1 // SPDX-License-Identifier: GPL-2.0-only
3 * This is the new netlink-based wireless configuration interface.
5 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
6 * Copyright 2013-2014 Intel Mobile Communications GmbH
7 * Copyright 2015-2017 Intel Deutschland GmbH
8 * Copyright (C) 2018-2021 Intel Corporation
12 #include <linux/module.h>
13 #include <linux/err.h>
14 #include <linux/slab.h>
15 #include <linux/list.h>
16 #include <linux/if_ether.h>
17 #include <linux/ieee80211.h>
18 #include <linux/nl80211.h>
19 #include <linux/rtnetlink.h>
20 #include <linux/netlink.h>
21 #include <linux/nospec.h>
22 #include <linux/etherdevice.h>
23 #include <linux/if_vlan.h>
24 #include <net/net_namespace.h>
25 #include <net/genetlink.h>
26 #include <net/cfg80211.h>
28 #include <net/inet_connection_sock.h>
34 static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
35 struct genl_info *info,
36 struct cfg80211_crypto_settings *settings,
39 /* the netlink family */
40 static struct genl_family nl80211_fam;
42 /* multicast groups */
43 enum nl80211_multicast_groups {
46 NL80211_MCGRP_REGULATORY,
50 NL80211_MCGRP_TESTMODE /* keep last - ifdef! */
53 static const struct genl_multicast_group nl80211_mcgrps[] = {
54 [NL80211_MCGRP_CONFIG] = { .name = NL80211_MULTICAST_GROUP_CONFIG },
55 [NL80211_MCGRP_SCAN] = { .name = NL80211_MULTICAST_GROUP_SCAN },
56 [NL80211_MCGRP_REGULATORY] = { .name = NL80211_MULTICAST_GROUP_REG },
57 [NL80211_MCGRP_MLME] = { .name = NL80211_MULTICAST_GROUP_MLME },
58 [NL80211_MCGRP_VENDOR] = { .name = NL80211_MULTICAST_GROUP_VENDOR },
59 [NL80211_MCGRP_NAN] = { .name = NL80211_MULTICAST_GROUP_NAN },
60 #ifdef CONFIG_NL80211_TESTMODE
61 [NL80211_MCGRP_TESTMODE] = { .name = NL80211_MULTICAST_GROUP_TESTMODE }
65 /* returns ERR_PTR values */
66 static struct wireless_dev *
67 __cfg80211_wdev_from_attrs(struct 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 unsigned int fixedlen, hdrlen;
235 if (len < offsetofend(typeof(*mgmt), frame_control))
238 s1g_bcn = ieee80211_is_s1g_beacon(mgmt->frame_control);
240 fixedlen = offsetof(struct ieee80211_ext,
241 u.s1g_beacon.variable);
242 hdrlen = offsetof(struct ieee80211_ext, u.s1g_beacon);
244 fixedlen = offsetof(struct ieee80211_mgmt,
246 hdrlen = offsetof(struct ieee80211_mgmt, u.beacon);
252 if (ieee80211_hdrlen(mgmt->frame_control) != hdrlen)
258 for_each_element(elem, data, len) {
262 if (for_each_element_completed(elem, data, len))
266 NL_SET_ERR_MSG_ATTR(extack, attr, "malformed beacon head");
270 static int validate_ie_attr(const struct nlattr *attr,
271 struct netlink_ext_ack *extack)
273 const u8 *data = nla_data(attr);
274 unsigned int len = nla_len(attr);
275 const struct element *elem;
277 for_each_element(elem, data, len) {
281 if (for_each_element_completed(elem, data, len))
284 NL_SET_ERR_MSG_ATTR(extack, attr, "malformed information elements");
288 /* policy for the attributes */
289 static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR];
291 static const struct nla_policy
292 nl80211_ftm_responder_policy[NL80211_FTM_RESP_ATTR_MAX + 1] = {
293 [NL80211_FTM_RESP_ATTR_ENABLED] = { .type = NLA_FLAG, },
294 [NL80211_FTM_RESP_ATTR_LCI] = { .type = NLA_BINARY,
296 [NL80211_FTM_RESP_ATTR_CIVICLOC] = { .type = NLA_BINARY,
300 static const struct nla_policy
301 nl80211_pmsr_ftm_req_attr_policy[NL80211_PMSR_FTM_REQ_ATTR_MAX + 1] = {
302 [NL80211_PMSR_FTM_REQ_ATTR_ASAP] = { .type = NLA_FLAG },
303 [NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE] = { .type = NLA_U32 },
304 [NL80211_PMSR_FTM_REQ_ATTR_NUM_BURSTS_EXP] =
305 NLA_POLICY_MAX(NLA_U8, 15),
306 [NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD] = { .type = NLA_U16 },
307 [NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION] =
308 NLA_POLICY_MAX(NLA_U8, 15),
309 [NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST] =
310 NLA_POLICY_MAX(NLA_U8, 31),
311 [NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES] = { .type = NLA_U8 },
312 [NL80211_PMSR_FTM_REQ_ATTR_REQUEST_LCI] = { .type = NLA_FLAG },
313 [NL80211_PMSR_FTM_REQ_ATTR_REQUEST_CIVICLOC] = { .type = NLA_FLAG },
314 [NL80211_PMSR_FTM_REQ_ATTR_TRIGGER_BASED] = { .type = NLA_FLAG },
315 [NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED] = { .type = NLA_FLAG },
318 static const struct nla_policy
319 nl80211_pmsr_req_data_policy[NL80211_PMSR_TYPE_MAX + 1] = {
320 [NL80211_PMSR_TYPE_FTM] =
321 NLA_POLICY_NESTED(nl80211_pmsr_ftm_req_attr_policy),
324 static const struct nla_policy
325 nl80211_pmsr_req_attr_policy[NL80211_PMSR_REQ_ATTR_MAX + 1] = {
326 [NL80211_PMSR_REQ_ATTR_DATA] =
327 NLA_POLICY_NESTED(nl80211_pmsr_req_data_policy),
328 [NL80211_PMSR_REQ_ATTR_GET_AP_TSF] = { .type = NLA_FLAG },
331 static const struct nla_policy
332 nl80211_psmr_peer_attr_policy[NL80211_PMSR_PEER_ATTR_MAX + 1] = {
333 [NL80211_PMSR_PEER_ATTR_ADDR] = NLA_POLICY_ETH_ADDR,
334 [NL80211_PMSR_PEER_ATTR_CHAN] = NLA_POLICY_NESTED(nl80211_policy),
335 [NL80211_PMSR_PEER_ATTR_REQ] =
336 NLA_POLICY_NESTED(nl80211_pmsr_req_attr_policy),
337 [NL80211_PMSR_PEER_ATTR_RESP] = { .type = NLA_REJECT },
340 static const struct nla_policy
341 nl80211_pmsr_attr_policy[NL80211_PMSR_ATTR_MAX + 1] = {
342 [NL80211_PMSR_ATTR_MAX_PEERS] = { .type = NLA_REJECT },
343 [NL80211_PMSR_ATTR_REPORT_AP_TSF] = { .type = NLA_REJECT },
344 [NL80211_PMSR_ATTR_RANDOMIZE_MAC_ADDR] = { .type = NLA_REJECT },
345 [NL80211_PMSR_ATTR_TYPE_CAPA] = { .type = NLA_REJECT },
346 [NL80211_PMSR_ATTR_PEERS] =
347 NLA_POLICY_NESTED_ARRAY(nl80211_psmr_peer_attr_policy),
350 static const struct nla_policy
351 he_obss_pd_policy[NL80211_HE_OBSS_PD_ATTR_MAX + 1] = {
352 [NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET] =
353 NLA_POLICY_RANGE(NLA_U8, 1, 20),
354 [NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET] =
355 NLA_POLICY_RANGE(NLA_U8, 1, 20),
356 [NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET] =
357 NLA_POLICY_RANGE(NLA_U8, 1, 20),
358 [NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP] =
359 NLA_POLICY_EXACT_LEN(8),
360 [NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP] =
361 NLA_POLICY_EXACT_LEN(8),
362 [NL80211_HE_OBSS_PD_ATTR_SR_CTRL] = { .type = NLA_U8 },
365 static const struct nla_policy
366 he_bss_color_policy[NL80211_HE_BSS_COLOR_ATTR_MAX + 1] = {
367 [NL80211_HE_BSS_COLOR_ATTR_COLOR] = NLA_POLICY_RANGE(NLA_U8, 1, 63),
368 [NL80211_HE_BSS_COLOR_ATTR_DISABLED] = { .type = NLA_FLAG },
369 [NL80211_HE_BSS_COLOR_ATTR_PARTIAL] = { .type = NLA_FLAG },
372 static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = {
373 [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY,
374 .len = NL80211_MAX_SUPP_RATES },
375 [NL80211_TXRATE_HT] = { .type = NLA_BINARY,
376 .len = NL80211_MAX_SUPP_HT_RATES },
377 [NL80211_TXRATE_VHT] = NLA_POLICY_EXACT_LEN_WARN(sizeof(struct nl80211_txrate_vht)),
378 [NL80211_TXRATE_GI] = { .type = NLA_U8 },
379 [NL80211_TXRATE_HE] = NLA_POLICY_EXACT_LEN(sizeof(struct nl80211_txrate_he)),
380 [NL80211_TXRATE_HE_GI] = NLA_POLICY_RANGE(NLA_U8,
381 NL80211_RATE_INFO_HE_GI_0_8,
382 NL80211_RATE_INFO_HE_GI_3_2),
383 [NL80211_TXRATE_HE_LTF] = NLA_POLICY_RANGE(NLA_U8,
384 NL80211_RATE_INFO_HE_1XLTF,
385 NL80211_RATE_INFO_HE_4XLTF),
388 static const struct nla_policy
389 nl80211_tid_config_attr_policy[NL80211_TID_CONFIG_ATTR_MAX + 1] = {
390 [NL80211_TID_CONFIG_ATTR_VIF_SUPP] = { .type = NLA_U64 },
391 [NL80211_TID_CONFIG_ATTR_PEER_SUPP] = { .type = NLA_U64 },
392 [NL80211_TID_CONFIG_ATTR_OVERRIDE] = { .type = NLA_FLAG },
393 [NL80211_TID_CONFIG_ATTR_TIDS] = NLA_POLICY_RANGE(NLA_U16, 1, 0xff),
394 [NL80211_TID_CONFIG_ATTR_NOACK] =
395 NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE),
396 [NL80211_TID_CONFIG_ATTR_RETRY_SHORT] = NLA_POLICY_MIN(NLA_U8, 1),
397 [NL80211_TID_CONFIG_ATTR_RETRY_LONG] = NLA_POLICY_MIN(NLA_U8, 1),
398 [NL80211_TID_CONFIG_ATTR_AMPDU_CTRL] =
399 NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE),
400 [NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL] =
401 NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE),
402 [NL80211_TID_CONFIG_ATTR_AMSDU_CTRL] =
403 NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE),
404 [NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE] =
405 NLA_POLICY_MAX(NLA_U8, NL80211_TX_RATE_FIXED),
406 [NL80211_TID_CONFIG_ATTR_TX_RATE] =
407 NLA_POLICY_NESTED(nl80211_txattr_policy),
410 static const struct nla_policy
411 nl80211_fils_discovery_policy[NL80211_FILS_DISCOVERY_ATTR_MAX + 1] = {
412 [NL80211_FILS_DISCOVERY_ATTR_INT_MIN] = NLA_POLICY_MAX(NLA_U32, 10000),
413 [NL80211_FILS_DISCOVERY_ATTR_INT_MAX] = NLA_POLICY_MAX(NLA_U32, 10000),
414 NLA_POLICY_RANGE(NLA_BINARY,
415 NL80211_FILS_DISCOVERY_TMPL_MIN_LEN,
416 IEEE80211_MAX_DATA_LEN),
419 static const struct nla_policy
420 nl80211_unsol_bcast_probe_resp_policy[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_MAX + 1] = {
421 [NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT] = NLA_POLICY_MAX(NLA_U32, 20),
422 [NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL] = { .type = NLA_BINARY,
423 .len = IEEE80211_MAX_DATA_LEN }
426 static const struct nla_policy
427 sar_specs_policy[NL80211_SAR_ATTR_SPECS_MAX + 1] = {
428 [NL80211_SAR_ATTR_SPECS_POWER] = { .type = NLA_S32 },
429 [NL80211_SAR_ATTR_SPECS_RANGE_INDEX] = {.type = NLA_U32 },
432 static const struct nla_policy
433 sar_policy[NL80211_SAR_ATTR_MAX + 1] = {
434 [NL80211_SAR_ATTR_TYPE] = NLA_POLICY_MAX(NLA_U32, NUM_NL80211_SAR_TYPE),
435 [NL80211_SAR_ATTR_SPECS] = NLA_POLICY_NESTED_ARRAY(sar_specs_policy),
438 static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
439 [0] = { .strict_start_type = NL80211_ATTR_HE_OBSS_PD },
440 [NL80211_ATTR_WIPHY] = { .type = NLA_U32 },
441 [NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING,
443 [NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED },
445 [NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 },
446 [NL80211_ATTR_WIPHY_CHANNEL_TYPE] = { .type = NLA_U32 },
447 [NL80211_ATTR_WIPHY_EDMG_CHANNELS] = NLA_POLICY_RANGE(NLA_U8,
448 NL80211_EDMG_CHANNELS_MIN,
449 NL80211_EDMG_CHANNELS_MAX),
450 [NL80211_ATTR_WIPHY_EDMG_BW_CONFIG] = NLA_POLICY_RANGE(NLA_U8,
451 NL80211_EDMG_BW_CONFIG_MIN,
452 NL80211_EDMG_BW_CONFIG_MAX),
454 [NL80211_ATTR_CHANNEL_WIDTH] = { .type = NLA_U32 },
455 [NL80211_ATTR_CENTER_FREQ1] = { .type = NLA_U32 },
456 [NL80211_ATTR_CENTER_FREQ1_OFFSET] = NLA_POLICY_RANGE(NLA_U32, 0, 999),
457 [NL80211_ATTR_CENTER_FREQ2] = { .type = NLA_U32 },
459 [NL80211_ATTR_WIPHY_RETRY_SHORT] = NLA_POLICY_MIN(NLA_U8, 1),
460 [NL80211_ATTR_WIPHY_RETRY_LONG] = NLA_POLICY_MIN(NLA_U8, 1),
461 [NL80211_ATTR_WIPHY_FRAG_THRESHOLD] = { .type = NLA_U32 },
462 [NL80211_ATTR_WIPHY_RTS_THRESHOLD] = { .type = NLA_U32 },
463 [NL80211_ATTR_WIPHY_COVERAGE_CLASS] = { .type = NLA_U8 },
464 [NL80211_ATTR_WIPHY_DYN_ACK] = { .type = NLA_FLAG },
466 [NL80211_ATTR_IFTYPE] = NLA_POLICY_MAX(NLA_U32, NL80211_IFTYPE_MAX),
467 [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 },
468 [NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 },
470 [NL80211_ATTR_MAC] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
471 [NL80211_ATTR_PREV_BSSID] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
473 [NL80211_ATTR_KEY] = { .type = NLA_NESTED, },
474 [NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY,
475 .len = WLAN_MAX_KEY_LEN },
476 [NL80211_ATTR_KEY_IDX] = NLA_POLICY_MAX(NLA_U8, 7),
477 [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 },
478 [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG },
479 [NL80211_ATTR_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
480 [NL80211_ATTR_KEY_TYPE] =
481 NLA_POLICY_MAX(NLA_U32, NUM_NL80211_KEYTYPES),
483 [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 },
484 [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 },
485 [NL80211_ATTR_BEACON_HEAD] =
486 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_beacon_head,
487 IEEE80211_MAX_DATA_LEN),
488 [NL80211_ATTR_BEACON_TAIL] =
489 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
490 IEEE80211_MAX_DATA_LEN),
491 [NL80211_ATTR_STA_AID] =
492 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
493 [NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED },
494 [NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 },
495 [NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY,
496 .len = NL80211_MAX_SUPP_RATES },
497 [NL80211_ATTR_STA_PLINK_ACTION] =
498 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_PLINK_ACTIONS - 1),
499 [NL80211_ATTR_STA_TX_POWER_SETTING] =
500 NLA_POLICY_RANGE(NLA_U8,
501 NL80211_TX_POWER_AUTOMATIC,
502 NL80211_TX_POWER_FIXED),
503 [NL80211_ATTR_STA_TX_POWER] = { .type = NLA_S16 },
504 [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 },
505 [NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ },
506 [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY,
507 .len = IEEE80211_MAX_MESH_ID_LEN },
508 [NL80211_ATTR_MPATH_NEXT_HOP] = NLA_POLICY_ETH_ADDR_COMPAT,
510 [NL80211_ATTR_REG_ALPHA2] = { .type = NLA_STRING, .len = 2 },
511 [NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED },
513 [NL80211_ATTR_BSS_CTS_PROT] = { .type = NLA_U8 },
514 [NL80211_ATTR_BSS_SHORT_PREAMBLE] = { .type = NLA_U8 },
515 [NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 },
516 [NL80211_ATTR_BSS_BASIC_RATES] = { .type = NLA_BINARY,
517 .len = NL80211_MAX_SUPP_RATES },
518 [NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 },
520 [NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED },
521 [NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG },
523 [NL80211_ATTR_HT_CAPABILITY] = NLA_POLICY_EXACT_LEN_WARN(NL80211_HT_CAPABILITY_LEN),
525 [NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 },
526 [NL80211_ATTR_IE] = NLA_POLICY_VALIDATE_FN(NLA_BINARY,
528 IEEE80211_MAX_DATA_LEN),
529 [NL80211_ATTR_SCAN_FREQUENCIES] = { .type = NLA_NESTED },
530 [NL80211_ATTR_SCAN_SSIDS] = { .type = NLA_NESTED },
532 [NL80211_ATTR_SSID] = { .type = NLA_BINARY,
533 .len = IEEE80211_MAX_SSID_LEN },
534 [NL80211_ATTR_AUTH_TYPE] = { .type = NLA_U32 },
535 [NL80211_ATTR_REASON_CODE] = { .type = NLA_U16 },
536 [NL80211_ATTR_FREQ_FIXED] = { .type = NLA_FLAG },
537 [NL80211_ATTR_TIMED_OUT] = { .type = NLA_FLAG },
538 [NL80211_ATTR_USE_MFP] = NLA_POLICY_RANGE(NLA_U32,
540 NL80211_MFP_OPTIONAL),
541 [NL80211_ATTR_STA_FLAGS2] = {
542 .len = sizeof(struct nl80211_sta_flag_update),
544 [NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG },
545 [NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 },
546 [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG },
547 [NL80211_ATTR_CONTROL_PORT_OVER_NL80211] = { .type = NLA_FLAG },
548 [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG },
549 [NL80211_ATTR_STATUS_CODE] = { .type = NLA_U16 },
550 [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 },
551 [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 },
552 [NL80211_ATTR_PID] = { .type = NLA_U32 },
553 [NL80211_ATTR_4ADDR] = { .type = NLA_U8 },
554 [NL80211_ATTR_PMKID] = NLA_POLICY_EXACT_LEN_WARN(WLAN_PMKID_LEN),
555 [NL80211_ATTR_DURATION] = { .type = NLA_U32 },
556 [NL80211_ATTR_COOKIE] = { .type = NLA_U64 },
557 [NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED },
558 [NL80211_ATTR_FRAME] = { .type = NLA_BINARY,
559 .len = IEEE80211_MAX_DATA_LEN },
560 [NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, },
561 [NL80211_ATTR_PS_STATE] = NLA_POLICY_RANGE(NLA_U32,
564 [NL80211_ATTR_CQM] = { .type = NLA_NESTED, },
565 [NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG },
566 [NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 },
567 [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 },
568 [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 },
569 [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 },
570 [NL80211_ATTR_WIPHY_ANTENNA_TX] = { .type = NLA_U32 },
571 [NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 },
572 [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 },
573 [NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG },
574 [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
575 [NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED },
576 [NL80211_ATTR_STA_PLINK_STATE] =
577 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_PLINK_STATES - 1),
578 [NL80211_ATTR_MEASUREMENT_DURATION] = { .type = NLA_U16 },
579 [NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY] = { .type = NLA_FLAG },
580 [NL80211_ATTR_MESH_PEER_AID] =
581 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
582 [NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 },
583 [NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED },
584 [NL80211_ATTR_SCAN_SUPP_RATES] = { .type = NLA_NESTED },
585 [NL80211_ATTR_HIDDEN_SSID] =
586 NLA_POLICY_RANGE(NLA_U32,
587 NL80211_HIDDEN_SSID_NOT_IN_USE,
588 NL80211_HIDDEN_SSID_ZERO_CONTENTS),
589 [NL80211_ATTR_IE_PROBE_RESP] =
590 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
591 IEEE80211_MAX_DATA_LEN),
592 [NL80211_ATTR_IE_ASSOC_RESP] =
593 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
594 IEEE80211_MAX_DATA_LEN),
595 [NL80211_ATTR_ROAM_SUPPORT] = { .type = NLA_FLAG },
596 [NL80211_ATTR_SCHED_SCAN_MATCH] = { .type = NLA_NESTED },
597 [NL80211_ATTR_TX_NO_CCK_RATE] = { .type = NLA_FLAG },
598 [NL80211_ATTR_TDLS_ACTION] = { .type = NLA_U8 },
599 [NL80211_ATTR_TDLS_DIALOG_TOKEN] = { .type = NLA_U8 },
600 [NL80211_ATTR_TDLS_OPERATION] = { .type = NLA_U8 },
601 [NL80211_ATTR_TDLS_SUPPORT] = { .type = NLA_FLAG },
602 [NL80211_ATTR_TDLS_EXTERNAL_SETUP] = { .type = NLA_FLAG },
603 [NL80211_ATTR_TDLS_INITIATOR] = { .type = NLA_FLAG },
604 [NL80211_ATTR_DONT_WAIT_FOR_ACK] = { .type = NLA_FLAG },
605 [NL80211_ATTR_PROBE_RESP] = { .type = NLA_BINARY,
606 .len = IEEE80211_MAX_DATA_LEN },
607 [NL80211_ATTR_DFS_REGION] = { .type = NLA_U8 },
608 [NL80211_ATTR_DISABLE_HT] = { .type = NLA_FLAG },
609 [NL80211_ATTR_HT_CAPABILITY_MASK] = {
610 .len = NL80211_HT_CAPABILITY_LEN
612 [NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 },
613 [NL80211_ATTR_INACTIVITY_TIMEOUT] = { .type = NLA_U16 },
614 [NL80211_ATTR_BG_SCAN_PERIOD] = { .type = NLA_U16 },
615 [NL80211_ATTR_WDEV] = { .type = NLA_U64 },
616 [NL80211_ATTR_USER_REG_HINT_TYPE] = { .type = NLA_U32 },
618 /* need to include at least Auth Transaction and Status Code */
619 [NL80211_ATTR_AUTH_DATA] = NLA_POLICY_MIN_LEN(4),
621 [NL80211_ATTR_VHT_CAPABILITY] = NLA_POLICY_EXACT_LEN_WARN(NL80211_VHT_CAPABILITY_LEN),
622 [NL80211_ATTR_SCAN_FLAGS] = { .type = NLA_U32 },
623 [NL80211_ATTR_P2P_CTWINDOW] = NLA_POLICY_MAX(NLA_U8, 127),
624 [NL80211_ATTR_P2P_OPPPS] = NLA_POLICY_MAX(NLA_U8, 1),
625 [NL80211_ATTR_LOCAL_MESH_POWER_MODE] =
626 NLA_POLICY_RANGE(NLA_U32,
627 NL80211_MESH_POWER_UNKNOWN + 1,
628 NL80211_MESH_POWER_MAX),
629 [NL80211_ATTR_ACL_POLICY] = {. type = NLA_U32 },
630 [NL80211_ATTR_MAC_ADDRS] = { .type = NLA_NESTED },
631 [NL80211_ATTR_STA_CAPABILITY] = { .type = NLA_U16 },
632 [NL80211_ATTR_STA_EXT_CAPABILITY] = { .type = NLA_BINARY, },
633 [NL80211_ATTR_SPLIT_WIPHY_DUMP] = { .type = NLA_FLAG, },
634 [NL80211_ATTR_DISABLE_VHT] = { .type = NLA_FLAG },
635 [NL80211_ATTR_VHT_CAPABILITY_MASK] = {
636 .len = NL80211_VHT_CAPABILITY_LEN,
638 [NL80211_ATTR_MDID] = { .type = NLA_U16 },
639 [NL80211_ATTR_IE_RIC] = { .type = NLA_BINARY,
640 .len = IEEE80211_MAX_DATA_LEN },
641 [NL80211_ATTR_CRIT_PROT_ID] = { .type = NLA_U16 },
642 [NL80211_ATTR_MAX_CRIT_PROT_DURATION] =
643 NLA_POLICY_MAX(NLA_U16, NL80211_CRIT_PROTO_MAX_DURATION),
644 [NL80211_ATTR_PEER_AID] =
645 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
646 [NL80211_ATTR_CH_SWITCH_COUNT] = { .type = NLA_U32 },
647 [NL80211_ATTR_CH_SWITCH_BLOCK_TX] = { .type = NLA_FLAG },
648 [NL80211_ATTR_CSA_IES] = { .type = NLA_NESTED },
649 [NL80211_ATTR_CNTDWN_OFFS_BEACON] = { .type = NLA_BINARY },
650 [NL80211_ATTR_CNTDWN_OFFS_PRESP] = { .type = NLA_BINARY },
651 [NL80211_ATTR_STA_SUPPORTED_CHANNELS] = NLA_POLICY_MIN_LEN(2),
653 * The value of the Length field of the Supported Operating
654 * Classes element is between 2 and 253.
656 [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES] =
657 NLA_POLICY_RANGE(NLA_BINARY, 2, 253),
658 [NL80211_ATTR_HANDLE_DFS] = { .type = NLA_FLAG },
659 [NL80211_ATTR_OPMODE_NOTIF] = { .type = NLA_U8 },
660 [NL80211_ATTR_VENDOR_ID] = { .type = NLA_U32 },
661 [NL80211_ATTR_VENDOR_SUBCMD] = { .type = NLA_U32 },
662 [NL80211_ATTR_VENDOR_DATA] = { .type = NLA_BINARY },
663 [NL80211_ATTR_QOS_MAP] = NLA_POLICY_RANGE(NLA_BINARY,
664 IEEE80211_QOS_MAP_LEN_MIN,
665 IEEE80211_QOS_MAP_LEN_MAX),
666 [NL80211_ATTR_MAC_HINT] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
667 [NL80211_ATTR_WIPHY_FREQ_HINT] = { .type = NLA_U32 },
668 [NL80211_ATTR_TDLS_PEER_CAPABILITY] = { .type = NLA_U32 },
669 [NL80211_ATTR_SOCKET_OWNER] = { .type = NLA_FLAG },
670 [NL80211_ATTR_CSA_C_OFFSETS_TX] = { .type = NLA_BINARY },
671 [NL80211_ATTR_USE_RRM] = { .type = NLA_FLAG },
672 [NL80211_ATTR_TSID] = NLA_POLICY_MAX(NLA_U8, IEEE80211_NUM_TIDS - 1),
673 [NL80211_ATTR_USER_PRIO] =
674 NLA_POLICY_MAX(NLA_U8, IEEE80211_NUM_UPS - 1),
675 [NL80211_ATTR_ADMITTED_TIME] = { .type = NLA_U16 },
676 [NL80211_ATTR_SMPS_MODE] = { .type = NLA_U8 },
677 [NL80211_ATTR_OPER_CLASS] = { .type = NLA_U8 },
678 [NL80211_ATTR_MAC_MASK] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
679 [NL80211_ATTR_WIPHY_SELF_MANAGED_REG] = { .type = NLA_FLAG },
680 [NL80211_ATTR_NETNS_FD] = { .type = NLA_U32 },
681 [NL80211_ATTR_SCHED_SCAN_DELAY] = { .type = NLA_U32 },
682 [NL80211_ATTR_REG_INDOOR] = { .type = NLA_FLAG },
683 [NL80211_ATTR_PBSS] = { .type = NLA_FLAG },
684 [NL80211_ATTR_BSS_SELECT] = { .type = NLA_NESTED },
685 [NL80211_ATTR_STA_SUPPORT_P2P_PS] =
686 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_P2P_PS_STATUS - 1),
687 [NL80211_ATTR_MU_MIMO_GROUP_DATA] = {
688 .len = VHT_MUMIMO_GROUPS_DATA_LEN
690 [NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
691 [NL80211_ATTR_NAN_MASTER_PREF] = NLA_POLICY_MIN(NLA_U8, 1),
692 [NL80211_ATTR_BANDS] = { .type = NLA_U32 },
693 [NL80211_ATTR_NAN_FUNC] = { .type = NLA_NESTED },
694 [NL80211_ATTR_FILS_KEK] = { .type = NLA_BINARY,
695 .len = FILS_MAX_KEK_LEN },
696 [NL80211_ATTR_FILS_NONCES] = NLA_POLICY_EXACT_LEN_WARN(2 * FILS_NONCE_LEN),
697 [NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED] = { .type = NLA_FLAG, },
698 [NL80211_ATTR_BSSID] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
699 [NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] = { .type = NLA_S8 },
700 [NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST] = {
701 .len = sizeof(struct nl80211_bss_select_rssi_adjust)
703 [NL80211_ATTR_TIMEOUT_REASON] = { .type = NLA_U32 },
704 [NL80211_ATTR_FILS_ERP_USERNAME] = { .type = NLA_BINARY,
705 .len = FILS_ERP_MAX_USERNAME_LEN },
706 [NL80211_ATTR_FILS_ERP_REALM] = { .type = NLA_BINARY,
707 .len = FILS_ERP_MAX_REALM_LEN },
708 [NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] = { .type = NLA_U16 },
709 [NL80211_ATTR_FILS_ERP_RRK] = { .type = NLA_BINARY,
710 .len = FILS_ERP_MAX_RRK_LEN },
711 [NL80211_ATTR_FILS_CACHE_ID] = NLA_POLICY_EXACT_LEN_WARN(2),
712 [NL80211_ATTR_PMK] = { .type = NLA_BINARY, .len = PMK_MAX_LEN },
713 [NL80211_ATTR_PMKR0_NAME] = NLA_POLICY_EXACT_LEN(WLAN_PMK_NAME_LEN),
714 [NL80211_ATTR_SCHED_SCAN_MULTI] = { .type = NLA_FLAG },
715 [NL80211_ATTR_EXTERNAL_AUTH_SUPPORT] = { .type = NLA_FLAG },
717 [NL80211_ATTR_TXQ_LIMIT] = { .type = NLA_U32 },
718 [NL80211_ATTR_TXQ_MEMORY_LIMIT] = { .type = NLA_U32 },
719 [NL80211_ATTR_TXQ_QUANTUM] = { .type = NLA_U32 },
720 [NL80211_ATTR_HE_CAPABILITY] =
721 NLA_POLICY_RANGE(NLA_BINARY,
722 NL80211_HE_MIN_CAPABILITY_LEN,
723 NL80211_HE_MAX_CAPABILITY_LEN),
724 [NL80211_ATTR_FTM_RESPONDER] =
725 NLA_POLICY_NESTED(nl80211_ftm_responder_policy),
726 [NL80211_ATTR_TIMEOUT] = NLA_POLICY_MIN(NLA_U32, 1),
727 [NL80211_ATTR_PEER_MEASUREMENTS] =
728 NLA_POLICY_NESTED(nl80211_pmsr_attr_policy),
729 [NL80211_ATTR_AIRTIME_WEIGHT] = NLA_POLICY_MIN(NLA_U16, 1),
730 [NL80211_ATTR_SAE_PASSWORD] = { .type = NLA_BINARY,
731 .len = SAE_PASSWORD_MAX_LEN },
732 [NL80211_ATTR_TWT_RESPONDER] = { .type = NLA_FLAG },
733 [NL80211_ATTR_HE_OBSS_PD] = NLA_POLICY_NESTED(he_obss_pd_policy),
734 [NL80211_ATTR_VLAN_ID] = NLA_POLICY_RANGE(NLA_U16, 1, VLAN_N_VID - 2),
735 [NL80211_ATTR_HE_BSS_COLOR] = NLA_POLICY_NESTED(he_bss_color_policy),
736 [NL80211_ATTR_TID_CONFIG] =
737 NLA_POLICY_NESTED_ARRAY(nl80211_tid_config_attr_policy),
738 [NL80211_ATTR_CONTROL_PORT_NO_PREAUTH] = { .type = NLA_FLAG },
739 [NL80211_ATTR_PMK_LIFETIME] = NLA_POLICY_MIN(NLA_U32, 1),
740 [NL80211_ATTR_PMK_REAUTH_THRESHOLD] = NLA_POLICY_RANGE(NLA_U8, 1, 100),
741 [NL80211_ATTR_RECEIVE_MULTICAST] = { .type = NLA_FLAG },
742 [NL80211_ATTR_WIPHY_FREQ_OFFSET] = NLA_POLICY_RANGE(NLA_U32, 0, 999),
743 [NL80211_ATTR_SCAN_FREQ_KHZ] = { .type = NLA_NESTED },
744 [NL80211_ATTR_HE_6GHZ_CAPABILITY] =
745 NLA_POLICY_EXACT_LEN(sizeof(struct ieee80211_he_6ghz_capa)),
746 [NL80211_ATTR_FILS_DISCOVERY] =
747 NLA_POLICY_NESTED(nl80211_fils_discovery_policy),
748 [NL80211_ATTR_UNSOL_BCAST_PROBE_RESP] =
749 NLA_POLICY_NESTED(nl80211_unsol_bcast_probe_resp_policy),
750 [NL80211_ATTR_S1G_CAPABILITY] =
751 NLA_POLICY_EXACT_LEN(IEEE80211_S1G_CAPABILITY_LEN),
752 [NL80211_ATTR_S1G_CAPABILITY_MASK] =
753 NLA_POLICY_EXACT_LEN(IEEE80211_S1G_CAPABILITY_LEN),
754 [NL80211_ATTR_SAE_PWE] =
755 NLA_POLICY_RANGE(NLA_U8, NL80211_SAE_PWE_HUNT_AND_PECK,
756 NL80211_SAE_PWE_BOTH),
757 [NL80211_ATTR_RECONNECT_REQUESTED] = { .type = NLA_REJECT },
758 [NL80211_ATTR_SAR_SPEC] = NLA_POLICY_NESTED(sar_policy),
759 [NL80211_ATTR_DISABLE_HE] = { .type = NLA_FLAG },
762 /* policy for the key attributes */
763 static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = {
764 [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN },
765 [NL80211_KEY_IDX] = { .type = NLA_U8 },
766 [NL80211_KEY_CIPHER] = { .type = NLA_U32 },
767 [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
768 [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG },
769 [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG },
770 [NL80211_KEY_TYPE] = NLA_POLICY_MAX(NLA_U32, NUM_NL80211_KEYTYPES - 1),
771 [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
772 [NL80211_KEY_MODE] = NLA_POLICY_RANGE(NLA_U8, 0, NL80211_KEY_SET_TX),
775 /* policy for the key default flags */
776 static const struct nla_policy
777 nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = {
778 [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG },
779 [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG },
783 /* policy for WoWLAN attributes */
784 static const struct nla_policy
785 nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = {
786 [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG },
787 [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG },
788 [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG },
789 [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED },
790 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG },
791 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG },
792 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG },
793 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG },
794 [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED },
795 [NL80211_WOWLAN_TRIG_NET_DETECT] = { .type = NLA_NESTED },
798 static const struct nla_policy
799 nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = {
800 [NL80211_WOWLAN_TCP_SRC_IPV4] = { .type = NLA_U32 },
801 [NL80211_WOWLAN_TCP_DST_IPV4] = { .type = NLA_U32 },
802 [NL80211_WOWLAN_TCP_DST_MAC] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
803 [NL80211_WOWLAN_TCP_SRC_PORT] = { .type = NLA_U16 },
804 [NL80211_WOWLAN_TCP_DST_PORT] = { .type = NLA_U16 },
805 [NL80211_WOWLAN_TCP_DATA_PAYLOAD] = NLA_POLICY_MIN_LEN(1),
806 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ] = {
807 .len = sizeof(struct nl80211_wowlan_tcp_data_seq)
809 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN] = {
810 .len = sizeof(struct nl80211_wowlan_tcp_data_token)
812 [NL80211_WOWLAN_TCP_DATA_INTERVAL] = { .type = NLA_U32 },
813 [NL80211_WOWLAN_TCP_WAKE_PAYLOAD] = NLA_POLICY_MIN_LEN(1),
814 [NL80211_WOWLAN_TCP_WAKE_MASK] = NLA_POLICY_MIN_LEN(1),
816 #endif /* CONFIG_PM */
818 /* policy for coalesce rule attributes */
819 static const struct nla_policy
820 nl80211_coalesce_policy[NUM_NL80211_ATTR_COALESCE_RULE] = {
821 [NL80211_ATTR_COALESCE_RULE_DELAY] = { .type = NLA_U32 },
822 [NL80211_ATTR_COALESCE_RULE_CONDITION] =
823 NLA_POLICY_RANGE(NLA_U32,
824 NL80211_COALESCE_CONDITION_MATCH,
825 NL80211_COALESCE_CONDITION_NO_MATCH),
826 [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN] = { .type = NLA_NESTED },
829 /* policy for GTK rekey offload attributes */
830 static const struct nla_policy
831 nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = {
832 [NL80211_REKEY_DATA_KEK] = {
834 .len = NL80211_KEK_EXT_LEN
836 [NL80211_REKEY_DATA_KCK] = {
838 .len = NL80211_KCK_EXT_LEN
840 [NL80211_REKEY_DATA_REPLAY_CTR] = NLA_POLICY_EXACT_LEN(NL80211_REPLAY_CTR_LEN),
841 [NL80211_REKEY_DATA_AKM] = { .type = NLA_U32 },
844 static const struct nla_policy
845 nl80211_match_band_rssi_policy[NUM_NL80211_BANDS] = {
846 [NL80211_BAND_2GHZ] = { .type = NLA_S32 },
847 [NL80211_BAND_5GHZ] = { .type = NLA_S32 },
848 [NL80211_BAND_6GHZ] = { .type = NLA_S32 },
849 [NL80211_BAND_60GHZ] = { .type = NLA_S32 },
852 static const struct nla_policy
853 nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = {
854 [NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY,
855 .len = IEEE80211_MAX_SSID_LEN },
856 [NL80211_SCHED_SCAN_MATCH_ATTR_BSSID] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
857 [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 },
858 [NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI] =
859 NLA_POLICY_NESTED(nl80211_match_band_rssi_policy),
862 static const struct nla_policy
863 nl80211_plan_policy[NL80211_SCHED_SCAN_PLAN_MAX + 1] = {
864 [NL80211_SCHED_SCAN_PLAN_INTERVAL] = { .type = NLA_U32 },
865 [NL80211_SCHED_SCAN_PLAN_ITERATIONS] = { .type = NLA_U32 },
868 static const struct nla_policy
869 nl80211_bss_select_policy[NL80211_BSS_SELECT_ATTR_MAX + 1] = {
870 [NL80211_BSS_SELECT_ATTR_RSSI] = { .type = NLA_FLAG },
871 [NL80211_BSS_SELECT_ATTR_BAND_PREF] = { .type = NLA_U32 },
872 [NL80211_BSS_SELECT_ATTR_RSSI_ADJUST] = {
873 .len = sizeof(struct nl80211_bss_select_rssi_adjust)
877 /* policy for NAN function attributes */
878 static const struct nla_policy
879 nl80211_nan_func_policy[NL80211_NAN_FUNC_ATTR_MAX + 1] = {
880 [NL80211_NAN_FUNC_TYPE] =
881 NLA_POLICY_MAX(NLA_U8, NL80211_NAN_FUNC_MAX_TYPE),
882 [NL80211_NAN_FUNC_SERVICE_ID] = {
883 .len = NL80211_NAN_FUNC_SERVICE_ID_LEN },
884 [NL80211_NAN_FUNC_PUBLISH_TYPE] = { .type = NLA_U8 },
885 [NL80211_NAN_FUNC_PUBLISH_BCAST] = { .type = NLA_FLAG },
886 [NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE] = { .type = NLA_FLAG },
887 [NL80211_NAN_FUNC_FOLLOW_UP_ID] = { .type = NLA_U8 },
888 [NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] = { .type = NLA_U8 },
889 [NL80211_NAN_FUNC_FOLLOW_UP_DEST] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
890 [NL80211_NAN_FUNC_CLOSE_RANGE] = { .type = NLA_FLAG },
891 [NL80211_NAN_FUNC_TTL] = { .type = NLA_U32 },
892 [NL80211_NAN_FUNC_SERVICE_INFO] = { .type = NLA_BINARY,
893 .len = NL80211_NAN_FUNC_SERVICE_SPEC_INFO_MAX_LEN },
894 [NL80211_NAN_FUNC_SRF] = { .type = NLA_NESTED },
895 [NL80211_NAN_FUNC_RX_MATCH_FILTER] = { .type = NLA_NESTED },
896 [NL80211_NAN_FUNC_TX_MATCH_FILTER] = { .type = NLA_NESTED },
897 [NL80211_NAN_FUNC_INSTANCE_ID] = { .type = NLA_U8 },
898 [NL80211_NAN_FUNC_TERM_REASON] = { .type = NLA_U8 },
901 /* policy for Service Response Filter attributes */
902 static const struct nla_policy
903 nl80211_nan_srf_policy[NL80211_NAN_SRF_ATTR_MAX + 1] = {
904 [NL80211_NAN_SRF_INCLUDE] = { .type = NLA_FLAG },
905 [NL80211_NAN_SRF_BF] = { .type = NLA_BINARY,
906 .len = NL80211_NAN_FUNC_SRF_MAX_LEN },
907 [NL80211_NAN_SRF_BF_IDX] = { .type = NLA_U8 },
908 [NL80211_NAN_SRF_MAC_ADDRS] = { .type = NLA_NESTED },
911 /* policy for packet pattern attributes */
912 static const struct nla_policy
913 nl80211_packet_pattern_policy[MAX_NL80211_PKTPAT + 1] = {
914 [NL80211_PKTPAT_MASK] = { .type = NLA_BINARY, },
915 [NL80211_PKTPAT_PATTERN] = { .type = NLA_BINARY, },
916 [NL80211_PKTPAT_OFFSET] = { .type = NLA_U32 },
919 int nl80211_prepare_wdev_dump(struct netlink_callback *cb,
920 struct cfg80211_registered_device **rdev,
921 struct wireless_dev **wdev)
926 struct nlattr **attrbuf;
928 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf),
933 err = nlmsg_parse_deprecated(cb->nlh,
934 GENL_HDRLEN + nl80211_fam.hdrsize,
935 attrbuf, nl80211_fam.maxattr,
936 nl80211_policy, NULL);
943 *wdev = __cfg80211_wdev_from_attrs(NULL, sock_net(cb->skb->sk),
948 return PTR_ERR(*wdev);
950 *rdev = wiphy_to_rdev((*wdev)->wiphy);
951 mutex_lock(&(*rdev)->wiphy.mtx);
953 /* 0 is the first index - add 1 to parse only once */
954 cb->args[0] = (*rdev)->wiphy_idx + 1;
955 cb->args[1] = (*wdev)->identifier;
957 /* subtract the 1 again here */
959 struct wireless_dev *tmp;
962 wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
967 *rdev = wiphy_to_rdev(wiphy);
970 list_for_each_entry(tmp, &(*rdev)->wiphy.wdev_list, list) {
971 if (tmp->identifier == cb->args[1]) {
981 mutex_lock(&(*rdev)->wiphy.mtx);
988 /* message building helper */
989 void *nl80211hdr_put(struct sk_buff *skb, u32 portid, u32 seq,
992 /* since there is no private header just add the generic one */
993 return genlmsg_put(skb, portid, seq, &nl80211_fam, flags, cmd);
996 static int nl80211_msg_put_wmm_rules(struct sk_buff *msg,
997 const struct ieee80211_reg_rule *rule)
1000 struct nlattr *nl_wmm_rules =
1001 nla_nest_start_noflag(msg, NL80211_FREQUENCY_ATTR_WMM);
1004 goto nla_put_failure;
1006 for (j = 0; j < IEEE80211_NUM_ACS; j++) {
1007 struct nlattr *nl_wmm_rule = nla_nest_start_noflag(msg, j);
1010 goto nla_put_failure;
1012 if (nla_put_u16(msg, NL80211_WMMR_CW_MIN,
1013 rule->wmm_rule.client[j].cw_min) ||
1014 nla_put_u16(msg, NL80211_WMMR_CW_MAX,
1015 rule->wmm_rule.client[j].cw_max) ||
1016 nla_put_u8(msg, NL80211_WMMR_AIFSN,
1017 rule->wmm_rule.client[j].aifsn) ||
1018 nla_put_u16(msg, NL80211_WMMR_TXOP,
1019 rule->wmm_rule.client[j].cot))
1020 goto nla_put_failure;
1022 nla_nest_end(msg, nl_wmm_rule);
1024 nla_nest_end(msg, nl_wmm_rules);
1032 static int nl80211_msg_put_channel(struct sk_buff *msg, struct wiphy *wiphy,
1033 struct ieee80211_channel *chan,
1036 /* Some channels must be completely excluded from the
1037 * list to protect old user-space tools from breaking
1039 if (!large && chan->flags &
1040 (IEEE80211_CHAN_NO_10MHZ | IEEE80211_CHAN_NO_20MHZ))
1042 if (!large && chan->freq_offset)
1045 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_FREQ,
1047 goto nla_put_failure;
1049 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_OFFSET, chan->freq_offset))
1050 goto nla_put_failure;
1052 if ((chan->flags & IEEE80211_CHAN_DISABLED) &&
1053 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DISABLED))
1054 goto nla_put_failure;
1055 if (chan->flags & IEEE80211_CHAN_NO_IR) {
1056 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IR))
1057 goto nla_put_failure;
1058 if (nla_put_flag(msg, __NL80211_FREQUENCY_ATTR_NO_IBSS))
1059 goto nla_put_failure;
1061 if (chan->flags & IEEE80211_CHAN_RADAR) {
1062 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR))
1063 goto nla_put_failure;
1067 time = elapsed_jiffies_msecs(chan->dfs_state_entered);
1069 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_STATE,
1071 goto nla_put_failure;
1072 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_TIME,
1074 goto nla_put_failure;
1075 if (nla_put_u32(msg,
1076 NL80211_FREQUENCY_ATTR_DFS_CAC_TIME,
1078 goto nla_put_failure;
1083 if ((chan->flags & IEEE80211_CHAN_NO_HT40MINUS) &&
1084 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS))
1085 goto nla_put_failure;
1086 if ((chan->flags & IEEE80211_CHAN_NO_HT40PLUS) &&
1087 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS))
1088 goto nla_put_failure;
1089 if ((chan->flags & IEEE80211_CHAN_NO_80MHZ) &&
1090 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_80MHZ))
1091 goto nla_put_failure;
1092 if ((chan->flags & IEEE80211_CHAN_NO_160MHZ) &&
1093 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_160MHZ))
1094 goto nla_put_failure;
1095 if ((chan->flags & IEEE80211_CHAN_INDOOR_ONLY) &&
1096 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_INDOOR_ONLY))
1097 goto nla_put_failure;
1098 if ((chan->flags & IEEE80211_CHAN_IR_CONCURRENT) &&
1099 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_IR_CONCURRENT))
1100 goto nla_put_failure;
1101 if ((chan->flags & IEEE80211_CHAN_NO_20MHZ) &&
1102 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_20MHZ))
1103 goto nla_put_failure;
1104 if ((chan->flags & IEEE80211_CHAN_NO_10MHZ) &&
1105 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_10MHZ))
1106 goto nla_put_failure;
1107 if ((chan->flags & IEEE80211_CHAN_NO_HE) &&
1108 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HE))
1109 goto nla_put_failure;
1110 if ((chan->flags & IEEE80211_CHAN_1MHZ) &&
1111 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_1MHZ))
1112 goto nla_put_failure;
1113 if ((chan->flags & IEEE80211_CHAN_2MHZ) &&
1114 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_2MHZ))
1115 goto nla_put_failure;
1116 if ((chan->flags & IEEE80211_CHAN_4MHZ) &&
1117 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_4MHZ))
1118 goto nla_put_failure;
1119 if ((chan->flags & IEEE80211_CHAN_8MHZ) &&
1120 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_8MHZ))
1121 goto nla_put_failure;
1122 if ((chan->flags & IEEE80211_CHAN_16MHZ) &&
1123 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_16MHZ))
1124 goto nla_put_failure;
1127 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER,
1128 DBM_TO_MBM(chan->max_power)))
1129 goto nla_put_failure;
1132 const struct ieee80211_reg_rule *rule =
1133 freq_reg_info(wiphy, MHZ_TO_KHZ(chan->center_freq));
1135 if (!IS_ERR_OR_NULL(rule) && rule->has_wmm) {
1136 if (nl80211_msg_put_wmm_rules(msg, rule))
1137 goto nla_put_failure;
1147 static bool nl80211_put_txq_stats(struct sk_buff *msg,
1148 struct cfg80211_txq_stats *txqstats,
1151 struct nlattr *txqattr;
1153 #define PUT_TXQVAL_U32(attr, memb) do { \
1154 if (txqstats->filled & BIT(NL80211_TXQ_STATS_ ## attr) && \
1155 nla_put_u32(msg, NL80211_TXQ_STATS_ ## attr, txqstats->memb)) \
1159 txqattr = nla_nest_start_noflag(msg, attrtype);
1163 PUT_TXQVAL_U32(BACKLOG_BYTES, backlog_bytes);
1164 PUT_TXQVAL_U32(BACKLOG_PACKETS, backlog_packets);
1165 PUT_TXQVAL_U32(FLOWS, flows);
1166 PUT_TXQVAL_U32(DROPS, drops);
1167 PUT_TXQVAL_U32(ECN_MARKS, ecn_marks);
1168 PUT_TXQVAL_U32(OVERLIMIT, overlimit);
1169 PUT_TXQVAL_U32(OVERMEMORY, overmemory);
1170 PUT_TXQVAL_U32(COLLISIONS, collisions);
1171 PUT_TXQVAL_U32(TX_BYTES, tx_bytes);
1172 PUT_TXQVAL_U32(TX_PACKETS, tx_packets);
1173 PUT_TXQVAL_U32(MAX_FLOWS, max_flows);
1174 nla_nest_end(msg, txqattr);
1176 #undef PUT_TXQVAL_U32
1180 /* netlink command implementations */
1183 struct key_params p;
1186 bool def, defmgmt, defbeacon;
1187 bool def_uni, def_multi;
1190 static int nl80211_parse_key_new(struct genl_info *info, struct nlattr *key,
1191 struct key_parse *k)
1193 struct nlattr *tb[NL80211_KEY_MAX + 1];
1194 int err = nla_parse_nested_deprecated(tb, NL80211_KEY_MAX, key,
1200 k->def = !!tb[NL80211_KEY_DEFAULT];
1201 k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT];
1202 k->defbeacon = !!tb[NL80211_KEY_DEFAULT_BEACON];
1206 k->def_multi = true;
1208 if (k->defmgmt || k->defbeacon)
1209 k->def_multi = true;
1211 if (tb[NL80211_KEY_IDX])
1212 k->idx = nla_get_u8(tb[NL80211_KEY_IDX]);
1214 if (tb[NL80211_KEY_DATA]) {
1215 k->p.key = nla_data(tb[NL80211_KEY_DATA]);
1216 k->p.key_len = nla_len(tb[NL80211_KEY_DATA]);
1219 if (tb[NL80211_KEY_SEQ]) {
1220 k->p.seq = nla_data(tb[NL80211_KEY_SEQ]);
1221 k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]);
1224 if (tb[NL80211_KEY_CIPHER])
1225 k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]);
1227 if (tb[NL80211_KEY_TYPE])
1228 k->type = nla_get_u32(tb[NL80211_KEY_TYPE]);
1230 if (tb[NL80211_KEY_DEFAULT_TYPES]) {
1231 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
1233 err = nla_parse_nested_deprecated(kdt,
1234 NUM_NL80211_KEY_DEFAULT_TYPES - 1,
1235 tb[NL80211_KEY_DEFAULT_TYPES],
1236 nl80211_key_default_policy,
1241 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
1242 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
1245 if (tb[NL80211_KEY_MODE])
1246 k->p.mode = nla_get_u8(tb[NL80211_KEY_MODE]);
1251 static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k)
1253 if (info->attrs[NL80211_ATTR_KEY_DATA]) {
1254 k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]);
1255 k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]);
1258 if (info->attrs[NL80211_ATTR_KEY_SEQ]) {
1259 k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]);
1260 k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]);
1263 if (info->attrs[NL80211_ATTR_KEY_IDX])
1264 k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
1266 if (info->attrs[NL80211_ATTR_KEY_CIPHER])
1267 k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]);
1269 k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT];
1270 k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT];
1274 k->def_multi = true;
1277 k->def_multi = true;
1279 if (info->attrs[NL80211_ATTR_KEY_TYPE])
1280 k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
1282 if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) {
1283 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
1284 int err = nla_parse_nested_deprecated(kdt,
1285 NUM_NL80211_KEY_DEFAULT_TYPES - 1,
1286 info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES],
1287 nl80211_key_default_policy,
1292 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
1293 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
1299 static int nl80211_parse_key(struct genl_info *info, struct key_parse *k)
1303 memset(k, 0, sizeof(*k));
1307 if (info->attrs[NL80211_ATTR_KEY])
1308 err = nl80211_parse_key_new(info, info->attrs[NL80211_ATTR_KEY], k);
1310 err = nl80211_parse_key_old(info, k);
1315 if ((k->def ? 1 : 0) + (k->defmgmt ? 1 : 0) +
1316 (k->defbeacon ? 1 : 0) > 1) {
1317 GENL_SET_ERR_MSG(info,
1318 "key with multiple default flags is invalid");
1322 if (k->defmgmt || k->defbeacon) {
1323 if (k->def_uni || !k->def_multi) {
1324 GENL_SET_ERR_MSG(info,
1325 "defmgmt/defbeacon key must be mcast");
1332 if (k->idx < 4 || k->idx > 5) {
1333 GENL_SET_ERR_MSG(info,
1334 "defmgmt key idx not 4 or 5");
1337 } else if (k->defbeacon) {
1338 if (k->idx < 6 || k->idx > 7) {
1339 GENL_SET_ERR_MSG(info,
1340 "defbeacon key idx not 6 or 7");
1343 } else if (k->def) {
1344 if (k->idx < 0 || k->idx > 3) {
1345 GENL_SET_ERR_MSG(info, "def key idx not 0-3");
1349 if (k->idx < 0 || k->idx > 7) {
1350 GENL_SET_ERR_MSG(info, "key idx not 0-7");
1359 static struct cfg80211_cached_keys *
1360 nl80211_parse_connkeys(struct cfg80211_registered_device *rdev,
1361 struct genl_info *info, bool *no_ht)
1363 struct nlattr *keys = info->attrs[NL80211_ATTR_KEYS];
1364 struct key_parse parse;
1366 struct cfg80211_cached_keys *result;
1367 int rem, err, def = 0;
1368 bool have_key = false;
1370 nla_for_each_nested(key, keys, rem) {
1378 result = kzalloc(sizeof(*result), GFP_KERNEL);
1380 return ERR_PTR(-ENOMEM);
1384 nla_for_each_nested(key, keys, rem) {
1385 memset(&parse, 0, sizeof(parse));
1388 err = nl80211_parse_key_new(info, key, &parse);
1394 if (parse.idx < 0 || parse.idx > 3) {
1395 GENL_SET_ERR_MSG(info, "key index out of range [0-3]");
1400 GENL_SET_ERR_MSG(info,
1401 "only one key can be default");
1405 result->def = parse.idx;
1406 if (!parse.def_uni || !parse.def_multi)
1408 } else if (parse.defmgmt)
1410 err = cfg80211_validate_key_settings(rdev, &parse.p,
1411 parse.idx, false, NULL);
1414 if (parse.p.cipher != WLAN_CIPHER_SUITE_WEP40 &&
1415 parse.p.cipher != WLAN_CIPHER_SUITE_WEP104) {
1416 GENL_SET_ERR_MSG(info, "connect key must be WEP");
1420 result->params[parse.idx].cipher = parse.p.cipher;
1421 result->params[parse.idx].key_len = parse.p.key_len;
1422 result->params[parse.idx].key = result->data[parse.idx];
1423 memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len);
1425 /* must be WEP key if we got here */
1430 if (result->def < 0) {
1432 GENL_SET_ERR_MSG(info, "need a default/TX key");
1439 return ERR_PTR(err);
1442 static int nl80211_key_allowed(struct wireless_dev *wdev)
1444 ASSERT_WDEV_LOCK(wdev);
1446 switch (wdev->iftype) {
1447 case NL80211_IFTYPE_AP:
1448 case NL80211_IFTYPE_AP_VLAN:
1449 case NL80211_IFTYPE_P2P_GO:
1450 case NL80211_IFTYPE_MESH_POINT:
1452 case NL80211_IFTYPE_ADHOC:
1453 case NL80211_IFTYPE_STATION:
1454 case NL80211_IFTYPE_P2P_CLIENT:
1455 if (!wdev->current_bss)
1458 case NL80211_IFTYPE_UNSPECIFIED:
1459 case NL80211_IFTYPE_OCB:
1460 case NL80211_IFTYPE_MONITOR:
1461 case NL80211_IFTYPE_NAN:
1462 case NL80211_IFTYPE_P2P_DEVICE:
1463 case NL80211_IFTYPE_WDS:
1464 case NUM_NL80211_IFTYPES:
1471 static struct ieee80211_channel *nl80211_get_valid_chan(struct wiphy *wiphy,
1474 struct ieee80211_channel *chan;
1476 chan = ieee80211_get_channel_khz(wiphy, freq);
1477 if (!chan || chan->flags & IEEE80211_CHAN_DISABLED)
1482 static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes)
1484 struct nlattr *nl_modes = nla_nest_start_noflag(msg, attr);
1488 goto nla_put_failure;
1492 if ((ifmodes & 1) && nla_put_flag(msg, i))
1493 goto nla_put_failure;
1498 nla_nest_end(msg, nl_modes);
1505 static int nl80211_put_iface_combinations(struct wiphy *wiphy,
1506 struct sk_buff *msg,
1509 struct nlattr *nl_combis;
1512 nl_combis = nla_nest_start_noflag(msg,
1513 NL80211_ATTR_INTERFACE_COMBINATIONS);
1515 goto nla_put_failure;
1517 for (i = 0; i < wiphy->n_iface_combinations; i++) {
1518 const struct ieee80211_iface_combination *c;
1519 struct nlattr *nl_combi, *nl_limits;
1521 c = &wiphy->iface_combinations[i];
1523 nl_combi = nla_nest_start_noflag(msg, i + 1);
1525 goto nla_put_failure;
1527 nl_limits = nla_nest_start_noflag(msg,
1528 NL80211_IFACE_COMB_LIMITS);
1530 goto nla_put_failure;
1532 for (j = 0; j < c->n_limits; j++) {
1533 struct nlattr *nl_limit;
1535 nl_limit = nla_nest_start_noflag(msg, j + 1);
1537 goto nla_put_failure;
1538 if (nla_put_u32(msg, NL80211_IFACE_LIMIT_MAX,
1540 goto nla_put_failure;
1541 if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES,
1542 c->limits[j].types))
1543 goto nla_put_failure;
1544 nla_nest_end(msg, nl_limit);
1547 nla_nest_end(msg, nl_limits);
1549 if (c->beacon_int_infra_match &&
1550 nla_put_flag(msg, NL80211_IFACE_COMB_STA_AP_BI_MATCH))
1551 goto nla_put_failure;
1552 if (nla_put_u32(msg, NL80211_IFACE_COMB_NUM_CHANNELS,
1553 c->num_different_channels) ||
1554 nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM,
1556 goto nla_put_failure;
1558 (nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS,
1559 c->radar_detect_widths) ||
1560 nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS,
1561 c->radar_detect_regions)))
1562 goto nla_put_failure;
1563 if (c->beacon_int_min_gcd &&
1564 nla_put_u32(msg, NL80211_IFACE_COMB_BI_MIN_GCD,
1565 c->beacon_int_min_gcd))
1566 goto nla_put_failure;
1568 nla_nest_end(msg, nl_combi);
1571 nla_nest_end(msg, nl_combis);
1579 static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev,
1580 struct sk_buff *msg)
1582 const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan->tcp;
1583 struct nlattr *nl_tcp;
1588 nl_tcp = nla_nest_start_noflag(msg,
1589 NL80211_WOWLAN_TRIG_TCP_CONNECTION);
1593 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
1594 tcp->data_payload_max))
1597 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
1598 tcp->data_payload_max))
1601 if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ))
1604 if (tcp->tok && nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
1605 sizeof(*tcp->tok), tcp->tok))
1608 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
1609 tcp->data_interval_max))
1612 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
1613 tcp->wake_payload_max))
1616 nla_nest_end(msg, nl_tcp);
1620 static int nl80211_send_wowlan(struct sk_buff *msg,
1621 struct cfg80211_registered_device *rdev,
1624 struct nlattr *nl_wowlan;
1626 if (!rdev->wiphy.wowlan)
1629 nl_wowlan = nla_nest_start_noflag(msg,
1630 NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED);
1634 if (((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_ANY) &&
1635 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
1636 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_DISCONNECT) &&
1637 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
1638 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT) &&
1639 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
1640 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) &&
1641 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED)) ||
1642 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) &&
1643 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
1644 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) &&
1645 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
1646 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) &&
1647 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
1648 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE) &&
1649 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
1652 if (rdev->wiphy.wowlan->n_patterns) {
1653 struct nl80211_pattern_support pat = {
1654 .max_patterns = rdev->wiphy.wowlan->n_patterns,
1655 .min_pattern_len = rdev->wiphy.wowlan->pattern_min_len,
1656 .max_pattern_len = rdev->wiphy.wowlan->pattern_max_len,
1657 .max_pkt_offset = rdev->wiphy.wowlan->max_pkt_offset,
1660 if (nla_put(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
1665 if ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_NET_DETECT) &&
1666 nla_put_u32(msg, NL80211_WOWLAN_TRIG_NET_DETECT,
1667 rdev->wiphy.wowlan->max_nd_match_sets))
1670 if (large && nl80211_send_wowlan_tcp_caps(rdev, msg))
1673 nla_nest_end(msg, nl_wowlan);
1679 static int nl80211_send_coalesce(struct sk_buff *msg,
1680 struct cfg80211_registered_device *rdev)
1682 struct nl80211_coalesce_rule_support rule;
1684 if (!rdev->wiphy.coalesce)
1687 rule.max_rules = rdev->wiphy.coalesce->n_rules;
1688 rule.max_delay = rdev->wiphy.coalesce->max_delay;
1689 rule.pat.max_patterns = rdev->wiphy.coalesce->n_patterns;
1690 rule.pat.min_pattern_len = rdev->wiphy.coalesce->pattern_min_len;
1691 rule.pat.max_pattern_len = rdev->wiphy.coalesce->pattern_max_len;
1692 rule.pat.max_pkt_offset = rdev->wiphy.coalesce->max_pkt_offset;
1694 if (nla_put(msg, NL80211_ATTR_COALESCE_RULE, sizeof(rule), &rule))
1701 nl80211_send_iftype_data(struct sk_buff *msg,
1702 const struct ieee80211_supported_band *sband,
1703 const struct ieee80211_sband_iftype_data *iftdata)
1705 const struct ieee80211_sta_he_cap *he_cap = &iftdata->he_cap;
1707 if (nl80211_put_iftypes(msg, NL80211_BAND_IFTYPE_ATTR_IFTYPES,
1708 iftdata->types_mask))
1711 if (he_cap->has_he) {
1712 if (nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC,
1713 sizeof(he_cap->he_cap_elem.mac_cap_info),
1714 he_cap->he_cap_elem.mac_cap_info) ||
1715 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY,
1716 sizeof(he_cap->he_cap_elem.phy_cap_info),
1717 he_cap->he_cap_elem.phy_cap_info) ||
1718 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET,
1719 sizeof(he_cap->he_mcs_nss_supp),
1720 &he_cap->he_mcs_nss_supp) ||
1721 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE,
1722 sizeof(he_cap->ppe_thres), he_cap->ppe_thres))
1726 if (sband->band == NL80211_BAND_6GHZ &&
1727 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_6GHZ_CAPA,
1728 sizeof(iftdata->he_6ghz_capa),
1729 &iftdata->he_6ghz_capa))
1735 static int nl80211_send_band_rateinfo(struct sk_buff *msg,
1736 struct ieee80211_supported_band *sband,
1739 struct nlattr *nl_rates, *nl_rate;
1740 struct ieee80211_rate *rate;
1744 if (sband->ht_cap.ht_supported &&
1745 (nla_put(msg, NL80211_BAND_ATTR_HT_MCS_SET,
1746 sizeof(sband->ht_cap.mcs),
1747 &sband->ht_cap.mcs) ||
1748 nla_put_u16(msg, NL80211_BAND_ATTR_HT_CAPA,
1749 sband->ht_cap.cap) ||
1750 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR,
1751 sband->ht_cap.ampdu_factor) ||
1752 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY,
1753 sband->ht_cap.ampdu_density)))
1757 if (sband->vht_cap.vht_supported &&
1758 (nla_put(msg, NL80211_BAND_ATTR_VHT_MCS_SET,
1759 sizeof(sband->vht_cap.vht_mcs),
1760 &sband->vht_cap.vht_mcs) ||
1761 nla_put_u32(msg, NL80211_BAND_ATTR_VHT_CAPA,
1762 sband->vht_cap.cap)))
1765 if (large && sband->n_iftype_data) {
1766 struct nlattr *nl_iftype_data =
1767 nla_nest_start_noflag(msg,
1768 NL80211_BAND_ATTR_IFTYPE_DATA);
1771 if (!nl_iftype_data)
1774 for (i = 0; i < sband->n_iftype_data; i++) {
1775 struct nlattr *iftdata;
1777 iftdata = nla_nest_start_noflag(msg, i + 1);
1781 err = nl80211_send_iftype_data(msg, sband,
1782 &sband->iftype_data[i]);
1786 nla_nest_end(msg, iftdata);
1789 nla_nest_end(msg, nl_iftype_data);
1793 if (large && sband->edmg_cap.channels &&
1794 (nla_put_u8(msg, NL80211_BAND_ATTR_EDMG_CHANNELS,
1795 sband->edmg_cap.channels) ||
1796 nla_put_u8(msg, NL80211_BAND_ATTR_EDMG_BW_CONFIG,
1797 sband->edmg_cap.bw_config)))
1802 nl_rates = nla_nest_start_noflag(msg, NL80211_BAND_ATTR_RATES);
1806 for (i = 0; i < sband->n_bitrates; i++) {
1807 nl_rate = nla_nest_start_noflag(msg, i);
1811 rate = &sband->bitrates[i];
1812 if (nla_put_u32(msg, NL80211_BITRATE_ATTR_RATE,
1815 if ((rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) &&
1817 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE))
1820 nla_nest_end(msg, nl_rate);
1823 nla_nest_end(msg, nl_rates);
1829 nl80211_send_mgmt_stypes(struct sk_buff *msg,
1830 const struct ieee80211_txrx_stypes *mgmt_stypes)
1833 struct nlattr *nl_ftypes, *nl_ifs;
1834 enum nl80211_iftype ift;
1840 nl_ifs = nla_nest_start_noflag(msg, NL80211_ATTR_TX_FRAME_TYPES);
1844 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
1845 nl_ftypes = nla_nest_start_noflag(msg, ift);
1849 stypes = mgmt_stypes[ift].tx;
1852 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
1853 (i << 4) | IEEE80211_FTYPE_MGMT))
1858 nla_nest_end(msg, nl_ftypes);
1861 nla_nest_end(msg, nl_ifs);
1863 nl_ifs = nla_nest_start_noflag(msg, NL80211_ATTR_RX_FRAME_TYPES);
1867 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
1868 nl_ftypes = nla_nest_start_noflag(msg, ift);
1872 stypes = mgmt_stypes[ift].rx;
1875 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
1876 (i << 4) | IEEE80211_FTYPE_MGMT))
1881 nla_nest_end(msg, nl_ftypes);
1883 nla_nest_end(msg, nl_ifs);
1888 #define CMD(op, n) \
1890 if (rdev->ops->op) { \
1892 if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \
1893 goto nla_put_failure; \
1897 static int nl80211_add_commands_unsplit(struct cfg80211_registered_device *rdev,
1898 struct sk_buff *msg)
1903 * do *NOT* add anything into this function, new things need to be
1904 * advertised only to new versions of userspace that can deal with
1905 * the split (and they can't possibly care about new features...
1907 CMD(add_virtual_intf, NEW_INTERFACE);
1908 CMD(change_virtual_intf, SET_INTERFACE);
1909 CMD(add_key, NEW_KEY);
1910 CMD(start_ap, START_AP);
1911 CMD(add_station, NEW_STATION);
1912 CMD(add_mpath, NEW_MPATH);
1913 CMD(update_mesh_config, SET_MESH_CONFIG);
1914 CMD(change_bss, SET_BSS);
1915 CMD(auth, AUTHENTICATE);
1916 CMD(assoc, ASSOCIATE);
1917 CMD(deauth, DEAUTHENTICATE);
1918 CMD(disassoc, DISASSOCIATE);
1919 CMD(join_ibss, JOIN_IBSS);
1920 CMD(join_mesh, JOIN_MESH);
1921 CMD(set_pmksa, SET_PMKSA);
1922 CMD(del_pmksa, DEL_PMKSA);
1923 CMD(flush_pmksa, FLUSH_PMKSA);
1924 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)
1925 CMD(remain_on_channel, REMAIN_ON_CHANNEL);
1926 CMD(set_bitrate_mask, SET_TX_BITRATE_MASK);
1927 CMD(mgmt_tx, FRAME);
1928 CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL);
1929 if (rdev->wiphy.flags & WIPHY_FLAG_NETNS_OK) {
1931 if (nla_put_u32(msg, i, NL80211_CMD_SET_WIPHY_NETNS))
1932 goto nla_put_failure;
1934 if (rdev->ops->set_monitor_channel || rdev->ops->start_ap ||
1935 rdev->ops->join_mesh) {
1937 if (nla_put_u32(msg, i, NL80211_CMD_SET_CHANNEL))
1938 goto nla_put_failure;
1940 if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) {
1941 CMD(tdls_mgmt, TDLS_MGMT);
1942 CMD(tdls_oper, TDLS_OPER);
1944 if (rdev->wiphy.max_sched_scan_reqs)
1945 CMD(sched_scan_start, START_SCHED_SCAN);
1946 CMD(probe_client, PROBE_CLIENT);
1947 CMD(set_noack_map, SET_NOACK_MAP);
1948 if (rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) {
1950 if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS))
1951 goto nla_put_failure;
1953 CMD(start_p2p_device, START_P2P_DEVICE);
1954 CMD(set_mcast_rate, SET_MCAST_RATE);
1955 #ifdef CONFIG_NL80211_TESTMODE
1956 CMD(testmode_cmd, TESTMODE);
1959 if (rdev->ops->connect || rdev->ops->auth) {
1961 if (nla_put_u32(msg, i, NL80211_CMD_CONNECT))
1962 goto nla_put_failure;
1965 if (rdev->ops->disconnect || rdev->ops->deauth) {
1967 if (nla_put_u32(msg, i, NL80211_CMD_DISCONNECT))
1968 goto nla_put_failure;
1977 nl80211_send_pmsr_ftm_capa(const struct cfg80211_pmsr_capabilities *cap,
1978 struct sk_buff *msg)
1982 if (!cap->ftm.supported)
1985 ftm = nla_nest_start_noflag(msg, NL80211_PMSR_TYPE_FTM);
1989 if (cap->ftm.asap && nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_ASAP))
1991 if (cap->ftm.non_asap &&
1992 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_NON_ASAP))
1994 if (cap->ftm.request_lci &&
1995 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_REQ_LCI))
1997 if (cap->ftm.request_civicloc &&
1998 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_REQ_CIVICLOC))
2000 if (nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_PREAMBLES,
2001 cap->ftm.preambles))
2003 if (nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_BANDWIDTHS,
2004 cap->ftm.bandwidths))
2006 if (cap->ftm.max_bursts_exponent >= 0 &&
2007 nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_MAX_BURSTS_EXPONENT,
2008 cap->ftm.max_bursts_exponent))
2010 if (cap->ftm.max_ftms_per_burst &&
2011 nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_MAX_FTMS_PER_BURST,
2012 cap->ftm.max_ftms_per_burst))
2014 if (cap->ftm.trigger_based &&
2015 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_TRIGGER_BASED))
2017 if (cap->ftm.non_trigger_based &&
2018 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_NON_TRIGGER_BASED))
2021 nla_nest_end(msg, ftm);
2025 static int nl80211_send_pmsr_capa(struct cfg80211_registered_device *rdev,
2026 struct sk_buff *msg)
2028 const struct cfg80211_pmsr_capabilities *cap = rdev->wiphy.pmsr_capa;
2029 struct nlattr *pmsr, *caps;
2035 * we don't need to clean up anything here since the caller
2036 * will genlmsg_cancel() if we fail
2039 pmsr = nla_nest_start_noflag(msg, NL80211_ATTR_PEER_MEASUREMENTS);
2043 if (nla_put_u32(msg, NL80211_PMSR_ATTR_MAX_PEERS, cap->max_peers))
2046 if (cap->report_ap_tsf &&
2047 nla_put_flag(msg, NL80211_PMSR_ATTR_REPORT_AP_TSF))
2050 if (cap->randomize_mac_addr &&
2051 nla_put_flag(msg, NL80211_PMSR_ATTR_RANDOMIZE_MAC_ADDR))
2054 caps = nla_nest_start_noflag(msg, NL80211_PMSR_ATTR_TYPE_CAPA);
2058 if (nl80211_send_pmsr_ftm_capa(cap, msg))
2061 nla_nest_end(msg, caps);
2062 nla_nest_end(msg, pmsr);
2068 nl80211_put_iftype_akm_suites(struct cfg80211_registered_device *rdev,
2069 struct sk_buff *msg)
2072 struct nlattr *nested, *nested_akms;
2073 const struct wiphy_iftype_akm_suites *iftype_akms;
2075 if (!rdev->wiphy.num_iftype_akm_suites ||
2076 !rdev->wiphy.iftype_akm_suites)
2079 nested = nla_nest_start(msg, NL80211_ATTR_IFTYPE_AKM_SUITES);
2083 for (i = 0; i < rdev->wiphy.num_iftype_akm_suites; i++) {
2084 nested_akms = nla_nest_start(msg, i + 1);
2088 iftype_akms = &rdev->wiphy.iftype_akm_suites[i];
2090 if (nl80211_put_iftypes(msg, NL80211_IFTYPE_AKM_ATTR_IFTYPES,
2091 iftype_akms->iftypes_mask))
2094 if (nla_put(msg, NL80211_IFTYPE_AKM_ATTR_SUITES,
2095 sizeof(u32) * iftype_akms->n_akm_suites,
2096 iftype_akms->akm_suites)) {
2099 nla_nest_end(msg, nested_akms);
2102 nla_nest_end(msg, nested);
2108 nl80211_put_tid_config_support(struct cfg80211_registered_device *rdev,
2109 struct sk_buff *msg)
2111 struct nlattr *supp;
2113 if (!rdev->wiphy.tid_config_support.vif &&
2114 !rdev->wiphy.tid_config_support.peer)
2117 supp = nla_nest_start(msg, NL80211_ATTR_TID_CONFIG);
2121 if (rdev->wiphy.tid_config_support.vif &&
2122 nla_put_u64_64bit(msg, NL80211_TID_CONFIG_ATTR_VIF_SUPP,
2123 rdev->wiphy.tid_config_support.vif,
2124 NL80211_TID_CONFIG_ATTR_PAD))
2127 if (rdev->wiphy.tid_config_support.peer &&
2128 nla_put_u64_64bit(msg, NL80211_TID_CONFIG_ATTR_PEER_SUPP,
2129 rdev->wiphy.tid_config_support.peer,
2130 NL80211_TID_CONFIG_ATTR_PAD))
2133 /* for now we just use the same value ... makes more sense */
2134 if (nla_put_u8(msg, NL80211_TID_CONFIG_ATTR_RETRY_SHORT,
2135 rdev->wiphy.tid_config_support.max_retry))
2137 if (nla_put_u8(msg, NL80211_TID_CONFIG_ATTR_RETRY_LONG,
2138 rdev->wiphy.tid_config_support.max_retry))
2141 nla_nest_end(msg, supp);
2145 nla_nest_cancel(msg, supp);
2150 nl80211_put_sar_specs(struct cfg80211_registered_device *rdev,
2151 struct sk_buff *msg)
2153 struct nlattr *sar_capa, *specs, *sub_freq_range;
2157 if (!rdev->wiphy.sar_capa)
2160 num_freq_ranges = rdev->wiphy.sar_capa->num_freq_ranges;
2162 sar_capa = nla_nest_start(msg, NL80211_ATTR_SAR_SPEC);
2166 if (nla_put_u32(msg, NL80211_SAR_ATTR_TYPE, rdev->wiphy.sar_capa->type))
2169 specs = nla_nest_start(msg, NL80211_SAR_ATTR_SPECS);
2173 /* report supported freq_ranges */
2174 for (i = 0; i < num_freq_ranges; i++) {
2175 sub_freq_range = nla_nest_start(msg, i + 1);
2176 if (!sub_freq_range)
2179 if (nla_put_u32(msg, NL80211_SAR_ATTR_SPECS_START_FREQ,
2180 rdev->wiphy.sar_capa->freq_ranges[i].start_freq))
2183 if (nla_put_u32(msg, NL80211_SAR_ATTR_SPECS_END_FREQ,
2184 rdev->wiphy.sar_capa->freq_ranges[i].end_freq))
2187 nla_nest_end(msg, sub_freq_range);
2190 nla_nest_end(msg, specs);
2191 nla_nest_end(msg, sar_capa);
2195 nla_nest_cancel(msg, sar_capa);
2199 struct nl80211_dump_wiphy_state {
2202 long split_start, band_start, chan_start, capa_start;
2206 static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev,
2207 enum nl80211_commands cmd,
2208 struct sk_buff *msg, u32 portid, u32 seq,
2209 int flags, struct nl80211_dump_wiphy_state *state)
2212 struct nlattr *nl_bands, *nl_band;
2213 struct nlattr *nl_freqs, *nl_freq;
2214 struct nlattr *nl_cmds;
2215 enum nl80211_band band;
2216 struct ieee80211_channel *chan;
2218 const struct ieee80211_txrx_stypes *mgmt_stypes =
2219 rdev->wiphy.mgmt_stypes;
2222 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
2226 if (WARN_ON(!state))
2229 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
2230 nla_put_string(msg, NL80211_ATTR_WIPHY_NAME,
2231 wiphy_name(&rdev->wiphy)) ||
2232 nla_put_u32(msg, NL80211_ATTR_GENERATION,
2233 cfg80211_rdev_list_generation))
2234 goto nla_put_failure;
2236 if (cmd != NL80211_CMD_NEW_WIPHY)
2239 switch (state->split_start) {
2241 if (nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT,
2242 rdev->wiphy.retry_short) ||
2243 nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_LONG,
2244 rdev->wiphy.retry_long) ||
2245 nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD,
2246 rdev->wiphy.frag_threshold) ||
2247 nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD,
2248 rdev->wiphy.rts_threshold) ||
2249 nla_put_u8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS,
2250 rdev->wiphy.coverage_class) ||
2251 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS,
2252 rdev->wiphy.max_scan_ssids) ||
2253 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS,
2254 rdev->wiphy.max_sched_scan_ssids) ||
2255 nla_put_u16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN,
2256 rdev->wiphy.max_scan_ie_len) ||
2257 nla_put_u16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN,
2258 rdev->wiphy.max_sched_scan_ie_len) ||
2259 nla_put_u8(msg, NL80211_ATTR_MAX_MATCH_SETS,
2260 rdev->wiphy.max_match_sets))
2261 goto nla_put_failure;
2263 if ((rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) &&
2264 nla_put_flag(msg, NL80211_ATTR_SUPPORT_IBSS_RSN))
2265 goto nla_put_failure;
2266 if ((rdev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) &&
2267 nla_put_flag(msg, NL80211_ATTR_SUPPORT_MESH_AUTH))
2268 goto nla_put_failure;
2269 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) &&
2270 nla_put_flag(msg, NL80211_ATTR_SUPPORT_AP_UAPSD))
2271 goto nla_put_failure;
2272 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) &&
2273 nla_put_flag(msg, NL80211_ATTR_ROAM_SUPPORT))
2274 goto nla_put_failure;
2275 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) &&
2276 nla_put_flag(msg, NL80211_ATTR_TDLS_SUPPORT))
2277 goto nla_put_failure;
2278 if ((rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) &&
2279 nla_put_flag(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP))
2280 goto nla_put_failure;
2281 state->split_start++;
2286 if (nla_put(msg, NL80211_ATTR_CIPHER_SUITES,
2287 sizeof(u32) * rdev->wiphy.n_cipher_suites,
2288 rdev->wiphy.cipher_suites))
2289 goto nla_put_failure;
2291 if (nla_put_u8(msg, NL80211_ATTR_MAX_NUM_PMKIDS,
2292 rdev->wiphy.max_num_pmkids))
2293 goto nla_put_failure;
2295 if ((rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
2296 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE))
2297 goto nla_put_failure;
2299 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX,
2300 rdev->wiphy.available_antennas_tx) ||
2301 nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX,
2302 rdev->wiphy.available_antennas_rx))
2303 goto nla_put_failure;
2305 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) &&
2306 nla_put_u32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD,
2307 rdev->wiphy.probe_resp_offload))
2308 goto nla_put_failure;
2310 if ((rdev->wiphy.available_antennas_tx ||
2311 rdev->wiphy.available_antennas_rx) &&
2312 rdev->ops->get_antenna) {
2313 u32 tx_ant = 0, rx_ant = 0;
2316 res = rdev_get_antenna(rdev, &tx_ant, &rx_ant);
2318 if (nla_put_u32(msg,
2319 NL80211_ATTR_WIPHY_ANTENNA_TX,
2322 NL80211_ATTR_WIPHY_ANTENNA_RX,
2324 goto nla_put_failure;
2328 state->split_start++;
2333 if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES,
2334 rdev->wiphy.interface_modes))
2335 goto nla_put_failure;
2336 state->split_start++;
2341 nl_bands = nla_nest_start_noflag(msg,
2342 NL80211_ATTR_WIPHY_BANDS);
2344 goto nla_put_failure;
2346 for (band = state->band_start;
2347 band < NUM_NL80211_BANDS; band++) {
2348 struct ieee80211_supported_band *sband;
2350 /* omit higher bands for ancient software */
2351 if (band > NL80211_BAND_5GHZ && !state->split)
2354 sband = rdev->wiphy.bands[band];
2359 nl_band = nla_nest_start_noflag(msg, band);
2361 goto nla_put_failure;
2363 switch (state->chan_start) {
2365 if (nl80211_send_band_rateinfo(msg, sband,
2367 goto nla_put_failure;
2368 state->chan_start++;
2373 /* add frequencies */
2374 nl_freqs = nla_nest_start_noflag(msg,
2375 NL80211_BAND_ATTR_FREQS);
2377 goto nla_put_failure;
2379 for (i = state->chan_start - 1;
2380 i < sband->n_channels;
2382 nl_freq = nla_nest_start_noflag(msg,
2385 goto nla_put_failure;
2387 chan = &sband->channels[i];
2389 if (nl80211_msg_put_channel(
2390 msg, &rdev->wiphy, chan,
2392 goto nla_put_failure;
2394 nla_nest_end(msg, nl_freq);
2398 if (i < sband->n_channels)
2399 state->chan_start = i + 2;
2401 state->chan_start = 0;
2402 nla_nest_end(msg, nl_freqs);
2405 nla_nest_end(msg, nl_band);
2408 /* start again here */
2409 if (state->chan_start)
2414 nla_nest_end(msg, nl_bands);
2416 if (band < NUM_NL80211_BANDS)
2417 state->band_start = band + 1;
2419 state->band_start = 0;
2421 /* if bands & channels are done, continue outside */
2422 if (state->band_start == 0 && state->chan_start == 0)
2423 state->split_start++;
2428 nl_cmds = nla_nest_start_noflag(msg,
2429 NL80211_ATTR_SUPPORTED_COMMANDS);
2431 goto nla_put_failure;
2433 i = nl80211_add_commands_unsplit(rdev, msg);
2435 goto nla_put_failure;
2437 CMD(crit_proto_start, CRIT_PROTOCOL_START);
2438 CMD(crit_proto_stop, CRIT_PROTOCOL_STOP);
2439 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH)
2440 CMD(channel_switch, CHANNEL_SWITCH);
2441 CMD(set_qos_map, SET_QOS_MAP);
2442 if (rdev->wiphy.features &
2443 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION)
2444 CMD(add_tx_ts, ADD_TX_TS);
2445 CMD(set_multicast_to_unicast, SET_MULTICAST_TO_UNICAST);
2446 CMD(update_connect_params, UPDATE_CONNECT_PARAMS);
2447 CMD(update_ft_ies, UPDATE_FT_IES);
2448 if (rdev->wiphy.sar_capa)
2449 CMD(set_sar_specs, SET_SAR_SPECS);
2453 nla_nest_end(msg, nl_cmds);
2454 state->split_start++;
2459 if (rdev->ops->remain_on_channel &&
2460 (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) &&
2462 NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION,
2463 rdev->wiphy.max_remain_on_channel_duration))
2464 goto nla_put_failure;
2466 if ((rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) &&
2467 nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK))
2468 goto nla_put_failure;
2470 state->split_start++;
2476 if (nl80211_send_wowlan(msg, rdev, state->split))
2477 goto nla_put_failure;
2478 state->split_start++;
2482 state->split_start++;
2486 if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES,
2487 rdev->wiphy.software_iftypes))
2488 goto nla_put_failure;
2490 if (nl80211_put_iface_combinations(&rdev->wiphy, msg,
2492 goto nla_put_failure;
2494 state->split_start++;
2499 if ((rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) &&
2500 nla_put_u32(msg, NL80211_ATTR_DEVICE_AP_SME,
2501 rdev->wiphy.ap_sme_capa))
2502 goto nla_put_failure;
2504 features = rdev->wiphy.features;
2506 * We can only add the per-channel limit information if the
2507 * dump is split, otherwise it makes it too big. Therefore
2508 * only advertise it in that case.
2511 features |= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS;
2512 if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS, features))
2513 goto nla_put_failure;
2515 if (rdev->wiphy.ht_capa_mod_mask &&
2516 nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK,
2517 sizeof(*rdev->wiphy.ht_capa_mod_mask),
2518 rdev->wiphy.ht_capa_mod_mask))
2519 goto nla_put_failure;
2521 if (rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME &&
2522 rdev->wiphy.max_acl_mac_addrs &&
2523 nla_put_u32(msg, NL80211_ATTR_MAC_ACL_MAX,
2524 rdev->wiphy.max_acl_mac_addrs))
2525 goto nla_put_failure;
2528 * Any information below this point is only available to
2529 * applications that can deal with it being split. This
2530 * helps ensure that newly added capabilities don't break
2531 * older tools by overrunning their buffers.
2533 * We still increment split_start so that in the split
2534 * case we'll continue with more data in the next round,
2535 * but break unconditionally so unsplit data stops here.
2538 state->split_start++;
2540 state->split_start = 0;
2543 if (nl80211_send_mgmt_stypes(msg, mgmt_stypes))
2544 goto nla_put_failure;
2546 if (nla_put_u32(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS,
2547 rdev->wiphy.max_sched_scan_plans) ||
2548 nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL,
2549 rdev->wiphy.max_sched_scan_plan_interval) ||
2550 nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS,
2551 rdev->wiphy.max_sched_scan_plan_iterations))
2552 goto nla_put_failure;
2554 if (rdev->wiphy.extended_capabilities &&
2555 (nla_put(msg, NL80211_ATTR_EXT_CAPA,
2556 rdev->wiphy.extended_capabilities_len,
2557 rdev->wiphy.extended_capabilities) ||
2558 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
2559 rdev->wiphy.extended_capabilities_len,
2560 rdev->wiphy.extended_capabilities_mask)))
2561 goto nla_put_failure;
2563 if (rdev->wiphy.vht_capa_mod_mask &&
2564 nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK,
2565 sizeof(*rdev->wiphy.vht_capa_mod_mask),
2566 rdev->wiphy.vht_capa_mod_mask))
2567 goto nla_put_failure;
2569 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN,
2570 rdev->wiphy.perm_addr))
2571 goto nla_put_failure;
2573 if (!is_zero_ether_addr(rdev->wiphy.addr_mask) &&
2574 nla_put(msg, NL80211_ATTR_MAC_MASK, ETH_ALEN,
2575 rdev->wiphy.addr_mask))
2576 goto nla_put_failure;
2578 if (rdev->wiphy.n_addresses > 1) {
2581 attr = nla_nest_start(msg, NL80211_ATTR_MAC_ADDRS);
2583 goto nla_put_failure;
2585 for (i = 0; i < rdev->wiphy.n_addresses; i++)
2586 if (nla_put(msg, i + 1, ETH_ALEN,
2587 rdev->wiphy.addresses[i].addr))
2588 goto nla_put_failure;
2590 nla_nest_end(msg, attr);
2593 state->split_start++;
2596 if (nl80211_send_coalesce(msg, rdev))
2597 goto nla_put_failure;
2599 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ) &&
2600 (nla_put_flag(msg, NL80211_ATTR_SUPPORT_5_MHZ) ||
2601 nla_put_flag(msg, NL80211_ATTR_SUPPORT_10_MHZ)))
2602 goto nla_put_failure;
2604 if (rdev->wiphy.max_ap_assoc_sta &&
2605 nla_put_u32(msg, NL80211_ATTR_MAX_AP_ASSOC_STA,
2606 rdev->wiphy.max_ap_assoc_sta))
2607 goto nla_put_failure;
2609 state->split_start++;
2612 if (rdev->wiphy.n_vendor_commands) {
2613 const struct nl80211_vendor_cmd_info *info;
2614 struct nlattr *nested;
2616 nested = nla_nest_start_noflag(msg,
2617 NL80211_ATTR_VENDOR_DATA);
2619 goto nla_put_failure;
2621 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
2622 info = &rdev->wiphy.vendor_commands[i].info;
2623 if (nla_put(msg, i + 1, sizeof(*info), info))
2624 goto nla_put_failure;
2626 nla_nest_end(msg, nested);
2629 if (rdev->wiphy.n_vendor_events) {
2630 const struct nl80211_vendor_cmd_info *info;
2631 struct nlattr *nested;
2633 nested = nla_nest_start_noflag(msg,
2634 NL80211_ATTR_VENDOR_EVENTS);
2636 goto nla_put_failure;
2638 for (i = 0; i < rdev->wiphy.n_vendor_events; i++) {
2639 info = &rdev->wiphy.vendor_events[i];
2640 if (nla_put(msg, i + 1, sizeof(*info), info))
2641 goto nla_put_failure;
2643 nla_nest_end(msg, nested);
2645 state->split_start++;
2648 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH &&
2649 nla_put_u8(msg, NL80211_ATTR_MAX_CSA_COUNTERS,
2650 rdev->wiphy.max_num_csa_counters))
2651 goto nla_put_failure;
2653 if (rdev->wiphy.regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
2654 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
2655 goto nla_put_failure;
2657 if (rdev->wiphy.max_sched_scan_reqs &&
2658 nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_MAX_REQS,
2659 rdev->wiphy.max_sched_scan_reqs))
2660 goto nla_put_failure;
2662 if (nla_put(msg, NL80211_ATTR_EXT_FEATURES,
2663 sizeof(rdev->wiphy.ext_features),
2664 rdev->wiphy.ext_features))
2665 goto nla_put_failure;
2667 if (rdev->wiphy.bss_select_support) {
2668 struct nlattr *nested;
2669 u32 bss_select_support = rdev->wiphy.bss_select_support;
2671 nested = nla_nest_start_noflag(msg,
2672 NL80211_ATTR_BSS_SELECT);
2674 goto nla_put_failure;
2677 while (bss_select_support) {
2678 if ((bss_select_support & 1) &&
2679 nla_put_flag(msg, i))
2680 goto nla_put_failure;
2682 bss_select_support >>= 1;
2684 nla_nest_end(msg, nested);
2687 state->split_start++;
2690 if (rdev->wiphy.num_iftype_ext_capab &&
2691 rdev->wiphy.iftype_ext_capab) {
2692 struct nlattr *nested_ext_capab, *nested;
2694 nested = nla_nest_start_noflag(msg,
2695 NL80211_ATTR_IFTYPE_EXT_CAPA);
2697 goto nla_put_failure;
2699 for (i = state->capa_start;
2700 i < rdev->wiphy.num_iftype_ext_capab; i++) {
2701 const struct wiphy_iftype_ext_capab *capab;
2703 capab = &rdev->wiphy.iftype_ext_capab[i];
2705 nested_ext_capab = nla_nest_start_noflag(msg,
2707 if (!nested_ext_capab ||
2708 nla_put_u32(msg, NL80211_ATTR_IFTYPE,
2710 nla_put(msg, NL80211_ATTR_EXT_CAPA,
2711 capab->extended_capabilities_len,
2712 capab->extended_capabilities) ||
2713 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
2714 capab->extended_capabilities_len,
2715 capab->extended_capabilities_mask))
2716 goto nla_put_failure;
2718 nla_nest_end(msg, nested_ext_capab);
2722 nla_nest_end(msg, nested);
2723 if (i < rdev->wiphy.num_iftype_ext_capab) {
2724 state->capa_start = i + 1;
2729 if (nla_put_u32(msg, NL80211_ATTR_BANDS,
2730 rdev->wiphy.nan_supported_bands))
2731 goto nla_put_failure;
2733 if (wiphy_ext_feature_isset(&rdev->wiphy,
2734 NL80211_EXT_FEATURE_TXQS)) {
2735 struct cfg80211_txq_stats txqstats = {};
2738 res = rdev_get_txq_stats(rdev, NULL, &txqstats);
2740 !nl80211_put_txq_stats(msg, &txqstats,
2741 NL80211_ATTR_TXQ_STATS))
2742 goto nla_put_failure;
2744 if (nla_put_u32(msg, NL80211_ATTR_TXQ_LIMIT,
2745 rdev->wiphy.txq_limit))
2746 goto nla_put_failure;
2747 if (nla_put_u32(msg, NL80211_ATTR_TXQ_MEMORY_LIMIT,
2748 rdev->wiphy.txq_memory_limit))
2749 goto nla_put_failure;
2750 if (nla_put_u32(msg, NL80211_ATTR_TXQ_QUANTUM,
2751 rdev->wiphy.txq_quantum))
2752 goto nla_put_failure;
2755 state->split_start++;
2758 if (nl80211_send_pmsr_capa(rdev, msg))
2759 goto nla_put_failure;
2761 state->split_start++;
2764 if (rdev->wiphy.akm_suites &&
2765 nla_put(msg, NL80211_ATTR_AKM_SUITES,
2766 sizeof(u32) * rdev->wiphy.n_akm_suites,
2767 rdev->wiphy.akm_suites))
2768 goto nla_put_failure;
2770 if (nl80211_put_iftype_akm_suites(rdev, msg))
2771 goto nla_put_failure;
2773 if (nl80211_put_tid_config_support(rdev, msg))
2774 goto nla_put_failure;
2775 state->split_start++;
2778 if (nl80211_put_sar_specs(rdev, msg))
2779 goto nla_put_failure;
2782 state->split_start = 0;
2786 genlmsg_end(msg, hdr);
2790 genlmsg_cancel(msg, hdr);
2794 static int nl80211_dump_wiphy_parse(struct sk_buff *skb,
2795 struct netlink_callback *cb,
2796 struct nl80211_dump_wiphy_state *state)
2798 struct nlattr **tb = kcalloc(NUM_NL80211_ATTR, sizeof(*tb), GFP_KERNEL);
2804 ret = nlmsg_parse_deprecated(cb->nlh,
2805 GENL_HDRLEN + nl80211_fam.hdrsize,
2806 tb, nl80211_fam.maxattr,
2807 nl80211_policy, NULL);
2808 /* ignore parse errors for backward compatibility */
2814 state->split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP];
2815 if (tb[NL80211_ATTR_WIPHY])
2816 state->filter_wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
2817 if (tb[NL80211_ATTR_WDEV])
2818 state->filter_wiphy = nla_get_u64(tb[NL80211_ATTR_WDEV]) >> 32;
2819 if (tb[NL80211_ATTR_IFINDEX]) {
2820 struct net_device *netdev;
2821 struct cfg80211_registered_device *rdev;
2822 int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
2824 netdev = __dev_get_by_index(sock_net(skb->sk), ifidx);
2829 if (netdev->ieee80211_ptr) {
2830 rdev = wiphy_to_rdev(
2831 netdev->ieee80211_ptr->wiphy);
2832 state->filter_wiphy = rdev->wiphy_idx;
2842 static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
2845 struct nl80211_dump_wiphy_state *state = (void *)cb->args[0];
2846 struct cfg80211_registered_device *rdev;
2850 state = kzalloc(sizeof(*state), GFP_KERNEL);
2855 state->filter_wiphy = -1;
2856 ret = nl80211_dump_wiphy_parse(skb, cb, state);
2862 cb->args[0] = (long)state;
2865 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
2866 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
2868 if (++idx <= state->start)
2870 if (state->filter_wiphy != -1 &&
2871 state->filter_wiphy != rdev->wiphy_idx)
2873 /* attempt to fit multiple wiphy data chunks into the skb */
2875 ret = nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY,
2877 NETLINK_CB(cb->skb).portid,
2879 NLM_F_MULTI, state);
2882 * If sending the wiphy data didn't fit (ENOBUFS
2883 * or EMSGSIZE returned), this SKB is still
2884 * empty (so it's not too big because another
2885 * wiphy dataset is already in the skb) and
2886 * we've not tried to adjust the dump allocation
2887 * yet ... then adjust the alloc size to be
2888 * bigger, and return 1 but with the empty skb.
2889 * This results in an empty message being RX'ed
2890 * in userspace, but that is ignored.
2892 * We can then retry with the larger buffer.
2894 if ((ret == -ENOBUFS || ret == -EMSGSIZE) &&
2895 !skb->len && !state->split &&
2896 cb->min_dump_alloc < 4096) {
2897 cb->min_dump_alloc = 4096;
2898 state->split_start = 0;
2905 } while (state->split_start > 0);
2915 static int nl80211_dump_wiphy_done(struct netlink_callback *cb)
2917 kfree((void *)cb->args[0]);
2921 static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info)
2923 struct sk_buff *msg;
2924 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2925 struct nl80211_dump_wiphy_state state = {};
2927 msg = nlmsg_new(4096, GFP_KERNEL);
2931 if (nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY, msg,
2932 info->snd_portid, info->snd_seq, 0,
2938 return genlmsg_reply(msg, info);
2941 static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = {
2942 [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 },
2943 [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 },
2944 [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 },
2945 [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 },
2946 [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 },
2949 static int parse_txq_params(struct nlattr *tb[],
2950 struct ieee80211_txq_params *txq_params)
2954 if (!tb[NL80211_TXQ_ATTR_AC] || !tb[NL80211_TXQ_ATTR_TXOP] ||
2955 !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] ||
2956 !tb[NL80211_TXQ_ATTR_AIFS])
2959 ac = nla_get_u8(tb[NL80211_TXQ_ATTR_AC]);
2960 txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]);
2961 txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]);
2962 txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]);
2963 txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]);
2965 if (ac >= NL80211_NUM_ACS)
2967 txq_params->ac = array_index_nospec(ac, NL80211_NUM_ACS);
2971 static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev)
2974 * You can only set the channel explicitly for some interfaces,
2975 * most have their channel managed via their respective
2976 * "establish a connection" command (connect, join, ...)
2978 * For AP/GO and mesh mode, the channel can be set with the
2979 * channel userspace API, but is only stored and passed to the
2980 * low-level driver when the AP starts or the mesh is joined.
2981 * This is for backward compatibility, userspace can also give
2982 * the channel in the start-ap or join-mesh commands instead.
2984 * Monitors are special as they are normally slaved to
2985 * whatever else is going on, so they have their own special
2986 * operation to set the monitor channel if possible.
2989 wdev->iftype == NL80211_IFTYPE_AP ||
2990 wdev->iftype == NL80211_IFTYPE_MESH_POINT ||
2991 wdev->iftype == NL80211_IFTYPE_MONITOR ||
2992 wdev->iftype == NL80211_IFTYPE_P2P_GO;
2995 int nl80211_parse_chandef(struct cfg80211_registered_device *rdev,
2996 struct genl_info *info,
2997 struct cfg80211_chan_def *chandef)
2999 struct netlink_ext_ack *extack = info->extack;
3000 struct nlattr **attrs = info->attrs;
3003 if (!attrs[NL80211_ATTR_WIPHY_FREQ])
3006 control_freq = MHZ_TO_KHZ(
3007 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
3008 if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
3010 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
3012 memset(chandef, 0, sizeof(*chandef));
3013 chandef->chan = ieee80211_get_channel_khz(&rdev->wiphy, control_freq);
3014 chandef->width = NL80211_CHAN_WIDTH_20_NOHT;
3015 chandef->center_freq1 = KHZ_TO_MHZ(control_freq);
3016 chandef->freq1_offset = control_freq % 1000;
3017 chandef->center_freq2 = 0;
3019 /* Primary channel not allowed */
3020 if (!chandef->chan || chandef->chan->flags & IEEE80211_CHAN_DISABLED) {
3021 NL_SET_ERR_MSG_ATTR(extack, attrs[NL80211_ATTR_WIPHY_FREQ],
3022 "Channel is disabled");
3026 if (attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
3027 enum nl80211_channel_type chantype;
3029 chantype = nla_get_u32(attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
3032 case NL80211_CHAN_NO_HT:
3033 case NL80211_CHAN_HT20:
3034 case NL80211_CHAN_HT40PLUS:
3035 case NL80211_CHAN_HT40MINUS:
3036 cfg80211_chandef_create(chandef, chandef->chan,
3038 /* user input for center_freq is incorrect */
3039 if (attrs[NL80211_ATTR_CENTER_FREQ1] &&
3040 chandef->center_freq1 != nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ1])) {
3041 NL_SET_ERR_MSG_ATTR(extack,
3042 attrs[NL80211_ATTR_CENTER_FREQ1],
3043 "bad center frequency 1");
3046 /* center_freq2 must be zero */
3047 if (attrs[NL80211_ATTR_CENTER_FREQ2] &&
3048 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ2])) {
3049 NL_SET_ERR_MSG_ATTR(extack,
3050 attrs[NL80211_ATTR_CENTER_FREQ2],
3051 "center frequency 2 can't be used");
3056 NL_SET_ERR_MSG_ATTR(extack,
3057 attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE],
3058 "invalid channel type");
3061 } else if (attrs[NL80211_ATTR_CHANNEL_WIDTH]) {
3063 nla_get_u32(attrs[NL80211_ATTR_CHANNEL_WIDTH]);
3064 if (attrs[NL80211_ATTR_CENTER_FREQ1]) {
3065 chandef->center_freq1 =
3066 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ1]);
3067 if (attrs[NL80211_ATTR_CENTER_FREQ1_OFFSET])
3068 chandef->freq1_offset = nla_get_u32(
3069 attrs[NL80211_ATTR_CENTER_FREQ1_OFFSET]);
3071 chandef->freq1_offset = 0;
3073 if (attrs[NL80211_ATTR_CENTER_FREQ2])
3074 chandef->center_freq2 =
3075 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ2]);
3078 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]) {
3079 chandef->edmg.channels =
3080 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]);
3082 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG])
3083 chandef->edmg.bw_config =
3084 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG]);
3086 chandef->edmg.bw_config = 0;
3087 chandef->edmg.channels = 0;
3090 if (!cfg80211_chandef_valid(chandef)) {
3091 NL_SET_ERR_MSG(extack, "invalid channel definition");
3095 if (!cfg80211_chandef_usable(&rdev->wiphy, chandef,
3096 IEEE80211_CHAN_DISABLED)) {
3097 NL_SET_ERR_MSG(extack, "(extension) channel is disabled");
3101 if ((chandef->width == NL80211_CHAN_WIDTH_5 ||
3102 chandef->width == NL80211_CHAN_WIDTH_10) &&
3103 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ)) {
3104 NL_SET_ERR_MSG(extack, "5/10 MHz not supported");
3111 static int __nl80211_set_channel(struct cfg80211_registered_device *rdev,
3112 struct net_device *dev,
3113 struct genl_info *info)
3115 struct cfg80211_chan_def chandef;
3117 enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR;
3118 struct wireless_dev *wdev = NULL;
3121 wdev = dev->ieee80211_ptr;
3122 if (!nl80211_can_set_dev_channel(wdev))
3125 iftype = wdev->iftype;
3127 result = nl80211_parse_chandef(rdev, info, &chandef);
3132 case NL80211_IFTYPE_AP:
3133 case NL80211_IFTYPE_P2P_GO:
3134 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
3139 if (wdev->beacon_interval) {
3140 if (!dev || !rdev->ops->set_ap_chanwidth ||
3141 !(rdev->wiphy.features &
3142 NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE)) {
3147 /* Only allow dynamic channel width changes */
3148 if (chandef.chan != wdev->preset_chandef.chan) {
3152 result = rdev_set_ap_chanwidth(rdev, dev, &chandef);
3156 wdev->preset_chandef = chandef;
3159 case NL80211_IFTYPE_MESH_POINT:
3160 result = cfg80211_set_mesh_channel(rdev, wdev, &chandef);
3162 case NL80211_IFTYPE_MONITOR:
3163 result = cfg80211_set_monitor_channel(rdev, &chandef);
3172 static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info)
3174 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3175 struct net_device *netdev = info->user_ptr[1];
3177 return __nl80211_set_channel(rdev, netdev, info);
3180 static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
3182 struct cfg80211_registered_device *rdev = NULL;
3183 struct net_device *netdev = NULL;
3184 struct wireless_dev *wdev;
3185 int result = 0, rem_txq_params = 0;
3186 struct nlattr *nl_txq_params;
3188 u8 retry_short = 0, retry_long = 0;
3189 u32 frag_threshold = 0, rts_threshold = 0;
3190 u8 coverage_class = 0;
3191 u32 txq_limit = 0, txq_memory_limit = 0, txq_quantum = 0;
3195 * Try to find the wiphy and netdev. Normally this
3196 * function shouldn't need the netdev, but this is
3197 * done for backward compatibility -- previously
3198 * setting the channel was done per wiphy, but now
3199 * it is per netdev. Previous userland like hostapd
3200 * also passed a netdev to set_wiphy, so that it is
3201 * possible to let that go to the right netdev!
3204 if (info->attrs[NL80211_ATTR_IFINDEX]) {
3205 int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]);
3207 netdev = __dev_get_by_index(genl_info_net(info), ifindex);
3208 if (netdev && netdev->ieee80211_ptr)
3209 rdev = wiphy_to_rdev(netdev->ieee80211_ptr->wiphy);
3215 rdev = __cfg80211_rdev_from_attrs(genl_info_net(info),
3219 return PTR_ERR(rdev);
3225 wdev = netdev->ieee80211_ptr;
3227 wiphy_lock(&rdev->wiphy);
3230 * end workaround code, by now the rdev is available
3231 * and locked, and wdev may or may not be NULL.
3234 if (info->attrs[NL80211_ATTR_WIPHY_NAME])
3235 result = cfg80211_dev_rename(
3236 rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME]));
3242 if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) {
3243 struct ieee80211_txq_params txq_params;
3244 struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1];
3246 if (!rdev->ops->set_txq_params) {
3247 result = -EOPNOTSUPP;
3256 if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
3257 netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
3262 if (!netif_running(netdev)) {
3267 nla_for_each_nested(nl_txq_params,
3268 info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS],
3270 result = nla_parse_nested_deprecated(tb,
3271 NL80211_TXQ_ATTR_MAX,
3277 result = parse_txq_params(tb, &txq_params);
3281 result = rdev_set_txq_params(rdev, netdev,
3288 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
3289 result = __nl80211_set_channel(
3291 nl80211_can_set_dev_channel(wdev) ? netdev : NULL,
3297 if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) {
3298 struct wireless_dev *txp_wdev = wdev;
3299 enum nl80211_tx_power_setting type;
3302 if (!(rdev->wiphy.features & NL80211_FEATURE_VIF_TXPOWER))
3305 if (!rdev->ops->set_tx_power) {
3306 result = -EOPNOTSUPP;
3310 idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING;
3311 type = nla_get_u32(info->attrs[idx]);
3313 if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] &&
3314 (type != NL80211_TX_POWER_AUTOMATIC)) {
3319 if (type != NL80211_TX_POWER_AUTOMATIC) {
3320 idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL;
3321 mbm = nla_get_u32(info->attrs[idx]);
3324 result = rdev_set_tx_power(rdev, txp_wdev, type, mbm);
3329 if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] &&
3330 info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) {
3333 if ((!rdev->wiphy.available_antennas_tx &&
3334 !rdev->wiphy.available_antennas_rx) ||
3335 !rdev->ops->set_antenna) {
3336 result = -EOPNOTSUPP;
3340 tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]);
3341 rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]);
3343 /* reject antenna configurations which don't match the
3344 * available antenna masks, except for the "all" mask */
3345 if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) ||
3346 (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx))) {
3351 tx_ant = tx_ant & rdev->wiphy.available_antennas_tx;
3352 rx_ant = rx_ant & rdev->wiphy.available_antennas_rx;
3354 result = rdev_set_antenna(rdev, tx_ant, rx_ant);
3361 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) {
3362 retry_short = nla_get_u8(
3363 info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]);
3365 changed |= WIPHY_PARAM_RETRY_SHORT;
3368 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) {
3369 retry_long = nla_get_u8(
3370 info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]);
3372 changed |= WIPHY_PARAM_RETRY_LONG;
3375 if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) {
3376 frag_threshold = nla_get_u32(
3377 info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]);
3378 if (frag_threshold < 256) {
3383 if (frag_threshold != (u32) -1) {
3385 * Fragments (apart from the last one) are required to
3386 * have even length. Make the fragmentation code
3387 * simpler by stripping LSB should someone try to use
3388 * odd threshold value.
3390 frag_threshold &= ~0x1;
3392 changed |= WIPHY_PARAM_FRAG_THRESHOLD;
3395 if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) {
3396 rts_threshold = nla_get_u32(
3397 info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]);
3398 changed |= WIPHY_PARAM_RTS_THRESHOLD;
3401 if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) {
3402 if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) {
3407 coverage_class = nla_get_u8(
3408 info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]);
3409 changed |= WIPHY_PARAM_COVERAGE_CLASS;
3412 if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) {
3413 if (!(rdev->wiphy.features & NL80211_FEATURE_ACKTO_ESTIMATION)) {
3414 result = -EOPNOTSUPP;
3418 changed |= WIPHY_PARAM_DYN_ACK;
3421 if (info->attrs[NL80211_ATTR_TXQ_LIMIT]) {
3422 if (!wiphy_ext_feature_isset(&rdev->wiphy,
3423 NL80211_EXT_FEATURE_TXQS)) {
3424 result = -EOPNOTSUPP;
3427 txq_limit = nla_get_u32(
3428 info->attrs[NL80211_ATTR_TXQ_LIMIT]);
3429 changed |= WIPHY_PARAM_TXQ_LIMIT;
3432 if (info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]) {
3433 if (!wiphy_ext_feature_isset(&rdev->wiphy,
3434 NL80211_EXT_FEATURE_TXQS)) {
3435 result = -EOPNOTSUPP;
3438 txq_memory_limit = nla_get_u32(
3439 info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]);
3440 changed |= WIPHY_PARAM_TXQ_MEMORY_LIMIT;
3443 if (info->attrs[NL80211_ATTR_TXQ_QUANTUM]) {
3444 if (!wiphy_ext_feature_isset(&rdev->wiphy,
3445 NL80211_EXT_FEATURE_TXQS)) {
3446 result = -EOPNOTSUPP;
3449 txq_quantum = nla_get_u32(
3450 info->attrs[NL80211_ATTR_TXQ_QUANTUM]);
3451 changed |= WIPHY_PARAM_TXQ_QUANTUM;
3455 u8 old_retry_short, old_retry_long;
3456 u32 old_frag_threshold, old_rts_threshold;
3457 u8 old_coverage_class;
3458 u32 old_txq_limit, old_txq_memory_limit, old_txq_quantum;
3460 if (!rdev->ops->set_wiphy_params) {
3461 result = -EOPNOTSUPP;
3465 old_retry_short = rdev->wiphy.retry_short;
3466 old_retry_long = rdev->wiphy.retry_long;
3467 old_frag_threshold = rdev->wiphy.frag_threshold;
3468 old_rts_threshold = rdev->wiphy.rts_threshold;
3469 old_coverage_class = rdev->wiphy.coverage_class;
3470 old_txq_limit = rdev->wiphy.txq_limit;
3471 old_txq_memory_limit = rdev->wiphy.txq_memory_limit;
3472 old_txq_quantum = rdev->wiphy.txq_quantum;
3474 if (changed & WIPHY_PARAM_RETRY_SHORT)
3475 rdev->wiphy.retry_short = retry_short;
3476 if (changed & WIPHY_PARAM_RETRY_LONG)
3477 rdev->wiphy.retry_long = retry_long;
3478 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
3479 rdev->wiphy.frag_threshold = frag_threshold;
3480 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
3481 rdev->wiphy.rts_threshold = rts_threshold;
3482 if (changed & WIPHY_PARAM_COVERAGE_CLASS)
3483 rdev->wiphy.coverage_class = coverage_class;
3484 if (changed & WIPHY_PARAM_TXQ_LIMIT)
3485 rdev->wiphy.txq_limit = txq_limit;
3486 if (changed & WIPHY_PARAM_TXQ_MEMORY_LIMIT)
3487 rdev->wiphy.txq_memory_limit = txq_memory_limit;
3488 if (changed & WIPHY_PARAM_TXQ_QUANTUM)
3489 rdev->wiphy.txq_quantum = txq_quantum;
3491 result = rdev_set_wiphy_params(rdev, changed);
3493 rdev->wiphy.retry_short = old_retry_short;
3494 rdev->wiphy.retry_long = old_retry_long;
3495 rdev->wiphy.frag_threshold = old_frag_threshold;
3496 rdev->wiphy.rts_threshold = old_rts_threshold;
3497 rdev->wiphy.coverage_class = old_coverage_class;
3498 rdev->wiphy.txq_limit = old_txq_limit;
3499 rdev->wiphy.txq_memory_limit = old_txq_memory_limit;
3500 rdev->wiphy.txq_quantum = old_txq_quantum;
3508 wiphy_unlock(&rdev->wiphy);
3512 static int nl80211_send_chandef(struct sk_buff *msg,
3513 const struct cfg80211_chan_def *chandef)
3515 if (WARN_ON(!cfg80211_chandef_valid(chandef)))
3518 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
3519 chandef->chan->center_freq))
3521 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_OFFSET,
3522 chandef->chan->freq_offset))
3524 switch (chandef->width) {
3525 case NL80211_CHAN_WIDTH_20_NOHT:
3526 case NL80211_CHAN_WIDTH_20:
3527 case NL80211_CHAN_WIDTH_40:
3528 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
3529 cfg80211_get_chandef_type(chandef)))
3535 if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, chandef->width))
3537 if (nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, chandef->center_freq1))
3539 if (chandef->center_freq2 &&
3540 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, chandef->center_freq2))
3545 static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags,
3546 struct cfg80211_registered_device *rdev,
3547 struct wireless_dev *wdev,
3548 enum nl80211_commands cmd)
3550 struct net_device *dev = wdev->netdev;
3553 WARN_ON(cmd != NL80211_CMD_NEW_INTERFACE &&
3554 cmd != NL80211_CMD_DEL_INTERFACE &&
3555 cmd != NL80211_CMD_SET_INTERFACE);
3557 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
3562 (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
3563 nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name)))
3564 goto nla_put_failure;
3566 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
3567 nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) ||
3568 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
3569 NL80211_ATTR_PAD) ||
3570 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) ||
3571 nla_put_u32(msg, NL80211_ATTR_GENERATION,
3572 rdev->devlist_generation ^
3573 (cfg80211_rdev_list_generation << 2)) ||
3574 nla_put_u8(msg, NL80211_ATTR_4ADDR, wdev->use_4addr))
3575 goto nla_put_failure;
3577 if (rdev->ops->get_channel) {
3579 struct cfg80211_chan_def chandef = {};
3581 ret = rdev_get_channel(rdev, wdev, &chandef);
3583 if (nl80211_send_chandef(msg, &chandef))
3584 goto nla_put_failure;
3588 if (rdev->ops->get_tx_power) {
3591 ret = rdev_get_tx_power(rdev, wdev, &dbm);
3593 nla_put_u32(msg, NL80211_ATTR_WIPHY_TX_POWER_LEVEL,
3595 goto nla_put_failure;
3599 switch (wdev->iftype) {
3600 case NL80211_IFTYPE_AP:
3601 if (wdev->ssid_len &&
3602 nla_put(msg, NL80211_ATTR_SSID, wdev->ssid_len, wdev->ssid))
3603 goto nla_put_failure_locked;
3605 case NL80211_IFTYPE_STATION:
3606 case NL80211_IFTYPE_P2P_CLIENT:
3607 case NL80211_IFTYPE_ADHOC: {
3609 if (!wdev->current_bss)
3612 ssid_ie = ieee80211_bss_get_ie(&wdev->current_bss->pub,
3615 nla_put(msg, NL80211_ATTR_SSID, ssid_ie[1], ssid_ie + 2))
3616 goto nla_put_failure_rcu_locked;
3626 if (rdev->ops->get_txq_stats) {
3627 struct cfg80211_txq_stats txqstats = {};
3628 int ret = rdev_get_txq_stats(rdev, wdev, &txqstats);
3631 !nl80211_put_txq_stats(msg, &txqstats,
3632 NL80211_ATTR_TXQ_STATS))
3633 goto nla_put_failure;
3636 genlmsg_end(msg, hdr);
3639 nla_put_failure_rcu_locked:
3641 nla_put_failure_locked:
3644 genlmsg_cancel(msg, hdr);
3648 static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb)
3652 int wp_start = cb->args[0];
3653 int if_start = cb->args[1];
3654 int filter_wiphy = -1;
3655 struct cfg80211_registered_device *rdev;
3656 struct wireless_dev *wdev;
3661 struct nl80211_dump_wiphy_state state = {
3665 ret = nl80211_dump_wiphy_parse(skb, cb, &state);
3669 filter_wiphy = state.filter_wiphy;
3672 * if filtering, set cb->args[2] to +1 since 0 is the default
3673 * value needed to determine that parsing is necessary.
3675 if (filter_wiphy >= 0)
3676 cb->args[2] = filter_wiphy + 1;
3679 } else if (cb->args[2] > 0) {
3680 filter_wiphy = cb->args[2] - 1;
3683 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
3684 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
3686 if (wp_idx < wp_start) {
3691 if (filter_wiphy >= 0 && filter_wiphy != rdev->wiphy_idx)
3696 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
3697 if (if_idx < if_start) {
3701 if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid,
3702 cb->nlh->nlmsg_seq, NLM_F_MULTI,
3704 NL80211_CMD_NEW_INTERFACE) < 0) {
3713 cb->args[0] = wp_idx;
3714 cb->args[1] = if_idx;
3723 static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info)
3725 struct sk_buff *msg;
3726 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3727 struct wireless_dev *wdev = info->user_ptr[1];
3729 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
3733 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
3734 rdev, wdev, NL80211_CMD_NEW_INTERFACE) < 0) {
3739 return genlmsg_reply(msg, info);
3742 static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = {
3743 [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG },
3744 [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG },
3745 [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG },
3746 [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG },
3747 [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG },
3748 [NL80211_MNTR_FLAG_ACTIVE] = { .type = NLA_FLAG },
3751 static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags)
3753 struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1];
3761 if (nla_parse_nested_deprecated(flags, NL80211_MNTR_FLAG_MAX, nla, mntr_flags_policy, NULL))
3764 for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++)
3766 *mntrflags |= (1<<flag);
3768 *mntrflags |= MONITOR_FLAG_CHANGED;
3773 static int nl80211_parse_mon_options(struct cfg80211_registered_device *rdev,
3774 enum nl80211_iftype type,
3775 struct genl_info *info,
3776 struct vif_params *params)
3778 bool change = false;
3781 if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) {
3782 if (type != NL80211_IFTYPE_MONITOR)
3785 err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS],
3793 if (params->flags & MONITOR_FLAG_ACTIVE &&
3794 !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR))
3797 if (info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]) {
3798 const u8 *mumimo_groups;
3799 u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER;
3801 if (type != NL80211_IFTYPE_MONITOR)
3804 if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag))
3808 nla_data(info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]);
3810 /* bits 0 and 63 are reserved and must be zero */
3811 if ((mumimo_groups[0] & BIT(0)) ||
3812 (mumimo_groups[VHT_MUMIMO_GROUPS_DATA_LEN - 1] & BIT(7)))
3815 params->vht_mumimo_groups = mumimo_groups;
3819 if (info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]) {
3820 u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER;
3822 if (type != NL80211_IFTYPE_MONITOR)
3825 if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag))
3828 params->vht_mumimo_follow_addr =
3829 nla_data(info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]);
3833 return change ? 1 : 0;
3836 static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev,
3837 struct net_device *netdev, u8 use_4addr,
3838 enum nl80211_iftype iftype)
3841 if (netdev && netif_is_bridge_port(netdev))
3847 case NL80211_IFTYPE_AP_VLAN:
3848 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP)
3851 case NL80211_IFTYPE_STATION:
3852 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION)
3862 static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
3864 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3865 struct vif_params params;
3867 enum nl80211_iftype otype, ntype;
3868 struct net_device *dev = info->user_ptr[1];
3869 bool change = false;
3871 memset(¶ms, 0, sizeof(params));
3873 otype = ntype = dev->ieee80211_ptr->iftype;
3875 if (info->attrs[NL80211_ATTR_IFTYPE]) {
3876 ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
3881 if (info->attrs[NL80211_ATTR_MESH_ID]) {
3882 struct wireless_dev *wdev = dev->ieee80211_ptr;
3884 if (ntype != NL80211_IFTYPE_MESH_POINT)
3886 if (netif_running(dev))
3890 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
3891 IEEE80211_MAX_MESH_ID_LEN);
3892 wdev->mesh_id_up_len =
3893 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
3894 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
3895 wdev->mesh_id_up_len);
3899 if (info->attrs[NL80211_ATTR_4ADDR]) {
3900 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
3902 err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype);
3906 params.use_4addr = -1;
3909 err = nl80211_parse_mon_options(rdev, ntype, info, ¶ms);
3916 err = cfg80211_change_iface(rdev, dev, ntype, ¶ms);
3920 if (!err && params.use_4addr != -1)
3921 dev->ieee80211_ptr->use_4addr = params.use_4addr;
3923 if (change && !err) {
3924 struct wireless_dev *wdev = dev->ieee80211_ptr;
3926 nl80211_notify_iface(rdev, wdev, NL80211_CMD_SET_INTERFACE);
3932 static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
3934 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3935 struct vif_params params;
3936 struct wireless_dev *wdev;
3937 struct sk_buff *msg;
3939 enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED;
3941 /* to avoid failing a new interface creation due to pending removal */
3942 cfg80211_destroy_ifaces(rdev);
3944 memset(¶ms, 0, sizeof(params));
3946 if (!info->attrs[NL80211_ATTR_IFNAME])
3949 if (info->attrs[NL80211_ATTR_IFTYPE])
3950 type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
3952 if (!rdev->ops->add_virtual_intf)
3955 if ((type == NL80211_IFTYPE_P2P_DEVICE || type == NL80211_IFTYPE_NAN ||
3956 rdev->wiphy.features & NL80211_FEATURE_MAC_ON_CREATE) &&
3957 info->attrs[NL80211_ATTR_MAC]) {
3958 nla_memcpy(params.macaddr, info->attrs[NL80211_ATTR_MAC],
3960 if (!is_valid_ether_addr(params.macaddr))
3961 return -EADDRNOTAVAIL;
3964 if (info->attrs[NL80211_ATTR_4ADDR]) {
3965 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
3966 err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type);
3971 if (!cfg80211_iftype_allowed(&rdev->wiphy, type, params.use_4addr, 0))
3974 err = nl80211_parse_mon_options(rdev, type, info, ¶ms);
3978 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
3982 wdev = rdev_add_virtual_intf(rdev,
3983 nla_data(info->attrs[NL80211_ATTR_IFNAME]),
3984 NET_NAME_USER, type, ¶ms);
3985 if (WARN_ON(!wdev)) {
3988 } else if (IS_ERR(wdev)) {
3990 return PTR_ERR(wdev);
3993 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
3994 wdev->owner_nlportid = info->snd_portid;
3997 case NL80211_IFTYPE_MESH_POINT:
3998 if (!info->attrs[NL80211_ATTR_MESH_ID])
4001 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
4002 IEEE80211_MAX_MESH_ID_LEN);
4003 wdev->mesh_id_up_len =
4004 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
4005 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
4006 wdev->mesh_id_up_len);
4009 case NL80211_IFTYPE_NAN:
4010 case NL80211_IFTYPE_P2P_DEVICE:
4012 * P2P Device and NAN do not have a netdev, so don't go
4013 * through the netdev notifier and must be added here
4015 cfg80211_init_wdev(wdev);
4016 cfg80211_register_wdev(rdev, wdev);
4022 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
4023 rdev, wdev, NL80211_CMD_NEW_INTERFACE) < 0) {
4028 return genlmsg_reply(msg, info);
4031 static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info)
4033 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4034 struct wireless_dev *wdev = info->user_ptr[1];
4036 if (!rdev->ops->del_virtual_intf)
4040 * We hold RTNL, so this is safe, without RTNL opencount cannot
4041 * reach 0, and thus the rdev cannot be deleted.
4043 * We need to do it for the dev_close(), since that will call
4044 * the netdev notifiers, and we need to acquire the mutex there
4045 * but don't know if we get there from here or from some other
4046 * place (e.g. "ip link set ... down").
4048 mutex_unlock(&rdev->wiphy.mtx);
4051 * If we remove a wireless device without a netdev then clear
4052 * user_ptr[1] so that nl80211_post_doit won't dereference it
4053 * to check if it needs to do dev_put(). Otherwise it crashes
4054 * since the wdev has been freed, unlike with a netdev where
4055 * we need the dev_put() for the netdev to really be freed.
4058 info->user_ptr[1] = NULL;
4060 dev_close(wdev->netdev);
4062 mutex_lock(&rdev->wiphy.mtx);
4064 return rdev_del_virtual_intf(rdev, wdev);
4067 static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info)
4069 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4070 struct net_device *dev = info->user_ptr[1];
4073 if (!info->attrs[NL80211_ATTR_NOACK_MAP])
4076 if (!rdev->ops->set_noack_map)
4079 noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]);
4081 return rdev_set_noack_map(rdev, dev, noack_map);
4084 struct get_key_cookie {
4085 struct sk_buff *msg;
4090 static void get_key_callback(void *c, struct key_params *params)
4093 struct get_key_cookie *cookie = c;
4096 nla_put(cookie->msg, NL80211_ATTR_KEY_DATA,
4097 params->key_len, params->key)) ||
4099 nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ,
4100 params->seq_len, params->seq)) ||
4102 nla_put_u32(cookie->msg, NL80211_ATTR_KEY_CIPHER,
4104 goto nla_put_failure;
4106 key = nla_nest_start_noflag(cookie->msg, NL80211_ATTR_KEY);
4108 goto nla_put_failure;
4111 nla_put(cookie->msg, NL80211_KEY_DATA,
4112 params->key_len, params->key)) ||
4114 nla_put(cookie->msg, NL80211_KEY_SEQ,
4115 params->seq_len, params->seq)) ||
4117 nla_put_u32(cookie->msg, NL80211_KEY_CIPHER,
4119 goto nla_put_failure;
4121 if (nla_put_u8(cookie->msg, NL80211_KEY_IDX, cookie->idx))
4122 goto nla_put_failure;
4124 nla_nest_end(cookie->msg, key);
4131 static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info)
4133 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4135 struct net_device *dev = info->user_ptr[1];
4137 const u8 *mac_addr = NULL;
4139 struct get_key_cookie cookie = {
4143 struct sk_buff *msg;
4144 bool bigtk_support = false;
4146 if (wiphy_ext_feature_isset(&rdev->wiphy,
4147 NL80211_EXT_FEATURE_BEACON_PROTECTION))
4148 bigtk_support = true;
4150 if ((dev->ieee80211_ptr->iftype == NL80211_IFTYPE_STATION ||
4151 dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_CLIENT) &&
4152 wiphy_ext_feature_isset(&rdev->wiphy,
4153 NL80211_EXT_FEATURE_BEACON_PROTECTION_CLIENT))
4154 bigtk_support = true;
4156 if (info->attrs[NL80211_ATTR_KEY_IDX]) {
4157 key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
4159 if (key_idx >= 6 && key_idx <= 7 && !bigtk_support) {
4160 GENL_SET_ERR_MSG(info, "BIGTK not supported");
4165 if (info->attrs[NL80211_ATTR_MAC])
4166 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4168 pairwise = !!mac_addr;
4169 if (info->attrs[NL80211_ATTR_KEY_TYPE]) {
4170 u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
4172 if (kt != NL80211_KEYTYPE_GROUP &&
4173 kt != NL80211_KEYTYPE_PAIRWISE)
4175 pairwise = kt == NL80211_KEYTYPE_PAIRWISE;
4178 if (!rdev->ops->get_key)
4181 if (!pairwise && mac_addr && !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
4184 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4188 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
4189 NL80211_CMD_NEW_KEY);
4191 goto nla_put_failure;
4194 cookie.idx = key_idx;
4196 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
4197 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx))
4198 goto nla_put_failure;
4200 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr))
4201 goto nla_put_failure;
4203 err = rdev_get_key(rdev, dev, key_idx, pairwise, mac_addr, &cookie,
4210 goto nla_put_failure;
4212 genlmsg_end(msg, hdr);
4213 return genlmsg_reply(msg, info);
4222 static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info)
4224 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4225 struct key_parse key;
4227 struct net_device *dev = info->user_ptr[1];
4229 err = nl80211_parse_key(info, &key);
4236 /* Only support setting default key and
4237 * Extended Key ID action NL80211_KEY_SET_TX.
4239 if (!key.def && !key.defmgmt && !key.defbeacon &&
4240 !(key.p.mode == NL80211_KEY_SET_TX))
4243 wdev_lock(dev->ieee80211_ptr);
4246 if (!rdev->ops->set_default_key) {
4251 err = nl80211_key_allowed(dev->ieee80211_ptr);
4255 err = rdev_set_default_key(rdev, dev, key.idx,
4256 key.def_uni, key.def_multi);
4261 #ifdef CONFIG_CFG80211_WEXT
4262 dev->ieee80211_ptr->wext.default_key = key.idx;
4264 } else if (key.defmgmt) {
4265 if (key.def_uni || !key.def_multi) {
4270 if (!rdev->ops->set_default_mgmt_key) {
4275 err = nl80211_key_allowed(dev->ieee80211_ptr);
4279 err = rdev_set_default_mgmt_key(rdev, dev, key.idx);
4283 #ifdef CONFIG_CFG80211_WEXT
4284 dev->ieee80211_ptr->wext.default_mgmt_key = key.idx;
4286 } else if (key.defbeacon) {
4287 if (key.def_uni || !key.def_multi) {
4292 if (!rdev->ops->set_default_beacon_key) {
4297 err = nl80211_key_allowed(dev->ieee80211_ptr);
4301 err = rdev_set_default_beacon_key(rdev, dev, key.idx);
4304 } else if (key.p.mode == NL80211_KEY_SET_TX &&
4305 wiphy_ext_feature_isset(&rdev->wiphy,
4306 NL80211_EXT_FEATURE_EXT_KEY_ID)) {
4307 u8 *mac_addr = NULL;
4309 if (info->attrs[NL80211_ATTR_MAC])
4310 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4312 if (!mac_addr || key.idx < 0 || key.idx > 1) {
4317 err = rdev_add_key(rdev, dev, key.idx,
4318 NL80211_KEYTYPE_PAIRWISE,
4324 wdev_unlock(dev->ieee80211_ptr);
4329 static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info)
4331 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4333 struct net_device *dev = info->user_ptr[1];
4334 struct key_parse key;
4335 const u8 *mac_addr = NULL;
4337 err = nl80211_parse_key(info, &key);
4342 GENL_SET_ERR_MSG(info, "no key");
4346 if (info->attrs[NL80211_ATTR_MAC])
4347 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4349 if (key.type == -1) {
4351 key.type = NL80211_KEYTYPE_PAIRWISE;
4353 key.type = NL80211_KEYTYPE_GROUP;
4357 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
4358 key.type != NL80211_KEYTYPE_GROUP) {
4359 GENL_SET_ERR_MSG(info, "key type not pairwise or group");
4363 if (key.type == NL80211_KEYTYPE_GROUP &&
4364 info->attrs[NL80211_ATTR_VLAN_ID])
4365 key.p.vlan_id = nla_get_u16(info->attrs[NL80211_ATTR_VLAN_ID]);
4367 if (!rdev->ops->add_key)
4370 if (cfg80211_validate_key_settings(rdev, &key.p, key.idx,
4371 key.type == NL80211_KEYTYPE_PAIRWISE,
4373 GENL_SET_ERR_MSG(info, "key setting validation failed");
4377 wdev_lock(dev->ieee80211_ptr);
4378 err = nl80211_key_allowed(dev->ieee80211_ptr);
4380 GENL_SET_ERR_MSG(info, "key not allowed");
4382 err = rdev_add_key(rdev, dev, key.idx,
4383 key.type == NL80211_KEYTYPE_PAIRWISE,
4386 GENL_SET_ERR_MSG(info, "key addition failed");
4388 wdev_unlock(dev->ieee80211_ptr);
4393 static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
4395 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4397 struct net_device *dev = info->user_ptr[1];
4398 u8 *mac_addr = NULL;
4399 struct key_parse key;
4401 err = nl80211_parse_key(info, &key);
4405 if (info->attrs[NL80211_ATTR_MAC])
4406 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4408 if (key.type == -1) {
4410 key.type = NL80211_KEYTYPE_PAIRWISE;
4412 key.type = NL80211_KEYTYPE_GROUP;
4416 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
4417 key.type != NL80211_KEYTYPE_GROUP)
4420 if (!cfg80211_valid_key_idx(rdev, key.idx,
4421 key.type == NL80211_KEYTYPE_PAIRWISE))
4424 if (!rdev->ops->del_key)
4427 wdev_lock(dev->ieee80211_ptr);
4428 err = nl80211_key_allowed(dev->ieee80211_ptr);
4430 if (key.type == NL80211_KEYTYPE_GROUP && mac_addr &&
4431 !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
4435 err = rdev_del_key(rdev, dev, key.idx,
4436 key.type == NL80211_KEYTYPE_PAIRWISE,
4439 #ifdef CONFIG_CFG80211_WEXT
4441 if (key.idx == dev->ieee80211_ptr->wext.default_key)
4442 dev->ieee80211_ptr->wext.default_key = -1;
4443 else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key)
4444 dev->ieee80211_ptr->wext.default_mgmt_key = -1;
4447 wdev_unlock(dev->ieee80211_ptr);
4452 /* This function returns an error or the number of nested attributes */
4453 static int validate_acl_mac_addrs(struct nlattr *nl_attr)
4455 struct nlattr *attr;
4456 int n_entries = 0, tmp;
4458 nla_for_each_nested(attr, nl_attr, tmp) {
4459 if (nla_len(attr) != ETH_ALEN)
4469 * This function parses ACL information and allocates memory for ACL data.
4470 * On successful return, the calling function is responsible to free the
4471 * ACL buffer returned by this function.
4473 static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy,
4474 struct genl_info *info)
4476 enum nl80211_acl_policy acl_policy;
4477 struct nlattr *attr;
4478 struct cfg80211_acl_data *acl;
4479 int i = 0, n_entries, tmp;
4481 if (!wiphy->max_acl_mac_addrs)
4482 return ERR_PTR(-EOPNOTSUPP);
4484 if (!info->attrs[NL80211_ATTR_ACL_POLICY])
4485 return ERR_PTR(-EINVAL);
4487 acl_policy = nla_get_u32(info->attrs[NL80211_ATTR_ACL_POLICY]);
4488 if (acl_policy != NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED &&
4489 acl_policy != NL80211_ACL_POLICY_DENY_UNLESS_LISTED)
4490 return ERR_PTR(-EINVAL);
4492 if (!info->attrs[NL80211_ATTR_MAC_ADDRS])
4493 return ERR_PTR(-EINVAL);
4495 n_entries = validate_acl_mac_addrs(info->attrs[NL80211_ATTR_MAC_ADDRS]);
4497 return ERR_PTR(n_entries);
4499 if (n_entries > wiphy->max_acl_mac_addrs)
4500 return ERR_PTR(-ENOTSUPP);
4502 acl = kzalloc(struct_size(acl, mac_addrs, n_entries), GFP_KERNEL);
4504 return ERR_PTR(-ENOMEM);
4506 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_MAC_ADDRS], tmp) {
4507 memcpy(acl->mac_addrs[i].addr, nla_data(attr), ETH_ALEN);
4511 acl->n_acl_entries = n_entries;
4512 acl->acl_policy = acl_policy;
4517 static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info)
4519 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4520 struct net_device *dev = info->user_ptr[1];
4521 struct cfg80211_acl_data *acl;
4524 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4525 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4528 if (!dev->ieee80211_ptr->beacon_interval)
4531 acl = parse_acl_data(&rdev->wiphy, info);
4533 return PTR_ERR(acl);
4535 err = rdev_set_mac_acl(rdev, dev, acl);
4542 static u32 rateset_to_mask(struct ieee80211_supported_band *sband,
4543 u8 *rates, u8 rates_len)
4548 for (i = 0; i < rates_len; i++) {
4549 int rate = (rates[i] & 0x7f) * 5;
4552 for (ridx = 0; ridx < sband->n_bitrates; ridx++) {
4553 struct ieee80211_rate *srate =
4554 &sband->bitrates[ridx];
4555 if (rate == srate->bitrate) {
4560 if (ridx == sband->n_bitrates)
4561 return 0; /* rate not found */
4567 static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband,
4568 u8 *rates, u8 rates_len,
4569 u8 mcs[IEEE80211_HT_MCS_MASK_LEN])
4573 memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN);
4575 for (i = 0; i < rates_len; i++) {
4578 ridx = rates[i] / 8;
4579 rbit = BIT(rates[i] % 8);
4581 /* check validity */
4582 if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN))
4585 /* check availability */
4586 ridx = array_index_nospec(ridx, IEEE80211_HT_MCS_MASK_LEN);
4587 if (sband->ht_cap.mcs.rx_mask[ridx] & rbit)
4596 static u16 vht_mcs_map_to_mcs_mask(u8 vht_mcs_map)
4600 switch (vht_mcs_map) {
4601 case IEEE80211_VHT_MCS_NOT_SUPPORTED:
4603 case IEEE80211_VHT_MCS_SUPPORT_0_7:
4606 case IEEE80211_VHT_MCS_SUPPORT_0_8:
4609 case IEEE80211_VHT_MCS_SUPPORT_0_9:
4619 static void vht_build_mcs_mask(u16 vht_mcs_map,
4620 u16 vht_mcs_mask[NL80211_VHT_NSS_MAX])
4624 for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) {
4625 vht_mcs_mask[nss] = vht_mcs_map_to_mcs_mask(vht_mcs_map & 0x03);
4630 static bool vht_set_mcs_mask(struct ieee80211_supported_band *sband,
4631 struct nl80211_txrate_vht *txrate,
4632 u16 mcs[NL80211_VHT_NSS_MAX])
4634 u16 tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
4635 u16 tx_mcs_mask[NL80211_VHT_NSS_MAX] = {};
4638 if (!sband->vht_cap.vht_supported)
4641 memset(mcs, 0, sizeof(u16) * NL80211_VHT_NSS_MAX);
4643 /* Build vht_mcs_mask from VHT capabilities */
4644 vht_build_mcs_mask(tx_mcs_map, tx_mcs_mask);
4646 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
4647 if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i])
4648 mcs[i] = txrate->mcs[i];
4656 static u16 he_mcs_map_to_mcs_mask(u8 he_mcs_map)
4658 switch (he_mcs_map) {
4659 case IEEE80211_HE_MCS_NOT_SUPPORTED:
4661 case IEEE80211_HE_MCS_SUPPORT_0_7:
4663 case IEEE80211_HE_MCS_SUPPORT_0_9:
4665 case IEEE80211_HE_MCS_SUPPORT_0_11:
4673 static void he_build_mcs_mask(u16 he_mcs_map,
4674 u16 he_mcs_mask[NL80211_HE_NSS_MAX])
4678 for (nss = 0; nss < NL80211_HE_NSS_MAX; nss++) {
4679 he_mcs_mask[nss] = he_mcs_map_to_mcs_mask(he_mcs_map & 0x03);
4684 static u16 he_get_txmcsmap(struct genl_info *info,
4685 const struct ieee80211_sta_he_cap *he_cap)
4687 struct net_device *dev = info->user_ptr[1];
4688 struct wireless_dev *wdev = dev->ieee80211_ptr;
4691 switch (wdev->chandef.width) {
4692 case NL80211_CHAN_WIDTH_80P80:
4693 tx_mcs = he_cap->he_mcs_nss_supp.tx_mcs_80p80;
4695 case NL80211_CHAN_WIDTH_160:
4696 tx_mcs = he_cap->he_mcs_nss_supp.tx_mcs_160;
4699 tx_mcs = he_cap->he_mcs_nss_supp.tx_mcs_80;
4702 return le16_to_cpu(tx_mcs);
4705 static bool he_set_mcs_mask(struct genl_info *info,
4706 struct wireless_dev *wdev,
4707 struct ieee80211_supported_band *sband,
4708 struct nl80211_txrate_he *txrate,
4709 u16 mcs[NL80211_HE_NSS_MAX])
4711 const struct ieee80211_sta_he_cap *he_cap;
4712 u16 tx_mcs_mask[NL80211_HE_NSS_MAX] = {};
4716 he_cap = ieee80211_get_he_iftype_cap(sband, wdev->iftype);
4720 memset(mcs, 0, sizeof(u16) * NL80211_HE_NSS_MAX);
4722 tx_mcs_map = he_get_txmcsmap(info, he_cap);
4724 /* Build he_mcs_mask from HE capabilities */
4725 he_build_mcs_mask(tx_mcs_map, tx_mcs_mask);
4727 for (i = 0; i < NL80211_HE_NSS_MAX; i++) {
4728 if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i])
4729 mcs[i] = txrate->mcs[i];
4737 static int nl80211_parse_tx_bitrate_mask(struct genl_info *info,
4738 struct nlattr *attrs[],
4739 enum nl80211_attrs attr,
4740 struct cfg80211_bitrate_mask *mask,
4741 struct net_device *dev,
4742 bool default_all_enabled)
4744 struct nlattr *tb[NL80211_TXRATE_MAX + 1];
4745 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4746 struct wireless_dev *wdev = dev->ieee80211_ptr;
4748 struct nlattr *tx_rates;
4749 struct ieee80211_supported_band *sband;
4750 u16 vht_tx_mcs_map, he_tx_mcs_map;
4752 memset(mask, 0, sizeof(*mask));
4753 /* Default to all rates enabled */
4754 for (i = 0; i < NUM_NL80211_BANDS; i++) {
4755 const struct ieee80211_sta_he_cap *he_cap;
4757 if (!default_all_enabled)
4760 sband = rdev->wiphy.bands[i];
4765 mask->control[i].legacy = (1 << sband->n_bitrates) - 1;
4766 memcpy(mask->control[i].ht_mcs,
4767 sband->ht_cap.mcs.rx_mask,
4768 sizeof(mask->control[i].ht_mcs));
4770 if (!sband->vht_cap.vht_supported)
4773 vht_tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
4774 vht_build_mcs_mask(vht_tx_mcs_map, mask->control[i].vht_mcs);
4776 he_cap = ieee80211_get_he_iftype_cap(sband, wdev->iftype);
4780 he_tx_mcs_map = he_get_txmcsmap(info, he_cap);
4781 he_build_mcs_mask(he_tx_mcs_map, mask->control[i].he_mcs);
4783 mask->control[i].he_gi = 0xFF;
4784 mask->control[i].he_ltf = 0xFF;
4787 /* if no rates are given set it back to the defaults */
4791 /* The nested attribute uses enum nl80211_band as the index. This maps
4792 * directly to the enum nl80211_band values used in cfg80211.
4794 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8);
4795 nla_for_each_nested(tx_rates, attrs[attr], rem) {
4796 enum nl80211_band band = nla_type(tx_rates);
4799 if (band < 0 || band >= NUM_NL80211_BANDS)
4801 sband = rdev->wiphy.bands[band];
4804 err = nla_parse_nested_deprecated(tb, NL80211_TXRATE_MAX,
4806 nl80211_txattr_policy,
4810 if (tb[NL80211_TXRATE_LEGACY]) {
4811 mask->control[band].legacy = rateset_to_mask(
4813 nla_data(tb[NL80211_TXRATE_LEGACY]),
4814 nla_len(tb[NL80211_TXRATE_LEGACY]));
4815 if ((mask->control[band].legacy == 0) &&
4816 nla_len(tb[NL80211_TXRATE_LEGACY]))
4819 if (tb[NL80211_TXRATE_HT]) {
4820 if (!ht_rateset_to_mask(
4822 nla_data(tb[NL80211_TXRATE_HT]),
4823 nla_len(tb[NL80211_TXRATE_HT]),
4824 mask->control[band].ht_mcs))
4828 if (tb[NL80211_TXRATE_VHT]) {
4829 if (!vht_set_mcs_mask(
4831 nla_data(tb[NL80211_TXRATE_VHT]),
4832 mask->control[band].vht_mcs))
4836 if (tb[NL80211_TXRATE_GI]) {
4837 mask->control[band].gi =
4838 nla_get_u8(tb[NL80211_TXRATE_GI]);
4839 if (mask->control[band].gi > NL80211_TXRATE_FORCE_LGI)
4842 if (tb[NL80211_TXRATE_HE] &&
4843 !he_set_mcs_mask(info, wdev, sband,
4844 nla_data(tb[NL80211_TXRATE_HE]),
4845 mask->control[band].he_mcs))
4848 if (tb[NL80211_TXRATE_HE_GI])
4849 mask->control[band].he_gi =
4850 nla_get_u8(tb[NL80211_TXRATE_HE_GI]);
4851 if (tb[NL80211_TXRATE_HE_LTF])
4852 mask->control[band].he_ltf =
4853 nla_get_u8(tb[NL80211_TXRATE_HE_LTF]);
4855 if (mask->control[band].legacy == 0) {
4856 /* don't allow empty legacy rates if HT, VHT or HE
4857 * are not even supported.
4859 if (!(rdev->wiphy.bands[band]->ht_cap.ht_supported ||
4860 rdev->wiphy.bands[band]->vht_cap.vht_supported ||
4861 ieee80211_get_he_iftype_cap(sband, wdev->iftype)))
4864 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
4865 if (mask->control[band].ht_mcs[i])
4868 for (i = 0; i < NL80211_VHT_NSS_MAX; i++)
4869 if (mask->control[band].vht_mcs[i])
4872 for (i = 0; i < NL80211_HE_NSS_MAX; i++)
4873 if (mask->control[band].he_mcs[i])
4876 /* legacy and mcs rates may not be both empty */
4885 static int validate_beacon_tx_rate(struct cfg80211_registered_device *rdev,
4886 enum nl80211_band band,
4887 struct cfg80211_bitrate_mask *beacon_rate)
4889 u32 count_ht, count_vht, count_he, i;
4890 u32 rate = beacon_rate->control[band].legacy;
4892 /* Allow only one rate */
4893 if (hweight32(rate) > 1)
4897 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) {
4898 if (hweight8(beacon_rate->control[band].ht_mcs[i]) > 1) {
4900 } else if (beacon_rate->control[band].ht_mcs[i]) {
4905 if (count_ht && rate)
4910 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
4911 if (hweight16(beacon_rate->control[band].vht_mcs[i]) > 1) {
4913 } else if (beacon_rate->control[band].vht_mcs[i]) {
4918 if (count_vht && rate)
4923 for (i = 0; i < NL80211_HE_NSS_MAX; i++) {
4924 if (hweight16(beacon_rate->control[band].he_mcs[i]) > 1) {
4926 } else if (beacon_rate->control[band].he_mcs[i]) {
4931 if (count_he && rate)
4935 if ((count_ht && count_vht && count_he) ||
4936 (!rate && !count_ht && !count_vht && !count_he))
4940 !wiphy_ext_feature_isset(&rdev->wiphy,
4941 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY))
4944 !wiphy_ext_feature_isset(&rdev->wiphy,
4945 NL80211_EXT_FEATURE_BEACON_RATE_HT))
4948 !wiphy_ext_feature_isset(&rdev->wiphy,
4949 NL80211_EXT_FEATURE_BEACON_RATE_VHT))
4952 !wiphy_ext_feature_isset(&rdev->wiphy,
4953 NL80211_EXT_FEATURE_BEACON_RATE_HE))
4959 static int nl80211_parse_beacon(struct cfg80211_registered_device *rdev,
4960 struct nlattr *attrs[],
4961 struct cfg80211_beacon_data *bcn)
4963 bool haveinfo = false;
4966 memset(bcn, 0, sizeof(*bcn));
4968 if (attrs[NL80211_ATTR_BEACON_HEAD]) {
4969 bcn->head = nla_data(attrs[NL80211_ATTR_BEACON_HEAD]);
4970 bcn->head_len = nla_len(attrs[NL80211_ATTR_BEACON_HEAD]);
4976 if (attrs[NL80211_ATTR_BEACON_TAIL]) {
4977 bcn->tail = nla_data(attrs[NL80211_ATTR_BEACON_TAIL]);
4978 bcn->tail_len = nla_len(attrs[NL80211_ATTR_BEACON_TAIL]);
4985 if (attrs[NL80211_ATTR_IE]) {
4986 bcn->beacon_ies = nla_data(attrs[NL80211_ATTR_IE]);
4987 bcn->beacon_ies_len = nla_len(attrs[NL80211_ATTR_IE]);
4990 if (attrs[NL80211_ATTR_IE_PROBE_RESP]) {
4991 bcn->proberesp_ies =
4992 nla_data(attrs[NL80211_ATTR_IE_PROBE_RESP]);
4993 bcn->proberesp_ies_len =
4994 nla_len(attrs[NL80211_ATTR_IE_PROBE_RESP]);
4997 if (attrs[NL80211_ATTR_IE_ASSOC_RESP]) {
4998 bcn->assocresp_ies =
4999 nla_data(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
5000 bcn->assocresp_ies_len =
5001 nla_len(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
5004 if (attrs[NL80211_ATTR_PROBE_RESP]) {
5005 bcn->probe_resp = nla_data(attrs[NL80211_ATTR_PROBE_RESP]);
5006 bcn->probe_resp_len = nla_len(attrs[NL80211_ATTR_PROBE_RESP]);
5009 if (attrs[NL80211_ATTR_FTM_RESPONDER]) {
5010 struct nlattr *tb[NL80211_FTM_RESP_ATTR_MAX + 1];
5012 err = nla_parse_nested_deprecated(tb,
5013 NL80211_FTM_RESP_ATTR_MAX,
5014 attrs[NL80211_ATTR_FTM_RESPONDER],
5019 if (tb[NL80211_FTM_RESP_ATTR_ENABLED] &&
5020 wiphy_ext_feature_isset(&rdev->wiphy,
5021 NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER))
5022 bcn->ftm_responder = 1;
5026 if (tb[NL80211_FTM_RESP_ATTR_LCI]) {
5027 bcn->lci = nla_data(tb[NL80211_FTM_RESP_ATTR_LCI]);
5028 bcn->lci_len = nla_len(tb[NL80211_FTM_RESP_ATTR_LCI]);
5031 if (tb[NL80211_FTM_RESP_ATTR_CIVICLOC]) {
5032 bcn->civicloc = nla_data(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]);
5033 bcn->civicloc_len = nla_len(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]);
5036 bcn->ftm_responder = -1;
5042 static int nl80211_parse_he_obss_pd(struct nlattr *attrs,
5043 struct ieee80211_he_obss_pd *he_obss_pd)
5045 struct nlattr *tb[NL80211_HE_OBSS_PD_ATTR_MAX + 1];
5048 err = nla_parse_nested(tb, NL80211_HE_OBSS_PD_ATTR_MAX, attrs,
5049 he_obss_pd_policy, NULL);
5053 if (!tb[NL80211_HE_OBSS_PD_ATTR_SR_CTRL])
5056 he_obss_pd->sr_ctrl = nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_SR_CTRL]);
5058 if (tb[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET])
5059 he_obss_pd->min_offset =
5060 nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET]);
5061 if (tb[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET])
5062 he_obss_pd->max_offset =
5063 nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET]);
5064 if (tb[NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET])
5065 he_obss_pd->non_srg_max_offset =
5066 nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET]);
5068 if (he_obss_pd->min_offset > he_obss_pd->max_offset)
5071 if (tb[NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP])
5072 memcpy(he_obss_pd->bss_color_bitmap,
5073 nla_data(tb[NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP]),
5074 sizeof(he_obss_pd->bss_color_bitmap));
5076 if (tb[NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP])
5077 memcpy(he_obss_pd->partial_bssid_bitmap,
5078 nla_data(tb[NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP]),
5079 sizeof(he_obss_pd->partial_bssid_bitmap));
5081 he_obss_pd->enable = true;
5086 static int nl80211_parse_he_bss_color(struct nlattr *attrs,
5087 struct cfg80211_he_bss_color *he_bss_color)
5089 struct nlattr *tb[NL80211_HE_BSS_COLOR_ATTR_MAX + 1];
5092 err = nla_parse_nested(tb, NL80211_HE_BSS_COLOR_ATTR_MAX, attrs,
5093 he_bss_color_policy, NULL);
5097 if (!tb[NL80211_HE_BSS_COLOR_ATTR_COLOR])
5100 he_bss_color->color =
5101 nla_get_u8(tb[NL80211_HE_BSS_COLOR_ATTR_COLOR]);
5102 he_bss_color->enabled =
5103 !nla_get_flag(tb[NL80211_HE_BSS_COLOR_ATTR_DISABLED]);
5104 he_bss_color->partial =
5105 nla_get_flag(tb[NL80211_HE_BSS_COLOR_ATTR_PARTIAL]);
5110 static int nl80211_parse_fils_discovery(struct cfg80211_registered_device *rdev,
5111 struct nlattr *attrs,
5112 struct cfg80211_ap_settings *params)
5114 struct nlattr *tb[NL80211_FILS_DISCOVERY_ATTR_MAX + 1];
5116 struct cfg80211_fils_discovery *fd = ¶ms->fils_discovery;
5118 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5119 NL80211_EXT_FEATURE_FILS_DISCOVERY))
5122 ret = nla_parse_nested(tb, NL80211_FILS_DISCOVERY_ATTR_MAX, attrs,
5127 if (!tb[NL80211_FILS_DISCOVERY_ATTR_INT_MIN] ||
5128 !tb[NL80211_FILS_DISCOVERY_ATTR_INT_MAX] ||
5129 !tb[NL80211_FILS_DISCOVERY_ATTR_TMPL])
5132 fd->tmpl_len = nla_len(tb[NL80211_FILS_DISCOVERY_ATTR_TMPL]);
5133 fd->tmpl = nla_data(tb[NL80211_FILS_DISCOVERY_ATTR_TMPL]);
5134 fd->min_interval = nla_get_u32(tb[NL80211_FILS_DISCOVERY_ATTR_INT_MIN]);
5135 fd->max_interval = nla_get_u32(tb[NL80211_FILS_DISCOVERY_ATTR_INT_MAX]);
5141 nl80211_parse_unsol_bcast_probe_resp(struct cfg80211_registered_device *rdev,
5142 struct nlattr *attrs,
5143 struct cfg80211_ap_settings *params)
5145 struct nlattr *tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_MAX + 1];
5147 struct cfg80211_unsol_bcast_probe_resp *presp =
5148 ¶ms->unsol_bcast_probe_resp;
5150 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5151 NL80211_EXT_FEATURE_UNSOL_BCAST_PROBE_RESP))
5154 ret = nla_parse_nested(tb, NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_MAX,
5159 if (!tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT] ||
5160 !tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL])
5163 presp->tmpl = nla_data(tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL]);
5164 presp->tmpl_len = nla_len(tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL]);
5165 presp->interval = nla_get_u32(tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT]);
5169 static void nl80211_check_ap_rate_selectors(struct cfg80211_ap_settings *params,
5177 for (i = 0; i < rates[1]; i++) {
5178 if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_HT_PHY)
5179 params->ht_required = true;
5180 if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_VHT_PHY)
5181 params->vht_required = true;
5182 if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_HE_PHY)
5183 params->he_required = true;
5184 if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_SAE_H2E)
5185 params->sae_h2e_required = true;
5190 * Since the nl80211 API didn't include, from the beginning, attributes about
5191 * HT/VHT requirements/capabilities, we parse them out of the IEs for the
5192 * benefit of drivers that rebuild IEs in the firmware.
5194 static void nl80211_calculate_ap_params(struct cfg80211_ap_settings *params)
5196 const struct cfg80211_beacon_data *bcn = ¶ms->beacon;
5197 size_t ies_len = bcn->tail_len;
5198 const u8 *ies = bcn->tail;
5202 rates = cfg80211_find_ie(WLAN_EID_SUPP_RATES, ies, ies_len);
5203 nl80211_check_ap_rate_selectors(params, rates);
5205 rates = cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES, ies, ies_len);
5206 nl80211_check_ap_rate_selectors(params, rates);
5208 cap = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, ies, ies_len);
5209 if (cap && cap[1] >= sizeof(*params->ht_cap))
5210 params->ht_cap = (void *)(cap + 2);
5211 cap = cfg80211_find_ie(WLAN_EID_VHT_CAPABILITY, ies, ies_len);
5212 if (cap && cap[1] >= sizeof(*params->vht_cap))
5213 params->vht_cap = (void *)(cap + 2);
5214 cap = cfg80211_find_ext_ie(WLAN_EID_EXT_HE_CAPABILITY, ies, ies_len);
5215 if (cap && cap[1] >= sizeof(*params->he_cap) + 1)
5216 params->he_cap = (void *)(cap + 3);
5217 cap = cfg80211_find_ext_ie(WLAN_EID_EXT_HE_OPERATION, ies, ies_len);
5218 if (cap && cap[1] >= sizeof(*params->he_oper) + 1)
5219 params->he_oper = (void *)(cap + 3);
5222 static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev,
5223 struct cfg80211_ap_settings *params)
5225 struct wireless_dev *wdev;
5228 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
5229 if (wdev->iftype != NL80211_IFTYPE_AP &&
5230 wdev->iftype != NL80211_IFTYPE_P2P_GO)
5233 if (!wdev->preset_chandef.chan)
5236 params->chandef = wdev->preset_chandef;
5244 static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev,
5245 enum nl80211_auth_type auth_type,
5246 enum nl80211_commands cmd)
5248 if (auth_type > NL80211_AUTHTYPE_MAX)
5252 case NL80211_CMD_AUTHENTICATE:
5253 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
5254 auth_type == NL80211_AUTHTYPE_SAE)
5256 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5257 NL80211_EXT_FEATURE_FILS_STA) &&
5258 (auth_type == NL80211_AUTHTYPE_FILS_SK ||
5259 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
5260 auth_type == NL80211_AUTHTYPE_FILS_PK))
5263 case NL80211_CMD_CONNECT:
5264 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
5265 !wiphy_ext_feature_isset(&rdev->wiphy,
5266 NL80211_EXT_FEATURE_SAE_OFFLOAD) &&
5267 auth_type == NL80211_AUTHTYPE_SAE)
5270 /* FILS with SK PFS or PK not supported yet */
5271 if (auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
5272 auth_type == NL80211_AUTHTYPE_FILS_PK)
5274 if (!wiphy_ext_feature_isset(
5276 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) &&
5277 auth_type == NL80211_AUTHTYPE_FILS_SK)
5280 case NL80211_CMD_START_AP:
5281 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5282 NL80211_EXT_FEATURE_SAE_OFFLOAD_AP) &&
5283 auth_type == NL80211_AUTHTYPE_SAE)
5285 /* FILS not supported yet */
5286 if (auth_type == NL80211_AUTHTYPE_FILS_SK ||
5287 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
5288 auth_type == NL80211_AUTHTYPE_FILS_PK)
5296 static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
5298 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5299 struct net_device *dev = info->user_ptr[1];
5300 struct wireless_dev *wdev = dev->ieee80211_ptr;
5301 struct cfg80211_ap_settings params;
5304 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
5305 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5308 if (!rdev->ops->start_ap)
5311 if (wdev->beacon_interval)
5314 memset(¶ms, 0, sizeof(params));
5316 /* these are required for START_AP */
5317 if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] ||
5318 !info->attrs[NL80211_ATTR_DTIM_PERIOD] ||
5319 !info->attrs[NL80211_ATTR_BEACON_HEAD])
5322 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms.beacon);
5326 params.beacon_interval =
5327 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
5328 params.dtim_period =
5329 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
5331 err = cfg80211_validate_beacon_int(rdev, dev->ieee80211_ptr->iftype,
5332 params.beacon_interval);
5337 * In theory, some of these attributes should be required here
5338 * but since they were not used when the command was originally
5339 * added, keep them optional for old user space programs to let
5340 * them continue to work with drivers that do not need the
5341 * additional information -- drivers must check!
5343 if (info->attrs[NL80211_ATTR_SSID]) {
5344 params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
5346 nla_len(info->attrs[NL80211_ATTR_SSID]);
5347 if (params.ssid_len == 0)
5351 if (info->attrs[NL80211_ATTR_HIDDEN_SSID])
5352 params.hidden_ssid = nla_get_u32(
5353 info->attrs[NL80211_ATTR_HIDDEN_SSID]);
5355 params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
5357 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
5358 params.auth_type = nla_get_u32(
5359 info->attrs[NL80211_ATTR_AUTH_TYPE]);
5360 if (!nl80211_valid_auth_type(rdev, params.auth_type,
5361 NL80211_CMD_START_AP))
5364 params.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
5366 err = nl80211_crypto_settings(rdev, info, ¶ms.crypto,
5367 NL80211_MAX_NR_CIPHER_SUITES);
5371 if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) {
5372 if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER))
5374 params.inactivity_timeout = nla_get_u16(
5375 info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]);
5378 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
5379 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5381 params.p2p_ctwindow =
5382 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
5383 if (params.p2p_ctwindow != 0 &&
5384 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
5388 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
5391 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5393 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
5394 params.p2p_opp_ps = tmp;
5395 if (params.p2p_opp_ps != 0 &&
5396 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
5400 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
5401 err = nl80211_parse_chandef(rdev, info, ¶ms.chandef);
5404 } else if (wdev->preset_chandef.chan) {
5405 params.chandef = wdev->preset_chandef;
5406 } else if (!nl80211_get_ap_channel(rdev, ¶ms))
5409 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef,
5413 if (info->attrs[NL80211_ATTR_TX_RATES]) {
5414 err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
5415 NL80211_ATTR_TX_RATES,
5416 ¶ms.beacon_rate,
5421 err = validate_beacon_tx_rate(rdev, params.chandef.chan->band,
5422 ¶ms.beacon_rate);
5427 if (info->attrs[NL80211_ATTR_SMPS_MODE]) {
5429 nla_get_u8(info->attrs[NL80211_ATTR_SMPS_MODE]);
5430 switch (params.smps_mode) {
5431 case NL80211_SMPS_OFF:
5433 case NL80211_SMPS_STATIC:
5434 if (!(rdev->wiphy.features &
5435 NL80211_FEATURE_STATIC_SMPS))
5438 case NL80211_SMPS_DYNAMIC:
5439 if (!(rdev->wiphy.features &
5440 NL80211_FEATURE_DYNAMIC_SMPS))
5447 params.smps_mode = NL80211_SMPS_OFF;
5450 params.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
5451 if (params.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ])
5454 if (info->attrs[NL80211_ATTR_ACL_POLICY]) {
5455 params.acl = parse_acl_data(&rdev->wiphy, info);
5456 if (IS_ERR(params.acl))
5457 return PTR_ERR(params.acl);
5460 params.twt_responder =
5461 nla_get_flag(info->attrs[NL80211_ATTR_TWT_RESPONDER]);
5463 if (info->attrs[NL80211_ATTR_HE_OBSS_PD]) {
5464 err = nl80211_parse_he_obss_pd(
5465 info->attrs[NL80211_ATTR_HE_OBSS_PD],
5466 ¶ms.he_obss_pd);
5471 if (info->attrs[NL80211_ATTR_HE_BSS_COLOR]) {
5472 err = nl80211_parse_he_bss_color(
5473 info->attrs[NL80211_ATTR_HE_BSS_COLOR],
5474 ¶ms.he_bss_color);
5479 if (info->attrs[NL80211_ATTR_FILS_DISCOVERY]) {
5480 err = nl80211_parse_fils_discovery(rdev,
5481 info->attrs[NL80211_ATTR_FILS_DISCOVERY],
5487 if (info->attrs[NL80211_ATTR_UNSOL_BCAST_PROBE_RESP]) {
5488 err = nl80211_parse_unsol_bcast_probe_resp(
5489 rdev, info->attrs[NL80211_ATTR_UNSOL_BCAST_PROBE_RESP],
5495 nl80211_calculate_ap_params(¶ms);
5497 if (info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])
5498 params.flags |= AP_SETTINGS_EXTERNAL_AUTH_SUPPORT;
5501 err = rdev_start_ap(rdev, dev, ¶ms);
5503 wdev->preset_chandef = params.chandef;
5504 wdev->beacon_interval = params.beacon_interval;
5505 wdev->chandef = params.chandef;
5506 wdev->ssid_len = params.ssid_len;
5507 memcpy(wdev->ssid, params.ssid, wdev->ssid_len);
5509 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
5510 wdev->conn_owner_nlportid = info->snd_portid;
5520 static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info)
5522 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5523 struct net_device *dev = info->user_ptr[1];
5524 struct wireless_dev *wdev = dev->ieee80211_ptr;
5525 struct cfg80211_beacon_data params;
5528 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
5529 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5532 if (!rdev->ops->change_beacon)
5535 if (!wdev->beacon_interval)
5538 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms);
5543 err = rdev_change_beacon(rdev, dev, ¶ms);
5549 static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info)
5551 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5552 struct net_device *dev = info->user_ptr[1];
5554 return cfg80211_stop_ap(rdev, dev, false);
5557 static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = {
5558 [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG },
5559 [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG },
5560 [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG },
5561 [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG },
5562 [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG },
5563 [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG },
5566 static int parse_station_flags(struct genl_info *info,
5567 enum nl80211_iftype iftype,
5568 struct station_parameters *params)
5570 struct nlattr *flags[NL80211_STA_FLAG_MAX + 1];
5575 * Try parsing the new attribute first so userspace
5576 * can specify both for older kernels.
5578 nla = info->attrs[NL80211_ATTR_STA_FLAGS2];
5580 struct nl80211_sta_flag_update *sta_flags;
5582 sta_flags = nla_data(nla);
5583 params->sta_flags_mask = sta_flags->mask;
5584 params->sta_flags_set = sta_flags->set;
5585 params->sta_flags_set &= params->sta_flags_mask;
5586 if ((params->sta_flags_mask |
5587 params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID))
5592 /* if present, parse the old attribute */
5594 nla = info->attrs[NL80211_ATTR_STA_FLAGS];
5598 if (nla_parse_nested_deprecated(flags, NL80211_STA_FLAG_MAX, nla, sta_flags_policy, info->extack))
5602 * Only allow certain flags for interface types so that
5603 * other attributes are silently ignored. Remember that
5604 * this is backward compatibility code with old userspace
5605 * and shouldn't be hit in other cases anyway.
5608 case NL80211_IFTYPE_AP:
5609 case NL80211_IFTYPE_AP_VLAN:
5610 case NL80211_IFTYPE_P2P_GO:
5611 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
5612 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
5613 BIT(NL80211_STA_FLAG_WME) |
5614 BIT(NL80211_STA_FLAG_MFP);
5616 case NL80211_IFTYPE_P2P_CLIENT:
5617 case NL80211_IFTYPE_STATION:
5618 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
5619 BIT(NL80211_STA_FLAG_TDLS_PEER);
5621 case NL80211_IFTYPE_MESH_POINT:
5622 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
5623 BIT(NL80211_STA_FLAG_MFP) |
5624 BIT(NL80211_STA_FLAG_AUTHORIZED);
5630 for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) {
5632 params->sta_flags_set |= (1<<flag);
5634 /* no longer support new API additions in old API */
5635 if (flag > NL80211_STA_FLAG_MAX_OLD_API)
5643 bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, int attr)
5645 struct nlattr *rate;
5648 enum nl80211_rate_info rate_flg;
5650 rate = nla_nest_start_noflag(msg, attr);
5654 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
5655 bitrate = cfg80211_calculate_bitrate(info);
5656 /* report 16-bit bitrate only if we can */
5657 bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0;
5659 nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate))
5661 if (bitrate_compat > 0 &&
5662 nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat))
5666 case RATE_INFO_BW_5:
5667 rate_flg = NL80211_RATE_INFO_5_MHZ_WIDTH;
5669 case RATE_INFO_BW_10:
5670 rate_flg = NL80211_RATE_INFO_10_MHZ_WIDTH;
5675 case RATE_INFO_BW_20:
5678 case RATE_INFO_BW_40:
5679 rate_flg = NL80211_RATE_INFO_40_MHZ_WIDTH;
5681 case RATE_INFO_BW_80:
5682 rate_flg = NL80211_RATE_INFO_80_MHZ_WIDTH;
5684 case RATE_INFO_BW_160:
5685 rate_flg = NL80211_RATE_INFO_160_MHZ_WIDTH;
5687 case RATE_INFO_BW_HE_RU:
5689 WARN_ON(!(info->flags & RATE_INFO_FLAGS_HE_MCS));
5692 if (rate_flg && nla_put_flag(msg, rate_flg))
5695 if (info->flags & RATE_INFO_FLAGS_MCS) {
5696 if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs))
5698 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
5699 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
5701 } else if (info->flags & RATE_INFO_FLAGS_VHT_MCS) {
5702 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_MCS, info->mcs))
5704 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss))
5706 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
5707 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
5709 } else if (info->flags & RATE_INFO_FLAGS_HE_MCS) {
5710 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_MCS, info->mcs))
5712 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_NSS, info->nss))
5714 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_GI, info->he_gi))
5716 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_DCM, info->he_dcm))
5718 if (info->bw == RATE_INFO_BW_HE_RU &&
5719 nla_put_u8(msg, NL80211_RATE_INFO_HE_RU_ALLOC,
5724 nla_nest_end(msg, rate);
5728 static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal,
5737 attr = nla_nest_start_noflag(msg, id);
5741 for (i = 0; i < IEEE80211_MAX_CHAINS; i++) {
5742 if (!(mask & BIT(i)))
5745 if (nla_put_u8(msg, i, signal[i]))
5749 nla_nest_end(msg, attr);
5754 static int nl80211_send_station(struct sk_buff *msg, u32 cmd, u32 portid,
5756 struct cfg80211_registered_device *rdev,
5757 struct net_device *dev,
5758 const u8 *mac_addr, struct station_info *sinfo)
5761 struct nlattr *sinfoattr, *bss_param;
5763 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
5765 cfg80211_sinfo_release_content(sinfo);
5769 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
5770 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
5771 nla_put_u32(msg, NL80211_ATTR_GENERATION, sinfo->generation))
5772 goto nla_put_failure;
5774 sinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_STA_INFO);
5776 goto nla_put_failure;
5778 #define PUT_SINFO(attr, memb, type) do { \
5779 BUILD_BUG_ON(sizeof(type) == sizeof(u64)); \
5780 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \
5781 nla_put_ ## type(msg, NL80211_STA_INFO_ ## attr, \
5783 goto nla_put_failure; \
5785 #define PUT_SINFO_U64(attr, memb) do { \
5786 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \
5787 nla_put_u64_64bit(msg, NL80211_STA_INFO_ ## attr, \
5788 sinfo->memb, NL80211_STA_INFO_PAD)) \
5789 goto nla_put_failure; \
5792 PUT_SINFO(CONNECTED_TIME, connected_time, u32);
5793 PUT_SINFO(INACTIVE_TIME, inactive_time, u32);
5794 PUT_SINFO_U64(ASSOC_AT_BOOTTIME, assoc_at);
5796 if (sinfo->filled & (BIT_ULL(NL80211_STA_INFO_RX_BYTES) |
5797 BIT_ULL(NL80211_STA_INFO_RX_BYTES64)) &&
5798 nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES,
5799 (u32)sinfo->rx_bytes))
5800 goto nla_put_failure;
5802 if (sinfo->filled & (BIT_ULL(NL80211_STA_INFO_TX_BYTES) |
5803 BIT_ULL(NL80211_STA_INFO_TX_BYTES64)) &&
5804 nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES,
5805 (u32)sinfo->tx_bytes))
5806 goto nla_put_failure;
5808 PUT_SINFO_U64(RX_BYTES64, rx_bytes);
5809 PUT_SINFO_U64(TX_BYTES64, tx_bytes);
5810 PUT_SINFO(LLID, llid, u16);
5811 PUT_SINFO(PLID, plid, u16);
5812 PUT_SINFO(PLINK_STATE, plink_state, u8);
5813 PUT_SINFO_U64(RX_DURATION, rx_duration);
5814 PUT_SINFO_U64(TX_DURATION, tx_duration);
5816 if (wiphy_ext_feature_isset(&rdev->wiphy,
5817 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
5818 PUT_SINFO(AIRTIME_WEIGHT, airtime_weight, u16);
5820 switch (rdev->wiphy.signal_type) {
5821 case CFG80211_SIGNAL_TYPE_MBM:
5822 PUT_SINFO(SIGNAL, signal, u8);
5823 PUT_SINFO(SIGNAL_AVG, signal_avg, u8);
5828 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL)) {
5829 if (!nl80211_put_signal(msg, sinfo->chains,
5830 sinfo->chain_signal,
5831 NL80211_STA_INFO_CHAIN_SIGNAL))
5832 goto nla_put_failure;
5834 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) {
5835 if (!nl80211_put_signal(msg, sinfo->chains,
5836 sinfo->chain_signal_avg,
5837 NL80211_STA_INFO_CHAIN_SIGNAL_AVG))
5838 goto nla_put_failure;
5840 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_TX_BITRATE)) {
5841 if (!nl80211_put_sta_rate(msg, &sinfo->txrate,
5842 NL80211_STA_INFO_TX_BITRATE))
5843 goto nla_put_failure;
5845 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_RX_BITRATE)) {
5846 if (!nl80211_put_sta_rate(msg, &sinfo->rxrate,
5847 NL80211_STA_INFO_RX_BITRATE))
5848 goto nla_put_failure;
5851 PUT_SINFO(RX_PACKETS, rx_packets, u32);
5852 PUT_SINFO(TX_PACKETS, tx_packets, u32);
5853 PUT_SINFO(TX_RETRIES, tx_retries, u32);
5854 PUT_SINFO(TX_FAILED, tx_failed, u32);
5855 PUT_SINFO(EXPECTED_THROUGHPUT, expected_throughput, u32);
5856 PUT_SINFO(AIRTIME_LINK_METRIC, airtime_link_metric, u32);
5857 PUT_SINFO(BEACON_LOSS, beacon_loss_count, u32);
5858 PUT_SINFO(LOCAL_PM, local_pm, u32);
5859 PUT_SINFO(PEER_PM, peer_pm, u32);
5860 PUT_SINFO(NONPEER_PM, nonpeer_pm, u32);
5861 PUT_SINFO(CONNECTED_TO_GATE, connected_to_gate, u8);
5862 PUT_SINFO(CONNECTED_TO_AS, connected_to_as, u8);
5864 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_BSS_PARAM)) {
5865 bss_param = nla_nest_start_noflag(msg,
5866 NL80211_STA_INFO_BSS_PARAM);
5868 goto nla_put_failure;
5870 if (((sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) &&
5871 nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) ||
5872 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) &&
5873 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) ||
5874 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) &&
5875 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) ||
5876 nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD,
5877 sinfo->bss_param.dtim_period) ||
5878 nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL,
5879 sinfo->bss_param.beacon_interval))
5880 goto nla_put_failure;
5882 nla_nest_end(msg, bss_param);
5884 if ((sinfo->filled & BIT_ULL(NL80211_STA_INFO_STA_FLAGS)) &&
5885 nla_put(msg, NL80211_STA_INFO_STA_FLAGS,
5886 sizeof(struct nl80211_sta_flag_update),
5888 goto nla_put_failure;
5890 PUT_SINFO_U64(T_OFFSET, t_offset);
5891 PUT_SINFO_U64(RX_DROP_MISC, rx_dropped_misc);
5892 PUT_SINFO_U64(BEACON_RX, rx_beacon);
5893 PUT_SINFO(BEACON_SIGNAL_AVG, rx_beacon_signal_avg, u8);
5894 PUT_SINFO(RX_MPDUS, rx_mpdu_count, u32);
5895 PUT_SINFO(FCS_ERROR_COUNT, fcs_err_count, u32);
5896 if (wiphy_ext_feature_isset(&rdev->wiphy,
5897 NL80211_EXT_FEATURE_ACK_SIGNAL_SUPPORT)) {
5898 PUT_SINFO(ACK_SIGNAL, ack_signal, u8);
5899 PUT_SINFO(ACK_SIGNAL_AVG, avg_ack_signal, s8);
5903 #undef PUT_SINFO_U64
5905 if (sinfo->pertid) {
5906 struct nlattr *tidsattr;
5909 tidsattr = nla_nest_start_noflag(msg,
5910 NL80211_STA_INFO_TID_STATS);
5912 goto nla_put_failure;
5914 for (tid = 0; tid < IEEE80211_NUM_TIDS + 1; tid++) {
5915 struct cfg80211_tid_stats *tidstats;
5916 struct nlattr *tidattr;
5918 tidstats = &sinfo->pertid[tid];
5920 if (!tidstats->filled)
5923 tidattr = nla_nest_start_noflag(msg, tid + 1);
5925 goto nla_put_failure;
5927 #define PUT_TIDVAL_U64(attr, memb) do { \
5928 if (tidstats->filled & BIT(NL80211_TID_STATS_ ## attr) && \
5929 nla_put_u64_64bit(msg, NL80211_TID_STATS_ ## attr, \
5930 tidstats->memb, NL80211_TID_STATS_PAD)) \
5931 goto nla_put_failure; \
5934 PUT_TIDVAL_U64(RX_MSDU, rx_msdu);
5935 PUT_TIDVAL_U64(TX_MSDU, tx_msdu);
5936 PUT_TIDVAL_U64(TX_MSDU_RETRIES, tx_msdu_retries);
5937 PUT_TIDVAL_U64(TX_MSDU_FAILED, tx_msdu_failed);
5939 #undef PUT_TIDVAL_U64
5940 if ((tidstats->filled &
5941 BIT(NL80211_TID_STATS_TXQ_STATS)) &&
5942 !nl80211_put_txq_stats(msg, &tidstats->txq_stats,
5943 NL80211_TID_STATS_TXQ_STATS))
5944 goto nla_put_failure;
5946 nla_nest_end(msg, tidattr);
5949 nla_nest_end(msg, tidsattr);
5952 nla_nest_end(msg, sinfoattr);
5954 if (sinfo->assoc_req_ies_len &&
5955 nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len,
5956 sinfo->assoc_req_ies))
5957 goto nla_put_failure;
5959 cfg80211_sinfo_release_content(sinfo);
5960 genlmsg_end(msg, hdr);
5964 cfg80211_sinfo_release_content(sinfo);
5965 genlmsg_cancel(msg, hdr);
5969 static int nl80211_dump_station(struct sk_buff *skb,
5970 struct netlink_callback *cb)
5972 struct station_info sinfo;
5973 struct cfg80211_registered_device *rdev;
5974 struct wireless_dev *wdev;
5975 u8 mac_addr[ETH_ALEN];
5976 int sta_idx = cb->args[2];
5979 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
5982 /* nl80211_prepare_wdev_dump acquired it in the successful case */
5983 __acquire(&rdev->wiphy.mtx);
5985 if (!wdev->netdev) {
5990 if (!rdev->ops->dump_station) {
5996 memset(&sinfo, 0, sizeof(sinfo));
5997 err = rdev_dump_station(rdev, wdev->netdev, sta_idx,
6004 if (nl80211_send_station(skb, NL80211_CMD_NEW_STATION,
6005 NETLINK_CB(cb->skb).portid,
6006 cb->nlh->nlmsg_seq, NLM_F_MULTI,
6007 rdev, wdev->netdev, mac_addr,
6015 cb->args[2] = sta_idx;
6018 wiphy_unlock(&rdev->wiphy);
6023 static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info)
6025 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6026 struct net_device *dev = info->user_ptr[1];
6027 struct station_info sinfo;
6028 struct sk_buff *msg;
6029 u8 *mac_addr = NULL;
6032 memset(&sinfo, 0, sizeof(sinfo));
6034 if (!info->attrs[NL80211_ATTR_MAC])
6037 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
6039 if (!rdev->ops->get_station)
6042 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
6046 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6048 cfg80211_sinfo_release_content(&sinfo);
6052 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION,
6053 info->snd_portid, info->snd_seq, 0,
6054 rdev, dev, mac_addr, &sinfo) < 0) {
6059 return genlmsg_reply(msg, info);
6062 int cfg80211_check_station_change(struct wiphy *wiphy,
6063 struct station_parameters *params,
6064 enum cfg80211_station_type statype)
6066 if (params->listen_interval != -1 &&
6067 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
6070 if (params->support_p2p_ps != -1 &&
6071 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
6075 !(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) &&
6076 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
6079 /* When you run into this, adjust the code below for the new flag */
6080 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
6083 case CFG80211_STA_MESH_PEER_KERNEL:
6084 case CFG80211_STA_MESH_PEER_USER:
6086 * No ignoring the TDLS flag here -- the userspace mesh
6087 * code doesn't have the bug of including TDLS in the
6090 if (params->sta_flags_mask &
6091 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6092 BIT(NL80211_STA_FLAG_MFP) |
6093 BIT(NL80211_STA_FLAG_AUTHORIZED)))
6096 case CFG80211_STA_TDLS_PEER_SETUP:
6097 case CFG80211_STA_TDLS_PEER_ACTIVE:
6098 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
6100 /* ignore since it can't change */
6101 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
6104 /* disallow mesh-specific things */
6105 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION)
6107 if (params->local_pm)
6109 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
6113 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
6114 statype != CFG80211_STA_TDLS_PEER_ACTIVE) {
6115 /* TDLS can't be set, ... */
6116 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
6119 * ... but don't bother the driver with it. This works around
6120 * a hostapd/wpa_supplicant issue -- it always includes the
6121 * TLDS_PEER flag in the mask even for AP mode.
6123 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
6126 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
6127 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
6128 /* reject other things that can't change */
6129 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD)
6131 if (params->sta_modify_mask & STATION_PARAM_APPLY_CAPABILITY)
6133 if (params->supported_rates)
6135 if (params->ext_capab || params->ht_capa || params->vht_capa ||
6140 if (statype != CFG80211_STA_AP_CLIENT &&
6141 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
6147 case CFG80211_STA_AP_MLME_CLIENT:
6148 /* Use this only for authorizing/unauthorizing a station */
6149 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
6152 case CFG80211_STA_AP_CLIENT:
6153 case CFG80211_STA_AP_CLIENT_UNASSOC:
6154 /* accept only the listed bits */
6155 if (params->sta_flags_mask &
6156 ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
6157 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6158 BIT(NL80211_STA_FLAG_ASSOCIATED) |
6159 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
6160 BIT(NL80211_STA_FLAG_WME) |
6161 BIT(NL80211_STA_FLAG_MFP)))
6164 /* but authenticated/associated only if driver handles it */
6165 if (!(wiphy->features & NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
6166 params->sta_flags_mask &
6167 (BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6168 BIT(NL80211_STA_FLAG_ASSOCIATED)))
6171 case CFG80211_STA_IBSS:
6172 case CFG80211_STA_AP_STA:
6173 /* reject any changes other than AUTHORIZED */
6174 if (params->sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED))
6177 case CFG80211_STA_TDLS_PEER_SETUP:
6178 /* reject any changes other than AUTHORIZED or WME */
6179 if (params->sta_flags_mask & ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
6180 BIT(NL80211_STA_FLAG_WME)))
6182 /* force (at least) rates when authorizing */
6183 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED) &&
6184 !params->supported_rates)
6187 case CFG80211_STA_TDLS_PEER_ACTIVE:
6188 /* reject any changes */
6190 case CFG80211_STA_MESH_PEER_KERNEL:
6191 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
6194 case CFG80211_STA_MESH_PEER_USER:
6195 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION &&
6196 params->plink_action != NL80211_PLINK_ACTION_BLOCK)
6202 * Older kernel versions ignored this attribute entirely, so don't
6203 * reject attempts to update it but mark it as unused instead so the
6204 * driver won't look at the data.
6206 if (statype != CFG80211_STA_AP_CLIENT_UNASSOC &&
6207 statype != CFG80211_STA_TDLS_PEER_SETUP)
6208 params->opmode_notif_used = false;
6212 EXPORT_SYMBOL(cfg80211_check_station_change);
6215 * Get vlan interface making sure it is running and on the right wiphy.
6217 static struct net_device *get_vlan(struct genl_info *info,
6218 struct cfg80211_registered_device *rdev)
6220 struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN];
6221 struct net_device *v;
6227 v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr));
6229 return ERR_PTR(-ENODEV);
6231 if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) {
6236 if (v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
6237 v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
6238 v->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
6243 if (!netif_running(v)) {
6251 return ERR_PTR(ret);
6254 static const struct nla_policy
6255 nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] = {
6256 [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 },
6257 [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 },
6260 static int nl80211_parse_sta_wme(struct genl_info *info,
6261 struct station_parameters *params)
6263 struct nlattr *tb[NL80211_STA_WME_MAX + 1];
6267 /* parse WME attributes if present */
6268 if (!info->attrs[NL80211_ATTR_STA_WME])
6271 nla = info->attrs[NL80211_ATTR_STA_WME];
6272 err = nla_parse_nested_deprecated(tb, NL80211_STA_WME_MAX, nla,
6273 nl80211_sta_wme_policy,
6278 if (tb[NL80211_STA_WME_UAPSD_QUEUES])
6279 params->uapsd_queues = nla_get_u8(
6280 tb[NL80211_STA_WME_UAPSD_QUEUES]);
6281 if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
6284 if (tb[NL80211_STA_WME_MAX_SP])
6285 params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]);
6287 if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
6290 params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD;
6295 static int nl80211_parse_sta_channel_info(struct genl_info *info,
6296 struct station_parameters *params)
6298 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]) {
6299 params->supported_channels =
6300 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
6301 params->supported_channels_len =
6302 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
6304 * Need to include at least one (first channel, number of
6305 * channels) tuple for each subband (checked in policy),
6306 * and must have proper tuples for the rest of the data as well.
6308 if (params->supported_channels_len % 2)
6312 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]) {
6313 params->supported_oper_classes =
6314 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
6315 params->supported_oper_classes_len =
6316 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
6321 static int nl80211_set_station_tdls(struct genl_info *info,
6322 struct station_parameters *params)
6325 /* Dummy STA entry gets updated once the peer capabilities are known */
6326 if (info->attrs[NL80211_ATTR_PEER_AID])
6327 params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
6328 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
6330 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
6331 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
6333 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
6334 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
6336 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
6337 params->he_capa_len =
6338 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
6341 err = nl80211_parse_sta_channel_info(info, params);
6345 return nl80211_parse_sta_wme(info, params);
6348 static int nl80211_parse_sta_txpower_setting(struct genl_info *info,
6349 struct station_parameters *params)
6351 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6354 if (info->attrs[NL80211_ATTR_STA_TX_POWER_SETTING]) {
6355 if (!rdev->ops->set_tx_power ||
6356 !wiphy_ext_feature_isset(&rdev->wiphy,
6357 NL80211_EXT_FEATURE_STA_TX_PWR))
6360 idx = NL80211_ATTR_STA_TX_POWER_SETTING;
6361 params->txpwr.type = nla_get_u8(info->attrs[idx]);
6363 if (params->txpwr.type == NL80211_TX_POWER_LIMITED) {
6364 idx = NL80211_ATTR_STA_TX_POWER;
6366 if (info->attrs[idx])
6367 params->txpwr.power =
6368 nla_get_s16(info->attrs[idx]);
6372 params->sta_modify_mask |= STATION_PARAM_APPLY_STA_TXPOWER;
6378 static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
6380 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6381 struct net_device *dev = info->user_ptr[1];
6382 struct station_parameters params;
6386 memset(¶ms, 0, sizeof(params));
6388 if (!rdev->ops->change_station)
6392 * AID and listen_interval properties can be set only for unassociated
6393 * station. Include these parameters here and will check them in
6394 * cfg80211_check_station_change().
6396 if (info->attrs[NL80211_ATTR_STA_AID])
6397 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
6399 if (info->attrs[NL80211_ATTR_VLAN_ID])
6400 params.vlan_id = nla_get_u16(info->attrs[NL80211_ATTR_VLAN_ID]);
6402 if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
6403 params.listen_interval =
6404 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
6406 params.listen_interval = -1;
6408 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS])
6409 params.support_p2p_ps =
6410 nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
6412 params.support_p2p_ps = -1;
6414 if (!info->attrs[NL80211_ATTR_MAC])
6417 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
6419 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) {
6420 params.supported_rates =
6421 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
6422 params.supported_rates_len =
6423 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
6426 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
6428 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
6429 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
6432 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
6434 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
6435 params.ext_capab_len =
6436 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
6439 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
6442 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
6443 params.plink_action =
6444 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
6446 if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) {
6447 params.plink_state =
6448 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]);
6449 if (info->attrs[NL80211_ATTR_MESH_PEER_AID])
6450 params.peer_aid = nla_get_u16(
6451 info->attrs[NL80211_ATTR_MESH_PEER_AID]);
6452 params.sta_modify_mask |= STATION_PARAM_APPLY_PLINK_STATE;
6455 if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE])
6456 params.local_pm = nla_get_u32(
6457 info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]);
6459 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
6460 params.opmode_notif_used = true;
6461 params.opmode_notif =
6462 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
6465 if (info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY])
6466 params.he_6ghz_capa =
6467 nla_data(info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY]);
6469 if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
6470 params.airtime_weight =
6471 nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
6473 if (params.airtime_weight &&
6474 !wiphy_ext_feature_isset(&rdev->wiphy,
6475 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
6478 err = nl80211_parse_sta_txpower_setting(info, ¶ms);
6482 /* Include parameters for TDLS peer (will check later) */
6483 err = nl80211_set_station_tdls(info, ¶ms);
6487 params.vlan = get_vlan(info, rdev);
6488 if (IS_ERR(params.vlan))
6489 return PTR_ERR(params.vlan);
6491 switch (dev->ieee80211_ptr->iftype) {
6492 case NL80211_IFTYPE_AP:
6493 case NL80211_IFTYPE_AP_VLAN:
6494 case NL80211_IFTYPE_P2P_GO:
6495 case NL80211_IFTYPE_P2P_CLIENT:
6496 case NL80211_IFTYPE_STATION:
6497 case NL80211_IFTYPE_ADHOC:
6498 case NL80211_IFTYPE_MESH_POINT:
6505 /* driver will call cfg80211_check_station_change() */
6506 err = rdev_change_station(rdev, dev, mac_addr, ¶ms);
6510 dev_put(params.vlan);
6515 static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
6517 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6519 struct net_device *dev = info->user_ptr[1];
6520 struct station_parameters params;
6521 u8 *mac_addr = NULL;
6522 u32 auth_assoc = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6523 BIT(NL80211_STA_FLAG_ASSOCIATED);
6525 memset(¶ms, 0, sizeof(params));
6527 if (!rdev->ops->add_station)
6530 if (!info->attrs[NL80211_ATTR_MAC])
6533 if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
6536 if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES])
6539 if (!info->attrs[NL80211_ATTR_STA_AID] &&
6540 !info->attrs[NL80211_ATTR_PEER_AID])
6543 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
6544 params.supported_rates =
6545 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
6546 params.supported_rates_len =
6547 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
6548 params.listen_interval =
6549 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
6551 if (info->attrs[NL80211_ATTR_VLAN_ID])
6552 params.vlan_id = nla_get_u16(info->attrs[NL80211_ATTR_VLAN_ID]);
6554 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]) {
6555 params.support_p2p_ps =
6556 nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
6559 * if not specified, assume it's supported for P2P GO interface,
6560 * and is NOT supported for AP interface
6562 params.support_p2p_ps =
6563 dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO;
6566 if (info->attrs[NL80211_ATTR_PEER_AID])
6567 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
6569 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
6571 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
6573 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
6574 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
6577 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
6579 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
6580 params.ext_capab_len =
6581 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
6584 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
6586 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
6588 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
6590 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
6592 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
6594 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
6595 params.he_capa_len =
6596 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
6599 if (info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY])
6600 params.he_6ghz_capa =
6601 nla_data(info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY]);
6603 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
6604 params.opmode_notif_used = true;
6605 params.opmode_notif =
6606 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
6609 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
6610 params.plink_action =
6611 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
6613 if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
6614 params.airtime_weight =
6615 nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
6617 if (params.airtime_weight &&
6618 !wiphy_ext_feature_isset(&rdev->wiphy,
6619 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
6622 err = nl80211_parse_sta_txpower_setting(info, ¶ms);
6626 err = nl80211_parse_sta_channel_info(info, ¶ms);
6630 err = nl80211_parse_sta_wme(info, ¶ms);
6634 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
6637 /* HT/VHT requires QoS, but if we don't have that just ignore HT/VHT
6638 * as userspace might just pass through the capabilities from the IEs
6639 * directly, rather than enforcing this restriction and returning an
6640 * error in this case.
6642 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) {
6643 params.ht_capa = NULL;
6644 params.vht_capa = NULL;
6646 /* HE requires WME */
6647 if (params.he_capa_len || params.he_6ghz_capa)
6651 /* Ensure that HT/VHT capabilities are not set for 6 GHz HE STA */
6652 if (params.he_6ghz_capa && (params.ht_capa || params.vht_capa))
6655 /* When you run into this, adjust the code below for the new flag */
6656 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
6658 switch (dev->ieee80211_ptr->iftype) {
6659 case NL80211_IFTYPE_AP:
6660 case NL80211_IFTYPE_AP_VLAN:
6661 case NL80211_IFTYPE_P2P_GO:
6662 /* ignore WME attributes if iface/sta is not capable */
6663 if (!(rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) ||
6664 !(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME)))
6665 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
6667 /* TDLS peers cannot be added */
6668 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
6669 info->attrs[NL80211_ATTR_PEER_AID])
6671 /* but don't bother the driver with it */
6672 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
6674 /* allow authenticated/associated only if driver handles it */
6675 if (!(rdev->wiphy.features &
6676 NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
6677 params.sta_flags_mask & auth_assoc)
6680 /* Older userspace, or userspace wanting to be compatible with
6681 * !NL80211_FEATURE_FULL_AP_CLIENT_STATE, will not set the auth
6682 * and assoc flags in the mask, but assumes the station will be
6683 * added as associated anyway since this was the required driver
6684 * behaviour before NL80211_FEATURE_FULL_AP_CLIENT_STATE was
6686 * In order to not bother drivers with this quirk in the API
6687 * set the flags in both the mask and set for new stations in
6690 if (!(params.sta_flags_mask & auth_assoc)) {
6691 params.sta_flags_mask |= auth_assoc;
6692 params.sta_flags_set |= auth_assoc;
6695 /* must be last in here for error handling */
6696 params.vlan = get_vlan(info, rdev);
6697 if (IS_ERR(params.vlan))
6698 return PTR_ERR(params.vlan);
6700 case NL80211_IFTYPE_MESH_POINT:
6701 /* ignore uAPSD data */
6702 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
6704 /* associated is disallowed */
6705 if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED))
6707 /* TDLS peers cannot be added */
6708 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
6709 info->attrs[NL80211_ATTR_PEER_AID])
6712 case NL80211_IFTYPE_STATION:
6713 case NL80211_IFTYPE_P2P_CLIENT:
6714 /* ignore uAPSD data */
6715 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
6717 /* these are disallowed */
6718 if (params.sta_flags_mask &
6719 (BIT(NL80211_STA_FLAG_ASSOCIATED) |
6720 BIT(NL80211_STA_FLAG_AUTHENTICATED)))
6722 /* Only TDLS peers can be added */
6723 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
6725 /* Can only add if TDLS ... */
6726 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS))
6728 /* ... with external setup is supported */
6729 if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
6732 * Older wpa_supplicant versions always mark the TDLS peer
6733 * as authorized, but it shouldn't yet be.
6735 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_AUTHORIZED);
6741 /* be aware of params.vlan when changing code here */
6743 err = rdev_add_station(rdev, dev, mac_addr, ¶ms);
6746 dev_put(params.vlan);
6750 static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info)
6752 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6753 struct net_device *dev = info->user_ptr[1];
6754 struct station_del_parameters params;
6756 memset(¶ms, 0, sizeof(params));
6758 if (info->attrs[NL80211_ATTR_MAC])
6759 params.mac = nla_data(info->attrs[NL80211_ATTR_MAC]);
6761 switch (dev->ieee80211_ptr->iftype) {
6762 case NL80211_IFTYPE_AP:
6763 case NL80211_IFTYPE_AP_VLAN:
6764 case NL80211_IFTYPE_MESH_POINT:
6765 case NL80211_IFTYPE_P2P_GO:
6766 /* always accept these */
6768 case NL80211_IFTYPE_ADHOC:
6769 /* conditionally accept */
6770 if (wiphy_ext_feature_isset(&rdev->wiphy,
6771 NL80211_EXT_FEATURE_DEL_IBSS_STA))
6778 if (!rdev->ops->del_station)
6781 if (info->attrs[NL80211_ATTR_MGMT_SUBTYPE]) {
6783 nla_get_u8(info->attrs[NL80211_ATTR_MGMT_SUBTYPE]);
6784 if (params.subtype != IEEE80211_STYPE_DISASSOC >> 4 &&
6785 params.subtype != IEEE80211_STYPE_DEAUTH >> 4)
6788 /* Default to Deauthentication frame */
6789 params.subtype = IEEE80211_STYPE_DEAUTH >> 4;
6792 if (info->attrs[NL80211_ATTR_REASON_CODE]) {
6793 params.reason_code =
6794 nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
6795 if (params.reason_code == 0)
6796 return -EINVAL; /* 0 is reserved */
6798 /* Default to reason code 2 */
6799 params.reason_code = WLAN_REASON_PREV_AUTH_NOT_VALID;
6802 return rdev_del_station(rdev, dev, ¶ms);
6805 static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq,
6806 int flags, struct net_device *dev,
6807 u8 *dst, u8 *next_hop,
6808 struct mpath_info *pinfo)
6811 struct nlattr *pinfoattr;
6813 hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_MPATH);
6817 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
6818 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
6819 nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) ||
6820 nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation))
6821 goto nla_put_failure;
6823 pinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_MPATH_INFO);
6825 goto nla_put_failure;
6826 if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) &&
6827 nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN,
6829 goto nla_put_failure;
6830 if (((pinfo->filled & MPATH_INFO_SN) &&
6831 nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) ||
6832 ((pinfo->filled & MPATH_INFO_METRIC) &&
6833 nla_put_u32(msg, NL80211_MPATH_INFO_METRIC,
6835 ((pinfo->filled & MPATH_INFO_EXPTIME) &&
6836 nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME,
6838 ((pinfo->filled & MPATH_INFO_FLAGS) &&
6839 nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS,
6841 ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) &&
6842 nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT,
6843 pinfo->discovery_timeout)) ||
6844 ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) &&
6845 nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES,
6846 pinfo->discovery_retries)) ||
6847 ((pinfo->filled & MPATH_INFO_HOP_COUNT) &&
6848 nla_put_u8(msg, NL80211_MPATH_INFO_HOP_COUNT,
6849 pinfo->hop_count)) ||
6850 ((pinfo->filled & MPATH_INFO_PATH_CHANGE) &&
6851 nla_put_u32(msg, NL80211_MPATH_INFO_PATH_CHANGE,
6852 pinfo->path_change_count)))
6853 goto nla_put_failure;
6855 nla_nest_end(msg, pinfoattr);
6857 genlmsg_end(msg, hdr);
6861 genlmsg_cancel(msg, hdr);
6865 static int nl80211_dump_mpath(struct sk_buff *skb,
6866 struct netlink_callback *cb)
6868 struct mpath_info pinfo;
6869 struct cfg80211_registered_device *rdev;
6870 struct wireless_dev *wdev;
6872 u8 next_hop[ETH_ALEN];
6873 int path_idx = cb->args[2];
6876 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
6879 /* nl80211_prepare_wdev_dump acquired it in the successful case */
6880 __acquire(&rdev->wiphy.mtx);
6882 if (!rdev->ops->dump_mpath) {
6887 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
6893 err = rdev_dump_mpath(rdev, wdev->netdev, path_idx, dst,
6900 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
6901 cb->nlh->nlmsg_seq, NLM_F_MULTI,
6902 wdev->netdev, dst, next_hop,
6910 cb->args[2] = path_idx;
6913 wiphy_unlock(&rdev->wiphy);
6917 static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info)
6919 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6921 struct net_device *dev = info->user_ptr[1];
6922 struct mpath_info pinfo;
6923 struct sk_buff *msg;
6925 u8 next_hop[ETH_ALEN];
6927 memset(&pinfo, 0, sizeof(pinfo));
6929 if (!info->attrs[NL80211_ATTR_MAC])
6932 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6934 if (!rdev->ops->get_mpath)
6937 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6940 err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo);
6944 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6948 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
6949 dev, dst, next_hop, &pinfo) < 0) {
6954 return genlmsg_reply(msg, info);
6957 static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info)
6959 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6960 struct net_device *dev = info->user_ptr[1];
6962 u8 *next_hop = NULL;
6964 if (!info->attrs[NL80211_ATTR_MAC])
6967 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
6970 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6971 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
6973 if (!rdev->ops->change_mpath)
6976 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6979 return rdev_change_mpath(rdev, dev, dst, next_hop);
6982 static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info)
6984 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6985 struct net_device *dev = info->user_ptr[1];
6987 u8 *next_hop = NULL;
6989 if (!info->attrs[NL80211_ATTR_MAC])
6992 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
6995 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6996 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
6998 if (!rdev->ops->add_mpath)
7001 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
7004 return rdev_add_mpath(rdev, dev, dst, next_hop);
7007 static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info)
7009 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7010 struct net_device *dev = info->user_ptr[1];
7013 if (info->attrs[NL80211_ATTR_MAC])
7014 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
7016 if (!rdev->ops->del_mpath)
7019 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
7022 return rdev_del_mpath(rdev, dev, dst);
7025 static int nl80211_get_mpp(struct sk_buff *skb, struct genl_info *info)
7027 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7029 struct net_device *dev = info->user_ptr[1];
7030 struct mpath_info pinfo;
7031 struct sk_buff *msg;
7035 memset(&pinfo, 0, sizeof(pinfo));
7037 if (!info->attrs[NL80211_ATTR_MAC])
7040 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
7042 if (!rdev->ops->get_mpp)
7045 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
7048 err = rdev_get_mpp(rdev, dev, dst, mpp, &pinfo);
7052 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7056 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
7057 dev, dst, mpp, &pinfo) < 0) {
7062 return genlmsg_reply(msg, info);
7065 static int nl80211_dump_mpp(struct sk_buff *skb,
7066 struct netlink_callback *cb)
7068 struct mpath_info pinfo;
7069 struct cfg80211_registered_device *rdev;
7070 struct wireless_dev *wdev;
7073 int path_idx = cb->args[2];
7076 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
7079 /* nl80211_prepare_wdev_dump acquired it in the successful case */
7080 __acquire(&rdev->wiphy.mtx);
7082 if (!rdev->ops->dump_mpp) {
7087 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
7093 err = rdev_dump_mpp(rdev, wdev->netdev, path_idx, dst,
7100 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
7101 cb->nlh->nlmsg_seq, NLM_F_MULTI,
7102 wdev->netdev, dst, mpp,
7110 cb->args[2] = path_idx;
7113 wiphy_unlock(&rdev->wiphy);
7117 static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
7119 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7120 struct net_device *dev = info->user_ptr[1];
7121 struct wireless_dev *wdev = dev->ieee80211_ptr;
7122 struct bss_parameters params;
7125 memset(¶ms, 0, sizeof(params));
7126 /* default to not changing parameters */
7127 params.use_cts_prot = -1;
7128 params.use_short_preamble = -1;
7129 params.use_short_slot_time = -1;
7130 params.ap_isolate = -1;
7131 params.ht_opmode = -1;
7132 params.p2p_ctwindow = -1;
7133 params.p2p_opp_ps = -1;
7135 if (info->attrs[NL80211_ATTR_BSS_CTS_PROT])
7136 params.use_cts_prot =
7137 nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]);
7138 if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE])
7139 params.use_short_preamble =
7140 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]);
7141 if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME])
7142 params.use_short_slot_time =
7143 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]);
7144 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
7145 params.basic_rates =
7146 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
7147 params.basic_rates_len =
7148 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
7150 if (info->attrs[NL80211_ATTR_AP_ISOLATE])
7151 params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]);
7152 if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE])
7154 nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]);
7156 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
7157 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
7159 params.p2p_ctwindow =
7160 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
7161 if (params.p2p_ctwindow != 0 &&
7162 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
7166 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
7169 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
7171 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
7172 params.p2p_opp_ps = tmp;
7173 if (params.p2p_opp_ps &&
7174 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
7178 if (!rdev->ops->change_bss)
7181 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
7182 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
7186 err = rdev_change_bss(rdev, dev, ¶ms);
7192 static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
7196 enum nl80211_user_reg_hint_type user_reg_hint_type;
7200 * You should only get this when cfg80211 hasn't yet initialized
7201 * completely when built-in to the kernel right between the time
7202 * window between nl80211_init() and regulatory_init(), if that is
7205 if (unlikely(!rcu_access_pointer(cfg80211_regdomain)))
7206 return -EINPROGRESS;
7208 if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE])
7209 user_reg_hint_type =
7210 nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]);
7212 user_reg_hint_type = NL80211_USER_REG_HINT_USER;
7214 switch (user_reg_hint_type) {
7215 case NL80211_USER_REG_HINT_USER:
7216 case NL80211_USER_REG_HINT_CELL_BASE:
7217 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
7220 data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
7221 return regulatory_hint_user(data, user_reg_hint_type);
7222 case NL80211_USER_REG_HINT_INDOOR:
7223 if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
7224 owner_nlportid = info->snd_portid;
7225 is_indoor = !!info->attrs[NL80211_ATTR_REG_INDOOR];
7231 return regulatory_hint_indoor(is_indoor, owner_nlportid);
7237 static int nl80211_reload_regdb(struct sk_buff *skb, struct genl_info *info)
7239 return reg_reload_regdb();
7242 static int nl80211_get_mesh_config(struct sk_buff *skb,
7243 struct genl_info *info)
7245 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7246 struct net_device *dev = info->user_ptr[1];
7247 struct wireless_dev *wdev = dev->ieee80211_ptr;
7248 struct mesh_config cur_params;
7251 struct nlattr *pinfoattr;
7252 struct sk_buff *msg;
7254 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
7257 if (!rdev->ops->get_mesh_config)
7261 /* If not connected, get default parameters */
7262 if (!wdev->mesh_id_len)
7263 memcpy(&cur_params, &default_mesh_config, sizeof(cur_params));
7265 err = rdev_get_mesh_config(rdev, dev, &cur_params);
7271 /* Draw up a netlink message to send back */
7272 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7275 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
7276 NL80211_CMD_GET_MESH_CONFIG);
7279 pinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_MESH_CONFIG);
7281 goto nla_put_failure;
7282 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
7283 nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT,
7284 cur_params.dot11MeshRetryTimeout) ||
7285 nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT,
7286 cur_params.dot11MeshConfirmTimeout) ||
7287 nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT,
7288 cur_params.dot11MeshHoldingTimeout) ||
7289 nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
7290 cur_params.dot11MeshMaxPeerLinks) ||
7291 nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES,
7292 cur_params.dot11MeshMaxRetries) ||
7293 nla_put_u8(msg, NL80211_MESHCONF_TTL,
7294 cur_params.dot11MeshTTL) ||
7295 nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL,
7296 cur_params.element_ttl) ||
7297 nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
7298 cur_params.auto_open_plinks) ||
7299 nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
7300 cur_params.dot11MeshNbrOffsetMaxNeighbor) ||
7301 nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
7302 cur_params.dot11MeshHWMPmaxPREQretries) ||
7303 nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME,
7304 cur_params.path_refresh_time) ||
7305 nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
7306 cur_params.min_discovery_timeout) ||
7307 nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
7308 cur_params.dot11MeshHWMPactivePathTimeout) ||
7309 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
7310 cur_params.dot11MeshHWMPpreqMinInterval) ||
7311 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
7312 cur_params.dot11MeshHWMPperrMinInterval) ||
7313 nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
7314 cur_params.dot11MeshHWMPnetDiameterTraversalTime) ||
7315 nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE,
7316 cur_params.dot11MeshHWMPRootMode) ||
7317 nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL,
7318 cur_params.dot11MeshHWMPRannInterval) ||
7319 nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
7320 cur_params.dot11MeshGateAnnouncementProtocol) ||
7321 nla_put_u8(msg, NL80211_MESHCONF_FORWARDING,
7322 cur_params.dot11MeshForwarding) ||
7323 nla_put_s32(msg, NL80211_MESHCONF_RSSI_THRESHOLD,
7324 cur_params.rssi_threshold) ||
7325 nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE,
7326 cur_params.ht_opmode) ||
7327 nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
7328 cur_params.dot11MeshHWMPactivePathToRootTimeout) ||
7329 nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
7330 cur_params.dot11MeshHWMProotInterval) ||
7331 nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
7332 cur_params.dot11MeshHWMPconfirmationInterval) ||
7333 nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE,
7334 cur_params.power_mode) ||
7335 nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW,
7336 cur_params.dot11MeshAwakeWindowDuration) ||
7337 nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT,
7338 cur_params.plink_timeout) ||
7339 nla_put_u8(msg, NL80211_MESHCONF_CONNECTED_TO_GATE,
7340 cur_params.dot11MeshConnectedToMeshGate) ||
7341 nla_put_u8(msg, NL80211_MESHCONF_NOLEARN,
7342 cur_params.dot11MeshNolearn) ||
7343 nla_put_u8(msg, NL80211_MESHCONF_CONNECTED_TO_AS,
7344 cur_params.dot11MeshConnectedToAuthServer))
7345 goto nla_put_failure;
7346 nla_nest_end(msg, pinfoattr);
7347 genlmsg_end(msg, hdr);
7348 return genlmsg_reply(msg, info);
7356 static const struct nla_policy
7357 nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = {
7358 [NL80211_MESHCONF_RETRY_TIMEOUT] =
7359 NLA_POLICY_RANGE(NLA_U16, 1, 255),
7360 [NL80211_MESHCONF_CONFIRM_TIMEOUT] =
7361 NLA_POLICY_RANGE(NLA_U16, 1, 255),
7362 [NL80211_MESHCONF_HOLDING_TIMEOUT] =
7363 NLA_POLICY_RANGE(NLA_U16, 1, 255),
7364 [NL80211_MESHCONF_MAX_PEER_LINKS] =
7365 NLA_POLICY_RANGE(NLA_U16, 0, 255),
7366 [NL80211_MESHCONF_MAX_RETRIES] = NLA_POLICY_MAX(NLA_U8, 16),
7367 [NL80211_MESHCONF_TTL] = NLA_POLICY_MIN(NLA_U8, 1),
7368 [NL80211_MESHCONF_ELEMENT_TTL] = NLA_POLICY_MIN(NLA_U8, 1),
7369 [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = NLA_POLICY_MAX(NLA_U8, 1),
7370 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] =
7371 NLA_POLICY_RANGE(NLA_U32, 1, 255),
7372 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 },
7373 [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 },
7374 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = NLA_POLICY_MIN(NLA_U16, 1),
7375 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 },
7376 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] =
7377 NLA_POLICY_MIN(NLA_U16, 1),
7378 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] =
7379 NLA_POLICY_MIN(NLA_U16, 1),
7380 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] =
7381 NLA_POLICY_MIN(NLA_U16, 1),
7382 [NL80211_MESHCONF_HWMP_ROOTMODE] = NLA_POLICY_MAX(NLA_U8, 4),
7383 [NL80211_MESHCONF_HWMP_RANN_INTERVAL] =
7384 NLA_POLICY_MIN(NLA_U16, 1),
7385 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = NLA_POLICY_MAX(NLA_U8, 1),
7386 [NL80211_MESHCONF_FORWARDING] = NLA_POLICY_MAX(NLA_U8, 1),
7387 [NL80211_MESHCONF_RSSI_THRESHOLD] =
7388 NLA_POLICY_RANGE(NLA_S32, -255, 0),
7389 [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 },
7390 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 },
7391 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] =
7392 NLA_POLICY_MIN(NLA_U16, 1),
7393 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] =
7394 NLA_POLICY_MIN(NLA_U16, 1),
7395 [NL80211_MESHCONF_POWER_MODE] =
7396 NLA_POLICY_RANGE(NLA_U32,
7397 NL80211_MESH_POWER_ACTIVE,
7398 NL80211_MESH_POWER_MAX),
7399 [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 },
7400 [NL80211_MESHCONF_PLINK_TIMEOUT] = { .type = NLA_U32 },
7401 [NL80211_MESHCONF_CONNECTED_TO_GATE] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
7402 [NL80211_MESHCONF_NOLEARN] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
7403 [NL80211_MESHCONF_CONNECTED_TO_AS] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
7406 static const struct nla_policy
7407 nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = {
7408 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 },
7409 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 },
7410 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 },
7411 [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG },
7412 [NL80211_MESH_SETUP_AUTH_PROTOCOL] = { .type = NLA_U8 },
7413 [NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG },
7414 [NL80211_MESH_SETUP_IE] =
7415 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
7416 IEEE80211_MAX_DATA_LEN),
7417 [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG },
7420 static int nl80211_parse_mesh_config(struct genl_info *info,
7421 struct mesh_config *cfg,
7424 struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1];
7428 #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, mask, attr, fn) \
7431 cfg->param = fn(tb[attr]); \
7432 mask |= BIT((attr) - 1); \
7436 if (!info->attrs[NL80211_ATTR_MESH_CONFIG])
7438 if (nla_parse_nested_deprecated(tb, NL80211_MESHCONF_ATTR_MAX, info->attrs[NL80211_ATTR_MESH_CONFIG], nl80211_meshconf_params_policy, info->extack))
7441 /* This makes sure that there aren't more than 32 mesh config
7442 * parameters (otherwise our bitfield scheme would not work.) */
7443 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32);
7445 /* Fill in the params struct */
7446 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, mask,
7447 NL80211_MESHCONF_RETRY_TIMEOUT, nla_get_u16);
7448 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, mask,
7449 NL80211_MESHCONF_CONFIRM_TIMEOUT,
7451 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, mask,
7452 NL80211_MESHCONF_HOLDING_TIMEOUT,
7454 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, mask,
7455 NL80211_MESHCONF_MAX_PEER_LINKS,
7457 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, mask,
7458 NL80211_MESHCONF_MAX_RETRIES, nla_get_u8);
7459 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, mask,
7460 NL80211_MESHCONF_TTL, nla_get_u8);
7461 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, mask,
7462 NL80211_MESHCONF_ELEMENT_TTL, nla_get_u8);
7463 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, mask,
7464 NL80211_MESHCONF_AUTO_OPEN_PLINKS,
7466 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor,
7468 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
7470 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, mask,
7471 NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
7473 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, mask,
7474 NL80211_MESHCONF_PATH_REFRESH_TIME,
7476 if (mask & BIT(NL80211_MESHCONF_PATH_REFRESH_TIME) &&
7477 (cfg->path_refresh_time < 1 || cfg->path_refresh_time > 65535))
7479 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, mask,
7480 NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
7482 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout,
7484 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
7486 if (mask & BIT(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT) &&
7487 (cfg->dot11MeshHWMPactivePathTimeout < 1 ||
7488 cfg->dot11MeshHWMPactivePathTimeout > 65535))
7490 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, mask,
7491 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
7493 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval, mask,
7494 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
7496 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
7497 dot11MeshHWMPnetDiameterTraversalTime, mask,
7498 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
7500 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, mask,
7501 NL80211_MESHCONF_HWMP_ROOTMODE, nla_get_u8);
7502 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, mask,
7503 NL80211_MESHCONF_HWMP_RANN_INTERVAL,
7505 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshGateAnnouncementProtocol,
7506 mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
7508 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, mask,
7509 NL80211_MESHCONF_FORWARDING, nla_get_u8);
7510 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, mask,
7511 NL80211_MESHCONF_RSSI_THRESHOLD,
7513 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConnectedToMeshGate, mask,
7514 NL80211_MESHCONF_CONNECTED_TO_GATE,
7516 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConnectedToAuthServer, mask,
7517 NL80211_MESHCONF_CONNECTED_TO_AS,
7520 * Check HT operation mode based on
7521 * IEEE 802.11-2016 9.4.2.57 HT Operation element.
7523 if (tb[NL80211_MESHCONF_HT_OPMODE]) {
7524 ht_opmode = nla_get_u16(tb[NL80211_MESHCONF_HT_OPMODE]);
7526 if (ht_opmode & ~(IEEE80211_HT_OP_MODE_PROTECTION |
7527 IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT |
7528 IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT))
7531 /* NON_HT_STA bit is reserved, but some programs set it */
7532 ht_opmode &= ~IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT;
7534 cfg->ht_opmode = ht_opmode;
7535 mask |= (1 << (NL80211_MESHCONF_HT_OPMODE - 1));
7537 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
7538 dot11MeshHWMPactivePathToRootTimeout, mask,
7539 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
7541 if (mask & BIT(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT) &&
7542 (cfg->dot11MeshHWMPactivePathToRootTimeout < 1 ||
7543 cfg->dot11MeshHWMPactivePathToRootTimeout > 65535))
7545 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, mask,
7546 NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
7548 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPconfirmationInterval,
7550 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
7552 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode, mask,
7553 NL80211_MESHCONF_POWER_MODE, nla_get_u32);
7554 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration, mask,
7555 NL80211_MESHCONF_AWAKE_WINDOW, nla_get_u16);
7556 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, plink_timeout, mask,
7557 NL80211_MESHCONF_PLINK_TIMEOUT, nla_get_u32);
7558 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNolearn, mask,
7559 NL80211_MESHCONF_NOLEARN, nla_get_u8);
7565 #undef FILL_IN_MESH_PARAM_IF_SET
7568 static int nl80211_parse_mesh_setup(struct genl_info *info,
7569 struct mesh_setup *setup)
7571 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7572 struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1];
7574 if (!info->attrs[NL80211_ATTR_MESH_SETUP])
7576 if (nla_parse_nested_deprecated(tb, NL80211_MESH_SETUP_ATTR_MAX, info->attrs[NL80211_ATTR_MESH_SETUP], nl80211_mesh_setup_params_policy, info->extack))
7579 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])
7580 setup->sync_method =
7581 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ?
7582 IEEE80211_SYNC_METHOD_VENDOR :
7583 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET;
7585 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])
7586 setup->path_sel_proto =
7587 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ?
7588 IEEE80211_PATH_PROTOCOL_VENDOR :
7589 IEEE80211_PATH_PROTOCOL_HWMP;
7591 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])
7592 setup->path_metric =
7593 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ?
7594 IEEE80211_PATH_METRIC_VENDOR :
7595 IEEE80211_PATH_METRIC_AIRTIME;
7597 if (tb[NL80211_MESH_SETUP_IE]) {
7598 struct nlattr *ieattr =
7599 tb[NL80211_MESH_SETUP_IE];
7600 setup->ie = nla_data(ieattr);
7601 setup->ie_len = nla_len(ieattr);
7603 if (tb[NL80211_MESH_SETUP_USERSPACE_MPM] &&
7604 !(rdev->wiphy.features & NL80211_FEATURE_USERSPACE_MPM))
7606 setup->user_mpm = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_MPM]);
7607 setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]);
7608 setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]);
7609 if (setup->is_secure)
7610 setup->user_mpm = true;
7612 if (tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]) {
7613 if (!setup->user_mpm)
7616 nla_get_u8(tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]);
7622 static int nl80211_update_mesh_config(struct sk_buff *skb,
7623 struct genl_info *info)
7625 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7626 struct net_device *dev = info->user_ptr[1];
7627 struct wireless_dev *wdev = dev->ieee80211_ptr;
7628 struct mesh_config cfg;
7632 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
7635 if (!rdev->ops->update_mesh_config)
7638 err = nl80211_parse_mesh_config(info, &cfg, &mask);
7643 if (!wdev->mesh_id_len)
7647 err = rdev_update_mesh_config(rdev, dev, mask, &cfg);
7654 static int nl80211_put_regdom(const struct ieee80211_regdomain *regdom,
7655 struct sk_buff *msg)
7657 struct nlattr *nl_reg_rules;
7660 if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, regdom->alpha2) ||
7661 (regdom->dfs_region &&
7662 nla_put_u8(msg, NL80211_ATTR_DFS_REGION, regdom->dfs_region)))
7663 goto nla_put_failure;
7665 nl_reg_rules = nla_nest_start_noflag(msg, NL80211_ATTR_REG_RULES);
7667 goto nla_put_failure;
7669 for (i = 0; i < regdom->n_reg_rules; i++) {
7670 struct nlattr *nl_reg_rule;
7671 const struct ieee80211_reg_rule *reg_rule;
7672 const struct ieee80211_freq_range *freq_range;
7673 const struct ieee80211_power_rule *power_rule;
7674 unsigned int max_bandwidth_khz;
7676 reg_rule = ®dom->reg_rules[i];
7677 freq_range = ®_rule->freq_range;
7678 power_rule = ®_rule->power_rule;
7680 nl_reg_rule = nla_nest_start_noflag(msg, i);
7682 goto nla_put_failure;
7684 max_bandwidth_khz = freq_range->max_bandwidth_khz;
7685 if (!max_bandwidth_khz)
7686 max_bandwidth_khz = reg_get_max_bandwidth(regdom,
7689 if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS,
7691 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START,
7692 freq_range->start_freq_khz) ||
7693 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END,
7694 freq_range->end_freq_khz) ||
7695 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW,
7696 max_bandwidth_khz) ||
7697 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN,
7698 power_rule->max_antenna_gain) ||
7699 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP,
7700 power_rule->max_eirp) ||
7701 nla_put_u32(msg, NL80211_ATTR_DFS_CAC_TIME,
7702 reg_rule->dfs_cac_ms))
7703 goto nla_put_failure;
7705 nla_nest_end(msg, nl_reg_rule);
7708 nla_nest_end(msg, nl_reg_rules);
7715 static int nl80211_get_reg_do(struct sk_buff *skb, struct genl_info *info)
7717 const struct ieee80211_regdomain *regdom = NULL;
7718 struct cfg80211_registered_device *rdev;
7719 struct wiphy *wiphy = NULL;
7720 struct sk_buff *msg;
7723 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7727 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
7728 NL80211_CMD_GET_REG);
7734 if (info->attrs[NL80211_ATTR_WIPHY]) {
7737 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
7741 return PTR_ERR(rdev);
7744 wiphy = &rdev->wiphy;
7745 self_managed = wiphy->regulatory_flags &
7746 REGULATORY_WIPHY_SELF_MANAGED;
7747 regdom = get_wiphy_regdom(wiphy);
7749 /* a self-managed-reg device must have a private regdom */
7750 if (WARN_ON(!regdom && self_managed)) {
7757 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
7758 goto nla_put_failure;
7761 if (!wiphy && reg_last_request_cell_base() &&
7762 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
7763 NL80211_USER_REG_HINT_CELL_BASE))
7764 goto nla_put_failure;
7769 regdom = rcu_dereference(cfg80211_regdomain);
7771 if (nl80211_put_regdom(regdom, msg))
7772 goto nla_put_failure_rcu;
7776 genlmsg_end(msg, hdr);
7778 return genlmsg_reply(msg, info);
7780 nla_put_failure_rcu:
7789 static int nl80211_send_regdom(struct sk_buff *msg, struct netlink_callback *cb,
7790 u32 seq, int flags, struct wiphy *wiphy,
7791 const struct ieee80211_regdomain *regdom)
7793 void *hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
7794 NL80211_CMD_GET_REG);
7799 genl_dump_check_consistent(cb, hdr);
7801 if (nl80211_put_regdom(regdom, msg))
7802 goto nla_put_failure;
7804 if (!wiphy && reg_last_request_cell_base() &&
7805 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
7806 NL80211_USER_REG_HINT_CELL_BASE))
7807 goto nla_put_failure;
7810 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
7811 goto nla_put_failure;
7813 if (wiphy && wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
7814 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
7815 goto nla_put_failure;
7817 genlmsg_end(msg, hdr);
7821 genlmsg_cancel(msg, hdr);
7825 static int nl80211_get_reg_dump(struct sk_buff *skb,
7826 struct netlink_callback *cb)
7828 const struct ieee80211_regdomain *regdom = NULL;
7829 struct cfg80211_registered_device *rdev;
7830 int err, reg_idx, start = cb->args[2];
7834 if (cfg80211_regdomain && start == 0) {
7835 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
7837 rtnl_dereference(cfg80211_regdomain));
7842 /* the global regdom is idx 0 */
7844 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
7845 regdom = get_wiphy_regdom(&rdev->wiphy);
7849 if (++reg_idx <= start)
7852 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
7853 NLM_F_MULTI, &rdev->wiphy, regdom);
7860 cb->args[2] = reg_idx;
7867 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
7868 static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = {
7869 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
7870 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
7871 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
7872 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
7873 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
7874 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
7875 [NL80211_ATTR_DFS_CAC_TIME] = { .type = NLA_U32 },
7878 static int parse_reg_rule(struct nlattr *tb[],
7879 struct ieee80211_reg_rule *reg_rule)
7881 struct ieee80211_freq_range *freq_range = ®_rule->freq_range;
7882 struct ieee80211_power_rule *power_rule = ®_rule->power_rule;
7884 if (!tb[NL80211_ATTR_REG_RULE_FLAGS])
7886 if (!tb[NL80211_ATTR_FREQ_RANGE_START])
7888 if (!tb[NL80211_ATTR_FREQ_RANGE_END])
7890 if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW])
7892 if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP])
7895 reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]);
7897 freq_range->start_freq_khz =
7898 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]);
7899 freq_range->end_freq_khz =
7900 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]);
7901 freq_range->max_bandwidth_khz =
7902 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]);
7904 power_rule->max_eirp =
7905 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]);
7907 if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN])
7908 power_rule->max_antenna_gain =
7909 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]);
7911 if (tb[NL80211_ATTR_DFS_CAC_TIME])
7912 reg_rule->dfs_cac_ms =
7913 nla_get_u32(tb[NL80211_ATTR_DFS_CAC_TIME]);
7918 static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info)
7920 struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1];
7921 struct nlattr *nl_reg_rule;
7923 int rem_reg_rules, r;
7924 u32 num_rules = 0, rule_idx = 0;
7925 enum nl80211_dfs_regions dfs_region = NL80211_DFS_UNSET;
7926 struct ieee80211_regdomain *rd;
7928 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
7931 if (!info->attrs[NL80211_ATTR_REG_RULES])
7934 alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
7936 if (info->attrs[NL80211_ATTR_DFS_REGION])
7937 dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]);
7939 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
7942 if (num_rules > NL80211_MAX_SUPP_REG_RULES)
7947 if (!reg_is_valid_request(alpha2)) {
7952 rd = kzalloc(struct_size(rd, reg_rules, num_rules), GFP_KERNEL);
7958 rd->n_reg_rules = num_rules;
7959 rd->alpha2[0] = alpha2[0];
7960 rd->alpha2[1] = alpha2[1];
7963 * Disable DFS master mode if the DFS region was
7964 * not supported or known on this kernel.
7966 if (reg_supported_dfs_region(dfs_region))
7967 rd->dfs_region = dfs_region;
7969 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
7971 r = nla_parse_nested_deprecated(tb, NL80211_REG_RULE_ATTR_MAX,
7972 nl_reg_rule, reg_rule_policy,
7976 r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]);
7982 if (rule_idx > NL80211_MAX_SUPP_REG_RULES) {
7988 r = set_regdom(rd, REGD_SOURCE_CRDA);
7989 /* set_regdom takes ownership of rd */
7997 #endif /* CONFIG_CFG80211_CRDA_SUPPORT */
7999 static int validate_scan_freqs(struct nlattr *freqs)
8001 struct nlattr *attr1, *attr2;
8002 int n_channels = 0, tmp1, tmp2;
8004 nla_for_each_nested(attr1, freqs, tmp1)
8005 if (nla_len(attr1) != sizeof(u32))
8008 nla_for_each_nested(attr1, freqs, tmp1) {
8011 * Some hardware has a limited channel list for
8012 * scanning, and it is pretty much nonsensical
8013 * to scan for a channel twice, so disallow that
8014 * and don't require drivers to check that the
8015 * channel list they get isn't longer than what
8016 * they can scan, as long as they can scan all
8017 * the channels they registered at once.
8019 nla_for_each_nested(attr2, freqs, tmp2)
8020 if (attr1 != attr2 &&
8021 nla_get_u32(attr1) == nla_get_u32(attr2))
8028 static bool is_band_valid(struct wiphy *wiphy, enum nl80211_band b)
8030 return b < NUM_NL80211_BANDS && wiphy->bands[b];
8033 static int parse_bss_select(struct nlattr *nla, struct wiphy *wiphy,
8034 struct cfg80211_bss_selection *bss_select)
8036 struct nlattr *attr[NL80211_BSS_SELECT_ATTR_MAX + 1];
8037 struct nlattr *nest;
8042 /* only process one nested attribute */
8043 nest = nla_data(nla);
8044 if (!nla_ok(nest, nla_len(nest)))
8047 err = nla_parse_nested_deprecated(attr, NL80211_BSS_SELECT_ATTR_MAX,
8048 nest, nl80211_bss_select_policy,
8053 /* only one attribute may be given */
8054 for (i = 0; i <= NL80211_BSS_SELECT_ATTR_MAX; i++) {
8062 bss_select->behaviour = __NL80211_BSS_SELECT_ATTR_INVALID;
8064 if (attr[NL80211_BSS_SELECT_ATTR_RSSI])
8065 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI;
8067 if (attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]) {
8068 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_BAND_PREF;
8069 bss_select->param.band_pref =
8070 nla_get_u32(attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]);
8071 if (!is_band_valid(wiphy, bss_select->param.band_pref))
8075 if (attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]) {
8076 struct nl80211_bss_select_rssi_adjust *adj_param;
8078 adj_param = nla_data(attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]);
8079 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI_ADJUST;
8080 bss_select->param.adjust.band = adj_param->band;
8081 bss_select->param.adjust.delta = adj_param->delta;
8082 if (!is_band_valid(wiphy, bss_select->param.adjust.band))
8086 /* user-space did not provide behaviour attribute */
8087 if (bss_select->behaviour == __NL80211_BSS_SELECT_ATTR_INVALID)
8090 if (!(wiphy->bss_select_support & BIT(bss_select->behaviour)))
8096 int nl80211_parse_random_mac(struct nlattr **attrs,
8097 u8 *mac_addr, u8 *mac_addr_mask)
8101 if (!attrs[NL80211_ATTR_MAC] && !attrs[NL80211_ATTR_MAC_MASK]) {
8102 eth_zero_addr(mac_addr);
8103 eth_zero_addr(mac_addr_mask);
8105 mac_addr_mask[0] = 0x3;
8110 /* need both or none */
8111 if (!attrs[NL80211_ATTR_MAC] || !attrs[NL80211_ATTR_MAC_MASK])
8114 memcpy(mac_addr, nla_data(attrs[NL80211_ATTR_MAC]), ETH_ALEN);
8115 memcpy(mac_addr_mask, nla_data(attrs[NL80211_ATTR_MAC_MASK]), ETH_ALEN);
8117 /* don't allow or configure an mcast address */
8118 if (!is_multicast_ether_addr(mac_addr_mask) ||
8119 is_multicast_ether_addr(mac_addr))
8123 * allow users to pass a MAC address that has bits set outside
8124 * of the mask, but don't bother drivers with having to deal
8127 for (i = 0; i < ETH_ALEN; i++)
8128 mac_addr[i] &= mac_addr_mask[i];
8133 static bool cfg80211_off_channel_oper_allowed(struct wireless_dev *wdev)
8135 ASSERT_WDEV_LOCK(wdev);
8137 if (!cfg80211_beaconing_iface_active(wdev))
8140 if (!(wdev->chandef.chan->flags & IEEE80211_CHAN_RADAR))
8143 return regulatory_pre_cac_allowed(wdev->wiphy);
8146 static bool nl80211_check_scan_feat(struct wiphy *wiphy, u32 flags, u32 flag,
8147 enum nl80211_ext_feature_index feat)
8149 if (!(flags & flag))
8151 if (wiphy_ext_feature_isset(wiphy, feat))
8157 nl80211_check_scan_flags(struct wiphy *wiphy, struct wireless_dev *wdev,
8158 void *request, struct nlattr **attrs,
8161 u8 *mac_addr, *mac_addr_mask;
8163 enum nl80211_feature_flags randomness_flag;
8165 if (!attrs[NL80211_ATTR_SCAN_FLAGS])
8168 if (is_sched_scan) {
8169 struct cfg80211_sched_scan_request *req = request;
8171 randomness_flag = wdev ?
8172 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR :
8173 NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
8174 flags = &req->flags;
8175 mac_addr = req->mac_addr;
8176 mac_addr_mask = req->mac_addr_mask;
8178 struct cfg80211_scan_request *req = request;
8180 randomness_flag = NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;
8181 flags = &req->flags;
8182 mac_addr = req->mac_addr;
8183 mac_addr_mask = req->mac_addr_mask;
8186 *flags = nla_get_u32(attrs[NL80211_ATTR_SCAN_FLAGS]);
8188 if (((*flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
8189 !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) ||
8190 !nl80211_check_scan_feat(wiphy, *flags,
8191 NL80211_SCAN_FLAG_LOW_SPAN,
8192 NL80211_EXT_FEATURE_LOW_SPAN_SCAN) ||
8193 !nl80211_check_scan_feat(wiphy, *flags,
8194 NL80211_SCAN_FLAG_LOW_POWER,
8195 NL80211_EXT_FEATURE_LOW_POWER_SCAN) ||
8196 !nl80211_check_scan_feat(wiphy, *flags,
8197 NL80211_SCAN_FLAG_HIGH_ACCURACY,
8198 NL80211_EXT_FEATURE_HIGH_ACCURACY_SCAN) ||
8199 !nl80211_check_scan_feat(wiphy, *flags,
8200 NL80211_SCAN_FLAG_FILS_MAX_CHANNEL_TIME,
8201 NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME) ||
8202 !nl80211_check_scan_feat(wiphy, *flags,
8203 NL80211_SCAN_FLAG_ACCEPT_BCAST_PROBE_RESP,
8204 NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP) ||
8205 !nl80211_check_scan_feat(wiphy, *flags,
8206 NL80211_SCAN_FLAG_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION,
8207 NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION) ||
8208 !nl80211_check_scan_feat(wiphy, *flags,
8209 NL80211_SCAN_FLAG_OCE_PROBE_REQ_HIGH_TX_RATE,
8210 NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE) ||
8211 !nl80211_check_scan_feat(wiphy, *flags,
8212 NL80211_SCAN_FLAG_RANDOM_SN,
8213 NL80211_EXT_FEATURE_SCAN_RANDOM_SN) ||
8214 !nl80211_check_scan_feat(wiphy, *flags,
8215 NL80211_SCAN_FLAG_MIN_PREQ_CONTENT,
8216 NL80211_EXT_FEATURE_SCAN_MIN_PREQ_CONTENT))
8219 if (*flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
8222 if (!(wiphy->features & randomness_flag) ||
8223 (wdev && wdev->current_bss))
8226 err = nl80211_parse_random_mac(attrs, mac_addr, mac_addr_mask);
8234 static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
8236 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8237 struct wireless_dev *wdev = info->user_ptr[1];
8238 struct cfg80211_scan_request *request;
8239 struct nlattr *scan_freqs = NULL;
8240 bool scan_freqs_khz = false;
8241 struct nlattr *attr;
8242 struct wiphy *wiphy;
8243 int err, tmp, n_ssids = 0, n_channels, i;
8246 wiphy = &rdev->wiphy;
8248 if (wdev->iftype == NL80211_IFTYPE_NAN)
8251 if (!rdev->ops->scan)
8254 if (rdev->scan_req || rdev->scan_msg)
8257 if (info->attrs[NL80211_ATTR_SCAN_FREQ_KHZ]) {
8258 if (!wiphy_ext_feature_isset(wiphy,
8259 NL80211_EXT_FEATURE_SCAN_FREQ_KHZ))
8261 scan_freqs = info->attrs[NL80211_ATTR_SCAN_FREQ_KHZ];
8262 scan_freqs_khz = true;
8263 } else if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES])
8264 scan_freqs = info->attrs[NL80211_ATTR_SCAN_FREQUENCIES];
8267 n_channels = validate_scan_freqs(scan_freqs);
8271 n_channels = ieee80211_get_num_supported_channels(wiphy);
8274 if (info->attrs[NL80211_ATTR_SCAN_SSIDS])
8275 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp)
8278 if (n_ssids > wiphy->max_scan_ssids)
8281 if (info->attrs[NL80211_ATTR_IE])
8282 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
8286 if (ie_len > wiphy->max_scan_ie_len)
8289 request = kzalloc(sizeof(*request)
8290 + sizeof(*request->ssids) * n_ssids
8291 + sizeof(*request->channels) * n_channels
8292 + ie_len, GFP_KERNEL);
8297 request->ssids = (void *)&request->channels[n_channels];
8298 request->n_ssids = n_ssids;
8301 request->ie = (void *)(request->ssids + n_ssids);
8303 request->ie = (void *)(request->channels + n_channels);
8308 /* user specified, bail out if channel not found */
8309 nla_for_each_nested(attr, scan_freqs, tmp) {
8310 struct ieee80211_channel *chan;
8311 int freq = nla_get_u32(attr);
8313 if (!scan_freqs_khz)
8314 freq = MHZ_TO_KHZ(freq);
8316 chan = ieee80211_get_channel_khz(wiphy, freq);
8322 /* ignore disabled channels */
8323 if (chan->flags & IEEE80211_CHAN_DISABLED)
8326 request->channels[i] = chan;
8330 enum nl80211_band band;
8333 for (band = 0; band < NUM_NL80211_BANDS; band++) {
8336 if (!wiphy->bands[band])
8338 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
8339 struct ieee80211_channel *chan;
8341 chan = &wiphy->bands[band]->channels[j];
8343 if (chan->flags & IEEE80211_CHAN_DISABLED)
8346 request->channels[i] = chan;
8357 request->n_channels = i;
8360 if (!cfg80211_off_channel_oper_allowed(wdev)) {
8361 struct ieee80211_channel *chan;
8363 if (request->n_channels != 1) {
8369 chan = request->channels[0];
8370 if (chan->center_freq != wdev->chandef.chan->center_freq) {
8380 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) {
8381 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
8385 request->ssids[i].ssid_len = nla_len(attr);
8386 memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr));
8391 if (info->attrs[NL80211_ATTR_IE]) {
8392 request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
8393 memcpy((void *)request->ie,
8394 nla_data(info->attrs[NL80211_ATTR_IE]),
8398 for (i = 0; i < NUM_NL80211_BANDS; i++)
8399 if (wiphy->bands[i])
8401 (1 << wiphy->bands[i]->n_bitrates) - 1;
8403 if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) {
8404 nla_for_each_nested(attr,
8405 info->attrs[NL80211_ATTR_SCAN_SUPP_RATES],
8407 enum nl80211_band band = nla_type(attr);
8409 if (band < 0 || band >= NUM_NL80211_BANDS) {
8414 if (!wiphy->bands[band])
8417 err = ieee80211_get_ratemask(wiphy->bands[band],
8420 &request->rates[band]);
8426 if (info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]) {
8428 nla_get_u16(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]);
8429 request->duration_mandatory =
8430 nla_get_flag(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY]);
8433 err = nl80211_check_scan_flags(wiphy, wdev, request, info->attrs,
8439 nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
8441 /* Initial implementation used NL80211_ATTR_MAC to set the specific
8442 * BSSID to scan for. This was problematic because that same attribute
8443 * was already used for another purpose (local random MAC address). The
8444 * NL80211_ATTR_BSSID attribute was added to fix this. For backwards
8445 * compatibility with older userspace components, also use the
8446 * NL80211_ATTR_MAC value here if it can be determined to be used for
8447 * the specific BSSID use case instead of the random MAC address
8448 * (NL80211_ATTR_SCAN_FLAGS is used to enable random MAC address use).
8450 if (info->attrs[NL80211_ATTR_BSSID])
8451 memcpy(request->bssid,
8452 nla_data(info->attrs[NL80211_ATTR_BSSID]), ETH_ALEN);
8453 else if (!(request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) &&
8454 info->attrs[NL80211_ATTR_MAC])
8455 memcpy(request->bssid, nla_data(info->attrs[NL80211_ATTR_MAC]),
8458 eth_broadcast_addr(request->bssid);
8460 request->wdev = wdev;
8461 request->wiphy = &rdev->wiphy;
8462 request->scan_start = jiffies;
8464 rdev->scan_req = request;
8465 err = cfg80211_scan(rdev);
8470 nl80211_send_scan_start(rdev, wdev);
8472 dev_hold(wdev->netdev);
8477 rdev->scan_req = NULL;
8483 static int nl80211_abort_scan(struct sk_buff *skb, struct genl_info *info)
8485 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8486 struct wireless_dev *wdev = info->user_ptr[1];
8488 if (!rdev->ops->abort_scan)
8494 if (!rdev->scan_req)
8497 rdev_abort_scan(rdev, wdev);
8502 nl80211_parse_sched_scan_plans(struct wiphy *wiphy, int n_plans,
8503 struct cfg80211_sched_scan_request *request,
8504 struct nlattr **attrs)
8506 int tmp, err, i = 0;
8507 struct nlattr *attr;
8509 if (!attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
8513 * If scan plans are not specified,
8514 * %NL80211_ATTR_SCHED_SCAN_INTERVAL will be specified. In this
8515 * case one scan plan will be set with the specified scan
8516 * interval and infinite number of iterations.
8518 interval = nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]);
8522 request->scan_plans[0].interval =
8523 DIV_ROUND_UP(interval, MSEC_PER_SEC);
8524 if (!request->scan_plans[0].interval)
8527 if (request->scan_plans[0].interval >
8528 wiphy->max_sched_scan_plan_interval)
8529 request->scan_plans[0].interval =
8530 wiphy->max_sched_scan_plan_interval;
8535 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp) {
8536 struct nlattr *plan[NL80211_SCHED_SCAN_PLAN_MAX + 1];
8538 if (WARN_ON(i >= n_plans))
8541 err = nla_parse_nested_deprecated(plan,
8542 NL80211_SCHED_SCAN_PLAN_MAX,
8543 attr, nl80211_plan_policy,
8548 if (!plan[NL80211_SCHED_SCAN_PLAN_INTERVAL])
8551 request->scan_plans[i].interval =
8552 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_INTERVAL]);
8553 if (!request->scan_plans[i].interval ||
8554 request->scan_plans[i].interval >
8555 wiphy->max_sched_scan_plan_interval)
8558 if (plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]) {
8559 request->scan_plans[i].iterations =
8560 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]);
8561 if (!request->scan_plans[i].iterations ||
8562 (request->scan_plans[i].iterations >
8563 wiphy->max_sched_scan_plan_iterations))
8565 } else if (i < n_plans - 1) {
8567 * All scan plans but the last one must specify
8568 * a finite number of iterations
8577 * The last scan plan must not specify the number of
8578 * iterations, it is supposed to run infinitely
8580 if (request->scan_plans[n_plans - 1].iterations)
8587 nl80211_parse_sched_scan_per_band_rssi(struct wiphy *wiphy,
8588 struct cfg80211_match_set *match_sets,
8589 struct nlattr *tb_band_rssi,
8592 struct nlattr *attr;
8593 int i, tmp, ret = 0;
8595 if (!wiphy_ext_feature_isset(wiphy,
8596 NL80211_EXT_FEATURE_SCHED_SCAN_BAND_SPECIFIC_RSSI_THOLD)) {
8600 for (i = 0; i < NUM_NL80211_BANDS; i++)
8601 match_sets->per_band_rssi_thold[i] =
8602 NL80211_SCAN_RSSI_THOLD_OFF;
8606 for (i = 0; i < NUM_NL80211_BANDS; i++)
8607 match_sets->per_band_rssi_thold[i] = rssi_thold;
8609 nla_for_each_nested(attr, tb_band_rssi, tmp) {
8610 enum nl80211_band band = nla_type(attr);
8612 if (band < 0 || band >= NUM_NL80211_BANDS)
8615 match_sets->per_band_rssi_thold[band] = nla_get_s32(attr);
8621 static struct cfg80211_sched_scan_request *
8622 nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev,
8623 struct nlattr **attrs, int max_match_sets)
8625 struct cfg80211_sched_scan_request *request;
8626 struct nlattr *attr;
8627 int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i, n_plans = 0;
8628 enum nl80211_band band;
8630 struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1];
8631 s32 default_match_rssi = NL80211_SCAN_RSSI_THOLD_OFF;
8633 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
8634 n_channels = validate_scan_freqs(
8635 attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
8637 return ERR_PTR(-EINVAL);
8639 n_channels = ieee80211_get_num_supported_channels(wiphy);
8642 if (attrs[NL80211_ATTR_SCAN_SSIDS])
8643 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
8647 if (n_ssids > wiphy->max_sched_scan_ssids)
8648 return ERR_PTR(-EINVAL);
8651 * First, count the number of 'real' matchsets. Due to an issue with
8652 * the old implementation, matchsets containing only the RSSI attribute
8653 * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default'
8654 * RSSI for all matchsets, rather than their own matchset for reporting
8655 * all APs with a strong RSSI. This is needed to be compatible with
8656 * older userspace that treated a matchset with only the RSSI as the
8657 * global RSSI for all other matchsets - if there are other matchsets.
8659 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
8660 nla_for_each_nested(attr,
8661 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
8663 struct nlattr *rssi;
8665 err = nla_parse_nested_deprecated(tb,
8666 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
8668 nl80211_match_policy,
8671 return ERR_PTR(err);
8673 /* SSID and BSSID are mutually exclusive */
8674 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] &&
8675 tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID])
8676 return ERR_PTR(-EINVAL);
8678 /* add other standalone attributes here */
8679 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] ||
8680 tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID]) {
8684 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
8686 default_match_rssi = nla_get_s32(rssi);
8690 /* However, if there's no other matchset, add the RSSI one */
8691 if (!n_match_sets && default_match_rssi != NL80211_SCAN_RSSI_THOLD_OFF)
8694 if (n_match_sets > max_match_sets)
8695 return ERR_PTR(-EINVAL);
8697 if (attrs[NL80211_ATTR_IE])
8698 ie_len = nla_len(attrs[NL80211_ATTR_IE]);
8702 if (ie_len > wiphy->max_sched_scan_ie_len)
8703 return ERR_PTR(-EINVAL);
8705 if (attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
8707 * NL80211_ATTR_SCHED_SCAN_INTERVAL must not be specified since
8708 * each scan plan already specifies its own interval
8710 if (attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
8711 return ERR_PTR(-EINVAL);
8713 nla_for_each_nested(attr,
8714 attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp)
8718 * The scan interval attribute is kept for backward
8719 * compatibility. If no scan plans are specified and sched scan
8720 * interval is specified, one scan plan will be set with this
8721 * scan interval and infinite number of iterations.
8723 if (!attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
8724 return ERR_PTR(-EINVAL);
8729 if (!n_plans || n_plans > wiphy->max_sched_scan_plans)
8730 return ERR_PTR(-EINVAL);
8732 if (!wiphy_ext_feature_isset(
8733 wiphy, NL80211_EXT_FEATURE_SCHED_SCAN_RELATIVE_RSSI) &&
8734 (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] ||
8735 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]))
8736 return ERR_PTR(-EINVAL);
8738 request = kzalloc(sizeof(*request)
8739 + sizeof(*request->ssids) * n_ssids
8740 + sizeof(*request->match_sets) * n_match_sets
8741 + sizeof(*request->scan_plans) * n_plans
8742 + sizeof(*request->channels) * n_channels
8743 + ie_len, GFP_KERNEL);
8745 return ERR_PTR(-ENOMEM);
8748 request->ssids = (void *)&request->channels[n_channels];
8749 request->n_ssids = n_ssids;
8752 request->ie = (void *)(request->ssids + n_ssids);
8754 request->ie = (void *)(request->channels + n_channels);
8759 request->match_sets = (void *)(request->ie + ie_len);
8761 request->match_sets =
8762 (void *)(request->ssids + n_ssids);
8764 request->match_sets =
8765 (void *)(request->channels + n_channels);
8767 request->n_match_sets = n_match_sets;
8770 request->scan_plans = (void *)(request->match_sets +
8772 else if (request->ie)
8773 request->scan_plans = (void *)(request->ie + ie_len);
8775 request->scan_plans = (void *)(request->ssids + n_ssids);
8777 request->scan_plans = (void *)(request->channels + n_channels);
8779 request->n_scan_plans = n_plans;
8782 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
8783 /* user specified, bail out if channel not found */
8784 nla_for_each_nested(attr,
8785 attrs[NL80211_ATTR_SCAN_FREQUENCIES],
8787 struct ieee80211_channel *chan;
8789 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
8796 /* ignore disabled channels */
8797 if (chan->flags & IEEE80211_CHAN_DISABLED)
8800 request->channels[i] = chan;
8805 for (band = 0; band < NUM_NL80211_BANDS; band++) {
8808 if (!wiphy->bands[band])
8810 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
8811 struct ieee80211_channel *chan;
8813 chan = &wiphy->bands[band]->channels[j];
8815 if (chan->flags & IEEE80211_CHAN_DISABLED)
8818 request->channels[i] = chan;
8829 request->n_channels = i;
8833 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
8835 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
8839 request->ssids[i].ssid_len = nla_len(attr);
8840 memcpy(request->ssids[i].ssid, nla_data(attr),
8847 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
8848 nla_for_each_nested(attr,
8849 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
8851 struct nlattr *ssid, *bssid, *rssi;
8853 err = nla_parse_nested_deprecated(tb,
8854 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
8856 nl80211_match_policy,
8860 ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID];
8861 bssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID];
8863 if (!ssid && !bssid) {
8868 if (WARN_ON(i >= n_match_sets)) {
8869 /* this indicates a programming error,
8870 * the loop above should have verified
8878 memcpy(request->match_sets[i].ssid.ssid,
8879 nla_data(ssid), nla_len(ssid));
8880 request->match_sets[i].ssid.ssid_len =
8884 memcpy(request->match_sets[i].bssid,
8885 nla_data(bssid), ETH_ALEN);
8887 /* special attribute - old implementation w/a */
8888 request->match_sets[i].rssi_thold = default_match_rssi;
8889 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
8891 request->match_sets[i].rssi_thold =
8894 /* Parse per band RSSI attribute */
8895 err = nl80211_parse_sched_scan_per_band_rssi(wiphy,
8896 &request->match_sets[i],
8897 tb[NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI],
8898 request->match_sets[i].rssi_thold);
8905 /* there was no other matchset, so the RSSI one is alone */
8906 if (i == 0 && n_match_sets)
8907 request->match_sets[0].rssi_thold = default_match_rssi;
8909 request->min_rssi_thold = INT_MAX;
8910 for (i = 0; i < n_match_sets; i++)
8911 request->min_rssi_thold =
8912 min(request->match_sets[i].rssi_thold,
8913 request->min_rssi_thold);
8915 request->min_rssi_thold = NL80211_SCAN_RSSI_THOLD_OFF;
8919 request->ie_len = ie_len;
8920 memcpy((void *)request->ie,
8921 nla_data(attrs[NL80211_ATTR_IE]),
8925 err = nl80211_check_scan_flags(wiphy, wdev, request, attrs, true);
8929 if (attrs[NL80211_ATTR_SCHED_SCAN_DELAY])
8931 nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_DELAY]);
8933 if (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]) {
8934 request->relative_rssi = nla_get_s8(
8935 attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]);
8936 request->relative_rssi_set = true;
8939 if (request->relative_rssi_set &&
8940 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]) {
8941 struct nl80211_bss_select_rssi_adjust *rssi_adjust;
8943 rssi_adjust = nla_data(
8944 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]);
8945 request->rssi_adjust.band = rssi_adjust->band;
8946 request->rssi_adjust.delta = rssi_adjust->delta;
8947 if (!is_band_valid(wiphy, request->rssi_adjust.band)) {
8953 err = nl80211_parse_sched_scan_plans(wiphy, n_plans, request, attrs);
8957 request->scan_start = jiffies;
8963 return ERR_PTR(err);
8966 static int nl80211_start_sched_scan(struct sk_buff *skb,
8967 struct genl_info *info)
8969 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8970 struct net_device *dev = info->user_ptr[1];
8971 struct wireless_dev *wdev = dev->ieee80211_ptr;
8972 struct cfg80211_sched_scan_request *sched_scan_req;
8976 if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_start)
8979 want_multi = info->attrs[NL80211_ATTR_SCHED_SCAN_MULTI];
8980 err = cfg80211_sched_scan_req_possible(rdev, want_multi);
8984 sched_scan_req = nl80211_parse_sched_scan(&rdev->wiphy, wdev,
8986 rdev->wiphy.max_match_sets);
8988 err = PTR_ERR_OR_ZERO(sched_scan_req);
8992 /* leave request id zero for legacy request
8993 * or if driver does not support multi-scheduled scan
8995 if (want_multi && rdev->wiphy.max_sched_scan_reqs > 1)
8996 sched_scan_req->reqid = cfg80211_assign_cookie(rdev);
8998 err = rdev_sched_scan_start(rdev, dev, sched_scan_req);
9002 sched_scan_req->dev = dev;
9003 sched_scan_req->wiphy = &rdev->wiphy;
9005 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
9006 sched_scan_req->owner_nlportid = info->snd_portid;
9008 cfg80211_add_sched_scan_req(rdev, sched_scan_req);
9010 nl80211_send_sched_scan(sched_scan_req, NL80211_CMD_START_SCHED_SCAN);
9014 kfree(sched_scan_req);
9019 static int nl80211_stop_sched_scan(struct sk_buff *skb,
9020 struct genl_info *info)
9022 struct cfg80211_sched_scan_request *req;
9023 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9026 if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_stop)
9029 if (info->attrs[NL80211_ATTR_COOKIE]) {
9030 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
9031 return __cfg80211_stop_sched_scan(rdev, cookie, false);
9034 req = list_first_or_null_rcu(&rdev->sched_scan_req_list,
9035 struct cfg80211_sched_scan_request,
9037 if (!req || req->reqid ||
9038 (req->owner_nlportid &&
9039 req->owner_nlportid != info->snd_portid))
9042 return cfg80211_stop_sched_scan_req(rdev, req, false);
9045 static int nl80211_start_radar_detection(struct sk_buff *skb,
9046 struct genl_info *info)
9048 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9049 struct net_device *dev = info->user_ptr[1];
9050 struct wireless_dev *wdev = dev->ieee80211_ptr;
9051 struct wiphy *wiphy = wdev->wiphy;
9052 struct cfg80211_chan_def chandef;
9053 enum nl80211_dfs_regions dfs_region;
9054 unsigned int cac_time_ms;
9057 dfs_region = reg_get_dfs_region(wiphy);
9058 if (dfs_region == NL80211_DFS_UNSET)
9061 err = nl80211_parse_chandef(rdev, info, &chandef);
9065 if (netif_carrier_ok(dev))
9068 if (wdev->cac_started)
9071 err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype);
9078 if (!cfg80211_chandef_dfs_usable(wiphy, &chandef))
9081 /* CAC start is offloaded to HW and can't be started manually */
9082 if (wiphy_ext_feature_isset(wiphy, NL80211_EXT_FEATURE_DFS_OFFLOAD))
9085 if (!rdev->ops->start_radar_detection)
9088 cac_time_ms = cfg80211_chandef_dfs_cac_time(&rdev->wiphy, &chandef);
9089 if (WARN_ON(!cac_time_ms))
9090 cac_time_ms = IEEE80211_DFS_MIN_CAC_TIME_MS;
9092 err = rdev_start_radar_detection(rdev, dev, &chandef, cac_time_ms);
9094 wdev->chandef = chandef;
9095 wdev->cac_started = true;
9096 wdev->cac_start_time = jiffies;
9097 wdev->cac_time_ms = cac_time_ms;
9102 static int nl80211_notify_radar_detection(struct sk_buff *skb,
9103 struct genl_info *info)
9105 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9106 struct net_device *dev = info->user_ptr[1];
9107 struct wireless_dev *wdev = dev->ieee80211_ptr;
9108 struct wiphy *wiphy = wdev->wiphy;
9109 struct cfg80211_chan_def chandef;
9110 enum nl80211_dfs_regions dfs_region;
9113 dfs_region = reg_get_dfs_region(wiphy);
9114 if (dfs_region == NL80211_DFS_UNSET) {
9115 GENL_SET_ERR_MSG(info,
9116 "DFS Region is not set. Unexpected Radar indication");
9120 err = nl80211_parse_chandef(rdev, info, &chandef);
9122 GENL_SET_ERR_MSG(info, "Unable to extract chandef info");
9126 err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype);
9128 GENL_SET_ERR_MSG(info, "chandef is invalid");
9133 GENL_SET_ERR_MSG(info,
9134 "Unexpected Radar indication for chandef/iftype");
9138 /* Do not process this notification if radar is already detected
9139 * by kernel on this channel, and return success.
9141 if (chandef.chan->dfs_state == NL80211_DFS_UNAVAILABLE)
9144 cfg80211_set_dfs_state(wiphy, &chandef, NL80211_DFS_UNAVAILABLE);
9146 cfg80211_sched_dfs_chan_update(rdev);
9148 rdev->radar_chandef = chandef;
9150 /* Propagate this notification to other radios as well */
9151 queue_work(cfg80211_wq, &rdev->propagate_radar_detect_wk);
9156 static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info)
9158 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9159 struct net_device *dev = info->user_ptr[1];
9160 struct wireless_dev *wdev = dev->ieee80211_ptr;
9161 struct cfg80211_csa_settings params;
9162 struct nlattr **csa_attrs = NULL;
9164 bool need_new_beacon = false;
9165 bool need_handle_dfs_flag = true;
9169 if (!rdev->ops->channel_switch ||
9170 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH))
9173 switch (dev->ieee80211_ptr->iftype) {
9174 case NL80211_IFTYPE_AP:
9175 case NL80211_IFTYPE_P2P_GO:
9176 need_new_beacon = true;
9177 /* For all modes except AP the handle_dfs flag needs to be
9178 * supplied to tell the kernel that userspace will handle radar
9179 * events when they happen. Otherwise a switch to a channel
9180 * requiring DFS will be rejected.
9182 need_handle_dfs_flag = false;
9184 /* useless if AP is not running */
9185 if (!wdev->beacon_interval)
9188 case NL80211_IFTYPE_ADHOC:
9189 if (!wdev->ssid_len)
9192 case NL80211_IFTYPE_MESH_POINT:
9193 if (!wdev->mesh_id_len)
9200 memset(¶ms, 0, sizeof(params));
9201 params.beacon_csa.ftm_responder = -1;
9203 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
9204 !info->attrs[NL80211_ATTR_CH_SWITCH_COUNT])
9207 /* only important for AP, IBSS and mesh create IEs internally */
9208 if (need_new_beacon && !info->attrs[NL80211_ATTR_CSA_IES])
9211 /* Even though the attribute is u32, the specification says
9212 * u8, so let's make sure we don't overflow.
9214 cs_count = nla_get_u32(info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]);
9218 params.count = cs_count;
9220 if (!need_new_beacon)
9223 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms.beacon_after);
9227 csa_attrs = kcalloc(NL80211_ATTR_MAX + 1, sizeof(*csa_attrs),
9232 err = nla_parse_nested_deprecated(csa_attrs, NL80211_ATTR_MAX,
9233 info->attrs[NL80211_ATTR_CSA_IES],
9234 nl80211_policy, info->extack);
9238 err = nl80211_parse_beacon(rdev, csa_attrs, ¶ms.beacon_csa);
9242 if (!csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON]) {
9247 len = nla_len(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON]);
9248 if (!len || (len % sizeof(u16))) {
9253 params.n_counter_offsets_beacon = len / sizeof(u16);
9254 if (rdev->wiphy.max_num_csa_counters &&
9255 (params.n_counter_offsets_beacon >
9256 rdev->wiphy.max_num_csa_counters)) {
9261 params.counter_offsets_beacon =
9262 nla_data(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON]);
9264 /* sanity checks - counters should fit and be the same */
9265 for (i = 0; i < params.n_counter_offsets_beacon; i++) {
9266 u16 offset = params.counter_offsets_beacon[i];
9268 if (offset >= params.beacon_csa.tail_len) {
9273 if (params.beacon_csa.tail[offset] != params.count) {
9279 if (csa_attrs[NL80211_ATTR_CNTDWN_OFFS_PRESP]) {
9280 len = nla_len(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_PRESP]);
9281 if (!len || (len % sizeof(u16))) {
9286 params.n_counter_offsets_presp = len / sizeof(u16);
9287 if (rdev->wiphy.max_num_csa_counters &&
9288 (params.n_counter_offsets_presp >
9289 rdev->wiphy.max_num_csa_counters)) {
9294 params.counter_offsets_presp =
9295 nla_data(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_PRESP]);
9297 /* sanity checks - counters should fit and be the same */
9298 for (i = 0; i < params.n_counter_offsets_presp; i++) {
9299 u16 offset = params.counter_offsets_presp[i];
9301 if (offset >= params.beacon_csa.probe_resp_len) {
9306 if (params.beacon_csa.probe_resp[offset] !=
9315 err = nl80211_parse_chandef(rdev, info, ¶ms.chandef);
9319 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef,
9325 err = cfg80211_chandef_dfs_required(wdev->wiphy,
9332 params.radar_required = true;
9333 if (need_handle_dfs_flag &&
9334 !nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS])) {
9340 if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX])
9341 params.block_tx = true;
9344 err = rdev_channel_switch(rdev, dev, ¶ms);
9352 static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
9354 struct cfg80211_registered_device *rdev,
9355 struct wireless_dev *wdev,
9356 struct cfg80211_internal_bss *intbss)
9358 struct cfg80211_bss *res = &intbss->pub;
9359 const struct cfg80211_bss_ies *ies;
9363 ASSERT_WDEV_LOCK(wdev);
9365 hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
9366 NL80211_CMD_NEW_SCAN_RESULTS);
9370 genl_dump_check_consistent(cb, hdr);
9372 if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation))
9373 goto nla_put_failure;
9375 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex))
9376 goto nla_put_failure;
9377 if (nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
9379 goto nla_put_failure;
9381 bss = nla_nest_start_noflag(msg, NL80211_ATTR_BSS);
9383 goto nla_put_failure;
9384 if ((!is_zero_ether_addr(res->bssid) &&
9385 nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid)))
9386 goto nla_put_failure;
9389 /* indicate whether we have probe response data or not */
9390 if (rcu_access_pointer(res->proberesp_ies) &&
9391 nla_put_flag(msg, NL80211_BSS_PRESP_DATA))
9392 goto fail_unlock_rcu;
9394 /* this pointer prefers to be pointed to probe response data
9395 * but is always valid
9397 ies = rcu_dereference(res->ies);
9399 if (nla_put_u64_64bit(msg, NL80211_BSS_TSF, ies->tsf,
9401 goto fail_unlock_rcu;
9402 if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS,
9403 ies->len, ies->data))
9404 goto fail_unlock_rcu;
9407 /* and this pointer is always (unless driver didn't know) beacon data */
9408 ies = rcu_dereference(res->beacon_ies);
9409 if (ies && ies->from_beacon) {
9410 if (nla_put_u64_64bit(msg, NL80211_BSS_BEACON_TSF, ies->tsf,
9412 goto fail_unlock_rcu;
9413 if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES,
9414 ies->len, ies->data))
9415 goto fail_unlock_rcu;
9419 if (res->beacon_interval &&
9420 nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval))
9421 goto nla_put_failure;
9422 if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) ||
9423 nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) ||
9424 nla_put_u32(msg, NL80211_BSS_FREQUENCY_OFFSET,
9425 res->channel->freq_offset) ||
9426 nla_put_u32(msg, NL80211_BSS_CHAN_WIDTH, res->scan_width) ||
9427 nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO,
9428 jiffies_to_msecs(jiffies - intbss->ts)))
9429 goto nla_put_failure;
9431 if (intbss->parent_tsf &&
9432 (nla_put_u64_64bit(msg, NL80211_BSS_PARENT_TSF,
9433 intbss->parent_tsf, NL80211_BSS_PAD) ||
9434 nla_put(msg, NL80211_BSS_PARENT_BSSID, ETH_ALEN,
9435 intbss->parent_bssid)))
9436 goto nla_put_failure;
9438 if (intbss->ts_boottime &&
9439 nla_put_u64_64bit(msg, NL80211_BSS_LAST_SEEN_BOOTTIME,
9440 intbss->ts_boottime, NL80211_BSS_PAD))
9441 goto nla_put_failure;
9443 if (!nl80211_put_signal(msg, intbss->pub.chains,
9444 intbss->pub.chain_signal,
9445 NL80211_BSS_CHAIN_SIGNAL))
9446 goto nla_put_failure;
9448 switch (rdev->wiphy.signal_type) {
9449 case CFG80211_SIGNAL_TYPE_MBM:
9450 if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal))
9451 goto nla_put_failure;
9453 case CFG80211_SIGNAL_TYPE_UNSPEC:
9454 if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal))
9455 goto nla_put_failure;
9461 switch (wdev->iftype) {
9462 case NL80211_IFTYPE_P2P_CLIENT:
9463 case NL80211_IFTYPE_STATION:
9464 if (intbss == wdev->current_bss &&
9465 nla_put_u32(msg, NL80211_BSS_STATUS,
9466 NL80211_BSS_STATUS_ASSOCIATED))
9467 goto nla_put_failure;
9469 case NL80211_IFTYPE_ADHOC:
9470 if (intbss == wdev->current_bss &&
9471 nla_put_u32(msg, NL80211_BSS_STATUS,
9472 NL80211_BSS_STATUS_IBSS_JOINED))
9473 goto nla_put_failure;
9479 nla_nest_end(msg, bss);
9481 genlmsg_end(msg, hdr);
9487 genlmsg_cancel(msg, hdr);
9491 static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb)
9493 struct cfg80211_registered_device *rdev;
9494 struct cfg80211_internal_bss *scan;
9495 struct wireless_dev *wdev;
9496 int start = cb->args[2], idx = 0;
9499 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
9502 /* nl80211_prepare_wdev_dump acquired it in the successful case */
9503 __acquire(&rdev->wiphy.mtx);
9506 spin_lock_bh(&rdev->bss_lock);
9509 * dump_scan will be called multiple times to break up the scan results
9510 * into multiple messages. It is unlikely that any more bss-es will be
9511 * expired after the first call, so only call only call this on the
9512 * first dump_scan invocation.
9515 cfg80211_bss_expire(rdev);
9517 cb->seq = rdev->bss_generation;
9519 list_for_each_entry(scan, &rdev->bss_list, list) {
9522 if (nl80211_send_bss(skb, cb,
9523 cb->nlh->nlmsg_seq, NLM_F_MULTI,
9524 rdev, wdev, scan) < 0) {
9530 spin_unlock_bh(&rdev->bss_lock);
9534 wiphy_unlock(&rdev->wiphy);
9539 static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq,
9540 int flags, struct net_device *dev,
9541 bool allow_radio_stats,
9542 struct survey_info *survey)
9545 struct nlattr *infoattr;
9547 /* skip radio stats if userspace didn't request them */
9548 if (!survey->channel && !allow_radio_stats)
9551 hdr = nl80211hdr_put(msg, portid, seq, flags,
9552 NL80211_CMD_NEW_SURVEY_RESULTS);
9556 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
9557 goto nla_put_failure;
9559 infoattr = nla_nest_start_noflag(msg, NL80211_ATTR_SURVEY_INFO);
9561 goto nla_put_failure;
9563 if (survey->channel &&
9564 nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY,
9565 survey->channel->center_freq))
9566 goto nla_put_failure;
9568 if (survey->channel && survey->channel->freq_offset &&
9569 nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY_OFFSET,
9570 survey->channel->freq_offset))
9571 goto nla_put_failure;
9573 if ((survey->filled & SURVEY_INFO_NOISE_DBM) &&
9574 nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise))
9575 goto nla_put_failure;
9576 if ((survey->filled & SURVEY_INFO_IN_USE) &&
9577 nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE))
9578 goto nla_put_failure;
9579 if ((survey->filled & SURVEY_INFO_TIME) &&
9580 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME,
9581 survey->time, NL80211_SURVEY_INFO_PAD))
9582 goto nla_put_failure;
9583 if ((survey->filled & SURVEY_INFO_TIME_BUSY) &&
9584 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BUSY,
9585 survey->time_busy, NL80211_SURVEY_INFO_PAD))
9586 goto nla_put_failure;
9587 if ((survey->filled & SURVEY_INFO_TIME_EXT_BUSY) &&
9588 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_EXT_BUSY,
9589 survey->time_ext_busy, NL80211_SURVEY_INFO_PAD))
9590 goto nla_put_failure;
9591 if ((survey->filled & SURVEY_INFO_TIME_RX) &&
9592 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_RX,
9593 survey->time_rx, NL80211_SURVEY_INFO_PAD))
9594 goto nla_put_failure;
9595 if ((survey->filled & SURVEY_INFO_TIME_TX) &&
9596 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_TX,
9597 survey->time_tx, NL80211_SURVEY_INFO_PAD))
9598 goto nla_put_failure;
9599 if ((survey->filled & SURVEY_INFO_TIME_SCAN) &&
9600 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_SCAN,
9601 survey->time_scan, NL80211_SURVEY_INFO_PAD))
9602 goto nla_put_failure;
9603 if ((survey->filled & SURVEY_INFO_TIME_BSS_RX) &&
9604 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BSS_RX,
9605 survey->time_bss_rx, NL80211_SURVEY_INFO_PAD))
9606 goto nla_put_failure;
9608 nla_nest_end(msg, infoattr);
9610 genlmsg_end(msg, hdr);
9614 genlmsg_cancel(msg, hdr);
9618 static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb)
9620 struct nlattr **attrbuf;
9621 struct survey_info survey;
9622 struct cfg80211_registered_device *rdev;
9623 struct wireless_dev *wdev;
9624 int survey_idx = cb->args[2];
9628 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf), GFP_KERNEL);
9632 res = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
9637 /* nl80211_prepare_wdev_dump acquired it in the successful case */
9638 __acquire(&rdev->wiphy.mtx);
9640 /* prepare_wdev_dump parsed the attributes */
9641 radio_stats = attrbuf[NL80211_ATTR_SURVEY_RADIO_STATS];
9643 if (!wdev->netdev) {
9648 if (!rdev->ops->dump_survey) {
9654 res = rdev_dump_survey(rdev, wdev->netdev, survey_idx, &survey);
9660 /* don't send disabled channels, but do send non-channel data */
9661 if (survey.channel &&
9662 survey.channel->flags & IEEE80211_CHAN_DISABLED) {
9667 if (nl80211_send_survey(skb,
9668 NETLINK_CB(cb->skb).portid,
9669 cb->nlh->nlmsg_seq, NLM_F_MULTI,
9670 wdev->netdev, radio_stats, &survey) < 0)
9676 cb->args[2] = survey_idx;
9680 wiphy_unlock(&rdev->wiphy);
9684 static bool nl80211_valid_wpa_versions(u32 wpa_versions)
9686 return !(wpa_versions & ~(NL80211_WPA_VERSION_1 |
9687 NL80211_WPA_VERSION_2 |
9688 NL80211_WPA_VERSION_3));
9691 static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
9693 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9694 struct net_device *dev = info->user_ptr[1];
9695 struct ieee80211_channel *chan;
9696 const u8 *bssid, *ssid, *ie = NULL, *auth_data = NULL;
9697 int err, ssid_len, ie_len = 0, auth_data_len = 0;
9698 enum nl80211_auth_type auth_type;
9699 struct key_parse key;
9700 bool local_state_change;
9703 if (!info->attrs[NL80211_ATTR_MAC])
9706 if (!info->attrs[NL80211_ATTR_AUTH_TYPE])
9709 if (!info->attrs[NL80211_ATTR_SSID])
9712 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
9715 err = nl80211_parse_key(info, &key);
9720 if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP)
9722 if (!key.p.key || !key.p.key_len)
9724 if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 ||
9725 key.p.key_len != WLAN_KEY_LEN_WEP40) &&
9726 (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 ||
9727 key.p.key_len != WLAN_KEY_LEN_WEP104))
9740 for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) {
9741 if (key.p.cipher == rdev->wiphy.cipher_suites[i]) {
9750 if (!rdev->ops->auth)
9753 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
9754 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9757 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
9758 freq = MHZ_TO_KHZ(nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
9759 if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
9761 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
9763 chan = nl80211_get_valid_chan(&rdev->wiphy, freq);
9767 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
9768 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
9770 if (info->attrs[NL80211_ATTR_IE]) {
9771 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9772 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9775 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
9776 if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE))
9779 if ((auth_type == NL80211_AUTHTYPE_SAE ||
9780 auth_type == NL80211_AUTHTYPE_FILS_SK ||
9781 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
9782 auth_type == NL80211_AUTHTYPE_FILS_PK) &&
9783 !info->attrs[NL80211_ATTR_AUTH_DATA])
9786 if (info->attrs[NL80211_ATTR_AUTH_DATA]) {
9787 if (auth_type != NL80211_AUTHTYPE_SAE &&
9788 auth_type != NL80211_AUTHTYPE_FILS_SK &&
9789 auth_type != NL80211_AUTHTYPE_FILS_SK_PFS &&
9790 auth_type != NL80211_AUTHTYPE_FILS_PK)
9792 auth_data = nla_data(info->attrs[NL80211_ATTR_AUTH_DATA]);
9793 auth_data_len = nla_len(info->attrs[NL80211_ATTR_AUTH_DATA]);
9796 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
9799 * Since we no longer track auth state, ignore
9800 * requests to only change local state.
9802 if (local_state_change)
9805 wdev_lock(dev->ieee80211_ptr);
9806 err = cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid,
9807 ssid, ssid_len, ie, ie_len,
9808 key.p.key, key.p.key_len, key.idx,
9809 auth_data, auth_data_len);
9810 wdev_unlock(dev->ieee80211_ptr);
9814 static int validate_pae_over_nl80211(struct cfg80211_registered_device *rdev,
9815 struct genl_info *info)
9817 if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
9818 GENL_SET_ERR_MSG(info, "SOCKET_OWNER not set");
9822 if (!rdev->ops->tx_control_port ||
9823 !wiphy_ext_feature_isset(&rdev->wiphy,
9824 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
9830 static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
9831 struct genl_info *info,
9832 struct cfg80211_crypto_settings *settings,
9835 memset(settings, 0, sizeof(*settings));
9837 settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT];
9839 if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
9842 proto = nla_get_u16(
9843 info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
9844 settings->control_port_ethertype = cpu_to_be16(proto);
9845 if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
9848 if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT])
9849 settings->control_port_no_encrypt = true;
9851 settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE);
9853 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
9854 int r = validate_pae_over_nl80211(rdev, info);
9859 settings->control_port_over_nl80211 = true;
9861 if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_PREAUTH])
9862 settings->control_port_no_preauth = true;
9865 if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) {
9869 data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
9870 len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
9871 settings->n_ciphers_pairwise = len / sizeof(u32);
9873 if (len % sizeof(u32))
9876 if (settings->n_ciphers_pairwise > cipher_limit)
9879 memcpy(settings->ciphers_pairwise, data, len);
9881 for (i = 0; i < settings->n_ciphers_pairwise; i++)
9882 if (!cfg80211_supported_cipher_suite(
9884 settings->ciphers_pairwise[i]))
9888 if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) {
9889 settings->cipher_group =
9890 nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]);
9891 if (!cfg80211_supported_cipher_suite(&rdev->wiphy,
9892 settings->cipher_group))
9896 if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) {
9897 settings->wpa_versions =
9898 nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]);
9899 if (!nl80211_valid_wpa_versions(settings->wpa_versions))
9903 if (info->attrs[NL80211_ATTR_AKM_SUITES]) {
9907 data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]);
9908 len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]);
9909 settings->n_akm_suites = len / sizeof(u32);
9911 if (len % sizeof(u32))
9914 if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES)
9917 memcpy(settings->akm_suites, data, len);
9920 if (info->attrs[NL80211_ATTR_PMK]) {
9921 if (nla_len(info->attrs[NL80211_ATTR_PMK]) != WLAN_PMK_LEN)
9923 if (!wiphy_ext_feature_isset(&rdev->wiphy,
9924 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_PSK) &&
9925 !wiphy_ext_feature_isset(&rdev->wiphy,
9926 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_AP_PSK))
9928 settings->psk = nla_data(info->attrs[NL80211_ATTR_PMK]);
9931 if (info->attrs[NL80211_ATTR_SAE_PASSWORD]) {
9932 if (!wiphy_ext_feature_isset(&rdev->wiphy,
9933 NL80211_EXT_FEATURE_SAE_OFFLOAD) &&
9934 !wiphy_ext_feature_isset(&rdev->wiphy,
9935 NL80211_EXT_FEATURE_SAE_OFFLOAD_AP))
9938 nla_data(info->attrs[NL80211_ATTR_SAE_PASSWORD]);
9939 settings->sae_pwd_len =
9940 nla_len(info->attrs[NL80211_ATTR_SAE_PASSWORD]);
9943 if (info->attrs[NL80211_ATTR_SAE_PWE])
9945 nla_get_u8(info->attrs[NL80211_ATTR_SAE_PWE]);
9947 settings->sae_pwe = NL80211_SAE_PWE_UNSPECIFIED;
9952 static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
9954 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9955 struct net_device *dev = info->user_ptr[1];
9956 struct ieee80211_channel *chan;
9957 struct cfg80211_assoc_request req = {};
9958 const u8 *bssid, *ssid;
9959 int err, ssid_len = 0;
9962 if (dev->ieee80211_ptr->conn_owner_nlportid &&
9963 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
9966 if (!info->attrs[NL80211_ATTR_MAC] ||
9967 !info->attrs[NL80211_ATTR_SSID] ||
9968 !info->attrs[NL80211_ATTR_WIPHY_FREQ])
9971 if (!rdev->ops->assoc)
9974 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
9975 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9978 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
9980 freq = MHZ_TO_KHZ(nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
9981 if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
9983 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
9984 chan = nl80211_get_valid_chan(&rdev->wiphy, freq);
9988 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
9989 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
9991 if (info->attrs[NL80211_ATTR_IE]) {
9992 req.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9993 req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9996 if (info->attrs[NL80211_ATTR_USE_MFP]) {
9997 enum nl80211_mfp mfp =
9998 nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
9999 if (mfp == NL80211_MFP_REQUIRED)
10000 req.use_mfp = true;
10001 else if (mfp != NL80211_MFP_NO)
10005 if (info->attrs[NL80211_ATTR_PREV_BSSID])
10006 req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
10008 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
10009 req.flags |= ASSOC_REQ_DISABLE_HT;
10011 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
10012 memcpy(&req.ht_capa_mask,
10013 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
10014 sizeof(req.ht_capa_mask));
10016 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
10017 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
10019 memcpy(&req.ht_capa,
10020 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
10021 sizeof(req.ht_capa));
10024 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
10025 req.flags |= ASSOC_REQ_DISABLE_VHT;
10027 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HE]))
10028 req.flags |= ASSOC_REQ_DISABLE_HE;
10030 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
10031 memcpy(&req.vht_capa_mask,
10032 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
10033 sizeof(req.vht_capa_mask));
10035 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
10036 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
10038 memcpy(&req.vht_capa,
10039 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
10040 sizeof(req.vht_capa));
10043 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
10044 if (!((rdev->wiphy.features &
10045 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
10046 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
10047 !wiphy_ext_feature_isset(&rdev->wiphy,
10048 NL80211_EXT_FEATURE_RRM))
10050 req.flags |= ASSOC_REQ_USE_RRM;
10053 if (info->attrs[NL80211_ATTR_FILS_KEK]) {
10054 req.fils_kek = nla_data(info->attrs[NL80211_ATTR_FILS_KEK]);
10055 req.fils_kek_len = nla_len(info->attrs[NL80211_ATTR_FILS_KEK]);
10056 if (!info->attrs[NL80211_ATTR_FILS_NONCES])
10059 nla_data(info->attrs[NL80211_ATTR_FILS_NONCES]);
10062 if (info->attrs[NL80211_ATTR_S1G_CAPABILITY_MASK]) {
10063 if (!info->attrs[NL80211_ATTR_S1G_CAPABILITY])
10065 memcpy(&req.s1g_capa_mask,
10066 nla_data(info->attrs[NL80211_ATTR_S1G_CAPABILITY_MASK]),
10067 sizeof(req.s1g_capa_mask));
10070 if (info->attrs[NL80211_ATTR_S1G_CAPABILITY]) {
10071 if (!info->attrs[NL80211_ATTR_S1G_CAPABILITY_MASK])
10073 memcpy(&req.s1g_capa,
10074 nla_data(info->attrs[NL80211_ATTR_S1G_CAPABILITY]),
10075 sizeof(req.s1g_capa));
10078 err = nl80211_crypto_settings(rdev, info, &req.crypto, 1);
10080 wdev_lock(dev->ieee80211_ptr);
10082 err = cfg80211_mlme_assoc(rdev, dev, chan, bssid,
10083 ssid, ssid_len, &req);
10085 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
10086 dev->ieee80211_ptr->conn_owner_nlportid =
10088 memcpy(dev->ieee80211_ptr->disconnect_bssid,
10092 wdev_unlock(dev->ieee80211_ptr);
10098 static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
10100 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10101 struct net_device *dev = info->user_ptr[1];
10102 const u8 *ie = NULL, *bssid;
10103 int ie_len = 0, err;
10105 bool local_state_change;
10107 if (dev->ieee80211_ptr->conn_owner_nlportid &&
10108 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
10111 if (!info->attrs[NL80211_ATTR_MAC])
10114 if (!info->attrs[NL80211_ATTR_REASON_CODE])
10117 if (!rdev->ops->deauth)
10118 return -EOPNOTSUPP;
10120 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
10121 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10122 return -EOPNOTSUPP;
10124 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
10126 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
10127 if (reason_code == 0) {
10128 /* Reason Code 0 is reserved */
10132 if (info->attrs[NL80211_ATTR_IE]) {
10133 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10134 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
10137 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
10139 wdev_lock(dev->ieee80211_ptr);
10140 err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code,
10141 local_state_change);
10142 wdev_unlock(dev->ieee80211_ptr);
10146 static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
10148 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10149 struct net_device *dev = info->user_ptr[1];
10150 const u8 *ie = NULL, *bssid;
10151 int ie_len = 0, err;
10153 bool local_state_change;
10155 if (dev->ieee80211_ptr->conn_owner_nlportid &&
10156 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
10159 if (!info->attrs[NL80211_ATTR_MAC])
10162 if (!info->attrs[NL80211_ATTR_REASON_CODE])
10165 if (!rdev->ops->disassoc)
10166 return -EOPNOTSUPP;
10168 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
10169 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10170 return -EOPNOTSUPP;
10172 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
10174 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
10175 if (reason_code == 0) {
10176 /* Reason Code 0 is reserved */
10180 if (info->attrs[NL80211_ATTR_IE]) {
10181 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10182 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
10185 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
10187 wdev_lock(dev->ieee80211_ptr);
10188 err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code,
10189 local_state_change);
10190 wdev_unlock(dev->ieee80211_ptr);
10195 nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev,
10196 int mcast_rate[NUM_NL80211_BANDS],
10199 struct wiphy *wiphy = &rdev->wiphy;
10200 bool found = false;
10203 for (band = 0; band < NUM_NL80211_BANDS; band++) {
10204 struct ieee80211_supported_band *sband;
10206 sband = wiphy->bands[band];
10210 for (i = 0; i < sband->n_bitrates; i++) {
10211 if (sband->bitrates[i].bitrate == rateval) {
10212 mcast_rate[band] = i + 1;
10222 static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
10224 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10225 struct net_device *dev = info->user_ptr[1];
10226 struct cfg80211_ibss_params ibss;
10227 struct wiphy *wiphy;
10228 struct cfg80211_cached_keys *connkeys = NULL;
10231 memset(&ibss, 0, sizeof(ibss));
10233 if (!info->attrs[NL80211_ATTR_SSID] ||
10234 !nla_len(info->attrs[NL80211_ATTR_SSID]))
10237 ibss.beacon_interval = 100;
10239 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL])
10240 ibss.beacon_interval =
10241 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
10243 err = cfg80211_validate_beacon_int(rdev, NL80211_IFTYPE_ADHOC,
10244 ibss.beacon_interval);
10248 if (!rdev->ops->join_ibss)
10249 return -EOPNOTSUPP;
10251 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
10252 return -EOPNOTSUPP;
10254 wiphy = &rdev->wiphy;
10256 if (info->attrs[NL80211_ATTR_MAC]) {
10257 ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
10259 if (!is_valid_ether_addr(ibss.bssid))
10262 ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
10263 ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
10265 if (info->attrs[NL80211_ATTR_IE]) {
10266 ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10267 ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
10270 err = nl80211_parse_chandef(rdev, info, &ibss.chandef);
10274 if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef,
10275 NL80211_IFTYPE_ADHOC))
10278 switch (ibss.chandef.width) {
10279 case NL80211_CHAN_WIDTH_5:
10280 case NL80211_CHAN_WIDTH_10:
10281 case NL80211_CHAN_WIDTH_20_NOHT:
10283 case NL80211_CHAN_WIDTH_20:
10284 case NL80211_CHAN_WIDTH_40:
10285 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
10288 case NL80211_CHAN_WIDTH_80:
10289 case NL80211_CHAN_WIDTH_80P80:
10290 case NL80211_CHAN_WIDTH_160:
10291 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
10293 if (!wiphy_ext_feature_isset(&rdev->wiphy,
10294 NL80211_EXT_FEATURE_VHT_IBSS))
10301 ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED];
10302 ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
10304 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
10306 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
10308 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
10309 struct ieee80211_supported_band *sband =
10310 wiphy->bands[ibss.chandef.chan->band];
10312 err = ieee80211_get_ratemask(sband, rates, n_rates,
10313 &ibss.basic_rates);
10318 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
10319 memcpy(&ibss.ht_capa_mask,
10320 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
10321 sizeof(ibss.ht_capa_mask));
10323 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
10324 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
10326 memcpy(&ibss.ht_capa,
10327 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
10328 sizeof(ibss.ht_capa));
10331 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
10332 !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate,
10333 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
10336 if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) {
10337 bool no_ht = false;
10339 connkeys = nl80211_parse_connkeys(rdev, info, &no_ht);
10340 if (IS_ERR(connkeys))
10341 return PTR_ERR(connkeys);
10343 if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) &&
10345 kfree_sensitive(connkeys);
10350 ibss.control_port =
10351 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]);
10353 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
10354 int r = validate_pae_over_nl80211(rdev, info);
10357 kfree_sensitive(connkeys);
10361 ibss.control_port_over_nl80211 = true;
10364 ibss.userspace_handles_dfs =
10365 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
10367 wdev_lock(dev->ieee80211_ptr);
10368 err = __cfg80211_join_ibss(rdev, dev, &ibss, connkeys);
10370 kfree_sensitive(connkeys);
10371 else if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
10372 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
10373 wdev_unlock(dev->ieee80211_ptr);
10378 static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info)
10380 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10381 struct net_device *dev = info->user_ptr[1];
10383 if (!rdev->ops->leave_ibss)
10384 return -EOPNOTSUPP;
10386 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
10387 return -EOPNOTSUPP;
10389 return cfg80211_leave_ibss(rdev, dev, false);
10392 static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info)
10394 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10395 struct net_device *dev = info->user_ptr[1];
10396 int mcast_rate[NUM_NL80211_BANDS];
10400 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
10401 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
10402 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB)
10403 return -EOPNOTSUPP;
10405 if (!rdev->ops->set_mcast_rate)
10406 return -EOPNOTSUPP;
10408 memset(mcast_rate, 0, sizeof(mcast_rate));
10410 if (!info->attrs[NL80211_ATTR_MCAST_RATE])
10413 nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]);
10414 if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate))
10417 err = rdev_set_mcast_rate(rdev, dev, mcast_rate);
10422 static struct sk_buff *
10423 __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev,
10424 struct wireless_dev *wdev, int approxlen,
10425 u32 portid, u32 seq, enum nl80211_commands cmd,
10426 enum nl80211_attrs attr,
10427 const struct nl80211_vendor_cmd_info *info,
10430 struct sk_buff *skb;
10432 struct nlattr *data;
10434 skb = nlmsg_new(approxlen + 100, gfp);
10438 hdr = nl80211hdr_put(skb, portid, seq, 0, cmd);
10444 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
10445 goto nla_put_failure;
10448 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_ID,
10450 goto nla_put_failure;
10451 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_SUBCMD,
10453 goto nla_put_failure;
10457 if (nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
10458 wdev_id(wdev), NL80211_ATTR_PAD))
10459 goto nla_put_failure;
10460 if (wdev->netdev &&
10461 nla_put_u32(skb, NL80211_ATTR_IFINDEX,
10462 wdev->netdev->ifindex))
10463 goto nla_put_failure;
10466 data = nla_nest_start_noflag(skb, attr);
10468 goto nla_put_failure;
10470 ((void **)skb->cb)[0] = rdev;
10471 ((void **)skb->cb)[1] = hdr;
10472 ((void **)skb->cb)[2] = data;
10481 struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy,
10482 struct wireless_dev *wdev,
10483 enum nl80211_commands cmd,
10484 enum nl80211_attrs attr,
10485 unsigned int portid,
10486 int vendor_event_idx,
10487 int approxlen, gfp_t gfp)
10489 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
10490 const struct nl80211_vendor_cmd_info *info;
10493 case NL80211_CMD_TESTMODE:
10494 if (WARN_ON(vendor_event_idx != -1))
10498 case NL80211_CMD_VENDOR:
10499 if (WARN_ON(vendor_event_idx < 0 ||
10500 vendor_event_idx >= wiphy->n_vendor_events))
10502 info = &wiphy->vendor_events[vendor_event_idx];
10509 return __cfg80211_alloc_vendor_skb(rdev, wdev, approxlen, portid, 0,
10510 cmd, attr, info, gfp);
10512 EXPORT_SYMBOL(__cfg80211_alloc_event_skb);
10514 void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp)
10516 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
10517 void *hdr = ((void **)skb->cb)[1];
10518 struct nlmsghdr *nlhdr = nlmsg_hdr(skb);
10519 struct nlattr *data = ((void **)skb->cb)[2];
10520 enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE;
10522 /* clear CB data for netlink core to own from now on */
10523 memset(skb->cb, 0, sizeof(skb->cb));
10525 nla_nest_end(skb, data);
10526 genlmsg_end(skb, hdr);
10528 if (nlhdr->nlmsg_pid) {
10529 genlmsg_unicast(wiphy_net(&rdev->wiphy), skb,
10532 if (data->nla_type == NL80211_ATTR_VENDOR_DATA)
10533 mcgrp = NL80211_MCGRP_VENDOR;
10535 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
10536 skb, 0, mcgrp, gfp);
10539 EXPORT_SYMBOL(__cfg80211_send_event_skb);
10541 #ifdef CONFIG_NL80211_TESTMODE
10542 static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info)
10544 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10545 struct wireless_dev *wdev;
10548 lockdep_assert_held(&rdev->wiphy.mtx);
10550 wdev = __cfg80211_wdev_from_attrs(rdev, genl_info_net(info),
10553 if (!rdev->ops->testmode_cmd)
10554 return -EOPNOTSUPP;
10556 if (IS_ERR(wdev)) {
10557 err = PTR_ERR(wdev);
10558 if (err != -EINVAL)
10561 } else if (wdev->wiphy != &rdev->wiphy) {
10565 if (!info->attrs[NL80211_ATTR_TESTDATA])
10568 rdev->cur_cmd_info = info;
10569 err = rdev_testmode_cmd(rdev, wdev,
10570 nla_data(info->attrs[NL80211_ATTR_TESTDATA]),
10571 nla_len(info->attrs[NL80211_ATTR_TESTDATA]));
10572 rdev->cur_cmd_info = NULL;
10577 static int nl80211_testmode_dump(struct sk_buff *skb,
10578 struct netlink_callback *cb)
10580 struct cfg80211_registered_device *rdev;
10581 struct nlattr **attrbuf = NULL;
10591 * 0 is a valid index, but not valid for args[0],
10592 * so we need to offset by 1.
10594 phy_idx = cb->args[0] - 1;
10596 rdev = cfg80211_rdev_by_wiphy_idx(phy_idx);
10602 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf),
10609 err = nlmsg_parse_deprecated(cb->nlh,
10610 GENL_HDRLEN + nl80211_fam.hdrsize,
10611 attrbuf, nl80211_fam.maxattr,
10612 nl80211_policy, NULL);
10616 rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
10617 if (IS_ERR(rdev)) {
10618 err = PTR_ERR(rdev);
10621 phy_idx = rdev->wiphy_idx;
10623 if (attrbuf[NL80211_ATTR_TESTDATA])
10624 cb->args[1] = (long)attrbuf[NL80211_ATTR_TESTDATA];
10628 data = nla_data((void *)cb->args[1]);
10629 data_len = nla_len((void *)cb->args[1]);
10632 if (!rdev->ops->testmode_dump) {
10638 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
10639 cb->nlh->nlmsg_seq, NLM_F_MULTI,
10640 NL80211_CMD_TESTMODE);
10641 struct nlattr *tmdata;
10646 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) {
10647 genlmsg_cancel(skb, hdr);
10651 tmdata = nla_nest_start_noflag(skb, NL80211_ATTR_TESTDATA);
10653 genlmsg_cancel(skb, hdr);
10656 err = rdev_testmode_dump(rdev, skb, cb, data, data_len);
10657 nla_nest_end(skb, tmdata);
10659 if (err == -ENOBUFS || err == -ENOENT) {
10660 genlmsg_cancel(skb, hdr);
10663 genlmsg_cancel(skb, hdr);
10667 genlmsg_end(skb, hdr);
10672 cb->args[0] = phy_idx + 1;
10680 static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
10682 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10683 struct net_device *dev = info->user_ptr[1];
10684 struct cfg80211_connect_params connect;
10685 struct wiphy *wiphy;
10686 struct cfg80211_cached_keys *connkeys = NULL;
10690 memset(&connect, 0, sizeof(connect));
10692 if (!info->attrs[NL80211_ATTR_SSID] ||
10693 !nla_len(info->attrs[NL80211_ATTR_SSID]))
10696 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
10697 connect.auth_type =
10698 nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
10699 if (!nl80211_valid_auth_type(rdev, connect.auth_type,
10700 NL80211_CMD_CONNECT))
10703 connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
10705 connect.privacy = info->attrs[NL80211_ATTR_PRIVACY];
10707 if (info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS] &&
10708 !wiphy_ext_feature_isset(&rdev->wiphy,
10709 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
10711 connect.want_1x = info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS];
10713 err = nl80211_crypto_settings(rdev, info, &connect.crypto,
10714 NL80211_MAX_NR_CIPHER_SUITES);
10718 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
10719 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10720 return -EOPNOTSUPP;
10722 wiphy = &rdev->wiphy;
10724 connect.bg_scan_period = -1;
10725 if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] &&
10726 (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) {
10727 connect.bg_scan_period =
10728 nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]);
10731 if (info->attrs[NL80211_ATTR_MAC])
10732 connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
10733 else if (info->attrs[NL80211_ATTR_MAC_HINT])
10734 connect.bssid_hint =
10735 nla_data(info->attrs[NL80211_ATTR_MAC_HINT]);
10736 connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
10737 connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
10739 if (info->attrs[NL80211_ATTR_IE]) {
10740 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10741 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
10744 if (info->attrs[NL80211_ATTR_USE_MFP]) {
10745 connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
10746 if (connect.mfp == NL80211_MFP_OPTIONAL &&
10747 !wiphy_ext_feature_isset(&rdev->wiphy,
10748 NL80211_EXT_FEATURE_MFP_OPTIONAL))
10749 return -EOPNOTSUPP;
10751 connect.mfp = NL80211_MFP_NO;
10754 if (info->attrs[NL80211_ATTR_PREV_BSSID])
10755 connect.prev_bssid =
10756 nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
10758 if (info->attrs[NL80211_ATTR_WIPHY_FREQ])
10759 freq = MHZ_TO_KHZ(nla_get_u32(
10760 info->attrs[NL80211_ATTR_WIPHY_FREQ]));
10761 if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
10763 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
10766 connect.channel = nl80211_get_valid_chan(wiphy, freq);
10767 if (!connect.channel)
10769 } else if (info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]) {
10770 freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]);
10771 freq = MHZ_TO_KHZ(freq);
10772 connect.channel_hint = nl80211_get_valid_chan(wiphy, freq);
10773 if (!connect.channel_hint)
10777 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]) {
10778 connect.edmg.channels =
10779 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]);
10781 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG])
10782 connect.edmg.bw_config =
10783 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG]);
10786 if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) {
10787 connkeys = nl80211_parse_connkeys(rdev, info, NULL);
10788 if (IS_ERR(connkeys))
10789 return PTR_ERR(connkeys);
10792 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
10793 connect.flags |= ASSOC_REQ_DISABLE_HT;
10795 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
10796 memcpy(&connect.ht_capa_mask,
10797 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
10798 sizeof(connect.ht_capa_mask));
10800 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
10801 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) {
10802 kfree_sensitive(connkeys);
10805 memcpy(&connect.ht_capa,
10806 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
10807 sizeof(connect.ht_capa));
10810 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
10811 connect.flags |= ASSOC_REQ_DISABLE_VHT;
10813 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HE]))
10814 connect.flags |= ASSOC_REQ_DISABLE_HE;
10816 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
10817 memcpy(&connect.vht_capa_mask,
10818 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
10819 sizeof(connect.vht_capa_mask));
10821 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
10822 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) {
10823 kfree_sensitive(connkeys);
10826 memcpy(&connect.vht_capa,
10827 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
10828 sizeof(connect.vht_capa));
10831 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
10832 if (!((rdev->wiphy.features &
10833 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
10834 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
10835 !wiphy_ext_feature_isset(&rdev->wiphy,
10836 NL80211_EXT_FEATURE_RRM)) {
10837 kfree_sensitive(connkeys);
10840 connect.flags |= ASSOC_REQ_USE_RRM;
10843 connect.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
10844 if (connect.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) {
10845 kfree_sensitive(connkeys);
10846 return -EOPNOTSUPP;
10849 if (info->attrs[NL80211_ATTR_BSS_SELECT]) {
10850 /* bss selection makes no sense if bssid is set */
10851 if (connect.bssid) {
10852 kfree_sensitive(connkeys);
10856 err = parse_bss_select(info->attrs[NL80211_ATTR_BSS_SELECT],
10857 wiphy, &connect.bss_select);
10859 kfree_sensitive(connkeys);
10864 if (wiphy_ext_feature_isset(&rdev->wiphy,
10865 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) &&
10866 info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] &&
10867 info->attrs[NL80211_ATTR_FILS_ERP_REALM] &&
10868 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] &&
10869 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
10870 connect.fils_erp_username =
10871 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
10872 connect.fils_erp_username_len =
10873 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
10874 connect.fils_erp_realm =
10875 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
10876 connect.fils_erp_realm_len =
10877 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
10878 connect.fils_erp_next_seq_num =
10880 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]);
10881 connect.fils_erp_rrk =
10882 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
10883 connect.fils_erp_rrk_len =
10884 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
10885 } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] ||
10886 info->attrs[NL80211_ATTR_FILS_ERP_REALM] ||
10887 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] ||
10888 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
10889 kfree_sensitive(connkeys);
10893 if (nla_get_flag(info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])) {
10894 if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
10895 kfree_sensitive(connkeys);
10896 GENL_SET_ERR_MSG(info,
10897 "external auth requires connection ownership");
10900 connect.flags |= CONNECT_REQ_EXTERNAL_AUTH_SUPPORT;
10903 wdev_lock(dev->ieee80211_ptr);
10905 err = cfg80211_connect(rdev, dev, &connect, connkeys,
10906 connect.prev_bssid);
10908 kfree_sensitive(connkeys);
10910 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
10911 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
10913 memcpy(dev->ieee80211_ptr->disconnect_bssid,
10914 connect.bssid, ETH_ALEN);
10916 eth_zero_addr(dev->ieee80211_ptr->disconnect_bssid);
10919 wdev_unlock(dev->ieee80211_ptr);
10924 static int nl80211_update_connect_params(struct sk_buff *skb,
10925 struct genl_info *info)
10927 struct cfg80211_connect_params connect = {};
10928 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10929 struct net_device *dev = info->user_ptr[1];
10930 struct wireless_dev *wdev = dev->ieee80211_ptr;
10931 bool fils_sk_offload;
10936 if (!rdev->ops->update_connect_params)
10937 return -EOPNOTSUPP;
10939 if (info->attrs[NL80211_ATTR_IE]) {
10940 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10941 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
10942 changed |= UPDATE_ASSOC_IES;
10945 fils_sk_offload = wiphy_ext_feature_isset(&rdev->wiphy,
10946 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD);
10949 * when driver supports fils-sk offload all attributes must be
10950 * provided. So the else covers "fils-sk-not-all" and
10951 * "no-fils-sk-any".
10953 if (fils_sk_offload &&
10954 info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] &&
10955 info->attrs[NL80211_ATTR_FILS_ERP_REALM] &&
10956 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] &&
10957 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
10958 connect.fils_erp_username =
10959 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
10960 connect.fils_erp_username_len =
10961 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
10962 connect.fils_erp_realm =
10963 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
10964 connect.fils_erp_realm_len =
10965 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
10966 connect.fils_erp_next_seq_num =
10968 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]);
10969 connect.fils_erp_rrk =
10970 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
10971 connect.fils_erp_rrk_len =
10972 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
10973 changed |= UPDATE_FILS_ERP_INFO;
10974 } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] ||
10975 info->attrs[NL80211_ATTR_FILS_ERP_REALM] ||
10976 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] ||
10977 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
10981 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
10982 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
10983 if (!nl80211_valid_auth_type(rdev, auth_type,
10984 NL80211_CMD_CONNECT))
10987 if (auth_type == NL80211_AUTHTYPE_FILS_SK &&
10988 fils_sk_offload && !(changed & UPDATE_FILS_ERP_INFO))
10991 connect.auth_type = auth_type;
10992 changed |= UPDATE_AUTH_TYPE;
10995 wdev_lock(dev->ieee80211_ptr);
10996 if (!wdev->current_bss)
10999 ret = rdev_update_connect_params(rdev, dev, &connect, changed);
11000 wdev_unlock(dev->ieee80211_ptr);
11005 static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
11007 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11008 struct net_device *dev = info->user_ptr[1];
11012 if (dev->ieee80211_ptr->conn_owner_nlportid &&
11013 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
11016 if (!info->attrs[NL80211_ATTR_REASON_CODE])
11017 reason = WLAN_REASON_DEAUTH_LEAVING;
11019 reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
11024 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
11025 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
11026 return -EOPNOTSUPP;
11028 wdev_lock(dev->ieee80211_ptr);
11029 ret = cfg80211_disconnect(rdev, dev, reason, true);
11030 wdev_unlock(dev->ieee80211_ptr);
11034 static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info)
11036 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11040 if (info->attrs[NL80211_ATTR_PID]) {
11041 u32 pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]);
11043 net = get_net_ns_by_pid(pid);
11044 } else if (info->attrs[NL80211_ATTR_NETNS_FD]) {
11045 u32 fd = nla_get_u32(info->attrs[NL80211_ATTR_NETNS_FD]);
11047 net = get_net_ns_by_fd(fd);
11053 return PTR_ERR(net);
11057 /* check if anything to do */
11058 if (!net_eq(wiphy_net(&rdev->wiphy), net))
11059 err = cfg80211_switch_netns(rdev, net);
11065 static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info)
11067 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11068 int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev,
11069 struct cfg80211_pmksa *pmksa) = NULL;
11070 struct net_device *dev = info->user_ptr[1];
11071 struct cfg80211_pmksa pmksa;
11073 memset(&pmksa, 0, sizeof(struct cfg80211_pmksa));
11075 if (!info->attrs[NL80211_ATTR_PMKID])
11078 pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
11080 if (info->attrs[NL80211_ATTR_MAC]) {
11081 pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
11082 } else if (info->attrs[NL80211_ATTR_SSID] &&
11083 info->attrs[NL80211_ATTR_FILS_CACHE_ID] &&
11084 (info->genlhdr->cmd == NL80211_CMD_DEL_PMKSA ||
11085 info->attrs[NL80211_ATTR_PMK])) {
11086 pmksa.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
11087 pmksa.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
11089 nla_data(info->attrs[NL80211_ATTR_FILS_CACHE_ID]);
11093 if (info->attrs[NL80211_ATTR_PMK]) {
11094 pmksa.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
11095 pmksa.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
11098 if (info->attrs[NL80211_ATTR_PMK_LIFETIME])
11099 pmksa.pmk_lifetime =
11100 nla_get_u32(info->attrs[NL80211_ATTR_PMK_LIFETIME]);
11102 if (info->attrs[NL80211_ATTR_PMK_REAUTH_THRESHOLD])
11103 pmksa.pmk_reauth_threshold =
11105 info->attrs[NL80211_ATTR_PMK_REAUTH_THRESHOLD]);
11107 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
11108 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT &&
11109 !(dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP &&
11110 wiphy_ext_feature_isset(&rdev->wiphy,
11111 NL80211_EXT_FEATURE_AP_PMKSA_CACHING)))
11112 return -EOPNOTSUPP;
11114 switch (info->genlhdr->cmd) {
11115 case NL80211_CMD_SET_PMKSA:
11116 rdev_ops = rdev->ops->set_pmksa;
11118 case NL80211_CMD_DEL_PMKSA:
11119 rdev_ops = rdev->ops->del_pmksa;
11127 return -EOPNOTSUPP;
11129 return rdev_ops(&rdev->wiphy, dev, &pmksa);
11132 static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info)
11134 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11135 struct net_device *dev = info->user_ptr[1];
11137 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
11138 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
11139 return -EOPNOTSUPP;
11141 if (!rdev->ops->flush_pmksa)
11142 return -EOPNOTSUPP;
11144 return rdev_flush_pmksa(rdev, dev);
11147 static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info)
11149 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11150 struct net_device *dev = info->user_ptr[1];
11151 u8 action_code, dialog_token;
11152 u32 peer_capability = 0;
11157 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
11158 !rdev->ops->tdls_mgmt)
11159 return -EOPNOTSUPP;
11161 if (!info->attrs[NL80211_ATTR_TDLS_ACTION] ||
11162 !info->attrs[NL80211_ATTR_STATUS_CODE] ||
11163 !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] ||
11164 !info->attrs[NL80211_ATTR_IE] ||
11165 !info->attrs[NL80211_ATTR_MAC])
11168 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
11169 action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]);
11170 status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
11171 dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]);
11172 initiator = nla_get_flag(info->attrs[NL80211_ATTR_TDLS_INITIATOR]);
11173 if (info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY])
11175 nla_get_u32(info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]);
11177 return rdev_tdls_mgmt(rdev, dev, peer, action_code,
11178 dialog_token, status_code, peer_capability,
11180 nla_data(info->attrs[NL80211_ATTR_IE]),
11181 nla_len(info->attrs[NL80211_ATTR_IE]));
11184 static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info)
11186 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11187 struct net_device *dev = info->user_ptr[1];
11188 enum nl80211_tdls_operation operation;
11191 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
11192 !rdev->ops->tdls_oper)
11193 return -EOPNOTSUPP;
11195 if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] ||
11196 !info->attrs[NL80211_ATTR_MAC])
11199 operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]);
11200 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
11202 return rdev_tdls_oper(rdev, dev, peer, operation);
11205 static int nl80211_remain_on_channel(struct sk_buff *skb,
11206 struct genl_info *info)
11208 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11209 struct wireless_dev *wdev = info->user_ptr[1];
11210 struct cfg80211_chan_def chandef;
11211 const struct cfg80211_chan_def *compat_chandef;
11212 struct sk_buff *msg;
11218 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
11219 !info->attrs[NL80211_ATTR_DURATION])
11222 duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
11224 if (!rdev->ops->remain_on_channel ||
11225 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL))
11226 return -EOPNOTSUPP;
11229 * We should be on that channel for at least a minimum amount of
11230 * time (10ms) but no longer than the driver supports.
11232 if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
11233 duration > rdev->wiphy.max_remain_on_channel_duration)
11236 err = nl80211_parse_chandef(rdev, info, &chandef);
11241 if (!cfg80211_off_channel_oper_allowed(wdev) &&
11242 !cfg80211_chandef_identical(&wdev->chandef, &chandef)) {
11243 compat_chandef = cfg80211_chandef_compatible(&wdev->chandef,
11245 if (compat_chandef != &chandef) {
11252 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
11256 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
11257 NL80211_CMD_REMAIN_ON_CHANNEL);
11263 err = rdev_remain_on_channel(rdev, wdev, chandef.chan,
11264 duration, &cookie);
11269 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
11271 goto nla_put_failure;
11273 genlmsg_end(msg, hdr);
11275 return genlmsg_reply(msg, info);
11284 static int nl80211_cancel_remain_on_channel(struct sk_buff *skb,
11285 struct genl_info *info)
11287 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11288 struct wireless_dev *wdev = info->user_ptr[1];
11291 if (!info->attrs[NL80211_ATTR_COOKIE])
11294 if (!rdev->ops->cancel_remain_on_channel)
11295 return -EOPNOTSUPP;
11297 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
11299 return rdev_cancel_remain_on_channel(rdev, wdev, cookie);
11302 static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
11303 struct genl_info *info)
11305 struct cfg80211_bitrate_mask mask;
11306 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11307 struct net_device *dev = info->user_ptr[1];
11310 if (!rdev->ops->set_bitrate_mask)
11311 return -EOPNOTSUPP;
11313 err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
11314 NL80211_ATTR_TX_RATES, &mask,
11319 return rdev_set_bitrate_mask(rdev, dev, NULL, &mask);
11322 static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
11324 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11325 struct wireless_dev *wdev = info->user_ptr[1];
11326 u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION;
11328 if (!info->attrs[NL80211_ATTR_FRAME_MATCH])
11331 if (info->attrs[NL80211_ATTR_FRAME_TYPE])
11332 frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]);
11334 switch (wdev->iftype) {
11335 case NL80211_IFTYPE_STATION:
11336 case NL80211_IFTYPE_ADHOC:
11337 case NL80211_IFTYPE_P2P_CLIENT:
11338 case NL80211_IFTYPE_AP:
11339 case NL80211_IFTYPE_AP_VLAN:
11340 case NL80211_IFTYPE_MESH_POINT:
11341 case NL80211_IFTYPE_P2P_GO:
11342 case NL80211_IFTYPE_P2P_DEVICE:
11344 case NL80211_IFTYPE_NAN:
11346 return -EOPNOTSUPP;
11349 /* not much point in registering if we can't reply */
11350 if (!rdev->ops->mgmt_tx)
11351 return -EOPNOTSUPP;
11353 if (info->attrs[NL80211_ATTR_RECEIVE_MULTICAST] &&
11354 !wiphy_ext_feature_isset(&rdev->wiphy,
11355 NL80211_EXT_FEATURE_MULTICAST_REGISTRATIONS)) {
11356 GENL_SET_ERR_MSG(info,
11357 "multicast RX registrations are not supported");
11358 return -EOPNOTSUPP;
11361 return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type,
11362 nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]),
11363 nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH]),
11364 info->attrs[NL80211_ATTR_RECEIVE_MULTICAST],
11368 static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
11370 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11371 struct wireless_dev *wdev = info->user_ptr[1];
11372 struct cfg80211_chan_def chandef;
11376 struct sk_buff *msg = NULL;
11377 struct cfg80211_mgmt_tx_params params = {
11378 .dont_wait_for_ack =
11379 info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK],
11382 if (!info->attrs[NL80211_ATTR_FRAME])
11385 if (!rdev->ops->mgmt_tx)
11386 return -EOPNOTSUPP;
11388 switch (wdev->iftype) {
11389 case NL80211_IFTYPE_P2P_DEVICE:
11390 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
11393 case NL80211_IFTYPE_STATION:
11394 case NL80211_IFTYPE_ADHOC:
11395 case NL80211_IFTYPE_P2P_CLIENT:
11396 case NL80211_IFTYPE_AP:
11397 case NL80211_IFTYPE_AP_VLAN:
11398 case NL80211_IFTYPE_MESH_POINT:
11399 case NL80211_IFTYPE_P2P_GO:
11401 case NL80211_IFTYPE_NAN:
11403 return -EOPNOTSUPP;
11406 if (info->attrs[NL80211_ATTR_DURATION]) {
11407 if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
11409 params.wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
11412 * We should wait on the channel for at least a minimum amount
11413 * of time (10ms) but no longer than the driver supports.
11415 if (params.wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
11416 params.wait > rdev->wiphy.max_remain_on_channel_duration)
11420 params.offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK];
11422 if (params.offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
11425 params.no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
11427 /* get the channel if any has been specified, otherwise pass NULL to
11428 * the driver. The latter will use the current one
11430 chandef.chan = NULL;
11431 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
11432 err = nl80211_parse_chandef(rdev, info, &chandef);
11437 if (!chandef.chan && params.offchan)
11441 if (params.offchan && !cfg80211_off_channel_oper_allowed(wdev)) {
11447 params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
11448 params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
11450 if (info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]) {
11451 int len = nla_len(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
11454 if (len % sizeof(u16))
11457 params.n_csa_offsets = len / sizeof(u16);
11458 params.csa_offsets =
11459 nla_data(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
11461 /* check that all the offsets fit the frame */
11462 for (i = 0; i < params.n_csa_offsets; i++) {
11463 if (params.csa_offsets[i] >= params.len)
11468 if (!params.dont_wait_for_ack) {
11469 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
11473 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
11474 NL80211_CMD_FRAME);
11481 params.chan = chandef.chan;
11482 err = cfg80211_mlme_mgmt_tx(rdev, wdev, ¶ms, &cookie);
11487 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
11489 goto nla_put_failure;
11491 genlmsg_end(msg, hdr);
11492 return genlmsg_reply(msg, info);
11504 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info)
11506 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11507 struct wireless_dev *wdev = info->user_ptr[1];
11510 if (!info->attrs[NL80211_ATTR_COOKIE])
11513 if (!rdev->ops->mgmt_tx_cancel_wait)
11514 return -EOPNOTSUPP;
11516 switch (wdev->iftype) {
11517 case NL80211_IFTYPE_STATION:
11518 case NL80211_IFTYPE_ADHOC:
11519 case NL80211_IFTYPE_P2P_CLIENT:
11520 case NL80211_IFTYPE_AP:
11521 case NL80211_IFTYPE_AP_VLAN:
11522 case NL80211_IFTYPE_P2P_GO:
11523 case NL80211_IFTYPE_P2P_DEVICE:
11525 case NL80211_IFTYPE_NAN:
11527 return -EOPNOTSUPP;
11530 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
11532 return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie);
11535 static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info)
11537 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11538 struct wireless_dev *wdev;
11539 struct net_device *dev = info->user_ptr[1];
11544 if (!info->attrs[NL80211_ATTR_PS_STATE])
11547 ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]);
11549 wdev = dev->ieee80211_ptr;
11551 if (!rdev->ops->set_power_mgmt)
11552 return -EOPNOTSUPP;
11554 state = (ps_state == NL80211_PS_ENABLED) ? true : false;
11556 if (state == wdev->ps)
11559 err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout);
11565 static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info)
11567 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11568 enum nl80211_ps_state ps_state;
11569 struct wireless_dev *wdev;
11570 struct net_device *dev = info->user_ptr[1];
11571 struct sk_buff *msg;
11575 wdev = dev->ieee80211_ptr;
11577 if (!rdev->ops->set_power_mgmt)
11578 return -EOPNOTSUPP;
11580 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
11584 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
11585 NL80211_CMD_GET_POWER_SAVE);
11592 ps_state = NL80211_PS_ENABLED;
11594 ps_state = NL80211_PS_DISABLED;
11596 if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state))
11597 goto nla_put_failure;
11599 genlmsg_end(msg, hdr);
11600 return genlmsg_reply(msg, info);
11609 static const struct nla_policy
11610 nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] = {
11611 [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_BINARY },
11612 [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 },
11613 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
11614 [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 },
11615 [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 },
11616 [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 },
11617 [NL80211_ATTR_CQM_RSSI_LEVEL] = { .type = NLA_S32 },
11620 static int nl80211_set_cqm_txe(struct genl_info *info,
11621 u32 rate, u32 pkts, u32 intvl)
11623 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11624 struct net_device *dev = info->user_ptr[1];
11625 struct wireless_dev *wdev = dev->ieee80211_ptr;
11627 if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL)
11630 if (!rdev->ops->set_cqm_txe_config)
11631 return -EOPNOTSUPP;
11633 if (wdev->iftype != NL80211_IFTYPE_STATION &&
11634 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
11635 return -EOPNOTSUPP;
11637 return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl);
11640 static int cfg80211_cqm_rssi_update(struct cfg80211_registered_device *rdev,
11641 struct net_device *dev)
11643 struct wireless_dev *wdev = dev->ieee80211_ptr;
11644 s32 last, low, high;
11646 int i, n, low_index;
11649 /* RSSI reporting disabled? */
11650 if (!wdev->cqm_config)
11651 return rdev_set_cqm_rssi_range_config(rdev, dev, 0, 0);
11654 * Obtain current RSSI value if possible, if not and no RSSI threshold
11655 * event has been received yet, we should receive an event after a
11656 * connection is established and enough beacons received to calculate
11659 if (!wdev->cqm_config->last_rssi_event_value && wdev->current_bss &&
11660 rdev->ops->get_station) {
11661 struct station_info sinfo = {};
11664 mac_addr = wdev->current_bss->pub.bssid;
11666 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
11670 cfg80211_sinfo_release_content(&sinfo);
11671 if (sinfo.filled & BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG))
11672 wdev->cqm_config->last_rssi_event_value =
11673 (s8) sinfo.rx_beacon_signal_avg;
11676 last = wdev->cqm_config->last_rssi_event_value;
11677 hyst = wdev->cqm_config->rssi_hyst;
11678 n = wdev->cqm_config->n_rssi_thresholds;
11680 for (i = 0; i < n; i++) {
11681 i = array_index_nospec(i, n);
11682 if (last < wdev->cqm_config->rssi_thresholds[i])
11687 if (low_index >= 0) {
11688 low_index = array_index_nospec(low_index, n);
11689 low = wdev->cqm_config->rssi_thresholds[low_index] - hyst;
11694 i = array_index_nospec(i, n);
11695 high = wdev->cqm_config->rssi_thresholds[i] + hyst - 1;
11700 return rdev_set_cqm_rssi_range_config(rdev, dev, low, high);
11703 static int nl80211_set_cqm_rssi(struct genl_info *info,
11704 const s32 *thresholds, int n_thresholds,
11707 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11708 struct net_device *dev = info->user_ptr[1];
11709 struct wireless_dev *wdev = dev->ieee80211_ptr;
11711 s32 prev = S32_MIN;
11713 /* Check all values negative and sorted */
11714 for (i = 0; i < n_thresholds; i++) {
11715 if (thresholds[i] > 0 || thresholds[i] <= prev)
11718 prev = thresholds[i];
11721 if (wdev->iftype != NL80211_IFTYPE_STATION &&
11722 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
11723 return -EOPNOTSUPP;
11726 cfg80211_cqm_config_free(wdev);
11729 if (n_thresholds <= 1 && rdev->ops->set_cqm_rssi_config) {
11730 if (n_thresholds == 0 || thresholds[0] == 0) /* Disabling */
11731 return rdev_set_cqm_rssi_config(rdev, dev, 0, 0);
11733 return rdev_set_cqm_rssi_config(rdev, dev,
11734 thresholds[0], hysteresis);
11737 if (!wiphy_ext_feature_isset(&rdev->wiphy,
11738 NL80211_EXT_FEATURE_CQM_RSSI_LIST))
11739 return -EOPNOTSUPP;
11741 if (n_thresholds == 1 && thresholds[0] == 0) /* Disabling */
11745 if (n_thresholds) {
11746 struct cfg80211_cqm_config *cqm_config;
11748 cqm_config = kzalloc(sizeof(struct cfg80211_cqm_config) +
11749 n_thresholds * sizeof(s32), GFP_KERNEL);
11755 cqm_config->rssi_hyst = hysteresis;
11756 cqm_config->n_rssi_thresholds = n_thresholds;
11757 memcpy(cqm_config->rssi_thresholds, thresholds,
11758 n_thresholds * sizeof(s32));
11760 wdev->cqm_config = cqm_config;
11763 err = cfg80211_cqm_rssi_update(rdev, dev);
11771 static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info)
11773 struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1];
11774 struct nlattr *cqm;
11777 cqm = info->attrs[NL80211_ATTR_CQM];
11781 err = nla_parse_nested_deprecated(attrs, NL80211_ATTR_CQM_MAX, cqm,
11782 nl80211_attr_cqm_policy,
11787 if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] &&
11788 attrs[NL80211_ATTR_CQM_RSSI_HYST]) {
11789 const s32 *thresholds =
11790 nla_data(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
11791 int len = nla_len(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
11792 u32 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]);
11797 return nl80211_set_cqm_rssi(info, thresholds, len / 4,
11801 if (attrs[NL80211_ATTR_CQM_TXE_RATE] &&
11802 attrs[NL80211_ATTR_CQM_TXE_PKTS] &&
11803 attrs[NL80211_ATTR_CQM_TXE_INTVL]) {
11804 u32 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]);
11805 u32 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]);
11806 u32 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]);
11808 return nl80211_set_cqm_txe(info, rate, pkts, intvl);
11814 static int nl80211_join_ocb(struct sk_buff *skb, struct genl_info *info)
11816 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11817 struct net_device *dev = info->user_ptr[1];
11818 struct ocb_setup setup = {};
11821 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
11825 return cfg80211_join_ocb(rdev, dev, &setup);
11828 static int nl80211_leave_ocb(struct sk_buff *skb, struct genl_info *info)
11830 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11831 struct net_device *dev = info->user_ptr[1];
11833 return cfg80211_leave_ocb(rdev, dev);
11836 static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info)
11838 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11839 struct net_device *dev = info->user_ptr[1];
11840 struct mesh_config cfg;
11841 struct mesh_setup setup;
11844 /* start with default */
11845 memcpy(&cfg, &default_mesh_config, sizeof(cfg));
11846 memcpy(&setup, &default_mesh_setup, sizeof(setup));
11848 if (info->attrs[NL80211_ATTR_MESH_CONFIG]) {
11849 /* and parse parameters if given */
11850 err = nl80211_parse_mesh_config(info, &cfg, NULL);
11855 if (!info->attrs[NL80211_ATTR_MESH_ID] ||
11856 !nla_len(info->attrs[NL80211_ATTR_MESH_ID]))
11859 setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]);
11860 setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
11862 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
11863 !nl80211_parse_mcast_rate(rdev, setup.mcast_rate,
11864 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
11867 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) {
11868 setup.beacon_interval =
11869 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
11871 err = cfg80211_validate_beacon_int(rdev,
11872 NL80211_IFTYPE_MESH_POINT,
11873 setup.beacon_interval);
11878 if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) {
11879 setup.dtim_period =
11880 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
11881 if (setup.dtim_period < 1 || setup.dtim_period > 100)
11885 if (info->attrs[NL80211_ATTR_MESH_SETUP]) {
11886 /* parse additional setup parameters if given */
11887 err = nl80211_parse_mesh_setup(info, &setup);
11892 if (setup.user_mpm)
11893 cfg.auto_open_plinks = false;
11895 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
11896 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
11900 /* __cfg80211_join_mesh() will sort it out */
11901 setup.chandef.chan = NULL;
11904 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
11905 u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
11907 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
11908 struct ieee80211_supported_band *sband;
11910 if (!setup.chandef.chan)
11913 sband = rdev->wiphy.bands[setup.chandef.chan->band];
11915 err = ieee80211_get_ratemask(sband, rates, n_rates,
11916 &setup.basic_rates);
11921 if (info->attrs[NL80211_ATTR_TX_RATES]) {
11922 err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
11923 NL80211_ATTR_TX_RATES,
11924 &setup.beacon_rate,
11929 if (!setup.chandef.chan)
11932 err = validate_beacon_tx_rate(rdev, setup.chandef.chan->band,
11933 &setup.beacon_rate);
11938 setup.userspace_handles_dfs =
11939 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
11941 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
11942 int r = validate_pae_over_nl80211(rdev, info);
11947 setup.control_port_over_nl80211 = true;
11950 wdev_lock(dev->ieee80211_ptr);
11951 err = __cfg80211_join_mesh(rdev, dev, &setup, &cfg);
11952 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER])
11953 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
11954 wdev_unlock(dev->ieee80211_ptr);
11959 static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info)
11961 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11962 struct net_device *dev = info->user_ptr[1];
11964 return cfg80211_leave_mesh(rdev, dev);
11968 static int nl80211_send_wowlan_patterns(struct sk_buff *msg,
11969 struct cfg80211_registered_device *rdev)
11971 struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config;
11972 struct nlattr *nl_pats, *nl_pat;
11975 if (!wowlan->n_patterns)
11978 nl_pats = nla_nest_start_noflag(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN);
11982 for (i = 0; i < wowlan->n_patterns; i++) {
11983 nl_pat = nla_nest_start_noflag(msg, i + 1);
11986 pat_len = wowlan->patterns[i].pattern_len;
11987 if (nla_put(msg, NL80211_PKTPAT_MASK, DIV_ROUND_UP(pat_len, 8),
11988 wowlan->patterns[i].mask) ||
11989 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
11990 wowlan->patterns[i].pattern) ||
11991 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
11992 wowlan->patterns[i].pkt_offset))
11994 nla_nest_end(msg, nl_pat);
11996 nla_nest_end(msg, nl_pats);
12001 static int nl80211_send_wowlan_tcp(struct sk_buff *msg,
12002 struct cfg80211_wowlan_tcp *tcp)
12004 struct nlattr *nl_tcp;
12009 nl_tcp = nla_nest_start_noflag(msg,
12010 NL80211_WOWLAN_TRIG_TCP_CONNECTION);
12014 if (nla_put_in_addr(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) ||
12015 nla_put_in_addr(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) ||
12016 nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) ||
12017 nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) ||
12018 nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) ||
12019 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
12020 tcp->payload_len, tcp->payload) ||
12021 nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
12022 tcp->data_interval) ||
12023 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
12024 tcp->wake_len, tcp->wake_data) ||
12025 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK,
12026 DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask))
12029 if (tcp->payload_seq.len &&
12030 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ,
12031 sizeof(tcp->payload_seq), &tcp->payload_seq))
12034 if (tcp->payload_tok.len &&
12035 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
12036 sizeof(tcp->payload_tok) + tcp->tokens_size,
12037 &tcp->payload_tok))
12040 nla_nest_end(msg, nl_tcp);
12045 static int nl80211_send_wowlan_nd(struct sk_buff *msg,
12046 struct cfg80211_sched_scan_request *req)
12048 struct nlattr *nd, *freqs, *matches, *match, *scan_plans, *scan_plan;
12054 nd = nla_nest_start_noflag(msg, NL80211_WOWLAN_TRIG_NET_DETECT);
12058 if (req->n_scan_plans == 1 &&
12059 nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_INTERVAL,
12060 req->scan_plans[0].interval * 1000))
12063 if (nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_DELAY, req->delay))
12066 if (req->relative_rssi_set) {
12067 struct nl80211_bss_select_rssi_adjust rssi_adjust;
12069 if (nla_put_s8(msg, NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI,
12070 req->relative_rssi))
12073 rssi_adjust.band = req->rssi_adjust.band;
12074 rssi_adjust.delta = req->rssi_adjust.delta;
12075 if (nla_put(msg, NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST,
12076 sizeof(rssi_adjust), &rssi_adjust))
12080 freqs = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_FREQUENCIES);
12084 for (i = 0; i < req->n_channels; i++) {
12085 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
12089 nla_nest_end(msg, freqs);
12091 if (req->n_match_sets) {
12092 matches = nla_nest_start_noflag(msg,
12093 NL80211_ATTR_SCHED_SCAN_MATCH);
12097 for (i = 0; i < req->n_match_sets; i++) {
12098 match = nla_nest_start_noflag(msg, i);
12102 if (nla_put(msg, NL80211_SCHED_SCAN_MATCH_ATTR_SSID,
12103 req->match_sets[i].ssid.ssid_len,
12104 req->match_sets[i].ssid.ssid))
12106 nla_nest_end(msg, match);
12108 nla_nest_end(msg, matches);
12111 scan_plans = nla_nest_start_noflag(msg, NL80211_ATTR_SCHED_SCAN_PLANS);
12115 for (i = 0; i < req->n_scan_plans; i++) {
12116 scan_plan = nla_nest_start_noflag(msg, i + 1);
12120 if (nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_INTERVAL,
12121 req->scan_plans[i].interval) ||
12122 (req->scan_plans[i].iterations &&
12123 nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_ITERATIONS,
12124 req->scan_plans[i].iterations)))
12126 nla_nest_end(msg, scan_plan);
12128 nla_nest_end(msg, scan_plans);
12130 nla_nest_end(msg, nd);
12135 static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info)
12137 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12138 struct sk_buff *msg;
12140 u32 size = NLMSG_DEFAULT_SIZE;
12142 if (!rdev->wiphy.wowlan)
12143 return -EOPNOTSUPP;
12145 if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) {
12146 /* adjust size to have room for all the data */
12147 size += rdev->wiphy.wowlan_config->tcp->tokens_size +
12148 rdev->wiphy.wowlan_config->tcp->payload_len +
12149 rdev->wiphy.wowlan_config->tcp->wake_len +
12150 rdev->wiphy.wowlan_config->tcp->wake_len / 8;
12153 msg = nlmsg_new(size, GFP_KERNEL);
12157 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12158 NL80211_CMD_GET_WOWLAN);
12160 goto nla_put_failure;
12162 if (rdev->wiphy.wowlan_config) {
12163 struct nlattr *nl_wowlan;
12165 nl_wowlan = nla_nest_start_noflag(msg,
12166 NL80211_ATTR_WOWLAN_TRIGGERS);
12168 goto nla_put_failure;
12170 if ((rdev->wiphy.wowlan_config->any &&
12171 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
12172 (rdev->wiphy.wowlan_config->disconnect &&
12173 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
12174 (rdev->wiphy.wowlan_config->magic_pkt &&
12175 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
12176 (rdev->wiphy.wowlan_config->gtk_rekey_failure &&
12177 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
12178 (rdev->wiphy.wowlan_config->eap_identity_req &&
12179 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
12180 (rdev->wiphy.wowlan_config->four_way_handshake &&
12181 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
12182 (rdev->wiphy.wowlan_config->rfkill_release &&
12183 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
12184 goto nla_put_failure;
12186 if (nl80211_send_wowlan_patterns(msg, rdev))
12187 goto nla_put_failure;
12189 if (nl80211_send_wowlan_tcp(msg,
12190 rdev->wiphy.wowlan_config->tcp))
12191 goto nla_put_failure;
12193 if (nl80211_send_wowlan_nd(
12195 rdev->wiphy.wowlan_config->nd_config))
12196 goto nla_put_failure;
12198 nla_nest_end(msg, nl_wowlan);
12201 genlmsg_end(msg, hdr);
12202 return genlmsg_reply(msg, info);
12209 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev,
12210 struct nlattr *attr,
12211 struct cfg80211_wowlan *trig)
12213 struct nlattr *tb[NUM_NL80211_WOWLAN_TCP];
12214 struct cfg80211_wowlan_tcp *cfg;
12215 struct nl80211_wowlan_tcp_data_token *tok = NULL;
12216 struct nl80211_wowlan_tcp_data_seq *seq = NULL;
12218 u32 data_size, wake_size, tokens_size = 0, wake_mask_size;
12221 if (!rdev->wiphy.wowlan->tcp)
12224 err = nla_parse_nested_deprecated(tb, MAX_NL80211_WOWLAN_TCP, attr,
12225 nl80211_wowlan_tcp_policy, NULL);
12229 if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] ||
12230 !tb[NL80211_WOWLAN_TCP_DST_IPV4] ||
12231 !tb[NL80211_WOWLAN_TCP_DST_MAC] ||
12232 !tb[NL80211_WOWLAN_TCP_DST_PORT] ||
12233 !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] ||
12234 !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] ||
12235 !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] ||
12236 !tb[NL80211_WOWLAN_TCP_WAKE_MASK])
12239 data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]);
12240 if (data_size > rdev->wiphy.wowlan->tcp->data_payload_max)
12243 if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) >
12244 rdev->wiphy.wowlan->tcp->data_interval_max ||
12245 nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0)
12248 wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]);
12249 if (wake_size > rdev->wiphy.wowlan->tcp->wake_payload_max)
12252 wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]);
12253 if (wake_mask_size != DIV_ROUND_UP(wake_size, 8))
12256 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) {
12257 u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
12259 tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
12260 tokens_size = tokln - sizeof(*tok);
12262 if (!tok->len || tokens_size % tok->len)
12264 if (!rdev->wiphy.wowlan->tcp->tok)
12266 if (tok->len > rdev->wiphy.wowlan->tcp->tok->max_len)
12268 if (tok->len < rdev->wiphy.wowlan->tcp->tok->min_len)
12270 if (tokens_size > rdev->wiphy.wowlan->tcp->tok->bufsize)
12272 if (tok->offset + tok->len > data_size)
12276 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) {
12277 seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]);
12278 if (!rdev->wiphy.wowlan->tcp->seq)
12280 if (seq->len == 0 || seq->len > 4)
12282 if (seq->len + seq->offset > data_size)
12286 size = sizeof(*cfg);
12288 size += wake_size + wake_mask_size;
12289 size += tokens_size;
12291 cfg = kzalloc(size, GFP_KERNEL);
12294 cfg->src = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_SRC_IPV4]);
12295 cfg->dst = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_DST_IPV4]);
12296 memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]),
12298 if (tb[NL80211_WOWLAN_TCP_SRC_PORT])
12299 port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]);
12303 /* allocate a socket and port for it and use it */
12304 err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM,
12305 IPPROTO_TCP, &cfg->sock, 1);
12310 if (inet_csk_get_port(cfg->sock->sk, port)) {
12311 sock_release(cfg->sock);
12313 return -EADDRINUSE;
12315 cfg->src_port = inet_sk(cfg->sock->sk)->inet_num;
12321 cfg->src_port = port;
12324 cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]);
12325 cfg->payload_len = data_size;
12326 cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size;
12327 memcpy((void *)cfg->payload,
12328 nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]),
12331 cfg->payload_seq = *seq;
12332 cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]);
12333 cfg->wake_len = wake_size;
12334 cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size;
12335 memcpy((void *)cfg->wake_data,
12336 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]),
12338 cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size +
12339 data_size + wake_size;
12340 memcpy((void *)cfg->wake_mask,
12341 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]),
12344 cfg->tokens_size = tokens_size;
12345 memcpy(&cfg->payload_tok, tok, sizeof(*tok) + tokens_size);
12353 static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device *rdev,
12354 const struct wiphy_wowlan_support *wowlan,
12355 struct nlattr *attr,
12356 struct cfg80211_wowlan *trig)
12358 struct nlattr **tb;
12361 tb = kcalloc(NUM_NL80211_ATTR, sizeof(*tb), GFP_KERNEL);
12365 if (!(wowlan->flags & WIPHY_WOWLAN_NET_DETECT)) {
12370 err = nla_parse_nested_deprecated(tb, NL80211_ATTR_MAX, attr,
12371 nl80211_policy, NULL);
12375 trig->nd_config = nl80211_parse_sched_scan(&rdev->wiphy, NULL, tb,
12376 wowlan->max_nd_match_sets);
12377 err = PTR_ERR_OR_ZERO(trig->nd_config);
12379 trig->nd_config = NULL;
12386 static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
12388 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12389 struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG];
12390 struct cfg80211_wowlan new_triggers = {};
12391 struct cfg80211_wowlan *ntrig;
12392 const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan;
12394 bool prev_enabled = rdev->wiphy.wowlan_config;
12395 bool regular = false;
12398 return -EOPNOTSUPP;
12400 if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) {
12401 cfg80211_rdev_free_wowlan(rdev);
12402 rdev->wiphy.wowlan_config = NULL;
12406 err = nla_parse_nested_deprecated(tb, MAX_NL80211_WOWLAN_TRIG,
12407 info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS],
12408 nl80211_wowlan_policy, info->extack);
12412 if (tb[NL80211_WOWLAN_TRIG_ANY]) {
12413 if (!(wowlan->flags & WIPHY_WOWLAN_ANY))
12415 new_triggers.any = true;
12418 if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) {
12419 if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT))
12421 new_triggers.disconnect = true;
12425 if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) {
12426 if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT))
12428 new_triggers.magic_pkt = true;
12432 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED])
12435 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) {
12436 if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE))
12438 new_triggers.gtk_rekey_failure = true;
12442 if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) {
12443 if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ))
12445 new_triggers.eap_identity_req = true;
12449 if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) {
12450 if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE))
12452 new_triggers.four_way_handshake = true;
12456 if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) {
12457 if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE))
12459 new_triggers.rfkill_release = true;
12463 if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) {
12464 struct nlattr *pat;
12465 int n_patterns = 0;
12466 int rem, pat_len, mask_len, pkt_offset;
12467 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
12471 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
12474 if (n_patterns > wowlan->n_patterns)
12477 new_triggers.patterns = kcalloc(n_patterns,
12478 sizeof(new_triggers.patterns[0]),
12480 if (!new_triggers.patterns)
12483 new_triggers.n_patterns = n_patterns;
12486 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
12490 err = nla_parse_nested_deprecated(pat_tb,
12491 MAX_NL80211_PKTPAT,
12493 nl80211_packet_pattern_policy,
12499 if (!pat_tb[NL80211_PKTPAT_MASK] ||
12500 !pat_tb[NL80211_PKTPAT_PATTERN])
12502 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
12503 mask_len = DIV_ROUND_UP(pat_len, 8);
12504 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
12506 if (pat_len > wowlan->pattern_max_len ||
12507 pat_len < wowlan->pattern_min_len)
12510 if (!pat_tb[NL80211_PKTPAT_OFFSET])
12513 pkt_offset = nla_get_u32(
12514 pat_tb[NL80211_PKTPAT_OFFSET]);
12515 if (pkt_offset > wowlan->max_pkt_offset)
12517 new_triggers.patterns[i].pkt_offset = pkt_offset;
12519 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
12524 new_triggers.patterns[i].mask = mask_pat;
12525 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
12527 mask_pat += mask_len;
12528 new_triggers.patterns[i].pattern = mask_pat;
12529 new_triggers.patterns[i].pattern_len = pat_len;
12531 nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
12537 if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) {
12539 err = nl80211_parse_wowlan_tcp(
12540 rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION],
12546 if (tb[NL80211_WOWLAN_TRIG_NET_DETECT]) {
12548 err = nl80211_parse_wowlan_nd(
12549 rdev, wowlan, tb[NL80211_WOWLAN_TRIG_NET_DETECT],
12555 /* The 'any' trigger means the device continues operating more or less
12556 * as in its normal operation mode and wakes up the host on most of the
12557 * normal interrupts (like packet RX, ...)
12558 * It therefore makes little sense to combine with the more constrained
12559 * wakeup trigger modes.
12561 if (new_triggers.any && regular) {
12566 ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL);
12571 cfg80211_rdev_free_wowlan(rdev);
12572 rdev->wiphy.wowlan_config = ntrig;
12575 if (rdev->ops->set_wakeup &&
12576 prev_enabled != !!rdev->wiphy.wowlan_config)
12577 rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config);
12581 for (i = 0; i < new_triggers.n_patterns; i++)
12582 kfree(new_triggers.patterns[i].mask);
12583 kfree(new_triggers.patterns);
12584 if (new_triggers.tcp && new_triggers.tcp->sock)
12585 sock_release(new_triggers.tcp->sock);
12586 kfree(new_triggers.tcp);
12587 kfree(new_triggers.nd_config);
12592 static int nl80211_send_coalesce_rules(struct sk_buff *msg,
12593 struct cfg80211_registered_device *rdev)
12595 struct nlattr *nl_pats, *nl_pat, *nl_rule, *nl_rules;
12597 struct cfg80211_coalesce_rules *rule;
12599 if (!rdev->coalesce->n_rules)
12602 nl_rules = nla_nest_start_noflag(msg, NL80211_ATTR_COALESCE_RULE);
12606 for (i = 0; i < rdev->coalesce->n_rules; i++) {
12607 nl_rule = nla_nest_start_noflag(msg, i + 1);
12611 rule = &rdev->coalesce->rules[i];
12612 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_DELAY,
12616 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_CONDITION,
12620 nl_pats = nla_nest_start_noflag(msg,
12621 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN);
12625 for (j = 0; j < rule->n_patterns; j++) {
12626 nl_pat = nla_nest_start_noflag(msg, j + 1);
12629 pat_len = rule->patterns[j].pattern_len;
12630 if (nla_put(msg, NL80211_PKTPAT_MASK,
12631 DIV_ROUND_UP(pat_len, 8),
12632 rule->patterns[j].mask) ||
12633 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
12634 rule->patterns[j].pattern) ||
12635 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
12636 rule->patterns[j].pkt_offset))
12638 nla_nest_end(msg, nl_pat);
12640 nla_nest_end(msg, nl_pats);
12641 nla_nest_end(msg, nl_rule);
12643 nla_nest_end(msg, nl_rules);
12648 static int nl80211_get_coalesce(struct sk_buff *skb, struct genl_info *info)
12650 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12651 struct sk_buff *msg;
12654 if (!rdev->wiphy.coalesce)
12655 return -EOPNOTSUPP;
12657 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12661 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12662 NL80211_CMD_GET_COALESCE);
12664 goto nla_put_failure;
12666 if (rdev->coalesce && nl80211_send_coalesce_rules(msg, rdev))
12667 goto nla_put_failure;
12669 genlmsg_end(msg, hdr);
12670 return genlmsg_reply(msg, info);
12677 void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev)
12679 struct cfg80211_coalesce *coalesce = rdev->coalesce;
12681 struct cfg80211_coalesce_rules *rule;
12686 for (i = 0; i < coalesce->n_rules; i++) {
12687 rule = &coalesce->rules[i];
12688 for (j = 0; j < rule->n_patterns; j++)
12689 kfree(rule->patterns[j].mask);
12690 kfree(rule->patterns);
12692 kfree(coalesce->rules);
12694 rdev->coalesce = NULL;
12697 static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev,
12698 struct nlattr *rule,
12699 struct cfg80211_coalesce_rules *new_rule)
12702 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
12703 struct nlattr *tb[NUM_NL80211_ATTR_COALESCE_RULE], *pat;
12704 int rem, pat_len, mask_len, pkt_offset, n_patterns = 0;
12705 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
12707 err = nla_parse_nested_deprecated(tb, NL80211_ATTR_COALESCE_RULE_MAX,
12708 rule, nl80211_coalesce_policy, NULL);
12712 if (tb[NL80211_ATTR_COALESCE_RULE_DELAY])
12714 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_DELAY]);
12715 if (new_rule->delay > coalesce->max_delay)
12718 if (tb[NL80211_ATTR_COALESCE_RULE_CONDITION])
12719 new_rule->condition =
12720 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_CONDITION]);
12722 if (!tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN])
12725 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
12728 if (n_patterns > coalesce->n_patterns)
12731 new_rule->patterns = kcalloc(n_patterns, sizeof(new_rule->patterns[0]),
12733 if (!new_rule->patterns)
12736 new_rule->n_patterns = n_patterns;
12739 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
12743 err = nla_parse_nested_deprecated(pat_tb, MAX_NL80211_PKTPAT,
12745 nl80211_packet_pattern_policy,
12750 if (!pat_tb[NL80211_PKTPAT_MASK] ||
12751 !pat_tb[NL80211_PKTPAT_PATTERN])
12753 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
12754 mask_len = DIV_ROUND_UP(pat_len, 8);
12755 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
12757 if (pat_len > coalesce->pattern_max_len ||
12758 pat_len < coalesce->pattern_min_len)
12761 if (!pat_tb[NL80211_PKTPAT_OFFSET])
12764 pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]);
12765 if (pkt_offset > coalesce->max_pkt_offset)
12767 new_rule->patterns[i].pkt_offset = pkt_offset;
12769 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
12773 new_rule->patterns[i].mask = mask_pat;
12774 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
12777 mask_pat += mask_len;
12778 new_rule->patterns[i].pattern = mask_pat;
12779 new_rule->patterns[i].pattern_len = pat_len;
12780 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
12788 static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info)
12790 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12791 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
12792 struct cfg80211_coalesce new_coalesce = {};
12793 struct cfg80211_coalesce *n_coalesce;
12794 int err, rem_rule, n_rules = 0, i, j;
12795 struct nlattr *rule;
12796 struct cfg80211_coalesce_rules *tmp_rule;
12798 if (!rdev->wiphy.coalesce || !rdev->ops->set_coalesce)
12799 return -EOPNOTSUPP;
12801 if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) {
12802 cfg80211_rdev_free_coalesce(rdev);
12803 rdev_set_coalesce(rdev, NULL);
12807 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
12810 if (n_rules > coalesce->n_rules)
12813 new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]),
12815 if (!new_coalesce.rules)
12818 new_coalesce.n_rules = n_rules;
12821 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
12823 err = nl80211_parse_coalesce_rule(rdev, rule,
12824 &new_coalesce.rules[i]);
12831 err = rdev_set_coalesce(rdev, &new_coalesce);
12835 n_coalesce = kmemdup(&new_coalesce, sizeof(new_coalesce), GFP_KERNEL);
12840 cfg80211_rdev_free_coalesce(rdev);
12841 rdev->coalesce = n_coalesce;
12845 for (i = 0; i < new_coalesce.n_rules; i++) {
12846 tmp_rule = &new_coalesce.rules[i];
12847 for (j = 0; j < tmp_rule->n_patterns; j++)
12848 kfree(tmp_rule->patterns[j].mask);
12849 kfree(tmp_rule->patterns);
12851 kfree(new_coalesce.rules);
12856 static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info)
12858 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12859 struct net_device *dev = info->user_ptr[1];
12860 struct wireless_dev *wdev = dev->ieee80211_ptr;
12861 struct nlattr *tb[NUM_NL80211_REKEY_DATA];
12862 struct cfg80211_gtk_rekey_data rekey_data = {};
12865 if (!info->attrs[NL80211_ATTR_REKEY_DATA])
12868 err = nla_parse_nested_deprecated(tb, MAX_NL80211_REKEY_DATA,
12869 info->attrs[NL80211_ATTR_REKEY_DATA],
12870 nl80211_rekey_policy, info->extack);
12874 if (!tb[NL80211_REKEY_DATA_REPLAY_CTR] || !tb[NL80211_REKEY_DATA_KEK] ||
12875 !tb[NL80211_REKEY_DATA_KCK])
12877 if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN &&
12878 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK &&
12879 nla_len(tb[NL80211_REKEY_DATA_KEK]) == NL80211_KEK_EXT_LEN))
12881 if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN &&
12882 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK &&
12883 nla_len(tb[NL80211_REKEY_DATA_KEK]) == NL80211_KCK_EXT_LEN))
12886 rekey_data.kek = nla_data(tb[NL80211_REKEY_DATA_KEK]);
12887 rekey_data.kck = nla_data(tb[NL80211_REKEY_DATA_KCK]);
12888 rekey_data.replay_ctr = nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]);
12889 rekey_data.kek_len = nla_len(tb[NL80211_REKEY_DATA_KEK]);
12890 rekey_data.kck_len = nla_len(tb[NL80211_REKEY_DATA_KCK]);
12891 if (tb[NL80211_REKEY_DATA_AKM])
12892 rekey_data.akm = nla_get_u32(tb[NL80211_REKEY_DATA_AKM]);
12895 if (!wdev->current_bss) {
12900 if (!rdev->ops->set_rekey_data) {
12905 err = rdev_set_rekey_data(rdev, dev, &rekey_data);
12911 static int nl80211_register_unexpected_frame(struct sk_buff *skb,
12912 struct genl_info *info)
12914 struct net_device *dev = info->user_ptr[1];
12915 struct wireless_dev *wdev = dev->ieee80211_ptr;
12917 if (wdev->iftype != NL80211_IFTYPE_AP &&
12918 wdev->iftype != NL80211_IFTYPE_P2P_GO)
12921 if (wdev->ap_unexpected_nlportid)
12924 wdev->ap_unexpected_nlportid = info->snd_portid;
12928 static int nl80211_probe_client(struct sk_buff *skb,
12929 struct genl_info *info)
12931 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12932 struct net_device *dev = info->user_ptr[1];
12933 struct wireless_dev *wdev = dev->ieee80211_ptr;
12934 struct sk_buff *msg;
12940 if (wdev->iftype != NL80211_IFTYPE_AP &&
12941 wdev->iftype != NL80211_IFTYPE_P2P_GO)
12942 return -EOPNOTSUPP;
12944 if (!info->attrs[NL80211_ATTR_MAC])
12947 if (!rdev->ops->probe_client)
12948 return -EOPNOTSUPP;
12950 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12954 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12955 NL80211_CMD_PROBE_CLIENT);
12961 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
12963 err = rdev_probe_client(rdev, dev, addr, &cookie);
12967 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
12969 goto nla_put_failure;
12971 genlmsg_end(msg, hdr);
12973 return genlmsg_reply(msg, info);
12982 static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info)
12984 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12985 struct cfg80211_beacon_registration *reg, *nreg;
12988 if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS))
12989 return -EOPNOTSUPP;
12991 nreg = kzalloc(sizeof(*nreg), GFP_KERNEL);
12995 /* First, check if already registered. */
12996 spin_lock_bh(&rdev->beacon_registrations_lock);
12997 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
12998 if (reg->nlportid == info->snd_portid) {
13003 /* Add it to the list */
13004 nreg->nlportid = info->snd_portid;
13005 list_add(&nreg->list, &rdev->beacon_registrations);
13007 spin_unlock_bh(&rdev->beacon_registrations_lock);
13011 spin_unlock_bh(&rdev->beacon_registrations_lock);
13016 static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info)
13018 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13019 struct wireless_dev *wdev = info->user_ptr[1];
13022 if (!rdev->ops->start_p2p_device)
13023 return -EOPNOTSUPP;
13025 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
13026 return -EOPNOTSUPP;
13028 if (wdev_running(wdev))
13031 if (rfkill_blocked(rdev->rfkill))
13034 err = rdev_start_p2p_device(rdev, wdev);
13038 wdev->is_running = true;
13044 static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info)
13046 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13047 struct wireless_dev *wdev = info->user_ptr[1];
13049 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
13050 return -EOPNOTSUPP;
13052 if (!rdev->ops->stop_p2p_device)
13053 return -EOPNOTSUPP;
13055 cfg80211_stop_p2p_device(rdev, wdev);
13060 static int nl80211_start_nan(struct sk_buff *skb, struct genl_info *info)
13062 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13063 struct wireless_dev *wdev = info->user_ptr[1];
13064 struct cfg80211_nan_conf conf = {};
13067 if (wdev->iftype != NL80211_IFTYPE_NAN)
13068 return -EOPNOTSUPP;
13070 if (wdev_running(wdev))
13073 if (rfkill_blocked(rdev->rfkill))
13076 if (!info->attrs[NL80211_ATTR_NAN_MASTER_PREF])
13080 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
13082 if (info->attrs[NL80211_ATTR_BANDS]) {
13083 u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]);
13085 if (bands & ~(u32)wdev->wiphy->nan_supported_bands)
13086 return -EOPNOTSUPP;
13088 if (bands && !(bands & BIT(NL80211_BAND_2GHZ)))
13091 conf.bands = bands;
13094 err = rdev_start_nan(rdev, wdev, &conf);
13098 wdev->is_running = true;
13104 static int nl80211_stop_nan(struct sk_buff *skb, struct genl_info *info)
13106 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13107 struct wireless_dev *wdev = info->user_ptr[1];
13109 if (wdev->iftype != NL80211_IFTYPE_NAN)
13110 return -EOPNOTSUPP;
13112 cfg80211_stop_nan(rdev, wdev);
13117 static int validate_nan_filter(struct nlattr *filter_attr)
13119 struct nlattr *attr;
13120 int len = 0, n_entries = 0, rem;
13122 nla_for_each_nested(attr, filter_attr, rem) {
13123 len += nla_len(attr);
13133 static int handle_nan_filter(struct nlattr *attr_filter,
13134 struct cfg80211_nan_func *func,
13137 struct nlattr *attr;
13138 int n_entries, rem, i;
13139 struct cfg80211_nan_func_filter *filter;
13141 n_entries = validate_nan_filter(attr_filter);
13145 BUILD_BUG_ON(sizeof(*func->rx_filters) != sizeof(*func->tx_filters));
13147 filter = kcalloc(n_entries, sizeof(*func->rx_filters), GFP_KERNEL);
13152 nla_for_each_nested(attr, attr_filter, rem) {
13153 filter[i].filter = nla_memdup(attr, GFP_KERNEL);
13154 filter[i].len = nla_len(attr);
13158 func->num_tx_filters = n_entries;
13159 func->tx_filters = filter;
13161 func->num_rx_filters = n_entries;
13162 func->rx_filters = filter;
13168 static int nl80211_nan_add_func(struct sk_buff *skb,
13169 struct genl_info *info)
13171 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13172 struct wireless_dev *wdev = info->user_ptr[1];
13173 struct nlattr *tb[NUM_NL80211_NAN_FUNC_ATTR], *func_attr;
13174 struct cfg80211_nan_func *func;
13175 struct sk_buff *msg = NULL;
13179 if (wdev->iftype != NL80211_IFTYPE_NAN)
13180 return -EOPNOTSUPP;
13182 if (!wdev_running(wdev))
13185 if (!info->attrs[NL80211_ATTR_NAN_FUNC])
13188 err = nla_parse_nested_deprecated(tb, NL80211_NAN_FUNC_ATTR_MAX,
13189 info->attrs[NL80211_ATTR_NAN_FUNC],
13190 nl80211_nan_func_policy,
13195 func = kzalloc(sizeof(*func), GFP_KERNEL);
13199 func->cookie = cfg80211_assign_cookie(rdev);
13201 if (!tb[NL80211_NAN_FUNC_TYPE]) {
13207 func->type = nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]);
13209 if (!tb[NL80211_NAN_FUNC_SERVICE_ID]) {
13214 memcpy(func->service_id, nla_data(tb[NL80211_NAN_FUNC_SERVICE_ID]),
13215 sizeof(func->service_id));
13217 func->close_range =
13218 nla_get_flag(tb[NL80211_NAN_FUNC_CLOSE_RANGE]);
13220 if (tb[NL80211_NAN_FUNC_SERVICE_INFO]) {
13221 func->serv_spec_info_len =
13222 nla_len(tb[NL80211_NAN_FUNC_SERVICE_INFO]);
13223 func->serv_spec_info =
13224 kmemdup(nla_data(tb[NL80211_NAN_FUNC_SERVICE_INFO]),
13225 func->serv_spec_info_len,
13227 if (!func->serv_spec_info) {
13233 if (tb[NL80211_NAN_FUNC_TTL])
13234 func->ttl = nla_get_u32(tb[NL80211_NAN_FUNC_TTL]);
13236 switch (func->type) {
13237 case NL80211_NAN_FUNC_PUBLISH:
13238 if (!tb[NL80211_NAN_FUNC_PUBLISH_TYPE]) {
13243 func->publish_type =
13244 nla_get_u8(tb[NL80211_NAN_FUNC_PUBLISH_TYPE]);
13245 func->publish_bcast =
13246 nla_get_flag(tb[NL80211_NAN_FUNC_PUBLISH_BCAST]);
13248 if ((!(func->publish_type & NL80211_NAN_SOLICITED_PUBLISH)) &&
13249 func->publish_bcast) {
13254 case NL80211_NAN_FUNC_SUBSCRIBE:
13255 func->subscribe_active =
13256 nla_get_flag(tb[NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE]);
13258 case NL80211_NAN_FUNC_FOLLOW_UP:
13259 if (!tb[NL80211_NAN_FUNC_FOLLOW_UP_ID] ||
13260 !tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] ||
13261 !tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]) {
13266 func->followup_id =
13267 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_ID]);
13268 func->followup_reqid =
13269 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID]);
13270 memcpy(func->followup_dest.addr,
13271 nla_data(tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]),
13272 sizeof(func->followup_dest.addr));
13283 if (tb[NL80211_NAN_FUNC_SRF]) {
13284 struct nlattr *srf_tb[NUM_NL80211_NAN_SRF_ATTR];
13286 err = nla_parse_nested_deprecated(srf_tb,
13287 NL80211_NAN_SRF_ATTR_MAX,
13288 tb[NL80211_NAN_FUNC_SRF],
13289 nl80211_nan_srf_policy,
13294 func->srf_include =
13295 nla_get_flag(srf_tb[NL80211_NAN_SRF_INCLUDE]);
13297 if (srf_tb[NL80211_NAN_SRF_BF]) {
13298 if (srf_tb[NL80211_NAN_SRF_MAC_ADDRS] ||
13299 !srf_tb[NL80211_NAN_SRF_BF_IDX]) {
13305 nla_len(srf_tb[NL80211_NAN_SRF_BF]);
13307 kmemdup(nla_data(srf_tb[NL80211_NAN_SRF_BF]),
13308 func->srf_bf_len, GFP_KERNEL);
13309 if (!func->srf_bf) {
13315 nla_get_u8(srf_tb[NL80211_NAN_SRF_BF_IDX]);
13317 struct nlattr *attr, *mac_attr =
13318 srf_tb[NL80211_NAN_SRF_MAC_ADDRS];
13319 int n_entries, rem, i = 0;
13326 n_entries = validate_acl_mac_addrs(mac_attr);
13327 if (n_entries <= 0) {
13332 func->srf_num_macs = n_entries;
13334 kcalloc(n_entries, sizeof(*func->srf_macs),
13336 if (!func->srf_macs) {
13341 nla_for_each_nested(attr, mac_attr, rem)
13342 memcpy(func->srf_macs[i++].addr, nla_data(attr),
13343 sizeof(*func->srf_macs));
13347 if (tb[NL80211_NAN_FUNC_TX_MATCH_FILTER]) {
13348 err = handle_nan_filter(tb[NL80211_NAN_FUNC_TX_MATCH_FILTER],
13354 if (tb[NL80211_NAN_FUNC_RX_MATCH_FILTER]) {
13355 err = handle_nan_filter(tb[NL80211_NAN_FUNC_RX_MATCH_FILTER],
13361 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
13367 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
13368 NL80211_CMD_ADD_NAN_FUNCTION);
13369 /* This can't really happen - we just allocated 4KB */
13370 if (WARN_ON(!hdr)) {
13375 err = rdev_add_nan_func(rdev, wdev, func);
13378 cfg80211_free_nan_func(func);
13383 /* propagate the instance id and cookie to userspace */
13384 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, func->cookie,
13386 goto nla_put_failure;
13388 func_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_FUNC);
13390 goto nla_put_failure;
13392 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID,
13393 func->instance_id))
13394 goto nla_put_failure;
13396 nla_nest_end(msg, func_attr);
13398 genlmsg_end(msg, hdr);
13399 return genlmsg_reply(msg, info);
13406 static int nl80211_nan_del_func(struct sk_buff *skb,
13407 struct genl_info *info)
13409 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13410 struct wireless_dev *wdev = info->user_ptr[1];
13413 if (wdev->iftype != NL80211_IFTYPE_NAN)
13414 return -EOPNOTSUPP;
13416 if (!wdev_running(wdev))
13419 if (!info->attrs[NL80211_ATTR_COOKIE])
13422 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
13424 rdev_del_nan_func(rdev, wdev, cookie);
13429 static int nl80211_nan_change_config(struct sk_buff *skb,
13430 struct genl_info *info)
13432 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13433 struct wireless_dev *wdev = info->user_ptr[1];
13434 struct cfg80211_nan_conf conf = {};
13437 if (wdev->iftype != NL80211_IFTYPE_NAN)
13438 return -EOPNOTSUPP;
13440 if (!wdev_running(wdev))
13443 if (info->attrs[NL80211_ATTR_NAN_MASTER_PREF]) {
13445 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
13446 if (conf.master_pref <= 1 || conf.master_pref == 255)
13449 changed |= CFG80211_NAN_CONF_CHANGED_PREF;
13452 if (info->attrs[NL80211_ATTR_BANDS]) {
13453 u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]);
13455 if (bands & ~(u32)wdev->wiphy->nan_supported_bands)
13456 return -EOPNOTSUPP;
13458 if (bands && !(bands & BIT(NL80211_BAND_2GHZ)))
13461 conf.bands = bands;
13462 changed |= CFG80211_NAN_CONF_CHANGED_BANDS;
13468 return rdev_nan_change_conf(rdev, wdev, &conf, changed);
13471 void cfg80211_nan_match(struct wireless_dev *wdev,
13472 struct cfg80211_nan_match_params *match, gfp_t gfp)
13474 struct wiphy *wiphy = wdev->wiphy;
13475 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
13476 struct nlattr *match_attr, *local_func_attr, *peer_func_attr;
13477 struct sk_buff *msg;
13480 if (WARN_ON(!match->inst_id || !match->peer_inst_id || !match->addr))
13483 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
13487 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NAN_MATCH);
13493 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13494 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
13495 wdev->netdev->ifindex)) ||
13496 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
13498 goto nla_put_failure;
13500 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, match->cookie,
13501 NL80211_ATTR_PAD) ||
13502 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, match->addr))
13503 goto nla_put_failure;
13505 match_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_MATCH);
13507 goto nla_put_failure;
13509 local_func_attr = nla_nest_start_noflag(msg,
13510 NL80211_NAN_MATCH_FUNC_LOCAL);
13511 if (!local_func_attr)
13512 goto nla_put_failure;
13514 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->inst_id))
13515 goto nla_put_failure;
13517 nla_nest_end(msg, local_func_attr);
13519 peer_func_attr = nla_nest_start_noflag(msg,
13520 NL80211_NAN_MATCH_FUNC_PEER);
13521 if (!peer_func_attr)
13522 goto nla_put_failure;
13524 if (nla_put_u8(msg, NL80211_NAN_FUNC_TYPE, match->type) ||
13525 nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->peer_inst_id))
13526 goto nla_put_failure;
13528 if (match->info && match->info_len &&
13529 nla_put(msg, NL80211_NAN_FUNC_SERVICE_INFO, match->info_len,
13531 goto nla_put_failure;
13533 nla_nest_end(msg, peer_func_attr);
13534 nla_nest_end(msg, match_attr);
13535 genlmsg_end(msg, hdr);
13537 if (!wdev->owner_nlportid)
13538 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
13539 msg, 0, NL80211_MCGRP_NAN, gfp);
13541 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
13542 wdev->owner_nlportid);
13549 EXPORT_SYMBOL(cfg80211_nan_match);
13551 void cfg80211_nan_func_terminated(struct wireless_dev *wdev,
13553 enum nl80211_nan_func_term_reason reason,
13554 u64 cookie, gfp_t gfp)
13556 struct wiphy *wiphy = wdev->wiphy;
13557 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
13558 struct sk_buff *msg;
13559 struct nlattr *func_attr;
13562 if (WARN_ON(!inst_id))
13565 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
13569 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_NAN_FUNCTION);
13575 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13576 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
13577 wdev->netdev->ifindex)) ||
13578 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
13580 goto nla_put_failure;
13582 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
13584 goto nla_put_failure;
13586 func_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_FUNC);
13588 goto nla_put_failure;
13590 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, inst_id) ||
13591 nla_put_u8(msg, NL80211_NAN_FUNC_TERM_REASON, reason))
13592 goto nla_put_failure;
13594 nla_nest_end(msg, func_attr);
13595 genlmsg_end(msg, hdr);
13597 if (!wdev->owner_nlportid)
13598 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
13599 msg, 0, NL80211_MCGRP_NAN, gfp);
13601 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
13602 wdev->owner_nlportid);
13609 EXPORT_SYMBOL(cfg80211_nan_func_terminated);
13611 static int nl80211_get_protocol_features(struct sk_buff *skb,
13612 struct genl_info *info)
13615 struct sk_buff *msg;
13617 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
13621 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
13622 NL80211_CMD_GET_PROTOCOL_FEATURES);
13624 goto nla_put_failure;
13626 if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES,
13627 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP))
13628 goto nla_put_failure;
13630 genlmsg_end(msg, hdr);
13631 return genlmsg_reply(msg, info);
13638 static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info)
13640 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13641 struct cfg80211_update_ft_ies_params ft_params;
13642 struct net_device *dev = info->user_ptr[1];
13644 if (!rdev->ops->update_ft_ies)
13645 return -EOPNOTSUPP;
13647 if (!info->attrs[NL80211_ATTR_MDID] ||
13648 !info->attrs[NL80211_ATTR_IE])
13651 memset(&ft_params, 0, sizeof(ft_params));
13652 ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]);
13653 ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
13654 ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
13656 return rdev_update_ft_ies(rdev, dev, &ft_params);
13659 static int nl80211_crit_protocol_start(struct sk_buff *skb,
13660 struct genl_info *info)
13662 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13663 struct wireless_dev *wdev = info->user_ptr[1];
13664 enum nl80211_crit_proto_id proto = NL80211_CRIT_PROTO_UNSPEC;
13668 if (!rdev->ops->crit_proto_start)
13669 return -EOPNOTSUPP;
13671 if (WARN_ON(!rdev->ops->crit_proto_stop))
13674 if (rdev->crit_proto_nlportid)
13677 /* determine protocol if provided */
13678 if (info->attrs[NL80211_ATTR_CRIT_PROT_ID])
13679 proto = nla_get_u16(info->attrs[NL80211_ATTR_CRIT_PROT_ID]);
13681 if (proto >= NUM_NL80211_CRIT_PROTO)
13684 /* timeout must be provided */
13685 if (!info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION])
13689 nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]);
13691 ret = rdev_crit_proto_start(rdev, wdev, proto, duration);
13693 rdev->crit_proto_nlportid = info->snd_portid;
13698 static int nl80211_crit_protocol_stop(struct sk_buff *skb,
13699 struct genl_info *info)
13701 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13702 struct wireless_dev *wdev = info->user_ptr[1];
13704 if (!rdev->ops->crit_proto_stop)
13705 return -EOPNOTSUPP;
13707 if (rdev->crit_proto_nlportid) {
13708 rdev->crit_proto_nlportid = 0;
13709 rdev_crit_proto_stop(rdev, wdev);
13714 static int nl80211_vendor_check_policy(const struct wiphy_vendor_command *vcmd,
13715 struct nlattr *attr,
13716 struct netlink_ext_ack *extack)
13718 if (vcmd->policy == VENDOR_CMD_RAW_DATA) {
13719 if (attr->nla_type & NLA_F_NESTED) {
13720 NL_SET_ERR_MSG_ATTR(extack, attr,
13721 "unexpected nested data");
13728 if (!(attr->nla_type & NLA_F_NESTED)) {
13729 NL_SET_ERR_MSG_ATTR(extack, attr, "expected nested data");
13733 return nla_validate_nested(attr, vcmd->maxattr, vcmd->policy, extack);
13736 static int nl80211_vendor_cmd(struct sk_buff *skb, struct genl_info *info)
13738 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13739 struct wireless_dev *wdev =
13740 __cfg80211_wdev_from_attrs(rdev, genl_info_net(info),
13745 if (!rdev->wiphy.vendor_commands)
13746 return -EOPNOTSUPP;
13748 if (IS_ERR(wdev)) {
13749 err = PTR_ERR(wdev);
13750 if (err != -EINVAL)
13753 } else if (wdev->wiphy != &rdev->wiphy) {
13757 if (!info->attrs[NL80211_ATTR_VENDOR_ID] ||
13758 !info->attrs[NL80211_ATTR_VENDOR_SUBCMD])
13761 vid = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_ID]);
13762 subcmd = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_SUBCMD]);
13763 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
13764 const struct wiphy_vendor_command *vcmd;
13768 vcmd = &rdev->wiphy.vendor_commands[i];
13770 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
13773 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
13774 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
13777 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
13781 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
13782 if (!wdev_running(wdev))
13790 return -EOPNOTSUPP;
13792 if (info->attrs[NL80211_ATTR_VENDOR_DATA]) {
13793 data = nla_data(info->attrs[NL80211_ATTR_VENDOR_DATA]);
13794 len = nla_len(info->attrs[NL80211_ATTR_VENDOR_DATA]);
13796 err = nl80211_vendor_check_policy(vcmd,
13797 info->attrs[NL80211_ATTR_VENDOR_DATA],
13803 rdev->cur_cmd_info = info;
13804 err = vcmd->doit(&rdev->wiphy, wdev, data, len);
13805 rdev->cur_cmd_info = NULL;
13809 return -EOPNOTSUPP;
13812 static int nl80211_prepare_vendor_dump(struct sk_buff *skb,
13813 struct netlink_callback *cb,
13814 struct cfg80211_registered_device **rdev,
13815 struct wireless_dev **wdev)
13817 struct nlattr **attrbuf;
13823 unsigned int data_len = 0;
13826 /* subtract the 1 again here */
13827 struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
13828 struct wireless_dev *tmp;
13832 *rdev = wiphy_to_rdev(wiphy);
13836 list_for_each_entry(tmp, &wiphy->wdev_list, list) {
13837 if (tmp->identifier == cb->args[1] - 1) {
13844 /* keep rtnl locked in successful case */
13848 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf), GFP_KERNEL);
13852 err = nlmsg_parse_deprecated(cb->nlh,
13853 GENL_HDRLEN + nl80211_fam.hdrsize,
13854 attrbuf, nl80211_fam.maxattr,
13855 nl80211_policy, NULL);
13859 if (!attrbuf[NL80211_ATTR_VENDOR_ID] ||
13860 !attrbuf[NL80211_ATTR_VENDOR_SUBCMD]) {
13865 *wdev = __cfg80211_wdev_from_attrs(NULL, sock_net(skb->sk), attrbuf);
13869 *rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
13870 if (IS_ERR(*rdev)) {
13871 err = PTR_ERR(*rdev);
13875 vid = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_ID]);
13876 subcmd = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_SUBCMD]);
13878 for (i = 0; i < (*rdev)->wiphy.n_vendor_commands; i++) {
13879 const struct wiphy_vendor_command *vcmd;
13881 vcmd = &(*rdev)->wiphy.vendor_commands[i];
13883 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
13886 if (!vcmd->dumpit) {
13895 if (vcmd_idx < 0) {
13900 if (attrbuf[NL80211_ATTR_VENDOR_DATA]) {
13901 data = nla_data(attrbuf[NL80211_ATTR_VENDOR_DATA]);
13902 data_len = nla_len(attrbuf[NL80211_ATTR_VENDOR_DATA]);
13904 err = nl80211_vendor_check_policy(
13905 &(*rdev)->wiphy.vendor_commands[vcmd_idx],
13906 attrbuf[NL80211_ATTR_VENDOR_DATA],
13912 /* 0 is the first index - add 1 to parse only once */
13913 cb->args[0] = (*rdev)->wiphy_idx + 1;
13914 /* add 1 to know if it was NULL */
13915 cb->args[1] = *wdev ? (*wdev)->identifier + 1 : 0;
13916 cb->args[2] = vcmd_idx;
13917 cb->args[3] = (unsigned long)data;
13918 cb->args[4] = data_len;
13920 /* keep rtnl locked in successful case */
13927 static int nl80211_vendor_cmd_dump(struct sk_buff *skb,
13928 struct netlink_callback *cb)
13930 struct cfg80211_registered_device *rdev;
13931 struct wireless_dev *wdev;
13932 unsigned int vcmd_idx;
13933 const struct wiphy_vendor_command *vcmd;
13937 struct nlattr *vendor_data;
13940 err = nl80211_prepare_vendor_dump(skb, cb, &rdev, &wdev);
13944 vcmd_idx = cb->args[2];
13945 data = (void *)cb->args[3];
13946 data_len = cb->args[4];
13947 vcmd = &rdev->wiphy.vendor_commands[vcmd_idx];
13949 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
13950 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
13955 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
13961 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
13962 if (!wdev_running(wdev)) {
13970 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
13971 cb->nlh->nlmsg_seq, NLM_F_MULTI,
13972 NL80211_CMD_VENDOR);
13976 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13977 (wdev && nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
13979 NL80211_ATTR_PAD))) {
13980 genlmsg_cancel(skb, hdr);
13984 vendor_data = nla_nest_start_noflag(skb,
13985 NL80211_ATTR_VENDOR_DATA);
13986 if (!vendor_data) {
13987 genlmsg_cancel(skb, hdr);
13991 err = vcmd->dumpit(&rdev->wiphy, wdev, skb, data, data_len,
13992 (unsigned long *)&cb->args[5]);
13993 nla_nest_end(skb, vendor_data);
13995 if (err == -ENOBUFS || err == -ENOENT) {
13996 genlmsg_cancel(skb, hdr);
13998 } else if (err <= 0) {
13999 genlmsg_cancel(skb, hdr);
14003 genlmsg_end(skb, hdr);
14012 struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy,
14013 enum nl80211_commands cmd,
14014 enum nl80211_attrs attr,
14017 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
14019 if (WARN_ON(!rdev->cur_cmd_info))
14022 return __cfg80211_alloc_vendor_skb(rdev, NULL, approxlen,
14023 rdev->cur_cmd_info->snd_portid,
14024 rdev->cur_cmd_info->snd_seq,
14025 cmd, attr, NULL, GFP_KERNEL);
14027 EXPORT_SYMBOL(__cfg80211_alloc_reply_skb);
14029 int cfg80211_vendor_cmd_reply(struct sk_buff *skb)
14031 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
14032 void *hdr = ((void **)skb->cb)[1];
14033 struct nlattr *data = ((void **)skb->cb)[2];
14035 /* clear CB data for netlink core to own from now on */
14036 memset(skb->cb, 0, sizeof(skb->cb));
14038 if (WARN_ON(!rdev->cur_cmd_info)) {
14043 nla_nest_end(skb, data);
14044 genlmsg_end(skb, hdr);
14045 return genlmsg_reply(skb, rdev->cur_cmd_info);
14047 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply);
14049 unsigned int cfg80211_vendor_cmd_get_sender(struct wiphy *wiphy)
14051 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
14053 if (WARN_ON(!rdev->cur_cmd_info))
14056 return rdev->cur_cmd_info->snd_portid;
14058 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_get_sender);
14060 static int nl80211_set_qos_map(struct sk_buff *skb,
14061 struct genl_info *info)
14063 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14064 struct cfg80211_qos_map *qos_map = NULL;
14065 struct net_device *dev = info->user_ptr[1];
14066 u8 *pos, len, num_des, des_len, des;
14069 if (!rdev->ops->set_qos_map)
14070 return -EOPNOTSUPP;
14072 if (info->attrs[NL80211_ATTR_QOS_MAP]) {
14073 pos = nla_data(info->attrs[NL80211_ATTR_QOS_MAP]);
14074 len = nla_len(info->attrs[NL80211_ATTR_QOS_MAP]);
14079 qos_map = kzalloc(sizeof(struct cfg80211_qos_map), GFP_KERNEL);
14083 num_des = (len - IEEE80211_QOS_MAP_LEN_MIN) >> 1;
14085 des_len = num_des *
14086 sizeof(struct cfg80211_dscp_exception);
14087 memcpy(qos_map->dscp_exception, pos, des_len);
14088 qos_map->num_des = num_des;
14089 for (des = 0; des < num_des; des++) {
14090 if (qos_map->dscp_exception[des].up > 7) {
14097 memcpy(qos_map->up, pos, IEEE80211_QOS_MAP_LEN_MIN);
14100 wdev_lock(dev->ieee80211_ptr);
14101 ret = nl80211_key_allowed(dev->ieee80211_ptr);
14103 ret = rdev_set_qos_map(rdev, dev, qos_map);
14104 wdev_unlock(dev->ieee80211_ptr);
14110 static int nl80211_add_tx_ts(struct sk_buff *skb, struct genl_info *info)
14112 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14113 struct net_device *dev = info->user_ptr[1];
14114 struct wireless_dev *wdev = dev->ieee80211_ptr;
14117 u16 admitted_time = 0;
14120 if (!(rdev->wiphy.features & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION))
14121 return -EOPNOTSUPP;
14123 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC] ||
14124 !info->attrs[NL80211_ATTR_USER_PRIO])
14127 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
14128 up = nla_get_u8(info->attrs[NL80211_ATTR_USER_PRIO]);
14130 /* WMM uses TIDs 0-7 even for TSPEC */
14131 if (tsid >= IEEE80211_FIRST_TSPEC_TSID) {
14132 /* TODO: handle 802.11 TSPEC/admission control
14133 * need more attributes for that (e.g. BA session requirement);
14134 * change the WMM adminssion test above to allow both then
14139 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
14141 if (info->attrs[NL80211_ATTR_ADMITTED_TIME]) {
14143 nla_get_u16(info->attrs[NL80211_ATTR_ADMITTED_TIME]);
14144 if (!admitted_time)
14149 switch (wdev->iftype) {
14150 case NL80211_IFTYPE_STATION:
14151 case NL80211_IFTYPE_P2P_CLIENT:
14152 if (wdev->current_bss)
14161 err = rdev_add_tx_ts(rdev, dev, tsid, peer, up, admitted_time);
14168 static int nl80211_del_tx_ts(struct sk_buff *skb, struct genl_info *info)
14170 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14171 struct net_device *dev = info->user_ptr[1];
14172 struct wireless_dev *wdev = dev->ieee80211_ptr;
14177 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC])
14180 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
14181 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
14184 err = rdev_del_tx_ts(rdev, dev, tsid, peer);
14190 static int nl80211_tdls_channel_switch(struct sk_buff *skb,
14191 struct genl_info *info)
14193 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14194 struct net_device *dev = info->user_ptr[1];
14195 struct wireless_dev *wdev = dev->ieee80211_ptr;
14196 struct cfg80211_chan_def chandef = {};
14201 if (!rdev->ops->tdls_channel_switch ||
14202 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
14203 return -EOPNOTSUPP;
14205 switch (dev->ieee80211_ptr->iftype) {
14206 case NL80211_IFTYPE_STATION:
14207 case NL80211_IFTYPE_P2P_CLIENT:
14210 return -EOPNOTSUPP;
14213 if (!info->attrs[NL80211_ATTR_MAC] ||
14214 !info->attrs[NL80211_ATTR_OPER_CLASS])
14217 err = nl80211_parse_chandef(rdev, info, &chandef);
14222 * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012
14223 * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the
14224 * specification is not defined for them.
14226 if (chandef.chan->band == NL80211_BAND_2GHZ &&
14227 chandef.width != NL80211_CHAN_WIDTH_20_NOHT &&
14228 chandef.width != NL80211_CHAN_WIDTH_20)
14231 /* we will be active on the TDLS link */
14232 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
14236 /* don't allow switching to DFS channels */
14237 if (cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, wdev->iftype))
14240 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
14241 oper_class = nla_get_u8(info->attrs[NL80211_ATTR_OPER_CLASS]);
14244 err = rdev_tdls_channel_switch(rdev, dev, addr, oper_class, &chandef);
14250 static int nl80211_tdls_cancel_channel_switch(struct sk_buff *skb,
14251 struct genl_info *info)
14253 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14254 struct net_device *dev = info->user_ptr[1];
14255 struct wireless_dev *wdev = dev->ieee80211_ptr;
14258 if (!rdev->ops->tdls_channel_switch ||
14259 !rdev->ops->tdls_cancel_channel_switch ||
14260 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
14261 return -EOPNOTSUPP;
14263 switch (dev->ieee80211_ptr->iftype) {
14264 case NL80211_IFTYPE_STATION:
14265 case NL80211_IFTYPE_P2P_CLIENT:
14268 return -EOPNOTSUPP;
14271 if (!info->attrs[NL80211_ATTR_MAC])
14274 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
14277 rdev_tdls_cancel_channel_switch(rdev, dev, addr);
14283 static int nl80211_set_multicast_to_unicast(struct sk_buff *skb,
14284 struct genl_info *info)
14286 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14287 struct net_device *dev = info->user_ptr[1];
14288 struct wireless_dev *wdev = dev->ieee80211_ptr;
14289 const struct nlattr *nla;
14292 if (!rdev->ops->set_multicast_to_unicast)
14293 return -EOPNOTSUPP;
14295 if (wdev->iftype != NL80211_IFTYPE_AP &&
14296 wdev->iftype != NL80211_IFTYPE_P2P_GO)
14297 return -EOPNOTSUPP;
14299 nla = info->attrs[NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED];
14300 enabled = nla_get_flag(nla);
14302 return rdev_set_multicast_to_unicast(rdev, dev, enabled);
14305 static int nl80211_set_pmk(struct sk_buff *skb, struct genl_info *info)
14307 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14308 struct net_device *dev = info->user_ptr[1];
14309 struct wireless_dev *wdev = dev->ieee80211_ptr;
14310 struct cfg80211_pmk_conf pmk_conf = {};
14313 if (wdev->iftype != NL80211_IFTYPE_STATION &&
14314 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
14315 return -EOPNOTSUPP;
14317 if (!wiphy_ext_feature_isset(&rdev->wiphy,
14318 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
14319 return -EOPNOTSUPP;
14321 if (!info->attrs[NL80211_ATTR_MAC] || !info->attrs[NL80211_ATTR_PMK])
14325 if (!wdev->current_bss) {
14330 pmk_conf.aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
14331 if (memcmp(pmk_conf.aa, wdev->current_bss->pub.bssid, ETH_ALEN)) {
14336 pmk_conf.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
14337 pmk_conf.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
14338 if (pmk_conf.pmk_len != WLAN_PMK_LEN &&
14339 pmk_conf.pmk_len != WLAN_PMK_LEN_SUITE_B_192) {
14344 if (info->attrs[NL80211_ATTR_PMKR0_NAME])
14345 pmk_conf.pmk_r0_name =
14346 nla_data(info->attrs[NL80211_ATTR_PMKR0_NAME]);
14348 ret = rdev_set_pmk(rdev, dev, &pmk_conf);
14354 static int nl80211_del_pmk(struct sk_buff *skb, struct genl_info *info)
14356 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14357 struct net_device *dev = info->user_ptr[1];
14358 struct wireless_dev *wdev = dev->ieee80211_ptr;
14362 if (wdev->iftype != NL80211_IFTYPE_STATION &&
14363 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
14364 return -EOPNOTSUPP;
14366 if (!wiphy_ext_feature_isset(&rdev->wiphy,
14367 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
14368 return -EOPNOTSUPP;
14370 if (!info->attrs[NL80211_ATTR_MAC])
14374 aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
14375 ret = rdev_del_pmk(rdev, dev, aa);
14381 static int nl80211_external_auth(struct sk_buff *skb, struct genl_info *info)
14383 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14384 struct net_device *dev = info->user_ptr[1];
14385 struct cfg80211_external_auth_params params;
14387 if (!rdev->ops->external_auth)
14388 return -EOPNOTSUPP;
14390 if (!info->attrs[NL80211_ATTR_SSID] &&
14391 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
14392 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
14395 if (!info->attrs[NL80211_ATTR_BSSID])
14398 if (!info->attrs[NL80211_ATTR_STATUS_CODE])
14401 memset(¶ms, 0, sizeof(params));
14403 if (info->attrs[NL80211_ATTR_SSID]) {
14404 params.ssid.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
14405 if (params.ssid.ssid_len == 0)
14407 memcpy(params.ssid.ssid,
14408 nla_data(info->attrs[NL80211_ATTR_SSID]),
14409 params.ssid.ssid_len);
14412 memcpy(params.bssid, nla_data(info->attrs[NL80211_ATTR_BSSID]),
14415 params.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
14417 if (info->attrs[NL80211_ATTR_PMKID])
14418 params.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
14420 return rdev_external_auth(rdev, dev, ¶ms);
14423 static int nl80211_tx_control_port(struct sk_buff *skb, struct genl_info *info)
14425 bool dont_wait_for_ack = info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK];
14426 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14427 struct net_device *dev = info->user_ptr[1];
14428 struct wireless_dev *wdev = dev->ieee80211_ptr;
14437 if (!wiphy_ext_feature_isset(&rdev->wiphy,
14438 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
14439 return -EOPNOTSUPP;
14441 if (!rdev->ops->tx_control_port)
14442 return -EOPNOTSUPP;
14444 if (!info->attrs[NL80211_ATTR_FRAME] ||
14445 !info->attrs[NL80211_ATTR_MAC] ||
14446 !info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
14447 GENL_SET_ERR_MSG(info, "Frame, MAC or ethertype missing");
14453 switch (wdev->iftype) {
14454 case NL80211_IFTYPE_AP:
14455 case NL80211_IFTYPE_P2P_GO:
14456 case NL80211_IFTYPE_MESH_POINT:
14458 case NL80211_IFTYPE_ADHOC:
14459 case NL80211_IFTYPE_STATION:
14460 case NL80211_IFTYPE_P2P_CLIENT:
14461 if (wdev->current_bss)
14472 buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
14473 len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
14474 dest = nla_data(info->attrs[NL80211_ATTR_MAC]);
14475 proto = nla_get_u16(info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
14477 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]);
14479 err = rdev_tx_control_port(rdev, dev, buf, len,
14480 dest, cpu_to_be16(proto), noencrypt,
14481 dont_wait_for_ack ? NULL : &cookie);
14482 if (!err && !dont_wait_for_ack)
14483 nl_set_extack_cookie_u64(info->extack, cookie);
14490 static int nl80211_get_ftm_responder_stats(struct sk_buff *skb,
14491 struct genl_info *info)
14493 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14494 struct net_device *dev = info->user_ptr[1];
14495 struct wireless_dev *wdev = dev->ieee80211_ptr;
14496 struct cfg80211_ftm_responder_stats ftm_stats = {};
14497 struct sk_buff *msg;
14499 struct nlattr *ftm_stats_attr;
14502 if (wdev->iftype != NL80211_IFTYPE_AP || !wdev->beacon_interval)
14503 return -EOPNOTSUPP;
14505 err = rdev_get_ftm_responder_stats(rdev, dev, &ftm_stats);
14509 if (!ftm_stats.filled)
14512 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14516 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
14517 NL80211_CMD_GET_FTM_RESPONDER_STATS);
14519 goto nla_put_failure;
14521 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
14522 goto nla_put_failure;
14524 ftm_stats_attr = nla_nest_start_noflag(msg,
14525 NL80211_ATTR_FTM_RESPONDER_STATS);
14526 if (!ftm_stats_attr)
14527 goto nla_put_failure;
14529 #define SET_FTM(field, name, type) \
14530 do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
14531 nla_put_ ## type(msg, NL80211_FTM_STATS_ ## name, \
14532 ftm_stats.field)) \
14533 goto nla_put_failure; } while (0)
14534 #define SET_FTM_U64(field, name) \
14535 do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
14536 nla_put_u64_64bit(msg, NL80211_FTM_STATS_ ## name, \
14537 ftm_stats.field, NL80211_FTM_STATS_PAD)) \
14538 goto nla_put_failure; } while (0)
14540 SET_FTM(success_num, SUCCESS_NUM, u32);
14541 SET_FTM(partial_num, PARTIAL_NUM, u32);
14542 SET_FTM(failed_num, FAILED_NUM, u32);
14543 SET_FTM(asap_num, ASAP_NUM, u32);
14544 SET_FTM(non_asap_num, NON_ASAP_NUM, u32);
14545 SET_FTM_U64(total_duration_ms, TOTAL_DURATION_MSEC);
14546 SET_FTM(unknown_triggers_num, UNKNOWN_TRIGGERS_NUM, u32);
14547 SET_FTM(reschedule_requests_num, RESCHEDULE_REQUESTS_NUM, u32);
14548 SET_FTM(out_of_window_triggers_num, OUT_OF_WINDOW_TRIGGERS_NUM, u32);
14551 nla_nest_end(msg, ftm_stats_attr);
14553 genlmsg_end(msg, hdr);
14554 return genlmsg_reply(msg, info);
14561 static int nl80211_update_owe_info(struct sk_buff *skb, struct genl_info *info)
14563 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14564 struct cfg80211_update_owe_info owe_info;
14565 struct net_device *dev = info->user_ptr[1];
14567 if (!rdev->ops->update_owe_info)
14568 return -EOPNOTSUPP;
14570 if (!info->attrs[NL80211_ATTR_STATUS_CODE] ||
14571 !info->attrs[NL80211_ATTR_MAC])
14574 memset(&owe_info, 0, sizeof(owe_info));
14575 owe_info.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
14576 nla_memcpy(owe_info.peer, info->attrs[NL80211_ATTR_MAC], ETH_ALEN);
14578 if (info->attrs[NL80211_ATTR_IE]) {
14579 owe_info.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
14580 owe_info.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
14583 return rdev_update_owe_info(rdev, dev, &owe_info);
14586 static int nl80211_probe_mesh_link(struct sk_buff *skb, struct genl_info *info)
14588 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14589 struct net_device *dev = info->user_ptr[1];
14590 struct wireless_dev *wdev = dev->ieee80211_ptr;
14591 struct station_info sinfo = {};
14597 if (!rdev->ops->probe_mesh_link || !rdev->ops->get_station)
14598 return -EOPNOTSUPP;
14600 if (!info->attrs[NL80211_ATTR_MAC] ||
14601 !info->attrs[NL80211_ATTR_FRAME]) {
14602 GENL_SET_ERR_MSG(info, "Frame or MAC missing");
14606 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
14607 return -EOPNOTSUPP;
14609 dest = nla_data(info->attrs[NL80211_ATTR_MAC]);
14610 buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
14611 len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
14613 if (len < sizeof(struct ethhdr))
14616 if (!ether_addr_equal(buf, dest) || is_multicast_ether_addr(buf) ||
14617 !ether_addr_equal(buf + ETH_ALEN, dev->dev_addr))
14620 err = rdev_get_station(rdev, dev, dest, &sinfo);
14624 cfg80211_sinfo_release_content(&sinfo);
14626 return rdev_probe_mesh_link(rdev, dev, dest, buf, len);
14629 static int parse_tid_conf(struct cfg80211_registered_device *rdev,
14630 struct nlattr *attrs[], struct net_device *dev,
14631 struct cfg80211_tid_cfg *tid_conf,
14632 struct genl_info *info, const u8 *peer)
14634 struct netlink_ext_ack *extack = info->extack;
14638 if (!attrs[NL80211_TID_CONFIG_ATTR_TIDS])
14641 tid_conf->config_override =
14642 nla_get_flag(attrs[NL80211_TID_CONFIG_ATTR_OVERRIDE]);
14643 tid_conf->tids = nla_get_u16(attrs[NL80211_TID_CONFIG_ATTR_TIDS]);
14645 if (tid_conf->config_override) {
14646 if (rdev->ops->reset_tid_config) {
14647 err = rdev_reset_tid_config(rdev, dev, peer,
14656 if (attrs[NL80211_TID_CONFIG_ATTR_NOACK]) {
14657 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_NOACK);
14659 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_NOACK]);
14662 if (attrs[NL80211_TID_CONFIG_ATTR_RETRY_SHORT]) {
14663 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_RETRY_SHORT);
14664 tid_conf->retry_short =
14665 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_RETRY_SHORT]);
14667 if (tid_conf->retry_short > rdev->wiphy.max_data_retry_count)
14671 if (attrs[NL80211_TID_CONFIG_ATTR_RETRY_LONG]) {
14672 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_RETRY_LONG);
14673 tid_conf->retry_long =
14674 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_RETRY_LONG]);
14676 if (tid_conf->retry_long > rdev->wiphy.max_data_retry_count)
14680 if (attrs[NL80211_TID_CONFIG_ATTR_AMPDU_CTRL]) {
14681 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_AMPDU_CTRL);
14683 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_AMPDU_CTRL]);
14686 if (attrs[NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL]) {
14687 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL);
14689 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL]);
14692 if (attrs[NL80211_TID_CONFIG_ATTR_AMSDU_CTRL]) {
14693 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_AMSDU_CTRL);
14695 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_AMSDU_CTRL]);
14698 if (attrs[NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE]) {
14699 u32 idx = NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE, attr;
14701 tid_conf->txrate_type = nla_get_u8(attrs[idx]);
14703 if (tid_conf->txrate_type != NL80211_TX_RATE_AUTOMATIC) {
14704 attr = NL80211_TID_CONFIG_ATTR_TX_RATE;
14705 err = nl80211_parse_tx_bitrate_mask(info, attrs, attr,
14706 &tid_conf->txrate_mask, dev,
14711 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_TX_RATE);
14713 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE);
14717 mask = rdev->wiphy.tid_config_support.peer;
14719 mask = rdev->wiphy.tid_config_support.vif;
14721 if (tid_conf->mask & ~mask) {
14722 NL_SET_ERR_MSG(extack, "unsupported TID configuration");
14729 static int nl80211_set_tid_config(struct sk_buff *skb,
14730 struct genl_info *info)
14732 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14733 struct nlattr *attrs[NL80211_TID_CONFIG_ATTR_MAX + 1];
14734 struct net_device *dev = info->user_ptr[1];
14735 struct cfg80211_tid_config *tid_config;
14736 struct nlattr *tid;
14737 int conf_idx = 0, rem_conf;
14741 if (!info->attrs[NL80211_ATTR_TID_CONFIG])
14744 if (!rdev->ops->set_tid_config)
14745 return -EOPNOTSUPP;
14747 nla_for_each_nested(tid, info->attrs[NL80211_ATTR_TID_CONFIG],
14751 tid_config = kzalloc(struct_size(tid_config, tid_conf, num_conf),
14756 tid_config->n_tid_conf = num_conf;
14758 if (info->attrs[NL80211_ATTR_MAC])
14759 tid_config->peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
14761 nla_for_each_nested(tid, info->attrs[NL80211_ATTR_TID_CONFIG],
14763 ret = nla_parse_nested(attrs, NL80211_TID_CONFIG_ATTR_MAX,
14769 ret = parse_tid_conf(rdev, attrs, dev,
14770 &tid_config->tid_conf[conf_idx],
14771 info, tid_config->peer);
14778 ret = rdev_set_tid_config(rdev, dev, tid_config);
14785 #define NL80211_FLAG_NEED_WIPHY 0x01
14786 #define NL80211_FLAG_NEED_NETDEV 0x02
14787 #define NL80211_FLAG_NEED_RTNL 0x04
14788 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
14789 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
14790 NL80211_FLAG_CHECK_NETDEV_UP)
14791 #define NL80211_FLAG_NEED_WDEV 0x10
14792 /* If a netdev is associated, it must be UP, P2P must be started */
14793 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
14794 NL80211_FLAG_CHECK_NETDEV_UP)
14795 #define NL80211_FLAG_CLEAR_SKB 0x20
14796 #define NL80211_FLAG_NO_WIPHY_MTX 0x40
14798 static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb,
14799 struct genl_info *info)
14801 struct cfg80211_registered_device *rdev = NULL;
14802 struct wireless_dev *wdev;
14803 struct net_device *dev;
14806 if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) {
14807 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
14808 if (IS_ERR(rdev)) {
14810 return PTR_ERR(rdev);
14812 info->user_ptr[0] = rdev;
14813 } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV ||
14814 ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
14815 wdev = __cfg80211_wdev_from_attrs(NULL, genl_info_net(info),
14817 if (IS_ERR(wdev)) {
14819 return PTR_ERR(wdev);
14822 dev = wdev->netdev;
14823 rdev = wiphy_to_rdev(wdev->wiphy);
14825 if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) {
14831 info->user_ptr[1] = dev;
14833 info->user_ptr[1] = wdev;
14836 if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP &&
14837 !wdev_running(wdev)) {
14845 info->user_ptr[0] = rdev;
14848 if (rdev && !(ops->internal_flags & NL80211_FLAG_NO_WIPHY_MTX)) {
14849 wiphy_lock(&rdev->wiphy);
14850 /* we keep the mutex locked until post_doit */
14851 __release(&rdev->wiphy.mtx);
14853 if (!(ops->internal_flags & NL80211_FLAG_NEED_RTNL))
14859 static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb,
14860 struct genl_info *info)
14862 if (info->user_ptr[1]) {
14863 if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
14864 struct wireless_dev *wdev = info->user_ptr[1];
14867 dev_put(wdev->netdev);
14869 dev_put(info->user_ptr[1]);
14873 if (info->user_ptr[0] &&
14874 !(ops->internal_flags & NL80211_FLAG_NO_WIPHY_MTX)) {
14875 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14877 /* we kept the mutex locked since pre_doit */
14878 __acquire(&rdev->wiphy.mtx);
14879 wiphy_unlock(&rdev->wiphy);
14882 if (ops->internal_flags & NL80211_FLAG_NEED_RTNL)
14885 /* If needed, clear the netlink message payload from the SKB
14886 * as it might contain key data that shouldn't stick around on
14887 * the heap after the SKB is freed. The netlink message header
14888 * is still needed for further processing, so leave it intact.
14890 if (ops->internal_flags & NL80211_FLAG_CLEAR_SKB) {
14891 struct nlmsghdr *nlh = nlmsg_hdr(skb);
14893 memset(nlmsg_data(nlh), 0, nlmsg_len(nlh));
14897 static int nl80211_set_sar_sub_specs(struct cfg80211_registered_device *rdev,
14898 struct cfg80211_sar_specs *sar_specs,
14899 struct nlattr *spec[], int index)
14901 u32 range_index, i;
14903 if (!sar_specs || !spec)
14906 if (!spec[NL80211_SAR_ATTR_SPECS_POWER] ||
14907 !spec[NL80211_SAR_ATTR_SPECS_RANGE_INDEX])
14910 range_index = nla_get_u32(spec[NL80211_SAR_ATTR_SPECS_RANGE_INDEX]);
14912 /* check if range_index exceeds num_freq_ranges */
14913 if (range_index >= rdev->wiphy.sar_capa->num_freq_ranges)
14916 /* check if range_index duplicates */
14917 for (i = 0; i < index; i++) {
14918 if (sar_specs->sub_specs[i].freq_range_index == range_index)
14922 sar_specs->sub_specs[index].power =
14923 nla_get_s32(spec[NL80211_SAR_ATTR_SPECS_POWER]);
14925 sar_specs->sub_specs[index].freq_range_index = range_index;
14930 static int nl80211_set_sar_specs(struct sk_buff *skb, struct genl_info *info)
14932 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14933 struct nlattr *spec[NL80211_SAR_ATTR_SPECS_MAX + 1];
14934 struct nlattr *tb[NL80211_SAR_ATTR_MAX + 1];
14935 struct cfg80211_sar_specs *sar_spec;
14936 enum nl80211_sar_type type;
14937 struct nlattr *spec_list;
14941 if (!rdev->wiphy.sar_capa || !rdev->ops->set_sar_specs)
14942 return -EOPNOTSUPP;
14944 if (!info->attrs[NL80211_ATTR_SAR_SPEC])
14947 nla_parse_nested(tb, NL80211_SAR_ATTR_MAX,
14948 info->attrs[NL80211_ATTR_SAR_SPEC],
14951 if (!tb[NL80211_SAR_ATTR_TYPE] || !tb[NL80211_SAR_ATTR_SPECS])
14954 type = nla_get_u32(tb[NL80211_SAR_ATTR_TYPE]);
14955 if (type != rdev->wiphy.sar_capa->type)
14959 nla_for_each_nested(spec_list, tb[NL80211_SAR_ATTR_SPECS], rem)
14962 if (specs > rdev->wiphy.sar_capa->num_freq_ranges)
14965 sar_spec = kzalloc(sizeof(*sar_spec) +
14966 specs * sizeof(struct cfg80211_sar_sub_specs),
14971 sar_spec->type = type;
14973 nla_for_each_nested(spec_list, tb[NL80211_SAR_ATTR_SPECS], rem) {
14974 nla_parse_nested(spec, NL80211_SAR_ATTR_SPECS_MAX,
14975 spec_list, NULL, NULL);
14978 case NL80211_SAR_TYPE_POWER:
14979 if (nl80211_set_sar_sub_specs(rdev, sar_spec,
14992 sar_spec->num_sub_specs = specs;
14994 rdev->cur_cmd_info = info;
14995 err = rdev_set_sar_specs(rdev, sar_spec);
14996 rdev->cur_cmd_info = NULL;
15002 static const struct genl_ops nl80211_ops[] = {
15004 .cmd = NL80211_CMD_GET_WIPHY,
15005 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15006 .doit = nl80211_get_wiphy,
15007 .dumpit = nl80211_dump_wiphy,
15008 .done = nl80211_dump_wiphy_done,
15009 /* can be retrieved by unprivileged users */
15010 .internal_flags = NL80211_FLAG_NEED_WIPHY,
15014 static const struct genl_small_ops nl80211_small_ops[] = {
15016 .cmd = NL80211_CMD_SET_WIPHY,
15017 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15018 .doit = nl80211_set_wiphy,
15019 .flags = GENL_UNS_ADMIN_PERM,
15022 .cmd = NL80211_CMD_GET_INTERFACE,
15023 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15024 .doit = nl80211_get_interface,
15025 .dumpit = nl80211_dump_interface,
15026 /* can be retrieved by unprivileged users */
15027 .internal_flags = NL80211_FLAG_NEED_WDEV,
15030 .cmd = NL80211_CMD_SET_INTERFACE,
15031 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15032 .doit = nl80211_set_interface,
15033 .flags = GENL_UNS_ADMIN_PERM,
15034 .internal_flags = NL80211_FLAG_NEED_NETDEV |
15035 NL80211_FLAG_NEED_RTNL,
15038 .cmd = NL80211_CMD_NEW_INTERFACE,
15039 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15040 .doit = nl80211_new_interface,
15041 .flags = GENL_UNS_ADMIN_PERM,
15042 .internal_flags = NL80211_FLAG_NEED_WIPHY |
15043 NL80211_FLAG_NEED_RTNL,
15046 .cmd = NL80211_CMD_DEL_INTERFACE,
15047 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15048 .doit = nl80211_del_interface,
15049 .flags = GENL_UNS_ADMIN_PERM,
15050 .internal_flags = NL80211_FLAG_NEED_WDEV |
15051 NL80211_FLAG_NEED_RTNL,
15054 .cmd = NL80211_CMD_GET_KEY,
15055 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15056 .doit = nl80211_get_key,
15057 .flags = GENL_UNS_ADMIN_PERM,
15058 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15061 .cmd = NL80211_CMD_SET_KEY,
15062 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15063 .doit = nl80211_set_key,
15064 .flags = GENL_UNS_ADMIN_PERM,
15065 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15066 NL80211_FLAG_CLEAR_SKB,
15069 .cmd = NL80211_CMD_NEW_KEY,
15070 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15071 .doit = nl80211_new_key,
15072 .flags = GENL_UNS_ADMIN_PERM,
15073 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15074 NL80211_FLAG_CLEAR_SKB,
15077 .cmd = NL80211_CMD_DEL_KEY,
15078 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15079 .doit = nl80211_del_key,
15080 .flags = GENL_UNS_ADMIN_PERM,
15081 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15084 .cmd = NL80211_CMD_SET_BEACON,
15085 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15086 .flags = GENL_UNS_ADMIN_PERM,
15087 .doit = nl80211_set_beacon,
15088 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15091 .cmd = NL80211_CMD_START_AP,
15092 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15093 .flags = GENL_UNS_ADMIN_PERM,
15094 .doit = nl80211_start_ap,
15095 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15098 .cmd = NL80211_CMD_STOP_AP,
15099 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15100 .flags = GENL_UNS_ADMIN_PERM,
15101 .doit = nl80211_stop_ap,
15102 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15105 .cmd = NL80211_CMD_GET_STATION,
15106 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15107 .doit = nl80211_get_station,
15108 .dumpit = nl80211_dump_station,
15109 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15112 .cmd = NL80211_CMD_SET_STATION,
15113 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15114 .doit = nl80211_set_station,
15115 .flags = GENL_UNS_ADMIN_PERM,
15116 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15119 .cmd = NL80211_CMD_NEW_STATION,
15120 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15121 .doit = nl80211_new_station,
15122 .flags = GENL_UNS_ADMIN_PERM,
15123 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15126 .cmd = NL80211_CMD_DEL_STATION,
15127 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15128 .doit = nl80211_del_station,
15129 .flags = GENL_UNS_ADMIN_PERM,
15130 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15133 .cmd = NL80211_CMD_GET_MPATH,
15134 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15135 .doit = nl80211_get_mpath,
15136 .dumpit = nl80211_dump_mpath,
15137 .flags = GENL_UNS_ADMIN_PERM,
15138 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15141 .cmd = NL80211_CMD_GET_MPP,
15142 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15143 .doit = nl80211_get_mpp,
15144 .dumpit = nl80211_dump_mpp,
15145 .flags = GENL_UNS_ADMIN_PERM,
15146 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15149 .cmd = NL80211_CMD_SET_MPATH,
15150 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15151 .doit = nl80211_set_mpath,
15152 .flags = GENL_UNS_ADMIN_PERM,
15153 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15156 .cmd = NL80211_CMD_NEW_MPATH,
15157 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15158 .doit = nl80211_new_mpath,
15159 .flags = GENL_UNS_ADMIN_PERM,
15160 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15163 .cmd = NL80211_CMD_DEL_MPATH,
15164 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15165 .doit = nl80211_del_mpath,
15166 .flags = GENL_UNS_ADMIN_PERM,
15167 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15170 .cmd = NL80211_CMD_SET_BSS,
15171 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15172 .doit = nl80211_set_bss,
15173 .flags = GENL_UNS_ADMIN_PERM,
15174 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15177 .cmd = NL80211_CMD_GET_REG,
15178 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15179 .doit = nl80211_get_reg_do,
15180 .dumpit = nl80211_get_reg_dump,
15181 .internal_flags = 0,
15182 /* can be retrieved by unprivileged users */
15184 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
15186 .cmd = NL80211_CMD_SET_REG,
15187 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15188 .doit = nl80211_set_reg,
15189 .flags = GENL_ADMIN_PERM,
15190 .internal_flags = 0,
15194 .cmd = NL80211_CMD_REQ_SET_REG,
15195 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15196 .doit = nl80211_req_set_reg,
15197 .flags = GENL_ADMIN_PERM,
15200 .cmd = NL80211_CMD_RELOAD_REGDB,
15201 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15202 .doit = nl80211_reload_regdb,
15203 .flags = GENL_ADMIN_PERM,
15206 .cmd = NL80211_CMD_GET_MESH_CONFIG,
15207 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15208 .doit = nl80211_get_mesh_config,
15209 /* can be retrieved by unprivileged users */
15210 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15213 .cmd = NL80211_CMD_SET_MESH_CONFIG,
15214 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15215 .doit = nl80211_update_mesh_config,
15216 .flags = GENL_UNS_ADMIN_PERM,
15217 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15220 .cmd = NL80211_CMD_TRIGGER_SCAN,
15221 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15222 .doit = nl80211_trigger_scan,
15223 .flags = GENL_UNS_ADMIN_PERM,
15224 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
15227 .cmd = NL80211_CMD_ABORT_SCAN,
15228 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15229 .doit = nl80211_abort_scan,
15230 .flags = GENL_UNS_ADMIN_PERM,
15231 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
15234 .cmd = NL80211_CMD_GET_SCAN,
15235 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15236 .dumpit = nl80211_dump_scan,
15239 .cmd = NL80211_CMD_START_SCHED_SCAN,
15240 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15241 .doit = nl80211_start_sched_scan,
15242 .flags = GENL_UNS_ADMIN_PERM,
15243 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15246 .cmd = NL80211_CMD_STOP_SCHED_SCAN,
15247 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15248 .doit = nl80211_stop_sched_scan,
15249 .flags = GENL_UNS_ADMIN_PERM,
15250 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15253 .cmd = NL80211_CMD_AUTHENTICATE,
15254 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15255 .doit = nl80211_authenticate,
15256 .flags = GENL_UNS_ADMIN_PERM,
15257 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15259 NL80211_FLAG_CLEAR_SKB,
15262 .cmd = NL80211_CMD_ASSOCIATE,
15263 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15264 .doit = nl80211_associate,
15265 .flags = GENL_UNS_ADMIN_PERM,
15266 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15268 NL80211_FLAG_CLEAR_SKB,
15271 .cmd = NL80211_CMD_DEAUTHENTICATE,
15272 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15273 .doit = nl80211_deauthenticate,
15274 .flags = GENL_UNS_ADMIN_PERM,
15275 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15278 .cmd = NL80211_CMD_DISASSOCIATE,
15279 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15280 .doit = nl80211_disassociate,
15281 .flags = GENL_UNS_ADMIN_PERM,
15282 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15285 .cmd = NL80211_CMD_JOIN_IBSS,
15286 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15287 .doit = nl80211_join_ibss,
15288 .flags = GENL_UNS_ADMIN_PERM,
15289 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15292 .cmd = NL80211_CMD_LEAVE_IBSS,
15293 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15294 .doit = nl80211_leave_ibss,
15295 .flags = GENL_UNS_ADMIN_PERM,
15296 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15298 #ifdef CONFIG_NL80211_TESTMODE
15300 .cmd = NL80211_CMD_TESTMODE,
15301 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15302 .doit = nl80211_testmode_do,
15303 .dumpit = nl80211_testmode_dump,
15304 .flags = GENL_UNS_ADMIN_PERM,
15305 .internal_flags = NL80211_FLAG_NEED_WIPHY,
15309 .cmd = NL80211_CMD_CONNECT,
15310 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15311 .doit = nl80211_connect,
15312 .flags = GENL_UNS_ADMIN_PERM,
15313 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15315 NL80211_FLAG_CLEAR_SKB,
15318 .cmd = NL80211_CMD_UPDATE_CONNECT_PARAMS,
15319 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15320 .doit = nl80211_update_connect_params,
15321 .flags = GENL_ADMIN_PERM,
15322 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15324 NL80211_FLAG_CLEAR_SKB,
15327 .cmd = NL80211_CMD_DISCONNECT,
15328 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15329 .doit = nl80211_disconnect,
15330 .flags = GENL_UNS_ADMIN_PERM,
15331 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15334 .cmd = NL80211_CMD_SET_WIPHY_NETNS,
15335 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15336 .doit = nl80211_wiphy_netns,
15337 .flags = GENL_UNS_ADMIN_PERM,
15338 .internal_flags = NL80211_FLAG_NEED_WIPHY |
15339 NL80211_FLAG_NEED_RTNL |
15340 NL80211_FLAG_NO_WIPHY_MTX,
15343 .cmd = NL80211_CMD_GET_SURVEY,
15344 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15345 .dumpit = nl80211_dump_survey,
15348 .cmd = NL80211_CMD_SET_PMKSA,
15349 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15350 .doit = nl80211_setdel_pmksa,
15351 .flags = GENL_UNS_ADMIN_PERM,
15352 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15354 NL80211_FLAG_CLEAR_SKB,
15357 .cmd = NL80211_CMD_DEL_PMKSA,
15358 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15359 .doit = nl80211_setdel_pmksa,
15360 .flags = GENL_UNS_ADMIN_PERM,
15361 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15364 .cmd = NL80211_CMD_FLUSH_PMKSA,
15365 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15366 .doit = nl80211_flush_pmksa,
15367 .flags = GENL_UNS_ADMIN_PERM,
15368 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15371 .cmd = NL80211_CMD_REMAIN_ON_CHANNEL,
15372 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15373 .doit = nl80211_remain_on_channel,
15374 .flags = GENL_UNS_ADMIN_PERM,
15375 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
15378 .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
15379 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15380 .doit = nl80211_cancel_remain_on_channel,
15381 .flags = GENL_UNS_ADMIN_PERM,
15382 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
15385 .cmd = NL80211_CMD_SET_TX_BITRATE_MASK,
15386 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15387 .doit = nl80211_set_tx_bitrate_mask,
15388 .flags = GENL_UNS_ADMIN_PERM,
15389 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15392 .cmd = NL80211_CMD_REGISTER_FRAME,
15393 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15394 .doit = nl80211_register_mgmt,
15395 .flags = GENL_UNS_ADMIN_PERM,
15396 .internal_flags = NL80211_FLAG_NEED_WDEV,
15399 .cmd = NL80211_CMD_FRAME,
15400 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15401 .doit = nl80211_tx_mgmt,
15402 .flags = GENL_UNS_ADMIN_PERM,
15403 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
15406 .cmd = NL80211_CMD_FRAME_WAIT_CANCEL,
15407 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15408 .doit = nl80211_tx_mgmt_cancel_wait,
15409 .flags = GENL_UNS_ADMIN_PERM,
15410 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
15413 .cmd = NL80211_CMD_SET_POWER_SAVE,
15414 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15415 .doit = nl80211_set_power_save,
15416 .flags = GENL_UNS_ADMIN_PERM,
15417 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15420 .cmd = NL80211_CMD_GET_POWER_SAVE,
15421 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15422 .doit = nl80211_get_power_save,
15423 /* can be retrieved by unprivileged users */
15424 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15427 .cmd = NL80211_CMD_SET_CQM,
15428 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15429 .doit = nl80211_set_cqm,
15430 .flags = GENL_UNS_ADMIN_PERM,
15431 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15434 .cmd = NL80211_CMD_SET_CHANNEL,
15435 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15436 .doit = nl80211_set_channel,
15437 .flags = GENL_UNS_ADMIN_PERM,
15438 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15441 .cmd = NL80211_CMD_JOIN_MESH,
15442 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15443 .doit = nl80211_join_mesh,
15444 .flags = GENL_UNS_ADMIN_PERM,
15445 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15448 .cmd = NL80211_CMD_LEAVE_MESH,
15449 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15450 .doit = nl80211_leave_mesh,
15451 .flags = GENL_UNS_ADMIN_PERM,
15452 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15455 .cmd = NL80211_CMD_JOIN_OCB,
15456 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15457 .doit = nl80211_join_ocb,
15458 .flags = GENL_UNS_ADMIN_PERM,
15459 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15462 .cmd = NL80211_CMD_LEAVE_OCB,
15463 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15464 .doit = nl80211_leave_ocb,
15465 .flags = GENL_UNS_ADMIN_PERM,
15466 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15470 .cmd = NL80211_CMD_GET_WOWLAN,
15471 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15472 .doit = nl80211_get_wowlan,
15473 /* can be retrieved by unprivileged users */
15474 .internal_flags = NL80211_FLAG_NEED_WIPHY,
15477 .cmd = NL80211_CMD_SET_WOWLAN,
15478 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15479 .doit = nl80211_set_wowlan,
15480 .flags = GENL_UNS_ADMIN_PERM,
15481 .internal_flags = NL80211_FLAG_NEED_WIPHY,
15485 .cmd = NL80211_CMD_SET_REKEY_OFFLOAD,
15486 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15487 .doit = nl80211_set_rekey_data,
15488 .flags = GENL_UNS_ADMIN_PERM,
15489 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15491 NL80211_FLAG_CLEAR_SKB,
15494 .cmd = NL80211_CMD_TDLS_MGMT,
15495 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15496 .doit = nl80211_tdls_mgmt,
15497 .flags = GENL_UNS_ADMIN_PERM,
15498 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15501 .cmd = NL80211_CMD_TDLS_OPER,
15502 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15503 .doit = nl80211_tdls_oper,
15504 .flags = GENL_UNS_ADMIN_PERM,
15505 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15508 .cmd = NL80211_CMD_UNEXPECTED_FRAME,
15509 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15510 .doit = nl80211_register_unexpected_frame,
15511 .flags = GENL_UNS_ADMIN_PERM,
15512 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15515 .cmd = NL80211_CMD_PROBE_CLIENT,
15516 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15517 .doit = nl80211_probe_client,
15518 .flags = GENL_UNS_ADMIN_PERM,
15519 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15522 .cmd = NL80211_CMD_REGISTER_BEACONS,
15523 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15524 .doit = nl80211_register_beacons,
15525 .flags = GENL_UNS_ADMIN_PERM,
15526 .internal_flags = NL80211_FLAG_NEED_WIPHY,
15529 .cmd = NL80211_CMD_SET_NOACK_MAP,
15530 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15531 .doit = nl80211_set_noack_map,
15532 .flags = GENL_UNS_ADMIN_PERM,
15533 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15536 .cmd = NL80211_CMD_START_P2P_DEVICE,
15537 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15538 .doit = nl80211_start_p2p_device,
15539 .flags = GENL_UNS_ADMIN_PERM,
15540 .internal_flags = NL80211_FLAG_NEED_WDEV |
15541 NL80211_FLAG_NEED_RTNL,
15544 .cmd = NL80211_CMD_STOP_P2P_DEVICE,
15545 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15546 .doit = nl80211_stop_p2p_device,
15547 .flags = GENL_UNS_ADMIN_PERM,
15548 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
15549 NL80211_FLAG_NEED_RTNL,
15552 .cmd = NL80211_CMD_START_NAN,
15553 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15554 .doit = nl80211_start_nan,
15555 .flags = GENL_ADMIN_PERM,
15556 .internal_flags = NL80211_FLAG_NEED_WDEV |
15557 NL80211_FLAG_NEED_RTNL,
15560 .cmd = NL80211_CMD_STOP_NAN,
15561 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15562 .doit = nl80211_stop_nan,
15563 .flags = GENL_ADMIN_PERM,
15564 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
15565 NL80211_FLAG_NEED_RTNL,
15568 .cmd = NL80211_CMD_ADD_NAN_FUNCTION,
15569 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15570 .doit = nl80211_nan_add_func,
15571 .flags = GENL_ADMIN_PERM,
15572 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
15575 .cmd = NL80211_CMD_DEL_NAN_FUNCTION,
15576 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15577 .doit = nl80211_nan_del_func,
15578 .flags = GENL_ADMIN_PERM,
15579 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
15582 .cmd = NL80211_CMD_CHANGE_NAN_CONFIG,
15583 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15584 .doit = nl80211_nan_change_config,
15585 .flags = GENL_ADMIN_PERM,
15586 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
15589 .cmd = NL80211_CMD_SET_MCAST_RATE,
15590 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15591 .doit = nl80211_set_mcast_rate,
15592 .flags = GENL_UNS_ADMIN_PERM,
15593 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15596 .cmd = NL80211_CMD_SET_MAC_ACL,
15597 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15598 .doit = nl80211_set_mac_acl,
15599 .flags = GENL_UNS_ADMIN_PERM,
15600 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15603 .cmd = NL80211_CMD_RADAR_DETECT,
15604 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15605 .doit = nl80211_start_radar_detection,
15606 .flags = GENL_UNS_ADMIN_PERM,
15607 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15610 .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES,
15611 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15612 .doit = nl80211_get_protocol_features,
15615 .cmd = NL80211_CMD_UPDATE_FT_IES,
15616 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15617 .doit = nl80211_update_ft_ies,
15618 .flags = GENL_UNS_ADMIN_PERM,
15619 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15622 .cmd = NL80211_CMD_CRIT_PROTOCOL_START,
15623 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15624 .doit = nl80211_crit_protocol_start,
15625 .flags = GENL_UNS_ADMIN_PERM,
15626 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
15629 .cmd = NL80211_CMD_CRIT_PROTOCOL_STOP,
15630 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15631 .doit = nl80211_crit_protocol_stop,
15632 .flags = GENL_UNS_ADMIN_PERM,
15633 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
15636 .cmd = NL80211_CMD_GET_COALESCE,
15637 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15638 .doit = nl80211_get_coalesce,
15639 .internal_flags = NL80211_FLAG_NEED_WIPHY,
15642 .cmd = NL80211_CMD_SET_COALESCE,
15643 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15644 .doit = nl80211_set_coalesce,
15645 .flags = GENL_UNS_ADMIN_PERM,
15646 .internal_flags = NL80211_FLAG_NEED_WIPHY,
15649 .cmd = NL80211_CMD_CHANNEL_SWITCH,
15650 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15651 .doit = nl80211_channel_switch,
15652 .flags = GENL_UNS_ADMIN_PERM,
15653 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15656 .cmd = NL80211_CMD_VENDOR,
15657 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15658 .doit = nl80211_vendor_cmd,
15659 .dumpit = nl80211_vendor_cmd_dump,
15660 .flags = GENL_UNS_ADMIN_PERM,
15661 .internal_flags = NL80211_FLAG_NEED_WIPHY |
15663 NL80211_FLAG_CLEAR_SKB,
15666 .cmd = NL80211_CMD_SET_QOS_MAP,
15667 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15668 .doit = nl80211_set_qos_map,
15669 .flags = GENL_UNS_ADMIN_PERM,
15670 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15673 .cmd = NL80211_CMD_ADD_TX_TS,
15674 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15675 .doit = nl80211_add_tx_ts,
15676 .flags = GENL_UNS_ADMIN_PERM,
15677 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15680 .cmd = NL80211_CMD_DEL_TX_TS,
15681 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15682 .doit = nl80211_del_tx_ts,
15683 .flags = GENL_UNS_ADMIN_PERM,
15684 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15687 .cmd = NL80211_CMD_TDLS_CHANNEL_SWITCH,
15688 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15689 .doit = nl80211_tdls_channel_switch,
15690 .flags = GENL_UNS_ADMIN_PERM,
15691 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15694 .cmd = NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH,
15695 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15696 .doit = nl80211_tdls_cancel_channel_switch,
15697 .flags = GENL_UNS_ADMIN_PERM,
15698 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15701 .cmd = NL80211_CMD_SET_MULTICAST_TO_UNICAST,
15702 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15703 .doit = nl80211_set_multicast_to_unicast,
15704 .flags = GENL_UNS_ADMIN_PERM,
15705 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15708 .cmd = NL80211_CMD_SET_PMK,
15709 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15710 .doit = nl80211_set_pmk,
15711 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15713 NL80211_FLAG_CLEAR_SKB,
15716 .cmd = NL80211_CMD_DEL_PMK,
15717 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15718 .doit = nl80211_del_pmk,
15719 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15722 .cmd = NL80211_CMD_EXTERNAL_AUTH,
15723 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15724 .doit = nl80211_external_auth,
15725 .flags = GENL_ADMIN_PERM,
15726 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15729 .cmd = NL80211_CMD_CONTROL_PORT_FRAME,
15730 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15731 .doit = nl80211_tx_control_port,
15732 .flags = GENL_UNS_ADMIN_PERM,
15733 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15736 .cmd = NL80211_CMD_GET_FTM_RESPONDER_STATS,
15737 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15738 .doit = nl80211_get_ftm_responder_stats,
15739 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15742 .cmd = NL80211_CMD_PEER_MEASUREMENT_START,
15743 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15744 .doit = nl80211_pmsr_start,
15745 .flags = GENL_UNS_ADMIN_PERM,
15746 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
15749 .cmd = NL80211_CMD_NOTIFY_RADAR,
15750 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15751 .doit = nl80211_notify_radar_detection,
15752 .flags = GENL_UNS_ADMIN_PERM,
15753 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15756 .cmd = NL80211_CMD_UPDATE_OWE_INFO,
15757 .doit = nl80211_update_owe_info,
15758 .flags = GENL_ADMIN_PERM,
15759 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15762 .cmd = NL80211_CMD_PROBE_MESH_LINK,
15763 .doit = nl80211_probe_mesh_link,
15764 .flags = GENL_UNS_ADMIN_PERM,
15765 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15768 .cmd = NL80211_CMD_SET_TID_CONFIG,
15769 .doit = nl80211_set_tid_config,
15770 .flags = GENL_UNS_ADMIN_PERM,
15771 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15774 .cmd = NL80211_CMD_SET_SAR_SPECS,
15775 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15776 .doit = nl80211_set_sar_specs,
15777 .flags = GENL_UNS_ADMIN_PERM,
15778 .internal_flags = NL80211_FLAG_NEED_WIPHY |
15779 NL80211_FLAG_NEED_RTNL,
15783 static struct genl_family nl80211_fam __ro_after_init = {
15784 .name = NL80211_GENL_NAME, /* have users key off the name instead */
15785 .hdrsize = 0, /* no private header */
15786 .version = 1, /* no particular meaning now */
15787 .maxattr = NL80211_ATTR_MAX,
15788 .policy = nl80211_policy,
15790 .pre_doit = nl80211_pre_doit,
15791 .post_doit = nl80211_post_doit,
15792 .module = THIS_MODULE,
15793 .ops = nl80211_ops,
15794 .n_ops = ARRAY_SIZE(nl80211_ops),
15795 .small_ops = nl80211_small_ops,
15796 .n_small_ops = ARRAY_SIZE(nl80211_small_ops),
15797 .mcgrps = nl80211_mcgrps,
15798 .n_mcgrps = ARRAY_SIZE(nl80211_mcgrps),
15799 .parallel_ops = true,
15802 /* notification functions */
15804 void nl80211_notify_wiphy(struct cfg80211_registered_device *rdev,
15805 enum nl80211_commands cmd)
15807 struct sk_buff *msg;
15808 struct nl80211_dump_wiphy_state state = {};
15810 WARN_ON(cmd != NL80211_CMD_NEW_WIPHY &&
15811 cmd != NL80211_CMD_DEL_WIPHY);
15813 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
15817 if (nl80211_send_wiphy(rdev, cmd, msg, 0, 0, 0, &state) < 0) {
15822 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15823 NL80211_MCGRP_CONFIG, GFP_KERNEL);
15826 void nl80211_notify_iface(struct cfg80211_registered_device *rdev,
15827 struct wireless_dev *wdev,
15828 enum nl80211_commands cmd)
15830 struct sk_buff *msg;
15832 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
15836 if (nl80211_send_iface(msg, 0, 0, 0, rdev, wdev, cmd) < 0) {
15841 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15842 NL80211_MCGRP_CONFIG, GFP_KERNEL);
15845 static int nl80211_add_scan_req(struct sk_buff *msg,
15846 struct cfg80211_registered_device *rdev)
15848 struct cfg80211_scan_request *req = rdev->scan_req;
15849 struct nlattr *nest;
15851 struct cfg80211_scan_info *info;
15856 nest = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_SSIDS);
15858 goto nla_put_failure;
15859 for (i = 0; i < req->n_ssids; i++) {
15860 if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid))
15861 goto nla_put_failure;
15863 nla_nest_end(msg, nest);
15865 if (req->flags & NL80211_SCAN_FLAG_FREQ_KHZ) {
15866 nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQ_KHZ);
15868 goto nla_put_failure;
15869 for (i = 0; i < req->n_channels; i++) {
15870 if (nla_put_u32(msg, i,
15871 ieee80211_channel_to_khz(req->channels[i])))
15872 goto nla_put_failure;
15874 nla_nest_end(msg, nest);
15876 nest = nla_nest_start_noflag(msg,
15877 NL80211_ATTR_SCAN_FREQUENCIES);
15879 goto nla_put_failure;
15880 for (i = 0; i < req->n_channels; i++) {
15881 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
15882 goto nla_put_failure;
15884 nla_nest_end(msg, nest);
15888 nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie))
15889 goto nla_put_failure;
15892 nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags))
15893 goto nla_put_failure;
15895 info = rdev->int_scan_req ? &rdev->int_scan_req->info :
15896 &rdev->scan_req->info;
15897 if (info->scan_start_tsf &&
15898 (nla_put_u64_64bit(msg, NL80211_ATTR_SCAN_START_TIME_TSF,
15899 info->scan_start_tsf, NL80211_BSS_PAD) ||
15900 nla_put(msg, NL80211_ATTR_SCAN_START_TIME_TSF_BSSID, ETH_ALEN,
15902 goto nla_put_failure;
15909 static int nl80211_prep_scan_msg(struct sk_buff *msg,
15910 struct cfg80211_registered_device *rdev,
15911 struct wireless_dev *wdev,
15912 u32 portid, u32 seq, int flags,
15917 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
15921 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15922 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
15923 wdev->netdev->ifindex)) ||
15924 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
15926 goto nla_put_failure;
15928 /* ignore errors and send incomplete event anyway */
15929 nl80211_add_scan_req(msg, rdev);
15931 genlmsg_end(msg, hdr);
15935 genlmsg_cancel(msg, hdr);
15940 nl80211_prep_sched_scan_msg(struct sk_buff *msg,
15941 struct cfg80211_sched_scan_request *req, u32 cmd)
15945 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
15949 if (nla_put_u32(msg, NL80211_ATTR_WIPHY,
15950 wiphy_to_rdev(req->wiphy)->wiphy_idx) ||
15951 nla_put_u32(msg, NL80211_ATTR_IFINDEX, req->dev->ifindex) ||
15952 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, req->reqid,
15954 goto nla_put_failure;
15956 genlmsg_end(msg, hdr);
15960 genlmsg_cancel(msg, hdr);
15964 void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
15965 struct wireless_dev *wdev)
15967 struct sk_buff *msg;
15969 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
15973 if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0,
15974 NL80211_CMD_TRIGGER_SCAN) < 0) {
15979 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15980 NL80211_MCGRP_SCAN, GFP_KERNEL);
15983 struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev,
15984 struct wireless_dev *wdev, bool aborted)
15986 struct sk_buff *msg;
15988 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
15992 if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0,
15993 aborted ? NL80211_CMD_SCAN_ABORTED :
15994 NL80211_CMD_NEW_SCAN_RESULTS) < 0) {
16002 /* send message created by nl80211_build_scan_msg() */
16003 void nl80211_send_scan_msg(struct cfg80211_registered_device *rdev,
16004 struct sk_buff *msg)
16009 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16010 NL80211_MCGRP_SCAN, GFP_KERNEL);
16013 void nl80211_send_sched_scan(struct cfg80211_sched_scan_request *req, u32 cmd)
16015 struct sk_buff *msg;
16017 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
16021 if (nl80211_prep_sched_scan_msg(msg, req, cmd) < 0) {
16026 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(req->wiphy), msg, 0,
16027 NL80211_MCGRP_SCAN, GFP_KERNEL);
16030 static bool nl80211_reg_change_event_fill(struct sk_buff *msg,
16031 struct regulatory_request *request)
16033 /* Userspace can always count this one always being set */
16034 if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator))
16035 goto nla_put_failure;
16037 if (request->alpha2[0] == '0' && request->alpha2[1] == '0') {
16038 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
16039 NL80211_REGDOM_TYPE_WORLD))
16040 goto nla_put_failure;
16041 } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') {
16042 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
16043 NL80211_REGDOM_TYPE_CUSTOM_WORLD))
16044 goto nla_put_failure;
16045 } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') ||
16046 request->intersect) {
16047 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
16048 NL80211_REGDOM_TYPE_INTERSECTION))
16049 goto nla_put_failure;
16051 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
16052 NL80211_REGDOM_TYPE_COUNTRY) ||
16053 nla_put_string(msg, NL80211_ATTR_REG_ALPHA2,
16055 goto nla_put_failure;
16058 if (request->wiphy_idx != WIPHY_IDX_INVALID) {
16059 struct wiphy *wiphy = wiphy_idx_to_wiphy(request->wiphy_idx);
16062 nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx))
16063 goto nla_put_failure;
16066 wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
16067 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
16068 goto nla_put_failure;
16078 * This can happen on global regulatory changes or device specific settings
16079 * based on custom regulatory domains.
16081 void nl80211_common_reg_change_event(enum nl80211_commands cmd_id,
16082 struct regulatory_request *request)
16084 struct sk_buff *msg;
16087 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
16091 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd_id);
16093 goto nla_put_failure;
16095 if (!nl80211_reg_change_event_fill(msg, request))
16096 goto nla_put_failure;
16098 genlmsg_end(msg, hdr);
16101 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
16102 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
16111 static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
16112 struct net_device *netdev,
16113 const u8 *buf, size_t len,
16114 enum nl80211_commands cmd, gfp_t gfp,
16115 int uapsd_queues, const u8 *req_ies,
16116 size_t req_ies_len, bool reconnect)
16118 struct sk_buff *msg;
16121 msg = nlmsg_new(100 + len + req_ies_len, gfp);
16125 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
16131 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16132 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16133 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
16135 nla_put(msg, NL80211_ATTR_REQ_IE, req_ies_len, req_ies)))
16136 goto nla_put_failure;
16138 if (reconnect && nla_put_flag(msg, NL80211_ATTR_RECONNECT_REQUESTED))
16139 goto nla_put_failure;
16141 if (uapsd_queues >= 0) {
16142 struct nlattr *nla_wmm =
16143 nla_nest_start_noflag(msg, NL80211_ATTR_STA_WME);
16145 goto nla_put_failure;
16147 if (nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES,
16149 goto nla_put_failure;
16151 nla_nest_end(msg, nla_wmm);
16154 genlmsg_end(msg, hdr);
16156 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16157 NL80211_MCGRP_MLME, gfp);
16164 void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev,
16165 struct net_device *netdev, const u8 *buf,
16166 size_t len, gfp_t gfp)
16168 nl80211_send_mlme_event(rdev, netdev, buf, len,
16169 NL80211_CMD_AUTHENTICATE, gfp, -1, NULL, 0,
16173 void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev,
16174 struct net_device *netdev, const u8 *buf,
16175 size_t len, gfp_t gfp, int uapsd_queues,
16176 const u8 *req_ies, size_t req_ies_len)
16178 nl80211_send_mlme_event(rdev, netdev, buf, len,
16179 NL80211_CMD_ASSOCIATE, gfp, uapsd_queues,
16180 req_ies, req_ies_len, false);
16183 void nl80211_send_deauth(struct cfg80211_registered_device *rdev,
16184 struct net_device *netdev, const u8 *buf,
16185 size_t len, bool reconnect, gfp_t gfp)
16187 nl80211_send_mlme_event(rdev, netdev, buf, len,
16188 NL80211_CMD_DEAUTHENTICATE, gfp, -1, NULL, 0,
16192 void nl80211_send_disassoc(struct cfg80211_registered_device *rdev,
16193 struct net_device *netdev, const u8 *buf,
16194 size_t len, bool reconnect, gfp_t gfp)
16196 nl80211_send_mlme_event(rdev, netdev, buf, len,
16197 NL80211_CMD_DISASSOCIATE, gfp, -1, NULL, 0,
16201 void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf,
16204 struct wireless_dev *wdev = dev->ieee80211_ptr;
16205 struct wiphy *wiphy = wdev->wiphy;
16206 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16207 const struct ieee80211_mgmt *mgmt = (void *)buf;
16210 if (WARN_ON(len < 2))
16213 if (ieee80211_is_deauth(mgmt->frame_control)) {
16214 cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE;
16215 } else if (ieee80211_is_disassoc(mgmt->frame_control)) {
16216 cmd = NL80211_CMD_UNPROT_DISASSOCIATE;
16217 } else if (ieee80211_is_beacon(mgmt->frame_control)) {
16218 if (wdev->unprot_beacon_reported &&
16219 elapsed_jiffies_msecs(wdev->unprot_beacon_reported) < 10000)
16221 cmd = NL80211_CMD_UNPROT_BEACON;
16222 wdev->unprot_beacon_reported = jiffies;
16227 trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len);
16228 nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC, -1,
16231 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt);
16233 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev,
16234 struct net_device *netdev, int cmd,
16235 const u8 *addr, gfp_t gfp)
16237 struct sk_buff *msg;
16240 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16244 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
16250 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16251 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16252 nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
16253 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
16254 goto nla_put_failure;
16256 genlmsg_end(msg, hdr);
16258 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16259 NL80211_MCGRP_MLME, gfp);
16266 void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev,
16267 struct net_device *netdev, const u8 *addr,
16270 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE,
16274 void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev,
16275 struct net_device *netdev, const u8 *addr,
16278 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE,
16282 void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
16283 struct net_device *netdev,
16284 struct cfg80211_connect_resp_params *cr,
16287 struct sk_buff *msg;
16290 msg = nlmsg_new(100 + cr->req_ie_len + cr->resp_ie_len +
16291 cr->fils.kek_len + cr->fils.pmk_len +
16292 (cr->fils.pmkid ? WLAN_PMKID_LEN : 0), gfp);
16296 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT);
16302 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16303 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16305 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, cr->bssid)) ||
16306 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE,
16307 cr->status < 0 ? WLAN_STATUS_UNSPECIFIED_FAILURE :
16310 (nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
16311 nla_put_u32(msg, NL80211_ATTR_TIMEOUT_REASON,
16312 cr->timeout_reason))) ||
16314 nla_put(msg, NL80211_ATTR_REQ_IE, cr->req_ie_len, cr->req_ie)) ||
16316 nla_put(msg, NL80211_ATTR_RESP_IE, cr->resp_ie_len,
16318 (cr->fils.update_erp_next_seq_num &&
16319 nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
16320 cr->fils.erp_next_seq_num)) ||
16321 (cr->status == WLAN_STATUS_SUCCESS &&
16323 nla_put(msg, NL80211_ATTR_FILS_KEK, cr->fils.kek_len,
16326 nla_put(msg, NL80211_ATTR_PMK, cr->fils.pmk_len, cr->fils.pmk)) ||
16328 nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, cr->fils.pmkid)))))
16329 goto nla_put_failure;
16331 genlmsg_end(msg, hdr);
16333 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16334 NL80211_MCGRP_MLME, gfp);
16341 void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
16342 struct net_device *netdev,
16343 struct cfg80211_roam_info *info, gfp_t gfp)
16345 struct sk_buff *msg;
16347 const u8 *bssid = info->bss ? info->bss->bssid : info->bssid;
16349 msg = nlmsg_new(100 + info->req_ie_len + info->resp_ie_len +
16350 info->fils.kek_len + info->fils.pmk_len +
16351 (info->fils.pmkid ? WLAN_PMKID_LEN : 0), gfp);
16355 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM);
16361 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16362 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16363 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid) ||
16365 nla_put(msg, NL80211_ATTR_REQ_IE, info->req_ie_len,
16368 nla_put(msg, NL80211_ATTR_RESP_IE, info->resp_ie_len,
16370 (info->fils.update_erp_next_seq_num &&
16371 nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
16372 info->fils.erp_next_seq_num)) ||
16374 nla_put(msg, NL80211_ATTR_FILS_KEK, info->fils.kek_len,
16375 info->fils.kek)) ||
16377 nla_put(msg, NL80211_ATTR_PMK, info->fils.pmk_len, info->fils.pmk)) ||
16378 (info->fils.pmkid &&
16379 nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, info->fils.pmkid)))
16380 goto nla_put_failure;
16382 genlmsg_end(msg, hdr);
16384 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16385 NL80211_MCGRP_MLME, gfp);
16392 void nl80211_send_port_authorized(struct cfg80211_registered_device *rdev,
16393 struct net_device *netdev, const u8 *bssid)
16395 struct sk_buff *msg;
16398 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
16402 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PORT_AUTHORIZED);
16408 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16409 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16410 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
16411 goto nla_put_failure;
16413 genlmsg_end(msg, hdr);
16415 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16416 NL80211_MCGRP_MLME, GFP_KERNEL);
16423 void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
16424 struct net_device *netdev, u16 reason,
16425 const u8 *ie, size_t ie_len, bool from_ap)
16427 struct sk_buff *msg;
16430 msg = nlmsg_new(100 + ie_len, GFP_KERNEL);
16434 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT);
16440 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16441 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16443 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) ||
16445 nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) ||
16446 (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie)))
16447 goto nla_put_failure;
16449 genlmsg_end(msg, hdr);
16451 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16452 NL80211_MCGRP_MLME, GFP_KERNEL);
16459 void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev,
16460 struct net_device *netdev, const u8 *bssid,
16463 struct sk_buff *msg;
16466 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16470 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS);
16476 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16477 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16478 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
16479 goto nla_put_failure;
16481 genlmsg_end(msg, hdr);
16483 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16484 NL80211_MCGRP_MLME, gfp);
16491 void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr,
16492 const u8 *ie, u8 ie_len,
16493 int sig_dbm, gfp_t gfp)
16495 struct wireless_dev *wdev = dev->ieee80211_ptr;
16496 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16497 struct sk_buff *msg;
16500 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT))
16503 trace_cfg80211_notify_new_peer_candidate(dev, addr);
16505 msg = nlmsg_new(100 + ie_len, gfp);
16509 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE);
16515 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16516 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16517 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
16519 nla_put(msg, NL80211_ATTR_IE, ie_len, ie)) ||
16521 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)))
16522 goto nla_put_failure;
16524 genlmsg_end(msg, hdr);
16526 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16527 NL80211_MCGRP_MLME, gfp);
16533 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate);
16535 void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
16536 struct net_device *netdev, const u8 *addr,
16537 enum nl80211_key_type key_type, int key_id,
16538 const u8 *tsc, gfp_t gfp)
16540 struct sk_buff *msg;
16543 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16547 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE);
16553 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16554 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16555 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
16556 nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) ||
16558 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) ||
16559 (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc)))
16560 goto nla_put_failure;
16562 genlmsg_end(msg, hdr);
16564 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16565 NL80211_MCGRP_MLME, gfp);
16572 void nl80211_send_beacon_hint_event(struct wiphy *wiphy,
16573 struct ieee80211_channel *channel_before,
16574 struct ieee80211_channel *channel_after)
16576 struct sk_buff *msg;
16578 struct nlattr *nl_freq;
16580 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
16584 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT);
16591 * Since we are applying the beacon hint to a wiphy we know its
16592 * wiphy_idx is valid
16594 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
16595 goto nla_put_failure;
16598 nl_freq = nla_nest_start_noflag(msg, NL80211_ATTR_FREQ_BEFORE);
16600 goto nla_put_failure;
16602 if (nl80211_msg_put_channel(msg, wiphy, channel_before, false))
16603 goto nla_put_failure;
16604 nla_nest_end(msg, nl_freq);
16607 nl_freq = nla_nest_start_noflag(msg, NL80211_ATTR_FREQ_AFTER);
16609 goto nla_put_failure;
16611 if (nl80211_msg_put_channel(msg, wiphy, channel_after, false))
16612 goto nla_put_failure;
16613 nla_nest_end(msg, nl_freq);
16615 genlmsg_end(msg, hdr);
16618 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
16619 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
16628 static void nl80211_send_remain_on_chan_event(
16629 int cmd, struct cfg80211_registered_device *rdev,
16630 struct wireless_dev *wdev, u64 cookie,
16631 struct ieee80211_channel *chan,
16632 unsigned int duration, gfp_t gfp)
16634 struct sk_buff *msg;
16637 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16641 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
16647 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16648 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
16649 wdev->netdev->ifindex)) ||
16650 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16651 NL80211_ATTR_PAD) ||
16652 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) ||
16653 nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
16654 NL80211_CHAN_NO_HT) ||
16655 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
16657 goto nla_put_failure;
16659 if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL &&
16660 nla_put_u32(msg, NL80211_ATTR_DURATION, duration))
16661 goto nla_put_failure;
16663 genlmsg_end(msg, hdr);
16665 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16666 NL80211_MCGRP_MLME, gfp);
16673 void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie,
16674 struct ieee80211_channel *chan,
16675 unsigned int duration, gfp_t gfp)
16677 struct wiphy *wiphy = wdev->wiphy;
16678 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16680 trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration);
16681 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL,
16682 rdev, wdev, cookie, chan,
16685 EXPORT_SYMBOL(cfg80211_ready_on_channel);
16687 void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie,
16688 struct ieee80211_channel *chan,
16691 struct wiphy *wiphy = wdev->wiphy;
16692 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16694 trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan);
16695 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
16696 rdev, wdev, cookie, chan, 0, gfp);
16698 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired);
16700 void cfg80211_tx_mgmt_expired(struct wireless_dev *wdev, u64 cookie,
16701 struct ieee80211_channel *chan,
16704 struct wiphy *wiphy = wdev->wiphy;
16705 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16707 trace_cfg80211_tx_mgmt_expired(wdev, cookie, chan);
16708 nl80211_send_remain_on_chan_event(NL80211_CMD_FRAME_WAIT_CANCEL,
16709 rdev, wdev, cookie, chan, 0, gfp);
16711 EXPORT_SYMBOL(cfg80211_tx_mgmt_expired);
16713 void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr,
16714 struct station_info *sinfo, gfp_t gfp)
16716 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
16717 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16718 struct sk_buff *msg;
16720 trace_cfg80211_new_sta(dev, mac_addr, sinfo);
16722 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16726 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION, 0, 0, 0,
16727 rdev, dev, mac_addr, sinfo) < 0) {
16732 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16733 NL80211_MCGRP_MLME, gfp);
16735 EXPORT_SYMBOL(cfg80211_new_sta);
16737 void cfg80211_del_sta_sinfo(struct net_device *dev, const u8 *mac_addr,
16738 struct station_info *sinfo, gfp_t gfp)
16740 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
16741 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16742 struct sk_buff *msg;
16743 struct station_info empty_sinfo = {};
16746 sinfo = &empty_sinfo;
16748 trace_cfg80211_del_sta(dev, mac_addr);
16750 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16752 cfg80211_sinfo_release_content(sinfo);
16756 if (nl80211_send_station(msg, NL80211_CMD_DEL_STATION, 0, 0, 0,
16757 rdev, dev, mac_addr, sinfo) < 0) {
16762 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16763 NL80211_MCGRP_MLME, gfp);
16765 EXPORT_SYMBOL(cfg80211_del_sta_sinfo);
16767 void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr,
16768 enum nl80211_connect_failed_reason reason,
16771 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
16772 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16773 struct sk_buff *msg;
16776 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
16780 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED);
16786 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16787 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
16788 nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason))
16789 goto nla_put_failure;
16791 genlmsg_end(msg, hdr);
16793 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16794 NL80211_MCGRP_MLME, gfp);
16800 EXPORT_SYMBOL(cfg80211_conn_failed);
16802 static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd,
16803 const u8 *addr, gfp_t gfp)
16805 struct wireless_dev *wdev = dev->ieee80211_ptr;
16806 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16807 struct sk_buff *msg;
16809 u32 nlportid = READ_ONCE(wdev->ap_unexpected_nlportid);
16814 msg = nlmsg_new(100, gfp);
16818 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
16824 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16825 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16826 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
16827 goto nla_put_failure;
16829 genlmsg_end(msg, hdr);
16830 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
16838 bool cfg80211_rx_spurious_frame(struct net_device *dev,
16839 const u8 *addr, gfp_t gfp)
16841 struct wireless_dev *wdev = dev->ieee80211_ptr;
16844 trace_cfg80211_rx_spurious_frame(dev, addr);
16846 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
16847 wdev->iftype != NL80211_IFTYPE_P2P_GO)) {
16848 trace_cfg80211_return_bool(false);
16851 ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME,
16853 trace_cfg80211_return_bool(ret);
16856 EXPORT_SYMBOL(cfg80211_rx_spurious_frame);
16858 bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev,
16859 const u8 *addr, gfp_t gfp)
16861 struct wireless_dev *wdev = dev->ieee80211_ptr;
16864 trace_cfg80211_rx_unexpected_4addr_frame(dev, addr);
16866 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
16867 wdev->iftype != NL80211_IFTYPE_P2P_GO &&
16868 wdev->iftype != NL80211_IFTYPE_AP_VLAN)) {
16869 trace_cfg80211_return_bool(false);
16872 ret = __nl80211_unexpected_frame(dev,
16873 NL80211_CMD_UNEXPECTED_4ADDR_FRAME,
16875 trace_cfg80211_return_bool(ret);
16878 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame);
16880 int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
16881 struct wireless_dev *wdev, u32 nlportid,
16882 int freq, int sig_dbm,
16883 const u8 *buf, size_t len, u32 flags, gfp_t gfp)
16885 struct net_device *netdev = wdev->netdev;
16886 struct sk_buff *msg;
16889 msg = nlmsg_new(100 + len, gfp);
16893 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
16899 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16900 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
16901 netdev->ifindex)) ||
16902 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16903 NL80211_ATTR_PAD) ||
16904 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, KHZ_TO_MHZ(freq)) ||
16905 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_OFFSET, freq % 1000) ||
16907 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
16908 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
16910 nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, flags)))
16911 goto nla_put_failure;
16913 genlmsg_end(msg, hdr);
16915 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
16922 static void nl80211_frame_tx_status(struct wireless_dev *wdev, u64 cookie,
16923 const u8 *buf, size_t len, bool ack,
16924 gfp_t gfp, enum nl80211_commands command)
16926 struct wiphy *wiphy = wdev->wiphy;
16927 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16928 struct net_device *netdev = wdev->netdev;
16929 struct sk_buff *msg;
16932 if (command == NL80211_CMD_FRAME_TX_STATUS)
16933 trace_cfg80211_mgmt_tx_status(wdev, cookie, ack);
16935 trace_cfg80211_control_port_tx_status(wdev, cookie, ack);
16937 msg = nlmsg_new(100 + len, gfp);
16941 hdr = nl80211hdr_put(msg, 0, 0, 0, command);
16947 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16948 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
16949 netdev->ifindex)) ||
16950 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16951 NL80211_ATTR_PAD) ||
16952 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
16953 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
16954 NL80211_ATTR_PAD) ||
16955 (ack && nla_put_flag(msg, NL80211_ATTR_ACK)))
16956 goto nla_put_failure;
16958 genlmsg_end(msg, hdr);
16960 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16961 NL80211_MCGRP_MLME, gfp);
16968 void cfg80211_control_port_tx_status(struct wireless_dev *wdev, u64 cookie,
16969 const u8 *buf, size_t len, bool ack,
16972 nl80211_frame_tx_status(wdev, cookie, buf, len, ack, gfp,
16973 NL80211_CMD_CONTROL_PORT_FRAME_TX_STATUS);
16975 EXPORT_SYMBOL(cfg80211_control_port_tx_status);
16977 void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie,
16978 const u8 *buf, size_t len, bool ack, gfp_t gfp)
16980 nl80211_frame_tx_status(wdev, cookie, buf, len, ack, gfp,
16981 NL80211_CMD_FRAME_TX_STATUS);
16983 EXPORT_SYMBOL(cfg80211_mgmt_tx_status);
16985 static int __nl80211_rx_control_port(struct net_device *dev,
16986 struct sk_buff *skb,
16987 bool unencrypted, gfp_t gfp)
16989 struct wireless_dev *wdev = dev->ieee80211_ptr;
16990 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16991 struct ethhdr *ehdr = eth_hdr(skb);
16992 const u8 *addr = ehdr->h_source;
16993 u16 proto = be16_to_cpu(skb->protocol);
16994 struct sk_buff *msg;
16996 struct nlattr *frame;
16998 u32 nlportid = READ_ONCE(wdev->conn_owner_nlportid);
17003 msg = nlmsg_new(100 + skb->len, gfp);
17007 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONTROL_PORT_FRAME);
17013 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17014 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
17015 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
17016 NL80211_ATTR_PAD) ||
17017 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
17018 nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, proto) ||
17019 (unencrypted && nla_put_flag(msg,
17020 NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)))
17021 goto nla_put_failure;
17023 frame = nla_reserve(msg, NL80211_ATTR_FRAME, skb->len);
17025 goto nla_put_failure;
17027 skb_copy_bits(skb, 0, nla_data(frame), skb->len);
17028 genlmsg_end(msg, hdr);
17030 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
17037 bool cfg80211_rx_control_port(struct net_device *dev,
17038 struct sk_buff *skb, bool unencrypted)
17042 trace_cfg80211_rx_control_port(dev, skb, unencrypted);
17043 ret = __nl80211_rx_control_port(dev, skb, unencrypted, GFP_ATOMIC);
17044 trace_cfg80211_return_bool(ret == 0);
17047 EXPORT_SYMBOL(cfg80211_rx_control_port);
17049 static struct sk_buff *cfg80211_prepare_cqm(struct net_device *dev,
17050 const char *mac, gfp_t gfp)
17052 struct wireless_dev *wdev = dev->ieee80211_ptr;
17053 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
17054 struct sk_buff *msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17060 cb = (void **)msg->cb;
17062 cb[0] = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
17068 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17069 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
17070 goto nla_put_failure;
17072 if (mac && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
17073 goto nla_put_failure;
17075 cb[1] = nla_nest_start_noflag(msg, NL80211_ATTR_CQM);
17077 goto nla_put_failure;
17087 static void cfg80211_send_cqm(struct sk_buff *msg, gfp_t gfp)
17089 void **cb = (void **)msg->cb;
17090 struct cfg80211_registered_device *rdev = cb[2];
17092 nla_nest_end(msg, cb[1]);
17093 genlmsg_end(msg, cb[0]);
17095 memset(msg->cb, 0, sizeof(msg->cb));
17097 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17098 NL80211_MCGRP_MLME, gfp);
17101 void cfg80211_cqm_rssi_notify(struct net_device *dev,
17102 enum nl80211_cqm_rssi_threshold_event rssi_event,
17103 s32 rssi_level, gfp_t gfp)
17105 struct sk_buff *msg;
17106 struct wireless_dev *wdev = dev->ieee80211_ptr;
17107 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
17109 trace_cfg80211_cqm_rssi_notify(dev, rssi_event, rssi_level);
17111 if (WARN_ON(rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW &&
17112 rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH))
17115 if (wdev->cqm_config) {
17116 wdev->cqm_config->last_rssi_event_value = rssi_level;
17118 cfg80211_cqm_rssi_update(rdev, dev);
17120 if (rssi_level == 0)
17121 rssi_level = wdev->cqm_config->last_rssi_event_value;
17124 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
17128 if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT,
17130 goto nla_put_failure;
17132 if (rssi_level && nla_put_s32(msg, NL80211_ATTR_CQM_RSSI_LEVEL,
17134 goto nla_put_failure;
17136 cfg80211_send_cqm(msg, gfp);
17143 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify);
17145 void cfg80211_cqm_txe_notify(struct net_device *dev,
17146 const u8 *peer, u32 num_packets,
17147 u32 rate, u32 intvl, gfp_t gfp)
17149 struct sk_buff *msg;
17151 msg = cfg80211_prepare_cqm(dev, peer, gfp);
17155 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets))
17156 goto nla_put_failure;
17158 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate))
17159 goto nla_put_failure;
17161 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl))
17162 goto nla_put_failure;
17164 cfg80211_send_cqm(msg, gfp);
17170 EXPORT_SYMBOL(cfg80211_cqm_txe_notify);
17172 void cfg80211_cqm_pktloss_notify(struct net_device *dev,
17173 const u8 *peer, u32 num_packets, gfp_t gfp)
17175 struct sk_buff *msg;
17177 trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets);
17179 msg = cfg80211_prepare_cqm(dev, peer, gfp);
17183 if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets))
17184 goto nla_put_failure;
17186 cfg80211_send_cqm(msg, gfp);
17192 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify);
17194 void cfg80211_cqm_beacon_loss_notify(struct net_device *dev, gfp_t gfp)
17196 struct sk_buff *msg;
17198 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
17202 if (nla_put_flag(msg, NL80211_ATTR_CQM_BEACON_LOSS_EVENT))
17203 goto nla_put_failure;
17205 cfg80211_send_cqm(msg, gfp);
17211 EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify);
17213 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev,
17214 struct net_device *netdev, const u8 *bssid,
17215 const u8 *replay_ctr, gfp_t gfp)
17217 struct sk_buff *msg;
17218 struct nlattr *rekey_attr;
17221 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17225 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD);
17231 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17232 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
17233 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
17234 goto nla_put_failure;
17236 rekey_attr = nla_nest_start_noflag(msg, NL80211_ATTR_REKEY_DATA);
17238 goto nla_put_failure;
17240 if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR,
17241 NL80211_REPLAY_CTR_LEN, replay_ctr))
17242 goto nla_put_failure;
17244 nla_nest_end(msg, rekey_attr);
17246 genlmsg_end(msg, hdr);
17248 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17249 NL80211_MCGRP_MLME, gfp);
17256 void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid,
17257 const u8 *replay_ctr, gfp_t gfp)
17259 struct wireless_dev *wdev = dev->ieee80211_ptr;
17260 struct wiphy *wiphy = wdev->wiphy;
17261 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17263 trace_cfg80211_gtk_rekey_notify(dev, bssid);
17264 nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp);
17266 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify);
17269 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev,
17270 struct net_device *netdev, int index,
17271 const u8 *bssid, bool preauth, gfp_t gfp)
17273 struct sk_buff *msg;
17274 struct nlattr *attr;
17277 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17281 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE);
17287 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17288 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
17289 goto nla_put_failure;
17291 attr = nla_nest_start_noflag(msg, NL80211_ATTR_PMKSA_CANDIDATE);
17293 goto nla_put_failure;
17295 if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) ||
17296 nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) ||
17298 nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH)))
17299 goto nla_put_failure;
17301 nla_nest_end(msg, attr);
17303 genlmsg_end(msg, hdr);
17305 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17306 NL80211_MCGRP_MLME, gfp);
17313 void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index,
17314 const u8 *bssid, bool preauth, gfp_t gfp)
17316 struct wireless_dev *wdev = dev->ieee80211_ptr;
17317 struct wiphy *wiphy = wdev->wiphy;
17318 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17320 trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth);
17321 nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp);
17323 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify);
17325 static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev,
17326 struct net_device *netdev,
17327 struct cfg80211_chan_def *chandef,
17329 enum nl80211_commands notif,
17330 u8 count, bool quiet)
17332 struct sk_buff *msg;
17335 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17339 hdr = nl80211hdr_put(msg, 0, 0, 0, notif);
17345 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
17346 goto nla_put_failure;
17348 if (nl80211_send_chandef(msg, chandef))
17349 goto nla_put_failure;
17351 if (notif == NL80211_CMD_CH_SWITCH_STARTED_NOTIFY) {
17352 if (nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT, count))
17353 goto nla_put_failure;
17355 nla_put_flag(msg, NL80211_ATTR_CH_SWITCH_BLOCK_TX))
17356 goto nla_put_failure;
17359 genlmsg_end(msg, hdr);
17361 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17362 NL80211_MCGRP_MLME, gfp);
17369 void cfg80211_ch_switch_notify(struct net_device *dev,
17370 struct cfg80211_chan_def *chandef)
17372 struct wireless_dev *wdev = dev->ieee80211_ptr;
17373 struct wiphy *wiphy = wdev->wiphy;
17374 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17376 ASSERT_WDEV_LOCK(wdev);
17378 trace_cfg80211_ch_switch_notify(dev, chandef);
17380 wdev->chandef = *chandef;
17381 wdev->preset_chandef = *chandef;
17383 if (wdev->iftype == NL80211_IFTYPE_STATION &&
17384 !WARN_ON(!wdev->current_bss))
17385 cfg80211_update_assoc_bss_entry(wdev, chandef->chan);
17387 cfg80211_sched_dfs_chan_update(rdev);
17389 nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL,
17390 NL80211_CMD_CH_SWITCH_NOTIFY, 0, false);
17392 EXPORT_SYMBOL(cfg80211_ch_switch_notify);
17394 void cfg80211_ch_switch_started_notify(struct net_device *dev,
17395 struct cfg80211_chan_def *chandef,
17396 u8 count, bool quiet)
17398 struct wireless_dev *wdev = dev->ieee80211_ptr;
17399 struct wiphy *wiphy = wdev->wiphy;
17400 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17402 trace_cfg80211_ch_switch_started_notify(dev, chandef);
17404 nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL,
17405 NL80211_CMD_CH_SWITCH_STARTED_NOTIFY,
17408 EXPORT_SYMBOL(cfg80211_ch_switch_started_notify);
17411 nl80211_radar_notify(struct cfg80211_registered_device *rdev,
17412 const struct cfg80211_chan_def *chandef,
17413 enum nl80211_radar_event event,
17414 struct net_device *netdev, gfp_t gfp)
17416 struct sk_buff *msg;
17419 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17423 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT);
17429 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
17430 goto nla_put_failure;
17432 /* NOP and radar events don't need a netdev parameter */
17434 struct wireless_dev *wdev = netdev->ieee80211_ptr;
17436 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
17437 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
17439 goto nla_put_failure;
17442 if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event))
17443 goto nla_put_failure;
17445 if (nl80211_send_chandef(msg, chandef))
17446 goto nla_put_failure;
17448 genlmsg_end(msg, hdr);
17450 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17451 NL80211_MCGRP_MLME, gfp);
17458 void cfg80211_sta_opmode_change_notify(struct net_device *dev, const u8 *mac,
17459 struct sta_opmode_info *sta_opmode,
17462 struct sk_buff *msg;
17463 struct wireless_dev *wdev = dev->ieee80211_ptr;
17464 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
17470 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17474 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STA_OPMODE_CHANGED);
17480 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
17481 goto nla_put_failure;
17483 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
17484 goto nla_put_failure;
17486 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
17487 goto nla_put_failure;
17489 if ((sta_opmode->changed & STA_OPMODE_SMPS_MODE_CHANGED) &&
17490 nla_put_u8(msg, NL80211_ATTR_SMPS_MODE, sta_opmode->smps_mode))
17491 goto nla_put_failure;
17493 if ((sta_opmode->changed & STA_OPMODE_MAX_BW_CHANGED) &&
17494 nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, sta_opmode->bw))
17495 goto nla_put_failure;
17497 if ((sta_opmode->changed & STA_OPMODE_N_SS_CHANGED) &&
17498 nla_put_u8(msg, NL80211_ATTR_NSS, sta_opmode->rx_nss))
17499 goto nla_put_failure;
17501 genlmsg_end(msg, hdr);
17503 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17504 NL80211_MCGRP_MLME, gfp);
17511 EXPORT_SYMBOL(cfg80211_sta_opmode_change_notify);
17513 void cfg80211_probe_status(struct net_device *dev, const u8 *addr,
17514 u64 cookie, bool acked, s32 ack_signal,
17515 bool is_valid_ack_signal, gfp_t gfp)
17517 struct wireless_dev *wdev = dev->ieee80211_ptr;
17518 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
17519 struct sk_buff *msg;
17522 trace_cfg80211_probe_status(dev, addr, cookie, acked);
17524 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17529 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT);
17535 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17536 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
17537 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
17538 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
17539 NL80211_ATTR_PAD) ||
17540 (acked && nla_put_flag(msg, NL80211_ATTR_ACK)) ||
17541 (is_valid_ack_signal && nla_put_s32(msg, NL80211_ATTR_ACK_SIGNAL,
17543 goto nla_put_failure;
17545 genlmsg_end(msg, hdr);
17547 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17548 NL80211_MCGRP_MLME, gfp);
17554 EXPORT_SYMBOL(cfg80211_probe_status);
17556 void cfg80211_report_obss_beacon_khz(struct wiphy *wiphy, const u8 *frame,
17557 size_t len, int freq, int sig_dbm)
17559 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17560 struct sk_buff *msg;
17562 struct cfg80211_beacon_registration *reg;
17564 trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm);
17566 spin_lock_bh(&rdev->beacon_registrations_lock);
17567 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
17568 msg = nlmsg_new(len + 100, GFP_ATOMIC);
17570 spin_unlock_bh(&rdev->beacon_registrations_lock);
17574 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
17576 goto nla_put_failure;
17578 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17580 (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
17581 KHZ_TO_MHZ(freq)) ||
17582 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_OFFSET,
17585 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
17586 nla_put(msg, NL80211_ATTR_FRAME, len, frame))
17587 goto nla_put_failure;
17589 genlmsg_end(msg, hdr);
17591 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid);
17593 spin_unlock_bh(&rdev->beacon_registrations_lock);
17597 spin_unlock_bh(&rdev->beacon_registrations_lock);
17600 EXPORT_SYMBOL(cfg80211_report_obss_beacon_khz);
17603 static int cfg80211_net_detect_results(struct sk_buff *msg,
17604 struct cfg80211_wowlan_wakeup *wakeup)
17606 struct cfg80211_wowlan_nd_info *nd = wakeup->net_detect;
17607 struct nlattr *nl_results, *nl_match, *nl_freqs;
17610 nl_results = nla_nest_start_noflag(msg,
17611 NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS);
17615 for (i = 0; i < nd->n_matches; i++) {
17616 struct cfg80211_wowlan_nd_match *match = nd->matches[i];
17618 nl_match = nla_nest_start_noflag(msg, i);
17622 /* The SSID attribute is optional in nl80211, but for
17623 * simplicity reasons it's always present in the
17624 * cfg80211 structure. If a driver can't pass the
17625 * SSID, that needs to be changed. A zero length SSID
17626 * is still a valid SSID (wildcard), so it cannot be
17627 * used for this purpose.
17629 if (nla_put(msg, NL80211_ATTR_SSID, match->ssid.ssid_len,
17630 match->ssid.ssid)) {
17631 nla_nest_cancel(msg, nl_match);
17635 if (match->n_channels) {
17636 nl_freqs = nla_nest_start_noflag(msg,
17637 NL80211_ATTR_SCAN_FREQUENCIES);
17639 nla_nest_cancel(msg, nl_match);
17643 for (j = 0; j < match->n_channels; j++) {
17644 if (nla_put_u32(msg, j, match->channels[j])) {
17645 nla_nest_cancel(msg, nl_freqs);
17646 nla_nest_cancel(msg, nl_match);
17651 nla_nest_end(msg, nl_freqs);
17654 nla_nest_end(msg, nl_match);
17658 nla_nest_end(msg, nl_results);
17662 void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev,
17663 struct cfg80211_wowlan_wakeup *wakeup,
17666 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
17667 struct sk_buff *msg;
17671 trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup);
17674 size += wakeup->packet_present_len;
17676 msg = nlmsg_new(size, gfp);
17680 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN);
17684 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17685 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
17689 if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
17690 wdev->netdev->ifindex))
17694 struct nlattr *reasons;
17696 reasons = nla_nest_start_noflag(msg,
17697 NL80211_ATTR_WOWLAN_TRIGGERS);
17701 if (wakeup->disconnect &&
17702 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT))
17704 if (wakeup->magic_pkt &&
17705 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT))
17707 if (wakeup->gtk_rekey_failure &&
17708 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE))
17710 if (wakeup->eap_identity_req &&
17711 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST))
17713 if (wakeup->four_way_handshake &&
17714 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE))
17716 if (wakeup->rfkill_release &&
17717 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))
17720 if (wakeup->pattern_idx >= 0 &&
17721 nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
17722 wakeup->pattern_idx))
17725 if (wakeup->tcp_match &&
17726 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH))
17729 if (wakeup->tcp_connlost &&
17730 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST))
17733 if (wakeup->tcp_nomoretokens &&
17735 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS))
17738 if (wakeup->packet) {
17739 u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211;
17740 u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN;
17742 if (!wakeup->packet_80211) {
17744 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023;
17746 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN;
17749 if (wakeup->packet_len &&
17750 nla_put_u32(msg, len_attr, wakeup->packet_len))
17753 if (nla_put(msg, pkt_attr, wakeup->packet_present_len,
17758 if (wakeup->net_detect &&
17759 cfg80211_net_detect_results(msg, wakeup))
17762 nla_nest_end(msg, reasons);
17765 genlmsg_end(msg, hdr);
17767 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17768 NL80211_MCGRP_MLME, gfp);
17774 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup);
17777 void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer,
17778 enum nl80211_tdls_operation oper,
17779 u16 reason_code, gfp_t gfp)
17781 struct wireless_dev *wdev = dev->ieee80211_ptr;
17782 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
17783 struct sk_buff *msg;
17786 trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper,
17789 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17793 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER);
17799 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17800 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
17801 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) ||
17802 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) ||
17803 (reason_code > 0 &&
17804 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code)))
17805 goto nla_put_failure;
17807 genlmsg_end(msg, hdr);
17809 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17810 NL80211_MCGRP_MLME, gfp);
17816 EXPORT_SYMBOL(cfg80211_tdls_oper_request);
17818 static int nl80211_netlink_notify(struct notifier_block * nb,
17819 unsigned long state,
17822 struct netlink_notify *notify = _notify;
17823 struct cfg80211_registered_device *rdev;
17824 struct wireless_dev *wdev;
17825 struct cfg80211_beacon_registration *reg, *tmp;
17827 if (state != NETLINK_URELEASE || notify->protocol != NETLINK_GENERIC)
17828 return NOTIFY_DONE;
17832 list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) {
17833 struct cfg80211_sched_scan_request *sched_scan_req;
17835 list_for_each_entry_rcu(sched_scan_req,
17836 &rdev->sched_scan_req_list,
17838 if (sched_scan_req->owner_nlportid == notify->portid) {
17839 sched_scan_req->nl_owner_dead = true;
17840 schedule_work(&rdev->sched_scan_stop_wk);
17844 list_for_each_entry_rcu(wdev, &rdev->wiphy.wdev_list, list) {
17845 cfg80211_mlme_unregister_socket(wdev, notify->portid);
17847 if (wdev->owner_nlportid == notify->portid) {
17848 wdev->nl_owner_dead = true;
17849 schedule_work(&rdev->destroy_work);
17850 } else if (wdev->conn_owner_nlportid == notify->portid) {
17851 schedule_work(&wdev->disconnect_wk);
17854 cfg80211_release_pmsr(wdev, notify->portid);
17857 spin_lock_bh(&rdev->beacon_registrations_lock);
17858 list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations,
17860 if (reg->nlportid == notify->portid) {
17861 list_del(®->list);
17866 spin_unlock_bh(&rdev->beacon_registrations_lock);
17872 * It is possible that the user space process that is controlling the
17873 * indoor setting disappeared, so notify the regulatory core.
17875 regulatory_netlink_notify(notify->portid);
17879 static struct notifier_block nl80211_netlink_notifier = {
17880 .notifier_call = nl80211_netlink_notify,
17883 void cfg80211_ft_event(struct net_device *netdev,
17884 struct cfg80211_ft_event_params *ft_event)
17886 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
17887 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17888 struct sk_buff *msg;
17891 trace_cfg80211_ft_event(wiphy, netdev, ft_event);
17893 if (!ft_event->target_ap)
17896 msg = nlmsg_new(100 + ft_event->ies_len + ft_event->ric_ies_len,
17901 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT);
17905 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17906 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
17907 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap))
17910 if (ft_event->ies &&
17911 nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies))
17913 if (ft_event->ric_ies &&
17914 nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len,
17915 ft_event->ric_ies))
17918 genlmsg_end(msg, hdr);
17920 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17921 NL80211_MCGRP_MLME, GFP_KERNEL);
17926 EXPORT_SYMBOL(cfg80211_ft_event);
17928 void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp)
17930 struct cfg80211_registered_device *rdev;
17931 struct sk_buff *msg;
17935 rdev = wiphy_to_rdev(wdev->wiphy);
17936 if (!rdev->crit_proto_nlportid)
17939 nlportid = rdev->crit_proto_nlportid;
17940 rdev->crit_proto_nlportid = 0;
17942 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17946 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP);
17948 goto nla_put_failure;
17950 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17951 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
17953 goto nla_put_failure;
17955 genlmsg_end(msg, hdr);
17957 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
17963 EXPORT_SYMBOL(cfg80211_crit_proto_stopped);
17965 void nl80211_send_ap_stopped(struct wireless_dev *wdev)
17967 struct wiphy *wiphy = wdev->wiphy;
17968 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17969 struct sk_buff *msg;
17972 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
17976 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STOP_AP);
17980 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17981 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex) ||
17982 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
17986 genlmsg_end(msg, hdr);
17988 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(wiphy), msg, 0,
17989 NL80211_MCGRP_MLME, GFP_KERNEL);
17995 int cfg80211_external_auth_request(struct net_device *dev,
17996 struct cfg80211_external_auth_params *params,
17999 struct wireless_dev *wdev = dev->ieee80211_ptr;
18000 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
18001 struct sk_buff *msg;
18004 if (!wdev->conn_owner_nlportid)
18007 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
18011 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_EXTERNAL_AUTH);
18013 goto nla_put_failure;
18015 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18016 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
18017 nla_put_u32(msg, NL80211_ATTR_AKM_SUITES, params->key_mgmt_suite) ||
18018 nla_put_u32(msg, NL80211_ATTR_EXTERNAL_AUTH_ACTION,
18020 nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, params->bssid) ||
18021 nla_put(msg, NL80211_ATTR_SSID, params->ssid.ssid_len,
18022 params->ssid.ssid))
18023 goto nla_put_failure;
18025 genlmsg_end(msg, hdr);
18026 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
18027 wdev->conn_owner_nlportid);
18034 EXPORT_SYMBOL(cfg80211_external_auth_request);
18036 void cfg80211_update_owe_info_event(struct net_device *netdev,
18037 struct cfg80211_update_owe_info *owe_info,
18040 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
18041 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18042 struct sk_buff *msg;
18045 trace_cfg80211_update_owe_info_event(wiphy, netdev, owe_info);
18047 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
18051 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_UPDATE_OWE_INFO);
18053 goto nla_put_failure;
18055 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18056 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
18057 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, owe_info->peer))
18058 goto nla_put_failure;
18060 if (!owe_info->ie_len ||
18061 nla_put(msg, NL80211_ATTR_IE, owe_info->ie_len, owe_info->ie))
18062 goto nla_put_failure;
18064 genlmsg_end(msg, hdr);
18066 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18067 NL80211_MCGRP_MLME, gfp);
18071 genlmsg_cancel(msg, hdr);
18074 EXPORT_SYMBOL(cfg80211_update_owe_info_event);
18076 /* initialisation/exit functions */
18078 int __init nl80211_init(void)
18082 err = genl_register_family(&nl80211_fam);
18086 err = netlink_register_notifier(&nl80211_netlink_notifier);
18092 genl_unregister_family(&nl80211_fam);
18096 void nl80211_exit(void)
18098 netlink_unregister_notifier(&nl80211_netlink_notifier);
18099 genl_unregister_family(&nl80211_fam);