HT]) {
4816 if (!ht_rateset_to_mask(
4818 nla_data(tb[NL80211_TXRATE_HT]),
4819 nla_len(tb[NL80211_TXRATE_HT]),
4820 mask->control[band].ht_mcs))
4824 if (tb[NL80211_TXRATE_VHT]) {
4825 if (!vht_set_mcs_mask(
4827 nla_data(tb[NL80211_TXRATE_VHT]),
4828 mask->control[band].vht_mcs))
4832 if (tb[NL80211_TXRATE_GI]) {
4833 mask->control[band].gi =
4834 nla_get_u8(tb[NL80211_TXRATE_GI]);
4835 if (mask->control[band].gi > NL80211_TXRATE_FORCE_LGI)
4838 if (tb[NL80211_TXRATE_HE] &&
4839 !he_set_mcs_mask(info, wdev, sband,
4840 nla_data(tb[NL80211_TXRATE_HE]),
4841 mask->control[band].he_mcs))
4844 if (tb[NL80211_TXRATE_HE_GI])
4845 mask->control[band].he_gi =
4846 nla_get_u8(tb[NL80211_TXRATE_HE_GI]);
4847 if (tb[NL80211_TXRATE_HE_LTF])
4848 mask->control[band].he_ltf =
4849 nla_get_u8(tb[NL80211_TXRATE_HE_LTF]);
4851 if (mask->control[band].legacy == 0) {
4852 /* don't allow empty legacy rates if HT, VHT or HE
4853 * are not even supported.
4855 if (!(rdev->wiphy.bands[band]->ht_cap.ht_supported ||
4856 rdev->wiphy.bands[band]->vht_cap.vht_supported ||
4857 ieee80211_get_he_iftype_cap(sband, wdev->iftype)))
4860 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
4861 if (mask->control[band].ht_mcs[i])
4864 for (i = 0; i < NL80211_VHT_NSS_MAX; i++)
4865 if (mask->control[band].vht_mcs[i])
4868 for (i = 0; i < NL80211_HE_NSS_MAX; i++)
4869 if (mask->control[band].he_mcs[i])
4872 /* legacy and mcs rates may not be both empty */
4881 static int validate_beacon_tx_rate(struct cfg80211_registered_device *rdev,
4882 enum nl80211_band band,
4883 struct cfg80211_bitrate_mask *beacon_rate)
4885 u32 count_ht, count_vht, count_he, i;
4886 u32 rate = beacon_rate->control[band].legacy;
4888 /* Allow only one rate */
4889 if (hweight32(rate) > 1)
4893 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) {
4894 if (hweight8(beacon_rate->control[band].ht_mcs[i]) > 1) {
4896 } else if (beacon_rate->control[band].ht_mcs[i]) {
4901 if (count_ht && rate)
4906 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
4907 if (hweight16(beacon_rate->control[band].vht_mcs[i]) > 1) {
4909 } else if (beacon_rate->control[band].vht_mcs[i]) {
4914 if (count_vht && rate)
4919 for (i = 0; i < NL80211_HE_NSS_MAX; i++) {
4920 if (hweight16(beacon_rate->control[band].he_mcs[i]) > 1) {
4922 } else if (beacon_rate->control[band].he_mcs[i]) {
4927 if (count_he && rate)
4931 if ((count_ht && count_vht && count_he) ||
4932 (!rate && !count_ht && !count_vht && !count_he))
4936 !wiphy_ext_feature_isset(&rdev->wiphy,
4937 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY))
4940 !wiphy_ext_feature_isset(&rdev->wiphy,
4941 NL80211_EXT_FEATURE_BEACON_RATE_HT))
4944 !wiphy_ext_feature_isset(&rdev->wiphy,
4945 NL80211_EXT_FEATURE_BEACON_RATE_VHT))
4948 !wiphy_ext_feature_isset(&rdev->wiphy,
4949 NL80211_EXT_FEATURE_BEACON_RATE_HE))
4955 static int nl80211_parse_beacon(struct cfg80211_registered_device *rdev,
4956 struct nlattr *attrs[],
4957 struct cfg80211_beacon_data *bcn)
4959 bool haveinfo = false;
4962 memset(bcn, 0, sizeof(*bcn));
4964 if (attrs[NL80211_ATTR_BEACON_HEAD]) {
4965 bcn->head = nla_data(attrs[NL80211_ATTR_BEACON_HEAD]);
4966 bcn->head_len = nla_len(attrs[NL80211_ATTR_BEACON_HEAD]);
4972 if (attrs[NL80211_ATTR_BEACON_TAIL]) {
4973 bcn->tail = nla_data(attrs[NL80211_ATTR_BEACON_TAIL]);
4974 bcn->tail_len = nla_len(attrs[NL80211_ATTR_BEACON_TAIL]);
4981 if (attrs[NL80211_ATTR_IE]) {
4982 bcn->beacon_ies = nla_data(attrs[NL80211_ATTR_IE]);
4983 bcn->beacon_ies_len = nla_len(attrs[NL80211_ATTR_IE]);
4986 if (attrs[NL80211_ATTR_IE_PROBE_RESP]) {
4987 bcn->proberesp_ies =
4988 nla_data(attrs[NL80211_ATTR_IE_PROBE_RESP]);
4989 bcn->proberesp_ies_len =
4990 nla_len(attrs[NL80211_ATTR_IE_PROBE_RESP]);
4993 if (attrs[NL80211_ATTR_IE_ASSOC_RESP]) {
4994 bcn->assocresp_ies =
4995 nla_data(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
4996 bcn->assocresp_ies_len =
4997 nla_len(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
5000 if (attrs[NL80211_ATTR_PROBE_RESP]) {
5001 bcn->probe_resp = nla_data(attrs[NL80211_ATTR_PROBE_RESP]);
5002 bcn->probe_resp_len = nla_len(attrs[NL80211_ATTR_PROBE_RESP]);
5005 if (attrs[NL80211_ATTR_FTM_RESPONDER]) {
5006 struct nlattr *tb[NL80211_FTM_RESP_ATTR_MAX + 1];
5008 err = nla_parse_nested_deprecated(tb,
5009 NL80211_FTM_RESP_ATTR_MAX,
5010 attrs[NL80211_ATTR_FTM_RESPONDER],
5015 if (tb[NL80211_FTM_RESP_ATTR_ENABLED] &&
5016 wiphy_ext_feature_isset(&rdev->wiphy,
5017 NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER))
5018 bcn->ftm_responder = 1;
5022 if (tb[NL80211_FTM_RESP_ATTR_LCI]) {
5023 bcn->lci = nla_data(tb[NL80211_FTM_RESP_ATTR_LCI]);
5024 bcn->lci_len = nla_len(tb[NL80211_FTM_RESP_ATTR_LCI]);
5027 if (tb[NL80211_FTM_RESP_ATTR_CIVICLOC]) {
5028 bcn->civicloc = nla_data(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]);
5029 bcn->civicloc_len = nla_len(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]);
5032 bcn->ftm_responder = -1;
5038 static int nl80211_parse_he_obss_pd(struct nlattr *attrs,
5039 struct ieee80211_he_obss_pd *he_obss_pd)
5041 struct nlattr *tb[NL80211_HE_OBSS_PD_ATTR_MAX + 1];
5044 err = nla_parse_nested(tb, NL80211_HE_OBSS_PD_ATTR_MAX, attrs,
5045 he_obss_pd_policy, NULL);
5049 if (!tb[NL80211_HE_OBSS_PD_ATTR_SR_CTRL])
5052 he_obss_pd->sr_ctrl = nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_SR_CTRL]);
5054 if (tb[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET])
5055 he_obss_pd->min_offset =
5056 nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET]);
5057 if (tb[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET])
5058 he_obss_pd->max_offset =
5059 nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET]);
5060 if (tb[NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET])
5061 he_obss_pd->non_srg_max_offset =
5062 nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET]);
5064 if (he_obss_pd->min_offset > he_obss_pd->max_offset)
5067 if (tb[NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP])
5068 memcpy(he_obss_pd->bss_color_bitmap,
5069 nla_data(tb[NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP]),
5070 sizeof(he_obss_pd->bss_color_bitmap));
5072 if (tb[NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP])
5073 memcpy(he_obss_pd->partial_bssid_bitmap,
5074 nla_data(tb[NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP]),
5075 sizeof(he_obss_pd->partial_bssid_bitmap));
5077 he_obss_pd->enable = true;
5082 static int nl80211_parse_he_bss_color(struct nlattr *attrs,
5083 struct cfg80211_he_bss_color *he_bss_color)
5085 struct nlattr *tb[NL80211_HE_BSS_COLOR_ATTR_MAX + 1];
5088 err = nla_parse_nested(tb, NL80211_HE_BSS_COLOR_ATTR_MAX, attrs,
5089 he_bss_color_policy, NULL);
5093 if (!tb[NL80211_HE_BSS_COLOR_ATTR_COLOR])
5096 he_bss_color->color =
5097 nla_get_u8(tb[NL80211_HE_BSS_COLOR_ATTR_COLOR]);
5098 he_bss_color->enabled =
5099 !nla_get_flag(tb[NL80211_HE_BSS_COLOR_ATTR_DISABLED]);
5100 he_bss_color->partial =
5101 nla_get_flag(tb[NL80211_HE_BSS_COLOR_ATTR_PARTIAL]);
5106 static int nl80211_parse_fils_discovery(struct cfg80211_registered_device *rdev,
5107 struct nlattr *attrs,
5108 struct cfg80211_ap_settings *params)
5110 struct nlattr *tb[NL80211_FILS_DISCOVERY_ATTR_MAX + 1];
5112 struct cfg80211_fils_discovery *fd = ¶ms->fils_discovery;
5114 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5115 NL80211_EXT_FEATURE_FILS_DISCOVERY))
5118 ret = nla_parse_nested(tb, NL80211_FILS_DISCOVERY_ATTR_MAX, attrs,
5123 if (!tb[NL80211_FILS_DISCOVERY_ATTR_INT_MIN] ||
5124 !tb[NL80211_FILS_DISCOVERY_ATTR_INT_MAX] ||
5125 !tb[NL80211_FILS_DISCOVERY_ATTR_TMPL])
5128 fd->tmpl_len = nla_len(tb[NL80211_FILS_DISCOVERY_ATTR_TMPL]);
5129 fd->tmpl = nla_data(tb[NL80211_FILS_DISCOVERY_ATTR_TMPL]);
5130 fd->min_interval = nla_get_u32(tb[NL80211_FILS_DISCOVERY_ATTR_INT_MIN]);
5131 fd->max_interval = nla_get_u32(tb[NL80211_FILS_DISCOVERY_ATTR_INT_MAX]);
5137 nl80211_parse_unsol_bcast_probe_resp(struct cfg80211_registered_device *rdev,
5138 struct nlattr *attrs,
5139 struct cfg80211_ap_settings *params)
5141 struct nlattr *tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_MAX + 1];
5143 struct cfg80211_unsol_bcast_probe_resp *presp =
5144 ¶ms->unsol_bcast_probe_resp;
5146 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5147 NL80211_EXT_FEATURE_UNSOL_BCAST_PROBE_RESP))
5150 ret = nla_parse_nested(tb, NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_MAX,
5155 if (!tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT] ||
5156 !tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL])
5159 presp->tmpl = nla_data(tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL]);
5160 presp->tmpl_len = nla_len(tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL]);
5161 presp->interval = nla_get_u32(tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT]);
5165 static void nl80211_check_ap_rate_selectors(struct cfg80211_ap_settings *params,
5173 for (i = 0; i < rates[1]; i++) {
5174 if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_HT_PHY)
5175 params->ht_required = true;
5176 if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_VHT_PHY)
5177 params->vht_required = true;
5178 if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_HE_PHY)
5179 params->he_required = true;
5180 if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_SAE_H2E)
5181 params->sae_h2e_required = true;
5186 * Since the nl80211 API didn't include, from the beginning, attributes about
5187 * HT/VHT requirements/capabilities, we parse them out of the IEs for the
5188 * benefit of drivers that rebuild IEs in the firmware.
5190 static void nl80211_calculate_ap_params(struct cfg80211_ap_settings *params)
5192 const struct cfg80211_beacon_data *bcn = ¶ms->beacon;
5193 size_t ies_len = bcn->tail_len;
5194 const u8 *ies = bcn->tail;
5198 rates = cfg80211_find_ie(WLAN_EID_SUPP_RATES, ies, ies_len);
5199 nl80211_check_ap_rate_selectors(params, rates);
5201 rates = cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES, ies, ies_len);
5202 nl80211_check_ap_rate_selectors(params, rates);
5204 cap = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, ies, ies_len);
5205 if (cap && cap[1] >= sizeof(*params->ht_cap))
5206 params->ht_cap = (void *)(cap + 2);
5207 cap = cfg80211_find_ie(WLAN_EID_VHT_CAPABILITY, ies, ies_len);
5208 if (cap && cap[1] >= sizeof(*params->vht_cap))
5209 params->vht_cap = (void *)(cap + 2);
5210 cap = cfg80211_find_ext_ie(WLAN_EID_EXT_HE_CAPABILITY, ies, ies_len);
5211 if (cap && cap[1] >= sizeof(*params->he_cap) + 1)
5212 params->he_cap = (void *)(cap + 3);
5213 cap = cfg80211_find_ext_ie(WLAN_EID_EXT_HE_OPERATION, ies, ies_len);
5214 if (cap && cap[1] >= sizeof(*params->he_oper) + 1)
5215 params->he_oper = (void *)(cap + 3);
5218 static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev,
5219 struct cfg80211_ap_settings *params)
5221 struct wireless_dev *wdev;
5224 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
5225 if (wdev->iftype != NL80211_IFTYPE_AP &&
5226 wdev->iftype != NL80211_IFTYPE_P2P_GO)
5229 if (!wdev->preset_chandef.chan)
5232 params->chandef = wdev->preset_chandef;
5240 static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev,
5241 enum nl80211_auth_type auth_type,
5242 enum nl80211_commands cmd)
5244 if (auth_type > NL80211_AUTHTYPE_MAX)
5248 case NL80211_CMD_AUTHENTICATE:
5249 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
5250 auth_type == NL80211_AUTHTYPE_SAE)
5252 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5253 NL80211_EXT_FEATURE_FILS_STA) &&
5254 (auth_type == NL80211_AUTHTYPE_FILS_SK ||
5255 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
5256 auth_type == NL80211_AUTHTYPE_FILS_PK))
5259 case NL80211_CMD_CONNECT:
5260 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
5261 !wiphy_ext_feature_isset(&rdev->wiphy,
5262 NL80211_EXT_FEATURE_SAE_OFFLOAD) &&
5263 auth_type == NL80211_AUTHTYPE_SAE)
5266 /* FILS with SK PFS or PK not supported yet */
5267 if (auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
5268 auth_type == NL80211_AUTHTYPE_FILS_PK)
5270 if (!wiphy_ext_feature_isset(
5272 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) &&
5273 auth_type == NL80211_AUTHTYPE_FILS_SK)
5276 case NL80211_CMD_START_AP:
5277 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5278 NL80211_EXT_FEATURE_SAE_OFFLOAD_AP) &&
5279 auth_type == NL80211_AUTHTYPE_SAE)
5281 /* FILS not supported yet */
5282 if (auth_type == NL80211_AUTHTYPE_FILS_SK ||
5283 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
5284 auth_type == NL80211_AUTHTYPE_FILS_PK)
5292 static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
5294 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5295 struct net_device *dev = info->user_ptr[1];
5296 struct wireless_dev *wdev = dev->ieee80211_ptr;
5297 struct cfg80211_ap_settings params;
5300 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
5301 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5304 if (!rdev->ops->start_ap)
5307 if (wdev->beacon_interval)
5310 memset(¶ms, 0, sizeof(params));
5312 /* these are required for START_AP */
5313 if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] ||
5314 !info->attrs[NL80211_ATTR_DTIM_PERIOD] ||
5315 !info->attrs[NL80211_ATTR_BEACON_HEAD])
5318 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms.beacon);
5322 params.beacon_interval =
5323 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
5324 params.dtim_period =
5325 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
5327 err = cfg80211_validate_beacon_int(rdev, dev->ieee80211_ptr->iftype,
5328 params.beacon_interval);
5333 * In theory, some of these attributes should be required here
5334 * but since they were not used when the command was originally
5335 * added, keep them optional for old user space programs to let
5336 * them continue to work with drivers that do not need the
5337 * additional information -- drivers must check!
5339 if (info->attrs[NL80211_ATTR_SSID]) {
5340 params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
5342 nla_len(info->attrs[NL80211_ATTR_SSID]);
5343 if (params.ssid_len == 0)
5347 if (info->attrs[NL80211_ATTR_HIDDEN_SSID])
5348 params.hidden_ssid = nla_get_u32(
5349 info->attrs[NL80211_ATTR_HIDDEN_SSID]);
5351 params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
5353 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
5354 params.auth_type = nla_get_u32(
5355 info->attrs[NL80211_ATTR_AUTH_TYPE]);
5356 if (!nl80211_valid_auth_type(rdev, params.auth_type,
5357 NL80211_CMD_START_AP))
5360 params.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
5362 err = nl80211_crypto_settings(rdev, info, ¶ms.crypto,
5363 NL80211_MAX_NR_CIPHER_SUITES);
5367 if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) {
5368 if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER))
5370 params.inactivity_timeout = nla_get_u16(
5371 info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]);
5374 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
5375 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5377 params.p2p_ctwindow =
5378 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
5379 if (params.p2p_ctwindow != 0 &&
5380 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
5384 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
5387 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5389 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
5390 params.p2p_opp_ps = tmp;
5391 if (params.p2p_opp_ps != 0 &&
5392 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
5396 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
5397 err = nl80211_parse_chandef(rdev, info, ¶ms.chandef);
5400 } else if (wdev->preset_chandef.chan) {
5401 params.chandef = wdev->preset_chandef;
5402 } else if (!nl80211_get_ap_channel(rdev, ¶ms))
5405 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef,
5409 if (info->attrs[NL80211_ATTR_TX_RATES]) {
5410 err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
5411 NL80211_ATTR_TX_RATES,
5412 ¶ms.beacon_rate,
5417 err = validate_beacon_tx_rate(rdev, params.chandef.chan->band,
5418 ¶ms.beacon_rate);
5423 if (info->attrs[NL80211_ATTR_SMPS_MODE]) {
5425 nla_get_u8(info->attrs[NL80211_ATTR_SMPS_MODE]);
5426 switch (params.smps_mode) {
5427 case NL80211_SMPS_OFF:
5429 case NL80211_SMPS_STATIC:
5430 if (!(rdev->wiphy.features &
5431 NL80211_FEATURE_STATIC_SMPS))
5434 case NL80211_SMPS_DYNAMIC:
5435 if (!(rdev->wiphy.features &
5436 NL80211_FEATURE_DYNAMIC_SMPS))
5443 params.smps_mode = NL80211_SMPS_OFF;
5446 params.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
5447 if (params.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ])
5450 if (info->attrs[NL80211_ATTR_ACL_POLICY]) {
5451 params.acl = parse_acl_data(&rdev->wiphy, info);
5452 if (IS_ERR(params.acl))
5453 return PTR_ERR(params.acl);
5456 params.twt_responder =
5457 nla_get_flag(info->attrs[NL80211_ATTR_TWT_RESPONDER]);
5459 if (info->attrs[NL80211_ATTR_HE_OBSS_PD]) {
5460 err = nl80211_parse_he_obss_pd(
5461 info->attrs[NL80211_ATTR_HE_OBSS_PD],
5462 ¶ms.he_obss_pd);
5467 if (info->attrs[NL80211_ATTR_HE_BSS_COLOR]) {
5468 err = nl80211_parse_he_bss_color(
5469 info->attrs[NL80211_ATTR_HE_BSS_COLOR],
5470 ¶ms.he_bss_color);
5475 if (info->attrs[NL80211_ATTR_FILS_DISCOVERY]) {
5476 err = nl80211_parse_fils_discovery(rdev,
5477 info->attrs[NL80211_ATTR_FILS_DISCOVERY],
5483 if (info->attrs[NL80211_ATTR_UNSOL_BCAST_PROBE_RESP]) {
5484 err = nl80211_parse_unsol_bcast_probe_resp(
5485 rdev, info->attrs[NL80211_ATTR_UNSOL_BCAST_PROBE_RESP],
5491 nl80211_calculate_ap_params(¶ms);
5493 if (info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])
5494 params.flags |= AP_SETTINGS_EXTERNAL_AUTH_SUPPORT;
5497 err = rdev_start_ap(rdev, dev, ¶ms);
5499 wdev->preset_chandef = params.chandef;
5500 wdev->beacon_interval = params.beacon_interval;
5501 wdev->chandef = params.chandef;
5502 wdev->ssid_len = params.ssid_len;
5503 memcpy(wdev->ssid, params.ssid, wdev->ssid_len);
5505 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
5506 wdev->conn_owner_nlportid = info->snd_portid;
5516 static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info)
5518 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5519 struct net_device *dev = info->user_ptr[1];
5520 struct wireless_dev *wdev = dev->ieee80211_ptr;
5521 struct cfg80211_beacon_data params;
5524 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
5525 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5528 if (!rdev->ops->change_beacon)
5531 if (!wdev->beacon_interval)
5534 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms);
5539 err = rdev_change_beacon(rdev, dev, ¶ms);
5545 static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info)
5547 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5548 struct net_device *dev = info->user_ptr[1];
5550 return cfg80211_stop_ap(rdev, dev, false);
5553 static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = {
5554 [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG },
5555 [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG },
5556 [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG },
5557 [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG },
5558 [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG },
5559 [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG },
5562 static int parse_station_flags(struct genl_info *info,
5563 enum nl80211_iftype iftype,
5564 struct station_parameters *params)
5566 struct nlattr *flags[NL80211_STA_FLAG_MAX + 1];
5571 * Try parsing the new attribute first so userspace
5572 * can specify both for older kernels.
5574 nla = info->attrs[NL80211_ATTR_STA_FLAGS2];
5576 struct nl80211_sta_flag_update *sta_flags;
5578 sta_flags = nla_data(nla);
5579 params->sta_flags_mask = sta_flags->mask;
5580 params->sta_flags_set = sta_flags->set;
5581 params->sta_flags_set &= params->sta_flags_mask;
5582 if ((params->sta_flags_mask |
5583 params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID))
5588 /* if present, parse the old attribute */
5590 nla = info->attrs[NL80211_ATTR_STA_FLAGS];
5594 if (nla_parse_nested_deprecated(flags, NL80211_STA_FLAG_MAX, nla, sta_flags_policy, info->extack))
5598 * Only allow certain flags for interface types so that
5599 * other attributes are silently ignored. Remember that
5600 * this is backward compatibility code with old userspace
5601 * and shouldn't be hit in other cases anyway.
5604 case NL80211_IFTYPE_AP:
5605 case NL80211_IFTYPE_AP_VLAN:
5606 case NL80211_IFTYPE_P2P_GO:
5607 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
5608 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
5609 BIT(NL80211_STA_FLAG_WME) |
5610 BIT(NL80211_STA_FLAG_MFP);
5612 case NL80211_IFTYPE_P2P_CLIENT:
5613 case NL80211_IFTYPE_STATION:
5614 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
5615 BIT(NL80211_STA_FLAG_TDLS_PEER);
5617 case NL80211_IFTYPE_MESH_POINT:
5618 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
5619 BIT(NL80211_STA_FLAG_MFP) |
5620 BIT(NL80211_STA_FLAG_AUTHORIZED);
5626 for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) {
5628 params->sta_flags_set |= (1<<flag);
5630 /* no longer support new API additions in old API */
5631 if (flag > NL80211_STA_FLAG_MAX_OLD_API)
5639 bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, int attr)
5641 struct nlattr *rate;
5644 enum nl80211_rate_info rate_flg;
5646 rate = nla_nest_start_noflag(msg, attr);
5650 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
5651 bitrate = cfg80211_calculate_bitrate(info);
5652 /* report 16-bit bitrate only if we can */
5653 bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0;
5655 nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate))
5657 if (bitrate_compat > 0 &&
5658 nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat))
5662 case RATE_INFO_BW_5:
5663 rate_flg = NL80211_RATE_INFO_5_MHZ_WIDTH;
5665 case RATE_INFO_BW_10:
5666 rate_flg = NL80211_RATE_INFO_10_MHZ_WIDTH;
5671 case RATE_INFO_BW_20:
5674 case RATE_INFO_BW_40:
5675 rate_flg = NL80211_RATE_INFO_40_MHZ_WIDTH;
5677 case RATE_INFO_BW_80:
5678 rate_flg = NL80211_RATE_INFO_80_MHZ_WIDTH;
5680 case RATE_INFO_BW_160:
5681 rate_flg = NL80211_RATE_INFO_160_MHZ_WIDTH;
5683 case RATE_INFO_BW_HE_RU:
5685 WARN_ON(!(info->flags & RATE_INFO_FLAGS_HE_MCS));
5688 if (rate_flg && nla_put_flag(msg, rate_flg))
5691 if (info->flags & RATE_INFO_FLAGS_MCS) {
5692 if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs))
5694 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
5695 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
5697 } else if (info->flags & RATE_INFO_FLAGS_VHT_MCS) {
5698 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_MCS, info->mcs))
5700 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss))
5702 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
5703 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
5705 } else if (info->flags & RATE_INFO_FLAGS_HE_MCS) {
5706 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_MCS, info->mcs))
5708 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_NSS, info->nss))
5710 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_GI, info->he_gi))
5712 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_DCM, info->he_dcm))
5714 if (info->bw == RATE_INFO_BW_HE_RU &&
5715 nla_put_u8(msg, NL80211_RATE_INFO_HE_RU_ALLOC,
5720 nla_nest_end(msg, rate);
5724 static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal,
5733 attr = nla_nest_start_noflag(msg, id);
5737 for (i = 0; i < IEEE80211_MAX_CHAINS; i++) {
5738 if (!(mask & BIT(i)))
5741 if (nla_put_u8(msg, i, signal[i]))
5745 nla_nest_end(msg, attr);
5750 static int nl80211_send_station(struct sk_buff *msg, u32 cmd, u32 portid,
5752 struct cfg80211_registered_device *rdev,
5753 struct net_device *dev,
5754 const u8 *mac_addr, struct station_info *sinfo)
5757 struct nlattr *sinfoattr, *bss_param;
5759 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
5761 cfg80211_sinfo_release_content(sinfo);
5765 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
5766 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
5767 nla_put_u32(msg, NL80211_ATTR_GENERATION, sinfo->generation))
5768 goto nla_put_failure;
5770 sinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_STA_INFO);
5772 goto nla_put_failure;
5774 #define PUT_SINFO(attr, memb, type) do { \
5775 BUILD_BUG_ON(sizeof(type) == sizeof(u64)); \
5776 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \
5777 nla_put_ ## type(msg, NL80211_STA_INFO_ ## attr, \
5779 goto nla_put_failure; \
5781 #define PUT_SINFO_U64(attr, memb) do { \
5782 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \
5783 nla_put_u64_64bit(msg, NL80211_STA_INFO_ ## attr, \
5784 sinfo->memb, NL80211_STA_INFO_PAD)) \
5785 goto nla_put_failure; \
5788 PUT_SINFO(CONNECTED_TIME, connected_time, u32);
5789 PUT_SINFO(INACTIVE_TIME, inactive_time, u32);
5790 PUT_SINFO_U64(ASSOC_AT_BOOTTIME, assoc_at);
5792 if (sinfo->filled & (BIT_ULL(NL80211_STA_INFO_RX_BYTES) |
5793 BIT_ULL(NL80211_STA_INFO_RX_BYTES64)) &&
5794 nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES,
5795 (u32)sinfo->rx_bytes))
5796 goto nla_put_failure;
5798 if (sinfo->filled & (BIT_ULL(NL80211_STA_INFO_TX_BYTES) |
5799 BIT_ULL(NL80211_STA_INFO_TX_BYTES64)) &&
5800 nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES,
5801 (u32)sinfo->tx_bytes))
5802 goto nla_put_failure;
5804 PUT_SINFO_U64(RX_BYTES64, rx_bytes);
5805 PUT_SINFO_U64(TX_BYTES64, tx_bytes);
5806 PUT_SINFO(LLID, llid, u16);
5807 PUT_SINFO(PLID, plid, u16);
5808 PUT_SINFO(PLINK_STATE, plink_state, u8);
5809 PUT_SINFO_U64(RX_DURATION, rx_duration);
5810 PUT_SINFO_U64(TX_DURATION, tx_duration);
5812 if (wiphy_ext_feature_isset(&rdev->wiphy,
5813 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
5814 PUT_SINFO(AIRTIME_WEIGHT, airtime_weight, u16);
5816 switch (rdev->wiphy.signal_type) {
5817 case CFG80211_SIGNAL_TYPE_MBM:
5818 PUT_SINFO(SIGNAL, signal, u8);
5819 PUT_SINFO(SIGNAL_AVG, signal_avg, u8);
5824 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL)) {
5825 if (!nl80211_put_signal(msg, sinfo->chains,
5826 sinfo->chain_signal,
5827 NL80211_STA_INFO_CHAIN_SIGNAL))
5828 goto nla_put_failure;
5830 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) {
5831 if (!nl80211_put_signal(msg, sinfo->chains,
5832 sinfo->chain_signal_avg,
5833 NL80211_STA_INFO_CHAIN_SIGNAL_AVG))
5834 goto nla_put_failure;
5836 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_TX_BITRATE)) {
5837 if (!nl80211_put_sta_rate(msg, &sinfo->txrate,
5838 NL80211_STA_INFO_TX_BITRATE))
5839 goto nla_put_failure;
5841 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_RX_BITRATE)) {
5842 if (!nl80211_put_sta_rate(msg, &sinfo->rxrate,
5843 NL80211_STA_INFO_RX_BITRATE))
5844 goto nla_put_failure;
5847 PUT_SINFO(RX_PACKETS, rx_packets, u32);
5848 PUT_SINFO(TX_PACKETS, tx_packets, u32);
5849 PUT_SINFO(TX_RETRIES, tx_retries, u32);
5850 PUT_SINFO(TX_FAILED, tx_failed, u32);
5851 PUT_SINFO(EXPECTED_THROUGHPUT, expected_throughput, u32);
5852 PUT_SINFO(AIRTIME_LINK_METRIC, airtime_link_metric, u32);
5853 PUT_SINFO(BEACON_LOSS, beacon_loss_count, u32);
5854 PUT_SINFO(LOCAL_PM, local_pm, u32);
5855 PUT_SINFO(PEER_PM, peer_pm, u32);
5856 PUT_SINFO(NONPEER_PM, nonpeer_pm, u32);
5857 PUT_SINFO(CONNECTED_TO_GATE, connected_to_gate, u8);
5858 PUT_SINFO(CONNECTED_TO_AS, connected_to_as, u8);
5860 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_BSS_PARAM)) {
5861 bss_param = nla_nest_start_noflag(msg,
5862 NL80211_STA_INFO_BSS_PARAM);
5864 goto nla_put_failure;
5866 if (((sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) &&
5867 nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) ||
5868 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) &&
5869 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) ||
5870 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) &&
5871 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) ||
5872 nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD,
5873 sinfo->bss_param.dtim_period) ||
5874 nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL,
5875 sinfo->bss_param.beacon_interval))
5876 goto nla_put_failure;
5878 nla_nest_end(msg, bss_param);
5880 if ((sinfo->filled & BIT_ULL(NL80211_STA_INFO_STA_FLAGS)) &&
5881 nla_put(msg, NL80211_STA_INFO_STA_FLAGS,
5882 sizeof(struct nl80211_sta_flag_update),
5884 goto nla_put_failure;
5886 PUT_SINFO_U64(T_OFFSET, t_offset);
5887 PUT_SINFO_U64(RX_DROP_MISC, rx_dropped_misc);
5888 PUT_SINFO_U64(BEACON_RX, rx_beacon);
5889 PUT_SINFO(BEACON_SIGNAL_AVG, rx_beacon_signal_avg, u8);
5890 PUT_SINFO(RX_MPDUS, rx_mpdu_count, u32);
5891 PUT_SINFO(FCS_ERROR_COUNT, fcs_err_count, u32);
5892 if (wiphy_ext_feature_isset(&rdev->wiphy,
5893 NL80211_EXT_FEATURE_ACK_SIGNAL_SUPPORT)) {
5894 PUT_SINFO(ACK_SIGNAL, ack_signal, u8);
5895 PUT_SINFO(ACK_SIGNAL_AVG, avg_ack_signal, s8);
5899 #undef PUT_SINFO_U64
5901 if (sinfo->pertid) {
5902 struct nlattr *tidsattr;
5905 tidsattr = nla_nest_start_noflag(msg,
5906 NL80211_STA_INFO_TID_STATS);
5908 goto nla_put_failure;
5910 for (tid = 0; tid < IEEE80211_NUM_TIDS + 1; tid++) {
5911 struct cfg80211_tid_stats *tidstats;
5912 struct nlattr *tidattr;
5914 tidstats = &sinfo->pertid[tid];
5916 if (!tidstats->filled)
5919 tidattr = nla_nest_start_noflag(msg, tid + 1);
5921 goto nla_put_failure;
5923 #define PUT_TIDVAL_U64(attr, memb) do { \
5924 if (tidstats->filled & BIT(NL80211_TID_STATS_ ## attr) && \
5925 nla_put_u64_64bit(msg, NL80211_TID_STATS_ ## attr, \
5926 tidstats->memb, NL80211_TID_STATS_PAD)) \
5927 goto nla_put_failure; \
5930 PUT_TIDVAL_U64(RX_MSDU, rx_msdu);
5931 PUT_TIDVAL_U64(TX_MSDU, tx_msdu);
5932 PUT_TIDVAL_U64(TX_MSDU_RETRIES, tx_msdu_retries);
5933 PUT_TIDVAL_U64(TX_MSDU_FAILED, tx_msdu_failed);
5935 #undef PUT_TIDVAL_U64
5936 if ((tidstats->filled &
5937 BIT(NL80211_TID_STATS_TXQ_STATS)) &&
5938 !nl80211_put_txq_stats(msg, &tidstats->txq_stats,
5939 NL80211_TID_STATS_TXQ_STATS))
5940 goto nla_put_failure;
5942 nla_nest_end(msg, tidattr);
5945 nla_nest_end(msg, tidsattr);
5948 nla_nest_end(msg, sinfoattr);
5950 if (sinfo->assoc_req_ies_len &&
5951 nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len,
5952 sinfo->assoc_req_ies))
5953 goto nla_put_failure;
5955 cfg80211_sinfo_release_content(sinfo);
5956 genlmsg_end(msg, hdr);
5960 cfg80211_sinfo_release_content(sinfo);
5961 genlmsg_cancel(msg, hdr);
5965 static int nl80211_dump_station(struct sk_buff *skb,
5966 struct netlink_callback *cb)
5968 struct station_info sinfo;
5969 struct cfg80211_registered_device *rdev;
5970 struct wireless_dev *wdev;
5971 u8 mac_addr[ETH_ALEN];
5972 int sta_idx = cb->args[2];
5975 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
5978 /* nl80211_prepare_wdev_dump acquired it in the successful case */
5979 __acquire(&rdev->wiphy.mtx);
5981 if (!wdev->netdev) {
5986 if (!rdev->ops->dump_station) {
5992 memset(&sinfo, 0, sizeof(sinfo));
5993 err = rdev_dump_station(rdev, wdev->netdev, sta_idx,
6000 if (nl80211_send_station(skb, NL80211_CMD_NEW_STATION,
6001 NETLINK_CB(cb->skb).portid,
6002 cb->nlh->nlmsg_seq, NLM_F_MULTI,
6003 rdev, wdev->netdev, mac_addr,
6011 cb->args[2] = sta_idx;
6014 wiphy_unlock(&rdev->wiphy);
6019 static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info)
6021 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6022 struct net_device *dev = info->user_ptr[1];
6023 struct station_info sinfo;
6024 struct sk_buff *msg;
6025 u8 *mac_addr = NULL;
6028 memset(&sinfo, 0, sizeof(sinfo));
6030 if (!info->attrs[NL80211_ATTR_MAC])
6033 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
6035 if (!rdev->ops->get_station)
6038 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
6042 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6044 cfg80211_sinfo_release_content(&sinfo);
6048 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION,
6049 info->snd_portid, info->snd_seq, 0,
6050 rdev, dev, mac_addr, &sinfo) < 0) {
6055 return genlmsg_reply(msg, info);
6058 int cfg80211_check_station_change(struct wiphy *wiphy,
6059 struct station_parameters *params,
6060 enum cfg80211_station_type statype)
6062 if (params->listen_interval != -1 &&
6063 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
6066 if (params->support_p2p_ps != -1 &&
6067 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
6071 !(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) &&
6072 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
6075 /* When you run into this, adjust the code below for the new flag */
6076 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
6079 case CFG80211_STA_MESH_PEER_KERNEL:
6080 case CFG80211_STA_MESH_PEER_USER:
6082 * No ignoring the TDLS flag here -- the userspace mesh
6083 * code doesn't have the bug of including TDLS in the
6086 if (params->sta_flags_mask &
6087 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6088 BIT(NL80211_STA_FLAG_MFP) |
6089 BIT(NL80211_STA_FLAG_AUTHORIZED)))
6092 case CFG80211_STA_TDLS_PEER_SETUP:
6093 case CFG80211_STA_TDLS_PEER_ACTIVE:
6094 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
6096 /* ignore since it can't change */
6097 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
6100 /* disallow mesh-specific things */
6101 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION)
6103 if (params->local_pm)
6105 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
6109 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
6110 statype != CFG80211_STA_TDLS_PEER_ACTIVE) {
6111 /* TDLS can't be set, ... */
6112 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
6115 * ... but don't bother the driver with it. This works around
6116 * a hostapd/wpa_supplicant issue -- it always includes the
6117 * TLDS_PEER flag in the mask even for AP mode.
6119 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
6122 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
6123 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
6124 /* reject other things that can't change */
6125 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD)
6127 if (params->sta_modify_mask & STATION_PARAM_APPLY_CAPABILITY)
6129 if (params->supported_rates)
6131 if (params->ext_capab || params->ht_capa || params->vht_capa ||
6136 if (statype != CFG80211_STA_AP_CLIENT &&
6137 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
6143 case CFG80211_STA_AP_MLME_CLIENT:
6144 /* Use this only for authorizing/unauthorizing a station */
6145 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
6148 case CFG80211_STA_AP_CLIENT:
6149 case CFG80211_STA_AP_CLIENT_UNASSOC:
6150 /* accept only the listed bits */
6151 if (params->sta_flags_mask &
6152 ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
6153 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6154 BIT(NL80211_STA_FLAG_ASSOCIATED) |
6155 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
6156 BIT(NL80211_STA_FLAG_WME) |
6157 BIT(NL80211_STA_FLAG_MFP)))
6160 /* but authenticated/associated only if driver handles it */
6161 if (!(wiphy->features & NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
6162 params->sta_flags_mask &
6163 (BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6164 BIT(NL80211_STA_FLAG_ASSOCIATED)))
6167 case CFG80211_STA_IBSS:
6168 case CFG80211_STA_AP_STA:
6169 /* reject any changes other than AUTHORIZED */
6170 if (params->sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED))
6173 case CFG80211_STA_TDLS_PEER_SETUP:
6174 /* reject any changes other than AUTHORIZED or WME */
6175 if (params->sta_flags_mask & ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
6176 BIT(NL80211_STA_FLAG_WME)))
6178 /* force (at least) rates when authorizing */
6179 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED) &&
6180 !params->supported_rates)
6183 case CFG80211_STA_TDLS_PEER_ACTIVE:
6184 /* reject any changes */
6186 case CFG80211_STA_MESH_PEER_KERNEL:
6187 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
6190 case CFG80211_STA_MESH_PEER_USER:
6191 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION &&
6192 params->plink_action != NL80211_PLINK_ACTION_BLOCK)
6198 * Older kernel versions ignored this attribute entirely, so don't
6199 * reject attempts to update it but mark it as unused instead so the
6200 * driver won't look at the data.
6202 if (statype != CFG80211_STA_AP_CLIENT_UNASSOC &&
6203 statype != CFG80211_STA_TDLS_PEER_SETUP)
6204 params->opmode_notif_used = false;
6208 EXPORT_SYMBOL(cfg80211_check_station_change);
6211 * Get vlan interface making sure it is running and on the right wiphy.
6213 static struct net_device *get_vlan(struct genl_info *info,
6214 struct cfg80211_registered_device *rdev)
6216 struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN];
6217 struct net_device *v;
6223 v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr));
6225 return ERR_PTR(-ENODEV);
6227 if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) {
6232 if (v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
6233 v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
6234 v->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
6239 if (!netif_running(v)) {
6247 return ERR_PTR(ret);
6250 static const struct nla_policy
6251 nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] = {
6252 [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 },
6253 [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 },
6256 static int nl80211_parse_sta_wme(struct genl_info *info,
6257 struct station_parameters *params)
6259 struct nlattr *tb[NL80211_STA_WME_MAX + 1];
6263 /* parse WME attributes if present */
6264 if (!info->attrs[NL80211_ATTR_STA_WME])
6267 nla = info->attrs[NL80211_ATTR_STA_WME];
6268 err = nla_parse_nested_deprecated(tb, NL80211_STA_WME_MAX, nla,
6269 nl80211_sta_wme_policy,
6274 if (tb[NL80211_STA_WME_UAPSD_QUEUES])
6275 params->uapsd_queues = nla_get_u8(
6276 tb[NL80211_STA_WME_UAPSD_QUEUES]);
6277 if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
6280 if (tb[NL80211_STA_WME_MAX_SP])
6281 params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]);
6283 if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
6286 params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD;
6291 static int nl80211_parse_sta_channel_info(struct genl_info *info,
6292 struct station_parameters *params)
6294 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]) {
6295 params->supported_channels =
6296 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
6297 params->supported_channels_len =
6298 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
6300 * Need to include at least one (first channel, number of
6301 * channels) tuple for each subband (checked in policy),
6302 * and must have proper tuples for the rest of the data as well.
6304 if (params->supported_channels_len % 2)
6308 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]) {
6309 params->supported_oper_classes =
6310 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
6311 params->supported_oper_classes_len =
6312 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
6317 static int nl80211_set_station_tdls(struct genl_info *info,
6318 struct station_parameters *params)
6321 /* Dummy STA entry gets updated once the peer capabilities are known */
6322 if (info->attrs[NL80211_ATTR_PEER_AID])
6323 params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
6324 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
6326 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
6327 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
6329 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
6330 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
6332 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
6333 params->he_capa_len =
6334 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
6337 err = nl80211_parse_sta_channel_info(info, params);
6341 return nl80211_parse_sta_wme(info, params);
6344 static int nl80211_parse_sta_txpower_setting(struct genl_info *info,
6345 struct station_parameters *params)
6347 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6350 if (info->attrs[NL80211_ATTR_STA_TX_POWER_SETTING]) {
6351 if (!rdev->ops->set_tx_power ||
6352 !wiphy_ext_feature_isset(&rdev->wiphy,
6353 NL80211_EXT_FEATURE_STA_TX_PWR))
6356 idx = NL80211_ATTR_STA_TX_POWER_SETTING;
6357 params->txpwr.type = nla_get_u8(info->attrs[idx]);
6359 if (params->txpwr.type == NL80211_TX_POWER_LIMITED) {
6360 idx = NL80211_ATTR_STA_TX_POWER;
6362 if (info->attrs[idx])
6363 params->txpwr.power =
6364 nla_get_s16(info->attrs[idx]);
6368 params->sta_modify_mask |= STATION_PARAM_APPLY_STA_TXPOWER;
6374 static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
6376 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6377 struct net_device *dev = info->user_ptr[1];
6378 struct station_parameters params;
6382 memset(¶ms, 0, sizeof(params));
6384 if (!rdev->ops->change_station)
6388 * AID and listen_interval properties can be set only for unassociated
6389 * station. Include these parameters here and will check them in
6390 * cfg80211_check_station_change().
6392 if (info->attrs[NL80211_ATTR_STA_AID])
6393 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
6395 if (info->attrs[NL80211_ATTR_VLAN_ID])
6396 params.vlan_id = nla_get_u16(info->attrs[NL80211_ATTR_VLAN_ID]);
6398 if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
6399 params.listen_interval =
6400 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
6402 params.listen_interval = -1;
6404 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS])
6405 params.support_p2p_ps =
6406 nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
6408 params.support_p2p_ps = -1;
6410 if (!info->attrs[NL80211_ATTR_MAC])
6413 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
6415 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) {
6416 params.supported_rates =
6417 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
6418 params.supported_rates_len =
6419 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
6422 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
6424 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
6425 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
6428 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
6430 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
6431 params.ext_capab_len =
6432 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
6435 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
6438 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
6439 params.plink_action =
6440 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
6442 if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) {
6443 params.plink_state =
6444 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]);
6445 if (info->attrs[NL80211_ATTR_MESH_PEER_AID])
6446 params.peer_aid = nla_get_u16(
6447 info->attrs[NL80211_ATTR_MESH_PEER_AID]);
6448 params.sta_modify_mask |= STATION_PARAM_APPLY_PLINK_STATE;
6451 if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE])
6452 params.local_pm = nla_get_u32(
6453 info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]);
6455 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
6456 params.opmode_notif_used = true;
6457 params.opmode_notif =
6458 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
6461 if (info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY])
6462 params.he_6ghz_capa =
6463 nla_data(info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY]);
6465 if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
6466 params.airtime_weight =
6467 nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
6469 if (params.airtime_weight &&
6470 !wiphy_ext_feature_isset(&rdev->wiphy,
6471 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
6474 err = nl80211_parse_sta_txpower_setting(info, ¶ms);
6478 /* Include parameters for TDLS peer (will check later) */
6479 err = nl80211_set_station_tdls(info, ¶ms);
6483 params.vlan = get_vlan(info, rdev);
6484 if (IS_ERR(params.vlan))
6485 return PTR_ERR(params.vlan);
6487 switch (dev->ieee80211_ptr->iftype) {
6488 case NL80211_IFTYPE_AP:
6489 case NL80211_IFTYPE_AP_VLAN:
6490 case NL80211_IFTYPE_P2P_GO:
6491 case NL80211_IFTYPE_P2P_CLIENT:
6492 case NL80211_IFTYPE_STATION:
6493 case NL80211_IFTYPE_ADHOC:
6494 case NL80211_IFTYPE_MESH_POINT:
6501 /* driver will call cfg80211_check_station_change() */
6502 err = rdev_change_station(rdev, dev, mac_addr, ¶ms);
6506 dev_put(params.vlan);
6511 static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
6513 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6515 struct net_device *dev = info->user_ptr[1];
6516 struct station_parameters params;
6517 u8 *mac_addr = NULL;
6518 u32 auth_assoc = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6519 BIT(NL80211_STA_FLAG_ASSOCIATED);
6521 memset(¶ms, 0, sizeof(params));
6523 if (!rdev->ops->add_station)
6526 if (!info->attrs[NL80211_ATTR_MAC])
6529 if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
6532 if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES])
6535 if (!info->attrs[NL80211_ATTR_STA_AID] &&
6536 !info->attrs[NL80211_ATTR_PEER_AID])
6539 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
6540 params.supported_rates =
6541 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
6542 params.supported_rates_len =
6543 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
6544 params.listen_interval =
6545 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
6547 if (info->attrs[NL80211_ATTR_VLAN_ID])
6548 params.vlan_id = nla_get_u16(info->attrs[NL80211_ATTR_VLAN_ID]);
6550 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]) {
6551 params.support_p2p_ps =
6552 nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
6555 * if not specified, assume it's supported for P2P GO interface,
6556 * and is NOT supported for AP interface
6558 params.support_p2p_ps =
6559 dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO;
6562 if (info->attrs[NL80211_ATTR_PEER_AID])
6563 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
6565 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
6567 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
6569 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
6570 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
6573 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
6575 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
6576 params.ext_capab_len =
6577 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
6580 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
6582 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
6584 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
6586 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
6588 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
6590 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
6591 params.he_capa_len =
6592 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
6595 if (info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY])
6596 params.he_6ghz_capa =
6597 nla_data(info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY]);
6599 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
6600 params.opmode_notif_used = true;
6601 params.opmode_notif =
6602 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
6605 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
6606 params.plink_action =
6607 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
6609 if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
6610 params.airtime_weight =
6611 nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
6613 if (params.airtime_weight &&
6614 !wiphy_ext_feature_isset(&rdev->wiphy,
6615 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
6618 err = nl80211_parse_sta_txpower_setting(info, ¶ms);
6622 err = nl80211_parse_sta_channel_info(info, ¶ms);
6626 err = nl80211_parse_sta_wme(info, ¶ms);
6630 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
6633 /* HT/VHT requires QoS, but if we don't have that just ignore HT/VHT
6634 * as userspace might just pass through the capabilities from the IEs
6635 * directly, rather than enforcing this restriction and returning an
6636 * error in this case.
6638 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) {
6639 params.ht_capa = NULL;
6640 params.vht_capa = NULL;
6642 /* HE requires WME */
6643 if (params.he_capa_len || params.he_6ghz_capa)
6647 /* Ensure that HT/VHT capabilities are not set for 6 GHz HE STA */
6648 if (params.he_6ghz_capa && (params.ht_capa || params.vht_capa))
6651 /* When you run into this, adjust the code below for the new flag */
6652 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
6654 switch (dev->ieee80211_ptr->iftype) {
6655 case NL80211_IFTYPE_AP:
6656 case NL80211_IFTYPE_AP_VLAN:
6657 case NL80211_IFTYPE_P2P_GO:
6658 /* ignore WME attributes if iface/sta is not capable */
6659 if (!(rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) ||
6660 !(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME)))
6661 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
6663 /* TDLS peers cannot be added */
6664 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
6665 info->attrs[NL80211_ATTR_PEER_AID])
6667 /* but don't bother the driver with it */
6668 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
6670 /* allow authenticated/associated only if driver handles it */
6671 if (!(rdev->wiphy.features &
6672 NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
6673 params.sta_flags_mask & auth_assoc)
6676 /* Older userspace, or userspace wanting to be compatible with
6677 * !NL80211_FEATURE_FULL_AP_CLIENT_STATE, will not set the auth
6678 * and assoc flags in the mask, but assumes the station will be
6679 * added as associated anyway since this was the required driver
6680 * behaviour before NL80211_FEATURE_FULL_AP_CLIENT_STATE was
6682 * In order to not bother drivers with this quirk in the API
6683 * set the flags in both the mask and set for new stations in
6686 if (!(params.sta_flags_mask & auth_assoc)) {
6687 params.sta_flags_mask |= auth_assoc;
6688 params.sta_flags_set |= auth_assoc;
6691 /* must be last in here for error handling */
6692 params.vlan = get_vlan(info, rdev);
6693 if (IS_ERR(params.vlan))
6694 return PTR_ERR(params.vlan);
6696 case NL80211_IFTYPE_MESH_POINT:
6697 /* ignore uAPSD data */
6698 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
6700 /* associated is disallowed */
6701 if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED))
6703 /* TDLS peers cannot be added */
6704 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
6705 info->attrs[NL80211_ATTR_PEER_AID])
6708 case NL80211_IFTYPE_STATION:
6709 case NL80211_IFTYPE_P2P_CLIENT:
6710 /* ignore uAPSD data */
6711 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
6713 /* these are disallowed */
6714 if (params.sta_flags_mask &
6715 (BIT(NL80211_STA_FLAG_ASSOCIATED) |
6716 BIT(NL80211_STA_FLAG_AUTHENTICATED)))
6718 /* Only TDLS peers can be added */
6719 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
6721 /* Can only add if TDLS ... */
6722 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS))
6724 /* ... with external setup is supported */
6725 if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
6728 * Older wpa_supplicant versions always mark the TDLS peer
6729 * as authorized, but it shouldn't yet be.
6731 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_AUTHORIZED);
6737 /* be aware of params.vlan when changing code here */
6739 err = rdev_add_station(rdev, dev, mac_addr, ¶ms);
6742 dev_put(params.vlan);
6746 static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info)
6748 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6749 struct net_device *dev = info->user_ptr[1];
6750 struct station_del_parameters params;
6752 memset(¶ms, 0, sizeof(params));
6754 if (info->attrs[NL80211_ATTR_MAC])
6755 params.mac = nla_data(info->attrs[NL80211_ATTR_MAC]);
6757 switch (dev->ieee80211_ptr->iftype) {
6758 case NL80211_IFTYPE_AP:
6759 case NL80211_IFTYPE_AP_VLAN:
6760 case NL80211_IFTYPE_MESH_POINT:
6761 case NL80211_IFTYPE_P2P_GO:
6762 /* always accept these */
6764 case NL80211_IFTYPE_ADHOC:
6765 /* conditionally accept */
6766 if (wiphy_ext_feature_isset(&rdev->wiphy,
6767 NL80211_EXT_FEATURE_DEL_IBSS_STA))
6774 if (!rdev->ops->del_station)
6777 if (info->attrs[NL80211_ATTR_MGMT_SUBTYPE]) {
6779 nla_get_u8(info->attrs[NL80211_ATTR_MGMT_SUBTYPE]);
6780 if (params.subtype != IEEE80211_STYPE_DISASSOC >> 4 &&
6781 params.subtype != IEEE80211_STYPE_DEAUTH >> 4)
6784 /* Default to Deauthentication frame */
6785 params.subtype = IEEE80211_STYPE_DEAUTH >> 4;
6788 if (info->attrs[NL80211_ATTR_REASON_CODE]) {
6789 params.reason_code =
6790 nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
6791 if (params.reason_code == 0)
6792 return -EINVAL; /* 0 is reserved */
6794 /* Default to reason code 2 */
6795 params.reason_code = WLAN_REASON_PREV_AUTH_NOT_VALID;
6798 return rdev_del_station(rdev, dev, ¶ms);
6801 static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq,
6802 int flags, struct net_device *dev,
6803 u8 *dst, u8 *next_hop,
6804 struct mpath_info *pinfo)
6807 struct nlattr *pinfoattr;
6809 hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_MPATH);
6813 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
6814 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
6815 nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) ||
6816 nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation))
6817 goto nla_put_failure;
6819 pinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_MPATH_INFO);
6821 goto nla_put_failure;
6822 if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) &&
6823 nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN,
6825 goto nla_put_failure;
6826 if (((pinfo->filled & MPATH_INFO_SN) &&
6827 nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) ||
6828 ((pinfo->filled & MPATH_INFO_METRIC) &&
6829 nla_put_u32(msg, NL80211_MPATH_INFO_METRIC,
6831 ((pinfo->filled & MPATH_INFO_EXPTIME) &&
6832 nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME,
6834 ((pinfo->filled & MPATH_INFO_FLAGS) &&
6835 nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS,
6837 ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) &&
6838 nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT,
6839 pinfo->discovery_timeout)) ||
6840 ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) &&
6841 nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES,
6842 pinfo->discovery_retries)) ||
6843 ((pinfo->filled & MPATH_INFO_HOP_COUNT) &&
6844 nla_put_u8(msg, NL80211_MPATH_INFO_HOP_COUNT,
6845 pinfo->hop_count)) ||
6846 ((pinfo->filled & MPATH_INFO_PATH_CHANGE) &&
6847 nla_put_u32(msg, NL80211_MPATH_INFO_PATH_CHANGE,
6848 pinfo->path_change_count)))
6849 goto nla_put_failure;
6851 nla_nest_end(msg, pinfoattr);
6853 genlmsg_end(msg, hdr);
6857 genlmsg_cancel(msg, hdr);
6861 static int nl80211_dump_mpath(struct sk_buff *skb,
6862 struct netlink_callback *cb)
6864 struct mpath_info pinfo;
6865 struct cfg80211_registered_device *rdev;
6866 struct wireless_dev *wdev;
6868 u8 next_hop[ETH_ALEN];
6869 int path_idx = cb->args[2];
6872 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
6875 /* nl80211_prepare_wdev_dump acquired it in the successful case */
6876 __acquire(&rdev->wiphy.mtx);
6878 if (!rdev->ops->dump_mpath) {
6883 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
6889 err = rdev_dump_mpath(rdev, wdev->netdev, path_idx, dst,
6896 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
6897 cb->nlh->nlmsg_seq, NLM_F_MULTI,
6898 wdev->netdev, dst, next_hop,
6906 cb->args[2] = path_idx;
6909 wiphy_unlock(&rdev->wiphy);
6913 static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info)
6915 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6917 struct net_device *dev = info->user_ptr[1];
6918 struct mpath_info pinfo;
6919 struct sk_buff *msg;
6921 u8 next_hop[ETH_ALEN];
6923 memset(&pinfo, 0, sizeof(pinfo));
6925 if (!info->attrs[NL80211_ATTR_MAC])
6928 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6930 if (!rdev->ops->get_mpath)
6933 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6936 err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo);
6940 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6944 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
6945 dev, dst, next_hop, &pinfo) < 0) {
6950 return genlmsg_reply(msg, info);
6953 static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info)
6955 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6956 struct net_device *dev = info->user_ptr[1];
6958 u8 *next_hop = NULL;
6960 if (!info->attrs[NL80211_ATTR_MAC])
6963 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
6966 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6967 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
6969 if (!rdev->ops->change_mpath)
6972 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6975 return rdev_change_mpath(rdev, dev, dst, next_hop);
6978 static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info)
6980 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6981 struct net_device *dev = info->user_ptr[1];
6983 u8 *next_hop = NULL;
6985 if (!info->attrs[NL80211_ATTR_MAC])
6988 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
6991 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6992 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
6994 if (!rdev->ops->add_mpath)
6997 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
7000 return rdev_add_mpath(rdev, dev, dst, next_hop);
7003 static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info)
7005 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7006 struct net_device *dev = info->user_ptr[1];
7009 if (info->attrs[NL80211_ATTR_MAC])
7010 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
7012 if (!rdev->ops->del_mpath)
7015 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
7018 return rdev_del_mpath(rdev, dev, dst);
7021 static int nl80211_get_mpp(struct sk_buff *skb, struct genl_info *info)
7023 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7025 struct net_device *dev = info->user_ptr[1];
7026 struct mpath_info pinfo;
7027 struct sk_buff *msg;
7031 memset(&pinfo, 0, sizeof(pinfo));
7033 if (!info->attrs[NL80211_ATTR_MAC])
7036 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
7038 if (!rdev->ops->get_mpp)
7041 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
7044 err = rdev_get_mpp(rdev, dev, dst, mpp, &pinfo);
7048 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7052 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
7053 dev, dst, mpp, &pinfo) < 0) {
7058 return genlmsg_reply(msg, info);
7061 static int nl80211_dump_mpp(struct sk_buff *skb,
7062 struct netlink_callback *cb)
7064 struct mpath_info pinfo;
7065 struct cfg80211_registered_device *rdev;
7066 struct wireless_dev *wdev;
7069 int path_idx = cb->args[2];
7072 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
7075 /* nl80211_prepare_wdev_dump acquired it in the successful case */
7076 __acquire(&rdev->wiphy.mtx);
7078 if (!rdev->ops->dump_mpp) {
7083 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
7089 err = rdev_dump_mpp(rdev, wdev->netdev, path_idx, dst,
7096 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
7097 cb->nlh->nlmsg_seq, NLM_F_MULTI,
7098 wdev->netdev, dst, mpp,
7106 cb->args[2] = path_idx;
7109 wiphy_unlock(&rdev->wiphy);
7113 static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
7115 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7116 struct net_device *dev = info->user_ptr[1];
7117 struct wireless_dev *wdev = dev->ieee80211_ptr;
7118 struct bss_parameters params;
7121 memset(¶ms, 0, sizeof(params));
7122 /* default to not changing parameters */
7123 params.use_cts_prot = -1;
7124 params.use_short_preamble = -1;
7125 params.use_short_slot_time = -1;
7126 params.ap_isolate = -1;
7127 params.ht_opmode = -1;
7128 params.p2p_ctwindow = -1;
7129 params.p2p_opp_ps = -1;
7131 if (info->attrs[NL80211_ATTR_BSS_CTS_PROT])
7132 params.use_cts_prot =
7133 nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]);
7134 if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE])
7135 params.use_short_preamble =
7136 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]);
7137 if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME])
7138 params.use_short_slot_time =
7139 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]);
7140 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
7141 params.basic_rates =
7142 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
7143 params.basic_rates_len =
7144 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
7146 if (info->attrs[NL80211_ATTR_AP_ISOLATE])
7147 params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]);
7148 if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE])
7150 nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]);
7152 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
7153 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
7155 params.p2p_ctwindow =
7156 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
7157 if (params.p2p_ctwindow != 0 &&
7158 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
7162 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
7165 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
7167 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
7168 params.p2p_opp_ps = tmp;
7169 if (params.p2p_opp_ps &&
7170 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
7174 if (!rdev->ops->change_bss)
7177 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
7178 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
7182 err = rdev_change_bss(rdev, dev, ¶ms);
7188 static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
7192 enum nl80211_user_reg_hint_type user_reg_hint_type;
7196 * You should only get this when cfg80211 hasn't yet initialized
7197 * completely when built-in to the kernel right between the time
7198 * window between nl80211_init() and regulatory_init(), if that is
7201 if (unlikely(!rcu_access_pointer(cfg80211_regdomain)))
7202 return -EINPROGRESS;
7204 if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE])
7205 user_reg_hint_type =
7206 nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]);
7208 user_reg_hint_type = NL80211_USER_REG_HINT_USER;
7210 switch (user_reg_hint_type) {
7211 case NL80211_USER_REG_HINT_USER:
7212 case NL80211_USER_REG_HINT_CELL_BASE:
7213 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
7216 data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
7217 return regulatory_hint_user(data, user_reg_hint_type);
7218 case NL80211_USER_REG_HINT_INDOOR:
7219 if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
7220 owner_nlportid = info->snd_portid;
7221 is_indoor = !!info->attrs[NL80211_ATTR_REG_INDOOR];
7227 return regulatory_hint_indoor(is_indoor, owner_nlportid);
7233 static int nl80211_reload_regdb(struct sk_buff *skb, struct genl_info *info)
7235 return reg_reload_regdb();
7238 static int nl80211_get_mesh_config(struct sk_buff *skb,
7239 struct genl_info *info)
7241 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7242 struct net_device *dev = info->user_ptr[1];
7243 struct wireless_dev *wdev = dev->ieee80211_ptr;
7244 struct mesh_config cur_params;
7247 struct nlattr *pinfoattr;
7248 struct sk_buff *msg;
7250 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
7253 if (!rdev->ops->get_mesh_config)
7257 /* If not connected, get default parameters */
7258 if (!wdev->mesh_id_len)
7259 memcpy(&cur_params, &default_mesh_config, sizeof(cur_params));
7261 err = rdev_get_mesh_config(rdev, dev, &cur_params);
7267 /* Draw up a netlink message to send back */
7268 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7271 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
7272 NL80211_CMD_GET_MESH_CONFIG);
7275 pinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_MESH_CONFIG);
7277 goto nla_put_failure;
7278 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
7279 nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT,
7280 cur_params.dot11MeshRetryTimeout) ||
7281 nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT,
7282 cur_params.dot11MeshConfirmTimeout) ||
7283 nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT,
7284 cur_params.dot11MeshHoldingTimeout) ||
7285 nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
7286 cur_params.dot11MeshMaxPeerLinks) ||
7287 nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES,
7288 cur_params.dot11MeshMaxRetries) ||
7289 nla_put_u8(msg, NL80211_MESHCONF_TTL,
7290 cur_params.dot11MeshTTL) ||
7291 nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL,
7292 cur_params.element_ttl) ||
7293 nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
7294 cur_params.auto_open_plinks) ||
7295 nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
7296 cur_params.dot11MeshNbrOffsetMaxNeighbor) ||
7297 nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
7298 cur_params.dot11MeshHWMPmaxPREQretries) ||
7299 nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME,
7300 cur_params.path_refresh_time) ||
7301 nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
7302 cur_params.min_discovery_timeout) ||
7303 nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
7304 cur_params.dot11MeshHWMPactivePathTimeout) ||
7305 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
7306 cur_params.dot11MeshHWMPpreqMinInterval) ||
7307 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
7308 cur_params.dot11MeshHWMPperrMinInterval) ||
7309 nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
7310 cur_params.dot11MeshHWMPnetDiameterTraversalTime) ||
7311 nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE,
7312 cur_params.dot11MeshHWMPRootMode) ||
7313 nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL,
7314 cur_params.dot11MeshHWMPRannInterval) ||
7315 nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
7316 cur_params.dot11MeshGateAnnouncementProtocol) ||
7317 nla_put_u8(msg, NL80211_MESHCONF_FORWARDING,
7318 cur_params.dot11MeshForwarding) ||
7319 nla_put_s32(msg, NL80211_MESHCONF_RSSI_THRESHOLD,
7320 cur_params.rssi_threshold) ||
7321 nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE,
7322 cur_params.ht_opmode) ||
7323 nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
7324 cur_params.dot11MeshHWMPactivePathToRootTimeout) ||
7325 nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
7326 cur_params.dot11MeshHWMProotInterval) ||
7327 nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
7328 cur_params.dot11MeshHWMPconfirmationInterval) ||
7329 nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE,
7330 cur_params.power_mode) ||
7331 nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW,
7332 cur_params.dot11MeshAwakeWindowDuration) ||
7333 nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT,
7334 cur_params.plink_timeout) ||
7335 nla_put_u8(msg, NL80211_MESHCONF_CONNECTED_TO_GATE,
7336 cur_params.dot11MeshConnectedToMeshGate) ||
7337 nla_put_u8(msg, NL80211_MESHCONF_NOLEARN,
7338 cur_params.dot11MeshNolearn) ||
7339 nla_put_u8(msg, NL80211_MESHCONF_CONNECTED_TO_AS,
7340 cur_params.dot11MeshConnectedToAuthServer))
7341 goto nla_put_failure;
7342 nla_nest_end(msg, pinfoattr);
7343 genlmsg_end(msg, hdr);
7344 return genlmsg_reply(msg, info);
7352 static const struct nla_policy
7353 nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = {
7354 [NL80211_MESHCONF_RETRY_TIMEOUT] =
7355 NLA_POLICY_RANGE(NLA_U16, 1, 255),
7356 [NL80211_MESHCONF_CONFIRM_TIMEOUT] =
7357 NLA_POLICY_RANGE(NLA_U16, 1, 255),
7358 [NL80211_MESHCONF_HOLDING_TIMEOUT] =
7359 NLA_POLICY_RANGE(NLA_U16, 1, 255),
7360 [NL80211_MESHCONF_MAX_PEER_LINKS] =
7361 NLA_POLICY_RANGE(NLA_U16, 0, 255),
7362 [NL80211_MESHCONF_MAX_RETRIES] = NLA_POLICY_MAX(NLA_U8, 16),
7363 [NL80211_MESHCONF_TTL] = NLA_POLICY_MIN(NLA_U8, 1),
7364 [NL80211_MESHCONF_ELEMENT_TTL] = NLA_POLICY_MIN(NLA_U8, 1),
7365 [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = NLA_POLICY_MAX(NLA_U8, 1),
7366 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] =
7367 NLA_POLICY_RANGE(NLA_U32, 1, 255),
7368 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 },
7369 [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 },
7370 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = NLA_POLICY_MIN(NLA_U16, 1),
7371 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 },
7372 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] =
7373 NLA_POLICY_MIN(NLA_U16, 1),
7374 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] =
7375 NLA_POLICY_MIN(NLA_U16, 1),
7376 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] =
7377 NLA_POLICY_MIN(NLA_U16, 1),
7378 [NL80211_MESHCONF_HWMP_ROOTMODE] = NLA_POLICY_MAX(NLA_U8, 4),
7379 [NL80211_MESHCONF_HWMP_RANN_INTERVAL] =
7380 NLA_POLICY_MIN(NLA_U16, 1),
7381 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = NLA_POLICY_MAX(NLA_U8, 1),
7382 [NL80211_MESHCONF_FORWARDING] = NLA_POLICY_MAX(NLA_U8, 1),
7383 [NL80211_MESHCONF_RSSI_THRESHOLD] =
7384 NLA_POLICY_RANGE(NLA_S32, -255, 0),
7385 [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 },
7386 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 },
7387 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] =
7388 NLA_POLICY_MIN(NLA_U16, 1),
7389 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] =
7390 NLA_POLICY_MIN(NLA_U16, 1),
7391 [NL80211_MESHCONF_POWER_MODE] =
7392 NLA_POLICY_RANGE(NLA_U32,
7393 NL80211_MESH_POWER_ACTIVE,
7394 NL80211_MESH_POWER_MAX),
7395 [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 },
7396 [NL80211_MESHCONF_PLINK_TIMEOUT] = { .type = NLA_U32 },
7397 [NL80211_MESHCONF_CONNECTED_TO_GATE] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
7398 [NL80211_MESHCONF_NOLEARN] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
7399 [NL80211_MESHCONF_CONNECTED_TO_AS] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
7402 static const struct nla_policy
7403 nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = {
7404 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 },
7405 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 },
7406 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 },
7407 [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG },
7408 [NL80211_MESH_SETUP_AUTH_PROTOCOL] = { .type = NLA_U8 },
7409 [NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG },
7410 [NL80211_MESH_SETUP_IE] =
7411 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
7412 IEEE80211_MAX_DATA_LEN),
7413 [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG },
7416 static int nl80211_parse_mesh_config(struct genl_info *info,
7417 struct mesh_config *cfg,
7420 struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1];
7424 #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, mask, attr, fn) \
7427 cfg->param = fn(tb[attr]); \
7428 mask |= BIT((attr) - 1); \
7432 if (!info->attrs[NL80211_ATTR_MESH_CONFIG])
7434 if (nla_parse_nested_deprecated(tb, NL80211_MESHCONF_ATTR_MAX, info->attrs[NL80211_ATTR_MESH_CONFIG], nl80211_meshconf_params_policy, info->extack))
7437 /* This makes sure that there aren't more than 32 mesh config
7438 * parameters (otherwise our bitfield scheme would not work.) */
7439 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32);
7441 /* Fill in the params struct */
7442 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, mask,
7443 NL80211_MESHCONF_RETRY_TIMEOUT, nla_get_u16);
7444 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, mask,
7445 NL80211_MESHCONF_CONFIRM_TIMEOUT,
7447 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, mask,
7448 NL80211_MESHCONF_HOLDING_TIMEOUT,
7450 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, mask,
7451 NL80211_MESHCONF_MAX_PEER_LINKS,
7453 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, mask,
7454 NL80211_MESHCONF_MAX_RETRIES, nla_get_u8);
7455 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, mask,
7456 NL80211_MESHCONF_TTL, nla_get_u8);
7457 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, mask,
7458 NL80211_MESHCONF_ELEMENT_TTL, nla_get_u8);
7459 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, mask,
7460 NL80211_MESHCONF_AUTO_OPEN_PLINKS,
7462 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor,
7464 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
7466 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, mask,
7467 NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
7469 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, mask,
7470 NL80211_MESHCONF_PATH_REFRESH_TIME,
7472 if (mask & BIT(NL80211_MESHCONF_PATH_REFRESH_TIME) &&
7473 (cfg->path_refresh_time < 1 || cfg->path_refresh_time > 65535))
7475 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, mask,
7476 NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
7478 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout,
7480 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
7482 if (mask & BIT(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT) &&
7483 (cfg->dot11MeshHWMPactivePathTimeout < 1 ||
7484 cfg->dot11MeshHWMPactivePathTimeout > 65535))
7486 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, mask,
7487 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
7489 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval, mask,
7490 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
7492 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
7493 dot11MeshHWMPnetDiameterTraversalTime, mask,
7494 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
7496 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, mask,
7497 NL80211_MESHCONF_HWMP_ROOTMODE, nla_get_u8);
7498 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, mask,
7499 NL80211_MESHCONF_HWMP_RANN_INTERVAL,
7501 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshGateAnnouncementProtocol,
7502 mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
7504 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, mask,
7505 NL80211_MESHCONF_FORWARDING, nla_get_u8);
7506 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, mask,
7507 NL80211_MESHCONF_RSSI_THRESHOLD,
7509 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConnectedToMeshGate, mask,
7510 NL80211_MESHCONF_CONNECTED_TO_GATE,
7512 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConnectedToAuthServer, mask,
7513 NL80211_MESHCONF_CONNECTED_TO_AS,
7516 * Check HT operation mode based on
7517 * IEEE 802.11-2016 9.4.2.57 HT Operation element.
7519 if (tb[NL80211_MESHCONF_HT_OPMODE]) {
7520 ht_opmode = nla_get_u16(tb[NL80211_MESHCONF_HT_OPMODE]);
7522 if (ht_opmode & ~(IEEE80211_HT_OP_MODE_PROTECTION |
7523 IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT |
7524 IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT))
7527 /* NON_HT_STA bit is reserved, but some programs set it */
7528 ht_opmode &= ~IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT;
7530 cfg->ht_opmode = ht_opmode;
7531 mask |= (1 << (NL80211_MESHCONF_HT_OPMODE - 1));
7533 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
7534 dot11MeshHWMPactivePathToRootTimeout, mask,
7535 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
7537 if (mask & BIT(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT) &&
7538 (cfg->dot11MeshHWMPactivePathToRootTimeout < 1 ||
7539 cfg->dot11MeshHWMPactivePathToRootTimeout > 65535))
7541 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, mask,
7542 NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
7544 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPconfirmationInterval,
7546 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
7548 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode, mask,
7549 NL80211_MESHCONF_POWER_MODE, nla_get_u32);
7550 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration, mask,
7551 NL80211_MESHCONF_AWAKE_WINDOW, nla_get_u16);
7552 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, plink_timeout, mask,
7553 NL80211_MESHCONF_PLINK_TIMEOUT, nla_get_u32);
7554 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNolearn, mask,
7555 NL80211_MESHCONF_NOLEARN, nla_get_u8);
7561 #undef FILL_IN_MESH_PARAM_IF_SET
7564 static int nl80211_parse_mesh_setup(struct genl_info *info,
7565 struct mesh_setup *setup)
7567 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7568 struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1];
7570 if (!info->attrs[NL80211_ATTR_MESH_SETUP])
7572 if (nla_parse_nested_deprecated(tb, NL80211_MESH_SETUP_ATTR_MAX, info->attrs[NL80211_ATTR_MESH_SETUP], nl80211_mesh_setup_params_policy, info->extack))
7575 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])
7576 setup->sync_method =
7577 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ?
7578 IEEE80211_SYNC_METHOD_VENDOR :
7579 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET;
7581 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])
7582 setup->path_sel_proto =
7583 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ?
7584 IEEE80211_PATH_PROTOCOL_VENDOR :
7585 IEEE80211_PATH_PROTOCOL_HWMP;
7587 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])
7588 setup->path_metric =
7589 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ?
7590 IEEE80211_PATH_METRIC_VENDOR :
7591 IEEE80211_PATH_METRIC_AIRTIME;
7593 if (tb[NL80211_MESH_SETUP_IE]) {
7594 struct nlattr *ieattr =
7595 tb[NL80211_MESH_SETUP_IE];
7596 setup->ie = nla_data(ieattr);
7597 setup->ie_len = nla_len(ieattr);
7599 if (tb[NL80211_MESH_SETUP_USERSPACE_MPM] &&
7600 !(rdev->wiphy.features & NL80211_FEATURE_USERSPACE_MPM))
7602 setup->user_mpm = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_MPM]);
7603 setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]);
7604 setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]);
7605 if (setup->is_secure)
7606 setup->user_mpm = true;
7608 if (tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]) {
7609 if (!setup->user_mpm)
7612 nla_get_u8(tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]);
7618 static int nl80211_update_mesh_config(struct sk_buff *skb,
7619 struct genl_info *info)
7621 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7622 struct net_device *dev = info->user_ptr[1];
7623 struct wireless_dev *wdev = dev->ieee80211_ptr;
7624 struct mesh_config cfg;
7628 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
7631 if (!rdev->ops->update_mesh_config)
7634 err = nl80211_parse_mesh_config(info, &cfg, &mask);
7639 if (!wdev->mesh_id_len)
7643 err = rdev_update_mesh_config(rdev, dev, mask, &cfg);
7650 static int nl80211_put_regdom(const struct ieee80211_regdomain *regdom,
7651 struct sk_buff *msg)
7653 struct nlattr *nl_reg_rules;
7656 if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, regdom->alpha2) ||
7657 (regdom->dfs_region &&
7658 nla_put_u8(msg, NL80211_ATTR_DFS_REGION, regdom->dfs_region)))
7659 goto nla_put_failure;
7661 nl_reg_rules = nla_nest_start_noflag(msg, NL80211_ATTR_REG_RULES);
7663 goto nla_put_failure;
7665 for (i = 0; i < regdom->n_reg_rules; i++) {
7666 struct nlattr *nl_reg_rule;
7667 const struct ieee80211_reg_rule *reg_rule;
7668 const struct ieee80211_freq_range *freq_range;
7669 const struct ieee80211_power_rule *power_rule;
7670 unsigned int max_bandwidth_khz;
7672 reg_rule = ®dom->reg_rules[i];
7673 freq_range = ®_rule->freq_range;
7674 power_rule = ®_rule->power_rule;
7676 nl_reg_rule = nla_nest_start_noflag(msg, i);
7678 goto nla_put_failure;
7680 max_bandwidth_khz = freq_range->max_bandwidth_khz;
7681 if (!max_bandwidth_khz)
7682 max_bandwidth_khz = reg_get_max_bandwidth(regdom,
7685 if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS,
7687 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START,
7688 freq_range->start_freq_khz) ||
7689 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END,
7690 freq_range->end_freq_khz) ||
7691 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW,
7692 max_bandwidth_khz) ||
7693 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN,
7694 power_rule->max_antenna_gain) ||
7695 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP,
7696 power_rule->max_eirp) ||
7697 nla_put_u32(msg, NL80211_ATTR_DFS_CAC_TIME,
7698 reg_rule->dfs_cac_ms))
7699 goto nla_put_failure;
7701 nla_nest_end(msg, nl_reg_rule);
7704 nla_nest_end(msg, nl_reg_rules);
7711 static int nl80211_get_reg_do(struct sk_buff *skb, struct genl_info *info)
7713 const struct ieee80211_regdomain *regdom = NULL;
7714 struct cfg80211_registered_device *rdev;
7715 struct wiphy *wiphy = NULL;
7716 struct sk_buff *msg;
7719 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7723 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
7724 NL80211_CMD_GET_REG);
7730 if (info->attrs[NL80211_ATTR_WIPHY]) {
7733 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
7737 return PTR_ERR(rdev);
7740 wiphy = &rdev->wiphy;
7741 self_managed = wiphy->regulatory_flags &
7742 REGULATORY_WIPHY_SELF_MANAGED;
7743 regdom = get_wiphy_regdom(wiphy);
7745 /* a self-managed-reg device must have a private regdom */
7746 if (WARN_ON(!regdom && self_managed)) {
7753 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
7754 goto nla_put_failure;
7757 if (!wiphy && reg_last_request_cell_base() &&
7758 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
7759 NL80211_USER_REG_HINT_CELL_BASE))
7760 goto nla_put_failure;
7765 regdom = rcu_dereference(cfg80211_regdomain);
7767 if (nl80211_put_regdom(regdom, msg))
7768 goto nla_put_failure_rcu;
7772 genlmsg_end(msg, hdr);
7774 return genlmsg_reply(msg, info);
7776 nla_put_failure_rcu:
7785 static int nl80211_send_regdom(struct sk_buff *msg, struct netlink_callback *cb,
7786 u32 seq, int flags, struct wiphy *wiphy,
7787 const struct ieee80211_regdomain *regdom)
7789 void *hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
7790 NL80211_CMD_GET_REG);
7795 genl_dump_check_consistent(cb, hdr);
7797 if (nl80211_put_regdom(regdom, msg))
7798 goto nla_put_failure;
7800 if (!wiphy && reg_last_request_cell_base() &&
7801 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
7802 NL80211_USER_REG_HINT_CELL_BASE))
7803 goto nla_put_failure;
7806 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
7807 goto nla_put_failure;
7809 if (wiphy && wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
7810 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
7811 goto nla_put_failure;
7813 genlmsg_end(msg, hdr);
7817 genlmsg_cancel(msg, hdr);
7821 static int nl80211_get_reg_dump(struct sk_buff *skb,
7822 struct netlink_callback *cb)
7824 const struct ieee80211_regdomain *regdom = NULL;
7825 struct cfg80211_registered_device *rdev;
7826 int err, reg_idx, start = cb->args[2];
7830 if (cfg80211_regdomain && start == 0) {
7831 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
7833 rtnl_dereference(cfg80211_regdomain));
7838 /* the global regdom is idx 0 */
7840 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
7841 regdom = get_wiphy_regdom(&rdev->wiphy);
7845 if (++reg_idx <= start)
7848 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
7849 NLM_F_MULTI, &rdev->wiphy, regdom);
7856 cb->args[2] = reg_idx;
7863 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
7864 static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = {
7865 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
7866 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
7867 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
7868 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
7869 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
7870 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
7871 [NL80211_ATTR_DFS_CAC_TIME] = { .type = NLA_U32 },
7874 static int parse_reg_rule(struct nlattr *tb[],
7875 struct ieee80211_reg_rule *reg_rule)
7877 struct ieee80211_freq_range *freq_range = ®_rule->freq_range;
7878 struct ieee80211_power_rule *power_rule = ®_rule->power_rule;
7880 if (!tb[NL80211_ATTR_REG_RULE_FLAGS])
7882 if (!tb[NL80211_ATTR_FREQ_RANGE_START])
7884 if (!tb[NL80211_ATTR_FREQ_RANGE_END])
7886 if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW])
7888 if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP])
7891 reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]);
7893 freq_range->start_freq_khz =
7894 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]);
7895 freq_range->end_freq_khz =
7896 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]);
7897 freq_range->max_bandwidth_khz =
7898 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]);
7900 power_rule->max_eirp =
7901 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]);
7903 if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN])
7904 power_rule->max_antenna_gain =
7905 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]);
7907 if (tb[NL80211_ATTR_DFS_CAC_TIME])
7908 reg_rule->dfs_cac_ms =
7909 nla_get_u32(tb[NL80211_ATTR_DFS_CAC_TIME]);
7914 static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info)
7916 struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1];
7917 struct nlattr *nl_reg_rule;
7919 int rem_reg_rules, r;
7920 u32 num_rules = 0, rule_idx = 0;
7921 enum nl80211_dfs_regions dfs_region = NL80211_DFS_UNSET;
7922 struct ieee80211_regdomain *rd;
7924 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
7927 if (!info->attrs[NL80211_ATTR_REG_RULES])
7930 alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
7932 if (info->attrs[NL80211_ATTR_DFS_REGION])
7933 dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]);
7935 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
7938 if (num_rules > NL80211_MAX_SUPP_REG_RULES)
7943 if (!reg_is_valid_request(alpha2)) {
7948 rd = kzalloc(struct_size(rd, reg_rules, num_rules), GFP_KERNEL);
7954 rd->n_reg_rules = num_rules;
7955 rd->alpha2[0] = alpha2[0];
7956 rd->alpha2[1] = alpha2[1];
7959 * Disable DFS master mode if the DFS region was
7960 * not supported or known on this kernel.
7962 if (reg_supported_dfs_region(dfs_region))
7963 rd->dfs_region = dfs_region;
7965 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
7967 r = nla_parse_nested_deprecated(tb, NL80211_REG_RULE_ATTR_MAX,
7968 nl_reg_rule, reg_rule_policy,
7972 r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]);
7978 if (rule_idx > NL80211_MAX_SUPP_REG_RULES) {
7984 r = set_regdom(rd, REGD_SOURCE_CRDA);
7985 /* set_regdom takes ownership of rd */
7993 #endif /* CONFIG_CFG80211_CRDA_SUPPORT */
7995 static int validate_scan_freqs(struct nlattr *freqs)
7997 struct nlattr *attr1, *attr2;
7998 int n_channels = 0, tmp1, tmp2;
8000 nla_for_each_nested(attr1, freqs, tmp1)
8001 if (nla_len(attr1) != sizeof(u32))
8004 nla_for_each_nested(attr1, freqs, tmp1) {
8007 * Some hardware has a limited channel list for
8008 * scanning, and it is pretty much nonsensical
8009 * to scan for a channel twice, so disallow that
8010 * and don't require drivers to check that the
8011 * channel list they get isn't longer than what
8012 * they can scan, as long as they can scan all
8013 * the channels they registered at once.
8015 nla_for_each_nested(attr2, freqs, tmp2)
8016 if (attr1 != attr2 &&
8017 nla_get_u32(attr1) == nla_get_u32(attr2))
8024 static bool is_band_valid(struct wiphy *wiphy, enum nl80211_band b)
8026 return b < NUM_NL80211_BANDS && wiphy->bands[b];
8029 static int parse_bss_select(struct nlattr *nla, struct wiphy *wiphy,
8030 struct cfg80211_bss_selection *bss_select)
8032 struct nlattr *attr[NL80211_BSS_SELECT_ATTR_MAX + 1];
8033 struct nlattr *nest;
8038 /* only process one nested attribute */
8039 nest = nla_data(nla);
8040 if (!nla_ok(nest, nla_len(nest)))
8043 err = nla_parse_nested_deprecated(attr, NL80211_BSS_SELECT_ATTR_MAX,
8044 nest, nl80211_bss_select_policy,
8049 /* only one attribute may be given */
8050 for (i = 0; i <= NL80211_BSS_SELECT_ATTR_MAX; i++) {
8058 bss_select->behaviour = __NL80211_BSS_SELECT_ATTR_INVALID;
8060 if (attr[NL80211_BSS_SELECT_ATTR_RSSI])
8061 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI;
8063 if (attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]) {
8064 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_BAND_PREF;
8065 bss_select->param.band_pref =
8066 nla_get_u32(attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]);
8067 if (!is_band_valid(wiphy, bss_select->param.band_pref))
8071 if (attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]) {
8072 struct nl80211_bss_select_rssi_adjust *adj_param;
8074 adj_param = nla_data(attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]);
8075 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI_ADJUST;
8076 bss_select->param.adjust.band = adj_param->band;
8077 bss_select->param.adjust.delta = adj_param->delta;
8078 if (!is_band_valid(wiphy, bss_select->param.adjust.band))
8082 /* user-space did not provide behaviour attribute */
8083 if (bss_select->behaviour == __NL80211_BSS_SELECT_ATTR_INVALID)
8086 if (!(wiphy->bss_select_support & BIT(bss_select->behaviour)))
8092 int nl80211_parse_random_mac(struct nlattr **attrs,
8093 u8 *mac_addr, u8 *mac_addr_mask)
8097 if (!attrs[NL80211_ATTR_MAC] && !attrs[NL80211_ATTR_MAC_MASK]) {
8098 eth_zero_addr(mac_addr);
8099 eth_zero_addr(mac_addr_mask);
8101 mac_addr_mask[0] = 0x3;
8106 /* need both or none */
8107 if (!attrs[NL80211_ATTR_MAC] || !attrs[NL80211_ATTR_MAC_MASK])
8110 memcpy(mac_addr, nla_data(attrs[NL80211_ATTR_MAC]), ETH_ALEN);
8111 memcpy(mac_addr_mask, nla_data(attrs[NL80211_ATTR_MAC_MASK]), ETH_ALEN);
8113 /* don't allow or configure an mcast address */
8114 if (!is_multicast_ether_addr(mac_addr_mask) ||
8115 is_multicast_ether_addr(mac_addr))
8119 * allow users to pass a MAC address that has bits set outside
8120 * of the mask, but don't bother drivers with having to deal
8123 for (i = 0; i < ETH_ALEN; i++)
8124 mac_addr[i] &= mac_addr_mask[i];
8129 static bool cfg80211_off_channel_oper_allowed(struct wireless_dev *wdev)
8131 ASSERT_WDEV_LOCK(wdev);
8133 if (!cfg80211_beaconing_iface_active(wdev))
8136 if (!(wdev->chandef.chan->flags & IEEE80211_CHAN_RADAR))
8139 return regulatory_pre_cac_allowed(wdev->wiphy);
8142 static bool nl80211_check_scan_feat(struct wiphy *wiphy, u32 flags, u32 flag,
8143 enum nl80211_ext_feature_index feat)
8145 if (!(flags & flag))
8147 if (wiphy_ext_feature_isset(wiphy, feat))
8153 nl80211_check_scan_flags(struct wiphy *wiphy, struct wireless_dev *wdev,
8154 void *request, struct nlattr **attrs,
8157 u8 *mac_addr, *mac_addr_mask;
8159 enum nl80211_feature_flags randomness_flag;
8161 if (!attrs[NL80211_ATTR_SCAN_FLAGS])
8164 if (is_sched_scan) {
8165 struct cfg80211_sched_scan_request *req = request;
8167 randomness_flag = wdev ?
8168 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR :
8169 NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
8170 flags = &req->flags;
8171 mac_addr = req->mac_addr;
8172 mac_addr_mask = req->mac_addr_mask;
8174 struct cfg80211_scan_request *req = request;
8176 randomness_flag = NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;
8177 flags = &req->flags;
8178 mac_addr = req->mac_addr;
8179 mac_addr_mask = req->mac_addr_mask;
8182 *flags = nla_get_u32(attrs[NL80211_ATTR_SCAN_FLAGS]);
8184 if (((*flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
8185 !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) ||
8186 !nl80211_check_scan_feat(wiphy, *flags,
8187 NL80211_SCAN_FLAG_LOW_SPAN,
8188 NL80211_EXT_FEATURE_LOW_SPAN_SCAN) ||
8189 !nl80211_check_scan_feat(wiphy, *flags,
8190 NL80211_SCAN_FLAG_LOW_POWER,
8191 NL80211_EXT_FEATURE_LOW_POWER_SCAN) ||
8192 !nl80211_check_scan_feat(wiphy, *flags,
8193 NL80211_SCAN_FLAG_HIGH_ACCURACY,
8194 NL80211_EXT_FEATURE_HIGH_ACCURACY_SCAN) ||
8195 !nl80211_check_scan_feat(wiphy, *flags,
8196 NL80211_SCAN_FLAG_FILS_MAX_CHANNEL_TIME,
8197 NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME) ||
8198 !nl80211_check_scan_feat(wiphy, *flags,
8199 NL80211_SCAN_FLAG_ACCEPT_BCAST_PROBE_RESP,
8200 NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP) ||
8201 !nl80211_check_scan_feat(wiphy, *flags,
8202 NL80211_SCAN_FLAG_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION,
8203 NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION) ||
8204 !nl80211_check_scan_feat(wiphy, *flags,
8205 NL80211_SCAN_FLAG_OCE_PROBE_REQ_HIGH_TX_RATE,
8206 NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE) ||
8207 !nl80211_check_scan_feat(wiphy, *flags,
8208 NL80211_SCAN_FLAG_RANDOM_SN,
8209 NL80211_EXT_FEATURE_SCAN_RANDOM_SN) ||
8210 !nl80211_check_scan_feat(wiphy, *flags,
8211 NL80211_SCAN_FLAG_MIN_PREQ_CONTENT,
8212 NL80211_EXT_FEATURE_SCAN_MIN_PREQ_CONTENT))
8215 if (*flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
8218 if (!(wiphy->features & randomness_flag) ||
8219 (wdev && wdev->current_bss))
8222 err = nl80211_parse_random_mac(attrs, mac_addr, mac_addr_mask);
8230 static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
8232 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8233 struct wireless_dev *wdev = info->user_ptr[1];
8234 struct cfg80211_scan_request *request;
8235 struct nlattr *scan_freqs = NULL;
8236 bool scan_freqs_khz = false;
8237 struct nlattr *attr;
8238 struct wiphy *wiphy;
8239 int err, tmp, n_ssids = 0, n_channels, i;
8242 wiphy = &rdev->wiphy;
8244 if (wdev->iftype == NL80211_IFTYPE_NAN)
8247 if (!rdev->ops->scan)
8250 if (rdev->scan_req || rdev->scan_msg)
8253 if (info->attrs[NL80211_ATTR_SCAN_FREQ_KHZ]) {
8254 if (!wiphy_ext_feature_isset(wiphy,
8255 NL80211_EXT_FEATURE_SCAN_FREQ_KHZ))
8257 scan_freqs = info->attrs[NL80211_ATTR_SCAN_FREQ_KHZ];
8258 scan_freqs_khz = true;
8259 } else if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES])
8260 scan_freqs = info->attrs[NL80211_ATTR_SCAN_FREQUENCIES];
8263 n_channels = validate_scan_freqs(scan_freqs);
8267 n_channels = ieee80211_get_num_supported_channels(wiphy);
8270 if (info->attrs[NL80211_ATTR_SCAN_SSIDS])
8271 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp)
8274 if (n_ssids > wiphy->max_scan_ssids)
8277 if (info->attrs[NL80211_ATTR_IE])
8278 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
8282 if (ie_len > wiphy->max_scan_ie_len)
8285 request = kzalloc(sizeof(*request)
8286 + sizeof(*request->ssids) * n_ssids
8287 + sizeof(*request->channels) * n_channels
8288 + ie_len, GFP_KERNEL);
8293 request->ssids = (void *)&request->channels[n_channels];
8294 request->n_ssids = n_ssids;
8297 request->ie = (void *)(request->ssids + n_ssids);
8299 request->ie = (void *)(request->channels + n_channels);
8304 /* user specified, bail out if channel not found */
8305 nla_for_each_nested(attr, scan_freqs, tmp) {
8306 struct ieee80211_channel *chan;
8307 int freq = nla_get_u32(attr);
8309 if (!scan_freqs_khz)
8310 freq = MHZ_TO_KHZ(freq);
8312 chan = ieee80211_get_channel_khz(wiphy, freq);
8318 /* ignore disabled channels */
8319 if (chan->flags & IEEE80211_CHAN_DISABLED)
8322 request->channels[i] = chan;
8326 enum nl80211_band band;
8329 for (band = 0; band < NUM_NL80211_BANDS; band++) {
8332 if (!wiphy->bands[band])
8334 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
8335 struct ieee80211_channel *chan;
8337 chan = &wiphy->bands[band]->channels[j];
8339 if (chan->flags & IEEE80211_CHAN_DISABLED)
8342 request->channels[i] = chan;
8353 request->n_channels = i;
8356 if (!cfg80211_off_channel_oper_allowed(wdev)) {
8357 struct ieee80211_channel *chan;
8359 if (request->n_channels != 1) {
8365 chan = request->channels[0];
8366 if (chan->center_freq != wdev->chandef.chan->center_freq) {
8376 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) {
8377 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
8381 request->ssids[i].ssid_len = nla_len(attr);
8382 memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr));
8387 if (info->attrs[NL80211_ATTR_IE]) {
8388 request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
8389 memcpy((void *)request->ie,
8390 nla_data(info->attrs[NL80211_ATTR_IE]),
8394 for (i = 0; i < NUM_NL80211_BANDS; i++)
8395 if (wiphy->bands[i])
8397 (1 << wiphy->bands[i]->n_bitrates) - 1;
8399 if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) {
8400 nla_for_each_nested(attr,
8401 info->attrs[NL80211_ATTR_SCAN_SUPP_RATES],
8403 enum nl80211_band band = nla_type(attr);
8405 if (band < 0 || band >= NUM_NL80211_BANDS) {
8410 if (!wiphy->bands[band])
8413 err = ieee80211_get_ratemask(wiphy->bands[band],
8416 &request->rates[band]);
8422 if (info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]) {
8424 nla_get_u16(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]);
8425 request->duration_mandatory =
8426 nla_get_flag(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY]);
8429 err = nl80211_check_scan_flags(wiphy, wdev, request, info->attrs,
8435 nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
8437 /* Initial implementation used NL80211_ATTR_MAC to set the specific
8438 * BSSID to scan for. This was problematic because that same attribute
8439 * was already used for another purpose (local random MAC address). The
8440 * NL80211_ATTR_BSSID attribute was added to fix this. For backwards
8441 * compatibility with older userspace components, also use the
8442 * NL80211_ATTR_MAC value here if it can be determined to be used for
8443 * the specific BSSID use case instead of the random MAC address
8444 * (NL80211_ATTR_SCAN_FLAGS is used to enable random MAC address use).
8446 if (info->attrs[NL80211_ATTR_BSSID])
8447 memcpy(request->bssid,
8448 nla_data(info->attrs[NL80211_ATTR_BSSID]), ETH_ALEN);
8449 else if (!(request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) &&
8450 info->attrs[NL80211_ATTR_MAC])
8451 memcpy(request->bssid, nla_data(info->attrs[NL80211_ATTR_MAC]),
8454 eth_broadcast_addr(request->bssid);
8456 request->wdev = wdev;
8457 request->wiphy = &rdev->wiphy;
8458 request->scan_start = jiffies;
8460 rdev->scan_req = request;
8461 err = cfg80211_scan(rdev);
8466 nl80211_send_scan_start(rdev, wdev);
8468 dev_hold(wdev->netdev);
8473 rdev->scan_req = NULL;
8479 static int nl80211_abort_scan(struct sk_buff *skb, struct genl_info *info)
8481 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8482 struct wireless_dev *wdev = info->user_ptr[1];
8484 if (!rdev->ops->abort_scan)
8490 if (!rdev->scan_req)
8493 rdev_abort_scan(rdev, wdev);
8498 nl80211_parse_sched_scan_plans(struct wiphy *wiphy, int n_plans,
8499 struct cfg80211_sched_scan_request *request,
8500 struct nlattr **attrs)
8502 int tmp, err, i = 0;
8503 struct nlattr *attr;
8505 if (!attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
8509 * If scan plans are not specified,
8510 * %NL80211_ATTR_SCHED_SCAN_INTERVAL will be specified. In this
8511 * case one scan plan will be set with the specified scan
8512 * interval and infinite number of iterations.
8514 interval = nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]);
8518 request->scan_plans[0].interval =
8519 DIV_ROUND_UP(interval, MSEC_PER_SEC);
8520 if (!request->scan_plans[0].interval)
8523 if (request->scan_plans[0].interval >
8524 wiphy->max_sched_scan_plan_interval)
8525 request->scan_plans[0].interval =
8526 wiphy->max_sched_scan_plan_interval;
8531 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp) {
8532 struct nlattr *plan[NL80211_SCHED_SCAN_PLAN_MAX + 1];
8534 if (WARN_ON(i >= n_plans))
8537 err = nla_parse_nested_deprecated(plan,
8538 NL80211_SCHED_SCAN_PLAN_MAX,
8539 attr, nl80211_plan_policy,
8544 if (!plan[NL80211_SCHED_SCAN_PLAN_INTERVAL])
8547 request->scan_plans[i].interval =
8548 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_INTERVAL]);
8549 if (!request->scan_plans[i].interval ||
8550 request->scan_plans[i].interval >
8551 wiphy->max_sched_scan_plan_interval)
8554 if (plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]) {
8555 request->scan_plans[i].iterations =
8556 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]);
8557 if (!request->scan_plans[i].iterations ||
8558 (request->scan_plans[i].iterations >
8559 wiphy->max_sched_scan_plan_iterations))
8561 } else if (i < n_plans - 1) {
8563 * All scan plans but the last one must specify
8564 * a finite number of iterations
8573 * The last scan plan must not specify the number of
8574 * iterations, it is supposed to run infinitely
8576 if (request->scan_plans[n_plans - 1].iterations)
8583 nl80211_parse_sched_scan_per_band_rssi(struct wiphy *wiphy,
8584 struct cfg80211_match_set *match_sets,
8585 struct nlattr *tb_band_rssi,
8588 struct nlattr *attr;
8589 int i, tmp, ret = 0;
8591 if (!wiphy_ext_feature_isset(wiphy,
8592 NL80211_EXT_FEATURE_SCHED_SCAN_BAND_SPECIFIC_RSSI_THOLD)) {
8596 for (i = 0; i < NUM_NL80211_BANDS; i++)
8597 match_sets->per_band_rssi_thold[i] =
8598 NL80211_SCAN_RSSI_THOLD_OFF;
8602 for (i = 0; i < NUM_NL80211_BANDS; i++)
8603 match_sets->per_band_rssi_thold[i] = rssi_thold;
8605 nla_for_each_nested(attr, tb_band_rssi, tmp) {
8606 enum nl80211_band band = nla_type(attr);
8608 if (band < 0 || band >= NUM_NL80211_BANDS)
8611 match_sets->per_band_rssi_thold[band] = nla_get_s32(attr);
8617 static struct cfg80211_sched_scan_request *
8618 nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev,
8619 struct nlattr **attrs, int max_match_sets)
8621 struct cfg80211_sched_scan_request *request;
8622 struct nlattr *attr;
8623 int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i, n_plans = 0;
8624 enum nl80211_band band;
8626 struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1];
8627 s32 default_match_rssi = NL80211_SCAN_RSSI_THOLD_OFF;
8629 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
8630 n_channels = validate_scan_freqs(
8631 attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
8633 return ERR_PTR(-EINVAL);
8635 n_channels = ieee80211_get_num_supported_channels(wiphy);
8638 if (attrs[NL80211_ATTR_SCAN_SSIDS])
8639 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
8643 if (n_ssids > wiphy->max_sched_scan_ssids)
8644 return ERR_PTR(-EINVAL);
8647 * First, count the number of 'real' matchsets. Due to an issue with
8648 * the old implementation, matchsets containing only the RSSI attribute
8649 * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default'
8650 * RSSI for all matchsets, rather than their own matchset for reporting
8651 * all APs with a strong RSSI. This is needed to be compatible with
8652 * older userspace that treated a matchset with only the RSSI as the
8653 * global RSSI for all other matchsets - if there are other matchsets.
8655 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
8656 nla_for_each_nested(attr,
8657 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
8659 struct nlattr *rssi;
8661 err = nla_parse_nested_deprecated(tb,
8662 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
8664 nl80211_match_policy,
8667 return ERR_PTR(err);
8669 /* SSID and BSSID are mutually exclusive */
8670 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] &&
8671 tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID])
8672 return ERR_PTR(-EINVAL);
8674 /* add other standalone attributes here */
8675 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] ||
8676 tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID]) {
8680 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
8682 default_match_rssi = nla_get_s32(rssi);
8686 /* However, if there's no other matchset, add the RSSI one */
8687 if (!n_match_sets && default_match_rssi != NL80211_SCAN_RSSI_THOLD_OFF)
8690 if (n_match_sets > max_match_sets)
8691 return ERR_PTR(-EINVAL);
8693 if (attrs[NL80211_ATTR_IE])
8694 ie_len = nla_len(attrs[NL80211_ATTR_IE]);
8698 if (ie_len > wiphy->max_sched_scan_ie_len)
8699 return ERR_PTR(-EINVAL);
8701 if (attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
8703 * NL80211_ATTR_SCHED_SCAN_INTERVAL must not be specified since
8704 * each scan plan already specifies its own interval
8706 if (attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
8707 return ERR_PTR(-EINVAL);
8709 nla_for_each_nested(attr,
8710 attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp)
8714 * The scan interval attribute is kept for backward
8715 * compatibility. If no scan plans are specified and sched scan
8716 * interval is specified, one scan plan will be set with this
8717 * scan interval and infinite number of iterations.
8719 if (!attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
8720 return ERR_PTR(-EINVAL);
8725 if (!n_plans || n_plans > wiphy->max_sched_scan_plans)
8726 return ERR_PTR(-EINVAL);
8728 if (!wiphy_ext_feature_isset(
8729 wiphy, NL80211_EXT_FEATURE_SCHED_SCAN_RELATIVE_RSSI) &&
8730 (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] ||
8731 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]))
8732 return ERR_PTR(-EINVAL);
8734 request = kzalloc(sizeof(*request)
8735 + sizeof(*request->ssids) * n_ssids
8736 + sizeof(*request->match_sets) * n_match_sets
8737 + sizeof(*request->scan_plans) * n_plans
8738 + sizeof(*request->channels) * n_channels
8739 + ie_len, GFP_KERNEL);
8741 return ERR_PTR(-ENOMEM);
8744 request->ssids = (void *)&request->channels[n_channels];
8745 request->n_ssids = n_ssids;
8748 request->ie = (void *)(request->ssids + n_ssids);
8750 request->ie = (void *)(request->channels + n_channels);
8755 request->match_sets = (void *)(request->ie + ie_len);
8757 request->match_sets =
8758 (void *)(request->ssids + n_ssids);
8760 request->match_sets =
8761 (void *)(request->channels + n_channels);
8763 request->n_match_sets = n_match_sets;
8766 request->scan_plans = (void *)(request->match_sets +
8768 else if (request->ie)
8769 request->scan_plans = (void *)(request->ie + ie_len);
8771 request->scan_plans = (void *)(request->ssids + n_ssids);
8773 request->scan_plans = (void *)(request->channels + n_channels);
8775 request->n_scan_plans = n_plans;
8778 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
8779 /* user specified, bail out if channel not found */
8780 nla_for_each_nested(attr,
8781 attrs[NL80211_ATTR_SCAN_FREQUENCIES],
8783 struct ieee80211_channel *chan;
8785 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
8792 /* ignore disabled channels */
8793 if (chan->flags & IEEE80211_CHAN_DISABLED)
8796 request->channels[i] = chan;
8801 for (band = 0; band < NUM_NL80211_BANDS; band++) {
8804 if (!wiphy->bands[band])
8806 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
8807 struct ieee80211_channel *chan;
8809 chan = &wiphy->bands[band]->channels[j];
8811 if (chan->flags & IEEE80211_CHAN_DISABLED)
8814 request->channels[i] = chan;
8825 request->n_channels = i;
8829 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
8831 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
8835 request->ssids[i].ssid_len = nla_len(attr);
8836 memcpy(request->ssids[i].ssid, nla_data(attr),
8843 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
8844 nla_for_each_nested(attr,
8845 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
8847 struct nlattr *ssid, *bssid, *rssi;
8849 err = nla_parse_nested_deprecated(tb,
8850 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
8852 nl80211_match_policy,
8856 ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID];
8857 bssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID];
8859 if (!ssid && !bssid) {
8864 if (WARN_ON(i >= n_match_sets)) {
8865 /* this indicates a programming error,
8866 * the loop above should have verified
8874 memcpy(request->match_sets[i].ssid.ssid,
8875 nla_data(ssid), nla_len(ssid));
8876 request->match_sets[i].ssid.ssid_len =
8880 memcpy(request->match_sets[i].bssid,
8881 nla_data(bssid), ETH_ALEN);
8883 /* special attribute - old implementation w/a */
8884 request->match_sets[i].rssi_thold = default_match_rssi;
8885 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
8887 request->match_sets[i].rssi_thold =
8890 /* Parse per band RSSI attribute */
8891 err = nl80211_parse_sched_scan_per_band_rssi(wiphy,
8892 &request->match_sets[i],
8893 tb[NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI],
8894 request->match_sets[i].rssi_thold);
8901 /* there was no other matchset, so the RSSI one is alone */
8902 if (i == 0 && n_match_sets)
8903 request->match_sets[0].rssi_thold = default_match_rssi;
8905 request->min_rssi_thold = INT_MAX;
8906 for (i = 0; i < n_match_sets; i++)
8907 request->min_rssi_thold =
8908 min(request->match_sets[i].rssi_thold,
8909 request->min_rssi_thold);
8911 request->min_rssi_thold = NL80211_SCAN_RSSI_THOLD_OFF;
8915 request->ie_len = ie_len;
8916 memcpy((void *)request->ie,
8917 nla_data(attrs[NL80211_ATTR_IE]),
8921 err = nl80211_check_scan_flags(wiphy, wdev, request, attrs, true);
8925 if (attrs[NL80211_ATTR_SCHED_SCAN_DELAY])
8927 nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_DELAY]);
8929 if (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]) {
8930 request->relative_rssi = nla_get_s8(
8931 attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]);
8932 request->relative_rssi_set = true;
8935 if (request->relative_rssi_set &&
8936 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]) {
8937 struct nl80211_bss_select_rssi_adjust *rssi_adjust;
8939 rssi_adjust = nla_data(
8940 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]);
8941 request->rssi_adjust.band = rssi_adjust->band;
8942 request->rssi_adjust.delta = rssi_adjust->delta;
8943 if (!is_band_valid(wiphy, request->rssi_adjust.band)) {
8949 err = nl80211_parse_sched_scan_plans(wiphy, n_plans, request, attrs);
8953 request->scan_start = jiffies;
8959 return ERR_PTR(err);
8962 static int nl80211_start_sched_scan(struct sk_buff *skb,
8963 struct genl_info *info)
8965 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8966 struct net_device *dev = info->user_ptr[1];
8967 struct wireless_dev *wdev = dev->ieee80211_ptr;
8968 struct cfg80211_sched_scan_request *sched_scan_req;
8972 if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_start)
8975 want_multi = info->attrs[NL80211_ATTR_SCHED_SCAN_MULTI];
8976 err = cfg80211_sched_scan_req_possible(rdev, want_multi);
8980 sched_scan_req = nl80211_parse_sched_scan(&rdev->wiphy, wdev,
8982 rdev->wiphy.max_match_sets);
8984 err = PTR_ERR_OR_ZERO(sched_scan_req);
8988 /* leave request id zero for legacy request
8989 * or if driver does not support multi-scheduled scan
8991 if (want_multi && rdev->wiphy.max_sched_scan_reqs > 1)
8992 sched_scan_req->reqid = cfg80211_assign_cookie(rdev);
8994 err = rdev_sched_scan_start(rdev, dev, sched_scan_req);
8998 sched_scan_req->dev = dev;
8999 sched_scan_req->wiphy = &rdev->wiphy;
9001 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
9002 sched_scan_req->owner_nlportid = info->snd_portid;
9004 cfg80211_add_sched_scan_req(rdev, sched_scan_req);
9006 nl80211_send_sched_scan(sched_scan_req, NL80211_CMD_START_SCHED_SCAN);
9010 kfree(sched_scan_req);
9015 static int nl80211_stop_sched_scan(struct sk_buff *skb,
9016 struct genl_info *info)
9018 struct cfg80211_sched_scan_request *req;
9019 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9022 if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_stop)
9025 if (info->attrs[NL80211_ATTR_COOKIE]) {
9026 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
9027 return __cfg80211_stop_sched_scan(rdev, cookie, false);
9030 req = list_first_or_null_rcu(&rdev->sched_scan_req_list,
9031 struct cfg80211_sched_scan_request,
9033 if (!req || req->reqid ||
9034 (req->owner_nlportid &&
9035 req->owner_nlportid != info->snd_portid))
9038 return cfg80211_stop_sched_scan_req(rdev, req, false);
9041 static int nl80211_start_radar_detection(struct sk_buff *skb,
9042 struct genl_info *info)
9044 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9045 struct net_device *dev = info->user_ptr[1];
9046 struct wireless_dev *wdev = dev->ieee80211_ptr;
9047 struct wiphy *wiphy = wdev->wiphy;
9048 struct cfg80211_chan_def chandef;
9049 enum nl80211_dfs_regions dfs_region;
9050 unsigned int cac_time_ms;
9053 dfs_region = reg_get_dfs_region(wiphy);
9054 if (dfs_region == NL80211_DFS_UNSET)
9057 err = nl80211_parse_chandef(rdev, info, &chandef);
9061 if (netif_carrier_ok(dev))
9064 if (wdev->cac_started)
9067 err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype);
9074 if (!cfg80211_chandef_dfs_usable(wiphy, &chandef))
9077 /* CAC start is offloaded to HW and can't be started manually */
9078 if (wiphy_ext_feature_isset(wiphy, NL80211_EXT_FEATURE_DFS_OFFLOAD))
9081 if (!rdev->ops->start_radar_detection)
9084 cac_time_ms = cfg80211_chandef_dfs_cac_time(&rdev->wiphy, &chandef);
9085 if (WARN_ON(!cac_time_ms))
9086 cac_time_ms = IEEE80211_DFS_MIN_CAC_TIME_MS;
9088 err = rdev_start_radar_detection(rdev, dev, &chandef, cac_time_ms);
9090 wdev->chandef = chandef;
9091 wdev->cac_started = true;
9092 wdev->cac_start_time = jiffies;
9093 wdev->cac_time_ms = cac_time_ms;
9098 static int nl80211_notify_radar_detection(struct sk_buff *skb,
9099 struct genl_info *info)
9101 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9102 struct net_device *dev = info->user_ptr[1];
9103 struct wireless_dev *wdev = dev->ieee80211_ptr;
9104 struct wiphy *wiphy = wdev->wiphy;
9105 struct cfg80211_chan_def chandef;
9106 enum nl80211_dfs_regions dfs_region;
9109 dfs_region = reg_get_dfs_region(wiphy);
9110 if (dfs_region == NL80211_DFS_UNSET) {
9111 GENL_SET_ERR_MSG(info,
9112 "DFS Region is not set. Unexpected Radar indication");
9116 err = nl80211_parse_chandef(rdev, info, &chandef);
9118 GENL_SET_ERR_MSG(info, "Unable to extract chandef info");
9122 err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype);
9124 GENL_SET_ERR_MSG(info, "chandef is invalid");
9129 GENL_SET_ERR_MSG(info,
9130 "Unexpected Radar indication for chandef/iftype");
9134 /* Do not process this notification if radar is already detected
9135 * by kernel on this channel, and return success.
9137 if (chandef.chan->dfs_state == NL80211_DFS_UNAVAILABLE)
9140 cfg80211_set_dfs_state(wiphy, &chandef, NL80211_DFS_UNAVAILABLE);
9142 cfg80211_sched_dfs_chan_update(rdev);
9144 rdev->radar_chandef = chandef;
9146 /* Propagate this notification to other radios as well */
9147 queue_work(cfg80211_wq, &rdev->propagate_radar_detect_wk);
9152 static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info)
9154 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9155 struct net_device *dev = info->user_ptr[1];
9156 struct wireless_dev *wdev = dev->ieee80211_ptr;
9157 struct cfg80211_csa_settings params;
9158 struct nlattr **csa_attrs = NULL;
9160 bool need_new_beacon = false;
9161 bool need_handle_dfs_flag = true;
9165 if (!rdev->ops->channel_switch ||
9166 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH))
9169 switch (dev->ieee80211_ptr->iftype) {
9170 case NL80211_IFTYPE_AP:
9171 case NL80211_IFTYPE_P2P_GO:
9172 need_new_beacon = true;
9173 /* For all modes except AP the handle_dfs flag needs to be
9174 * supplied to tell the kernel that userspace will handle radar
9175 * events when they happen. Otherwise a switch to a channel
9176 * requiring DFS will be rejected.
9178 need_handle_dfs_flag = false;
9180 /* useless if AP is not running */
9181 if (!wdev->beacon_interval)
9184 case NL80211_IFTYPE_ADHOC:
9185 if (!wdev->ssid_len)
9188 case NL80211_IFTYPE_MESH_POINT:
9189 if (!wdev->mesh_id_len)
9196 memset(¶ms, 0, sizeof(params));
9197 params.beacon_csa.ftm_responder = -1;
9199 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
9200 !info->attrs[NL80211_ATTR_CH_SWITCH_COUNT])
9203 /* only important for AP, IBSS and mesh create IEs internally */
9204 if (need_new_beacon && !info->attrs[NL80211_ATTR_CSA_IES])
9207 /* Even though the attribute is u32, the specification says
9208 * u8, so let's make sure we don't overflow.
9210 cs_count = nla_get_u32(info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]);
9214 params.count = cs_count;
9216 if (!need_new_beacon)
9219 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms.beacon_after);
9223 csa_attrs = kcalloc(NL80211_ATTR_MAX + 1, sizeof(*csa_attrs),
9228 err = nla_parse_nested_deprecated(csa_attrs, NL80211_ATTR_MAX,
9229 info->attrs[NL80211_ATTR_CSA_IES],
9230 nl80211_policy, info->extack);
9234 err = nl80211_parse_beacon(rdev, csa_attrs, ¶ms.beacon_csa);
9238 if (!csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON]) {
9243 len = nla_len(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON]);
9244 if (!len || (len % sizeof(u16))) {
9249 params.n_counter_offsets_beacon = len / sizeof(u16);
9250 if (rdev->wiphy.max_num_csa_counters &&
9251 (params.n_counter_offsets_beacon >
9252 rdev->wiphy.max_num_csa_counters)) {
9257 params.counter_offsets_beacon =
9258 nla_data(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON]);
9260 /* sanity checks - counters should fit and be the same */
9261 for (i = 0; i < params.n_counter_offsets_beacon; i++) {
9262 u16 offset = params.counter_offsets_beacon[i];
9264 if (offset >= params.beacon_csa.tail_len) {
9269 if (params.beacon_csa.tail[offset] != params.count) {
9275 if (csa_attrs[NL80211_ATTR_CNTDWN_OFFS_PRESP]) {
9276 len = nla_len(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_PRESP]);
9277 if (!len || (len % sizeof(u16))) {
9282 params.n_counter_offsets_presp = len / sizeof(u16);
9283 if (rdev->wiphy.max_num_csa_counters &&
9284 (params.n_counter_offsets_presp >
9285 rdev->wiphy.max_num_csa_counters)) {
9290 params.counter_offsets_presp =
9291 nla_data(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_PRESP]);
9293 /* sanity checks - counters should fit and be the same */
9294 for (i = 0; i < params.n_counter_offsets_presp; i++) {
9295 u16 offset = params.counter_offsets_presp[i];
9297 if (offset >= params.beacon_csa.probe_resp_len) {
9302 if (params.beacon_csa.probe_resp[offset] !=
9311 err = nl80211_parse_chandef(rdev, info, ¶ms.chandef);
9315 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef,
9321 err = cfg80211_chandef_dfs_required(wdev->wiphy,
9328 params.radar_required = true;
9329 if (need_handle_dfs_flag &&
9330 !nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS])) {
9336 if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX])
9337 params.block_tx = true;
9340 err = rdev_channel_switch(rdev, dev, ¶ms);
9348 static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
9350 struct cfg80211_registered_device *rdev,
9351 struct wireless_dev *wdev,
9352 struct cfg80211_internal_bss *intbss)
9354 struct cfg80211_bss *res = &intbss->pub;
9355 const struct cfg80211_bss_ies *ies;
9359 ASSERT_WDEV_LOCK(wdev);
9361 hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
9362 NL80211_CMD_NEW_SCAN_RESULTS);
9366 genl_dump_check_consistent(cb, hdr);
9368 if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation))
9369 goto nla_put_failure;
9371 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex))
9372 goto nla_put_failure;
9373 if (nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
9375 goto nla_put_failure;
9377 bss = nla_nest_start_noflag(msg, NL80211_ATTR_BSS);
9379 goto nla_put_failure;
9380 if ((!is_zero_ether_addr(res->bssid) &&
9381 nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid)))
9382 goto nla_put_failure;
9385 /* indicate whether we have probe response data or not */
9386 if (rcu_access_pointer(res->proberesp_ies) &&
9387 nla_put_flag(msg, NL80211_BSS_PRESP_DATA))
9388 goto fail_unlock_rcu;
9390 /* this pointer prefers to be pointed to probe response data
9391 * but is always valid
9393 ies = rcu_dereference(res->ies);
9395 if (nla_put_u64_64bit(msg, NL80211_BSS_TSF, ies->tsf,
9397 goto fail_unlock_rcu;
9398 if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS,
9399 ies->len, ies->data))
9400 goto fail_unlock_rcu;
9403 /* and this pointer is always (unless driver didn't know) beacon data */
9404 ies = rcu_dereference(res->beacon_ies);
9405 if (ies && ies->from_beacon) {
9406 if (nla_put_u64_64bit(msg, NL80211_BSS_BEACON_TSF, ies->tsf,
9408 goto fail_unlock_rcu;
9409 if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES,
9410 ies->len, ies->data))
9411 goto fail_unlock_rcu;
9415 if (res->beacon_interval &&
9416 nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval))
9417 goto nla_put_failure;
9418 if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) ||
9419 nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) ||
9420 nla_put_u32(msg, NL80211_BSS_FREQUENCY_OFFSET,
9421 res->channel->freq_offset) ||
9422 nla_put_u32(msg, NL80211_BSS_CHAN_WIDTH, res->scan_width) ||
9423 nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO,
9424 jiffies_to_msecs(jiffies - intbss->ts)))
9425 goto nla_put_failure;
9427 if (intbss->parent_tsf &&
9428 (nla_put_u64_64bit(msg, NL80211_BSS_PARENT_TSF,
9429 intbss->parent_tsf, NL80211_BSS_PAD) ||
9430 nla_put(msg, NL80211_BSS_PARENT_BSSID, ETH_ALEN,
9431 intbss->parent_bssid)))
9432 goto nla_put_failure;
9434 if (intbss->ts_boottime &&
9435 nla_put_u64_64bit(msg, NL80211_BSS_LAST_SEEN_BOOTTIME,
9436 intbss->ts_boottime, NL80211_BSS_PAD))
9437 goto nla_put_failure;
9439 if (!nl80211_put_signal(msg, intbss->pub.chains,
9440 intbss->pub.chain_signal,
9441 NL80211_BSS_CHAIN_SIGNAL))
9442 goto nla_put_failure;
9444 switch (rdev->wiphy.signal_type) {
9445 case CFG80211_SIGNAL_TYPE_MBM:
9446 if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal))
9447 goto nla_put_failure;
9449 case CFG80211_SIGNAL_TYPE_UNSPEC:
9450 if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal))
9451 goto nla_put_failure;
9457 switch (wdev->iftype) {
9458 case NL80211_IFTYPE_P2P_CLIENT:
9459 case NL80211_IFTYPE_STATION:
9460 if (intbss == wdev->current_bss &&
9461 nla_put_u32(msg, NL80211_BSS_STATUS,
9462 NL80211_BSS_STATUS_ASSOCIATED))
9463 goto nla_put_failure;
9465 case NL80211_IFTYPE_ADHOC:
9466 if (intbss == wdev->current_bss &&
9467 nla_put_u32(msg, NL80211_BSS_STATUS,
9468 NL80211_BSS_STATUS_IBSS_JOINED))
9469 goto nla_put_failure;
9475 nla_nest_end(msg, bss);
9477 genlmsg_end(msg, hdr);
9483 genlmsg_cancel(msg, hdr);
9487 static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb)
9489 struct cfg80211_registered_device *rdev;
9490 struct cfg80211_internal_bss *scan;
9491 struct wireless_dev *wdev;
9492 int start = cb->args[2], idx = 0;
9495 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
9498 /* nl80211_prepare_wdev_dump acquired it in the successful case */
9499 __acquire(&rdev->wiphy.mtx);
9502 spin_lock_bh(&rdev->bss_lock);
9505 * dump_scan will be called multiple times to break up the scan results
9506 * into multiple messages. It is unlikely that any more bss-es will be
9507 * expired after the first call, so only call only call this on the
9508 * first dump_scan invocation.
9511 cfg80211_bss_expire(rdev);
9513 cb->seq = rdev->bss_generation;
9515 list_for_each_entry(scan, &rdev->bss_list, list) {
9518 if (nl80211_send_bss(skb, cb,
9519 cb->nlh->nlmsg_seq, NLM_F_MULTI,
9520 rdev, wdev, scan) < 0) {
9526 spin_unlock_bh(&rdev->bss_lock);
9530 wiphy_unlock(&rdev->wiphy);
9535 static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq,
9536 int flags, struct net_device *dev,
9537 bool allow_radio_stats,
9538 struct survey_info *survey)
9541 struct nlattr *infoattr;
9543 /* skip radio stats if userspace didn't request them */
9544 if (!survey->channel && !allow_radio_stats)
9547 hdr = nl80211hdr_put(msg, portid, seq, flags,
9548 NL80211_CMD_NEW_SURVEY_RESULTS);
9552 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
9553 goto nla_put_failure;
9555 infoattr = nla_nest_start_noflag(msg, NL80211_ATTR_SURVEY_INFO);
9557 goto nla_put_failure;
9559 if (survey->channel &&
9560 nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY,
9561 survey->channel->center_freq))
9562 goto nla_put_failure;
9564 if (survey->channel && survey->channel->freq_offset &&
9565 nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY_OFFSET,
9566 survey->channel->freq_offset))
9567 goto nla_put_failure;
9569 if ((survey->filled & SURVEY_INFO_NOISE_DBM) &&
9570 nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise))
9571 goto nla_put_failure;
9572 if ((survey->filled & SURVEY_INFO_IN_USE) &&
9573 nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE))
9574 goto nla_put_failure;
9575 if ((survey->filled & SURVEY_INFO_TIME) &&
9576 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME,
9577 survey->time, NL80211_SURVEY_INFO_PAD))
9578 goto nla_put_failure;
9579 if ((survey->filled & SURVEY_INFO_TIME_BUSY) &&
9580 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BUSY,
9581 survey->time_busy, NL80211_SURVEY_INFO_PAD))
9582 goto nla_put_failure;
9583 if ((survey->filled & SURVEY_INFO_TIME_EXT_BUSY) &&
9584 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_EXT_BUSY,
9585 survey->time_ext_busy, NL80211_SURVEY_INFO_PAD))
9586 goto nla_put_failure;
9587 if ((survey->filled & SURVEY_INFO_TIME_RX) &&
9588 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_RX,
9589 survey->time_rx, NL80211_SURVEY_INFO_PAD))
9590 goto nla_put_failure;
9591 if ((survey->filled & SURVEY_INFO_TIME_TX) &&
9592 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_TX,
9593 survey->time_tx, NL80211_SURVEY_INFO_PAD))
9594 goto nla_put_failure;
9595 if ((survey->filled & SURVEY_INFO_TIME_SCAN) &&
9596 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_SCAN,
9597 survey->time_scan, NL80211_SURVEY_INFO_PAD))
9598 goto nla_put_failure;
9599 if ((survey->filled & SURVEY_INFO_TIME_BSS_RX) &&
9600 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BSS_RX,
9601 survey->time_bss_rx, NL80211_SURVEY_INFO_PAD))
9602 goto nla_put_failure;
9604 nla_nest_end(msg, infoattr);
9606 genlmsg_end(msg, hdr);
9610 genlmsg_cancel(msg, hdr);
9614 static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb)
9616 struct nlattr **attrbuf;
9617 struct survey_info survey;
9618 struct cfg80211_registered_device *rdev;
9619 struct wireless_dev *wdev;
9620 int survey_idx = cb->args[2];
9624 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf), GFP_KERNEL);
9628 res = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
9633 /* nl80211_prepare_wdev_dump acquired it in the successful case */
9634 __acquire(&rdev->wiphy.mtx);
9636 /* prepare_wdev_dump parsed the attributes */
9637 radio_stats = attrbuf[NL80211_ATTR_SURVEY_RADIO_STATS];
9639 if (!wdev->netdev) {
9644 if (!rdev->ops->dump_survey) {
9650 res = rdev_dump_survey(rdev, wdev->netdev, survey_idx, &survey);
9656 /* don't send disabled channels, but do send non-channel data */
9657 if (survey.channel &&
9658 survey.channel->flags & IEEE80211_CHAN_DISABLED) {
9663 if (nl80211_send_survey(skb,
9664 NETLINK_CB(cb->skb).portid,
9665 cb->nlh->nlmsg_seq, NLM_F_MULTI,
9666 wdev->netdev, radio_stats, &survey) < 0)
9672 cb->args[2] = survey_idx;
9676 wiphy_unlock(&rdev->wiphy);
9680 static bool nl80211_valid_wpa_versions(u32 wpa_versions)
9682 return !(wpa_versions & ~(NL80211_WPA_VERSION_1 |
9683 NL80211_WPA_VERSION_2 |
9684 NL80211_WPA_VERSION_3));
9687 static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
9689 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9690 struct net_device *dev = info->user_ptr[1];
9691 struct ieee80211_channel *chan;
9692 const u8 *bssid, *ssid, *ie = NULL, *auth_data = NULL;
9693 int err, ssid_len, ie_len = 0, auth_data_len = 0;
9694 enum nl80211_auth_type auth_type;
9695 struct key_parse key;
9696 bool local_state_change;
9699 if (!info->attrs[NL80211_ATTR_MAC])
9702 if (!info->attrs[NL80211_ATTR_AUTH_TYPE])
9705 if (!info->attrs[NL80211_ATTR_SSID])
9708 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
9711 err = nl80211_parse_key(info, &key);
9716 if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP)
9718 if (!key.p.key || !key.p.key_len)
9720 if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 ||
9721 key.p.key_len != WLAN_KEY_LEN_WEP40) &&
9722 (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 ||
9723 key.p.key_len != WLAN_KEY_LEN_WEP104))
9736 for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) {
9737 if (key.p.cipher == rdev->wiphy.cipher_suites[i]) {
9746 if (!rdev->ops->auth)
9749 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
9750 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9753 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
9754 freq = MHZ_TO_KHZ(nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
9755 if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
9757 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
9759 chan = nl80211_get_valid_chan(&rdev->wiphy, freq);
9763 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
9764 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
9766 if (info->attrs[NL80211_ATTR_IE]) {
9767 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9768 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9771 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
9772 if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE))
9775 if ((auth_type == NL80211_AUTHTYPE_SAE ||
9776 auth_type == NL80211_AUTHTYPE_FILS_SK ||
9777 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
9778 auth_type == NL80211_AUTHTYPE_FILS_PK) &&
9779 !info->attrs[NL80211_ATTR_AUTH_DATA])
9782 if (info->attrs[NL80211_ATTR_AUTH_DATA]) {
9783 if (auth_type != NL80211_AUTHTYPE_SAE &&
9784 auth_type != NL80211_AUTHTYPE_FILS_SK &&
9785 auth_type != NL80211_AUTHTYPE_FILS_SK_PFS &&
9786 auth_type != NL80211_AUTHTYPE_FILS_PK)
9788 auth_data = nla_data(info->attrs[NL80211_ATTR_AUTH_DATA]);
9789 auth_data_len = nla_len(info->attrs[NL80211_ATTR_AUTH_DATA]);
9792 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
9795 * Since we no longer track auth state, ignore
9796 * requests to only change local state.
9798 if (local_state_change)
9801 wdev_lock(dev->ieee80211_ptr);
9802 err = cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid,
9803 ssid, ssid_len, ie, ie_len,
9804 key.p.key, key.p.key_len, key.idx,
9805 auth_data, auth_data_len);
9806 wdev_unlock(dev->ieee80211_ptr);
9810 static int validate_pae_over_nl80211(struct cfg80211_registered_device *rdev,
9811 struct genl_info *info)
9813 if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
9814 GENL_SET_ERR_MSG(info, "SOCKET_OWNER not set");
9818 if (!rdev->ops->tx_control_port ||
9819 !wiphy_ext_feature_isset(&rdev->wiphy,
9820 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
9826 static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
9827 struct genl_info *info,
9828 struct cfg80211_crypto_settings *settings,
9831 memset(settings, 0, sizeof(*settings));
9833 settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT];
9835 if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
9838 proto = nla_get_u16(
9839 info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
9840 settings->control_port_ethertype = cpu_to_be16(proto);
9841 if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
9844 if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT])
9845 settings->control_port_no_encrypt = true;
9847 settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE);
9849 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
9850 int r = validate_pae_over_nl80211(rdev, info);
9855 settings->control_port_over_nl80211 = true;
9857 if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_PREAUTH])
9858 settings->control_port_no_preauth = true;
9861 if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) {
9865 data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
9866 len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
9867 settings->n_ciphers_pairwise = len / sizeof(u32);
9869 if (len % sizeof(u32))
9872 if (settings->n_ciphers_pairwise > cipher_limit)
9875 memcpy(settings->ciphers_pairwise, data, len);
9877 for (i = 0; i < settings->n_ciphers_pairwise; i++)
9878 if (!cfg80211_supported_cipher_suite(
9880 settings->ciphers_pairwise[i]))
9884 if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) {
9885 settings->cipher_group =
9886 nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]);
9887 if (!cfg80211_supported_cipher_suite(&rdev->wiphy,
9888 settings->cipher_group))
9892 if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) {
9893 settings->wpa_versions =
9894 nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]);
9895 if (!nl80211_valid_wpa_versions(settings->wpa_versions))
9899 if (info->attrs[NL80211_ATTR_AKM_SUITES]) {
9903 data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]);
9904 len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]);
9905 settings->n_akm_suites = len / sizeof(u32);
9907 if (len % sizeof(u32))
9910 if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES)
9913 memcpy(settings->akm_suites, data, len);
9916 if (info->attrs[NL80211_ATTR_PMK]) {
9917 if (nla_len(info->attrs[NL80211_ATTR_PMK]) != WLAN_PMK_LEN)
9919 if (!wiphy_ext_feature_isset(&rdev->wiphy,
9920 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_PSK) &&
9921 !wiphy_ext_feature_isset(&rdev->wiphy,
9922 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_AP_PSK))
9924 settings->psk = nla_data(info->attrs[NL80211_ATTR_PMK]);
9927 if (info->attrs[NL80211_ATTR_SAE_PASSWORD]) {
9928 if (!wiphy_ext_feature_isset(&rdev->wiphy,
9929 NL80211_EXT_FEATURE_SAE_OFFLOAD) &&
9930 !wiphy_ext_feature_isset(&rdev->wiphy,
9931 NL80211_EXT_FEATURE_SAE_OFFLOAD_AP))
9934 nla_data(info->attrs[NL80211_ATTR_SAE_PASSWORD]);
9935 settings->sae_pwd_len =
9936 nla_len(info->attrs[NL80211_ATTR_SAE_PASSWORD]);
9939 if (info->attrs[NL80211_ATTR_SAE_PWE])
9941 nla_get_u8(info->attrs[NL80211_ATTR_SAE_PWE]);
9943 settings->sae_pwe = NL80211_SAE_PWE_UNSPECIFIED;
9948 static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
9950 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9951 struct net_device *dev = info->user_ptr[1];
9952 struct ieee80211_channel *chan;
9953 struct cfg80211_assoc_request req = {};
9954 const u8 *bssid, *ssid;
9955 int err, ssid_len = 0;
9958 if (dev->ieee80211_ptr->conn_owner_nlportid &&
9959 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
9962 if (!info->attrs[NL80211_ATTR_MAC] ||
9963 !info->attrs[NL80211_ATTR_SSID] ||
9964 !info->attrs[NL80211_ATTR_WIPHY_FREQ])
9967 if (!rdev->ops->assoc)
9970 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
9971 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9974 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
9976 freq = MHZ_TO_KHZ(nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
9977 if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
9979 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
9980 chan = nl80211_get_valid_chan(&rdev->wiphy, freq);
9984 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
9985 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
9987 if (info->attrs[NL80211_ATTR_IE]) {
9988 req.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9989 req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9992 if (info->attrs[NL80211_ATTR_USE_MFP]) {
9993 enum nl80211_mfp mfp =
9994 nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
9995 if (mfp == NL80211_MFP_REQUIRED)
9997 else if (mfp != NL80211_MFP_NO)
10001 if (info->attrs[NL80211_ATTR_PREV_BSSID])
10002 req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
10004 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
10005 req.flags |= ASSOC_REQ_DISABLE_HT;
10007 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
10008 memcpy(&req.ht_capa_mask,
10009 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
10010 sizeof(req.ht_capa_mask));
10012 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
10013 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
10015 memcpy(&req.ht_capa,
10016 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
10017 sizeof(req.ht_capa));
10020 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
10021 req.flags |= ASSOC_REQ_DISABLE_VHT;
10023 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HE]))
10024 req.flags |= ASSOC_REQ_DISABLE_HE;
10026 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
10027 memcpy(&req.vht_capa_mask,
10028 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
10029 sizeof(req.vht_capa_mask));
10031 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
10032 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
10034 memcpy(&req.vht_capa,
10035 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
10036 sizeof(req.vht_capa));
10039 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
10040 if (!((rdev->wiphy.features &
10041 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
10042 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
10043 !wiphy_ext_feature_isset(&rdev->wiphy,
10044 NL80211_EXT_FEATURE_RRM))
10046 req.flags |= ASSOC_REQ_USE_RRM;
10049 if (info->attrs[NL80211_ATTR_FILS_KEK]) {
10050 req.fils_kek = nla_data(info->attrs[NL80211_ATTR_FILS_KEK]);
10051 req.fils_kek_len = nla_len(info->attrs[NL80211_ATTR_FILS_KEK]);
10052 if (!info->attrs[NL80211_ATTR_FILS_NONCES])
10055 nla_data(info->attrs[NL80211_ATTR_FILS_NONCES]);
10058 if (info->attrs[NL80211_ATTR_S1G_CAPABILITY_MASK]) {
10059 if (!info->attrs[NL80211_ATTR_S1G_CAPABILITY])
10061 memcpy(&req.s1g_capa_mask,
10062 nla_data(info->attrs[NL80211_ATTR_S1G_CAPABILITY_MASK]),
10063 sizeof(req.s1g_capa_mask));
10066 if (info->attrs[NL80211_ATTR_S1G_CAPABILITY]) {
10067 if (!info->attrs[NL80211_ATTR_S1G_CAPABILITY_MASK])
10069 memcpy(&req.s1g_capa,
10070 nla_data(info->attrs[NL80211_ATTR_S1G_CAPABILITY]),
10071 sizeof(req.s1g_capa));
10074 err = nl80211_crypto_settings(rdev, info, &req.crypto, 1);
10076 wdev_lock(dev->ieee80211_ptr);
10078 err = cfg80211_mlme_assoc(rdev, dev, chan, bssid,
10079 ssid, ssid_len, &req);
10081 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
10082 dev->ieee80211_ptr->conn_owner_nlportid =
10084 memcpy(dev->ieee80211_ptr->disconnect_bssid,
10088 wdev_unlock(dev->ieee80211_ptr);
10094 static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
10096 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10097 struct net_device *dev = info->user_ptr[1];
10098 const u8 *ie = NULL, *bssid;
10099 int ie_len = 0, err;
10101 bool local_state_change;
10103 if (dev->ieee80211_ptr->conn_owner_nlportid &&
10104 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
10107 if (!info->attrs[NL80211_ATTR_MAC])
10110 if (!info->attrs[NL80211_ATTR_REASON_CODE])
10113 if (!rdev->ops->deauth)
10114 return -EOPNOTSUPP;
10116 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
10117 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10118 return -EOPNOTSUPP;
10120 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
10122 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
10123 if (reason_code == 0) {
10124 /* Reason Code 0 is reserved */
10128 if (info->attrs[NL80211_ATTR_IE]) {
10129 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10130 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
10133 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
10135 wdev_lock(dev->ieee80211_ptr);
10136 err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code,
10137 local_state_change);
10138 wdev_unlock(dev->ieee80211_ptr);
10142 static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
10144 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10145 struct net_device *dev = info->user_ptr[1];
10146 const u8 *ie = NULL, *bssid;
10147 int ie_len = 0, err;
10149 bool local_state_change;
10151 if (dev->ieee80211_ptr->conn_owner_nlportid &&
10152 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
10155 if (!info->attrs[NL80211_ATTR_MAC])
10158 if (!info->attrs[NL80211_ATTR_REASON_CODE])
10161 if (!rdev->ops->disassoc)
10162 return -EOPNOTSUPP;
10164 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
10165 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10166 return -EOPNOTSUPP;
10168 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
10170 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
10171 if (reason_code == 0) {
10172 /* Reason Code 0 is reserved */
10176 if (info->attrs[NL80211_ATTR_IE]) {
10177 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10178 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
10181 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
10183 wdev_lock(dev->ieee80211_ptr);
10184 err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code,
10185 local_state_change);
10186 wdev_unlock(dev->ieee80211_ptr);
10191 nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev,
10192 int mcast_rate[NUM_NL80211_BANDS],
10195 struct wiphy *wiphy = &rdev->wiphy;
10196 bool found = false;
10199 for (band = 0; band < NUM_NL80211_BANDS; band++) {
10200 struct ieee80211_supported_band *sband;
10202 sband = wiphy->bands[band];
10206 for (i = 0; i < sband->n_bitrates; i++) {
10207 if (sband->bitrates[i].bitrate == rateval) {
10208 mcast_rate[band] = i + 1;
10218 static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
10220 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10221 struct net_device *dev = info->user_ptr[1];
10222 struct cfg80211_ibss_params ibss;
10223 struct wiphy *wiphy;
10224 struct cfg80211_cached_keys *connkeys = NULL;
10227 memset(&ibss, 0, sizeof(ibss));
10229 if (!info->attrs[NL80211_ATTR_SSID] ||
10230 !nla_len(info->attrs[NL80211_ATTR_SSID]))
10233 ibss.beacon_interval = 100;
10235 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL])
10236 ibss.beacon_interval =
10237 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
10239 err = cfg80211_validate_beacon_int(rdev, NL80211_IFTYPE_ADHOC,
10240 ibss.beacon_interval);
10244 if (!rdev->ops->join_ibss)
10245 return -EOPNOTSUPP;
10247 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
10248 return -EOPNOTSUPP;
10250 wiphy = &rdev->wiphy;
10252 if (info->attrs[NL80211_ATTR_MAC]) {
10253 ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
10255 if (!is_valid_ether_addr(ibss.bssid))
10258 ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
10259 ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
10261 if (info->attrs[NL80211_ATTR_IE]) {
10262 ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10263 ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
10266 err = nl80211_parse_chandef(rdev, info, &ibss.chandef);
10270 if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef,
10271 NL80211_IFTYPE_ADHOC))
10274 switch (ibss.chandef.width) {
10275 case NL80211_CHAN_WIDTH_5:
10276 case NL80211_CHAN_WIDTH_10:
10277 case NL80211_CHAN_WIDTH_20_NOHT:
10279 case NL80211_CHAN_WIDTH_20:
10280 case NL80211_CHAN_WIDTH_40:
10281 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
10284 case NL80211_CHAN_WIDTH_80:
10285 case NL80211_CHAN_WIDTH_80P80:
10286 case NL80211_CHAN_WIDTH_160:
10287 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
10289 if (!wiphy_ext_feature_isset(&rdev->wiphy,
10290 NL80211_EXT_FEATURE_VHT_IBSS))
10297 ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED];
10298 ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
10300 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
10302 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
10304 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
10305 struct ieee80211_supported_band *sband =
10306 wiphy->bands[ibss.chandef.chan->band];
10308 err = ieee80211_get_ratemask(sband, rates, n_rates,
10309 &ibss.basic_rates);
10314 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
10315 memcpy(&ibss.ht_capa_mask,
10316 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
10317 sizeof(ibss.ht_capa_mask));
10319 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
10320 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
10322 memcpy(&ibss.ht_capa,
10323 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
10324 sizeof(ibss.ht_capa));
10327 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
10328 !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate,
10329 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
10332 if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) {
10333 bool no_ht = false;
10335 connkeys = nl80211_parse_connkeys(rdev, info, &no_ht);
10336 if (IS_ERR(connkeys))
10337 return PTR_ERR(connkeys);
10339 if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) &&
10341 kfree_sensitive(connkeys);
10346 ibss.control_port =
10347 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]);
10349 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
10350 int r = validate_pae_over_nl80211(rdev, info);
10353 kfree_sensitive(connkeys);
10357 ibss.control_port_over_nl80211 = true;
10360 ibss.userspace_handles_dfs =
10361 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
10363 wdev_lock(dev->ieee80211_ptr);
10364 err = __cfg80211_join_ibss(rdev, dev, &ibss, connkeys);
10366 kfree_sensitive(connkeys);
10367 else if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
10368 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
10369 wdev_unlock(dev->ieee80211_ptr);
10374 static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info)
10376 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10377 struct net_device *dev = info->user_ptr[1];
10379 if (!rdev->ops->leave_ibss)
10380 return -EOPNOTSUPP;
10382 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
10383 return -EOPNOTSUPP;
10385 return cfg80211_leave_ibss(rdev, dev, false);
10388 static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info)
10390 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10391 struct net_device *dev = info->user_ptr[1];
10392 int mcast_rate[NUM_NL80211_BANDS];
10396 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
10397 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
10398 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB)
10399 return -EOPNOTSUPP;
10401 if (!rdev->ops->set_mcast_rate)
10402 return -EOPNOTSUPP;
10404 memset(mcast_rate, 0, sizeof(mcast_rate));
10406 if (!info->attrs[NL80211_ATTR_MCAST_RATE])
10409 nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]);
10410 if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate))
10413 err = rdev_set_mcast_rate(rdev, dev, mcast_rate);
10418 static struct sk_buff *
10419 __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev,
10420 struct wireless_dev *wdev, int approxlen,
10421 u32 portid, u32 seq, enum nl80211_commands cmd,
10422 enum nl80211_attrs attr,
10423 const struct nl80211_vendor_cmd_info *info,
10426 struct sk_buff *skb;
10428 struct nlattr *data;
10430 skb = nlmsg_new(approxlen + 100, gfp);
10434 hdr = nl80211hdr_put(skb, portid, seq, 0, cmd);
10440 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
10441 goto nla_put_failure;
10444 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_ID,
10446 goto nla_put_failure;
10447 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_SUBCMD,
10449 goto nla_put_failure;
10453 if (nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
10454 wdev_id(wdev), NL80211_ATTR_PAD))
10455 goto nla_put_failure;
10456 if (wdev->netdev &&
10457 nla_put_u32(skb, NL80211_ATTR_IFINDEX,
10458 wdev->netdev->ifindex))
10459 goto nla_put_failure;
10462 data = nla_nest_start_noflag(skb, attr);
10464 goto nla_put_failure;
10466 ((void **)skb->cb)[0] = rdev;
10467 ((void **)skb->cb)[1] = hdr;
10468 ((void **)skb->cb)[2] = data;
10477 struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy,
10478 struct wireless_dev *wdev,
10479 enum nl80211_commands cmd,
10480 enum nl80211_attrs attr,
10481 unsigned int portid,
10482 int vendor_event_idx,
10483 int approxlen, gfp_t gfp)
10485 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
10486 const struct nl80211_vendor_cmd_info *info;
10489 case NL80211_CMD_TESTMODE:
10490 if (WARN_ON(vendor_event_idx != -1))
10494 case NL80211_CMD_VENDOR:
10495 if (WARN_ON(vendor_event_idx < 0 ||
10496 vendor_event_idx >= wiphy->n_vendor_events))
10498 info = &wiphy->vendor_events[vendor_event_idx];
10505 return __cfg80211_alloc_vendor_skb(rdev, wdev, approxlen, portid, 0,
10506 cmd, attr, info, gfp);
10508 EXPORT_SYMBOL(__cfg80211_alloc_event_skb);
10510 void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp)
10512 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
10513 void *hdr = ((void **)skb->cb)[1];
10514 struct nlmsghdr *nlhdr = nlmsg_hdr(skb);
10515 struct nlattr *data = ((void **)skb->cb)[2];
10516 enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE;
10518 /* clear CB data for netlink core to own from now on */
10519 memset(skb->cb, 0, sizeof(skb->cb));
10521 nla_nest_end(skb, data);
10522 genlmsg_end(skb, hdr);
10524 if (nlhdr->nlmsg_pid) {
10525 genlmsg_unicast(wiphy_net(&rdev->wiphy), skb,
10528 if (data->nla_type == NL80211_ATTR_VENDOR_DATA)
10529 mcgrp = NL80211_MCGRP_VENDOR;
10531 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
10532 skb, 0, mcgrp, gfp);
10535 EXPORT_SYMBOL(__cfg80211_send_event_skb);
10537 #ifdef CONFIG_NL80211_TESTMODE
10538 static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info)
10540 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10541 struct wireless_dev *wdev;
10544 lockdep_assert_held(&rdev->wiphy.mtx);
10546 wdev = __cfg80211_wdev_from_attrs(rdev, genl_info_net(info),
10549 if (!rdev->ops->testmode_cmd)
10550 return -EOPNOTSUPP;
10552 if (IS_ERR(wdev)) {
10553 err = PTR_ERR(wdev);
10554 if (err != -EINVAL)
10557 } else if (wdev->wiphy != &rdev->wiphy) {
10561 if (!info->attrs[NL80211_ATTR_TESTDATA])
10564 rdev->cur_cmd_info = info;
10565 err = rdev_testmode_cmd(rdev, wdev,
10566 nla_data(info->attrs[NL80211_ATTR_TESTDATA]),
10567 nla_len(info->attrs[NL80211_ATTR_TESTDATA]));
10568 rdev->cur_cmd_info = NULL;
10573 static int nl80211_testmode_dump(struct sk_buff *skb,
10574 struct netlink_callback *cb)
10576 struct cfg80211_registered_device *rdev;
10577 struct nlattr **attrbuf = NULL;
10587 * 0 is a valid index, but not valid for args[0],
10588 * so we need to offset by 1.
10590 phy_idx = cb->args[0] - 1;
10592 rdev = cfg80211_rdev_by_wiphy_idx(phy_idx);
10598 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf),
10605 err = nlmsg_parse_deprecated(cb->nlh,
10606 GENL_HDRLEN + nl80211_fam.hdrsize,
10607 attrbuf, nl80211_fam.maxattr,
10608 nl80211_policy, NULL);
10612 rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
10613 if (IS_ERR(rdev)) {
10614 err = PTR_ERR(rdev);
10617 phy_idx = rdev->wiphy_idx;
10619 if (attrbuf[NL80211_ATTR_TESTDATA])
10620 cb->args[1] = (long)attrbuf[NL80211_ATTR_TESTDATA];
10624 data = nla_data((void *)cb->args[1]);
10625 data_len = nla_len((void *)cb->args[1]);
10628 if (!rdev->ops->testmode_dump) {
10634 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
10635 cb->nlh->nlmsg_seq, NLM_F_MULTI,
10636 NL80211_CMD_TESTMODE);
10637 struct nlattr *tmdata;
10642 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) {
10643 genlmsg_cancel(skb, hdr);
10647 tmdata = nla_nest_start_noflag(skb, NL80211_ATTR_TESTDATA);
10649 genlmsg_cancel(skb, hdr);
10652 err = rdev_testmode_dump(rdev, skb, cb, data, data_len);
10653 nla_nest_end(skb, tmdata);
10655 if (err == -ENOBUFS || err == -ENOENT) {
10656 genlmsg_cancel(skb, hdr);
10659 genlmsg_cancel(skb, hdr);
10663 genlmsg_end(skb, hdr);
10668 cb->args[0] = phy_idx + 1;
10676 static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
10678 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10679 struct net_device *dev = info->user_ptr[1];
10680 struct cfg80211_connect_params connect;
10681 struct wiphy *wiphy;
10682 struct cfg80211_cached_keys *connkeys = NULL;
10686 memset(&connect, 0, sizeof(connect));
10688 if (!info->attrs[NL80211_ATTR_SSID] ||
10689 !nla_len(info->attrs[NL80211_ATTR_SSID]))
10692 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
10693 connect.auth_type =
10694 nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
10695 if (!nl80211_valid_auth_type(rdev, connect.auth_type,
10696 NL80211_CMD_CONNECT))
10699 connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
10701 connect.privacy = info->attrs[NL80211_ATTR_PRIVACY];
10703 if (info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS] &&
10704 !wiphy_ext_feature_isset(&rdev->wiphy,
10705 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
10707 connect.want_1x = info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS];
10709 err = nl80211_crypto_settings(rdev, info, &connect.crypto,
10710 NL80211_MAX_NR_CIPHER_SUITES);
10714 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
10715 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10716 return -EOPNOTSUPP;
10718 wiphy = &rdev->wiphy;
10720 connect.bg_scan_period = -1;
10721 if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] &&
10722 (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) {
10723 connect.bg_scan_period =
10724 nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]);
10727 if (info->attrs[NL80211_ATTR_MAC])
10728 connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
10729 else if (info->attrs[NL80211_ATTR_MAC_HINT])
10730 connect.bssid_hint =
10731 nla_data(info->attrs[NL80211_ATTR_MAC_HINT]);
10732 connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
10733 connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
10735 if (info->attrs[NL80211_ATTR_IE]) {
10736 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10737 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
10740 if (info->attrs[NL80211_ATTR_USE_MFP]) {
10741 connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
10742 if (connect.mfp == NL80211_MFP_OPTIONAL &&
10743 !wiphy_ext_feature_isset(&rdev->wiphy,
10744 NL80211_EXT_FEATURE_MFP_OPTIONAL))
10745 return -EOPNOTSUPP;
10747 connect.mfp = NL80211_MFP_NO;
10750 if (info->attrs[NL80211_ATTR_PREV_BSSID])
10751 connect.prev_bssid =
10752 nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
10754 if (info->attrs[NL80211_ATTR_WIPHY_FREQ])
10755 freq = MHZ_TO_KHZ(nla_get_u32(
10756 info->attrs[NL80211_ATTR_WIPHY_FREQ]));
10757 if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
10759 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
10762 connect.channel = nl80211_get_valid_chan(wiphy, freq);
10763 if (!connect.channel)
10765 } else if (info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]) {
10766 freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]);
10767 freq = MHZ_TO_KHZ(freq);
10768 connect.channel_hint = nl80211_get_valid_chan(wiphy, freq);
10769 if (!connect.channel_hint)
10773 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]) {
10774 connect.edmg.channels =
10775 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]);
10777 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG])
10778 connect.edmg.bw_config =
10779 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG]);
10782 if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) {
10783 connkeys = nl80211_parse_connkeys(rdev, info, NULL);
10784 if (IS_ERR(connkeys))
10785 return PTR_ERR(connkeys);
10788 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
10789 connect.flags |= ASSOC_REQ_DISABLE_HT;
10791 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
10792 memcpy(&connect.ht_capa_mask,
10793 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
10794 sizeof(connect.ht_capa_mask));
10796 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
10797 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) {
10798 kfree_sensitive(connkeys);
10801 memcpy(&connect.ht_capa,
10802 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
10803 sizeof(connect.ht_capa));
10806 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
10807 connect.flags |= ASSOC_REQ_DISABLE_VHT;
10809 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HE]))
10810 connect.flags |= ASSOC_REQ_DISABLE_HE;
10812 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
10813 memcpy(&connect.vht_capa_mask,
10814 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
10815 sizeof(connect.vht_capa_mask));
10817 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
10818 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) {
10819 kfree_sensitive(connkeys);
10822 memcpy(&connect.vht_capa,
10823 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
10824 sizeof(connect.vht_capa));
10827 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
10828 if (!((rdev->wiphy.features &
10829 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
10830 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
10831 !wiphy_ext_feature_isset(&rdev->wiphy,
10832 NL80211_EXT_FEATURE_RRM)) {
10833 kfree_sensitive(connkeys);
10836 connect.flags |= ASSOC_REQ_USE_RRM;
10839 connect.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
10840 if (connect.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) {
10841 kfree_sensitive(connkeys);
10842 return -EOPNOTSUPP;
10845 if (info->attrs[NL80211_ATTR_BSS_SELECT]) {
10846 /* bss selection makes no sense if bssid is set */
10847 if (connect.bssid) {
10848 kfree_sensitive(connkeys);
10852 err = parse_bss_select(info->attrs[NL80211_ATTR_BSS_SELECT],
10853 wiphy, &connect.bss_select);
10855 kfree_sensitive(connkeys);
10860 if (wiphy_ext_feature_isset(&rdev->wiphy,
10861 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) &&
10862 info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] &&
10863 info->attrs[NL80211_ATTR_FILS_ERP_REALM] &&
10864 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] &&
10865 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
10866 connect.fils_erp_username =
10867 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
10868 connect.fils_erp_username_len =
10869 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
10870 connect.fils_erp_realm =
10871 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
10872 connect.fils_erp_realm_len =
10873 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
10874 connect.fils_erp_next_seq_num =
10876 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]);
10877 connect.fils_erp_rrk =
10878 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
10879 connect.fils_erp_rrk_len =
10880 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
10881 } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] ||
10882 info->attrs[NL80211_ATTR_FILS_ERP_REALM] ||
10883 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] ||
10884 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
10885 kfree_sensitive(connkeys);
10889 if (nla_get_flag(info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])) {
10890 if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
10891 kfree_sensitive(connkeys);
10892 GENL_SET_ERR_MSG(info,
10893 "external auth requires connection ownership");
10896 connect.flags |= CONNECT_REQ_EXTERNAL_AUTH_SUPPORT;
10899 wdev_lock(dev->ieee80211_ptr);
10901 err = cfg80211_connect(rdev, dev, &connect, connkeys,
10902 connect.prev_bssid);
10904 kfree_sensitive(connkeys);
10906 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
10907 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
10909 memcpy(dev->ieee80211_ptr->disconnect_bssid,
10910 connect.bssid, ETH_ALEN);
10912 eth_zero_addr(dev->ieee80211_ptr->disconnect_bssid);
10915 wdev_unlock(dev->ieee80211_ptr);
10920 static int nl80211_update_connect_params(struct sk_buff *skb,
10921 struct genl_info *info)
10923 struct cfg80211_connect_params connect = {};
10924 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10925 struct net_device *dev = info->user_ptr[1];
10926 struct wireless_dev *wdev = dev->ieee80211_ptr;
10927 bool fils_sk_offload;
10932 if (!rdev->ops->update_connect_params)
10933 return -EOPNOTSUPP;
10935 if (info->attrs[NL80211_ATTR_IE]) {
10936 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10937 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
10938 changed |= UPDATE_ASSOC_IES;
10941 fils_sk_offload = wiphy_ext_feature_isset(&rdev->wiphy,
10942 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD);
10945 * when driver supports fils-sk offload all attributes must be
10946 * provided. So the else covers "fils-sk-not-all" and
10947 * "no-fils-sk-any".
10949 if (fils_sk_offload &&
10950 info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] &&
10951 info->attrs[NL80211_ATTR_FILS_ERP_REALM] &&
10952 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] &&
10953 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
10954 connect.fils_erp_username =
10955 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
10956 connect.fils_erp_username_len =
10957 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
10958 connect.fils_erp_realm =
10959 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
10960 connect.fils_erp_realm_len =
10961 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
10962 connect.fils_erp_next_seq_num =
10964 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]);
10965 connect.fils_erp_rrk =
10966 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
10967 connect.fils_erp_rrk_len =
10968 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
10969 changed |= UPDATE_FILS_ERP_INFO;
10970 } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] ||
10971 info->attrs[NL80211_ATTR_FILS_ERP_REALM] ||
10972 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] ||
10973 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
10977 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
10978 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
10979 if (!nl80211_valid_auth_type(rdev, auth_type,
10980 NL80211_CMD_CONNECT))
10983 if (auth_type == NL80211_AUTHTYPE_FILS_SK &&
10984 fils_sk_offload && !(changed & UPDATE_FILS_ERP_INFO))
10987 connect.auth_type = auth_type;
10988 changed |= UPDATE_AUTH_TYPE;
10991 wdev_lock(dev->ieee80211_ptr);
10992 if (!wdev->current_bss)
10995 ret = rdev_update_connect_params(rdev, dev, &connect, changed);
10996 wdev_unlock(dev->ieee80211_ptr);
11001 static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
11003 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11004 struct net_device *dev = info->user_ptr[1];
11008 if (dev->ieee80211_ptr->conn_owner_nlportid &&
11009 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
11012 if (!info->attrs[NL80211_ATTR_REASON_CODE])
11013 reason = WLAN_REASON_DEAUTH_LEAVING;
11015 reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
11020 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
11021 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
11022 return -EOPNOTSUPP;
11024 wdev_lock(dev->ieee80211_ptr);
11025 ret = cfg80211_disconnect(rdev, dev, reason, true);
11026 wdev_unlock(dev->ieee80211_ptr);
11030 static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info)
11032 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11036 if (info->attrs[NL80211_ATTR_PID]) {
11037 u32 pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]);
11039 net = get_net_ns_by_pid(pid);
11040 } else if (info->attrs[NL80211_ATTR_NETNS_FD]) {
11041 u32 fd = nla_get_u32(info->attrs[NL80211_ATTR_NETNS_FD]);
11043 net = get_net_ns_by_fd(fd);
11049 return PTR_ERR(net);
11053 /* check if anything to do */
11054 if (!net_eq(wiphy_net(&rdev->wiphy), net))
11055 err = cfg80211_switch_netns(rdev, net);
11061 static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info)
11063 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11064 int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev,
11065 struct cfg80211_pmksa *pmksa) = NULL;
11066 struct net_device *dev = info->user_ptr[1];
11067 struct cfg80211_pmksa pmksa;
11069 memset(&pmksa, 0, sizeof(struct cfg80211_pmksa));
11071 if (!info->attrs[NL80211_ATTR_PMKID])
11074 pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
11076 if (info->attrs[NL80211_ATTR_MAC]) {
11077 pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
11078 } else if (info->attrs[NL80211_ATTR_SSID] &&
11079 info->attrs[NL80211_ATTR_FILS_CACHE_ID] &&
11080 (info->genlhdr->cmd == NL80211_CMD_DEL_PMKSA ||
11081 info->attrs[NL80211_ATTR_PMK])) {
11082 pmksa.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
11083 pmksa.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
11085 nla_data(info->attrs[NL80211_ATTR_FILS_CACHE_ID]);
11089 if (info->attrs[NL80211_ATTR_PMK]) {
11090 pmksa.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
11091 pmksa.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
11094 if (info->attrs[NL80211_ATTR_PMK_LIFETIME])
11095 pmksa.pmk_lifetime =
11096 nla_get_u32(info->attrs[NL80211_ATTR_PMK_LIFETIME]);
11098 if (info->attrs[NL80211_ATTR_PMK_REAUTH_THRESHOLD])
11099 pmksa.pmk_reauth_threshold =
11101 info->attrs[NL80211_ATTR_PMK_REAUTH_THRESHOLD]);
11103 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
11104 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT &&
11105 !(dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP &&
11106 wiphy_ext_feature_isset(&rdev->wiphy,
11107 NL80211_EXT_FEATURE_AP_PMKSA_CACHING)))
11108 return -EOPNOTSUPP;
11110 switch (info->genlhdr->cmd) {
11111 case NL80211_CMD_SET_PMKSA:
11112 rdev_ops = rdev->ops->set_pmksa;
11114 case NL80211_CMD_DEL_PMKSA:
11115 rdev_ops = rdev->ops->del_pmksa;
11123 return -EOPNOTSUPP;
11125 return rdev_ops(&rdev->wiphy, dev, &pmksa);
11128 static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info)
11130 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11131 struct net_device *dev = info->user_ptr[1];
11133 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
11134 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
11135 return -EOPNOTSUPP;
11137 if (!rdev->ops->flush_pmksa)
11138 return -EOPNOTSUPP;
11140 return rdev_flush_pmksa(rdev, dev);
11143 static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info)
11145 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11146 struct net_device *dev = info->user_ptr[1];
11147 u8 action_code, dialog_token;
11148 u32 peer_capability = 0;
11153 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
11154 !rdev->ops->tdls_mgmt)
11155 return -EOPNOTSUPP;
11157 if (!info->attrs[NL80211_ATTR_TDLS_ACTION] ||
11158 !info->attrs[NL80211_ATTR_STATUS_CODE] ||
11159 !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] ||
11160 !info->attrs[NL80211_ATTR_IE] ||
11161 !info->attrs[NL80211_ATTR_MAC])
11164 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
11165 action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]);
11166 status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
11167 dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]);
11168 initiator = nla_get_flag(info->attrs[NL80211_ATTR_TDLS_INITIATOR]);
11169 if (info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY])
11171 nla_get_u32(info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]);
11173 return rdev_tdls_mgmt(rdev, dev, peer, action_code,
11174 dialog_token, status_code, peer_capability,
11176 nla_data(info->attrs[NL80211_ATTR_IE]),
11177 nla_len(info->attrs[NL80211_ATTR_IE]));
11180 static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info)
11182 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11183 struct net_device *dev = info->user_ptr[1];
11184 enum nl80211_tdls_operation operation;
11187 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
11188 !rdev->ops->tdls_oper)
11189 return -EOPNOTSUPP;
11191 if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] ||
11192 !info->attrs[NL80211_ATTR_MAC])
11195 operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]);
11196 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
11198 return rdev_tdls_oper(rdev, dev, peer, operation);
11201 static int nl80211_remain_on_channel(struct sk_buff *skb,
11202 struct genl_info *info)
11204 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11205 struct wireless_dev *wdev = info->user_ptr[1];
11206 struct cfg80211_chan_def chandef;
11207 const struct cfg80211_chan_def *compat_chandef;
11208 struct sk_buff *msg;
11214 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
11215 !info->attrs[NL80211_ATTR_DURATION])
11218 duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
11220 if (!rdev->ops->remain_on_channel ||
11221 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL))
11222 return -EOPNOTSUPP;
11225 * We should be on that channel for at least a minimum amount of
11226 * time (10ms) but no longer than the driver supports.
11228 if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
11229 duration > rdev->wiphy.max_remain_on_channel_duration)
11232 err = nl80211_parse_chandef(rdev, info, &chandef);
11237 if (!cfg80211_off_channel_oper_allowed(wdev) &&
11238 !cfg80211_chandef_identical(&wdev->chandef, &chandef)) {
11239 compat_chandef = cfg80211_chandef_compatible(&wdev->chandef,
11241 if (compat_chandef != &chandef) {
11248 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
11252 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
11253 NL80211_CMD_REMAIN_ON_CHANNEL);
11259 err = rdev_remain_on_channel(rdev, wdev, chandef.chan,
11260 duration, &cookie);
11265 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
11267 goto nla_put_failure;
11269 genlmsg_end(msg, hdr);
11271 return genlmsg_reply(msg, info);
11280 static int nl80211_cancel_remain_on_channel(struct sk_buff *skb,
11281 struct genl_info *info)
11283 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11284 struct wireless_dev *wdev = info->user_ptr[1];
11287 if (!info->attrs[NL80211_ATTR_COOKIE])
11290 if (!rdev->ops->cancel_remain_on_channel)
11291 return -EOPNOTSUPP;
11293 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
11295 return rdev_cancel_remain_on_channel(rdev, wdev, cookie);
11298 static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
11299 struct genl_info *info)
11301 struct cfg80211_bitrate_mask mask;
11302 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11303 struct net_device *dev = info->user_ptr[1];
11306 if (!rdev->ops->set_bitrate_mask)
11307 return -EOPNOTSUPP;
11309 err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
11310 NL80211_ATTR_TX_RATES, &mask,
11315 return rdev_set_bitrate_mask(rdev, dev, NULL, &mask);
11318 static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
11320 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11321 struct wireless_dev *wdev = info->user_ptr[1];
11322 u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION;
11324 if (!info->attrs[NL80211_ATTR_FRAME_MATCH])
11327 if (info->attrs[NL80211_ATTR_FRAME_TYPE])
11328 frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]);
11330 switch (wdev->iftype) {
11331 case NL80211_IFTYPE_STATION:
11332 case NL80211_IFTYPE_ADHOC:
11333 case NL80211_IFTYPE_P2P_CLIENT:
11334 case NL80211_IFTYPE_AP:
11335 case NL80211_IFTYPE_AP_VLAN:
11336 case NL80211_IFTYPE_MESH_POINT:
11337 case NL80211_IFTYPE_P2P_GO:
11338 case NL80211_IFTYPE_P2P_DEVICE:
11340 case NL80211_IFTYPE_NAN:
11342 return -EOPNOTSUPP;
11345 /* not much point in registering if we can't reply */
11346 if (!rdev->ops->mgmt_tx)
11347 return -EOPNOTSUPP;
11349 if (info->attrs[NL80211_ATTR_RECEIVE_MULTICAST] &&
11350 !wiphy_ext_feature_isset(&rdev->wiphy,
11351 NL80211_EXT_FEATURE_MULTICAST_REGISTRATIONS)) {
11352 GENL_SET_ERR_MSG(info,
11353 "multicast RX registrations are not supported");
11354 return -EOPNOTSUPP;
11357 return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type,
11358 nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]),
11359 nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH]),
11360 info->attrs[NL80211_ATTR_RECEIVE_MULTICAST],
11364 static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
11366 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11367 struct wireless_dev *wdev = info->user_ptr[1];
11368 struct cfg80211_chan_def chandef;
11372 struct sk_buff *msg = NULL;
11373 struct cfg80211_mgmt_tx_params params = {
11374 .dont_wait_for_ack =
11375 info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK],
11378 if (!info->attrs[NL80211_ATTR_FRAME])
11381 if (!rdev->ops->mgmt_tx)
11382 return -EOPNOTSUPP;
11384 switch (wdev->iftype) {
11385 case NL80211_IFTYPE_P2P_DEVICE:
11386 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
11389 case NL80211_IFTYPE_STATION:
11390 case NL80211_IFTYPE_ADHOC:
11391 case NL80211_IFTYPE_P2P_CLIENT:
11392 case NL80211_IFTYPE_AP:
11393 case NL80211_IFTYPE_AP_VLAN:
11394 case NL80211_IFTYPE_MESH_POINT:
11395 case NL80211_IFTYPE_P2P_GO:
11397 case NL80211_IFTYPE_NAN:
11399 return -EOPNOTSUPP;
11402 if (info->attrs[NL80211_ATTR_DURATION]) {
11403 if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
11405 params.wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
11408 * We should wait on the channel for at least a minimum amount
11409 * of time (10ms) but no longer than the driver supports.
11411 if (params.wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
11412 params.wait > rdev->wiphy.max_remain_on_channel_duration)
11416 params.offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK];
11418 if (params.offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
11421 params.no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
11423 /* get the channel if any has been specified, otherwise pass NULL to
11424 * the driver. The latter will use the current one
11426 chandef.chan = NULL;
11427 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
11428 err = nl80211_parse_chandef(rdev, info, &chandef);
11433 if (!chandef.chan && params.offchan)
11437 if (params.offchan && !cfg80211_off_channel_oper_allowed(wdev)) {
11443 params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
11444 params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
11446 if (info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]) {
11447 int len = nla_len(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
11450 if (len % sizeof(u16))
11453 params.n_csa_offsets = len / sizeof(u16);
11454 params.csa_offsets =
11455 nla_data(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
11457 /* check that all the offsets fit the frame */
11458 for (i = 0; i < params.n_csa_offsets; i++) {
11459 if (params.csa_offsets[i] >= params.len)
11464 if (!params.dont_wait_for_ack) {
11465 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
11469 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
11470 NL80211_CMD_FRAME);
11477 params.chan = chandef.chan;
11478 err = cfg80211_mlme_mgmt_tx(rdev, wdev, ¶ms, &cookie);
11483 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
11485 goto nla_put_failure;
11487 genlmsg_end(msg, hdr);
11488 return genlmsg_reply(msg, info);
11500 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info)
11502 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11503 struct wireless_dev *wdev = info->user_ptr[1];
11506 if (!info->attrs[NL80211_ATTR_COOKIE])
11509 if (!rdev->ops->mgmt_tx_cancel_wait)
11510 return -EOPNOTSUPP;
11512 switch (wdev->iftype) {
11513 case NL80211_IFTYPE_STATION:
11514 case NL80211_IFTYPE_ADHOC:
11515 case NL80211_IFTYPE_P2P_CLIENT:
11516 case NL80211_IFTYPE_AP:
11517 case NL80211_IFTYPE_AP_VLAN:
11518 case NL80211_IFTYPE_P2P_GO:
11519 case NL80211_IFTYPE_P2P_DEVICE:
11521 case NL80211_IFTYPE_NAN:
11523 return -EOPNOTSUPP;
11526 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
11528 return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie);
11531 static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info)
11533 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11534 struct wireless_dev *wdev;
11535 struct net_device *dev = info->user_ptr[1];
11540 if (!info->attrs[NL80211_ATTR_PS_STATE])
11543 ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]);
11545 wdev = dev->ieee80211_ptr;
11547 if (!rdev->ops->set_power_mgmt)
11548 return -EOPNOTSUPP;
11550 state = (ps_state == NL80211_PS_ENABLED) ? true : false;
11552 if (state == wdev->ps)
11555 err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout);
11561 static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info)
11563 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11564 enum nl80211_ps_state ps_state;
11565 struct wireless_dev *wdev;
11566 struct net_device *dev = info->user_ptr[1];
11567 struct sk_buff *msg;
11571 wdev = dev->ieee80211_ptr;
11573 if (!rdev->ops->set_power_mgmt)
11574 return -EOPNOTSUPP;
11576 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
11580 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
11581 NL80211_CMD_GET_POWER_SAVE);
11588 ps_state = NL80211_PS_ENABLED;
11590 ps_state = NL80211_PS_DISABLED;
11592 if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state))
11593 goto nla_put_failure;
11595 genlmsg_end(msg, hdr);
11596 return genlmsg_reply(msg, info);
11605 static const struct nla_policy
11606 nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] = {
11607 [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_BINARY },
11608 [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 },
11609 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
11610 [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 },
11611 [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 },
11612 [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 },
11613 [NL80211_ATTR_CQM_RSSI_LEVEL] = { .type = NLA_S32 },
11616 static int nl80211_set_cqm_txe(struct genl_info *info,
11617 u32 rate, u32 pkts, u32 intvl)
11619 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11620 struct net_device *dev = info->user_ptr[1];
11621 struct wireless_dev *wdev = dev->ieee80211_ptr;
11623 if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL)
11626 if (!rdev->ops->set_cqm_txe_config)
11627 return -EOPNOTSUPP;
11629 if (wdev->iftype != NL80211_IFTYPE_STATION &&
11630 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
11631 return -EOPNOTSUPP;
11633 return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl);
11636 static int cfg80211_cqm_rssi_update(struct cfg80211_registered_device *rdev,
11637 struct net_device *dev)
11639 struct wireless_dev *wdev = dev->ieee80211_ptr;
11640 s32 last, low, high;
11642 int i, n, low_index;
11645 /* RSSI reporting disabled? */
11646 if (!wdev->cqm_config)
11647 return rdev_set_cqm_rssi_range_config(rdev, dev, 0, 0);
11650 * Obtain current RSSI value if possible, if not and no RSSI threshold
11651 * event has been received yet, we should receive an event after a
11652 * connection is established and enough beacons received to calculate
11655 if (!wdev->cqm_config->last_rssi_event_value && wdev->current_bss &&
11656 rdev->ops->get_station) {
11657 struct station_info sinfo = {};
11660 mac_addr = wdev->current_bss->pub.bssid;
11662 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
11666 cfg80211_sinfo_release_content(&sinfo);
11667 if (sinfo.filled & BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG))
11668 wdev->cqm_config->last_rssi_event_value =
11669 (s8) sinfo.rx_beacon_signal_avg;
11672 last = wdev->cqm_config->last_rssi_event_value;
11673 hyst = wdev->cqm_config->rssi_hyst;
11674 n = wdev->cqm_config->n_rssi_thresholds;
11676 for (i = 0; i < n; i++) {
11677 i = array_index_nospec(i, n);
11678 if (last < wdev->cqm_config->rssi_thresholds[i])
11683 if (low_index >= 0) {
11684 low_index = array_index_nospec(low_index, n);
11685 low = wdev->cqm_config->rssi_thresholds[low_index] - hyst;
11690 i = array_index_nospec(i, n);
11691 high = wdev->cqm_config->rssi_thresholds[i] + hyst - 1;
11696 return rdev_set_cqm_rssi_range_config(rdev, dev, low, high);
11699 static int nl80211_set_cqm_rssi(struct genl_info *info,
11700 const s32 *thresholds, int n_thresholds,
11703 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11704 struct net_device *dev = info->user_ptr[1];
11705 struct wireless_dev *wdev = dev->ieee80211_ptr;
11707 s32 prev = S32_MIN;
11709 /* Check all values negative and sorted */
11710 for (i = 0; i < n_thresholds; i++) {
11711 if (thresholds[i] > 0 || thresholds[i] <= prev)
11714 prev = thresholds[i];
11717 if (wdev->iftype != NL80211_IFTYPE_STATION &&
11718 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
11719 return -EOPNOTSUPP;
11722 cfg80211_cqm_config_free(wdev);
11725 if (n_thresholds <= 1 && rdev->ops->set_cqm_rssi_config) {
11726 if (n_thresholds == 0 || thresholds[0] == 0) /* Disabling */
11727 return rdev_set_cqm_rssi_config(rdev, dev, 0, 0);
11729 return rdev_set_cqm_rssi_config(rdev, dev,
11730 thresholds[0], hysteresis);
11733 if (!wiphy_ext_feature_isset(&rdev->wiphy,
11734 NL80211_EXT_FEATURE_CQM_RSSI_LIST))
11735 return -EOPNOTSUPP;
11737 if (n_thresholds == 1 && thresholds[0] == 0) /* Disabling */
11741 if (n_thresholds) {
11742 struct cfg80211_cqm_config *cqm_config;
11744 cqm_config = kzalloc(sizeof(struct cfg80211_cqm_config) +
11745 n_thresholds * sizeof(s32), GFP_KERNEL);
11751 cqm_config->rssi_hyst = hysteresis;
11752 cqm_config->n_rssi_thresholds = n_thresholds;
11753 memcpy(cqm_config->rssi_thresholds, thresholds,
11754 n_thresholds * sizeof(s32));
11756 wdev->cqm_config = cqm_config;
11759 err = cfg80211_cqm_rssi_update(rdev, dev);
11767 static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info)
11769 struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1];
11770 struct nlattr *cqm;
11773 cqm = info->attrs[NL80211_ATTR_CQM];
11777 err = nla_parse_nested_deprecated(attrs, NL80211_ATTR_CQM_MAX, cqm,
11778 nl80211_attr_cqm_policy,
11783 if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] &&
11784 attrs[NL80211_ATTR_CQM_RSSI_HYST]) {
11785 const s32 *thresholds =
11786 nla_data(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
11787 int len = nla_len(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
11788 u32 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]);
11793 return nl80211_set_cqm_rssi(info, thresholds, len / 4,
11797 if (attrs[NL80211_ATTR_CQM_TXE_RATE] &&
11798 attrs[NL80211_ATTR_CQM_TXE_PKTS] &&
11799 attrs[NL80211_ATTR_CQM_TXE_INTVL]) {
11800 u32 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]);
11801 u32 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]);
11802 u32 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]);
11804 return nl80211_set_cqm_txe(info, rate, pkts, intvl);
11810 static int nl80211_join_ocb(struct sk_buff *skb, struct genl_info *info)
11812 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11813 struct net_device *dev = info->user_ptr[1];
11814 struct ocb_setup setup = {};
11817 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
11821 return cfg80211_join_ocb(rdev, dev, &setup);
11824 static int nl80211_leave_ocb(struct sk_buff *skb, struct genl_info *info)
11826 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11827 struct net_device *dev = info->user_ptr[1];
11829 return cfg80211_leave_ocb(rdev, dev);
11832 static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info)
11834 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11835 struct net_device *dev = info->user_ptr[1];
11836 struct mesh_config cfg;
11837 struct mesh_setup setup;
11840 /* start with default */
11841 memcpy(&cfg, &default_mesh_config, sizeof(cfg));
11842 memcpy(&setup, &default_mesh_setup, sizeof(setup));
11844 if (info->attrs[NL80211_ATTR_MESH_CONFIG]) {
11845 /* and parse parameters if given */
11846 err = nl80211_parse_mesh_config(info, &cfg, NULL);
11851 if (!info->attrs[NL80211_ATTR_MESH_ID] ||
11852 !nla_len(info->attrs[NL80211_ATTR_MESH_ID]))
11855 setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]);
11856 setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
11858 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
11859 !nl80211_parse_mcast_rate(rdev, setup.mcast_rate,
11860 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
11863 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) {
11864 setup.beacon_interval =
11865 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
11867 err = cfg80211_validate_beacon_int(rdev,
11868 NL80211_IFTYPE_MESH_POINT,
11869 setup.beacon_interval);
11874 if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) {
11875 setup.dtim_period =
11876 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
11877 if (setup.dtim_period < 1 || setup.dtim_period > 100)
11881 if (info->attrs[NL80211_ATTR_MESH_SETUP]) {
11882 /* parse additional setup parameters if given */
11883 err = nl80211_parse_mesh_setup(info, &setup);
11888 if (setup.user_mpm)
11889 cfg.auto_open_plinks = false;
11891 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
11892 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
11896 /* __cfg80211_join_mesh() will sort it out */
11897 setup.chandef.chan = NULL;
11900 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
11901 u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
11903 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
11904 struct ieee80211_supported_band *sband;
11906 if (!setup.chandef.chan)
11909 sband = rdev->wiphy.bands[setup.chandef.chan->band];
11911 err = ieee80211_get_ratemask(sband, rates, n_rates,
11912 &setup.basic_rates);
11917 if (info->attrs[NL80211_ATTR_TX_RATES]) {
11918 err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
11919 NL80211_ATTR_TX_RATES,
11920 &setup.beacon_rate,
11925 if (!setup.chandef.chan)
11928 err = validate_beacon_tx_rate(rdev, setup.chandef.chan->band,
11929 &setup.beacon_rate);
11934 setup.userspace_handles_dfs =
11935 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
11937 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
11938 int r = validate_pae_over_nl80211(rdev, info);
11943 setup.control_port_over_nl80211 = true;
11946 wdev_lock(dev->ieee80211_ptr);
11947 err = __cfg80211_join_mesh(rdev, dev, &setup, &cfg);
11948 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER])
11949 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
11950 wdev_unlock(dev->ieee80211_ptr);
11955 static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info)
11957 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11958 struct net_device *dev = info->user_ptr[1];
11960 return cfg80211_leave_mesh(rdev, dev);
11964 static int nl80211_send_wowlan_patterns(struct sk_buff *msg,
11965 struct cfg80211_registered_device *rdev)
11967 struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config;
11968 struct nlattr *nl_pats, *nl_pat;
11971 if (!wowlan->n_patterns)
11974 nl_pats = nla_nest_start_noflag(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN);
11978 for (i = 0; i < wowlan->n_patterns; i++) {
11979 nl_pat = nla_nest_start_noflag(msg, i + 1);
11982 pat_len = wowlan->patterns[i].pattern_len;
11983 if (nla_put(msg, NL80211_PKTPAT_MASK, DIV_ROUND_UP(pat_len, 8),
11984 wowlan->patterns[i].mask) ||
11985 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
11986 wowlan->patterns[i].pattern) ||
11987 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
11988 wowlan->patterns[i].pkt_offset))
11990 nla_nest_end(msg, nl_pat);
11992 nla_nest_end(msg, nl_pats);
11997 static int nl80211_send_wowlan_tcp(struct sk_buff *msg,
11998 struct cfg80211_wowlan_tcp *tcp)
12000 struct nlattr *nl_tcp;
12005 nl_tcp = nla_nest_start_noflag(msg,
12006 NL80211_WOWLAN_TRIG_TCP_CONNECTION);
12010 if (nla_put_in_addr(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) ||
12011 nla_put_in_addr(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) ||
12012 nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) ||
12013 nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) ||
12014 nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) ||
12015 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
12016 tcp->payload_len, tcp->payload) ||
12017 nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
12018 tcp->data_interval) ||
12019 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
12020 tcp->wake_len, tcp->wake_data) ||
12021 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK,
12022 DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask))
12025 if (tcp->payload_seq.len &&
12026 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ,
12027 sizeof(tcp->payload_seq), &tcp->payload_seq))
12030 if (tcp->payload_tok.len &&
12031 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
12032 sizeof(tcp->payload_tok) + tcp->tokens_size,
12033 &tcp->payload_tok))
12036 nla_nest_end(msg, nl_tcp);
12041 static int nl80211_send_wowlan_nd(struct sk_buff *msg,
12042 struct cfg80211_sched_scan_request *req)
12044 struct nlattr *nd, *freqs, *matches, *match, *scan_plans, *scan_plan;
12050 nd = nla_nest_start_noflag(msg, NL80211_WOWLAN_TRIG_NET_DETECT);
12054 if (req->n_scan_plans == 1 &&
12055 nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_INTERVAL,
12056 req->scan_plans[0].interval * 1000))
12059 if (nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_DELAY, req->delay))
12062 if (req->relative_rssi_set) {
12063 struct nl80211_bss_select_rssi_adjust rssi_adjust;
12065 if (nla_put_s8(msg, NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI,
12066 req->relative_rssi))
12069 rssi_adjust.band = req->rssi_adjust.band;
12070 rssi_adjust.delta = req->rssi_adjust.delta;
12071 if (nla_put(msg, NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST,
12072 sizeof(rssi_adjust), &rssi_adjust))
12076 freqs = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_FREQUENCIES);
12080 for (i = 0; i < req->n_channels; i++) {
12081 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
12085 nla_nest_end(msg, freqs);
12087 if (req->n_match_sets) {
12088 matches = nla_nest_start_noflag(msg,
12089 NL80211_ATTR_SCHED_SCAN_MATCH);
12093 for (i = 0; i < req->n_match_sets; i++) {
12094 match = nla_nest_start_noflag(msg, i);
12098 if (nla_put(msg, NL80211_SCHED_SCAN_MATCH_ATTR_SSID,
12099 req->match_sets[i].ssid.ssid_len,
12100 req->match_sets[i].ssid.ssid))
12102 nla_nest_end(msg, match);
12104 nla_nest_end(msg, matches);
12107 scan_plans = nla_nest_start_noflag(msg, NL80211_ATTR_SCHED_SCAN_PLANS);
12111 for (i = 0; i < req->n_scan_plans; i++) {
12112 scan_plan = nla_nest_start_noflag(msg, i + 1);
12116 if (nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_INTERVAL,
12117 req->scan_plans[i].interval) ||
12118 (req->scan_plans[i].iterations &&
12119 nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_ITERATIONS,
12120 req->scan_plans[i].iterations)))
12122 nla_nest_end(msg, scan_plan);
12124 nla_nest_end(msg, scan_plans);
12126 nla_nest_end(msg, nd);
12131 static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info)
12133 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12134 struct sk_buff *msg;
12136 u32 size = NLMSG_DEFAULT_SIZE;
12138 if (!rdev->wiphy.wowlan)
12139 return -EOPNOTSUPP;
12141 if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) {
12142 /* adjust size to have room for all the data */
12143 size += rdev->wiphy.wowlan_config->tcp->tokens_size +
12144 rdev->wiphy.wowlan_config->tcp->payload_len +
12145 rdev->wiphy.wowlan_config->tcp->wake_len +
12146 rdev->wiphy.wowlan_config->tcp->wake_len / 8;
12149 msg = nlmsg_new(size, GFP_KERNEL);
12153 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12154 NL80211_CMD_GET_WOWLAN);
12156 goto nla_put_failure;
12158 if (rdev->wiphy.wowlan_config) {
12159 struct nlattr *nl_wowlan;
12161 nl_wowlan = nla_nest_start_noflag(msg,
12162 NL80211_ATTR_WOWLAN_TRIGGERS);
12164 goto nla_put_failure;
12166 if ((rdev->wiphy.wowlan_config->any &&
12167 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
12168 (rdev->wiphy.wowlan_config->disconnect &&
12169 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
12170 (rdev->wiphy.wowlan_config->magic_pkt &&
12171 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
12172 (rdev->wiphy.wowlan_config->gtk_rekey_failure &&
12173 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
12174 (rdev->wiphy.wowlan_config->eap_identity_req &&
12175 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
12176 (rdev->wiphy.wowlan_config->four_way_handshake &&
12177 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
12178 (rdev->wiphy.wowlan_config->rfkill_release &&
12179 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
12180 goto nla_put_failure;
12182 if (nl80211_send_wowlan_patterns(msg, rdev))
12183 goto nla_put_failure;
12185 if (nl80211_send_wowlan_tcp(msg,
12186 rdev->wiphy.wowlan_config->tcp))
12187 goto nla_put_failure;
12189 if (nl80211_send_wowlan_nd(
12191 rdev->wiphy.wowlan_config->nd_config))
12192 goto nla_put_failure;
12194 nla_nest_end(msg, nl_wowlan);
12197 genlmsg_end(msg, hdr);
12198 return genlmsg_reply(msg, info);
12205 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev,
12206 struct nlattr *attr,
12207 struct cfg80211_wowlan *trig)
12209 struct nlattr *tb[NUM_NL80211_WOWLAN_TCP];
12210 struct cfg80211_wowlan_tcp *cfg;
12211 struct nl80211_wowlan_tcp_data_token *tok = NULL;
12212 struct nl80211_wowlan_tcp_data_seq *seq = NULL;
12214 u32 data_size, wake_size, tokens_size = 0, wake_mask_size;
12217 if (!rdev->wiphy.wowlan->tcp)
12220 err = nla_parse_nested_deprecated(tb, MAX_NL80211_WOWLAN_TCP, attr,
12221 nl80211_wowlan_tcp_policy, NULL);
12225 if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] ||
12226 !tb[NL80211_WOWLAN_TCP_DST_IPV4] ||
12227 !tb[NL80211_WOWLAN_TCP_DST_MAC] ||
12228 !tb[NL80211_WOWLAN_TCP_DST_PORT] ||
12229 !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] ||
12230 !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] ||
12231 !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] ||
12232 !tb[NL80211_WOWLAN_TCP_WAKE_MASK])
12235 data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]);
12236 if (data_size > rdev->wiphy.wowlan->tcp->data_payload_max)
12239 if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) >
12240 rdev->wiphy.wowlan->tcp->data_interval_max ||
12241 nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0)
12244 wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]);
12245 if (wake_size > rdev->wiphy.wowlan->tcp->wake_payload_max)
12248 wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]);
12249 if (wake_mask_size != DIV_ROUND_UP(wake_size, 8))
12252 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) {
12253 u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
12255 tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
12256 tokens_size = tokln - sizeof(*tok);
12258 if (!tok->len || tokens_size % tok->len)
12260 if (!rdev->wiphy.wowlan->tcp->tok)
12262 if (tok->len > rdev->wiphy.wowlan->tcp->tok->max_len)
12264 if (tok->len < rdev->wiphy.wowlan->tcp->tok->min_len)
12266 if (tokens_size > rdev->wiphy.wowlan->tcp->tok->bufsize)
12268 if (tok->offset + tok->len > data_size)
12272 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) {
12273 seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]);
12274 if (!rdev->wiphy.wowlan->tcp->seq)
12276 if (seq->len == 0 || seq->len > 4)
12278 if (seq->len + seq->offset > data_size)
12282 size = sizeof(*cfg);
12284 size += wake_size + wake_mask_size;
12285 size += tokens_size;
12287 cfg = kzalloc(size, GFP_KERNEL);
12290 cfg->src = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_SRC_IPV4]);
12291 cfg->dst = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_DST_IPV4]);
12292 memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]),
12294 if (tb[NL80211_WOWLAN_TCP_SRC_PORT])
12295 port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]);
12299 /* allocate a socket and port for it and use it */
12300 err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM,
12301 IPPROTO_TCP, &cfg->sock, 1);
12306 if (inet_csk_get_port(cfg->sock->sk, port)) {
12307 sock_release(cfg->sock);
12309 return -EADDRINUSE;
12311 cfg->src_port = inet_sk(cfg->sock->sk)->inet_num;
12317 cfg->src_port = port;
12320 cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]);
12321 cfg->payload_len = data_size;
12322 cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size;
12323 memcpy((void *)cfg->payload,
12324 nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]),
12327 cfg->payload_seq = *seq;
12328 cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]);
12329 cfg->wake_len = wake_size;
12330 cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size;
12331 memcpy((void *)cfg->wake_data,
12332 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]),
12334 cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size +
12335 data_size + wake_size;
12336 memcpy((void *)cfg->wake_mask,
12337 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]),
12340 cfg->tokens_size = tokens_size;
12341 memcpy(&cfg->payload_tok, tok, sizeof(*tok) + tokens_size);
12349 static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device *rdev,
12350 const struct wiphy_wowlan_support *wowlan,
12351 struct nlattr *attr,
12352 struct cfg80211_wowlan *trig)
12354 struct nlattr **tb;
12357 tb = kcalloc(NUM_NL80211_ATTR, sizeof(*tb), GFP_KERNEL);
12361 if (!(wowlan->flags & WIPHY_WOWLAN_NET_DETECT)) {
12366 err = nla_parse_nested_deprecated(tb, NL80211_ATTR_MAX, attr,
12367 nl80211_policy, NULL);
12371 trig->nd_config = nl80211_parse_sched_scan(&rdev->wiphy, NULL, tb,
12372 wowlan->max_nd_match_sets);
12373 err = PTR_ERR_OR_ZERO(trig->nd_config);
12375 trig->nd_config = NULL;
12382 static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
12384 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12385 struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG];
12386 struct cfg80211_wowlan new_triggers = {};
12387 struct cfg80211_wowlan *ntrig;
12388 const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan;
12390 bool prev_enabled = rdev->wiphy.wowlan_config;
12391 bool regular = false;
12394 return -EOPNOTSUPP;
12396 if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) {
12397 cfg80211_rdev_free_wowlan(rdev);
12398 rdev->wiphy.wowlan_config = NULL;
12402 err = nla_parse_nested_deprecated(tb, MAX_NL80211_WOWLAN_TRIG,
12403 info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS],
12404 nl80211_wowlan_policy, info->extack);
12408 if (tb[NL80211_WOWLAN_TRIG_ANY]) {
12409 if (!(wowlan->flags & WIPHY_WOWLAN_ANY))
12411 new_triggers.any = true;
12414 if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) {
12415 if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT))
12417 new_triggers.disconnect = true;
12421 if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) {
12422 if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT))
12424 new_triggers.magic_pkt = true;
12428 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED])
12431 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) {
12432 if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE))
12434 new_triggers.gtk_rekey_failure = true;
12438 if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) {
12439 if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ))
12441 new_triggers.eap_identity_req = true;
12445 if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) {
12446 if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE))
12448 new_triggers.four_way_handshake = true;
12452 if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) {
12453 if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE))
12455 new_triggers.rfkill_release = true;
12459 if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) {
12460 struct nlattr *pat;
12461 int n_patterns = 0;
12462 int rem, pat_len, mask_len, pkt_offset;
12463 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
12467 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
12470 if (n_patterns > wowlan->n_patterns)
12473 new_triggers.patterns = kcalloc(n_patterns,
12474 sizeof(new_triggers.patterns[0]),
12476 if (!new_triggers.patterns)
12479 new_triggers.n_patterns = n_patterns;
12482 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
12486 err = nla_parse_nested_deprecated(pat_tb,
12487 MAX_NL80211_PKTPAT,
12489 nl80211_packet_pattern_policy,
12495 if (!pat_tb[NL80211_PKTPAT_MASK] ||
12496 !pat_tb[NL80211_PKTPAT_PATTERN])
12498 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
12499 mask_len = DIV_ROUND_UP(pat_len, 8);
12500 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
12502 if (pat_len > wowlan->pattern_max_len ||
12503 pat_len < wowlan->pattern_min_len)
12506 if (!pat_tb[NL80211_PKTPAT_OFFSET])
12509 pkt_offset = nla_get_u32(
12510 pat_tb[NL80211_PKTPAT_OFFSET]);
12511 if (pkt_offset > wowlan->max_pkt_offset)
12513 new_triggers.patterns[i].pkt_offset = pkt_offset;
12515 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
12520 new_triggers.patterns[i].mask = mask_pat;
12521 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
12523 mask_pat += mask_len;
12524 new_triggers.patterns[i].pattern = mask_pat;
12525 new_triggers.patterns[i].pattern_len = pat_len;
12527 nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
12533 if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) {
12535 err = nl80211_parse_wowlan_tcp(
12536 rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION],
12542 if (tb[NL80211_WOWLAN_TRIG_NET_DETECT]) {
12544 err = nl80211_parse_wowlan_nd(
12545 rdev, wowlan, tb[NL80211_WOWLAN_TRIG_NET_DETECT],
12551 /* The 'any' trigger means the device continues operating more or less
12552 * as in its normal operation mode and wakes up the host on most of the
12553 * normal interrupts (like packet RX, ...)
12554 * It therefore makes little sense to combine with the more constrained
12555 * wakeup trigger modes.
12557 if (new_triggers.any && regular) {
12562 ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL);
12567 cfg80211_rdev_free_wowlan(rdev);
12568 rdev->wiphy.wowlan_config = ntrig;
12571 if (rdev->ops->set_wakeup &&
12572 prev_enabled != !!rdev->wiphy.wowlan_config)
12573 rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config);
12577 for (i = 0; i < new_triggers.n_patterns; i++)
12578 kfree(new_triggers.patterns[i].mask);
12579 kfree(new_triggers.patterns);
12580 if (new_triggers.tcp && new_triggers.tcp->sock)
12581 sock_release(new_triggers.tcp->sock);
12582 kfree(new_triggers.tcp);
12583 kfree(new_triggers.nd_config);
12588 static int nl80211_send_coalesce_rules(struct sk_buff *msg,
12589 struct cfg80211_registered_device *rdev)
12591 struct nlattr *nl_pats, *nl_pat, *nl_rule, *nl_rules;
12593 struct cfg80211_coalesce_rules *rule;
12595 if (!rdev->coalesce->n_rules)
12598 nl_rules = nla_nest_start_noflag(msg, NL80211_ATTR_COALESCE_RULE);
12602 for (i = 0; i < rdev->coalesce->n_rules; i++) {
12603 nl_rule = nla_nest_start_noflag(msg, i + 1);
12607 rule = &rdev->coalesce->rules[i];
12608 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_DELAY,
12612 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_CONDITION,
12616 nl_pats = nla_nest_start_noflag(msg,
12617 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN);
12621 for (j = 0; j < rule->n_patterns; j++) {
12622 nl_pat = nla_nest_start_noflag(msg, j + 1);
12625 pat_len = rule->patterns[j].pattern_len;
12626 if (nla_put(msg, NL80211_PKTPAT_MASK,
12627 DIV_ROUND_UP(pat_len, 8),
12628 rule->patterns[j].mask) ||
12629 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
12630 rule->patterns[j].pattern) ||
12631 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
12632 rule->patterns[j].pkt_offset))
12634 nla_nest_end(msg, nl_pat);
12636 nla_nest_end(msg, nl_pats);
12637 nla_nest_end(msg, nl_rule);
12639 nla_nest_end(msg, nl_rules);
12644 static int nl80211_get_coalesce(struct sk_buff *skb, struct genl_info *info)
12646 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12647 struct sk_buff *msg;
12650 if (!rdev->wiphy.coalesce)
12651 return -EOPNOTSUPP;
12653 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12657 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12658 NL80211_CMD_GET_COALESCE);
12660 goto nla_put_failure;
12662 if (rdev->coalesce && nl80211_send_coalesce_rules(msg, rdev))
12663 goto nla_put_failure;
12665 genlmsg_end(msg, hdr);
12666 return genlmsg_reply(msg, info);
12673 void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev)
12675 struct cfg80211_coalesce *coalesce = rdev->coalesce;
12677 struct cfg80211_coalesce_rules *rule;
12682 for (i = 0; i < coalesce->n_rules; i++) {
12683 rule = &coalesce->rules[i];
12684 for (j = 0; j < rule->n_patterns; j++)
12685 kfree(rule->patterns[j].mask);
12686 kfree(rule->patterns);
12688 kfree(coalesce->rules);
12690 rdev->coalesce = NULL;
12693 static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev,
12694 struct nlattr *rule,
12695 struct cfg80211_coalesce_rules *new_rule)
12698 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
12699 struct nlattr *tb[NUM_NL80211_ATTR_COALESCE_RULE], *pat;
12700 int rem, pat_len, mask_len, pkt_offset, n_patterns = 0;
12701 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
12703 err = nla_parse_nested_deprecated(tb, NL80211_ATTR_COALESCE_RULE_MAX,
12704 rule, nl80211_coalesce_policy, NULL);
12708 if (tb[NL80211_ATTR_COALESCE_RULE_DELAY])
12710 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_DELAY]);
12711 if (new_rule->delay > coalesce->max_delay)
12714 if (tb[NL80211_ATTR_COALESCE_RULE_CONDITION])
12715 new_rule->condition =
12716 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_CONDITION]);
12718 if (!tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN])
12721 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
12724 if (n_patterns > coalesce->n_patterns)
12727 new_rule->patterns = kcalloc(n_patterns, sizeof(new_rule->patterns[0]),
12729 if (!new_rule->patterns)
12732 new_rule->n_patterns = n_patterns;
12735 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
12739 err = nla_parse_nested_deprecated(pat_tb, MAX_NL80211_PKTPAT,
12741 nl80211_packet_pattern_policy,
12746 if (!pat_tb[NL80211_PKTPAT_MASK] ||
12747 !pat_tb[NL80211_PKTPAT_PATTERN])
12749 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
12750 mask_len = DIV_ROUND_UP(pat_len, 8);
12751 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
12753 if (pat_len > coalesce->pattern_max_len ||
12754 pat_len < coalesce->pattern_min_len)
12757 if (!pat_tb[NL80211_PKTPAT_OFFSET])
12760 pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]);
12761 if (pkt_offset > coalesce->max_pkt_offset)
12763 new_rule->patterns[i].pkt_offset = pkt_offset;
12765 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
12769 new_rule->patterns[i].mask = mask_pat;
12770 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
12773 mask_pat += mask_len;
12774 new_rule->patterns[i].pattern = mask_pat;
12775 new_rule->patterns[i].pattern_len = pat_len;
12776 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
12784 static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info)
12786 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12787 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
12788 struct cfg80211_coalesce new_coalesce = {};
12789 struct cfg80211_coalesce *n_coalesce;
12790 int err, rem_rule, n_rules = 0, i, j;
12791 struct nlattr *rule;
12792 struct cfg80211_coalesce_rules *tmp_rule;
12794 if (!rdev->wiphy.coalesce || !rdev->ops->set_coalesce)
12795 return -EOPNOTSUPP;
12797 if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) {
12798 cfg80211_rdev_free_coalesce(rdev);
12799 rdev_set_coalesce(rdev, NULL);
12803 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
12806 if (n_rules > coalesce->n_rules)
12809 new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]),
12811 if (!new_coalesce.rules)
12814 new_coalesce.n_rules = n_rules;
12817 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
12819 err = nl80211_parse_coalesce_rule(rdev, rule,
12820 &new_coalesce.rules[i]);
12827 err = rdev_set_coalesce(rdev, &new_coalesce);
12831 n_coalesce = kmemdup(&new_coalesce, sizeof(new_coalesce), GFP_KERNEL);
12836 cfg80211_rdev_free_coalesce(rdev);
12837 rdev->coalesce = n_coalesce;
12841 for (i = 0; i < new_coalesce.n_rules; i++) {
12842 tmp_rule = &new_coalesce.rules[i];
12843 for (j = 0; j < tmp_rule->n_patterns; j++)
12844 kfree(tmp_rule->patterns[j].mask);
12845 kfree(tmp_rule->patterns);
12847 kfree(new_coalesce.rules);
12852 static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info)
12854 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12855 struct net_device *dev = info->user_ptr[1];
12856 struct wireless_dev *wdev = dev->ieee80211_ptr;
12857 struct nlattr *tb[NUM_NL80211_REKEY_DATA];
12858 struct cfg80211_gtk_rekey_data rekey_data = {};
12861 if (!info->attrs[NL80211_ATTR_REKEY_DATA])
12864 err = nla_parse_nested_deprecated(tb, MAX_NL80211_REKEY_DATA,
12865 info->attrs[NL80211_ATTR_REKEY_DATA],
12866 nl80211_rekey_policy, info->extack);
12870 if (!tb[NL80211_REKEY_DATA_REPLAY_CTR] || !tb[NL80211_REKEY_DATA_KEK] ||
12871 !tb[NL80211_REKEY_DATA_KCK])
12873 if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN &&
12874 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK &&
12875 nla_len(tb[NL80211_REKEY_DATA_KEK]) == NL80211_KEK_EXT_LEN))
12877 if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN &&
12878 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK &&
12879 nla_len(tb[NL80211_REKEY_DATA_KEK]) == NL80211_KCK_EXT_LEN))
12882 rekey_data.kek = nla_data(tb[NL80211_REKEY_DATA_KEK]);
12883 rekey_data.kck = nla_data(tb[NL80211_REKEY_DATA_KCK]);
12884 rekey_data.replay_ctr = nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]);
12885 rekey_data.kek_len = nla_len(tb[NL80211_REKEY_DATA_KEK]);
12886 rekey_data.kck_len = nla_len(tb[NL80211_REKEY_DATA_KCK]);
12887 if (tb[NL80211_REKEY_DATA_AKM])
12888 rekey_data.akm = nla_get_u32(tb[NL80211_REKEY_DATA_AKM]);
12891 if (!wdev->current_bss) {
12896 if (!rdev->ops->set_rekey_data) {
12901 err = rdev_set_rekey_data(rdev, dev, &rekey_data);
12907 static int nl80211_register_unexpected_frame(struct sk_buff *skb,
12908 struct genl_info *info)
12910 struct net_device *dev = info->user_ptr[1];
12911 struct wireless_dev *wdev = dev->ieee80211_ptr;
12913 if (wdev->iftype != NL80211_IFTYPE_AP &&
12914 wdev->iftype != NL80211_IFTYPE_P2P_GO)
12917 if (wdev->ap_unexpected_nlportid)
12920 wdev->ap_unexpected_nlportid = info->snd_portid;
12924 static int nl80211_probe_client(struct sk_buff *skb,
12925 struct genl_info *info)
12927 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12928 struct net_device *dev = info->user_ptr[1];
12929 struct wireless_dev *wdev = dev->ieee80211_ptr;
12930 struct sk_buff *msg;
12936 if (wdev->iftype != NL80211_IFTYPE_AP &&
12937 wdev->iftype != NL80211_IFTYPE_P2P_GO)
12938 return -EOPNOTSUPP;
12940 if (!info->attrs[NL80211_ATTR_MAC])
12943 if (!rdev->ops->probe_client)
12944 return -EOPNOTSUPP;
12946 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12950 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12951 NL80211_CMD_PROBE_CLIENT);
12957 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
12959 err = rdev_probe_client(rdev, dev, addr, &cookie);
12963 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
12965 goto nla_put_failure;
12967 genlmsg_end(msg, hdr);
12969 return genlmsg_reply(msg, info);
12978 static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info)
12980 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12981 struct cfg80211_beacon_registration *reg, *nreg;
12984 if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS))
12985 return -EOPNOTSUPP;
12987 nreg = kzalloc(sizeof(*nreg), GFP_KERNEL);
12991 /* First, check if already registered. */
12992 spin_lock_bh(&rdev->beacon_registrations_lock);
12993 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
12994 if (reg->nlportid == info->snd_portid) {
12999 /* Add it to the list */
13000 nreg->nlportid = info->snd_portid;
13001 list_add(&nreg->list, &rdev->beacon_registrations);
13003 spin_unlock_bh(&rdev->beacon_registrations_lock);
13007 spin_unlock_bh(&rdev->beacon_registrations_lock);
13012 static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info)
13014 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13015 struct wireless_dev *wdev = info->user_ptr[1];
13018 if (!rdev->ops->start_p2p_device)
13019 return -EOPNOTSUPP;
13021 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
13022 return -EOPNOTSUPP;
13024 if (wdev_running(wdev))
13027 if (rfkill_blocked(rdev->rfkill))
13030 err = rdev_start_p2p_device(rdev, wdev);
13034 wdev->is_running = true;
13040 static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info)
13042 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13043 struct wireless_dev *wdev = info->user_ptr[1];
13045 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
13046 return -EOPNOTSUPP;
13048 if (!rdev->ops->stop_p2p_device)
13049 return -EOPNOTSUPP;
13051 cfg80211_stop_p2p_device(rdev, wdev);
13056 static int nl80211_start_nan(struct sk_buff *skb, struct genl_info *info)
13058 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13059 struct wireless_dev *wdev = info->user_ptr[1];
13060 struct cfg80211_nan_conf conf = {};
13063 if (wdev->iftype != NL80211_IFTYPE_NAN)
13064 return -EOPNOTSUPP;
13066 if (wdev_running(wdev))
13069 if (rfkill_blocked(rdev->rfkill))
13072 if (!info->attrs[NL80211_ATTR_NAN_MASTER_PREF])
13076 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
13078 if (info->attrs[NL80211_ATTR_BANDS]) {
13079 u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]);
13081 if (bands & ~(u32)wdev->wiphy->nan_supported_bands)
13082 return -EOPNOTSUPP;
13084 if (bands && !(bands & BIT(NL80211_BAND_2GHZ)))
13087 conf.bands = bands;
13090 err = rdev_start_nan(rdev, wdev, &conf);
13094 wdev->is_running = true;
13100 static int nl80211_stop_nan(struct sk_buff *skb, struct genl_info *info)
13102 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13103 struct wireless_dev *wdev = info->user_ptr[1];
13105 if (wdev->iftype != NL80211_IFTYPE_NAN)
13106 return -EOPNOTSUPP;
13108 cfg80211_stop_nan(rdev, wdev);
13113 static int validate_nan_filter(struct nlattr *filter_attr)
13115 struct nlattr *attr;
13116 int len = 0, n_entries = 0, rem;
13118 nla_for_each_nested(attr, filter_attr, rem) {
13119 len += nla_len(attr);
13129 static int handle_nan_filter(struct nlattr *attr_filter,
13130 struct cfg80211_nan_func *func,
13133 struct nlattr *attr;
13134 int n_entries, rem, i;
13135 struct cfg80211_nan_func_filter *filter;
13137 n_entries = validate_nan_filter(attr_filter);
13141 BUILD_BUG_ON(sizeof(*func->rx_filters) != sizeof(*func->tx_filters));
13143 filter = kcalloc(n_entries, sizeof(*func->rx_filters), GFP_KERNEL);
13148 nla_for_each_nested(attr, attr_filter, rem) {
13149 filter[i].filter = nla_memdup(attr, GFP_KERNEL);
13150 filter[i].len = nla_len(attr);
13154 func->num_tx_filters = n_entries;
13155 func->tx_filters = filter;
13157 func->num_rx_filters = n_entries;
13158 func->rx_filters = filter;
13164 static int nl80211_nan_add_func(struct sk_buff *skb,
13165 struct genl_info *info)
13167 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13168 struct wireless_dev *wdev = info->user_ptr[1];
13169 struct nlattr *tb[NUM_NL80211_NAN_FUNC_ATTR], *func_attr;
13170 struct cfg80211_nan_func *func;
13171 struct sk_buff *msg = NULL;
13175 if (wdev->iftype != NL80211_IFTYPE_NAN)
13176 return -EOPNOTSUPP;
13178 if (!wdev_running(wdev))
13181 if (!info->attrs[NL80211_ATTR_NAN_FUNC])
13184 err = nla_parse_nested_deprecated(tb, NL80211_NAN_FUNC_ATTR_MAX,
13185 info->attrs[NL80211_ATTR_NAN_FUNC],
13186 nl80211_nan_func_policy,
13191 func = kzalloc(sizeof(*func), GFP_KERNEL);
13195 func->cookie = cfg80211_assign_cookie(rdev);
13197 if (!tb[NL80211_NAN_FUNC_TYPE]) {
13203 func->type = nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]);
13205 if (!tb[NL80211_NAN_FUNC_SERVICE_ID]) {
13210 memcpy(func->service_id, nla_data(tb[NL80211_NAN_FUNC_SERVICE_ID]),
13211 sizeof(func->service_id));
13213 func->close_range =
13214 nla_get_flag(tb[NL80211_NAN_FUNC_CLOSE_RANGE]);
13216 if (tb[NL80211_NAN_FUNC_SERVICE_INFO]) {
13217 func->serv_spec_info_len =
13218 nla_len(tb[NL80211_NAN_FUNC_SERVICE_INFO]);
13219 func->serv_spec_info =
13220 kmemdup(nla_data(tb[NL80211_NAN_FUNC_SERVICE_INFO]),
13221 func->serv_spec_info_len,
13223 if (!func->serv_spec_info) {
13229 if (tb[NL80211_NAN_FUNC_TTL])
13230 func->ttl = nla_get_u32(tb[NL80211_NAN_FUNC_TTL]);
13232 switch (func->type) {
13233 case NL80211_NAN_FUNC_PUBLISH:
13234 if (!tb[NL80211_NAN_FUNC_PUBLISH_TYPE]) {
13239 func->publish_type =
13240 nla_get_u8(tb[NL80211_NAN_FUNC_PUBLISH_TYPE]);
13241 func->publish_bcast =
13242 nla_get_flag(tb[NL80211_NAN_FUNC_PUBLISH_BCAST]);
13244 if ((!(func->publish_type & NL80211_NAN_SOLICITED_PUBLISH)) &&
13245 func->publish_bcast) {
13250 case NL80211_NAN_FUNC_SUBSCRIBE:
13251 func->subscribe_active =
13252 nla_get_flag(tb[NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE]);
13254 case NL80211_NAN_FUNC_FOLLOW_UP:
13255 if (!tb[NL80211_NAN_FUNC_FOLLOW_UP_ID] ||
13256 !tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] ||
13257 !tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]) {
13262 func->followup_id =
13263 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_ID]);
13264 func->followup_reqid =
13265 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID]);
13266 memcpy(func->followup_dest.addr,
13267 nla_data(tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]),
13268 sizeof(func->followup_dest.addr));
13279 if (tb[NL80211_NAN_FUNC_SRF]) {
13280 struct nlattr *srf_tb[NUM_NL80211_NAN_SRF_ATTR];
13282 err = nla_parse_nested_deprecated(srf_tb,
13283 NL80211_NAN_SRF_ATTR_MAX,
13284 tb[NL80211_NAN_FUNC_SRF],
13285 nl80211_nan_srf_policy,
13290 func->srf_include =
13291 nla_get_flag(srf_tb[NL80211_NAN_SRF_INCLUDE]);
13293 if (srf_tb[NL80211_NAN_SRF_BF]) {
13294 if (srf_tb[NL80211_NAN_SRF_MAC_ADDRS] ||
13295 !srf_tb[NL80211_NAN_SRF_BF_IDX]) {
13301 nla_len(srf_tb[NL80211_NAN_SRF_BF]);
13303 kmemdup(nla_data(srf_tb[NL80211_NAN_SRF_BF]),
13304 func->srf_bf_len, GFP_KERNEL);
13305 if (!func->srf_bf) {
13311 nla_get_u8(srf_tb[NL80211_NAN_SRF_BF_IDX]);
13313 struct nlattr *attr, *mac_attr =
13314 srf_tb[NL80211_NAN_SRF_MAC_ADDRS];
13315 int n_entries, rem, i = 0;
13322 n_entries = validate_acl_mac_addrs(mac_attr);
13323 if (n_entries <= 0) {
13328 func->srf_num_macs = n_entries;
13330 kcalloc(n_entries, sizeof(*func->srf_macs),
13332 if (!func->srf_macs) {
13337 nla_for_each_nested(attr, mac_attr, rem)
13338 memcpy(func->srf_macs[i++].addr, nla_data(attr),
13339 sizeof(*func->srf_macs));
13343 if (tb[NL80211_NAN_FUNC_TX_MATCH_FILTER]) {
13344 err = handle_nan_filter(tb[NL80211_NAN_FUNC_TX_MATCH_FILTER],
13350 if (tb[NL80211_NAN_FUNC_RX_MATCH_FILTER]) {
13351 err = handle_nan_filter(tb[NL80211_NAN_FUNC_RX_MATCH_FILTER],
13357 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
13363 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
13364 NL80211_CMD_ADD_NAN_FUNCTION);
13365 /* This can't really happen - we just allocated 4KB */
13366 if (WARN_ON(!hdr)) {
13371 err = rdev_add_nan_func(rdev, wdev, func);
13374 cfg80211_free_nan_func(func);
13379 /* propagate the instance id and cookie to userspace */
13380 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, func->cookie,
13382 goto nla_put_failure;
13384 func_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_FUNC);
13386 goto nla_put_failure;
13388 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID,
13389 func->instance_id))
13390 goto nla_put_failure;
13392 nla_nest_end(msg, func_attr);
13394 genlmsg_end(msg, hdr);
13395 return genlmsg_reply(msg, info);
13402 static int nl80211_nan_del_func(struct sk_buff *skb,
13403 struct genl_info *info)
13405 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13406 struct wireless_dev *wdev = info->user_ptr[1];
13409 if (wdev->iftype != NL80211_IFTYPE_NAN)
13410 return -EOPNOTSUPP;
13412 if (!wdev_running(wdev))
13415 if (!info->attrs[NL80211_ATTR_COOKIE])
13418 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
13420 rdev_del_nan_func(rdev, wdev, cookie);
13425 static int nl80211_nan_change_config(struct sk_buff *skb,
13426 struct genl_info *info)
13428 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13429 struct wireless_dev *wdev = info->user_ptr[1];
13430 struct cfg80211_nan_conf conf = {};
13433 if (wdev->iftype != NL80211_IFTYPE_NAN)
13434 return -EOPNOTSUPP;
13436 if (!wdev_running(wdev))
13439 if (info->attrs[NL80211_ATTR_NAN_MASTER_PREF]) {
13441 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
13442 if (conf.master_pref <= 1 || conf.master_pref == 255)
13445 changed |= CFG80211_NAN_CONF_CHANGED_PREF;
13448 if (info->attrs[NL80211_ATTR_BANDS]) {
13449 u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]);
13451 if (bands & ~(u32)wdev->wiphy->nan_supported_bands)
13452 return -EOPNOTSUPP;
13454 if (bands && !(bands & BIT(NL80211_BAND_2GHZ)))
13457 conf.bands = bands;
13458 changed |= CFG80211_NAN_CONF_CHANGED_BANDS;
13464 return rdev_nan_change_conf(rdev, wdev, &conf, changed);
13467 void cfg80211_nan_match(struct wireless_dev *wdev,
13468 struct cfg80211_nan_match_params *match, gfp_t gfp)
13470 struct wiphy *wiphy = wdev->wiphy;
13471 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
13472 struct nlattr *match_attr, *local_func_attr, *peer_func_attr;
13473 struct sk_buff *msg;
13476 if (WARN_ON(!match->inst_id || !match->peer_inst_id || !match->addr))
13479 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
13483 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NAN_MATCH);
13489 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13490 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
13491 wdev->netdev->ifindex)) ||
13492 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
13494 goto nla_put_failure;
13496 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, match->cookie,
13497 NL80211_ATTR_PAD) ||
13498 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, match->addr))
13499 goto nla_put_failure;
13501 match_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_MATCH);
13503 goto nla_put_failure;
13505 local_func_attr = nla_nest_start_noflag(msg,
13506 NL80211_NAN_MATCH_FUNC_LOCAL);
13507 if (!local_func_attr)
13508 goto nla_put_failure;
13510 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->inst_id))
13511 goto nla_put_failure;
13513 nla_nest_end(msg, local_func_attr);
13515 peer_func_attr = nla_nest_start_noflag(msg,
13516 NL80211_NAN_MATCH_FUNC_PEER);
13517 if (!peer_func_attr)
13518 goto nla_put_failure;
13520 if (nla_put_u8(msg, NL80211_NAN_FUNC_TYPE, match->type) ||
13521 nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->peer_inst_id))
13522 goto nla_put_failure;
13524 if (match->info && match->info_len &&
13525 nla_put(msg, NL80211_NAN_FUNC_SERVICE_INFO, match->info_len,
13527 goto nla_put_failure;
13529 nla_nest_end(msg, peer_func_attr);
13530 nla_nest_end(msg, match_attr);
13531 genlmsg_end(msg, hdr);
13533 if (!wdev->owner_nlportid)
13534 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
13535 msg, 0, NL80211_MCGRP_NAN, gfp);
13537 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
13538 wdev->owner_nlportid);
13545 EXPORT_SYMBOL(cfg80211_nan_match);
13547 void cfg80211_nan_func_terminated(struct wireless_dev *wdev,
13549 enum nl80211_nan_func_term_reason reason,
13550 u64 cookie, gfp_t gfp)
13552 struct wiphy *wiphy = wdev->wiphy;
13553 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
13554 struct sk_buff *msg;
13555 struct nlattr *func_attr;
13558 if (WARN_ON(!inst_id))
13561 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
13565 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_NAN_FUNCTION);
13571 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13572 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
13573 wdev->netdev->ifindex)) ||
13574 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
13576 goto nla_put_failure;
13578 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
13580 goto nla_put_failure;
13582 func_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_FUNC);
13584 goto nla_put_failure;
13586 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, inst_id) ||
13587 nla_put_u8(msg, NL80211_NAN_FUNC_TERM_REASON, reason))
13588 goto nla_put_failure;
13590 nla_nest_end(msg, func_attr);
13591 genlmsg_end(msg, hdr);
13593 if (!wdev->owner_nlportid)
13594 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
13595 msg, 0, NL80211_MCGRP_NAN, gfp);
13597 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
13598 wdev->owner_nlportid);
13605 EXPORT_SYMBOL(cfg80211_nan_func_terminated);
13607 static int nl80211_get_protocol_features(struct sk_buff *skb,
13608 struct genl_info *info)
13611 struct sk_buff *msg;
13613 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
13617 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
13618 NL80211_CMD_GET_PROTOCOL_FEATURES);
13620 goto nla_put_failure;
13622 if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES,
13623 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP))
13624 goto nla_put_failure;
13626 genlmsg_end(msg, hdr);
13627 return genlmsg_reply(msg, info);
13634 static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info)
13636 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13637 struct cfg80211_update_ft_ies_params ft_params;
13638 struct net_device *dev = info->user_ptr[1];
13640 if (!rdev->ops->update_ft_ies)
13641 return -EOPNOTSUPP;
13643 if (!info->attrs[NL80211_ATTR_MDID] ||
13644 !info->attrs[NL80211_ATTR_IE])
13647 memset(&ft_params, 0, sizeof(ft_params));
13648 ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]);
13649 ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
13650 ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
13652 return rdev_update_ft_ies(rdev, dev, &ft_params);
13655 static int nl80211_crit_protocol_start(struct sk_buff *skb,
13656 struct genl_info *info)
13658 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13659 struct wireless_dev *wdev = info->user_ptr[1];
13660 enum nl80211_crit_proto_id proto = NL80211_CRIT_PROTO_UNSPEC;
13664 if (!rdev->ops->crit_proto_start)
13665 return -EOPNOTSUPP;
13667 if (WARN_ON(!rdev->ops->crit_proto_stop))
13670 if (rdev->crit_proto_nlportid)
13673 /* determine protocol if provided */
13674 if (info->attrs[NL80211_ATTR_CRIT_PROT_ID])
13675 proto = nla_get_u16(info->attrs[NL80211_ATTR_CRIT_PROT_ID]);
13677 if (proto >= NUM_NL80211_CRIT_PROTO)
13680 /* timeout must be provided */
13681 if (!info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION])
13685 nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]);
13687 ret = rdev_crit_proto_start(rdev, wdev, proto, duration);
13689 rdev->crit_proto_nlportid = info->snd_portid;
13694 static int nl80211_crit_protocol_stop(struct sk_buff *skb,
13695 struct genl_info *info)
13697 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13698 struct wireless_dev *wdev = info->user_ptr[1];
13700 if (!rdev->ops->crit_proto_stop)
13701 return -EOPNOTSUPP;
13703 if (rdev->crit_proto_nlportid) {
13704 rdev->crit_proto_nlportid = 0;
13705 rdev_crit_proto_stop(rdev, wdev);
13710 static int nl80211_vendor_check_policy(const struct wiphy_vendor_command *vcmd,
13711 struct nlattr *attr,
13712 struct netlink_ext_ack *extack)
13714 if (vcmd->policy == VENDOR_CMD_RAW_DATA) {
13715 if (attr->nla_type & NLA_F_NESTED) {
13716 NL_SET_ERR_MSG_ATTR(extack, attr,
13717 "unexpected nested data");
13724 if (!(attr->nla_type & NLA_F_NESTED)) {
13725 NL_SET_ERR_MSG_ATTR(extack, attr, "expected nested data");
13729 return nla_validate_nested(attr, vcmd->maxattr, vcmd->policy, extack);
13732 static int nl80211_vendor_cmd(struct sk_buff *skb, struct genl_info *info)
13734 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13735 struct wireless_dev *wdev =
13736 __cfg80211_wdev_from_attrs(rdev, genl_info_net(info),
13741 if (!rdev->wiphy.vendor_commands)
13742 return -EOPNOTSUPP;
13744 if (IS_ERR(wdev)) {
13745 err = PTR_ERR(wdev);
13746 if (err != -EINVAL)
13749 } else if (wdev->wiphy != &rdev->wiphy) {
13753 if (!info->attrs[NL80211_ATTR_VENDOR_ID] ||
13754 !info->attrs[NL80211_ATTR_VENDOR_SUBCMD])
13757 vid = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_ID]);
13758 subcmd = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_SUBCMD]);
13759 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
13760 const struct wiphy_vendor_command *vcmd;
13764 vcmd = &rdev->wiphy.vendor_commands[i];
13766 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
13769 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
13770 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
13773 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
13777 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
13778 if (!wdev_running(wdev))
13786 return -EOPNOTSUPP;
13788 if (info->attrs[NL80211_ATTR_VENDOR_DATA]) {
13789 data = nla_data(info->attrs[NL80211_ATTR_VENDOR_DATA]);
13790 len = nla_len(info->attrs[NL80211_ATTR_VENDOR_DATA]);
13792 err = nl80211_vendor_check_policy(vcmd,
13793 info->attrs[NL80211_ATTR_VENDOR_DATA],
13799 rdev->cur_cmd_info = info;
13800 err = vcmd->doit(&rdev->wiphy, wdev, data, len);
13801 rdev->cur_cmd_info = NULL;
13805 return -EOPNOTSUPP;
13808 static int nl80211_prepare_vendor_dump(struct sk_buff *skb,
13809 struct netlink_callback *cb,
13810 struct cfg80211_registered_device **rdev,
13811 struct wireless_dev **wdev)
13813 struct nlattr **attrbuf;
13819 unsigned int data_len = 0;
13822 /* subtract the 1 again here */
13823 struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
13824 struct wireless_dev *tmp;
13828 *rdev = wiphy_to_rdev(wiphy);
13832 list_for_each_entry(tmp, &wiphy->wdev_list, list) {
13833 if (tmp->identifier == cb->args[1] - 1) {
13840 /* keep rtnl locked in successful case */
13844 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf), GFP_KERNEL);
13848 err = nlmsg_parse_deprecated(cb->nlh,
13849 GENL_HDRLEN + nl80211_fam.hdrsize,
13850 attrbuf, nl80211_fam.maxattr,
13851 nl80211_policy, NULL);
13855 if (!attrbuf[NL80211_ATTR_VENDOR_ID] ||
13856 !attrbuf[NL80211_ATTR_VENDOR_SUBCMD]) {
13861 *wdev = __cfg80211_wdev_from_attrs(NULL, sock_net(skb->sk), attrbuf);
13865 *rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
13866 if (IS_ERR(*rdev)) {
13867 err = PTR_ERR(*rdev);
13871 vid = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_ID]);
13872 subcmd = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_SUBCMD]);
13874 for (i = 0; i < (*rdev)->wiphy.n_vendor_commands; i++) {
13875 const struct wiphy_vendor_command *vcmd;
13877 vcmd = &(*rdev)->wiphy.vendor_commands[i];
13879 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
13882 if (!vcmd->dumpit) {
13891 if (vcmd_idx < 0) {
13896 if (attrbuf[NL80211_ATTR_VENDOR_DATA]) {
13897 data = nla_data(attrbuf[NL80211_ATTR_VENDOR_DATA]);
13898 data_len = nla_len(attrbuf[NL80211_ATTR_VENDOR_DATA]);
13900 err = nl80211_vendor_check_policy(
13901 &(*rdev)->wiphy.vendor_commands[vcmd_idx],
13902 attrbuf[NL80211_ATTR_VENDOR_DATA],
13908 /* 0 is the first index - add 1 to parse only once */
13909 cb->args[0] = (*rdev)->wiphy_idx + 1;
13910 /* add 1 to know if it was NULL */
13911 cb->args[1] = *wdev ? (*wdev)->identifier + 1 : 0;
13912 cb->args[2] = vcmd_idx;
13913 cb->args[3] = (unsigned long)data;
13914 cb->args[4] = data_len;
13916 /* keep rtnl locked in successful case */
13923 static int nl80211_vendor_cmd_dump(struct sk_buff *skb,
13924 struct netlink_callback *cb)
13926 struct cfg80211_registered_device *rdev;
13927 struct wireless_dev *wdev;
13928 unsigned int vcmd_idx;
13929 const struct wiphy_vendor_command *vcmd;
13933 struct nlattr *vendor_data;
13936 err = nl80211_prepare_vendor_dump(skb, cb, &rdev, &wdev);
13940 vcmd_idx = cb->args[2];
13941 data = (void *)cb->args[3];
13942 data_len = cb->args[4];
13943 vcmd = &rdev->wiphy.vendor_commands[vcmd_idx];
13945 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
13946 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
13951 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
13957 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
13958 if (!wdev_running(wdev)) {
13966 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
13967 cb->nlh->nlmsg_seq, NLM_F_MULTI,
13968 NL80211_CMD_VENDOR);
13972 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13973 (wdev && nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
13975 NL80211_ATTR_PAD))) {
13976 genlmsg_cancel(skb, hdr);
13980 vendor_data = nla_nest_start_noflag(skb,
13981 NL80211_ATTR_VENDOR_DATA);
13982 if (!vendor_data) {
13983 genlmsg_cancel(skb, hdr);
13987 err = vcmd->dumpit(&rdev->wiphy, wdev, skb, data, data_len,
13988 (unsigned long *)&cb->args[5]);
13989 nla_nest_end(skb, vendor_data);
13991 if (err == -ENOBUFS || err == -ENOENT) {
13992 genlmsg_cancel(skb, hdr);
13994 } else if (err <= 0) {
13995 genlmsg_cancel(skb, hdr);
13999 genlmsg_end(skb, hdr);
14008 struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy,
14009 enum nl80211_commands cmd,
14010 enum nl80211_attrs attr,
14013 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
14015 if (WARN_ON(!rdev->cur_cmd_info))
14018 return __cfg80211_alloc_vendor_skb(rdev, NULL, approxlen,
14019 rdev->cur_cmd_info->snd_portid,
14020 rdev->cur_cmd_info->snd_seq,
14021 cmd, attr, NULL, GFP_KERNEL);
14023 EXPORT_SYMBOL(__cfg80211_alloc_reply_skb);
14025 int cfg80211_vendor_cmd_reply(struct sk_buff *skb)
14027 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
14028 void *hdr = ((void **)skb->cb)[1];
14029 struct nlattr *data = ((void **)skb->cb)[2];
14031 /* clear CB data for netlink core to own from now on */
14032 memset(skb->cb, 0, sizeof(skb->cb));
14034 if (WARN_ON(!rdev->cur_cmd_info)) {
14039 nla_nest_end(skb, data);
14040 genlmsg_end(skb, hdr);
14041 return genlmsg_reply(skb, rdev->cur_cmd_info);
14043 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply);
14045 unsigned int cfg80211_vendor_cmd_get_sender(struct wiphy *wiphy)
14047 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
14049 if (WARN_ON(!rdev->cur_cmd_info))
14052 return rdev->cur_cmd_info->snd_portid;
14054 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_get_sender);
14056 static int nl80211_set_qos_map(struct sk_buff *skb,
14057 struct genl_info *info)
14059 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14060 struct cfg80211_qos_map *qos_map = NULL;
14061 struct net_device *dev = info->user_ptr[1];
14062 u8 *pos, len, num_des, des_len, des;
14065 if (!rdev->ops->set_qos_map)
14066 return -EOPNOTSUPP;
14068 if (info->attrs[NL80211_ATTR_QOS_MAP]) {
14069 pos = nla_data(info->attrs[NL80211_ATTR_QOS_MAP]);
14070 len = nla_len(info->attrs[NL80211_ATTR_QOS_MAP]);
14075 qos_map = kzalloc(sizeof(struct cfg80211_qos_map), GFP_KERNEL);
14079 num_des = (len - IEEE80211_QOS_MAP_LEN_MIN) >> 1;
14081 des_len = num_des *
14082 sizeof(struct cfg80211_dscp_exception);
14083 memcpy(qos_map->dscp_exception, pos, des_len);
14084 qos_map->num_des = num_des;
14085 for (des = 0; des < num_des; des++) {
14086 if (qos_map->dscp_exception[des].up > 7) {
14093 memcpy(qos_map->up, pos, IEEE80211_QOS_MAP_LEN_MIN);
14096 wdev_lock(dev->ieee80211_ptr);
14097 ret = nl80211_key_allowed(dev->ieee80211_ptr);
14099 ret = rdev_set_qos_map(rdev, dev, qos_map);
14100 wdev_unlock(dev->ieee80211_ptr);
14106 static int nl80211_add_tx_ts(struct sk_buff *skb, struct genl_info *info)
14108 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14109 struct net_device *dev = info->user_ptr[1];
14110 struct wireless_dev *wdev = dev->ieee80211_ptr;
14113 u16 admitted_time = 0;
14116 if (!(rdev->wiphy.features & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION))
14117 return -EOPNOTSUPP;
14119 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC] ||
14120 !info->attrs[NL80211_ATTR_USER_PRIO])
14123 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
14124 up = nla_get_u8(info->attrs[NL80211_ATTR_USER_PRIO]);
14126 /* WMM uses TIDs 0-7 even for TSPEC */
14127 if (tsid >= IEEE80211_FIRST_TSPEC_TSID) {
14128 /* TODO: handle 802.11 TSPEC/admission control
14129 * need more attributes for that (e.g. BA session requirement);
14130 * change the WMM adminssion test above to allow both then
14135 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
14137 if (info->attrs[NL80211_ATTR_ADMITTED_TIME]) {
14139 nla_get_u16(info->attrs[NL80211_ATTR_ADMITTED_TIME]);
14140 if (!admitted_time)
14145 switch (wdev->iftype) {
14146 case NL80211_IFTYPE_STATION:
14147 case NL80211_IFTYPE_P2P_CLIENT:
14148 if (wdev->current_bss)
14157 err = rdev_add_tx_ts(rdev, dev, tsid, peer, up, admitted_time);
14164 static int nl80211_del_tx_ts(struct sk_buff *skb, struct genl_info *info)
14166 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14167 struct net_device *dev = info->user_ptr[1];
14168 struct wireless_dev *wdev = dev->ieee80211_ptr;
14173 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC])
14176 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
14177 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
14180 err = rdev_del_tx_ts(rdev, dev, tsid, peer);
14186 static int nl80211_tdls_channel_switch(struct sk_buff *skb,
14187 struct genl_info *info)
14189 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14190 struct net_device *dev = info->user_ptr[1];
14191 struct wireless_dev *wdev = dev->ieee80211_ptr;
14192 struct cfg80211_chan_def chandef = {};
14197 if (!rdev->ops->tdls_channel_switch ||
14198 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
14199 return -EOPNOTSUPP;
14201 switch (dev->ieee80211_ptr->iftype) {
14202 case NL80211_IFTYPE_STATION:
14203 case NL80211_IFTYPE_P2P_CLIENT:
14206 return -EOPNOTSUPP;
14209 if (!info->attrs[NL80211_ATTR_MAC] ||
14210 !info->attrs[NL80211_ATTR_OPER_CLASS])
14213 err = nl80211_parse_chandef(rdev, info, &chandef);
14218 * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012
14219 * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the
14220 * specification is not defined for them.
14222 if (chandef.chan->band == NL80211_BAND_2GHZ &&
14223 chandef.width != NL80211_CHAN_WIDTH_20_NOHT &&
14224 chandef.width != NL80211_CHAN_WIDTH_20)
14227 /* we will be active on the TDLS link */
14228 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
14232 /* don't allow switching to DFS channels */
14233 if (cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, wdev->iftype))
14236 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
14237 oper_class = nla_get_u8(info->attrs[NL80211_ATTR_OPER_CLASS]);
14240 err = rdev_tdls_channel_switch(rdev, dev, addr, oper_class, &chandef);
14246 static int nl80211_tdls_cancel_channel_switch(struct sk_buff *skb,
14247 struct genl_info *info)
14249 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14250 struct net_device *dev = info->user_ptr[1];
14251 struct wireless_dev *wdev = dev->ieee80211_ptr;
14254 if (!rdev->ops->tdls_channel_switch ||
14255 !rdev->ops->tdls_cancel_channel_switch ||
14256 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
14257 return -EOPNOTSUPP;
14259 switch (dev->ieee80211_ptr->iftype) {
14260 case NL80211_IFTYPE_STATION:
14261 case NL80211_IFTYPE_P2P_CLIENT:
14264 return -EOPNOTSUPP;
14267 if (!info->attrs[NL80211_ATTR_MAC])
14270 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
14273 rdev_tdls_cancel_channel_switch(rdev, dev, addr);
14279 static int nl80211_set_multicast_to_unicast(struct sk_buff *skb,
14280 struct genl_info *info)
14282 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14283 struct net_device *dev = info->user_ptr[1];
14284 struct wireless_dev *wdev = dev->ieee80211_ptr;
14285 const struct nlattr *nla;
14288 if (!rdev->ops->set_multicast_to_unicast)
14289 return -EOPNOTSUPP;
14291 if (wdev->iftype != NL80211_IFTYPE_AP &&
14292 wdev->iftype != NL80211_IFTYPE_P2P_GO)
14293 return -EOPNOTSUPP;
14295 nla = info->attrs[NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED];
14296 enabled = nla_get_flag(nla);
14298 return rdev_set_multicast_to_unicast(rdev, dev, enabled);
14301 static int nl80211_set_pmk(struct sk_buff *skb, struct genl_info *info)
14303 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14304 struct net_device *dev = info->user_ptr[1];
14305 struct wireless_dev *wdev = dev->ieee80211_ptr;
14306 struct cfg80211_pmk_conf pmk_conf = {};
14309 if (wdev->iftype != NL80211_IFTYPE_STATION &&
14310 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
14311 return -EOPNOTSUPP;
14313 if (!wiphy_ext_feature_isset(&rdev->wiphy,
14314 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
14315 return -EOPNOTSUPP;
14317 if (!info->attrs[NL80211_ATTR_MAC] || !info->attrs[NL80211_ATTR_PMK])
14321 if (!wdev->current_bss) {
14326 pmk_conf.aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
14327 if (memcmp(pmk_conf.aa, wdev->current_bss->pub.bssid, ETH_ALEN)) {
14332 pmk_conf.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
14333 pmk_conf.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
14334 if (pmk_conf.pmk_len != WLAN_PMK_LEN &&
14335 pmk_conf.pmk_len != WLAN_PMK_LEN_SUITE_B_192) {
14340 if (info->attrs[NL80211_ATTR_PMKR0_NAME])
14341 pmk_conf.pmk_r0_name =
14342 nla_data(info->attrs[NL80211_ATTR_PMKR0_NAME]);
14344 ret = rdev_set_pmk(rdev, dev, &pmk_conf);
14350 static int nl80211_del_pmk(struct sk_buff *skb, struct genl_info *info)
14352 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14353 struct net_device *dev = info->user_ptr[1];
14354 struct wireless_dev *wdev = dev->ieee80211_ptr;
14358 if (wdev->iftype != NL80211_IFTYPE_STATION &&
14359 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
14360 return -EOPNOTSUPP;
14362 if (!wiphy_ext_feature_isset(&rdev->wiphy,
14363 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
14364 return -EOPNOTSUPP;
14366 if (!info->attrs[NL80211_ATTR_MAC])
14370 aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
14371 ret = rdev_del_pmk(rdev, dev, aa);
14377 static int nl80211_external_auth(struct sk_buff *skb, struct genl_info *info)
14379 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14380 struct net_device *dev = info->user_ptr[1];
14381 struct cfg80211_external_auth_params params;
14383 if (!rdev->ops->external_auth)
14384 return -EOPNOTSUPP;
14386 if (!info->attrs[NL80211_ATTR_SSID] &&
14387 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
14388 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
14391 if (!info->attrs[NL80211_ATTR_BSSID])
14394 if (!info->attrs[NL80211_ATTR_STATUS_CODE])
14397 memset(¶ms, 0, sizeof(params));
14399 if (info->attrs[NL80211_ATTR_SSID]) {
14400 params.ssid.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
14401 if (params.ssid.ssid_len == 0)
14403 memcpy(params.ssid.ssid,
14404 nla_data(info->attrs[NL80211_ATTR_SSID]),
14405 params.ssid.ssid_len);
14408 memcpy(params.bssid, nla_data(info->attrs[NL80211_ATTR_BSSID]),
14411 params.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
14413 if (info->attrs[NL80211_ATTR_PMKID])
14414 params.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
14416 return rdev_external_auth(rdev, dev, ¶ms);
14419 static int nl80211_tx_control_port(struct sk_buff *skb, struct genl_info *info)
14421 bool dont_wait_for_ack = info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK];
14422 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14423 struct net_device *dev = info->user_ptr[1];
14424 struct wireless_dev *wdev = dev->ieee80211_ptr;
14433 if (!wiphy_ext_feature_isset(&rdev->wiphy,
14434 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
14435 return -EOPNOTSUPP;
14437 if (!rdev->ops->tx_control_port)
14438 return -EOPNOTSUPP;
14440 if (!info->attrs[NL80211_ATTR_FRAME] ||
14441 !info->attrs[NL80211_ATTR_MAC] ||
14442 !info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
14443 GENL_SET_ERR_MSG(info, "Frame, MAC or ethertype missing");
14449 switch (wdev->iftype) {
14450 case NL80211_IFTYPE_AP:
14451 case NL80211_IFTYPE_P2P_GO:
14452 case NL80211_IFTYPE_MESH_POINT:
14454 case NL80211_IFTYPE_ADHOC:
14455 case NL80211_IFTYPE_STATION:
14456 case NL80211_IFTYPE_P2P_CLIENT:
14457 if (wdev->current_bss)
14468 buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
14469 len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
14470 dest = nla_data(info->attrs[NL80211_ATTR_MAC]);
14471 proto = nla_get_u16(info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
14473 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]);
14475 err = rdev_tx_control_port(rdev, dev, buf, len,
14476 dest, cpu_to_be16(proto), noencrypt,
14477 dont_wait_for_ack ? NULL : &cookie);
14478 if (!err && !dont_wait_for_ack)
14479 nl_set_extack_cookie_u64(info->extack, cookie);
14486 static int nl80211_get_ftm_responder_stats(struct sk_buff *skb,
14487 struct genl_info *info)
14489 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14490 struct net_device *dev = info->user_ptr[1];
14491 struct wireless_dev *wdev = dev->ieee80211_ptr;
14492 struct cfg80211_ftm_responder_stats ftm_stats = {};
14493 struct sk_buff *msg;
14495 struct nlattr *ftm_stats_attr;
14498 if (wdev->iftype != NL80211_IFTYPE_AP || !wdev->beacon_interval)
14499 return -EOPNOTSUPP;
14501 err = rdev_get_ftm_responder_stats(rdev, dev, &ftm_stats);
14505 if (!ftm_stats.filled)
14508 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14512 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
14513 NL80211_CMD_GET_FTM_RESPONDER_STATS);
14515 goto nla_put_failure;
14517 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
14518 goto nla_put_failure;
14520 ftm_stats_attr = nla_nest_start_noflag(msg,
14521 NL80211_ATTR_FTM_RESPONDER_STATS);
14522 if (!ftm_stats_attr)
14523 goto nla_put_failure;
14525 #define SET_FTM(field, name, type) \
14526 do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
14527 nla_put_ ## type(msg, NL80211_FTM_STATS_ ## name, \
14528 ftm_stats.field)) \
14529 goto nla_put_failure; } while (0)
14530 #define SET_FTM_U64(field, name) \
14531 do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
14532 nla_put_u64_64bit(msg, NL80211_FTM_STATS_ ## name, \
14533 ftm_stats.field, NL80211_FTM_STATS_PAD)) \
14534 goto nla_put_failure; } while (0)
14536 SET_FTM(success_num, SUCCESS_NUM, u32);
14537 SET_FTM(partial_num, PARTIAL_NUM, u32);
14538 SET_FTM(failed_num, FAILED_NUM, u32);
14539 SET_FTM(asap_num, ASAP_NUM, u32);
14540 SET_FTM(non_asap_num, NON_ASAP_NUM, u32);
14541 SET_FTM_U64(total_duration_ms, TOTAL_DURATION_MSEC);
14542 SET_FTM(unknown_triggers_num, UNKNOWN_TRIGGERS_NUM, u32);
14543 SET_FTM(reschedule_requests_num, RESCHEDULE_REQUESTS_NUM, u32);
14544 SET_FTM(out_of_window_triggers_num, OUT_OF_WINDOW_TRIGGERS_NUM, u32);
14547 nla_nest_end(msg, ftm_stats_attr);
14549 genlmsg_end(msg, hdr);
14550 return genlmsg_reply(msg, info);
14557 static int nl80211_update_owe_info(struct sk_buff *skb, struct genl_info *info)
14559 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14560 struct cfg80211_update_owe_info owe_info;
14561 struct net_device *dev = info->user_ptr[1];
14563 if (!rdev->ops->update_owe_info)
14564 return -EOPNOTSUPP;
14566 if (!info->attrs[NL80211_ATTR_STATUS_CODE] ||
14567 !info->attrs[NL80211_ATTR_MAC])
14570 memset(&owe_info, 0, sizeof(owe_info));
14571 owe_info.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
14572 nla_memcpy(owe_info.peer, info->attrs[NL80211_ATTR_MAC], ETH_ALEN);
14574 if (info->attrs[NL80211_ATTR_IE]) {
14575 owe_info.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
14576 owe_info.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
14579 return rdev_update_owe_info(rdev, dev, &owe_info);
14582 static int nl80211_probe_mesh_link(struct sk_buff *skb, struct genl_info *info)
14584 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14585 struct net_device *dev = info->user_ptr[1];
14586 struct wireless_dev *wdev = dev->ieee80211_ptr;
14587 struct station_info sinfo = {};
14593 if (!rdev->ops->probe_mesh_link || !rdev->ops->get_station)
14594 return -EOPNOTSUPP;
14596 if (!info->attrs[NL80211_ATTR_MAC] ||
14597 !info->attrs[NL80211_ATTR_FRAME]) {
14598 GENL_SET_ERR_MSG(info, "Frame or MAC missing");
14602 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
14603 return -EOPNOTSUPP;
14605 dest = nla_data(info->attrs[NL80211_ATTR_MAC]);
14606 buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
14607 len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
14609 if (len < sizeof(struct ethhdr))
14612 if (!ether_addr_equal(buf, dest) || is_multicast_ether_addr(buf) ||
14613 !ether_addr_equal(buf + ETH_ALEN, dev->dev_addr))
14616 err = rdev_get_station(rdev, dev, dest, &sinfo);
14620 cfg80211_sinfo_release_content(&sinfo);
14622 return rdev_probe_mesh_link(rdev, dev, dest, buf, len);
14625 static int parse_tid_conf(struct cfg80211_registered_device *rdev,
14626 struct nlattr *attrs[], struct net_device *dev,
14627 struct cfg80211_tid_cfg *tid_conf,
14628 struct genl_info *info, const u8 *peer)
14630 struct netlink_ext_ack *extack = info->extack;
14634 if (!attrs[NL80211_TID_CONFIG_ATTR_TIDS])
14637 tid_conf->config_override =
14638 nla_get_flag(attrs[NL80211_TID_CONFIG_ATTR_OVERRIDE]);
14639 tid_conf->tids = nla_get_u16(attrs[NL80211_TID_CONFIG_ATTR_TIDS]);
14641 if (tid_conf->config_override) {
14642 if (rdev->ops->reset_tid_config) {
14643 err = rdev_reset_tid_config(rdev, dev, peer,
14652 if (attrs[NL80211_TID_CONFIG_ATTR_NOACK]) {
14653 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_NOACK);
14655 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_NOACK]);
14658 if (attrs[NL80211_TID_CONFIG_ATTR_RETRY_SHORT]) {
14659 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_RETRY_SHORT);
14660 tid_conf->retry_short =
14661 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_RETRY_SHORT]);
14663 if (tid_conf->retry_short > rdev->wiphy.max_data_retry_count)
14667 if (attrs[NL80211_TID_CONFIG_ATTR_RETRY_LONG]) {
14668 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_RETRY_LONG);
14669 tid_conf->retry_long =
14670 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_RETRY_LONG]);
14672 if (tid_conf->retry_long > rdev->wiphy.max_data_retry_count)
14676 if (attrs[NL80211_TID_CONFIG_ATTR_AMPDU_CTRL]) {
14677 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_AMPDU_CTRL);
14679 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_AMPDU_CTRL]);
14682 if (attrs[NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL]) {
14683 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL);
14685 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL]);
14688 if (attrs[NL80211_TID_CONFIG_ATTR_AMSDU_CTRL]) {
14689 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_AMSDU_CTRL);
14691 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_AMSDU_CTRL]);
14694 if (attrs[NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE]) {
14695 u32 idx = NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE, attr;
14697 tid_conf->txrate_type = nla_get_u8(attrs[idx]);
14699 if (tid_conf->txrate_type != NL80211_TX_RATE_AUTOMATIC) {
14700 attr = NL80211_TID_CONFIG_ATTR_TX_RATE;
14701 err = nl80211_parse_tx_bitrate_mask(info, attrs, attr,
14702 &tid_conf->txrate_mask, dev,
14707 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_TX_RATE);
14709 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE);
14713 mask = rdev->wiphy.tid_config_support.peer;
14715 mask = rdev->wiphy.tid_config_support.vif;
14717 if (tid_conf->mask & ~mask) {
14718 NL_SET_ERR_MSG(extack, "unsupported TID configuration");
14725 static int nl80211_set_tid_config(struct sk_buff *skb,
14726 struct genl_info *info)
14728 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14729 struct nlattr *attrs[NL80211_TID_CONFIG_ATTR_MAX + 1];
14730 struct net_device *dev = info->user_ptr[1];
14731 struct cfg80211_tid_config *tid_config;
14732 struct nlattr *tid;
14733 int conf_idx = 0, rem_conf;
14737 if (!info->attrs[NL80211_ATTR_TID_CONFIG])
14740 if (!rdev->ops->set_tid_config)
14741 return -EOPNOTSUPP;
14743 nla_for_each_nested(tid, info->attrs[NL80211_ATTR_TID_CONFIG],
14747 tid_config = kzalloc(struct_size(tid_config, tid_conf, num_conf),
14752 tid_config->n_tid_conf = num_conf;
14754 if (info->attrs[NL80211_ATTR_MAC])
14755 tid_config->peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
14757 nla_for_each_nested(tid, info->attrs[NL80211_ATTR_TID_CONFIG],
14759 ret = nla_parse_nested(attrs, NL80211_TID_CONFIG_ATTR_MAX,
14765 ret = parse_tid_conf(rdev, attrs, dev,
14766 &tid_config->tid_conf[conf_idx],
14767 info, tid_config->peer);
14774 ret = rdev_set_tid_config(rdev, dev, tid_config);
14781 #define NL80211_FLAG_NEED_WIPHY 0x01
14782 #define NL80211_FLAG_NEED_NETDEV 0x02
14783 #define NL80211_FLAG_NEED_RTNL 0x04
14784 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
14785 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
14786 NL80211_FLAG_CHECK_NETDEV_UP)
14787 #define NL80211_FLAG_NEED_WDEV 0x10
14788 /* If a netdev is associated, it must be UP, P2P must be started */
14789 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
14790 NL80211_FLAG_CHECK_NETDEV_UP)
14791 #define NL80211_FLAG_CLEAR_SKB 0x20
14793 static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb,
14794 struct genl_info *info)
14796 struct cfg80211_registered_device *rdev = NULL;
14797 struct wireless_dev *wdev;
14798 struct net_device *dev;
14801 if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) {
14802 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
14803 if (IS_ERR(rdev)) {
14805 return PTR_ERR(rdev);
14807 info->user_ptr[0] = rdev;
14808 } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV ||
14809 ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
14810 wdev = __cfg80211_wdev_from_attrs(NULL, genl_info_net(info),
14812 if (IS_ERR(wdev)) {
14814 return PTR_ERR(wdev);
14817 dev = wdev->netdev;
14818 rdev = wiphy_to_rdev(wdev->wiphy);
14820 if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) {
14826 info->user_ptr[1] = dev;
14828 info->user_ptr[1] = wdev;
14831 if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP &&
14832 !wdev_running(wdev)) {
14840 info->user_ptr[0] = rdev;
14844 wiphy_lock(&rdev->wiphy);
14845 /* we keep the mutex locked until post_doit */
14846 __release(&rdev->wiphy.mtx);
14848 if (!(ops->internal_flags & NL80211_FLAG_NEED_RTNL))
14854 static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb,
14855 struct genl_info *info)
14857 if (info->user_ptr[1]) {
14858 if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
14859 struct wireless_dev *wdev = info->user_ptr[1];
14862 dev_put(wdev->netdev);
14864 dev_put(info->user_ptr[1]);
14868 if (info->user_ptr[0]) {
14869 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14871 /* we kept the mutex locked since pre_doit */
14872 __acquire(&rdev->wiphy.mtx);
14873 wiphy_unlock(&rdev->wiphy);
14876 if (ops->internal_flags & NL80211_FLAG_NEED_RTNL)
14879 /* If needed, clear the netlink message payload from the SKB
14880 * as it might contain key data that shouldn't stick around on
14881 * the heap after the SKB is freed. The netlink message header
14882 * is still needed for further processing, so leave it intact.
14884 if (ops->internal_flags & NL80211_FLAG_CLEAR_SKB) {
14885 struct nlmsghdr *nlh = nlmsg_hdr(skb);
14887 memset(nlmsg_data(nlh), 0, nlmsg_len(nlh));
14891 static int nl80211_set_sar_sub_specs(struct cfg80211_registered_device *rdev,
14892 struct cfg80211_sar_specs *sar_specs,
14893 struct nlattr *spec[], int index)
14895 u32 range_index, i;
14897 if (!sar_specs || !spec)
14900 if (!spec[NL80211_SAR_ATTR_SPECS_POWER] ||
14901 !spec[NL80211_SAR_ATTR_SPECS_RANGE_INDEX])
14904 range_index = nla_get_u32(spec[NL80211_SAR_ATTR_SPECS_RANGE_INDEX]);
14906 /* check if range_index exceeds num_freq_ranges */
14907 if (range_index >= rdev->wiphy.sar_capa->num_freq_ranges)
14910 /* check if range_index duplicates */
14911 for (i = 0; i < index; i++) {
14912 if (sar_specs->sub_specs[i].freq_range_index == range_index)
14916 sar_specs->sub_specs[index].power =
14917 nla_get_s32(spec[NL80211_SAR_ATTR_SPECS_POWER]);
14919 sar_specs->sub_specs[index].freq_range_index = range_index;
14924 static int nl80211_set_sar_specs(struct sk_buff *skb, struct genl_info *info)
14926 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14927 struct nlattr *spec[NL80211_SAR_ATTR_SPECS_MAX + 1];
14928 struct nlattr *tb[NL80211_SAR_ATTR_MAX + 1];
14929 struct cfg80211_sar_specs *sar_spec;
14930 enum nl80211_sar_type type;
14931 struct nlattr *spec_list;
14935 if (!rdev->wiphy.sar_capa || !rdev->ops->set_sar_specs)
14936 return -EOPNOTSUPP;
14938 if (!info->attrs[NL80211_ATTR_SAR_SPEC])
14941 nla_parse_nested(tb, NL80211_SAR_ATTR_MAX,
14942 info->attrs[NL80211_ATTR_SAR_SPEC],
14945 if (!tb[NL80211_SAR_ATTR_TYPE] || !tb[NL80211_SAR_ATTR_SPECS])
14948 type = nla_get_u32(tb[NL80211_SAR_ATTR_TYPE]);
14949 if (type != rdev->wiphy.sar_capa->type)
14953 nla_for_each_nested(spec_list, tb[NL80211_SAR_ATTR_SPECS], rem)
14956 if (specs > rdev->wiphy.sar_capa->num_freq_ranges)
14959 sar_spec = kzalloc(sizeof(*sar_spec) +
14960 specs * sizeof(struct cfg80211_sar_sub_specs),
14965 sar_spec->type = type;
14967 nla_for_each_nested(spec_list, tb[NL80211_SAR_ATTR_SPECS], rem) {
14968 nla_parse_nested(spec, NL80211_SAR_ATTR_SPECS_MAX,
14969 spec_list, NULL, NULL);
14972 case NL80211_SAR_TYPE_POWER:
14973 if (nl80211_set_sar_sub_specs(rdev, sar_spec,
14986 sar_spec->num_sub_specs = specs;
14988 rdev->cur_cmd_info = info;
14989 err = rdev_set_sar_specs(rdev, sar_spec);
14990 rdev->cur_cmd_info = NULL;
14996 static const struct genl_ops nl80211_ops[] = {
14998 .cmd = NL80211_CMD_GET_WIPHY,
14999 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15000 .doit = nl80211_get_wiphy,
15001 .dumpit = nl80211_dump_wiphy,
15002 .done = nl80211_dump_wiphy_done,
15003 /* can be retrieved by unprivileged users */
15004 .internal_flags = NL80211_FLAG_NEED_WIPHY,
15008 static const struct genl_small_ops nl80211_small_ops[] = {
15010 .cmd = NL80211_CMD_SET_WIPHY,
15011 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15012 .doit = nl80211_set_wiphy,
15013 .flags = GENL_UNS_ADMIN_PERM,
15016 .cmd = NL80211_CMD_GET_INTERFACE,
15017 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15018 .doit = nl80211_get_interface,
15019 .dumpit = nl80211_dump_interface,
15020 /* can be retrieved by unprivileged users */
15021 .internal_flags = NL80211_FLAG_NEED_WDEV,
15024 .cmd = NL80211_CMD_SET_INTERFACE,
15025 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15026 .doit = nl80211_set_interface,
15027 .flags = GENL_UNS_ADMIN_PERM,
15028 .internal_flags = NL80211_FLAG_NEED_NETDEV |
15029 NL80211_FLAG_NEED_RTNL,
15032 .cmd = NL80211_CMD_NEW_INTERFACE,
15033 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15034 .doit = nl80211_new_interface,
15035 .flags = GENL_UNS_ADMIN_PERM,
15036 .internal_flags = NL80211_FLAG_NEED_WIPHY |
15037 NL80211_FLAG_NEED_RTNL,
15040 .cmd = NL80211_CMD_DEL_INTERFACE,
15041 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15042 .doit = nl80211_del_interface,
15043 .flags = GENL_UNS_ADMIN_PERM,
15044 .internal_flags = NL80211_FLAG_NEED_WDEV |
15045 NL80211_FLAG_NEED_RTNL,
15048 .cmd = NL80211_CMD_GET_KEY,
15049 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15050 .doit = nl80211_get_key,
15051 .flags = GENL_UNS_ADMIN_PERM,
15052 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15055 .cmd = NL80211_CMD_SET_KEY,
15056 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15057 .doit = nl80211_set_key,
15058 .flags = GENL_UNS_ADMIN_PERM,
15059 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15060 NL80211_FLAG_CLEAR_SKB,
15063 .cmd = NL80211_CMD_NEW_KEY,
15064 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15065 .doit = nl80211_new_key,
15066 .flags = GENL_UNS_ADMIN_PERM,
15067 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15068 NL80211_FLAG_CLEAR_SKB,
15071 .cmd = NL80211_CMD_DEL_KEY,
15072 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15073 .doit = nl80211_del_key,
15074 .flags = GENL_UNS_ADMIN_PERM,
15075 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15078 .cmd = NL80211_CMD_SET_BEACON,
15079 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15080 .flags = GENL_UNS_ADMIN_PERM,
15081 .doit = nl80211_set_beacon,
15082 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15085 .cmd = NL80211_CMD_START_AP,
15086 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15087 .flags = GENL_UNS_ADMIN_PERM,
15088 .doit = nl80211_start_ap,
15089 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15092 .cmd = NL80211_CMD_STOP_AP,
15093 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15094 .flags = GENL_UNS_ADMIN_PERM,
15095 .doit = nl80211_stop_ap,
15096 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15099 .cmd = NL80211_CMD_GET_STATION,
15100 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15101 .doit = nl80211_get_station,
15102 .dumpit = nl80211_dump_station,
15103 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15106 .cmd = NL80211_CMD_SET_STATION,
15107 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15108 .doit = nl80211_set_station,
15109 .flags = GENL_UNS_ADMIN_PERM,
15110 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15113 .cmd = NL80211_CMD_NEW_STATION,
15114 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15115 .doit = nl80211_new_station,
15116 .flags = GENL_UNS_ADMIN_PERM,
15117 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15120 .cmd = NL80211_CMD_DEL_STATION,
15121 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15122 .doit = nl80211_del_station,
15123 .flags = GENL_UNS_ADMIN_PERM,
15124 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15127 .cmd = NL80211_CMD_GET_MPATH,
15128 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15129 .doit = nl80211_get_mpath,
15130 .dumpit = nl80211_dump_mpath,
15131 .flags = GENL_UNS_ADMIN_PERM,
15132 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15135 .cmd = NL80211_CMD_GET_MPP,
15136 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15137 .doit = nl80211_get_mpp,
15138 .dumpit = nl80211_dump_mpp,
15139 .flags = GENL_UNS_ADMIN_PERM,
15140 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15143 .cmd = NL80211_CMD_SET_MPATH,
15144 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15145 .doit = nl80211_set_mpath,
15146 .flags = GENL_UNS_ADMIN_PERM,
15147 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15150 .cmd = NL80211_CMD_NEW_MPATH,
15151 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15152 .doit = nl80211_new_mpath,
15153 .flags = GENL_UNS_ADMIN_PERM,
15154 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15157 .cmd = NL80211_CMD_DEL_MPATH,
15158 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15159 .doit = nl80211_del_mpath,
15160 .flags = GENL_UNS_ADMIN_PERM,
15161 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15164 .cmd = NL80211_CMD_SET_BSS,
15165 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15166 .doit = nl80211_set_bss,
15167 .flags = GENL_UNS_ADMIN_PERM,
15168 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15171 .cmd = NL80211_CMD_GET_REG,
15172 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15173 .doit = nl80211_get_reg_do,
15174 .dumpit = nl80211_get_reg_dump,
15175 .internal_flags = 0,
15176 /* can be retrieved by unprivileged users */
15178 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
15180 .cmd = NL80211_CMD_SET_REG,
15181 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15182 .doit = nl80211_set_reg,
15183 .flags = GENL_ADMIN_PERM,
15184 .internal_flags = 0,
15188 .cmd = NL80211_CMD_REQ_SET_REG,
15189 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15190 .doit = nl80211_req_set_reg,
15191 .flags = GENL_ADMIN_PERM,
15194 .cmd = NL80211_CMD_RELOAD_REGDB,
15195 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15196 .doit = nl80211_reload_regdb,
15197 .flags = GENL_ADMIN_PERM,
15200 .cmd = NL80211_CMD_GET_MESH_CONFIG,
15201 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15202 .doit = nl80211_get_mesh_config,
15203 /* can be retrieved by unprivileged users */
15204 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15207 .cmd = NL80211_CMD_SET_MESH_CONFIG,
15208 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15209 .doit = nl80211_update_mesh_config,
15210 .flags = GENL_UNS_ADMIN_PERM,
15211 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15214 .cmd = NL80211_CMD_TRIGGER_SCAN,
15215 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15216 .doit = nl80211_trigger_scan,
15217 .flags = GENL_UNS_ADMIN_PERM,
15218 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
15221 .cmd = NL80211_CMD_ABORT_SCAN,
15222 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15223 .doit = nl80211_abort_scan,
15224 .flags = GENL_UNS_ADMIN_PERM,
15225 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
15228 .cmd = NL80211_CMD_GET_SCAN,
15229 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15230 .dumpit = nl80211_dump_scan,
15233 .cmd = NL80211_CMD_START_SCHED_SCAN,
15234 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15235 .doit = nl80211_start_sched_scan,
15236 .flags = GENL_UNS_ADMIN_PERM,
15237 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15240 .cmd = NL80211_CMD_STOP_SCHED_SCAN,
15241 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15242 .doit = nl80211_stop_sched_scan,
15243 .flags = GENL_UNS_ADMIN_PERM,
15244 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15247 .cmd = NL80211_CMD_AUTHENTICATE,
15248 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15249 .doit = nl80211_authenticate,
15250 .flags = GENL_UNS_ADMIN_PERM,
15251 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15253 NL80211_FLAG_CLEAR_SKB,
15256 .cmd = NL80211_CMD_ASSOCIATE,
15257 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15258 .doit = nl80211_associate,
15259 .flags = GENL_UNS_ADMIN_PERM,
15260 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15262 NL80211_FLAG_CLEAR_SKB,
15265 .cmd = NL80211_CMD_DEAUTHENTICATE,
15266 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15267 .doit = nl80211_deauthenticate,
15268 .flags = GENL_UNS_ADMIN_PERM,
15269 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15272 .cmd = NL80211_CMD_DISASSOCIATE,
15273 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15274 .doit = nl80211_disassociate,
15275 .flags = GENL_UNS_ADMIN_PERM,
15276 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15279 .cmd = NL80211_CMD_JOIN_IBSS,
15280 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15281 .doit = nl80211_join_ibss,
15282 .flags = GENL_UNS_ADMIN_PERM,
15283 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15286 .cmd = NL80211_CMD_LEAVE_IBSS,
15287 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15288 .doit = nl80211_leave_ibss,
15289 .flags = GENL_UNS_ADMIN_PERM,
15290 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15292 #ifdef CONFIG_NL80211_TESTMODE
15294 .cmd = NL80211_CMD_TESTMODE,
15295 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15296 .doit = nl80211_testmode_do,
15297 .dumpit = nl80211_testmode_dump,
15298 .flags = GENL_UNS_ADMIN_PERM,
15299 .internal_flags = NL80211_FLAG_NEED_WIPHY,
15303 .cmd = NL80211_CMD_CONNECT,
15304 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15305 .doit = nl80211_connect,
15306 .flags = GENL_UNS_ADMIN_PERM,
15307 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15309 NL80211_FLAG_CLEAR_SKB,
15312 .cmd = NL80211_CMD_UPDATE_CONNECT_PARAMS,
15313 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15314 .doit = nl80211_update_connect_params,
15315 .flags = GENL_ADMIN_PERM,
15316 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15318 NL80211_FLAG_CLEAR_SKB,
15321 .cmd = NL80211_CMD_DISCONNECT,
15322 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15323 .doit = nl80211_disconnect,
15324 .flags = GENL_UNS_ADMIN_PERM,
15325 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15328 .cmd = NL80211_CMD_SET_WIPHY_NETNS,
15329 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15330 .doit = nl80211_wiphy_netns,
15331 .flags = GENL_UNS_ADMIN_PERM,
15332 .internal_flags = NL80211_FLAG_NEED_WIPHY,
15335 .cmd = NL80211_CMD_GET_SURVEY,
15336 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15337 .dumpit = nl80211_dump_survey,
15340 .cmd = NL80211_CMD_SET_PMKSA,
15341 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15342 .doit = nl80211_setdel_pmksa,
15343 .flags = GENL_UNS_ADMIN_PERM,
15344 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15346 NL80211_FLAG_CLEAR_SKB,
15349 .cmd = NL80211_CMD_DEL_PMKSA,
15350 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15351 .doit = nl80211_setdel_pmksa,
15352 .flags = GENL_UNS_ADMIN_PERM,
15353 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15356 .cmd = NL80211_CMD_FLUSH_PMKSA,
15357 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15358 .doit = nl80211_flush_pmksa,
15359 .flags = GENL_UNS_ADMIN_PERM,
15360 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15363 .cmd = NL80211_CMD_REMAIN_ON_CHANNEL,
15364 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15365 .doit = nl80211_remain_on_channel,
15366 .flags = GENL_UNS_ADMIN_PERM,
15367 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
15370 .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
15371 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15372 .doit = nl80211_cancel_remain_on_channel,
15373 .flags = GENL_UNS_ADMIN_PERM,
15374 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
15377 .cmd = NL80211_CMD_SET_TX_BITRATE_MASK,
15378 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15379 .doit = nl80211_set_tx_bitrate_mask,
15380 .flags = GENL_UNS_ADMIN_PERM,
15381 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15384 .cmd = NL80211_CMD_REGISTER_FRAME,
15385 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15386 .doit = nl80211_register_mgmt,
15387 .flags = GENL_UNS_ADMIN_PERM,
15388 .internal_flags = NL80211_FLAG_NEED_WDEV,
15391 .cmd = NL80211_CMD_FRAME,
15392 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15393 .doit = nl80211_tx_mgmt,
15394 .flags = GENL_UNS_ADMIN_PERM,
15395 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
15398 .cmd = NL80211_CMD_FRAME_WAIT_CANCEL,
15399 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15400 .doit = nl80211_tx_mgmt_cancel_wait,
15401 .flags = GENL_UNS_ADMIN_PERM,
15402 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
15405 .cmd = NL80211_CMD_SET_POWER_SAVE,
15406 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15407 .doit = nl80211_set_power_save,
15408 .flags = GENL_UNS_ADMIN_PERM,
15409 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15412 .cmd = NL80211_CMD_GET_POWER_SAVE,
15413 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15414 .doit = nl80211_get_power_save,
15415 /* can be retrieved by unprivileged users */
15416 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15419 .cmd = NL80211_CMD_SET_CQM,
15420 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15421 .doit = nl80211_set_cqm,
15422 .flags = GENL_UNS_ADMIN_PERM,
15423 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15426 .cmd = NL80211_CMD_SET_CHANNEL,
15427 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15428 .doit = nl80211_set_channel,
15429 .flags = GENL_UNS_ADMIN_PERM,
15430 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15433 .cmd = NL80211_CMD_JOIN_MESH,
15434 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15435 .doit = nl80211_join_mesh,
15436 .flags = GENL_UNS_ADMIN_PERM,
15437 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15440 .cmd = NL80211_CMD_LEAVE_MESH,
15441 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15442 .doit = nl80211_leave_mesh,
15443 .flags = GENL_UNS_ADMIN_PERM,
15444 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15447 .cmd = NL80211_CMD_JOIN_OCB,
15448 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15449 .doit = nl80211_join_ocb,
15450 .flags = GENL_UNS_ADMIN_PERM,
15451 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15454 .cmd = NL80211_CMD_LEAVE_OCB,
15455 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15456 .doit = nl80211_leave_ocb,
15457 .flags = GENL_UNS_ADMIN_PERM,
15458 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15462 .cmd = NL80211_CMD_GET_WOWLAN,
15463 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15464 .doit = nl80211_get_wowlan,
15465 /* can be retrieved by unprivileged users */
15466 .internal_flags = NL80211_FLAG_NEED_WIPHY,
15469 .cmd = NL80211_CMD_SET_WOWLAN,
15470 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15471 .doit = nl80211_set_wowlan,
15472 .flags = GENL_UNS_ADMIN_PERM,
15473 .internal_flags = NL80211_FLAG_NEED_WIPHY,
15477 .cmd = NL80211_CMD_SET_REKEY_OFFLOAD,
15478 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15479 .doit = nl80211_set_rekey_data,
15480 .flags = GENL_UNS_ADMIN_PERM,
15481 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15483 NL80211_FLAG_CLEAR_SKB,
15486 .cmd = NL80211_CMD_TDLS_MGMT,
15487 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15488 .doit = nl80211_tdls_mgmt,
15489 .flags = GENL_UNS_ADMIN_PERM,
15490 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15493 .cmd = NL80211_CMD_TDLS_OPER,
15494 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15495 .doit = nl80211_tdls_oper,
15496 .flags = GENL_UNS_ADMIN_PERM,
15497 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15500 .cmd = NL80211_CMD_UNEXPECTED_FRAME,
15501 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15502 .doit = nl80211_register_unexpected_frame,
15503 .flags = GENL_UNS_ADMIN_PERM,
15504 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15507 .cmd = NL80211_CMD_PROBE_CLIENT,
15508 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15509 .doit = nl80211_probe_client,
15510 .flags = GENL_UNS_ADMIN_PERM,
15511 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15514 .cmd = NL80211_CMD_REGISTER_BEACONS,
15515 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15516 .doit = nl80211_register_beacons,
15517 .flags = GENL_UNS_ADMIN_PERM,
15518 .internal_flags = NL80211_FLAG_NEED_WIPHY,
15521 .cmd = NL80211_CMD_SET_NOACK_MAP,
15522 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15523 .doit = nl80211_set_noack_map,
15524 .flags = GENL_UNS_ADMIN_PERM,
15525 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15528 .cmd = NL80211_CMD_START_P2P_DEVICE,
15529 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15530 .doit = nl80211_start_p2p_device,
15531 .flags = GENL_UNS_ADMIN_PERM,
15532 .internal_flags = NL80211_FLAG_NEED_WDEV |
15533 NL80211_FLAG_NEED_RTNL,
15536 .cmd = NL80211_CMD_STOP_P2P_DEVICE,
15537 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15538 .doit = nl80211_stop_p2p_device,
15539 .flags = GENL_UNS_ADMIN_PERM,
15540 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
15541 NL80211_FLAG_NEED_RTNL,
15544 .cmd = NL80211_CMD_START_NAN,
15545 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15546 .doit = nl80211_start_nan,
15547 .flags = GENL_ADMIN_PERM,
15548 .internal_flags = NL80211_FLAG_NEED_WDEV |
15549 NL80211_FLAG_NEED_RTNL,
15552 .cmd = NL80211_CMD_STOP_NAN,
15553 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15554 .doit = nl80211_stop_nan,
15555 .flags = GENL_ADMIN_PERM,
15556 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
15557 NL80211_FLAG_NEED_RTNL,
15560 .cmd = NL80211_CMD_ADD_NAN_FUNCTION,
15561 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15562 .doit = nl80211_nan_add_func,
15563 .flags = GENL_ADMIN_PERM,
15564 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
15567 .cmd = NL80211_CMD_DEL_NAN_FUNCTION,
15568 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15569 .doit = nl80211_nan_del_func,
15570 .flags = GENL_ADMIN_PERM,
15571 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
15574 .cmd = NL80211_CMD_CHANGE_NAN_CONFIG,
15575 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15576 .doit = nl80211_nan_change_config,
15577 .flags = GENL_ADMIN_PERM,
15578 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
15581 .cmd = NL80211_CMD_SET_MCAST_RATE,
15582 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15583 .doit = nl80211_set_mcast_rate,
15584 .flags = GENL_UNS_ADMIN_PERM,
15585 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15588 .cmd = NL80211_CMD_SET_MAC_ACL,
15589 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15590 .doit = nl80211_set_mac_acl,
15591 .flags = GENL_UNS_ADMIN_PERM,
15592 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15595 .cmd = NL80211_CMD_RADAR_DETECT,
15596 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15597 .doit = nl80211_start_radar_detection,
15598 .flags = GENL_UNS_ADMIN_PERM,
15599 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15602 .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES,
15603 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15604 .doit = nl80211_get_protocol_features,
15607 .cmd = NL80211_CMD_UPDATE_FT_IES,
15608 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15609 .doit = nl80211_update_ft_ies,
15610 .flags = GENL_UNS_ADMIN_PERM,
15611 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15614 .cmd = NL80211_CMD_CRIT_PROTOCOL_START,
15615 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15616 .doit = nl80211_crit_protocol_start,
15617 .flags = GENL_UNS_ADMIN_PERM,
15618 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
15621 .cmd = NL80211_CMD_CRIT_PROTOCOL_STOP,
15622 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15623 .doit = nl80211_crit_protocol_stop,
15624 .flags = GENL_UNS_ADMIN_PERM,
15625 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
15628 .cmd = NL80211_CMD_GET_COALESCE,
15629 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15630 .doit = nl80211_get_coalesce,
15631 .internal_flags = NL80211_FLAG_NEED_WIPHY,
15634 .cmd = NL80211_CMD_SET_COALESCE,
15635 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15636 .doit = nl80211_set_coalesce,
15637 .flags = GENL_UNS_ADMIN_PERM,
15638 .internal_flags = NL80211_FLAG_NEED_WIPHY,
15641 .cmd = NL80211_CMD_CHANNEL_SWITCH,
15642 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15643 .doit = nl80211_channel_switch,
15644 .flags = GENL_UNS_ADMIN_PERM,
15645 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15648 .cmd = NL80211_CMD_VENDOR,
15649 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15650 .doit = nl80211_vendor_cmd,
15651 .dumpit = nl80211_vendor_cmd_dump,
15652 .flags = GENL_UNS_ADMIN_PERM,
15653 .internal_flags = NL80211_FLAG_NEED_WIPHY |
15655 NL80211_FLAG_CLEAR_SKB,
15658 .cmd = NL80211_CMD_SET_QOS_MAP,
15659 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15660 .doit = nl80211_set_qos_map,
15661 .flags = GENL_UNS_ADMIN_PERM,
15662 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15665 .cmd = NL80211_CMD_ADD_TX_TS,
15666 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15667 .doit = nl80211_add_tx_ts,
15668 .flags = GENL_UNS_ADMIN_PERM,
15669 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15672 .cmd = NL80211_CMD_DEL_TX_TS,
15673 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15674 .doit = nl80211_del_tx_ts,
15675 .flags = GENL_UNS_ADMIN_PERM,
15676 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15679 .cmd = NL80211_CMD_TDLS_CHANNEL_SWITCH,
15680 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15681 .doit = nl80211_tdls_channel_switch,
15682 .flags = GENL_UNS_ADMIN_PERM,
15683 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15686 .cmd = NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH,
15687 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15688 .doit = nl80211_tdls_cancel_channel_switch,
15689 .flags = GENL_UNS_ADMIN_PERM,
15690 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15693 .cmd = NL80211_CMD_SET_MULTICAST_TO_UNICAST,
15694 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15695 .doit = nl80211_set_multicast_to_unicast,
15696 .flags = GENL_UNS_ADMIN_PERM,
15697 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15700 .cmd = NL80211_CMD_SET_PMK,
15701 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15702 .doit = nl80211_set_pmk,
15703 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15705 NL80211_FLAG_CLEAR_SKB,
15708 .cmd = NL80211_CMD_DEL_PMK,
15709 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15710 .doit = nl80211_del_pmk,
15711 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15714 .cmd = NL80211_CMD_EXTERNAL_AUTH,
15715 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15716 .doit = nl80211_external_auth,
15717 .flags = GENL_ADMIN_PERM,
15718 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15721 .cmd = NL80211_CMD_CONTROL_PORT_FRAME,
15722 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15723 .doit = nl80211_tx_control_port,
15724 .flags = GENL_UNS_ADMIN_PERM,
15725 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15728 .cmd = NL80211_CMD_GET_FTM_RESPONDER_STATS,
15729 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15730 .doit = nl80211_get_ftm_responder_stats,
15731 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15734 .cmd = NL80211_CMD_PEER_MEASUREMENT_START,
15735 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15736 .doit = nl80211_pmsr_start,
15737 .flags = GENL_UNS_ADMIN_PERM,
15738 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
15741 .cmd = NL80211_CMD_NOTIFY_RADAR,
15742 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15743 .doit = nl80211_notify_radar_detection,
15744 .flags = GENL_UNS_ADMIN_PERM,
15745 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15748 .cmd = NL80211_CMD_UPDATE_OWE_INFO,
15749 .doit = nl80211_update_owe_info,
15750 .flags = GENL_ADMIN_PERM,
15751 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15754 .cmd = NL80211_CMD_PROBE_MESH_LINK,
15755 .doit = nl80211_probe_mesh_link,
15756 .flags = GENL_UNS_ADMIN_PERM,
15757 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15760 .cmd = NL80211_CMD_SET_TID_CONFIG,
15761 .doit = nl80211_set_tid_config,
15762 .flags = GENL_UNS_ADMIN_PERM,
15763 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15766 .cmd = NL80211_CMD_SET_SAR_SPECS,
15767 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15768 .doit = nl80211_set_sar_specs,
15769 .flags = GENL_UNS_ADMIN_PERM,
15770 .internal_flags = NL80211_FLAG_NEED_WIPHY |
15771 NL80211_FLAG_NEED_RTNL,
15775 static struct genl_family nl80211_fam __ro_after_init = {
15776 .name = NL80211_GENL_NAME, /* have users key off the name instead */
15777 .hdrsize = 0, /* no private header */
15778 .version = 1, /* no particular meaning now */
15779 .maxattr = NL80211_ATTR_MAX,
15780 .policy = nl80211_policy,
15782 .pre_doit = nl80211_pre_doit,
15783 .post_doit = nl80211_post_doit,
15784 .module = THIS_MODULE,
15785 .ops = nl80211_ops,
15786 .n_ops = ARRAY_SIZE(nl80211_ops),
15787 .small_ops = nl80211_small_ops,
15788 .n_small_ops = ARRAY_SIZE(nl80211_small_ops),
15789 .mcgrps = nl80211_mcgrps,
15790 .n_mcgrps = ARRAY_SIZE(nl80211_mcgrps),
15791 .parallel_ops = true,
15794 /* notification functions */
15796 void nl80211_notify_wiphy(struct cfg80211_registered_device *rdev,
15797 enum nl80211_commands cmd)
15799 struct sk_buff *msg;
15800 struct nl80211_dump_wiphy_state state = {};
15802 WARN_ON(cmd != NL80211_CMD_NEW_WIPHY &&
15803 cmd != NL80211_CMD_DEL_WIPHY);
15805 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
15809 if (nl80211_send_wiphy(rdev, cmd, msg, 0, 0, 0, &state) < 0) {
15814 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15815 NL80211_MCGRP_CONFIG, GFP_KERNEL);
15818 void nl80211_notify_iface(struct cfg80211_registered_device *rdev,
15819 struct wireless_dev *wdev,
15820 enum nl80211_commands cmd)
15822 struct sk_buff *msg;
15824 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
15828 if (nl80211_send_iface(msg, 0, 0, 0, rdev, wdev, cmd) < 0) {
15833 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15834 NL80211_MCGRP_CONFIG, GFP_KERNEL);
15837 static int nl80211_add_scan_req(struct sk_buff *msg,
15838 struct cfg80211_registered_device *rdev)
15840 struct cfg80211_scan_request *req = rdev->scan_req;
15841 struct nlattr *nest;
15843 struct cfg80211_scan_info *info;
15848 nest = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_SSIDS);
15850 goto nla_put_failure;
15851 for (i = 0; i < req->n_ssids; i++) {
15852 if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid))
15853 goto nla_put_failure;
15855 nla_nest_end(msg, nest);
15857 if (req->flags & NL80211_SCAN_FLAG_FREQ_KHZ) {
15858 nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQ_KHZ);
15860 goto nla_put_failure;
15861 for (i = 0; i < req->n_channels; i++) {
15862 if (nla_put_u32(msg, i,
15863 ieee80211_channel_to_khz(req->channels[i])))
15864 goto nla_put_failure;
15866 nla_nest_end(msg, nest);
15868 nest = nla_nest_start_noflag(msg,
15869 NL80211_ATTR_SCAN_FREQUENCIES);
15871 goto nla_put_failure;
15872 for (i = 0; i < req->n_channels; i++) {
15873 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
15874 goto nla_put_failure;
15876 nla_nest_end(msg, nest);
15880 nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie))
15881 goto nla_put_failure;
15884 nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags))
15885 goto nla_put_failure;
15887 info = rdev->int_scan_req ? &rdev->int_scan_req->info :
15888 &rdev->scan_req->info;
15889 if (info->scan_start_tsf &&
15890 (nla_put_u64_64bit(msg, NL80211_ATTR_SCAN_START_TIME_TSF,
15891 info->scan_start_tsf, NL80211_BSS_PAD) ||
15892 nla_put(msg, NL80211_ATTR_SCAN_START_TIME_TSF_BSSID, ETH_ALEN,
15894 goto nla_put_failure;
15901 static int nl80211_prep_scan_msg(struct sk_buff *msg,
15902 struct cfg80211_registered_device *rdev,
15903 struct wireless_dev *wdev,
15904 u32 portid, u32 seq, int flags,
15909 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
15913 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15914 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
15915 wdev->netdev->ifindex)) ||
15916 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
15918 goto nla_put_failure;
15920 /* ignore errors and send incomplete event anyway */
15921 nl80211_add_scan_req(msg, rdev);
15923 genlmsg_end(msg, hdr);
15927 genlmsg_cancel(msg, hdr);
15932 nl80211_prep_sched_scan_msg(struct sk_buff *msg,
15933 struct cfg80211_sched_scan_request *req, u32 cmd)
15937 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
15941 if (nla_put_u32(msg, NL80211_ATTR_WIPHY,
15942 wiphy_to_rdev(req->wiphy)->wiphy_idx) ||
15943 nla_put_u32(msg, NL80211_ATTR_IFINDEX, req->dev->ifindex) ||
15944 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, req->reqid,
15946 goto nla_put_failure;
15948 genlmsg_end(msg, hdr);
15952 genlmsg_cancel(msg, hdr);
15956 void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
15957 struct wireless_dev *wdev)
15959 struct sk_buff *msg;
15961 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
15965 if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0,
15966 NL80211_CMD_TRIGGER_SCAN) < 0) {
15971 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15972 NL80211_MCGRP_SCAN, GFP_KERNEL);
15975 struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev,
15976 struct wireless_dev *wdev, bool aborted)
15978 struct sk_buff *msg;
15980 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
15984 if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0,
15985 aborted ? NL80211_CMD_SCAN_ABORTED :
15986 NL80211_CMD_NEW_SCAN_RESULTS) < 0) {
15994 /* send message created by nl80211_build_scan_msg() */
15995 void nl80211_send_scan_msg(struct cfg80211_registered_device *rdev,
15996 struct sk_buff *msg)
16001 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16002 NL80211_MCGRP_SCAN, GFP_KERNEL);
16005 void nl80211_send_sched_scan(struct cfg80211_sched_scan_request *req, u32 cmd)
16007 struct sk_buff *msg;
16009 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
16013 if (nl80211_prep_sched_scan_msg(msg, req, cmd) < 0) {
16018 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(req->wiphy), msg, 0,
16019 NL80211_MCGRP_SCAN, GFP_KERNEL);
16022 static bool nl80211_reg_change_event_fill(struct sk_buff *msg,
16023 struct regulatory_request *request)
16025 /* Userspace can always count this one always being set */
16026 if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator))
16027 goto nla_put_failure;
16029 if (request->alpha2[0] == '0' && request->alpha2[1] == '0') {
16030 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
16031 NL80211_REGDOM_TYPE_WORLD))
16032 goto nla_put_failure;
16033 } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') {
16034 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
16035 NL80211_REGDOM_TYPE_CUSTOM_WORLD))
16036 goto nla_put_failure;
16037 } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') ||
16038 request->intersect) {
16039 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
16040 NL80211_REGDOM_TYPE_INTERSECTION))
16041 goto nla_put_failure;
16043 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
16044 NL80211_REGDOM_TYPE_COUNTRY) ||
16045 nla_put_string(msg, NL80211_ATTR_REG_ALPHA2,
16047 goto nla_put_failure;
16050 if (request->wiphy_idx != WIPHY_IDX_INVALID) {
16051 struct wiphy *wiphy = wiphy_idx_to_wiphy(request->wiphy_idx);
16054 nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx))
16055 goto nla_put_failure;
16058 wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
16059 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
16060 goto nla_put_failure;
16070 * This can happen on global regulatory changes or device specific settings
16071 * based on custom regulatory domains.
16073 void nl80211_common_reg_change_event(enum nl80211_commands cmd_id,
16074 struct regulatory_request *request)
16076 struct sk_buff *msg;
16079 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
16083 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd_id);
16085 goto nla_put_failure;
16087 if (!nl80211_reg_change_event_fill(msg, request))
16088 goto nla_put_failure;
16090 genlmsg_end(msg, hdr);
16093 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
16094 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
16103 static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
16104 struct net_device *netdev,
16105 const u8 *buf, size_t len,
16106 enum nl80211_commands cmd, gfp_t gfp,
16107 int uapsd_queues, const u8 *req_ies,
16108 size_t req_ies_len, bool reconnect)
16110 struct sk_buff *msg;
16113 msg = nlmsg_new(100 + len + req_ies_len, gfp);
16117 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
16123 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16124 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16125 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
16127 nla_put(msg, NL80211_ATTR_REQ_IE, req_ies_len, req_ies)))
16128 goto nla_put_failure;
16130 if (reconnect && nla_put_flag(msg, NL80211_ATTR_RECONNECT_REQUESTED))
16131 goto nla_put_failure;
16133 if (uapsd_queues >= 0) {
16134 struct nlattr *nla_wmm =
16135 nla_nest_start_noflag(msg, NL80211_ATTR_STA_WME);
16137 goto nla_put_failure;
16139 if (nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES,
16141 goto nla_put_failure;
16143 nla_nest_end(msg, nla_wmm);
16146 genlmsg_end(msg, hdr);
16148 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16149 NL80211_MCGRP_MLME, gfp);
16156 void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev,
16157 struct net_device *netdev, const u8 *buf,
16158 size_t len, gfp_t gfp)
16160 nl80211_send_mlme_event(rdev, netdev, buf, len,
16161 NL80211_CMD_AUTHENTICATE, gfp, -1, NULL, 0,
16165 void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev,
16166 struct net_device *netdev, const u8 *buf,
16167 size_t len, gfp_t gfp, int uapsd_queues,
16168 const u8 *req_ies, size_t req_ies_len)
16170 nl80211_send_mlme_event(rdev, netdev, buf, len,
16171 NL80211_CMD_ASSOCIATE, gfp, uapsd_queues,
16172 req_ies, req_ies_len, false);
16175 void nl80211_send_deauth(struct cfg80211_registered_device *rdev,
16176 struct net_device *netdev, const u8 *buf,
16177 size_t len, bool reconnect, gfp_t gfp)
16179 nl80211_send_mlme_event(rdev, netdev, buf, len,
16180 NL80211_CMD_DEAUTHENTICATE, gfp, -1, NULL, 0,
16184 void nl80211_send_disassoc(struct cfg80211_registered_device *rdev,
16185 struct net_device *netdev, const u8 *buf,
16186 size_t len, bool reconnect, gfp_t gfp)
16188 nl80211_send_mlme_event(rdev, netdev, buf, len,
16189 NL80211_CMD_DISASSOCIATE, gfp, -1, NULL, 0,
16193 void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf,
16196 struct wireless_dev *wdev = dev->ieee80211_ptr;
16197 struct wiphy *wiphy = wdev->wiphy;
16198 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16199 const struct ieee80211_mgmt *mgmt = (void *)buf;
16202 if (WARN_ON(len < 2))
16205 if (ieee80211_is_deauth(mgmt->frame_control)) {
16206 cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE;
16207 } else if (ieee80211_is_disassoc(mgmt->frame_control)) {
16208 cmd = NL80211_CMD_UNPROT_DISASSOCIATE;
16209 } else if (ieee80211_is_beacon(mgmt->frame_control)) {
16210 if (wdev->unprot_beacon_reported &&
16211 elapsed_jiffies_msecs(wdev->unprot_beacon_reported) < 10000)
16213 cmd = NL80211_CMD_UNPROT_BEACON;
16214 wdev->unprot_beacon_reported = jiffies;
16219 trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len);
16220 nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC, -1,
16223 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt);
16225 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev,
16226 struct net_device *netdev, int cmd,
16227 const u8 *addr, gfp_t gfp)
16229 struct sk_buff *msg;
16232 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16236 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
16242 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16243 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16244 nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
16245 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
16246 goto nla_put_failure;
16248 genlmsg_end(msg, hdr);
16250 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16251 NL80211_MCGRP_MLME, gfp);
16258 void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev,
16259 struct net_device *netdev, const u8 *addr,
16262 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE,
16266 void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev,
16267 struct net_device *netdev, const u8 *addr,
16270 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE,
16274 void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
16275 struct net_device *netdev,
16276 struct cfg80211_connect_resp_params *cr,
16279 struct sk_buff *msg;
16282 msg = nlmsg_new(100 + cr->req_ie_len + cr->resp_ie_len +
16283 cr->fils.kek_len + cr->fils.pmk_len +
16284 (cr->fils.pmkid ? WLAN_PMKID_LEN : 0), gfp);
16288 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT);
16294 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16295 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16297 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, cr->bssid)) ||
16298 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE,
16299 cr->status < 0 ? WLAN_STATUS_UNSPECIFIED_FAILURE :
16302 (nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
16303 nla_put_u32(msg, NL80211_ATTR_TIMEOUT_REASON,
16304 cr->timeout_reason))) ||
16306 nla_put(msg, NL80211_ATTR_REQ_IE, cr->req_ie_len, cr->req_ie)) ||
16308 nla_put(msg, NL80211_ATTR_RESP_IE, cr->resp_ie_len,
16310 (cr->fils.update_erp_next_seq_num &&
16311 nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
16312 cr->fils.erp_next_seq_num)) ||
16313 (cr->status == WLAN_STATUS_SUCCESS &&
16315 nla_put(msg, NL80211_ATTR_FILS_KEK, cr->fils.kek_len,
16318 nla_put(msg, NL80211_ATTR_PMK, cr->fils.pmk_len, cr->fils.pmk)) ||
16320 nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, cr->fils.pmkid)))))
16321 goto nla_put_failure;
16323 genlmsg_end(msg, hdr);
16325 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16326 NL80211_MCGRP_MLME, gfp);
16333 void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
16334 struct net_device *netdev,
16335 struct cfg80211_roam_info *info, gfp_t gfp)
16337 struct sk_buff *msg;
16339 const u8 *bssid = info->bss ? info->bss->bssid : info->bssid;
16341 msg = nlmsg_new(100 + info->req_ie_len + info->resp_ie_len +
16342 info->fils.kek_len + info->fils.pmk_len +
16343 (info->fils.pmkid ? WLAN_PMKID_LEN : 0), gfp);
16347 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM);
16353 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16354 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16355 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid) ||
16357 nla_put(msg, NL80211_ATTR_REQ_IE, info->req_ie_len,
16360 nla_put(msg, NL80211_ATTR_RESP_IE, info->resp_ie_len,
16362 (info->fils.update_erp_next_seq_num &&
16363 nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
16364 info->fils.erp_next_seq_num)) ||
16366 nla_put(msg, NL80211_ATTR_FILS_KEK, info->fils.kek_len,
16367 info->fils.kek)) ||
16369 nla_put(msg, NL80211_ATTR_PMK, info->fils.pmk_len, info->fils.pmk)) ||
16370 (info->fils.pmkid &&
16371 nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, info->fils.pmkid)))
16372 goto nla_put_failure;
16374 genlmsg_end(msg, hdr);
16376 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16377 NL80211_MCGRP_MLME, gfp);
16384 void nl80211_send_port_authorized(struct cfg80211_registered_device *rdev,
16385 struct net_device *netdev, const u8 *bssid)
16387 struct sk_buff *msg;
16390 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
16394 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PORT_AUTHORIZED);
16400 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16401 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16402 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
16403 goto nla_put_failure;
16405 genlmsg_end(msg, hdr);
16407 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16408 NL80211_MCGRP_MLME, GFP_KERNEL);
16415 void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
16416 struct net_device *netdev, u16 reason,
16417 const u8 *ie, size_t ie_len, bool from_ap)
16419 struct sk_buff *msg;
16422 msg = nlmsg_new(100 + ie_len, GFP_KERNEL);
16426 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT);
16432 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16433 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16435 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) ||
16437 nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) ||
16438 (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie)))
16439 goto nla_put_failure;
16441 genlmsg_end(msg, hdr);
16443 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16444 NL80211_MCGRP_MLME, GFP_KERNEL);
16451 void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev,
16452 struct net_device *netdev, const u8 *bssid,
16455 struct sk_buff *msg;
16458 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16462 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS);
16468 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16469 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16470 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
16471 goto nla_put_failure;
16473 genlmsg_end(msg, hdr);
16475 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16476 NL80211_MCGRP_MLME, gfp);
16483 void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr,
16484 const u8 *ie, u8 ie_len,
16485 int sig_dbm, gfp_t gfp)
16487 struct wireless_dev *wdev = dev->ieee80211_ptr;
16488 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16489 struct sk_buff *msg;
16492 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT))
16495 trace_cfg80211_notify_new_peer_candidate(dev, addr);
16497 msg = nlmsg_new(100 + ie_len, gfp);
16501 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE);
16507 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16508 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16509 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
16511 nla_put(msg, NL80211_ATTR_IE, ie_len, ie)) ||
16513 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)))
16514 goto nla_put_failure;
16516 genlmsg_end(msg, hdr);
16518 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16519 NL80211_MCGRP_MLME, gfp);
16525 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate);
16527 void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
16528 struct net_device *netdev, const u8 *addr,
16529 enum nl80211_key_type key_type, int key_id,
16530 const u8 *tsc, gfp_t gfp)
16532 struct sk_buff *msg;
16535 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16539 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE);
16545 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16546 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16547 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
16548 nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) ||
16550 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) ||
16551 (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc)))
16552 goto nla_put_failure;
16554 genlmsg_end(msg, hdr);
16556 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16557 NL80211_MCGRP_MLME, gfp);
16564 void nl80211_send_beacon_hint_event(struct wiphy *wiphy,
16565 struct ieee80211_channel *channel_before,
16566 struct ieee80211_channel *channel_after)
16568 struct sk_buff *msg;
16570 struct nlattr *nl_freq;
16572 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
16576 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT);
16583 * Since we are applying the beacon hint to a wiphy we know its
16584 * wiphy_idx is valid
16586 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
16587 goto nla_put_failure;
16590 nl_freq = nla_nest_start_noflag(msg, NL80211_ATTR_FREQ_BEFORE);
16592 goto nla_put_failure;
16594 if (nl80211_msg_put_channel(msg, wiphy, channel_before, false))
16595 goto nla_put_failure;
16596 nla_nest_end(msg, nl_freq);
16599 nl_freq = nla_nest_start_noflag(msg, NL80211_ATTR_FREQ_AFTER);
16601 goto nla_put_failure;
16603 if (nl80211_msg_put_channel(msg, wiphy, channel_after, false))
16604 goto nla_put_failure;
16605 nla_nest_end(msg, nl_freq);
16607 genlmsg_end(msg, hdr);
16610 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
16611 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
16620 static void nl80211_send_remain_on_chan_event(
16621 int cmd, struct cfg80211_registered_device *rdev,
16622 struct wireless_dev *wdev, u64 cookie,
16623 struct ieee80211_channel *chan,
16624 unsigned int duration, gfp_t gfp)
16626 struct sk_buff *msg;
16629 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16633 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
16639 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16640 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
16641 wdev->netdev->ifindex)) ||
16642 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16643 NL80211_ATTR_PAD) ||
16644 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) ||
16645 nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
16646 NL80211_CHAN_NO_HT) ||
16647 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
16649 goto nla_put_failure;
16651 if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL &&
16652 nla_put_u32(msg, NL80211_ATTR_DURATION, duration))
16653 goto nla_put_failure;
16655 genlmsg_end(msg, hdr);
16657 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16658 NL80211_MCGRP_MLME, gfp);
16665 void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie,
16666 struct ieee80211_channel *chan,
16667 unsigned int duration, gfp_t gfp)
16669 struct wiphy *wiphy = wdev->wiphy;
16670 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16672 trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration);
16673 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL,
16674 rdev, wdev, cookie, chan,
16677 EXPORT_SYMBOL(cfg80211_ready_on_channel);
16679 void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie,
16680 struct ieee80211_channel *chan,
16683 struct wiphy *wiphy = wdev->wiphy;
16684 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16686 trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan);
16687 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
16688 rdev, wdev, cookie, chan, 0, gfp);
16690 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired);
16692 void cfg80211_tx_mgmt_expired(struct wireless_dev *wdev, u64 cookie,
16693 struct ieee80211_channel *chan,
16696 struct wiphy *wiphy = wdev->wiphy;
16697 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16699 trace_cfg80211_tx_mgmt_expired(wdev, cookie, chan);
16700 nl80211_send_remain_on_chan_event(NL80211_CMD_FRAME_WAIT_CANCEL,
16701 rdev, wdev, cookie, chan, 0, gfp);
16703 EXPORT_SYMBOL(cfg80211_tx_mgmt_expired);
16705 void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr,
16706 struct station_info *sinfo, gfp_t gfp)
16708 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
16709 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16710 struct sk_buff *msg;
16712 trace_cfg80211_new_sta(dev, mac_addr, sinfo);
16714 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16718 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION, 0, 0, 0,
16719 rdev, dev, mac_addr, sinfo) < 0) {
16724 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16725 NL80211_MCGRP_MLME, gfp);
16727 EXPORT_SYMBOL(cfg80211_new_sta);
16729 void cfg80211_del_sta_sinfo(struct net_device *dev, const u8 *mac_addr,
16730 struct station_info *sinfo, gfp_t gfp)
16732 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
16733 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16734 struct sk_buff *msg;
16735 struct station_info empty_sinfo = {};
16738 sinfo = &empty_sinfo;
16740 trace_cfg80211_del_sta(dev, mac_addr);
16742 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16744 cfg80211_sinfo_release_content(sinfo);
16748 if (nl80211_send_station(msg, NL80211_CMD_DEL_STATION, 0, 0, 0,
16749 rdev, dev, mac_addr, sinfo) < 0) {
16754 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16755 NL80211_MCGRP_MLME, gfp);
16757 EXPORT_SYMBOL(cfg80211_del_sta_sinfo);
16759 void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr,
16760 enum nl80211_connect_failed_reason reason,
16763 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
16764 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16765 struct sk_buff *msg;
16768 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
16772 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED);
16778 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16779 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
16780 nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason))
16781 goto nla_put_failure;
16783 genlmsg_end(msg, hdr);
16785 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16786 NL80211_MCGRP_MLME, gfp);
16792 EXPORT_SYMBOL(cfg80211_conn_failed);
16794 static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd,
16795 const u8 *addr, gfp_t gfp)
16797 struct wireless_dev *wdev = dev->ieee80211_ptr;
16798 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16799 struct sk_buff *msg;
16801 u32 nlportid = READ_ONCE(wdev->ap_unexpected_nlportid);
16806 msg = nlmsg_new(100, gfp);
16810 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
16816 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16817 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16818 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
16819 goto nla_put_failure;
16821 genlmsg_end(msg, hdr);
16822 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
16830 bool cfg80211_rx_spurious_frame(struct net_device *dev,
16831 const u8 *addr, gfp_t gfp)
16833 struct wireless_dev *wdev = dev->ieee80211_ptr;
16836 trace_cfg80211_rx_spurious_frame(dev, addr);
16838 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
16839 wdev->iftype != NL80211_IFTYPE_P2P_GO)) {
16840 trace_cfg80211_return_bool(false);
16843 ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME,
16845 trace_cfg80211_return_bool(ret);
16848 EXPORT_SYMBOL(cfg80211_rx_spurious_frame);
16850 bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev,
16851 const u8 *addr, gfp_t gfp)
16853 struct wireless_dev *wdev = dev->ieee80211_ptr;
16856 trace_cfg80211_rx_unexpected_4addr_frame(dev, addr);
16858 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
16859 wdev->iftype != NL80211_IFTYPE_P2P_GO &&
16860 wdev->iftype != NL80211_IFTYPE_AP_VLAN)) {
16861 trace_cfg80211_return_bool(false);
16864 ret = __nl80211_unexpected_frame(dev,
16865 NL80211_CMD_UNEXPECTED_4ADDR_FRAME,
16867 trace_cfg80211_return_bool(ret);
16870 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame);
16872 int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
16873 struct wireless_dev *wdev, u32 nlportid,
16874 int freq, int sig_dbm,
16875 const u8 *buf, size_t len, u32 flags, gfp_t gfp)
16877 struct net_device *netdev = wdev->netdev;
16878 struct sk_buff *msg;
16881 msg = nlmsg_new(100 + len, gfp);
16885 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
16891 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16892 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
16893 netdev->ifindex)) ||
16894 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16895 NL80211_ATTR_PAD) ||
16896 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, KHZ_TO_MHZ(freq)) ||
16897 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_OFFSET, freq % 1000) ||
16899 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
16900 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
16902 nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, flags)))
16903 goto nla_put_failure;
16905 genlmsg_end(msg, hdr);
16907 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
16914 static void nl80211_frame_tx_status(struct wireless_dev *wdev, u64 cookie,
16915 const u8 *buf, size_t len, bool ack,
16916 gfp_t gfp, enum nl80211_commands command)
16918 struct wiphy *wiphy = wdev->wiphy;
16919 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16920 struct net_device *netdev = wdev->netdev;
16921 struct sk_buff *msg;
16924 if (command == NL80211_CMD_FRAME_TX_STATUS)
16925 trace_cfg80211_mgmt_tx_status(wdev, cookie, ack);
16927 trace_cfg80211_control_port_tx_status(wdev, cookie, ack);
16929 msg = nlmsg_new(100 + len, gfp);
16933 hdr = nl80211hdr_put(msg, 0, 0, 0, command);
16939 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16940 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
16941 netdev->ifindex)) ||
16942 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16943 NL80211_ATTR_PAD) ||
16944 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
16945 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
16946 NL80211_ATTR_PAD) ||
16947 (ack && nla_put_flag(msg, NL80211_ATTR_ACK)))
16948 goto nla_put_failure;
16950 genlmsg_end(msg, hdr);
16952 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16953 NL80211_MCGRP_MLME, gfp);
16960 void cfg80211_control_port_tx_status(struct wireless_dev *wdev, u64 cookie,
16961 const u8 *buf, size_t len, bool ack,
16964 nl80211_frame_tx_status(wdev, cookie, buf, len, ack, gfp,
16965 NL80211_CMD_CONTROL_PORT_FRAME_TX_STATUS);
16967 EXPORT_SYMBOL(cfg80211_control_port_tx_status);
16969 void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie,
16970 const u8 *buf, size_t len, bool ack, gfp_t gfp)
16972 nl80211_frame_tx_status(wdev, cookie, buf, len, ack, gfp,
16973 NL80211_CMD_FRAME_TX_STATUS);
16975 EXPORT_SYMBOL(cfg80211_mgmt_tx_status);
16977 static int __nl80211_rx_control_port(struct net_device *dev,
16978 struct sk_buff *skb,
16979 bool unencrypted, gfp_t gfp)
16981 struct wireless_dev *wdev = dev->ieee80211_ptr;
16982 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16983 struct ethhdr *ehdr = eth_hdr(skb);
16984 const u8 *addr = ehdr->h_source;
16985 u16 proto = be16_to_cpu(skb->protocol);
16986 struct sk_buff *msg;
16988 struct nlattr *frame;
16990 u32 nlportid = READ_ONCE(wdev->conn_owner_nlportid);
16995 msg = nlmsg_new(100 + skb->len, gfp);
16999 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONTROL_PORT_FRAME);
17005 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17006 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
17007 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
17008 NL80211_ATTR_PAD) ||
17009 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
17010 nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, proto) ||
17011 (unencrypted && nla_put_flag(msg,
17012 NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)))
17013 goto nla_put_failure;
17015 frame = nla_reserve(msg, NL80211_ATTR_FRAME, skb->len);
17017 goto nla_put_failure;
17019 skb_copy_bits(skb, 0, nla_data(frame), skb->len);
17020 genlmsg_end(msg, hdr);
17022 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
17029 bool cfg80211_rx_control_port(struct net_device *dev,
17030 struct sk_buff *skb, bool unencrypted)
17034 trace_cfg80211_rx_control_port(dev, skb, unencrypted);
17035 ret = __nl80211_rx_control_port(dev, skb, unencrypted, GFP_ATOMIC);
17036 trace_cfg80211_return_bool(ret == 0);
17039 EXPORT_SYMBOL(cfg80211_rx_control_port);
17041 static struct sk_buff *cfg80211_prepare_cqm(struct net_device *dev,
17042 const char *mac, gfp_t gfp)
17044 struct wireless_dev *wdev = dev->ieee80211_ptr;
17045 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
17046 struct sk_buff *msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17052 cb = (void **)msg->cb;
17054 cb[0] = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
17060 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17061 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
17062 goto nla_put_failure;
17064 if (mac && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
17065 goto nla_put_failure;
17067 cb[1] = nla_nest_start_noflag(msg, NL80211_ATTR_CQM);
17069 goto nla_put_failure;
17079 static void cfg80211_send_cqm(struct sk_buff *msg, gfp_t gfp)
17081 void **cb = (void **)msg->cb;
17082 struct cfg80211_registered_device *rdev = cb[2];
17084 nla_nest_end(msg, cb[1]);
17085 genlmsg_end(msg, cb[0]);
17087 memset(msg->cb, 0, sizeof(msg->cb));
17089 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17090 NL80211_MCGRP_MLME, gfp);
17093 void cfg80211_cqm_rssi_notify(struct net_device *dev,
17094 enum nl80211_cqm_rssi_threshold_event rssi_event,
17095 s32 rssi_level, gfp_t gfp)
17097 struct sk_buff *msg;
17098 struct wireless_dev *wdev = dev->ieee80211_ptr;
17099 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
17101 trace_cfg80211_cqm_rssi_notify(dev, rssi_event, rssi_level);
17103 if (WARN_ON(rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW &&
17104 rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH))
17107 if (wdev->cqm_config) {
17108 wdev->cqm_config->last_rssi_event_value = rssi_level;
17110 cfg80211_cqm_rssi_update(rdev, dev);
17112 if (rssi_level == 0)
17113 rssi_level = wdev->cqm_config->last_rssi_event_value;
17116 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
17120 if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT,
17122 goto nla_put_failure;
17124 if (rssi_level && nla_put_s32(msg, NL80211_ATTR_CQM_RSSI_LEVEL,
17126 goto nla_put_failure;
17128 cfg80211_send_cqm(msg, gfp);
17135 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify);
17137 void cfg80211_cqm_txe_notify(struct net_device *dev,
17138 const u8 *peer, u32 num_packets,
17139 u32 rate, u32 intvl, gfp_t gfp)
17141 struct sk_buff *msg;
17143 msg = cfg80211_prepare_cqm(dev, peer, gfp);
17147 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets))
17148 goto nla_put_failure;
17150 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate))
17151 goto nla_put_failure;
17153 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl))
17154 goto nla_put_failure;
17156 cfg80211_send_cqm(msg, gfp);
17162 EXPORT_SYMBOL(cfg80211_cqm_txe_notify);
17164 void cfg80211_cqm_pktloss_notify(struct net_device *dev,
17165 const u8 *peer, u32 num_packets, gfp_t gfp)
17167 struct sk_buff *msg;
17169 trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets);
17171 msg = cfg80211_prepare_cqm(dev, peer, gfp);
17175 if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets))
17176 goto nla_put_failure;
17178 cfg80211_send_cqm(msg, gfp);
17184 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify);
17186 void cfg80211_cqm_beacon_loss_notify(struct net_device *dev, gfp_t gfp)
17188 struct sk_buff *msg;
17190 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
17194 if (nla_put_flag(msg, NL80211_ATTR_CQM_BEACON_LOSS_EVENT))
17195 goto nla_put_failure;
17197 cfg80211_send_cqm(msg, gfp);
17203 EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify);
17205 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev,
17206 struct net_device *netdev, const u8 *bssid,
17207 const u8 *replay_ctr, gfp_t gfp)
17209 struct sk_buff *msg;
17210 struct nlattr *rekey_attr;
17213 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17217 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD);
17223 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17224 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
17225 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
17226 goto nla_put_failure;
17228 rekey_attr = nla_nest_start_noflag(msg, NL80211_ATTR_REKEY_DATA);
17230 goto nla_put_failure;
17232 if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR,
17233 NL80211_REPLAY_CTR_LEN, replay_ctr))
17234 goto nla_put_failure;
17236 nla_nest_end(msg, rekey_attr);
17238 genlmsg_end(msg, hdr);
17240 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17241 NL80211_MCGRP_MLME, gfp);
17248 void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid,
17249 const u8 *replay_ctr, gfp_t gfp)
17251 struct wireless_dev *wdev = dev->ieee80211_ptr;
17252 struct wiphy *wiphy = wdev->wiphy;
17253 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17255 trace_cfg80211_gtk_rekey_notify(dev, bssid);
17256 nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp);
17258 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify);
17261 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev,
17262 struct net_device *netdev, int index,
17263 const u8 *bssid, bool preauth, gfp_t gfp)
17265 struct sk_buff *msg;
17266 struct nlattr *attr;
17269 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17273 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE);
17279 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17280 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
17281 goto nla_put_failure;
17283 attr = nla_nest_start_noflag(msg, NL80211_ATTR_PMKSA_CANDIDATE);
17285 goto nla_put_failure;
17287 if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) ||
17288 nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) ||
17290 nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH)))
17291 goto nla_put_failure;
17293 nla_nest_end(msg, attr);
17295 genlmsg_end(msg, hdr);
17297 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17298 NL80211_MCGRP_MLME, gfp);
17305 void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index,
17306 const u8 *bssid, bool preauth, gfp_t gfp)
17308 struct wireless_dev *wdev = dev->ieee80211_ptr;
17309 struct wiphy *wiphy = wdev->wiphy;
17310 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17312 trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth);
17313 nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp);
17315 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify);
17317 static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev,
17318 struct net_device *netdev,
17319 struct cfg80211_chan_def *chandef,
17321 enum nl80211_commands notif,
17322 u8 count, bool quiet)
17324 struct sk_buff *msg;
17327 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17331 hdr = nl80211hdr_put(msg, 0, 0, 0, notif);
17337 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
17338 goto nla_put_failure;
17340 if (nl80211_send_chandef(msg, chandef))
17341 goto nla_put_failure;
17343 if (notif == NL80211_CMD_CH_SWITCH_STARTED_NOTIFY) {
17344 if (nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT, count))
17345 goto nla_put_failure;
17347 nla_put_flag(msg, NL80211_ATTR_CH_SWITCH_BLOCK_TX))
17348 goto nla_put_failure;
17351 genlmsg_end(msg, hdr);
17353 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17354 NL80211_MCGRP_MLME, gfp);
17361 void cfg80211_ch_switch_notify(struct net_device *dev,
17362 struct cfg80211_chan_def *chandef)
17364 struct wireless_dev *wdev = dev->ieee80211_ptr;
17365 struct wiphy *wiphy = wdev->wiphy;
17366 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17368 ASSERT_WDEV_LOCK(wdev);
17370 trace_cfg80211_ch_switch_notify(dev, chandef);
17372 wdev->chandef = *chandef;
17373 wdev->preset_chandef = *chandef;
17375 if (wdev->iftype == NL80211_IFTYPE_STATION &&
17376 !WARN_ON(!wdev->current_bss))
17377 cfg80211_update_assoc_bss_entry(wdev, chandef->chan);
17379 cfg80211_sched_dfs_chan_update(rdev);
17381 nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL,
17382 NL80211_CMD_CH_SWITCH_NOTIFY, 0, false);
17384 EXPORT_SYMBOL(cfg80211_ch_switch_notify);
17386 void cfg80211_ch_switch_started_notify(struct net_device *dev,
17387 struct cfg80211_chan_def *chandef,
17388 u8 count, bool quiet)
17390 struct wireless_dev *wdev = dev->ieee80211_ptr;
17391 struct wiphy *wiphy = wdev->wiphy;
17392 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17394 trace_cfg80211_ch_switch_started_notify(dev, chandef);
17396 nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL,
17397 NL80211_CMD_CH_SWITCH_STARTED_NOTIFY,
17400 EXPORT_SYMBOL(cfg80211_ch_switch_started_notify);
17403 nl80211_radar_notify(struct cfg80211_registered_device *rdev,
17404 const struct cfg80211_chan_def *chandef,
17405 enum nl80211_radar_event event,
17406 struct net_device *netdev, gfp_t gfp)
17408 struct sk_buff *msg;
17411 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17415 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT);
17421 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
17422 goto nla_put_failure;
17424 /* NOP and radar events don't need a netdev parameter */
17426 struct wireless_dev *wdev = netdev->ieee80211_ptr;
17428 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
17429 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
17431 goto nla_put_failure;
17434 if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event))
17435 goto nla_put_failure;
17437 if (nl80211_send_chandef(msg, chandef))
17438 goto nla_put_failure;
17440 genlmsg_end(msg, hdr);
17442 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17443 NL80211_MCGRP_MLME, gfp);
17450 void cfg80211_sta_opmode_change_notify(struct net_device *dev, const u8 *mac,
17451 struct sta_opmode_info *sta_opmode,
17454 struct sk_buff *msg;
17455 struct wireless_dev *wdev = dev->ieee80211_ptr;
17456 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
17462 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17466 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STA_OPMODE_CHANGED);
17472 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
17473 goto nla_put_failure;
17475 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
17476 goto nla_put_failure;
17478 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
17479 goto nla_put_failure;
17481 if ((sta_opmode->changed & STA_OPMODE_SMPS_MODE_CHANGED) &&
17482 nla_put_u8(msg, NL80211_ATTR_SMPS_MODE, sta_opmode->smps_mode))
17483 goto nla_put_failure;
17485 if ((sta_opmode->changed & STA_OPMODE_MAX_BW_CHANGED) &&
17486 nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, sta_opmode->bw))
17487 goto nla_put_failure;
17489 if ((sta_opmode->changed & STA_OPMODE_N_SS_CHANGED) &&
17490 nla_put_u8(msg, NL80211_ATTR_NSS, sta_opmode->rx_nss))
17491 goto nla_put_failure;
17493 genlmsg_end(msg, hdr);
17495 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17496 NL80211_MCGRP_MLME, gfp);
17503 EXPORT_SYMBOL(cfg80211_sta_opmode_change_notify);
17505 void cfg80211_probe_status(struct net_device *dev, const u8 *addr,
17506 u64 cookie, bool acked, s32 ack_signal,
17507 bool is_valid_ack_signal, gfp_t gfp)
17509 struct wireless_dev *wdev = dev->ieee80211_ptr;
17510 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
17511 struct sk_buff *msg;
17514 trace_cfg80211_probe_status(dev, addr, cookie, acked);
17516 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17521 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT);
17527 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17528 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
17529 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
17530 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
17531 NL80211_ATTR_PAD) ||
17532 (acked && nla_put_flag(msg, NL80211_ATTR_ACK)) ||
17533 (is_valid_ack_signal && nla_put_s32(msg, NL80211_ATTR_ACK_SIGNAL,
17535 goto nla_put_failure;
17537 genlmsg_end(msg, hdr);
17539 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17540 NL80211_MCGRP_MLME, gfp);
17546 EXPORT_SYMBOL(cfg80211_probe_status);
17548 void cfg80211_report_obss_beacon_khz(struct wiphy *wiphy, const u8 *frame,
17549 size_t len, int freq, int sig_dbm)
17551 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17552 struct sk_buff *msg;
17554 struct cfg80211_beacon_registration *reg;
17556 trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm);
17558 spin_lock_bh(&rdev->beacon_registrations_lock);
17559 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
17560 msg = nlmsg_new(len + 100, GFP_ATOMIC);
17562 spin_unlock_bh(&rdev->beacon_registrations_lock);
17566 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
17568 goto nla_put_failure;
17570 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17572 (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
17573 KHZ_TO_MHZ(freq)) ||
17574 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_OFFSET,
17577 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
17578 nla_put(msg, NL80211_ATTR_FRAME, len, frame))
17579 goto nla_put_failure;
17581 genlmsg_end(msg, hdr);
17583 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid);
17585 spin_unlock_bh(&rdev->beacon_registrations_lock);
17589 spin_unlock_bh(&rdev->beacon_registrations_lock);
17592 EXPORT_SYMBOL(cfg80211_report_obss_beacon_khz);
17595 static int cfg80211_net_detect_results(struct sk_buff *msg,
17596 struct cfg80211_wowlan_wakeup *wakeup)
17598 struct cfg80211_wowlan_nd_info *nd = wakeup->net_detect;
17599 struct nlattr *nl_results, *nl_match, *nl_freqs;
17602 nl_results = nla_nest_start_noflag(msg,
17603 NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS);
17607 for (i = 0; i < nd->n_matches; i++) {
17608 struct cfg80211_wowlan_nd_match *match = nd->matches[i];
17610 nl_match = nla_nest_start_noflag(msg, i);
17614 /* The SSID attribute is optional in nl80211, but for
17615 * simplicity reasons it's always present in the
17616 * cfg80211 structure. If a driver can't pass the
17617 * SSID, that needs to be changed. A zero length SSID
17618 * is still a valid SSID (wildcard), so it cannot be
17619 * used for this purpose.
17621 if (nla_put(msg, NL80211_ATTR_SSID, match->ssid.ssid_len,
17622 match->ssid.ssid)) {
17623 nla_nest_cancel(msg, nl_match);
17627 if (match->n_channels) {
17628 nl_freqs = nla_nest_start_noflag(msg,
17629 NL80211_ATTR_SCAN_FREQUENCIES);
17631 nla_nest_cancel(msg, nl_match);
17635 for (j = 0; j < match->n_channels; j++) {
17636 if (nla_put_u32(msg, j, match->channels[j])) {
17637 nla_nest_cancel(msg, nl_freqs);
17638 nla_nest_cancel(msg, nl_match);
17643 nla_nest_end(msg, nl_freqs);
17646 nla_nest_end(msg, nl_match);
17650 nla_nest_end(msg, nl_results);
17654 void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev,
17655 struct cfg80211_wowlan_wakeup *wakeup,
17658 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
17659 struct sk_buff *msg;
17663 trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup);
17666 size += wakeup->packet_present_len;
17668 msg = nlmsg_new(size, gfp);
17672 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN);
17676 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17677 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
17681 if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
17682 wdev->netdev->ifindex))
17686 struct nlattr *reasons;
17688 reasons = nla_nest_start_noflag(msg,
17689 NL80211_ATTR_WOWLAN_TRIGGERS);
17693 if (wakeup->disconnect &&
17694 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT))
17696 if (wakeup->magic_pkt &&
17697 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT))
17699 if (wakeup->gtk_rekey_failure &&
17700 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE))
17702 if (wakeup->eap_identity_req &&
17703 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST))
17705 if (wakeup->four_way_handshake &&
17706 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE))
17708 if (wakeup->rfkill_release &&
17709 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))
17712 if (wakeup->pattern_idx >= 0 &&
17713 nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
17714 wakeup->pattern_idx))
17717 if (wakeup->tcp_match &&
17718 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH))
17721 if (wakeup->tcp_connlost &&
17722 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST))
17725 if (wakeup->tcp_nomoretokens &&
17727 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS))
17730 if (wakeup->packet) {
17731 u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211;
17732 u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN;
17734 if (!wakeup->packet_80211) {
17736 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023;
17738 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN;
17741 if (wakeup->packet_len &&
17742 nla_put_u32(msg, len_attr, wakeup->packet_len))
17745 if (nla_put(msg, pkt_attr, wakeup->packet_present_len,
17750 if (wakeup->net_detect &&
17751 cfg80211_net_detect_results(msg, wakeup))
17754 nla_nest_end(msg, reasons);
17757 genlmsg_end(msg, hdr);
17759 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17760 NL80211_MCGRP_MLME, gfp);
17766 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup);
17769 void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer,
17770 enum nl80211_tdls_operation oper,
17771 u16 reason_code, gfp_t gfp)
17773 struct wireless_dev *wdev = dev->ieee80211_ptr;
17774 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
17775 struct sk_buff *msg;
17778 trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper,
17781 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17785 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER);
17791 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17792 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
17793 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) ||
17794 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) ||
17795 (reason_code > 0 &&
17796 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code)))
17797 goto nla_put_failure;
17799 genlmsg_end(msg, hdr);
17801 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17802 NL80211_MCGRP_MLME, gfp);
17808 EXPORT_SYMBOL(cfg80211_tdls_oper_request);
17810 static int nl80211_netlink_notify(struct notifier_block * nb,
17811 unsigned long state,
17814 struct netlink_notify *notify = _notify;
17815 struct cfg80211_registered_device *rdev;
17816 struct wireless_dev *wdev;
17817 struct cfg80211_beacon_registration *reg, *tmp;
17819 if (state != NETLINK_URELEASE || notify->protocol != NETLINK_GENERIC)
17820 return NOTIFY_DONE;
17824 list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) {
17825 struct cfg80211_sched_scan_request *sched_scan_req;
17827 list_for_each_entry_rcu(sched_scan_req,
17828 &rdev->sched_scan_req_list,
17830 if (sched_scan_req->owner_nlportid == notify->portid) {
17831 sched_scan_req->nl_owner_dead = true;
17832 schedule_work(&rdev->sched_scan_stop_wk);
17836 list_for_each_entry_rcu(wdev, &rdev->wiphy.wdev_list, list) {
17837 cfg80211_mlme_unregister_socket(wdev, notify->portid);
17839 if (wdev->owner_nlportid == notify->portid) {
17840 wdev->nl_owner_dead = true;
17841 schedule_work(&rdev->destroy_work);
17842 } else if (wdev->conn_owner_nlportid == notify->portid) {
17843 schedule_work(&wdev->disconnect_wk);
17846 cfg80211_release_pmsr(wdev, notify->portid);
17849 spin_lock_bh(&rdev->beacon_registrations_lock);
17850 list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations,
17852 if (reg->nlportid == notify->portid) {
17853 list_del(®->list);
17858 spin_unlock_bh(&rdev->beacon_registrations_lock);
17864 * It is possible that the user space process that is controlling the
17865 * indoor setting disappeared, so notify the regulatory core.
17867 regulatory_netlink_notify(notify->portid);
17871 static struct notifier_block nl80211_netlink_notifier = {
17872 .notifier_call = nl80211_netlink_notify,
17875 void cfg80211_ft_event(struct net_device *netdev,
17876 struct cfg80211_ft_event_params *ft_event)
17878 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
17879 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17880 struct sk_buff *msg;
17883 trace_cfg80211_ft_event(wiphy, netdev, ft_event);
17885 if (!ft_event->target_ap)
17888 msg = nlmsg_new(100 + ft_event->ies_len + ft_event->ric_ies_len,
17893 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT);
17897 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17898 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
17899 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap))
17902 if (ft_event->ies &&
17903 nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies))
17905 if (ft_event->ric_ies &&
17906 nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len,
17907 ft_event->ric_ies))
17910 genlmsg_end(msg, hdr);
17912 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17913 NL80211_MCGRP_MLME, GFP_KERNEL);
17918 EXPORT_SYMBOL(cfg80211_ft_event);
17920 void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp)
17922 struct cfg80211_registered_device *rdev;
17923 struct sk_buff *msg;
17927 rdev = wiphy_to_rdev(wdev->wiphy);
17928 if (!rdev->crit_proto_nlportid)
17931 nlportid = rdev->crit_proto_nlportid;
17932 rdev->crit_proto_nlportid = 0;
17934 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17938 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP);
17940 goto nla_put_failure;
17942 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17943 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
17945 goto nla_put_failure;
17947 genlmsg_end(msg, hdr);
17949 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
17955 EXPORT_SYMBOL(cfg80211_crit_proto_stopped);
17957 void nl80211_send_ap_stopped(struct wireless_dev *wdev)
17959 struct wiphy *wiphy = wdev->wiphy;
17960 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17961 struct sk_buff *msg;
17964 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
17968 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STOP_AP);
17972 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17973 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex) ||
17974 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
17978 genlmsg_end(msg, hdr);
17980 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(wiphy), msg, 0,
17981 NL80211_MCGRP_MLME, GFP_KERNEL);
17987 int cfg80211_external_auth_request(struct net_device *dev,
17988 struct cfg80211_external_auth_params *params,
17991 struct wireless_dev *wdev = dev->ieee80211_ptr;
17992 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
17993 struct sk_buff *msg;
17996 if (!wdev->conn_owner_nlportid)
17999 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
18003 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_EXTERNAL_AUTH);
18005 goto nla_put_failure;
18007 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18008 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
18009 nla_put_u32(msg, NL80211_ATTR_AKM_SUITES, params->key_mgmt_suite) ||
18010 nla_put_u32(msg, NL80211_ATTR_EXTERNAL_AUTH_ACTION,
18012 nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, params->bssid) ||
18013 nla_put(msg, NL80211_ATTR_SSID, params->ssid.ssid_len,
18014 params->ssid.ssid))
18015 goto nla_put_failure;
18017 genlmsg_end(msg, hdr);
18018 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
18019 wdev->conn_owner_nlportid);
18026 EXPORT_SYMBOL(cfg80211_external_auth_request);
18028 void cfg80211_update_owe_info_event(struct net_device *netdev,
18029 struct cfg80211_update_owe_info *owe_info,
18032 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
18033 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18034 struct sk_buff *msg;
18037 trace_cfg80211_update_owe_info_event(wiphy, netdev, owe_info);
18039 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
18043 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_UPDATE_OWE_INFO);
18045 goto nla_put_failure;
18047 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18048 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
18049 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, owe_info->peer))
18050 goto nla_put_failure;
18052 if (!owe_info->ie_len ||
18053 nla_put(msg, NL80211_ATTR_IE, owe_info->ie_len, owe_info->ie))
18054 goto nla_put_failure;
18056 genlmsg_end(msg, hdr);
18058 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18059 NL80211_MCGRP_MLME, gfp);
18063 genlmsg_cancel(msg, hdr);
18066 EXPORT_SYMBOL(cfg80211_update_owe_info_event);
18068 /* initialisation/exit functions */
18070 int __init nl80211_init(void)
18074 err = genl_register_family(&nl80211_fam);
18078 err = netlink_register_notifier(&nl80211_netlink_notifier);
18084 genl_unregister_family(&nl80211_fam);
18088 void nl80211_exit(void)
18090 netlink_unregister_notifier(&nl80211_netlink_notifier);
18091 genl_unregister_family(&nl80211_fam);