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 memset(¶ms, 0, sizeof(params));
3943 if (!info->attrs[NL80211_ATTR_IFNAME])
3946 if (info->attrs[NL80211_ATTR_IFTYPE])
3947 type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
3949 if (!rdev->ops->add_virtual_intf)
3952 if ((type == NL80211_IFTYPE_P2P_DEVICE || type == NL80211_IFTYPE_NAN ||
3953 rdev->wiphy.features & NL80211_FEATURE_MAC_ON_CREATE) &&
3954 info->attrs[NL80211_ATTR_MAC]) {
3955 nla_memcpy(params.macaddr, info->attrs[NL80211_ATTR_MAC],
3957 if (!is_valid_ether_addr(params.macaddr))
3958 return -EADDRNOTAVAIL;
3961 if (info->attrs[NL80211_ATTR_4ADDR]) {
3962 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
3963 err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type);
3968 if (!cfg80211_iftype_allowed(&rdev->wiphy, type, params.use_4addr, 0))
3971 err = nl80211_parse_mon_options(rdev, type, info, ¶ms);
3975 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
3979 wdev = rdev_add_virtual_intf(rdev,
3980 nla_data(info->attrs[NL80211_ATTR_IFNAME]),
3981 NET_NAME_USER, type, ¶ms);
3982 if (WARN_ON(!wdev)) {
3985 } else if (IS_ERR(wdev)) {
3987 return PTR_ERR(wdev);
3990 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
3991 wdev->owner_nlportid = info->snd_portid;
3994 case NL80211_IFTYPE_MESH_POINT:
3995 if (!info->attrs[NL80211_ATTR_MESH_ID])
3998 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
3999 IEEE80211_MAX_MESH_ID_LEN);
4000 wdev->mesh_id_up_len =
4001 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
4002 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
4003 wdev->mesh_id_up_len);
4006 case NL80211_IFTYPE_NAN:
4007 case NL80211_IFTYPE_P2P_DEVICE:
4009 * P2P Device and NAN do not have a netdev, so don't go
4010 * through the netdev notifier and must be added here
4012 cfg80211_init_wdev(wdev);
4013 cfg80211_register_wdev(rdev, wdev);
4019 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
4020 rdev, wdev, NL80211_CMD_NEW_INTERFACE) < 0) {
4025 return genlmsg_reply(msg, info);
4028 static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
4030 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4033 /* to avoid failing a new interface creation due to pending removal */
4034 cfg80211_destroy_ifaces(rdev);
4036 wiphy_lock(&rdev->wiphy);
4037 ret = _nl80211_new_interface(skb, info);
4038 wiphy_unlock(&rdev->wiphy);
4043 static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info)
4045 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4046 struct wireless_dev *wdev = info->user_ptr[1];
4048 if (!rdev->ops->del_virtual_intf)
4052 * We hold RTNL, so this is safe, without RTNL opencount cannot
4053 * reach 0, and thus the rdev cannot be deleted.
4055 * We need to do it for the dev_close(), since that will call
4056 * the netdev notifiers, and we need to acquire the mutex there
4057 * but don't know if we get there from here or from some other
4058 * place (e.g. "ip link set ... down").
4060 mutex_unlock(&rdev->wiphy.mtx);
4063 * If we remove a wireless device without a netdev then clear
4064 * user_ptr[1] so that nl80211_post_doit won't dereference it
4065 * to check if it needs to do dev_put(). Otherwise it crashes
4066 * since the wdev has been freed, unlike with a netdev where
4067 * we need the dev_put() for the netdev to really be freed.
4070 info->user_ptr[1] = NULL;
4072 dev_close(wdev->netdev);
4074 mutex_lock(&rdev->wiphy.mtx);
4076 return rdev_del_virtual_intf(rdev, wdev);
4079 static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info)
4081 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4082 struct net_device *dev = info->user_ptr[1];
4085 if (!info->attrs[NL80211_ATTR_NOACK_MAP])
4088 if (!rdev->ops->set_noack_map)
4091 noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]);
4093 return rdev_set_noack_map(rdev, dev, noack_map);
4096 struct get_key_cookie {
4097 struct sk_buff *msg;
4102 static void get_key_callback(void *c, struct key_params *params)
4105 struct get_key_cookie *cookie = c;
4108 nla_put(cookie->msg, NL80211_ATTR_KEY_DATA,
4109 params->key_len, params->key)) ||
4111 nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ,
4112 params->seq_len, params->seq)) ||
4114 nla_put_u32(cookie->msg, NL80211_ATTR_KEY_CIPHER,
4116 goto nla_put_failure;
4118 key = nla_nest_start_noflag(cookie->msg, NL80211_ATTR_KEY);
4120 goto nla_put_failure;
4123 nla_put(cookie->msg, NL80211_KEY_DATA,
4124 params->key_len, params->key)) ||
4126 nla_put(cookie->msg, NL80211_KEY_SEQ,
4127 params->seq_len, params->seq)) ||
4129 nla_put_u32(cookie->msg, NL80211_KEY_CIPHER,
4131 goto nla_put_failure;
4133 if (nla_put_u8(cookie->msg, NL80211_KEY_IDX, cookie->idx))
4134 goto nla_put_failure;
4136 nla_nest_end(cookie->msg, key);
4143 static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info)
4145 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4147 struct net_device *dev = info->user_ptr[1];
4149 const u8 *mac_addr = NULL;
4151 struct get_key_cookie cookie = {
4155 struct sk_buff *msg;
4156 bool bigtk_support = false;
4158 if (wiphy_ext_feature_isset(&rdev->wiphy,
4159 NL80211_EXT_FEATURE_BEACON_PROTECTION))
4160 bigtk_support = true;
4162 if ((dev->ieee80211_ptr->iftype == NL80211_IFTYPE_STATION ||
4163 dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_CLIENT) &&
4164 wiphy_ext_feature_isset(&rdev->wiphy,
4165 NL80211_EXT_FEATURE_BEACON_PROTECTION_CLIENT))
4166 bigtk_support = true;
4168 if (info->attrs[NL80211_ATTR_KEY_IDX]) {
4169 key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
4171 if (key_idx >= 6 && key_idx <= 7 && !bigtk_support) {
4172 GENL_SET_ERR_MSG(info, "BIGTK not supported");
4177 if (info->attrs[NL80211_ATTR_MAC])
4178 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4180 pairwise = !!mac_addr;
4181 if (info->attrs[NL80211_ATTR_KEY_TYPE]) {
4182 u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
4184 if (kt != NL80211_KEYTYPE_GROUP &&
4185 kt != NL80211_KEYTYPE_PAIRWISE)
4187 pairwise = kt == NL80211_KEYTYPE_PAIRWISE;
4190 if (!rdev->ops->get_key)
4193 if (!pairwise && mac_addr && !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
4196 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4200 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
4201 NL80211_CMD_NEW_KEY);
4203 goto nla_put_failure;
4206 cookie.idx = key_idx;
4208 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
4209 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx))
4210 goto nla_put_failure;
4212 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr))
4213 goto nla_put_failure;
4215 err = rdev_get_key(rdev, dev, key_idx, pairwise, mac_addr, &cookie,
4222 goto nla_put_failure;
4224 genlmsg_end(msg, hdr);
4225 return genlmsg_reply(msg, info);
4234 static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info)
4236 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4237 struct key_parse key;
4239 struct net_device *dev = info->user_ptr[1];
4241 err = nl80211_parse_key(info, &key);
4248 /* Only support setting default key and
4249 * Extended Key ID action NL80211_KEY_SET_TX.
4251 if (!key.def && !key.defmgmt && !key.defbeacon &&
4252 !(key.p.mode == NL80211_KEY_SET_TX))
4255 wdev_lock(dev->ieee80211_ptr);
4258 if (!rdev->ops->set_default_key) {
4263 err = nl80211_key_allowed(dev->ieee80211_ptr);
4267 err = rdev_set_default_key(rdev, dev, key.idx,
4268 key.def_uni, key.def_multi);
4273 #ifdef CONFIG_CFG80211_WEXT
4274 dev->ieee80211_ptr->wext.default_key = key.idx;
4276 } else if (key.defmgmt) {
4277 if (key.def_uni || !key.def_multi) {
4282 if (!rdev->ops->set_default_mgmt_key) {
4287 err = nl80211_key_allowed(dev->ieee80211_ptr);
4291 err = rdev_set_default_mgmt_key(rdev, dev, key.idx);
4295 #ifdef CONFIG_CFG80211_WEXT
4296 dev->ieee80211_ptr->wext.default_mgmt_key = key.idx;
4298 } else if (key.defbeacon) {
4299 if (key.def_uni || !key.def_multi) {
4304 if (!rdev->ops->set_default_beacon_key) {
4309 err = nl80211_key_allowed(dev->ieee80211_ptr);
4313 err = rdev_set_default_beacon_key(rdev, dev, key.idx);
4316 } else if (key.p.mode == NL80211_KEY_SET_TX &&
4317 wiphy_ext_feature_isset(&rdev->wiphy,
4318 NL80211_EXT_FEATURE_EXT_KEY_ID)) {
4319 u8 *mac_addr = NULL;
4321 if (info->attrs[NL80211_ATTR_MAC])
4322 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4324 if (!mac_addr || key.idx < 0 || key.idx > 1) {
4329 err = rdev_add_key(rdev, dev, key.idx,
4330 NL80211_KEYTYPE_PAIRWISE,
4336 wdev_unlock(dev->ieee80211_ptr);
4341 static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info)
4343 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4345 struct net_device *dev = info->user_ptr[1];
4346 struct key_parse key;
4347 const u8 *mac_addr = NULL;
4349 err = nl80211_parse_key(info, &key);
4354 GENL_SET_ERR_MSG(info, "no key");
4358 if (info->attrs[NL80211_ATTR_MAC])
4359 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4361 if (key.type == -1) {
4363 key.type = NL80211_KEYTYPE_PAIRWISE;
4365 key.type = NL80211_KEYTYPE_GROUP;
4369 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
4370 key.type != NL80211_KEYTYPE_GROUP) {
4371 GENL_SET_ERR_MSG(info, "key type not pairwise or group");
4375 if (key.type == NL80211_KEYTYPE_GROUP &&
4376 info->attrs[NL80211_ATTR_VLAN_ID])
4377 key.p.vlan_id = nla_get_u16(info->attrs[NL80211_ATTR_VLAN_ID]);
4379 if (!rdev->ops->add_key)
4382 if (cfg80211_validate_key_settings(rdev, &key.p, key.idx,
4383 key.type == NL80211_KEYTYPE_PAIRWISE,
4385 GENL_SET_ERR_MSG(info, "key setting validation failed");
4389 wdev_lock(dev->ieee80211_ptr);
4390 err = nl80211_key_allowed(dev->ieee80211_ptr);
4392 GENL_SET_ERR_MSG(info, "key not allowed");
4394 err = rdev_add_key(rdev, dev, key.idx,
4395 key.type == NL80211_KEYTYPE_PAIRWISE,
4398 GENL_SET_ERR_MSG(info, "key addition failed");
4400 wdev_unlock(dev->ieee80211_ptr);
4405 static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
4407 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4409 struct net_device *dev = info->user_ptr[1];
4410 u8 *mac_addr = NULL;
4411 struct key_parse key;
4413 err = nl80211_parse_key(info, &key);
4417 if (info->attrs[NL80211_ATTR_MAC])
4418 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4420 if (key.type == -1) {
4422 key.type = NL80211_KEYTYPE_PAIRWISE;
4424 key.type = NL80211_KEYTYPE_GROUP;
4428 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
4429 key.type != NL80211_KEYTYPE_GROUP)
4432 if (!cfg80211_valid_key_idx(rdev, key.idx,
4433 key.type == NL80211_KEYTYPE_PAIRWISE))
4436 if (!rdev->ops->del_key)
4439 wdev_lock(dev->ieee80211_ptr);
4440 err = nl80211_key_allowed(dev->ieee80211_ptr);
4442 if (key.type == NL80211_KEYTYPE_GROUP && mac_addr &&
4443 !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
4447 err = rdev_del_key(rdev, dev, key.idx,
4448 key.type == NL80211_KEYTYPE_PAIRWISE,
4451 #ifdef CONFIG_CFG80211_WEXT
4453 if (key.idx == dev->ieee80211_ptr->wext.default_key)
4454 dev->ieee80211_ptr->wext.default_key = -1;
4455 else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key)
4456 dev->ieee80211_ptr->wext.default_mgmt_key = -1;
4459 wdev_unlock(dev->ieee80211_ptr);
4464 /* This function returns an error or the number of nested attributes */
4465 static int validate_acl_mac_addrs(struct nlattr *nl_attr)
4467 struct nlattr *attr;
4468 int n_entries = 0, tmp;
4470 nla_for_each_nested(attr, nl_attr, tmp) {
4471 if (nla_len(attr) != ETH_ALEN)
4481 * This function parses ACL information and allocates memory for ACL data.
4482 * On successful return, the calling function is responsible to free the
4483 * ACL buffer returned by this function.
4485 static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy,
4486 struct genl_info *info)
4488 enum nl80211_acl_policy acl_policy;
4489 struct nlattr *attr;
4490 struct cfg80211_acl_data *acl;
4491 int i = 0, n_entries, tmp;
4493 if (!wiphy->max_acl_mac_addrs)
4494 return ERR_PTR(-EOPNOTSUPP);
4496 if (!info->attrs[NL80211_ATTR_ACL_POLICY])
4497 return ERR_PTR(-EINVAL);
4499 acl_policy = nla_get_u32(info->attrs[NL80211_ATTR_ACL_POLICY]);
4500 if (acl_policy != NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED &&
4501 acl_policy != NL80211_ACL_POLICY_DENY_UNLESS_LISTED)
4502 return ERR_PTR(-EINVAL);
4504 if (!info->attrs[NL80211_ATTR_MAC_ADDRS])
4505 return ERR_PTR(-EINVAL);
4507 n_entries = validate_acl_mac_addrs(info->attrs[NL80211_ATTR_MAC_ADDRS]);
4509 return ERR_PTR(n_entries);
4511 if (n_entries > wiphy->max_acl_mac_addrs)
4512 return ERR_PTR(-ENOTSUPP);
4514 acl = kzalloc(struct_size(acl, mac_addrs, n_entries), GFP_KERNEL);
4516 return ERR_PTR(-ENOMEM);
4518 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_MAC_ADDRS], tmp) {
4519 memcpy(acl->mac_addrs[i].addr, nla_data(attr), ETH_ALEN);
4523 acl->n_acl_entries = n_entries;
4524 acl->acl_policy = acl_policy;
4529 static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info)
4531 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4532 struct net_device *dev = info->user_ptr[1];
4533 struct cfg80211_acl_data *acl;
4536 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4537 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4540 if (!dev->ieee80211_ptr->beacon_interval)
4543 acl = parse_acl_data(&rdev->wiphy, info);
4545 return PTR_ERR(acl);
4547 err = rdev_set_mac_acl(rdev, dev, acl);
4554 static u32 rateset_to_mask(struct ieee80211_supported_band *sband,
4555 u8 *rates, u8 rates_len)
4560 for (i = 0; i < rates_len; i++) {
4561 int rate = (rates[i] & 0x7f) * 5;
4564 for (ridx = 0; ridx < sband->n_bitrates; ridx++) {
4565 struct ieee80211_rate *srate =
4566 &sband->bitrates[ridx];
4567 if (rate == srate->bitrate) {
4572 if (ridx == sband->n_bitrates)
4573 return 0; /* rate not found */
4579 static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband,
4580 u8 *rates, u8 rates_len,
4581 u8 mcs[IEEE80211_HT_MCS_MASK_LEN])
4585 memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN);
4587 for (i = 0; i < rates_len; i++) {
4590 ridx = rates[i] / 8;
4591 rbit = BIT(rates[i] % 8);
4593 /* check validity */
4594 if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN))
4597 /* check availability */
4598 ridx = array_index_nospec(ridx, IEEE80211_HT_MCS_MASK_LEN);
4599 if (sband->ht_cap.mcs.rx_mask[ridx] & rbit)
4608 static u16 vht_mcs_map_to_mcs_mask(u8 vht_mcs_map)
4612 switch (vht_mcs_map) {
4613 case IEEE80211_VHT_MCS_NOT_SUPPORTED:
4615 case IEEE80211_VHT_MCS_SUPPORT_0_7:
4618 case IEEE80211_VHT_MCS_SUPPORT_0_8:
4621 case IEEE80211_VHT_MCS_SUPPORT_0_9:
4631 static void vht_build_mcs_mask(u16 vht_mcs_map,
4632 u16 vht_mcs_mask[NL80211_VHT_NSS_MAX])
4636 for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) {
4637 vht_mcs_mask[nss] = vht_mcs_map_to_mcs_mask(vht_mcs_map & 0x03);
4642 static bool vht_set_mcs_mask(struct ieee80211_supported_band *sband,
4643 struct nl80211_txrate_vht *txrate,
4644 u16 mcs[NL80211_VHT_NSS_MAX])
4646 u16 tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
4647 u16 tx_mcs_mask[NL80211_VHT_NSS_MAX] = {};
4650 if (!sband->vht_cap.vht_supported)
4653 memset(mcs, 0, sizeof(u16) * NL80211_VHT_NSS_MAX);
4655 /* Build vht_mcs_mask from VHT capabilities */
4656 vht_build_mcs_mask(tx_mcs_map, tx_mcs_mask);
4658 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
4659 if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i])
4660 mcs[i] = txrate->mcs[i];
4668 static u16 he_mcs_map_to_mcs_mask(u8 he_mcs_map)
4670 switch (he_mcs_map) {
4671 case IEEE80211_HE_MCS_NOT_SUPPORTED:
4673 case IEEE80211_HE_MCS_SUPPORT_0_7:
4675 case IEEE80211_HE_MCS_SUPPORT_0_9:
4677 case IEEE80211_HE_MCS_SUPPORT_0_11:
4685 static void he_build_mcs_mask(u16 he_mcs_map,
4686 u16 he_mcs_mask[NL80211_HE_NSS_MAX])
4690 for (nss = 0; nss < NL80211_HE_NSS_MAX; nss++) {
4691 he_mcs_mask[nss] = he_mcs_map_to_mcs_mask(he_mcs_map & 0x03);
4696 static u16 he_get_txmcsmap(struct genl_info *info,
4697 const struct ieee80211_sta_he_cap *he_cap)
4699 struct net_device *dev = info->user_ptr[1];
4700 struct wireless_dev *wdev = dev->ieee80211_ptr;
4703 switch (wdev->chandef.width) {
4704 case NL80211_CHAN_WIDTH_80P80:
4705 tx_mcs = he_cap->he_mcs_nss_supp.tx_mcs_80p80;
4707 case NL80211_CHAN_WIDTH_160:
4708 tx_mcs = he_cap->he_mcs_nss_supp.tx_mcs_160;
4711 tx_mcs = he_cap->he_mcs_nss_supp.tx_mcs_80;
4714 return le16_to_cpu(tx_mcs);
4717 static bool he_set_mcs_mask(struct genl_info *info,
4718 struct wireless_dev *wdev,
4719 struct ieee80211_supported_band *sband,
4720 struct nl80211_txrate_he *txrate,
4721 u16 mcs[NL80211_HE_NSS_MAX])
4723 const struct ieee80211_sta_he_cap *he_cap;
4724 u16 tx_mcs_mask[NL80211_HE_NSS_MAX] = {};
4728 he_cap = ieee80211_get_he_iftype_cap(sband, wdev->iftype);
4732 memset(mcs, 0, sizeof(u16) * NL80211_HE_NSS_MAX);
4734 tx_mcs_map = he_get_txmcsmap(info, he_cap);
4736 /* Build he_mcs_mask from HE capabilities */
4737 he_build_mcs_mask(tx_mcs_map, tx_mcs_mask);
4739 for (i = 0; i < NL80211_HE_NSS_MAX; i++) {
4740 if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i])
4741 mcs[i] = txrate->mcs[i];
4749 static int nl80211_parse_tx_bitrate_mask(struct genl_info *info,
4750 struct nlattr *attrs[],
4751 enum nl80211_attrs attr,
4752 struct cfg80211_bitrate_mask *mask,
4753 struct net_device *dev,
4754 bool default_all_enabled)
4756 struct nlattr *tb[NL80211_TXRATE_MAX + 1];
4757 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4758 struct wireless_dev *wdev = dev->ieee80211_ptr;
4760 struct nlattr *tx_rates;
4761 struct ieee80211_supported_band *sband;
4762 u16 vht_tx_mcs_map, he_tx_mcs_map;
4764 memset(mask, 0, sizeof(*mask));
4765 /* Default to all rates enabled */
4766 for (i = 0; i < NUM_NL80211_BANDS; i++) {
4767 const struct ieee80211_sta_he_cap *he_cap;
4769 if (!default_all_enabled)
4772 sband = rdev->wiphy.bands[i];
4777 mask->control[i].legacy = (1 << sband->n_bitrates) - 1;
4778 memcpy(mask->control[i].ht_mcs,
4779 sband->ht_cap.mcs.rx_mask,
4780 sizeof(mask->control[i].ht_mcs));
4782 if (!sband->vht_cap.vht_supported)
4785 vht_tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
4786 vht_build_mcs_mask(vht_tx_mcs_map, mask->control[i].vht_mcs);
4788 he_cap = ieee80211_get_he_iftype_cap(sband, wdev->iftype);
4792 he_tx_mcs_map = he_get_txmcsmap(info, he_cap);
4793 he_build_mcs_mask(he_tx_mcs_map, mask->control[i].he_mcs);
4795 mask->control[i].he_gi = 0xFF;
4796 mask->control[i].he_ltf = 0xFF;
4799 /* if no rates are given set it back to the defaults */
4803 /* The nested attribute uses enum nl80211_band as the index. This maps
4804 * directly to the enum nl80211_band values used in cfg80211.
4806 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8);
4807 nla_for_each_nested(tx_rates, attrs[attr], rem) {
4808 enum nl80211_band band = nla_type(tx_rates);
4811 if (band < 0 || band >= NUM_NL80211_BANDS)
4813 sband = rdev->wiphy.bands[band];
4816 err = nla_parse_nested_deprecated(tb, NL80211_TXRATE_MAX,
4818 nl80211_txattr_policy,
4822 if (tb[NL80211_TXRATE_LEGACY]) {
4823 mask->control[band].legacy = rateset_to_mask(
4825 nla_data(tb[NL80211_TXRATE_LEGACY]),
4826 nla_len(tb[NL80211_TXRATE_LEGACY]));
4827 if ((mask->control[band].legacy == 0) &&
4828 nla_len(tb[NL80211_TXRATE_LEGACY]))
4831 if (tb[NL80211_TXRATE_HT]) {
4832 if (!ht_rateset_to_mask(
4834 nla_data(tb[NL80211_TXRATE_HT]),
4835 nla_len(tb[NL80211_TXRATE_HT]),
4836 mask->control[band].ht_mcs))
4840 if (tb[NL80211_TXRATE_VHT]) {
4841 if (!vht_set_mcs_mask(
4843 nla_data(tb[NL80211_TXRATE_VHT]),
4844 mask->control[band].vht_mcs))
4848 if (tb[NL80211_TXRATE_GI]) {
4849 mask->control[band].gi =
4850 nla_get_u8(tb[NL80211_TXRATE_GI]);
4851 if (mask->control[band].gi > NL80211_TXRATE_FORCE_LGI)
4854 if (tb[NL80211_TXRATE_HE] &&
4855 !he_set_mcs_mask(info, wdev, sband,
4856 nla_data(tb[NL80211_TXRATE_HE]),
4857 mask->control[band].he_mcs))
4860 if (tb[NL80211_TXRATE_HE_GI])
4861 mask->control[band].he_gi =
4862 nla_get_u8(tb[NL80211_TXRATE_HE_GI]);
4863 if (tb[NL80211_TXRATE_HE_LTF])
4864 mask->control[band].he_ltf =
4865 nla_get_u8(tb[NL80211_TXRATE_HE_LTF]);
4867 if (mask->control[band].legacy == 0) {
4868 /* don't allow empty legacy rates if HT, VHT or HE
4869 * are not even supported.
4871 if (!(rdev->wiphy.bands[band]->ht_cap.ht_supported ||
4872 rdev->wiphy.bands[band]->vht_cap.vht_supported ||
4873 ieee80211_get_he_iftype_cap(sband, wdev->iftype)))
4876 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
4877 if (mask->control[band].ht_mcs[i])
4880 for (i = 0; i < NL80211_VHT_NSS_MAX; i++)
4881 if (mask->control[band].vht_mcs[i])
4884 for (i = 0; i < NL80211_HE_NSS_MAX; i++)
4885 if (mask->control[band].he_mcs[i])
4888 /* legacy and mcs rates may not be both empty */
4897 static int validate_beacon_tx_rate(struct cfg80211_registered_device *rdev,
4898 enum nl80211_band band,
4899 struct cfg80211_bitrate_mask *beacon_rate)
4901 u32 count_ht, count_vht, count_he, i;
4902 u32 rate = beacon_rate->control[band].legacy;
4904 /* Allow only one rate */
4905 if (hweight32(rate) > 1)
4909 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) {
4910 if (hweight8(beacon_rate->control[band].ht_mcs[i]) > 1) {
4912 } else if (beacon_rate->control[band].ht_mcs[i]) {
4917 if (count_ht && rate)
4922 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
4923 if (hweight16(beacon_rate->control[band].vht_mcs[i]) > 1) {
4925 } else if (beacon_rate->control[band].vht_mcs[i]) {
4930 if (count_vht && rate)
4935 for (i = 0; i < NL80211_HE_NSS_MAX; i++) {
4936 if (hweight16(beacon_rate->control[band].he_mcs[i]) > 1) {
4938 } else if (beacon_rate->control[band].he_mcs[i]) {
4943 if (count_he && rate)
4947 if ((count_ht && count_vht && count_he) ||
4948 (!rate && !count_ht && !count_vht && !count_he))
4952 !wiphy_ext_feature_isset(&rdev->wiphy,
4953 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY))
4956 !wiphy_ext_feature_isset(&rdev->wiphy,
4957 NL80211_EXT_FEATURE_BEACON_RATE_HT))
4960 !wiphy_ext_feature_isset(&rdev->wiphy,
4961 NL80211_EXT_FEATURE_BEACON_RATE_VHT))
4964 !wiphy_ext_feature_isset(&rdev->wiphy,
4965 NL80211_EXT_FEATURE_BEACON_RATE_HE))
4971 static int nl80211_parse_beacon(struct cfg80211_registered_device *rdev,
4972 struct nlattr *attrs[],
4973 struct cfg80211_beacon_data *bcn)
4975 bool haveinfo = false;
4978 memset(bcn, 0, sizeof(*bcn));
4980 if (attrs[NL80211_ATTR_BEACON_HEAD]) {
4981 bcn->head = nla_data(attrs[NL80211_ATTR_BEACON_HEAD]);
4982 bcn->head_len = nla_len(attrs[NL80211_ATTR_BEACON_HEAD]);
4988 if (attrs[NL80211_ATTR_BEACON_TAIL]) {
4989 bcn->tail = nla_data(attrs[NL80211_ATTR_BEACON_TAIL]);
4990 bcn->tail_len = nla_len(attrs[NL80211_ATTR_BEACON_TAIL]);
4997 if (attrs[NL80211_ATTR_IE]) {
4998 bcn->beacon_ies = nla_data(attrs[NL80211_ATTR_IE]);
4999 bcn->beacon_ies_len = nla_len(attrs[NL80211_ATTR_IE]);
5002 if (attrs[NL80211_ATTR_IE_PROBE_RESP]) {
5003 bcn->proberesp_ies =
5004 nla_data(attrs[NL80211_ATTR_IE_PROBE_RESP]);
5005 bcn->proberesp_ies_len =
5006 nla_len(attrs[NL80211_ATTR_IE_PROBE_RESP]);
5009 if (attrs[NL80211_ATTR_IE_ASSOC_RESP]) {
5010 bcn->assocresp_ies =
5011 nla_data(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
5012 bcn->assocresp_ies_len =
5013 nla_len(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
5016 if (attrs[NL80211_ATTR_PROBE_RESP]) {
5017 bcn->probe_resp = nla_data(attrs[NL80211_ATTR_PROBE_RESP]);
5018 bcn->probe_resp_len = nla_len(attrs[NL80211_ATTR_PROBE_RESP]);
5021 if (attrs[NL80211_ATTR_FTM_RESPONDER]) {
5022 struct nlattr *tb[NL80211_FTM_RESP_ATTR_MAX + 1];
5024 err = nla_parse_nested_deprecated(tb,
5025 NL80211_FTM_RESP_ATTR_MAX,
5026 attrs[NL80211_ATTR_FTM_RESPONDER],
5031 if (tb[NL80211_FTM_RESP_ATTR_ENABLED] &&
5032 wiphy_ext_feature_isset(&rdev->wiphy,
5033 NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER))
5034 bcn->ftm_responder = 1;
5038 if (tb[NL80211_FTM_RESP_ATTR_LCI]) {
5039 bcn->lci = nla_data(tb[NL80211_FTM_RESP_ATTR_LCI]);
5040 bcn->lci_len = nla_len(tb[NL80211_FTM_RESP_ATTR_LCI]);
5043 if (tb[NL80211_FTM_RESP_ATTR_CIVICLOC]) {
5044 bcn->civicloc = nla_data(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]);
5045 bcn->civicloc_len = nla_len(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]);
5048 bcn->ftm_responder = -1;
5054 static int nl80211_parse_he_obss_pd(struct nlattr *attrs,
5055 struct ieee80211_he_obss_pd *he_obss_pd)
5057 struct nlattr *tb[NL80211_HE_OBSS_PD_ATTR_MAX + 1];
5060 err = nla_parse_nested(tb, NL80211_HE_OBSS_PD_ATTR_MAX, attrs,
5061 he_obss_pd_policy, NULL);
5065 if (!tb[NL80211_HE_OBSS_PD_ATTR_SR_CTRL])
5068 he_obss_pd->sr_ctrl = nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_SR_CTRL]);
5070 if (tb[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET])
5071 he_obss_pd->min_offset =
5072 nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET]);
5073 if (tb[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET])
5074 he_obss_pd->max_offset =
5075 nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET]);
5076 if (tb[NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET])
5077 he_obss_pd->non_srg_max_offset =
5078 nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET]);
5080 if (he_obss_pd->min_offset > he_obss_pd->max_offset)
5083 if (tb[NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP])
5084 memcpy(he_obss_pd->bss_color_bitmap,
5085 nla_data(tb[NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP]),
5086 sizeof(he_obss_pd->bss_color_bitmap));
5088 if (tb[NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP])
5089 memcpy(he_obss_pd->partial_bssid_bitmap,
5090 nla_data(tb[NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP]),
5091 sizeof(he_obss_pd->partial_bssid_bitmap));
5093 he_obss_pd->enable = true;
5098 static int nl80211_parse_he_bss_color(struct nlattr *attrs,
5099 struct cfg80211_he_bss_color *he_bss_color)
5101 struct nlattr *tb[NL80211_HE_BSS_COLOR_ATTR_MAX + 1];
5104 err = nla_parse_nested(tb, NL80211_HE_BSS_COLOR_ATTR_MAX, attrs,
5105 he_bss_color_policy, NULL);
5109 if (!tb[NL80211_HE_BSS_COLOR_ATTR_COLOR])
5112 he_bss_color->color =
5113 nla_get_u8(tb[NL80211_HE_BSS_COLOR_ATTR_COLOR]);
5114 he_bss_color->enabled =
5115 !nla_get_flag(tb[NL80211_HE_BSS_COLOR_ATTR_DISABLED]);
5116 he_bss_color->partial =
5117 nla_get_flag(tb[NL80211_HE_BSS_COLOR_ATTR_PARTIAL]);
5122 static int nl80211_parse_fils_discovery(struct cfg80211_registered_device *rdev,
5123 struct nlattr *attrs,
5124 struct cfg80211_ap_settings *params)
5126 struct nlattr *tb[NL80211_FILS_DISCOVERY_ATTR_MAX + 1];
5128 struct cfg80211_fils_discovery *fd = ¶ms->fils_discovery;
5130 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5131 NL80211_EXT_FEATURE_FILS_DISCOVERY))
5134 ret = nla_parse_nested(tb, NL80211_FILS_DISCOVERY_ATTR_MAX, attrs,
5139 if (!tb[NL80211_FILS_DISCOVERY_ATTR_INT_MIN] ||
5140 !tb[NL80211_FILS_DISCOVERY_ATTR_INT_MAX] ||
5141 !tb[NL80211_FILS_DISCOVERY_ATTR_TMPL])
5144 fd->tmpl_len = nla_len(tb[NL80211_FILS_DISCOVERY_ATTR_TMPL]);
5145 fd->tmpl = nla_data(tb[NL80211_FILS_DISCOVERY_ATTR_TMPL]);
5146 fd->min_interval = nla_get_u32(tb[NL80211_FILS_DISCOVERY_ATTR_INT_MIN]);
5147 fd->max_interval = nla_get_u32(tb[NL80211_FILS_DISCOVERY_ATTR_INT_MAX]);
5153 nl80211_parse_unsol_bcast_probe_resp(struct cfg80211_registered_device *rdev,
5154 struct nlattr *attrs,
5155 struct cfg80211_ap_settings *params)
5157 struct nlattr *tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_MAX + 1];
5159 struct cfg80211_unsol_bcast_probe_resp *presp =
5160 ¶ms->unsol_bcast_probe_resp;
5162 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5163 NL80211_EXT_FEATURE_UNSOL_BCAST_PROBE_RESP))
5166 ret = nla_parse_nested(tb, NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_MAX,
5171 if (!tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT] ||
5172 !tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL])
5175 presp->tmpl = nla_data(tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL]);
5176 presp->tmpl_len = nla_len(tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL]);
5177 presp->interval = nla_get_u32(tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT]);
5181 static void nl80211_check_ap_rate_selectors(struct cfg80211_ap_settings *params,
5189 for (i = 0; i < rates[1]; i++) {
5190 if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_HT_PHY)
5191 params->ht_required = true;
5192 if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_VHT_PHY)
5193 params->vht_required = true;
5194 if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_HE_PHY)
5195 params->he_required = true;
5196 if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_SAE_H2E)
5197 params->sae_h2e_required = true;
5202 * Since the nl80211 API didn't include, from the beginning, attributes about
5203 * HT/VHT requirements/capabilities, we parse them out of the IEs for the
5204 * benefit of drivers that rebuild IEs in the firmware.
5206 static void nl80211_calculate_ap_params(struct cfg80211_ap_settings *params)
5208 const struct cfg80211_beacon_data *bcn = ¶ms->beacon;
5209 size_t ies_len = bcn->tail_len;
5210 const u8 *ies = bcn->tail;
5214 rates = cfg80211_find_ie(WLAN_EID_SUPP_RATES, ies, ies_len);
5215 nl80211_check_ap_rate_selectors(params, rates);
5217 rates = cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES, ies, ies_len);
5218 nl80211_check_ap_rate_selectors(params, rates);
5220 cap = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, ies, ies_len);
5221 if (cap && cap[1] >= sizeof(*params->ht_cap))
5222 params->ht_cap = (void *)(cap + 2);
5223 cap = cfg80211_find_ie(WLAN_EID_VHT_CAPABILITY, ies, ies_len);
5224 if (cap && cap[1] >= sizeof(*params->vht_cap))
5225 params->vht_cap = (void *)(cap + 2);
5226 cap = cfg80211_find_ext_ie(WLAN_EID_EXT_HE_CAPABILITY, ies, ies_len);
5227 if (cap && cap[1] >= sizeof(*params->he_cap) + 1)
5228 params->he_cap = (void *)(cap + 3);
5229 cap = cfg80211_find_ext_ie(WLAN_EID_EXT_HE_OPERATION, ies, ies_len);
5230 if (cap && cap[1] >= sizeof(*params->he_oper) + 1)
5231 params->he_oper = (void *)(cap + 3);
5234 static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev,
5235 struct cfg80211_ap_settings *params)
5237 struct wireless_dev *wdev;
5240 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
5241 if (wdev->iftype != NL80211_IFTYPE_AP &&
5242 wdev->iftype != NL80211_IFTYPE_P2P_GO)
5245 if (!wdev->preset_chandef.chan)
5248 params->chandef = wdev->preset_chandef;
5256 static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev,
5257 enum nl80211_auth_type auth_type,
5258 enum nl80211_commands cmd)
5260 if (auth_type > NL80211_AUTHTYPE_MAX)
5264 case NL80211_CMD_AUTHENTICATE:
5265 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
5266 auth_type == NL80211_AUTHTYPE_SAE)
5268 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5269 NL80211_EXT_FEATURE_FILS_STA) &&
5270 (auth_type == NL80211_AUTHTYPE_FILS_SK ||
5271 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
5272 auth_type == NL80211_AUTHTYPE_FILS_PK))
5275 case NL80211_CMD_CONNECT:
5276 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
5277 !wiphy_ext_feature_isset(&rdev->wiphy,
5278 NL80211_EXT_FEATURE_SAE_OFFLOAD) &&
5279 auth_type == NL80211_AUTHTYPE_SAE)
5282 /* FILS with SK PFS or PK not supported yet */
5283 if (auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
5284 auth_type == NL80211_AUTHTYPE_FILS_PK)
5286 if (!wiphy_ext_feature_isset(
5288 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) &&
5289 auth_type == NL80211_AUTHTYPE_FILS_SK)
5292 case NL80211_CMD_START_AP:
5293 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5294 NL80211_EXT_FEATURE_SAE_OFFLOAD_AP) &&
5295 auth_type == NL80211_AUTHTYPE_SAE)
5297 /* FILS not supported yet */
5298 if (auth_type == NL80211_AUTHTYPE_FILS_SK ||
5299 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
5300 auth_type == NL80211_AUTHTYPE_FILS_PK)
5308 static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
5310 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5311 struct net_device *dev = info->user_ptr[1];
5312 struct wireless_dev *wdev = dev->ieee80211_ptr;
5313 struct cfg80211_ap_settings params;
5316 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
5317 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5320 if (!rdev->ops->start_ap)
5323 if (wdev->beacon_interval)
5326 memset(¶ms, 0, sizeof(params));
5328 /* these are required for START_AP */
5329 if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] ||
5330 !info->attrs[NL80211_ATTR_DTIM_PERIOD] ||
5331 !info->attrs[NL80211_ATTR_BEACON_HEAD])
5334 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms.beacon);
5338 params.beacon_interval =
5339 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
5340 params.dtim_period =
5341 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
5343 err = cfg80211_validate_beacon_int(rdev, dev->ieee80211_ptr->iftype,
5344 params.beacon_interval);
5349 * In theory, some of these attributes should be required here
5350 * but since they were not used when the command was originally
5351 * added, keep them optional for old user space programs to let
5352 * them continue to work with drivers that do not need the
5353 * additional information -- drivers must check!
5355 if (info->attrs[NL80211_ATTR_SSID]) {
5356 params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
5358 nla_len(info->attrs[NL80211_ATTR_SSID]);
5359 if (params.ssid_len == 0)
5363 if (info->attrs[NL80211_ATTR_HIDDEN_SSID])
5364 params.hidden_ssid = nla_get_u32(
5365 info->attrs[NL80211_ATTR_HIDDEN_SSID]);
5367 params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
5369 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
5370 params.auth_type = nla_get_u32(
5371 info->attrs[NL80211_ATTR_AUTH_TYPE]);
5372 if (!nl80211_valid_auth_type(rdev, params.auth_type,
5373 NL80211_CMD_START_AP))
5376 params.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
5378 err = nl80211_crypto_settings(rdev, info, ¶ms.crypto,
5379 NL80211_MAX_NR_CIPHER_SUITES);
5383 if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) {
5384 if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER))
5386 params.inactivity_timeout = nla_get_u16(
5387 info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]);
5390 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
5391 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5393 params.p2p_ctwindow =
5394 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
5395 if (params.p2p_ctwindow != 0 &&
5396 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
5400 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
5403 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5405 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
5406 params.p2p_opp_ps = tmp;
5407 if (params.p2p_opp_ps != 0 &&
5408 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
5412 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
5413 err = nl80211_parse_chandef(rdev, info, ¶ms.chandef);
5416 } else if (wdev->preset_chandef.chan) {
5417 params.chandef = wdev->preset_chandef;
5418 } else if (!nl80211_get_ap_channel(rdev, ¶ms))
5421 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef,
5425 if (info->attrs[NL80211_ATTR_TX_RATES]) {
5426 err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
5427 NL80211_ATTR_TX_RATES,
5428 ¶ms.beacon_rate,
5433 err = validate_beacon_tx_rate(rdev, params.chandef.chan->band,
5434 ¶ms.beacon_rate);
5439 if (info->attrs[NL80211_ATTR_SMPS_MODE]) {
5441 nla_get_u8(info->attrs[NL80211_ATTR_SMPS_MODE]);
5442 switch (params.smps_mode) {
5443 case NL80211_SMPS_OFF:
5445 case NL80211_SMPS_STATIC:
5446 if (!(rdev->wiphy.features &
5447 NL80211_FEATURE_STATIC_SMPS))
5450 case NL80211_SMPS_DYNAMIC:
5451 if (!(rdev->wiphy.features &
5452 NL80211_FEATURE_DYNAMIC_SMPS))
5459 params.smps_mode = NL80211_SMPS_OFF;
5462 params.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
5463 if (params.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ])
5466 if (info->attrs[NL80211_ATTR_ACL_POLICY]) {
5467 params.acl = parse_acl_data(&rdev->wiphy, info);
5468 if (IS_ERR(params.acl))
5469 return PTR_ERR(params.acl);
5472 params.twt_responder =
5473 nla_get_flag(info->attrs[NL80211_ATTR_TWT_RESPONDER]);
5475 if (info->attrs[NL80211_ATTR_HE_OBSS_PD]) {
5476 err = nl80211_parse_he_obss_pd(
5477 info->attrs[NL80211_ATTR_HE_OBSS_PD],
5478 ¶ms.he_obss_pd);
5483 if (info->attrs[NL80211_ATTR_HE_BSS_COLOR]) {
5484 err = nl80211_parse_he_bss_color(
5485 info->attrs[NL80211_ATTR_HE_BSS_COLOR],
5486 ¶ms.he_bss_color);
5491 if (info->attrs[NL80211_ATTR_FILS_DISCOVERY]) {
5492 err = nl80211_parse_fils_discovery(rdev,
5493 info->attrs[NL80211_ATTR_FILS_DISCOVERY],
5499 if (info->attrs[NL80211_ATTR_UNSOL_BCAST_PROBE_RESP]) {
5500 err = nl80211_parse_unsol_bcast_probe_resp(
5501 rdev, info->attrs[NL80211_ATTR_UNSOL_BCAST_PROBE_RESP],
5507 nl80211_calculate_ap_params(¶ms);
5509 if (info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])
5510 params.flags |= AP_SETTINGS_EXTERNAL_AUTH_SUPPORT;
5513 err = rdev_start_ap(rdev, dev, ¶ms);
5515 wdev->preset_chandef = params.chandef;
5516 wdev->beacon_interval = params.beacon_interval;
5517 wdev->chandef = params.chandef;
5518 wdev->ssid_len = params.ssid_len;
5519 memcpy(wdev->ssid, params.ssid, wdev->ssid_len);
5521 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
5522 wdev->conn_owner_nlportid = info->snd_portid;
5532 static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info)
5534 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5535 struct net_device *dev = info->user_ptr[1];
5536 struct wireless_dev *wdev = dev->ieee80211_ptr;
5537 struct cfg80211_beacon_data params;
5540 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
5541 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5544 if (!rdev->ops->change_beacon)
5547 if (!wdev->beacon_interval)
5550 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms);
5555 err = rdev_change_beacon(rdev, dev, ¶ms);
5561 static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info)
5563 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5564 struct net_device *dev = info->user_ptr[1];
5566 return cfg80211_stop_ap(rdev, dev, false);
5569 static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = {
5570 [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG },
5571 [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG },
5572 [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG },
5573 [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG },
5574 [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG },
5575 [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG },
5578 static int parse_station_flags(struct genl_info *info,
5579 enum nl80211_iftype iftype,
5580 struct station_parameters *params)
5582 struct nlattr *flags[NL80211_STA_FLAG_MAX + 1];
5587 * Try parsing the new attribute first so userspace
5588 * can specify both for older kernels.
5590 nla = info->attrs[NL80211_ATTR_STA_FLAGS2];
5592 struct nl80211_sta_flag_update *sta_flags;
5594 sta_flags = nla_data(nla);
5595 params->sta_flags_mask = sta_flags->mask;
5596 params->sta_flags_set = sta_flags->set;
5597 params->sta_flags_set &= params->sta_flags_mask;
5598 if ((params->sta_flags_mask |
5599 params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID))
5604 /* if present, parse the old attribute */
5606 nla = info->attrs[NL80211_ATTR_STA_FLAGS];
5610 if (nla_parse_nested_deprecated(flags, NL80211_STA_FLAG_MAX, nla, sta_flags_policy, info->extack))
5614 * Only allow certain flags for interface types so that
5615 * other attributes are silently ignored. Remember that
5616 * this is backward compatibility code with old userspace
5617 * and shouldn't be hit in other cases anyway.
5620 case NL80211_IFTYPE_AP:
5621 case NL80211_IFTYPE_AP_VLAN:
5622 case NL80211_IFTYPE_P2P_GO:
5623 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
5624 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
5625 BIT(NL80211_STA_FLAG_WME) |
5626 BIT(NL80211_STA_FLAG_MFP);
5628 case NL80211_IFTYPE_P2P_CLIENT:
5629 case NL80211_IFTYPE_STATION:
5630 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
5631 BIT(NL80211_STA_FLAG_TDLS_PEER);
5633 case NL80211_IFTYPE_MESH_POINT:
5634 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
5635 BIT(NL80211_STA_FLAG_MFP) |
5636 BIT(NL80211_STA_FLAG_AUTHORIZED);
5642 for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) {
5644 params->sta_flags_set |= (1<<flag);
5646 /* no longer support new API additions in old API */
5647 if (flag > NL80211_STA_FLAG_MAX_OLD_API)
5655 bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, int attr)
5657 struct nlattr *rate;
5660 enum nl80211_rate_info rate_flg;
5662 rate = nla_nest_start_noflag(msg, attr);
5666 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
5667 bitrate = cfg80211_calculate_bitrate(info);
5668 /* report 16-bit bitrate only if we can */
5669 bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0;
5671 nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate))
5673 if (bitrate_compat > 0 &&
5674 nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat))
5678 case RATE_INFO_BW_5:
5679 rate_flg = NL80211_RATE_INFO_5_MHZ_WIDTH;
5681 case RATE_INFO_BW_10:
5682 rate_flg = NL80211_RATE_INFO_10_MHZ_WIDTH;
5687 case RATE_INFO_BW_20:
5690 case RATE_INFO_BW_40:
5691 rate_flg = NL80211_RATE_INFO_40_MHZ_WIDTH;
5693 case RATE_INFO_BW_80:
5694 rate_flg = NL80211_RATE_INFO_80_MHZ_WIDTH;
5696 case RATE_INFO_BW_160:
5697 rate_flg = NL80211_RATE_INFO_160_MHZ_WIDTH;
5699 case RATE_INFO_BW_HE_RU:
5701 WARN_ON(!(info->flags & RATE_INFO_FLAGS_HE_MCS));
5704 if (rate_flg && nla_put_flag(msg, rate_flg))
5707 if (info->flags & RATE_INFO_FLAGS_MCS) {
5708 if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs))
5710 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
5711 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
5713 } else if (info->flags & RATE_INFO_FLAGS_VHT_MCS) {
5714 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_MCS, info->mcs))
5716 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss))
5718 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
5719 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
5721 } else if (info->flags & RATE_INFO_FLAGS_HE_MCS) {
5722 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_MCS, info->mcs))
5724 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_NSS, info->nss))
5726 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_GI, info->he_gi))
5728 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_DCM, info->he_dcm))
5730 if (info->bw == RATE_INFO_BW_HE_RU &&
5731 nla_put_u8(msg, NL80211_RATE_INFO_HE_RU_ALLOC,
5736 nla_nest_end(msg, rate);
5740 static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal,
5749 attr = nla_nest_start_noflag(msg, id);
5753 for (i = 0; i < IEEE80211_MAX_CHAINS; i++) {
5754 if (!(mask & BIT(i)))
5757 if (nla_put_u8(msg, i, signal[i]))
5761 nla_nest_end(msg, attr);
5766 static int nl80211_send_station(struct sk_buff *msg, u32 cmd, u32 portid,
5768 struct cfg80211_registered_device *rdev,
5769 struct net_device *dev,
5770 const u8 *mac_addr, struct station_info *sinfo)
5773 struct nlattr *sinfoattr, *bss_param;
5775 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
5777 cfg80211_sinfo_release_content(sinfo);
5781 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
5782 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
5783 nla_put_u32(msg, NL80211_ATTR_GENERATION, sinfo->generation))
5784 goto nla_put_failure;
5786 sinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_STA_INFO);
5788 goto nla_put_failure;
5790 #define PUT_SINFO(attr, memb, type) do { \
5791 BUILD_BUG_ON(sizeof(type) == sizeof(u64)); \
5792 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \
5793 nla_put_ ## type(msg, NL80211_STA_INFO_ ## attr, \
5795 goto nla_put_failure; \
5797 #define PUT_SINFO_U64(attr, memb) do { \
5798 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \
5799 nla_put_u64_64bit(msg, NL80211_STA_INFO_ ## attr, \
5800 sinfo->memb, NL80211_STA_INFO_PAD)) \
5801 goto nla_put_failure; \
5804 PUT_SINFO(CONNECTED_TIME, connected_time, u32);
5805 PUT_SINFO(INACTIVE_TIME, inactive_time, u32);
5806 PUT_SINFO_U64(ASSOC_AT_BOOTTIME, assoc_at);
5808 if (sinfo->filled & (BIT_ULL(NL80211_STA_INFO_RX_BYTES) |
5809 BIT_ULL(NL80211_STA_INFO_RX_BYTES64)) &&
5810 nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES,
5811 (u32)sinfo->rx_bytes))
5812 goto nla_put_failure;
5814 if (sinfo->filled & (BIT_ULL(NL80211_STA_INFO_TX_BYTES) |
5815 BIT_ULL(NL80211_STA_INFO_TX_BYTES64)) &&
5816 nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES,
5817 (u32)sinfo->tx_bytes))
5818 goto nla_put_failure;
5820 PUT_SINFO_U64(RX_BYTES64, rx_bytes);
5821 PUT_SINFO_U64(TX_BYTES64, tx_bytes);
5822 PUT_SINFO(LLID, llid, u16);
5823 PUT_SINFO(PLID, plid, u16);
5824 PUT_SINFO(PLINK_STATE, plink_state, u8);
5825 PUT_SINFO_U64(RX_DURATION, rx_duration);
5826 PUT_SINFO_U64(TX_DURATION, tx_duration);
5828 if (wiphy_ext_feature_isset(&rdev->wiphy,
5829 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
5830 PUT_SINFO(AIRTIME_WEIGHT, airtime_weight, u16);
5832 switch (rdev->wiphy.signal_type) {
5833 case CFG80211_SIGNAL_TYPE_MBM:
5834 PUT_SINFO(SIGNAL, signal, u8);
5835 PUT_SINFO(SIGNAL_AVG, signal_avg, u8);
5840 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL)) {
5841 if (!nl80211_put_signal(msg, sinfo->chains,
5842 sinfo->chain_signal,
5843 NL80211_STA_INFO_CHAIN_SIGNAL))
5844 goto nla_put_failure;
5846 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) {
5847 if (!nl80211_put_signal(msg, sinfo->chains,
5848 sinfo->chain_signal_avg,
5849 NL80211_STA_INFO_CHAIN_SIGNAL_AVG))
5850 goto nla_put_failure;
5852 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_TX_BITRATE)) {
5853 if (!nl80211_put_sta_rate(msg, &sinfo->txrate,
5854 NL80211_STA_INFO_TX_BITRATE))
5855 goto nla_put_failure;
5857 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_RX_BITRATE)) {
5858 if (!nl80211_put_sta_rate(msg, &sinfo->rxrate,
5859 NL80211_STA_INFO_RX_BITRATE))
5860 goto nla_put_failure;
5863 PUT_SINFO(RX_PACKETS, rx_packets, u32);
5864 PUT_SINFO(TX_PACKETS, tx_packets, u32);
5865 PUT_SINFO(TX_RETRIES, tx_retries, u32);
5866 PUT_SINFO(TX_FAILED, tx_failed, u32);
5867 PUT_SINFO(EXPECTED_THROUGHPUT, expected_throughput, u32);
5868 PUT_SINFO(AIRTIME_LINK_METRIC, airtime_link_metric, u32);
5869 PUT_SINFO(BEACON_LOSS, beacon_loss_count, u32);
5870 PUT_SINFO(LOCAL_PM, local_pm, u32);
5871 PUT_SINFO(PEER_PM, peer_pm, u32);
5872 PUT_SINFO(NONPEER_PM, nonpeer_pm, u32);
5873 PUT_SINFO(CONNECTED_TO_GATE, connected_to_gate, u8);
5874 PUT_SINFO(CONNECTED_TO_AS, connected_to_as, u8);
5876 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_BSS_PARAM)) {
5877 bss_param = nla_nest_start_noflag(msg,
5878 NL80211_STA_INFO_BSS_PARAM);
5880 goto nla_put_failure;
5882 if (((sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) &&
5883 nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) ||
5884 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) &&
5885 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) ||
5886 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) &&
5887 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) ||
5888 nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD,
5889 sinfo->bss_param.dtim_period) ||
5890 nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL,
5891 sinfo->bss_param.beacon_interval))
5892 goto nla_put_failure;
5894 nla_nest_end(msg, bss_param);
5896 if ((sinfo->filled & BIT_ULL(NL80211_STA_INFO_STA_FLAGS)) &&
5897 nla_put(msg, NL80211_STA_INFO_STA_FLAGS,
5898 sizeof(struct nl80211_sta_flag_update),
5900 goto nla_put_failure;
5902 PUT_SINFO_U64(T_OFFSET, t_offset);
5903 PUT_SINFO_U64(RX_DROP_MISC, rx_dropped_misc);
5904 PUT_SINFO_U64(BEACON_RX, rx_beacon);
5905 PUT_SINFO(BEACON_SIGNAL_AVG, rx_beacon_signal_avg, u8);
5906 PUT_SINFO(RX_MPDUS, rx_mpdu_count, u32);
5907 PUT_SINFO(FCS_ERROR_COUNT, fcs_err_count, u32);
5908 if (wiphy_ext_feature_isset(&rdev->wiphy,
5909 NL80211_EXT_FEATURE_ACK_SIGNAL_SUPPORT)) {
5910 PUT_SINFO(ACK_SIGNAL, ack_signal, u8);
5911 PUT_SINFO(ACK_SIGNAL_AVG, avg_ack_signal, s8);
5915 #undef PUT_SINFO_U64
5917 if (sinfo->pertid) {
5918 struct nlattr *tidsattr;
5921 tidsattr = nla_nest_start_noflag(msg,
5922 NL80211_STA_INFO_TID_STATS);
5924 goto nla_put_failure;
5926 for (tid = 0; tid < IEEE80211_NUM_TIDS + 1; tid++) {
5927 struct cfg80211_tid_stats *tidstats;
5928 struct nlattr *tidattr;
5930 tidstats = &sinfo->pertid[tid];
5932 if (!tidstats->filled)
5935 tidattr = nla_nest_start_noflag(msg, tid + 1);
5937 goto nla_put_failure;
5939 #define PUT_TIDVAL_U64(attr, memb) do { \
5940 if (tidstats->filled & BIT(NL80211_TID_STATS_ ## attr) && \
5941 nla_put_u64_64bit(msg, NL80211_TID_STATS_ ## attr, \
5942 tidstats->memb, NL80211_TID_STATS_PAD)) \
5943 goto nla_put_failure; \
5946 PUT_TIDVAL_U64(RX_MSDU, rx_msdu);
5947 PUT_TIDVAL_U64(TX_MSDU, tx_msdu);
5948 PUT_TIDVAL_U64(TX_MSDU_RETRIES, tx_msdu_retries);
5949 PUT_TIDVAL_U64(TX_MSDU_FAILED, tx_msdu_failed);
5951 #undef PUT_TIDVAL_U64
5952 if ((tidstats->filled &
5953 BIT(NL80211_TID_STATS_TXQ_STATS)) &&
5954 !nl80211_put_txq_stats(msg, &tidstats->txq_stats,
5955 NL80211_TID_STATS_TXQ_STATS))
5956 goto nla_put_failure;
5958 nla_nest_end(msg, tidattr);
5961 nla_nest_end(msg, tidsattr);
5964 nla_nest_end(msg, sinfoattr);
5966 if (sinfo->assoc_req_ies_len &&
5967 nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len,
5968 sinfo->assoc_req_ies))
5969 goto nla_put_failure;
5971 cfg80211_sinfo_release_content(sinfo);
5972 genlmsg_end(msg, hdr);
5976 cfg80211_sinfo_release_content(sinfo);
5977 genlmsg_cancel(msg, hdr);
5981 static int nl80211_dump_station(struct sk_buff *skb,
5982 struct netlink_callback *cb)
5984 struct station_info sinfo;
5985 struct cfg80211_registered_device *rdev;
5986 struct wireless_dev *wdev;
5987 u8 mac_addr[ETH_ALEN];
5988 int sta_idx = cb->args[2];
5991 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
5994 /* nl80211_prepare_wdev_dump acquired it in the successful case */
5995 __acquire(&rdev->wiphy.mtx);
5997 if (!wdev->netdev) {
6002 if (!rdev->ops->dump_station) {
6008 memset(&sinfo, 0, sizeof(sinfo));
6009 err = rdev_dump_station(rdev, wdev->netdev, sta_idx,
6016 if (nl80211_send_station(skb, NL80211_CMD_NEW_STATION,
6017 NETLINK_CB(cb->skb).portid,
6018 cb->nlh->nlmsg_seq, NLM_F_MULTI,
6019 rdev, wdev->netdev, mac_addr,
6027 cb->args[2] = sta_idx;
6030 wiphy_unlock(&rdev->wiphy);
6035 static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info)
6037 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6038 struct net_device *dev = info->user_ptr[1];
6039 struct station_info sinfo;
6040 struct sk_buff *msg;
6041 u8 *mac_addr = NULL;
6044 memset(&sinfo, 0, sizeof(sinfo));
6046 if (!info->attrs[NL80211_ATTR_MAC])
6049 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
6051 if (!rdev->ops->get_station)
6054 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
6058 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6060 cfg80211_sinfo_release_content(&sinfo);
6064 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION,
6065 info->snd_portid, info->snd_seq, 0,
6066 rdev, dev, mac_addr, &sinfo) < 0) {
6071 return genlmsg_reply(msg, info);
6074 int cfg80211_check_station_change(struct wiphy *wiphy,
6075 struct station_parameters *params,
6076 enum cfg80211_station_type statype)
6078 if (params->listen_interval != -1 &&
6079 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
6082 if (params->support_p2p_ps != -1 &&
6083 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
6087 !(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) &&
6088 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
6091 /* When you run into this, adjust the code below for the new flag */
6092 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
6095 case CFG80211_STA_MESH_PEER_KERNEL:
6096 case CFG80211_STA_MESH_PEER_USER:
6098 * No ignoring the TDLS flag here -- the userspace mesh
6099 * code doesn't have the bug of including TDLS in the
6102 if (params->sta_flags_mask &
6103 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6104 BIT(NL80211_STA_FLAG_MFP) |
6105 BIT(NL80211_STA_FLAG_AUTHORIZED)))
6108 case CFG80211_STA_TDLS_PEER_SETUP:
6109 case CFG80211_STA_TDLS_PEER_ACTIVE:
6110 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
6112 /* ignore since it can't change */
6113 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
6116 /* disallow mesh-specific things */
6117 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION)
6119 if (params->local_pm)
6121 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
6125 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
6126 statype != CFG80211_STA_TDLS_PEER_ACTIVE) {
6127 /* TDLS can't be set, ... */
6128 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
6131 * ... but don't bother the driver with it. This works around
6132 * a hostapd/wpa_supplicant issue -- it always includes the
6133 * TLDS_PEER flag in the mask even for AP mode.
6135 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
6138 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
6139 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
6140 /* reject other things that can't change */
6141 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD)
6143 if (params->sta_modify_mask & STATION_PARAM_APPLY_CAPABILITY)
6145 if (params->supported_rates)
6147 if (params->ext_capab || params->ht_capa || params->vht_capa ||
6152 if (statype != CFG80211_STA_AP_CLIENT &&
6153 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
6159 case CFG80211_STA_AP_MLME_CLIENT:
6160 /* Use this only for authorizing/unauthorizing a station */
6161 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
6164 case CFG80211_STA_AP_CLIENT:
6165 case CFG80211_STA_AP_CLIENT_UNASSOC:
6166 /* accept only the listed bits */
6167 if (params->sta_flags_mask &
6168 ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
6169 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6170 BIT(NL80211_STA_FLAG_ASSOCIATED) |
6171 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
6172 BIT(NL80211_STA_FLAG_WME) |
6173 BIT(NL80211_STA_FLAG_MFP)))
6176 /* but authenticated/associated only if driver handles it */
6177 if (!(wiphy->features & NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
6178 params->sta_flags_mask &
6179 (BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6180 BIT(NL80211_STA_FLAG_ASSOCIATED)))
6183 case CFG80211_STA_IBSS:
6184 case CFG80211_STA_AP_STA:
6185 /* reject any changes other than AUTHORIZED */
6186 if (params->sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED))
6189 case CFG80211_STA_TDLS_PEER_SETUP:
6190 /* reject any changes other than AUTHORIZED or WME */
6191 if (params->sta_flags_mask & ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
6192 BIT(NL80211_STA_FLAG_WME)))
6194 /* force (at least) rates when authorizing */
6195 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED) &&
6196 !params->supported_rates)
6199 case CFG80211_STA_TDLS_PEER_ACTIVE:
6200 /* reject any changes */
6202 case CFG80211_STA_MESH_PEER_KERNEL:
6203 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
6206 case CFG80211_STA_MESH_PEER_USER:
6207 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION &&
6208 params->plink_action != NL80211_PLINK_ACTION_BLOCK)
6214 * Older kernel versions ignored this attribute entirely, so don't
6215 * reject attempts to update it but mark it as unused instead so the
6216 * driver won't look at the data.
6218 if (statype != CFG80211_STA_AP_CLIENT_UNASSOC &&
6219 statype != CFG80211_STA_TDLS_PEER_SETUP)
6220 params->opmode_notif_used = false;
6224 EXPORT_SYMBOL(cfg80211_check_station_change);
6227 * Get vlan interface making sure it is running and on the right wiphy.
6229 static struct net_device *get_vlan(struct genl_info *info,
6230 struct cfg80211_registered_device *rdev)
6232 struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN];
6233 struct net_device *v;
6239 v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr));
6241 return ERR_PTR(-ENODEV);
6243 if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) {
6248 if (v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
6249 v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
6250 v->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
6255 if (!netif_running(v)) {
6263 return ERR_PTR(ret);
6266 static const struct nla_policy
6267 nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] = {
6268 [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 },
6269 [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 },
6272 static int nl80211_parse_sta_wme(struct genl_info *info,
6273 struct station_parameters *params)
6275 struct nlattr *tb[NL80211_STA_WME_MAX + 1];
6279 /* parse WME attributes if present */
6280 if (!info->attrs[NL80211_ATTR_STA_WME])
6283 nla = info->attrs[NL80211_ATTR_STA_WME];
6284 err = nla_parse_nested_deprecated(tb, NL80211_STA_WME_MAX, nla,
6285 nl80211_sta_wme_policy,
6290 if (tb[NL80211_STA_WME_UAPSD_QUEUES])
6291 params->uapsd_queues = nla_get_u8(
6292 tb[NL80211_STA_WME_UAPSD_QUEUES]);
6293 if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
6296 if (tb[NL80211_STA_WME_MAX_SP])
6297 params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]);
6299 if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
6302 params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD;
6307 static int nl80211_parse_sta_channel_info(struct genl_info *info,
6308 struct station_parameters *params)
6310 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]) {
6311 params->supported_channels =
6312 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
6313 params->supported_channels_len =
6314 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
6316 * Need to include at least one (first channel, number of
6317 * channels) tuple for each subband (checked in policy),
6318 * and must have proper tuples for the rest of the data as well.
6320 if (params->supported_channels_len % 2)
6324 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]) {
6325 params->supported_oper_classes =
6326 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
6327 params->supported_oper_classes_len =
6328 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
6333 static int nl80211_set_station_tdls(struct genl_info *info,
6334 struct station_parameters *params)
6337 /* Dummy STA entry gets updated once the peer capabilities are known */
6338 if (info->attrs[NL80211_ATTR_PEER_AID])
6339 params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
6340 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
6342 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
6343 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
6345 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
6346 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
6348 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
6349 params->he_capa_len =
6350 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
6353 err = nl80211_parse_sta_channel_info(info, params);
6357 return nl80211_parse_sta_wme(info, params);
6360 static int nl80211_parse_sta_txpower_setting(struct genl_info *info,
6361 struct station_parameters *params)
6363 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6366 if (info->attrs[NL80211_ATTR_STA_TX_POWER_SETTING]) {
6367 if (!rdev->ops->set_tx_power ||
6368 !wiphy_ext_feature_isset(&rdev->wiphy,
6369 NL80211_EXT_FEATURE_STA_TX_PWR))
6372 idx = NL80211_ATTR_STA_TX_POWER_SETTING;
6373 params->txpwr.type = nla_get_u8(info->attrs[idx]);
6375 if (params->txpwr.type == NL80211_TX_POWER_LIMITED) {
6376 idx = NL80211_ATTR_STA_TX_POWER;
6378 if (info->attrs[idx])
6379 params->txpwr.power =
6380 nla_get_s16(info->attrs[idx]);
6384 params->sta_modify_mask |= STATION_PARAM_APPLY_STA_TXPOWER;
6390 static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
6392 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6393 struct net_device *dev = info->user_ptr[1];
6394 struct station_parameters params;
6398 memset(¶ms, 0, sizeof(params));
6400 if (!rdev->ops->change_station)
6404 * AID and listen_interval properties can be set only for unassociated
6405 * station. Include these parameters here and will check them in
6406 * cfg80211_check_station_change().
6408 if (info->attrs[NL80211_ATTR_STA_AID])
6409 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
6411 if (info->attrs[NL80211_ATTR_VLAN_ID])
6412 params.vlan_id = nla_get_u16(info->attrs[NL80211_ATTR_VLAN_ID]);
6414 if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
6415 params.listen_interval =
6416 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
6418 params.listen_interval = -1;
6420 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS])
6421 params.support_p2p_ps =
6422 nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
6424 params.support_p2p_ps = -1;
6426 if (!info->attrs[NL80211_ATTR_MAC])
6429 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
6431 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) {
6432 params.supported_rates =
6433 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
6434 params.supported_rates_len =
6435 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
6438 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
6440 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
6441 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
6444 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
6446 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
6447 params.ext_capab_len =
6448 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
6451 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
6454 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
6455 params.plink_action =
6456 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
6458 if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) {
6459 params.plink_state =
6460 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]);
6461 if (info->attrs[NL80211_ATTR_MESH_PEER_AID])
6462 params.peer_aid = nla_get_u16(
6463 info->attrs[NL80211_ATTR_MESH_PEER_AID]);
6464 params.sta_modify_mask |= STATION_PARAM_APPLY_PLINK_STATE;
6467 if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE])
6468 params.local_pm = nla_get_u32(
6469 info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]);
6471 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
6472 params.opmode_notif_used = true;
6473 params.opmode_notif =
6474 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
6477 if (info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY])
6478 params.he_6ghz_capa =
6479 nla_data(info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY]);
6481 if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
6482 params.airtime_weight =
6483 nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
6485 if (params.airtime_weight &&
6486 !wiphy_ext_feature_isset(&rdev->wiphy,
6487 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
6490 err = nl80211_parse_sta_txpower_setting(info, ¶ms);
6494 /* Include parameters for TDLS peer (will check later) */
6495 err = nl80211_set_station_tdls(info, ¶ms);
6499 params.vlan = get_vlan(info, rdev);
6500 if (IS_ERR(params.vlan))
6501 return PTR_ERR(params.vlan);
6503 switch (dev->ieee80211_ptr->iftype) {
6504 case NL80211_IFTYPE_AP:
6505 case NL80211_IFTYPE_AP_VLAN:
6506 case NL80211_IFTYPE_P2P_GO:
6507 case NL80211_IFTYPE_P2P_CLIENT:
6508 case NL80211_IFTYPE_STATION:
6509 case NL80211_IFTYPE_ADHOC:
6510 case NL80211_IFTYPE_MESH_POINT:
6517 /* driver will call cfg80211_check_station_change() */
6518 err = rdev_change_station(rdev, dev, mac_addr, ¶ms);
6522 dev_put(params.vlan);
6527 static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
6529 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6531 struct net_device *dev = info->user_ptr[1];
6532 struct station_parameters params;
6533 u8 *mac_addr = NULL;
6534 u32 auth_assoc = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6535 BIT(NL80211_STA_FLAG_ASSOCIATED);
6537 memset(¶ms, 0, sizeof(params));
6539 if (!rdev->ops->add_station)
6542 if (!info->attrs[NL80211_ATTR_MAC])
6545 if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
6548 if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES])
6551 if (!info->attrs[NL80211_ATTR_STA_AID] &&
6552 !info->attrs[NL80211_ATTR_PEER_AID])
6555 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
6556 params.supported_rates =
6557 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
6558 params.supported_rates_len =
6559 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
6560 params.listen_interval =
6561 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
6563 if (info->attrs[NL80211_ATTR_VLAN_ID])
6564 params.vlan_id = nla_get_u16(info->attrs[NL80211_ATTR_VLAN_ID]);
6566 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]) {
6567 params.support_p2p_ps =
6568 nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
6571 * if not specified, assume it's supported for P2P GO interface,
6572 * and is NOT supported for AP interface
6574 params.support_p2p_ps =
6575 dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO;
6578 if (info->attrs[NL80211_ATTR_PEER_AID])
6579 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
6581 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
6583 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
6585 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
6586 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
6589 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
6591 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
6592 params.ext_capab_len =
6593 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
6596 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
6598 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
6600 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
6602 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
6604 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
6606 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
6607 params.he_capa_len =
6608 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
6611 if (info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY])
6612 params.he_6ghz_capa =
6613 nla_data(info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY]);
6615 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
6616 params.opmode_notif_used = true;
6617 params.opmode_notif =
6618 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
6621 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
6622 params.plink_action =
6623 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
6625 if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
6626 params.airtime_weight =
6627 nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
6629 if (params.airtime_weight &&
6630 !wiphy_ext_feature_isset(&rdev->wiphy,
6631 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
6634 err = nl80211_parse_sta_txpower_setting(info, ¶ms);
6638 err = nl80211_parse_sta_channel_info(info, ¶ms);
6642 err = nl80211_parse_sta_wme(info, ¶ms);
6646 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
6649 /* HT/VHT requires QoS, but if we don't have that just ignore HT/VHT
6650 * as userspace might just pass through the capabilities from the IEs
6651 * directly, rather than enforcing this restriction and returning an
6652 * error in this case.
6654 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) {
6655 params.ht_capa = NULL;
6656 params.vht_capa = NULL;
6658 /* HE requires WME */
6659 if (params.he_capa_len || params.he_6ghz_capa)
6663 /* Ensure that HT/VHT capabilities are not set for 6 GHz HE STA */
6664 if (params.he_6ghz_capa && (params.ht_capa || params.vht_capa))
6667 /* When you run into this, adjust the code below for the new flag */
6668 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
6670 switch (dev->ieee80211_ptr->iftype) {
6671 case NL80211_IFTYPE_AP:
6672 case NL80211_IFTYPE_AP_VLAN:
6673 case NL80211_IFTYPE_P2P_GO:
6674 /* ignore WME attributes if iface/sta is not capable */
6675 if (!(rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) ||
6676 !(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME)))
6677 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
6679 /* TDLS peers cannot be added */
6680 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
6681 info->attrs[NL80211_ATTR_PEER_AID])
6683 /* but don't bother the driver with it */
6684 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
6686 /* allow authenticated/associated only if driver handles it */
6687 if (!(rdev->wiphy.features &
6688 NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
6689 params.sta_flags_mask & auth_assoc)
6692 /* Older userspace, or userspace wanting to be compatible with
6693 * !NL80211_FEATURE_FULL_AP_CLIENT_STATE, will not set the auth
6694 * and assoc flags in the mask, but assumes the station will be
6695 * added as associated anyway since this was the required driver
6696 * behaviour before NL80211_FEATURE_FULL_AP_CLIENT_STATE was
6698 * In order to not bother drivers with this quirk in the API
6699 * set the flags in both the mask and set for new stations in
6702 if (!(params.sta_flags_mask & auth_assoc)) {
6703 params.sta_flags_mask |= auth_assoc;
6704 params.sta_flags_set |= auth_assoc;
6707 /* must be last in here for error handling */
6708 params.vlan = get_vlan(info, rdev);
6709 if (IS_ERR(params.vlan))
6710 return PTR_ERR(params.vlan);
6712 case NL80211_IFTYPE_MESH_POINT:
6713 /* ignore uAPSD data */
6714 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
6716 /* associated is disallowed */
6717 if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED))
6719 /* TDLS peers cannot be added */
6720 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
6721 info->attrs[NL80211_ATTR_PEER_AID])
6724 case NL80211_IFTYPE_STATION:
6725 case NL80211_IFTYPE_P2P_CLIENT:
6726 /* ignore uAPSD data */
6727 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
6729 /* these are disallowed */
6730 if (params.sta_flags_mask &
6731 (BIT(NL80211_STA_FLAG_ASSOCIATED) |
6732 BIT(NL80211_STA_FLAG_AUTHENTICATED)))
6734 /* Only TDLS peers can be added */
6735 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
6737 /* Can only add if TDLS ... */
6738 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS))
6740 /* ... with external setup is supported */
6741 if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
6744 * Older wpa_supplicant versions always mark the TDLS peer
6745 * as authorized, but it shouldn't yet be.
6747 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_AUTHORIZED);
6753 /* be aware of params.vlan when changing code here */
6755 err = rdev_add_station(rdev, dev, mac_addr, ¶ms);
6758 dev_put(params.vlan);
6762 static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info)
6764 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6765 struct net_device *dev = info->user_ptr[1];
6766 struct station_del_parameters params;
6768 memset(¶ms, 0, sizeof(params));
6770 if (info->attrs[NL80211_ATTR_MAC])
6771 params.mac = nla_data(info->attrs[NL80211_ATTR_MAC]);
6773 switch (dev->ieee80211_ptr->iftype) {
6774 case NL80211_IFTYPE_AP:
6775 case NL80211_IFTYPE_AP_VLAN:
6776 case NL80211_IFTYPE_MESH_POINT:
6777 case NL80211_IFTYPE_P2P_GO:
6778 /* always accept these */
6780 case NL80211_IFTYPE_ADHOC:
6781 /* conditionally accept */
6782 if (wiphy_ext_feature_isset(&rdev->wiphy,
6783 NL80211_EXT_FEATURE_DEL_IBSS_STA))
6790 if (!rdev->ops->del_station)
6793 if (info->attrs[NL80211_ATTR_MGMT_SUBTYPE]) {
6795 nla_get_u8(info->attrs[NL80211_ATTR_MGMT_SUBTYPE]);
6796 if (params.subtype != IEEE80211_STYPE_DISASSOC >> 4 &&
6797 params.subtype != IEEE80211_STYPE_DEAUTH >> 4)
6800 /* Default to Deauthentication frame */
6801 params.subtype = IEEE80211_STYPE_DEAUTH >> 4;
6804 if (info->attrs[NL80211_ATTR_REASON_CODE]) {
6805 params.reason_code =
6806 nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
6807 if (params.reason_code == 0)
6808 return -EINVAL; /* 0 is reserved */
6810 /* Default to reason code 2 */
6811 params.reason_code = WLAN_REASON_PREV_AUTH_NOT_VALID;
6814 return rdev_del_station(rdev, dev, ¶ms);
6817 static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq,
6818 int flags, struct net_device *dev,
6819 u8 *dst, u8 *next_hop,
6820 struct mpath_info *pinfo)
6823 struct nlattr *pinfoattr;
6825 hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_MPATH);
6829 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
6830 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
6831 nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) ||
6832 nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation))
6833 goto nla_put_failure;
6835 pinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_MPATH_INFO);
6837 goto nla_put_failure;
6838 if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) &&
6839 nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN,
6841 goto nla_put_failure;
6842 if (((pinfo->filled & MPATH_INFO_SN) &&
6843 nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) ||
6844 ((pinfo->filled & MPATH_INFO_METRIC) &&
6845 nla_put_u32(msg, NL80211_MPATH_INFO_METRIC,
6847 ((pinfo->filled & MPATH_INFO_EXPTIME) &&
6848 nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME,
6850 ((pinfo->filled & MPATH_INFO_FLAGS) &&
6851 nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS,
6853 ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) &&
6854 nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT,
6855 pinfo->discovery_timeout)) ||
6856 ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) &&
6857 nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES,
6858 pinfo->discovery_retries)) ||
6859 ((pinfo->filled & MPATH_INFO_HOP_COUNT) &&
6860 nla_put_u8(msg, NL80211_MPATH_INFO_HOP_COUNT,
6861 pinfo->hop_count)) ||
6862 ((pinfo->filled & MPATH_INFO_PATH_CHANGE) &&
6863 nla_put_u32(msg, NL80211_MPATH_INFO_PATH_CHANGE,
6864 pinfo->path_change_count)))
6865 goto nla_put_failure;
6867 nla_nest_end(msg, pinfoattr);
6869 genlmsg_end(msg, hdr);
6873 genlmsg_cancel(msg, hdr);
6877 static int nl80211_dump_mpath(struct sk_buff *skb,
6878 struct netlink_callback *cb)
6880 struct mpath_info pinfo;
6881 struct cfg80211_registered_device *rdev;
6882 struct wireless_dev *wdev;
6884 u8 next_hop[ETH_ALEN];
6885 int path_idx = cb->args[2];
6888 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
6891 /* nl80211_prepare_wdev_dump acquired it in the successful case */
6892 __acquire(&rdev->wiphy.mtx);
6894 if (!rdev->ops->dump_mpath) {
6899 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
6905 err = rdev_dump_mpath(rdev, wdev->netdev, path_idx, dst,
6912 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
6913 cb->nlh->nlmsg_seq, NLM_F_MULTI,
6914 wdev->netdev, dst, next_hop,
6922 cb->args[2] = path_idx;
6925 wiphy_unlock(&rdev->wiphy);
6929 static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info)
6931 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6933 struct net_device *dev = info->user_ptr[1];
6934 struct mpath_info pinfo;
6935 struct sk_buff *msg;
6937 u8 next_hop[ETH_ALEN];
6939 memset(&pinfo, 0, sizeof(pinfo));
6941 if (!info->attrs[NL80211_ATTR_MAC])
6944 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6946 if (!rdev->ops->get_mpath)
6949 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6952 err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo);
6956 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6960 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
6961 dev, dst, next_hop, &pinfo) < 0) {
6966 return genlmsg_reply(msg, info);
6969 static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info)
6971 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6972 struct net_device *dev = info->user_ptr[1];
6974 u8 *next_hop = NULL;
6976 if (!info->attrs[NL80211_ATTR_MAC])
6979 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
6982 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6983 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
6985 if (!rdev->ops->change_mpath)
6988 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6991 return rdev_change_mpath(rdev, dev, dst, next_hop);
6994 static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info)
6996 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6997 struct net_device *dev = info->user_ptr[1];
6999 u8 *next_hop = NULL;
7001 if (!info->attrs[NL80211_ATTR_MAC])
7004 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
7007 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
7008 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
7010 if (!rdev->ops->add_mpath)
7013 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
7016 return rdev_add_mpath(rdev, dev, dst, next_hop);
7019 static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info)
7021 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7022 struct net_device *dev = info->user_ptr[1];
7025 if (info->attrs[NL80211_ATTR_MAC])
7026 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
7028 if (!rdev->ops->del_mpath)
7031 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
7034 return rdev_del_mpath(rdev, dev, dst);
7037 static int nl80211_get_mpp(struct sk_buff *skb, struct genl_info *info)
7039 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7041 struct net_device *dev = info->user_ptr[1];
7042 struct mpath_info pinfo;
7043 struct sk_buff *msg;
7047 memset(&pinfo, 0, sizeof(pinfo));
7049 if (!info->attrs[NL80211_ATTR_MAC])
7052 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
7054 if (!rdev->ops->get_mpp)
7057 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
7060 err = rdev_get_mpp(rdev, dev, dst, mpp, &pinfo);
7064 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7068 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
7069 dev, dst, mpp, &pinfo) < 0) {
7074 return genlmsg_reply(msg, info);
7077 static int nl80211_dump_mpp(struct sk_buff *skb,
7078 struct netlink_callback *cb)
7080 struct mpath_info pinfo;
7081 struct cfg80211_registered_device *rdev;
7082 struct wireless_dev *wdev;
7085 int path_idx = cb->args[2];
7088 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
7091 /* nl80211_prepare_wdev_dump acquired it in the successful case */
7092 __acquire(&rdev->wiphy.mtx);
7094 if (!rdev->ops->dump_mpp) {
7099 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
7105 err = rdev_dump_mpp(rdev, wdev->netdev, path_idx, dst,
7112 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
7113 cb->nlh->nlmsg_seq, NLM_F_MULTI,
7114 wdev->netdev, dst, mpp,
7122 cb->args[2] = path_idx;
7125 wiphy_unlock(&rdev->wiphy);
7129 static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
7131 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7132 struct net_device *dev = info->user_ptr[1];
7133 struct wireless_dev *wdev = dev->ieee80211_ptr;
7134 struct bss_parameters params;
7137 memset(¶ms, 0, sizeof(params));
7138 /* default to not changing parameters */
7139 params.use_cts_prot = -1;
7140 params.use_short_preamble = -1;
7141 params.use_short_slot_time = -1;
7142 params.ap_isolate = -1;
7143 params.ht_opmode = -1;
7144 params.p2p_ctwindow = -1;
7145 params.p2p_opp_ps = -1;
7147 if (info->attrs[NL80211_ATTR_BSS_CTS_PROT])
7148 params.use_cts_prot =
7149 nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]);
7150 if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE])
7151 params.use_short_preamble =
7152 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]);
7153 if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME])
7154 params.use_short_slot_time =
7155 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]);
7156 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
7157 params.basic_rates =
7158 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
7159 params.basic_rates_len =
7160 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
7162 if (info->attrs[NL80211_ATTR_AP_ISOLATE])
7163 params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]);
7164 if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE])
7166 nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]);
7168 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
7169 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
7171 params.p2p_ctwindow =
7172 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
7173 if (params.p2p_ctwindow != 0 &&
7174 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
7178 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
7181 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
7183 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
7184 params.p2p_opp_ps = tmp;
7185 if (params.p2p_opp_ps &&
7186 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
7190 if (!rdev->ops->change_bss)
7193 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
7194 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
7198 err = rdev_change_bss(rdev, dev, ¶ms);
7204 static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
7208 enum nl80211_user_reg_hint_type user_reg_hint_type;
7212 * You should only get this when cfg80211 hasn't yet initialized
7213 * completely when built-in to the kernel right between the time
7214 * window between nl80211_init() and regulatory_init(), if that is
7217 if (unlikely(!rcu_access_pointer(cfg80211_regdomain)))
7218 return -EINPROGRESS;
7220 if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE])
7221 user_reg_hint_type =
7222 nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]);
7224 user_reg_hint_type = NL80211_USER_REG_HINT_USER;
7226 switch (user_reg_hint_type) {
7227 case NL80211_USER_REG_HINT_USER:
7228 case NL80211_USER_REG_HINT_CELL_BASE:
7229 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
7232 data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
7233 return regulatory_hint_user(data, user_reg_hint_type);
7234 case NL80211_USER_REG_HINT_INDOOR:
7235 if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
7236 owner_nlportid = info->snd_portid;
7237 is_indoor = !!info->attrs[NL80211_ATTR_REG_INDOOR];
7243 return regulatory_hint_indoor(is_indoor, owner_nlportid);
7249 static int nl80211_reload_regdb(struct sk_buff *skb, struct genl_info *info)
7251 return reg_reload_regdb();
7254 static int nl80211_get_mesh_config(struct sk_buff *skb,
7255 struct genl_info *info)
7257 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7258 struct net_device *dev = info->user_ptr[1];
7259 struct wireless_dev *wdev = dev->ieee80211_ptr;
7260 struct mesh_config cur_params;
7263 struct nlattr *pinfoattr;
7264 struct sk_buff *msg;
7266 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
7269 if (!rdev->ops->get_mesh_config)
7273 /* If not connected, get default parameters */
7274 if (!wdev->mesh_id_len)
7275 memcpy(&cur_params, &default_mesh_config, sizeof(cur_params));
7277 err = rdev_get_mesh_config(rdev, dev, &cur_params);
7283 /* Draw up a netlink message to send back */
7284 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7287 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
7288 NL80211_CMD_GET_MESH_CONFIG);
7291 pinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_MESH_CONFIG);
7293 goto nla_put_failure;
7294 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
7295 nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT,
7296 cur_params.dot11MeshRetryTimeout) ||
7297 nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT,
7298 cur_params.dot11MeshConfirmTimeout) ||
7299 nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT,
7300 cur_params.dot11MeshHoldingTimeout) ||
7301 nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
7302 cur_params.dot11MeshMaxPeerLinks) ||
7303 nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES,
7304 cur_params.dot11MeshMaxRetries) ||
7305 nla_put_u8(msg, NL80211_MESHCONF_TTL,
7306 cur_params.dot11MeshTTL) ||
7307 nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL,
7308 cur_params.element_ttl) ||
7309 nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
7310 cur_params.auto_open_plinks) ||
7311 nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
7312 cur_params.dot11MeshNbrOffsetMaxNeighbor) ||
7313 nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
7314 cur_params.dot11MeshHWMPmaxPREQretries) ||
7315 nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME,
7316 cur_params.path_refresh_time) ||
7317 nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
7318 cur_params.min_discovery_timeout) ||
7319 nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
7320 cur_params.dot11MeshHWMPactivePathTimeout) ||
7321 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
7322 cur_params.dot11MeshHWMPpreqMinInterval) ||
7323 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
7324 cur_params.dot11MeshHWMPperrMinInterval) ||
7325 nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
7326 cur_params.dot11MeshHWMPnetDiameterTraversalTime) ||
7327 nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE,
7328 cur_params.dot11MeshHWMPRootMode) ||
7329 nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL,
7330 cur_params.dot11MeshHWMPRannInterval) ||
7331 nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
7332 cur_params.dot11MeshGateAnnouncementProtocol) ||
7333 nla_put_u8(msg, NL80211_MESHCONF_FORWARDING,
7334 cur_params.dot11MeshForwarding) ||
7335 nla_put_s32(msg, NL80211_MESHCONF_RSSI_THRESHOLD,
7336 cur_params.rssi_threshold) ||
7337 nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE,
7338 cur_params.ht_opmode) ||
7339 nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
7340 cur_params.dot11MeshHWMPactivePathToRootTimeout) ||
7341 nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
7342 cur_params.dot11MeshHWMProotInterval) ||
7343 nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
7344 cur_params.dot11MeshHWMPconfirmationInterval) ||
7345 nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE,
7346 cur_params.power_mode) ||
7347 nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW,
7348 cur_params.dot11MeshAwakeWindowDuration) ||
7349 nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT,
7350 cur_params.plink_timeout) ||
7351 nla_put_u8(msg, NL80211_MESHCONF_CONNECTED_TO_GATE,
7352 cur_params.dot11MeshConnectedToMeshGate) ||
7353 nla_put_u8(msg, NL80211_MESHCONF_NOLEARN,
7354 cur_params.dot11MeshNolearn) ||
7355 nla_put_u8(msg, NL80211_MESHCONF_CONNECTED_TO_AS,
7356 cur_params.dot11MeshConnectedToAuthServer))
7357 goto nla_put_failure;
7358 nla_nest_end(msg, pinfoattr);
7359 genlmsg_end(msg, hdr);
7360 return genlmsg_reply(msg, info);
7368 static const struct nla_policy
7369 nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = {
7370 [NL80211_MESHCONF_RETRY_TIMEOUT] =
7371 NLA_POLICY_RANGE(NLA_U16, 1, 255),
7372 [NL80211_MESHCONF_CONFIRM_TIMEOUT] =
7373 NLA_POLICY_RANGE(NLA_U16, 1, 255),
7374 [NL80211_MESHCONF_HOLDING_TIMEOUT] =
7375 NLA_POLICY_RANGE(NLA_U16, 1, 255),
7376 [NL80211_MESHCONF_MAX_PEER_LINKS] =
7377 NLA_POLICY_RANGE(NLA_U16, 0, 255),
7378 [NL80211_MESHCONF_MAX_RETRIES] = NLA_POLICY_MAX(NLA_U8, 16),
7379 [NL80211_MESHCONF_TTL] = NLA_POLICY_MIN(NLA_U8, 1),
7380 [NL80211_MESHCONF_ELEMENT_TTL] = NLA_POLICY_MIN(NLA_U8, 1),
7381 [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = NLA_POLICY_MAX(NLA_U8, 1),
7382 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] =
7383 NLA_POLICY_RANGE(NLA_U32, 1, 255),
7384 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 },
7385 [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 },
7386 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = NLA_POLICY_MIN(NLA_U16, 1),
7387 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 },
7388 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] =
7389 NLA_POLICY_MIN(NLA_U16, 1),
7390 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] =
7391 NLA_POLICY_MIN(NLA_U16, 1),
7392 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] =
7393 NLA_POLICY_MIN(NLA_U16, 1),
7394 [NL80211_MESHCONF_HWMP_ROOTMODE] = NLA_POLICY_MAX(NLA_U8, 4),
7395 [NL80211_MESHCONF_HWMP_RANN_INTERVAL] =
7396 NLA_POLICY_MIN(NLA_U16, 1),
7397 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = NLA_POLICY_MAX(NLA_U8, 1),
7398 [NL80211_MESHCONF_FORWARDING] = NLA_POLICY_MAX(NLA_U8, 1),
7399 [NL80211_MESHCONF_RSSI_THRESHOLD] =
7400 NLA_POLICY_RANGE(NLA_S32, -255, 0),
7401 [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 },
7402 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 },
7403 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] =
7404 NLA_POLICY_MIN(NLA_U16, 1),
7405 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] =
7406 NLA_POLICY_MIN(NLA_U16, 1),
7407 [NL80211_MESHCONF_POWER_MODE] =
7408 NLA_POLICY_RANGE(NLA_U32,
7409 NL80211_MESH_POWER_ACTIVE,
7410 NL80211_MESH_POWER_MAX),
7411 [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 },
7412 [NL80211_MESHCONF_PLINK_TIMEOUT] = { .type = NLA_U32 },
7413 [NL80211_MESHCONF_CONNECTED_TO_GATE] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
7414 [NL80211_MESHCONF_NOLEARN] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
7415 [NL80211_MESHCONF_CONNECTED_TO_AS] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
7418 static const struct nla_policy
7419 nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = {
7420 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 },
7421 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 },
7422 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 },
7423 [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG },
7424 [NL80211_MESH_SETUP_AUTH_PROTOCOL] = { .type = NLA_U8 },
7425 [NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG },
7426 [NL80211_MESH_SETUP_IE] =
7427 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
7428 IEEE80211_MAX_DATA_LEN),
7429 [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG },
7432 static int nl80211_parse_mesh_config(struct genl_info *info,
7433 struct mesh_config *cfg,
7436 struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1];
7440 #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, mask, attr, fn) \
7443 cfg->param = fn(tb[attr]); \
7444 mask |= BIT((attr) - 1); \
7448 if (!info->attrs[NL80211_ATTR_MESH_CONFIG])
7450 if (nla_parse_nested_deprecated(tb, NL80211_MESHCONF_ATTR_MAX, info->attrs[NL80211_ATTR_MESH_CONFIG], nl80211_meshconf_params_policy, info->extack))
7453 /* This makes sure that there aren't more than 32 mesh config
7454 * parameters (otherwise our bitfield scheme would not work.) */
7455 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32);
7457 /* Fill in the params struct */
7458 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, mask,
7459 NL80211_MESHCONF_RETRY_TIMEOUT, nla_get_u16);
7460 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, mask,
7461 NL80211_MESHCONF_CONFIRM_TIMEOUT,
7463 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, mask,
7464 NL80211_MESHCONF_HOLDING_TIMEOUT,
7466 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, mask,
7467 NL80211_MESHCONF_MAX_PEER_LINKS,
7469 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, mask,
7470 NL80211_MESHCONF_MAX_RETRIES, nla_get_u8);
7471 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, mask,
7472 NL80211_MESHCONF_TTL, nla_get_u8);
7473 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, mask,
7474 NL80211_MESHCONF_ELEMENT_TTL, nla_get_u8);
7475 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, mask,
7476 NL80211_MESHCONF_AUTO_OPEN_PLINKS,
7478 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor,
7480 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
7482 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, mask,
7483 NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
7485 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, mask,
7486 NL80211_MESHCONF_PATH_REFRESH_TIME,
7488 if (mask & BIT(NL80211_MESHCONF_PATH_REFRESH_TIME) &&
7489 (cfg->path_refresh_time < 1 || cfg->path_refresh_time > 65535))
7491 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, mask,
7492 NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
7494 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout,
7496 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
7498 if (mask & BIT(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT) &&
7499 (cfg->dot11MeshHWMPactivePathTimeout < 1 ||
7500 cfg->dot11MeshHWMPactivePathTimeout > 65535))
7502 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, mask,
7503 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
7505 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval, mask,
7506 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
7508 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
7509 dot11MeshHWMPnetDiameterTraversalTime, mask,
7510 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
7512 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, mask,
7513 NL80211_MESHCONF_HWMP_ROOTMODE, nla_get_u8);
7514 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, mask,
7515 NL80211_MESHCONF_HWMP_RANN_INTERVAL,
7517 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshGateAnnouncementProtocol,
7518 mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
7520 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, mask,
7521 NL80211_MESHCONF_FORWARDING, nla_get_u8);
7522 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, mask,
7523 NL80211_MESHCONF_RSSI_THRESHOLD,
7525 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConnectedToMeshGate, mask,
7526 NL80211_MESHCONF_CONNECTED_TO_GATE,
7528 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConnectedToAuthServer, mask,
7529 NL80211_MESHCONF_CONNECTED_TO_AS,
7532 * Check HT operation mode based on
7533 * IEEE 802.11-2016 9.4.2.57 HT Operation element.
7535 if (tb[NL80211_MESHCONF_HT_OPMODE]) {
7536 ht_opmode = nla_get_u16(tb[NL80211_MESHCONF_HT_OPMODE]);
7538 if (ht_opmode & ~(IEEE80211_HT_OP_MODE_PROTECTION |
7539 IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT |
7540 IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT))
7543 /* NON_HT_STA bit is reserved, but some programs set it */
7544 ht_opmode &= ~IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT;
7546 cfg->ht_opmode = ht_opmode;
7547 mask |= (1 << (NL80211_MESHCONF_HT_OPMODE - 1));
7549 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
7550 dot11MeshHWMPactivePathToRootTimeout, mask,
7551 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
7553 if (mask & BIT(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT) &&
7554 (cfg->dot11MeshHWMPactivePathToRootTimeout < 1 ||
7555 cfg->dot11MeshHWMPactivePathToRootTimeout > 65535))
7557 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, mask,
7558 NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
7560 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPconfirmationInterval,
7562 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
7564 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode, mask,
7565 NL80211_MESHCONF_POWER_MODE, nla_get_u32);
7566 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration, mask,
7567 NL80211_MESHCONF_AWAKE_WINDOW, nla_get_u16);
7568 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, plink_timeout, mask,
7569 NL80211_MESHCONF_PLINK_TIMEOUT, nla_get_u32);
7570 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNolearn, mask,
7571 NL80211_MESHCONF_NOLEARN, nla_get_u8);
7577 #undef FILL_IN_MESH_PARAM_IF_SET
7580 static int nl80211_parse_mesh_setup(struct genl_info *info,
7581 struct mesh_setup *setup)
7583 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7584 struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1];
7586 if (!info->attrs[NL80211_ATTR_MESH_SETUP])
7588 if (nla_parse_nested_deprecated(tb, NL80211_MESH_SETUP_ATTR_MAX, info->attrs[NL80211_ATTR_MESH_SETUP], nl80211_mesh_setup_params_policy, info->extack))
7591 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])
7592 setup->sync_method =
7593 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ?
7594 IEEE80211_SYNC_METHOD_VENDOR :
7595 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET;
7597 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])
7598 setup->path_sel_proto =
7599 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ?
7600 IEEE80211_PATH_PROTOCOL_VENDOR :
7601 IEEE80211_PATH_PROTOCOL_HWMP;
7603 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])
7604 setup->path_metric =
7605 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ?
7606 IEEE80211_PATH_METRIC_VENDOR :
7607 IEEE80211_PATH_METRIC_AIRTIME;
7609 if (tb[NL80211_MESH_SETUP_IE]) {
7610 struct nlattr *ieattr =
7611 tb[NL80211_MESH_SETUP_IE];
7612 setup->ie = nla_data(ieattr);
7613 setup->ie_len = nla_len(ieattr);
7615 if (tb[NL80211_MESH_SETUP_USERSPACE_MPM] &&
7616 !(rdev->wiphy.features & NL80211_FEATURE_USERSPACE_MPM))
7618 setup->user_mpm = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_MPM]);
7619 setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]);
7620 setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]);
7621 if (setup->is_secure)
7622 setup->user_mpm = true;
7624 if (tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]) {
7625 if (!setup->user_mpm)
7628 nla_get_u8(tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]);
7634 static int nl80211_update_mesh_config(struct sk_buff *skb,
7635 struct genl_info *info)
7637 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7638 struct net_device *dev = info->user_ptr[1];
7639 struct wireless_dev *wdev = dev->ieee80211_ptr;
7640 struct mesh_config cfg;
7644 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
7647 if (!rdev->ops->update_mesh_config)
7650 err = nl80211_parse_mesh_config(info, &cfg, &mask);
7655 if (!wdev->mesh_id_len)
7659 err = rdev_update_mesh_config(rdev, dev, mask, &cfg);
7666 static int nl80211_put_regdom(const struct ieee80211_regdomain *regdom,
7667 struct sk_buff *msg)
7669 struct nlattr *nl_reg_rules;
7672 if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, regdom->alpha2) ||
7673 (regdom->dfs_region &&
7674 nla_put_u8(msg, NL80211_ATTR_DFS_REGION, regdom->dfs_region)))
7675 goto nla_put_failure;
7677 nl_reg_rules = nla_nest_start_noflag(msg, NL80211_ATTR_REG_RULES);
7679 goto nla_put_failure;
7681 for (i = 0; i < regdom->n_reg_rules; i++) {
7682 struct nlattr *nl_reg_rule;
7683 const struct ieee80211_reg_rule *reg_rule;
7684 const struct ieee80211_freq_range *freq_range;
7685 const struct ieee80211_power_rule *power_rule;
7686 unsigned int max_bandwidth_khz;
7688 reg_rule = ®dom->reg_rules[i];
7689 freq_range = ®_rule->freq_range;
7690 power_rule = ®_rule->power_rule;
7692 nl_reg_rule = nla_nest_start_noflag(msg, i);
7694 goto nla_put_failure;
7696 max_bandwidth_khz = freq_range->max_bandwidth_khz;
7697 if (!max_bandwidth_khz)
7698 max_bandwidth_khz = reg_get_max_bandwidth(regdom,
7701 if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS,
7703 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START,
7704 freq_range->start_freq_khz) ||
7705 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END,
7706 freq_range->end_freq_khz) ||
7707 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW,
7708 max_bandwidth_khz) ||
7709 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN,
7710 power_rule->max_antenna_gain) ||
7711 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP,
7712 power_rule->max_eirp) ||
7713 nla_put_u32(msg, NL80211_ATTR_DFS_CAC_TIME,
7714 reg_rule->dfs_cac_ms))
7715 goto nla_put_failure;
7717 nla_nest_end(msg, nl_reg_rule);
7720 nla_nest_end(msg, nl_reg_rules);
7727 static int nl80211_get_reg_do(struct sk_buff *skb, struct genl_info *info)
7729 const struct ieee80211_regdomain *regdom = NULL;
7730 struct cfg80211_registered_device *rdev;
7731 struct wiphy *wiphy = NULL;
7732 struct sk_buff *msg;
7735 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7739 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
7740 NL80211_CMD_GET_REG);
7746 if (info->attrs[NL80211_ATTR_WIPHY]) {
7749 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
7753 return PTR_ERR(rdev);
7756 wiphy = &rdev->wiphy;
7757 self_managed = wiphy->regulatory_flags &
7758 REGULATORY_WIPHY_SELF_MANAGED;
7759 regdom = get_wiphy_regdom(wiphy);
7761 /* a self-managed-reg device must have a private regdom */
7762 if (WARN_ON(!regdom && self_managed)) {
7769 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
7770 goto nla_put_failure;
7773 if (!wiphy && reg_last_request_cell_base() &&
7774 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
7775 NL80211_USER_REG_HINT_CELL_BASE))
7776 goto nla_put_failure;
7781 regdom = rcu_dereference(cfg80211_regdomain);
7783 if (nl80211_put_regdom(regdom, msg))
7784 goto nla_put_failure_rcu;
7788 genlmsg_end(msg, hdr);
7790 return genlmsg_reply(msg, info);
7792 nla_put_failure_rcu:
7801 static int nl80211_send_regdom(struct sk_buff *msg, struct netlink_callback *cb,
7802 u32 seq, int flags, struct wiphy *wiphy,
7803 const struct ieee80211_regdomain *regdom)
7805 void *hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
7806 NL80211_CMD_GET_REG);
7811 genl_dump_check_consistent(cb, hdr);
7813 if (nl80211_put_regdom(regdom, msg))
7814 goto nla_put_failure;
7816 if (!wiphy && reg_last_request_cell_base() &&
7817 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
7818 NL80211_USER_REG_HINT_CELL_BASE))
7819 goto nla_put_failure;
7822 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
7823 goto nla_put_failure;
7825 if (wiphy && wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
7826 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
7827 goto nla_put_failure;
7829 genlmsg_end(msg, hdr);
7833 genlmsg_cancel(msg, hdr);
7837 static int nl80211_get_reg_dump(struct sk_buff *skb,
7838 struct netlink_callback *cb)
7840 const struct ieee80211_regdomain *regdom = NULL;
7841 struct cfg80211_registered_device *rdev;
7842 int err, reg_idx, start = cb->args[2];
7846 if (cfg80211_regdomain && start == 0) {
7847 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
7849 rtnl_dereference(cfg80211_regdomain));
7854 /* the global regdom is idx 0 */
7856 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
7857 regdom = get_wiphy_regdom(&rdev->wiphy);
7861 if (++reg_idx <= start)
7864 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
7865 NLM_F_MULTI, &rdev->wiphy, regdom);
7872 cb->args[2] = reg_idx;
7879 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
7880 static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = {
7881 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
7882 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
7883 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
7884 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
7885 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
7886 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
7887 [NL80211_ATTR_DFS_CAC_TIME] = { .type = NLA_U32 },
7890 static int parse_reg_rule(struct nlattr *tb[],
7891 struct ieee80211_reg_rule *reg_rule)
7893 struct ieee80211_freq_range *freq_range = ®_rule->freq_range;
7894 struct ieee80211_power_rule *power_rule = ®_rule->power_rule;
7896 if (!tb[NL80211_ATTR_REG_RULE_FLAGS])
7898 if (!tb[NL80211_ATTR_FREQ_RANGE_START])
7900 if (!tb[NL80211_ATTR_FREQ_RANGE_END])
7902 if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW])
7904 if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP])
7907 reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]);
7909 freq_range->start_freq_khz =
7910 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]);
7911 freq_range->end_freq_khz =
7912 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]);
7913 freq_range->max_bandwidth_khz =
7914 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]);
7916 power_rule->max_eirp =
7917 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]);
7919 if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN])
7920 power_rule->max_antenna_gain =
7921 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]);
7923 if (tb[NL80211_ATTR_DFS_CAC_TIME])
7924 reg_rule->dfs_cac_ms =
7925 nla_get_u32(tb[NL80211_ATTR_DFS_CAC_TIME]);
7930 static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info)
7932 struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1];
7933 struct nlattr *nl_reg_rule;
7935 int rem_reg_rules, r;
7936 u32 num_rules = 0, rule_idx = 0;
7937 enum nl80211_dfs_regions dfs_region = NL80211_DFS_UNSET;
7938 struct ieee80211_regdomain *rd;
7940 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
7943 if (!info->attrs[NL80211_ATTR_REG_RULES])
7946 alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
7948 if (info->attrs[NL80211_ATTR_DFS_REGION])
7949 dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]);
7951 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
7954 if (num_rules > NL80211_MAX_SUPP_REG_RULES)
7959 if (!reg_is_valid_request(alpha2)) {
7964 rd = kzalloc(struct_size(rd, reg_rules, num_rules), GFP_KERNEL);
7970 rd->n_reg_rules = num_rules;
7971 rd->alpha2[0] = alpha2[0];
7972 rd->alpha2[1] = alpha2[1];
7975 * Disable DFS master mode if the DFS region was
7976 * not supported or known on this kernel.
7978 if (reg_supported_dfs_region(dfs_region))
7979 rd->dfs_region = dfs_region;
7981 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
7983 r = nla_parse_nested_deprecated(tb, NL80211_REG_RULE_ATTR_MAX,
7984 nl_reg_rule, reg_rule_policy,
7988 r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]);
7994 if (rule_idx > NL80211_MAX_SUPP_REG_RULES) {
8000 r = set_regdom(rd, REGD_SOURCE_CRDA);
8001 /* set_regdom takes ownership of rd */
8009 #endif /* CONFIG_CFG80211_CRDA_SUPPORT */
8011 static int validate_scan_freqs(struct nlattr *freqs)
8013 struct nlattr *attr1, *attr2;
8014 int n_channels = 0, tmp1, tmp2;
8016 nla_for_each_nested(attr1, freqs, tmp1)
8017 if (nla_len(attr1) != sizeof(u32))
8020 nla_for_each_nested(attr1, freqs, tmp1) {
8023 * Some hardware has a limited channel list for
8024 * scanning, and it is pretty much nonsensical
8025 * to scan for a channel twice, so disallow that
8026 * and don't require drivers to check that the
8027 * channel list they get isn't longer than what
8028 * they can scan, as long as they can scan all
8029 * the channels they registered at once.
8031 nla_for_each_nested(attr2, freqs, tmp2)
8032 if (attr1 != attr2 &&
8033 nla_get_u32(attr1) == nla_get_u32(attr2))
8040 static bool is_band_valid(struct wiphy *wiphy, enum nl80211_band b)
8042 return b < NUM_NL80211_BANDS && wiphy->bands[b];
8045 static int parse_bss_select(struct nlattr *nla, struct wiphy *wiphy,
8046 struct cfg80211_bss_selection *bss_select)
8048 struct nlattr *attr[NL80211_BSS_SELECT_ATTR_MAX + 1];
8049 struct nlattr *nest;
8054 /* only process one nested attribute */
8055 nest = nla_data(nla);
8056 if (!nla_ok(nest, nla_len(nest)))
8059 err = nla_parse_nested_deprecated(attr, NL80211_BSS_SELECT_ATTR_MAX,
8060 nest, nl80211_bss_select_policy,
8065 /* only one attribute may be given */
8066 for (i = 0; i <= NL80211_BSS_SELECT_ATTR_MAX; i++) {
8074 bss_select->behaviour = __NL80211_BSS_SELECT_ATTR_INVALID;
8076 if (attr[NL80211_BSS_SELECT_ATTR_RSSI])
8077 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI;
8079 if (attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]) {
8080 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_BAND_PREF;
8081 bss_select->param.band_pref =
8082 nla_get_u32(attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]);
8083 if (!is_band_valid(wiphy, bss_select->param.band_pref))
8087 if (attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]) {
8088 struct nl80211_bss_select_rssi_adjust *adj_param;
8090 adj_param = nla_data(attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]);
8091 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI_ADJUST;
8092 bss_select->param.adjust.band = adj_param->band;
8093 bss_select->param.adjust.delta = adj_param->delta;
8094 if (!is_band_valid(wiphy, bss_select->param.adjust.band))
8098 /* user-space did not provide behaviour attribute */
8099 if (bss_select->behaviour == __NL80211_BSS_SELECT_ATTR_INVALID)
8102 if (!(wiphy->bss_select_support & BIT(bss_select->behaviour)))
8108 int nl80211_parse_random_mac(struct nlattr **attrs,
8109 u8 *mac_addr, u8 *mac_addr_mask)
8113 if (!attrs[NL80211_ATTR_MAC] && !attrs[NL80211_ATTR_MAC_MASK]) {
8114 eth_zero_addr(mac_addr);
8115 eth_zero_addr(mac_addr_mask);
8117 mac_addr_mask[0] = 0x3;
8122 /* need both or none */
8123 if (!attrs[NL80211_ATTR_MAC] || !attrs[NL80211_ATTR_MAC_MASK])
8126 memcpy(mac_addr, nla_data(attrs[NL80211_ATTR_MAC]), ETH_ALEN);
8127 memcpy(mac_addr_mask, nla_data(attrs[NL80211_ATTR_MAC_MASK]), ETH_ALEN);
8129 /* don't allow or configure an mcast address */
8130 if (!is_multicast_ether_addr(mac_addr_mask) ||
8131 is_multicast_ether_addr(mac_addr))
8135 * allow users to pass a MAC address that has bits set outside
8136 * of the mask, but don't bother drivers with having to deal
8139 for (i = 0; i < ETH_ALEN; i++)
8140 mac_addr[i] &= mac_addr_mask[i];
8145 static bool cfg80211_off_channel_oper_allowed(struct wireless_dev *wdev)
8147 ASSERT_WDEV_LOCK(wdev);
8149 if (!cfg80211_beaconing_iface_active(wdev))
8152 if (!(wdev->chandef.chan->flags & IEEE80211_CHAN_RADAR))
8155 return regulatory_pre_cac_allowed(wdev->wiphy);
8158 static bool nl80211_check_scan_feat(struct wiphy *wiphy, u32 flags, u32 flag,
8159 enum nl80211_ext_feature_index feat)
8161 if (!(flags & flag))
8163 if (wiphy_ext_feature_isset(wiphy, feat))
8169 nl80211_check_scan_flags(struct wiphy *wiphy, struct wireless_dev *wdev,
8170 void *request, struct nlattr **attrs,
8173 u8 *mac_addr, *mac_addr_mask;
8175 enum nl80211_feature_flags randomness_flag;
8177 if (!attrs[NL80211_ATTR_SCAN_FLAGS])
8180 if (is_sched_scan) {
8181 struct cfg80211_sched_scan_request *req = request;
8183 randomness_flag = wdev ?
8184 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR :
8185 NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
8186 flags = &req->flags;
8187 mac_addr = req->mac_addr;
8188 mac_addr_mask = req->mac_addr_mask;
8190 struct cfg80211_scan_request *req = request;
8192 randomness_flag = NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;
8193 flags = &req->flags;
8194 mac_addr = req->mac_addr;
8195 mac_addr_mask = req->mac_addr_mask;
8198 *flags = nla_get_u32(attrs[NL80211_ATTR_SCAN_FLAGS]);
8200 if (((*flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
8201 !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) ||
8202 !nl80211_check_scan_feat(wiphy, *flags,
8203 NL80211_SCAN_FLAG_LOW_SPAN,
8204 NL80211_EXT_FEATURE_LOW_SPAN_SCAN) ||
8205 !nl80211_check_scan_feat(wiphy, *flags,
8206 NL80211_SCAN_FLAG_LOW_POWER,
8207 NL80211_EXT_FEATURE_LOW_POWER_SCAN) ||
8208 !nl80211_check_scan_feat(wiphy, *flags,
8209 NL80211_SCAN_FLAG_HIGH_ACCURACY,
8210 NL80211_EXT_FEATURE_HIGH_ACCURACY_SCAN) ||
8211 !nl80211_check_scan_feat(wiphy, *flags,
8212 NL80211_SCAN_FLAG_FILS_MAX_CHANNEL_TIME,
8213 NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME) ||
8214 !nl80211_check_scan_feat(wiphy, *flags,
8215 NL80211_SCAN_FLAG_ACCEPT_BCAST_PROBE_RESP,
8216 NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP) ||
8217 !nl80211_check_scan_feat(wiphy, *flags,
8218 NL80211_SCAN_FLAG_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION,
8219 NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION) ||
8220 !nl80211_check_scan_feat(wiphy, *flags,
8221 NL80211_SCAN_FLAG_OCE_PROBE_REQ_HIGH_TX_RATE,
8222 NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE) ||
8223 !nl80211_check_scan_feat(wiphy, *flags,
8224 NL80211_SCAN_FLAG_RANDOM_SN,
8225 NL80211_EXT_FEATURE_SCAN_RANDOM_SN) ||
8226 !nl80211_check_scan_feat(wiphy, *flags,
8227 NL80211_SCAN_FLAG_MIN_PREQ_CONTENT,
8228 NL80211_EXT_FEATURE_SCAN_MIN_PREQ_CONTENT))
8231 if (*flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
8234 if (!(wiphy->features & randomness_flag) ||
8235 (wdev && wdev->current_bss))
8238 err = nl80211_parse_random_mac(attrs, mac_addr, mac_addr_mask);
8246 static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
8248 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8249 struct wireless_dev *wdev = info->user_ptr[1];
8250 struct cfg80211_scan_request *request;
8251 struct nlattr *scan_freqs = NULL;
8252 bool scan_freqs_khz = false;
8253 struct nlattr *attr;
8254 struct wiphy *wiphy;
8255 int err, tmp, n_ssids = 0, n_channels, i;
8258 wiphy = &rdev->wiphy;
8260 if (wdev->iftype == NL80211_IFTYPE_NAN)
8263 if (!rdev->ops->scan)
8266 if (rdev->scan_req || rdev->scan_msg)
8269 if (info->attrs[NL80211_ATTR_SCAN_FREQ_KHZ]) {
8270 if (!wiphy_ext_feature_isset(wiphy,
8271 NL80211_EXT_FEATURE_SCAN_FREQ_KHZ))
8273 scan_freqs = info->attrs[NL80211_ATTR_SCAN_FREQ_KHZ];
8274 scan_freqs_khz = true;
8275 } else if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES])
8276 scan_freqs = info->attrs[NL80211_ATTR_SCAN_FREQUENCIES];
8279 n_channels = validate_scan_freqs(scan_freqs);
8283 n_channels = ieee80211_get_num_supported_channels(wiphy);
8286 if (info->attrs[NL80211_ATTR_SCAN_SSIDS])
8287 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp)
8290 if (n_ssids > wiphy->max_scan_ssids)
8293 if (info->attrs[NL80211_ATTR_IE])
8294 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
8298 if (ie_len > wiphy->max_scan_ie_len)
8301 request = kzalloc(sizeof(*request)
8302 + sizeof(*request->ssids) * n_ssids
8303 + sizeof(*request->channels) * n_channels
8304 + ie_len, GFP_KERNEL);
8309 request->ssids = (void *)&request->channels[n_channels];
8310 request->n_ssids = n_ssids;
8313 request->ie = (void *)(request->ssids + n_ssids);
8315 request->ie = (void *)(request->channels + n_channels);
8320 /* user specified, bail out if channel not found */
8321 nla_for_each_nested(attr, scan_freqs, tmp) {
8322 struct ieee80211_channel *chan;
8323 int freq = nla_get_u32(attr);
8325 if (!scan_freqs_khz)
8326 freq = MHZ_TO_KHZ(freq);
8328 chan = ieee80211_get_channel_khz(wiphy, freq);
8334 /* ignore disabled channels */
8335 if (chan->flags & IEEE80211_CHAN_DISABLED)
8338 request->channels[i] = chan;
8342 enum nl80211_band band;
8345 for (band = 0; band < NUM_NL80211_BANDS; band++) {
8348 if (!wiphy->bands[band])
8350 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
8351 struct ieee80211_channel *chan;
8353 chan = &wiphy->bands[band]->channels[j];
8355 if (chan->flags & IEEE80211_CHAN_DISABLED)
8358 request->channels[i] = chan;
8369 request->n_channels = i;
8372 if (!cfg80211_off_channel_oper_allowed(wdev)) {
8373 struct ieee80211_channel *chan;
8375 if (request->n_channels != 1) {
8381 chan = request->channels[0];
8382 if (chan->center_freq != wdev->chandef.chan->center_freq) {
8392 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) {
8393 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
8397 request->ssids[i].ssid_len = nla_len(attr);
8398 memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr));
8403 if (info->attrs[NL80211_ATTR_IE]) {
8404 request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
8405 memcpy((void *)request->ie,
8406 nla_data(info->attrs[NL80211_ATTR_IE]),
8410 for (i = 0; i < NUM_NL80211_BANDS; i++)
8411 if (wiphy->bands[i])
8413 (1 << wiphy->bands[i]->n_bitrates) - 1;
8415 if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) {
8416 nla_for_each_nested(attr,
8417 info->attrs[NL80211_ATTR_SCAN_SUPP_RATES],
8419 enum nl80211_band band = nla_type(attr);
8421 if (band < 0 || band >= NUM_NL80211_BANDS) {
8426 if (!wiphy->bands[band])
8429 err = ieee80211_get_ratemask(wiphy->bands[band],
8432 &request->rates[band]);
8438 if (info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]) {
8440 nla_get_u16(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]);
8441 request->duration_mandatory =
8442 nla_get_flag(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY]);
8445 err = nl80211_check_scan_flags(wiphy, wdev, request, info->attrs,
8451 nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
8453 /* Initial implementation used NL80211_ATTR_MAC to set the specific
8454 * BSSID to scan for. This was problematic because that same attribute
8455 * was already used for another purpose (local random MAC address). The
8456 * NL80211_ATTR_BSSID attribute was added to fix this. For backwards
8457 * compatibility with older userspace components, also use the
8458 * NL80211_ATTR_MAC value here if it can be determined to be used for
8459 * the specific BSSID use case instead of the random MAC address
8460 * (NL80211_ATTR_SCAN_FLAGS is used to enable random MAC address use).
8462 if (info->attrs[NL80211_ATTR_BSSID])
8463 memcpy(request->bssid,
8464 nla_data(info->attrs[NL80211_ATTR_BSSID]), ETH_ALEN);
8465 else if (!(request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) &&
8466 info->attrs[NL80211_ATTR_MAC])
8467 memcpy(request->bssid, nla_data(info->attrs[NL80211_ATTR_MAC]),
8470 eth_broadcast_addr(request->bssid);
8472 request->wdev = wdev;
8473 request->wiphy = &rdev->wiphy;
8474 request->scan_start = jiffies;
8476 rdev->scan_req = request;
8477 err = cfg80211_scan(rdev);
8482 nl80211_send_scan_start(rdev, wdev);
8484 dev_hold(wdev->netdev);
8489 rdev->scan_req = NULL;
8495 static int nl80211_abort_scan(struct sk_buff *skb, struct genl_info *info)
8497 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8498 struct wireless_dev *wdev = info->user_ptr[1];
8500 if (!rdev->ops->abort_scan)
8506 if (!rdev->scan_req)
8509 rdev_abort_scan(rdev, wdev);
8514 nl80211_parse_sched_scan_plans(struct wiphy *wiphy, int n_plans,
8515 struct cfg80211_sched_scan_request *request,
8516 struct nlattr **attrs)
8518 int tmp, err, i = 0;
8519 struct nlattr *attr;
8521 if (!attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
8525 * If scan plans are not specified,
8526 * %NL80211_ATTR_SCHED_SCAN_INTERVAL will be specified. In this
8527 * case one scan plan will be set with the specified scan
8528 * interval and infinite number of iterations.
8530 interval = nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]);
8534 request->scan_plans[0].interval =
8535 DIV_ROUND_UP(interval, MSEC_PER_SEC);
8536 if (!request->scan_plans[0].interval)
8539 if (request->scan_plans[0].interval >
8540 wiphy->max_sched_scan_plan_interval)
8541 request->scan_plans[0].interval =
8542 wiphy->max_sched_scan_plan_interval;
8547 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp) {
8548 struct nlattr *plan[NL80211_SCHED_SCAN_PLAN_MAX + 1];
8550 if (WARN_ON(i >= n_plans))
8553 err = nla_parse_nested_deprecated(plan,
8554 NL80211_SCHED_SCAN_PLAN_MAX,
8555 attr, nl80211_plan_policy,
8560 if (!plan[NL80211_SCHED_SCAN_PLAN_INTERVAL])
8563 request->scan_plans[i].interval =
8564 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_INTERVAL]);
8565 if (!request->scan_plans[i].interval ||
8566 request->scan_plans[i].interval >
8567 wiphy->max_sched_scan_plan_interval)
8570 if (plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]) {
8571 request->scan_plans[i].iterations =
8572 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]);
8573 if (!request->scan_plans[i].iterations ||
8574 (request->scan_plans[i].iterations >
8575 wiphy->max_sched_scan_plan_iterations))
8577 } else if (i < n_plans - 1) {
8579 * All scan plans but the last one must specify
8580 * a finite number of iterations
8589 * The last scan plan must not specify the number of
8590 * iterations, it is supposed to run infinitely
8592 if (request->scan_plans[n_plans - 1].iterations)
8599 nl80211_parse_sched_scan_per_band_rssi(struct wiphy *wiphy,
8600 struct cfg80211_match_set *match_sets,
8601 struct nlattr *tb_band_rssi,
8604 struct nlattr *attr;
8605 int i, tmp, ret = 0;
8607 if (!wiphy_ext_feature_isset(wiphy,
8608 NL80211_EXT_FEATURE_SCHED_SCAN_BAND_SPECIFIC_RSSI_THOLD)) {
8612 for (i = 0; i < NUM_NL80211_BANDS; i++)
8613 match_sets->per_band_rssi_thold[i] =
8614 NL80211_SCAN_RSSI_THOLD_OFF;
8618 for (i = 0; i < NUM_NL80211_BANDS; i++)
8619 match_sets->per_band_rssi_thold[i] = rssi_thold;
8621 nla_for_each_nested(attr, tb_band_rssi, tmp) {
8622 enum nl80211_band band = nla_type(attr);
8624 if (band < 0 || band >= NUM_NL80211_BANDS)
8627 match_sets->per_band_rssi_thold[band] = nla_get_s32(attr);
8633 static struct cfg80211_sched_scan_request *
8634 nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev,
8635 struct nlattr **attrs, int max_match_sets)
8637 struct cfg80211_sched_scan_request *request;
8638 struct nlattr *attr;
8639 int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i, n_plans = 0;
8640 enum nl80211_band band;
8642 struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1];
8643 s32 default_match_rssi = NL80211_SCAN_RSSI_THOLD_OFF;
8645 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
8646 n_channels = validate_scan_freqs(
8647 attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
8649 return ERR_PTR(-EINVAL);
8651 n_channels = ieee80211_get_num_supported_channels(wiphy);
8654 if (attrs[NL80211_ATTR_SCAN_SSIDS])
8655 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
8659 if (n_ssids > wiphy->max_sched_scan_ssids)
8660 return ERR_PTR(-EINVAL);
8663 * First, count the number of 'real' matchsets. Due to an issue with
8664 * the old implementation, matchsets containing only the RSSI attribute
8665 * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default'
8666 * RSSI for all matchsets, rather than their own matchset for reporting
8667 * all APs with a strong RSSI. This is needed to be compatible with
8668 * older userspace that treated a matchset with only the RSSI as the
8669 * global RSSI for all other matchsets - if there are other matchsets.
8671 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
8672 nla_for_each_nested(attr,
8673 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
8675 struct nlattr *rssi;
8677 err = nla_parse_nested_deprecated(tb,
8678 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
8680 nl80211_match_policy,
8683 return ERR_PTR(err);
8685 /* SSID and BSSID are mutually exclusive */
8686 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] &&
8687 tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID])
8688 return ERR_PTR(-EINVAL);
8690 /* add other standalone attributes here */
8691 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] ||
8692 tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID]) {
8696 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
8698 default_match_rssi = nla_get_s32(rssi);
8702 /* However, if there's no other matchset, add the RSSI one */
8703 if (!n_match_sets && default_match_rssi != NL80211_SCAN_RSSI_THOLD_OFF)
8706 if (n_match_sets > max_match_sets)
8707 return ERR_PTR(-EINVAL);
8709 if (attrs[NL80211_ATTR_IE])
8710 ie_len = nla_len(attrs[NL80211_ATTR_IE]);
8714 if (ie_len > wiphy->max_sched_scan_ie_len)
8715 return ERR_PTR(-EINVAL);
8717 if (attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
8719 * NL80211_ATTR_SCHED_SCAN_INTERVAL must not be specified since
8720 * each scan plan already specifies its own interval
8722 if (attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
8723 return ERR_PTR(-EINVAL);
8725 nla_for_each_nested(attr,
8726 attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp)
8730 * The scan interval attribute is kept for backward
8731 * compatibility. If no scan plans are specified and sched scan
8732 * interval is specified, one scan plan will be set with this
8733 * scan interval and infinite number of iterations.
8735 if (!attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
8736 return ERR_PTR(-EINVAL);
8741 if (!n_plans || n_plans > wiphy->max_sched_scan_plans)
8742 return ERR_PTR(-EINVAL);
8744 if (!wiphy_ext_feature_isset(
8745 wiphy, NL80211_EXT_FEATURE_SCHED_SCAN_RELATIVE_RSSI) &&
8746 (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] ||
8747 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]))
8748 return ERR_PTR(-EINVAL);
8750 request = kzalloc(sizeof(*request)
8751 + sizeof(*request->ssids) * n_ssids
8752 + sizeof(*request->match_sets) * n_match_sets
8753 + sizeof(*request->scan_plans) * n_plans
8754 + sizeof(*request->channels) * n_channels
8755 + ie_len, GFP_KERNEL);
8757 return ERR_PTR(-ENOMEM);
8760 request->ssids = (void *)&request->channels[n_channels];
8761 request->n_ssids = n_ssids;
8764 request->ie = (void *)(request->ssids + n_ssids);
8766 request->ie = (void *)(request->channels + n_channels);
8771 request->match_sets = (void *)(request->ie + ie_len);
8773 request->match_sets =
8774 (void *)(request->ssids + n_ssids);
8776 request->match_sets =
8777 (void *)(request->channels + n_channels);
8779 request->n_match_sets = n_match_sets;
8782 request->scan_plans = (void *)(request->match_sets +
8784 else if (request->ie)
8785 request->scan_plans = (void *)(request->ie + ie_len);
8787 request->scan_plans = (void *)(request->ssids + n_ssids);
8789 request->scan_plans = (void *)(request->channels + n_channels);
8791 request->n_scan_plans = n_plans;
8794 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
8795 /* user specified, bail out if channel not found */
8796 nla_for_each_nested(attr,
8797 attrs[NL80211_ATTR_SCAN_FREQUENCIES],
8799 struct ieee80211_channel *chan;
8801 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
8808 /* ignore disabled channels */
8809 if (chan->flags & IEEE80211_CHAN_DISABLED)
8812 request->channels[i] = chan;
8817 for (band = 0; band < NUM_NL80211_BANDS; band++) {
8820 if (!wiphy->bands[band])
8822 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
8823 struct ieee80211_channel *chan;
8825 chan = &wiphy->bands[band]->channels[j];
8827 if (chan->flags & IEEE80211_CHAN_DISABLED)
8830 request->channels[i] = chan;
8841 request->n_channels = i;
8845 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
8847 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
8851 request->ssids[i].ssid_len = nla_len(attr);
8852 memcpy(request->ssids[i].ssid, nla_data(attr),
8859 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
8860 nla_for_each_nested(attr,
8861 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
8863 struct nlattr *ssid, *bssid, *rssi;
8865 err = nla_parse_nested_deprecated(tb,
8866 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
8868 nl80211_match_policy,
8872 ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID];
8873 bssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID];
8875 if (!ssid && !bssid) {
8880 if (WARN_ON(i >= n_match_sets)) {
8881 /* this indicates a programming error,
8882 * the loop above should have verified
8890 memcpy(request->match_sets[i].ssid.ssid,
8891 nla_data(ssid), nla_len(ssid));
8892 request->match_sets[i].ssid.ssid_len =
8896 memcpy(request->match_sets[i].bssid,
8897 nla_data(bssid), ETH_ALEN);
8899 /* special attribute - old implementation w/a */
8900 request->match_sets[i].rssi_thold = default_match_rssi;
8901 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
8903 request->match_sets[i].rssi_thold =
8906 /* Parse per band RSSI attribute */
8907 err = nl80211_parse_sched_scan_per_band_rssi(wiphy,
8908 &request->match_sets[i],
8909 tb[NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI],
8910 request->match_sets[i].rssi_thold);
8917 /* there was no other matchset, so the RSSI one is alone */
8918 if (i == 0 && n_match_sets)
8919 request->match_sets[0].rssi_thold = default_match_rssi;
8921 request->min_rssi_thold = INT_MAX;
8922 for (i = 0; i < n_match_sets; i++)
8923 request->min_rssi_thold =
8924 min(request->match_sets[i].rssi_thold,
8925 request->min_rssi_thold);
8927 request->min_rssi_thold = NL80211_SCAN_RSSI_THOLD_OFF;
8931 request->ie_len = ie_len;
8932 memcpy((void *)request->ie,
8933 nla_data(attrs[NL80211_ATTR_IE]),
8937 err = nl80211_check_scan_flags(wiphy, wdev, request, attrs, true);
8941 if (attrs[NL80211_ATTR_SCHED_SCAN_DELAY])
8943 nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_DELAY]);
8945 if (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]) {
8946 request->relative_rssi = nla_get_s8(
8947 attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]);
8948 request->relative_rssi_set = true;
8951 if (request->relative_rssi_set &&
8952 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]) {
8953 struct nl80211_bss_select_rssi_adjust *rssi_adjust;
8955 rssi_adjust = nla_data(
8956 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]);
8957 request->rssi_adjust.band = rssi_adjust->band;
8958 request->rssi_adjust.delta = rssi_adjust->delta;
8959 if (!is_band_valid(wiphy, request->rssi_adjust.band)) {
8965 err = nl80211_parse_sched_scan_plans(wiphy, n_plans, request, attrs);
8969 request->scan_start = jiffies;
8975 return ERR_PTR(err);
8978 static int nl80211_start_sched_scan(struct sk_buff *skb,
8979 struct genl_info *info)
8981 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8982 struct net_device *dev = info->user_ptr[1];
8983 struct wireless_dev *wdev = dev->ieee80211_ptr;
8984 struct cfg80211_sched_scan_request *sched_scan_req;
8988 if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_start)
8991 want_multi = info->attrs[NL80211_ATTR_SCHED_SCAN_MULTI];
8992 err = cfg80211_sched_scan_req_possible(rdev, want_multi);
8996 sched_scan_req = nl80211_parse_sched_scan(&rdev->wiphy, wdev,
8998 rdev->wiphy.max_match_sets);
9000 err = PTR_ERR_OR_ZERO(sched_scan_req);
9004 /* leave request id zero for legacy request
9005 * or if driver does not support multi-scheduled scan
9007 if (want_multi && rdev->wiphy.max_sched_scan_reqs > 1)
9008 sched_scan_req->reqid = cfg80211_assign_cookie(rdev);
9010 err = rdev_sched_scan_start(rdev, dev, sched_scan_req);
9014 sched_scan_req->dev = dev;
9015 sched_scan_req->wiphy = &rdev->wiphy;
9017 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
9018 sched_scan_req->owner_nlportid = info->snd_portid;
9020 cfg80211_add_sched_scan_req(rdev, sched_scan_req);
9022 nl80211_send_sched_scan(sched_scan_req, NL80211_CMD_START_SCHED_SCAN);
9026 kfree(sched_scan_req);
9031 static int nl80211_stop_sched_scan(struct sk_buff *skb,
9032 struct genl_info *info)
9034 struct cfg80211_sched_scan_request *req;
9035 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9038 if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_stop)
9041 if (info->attrs[NL80211_ATTR_COOKIE]) {
9042 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
9043 return __cfg80211_stop_sched_scan(rdev, cookie, false);
9046 req = list_first_or_null_rcu(&rdev->sched_scan_req_list,
9047 struct cfg80211_sched_scan_request,
9049 if (!req || req->reqid ||
9050 (req->owner_nlportid &&
9051 req->owner_nlportid != info->snd_portid))
9054 return cfg80211_stop_sched_scan_req(rdev, req, false);
9057 static int nl80211_start_radar_detection(struct sk_buff *skb,
9058 struct genl_info *info)
9060 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9061 struct net_device *dev = info->user_ptr[1];
9062 struct wireless_dev *wdev = dev->ieee80211_ptr;
9063 struct wiphy *wiphy = wdev->wiphy;
9064 struct cfg80211_chan_def chandef;
9065 enum nl80211_dfs_regions dfs_region;
9066 unsigned int cac_time_ms;
9069 dfs_region = reg_get_dfs_region(wiphy);
9070 if (dfs_region == NL80211_DFS_UNSET)
9073 err = nl80211_parse_chandef(rdev, info, &chandef);
9077 if (netif_carrier_ok(dev))
9080 if (wdev->cac_started)
9083 err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype);
9090 if (!cfg80211_chandef_dfs_usable(wiphy, &chandef))
9093 /* CAC start is offloaded to HW and can't be started manually */
9094 if (wiphy_ext_feature_isset(wiphy, NL80211_EXT_FEATURE_DFS_OFFLOAD))
9097 if (!rdev->ops->start_radar_detection)
9100 cac_time_ms = cfg80211_chandef_dfs_cac_time(&rdev->wiphy, &chandef);
9101 if (WARN_ON(!cac_time_ms))
9102 cac_time_ms = IEEE80211_DFS_MIN_CAC_TIME_MS;
9104 err = rdev_start_radar_detection(rdev, dev, &chandef, cac_time_ms);
9106 wdev->chandef = chandef;
9107 wdev->cac_started = true;
9108 wdev->cac_start_time = jiffies;
9109 wdev->cac_time_ms = cac_time_ms;
9114 static int nl80211_notify_radar_detection(struct sk_buff *skb,
9115 struct genl_info *info)
9117 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9118 struct net_device *dev = info->user_ptr[1];
9119 struct wireless_dev *wdev = dev->ieee80211_ptr;
9120 struct wiphy *wiphy = wdev->wiphy;
9121 struct cfg80211_chan_def chandef;
9122 enum nl80211_dfs_regions dfs_region;
9125 dfs_region = reg_get_dfs_region(wiphy);
9126 if (dfs_region == NL80211_DFS_UNSET) {
9127 GENL_SET_ERR_MSG(info,
9128 "DFS Region is not set. Unexpected Radar indication");
9132 err = nl80211_parse_chandef(rdev, info, &chandef);
9134 GENL_SET_ERR_MSG(info, "Unable to extract chandef info");
9138 err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype);
9140 GENL_SET_ERR_MSG(info, "chandef is invalid");
9145 GENL_SET_ERR_MSG(info,
9146 "Unexpected Radar indication for chandef/iftype");
9150 /* Do not process this notification if radar is already detected
9151 * by kernel on this channel, and return success.
9153 if (chandef.chan->dfs_state == NL80211_DFS_UNAVAILABLE)
9156 cfg80211_set_dfs_state(wiphy, &chandef, NL80211_DFS_UNAVAILABLE);
9158 cfg80211_sched_dfs_chan_update(rdev);
9160 rdev->radar_chandef = chandef;
9162 /* Propagate this notification to other radios as well */
9163 queue_work(cfg80211_wq, &rdev->propagate_radar_detect_wk);
9168 static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info)
9170 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9171 struct net_device *dev = info->user_ptr[1];
9172 struct wireless_dev *wdev = dev->ieee80211_ptr;
9173 struct cfg80211_csa_settings params;
9174 struct nlattr **csa_attrs = NULL;
9176 bool need_new_beacon = false;
9177 bool need_handle_dfs_flag = true;
9181 if (!rdev->ops->channel_switch ||
9182 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH))
9185 switch (dev->ieee80211_ptr->iftype) {
9186 case NL80211_IFTYPE_AP:
9187 case NL80211_IFTYPE_P2P_GO:
9188 need_new_beacon = true;
9189 /* For all modes except AP the handle_dfs flag needs to be
9190 * supplied to tell the kernel that userspace will handle radar
9191 * events when they happen. Otherwise a switch to a channel
9192 * requiring DFS will be rejected.
9194 need_handle_dfs_flag = false;
9196 /* useless if AP is not running */
9197 if (!wdev->beacon_interval)
9200 case NL80211_IFTYPE_ADHOC:
9201 if (!wdev->ssid_len)
9204 case NL80211_IFTYPE_MESH_POINT:
9205 if (!wdev->mesh_id_len)
9212 memset(¶ms, 0, sizeof(params));
9213 params.beacon_csa.ftm_responder = -1;
9215 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
9216 !info->attrs[NL80211_ATTR_CH_SWITCH_COUNT])
9219 /* only important for AP, IBSS and mesh create IEs internally */
9220 if (need_new_beacon && !info->attrs[NL80211_ATTR_CSA_IES])
9223 /* Even though the attribute is u32, the specification says
9224 * u8, so let's make sure we don't overflow.
9226 cs_count = nla_get_u32(info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]);
9230 params.count = cs_count;
9232 if (!need_new_beacon)
9235 err = nl80211_parse_beacon(rdev, info->attrs, ¶ms.beacon_after);
9239 csa_attrs = kcalloc(NL80211_ATTR_MAX + 1, sizeof(*csa_attrs),
9244 err = nla_parse_nested_deprecated(csa_attrs, NL80211_ATTR_MAX,
9245 info->attrs[NL80211_ATTR_CSA_IES],
9246 nl80211_policy, info->extack);
9250 err = nl80211_parse_beacon(rdev, csa_attrs, ¶ms.beacon_csa);
9254 if (!csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON]) {
9259 len = nla_len(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON]);
9260 if (!len || (len % sizeof(u16))) {
9265 params.n_counter_offsets_beacon = len / sizeof(u16);
9266 if (rdev->wiphy.max_num_csa_counters &&
9267 (params.n_counter_offsets_beacon >
9268 rdev->wiphy.max_num_csa_counters)) {
9273 params.counter_offsets_beacon =
9274 nla_data(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON]);
9276 /* sanity checks - counters should fit and be the same */
9277 for (i = 0; i < params.n_counter_offsets_beacon; i++) {
9278 u16 offset = params.counter_offsets_beacon[i];
9280 if (offset >= params.beacon_csa.tail_len) {
9285 if (params.beacon_csa.tail[offset] != params.count) {
9291 if (csa_attrs[NL80211_ATTR_CNTDWN_OFFS_PRESP]) {
9292 len = nla_len(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_PRESP]);
9293 if (!len || (len % sizeof(u16))) {
9298 params.n_counter_offsets_presp = len / sizeof(u16);
9299 if (rdev->wiphy.max_num_csa_counters &&
9300 (params.n_counter_offsets_presp >
9301 rdev->wiphy.max_num_csa_counters)) {
9306 params.counter_offsets_presp =
9307 nla_data(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_PRESP]);
9309 /* sanity checks - counters should fit and be the same */
9310 for (i = 0; i < params.n_counter_offsets_presp; i++) {
9311 u16 offset = params.counter_offsets_presp[i];
9313 if (offset >= params.beacon_csa.probe_resp_len) {
9318 if (params.beacon_csa.probe_resp[offset] !=
9327 err = nl80211_parse_chandef(rdev, info, ¶ms.chandef);
9331 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef,
9337 err = cfg80211_chandef_dfs_required(wdev->wiphy,
9344 params.radar_required = true;
9345 if (need_handle_dfs_flag &&
9346 !nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS])) {
9352 if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX])
9353 params.block_tx = true;
9356 err = rdev_channel_switch(rdev, dev, ¶ms);
9364 static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
9366 struct cfg80211_registered_device *rdev,
9367 struct wireless_dev *wdev,
9368 struct cfg80211_internal_bss *intbss)
9370 struct cfg80211_bss *res = &intbss->pub;
9371 const struct cfg80211_bss_ies *ies;
9375 ASSERT_WDEV_LOCK(wdev);
9377 hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
9378 NL80211_CMD_NEW_SCAN_RESULTS);
9382 genl_dump_check_consistent(cb, hdr);
9384 if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation))
9385 goto nla_put_failure;
9387 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex))
9388 goto nla_put_failure;
9389 if (nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
9391 goto nla_put_failure;
9393 bss = nla_nest_start_noflag(msg, NL80211_ATTR_BSS);
9395 goto nla_put_failure;
9396 if ((!is_zero_ether_addr(res->bssid) &&
9397 nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid)))
9398 goto nla_put_failure;
9401 /* indicate whether we have probe response data or not */
9402 if (rcu_access_pointer(res->proberesp_ies) &&
9403 nla_put_flag(msg, NL80211_BSS_PRESP_DATA))
9404 goto fail_unlock_rcu;
9406 /* this pointer prefers to be pointed to probe response data
9407 * but is always valid
9409 ies = rcu_dereference(res->ies);
9411 if (nla_put_u64_64bit(msg, NL80211_BSS_TSF, ies->tsf,
9413 goto fail_unlock_rcu;
9414 if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS,
9415 ies->len, ies->data))
9416 goto fail_unlock_rcu;
9419 /* and this pointer is always (unless driver didn't know) beacon data */
9420 ies = rcu_dereference(res->beacon_ies);
9421 if (ies && ies->from_beacon) {
9422 if (nla_put_u64_64bit(msg, NL80211_BSS_BEACON_TSF, ies->tsf,
9424 goto fail_unlock_rcu;
9425 if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES,
9426 ies->len, ies->data))
9427 goto fail_unlock_rcu;
9431 if (res->beacon_interval &&
9432 nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval))
9433 goto nla_put_failure;
9434 if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) ||
9435 nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) ||
9436 nla_put_u32(msg, NL80211_BSS_FREQUENCY_OFFSET,
9437 res->channel->freq_offset) ||
9438 nla_put_u32(msg, NL80211_BSS_CHAN_WIDTH, res->scan_width) ||
9439 nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO,
9440 jiffies_to_msecs(jiffies - intbss->ts)))
9441 goto nla_put_failure;
9443 if (intbss->parent_tsf &&
9444 (nla_put_u64_64bit(msg, NL80211_BSS_PARENT_TSF,
9445 intbss->parent_tsf, NL80211_BSS_PAD) ||
9446 nla_put(msg, NL80211_BSS_PARENT_BSSID, ETH_ALEN,
9447 intbss->parent_bssid)))
9448 goto nla_put_failure;
9450 if (intbss->ts_boottime &&
9451 nla_put_u64_64bit(msg, NL80211_BSS_LAST_SEEN_BOOTTIME,
9452 intbss->ts_boottime, NL80211_BSS_PAD))
9453 goto nla_put_failure;
9455 if (!nl80211_put_signal(msg, intbss->pub.chains,
9456 intbss->pub.chain_signal,
9457 NL80211_BSS_CHAIN_SIGNAL))
9458 goto nla_put_failure;
9460 switch (rdev->wiphy.signal_type) {
9461 case CFG80211_SIGNAL_TYPE_MBM:
9462 if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal))
9463 goto nla_put_failure;
9465 case CFG80211_SIGNAL_TYPE_UNSPEC:
9466 if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal))
9467 goto nla_put_failure;
9473 switch (wdev->iftype) {
9474 case NL80211_IFTYPE_P2P_CLIENT:
9475 case NL80211_IFTYPE_STATION:
9476 if (intbss == wdev->current_bss &&
9477 nla_put_u32(msg, NL80211_BSS_STATUS,
9478 NL80211_BSS_STATUS_ASSOCIATED))
9479 goto nla_put_failure;
9481 case NL80211_IFTYPE_ADHOC:
9482 if (intbss == wdev->current_bss &&
9483 nla_put_u32(msg, NL80211_BSS_STATUS,
9484 NL80211_BSS_STATUS_IBSS_JOINED))
9485 goto nla_put_failure;
9491 nla_nest_end(msg, bss);
9493 genlmsg_end(msg, hdr);
9499 genlmsg_cancel(msg, hdr);
9503 static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb)
9505 struct cfg80211_registered_device *rdev;
9506 struct cfg80211_internal_bss *scan;
9507 struct wireless_dev *wdev;
9508 int start = cb->args[2], idx = 0;
9511 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
9514 /* nl80211_prepare_wdev_dump acquired it in the successful case */
9515 __acquire(&rdev->wiphy.mtx);
9518 spin_lock_bh(&rdev->bss_lock);
9521 * dump_scan will be called multiple times to break up the scan results
9522 * into multiple messages. It is unlikely that any more bss-es will be
9523 * expired after the first call, so only call only call this on the
9524 * first dump_scan invocation.
9527 cfg80211_bss_expire(rdev);
9529 cb->seq = rdev->bss_generation;
9531 list_for_each_entry(scan, &rdev->bss_list, list) {
9534 if (nl80211_send_bss(skb, cb,
9535 cb->nlh->nlmsg_seq, NLM_F_MULTI,
9536 rdev, wdev, scan) < 0) {
9542 spin_unlock_bh(&rdev->bss_lock);
9546 wiphy_unlock(&rdev->wiphy);
9551 static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq,
9552 int flags, struct net_device *dev,
9553 bool allow_radio_stats,
9554 struct survey_info *survey)
9557 struct nlattr *infoattr;
9559 /* skip radio stats if userspace didn't request them */
9560 if (!survey->channel && !allow_radio_stats)
9563 hdr = nl80211hdr_put(msg, portid, seq, flags,
9564 NL80211_CMD_NEW_SURVEY_RESULTS);
9568 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
9569 goto nla_put_failure;
9571 infoattr = nla_nest_start_noflag(msg, NL80211_ATTR_SURVEY_INFO);
9573 goto nla_put_failure;
9575 if (survey->channel &&
9576 nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY,
9577 survey->channel->center_freq))
9578 goto nla_put_failure;
9580 if (survey->channel && survey->channel->freq_offset &&
9581 nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY_OFFSET,
9582 survey->channel->freq_offset))
9583 goto nla_put_failure;
9585 if ((survey->filled & SURVEY_INFO_NOISE_DBM) &&
9586 nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise))
9587 goto nla_put_failure;
9588 if ((survey->filled & SURVEY_INFO_IN_USE) &&
9589 nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE))
9590 goto nla_put_failure;
9591 if ((survey->filled & SURVEY_INFO_TIME) &&
9592 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME,
9593 survey->time, NL80211_SURVEY_INFO_PAD))
9594 goto nla_put_failure;
9595 if ((survey->filled & SURVEY_INFO_TIME_BUSY) &&
9596 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BUSY,
9597 survey->time_busy, NL80211_SURVEY_INFO_PAD))
9598 goto nla_put_failure;
9599 if ((survey->filled & SURVEY_INFO_TIME_EXT_BUSY) &&
9600 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_EXT_BUSY,
9601 survey->time_ext_busy, NL80211_SURVEY_INFO_PAD))
9602 goto nla_put_failure;
9603 if ((survey->filled & SURVEY_INFO_TIME_RX) &&
9604 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_RX,
9605 survey->time_rx, NL80211_SURVEY_INFO_PAD))
9606 goto nla_put_failure;
9607 if ((survey->filled & SURVEY_INFO_TIME_TX) &&
9608 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_TX,
9609 survey->time_tx, NL80211_SURVEY_INFO_PAD))
9610 goto nla_put_failure;
9611 if ((survey->filled & SURVEY_INFO_TIME_SCAN) &&
9612 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_SCAN,
9613 survey->time_scan, NL80211_SURVEY_INFO_PAD))
9614 goto nla_put_failure;
9615 if ((survey->filled & SURVEY_INFO_TIME_BSS_RX) &&
9616 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BSS_RX,
9617 survey->time_bss_rx, NL80211_SURVEY_INFO_PAD))
9618 goto nla_put_failure;
9620 nla_nest_end(msg, infoattr);
9622 genlmsg_end(msg, hdr);
9626 genlmsg_cancel(msg, hdr);
9630 static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb)
9632 struct nlattr **attrbuf;
9633 struct survey_info survey;
9634 struct cfg80211_registered_device *rdev;
9635 struct wireless_dev *wdev;
9636 int survey_idx = cb->args[2];
9640 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf), GFP_KERNEL);
9644 res = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
9649 /* nl80211_prepare_wdev_dump acquired it in the successful case */
9650 __acquire(&rdev->wiphy.mtx);
9652 /* prepare_wdev_dump parsed the attributes */
9653 radio_stats = attrbuf[NL80211_ATTR_SURVEY_RADIO_STATS];
9655 if (!wdev->netdev) {
9660 if (!rdev->ops->dump_survey) {
9666 res = rdev_dump_survey(rdev, wdev->netdev, survey_idx, &survey);
9672 /* don't send disabled channels, but do send non-channel data */
9673 if (survey.channel &&
9674 survey.channel->flags & IEEE80211_CHAN_DISABLED) {
9679 if (nl80211_send_survey(skb,
9680 NETLINK_CB(cb->skb).portid,
9681 cb->nlh->nlmsg_seq, NLM_F_MULTI,
9682 wdev->netdev, radio_stats, &survey) < 0)
9688 cb->args[2] = survey_idx;
9692 wiphy_unlock(&rdev->wiphy);
9696 static bool nl80211_valid_wpa_versions(u32 wpa_versions)
9698 return !(wpa_versions & ~(NL80211_WPA_VERSION_1 |
9699 NL80211_WPA_VERSION_2 |
9700 NL80211_WPA_VERSION_3));
9703 static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
9705 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9706 struct net_device *dev = info->user_ptr[1];
9707 struct ieee80211_channel *chan;
9708 const u8 *bssid, *ssid, *ie = NULL, *auth_data = NULL;
9709 int err, ssid_len, ie_len = 0, auth_data_len = 0;
9710 enum nl80211_auth_type auth_type;
9711 struct key_parse key;
9712 bool local_state_change;
9715 if (!info->attrs[NL80211_ATTR_MAC])
9718 if (!info->attrs[NL80211_ATTR_AUTH_TYPE])
9721 if (!info->attrs[NL80211_ATTR_SSID])
9724 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
9727 err = nl80211_parse_key(info, &key);
9732 if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP)
9734 if (!key.p.key || !key.p.key_len)
9736 if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 ||
9737 key.p.key_len != WLAN_KEY_LEN_WEP40) &&
9738 (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 ||
9739 key.p.key_len != WLAN_KEY_LEN_WEP104))
9752 for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) {
9753 if (key.p.cipher == rdev->wiphy.cipher_suites[i]) {
9762 if (!rdev->ops->auth)
9765 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
9766 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9769 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
9770 freq = MHZ_TO_KHZ(nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
9771 if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
9773 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
9775 chan = nl80211_get_valid_chan(&rdev->wiphy, freq);
9779 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
9780 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
9782 if (info->attrs[NL80211_ATTR_IE]) {
9783 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9784 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9787 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
9788 if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE))
9791 if ((auth_type == NL80211_AUTHTYPE_SAE ||
9792 auth_type == NL80211_AUTHTYPE_FILS_SK ||
9793 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
9794 auth_type == NL80211_AUTHTYPE_FILS_PK) &&
9795 !info->attrs[NL80211_ATTR_AUTH_DATA])
9798 if (info->attrs[NL80211_ATTR_AUTH_DATA]) {
9799 if (auth_type != NL80211_AUTHTYPE_SAE &&
9800 auth_type != NL80211_AUTHTYPE_FILS_SK &&
9801 auth_type != NL80211_AUTHTYPE_FILS_SK_PFS &&
9802 auth_type != NL80211_AUTHTYPE_FILS_PK)
9804 auth_data = nla_data(info->attrs[NL80211_ATTR_AUTH_DATA]);
9805 auth_data_len = nla_len(info->attrs[NL80211_ATTR_AUTH_DATA]);
9808 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
9811 * Since we no longer track auth state, ignore
9812 * requests to only change local state.
9814 if (local_state_change)
9817 wdev_lock(dev->ieee80211_ptr);
9818 err = cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid,
9819 ssid, ssid_len, ie, ie_len,
9820 key.p.key, key.p.key_len, key.idx,
9821 auth_data, auth_data_len);
9822 wdev_unlock(dev->ieee80211_ptr);
9826 static int validate_pae_over_nl80211(struct cfg80211_registered_device *rdev,
9827 struct genl_info *info)
9829 if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
9830 GENL_SET_ERR_MSG(info, "SOCKET_OWNER not set");
9834 if (!rdev->ops->tx_control_port ||
9835 !wiphy_ext_feature_isset(&rdev->wiphy,
9836 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
9842 static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
9843 struct genl_info *info,
9844 struct cfg80211_crypto_settings *settings,
9847 memset(settings, 0, sizeof(*settings));
9849 settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT];
9851 if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
9854 proto = nla_get_u16(
9855 info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
9856 settings->control_port_ethertype = cpu_to_be16(proto);
9857 if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
9860 if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT])
9861 settings->control_port_no_encrypt = true;
9863 settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE);
9865 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
9866 int r = validate_pae_over_nl80211(rdev, info);
9871 settings->control_port_over_nl80211 = true;
9873 if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_PREAUTH])
9874 settings->control_port_no_preauth = true;
9877 if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) {
9881 data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
9882 len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
9883 settings->n_ciphers_pairwise = len / sizeof(u32);
9885 if (len % sizeof(u32))
9888 if (settings->n_ciphers_pairwise > cipher_limit)
9891 memcpy(settings->ciphers_pairwise, data, len);
9893 for (i = 0; i < settings->n_ciphers_pairwise; i++)
9894 if (!cfg80211_supported_cipher_suite(
9896 settings->ciphers_pairwise[i]))
9900 if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) {
9901 settings->cipher_group =
9902 nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]);
9903 if (!cfg80211_supported_cipher_suite(&rdev->wiphy,
9904 settings->cipher_group))
9908 if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) {
9909 settings->wpa_versions =
9910 nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]);
9911 if (!nl80211_valid_wpa_versions(settings->wpa_versions))
9915 if (info->attrs[NL80211_ATTR_AKM_SUITES]) {
9919 data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]);
9920 len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]);
9921 settings->n_akm_suites = len / sizeof(u32);
9923 if (len % sizeof(u32))
9926 if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES)
9929 memcpy(settings->akm_suites, data, len);
9932 if (info->attrs[NL80211_ATTR_PMK]) {
9933 if (nla_len(info->attrs[NL80211_ATTR_PMK]) != WLAN_PMK_LEN)
9935 if (!wiphy_ext_feature_isset(&rdev->wiphy,
9936 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_PSK) &&
9937 !wiphy_ext_feature_isset(&rdev->wiphy,
9938 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_AP_PSK))
9940 settings->psk = nla_data(info->attrs[NL80211_ATTR_PMK]);
9943 if (info->attrs[NL80211_ATTR_SAE_PASSWORD]) {
9944 if (!wiphy_ext_feature_isset(&rdev->wiphy,
9945 NL80211_EXT_FEATURE_SAE_OFFLOAD) &&
9946 !wiphy_ext_feature_isset(&rdev->wiphy,
9947 NL80211_EXT_FEATURE_SAE_OFFLOAD_AP))
9950 nla_data(info->attrs[NL80211_ATTR_SAE_PASSWORD]);
9951 settings->sae_pwd_len =
9952 nla_len(info->attrs[NL80211_ATTR_SAE_PASSWORD]);
9955 if (info->attrs[NL80211_ATTR_SAE_PWE])
9957 nla_get_u8(info->attrs[NL80211_ATTR_SAE_PWE]);
9959 settings->sae_pwe = NL80211_SAE_PWE_UNSPECIFIED;
9964 static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
9966 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9967 struct net_device *dev = info->user_ptr[1];
9968 struct ieee80211_channel *chan;
9969 struct cfg80211_assoc_request req = {};
9970 const u8 *bssid, *ssid;
9971 int err, ssid_len = 0;
9974 if (dev->ieee80211_ptr->conn_owner_nlportid &&
9975 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
9978 if (!info->attrs[NL80211_ATTR_MAC] ||
9979 !info->attrs[NL80211_ATTR_SSID] ||
9980 !info->attrs[NL80211_ATTR_WIPHY_FREQ])
9983 if (!rdev->ops->assoc)
9986 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
9987 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9990 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
9992 freq = MHZ_TO_KHZ(nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
9993 if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
9995 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
9996 chan = nl80211_get_valid_chan(&rdev->wiphy, freq);
10000 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
10001 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
10003 if (info->attrs[NL80211_ATTR_IE]) {
10004 req.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10005 req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
10008 if (info->attrs[NL80211_ATTR_USE_MFP]) {
10009 enum nl80211_mfp mfp =
10010 nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
10011 if (mfp == NL80211_MFP_REQUIRED)
10012 req.use_mfp = true;
10013 else if (mfp != NL80211_MFP_NO)
10017 if (info->attrs[NL80211_ATTR_PREV_BSSID])
10018 req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
10020 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
10021 req.flags |= ASSOC_REQ_DISABLE_HT;
10023 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
10024 memcpy(&req.ht_capa_mask,
10025 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
10026 sizeof(req.ht_capa_mask));
10028 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
10029 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
10031 memcpy(&req.ht_capa,
10032 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
10033 sizeof(req.ht_capa));
10036 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
10037 req.flags |= ASSOC_REQ_DISABLE_VHT;
10039 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HE]))
10040 req.flags |= ASSOC_REQ_DISABLE_HE;
10042 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
10043 memcpy(&req.vht_capa_mask,
10044 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
10045 sizeof(req.vht_capa_mask));
10047 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
10048 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
10050 memcpy(&req.vht_capa,
10051 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
10052 sizeof(req.vht_capa));
10055 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
10056 if (!((rdev->wiphy.features &
10057 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
10058 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
10059 !wiphy_ext_feature_isset(&rdev->wiphy,
10060 NL80211_EXT_FEATURE_RRM))
10062 req.flags |= ASSOC_REQ_USE_RRM;
10065 if (info->attrs[NL80211_ATTR_FILS_KEK]) {
10066 req.fils_kek = nla_data(info->attrs[NL80211_ATTR_FILS_KEK]);
10067 req.fils_kek_len = nla_len(info->attrs[NL80211_ATTR_FILS_KEK]);
10068 if (!info->attrs[NL80211_ATTR_FILS_NONCES])
10071 nla_data(info->attrs[NL80211_ATTR_FILS_NONCES]);
10074 if (info->attrs[NL80211_ATTR_S1G_CAPABILITY_MASK]) {
10075 if (!info->attrs[NL80211_ATTR_S1G_CAPABILITY])
10077 memcpy(&req.s1g_capa_mask,
10078 nla_data(info->attrs[NL80211_ATTR_S1G_CAPABILITY_MASK]),
10079 sizeof(req.s1g_capa_mask));
10082 if (info->attrs[NL80211_ATTR_S1G_CAPABILITY]) {
10083 if (!info->attrs[NL80211_ATTR_S1G_CAPABILITY_MASK])
10085 memcpy(&req.s1g_capa,
10086 nla_data(info->attrs[NL80211_ATTR_S1G_CAPABILITY]),
10087 sizeof(req.s1g_capa));
10090 err = nl80211_crypto_settings(rdev, info, &req.crypto, 1);
10092 wdev_lock(dev->ieee80211_ptr);
10094 err = cfg80211_mlme_assoc(rdev, dev, chan, bssid,
10095 ssid, ssid_len, &req);
10097 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
10098 dev->ieee80211_ptr->conn_owner_nlportid =
10100 memcpy(dev->ieee80211_ptr->disconnect_bssid,
10104 wdev_unlock(dev->ieee80211_ptr);
10110 static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
10112 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10113 struct net_device *dev = info->user_ptr[1];
10114 const u8 *ie = NULL, *bssid;
10115 int ie_len = 0, err;
10117 bool local_state_change;
10119 if (dev->ieee80211_ptr->conn_owner_nlportid &&
10120 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
10123 if (!info->attrs[NL80211_ATTR_MAC])
10126 if (!info->attrs[NL80211_ATTR_REASON_CODE])
10129 if (!rdev->ops->deauth)
10130 return -EOPNOTSUPP;
10132 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
10133 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10134 return -EOPNOTSUPP;
10136 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
10138 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
10139 if (reason_code == 0) {
10140 /* Reason Code 0 is reserved */
10144 if (info->attrs[NL80211_ATTR_IE]) {
10145 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10146 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
10149 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
10151 wdev_lock(dev->ieee80211_ptr);
10152 err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code,
10153 local_state_change);
10154 wdev_unlock(dev->ieee80211_ptr);
10158 static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
10160 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10161 struct net_device *dev = info->user_ptr[1];
10162 const u8 *ie = NULL, *bssid;
10163 int ie_len = 0, err;
10165 bool local_state_change;
10167 if (dev->ieee80211_ptr->conn_owner_nlportid &&
10168 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
10171 if (!info->attrs[NL80211_ATTR_MAC])
10174 if (!info->attrs[NL80211_ATTR_REASON_CODE])
10177 if (!rdev->ops->disassoc)
10178 return -EOPNOTSUPP;
10180 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
10181 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10182 return -EOPNOTSUPP;
10184 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
10186 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
10187 if (reason_code == 0) {
10188 /* Reason Code 0 is reserved */
10192 if (info->attrs[NL80211_ATTR_IE]) {
10193 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10194 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
10197 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
10199 wdev_lock(dev->ieee80211_ptr);
10200 err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code,
10201 local_state_change);
10202 wdev_unlock(dev->ieee80211_ptr);
10207 nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev,
10208 int mcast_rate[NUM_NL80211_BANDS],
10211 struct wiphy *wiphy = &rdev->wiphy;
10212 bool found = false;
10215 for (band = 0; band < NUM_NL80211_BANDS; band++) {
10216 struct ieee80211_supported_band *sband;
10218 sband = wiphy->bands[band];
10222 for (i = 0; i < sband->n_bitrates; i++) {
10223 if (sband->bitrates[i].bitrate == rateval) {
10224 mcast_rate[band] = i + 1;
10234 static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
10236 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10237 struct net_device *dev = info->user_ptr[1];
10238 struct cfg80211_ibss_params ibss;
10239 struct wiphy *wiphy;
10240 struct cfg80211_cached_keys *connkeys = NULL;
10243 memset(&ibss, 0, sizeof(ibss));
10245 if (!info->attrs[NL80211_ATTR_SSID] ||
10246 !nla_len(info->attrs[NL80211_ATTR_SSID]))
10249 ibss.beacon_interval = 100;
10251 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL])
10252 ibss.beacon_interval =
10253 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
10255 err = cfg80211_validate_beacon_int(rdev, NL80211_IFTYPE_ADHOC,
10256 ibss.beacon_interval);
10260 if (!rdev->ops->join_ibss)
10261 return -EOPNOTSUPP;
10263 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
10264 return -EOPNOTSUPP;
10266 wiphy = &rdev->wiphy;
10268 if (info->attrs[NL80211_ATTR_MAC]) {
10269 ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
10271 if (!is_valid_ether_addr(ibss.bssid))
10274 ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
10275 ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
10277 if (info->attrs[NL80211_ATTR_IE]) {
10278 ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10279 ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
10282 err = nl80211_parse_chandef(rdev, info, &ibss.chandef);
10286 if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef,
10287 NL80211_IFTYPE_ADHOC))
10290 switch (ibss.chandef.width) {
10291 case NL80211_CHAN_WIDTH_5:
10292 case NL80211_CHAN_WIDTH_10:
10293 case NL80211_CHAN_WIDTH_20_NOHT:
10295 case NL80211_CHAN_WIDTH_20:
10296 case NL80211_CHAN_WIDTH_40:
10297 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
10300 case NL80211_CHAN_WIDTH_80:
10301 case NL80211_CHAN_WIDTH_80P80:
10302 case NL80211_CHAN_WIDTH_160:
10303 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
10305 if (!wiphy_ext_feature_isset(&rdev->wiphy,
10306 NL80211_EXT_FEATURE_VHT_IBSS))
10313 ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED];
10314 ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
10316 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
10318 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
10320 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
10321 struct ieee80211_supported_band *sband =
10322 wiphy->bands[ibss.chandef.chan->band];
10324 err = ieee80211_get_ratemask(sband, rates, n_rates,
10325 &ibss.basic_rates);
10330 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
10331 memcpy(&ibss.ht_capa_mask,
10332 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
10333 sizeof(ibss.ht_capa_mask));
10335 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
10336 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
10338 memcpy(&ibss.ht_capa,
10339 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
10340 sizeof(ibss.ht_capa));
10343 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
10344 !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate,
10345 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
10348 if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) {
10349 bool no_ht = false;
10351 connkeys = nl80211_parse_connkeys(rdev, info, &no_ht);
10352 if (IS_ERR(connkeys))
10353 return PTR_ERR(connkeys);
10355 if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) &&
10357 kfree_sensitive(connkeys);
10362 ibss.control_port =
10363 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]);
10365 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
10366 int r = validate_pae_over_nl80211(rdev, info);
10369 kfree_sensitive(connkeys);
10373 ibss.control_port_over_nl80211 = true;
10376 ibss.userspace_handles_dfs =
10377 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
10379 wdev_lock(dev->ieee80211_ptr);
10380 err = __cfg80211_join_ibss(rdev, dev, &ibss, connkeys);
10382 kfree_sensitive(connkeys);
10383 else if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
10384 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
10385 wdev_unlock(dev->ieee80211_ptr);
10390 static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info)
10392 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10393 struct net_device *dev = info->user_ptr[1];
10395 if (!rdev->ops->leave_ibss)
10396 return -EOPNOTSUPP;
10398 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
10399 return -EOPNOTSUPP;
10401 return cfg80211_leave_ibss(rdev, dev, false);
10404 static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info)
10406 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10407 struct net_device *dev = info->user_ptr[1];
10408 int mcast_rate[NUM_NL80211_BANDS];
10412 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
10413 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
10414 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB)
10415 return -EOPNOTSUPP;
10417 if (!rdev->ops->set_mcast_rate)
10418 return -EOPNOTSUPP;
10420 memset(mcast_rate, 0, sizeof(mcast_rate));
10422 if (!info->attrs[NL80211_ATTR_MCAST_RATE])
10425 nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]);
10426 if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate))
10429 err = rdev_set_mcast_rate(rdev, dev, mcast_rate);
10434 static struct sk_buff *
10435 __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev,
10436 struct wireless_dev *wdev, int approxlen,
10437 u32 portid, u32 seq, enum nl80211_commands cmd,
10438 enum nl80211_attrs attr,
10439 const struct nl80211_vendor_cmd_info *info,
10442 struct sk_buff *skb;
10444 struct nlattr *data;
10446 skb = nlmsg_new(approxlen + 100, gfp);
10450 hdr = nl80211hdr_put(skb, portid, seq, 0, cmd);
10456 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
10457 goto nla_put_failure;
10460 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_ID,
10462 goto nla_put_failure;
10463 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_SUBCMD,
10465 goto nla_put_failure;
10469 if (nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
10470 wdev_id(wdev), NL80211_ATTR_PAD))
10471 goto nla_put_failure;
10472 if (wdev->netdev &&
10473 nla_put_u32(skb, NL80211_ATTR_IFINDEX,
10474 wdev->netdev->ifindex))
10475 goto nla_put_failure;
10478 data = nla_nest_start_noflag(skb, attr);
10480 goto nla_put_failure;
10482 ((void **)skb->cb)[0] = rdev;
10483 ((void **)skb->cb)[1] = hdr;
10484 ((void **)skb->cb)[2] = data;
10493 struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy,
10494 struct wireless_dev *wdev,
10495 enum nl80211_commands cmd,
10496 enum nl80211_attrs attr,
10497 unsigned int portid,
10498 int vendor_event_idx,
10499 int approxlen, gfp_t gfp)
10501 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
10502 const struct nl80211_vendor_cmd_info *info;
10505 case NL80211_CMD_TESTMODE:
10506 if (WARN_ON(vendor_event_idx != -1))
10510 case NL80211_CMD_VENDOR:
10511 if (WARN_ON(vendor_event_idx < 0 ||
10512 vendor_event_idx >= wiphy->n_vendor_events))
10514 info = &wiphy->vendor_events[vendor_event_idx];
10521 return __cfg80211_alloc_vendor_skb(rdev, wdev, approxlen, portid, 0,
10522 cmd, attr, info, gfp);
10524 EXPORT_SYMBOL(__cfg80211_alloc_event_skb);
10526 void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp)
10528 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
10529 void *hdr = ((void **)skb->cb)[1];
10530 struct nlmsghdr *nlhdr = nlmsg_hdr(skb);
10531 struct nlattr *data = ((void **)skb->cb)[2];
10532 enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE;
10534 /* clear CB data for netlink core to own from now on */
10535 memset(skb->cb, 0, sizeof(skb->cb));
10537 nla_nest_end(skb, data);
10538 genlmsg_end(skb, hdr);
10540 if (nlhdr->nlmsg_pid) {
10541 genlmsg_unicast(wiphy_net(&rdev->wiphy), skb,
10544 if (data->nla_type == NL80211_ATTR_VENDOR_DATA)
10545 mcgrp = NL80211_MCGRP_VENDOR;
10547 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
10548 skb, 0, mcgrp, gfp);
10551 EXPORT_SYMBOL(__cfg80211_send_event_skb);
10553 #ifdef CONFIG_NL80211_TESTMODE
10554 static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info)
10556 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10557 struct wireless_dev *wdev;
10560 lockdep_assert_held(&rdev->wiphy.mtx);
10562 wdev = __cfg80211_wdev_from_attrs(rdev, genl_info_net(info),
10565 if (!rdev->ops->testmode_cmd)
10566 return -EOPNOTSUPP;
10568 if (IS_ERR(wdev)) {
10569 err = PTR_ERR(wdev);
10570 if (err != -EINVAL)
10573 } else if (wdev->wiphy != &rdev->wiphy) {
10577 if (!info->attrs[NL80211_ATTR_TESTDATA])
10580 rdev->cur_cmd_info = info;
10581 err = rdev_testmode_cmd(rdev, wdev,
10582 nla_data(info->attrs[NL80211_ATTR_TESTDATA]),
10583 nla_len(info->attrs[NL80211_ATTR_TESTDATA]));
10584 rdev->cur_cmd_info = NULL;
10589 static int nl80211_testmode_dump(struct sk_buff *skb,
10590 struct netlink_callback *cb)
10592 struct cfg80211_registered_device *rdev;
10593 struct nlattr **attrbuf = NULL;
10603 * 0 is a valid index, but not valid for args[0],
10604 * so we need to offset by 1.
10606 phy_idx = cb->args[0] - 1;
10608 rdev = cfg80211_rdev_by_wiphy_idx(phy_idx);
10614 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf),
10621 err = nlmsg_parse_deprecated(cb->nlh,
10622 GENL_HDRLEN + nl80211_fam.hdrsize,
10623 attrbuf, nl80211_fam.maxattr,
10624 nl80211_policy, NULL);
10628 rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
10629 if (IS_ERR(rdev)) {
10630 err = PTR_ERR(rdev);
10633 phy_idx = rdev->wiphy_idx;
10635 if (attrbuf[NL80211_ATTR_TESTDATA])
10636 cb->args[1] = (long)attrbuf[NL80211_ATTR_TESTDATA];
10640 data = nla_data((void *)cb->args[1]);
10641 data_len = nla_len((void *)cb->args[1]);
10644 if (!rdev->ops->testmode_dump) {
10650 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
10651 cb->nlh->nlmsg_seq, NLM_F_MULTI,
10652 NL80211_CMD_TESTMODE);
10653 struct nlattr *tmdata;
10658 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) {
10659 genlmsg_cancel(skb, hdr);
10663 tmdata = nla_nest_start_noflag(skb, NL80211_ATTR_TESTDATA);
10665 genlmsg_cancel(skb, hdr);
10668 err = rdev_testmode_dump(rdev, skb, cb, data, data_len);
10669 nla_nest_end(skb, tmdata);
10671 if (err == -ENOBUFS || err == -ENOENT) {
10672 genlmsg_cancel(skb, hdr);
10675 genlmsg_cancel(skb, hdr);
10679 genlmsg_end(skb, hdr);
10684 cb->args[0] = phy_idx + 1;
10692 static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
10694 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10695 struct net_device *dev = info->user_ptr[1];
10696 struct cfg80211_connect_params connect;
10697 struct wiphy *wiphy;
10698 struct cfg80211_cached_keys *connkeys = NULL;
10702 memset(&connect, 0, sizeof(connect));
10704 if (!info->attrs[NL80211_ATTR_SSID] ||
10705 !nla_len(info->attrs[NL80211_ATTR_SSID]))
10708 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
10709 connect.auth_type =
10710 nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
10711 if (!nl80211_valid_auth_type(rdev, connect.auth_type,
10712 NL80211_CMD_CONNECT))
10715 connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
10717 connect.privacy = info->attrs[NL80211_ATTR_PRIVACY];
10719 if (info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS] &&
10720 !wiphy_ext_feature_isset(&rdev->wiphy,
10721 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
10723 connect.want_1x = info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS];
10725 err = nl80211_crypto_settings(rdev, info, &connect.crypto,
10726 NL80211_MAX_NR_CIPHER_SUITES);
10730 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
10731 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10732 return -EOPNOTSUPP;
10734 wiphy = &rdev->wiphy;
10736 connect.bg_scan_period = -1;
10737 if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] &&
10738 (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) {
10739 connect.bg_scan_period =
10740 nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]);
10743 if (info->attrs[NL80211_ATTR_MAC])
10744 connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
10745 else if (info->attrs[NL80211_ATTR_MAC_HINT])
10746 connect.bssid_hint =
10747 nla_data(info->attrs[NL80211_ATTR_MAC_HINT]);
10748 connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
10749 connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
10751 if (info->attrs[NL80211_ATTR_IE]) {
10752 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10753 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
10756 if (info->attrs[NL80211_ATTR_USE_MFP]) {
10757 connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
10758 if (connect.mfp == NL80211_MFP_OPTIONAL &&
10759 !wiphy_ext_feature_isset(&rdev->wiphy,
10760 NL80211_EXT_FEATURE_MFP_OPTIONAL))
10761 return -EOPNOTSUPP;
10763 connect.mfp = NL80211_MFP_NO;
10766 if (info->attrs[NL80211_ATTR_PREV_BSSID])
10767 connect.prev_bssid =
10768 nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
10770 if (info->attrs[NL80211_ATTR_WIPHY_FREQ])
10771 freq = MHZ_TO_KHZ(nla_get_u32(
10772 info->attrs[NL80211_ATTR_WIPHY_FREQ]));
10773 if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
10775 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
10778 connect.channel = nl80211_get_valid_chan(wiphy, freq);
10779 if (!connect.channel)
10781 } else if (info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]) {
10782 freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]);
10783 freq = MHZ_TO_KHZ(freq);
10784 connect.channel_hint = nl80211_get_valid_chan(wiphy, freq);
10785 if (!connect.channel_hint)
10789 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]) {
10790 connect.edmg.channels =
10791 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]);
10793 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG])
10794 connect.edmg.bw_config =
10795 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG]);
10798 if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) {
10799 connkeys = nl80211_parse_connkeys(rdev, info, NULL);
10800 if (IS_ERR(connkeys))
10801 return PTR_ERR(connkeys);
10804 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
10805 connect.flags |= ASSOC_REQ_DISABLE_HT;
10807 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
10808 memcpy(&connect.ht_capa_mask,
10809 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
10810 sizeof(connect.ht_capa_mask));
10812 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
10813 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) {
10814 kfree_sensitive(connkeys);
10817 memcpy(&connect.ht_capa,
10818 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
10819 sizeof(connect.ht_capa));
10822 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
10823 connect.flags |= ASSOC_REQ_DISABLE_VHT;
10825 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HE]))
10826 connect.flags |= ASSOC_REQ_DISABLE_HE;
10828 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
10829 memcpy(&connect.vht_capa_mask,
10830 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
10831 sizeof(connect.vht_capa_mask));
10833 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
10834 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) {
10835 kfree_sensitive(connkeys);
10838 memcpy(&connect.vht_capa,
10839 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
10840 sizeof(connect.vht_capa));
10843 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
10844 if (!((rdev->wiphy.features &
10845 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
10846 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
10847 !wiphy_ext_feature_isset(&rdev->wiphy,
10848 NL80211_EXT_FEATURE_RRM)) {
10849 kfree_sensitive(connkeys);
10852 connect.flags |= ASSOC_REQ_USE_RRM;
10855 connect.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
10856 if (connect.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) {
10857 kfree_sensitive(connkeys);
10858 return -EOPNOTSUPP;
10861 if (info->attrs[NL80211_ATTR_BSS_SELECT]) {
10862 /* bss selection makes no sense if bssid is set */
10863 if (connect.bssid) {
10864 kfree_sensitive(connkeys);
10868 err = parse_bss_select(info->attrs[NL80211_ATTR_BSS_SELECT],
10869 wiphy, &connect.bss_select);
10871 kfree_sensitive(connkeys);
10876 if (wiphy_ext_feature_isset(&rdev->wiphy,
10877 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) &&
10878 info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] &&
10879 info->attrs[NL80211_ATTR_FILS_ERP_REALM] &&
10880 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] &&
10881 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
10882 connect.fils_erp_username =
10883 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
10884 connect.fils_erp_username_len =
10885 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
10886 connect.fils_erp_realm =
10887 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
10888 connect.fils_erp_realm_len =
10889 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
10890 connect.fils_erp_next_seq_num =
10892 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]);
10893 connect.fils_erp_rrk =
10894 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
10895 connect.fils_erp_rrk_len =
10896 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
10897 } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] ||
10898 info->attrs[NL80211_ATTR_FILS_ERP_REALM] ||
10899 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] ||
10900 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
10901 kfree_sensitive(connkeys);
10905 if (nla_get_flag(info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])) {
10906 if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
10907 kfree_sensitive(connkeys);
10908 GENL_SET_ERR_MSG(info,
10909 "external auth requires connection ownership");
10912 connect.flags |= CONNECT_REQ_EXTERNAL_AUTH_SUPPORT;
10915 wdev_lock(dev->ieee80211_ptr);
10917 err = cfg80211_connect(rdev, dev, &connect, connkeys,
10918 connect.prev_bssid);
10920 kfree_sensitive(connkeys);
10922 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
10923 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
10925 memcpy(dev->ieee80211_ptr->disconnect_bssid,
10926 connect.bssid, ETH_ALEN);
10928 eth_zero_addr(dev->ieee80211_ptr->disconnect_bssid);
10931 wdev_unlock(dev->ieee80211_ptr);
10936 static int nl80211_update_connect_params(struct sk_buff *skb,
10937 struct genl_info *info)
10939 struct cfg80211_connect_params connect = {};
10940 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10941 struct net_device *dev = info->user_ptr[1];
10942 struct wireless_dev *wdev = dev->ieee80211_ptr;
10943 bool fils_sk_offload;
10948 if (!rdev->ops->update_connect_params)
10949 return -EOPNOTSUPP;
10951 if (info->attrs[NL80211_ATTR_IE]) {
10952 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10953 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
10954 changed |= UPDATE_ASSOC_IES;
10957 fils_sk_offload = wiphy_ext_feature_isset(&rdev->wiphy,
10958 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD);
10961 * when driver supports fils-sk offload all attributes must be
10962 * provided. So the else covers "fils-sk-not-all" and
10963 * "no-fils-sk-any".
10965 if (fils_sk_offload &&
10966 info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] &&
10967 info->attrs[NL80211_ATTR_FILS_ERP_REALM] &&
10968 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] &&
10969 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
10970 connect.fils_erp_username =
10971 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
10972 connect.fils_erp_username_len =
10973 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
10974 connect.fils_erp_realm =
10975 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
10976 connect.fils_erp_realm_len =
10977 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
10978 connect.fils_erp_next_seq_num =
10980 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]);
10981 connect.fils_erp_rrk =
10982 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
10983 connect.fils_erp_rrk_len =
10984 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
10985 changed |= UPDATE_FILS_ERP_INFO;
10986 } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] ||
10987 info->attrs[NL80211_ATTR_FILS_ERP_REALM] ||
10988 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] ||
10989 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
10993 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
10994 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
10995 if (!nl80211_valid_auth_type(rdev, auth_type,
10996 NL80211_CMD_CONNECT))
10999 if (auth_type == NL80211_AUTHTYPE_FILS_SK &&
11000 fils_sk_offload && !(changed & UPDATE_FILS_ERP_INFO))
11003 connect.auth_type = auth_type;
11004 changed |= UPDATE_AUTH_TYPE;
11007 wdev_lock(dev->ieee80211_ptr);
11008 if (!wdev->current_bss)
11011 ret = rdev_update_connect_params(rdev, dev, &connect, changed);
11012 wdev_unlock(dev->ieee80211_ptr);
11017 static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
11019 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11020 struct net_device *dev = info->user_ptr[1];
11024 if (dev->ieee80211_ptr->conn_owner_nlportid &&
11025 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
11028 if (!info->attrs[NL80211_ATTR_REASON_CODE])
11029 reason = WLAN_REASON_DEAUTH_LEAVING;
11031 reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
11036 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
11037 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
11038 return -EOPNOTSUPP;
11040 wdev_lock(dev->ieee80211_ptr);
11041 ret = cfg80211_disconnect(rdev, dev, reason, true);
11042 wdev_unlock(dev->ieee80211_ptr);
11046 static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info)
11048 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11052 if (info->attrs[NL80211_ATTR_PID]) {
11053 u32 pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]);
11055 net = get_net_ns_by_pid(pid);
11056 } else if (info->attrs[NL80211_ATTR_NETNS_FD]) {
11057 u32 fd = nla_get_u32(info->attrs[NL80211_ATTR_NETNS_FD]);
11059 net = get_net_ns_by_fd(fd);
11065 return PTR_ERR(net);
11069 /* check if anything to do */
11070 if (!net_eq(wiphy_net(&rdev->wiphy), net))
11071 err = cfg80211_switch_netns(rdev, net);
11077 static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info)
11079 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11080 int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev,
11081 struct cfg80211_pmksa *pmksa) = NULL;
11082 struct net_device *dev = info->user_ptr[1];
11083 struct cfg80211_pmksa pmksa;
11085 memset(&pmksa, 0, sizeof(struct cfg80211_pmksa));
11087 if (!info->attrs[NL80211_ATTR_PMKID])
11090 pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
11092 if (info->attrs[NL80211_ATTR_MAC]) {
11093 pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
11094 } else if (info->attrs[NL80211_ATTR_SSID] &&
11095 info->attrs[NL80211_ATTR_FILS_CACHE_ID] &&
11096 (info->genlhdr->cmd == NL80211_CMD_DEL_PMKSA ||
11097 info->attrs[NL80211_ATTR_PMK])) {
11098 pmksa.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
11099 pmksa.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
11101 nla_data(info->attrs[NL80211_ATTR_FILS_CACHE_ID]);
11105 if (info->attrs[NL80211_ATTR_PMK]) {
11106 pmksa.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
11107 pmksa.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
11110 if (info->attrs[NL80211_ATTR_PMK_LIFETIME])
11111 pmksa.pmk_lifetime =
11112 nla_get_u32(info->attrs[NL80211_ATTR_PMK_LIFETIME]);
11114 if (info->attrs[NL80211_ATTR_PMK_REAUTH_THRESHOLD])
11115 pmksa.pmk_reauth_threshold =
11117 info->attrs[NL80211_ATTR_PMK_REAUTH_THRESHOLD]);
11119 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
11120 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT &&
11121 !(dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP &&
11122 wiphy_ext_feature_isset(&rdev->wiphy,
11123 NL80211_EXT_FEATURE_AP_PMKSA_CACHING)))
11124 return -EOPNOTSUPP;
11126 switch (info->genlhdr->cmd) {
11127 case NL80211_CMD_SET_PMKSA:
11128 rdev_ops = rdev->ops->set_pmksa;
11130 case NL80211_CMD_DEL_PMKSA:
11131 rdev_ops = rdev->ops->del_pmksa;
11139 return -EOPNOTSUPP;
11141 return rdev_ops(&rdev->wiphy, dev, &pmksa);
11144 static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info)
11146 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11147 struct net_device *dev = info->user_ptr[1];
11149 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
11150 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
11151 return -EOPNOTSUPP;
11153 if (!rdev->ops->flush_pmksa)
11154 return -EOPNOTSUPP;
11156 return rdev_flush_pmksa(rdev, dev);
11159 static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info)
11161 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11162 struct net_device *dev = info->user_ptr[1];
11163 u8 action_code, dialog_token;
11164 u32 peer_capability = 0;
11169 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
11170 !rdev->ops->tdls_mgmt)
11171 return -EOPNOTSUPP;
11173 if (!info->attrs[NL80211_ATTR_TDLS_ACTION] ||
11174 !info->attrs[NL80211_ATTR_STATUS_CODE] ||
11175 !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] ||
11176 !info->attrs[NL80211_ATTR_IE] ||
11177 !info->attrs[NL80211_ATTR_MAC])
11180 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
11181 action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]);
11182 status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
11183 dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]);
11184 initiator = nla_get_flag(info->attrs[NL80211_ATTR_TDLS_INITIATOR]);
11185 if (info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY])
11187 nla_get_u32(info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]);
11189 return rdev_tdls_mgmt(rdev, dev, peer, action_code,
11190 dialog_token, status_code, peer_capability,
11192 nla_data(info->attrs[NL80211_ATTR_IE]),
11193 nla_len(info->attrs[NL80211_ATTR_IE]));
11196 static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info)
11198 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11199 struct net_device *dev = info->user_ptr[1];
11200 enum nl80211_tdls_operation operation;
11203 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
11204 !rdev->ops->tdls_oper)
11205 return -EOPNOTSUPP;
11207 if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] ||
11208 !info->attrs[NL80211_ATTR_MAC])
11211 operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]);
11212 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
11214 return rdev_tdls_oper(rdev, dev, peer, operation);
11217 static int nl80211_remain_on_channel(struct sk_buff *skb,
11218 struct genl_info *info)
11220 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11221 struct wireless_dev *wdev = info->user_ptr[1];
11222 struct cfg80211_chan_def chandef;
11223 const struct cfg80211_chan_def *compat_chandef;
11224 struct sk_buff *msg;
11230 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
11231 !info->attrs[NL80211_ATTR_DURATION])
11234 duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
11236 if (!rdev->ops->remain_on_channel ||
11237 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL))
11238 return -EOPNOTSUPP;
11241 * We should be on that channel for at least a minimum amount of
11242 * time (10ms) but no longer than the driver supports.
11244 if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
11245 duration > rdev->wiphy.max_remain_on_channel_duration)
11248 err = nl80211_parse_chandef(rdev, info, &chandef);
11253 if (!cfg80211_off_channel_oper_allowed(wdev) &&
11254 !cfg80211_chandef_identical(&wdev->chandef, &chandef)) {
11255 compat_chandef = cfg80211_chandef_compatible(&wdev->chandef,
11257 if (compat_chandef != &chandef) {
11264 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
11268 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
11269 NL80211_CMD_REMAIN_ON_CHANNEL);
11275 err = rdev_remain_on_channel(rdev, wdev, chandef.chan,
11276 duration, &cookie);
11281 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
11283 goto nla_put_failure;
11285 genlmsg_end(msg, hdr);
11287 return genlmsg_reply(msg, info);
11296 static int nl80211_cancel_remain_on_channel(struct sk_buff *skb,
11297 struct genl_info *info)
11299 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11300 struct wireless_dev *wdev = info->user_ptr[1];
11303 if (!info->attrs[NL80211_ATTR_COOKIE])
11306 if (!rdev->ops->cancel_remain_on_channel)
11307 return -EOPNOTSUPP;
11309 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
11311 return rdev_cancel_remain_on_channel(rdev, wdev, cookie);
11314 static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
11315 struct genl_info *info)
11317 struct cfg80211_bitrate_mask mask;
11318 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11319 struct net_device *dev = info->user_ptr[1];
11322 if (!rdev->ops->set_bitrate_mask)
11323 return -EOPNOTSUPP;
11325 err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
11326 NL80211_ATTR_TX_RATES, &mask,
11331 return rdev_set_bitrate_mask(rdev, dev, NULL, &mask);
11334 static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
11336 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11337 struct wireless_dev *wdev = info->user_ptr[1];
11338 u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION;
11340 if (!info->attrs[NL80211_ATTR_FRAME_MATCH])
11343 if (info->attrs[NL80211_ATTR_FRAME_TYPE])
11344 frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]);
11346 switch (wdev->iftype) {
11347 case NL80211_IFTYPE_STATION:
11348 case NL80211_IFTYPE_ADHOC:
11349 case NL80211_IFTYPE_P2P_CLIENT:
11350 case NL80211_IFTYPE_AP:
11351 case NL80211_IFTYPE_AP_VLAN:
11352 case NL80211_IFTYPE_MESH_POINT:
11353 case NL80211_IFTYPE_P2P_GO:
11354 case NL80211_IFTYPE_P2P_DEVICE:
11356 case NL80211_IFTYPE_NAN:
11358 return -EOPNOTSUPP;
11361 /* not much point in registering if we can't reply */
11362 if (!rdev->ops->mgmt_tx)
11363 return -EOPNOTSUPP;
11365 if (info->attrs[NL80211_ATTR_RECEIVE_MULTICAST] &&
11366 !wiphy_ext_feature_isset(&rdev->wiphy,
11367 NL80211_EXT_FEATURE_MULTICAST_REGISTRATIONS)) {
11368 GENL_SET_ERR_MSG(info,
11369 "multicast RX registrations are not supported");
11370 return -EOPNOTSUPP;
11373 return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type,
11374 nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]),
11375 nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH]),
11376 info->attrs[NL80211_ATTR_RECEIVE_MULTICAST],
11380 static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
11382 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11383 struct wireless_dev *wdev = info->user_ptr[1];
11384 struct cfg80211_chan_def chandef;
11388 struct sk_buff *msg = NULL;
11389 struct cfg80211_mgmt_tx_params params = {
11390 .dont_wait_for_ack =
11391 info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK],
11394 if (!info->attrs[NL80211_ATTR_FRAME])
11397 if (!rdev->ops->mgmt_tx)
11398 return -EOPNOTSUPP;
11400 switch (wdev->iftype) {
11401 case NL80211_IFTYPE_P2P_DEVICE:
11402 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
11405 case NL80211_IFTYPE_STATION:
11406 case NL80211_IFTYPE_ADHOC:
11407 case NL80211_IFTYPE_P2P_CLIENT:
11408 case NL80211_IFTYPE_AP:
11409 case NL80211_IFTYPE_AP_VLAN:
11410 case NL80211_IFTYPE_MESH_POINT:
11411 case NL80211_IFTYPE_P2P_GO:
11413 case NL80211_IFTYPE_NAN:
11415 return -EOPNOTSUPP;
11418 if (info->attrs[NL80211_ATTR_DURATION]) {
11419 if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
11421 params.wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
11424 * We should wait on the channel for at least a minimum amount
11425 * of time (10ms) but no longer than the driver supports.
11427 if (params.wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
11428 params.wait > rdev->wiphy.max_remain_on_channel_duration)
11432 params.offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK];
11434 if (params.offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
11437 params.no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
11439 /* get the channel if any has been specified, otherwise pass NULL to
11440 * the driver. The latter will use the current one
11442 chandef.chan = NULL;
11443 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
11444 err = nl80211_parse_chandef(rdev, info, &chandef);
11449 if (!chandef.chan && params.offchan)
11453 if (params.offchan && !cfg80211_off_channel_oper_allowed(wdev)) {
11459 params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
11460 params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
11462 if (info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]) {
11463 int len = nla_len(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
11466 if (len % sizeof(u16))
11469 params.n_csa_offsets = len / sizeof(u16);
11470 params.csa_offsets =
11471 nla_data(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
11473 /* check that all the offsets fit the frame */
11474 for (i = 0; i < params.n_csa_offsets; i++) {
11475 if (params.csa_offsets[i] >= params.len)
11480 if (!params.dont_wait_for_ack) {
11481 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
11485 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
11486 NL80211_CMD_FRAME);
11493 params.chan = chandef.chan;
11494 err = cfg80211_mlme_mgmt_tx(rdev, wdev, ¶ms, &cookie);
11499 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
11501 goto nla_put_failure;
11503 genlmsg_end(msg, hdr);
11504 return genlmsg_reply(msg, info);
11516 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info)
11518 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11519 struct wireless_dev *wdev = info->user_ptr[1];
11522 if (!info->attrs[NL80211_ATTR_COOKIE])
11525 if (!rdev->ops->mgmt_tx_cancel_wait)
11526 return -EOPNOTSUPP;
11528 switch (wdev->iftype) {
11529 case NL80211_IFTYPE_STATION:
11530 case NL80211_IFTYPE_ADHOC:
11531 case NL80211_IFTYPE_P2P_CLIENT:
11532 case NL80211_IFTYPE_AP:
11533 case NL80211_IFTYPE_AP_VLAN:
11534 case NL80211_IFTYPE_P2P_GO:
11535 case NL80211_IFTYPE_P2P_DEVICE:
11537 case NL80211_IFTYPE_NAN:
11539 return -EOPNOTSUPP;
11542 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
11544 return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie);
11547 static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info)
11549 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11550 struct wireless_dev *wdev;
11551 struct net_device *dev = info->user_ptr[1];
11556 if (!info->attrs[NL80211_ATTR_PS_STATE])
11559 ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]);
11561 wdev = dev->ieee80211_ptr;
11563 if (!rdev->ops->set_power_mgmt)
11564 return -EOPNOTSUPP;
11566 state = (ps_state == NL80211_PS_ENABLED) ? true : false;
11568 if (state == wdev->ps)
11571 err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout);
11577 static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info)
11579 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11580 enum nl80211_ps_state ps_state;
11581 struct wireless_dev *wdev;
11582 struct net_device *dev = info->user_ptr[1];
11583 struct sk_buff *msg;
11587 wdev = dev->ieee80211_ptr;
11589 if (!rdev->ops->set_power_mgmt)
11590 return -EOPNOTSUPP;
11592 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
11596 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
11597 NL80211_CMD_GET_POWER_SAVE);
11604 ps_state = NL80211_PS_ENABLED;
11606 ps_state = NL80211_PS_DISABLED;
11608 if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state))
11609 goto nla_put_failure;
11611 genlmsg_end(msg, hdr);
11612 return genlmsg_reply(msg, info);
11621 static const struct nla_policy
11622 nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] = {
11623 [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_BINARY },
11624 [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 },
11625 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
11626 [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 },
11627 [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 },
11628 [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 },
11629 [NL80211_ATTR_CQM_RSSI_LEVEL] = { .type = NLA_S32 },
11632 static int nl80211_set_cqm_txe(struct genl_info *info,
11633 u32 rate, u32 pkts, u32 intvl)
11635 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11636 struct net_device *dev = info->user_ptr[1];
11637 struct wireless_dev *wdev = dev->ieee80211_ptr;
11639 if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL)
11642 if (!rdev->ops->set_cqm_txe_config)
11643 return -EOPNOTSUPP;
11645 if (wdev->iftype != NL80211_IFTYPE_STATION &&
11646 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
11647 return -EOPNOTSUPP;
11649 return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl);
11652 static int cfg80211_cqm_rssi_update(struct cfg80211_registered_device *rdev,
11653 struct net_device *dev)
11655 struct wireless_dev *wdev = dev->ieee80211_ptr;
11656 s32 last, low, high;
11658 int i, n, low_index;
11661 /* RSSI reporting disabled? */
11662 if (!wdev->cqm_config)
11663 return rdev_set_cqm_rssi_range_config(rdev, dev, 0, 0);
11666 * Obtain current RSSI value if possible, if not and no RSSI threshold
11667 * event has been received yet, we should receive an event after a
11668 * connection is established and enough beacons received to calculate
11671 if (!wdev->cqm_config->last_rssi_event_value && wdev->current_bss &&
11672 rdev->ops->get_station) {
11673 struct station_info sinfo = {};
11676 mac_addr = wdev->current_bss->pub.bssid;
11678 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
11682 cfg80211_sinfo_release_content(&sinfo);
11683 if (sinfo.filled & BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG))
11684 wdev->cqm_config->last_rssi_event_value =
11685 (s8) sinfo.rx_beacon_signal_avg;
11688 last = wdev->cqm_config->last_rssi_event_value;
11689 hyst = wdev->cqm_config->rssi_hyst;
11690 n = wdev->cqm_config->n_rssi_thresholds;
11692 for (i = 0; i < n; i++) {
11693 i = array_index_nospec(i, n);
11694 if (last < wdev->cqm_config->rssi_thresholds[i])
11699 if (low_index >= 0) {
11700 low_index = array_index_nospec(low_index, n);
11701 low = wdev->cqm_config->rssi_thresholds[low_index] - hyst;
11706 i = array_index_nospec(i, n);
11707 high = wdev->cqm_config->rssi_thresholds[i] + hyst - 1;
11712 return rdev_set_cqm_rssi_range_config(rdev, dev, low, high);
11715 static int nl80211_set_cqm_rssi(struct genl_info *info,
11716 const s32 *thresholds, int n_thresholds,
11719 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11720 struct net_device *dev = info->user_ptr[1];
11721 struct wireless_dev *wdev = dev->ieee80211_ptr;
11723 s32 prev = S32_MIN;
11725 /* Check all values negative and sorted */
11726 for (i = 0; i < n_thresholds; i++) {
11727 if (thresholds[i] > 0 || thresholds[i] <= prev)
11730 prev = thresholds[i];
11733 if (wdev->iftype != NL80211_IFTYPE_STATION &&
11734 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
11735 return -EOPNOTSUPP;
11738 cfg80211_cqm_config_free(wdev);
11741 if (n_thresholds <= 1 && rdev->ops->set_cqm_rssi_config) {
11742 if (n_thresholds == 0 || thresholds[0] == 0) /* Disabling */
11743 return rdev_set_cqm_rssi_config(rdev, dev, 0, 0);
11745 return rdev_set_cqm_rssi_config(rdev, dev,
11746 thresholds[0], hysteresis);
11749 if (!wiphy_ext_feature_isset(&rdev->wiphy,
11750 NL80211_EXT_FEATURE_CQM_RSSI_LIST))
11751 return -EOPNOTSUPP;
11753 if (n_thresholds == 1 && thresholds[0] == 0) /* Disabling */
11757 if (n_thresholds) {
11758 struct cfg80211_cqm_config *cqm_config;
11760 cqm_config = kzalloc(sizeof(struct cfg80211_cqm_config) +
11761 n_thresholds * sizeof(s32), GFP_KERNEL);
11767 cqm_config->rssi_hyst = hysteresis;
11768 cqm_config->n_rssi_thresholds = n_thresholds;
11769 memcpy(cqm_config->rssi_thresholds, thresholds,
11770 n_thresholds * sizeof(s32));
11772 wdev->cqm_config = cqm_config;
11775 err = cfg80211_cqm_rssi_update(rdev, dev);
11783 static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info)
11785 struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1];
11786 struct nlattr *cqm;
11789 cqm = info->attrs[NL80211_ATTR_CQM];
11793 err = nla_parse_nested_deprecated(attrs, NL80211_ATTR_CQM_MAX, cqm,
11794 nl80211_attr_cqm_policy,
11799 if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] &&
11800 attrs[NL80211_ATTR_CQM_RSSI_HYST]) {
11801 const s32 *thresholds =
11802 nla_data(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
11803 int len = nla_len(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
11804 u32 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]);
11809 return nl80211_set_cqm_rssi(info, thresholds, len / 4,
11813 if (attrs[NL80211_ATTR_CQM_TXE_RATE] &&
11814 attrs[NL80211_ATTR_CQM_TXE_PKTS] &&
11815 attrs[NL80211_ATTR_CQM_TXE_INTVL]) {
11816 u32 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]);
11817 u32 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]);
11818 u32 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]);
11820 return nl80211_set_cqm_txe(info, rate, pkts, intvl);
11826 static int nl80211_join_ocb(struct sk_buff *skb, struct genl_info *info)
11828 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11829 struct net_device *dev = info->user_ptr[1];
11830 struct ocb_setup setup = {};
11833 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
11837 return cfg80211_join_ocb(rdev, dev, &setup);
11840 static int nl80211_leave_ocb(struct sk_buff *skb, struct genl_info *info)
11842 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11843 struct net_device *dev = info->user_ptr[1];
11845 return cfg80211_leave_ocb(rdev, dev);
11848 static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info)
11850 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11851 struct net_device *dev = info->user_ptr[1];
11852 struct mesh_config cfg;
11853 struct mesh_setup setup;
11856 /* start with default */
11857 memcpy(&cfg, &default_mesh_config, sizeof(cfg));
11858 memcpy(&setup, &default_mesh_setup, sizeof(setup));
11860 if (info->attrs[NL80211_ATTR_MESH_CONFIG]) {
11861 /* and parse parameters if given */
11862 err = nl80211_parse_mesh_config(info, &cfg, NULL);
11867 if (!info->attrs[NL80211_ATTR_MESH_ID] ||
11868 !nla_len(info->attrs[NL80211_ATTR_MESH_ID]))
11871 setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]);
11872 setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
11874 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
11875 !nl80211_parse_mcast_rate(rdev, setup.mcast_rate,
11876 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
11879 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) {
11880 setup.beacon_interval =
11881 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
11883 err = cfg80211_validate_beacon_int(rdev,
11884 NL80211_IFTYPE_MESH_POINT,
11885 setup.beacon_interval);
11890 if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) {
11891 setup.dtim_period =
11892 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
11893 if (setup.dtim_period < 1 || setup.dtim_period > 100)
11897 if (info->attrs[NL80211_ATTR_MESH_SETUP]) {
11898 /* parse additional setup parameters if given */
11899 err = nl80211_parse_mesh_setup(info, &setup);
11904 if (setup.user_mpm)
11905 cfg.auto_open_plinks = false;
11907 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
11908 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
11912 /* __cfg80211_join_mesh() will sort it out */
11913 setup.chandef.chan = NULL;
11916 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
11917 u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
11919 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
11920 struct ieee80211_supported_band *sband;
11922 if (!setup.chandef.chan)
11925 sband = rdev->wiphy.bands[setup.chandef.chan->band];
11927 err = ieee80211_get_ratemask(sband, rates, n_rates,
11928 &setup.basic_rates);
11933 if (info->attrs[NL80211_ATTR_TX_RATES]) {
11934 err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
11935 NL80211_ATTR_TX_RATES,
11936 &setup.beacon_rate,
11941 if (!setup.chandef.chan)
11944 err = validate_beacon_tx_rate(rdev, setup.chandef.chan->band,
11945 &setup.beacon_rate);
11950 setup.userspace_handles_dfs =
11951 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
11953 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
11954 int r = validate_pae_over_nl80211(rdev, info);
11959 setup.control_port_over_nl80211 = true;
11962 wdev_lock(dev->ieee80211_ptr);
11963 err = __cfg80211_join_mesh(rdev, dev, &setup, &cfg);
11964 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER])
11965 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
11966 wdev_unlock(dev->ieee80211_ptr);
11971 static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info)
11973 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11974 struct net_device *dev = info->user_ptr[1];
11976 return cfg80211_leave_mesh(rdev, dev);
11980 static int nl80211_send_wowlan_patterns(struct sk_buff *msg,
11981 struct cfg80211_registered_device *rdev)
11983 struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config;
11984 struct nlattr *nl_pats, *nl_pat;
11987 if (!wowlan->n_patterns)
11990 nl_pats = nla_nest_start_noflag(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN);
11994 for (i = 0; i < wowlan->n_patterns; i++) {
11995 nl_pat = nla_nest_start_noflag(msg, i + 1);
11998 pat_len = wowlan->patterns[i].pattern_len;
11999 if (nla_put(msg, NL80211_PKTPAT_MASK, DIV_ROUND_UP(pat_len, 8),
12000 wowlan->patterns[i].mask) ||
12001 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
12002 wowlan->patterns[i].pattern) ||
12003 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
12004 wowlan->patterns[i].pkt_offset))
12006 nla_nest_end(msg, nl_pat);
12008 nla_nest_end(msg, nl_pats);
12013 static int nl80211_send_wowlan_tcp(struct sk_buff *msg,
12014 struct cfg80211_wowlan_tcp *tcp)
12016 struct nlattr *nl_tcp;
12021 nl_tcp = nla_nest_start_noflag(msg,
12022 NL80211_WOWLAN_TRIG_TCP_CONNECTION);
12026 if (nla_put_in_addr(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) ||
12027 nla_put_in_addr(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) ||
12028 nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) ||
12029 nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) ||
12030 nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) ||
12031 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
12032 tcp->payload_len, tcp->payload) ||
12033 nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
12034 tcp->data_interval) ||
12035 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
12036 tcp->wake_len, tcp->wake_data) ||
12037 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK,
12038 DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask))
12041 if (tcp->payload_seq.len &&
12042 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ,
12043 sizeof(tcp->payload_seq), &tcp->payload_seq))
12046 if (tcp->payload_tok.len &&
12047 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
12048 sizeof(tcp->payload_tok) + tcp->tokens_size,
12049 &tcp->payload_tok))
12052 nla_nest_end(msg, nl_tcp);
12057 static int nl80211_send_wowlan_nd(struct sk_buff *msg,
12058 struct cfg80211_sched_scan_request *req)
12060 struct nlattr *nd, *freqs, *matches, *match, *scan_plans, *scan_plan;
12066 nd = nla_nest_start_noflag(msg, NL80211_WOWLAN_TRIG_NET_DETECT);
12070 if (req->n_scan_plans == 1 &&
12071 nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_INTERVAL,
12072 req->scan_plans[0].interval * 1000))
12075 if (nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_DELAY, req->delay))
12078 if (req->relative_rssi_set) {
12079 struct nl80211_bss_select_rssi_adjust rssi_adjust;
12081 if (nla_put_s8(msg, NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI,
12082 req->relative_rssi))
12085 rssi_adjust.band = req->rssi_adjust.band;
12086 rssi_adjust.delta = req->rssi_adjust.delta;
12087 if (nla_put(msg, NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST,
12088 sizeof(rssi_adjust), &rssi_adjust))
12092 freqs = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_FREQUENCIES);
12096 for (i = 0; i < req->n_channels; i++) {
12097 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
12101 nla_nest_end(msg, freqs);
12103 if (req->n_match_sets) {
12104 matches = nla_nest_start_noflag(msg,
12105 NL80211_ATTR_SCHED_SCAN_MATCH);
12109 for (i = 0; i < req->n_match_sets; i++) {
12110 match = nla_nest_start_noflag(msg, i);
12114 if (nla_put(msg, NL80211_SCHED_SCAN_MATCH_ATTR_SSID,
12115 req->match_sets[i].ssid.ssid_len,
12116 req->match_sets[i].ssid.ssid))
12118 nla_nest_end(msg, match);
12120 nla_nest_end(msg, matches);
12123 scan_plans = nla_nest_start_noflag(msg, NL80211_ATTR_SCHED_SCAN_PLANS);
12127 for (i = 0; i < req->n_scan_plans; i++) {
12128 scan_plan = nla_nest_start_noflag(msg, i + 1);
12132 if (nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_INTERVAL,
12133 req->scan_plans[i].interval) ||
12134 (req->scan_plans[i].iterations &&
12135 nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_ITERATIONS,
12136 req->scan_plans[i].iterations)))
12138 nla_nest_end(msg, scan_plan);
12140 nla_nest_end(msg, scan_plans);
12142 nla_nest_end(msg, nd);
12147 static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info)
12149 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12150 struct sk_buff *msg;
12152 u32 size = NLMSG_DEFAULT_SIZE;
12154 if (!rdev->wiphy.wowlan)
12155 return -EOPNOTSUPP;
12157 if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) {
12158 /* adjust size to have room for all the data */
12159 size += rdev->wiphy.wowlan_config->tcp->tokens_size +
12160 rdev->wiphy.wowlan_config->tcp->payload_len +
12161 rdev->wiphy.wowlan_config->tcp->wake_len +
12162 rdev->wiphy.wowlan_config->tcp->wake_len / 8;
12165 msg = nlmsg_new(size, GFP_KERNEL);
12169 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12170 NL80211_CMD_GET_WOWLAN);
12172 goto nla_put_failure;
12174 if (rdev->wiphy.wowlan_config) {
12175 struct nlattr *nl_wowlan;
12177 nl_wowlan = nla_nest_start_noflag(msg,
12178 NL80211_ATTR_WOWLAN_TRIGGERS);
12180 goto nla_put_failure;
12182 if ((rdev->wiphy.wowlan_config->any &&
12183 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
12184 (rdev->wiphy.wowlan_config->disconnect &&
12185 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
12186 (rdev->wiphy.wowlan_config->magic_pkt &&
12187 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
12188 (rdev->wiphy.wowlan_config->gtk_rekey_failure &&
12189 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
12190 (rdev->wiphy.wowlan_config->eap_identity_req &&
12191 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
12192 (rdev->wiphy.wowlan_config->four_way_handshake &&
12193 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
12194 (rdev->wiphy.wowlan_config->rfkill_release &&
12195 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
12196 goto nla_put_failure;
12198 if (nl80211_send_wowlan_patterns(msg, rdev))
12199 goto nla_put_failure;
12201 if (nl80211_send_wowlan_tcp(msg,
12202 rdev->wiphy.wowlan_config->tcp))
12203 goto nla_put_failure;
12205 if (nl80211_send_wowlan_nd(
12207 rdev->wiphy.wowlan_config->nd_config))
12208 goto nla_put_failure;
12210 nla_nest_end(msg, nl_wowlan);
12213 genlmsg_end(msg, hdr);
12214 return genlmsg_reply(msg, info);
12221 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev,
12222 struct nlattr *attr,
12223 struct cfg80211_wowlan *trig)
12225 struct nlattr *tb[NUM_NL80211_WOWLAN_TCP];
12226 struct cfg80211_wowlan_tcp *cfg;
12227 struct nl80211_wowlan_tcp_data_token *tok = NULL;
12228 struct nl80211_wowlan_tcp_data_seq *seq = NULL;
12230 u32 data_size, wake_size, tokens_size = 0, wake_mask_size;
12233 if (!rdev->wiphy.wowlan->tcp)
12236 err = nla_parse_nested_deprecated(tb, MAX_NL80211_WOWLAN_TCP, attr,
12237 nl80211_wowlan_tcp_policy, NULL);
12241 if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] ||
12242 !tb[NL80211_WOWLAN_TCP_DST_IPV4] ||
12243 !tb[NL80211_WOWLAN_TCP_DST_MAC] ||
12244 !tb[NL80211_WOWLAN_TCP_DST_PORT] ||
12245 !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] ||
12246 !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] ||
12247 !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] ||
12248 !tb[NL80211_WOWLAN_TCP_WAKE_MASK])
12251 data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]);
12252 if (data_size > rdev->wiphy.wowlan->tcp->data_payload_max)
12255 if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) >
12256 rdev->wiphy.wowlan->tcp->data_interval_max ||
12257 nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0)
12260 wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]);
12261 if (wake_size > rdev->wiphy.wowlan->tcp->wake_payload_max)
12264 wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]);
12265 if (wake_mask_size != DIV_ROUND_UP(wake_size, 8))
12268 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) {
12269 u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
12271 tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
12272 tokens_size = tokln - sizeof(*tok);
12274 if (!tok->len || tokens_size % tok->len)
12276 if (!rdev->wiphy.wowlan->tcp->tok)
12278 if (tok->len > rdev->wiphy.wowlan->tcp->tok->max_len)
12280 if (tok->len < rdev->wiphy.wowlan->tcp->tok->min_len)
12282 if (tokens_size > rdev->wiphy.wowlan->tcp->tok->bufsize)
12284 if (tok->offset + tok->len > data_size)
12288 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) {
12289 seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]);
12290 if (!rdev->wiphy.wowlan->tcp->seq)
12292 if (seq->len == 0 || seq->len > 4)
12294 if (seq->len + seq->offset > data_size)
12298 size = sizeof(*cfg);
12300 size += wake_size + wake_mask_size;
12301 size += tokens_size;
12303 cfg = kzalloc(size, GFP_KERNEL);
12306 cfg->src = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_SRC_IPV4]);
12307 cfg->dst = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_DST_IPV4]);
12308 memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]),
12310 if (tb[NL80211_WOWLAN_TCP_SRC_PORT])
12311 port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]);
12315 /* allocate a socket and port for it and use it */
12316 err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM,
12317 IPPROTO_TCP, &cfg->sock, 1);
12322 if (inet_csk_get_port(cfg->sock->sk, port)) {
12323 sock_release(cfg->sock);
12325 return -EADDRINUSE;
12327 cfg->src_port = inet_sk(cfg->sock->sk)->inet_num;
12333 cfg->src_port = port;
12336 cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]);
12337 cfg->payload_len = data_size;
12338 cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size;
12339 memcpy((void *)cfg->payload,
12340 nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]),
12343 cfg->payload_seq = *seq;
12344 cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]);
12345 cfg->wake_len = wake_size;
12346 cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size;
12347 memcpy((void *)cfg->wake_data,
12348 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]),
12350 cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size +
12351 data_size + wake_size;
12352 memcpy((void *)cfg->wake_mask,
12353 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]),
12356 cfg->tokens_size = tokens_size;
12357 memcpy(&cfg->payload_tok, tok, sizeof(*tok) + tokens_size);
12365 static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device *rdev,
12366 const struct wiphy_wowlan_support *wowlan,
12367 struct nlattr *attr,
12368 struct cfg80211_wowlan *trig)
12370 struct nlattr **tb;
12373 tb = kcalloc(NUM_NL80211_ATTR, sizeof(*tb), GFP_KERNEL);
12377 if (!(wowlan->flags & WIPHY_WOWLAN_NET_DETECT)) {
12382 err = nla_parse_nested_deprecated(tb, NL80211_ATTR_MAX, attr,
12383 nl80211_policy, NULL);
12387 trig->nd_config = nl80211_parse_sched_scan(&rdev->wiphy, NULL, tb,
12388 wowlan->max_nd_match_sets);
12389 err = PTR_ERR_OR_ZERO(trig->nd_config);
12391 trig->nd_config = NULL;
12398 static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
12400 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12401 struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG];
12402 struct cfg80211_wowlan new_triggers = {};
12403 struct cfg80211_wowlan *ntrig;
12404 const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan;
12406 bool prev_enabled = rdev->wiphy.wowlan_config;
12407 bool regular = false;
12410 return -EOPNOTSUPP;
12412 if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) {
12413 cfg80211_rdev_free_wowlan(rdev);
12414 rdev->wiphy.wowlan_config = NULL;
12418 err = nla_parse_nested_deprecated(tb, MAX_NL80211_WOWLAN_TRIG,
12419 info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS],
12420 nl80211_wowlan_policy, info->extack);
12424 if (tb[NL80211_WOWLAN_TRIG_ANY]) {
12425 if (!(wowlan->flags & WIPHY_WOWLAN_ANY))
12427 new_triggers.any = true;
12430 if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) {
12431 if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT))
12433 new_triggers.disconnect = true;
12437 if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) {
12438 if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT))
12440 new_triggers.magic_pkt = true;
12444 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED])
12447 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) {
12448 if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE))
12450 new_triggers.gtk_rekey_failure = true;
12454 if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) {
12455 if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ))
12457 new_triggers.eap_identity_req = true;
12461 if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) {
12462 if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE))
12464 new_triggers.four_way_handshake = true;
12468 if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) {
12469 if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE))
12471 new_triggers.rfkill_release = true;
12475 if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) {
12476 struct nlattr *pat;
12477 int n_patterns = 0;
12478 int rem, pat_len, mask_len, pkt_offset;
12479 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
12483 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
12486 if (n_patterns > wowlan->n_patterns)
12489 new_triggers.patterns = kcalloc(n_patterns,
12490 sizeof(new_triggers.patterns[0]),
12492 if (!new_triggers.patterns)
12495 new_triggers.n_patterns = n_patterns;
12498 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
12502 err = nla_parse_nested_deprecated(pat_tb,
12503 MAX_NL80211_PKTPAT,
12505 nl80211_packet_pattern_policy,
12511 if (!pat_tb[NL80211_PKTPAT_MASK] ||
12512 !pat_tb[NL80211_PKTPAT_PATTERN])
12514 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
12515 mask_len = DIV_ROUND_UP(pat_len, 8);
12516 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
12518 if (pat_len > wowlan->pattern_max_len ||
12519 pat_len < wowlan->pattern_min_len)
12522 if (!pat_tb[NL80211_PKTPAT_OFFSET])
12525 pkt_offset = nla_get_u32(
12526 pat_tb[NL80211_PKTPAT_OFFSET]);
12527 if (pkt_offset > wowlan->max_pkt_offset)
12529 new_triggers.patterns[i].pkt_offset = pkt_offset;
12531 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
12536 new_triggers.patterns[i].mask = mask_pat;
12537 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
12539 mask_pat += mask_len;
12540 new_triggers.patterns[i].pattern = mask_pat;
12541 new_triggers.patterns[i].pattern_len = pat_len;
12543 nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
12549 if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) {
12551 err = nl80211_parse_wowlan_tcp(
12552 rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION],
12558 if (tb[NL80211_WOWLAN_TRIG_NET_DETECT]) {
12560 err = nl80211_parse_wowlan_nd(
12561 rdev, wowlan, tb[NL80211_WOWLAN_TRIG_NET_DETECT],
12567 /* The 'any' trigger means the device continues operating more or less
12568 * as in its normal operation mode and wakes up the host on most of the
12569 * normal interrupts (like packet RX, ...)
12570 * It therefore makes little sense to combine with the more constrained
12571 * wakeup trigger modes.
12573 if (new_triggers.any && regular) {
12578 ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL);
12583 cfg80211_rdev_free_wowlan(rdev);
12584 rdev->wiphy.wowlan_config = ntrig;
12587 if (rdev->ops->set_wakeup &&
12588 prev_enabled != !!rdev->wiphy.wowlan_config)
12589 rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config);
12593 for (i = 0; i < new_triggers.n_patterns; i++)
12594 kfree(new_triggers.patterns[i].mask);
12595 kfree(new_triggers.patterns);
12596 if (new_triggers.tcp && new_triggers.tcp->sock)
12597 sock_release(new_triggers.tcp->sock);
12598 kfree(new_triggers.tcp);
12599 kfree(new_triggers.nd_config);
12604 static int nl80211_send_coalesce_rules(struct sk_buff *msg,
12605 struct cfg80211_registered_device *rdev)
12607 struct nlattr *nl_pats, *nl_pat, *nl_rule, *nl_rules;
12609 struct cfg80211_coalesce_rules *rule;
12611 if (!rdev->coalesce->n_rules)
12614 nl_rules = nla_nest_start_noflag(msg, NL80211_ATTR_COALESCE_RULE);
12618 for (i = 0; i < rdev->coalesce->n_rules; i++) {
12619 nl_rule = nla_nest_start_noflag(msg, i + 1);
12623 rule = &rdev->coalesce->rules[i];
12624 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_DELAY,
12628 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_CONDITION,
12632 nl_pats = nla_nest_start_noflag(msg,
12633 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN);
12637 for (j = 0; j < rule->n_patterns; j++) {
12638 nl_pat = nla_nest_start_noflag(msg, j + 1);
12641 pat_len = rule->patterns[j].pattern_len;
12642 if (nla_put(msg, NL80211_PKTPAT_MASK,
12643 DIV_ROUND_UP(pat_len, 8),
12644 rule->patterns[j].mask) ||
12645 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
12646 rule->patterns[j].pattern) ||
12647 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
12648 rule->patterns[j].pkt_offset))
12650 nla_nest_end(msg, nl_pat);
12652 nla_nest_end(msg, nl_pats);
12653 nla_nest_end(msg, nl_rule);
12655 nla_nest_end(msg, nl_rules);
12660 static int nl80211_get_coalesce(struct sk_buff *skb, struct genl_info *info)
12662 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12663 struct sk_buff *msg;
12666 if (!rdev->wiphy.coalesce)
12667 return -EOPNOTSUPP;
12669 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12673 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12674 NL80211_CMD_GET_COALESCE);
12676 goto nla_put_failure;
12678 if (rdev->coalesce && nl80211_send_coalesce_rules(msg, rdev))
12679 goto nla_put_failure;
12681 genlmsg_end(msg, hdr);
12682 return genlmsg_reply(msg, info);
12689 void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev)
12691 struct cfg80211_coalesce *coalesce = rdev->coalesce;
12693 struct cfg80211_coalesce_rules *rule;
12698 for (i = 0; i < coalesce->n_rules; i++) {
12699 rule = &coalesce->rules[i];
12700 for (j = 0; j < rule->n_patterns; j++)
12701 kfree(rule->patterns[j].mask);
12702 kfree(rule->patterns);
12704 kfree(coalesce->rules);
12706 rdev->coalesce = NULL;
12709 static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev,
12710 struct nlattr *rule,
12711 struct cfg80211_coalesce_rules *new_rule)
12714 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
12715 struct nlattr *tb[NUM_NL80211_ATTR_COALESCE_RULE], *pat;
12716 int rem, pat_len, mask_len, pkt_offset, n_patterns = 0;
12717 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
12719 err = nla_parse_nested_deprecated(tb, NL80211_ATTR_COALESCE_RULE_MAX,
12720 rule, nl80211_coalesce_policy, NULL);
12724 if (tb[NL80211_ATTR_COALESCE_RULE_DELAY])
12726 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_DELAY]);
12727 if (new_rule->delay > coalesce->max_delay)
12730 if (tb[NL80211_ATTR_COALESCE_RULE_CONDITION])
12731 new_rule->condition =
12732 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_CONDITION]);
12734 if (!tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN])
12737 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
12740 if (n_patterns > coalesce->n_patterns)
12743 new_rule->patterns = kcalloc(n_patterns, sizeof(new_rule->patterns[0]),
12745 if (!new_rule->patterns)
12748 new_rule->n_patterns = n_patterns;
12751 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
12755 err = nla_parse_nested_deprecated(pat_tb, MAX_NL80211_PKTPAT,
12757 nl80211_packet_pattern_policy,
12762 if (!pat_tb[NL80211_PKTPAT_MASK] ||
12763 !pat_tb[NL80211_PKTPAT_PATTERN])
12765 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
12766 mask_len = DIV_ROUND_UP(pat_len, 8);
12767 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
12769 if (pat_len > coalesce->pattern_max_len ||
12770 pat_len < coalesce->pattern_min_len)
12773 if (!pat_tb[NL80211_PKTPAT_OFFSET])
12776 pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]);
12777 if (pkt_offset > coalesce->max_pkt_offset)
12779 new_rule->patterns[i].pkt_offset = pkt_offset;
12781 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
12785 new_rule->patterns[i].mask = mask_pat;
12786 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
12789 mask_pat += mask_len;
12790 new_rule->patterns[i].pattern = mask_pat;
12791 new_rule->patterns[i].pattern_len = pat_len;
12792 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
12800 static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info)
12802 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12803 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
12804 struct cfg80211_coalesce new_coalesce = {};
12805 struct cfg80211_coalesce *n_coalesce;
12806 int err, rem_rule, n_rules = 0, i, j;
12807 struct nlattr *rule;
12808 struct cfg80211_coalesce_rules *tmp_rule;
12810 if (!rdev->wiphy.coalesce || !rdev->ops->set_coalesce)
12811 return -EOPNOTSUPP;
12813 if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) {
12814 cfg80211_rdev_free_coalesce(rdev);
12815 rdev_set_coalesce(rdev, NULL);
12819 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
12822 if (n_rules > coalesce->n_rules)
12825 new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]),
12827 if (!new_coalesce.rules)
12830 new_coalesce.n_rules = n_rules;
12833 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
12835 err = nl80211_parse_coalesce_rule(rdev, rule,
12836 &new_coalesce.rules[i]);
12843 err = rdev_set_coalesce(rdev, &new_coalesce);
12847 n_coalesce = kmemdup(&new_coalesce, sizeof(new_coalesce), GFP_KERNEL);
12852 cfg80211_rdev_free_coalesce(rdev);
12853 rdev->coalesce = n_coalesce;
12857 for (i = 0; i < new_coalesce.n_rules; i++) {
12858 tmp_rule = &new_coalesce.rules[i];
12859 for (j = 0; j < tmp_rule->n_patterns; j++)
12860 kfree(tmp_rule->patterns[j].mask);
12861 kfree(tmp_rule->patterns);
12863 kfree(new_coalesce.rules);
12868 static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info)
12870 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12871 struct net_device *dev = info->user_ptr[1];
12872 struct wireless_dev *wdev = dev->ieee80211_ptr;
12873 struct nlattr *tb[NUM_NL80211_REKEY_DATA];
12874 struct cfg80211_gtk_rekey_data rekey_data = {};
12877 if (!info->attrs[NL80211_ATTR_REKEY_DATA])
12880 err = nla_parse_nested_deprecated(tb, MAX_NL80211_REKEY_DATA,
12881 info->attrs[NL80211_ATTR_REKEY_DATA],
12882 nl80211_rekey_policy, info->extack);
12886 if (!tb[NL80211_REKEY_DATA_REPLAY_CTR] || !tb[NL80211_REKEY_DATA_KEK] ||
12887 !tb[NL80211_REKEY_DATA_KCK])
12889 if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN &&
12890 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK &&
12891 nla_len(tb[NL80211_REKEY_DATA_KEK]) == NL80211_KEK_EXT_LEN))
12893 if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN &&
12894 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK &&
12895 nla_len(tb[NL80211_REKEY_DATA_KEK]) == NL80211_KCK_EXT_LEN))
12898 rekey_data.kek = nla_data(tb[NL80211_REKEY_DATA_KEK]);
12899 rekey_data.kck = nla_data(tb[NL80211_REKEY_DATA_KCK]);
12900 rekey_data.replay_ctr = nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]);
12901 rekey_data.kek_len = nla_len(tb[NL80211_REKEY_DATA_KEK]);
12902 rekey_data.kck_len = nla_len(tb[NL80211_REKEY_DATA_KCK]);
12903 if (tb[NL80211_REKEY_DATA_AKM])
12904 rekey_data.akm = nla_get_u32(tb[NL80211_REKEY_DATA_AKM]);
12907 if (!wdev->current_bss) {
12912 if (!rdev->ops->set_rekey_data) {
12917 err = rdev_set_rekey_data(rdev, dev, &rekey_data);
12923 static int nl80211_register_unexpected_frame(struct sk_buff *skb,
12924 struct genl_info *info)
12926 struct net_device *dev = info->user_ptr[1];
12927 struct wireless_dev *wdev = dev->ieee80211_ptr;
12929 if (wdev->iftype != NL80211_IFTYPE_AP &&
12930 wdev->iftype != NL80211_IFTYPE_P2P_GO)
12933 if (wdev->ap_unexpected_nlportid)
12936 wdev->ap_unexpected_nlportid = info->snd_portid;
12940 static int nl80211_probe_client(struct sk_buff *skb,
12941 struct genl_info *info)
12943 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12944 struct net_device *dev = info->user_ptr[1];
12945 struct wireless_dev *wdev = dev->ieee80211_ptr;
12946 struct sk_buff *msg;
12952 if (wdev->iftype != NL80211_IFTYPE_AP &&
12953 wdev->iftype != NL80211_IFTYPE_P2P_GO)
12954 return -EOPNOTSUPP;
12956 if (!info->attrs[NL80211_ATTR_MAC])
12959 if (!rdev->ops->probe_client)
12960 return -EOPNOTSUPP;
12962 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12966 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12967 NL80211_CMD_PROBE_CLIENT);
12973 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
12975 err = rdev_probe_client(rdev, dev, addr, &cookie);
12979 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
12981 goto nla_put_failure;
12983 genlmsg_end(msg, hdr);
12985 return genlmsg_reply(msg, info);
12994 static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info)
12996 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12997 struct cfg80211_beacon_registration *reg, *nreg;
13000 if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS))
13001 return -EOPNOTSUPP;
13003 nreg = kzalloc(sizeof(*nreg), GFP_KERNEL);
13007 /* First, check if already registered. */
13008 spin_lock_bh(&rdev->beacon_registrations_lock);
13009 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
13010 if (reg->nlportid == info->snd_portid) {
13015 /* Add it to the list */
13016 nreg->nlportid = info->snd_portid;
13017 list_add(&nreg->list, &rdev->beacon_registrations);
13019 spin_unlock_bh(&rdev->beacon_registrations_lock);
13023 spin_unlock_bh(&rdev->beacon_registrations_lock);
13028 static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info)
13030 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13031 struct wireless_dev *wdev = info->user_ptr[1];
13034 if (!rdev->ops->start_p2p_device)
13035 return -EOPNOTSUPP;
13037 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
13038 return -EOPNOTSUPP;
13040 if (wdev_running(wdev))
13043 if (rfkill_blocked(rdev->rfkill))
13046 err = rdev_start_p2p_device(rdev, wdev);
13050 wdev->is_running = true;
13056 static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info)
13058 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13059 struct wireless_dev *wdev = info->user_ptr[1];
13061 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
13062 return -EOPNOTSUPP;
13064 if (!rdev->ops->stop_p2p_device)
13065 return -EOPNOTSUPP;
13067 cfg80211_stop_p2p_device(rdev, wdev);
13072 static int nl80211_start_nan(struct sk_buff *skb, struct genl_info *info)
13074 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13075 struct wireless_dev *wdev = info->user_ptr[1];
13076 struct cfg80211_nan_conf conf = {};
13079 if (wdev->iftype != NL80211_IFTYPE_NAN)
13080 return -EOPNOTSUPP;
13082 if (wdev_running(wdev))
13085 if (rfkill_blocked(rdev->rfkill))
13088 if (!info->attrs[NL80211_ATTR_NAN_MASTER_PREF])
13092 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
13094 if (info->attrs[NL80211_ATTR_BANDS]) {
13095 u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]);
13097 if (bands & ~(u32)wdev->wiphy->nan_supported_bands)
13098 return -EOPNOTSUPP;
13100 if (bands && !(bands & BIT(NL80211_BAND_2GHZ)))
13103 conf.bands = bands;
13106 err = rdev_start_nan(rdev, wdev, &conf);
13110 wdev->is_running = true;
13116 static int nl80211_stop_nan(struct sk_buff *skb, struct genl_info *info)
13118 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13119 struct wireless_dev *wdev = info->user_ptr[1];
13121 if (wdev->iftype != NL80211_IFTYPE_NAN)
13122 return -EOPNOTSUPP;
13124 cfg80211_stop_nan(rdev, wdev);
13129 static int validate_nan_filter(struct nlattr *filter_attr)
13131 struct nlattr *attr;
13132 int len = 0, n_entries = 0, rem;
13134 nla_for_each_nested(attr, filter_attr, rem) {
13135 len += nla_len(attr);
13145 static int handle_nan_filter(struct nlattr *attr_filter,
13146 struct cfg80211_nan_func *func,
13149 struct nlattr *attr;
13150 int n_entries, rem, i;
13151 struct cfg80211_nan_func_filter *filter;
13153 n_entries = validate_nan_filter(attr_filter);
13157 BUILD_BUG_ON(sizeof(*func->rx_filters) != sizeof(*func->tx_filters));
13159 filter = kcalloc(n_entries, sizeof(*func->rx_filters), GFP_KERNEL);
13164 nla_for_each_nested(attr, attr_filter, rem) {
13165 filter[i].filter = nla_memdup(attr, GFP_KERNEL);
13166 filter[i].len = nla_len(attr);
13170 func->num_tx_filters = n_entries;
13171 func->tx_filters = filter;
13173 func->num_rx_filters = n_entries;
13174 func->rx_filters = filter;
13180 static int nl80211_nan_add_func(struct sk_buff *skb,
13181 struct genl_info *info)
13183 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13184 struct wireless_dev *wdev = info->user_ptr[1];
13185 struct nlattr *tb[NUM_NL80211_NAN_FUNC_ATTR], *func_attr;
13186 struct cfg80211_nan_func *func;
13187 struct sk_buff *msg = NULL;
13191 if (wdev->iftype != NL80211_IFTYPE_NAN)
13192 return -EOPNOTSUPP;
13194 if (!wdev_running(wdev))
13197 if (!info->attrs[NL80211_ATTR_NAN_FUNC])
13200 err = nla_parse_nested_deprecated(tb, NL80211_NAN_FUNC_ATTR_MAX,
13201 info->attrs[NL80211_ATTR_NAN_FUNC],
13202 nl80211_nan_func_policy,
13207 func = kzalloc(sizeof(*func), GFP_KERNEL);
13211 func->cookie = cfg80211_assign_cookie(rdev);
13213 if (!tb[NL80211_NAN_FUNC_TYPE]) {
13219 func->type = nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]);
13221 if (!tb[NL80211_NAN_FUNC_SERVICE_ID]) {
13226 memcpy(func->service_id, nla_data(tb[NL80211_NAN_FUNC_SERVICE_ID]),
13227 sizeof(func->service_id));
13229 func->close_range =
13230 nla_get_flag(tb[NL80211_NAN_FUNC_CLOSE_RANGE]);
13232 if (tb[NL80211_NAN_FUNC_SERVICE_INFO]) {
13233 func->serv_spec_info_len =
13234 nla_len(tb[NL80211_NAN_FUNC_SERVICE_INFO]);
13235 func->serv_spec_info =
13236 kmemdup(nla_data(tb[NL80211_NAN_FUNC_SERVICE_INFO]),
13237 func->serv_spec_info_len,
13239 if (!func->serv_spec_info) {
13245 if (tb[NL80211_NAN_FUNC_TTL])
13246 func->ttl = nla_get_u32(tb[NL80211_NAN_FUNC_TTL]);
13248 switch (func->type) {
13249 case NL80211_NAN_FUNC_PUBLISH:
13250 if (!tb[NL80211_NAN_FUNC_PUBLISH_TYPE]) {
13255 func->publish_type =
13256 nla_get_u8(tb[NL80211_NAN_FUNC_PUBLISH_TYPE]);
13257 func->publish_bcast =
13258 nla_get_flag(tb[NL80211_NAN_FUNC_PUBLISH_BCAST]);
13260 if ((!(func->publish_type & NL80211_NAN_SOLICITED_PUBLISH)) &&
13261 func->publish_bcast) {
13266 case NL80211_NAN_FUNC_SUBSCRIBE:
13267 func->subscribe_active =
13268 nla_get_flag(tb[NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE]);
13270 case NL80211_NAN_FUNC_FOLLOW_UP:
13271 if (!tb[NL80211_NAN_FUNC_FOLLOW_UP_ID] ||
13272 !tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] ||
13273 !tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]) {
13278 func->followup_id =
13279 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_ID]);
13280 func->followup_reqid =
13281 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID]);
13282 memcpy(func->followup_dest.addr,
13283 nla_data(tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]),
13284 sizeof(func->followup_dest.addr));
13295 if (tb[NL80211_NAN_FUNC_SRF]) {
13296 struct nlattr *srf_tb[NUM_NL80211_NAN_SRF_ATTR];
13298 err = nla_parse_nested_deprecated(srf_tb,
13299 NL80211_NAN_SRF_ATTR_MAX,
13300 tb[NL80211_NAN_FUNC_SRF],
13301 nl80211_nan_srf_policy,
13306 func->srf_include =
13307 nla_get_flag(srf_tb[NL80211_NAN_SRF_INCLUDE]);
13309 if (srf_tb[NL80211_NAN_SRF_BF]) {
13310 if (srf_tb[NL80211_NAN_SRF_MAC_ADDRS] ||
13311 !srf_tb[NL80211_NAN_SRF_BF_IDX]) {
13317 nla_len(srf_tb[NL80211_NAN_SRF_BF]);
13319 kmemdup(nla_data(srf_tb[NL80211_NAN_SRF_BF]),
13320 func->srf_bf_len, GFP_KERNEL);
13321 if (!func->srf_bf) {
13327 nla_get_u8(srf_tb[NL80211_NAN_SRF_BF_IDX]);
13329 struct nlattr *attr, *mac_attr =
13330 srf_tb[NL80211_NAN_SRF_MAC_ADDRS];
13331 int n_entries, rem, i = 0;
13338 n_entries = validate_acl_mac_addrs(mac_attr);
13339 if (n_entries <= 0) {
13344 func->srf_num_macs = n_entries;
13346 kcalloc(n_entries, sizeof(*func->srf_macs),
13348 if (!func->srf_macs) {
13353 nla_for_each_nested(attr, mac_attr, rem)
13354 memcpy(func->srf_macs[i++].addr, nla_data(attr),
13355 sizeof(*func->srf_macs));
13359 if (tb[NL80211_NAN_FUNC_TX_MATCH_FILTER]) {
13360 err = handle_nan_filter(tb[NL80211_NAN_FUNC_TX_MATCH_FILTER],
13366 if (tb[NL80211_NAN_FUNC_RX_MATCH_FILTER]) {
13367 err = handle_nan_filter(tb[NL80211_NAN_FUNC_RX_MATCH_FILTER],
13373 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
13379 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
13380 NL80211_CMD_ADD_NAN_FUNCTION);
13381 /* This can't really happen - we just allocated 4KB */
13382 if (WARN_ON(!hdr)) {
13387 err = rdev_add_nan_func(rdev, wdev, func);
13390 cfg80211_free_nan_func(func);
13395 /* propagate the instance id and cookie to userspace */
13396 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, func->cookie,
13398 goto nla_put_failure;
13400 func_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_FUNC);
13402 goto nla_put_failure;
13404 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID,
13405 func->instance_id))
13406 goto nla_put_failure;
13408 nla_nest_end(msg, func_attr);
13410 genlmsg_end(msg, hdr);
13411 return genlmsg_reply(msg, info);
13418 static int nl80211_nan_del_func(struct sk_buff *skb,
13419 struct genl_info *info)
13421 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13422 struct wireless_dev *wdev = info->user_ptr[1];
13425 if (wdev->iftype != NL80211_IFTYPE_NAN)
13426 return -EOPNOTSUPP;
13428 if (!wdev_running(wdev))
13431 if (!info->attrs[NL80211_ATTR_COOKIE])
13434 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
13436 rdev_del_nan_func(rdev, wdev, cookie);
13441 static int nl80211_nan_change_config(struct sk_buff *skb,
13442 struct genl_info *info)
13444 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13445 struct wireless_dev *wdev = info->user_ptr[1];
13446 struct cfg80211_nan_conf conf = {};
13449 if (wdev->iftype != NL80211_IFTYPE_NAN)
13450 return -EOPNOTSUPP;
13452 if (!wdev_running(wdev))
13455 if (info->attrs[NL80211_ATTR_NAN_MASTER_PREF]) {
13457 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
13458 if (conf.master_pref <= 1 || conf.master_pref == 255)
13461 changed |= CFG80211_NAN_CONF_CHANGED_PREF;
13464 if (info->attrs[NL80211_ATTR_BANDS]) {
13465 u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]);
13467 if (bands & ~(u32)wdev->wiphy->nan_supported_bands)
13468 return -EOPNOTSUPP;
13470 if (bands && !(bands & BIT(NL80211_BAND_2GHZ)))
13473 conf.bands = bands;
13474 changed |= CFG80211_NAN_CONF_CHANGED_BANDS;
13480 return rdev_nan_change_conf(rdev, wdev, &conf, changed);
13483 void cfg80211_nan_match(struct wireless_dev *wdev,
13484 struct cfg80211_nan_match_params *match, gfp_t gfp)
13486 struct wiphy *wiphy = wdev->wiphy;
13487 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
13488 struct nlattr *match_attr, *local_func_attr, *peer_func_attr;
13489 struct sk_buff *msg;
13492 if (WARN_ON(!match->inst_id || !match->peer_inst_id || !match->addr))
13495 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
13499 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NAN_MATCH);
13505 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13506 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
13507 wdev->netdev->ifindex)) ||
13508 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
13510 goto nla_put_failure;
13512 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, match->cookie,
13513 NL80211_ATTR_PAD) ||
13514 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, match->addr))
13515 goto nla_put_failure;
13517 match_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_MATCH);
13519 goto nla_put_failure;
13521 local_func_attr = nla_nest_start_noflag(msg,
13522 NL80211_NAN_MATCH_FUNC_LOCAL);
13523 if (!local_func_attr)
13524 goto nla_put_failure;
13526 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->inst_id))
13527 goto nla_put_failure;
13529 nla_nest_end(msg, local_func_attr);
13531 peer_func_attr = nla_nest_start_noflag(msg,
13532 NL80211_NAN_MATCH_FUNC_PEER);
13533 if (!peer_func_attr)
13534 goto nla_put_failure;
13536 if (nla_put_u8(msg, NL80211_NAN_FUNC_TYPE, match->type) ||
13537 nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->peer_inst_id))
13538 goto nla_put_failure;
13540 if (match->info && match->info_len &&
13541 nla_put(msg, NL80211_NAN_FUNC_SERVICE_INFO, match->info_len,
13543 goto nla_put_failure;
13545 nla_nest_end(msg, peer_func_attr);
13546 nla_nest_end(msg, match_attr);
13547 genlmsg_end(msg, hdr);
13549 if (!wdev->owner_nlportid)
13550 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
13551 msg, 0, NL80211_MCGRP_NAN, gfp);
13553 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
13554 wdev->owner_nlportid);
13561 EXPORT_SYMBOL(cfg80211_nan_match);
13563 void cfg80211_nan_func_terminated(struct wireless_dev *wdev,
13565 enum nl80211_nan_func_term_reason reason,
13566 u64 cookie, gfp_t gfp)
13568 struct wiphy *wiphy = wdev->wiphy;
13569 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
13570 struct sk_buff *msg;
13571 struct nlattr *func_attr;
13574 if (WARN_ON(!inst_id))
13577 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
13581 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_NAN_FUNCTION);
13587 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13588 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
13589 wdev->netdev->ifindex)) ||
13590 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
13592 goto nla_put_failure;
13594 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
13596 goto nla_put_failure;
13598 func_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_FUNC);
13600 goto nla_put_failure;
13602 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, inst_id) ||
13603 nla_put_u8(msg, NL80211_NAN_FUNC_TERM_REASON, reason))
13604 goto nla_put_failure;
13606 nla_nest_end(msg, func_attr);
13607 genlmsg_end(msg, hdr);
13609 if (!wdev->owner_nlportid)
13610 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
13611 msg, 0, NL80211_MCGRP_NAN, gfp);
13613 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
13614 wdev->owner_nlportid);
13621 EXPORT_SYMBOL(cfg80211_nan_func_terminated);
13623 static int nl80211_get_protocol_features(struct sk_buff *skb,
13624 struct genl_info *info)
13627 struct sk_buff *msg;
13629 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
13633 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
13634 NL80211_CMD_GET_PROTOCOL_FEATURES);
13636 goto nla_put_failure;
13638 if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES,
13639 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP))
13640 goto nla_put_failure;
13642 genlmsg_end(msg, hdr);
13643 return genlmsg_reply(msg, info);
13650 static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info)
13652 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13653 struct cfg80211_update_ft_ies_params ft_params;
13654 struct net_device *dev = info->user_ptr[1];
13656 if (!rdev->ops->update_ft_ies)
13657 return -EOPNOTSUPP;
13659 if (!info->attrs[NL80211_ATTR_MDID] ||
13660 !info->attrs[NL80211_ATTR_IE])
13663 memset(&ft_params, 0, sizeof(ft_params));
13664 ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]);
13665 ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
13666 ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
13668 return rdev_update_ft_ies(rdev, dev, &ft_params);
13671 static int nl80211_crit_protocol_start(struct sk_buff *skb,
13672 struct genl_info *info)
13674 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13675 struct wireless_dev *wdev = info->user_ptr[1];
13676 enum nl80211_crit_proto_id proto = NL80211_CRIT_PROTO_UNSPEC;
13680 if (!rdev->ops->crit_proto_start)
13681 return -EOPNOTSUPP;
13683 if (WARN_ON(!rdev->ops->crit_proto_stop))
13686 if (rdev->crit_proto_nlportid)
13689 /* determine protocol if provided */
13690 if (info->attrs[NL80211_ATTR_CRIT_PROT_ID])
13691 proto = nla_get_u16(info->attrs[NL80211_ATTR_CRIT_PROT_ID]);
13693 if (proto >= NUM_NL80211_CRIT_PROTO)
13696 /* timeout must be provided */
13697 if (!info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION])
13701 nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]);
13703 ret = rdev_crit_proto_start(rdev, wdev, proto, duration);
13705 rdev->crit_proto_nlportid = info->snd_portid;
13710 static int nl80211_crit_protocol_stop(struct sk_buff *skb,
13711 struct genl_info *info)
13713 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13714 struct wireless_dev *wdev = info->user_ptr[1];
13716 if (!rdev->ops->crit_proto_stop)
13717 return -EOPNOTSUPP;
13719 if (rdev->crit_proto_nlportid) {
13720 rdev->crit_proto_nlportid = 0;
13721 rdev_crit_proto_stop(rdev, wdev);
13726 static int nl80211_vendor_check_policy(const struct wiphy_vendor_command *vcmd,
13727 struct nlattr *attr,
13728 struct netlink_ext_ack *extack)
13730 if (vcmd->policy == VENDOR_CMD_RAW_DATA) {
13731 if (attr->nla_type & NLA_F_NESTED) {
13732 NL_SET_ERR_MSG_ATTR(extack, attr,
13733 "unexpected nested data");
13740 if (!(attr->nla_type & NLA_F_NESTED)) {
13741 NL_SET_ERR_MSG_ATTR(extack, attr, "expected nested data");
13745 return nla_validate_nested(attr, vcmd->maxattr, vcmd->policy, extack);
13748 static int nl80211_vendor_cmd(struct sk_buff *skb, struct genl_info *info)
13750 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13751 struct wireless_dev *wdev =
13752 __cfg80211_wdev_from_attrs(rdev, genl_info_net(info),
13757 if (!rdev->wiphy.vendor_commands)
13758 return -EOPNOTSUPP;
13760 if (IS_ERR(wdev)) {
13761 err = PTR_ERR(wdev);
13762 if (err != -EINVAL)
13765 } else if (wdev->wiphy != &rdev->wiphy) {
13769 if (!info->attrs[NL80211_ATTR_VENDOR_ID] ||
13770 !info->attrs[NL80211_ATTR_VENDOR_SUBCMD])
13773 vid = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_ID]);
13774 subcmd = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_SUBCMD]);
13775 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
13776 const struct wiphy_vendor_command *vcmd;
13780 vcmd = &rdev->wiphy.vendor_commands[i];
13782 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
13785 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
13786 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
13789 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
13793 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
13794 if (!wdev_running(wdev))
13802 return -EOPNOTSUPP;
13804 if (info->attrs[NL80211_ATTR_VENDOR_DATA]) {
13805 data = nla_data(info->attrs[NL80211_ATTR_VENDOR_DATA]);
13806 len = nla_len(info->attrs[NL80211_ATTR_VENDOR_DATA]);
13808 err = nl80211_vendor_check_policy(vcmd,
13809 info->attrs[NL80211_ATTR_VENDOR_DATA],
13815 rdev->cur_cmd_info = info;
13816 err = vcmd->doit(&rdev->wiphy, wdev, data, len);
13817 rdev->cur_cmd_info = NULL;
13821 return -EOPNOTSUPP;
13824 static int nl80211_prepare_vendor_dump(struct sk_buff *skb,
13825 struct netlink_callback *cb,
13826 struct cfg80211_registered_device **rdev,
13827 struct wireless_dev **wdev)
13829 struct nlattr **attrbuf;
13835 unsigned int data_len = 0;
13838 /* subtract the 1 again here */
13839 struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
13840 struct wireless_dev *tmp;
13844 *rdev = wiphy_to_rdev(wiphy);
13848 list_for_each_entry(tmp, &wiphy->wdev_list, list) {
13849 if (tmp->identifier == cb->args[1] - 1) {
13856 /* keep rtnl locked in successful case */
13860 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf), GFP_KERNEL);
13864 err = nlmsg_parse_deprecated(cb->nlh,
13865 GENL_HDRLEN + nl80211_fam.hdrsize,
13866 attrbuf, nl80211_fam.maxattr,
13867 nl80211_policy, NULL);
13871 if (!attrbuf[NL80211_ATTR_VENDOR_ID] ||
13872 !attrbuf[NL80211_ATTR_VENDOR_SUBCMD]) {
13877 *wdev = __cfg80211_wdev_from_attrs(NULL, sock_net(skb->sk), attrbuf);
13881 *rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
13882 if (IS_ERR(*rdev)) {
13883 err = PTR_ERR(*rdev);
13887 vid = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_ID]);
13888 subcmd = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_SUBCMD]);
13890 for (i = 0; i < (*rdev)->wiphy.n_vendor_commands; i++) {
13891 const struct wiphy_vendor_command *vcmd;
13893 vcmd = &(*rdev)->wiphy.vendor_commands[i];
13895 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
13898 if (!vcmd->dumpit) {
13907 if (vcmd_idx < 0) {
13912 if (attrbuf[NL80211_ATTR_VENDOR_DATA]) {
13913 data = nla_data(attrbuf[NL80211_ATTR_VENDOR_DATA]);
13914 data_len = nla_len(attrbuf[NL80211_ATTR_VENDOR_DATA]);
13916 err = nl80211_vendor_check_policy(
13917 &(*rdev)->wiphy.vendor_commands[vcmd_idx],
13918 attrbuf[NL80211_ATTR_VENDOR_DATA],
13924 /* 0 is the first index - add 1 to parse only once */
13925 cb->args[0] = (*rdev)->wiphy_idx + 1;
13926 /* add 1 to know if it was NULL */
13927 cb->args[1] = *wdev ? (*wdev)->identifier + 1 : 0;
13928 cb->args[2] = vcmd_idx;
13929 cb->args[3] = (unsigned long)data;
13930 cb->args[4] = data_len;
13932 /* keep rtnl locked in successful case */
13939 static int nl80211_vendor_cmd_dump(struct sk_buff *skb,
13940 struct netlink_callback *cb)
13942 struct cfg80211_registered_device *rdev;
13943 struct wireless_dev *wdev;
13944 unsigned int vcmd_idx;
13945 const struct wiphy_vendor_command *vcmd;
13949 struct nlattr *vendor_data;
13952 err = nl80211_prepare_vendor_dump(skb, cb, &rdev, &wdev);
13956 vcmd_idx = cb->args[2];
13957 data = (void *)cb->args[3];
13958 data_len = cb->args[4];
13959 vcmd = &rdev->wiphy.vendor_commands[vcmd_idx];
13961 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
13962 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
13967 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
13973 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
13974 if (!wdev_running(wdev)) {
13982 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
13983 cb->nlh->nlmsg_seq, NLM_F_MULTI,
13984 NL80211_CMD_VENDOR);
13988 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13989 (wdev && nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
13991 NL80211_ATTR_PAD))) {
13992 genlmsg_cancel(skb, hdr);
13996 vendor_data = nla_nest_start_noflag(skb,
13997 NL80211_ATTR_VENDOR_DATA);
13998 if (!vendor_data) {
13999 genlmsg_cancel(skb, hdr);
14003 err = vcmd->dumpit(&rdev->wiphy, wdev, skb, data, data_len,
14004 (unsigned long *)&cb->args[5]);
14005 nla_nest_end(skb, vendor_data);
14007 if (err == -ENOBUFS || err == -ENOENT) {
14008 genlmsg_cancel(skb, hdr);
14010 } else if (err <= 0) {
14011 genlmsg_cancel(skb, hdr);
14015 genlmsg_end(skb, hdr);
14024 struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy,
14025 enum nl80211_commands cmd,
14026 enum nl80211_attrs attr,
14029 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
14031 if (WARN_ON(!rdev->cur_cmd_info))
14034 return __cfg80211_alloc_vendor_skb(rdev, NULL, approxlen,
14035 rdev->cur_cmd_info->snd_portid,
14036 rdev->cur_cmd_info->snd_seq,
14037 cmd, attr, NULL, GFP_KERNEL);
14039 EXPORT_SYMBOL(__cfg80211_alloc_reply_skb);
14041 int cfg80211_vendor_cmd_reply(struct sk_buff *skb)
14043 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
14044 void *hdr = ((void **)skb->cb)[1];
14045 struct nlattr *data = ((void **)skb->cb)[2];
14047 /* clear CB data for netlink core to own from now on */
14048 memset(skb->cb, 0, sizeof(skb->cb));
14050 if (WARN_ON(!rdev->cur_cmd_info)) {
14055 nla_nest_end(skb, data);
14056 genlmsg_end(skb, hdr);
14057 return genlmsg_reply(skb, rdev->cur_cmd_info);
14059 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply);
14061 unsigned int cfg80211_vendor_cmd_get_sender(struct wiphy *wiphy)
14063 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
14065 if (WARN_ON(!rdev->cur_cmd_info))
14068 return rdev->cur_cmd_info->snd_portid;
14070 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_get_sender);
14072 static int nl80211_set_qos_map(struct sk_buff *skb,
14073 struct genl_info *info)
14075 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14076 struct cfg80211_qos_map *qos_map = NULL;
14077 struct net_device *dev = info->user_ptr[1];
14078 u8 *pos, len, num_des, des_len, des;
14081 if (!rdev->ops->set_qos_map)
14082 return -EOPNOTSUPP;
14084 if (info->attrs[NL80211_ATTR_QOS_MAP]) {
14085 pos = nla_data(info->attrs[NL80211_ATTR_QOS_MAP]);
14086 len = nla_len(info->attrs[NL80211_ATTR_QOS_MAP]);
14091 qos_map = kzalloc(sizeof(struct cfg80211_qos_map), GFP_KERNEL);
14095 num_des = (len - IEEE80211_QOS_MAP_LEN_MIN) >> 1;
14097 des_len = num_des *
14098 sizeof(struct cfg80211_dscp_exception);
14099 memcpy(qos_map->dscp_exception, pos, des_len);
14100 qos_map->num_des = num_des;
14101 for (des = 0; des < num_des; des++) {
14102 if (qos_map->dscp_exception[des].up > 7) {
14109 memcpy(qos_map->up, pos, IEEE80211_QOS_MAP_LEN_MIN);
14112 wdev_lock(dev->ieee80211_ptr);
14113 ret = nl80211_key_allowed(dev->ieee80211_ptr);
14115 ret = rdev_set_qos_map(rdev, dev, qos_map);
14116 wdev_unlock(dev->ieee80211_ptr);
14122 static int nl80211_add_tx_ts(struct sk_buff *skb, struct genl_info *info)
14124 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14125 struct net_device *dev = info->user_ptr[1];
14126 struct wireless_dev *wdev = dev->ieee80211_ptr;
14129 u16 admitted_time = 0;
14132 if (!(rdev->wiphy.features & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION))
14133 return -EOPNOTSUPP;
14135 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC] ||
14136 !info->attrs[NL80211_ATTR_USER_PRIO])
14139 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
14140 up = nla_get_u8(info->attrs[NL80211_ATTR_USER_PRIO]);
14142 /* WMM uses TIDs 0-7 even for TSPEC */
14143 if (tsid >= IEEE80211_FIRST_TSPEC_TSID) {
14144 /* TODO: handle 802.11 TSPEC/admission control
14145 * need more attributes for that (e.g. BA session requirement);
14146 * change the WMM adminssion test above to allow both then
14151 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
14153 if (info->attrs[NL80211_ATTR_ADMITTED_TIME]) {
14155 nla_get_u16(info->attrs[NL80211_ATTR_ADMITTED_TIME]);
14156 if (!admitted_time)
14161 switch (wdev->iftype) {
14162 case NL80211_IFTYPE_STATION:
14163 case NL80211_IFTYPE_P2P_CLIENT:
14164 if (wdev->current_bss)
14173 err = rdev_add_tx_ts(rdev, dev, tsid, peer, up, admitted_time);
14180 static int nl80211_del_tx_ts(struct sk_buff *skb, struct genl_info *info)
14182 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14183 struct net_device *dev = info->user_ptr[1];
14184 struct wireless_dev *wdev = dev->ieee80211_ptr;
14189 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC])
14192 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
14193 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
14196 err = rdev_del_tx_ts(rdev, dev, tsid, peer);
14202 static int nl80211_tdls_channel_switch(struct sk_buff *skb,
14203 struct genl_info *info)
14205 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14206 struct net_device *dev = info->user_ptr[1];
14207 struct wireless_dev *wdev = dev->ieee80211_ptr;
14208 struct cfg80211_chan_def chandef = {};
14213 if (!rdev->ops->tdls_channel_switch ||
14214 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
14215 return -EOPNOTSUPP;
14217 switch (dev->ieee80211_ptr->iftype) {
14218 case NL80211_IFTYPE_STATION:
14219 case NL80211_IFTYPE_P2P_CLIENT:
14222 return -EOPNOTSUPP;
14225 if (!info->attrs[NL80211_ATTR_MAC] ||
14226 !info->attrs[NL80211_ATTR_OPER_CLASS])
14229 err = nl80211_parse_chandef(rdev, info, &chandef);
14234 * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012
14235 * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the
14236 * specification is not defined for them.
14238 if (chandef.chan->band == NL80211_BAND_2GHZ &&
14239 chandef.width != NL80211_CHAN_WIDTH_20_NOHT &&
14240 chandef.width != NL80211_CHAN_WIDTH_20)
14243 /* we will be active on the TDLS link */
14244 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
14248 /* don't allow switching to DFS channels */
14249 if (cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, wdev->iftype))
14252 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
14253 oper_class = nla_get_u8(info->attrs[NL80211_ATTR_OPER_CLASS]);
14256 err = rdev_tdls_channel_switch(rdev, dev, addr, oper_class, &chandef);
14262 static int nl80211_tdls_cancel_channel_switch(struct sk_buff *skb,
14263 struct genl_info *info)
14265 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14266 struct net_device *dev = info->user_ptr[1];
14267 struct wireless_dev *wdev = dev->ieee80211_ptr;
14270 if (!rdev->ops->tdls_channel_switch ||
14271 !rdev->ops->tdls_cancel_channel_switch ||
14272 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
14273 return -EOPNOTSUPP;
14275 switch (dev->ieee80211_ptr->iftype) {
14276 case NL80211_IFTYPE_STATION:
14277 case NL80211_IFTYPE_P2P_CLIENT:
14280 return -EOPNOTSUPP;
14283 if (!info->attrs[NL80211_ATTR_MAC])
14286 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
14289 rdev_tdls_cancel_channel_switch(rdev, dev, addr);
14295 static int nl80211_set_multicast_to_unicast(struct sk_buff *skb,
14296 struct genl_info *info)
14298 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14299 struct net_device *dev = info->user_ptr[1];
14300 struct wireless_dev *wdev = dev->ieee80211_ptr;
14301 const struct nlattr *nla;
14304 if (!rdev->ops->set_multicast_to_unicast)
14305 return -EOPNOTSUPP;
14307 if (wdev->iftype != NL80211_IFTYPE_AP &&
14308 wdev->iftype != NL80211_IFTYPE_P2P_GO)
14309 return -EOPNOTSUPP;
14311 nla = info->attrs[NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED];
14312 enabled = nla_get_flag(nla);
14314 return rdev_set_multicast_to_unicast(rdev, dev, enabled);
14317 static int nl80211_set_pmk(struct sk_buff *skb, struct genl_info *info)
14319 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14320 struct net_device *dev = info->user_ptr[1];
14321 struct wireless_dev *wdev = dev->ieee80211_ptr;
14322 struct cfg80211_pmk_conf pmk_conf = {};
14325 if (wdev->iftype != NL80211_IFTYPE_STATION &&
14326 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
14327 return -EOPNOTSUPP;
14329 if (!wiphy_ext_feature_isset(&rdev->wiphy,
14330 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
14331 return -EOPNOTSUPP;
14333 if (!info->attrs[NL80211_ATTR_MAC] || !info->attrs[NL80211_ATTR_PMK])
14337 if (!wdev->current_bss) {
14342 pmk_conf.aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
14343 if (memcmp(pmk_conf.aa, wdev->current_bss->pub.bssid, ETH_ALEN)) {
14348 pmk_conf.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
14349 pmk_conf.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
14350 if (pmk_conf.pmk_len != WLAN_PMK_LEN &&
14351 pmk_conf.pmk_len != WLAN_PMK_LEN_SUITE_B_192) {
14356 if (info->attrs[NL80211_ATTR_PMKR0_NAME])
14357 pmk_conf.pmk_r0_name =
14358 nla_data(info->attrs[NL80211_ATTR_PMKR0_NAME]);
14360 ret = rdev_set_pmk(rdev, dev, &pmk_conf);
14366 static int nl80211_del_pmk(struct sk_buff *skb, struct genl_info *info)
14368 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14369 struct net_device *dev = info->user_ptr[1];
14370 struct wireless_dev *wdev = dev->ieee80211_ptr;
14374 if (wdev->iftype != NL80211_IFTYPE_STATION &&
14375 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
14376 return -EOPNOTSUPP;
14378 if (!wiphy_ext_feature_isset(&rdev->wiphy,
14379 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
14380 return -EOPNOTSUPP;
14382 if (!info->attrs[NL80211_ATTR_MAC])
14386 aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
14387 ret = rdev_del_pmk(rdev, dev, aa);
14393 static int nl80211_external_auth(struct sk_buff *skb, struct genl_info *info)
14395 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14396 struct net_device *dev = info->user_ptr[1];
14397 struct cfg80211_external_auth_params params;
14399 if (!rdev->ops->external_auth)
14400 return -EOPNOTSUPP;
14402 if (!info->attrs[NL80211_ATTR_SSID] &&
14403 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
14404 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
14407 if (!info->attrs[NL80211_ATTR_BSSID])
14410 if (!info->attrs[NL80211_ATTR_STATUS_CODE])
14413 memset(¶ms, 0, sizeof(params));
14415 if (info->attrs[NL80211_ATTR_SSID]) {
14416 params.ssid.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
14417 if (params.ssid.ssid_len == 0)
14419 memcpy(params.ssid.ssid,
14420 nla_data(info->attrs[NL80211_ATTR_SSID]),
14421 params.ssid.ssid_len);
14424 memcpy(params.bssid, nla_data(info->attrs[NL80211_ATTR_BSSID]),
14427 params.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
14429 if (info->attrs[NL80211_ATTR_PMKID])
14430 params.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
14432 return rdev_external_auth(rdev, dev, ¶ms);
14435 static int nl80211_tx_control_port(struct sk_buff *skb, struct genl_info *info)
14437 bool dont_wait_for_ack = info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK];
14438 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14439 struct net_device *dev = info->user_ptr[1];
14440 struct wireless_dev *wdev = dev->ieee80211_ptr;
14449 if (!wiphy_ext_feature_isset(&rdev->wiphy,
14450 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
14451 return -EOPNOTSUPP;
14453 if (!rdev->ops->tx_control_port)
14454 return -EOPNOTSUPP;
14456 if (!info->attrs[NL80211_ATTR_FRAME] ||
14457 !info->attrs[NL80211_ATTR_MAC] ||
14458 !info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
14459 GENL_SET_ERR_MSG(info, "Frame, MAC or ethertype missing");
14465 switch (wdev->iftype) {
14466 case NL80211_IFTYPE_AP:
14467 case NL80211_IFTYPE_P2P_GO:
14468 case NL80211_IFTYPE_MESH_POINT:
14470 case NL80211_IFTYPE_ADHOC:
14471 case NL80211_IFTYPE_STATION:
14472 case NL80211_IFTYPE_P2P_CLIENT:
14473 if (wdev->current_bss)
14484 buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
14485 len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
14486 dest = nla_data(info->attrs[NL80211_ATTR_MAC]);
14487 proto = nla_get_u16(info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
14489 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]);
14491 err = rdev_tx_control_port(rdev, dev, buf, len,
14492 dest, cpu_to_be16(proto), noencrypt,
14493 dont_wait_for_ack ? NULL : &cookie);
14494 if (!err && !dont_wait_for_ack)
14495 nl_set_extack_cookie_u64(info->extack, cookie);
14502 static int nl80211_get_ftm_responder_stats(struct sk_buff *skb,
14503 struct genl_info *info)
14505 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14506 struct net_device *dev = info->user_ptr[1];
14507 struct wireless_dev *wdev = dev->ieee80211_ptr;
14508 struct cfg80211_ftm_responder_stats ftm_stats = {};
14509 struct sk_buff *msg;
14511 struct nlattr *ftm_stats_attr;
14514 if (wdev->iftype != NL80211_IFTYPE_AP || !wdev->beacon_interval)
14515 return -EOPNOTSUPP;
14517 err = rdev_get_ftm_responder_stats(rdev, dev, &ftm_stats);
14521 if (!ftm_stats.filled)
14524 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14528 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
14529 NL80211_CMD_GET_FTM_RESPONDER_STATS);
14531 goto nla_put_failure;
14533 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
14534 goto nla_put_failure;
14536 ftm_stats_attr = nla_nest_start_noflag(msg,
14537 NL80211_ATTR_FTM_RESPONDER_STATS);
14538 if (!ftm_stats_attr)
14539 goto nla_put_failure;
14541 #define SET_FTM(field, name, type) \
14542 do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
14543 nla_put_ ## type(msg, NL80211_FTM_STATS_ ## name, \
14544 ftm_stats.field)) \
14545 goto nla_put_failure; } while (0)
14546 #define SET_FTM_U64(field, name) \
14547 do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
14548 nla_put_u64_64bit(msg, NL80211_FTM_STATS_ ## name, \
14549 ftm_stats.field, NL80211_FTM_STATS_PAD)) \
14550 goto nla_put_failure; } while (0)
14552 SET_FTM(success_num, SUCCESS_NUM, u32);
14553 SET_FTM(partial_num, PARTIAL_NUM, u32);
14554 SET_FTM(failed_num, FAILED_NUM, u32);
14555 SET_FTM(asap_num, ASAP_NUM, u32);
14556 SET_FTM(non_asap_num, NON_ASAP_NUM, u32);
14557 SET_FTM_U64(total_duration_ms, TOTAL_DURATION_MSEC);
14558 SET_FTM(unknown_triggers_num, UNKNOWN_TRIGGERS_NUM, u32);
14559 SET_FTM(reschedule_requests_num, RESCHEDULE_REQUESTS_NUM, u32);
14560 SET_FTM(out_of_window_triggers_num, OUT_OF_WINDOW_TRIGGERS_NUM, u32);
14563 nla_nest_end(msg, ftm_stats_attr);
14565 genlmsg_end(msg, hdr);
14566 return genlmsg_reply(msg, info);
14573 static int nl80211_update_owe_info(struct sk_buff *skb, struct genl_info *info)
14575 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14576 struct cfg80211_update_owe_info owe_info;
14577 struct net_device *dev = info->user_ptr[1];
14579 if (!rdev->ops->update_owe_info)
14580 return -EOPNOTSUPP;
14582 if (!info->attrs[NL80211_ATTR_STATUS_CODE] ||
14583 !info->attrs[NL80211_ATTR_MAC])
14586 memset(&owe_info, 0, sizeof(owe_info));
14587 owe_info.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
14588 nla_memcpy(owe_info.peer, info->attrs[NL80211_ATTR_MAC], ETH_ALEN);
14590 if (info->attrs[NL80211_ATTR_IE]) {
14591 owe_info.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
14592 owe_info.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
14595 return rdev_update_owe_info(rdev, dev, &owe_info);
14598 static int nl80211_probe_mesh_link(struct sk_buff *skb, struct genl_info *info)
14600 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14601 struct net_device *dev = info->user_ptr[1];
14602 struct wireless_dev *wdev = dev->ieee80211_ptr;
14603 struct station_info sinfo = {};
14609 if (!rdev->ops->probe_mesh_link || !rdev->ops->get_station)
14610 return -EOPNOTSUPP;
14612 if (!info->attrs[NL80211_ATTR_MAC] ||
14613 !info->attrs[NL80211_ATTR_FRAME]) {
14614 GENL_SET_ERR_MSG(info, "Frame or MAC missing");
14618 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
14619 return -EOPNOTSUPP;
14621 dest = nla_data(info->attrs[NL80211_ATTR_MAC]);
14622 buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
14623 len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
14625 if (len < sizeof(struct ethhdr))
14628 if (!ether_addr_equal(buf, dest) || is_multicast_ether_addr(buf) ||
14629 !ether_addr_equal(buf + ETH_ALEN, dev->dev_addr))
14632 err = rdev_get_station(rdev, dev, dest, &sinfo);
14636 cfg80211_sinfo_release_content(&sinfo);
14638 return rdev_probe_mesh_link(rdev, dev, dest, buf, len);
14641 static int parse_tid_conf(struct cfg80211_registered_device *rdev,
14642 struct nlattr *attrs[], struct net_device *dev,
14643 struct cfg80211_tid_cfg *tid_conf,
14644 struct genl_info *info, const u8 *peer)
14646 struct netlink_ext_ack *extack = info->extack;
14650 if (!attrs[NL80211_TID_CONFIG_ATTR_TIDS])
14653 tid_conf->config_override =
14654 nla_get_flag(attrs[NL80211_TID_CONFIG_ATTR_OVERRIDE]);
14655 tid_conf->tids = nla_get_u16(attrs[NL80211_TID_CONFIG_ATTR_TIDS]);
14657 if (tid_conf->config_override) {
14658 if (rdev->ops->reset_tid_config) {
14659 err = rdev_reset_tid_config(rdev, dev, peer,
14668 if (attrs[NL80211_TID_CONFIG_ATTR_NOACK]) {
14669 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_NOACK);
14671 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_NOACK]);
14674 if (attrs[NL80211_TID_CONFIG_ATTR_RETRY_SHORT]) {
14675 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_RETRY_SHORT);
14676 tid_conf->retry_short =
14677 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_RETRY_SHORT]);
14679 if (tid_conf->retry_short > rdev->wiphy.max_data_retry_count)
14683 if (attrs[NL80211_TID_CONFIG_ATTR_RETRY_LONG]) {
14684 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_RETRY_LONG);
14685 tid_conf->retry_long =
14686 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_RETRY_LONG]);
14688 if (tid_conf->retry_long > rdev->wiphy.max_data_retry_count)
14692 if (attrs[NL80211_TID_CONFIG_ATTR_AMPDU_CTRL]) {
14693 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_AMPDU_CTRL);
14695 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_AMPDU_CTRL]);
14698 if (attrs[NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL]) {
14699 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL);
14701 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL]);
14704 if (attrs[NL80211_TID_CONFIG_ATTR_AMSDU_CTRL]) {
14705 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_AMSDU_CTRL);
14707 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_AMSDU_CTRL]);
14710 if (attrs[NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE]) {
14711 u32 idx = NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE, attr;
14713 tid_conf->txrate_type = nla_get_u8(attrs[idx]);
14715 if (tid_conf->txrate_type != NL80211_TX_RATE_AUTOMATIC) {
14716 attr = NL80211_TID_CONFIG_ATTR_TX_RATE;
14717 err = nl80211_parse_tx_bitrate_mask(info, attrs, attr,
14718 &tid_conf->txrate_mask, dev,
14723 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_TX_RATE);
14725 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE);
14729 mask = rdev->wiphy.tid_config_support.peer;
14731 mask = rdev->wiphy.tid_config_support.vif;
14733 if (tid_conf->mask & ~mask) {
14734 NL_SET_ERR_MSG(extack, "unsupported TID configuration");
14741 static int nl80211_set_tid_config(struct sk_buff *skb,
14742 struct genl_info *info)
14744 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14745 struct nlattr *attrs[NL80211_TID_CONFIG_ATTR_MAX + 1];
14746 struct net_device *dev = info->user_ptr[1];
14747 struct cfg80211_tid_config *tid_config;
14748 struct nlattr *tid;
14749 int conf_idx = 0, rem_conf;
14753 if (!info->attrs[NL80211_ATTR_TID_CONFIG])
14756 if (!rdev->ops->set_tid_config)
14757 return -EOPNOTSUPP;
14759 nla_for_each_nested(tid, info->attrs[NL80211_ATTR_TID_CONFIG],
14763 tid_config = kzalloc(struct_size(tid_config, tid_conf, num_conf),
14768 tid_config->n_tid_conf = num_conf;
14770 if (info->attrs[NL80211_ATTR_MAC])
14771 tid_config->peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
14773 nla_for_each_nested(tid, info->attrs[NL80211_ATTR_TID_CONFIG],
14775 ret = nla_parse_nested(attrs, NL80211_TID_CONFIG_ATTR_MAX,
14781 ret = parse_tid_conf(rdev, attrs, dev,
14782 &tid_config->tid_conf[conf_idx],
14783 info, tid_config->peer);
14790 ret = rdev_set_tid_config(rdev, dev, tid_config);
14797 #define NL80211_FLAG_NEED_WIPHY 0x01
14798 #define NL80211_FLAG_NEED_NETDEV 0x02
14799 #define NL80211_FLAG_NEED_RTNL 0x04
14800 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
14801 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
14802 NL80211_FLAG_CHECK_NETDEV_UP)
14803 #define NL80211_FLAG_NEED_WDEV 0x10
14804 /* If a netdev is associated, it must be UP, P2P must be started */
14805 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
14806 NL80211_FLAG_CHECK_NETDEV_UP)
14807 #define NL80211_FLAG_CLEAR_SKB 0x20
14808 #define NL80211_FLAG_NO_WIPHY_MTX 0x40
14810 static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb,
14811 struct genl_info *info)
14813 struct cfg80211_registered_device *rdev = NULL;
14814 struct wireless_dev *wdev;
14815 struct net_device *dev;
14818 if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) {
14819 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
14820 if (IS_ERR(rdev)) {
14822 return PTR_ERR(rdev);
14824 info->user_ptr[0] = rdev;
14825 } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV ||
14826 ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
14827 wdev = __cfg80211_wdev_from_attrs(NULL, genl_info_net(info),
14829 if (IS_ERR(wdev)) {
14831 return PTR_ERR(wdev);
14834 dev = wdev->netdev;
14835 rdev = wiphy_to_rdev(wdev->wiphy);
14837 if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) {
14843 info->user_ptr[1] = dev;
14845 info->user_ptr[1] = wdev;
14848 if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP &&
14849 !wdev_running(wdev)) {
14857 info->user_ptr[0] = rdev;
14860 if (rdev && !(ops->internal_flags & NL80211_FLAG_NO_WIPHY_MTX)) {
14861 wiphy_lock(&rdev->wiphy);
14862 /* we keep the mutex locked until post_doit */
14863 __release(&rdev->wiphy.mtx);
14865 if (!(ops->internal_flags & NL80211_FLAG_NEED_RTNL))
14871 static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb,
14872 struct genl_info *info)
14874 if (info->user_ptr[1]) {
14875 if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
14876 struct wireless_dev *wdev = info->user_ptr[1];
14879 dev_put(wdev->netdev);
14881 dev_put(info->user_ptr[1]);
14885 if (info->user_ptr[0] &&
14886 !(ops->internal_flags & NL80211_FLAG_NO_WIPHY_MTX)) {
14887 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14889 /* we kept the mutex locked since pre_doit */
14890 __acquire(&rdev->wiphy.mtx);
14891 wiphy_unlock(&rdev->wiphy);
14894 if (ops->internal_flags & NL80211_FLAG_NEED_RTNL)
14897 /* If needed, clear the netlink message payload from the SKB
14898 * as it might contain key data that shouldn't stick around on
14899 * the heap after the SKB is freed. The netlink message header
14900 * is still needed for further processing, so leave it intact.
14902 if (ops->internal_flags & NL80211_FLAG_CLEAR_SKB) {
14903 struct nlmsghdr *nlh = nlmsg_hdr(skb);
14905 memset(nlmsg_data(nlh), 0, nlmsg_len(nlh));
14909 static int nl80211_set_sar_sub_specs(struct cfg80211_registered_device *rdev,
14910 struct cfg80211_sar_specs *sar_specs,
14911 struct nlattr *spec[], int index)
14913 u32 range_index, i;
14915 if (!sar_specs || !spec)
14918 if (!spec[NL80211_SAR_ATTR_SPECS_POWER] ||
14919 !spec[NL80211_SAR_ATTR_SPECS_RANGE_INDEX])
14922 range_index = nla_get_u32(spec[NL80211_SAR_ATTR_SPECS_RANGE_INDEX]);
14924 /* check if range_index exceeds num_freq_ranges */
14925 if (range_index >= rdev->wiphy.sar_capa->num_freq_ranges)
14928 /* check if range_index duplicates */
14929 for (i = 0; i < index; i++) {
14930 if (sar_specs->sub_specs[i].freq_range_index == range_index)
14934 sar_specs->sub_specs[index].power =
14935 nla_get_s32(spec[NL80211_SAR_ATTR_SPECS_POWER]);
14937 sar_specs->sub_specs[index].freq_range_index = range_index;
14942 static int nl80211_set_sar_specs(struct sk_buff *skb, struct genl_info *info)
14944 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14945 struct nlattr *spec[NL80211_SAR_ATTR_SPECS_MAX + 1];
14946 struct nlattr *tb[NL80211_SAR_ATTR_MAX + 1];
14947 struct cfg80211_sar_specs *sar_spec;
14948 enum nl80211_sar_type type;
14949 struct nlattr *spec_list;
14953 if (!rdev->wiphy.sar_capa || !rdev->ops->set_sar_specs)
14954 return -EOPNOTSUPP;
14956 if (!info->attrs[NL80211_ATTR_SAR_SPEC])
14959 nla_parse_nested(tb, NL80211_SAR_ATTR_MAX,
14960 info->attrs[NL80211_ATTR_SAR_SPEC],
14963 if (!tb[NL80211_SAR_ATTR_TYPE] || !tb[NL80211_SAR_ATTR_SPECS])
14966 type = nla_get_u32(tb[NL80211_SAR_ATTR_TYPE]);
14967 if (type != rdev->wiphy.sar_capa->type)
14971 nla_for_each_nested(spec_list, tb[NL80211_SAR_ATTR_SPECS], rem)
14974 if (specs > rdev->wiphy.sar_capa->num_freq_ranges)
14977 sar_spec = kzalloc(sizeof(*sar_spec) +
14978 specs * sizeof(struct cfg80211_sar_sub_specs),
14983 sar_spec->type = type;
14985 nla_for_each_nested(spec_list, tb[NL80211_SAR_ATTR_SPECS], rem) {
14986 nla_parse_nested(spec, NL80211_SAR_ATTR_SPECS_MAX,
14987 spec_list, NULL, NULL);
14990 case NL80211_SAR_TYPE_POWER:
14991 if (nl80211_set_sar_sub_specs(rdev, sar_spec,
15004 sar_spec->num_sub_specs = specs;
15006 rdev->cur_cmd_info = info;
15007 err = rdev_set_sar_specs(rdev, sar_spec);
15008 rdev->cur_cmd_info = NULL;
15014 static const struct genl_ops nl80211_ops[] = {
15016 .cmd = NL80211_CMD_GET_WIPHY,
15017 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15018 .doit = nl80211_get_wiphy,
15019 .dumpit = nl80211_dump_wiphy,
15020 .done = nl80211_dump_wiphy_done,
15021 /* can be retrieved by unprivileged users */
15022 .internal_flags = NL80211_FLAG_NEED_WIPHY,
15026 static const struct genl_small_ops nl80211_small_ops[] = {
15028 .cmd = NL80211_CMD_SET_WIPHY,
15029 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15030 .doit = nl80211_set_wiphy,
15031 .flags = GENL_UNS_ADMIN_PERM,
15034 .cmd = NL80211_CMD_GET_INTERFACE,
15035 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15036 .doit = nl80211_get_interface,
15037 .dumpit = nl80211_dump_interface,
15038 /* can be retrieved by unprivileged users */
15039 .internal_flags = NL80211_FLAG_NEED_WDEV,
15042 .cmd = NL80211_CMD_SET_INTERFACE,
15043 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15044 .doit = nl80211_set_interface,
15045 .flags = GENL_UNS_ADMIN_PERM,
15046 .internal_flags = NL80211_FLAG_NEED_NETDEV |
15047 NL80211_FLAG_NEED_RTNL,
15050 .cmd = NL80211_CMD_NEW_INTERFACE,
15051 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15052 .doit = nl80211_new_interface,
15053 .flags = GENL_UNS_ADMIN_PERM,
15054 .internal_flags = NL80211_FLAG_NEED_WIPHY |
15055 NL80211_FLAG_NEED_RTNL |
15056 /* we take the wiphy mutex later ourselves */
15057 NL80211_FLAG_NO_WIPHY_MTX,
15060 .cmd = NL80211_CMD_DEL_INTERFACE,
15061 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15062 .doit = nl80211_del_interface,
15063 .flags = GENL_UNS_ADMIN_PERM,
15064 .internal_flags = NL80211_FLAG_NEED_WDEV |
15065 NL80211_FLAG_NEED_RTNL,
15068 .cmd = NL80211_CMD_GET_KEY,
15069 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15070 .doit = nl80211_get_key,
15071 .flags = GENL_UNS_ADMIN_PERM,
15072 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15075 .cmd = NL80211_CMD_SET_KEY,
15076 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15077 .doit = nl80211_set_key,
15078 .flags = GENL_UNS_ADMIN_PERM,
15079 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15080 NL80211_FLAG_CLEAR_SKB,
15083 .cmd = NL80211_CMD_NEW_KEY,
15084 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15085 .doit = nl80211_new_key,
15086 .flags = GENL_UNS_ADMIN_PERM,
15087 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15088 NL80211_FLAG_CLEAR_SKB,
15091 .cmd = NL80211_CMD_DEL_KEY,
15092 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15093 .doit = nl80211_del_key,
15094 .flags = GENL_UNS_ADMIN_PERM,
15095 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15098 .cmd = NL80211_CMD_SET_BEACON,
15099 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15100 .flags = GENL_UNS_ADMIN_PERM,
15101 .doit = nl80211_set_beacon,
15102 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15105 .cmd = NL80211_CMD_START_AP,
15106 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15107 .flags = GENL_UNS_ADMIN_PERM,
15108 .doit = nl80211_start_ap,
15109 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15112 .cmd = NL80211_CMD_STOP_AP,
15113 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15114 .flags = GENL_UNS_ADMIN_PERM,
15115 .doit = nl80211_stop_ap,
15116 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15119 .cmd = NL80211_CMD_GET_STATION,
15120 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15121 .doit = nl80211_get_station,
15122 .dumpit = nl80211_dump_station,
15123 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15126 .cmd = NL80211_CMD_SET_STATION,
15127 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15128 .doit = nl80211_set_station,
15129 .flags = GENL_UNS_ADMIN_PERM,
15130 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15133 .cmd = NL80211_CMD_NEW_STATION,
15134 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15135 .doit = nl80211_new_station,
15136 .flags = GENL_UNS_ADMIN_PERM,
15137 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15140 .cmd = NL80211_CMD_DEL_STATION,
15141 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15142 .doit = nl80211_del_station,
15143 .flags = GENL_UNS_ADMIN_PERM,
15144 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15147 .cmd = NL80211_CMD_GET_MPATH,
15148 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15149 .doit = nl80211_get_mpath,
15150 .dumpit = nl80211_dump_mpath,
15151 .flags = GENL_UNS_ADMIN_PERM,
15152 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15155 .cmd = NL80211_CMD_GET_MPP,
15156 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15157 .doit = nl80211_get_mpp,
15158 .dumpit = nl80211_dump_mpp,
15159 .flags = GENL_UNS_ADMIN_PERM,
15160 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15163 .cmd = NL80211_CMD_SET_MPATH,
15164 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15165 .doit = nl80211_set_mpath,
15166 .flags = GENL_UNS_ADMIN_PERM,
15167 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15170 .cmd = NL80211_CMD_NEW_MPATH,
15171 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15172 .doit = nl80211_new_mpath,
15173 .flags = GENL_UNS_ADMIN_PERM,
15174 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15177 .cmd = NL80211_CMD_DEL_MPATH,
15178 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15179 .doit = nl80211_del_mpath,
15180 .flags = GENL_UNS_ADMIN_PERM,
15181 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15184 .cmd = NL80211_CMD_SET_BSS,
15185 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15186 .doit = nl80211_set_bss,
15187 .flags = GENL_UNS_ADMIN_PERM,
15188 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15191 .cmd = NL80211_CMD_GET_REG,
15192 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15193 .doit = nl80211_get_reg_do,
15194 .dumpit = nl80211_get_reg_dump,
15195 .internal_flags = 0,
15196 /* can be retrieved by unprivileged users */
15198 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
15200 .cmd = NL80211_CMD_SET_REG,
15201 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15202 .doit = nl80211_set_reg,
15203 .flags = GENL_ADMIN_PERM,
15204 .internal_flags = 0,
15208 .cmd = NL80211_CMD_REQ_SET_REG,
15209 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15210 .doit = nl80211_req_set_reg,
15211 .flags = GENL_ADMIN_PERM,
15214 .cmd = NL80211_CMD_RELOAD_REGDB,
15215 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15216 .doit = nl80211_reload_regdb,
15217 .flags = GENL_ADMIN_PERM,
15220 .cmd = NL80211_CMD_GET_MESH_CONFIG,
15221 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15222 .doit = nl80211_get_mesh_config,
15223 /* can be retrieved by unprivileged users */
15224 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15227 .cmd = NL80211_CMD_SET_MESH_CONFIG,
15228 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15229 .doit = nl80211_update_mesh_config,
15230 .flags = GENL_UNS_ADMIN_PERM,
15231 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15234 .cmd = NL80211_CMD_TRIGGER_SCAN,
15235 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15236 .doit = nl80211_trigger_scan,
15237 .flags = GENL_UNS_ADMIN_PERM,
15238 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
15241 .cmd = NL80211_CMD_ABORT_SCAN,
15242 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15243 .doit = nl80211_abort_scan,
15244 .flags = GENL_UNS_ADMIN_PERM,
15245 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
15248 .cmd = NL80211_CMD_GET_SCAN,
15249 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15250 .dumpit = nl80211_dump_scan,
15253 .cmd = NL80211_CMD_START_SCHED_SCAN,
15254 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15255 .doit = nl80211_start_sched_scan,
15256 .flags = GENL_UNS_ADMIN_PERM,
15257 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15260 .cmd = NL80211_CMD_STOP_SCHED_SCAN,
15261 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15262 .doit = nl80211_stop_sched_scan,
15263 .flags = GENL_UNS_ADMIN_PERM,
15264 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15267 .cmd = NL80211_CMD_AUTHENTICATE,
15268 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15269 .doit = nl80211_authenticate,
15270 .flags = GENL_UNS_ADMIN_PERM,
15271 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15273 NL80211_FLAG_CLEAR_SKB,
15276 .cmd = NL80211_CMD_ASSOCIATE,
15277 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15278 .doit = nl80211_associate,
15279 .flags = GENL_UNS_ADMIN_PERM,
15280 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15282 NL80211_FLAG_CLEAR_SKB,
15285 .cmd = NL80211_CMD_DEAUTHENTICATE,
15286 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15287 .doit = nl80211_deauthenticate,
15288 .flags = GENL_UNS_ADMIN_PERM,
15289 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15292 .cmd = NL80211_CMD_DISASSOCIATE,
15293 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15294 .doit = nl80211_disassociate,
15295 .flags = GENL_UNS_ADMIN_PERM,
15296 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15299 .cmd = NL80211_CMD_JOIN_IBSS,
15300 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15301 .doit = nl80211_join_ibss,
15302 .flags = GENL_UNS_ADMIN_PERM,
15303 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15306 .cmd = NL80211_CMD_LEAVE_IBSS,
15307 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15308 .doit = nl80211_leave_ibss,
15309 .flags = GENL_UNS_ADMIN_PERM,
15310 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15312 #ifdef CONFIG_NL80211_TESTMODE
15314 .cmd = NL80211_CMD_TESTMODE,
15315 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15316 .doit = nl80211_testmode_do,
15317 .dumpit = nl80211_testmode_dump,
15318 .flags = GENL_UNS_ADMIN_PERM,
15319 .internal_flags = NL80211_FLAG_NEED_WIPHY,
15323 .cmd = NL80211_CMD_CONNECT,
15324 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15325 .doit = nl80211_connect,
15326 .flags = GENL_UNS_ADMIN_PERM,
15327 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15329 NL80211_FLAG_CLEAR_SKB,
15332 .cmd = NL80211_CMD_UPDATE_CONNECT_PARAMS,
15333 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15334 .doit = nl80211_update_connect_params,
15335 .flags = GENL_ADMIN_PERM,
15336 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15338 NL80211_FLAG_CLEAR_SKB,
15341 .cmd = NL80211_CMD_DISCONNECT,
15342 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15343 .doit = nl80211_disconnect,
15344 .flags = GENL_UNS_ADMIN_PERM,
15345 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15348 .cmd = NL80211_CMD_SET_WIPHY_NETNS,
15349 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15350 .doit = nl80211_wiphy_netns,
15351 .flags = GENL_UNS_ADMIN_PERM,
15352 .internal_flags = NL80211_FLAG_NEED_WIPHY |
15353 NL80211_FLAG_NEED_RTNL |
15354 NL80211_FLAG_NO_WIPHY_MTX,
15357 .cmd = NL80211_CMD_GET_SURVEY,
15358 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15359 .dumpit = nl80211_dump_survey,
15362 .cmd = NL80211_CMD_SET_PMKSA,
15363 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15364 .doit = nl80211_setdel_pmksa,
15365 .flags = GENL_UNS_ADMIN_PERM,
15366 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15368 NL80211_FLAG_CLEAR_SKB,
15371 .cmd = NL80211_CMD_DEL_PMKSA,
15372 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15373 .doit = nl80211_setdel_pmksa,
15374 .flags = GENL_UNS_ADMIN_PERM,
15375 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15378 .cmd = NL80211_CMD_FLUSH_PMKSA,
15379 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15380 .doit = nl80211_flush_pmksa,
15381 .flags = GENL_UNS_ADMIN_PERM,
15382 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15385 .cmd = NL80211_CMD_REMAIN_ON_CHANNEL,
15386 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15387 .doit = nl80211_remain_on_channel,
15388 .flags = GENL_UNS_ADMIN_PERM,
15389 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
15392 .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
15393 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15394 .doit = nl80211_cancel_remain_on_channel,
15395 .flags = GENL_UNS_ADMIN_PERM,
15396 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
15399 .cmd = NL80211_CMD_SET_TX_BITRATE_MASK,
15400 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15401 .doit = nl80211_set_tx_bitrate_mask,
15402 .flags = GENL_UNS_ADMIN_PERM,
15403 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15406 .cmd = NL80211_CMD_REGISTER_FRAME,
15407 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15408 .doit = nl80211_register_mgmt,
15409 .flags = GENL_UNS_ADMIN_PERM,
15410 .internal_flags = NL80211_FLAG_NEED_WDEV,
15413 .cmd = NL80211_CMD_FRAME,
15414 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15415 .doit = nl80211_tx_mgmt,
15416 .flags = GENL_UNS_ADMIN_PERM,
15417 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
15420 .cmd = NL80211_CMD_FRAME_WAIT_CANCEL,
15421 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15422 .doit = nl80211_tx_mgmt_cancel_wait,
15423 .flags = GENL_UNS_ADMIN_PERM,
15424 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
15427 .cmd = NL80211_CMD_SET_POWER_SAVE,
15428 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15429 .doit = nl80211_set_power_save,
15430 .flags = GENL_UNS_ADMIN_PERM,
15431 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15434 .cmd = NL80211_CMD_GET_POWER_SAVE,
15435 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15436 .doit = nl80211_get_power_save,
15437 /* can be retrieved by unprivileged users */
15438 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15441 .cmd = NL80211_CMD_SET_CQM,
15442 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15443 .doit = nl80211_set_cqm,
15444 .flags = GENL_UNS_ADMIN_PERM,
15445 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15448 .cmd = NL80211_CMD_SET_CHANNEL,
15449 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15450 .doit = nl80211_set_channel,
15451 .flags = GENL_UNS_ADMIN_PERM,
15452 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15455 .cmd = NL80211_CMD_JOIN_MESH,
15456 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15457 .doit = nl80211_join_mesh,
15458 .flags = GENL_UNS_ADMIN_PERM,
15459 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15462 .cmd = NL80211_CMD_LEAVE_MESH,
15463 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15464 .doit = nl80211_leave_mesh,
15465 .flags = GENL_UNS_ADMIN_PERM,
15466 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15469 .cmd = NL80211_CMD_JOIN_OCB,
15470 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15471 .doit = nl80211_join_ocb,
15472 .flags = GENL_UNS_ADMIN_PERM,
15473 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15476 .cmd = NL80211_CMD_LEAVE_OCB,
15477 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15478 .doit = nl80211_leave_ocb,
15479 .flags = GENL_UNS_ADMIN_PERM,
15480 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15484 .cmd = NL80211_CMD_GET_WOWLAN,
15485 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15486 .doit = nl80211_get_wowlan,
15487 /* can be retrieved by unprivileged users */
15488 .internal_flags = NL80211_FLAG_NEED_WIPHY,
15491 .cmd = NL80211_CMD_SET_WOWLAN,
15492 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15493 .doit = nl80211_set_wowlan,
15494 .flags = GENL_UNS_ADMIN_PERM,
15495 .internal_flags = NL80211_FLAG_NEED_WIPHY,
15499 .cmd = NL80211_CMD_SET_REKEY_OFFLOAD,
15500 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15501 .doit = nl80211_set_rekey_data,
15502 .flags = GENL_UNS_ADMIN_PERM,
15503 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15505 NL80211_FLAG_CLEAR_SKB,
15508 .cmd = NL80211_CMD_TDLS_MGMT,
15509 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15510 .doit = nl80211_tdls_mgmt,
15511 .flags = GENL_UNS_ADMIN_PERM,
15512 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15515 .cmd = NL80211_CMD_TDLS_OPER,
15516 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15517 .doit = nl80211_tdls_oper,
15518 .flags = GENL_UNS_ADMIN_PERM,
15519 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15522 .cmd = NL80211_CMD_UNEXPECTED_FRAME,
15523 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15524 .doit = nl80211_register_unexpected_frame,
15525 .flags = GENL_UNS_ADMIN_PERM,
15526 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15529 .cmd = NL80211_CMD_PROBE_CLIENT,
15530 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15531 .doit = nl80211_probe_client,
15532 .flags = GENL_UNS_ADMIN_PERM,
15533 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15536 .cmd = NL80211_CMD_REGISTER_BEACONS,
15537 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15538 .doit = nl80211_register_beacons,
15539 .flags = GENL_UNS_ADMIN_PERM,
15540 .internal_flags = NL80211_FLAG_NEED_WIPHY,
15543 .cmd = NL80211_CMD_SET_NOACK_MAP,
15544 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15545 .doit = nl80211_set_noack_map,
15546 .flags = GENL_UNS_ADMIN_PERM,
15547 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15550 .cmd = NL80211_CMD_START_P2P_DEVICE,
15551 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15552 .doit = nl80211_start_p2p_device,
15553 .flags = GENL_UNS_ADMIN_PERM,
15554 .internal_flags = NL80211_FLAG_NEED_WDEV |
15555 NL80211_FLAG_NEED_RTNL,
15558 .cmd = NL80211_CMD_STOP_P2P_DEVICE,
15559 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15560 .doit = nl80211_stop_p2p_device,
15561 .flags = GENL_UNS_ADMIN_PERM,
15562 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
15563 NL80211_FLAG_NEED_RTNL,
15566 .cmd = NL80211_CMD_START_NAN,
15567 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15568 .doit = nl80211_start_nan,
15569 .flags = GENL_ADMIN_PERM,
15570 .internal_flags = NL80211_FLAG_NEED_WDEV |
15571 NL80211_FLAG_NEED_RTNL,
15574 .cmd = NL80211_CMD_STOP_NAN,
15575 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15576 .doit = nl80211_stop_nan,
15577 .flags = GENL_ADMIN_PERM,
15578 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
15579 NL80211_FLAG_NEED_RTNL,
15582 .cmd = NL80211_CMD_ADD_NAN_FUNCTION,
15583 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15584 .doit = nl80211_nan_add_func,
15585 .flags = GENL_ADMIN_PERM,
15586 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
15589 .cmd = NL80211_CMD_DEL_NAN_FUNCTION,
15590 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15591 .doit = nl80211_nan_del_func,
15592 .flags = GENL_ADMIN_PERM,
15593 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
15596 .cmd = NL80211_CMD_CHANGE_NAN_CONFIG,
15597 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15598 .doit = nl80211_nan_change_config,
15599 .flags = GENL_ADMIN_PERM,
15600 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
15603 .cmd = NL80211_CMD_SET_MCAST_RATE,
15604 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15605 .doit = nl80211_set_mcast_rate,
15606 .flags = GENL_UNS_ADMIN_PERM,
15607 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15610 .cmd = NL80211_CMD_SET_MAC_ACL,
15611 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15612 .doit = nl80211_set_mac_acl,
15613 .flags = GENL_UNS_ADMIN_PERM,
15614 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15617 .cmd = NL80211_CMD_RADAR_DETECT,
15618 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15619 .doit = nl80211_start_radar_detection,
15620 .flags = GENL_UNS_ADMIN_PERM,
15621 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15624 .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES,
15625 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15626 .doit = nl80211_get_protocol_features,
15629 .cmd = NL80211_CMD_UPDATE_FT_IES,
15630 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15631 .doit = nl80211_update_ft_ies,
15632 .flags = GENL_UNS_ADMIN_PERM,
15633 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15636 .cmd = NL80211_CMD_CRIT_PROTOCOL_START,
15637 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15638 .doit = nl80211_crit_protocol_start,
15639 .flags = GENL_UNS_ADMIN_PERM,
15640 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
15643 .cmd = NL80211_CMD_CRIT_PROTOCOL_STOP,
15644 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15645 .doit = nl80211_crit_protocol_stop,
15646 .flags = GENL_UNS_ADMIN_PERM,
15647 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
15650 .cmd = NL80211_CMD_GET_COALESCE,
15651 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15652 .doit = nl80211_get_coalesce,
15653 .internal_flags = NL80211_FLAG_NEED_WIPHY,
15656 .cmd = NL80211_CMD_SET_COALESCE,
15657 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15658 .doit = nl80211_set_coalesce,
15659 .flags = GENL_UNS_ADMIN_PERM,
15660 .internal_flags = NL80211_FLAG_NEED_WIPHY,
15663 .cmd = NL80211_CMD_CHANNEL_SWITCH,
15664 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15665 .doit = nl80211_channel_switch,
15666 .flags = GENL_UNS_ADMIN_PERM,
15667 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15670 .cmd = NL80211_CMD_VENDOR,
15671 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15672 .doit = nl80211_vendor_cmd,
15673 .dumpit = nl80211_vendor_cmd_dump,
15674 .flags = GENL_UNS_ADMIN_PERM,
15675 .internal_flags = NL80211_FLAG_NEED_WIPHY |
15677 NL80211_FLAG_CLEAR_SKB,
15680 .cmd = NL80211_CMD_SET_QOS_MAP,
15681 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15682 .doit = nl80211_set_qos_map,
15683 .flags = GENL_UNS_ADMIN_PERM,
15684 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15687 .cmd = NL80211_CMD_ADD_TX_TS,
15688 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15689 .doit = nl80211_add_tx_ts,
15690 .flags = GENL_UNS_ADMIN_PERM,
15691 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15694 .cmd = NL80211_CMD_DEL_TX_TS,
15695 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15696 .doit = nl80211_del_tx_ts,
15697 .flags = GENL_UNS_ADMIN_PERM,
15698 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15701 .cmd = NL80211_CMD_TDLS_CHANNEL_SWITCH,
15702 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15703 .doit = nl80211_tdls_channel_switch,
15704 .flags = GENL_UNS_ADMIN_PERM,
15705 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15708 .cmd = NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH,
15709 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15710 .doit = nl80211_tdls_cancel_channel_switch,
15711 .flags = GENL_UNS_ADMIN_PERM,
15712 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15715 .cmd = NL80211_CMD_SET_MULTICAST_TO_UNICAST,
15716 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15717 .doit = nl80211_set_multicast_to_unicast,
15718 .flags = GENL_UNS_ADMIN_PERM,
15719 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15722 .cmd = NL80211_CMD_SET_PMK,
15723 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15724 .doit = nl80211_set_pmk,
15725 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15727 NL80211_FLAG_CLEAR_SKB,
15730 .cmd = NL80211_CMD_DEL_PMK,
15731 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15732 .doit = nl80211_del_pmk,
15733 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15736 .cmd = NL80211_CMD_EXTERNAL_AUTH,
15737 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15738 .doit = nl80211_external_auth,
15739 .flags = GENL_ADMIN_PERM,
15740 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15743 .cmd = NL80211_CMD_CONTROL_PORT_FRAME,
15744 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15745 .doit = nl80211_tx_control_port,
15746 .flags = GENL_UNS_ADMIN_PERM,
15747 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15750 .cmd = NL80211_CMD_GET_FTM_RESPONDER_STATS,
15751 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15752 .doit = nl80211_get_ftm_responder_stats,
15753 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15756 .cmd = NL80211_CMD_PEER_MEASUREMENT_START,
15757 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15758 .doit = nl80211_pmsr_start,
15759 .flags = GENL_UNS_ADMIN_PERM,
15760 .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
15763 .cmd = NL80211_CMD_NOTIFY_RADAR,
15764 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15765 .doit = nl80211_notify_radar_detection,
15766 .flags = GENL_UNS_ADMIN_PERM,
15767 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15770 .cmd = NL80211_CMD_UPDATE_OWE_INFO,
15771 .doit = nl80211_update_owe_info,
15772 .flags = GENL_ADMIN_PERM,
15773 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15776 .cmd = NL80211_CMD_PROBE_MESH_LINK,
15777 .doit = nl80211_probe_mesh_link,
15778 .flags = GENL_UNS_ADMIN_PERM,
15779 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
15782 .cmd = NL80211_CMD_SET_TID_CONFIG,
15783 .doit = nl80211_set_tid_config,
15784 .flags = GENL_UNS_ADMIN_PERM,
15785 .internal_flags = NL80211_FLAG_NEED_NETDEV,
15788 .cmd = NL80211_CMD_SET_SAR_SPECS,
15789 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15790 .doit = nl80211_set_sar_specs,
15791 .flags = GENL_UNS_ADMIN_PERM,
15792 .internal_flags = NL80211_FLAG_NEED_WIPHY |
15793 NL80211_FLAG_NEED_RTNL,
15797 static struct genl_family nl80211_fam __ro_after_init = {
15798 .name = NL80211_GENL_NAME, /* have users key off the name instead */
15799 .hdrsize = 0, /* no private header */
15800 .version = 1, /* no particular meaning now */
15801 .maxattr = NL80211_ATTR_MAX,
15802 .policy = nl80211_policy,
15804 .pre_doit = nl80211_pre_doit,
15805 .post_doit = nl80211_post_doit,
15806 .module = THIS_MODULE,
15807 .ops = nl80211_ops,
15808 .n_ops = ARRAY_SIZE(nl80211_ops),
15809 .small_ops = nl80211_small_ops,
15810 .n_small_ops = ARRAY_SIZE(nl80211_small_ops),
15811 .mcgrps = nl80211_mcgrps,
15812 .n_mcgrps = ARRAY_SIZE(nl80211_mcgrps),
15813 .parallel_ops = true,
15816 /* notification functions */
15818 void nl80211_notify_wiphy(struct cfg80211_registered_device *rdev,
15819 enum nl80211_commands cmd)
15821 struct sk_buff *msg;
15822 struct nl80211_dump_wiphy_state state = {};
15824 WARN_ON(cmd != NL80211_CMD_NEW_WIPHY &&
15825 cmd != NL80211_CMD_DEL_WIPHY);
15827 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
15831 if (nl80211_send_wiphy(rdev, cmd, msg, 0, 0, 0, &state) < 0) {
15836 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15837 NL80211_MCGRP_CONFIG, GFP_KERNEL);
15840 void nl80211_notify_iface(struct cfg80211_registered_device *rdev,
15841 struct wireless_dev *wdev,
15842 enum nl80211_commands cmd)
15844 struct sk_buff *msg;
15846 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
15850 if (nl80211_send_iface(msg, 0, 0, 0, rdev, wdev, cmd) < 0) {
15855 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15856 NL80211_MCGRP_CONFIG, GFP_KERNEL);
15859 static int nl80211_add_scan_req(struct sk_buff *msg,
15860 struct cfg80211_registered_device *rdev)
15862 struct cfg80211_scan_request *req = rdev->scan_req;
15863 struct nlattr *nest;
15865 struct cfg80211_scan_info *info;
15870 nest = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_SSIDS);
15872 goto nla_put_failure;
15873 for (i = 0; i < req->n_ssids; i++) {
15874 if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid))
15875 goto nla_put_failure;
15877 nla_nest_end(msg, nest);
15879 if (req->flags & NL80211_SCAN_FLAG_FREQ_KHZ) {
15880 nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQ_KHZ);
15882 goto nla_put_failure;
15883 for (i = 0; i < req->n_channels; i++) {
15884 if (nla_put_u32(msg, i,
15885 ieee80211_channel_to_khz(req->channels[i])))
15886 goto nla_put_failure;
15888 nla_nest_end(msg, nest);
15890 nest = nla_nest_start_noflag(msg,
15891 NL80211_ATTR_SCAN_FREQUENCIES);
15893 goto nla_put_failure;
15894 for (i = 0; i < req->n_channels; i++) {
15895 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
15896 goto nla_put_failure;
15898 nla_nest_end(msg, nest);
15902 nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie))
15903 goto nla_put_failure;
15906 nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags))
15907 goto nla_put_failure;
15909 info = rdev->int_scan_req ? &rdev->int_scan_req->info :
15910 &rdev->scan_req->info;
15911 if (info->scan_start_tsf &&
15912 (nla_put_u64_64bit(msg, NL80211_ATTR_SCAN_START_TIME_TSF,
15913 info->scan_start_tsf, NL80211_BSS_PAD) ||
15914 nla_put(msg, NL80211_ATTR_SCAN_START_TIME_TSF_BSSID, ETH_ALEN,
15916 goto nla_put_failure;
15923 static int nl80211_prep_scan_msg(struct sk_buff *msg,
15924 struct cfg80211_registered_device *rdev,
15925 struct wireless_dev *wdev,
15926 u32 portid, u32 seq, int flags,
15931 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
15935 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15936 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
15937 wdev->netdev->ifindex)) ||
15938 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
15940 goto nla_put_failure;
15942 /* ignore errors and send incomplete event anyway */
15943 nl80211_add_scan_req(msg, rdev);
15945 genlmsg_end(msg, hdr);
15949 genlmsg_cancel(msg, hdr);
15954 nl80211_prep_sched_scan_msg(struct sk_buff *msg,
15955 struct cfg80211_sched_scan_request *req, u32 cmd)
15959 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
15963 if (nla_put_u32(msg, NL80211_ATTR_WIPHY,
15964 wiphy_to_rdev(req->wiphy)->wiphy_idx) ||
15965 nla_put_u32(msg, NL80211_ATTR_IFINDEX, req->dev->ifindex) ||
15966 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, req->reqid,
15968 goto nla_put_failure;
15970 genlmsg_end(msg, hdr);
15974 genlmsg_cancel(msg, hdr);
15978 void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
15979 struct wireless_dev *wdev)
15981 struct sk_buff *msg;
15983 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
15987 if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0,
15988 NL80211_CMD_TRIGGER_SCAN) < 0) {
15993 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15994 NL80211_MCGRP_SCAN, GFP_KERNEL);
15997 struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev,
15998 struct wireless_dev *wdev, bool aborted)
16000 struct sk_buff *msg;
16002 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
16006 if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0,
16007 aborted ? NL80211_CMD_SCAN_ABORTED :
16008 NL80211_CMD_NEW_SCAN_RESULTS) < 0) {
16016 /* send message created by nl80211_build_scan_msg() */
16017 void nl80211_send_scan_msg(struct cfg80211_registered_device *rdev,
16018 struct sk_buff *msg)
16023 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16024 NL80211_MCGRP_SCAN, GFP_KERNEL);
16027 void nl80211_send_sched_scan(struct cfg80211_sched_scan_request *req, u32 cmd)
16029 struct sk_buff *msg;
16031 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
16035 if (nl80211_prep_sched_scan_msg(msg, req, cmd) < 0) {
16040 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(req->wiphy), msg, 0,
16041 NL80211_MCGRP_SCAN, GFP_KERNEL);
16044 static bool nl80211_reg_change_event_fill(struct sk_buff *msg,
16045 struct regulatory_request *request)
16047 /* Userspace can always count this one always being set */
16048 if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator))
16049 goto nla_put_failure;
16051 if (request->alpha2[0] == '0' && request->alpha2[1] == '0') {
16052 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
16053 NL80211_REGDOM_TYPE_WORLD))
16054 goto nla_put_failure;
16055 } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') {
16056 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
16057 NL80211_REGDOM_TYPE_CUSTOM_WORLD))
16058 goto nla_put_failure;
16059 } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') ||
16060 request->intersect) {
16061 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
16062 NL80211_REGDOM_TYPE_INTERSECTION))
16063 goto nla_put_failure;
16065 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
16066 NL80211_REGDOM_TYPE_COUNTRY) ||
16067 nla_put_string(msg, NL80211_ATTR_REG_ALPHA2,
16069 goto nla_put_failure;
16072 if (request->wiphy_idx != WIPHY_IDX_INVALID) {
16073 struct wiphy *wiphy = wiphy_idx_to_wiphy(request->wiphy_idx);
16076 nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx))
16077 goto nla_put_failure;
16080 wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
16081 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
16082 goto nla_put_failure;
16092 * This can happen on global regulatory changes or device specific settings
16093 * based on custom regulatory domains.
16095 void nl80211_common_reg_change_event(enum nl80211_commands cmd_id,
16096 struct regulatory_request *request)
16098 struct sk_buff *msg;
16101 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
16105 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd_id);
16107 goto nla_put_failure;
16109 if (!nl80211_reg_change_event_fill(msg, request))
16110 goto nla_put_failure;
16112 genlmsg_end(msg, hdr);
16115 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
16116 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
16125 static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
16126 struct net_device *netdev,
16127 const u8 *buf, size_t len,
16128 enum nl80211_commands cmd, gfp_t gfp,
16129 int uapsd_queues, const u8 *req_ies,
16130 size_t req_ies_len, bool reconnect)
16132 struct sk_buff *msg;
16135 msg = nlmsg_new(100 + len + req_ies_len, gfp);
16139 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
16145 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16146 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16147 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
16149 nla_put(msg, NL80211_ATTR_REQ_IE, req_ies_len, req_ies)))
16150 goto nla_put_failure;
16152 if (reconnect && nla_put_flag(msg, NL80211_ATTR_RECONNECT_REQUESTED))
16153 goto nla_put_failure;
16155 if (uapsd_queues >= 0) {
16156 struct nlattr *nla_wmm =
16157 nla_nest_start_noflag(msg, NL80211_ATTR_STA_WME);
16159 goto nla_put_failure;
16161 if (nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES,
16163 goto nla_put_failure;
16165 nla_nest_end(msg, nla_wmm);
16168 genlmsg_end(msg, hdr);
16170 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16171 NL80211_MCGRP_MLME, gfp);
16178 void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev,
16179 struct net_device *netdev, const u8 *buf,
16180 size_t len, gfp_t gfp)
16182 nl80211_send_mlme_event(rdev, netdev, buf, len,
16183 NL80211_CMD_AUTHENTICATE, gfp, -1, NULL, 0,
16187 void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev,
16188 struct net_device *netdev, const u8 *buf,
16189 size_t len, gfp_t gfp, int uapsd_queues,
16190 const u8 *req_ies, size_t req_ies_len)
16192 nl80211_send_mlme_event(rdev, netdev, buf, len,
16193 NL80211_CMD_ASSOCIATE, gfp, uapsd_queues,
16194 req_ies, req_ies_len, false);
16197 void nl80211_send_deauth(struct cfg80211_registered_device *rdev,
16198 struct net_device *netdev, const u8 *buf,
16199 size_t len, bool reconnect, gfp_t gfp)
16201 nl80211_send_mlme_event(rdev, netdev, buf, len,
16202 NL80211_CMD_DEAUTHENTICATE, gfp, -1, NULL, 0,
16206 void nl80211_send_disassoc(struct cfg80211_registered_device *rdev,
16207 struct net_device *netdev, const u8 *buf,
16208 size_t len, bool reconnect, gfp_t gfp)
16210 nl80211_send_mlme_event(rdev, netdev, buf, len,
16211 NL80211_CMD_DISASSOCIATE, gfp, -1, NULL, 0,
16215 void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf,
16218 struct wireless_dev *wdev = dev->ieee80211_ptr;
16219 struct wiphy *wiphy = wdev->wiphy;
16220 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16221 const struct ieee80211_mgmt *mgmt = (void *)buf;
16224 if (WARN_ON(len < 2))
16227 if (ieee80211_is_deauth(mgmt->frame_control)) {
16228 cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE;
16229 } else if (ieee80211_is_disassoc(mgmt->frame_control)) {
16230 cmd = NL80211_CMD_UNPROT_DISASSOCIATE;
16231 } else if (ieee80211_is_beacon(mgmt->frame_control)) {
16232 if (wdev->unprot_beacon_reported &&
16233 elapsed_jiffies_msecs(wdev->unprot_beacon_reported) < 10000)
16235 cmd = NL80211_CMD_UNPROT_BEACON;
16236 wdev->unprot_beacon_reported = jiffies;
16241 trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len);
16242 nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC, -1,
16245 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt);
16247 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev,
16248 struct net_device *netdev, int cmd,
16249 const u8 *addr, gfp_t gfp)
16251 struct sk_buff *msg;
16254 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16258 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
16264 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16265 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16266 nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
16267 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
16268 goto nla_put_failure;
16270 genlmsg_end(msg, hdr);
16272 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16273 NL80211_MCGRP_MLME, gfp);
16280 void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev,
16281 struct net_device *netdev, const u8 *addr,
16284 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE,
16288 void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev,
16289 struct net_device *netdev, const u8 *addr,
16292 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE,
16296 void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
16297 struct net_device *netdev,
16298 struct cfg80211_connect_resp_params *cr,
16301 struct sk_buff *msg;
16304 msg = nlmsg_new(100 + cr->req_ie_len + cr->resp_ie_len +
16305 cr->fils.kek_len + cr->fils.pmk_len +
16306 (cr->fils.pmkid ? WLAN_PMKID_LEN : 0), gfp);
16310 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT);
16316 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16317 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16319 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, cr->bssid)) ||
16320 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE,
16321 cr->status < 0 ? WLAN_STATUS_UNSPECIFIED_FAILURE :
16324 (nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
16325 nla_put_u32(msg, NL80211_ATTR_TIMEOUT_REASON,
16326 cr->timeout_reason))) ||
16328 nla_put(msg, NL80211_ATTR_REQ_IE, cr->req_ie_len, cr->req_ie)) ||
16330 nla_put(msg, NL80211_ATTR_RESP_IE, cr->resp_ie_len,
16332 (cr->fils.update_erp_next_seq_num &&
16333 nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
16334 cr->fils.erp_next_seq_num)) ||
16335 (cr->status == WLAN_STATUS_SUCCESS &&
16337 nla_put(msg, NL80211_ATTR_FILS_KEK, cr->fils.kek_len,
16340 nla_put(msg, NL80211_ATTR_PMK, cr->fils.pmk_len, cr->fils.pmk)) ||
16342 nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, cr->fils.pmkid)))))
16343 goto nla_put_failure;
16345 genlmsg_end(msg, hdr);
16347 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16348 NL80211_MCGRP_MLME, gfp);
16355 void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
16356 struct net_device *netdev,
16357 struct cfg80211_roam_info *info, gfp_t gfp)
16359 struct sk_buff *msg;
16361 const u8 *bssid = info->bss ? info->bss->bssid : info->bssid;
16363 msg = nlmsg_new(100 + info->req_ie_len + info->resp_ie_len +
16364 info->fils.kek_len + info->fils.pmk_len +
16365 (info->fils.pmkid ? WLAN_PMKID_LEN : 0), gfp);
16369 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM);
16375 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16376 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16377 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid) ||
16379 nla_put(msg, NL80211_ATTR_REQ_IE, info->req_ie_len,
16382 nla_put(msg, NL80211_ATTR_RESP_IE, info->resp_ie_len,
16384 (info->fils.update_erp_next_seq_num &&
16385 nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
16386 info->fils.erp_next_seq_num)) ||
16388 nla_put(msg, NL80211_ATTR_FILS_KEK, info->fils.kek_len,
16389 info->fils.kek)) ||
16391 nla_put(msg, NL80211_ATTR_PMK, info->fils.pmk_len, info->fils.pmk)) ||
16392 (info->fils.pmkid &&
16393 nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, info->fils.pmkid)))
16394 goto nla_put_failure;
16396 genlmsg_end(msg, hdr);
16398 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16399 NL80211_MCGRP_MLME, gfp);
16406 void nl80211_send_port_authorized(struct cfg80211_registered_device *rdev,
16407 struct net_device *netdev, const u8 *bssid)
16409 struct sk_buff *msg;
16412 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
16416 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PORT_AUTHORIZED);
16422 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16423 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16424 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
16425 goto nla_put_failure;
16427 genlmsg_end(msg, hdr);
16429 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16430 NL80211_MCGRP_MLME, GFP_KERNEL);
16437 void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
16438 struct net_device *netdev, u16 reason,
16439 const u8 *ie, size_t ie_len, bool from_ap)
16441 struct sk_buff *msg;
16444 msg = nlmsg_new(100 + ie_len, GFP_KERNEL);
16448 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT);
16454 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16455 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16457 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) ||
16459 nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) ||
16460 (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie)))
16461 goto nla_put_failure;
16463 genlmsg_end(msg, hdr);
16465 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16466 NL80211_MCGRP_MLME, GFP_KERNEL);
16473 void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev,
16474 struct net_device *netdev, const u8 *bssid,
16477 struct sk_buff *msg;
16480 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16484 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS);
16490 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16491 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16492 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
16493 goto nla_put_failure;
16495 genlmsg_end(msg, hdr);
16497 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16498 NL80211_MCGRP_MLME, gfp);
16505 void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr,
16506 const u8 *ie, u8 ie_len,
16507 int sig_dbm, gfp_t gfp)
16509 struct wireless_dev *wdev = dev->ieee80211_ptr;
16510 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16511 struct sk_buff *msg;
16514 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT))
16517 trace_cfg80211_notify_new_peer_candidate(dev, addr);
16519 msg = nlmsg_new(100 + ie_len, gfp);
16523 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE);
16529 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16530 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16531 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
16533 nla_put(msg, NL80211_ATTR_IE, ie_len, ie)) ||
16535 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)))
16536 goto nla_put_failure;
16538 genlmsg_end(msg, hdr);
16540 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16541 NL80211_MCGRP_MLME, gfp);
16547 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate);
16549 void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
16550 struct net_device *netdev, const u8 *addr,
16551 enum nl80211_key_type key_type, int key_id,
16552 const u8 *tsc, gfp_t gfp)
16554 struct sk_buff *msg;
16557 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16561 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE);
16567 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16568 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16569 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
16570 nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) ||
16572 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) ||
16573 (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc)))
16574 goto nla_put_failure;
16576 genlmsg_end(msg, hdr);
16578 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16579 NL80211_MCGRP_MLME, gfp);
16586 void nl80211_send_beacon_hint_event(struct wiphy *wiphy,
16587 struct ieee80211_channel *channel_before,
16588 struct ieee80211_channel *channel_after)
16590 struct sk_buff *msg;
16592 struct nlattr *nl_freq;
16594 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
16598 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT);
16605 * Since we are applying the beacon hint to a wiphy we know its
16606 * wiphy_idx is valid
16608 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
16609 goto nla_put_failure;
16612 nl_freq = nla_nest_start_noflag(msg, NL80211_ATTR_FREQ_BEFORE);
16614 goto nla_put_failure;
16616 if (nl80211_msg_put_channel(msg, wiphy, channel_before, false))
16617 goto nla_put_failure;
16618 nla_nest_end(msg, nl_freq);
16621 nl_freq = nla_nest_start_noflag(msg, NL80211_ATTR_FREQ_AFTER);
16623 goto nla_put_failure;
16625 if (nl80211_msg_put_channel(msg, wiphy, channel_after, false))
16626 goto nla_put_failure;
16627 nla_nest_end(msg, nl_freq);
16629 genlmsg_end(msg, hdr);
16632 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
16633 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
16642 static void nl80211_send_remain_on_chan_event(
16643 int cmd, struct cfg80211_registered_device *rdev,
16644 struct wireless_dev *wdev, u64 cookie,
16645 struct ieee80211_channel *chan,
16646 unsigned int duration, gfp_t gfp)
16648 struct sk_buff *msg;
16651 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16655 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
16661 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16662 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
16663 wdev->netdev->ifindex)) ||
16664 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16665 NL80211_ATTR_PAD) ||
16666 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) ||
16667 nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
16668 NL80211_CHAN_NO_HT) ||
16669 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
16671 goto nla_put_failure;
16673 if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL &&
16674 nla_put_u32(msg, NL80211_ATTR_DURATION, duration))
16675 goto nla_put_failure;
16677 genlmsg_end(msg, hdr);
16679 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16680 NL80211_MCGRP_MLME, gfp);
16687 void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie,
16688 struct ieee80211_channel *chan,
16689 unsigned int duration, gfp_t gfp)
16691 struct wiphy *wiphy = wdev->wiphy;
16692 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16694 trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration);
16695 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL,
16696 rdev, wdev, cookie, chan,
16699 EXPORT_SYMBOL(cfg80211_ready_on_channel);
16701 void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie,
16702 struct ieee80211_channel *chan,
16705 struct wiphy *wiphy = wdev->wiphy;
16706 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16708 trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan);
16709 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
16710 rdev, wdev, cookie, chan, 0, gfp);
16712 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired);
16714 void cfg80211_tx_mgmt_expired(struct wireless_dev *wdev, u64 cookie,
16715 struct ieee80211_channel *chan,
16718 struct wiphy *wiphy = wdev->wiphy;
16719 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16721 trace_cfg80211_tx_mgmt_expired(wdev, cookie, chan);
16722 nl80211_send_remain_on_chan_event(NL80211_CMD_FRAME_WAIT_CANCEL,
16723 rdev, wdev, cookie, chan, 0, gfp);
16725 EXPORT_SYMBOL(cfg80211_tx_mgmt_expired);
16727 void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr,
16728 struct station_info *sinfo, gfp_t gfp)
16730 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
16731 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16732 struct sk_buff *msg;
16734 trace_cfg80211_new_sta(dev, mac_addr, sinfo);
16736 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16740 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION, 0, 0, 0,
16741 rdev, dev, mac_addr, sinfo) < 0) {
16746 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16747 NL80211_MCGRP_MLME, gfp);
16749 EXPORT_SYMBOL(cfg80211_new_sta);
16751 void cfg80211_del_sta_sinfo(struct net_device *dev, const u8 *mac_addr,
16752 struct station_info *sinfo, gfp_t gfp)
16754 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
16755 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16756 struct sk_buff *msg;
16757 struct station_info empty_sinfo = {};
16760 sinfo = &empty_sinfo;
16762 trace_cfg80211_del_sta(dev, mac_addr);
16764 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16766 cfg80211_sinfo_release_content(sinfo);
16770 if (nl80211_send_station(msg, NL80211_CMD_DEL_STATION, 0, 0, 0,
16771 rdev, dev, mac_addr, sinfo) < 0) {
16776 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16777 NL80211_MCGRP_MLME, gfp);
16779 EXPORT_SYMBOL(cfg80211_del_sta_sinfo);
16781 void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr,
16782 enum nl80211_connect_failed_reason reason,
16785 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
16786 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16787 struct sk_buff *msg;
16790 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
16794 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED);
16800 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16801 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
16802 nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason))
16803 goto nla_put_failure;
16805 genlmsg_end(msg, hdr);
16807 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16808 NL80211_MCGRP_MLME, gfp);
16814 EXPORT_SYMBOL(cfg80211_conn_failed);
16816 static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd,
16817 const u8 *addr, gfp_t gfp)
16819 struct wireless_dev *wdev = dev->ieee80211_ptr;
16820 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16821 struct sk_buff *msg;
16823 u32 nlportid = READ_ONCE(wdev->ap_unexpected_nlportid);
16828 msg = nlmsg_new(100, gfp);
16832 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
16838 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16839 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16840 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
16841 goto nla_put_failure;
16843 genlmsg_end(msg, hdr);
16844 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
16852 bool cfg80211_rx_spurious_frame(struct net_device *dev,
16853 const u8 *addr, gfp_t gfp)
16855 struct wireless_dev *wdev = dev->ieee80211_ptr;
16858 trace_cfg80211_rx_spurious_frame(dev, addr);
16860 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
16861 wdev->iftype != NL80211_IFTYPE_P2P_GO)) {
16862 trace_cfg80211_return_bool(false);
16865 ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME,
16867 trace_cfg80211_return_bool(ret);
16870 EXPORT_SYMBOL(cfg80211_rx_spurious_frame);
16872 bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev,
16873 const u8 *addr, gfp_t gfp)
16875 struct wireless_dev *wdev = dev->ieee80211_ptr;
16878 trace_cfg80211_rx_unexpected_4addr_frame(dev, addr);
16880 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
16881 wdev->iftype != NL80211_IFTYPE_P2P_GO &&
16882 wdev->iftype != NL80211_IFTYPE_AP_VLAN)) {
16883 trace_cfg80211_return_bool(false);
16886 ret = __nl80211_unexpected_frame(dev,
16887 NL80211_CMD_UNEXPECTED_4ADDR_FRAME,
16889 trace_cfg80211_return_bool(ret);
16892 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame);
16894 int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
16895 struct wireless_dev *wdev, u32 nlportid,
16896 int freq, int sig_dbm,
16897 const u8 *buf, size_t len, u32 flags, gfp_t gfp)
16899 struct net_device *netdev = wdev->netdev;
16900 struct sk_buff *msg;
16903 msg = nlmsg_new(100 + len, gfp);
16907 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
16913 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16914 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
16915 netdev->ifindex)) ||
16916 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16917 NL80211_ATTR_PAD) ||
16918 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, KHZ_TO_MHZ(freq)) ||
16919 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_OFFSET, freq % 1000) ||
16921 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
16922 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
16924 nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, flags)))
16925 goto nla_put_failure;
16927 genlmsg_end(msg, hdr);
16929 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
16936 static void nl80211_frame_tx_status(struct wireless_dev *wdev, u64 cookie,
16937 const u8 *buf, size_t len, bool ack,
16938 gfp_t gfp, enum nl80211_commands command)
16940 struct wiphy *wiphy = wdev->wiphy;
16941 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16942 struct net_device *netdev = wdev->netdev;
16943 struct sk_buff *msg;
16946 if (command == NL80211_CMD_FRAME_TX_STATUS)
16947 trace_cfg80211_mgmt_tx_status(wdev, cookie, ack);
16949 trace_cfg80211_control_port_tx_status(wdev, cookie, ack);
16951 msg = nlmsg_new(100 + len, gfp);
16955 hdr = nl80211hdr_put(msg, 0, 0, 0, command);
16961 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16962 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
16963 netdev->ifindex)) ||
16964 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16965 NL80211_ATTR_PAD) ||
16966 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
16967 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
16968 NL80211_ATTR_PAD) ||
16969 (ack && nla_put_flag(msg, NL80211_ATTR_ACK)))
16970 goto nla_put_failure;
16972 genlmsg_end(msg, hdr);
16974 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16975 NL80211_MCGRP_MLME, gfp);
16982 void cfg80211_control_port_tx_status(struct wireless_dev *wdev, u64 cookie,
16983 const u8 *buf, size_t len, bool ack,
16986 nl80211_frame_tx_status(wdev, cookie, buf, len, ack, gfp,
16987 NL80211_CMD_CONTROL_PORT_FRAME_TX_STATUS);
16989 EXPORT_SYMBOL(cfg80211_control_port_tx_status);
16991 void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie,
16992 const u8 *buf, size_t len, bool ack, gfp_t gfp)
16994 nl80211_frame_tx_status(wdev, cookie, buf, len, ack, gfp,
16995 NL80211_CMD_FRAME_TX_STATUS);
16997 EXPORT_SYMBOL(cfg80211_mgmt_tx_status);
16999 static int __nl80211_rx_control_port(struct net_device *dev,
17000 struct sk_buff *skb,
17001 bool unencrypted, gfp_t gfp)
17003 struct wireless_dev *wdev = dev->ieee80211_ptr;
17004 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
17005 struct ethhdr *ehdr = eth_hdr(skb);
17006 const u8 *addr = ehdr->h_source;
17007 u16 proto = be16_to_cpu(skb->protocol);
17008 struct sk_buff *msg;
17010 struct nlattr *frame;
17012 u32 nlportid = READ_ONCE(wdev->conn_owner_nlportid);
17017 msg = nlmsg_new(100 + skb->len, gfp);
17021 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONTROL_PORT_FRAME);
17027 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17028 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
17029 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
17030 NL80211_ATTR_PAD) ||
17031 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
17032 nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, proto) ||
17033 (unencrypted && nla_put_flag(msg,
17034 NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)))
17035 goto nla_put_failure;
17037 frame = nla_reserve(msg, NL80211_ATTR_FRAME, skb->len);
17039 goto nla_put_failure;
17041 skb_copy_bits(skb, 0, nla_data(frame), skb->len);
17042 genlmsg_end(msg, hdr);
17044 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
17051 bool cfg80211_rx_control_port(struct net_device *dev,
17052 struct sk_buff *skb, bool unencrypted)
17056 trace_cfg80211_rx_control_port(dev, skb, unencrypted);
17057 ret = __nl80211_rx_control_port(dev, skb, unencrypted, GFP_ATOMIC);
17058 trace_cfg80211_return_bool(ret == 0);
17061 EXPORT_SYMBOL(cfg80211_rx_control_port);
17063 static struct sk_buff *cfg80211_prepare_cqm(struct net_device *dev,
17064 const char *mac, gfp_t gfp)
17066 struct wireless_dev *wdev = dev->ieee80211_ptr;
17067 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
17068 struct sk_buff *msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17074 cb = (void **)msg->cb;
17076 cb[0] = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
17082 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17083 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
17084 goto nla_put_failure;
17086 if (mac && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
17087 goto nla_put_failure;
17089 cb[1] = nla_nest_start_noflag(msg, NL80211_ATTR_CQM);
17091 goto nla_put_failure;
17101 static void cfg80211_send_cqm(struct sk_buff *msg, gfp_t gfp)
17103 void **cb = (void **)msg->cb;
17104 struct cfg80211_registered_device *rdev = cb[2];
17106 nla_nest_end(msg, cb[1]);
17107 genlmsg_end(msg, cb[0]);
17109 memset(msg->cb, 0, sizeof(msg->cb));
17111 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17112 NL80211_MCGRP_MLME, gfp);
17115 void cfg80211_cqm_rssi_notify(struct net_device *dev,
17116 enum nl80211_cqm_rssi_threshold_event rssi_event,
17117 s32 rssi_level, gfp_t gfp)
17119 struct sk_buff *msg;
17120 struct wireless_dev *wdev = dev->ieee80211_ptr;
17121 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
17123 trace_cfg80211_cqm_rssi_notify(dev, rssi_event, rssi_level);
17125 if (WARN_ON(rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW &&
17126 rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH))
17129 if (wdev->cqm_config) {
17130 wdev->cqm_config->last_rssi_event_value = rssi_level;
17132 cfg80211_cqm_rssi_update(rdev, dev);
17134 if (rssi_level == 0)
17135 rssi_level = wdev->cqm_config->last_rssi_event_value;
17138 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
17142 if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT,
17144 goto nla_put_failure;
17146 if (rssi_level && nla_put_s32(msg, NL80211_ATTR_CQM_RSSI_LEVEL,
17148 goto nla_put_failure;
17150 cfg80211_send_cqm(msg, gfp);
17157 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify);
17159 void cfg80211_cqm_txe_notify(struct net_device *dev,
17160 const u8 *peer, u32 num_packets,
17161 u32 rate, u32 intvl, gfp_t gfp)
17163 struct sk_buff *msg;
17165 msg = cfg80211_prepare_cqm(dev, peer, gfp);
17169 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets))
17170 goto nla_put_failure;
17172 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate))
17173 goto nla_put_failure;
17175 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl))
17176 goto nla_put_failure;
17178 cfg80211_send_cqm(msg, gfp);
17184 EXPORT_SYMBOL(cfg80211_cqm_txe_notify);
17186 void cfg80211_cqm_pktloss_notify(struct net_device *dev,
17187 const u8 *peer, u32 num_packets, gfp_t gfp)
17189 struct sk_buff *msg;
17191 trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets);
17193 msg = cfg80211_prepare_cqm(dev, peer, gfp);
17197 if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets))
17198 goto nla_put_failure;
17200 cfg80211_send_cqm(msg, gfp);
17206 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify);
17208 void cfg80211_cqm_beacon_loss_notify(struct net_device *dev, gfp_t gfp)
17210 struct sk_buff *msg;
17212 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
17216 if (nla_put_flag(msg, NL80211_ATTR_CQM_BEACON_LOSS_EVENT))
17217 goto nla_put_failure;
17219 cfg80211_send_cqm(msg, gfp);
17225 EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify);
17227 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev,
17228 struct net_device *netdev, const u8 *bssid,
17229 const u8 *replay_ctr, gfp_t gfp)
17231 struct sk_buff *msg;
17232 struct nlattr *rekey_attr;
17235 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17239 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD);
17245 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17246 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
17247 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
17248 goto nla_put_failure;
17250 rekey_attr = nla_nest_start_noflag(msg, NL80211_ATTR_REKEY_DATA);
17252 goto nla_put_failure;
17254 if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR,
17255 NL80211_REPLAY_CTR_LEN, replay_ctr))
17256 goto nla_put_failure;
17258 nla_nest_end(msg, rekey_attr);
17260 genlmsg_end(msg, hdr);
17262 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17263 NL80211_MCGRP_MLME, gfp);
17270 void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid,
17271 const u8 *replay_ctr, gfp_t gfp)
17273 struct wireless_dev *wdev = dev->ieee80211_ptr;
17274 struct wiphy *wiphy = wdev->wiphy;
17275 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17277 trace_cfg80211_gtk_rekey_notify(dev, bssid);
17278 nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp);
17280 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify);
17283 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev,
17284 struct net_device *netdev, int index,
17285 const u8 *bssid, bool preauth, gfp_t gfp)
17287 struct sk_buff *msg;
17288 struct nlattr *attr;
17291 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17295 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE);
17301 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17302 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
17303 goto nla_put_failure;
17305 attr = nla_nest_start_noflag(msg, NL80211_ATTR_PMKSA_CANDIDATE);
17307 goto nla_put_failure;
17309 if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) ||
17310 nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) ||
17312 nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH)))
17313 goto nla_put_failure;
17315 nla_nest_end(msg, attr);
17317 genlmsg_end(msg, hdr);
17319 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17320 NL80211_MCGRP_MLME, gfp);
17327 void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index,
17328 const u8 *bssid, bool preauth, gfp_t gfp)
17330 struct wireless_dev *wdev = dev->ieee80211_ptr;
17331 struct wiphy *wiphy = wdev->wiphy;
17332 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17334 trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth);
17335 nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp);
17337 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify);
17339 static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev,
17340 struct net_device *netdev,
17341 struct cfg80211_chan_def *chandef,
17343 enum nl80211_commands notif,
17344 u8 count, bool quiet)
17346 struct sk_buff *msg;
17349 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17353 hdr = nl80211hdr_put(msg, 0, 0, 0, notif);
17359 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
17360 goto nla_put_failure;
17362 if (nl80211_send_chandef(msg, chandef))
17363 goto nla_put_failure;
17365 if (notif == NL80211_CMD_CH_SWITCH_STARTED_NOTIFY) {
17366 if (nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT, count))
17367 goto nla_put_failure;
17369 nla_put_flag(msg, NL80211_ATTR_CH_SWITCH_BLOCK_TX))
17370 goto nla_put_failure;
17373 genlmsg_end(msg, hdr);
17375 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17376 NL80211_MCGRP_MLME, gfp);
17383 void cfg80211_ch_switch_notify(struct net_device *dev,
17384 struct cfg80211_chan_def *chandef)
17386 struct wireless_dev *wdev = dev->ieee80211_ptr;
17387 struct wiphy *wiphy = wdev->wiphy;
17388 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17390 ASSERT_WDEV_LOCK(wdev);
17392 trace_cfg80211_ch_switch_notify(dev, chandef);
17394 wdev->chandef = *chandef;
17395 wdev->preset_chandef = *chandef;
17397 if (wdev->iftype == NL80211_IFTYPE_STATION &&
17398 !WARN_ON(!wdev->current_bss))
17399 cfg80211_update_assoc_bss_entry(wdev, chandef->chan);
17401 cfg80211_sched_dfs_chan_update(rdev);
17403 nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL,
17404 NL80211_CMD_CH_SWITCH_NOTIFY, 0, false);
17406 EXPORT_SYMBOL(cfg80211_ch_switch_notify);
17408 void cfg80211_ch_switch_started_notify(struct net_device *dev,
17409 struct cfg80211_chan_def *chandef,
17410 u8 count, bool quiet)
17412 struct wireless_dev *wdev = dev->ieee80211_ptr;
17413 struct wiphy *wiphy = wdev->wiphy;
17414 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17416 trace_cfg80211_ch_switch_started_notify(dev, chandef);
17418 nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL,
17419 NL80211_CMD_CH_SWITCH_STARTED_NOTIFY,
17422 EXPORT_SYMBOL(cfg80211_ch_switch_started_notify);
17425 nl80211_radar_notify(struct cfg80211_registered_device *rdev,
17426 const struct cfg80211_chan_def *chandef,
17427 enum nl80211_radar_event event,
17428 struct net_device *netdev, gfp_t gfp)
17430 struct sk_buff *msg;
17433 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17437 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT);
17443 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
17444 goto nla_put_failure;
17446 /* NOP and radar events don't need a netdev parameter */
17448 struct wireless_dev *wdev = netdev->ieee80211_ptr;
17450 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
17451 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
17453 goto nla_put_failure;
17456 if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event))
17457 goto nla_put_failure;
17459 if (nl80211_send_chandef(msg, chandef))
17460 goto nla_put_failure;
17462 genlmsg_end(msg, hdr);
17464 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17465 NL80211_MCGRP_MLME, gfp);
17472 void cfg80211_sta_opmode_change_notify(struct net_device *dev, const u8 *mac,
17473 struct sta_opmode_info *sta_opmode,
17476 struct sk_buff *msg;
17477 struct wireless_dev *wdev = dev->ieee80211_ptr;
17478 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
17484 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17488 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STA_OPMODE_CHANGED);
17494 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
17495 goto nla_put_failure;
17497 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
17498 goto nla_put_failure;
17500 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
17501 goto nla_put_failure;
17503 if ((sta_opmode->changed & STA_OPMODE_SMPS_MODE_CHANGED) &&
17504 nla_put_u8(msg, NL80211_ATTR_SMPS_MODE, sta_opmode->smps_mode))
17505 goto nla_put_failure;
17507 if ((sta_opmode->changed & STA_OPMODE_MAX_BW_CHANGED) &&
17508 nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, sta_opmode->bw))
17509 goto nla_put_failure;
17511 if ((sta_opmode->changed & STA_OPMODE_N_SS_CHANGED) &&
17512 nla_put_u8(msg, NL80211_ATTR_NSS, sta_opmode->rx_nss))
17513 goto nla_put_failure;
17515 genlmsg_end(msg, hdr);
17517 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17518 NL80211_MCGRP_MLME, gfp);
17525 EXPORT_SYMBOL(cfg80211_sta_opmode_change_notify);
17527 void cfg80211_probe_status(struct net_device *dev, const u8 *addr,
17528 u64 cookie, bool acked, s32 ack_signal,
17529 bool is_valid_ack_signal, gfp_t gfp)
17531 struct wireless_dev *wdev = dev->ieee80211_ptr;
17532 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
17533 struct sk_buff *msg;
17536 trace_cfg80211_probe_status(dev, addr, cookie, acked);
17538 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17543 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT);
17549 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17550 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
17551 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
17552 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
17553 NL80211_ATTR_PAD) ||
17554 (acked && nla_put_flag(msg, NL80211_ATTR_ACK)) ||
17555 (is_valid_ack_signal && nla_put_s32(msg, NL80211_ATTR_ACK_SIGNAL,
17557 goto nla_put_failure;
17559 genlmsg_end(msg, hdr);
17561 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17562 NL80211_MCGRP_MLME, gfp);
17568 EXPORT_SYMBOL(cfg80211_probe_status);
17570 void cfg80211_report_obss_beacon_khz(struct wiphy *wiphy, const u8 *frame,
17571 size_t len, int freq, int sig_dbm)
17573 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17574 struct sk_buff *msg;
17576 struct cfg80211_beacon_registration *reg;
17578 trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm);
17580 spin_lock_bh(&rdev->beacon_registrations_lock);
17581 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
17582 msg = nlmsg_new(len + 100, GFP_ATOMIC);
17584 spin_unlock_bh(&rdev->beacon_registrations_lock);
17588 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
17590 goto nla_put_failure;
17592 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17594 (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
17595 KHZ_TO_MHZ(freq)) ||
17596 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_OFFSET,
17599 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
17600 nla_put(msg, NL80211_ATTR_FRAME, len, frame))
17601 goto nla_put_failure;
17603 genlmsg_end(msg, hdr);
17605 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid);
17607 spin_unlock_bh(&rdev->beacon_registrations_lock);
17611 spin_unlock_bh(&rdev->beacon_registrations_lock);
17614 EXPORT_SYMBOL(cfg80211_report_obss_beacon_khz);
17617 static int cfg80211_net_detect_results(struct sk_buff *msg,
17618 struct cfg80211_wowlan_wakeup *wakeup)
17620 struct cfg80211_wowlan_nd_info *nd = wakeup->net_detect;
17621 struct nlattr *nl_results, *nl_match, *nl_freqs;
17624 nl_results = nla_nest_start_noflag(msg,
17625 NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS);
17629 for (i = 0; i < nd->n_matches; i++) {
17630 struct cfg80211_wowlan_nd_match *match = nd->matches[i];
17632 nl_match = nla_nest_start_noflag(msg, i);
17636 /* The SSID attribute is optional in nl80211, but for
17637 * simplicity reasons it's always present in the
17638 * cfg80211 structure. If a driver can't pass the
17639 * SSID, that needs to be changed. A zero length SSID
17640 * is still a valid SSID (wildcard), so it cannot be
17641 * used for this purpose.
17643 if (nla_put(msg, NL80211_ATTR_SSID, match->ssid.ssid_len,
17644 match->ssid.ssid)) {
17645 nla_nest_cancel(msg, nl_match);
17649 if (match->n_channels) {
17650 nl_freqs = nla_nest_start_noflag(msg,
17651 NL80211_ATTR_SCAN_FREQUENCIES);
17653 nla_nest_cancel(msg, nl_match);
17657 for (j = 0; j < match->n_channels; j++) {
17658 if (nla_put_u32(msg, j, match->channels[j])) {
17659 nla_nest_cancel(msg, nl_freqs);
17660 nla_nest_cancel(msg, nl_match);
17665 nla_nest_end(msg, nl_freqs);
17668 nla_nest_end(msg, nl_match);
17672 nla_nest_end(msg, nl_results);
17676 void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev,
17677 struct cfg80211_wowlan_wakeup *wakeup,
17680 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
17681 struct sk_buff *msg;
17685 trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup);
17688 size += wakeup->packet_present_len;
17690 msg = nlmsg_new(size, gfp);
17694 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN);
17698 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17699 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
17703 if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
17704 wdev->netdev->ifindex))
17708 struct nlattr *reasons;
17710 reasons = nla_nest_start_noflag(msg,
17711 NL80211_ATTR_WOWLAN_TRIGGERS);
17715 if (wakeup->disconnect &&
17716 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT))
17718 if (wakeup->magic_pkt &&
17719 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT))
17721 if (wakeup->gtk_rekey_failure &&
17722 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE))
17724 if (wakeup->eap_identity_req &&
17725 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST))
17727 if (wakeup->four_way_handshake &&
17728 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE))
17730 if (wakeup->rfkill_release &&
17731 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))
17734 if (wakeup->pattern_idx >= 0 &&
17735 nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
17736 wakeup->pattern_idx))
17739 if (wakeup->tcp_match &&
17740 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH))
17743 if (wakeup->tcp_connlost &&
17744 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST))
17747 if (wakeup->tcp_nomoretokens &&
17749 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS))
17752 if (wakeup->packet) {
17753 u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211;
17754 u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN;
17756 if (!wakeup->packet_80211) {
17758 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023;
17760 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN;
17763 if (wakeup->packet_len &&
17764 nla_put_u32(msg, len_attr, wakeup->packet_len))
17767 if (nla_put(msg, pkt_attr, wakeup->packet_present_len,
17772 if (wakeup->net_detect &&
17773 cfg80211_net_detect_results(msg, wakeup))
17776 nla_nest_end(msg, reasons);
17779 genlmsg_end(msg, hdr);
17781 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17782 NL80211_MCGRP_MLME, gfp);
17788 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup);
17791 void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer,
17792 enum nl80211_tdls_operation oper,
17793 u16 reason_code, gfp_t gfp)
17795 struct wireless_dev *wdev = dev->ieee80211_ptr;
17796 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
17797 struct sk_buff *msg;
17800 trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper,
17803 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17807 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER);
17813 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17814 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
17815 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) ||
17816 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) ||
17817 (reason_code > 0 &&
17818 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code)))
17819 goto nla_put_failure;
17821 genlmsg_end(msg, hdr);
17823 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17824 NL80211_MCGRP_MLME, gfp);
17830 EXPORT_SYMBOL(cfg80211_tdls_oper_request);
17832 static int nl80211_netlink_notify(struct notifier_block * nb,
17833 unsigned long state,
17836 struct netlink_notify *notify = _notify;
17837 struct cfg80211_registered_device *rdev;
17838 struct wireless_dev *wdev;
17839 struct cfg80211_beacon_registration *reg, *tmp;
17841 if (state != NETLINK_URELEASE || notify->protocol != NETLINK_GENERIC)
17842 return NOTIFY_DONE;
17846 list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) {
17847 struct cfg80211_sched_scan_request *sched_scan_req;
17849 list_for_each_entry_rcu(sched_scan_req,
17850 &rdev->sched_scan_req_list,
17852 if (sched_scan_req->owner_nlportid == notify->portid) {
17853 sched_scan_req->nl_owner_dead = true;
17854 schedule_work(&rdev->sched_scan_stop_wk);
17858 list_for_each_entry_rcu(wdev, &rdev->wiphy.wdev_list, list) {
17859 cfg80211_mlme_unregister_socket(wdev, notify->portid);
17861 if (wdev->owner_nlportid == notify->portid) {
17862 wdev->nl_owner_dead = true;
17863 schedule_work(&rdev->destroy_work);
17864 } else if (wdev->conn_owner_nlportid == notify->portid) {
17865 schedule_work(&wdev->disconnect_wk);
17868 cfg80211_release_pmsr(wdev, notify->portid);
17871 spin_lock_bh(&rdev->beacon_registrations_lock);
17872 list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations,
17874 if (reg->nlportid == notify->portid) {
17875 list_del(®->list);
17880 spin_unlock_bh(&rdev->beacon_registrations_lock);
17886 * It is possible that the user space process that is controlling the
17887 * indoor setting disappeared, so notify the regulatory core.
17889 regulatory_netlink_notify(notify->portid);
17893 static struct notifier_block nl80211_netlink_notifier = {
17894 .notifier_call = nl80211_netlink_notify,
17897 void cfg80211_ft_event(struct net_device *netdev,
17898 struct cfg80211_ft_event_params *ft_event)
17900 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
17901 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17902 struct sk_buff *msg;
17905 trace_cfg80211_ft_event(wiphy, netdev, ft_event);
17907 if (!ft_event->target_ap)
17910 msg = nlmsg_new(100 + ft_event->ies_len + ft_event->ric_ies_len,
17915 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT);
17919 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17920 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
17921 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap))
17924 if (ft_event->ies &&
17925 nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies))
17927 if (ft_event->ric_ies &&
17928 nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len,
17929 ft_event->ric_ies))
17932 genlmsg_end(msg, hdr);
17934 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17935 NL80211_MCGRP_MLME, GFP_KERNEL);
17940 EXPORT_SYMBOL(cfg80211_ft_event);
17942 void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp)
17944 struct cfg80211_registered_device *rdev;
17945 struct sk_buff *msg;
17949 rdev = wiphy_to_rdev(wdev->wiphy);
17950 if (!rdev->crit_proto_nlportid)
17953 nlportid = rdev->crit_proto_nlportid;
17954 rdev->crit_proto_nlportid = 0;
17956 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17960 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP);
17962 goto nla_put_failure;
17964 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17965 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
17967 goto nla_put_failure;
17969 genlmsg_end(msg, hdr);
17971 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
17977 EXPORT_SYMBOL(cfg80211_crit_proto_stopped);
17979 void nl80211_send_ap_stopped(struct wireless_dev *wdev)
17981 struct wiphy *wiphy = wdev->wiphy;
17982 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17983 struct sk_buff *msg;
17986 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
17990 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STOP_AP);
17994 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17995 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex) ||
17996 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
18000 genlmsg_end(msg, hdr);
18002 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(wiphy), msg, 0,
18003 NL80211_MCGRP_MLME, GFP_KERNEL);
18009 int cfg80211_external_auth_request(struct net_device *dev,
18010 struct cfg80211_external_auth_params *params,
18013 struct wireless_dev *wdev = dev->ieee80211_ptr;
18014 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
18015 struct sk_buff *msg;
18018 if (!wdev->conn_owner_nlportid)
18021 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
18025 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_EXTERNAL_AUTH);
18027 goto nla_put_failure;
18029 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18030 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
18031 nla_put_u32(msg, NL80211_ATTR_AKM_SUITES, params->key_mgmt_suite) ||
18032 nla_put_u32(msg, NL80211_ATTR_EXTERNAL_AUTH_ACTION,
18034 nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, params->bssid) ||
18035 nla_put(msg, NL80211_ATTR_SSID, params->ssid.ssid_len,
18036 params->ssid.ssid))
18037 goto nla_put_failure;
18039 genlmsg_end(msg, hdr);
18040 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
18041 wdev->conn_owner_nlportid);
18048 EXPORT_SYMBOL(cfg80211_external_auth_request);
18050 void cfg80211_update_owe_info_event(struct net_device *netdev,
18051 struct cfg80211_update_owe_info *owe_info,
18054 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
18055 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
18056 struct sk_buff *msg;
18059 trace_cfg80211_update_owe_info_event(wiphy, netdev, owe_info);
18061 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
18065 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_UPDATE_OWE_INFO);
18067 goto nla_put_failure;
18069 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
18070 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
18071 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, owe_info->peer))
18072 goto nla_put_failure;
18074 if (!owe_info->ie_len ||
18075 nla_put(msg, NL80211_ATTR_IE, owe_info->ie_len, owe_info->ie))
18076 goto nla_put_failure;
18078 genlmsg_end(msg, hdr);
18080 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
18081 NL80211_MCGRP_MLME, gfp);
18085 genlmsg_cancel(msg, hdr);
18088 EXPORT_SYMBOL(cfg80211_update_owe_info_event);
18090 /* initialisation/exit functions */
18092 int __init nl80211_init(void)
18096 err = genl_register_family(&nl80211_fam);
18100 err = netlink_register_notifier(&nl80211_netlink_notifier);
18106 genl_unregister_family(&nl80211_fam);
18110 void nl80211_exit(void)
18112 netlink_unregister_notifier(&nl80211_netlink_notifier);
18113 genl_unregister_family(&nl80211_fam);