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mac80211: AMPDU handling for Extended Key ID
[linux-block.git] / net / wireless / nl80211.c
CommitLineData
457c8996 1// SPDX-License-Identifier: GPL-2.0-only
55682965
JB		 2/*
3 * This is the new netlink-based wireless configuration interface.
4 *
026331c4 5 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
2740f0cf 6 * Copyright 2013-2014 Intel Mobile Communications GmbH
66cd794e 7 * Copyright 2015-2017 Intel Deutschland GmbH
55c1fdf0 8 * Copyright (C) 2018-2019 Intel Corporation
55682965
JB		 9 */
10
11#include <linux/if.h>
12#include <linux/module.h>
13#include <linux/err.h>
5a0e3ad6 14#include <linux/slab.h>
55682965
JB		 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>
259d8c1e 21#include <linux/nospec.h>
2a519311 22#include <linux/etherdevice.h>
463d0183 23#include <net/net_namespace.h>
55682965
JB		 24#include <net/genetlink.h>
25#include <net/cfg80211.h>
463d0183 26#include <net/sock.h>
2a0e047e 27#include <net/inet_connection_sock.h>
55682965
JB		 28#include "core.h"
29#include "nl80211.h"
b2e1b302 30#include "reg.h"
e35e4d28 31#include "rdev-ops.h"
55682965 32
5fb628e9
JM		 33static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
34 struct genl_info *info,
35 struct cfg80211_crypto_settings *settings,
36 int cipher_limit);
37
55682965 38/* the netlink family */
489111e5 39static struct genl_family nl80211_fam;
55682965 40
2a94fe48
JB		 41/* multicast groups */
42enum nl80211_multicast_groups {
43 NL80211_MCGRP_CONFIG,
44 NL80211_MCGRP_SCAN,
45 NL80211_MCGRP_REGULATORY,
46 NL80211_MCGRP_MLME,
567ffc35 47 NL80211_MCGRP_VENDOR,
50bcd31d 48 NL80211_MCGRP_NAN,
2a94fe48
JB		 49 NL80211_MCGRP_TESTMODE /* keep last - ifdef! */
50};
51
52static const struct genl_multicast_group nl80211_mcgrps[] = {
71b836ec
JB		 53 [NL80211_MCGRP_CONFIG] = { .name = NL80211_MULTICAST_GROUP_CONFIG },
54 [NL80211_MCGRP_SCAN] = { .name = NL80211_MULTICAST_GROUP_SCAN },
55 [NL80211_MCGRP_REGULATORY] = { .name = NL80211_MULTICAST_GROUP_REG },
56 [NL80211_MCGRP_MLME] = { .name = NL80211_MULTICAST_GROUP_MLME },
57 [NL80211_MCGRP_VENDOR] = { .name = NL80211_MULTICAST_GROUP_VENDOR },
50bcd31d 58 [NL80211_MCGRP_NAN] = { .name = NL80211_MULTICAST_GROUP_NAN },
2a94fe48 59#ifdef CONFIG_NL80211_TESTMODE
71b836ec 60 [NL80211_MCGRP_TESTMODE] = { .name = NL80211_MULTICAST_GROUP_TESTMODE }
2a94fe48
JB		 61#endif
62};
63
89a54e48
JB		 64/* returns ERR_PTR values */
65static struct wireless_dev *
66__cfg80211_wdev_from_attrs(struct net *netns, struct nlattr **attrs)
55682965 67{
89a54e48
JB		 68 struct cfg80211_registered_device *rdev;
69 struct wireless_dev *result = NULL;
70 bool have_ifidx = attrs[NL80211_ATTR_IFINDEX];
71 bool have_wdev_id = attrs[NL80211_ATTR_WDEV];
72 u64 wdev_id;
73 int wiphy_idx = -1;
74 int ifidx = -1;
55682965 75
5fe231e8 76 ASSERT_RTNL();
55682965 77
89a54e48
JB		 78 if (!have_ifidx && !have_wdev_id)
79 return ERR_PTR(-EINVAL);
55682965 80
89a54e48
JB		 81 if (have_ifidx)
82 ifidx = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);
83 if (have_wdev_id) {
84 wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]);
85 wiphy_idx = wdev_id >> 32;
55682965
JB		 86 }
87
89a54e48
JB		 88 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
89 struct wireless_dev *wdev;
90
91 if (wiphy_net(&rdev->wiphy) != netns)
92 continue;
93
94 if (have_wdev_id && rdev->wiphy_idx != wiphy_idx)
95 continue;
96
53873f13 97 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
89a54e48
JB		 98 if (have_ifidx && wdev->netdev &&
99 wdev->netdev->ifindex == ifidx) {
100 result = wdev;
101 break;
102 }
103 if (have_wdev_id && wdev->identifier == (u32)wdev_id) {
104 result = wdev;
105 break;
106 }
107 }
89a54e48
JB		 108
109 if (result)
110 break;
111 }
112
113 if (result)
114 return result;
115 return ERR_PTR(-ENODEV);
55682965
JB		 116}
117
a9455408 118static struct cfg80211_registered_device *
878d9ec7 119__cfg80211_rdev_from_attrs(struct net *netns, struct nlattr **attrs)
a9455408 120{
7fee4778
JB		 121 struct cfg80211_registered_device *rdev = NULL, *tmp;
122 struct net_device *netdev;
a9455408 123
5fe231e8 124 ASSERT_RTNL();
a9455408 125
878d9ec7 126 if (!attrs[NL80211_ATTR_WIPHY] &&
89a54e48
JB		 127 !attrs[NL80211_ATTR_IFINDEX] &&
128 !attrs[NL80211_ATTR_WDEV])
7fee4778
JB		 129 return ERR_PTR(-EINVAL);
130
878d9ec7 131 if (attrs[NL80211_ATTR_WIPHY])
7fee4778 132 rdev = cfg80211_rdev_by_wiphy_idx(
878d9ec7 133 nla_get_u32(attrs[NL80211_ATTR_WIPHY]));
a9455408 134
89a54e48
JB		 135 if (attrs[NL80211_ATTR_WDEV]) {
136 u64 wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]);
137 struct wireless_dev *wdev;
138 bool found = false;
139
140 tmp = cfg80211_rdev_by_wiphy_idx(wdev_id >> 32);
141 if (tmp) {
142 /* make sure wdev exists */
53873f13 143 list_for_each_entry(wdev, &tmp->wiphy.wdev_list, list) {
89a54e48
JB		 144 if (wdev->identifier != (u32)wdev_id)
145 continue;
146 found = true;
147 break;
148 }
89a54e48
JB		 149
150 if (!found)
151 tmp = NULL;
152
153 if (rdev && tmp != rdev)
154 return ERR_PTR(-EINVAL);
155 rdev = tmp;
156 }
157 }
158
878d9ec7
JB		 159 if (attrs[NL80211_ATTR_IFINDEX]) {
160 int ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);
7a087e74 161
7f2b8562 162 netdev = __dev_get_by_index(netns, ifindex);
7fee4778
JB		 163 if (netdev) {
164 if (netdev->ieee80211_ptr)
f26cbf40
ZG		 165 tmp = wiphy_to_rdev(
166 netdev->ieee80211_ptr->wiphy);
7fee4778
JB		 167 else
168 tmp = NULL;
169
7fee4778
JB		 170 /* not wireless device -- return error */
171 if (!tmp)
172 return ERR_PTR(-EINVAL);
173
174 /* mismatch -- return error */
175 if (rdev && tmp != rdev)
176 return ERR_PTR(-EINVAL);
177
178 rdev = tmp;
a9455408 179 }
a9455408 180 }
a9455408 181
4f7eff10
JB		 182 if (!rdev)
183 return ERR_PTR(-ENODEV);
a9455408 184
4f7eff10
JB		 185 if (netns != wiphy_net(&rdev->wiphy))
186 return ERR_PTR(-ENODEV);
187
188 return rdev;
a9455408
JB		 189}
190
191/*
192 * This function returns a pointer to the driver
193 * that the genl_info item that is passed refers to.
a9455408
JB		 194 *
195 * The result of this can be a PTR_ERR and hence must
196 * be checked with IS_ERR() for errors.
197 */
198static struct cfg80211_registered_device *
4f7eff10 199cfg80211_get_dev_from_info(struct net *netns, struct genl_info *info)
a9455408 200{
5fe231e8 201 return __cfg80211_rdev_from_attrs(netns, info->attrs);
a9455408
JB		 202}
203
3d7af878
JB		 204static int validate_ie_attr(const struct nlattr *attr,
205 struct netlink_ext_ack *extack)
206{
9f308616
JB		 207 const u8 *data = nla_data(attr);
208 unsigned int len = nla_len(attr);
7388afe0 209 const struct element *elem;
3d7af878 210
9f308616
JB		 211 for_each_element(elem, data, len) {
212 /* nothing */
3d7af878
JB		 213 }
214
9f308616
JB		 215 if (for_each_element_completed(elem, data, len))
216 return 0;
217
3d7af878
JB		 218 NL_SET_ERR_MSG_ATTR(extack, attr, "malformed information elements");
219 return -EINVAL;
220}
221
55682965 222/* policy for the attributes */
81e54d08
PKC		 223static const struct nla_policy
224nl80211_ftm_responder_policy[NL80211_FTM_RESP_ATTR_MAX + 1] = {
225 [NL80211_FTM_RESP_ATTR_ENABLED] = { .type = NLA_FLAG, },
226 [NL80211_FTM_RESP_ATTR_LCI] = { .type = NLA_BINARY,
227 .len = U8_MAX },
228 [NL80211_FTM_RESP_ATTR_CIVICLOC] = { .type = NLA_BINARY,
229 .len = U8_MAX },
230};
231
9bb7e0f2
JB		 232static const struct nla_policy
233nl80211_pmsr_ftm_req_attr_policy[NL80211_PMSR_FTM_REQ_ATTR_MAX + 1] = {
234 [NL80211_PMSR_FTM_REQ_ATTR_ASAP] = { .type = NLA_FLAG },
235 [NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE] = { .type = NLA_U32 },
236 [NL80211_PMSR_FTM_REQ_ATTR_NUM_BURSTS_EXP] =
237 NLA_POLICY_MAX(NLA_U8, 15),
238 [NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD] = { .type = NLA_U16 },
239 [NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION] =
240 NLA_POLICY_MAX(NLA_U8, 15),
241 [NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST] =
ea18709a 242 NLA_POLICY_MAX(NLA_U8, 31),
9bb7e0f2
JB		 243 [NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES] = { .type = NLA_U8 },
244 [NL80211_PMSR_FTM_REQ_ATTR_REQUEST_LCI] = { .type = NLA_FLAG },
245 [NL80211_PMSR_FTM_REQ_ATTR_REQUEST_CIVICLOC] = { .type = NLA_FLAG },
246};
247
248static const struct nla_policy
249nl80211_pmsr_req_data_policy[NL80211_PMSR_TYPE_MAX + 1] = {
250 [NL80211_PMSR_TYPE_FTM] =
23323289 251 NLA_POLICY_NESTED(nl80211_pmsr_ftm_req_attr_policy),
9bb7e0f2
JB		 252};
253
254static const struct nla_policy
255nl80211_pmsr_req_attr_policy[NL80211_PMSR_REQ_ATTR_MAX + 1] = {
256 [NL80211_PMSR_REQ_ATTR_DATA] =
23323289 257 NLA_POLICY_NESTED(nl80211_pmsr_req_data_policy),
9bb7e0f2
JB		 258 [NL80211_PMSR_REQ_ATTR_GET_AP_TSF] = { .type = NLA_FLAG },
259};
260
261static const struct nla_policy
262nl80211_psmr_peer_attr_policy[NL80211_PMSR_PEER_ATTR_MAX + 1] = {
263 [NL80211_PMSR_PEER_ATTR_ADDR] = NLA_POLICY_ETH_ADDR,
264 /*
265 * we could specify this again to be the top-level policy,
266 * but that would open us up to recursion problems ...
267 */
268 [NL80211_PMSR_PEER_ATTR_CHAN] = { .type = NLA_NESTED },
269 [NL80211_PMSR_PEER_ATTR_REQ] =
23323289 270 NLA_POLICY_NESTED(nl80211_pmsr_req_attr_policy),
9bb7e0f2
JB		 271 [NL80211_PMSR_PEER_ATTR_RESP] = { .type = NLA_REJECT },
272};
273
274static const struct nla_policy
275nl80211_pmsr_attr_policy[NL80211_PMSR_ATTR_MAX + 1] = {
276 [NL80211_PMSR_ATTR_MAX_PEERS] = { .type = NLA_REJECT },
277 [NL80211_PMSR_ATTR_REPORT_AP_TSF] = { .type = NLA_REJECT },
278 [NL80211_PMSR_ATTR_RANDOMIZE_MAC_ADDR] = { .type = NLA_REJECT },
279 [NL80211_PMSR_ATTR_TYPE_CAPA] = { .type = NLA_REJECT },
280 [NL80211_PMSR_ATTR_PEERS] =
23323289 281 NLA_POLICY_NESTED_ARRAY(nl80211_psmr_peer_attr_policy),
9bb7e0f2
JB		 282};
283
284const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
55682965
JB		 285 [NL80211_ATTR_WIPHY] = { .type = NLA_U32 },
286 [NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING,
079e24ed 287 .len = 20-1 },
31888487 288 [NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED },
3d9d1d66 289
72bdcf34 290 [NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 },
094d05dc 291 [NL80211_ATTR_WIPHY_CHANNEL_TYPE] = { .type = NLA_U32 },
3d9d1d66
JB		 292 [NL80211_ATTR_CHANNEL_WIDTH] = { .type = NLA_U32 },
293 [NL80211_ATTR_CENTER_FREQ1] = { .type = NLA_U32 },
294 [NL80211_ATTR_CENTER_FREQ2] = { .type = NLA_U32 },
295
ab0d76f6
JB		 296 [NL80211_ATTR_WIPHY_RETRY_SHORT] = NLA_POLICY_MIN(NLA_U8, 1),
297 [NL80211_ATTR_WIPHY_RETRY_LONG] = NLA_POLICY_MIN(NLA_U8, 1),
b9a5f8ca
JM		 298 [NL80211_ATTR_WIPHY_FRAG_THRESHOLD] = { .type = NLA_U32 },
299 [NL80211_ATTR_WIPHY_RTS_THRESHOLD] = { .type = NLA_U32 },
81077e82 300 [NL80211_ATTR_WIPHY_COVERAGE_CLASS] = { .type = NLA_U8 },
3057dbfd 301 [NL80211_ATTR_WIPHY_DYN_ACK] = { .type = NLA_FLAG },
55682965 302
ab0d76f6 303 [NL80211_ATTR_IFTYPE] = NLA_POLICY_MAX(NLA_U32, NL80211_IFTYPE_MAX),
55682965
JB		 304 [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 },
305 [NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 },
41ade00f 306
1a28ed21
JB		 307 [NL80211_ATTR_MAC] = { .type = NLA_EXACT_LEN_WARN, .len = ETH_ALEN },
308 [NL80211_ATTR_PREV_BSSID] = {
309 .type = NLA_EXACT_LEN_WARN,
310 .len = ETH_ALEN
311 },
41ade00f 312
b9454e83 313 [NL80211_ATTR_KEY] = { .type = NLA_NESTED, },
41ade00f
JB		 314 [NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY,
315 .len = WLAN_MAX_KEY_LEN },
ab0d76f6 316 [NL80211_ATTR_KEY_IDX] = NLA_POLICY_MAX(NLA_U8, 5),
41ade00f
JB		 317 [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 },
318 [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG },
81962267 319 [NL80211_ATTR_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
ab0d76f6
JB		 320 [NL80211_ATTR_KEY_TYPE] =
321 NLA_POLICY_MAX(NLA_U32, NUM_NL80211_KEYTYPES),
ed1b6cc7
JB		 322
323 [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 },
324 [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 },
325 [NL80211_ATTR_BEACON_HEAD] = { .type = NLA_BINARY,
326 .len = IEEE80211_MAX_DATA_LEN },
3d7af878
JB		 327 [NL80211_ATTR_BEACON_TAIL] =
328 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
329 IEEE80211_MAX_DATA_LEN),
ab0d76f6
JB		 330 [NL80211_ATTR_STA_AID] =
331 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
5727ef1b
JB		 332 [NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED },
333 [NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 },
334 [NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY,
335 .len = NL80211_MAX_SUPP_RATES },
ab0d76f6
JB		 336 [NL80211_ATTR_STA_PLINK_ACTION] =
337 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_PLINK_ACTIONS - 1),
e96d1cd2
ARN		 338 [NL80211_ATTR_STA_TX_POWER_SETTING] =
339 NLA_POLICY_RANGE(NLA_U8,
340 NL80211_TX_POWER_AUTOMATIC,
341 NL80211_TX_POWER_FIXED),
342 [NL80211_ATTR_STA_TX_POWER] = { .type = NLA_S16 },
5727ef1b 343 [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 },
0a9542ee 344 [NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ },
2ec600d6 345 [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY,
a4f606ea 346 .len = IEEE80211_MAX_MESH_ID_LEN },
2ec600d6 347 [NL80211_ATTR_MPATH_NEXT_HOP] = { .type = NLA_U32 },
9f1ba906 348
b2e1b302
LR		 349 [NL80211_ATTR_REG_ALPHA2] = { .type = NLA_STRING, .len = 2 },
350 [NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED },
351
9f1ba906
JM		 352 [NL80211_ATTR_BSS_CTS_PROT] = { .type = NLA_U8 },
353 [NL80211_ATTR_BSS_SHORT_PREAMBLE] = { .type = NLA_U8 },
354 [NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 },
90c97a04
JM		 355 [NL80211_ATTR_BSS_BASIC_RATES] = { .type = NLA_BINARY,
356 .len = NL80211_MAX_SUPP_RATES },
50b12f59 357 [NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 },
36aedc90 358
24bdd9f4 359 [NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED },
15d5dda6 360 [NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG },
93da9cc1 361
1a28ed21
JB		 362 [NL80211_ATTR_HT_CAPABILITY] = {
363 .type = NLA_EXACT_LEN_WARN,
364 .len = NL80211_HT_CAPABILITY_LEN
365 },
9aed3cc1
JM		 366
367 [NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 },
3d7af878
JB		 368 [NL80211_ATTR_IE] = NLA_POLICY_VALIDATE_FN(NLA_BINARY,
369 validate_ie_attr,
370 IEEE80211_MAX_DATA_LEN),
2a519311
JB		 371 [NL80211_ATTR_SCAN_FREQUENCIES] = { .type = NLA_NESTED },
372 [NL80211_ATTR_SCAN_SSIDS] = { .type = NLA_NESTED },
636a5d36
JM		 373
374 [NL80211_ATTR_SSID] = { .type = NLA_BINARY,
375 .len = IEEE80211_MAX_SSID_LEN },
376 [NL80211_ATTR_AUTH_TYPE] = { .type = NLA_U32 },
377 [NL80211_ATTR_REASON_CODE] = { .type = NLA_U16 },
04a773ad 378 [NL80211_ATTR_FREQ_FIXED] = { .type = NLA_FLAG },
1965c853 379 [NL80211_ATTR_TIMED_OUT] = { .type = NLA_FLAG },
ab0d76f6
JB		 380 [NL80211_ATTR_USE_MFP] = NLA_POLICY_RANGE(NLA_U32,
381 NL80211_MFP_NO,
382 NL80211_MFP_OPTIONAL),
eccb8e8f
JB		 383 [NL80211_ATTR_STA_FLAGS2] = {
384 .len = sizeof(struct nl80211_sta_flag_update),
385 },
3f77316c 386 [NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG },
c0692b8f
JB		 387 [NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 },
388 [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG },
64bf3d4b 389 [NL80211_ATTR_CONTROL_PORT_OVER_NL80211] = { .type = NLA_FLAG },
b23aa676
SO		 390 [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG },
391 [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 },
392 [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 },
463d0183 393 [NL80211_ATTR_PID] = { .type = NLA_U32 },
8b787643 394 [NL80211_ATTR_4ADDR] = { .type = NLA_U8 },
1a28ed21
JB		 395 [NL80211_ATTR_PMKID] = {
396 .type = NLA_EXACT_LEN_WARN,
397 .len = WLAN_PMKID_LEN
398 },
9588bbd5
JM		 399 [NL80211_ATTR_DURATION] = { .type = NLA_U32 },
400 [NL80211_ATTR_COOKIE] = { .type = NLA_U64 },
13ae75b1 401 [NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED },
026331c4
JM		 402 [NL80211_ATTR_FRAME] = { .type = NLA_BINARY,
403 .len = IEEE80211_MAX_DATA_LEN },
404 [NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, },
ab0d76f6
JB		 405 [NL80211_ATTR_PS_STATE] = NLA_POLICY_RANGE(NLA_U32,
406 NL80211_PS_DISABLED,
407 NL80211_PS_ENABLED),
d6dc1a38 408 [NL80211_ATTR_CQM] = { .type = NLA_NESTED, },
d5cdfacb 409 [NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG },
fd8aaaf3 410 [NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 },
98d2ff8b
JO		 411 [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 },
412 [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 },
2e161f78 413 [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 },
afe0cbf8
BR		 414 [NL80211_ATTR_WIPHY_ANTENNA_TX] = { .type = NLA_U32 },
415 [NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 },
885a46d0 416 [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 },
f7ca38df 417 [NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG },
dbd2fd65 418 [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
ff1b6e69 419 [NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED },
ab0d76f6
JB		 420 [NL80211_ATTR_STA_PLINK_STATE] =
421 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_PLINK_STATES - 1),
422 [NL80211_ATTR_MESH_PEER_AID] =
423 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
bbe6ad6d 424 [NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 },
e5497d76 425 [NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED },
34850ab2 426 [NL80211_ATTR_SCAN_SUPP_RATES] = { .type = NLA_NESTED },
ab0d76f6
JB		 427 [NL80211_ATTR_HIDDEN_SSID] =
428 NLA_POLICY_RANGE(NLA_U32,
429 NL80211_HIDDEN_SSID_NOT_IN_USE,
430 NL80211_HIDDEN_SSID_ZERO_CONTENTS),
3d7af878
JB		 431 [NL80211_ATTR_IE_PROBE_RESP] =
432 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
433 IEEE80211_MAX_DATA_LEN),
434 [NL80211_ATTR_IE_ASSOC_RESP] =
435 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
436 IEEE80211_MAX_DATA_LEN),
f4b34b55 437 [NL80211_ATTR_ROAM_SUPPORT] = { .type = NLA_FLAG },
a1f1c21c 438 [NL80211_ATTR_SCHED_SCAN_MATCH] = { .type = NLA_NESTED },
e9f935e3 439 [NL80211_ATTR_TX_NO_CCK_RATE] = { .type = NLA_FLAG },
109086ce
AN		 440 [NL80211_ATTR_TDLS_ACTION] = { .type = NLA_U8 },
441 [NL80211_ATTR_TDLS_DIALOG_TOKEN] = { .type = NLA_U8 },
442 [NL80211_ATTR_TDLS_OPERATION] = { .type = NLA_U8 },
443 [NL80211_ATTR_TDLS_SUPPORT] = { .type = NLA_FLAG },
444 [NL80211_ATTR_TDLS_EXTERNAL_SETUP] = { .type = NLA_FLAG },
31fa97c5 445 [NL80211_ATTR_TDLS_INITIATOR] = { .type = NLA_FLAG },
e247bd90 446 [NL80211_ATTR_DONT_WAIT_FOR_ACK] = { .type = NLA_FLAG },
00f740e1
AN		 447 [NL80211_ATTR_PROBE_RESP] = { .type = NLA_BINARY,
448 .len = IEEE80211_MAX_DATA_LEN },
8b60b078 449 [NL80211_ATTR_DFS_REGION] = { .type = NLA_U8 },
7e7c8926
BG		 450 [NL80211_ATTR_DISABLE_HT] = { .type = NLA_FLAG },
451 [NL80211_ATTR_HT_CAPABILITY_MASK] = {
452 .len = NL80211_HT_CAPABILITY_LEN
453 },
1d9d9213 454 [NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 },
1b658f11 455 [NL80211_ATTR_INACTIVITY_TIMEOUT] = { .type = NLA_U16 },
4486ea98 456 [NL80211_ATTR_BG_SCAN_PERIOD] = { .type = NLA_U16 },
89a54e48 457 [NL80211_ATTR_WDEV] = { .type = NLA_U64 },
57b5ce07 458 [NL80211_ATTR_USER_REG_HINT_TYPE] = { .type = NLA_U32 },
11b6b5a4 459 [NL80211_ATTR_AUTH_DATA] = { .type = NLA_BINARY, },
1a28ed21
JB		 460 [NL80211_ATTR_VHT_CAPABILITY] = {
461 .type = NLA_EXACT_LEN_WARN,
462 .len = NL80211_VHT_CAPABILITY_LEN
463 },
ed473771 464 [NL80211_ATTR_SCAN_FLAGS] = { .type = NLA_U32 },
ab0d76f6
JB		 465 [NL80211_ATTR_P2P_CTWINDOW] = NLA_POLICY_MAX(NLA_U8, 127),
466 [NL80211_ATTR_P2P_OPPPS] = NLA_POLICY_MAX(NLA_U8, 1),
467 [NL80211_ATTR_LOCAL_MESH_POWER_MODE] =
468 NLA_POLICY_RANGE(NLA_U32,
469 NL80211_MESH_POWER_UNKNOWN + 1,
470 NL80211_MESH_POWER_MAX),
77765eaf
VT		 471 [NL80211_ATTR_ACL_POLICY] = {. type = NLA_U32 },
472 [NL80211_ATTR_MAC_ADDRS] = { .type = NLA_NESTED },
9d62a986
JM		 473 [NL80211_ATTR_STA_CAPABILITY] = { .type = NLA_U16 },
474 [NL80211_ATTR_STA_EXT_CAPABILITY] = { .type = NLA_BINARY, },
3713b4e3 475 [NL80211_ATTR_SPLIT_WIPHY_DUMP] = { .type = NLA_FLAG, },
ee2aca34
JB		 476 [NL80211_ATTR_DISABLE_VHT] = { .type = NLA_FLAG },
477 [NL80211_ATTR_VHT_CAPABILITY_MASK] = {
478 .len = NL80211_VHT_CAPABILITY_LEN,
479 },
355199e0
JM		 480 [NL80211_ATTR_MDID] = { .type = NLA_U16 },
481 [NL80211_ATTR_IE_RIC] = { .type = NLA_BINARY,
482 .len = IEEE80211_MAX_DATA_LEN },
ab0d76f6
JB		 483 [NL80211_ATTR_PEER_AID] =
484 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
16ef1fe2
SW		 485 [NL80211_ATTR_CH_SWITCH_COUNT] = { .type = NLA_U32 },
486 [NL80211_ATTR_CH_SWITCH_BLOCK_TX] = { .type = NLA_FLAG },
487 [NL80211_ATTR_CSA_IES] = { .type = NLA_NESTED },
9a774c78
AO		 488 [NL80211_ATTR_CSA_C_OFF_BEACON] = { .type = NLA_BINARY },
489 [NL80211_ATTR_CSA_C_OFF_PRESP] = { .type = NLA_BINARY },
c01fc9ad
SD		 490 [NL80211_ATTR_STA_SUPPORTED_CHANNELS] = { .type = NLA_BINARY },
491 [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES] = { .type = NLA_BINARY },
5336fa88 492 [NL80211_ATTR_HANDLE_DFS] = { .type = NLA_FLAG },
60f4a7b1 493 [NL80211_ATTR_OPMODE_NOTIF] = { .type = NLA_U8 },
ad7e718c
JB		 494 [NL80211_ATTR_VENDOR_ID] = { .type = NLA_U32 },
495 [NL80211_ATTR_VENDOR_SUBCMD] = { .type = NLA_U32 },
496 [NL80211_ATTR_VENDOR_DATA] = { .type = NLA_BINARY },
fa9ffc74
KP		 497 [NL80211_ATTR_QOS_MAP] = { .type = NLA_BINARY,
498 .len = IEEE80211_QOS_MAP_LEN_MAX },
1a28ed21
JB		 499 [NL80211_ATTR_MAC_HINT] = {
500 .type = NLA_EXACT_LEN_WARN,
501 .len = ETH_ALEN
502 },
1df4a510 503 [NL80211_ATTR_WIPHY_FREQ_HINT] = { .type = NLA_U32 },
df942e7b 504 [NL80211_ATTR_TDLS_PEER_CAPABILITY] = { .type = NLA_U32 },
18e5ca65 505 [NL80211_ATTR_SOCKET_OWNER] = { .type = NLA_FLAG },
34d22ce2 506 [NL80211_ATTR_CSA_C_OFFSETS_TX] = { .type = NLA_BINARY },
bab5ab7d 507 [NL80211_ATTR_USE_RRM] = { .type = NLA_FLAG },
ab0d76f6
JB		 508 [NL80211_ATTR_TSID] = NLA_POLICY_MAX(NLA_U8, IEEE80211_NUM_TIDS - 1),
509 [NL80211_ATTR_USER_PRIO] =
510 NLA_POLICY_MAX(NLA_U8, IEEE80211_NUM_UPS - 1),
960d01ac 511 [NL80211_ATTR_ADMITTED_TIME] = { .type = NLA_U16 },
18998c38 512 [NL80211_ATTR_SMPS_MODE] = { .type = NLA_U8 },
1a28ed21
JB		 513 [NL80211_ATTR_MAC_MASK] = {
514 .type = NLA_EXACT_LEN_WARN,
515 .len = ETH_ALEN
516 },
1bdd716c 517 [NL80211_ATTR_WIPHY_SELF_MANAGED_REG] = { .type = NLA_FLAG },
4b681c82 518 [NL80211_ATTR_NETNS_FD] = { .type = NLA_U32 },
9c748934 519 [NL80211_ATTR_SCHED_SCAN_DELAY] = { .type = NLA_U32 },
05050753 520 [NL80211_ATTR_REG_INDOOR] = { .type = NLA_FLAG },
34d50519 521 [NL80211_ATTR_PBSS] = { .type = NLA_FLAG },
38de03d2 522 [NL80211_ATTR_BSS_SELECT] = { .type = NLA_NESTED },
ab0d76f6
JB		 523 [NL80211_ATTR_STA_SUPPORT_P2P_PS] =
524 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_P2P_PS_STATUS - 1),
c6e6a0c8
AE		 525 [NL80211_ATTR_MU_MIMO_GROUP_DATA] = {
526 .len = VHT_MUMIMO_GROUPS_DATA_LEN
527 },
1a28ed21
JB		 528 [NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR] = {
529 .type = NLA_EXACT_LEN_WARN,
530 .len = ETH_ALEN
531 },
ab0d76f6 532 [NL80211_ATTR_NAN_MASTER_PREF] = NLA_POLICY_MIN(NLA_U8, 1),
8585989d 533 [NL80211_ATTR_BANDS] = { .type = NLA_U32 },
a442b761 534 [NL80211_ATTR_NAN_FUNC] = { .type = NLA_NESTED },
348bd456
JM		 535 [NL80211_ATTR_FILS_KEK] = { .type = NLA_BINARY,
536 .len = FILS_MAX_KEK_LEN },
1a28ed21
JB		 537 [NL80211_ATTR_FILS_NONCES] = {
538 .type = NLA_EXACT_LEN_WARN,
539 .len = 2 * FILS_NONCE_LEN
540 },
ce0ce13a 541 [NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED] = { .type = NLA_FLAG, },
1a28ed21 542 [NL80211_ATTR_BSSID] = { .type = NLA_EXACT_LEN_WARN, .len = ETH_ALEN },
bf95ecdb 543 [NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] = { .type = NLA_S8 },
544 [NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST] = {
545 .len = sizeof(struct nl80211_bss_select_rssi_adjust)
546 },
3093ebbe 547 [NL80211_ATTR_TIMEOUT_REASON] = { .type = NLA_U32 },
a3caf744
VK		 548 [NL80211_ATTR_FILS_ERP_USERNAME] = { .type = NLA_BINARY,
549 .len = FILS_ERP_MAX_USERNAME_LEN },
550 [NL80211_ATTR_FILS_ERP_REALM] = { .type = NLA_BINARY,
551 .len = FILS_ERP_MAX_REALM_LEN },
552 [NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] = { .type = NLA_U16 },
553 [NL80211_ATTR_FILS_ERP_RRK] = { .type = NLA_BINARY,
554 .len = FILS_ERP_MAX_RRK_LEN },
1a28ed21 555 [NL80211_ATTR_FILS_CACHE_ID] = { .type = NLA_EXACT_LEN_WARN, .len = 2 },
a3caf744 556 [NL80211_ATTR_PMK] = { .type = NLA_BINARY, .len = PMK_MAX_LEN },
ca986ad9 557 [NL80211_ATTR_SCHED_SCAN_MULTI] = { .type = NLA_FLAG },
40cbfa90 558 [NL80211_ATTR_EXTERNAL_AUTH_SUPPORT] = { .type = NLA_FLAG },
52539ca8
THJ		 559
560 [NL80211_ATTR_TXQ_LIMIT] = { .type = NLA_U32 },
561 [NL80211_ATTR_TXQ_MEMORY_LIMIT] = { .type = NLA_U32 },
562 [NL80211_ATTR_TXQ_QUANTUM] = { .type = NLA_U32 },
c4cbaf79
LC		 563 [NL80211_ATTR_HE_CAPABILITY] = { .type = NLA_BINARY,
564 .len = NL80211_HE_MAX_CAPABILITY_LEN },
81e54d08
PKC		 565
566 [NL80211_ATTR_FTM_RESPONDER] = {
567 .type = NLA_NESTED,
568 .validation_data = nl80211_ftm_responder_policy,
569 },
9bb7e0f2
JB		 570 [NL80211_ATTR_TIMEOUT] = NLA_POLICY_MIN(NLA_U32, 1),
571 [NL80211_ATTR_PEER_MEASUREMENTS] =
23323289 572 NLA_POLICY_NESTED(nl80211_pmsr_attr_policy),
36647055 573 [NL80211_ATTR_AIRTIME_WEIGHT] = NLA_POLICY_MIN(NLA_U16, 1),
55682965
JB		 574};
575
e31b8213 576/* policy for the key attributes */
b54452b0 577static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = {
fffd0934 578 [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN },
b9454e83
JB		 579 [NL80211_KEY_IDX] = { .type = NLA_U8 },
580 [NL80211_KEY_CIPHER] = { .type = NLA_U32 },
81962267 581 [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
b9454e83
JB		 582 [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG },
583 [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG },
ab0d76f6 584 [NL80211_KEY_TYPE] = NLA_POLICY_MAX(NLA_U32, NUM_NL80211_KEYTYPES - 1),
dbd2fd65 585 [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
6cdd3979 586 [NL80211_KEY_MODE] = NLA_POLICY_RANGE(NLA_U8, 0, NL80211_KEY_SET_TX),
dbd2fd65
JB		 587};
588
589/* policy for the key default flags */
590static const struct nla_policy
591nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = {
592 [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG },
593 [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG },
b9454e83
JB		 594};
595
f83ace3b 596#ifdef CONFIG_PM
ff1b6e69
JB		 597/* policy for WoWLAN attributes */
598static const struct nla_policy
599nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = {
600 [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG },
601 [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG },
602 [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG },
603 [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED },
77dbbb13
JB		 604 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG },
605 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG },
606 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG },
607 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG },
2a0e047e 608 [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED },
8cd4d456 609 [NL80211_WOWLAN_TRIG_NET_DETECT] = { .type = NLA_NESTED },
2a0e047e
JB		 610};
611
612static const struct nla_policy
613nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = {
614 [NL80211_WOWLAN_TCP_SRC_IPV4] = { .type = NLA_U32 },
615 [NL80211_WOWLAN_TCP_DST_IPV4] = { .type = NLA_U32 },
1a28ed21
JB		 616 [NL80211_WOWLAN_TCP_DST_MAC] = {
617 .type = NLA_EXACT_LEN_WARN,
618 .len = ETH_ALEN
619 },
2a0e047e
JB		 620 [NL80211_WOWLAN_TCP_SRC_PORT] = { .type = NLA_U16 },
621 [NL80211_WOWLAN_TCP_DST_PORT] = { .type = NLA_U16 },
1a28ed21 622 [NL80211_WOWLAN_TCP_DATA_PAYLOAD] = { .type = NLA_MIN_LEN, .len = 1 },
2a0e047e
JB		 623 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ] = {
624 .len = sizeof(struct nl80211_wowlan_tcp_data_seq)
625 },
626 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN] = {
627 .len = sizeof(struct nl80211_wowlan_tcp_data_token)
628 },
629 [NL80211_WOWLAN_TCP_DATA_INTERVAL] = { .type = NLA_U32 },
1a28ed21
JB		 630 [NL80211_WOWLAN_TCP_WAKE_PAYLOAD] = { .type = NLA_MIN_LEN, .len = 1 },
631 [NL80211_WOWLAN_TCP_WAKE_MASK] = { .type = NLA_MIN_LEN, .len = 1 },
ff1b6e69 632};
f83ace3b 633#endif /* CONFIG_PM */
ff1b6e69 634
be29b99a
AK		 635/* policy for coalesce rule attributes */
636static const struct nla_policy
637nl80211_coalesce_policy[NUM_NL80211_ATTR_COALESCE_RULE] = {
638 [NL80211_ATTR_COALESCE_RULE_DELAY] = { .type = NLA_U32 },
ab0d76f6
JB		 639 [NL80211_ATTR_COALESCE_RULE_CONDITION] =
640 NLA_POLICY_RANGE(NLA_U32,
641 NL80211_COALESCE_CONDITION_MATCH,
642 NL80211_COALESCE_CONDITION_NO_MATCH),
be29b99a
AK		 643 [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN] = { .type = NLA_NESTED },
644};
645
e5497d76
JB		 646/* policy for GTK rekey offload attributes */
647static const struct nla_policy
648nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = {
1a28ed21
JB		 649 [NL80211_REKEY_DATA_KEK] = { .type = NLA_EXACT_LEN_WARN, .len = NL80211_KEK_LEN },
650 [NL80211_REKEY_DATA_KCK] = { .type = NLA_EXACT_LEN_WARN, .len = NL80211_KCK_LEN },
651 [NL80211_REKEY_DATA_REPLAY_CTR] = {
652 .type = NLA_EXACT_LEN_WARN,
653 .len = NL80211_REPLAY_CTR_LEN
654 },
e5497d76
JB		 655};
656
1e1b11b6 657static const struct nla_policy
658nl80211_match_band_rssi_policy[NUM_NL80211_BANDS] = {
659 [NL80211_BAND_2GHZ] = { .type = NLA_S32 },
660 [NL80211_BAND_5GHZ] = { .type = NLA_S32 },
661 [NL80211_BAND_60GHZ] = { .type = NLA_S32 },
662};
663
a1f1c21c
LC		 664static const struct nla_policy
665nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = {
4a4ab0d7 666 [NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY,
a1f1c21c 667 .len = IEEE80211_MAX_SSID_LEN },
1a28ed21
JB		 668 [NL80211_SCHED_SCAN_MATCH_ATTR_BSSID] = {
669 .type = NLA_EXACT_LEN_WARN,
670 .len = ETH_ALEN
671 },
88e920b4 672 [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 },
1e1b11b6 673 [NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI] =
674 NLA_POLICY_NESTED(nl80211_match_band_rssi_policy),
a1f1c21c
LC		 675};
676
3b06d277
AS		 677static const struct nla_policy
678nl80211_plan_policy[NL80211_SCHED_SCAN_PLAN_MAX + 1] = {
679 [NL80211_SCHED_SCAN_PLAN_INTERVAL] = { .type = NLA_U32 },
680 [NL80211_SCHED_SCAN_PLAN_ITERATIONS] = { .type = NLA_U32 },
681};
682
38de03d2
AS		 683static const struct nla_policy
684nl80211_bss_select_policy[NL80211_BSS_SELECT_ATTR_MAX + 1] = {
685 [NL80211_BSS_SELECT_ATTR_RSSI] = { .type = NLA_FLAG },
686 [NL80211_BSS_SELECT_ATTR_BAND_PREF] = { .type = NLA_U32 },
687 [NL80211_BSS_SELECT_ATTR_RSSI_ADJUST] = {
688 .len = sizeof(struct nl80211_bss_select_rssi_adjust)
689 },
690};
691
a442b761
AB		 692/* policy for NAN function attributes */
693static const struct nla_policy
694nl80211_nan_func_policy[NL80211_NAN_FUNC_ATTR_MAX + 1] = {
695 [NL80211_NAN_FUNC_TYPE] = { .type = NLA_U8 },
0a27844c 696 [NL80211_NAN_FUNC_SERVICE_ID] = {
a442b761
AB		 697 .len = NL80211_NAN_FUNC_SERVICE_ID_LEN },
698 [NL80211_NAN_FUNC_PUBLISH_TYPE] = { .type = NLA_U8 },
699 [NL80211_NAN_FUNC_PUBLISH_BCAST] = { .type = NLA_FLAG },
700 [NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE] = { .type = NLA_FLAG },
701 [NL80211_NAN_FUNC_FOLLOW_UP_ID] = { .type = NLA_U8 },
702 [NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] = { .type = NLA_U8 },
1a28ed21
JB		 703 [NL80211_NAN_FUNC_FOLLOW_UP_DEST] = {
704 .type = NLA_EXACT_LEN_WARN,
705 .len = ETH_ALEN
706 },
a442b761
AB		 707 [NL80211_NAN_FUNC_CLOSE_RANGE] = { .type = NLA_FLAG },
708 [NL80211_NAN_FUNC_TTL] = { .type = NLA_U32 },
709 [NL80211_NAN_FUNC_SERVICE_INFO] = { .type = NLA_BINARY,
710 .len = NL80211_NAN_FUNC_SERVICE_SPEC_INFO_MAX_LEN },
711 [NL80211_NAN_FUNC_SRF] = { .type = NLA_NESTED },
712 [NL80211_NAN_FUNC_RX_MATCH_FILTER] = { .type = NLA_NESTED },
713 [NL80211_NAN_FUNC_TX_MATCH_FILTER] = { .type = NLA_NESTED },
714 [NL80211_NAN_FUNC_INSTANCE_ID] = { .type = NLA_U8 },
715 [NL80211_NAN_FUNC_TERM_REASON] = { .type = NLA_U8 },
716};
717
718/* policy for Service Response Filter attributes */
719static const struct nla_policy
720nl80211_nan_srf_policy[NL80211_NAN_SRF_ATTR_MAX + 1] = {
721 [NL80211_NAN_SRF_INCLUDE] = { .type = NLA_FLAG },
722 [NL80211_NAN_SRF_BF] = { .type = NLA_BINARY,
723 .len = NL80211_NAN_FUNC_SRF_MAX_LEN },
724 [NL80211_NAN_SRF_BF_IDX] = { .type = NLA_U8 },
725 [NL80211_NAN_SRF_MAC_ADDRS] = { .type = NLA_NESTED },
726};
727
ad670233
PX		 728/* policy for packet pattern attributes */
729static const struct nla_policy
730nl80211_packet_pattern_policy[MAX_NL80211_PKTPAT + 1] = {
731 [NL80211_PKTPAT_MASK] = { .type = NLA_BINARY, },
732 [NL80211_PKTPAT_PATTERN] = { .type = NLA_BINARY, },
733 [NL80211_PKTPAT_OFFSET] = { .type = NLA_U32 },
734};
735
9bb7e0f2
JB		 736int nl80211_prepare_wdev_dump(struct netlink_callback *cb,
737 struct cfg80211_registered_device **rdev,
738 struct wireless_dev **wdev)
a043897a 739{
97990a06 740 int err;
a043897a 741
97990a06 742 if (!cb->args[0]) {
8cb08174
JB		 743 err = nlmsg_parse_deprecated(cb->nlh,
744 GENL_HDRLEN + nl80211_fam.hdrsize,
745 genl_family_attrbuf(&nl80211_fam),
746 nl80211_fam.maxattr,
747 nl80211_policy, NULL);
97990a06 748 if (err)
ea90e0dc 749 return err;
67748893 750
c90c39da 751 *wdev = __cfg80211_wdev_from_attrs(
5297c65c 752 sock_net(cb->skb->sk),
c90c39da 753 genl_family_attrbuf(&nl80211_fam));
ea90e0dc
JB		 754 if (IS_ERR(*wdev))
755 return PTR_ERR(*wdev);
f26cbf40 756 *rdev = wiphy_to_rdev((*wdev)->wiphy);
c319d50b
JB		 757 /* 0 is the first index - add 1 to parse only once */
758 cb->args[0] = (*rdev)->wiphy_idx + 1;
97990a06
JB		 759 cb->args[1] = (*wdev)->identifier;
760 } else {
c319d50b
JB		 761 /* subtract the 1 again here */
762 struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
97990a06 763 struct wireless_dev *tmp;
67748893 764
ea90e0dc
JB		 765 if (!wiphy)
766 return -ENODEV;
f26cbf40 767 *rdev = wiphy_to_rdev(wiphy);
97990a06 768 *wdev = NULL;
67748893 769
53873f13 770 list_for_each_entry(tmp, &(*rdev)->wiphy.wdev_list, list) {
97990a06
JB		 771 if (tmp->identifier == cb->args[1]) {
772 *wdev = tmp;
773 break;
774 }
775 }
67748893 776
ea90e0dc
JB		 777 if (!*wdev)
778 return -ENODEV;
67748893
JB		 779 }
780
67748893 781 return 0;
67748893
JB		 782}
783
55682965 784/* message building helper */
9bb7e0f2
JB		 785void *nl80211hdr_put(struct sk_buff *skb, u32 portid, u32 seq,
786 int flags, u8 cmd)
55682965
JB		 787{
788 /* since there is no private header just add the generic one */
15e47304 789 return genlmsg_put(skb, portid, seq, &nl80211_fam, flags, cmd);
55682965
JB		 790}
791
50f32718
HD		 792static int nl80211_msg_put_wmm_rules(struct sk_buff *msg,
793 const struct ieee80211_reg_rule *rule)
794{
795 int j;
796 struct nlattr *nl_wmm_rules =
ae0be8de 797 nla_nest_start_noflag(msg, NL80211_FREQUENCY_ATTR_WMM);
50f32718
HD		 798
799 if (!nl_wmm_rules)
800 goto nla_put_failure;
801
802 for (j = 0; j < IEEE80211_NUM_ACS; j++) {
ae0be8de 803 struct nlattr *nl_wmm_rule = nla_nest_start_noflag(msg, j);
50f32718
HD		 804
805 if (!nl_wmm_rule)
806 goto nla_put_failure;
807
808 if (nla_put_u16(msg, NL80211_WMMR_CW_MIN,
38cb87ee 809 rule->wmm_rule.client[j].cw_min) ||
50f32718 810 nla_put_u16(msg, NL80211_WMMR_CW_MAX,
38cb87ee 811 rule->wmm_rule.client[j].cw_max) ||
50f32718 812 nla_put_u8(msg, NL80211_WMMR_AIFSN,
38cb87ee 813 rule->wmm_rule.client[j].aifsn) ||
d3c89bbc
HD		 814 nla_put_u16(msg, NL80211_WMMR_TXOP,
815 rule->wmm_rule.client[j].cot))
50f32718
HD		 816 goto nla_put_failure;
817
818 nla_nest_end(msg, nl_wmm_rule);
819 }
820 nla_nest_end(msg, nl_wmm_rules);
821
822 return 0;
823
824nla_put_failure:
825 return -ENOBUFS;
826}
827
828static int nl80211_msg_put_channel(struct sk_buff *msg, struct wiphy *wiphy,
cdc89b97
JB		 829 struct ieee80211_channel *chan,
830 bool large)
5dab3b8a 831{
ea077c1c
RL		 832 /* Some channels must be completely excluded from the
833 * list to protect old user-space tools from breaking
834 */
835 if (!large && chan->flags &
836 (IEEE80211_CHAN_NO_10MHZ | IEEE80211_CHAN_NO_20MHZ))
837 return 0;
838
9360ffd1
DM		 839 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_FREQ,
840 chan->center_freq))
841 goto nla_put_failure;
5dab3b8a 842
9360ffd1
DM		 843 if ((chan->flags & IEEE80211_CHAN_DISABLED) &&
844 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DISABLED))
845 goto nla_put_failure;
8fe02e16
LR		 846 if (chan->flags & IEEE80211_CHAN_NO_IR) {
847 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IR))
848 goto nla_put_failure;
849 if (nla_put_flag(msg, __NL80211_FREQUENCY_ATTR_NO_IBSS))
850 goto nla_put_failure;
851 }
cdc89b97
JB		 852 if (chan->flags & IEEE80211_CHAN_RADAR) {
853 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR))
854 goto nla_put_failure;
855 if (large) {
856 u32 time;
857
858 time = elapsed_jiffies_msecs(chan->dfs_state_entered);
859
860 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_STATE,
861 chan->dfs_state))
862 goto nla_put_failure;
863 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_TIME,
864 time))
865 goto nla_put_failure;
089027e5
JD		 866 if (nla_put_u32(msg,
867 NL80211_FREQUENCY_ATTR_DFS_CAC_TIME,
868 chan->dfs_cac_ms))
869 goto nla_put_failure;
cdc89b97
JB		 870 }
871 }
5dab3b8a 872
fe1abafd
JB		 873 if (large) {
874 if ((chan->flags & IEEE80211_CHAN_NO_HT40MINUS) &&
875 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS))
876 goto nla_put_failure;
877 if ((chan->flags & IEEE80211_CHAN_NO_HT40PLUS) &&
878 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS))
879 goto nla_put_failure;
880 if ((chan->flags & IEEE80211_CHAN_NO_80MHZ) &&
881 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_80MHZ))
882 goto nla_put_failure;
883 if ((chan->flags & IEEE80211_CHAN_NO_160MHZ) &&
884 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_160MHZ))
885 goto nla_put_failure;
570dbde1
DS		 886 if ((chan->flags & IEEE80211_CHAN_INDOOR_ONLY) &&
887 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_INDOOR_ONLY))
888 goto nla_put_failure;
06f207fc
AN		 889 if ((chan->flags & IEEE80211_CHAN_IR_CONCURRENT) &&
890 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_IR_CONCURRENT))
570dbde1 891 goto nla_put_failure;
ea077c1c
RL		 892 if ((chan->flags & IEEE80211_CHAN_NO_20MHZ) &&
893 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_20MHZ))
894 goto nla_put_failure;
895 if ((chan->flags & IEEE80211_CHAN_NO_10MHZ) &&
896 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_10MHZ))
897 goto nla_put_failure;
fe1abafd
JB		 898 }
899
9360ffd1
DM		 900 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER,
901 DBM_TO_MBM(chan->max_power)))
902 goto nla_put_failure;
5dab3b8a 903
50f32718
HD		 904 if (large) {
905 const struct ieee80211_reg_rule *rule =
b88d26d9 906 freq_reg_info(wiphy, MHZ_TO_KHZ(chan->center_freq));
50f32718 907
38cb87ee 908 if (!IS_ERR_OR_NULL(rule) && rule->has_wmm) {
50f32718
HD		 909 if (nl80211_msg_put_wmm_rules(msg, rule))
910 goto nla_put_failure;
911 }
912 }
913
5dab3b8a
LR		 914 return 0;
915
916 nla_put_failure:
917 return -ENOBUFS;
918}
919
52539ca8
THJ		 920static bool nl80211_put_txq_stats(struct sk_buff *msg,
921 struct cfg80211_txq_stats *txqstats,
922 int attrtype)
923{
924 struct nlattr *txqattr;
925
926#define PUT_TXQVAL_U32(attr, memb) do { \
927 if (txqstats->filled & BIT(NL80211_TXQ_STATS_ ## attr) && \
928 nla_put_u32(msg, NL80211_TXQ_STATS_ ## attr, txqstats->memb)) \
929 return false; \
930 } while (0)
931
ae0be8de 932 txqattr = nla_nest_start_noflag(msg, attrtype);
52539ca8
THJ		 933 if (!txqattr)
934 return false;
935
936 PUT_TXQVAL_U32(BACKLOG_BYTES, backlog_bytes);
937 PUT_TXQVAL_U32(BACKLOG_PACKETS, backlog_packets);
938 PUT_TXQVAL_U32(FLOWS, flows);
939 PUT_TXQVAL_U32(DROPS, drops);
940 PUT_TXQVAL_U32(ECN_MARKS, ecn_marks);
941 PUT_TXQVAL_U32(OVERLIMIT, overlimit);
942 PUT_TXQVAL_U32(OVERMEMORY, overmemory);
943 PUT_TXQVAL_U32(COLLISIONS, collisions);
944 PUT_TXQVAL_U32(TX_BYTES, tx_bytes);
945 PUT_TXQVAL_U32(TX_PACKETS, tx_packets);
946 PUT_TXQVAL_U32(MAX_FLOWS, max_flows);
947 nla_nest_end(msg, txqattr);
948
949#undef PUT_TXQVAL_U32
950 return true;
951}
952
55682965
JB		 953/* netlink command implementations */
954
b9454e83
JB		 955struct key_parse {
956 struct key_params p;
957 int idx;
e31b8213 958 int type;
b9454e83 959 bool def, defmgmt;
dbd2fd65 960 bool def_uni, def_multi;
b9454e83
JB		 961};
962
768075eb
JB		 963static int nl80211_parse_key_new(struct genl_info *info, struct nlattr *key,
964 struct key_parse *k)
b9454e83
JB		 965{
966 struct nlattr *tb[NL80211_KEY_MAX + 1];
8cb08174
JB		 967 int err = nla_parse_nested_deprecated(tb, NL80211_KEY_MAX, key,
968 nl80211_key_policy,
969 info->extack);
b9454e83
JB		 970 if (err)
971 return err;
972
973 k->def = !!tb[NL80211_KEY_DEFAULT];
974 k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT];
975
dbd2fd65
JB		 976 if (k->def) {
977 k->def_uni = true;
978 k->def_multi = true;
979 }
980 if (k->defmgmt)
981 k->def_multi = true;
982
b9454e83
JB		 983 if (tb[NL80211_KEY_IDX])
984 k->idx = nla_get_u8(tb[NL80211_KEY_IDX]);
985
986 if (tb[NL80211_KEY_DATA]) {
987 k->p.key = nla_data(tb[NL80211_KEY_DATA]);
988 k->p.key_len = nla_len(tb[NL80211_KEY_DATA]);
989 }
990
991 if (tb[NL80211_KEY_SEQ]) {
992 k->p.seq = nla_data(tb[NL80211_KEY_SEQ]);
993 k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]);
994 }
995
996 if (tb[NL80211_KEY_CIPHER])
997 k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]);
998
ab0d76f6 999 if (tb[NL80211_KEY_TYPE])
e31b8213 1000 k->type = nla_get_u32(tb[NL80211_KEY_TYPE]);
e31b8213 1001
dbd2fd65
JB		 1002 if (tb[NL80211_KEY_DEFAULT_TYPES]) {
1003 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
7a087e74 1004
8cb08174
JB		 1005 err = nla_parse_nested_deprecated(kdt,
1006 NUM_NL80211_KEY_DEFAULT_TYPES - 1,
1007 tb[NL80211_KEY_DEFAULT_TYPES],
1008 nl80211_key_default_policy,
1009 info->extack);
dbd2fd65
JB		 1010 if (err)
1011 return err;
1012
1013 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
1014 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
1015 }
1016
6cdd3979
AW		 1017 if (tb[NL80211_KEY_MODE])
1018 k->p.mode = nla_get_u8(tb[NL80211_KEY_MODE]);
1019
b9454e83
JB		 1020 return 0;
1021}
1022
1023static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k)
1024{
1025 if (info->attrs[NL80211_ATTR_KEY_DATA]) {
1026 k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]);
1027 k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]);
1028 }
1029
1030 if (info->attrs[NL80211_ATTR_KEY_SEQ]) {
1031 k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]);
1032 k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]);
1033 }
1034
1035 if (info->attrs[NL80211_ATTR_KEY_IDX])
1036 k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
1037
1038 if (info->attrs[NL80211_ATTR_KEY_CIPHER])
1039 k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]);
1040
1041 k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT];
1042 k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT];
1043
dbd2fd65
JB		 1044 if (k->def) {
1045 k->def_uni = true;
1046 k->def_multi = true;
1047 }
1048 if (k->defmgmt)
1049 k->def_multi = true;
1050
ab0d76f6 1051 if (info->attrs[NL80211_ATTR_KEY_TYPE])
e31b8213 1052 k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
e31b8213 1053
dbd2fd65
JB		 1054 if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) {
1055 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
8cb08174
JB		 1056 int err = nla_parse_nested_deprecated(kdt,
1057 NUM_NL80211_KEY_DEFAULT_TYPES - 1,
1058 info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES],
1059 nl80211_key_default_policy,
1060 info->extack);
dbd2fd65
JB		 1061 if (err)
1062 return err;
1063
1064 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
1065 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
1066 }
1067
b9454e83
JB		 1068 return 0;
1069}
1070
1071static int nl80211_parse_key(struct genl_info *info, struct key_parse *k)
1072{
1073 int err;
1074
1075 memset(k, 0, sizeof(*k));
1076 k->idx = -1;
e31b8213 1077 k->type = -1;
b9454e83
JB		 1078
1079 if (info->attrs[NL80211_ATTR_KEY])
768075eb 1080 err = nl80211_parse_key_new(info, info->attrs[NL80211_ATTR_KEY], k);
b9454e83
JB		 1081 else
1082 err = nl80211_parse_key_old(info, k);
1083
1084 if (err)
1085 return err;
1086
768075eb
JB		 1087 if (k->def && k->defmgmt) {
1088 GENL_SET_ERR_MSG(info, "key with def && defmgmt is invalid");
b9454e83 1089 return -EINVAL;
768075eb 1090 }
b9454e83 1091
dbd2fd65 1092 if (k->defmgmt) {
768075eb
JB		 1093 if (k->def_uni || !k->def_multi) {
1094 GENL_SET_ERR_MSG(info, "defmgmt key must be mcast");
dbd2fd65 1095 return -EINVAL;
768075eb 1096 }
dbd2fd65
JB		 1097 }
1098
b9454e83
JB		 1099 if (k->idx != -1) {
1100 if (k->defmgmt) {
768075eb
JB		 1101 if (k->idx < 4 || k->idx > 5) {
1102 GENL_SET_ERR_MSG(info,
1103 "defmgmt key idx not 4 or 5");
b9454e83 1104 return -EINVAL;
768075eb 1105 }
b9454e83 1106 } else if (k->def) {
768075eb
JB		 1107 if (k->idx < 0 || k->idx > 3) {
1108 GENL_SET_ERR_MSG(info, "def key idx not 0-3");
b9454e83 1109 return -EINVAL;
768075eb 1110 }
b9454e83 1111 } else {
768075eb
JB		 1112 if (k->idx < 0 || k->idx > 5) {
1113 GENL_SET_ERR_MSG(info, "key idx not 0-5");
b9454e83 1114 return -EINVAL;
768075eb 1115 }
b9454e83
JB		 1116 }
1117 }
1118
1119 return 0;
1120}
1121
fffd0934
JB		 1122static struct cfg80211_cached_keys *
1123nl80211_parse_connkeys(struct cfg80211_registered_device *rdev,
768075eb 1124 struct genl_info *info, bool *no_ht)
fffd0934 1125{
768075eb 1126 struct nlattr *keys = info->attrs[NL80211_ATTR_KEYS];
fffd0934
JB		 1127 struct key_parse parse;
1128 struct nlattr *key;
1129 struct cfg80211_cached_keys *result;
1130 int rem, err, def = 0;
f1c1f17a
JB		 1131 bool have_key = false;
1132
1133 nla_for_each_nested(key, keys, rem) {
1134 have_key = true;
1135 break;
1136 }
1137
1138 if (!have_key)
1139 return NULL;
fffd0934
JB		 1140
1141 result = kzalloc(sizeof(*result), GFP_KERNEL);
1142 if (!result)
1143 return ERR_PTR(-ENOMEM);
1144
1145 result->def = -1;
fffd0934
JB		 1146
1147 nla_for_each_nested(key, keys, rem) {
1148 memset(&parse, 0, sizeof(parse));
1149 parse.idx = -1;
1150
768075eb 1151 err = nl80211_parse_key_new(info, key, &parse);
fffd0934
JB		 1152 if (err)
1153 goto error;
1154 err = -EINVAL;
1155 if (!parse.p.key)
1156 goto error;
768075eb
JB		 1157 if (parse.idx < 0 || parse.idx > 3) {
1158 GENL_SET_ERR_MSG(info, "key index out of range [0-3]");
fffd0934 1159 goto error;
768075eb 1160 }
fffd0934 1161 if (parse.def) {
768075eb
JB		 1162 if (def) {
1163 GENL_SET_ERR_MSG(info,
1164 "only one key can be default");
fffd0934 1165 goto error;
768075eb 1166 }
fffd0934
JB		 1167 def = 1;
1168 result->def = parse.idx;
dbd2fd65
JB		 1169 if (!parse.def_uni || !parse.def_multi)
1170 goto error;
fffd0934
JB		 1171 } else if (parse.defmgmt)
1172 goto error;
1173 err = cfg80211_validate_key_settings(rdev, &parse.p,
e31b8213 1174 parse.idx, false, NULL);
fffd0934
JB		 1175 if (err)
1176 goto error;
386b1f27
JB		 1177 if (parse.p.cipher != WLAN_CIPHER_SUITE_WEP40 &&
1178 parse.p.cipher != WLAN_CIPHER_SUITE_WEP104) {
768075eb 1179 GENL_SET_ERR_MSG(info, "connect key must be WEP");
386b1f27
JB		 1180 err = -EINVAL;
1181 goto error;
1182 }
fffd0934
JB		 1183 result->params[parse.idx].cipher = parse.p.cipher;
1184 result->params[parse.idx].key_len = parse.p.key_len;
1185 result->params[parse.idx].key = result->data[parse.idx];
1186 memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len);
de7044ee 1187
386b1f27
JB		 1188 /* must be WEP key if we got here */
1189 if (no_ht)
1190 *no_ht = true;
fffd0934
JB		 1191 }
1192
f1c1f17a
JB		 1193 if (result->def < 0) {
1194 err = -EINVAL;
768075eb 1195 GENL_SET_ERR_MSG(info, "need a default/TX key");
f1c1f17a
JB		 1196 goto error;
1197 }
1198
fffd0934
JB		 1199 return result;
1200 error:
1201 kfree(result);
1202 return ERR_PTR(err);
1203}
1204
1205static int nl80211_key_allowed(struct wireless_dev *wdev)
1206{
1207 ASSERT_WDEV_LOCK(wdev);
1208
fffd0934
JB		 1209 switch (wdev->iftype) {
1210 case NL80211_IFTYPE_AP:
1211 case NL80211_IFTYPE_AP_VLAN:
074ac8df 1212 case NL80211_IFTYPE_P2P_GO:
ff973af7 1213 case NL80211_IFTYPE_MESH_POINT:
fffd0934
JB		 1214 break;
1215 case NL80211_IFTYPE_ADHOC:
fffd0934 1216 case NL80211_IFTYPE_STATION:
074ac8df 1217 case NL80211_IFTYPE_P2P_CLIENT:
ceca7b71 1218 if (!wdev->current_bss)
fffd0934
JB		 1219 return -ENOLINK;
1220 break;
de4fcbad 1221 case NL80211_IFTYPE_UNSPECIFIED:
6e0bd6c3 1222 case NL80211_IFTYPE_OCB:
de4fcbad 1223 case NL80211_IFTYPE_MONITOR:
cb3b7d87 1224 case NL80211_IFTYPE_NAN:
de4fcbad
JB		 1225 case NL80211_IFTYPE_P2P_DEVICE:
1226 case NL80211_IFTYPE_WDS:
1227 case NUM_NL80211_IFTYPES:
fffd0934
JB		 1228 return -EINVAL;
1229 }
1230
1231 return 0;
1232}
1233
664834de
JM		 1234static struct ieee80211_channel *nl80211_get_valid_chan(struct wiphy *wiphy,
1235 struct nlattr *tb)
1236{
1237 struct ieee80211_channel *chan;
1238
1239 if (tb == NULL)
1240 return NULL;
1241 chan = ieee80211_get_channel(wiphy, nla_get_u32(tb));
1242 if (!chan || chan->flags & IEEE80211_CHAN_DISABLED)
1243 return NULL;
1244 return chan;
1245}
1246
7527a782
JB		 1247static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes)
1248{
ae0be8de 1249 struct nlattr *nl_modes = nla_nest_start_noflag(msg, attr);
7527a782
JB		 1250 int i;
1251
1252 if (!nl_modes)
1253 goto nla_put_failure;
1254
1255 i = 0;
1256 while (ifmodes) {
9360ffd1
DM		 1257 if ((ifmodes & 1) && nla_put_flag(msg, i))
1258 goto nla_put_failure;
7527a782
JB		 1259 ifmodes >>= 1;
1260 i++;
1261 }
1262
1263 nla_nest_end(msg, nl_modes);
1264 return 0;
1265
1266nla_put_failure:
1267 return -ENOBUFS;
1268}
1269
1270static int nl80211_put_iface_combinations(struct wiphy *wiphy,
cdc89b97
JB		 1271 struct sk_buff *msg,
1272 bool large)
7527a782
JB		 1273{
1274 struct nlattr *nl_combis;
1275 int i, j;
1276
ae0be8de
MK		 1277 nl_combis = nla_nest_start_noflag(msg,
1278 NL80211_ATTR_INTERFACE_COMBINATIONS);
7527a782
JB		 1279 if (!nl_combis)
1280 goto nla_put_failure;
1281
1282 for (i = 0; i < wiphy->n_iface_combinations; i++) {
1283 const struct ieee80211_iface_combination *c;
1284 struct nlattr *nl_combi, *nl_limits;
1285
1286 c = &wiphy->iface_combinations[i];
1287
ae0be8de 1288 nl_combi = nla_nest_start_noflag(msg, i + 1);
7527a782
JB		 1289 if (!nl_combi)
1290 goto nla_put_failure;
1291
ae0be8de
MK		 1292 nl_limits = nla_nest_start_noflag(msg,
1293 NL80211_IFACE_COMB_LIMITS);
7527a782
JB		 1294 if (!nl_limits)
1295 goto nla_put_failure;
1296
1297 for (j = 0; j < c->n_limits; j++) {
1298 struct nlattr *nl_limit;
1299
ae0be8de 1300 nl_limit = nla_nest_start_noflag(msg, j + 1);
7527a782
JB		 1301 if (!nl_limit)
1302 goto nla_put_failure;
9360ffd1
DM		 1303 if (nla_put_u32(msg, NL80211_IFACE_LIMIT_MAX,
1304 c->limits[j].max))
1305 goto nla_put_failure;
7527a782
JB		 1306 if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES,
1307 c->limits[j].types))
1308 goto nla_put_failure;
1309 nla_nest_end(msg, nl_limit);
1310 }
1311
1312 nla_nest_end(msg, nl_limits);
1313
9360ffd1
DM		 1314 if (c->beacon_int_infra_match &&
1315 nla_put_flag(msg, NL80211_IFACE_COMB_STA_AP_BI_MATCH))
1316 goto nla_put_failure;
1317 if (nla_put_u32(msg, NL80211_IFACE_COMB_NUM_CHANNELS,
1318 c->num_different_channels) ||
1319 nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM,
1320 c->max_interfaces))
1321 goto nla_put_failure;
cdc89b97 1322 if (large &&
8c48b50a
FF		 1323 (nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS,
1324 c->radar_detect_widths) ||
1325 nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS,
1326 c->radar_detect_regions)))
cdc89b97 1327 goto nla_put_failure;
0c317a02
PK		 1328 if (c->beacon_int_min_gcd &&
1329 nla_put_u32(msg, NL80211_IFACE_COMB_BI_MIN_GCD,
1330 c->beacon_int_min_gcd))
1331 goto nla_put_failure;
7527a782
JB		 1332
1333 nla_nest_end(msg, nl_combi);
1334 }
1335
1336 nla_nest_end(msg, nl_combis);
1337
1338 return 0;
1339nla_put_failure:
1340 return -ENOBUFS;
1341}
1342
3713b4e3 1343#ifdef CONFIG_PM
b56cf720
JB		 1344static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev,
1345 struct sk_buff *msg)
1346{
964dc9e2 1347 const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan->tcp;
b56cf720
JB		 1348 struct nlattr *nl_tcp;
1349
1350 if (!tcp)
1351 return 0;
1352
ae0be8de
MK		 1353 nl_tcp = nla_nest_start_noflag(msg,
1354 NL80211_WOWLAN_TRIG_TCP_CONNECTION);
b56cf720
JB		 1355 if (!nl_tcp)
1356 return -ENOBUFS;
1357
1358 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
1359 tcp->data_payload_max))
1360 return -ENOBUFS;
1361
1362 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
1363 tcp->data_payload_max))
1364 return -ENOBUFS;
1365
1366 if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ))
1367 return -ENOBUFS;
1368
1369 if (tcp->tok && nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
1370 sizeof(*tcp->tok), tcp->tok))
1371 return -ENOBUFS;
1372
1373 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
1374 tcp->data_interval_max))
1375 return -ENOBUFS;
1376
1377 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
1378 tcp->wake_payload_max))
1379 return -ENOBUFS;
1380
1381 nla_nest_end(msg, nl_tcp);
1382 return 0;
1383}
1384
3713b4e3 1385static int nl80211_send_wowlan(struct sk_buff *msg,
1b8ec87a 1386 struct cfg80211_registered_device *rdev,
b56cf720 1387 bool large)
55682965 1388{
3713b4e3 1389 struct nlattr *nl_wowlan;
55682965 1390
1b8ec87a 1391 if (!rdev->wiphy.wowlan)
3713b4e3 1392 return 0;
55682965 1393
ae0be8de
MK		 1394 nl_wowlan = nla_nest_start_noflag(msg,
1395 NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED);
3713b4e3
JB		 1396 if (!nl_wowlan)
1397 return -ENOBUFS;
9360ffd1 1398
1b8ec87a 1399 if (((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_ANY) &&
3713b4e3 1400 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
1b8ec87a 1401 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_DISCONNECT) &&
3713b4e3 1402 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
1b8ec87a 1403 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT) &&
3713b4e3 1404 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
1b8ec87a 1405 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) &&
3713b4e3 1406 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED)) ||
1b8ec87a 1407 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) &&
3713b4e3 1408 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
1b8ec87a 1409 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) &&
3713b4e3 1410 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
1b8ec87a 1411 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) &&
3713b4e3 1412 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
1b8ec87a 1413 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE) &&
3713b4e3
JB		 1414 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
1415 return -ENOBUFS;
9360ffd1 1416
1b8ec87a 1417 if (rdev->wiphy.wowlan->n_patterns) {
50ac6607 1418 struct nl80211_pattern_support pat = {
1b8ec87a
ZG		 1419 .max_patterns = rdev->wiphy.wowlan->n_patterns,
1420 .min_pattern_len = rdev->wiphy.wowlan->pattern_min_len,
1421 .max_pattern_len = rdev->wiphy.wowlan->pattern_max_len,
1422 .max_pkt_offset = rdev->wiphy.wowlan->max_pkt_offset,
3713b4e3 1423 };
9360ffd1 1424
3713b4e3
JB		 1425 if (nla_put(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
1426 sizeof(pat), &pat))
1427 return -ENOBUFS;
1428 }
9360ffd1 1429
75453ccb
LC		 1430 if ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_NET_DETECT) &&
1431 nla_put_u32(msg, NL80211_WOWLAN_TRIG_NET_DETECT,
1432 rdev->wiphy.wowlan->max_nd_match_sets))
1433 return -ENOBUFS;
1434
1b8ec87a 1435 if (large && nl80211_send_wowlan_tcp_caps(rdev, msg))
b56cf720
JB		 1436 return -ENOBUFS;
1437
3713b4e3 1438 nla_nest_end(msg, nl_wowlan);
9360ffd1 1439
3713b4e3
JB		 1440 return 0;
1441}
1442#endif
9360ffd1 1443
be29b99a 1444static int nl80211_send_coalesce(struct sk_buff *msg,
1b8ec87a 1445 struct cfg80211_registered_device *rdev)
be29b99a
AK		 1446{
1447 struct nl80211_coalesce_rule_support rule;
1448
1b8ec87a 1449 if (!rdev->wiphy.coalesce)
be29b99a
AK		 1450 return 0;
1451
1b8ec87a
ZG		 1452 rule.max_rules = rdev->wiphy.coalesce->n_rules;
1453 rule.max_delay = rdev->wiphy.coalesce->max_delay;
1454 rule.pat.max_patterns = rdev->wiphy.coalesce->n_patterns;
1455 rule.pat.min_pattern_len = rdev->wiphy.coalesce->pattern_min_len;
1456 rule.pat.max_pattern_len = rdev->wiphy.coalesce->pattern_max_len;
1457 rule.pat.max_pkt_offset = rdev->wiphy.coalesce->max_pkt_offset;
be29b99a
AK		 1458
1459 if (nla_put(msg, NL80211_ATTR_COALESCE_RULE, sizeof(rule), &rule))
1460 return -ENOBUFS;
1461
1462 return 0;
1463}
1464
c4cbaf79
LC		 1465static int
1466nl80211_send_iftype_data(struct sk_buff *msg,
1467 const struct ieee80211_sband_iftype_data *iftdata)
1468{
1469 const struct ieee80211_sta_he_cap *he_cap = &iftdata->he_cap;
1470
1471 if (nl80211_put_iftypes(msg, NL80211_BAND_IFTYPE_ATTR_IFTYPES,
1472 iftdata->types_mask))
1473 return -ENOBUFS;
1474
1475 if (he_cap->has_he) {
1476 if (nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC,
1477 sizeof(he_cap->he_cap_elem.mac_cap_info),
1478 he_cap->he_cap_elem.mac_cap_info) ||
1479 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY,
1480 sizeof(he_cap->he_cap_elem.phy_cap_info),
1481 he_cap->he_cap_elem.phy_cap_info) ||
1482 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET,
1483 sizeof(he_cap->he_mcs_nss_supp),
1484 &he_cap->he_mcs_nss_supp) ||
1485 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE,
1486 sizeof(he_cap->ppe_thres), he_cap->ppe_thres))
1487 return -ENOBUFS;
1488 }
1489
1490 return 0;
1491}
1492
3713b4e3
JB		 1493static int nl80211_send_band_rateinfo(struct sk_buff *msg,
1494 struct ieee80211_supported_band *sband)
1495{
1496 struct nlattr *nl_rates, *nl_rate;
1497 struct ieee80211_rate *rate;
1498 int i;
87bbbe22 1499
3713b4e3
JB		 1500 /* add HT info */
1501 if (sband->ht_cap.ht_supported &&
1502 (nla_put(msg, NL80211_BAND_ATTR_HT_MCS_SET,
1503 sizeof(sband->ht_cap.mcs),
1504 &sband->ht_cap.mcs) ||
1505 nla_put_u16(msg, NL80211_BAND_ATTR_HT_CAPA,
1506 sband->ht_cap.cap) ||
1507 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR,
1508 sband->ht_cap.ampdu_factor) ||
1509 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY,
1510 sband->ht_cap.ampdu_density)))
1511 return -ENOBUFS;
afe0cbf8 1512
3713b4e3
JB		 1513 /* add VHT info */
1514 if (sband->vht_cap.vht_supported &&
1515 (nla_put(msg, NL80211_BAND_ATTR_VHT_MCS_SET,
1516 sizeof(sband->vht_cap.vht_mcs),
1517 &sband->vht_cap.vht_mcs) ||
1518 nla_put_u32(msg, NL80211_BAND_ATTR_VHT_CAPA,
1519 sband->vht_cap.cap)))
1520 return -ENOBUFS;
f59ac048 1521
c4cbaf79
LC		 1522 if (sband->n_iftype_data) {
1523 struct nlattr *nl_iftype_data =
ae0be8de
MK		 1524 nla_nest_start_noflag(msg,
1525 NL80211_BAND_ATTR_IFTYPE_DATA);
c4cbaf79
LC		 1526 int err;
1527
1528 if (!nl_iftype_data)
1529 return -ENOBUFS;
1530
1531 for (i = 0; i < sband->n_iftype_data; i++) {
1532 struct nlattr *iftdata;
1533
ae0be8de 1534 iftdata = nla_nest_start_noflag(msg, i + 1);
c4cbaf79
LC		 1535 if (!iftdata)
1536 return -ENOBUFS;
1537
1538 err = nl80211_send_iftype_data(msg,
1539 &sband->iftype_data[i]);
1540 if (err)
1541 return err;
1542
1543 nla_nest_end(msg, iftdata);
1544 }
1545
1546 nla_nest_end(msg, nl_iftype_data);
1547 }
1548
3713b4e3 1549 /* add bitrates */
ae0be8de 1550 nl_rates = nla_nest_start_noflag(msg, NL80211_BAND_ATTR_RATES);
3713b4e3
JB		 1551 if (!nl_rates)
1552 return -ENOBUFS;
ee688b00 1553
3713b4e3 1554 for (i = 0; i < sband->n_bitrates; i++) {
ae0be8de 1555 nl_rate = nla_nest_start_noflag(msg, i);
3713b4e3
JB		 1556 if (!nl_rate)
1557 return -ENOBUFS;
ee688b00 1558
3713b4e3
JB		 1559 rate = &sband->bitrates[i];
1560 if (nla_put_u32(msg, NL80211_BITRATE_ATTR_RATE,
1561 rate->bitrate))
1562 return -ENOBUFS;
1563 if ((rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) &&
1564 nla_put_flag(msg,
1565 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE))
1566 return -ENOBUFS;
ee688b00 1567
3713b4e3
JB		 1568 nla_nest_end(msg, nl_rate);
1569 }
d51626df 1570
3713b4e3 1571 nla_nest_end(msg, nl_rates);
bf0c111e 1572
3713b4e3
JB		 1573 return 0;
1574}
ee688b00 1575
3713b4e3
JB		 1576static int
1577nl80211_send_mgmt_stypes(struct sk_buff *msg,
1578 const struct ieee80211_txrx_stypes *mgmt_stypes)
1579{
1580 u16 stypes;
1581 struct nlattr *nl_ftypes, *nl_ifs;
1582 enum nl80211_iftype ift;
1583 int i;
ee688b00 1584
3713b4e3
JB		 1585 if (!mgmt_stypes)
1586 return 0;
5dab3b8a 1587
ae0be8de 1588 nl_ifs = nla_nest_start_noflag(msg, NL80211_ATTR_TX_FRAME_TYPES);
3713b4e3
JB		 1589 if (!nl_ifs)
1590 return -ENOBUFS;
e2f367f2 1591
3713b4e3 1592 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
ae0be8de 1593 nl_ftypes = nla_nest_start_noflag(msg, ift);
3713b4e3
JB		 1594 if (!nl_ftypes)
1595 return -ENOBUFS;
1596 i = 0;
1597 stypes = mgmt_stypes[ift].tx;
1598 while (stypes) {
1599 if ((stypes & 1) &&
1600 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
1601 (i << 4) | IEEE80211_FTYPE_MGMT))
1602 return -ENOBUFS;
1603 stypes >>= 1;
1604 i++;
ee688b00 1605 }
3713b4e3
JB		 1606 nla_nest_end(msg, nl_ftypes);
1607 }
ee688b00 1608
3713b4e3 1609 nla_nest_end(msg, nl_ifs);
ee688b00 1610
ae0be8de 1611 nl_ifs = nla_nest_start_noflag(msg, NL80211_ATTR_RX_FRAME_TYPES);
3713b4e3
JB		 1612 if (!nl_ifs)
1613 return -ENOBUFS;
ee688b00 1614
3713b4e3 1615 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
ae0be8de 1616 nl_ftypes = nla_nest_start_noflag(msg, ift);
3713b4e3
JB		 1617 if (!nl_ftypes)
1618 return -ENOBUFS;
1619 i = 0;
1620 stypes = mgmt_stypes[ift].rx;
1621 while (stypes) {
1622 if ((stypes & 1) &&
1623 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
1624 (i << 4) | IEEE80211_FTYPE_MGMT))
1625 return -ENOBUFS;
1626 stypes >>= 1;
1627 i++;
1628 }
1629 nla_nest_end(msg, nl_ftypes);
1630 }
1631 nla_nest_end(msg, nl_ifs);
ee688b00 1632
3713b4e3
JB		 1633 return 0;
1634}
ee688b00 1635
1794899e
JB		 1636#define CMD(op, n) \
1637 do { \
1638 if (rdev->ops->op) { \
1639 i++; \
1640 if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \
1641 goto nla_put_failure; \
1642 } \
1643 } while (0)
1644
1645static int nl80211_add_commands_unsplit(struct cfg80211_registered_device *rdev,
1646 struct sk_buff *msg)
1647{
1648 int i = 0;
1649
1650 /*
1651 * do *NOT* add anything into this function, new things need to be
1652 * advertised only to new versions of userspace that can deal with
1653 * the split (and they can't possibly care about new features...
1654 */
1655 CMD(add_virtual_intf, NEW_INTERFACE);
1656 CMD(change_virtual_intf, SET_INTERFACE);
1657 CMD(add_key, NEW_KEY);
1658 CMD(start_ap, START_AP);
1659 CMD(add_station, NEW_STATION);
1660 CMD(add_mpath, NEW_MPATH);
1661 CMD(update_mesh_config, SET_MESH_CONFIG);
1662 CMD(change_bss, SET_BSS);
1663 CMD(auth, AUTHENTICATE);
1664 CMD(assoc, ASSOCIATE);
1665 CMD(deauth, DEAUTHENTICATE);
1666 CMD(disassoc, DISASSOCIATE);
1667 CMD(join_ibss, JOIN_IBSS);
1668 CMD(join_mesh, JOIN_MESH);
1669 CMD(set_pmksa, SET_PMKSA);
1670 CMD(del_pmksa, DEL_PMKSA);
1671 CMD(flush_pmksa, FLUSH_PMKSA);
1672 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)
1673 CMD(remain_on_channel, REMAIN_ON_CHANNEL);
1674 CMD(set_bitrate_mask, SET_TX_BITRATE_MASK);
1675 CMD(mgmt_tx, FRAME);
1676 CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL);
1677 if (rdev->wiphy.flags & WIPHY_FLAG_NETNS_OK) {
1678 i++;
1679 if (nla_put_u32(msg, i, NL80211_CMD_SET_WIPHY_NETNS))
1680 goto nla_put_failure;
1681 }
1682 if (rdev->ops->set_monitor_channel || rdev->ops->start_ap ||
1683 rdev->ops->join_mesh) {
1684 i++;
1685 if (nla_put_u32(msg, i, NL80211_CMD_SET_CHANNEL))
1686 goto nla_put_failure;
1687 }
1688 CMD(set_wds_peer, SET_WDS_PEER);
1689 if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) {
1690 CMD(tdls_mgmt, TDLS_MGMT);
1691 CMD(tdls_oper, TDLS_OPER);
1692 }
ca986ad9 1693 if (rdev->wiphy.max_sched_scan_reqs)
1794899e
JB		 1694 CMD(sched_scan_start, START_SCHED_SCAN);
1695 CMD(probe_client, PROBE_CLIENT);
1696 CMD(set_noack_map, SET_NOACK_MAP);
1697 if (rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) {
1698 i++;
1699 if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS))
1700 goto nla_put_failure;
1701 }
1702 CMD(start_p2p_device, START_P2P_DEVICE);
1703 CMD(set_mcast_rate, SET_MCAST_RATE);
1704#ifdef CONFIG_NL80211_TESTMODE
1705 CMD(testmode_cmd, TESTMODE);
1706#endif
1707
1708 if (rdev->ops->connect || rdev->ops->auth) {
1709 i++;
1710 if (nla_put_u32(msg, i, NL80211_CMD_CONNECT))
1711 goto nla_put_failure;
1712 }
1713
1714 if (rdev->ops->disconnect || rdev->ops->deauth) {
1715 i++;
1716 if (nla_put_u32(msg, i, NL80211_CMD_DISCONNECT))
1717 goto nla_put_failure;
1718 }
1719
1720 return i;
1721 nla_put_failure:
1722 return -ENOBUFS;
1723}
1724
9bb7e0f2
JB		 1725static int
1726nl80211_send_pmsr_ftm_capa(const struct cfg80211_pmsr_capabilities *cap,
1727 struct sk_buff *msg)
1728{
1729 struct nlattr *ftm;
1730
1731 if (!cap->ftm.supported)
1732 return 0;
1733
ae0be8de 1734 ftm = nla_nest_start_noflag(msg, NL80211_PMSR_TYPE_FTM);
9bb7e0f2
JB		 1735 if (!ftm)
1736 return -ENOBUFS;
1737
1738 if (cap->ftm.asap && nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_ASAP))
1739 return -ENOBUFS;
1740 if (cap->ftm.non_asap &&
1741 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_NON_ASAP))
1742 return -ENOBUFS;
1743 if (cap->ftm.request_lci &&
1744 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_REQ_LCI))
1745 return -ENOBUFS;
1746 if (cap->ftm.request_civicloc &&
1747 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_REQ_CIVICLOC))
1748 return -ENOBUFS;
1749 if (nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_PREAMBLES,
1750 cap->ftm.preambles))
1751 return -ENOBUFS;
1752 if (nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_BANDWIDTHS,
1753 cap->ftm.bandwidths))
1754 return -ENOBUFS;
1755 if (cap->ftm.max_bursts_exponent >= 0 &&
1756 nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_MAX_BURSTS_EXPONENT,
1757 cap->ftm.max_bursts_exponent))
1758 return -ENOBUFS;
1759 if (cap->ftm.max_ftms_per_burst &&
1760 nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_MAX_FTMS_PER_BURST,
1761 cap->ftm.max_ftms_per_burst))
1762 return -ENOBUFS;
1763
1764 nla_nest_end(msg, ftm);
1765 return 0;
1766}
1767
1768static int nl80211_send_pmsr_capa(struct cfg80211_registered_device *rdev,
1769 struct sk_buff *msg)
1770{
1771 const struct cfg80211_pmsr_capabilities *cap = rdev->wiphy.pmsr_capa;
1772 struct nlattr *pmsr, *caps;
1773
1774 if (!cap)
1775 return 0;
1776
1777 /*
1778 * we don't need to clean up anything here since the caller
1779 * will genlmsg_cancel() if we fail
1780 */
1781
ae0be8de 1782 pmsr = nla_nest_start_noflag(msg, NL80211_ATTR_PEER_MEASUREMENTS);
9bb7e0f2
JB		 1783 if (!pmsr)
1784 return -ENOBUFS;
1785
1786 if (nla_put_u32(msg, NL80211_PMSR_ATTR_MAX_PEERS, cap->max_peers))
1787 return -ENOBUFS;
1788
1789 if (cap->report_ap_tsf &&
1790 nla_put_flag(msg, NL80211_PMSR_ATTR_REPORT_AP_TSF))
1791 return -ENOBUFS;
1792
1793 if (cap->randomize_mac_addr &&
1794 nla_put_flag(msg, NL80211_PMSR_ATTR_RANDOMIZE_MAC_ADDR))
1795 return -ENOBUFS;
1796
ae0be8de 1797 caps = nla_nest_start_noflag(msg, NL80211_PMSR_ATTR_TYPE_CAPA);
9bb7e0f2
JB		 1798 if (!caps)
1799 return -ENOBUFS;
1800
1801 if (nl80211_send_pmsr_ftm_capa(cap, msg))
1802 return -ENOBUFS;
1803
1804 nla_nest_end(msg, caps);
1805 nla_nest_end(msg, pmsr);
1806
1807 return 0;
1808}
1809
86e8cf98
JB		 1810struct nl80211_dump_wiphy_state {
1811 s64 filter_wiphy;
1812 long start;
019ae3a9 1813 long split_start, band_start, chan_start, capa_start;
86e8cf98
JB		 1814 bool split;
1815};
1816
1b8ec87a 1817static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev,
3bb20556 1818 enum nl80211_commands cmd,
3713b4e3 1819 struct sk_buff *msg, u32 portid, u32 seq,
86e8cf98 1820 int flags, struct nl80211_dump_wiphy_state *state)
3713b4e3
JB		 1821{
1822 void *hdr;
1823 struct nlattr *nl_bands, *nl_band;
1824 struct nlattr *nl_freqs, *nl_freq;
1825 struct nlattr *nl_cmds;
57fbcce3 1826 enum nl80211_band band;
3713b4e3
JB		 1827 struct ieee80211_channel *chan;
1828 int i;
1829 const struct ieee80211_txrx_stypes *mgmt_stypes =
1b8ec87a 1830 rdev->wiphy.mgmt_stypes;
fe1abafd 1831 u32 features;
ee688b00 1832
3bb20556 1833 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
3713b4e3
JB		 1834 if (!hdr)
1835 return -ENOBUFS;
ee688b00 1836
86e8cf98
JB		 1837 if (WARN_ON(!state))
1838 return -EINVAL;
ee688b00 1839
1b8ec87a 1840 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
3713b4e3 1841 nla_put_string(msg, NL80211_ATTR_WIPHY_NAME,
1b8ec87a 1842 wiphy_name(&rdev->wiphy)) ||
3713b4e3
JB		 1843 nla_put_u32(msg, NL80211_ATTR_GENERATION,
1844 cfg80211_rdev_list_generation))
8fdc621d
JB		 1845 goto nla_put_failure;
1846
3bb20556
JB		 1847 if (cmd != NL80211_CMD_NEW_WIPHY)
1848 goto finish;
1849
86e8cf98 1850 switch (state->split_start) {
3713b4e3
JB		 1851 case 0:
1852 if (nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT,
1b8ec87a 1853 rdev->wiphy.retry_short) ||
3713b4e3 1854 nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_LONG,
1b8ec87a 1855 rdev->wiphy.retry_long) ||
3713b4e3 1856 nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD,
1b8ec87a 1857 rdev->wiphy.frag_threshold) ||
3713b4e3 1858 nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD,
1b8ec87a 1859 rdev->wiphy.rts_threshold) ||
3713b4e3 1860 nla_put_u8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS,
1b8ec87a 1861 rdev->wiphy.coverage_class) ||
3713b4e3 1862 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS,
1b8ec87a 1863 rdev->wiphy.max_scan_ssids) ||
3713b4e3 1864 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS,
1b8ec87a 1865 rdev->wiphy.max_sched_scan_ssids) ||
3713b4e3 1866 nla_put_u16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN,
1b8ec87a 1867 rdev->wiphy.max_scan_ie_len) ||
3713b4e3 1868 nla_put_u16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN,
1b8ec87a 1869 rdev->wiphy.max_sched_scan_ie_len) ||
3713b4e3 1870 nla_put_u8(msg, NL80211_ATTR_MAX_MATCH_SETS,
3b06d277
AS		 1871 rdev->wiphy.max_match_sets) ||
1872 nla_put_u32(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS,
1873 rdev->wiphy.max_sched_scan_plans) ||
1874 nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL,
1875 rdev->wiphy.max_sched_scan_plan_interval) ||
1876 nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS,
1877 rdev->wiphy.max_sched_scan_plan_iterations))
9360ffd1 1878 goto nla_put_failure;
3713b4e3 1879
1b8ec87a 1880 if ((rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) &&
3713b4e3 1881 nla_put_flag(msg, NL80211_ATTR_SUPPORT_IBSS_RSN))
aa430da4 1882 goto nla_put_failure;
1b8ec87a 1883 if ((rdev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) &&
3713b4e3
JB		 1884 nla_put_flag(msg, NL80211_ATTR_SUPPORT_MESH_AUTH))
1885 goto nla_put_failure;
1b8ec87a 1886 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) &&
3713b4e3
JB		 1887 nla_put_flag(msg, NL80211_ATTR_SUPPORT_AP_UAPSD))
1888 goto nla_put_failure;
1b8ec87a 1889 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) &&
3713b4e3
JB		 1890 nla_put_flag(msg, NL80211_ATTR_ROAM_SUPPORT))
1891 goto nla_put_failure;
1b8ec87a 1892 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) &&
3713b4e3
JB		 1893 nla_put_flag(msg, NL80211_ATTR_TDLS_SUPPORT))
1894 goto nla_put_failure;
1b8ec87a 1895 if ((rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) &&
3713b4e3 1896 nla_put_flag(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP))
9360ffd1 1897 goto nla_put_failure;
86e8cf98
JB		 1898 state->split_start++;
1899 if (state->split)
3713b4e3 1900 break;
925b5978 1901 /* fall through */
3713b4e3
JB		 1902 case 1:
1903 if (nla_put(msg, NL80211_ATTR_CIPHER_SUITES,
1b8ec87a
ZG		 1904 sizeof(u32) * rdev->wiphy.n_cipher_suites,
1905 rdev->wiphy.cipher_suites))
3713b4e3 1906 goto nla_put_failure;
4745fc09 1907
3713b4e3 1908 if (nla_put_u8(msg, NL80211_ATTR_MAX_NUM_PMKIDS,
1b8ec87a 1909 rdev->wiphy.max_num_pmkids))
3713b4e3 1910 goto nla_put_failure;
b23aa676 1911
1b8ec87a 1912 if ((rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
3713b4e3 1913 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE))
9360ffd1 1914 goto nla_put_failure;
b23aa676 1915
3713b4e3 1916 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX,
1b8ec87a 1917 rdev->wiphy.available_antennas_tx) ||
3713b4e3 1918 nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX,
1b8ec87a 1919 rdev->wiphy.available_antennas_rx))
9360ffd1 1920 goto nla_put_failure;
b23aa676 1921
1b8ec87a 1922 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) &&
3713b4e3 1923 nla_put_u32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD,
1b8ec87a 1924 rdev->wiphy.probe_resp_offload))
3713b4e3 1925 goto nla_put_failure;
8fdc621d 1926
1b8ec87a
ZG		 1927 if ((rdev->wiphy.available_antennas_tx ||
1928 rdev->wiphy.available_antennas_rx) &&
1929 rdev->ops->get_antenna) {
3713b4e3
JB		 1930 u32 tx_ant = 0, rx_ant = 0;
1931 int res;
7a087e74 1932
1b8ec87a 1933 res = rdev_get_antenna(rdev, &tx_ant, &rx_ant);
3713b4e3
JB		 1934 if (!res) {
1935 if (nla_put_u32(msg,
1936 NL80211_ATTR_WIPHY_ANTENNA_TX,
1937 tx_ant) ||
1938 nla_put_u32(msg,
1939 NL80211_ATTR_WIPHY_ANTENNA_RX,
1940 rx_ant))
1941 goto nla_put_failure;
1942 }
1943 }
a293911d 1944
86e8cf98
JB		 1945 state->split_start++;
1946 if (state->split)
3713b4e3 1947 break;
925b5978 1948 /* fall through */
3713b4e3
JB		 1949 case 2:
1950 if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES,
1b8ec87a 1951 rdev->wiphy.interface_modes))
3713b4e3 1952 goto nla_put_failure;
86e8cf98
JB		 1953 state->split_start++;
1954 if (state->split)
3713b4e3 1955 break;
925b5978 1956 /* fall through */
3713b4e3 1957 case 3:
ae0be8de
MK		 1958 nl_bands = nla_nest_start_noflag(msg,
1959 NL80211_ATTR_WIPHY_BANDS);
3713b4e3
JB		 1960 if (!nl_bands)
1961 goto nla_put_failure;
f7ca38df 1962
86e8cf98 1963 for (band = state->band_start;
57fbcce3 1964 band < NUM_NL80211_BANDS; band++) {
3713b4e3 1965 struct ieee80211_supported_band *sband;
2e161f78 1966
1b8ec87a 1967 sband = rdev->wiphy.bands[band];
2e161f78 1968
3713b4e3
JB		 1969 if (!sband)
1970 continue;
1971
ae0be8de 1972 nl_band = nla_nest_start_noflag(msg, band);
3713b4e3 1973 if (!nl_band)
2e161f78 1974 goto nla_put_failure;
3713b4e3 1975
86e8cf98 1976 switch (state->chan_start) {
3713b4e3
JB		 1977 case 0:
1978 if (nl80211_send_band_rateinfo(msg, sband))
9360ffd1 1979 goto nla_put_failure;
86e8cf98
JB		 1980 state->chan_start++;
1981 if (state->split)
3713b4e3 1982 break;
925b5978 1983 /* fall through */
3713b4e3
JB		 1984 default:
1985 /* add frequencies */
ae0be8de
MK		 1986 nl_freqs = nla_nest_start_noflag(msg,
1987 NL80211_BAND_ATTR_FREQS);
3713b4e3
JB		 1988 if (!nl_freqs)
1989 goto nla_put_failure;
1990
86e8cf98 1991 for (i = state->chan_start - 1;
3713b4e3
JB		 1992 i < sband->n_channels;
1993 i++) {
ae0be8de
MK		 1994 nl_freq = nla_nest_start_noflag(msg,
1995 i);
3713b4e3
JB		 1996 if (!nl_freq)
1997 goto nla_put_failure;
1998
1999 chan = &sband->channels[i];
2000
86e8cf98 2001 if (nl80211_msg_put_channel(
50f32718 2002 msg, &rdev->wiphy, chan,
86e8cf98 2003 state->split))
3713b4e3
JB		 2004 goto nla_put_failure;
2005
2006 nla_nest_end(msg, nl_freq);
86e8cf98 2007 if (state->split)
3713b4e3
JB		 2008 break;
2009 }
2010 if (i < sband->n_channels)
86e8cf98 2011 state->chan_start = i + 2;
3713b4e3 2012 else
86e8cf98 2013 state->chan_start = 0;
3713b4e3
JB		 2014 nla_nest_end(msg, nl_freqs);
2015 }
2016
2017 nla_nest_end(msg, nl_band);
2018
86e8cf98 2019 if (state->split) {
3713b4e3 2020 /* start again here */
86e8cf98 2021 if (state->chan_start)
3713b4e3
JB		 2022 band--;
2023 break;
2e161f78 2024 }
2e161f78 2025 }
3713b4e3 2026 nla_nest_end(msg, nl_bands);
2e161f78 2027
57fbcce3 2028 if (band < NUM_NL80211_BANDS)
86e8cf98 2029 state->band_start = band + 1;
3713b4e3 2030 else
86e8cf98 2031 state->band_start = 0;
74b70a4e 2032
3713b4e3 2033 /* if bands & channels are done, continue outside */
86e8cf98
JB		 2034 if (state->band_start == 0 && state->chan_start == 0)
2035 state->split_start++;
2036 if (state->split)
3713b4e3 2037 break;
925b5978 2038 /* fall through */
3713b4e3 2039 case 4:
ae0be8de
MK		 2040 nl_cmds = nla_nest_start_noflag(msg,
2041 NL80211_ATTR_SUPPORTED_COMMANDS);
3713b4e3 2042 if (!nl_cmds)
2e161f78
JB		 2043 goto nla_put_failure;
2044
1794899e
JB		 2045 i = nl80211_add_commands_unsplit(rdev, msg);
2046 if (i < 0)
2047 goto nla_put_failure;
86e8cf98 2048 if (state->split) {
5de17984
AS		 2049 CMD(crit_proto_start, CRIT_PROTOCOL_START);
2050 CMD(crit_proto_stop, CRIT_PROTOCOL_STOP);
1b8ec87a 2051 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH)
16ef1fe2 2052 CMD(channel_switch, CHANNEL_SWITCH);
02df00eb 2053 CMD(set_qos_map, SET_QOS_MAP);
723e73ac
JB		 2054 if (rdev->wiphy.features &
2055 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION)
960d01ac 2056 CMD(add_tx_ts, ADD_TX_TS);
ce0ce13a 2057 CMD(set_multicast_to_unicast, SET_MULTICAST_TO_UNICAST);
088e8df8 2058 CMD(update_connect_params, UPDATE_CONNECT_PARAMS);
5de17984 2059 }
3713b4e3 2060#undef CMD
ff1b6e69 2061
3713b4e3 2062 nla_nest_end(msg, nl_cmds);
86e8cf98
JB		 2063 state->split_start++;
2064 if (state->split)
3713b4e3 2065 break;
925b5978 2066 /* fall through */
3713b4e3 2067 case 5:
1b8ec87a
ZG		 2068 if (rdev->ops->remain_on_channel &&
2069 (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) &&
3713b4e3
JB		 2070 nla_put_u32(msg,
2071 NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION,
1b8ec87a 2072 rdev->wiphy.max_remain_on_channel_duration))
3713b4e3
JB		 2073 goto nla_put_failure;
2074
1b8ec87a 2075 if ((rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) &&
3713b4e3
JB		 2076 nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK))
2077 goto nla_put_failure;
2078
2079 if (nl80211_send_mgmt_stypes(msg, mgmt_stypes))
2080 goto nla_put_failure;
86e8cf98
JB		 2081 state->split_start++;
2082 if (state->split)
3713b4e3 2083 break;
925b5978 2084 /* fall through */
3713b4e3
JB		 2085 case 6:
2086#ifdef CONFIG_PM
1b8ec87a 2087 if (nl80211_send_wowlan(msg, rdev, state->split))
3713b4e3 2088 goto nla_put_failure;
86e8cf98
JB		 2089 state->split_start++;
2090 if (state->split)
3713b4e3
JB		 2091 break;
2092#else
86e8cf98 2093 state->split_start++;
dfb89c56 2094#endif
925b5978 2095 /* fall through */
3713b4e3
JB		 2096 case 7:
2097 if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES,
1b8ec87a 2098 rdev->wiphy.software_iftypes))
3713b4e3 2099 goto nla_put_failure;
ff1b6e69 2100
1b8ec87a 2101 if (nl80211_put_iface_combinations(&rdev->wiphy, msg,
86e8cf98 2102 state->split))
3713b4e3 2103 goto nla_put_failure;
7527a782 2104
86e8cf98
JB		 2105 state->split_start++;
2106 if (state->split)
3713b4e3 2107 break;
925b5978 2108 /* fall through */
3713b4e3 2109 case 8:
1b8ec87a 2110 if ((rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) &&
3713b4e3 2111 nla_put_u32(msg, NL80211_ATTR_DEVICE_AP_SME,
1b8ec87a 2112 rdev->wiphy.ap_sme_capa))
3713b4e3 2113 goto nla_put_failure;
7527a782 2114
1b8ec87a 2115 features = rdev->wiphy.features;
fe1abafd
JB		 2116 /*
2117 * We can only add the per-channel limit information if the
2118 * dump is split, otherwise it makes it too big. Therefore
2119 * only advertise it in that case.
2120 */
86e8cf98 2121 if (state->split)
fe1abafd
JB		 2122 features |= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS;
2123 if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS, features))
3713b4e3 2124 goto nla_put_failure;
562a7480 2125
1b8ec87a 2126 if (rdev->wiphy.ht_capa_mod_mask &&
3713b4e3 2127 nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK,
1b8ec87a
ZG		 2128 sizeof(*rdev->wiphy.ht_capa_mod_mask),
2129 rdev->wiphy.ht_capa_mod_mask))
3713b4e3 2130 goto nla_put_failure;
1f074bd8 2131
1b8ec87a
ZG		 2132 if (rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME &&
2133 rdev->wiphy.max_acl_mac_addrs &&
3713b4e3 2134 nla_put_u32(msg, NL80211_ATTR_MAC_ACL_MAX,
1b8ec87a 2135 rdev->wiphy.max_acl_mac_addrs))
3713b4e3 2136 goto nla_put_failure;
7e7c8926 2137
3713b4e3
JB		 2138 /*
2139 * Any information below this point is only available to
2140 * applications that can deal with it being split. This
2141 * helps ensure that newly added capabilities don't break
2142 * older tools by overrunning their buffers.
2143 *
2144 * We still increment split_start so that in the split
2145 * case we'll continue with more data in the next round,
2146 * but break unconditionally so unsplit data stops here.
2147 */
86e8cf98 2148 state->split_start++;
3713b4e3
JB		 2149 break;
2150 case 9:
1b8ec87a 2151 if (rdev->wiphy.extended_capabilities &&
fe1abafd 2152 (nla_put(msg, NL80211_ATTR_EXT_CAPA,
1b8ec87a
ZG		 2153 rdev->wiphy.extended_capabilities_len,
2154 rdev->wiphy.extended_capabilities) ||
fe1abafd 2155 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
1b8ec87a
ZG		 2156 rdev->wiphy.extended_capabilities_len,
2157 rdev->wiphy.extended_capabilities_mask)))
fe1abafd 2158 goto nla_put_failure;
a50df0c4 2159
1b8ec87a 2160 if (rdev->wiphy.vht_capa_mod_mask &&
ee2aca34 2161 nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK,
1b8ec87a
ZG		 2162 sizeof(*rdev->wiphy.vht_capa_mod_mask),
2163 rdev->wiphy.vht_capa_mod_mask))
ee2aca34
JB		 2164 goto nla_put_failure;
2165
be29b99a
AK		 2166 state->split_start++;
2167 break;
2168 case 10:
1b8ec87a 2169 if (nl80211_send_coalesce(msg, rdev))
be29b99a
AK		 2170 goto nla_put_failure;
2171
1b8ec87a 2172 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ) &&
01e0daa4
FF		 2173 (nla_put_flag(msg, NL80211_ATTR_SUPPORT_5_MHZ) ||
2174 nla_put_flag(msg, NL80211_ATTR_SUPPORT_10_MHZ)))
2175 goto nla_put_failure;
b43504cf 2176
1b8ec87a 2177 if (rdev->wiphy.max_ap_assoc_sta &&
b43504cf 2178 nla_put_u32(msg, NL80211_ATTR_MAX_AP_ASSOC_STA,
1b8ec87a 2179 rdev->wiphy.max_ap_assoc_sta))
b43504cf
JM		 2180 goto nla_put_failure;
2181
ad7e718c
JB		 2182 state->split_start++;
2183 break;
2184 case 11:
1b8ec87a 2185 if (rdev->wiphy.n_vendor_commands) {
567ffc35
JB		 2186 const struct nl80211_vendor_cmd_info *info;
2187 struct nlattr *nested;
2188
ae0be8de
MK		 2189 nested = nla_nest_start_noflag(msg,
2190 NL80211_ATTR_VENDOR_DATA);
567ffc35
JB		 2191 if (!nested)
2192 goto nla_put_failure;
2193
1b8ec87a
ZG		 2194 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
2195 info = &rdev->wiphy.vendor_commands[i].info;
567ffc35
JB		 2196 if (nla_put(msg, i + 1, sizeof(*info), info))
2197 goto nla_put_failure;
2198 }
2199 nla_nest_end(msg, nested);
2200 }
2201
1b8ec87a 2202 if (rdev->wiphy.n_vendor_events) {
567ffc35
JB		 2203 const struct nl80211_vendor_cmd_info *info;
2204 struct nlattr *nested;
ad7e718c 2205
ae0be8de
MK		 2206 nested = nla_nest_start_noflag(msg,
2207 NL80211_ATTR_VENDOR_EVENTS);
567ffc35 2208 if (!nested)
ad7e718c 2209 goto nla_put_failure;
567ffc35 2210
1b8ec87a
ZG		 2211 for (i = 0; i < rdev->wiphy.n_vendor_events; i++) {
2212 info = &rdev->wiphy.vendor_events[i];
567ffc35
JB		 2213 if (nla_put(msg, i + 1, sizeof(*info), info))
2214 goto nla_put_failure;
2215 }
2216 nla_nest_end(msg, nested);
2217 }
9a774c78
AO		 2218 state->split_start++;
2219 break;
2220 case 12:
2221 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH &&
2222 nla_put_u8(msg, NL80211_ATTR_MAX_CSA_COUNTERS,
2223 rdev->wiphy.max_num_csa_counters))
2224 goto nla_put_failure;
01e0daa4 2225
1bdd716c
AN		 2226 if (rdev->wiphy.regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
2227 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
2228 goto nla_put_failure;
2229
ca986ad9
AVS		 2230 if (rdev->wiphy.max_sched_scan_reqs &&
2231 nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_MAX_REQS,
2232 rdev->wiphy.max_sched_scan_reqs))
2233 goto nla_put_failure;
2234
d75bb06b
GKS		 2235 if (nla_put(msg, NL80211_ATTR_EXT_FEATURES,
2236 sizeof(rdev->wiphy.ext_features),
2237 rdev->wiphy.ext_features))
2238 goto nla_put_failure;
2239
38de03d2
AS		 2240 if (rdev->wiphy.bss_select_support) {
2241 struct nlattr *nested;
2242 u32 bss_select_support = rdev->wiphy.bss_select_support;
2243
ae0be8de
MK		 2244 nested = nla_nest_start_noflag(msg,
2245 NL80211_ATTR_BSS_SELECT);
38de03d2
AS		 2246 if (!nested)
2247 goto nla_put_failure;
2248
2249 i = 0;
2250 while (bss_select_support) {
2251 if ((bss_select_support & 1) &&
2252 nla_put_flag(msg, i))
2253 goto nla_put_failure;
2254 i++;
2255 bss_select_support >>= 1;
2256 }
2257 nla_nest_end(msg, nested);
2258 }
2259
019ae3a9
KV		 2260 state->split_start++;
2261 break;
2262 case 13:
2263 if (rdev->wiphy.num_iftype_ext_capab &&
2264 rdev->wiphy.iftype_ext_capab) {
2265 struct nlattr *nested_ext_capab, *nested;
2266
ae0be8de
MK		 2267 nested = nla_nest_start_noflag(msg,
2268 NL80211_ATTR_IFTYPE_EXT_CAPA);
019ae3a9
KV		 2269 if (!nested)
2270 goto nla_put_failure;
2271
2272 for (i = state->capa_start;
2273 i < rdev->wiphy.num_iftype_ext_capab; i++) {
2274 const struct wiphy_iftype_ext_capab *capab;
2275
2276 capab = &rdev->wiphy.iftype_ext_capab[i];
2277
ae0be8de
MK		 2278 nested_ext_capab = nla_nest_start_noflag(msg,
2279 i);
019ae3a9
KV		 2280 if (!nested_ext_capab ||
2281 nla_put_u32(msg, NL80211_ATTR_IFTYPE,
2282 capab->iftype) ||
2283 nla_put(msg, NL80211_ATTR_EXT_CAPA,
2284 capab->extended_capabilities_len,
2285 capab->extended_capabilities) ||
2286 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
2287 capab->extended_capabilities_len,
2288 capab->extended_capabilities_mask))
2289 goto nla_put_failure;
2290
2291 nla_nest_end(msg, nested_ext_capab);
2292 if (state->split)
2293 break;
2294 }
2295 nla_nest_end(msg, nested);
2296 if (i < rdev->wiphy.num_iftype_ext_capab) {
2297 state->capa_start = i + 1;
2298 break;
2299 }
2300 }
2301
8585989d
LC		 2302 if (nla_put_u32(msg, NL80211_ATTR_BANDS,
2303 rdev->wiphy.nan_supported_bands))
2304 goto nla_put_failure;
2305
52539ca8
THJ		 2306 if (wiphy_ext_feature_isset(&rdev->wiphy,
2307 NL80211_EXT_FEATURE_TXQS)) {
2308 struct cfg80211_txq_stats txqstats = {};
2309 int res;
2310
2311 res = rdev_get_txq_stats(rdev, NULL, &txqstats);
2312 if (!res &&
2313 !nl80211_put_txq_stats(msg, &txqstats,
2314 NL80211_ATTR_TXQ_STATS))
2315 goto nla_put_failure;
2316
2317 if (nla_put_u32(msg, NL80211_ATTR_TXQ_LIMIT,
2318 rdev->wiphy.txq_limit))
2319 goto nla_put_failure;
2320 if (nla_put_u32(msg, NL80211_ATTR_TXQ_MEMORY_LIMIT,
2321 rdev->wiphy.txq_memory_limit))
2322 goto nla_put_failure;
2323 if (nla_put_u32(msg, NL80211_ATTR_TXQ_QUANTUM,
2324 rdev->wiphy.txq_quantum))
2325 goto nla_put_failure;
2326 }
2327
9bb7e0f2
JB		 2328 state->split_start++;
2329 break;
2330 case 14:
2331 if (nl80211_send_pmsr_capa(rdev, msg))
2332 goto nla_put_failure;
2333
ab4dfa20
VJ		 2334 state->split_start++;
2335 break;
2336 case 15:
2337 if (rdev->wiphy.akm_suites &&
2338 nla_put(msg, NL80211_ATTR_AKM_SUITES,
2339 sizeof(u32) * rdev->wiphy.n_akm_suites,
2340 rdev->wiphy.akm_suites))
2341 goto nla_put_failure;
2342
3713b4e3 2343 /* done */
86e8cf98 2344 state->split_start = 0;
3713b4e3
JB		 2345 break;
2346 }
3bb20556 2347 finish:
053c095a
JB		 2348 genlmsg_end(msg, hdr);
2349 return 0;
55682965
JB		 2350
2351 nla_put_failure:
bc3ed28c
TG		 2352 genlmsg_cancel(msg, hdr);
2353 return -EMSGSIZE;
55682965
JB		 2354}
2355
86e8cf98
JB		 2356static int nl80211_dump_wiphy_parse(struct sk_buff *skb,
2357 struct netlink_callback *cb,
2358 struct nl80211_dump_wiphy_state *state)
2359{
c90c39da 2360 struct nlattr **tb = genl_family_attrbuf(&nl80211_fam);
8cb08174
JB		 2361 int ret = nlmsg_parse_deprecated(cb->nlh,
2362 GENL_HDRLEN + nl80211_fam.hdrsize,
2363 tb, nl80211_fam.maxattr,
2364 nl80211_policy, NULL);
86e8cf98
JB		 2365 /* ignore parse errors for backward compatibility */
2366 if (ret)
2367 return 0;
2368
2369 state->split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP];
2370 if (tb[NL80211_ATTR_WIPHY])
2371 state->filter_wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
2372 if (tb[NL80211_ATTR_WDEV])
2373 state->filter_wiphy = nla_get_u64(tb[NL80211_ATTR_WDEV]) >> 32;
2374 if (tb[NL80211_ATTR_IFINDEX]) {
2375 struct net_device *netdev;
2376 struct cfg80211_registered_device *rdev;
2377 int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
2378
7f2b8562 2379 netdev = __dev_get_by_index(sock_net(skb->sk), ifidx);
86e8cf98
JB		 2380 if (!netdev)
2381 return -ENODEV;
2382 if (netdev->ieee80211_ptr) {
f26cbf40 2383 rdev = wiphy_to_rdev(
86e8cf98
JB		 2384 netdev->ieee80211_ptr->wiphy);
2385 state->filter_wiphy = rdev->wiphy_idx;
2386 }
86e8cf98
JB		 2387 }
2388
2389 return 0;
2390}
2391
55682965
JB		 2392static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
2393{
645e77de 2394 int idx = 0, ret;
86e8cf98 2395 struct nl80211_dump_wiphy_state *state = (void *)cb->args[0];
1b8ec87a 2396 struct cfg80211_registered_device *rdev;
3a5a423b 2397
5fe231e8 2398 rtnl_lock();
86e8cf98
JB		 2399 if (!state) {
2400 state = kzalloc(sizeof(*state), GFP_KERNEL);
57ed5cd6
JL		 2401 if (!state) {
2402 rtnl_unlock();
86e8cf98 2403 return -ENOMEM;
3713b4e3 2404 }
86e8cf98
JB		 2405 state->filter_wiphy = -1;
2406 ret = nl80211_dump_wiphy_parse(skb, cb, state);
2407 if (ret) {
2408 kfree(state);
2409 rtnl_unlock();
2410 return ret;
3713b4e3 2411 }
86e8cf98 2412 cb->args[0] = (long)state;
3713b4e3
JB		 2413 }
2414
1b8ec87a
ZG		 2415 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
2416 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
463d0183 2417 continue;
86e8cf98 2418 if (++idx <= state->start)
55682965 2419 continue;
86e8cf98 2420 if (state->filter_wiphy != -1 &&
1b8ec87a 2421 state->filter_wiphy != rdev->wiphy_idx)
3713b4e3
JB		 2422 continue;
2423 /* attempt to fit multiple wiphy data chunks into the skb */
2424 do {
3bb20556
JB		 2425 ret = nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY,
2426 skb,
3713b4e3
JB		 2427 NETLINK_CB(cb->skb).portid,
2428 cb->nlh->nlmsg_seq,
86e8cf98 2429 NLM_F_MULTI, state);
3713b4e3
JB		 2430 if (ret < 0) {
2431 /*
2432 * If sending the wiphy data didn't fit (ENOBUFS
2433 * or EMSGSIZE returned), this SKB is still
2434 * empty (so it's not too big because another
2435 * wiphy dataset is already in the skb) and
2436 * we've not tried to adjust the dump allocation
2437 * yet ... then adjust the alloc size to be
2438 * bigger, and return 1 but with the empty skb.
2439 * This results in an empty message being RX'ed
2440 * in userspace, but that is ignored.
2441 *
2442 * We can then retry with the larger buffer.
2443 */
2444 if ((ret == -ENOBUFS || ret == -EMSGSIZE) &&
f12cb289 2445 !skb->len && !state->split &&
3713b4e3
JB		 2446 cb->min_dump_alloc < 4096) {
2447 cb->min_dump_alloc = 4096;
f12cb289 2448 state->split_start = 0;
d98cae64 2449 rtnl_unlock();
3713b4e3
JB		 2450 return 1;
2451 }
2452 idx--;
2453 break;
645e77de 2454 }
86e8cf98 2455 } while (state->split_start > 0);
3713b4e3 2456 break;
55682965 2457 }
5fe231e8 2458 rtnl_unlock();
55682965 2459
86e8cf98 2460 state->start = idx;
55682965
JB		 2461
2462 return skb->len;
2463}
2464
86e8cf98
JB		 2465static int nl80211_dump_wiphy_done(struct netlink_callback *cb)
2466{
2467 kfree((void *)cb->args[0]);
2468 return 0;
2469}
2470
55682965
JB		 2471static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info)
2472{
2473 struct sk_buff *msg;
1b8ec87a 2474 struct cfg80211_registered_device *rdev = info->user_ptr[0];
86e8cf98 2475 struct nl80211_dump_wiphy_state state = {};
55682965 2476
645e77de 2477 msg = nlmsg_new(4096, GFP_KERNEL);
55682965 2478 if (!msg)
4c476991 2479 return -ENOMEM;
55682965 2480
3bb20556
JB		 2481 if (nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY, msg,
2482 info->snd_portid, info->snd_seq, 0,
86e8cf98 2483 &state) < 0) {
4c476991
JB		 2484 nlmsg_free(msg);
2485 return -ENOBUFS;
2486 }
55682965 2487
134e6375 2488 return genlmsg_reply(msg, info);
55682965
JB		 2489}
2490
31888487
JM		 2491static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = {
2492 [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 },
2493 [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 },
2494 [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 },
2495 [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 },
2496 [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 },
2497};
2498
2499static int parse_txq_params(struct nlattr *tb[],
2500 struct ieee80211_txq_params *txq_params)
2501{
259d8c1e
DW		 2502 u8 ac;
2503
a3304b0a 2504 if (!tb[NL80211_TXQ_ATTR_AC] || !tb[NL80211_TXQ_ATTR_TXOP] ||
31888487
JM		 2505 !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] ||
2506 !tb[NL80211_TXQ_ATTR_AIFS])
2507 return -EINVAL;
2508
259d8c1e 2509 ac = nla_get_u8(tb[NL80211_TXQ_ATTR_AC]);
31888487
JM		 2510 txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]);
2511 txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]);
2512 txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]);
2513 txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]);
2514
259d8c1e 2515 if (ac >= NL80211_NUM_ACS)
a3304b0a 2516 return -EINVAL;
259d8c1e 2517 txq_params->ac = array_index_nospec(ac, NL80211_NUM_ACS);
31888487
JM		 2518 return 0;
2519}
2520
f444de05
JB		 2521static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev)
2522{
2523 /*
cc1d2806
JB		 2524 * You can only set the channel explicitly for WDS interfaces,
2525 * all others have their channel managed via their respective
2526 * "establish a connection" command (connect, join, ...)
2527 *
2528 * For AP/GO and mesh mode, the channel can be set with the
2529 * channel userspace API, but is only stored and passed to the
2530 * low-level driver when the AP starts or the mesh is joined.
2531 * This is for backward compatibility, userspace can also give
2532 * the channel in the start-ap or join-mesh commands instead.
f444de05
JB		 2533 *
2534 * Monitors are special as they are normally slaved to
e8c9bd5b
JB		 2535 * whatever else is going on, so they have their own special
2536 * operation to set the monitor channel if possible.
f444de05
JB		 2537 */
2538 return !wdev ||
2539 wdev->iftype == NL80211_IFTYPE_AP ||
f444de05 2540 wdev->iftype == NL80211_IFTYPE_MESH_POINT ||
074ac8df
JB		 2541 wdev->iftype == NL80211_IFTYPE_MONITOR ||
2542 wdev->iftype == NL80211_IFTYPE_P2P_GO;
f444de05
JB		 2543}
2544
9bb7e0f2
JB		 2545int nl80211_parse_chandef(struct cfg80211_registered_device *rdev,
2546 struct genl_info *info,
2547 struct cfg80211_chan_def *chandef)
683b6d3b 2548{
49f9cf0e
JB		 2549 struct netlink_ext_ack *extack = info->extack;
2550 struct nlattr **attrs = info->attrs;
dbeca2ea 2551 u32 control_freq;
683b6d3b 2552
49f9cf0e 2553 if (!attrs[NL80211_ATTR_WIPHY_FREQ])
683b6d3b
JB		 2554 return -EINVAL;
2555
49f9cf0e 2556 control_freq = nla_get_u32(attrs[NL80211_ATTR_WIPHY_FREQ]);
683b6d3b
JB		 2557
2558 chandef->chan = ieee80211_get_channel(&rdev->wiphy, control_freq);
3d9d1d66
JB		 2559 chandef->width = NL80211_CHAN_WIDTH_20_NOHT;
2560 chandef->center_freq1 = control_freq;
2561 chandef->center_freq2 = 0;
683b6d3b
JB		 2562
2563 /* Primary channel not allowed */
49f9cf0e
JB		 2564 if (!chandef->chan || chandef->chan->flags & IEEE80211_CHAN_DISABLED) {
2565 NL_SET_ERR_MSG_ATTR(extack, attrs[NL80211_ATTR_WIPHY_FREQ],
2566 "Channel is disabled");
683b6d3b 2567 return -EINVAL;
49f9cf0e 2568 }
683b6d3b 2569
49f9cf0e 2570 if (attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
3d9d1d66
JB		 2571 enum nl80211_channel_type chantype;
2572
49f9cf0e 2573 chantype = nla_get_u32(attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
3d9d1d66
JB		 2574
2575 switch (chantype) {
2576 case NL80211_CHAN_NO_HT:
2577 case NL80211_CHAN_HT20:
2578 case NL80211_CHAN_HT40PLUS:
2579 case NL80211_CHAN_HT40MINUS:
2580 cfg80211_chandef_create(chandef, chandef->chan,
2581 chantype);
ffa4629e 2582 /* user input for center_freq is incorrect */
49f9cf0e
JB		 2583 if (attrs[NL80211_ATTR_CENTER_FREQ1] &&
2584 chandef->center_freq1 != nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ1])) {
2585 NL_SET_ERR_MSG_ATTR(extack,
2586 attrs[NL80211_ATTR_CENTER_FREQ1],
2587 "bad center frequency 1");
ffa4629e 2588 return -EINVAL;
49f9cf0e 2589 }
ffa4629e 2590 /* center_freq2 must be zero */
49f9cf0e
JB		 2591 if (attrs[NL80211_ATTR_CENTER_FREQ2] &&
2592 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ2])) {
2593 NL_SET_ERR_MSG_ATTR(extack,
2594 attrs[NL80211_ATTR_CENTER_FREQ2],
2595 "center frequency 2 can't be used");
ffa4629e 2596 return -EINVAL;
49f9cf0e 2597 }
3d9d1d66
JB		 2598 break;
2599 default:
49f9cf0e
JB		 2600 NL_SET_ERR_MSG_ATTR(extack,
2601 attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE],
2602 "invalid channel type");
3d9d1d66
JB		 2603 return -EINVAL;
2604 }
49f9cf0e 2605 } else if (attrs[NL80211_ATTR_CHANNEL_WIDTH]) {
3d9d1d66 2606 chandef->width =
49f9cf0e
JB		 2607 nla_get_u32(attrs[NL80211_ATTR_CHANNEL_WIDTH]);
2608 if (attrs[NL80211_ATTR_CENTER_FREQ1])
3d9d1d66 2609 chandef->center_freq1 =
49f9cf0e
JB		 2610 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ1]);
2611 if (attrs[NL80211_ATTR_CENTER_FREQ2])
3d9d1d66 2612 chandef->center_freq2 =
49f9cf0e 2613 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ2]);
3d9d1d66
JB		 2614 }
2615
49f9cf0e
JB		 2616 if (!cfg80211_chandef_valid(chandef)) {
2617 NL_SET_ERR_MSG(extack, "invalid channel definition");
3d9d1d66 2618 return -EINVAL;
49f9cf0e 2619 }
3d9d1d66 2620
9f5e8f6e 2621 if (!cfg80211_chandef_usable(&rdev->wiphy, chandef,
49f9cf0e
JB		 2622 IEEE80211_CHAN_DISABLED)) {
2623 NL_SET_ERR_MSG(extack, "(extension) channel is disabled");
3d9d1d66 2624 return -EINVAL;
49f9cf0e 2625 }
3d9d1d66 2626
2f301ab2
SW		 2627 if ((chandef->width == NL80211_CHAN_WIDTH_5 ||
2628 chandef->width == NL80211_CHAN_WIDTH_10) &&
49f9cf0e
JB		 2629 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ)) {
2630 NL_SET_ERR_MSG(extack, "5/10 MHz not supported");
2f301ab2 2631 return -EINVAL;
49f9cf0e 2632 }
2f301ab2 2633
683b6d3b
JB		 2634 return 0;
2635}
2636
f444de05 2637static int __nl80211_set_channel(struct cfg80211_registered_device *rdev,
e16821bc 2638 struct net_device *dev,
f444de05
JB		 2639 struct genl_info *info)
2640{
683b6d3b 2641 struct cfg80211_chan_def chandef;
f444de05 2642 int result;
e8c9bd5b 2643 enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR;
e16821bc 2644 struct wireless_dev *wdev = NULL;
e8c9bd5b 2645
e16821bc
JM		 2646 if (dev)
2647 wdev = dev->ieee80211_ptr;
f444de05
JB		 2648 if (!nl80211_can_set_dev_channel(wdev))
2649 return -EOPNOTSUPP;
e16821bc
JM		 2650 if (wdev)
2651 iftype = wdev->iftype;
f444de05 2652
683b6d3b
JB		 2653 result = nl80211_parse_chandef(rdev, info, &chandef);
2654 if (result)
2655 return result;
f444de05 2656
e8c9bd5b 2657 switch (iftype) {
aa430da4
JB		 2658 case NL80211_IFTYPE_AP:
2659 case NL80211_IFTYPE_P2P_GO:
923b352f
AN		 2660 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
2661 iftype)) {
aa430da4
JB		 2662 result = -EINVAL;
2663 break;
2664 }
e16821bc
JM		 2665 if (wdev->beacon_interval) {
2666 if (!dev || !rdev->ops->set_ap_chanwidth ||
2667 !(rdev->wiphy.features &
2668 NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE)) {
2669 result = -EBUSY;
2670 break;
2671 }
2672
2673 /* Only allow dynamic channel width changes */
2674 if (chandef.chan != wdev->preset_chandef.chan) {
2675 result = -EBUSY;
2676 break;
2677 }
2678 result = rdev_set_ap_chanwidth(rdev, dev, &chandef);
2679 if (result)
2680 break;
2681 }
683b6d3b 2682 wdev->preset_chandef = chandef;
aa430da4
JB		 2683 result = 0;
2684 break;
cc1d2806 2685 case NL80211_IFTYPE_MESH_POINT:
683b6d3b 2686 result = cfg80211_set_mesh_channel(rdev, wdev, &chandef);
cc1d2806 2687 break;
e8c9bd5b 2688 case NL80211_IFTYPE_MONITOR:
683b6d3b 2689 result = cfg80211_set_monitor_channel(rdev, &chandef);
e8c9bd5b 2690 break;
aa430da4 2691 default:
e8c9bd5b 2692 result = -EINVAL;
f444de05 2693 }
f444de05
JB		 2694
2695 return result;
2696}
2697
2698static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info)
2699{
4c476991
JB		 2700 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2701 struct net_device *netdev = info->user_ptr[1];
f444de05 2702
e16821bc 2703 return __nl80211_set_channel(rdev, netdev, info);
f444de05
JB		 2704}
2705
e8347eba
BJ		 2706static int nl80211_set_wds_peer(struct sk_buff *skb, struct genl_info *info)
2707{
43b19952
JB		 2708 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2709 struct net_device *dev = info->user_ptr[1];
2710 struct wireless_dev *wdev = dev->ieee80211_ptr;
388ac775 2711 const u8 *bssid;
e8347eba
BJ		 2712
2713 if (!info->attrs[NL80211_ATTR_MAC])
2714 return -EINVAL;
2715
43b19952
JB		 2716 if (netif_running(dev))
2717 return -EBUSY;
e8347eba 2718
43b19952
JB		 2719 if (!rdev->ops->set_wds_peer)
2720 return -EOPNOTSUPP;
e8347eba 2721
43b19952
JB		 2722 if (wdev->iftype != NL80211_IFTYPE_WDS)
2723 return -EOPNOTSUPP;
e8347eba
BJ		 2724
2725 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
e35e4d28 2726 return rdev_set_wds_peer(rdev, dev, bssid);
e8347eba
BJ		 2727}
2728
55682965
JB		 2729static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
2730{
2731 struct cfg80211_registered_device *rdev;
f444de05
JB		 2732 struct net_device *netdev = NULL;
2733 struct wireless_dev *wdev;
a1e567c8 2734 int result = 0, rem_txq_params = 0;
31888487 2735 struct nlattr *nl_txq_params;
b9a5f8ca
JM		 2736 u32 changed;
2737 u8 retry_short = 0, retry_long = 0;
2738 u32 frag_threshold = 0, rts_threshold = 0;
81077e82 2739 u8 coverage_class = 0;
52539ca8 2740 u32 txq_limit = 0, txq_memory_limit = 0, txq_quantum = 0;
55682965 2741
5fe231e8
JB		 2742 ASSERT_RTNL();
2743
f444de05
JB		 2744 /*
2745 * Try to find the wiphy and netdev. Normally this
2746 * function shouldn't need the netdev, but this is
2747 * done for backward compatibility -- previously
2748 * setting the channel was done per wiphy, but now
2749 * it is per netdev. Previous userland like hostapd
2750 * also passed a netdev to set_wiphy, so that it is
2751 * possible to let that go to the right netdev!
2752 */
4bbf4d56 2753
f444de05
JB		 2754 if (info->attrs[NL80211_ATTR_IFINDEX]) {
2755 int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]);
2756
7f2b8562 2757 netdev = __dev_get_by_index(genl_info_net(info), ifindex);
5fe231e8 2758 if (netdev && netdev->ieee80211_ptr)
f26cbf40 2759 rdev = wiphy_to_rdev(netdev->ieee80211_ptr->wiphy);
5fe231e8 2760 else
f444de05 2761 netdev = NULL;
4bbf4d56
JB		 2762 }
2763
f444de05 2764 if (!netdev) {
878d9ec7
JB		 2765 rdev = __cfg80211_rdev_from_attrs(genl_info_net(info),
2766 info->attrs);
5fe231e8 2767 if (IS_ERR(rdev))
4c476991 2768 return PTR_ERR(rdev);
f444de05
JB		 2769 wdev = NULL;
2770 netdev = NULL;
2771 result = 0;
71fe96bf 2772 } else
f444de05 2773 wdev = netdev->ieee80211_ptr;
f444de05
JB		 2774
2775 /*
2776 * end workaround code, by now the rdev is available
2777 * and locked, and wdev may or may not be NULL.
2778 */
4bbf4d56
JB		 2779
2780 if (info->attrs[NL80211_ATTR_WIPHY_NAME])
31888487
JM		 2781 result = cfg80211_dev_rename(
2782 rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME]));
4bbf4d56 2783
4bbf4d56 2784 if (result)
7f2b8562 2785 return result;
31888487
JM		 2786
2787 if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) {
2788 struct ieee80211_txq_params txq_params;
2789 struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1];
2790
7f2b8562
YX		 2791 if (!rdev->ops->set_txq_params)
2792 return -EOPNOTSUPP;
31888487 2793
7f2b8562
YX		 2794 if (!netdev)
2795 return -EINVAL;
f70f01c2 2796
133a3ff2 2797 if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
7f2b8562
YX		 2798 netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
2799 return -EINVAL;
133a3ff2 2800
7f2b8562
YX		 2801 if (!netif_running(netdev))
2802 return -ENETDOWN;
2b5f8b0b 2803
31888487
JM		 2804 nla_for_each_nested(nl_txq_params,
2805 info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS],
2806 rem_txq_params) {
8cb08174
JB		 2807 result = nla_parse_nested_deprecated(tb,
2808 NL80211_TXQ_ATTR_MAX,
2809 nl_txq_params,
2810 txq_params_policy,
2811 info->extack);
ae811e21
JB		 2812 if (result)
2813 return result;
31888487
JM		 2814 result = parse_txq_params(tb, &txq_params);
2815 if (result)
7f2b8562 2816 return result;
31888487 2817
e35e4d28
HG		 2818 result = rdev_set_txq_params(rdev, netdev,
2819 &txq_params);
31888487 2820 if (result)
7f2b8562 2821 return result;
31888487
JM		 2822 }
2823 }
55682965 2824
72bdcf34 2825 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
e16821bc
JM		 2826 result = __nl80211_set_channel(
2827 rdev,
2828 nl80211_can_set_dev_channel(wdev) ? netdev : NULL,
2829 info);
72bdcf34 2830 if (result)
7f2b8562 2831 return result;
72bdcf34
JM		 2832 }
2833
98d2ff8b 2834 if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) {
c8442118 2835 struct wireless_dev *txp_wdev = wdev;
98d2ff8b
JO		 2836 enum nl80211_tx_power_setting type;
2837 int idx, mbm = 0;
2838
c8442118
JB		 2839 if (!(rdev->wiphy.features & NL80211_FEATURE_VIF_TXPOWER))
2840 txp_wdev = NULL;
2841
7f2b8562
YX		 2842 if (!rdev->ops->set_tx_power)
2843 return -EOPNOTSUPP;
98d2ff8b
JO		 2844
2845 idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING;
2846 type = nla_get_u32(info->attrs[idx]);
2847
2848 if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] &&
7f2b8562
YX		 2849 (type != NL80211_TX_POWER_AUTOMATIC))
2850 return -EINVAL;
98d2ff8b
JO		 2851
2852 if (type != NL80211_TX_POWER_AUTOMATIC) {
2853 idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL;
2854 mbm = nla_get_u32(info->attrs[idx]);
2855 }
2856
c8442118 2857 result = rdev_set_tx_power(rdev, txp_wdev, type, mbm);
98d2ff8b 2858 if (result)
7f2b8562 2859 return result;
98d2ff8b
JO		 2860 }
2861
afe0cbf8
BR		 2862 if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] &&
2863 info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) {
2864 u32 tx_ant, rx_ant;
7a087e74 2865
7f531e03
BR		 2866 if ((!rdev->wiphy.available_antennas_tx &&
2867 !rdev->wiphy.available_antennas_rx) ||
7f2b8562
YX		 2868 !rdev->ops->set_antenna)
2869 return -EOPNOTSUPP;
afe0cbf8
BR		 2870
2871 tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]);
2872 rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]);
2873
a7ffac95 2874 /* reject antenna configurations which don't match the
7f531e03
BR		 2875 * available antenna masks, except for the "all" mask */
2876 if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) ||
7f2b8562
YX		 2877 (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx)))
2878 return -EINVAL;
a7ffac95 2879
7f531e03
BR		 2880 tx_ant = tx_ant & rdev->wiphy.available_antennas_tx;
2881 rx_ant = rx_ant & rdev->wiphy.available_antennas_rx;
a7ffac95 2882
e35e4d28 2883 result = rdev_set_antenna(rdev, tx_ant, rx_ant);
afe0cbf8 2884 if (result)
7f2b8562 2885 return result;
afe0cbf8
BR		 2886 }
2887
b9a5f8ca
JM		 2888 changed = 0;
2889
2890 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) {
2891 retry_short = nla_get_u8(
2892 info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]);
7f2b8562 2893
b9a5f8ca
JM		 2894 changed |= WIPHY_PARAM_RETRY_SHORT;
2895 }
2896
2897 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) {
2898 retry_long = nla_get_u8(
2899 info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]);
7f2b8562 2900
b9a5f8ca
JM		 2901 changed |= WIPHY_PARAM_RETRY_LONG;
2902 }
2903
2904 if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) {
2905 frag_threshold = nla_get_u32(
2906 info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]);
7f2b8562
YX		 2907 if (frag_threshold < 256)
2908 return -EINVAL;
2909
b9a5f8ca
JM		 2910 if (frag_threshold != (u32) -1) {
2911 /*
2912 * Fragments (apart from the last one) are required to
2913 * have even length. Make the fragmentation code
2914 * simpler by stripping LSB should someone try to use
2915 * odd threshold value.
2916 */
2917 frag_threshold &= ~0x1;
2918 }
2919 changed |= WIPHY_PARAM_FRAG_THRESHOLD;
2920 }
2921
2922 if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) {
2923 rts_threshold = nla_get_u32(
2924 info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]);
2925 changed |= WIPHY_PARAM_RTS_THRESHOLD;
2926 }
2927
81077e82 2928 if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) {
3057dbfd
LB		 2929 if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK])
2930 return -EINVAL;
2931
81077e82
LT		 2932 coverage_class = nla_get_u8(
2933 info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]);
2934 changed |= WIPHY_PARAM_COVERAGE_CLASS;
2935 }
2936
3057dbfd
LB		 2937 if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) {
2938 if (!(rdev->wiphy.features & NL80211_FEATURE_ACKTO_ESTIMATION))
2939 return -EOPNOTSUPP;
2940
2941 changed |= WIPHY_PARAM_DYN_ACK;
81077e82
LT		 2942 }
2943
52539ca8
THJ		 2944 if (info->attrs[NL80211_ATTR_TXQ_LIMIT]) {
2945 if (!wiphy_ext_feature_isset(&rdev->wiphy,
2946 NL80211_EXT_FEATURE_TXQS))
2947 return -EOPNOTSUPP;
2948 txq_limit = nla_get_u32(
2949 info->attrs[NL80211_ATTR_TXQ_LIMIT]);
2950 changed |= WIPHY_PARAM_TXQ_LIMIT;
2951 }
2952
2953 if (info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]) {
2954 if (!wiphy_ext_feature_isset(&rdev->wiphy,
2955 NL80211_EXT_FEATURE_TXQS))
2956 return -EOPNOTSUPP;
2957 txq_memory_limit = nla_get_u32(
2958 info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]);
2959 changed |= WIPHY_PARAM_TXQ_MEMORY_LIMIT;
2960 }
2961
2962 if (info->attrs[NL80211_ATTR_TXQ_QUANTUM]) {
2963 if (!wiphy_ext_feature_isset(&rdev->wiphy,
2964 NL80211_EXT_FEATURE_TXQS))
2965 return -EOPNOTSUPP;
2966 txq_quantum = nla_get_u32(
2967 info->attrs[NL80211_ATTR_TXQ_QUANTUM]);
2968 changed |= WIPHY_PARAM_TXQ_QUANTUM;
2969 }
2970
b9a5f8ca
JM		 2971 if (changed) {
2972 u8 old_retry_short, old_retry_long;
2973 u32 old_frag_threshold, old_rts_threshold;
81077e82 2974 u8 old_coverage_class;
52539ca8 2975 u32 old_txq_limit, old_txq_memory_limit, old_txq_quantum;
b9a5f8ca 2976
7f2b8562
YX		 2977 if (!rdev->ops->set_wiphy_params)
2978 return -EOPNOTSUPP;
b9a5f8ca
JM		 2979
2980 old_retry_short = rdev->wiphy.retry_short;
2981 old_retry_long = rdev->wiphy.retry_long;
2982 old_frag_threshold = rdev->wiphy.frag_threshold;
2983 old_rts_threshold = rdev->wiphy.rts_threshold;
81077e82 2984 old_coverage_class = rdev->wiphy.coverage_class;
52539ca8
THJ		 2985 old_txq_limit = rdev->wiphy.txq_limit;
2986 old_txq_memory_limit = rdev->wiphy.txq_memory_limit;
2987 old_txq_quantum = rdev->wiphy.txq_quantum;
b9a5f8ca
JM		 2988
2989 if (changed & WIPHY_PARAM_RETRY_SHORT)
2990 rdev->wiphy.retry_short = retry_short;
2991 if (changed & WIPHY_PARAM_RETRY_LONG)
2992 rdev->wiphy.retry_long = retry_long;
2993 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
2994 rdev->wiphy.frag_threshold = frag_threshold;
2995 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
2996 rdev->wiphy.rts_threshold = rts_threshold;
81077e82
LT		 2997 if (changed & WIPHY_PARAM_COVERAGE_CLASS)
2998 rdev->wiphy.coverage_class = coverage_class;
52539ca8
THJ		 2999 if (changed & WIPHY_PARAM_TXQ_LIMIT)
3000 rdev->wiphy.txq_limit = txq_limit;
3001 if (changed & WIPHY_PARAM_TXQ_MEMORY_LIMIT)
3002 rdev->wiphy.txq_memory_limit = txq_memory_limit;
3003 if (changed & WIPHY_PARAM_TXQ_QUANTUM)
3004 rdev->wiphy.txq_quantum = txq_quantum;
b9a5f8ca 3005
e35e4d28 3006 result = rdev_set_wiphy_params(rdev, changed);
b9a5f8ca
JM		 3007 if (result) {
3008 rdev->wiphy.retry_short = old_retry_short;
3009 rdev->wiphy.retry_long = old_retry_long;
3010 rdev->wiphy.frag_threshold = old_frag_threshold;
3011 rdev->wiphy.rts_threshold = old_rts_threshold;
81077e82 3012 rdev->wiphy.coverage_class = old_coverage_class;
52539ca8
THJ		 3013 rdev->wiphy.txq_limit = old_txq_limit;
3014 rdev->wiphy.txq_memory_limit = old_txq_memory_limit;
3015 rdev->wiphy.txq_quantum = old_txq_quantum;
9189ee31 3016 return result;
b9a5f8ca
JM		 3017 }
3018 }
7f2b8562 3019 return 0;
55682965
JB		 3020}
3021
683b6d3b 3022static int nl80211_send_chandef(struct sk_buff *msg,
d2859df5 3023 const struct cfg80211_chan_def *chandef)
683b6d3b 3024{
601555cd
JB		 3025 if (WARN_ON(!cfg80211_chandef_valid(chandef)))
3026 return -EINVAL;
3d9d1d66 3027
683b6d3b
JB		 3028 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
3029 chandef->chan->center_freq))
3030 return -ENOBUFS;
3d9d1d66
JB		 3031 switch (chandef->width) {
3032 case NL80211_CHAN_WIDTH_20_NOHT:
3033 case NL80211_CHAN_WIDTH_20:
3034 case NL80211_CHAN_WIDTH_40:
3035 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
3036 cfg80211_get_chandef_type(chandef)))
3037 return -ENOBUFS;
3038 break;
3039 default:
3040 break;
3041 }
3042 if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, chandef->width))
3043 return -ENOBUFS;
3044 if (nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, chandef->center_freq1))
3045 return -ENOBUFS;
3046 if (chandef->center_freq2 &&
3047 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, chandef->center_freq2))
683b6d3b
JB		 3048 return -ENOBUFS;
3049 return 0;
3050}
3051
15e47304 3052static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags,
d726405a 3053 struct cfg80211_registered_device *rdev,
3d1a5bbf
AZ		 3054 struct wireless_dev *wdev,
3055 enum nl80211_commands cmd)
55682965 3056{
72fb2abc 3057 struct net_device *dev = wdev->netdev;
55682965
JB		 3058 void *hdr;
3059
3d1a5bbf
AZ		 3060 WARN_ON(cmd != NL80211_CMD_NEW_INTERFACE &&
3061 cmd != NL80211_CMD_DEL_INTERFACE &&
3062 cmd != NL80211_CMD_SET_INTERFACE);
8f894be2
TB		 3063
3064 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
55682965
JB		 3065 if (!hdr)
3066 return -1;
3067
72fb2abc
JB		 3068 if (dev &&
3069 (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
98104fde 3070 nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name)))
72fb2abc
JB		 3071 goto nla_put_failure;
3072
3073 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
3074 nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) ||
2dad624e
ND		 3075 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
3076 NL80211_ATTR_PAD) ||
98104fde 3077 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) ||
9360ffd1
DM		 3078 nla_put_u32(msg, NL80211_ATTR_GENERATION,
3079 rdev->devlist_generation ^
446faa15
AQ		 3080 (cfg80211_rdev_list_generation << 2)) ||
3081 nla_put_u8(msg, NL80211_ATTR_4ADDR, wdev->use_4addr))
9360ffd1 3082 goto nla_put_failure;
f5ea9120 3083
5b7ccaf3 3084 if (rdev->ops->get_channel) {
683b6d3b
JB		 3085 int ret;
3086 struct cfg80211_chan_def chandef;
3087
3088 ret = rdev_get_channel(rdev, wdev, &chandef);
3089 if (ret == 0) {
3090 if (nl80211_send_chandef(msg, &chandef))
3091 goto nla_put_failure;
3092 }
d91df0e3
PF		 3093 }
3094
d55d0d59
RM		 3095 if (rdev->ops->get_tx_power) {
3096 int dbm, ret;
3097
3098 ret = rdev_get_tx_power(rdev, wdev, &dbm);
3099 if (ret == 0 &&
3100 nla_put_u32(msg, NL80211_ATTR_WIPHY_TX_POWER_LEVEL,
3101 DBM_TO_MBM(dbm)))
3102 goto nla_put_failure;
3103 }
3104
44905265
JB		 3105 wdev_lock(wdev);
3106 switch (wdev->iftype) {
3107 case NL80211_IFTYPE_AP:
3108 if (wdev->ssid_len &&
3109 nla_put(msg, NL80211_ATTR_SSID, wdev->ssid_len, wdev->ssid))
4564b187 3110 goto nla_put_failure_locked;
44905265
JB		 3111 break;
3112 case NL80211_IFTYPE_STATION:
3113 case NL80211_IFTYPE_P2P_CLIENT:
3114 case NL80211_IFTYPE_ADHOC: {
3115 const u8 *ssid_ie;
3116 if (!wdev->current_bss)
3117 break;
7a94b8c2 3118 rcu_read_lock();
44905265
JB		 3119 ssid_ie = ieee80211_bss_get_ie(&wdev->current_bss->pub,
3120 WLAN_EID_SSID);
7a94b8c2
DB		 3121 if (ssid_ie &&
3122 nla_put(msg, NL80211_ATTR_SSID, ssid_ie[1], ssid_ie + 2))
3123 goto nla_put_failure_rcu_locked;
3124 rcu_read_unlock();
44905265
JB		 3125 break;
3126 }
3127 default:
3128 /* nothing */
3129 break;
b84e7a05 3130 }
44905265 3131 wdev_unlock(wdev);
b84e7a05 3132
52539ca8
THJ		 3133 if (rdev->ops->get_txq_stats) {
3134 struct cfg80211_txq_stats txqstats = {};
3135 int ret = rdev_get_txq_stats(rdev, wdev, &txqstats);
3136
3137 if (ret == 0 &&
3138 !nl80211_put_txq_stats(msg, &txqstats,
3139 NL80211_ATTR_TXQ_STATS))
3140 goto nla_put_failure;
3141 }
3142
053c095a
JB		 3143 genlmsg_end(msg, hdr);
3144 return 0;
55682965 3145
7a94b8c2
DB		 3146 nla_put_failure_rcu_locked:
3147 rcu_read_unlock();
4564b187
JB		 3148 nla_put_failure_locked:
3149 wdev_unlock(wdev);
55682965 3150 nla_put_failure:
bc3ed28c
TG		 3151 genlmsg_cancel(msg, hdr);
3152 return -EMSGSIZE;
55682965
JB		 3153}
3154
3155static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb)
3156{
3157 int wp_idx = 0;
3158 int if_idx = 0;
3159 int wp_start = cb->args[0];
3160 int if_start = cb->args[1];
b7fb44da 3161 int filter_wiphy = -1;
f5ea9120 3162 struct cfg80211_registered_device *rdev;
55682965 3163 struct wireless_dev *wdev;
ea90e0dc 3164 int ret;
55682965 3165
5fe231e8 3166 rtnl_lock();
b7fb44da
DK		 3167 if (!cb->args[2]) {
3168 struct nl80211_dump_wiphy_state state = {
3169 .filter_wiphy = -1,
3170 };
b7fb44da
DK		 3171
3172 ret = nl80211_dump_wiphy_parse(skb, cb, &state);
3173 if (ret)
ea90e0dc 3174 goto out_unlock;
b7fb44da
DK		 3175
3176 filter_wiphy = state.filter_wiphy;
3177
3178 /*
3179 * if filtering, set cb->args[2] to +1 since 0 is the default
3180 * value needed to determine that parsing is necessary.
3181 */
3182 if (filter_wiphy >= 0)
3183 cb->args[2] = filter_wiphy + 1;
3184 else
3185 cb->args[2] = -1;
3186 } else if (cb->args[2] > 0) {
3187 filter_wiphy = cb->args[2] - 1;
3188 }
3189
f5ea9120
JB		 3190 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
3191 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
463d0183 3192 continue;
bba95fef
JB		 3193 if (wp_idx < wp_start) {
3194 wp_idx++;
55682965 3195 continue;
bba95fef 3196 }
b7fb44da
DK		 3197
3198 if (filter_wiphy >= 0 && filter_wiphy != rdev->wiphy_idx)
3199 continue;
3200
55682965
JB		 3201 if_idx = 0;
3202
53873f13 3203 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
bba95fef
JB		 3204 if (if_idx < if_start) {
3205 if_idx++;
55682965 3206 continue;
bba95fef 3207 }
15e47304 3208 if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid,
55682965 3209 cb->nlh->nlmsg_seq, NLM_F_MULTI,
3d1a5bbf
AZ		 3210 rdev, wdev,
3211 NL80211_CMD_NEW_INTERFACE) < 0) {
bba95fef
JB		 3212 goto out;
3213 }
3214 if_idx++;
55682965 3215 }
bba95fef
JB		 3216
3217 wp_idx++;
55682965 3218 }
bba95fef 3219 out:
55682965
JB		 3220 cb->args[0] = wp_idx;
3221 cb->args[1] = if_idx;
3222
ea90e0dc
JB		 3223 ret = skb->len;
3224 out_unlock:
3225 rtnl_unlock();
3226
3227 return ret;
55682965
JB		 3228}
3229
3230static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info)
3231{
3232 struct sk_buff *msg;
1b8ec87a 3233 struct cfg80211_registered_device *rdev = info->user_ptr[0];
72fb2abc 3234 struct wireless_dev *wdev = info->user_ptr[1];
55682965 3235
fd2120ca 3236 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
55682965 3237 if (!msg)
4c476991 3238 return -ENOMEM;
55682965 3239
15e47304 3240 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
3d1a5bbf 3241 rdev, wdev, NL80211_CMD_NEW_INTERFACE) < 0) {
4c476991
JB		 3242 nlmsg_free(msg);
3243 return -ENOBUFS;
3244 }
55682965 3245
134e6375 3246 return genlmsg_reply(msg, info);
55682965
JB		 3247}
3248
66f7ac50
MW		 3249static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = {
3250 [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG },
3251 [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG },
3252 [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG },
3253 [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG },
3254 [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG },
e057d3c3 3255 [NL80211_MNTR_FLAG_ACTIVE] = { .type = NLA_FLAG },
66f7ac50
MW		 3256};
3257
3258static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags)
3259{
3260 struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1];
3261 int flag;
3262
3263 *mntrflags = 0;
3264
3265 if (!nla)
3266 return -EINVAL;
3267
8cb08174 3268 if (nla_parse_nested_deprecated(flags, NL80211_MNTR_FLAG_MAX, nla, mntr_flags_policy, NULL))
66f7ac50
MW		 3269 return -EINVAL;
3270
3271 for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++)
3272 if (flags[flag])
3273 *mntrflags |= (1<<flag);
3274
818a986e
JB		 3275 *mntrflags |= MONITOR_FLAG_CHANGED;
3276
66f7ac50
MW		 3277 return 0;
3278}
3279
1db77596
JB		 3280static int nl80211_parse_mon_options(struct cfg80211_registered_device *rdev,
3281 enum nl80211_iftype type,
3282 struct genl_info *info,
3283 struct vif_params *params)
3284{
3285 bool change = false;
3286 int err;
3287
3288 if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) {
3289 if (type != NL80211_IFTYPE_MONITOR)
3290 return -EINVAL;
3291
3292 err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS],
3293 &params->flags);
3294 if (err)
3295 return err;
3296
3297 change = true;
3298 }
3299
3300 if (params->flags & MONITOR_FLAG_ACTIVE &&
3301 !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR))
3302 return -EOPNOTSUPP;
3303
3304 if (info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]) {
3305 const u8 *mumimo_groups;
3306 u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER;
3307
3308 if (type != NL80211_IFTYPE_MONITOR)
3309 return -EINVAL;
3310
3311 if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag))
3312 return -EOPNOTSUPP;
3313
3314 mumimo_groups =
3315 nla_data(info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]);
3316
3317 /* bits 0 and 63 are reserved and must be zero */
4954601f
JB		 3318 if ((mumimo_groups[0] & BIT(0)) ||
3319 (mumimo_groups[VHT_MUMIMO_GROUPS_DATA_LEN - 1] & BIT(7)))
1db77596
JB		 3320 return -EINVAL;
3321
3322 params->vht_mumimo_groups = mumimo_groups;
3323 change = true;
3324 }
3325
3326 if (info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]) {
3327 u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER;
3328
3329 if (type != NL80211_IFTYPE_MONITOR)
3330 return -EINVAL;
3331
3332 if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag))
3333 return -EOPNOTSUPP;
3334
3335 params->vht_mumimo_follow_addr =
3336 nla_data(info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]);
3337 change = true;
3338 }
3339
3340 return change ? 1 : 0;
3341}
3342
9bc383de 3343static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev,
ad4bb6f8
JB		 3344 struct net_device *netdev, u8 use_4addr,
3345 enum nl80211_iftype iftype)
9bc383de 3346{
ad4bb6f8 3347 if (!use_4addr) {
f350a0a8 3348 if (netdev && (netdev->priv_flags & IFF_BRIDGE_PORT))
ad4bb6f8 3349 return -EBUSY;
9bc383de 3350 return 0;
ad4bb6f8 3351 }
9bc383de
JB		 3352
3353 switch (iftype) {
3354 case NL80211_IFTYPE_AP_VLAN:
3355 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP)
3356 return 0;
3357 break;
3358 case NL80211_IFTYPE_STATION:
3359 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION)
3360 return 0;
3361 break;
3362 default:
3363 break;
3364 }
3365
3366 return -EOPNOTSUPP;
3367}
3368
55682965
JB		 3369static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
3370{
4c476991 3371 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2ec600d6 3372 struct vif_params params;
e36d56b6 3373 int err;
04a773ad 3374 enum nl80211_iftype otype, ntype;
4c476991 3375 struct net_device *dev = info->user_ptr[1];
ac7f9cfa 3376 bool change = false;
55682965 3377
2ec600d6
LCC		 3378 memset(&params, 0, sizeof(params));
3379
04a773ad 3380 otype = ntype = dev->ieee80211_ptr->iftype;
55682965 3381
723b038d 3382 if (info->attrs[NL80211_ATTR_IFTYPE]) {
ac7f9cfa 3383 ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
04a773ad 3384 if (otype != ntype)
ac7f9cfa 3385 change = true;
723b038d
JB		 3386 }
3387
92ffe055 3388 if (info->attrs[NL80211_ATTR_MESH_ID]) {
29cbe68c
JB		 3389 struct wireless_dev *wdev = dev->ieee80211_ptr;
3390
4c476991
JB		 3391 if (ntype != NL80211_IFTYPE_MESH_POINT)
3392 return -EINVAL;
29cbe68c
JB		 3393 if (netif_running(dev))
3394 return -EBUSY;
3395
3396 wdev_lock(wdev);
3397 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
3398 IEEE80211_MAX_MESH_ID_LEN);
3399 wdev->mesh_id_up_len =
3400 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
3401 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
3402 wdev->mesh_id_up_len);
3403 wdev_unlock(wdev);
2ec600d6
LCC		 3404 }
3405
8b787643
FF		 3406 if (info->attrs[NL80211_ATTR_4ADDR]) {
3407 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
3408 change = true;
ad4bb6f8 3409 err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype);
9bc383de 3410 if (err)
4c476991 3411 return err;
8b787643
FF		 3412 } else {
3413 params.use_4addr = -1;
3414 }
3415
1db77596
JB		 3416 err = nl80211_parse_mon_options(rdev, ntype, info, &params);
3417 if (err < 0)
3418 return err;
3419 if (err > 0)
c6e6a0c8 3420 change = true;
e057d3c3 3421
ac7f9cfa 3422 if (change)
818a986e 3423 err = cfg80211_change_iface(rdev, dev, ntype, &params);
ac7f9cfa
JB		 3424 else
3425 err = 0;
60719ffd 3426
9bc383de
JB		 3427 if (!err && params.use_4addr != -1)
3428 dev->ieee80211_ptr->use_4addr = params.use_4addr;
3429
3d1a5bbf
AZ		 3430 if (change && !err) {
3431 struct wireless_dev *wdev = dev->ieee80211_ptr;
3432
3433 nl80211_notify_iface(rdev, wdev, NL80211_CMD_SET_INTERFACE);
3434 }
3435
55682965
JB		 3436 return err;
3437}
3438
3439static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
3440{
4c476991 3441 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2ec600d6 3442 struct vif_params params;
84efbb84 3443 struct wireless_dev *wdev;
896ff063 3444 struct sk_buff *msg;
55682965
JB		 3445 int err;
3446 enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED;
3447
78f22b6a
JB		 3448 /* to avoid failing a new interface creation due to pending removal */
3449 cfg80211_destroy_ifaces(rdev);
3450
2ec600d6
LCC		 3451 memset(&params, 0, sizeof(params));
3452
55682965
JB		 3453 if (!info->attrs[NL80211_ATTR_IFNAME])
3454 return -EINVAL;
3455
ab0d76f6 3456 if (info->attrs[NL80211_ATTR_IFTYPE])
55682965 3457 type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
55682965 3458
79c97e97 3459 if (!rdev->ops->add_virtual_intf ||
4c476991
JB		 3460 !(rdev->wiphy.interface_modes & (1 << type)))
3461 return -EOPNOTSUPP;
55682965 3462
cb3b7d87 3463 if ((type == NL80211_IFTYPE_P2P_DEVICE || type == NL80211_IFTYPE_NAN ||
e8f479b1
BG		 3464 rdev->wiphy.features & NL80211_FEATURE_MAC_ON_CREATE) &&
3465 info->attrs[NL80211_ATTR_MAC]) {
1c18f145
AS		 3466 nla_memcpy(params.macaddr, info->attrs[NL80211_ATTR_MAC],
3467 ETH_ALEN);
3468 if (!is_valid_ether_addr(params.macaddr))
3469 return -EADDRNOTAVAIL;
3470 }
3471
9bc383de 3472 if (info->attrs[NL80211_ATTR_4ADDR]) {
8b787643 3473 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
ad4bb6f8 3474 err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type);
9bc383de 3475 if (err)
4c476991 3476 return err;
9bc383de 3477 }
8b787643 3478
1db77596
JB		 3479 err = nl80211_parse_mon_options(rdev, type, info, &params);
3480 if (err < 0)
3481 return err;
e057d3c3 3482
a18c7192
JB		 3483 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
3484 if (!msg)
3485 return -ENOMEM;
3486
e35e4d28
HG		 3487 wdev = rdev_add_virtual_intf(rdev,
3488 nla_data(info->attrs[NL80211_ATTR_IFNAME]),
818a986e 3489 NET_NAME_USER, type, &params);
d687cbb7
RM		 3490 if (WARN_ON(!wdev)) {
3491 nlmsg_free(msg);
3492 return -EPROTO;
3493 } else if (IS_ERR(wdev)) {
1c90f9d4 3494 nlmsg_free(msg);
84efbb84 3495 return PTR_ERR(wdev);
1c90f9d4 3496 }
2ec600d6 3497
18e5ca65 3498 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
78f22b6a
JB		 3499 wdev->owner_nlportid = info->snd_portid;
3500
98104fde
JB		 3501 switch (type) {
3502 case NL80211_IFTYPE_MESH_POINT:
3503 if (!info->attrs[NL80211_ATTR_MESH_ID])
3504 break;
29cbe68c
JB		 3505 wdev_lock(wdev);
3506 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
3507 IEEE80211_MAX_MESH_ID_LEN);
3508 wdev->mesh_id_up_len =
3509 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
3510 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
3511 wdev->mesh_id_up_len);
3512 wdev_unlock(wdev);
98104fde 3513 break;
cb3b7d87 3514 case NL80211_IFTYPE_NAN:
98104fde
JB		 3515 case NL80211_IFTYPE_P2P_DEVICE:
3516 /*
cb3b7d87 3517 * P2P Device and NAN do not have a netdev, so don't go
98104fde
JB		 3518 * through the netdev notifier and must be added here
3519 */
e4d4216e 3520 cfg80211_init_wdev(rdev, wdev);
98104fde
JB		 3521 break;
3522 default:
3523 break;
29cbe68c
JB		 3524 }
3525
15e47304 3526 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
3d1a5bbf 3527 rdev, wdev, NL80211_CMD_NEW_INTERFACE) < 0) {
1c90f9d4
JB		 3528 nlmsg_free(msg);
3529 return -ENOBUFS;
3530 }
3531
3532 return genlmsg_reply(msg, info);
55682965
JB		 3533}
3534
3535static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info)
3536{
4c476991 3537 struct cfg80211_registered_device *rdev = info->user_ptr[0];
84efbb84 3538 struct wireless_dev *wdev = info->user_ptr[1];
55682965 3539
4c476991
JB		 3540 if (!rdev->ops->del_virtual_intf)
3541 return -EOPNOTSUPP;
55682965 3542
84efbb84
JB		 3543 /*
3544 * If we remove a wireless device without a netdev then clear
3545 * user_ptr[1] so that nl80211_post_doit won't dereference it
3546 * to check if it needs to do dev_put(). Otherwise it crashes
3547 * since the wdev has been freed, unlike with a netdev where
3548 * we need the dev_put() for the netdev to really be freed.
3549 */
3550 if (!wdev->netdev)
3551 info->user_ptr[1] = NULL;
3552
7f8ed01e 3553 return rdev_del_virtual_intf(rdev, wdev);
55682965
JB		 3554}
3555
1d9d9213
SW		 3556static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info)
3557{
3558 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3559 struct net_device *dev = info->user_ptr[1];
3560 u16 noack_map;
3561
3562 if (!info->attrs[NL80211_ATTR_NOACK_MAP])
3563 return -EINVAL;
3564
3565 if (!rdev->ops->set_noack_map)
3566 return -EOPNOTSUPP;
3567
3568 noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]);
3569
e35e4d28 3570 return rdev_set_noack_map(rdev, dev, noack_map);
1d9d9213
SW		 3571}
3572
41ade00f
JB		 3573struct get_key_cookie {
3574 struct sk_buff *msg;
3575 int error;
b9454e83 3576 int idx;
41ade00f
JB		 3577};
3578
3579static void get_key_callback(void *c, struct key_params *params)
3580{
b9454e83 3581 struct nlattr *key;
41ade00f
JB		 3582 struct get_key_cookie *cookie = c;
3583
9360ffd1
DM		 3584 if ((params->key &&
3585 nla_put(cookie->msg, NL80211_ATTR_KEY_DATA,
3586 params->key_len, params->key)) ||
3587 (params->seq &&
3588 nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ,
3589 params->seq_len, params->seq)) ||
3590 (params->cipher &&
3591 nla_put_u32(cookie->msg, NL80211_ATTR_KEY_CIPHER,
3592 params->cipher)))
3593 goto nla_put_failure;
41ade00f 3594
ae0be8de 3595 key = nla_nest_start_noflag(cookie->msg, NL80211_ATTR_KEY);
b9454e83
JB		 3596 if (!key)
3597 goto nla_put_failure;
3598
9360ffd1
DM		 3599 if ((params->key &&
3600 nla_put(cookie->msg, NL80211_KEY_DATA,
3601 params->key_len, params->key)) ||
3602 (params->seq &&
3603 nla_put(cookie->msg, NL80211_KEY_SEQ,
3604 params->seq_len, params->seq)) ||
3605 (params->cipher &&
3606 nla_put_u32(cookie->msg, NL80211_KEY_CIPHER,
3607 params->cipher)))
3608 goto nla_put_failure;
b9454e83 3609
efdfce72 3610 if (nla_put_u8(cookie->msg, NL80211_KEY_IDX, cookie->idx))
9360ffd1 3611 goto nla_put_failure;
b9454e83
JB		 3612
3613 nla_nest_end(cookie->msg, key);
3614
41ade00f
JB		 3615 return;
3616 nla_put_failure:
3617 cookie->error = 1;
3618}
3619
3620static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info)
3621{
4c476991 3622 struct cfg80211_registered_device *rdev = info->user_ptr[0];
41ade00f 3623 int err;
4c476991 3624 struct net_device *dev = info->user_ptr[1];
41ade00f 3625 u8 key_idx = 0;
e31b8213
JB		 3626 const u8 *mac_addr = NULL;
3627 bool pairwise;
41ade00f
JB		 3628 struct get_key_cookie cookie = {
3629 .error = 0,
3630 };
3631 void *hdr;
3632 struct sk_buff *msg;
3633
3634 if (info->attrs[NL80211_ATTR_KEY_IDX])
3635 key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
3636
41ade00f
JB		 3637 if (info->attrs[NL80211_ATTR_MAC])
3638 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3639
e31b8213
JB		 3640 pairwise = !!mac_addr;
3641 if (info->attrs[NL80211_ATTR_KEY_TYPE]) {
3642 u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
7a087e74 3643
e31b8213
JB		 3644 if (kt != NL80211_KEYTYPE_GROUP &&
3645 kt != NL80211_KEYTYPE_PAIRWISE)
3646 return -EINVAL;
3647 pairwise = kt == NL80211_KEYTYPE_PAIRWISE;
3648 }
3649
4c476991
JB		 3650 if (!rdev->ops->get_key)
3651 return -EOPNOTSUPP;
41ade00f 3652
0fa7b391
JB		 3653 if (!pairwise && mac_addr && !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
3654 return -ENOENT;
3655
fd2120ca 3656 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4c476991
JB		 3657 if (!msg)
3658 return -ENOMEM;
41ade00f 3659
15e47304 3660 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
41ade00f 3661 NL80211_CMD_NEW_KEY);
cb35fba3 3662 if (!hdr)
9fe271af 3663 goto nla_put_failure;
41ade00f
JB		 3664
3665 cookie.msg = msg;
b9454e83 3666 cookie.idx = key_idx;
41ade00f 3667
9360ffd1
DM		 3668 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
3669 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx))
3670 goto nla_put_failure;
3671 if (mac_addr &&
3672 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr))
3673 goto nla_put_failure;
41ade00f 3674
e35e4d28
HG		 3675 err = rdev_get_key(rdev, dev, key_idx, pairwise, mac_addr, &cookie,
3676 get_key_callback);
41ade00f
JB		 3677
3678 if (err)
6c95e2a2 3679 goto free_msg;
41ade00f
JB		 3680
3681 if (cookie.error)
3682 goto nla_put_failure;
3683
3684 genlmsg_end(msg, hdr);
4c476991 3685 return genlmsg_reply(msg, info);
41ade00f
JB		 3686
3687 nla_put_failure:
3688 err = -ENOBUFS;
6c95e2a2 3689 free_msg:
41ade00f 3690 nlmsg_free(msg);
41ade00f
JB		 3691 return err;
3692}
3693
3694static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info)
3695{
4c476991 3696 struct cfg80211_registered_device *rdev = info->user_ptr[0];
b9454e83 3697 struct key_parse key;
41ade00f 3698 int err;
4c476991 3699 struct net_device *dev = info->user_ptr[1];
41ade00f 3700
b9454e83
JB		 3701 err = nl80211_parse_key(info, &key);
3702 if (err)
3703 return err;
41ade00f 3704
b9454e83 3705 if (key.idx < 0)
41ade00f
JB		 3706 return -EINVAL;
3707
6cdd3979
AW		 3708 /* Only support setting default key and
3709 * Extended Key ID action NL80211_KEY_SET_TX.
3710 */
3711 if (!key.def && !key.defmgmt &&
3712 !(key.p.mode == NL80211_KEY_SET_TX))
41ade00f
JB		 3713 return -EINVAL;
3714
dbd2fd65 3715 wdev_lock(dev->ieee80211_ptr);
3cfcf6ac 3716
dbd2fd65
JB		 3717 if (key.def) {
3718 if (!rdev->ops->set_default_key) {
3719 err = -EOPNOTSUPP;
3720 goto out;
3721 }
41ade00f 3722
dbd2fd65
JB		 3723 err = nl80211_key_allowed(dev->ieee80211_ptr);
3724 if (err)
3725 goto out;
3726
e35e4d28 3727 err = rdev_set_default_key(rdev, dev, key.idx,
dbd2fd65
JB		 3728 key.def_uni, key.def_multi);
3729
3730 if (err)
3731 goto out;
fffd0934 3732
3d23e349 3733#ifdef CONFIG_CFG80211_WEXT
dbd2fd65
JB		 3734 dev->ieee80211_ptr->wext.default_key = key.idx;
3735#endif
6cdd3979 3736 } else if (key.defmgmt) {
dbd2fd65
JB		 3737 if (key.def_uni || !key.def_multi) {
3738 err = -EINVAL;
3739 goto out;
3740 }
3741
3742 if (!rdev->ops->set_default_mgmt_key) {
3743 err = -EOPNOTSUPP;
3744 goto out;
3745 }
3746
3747 err = nl80211_key_allowed(dev->ieee80211_ptr);
3748 if (err)
3749 goto out;
3750
e35e4d28 3751 err = rdev_set_default_mgmt_key(rdev, dev, key.idx);
dbd2fd65
JB		 3752 if (err)
3753 goto out;
3754
3755#ifdef CONFIG_CFG80211_WEXT
3756 dev->ieee80211_ptr->wext.default_mgmt_key = key.idx;
08645126 3757#endif
6cdd3979
AW		 3758 } else if (key.p.mode == NL80211_KEY_SET_TX &&
3759 wiphy_ext_feature_isset(&rdev->wiphy,
3760 NL80211_EXT_FEATURE_EXT_KEY_ID)) {
3761 u8 *mac_addr = NULL;
3762
3763 if (info->attrs[NL80211_ATTR_MAC])
3764 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3765
3766 if (!mac_addr || key.idx < 0 || key.idx > 1) {
3767 err = -EINVAL;
3768 goto out;
3769 }
dbd2fd65 3770
6cdd3979
AW		 3771 err = rdev_add_key(rdev, dev, key.idx,
3772 NL80211_KEYTYPE_PAIRWISE,
3773 mac_addr, &key.p);
3774 } else {
3775 err = -EINVAL;
3776 }
dbd2fd65 3777 out:
fffd0934 3778 wdev_unlock(dev->ieee80211_ptr);
41ade00f 3779
41ade00f
JB		 3780 return err;
3781}
3782
3783static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info)
3784{
4c476991 3785 struct cfg80211_registered_device *rdev = info->user_ptr[0];
fffd0934 3786 int err;
4c476991 3787 struct net_device *dev = info->user_ptr[1];
b9454e83 3788 struct key_parse key;
e31b8213 3789 const u8 *mac_addr = NULL;
41ade00f 3790
b9454e83
JB		 3791 err = nl80211_parse_key(info, &key);
3792 if (err)
3793 return err;
41ade00f 3794
b9454e83 3795 if (!key.p.key)
41ade00f
JB		 3796 return -EINVAL;
3797
41ade00f
JB		 3798 if (info->attrs[NL80211_ATTR_MAC])
3799 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3800
e31b8213
JB		 3801 if (key.type == -1) {
3802 if (mac_addr)
3803 key.type = NL80211_KEYTYPE_PAIRWISE;
3804 else
3805 key.type = NL80211_KEYTYPE_GROUP;
3806 }
3807
3808 /* for now */
3809 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
3810 key.type != NL80211_KEYTYPE_GROUP)
3811 return -EINVAL;
3812
4c476991
JB		 3813 if (!rdev->ops->add_key)
3814 return -EOPNOTSUPP;
25e47c18 3815
e31b8213
JB		 3816 if (cfg80211_validate_key_settings(rdev, &key.p, key.idx,
3817 key.type == NL80211_KEYTYPE_PAIRWISE,
3818 mac_addr))
4c476991 3819 return -EINVAL;
41ade00f 3820
fffd0934
JB		 3821 wdev_lock(dev->ieee80211_ptr);
3822 err = nl80211_key_allowed(dev->ieee80211_ptr);
3823 if (!err)
e35e4d28
HG		 3824 err = rdev_add_key(rdev, dev, key.idx,
3825 key.type == NL80211_KEYTYPE_PAIRWISE,
3826 mac_addr, &key.p);
fffd0934 3827 wdev_unlock(dev->ieee80211_ptr);
41ade00f 3828
41ade00f
JB		 3829 return err;
3830}
3831
3832static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
3833{
4c476991 3834 struct cfg80211_registered_device *rdev = info->user_ptr[0];
41ade00f 3835 int err;
4c476991 3836 struct net_device *dev = info->user_ptr[1];
41ade00f 3837 u8 *mac_addr = NULL;
b9454e83 3838 struct key_parse key;
41ade00f 3839
b9454e83
JB		 3840 err = nl80211_parse_key(info, &key);
3841 if (err)
3842 return err;
41ade00f
JB		 3843
3844 if (info->attrs[NL80211_ATTR_MAC])
3845 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3846
e31b8213
JB		 3847 if (key.type == -1) {
3848 if (mac_addr)
3849 key.type = NL80211_KEYTYPE_PAIRWISE;
3850 else
3851 key.type = NL80211_KEYTYPE_GROUP;
3852 }
3853
3854 /* for now */
3855 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
3856 key.type != NL80211_KEYTYPE_GROUP)
3857 return -EINVAL;
3858
4c476991
JB		 3859 if (!rdev->ops->del_key)
3860 return -EOPNOTSUPP;
41ade00f 3861
fffd0934
JB		 3862 wdev_lock(dev->ieee80211_ptr);
3863 err = nl80211_key_allowed(dev->ieee80211_ptr);
e31b8213 3864
0fa7b391 3865 if (key.type == NL80211_KEYTYPE_GROUP && mac_addr &&
e31b8213
JB		 3866 !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
3867 err = -ENOENT;
3868
fffd0934 3869 if (!err)
e35e4d28
HG		 3870 err = rdev_del_key(rdev, dev, key.idx,
3871 key.type == NL80211_KEYTYPE_PAIRWISE,
3872 mac_addr);
41ade00f 3873
3d23e349 3874#ifdef CONFIG_CFG80211_WEXT
08645126 3875 if (!err) {
b9454e83 3876 if (key.idx == dev->ieee80211_ptr->wext.default_key)
08645126 3877 dev->ieee80211_ptr->wext.default_key = -1;
b9454e83 3878 else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key)
08645126
JB		 3879 dev->ieee80211_ptr->wext.default_mgmt_key = -1;
3880 }
3881#endif
fffd0934 3882 wdev_unlock(dev->ieee80211_ptr);
08645126 3883
41ade00f
JB		 3884 return err;
3885}
3886
77765eaf
VT		 3887/* This function returns an error or the number of nested attributes */
3888static int validate_acl_mac_addrs(struct nlattr *nl_attr)
3889{
3890 struct nlattr *attr;
3891 int n_entries = 0, tmp;
3892
3893 nla_for_each_nested(attr, nl_attr, tmp) {
3894 if (nla_len(attr) != ETH_ALEN)
3895 return -EINVAL;
3896
3897 n_entries++;
3898 }
3899
3900 return n_entries;
3901}
3902
3903/*
3904 * This function parses ACL information and allocates memory for ACL data.
3905 * On successful return, the calling function is responsible to free the
3906 * ACL buffer returned by this function.
3907 */
3908static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy,
3909 struct genl_info *info)
3910{
3911 enum nl80211_acl_policy acl_policy;
3912 struct nlattr *attr;
3913 struct cfg80211_acl_data *acl;
3914 int i = 0, n_entries, tmp;
3915
3916 if (!wiphy->max_acl_mac_addrs)
3917 return ERR_PTR(-EOPNOTSUPP);
3918
3919 if (!info->attrs[NL80211_ATTR_ACL_POLICY])
3920 return ERR_PTR(-EINVAL);
3921
3922 acl_policy = nla_get_u32(info->attrs[NL80211_ATTR_ACL_POLICY]);
3923 if (acl_policy != NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED &&
3924 acl_policy != NL80211_ACL_POLICY_DENY_UNLESS_LISTED)
3925 return ERR_PTR(-EINVAL);
3926
3927 if (!info->attrs[NL80211_ATTR_MAC_ADDRS])
3928 return ERR_PTR(-EINVAL);
3929
3930 n_entries = validate_acl_mac_addrs(info->attrs[NL80211_ATTR_MAC_ADDRS]);
3931 if (n_entries < 0)
3932 return ERR_PTR(n_entries);
3933
3934 if (n_entries > wiphy->max_acl_mac_addrs)
3935 return ERR_PTR(-ENOTSUPP);
3936
391d132c 3937 acl = kzalloc(struct_size(acl, mac_addrs, n_entries), GFP_KERNEL);
77765eaf
VT		 3938 if (!acl)
3939 return ERR_PTR(-ENOMEM);
3940
3941 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_MAC_ADDRS], tmp) {
3942 memcpy(acl->mac_addrs[i].addr, nla_data(attr), ETH_ALEN);
3943 i++;
3944 }
3945
3946 acl->n_acl_entries = n_entries;
3947 acl->acl_policy = acl_policy;
3948
3949 return acl;
3950}
3951
3952static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info)
3953{
3954 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3955 struct net_device *dev = info->user_ptr[1];
3956 struct cfg80211_acl_data *acl;
3957 int err;
3958
3959 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
3960 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
3961 return -EOPNOTSUPP;
3962
3963 if (!dev->ieee80211_ptr->beacon_interval)
3964 return -EINVAL;
3965
3966 acl = parse_acl_data(&rdev->wiphy, info);
3967 if (IS_ERR(acl))
3968 return PTR_ERR(acl);
3969
3970 err = rdev_set_mac_acl(rdev, dev, acl);
3971
3972 kfree(acl);
3973
3974 return err;
3975}
3976
a7c7fbff
PK		 3977static u32 rateset_to_mask(struct ieee80211_supported_band *sband,
3978 u8 *rates, u8 rates_len)
3979{
3980 u8 i;
3981 u32 mask = 0;
3982
3983 for (i = 0; i < rates_len; i++) {
3984 int rate = (rates[i] & 0x7f) * 5;
3985 int ridx;
3986
3987 for (ridx = 0; ridx < sband->n_bitrates; ridx++) {
3988 struct ieee80211_rate *srate =
3989 &sband->bitrates[ridx];
3990 if (rate == srate->bitrate) {
3991 mask |= 1 << ridx;
3992 break;
3993 }
3994 }
3995 if (ridx == sband->n_bitrates)
3996 return 0; /* rate not found */
3997 }
3998
3999 return mask;
4000}
4001
4002static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband,
4003 u8 *rates, u8 rates_len,
4004 u8 mcs[IEEE80211_HT_MCS_MASK_LEN])
4005{
4006 u8 i;
4007
4008 memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN);
4009
4010 for (i = 0; i < rates_len; i++) {
4011 int ridx, rbit;
4012
4013 ridx = rates[i] / 8;
4014 rbit = BIT(rates[i] % 8);
4015
4016 /* check validity */
4017 if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN))
4018 return false;
4019
4020 /* check availability */
30fe6d50 4021 ridx = array_index_nospec(ridx, IEEE80211_HT_MCS_MASK_LEN);
a7c7fbff
PK		 4022 if (sband->ht_cap.mcs.rx_mask[ridx] & rbit)
4023 mcs[ridx] |= rbit;
4024 else
4025 return false;
4026 }
4027
4028 return true;
4029}
4030
4031static u16 vht_mcs_map_to_mcs_mask(u8 vht_mcs_map)
4032{
4033 u16 mcs_mask = 0;
4034
4035 switch (vht_mcs_map) {
4036 case IEEE80211_VHT_MCS_NOT_SUPPORTED:
4037 break;
4038 case IEEE80211_VHT_MCS_SUPPORT_0_7:
4039 mcs_mask = 0x00FF;
4040 break;
4041 case IEEE80211_VHT_MCS_SUPPORT_0_8:
4042 mcs_mask = 0x01FF;
4043 break;
4044 case IEEE80211_VHT_MCS_SUPPORT_0_9:
4045 mcs_mask = 0x03FF;
4046 break;
4047 default:
4048 break;
4049 }
4050
4051 return mcs_mask;
4052}
4053
4054static void vht_build_mcs_mask(u16 vht_mcs_map,
4055 u16 vht_mcs_mask[NL80211_VHT_NSS_MAX])
4056{
4057 u8 nss;
4058
4059 for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) {
4060 vht_mcs_mask[nss] = vht_mcs_map_to_mcs_mask(vht_mcs_map & 0x03);
4061 vht_mcs_map >>= 2;
4062 }
4063}
4064
4065static bool vht_set_mcs_mask(struct ieee80211_supported_band *sband,
4066 struct nl80211_txrate_vht *txrate,
4067 u16 mcs[NL80211_VHT_NSS_MAX])
4068{
4069 u16 tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
4070 u16 tx_mcs_mask[NL80211_VHT_NSS_MAX] = {};
4071 u8 i;
4072
4073 if (!sband->vht_cap.vht_supported)
4074 return false;
4075
4076 memset(mcs, 0, sizeof(u16) * NL80211_VHT_NSS_MAX);
4077
4078 /* Build vht_mcs_mask from VHT capabilities */
4079 vht_build_mcs_mask(tx_mcs_map, tx_mcs_mask);
4080
4081 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
4082 if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i])
4083 mcs[i] = txrate->mcs[i];
4084 else
4085 return false;
4086 }
4087
4088 return true;
4089}
4090
4091static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = {
4092 [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY,
4093 .len = NL80211_MAX_SUPP_RATES },
4094 [NL80211_TXRATE_HT] = { .type = NLA_BINARY,
4095 .len = NL80211_MAX_SUPP_HT_RATES },
1a28ed21 4096 [NL80211_TXRATE_VHT] = { .type = NLA_EXACT_LEN_WARN, .len = sizeof(struct nl80211_txrate_vht)},
a7c7fbff
PK		 4097 [NL80211_TXRATE_GI] = { .type = NLA_U8 },
4098};
4099
4100static int nl80211_parse_tx_bitrate_mask(struct genl_info *info,
4101 struct cfg80211_bitrate_mask *mask)
4102{
4103 struct nlattr *tb[NL80211_TXRATE_MAX + 1];
4104 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4105 int rem, i;
4106 struct nlattr *tx_rates;
4107 struct ieee80211_supported_band *sband;
4108 u16 vht_tx_mcs_map;
4109
4110 memset(mask, 0, sizeof(*mask));
4111 /* Default to all rates enabled */
4112 for (i = 0; i < NUM_NL80211_BANDS; i++) {
4113 sband = rdev->wiphy.bands[i];
4114
4115 if (!sband)
4116 continue;
4117
4118 mask->control[i].legacy = (1 << sband->n_bitrates) - 1;
4119 memcpy(mask->control[i].ht_mcs,
4120 sband->ht_cap.mcs.rx_mask,
4121 sizeof(mask->control[i].ht_mcs));
4122
4123 if (!sband->vht_cap.vht_supported)
4124 continue;
4125
4126 vht_tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
4127 vht_build_mcs_mask(vht_tx_mcs_map, mask->control[i].vht_mcs);
4128 }
4129
4130 /* if no rates are given set it back to the defaults */
4131 if (!info->attrs[NL80211_ATTR_TX_RATES])
4132 goto out;
4133
4134 /* The nested attribute uses enum nl80211_band as the index. This maps
4135 * directly to the enum nl80211_band values used in cfg80211.
4136 */
4137 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8);
4138 nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem) {
4139 enum nl80211_band band = nla_type(tx_rates);
4140 int err;
4141
4142 if (band < 0 || band >= NUM_NL80211_BANDS)
4143 return -EINVAL;
4144 sband = rdev->wiphy.bands[band];
4145 if (sband == NULL)
4146 return -EINVAL;
8cb08174
JB		 4147 err = nla_parse_nested_deprecated(tb, NL80211_TXRATE_MAX,
4148 tx_rates,
4149 nl80211_txattr_policy,
4150 info->extack);
a7c7fbff
PK		 4151 if (err)
4152 return err;
4153 if (tb[NL80211_TXRATE_LEGACY]) {
4154 mask->control[band].legacy = rateset_to_mask(
4155 sband,
4156 nla_data(tb[NL80211_TXRATE_LEGACY]),
4157 nla_len(tb[NL80211_TXRATE_LEGACY]));
4158 if ((mask->control[band].legacy == 0) &&
4159 nla_len(tb[NL80211_TXRATE_LEGACY]))
4160 return -EINVAL;
4161 }
4162 if (tb[NL80211_TXRATE_HT]) {
4163 if (!ht_rateset_to_mask(
4164 sband,
4165 nla_data(tb[NL80211_TXRATE_HT]),
4166 nla_len(tb[NL80211_TXRATE_HT]),
4167 mask->control[band].ht_mcs))
4168 return -EINVAL;
4169 }
4170 if (tb[NL80211_TXRATE_VHT]) {
4171 if (!vht_set_mcs_mask(
4172 sband,
4173 nla_data(tb[NL80211_TXRATE_VHT]),
4174 mask->control[band].vht_mcs))
4175 return -EINVAL;
4176 }
4177 if (tb[NL80211_TXRATE_GI]) {
4178 mask->control[band].gi =
4179 nla_get_u8(tb[NL80211_TXRATE_GI]);
4180 if (mask->control[band].gi > NL80211_TXRATE_FORCE_LGI)
4181 return -EINVAL;
4182 }
4183
4184 if (mask->control[band].legacy == 0) {
4185 /* don't allow empty legacy rates if HT or VHT
4186 * are not even supported.
4187 */
4188 if (!(rdev->wiphy.bands[band]->ht_cap.ht_supported ||
4189 rdev->wiphy.bands[band]->vht_cap.vht_supported))
4190 return -EINVAL;
4191
4192 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
4193 if (mask->control[band].ht_mcs[i])
4194 goto out;
4195
4196 for (i = 0; i < NL80211_VHT_NSS_MAX; i++)
4197 if (mask->control[band].vht_mcs[i])
4198 goto out;
4199
4200 /* legacy and mcs rates may not be both empty */
4201 return -EINVAL;
4202 }
4203 }
4204
4205out:
4206 return 0;
4207}
4208
8564e382
JB		 4209static int validate_beacon_tx_rate(struct cfg80211_registered_device *rdev,
4210 enum nl80211_band band,
4211 struct cfg80211_bitrate_mask *beacon_rate)
a7c7fbff 4212{
8564e382
JB		 4213 u32 count_ht, count_vht, i;
4214 u32 rate = beacon_rate->control[band].legacy;
a7c7fbff
PK		 4215
4216 /* Allow only one rate */
4217 if (hweight32(rate) > 1)
4218 return -EINVAL;
4219
4220 count_ht = 0;
4221 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) {
8564e382 4222 if (hweight8(beacon_rate->control[band].ht_mcs[i]) > 1) {
a7c7fbff 4223 return -EINVAL;
8564e382 4224 } else if (beacon_rate->control[band].ht_mcs[i]) {
a7c7fbff
PK		 4225 count_ht++;
4226 if (count_ht > 1)
4227 return -EINVAL;
4228 }
4229 if (count_ht && rate)
4230 return -EINVAL;
4231 }
4232
4233 count_vht = 0;
4234 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
8564e382 4235 if (hweight16(beacon_rate->control[band].vht_mcs[i]) > 1) {
a7c7fbff 4236 return -EINVAL;
8564e382 4237 } else if (beacon_rate->control[band].vht_mcs[i]) {
a7c7fbff
PK		 4238 count_vht++;
4239 if (count_vht > 1)
4240 return -EINVAL;
4241 }
4242 if (count_vht && rate)
4243 return -EINVAL;
4244 }
4245
4246 if ((count_ht && count_vht) || (!rate && !count_ht && !count_vht))
4247 return -EINVAL;
4248
8564e382
JB		 4249 if (rate &&
4250 !wiphy_ext_feature_isset(&rdev->wiphy,
4251 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY))
4252 return -EINVAL;
4253 if (count_ht &&
4254 !wiphy_ext_feature_isset(&rdev->wiphy,
4255 NL80211_EXT_FEATURE_BEACON_RATE_HT))
4256 return -EINVAL;
4257 if (count_vht &&
4258 !wiphy_ext_feature_isset(&rdev->wiphy,
4259 NL80211_EXT_FEATURE_BEACON_RATE_VHT))
4260 return -EINVAL;
4261
a7c7fbff
PK		 4262 return 0;
4263}
4264
81e54d08
PKC		 4265static int nl80211_parse_beacon(struct cfg80211_registered_device *rdev,
4266 struct nlattr *attrs[],
8860020e 4267 struct cfg80211_beacon_data *bcn)
ed1b6cc7 4268{
8860020e 4269 bool haveinfo = false;
81e54d08 4270 int err;
ed1b6cc7 4271
8860020e 4272 memset(bcn, 0, sizeof(*bcn));
ed1b6cc7 4273
a1193be8
SW		 4274 if (attrs[NL80211_ATTR_BEACON_HEAD]) {
4275 bcn->head = nla_data(attrs[NL80211_ATTR_BEACON_HEAD]);
4276 bcn->head_len = nla_len(attrs[NL80211_ATTR_BEACON_HEAD]);
8860020e
JB		 4277 if (!bcn->head_len)
4278 return -EINVAL;
4279 haveinfo = true;
ed1b6cc7
JB		 4280 }
4281
a1193be8
SW		 4282 if (attrs[NL80211_ATTR_BEACON_TAIL]) {
4283 bcn->tail = nla_data(attrs[NL80211_ATTR_BEACON_TAIL]);
4284 bcn->tail_len = nla_len(attrs[NL80211_ATTR_BEACON_TAIL]);
8860020e 4285 haveinfo = true;
ed1b6cc7
JB		 4286 }
4287
4c476991
JB		 4288 if (!haveinfo)
4289 return -EINVAL;
3b85875a 4290
a1193be8
SW		 4291 if (attrs[NL80211_ATTR_IE]) {
4292 bcn->beacon_ies = nla_data(attrs[NL80211_ATTR_IE]);
4293 bcn->beacon_ies_len = nla_len(attrs[NL80211_ATTR_IE]);
9946ecfb
JM		 4294 }
4295
a1193be8 4296 if (attrs[NL80211_ATTR_IE_PROBE_RESP]) {
8860020e 4297 bcn->proberesp_ies =
a1193be8 4298 nla_data(attrs[NL80211_ATTR_IE_PROBE_RESP]);
8860020e 4299 bcn->proberesp_ies_len =
a1193be8 4300 nla_len(attrs[NL80211_ATTR_IE_PROBE_RESP]);
9946ecfb
JM		 4301 }
4302
a1193be8 4303 if (attrs[NL80211_ATTR_IE_ASSOC_RESP]) {
8860020e 4304 bcn->assocresp_ies =
a1193be8 4305 nla_data(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
8860020e 4306 bcn->assocresp_ies_len =
a1193be8 4307 nla_len(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
9946ecfb
JM		 4308 }
4309
a1193be8
SW		 4310 if (attrs[NL80211_ATTR_PROBE_RESP]) {
4311 bcn->probe_resp = nla_data(attrs[NL80211_ATTR_PROBE_RESP]);
4312 bcn->probe_resp_len = nla_len(attrs[NL80211_ATTR_PROBE_RESP]);
00f740e1
AN		 4313 }
4314
81e54d08
PKC		 4315 if (attrs[NL80211_ATTR_FTM_RESPONDER]) {
4316 struct nlattr *tb[NL80211_FTM_RESP_ATTR_MAX + 1];
4317
8cb08174
JB		 4318 err = nla_parse_nested_deprecated(tb,
4319 NL80211_FTM_RESP_ATTR_MAX,
4320 attrs[NL80211_ATTR_FTM_RESPONDER],
4321 NULL, NULL);
81e54d08
PKC		 4322 if (err)
4323 return err;
4324
4325 if (tb[NL80211_FTM_RESP_ATTR_ENABLED] &&
4326 wiphy_ext_feature_isset(&rdev->wiphy,
4327 NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER))
4328 bcn->ftm_responder = 1;
4329 else
4330 return -EOPNOTSUPP;
4331
4332 if (tb[NL80211_FTM_RESP_ATTR_LCI]) {
4333 bcn->lci = nla_data(tb[NL80211_FTM_RESP_ATTR_LCI]);
4334 bcn->lci_len = nla_len(tb[NL80211_FTM_RESP_ATTR_LCI]);
4335 }
4336
4337 if (tb[NL80211_FTM_RESP_ATTR_CIVICLOC]) {
4338 bcn->civicloc = nla_data(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]);
4339 bcn->civicloc_len = nla_len(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]);
4340 }
4341 } else {
4342 bcn->ftm_responder = -1;
4343 }
4344
8860020e
JB		 4345 return 0;
4346}
4347
66cd794e
JB		 4348static void nl80211_check_ap_rate_selectors(struct cfg80211_ap_settings *params,
4349 const u8 *rates)
4350{
4351 int i;
4352
4353 if (!rates)
4354 return;
4355
4356 for (i = 0; i < rates[1]; i++) {
4357 if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_HT_PHY)
4358 params->ht_required = true;
4359 if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_VHT_PHY)
4360 params->vht_required = true;
4361 }
4362}
4363
4364/*
4365 * Since the nl80211 API didn't include, from the beginning, attributes about
4366 * HT/VHT requirements/capabilities, we parse them out of the IEs for the
4367 * benefit of drivers that rebuild IEs in the firmware.
4368 */
4369static void nl80211_calculate_ap_params(struct cfg80211_ap_settings *params)
4370{
4371 const struct cfg80211_beacon_data *bcn = &params->beacon;
ba83bfb1
IM		 4372 size_t ies_len = bcn->tail_len;
4373 const u8 *ies = bcn->tail;
66cd794e
JB		 4374 const u8 *rates;
4375 const u8 *cap;
4376
4377 rates = cfg80211_find_ie(WLAN_EID_SUPP_RATES, ies, ies_len);
4378 nl80211_check_ap_rate_selectors(params, rates);
4379
4380 rates = cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES, ies, ies_len);
4381 nl80211_check_ap_rate_selectors(params, rates);
4382
4383 cap = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, ies, ies_len);
4384 if (cap && cap[1] >= sizeof(*params->ht_cap))
4385 params->ht_cap = (void *)(cap + 2);
4386 cap = cfg80211_find_ie(WLAN_EID_VHT_CAPABILITY, ies, ies_len);
4387 if (cap && cap[1] >= sizeof(*params->vht_cap))
4388 params->vht_cap = (void *)(cap + 2);
244eb9ae
ST		 4389 cap = cfg80211_find_ext_ie(WLAN_EID_EXT_HE_CAPABILITY, ies, ies_len);
4390 if (cap && cap[1] >= sizeof(*params->he_cap) + 1)
4391 params->he_cap = (void *)(cap + 3);
66cd794e
JB		 4392}
4393
46c1dd0c
FF		 4394static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev,
4395 struct cfg80211_ap_settings *params)
4396{
4397 struct wireless_dev *wdev;
4398 bool ret = false;
4399
53873f13 4400 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
46c1dd0c
FF		 4401 if (wdev->iftype != NL80211_IFTYPE_AP &&
4402 wdev->iftype != NL80211_IFTYPE_P2P_GO)
4403 continue;
4404
683b6d3b 4405 if (!wdev->preset_chandef.chan)
46c1dd0c
FF		 4406 continue;
4407
683b6d3b 4408 params->chandef = wdev->preset_chandef;
46c1dd0c
FF		 4409 ret = true;
4410 break;
4411 }
4412
46c1dd0c
FF		 4413 return ret;
4414}
4415
e39e5b5e
JM		 4416static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev,
4417 enum nl80211_auth_type auth_type,
4418 enum nl80211_commands cmd)
4419{
4420 if (auth_type > NL80211_AUTHTYPE_MAX)
4421 return false;
4422
4423 switch (cmd) {
4424 case NL80211_CMD_AUTHENTICATE:
4425 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
4426 auth_type == NL80211_AUTHTYPE_SAE)
4427 return false;
63181060
JM		 4428 if (!wiphy_ext_feature_isset(&rdev->wiphy,
4429 NL80211_EXT_FEATURE_FILS_STA) &&
4430 (auth_type == NL80211_AUTHTYPE_FILS_SK ||
4431 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
4432 auth_type == NL80211_AUTHTYPE_FILS_PK))
4433 return false;
e39e5b5e
JM		 4434 return true;
4435 case NL80211_CMD_CONNECT:
10773a7c
SD		 4436 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
4437 auth_type == NL80211_AUTHTYPE_SAE)
a3caf744 4438 return false;
10773a7c 4439
a3caf744
VK		 4440 /* FILS with SK PFS or PK not supported yet */
4441 if (auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
4442 auth_type == NL80211_AUTHTYPE_FILS_PK)
4443 return false;
4444 if (!wiphy_ext_feature_isset(
4445 &rdev->wiphy,
4446 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) &&
4447 auth_type == NL80211_AUTHTYPE_FILS_SK)
4448 return false;
4449 return true;
e39e5b5e
JM		 4450 case NL80211_CMD_START_AP:
4451 /* SAE not supported yet */
4452 if (auth_type == NL80211_AUTHTYPE_SAE)
4453 return false;
63181060
JM		 4454 /* FILS not supported yet */
4455 if (auth_type == NL80211_AUTHTYPE_FILS_SK ||
4456 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
4457 auth_type == NL80211_AUTHTYPE_FILS_PK)
4458 return false;
e39e5b5e
JM		 4459 return true;
4460 default:
4461 return false;
4462 }
4463}
4464
8860020e
JB		 4465static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
4466{
4467 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4468 struct net_device *dev = info->user_ptr[1];
4469 struct wireless_dev *wdev = dev->ieee80211_ptr;
4470 struct cfg80211_ap_settings params;
4471 int err;
4472
4473 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4474 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4475 return -EOPNOTSUPP;
4476
4477 if (!rdev->ops->start_ap)
4478 return -EOPNOTSUPP;
4479
4480 if (wdev->beacon_interval)
4481 return -EALREADY;
4482
4483 memset(&params, 0, sizeof(params));
4484
4485 /* these are required for START_AP */
4486 if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] ||
4487 !info->attrs[NL80211_ATTR_DTIM_PERIOD] ||
4488 !info->attrs[NL80211_ATTR_BEACON_HEAD])
4489 return -EINVAL;
4490
81e54d08 4491 err = nl80211_parse_beacon(rdev, info->attrs, &params.beacon);
8860020e
JB		 4492 if (err)
4493 return err;
4494
4495 params.beacon_interval =
4496 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
4497 params.dtim_period =
4498 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
4499
0c317a02
PK		 4500 err = cfg80211_validate_beacon_int(rdev, dev->ieee80211_ptr->iftype,
4501 params.beacon_interval);
8860020e
JB		 4502 if (err)
4503 return err;
4504
4505 /*
4506 * In theory, some of these attributes should be required here
4507 * but since they were not used when the command was originally
4508 * added, keep them optional for old user space programs to let
4509 * them continue to work with drivers that do not need the
4510 * additional information -- drivers must check!
4511 */
4512 if (info->attrs[NL80211_ATTR_SSID]) {
4513 params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
4514 params.ssid_len =
4515 nla_len(info->attrs[NL80211_ATTR_SSID]);
4516 if (params.ssid_len == 0 ||
4517 params.ssid_len > IEEE80211_MAX_SSID_LEN)
4518 return -EINVAL;
4519 }
4520
ab0d76f6 4521 if (info->attrs[NL80211_ATTR_HIDDEN_SSID])
8860020e
JB		 4522 params.hidden_ssid = nla_get_u32(
4523 info->attrs[NL80211_ATTR_HIDDEN_SSID]);
8860020e
JB		 4524
4525 params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
4526
4527 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
4528 params.auth_type = nla_get_u32(
4529 info->attrs[NL80211_ATTR_AUTH_TYPE]);
e39e5b5e
JM		 4530 if (!nl80211_valid_auth_type(rdev, params.auth_type,
4531 NL80211_CMD_START_AP))
8860020e
JB		 4532 return -EINVAL;
4533 } else
4534 params.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
4535
4536 err = nl80211_crypto_settings(rdev, info, &params.crypto,
4537 NL80211_MAX_NR_CIPHER_SUITES);
4538 if (err)
4539 return err;
4540
1b658f11
VT		 4541 if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) {
4542 if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER))
4543 return -EOPNOTSUPP;
4544 params.inactivity_timeout = nla_get_u16(
4545 info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]);
4546 }
4547
53cabad7
JB		 4548 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
4549 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4550 return -EINVAL;
4551 params.p2p_ctwindow =
4552 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
53cabad7
JB		 4553 if (params.p2p_ctwindow != 0 &&
4554 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
4555 return -EINVAL;
4556 }
4557
4558 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
4559 u8 tmp;
4560
4561 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4562 return -EINVAL;
4563 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
53cabad7
JB		 4564 params.p2p_opp_ps = tmp;
4565 if (params.p2p_opp_ps != 0 &&
4566 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
4567 return -EINVAL;
4568 }
4569
aa430da4 4570 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
683b6d3b
JB		 4571 err = nl80211_parse_chandef(rdev, info, &params.chandef);
4572 if (err)
4573 return err;
4574 } else if (wdev->preset_chandef.chan) {
4575 params.chandef = wdev->preset_chandef;
46c1dd0c 4576 } else if (!nl80211_get_ap_channel(rdev, &params))
aa430da4
JB		 4577 return -EINVAL;
4578
923b352f
AN		 4579 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &params.chandef,
4580 wdev->iftype))
aa430da4
JB		 4581 return -EINVAL;
4582
a7c7fbff
PK		 4583 if (info->attrs[NL80211_ATTR_TX_RATES]) {
4584 err = nl80211_parse_tx_bitrate_mask(info, &params.beacon_rate);
4585 if (err)
4586 return err;
4587
8564e382
JB		 4588 err = validate_beacon_tx_rate(rdev, params.chandef.chan->band,
4589 &params.beacon_rate);
a7c7fbff
PK		 4590 if (err)
4591 return err;
4592 }
4593
18998c38
EP		 4594 if (info->attrs[NL80211_ATTR_SMPS_MODE]) {
4595 params.smps_mode =
4596 nla_get_u8(info->attrs[NL80211_ATTR_SMPS_MODE]);
4597 switch (params.smps_mode) {
4598 case NL80211_SMPS_OFF:
4599 break;
4600 case NL80211_SMPS_STATIC:
4601 if (!(rdev->wiphy.features &
4602 NL80211_FEATURE_STATIC_SMPS))
4603 return -EINVAL;
4604 break;
4605 case NL80211_SMPS_DYNAMIC:
4606 if (!(rdev->wiphy.features &
4607 NL80211_FEATURE_DYNAMIC_SMPS))
4608 return -EINVAL;
4609 break;
4610 default:
4611 return -EINVAL;
4612 }
4613 } else {
4614 params.smps_mode = NL80211_SMPS_OFF;
4615 }
4616
6e8ef842
PK		 4617 params.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
4618 if (params.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ])
4619 return -EOPNOTSUPP;
4620
4baf6bea
OO		 4621 if (info->attrs[NL80211_ATTR_ACL_POLICY]) {
4622 params.acl = parse_acl_data(&rdev->wiphy, info);
4623 if (IS_ERR(params.acl))
4624 return PTR_ERR(params.acl);
4625 }
4626
66cd794e
JB		 4627 nl80211_calculate_ap_params(&params);
4628
fe494370
SD		 4629 if (info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])
4630 params.flags |= AP_SETTINGS_EXTERNAL_AUTH_SUPPORT;
4631
c56589ed 4632 wdev_lock(wdev);
e35e4d28 4633 err = rdev_start_ap(rdev, dev, &params);
46c1dd0c 4634 if (!err) {
683b6d3b 4635 wdev->preset_chandef = params.chandef;
8860020e 4636 wdev->beacon_interval = params.beacon_interval;
9e0e2961 4637 wdev->chandef = params.chandef;
06e191e2
AQ		 4638 wdev->ssid_len = params.ssid_len;
4639 memcpy(wdev->ssid, params.ssid, wdev->ssid_len);
466a3061
DK		 4640
4641 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
4642 wdev->conn_owner_nlportid = info->snd_portid;
46c1dd0c 4643 }
c56589ed 4644 wdev_unlock(wdev);
77765eaf
VT		 4645
4646 kfree(params.acl);
4647
56d1893d 4648 return err;
ed1b6cc7
JB		 4649}
4650
8860020e
JB		 4651static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info)
4652{
4653 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4654 struct net_device *dev = info->user_ptr[1];
4655 struct wireless_dev *wdev = dev->ieee80211_ptr;
4656 struct cfg80211_beacon_data params;
4657 int err;
4658
4659 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4660 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4661 return -EOPNOTSUPP;
4662
4663 if (!rdev->ops->change_beacon)
4664 return -EOPNOTSUPP;
4665
4666 if (!wdev->beacon_interval)
4667 return -EINVAL;
4668
81e54d08 4669 err = nl80211_parse_beacon(rdev, info->attrs, &params);
8860020e
JB		 4670 if (err)
4671 return err;
4672
c56589ed
SW		 4673 wdev_lock(wdev);
4674 err = rdev_change_beacon(rdev, dev, &params);
4675 wdev_unlock(wdev);
4676
4677 return err;
8860020e
JB		 4678}
4679
4680static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info)
ed1b6cc7 4681{
4c476991
JB		 4682 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4683 struct net_device *dev = info->user_ptr[1];
ed1b6cc7 4684
7c8d5e03 4685 return cfg80211_stop_ap(rdev, dev, false);
ed1b6cc7
JB		 4686}
4687
5727ef1b
JB		 4688static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = {
4689 [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG },
4690 [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG },
4691 [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG },
0e46724a 4692 [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG },
b39c48fa 4693 [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG },
d83023da 4694 [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG },
5727ef1b
JB		 4695};
4696
eccb8e8f 4697static int parse_station_flags(struct genl_info *info,
bdd3ae3d 4698 enum nl80211_iftype iftype,
eccb8e8f 4699 struct station_parameters *params)
5727ef1b
JB		 4700{
4701 struct nlattr *flags[NL80211_STA_FLAG_MAX + 1];
eccb8e8f 4702 struct nlattr *nla;
5727ef1b
JB		 4703 int flag;
4704
eccb8e8f
JB		 4705 /*
4706 * Try parsing the new attribute first so userspace
4707 * can specify both for older kernels.
4708 */
4709 nla = info->attrs[NL80211_ATTR_STA_FLAGS2];
4710 if (nla) {
4711 struct nl80211_sta_flag_update *sta_flags;
4712
4713 sta_flags = nla_data(nla);
4714 params->sta_flags_mask = sta_flags->mask;
4715 params->sta_flags_set = sta_flags->set;
77ee7c89 4716 params->sta_flags_set &= params->sta_flags_mask;
eccb8e8f
JB		 4717 if ((params->sta_flags_mask |
4718 params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID))
4719 return -EINVAL;
4720 return 0;
4721 }
4722
4723 /* if present, parse the old attribute */
5727ef1b 4724
eccb8e8f 4725 nla = info->attrs[NL80211_ATTR_STA_FLAGS];
5727ef1b
JB		 4726 if (!nla)
4727 return 0;
4728
8cb08174 4729 if (nla_parse_nested_deprecated(flags, NL80211_STA_FLAG_MAX, nla, sta_flags_policy, info->extack))
5727ef1b
JB		 4730 return -EINVAL;
4731
bdd3ae3d
JB		 4732 /*
4733 * Only allow certain flags for interface types so that
4734 * other attributes are silently ignored. Remember that
4735 * this is backward compatibility code with old userspace
4736 * and shouldn't be hit in other cases anyway.
4737 */
4738 switch (iftype) {
4739 case NL80211_IFTYPE_AP:
4740 case NL80211_IFTYPE_AP_VLAN:
4741 case NL80211_IFTYPE_P2P_GO:
4742 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
4743 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
4744 BIT(NL80211_STA_FLAG_WME) |
4745 BIT(NL80211_STA_FLAG_MFP);
4746 break;
4747 case NL80211_IFTYPE_P2P_CLIENT:
4748 case NL80211_IFTYPE_STATION:
4749 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
4750 BIT(NL80211_STA_FLAG_TDLS_PEER);
4751 break;
4752 case NL80211_IFTYPE_MESH_POINT:
4753 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
4754 BIT(NL80211_STA_FLAG_MFP) |
4755 BIT(NL80211_STA_FLAG_AUTHORIZED);
5cf3006c 4756 break;
bdd3ae3d
JB		 4757 default:
4758 return -EINVAL;
4759 }
5727ef1b 4760
3383b5a6
JB		 4761 for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) {
4762 if (flags[flag]) {
eccb8e8f 4763 params->sta_flags_set |= (1<<flag);
5727ef1b 4764
3383b5a6
JB		 4765 /* no longer support new API additions in old API */
4766 if (flag > NL80211_STA_FLAG_MAX_OLD_API)
4767 return -EINVAL;
4768 }
4769 }
4770
5727ef1b
JB		 4771 return 0;
4772}
4773
9bb7e0f2 4774bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, int attr)
c8dcfd8a
FF		 4775{
4776 struct nlattr *rate;
8eb41c8d
VK		 4777 u32 bitrate;
4778 u16 bitrate_compat;
bbf67e45 4779 enum nl80211_rate_info rate_flg;
c8dcfd8a 4780
ae0be8de 4781 rate = nla_nest_start_noflag(msg, attr);
c8dcfd8a 4782 if (!rate)
db9c64cf 4783 return false;
c8dcfd8a
FF		 4784
4785 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
4786 bitrate = cfg80211_calculate_bitrate(info);
8eb41c8d
VK		 4787 /* report 16-bit bitrate only if we can */
4788 bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0;
db9c64cf
JB		 4789 if (bitrate > 0 &&
4790 nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate))
4791 return false;
4792 if (bitrate_compat > 0 &&
4793 nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat))
4794 return false;
4795
b51f3bee
JB		 4796 switch (info->bw) {
4797 case RATE_INFO_BW_5:
4798 rate_flg = NL80211_RATE_INFO_5_MHZ_WIDTH;
4799 break;
4800 case RATE_INFO_BW_10:
4801 rate_flg = NL80211_RATE_INFO_10_MHZ_WIDTH;
4802 break;
4803 default:
4804 WARN_ON(1);
4805 /* fall through */
4806 case RATE_INFO_BW_20:
4807 rate_flg = 0;
4808 break;
4809 case RATE_INFO_BW_40:
4810 rate_flg = NL80211_RATE_INFO_40_MHZ_WIDTH;
4811 break;
4812 case RATE_INFO_BW_80:
4813 rate_flg = NL80211_RATE_INFO_80_MHZ_WIDTH;
4814 break;
4815 case RATE_INFO_BW_160:
4816 rate_flg = NL80211_RATE_INFO_160_MHZ_WIDTH;
4817 break;
c4cbaf79
LC		 4818 case RATE_INFO_BW_HE_RU:
4819 rate_flg = 0;
4820 WARN_ON(!(info->flags & RATE_INFO_FLAGS_HE_MCS));
b51f3bee
JB		 4821 }
4822
4823 if (rate_flg && nla_put_flag(msg, rate_flg))
4824 return false;
4825
db9c64cf
JB		 4826 if (info->flags & RATE_INFO_FLAGS_MCS) {
4827 if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs))
4828 return false;
db9c64cf
JB		 4829 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
4830 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
4831 return false;
4832 } else if (info->flags & RATE_INFO_FLAGS_VHT_MCS) {
4833 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_MCS, info->mcs))
4834 return false;
4835 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss))
4836 return false;
db9c64cf
JB		 4837 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
4838 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
4839 return false;
c4cbaf79
LC		 4840 } else if (info->flags & RATE_INFO_FLAGS_HE_MCS) {
4841 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_MCS, info->mcs))
4842 return false;
4843 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_NSS, info->nss))
4844 return false;
4845 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_GI, info->he_gi))
4846 return false;
4847 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_DCM, info->he_dcm))
4848 return false;
4849 if (info->bw == RATE_INFO_BW_HE_RU &&
4850 nla_put_u8(msg, NL80211_RATE_INFO_HE_RU_ALLOC,
4851 info->he_ru_alloc))
4852 return false;
db9c64cf 4853 }
c8dcfd8a
FF		 4854
4855 nla_nest_end(msg, rate);
4856 return true;
c8dcfd8a
FF		 4857}
4858
119363c7
FF		 4859static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal,
4860 int id)
4861{
4862 void *attr;
4863 int i = 0;
4864
4865 if (!mask)
4866 return true;
4867
ae0be8de 4868 attr = nla_nest_start_noflag(msg, id);
119363c7
FF		 4869 if (!attr)
4870 return false;
4871
4872 for (i = 0; i < IEEE80211_MAX_CHAINS; i++) {
4873 if (!(mask & BIT(i)))
4874 continue;
4875
4876 if (nla_put_u8(msg, i, signal[i]))
4877 return false;
4878 }
4879
4880 nla_nest_end(msg, attr);
4881
4882 return true;
4883}
4884
cf5ead82
JB		 4885static int nl80211_send_station(struct sk_buff *msg, u32 cmd, u32 portid,
4886 u32 seq, int flags,
66266b3a
JL		 4887 struct cfg80211_registered_device *rdev,
4888 struct net_device *dev,
98b62183 4889 const u8 *mac_addr, struct station_info *sinfo)
fd5b74dc
JB		 4890{
4891 void *hdr;
f4263c98 4892 struct nlattr *sinfoattr, *bss_param;
fd5b74dc 4893
cf5ead82 4894 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
fd5b74dc
JB		 4895 if (!hdr)
4896 return -1;
4897
9360ffd1
DM		 4898 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
4899 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
4900 nla_put_u32(msg, NL80211_ATTR_GENERATION, sinfo->generation))
4901 goto nla_put_failure;
f5ea9120 4902
ae0be8de 4903 sinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_STA_INFO);
2ec600d6 4904 if (!sinfoattr)
fd5b74dc 4905 goto nla_put_failure;
319090bf
JB		 4906
4907#define PUT_SINFO(attr, memb, type) do { \
d686b920 4908 BUILD_BUG_ON(sizeof(type) == sizeof(u64)); \
397c657a 4909 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \
319090bf
JB		 4910 nla_put_ ## type(msg, NL80211_STA_INFO_ ## attr, \
4911 sinfo->memb)) \
4912 goto nla_put_failure; \
4913 } while (0)
d686b920 4914#define PUT_SINFO_U64(attr, memb) do { \
397c657a 4915 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \
d686b920
JB		 4916 nla_put_u64_64bit(msg, NL80211_STA_INFO_ ## attr, \
4917 sinfo->memb, NL80211_STA_INFO_PAD)) \
4918 goto nla_put_failure; \
4919 } while (0)
319090bf
JB		 4920
4921 PUT_SINFO(CONNECTED_TIME, connected_time, u32);
4922 PUT_SINFO(INACTIVE_TIME, inactive_time, u32);
4923
397c657a
OE		 4924 if (sinfo->filled & (BIT_ULL(NL80211_STA_INFO_RX_BYTES) |
4925 BIT_ULL(NL80211_STA_INFO_RX_BYTES64)) &&
9360ffd1 4926 nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES,
42745e03 4927 (u32)sinfo->rx_bytes))
9360ffd1 4928 goto nla_put_failure;
319090bf 4929
397c657a
OE		 4930 if (sinfo->filled & (BIT_ULL(NL80211_STA_INFO_TX_BYTES) |
4931 BIT_ULL(NL80211_STA_INFO_TX_BYTES64)) &&
9360ffd1 4932 nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES,
42745e03
VK		 4933 (u32)sinfo->tx_bytes))
4934 goto nla_put_failure;
319090bf 4935
d686b920
JB		 4936 PUT_SINFO_U64(RX_BYTES64, rx_bytes);
4937 PUT_SINFO_U64(TX_BYTES64, tx_bytes);
319090bf
JB		 4938 PUT_SINFO(LLID, llid, u16);
4939 PUT_SINFO(PLID, plid, u16);
4940 PUT_SINFO(PLINK_STATE, plink_state, u8);
d686b920 4941 PUT_SINFO_U64(RX_DURATION, rx_duration);
36647055
THJ		 4942 PUT_SINFO_U64(TX_DURATION, tx_duration);
4943
4944 if (wiphy_ext_feature_isset(&rdev->wiphy,
4945 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
4946 PUT_SINFO(AIRTIME_WEIGHT, airtime_weight, u16);
319090bf 4947
66266b3a
JL		 4948 switch (rdev->wiphy.signal_type) {
4949 case CFG80211_SIGNAL_TYPE_MBM:
319090bf
JB		 4950 PUT_SINFO(SIGNAL, signal, u8);
4951 PUT_SINFO(SIGNAL_AVG, signal_avg, u8);
66266b3a
JL		 4952 break;
4953 default:
4954 break;
4955 }
397c657a 4956 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL)) {
119363c7
FF		 4957 if (!nl80211_put_signal(msg, sinfo->chains,
4958 sinfo->chain_signal,
4959 NL80211_STA_INFO_CHAIN_SIGNAL))
4960 goto nla_put_failure;
4961 }
397c657a 4962 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) {
119363c7
FF		 4963 if (!nl80211_put_signal(msg, sinfo->chains,
4964 sinfo->chain_signal_avg,
4965 NL80211_STA_INFO_CHAIN_SIGNAL_AVG))
4966 goto nla_put_failure;
4967 }
397c657a 4968 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_TX_BITRATE)) {
c8dcfd8a
FF		 4969 if (!nl80211_put_sta_rate(msg, &sinfo->txrate,
4970 NL80211_STA_INFO_TX_BITRATE))
4971 goto nla_put_failure;
4972 }
397c657a 4973 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_RX_BITRATE)) {
c8dcfd8a
FF		 4974 if (!nl80211_put_sta_rate(msg, &sinfo->rxrate,
4975 NL80211_STA_INFO_RX_BITRATE))
420e7fab 4976 goto nla_put_failure;
420e7fab 4977 }
319090bf
JB		 4978
4979 PUT_SINFO(RX_PACKETS, rx_packets, u32);
4980 PUT_SINFO(TX_PACKETS, tx_packets, u32);
4981 PUT_SINFO(TX_RETRIES, tx_retries, u32);
4982 PUT_SINFO(TX_FAILED, tx_failed, u32);
4983 PUT_SINFO(EXPECTED_THROUGHPUT, expected_throughput, u32);
ab60633c 4984 PUT_SINFO(AIRTIME_LINK_METRIC, airtime_link_metric, u32);
319090bf
JB		 4985 PUT_SINFO(BEACON_LOSS, beacon_loss_count, u32);
4986 PUT_SINFO(LOCAL_PM, local_pm, u32);
4987 PUT_SINFO(PEER_PM, peer_pm, u32);
4988 PUT_SINFO(NONPEER_PM, nonpeer_pm, u32);
dbdaee7a 4989 PUT_SINFO(CONNECTED_TO_GATE, connected_to_gate, u8);
319090bf 4990
397c657a 4991 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_BSS_PARAM)) {
ae0be8de
MK		 4992 bss_param = nla_nest_start_noflag(msg,
4993 NL80211_STA_INFO_BSS_PARAM);
f4263c98
PS		 4994 if (!bss_param)
4995 goto nla_put_failure;
4996
9360ffd1
DM		 4997 if (((sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) &&
4998 nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) ||
4999 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) &&
5000 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) ||
5001 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) &&
5002 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) ||
5003 nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD,
5004 sinfo->bss_param.dtim_period) ||
5005 nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL,
5006 sinfo->bss_param.beacon_interval))
5007 goto nla_put_failure;
f4263c98
PS		 5008
5009 nla_nest_end(msg, bss_param);
5010 }
397c657a 5011 if ((sinfo->filled & BIT_ULL(NL80211_STA_INFO_STA_FLAGS)) &&
9360ffd1
DM		 5012 nla_put(msg, NL80211_STA_INFO_STA_FLAGS,
5013 sizeof(struct nl80211_sta_flag_update),
5014 &sinfo->sta_flags))
5015 goto nla_put_failure;
319090bf 5016
d686b920
JB		 5017 PUT_SINFO_U64(T_OFFSET, t_offset);
5018 PUT_SINFO_U64(RX_DROP_MISC, rx_dropped_misc);
5019 PUT_SINFO_U64(BEACON_RX, rx_beacon);
a76b1942 5020 PUT_SINFO(BEACON_SIGNAL_AVG, rx_beacon_signal_avg, u8);
0d4e14a3
AB		 5021 PUT_SINFO(RX_MPDUS, rx_mpdu_count, u32);
5022 PUT_SINFO(FCS_ERROR_COUNT, fcs_err_count, u32);
81d5439d 5023 if (wiphy_ext_feature_isset(&rdev->wiphy,
9c06602b
BP		 5024 NL80211_EXT_FEATURE_ACK_SIGNAL_SUPPORT)) {
5025 PUT_SINFO(ACK_SIGNAL, ack_signal, u8);
5026 PUT_SINFO(ACK_SIGNAL_AVG, avg_ack_signal, s8);
5027 }
319090bf
JB		 5028
5029#undef PUT_SINFO
d686b920 5030#undef PUT_SINFO_U64
6de39808 5031
8689c051 5032 if (sinfo->pertid) {
6de39808
JB		 5033 struct nlattr *tidsattr;
5034 int tid;
5035
ae0be8de
MK		 5036 tidsattr = nla_nest_start_noflag(msg,
5037 NL80211_STA_INFO_TID_STATS);
6de39808
JB		 5038 if (!tidsattr)
5039 goto nla_put_failure;
5040
5041 for (tid = 0; tid < IEEE80211_NUM_TIDS + 1; tid++) {
5042 struct cfg80211_tid_stats *tidstats;
5043 struct nlattr *tidattr;
5044
5045 tidstats = &sinfo->pertid[tid];
5046
5047 if (!tidstats->filled)
5048 continue;
5049
ae0be8de 5050 tidattr = nla_nest_start_noflag(msg, tid + 1);
6de39808
JB		 5051 if (!tidattr)
5052 goto nla_put_failure;
5053
d686b920 5054#define PUT_TIDVAL_U64(attr, memb) do { \
6de39808 5055 if (tidstats->filled & BIT(NL80211_TID_STATS_ ## attr) && \
d686b920
JB		 5056 nla_put_u64_64bit(msg, NL80211_TID_STATS_ ## attr, \
5057 tidstats->memb, NL80211_TID_STATS_PAD)) \
6de39808
JB		 5058 goto nla_put_failure; \
5059 } while (0)
5060
d686b920
JB		 5061 PUT_TIDVAL_U64(RX_MSDU, rx_msdu);
5062 PUT_TIDVAL_U64(TX_MSDU, tx_msdu);
5063 PUT_TIDVAL_U64(TX_MSDU_RETRIES, tx_msdu_retries);
5064 PUT_TIDVAL_U64(TX_MSDU_FAILED, tx_msdu_failed);
6de39808 5065
d686b920 5066#undef PUT_TIDVAL_U64
52539ca8
THJ		 5067 if ((tidstats->filled &
5068 BIT(NL80211_TID_STATS_TXQ_STATS)) &&
5069 !nl80211_put_txq_stats(msg, &tidstats->txq_stats,
5070 NL80211_TID_STATS_TXQ_STATS))
5071 goto nla_put_failure;
5072
6de39808
JB		 5073 nla_nest_end(msg, tidattr);
5074 }
5075
5076 nla_nest_end(msg, tidsattr);
5077 }
5078
2ec600d6 5079 nla_nest_end(msg, sinfoattr);
fd5b74dc 5080
319090bf 5081 if (sinfo->assoc_req_ies_len &&
9360ffd1
DM		 5082 nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len,
5083 sinfo->assoc_req_ies))
5084 goto nla_put_failure;
50d3dfb7 5085
7ea3e110 5086 cfg80211_sinfo_release_content(sinfo);
053c095a
JB		 5087 genlmsg_end(msg, hdr);
5088 return 0;
fd5b74dc
JB		 5089
5090 nla_put_failure:
7ea3e110 5091 cfg80211_sinfo_release_content(sinfo);
bc3ed28c
TG		 5092 genlmsg_cancel(msg, hdr);
5093 return -EMSGSIZE;
fd5b74dc
JB		 5094}
5095
2ec600d6 5096static int nl80211_dump_station(struct sk_buff *skb,
bba95fef 5097 struct netlink_callback *cb)
2ec600d6 5098{
73887fd9 5099 struct station_info sinfo;
1b8ec87a 5100 struct cfg80211_registered_device *rdev;
97990a06 5101 struct wireless_dev *wdev;
2ec600d6 5102 u8 mac_addr[ETH_ALEN];
97990a06 5103 int sta_idx = cb->args[2];
2ec600d6 5104 int err;
2ec600d6 5105
ea90e0dc 5106 rtnl_lock();
5297c65c 5107 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
67748893 5108 if (err)
ea90e0dc 5109 goto out_err;
bba95fef 5110
97990a06
JB		 5111 if (!wdev->netdev) {
5112 err = -EINVAL;
5113 goto out_err;
5114 }
5115
1b8ec87a 5116 if (!rdev->ops->dump_station) {
eec60b03 5117 err = -EOPNOTSUPP;
bba95fef
JB		 5118 goto out_err;
5119 }
5120
bba95fef 5121 while (1) {
73887fd9 5122 memset(&sinfo, 0, sizeof(sinfo));
1b8ec87a 5123 err = rdev_dump_station(rdev, wdev->netdev, sta_idx,
73887fd9 5124 mac_addr, &sinfo);
bba95fef
JB		 5125 if (err == -ENOENT)
5126 break;
5127 if (err)
3b85875a 5128 goto out_err;
bba95fef 5129
cf5ead82 5130 if (nl80211_send_station(skb, NL80211_CMD_NEW_STATION,
15e47304 5131 NETLINK_CB(cb->skb).portid,
bba95fef 5132 cb->nlh->nlmsg_seq, NLM_F_MULTI,
1b8ec87a 5133 rdev, wdev->netdev, mac_addr,
73887fd9 5134 &sinfo) < 0)
bba95fef
JB		 5135 goto out;
5136
5137 sta_idx++;
5138 }
5139
bba95fef 5140 out:
97990a06 5141 cb->args[2] = sta_idx;
bba95fef 5142 err = skb->len;
bba95fef 5143 out_err:
ea90e0dc 5144 rtnl_unlock();
bba95fef
JB		 5145
5146 return err;
2ec600d6 5147}
fd5b74dc 5148
5727ef1b
JB		 5149static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info)
5150{
4c476991
JB		 5151 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5152 struct net_device *dev = info->user_ptr[1];
73887fd9 5153 struct station_info sinfo;
fd5b74dc
JB		 5154 struct sk_buff *msg;
5155 u8 *mac_addr = NULL;
4c476991 5156 int err;
fd5b74dc 5157
73887fd9 5158 memset(&sinfo, 0, sizeof(sinfo));
fd5b74dc 5159
73887fd9
JB		 5160 if (!info->attrs[NL80211_ATTR_MAC])
5161 return -EINVAL;
fd5b74dc
JB		 5162
5163 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
5164
73887fd9
JB		 5165 if (!rdev->ops->get_station)
5166 return -EOPNOTSUPP;
3b85875a 5167
73887fd9 5168 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
fd5b74dc 5169 if (err)
73887fd9 5170 return err;
2ec600d6 5171
fd2120ca 5172 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7ea3e110 5173 if (!msg) {
ba8f566a 5174 cfg80211_sinfo_release_content(&sinfo);
73887fd9 5175 return -ENOMEM;
7ea3e110 5176 }
fd5b74dc 5177
cf5ead82
JB		 5178 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION,
5179 info->snd_portid, info->snd_seq, 0,
73887fd9 5180 rdev, dev, mac_addr, &sinfo) < 0) {
4c476991 5181 nlmsg_free(msg);
73887fd9 5182 return -ENOBUFS;
4c476991 5183 }
3b85875a 5184
73887fd9 5185 return genlmsg_reply(msg, info);
5727ef1b
JB		 5186}
5187
77ee7c89
JB		 5188int cfg80211_check_station_change(struct wiphy *wiphy,
5189 struct station_parameters *params,
5190 enum cfg80211_station_type statype)
5191{
e4208427
AB		 5192 if (params->listen_interval != -1 &&
5193 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
77ee7c89 5194 return -EINVAL;
e4208427 5195
17b94247
AB		 5196 if (params->support_p2p_ps != -1 &&
5197 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
5198 return -EINVAL;
5199
c72e1140 5200 if (params->aid &&
e4208427
AB		 5201 !(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) &&
5202 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
77ee7c89
JB		 5203 return -EINVAL;
5204
5205 /* When you run into this, adjust the code below for the new flag */
5206 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
5207
5208 switch (statype) {
eef941e6
TP		 5209 case CFG80211_STA_MESH_PEER_KERNEL:
5210 case CFG80211_STA_MESH_PEER_USER:
77ee7c89
JB		 5211 /*
5212 * No ignoring the TDLS flag here -- the userspace mesh
5213 * code doesn't have the bug of including TDLS in the
5214 * mask everywhere.
5215 */
5216 if (params->sta_flags_mask &
5217 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) |
5218 BIT(NL80211_STA_FLAG_MFP) |
5219 BIT(NL80211_STA_FLAG_AUTHORIZED)))
5220 return -EINVAL;
5221 break;
5222 case CFG80211_STA_TDLS_PEER_SETUP:
5223 case CFG80211_STA_TDLS_PEER_ACTIVE:
5224 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
5225 return -EINVAL;
5226 /* ignore since it can't change */
5227 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
5228 break;
5229 default:
5230 /* disallow mesh-specific things */
5231 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION)
5232 return -EINVAL;
5233 if (params->local_pm)
5234 return -EINVAL;
5235 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
5236 return -EINVAL;
5237 }
5238
5239 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
5240 statype != CFG80211_STA_TDLS_PEER_ACTIVE) {
5241 /* TDLS can't be set, ... */
5242 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
5243 return -EINVAL;
5244 /*
5245 * ... but don't bother the driver with it. This works around
5246 * a hostapd/wpa_supplicant issue -- it always includes the
5247 * TLDS_PEER flag in the mask even for AP mode.
5248 */
5249 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
5250 }
5251
47edb11b
AB		 5252 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
5253 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
77ee7c89
JB		 5254 /* reject other things that can't change */
5255 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD)
5256 return -EINVAL;
5257 if (params->sta_modify_mask & STATION_PARAM_APPLY_CAPABILITY)
5258 return -EINVAL;
5259 if (params->supported_rates)
5260 return -EINVAL;
c4cbaf79
LC		 5261 if (params->ext_capab || params->ht_capa || params->vht_capa ||
5262 params->he_capa)
77ee7c89
JB		 5263 return -EINVAL;
5264 }
5265
47edb11b
AB		 5266 if (statype != CFG80211_STA_AP_CLIENT &&
5267 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
77ee7c89
JB		 5268 if (params->vlan)
5269 return -EINVAL;
5270 }
5271
5272 switch (statype) {
5273 case CFG80211_STA_AP_MLME_CLIENT:
5274 /* Use this only for authorizing/unauthorizing a station */
5275 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
5276 return -EOPNOTSUPP;
5277 break;
5278 case CFG80211_STA_AP_CLIENT:
47edb11b 5279 case CFG80211_STA_AP_CLIENT_UNASSOC:
77ee7c89
JB		 5280 /* accept only the listed bits */
5281 if (params->sta_flags_mask &
5282 ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
5283 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
5284 BIT(NL80211_STA_FLAG_ASSOCIATED) |
5285 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
5286 BIT(NL80211_STA_FLAG_WME) |
5287 BIT(NL80211_STA_FLAG_MFP)))
5288 return -EINVAL;
5289
5290 /* but authenticated/associated only if driver handles it */
5291 if (!(wiphy->features & NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
5292 params->sta_flags_mask &
5293 (BIT(NL80211_STA_FLAG_AUTHENTICATED) |
5294 BIT(NL80211_STA_FLAG_ASSOCIATED)))
5295 return -EINVAL;
5296 break;
5297 case CFG80211_STA_IBSS:
5298 case CFG80211_STA_AP_STA:
5299 /* reject any changes other than AUTHORIZED */
5300 if (params->sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED))
5301 return -EINVAL;
5302 break;
5303 case CFG80211_STA_TDLS_PEER_SETUP:
5304 /* reject any changes other than AUTHORIZED or WME */
5305 if (params->sta_flags_mask & ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
5306 BIT(NL80211_STA_FLAG_WME)))
5307 return -EINVAL;
5308 /* force (at least) rates when authorizing */
5309 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED) &&
5310 !params->supported_rates)
5311 return -EINVAL;
5312 break;
5313 case CFG80211_STA_TDLS_PEER_ACTIVE:
5314 /* reject any changes */
5315 return -EINVAL;
eef941e6 5316 case CFG80211_STA_MESH_PEER_KERNEL:
77ee7c89
JB		 5317 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
5318 return -EINVAL;
5319 break;
eef941e6 5320 case CFG80211_STA_MESH_PEER_USER:
42925040
CYY		 5321 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION &&
5322 params->plink_action != NL80211_PLINK_ACTION_BLOCK)
77ee7c89
JB		 5323 return -EINVAL;
5324 break;
5325 }
5326
06f7c88c
BL		 5327 /*
5328 * Older kernel versions ignored this attribute entirely, so don't
5329 * reject attempts to update it but mark it as unused instead so the
5330 * driver won't look at the data.
5331 */
5332 if (statype != CFG80211_STA_AP_CLIENT_UNASSOC &&
5333 statype != CFG80211_STA_TDLS_PEER_SETUP)
5334 params->opmode_notif_used = false;
5335
77ee7c89
JB		 5336 return 0;
5337}
5338EXPORT_SYMBOL(cfg80211_check_station_change);
5339
5727ef1b 5340/*
c258d2de 5341 * Get vlan interface making sure it is running and on the right wiphy.
5727ef1b 5342 */
80b99899
JB		 5343static struct net_device *get_vlan(struct genl_info *info,
5344 struct cfg80211_registered_device *rdev)
5727ef1b 5345{
463d0183 5346 struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN];
80b99899
JB		 5347 struct net_device *v;
5348 int ret;
5349
5350 if (!vlanattr)
5351 return NULL;
5352
5353 v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr));
5354 if (!v)
5355 return ERR_PTR(-ENODEV);
5356
5357 if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) {
5358 ret = -EINVAL;
5359 goto error;
5727ef1b 5360 }
80b99899 5361
77ee7c89
JB		 5362 if (v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
5363 v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
5364 v->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
5365 ret = -EINVAL;
5366 goto error;
5367 }
5368
80b99899
JB		 5369 if (!netif_running(v)) {
5370 ret = -ENETDOWN;
5371 goto error;
5372 }
5373
5374 return v;
5375 error:
5376 dev_put(v);
5377 return ERR_PTR(ret);
5727ef1b
JB		 5378}
5379
94e860f1
JB		 5380static const struct nla_policy
5381nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] = {
df881293
JM		 5382 [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 },
5383 [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 },
5384};
5385
ff276691
JB		 5386static int nl80211_parse_sta_wme(struct genl_info *info,
5387 struct station_parameters *params)
df881293 5388{
df881293
JM		 5389 struct nlattr *tb[NL80211_STA_WME_MAX + 1];
5390 struct nlattr *nla;
5391 int err;
5392
df881293
JM		 5393 /* parse WME attributes if present */
5394 if (!info->attrs[NL80211_ATTR_STA_WME])
5395 return 0;
5396
5397 nla = info->attrs[NL80211_ATTR_STA_WME];
8cb08174
JB		 5398 err = nla_parse_nested_deprecated(tb, NL80211_STA_WME_MAX, nla,
5399 nl80211_sta_wme_policy,
5400 info->extack);
df881293
JM		 5401 if (err)
5402 return err;
5403
5404 if (tb[NL80211_STA_WME_UAPSD_QUEUES])
5405 params->uapsd_queues = nla_get_u8(
5406 tb[NL80211_STA_WME_UAPSD_QUEUES]);
5407 if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
5408 return -EINVAL;
5409
5410 if (tb[NL80211_STA_WME_MAX_SP])
5411 params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]);
5412
5413 if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
5414 return -EINVAL;
5415
5416 params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD;
5417
5418 return 0;
5419}
5420
c01fc9ad
SD		 5421static int nl80211_parse_sta_channel_info(struct genl_info *info,
5422 struct station_parameters *params)
5423{
5424 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]) {
5425 params->supported_channels =
5426 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
5427 params->supported_channels_len =
5428 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
5429 /*
5430 * Need to include at least one (first channel, number of
5431 * channels) tuple for each subband, and must have proper
5432 * tuples for the rest of the data as well.
5433 */
5434 if (params->supported_channels_len < 2)
5435 return -EINVAL;
5436 if (params->supported_channels_len % 2)
5437 return -EINVAL;
5438 }
5439
5440 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]) {
5441 params->supported_oper_classes =
5442 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
5443 params->supported_oper_classes_len =
5444 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
5445 /*
5446 * The value of the Length field of the Supported Operating
5447 * Classes element is between 2 and 253.
5448 */
5449 if (params->supported_oper_classes_len < 2 ||
5450 params->supported_oper_classes_len > 253)
5451 return -EINVAL;
5452 }
5453 return 0;
5454}
5455
ff276691
JB		 5456static int nl80211_set_station_tdls(struct genl_info *info,
5457 struct station_parameters *params)
5458{
c01fc9ad 5459 int err;
ff276691 5460 /* Dummy STA entry gets updated once the peer capabilities are known */
5e4b6f56
JM		 5461 if (info->attrs[NL80211_ATTR_PEER_AID])
5462 params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
ff276691
JB		 5463 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
5464 params->ht_capa =
5465 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
5466 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
5467 params->vht_capa =
5468 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
c4cbaf79
LC		 5469 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
5470 params->he_capa =
5471 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
5472 params->he_capa_len =
5473 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
5474
5475 if (params->he_capa_len < NL80211_HE_MIN_CAPABILITY_LEN)
5476 return -EINVAL;
5477 }
ff276691 5478
c01fc9ad
SD		 5479 err = nl80211_parse_sta_channel_info(info, params);
5480 if (err)
5481 return err;
5482
ff276691
JB		 5483 return nl80211_parse_sta_wme(info, params);
5484}
5485
e96d1cd2
ARN		 5486static int nl80211_parse_sta_txpower_setting(struct genl_info *info,
5487 struct station_parameters *params)
5488{
5489 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5490 int idx;
5491
5492 if (info->attrs[NL80211_ATTR_STA_TX_POWER_SETTING]) {
5493 if (!rdev->ops->set_tx_power ||
5494 !wiphy_ext_feature_isset(&rdev->wiphy,
5495 NL80211_EXT_FEATURE_STA_TX_PWR))
5496 return -EOPNOTSUPP;
5497
5498 idx = NL80211_ATTR_STA_TX_POWER_SETTING;
5499 params->txpwr.type = nla_get_u8(info->attrs[idx]);
5500
5501 if (params->txpwr.type == NL80211_TX_POWER_LIMITED) {
5502 idx = NL80211_ATTR_STA_TX_POWER;
5503
5504 if (info->attrs[idx])
5505 params->txpwr.power =
5506 nla_get_s16(info->attrs[idx]);
5507 else
5508 return -EINVAL;
5509 }
5510 params->sta_modify_mask |= STATION_PARAM_APPLY_STA_TXPOWER;
5511 }
5512
5513 return 0;
5514}
5515
5727ef1b
JB		 5516static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
5517{
4c476991 5518 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4c476991 5519 struct net_device *dev = info->user_ptr[1];
5727ef1b 5520 struct station_parameters params;
77ee7c89
JB		 5521 u8 *mac_addr;
5522 int err;
5727ef1b
JB		 5523
5524 memset(&params, 0, sizeof(params));
5525
77ee7c89
JB		 5526 if (!rdev->ops->change_station)
5527 return -EOPNOTSUPP;
5528
e4208427
AB		 5529 /*
5530 * AID and listen_interval properties can be set only for unassociated
5531 * station. Include these parameters here and will check them in
5532 * cfg80211_check_station_change().
5533 */
a9bc31e4
AB		 5534 if (info->attrs[NL80211_ATTR_STA_AID])
5535 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
e4208427
AB		 5536
5537 if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
5538 params.listen_interval =
5539 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
5540 else
5541 params.listen_interval = -1;
5727ef1b 5542
ab0d76f6
JB		 5543 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS])
5544 params.support_p2p_ps =
5545 nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
5546 else
17b94247 5547 params.support_p2p_ps = -1;
17b94247 5548
5727ef1b
JB		 5549 if (!info->attrs[NL80211_ATTR_MAC])
5550 return -EINVAL;
5551
5552 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
5553
5554 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) {
5555 params.supported_rates =
5556 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
5557 params.supported_rates_len =
5558 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
5559 }
5560
9d62a986
JM		 5561 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
5562 params.capability =
5563 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
5564 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
5565 }
5566
5567 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
5568 params.ext_capab =
5569 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
5570 params.ext_capab_len =
5571 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
5572 }
5573
bdd3ae3d 5574 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, &params))
5727ef1b
JB		 5575 return -EINVAL;
5576
ab0d76f6 5577 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
2ec600d6 5578 params.plink_action =
f8bacc21 5579 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
2ec600d6 5580
f8bacc21 5581 if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) {
9c3990aa 5582 params.plink_state =
f8bacc21 5583 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]);
ab0d76f6 5584 if (info->attrs[NL80211_ATTR_MESH_PEER_AID])
7d27a0ba
MH		 5585 params.peer_aid = nla_get_u16(
5586 info->attrs[NL80211_ATTR_MESH_PEER_AID]);
f8bacc21
JB		 5587 params.sta_modify_mask |= STATION_PARAM_APPLY_PLINK_STATE;
5588 }
9c3990aa 5589
ab0d76f6
JB		 5590 if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE])
5591 params.local_pm = nla_get_u32(
3b1c5a53
MP		 5592 info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]);
5593
06f7c88c
BL		 5594 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
5595 params.opmode_notif_used = true;
5596 params.opmode_notif =
5597 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
5598 }
5599
36647055
THJ		 5600 if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
5601 params.airtime_weight =
5602 nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
5603
5604 if (params.airtime_weight &&
5605 !wiphy_ext_feature_isset(&rdev->wiphy,
5606 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
5607 return -EOPNOTSUPP;
5608
e96d1cd2
ARN		 5609 err = nl80211_parse_sta_txpower_setting(info, &params);
5610 if (err)
5611 return err;
5612
77ee7c89
JB		 5613 /* Include parameters for TDLS peer (will check later) */
5614 err = nl80211_set_station_tdls(info, &params);
5615 if (err)
5616 return err;
5617
5618 params.vlan = get_vlan(info, rdev);
5619 if (IS_ERR(params.vlan))
5620 return PTR_ERR(params.vlan);
5621
a97f4424
JB		 5622 switch (dev->ieee80211_ptr->iftype) {
5623 case NL80211_IFTYPE_AP:
5624 case NL80211_IFTYPE_AP_VLAN:
074ac8df 5625 case NL80211_IFTYPE_P2P_GO:
074ac8df 5626 case NL80211_IFTYPE_P2P_CLIENT:
a97f4424 5627 case NL80211_IFTYPE_STATION:
267335d6 5628 case NL80211_IFTYPE_ADHOC:
a97f4424 5629 case NL80211_IFTYPE_MESH_POINT:
a97f4424
JB		 5630 break;
5631 default:
77ee7c89
JB		 5632 err = -EOPNOTSUPP;
5633 goto out_put_vlan;
034d655e
JB		 5634 }
5635
77ee7c89 5636 /* driver will call cfg80211_check_station_change() */
e35e4d28 5637 err = rdev_change_station(rdev, dev, mac_addr, &params);
5727ef1b 5638
77ee7c89 5639 out_put_vlan:
5727ef1b
JB		 5640 if (params.vlan)
5641 dev_put(params.vlan);
3b85875a 5642
5727ef1b
JB		 5643 return err;
5644}
5645
5646static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
5647{
4c476991 5648 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5727ef1b 5649 int err;
4c476991 5650 struct net_device *dev = info->user_ptr[1];
5727ef1b
JB		 5651 struct station_parameters params;
5652 u8 *mac_addr = NULL;
bda95eb1
JB		 5653 u32 auth_assoc = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
5654 BIT(NL80211_STA_FLAG_ASSOCIATED);
5727ef1b
JB		 5655
5656 memset(&params, 0, sizeof(params));
5657
984c311b
JB		 5658 if (!rdev->ops->add_station)
5659 return -EOPNOTSUPP;
5660
5727ef1b
JB		 5661 if (!info->attrs[NL80211_ATTR_MAC])
5662 return -EINVAL;
5663
5727ef1b
JB		 5664 if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
5665 return -EINVAL;
5666
5667 if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES])
5668 return -EINVAL;
5669
5e4b6f56
JM		 5670 if (!info->attrs[NL80211_ATTR_STA_AID] &&
5671 !info->attrs[NL80211_ATTR_PEER_AID])
0e956c13
TLSC		 5672 return -EINVAL;
5673
5727ef1b
JB		 5674 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
5675 params.supported_rates =
5676 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
5677 params.supported_rates_len =
5678 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
5679 params.listen_interval =
5680 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
51b50fbe 5681
17b94247 5682 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]) {
ab0d76f6
JB		 5683 params.support_p2p_ps =
5684 nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
17b94247
AB		 5685 } else {
5686 /*
5687 * if not specified, assume it's supported for P2P GO interface,
5688 * and is NOT supported for AP interface
5689 */
5690 params.support_p2p_ps =
5691 dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO;
5692 }
5693
3d124ea2 5694 if (info->attrs[NL80211_ATTR_PEER_AID])
5e4b6f56 5695 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
3d124ea2
JM		 5696 else
5697 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
51b50fbe 5698
9d62a986
JM		 5699 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
5700 params.capability =
5701 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
5702 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
5703 }
5704
5705 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
5706 params.ext_capab =
5707 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
5708 params.ext_capab_len =
5709 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
5710 }
5711
36aedc90
JM		 5712 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
5713 params.ht_capa =
5714 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
5727ef1b 5715
f461be3e
MP		 5716 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
5717 params.vht_capa =
5718 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
5719
c4cbaf79
LC		 5720 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
5721 params.he_capa =
5722 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
5723 params.he_capa_len =
5724 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
5725
5726 /* max len is validated in nla policy */
5727 if (params.he_capa_len < NL80211_HE_MIN_CAPABILITY_LEN)
5728 return -EINVAL;
5729 }
5730
60f4a7b1
MK		 5731 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
5732 params.opmode_notif_used = true;
5733 params.opmode_notif =
5734 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
5735 }
5736
ab0d76f6 5737 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
96b78dff 5738 params.plink_action =
f8bacc21 5739 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
96b78dff 5740
36647055
THJ		 5741 if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
5742 params.airtime_weight =
5743 nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
5744
5745 if (params.airtime_weight &&
5746 !wiphy_ext_feature_isset(&rdev->wiphy,
5747 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
5748 return -EOPNOTSUPP;
5749
e96d1cd2
ARN		 5750 err = nl80211_parse_sta_txpower_setting(info, &params);
5751 if (err)
5752 return err;
5753
c01fc9ad
SD		 5754 err = nl80211_parse_sta_channel_info(info, &params);
5755 if (err)
5756 return err;
5757
ff276691
JB		 5758 err = nl80211_parse_sta_wme(info, &params);
5759 if (err)
5760 return err;
bdd90d5e 5761
bdd3ae3d 5762 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, &params))
5727ef1b
JB		 5763 return -EINVAL;
5764
496fcc29
JB		 5765 /* HT/VHT requires QoS, but if we don't have that just ignore HT/VHT
5766 * as userspace might just pass through the capabilities from the IEs
5767 * directly, rather than enforcing this restriction and returning an
5768 * error in this case.
5769 */
5770 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) {
5771 params.ht_capa = NULL;
5772 params.vht_capa = NULL;
c4cbaf79
LC		 5773
5774 /* HE requires WME */
5775 if (params.he_capa_len)
5776 return -EINVAL;
496fcc29
JB		 5777 }
5778
77ee7c89
JB		 5779 /* When you run into this, adjust the code below for the new flag */
5780 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
5781
bdd90d5e
JB		 5782 switch (dev->ieee80211_ptr->iftype) {
5783 case NL80211_IFTYPE_AP:
5784 case NL80211_IFTYPE_AP_VLAN:
5785 case NL80211_IFTYPE_P2P_GO:
984c311b
JB		 5786 /* ignore WME attributes if iface/sta is not capable */
5787 if (!(rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) ||
5788 !(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME)))
5789 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
c75786c9 5790
bdd90d5e 5791 /* TDLS peers cannot be added */
3d124ea2
JM		 5792 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
5793 info->attrs[NL80211_ATTR_PEER_AID])
4319e193 5794 return -EINVAL;
bdd90d5e
JB		 5795 /* but don't bother the driver with it */
5796 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
3b9ce80c 5797
d582cffb
JB		 5798 /* allow authenticated/associated only if driver handles it */
5799 if (!(rdev->wiphy.features &
5800 NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
bda95eb1 5801 params.sta_flags_mask & auth_assoc)
d582cffb
JB		 5802 return -EINVAL;
5803
bda95eb1
JB		 5804 /* Older userspace, or userspace wanting to be compatible with
5805 * !NL80211_FEATURE_FULL_AP_CLIENT_STATE, will not set the auth
5806 * and assoc flags in the mask, but assumes the station will be
5807 * added as associated anyway since this was the required driver
5808 * behaviour before NL80211_FEATURE_FULL_AP_CLIENT_STATE was
5809 * introduced.
5810 * In order to not bother drivers with this quirk in the API
5811 * set the flags in both the mask and set for new stations in
5812 * this case.
5813 */
5814 if (!(params.sta_flags_mask & auth_assoc)) {
5815 params.sta_flags_mask |= auth_assoc;
5816 params.sta_flags_set |= auth_assoc;
5817 }
5818
bdd90d5e
JB		 5819 /* must be last in here for error handling */
5820 params.vlan = get_vlan(info, rdev);
5821 if (IS_ERR(params.vlan))
5822 return PTR_ERR(params.vlan);
5823 break;
5824 case NL80211_IFTYPE_MESH_POINT:
984c311b
JB		 5825 /* ignore uAPSD data */
5826 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
5827
d582cffb
JB		 5828 /* associated is disallowed */
5829 if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED))
5830 return -EINVAL;
bdd90d5e 5831 /* TDLS peers cannot be added */
3d124ea2
JM		 5832 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
5833 info->attrs[NL80211_ATTR_PEER_AID])
bdd90d5e
JB		 5834 return -EINVAL;
5835 break;
5836 case NL80211_IFTYPE_STATION:
93d08f0b 5837 case NL80211_IFTYPE_P2P_CLIENT:
984c311b
JB		 5838 /* ignore uAPSD data */
5839 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
5840
77ee7c89
JB		 5841 /* these are disallowed */
5842 if (params.sta_flags_mask &
5843 (BIT(NL80211_STA_FLAG_ASSOCIATED) |
5844 BIT(NL80211_STA_FLAG_AUTHENTICATED)))
d582cffb 5845 return -EINVAL;
bdd90d5e
JB		 5846 /* Only TDLS peers can be added */
5847 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
5848 return -EINVAL;
5849 /* Can only add if TDLS ... */
5850 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS))
5851 return -EOPNOTSUPP;
5852 /* ... with external setup is supported */
5853 if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
5854 return -EOPNOTSUPP;
77ee7c89
JB		 5855 /*
5856 * Older wpa_supplicant versions always mark the TDLS peer
5857 * as authorized, but it shouldn't yet be.
5858 */
5859 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_AUTHORIZED);
bdd90d5e
JB		 5860 break;
5861 default:
5862 return -EOPNOTSUPP;
c75786c9
EP		 5863 }
5864
bdd90d5e 5865 /* be aware of params.vlan when changing code here */
5727ef1b 5866
e35e4d28 5867 err = rdev_add_station(rdev, dev, mac_addr, &params);
5727ef1b 5868
5727ef1b
JB		 5869 if (params.vlan)
5870 dev_put(params.vlan);
5727ef1b
JB		 5871 return err;
5872}
5873
5874static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info)
5875{
4c476991
JB		 5876 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5877 struct net_device *dev = info->user_ptr[1];
89c771e5
JM		 5878 struct station_del_parameters params;
5879
5880 memset(&params, 0, sizeof(params));
5727ef1b
JB		 5881
5882 if (info->attrs[NL80211_ATTR_MAC])
89c771e5 5883 params.mac = nla_data(info->attrs[NL80211_ATTR_MAC]);
5727ef1b 5884
e80cf853 5885 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
d5d9de02 5886 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
074ac8df 5887 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
4c476991
JB		 5888 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5889 return -EINVAL;
5727ef1b 5890
4c476991
JB		 5891 if (!rdev->ops->del_station)
5892 return -EOPNOTSUPP;
3b85875a 5893
98856866
JM		 5894 if (info->attrs[NL80211_ATTR_MGMT_SUBTYPE]) {
5895 params.subtype =
5896 nla_get_u8(info->attrs[NL80211_ATTR_MGMT_SUBTYPE]);
5897 if (params.subtype != IEEE80211_STYPE_DISASSOC >> 4 &&
5898 params.subtype != IEEE80211_STYPE_DEAUTH >> 4)
5899 return -EINVAL;
5900 } else {
5901 /* Default to Deauthentication frame */
5902 params.subtype = IEEE80211_STYPE_DEAUTH >> 4;
5903 }
5904
5905 if (info->attrs[NL80211_ATTR_REASON_CODE]) {
5906 params.reason_code =
5907 nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
5908 if (params.reason_code == 0)
5909 return -EINVAL; /* 0 is reserved */
5910 } else {
5911 /* Default to reason code 2 */
5912 params.reason_code = WLAN_REASON_PREV_AUTH_NOT_VALID;
5913 }
5914
89c771e5 5915 return rdev_del_station(rdev, dev, &params);
5727ef1b
JB		 5916}
5917
15e47304 5918static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq,
2ec600d6
LCC		 5919 int flags, struct net_device *dev,
5920 u8 *dst, u8 *next_hop,
5921 struct mpath_info *pinfo)
5922{
5923 void *hdr;
5924 struct nlattr *pinfoattr;
5925
1ef4c850 5926 hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_MPATH);
2ec600d6
LCC		 5927 if (!hdr)
5928 return -1;
5929
9360ffd1
DM		 5930 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
5931 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
5932 nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) ||
5933 nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation))
5934 goto nla_put_failure;
f5ea9120 5935
ae0be8de 5936 pinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_MPATH_INFO);
2ec600d6
LCC		 5937 if (!pinfoattr)
5938 goto nla_put_failure;
9360ffd1
DM		 5939 if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) &&
5940 nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN,
5941 pinfo->frame_qlen))
5942 goto nla_put_failure;
5943 if (((pinfo->filled & MPATH_INFO_SN) &&
5944 nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) ||
5945 ((pinfo->filled & MPATH_INFO_METRIC) &&
5946 nla_put_u32(msg, NL80211_MPATH_INFO_METRIC,
5947 pinfo->metric)) ||
5948 ((pinfo->filled & MPATH_INFO_EXPTIME) &&
5949 nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME,
5950 pinfo->exptime)) ||
5951 ((pinfo->filled & MPATH_INFO_FLAGS) &&
5952 nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS,
5953 pinfo->flags)) ||
5954 ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) &&
5955 nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT,
5956 pinfo->discovery_timeout)) ||
5957 ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) &&
5958 nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES,
cc241636
JH		 5959 pinfo->discovery_retries)) ||
5960 ((pinfo->filled & MPATH_INFO_HOP_COUNT) &&
5961 nla_put_u8(msg, NL80211_MPATH_INFO_HOP_COUNT,
540bbcb9
JH		 5962 pinfo->hop_count)) ||
5963 ((pinfo->filled & MPATH_INFO_PATH_CHANGE) &&
5964 nla_put_u32(msg, NL80211_MPATH_INFO_PATH_CHANGE,
5965 pinfo->path_change_count)))
9360ffd1 5966 goto nla_put_failure;
2ec600d6
LCC		 5967
5968 nla_nest_end(msg, pinfoattr);
5969
053c095a
JB		 5970 genlmsg_end(msg, hdr);
5971 return 0;
2ec600d6
LCC		 5972
5973 nla_put_failure:
bc3ed28c
TG		 5974 genlmsg_cancel(msg, hdr);
5975 return -EMSGSIZE;
2ec600d6
LCC		 5976}
5977
5978static int nl80211_dump_mpath(struct sk_buff *skb,
bba95fef 5979 struct netlink_callback *cb)
2ec600d6 5980{
2ec600d6 5981 struct mpath_info pinfo;
1b8ec87a 5982 struct cfg80211_registered_device *rdev;
97990a06 5983 struct wireless_dev *wdev;
2ec600d6
LCC		 5984 u8 dst[ETH_ALEN];
5985 u8 next_hop[ETH_ALEN];
97990a06 5986 int path_idx = cb->args[2];
2ec600d6 5987 int err;
2ec600d6 5988
ea90e0dc 5989 rtnl_lock();
5297c65c 5990 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
67748893 5991 if (err)
ea90e0dc 5992 goto out_err;
bba95fef 5993
1b8ec87a 5994 if (!rdev->ops->dump_mpath) {
eec60b03 5995 err = -EOPNOTSUPP;
bba95fef
JB		 5996 goto out_err;
5997 }
5998
97990a06 5999 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
eec60b03 6000 err = -EOPNOTSUPP;
0448b5fc 6001 goto out_err;
eec60b03
JM		 6002 }
6003
bba95fef 6004 while (1) {
1b8ec87a 6005 err = rdev_dump_mpath(rdev, wdev->netdev, path_idx, dst,
97990a06 6006 next_hop, &pinfo);
bba95fef 6007 if (err == -ENOENT)
2ec600d6 6008 break;
bba95fef 6009 if (err)
3b85875a 6010 goto out_err;
2ec600d6 6011
15e47304 6012 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
bba95fef 6013 cb->nlh->nlmsg_seq, NLM_F_MULTI,
97990a06 6014 wdev->netdev, dst, next_hop,
bba95fef
JB		 6015 &pinfo) < 0)
6016 goto out;
2ec600d6 6017
bba95fef 6018 path_idx++;
2ec600d6 6019 }
2ec600d6 6020
bba95fef 6021 out:
97990a06 6022 cb->args[2] = path_idx;
bba95fef 6023 err = skb->len;
bba95fef 6024 out_err:
ea90e0dc 6025 rtnl_unlock();
bba95fef 6026 return err;
2ec600d6
LCC		 6027}
6028
6029static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info)
6030{
4c476991 6031 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2ec600d6 6032 int err;
4c476991 6033 struct net_device *dev = info->user_ptr[1];
2ec600d6
LCC		 6034 struct mpath_info pinfo;
6035 struct sk_buff *msg;
6036 u8 *dst = NULL;
6037 u8 next_hop[ETH_ALEN];
6038
6039 memset(&pinfo, 0, sizeof(pinfo));
6040
6041 if (!info->attrs[NL80211_ATTR_MAC])
6042 return -EINVAL;
6043
6044 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6045
4c476991
JB		 6046 if (!rdev->ops->get_mpath)
6047 return -EOPNOTSUPP;
2ec600d6 6048
4c476991
JB		 6049 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6050 return -EOPNOTSUPP;
eec60b03 6051
e35e4d28 6052 err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo);
2ec600d6 6053 if (err)
4c476991 6054 return err;
2ec600d6 6055
fd2120ca 6056 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
2ec600d6 6057 if (!msg)
4c476991 6058 return -ENOMEM;
2ec600d6 6059
15e47304 6060 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
4c476991
JB		 6061 dev, dst, next_hop, &pinfo) < 0) {
6062 nlmsg_free(msg);
6063 return -ENOBUFS;
6064 }
3b85875a 6065
4c476991 6066 return genlmsg_reply(msg, info);
2ec600d6
LCC		 6067}
6068
6069static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info)
6070{
4c476991
JB		 6071 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6072 struct net_device *dev = info->user_ptr[1];
2ec600d6
LCC		 6073 u8 *dst = NULL;
6074 u8 *next_hop = NULL;
6075
6076 if (!info->attrs[NL80211_ATTR_MAC])
6077 return -EINVAL;
6078
6079 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
6080 return -EINVAL;
6081
6082 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6083 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
6084
4c476991
JB		 6085 if (!rdev->ops->change_mpath)
6086 return -EOPNOTSUPP;
35a8efe1 6087
4c476991
JB		 6088 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6089 return -EOPNOTSUPP;
2ec600d6 6090
e35e4d28 6091 return rdev_change_mpath(rdev, dev, dst, next_hop);
2ec600d6 6092}
4c476991 6093
2ec600d6
LCC		 6094static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info)
6095{
4c476991
JB		 6096 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6097 struct net_device *dev = info->user_ptr[1];
2ec600d6
LCC		 6098 u8 *dst = NULL;
6099 u8 *next_hop = NULL;
6100
6101 if (!info->attrs[NL80211_ATTR_MAC])
6102 return -EINVAL;
6103
6104 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
6105 return -EINVAL;
6106
6107 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6108 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
6109
4c476991
JB		 6110 if (!rdev->ops->add_mpath)
6111 return -EOPNOTSUPP;
35a8efe1 6112
4c476991
JB		 6113 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6114 return -EOPNOTSUPP;
2ec600d6 6115
e35e4d28 6116 return rdev_add_mpath(rdev, dev, dst, next_hop);
2ec600d6
LCC		 6117}
6118
6119static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info)
6120{
4c476991
JB		 6121 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6122 struct net_device *dev = info->user_ptr[1];
2ec600d6
LCC		 6123 u8 *dst = NULL;
6124
6125 if (info->attrs[NL80211_ATTR_MAC])
6126 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6127
4c476991
JB		 6128 if (!rdev->ops->del_mpath)
6129 return -EOPNOTSUPP;
3b85875a 6130
e35e4d28 6131 return rdev_del_mpath(rdev, dev, dst);
2ec600d6
LCC		 6132}
6133
66be7d2b
HR		 6134static int nl80211_get_mpp(struct sk_buff *skb, struct genl_info *info)
6135{
6136 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6137 int err;
6138 struct net_device *dev = info->user_ptr[1];
6139 struct mpath_info pinfo;
6140 struct sk_buff *msg;
6141 u8 *dst = NULL;
6142 u8 mpp[ETH_ALEN];
6143
6144 memset(&pinfo, 0, sizeof(pinfo));
6145
6146 if (!info->attrs[NL80211_ATTR_MAC])
6147 return -EINVAL;
6148
6149 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6150
6151 if (!rdev->ops->get_mpp)
6152 return -EOPNOTSUPP;
6153
6154 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6155 return -EOPNOTSUPP;
6156
6157 err = rdev_get_mpp(rdev, dev, dst, mpp, &pinfo);
6158 if (err)
6159 return err;
6160
6161 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6162 if (!msg)
6163 return -ENOMEM;
6164
6165 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
6166 dev, dst, mpp, &pinfo) < 0) {
6167 nlmsg_free(msg);
6168 return -ENOBUFS;
6169 }
6170
6171 return genlmsg_reply(msg, info);
6172}
6173
6174static int nl80211_dump_mpp(struct sk_buff *skb,
6175 struct netlink_callback *cb)
6176{
6177 struct mpath_info pinfo;
6178 struct cfg80211_registered_device *rdev;
6179 struct wireless_dev *wdev;
6180 u8 dst[ETH_ALEN];
6181 u8 mpp[ETH_ALEN];
6182 int path_idx = cb->args[2];
6183 int err;
6184
ea90e0dc 6185 rtnl_lock();
5297c65c 6186 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
66be7d2b 6187 if (err)
ea90e0dc 6188 goto out_err;
66be7d2b
HR		 6189
6190 if (!rdev->ops->dump_mpp) {
6191 err = -EOPNOTSUPP;
6192 goto out_err;
6193 }
6194
6195 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
6196 err = -EOPNOTSUPP;
6197 goto out_err;
6198 }
6199
6200 while (1) {
6201 err = rdev_dump_mpp(rdev, wdev->netdev, path_idx, dst,
6202 mpp, &pinfo);
6203 if (err == -ENOENT)
6204 break;
6205 if (err)
6206 goto out_err;
6207
6208 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
6209 cb->nlh->nlmsg_seq, NLM_F_MULTI,
6210 wdev->netdev, dst, mpp,
6211 &pinfo) < 0)
6212 goto out;
6213
6214 path_idx++;
6215 }
6216
6217 out:
6218 cb->args[2] = path_idx;
6219 err = skb->len;
6220 out_err:
ea90e0dc 6221 rtnl_unlock();
66be7d2b
HR		 6222 return err;
6223}
6224
9f1ba906
JM		 6225static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
6226{
4c476991
JB		 6227 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6228 struct net_device *dev = info->user_ptr[1];
c56589ed 6229 struct wireless_dev *wdev = dev->ieee80211_ptr;
9f1ba906 6230 struct bss_parameters params;
c56589ed 6231 int err;
9f1ba906
JM		 6232
6233 memset(&params, 0, sizeof(params));
6234 /* default to not changing parameters */
6235 params.use_cts_prot = -1;
6236 params.use_short_preamble = -1;
6237 params.use_short_slot_time = -1;
fd8aaaf3 6238 params.ap_isolate = -1;
50b12f59 6239 params.ht_opmode = -1;
53cabad7
JB		 6240 params.p2p_ctwindow = -1;
6241 params.p2p_opp_ps = -1;
9f1ba906
JM		 6242
6243 if (info->attrs[NL80211_ATTR_BSS_CTS_PROT])
6244 params.use_cts_prot =
6245 nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]);
6246 if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE])
6247 params.use_short_preamble =
6248 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]);
6249 if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME])
6250 params.use_short_slot_time =
6251 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]);
90c97a04
JM		 6252 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
6253 params.basic_rates =
6254 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
6255 params.basic_rates_len =
6256 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
6257 }
fd8aaaf3
FF		 6258 if (info->attrs[NL80211_ATTR_AP_ISOLATE])
6259 params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]);
50b12f59
HS		 6260 if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE])
6261 params.ht_opmode =
6262 nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]);
9f1ba906 6263
53cabad7
JB		 6264 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
6265 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
6266 return -EINVAL;
6267 params.p2p_ctwindow =
ab0d76f6 6268 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
53cabad7
JB		 6269 if (params.p2p_ctwindow != 0 &&
6270 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
6271 return -EINVAL;
6272 }
6273
6274 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
6275 u8 tmp;
6276
6277 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
6278 return -EINVAL;
6279 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
53cabad7
JB		 6280 params.p2p_opp_ps = tmp;
6281 if (params.p2p_opp_ps &&
6282 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
6283 return -EINVAL;
6284 }
6285
4c476991
JB		 6286 if (!rdev->ops->change_bss)
6287 return -EOPNOTSUPP;
9f1ba906 6288
074ac8df 6289 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4c476991
JB		 6290 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
6291 return -EOPNOTSUPP;
3b85875a 6292
c56589ed
SW		 6293 wdev_lock(wdev);
6294 err = rdev_change_bss(rdev, dev, &params);
6295 wdev_unlock(wdev);
6296
6297 return err;
9f1ba906
JM		 6298}
6299
b2e1b302
LR		 6300static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
6301{
b2e1b302 6302 char *data = NULL;
05050753 6303 bool is_indoor;
57b5ce07 6304 enum nl80211_user_reg_hint_type user_reg_hint_type;
05050753
I		 6305 u32 owner_nlportid;
6306
80778f18
LR		 6307 /*
6308 * You should only get this when cfg80211 hasn't yet initialized
6309 * completely when built-in to the kernel right between the time
6310 * window between nl80211_init() and regulatory_init(), if that is
6311 * even possible.
6312 */
458f4f9e 6313 if (unlikely(!rcu_access_pointer(cfg80211_regdomain)))
fe33eb39 6314 return -EINPROGRESS;
80778f18 6315
57b5ce07
LR		 6316 if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE])
6317 user_reg_hint_type =
6318 nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]);
6319 else
6320 user_reg_hint_type = NL80211_USER_REG_HINT_USER;
6321
6322 switch (user_reg_hint_type) {
6323 case NL80211_USER_REG_HINT_USER:
6324 case NL80211_USER_REG_HINT_CELL_BASE:
52616f2b
IP		 6325 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
6326 return -EINVAL;
6327
6328 data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
6329 return regulatory_hint_user(data, user_reg_hint_type);
6330 case NL80211_USER_REG_HINT_INDOOR:
05050753
I		 6331 if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
6332 owner_nlportid = info->snd_portid;
6333 is_indoor = !!info->attrs[NL80211_ATTR_REG_INDOOR];
6334 } else {
6335 owner_nlportid = 0;
6336 is_indoor = true;
6337 }
6338
6339 return regulatory_hint_indoor(is_indoor, owner_nlportid);
57b5ce07
LR		 6340 default:
6341 return -EINVAL;
6342 }
b2e1b302
LR		 6343}
6344
1ea4ff3e
JB		 6345static int nl80211_reload_regdb(struct sk_buff *skb, struct genl_info *info)
6346{
6347 return reg_reload_regdb();
6348}
6349
24bdd9f4 6350static int nl80211_get_mesh_config(struct sk_buff *skb,
29cbe68c 6351 struct genl_info *info)
93da9cc1 6352{
4c476991 6353 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4c476991 6354 struct net_device *dev = info->user_ptr[1];
29cbe68c
JB		 6355 struct wireless_dev *wdev = dev->ieee80211_ptr;
6356 struct mesh_config cur_params;
6357 int err = 0;
93da9cc1 6358 void *hdr;
6359 struct nlattr *pinfoattr;
6360 struct sk_buff *msg;
6361
29cbe68c
JB		 6362 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
6363 return -EOPNOTSUPP;
6364
24bdd9f4 6365 if (!rdev->ops->get_mesh_config)
4c476991 6366 return -EOPNOTSUPP;
f3f92586 6367
29cbe68c
JB		 6368 wdev_lock(wdev);
6369 /* If not connected, get default parameters */
6370 if (!wdev->mesh_id_len)
6371 memcpy(&cur_params, &default_mesh_config, sizeof(cur_params));
6372 else
e35e4d28 6373 err = rdev_get_mesh_config(rdev, dev, &cur_params);
29cbe68c
JB		 6374 wdev_unlock(wdev);
6375
93da9cc1 6376 if (err)
4c476991 6377 return err;
93da9cc1 6378
6379 /* Draw up a netlink message to send back */
fd2120ca 6380 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4c476991
JB		 6381 if (!msg)
6382 return -ENOMEM;
15e47304 6383 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
24bdd9f4 6384 NL80211_CMD_GET_MESH_CONFIG);
93da9cc1 6385 if (!hdr)
efe1cf0c 6386 goto out;
ae0be8de 6387 pinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_MESH_CONFIG);
93da9cc1 6388 if (!pinfoattr)
6389 goto nla_put_failure;
9360ffd1
DM		 6390 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
6391 nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT,
6392 cur_params.dot11MeshRetryTimeout) ||
6393 nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT,
6394 cur_params.dot11MeshConfirmTimeout) ||
6395 nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT,
6396 cur_params.dot11MeshHoldingTimeout) ||
6397 nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
6398 cur_params.dot11MeshMaxPeerLinks) ||
6399 nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES,
6400 cur_params.dot11MeshMaxRetries) ||
6401 nla_put_u8(msg, NL80211_MESHCONF_TTL,
6402 cur_params.dot11MeshTTL) ||
6403 nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL,
6404 cur_params.element_ttl) ||
6405 nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
6406 cur_params.auto_open_plinks) ||
7eab0f64
JL		 6407 nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
6408 cur_params.dot11MeshNbrOffsetMaxNeighbor) ||
9360ffd1
DM		 6409 nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
6410 cur_params.dot11MeshHWMPmaxPREQretries) ||
6411 nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME,
6412 cur_params.path_refresh_time) ||
6413 nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
6414 cur_params.min_discovery_timeout) ||
6415 nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
6416 cur_params.dot11MeshHWMPactivePathTimeout) ||
6417 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
6418 cur_params.dot11MeshHWMPpreqMinInterval) ||
6419 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
6420 cur_params.dot11MeshHWMPperrMinInterval) ||
6421 nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
6422 cur_params.dot11MeshHWMPnetDiameterTraversalTime) ||
6423 nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE,
6424 cur_params.dot11MeshHWMPRootMode) ||
6425 nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL,
6426 cur_params.dot11MeshHWMPRannInterval) ||
6427 nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
6428 cur_params.dot11MeshGateAnnouncementProtocol) ||
6429 nla_put_u8(msg, NL80211_MESHCONF_FORWARDING,
6430 cur_params.dot11MeshForwarding) ||
335d5349 6431 nla_put_s32(msg, NL80211_MESHCONF_RSSI_THRESHOLD,
70c33eaa
AN		 6432 cur_params.rssi_threshold) ||
6433 nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE,
ac1073a6
CYY		 6434 cur_params.ht_opmode) ||
6435 nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
6436 cur_params.dot11MeshHWMPactivePathToRootTimeout) ||
6437 nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
728b19e5
CYY		 6438 cur_params.dot11MeshHWMProotInterval) ||
6439 nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
3b1c5a53
MP		 6440 cur_params.dot11MeshHWMPconfirmationInterval) ||
6441 nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE,
6442 cur_params.power_mode) ||
6443 nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW,
8e7c0538
CT		 6444 cur_params.dot11MeshAwakeWindowDuration) ||
6445 nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT,
01d66fbd
BC		 6446 cur_params.plink_timeout) ||
6447 nla_put_u8(msg, NL80211_MESHCONF_CONNECTED_TO_GATE,
6448 cur_params.dot11MeshConnectedToMeshGate))
9360ffd1 6449 goto nla_put_failure;
93da9cc1 6450 nla_nest_end(msg, pinfoattr);
6451 genlmsg_end(msg, hdr);
4c476991 6452 return genlmsg_reply(msg, info);
93da9cc1 6453
3b85875a 6454 nla_put_failure:
efe1cf0c 6455 out:
d080e275 6456 nlmsg_free(msg);
4c476991 6457 return -ENOBUFS;
93da9cc1 6458}
6459
ab0d76f6
JB		 6460static const struct nla_policy
6461nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = {
6462 [NL80211_MESHCONF_RETRY_TIMEOUT] =
6463 NLA_POLICY_RANGE(NLA_U16, 1, 255),
6464 [NL80211_MESHCONF_CONFIRM_TIMEOUT] =
6465 NLA_POLICY_RANGE(NLA_U16, 1, 255),
6466 [NL80211_MESHCONF_HOLDING_TIMEOUT] =
6467 NLA_POLICY_RANGE(NLA_U16, 1, 255),
6468 [NL80211_MESHCONF_MAX_PEER_LINKS] =
6469 NLA_POLICY_RANGE(NLA_U16, 0, 255),
6470 [NL80211_MESHCONF_MAX_RETRIES] = NLA_POLICY_MAX(NLA_U8, 16),
6471 [NL80211_MESHCONF_TTL] = NLA_POLICY_MIN(NLA_U8, 1),
6472 [NL80211_MESHCONF_ELEMENT_TTL] = NLA_POLICY_MIN(NLA_U8, 1),
6473 [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = NLA_POLICY_MAX(NLA_U8, 1),
6474 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] =
6475 NLA_POLICY_RANGE(NLA_U32, 1, 255),
93da9cc1 6476 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 },
6477 [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 },
ab0d76f6 6478 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = NLA_POLICY_MIN(NLA_U16, 1),
93da9cc1 6479 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 },
ab0d76f6
JB		 6480 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] =
6481 NLA_POLICY_MIN(NLA_U16, 1),
6482 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] =
6483 NLA_POLICY_MIN(NLA_U16, 1),
6484 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] =
6485 NLA_POLICY_MIN(NLA_U16, 1),
6486 [NL80211_MESHCONF_HWMP_ROOTMODE] = NLA_POLICY_MAX(NLA_U8, 4),
6487 [NL80211_MESHCONF_HWMP_RANN_INTERVAL] =
6488 NLA_POLICY_MIN(NLA_U16, 1),
6489 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = NLA_POLICY_MAX(NLA_U8, 1),
6490 [NL80211_MESHCONF_FORWARDING] = NLA_POLICY_MAX(NLA_U8, 1),
6491 [NL80211_MESHCONF_RSSI_THRESHOLD] =
6492 NLA_POLICY_RANGE(NLA_S32, -255, 0),
a4f606ea 6493 [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 },
ac1073a6 6494 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 },
ab0d76f6
JB		 6495 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] =
6496 NLA_POLICY_MIN(NLA_U16, 1),
6497 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] =
6498 NLA_POLICY_MIN(NLA_U16, 1),
6499 [NL80211_MESHCONF_POWER_MODE] =
6500 NLA_POLICY_RANGE(NLA_U32,
6501 NL80211_MESH_POWER_ACTIVE,
6502 NL80211_MESH_POWER_MAX),
3b1c5a53 6503 [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 },
8e7c0538 6504 [NL80211_MESHCONF_PLINK_TIMEOUT] = { .type = NLA_U32 },
01d66fbd 6505 [NL80211_MESHCONF_CONNECTED_TO_GATE] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
93da9cc1 6506};
6507
c80d545d
JC		 6508static const struct nla_policy
6509 nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = {
d299a1f2 6510 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 },
c80d545d
JC		 6511 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 },
6512 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 },
15d5dda6 6513 [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG },
6e16d90b 6514 [NL80211_MESH_SETUP_AUTH_PROTOCOL] = { .type = NLA_U8 },
bb2798d4 6515 [NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG },
3d7af878
JB		 6516 [NL80211_MESH_SETUP_IE] =
6517 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
6518 IEEE80211_MAX_DATA_LEN),
b130e5ce 6519 [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG },
c80d545d
JC		 6520};
6521
24bdd9f4 6522static int nl80211_parse_mesh_config(struct genl_info *info,
bd90fdcc
JB		 6523 struct mesh_config *cfg,
6524 u32 *mask_out)
93da9cc1 6525{
93da9cc1 6526 struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1];
bd90fdcc 6527 u32 mask = 0;
9757235f 6528 u16 ht_opmode;
93da9cc1 6529
ab0d76f6
JB		 6530#define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, mask, attr, fn) \
6531do { \
6532 if (tb[attr]) { \
6533 cfg->param = fn(tb[attr]); \
6534 mask |= BIT((attr) - 1); \
6535 } \
ea54fba2 6536} while (0)
bd90fdcc 6537
24bdd9f4 6538 if (!info->attrs[NL80211_ATTR_MESH_CONFIG])
93da9cc1 6539 return -EINVAL;
8cb08174 6540 if (nla_parse_nested_deprecated(tb, NL80211_MESHCONF_ATTR_MAX, info->attrs[NL80211_ATTR_MESH_CONFIG], nl80211_meshconf_params_policy, info->extack))
93da9cc1 6541 return -EINVAL;
6542
93da9cc1 6543 /* This makes sure that there aren't more than 32 mesh config
6544 * parameters (otherwise our bitfield scheme would not work.) */
6545 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32);
6546
6547 /* Fill in the params struct */
ab0d76f6
JB		 6548 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, mask,
6549 NL80211_MESHCONF_RETRY_TIMEOUT, nla_get_u16);
6550 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, mask,
6551 NL80211_MESHCONF_CONFIRM_TIMEOUT,
6552 nla_get_u16);
6553 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, mask,
6554 NL80211_MESHCONF_HOLDING_TIMEOUT,
6555 nla_get_u16);
6556 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, mask,
6557 NL80211_MESHCONF_MAX_PEER_LINKS,
6558 nla_get_u16);
6559 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, mask,
6560 NL80211_MESHCONF_MAX_RETRIES, nla_get_u8);
6561 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, mask,
6562 NL80211_MESHCONF_TTL, nla_get_u8);
6563 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, mask,
6564 NL80211_MESHCONF_ELEMENT_TTL, nla_get_u8);
6565 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, mask,
6566 NL80211_MESHCONF_AUTO_OPEN_PLINKS,
6567 nla_get_u8);
ea54fba2 6568 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor,
ab0d76f6 6569 mask,
a4f606ea 6570 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
ab0d76f6
JB		 6571 nla_get_u32);
6572 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, mask,
6573 NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
6574 nla_get_u8);
6575 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, mask,
6576 NL80211_MESHCONF_PATH_REFRESH_TIME,
6577 nla_get_u32);
6578 if (mask & BIT(NL80211_MESHCONF_PATH_REFRESH_TIME) &&
6579 (cfg->path_refresh_time < 1 || cfg->path_refresh_time > 65535))
6580 return -EINVAL;
6581 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, mask,
6582 NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
6583 nla_get_u16);
ea54fba2 6584 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout,
ab0d76f6 6585 mask,
a4f606ea 6586 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
ab0d76f6
JB		 6587 nla_get_u32);
6588 if (mask & BIT(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT) &&
6589 (cfg->dot11MeshHWMPactivePathTimeout < 1 ||
6590 cfg->dot11MeshHWMPactivePathTimeout > 65535))
6591 return -EINVAL;
6592 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, mask,
ea54fba2 6593 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
ab0d76f6
JB		 6594 nla_get_u16);
6595 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval, mask,
ea54fba2 6596 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
ab0d76f6 6597 nla_get_u16);
93da9cc1 6598 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
ab0d76f6 6599 dot11MeshHWMPnetDiameterTraversalTime, mask,
a4f606ea 6600 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
ab0d76f6
JB		 6601 nla_get_u16);
6602 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, mask,
6603 NL80211_MESHCONF_HWMP_ROOTMODE, nla_get_u8);
6604 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, mask,
6605 NL80211_MESHCONF_HWMP_RANN_INTERVAL,
6606 nla_get_u16);
6607 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshGateAnnouncementProtocol,
ea54fba2 6608 mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
ab0d76f6
JB		 6609 nla_get_u8);
6610 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, mask,
6611 NL80211_MESHCONF_FORWARDING, nla_get_u8);
6612 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, mask,
6613 NL80211_MESHCONF_RSSI_THRESHOLD,
6614 nla_get_s32);
01d66fbd
BC		 6615 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConnectedToMeshGate, mask,
6616 NL80211_MESHCONF_CONNECTED_TO_GATE,
6617 nla_get_u8);
9757235f
MH		 6618 /*
6619 * Check HT operation mode based on
188f60ab 6620 * IEEE 802.11-2016 9.4.2.57 HT Operation element.
9757235f
MH		 6621 */
6622 if (tb[NL80211_MESHCONF_HT_OPMODE]) {
6623 ht_opmode = nla_get_u16(tb[NL80211_MESHCONF_HT_OPMODE]);
6624
6625 if (ht_opmode & ~(IEEE80211_HT_OP_MODE_PROTECTION |
6626 IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT |
6627 IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT))
6628 return -EINVAL;
6629
188f60ab
BC		 6630 /* NON_HT_STA bit is reserved, but some programs set it */
6631 ht_opmode &= ~IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT;
9757235f 6632
9757235f 6633 cfg->ht_opmode = ht_opmode;
fd551bac 6634 mask |= (1 << (NL80211_MESHCONF_HT_OPMODE - 1));
9757235f 6635 }
728b19e5 6636 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
ab0d76f6
JB		 6637 dot11MeshHWMPactivePathToRootTimeout, mask,
6638 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
6639 nla_get_u32);
6640 if (mask & BIT(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT) &&
6641 (cfg->dot11MeshHWMPactivePathToRootTimeout < 1 ||
6642 cfg->dot11MeshHWMPactivePathToRootTimeout > 65535))
6643 return -EINVAL;
6644 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, mask,
6645 NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
6646 nla_get_u16);
6647 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPconfirmationInterval,
6648 mask,
728b19e5 6649 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
ab0d76f6
JB		 6650 nla_get_u16);
6651 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode, mask,
6652 NL80211_MESHCONF_POWER_MODE, nla_get_u32);
6653 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration, mask,
6654 NL80211_MESHCONF_AWAKE_WINDOW, nla_get_u16);
6655 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, plink_timeout, mask,
6656 NL80211_MESHCONF_PLINK_TIMEOUT, nla_get_u32);
bd90fdcc
JB		 6657 if (mask_out)
6658 *mask_out = mask;
c80d545d 6659
bd90fdcc
JB		 6660 return 0;
6661
6662#undef FILL_IN_MESH_PARAM_IF_SET
6663}
6664
c80d545d
JC		 6665static int nl80211_parse_mesh_setup(struct genl_info *info,
6666 struct mesh_setup *setup)
6667{
bb2798d4 6668 struct cfg80211_registered_device *rdev = info->user_ptr[0];
c80d545d
JC		 6669 struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1];
6670
6671 if (!info->attrs[NL80211_ATTR_MESH_SETUP])
6672 return -EINVAL;
8cb08174 6673 if (nla_parse_nested_deprecated(tb, NL80211_MESH_SETUP_ATTR_MAX, info->attrs[NL80211_ATTR_MESH_SETUP], nl80211_mesh_setup_params_policy, info->extack))
c80d545d
JC		 6674 return -EINVAL;
6675
d299a1f2
JC		 6676 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])
6677 setup->sync_method =
6678 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ?
6679 IEEE80211_SYNC_METHOD_VENDOR :
6680 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET;
6681
c80d545d
JC		 6682 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])
6683 setup->path_sel_proto =
6684 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ?
6685 IEEE80211_PATH_PROTOCOL_VENDOR :
6686 IEEE80211_PATH_PROTOCOL_HWMP;
6687
6688 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])
6689 setup->path_metric =
6690 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ?
6691 IEEE80211_PATH_METRIC_VENDOR :
6692 IEEE80211_PATH_METRIC_AIRTIME;
6693
581a8b0f 6694 if (tb[NL80211_MESH_SETUP_IE]) {
c80d545d 6695 struct nlattr *ieattr =
581a8b0f 6696 tb[NL80211_MESH_SETUP_IE];
581a8b0f
JC		 6697 setup->ie = nla_data(ieattr);
6698 setup->ie_len = nla_len(ieattr);
c80d545d 6699 }
bb2798d4
TP		 6700 if (tb[NL80211_MESH_SETUP_USERSPACE_MPM] &&
6701 !(rdev->wiphy.features & NL80211_FEATURE_USERSPACE_MPM))
6702 return -EINVAL;
6703 setup->user_mpm = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_MPM]);
b130e5ce
JC		 6704 setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]);
6705 setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]);
bb2798d4
TP		 6706 if (setup->is_secure)
6707 setup->user_mpm = true;
c80d545d 6708
6e16d90b
CT		 6709 if (tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]) {
6710 if (!setup->user_mpm)
6711 return -EINVAL;
6712 setup->auth_id =
6713 nla_get_u8(tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]);
6714 }
6715
c80d545d
JC		 6716 return 0;
6717}
6718
24bdd9f4 6719static int nl80211_update_mesh_config(struct sk_buff *skb,
29cbe68c 6720 struct genl_info *info)
bd90fdcc
JB		 6721{
6722 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6723 struct net_device *dev = info->user_ptr[1];
29cbe68c 6724 struct wireless_dev *wdev = dev->ieee80211_ptr;
bd90fdcc
JB		 6725 struct mesh_config cfg;
6726 u32 mask;
6727 int err;
6728
29cbe68c
JB		 6729 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
6730 return -EOPNOTSUPP;
6731
24bdd9f4 6732 if (!rdev->ops->update_mesh_config)
bd90fdcc
JB		 6733 return -EOPNOTSUPP;
6734
24bdd9f4 6735 err = nl80211_parse_mesh_config(info, &cfg, &mask);
bd90fdcc
JB		 6736 if (err)
6737 return err;
6738
29cbe68c
JB		 6739 wdev_lock(wdev);
6740 if (!wdev->mesh_id_len)
6741 err = -ENOLINK;
6742
6743 if (!err)
e35e4d28 6744 err = rdev_update_mesh_config(rdev, dev, mask, &cfg);
29cbe68c
JB		 6745
6746 wdev_unlock(wdev);
6747
6748 return err;
93da9cc1 6749}
6750
ad30ca2c
AN		 6751static int nl80211_put_regdom(const struct ieee80211_regdomain *regdom,
6752 struct sk_buff *msg)
f130347c 6753{
f130347c
LR		 6754 struct nlattr *nl_reg_rules;
6755 unsigned int i;
f130347c 6756
458f4f9e
JB		 6757 if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, regdom->alpha2) ||
6758 (regdom->dfs_region &&
6759 nla_put_u8(msg, NL80211_ATTR_DFS_REGION, regdom->dfs_region)))
ad30ca2c 6760 goto nla_put_failure;
458f4f9e 6761
ae0be8de 6762 nl_reg_rules = nla_nest_start_noflag(msg, NL80211_ATTR_REG_RULES);
f130347c 6763 if (!nl_reg_rules)
ad30ca2c 6764 goto nla_put_failure;
f130347c 6765
458f4f9e 6766 for (i = 0; i < regdom->n_reg_rules; i++) {
f130347c
LR		 6767 struct nlattr *nl_reg_rule;
6768 const struct ieee80211_reg_rule *reg_rule;
6769 const struct ieee80211_freq_range *freq_range;
6770 const struct ieee80211_power_rule *power_rule;
97524820 6771 unsigned int max_bandwidth_khz;
f130347c 6772
458f4f9e 6773 reg_rule = &regdom->reg_rules[i];
f130347c
LR		 6774 freq_range = &reg_rule->freq_range;
6775 power_rule = &reg_rule->power_rule;
6776
ae0be8de 6777 nl_reg_rule = nla_nest_start_noflag(msg, i);
f130347c 6778 if (!nl_reg_rule)
ad30ca2c 6779 goto nla_put_failure;
f130347c 6780
97524820
JD		 6781 max_bandwidth_khz = freq_range->max_bandwidth_khz;
6782 if (!max_bandwidth_khz)
6783 max_bandwidth_khz = reg_get_max_bandwidth(regdom,
6784 reg_rule);
6785
9360ffd1
DM		 6786 if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS,
6787 reg_rule->flags) ||
6788 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START,
6789 freq_range->start_freq_khz) ||
6790 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END,
6791 freq_range->end_freq_khz) ||
6792 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW,
97524820 6793 max_bandwidth_khz) ||
9360ffd1
DM		 6794 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN,
6795 power_rule->max_antenna_gain) ||
6796 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP,
089027e5
JD		 6797 power_rule->max_eirp) ||
6798 nla_put_u32(msg, NL80211_ATTR_DFS_CAC_TIME,
6799 reg_rule->dfs_cac_ms))
ad30ca2c 6800 goto nla_put_failure;
f130347c
LR		 6801
6802 nla_nest_end(msg, nl_reg_rule);
6803 }
6804
6805 nla_nest_end(msg, nl_reg_rules);
ad30ca2c
AN		 6806 return 0;
6807
6808nla_put_failure:
6809 return -EMSGSIZE;
6810}
6811
6812static int nl80211_get_reg_do(struct sk_buff *skb, struct genl_info *info)
6813{
6814 const struct ieee80211_regdomain *regdom = NULL;
6815 struct cfg80211_registered_device *rdev;
6816 struct wiphy *wiphy = NULL;
6817 struct sk_buff *msg;
6818 void *hdr;
6819
6820 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6821 if (!msg)
6822 return -ENOBUFS;
6823
6824 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
6825 NL80211_CMD_GET_REG);
6826 if (!hdr)
6827 goto put_failure;
6828
6829 if (info->attrs[NL80211_ATTR_WIPHY]) {
1bdd716c
AN		 6830 bool self_managed;
6831
ad30ca2c
AN		 6832 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
6833 if (IS_ERR(rdev)) {
6834 nlmsg_free(msg);
6835 return PTR_ERR(rdev);
6836 }
6837
6838 wiphy = &rdev->wiphy;
1bdd716c
AN		 6839 self_managed = wiphy->regulatory_flags &
6840 REGULATORY_WIPHY_SELF_MANAGED;
ad30ca2c
AN		 6841 regdom = get_wiphy_regdom(wiphy);
6842
1bdd716c
AN		 6843 /* a self-managed-reg device must have a private regdom */
6844 if (WARN_ON(!regdom && self_managed)) {
6845 nlmsg_free(msg);
6846 return -EINVAL;
6847 }
6848
ad30ca2c
AN		 6849 if (regdom &&
6850 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
6851 goto nla_put_failure;
6852 }
6853
6854 if (!wiphy && reg_last_request_cell_base() &&
6855 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
6856 NL80211_USER_REG_HINT_CELL_BASE))
6857 goto nla_put_failure;
6858
6859 rcu_read_lock();
6860
6861 if (!regdom)
6862 regdom = rcu_dereference(cfg80211_regdomain);
6863
6864 if (nl80211_put_regdom(regdom, msg))
6865 goto nla_put_failure_rcu;
6866
6867 rcu_read_unlock();
f130347c
LR		 6868
6869 genlmsg_end(msg, hdr);
5fe231e8 6870 return genlmsg_reply(msg, info);
f130347c 6871
458f4f9e
JB		 6872nla_put_failure_rcu:
6873 rcu_read_unlock();
f130347c 6874nla_put_failure:
efe1cf0c 6875put_failure:
d080e275 6876 nlmsg_free(msg);
5fe231e8 6877 return -EMSGSIZE;
f130347c
LR		 6878}
6879
ad30ca2c
AN		 6880static int nl80211_send_regdom(struct sk_buff *msg, struct netlink_callback *cb,
6881 u32 seq, int flags, struct wiphy *wiphy,
6882 const struct ieee80211_regdomain *regdom)
6883{
6884 void *hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
6885 NL80211_CMD_GET_REG);
6886
6887 if (!hdr)
6888 return -1;
6889
0a833c29 6890 genl_dump_check_consistent(cb, hdr);
ad30ca2c
AN		 6891
6892 if (nl80211_put_regdom(regdom, msg))
6893 goto nla_put_failure;
6894
6895 if (!wiphy && reg_last_request_cell_base() &&
6896 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
6897 NL80211_USER_REG_HINT_CELL_BASE))
6898 goto nla_put_failure;
6899
6900 if (wiphy &&
6901 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
6902 goto nla_put_failure;
6903
1bdd716c
AN		 6904 if (wiphy && wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
6905 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
6906 goto nla_put_failure;
6907
053c095a
JB		 6908 genlmsg_end(msg, hdr);
6909 return 0;
ad30ca2c
AN		 6910
6911nla_put_failure:
6912 genlmsg_cancel(msg, hdr);
6913 return -EMSGSIZE;
6914}
6915
6916static int nl80211_get_reg_dump(struct sk_buff *skb,
6917 struct netlink_callback *cb)
6918{
6919 const struct ieee80211_regdomain *regdom = NULL;
6920 struct cfg80211_registered_device *rdev;
6921 int err, reg_idx, start = cb->args[2];
6922
6923 rtnl_lock();
6924
6925 if (cfg80211_regdomain && start == 0) {
6926 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
6927 NLM_F_MULTI, NULL,
6928 rtnl_dereference(cfg80211_regdomain));
6929 if (err < 0)
6930 goto out_err;
6931 }
6932
6933 /* the global regdom is idx 0 */
6934 reg_idx = 1;
6935 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
6936 regdom = get_wiphy_regdom(&rdev->wiphy);
6937 if (!regdom)
6938 continue;
6939
6940 if (++reg_idx <= start)
6941 continue;
6942
6943 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
6944 NLM_F_MULTI, &rdev->wiphy, regdom);
6945 if (err < 0) {
6946 reg_idx--;
6947 break;
6948 }
6949 }
6950
6951 cb->args[2] = reg_idx;
6952 err = skb->len;
6953out_err:
6954 rtnl_unlock();
6955 return err;
6956}
6957
b6863036
JB		 6958#ifdef CONFIG_CFG80211_CRDA_SUPPORT
6959static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = {
6960 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
6961 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
6962 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
6963 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
6964 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
6965 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
6966 [NL80211_ATTR_DFS_CAC_TIME] = { .type = NLA_U32 },
6967};
6968
6969static int parse_reg_rule(struct nlattr *tb[],
6970 struct ieee80211_reg_rule *reg_rule)
6971{
6972 struct ieee80211_freq_range *freq_range = &reg_rule->freq_range;
6973 struct ieee80211_power_rule *power_rule = &reg_rule->power_rule;
6974
6975 if (!tb[NL80211_ATTR_REG_RULE_FLAGS])
6976 return -EINVAL;
6977 if (!tb[NL80211_ATTR_FREQ_RANGE_START])
6978 return -EINVAL;
6979 if (!tb[NL80211_ATTR_FREQ_RANGE_END])
6980 return -EINVAL;
6981 if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW])
6982 return -EINVAL;
6983 if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP])
6984 return -EINVAL;
6985
6986 reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]);
6987
6988 freq_range->start_freq_khz =
6989 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]);
6990 freq_range->end_freq_khz =
6991 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]);
6992 freq_range->max_bandwidth_khz =
6993 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]);
6994
6995 power_rule->max_eirp =
6996 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]);
6997
6998 if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN])
6999 power_rule->max_antenna_gain =
7000 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]);
7001
7002 if (tb[NL80211_ATTR_DFS_CAC_TIME])
7003 reg_rule->dfs_cac_ms =
7004 nla_get_u32(tb[NL80211_ATTR_DFS_CAC_TIME]);
7005
7006 return 0;
7007}
7008
b2e1b302
LR		 7009static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info)
7010{
7011 struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1];
7012 struct nlattr *nl_reg_rule;
ea372c54
JB		 7013 char *alpha2;
7014 int rem_reg_rules, r;
391d132c 7015 u32 num_rules = 0, rule_idx = 0;
4c7d3982 7016 enum nl80211_dfs_regions dfs_region = NL80211_DFS_UNSET;
ea372c54 7017 struct ieee80211_regdomain *rd;
b2e1b302
LR		 7018
7019 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
7020 return -EINVAL;
7021
7022 if (!info->attrs[NL80211_ATTR_REG_RULES])
7023 return -EINVAL;
7024
7025 alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
7026
8b60b078
LR		 7027 if (info->attrs[NL80211_ATTR_DFS_REGION])
7028 dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]);
7029
b2e1b302 7030 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
1a919318 7031 rem_reg_rules) {
b2e1b302
LR		 7032 num_rules++;
7033 if (num_rules > NL80211_MAX_SUPP_REG_RULES)
4776c6e7 7034 return -EINVAL;
b2e1b302
LR		 7035 }
7036
e438768f
LR		 7037 if (!reg_is_valid_request(alpha2))
7038 return -EINVAL;
7039
391d132c 7040 rd = kzalloc(struct_size(rd, reg_rules, num_rules), GFP_KERNEL);
6913b49a
JB		 7041 if (!rd)
7042 return -ENOMEM;
b2e1b302
LR		 7043
7044 rd->n_reg_rules = num_rules;
7045 rd->alpha2[0] = alpha2[0];
7046 rd->alpha2[1] = alpha2[1];
7047
8b60b078
LR		 7048 /*
7049 * Disable DFS master mode if the DFS region was
7050 * not supported or known on this kernel.
7051 */
7052 if (reg_supported_dfs_region(dfs_region))
7053 rd->dfs_region = dfs_region;
7054
b2e1b302 7055 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
1a919318 7056 rem_reg_rules) {
8cb08174
JB		 7057 r = nla_parse_nested_deprecated(tb, NL80211_REG_RULE_ATTR_MAX,
7058 nl_reg_rule, reg_rule_policy,
7059 info->extack);
ae811e21
JB		 7060 if (r)
7061 goto bad_reg;
b2e1b302
LR		 7062 r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]);
7063 if (r)
7064 goto bad_reg;
7065
7066 rule_idx++;
7067
d0e18f83
LR		 7068 if (rule_idx > NL80211_MAX_SUPP_REG_RULES) {
7069 r = -EINVAL;
b2e1b302 7070 goto bad_reg;
d0e18f83 7071 }
b2e1b302
LR		 7072 }
7073
06627990
JB		 7074 /* set_regdom takes ownership of rd */
7075 return set_regdom(rd, REGD_SOURCE_CRDA);
d2372b31 7076 bad_reg:
b2e1b302 7077 kfree(rd);
d0e18f83 7078 return r;
b2e1b302 7079}
b6863036 7080#endif /* CONFIG_CFG80211_CRDA_SUPPORT */
b2e1b302 7081
83f5e2cf
JB		 7082static int validate_scan_freqs(struct nlattr *freqs)
7083{
7084 struct nlattr *attr1, *attr2;
7085 int n_channels = 0, tmp1, tmp2;
7086
d7f13f74
SD		 7087 nla_for_each_nested(attr1, freqs, tmp1)
7088 if (nla_len(attr1) != sizeof(u32))
7089 return 0;
7090
83f5e2cf
JB		 7091 nla_for_each_nested(attr1, freqs, tmp1) {
7092 n_channels++;
7093 /*
7094 * Some hardware has a limited channel list for
7095 * scanning, and it is pretty much nonsensical
7096 * to scan for a channel twice, so disallow that
7097 * and don't require drivers to check that the
7098 * channel list they get isn't longer than what
7099 * they can scan, as long as they can scan all
7100 * the channels they registered at once.
7101 */
7102 nla_for_each_nested(attr2, freqs, tmp2)
7103 if (attr1 != attr2 &&
7104 nla_get_u32(attr1) == nla_get_u32(attr2))
7105 return 0;
7106 }
7107
7108 return n_channels;
7109}
7110
57fbcce3 7111static bool is_band_valid(struct wiphy *wiphy, enum nl80211_band b)
38de03d2 7112{
57fbcce3 7113 return b < NUM_NL80211_BANDS && wiphy->bands[b];
38de03d2
AS		 7114}
7115
7116static int parse_bss_select(struct nlattr *nla, struct wiphy *wiphy,
7117 struct cfg80211_bss_selection *bss_select)
7118{
7119 struct nlattr *attr[NL80211_BSS_SELECT_ATTR_MAX + 1];
7120 struct nlattr *nest;
7121 int err;
7122 bool found = false;
7123 int i;
7124
7125 /* only process one nested attribute */
7126 nest = nla_data(nla);
7127 if (!nla_ok(nest, nla_len(nest)))
7128 return -EINVAL;
7129
8cb08174
JB		 7130 err = nla_parse_nested_deprecated(attr, NL80211_BSS_SELECT_ATTR_MAX,
7131 nest, nl80211_bss_select_policy,
7132 NULL);
38de03d2
AS		 7133 if (err)
7134 return err;
7135
7136 /* only one attribute may be given */
7137 for (i = 0; i <= NL80211_BSS_SELECT_ATTR_MAX; i++) {
7138 if (attr[i]) {
7139 if (found)
7140 return -EINVAL;
7141 found = true;
7142 }
7143 }
7144
7145 bss_select->behaviour = __NL80211_BSS_SELECT_ATTR_INVALID;
7146
7147 if (attr[NL80211_BSS_SELECT_ATTR_RSSI])
7148 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI;
7149
7150 if (attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]) {
7151 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_BAND_PREF;
7152 bss_select->param.band_pref =
7153 nla_get_u32(attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]);
7154 if (!is_band_valid(wiphy, bss_select->param.band_pref))
7155 return -EINVAL;
7156 }
7157
7158 if (attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]) {
7159 struct nl80211_bss_select_rssi_adjust *adj_param;
7160
7161 adj_param = nla_data(attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]);
7162 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI_ADJUST;
7163 bss_select->param.adjust.band = adj_param->band;
7164 bss_select->param.adjust.delta = adj_param->delta;
7165 if (!is_band_valid(wiphy, bss_select->param.adjust.band))
7166 return -EINVAL;
7167 }
7168
7169 /* user-space did not provide behaviour attribute */
7170 if (bss_select->behaviour == __NL80211_BSS_SELECT_ATTR_INVALID)
7171 return -EINVAL;
7172
7173 if (!(wiphy->bss_select_support & BIT(bss_select->behaviour)))
7174 return -EINVAL;
7175
7176 return 0;
7177}
7178
9bb7e0f2
JB		 7179int nl80211_parse_random_mac(struct nlattr **attrs,
7180 u8 *mac_addr, u8 *mac_addr_mask)
ad2b26ab
JB		 7181{
7182 int i;
7183
7184 if (!attrs[NL80211_ATTR_MAC] && !attrs[NL80211_ATTR_MAC_MASK]) {
d2beae10
JP		 7185 eth_zero_addr(mac_addr);
7186 eth_zero_addr(mac_addr_mask);
ad2b26ab
JB		 7187 mac_addr[0] = 0x2;
7188 mac_addr_mask[0] = 0x3;
7189
7190 return 0;
7191 }
7192
7193 /* need both or none */
7194 if (!attrs[NL80211_ATTR_MAC] || !attrs[NL80211_ATTR_MAC_MASK])
7195 return -EINVAL;
7196
7197 memcpy(mac_addr, nla_data(attrs[NL80211_ATTR_MAC]), ETH_ALEN);
7198 memcpy(mac_addr_mask, nla_data(attrs[NL80211_ATTR_MAC_MASK]), ETH_ALEN);
7199
7200 /* don't allow or configure an mcast address */
7201 if (!is_multicast_ether_addr(mac_addr_mask) ||
7202 is_multicast_ether_addr(mac_addr))
7203 return -EINVAL;
7204
7205 /*
7206 * allow users to pass a MAC address that has bits set outside
7207 * of the mask, but don't bother drivers with having to deal
7208 * with such bits
7209 */
7210 for (i = 0; i < ETH_ALEN; i++)
7211 mac_addr[i] &= mac_addr_mask[i];
7212
7213 return 0;
7214}
7215
34373d12
VT		 7216static bool cfg80211_off_channel_oper_allowed(struct wireless_dev *wdev)
7217{
7218 ASSERT_WDEV_LOCK(wdev);
7219
7220 if (!cfg80211_beaconing_iface_active(wdev))
7221 return true;
7222
7223 if (!(wdev->chandef.chan->flags & IEEE80211_CHAN_RADAR))
7224 return true;
7225
7226 return regulatory_pre_cac_allowed(wdev->wiphy);
7227}
7228
db0a4ad8
JB		 7229static bool nl80211_check_scan_feat(struct wiphy *wiphy, u32 flags, u32 flag,
7230 enum nl80211_ext_feature_index feat)
7231{
7232 if (!(flags & flag))
7233 return true;
7234 if (wiphy_ext_feature_isset(wiphy, feat))
7235 return true;
7236 return false;
7237}
7238
2d23d073
RZ		 7239static int
7240nl80211_check_scan_flags(struct wiphy *wiphy, struct wireless_dev *wdev,
7241 void *request, struct nlattr **attrs,
7242 bool is_sched_scan)
7243{
7244 u8 *mac_addr, *mac_addr_mask;
7245 u32 *flags;
7246 enum nl80211_feature_flags randomness_flag;
7247
7248 if (!attrs[NL80211_ATTR_SCAN_FLAGS])
7249 return 0;
7250
7251 if (is_sched_scan) {
7252 struct cfg80211_sched_scan_request *req = request;
7253
7254 randomness_flag = wdev ?
7255 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR :
7256 NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
7257 flags = &req->flags;
7258 mac_addr = req->mac_addr;
7259 mac_addr_mask = req->mac_addr_mask;
7260 } else {
7261 struct cfg80211_scan_request *req = request;
7262
7263 randomness_flag = NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;
7264 flags = &req->flags;
7265 mac_addr = req->mac_addr;
7266 mac_addr_mask = req->mac_addr_mask;
7267 }
7268
7269 *flags = nla_get_u32(attrs[NL80211_ATTR_SCAN_FLAGS]);
7270
5037a009
SD		 7271 if (((*flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
7272 !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) ||
db0a4ad8
JB		 7273 !nl80211_check_scan_feat(wiphy, *flags,
7274 NL80211_SCAN_FLAG_LOW_SPAN,
7275 NL80211_EXT_FEATURE_LOW_SPAN_SCAN) ||
7276 !nl80211_check_scan_feat(wiphy, *flags,
7277 NL80211_SCAN_FLAG_LOW_POWER,
7278 NL80211_EXT_FEATURE_LOW_POWER_SCAN) ||
7279 !nl80211_check_scan_feat(wiphy, *flags,
7280 NL80211_SCAN_FLAG_HIGH_ACCURACY,
7281 NL80211_EXT_FEATURE_HIGH_ACCURACY_SCAN) ||
7282 !nl80211_check_scan_feat(wiphy, *flags,
7283 NL80211_SCAN_FLAG_FILS_MAX_CHANNEL_TIME,
7284 NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME) ||
7285 !nl80211_check_scan_feat(wiphy, *flags,
7286 NL80211_SCAN_FLAG_ACCEPT_BCAST_PROBE_RESP,
7287 NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP) ||
7288 !nl80211_check_scan_feat(wiphy, *flags,
7289 NL80211_SCAN_FLAG_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION,
7290 NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION) ||
7291 !nl80211_check_scan_feat(wiphy, *flags,
7292 NL80211_SCAN_FLAG_OCE_PROBE_REQ_HIGH_TX_RATE,
2e076f19
JB		 7293 NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE) ||
7294 !nl80211_check_scan_feat(wiphy, *flags,
7295 NL80211_SCAN_FLAG_RANDOM_SN,
7296 NL80211_EXT_FEATURE_SCAN_RANDOM_SN) ||
7297 !nl80211_check_scan_feat(wiphy, *flags,
7298 NL80211_SCAN_FLAG_MIN_PREQ_CONTENT,
7299 NL80211_EXT_FEATURE_SCAN_MIN_PREQ_CONTENT))
2d23d073
RZ		 7300 return -EOPNOTSUPP;
7301
7302 if (*flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
7303 int err;
7304
7305 if (!(wiphy->features & randomness_flag) ||
7306 (wdev && wdev->current_bss))
7307 return -EOPNOTSUPP;
7308
7309 err = nl80211_parse_random_mac(attrs, mac_addr, mac_addr_mask);
7310 if (err)
7311 return err;
7312 }
7313
2d23d073
RZ		 7314 return 0;
7315}
7316
2a519311
JB		 7317static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
7318{
4c476991 7319 struct cfg80211_registered_device *rdev = info->user_ptr[0];
fd014284 7320 struct wireless_dev *wdev = info->user_ptr[1];
2a519311 7321 struct cfg80211_scan_request *request;
2a519311
JB		 7322 struct nlattr *attr;
7323 struct wiphy *wiphy;
83f5e2cf 7324 int err, tmp, n_ssids = 0, n_channels, i;
70692ad2 7325 size_t ie_len;
2a519311 7326
79c97e97 7327 wiphy = &rdev->wiphy;
2a519311 7328
cb3b7d87
AB		 7329 if (wdev->iftype == NL80211_IFTYPE_NAN)
7330 return -EOPNOTSUPP;
7331
4c476991
JB		 7332 if (!rdev->ops->scan)
7333 return -EOPNOTSUPP;
2a519311 7334
f9d15d16 7335 if (rdev->scan_req || rdev->scan_msg) {
f9f47529
JB		 7336 err = -EBUSY;
7337 goto unlock;
7338 }
2a519311
JB		 7339
7340 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
83f5e2cf
JB		 7341 n_channels = validate_scan_freqs(
7342 info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
f9f47529
JB		 7343 if (!n_channels) {
7344 err = -EINVAL;
7345 goto unlock;
7346 }
2a519311 7347 } else {
bdfbec2d 7348 n_channels = ieee80211_get_num_supported_channels(wiphy);
2a519311
JB		 7349 }
7350
7351 if (info->attrs[NL80211_ATTR_SCAN_SSIDS])
7352 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp)
7353 n_ssids++;
7354
f9f47529
JB		 7355 if (n_ssids > wiphy->max_scan_ssids) {
7356 err = -EINVAL;
7357 goto unlock;
7358 }
2a519311 7359
70692ad2
JM		 7360 if (info->attrs[NL80211_ATTR_IE])
7361 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
7362 else
7363 ie_len = 0;
7364
f9f47529
JB		 7365 if (ie_len > wiphy->max_scan_ie_len) {
7366 err = -EINVAL;
7367 goto unlock;
7368 }
18a83659 7369
2a519311 7370 request = kzalloc(sizeof(*request)
a2cd43c5
LC		 7371 + sizeof(*request->ssids) * n_ssids
7372 + sizeof(*request->channels) * n_channels
70692ad2 7373 + ie_len, GFP_KERNEL);
f9f47529
JB		 7374 if (!request) {
7375 err = -ENOMEM;
7376 goto unlock;
7377 }
2a519311 7378
2a519311 7379 if (n_ssids)
5ba63533 7380 request->ssids = (void *)&request->channels[n_channels];
2a519311 7381 request->n_ssids = n_ssids;
70692ad2 7382 if (ie_len) {
13874e4b 7383 if (n_ssids)
70692ad2
JM		 7384 request->ie = (void *)(request->ssids + n_ssids);
7385 else
7386 request->ie = (void *)(request->channels + n_channels);
7387 }
2a519311 7388
584991dc 7389 i = 0;
2a519311
JB		 7390 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
7391 /* user specified, bail out if channel not found */
2a519311 7392 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) {
584991dc
JB		 7393 struct ieee80211_channel *chan;
7394
7395 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
7396
7397 if (!chan) {
2a519311
JB		 7398 err = -EINVAL;
7399 goto out_free;
7400 }
584991dc
JB		 7401
7402 /* ignore disabled channels */
7403 if (chan->flags & IEEE80211_CHAN_DISABLED)
7404 continue;
7405
7406 request->channels[i] = chan;
2a519311
JB		 7407 i++;
7408 }
7409 } else {
57fbcce3 7410 enum nl80211_band band;
34850ab2 7411
2a519311 7412 /* all channels */
57fbcce3 7413 for (band = 0; band < NUM_NL80211_BANDS; band++) {
2a519311 7414 int j;
7a087e74 7415
2a519311
JB		 7416 if (!wiphy->bands[band])
7417 continue;
7418 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
584991dc
JB		 7419 struct ieee80211_channel *chan;
7420
7421 chan = &wiphy->bands[band]->channels[j];
7422
7423 if (chan->flags & IEEE80211_CHAN_DISABLED)
7424 continue;
7425
7426 request->channels[i] = chan;
2a519311
JB		 7427 i++;
7428 }
7429 }
7430 }
7431
584991dc
JB		 7432 if (!i) {
7433 err = -EINVAL;
7434 goto out_free;
7435 }
7436
7437 request->n_channels = i;
7438
34373d12
VT		 7439 wdev_lock(wdev);
7440 if (!cfg80211_off_channel_oper_allowed(wdev)) {
7441 struct ieee80211_channel *chan;
7442
7443 if (request->n_channels != 1) {
7444 wdev_unlock(wdev);
7445 err = -EBUSY;
7446 goto out_free;
7447 }
7448
7449 chan = request->channels[0];
7450 if (chan->center_freq != wdev->chandef.chan->center_freq) {
7451 wdev_unlock(wdev);
7452 err = -EBUSY;
7453 goto out_free;
7454 }
7455 }
7456 wdev_unlock(wdev);
7457
2a519311 7458 i = 0;
13874e4b 7459 if (n_ssids) {
2a519311 7460 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) {
57a27e1d 7461 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
2a519311
JB		 7462 err = -EINVAL;
7463 goto out_free;
7464 }
57a27e1d 7465 request->ssids[i].ssid_len = nla_len(attr);
2a519311 7466 memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr));
2a519311
JB		 7467 i++;
7468 }
7469 }
7470
70692ad2
JM		 7471 if (info->attrs[NL80211_ATTR_IE]) {
7472 request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
de95a54b
JB		 7473 memcpy((void *)request->ie,
7474 nla_data(info->attrs[NL80211_ATTR_IE]),
70692ad2
JM		 7475 request->ie_len);
7476 }
7477
57fbcce3 7478 for (i = 0; i < NUM_NL80211_BANDS; i++)
a401d2bb
JB		 7479 if (wiphy->bands[i])
7480 request->rates[i] =
7481 (1 << wiphy->bands[i]->n_bitrates) - 1;
34850ab2
JB		 7482
7483 if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) {
7484 nla_for_each_nested(attr,
7485 info->attrs[NL80211_ATTR_SCAN_SUPP_RATES],
7486 tmp) {
57fbcce3 7487 enum nl80211_band band = nla_type(attr);
34850ab2 7488
57fbcce3 7489 if (band < 0 || band >= NUM_NL80211_BANDS) {
34850ab2
JB		 7490 err = -EINVAL;
7491 goto out_free;
7492 }
1b09cd82
FF		 7493
7494 if (!wiphy->bands[band])
7495 continue;
7496
34850ab2
JB		 7497 err = ieee80211_get_ratemask(wiphy->bands[band],
7498 nla_data(attr),
7499 nla_len(attr),
7500 &request->rates[band]);
7501 if (err)
7502 goto out_free;
7503 }
7504 }
7505
1d76250b
AS		 7506 if (info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]) {
7507 if (!wiphy_ext_feature_isset(wiphy,
7508 NL80211_EXT_FEATURE_SET_SCAN_DWELL)) {
7509 err = -EOPNOTSUPP;
7510 goto out_free;
7511 }
7512
7513 request->duration =
7514 nla_get_u16(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]);
7515 request->duration_mandatory =
7516 nla_get_flag(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY]);
7517 }
7518
2d23d073
RZ		 7519 err = nl80211_check_scan_flags(wiphy, wdev, request, info->attrs,
7520 false);
7521 if (err)
7522 goto out_free;
ed473771 7523
e9f935e3
RM		 7524 request->no_cck =
7525 nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
7526
2fa436b3
VK		 7527 /* Initial implementation used NL80211_ATTR_MAC to set the specific
7528 * BSSID to scan for. This was problematic because that same attribute
7529 * was already used for another purpose (local random MAC address). The
7530 * NL80211_ATTR_BSSID attribute was added to fix this. For backwards
7531 * compatibility with older userspace components, also use the
7532 * NL80211_ATTR_MAC value here if it can be determined to be used for
7533 * the specific BSSID use case instead of the random MAC address
7534 * (NL80211_ATTR_SCAN_FLAGS is used to enable random MAC address use).
7535 */
7536 if (info->attrs[NL80211_ATTR_BSSID])
7537 memcpy(request->bssid,
7538 nla_data(info->attrs[NL80211_ATTR_BSSID]), ETH_ALEN);
7539 else if (!(request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) &&
7540 info->attrs[NL80211_ATTR_MAC])
818965d3
JM		 7541 memcpy(request->bssid, nla_data(info->attrs[NL80211_ATTR_MAC]),
7542 ETH_ALEN);
7543 else
7544 eth_broadcast_addr(request->bssid);
7545
fd014284 7546 request->wdev = wdev;
79c97e97 7547 request->wiphy = &rdev->wiphy;
15d6030b 7548 request->scan_start = jiffies;
2a519311 7549
79c97e97 7550 rdev->scan_req = request;
e35e4d28 7551 err = rdev_scan(rdev, request);
2a519311 7552
463d0183 7553 if (!err) {
fd014284
JB		 7554 nl80211_send_scan_start(rdev, wdev);
7555 if (wdev->netdev)
7556 dev_hold(wdev->netdev);
4c476991 7557 } else {
2a519311 7558 out_free:
79c97e97 7559 rdev->scan_req = NULL;
2a519311
JB		 7560 kfree(request);
7561 }
3b85875a 7562
f9f47529 7563 unlock:
2a519311
JB		 7564 return err;
7565}
7566
91d3ab46
VK		 7567static int nl80211_abort_scan(struct sk_buff *skb, struct genl_info *info)
7568{
7569 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7570 struct wireless_dev *wdev = info->user_ptr[1];
7571
7572 if (!rdev->ops->abort_scan)
7573 return -EOPNOTSUPP;
7574
7575 if (rdev->scan_msg)
7576 return 0;
7577
7578 if (!rdev->scan_req)
7579 return -ENOENT;
7580
7581 rdev_abort_scan(rdev, wdev);
7582 return 0;
7583}
7584
3b06d277
AS		 7585static int
7586nl80211_parse_sched_scan_plans(struct wiphy *wiphy, int n_plans,
7587 struct cfg80211_sched_scan_request *request,
7588 struct nlattr **attrs)
7589{
7590 int tmp, err, i = 0;
7591 struct nlattr *attr;
7592
7593 if (!attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
7594 u32 interval;
7595
7596 /*
7597 * If scan plans are not specified,
5a88de53 7598 * %NL80211_ATTR_SCHED_SCAN_INTERVAL will be specified. In this
3b06d277
AS		 7599 * case one scan plan will be set with the specified scan
7600 * interval and infinite number of iterations.
7601 */
3b06d277
AS		 7602 interval = nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]);
7603 if (!interval)
7604 return -EINVAL;
7605
7606 request->scan_plans[0].interval =
7607 DIV_ROUND_UP(interval, MSEC_PER_SEC);
7608 if (!request->scan_plans[0].interval)
7609 return -EINVAL;
7610
7611 if (request->scan_plans[0].interval >
7612 wiphy->max_sched_scan_plan_interval)
7613 request->scan_plans[0].interval =
7614 wiphy->max_sched_scan_plan_interval;
7615
7616 return 0;
7617 }
7618
7619 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp) {
7620 struct nlattr *plan[NL80211_SCHED_SCAN_PLAN_MAX + 1];
7621
7622 if (WARN_ON(i >= n_plans))
7623 return -EINVAL;
7624
8cb08174
JB		 7625 err = nla_parse_nested_deprecated(plan,
7626 NL80211_SCHED_SCAN_PLAN_MAX,
7627 attr, nl80211_plan_policy,
7628 NULL);
3b06d277
AS		 7629 if (err)
7630 return err;
7631
7632 if (!plan[NL80211_SCHED_SCAN_PLAN_INTERVAL])
7633 return -EINVAL;
7634
7635 request->scan_plans[i].interval =
7636 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_INTERVAL]);
7637 if (!request->scan_plans[i].interval ||
7638 request->scan_plans[i].interval >
7639 wiphy->max_sched_scan_plan_interval)
7640 return -EINVAL;
7641
7642 if (plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]) {
7643 request->scan_plans[i].iterations =
7644 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]);
7645 if (!request->scan_plans[i].iterations ||
7646 (request->scan_plans[i].iterations >
7647 wiphy->max_sched_scan_plan_iterations))
7648 return -EINVAL;
7649 } else if (i < n_plans - 1) {
7650 /*
7651 * All scan plans but the last one must specify
7652 * a finite number of iterations
7653 */
7654 return -EINVAL;
7655 }
7656
7657 i++;
7658 }
7659
7660 /*
7661 * The last scan plan must not specify the number of
7662 * iterations, it is supposed to run infinitely
7663 */
7664 if (request->scan_plans[n_plans - 1].iterations)
7665 return -EINVAL;
7666
7667 return 0;
7668}
7669
1e1b11b6 7670static int
7671nl80211_parse_sched_scan_per_band_rssi(struct wiphy *wiphy,
7672 struct cfg80211_match_set *match_sets,
7673 struct nlattr *tb_band_rssi,
7674 s32 rssi_thold)
7675{
7676 struct nlattr *attr;
7677 int i, tmp, ret = 0;
7678
7679 if (!wiphy_ext_feature_isset(wiphy,
7680 NL80211_EXT_FEATURE_SCHED_SCAN_BAND_SPECIFIC_RSSI_THOLD)) {
7681 if (tb_band_rssi)
7682 ret = -EOPNOTSUPP;
7683 else
7684 for (i = 0; i < NUM_NL80211_BANDS; i++)
7685 match_sets->per_band_rssi_thold[i] =
7686 NL80211_SCAN_RSSI_THOLD_OFF;
7687 return ret;
7688 }
7689
7690 for (i = 0; i < NUM_NL80211_BANDS; i++)
7691 match_sets->per_band_rssi_thold[i] = rssi_thold;
7692
7693 nla_for_each_nested(attr, tb_band_rssi, tmp) {
7694 enum nl80211_band band = nla_type(attr);
7695
7696 if (band < 0 || band >= NUM_NL80211_BANDS)
7697 return -EINVAL;
7698
7699 match_sets->per_band_rssi_thold[band] = nla_get_s32(attr);
7700 }
7701
7702 return 0;
7703}
7704
256da02d 7705static struct cfg80211_sched_scan_request *
ad2b26ab 7706nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev,
aad1e812 7707 struct nlattr **attrs, int max_match_sets)
807f8a8c
LC		 7708{
7709 struct cfg80211_sched_scan_request *request;
807f8a8c 7710 struct nlattr *attr;
3b06d277 7711 int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i, n_plans = 0;
57fbcce3 7712 enum nl80211_band band;
807f8a8c 7713 size_t ie_len;
a1f1c21c 7714 struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1];
ea73cbce 7715 s32 default_match_rssi = NL80211_SCAN_RSSI_THOLD_OFF;
807f8a8c 7716
256da02d 7717 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
807f8a8c 7718 n_channels = validate_scan_freqs(
256da02d 7719 attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
807f8a8c 7720 if (!n_channels)
256da02d 7721 return ERR_PTR(-EINVAL);
807f8a8c 7722 } else {
bdfbec2d 7723 n_channels = ieee80211_get_num_supported_channels(wiphy);
807f8a8c
LC		 7724 }
7725
256da02d
LC		 7726 if (attrs[NL80211_ATTR_SCAN_SSIDS])
7727 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
807f8a8c
LC		 7728 tmp)
7729 n_ssids++;
7730
93b6aa69 7731 if (n_ssids > wiphy->max_sched_scan_ssids)
256da02d 7732 return ERR_PTR(-EINVAL);
807f8a8c 7733
ea73cbce
JB		 7734 /*
7735 * First, count the number of 'real' matchsets. Due to an issue with
7736 * the old implementation, matchsets containing only the RSSI attribute
7737 * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default'
7738 * RSSI for all matchsets, rather than their own matchset for reporting
7739 * all APs with a strong RSSI. This is needed to be compatible with
7740 * older userspace that treated a matchset with only the RSSI as the
7741 * global RSSI for all other matchsets - if there are other matchsets.
7742 */
256da02d 7743 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
a1f1c21c 7744 nla_for_each_nested(attr,
256da02d 7745 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
ea73cbce
JB		 7746 tmp) {
7747 struct nlattr *rssi;
7748
8cb08174
JB		 7749 err = nla_parse_nested_deprecated(tb,
7750 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
7751 attr,
7752 nl80211_match_policy,
7753 NULL);
ea73cbce 7754 if (err)
256da02d 7755 return ERR_PTR(err);
3007e352
AVS		 7756
7757 /* SSID and BSSID are mutually exclusive */
7758 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] &&
7759 tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID])
7760 return ERR_PTR(-EINVAL);
7761
ea73cbce 7762 /* add other standalone attributes here */
3007e352
AVS		 7763 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] ||
7764 tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID]) {
ea73cbce
JB		 7765 n_match_sets++;
7766 continue;
7767 }
7768 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
7769 if (rssi)
7770 default_match_rssi = nla_get_s32(rssi);
7771 }
7772 }
7773
7774 /* However, if there's no other matchset, add the RSSI one */
7775 if (!n_match_sets && default_match_rssi != NL80211_SCAN_RSSI_THOLD_OFF)
7776 n_match_sets = 1;
a1f1c21c 7777
aad1e812 7778 if (n_match_sets > max_match_sets)
256da02d 7779 return ERR_PTR(-EINVAL);
a1f1c21c 7780
256da02d
LC		 7781 if (attrs[NL80211_ATTR_IE])
7782 ie_len = nla_len(attrs[NL80211_ATTR_IE]);
807f8a8c
LC		 7783 else
7784 ie_len = 0;
7785
5a865bad 7786 if (ie_len > wiphy->max_sched_scan_ie_len)
256da02d 7787 return ERR_PTR(-EINVAL);
c10841ca 7788
3b06d277
AS		 7789 if (attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
7790 /*
7791 * NL80211_ATTR_SCHED_SCAN_INTERVAL must not be specified since
7792 * each scan plan already specifies its own interval
7793 */
7794 if (attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
7795 return ERR_PTR(-EINVAL);
7796
7797 nla_for_each_nested(attr,
7798 attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp)
7799 n_plans++;
7800 } else {
7801 /*
7802 * The scan interval attribute is kept for backward
7803 * compatibility. If no scan plans are specified and sched scan
7804 * interval is specified, one scan plan will be set with this
7805 * scan interval and infinite number of iterations.
7806 */
7807 if (!attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
7808 return ERR_PTR(-EINVAL);
7809
7810 n_plans = 1;
7811 }
7812
7813 if (!n_plans || n_plans > wiphy->max_sched_scan_plans)
7814 return ERR_PTR(-EINVAL);
7815
bf95ecdb 7816 if (!wiphy_ext_feature_isset(
7817 wiphy, NL80211_EXT_FEATURE_SCHED_SCAN_RELATIVE_RSSI) &&
7818 (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] ||
7819 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]))
7820 return ERR_PTR(-EINVAL);
7821
807f8a8c 7822 request = kzalloc(sizeof(*request)
a2cd43c5 7823 + sizeof(*request->ssids) * n_ssids
a1f1c21c 7824 + sizeof(*request->match_sets) * n_match_sets
3b06d277 7825 + sizeof(*request->scan_plans) * n_plans
a2cd43c5 7826 + sizeof(*request->channels) * n_channels
807f8a8c 7827 + ie_len, GFP_KERNEL);
256da02d
LC		 7828 if (!request)
7829 return ERR_PTR(-ENOMEM);
807f8a8c
LC		 7830
7831 if (n_ssids)
7832 request->ssids = (void *)&request->channels[n_channels];
7833 request->n_ssids = n_ssids;
7834 if (ie_len) {
13874e4b 7835 if (n_ssids)
807f8a8c
LC		 7836 request->ie = (void *)(request->ssids + n_ssids);
7837 else
7838 request->ie = (void *)(request->channels + n_channels);
7839 }
7840
a1f1c21c
LC		 7841 if (n_match_sets) {
7842 if (request->ie)
7843 request->match_sets = (void *)(request->ie + ie_len);
13874e4b 7844 else if (n_ssids)
a1f1c21c
LC		 7845 request->match_sets =
7846 (void *)(request->ssids + n_ssids);
7847 else
7848 request->match_sets =
7849 (void *)(request->channels + n_channels);
7850 }
7851 request->n_match_sets = n_match_sets;
7852
3b06d277
AS		 7853 if (n_match_sets)
7854 request->scan_plans = (void *)(request->match_sets +
7855 n_match_sets);
7856 else if (request->ie)
7857 request->scan_plans = (void *)(request->ie + ie_len);
7858 else if (n_ssids)
7859 request->scan_plans = (void *)(request->ssids + n_ssids);
7860 else
7861 request->scan_plans = (void *)(request->channels + n_channels);
7862
7863 request->n_scan_plans = n_plans;
7864
807f8a8c 7865 i = 0;
256da02d 7866 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
807f8a8c
LC		 7867 /* user specified, bail out if channel not found */
7868 nla_for_each_nested(attr,
256da02d 7869 attrs[NL80211_ATTR_SCAN_FREQUENCIES],
807f8a8c
LC		 7870 tmp) {
7871 struct ieee80211_channel *chan;
7872
7873 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
7874
7875 if (!chan) {
7876 err = -EINVAL;
7877 goto out_free;
7878 }
7879
7880 /* ignore disabled channels */
7881 if (chan->flags & IEEE80211_CHAN_DISABLED)
7882 continue;
7883
7884 request->channels[i] = chan;
7885 i++;
7886 }
7887 } else {
7888 /* all channels */
57fbcce3 7889 for (band = 0; band < NUM_NL80211_BANDS; band++) {
807f8a8c 7890 int j;
7a087e74 7891
807f8a8c
LC		 7892 if (!wiphy->bands[band])
7893 continue;
7894 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
7895 struct ieee80211_channel *chan;
7896
7897 chan = &wiphy->bands[band]->channels[j];
7898
7899 if (chan->flags & IEEE80211_CHAN_DISABLED)
7900 continue;
7901
7902 request->channels[i] = chan;
7903 i++;
7904 }
7905 }
7906 }
7907
7908 if (!i) {
7909 err = -EINVAL;
7910 goto out_free;
7911 }
7912
7913 request->n_channels = i;
7914
7915 i = 0;
13874e4b 7916 if (n_ssids) {
256da02d 7917 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
807f8a8c 7918 tmp) {
57a27e1d 7919 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
807f8a8c
LC		 7920 err = -EINVAL;
7921 goto out_free;
7922 }
57a27e1d 7923 request->ssids[i].ssid_len = nla_len(attr);
807f8a8c
LC		 7924 memcpy(request->ssids[i].ssid, nla_data(attr),
7925 nla_len(attr));
807f8a8c
LC		 7926 i++;
7927 }
7928 }
7929
a1f1c21c 7930 i = 0;
256da02d 7931 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
a1f1c21c 7932 nla_for_each_nested(attr,
256da02d 7933 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
a1f1c21c 7934 tmp) {
3007e352 7935 struct nlattr *ssid, *bssid, *rssi;
a1f1c21c 7936
8cb08174
JB		 7937 err = nla_parse_nested_deprecated(tb,
7938 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
7939 attr,
7940 nl80211_match_policy,
7941 NULL);
ae811e21
JB		 7942 if (err)
7943 goto out_free;
4a4ab0d7 7944 ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID];
3007e352 7945 bssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID];
d39f3b4f
JB		 7946
7947 if (!ssid && !bssid) {
7948 i++;
7949 continue;
7950 }
7951
7952 if (WARN_ON(i >= n_match_sets)) {
7953 /* this indicates a programming error,
7954 * the loop above should have verified
7955 * things properly
7956 */
7957 err = -EINVAL;
7958 goto out_free;
7959 }
7960
7961 if (ssid) {
7962 if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) {
ea73cbce
JB		 7963 err = -EINVAL;
7964 goto out_free;
7965 }
d39f3b4f
JB		 7966 memcpy(request->match_sets[i].ssid.ssid,
7967 nla_data(ssid), nla_len(ssid));
7968 request->match_sets[i].ssid.ssid_len =
7969 nla_len(ssid);
7970 }
7971 if (bssid) {
7972 if (nla_len(bssid) != ETH_ALEN) {
7973 err = -EINVAL;
7974 goto out_free;
a1f1c21c 7975 }
d39f3b4f
JB		 7976 memcpy(request->match_sets[i].bssid,
7977 nla_data(bssid), ETH_ALEN);
7978 }
3007e352 7979
d39f3b4f
JB		 7980 /* special attribute - old implementation w/a */
7981 request->match_sets[i].rssi_thold = default_match_rssi;
7982 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
7983 if (rssi)
ea73cbce 7984 request->match_sets[i].rssi_thold =
d39f3b4f 7985 nla_get_s32(rssi);
1e1b11b6 7986
7987 /* Parse per band RSSI attribute */
7988 err = nl80211_parse_sched_scan_per_band_rssi(wiphy,
7989 &request->match_sets[i],
7990 tb[NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI],
7991 request->match_sets[i].rssi_thold);
7992 if (err)
7993 goto out_free;
7994
a1f1c21c
LC		 7995 i++;
7996 }
ea73cbce
JB		 7997
7998 /* there was no other matchset, so the RSSI one is alone */
f89f46cf 7999 if (i == 0 && n_match_sets)
ea73cbce
JB		 8000 request->match_sets[0].rssi_thold = default_match_rssi;
8001
8002 request->min_rssi_thold = INT_MAX;
8003 for (i = 0; i < n_match_sets; i++)
8004 request->min_rssi_thold =
8005 min(request->match_sets[i].rssi_thold,
8006 request->min_rssi_thold);
8007 } else {
8008 request->min_rssi_thold = NL80211_SCAN_RSSI_THOLD_OFF;
a1f1c21c
LC		 8009 }
8010
9900e484
JB		 8011 if (ie_len) {
8012 request->ie_len = ie_len;
807f8a8c 8013 memcpy((void *)request->ie,
256da02d 8014 nla_data(attrs[NL80211_ATTR_IE]),
807f8a8c
LC		 8015 request->ie_len);
8016 }
8017
2d23d073
RZ		 8018 err = nl80211_check_scan_flags(wiphy, wdev, request, attrs, true);
8019 if (err)
8020 goto out_free;
ed473771 8021
9c748934
LC		 8022 if (attrs[NL80211_ATTR_SCHED_SCAN_DELAY])
8023 request->delay =
8024 nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_DELAY]);
8025
bf95ecdb 8026 if (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]) {
8027 request->relative_rssi = nla_get_s8(
8028 attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]);
8029 request->relative_rssi_set = true;
8030 }
8031
8032 if (request->relative_rssi_set &&
8033 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]) {
8034 struct nl80211_bss_select_rssi_adjust *rssi_adjust;
8035
8036 rssi_adjust = nla_data(
8037 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]);
8038 request->rssi_adjust.band = rssi_adjust->band;
8039 request->rssi_adjust.delta = rssi_adjust->delta;
8040 if (!is_band_valid(wiphy, request->rssi_adjust.band)) {
8041 err = -EINVAL;
8042 goto out_free;
8043 }
8044 }
8045
3b06d277
AS		 8046 err = nl80211_parse_sched_scan_plans(wiphy, n_plans, request, attrs);
8047 if (err)
8048 goto out_free;
8049
15d6030b 8050 request->scan_start = jiffies;
807f8a8c 8051
256da02d 8052 return request;
807f8a8c
LC		 8053
8054out_free:
8055 kfree(request);
256da02d
LC		 8056 return ERR_PTR(err);
8057}
8058
8059static int nl80211_start_sched_scan(struct sk_buff *skb,
8060 struct genl_info *info)
8061{
8062 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8063 struct net_device *dev = info->user_ptr[1];
ad2b26ab 8064 struct wireless_dev *wdev = dev->ieee80211_ptr;
31a60ed1 8065 struct cfg80211_sched_scan_request *sched_scan_req;
ca986ad9 8066 bool want_multi;
256da02d
LC		 8067 int err;
8068
ca986ad9 8069 if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_start)
256da02d
LC		 8070 return -EOPNOTSUPP;
8071
ca986ad9
AVS		 8072 want_multi = info->attrs[NL80211_ATTR_SCHED_SCAN_MULTI];
8073 err = cfg80211_sched_scan_req_possible(rdev, want_multi);
8074 if (err)
8075 return err;
256da02d 8076
31a60ed1 8077 sched_scan_req = nl80211_parse_sched_scan(&rdev->wiphy, wdev,
aad1e812
AVS		 8078 info->attrs,
8079 rdev->wiphy.max_match_sets);
31a60ed1
JR		 8080
8081 err = PTR_ERR_OR_ZERO(sched_scan_req);
256da02d
LC		 8082 if (err)
8083 goto out_err;
8084
ca986ad9
AVS		 8085 /* leave request id zero for legacy request
8086 * or if driver does not support multi-scheduled scan
8087 */
8088 if (want_multi && rdev->wiphy.max_sched_scan_reqs > 1) {
8089 while (!sched_scan_req->reqid)
b60ad348 8090 sched_scan_req->reqid = cfg80211_assign_cookie(rdev);
ca986ad9
AVS		 8091 }
8092
31a60ed1 8093 err = rdev_sched_scan_start(rdev, dev, sched_scan_req);
256da02d
LC		 8094 if (err)
8095 goto out_free;
8096
31a60ed1
JR		 8097 sched_scan_req->dev = dev;
8098 sched_scan_req->wiphy = &rdev->wiphy;
8099
93a1e86c
JR		 8100 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
8101 sched_scan_req->owner_nlportid = info->snd_portid;
8102
ca986ad9 8103 cfg80211_add_sched_scan_req(rdev, sched_scan_req);
256da02d 8104
96b08fd6 8105 nl80211_send_sched_scan(sched_scan_req, NL80211_CMD_START_SCHED_SCAN);
256da02d
LC		 8106 return 0;
8107
8108out_free:
31a60ed1 8109 kfree(sched_scan_req);
256da02d 8110out_err:
807f8a8c
LC		 8111 return err;
8112}
8113
8114static int nl80211_stop_sched_scan(struct sk_buff *skb,
8115 struct genl_info *info)
8116{
ca986ad9 8117 struct cfg80211_sched_scan_request *req;
807f8a8c 8118 struct cfg80211_registered_device *rdev = info->user_ptr[0];
ca986ad9 8119 u64 cookie;
807f8a8c 8120
ca986ad9 8121 if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_stop)
807f8a8c
LC		 8122 return -EOPNOTSUPP;
8123
ca986ad9
AVS		 8124 if (info->attrs[NL80211_ATTR_COOKIE]) {
8125 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
8126 return __cfg80211_stop_sched_scan(rdev, cookie, false);
8127 }
8128
8129 req = list_first_or_null_rcu(&rdev->sched_scan_req_list,
8130 struct cfg80211_sched_scan_request,
8131 list);
8132 if (!req || req->reqid ||
8133 (req->owner_nlportid &&
8134 req->owner_nlportid != info->snd_portid))
8135 return -ENOENT;
8136
8137 return cfg80211_stop_sched_scan_req(rdev, req, false);
807f8a8c
LC		 8138}
8139
04f39047
SW		 8140static int nl80211_start_radar_detection(struct sk_buff *skb,
8141 struct genl_info *info)
8142{
8143 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8144 struct net_device *dev = info->user_ptr[1];
8145 struct wireless_dev *wdev = dev->ieee80211_ptr;
13cf6dec 8146 struct wiphy *wiphy = wdev->wiphy;
04f39047 8147 struct cfg80211_chan_def chandef;
55f7435c 8148 enum nl80211_dfs_regions dfs_region;
31559f35 8149 unsigned int cac_time_ms;
04f39047
SW		 8150 int err;
8151
13cf6dec 8152 dfs_region = reg_get_dfs_region(wiphy);
55f7435c
LR		 8153 if (dfs_region == NL80211_DFS_UNSET)
8154 return -EINVAL;
8155
04f39047
SW		 8156 err = nl80211_parse_chandef(rdev, info, &chandef);
8157 if (err)
8158 return err;
8159
ff311bc1
SW		 8160 if (netif_carrier_ok(dev))
8161 return -EBUSY;
8162
04f39047
SW		 8163 if (wdev->cac_started)
8164 return -EBUSY;
8165
13cf6dec 8166 err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype);
04f39047
SW		 8167 if (err < 0)
8168 return err;
8169
8170 if (err == 0)
8171 return -EINVAL;
8172
13cf6dec 8173 if (!cfg80211_chandef_dfs_usable(wiphy, &chandef))
04f39047
SW		 8174 return -EINVAL;
8175
13cf6dec
DL		 8176 /* CAC start is offloaded to HW and can't be started manually */
8177 if (wiphy_ext_feature_isset(wiphy, NL80211_EXT_FEATURE_DFS_OFFLOAD))
8178 return -EOPNOTSUPP;
8179
04f39047
SW		 8180 if (!rdev->ops->start_radar_detection)
8181 return -EOPNOTSUPP;
8182
31559f35
JD		 8183 cac_time_ms = cfg80211_chandef_dfs_cac_time(&rdev->wiphy, &chandef);
8184 if (WARN_ON(!cac_time_ms))
8185 cac_time_ms = IEEE80211_DFS_MIN_CAC_TIME_MS;
8186
a1056b1b 8187 err = rdev_start_radar_detection(rdev, dev, &chandef, cac_time_ms);
04f39047 8188 if (!err) {
9e0e2961 8189 wdev->chandef = chandef;
04f39047
SW		 8190 wdev->cac_started = true;
8191 wdev->cac_start_time = jiffies;
31559f35 8192 wdev->cac_time_ms = cac_time_ms;
04f39047 8193 }
04f39047
SW		 8194 return err;
8195}
8196
30c63115
S		 8197static int nl80211_notify_radar_detection(struct sk_buff *skb,
8198 struct genl_info *info)
8199{
8200 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8201 struct net_device *dev = info->user_ptr[1];
8202 struct wireless_dev *wdev = dev->ieee80211_ptr;
8203 struct wiphy *wiphy = wdev->wiphy;
8204 struct cfg80211_chan_def chandef;
8205 enum nl80211_dfs_regions dfs_region;
8206 int err;
8207
8208 dfs_region = reg_get_dfs_region(wiphy);
8209 if (dfs_region == NL80211_DFS_UNSET) {
8210 GENL_SET_ERR_MSG(info,
8211 "DFS Region is not set. Unexpected Radar indication");
8212 return -EINVAL;
8213 }
8214
8215 err = nl80211_parse_chandef(rdev, info, &chandef);
8216 if (err) {
8217 GENL_SET_ERR_MSG(info, "Unable to extract chandef info");
8218 return err;
8219 }
8220
8221 err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype);
8222 if (err < 0) {
8223 GENL_SET_ERR_MSG(info, "chandef is invalid");
8224 return err;
8225 }
8226
8227 if (err == 0) {
8228 GENL_SET_ERR_MSG(info,
8229 "Unexpected Radar indication for chandef/iftype");
8230 return -EINVAL;
8231 }
8232
8233 /* Do not process this notification if radar is already detected
8234 * by kernel on this channel, and return success.
8235 */
8236 if (chandef.chan->dfs_state == NL80211_DFS_UNAVAILABLE)
8237 return 0;
8238
8239 cfg80211_set_dfs_state(wiphy, &chandef, NL80211_DFS_UNAVAILABLE);
8240
8241 cfg80211_sched_dfs_chan_update(rdev);
8242
a680fe46 8243 rdev->radar_chandef = chandef;
30c63115
S		 8244
8245 /* Propagate this notification to other radios as well */
8246 queue_work(cfg80211_wq, &rdev->propagate_radar_detect_wk);
8247
8248 return 0;
8249}
8250
16ef1fe2
SW		 8251static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info)
8252{
8253 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8254 struct net_device *dev = info->user_ptr[1];
8255 struct wireless_dev *wdev = dev->ieee80211_ptr;
8256 struct cfg80211_csa_settings params;
8257 /* csa_attrs is defined static to avoid waste of stack size - this
8258 * function is called under RTNL lock, so this should not be a problem.
8259 */
8260 static struct nlattr *csa_attrs[NL80211_ATTR_MAX+1];
16ef1fe2 8261 int err;
ee4bc9e7 8262 bool need_new_beacon = false;
8d9de16f 8263 bool need_handle_dfs_flag = true;
9a774c78 8264 int len, i;
252e07ca 8265 u32 cs_count;
16ef1fe2
SW		 8266
8267 if (!rdev->ops->channel_switch ||
8268 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH))
8269 return -EOPNOTSUPP;
8270
ee4bc9e7
SW		 8271 switch (dev->ieee80211_ptr->iftype) {
8272 case NL80211_IFTYPE_AP:
8273 case NL80211_IFTYPE_P2P_GO:
8274 need_new_beacon = true;
8d9de16f
BB		 8275 /* For all modes except AP the handle_dfs flag needs to be
8276 * supplied to tell the kernel that userspace will handle radar
8277 * events when they happen. Otherwise a switch to a channel
8278 * requiring DFS will be rejected.
8279 */
8280 need_handle_dfs_flag = false;
ee4bc9e7
SW		 8281
8282 /* useless if AP is not running */
8283 if (!wdev->beacon_interval)
1ff79dfa 8284 return -ENOTCONN;
ee4bc9e7
SW		 8285 break;
8286 case NL80211_IFTYPE_ADHOC:
1ff79dfa
JB		 8287 if (!wdev->ssid_len)
8288 return -ENOTCONN;
8289 break;
c6da674a 8290 case NL80211_IFTYPE_MESH_POINT:
1ff79dfa
JB		 8291 if (!wdev->mesh_id_len)
8292 return -ENOTCONN;
ee4bc9e7
SW		 8293 break;
8294 default:
16ef1fe2 8295 return -EOPNOTSUPP;
ee4bc9e7 8296 }
16ef1fe2
SW		 8297
8298 memset(&params, 0, sizeof(params));
c177db2d 8299 params.beacon_csa.ftm_responder = -1;
16ef1fe2
SW		 8300
8301 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
8302 !info->attrs[NL80211_ATTR_CH_SWITCH_COUNT])
8303 return -EINVAL;
8304
8305 /* only important for AP, IBSS and mesh create IEs internally */
d0a361a5 8306 if (need_new_beacon && !info->attrs[NL80211_ATTR_CSA_IES])
16ef1fe2
SW		 8307 return -EINVAL;
8308
252e07ca
LC		 8309 /* Even though the attribute is u32, the specification says
8310 * u8, so let's make sure we don't overflow.
8311 */
8312 cs_count = nla_get_u32(info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]);
8313 if (cs_count > 255)
8314 return -EINVAL;
8315
8316 params.count = cs_count;
16ef1fe2 8317
ee4bc9e7
SW		 8318 if (!need_new_beacon)
8319 goto skip_beacons;
8320
81e54d08 8321 err = nl80211_parse_beacon(rdev, info->attrs, &params.beacon_after);
16ef1fe2
SW		 8322 if (err)
8323 return err;
8324
8cb08174
JB		 8325 err = nla_parse_nested_deprecated(csa_attrs, NL80211_ATTR_MAX,
8326 info->attrs[NL80211_ATTR_CSA_IES],
8327 nl80211_policy, info->extack);
16ef1fe2
SW		 8328 if (err)
8329 return err;
8330
81e54d08 8331 err = nl80211_parse_beacon(rdev, csa_attrs, &params.beacon_csa);
16ef1fe2
SW		 8332 if (err)
8333 return err;
8334
8335 if (!csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON])
8336 return -EINVAL;
8337
9a774c78
AO		 8338 len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]);
8339 if (!len || (len % sizeof(u16)))
16ef1fe2
SW		 8340 return -EINVAL;
8341
9a774c78
AO		 8342 params.n_counter_offsets_beacon = len / sizeof(u16);
8343 if (rdev->wiphy.max_num_csa_counters &&
8344 (params.n_counter_offsets_beacon >
8345 rdev->wiphy.max_num_csa_counters))
16ef1fe2
SW		 8346 return -EINVAL;
8347
9a774c78
AO		 8348 params.counter_offsets_beacon =
8349 nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]);
8350
8351 /* sanity checks - counters should fit and be the same */
8352 for (i = 0; i < params.n_counter_offsets_beacon; i++) {
8353 u16 offset = params.counter_offsets_beacon[i];
8354
8355 if (offset >= params.beacon_csa.tail_len)
8356 return -EINVAL;
8357
8358 if (params.beacon_csa.tail[offset] != params.count)
8359 return -EINVAL;
8360 }
8361
16ef1fe2 8362 if (csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]) {
9a774c78
AO		 8363 len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]);
8364 if (!len || (len % sizeof(u16)))
16ef1fe2
SW		 8365 return -EINVAL;
8366
9a774c78
AO		 8367 params.n_counter_offsets_presp = len / sizeof(u16);
8368 if (rdev->wiphy.max_num_csa_counters &&
ad5987b4 8369 (params.n_counter_offsets_presp >
9a774c78 8370 rdev->wiphy.max_num_csa_counters))
16ef1fe2 8371 return -EINVAL;
9a774c78
AO		 8372
8373 params.counter_offsets_presp =
8374 nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]);
8375
8376 /* sanity checks - counters should fit and be the same */
8377 for (i = 0; i < params.n_counter_offsets_presp; i++) {
8378 u16 offset = params.counter_offsets_presp[i];
8379
8380 if (offset >= params.beacon_csa.probe_resp_len)
8381 return -EINVAL;
8382
8383 if (params.beacon_csa.probe_resp[offset] !=
8384 params.count)
8385 return -EINVAL;
8386 }
16ef1fe2
SW		 8387 }
8388
ee4bc9e7 8389skip_beacons:
16ef1fe2
SW		 8390 err = nl80211_parse_chandef(rdev, info, &params.chandef);
8391 if (err)
8392 return err;
8393
923b352f
AN		 8394 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &params.chandef,
8395 wdev->iftype))
16ef1fe2
SW		 8396 return -EINVAL;
8397
2beb6dab
LC		 8398 err = cfg80211_chandef_dfs_required(wdev->wiphy,
8399 &params.chandef,
8400 wdev->iftype);
8401 if (err < 0)
8402 return err;
8403
8d9de16f 8404 if (err > 0) {
2beb6dab 8405 params.radar_required = true;
8d9de16f
BB		 8406 if (need_handle_dfs_flag &&
8407 !nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS])) {
8408 return -EINVAL;
8409 }
8410 }
16ef1fe2 8411
16ef1fe2
SW		 8412 if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX])
8413 params.block_tx = true;
8414
c56589ed
SW		 8415 wdev_lock(wdev);
8416 err = rdev_channel_switch(rdev, dev, &params);
8417 wdev_unlock(wdev);
8418
8419 return err;
16ef1fe2
SW		 8420}
8421
9720bb3a
JB		 8422static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
8423 u32 seq, int flags,
2a519311 8424 struct cfg80211_registered_device *rdev,
48ab905d
JB		 8425 struct wireless_dev *wdev,
8426 struct cfg80211_internal_bss *intbss)
2a519311 8427{
48ab905d 8428 struct cfg80211_bss *res = &intbss->pub;
9caf0364 8429 const struct cfg80211_bss_ies *ies;
2a519311
JB		 8430 void *hdr;
8431 struct nlattr *bss;
48ab905d
JB		 8432
8433 ASSERT_WDEV_LOCK(wdev);
2a519311 8434
15e47304 8435 hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
2a519311
JB		 8436 NL80211_CMD_NEW_SCAN_RESULTS);
8437 if (!hdr)
8438 return -1;
8439
0a833c29 8440 genl_dump_check_consistent(cb, hdr);
9720bb3a 8441
97990a06
JB		 8442 if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation))
8443 goto nla_put_failure;
8444 if (wdev->netdev &&
9360ffd1
DM		 8445 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex))
8446 goto nla_put_failure;
2dad624e
ND		 8447 if (nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
8448 NL80211_ATTR_PAD))
97990a06 8449 goto nla_put_failure;
2a519311 8450
ae0be8de 8451 bss = nla_nest_start_noflag(msg, NL80211_ATTR_BSS);
2a519311
JB		 8452 if (!bss)
8453 goto nla_put_failure;
9360ffd1 8454 if ((!is_zero_ether_addr(res->bssid) &&
9caf0364 8455 nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid)))
9360ffd1 8456 goto nla_put_failure;
9caf0364
JB		 8457
8458 rcu_read_lock();
0e227084
JB		 8459 /* indicate whether we have probe response data or not */
8460 if (rcu_access_pointer(res->proberesp_ies) &&
8461 nla_put_flag(msg, NL80211_BSS_PRESP_DATA))
8462 goto fail_unlock_rcu;
8463
8464 /* this pointer prefers to be pointed to probe response data
8465 * but is always valid
8466 */
9caf0364 8467 ies = rcu_dereference(res->ies);
8cef2c9d 8468 if (ies) {
2dad624e
ND		 8469 if (nla_put_u64_64bit(msg, NL80211_BSS_TSF, ies->tsf,
8470 NL80211_BSS_PAD))
8cef2c9d 8471 goto fail_unlock_rcu;
8cef2c9d
JB		 8472 if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS,
8473 ies->len, ies->data))
8474 goto fail_unlock_rcu;
9caf0364 8475 }
0e227084
JB		 8476
8477 /* and this pointer is always (unless driver didn't know) beacon data */
9caf0364 8478 ies = rcu_dereference(res->beacon_ies);
0e227084 8479 if (ies && ies->from_beacon) {
2dad624e
ND		 8480 if (nla_put_u64_64bit(msg, NL80211_BSS_BEACON_TSF, ies->tsf,
8481 NL80211_BSS_PAD))
8cef2c9d
JB		 8482 goto fail_unlock_rcu;
8483 if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES,
8484 ies->len, ies->data))
8485 goto fail_unlock_rcu;
9caf0364
JB		 8486 }
8487 rcu_read_unlock();
8488
9360ffd1
DM		 8489 if (res->beacon_interval &&
8490 nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval))
8491 goto nla_put_failure;
8492 if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) ||
8493 nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) ||
dcd6eac1 8494 nla_put_u32(msg, NL80211_BSS_CHAN_WIDTH, res->scan_width) ||
9360ffd1
DM		 8495 nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO,
8496 jiffies_to_msecs(jiffies - intbss->ts)))
8497 goto nla_put_failure;
2a519311 8498
1d76250b
AS		 8499 if (intbss->parent_tsf &&
8500 (nla_put_u64_64bit(msg, NL80211_BSS_PARENT_TSF,
8501 intbss->parent_tsf, NL80211_BSS_PAD) ||
8502 nla_put(msg, NL80211_BSS_PARENT_BSSID, ETH_ALEN,
8503 intbss->parent_bssid)))
8504 goto nla_put_failure;
8505
6e19bc4b 8506 if (intbss->ts_boottime &&
2dad624e
ND		 8507 nla_put_u64_64bit(msg, NL80211_BSS_LAST_SEEN_BOOTTIME,
8508 intbss->ts_boottime, NL80211_BSS_PAD))
6e19bc4b
DS		 8509 goto nla_put_failure;
8510
983dafaa
SD		 8511 if (!nl80211_put_signal(msg, intbss->pub.chains,
8512 intbss->pub.chain_signal,
8513 NL80211_BSS_CHAIN_SIGNAL))
8514 goto nla_put_failure;
8515
77965c97 8516 switch (rdev->wiphy.signal_type) {
2a519311 8517 case CFG80211_SIGNAL_TYPE_MBM:
9360ffd1
DM		 8518 if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal))
8519 goto nla_put_failure;
2a519311
JB		 8520 break;
8521 case CFG80211_SIGNAL_TYPE_UNSPEC:
9360ffd1
DM		 8522 if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal))
8523 goto nla_put_failure;
2a519311
JB		 8524 break;
8525 default:
8526 break;
8527 }
8528
48ab905d 8529 switch (wdev->iftype) {
074ac8df 8530 case NL80211_IFTYPE_P2P_CLIENT:
48ab905d 8531 case NL80211_IFTYPE_STATION:
9360ffd1
DM		 8532 if (intbss == wdev->current_bss &&
8533 nla_put_u32(msg, NL80211_BSS_STATUS,
8534 NL80211_BSS_STATUS_ASSOCIATED))
8535 goto nla_put_failure;
48ab905d
JB		 8536 break;
8537 case NL80211_IFTYPE_ADHOC:
9360ffd1
DM		 8538 if (intbss == wdev->current_bss &&
8539 nla_put_u32(msg, NL80211_BSS_STATUS,
8540 NL80211_BSS_STATUS_IBSS_JOINED))
8541 goto nla_put_failure;
48ab905d
JB		 8542 break;
8543 default:
8544 break;
8545 }
8546
2a519311
JB		 8547 nla_nest_end(msg, bss);
8548
053c095a
JB		 8549 genlmsg_end(msg, hdr);
8550 return 0;
2a519311 8551
8cef2c9d
JB		 8552 fail_unlock_rcu:
8553 rcu_read_unlock();
2a519311
JB		 8554 nla_put_failure:
8555 genlmsg_cancel(msg, hdr);
8556 return -EMSGSIZE;
8557}
8558
97990a06 8559static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb)
2a519311 8560{
48ab905d 8561 struct cfg80211_registered_device *rdev;
2a519311 8562 struct cfg80211_internal_bss *scan;
48ab905d 8563 struct wireless_dev *wdev;
97990a06 8564 int start = cb->args[2], idx = 0;
2a519311
JB		 8565 int err;
8566
ea90e0dc 8567 rtnl_lock();
5297c65c 8568 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
ea90e0dc
JB		 8569 if (err) {
8570 rtnl_unlock();
67748893 8571 return err;
ea90e0dc 8572 }
2a519311 8573
48ab905d
JB		 8574 wdev_lock(wdev);
8575 spin_lock_bh(&rdev->bss_lock);
d1e23c94
DK		 8576
8577 /*
8578 * dump_scan will be called multiple times to break up the scan results
8579 * into multiple messages. It is unlikely that any more bss-es will be
8580 * expired after the first call, so only call only call this on the
8581 * first dump_scan invocation.
8582 */
8583 if (start == 0)
8584 cfg80211_bss_expire(rdev);
48ab905d 8585
9720bb3a
JB		 8586 cb->seq = rdev->bss_generation;
8587
48ab905d 8588 list_for_each_entry(scan, &rdev->bss_list, list) {
2a519311
JB		 8589 if (++idx <= start)
8590 continue;
9720bb3a 8591 if (nl80211_send_bss(skb, cb,
2a519311 8592 cb->nlh->nlmsg_seq, NLM_F_MULTI,
48ab905d 8593 rdev, wdev, scan) < 0) {
2a519311 8594 idx--;
67748893 8595 break;
2a519311
JB		 8596 }
8597 }
8598
48ab905d
JB		 8599 spin_unlock_bh(&rdev->bss_lock);
8600 wdev_unlock(wdev);
2a519311 8601
97990a06 8602 cb->args[2] = idx;
ea90e0dc 8603 rtnl_unlock();
2a519311 8604
67748893 8605 return skb->len;
2a519311
JB		 8606}
8607
15e47304 8608static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq,
11f78ac3
JB		 8609 int flags, struct net_device *dev,
8610 bool allow_radio_stats,
8611 struct survey_info *survey)
61fa713c
HS		 8612{
8613 void *hdr;
8614 struct nlattr *infoattr;
8615
11f78ac3
JB		 8616 /* skip radio stats if userspace didn't request them */
8617 if (!survey->channel && !allow_radio_stats)
8618 return 0;
8619
15e47304 8620 hdr = nl80211hdr_put(msg, portid, seq, flags,
61fa713c
HS		 8621 NL80211_CMD_NEW_SURVEY_RESULTS);
8622 if (!hdr)
8623 return -ENOMEM;
8624
9360ffd1
DM		 8625 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
8626 goto nla_put_failure;
61fa713c 8627
ae0be8de 8628 infoattr = nla_nest_start_noflag(msg, NL80211_ATTR_SURVEY_INFO);
61fa713c
HS		 8629 if (!infoattr)
8630 goto nla_put_failure;
8631
11f78ac3
JB		 8632 if (survey->channel &&
8633 nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY,
9360ffd1
DM		 8634 survey->channel->center_freq))
8635 goto nla_put_failure;
8636
8637 if ((survey->filled & SURVEY_INFO_NOISE_DBM) &&
8638 nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise))
8639 goto nla_put_failure;
8640 if ((survey->filled & SURVEY_INFO_IN_USE) &&
8641 nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE))
8642 goto nla_put_failure;
4ed20beb 8643 if ((survey->filled & SURVEY_INFO_TIME) &&
2dad624e
ND		 8644 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME,
8645 survey->time, NL80211_SURVEY_INFO_PAD))
9360ffd1 8646 goto nla_put_failure;
4ed20beb 8647 if ((survey->filled & SURVEY_INFO_TIME_BUSY) &&
2dad624e
ND		 8648 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BUSY,
8649 survey->time_busy, NL80211_SURVEY_INFO_PAD))
9360ffd1 8650 goto nla_put_failure;
4ed20beb 8651 if ((survey->filled & SURVEY_INFO_TIME_EXT_BUSY) &&
2dad624e
ND		 8652 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_EXT_BUSY,
8653 survey->time_ext_busy, NL80211_SURVEY_INFO_PAD))
9360ffd1 8654 goto nla_put_failure;
4ed20beb 8655 if ((survey->filled & SURVEY_INFO_TIME_RX) &&
2dad624e
ND		 8656 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_RX,
8657 survey->time_rx, NL80211_SURVEY_INFO_PAD))
9360ffd1 8658 goto nla_put_failure;
4ed20beb 8659 if ((survey->filled & SURVEY_INFO_TIME_TX) &&
2dad624e
ND		 8660 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_TX,
8661 survey->time_tx, NL80211_SURVEY_INFO_PAD))
9360ffd1 8662 goto nla_put_failure;
052536ab 8663 if ((survey->filled & SURVEY_INFO_TIME_SCAN) &&
2dad624e
ND		 8664 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_SCAN,
8665 survey->time_scan, NL80211_SURVEY_INFO_PAD))
052536ab 8666 goto nla_put_failure;
61fa713c
HS		 8667
8668 nla_nest_end(msg, infoattr);
8669
053c095a
JB		 8670 genlmsg_end(msg, hdr);
8671 return 0;
61fa713c
HS		 8672
8673 nla_put_failure:
8674 genlmsg_cancel(msg, hdr);
8675 return -EMSGSIZE;
8676}
8677
11f78ac3 8678static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb)
61fa713c 8679{
c90c39da 8680 struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam);
61fa713c 8681 struct survey_info survey;
1b8ec87a 8682 struct cfg80211_registered_device *rdev;
97990a06
JB		 8683 struct wireless_dev *wdev;
8684 int survey_idx = cb->args[2];
61fa713c 8685 int res;
11f78ac3 8686 bool radio_stats;
61fa713c 8687
ea90e0dc 8688 rtnl_lock();
5297c65c 8689 res = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
67748893 8690 if (res)
ea90e0dc 8691 goto out_err;
61fa713c 8692
11f78ac3 8693 /* prepare_wdev_dump parsed the attributes */
c90c39da 8694 radio_stats = attrbuf[NL80211_ATTR_SURVEY_RADIO_STATS];
11f78ac3 8695
97990a06
JB		 8696 if (!wdev->netdev) {
8697 res = -EINVAL;
8698 goto out_err;
8699 }
8700
1b8ec87a 8701 if (!rdev->ops->dump_survey) {
61fa713c
HS		 8702 res = -EOPNOTSUPP;
8703 goto out_err;
8704 }
8705
8706 while (1) {
1b8ec87a 8707 res = rdev_dump_survey(rdev, wdev->netdev, survey_idx, &survey);
61fa713c
HS		 8708 if (res == -ENOENT)
8709 break;
8710 if (res)
8711 goto out_err;
8712
11f78ac3
JB		 8713 /* don't send disabled channels, but do send non-channel data */
8714 if (survey.channel &&
8715 survey.channel->flags & IEEE80211_CHAN_DISABLED) {
180cdc79
LR		 8716 survey_idx++;
8717 continue;
8718 }
8719
61fa713c 8720 if (nl80211_send_survey(skb,
15e47304 8721 NETLINK_CB(cb->skb).portid,
61fa713c 8722 cb->nlh->nlmsg_seq, NLM_F_MULTI,
11f78ac3 8723 wdev->netdev, radio_stats, &survey) < 0)
61fa713c
HS		 8724 goto out;
8725 survey_idx++;
8726 }
8727
8728 out:
97990a06 8729 cb->args[2] = survey_idx;
61fa713c
HS		 8730 res = skb->len;
8731 out_err:
ea90e0dc 8732 rtnl_unlock();
61fa713c
HS		 8733 return res;
8734}
8735
b23aa676
SO		 8736static bool nl80211_valid_wpa_versions(u32 wpa_versions)
8737{
8738 return !(wpa_versions & ~(NL80211_WPA_VERSION_1 |
8739 NL80211_WPA_VERSION_2));
8740}
8741
636a5d36
JM		 8742static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
8743{
4c476991
JB		 8744 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8745 struct net_device *dev = info->user_ptr[1];
19957bb3 8746 struct ieee80211_channel *chan;
11b6b5a4
JM		 8747 const u8 *bssid, *ssid, *ie = NULL, *auth_data = NULL;
8748 int err, ssid_len, ie_len = 0, auth_data_len = 0;
19957bb3 8749 enum nl80211_auth_type auth_type;
fffd0934 8750 struct key_parse key;
d5cdfacb 8751 bool local_state_change;
636a5d36 8752
f4a11bb0
JB		 8753 if (!info->attrs[NL80211_ATTR_MAC])
8754 return -EINVAL;
8755
1778092e
JM		 8756 if (!info->attrs[NL80211_ATTR_AUTH_TYPE])
8757 return -EINVAL;
8758
19957bb3
JB		 8759 if (!info->attrs[NL80211_ATTR_SSID])
8760 return -EINVAL;
8761
8762 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
8763 return -EINVAL;
8764
fffd0934
JB		 8765 err = nl80211_parse_key(info, &key);
8766 if (err)
8767 return err;
8768
8769 if (key.idx >= 0) {
e31b8213
JB		 8770 if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP)
8771 return -EINVAL;
fffd0934
JB		 8772 if (!key.p.key || !key.p.key_len)
8773 return -EINVAL;
8774 if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 ||
8775 key.p.key_len != WLAN_KEY_LEN_WEP40) &&
8776 (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 ||
8777 key.p.key_len != WLAN_KEY_LEN_WEP104))
8778 return -EINVAL;
b6b5555b 8779 if (key.idx > 3)
fffd0934
JB		 8780 return -EINVAL;
8781 } else {
8782 key.p.key_len = 0;
8783 key.p.key = NULL;
8784 }
8785
afea0b7a
JB		 8786 if (key.idx >= 0) {
8787 int i;
8788 bool ok = false;
7a087e74 8789
afea0b7a
JB		 8790 for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) {
8791 if (key.p.cipher == rdev->wiphy.cipher_suites[i]) {
8792 ok = true;
8793 break;
8794 }
8795 }
4c476991
JB		 8796 if (!ok)
8797 return -EINVAL;
afea0b7a
JB		 8798 }
8799
4c476991
JB		 8800 if (!rdev->ops->auth)
8801 return -EOPNOTSUPP;
636a5d36 8802
074ac8df 8803 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 8804 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
8805 return -EOPNOTSUPP;
eec60b03 8806
19957bb3 8807 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
664834de
JM		 8808 chan = nl80211_get_valid_chan(&rdev->wiphy,
8809 info->attrs[NL80211_ATTR_WIPHY_FREQ]);
8810 if (!chan)
4c476991 8811 return -EINVAL;
636a5d36 8812
19957bb3
JB		 8813 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
8814 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
636a5d36
JM		 8815
8816 if (info->attrs[NL80211_ATTR_IE]) {
19957bb3
JB		 8817 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
8818 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
636a5d36
JM		 8819 }
8820
19957bb3 8821 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
e39e5b5e 8822 if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE))
4c476991 8823 return -EINVAL;
636a5d36 8824
63181060
JM		 8825 if ((auth_type == NL80211_AUTHTYPE_SAE ||
8826 auth_type == NL80211_AUTHTYPE_FILS_SK ||
8827 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
8828 auth_type == NL80211_AUTHTYPE_FILS_PK) &&
11b6b5a4 8829 !info->attrs[NL80211_ATTR_AUTH_DATA])
e39e5b5e
JM		 8830 return -EINVAL;
8831
11b6b5a4 8832 if (info->attrs[NL80211_ATTR_AUTH_DATA]) {
63181060
JM		 8833 if (auth_type != NL80211_AUTHTYPE_SAE &&
8834 auth_type != NL80211_AUTHTYPE_FILS_SK &&
8835 auth_type != NL80211_AUTHTYPE_FILS_SK_PFS &&
8836 auth_type != NL80211_AUTHTYPE_FILS_PK)
e39e5b5e 8837 return -EINVAL;
11b6b5a4
JM		 8838 auth_data = nla_data(info->attrs[NL80211_ATTR_AUTH_DATA]);
8839 auth_data_len = nla_len(info->attrs[NL80211_ATTR_AUTH_DATA]);
e39e5b5e 8840 /* need to include at least Auth Transaction and Status Code */
11b6b5a4 8841 if (auth_data_len < 4)
e39e5b5e
JM		 8842 return -EINVAL;
8843 }
8844
d5cdfacb
JM		 8845 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
8846
95de817b
JB		 8847 /*
8848 * Since we no longer track auth state, ignore
8849 * requests to only change local state.
8850 */
8851 if (local_state_change)
8852 return 0;
8853
91bf9b26
JB		 8854 wdev_lock(dev->ieee80211_ptr);
8855 err = cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid,
8856 ssid, ssid_len, ie, ie_len,
8857 key.p.key, key.p.key_len, key.idx,
11b6b5a4 8858 auth_data, auth_data_len);
91bf9b26
JB		 8859 wdev_unlock(dev->ieee80211_ptr);
8860 return err;
636a5d36
JM		 8861}
8862
64bf3d4b
DK		 8863static int validate_pae_over_nl80211(struct cfg80211_registered_device *rdev,
8864 struct genl_info *info)
8865{
8866 if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
8867 GENL_SET_ERR_MSG(info, "SOCKET_OWNER not set");
8868 return -EINVAL;
8869 }
8870
8871 if (!rdev->ops->tx_control_port ||
8872 !wiphy_ext_feature_isset(&rdev->wiphy,
8873 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
8874 return -EOPNOTSUPP;
8875
8876 return 0;
8877}
8878
c0692b8f
JB		 8879static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
8880 struct genl_info *info,
3dc27d25
JB		 8881 struct cfg80211_crypto_settings *settings,
8882 int cipher_limit)
b23aa676 8883{
c0b2bbd8
JB		 8884 memset(settings, 0, sizeof(*settings));
8885
b23aa676
SO		 8886 settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT];
8887
c0692b8f
JB		 8888 if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
8889 u16 proto;
7a087e74 8890
c0692b8f
JB		 8891 proto = nla_get_u16(
8892 info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
8893 settings->control_port_ethertype = cpu_to_be16(proto);
8894 if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
8895 proto != ETH_P_PAE)
8896 return -EINVAL;
8897 if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT])
8898 settings->control_port_no_encrypt = true;
8899 } else
8900 settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE);
8901
64bf3d4b
DK		 8902 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
8903 int r = validate_pae_over_nl80211(rdev, info);
8904
8905 if (r < 0)
8906 return r;
8907
8908 settings->control_port_over_nl80211 = true;
8909 }
8910
b23aa676
SO		 8911 if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) {
8912 void *data;
8913 int len, i;
8914
8915 data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
8916 len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
8917 settings->n_ciphers_pairwise = len / sizeof(u32);
8918
8919 if (len % sizeof(u32))
8920 return -EINVAL;
8921
3dc27d25 8922 if (settings->n_ciphers_pairwise > cipher_limit)
b23aa676
SO		 8923 return -EINVAL;
8924
8925 memcpy(settings->ciphers_pairwise, data, len);
8926
8927 for (i = 0; i < settings->n_ciphers_pairwise; i++)
38ba3c57
JM		 8928 if (!cfg80211_supported_cipher_suite(
8929 &rdev->wiphy,
b23aa676
SO		 8930 settings->ciphers_pairwise[i]))
8931 return -EINVAL;
8932 }
8933
8934 if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) {
8935 settings->cipher_group =
8936 nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]);
38ba3c57
JM		 8937 if (!cfg80211_supported_cipher_suite(&rdev->wiphy,
8938 settings->cipher_group))
b23aa676
SO		 8939 return -EINVAL;
8940 }
8941
8942 if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) {
8943 settings->wpa_versions =
8944 nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]);
8945 if (!nl80211_valid_wpa_versions(settings->wpa_versions))
8946 return -EINVAL;
8947 }
8948
8949 if (info->attrs[NL80211_ATTR_AKM_SUITES]) {
8950 void *data;
6d30240e 8951 int len;
b23aa676
SO		 8952
8953 data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]);
8954 len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]);
8955 settings->n_akm_suites = len / sizeof(u32);
8956
8957 if (len % sizeof(u32))
8958 return -EINVAL;
8959
1b9ca027
JM		 8960 if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES)
8961 return -EINVAL;
8962
b23aa676 8963 memcpy(settings->akm_suites, data, len);
b23aa676
SO		 8964 }
8965
91b5ab62
EP		 8966 if (info->attrs[NL80211_ATTR_PMK]) {
8967 if (nla_len(info->attrs[NL80211_ATTR_PMK]) != WLAN_PMK_LEN)
8968 return -EINVAL;
8969 if (!wiphy_ext_feature_isset(&rdev->wiphy,
8970 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_PSK))
8971 return -EINVAL;
8972 settings->psk = nla_data(info->attrs[NL80211_ATTR_PMK]);
8973 }
8974
b23aa676
SO		 8975 return 0;
8976}
8977
636a5d36
JM		 8978static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
8979{
4c476991
JB		 8980 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8981 struct net_device *dev = info->user_ptr[1];
f444de05 8982 struct ieee80211_channel *chan;
f62fab73
JB		 8983 struct cfg80211_assoc_request req = {};
8984 const u8 *bssid, *ssid;
8985 int err, ssid_len = 0;
636a5d36 8986
bad29297
AZ		 8987 if (dev->ieee80211_ptr->conn_owner_nlportid &&
8988 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
8989 return -EPERM;
8990
f4a11bb0 8991 if (!info->attrs[NL80211_ATTR_MAC] ||
19957bb3
JB		 8992 !info->attrs[NL80211_ATTR_SSID] ||
8993 !info->attrs[NL80211_ATTR_WIPHY_FREQ])
f4a11bb0
JB		 8994 return -EINVAL;
8995
4c476991
JB		 8996 if (!rdev->ops->assoc)
8997 return -EOPNOTSUPP;
636a5d36 8998
074ac8df 8999 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 9000 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9001 return -EOPNOTSUPP;
eec60b03 9002
19957bb3 9003 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
636a5d36 9004
664834de
JM		 9005 chan = nl80211_get_valid_chan(&rdev->wiphy,
9006 info->attrs[NL80211_ATTR_WIPHY_FREQ]);
9007 if (!chan)
4c476991 9008 return -EINVAL;
636a5d36 9009
19957bb3
JB		 9010 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
9011 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
636a5d36
JM		 9012
9013 if (info->attrs[NL80211_ATTR_IE]) {
f62fab73
JB		 9014 req.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9015 req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
636a5d36
JM		 9016 }
9017
dc6382ce 9018 if (info->attrs[NL80211_ATTR_USE_MFP]) {
4f5dadce 9019 enum nl80211_mfp mfp =
dc6382ce 9020 nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
4f5dadce 9021 if (mfp == NL80211_MFP_REQUIRED)
f62fab73 9022 req.use_mfp = true;
4c476991
JB		 9023 else if (mfp != NL80211_MFP_NO)
9024 return -EINVAL;
dc6382ce
JM		 9025 }
9026
3e5d7649 9027 if (info->attrs[NL80211_ATTR_PREV_BSSID])
f62fab73 9028 req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
3e5d7649 9029
7e7c8926 9030 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
f62fab73 9031 req.flags |= ASSOC_REQ_DISABLE_HT;
7e7c8926
BG		 9032
9033 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
f62fab73
JB		 9034 memcpy(&req.ht_capa_mask,
9035 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
9036 sizeof(req.ht_capa_mask));
7e7c8926
BG		 9037
9038 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
f62fab73 9039 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
7e7c8926 9040 return -EINVAL;
f62fab73
JB		 9041 memcpy(&req.ht_capa,
9042 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
9043 sizeof(req.ht_capa));
7e7c8926
BG		 9044 }
9045
ee2aca34 9046 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
f62fab73 9047 req.flags |= ASSOC_REQ_DISABLE_VHT;
ee2aca34
JB		 9048
9049 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
f62fab73
JB		 9050 memcpy(&req.vht_capa_mask,
9051 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
9052 sizeof(req.vht_capa_mask));
ee2aca34
JB		 9053
9054 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
f62fab73 9055 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
ee2aca34 9056 return -EINVAL;
f62fab73
JB		 9057 memcpy(&req.vht_capa,
9058 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
9059 sizeof(req.vht_capa));
ee2aca34
JB		 9060 }
9061
bab5ab7d 9062 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
0c9ca11b
BL		 9063 if (!((rdev->wiphy.features &
9064 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
9065 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
9066 !wiphy_ext_feature_isset(&rdev->wiphy,
9067 NL80211_EXT_FEATURE_RRM))
bab5ab7d
AK		 9068 return -EINVAL;
9069 req.flags |= ASSOC_REQ_USE_RRM;
9070 }
9071
348bd456
JM		 9072 if (info->attrs[NL80211_ATTR_FILS_KEK]) {
9073 req.fils_kek = nla_data(info->attrs[NL80211_ATTR_FILS_KEK]);
9074 req.fils_kek_len = nla_len(info->attrs[NL80211_ATTR_FILS_KEK]);
9075 if (!info->attrs[NL80211_ATTR_FILS_NONCES])
9076 return -EINVAL;
9077 req.fils_nonces =
9078 nla_data(info->attrs[NL80211_ATTR_FILS_NONCES]);
9079 }
9080
f62fab73 9081 err = nl80211_crypto_settings(rdev, info, &req.crypto, 1);
91bf9b26
JB		 9082 if (!err) {
9083 wdev_lock(dev->ieee80211_ptr);
bd2522b1 9084
f62fab73
JB		 9085 err = cfg80211_mlme_assoc(rdev, dev, chan, bssid,
9086 ssid, ssid_len, &req);
bd2522b1
AZ		 9087
9088 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
9089 dev->ieee80211_ptr->conn_owner_nlportid =
9090 info->snd_portid;
9091 memcpy(dev->ieee80211_ptr->disconnect_bssid,
9092 bssid, ETH_ALEN);
9093 }
9094
91bf9b26
JB		 9095 wdev_unlock(dev->ieee80211_ptr);
9096 }
636a5d36 9097
636a5d36
JM		 9098 return err;
9099}
9100
9101static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
9102{
4c476991
JB		 9103 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9104 struct net_device *dev = info->user_ptr[1];
19957bb3 9105 const u8 *ie = NULL, *bssid;
91bf9b26 9106 int ie_len = 0, err;
19957bb3 9107 u16 reason_code;
d5cdfacb 9108 bool local_state_change;
636a5d36 9109
bad29297
AZ		 9110 if (dev->ieee80211_ptr->conn_owner_nlportid &&
9111 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
9112 return -EPERM;
9113
f4a11bb0
JB		 9114 if (!info->attrs[NL80211_ATTR_MAC])
9115 return -EINVAL;
9116
9117 if (!info->attrs[NL80211_ATTR_REASON_CODE])
9118 return -EINVAL;
9119
4c476991
JB		 9120 if (!rdev->ops->deauth)
9121 return -EOPNOTSUPP;
636a5d36 9122
074ac8df 9123 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 9124 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9125 return -EOPNOTSUPP;
eec60b03 9126
19957bb3 9127 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
636a5d36 9128
19957bb3
JB		 9129 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
9130 if (reason_code == 0) {
f4a11bb0 9131 /* Reason Code 0 is reserved */
4c476991 9132 return -EINVAL;
255e737e 9133 }
636a5d36
JM		 9134
9135 if (info->attrs[NL80211_ATTR_IE]) {
19957bb3
JB		 9136 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9137 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
636a5d36
JM		 9138 }
9139
d5cdfacb
JM		 9140 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
9141
91bf9b26
JB		 9142 wdev_lock(dev->ieee80211_ptr);
9143 err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code,
9144 local_state_change);
9145 wdev_unlock(dev->ieee80211_ptr);
9146 return err;
636a5d36
JM		 9147}
9148
9149static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
9150{
4c476991
JB		 9151 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9152 struct net_device *dev = info->user_ptr[1];
19957bb3 9153 const u8 *ie = NULL, *bssid;
91bf9b26 9154 int ie_len = 0, err;
19957bb3 9155 u16 reason_code;
d5cdfacb 9156 bool local_state_change;
636a5d36 9157
bad29297
AZ		 9158 if (dev->ieee80211_ptr->conn_owner_nlportid &&
9159 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
9160 return -EPERM;
9161
f4a11bb0
JB		 9162 if (!info->attrs[NL80211_ATTR_MAC])
9163 return -EINVAL;
9164
9165 if (!info->attrs[NL80211_ATTR_REASON_CODE])
9166 return -EINVAL;
9167
4c476991
JB		 9168 if (!rdev->ops->disassoc)
9169 return -EOPNOTSUPP;
636a5d36 9170
074ac8df 9171 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 9172 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9173 return -EOPNOTSUPP;
eec60b03 9174
19957bb3 9175 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
636a5d36 9176
19957bb3
JB		 9177 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
9178 if (reason_code == 0) {
f4a11bb0 9179 /* Reason Code 0 is reserved */
4c476991 9180 return -EINVAL;
255e737e 9181 }
636a5d36
JM		 9182
9183 if (info->attrs[NL80211_ATTR_IE]) {
19957bb3
JB		 9184 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9185 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
636a5d36
JM		 9186 }
9187
d5cdfacb
JM		 9188 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
9189
91bf9b26
JB		 9190 wdev_lock(dev->ieee80211_ptr);
9191 err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code,
9192 local_state_change);
9193 wdev_unlock(dev->ieee80211_ptr);
9194 return err;
636a5d36
JM		 9195}
9196
dd5b4cc7
FF		 9197static bool
9198nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev,
57fbcce3 9199 int mcast_rate[NUM_NL80211_BANDS],
dd5b4cc7
FF		 9200 int rateval)
9201{
9202 struct wiphy *wiphy = &rdev->wiphy;
9203 bool found = false;
9204 int band, i;
9205
57fbcce3 9206 for (band = 0; band < NUM_NL80211_BANDS; band++) {
dd5b4cc7
FF		 9207 struct ieee80211_supported_band *sband;
9208
9209 sband = wiphy->bands[band];
9210 if (!sband)
9211 continue;
9212
9213 for (i = 0; i < sband->n_bitrates; i++) {
9214 if (sband->bitrates[i].bitrate == rateval) {
9215 mcast_rate[band] = i + 1;
9216 found = true;
9217 break;
9218 }
9219 }
9220 }
9221
9222 return found;
9223}
9224
04a773ad
JB		 9225static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
9226{
4c476991
JB		 9227 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9228 struct net_device *dev = info->user_ptr[1];
04a773ad
JB		 9229 struct cfg80211_ibss_params ibss;
9230 struct wiphy *wiphy;
fffd0934 9231 struct cfg80211_cached_keys *connkeys = NULL;
04a773ad
JB		 9232 int err;
9233
8e30bc55
JB		 9234 memset(&ibss, 0, sizeof(ibss));
9235
683b6d3b 9236 if (!info->attrs[NL80211_ATTR_SSID] ||
04a773ad
JB		 9237 !nla_len(info->attrs[NL80211_ATTR_SSID]))
9238 return -EINVAL;
9239
8e30bc55
JB		 9240 ibss.beacon_interval = 100;
9241
12d20fc9 9242 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL])
8e30bc55
JB		 9243 ibss.beacon_interval =
9244 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
12d20fc9 9245
0c317a02
PK		 9246 err = cfg80211_validate_beacon_int(rdev, NL80211_IFTYPE_ADHOC,
9247 ibss.beacon_interval);
12d20fc9
PK		 9248 if (err)
9249 return err;
8e30bc55 9250
4c476991
JB		 9251 if (!rdev->ops->join_ibss)
9252 return -EOPNOTSUPP;
04a773ad 9253
4c476991
JB		 9254 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
9255 return -EOPNOTSUPP;
04a773ad 9256
79c97e97 9257 wiphy = &rdev->wiphy;
04a773ad 9258
39193498 9259 if (info->attrs[NL80211_ATTR_MAC]) {
04a773ad 9260 ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
39193498
JB		 9261
9262 if (!is_valid_ether_addr(ibss.bssid))
9263 return -EINVAL;
9264 }
04a773ad
JB		 9265 ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
9266 ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
9267
9268 if (info->attrs[NL80211_ATTR_IE]) {
9269 ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9270 ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9271 }
9272
683b6d3b
JB		 9273 err = nl80211_parse_chandef(rdev, info, &ibss.chandef);
9274 if (err)
9275 return err;
04a773ad 9276
174e0cd2
IP		 9277 if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef,
9278 NL80211_IFTYPE_ADHOC))
54858ee5
AS		 9279 return -EINVAL;
9280
2f301ab2 9281 switch (ibss.chandef.width) {
bf372645
SW		 9282 case NL80211_CHAN_WIDTH_5:
9283 case NL80211_CHAN_WIDTH_10:
2f301ab2
SW		 9284 case NL80211_CHAN_WIDTH_20_NOHT:
9285 break;
9286 case NL80211_CHAN_WIDTH_20:
9287 case NL80211_CHAN_WIDTH_40:
ffc11991
JD		 9288 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
9289 return -EINVAL;
9290 break;
9291 case NL80211_CHAN_WIDTH_80:
9292 case NL80211_CHAN_WIDTH_80P80:
9293 case NL80211_CHAN_WIDTH_160:
9294 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
9295 return -EINVAL;
9296 if (!wiphy_ext_feature_isset(&rdev->wiphy,
9297 NL80211_EXT_FEATURE_VHT_IBSS))
9298 return -EINVAL;
9299 break;
2f301ab2 9300 default:
c04d6150 9301 return -EINVAL;
2f301ab2 9302 }
db9c64cf 9303
04a773ad 9304 ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED];
fffd0934
JB		 9305 ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
9306
fbd2c8dc
TP		 9307 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
9308 u8 *rates =
9309 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
9310 int n_rates =
9311 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
9312 struct ieee80211_supported_band *sband =
683b6d3b 9313 wiphy->bands[ibss.chandef.chan->band];
fbd2c8dc 9314
34850ab2
JB		 9315 err = ieee80211_get_ratemask(sband, rates, n_rates,
9316 &ibss.basic_rates);
9317 if (err)
9318 return err;
fbd2c8dc 9319 }
dd5b4cc7 9320
803768f5
SW		 9321 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
9322 memcpy(&ibss.ht_capa_mask,
9323 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
9324 sizeof(ibss.ht_capa_mask));
9325
9326 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
9327 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
9328 return -EINVAL;
9329 memcpy(&ibss.ht_capa,
9330 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
9331 sizeof(ibss.ht_capa));
9332 }
9333
dd5b4cc7
FF		 9334 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
9335 !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate,
9336 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
9337 return -EINVAL;
fbd2c8dc 9338
4c476991 9339 if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) {
de7044ee
SM		 9340 bool no_ht = false;
9341
768075eb 9342 connkeys = nl80211_parse_connkeys(rdev, info, &no_ht);
4c476991
JB		 9343 if (IS_ERR(connkeys))
9344 return PTR_ERR(connkeys);
de7044ee 9345
3d9d1d66
JB		 9346 if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) &&
9347 no_ht) {
5e950a78 9348 kzfree(connkeys);
de7044ee
SM		 9349 return -EINVAL;
9350 }
4c476991 9351 }
04a773ad 9352
267335d6
AQ		 9353 ibss.control_port =
9354 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]);
9355
c3bfe1f6
DK		 9356 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
9357 int r = validate_pae_over_nl80211(rdev, info);
9358
d350a0f4
JB		 9359 if (r < 0) {
9360 kzfree(connkeys);
c3bfe1f6 9361 return r;
d350a0f4 9362 }
c3bfe1f6
DK		 9363
9364 ibss.control_port_over_nl80211 = true;
9365 }
9366
5336fa88
SW		 9367 ibss.userspace_handles_dfs =
9368 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
9369
f8d16d3e
DK		 9370 wdev_lock(dev->ieee80211_ptr);
9371 err = __cfg80211_join_ibss(rdev, dev, &ibss, connkeys);
fffd0934 9372 if (err)
b47f610b 9373 kzfree(connkeys);
f8d16d3e
DK		 9374 else if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
9375 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
9376 wdev_unlock(dev->ieee80211_ptr);
9377
04a773ad
JB		 9378 return err;
9379}
9380
9381static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info)
9382{
4c476991
JB		 9383 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9384 struct net_device *dev = info->user_ptr[1];
04a773ad 9385
4c476991
JB		 9386 if (!rdev->ops->leave_ibss)
9387 return -EOPNOTSUPP;
04a773ad 9388
4c476991
JB		 9389 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
9390 return -EOPNOTSUPP;
04a773ad 9391
4c476991 9392 return cfg80211_leave_ibss(rdev, dev, false);
04a773ad
JB		 9393}
9394
f4e583c8
AQ		 9395static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info)
9396{
9397 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9398 struct net_device *dev = info->user_ptr[1];
57fbcce3 9399 int mcast_rate[NUM_NL80211_BANDS];
f4e583c8
AQ		 9400 u32 nla_rate;
9401 int err;
9402
9403 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
876dc930
BVB		 9404 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
9405 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB)
f4e583c8
AQ		 9406 return -EOPNOTSUPP;
9407
9408 if (!rdev->ops->set_mcast_rate)
9409 return -EOPNOTSUPP;
9410
9411 memset(mcast_rate, 0, sizeof(mcast_rate));
9412
9413 if (!info->attrs[NL80211_ATTR_MCAST_RATE])
9414 return -EINVAL;
9415
9416 nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]);
9417 if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate))
9418 return -EINVAL;
9419
a1056b1b 9420 err = rdev_set_mcast_rate(rdev, dev, mcast_rate);
f4e583c8
AQ		 9421
9422 return err;
9423}
9424
ad7e718c
JB		 9425static struct sk_buff *
9426__cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev,
6c09e791
AK		 9427 struct wireless_dev *wdev, int approxlen,
9428 u32 portid, u32 seq, enum nl80211_commands cmd,
567ffc35
JB		 9429 enum nl80211_attrs attr,
9430 const struct nl80211_vendor_cmd_info *info,
9431 gfp_t gfp)
ad7e718c
JB		 9432{
9433 struct sk_buff *skb;
9434 void *hdr;
9435 struct nlattr *data;
9436
9437 skb = nlmsg_new(approxlen + 100, gfp);
9438 if (!skb)
9439 return NULL;
9440
9441 hdr = nl80211hdr_put(skb, portid, seq, 0, cmd);
9442 if (!hdr) {
9443 kfree_skb(skb);
9444 return NULL;
9445 }
9446
9447 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
9448 goto nla_put_failure;
567ffc35
JB		 9449
9450 if (info) {
9451 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_ID,
9452 info->vendor_id))
9453 goto nla_put_failure;
9454 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_SUBCMD,
9455 info->subcmd))
9456 goto nla_put_failure;
9457 }
9458
6c09e791 9459 if (wdev) {
2dad624e
ND		 9460 if (nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
9461 wdev_id(wdev), NL80211_ATTR_PAD))
6c09e791
AK		 9462 goto nla_put_failure;
9463 if (wdev->netdev &&
9464 nla_put_u32(skb, NL80211_ATTR_IFINDEX,
9465 wdev->netdev->ifindex))
9466 goto nla_put_failure;
9467 }
9468
ae0be8de 9469 data = nla_nest_start_noflag(skb, attr);
76e1fb4b
JB		 9470 if (!data)
9471 goto nla_put_failure;
ad7e718c
JB		 9472
9473 ((void **)skb->cb)[0] = rdev;
9474 ((void **)skb->cb)[1] = hdr;
9475 ((void **)skb->cb)[2] = data;
9476
9477 return skb;
9478
9479 nla_put_failure:
9480 kfree_skb(skb);
9481 return NULL;
9482}
f4e583c8 9483
e03ad6ea 9484struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy,
6c09e791 9485 struct wireless_dev *wdev,
e03ad6ea
JB		 9486 enum nl80211_commands cmd,
9487 enum nl80211_attrs attr,
55c1fdf0 9488 unsigned int portid,
e03ad6ea
JB		 9489 int vendor_event_idx,
9490 int approxlen, gfp_t gfp)
9491{
f26cbf40 9492 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
e03ad6ea
JB		 9493 const struct nl80211_vendor_cmd_info *info;
9494
9495 switch (cmd) {
9496 case NL80211_CMD_TESTMODE:
9497 if (WARN_ON(vendor_event_idx != -1))
9498 return NULL;
9499 info = NULL;
9500 break;
9501 case NL80211_CMD_VENDOR:
9502 if (WARN_ON(vendor_event_idx < 0 ||
9503 vendor_event_idx >= wiphy->n_vendor_events))
9504 return NULL;
9505 info = &wiphy->vendor_events[vendor_event_idx];
9506 break;
9507 default:
9508 WARN_ON(1);
9509 return NULL;
9510 }
9511
55c1fdf0 9512 return __cfg80211_alloc_vendor_skb(rdev, wdev, approxlen, portid, 0,
e03ad6ea
JB		 9513 cmd, attr, info, gfp);
9514}
9515EXPORT_SYMBOL(__cfg80211_alloc_event_skb);
9516
9517void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp)
9518{
9519 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
9520 void *hdr = ((void **)skb->cb)[1];
55c1fdf0 9521 struct nlmsghdr *nlhdr = nlmsg_hdr(skb);
e03ad6ea
JB		 9522 struct nlattr *data = ((void **)skb->cb)[2];
9523 enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE;
9524
bd8c78e7
JB		 9525 /* clear CB data for netlink core to own from now on */
9526 memset(skb->cb, 0, sizeof(skb->cb));
9527
e03ad6ea
JB		 9528 nla_nest_end(skb, data);
9529 genlmsg_end(skb, hdr);
9530
55c1fdf0
JB		 9531 if (nlhdr->nlmsg_pid) {
9532 genlmsg_unicast(wiphy_net(&rdev->wiphy), skb,
9533 nlhdr->nlmsg_pid);
9534 } else {
9535 if (data->nla_type == NL80211_ATTR_VENDOR_DATA)
9536 mcgrp = NL80211_MCGRP_VENDOR;
e03ad6ea 9537
55c1fdf0
JB		 9538 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
9539 skb, 0, mcgrp, gfp);
9540 }
e03ad6ea
JB		 9541}
9542EXPORT_SYMBOL(__cfg80211_send_event_skb);
9543
aff89a9b 9544#ifdef CONFIG_NL80211_TESTMODE
aff89a9b
JB		 9545static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info)
9546{
4c476991 9547 struct cfg80211_registered_device *rdev = info->user_ptr[0];
fc73f11f
DS		 9548 struct wireless_dev *wdev =
9549 __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs);
aff89a9b
JB		 9550 int err;
9551
fc73f11f
DS		 9552 if (!rdev->ops->testmode_cmd)
9553 return -EOPNOTSUPP;
9554
9555 if (IS_ERR(wdev)) {
9556 err = PTR_ERR(wdev);
9557 if (err != -EINVAL)
9558 return err;
9559 wdev = NULL;
9560 } else if (wdev->wiphy != &rdev->wiphy) {
9561 return -EINVAL;
9562 }
9563
aff89a9b
JB		 9564 if (!info->attrs[NL80211_ATTR_TESTDATA])
9565 return -EINVAL;
9566
ad7e718c 9567 rdev->cur_cmd_info = info;
fc73f11f 9568 err = rdev_testmode_cmd(rdev, wdev,
aff89a9b
JB		 9569 nla_data(info->attrs[NL80211_ATTR_TESTDATA]),
9570 nla_len(info->attrs[NL80211_ATTR_TESTDATA]));
ad7e718c 9571 rdev->cur_cmd_info = NULL;
aff89a9b 9572
aff89a9b
JB		 9573 return err;
9574}
9575
71063f0e
WYG		 9576static int nl80211_testmode_dump(struct sk_buff *skb,
9577 struct netlink_callback *cb)
9578{
00918d33 9579 struct cfg80211_registered_device *rdev;
71063f0e
WYG		 9580 int err;
9581 long phy_idx;
9582 void *data = NULL;
9583 int data_len = 0;
9584
5fe231e8
JB		 9585 rtnl_lock();
9586
71063f0e
WYG		 9587 if (cb->args[0]) {
9588 /*
9589 * 0 is a valid index, but not valid for args[0],
9590 * so we need to offset by 1.
9591 */
9592 phy_idx = cb->args[0] - 1;
a4956dca
LC		 9593
9594 rdev = cfg80211_rdev_by_wiphy_idx(phy_idx);
9595 if (!rdev) {
9596 err = -ENOENT;
9597 goto out_err;
9598 }
71063f0e 9599 } else {
c90c39da
JB		 9600 struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam);
9601
8cb08174
JB		 9602 err = nlmsg_parse_deprecated(cb->nlh,
9603 GENL_HDRLEN + nl80211_fam.hdrsize,
9604 attrbuf, nl80211_fam.maxattr,
9605 nl80211_policy, NULL);
71063f0e 9606 if (err)
5fe231e8 9607 goto out_err;
00918d33 9608
c90c39da 9609 rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
2bd7e35d 9610 if (IS_ERR(rdev)) {
5fe231e8
JB		 9611 err = PTR_ERR(rdev);
9612 goto out_err;
00918d33 9613 }
2bd7e35d 9614 phy_idx = rdev->wiphy_idx;
2bd7e35d 9615
c90c39da
JB		 9616 if (attrbuf[NL80211_ATTR_TESTDATA])
9617 cb->args[1] = (long)attrbuf[NL80211_ATTR_TESTDATA];
71063f0e
WYG		 9618 }
9619
9620 if (cb->args[1]) {
9621 data = nla_data((void *)cb->args[1]);
9622 data_len = nla_len((void *)cb->args[1]);
9623 }
9624
00918d33 9625 if (!rdev->ops->testmode_dump) {
71063f0e
WYG		 9626 err = -EOPNOTSUPP;
9627 goto out_err;
9628 }
9629
9630 while (1) {
15e47304 9631 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
71063f0e
WYG		 9632 cb->nlh->nlmsg_seq, NLM_F_MULTI,
9633 NL80211_CMD_TESTMODE);
9634 struct nlattr *tmdata;
9635
cb35fba3
DC		 9636 if (!hdr)
9637 break;
9638
9360ffd1 9639 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) {
71063f0e
WYG		 9640 genlmsg_cancel(skb, hdr);
9641 break;
9642 }
9643
ae0be8de 9644 tmdata = nla_nest_start_noflag(skb, NL80211_ATTR_TESTDATA);
71063f0e
WYG		 9645 if (!tmdata) {
9646 genlmsg_cancel(skb, hdr);
9647 break;
9648 }
e35e4d28 9649 err = rdev_testmode_dump(rdev, skb, cb, data, data_len);
71063f0e
WYG		 9650 nla_nest_end(skb, tmdata);
9651
9652 if (err == -ENOBUFS || err == -ENOENT) {
9653 genlmsg_cancel(skb, hdr);
9654 break;
9655 } else if (err) {
9656 genlmsg_cancel(skb, hdr);
9657 goto out_err;
9658 }
9659
9660 genlmsg_end(skb, hdr);
9661 }
9662
9663 err = skb->len;
9664 /* see above */
9665 cb->args[0] = phy_idx + 1;
9666 out_err:
5fe231e8 9667 rtnl_unlock();
71063f0e
WYG		 9668 return err;
9669}
aff89a9b
JB		 9670#endif
9671
b23aa676
SO		 9672static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
9673{
4c476991
JB		 9674 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9675 struct net_device *dev = info->user_ptr[1];
b23aa676
SO		 9676 struct cfg80211_connect_params connect;
9677 struct wiphy *wiphy;
fffd0934 9678 struct cfg80211_cached_keys *connkeys = NULL;
b23aa676
SO		 9679 int err;
9680
9681 memset(&connect, 0, sizeof(connect));
9682
b23aa676
SO		 9683 if (!info->attrs[NL80211_ATTR_SSID] ||
9684 !nla_len(info->attrs[NL80211_ATTR_SSID]))
9685 return -EINVAL;
9686
9687 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
9688 connect.auth_type =
9689 nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
e39e5b5e
JM		 9690 if (!nl80211_valid_auth_type(rdev, connect.auth_type,
9691 NL80211_CMD_CONNECT))
b23aa676
SO		 9692 return -EINVAL;
9693 } else
9694 connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
9695
9696 connect.privacy = info->attrs[NL80211_ATTR_PRIVACY];
9697
3a00df57
AS		 9698 if (info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS] &&
9699 !wiphy_ext_feature_isset(&rdev->wiphy,
9700 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
9701 return -EINVAL;
9702 connect.want_1x = info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS];
9703
c0692b8f 9704 err = nl80211_crypto_settings(rdev, info, &connect.crypto,
3dc27d25 9705 NL80211_MAX_NR_CIPHER_SUITES);
b23aa676
SO		 9706 if (err)
9707 return err;
b23aa676 9708
074ac8df 9709 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 9710 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9711 return -EOPNOTSUPP;
b23aa676 9712
79c97e97 9713 wiphy = &rdev->wiphy;
b23aa676 9714
4486ea98
BS		 9715 connect.bg_scan_period = -1;
9716 if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] &&
9717 (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) {
9718 connect.bg_scan_period =
9719 nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]);
9720 }
9721
b23aa676
SO		 9722 if (info->attrs[NL80211_ATTR_MAC])
9723 connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
1df4a510
JM		 9724 else if (info->attrs[NL80211_ATTR_MAC_HINT])
9725 connect.bssid_hint =
9726 nla_data(info->attrs[NL80211_ATTR_MAC_HINT]);
b23aa676
SO		 9727 connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
9728 connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
9729
9730 if (info->attrs[NL80211_ATTR_IE]) {
9731 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9732 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9733 }
9734
cee00a95
JM		 9735 if (info->attrs[NL80211_ATTR_USE_MFP]) {
9736 connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
65026002
EG		 9737 if (connect.mfp == NL80211_MFP_OPTIONAL &&
9738 !wiphy_ext_feature_isset(&rdev->wiphy,
9739 NL80211_EXT_FEATURE_MFP_OPTIONAL))
9740 return -EOPNOTSUPP;
cee00a95
JM		 9741 } else {
9742 connect.mfp = NL80211_MFP_NO;
9743 }
9744
ba6fbacf
JM		 9745 if (info->attrs[NL80211_ATTR_PREV_BSSID])
9746 connect.prev_bssid =
9747 nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
9748
b23aa676 9749 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
664834de
JM		 9750 connect.channel = nl80211_get_valid_chan(
9751 wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ]);
9752 if (!connect.channel)
1df4a510
JM		 9753 return -EINVAL;
9754 } else if (info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]) {
664834de
JM		 9755 connect.channel_hint = nl80211_get_valid_chan(
9756 wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]);
9757 if (!connect.channel_hint)
4c476991 9758 return -EINVAL;
b23aa676
SO		 9759 }
9760
fffd0934 9761 if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) {
768075eb 9762 connkeys = nl80211_parse_connkeys(rdev, info, NULL);
4c476991
JB		 9763 if (IS_ERR(connkeys))
9764 return PTR_ERR(connkeys);
fffd0934
JB		 9765 }
9766
7e7c8926
BG		 9767 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
9768 connect.flags |= ASSOC_REQ_DISABLE_HT;
9769
9770 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
9771 memcpy(&connect.ht_capa_mask,
9772 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
9773 sizeof(connect.ht_capa_mask));
9774
9775 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
b4e4f47e 9776 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) {
b47f610b 9777 kzfree(connkeys);
7e7c8926 9778 return -EINVAL;
b4e4f47e 9779 }
7e7c8926
BG		 9780 memcpy(&connect.ht_capa,
9781 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
9782 sizeof(connect.ht_capa));
9783 }
9784
ee2aca34
JB		 9785 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
9786 connect.flags |= ASSOC_REQ_DISABLE_VHT;
9787
9788 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
9789 memcpy(&connect.vht_capa_mask,
9790 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
9791 sizeof(connect.vht_capa_mask));
9792
9793 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
9794 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) {
b47f610b 9795 kzfree(connkeys);
ee2aca34
JB		 9796 return -EINVAL;
9797 }
9798 memcpy(&connect.vht_capa,
9799 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
9800 sizeof(connect.vht_capa));
9801 }
9802
bab5ab7d 9803 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
0c9ca11b
BL		 9804 if (!((rdev->wiphy.features &
9805 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
9806 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
9807 !wiphy_ext_feature_isset(&rdev->wiphy,
9808 NL80211_EXT_FEATURE_RRM)) {
707554b4 9809 kzfree(connkeys);
bab5ab7d 9810 return -EINVAL;
707554b4 9811 }
bab5ab7d
AK		 9812 connect.flags |= ASSOC_REQ_USE_RRM;
9813 }
9814
34d50519 9815 connect.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
57fbcce3 9816 if (connect.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) {
34d50519
LD		 9817 kzfree(connkeys);
9818 return -EOPNOTSUPP;
9819 }
9820
38de03d2
AS		 9821 if (info->attrs[NL80211_ATTR_BSS_SELECT]) {
9822 /* bss selection makes no sense if bssid is set */
9823 if (connect.bssid) {
9824 kzfree(connkeys);
9825 return -EINVAL;
9826 }
9827
9828 err = parse_bss_select(info->attrs[NL80211_ATTR_BSS_SELECT],
9829 wiphy, &connect.bss_select);
9830 if (err) {
9831 kzfree(connkeys);
9832 return err;
9833 }
9834 }
9835
a3caf744
VK		 9836 if (wiphy_ext_feature_isset(&rdev->wiphy,
9837 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) &&
9838 info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] &&
9839 info->attrs[NL80211_ATTR_FILS_ERP_REALM] &&
9840 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] &&
9841 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
9842 connect.fils_erp_username =
9843 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
9844 connect.fils_erp_username_len =
9845 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
9846 connect.fils_erp_realm =
9847 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
9848 connect.fils_erp_realm_len =
9849 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
9850 connect.fils_erp_next_seq_num =
9851 nla_get_u16(
9852 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]);
9853 connect.fils_erp_rrk =
9854 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
9855 connect.fils_erp_rrk_len =
9856 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
9857 } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] ||
9858 info->attrs[NL80211_ATTR_FILS_ERP_REALM] ||
9859 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] ||
9860 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
9861 kzfree(connkeys);
9862 return -EINVAL;
9863 }
9864
40cbfa90
SD		 9865 if (nla_get_flag(info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])) {
9866 if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
2f0605a6 9867 kzfree(connkeys);
40cbfa90
SD		 9868 GENL_SET_ERR_MSG(info,
9869 "external auth requires connection ownership");
9870 return -EINVAL;
9871 }
9872 connect.flags |= CONNECT_REQ_EXTERNAL_AUTH_SUPPORT;
9873 }
9874
83739b03 9875 wdev_lock(dev->ieee80211_ptr);
bd2522b1 9876
4ce2bd9c
JM		 9877 err = cfg80211_connect(rdev, dev, &connect, connkeys,
9878 connect.prev_bssid);
fffd0934 9879 if (err)
b47f610b 9880 kzfree(connkeys);
bd2522b1
AZ		 9881
9882 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
9883 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
9884 if (connect.bssid)
9885 memcpy(dev->ieee80211_ptr->disconnect_bssid,
9886 connect.bssid, ETH_ALEN);
9887 else
9888 memset(dev->ieee80211_ptr->disconnect_bssid,
9889 0, ETH_ALEN);
9890 }
9891
9892 wdev_unlock(dev->ieee80211_ptr);
9893
b23aa676
SO		 9894 return err;
9895}
9896
088e8df8 9897static int nl80211_update_connect_params(struct sk_buff *skb,
9898 struct genl_info *info)
9899{
9900 struct cfg80211_connect_params connect = {};
9901 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9902 struct net_device *dev = info->user_ptr[1];
9903 struct wireless_dev *wdev = dev->ieee80211_ptr;
7f9a3e15
VK		 9904 bool fils_sk_offload;
9905 u32 auth_type;
088e8df8 9906 u32 changed = 0;
9907 int ret;
9908
9909 if (!rdev->ops->update_connect_params)
9910 return -EOPNOTSUPP;
9911
9912 if (info->attrs[NL80211_ATTR_IE]) {
088e8df8 9913 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9914 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9915 changed |= UPDATE_ASSOC_IES;
9916 }
9917
7f9a3e15
VK		 9918 fils_sk_offload = wiphy_ext_feature_isset(&rdev->wiphy,
9919 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD);
9920
9921 /*
9922 * when driver supports fils-sk offload all attributes must be
9923 * provided. So the else covers "fils-sk-not-all" and
9924 * "no-fils-sk-any".
9925 */
9926 if (fils_sk_offload &&
9927 info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] &&
9928 info->attrs[NL80211_ATTR_FILS_ERP_REALM] &&
9929 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] &&
9930 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
9931 connect.fils_erp_username =
9932 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
9933 connect.fils_erp_username_len =
9934 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
9935 connect.fils_erp_realm =
9936 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
9937 connect.fils_erp_realm_len =
9938 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
9939 connect.fils_erp_next_seq_num =
9940 nla_get_u16(
9941 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]);
9942 connect.fils_erp_rrk =
9943 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
9944 connect.fils_erp_rrk_len =
9945 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
9946 changed |= UPDATE_FILS_ERP_INFO;
9947 } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] ||
9948 info->attrs[NL80211_ATTR_FILS_ERP_REALM] ||
9949 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] ||
9950 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
9951 return -EINVAL;
9952 }
9953
9954 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
9955 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
9956 if (!nl80211_valid_auth_type(rdev, auth_type,
9957 NL80211_CMD_CONNECT))
9958 return -EINVAL;
9959
9960 if (auth_type == NL80211_AUTHTYPE_FILS_SK &&
9961 fils_sk_offload && !(changed & UPDATE_FILS_ERP_INFO))
9962 return -EINVAL;
9963
9964 connect.auth_type = auth_type;
9965 changed |= UPDATE_AUTH_TYPE;
9966 }
9967
088e8df8 9968 wdev_lock(dev->ieee80211_ptr);
9969 if (!wdev->current_bss)
9970 ret = -ENOLINK;
9971 else
9972 ret = rdev_update_connect_params(rdev, dev, &connect, changed);
9973 wdev_unlock(dev->ieee80211_ptr);
9974
9975 return ret;
9976}
9977
b23aa676
SO		 9978static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
9979{
4c476991
JB		 9980 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9981 struct net_device *dev = info->user_ptr[1];
b23aa676 9982 u16 reason;
83739b03 9983 int ret;
b23aa676 9984
bad29297
AZ		 9985 if (dev->ieee80211_ptr->conn_owner_nlportid &&
9986 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
9987 return -EPERM;
9988
b23aa676
SO		 9989 if (!info->attrs[NL80211_ATTR_REASON_CODE])
9990 reason = WLAN_REASON_DEAUTH_LEAVING;
9991 else
9992 reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
9993
9994 if (reason == 0)
9995 return -EINVAL;
9996
074ac8df 9997 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 9998 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9999 return -EOPNOTSUPP;
b23aa676 10000
83739b03
JB		 10001 wdev_lock(dev->ieee80211_ptr);
10002 ret = cfg80211_disconnect(rdev, dev, reason, true);
10003 wdev_unlock(dev->ieee80211_ptr);
10004 return ret;
b23aa676
SO		 10005}
10006
463d0183
JB		 10007static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info)
10008{
4c476991 10009 struct cfg80211_registered_device *rdev = info->user_ptr[0];
463d0183
JB		 10010 struct net *net;
10011 int err;
463d0183 10012
4b681c82
VK		 10013 if (info->attrs[NL80211_ATTR_PID]) {
10014 u32 pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]);
10015
10016 net = get_net_ns_by_pid(pid);
10017 } else if (info->attrs[NL80211_ATTR_NETNS_FD]) {
10018 u32 fd = nla_get_u32(info->attrs[NL80211_ATTR_NETNS_FD]);
463d0183 10019
4b681c82
VK		 10020 net = get_net_ns_by_fd(fd);
10021 } else {
10022 return -EINVAL;
10023 }
463d0183 10024
4c476991
JB		 10025 if (IS_ERR(net))
10026 return PTR_ERR(net);
463d0183
JB		 10027
10028 err = 0;
10029
10030 /* check if anything to do */
4c476991
JB		 10031 if (!net_eq(wiphy_net(&rdev->wiphy), net))
10032 err = cfg80211_switch_netns(rdev, net);
463d0183 10033
463d0183 10034 put_net(net);
463d0183
JB		 10035 return err;
10036}
10037
67fbb16b
SO		 10038static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info)
10039{
4c476991 10040 struct cfg80211_registered_device *rdev = info->user_ptr[0];
67fbb16b
SO		 10041 int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev,
10042 struct cfg80211_pmksa *pmksa) = NULL;
4c476991 10043 struct net_device *dev = info->user_ptr[1];
67fbb16b
SO		 10044 struct cfg80211_pmksa pmksa;
10045
10046 memset(&pmksa, 0, sizeof(struct cfg80211_pmksa));
10047
67fbb16b
SO		 10048 if (!info->attrs[NL80211_ATTR_PMKID])
10049 return -EINVAL;
10050
67fbb16b 10051 pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
a3caf744
VK		 10052
10053 if (info->attrs[NL80211_ATTR_MAC]) {
10054 pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
10055 } else if (info->attrs[NL80211_ATTR_SSID] &&
10056 info->attrs[NL80211_ATTR_FILS_CACHE_ID] &&
10057 (info->genlhdr->cmd == NL80211_CMD_DEL_PMKSA ||
10058 info->attrs[NL80211_ATTR_PMK])) {
10059 pmksa.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
10060 pmksa.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
10061 pmksa.cache_id =
10062 nla_data(info->attrs[NL80211_ATTR_FILS_CACHE_ID]);
10063 } else {
10064 return -EINVAL;
10065 }
10066 if (info->attrs[NL80211_ATTR_PMK]) {
10067 pmksa.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
10068 pmksa.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
10069 }
67fbb16b 10070
074ac8df 10071 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
6c900360
LD		 10072 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT &&
10073 !(dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP &&
10074 wiphy_ext_feature_isset(&rdev->wiphy,
10075 NL80211_EXT_FEATURE_AP_PMKSA_CACHING)))
4c476991 10076 return -EOPNOTSUPP;
67fbb16b
SO		 10077
10078 switch (info->genlhdr->cmd) {
10079 case NL80211_CMD_SET_PMKSA:
10080 rdev_ops = rdev->ops->set_pmksa;
10081 break;
10082 case NL80211_CMD_DEL_PMKSA:
10083 rdev_ops = rdev->ops->del_pmksa;
10084 break;
10085 default:
10086 WARN_ON(1);
10087 break;
10088 }
10089
4c476991
JB		 10090 if (!rdev_ops)
10091 return -EOPNOTSUPP;
67fbb16b 10092
4c476991 10093 return rdev_ops(&rdev->wiphy, dev, &pmksa);
67fbb16b
SO		 10094}
10095
10096static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info)
10097{
4c476991
JB		 10098 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10099 struct net_device *dev = info->user_ptr[1];
67fbb16b 10100
074ac8df 10101 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 10102 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10103 return -EOPNOTSUPP;
67fbb16b 10104
4c476991
JB		 10105 if (!rdev->ops->flush_pmksa)
10106 return -EOPNOTSUPP;
67fbb16b 10107
e35e4d28 10108 return rdev_flush_pmksa(rdev, dev);
67fbb16b
SO		 10109}
10110
109086ce
AN		 10111static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info)
10112{
10113 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10114 struct net_device *dev = info->user_ptr[1];
10115 u8 action_code, dialog_token;
df942e7b 10116 u32 peer_capability = 0;
109086ce
AN		 10117 u16 status_code;
10118 u8 *peer;
31fa97c5 10119 bool initiator;
109086ce
AN		 10120
10121 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
10122 !rdev->ops->tdls_mgmt)
10123 return -EOPNOTSUPP;
10124
10125 if (!info->attrs[NL80211_ATTR_TDLS_ACTION] ||
10126 !info->attrs[NL80211_ATTR_STATUS_CODE] ||
10127 !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] ||
10128 !info->attrs[NL80211_ATTR_IE] ||
10129 !info->attrs[NL80211_ATTR_MAC])
10130 return -EINVAL;
10131
10132 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
10133 action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]);
10134 status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
10135 dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]);
31fa97c5 10136 initiator = nla_get_flag(info->attrs[NL80211_ATTR_TDLS_INITIATOR]);
df942e7b
SDU		 10137 if (info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY])
10138 peer_capability =
10139 nla_get_u32(info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]);
109086ce 10140
e35e4d28 10141 return rdev_tdls_mgmt(rdev, dev, peer, action_code,
df942e7b 10142 dialog_token, status_code, peer_capability,
31fa97c5 10143 initiator,
e35e4d28
HG		 10144 nla_data(info->attrs[NL80211_ATTR_IE]),
10145 nla_len(info->attrs[NL80211_ATTR_IE]));
109086ce
AN		 10146}
10147
10148static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info)
10149{
10150 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10151 struct net_device *dev = info->user_ptr[1];
10152 enum nl80211_tdls_operation operation;
10153 u8 *peer;
10154
10155 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
10156 !rdev->ops->tdls_oper)
10157 return -EOPNOTSUPP;
10158
10159 if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] ||
10160 !info->attrs[NL80211_ATTR_MAC])
10161 return -EINVAL;
10162
10163 operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]);
10164 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
10165
e35e4d28 10166 return rdev_tdls_oper(rdev, dev, peer, operation);
109086ce
AN		 10167}
10168
9588bbd5
JM		 10169static int nl80211_remain_on_channel(struct sk_buff *skb,
10170 struct genl_info *info)
10171{
4c476991 10172 struct cfg80211_registered_device *rdev = info->user_ptr[0];
71bbc994 10173 struct wireless_dev *wdev = info->user_ptr[1];
683b6d3b 10174 struct cfg80211_chan_def chandef;
34373d12 10175 const struct cfg80211_chan_def *compat_chandef;
9588bbd5
JM		 10176 struct sk_buff *msg;
10177 void *hdr;
10178 u64 cookie;
683b6d3b 10179 u32 duration;
9588bbd5
JM		 10180 int err;
10181
10182 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
10183 !info->attrs[NL80211_ATTR_DURATION])
10184 return -EINVAL;
10185
10186 duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
10187
ebf348fc
JB		 10188 if (!rdev->ops->remain_on_channel ||
10189 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL))
10190 return -EOPNOTSUPP;
10191
9588bbd5 10192 /*
ebf348fc
JB		 10193 * We should be on that channel for at least a minimum amount of
10194 * time (10ms) but no longer than the driver supports.
9588bbd5 10195 */
ebf348fc 10196 if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
a293911d 10197 duration > rdev->wiphy.max_remain_on_channel_duration)
9588bbd5
JM		 10198 return -EINVAL;
10199
683b6d3b
JB		 10200 err = nl80211_parse_chandef(rdev, info, &chandef);
10201 if (err)
10202 return err;
9588bbd5 10203
34373d12
VT		 10204 wdev_lock(wdev);
10205 if (!cfg80211_off_channel_oper_allowed(wdev) &&
10206 !cfg80211_chandef_identical(&wdev->chandef, &chandef)) {
10207 compat_chandef = cfg80211_chandef_compatible(&wdev->chandef,
10208 &chandef);
10209 if (compat_chandef != &chandef) {
10210 wdev_unlock(wdev);
10211 return -EBUSY;
10212 }
10213 }
10214 wdev_unlock(wdev);
10215
9588bbd5 10216 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4c476991
JB		 10217 if (!msg)
10218 return -ENOMEM;
9588bbd5 10219
15e47304 10220 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
9588bbd5 10221 NL80211_CMD_REMAIN_ON_CHANNEL);
cb35fba3
DC		 10222 if (!hdr) {
10223 err = -ENOBUFS;
9588bbd5
JM		 10224 goto free_msg;
10225 }
10226
683b6d3b
JB		 10227 err = rdev_remain_on_channel(rdev, wdev, chandef.chan,
10228 duration, &cookie);
9588bbd5
JM		 10229
10230 if (err)
10231 goto free_msg;
10232
2dad624e
ND		 10233 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
10234 NL80211_ATTR_PAD))
9360ffd1 10235 goto nla_put_failure;
9588bbd5
JM		 10236
10237 genlmsg_end(msg, hdr);
4c476991
JB		 10238
10239 return genlmsg_reply(msg, info);
9588bbd5
JM		 10240
10241 nla_put_failure:
10242 err = -ENOBUFS;
10243 free_msg:
10244 nlmsg_free(msg);
9588bbd5
JM		 10245 return err;
10246}
10247
10248static int nl80211_cancel_remain_on_channel(struct sk_buff *skb,
10249 struct genl_info *info)
10250{
4c476991 10251 struct cfg80211_registered_device *rdev = info->user_ptr[0];
71bbc994 10252 struct wireless_dev *wdev = info->user_ptr[1];
9588bbd5 10253 u64 cookie;
9588bbd5
JM		 10254
10255 if (!info->attrs[NL80211_ATTR_COOKIE])
10256 return -EINVAL;
10257
4c476991
JB		 10258 if (!rdev->ops->cancel_remain_on_channel)
10259 return -EOPNOTSUPP;
9588bbd5 10260
9588bbd5
JM		 10261 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
10262
e35e4d28 10263 return rdev_cancel_remain_on_channel(rdev, wdev, cookie);
9588bbd5
JM		 10264}
10265
13ae75b1
JM		 10266static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
10267 struct genl_info *info)
10268{
13ae75b1 10269 struct cfg80211_bitrate_mask mask;
a7c7fbff 10270 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4c476991 10271 struct net_device *dev = info->user_ptr[1];
a7c7fbff 10272 int err;
13ae75b1 10273
4c476991
JB		 10274 if (!rdev->ops->set_bitrate_mask)
10275 return -EOPNOTSUPP;
13ae75b1 10276
a7c7fbff
PK		 10277 err = nl80211_parse_tx_bitrate_mask(info, &mask);
10278 if (err)
10279 return err;
13ae75b1 10280
e35e4d28 10281 return rdev_set_bitrate_mask(rdev, dev, NULL, &mask);
13ae75b1
JM		 10282}
10283
2e161f78 10284static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
026331c4 10285{
4c476991 10286 struct cfg80211_registered_device *rdev = info->user_ptr[0];
71bbc994 10287 struct wireless_dev *wdev = info->user_ptr[1];
2e161f78 10288 u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION;
026331c4
JM		 10289
10290 if (!info->attrs[NL80211_ATTR_FRAME_MATCH])
10291 return -EINVAL;
10292
2e161f78
JB		 10293 if (info->attrs[NL80211_ATTR_FRAME_TYPE])
10294 frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]);
026331c4 10295
71bbc994
JB		 10296 switch (wdev->iftype) {
10297 case NL80211_IFTYPE_STATION:
10298 case NL80211_IFTYPE_ADHOC:
10299 case NL80211_IFTYPE_P2P_CLIENT:
10300 case NL80211_IFTYPE_AP:
10301 case NL80211_IFTYPE_AP_VLAN:
10302 case NL80211_IFTYPE_MESH_POINT:
10303 case NL80211_IFTYPE_P2P_GO:
98104fde 10304 case NL80211_IFTYPE_P2P_DEVICE:
71bbc994 10305 break;
cb3b7d87 10306 case NL80211_IFTYPE_NAN:
71bbc994 10307 default:
4c476991 10308 return -EOPNOTSUPP;
71bbc994 10309 }
026331c4
JM		 10310
10311 /* not much point in registering if we can't reply */
4c476991
JB		 10312 if (!rdev->ops->mgmt_tx)
10313 return -EOPNOTSUPP;
026331c4 10314
15e47304 10315 return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type,
026331c4
JM		 10316 nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]),
10317 nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH]));
026331c4
JM		 10318}
10319
2e161f78 10320static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
026331c4 10321{
4c476991 10322 struct cfg80211_registered_device *rdev = info->user_ptr[0];
71bbc994 10323 struct wireless_dev *wdev = info->user_ptr[1];
683b6d3b 10324 struct cfg80211_chan_def chandef;
026331c4 10325 int err;
d64d373f 10326 void *hdr = NULL;
026331c4 10327 u64 cookie;
e247bd90 10328 struct sk_buff *msg = NULL;
b176e629
AO		 10329 struct cfg80211_mgmt_tx_params params = {
10330 .dont_wait_for_ack =
10331 info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK],
10332 };
026331c4 10333
683b6d3b 10334 if (!info->attrs[NL80211_ATTR_FRAME])
026331c4
JM		 10335 return -EINVAL;
10336
4c476991
JB		 10337 if (!rdev->ops->mgmt_tx)
10338 return -EOPNOTSUPP;
026331c4 10339
71bbc994 10340 switch (wdev->iftype) {
ea141b75
AQ		 10341 case NL80211_IFTYPE_P2P_DEVICE:
10342 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
10343 return -EINVAL;
71bbc994
JB		 10344 case NL80211_IFTYPE_STATION:
10345 case NL80211_IFTYPE_ADHOC:
10346 case NL80211_IFTYPE_P2P_CLIENT:
10347 case NL80211_IFTYPE_AP:
10348 case NL80211_IFTYPE_AP_VLAN:
10349 case NL80211_IFTYPE_MESH_POINT:
10350 case NL80211_IFTYPE_P2P_GO:
10351 break;
cb3b7d87 10352 case NL80211_IFTYPE_NAN:
71bbc994 10353 default:
4c476991 10354 return -EOPNOTSUPP;
71bbc994 10355 }
026331c4 10356
f7ca38df 10357 if (info->attrs[NL80211_ATTR_DURATION]) {
7c4ef712 10358 if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
f7ca38df 10359 return -EINVAL;
b176e629 10360 params.wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
ebf348fc
JB		 10361
10362 /*
10363 * We should wait on the channel for at least a minimum amount
10364 * of time (10ms) but no longer than the driver supports.
10365 */
b176e629
AO		 10366 if (params.wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
10367 params.wait > rdev->wiphy.max_remain_on_channel_duration)
ebf348fc 10368 return -EINVAL;
f7ca38df
JB		 10369 }
10370
b176e629 10371 params.offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK];
f7ca38df 10372
b176e629 10373 if (params.offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
7c4ef712
JB		 10374 return -EINVAL;
10375
b176e629 10376 params.no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
e9f935e3 10377
ea141b75
AQ		 10378 /* get the channel if any has been specified, otherwise pass NULL to
10379 * the driver. The latter will use the current one
10380 */
10381 chandef.chan = NULL;
10382 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
10383 err = nl80211_parse_chandef(rdev, info, &chandef);
10384 if (err)
10385 return err;
10386 }
10387
b176e629 10388 if (!chandef.chan && params.offchan)
ea141b75 10389 return -EINVAL;
026331c4 10390
34373d12
VT		 10391 wdev_lock(wdev);
10392 if (params.offchan && !cfg80211_off_channel_oper_allowed(wdev)) {
10393 wdev_unlock(wdev);
10394 return -EBUSY;
10395 }
10396 wdev_unlock(wdev);
10397
34d22ce2
AO		 10398 params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
10399 params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
10400
10401 if (info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]) {
10402 int len = nla_len(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
10403 int i;
10404
10405 if (len % sizeof(u16))
10406 return -EINVAL;
10407
10408 params.n_csa_offsets = len / sizeof(u16);
10409 params.csa_offsets =
10410 nla_data(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
10411
10412 /* check that all the offsets fit the frame */
10413 for (i = 0; i < params.n_csa_offsets; i++) {
10414 if (params.csa_offsets[i] >= params.len)
10415 return -EINVAL;
10416 }
10417 }
10418
b176e629 10419 if (!params.dont_wait_for_ack) {
e247bd90
JB		 10420 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
10421 if (!msg)
10422 return -ENOMEM;
026331c4 10423
15e47304 10424 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
e247bd90 10425 NL80211_CMD_FRAME);
cb35fba3
DC		 10426 if (!hdr) {
10427 err = -ENOBUFS;
e247bd90
JB		 10428 goto free_msg;
10429 }
026331c4 10430 }
e247bd90 10431
b176e629
AO		 10432 params.chan = chandef.chan;
10433 err = cfg80211_mlme_mgmt_tx(rdev, wdev, &params, &cookie);
026331c4
JM		 10434 if (err)
10435 goto free_msg;
10436
e247bd90 10437 if (msg) {
2dad624e
ND		 10438 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
10439 NL80211_ATTR_PAD))
9360ffd1 10440 goto nla_put_failure;
026331c4 10441
e247bd90
JB		 10442 genlmsg_end(msg, hdr);
10443 return genlmsg_reply(msg, info);
10444 }
10445
10446 return 0;
026331c4
JM		 10447
10448 nla_put_failure:
10449 err = -ENOBUFS;
10450 free_msg:
10451 nlmsg_free(msg);
026331c4
JM		 10452 return err;
10453}
10454
f7ca38df
JB		 10455static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info)
10456{
10457 struct cfg80211_registered_device *rdev = info->user_ptr[0];
71bbc994 10458 struct wireless_dev *wdev = info->user_ptr[1];
f7ca38df
JB		 10459 u64 cookie;
10460
10461 if (!info->attrs[NL80211_ATTR_COOKIE])
10462 return -EINVAL;
10463
10464 if (!rdev->ops->mgmt_tx_cancel_wait)
10465 return -EOPNOTSUPP;
10466
71bbc994
JB		 10467 switch (wdev->iftype) {
10468 case NL80211_IFTYPE_STATION:
10469 case NL80211_IFTYPE_ADHOC:
10470 case NL80211_IFTYPE_P2P_CLIENT:
10471 case NL80211_IFTYPE_AP:
10472 case NL80211_IFTYPE_AP_VLAN:
10473 case NL80211_IFTYPE_P2P_GO:
98104fde 10474 case NL80211_IFTYPE_P2P_DEVICE:
71bbc994 10475 break;
cb3b7d87 10476 case NL80211_IFTYPE_NAN:
71bbc994 10477 default:
f7ca38df 10478 return -EOPNOTSUPP;
71bbc994 10479 }
f7ca38df
JB		 10480
10481 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
10482
e35e4d28 10483 return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie);
f7ca38df
JB		 10484}
10485
ffb9eb3d
KV		 10486static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info)
10487{
4c476991 10488 struct cfg80211_registered_device *rdev = info->user_ptr[0];
ffb9eb3d 10489 struct wireless_dev *wdev;
4c476991 10490 struct net_device *dev = info->user_ptr[1];
ffb9eb3d
KV		 10491 u8 ps_state;
10492 bool state;
10493 int err;
10494
4c476991
JB		 10495 if (!info->attrs[NL80211_ATTR_PS_STATE])
10496 return -EINVAL;
ffb9eb3d
KV		 10497
10498 ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]);
10499
ffb9eb3d
KV		 10500 wdev = dev->ieee80211_ptr;
10501
4c476991
JB		 10502 if (!rdev->ops->set_power_mgmt)
10503 return -EOPNOTSUPP;
ffb9eb3d
KV		 10504
10505 state = (ps_state == NL80211_PS_ENABLED) ? true : false;
10506
10507 if (state == wdev->ps)
4c476991 10508 return 0;
ffb9eb3d 10509
e35e4d28 10510 err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout);
4c476991
JB		 10511 if (!err)
10512 wdev->ps = state;
ffb9eb3d
KV		 10513 return err;
10514}
10515
10516static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info)
10517{
4c476991 10518 struct cfg80211_registered_device *rdev = info->user_ptr[0];
ffb9eb3d
KV		 10519 enum nl80211_ps_state ps_state;
10520 struct wireless_dev *wdev;
4c476991 10521 struct net_device *dev = info->user_ptr[1];
ffb9eb3d
KV		 10522 struct sk_buff *msg;
10523 void *hdr;
10524 int err;
10525
ffb9eb3d
KV		 10526 wdev = dev->ieee80211_ptr;
10527
4c476991
JB		 10528 if (!rdev->ops->set_power_mgmt)
10529 return -EOPNOTSUPP;
ffb9eb3d
KV		 10530
10531 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4c476991
JB		 10532 if (!msg)
10533 return -ENOMEM;
ffb9eb3d 10534
15e47304 10535 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
ffb9eb3d
KV		 10536 NL80211_CMD_GET_POWER_SAVE);
10537 if (!hdr) {
4c476991 10538 err = -ENOBUFS;
ffb9eb3d
KV		 10539 goto free_msg;
10540 }
10541
10542 if (wdev->ps)
10543 ps_state = NL80211_PS_ENABLED;
10544 else
10545 ps_state = NL80211_PS_DISABLED;
10546
9360ffd1
DM		 10547 if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state))
10548 goto nla_put_failure;
ffb9eb3d
KV		 10549
10550 genlmsg_end(msg, hdr);
4c476991 10551 return genlmsg_reply(msg, info);
ffb9eb3d 10552
4c476991 10553 nla_put_failure:
ffb9eb3d 10554 err = -ENOBUFS;
4c476991 10555 free_msg:
ffb9eb3d 10556 nlmsg_free(msg);
ffb9eb3d
KV		 10557 return err;
10558}
10559
94e860f1
JB		 10560static const struct nla_policy
10561nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] = {
4a4b8169 10562 [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_BINARY },
d6dc1a38
JO		 10563 [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 },
10564 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
84f10708
TP		 10565 [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 },
10566 [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 },
10567 [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 },
bee427b8 10568 [NL80211_ATTR_CQM_RSSI_LEVEL] = { .type = NLA_S32 },
d6dc1a38
JO		 10569};
10570
84f10708 10571static int nl80211_set_cqm_txe(struct genl_info *info,
d9d8b019 10572 u32 rate, u32 pkts, u32 intvl)
84f10708
TP		 10573{
10574 struct cfg80211_registered_device *rdev = info->user_ptr[0];
84f10708 10575 struct net_device *dev = info->user_ptr[1];
1da5fcc8 10576 struct wireless_dev *wdev = dev->ieee80211_ptr;
84f10708 10577
d9d8b019 10578 if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL)
84f10708
TP		 10579 return -EINVAL;
10580
84f10708
TP		 10581 if (!rdev->ops->set_cqm_txe_config)
10582 return -EOPNOTSUPP;
10583
10584 if (wdev->iftype != NL80211_IFTYPE_STATION &&
10585 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
10586 return -EOPNOTSUPP;
10587
e35e4d28 10588 return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl);
84f10708
TP		 10589}
10590
4a4b8169
AZ		 10591static int cfg80211_cqm_rssi_update(struct cfg80211_registered_device *rdev,
10592 struct net_device *dev)
10593{
10594 struct wireless_dev *wdev = dev->ieee80211_ptr;
10595 s32 last, low, high;
10596 u32 hyst;
1222a160 10597 int i, n, low_index;
4a4b8169
AZ		 10598 int err;
10599
10600 /* RSSI reporting disabled? */
10601 if (!wdev->cqm_config)
10602 return rdev_set_cqm_rssi_range_config(rdev, dev, 0, 0);
10603
10604 /*
10605 * Obtain current RSSI value if possible, if not and no RSSI threshold
10606 * event has been received yet, we should receive an event after a
10607 * connection is established and enough beacons received to calculate
10608 * the average.
10609 */
10610 if (!wdev->cqm_config->last_rssi_event_value && wdev->current_bss &&
10611 rdev->ops->get_station) {
73887fd9 10612 struct station_info sinfo = {};
4a4b8169
AZ		 10613 u8 *mac_addr;
10614
10615 mac_addr = wdev->current_bss->pub.bssid;
10616
73887fd9
JB		 10617 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
10618 if (err)
4a4b8169
AZ		 10619 return err;
10620
397c657a 10621 if (sinfo.filled & BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG))
4a4b8169 10622 wdev->cqm_config->last_rssi_event_value =
73887fd9 10623 (s8) sinfo.rx_beacon_signal_avg;
4a4b8169
AZ		 10624 }
10625
10626 last = wdev->cqm_config->last_rssi_event_value;
10627 hyst = wdev->cqm_config->rssi_hyst;
10628 n = wdev->cqm_config->n_rssi_thresholds;
10629
10630 for (i = 0; i < n; i++)
10631 if (last < wdev->cqm_config->rssi_thresholds[i])
10632 break;
10633
1222a160
MH		 10634 low_index = i - 1;
10635 if (low_index >= 0) {
10636 low_index = array_index_nospec(low_index, n);
10637 low = wdev->cqm_config->rssi_thresholds[low_index] - hyst;
10638 } else {
10639 low = S32_MIN;
10640 }
10641 if (i < n) {
10642 i = array_index_nospec(i, n);
10643 high = wdev->cqm_config->rssi_thresholds[i] + hyst - 1;
10644 } else {
10645 high = S32_MAX;
10646 }
4a4b8169
AZ		 10647
10648 return rdev_set_cqm_rssi_range_config(rdev, dev, low, high);
10649}
10650
d6dc1a38 10651static int nl80211_set_cqm_rssi(struct genl_info *info,
4a4b8169
AZ		 10652 const s32 *thresholds, int n_thresholds,
10653 u32 hysteresis)
d6dc1a38 10654{
4c476991 10655 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4c476991 10656 struct net_device *dev = info->user_ptr[1];
1da5fcc8 10657 struct wireless_dev *wdev = dev->ieee80211_ptr;
4a4b8169
AZ		 10658 int i, err;
10659 s32 prev = S32_MIN;
d6dc1a38 10660
4a4b8169
AZ		 10661 /* Check all values negative and sorted */
10662 for (i = 0; i < n_thresholds; i++) {
10663 if (thresholds[i] > 0 || thresholds[i] <= prev)
10664 return -EINVAL;
d6dc1a38 10665
4a4b8169
AZ		 10666 prev = thresholds[i];
10667 }
d6dc1a38 10668
074ac8df 10669 if (wdev->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 10670 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
10671 return -EOPNOTSUPP;
d6dc1a38 10672
4a4b8169
AZ		 10673 wdev_lock(wdev);
10674 cfg80211_cqm_config_free(wdev);
10675 wdev_unlock(wdev);
10676
10677 if (n_thresholds <= 1 && rdev->ops->set_cqm_rssi_config) {
10678 if (n_thresholds == 0 || thresholds[0] == 0) /* Disabling */
10679 return rdev_set_cqm_rssi_config(rdev, dev, 0, 0);
10680
10681 return rdev_set_cqm_rssi_config(rdev, dev,
10682 thresholds[0], hysteresis);
10683 }
10684
10685 if (!wiphy_ext_feature_isset(&rdev->wiphy,
10686 NL80211_EXT_FEATURE_CQM_RSSI_LIST))
10687 return -EOPNOTSUPP;
10688
10689 if (n_thresholds == 1 && thresholds[0] == 0) /* Disabling */
10690 n_thresholds = 0;
10691
10692 wdev_lock(wdev);
10693 if (n_thresholds) {
10694 struct cfg80211_cqm_config *cqm_config;
10695
10696 cqm_config = kzalloc(sizeof(struct cfg80211_cqm_config) +
10697 n_thresholds * sizeof(s32), GFP_KERNEL);
10698 if (!cqm_config) {
10699 err = -ENOMEM;
10700 goto unlock;
10701 }
10702
10703 cqm_config->rssi_hyst = hysteresis;
10704 cqm_config->n_rssi_thresholds = n_thresholds;
10705 memcpy(cqm_config->rssi_thresholds, thresholds,
10706 n_thresholds * sizeof(s32));
10707
10708 wdev->cqm_config = cqm_config;
10709 }
10710
10711 err = cfg80211_cqm_rssi_update(rdev, dev);
10712
10713unlock:
10714 wdev_unlock(wdev);
10715
10716 return err;
d6dc1a38
JO		 10717}
10718
10719static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info)
10720{
10721 struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1];
10722 struct nlattr *cqm;
10723 int err;
10724
10725 cqm = info->attrs[NL80211_ATTR_CQM];
1da5fcc8
JB		 10726 if (!cqm)
10727 return -EINVAL;
d6dc1a38 10728
8cb08174
JB		 10729 err = nla_parse_nested_deprecated(attrs, NL80211_ATTR_CQM_MAX, cqm,
10730 nl80211_attr_cqm_policy,
10731 info->extack);
d6dc1a38 10732 if (err)
1da5fcc8 10733 return err;
d6dc1a38
JO		 10734
10735 if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] &&
10736 attrs[NL80211_ATTR_CQM_RSSI_HYST]) {
4a4b8169
AZ		 10737 const s32 *thresholds =
10738 nla_data(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
10739 int len = nla_len(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
1da5fcc8 10740 u32 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]);
d6dc1a38 10741
4a4b8169
AZ		 10742 if (len % 4)
10743 return -EINVAL;
10744
10745 return nl80211_set_cqm_rssi(info, thresholds, len / 4,
10746 hysteresis);
1da5fcc8
JB		 10747 }
10748
10749 if (attrs[NL80211_ATTR_CQM_TXE_RATE] &&
10750 attrs[NL80211_ATTR_CQM_TXE_PKTS] &&
10751 attrs[NL80211_ATTR_CQM_TXE_INTVL]) {
10752 u32 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]);
10753 u32 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]);
10754 u32 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]);
10755
10756 return nl80211_set_cqm_txe(info, rate, pkts, intvl);
10757 }
10758
10759 return -EINVAL;
d6dc1a38
JO		 10760}
10761
6e0bd6c3
RL		 10762static int nl80211_join_ocb(struct sk_buff *skb, struct genl_info *info)
10763{
10764 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10765 struct net_device *dev = info->user_ptr[1];
10766 struct ocb_setup setup = {};
10767 int err;
10768
10769 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
10770 if (err)
10771 return err;
10772
10773 return cfg80211_join_ocb(rdev, dev, &setup);
10774}
10775
10776static int nl80211_leave_ocb(struct sk_buff *skb, struct genl_info *info)
10777{
10778 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10779 struct net_device *dev = info->user_ptr[1];
10780
10781 return cfg80211_leave_ocb(rdev, dev);
10782}
10783
29cbe68c
JB		 10784static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info)
10785{
10786 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10787 struct net_device *dev = info->user_ptr[1];
10788 struct mesh_config cfg;
c80d545d 10789 struct mesh_setup setup;
29cbe68c
JB		 10790 int err;
10791
10792 /* start with default */
10793 memcpy(&cfg, &default_mesh_config, sizeof(cfg));
c80d545d 10794 memcpy(&setup, &default_mesh_setup, sizeof(setup));
29cbe68c 10795
24bdd9f4 10796 if (info->attrs[NL80211_ATTR_MESH_CONFIG]) {
29cbe68c 10797 /* and parse parameters if given */
24bdd9f4 10798 err = nl80211_parse_mesh_config(info, &cfg, NULL);
29cbe68c
JB		 10799 if (err)
10800 return err;
10801 }
10802
10803 if (!info->attrs[NL80211_ATTR_MESH_ID] ||
10804 !nla_len(info->attrs[NL80211_ATTR_MESH_ID]))
10805 return -EINVAL;
10806
c80d545d
JC		 10807 setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]);
10808 setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
10809
4bb62344
CYY		 10810 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
10811 !nl80211_parse_mcast_rate(rdev, setup.mcast_rate,
10812 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
10813 return -EINVAL;
10814
9bdbf04d
MP		 10815 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) {
10816 setup.beacon_interval =
10817 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
12d20fc9 10818
0c317a02
PK		 10819 err = cfg80211_validate_beacon_int(rdev,
10820 NL80211_IFTYPE_MESH_POINT,
10821 setup.beacon_interval);
12d20fc9
PK		 10822 if (err)
10823 return err;
9bdbf04d
MP		 10824 }
10825
10826 if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) {
10827 setup.dtim_period =
10828 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
10829 if (setup.dtim_period < 1 || setup.dtim_period > 100)
10830 return -EINVAL;
10831 }
10832
c80d545d
JC		 10833 if (info->attrs[NL80211_ATTR_MESH_SETUP]) {
10834 /* parse additional setup parameters if given */
10835 err = nl80211_parse_mesh_setup(info, &setup);
10836 if (err)
10837 return err;
10838 }
10839
d37bb18a
TP		 10840 if (setup.user_mpm)
10841 cfg.auto_open_plinks = false;
10842
cc1d2806 10843 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
683b6d3b
JB		 10844 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
10845 if (err)
10846 return err;
cc1d2806 10847 } else {
188c1b3c 10848 /* __cfg80211_join_mesh() will sort it out */
683b6d3b 10849 setup.chandef.chan = NULL;
cc1d2806
JB		 10850 }
10851
ffb3cf30
AN		 10852 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
10853 u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
10854 int n_rates =
10855 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
10856 struct ieee80211_supported_band *sband;
10857
10858 if (!setup.chandef.chan)
10859 return -EINVAL;
10860
10861 sband = rdev->wiphy.bands[setup.chandef.chan->band];
10862
10863 err = ieee80211_get_ratemask(sband, rates, n_rates,
10864 &setup.basic_rates);
10865 if (err)
10866 return err;
10867 }
10868
8564e382
JB		 10869 if (info->attrs[NL80211_ATTR_TX_RATES]) {
10870 err = nl80211_parse_tx_bitrate_mask(info, &setup.beacon_rate);
10871 if (err)
10872 return err;
10873
265698d7
JB		 10874 if (!setup.chandef.chan)
10875 return -EINVAL;
10876
8564e382
JB		 10877 err = validate_beacon_tx_rate(rdev, setup.chandef.chan->band,
10878 &setup.beacon_rate);
10879 if (err)
10880 return err;
10881 }
10882
d37d49c2
BB		 10883 setup.userspace_handles_dfs =
10884 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
10885
1224f583
DK		 10886 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
10887 int r = validate_pae_over_nl80211(rdev, info);
10888
10889 if (r < 0)
10890 return r;
10891
10892 setup.control_port_over_nl80211 = true;
10893 }
10894
188c1b3c
DK		 10895 wdev_lock(dev->ieee80211_ptr);
10896 err = __cfg80211_join_mesh(rdev, dev, &setup, &cfg);
10897 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER])
10898 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
10899 wdev_unlock(dev->ieee80211_ptr);
10900
10901 return err;
29cbe68c
JB		 10902}
10903
10904static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info)
10905{
10906 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10907 struct net_device *dev = info->user_ptr[1];
10908
10909 return cfg80211_leave_mesh(rdev, dev);
10910}
10911
dfb89c56 10912#ifdef CONFIG_PM
bb92d199
AK		 10913static int nl80211_send_wowlan_patterns(struct sk_buff *msg,
10914 struct cfg80211_registered_device *rdev)
10915{
6abb9cb9 10916 struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config;
bb92d199
AK		 10917 struct nlattr *nl_pats, *nl_pat;
10918 int i, pat_len;
10919
6abb9cb9 10920 if (!wowlan->n_patterns)
bb92d199
AK		 10921 return 0;
10922
ae0be8de 10923 nl_pats = nla_nest_start_noflag(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN);
bb92d199
AK		 10924 if (!nl_pats)
10925 return -ENOBUFS;
10926
6abb9cb9 10927 for (i = 0; i < wowlan->n_patterns; i++) {
ae0be8de 10928 nl_pat = nla_nest_start_noflag(msg, i + 1);
bb92d199
AK		 10929 if (!nl_pat)
10930 return -ENOBUFS;
6abb9cb9 10931 pat_len = wowlan->patterns[i].pattern_len;
50ac6607 10932 if (nla_put(msg, NL80211_PKTPAT_MASK, DIV_ROUND_UP(pat_len, 8),
6abb9cb9 10933 wowlan->patterns[i].mask) ||
50ac6607
AK		 10934 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
10935 wowlan->patterns[i].pattern) ||
10936 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
6abb9cb9 10937 wowlan->patterns[i].pkt_offset))
bb92d199
AK		 10938 return -ENOBUFS;
10939 nla_nest_end(msg, nl_pat);
10940 }
10941 nla_nest_end(msg, nl_pats);
10942
10943 return 0;
10944}
10945
2a0e047e
JB		 10946static int nl80211_send_wowlan_tcp(struct sk_buff *msg,
10947 struct cfg80211_wowlan_tcp *tcp)
10948{
10949 struct nlattr *nl_tcp;
10950
10951 if (!tcp)
10952 return 0;
10953
ae0be8de
MK		 10954 nl_tcp = nla_nest_start_noflag(msg,
10955 NL80211_WOWLAN_TRIG_TCP_CONNECTION);
2a0e047e
JB		 10956 if (!nl_tcp)
10957 return -ENOBUFS;
10958
930345ea
JB		 10959 if (nla_put_in_addr(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) ||
10960 nla_put_in_addr(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) ||
2a0e047e
JB		 10961 nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) ||
10962 nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) ||
10963 nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) ||
10964 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
10965 tcp->payload_len, tcp->payload) ||
10966 nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
10967 tcp->data_interval) ||
10968 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
10969 tcp->wake_len, tcp->wake_data) ||
10970 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK,
10971 DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask))
10972 return -ENOBUFS;
10973
10974 if (tcp->payload_seq.len &&
10975 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ,
10976 sizeof(tcp->payload_seq), &tcp->payload_seq))
10977 return -ENOBUFS;
10978
10979 if (tcp->payload_tok.len &&
10980 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
10981 sizeof(tcp->payload_tok) + tcp->tokens_size,
10982 &tcp->payload_tok))
10983 return -ENOBUFS;
10984
e248ad30
JB		 10985 nla_nest_end(msg, nl_tcp);
10986
2a0e047e
JB		 10987 return 0;
10988}
10989
75453ccb
LC		 10990static int nl80211_send_wowlan_nd(struct sk_buff *msg,
10991 struct cfg80211_sched_scan_request *req)
10992{
3b06d277 10993 struct nlattr *nd, *freqs, *matches, *match, *scan_plans, *scan_plan;
75453ccb
LC		 10994 int i;
10995
10996 if (!req)
10997 return 0;
10998
ae0be8de 10999 nd = nla_nest_start_noflag(msg, NL80211_WOWLAN_TRIG_NET_DETECT);
75453ccb
LC		 11000 if (!nd)
11001 return -ENOBUFS;
11002
3b06d277
AS		 11003 if (req->n_scan_plans == 1 &&
11004 nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_INTERVAL,
11005 req->scan_plans[0].interval * 1000))
75453ccb
LC		 11006 return -ENOBUFS;
11007
21fea567
LC		 11008 if (nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_DELAY, req->delay))
11009 return -ENOBUFS;
11010
bf95ecdb 11011 if (req->relative_rssi_set) {
11012 struct nl80211_bss_select_rssi_adjust rssi_adjust;
11013
11014 if (nla_put_s8(msg, NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI,
11015 req->relative_rssi))
11016 return -ENOBUFS;
11017
11018 rssi_adjust.band = req->rssi_adjust.band;
11019 rssi_adjust.delta = req->rssi_adjust.delta;
11020 if (nla_put(msg, NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST,
11021 sizeof(rssi_adjust), &rssi_adjust))
11022 return -ENOBUFS;
11023 }
11024
ae0be8de 11025 freqs = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_FREQUENCIES);
75453ccb
LC		 11026 if (!freqs)
11027 return -ENOBUFS;
11028
53b18980
JB		 11029 for (i = 0; i < req->n_channels; i++) {
11030 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
11031 return -ENOBUFS;
11032 }
75453ccb
LC		 11033
11034 nla_nest_end(msg, freqs);
11035
11036 if (req->n_match_sets) {
ae0be8de
MK		 11037 matches = nla_nest_start_noflag(msg,
11038 NL80211_ATTR_SCHED_SCAN_MATCH);
76e1fb4b
JB		 11039 if (!matches)
11040 return -ENOBUFS;
11041
75453ccb 11042 for (i = 0; i < req->n_match_sets; i++) {
ae0be8de 11043 match = nla_nest_start_noflag(msg, i);
76e1fb4b
JB		 11044 if (!match)
11045 return -ENOBUFS;
11046
53b18980
JB		 11047 if (nla_put(msg, NL80211_SCHED_SCAN_MATCH_ATTR_SSID,
11048 req->match_sets[i].ssid.ssid_len,
11049 req->match_sets[i].ssid.ssid))
11050 return -ENOBUFS;
75453ccb
LC		 11051 nla_nest_end(msg, match);
11052 }
11053 nla_nest_end(msg, matches);
11054 }
11055
ae0be8de 11056 scan_plans = nla_nest_start_noflag(msg, NL80211_ATTR_SCHED_SCAN_PLANS);
3b06d277
AS		 11057 if (!scan_plans)
11058 return -ENOBUFS;
11059
11060 for (i = 0; i < req->n_scan_plans; i++) {
ae0be8de 11061 scan_plan = nla_nest_start_noflag(msg, i + 1);
76e1fb4b
JB		 11062 if (!scan_plan)
11063 return -ENOBUFS;
11064
67626964 11065 if (nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_INTERVAL,
3b06d277
AS		 11066 req->scan_plans[i].interval) ||
11067 (req->scan_plans[i].iterations &&
11068 nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_ITERATIONS,
11069 req->scan_plans[i].iterations)))
11070 return -ENOBUFS;
11071 nla_nest_end(msg, scan_plan);
11072 }
11073 nla_nest_end(msg, scan_plans);
11074
75453ccb
LC		 11075 nla_nest_end(msg, nd);
11076
11077 return 0;
11078}
11079
ff1b6e69
JB		 11080static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info)
11081{
11082 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11083 struct sk_buff *msg;
11084 void *hdr;
2a0e047e 11085 u32 size = NLMSG_DEFAULT_SIZE;
ff1b6e69 11086
964dc9e2 11087 if (!rdev->wiphy.wowlan)
ff1b6e69
JB		 11088 return -EOPNOTSUPP;
11089
6abb9cb9 11090 if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) {
2a0e047e 11091 /* adjust size to have room for all the data */
6abb9cb9
JB		 11092 size += rdev->wiphy.wowlan_config->tcp->tokens_size +
11093 rdev->wiphy.wowlan_config->tcp->payload_len +
11094 rdev->wiphy.wowlan_config->tcp->wake_len +
11095 rdev->wiphy.wowlan_config->tcp->wake_len / 8;
2a0e047e
JB		 11096 }
11097
11098 msg = nlmsg_new(size, GFP_KERNEL);
ff1b6e69
JB		 11099 if (!msg)
11100 return -ENOMEM;
11101
15e47304 11102 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
ff1b6e69
JB		 11103 NL80211_CMD_GET_WOWLAN);
11104 if (!hdr)
11105 goto nla_put_failure;
11106
6abb9cb9 11107 if (rdev->wiphy.wowlan_config) {
ff1b6e69
JB		 11108 struct nlattr *nl_wowlan;
11109
ae0be8de
MK		 11110 nl_wowlan = nla_nest_start_noflag(msg,
11111 NL80211_ATTR_WOWLAN_TRIGGERS);
ff1b6e69
JB		 11112 if (!nl_wowlan)
11113 goto nla_put_failure;
11114
6abb9cb9 11115 if ((rdev->wiphy.wowlan_config->any &&
9360ffd1 11116 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
6abb9cb9 11117 (rdev->wiphy.wowlan_config->disconnect &&
9360ffd1 11118 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
6abb9cb9 11119 (rdev->wiphy.wowlan_config->magic_pkt &&
9360ffd1 11120 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
6abb9cb9 11121 (rdev->wiphy.wowlan_config->gtk_rekey_failure &&
9360ffd1 11122 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
6abb9cb9 11123 (rdev->wiphy.wowlan_config->eap_identity_req &&
9360ffd1 11124 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
6abb9cb9 11125 (rdev->wiphy.wowlan_config->four_way_handshake &&
9360ffd1 11126 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
6abb9cb9 11127 (rdev->wiphy.wowlan_config->rfkill_release &&
9360ffd1
DM		 11128 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
11129 goto nla_put_failure;
2a0e047e 11130
bb92d199
AK		 11131 if (nl80211_send_wowlan_patterns(msg, rdev))
11132 goto nla_put_failure;
2a0e047e 11133
6abb9cb9
JB		 11134 if (nl80211_send_wowlan_tcp(msg,
11135 rdev->wiphy.wowlan_config->tcp))
2a0e047e 11136 goto nla_put_failure;
75453ccb
LC		 11137
11138 if (nl80211_send_wowlan_nd(
11139 msg,
11140 rdev->wiphy.wowlan_config->nd_config))
11141 goto nla_put_failure;
2a0e047e 11142
ff1b6e69
JB		 11143 nla_nest_end(msg, nl_wowlan);
11144 }
11145
11146 genlmsg_end(msg, hdr);
11147 return genlmsg_reply(msg, info);
11148
11149nla_put_failure:
11150 nlmsg_free(msg);
11151 return -ENOBUFS;
11152}
11153
2a0e047e
JB		 11154static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev,
11155 struct nlattr *attr,
11156 struct cfg80211_wowlan *trig)
11157{
11158 struct nlattr *tb[NUM_NL80211_WOWLAN_TCP];
11159 struct cfg80211_wowlan_tcp *cfg;
11160 struct nl80211_wowlan_tcp_data_token *tok = NULL;
11161 struct nl80211_wowlan_tcp_data_seq *seq = NULL;
11162 u32 size;
11163 u32 data_size, wake_size, tokens_size = 0, wake_mask_size;
11164 int err, port;
11165
964dc9e2 11166 if (!rdev->wiphy.wowlan->tcp)
2a0e047e
JB		 11167 return -EINVAL;
11168
8cb08174
JB		 11169 err = nla_parse_nested_deprecated(tb, MAX_NL80211_WOWLAN_TCP, attr,
11170 nl80211_wowlan_tcp_policy, NULL);
2a0e047e
JB		 11171 if (err)
11172 return err;
11173
11174 if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] ||
11175 !tb[NL80211_WOWLAN_TCP_DST_IPV4] ||
11176 !tb[NL80211_WOWLAN_TCP_DST_MAC] ||
11177 !tb[NL80211_WOWLAN_TCP_DST_PORT] ||
11178 !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] ||
11179 !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] ||
11180 !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] ||
11181 !tb[NL80211_WOWLAN_TCP_WAKE_MASK])
11182 return -EINVAL;
11183
11184 data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]);
964dc9e2 11185 if (data_size > rdev->wiphy.wowlan->tcp->data_payload_max)
2a0e047e
JB		 11186 return -EINVAL;
11187
11188 if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) >
964dc9e2 11189 rdev->wiphy.wowlan->tcp->data_interval_max ||
723d568a 11190 nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0)
2a0e047e
JB		 11191 return -EINVAL;
11192
11193 wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]);
964dc9e2 11194 if (wake_size > rdev->wiphy.wowlan->tcp->wake_payload_max)
2a0e047e
JB		 11195 return -EINVAL;
11196
11197 wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]);
11198 if (wake_mask_size != DIV_ROUND_UP(wake_size, 8))
11199 return -EINVAL;
11200
11201 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) {
11202 u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
11203
11204 tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
11205 tokens_size = tokln - sizeof(*tok);
11206
11207 if (!tok->len || tokens_size % tok->len)
11208 return -EINVAL;
964dc9e2 11209 if (!rdev->wiphy.wowlan->tcp->tok)
2a0e047e 11210 return -EINVAL;
964dc9e2 11211 if (tok->len > rdev->wiphy.wowlan->tcp->tok->max_len)
2a0e047e 11212 return -EINVAL;
964dc9e2 11213 if (tok->len < rdev->wiphy.wowlan->tcp->tok->min_len)
2a0e047e 11214 return -EINVAL;
964dc9e2 11215 if (tokens_size > rdev->wiphy.wowlan->tcp->tok->bufsize)
2a0e047e
JB		 11216 return -EINVAL;
11217 if (tok->offset + tok->len > data_size)
11218 return -EINVAL;
11219 }
11220
11221 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) {
11222 seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]);
964dc9e2 11223 if (!rdev->wiphy.wowlan->tcp->seq)
2a0e047e
JB		 11224 return -EINVAL;
11225 if (seq->len == 0 || seq->len > 4)
11226 return -EINVAL;
11227 if (seq->len + seq->offset > data_size)
11228 return -EINVAL;
11229 }
11230
11231 size = sizeof(*cfg);
11232 size += data_size;
11233 size += wake_size + wake_mask_size;
11234 size += tokens_size;
11235
11236 cfg = kzalloc(size, GFP_KERNEL);
11237 if (!cfg)
11238 return -ENOMEM;
67b61f6c
JB		 11239 cfg->src = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_SRC_IPV4]);
11240 cfg->dst = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_DST_IPV4]);
2a0e047e
JB		 11241 memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]),
11242 ETH_ALEN);
11243 if (tb[NL80211_WOWLAN_TCP_SRC_PORT])
11244 port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]);
11245 else
11246 port = 0;
11247#ifdef CONFIG_INET
11248 /* allocate a socket and port for it and use it */
11249 err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM,
11250 IPPROTO_TCP, &cfg->sock, 1);
11251 if (err) {
11252 kfree(cfg);
11253 return err;
11254 }
11255 if (inet_csk_get_port(cfg->sock->sk, port)) {
11256 sock_release(cfg->sock);
11257 kfree(cfg);
11258 return -EADDRINUSE;
11259 }
11260 cfg->src_port = inet_sk(cfg->sock->sk)->inet_num;
11261#else
11262 if (!port) {
11263 kfree(cfg);
11264 return -EINVAL;
11265 }
11266 cfg->src_port = port;
11267#endif
11268
11269 cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]);
11270 cfg->payload_len = data_size;
11271 cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size;
11272 memcpy((void *)cfg->payload,
11273 nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]),
11274 data_size);
11275 if (seq)
11276 cfg->payload_seq = *seq;
11277 cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]);
11278 cfg->wake_len = wake_size;
11279 cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size;
11280 memcpy((void *)cfg->wake_data,
11281 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]),
11282 wake_size);
11283 cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size +
11284 data_size + wake_size;
11285 memcpy((void *)cfg->wake_mask,
11286 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]),
11287 wake_mask_size);
11288 if (tok) {
11289 cfg->tokens_size = tokens_size;
11290 memcpy(&cfg->payload_tok, tok, sizeof(*tok) + tokens_size);
11291 }
11292
11293 trig->tcp = cfg;
11294
11295 return 0;
11296}
11297
8cd4d456
LC		 11298static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device *rdev,
11299 const struct wiphy_wowlan_support *wowlan,
11300 struct nlattr *attr,
11301 struct cfg80211_wowlan *trig)
11302{
11303 struct nlattr **tb;
11304 int err;
11305
6396bb22 11306 tb = kcalloc(NUM_NL80211_ATTR, sizeof(*tb), GFP_KERNEL);
8cd4d456
LC		 11307 if (!tb)
11308 return -ENOMEM;
11309
11310 if (!(wowlan->flags & WIPHY_WOWLAN_NET_DETECT)) {
11311 err = -EOPNOTSUPP;
11312 goto out;
11313 }
11314
8cb08174
JB		 11315 err = nla_parse_nested_deprecated(tb, NL80211_ATTR_MAX, attr,
11316 nl80211_policy, NULL);
8cd4d456
LC		 11317 if (err)
11318 goto out;
11319
aad1e812
AVS		 11320 trig->nd_config = nl80211_parse_sched_scan(&rdev->wiphy, NULL, tb,
11321 wowlan->max_nd_match_sets);
8cd4d456
LC		 11322 err = PTR_ERR_OR_ZERO(trig->nd_config);
11323 if (err)
11324 trig->nd_config = NULL;
11325
11326out:
11327 kfree(tb);
11328 return err;
11329}
11330
ff1b6e69
JB		 11331static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
11332{
11333 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11334 struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG];
ff1b6e69 11335 struct cfg80211_wowlan new_triggers = {};
ae33bd81 11336 struct cfg80211_wowlan *ntrig;
964dc9e2 11337 const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan;
ff1b6e69 11338 int err, i;
6abb9cb9 11339 bool prev_enabled = rdev->wiphy.wowlan_config;
98fc4386 11340 bool regular = false;
ff1b6e69 11341
964dc9e2 11342 if (!wowlan)
ff1b6e69
JB		 11343 return -EOPNOTSUPP;
11344
ae33bd81
JB		 11345 if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) {
11346 cfg80211_rdev_free_wowlan(rdev);
6abb9cb9 11347 rdev->wiphy.wowlan_config = NULL;
ae33bd81
JB		 11348 goto set_wakeup;
11349 }
ff1b6e69 11350
8cb08174
JB		 11351 err = nla_parse_nested_deprecated(tb, MAX_NL80211_WOWLAN_TRIG,
11352 info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS],
11353 nl80211_wowlan_policy, info->extack);
ff1b6e69
JB		 11354 if (err)
11355 return err;
11356
11357 if (tb[NL80211_WOWLAN_TRIG_ANY]) {
11358 if (!(wowlan->flags & WIPHY_WOWLAN_ANY))
11359 return -EINVAL;
11360 new_triggers.any = true;
11361 }
11362
11363 if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) {
11364 if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT))
11365 return -EINVAL;
11366 new_triggers.disconnect = true;
98fc4386 11367 regular = true;
ff1b6e69
JB		 11368 }
11369
11370 if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) {
11371 if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT))
11372 return -EINVAL;
11373 new_triggers.magic_pkt = true;
98fc4386 11374 regular = true;
ff1b6e69
JB		 11375 }
11376
77dbbb13
JB		 11377 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED])
11378 return -EINVAL;
11379
11380 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) {
11381 if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE))
11382 return -EINVAL;
11383 new_triggers.gtk_rekey_failure = true;
98fc4386 11384 regular = true;
77dbbb13
JB		 11385 }
11386
11387 if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) {
11388 if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ))
11389 return -EINVAL;
11390 new_triggers.eap_identity_req = true;
98fc4386 11391 regular = true;
77dbbb13
JB		 11392 }
11393
11394 if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) {
11395 if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE))
11396 return -EINVAL;
11397 new_triggers.four_way_handshake = true;
98fc4386 11398 regular = true;
77dbbb13
JB		 11399 }
11400
11401 if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) {
11402 if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE))
11403 return -EINVAL;
11404 new_triggers.rfkill_release = true;
98fc4386 11405 regular = true;
77dbbb13
JB		 11406 }
11407
ff1b6e69
JB		 11408 if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) {
11409 struct nlattr *pat;
11410 int n_patterns = 0;
bb92d199 11411 int rem, pat_len, mask_len, pkt_offset;
50ac6607 11412 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
ff1b6e69 11413
98fc4386
JB		 11414 regular = true;
11415
ff1b6e69
JB		 11416 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
11417 rem)
11418 n_patterns++;
11419 if (n_patterns > wowlan->n_patterns)
11420 return -EINVAL;
11421
11422 new_triggers.patterns = kcalloc(n_patterns,
11423 sizeof(new_triggers.patterns[0]),
11424 GFP_KERNEL);
11425 if (!new_triggers.patterns)
11426 return -ENOMEM;
11427
11428 new_triggers.n_patterns = n_patterns;
11429 i = 0;
11430
11431 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
11432 rem) {
922bd80f
JB		 11433 u8 *mask_pat;
11434
8cb08174
JB		 11435 err = nla_parse_nested_deprecated(pat_tb,
11436 MAX_NL80211_PKTPAT,
11437 pat,
11438 nl80211_packet_pattern_policy,
11439 info->extack);
95bca62f
JB		 11440 if (err)
11441 goto error;
11442
ff1b6e69 11443 err = -EINVAL;
50ac6607
AK		 11444 if (!pat_tb[NL80211_PKTPAT_MASK] ||
11445 !pat_tb[NL80211_PKTPAT_PATTERN])
ff1b6e69 11446 goto error;
50ac6607 11447 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
ff1b6e69 11448 mask_len = DIV_ROUND_UP(pat_len, 8);
50ac6607 11449 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
ff1b6e69
JB		 11450 goto error;
11451 if (pat_len > wowlan->pattern_max_len ||
11452 pat_len < wowlan->pattern_min_len)
11453 goto error;
11454
50ac6607 11455 if (!pat_tb[NL80211_PKTPAT_OFFSET])
bb92d199
AK		 11456 pkt_offset = 0;
11457 else
11458 pkt_offset = nla_get_u32(
50ac6607 11459 pat_tb[NL80211_PKTPAT_OFFSET]);
bb92d199
AK		 11460 if (pkt_offset > wowlan->max_pkt_offset)
11461 goto error;
11462 new_triggers.patterns[i].pkt_offset = pkt_offset;
11463
922bd80f
JB		 11464 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
11465 if (!mask_pat) {
ff1b6e69
JB		 11466 err = -ENOMEM;
11467 goto error;
11468 }
922bd80f
JB		 11469 new_triggers.patterns[i].mask = mask_pat;
11470 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
ff1b6e69 11471 mask_len);
922bd80f
JB		 11472 mask_pat += mask_len;
11473 new_triggers.patterns[i].pattern = mask_pat;
ff1b6e69 11474 new_triggers.patterns[i].pattern_len = pat_len;
922bd80f 11475 memcpy(mask_pat,
50ac6607 11476 nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
ff1b6e69
JB		 11477 pat_len);
11478 i++;
11479 }
11480 }
11481
2a0e047e 11482 if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) {
98fc4386 11483 regular = true;
2a0e047e
JB		 11484 err = nl80211_parse_wowlan_tcp(
11485 rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION],
11486 &new_triggers);
11487 if (err)
11488 goto error;
11489 }
11490
8cd4d456 11491 if (tb[NL80211_WOWLAN_TRIG_NET_DETECT]) {
98fc4386 11492 regular = true;
8cd4d456
LC		 11493 err = nl80211_parse_wowlan_nd(
11494 rdev, wowlan, tb[NL80211_WOWLAN_TRIG_NET_DETECT],
11495 &new_triggers);
11496 if (err)
11497 goto error;
11498 }
11499
98fc4386
JB		 11500 /* The 'any' trigger means the device continues operating more or less
11501 * as in its normal operation mode and wakes up the host on most of the
11502 * normal interrupts (like packet RX, ...)
11503 * It therefore makes little sense to combine with the more constrained
11504 * wakeup trigger modes.
11505 */
11506 if (new_triggers.any && regular) {
11507 err = -EINVAL;
11508 goto error;
11509 }
11510
ae33bd81
JB		 11511 ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL);
11512 if (!ntrig) {
11513 err = -ENOMEM;
11514 goto error;
ff1b6e69 11515 }
ae33bd81 11516 cfg80211_rdev_free_wowlan(rdev);
6abb9cb9 11517 rdev->wiphy.wowlan_config = ntrig;
ff1b6e69 11518
ae33bd81 11519 set_wakeup:
6abb9cb9
JB		 11520 if (rdev->ops->set_wakeup &&
11521 prev_enabled != !!rdev->wiphy.wowlan_config)
11522 rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config);
6d52563f 11523
ff1b6e69
JB		 11524 return 0;
11525 error:
11526 for (i = 0; i < new_triggers.n_patterns; i++)
11527 kfree(new_triggers.patterns[i].mask);
11528 kfree(new_triggers.patterns);
2a0e047e
JB		 11529 if (new_triggers.tcp && new_triggers.tcp->sock)
11530 sock_release(new_triggers.tcp->sock);
11531 kfree(new_triggers.tcp);
e5dbe070 11532 kfree(new_triggers.nd_config);
ff1b6e69
JB		 11533 return err;
11534}
dfb89c56 11535#endif
ff1b6e69 11536
be29b99a
AK		 11537static int nl80211_send_coalesce_rules(struct sk_buff *msg,
11538 struct cfg80211_registered_device *rdev)
11539{
11540 struct nlattr *nl_pats, *nl_pat, *nl_rule, *nl_rules;
11541 int i, j, pat_len;
11542 struct cfg80211_coalesce_rules *rule;
11543
11544 if (!rdev->coalesce->n_rules)
11545 return 0;
11546
ae0be8de 11547 nl_rules = nla_nest_start_noflag(msg, NL80211_ATTR_COALESCE_RULE);
be29b99a
AK		 11548 if (!nl_rules)
11549 return -ENOBUFS;
11550
11551 for (i = 0; i < rdev->coalesce->n_rules; i++) {
ae0be8de 11552 nl_rule = nla_nest_start_noflag(msg, i + 1);
be29b99a
AK		 11553 if (!nl_rule)
11554 return -ENOBUFS;
11555
11556 rule = &rdev->coalesce->rules[i];
11557 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_DELAY,
11558 rule->delay))
11559 return -ENOBUFS;
11560
11561 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_CONDITION,
11562 rule->condition))
11563 return -ENOBUFS;
11564
ae0be8de
MK		 11565 nl_pats = nla_nest_start_noflag(msg,
11566 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN);
be29b99a
AK		 11567 if (!nl_pats)
11568 return -ENOBUFS;
11569
11570 for (j = 0; j < rule->n_patterns; j++) {
ae0be8de 11571 nl_pat = nla_nest_start_noflag(msg, j + 1);
be29b99a
AK		 11572 if (!nl_pat)
11573 return -ENOBUFS;
11574 pat_len = rule->patterns[j].pattern_len;
11575 if (nla_put(msg, NL80211_PKTPAT_MASK,
11576 DIV_ROUND_UP(pat_len, 8),
11577 rule->patterns[j].mask) ||
11578 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
11579 rule->patterns[j].pattern) ||
11580 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
11581 rule->patterns[j].pkt_offset))
11582 return -ENOBUFS;
11583 nla_nest_end(msg, nl_pat);
11584 }
11585 nla_nest_end(msg, nl_pats);
11586 nla_nest_end(msg, nl_rule);
11587 }
11588 nla_nest_end(msg, nl_rules);
11589
11590 return 0;
11591}
11592
11593static int nl80211_get_coalesce(struct sk_buff *skb, struct genl_info *info)
11594{
11595 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11596 struct sk_buff *msg;
11597 void *hdr;
11598
11599 if (!rdev->wiphy.coalesce)
11600 return -EOPNOTSUPP;
11601
11602 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
11603 if (!msg)
11604 return -ENOMEM;
11605
11606 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
11607 NL80211_CMD_GET_COALESCE);
11608 if (!hdr)
11609 goto nla_put_failure;
11610
11611 if (rdev->coalesce && nl80211_send_coalesce_rules(msg, rdev))
11612 goto nla_put_failure;
11613
11614 genlmsg_end(msg, hdr);
11615 return genlmsg_reply(msg, info);
11616
11617nla_put_failure:
11618 nlmsg_free(msg);
11619 return -ENOBUFS;
11620}
11621
11622void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev)
11623{
11624 struct cfg80211_coalesce *coalesce = rdev->coalesce;
11625 int i, j;
11626 struct cfg80211_coalesce_rules *rule;
11627
11628 if (!coalesce)
11629 return;
11630
11631 for (i = 0; i < coalesce->n_rules; i++) {
11632 rule = &coalesce->rules[i];
11633 for (j = 0; j < rule->n_patterns; j++)
11634 kfree(rule->patterns[j].mask);
11635 kfree(rule->patterns);
11636 }
11637 kfree(coalesce->rules);
11638 kfree(coalesce);
11639 rdev->coalesce = NULL;
11640}
11641
11642static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev,
11643 struct nlattr *rule,
11644 struct cfg80211_coalesce_rules *new_rule)
11645{
11646 int err, i;
11647 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
11648 struct nlattr *tb[NUM_NL80211_ATTR_COALESCE_RULE], *pat;
11649 int rem, pat_len, mask_len, pkt_offset, n_patterns = 0;
11650 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
11651
8cb08174
JB		 11652 err = nla_parse_nested_deprecated(tb, NL80211_ATTR_COALESCE_RULE_MAX,
11653 rule, nl80211_coalesce_policy, NULL);
be29b99a
AK		 11654 if (err)
11655 return err;
11656
11657 if (tb[NL80211_ATTR_COALESCE_RULE_DELAY])
11658 new_rule->delay =
11659 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_DELAY]);
11660 if (new_rule->delay > coalesce->max_delay)
11661 return -EINVAL;
11662
11663 if (tb[NL80211_ATTR_COALESCE_RULE_CONDITION])
11664 new_rule->condition =
11665 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_CONDITION]);
be29b99a
AK		 11666
11667 if (!tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN])
11668 return -EINVAL;
11669
11670 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
11671 rem)
11672 n_patterns++;
11673 if (n_patterns > coalesce->n_patterns)
11674 return -EINVAL;
11675
11676 new_rule->patterns = kcalloc(n_patterns, sizeof(new_rule->patterns[0]),
11677 GFP_KERNEL);
11678 if (!new_rule->patterns)
11679 return -ENOMEM;
11680
11681 new_rule->n_patterns = n_patterns;
11682 i = 0;
11683
11684 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
11685 rem) {
922bd80f
JB		 11686 u8 *mask_pat;
11687
8cb08174
JB		 11688 err = nla_parse_nested_deprecated(pat_tb, MAX_NL80211_PKTPAT,
11689 pat,
11690 nl80211_packet_pattern_policy,
11691 NULL);
95bca62f
JB		 11692 if (err)
11693 return err;
11694
be29b99a
AK		 11695 if (!pat_tb[NL80211_PKTPAT_MASK] ||
11696 !pat_tb[NL80211_PKTPAT_PATTERN])
11697 return -EINVAL;
11698 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
11699 mask_len = DIV_ROUND_UP(pat_len, 8);
11700 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
11701 return -EINVAL;
11702 if (pat_len > coalesce->pattern_max_len ||
11703 pat_len < coalesce->pattern_min_len)
11704 return -EINVAL;
11705
11706 if (!pat_tb[NL80211_PKTPAT_OFFSET])
11707 pkt_offset = 0;
11708 else
11709 pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]);
11710 if (pkt_offset > coalesce->max_pkt_offset)
11711 return -EINVAL;
11712 new_rule->patterns[i].pkt_offset = pkt_offset;
11713
922bd80f
JB		 11714 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
11715 if (!mask_pat)
be29b99a 11716 return -ENOMEM;
922bd80f
JB		 11717
11718 new_rule->patterns[i].mask = mask_pat;
11719 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
11720 mask_len);
11721
11722 mask_pat += mask_len;
11723 new_rule->patterns[i].pattern = mask_pat;
be29b99a 11724 new_rule->patterns[i].pattern_len = pat_len;
922bd80f
JB		 11725 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
11726 pat_len);
be29b99a
AK		 11727 i++;
11728 }
11729
11730 return 0;
11731}
11732
11733static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info)
11734{
11735 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11736 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
11737 struct cfg80211_coalesce new_coalesce = {};
11738 struct cfg80211_coalesce *n_coalesce;
11739 int err, rem_rule, n_rules = 0, i, j;
11740 struct nlattr *rule;
11741 struct cfg80211_coalesce_rules *tmp_rule;
11742
11743 if (!rdev->wiphy.coalesce || !rdev->ops->set_coalesce)
11744 return -EOPNOTSUPP;
11745
11746 if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) {
11747 cfg80211_rdev_free_coalesce(rdev);
a1056b1b 11748 rdev_set_coalesce(rdev, NULL);
be29b99a
AK		 11749 return 0;
11750 }
11751
11752 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
11753 rem_rule)
11754 n_rules++;
11755 if (n_rules > coalesce->n_rules)
11756 return -EINVAL;
11757
11758 new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]),
11759 GFP_KERNEL);
11760 if (!new_coalesce.rules)
11761 return -ENOMEM;
11762
11763 new_coalesce.n_rules = n_rules;
11764 i = 0;
11765
11766 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
11767 rem_rule) {
11768 err = nl80211_parse_coalesce_rule(rdev, rule,
11769 &new_coalesce.rules[i]);
11770 if (err)
11771 goto error;
11772
11773 i++;
11774 }
11775
a1056b1b 11776 err = rdev_set_coalesce(rdev, &new_coalesce);
be29b99a
AK		 11777 if (err)
11778 goto error;
11779
11780 n_coalesce = kmemdup(&new_coalesce, sizeof(new_coalesce), GFP_KERNEL);
11781 if (!n_coalesce) {
11782 err = -ENOMEM;
11783 goto error;
11784 }
11785 cfg80211_rdev_free_coalesce(rdev);
11786 rdev->coalesce = n_coalesce;
11787
11788 return 0;
11789error:
11790 for (i = 0; i < new_coalesce.n_rules; i++) {
11791 tmp_rule = &new_coalesce.rules[i];
11792 for (j = 0; j < tmp_rule->n_patterns; j++)
11793 kfree(tmp_rule->patterns[j].mask);
11794 kfree(tmp_rule->patterns);
11795 }
11796 kfree(new_coalesce.rules);
11797
11798 return err;
11799}
11800
e5497d76
JB		 11801static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info)
11802{
11803 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11804 struct net_device *dev = info->user_ptr[1];
11805 struct wireless_dev *wdev = dev->ieee80211_ptr;
11806 struct nlattr *tb[NUM_NL80211_REKEY_DATA];
11807 struct cfg80211_gtk_rekey_data rekey_data;
11808 int err;
11809
11810 if (!info->attrs[NL80211_ATTR_REKEY_DATA])
11811 return -EINVAL;
11812
8cb08174
JB		 11813 err = nla_parse_nested_deprecated(tb, MAX_NL80211_REKEY_DATA,
11814 info->attrs[NL80211_ATTR_REKEY_DATA],
11815 nl80211_rekey_policy, info->extack);
e5497d76
JB		 11816 if (err)
11817 return err;
11818
e785fa0a
VD		 11819 if (!tb[NL80211_REKEY_DATA_REPLAY_CTR] || !tb[NL80211_REKEY_DATA_KEK] ||
11820 !tb[NL80211_REKEY_DATA_KCK])
11821 return -EINVAL;
e5497d76
JB		 11822 if (nla_len(tb[NL80211_REKEY_DATA_REPLAY_CTR]) != NL80211_REPLAY_CTR_LEN)
11823 return -ERANGE;
11824 if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN)
11825 return -ERANGE;
11826 if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN)
11827 return -ERANGE;
11828
78f686ca
JB		 11829 rekey_data.kek = nla_data(tb[NL80211_REKEY_DATA_KEK]);
11830 rekey_data.kck = nla_data(tb[NL80211_REKEY_DATA_KCK]);
11831 rekey_data.replay_ctr = nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]);
e5497d76
JB		 11832
11833 wdev_lock(wdev);
11834 if (!wdev->current_bss) {
11835 err = -ENOTCONN;
11836 goto out;
11837 }
11838
11839 if (!rdev->ops->set_rekey_data) {
11840 err = -EOPNOTSUPP;
11841 goto out;
11842 }
11843
e35e4d28 11844 err = rdev_set_rekey_data(rdev, dev, &rekey_data);
e5497d76
JB		 11845 out:
11846 wdev_unlock(wdev);
11847 return err;
11848}
11849
28946da7
JB		 11850static int nl80211_register_unexpected_frame(struct sk_buff *skb,
11851 struct genl_info *info)
11852{
11853 struct net_device *dev = info->user_ptr[1];
11854 struct wireless_dev *wdev = dev->ieee80211_ptr;
11855
11856 if (wdev->iftype != NL80211_IFTYPE_AP &&
11857 wdev->iftype != NL80211_IFTYPE_P2P_GO)
11858 return -EINVAL;
11859
15e47304 11860 if (wdev->ap_unexpected_nlportid)
28946da7
JB		 11861 return -EBUSY;
11862
15e47304 11863 wdev->ap_unexpected_nlportid = info->snd_portid;
28946da7
JB		 11864 return 0;
11865}
11866
7f6cf311
JB		 11867static int nl80211_probe_client(struct sk_buff *skb,
11868 struct genl_info *info)
11869{
11870 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11871 struct net_device *dev = info->user_ptr[1];
11872 struct wireless_dev *wdev = dev->ieee80211_ptr;
11873 struct sk_buff *msg;
11874 void *hdr;
11875 const u8 *addr;
11876 u64 cookie;
11877 int err;
11878
11879 if (wdev->iftype != NL80211_IFTYPE_AP &&
11880 wdev->iftype != NL80211_IFTYPE_P2P_GO)
11881 return -EOPNOTSUPP;
11882
11883 if (!info->attrs[NL80211_ATTR_MAC])
11884 return -EINVAL;
11885
11886 if (!rdev->ops->probe_client)
11887 return -EOPNOTSUPP;
11888
11889 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
11890 if (!msg)
11891 return -ENOMEM;
11892
15e47304 11893 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
7f6cf311 11894 NL80211_CMD_PROBE_CLIENT);
cb35fba3
DC		 11895 if (!hdr) {
11896 err = -ENOBUFS;
7f6cf311
JB		 11897 goto free_msg;
11898 }
11899
11900 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
11901
e35e4d28 11902 err = rdev_probe_client(rdev, dev, addr, &cookie);
7f6cf311
JB		 11903 if (err)
11904 goto free_msg;
11905
2dad624e
ND		 11906 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
11907 NL80211_ATTR_PAD))
9360ffd1 11908 goto nla_put_failure;
7f6cf311
JB		 11909
11910 genlmsg_end(msg, hdr);
11911
11912 return genlmsg_reply(msg, info);
11913
11914 nla_put_failure:
11915 err = -ENOBUFS;
11916 free_msg:
11917 nlmsg_free(msg);
11918 return err;
11919}
11920
5e760230
JB		 11921static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info)
11922{
11923 struct cfg80211_registered_device *rdev = info->user_ptr[0];
37c73b5f
BG		 11924 struct cfg80211_beacon_registration *reg, *nreg;
11925 int rv;
5e760230
JB		 11926
11927 if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS))
11928 return -EOPNOTSUPP;
11929
37c73b5f
BG		 11930 nreg = kzalloc(sizeof(*nreg), GFP_KERNEL);
11931 if (!nreg)
11932 return -ENOMEM;
11933
11934 /* First, check if already registered. */
11935 spin_lock_bh(&rdev->beacon_registrations_lock);
11936 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
11937 if (reg->nlportid == info->snd_portid) {
11938 rv = -EALREADY;
11939 goto out_err;
11940 }
11941 }
11942 /* Add it to the list */
11943 nreg->nlportid = info->snd_portid;
11944 list_add(&nreg->list, &rdev->beacon_registrations);
5e760230 11945
37c73b5f 11946 spin_unlock_bh(&rdev->beacon_registrations_lock);
5e760230
JB		 11947
11948 return 0;
37c73b5f
BG		 11949out_err:
11950 spin_unlock_bh(&rdev->beacon_registrations_lock);
11951 kfree(nreg);
11952 return rv;
5e760230
JB		 11953}
11954
98104fde
JB		 11955static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info)
11956{
11957 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11958 struct wireless_dev *wdev = info->user_ptr[1];
11959 int err;
11960
11961 if (!rdev->ops->start_p2p_device)
11962 return -EOPNOTSUPP;
11963
11964 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
11965 return -EOPNOTSUPP;
11966
73c7da3d 11967 if (wdev_running(wdev))
98104fde
JB		 11968 return 0;
11969
b6a55015
LC		 11970 if (rfkill_blocked(rdev->rfkill))
11971 return -ERFKILL;
98104fde 11972
eeb126e9 11973 err = rdev_start_p2p_device(rdev, wdev);
98104fde
JB		 11974 if (err)
11975 return err;
11976
73c7da3d 11977 wdev->is_running = true;
98104fde 11978 rdev->opencount++;
98104fde
JB		 11979
11980 return 0;
11981}
11982
11983static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info)
11984{
11985 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11986 struct wireless_dev *wdev = info->user_ptr[1];
11987
11988 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
11989 return -EOPNOTSUPP;
11990
11991 if (!rdev->ops->stop_p2p_device)
11992 return -EOPNOTSUPP;
11993
f9f47529 11994 cfg80211_stop_p2p_device(rdev, wdev);
98104fde
JB		 11995
11996 return 0;
11997}
11998
cb3b7d87
AB		 11999static int nl80211_start_nan(struct sk_buff *skb, struct genl_info *info)
12000{
12001 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12002 struct wireless_dev *wdev = info->user_ptr[1];
12003 struct cfg80211_nan_conf conf = {};
12004 int err;
12005
12006 if (wdev->iftype != NL80211_IFTYPE_NAN)
12007 return -EOPNOTSUPP;
12008
eeb04a96 12009 if (wdev_running(wdev))
cb3b7d87
AB		 12010 return -EEXIST;
12011
12012 if (rfkill_blocked(rdev->rfkill))
12013 return -ERFKILL;
12014
12015 if (!info->attrs[NL80211_ATTR_NAN_MASTER_PREF])
12016 return -EINVAL;
12017
cb3b7d87
AB		 12018 conf.master_pref =
12019 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
cb3b7d87 12020
8585989d
LC		 12021 if (info->attrs[NL80211_ATTR_BANDS]) {
12022 u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]);
12023
12024 if (bands & ~(u32)wdev->wiphy->nan_supported_bands)
12025 return -EOPNOTSUPP;
12026
12027 if (bands && !(bands & BIT(NL80211_BAND_2GHZ)))
12028 return -EINVAL;
12029
12030 conf.bands = bands;
12031 }
cb3b7d87
AB		 12032
12033 err = rdev_start_nan(rdev, wdev, &conf);
12034 if (err)
12035 return err;
12036
73c7da3d 12037 wdev->is_running = true;
cb3b7d87
AB		 12038 rdev->opencount++;
12039
12040 return 0;
12041}
12042
12043static int nl80211_stop_nan(struct sk_buff *skb, struct genl_info *info)
12044{
12045 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12046 struct wireless_dev *wdev = info->user_ptr[1];
12047
12048 if (wdev->iftype != NL80211_IFTYPE_NAN)
12049 return -EOPNOTSUPP;
12050
12051 cfg80211_stop_nan(rdev, wdev);
12052
12053 return 0;
12054}
12055
a442b761
AB		 12056static int validate_nan_filter(struct nlattr *filter_attr)
12057{
12058 struct nlattr *attr;
12059 int len = 0, n_entries = 0, rem;
12060
12061 nla_for_each_nested(attr, filter_attr, rem) {
12062 len += nla_len(attr);
12063 n_entries++;
12064 }
12065
12066 if (len >= U8_MAX)
12067 return -EINVAL;
12068
12069 return n_entries;
12070}
12071
12072static int handle_nan_filter(struct nlattr *attr_filter,
12073 struct cfg80211_nan_func *func,
12074 bool tx)
12075{
12076 struct nlattr *attr;
12077 int n_entries, rem, i;
12078 struct cfg80211_nan_func_filter *filter;
12079
12080 n_entries = validate_nan_filter(attr_filter);
12081 if (n_entries < 0)
12082 return n_entries;
12083
12084 BUILD_BUG_ON(sizeof(*func->rx_filters) != sizeof(*func->tx_filters));
12085
12086 filter = kcalloc(n_entries, sizeof(*func->rx_filters), GFP_KERNEL);
12087 if (!filter)
12088 return -ENOMEM;
12089
12090 i = 0;
12091 nla_for_each_nested(attr, attr_filter, rem) {
b15ca182 12092 filter[i].filter = nla_memdup(attr, GFP_KERNEL);
a442b761
AB		 12093 filter[i].len = nla_len(attr);
12094 i++;
12095 }
12096 if (tx) {
12097 func->num_tx_filters = n_entries;
12098 func->tx_filters = filter;
12099 } else {
12100 func->num_rx_filters = n_entries;
12101 func->rx_filters = filter;
12102 }
12103
12104 return 0;
12105}
12106
12107static int nl80211_nan_add_func(struct sk_buff *skb,
12108 struct genl_info *info)
12109{
12110 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12111 struct wireless_dev *wdev = info->user_ptr[1];
12112 struct nlattr *tb[NUM_NL80211_NAN_FUNC_ATTR], *func_attr;
12113 struct cfg80211_nan_func *func;
12114 struct sk_buff *msg = NULL;
12115 void *hdr = NULL;
12116 int err = 0;
12117
12118 if (wdev->iftype != NL80211_IFTYPE_NAN)
12119 return -EOPNOTSUPP;
12120
73c7da3d 12121 if (!wdev_running(wdev))
a442b761
AB		 12122 return -ENOTCONN;
12123
12124 if (!info->attrs[NL80211_ATTR_NAN_FUNC])
12125 return -EINVAL;
12126
8cb08174
JB		 12127 err = nla_parse_nested_deprecated(tb, NL80211_NAN_FUNC_ATTR_MAX,
12128 info->attrs[NL80211_ATTR_NAN_FUNC],
12129 nl80211_nan_func_policy,
12130 info->extack);
a442b761
AB		 12131 if (err)
12132 return err;
12133
12134 func = kzalloc(sizeof(*func), GFP_KERNEL);
12135 if (!func)
12136 return -ENOMEM;
12137
b60ad348 12138 func->cookie = cfg80211_assign_cookie(rdev);
a442b761
AB		 12139
12140 if (!tb[NL80211_NAN_FUNC_TYPE] ||
12141 nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]) > NL80211_NAN_FUNC_MAX_TYPE) {
12142 err = -EINVAL;
12143 goto out;
12144 }
12145
12146
12147 func->type = nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]);
12148
12149 if (!tb[NL80211_NAN_FUNC_SERVICE_ID]) {
12150 err = -EINVAL;
12151 goto out;
12152 }
12153
12154 memcpy(func->service_id, nla_data(tb[NL80211_NAN_FUNC_SERVICE_ID]),
12155 sizeof(func->service_id));
12156
12157 func->close_range =
12158 nla_get_flag(tb[NL80211_NAN_FUNC_CLOSE_RANGE]);
12159
12160 if (tb[NL80211_NAN_FUNC_SERVICE_INFO]) {
12161 func->serv_spec_info_len =
12162 nla_len(tb[NL80211_NAN_FUNC_SERVICE_INFO]);
12163 func->serv_spec_info =
12164 kmemdup(nla_data(tb[NL80211_NAN_FUNC_SERVICE_INFO]),
12165 func->serv_spec_info_len,
12166 GFP_KERNEL);
12167 if (!func->serv_spec_info) {
12168 err = -ENOMEM;
12169 goto out;
12170 }
12171 }
12172
12173 if (tb[NL80211_NAN_FUNC_TTL])
12174 func->ttl = nla_get_u32(tb[NL80211_NAN_FUNC_TTL]);
12175
12176 switch (func->type) {
12177 case NL80211_NAN_FUNC_PUBLISH:
12178 if (!tb[NL80211_NAN_FUNC_PUBLISH_TYPE]) {
12179 err = -EINVAL;
12180 goto out;
12181 }
12182
12183 func->publish_type =
12184 nla_get_u8(tb[NL80211_NAN_FUNC_PUBLISH_TYPE]);
12185 func->publish_bcast =
12186 nla_get_flag(tb[NL80211_NAN_FUNC_PUBLISH_BCAST]);
12187
12188 if ((!(func->publish_type & NL80211_NAN_SOLICITED_PUBLISH)) &&
12189 func->publish_bcast) {
12190 err = -EINVAL;
12191 goto out;
12192 }
12193 break;
12194 case NL80211_NAN_FUNC_SUBSCRIBE:
12195 func->subscribe_active =
12196 nla_get_flag(tb[NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE]);
12197 break;
12198 case NL80211_NAN_FUNC_FOLLOW_UP:
12199 if (!tb[NL80211_NAN_FUNC_FOLLOW_UP_ID] ||
3ea15452
HC		 12200 !tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] ||
12201 !tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]) {
a442b761
AB		 12202 err = -EINVAL;
12203 goto out;
12204 }
12205
12206 func->followup_id =
12207 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_ID]);
12208 func->followup_reqid =
12209 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID]);
12210 memcpy(func->followup_dest.addr,
12211 nla_data(tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]),
12212 sizeof(func->followup_dest.addr));
12213 if (func->ttl) {
12214 err = -EINVAL;
12215 goto out;
12216 }
12217 break;
12218 default:
12219 err = -EINVAL;
12220 goto out;
12221 }
12222
12223 if (tb[NL80211_NAN_FUNC_SRF]) {
12224 struct nlattr *srf_tb[NUM_NL80211_NAN_SRF_ATTR];
12225
8cb08174
JB		 12226 err = nla_parse_nested_deprecated(srf_tb,
12227 NL80211_NAN_SRF_ATTR_MAX,
12228 tb[NL80211_NAN_FUNC_SRF],
12229 nl80211_nan_srf_policy,
12230 info->extack);
a442b761
AB		 12231 if (err)
12232 goto out;
12233
12234 func->srf_include =
12235 nla_get_flag(srf_tb[NL80211_NAN_SRF_INCLUDE]);
12236
12237 if (srf_tb[NL80211_NAN_SRF_BF]) {
12238 if (srf_tb[NL80211_NAN_SRF_MAC_ADDRS] ||
12239 !srf_tb[NL80211_NAN_SRF_BF_IDX]) {
12240 err = -EINVAL;
12241 goto out;
12242 }
12243
12244 func->srf_bf_len =
12245 nla_len(srf_tb[NL80211_NAN_SRF_BF]);
12246 func->srf_bf =
12247 kmemdup(nla_data(srf_tb[NL80211_NAN_SRF_BF]),
12248 func->srf_bf_len, GFP_KERNEL);
12249 if (!func->srf_bf) {
12250 err = -ENOMEM;
12251 goto out;
12252 }
12253
12254 func->srf_bf_idx =
12255 nla_get_u8(srf_tb[NL80211_NAN_SRF_BF_IDX]);
12256 } else {
12257 struct nlattr *attr, *mac_attr =
12258 srf_tb[NL80211_NAN_SRF_MAC_ADDRS];
12259 int n_entries, rem, i = 0;
12260
12261 if (!mac_attr) {
12262 err = -EINVAL;
12263 goto out;
12264 }
12265
12266 n_entries = validate_acl_mac_addrs(mac_attr);
12267 if (n_entries <= 0) {
12268 err = -EINVAL;
12269 goto out;
12270 }
12271
12272 func->srf_num_macs = n_entries;
12273 func->srf_macs =
6396bb22 12274 kcalloc(n_entries, sizeof(*func->srf_macs),
a442b761
AB		 12275 GFP_KERNEL);
12276 if (!func->srf_macs) {
12277 err = -ENOMEM;
12278 goto out;
12279 }
12280
12281 nla_for_each_nested(attr, mac_attr, rem)
12282 memcpy(func->srf_macs[i++].addr, nla_data(attr),
12283 sizeof(*func->srf_macs));
12284 }
12285 }
12286
12287 if (tb[NL80211_NAN_FUNC_TX_MATCH_FILTER]) {
12288 err = handle_nan_filter(tb[NL80211_NAN_FUNC_TX_MATCH_FILTER],
12289 func, true);
12290 if (err)
12291 goto out;
12292 }
12293
12294 if (tb[NL80211_NAN_FUNC_RX_MATCH_FILTER]) {
12295 err = handle_nan_filter(tb[NL80211_NAN_FUNC_RX_MATCH_FILTER],
12296 func, false);
12297 if (err)
12298 goto out;
12299 }
12300
12301 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12302 if (!msg) {
12303 err = -ENOMEM;
12304 goto out;
12305 }
12306
12307 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12308 NL80211_CMD_ADD_NAN_FUNCTION);
12309 /* This can't really happen - we just allocated 4KB */
12310 if (WARN_ON(!hdr)) {
12311 err = -ENOMEM;
12312 goto out;
12313 }
12314
12315 err = rdev_add_nan_func(rdev, wdev, func);
12316out:
12317 if (err < 0) {
12318 cfg80211_free_nan_func(func);
12319 nlmsg_free(msg);
12320 return err;
12321 }
12322
12323 /* propagate the instance id and cookie to userspace */
12324 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, func->cookie,
12325 NL80211_ATTR_PAD))
12326 goto nla_put_failure;
12327
ae0be8de 12328 func_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_FUNC);
a442b761
AB		 12329 if (!func_attr)
12330 goto nla_put_failure;
12331
12332 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID,
12333 func->instance_id))
12334 goto nla_put_failure;
12335
12336 nla_nest_end(msg, func_attr);
12337
12338 genlmsg_end(msg, hdr);
12339 return genlmsg_reply(msg, info);
12340
12341nla_put_failure:
12342 nlmsg_free(msg);
12343 return -ENOBUFS;
12344}
12345
12346static int nl80211_nan_del_func(struct sk_buff *skb,
12347 struct genl_info *info)
12348{
12349 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12350 struct wireless_dev *wdev = info->user_ptr[1];
12351 u64 cookie;
12352
12353 if (wdev->iftype != NL80211_IFTYPE_NAN)
12354 return -EOPNOTSUPP;
12355
73c7da3d 12356 if (!wdev_running(wdev))
a442b761
AB		 12357 return -ENOTCONN;
12358
12359 if (!info->attrs[NL80211_ATTR_COOKIE])
12360 return -EINVAL;
12361
a442b761
AB		 12362 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
12363
12364 rdev_del_nan_func(rdev, wdev, cookie);
12365
12366 return 0;
12367}
12368
a5a9dcf2
AB		 12369static int nl80211_nan_change_config(struct sk_buff *skb,
12370 struct genl_info *info)
12371{
12372 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12373 struct wireless_dev *wdev = info->user_ptr[1];
12374 struct cfg80211_nan_conf conf = {};
12375 u32 changed = 0;
12376
12377 if (wdev->iftype != NL80211_IFTYPE_NAN)
12378 return -EOPNOTSUPP;
12379
73c7da3d 12380 if (!wdev_running(wdev))
a5a9dcf2
AB		 12381 return -ENOTCONN;
12382
12383 if (info->attrs[NL80211_ATTR_NAN_MASTER_PREF]) {
12384 conf.master_pref =
12385 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
12386 if (conf.master_pref <= 1 || conf.master_pref == 255)
12387 return -EINVAL;
12388
12389 changed |= CFG80211_NAN_CONF_CHANGED_PREF;
12390 }
12391
8585989d
LC		 12392 if (info->attrs[NL80211_ATTR_BANDS]) {
12393 u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]);
12394
12395 if (bands & ~(u32)wdev->wiphy->nan_supported_bands)
12396 return -EOPNOTSUPP;
12397
12398 if (bands && !(bands & BIT(NL80211_BAND_2GHZ)))
12399 return -EINVAL;
12400
12401 conf.bands = bands;
12402 changed |= CFG80211_NAN_CONF_CHANGED_BANDS;
a5a9dcf2
AB		 12403 }
12404
12405 if (!changed)
12406 return -EINVAL;
12407
12408 return rdev_nan_change_conf(rdev, wdev, &conf, changed);
12409}
12410
50bcd31d
AB		 12411void cfg80211_nan_match(struct wireless_dev *wdev,
12412 struct cfg80211_nan_match_params *match, gfp_t gfp)
12413{
12414 struct wiphy *wiphy = wdev->wiphy;
12415 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
12416 struct nlattr *match_attr, *local_func_attr, *peer_func_attr;
12417 struct sk_buff *msg;
12418 void *hdr;
12419
12420 if (WARN_ON(!match->inst_id || !match->peer_inst_id || !match->addr))
12421 return;
12422
12423 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
12424 if (!msg)
12425 return;
12426
12427 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NAN_MATCH);
12428 if (!hdr) {
12429 nlmsg_free(msg);
12430 return;
12431 }
12432
12433 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
12434 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
12435 wdev->netdev->ifindex)) ||
12436 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
12437 NL80211_ATTR_PAD))
12438 goto nla_put_failure;
12439
12440 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, match->cookie,
12441 NL80211_ATTR_PAD) ||
12442 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, match->addr))
12443 goto nla_put_failure;
12444
ae0be8de 12445 match_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_MATCH);
50bcd31d
AB		 12446 if (!match_attr)
12447 goto nla_put_failure;
12448
ae0be8de
MK		 12449 local_func_attr = nla_nest_start_noflag(msg,
12450 NL80211_NAN_MATCH_FUNC_LOCAL);
50bcd31d
AB		 12451 if (!local_func_attr)
12452 goto nla_put_failure;
12453
12454 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->inst_id))
12455 goto nla_put_failure;
12456
12457 nla_nest_end(msg, local_func_attr);
12458
ae0be8de
MK		 12459 peer_func_attr = nla_nest_start_noflag(msg,
12460 NL80211_NAN_MATCH_FUNC_PEER);
50bcd31d
AB		 12461 if (!peer_func_attr)
12462 goto nla_put_failure;
12463
12464 if (nla_put_u8(msg, NL80211_NAN_FUNC_TYPE, match->type) ||
12465 nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->peer_inst_id))
12466 goto nla_put_failure;
12467
12468 if (match->info && match->info_len &&
12469 nla_put(msg, NL80211_NAN_FUNC_SERVICE_INFO, match->info_len,
12470 match->info))
12471 goto nla_put_failure;
12472
12473 nla_nest_end(msg, peer_func_attr);
12474 nla_nest_end(msg, match_attr);
12475 genlmsg_end(msg, hdr);
12476
12477 if (!wdev->owner_nlportid)
12478 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
12479 msg, 0, NL80211_MCGRP_NAN, gfp);
12480 else
12481 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
12482 wdev->owner_nlportid);
12483
12484 return;
12485
12486nla_put_failure:
12487 nlmsg_free(msg);
12488}
12489EXPORT_SYMBOL(cfg80211_nan_match);
12490
368e5a7b
AB		 12491void cfg80211_nan_func_terminated(struct wireless_dev *wdev,
12492 u8 inst_id,
12493 enum nl80211_nan_func_term_reason reason,
12494 u64 cookie, gfp_t gfp)
12495{
12496 struct wiphy *wiphy = wdev->wiphy;
12497 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
12498 struct sk_buff *msg;
12499 struct nlattr *func_attr;
12500 void *hdr;
12501
12502 if (WARN_ON(!inst_id))
12503 return;
12504
12505 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
12506 if (!msg)
12507 return;
12508
12509 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_NAN_FUNCTION);
12510 if (!hdr) {
12511 nlmsg_free(msg);
12512 return;
12513 }
12514
12515 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
12516 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
12517 wdev->netdev->ifindex)) ||
12518 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
12519 NL80211_ATTR_PAD))
12520 goto nla_put_failure;
12521
12522 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
12523 NL80211_ATTR_PAD))
12524 goto nla_put_failure;
12525
ae0be8de 12526 func_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_FUNC);
368e5a7b
AB		 12527 if (!func_attr)
12528 goto nla_put_failure;
12529
12530 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, inst_id) ||
12531 nla_put_u8(msg, NL80211_NAN_FUNC_TERM_REASON, reason))
12532 goto nla_put_failure;
12533
12534 nla_nest_end(msg, func_attr);
12535 genlmsg_end(msg, hdr);
12536
12537 if (!wdev->owner_nlportid)
12538 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
12539 msg, 0, NL80211_MCGRP_NAN, gfp);
12540 else
12541 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
12542 wdev->owner_nlportid);
12543
12544 return;
12545
12546nla_put_failure:
12547 nlmsg_free(msg);
12548}
12549EXPORT_SYMBOL(cfg80211_nan_func_terminated);
12550
3713b4e3
JB		 12551static int nl80211_get_protocol_features(struct sk_buff *skb,
12552 struct genl_info *info)
12553{
12554 void *hdr;
12555 struct sk_buff *msg;
12556
12557 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12558 if (!msg)
12559 return -ENOMEM;
12560
12561 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12562 NL80211_CMD_GET_PROTOCOL_FEATURES);
12563 if (!hdr)
12564 goto nla_put_failure;
12565
12566 if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES,
12567 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP))
12568 goto nla_put_failure;
12569
12570 genlmsg_end(msg, hdr);
12571 return genlmsg_reply(msg, info);
12572
12573 nla_put_failure:
12574 kfree_skb(msg);
12575 return -ENOBUFS;
12576}
12577
355199e0
JM		 12578static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info)
12579{
12580 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12581 struct cfg80211_update_ft_ies_params ft_params;
12582 struct net_device *dev = info->user_ptr[1];
12583
12584 if (!rdev->ops->update_ft_ies)
12585 return -EOPNOTSUPP;
12586
12587 if (!info->attrs[NL80211_ATTR_MDID] ||
3d7af878 12588 !info->attrs[NL80211_ATTR_IE])
355199e0
JM		 12589 return -EINVAL;
12590
12591 memset(&ft_params, 0, sizeof(ft_params));
12592 ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]);
12593 ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
12594 ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
12595
12596 return rdev_update_ft_ies(rdev, dev, &ft_params);
12597}
12598
5de17984
AS		 12599static int nl80211_crit_protocol_start(struct sk_buff *skb,
12600 struct genl_info *info)
12601{
12602 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12603 struct wireless_dev *wdev = info->user_ptr[1];
12604 enum nl80211_crit_proto_id proto = NL80211_CRIT_PROTO_UNSPEC;
12605 u16 duration;
12606 int ret;
12607
12608 if (!rdev->ops->crit_proto_start)
12609 return -EOPNOTSUPP;
12610
12611 if (WARN_ON(!rdev->ops->crit_proto_stop))
12612 return -EINVAL;
12613
12614 if (rdev->crit_proto_nlportid)
12615 return -EBUSY;
12616
12617 /* determine protocol if provided */
12618 if (info->attrs[NL80211_ATTR_CRIT_PROT_ID])
12619 proto = nla_get_u16(info->attrs[NL80211_ATTR_CRIT_PROT_ID]);
12620
12621 if (proto >= NUM_NL80211_CRIT_PROTO)
12622 return -EINVAL;
12623
12624 /* timeout must be provided */
12625 if (!info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION])
12626 return -EINVAL;
12627
12628 duration =
12629 nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]);
12630
12631 if (duration > NL80211_CRIT_PROTO_MAX_DURATION)
12632 return -ERANGE;
12633
12634 ret = rdev_crit_proto_start(rdev, wdev, proto, duration);
12635 if (!ret)
12636 rdev->crit_proto_nlportid = info->snd_portid;
12637
12638 return ret;
12639}
12640
12641static int nl80211_crit_protocol_stop(struct sk_buff *skb,
12642 struct genl_info *info)
12643{
12644 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12645 struct wireless_dev *wdev = info->user_ptr[1];
12646
12647 if (!rdev->ops->crit_proto_stop)
12648 return -EOPNOTSUPP;
12649
12650 if (rdev->crit_proto_nlportid) {
12651 rdev->crit_proto_nlportid = 0;
12652 rdev_crit_proto_stop(rdev, wdev);
12653 }
12654 return 0;
12655}
12656
ad7e718c
JB		 12657static int nl80211_vendor_cmd(struct sk_buff *skb, struct genl_info *info)
12658{
12659 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12660 struct wireless_dev *wdev =
12661 __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs);
12662 int i, err;
12663 u32 vid, subcmd;
12664
12665 if (!rdev->wiphy.vendor_commands)
12666 return -EOPNOTSUPP;
12667
12668 if (IS_ERR(wdev)) {
12669 err = PTR_ERR(wdev);
12670 if (err != -EINVAL)
12671 return err;
12672 wdev = NULL;
12673 } else if (wdev->wiphy != &rdev->wiphy) {
12674 return -EINVAL;
12675 }
12676
12677 if (!info->attrs[NL80211_ATTR_VENDOR_ID] ||
12678 !info->attrs[NL80211_ATTR_VENDOR_SUBCMD])
12679 return -EINVAL;
12680
12681 vid = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_ID]);
12682 subcmd = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_SUBCMD]);
12683 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
12684 const struct wiphy_vendor_command *vcmd;
12685 void *data = NULL;
12686 int len = 0;
12687
12688 vcmd = &rdev->wiphy.vendor_commands[i];
12689
12690 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
12691 continue;
12692
12693 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
12694 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
12695 if (!wdev)
12696 return -EINVAL;
12697 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
12698 !wdev->netdev)
12699 return -EINVAL;
12700
12701 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
73c7da3d 12702 if (!wdev_running(wdev))
ad7e718c
JB		 12703 return -ENETDOWN;
12704 }
7bdbe400
JB		 12705
12706 if (!vcmd->doit)
12707 return -EOPNOTSUPP;
ad7e718c
JB		 12708 } else {
12709 wdev = NULL;
12710 }
12711
12712 if (info->attrs[NL80211_ATTR_VENDOR_DATA]) {
12713 data = nla_data(info->attrs[NL80211_ATTR_VENDOR_DATA]);
12714 len = nla_len(info->attrs[NL80211_ATTR_VENDOR_DATA]);
12715 }
12716
12717 rdev->cur_cmd_info = info;
12718 err = rdev->wiphy.vendor_commands[i].doit(&rdev->wiphy, wdev,
12719 data, len);
12720 rdev->cur_cmd_info = NULL;
12721 return err;
12722 }
12723
12724 return -EOPNOTSUPP;
12725}
12726
7bdbe400
JB		 12727static int nl80211_prepare_vendor_dump(struct sk_buff *skb,
12728 struct netlink_callback *cb,
12729 struct cfg80211_registered_device **rdev,
12730 struct wireless_dev **wdev)
12731{
c90c39da 12732 struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam);
7bdbe400
JB		 12733 u32 vid, subcmd;
12734 unsigned int i;
12735 int vcmd_idx = -1;
12736 int err;
12737 void *data = NULL;
12738 unsigned int data_len = 0;
12739
7bdbe400
JB		 12740 if (cb->args[0]) {
12741 /* subtract the 1 again here */
12742 struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
12743 struct wireless_dev *tmp;
12744
ea90e0dc
JB		 12745 if (!wiphy)
12746 return -ENODEV;
7bdbe400
JB		 12747 *rdev = wiphy_to_rdev(wiphy);
12748 *wdev = NULL;
12749
12750 if (cb->args[1]) {
53873f13 12751 list_for_each_entry(tmp, &wiphy->wdev_list, list) {
7bdbe400
JB		 12752 if (tmp->identifier == cb->args[1] - 1) {
12753 *wdev = tmp;
12754 break;
12755 }
12756 }
12757 }
12758
12759 /* keep rtnl locked in successful case */
12760 return 0;
12761 }
12762
8cb08174
JB		 12763 err = nlmsg_parse_deprecated(cb->nlh,
12764 GENL_HDRLEN + nl80211_fam.hdrsize,
12765 attrbuf, nl80211_fam.maxattr,
12766 nl80211_policy, NULL);
7bdbe400 12767 if (err)
ea90e0dc 12768 return err;
7bdbe400 12769
c90c39da 12770 if (!attrbuf[NL80211_ATTR_VENDOR_ID] ||
ea90e0dc
JB		 12771 !attrbuf[NL80211_ATTR_VENDOR_SUBCMD])
12772 return -EINVAL;
7bdbe400 12773
c90c39da 12774 *wdev = __cfg80211_wdev_from_attrs(sock_net(skb->sk), attrbuf);
7bdbe400
JB		 12775 if (IS_ERR(*wdev))
12776 *wdev = NULL;
12777
c90c39da 12778 *rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
ea90e0dc
JB		 12779 if (IS_ERR(*rdev))
12780 return PTR_ERR(*rdev);
7bdbe400 12781
c90c39da
JB		 12782 vid = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_ID]);
12783 subcmd = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_SUBCMD]);
7bdbe400
JB		 12784
12785 for (i = 0; i < (*rdev)->wiphy.n_vendor_commands; i++) {
12786 const struct wiphy_vendor_command *vcmd;
12787
12788 vcmd = &(*rdev)->wiphy.vendor_commands[i];
12789
12790 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
12791 continue;
12792
ea90e0dc
JB		 12793 if (!vcmd->dumpit)
12794 return -EOPNOTSUPP;
7bdbe400
JB		 12795
12796 vcmd_idx = i;
12797 break;
12798 }
12799
ea90e0dc
JB		 12800 if (vcmd_idx < 0)
12801 return -EOPNOTSUPP;
7bdbe400 12802
c90c39da
JB		 12803 if (attrbuf[NL80211_ATTR_VENDOR_DATA]) {
12804 data = nla_data(attrbuf[NL80211_ATTR_VENDOR_DATA]);
12805 data_len = nla_len(attrbuf[NL80211_ATTR_VENDOR_DATA]);
7bdbe400
JB		 12806 }
12807
12808 /* 0 is the first index - add 1 to parse only once */
12809 cb->args[0] = (*rdev)->wiphy_idx + 1;
12810 /* add 1 to know if it was NULL */
12811 cb->args[1] = *wdev ? (*wdev)->identifier + 1 : 0;
12812 cb->args[2] = vcmd_idx;
12813 cb->args[3] = (unsigned long)data;
12814 cb->args[4] = data_len;
12815
12816 /* keep rtnl locked in successful case */
12817 return 0;
7bdbe400
JB		 12818}
12819
12820static int nl80211_vendor_cmd_dump(struct sk_buff *skb,
12821 struct netlink_callback *cb)
12822{
12823 struct cfg80211_registered_device *rdev;
12824 struct wireless_dev *wdev;
12825 unsigned int vcmd_idx;
12826 const struct wiphy_vendor_command *vcmd;
12827 void *data;
12828 int data_len;
12829 int err;
12830 struct nlattr *vendor_data;
12831
ea90e0dc 12832 rtnl_lock();
7bdbe400
JB		 12833 err = nl80211_prepare_vendor_dump(skb, cb, &rdev, &wdev);
12834 if (err)
ea90e0dc 12835 goto out;
7bdbe400
JB		 12836
12837 vcmd_idx = cb->args[2];
12838 data = (void *)cb->args[3];
12839 data_len = cb->args[4];
12840 vcmd = &rdev->wiphy.vendor_commands[vcmd_idx];
12841
12842 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
12843 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
ea90e0dc
JB		 12844 if (!wdev) {
12845 err = -EINVAL;
12846 goto out;
12847 }
7bdbe400 12848 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
ea90e0dc
JB		 12849 !wdev->netdev) {
12850 err = -EINVAL;
12851 goto out;
12852 }
7bdbe400
JB		 12853
12854 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
ea90e0dc
JB		 12855 if (!wdev_running(wdev)) {
12856 err = -ENETDOWN;
12857 goto out;
12858 }
7bdbe400
JB		 12859 }
12860 }
12861
12862 while (1) {
12863 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
12864 cb->nlh->nlmsg_seq, NLM_F_MULTI,
12865 NL80211_CMD_VENDOR);
12866 if (!hdr)
12867 break;
12868
12869 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
2dad624e
ND		 12870 (wdev && nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
12871 wdev_id(wdev),
12872 NL80211_ATTR_PAD))) {
7bdbe400
JB		 12873 genlmsg_cancel(skb, hdr);
12874 break;
12875 }
12876
ae0be8de
MK		 12877 vendor_data = nla_nest_start_noflag(skb,
12878 NL80211_ATTR_VENDOR_DATA);
7bdbe400
JB		 12879 if (!vendor_data) {
12880 genlmsg_cancel(skb, hdr);
12881 break;
12882 }
12883
12884 err = vcmd->dumpit(&rdev->wiphy, wdev, skb, data, data_len,
12885 (unsigned long *)&cb->args[5]);
12886 nla_nest_end(skb, vendor_data);
12887
12888 if (err == -ENOBUFS || err == -ENOENT) {
12889 genlmsg_cancel(skb, hdr);
12890 break;
12891 } else if (err) {
12892 genlmsg_cancel(skb, hdr);
12893 goto out;
12894 }
12895
12896 genlmsg_end(skb, hdr);
12897 }
12898
12899 err = skb->len;
12900 out:
12901 rtnl_unlock();
12902 return err;
12903}
12904
ad7e718c
JB		 12905struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy,
12906 enum nl80211_commands cmd,
12907 enum nl80211_attrs attr,
12908 int approxlen)
12909{
f26cbf40 12910 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
ad7e718c
JB		 12911
12912 if (WARN_ON(!rdev->cur_cmd_info))
12913 return NULL;
12914
6c09e791 12915 return __cfg80211_alloc_vendor_skb(rdev, NULL, approxlen,
ad7e718c
JB		 12916 rdev->cur_cmd_info->snd_portid,
12917 rdev->cur_cmd_info->snd_seq,
567ffc35 12918 cmd, attr, NULL, GFP_KERNEL);
ad7e718c
JB		 12919}
12920EXPORT_SYMBOL(__cfg80211_alloc_reply_skb);
12921
12922int cfg80211_vendor_cmd_reply(struct sk_buff *skb)
12923{
12924 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
12925 void *hdr = ((void **)skb->cb)[1];
12926 struct nlattr *data = ((void **)skb->cb)[2];
12927
bd8c78e7
JB		 12928 /* clear CB data for netlink core to own from now on */
12929 memset(skb->cb, 0, sizeof(skb->cb));
12930
ad7e718c
JB		 12931 if (WARN_ON(!rdev->cur_cmd_info)) {
12932 kfree_skb(skb);
12933 return -EINVAL;
12934 }
12935
12936 nla_nest_end(skb, data);
12937 genlmsg_end(skb, hdr);
12938 return genlmsg_reply(skb, rdev->cur_cmd_info);
12939}
12940EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply);
12941
55c1fdf0
JB		 12942unsigned int cfg80211_vendor_cmd_get_sender(struct wiphy *wiphy)
12943{
12944 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
12945
12946 if (WARN_ON(!rdev->cur_cmd_info))
12947 return 0;
12948
12949 return rdev->cur_cmd_info->snd_portid;
12950}
12951EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_get_sender);
12952
fa9ffc74
KP		 12953static int nl80211_set_qos_map(struct sk_buff *skb,
12954 struct genl_info *info)
12955{
12956 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12957 struct cfg80211_qos_map *qos_map = NULL;
12958 struct net_device *dev = info->user_ptr[1];
12959 u8 *pos, len, num_des, des_len, des;
12960 int ret;
12961
12962 if (!rdev->ops->set_qos_map)
12963 return -EOPNOTSUPP;
12964
12965 if (info->attrs[NL80211_ATTR_QOS_MAP]) {
12966 pos = nla_data(info->attrs[NL80211_ATTR_QOS_MAP]);
12967 len = nla_len(info->attrs[NL80211_ATTR_QOS_MAP]);
12968
12969 if (len % 2 || len < IEEE80211_QOS_MAP_LEN_MIN ||
12970 len > IEEE80211_QOS_MAP_LEN_MAX)
12971 return -EINVAL;
12972
12973 qos_map = kzalloc(sizeof(struct cfg80211_qos_map), GFP_KERNEL);
12974 if (!qos_map)
12975 return -ENOMEM;
12976
12977 num_des = (len - IEEE80211_QOS_MAP_LEN_MIN) >> 1;
12978 if (num_des) {
12979 des_len = num_des *
12980 sizeof(struct cfg80211_dscp_exception);
12981 memcpy(qos_map->dscp_exception, pos, des_len);
12982 qos_map->num_des = num_des;
12983 for (des = 0; des < num_des; des++) {
12984 if (qos_map->dscp_exception[des].up > 7) {
12985 kfree(qos_map);
12986 return -EINVAL;
12987 }
12988 }
12989 pos += des_len;
12990 }
12991 memcpy(qos_map->up, pos, IEEE80211_QOS_MAP_LEN_MIN);
12992 }
12993
12994 wdev_lock(dev->ieee80211_ptr);
12995 ret = nl80211_key_allowed(dev->ieee80211_ptr);
12996 if (!ret)
12997 ret = rdev_set_qos_map(rdev, dev, qos_map);
12998 wdev_unlock(dev->ieee80211_ptr);
12999
13000 kfree(qos_map);
13001 return ret;
13002}
13003
960d01ac
JB		 13004static int nl80211_add_tx_ts(struct sk_buff *skb, struct genl_info *info)
13005{
13006 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13007 struct net_device *dev = info->user_ptr[1];
13008 struct wireless_dev *wdev = dev->ieee80211_ptr;
13009 const u8 *peer;
13010 u8 tsid, up;
13011 u16 admitted_time = 0;
13012 int err;
13013
723e73ac 13014 if (!(rdev->wiphy.features & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION))
960d01ac
JB		 13015 return -EOPNOTSUPP;
13016
13017 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC] ||
13018 !info->attrs[NL80211_ATTR_USER_PRIO])
13019 return -EINVAL;
13020
13021 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
960d01ac 13022 up = nla_get_u8(info->attrs[NL80211_ATTR_USER_PRIO]);
960d01ac
JB		 13023
13024 /* WMM uses TIDs 0-7 even for TSPEC */
723e73ac 13025 if (tsid >= IEEE80211_FIRST_TSPEC_TSID) {
960d01ac 13026 /* TODO: handle 802.11 TSPEC/admission control
723e73ac
JB		 13027 * need more attributes for that (e.g. BA session requirement);
13028 * change the WMM adminssion test above to allow both then
960d01ac
JB		 13029 */
13030 return -EINVAL;
13031 }
13032
13033 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
13034
13035 if (info->attrs[NL80211_ATTR_ADMITTED_TIME]) {
13036 admitted_time =
13037 nla_get_u16(info->attrs[NL80211_ATTR_ADMITTED_TIME]);
13038 if (!admitted_time)
13039 return -EINVAL;
13040 }
13041
13042 wdev_lock(wdev);
13043 switch (wdev->iftype) {
13044 case NL80211_IFTYPE_STATION:
13045 case NL80211_IFTYPE_P2P_CLIENT:
13046 if (wdev->current_bss)
13047 break;
13048 err = -ENOTCONN;
13049 goto out;
13050 default:
13051 err = -EOPNOTSUPP;
13052 goto out;
13053 }
13054
13055 err = rdev_add_tx_ts(rdev, dev, tsid, peer, up, admitted_time);
13056
13057 out:
13058 wdev_unlock(wdev);
13059 return err;
13060}
13061
13062static int nl80211_del_tx_ts(struct sk_buff *skb, struct genl_info *info)
13063{
13064 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13065 struct net_device *dev = info->user_ptr[1];
13066 struct wireless_dev *wdev = dev->ieee80211_ptr;
13067 const u8 *peer;
13068 u8 tsid;
13069 int err;
13070
13071 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC])
13072 return -EINVAL;
13073
13074 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
13075 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
13076
13077 wdev_lock(wdev);
13078 err = rdev_del_tx_ts(rdev, dev, tsid, peer);
13079 wdev_unlock(wdev);
13080
13081 return err;
13082}
13083
1057d35e
AN		 13084static int nl80211_tdls_channel_switch(struct sk_buff *skb,
13085 struct genl_info *info)
13086{
13087 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13088 struct net_device *dev = info->user_ptr[1];
13089 struct wireless_dev *wdev = dev->ieee80211_ptr;
13090 struct cfg80211_chan_def chandef = {};
13091 const u8 *addr;
13092 u8 oper_class;
13093 int err;
13094
13095 if (!rdev->ops->tdls_channel_switch ||
13096 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
13097 return -EOPNOTSUPP;
13098
13099 switch (dev->ieee80211_ptr->iftype) {
13100 case NL80211_IFTYPE_STATION:
13101 case NL80211_IFTYPE_P2P_CLIENT:
13102 break;
13103 default:
13104 return -EOPNOTSUPP;
13105 }
13106
13107 if (!info->attrs[NL80211_ATTR_MAC] ||
13108 !info->attrs[NL80211_ATTR_OPER_CLASS])
13109 return -EINVAL;
13110
13111 err = nl80211_parse_chandef(rdev, info, &chandef);
13112 if (err)
13113 return err;
13114
13115 /*
13116 * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012
13117 * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the
13118 * specification is not defined for them.
13119 */
57fbcce3 13120 if (chandef.chan->band == NL80211_BAND_2GHZ &&
1057d35e
AN		 13121 chandef.width != NL80211_CHAN_WIDTH_20_NOHT &&
13122 chandef.width != NL80211_CHAN_WIDTH_20)
13123 return -EINVAL;
13124
13125 /* we will be active on the TDLS link */
923b352f
AN		 13126 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
13127 wdev->iftype))
1057d35e
AN		 13128 return -EINVAL;
13129
13130 /* don't allow switching to DFS channels */
13131 if (cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, wdev->iftype))
13132 return -EINVAL;
13133
13134 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
13135 oper_class = nla_get_u8(info->attrs[NL80211_ATTR_OPER_CLASS]);
13136
13137 wdev_lock(wdev);
13138 err = rdev_tdls_channel_switch(rdev, dev, addr, oper_class, &chandef);
13139 wdev_unlock(wdev);
13140
13141 return err;
13142}
13143
13144static int nl80211_tdls_cancel_channel_switch(struct sk_buff *skb,
13145 struct genl_info *info)
13146{
13147 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13148 struct net_device *dev = info->user_ptr[1];
13149 struct wireless_dev *wdev = dev->ieee80211_ptr;
13150 const u8 *addr;
13151
13152 if (!rdev->ops->tdls_channel_switch ||
13153 !rdev->ops->tdls_cancel_channel_switch ||
13154 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
13155 return -EOPNOTSUPP;
13156
13157 switch (dev->ieee80211_ptr->iftype) {
13158 case NL80211_IFTYPE_STATION:
13159 case NL80211_IFTYPE_P2P_CLIENT:
13160 break;
13161 default:
13162 return -EOPNOTSUPP;
13163 }
13164
13165 if (!info->attrs[NL80211_ATTR_MAC])
13166 return -EINVAL;
13167
13168 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
13169
13170 wdev_lock(wdev);
13171 rdev_tdls_cancel_channel_switch(rdev, dev, addr);
13172 wdev_unlock(wdev);
13173
13174 return 0;
13175}
13176
ce0ce13a
MB		 13177static int nl80211_set_multicast_to_unicast(struct sk_buff *skb,
13178 struct genl_info *info)
13179{
13180 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13181 struct net_device *dev = info->user_ptr[1];
13182 struct wireless_dev *wdev = dev->ieee80211_ptr;
13183 const struct nlattr *nla;
13184 bool enabled;
13185
ce0ce13a
MB		 13186 if (!rdev->ops->set_multicast_to_unicast)
13187 return -EOPNOTSUPP;
13188
13189 if (wdev->iftype != NL80211_IFTYPE_AP &&
13190 wdev->iftype != NL80211_IFTYPE_P2P_GO)
13191 return -EOPNOTSUPP;
13192
13193 nla = info->attrs[NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED];
13194 enabled = nla_get_flag(nla);
13195
13196 return rdev_set_multicast_to_unicast(rdev, dev, enabled);
13197}
13198
3a00df57
AS		 13199static int nl80211_set_pmk(struct sk_buff *skb, struct genl_info *info)
13200{
13201 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13202 struct net_device *dev = info->user_ptr[1];
13203 struct wireless_dev *wdev = dev->ieee80211_ptr;
13204 struct cfg80211_pmk_conf pmk_conf = {};
13205 int ret;
13206
13207 if (wdev->iftype != NL80211_IFTYPE_STATION &&
13208 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
13209 return -EOPNOTSUPP;
13210
13211 if (!wiphy_ext_feature_isset(&rdev->wiphy,
13212 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
13213 return -EOPNOTSUPP;
13214
13215 if (!info->attrs[NL80211_ATTR_MAC] || !info->attrs[NL80211_ATTR_PMK])
13216 return -EINVAL;
13217
13218 wdev_lock(wdev);
13219 if (!wdev->current_bss) {
13220 ret = -ENOTCONN;
13221 goto out;
13222 }
13223
13224 pmk_conf.aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
13225 if (memcmp(pmk_conf.aa, wdev->current_bss->pub.bssid, ETH_ALEN)) {
13226 ret = -EINVAL;
13227 goto out;
13228 }
13229
13230 pmk_conf.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
13231 pmk_conf.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
13232 if (pmk_conf.pmk_len != WLAN_PMK_LEN &&
13233 pmk_conf.pmk_len != WLAN_PMK_LEN_SUITE_B_192) {
13234 ret = -EINVAL;
13235 goto out;
13236 }
13237
13238 if (info->attrs[NL80211_ATTR_PMKR0_NAME]) {
13239 int r0_name_len = nla_len(info->attrs[NL80211_ATTR_PMKR0_NAME]);
13240
13241 if (r0_name_len != WLAN_PMK_NAME_LEN) {
13242 ret = -EINVAL;
13243 goto out;
13244 }
13245
13246 pmk_conf.pmk_r0_name =
13247 nla_data(info->attrs[NL80211_ATTR_PMKR0_NAME]);
13248 }
13249
13250 ret = rdev_set_pmk(rdev, dev, &pmk_conf);
13251out:
13252 wdev_unlock(wdev);
13253 return ret;
13254}
13255
13256static int nl80211_del_pmk(struct sk_buff *skb, struct genl_info *info)
13257{
13258 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13259 struct net_device *dev = info->user_ptr[1];
13260 struct wireless_dev *wdev = dev->ieee80211_ptr;
13261 const u8 *aa;
13262 int ret;
13263
13264 if (wdev->iftype != NL80211_IFTYPE_STATION &&
13265 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
13266 return -EOPNOTSUPP;
13267
13268 if (!wiphy_ext_feature_isset(&rdev->wiphy,
13269 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
13270 return -EOPNOTSUPP;
13271
13272 if (!info->attrs[NL80211_ATTR_MAC])
13273 return -EINVAL;
13274
13275 wdev_lock(wdev);
13276 aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
13277 ret = rdev_del_pmk(rdev, dev, aa);
13278 wdev_unlock(wdev);
13279
13280 return ret;
13281}
13282
40cbfa90
SD		 13283static int nl80211_external_auth(struct sk_buff *skb, struct genl_info *info)
13284{
13285 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13286 struct net_device *dev = info->user_ptr[1];
13287 struct cfg80211_external_auth_params params;
13288
db8d93a7 13289 if (!rdev->ops->external_auth)
40cbfa90
SD		 13290 return -EOPNOTSUPP;
13291
fe494370
SD		 13292 if (!info->attrs[NL80211_ATTR_SSID] &&
13293 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
13294 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
40cbfa90
SD		 13295 return -EINVAL;
13296
13297 if (!info->attrs[NL80211_ATTR_BSSID])
13298 return -EINVAL;
13299
13300 if (!info->attrs[NL80211_ATTR_STATUS_CODE])
13301 return -EINVAL;
13302
13303 memset(&params, 0, sizeof(params));
13304
fe494370
SD		 13305 if (info->attrs[NL80211_ATTR_SSID]) {
13306 params.ssid.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
13307 if (params.ssid.ssid_len == 0 ||
13308 params.ssid.ssid_len > IEEE80211_MAX_SSID_LEN)
13309 return -EINVAL;
13310 memcpy(params.ssid.ssid,
13311 nla_data(info->attrs[NL80211_ATTR_SSID]),
13312 params.ssid.ssid_len);
13313 }
40cbfa90
SD		 13314
13315 memcpy(params.bssid, nla_data(info->attrs[NL80211_ATTR_BSSID]),
13316 ETH_ALEN);
13317
13318 params.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
13319
fe494370
SD		 13320 if (info->attrs[NL80211_ATTR_PMKID])
13321 params.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
13322
40cbfa90
SD		 13323 return rdev_external_auth(rdev, dev, &params);
13324}
13325
2576a9ac
DK		 13326static int nl80211_tx_control_port(struct sk_buff *skb, struct genl_info *info)
13327{
13328 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13329 struct net_device *dev = info->user_ptr[1];
13330 struct wireless_dev *wdev = dev->ieee80211_ptr;
13331 const u8 *buf;
13332 size_t len;
13333 u8 *dest;
13334 u16 proto;
13335 bool noencrypt;
13336 int err;
13337
13338 if (!wiphy_ext_feature_isset(&rdev->wiphy,
13339 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
13340 return -EOPNOTSUPP;
13341
13342 if (!rdev->ops->tx_control_port)
13343 return -EOPNOTSUPP;
13344
13345 if (!info->attrs[NL80211_ATTR_FRAME] ||
13346 !info->attrs[NL80211_ATTR_MAC] ||
13347 !info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
13348 GENL_SET_ERR_MSG(info, "Frame, MAC or ethertype missing");
13349 return -EINVAL;
13350 }
13351
13352 wdev_lock(wdev);
13353
13354 switch (wdev->iftype) {
13355 case NL80211_IFTYPE_AP:
13356 case NL80211_IFTYPE_P2P_GO:
13357 case NL80211_IFTYPE_MESH_POINT:
13358 break;
13359 case NL80211_IFTYPE_ADHOC:
13360 case NL80211_IFTYPE_STATION:
13361 case NL80211_IFTYPE_P2P_CLIENT:
13362 if (wdev->current_bss)
13363 break;
13364 err = -ENOTCONN;
13365 goto out;
13366 default:
13367 err = -EOPNOTSUPP;
13368 goto out;
13369 }
13370
13371 wdev_unlock(wdev);
13372
13373 buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
13374 len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
13375 dest = nla_data(info->attrs[NL80211_ATTR_MAC]);
13376 proto = nla_get_u16(info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
13377 noencrypt =
13378 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]);
13379
13380 return rdev_tx_control_port(rdev, dev, buf, len,
13381 dest, cpu_to_be16(proto), noencrypt);
13382
13383 out:
13384 wdev_unlock(wdev);
13385 return err;
13386}
13387
81e54d08
PKC		 13388static int nl80211_get_ftm_responder_stats(struct sk_buff *skb,
13389 struct genl_info *info)
13390{
13391 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13392 struct net_device *dev = info->user_ptr[1];
13393 struct wireless_dev *wdev = dev->ieee80211_ptr;
13394 struct cfg80211_ftm_responder_stats ftm_stats = {};
13395 struct sk_buff *msg;
13396 void *hdr;
13397 struct nlattr *ftm_stats_attr;
13398 int err;
13399
13400 if (wdev->iftype != NL80211_IFTYPE_AP || !wdev->beacon_interval)
13401 return -EOPNOTSUPP;
13402
13403 err = rdev_get_ftm_responder_stats(rdev, dev, &ftm_stats);
13404 if (err)
13405 return err;
13406
13407 if (!ftm_stats.filled)
13408 return -ENODATA;
13409
13410 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
13411 if (!msg)
13412 return -ENOMEM;
13413
13414 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
13415 NL80211_CMD_GET_FTM_RESPONDER_STATS);
13416 if (!hdr)
13417 return -ENOBUFS;
13418
13419 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
13420 goto nla_put_failure;
13421
ae0be8de
MK		 13422 ftm_stats_attr = nla_nest_start_noflag(msg,
13423 NL80211_ATTR_FTM_RESPONDER_STATS);
81e54d08
PKC		 13424 if (!ftm_stats_attr)
13425 goto nla_put_failure;
13426
13427#define SET_FTM(field, name, type) \
13428 do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
13429 nla_put_ ## type(msg, NL80211_FTM_STATS_ ## name, \
13430 ftm_stats.field)) \
13431 goto nla_put_failure; } while (0)
13432#define SET_FTM_U64(field, name) \
13433 do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
13434 nla_put_u64_64bit(msg, NL80211_FTM_STATS_ ## name, \
13435 ftm_stats.field, NL80211_FTM_STATS_PAD)) \
13436 goto nla_put_failure; } while (0)
13437
13438 SET_FTM(success_num, SUCCESS_NUM, u32);
13439 SET_FTM(partial_num, PARTIAL_NUM, u32);
13440 SET_FTM(failed_num, FAILED_NUM, u32);
13441 SET_FTM(asap_num, ASAP_NUM, u32);
13442 SET_FTM(non_asap_num, NON_ASAP_NUM, u32);
13443 SET_FTM_U64(total_duration_ms, TOTAL_DURATION_MSEC);
13444 SET_FTM(unknown_triggers_num, UNKNOWN_TRIGGERS_NUM, u32);
13445 SET_FTM(reschedule_requests_num, RESCHEDULE_REQUESTS_NUM, u32);
13446 SET_FTM(out_of_window_triggers_num, OUT_OF_WINDOW_TRIGGERS_NUM, u32);
13447#undef SET_FTM
13448
13449 nla_nest_end(msg, ftm_stats_attr);
13450
13451 genlmsg_end(msg, hdr);
13452 return genlmsg_reply(msg, info);
13453
13454nla_put_failure:
13455 nlmsg_free(msg);
13456 return -ENOBUFS;
13457}
13458
cb74e977
SD		 13459static int nl80211_update_owe_info(struct sk_buff *skb, struct genl_info *info)
13460{
13461 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13462 struct cfg80211_update_owe_info owe_info;
13463 struct net_device *dev = info->user_ptr[1];
13464
13465 if (!rdev->ops->update_owe_info)
13466 return -EOPNOTSUPP;
13467
13468 if (!info->attrs[NL80211_ATTR_STATUS_CODE] ||
13469 !info->attrs[NL80211_ATTR_MAC])
13470 return -EINVAL;
13471
13472 memset(&owe_info, 0, sizeof(owe_info));
13473 owe_info.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
13474 nla_memcpy(owe_info.peer, info->attrs[NL80211_ATTR_MAC], ETH_ALEN);
13475
13476 if (info->attrs[NL80211_ATTR_IE]) {
13477 owe_info.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
13478 owe_info.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
13479 }
13480
13481 return rdev_update_owe_info(rdev, dev, &owe_info);
13482}
13483
5ab92e7f
RM		 13484static int nl80211_probe_mesh_link(struct sk_buff *skb, struct genl_info *info)
13485{
13486 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13487 struct net_device *dev = info->user_ptr[1];
13488 struct wireless_dev *wdev = dev->ieee80211_ptr;
13489 struct station_info sinfo = {};
13490 const u8 *buf;
13491 size_t len;
13492 u8 *dest;
13493 int err;
13494
13495 if (!rdev->ops->probe_mesh_link || !rdev->ops->get_station)
13496 return -EOPNOTSUPP;
13497
13498 if (!info->attrs[NL80211_ATTR_MAC] ||
13499 !info->attrs[NL80211_ATTR_FRAME]) {
13500 GENL_SET_ERR_MSG(info, "Frame or MAC missing");
13501 return -EINVAL;
13502 }
13503
13504 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
13505 return -EOPNOTSUPP;
13506
13507 dest = nla_data(info->attrs[NL80211_ATTR_MAC]);
13508 buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
13509 len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
13510
13511 if (len < sizeof(struct ethhdr))
13512 return -EINVAL;
13513
13514 if (!ether_addr_equal(buf, dest) || is_multicast_ether_addr(buf) ||
13515 !ether_addr_equal(buf + ETH_ALEN, dev->dev_addr))
13516 return -EINVAL;
13517
13518 err = rdev_get_station(rdev, dev, dest, &sinfo);
13519 if (err)
13520 return err;
13521
13522 return rdev_probe_mesh_link(rdev, dev, dest, buf, len);
13523}
13524
4c476991
JB		 13525#define NL80211_FLAG_NEED_WIPHY 0x01
13526#define NL80211_FLAG_NEED_NETDEV 0x02
13527#define NL80211_FLAG_NEED_RTNL 0x04
41265714
JB		 13528#define NL80211_FLAG_CHECK_NETDEV_UP 0x08
13529#define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
13530 NL80211_FLAG_CHECK_NETDEV_UP)
1bf614ef 13531#define NL80211_FLAG_NEED_WDEV 0x10
98104fde 13532/* If a netdev is associated, it must be UP, P2P must be started */
1bf614ef
JB		 13533#define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
13534 NL80211_FLAG_CHECK_NETDEV_UP)
5393b917 13535#define NL80211_FLAG_CLEAR_SKB 0x20
4c476991 13536
f84f771d 13537static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb,
4c476991
JB		 13538 struct genl_info *info)
13539{
13540 struct cfg80211_registered_device *rdev;
89a54e48 13541 struct wireless_dev *wdev;
4c476991 13542 struct net_device *dev;
4c476991
JB		 13543 bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL;
13544
13545 if (rtnl)
13546 rtnl_lock();
13547
13548 if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) {
4f7eff10 13549 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
4c476991
JB		 13550 if (IS_ERR(rdev)) {
13551 if (rtnl)
13552 rtnl_unlock();
13553 return PTR_ERR(rdev);
13554 }
13555 info->user_ptr[0] = rdev;
1bf614ef
JB		 13556 } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV ||
13557 ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
5fe231e8
JB		 13558 ASSERT_RTNL();
13559
89a54e48
JB		 13560 wdev = __cfg80211_wdev_from_attrs(genl_info_net(info),
13561 info->attrs);
13562 if (IS_ERR(wdev)) {
4c476991
JB		 13563 if (rtnl)
13564 rtnl_unlock();
89a54e48 13565 return PTR_ERR(wdev);
4c476991 13566 }
89a54e48 13567
89a54e48 13568 dev = wdev->netdev;
f26cbf40 13569 rdev = wiphy_to_rdev(wdev->wiphy);
89a54e48 13570
1bf614ef
JB		 13571 if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) {
13572 if (!dev) {
1bf614ef
JB		 13573 if (rtnl)
13574 rtnl_unlock();
13575 return -EINVAL;
13576 }
13577
13578 info->user_ptr[1] = dev;
13579 } else {
13580 info->user_ptr[1] = wdev;
41265714 13581 }
1bf614ef 13582
73c7da3d
AVS		 13583 if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP &&
13584 !wdev_running(wdev)) {
13585 if (rtnl)
13586 rtnl_unlock();
13587 return -ENETDOWN;
13588 }
1bf614ef 13589
73c7da3d 13590 if (dev)
1bf614ef 13591 dev_hold(dev);
89a54e48 13592
4c476991 13593 info->user_ptr[0] = rdev;
4c476991
JB		 13594 }
13595
13596 return 0;
13597}
13598
f84f771d 13599static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb,
4c476991
JB		 13600 struct genl_info *info)
13601{
1bf614ef
JB		 13602 if (info->user_ptr[1]) {
13603 if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
13604 struct wireless_dev *wdev = info->user_ptr[1];
13605
13606 if (wdev->netdev)
13607 dev_put(wdev->netdev);
13608 } else {
13609 dev_put(info->user_ptr[1]);
13610 }
13611 }
5393b917 13612
4c476991
JB		 13613 if (ops->internal_flags & NL80211_FLAG_NEED_RTNL)
13614 rtnl_unlock();
5393b917
JB		 13615
13616 /* If needed, clear the netlink message payload from the SKB
13617 * as it might contain key data that shouldn't stick around on
13618 * the heap after the SKB is freed. The netlink message header
13619 * is still needed for further processing, so leave it intact.
13620 */
13621 if (ops->internal_flags & NL80211_FLAG_CLEAR_SKB) {
13622 struct nlmsghdr *nlh = nlmsg_hdr(skb);
13623
13624 memset(nlmsg_data(nlh), 0, nlmsg_len(nlh));
13625 }
4c476991
JB		 13626}
13627
4534de83 13628static const struct genl_ops nl80211_ops[] = {
55682965
JB		 13629 {
13630 .cmd = NL80211_CMD_GET_WIPHY,
ef6243ac 13631 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
55682965
JB		 13632 .doit = nl80211_get_wiphy,
13633 .dumpit = nl80211_dump_wiphy,
86e8cf98 13634 .done = nl80211_dump_wiphy_done,
55682965 13635 /* can be retrieved by unprivileged users */
5fe231e8
JB		 13636 .internal_flags = NL80211_FLAG_NEED_WIPHY |
13637 NL80211_FLAG_NEED_RTNL,
55682965
JB		 13638 },
13639 {
13640 .cmd = NL80211_CMD_SET_WIPHY,
ef6243ac 13641 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
55682965 13642 .doit = nl80211_set_wiphy,
5617c6cd 13643 .flags = GENL_UNS_ADMIN_PERM,
4c476991 13644 .internal_flags = NL80211_FLAG_NEED_RTNL,
55682965
JB		 13645 },
13646 {
13647 .cmd = NL80211_CMD_GET_INTERFACE,
ef6243ac 13648 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
55682965
JB		 13649 .doit = nl80211_get_interface,
13650 .dumpit = nl80211_dump_interface,
55682965 13651 /* can be retrieved by unprivileged users */
5fe231e8
JB		 13652 .internal_flags = NL80211_FLAG_NEED_WDEV |
13653 NL80211_FLAG_NEED_RTNL,
55682965
JB		 13654 },
13655 {
13656 .cmd = NL80211_CMD_SET_INTERFACE,
ef6243ac 13657 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
55682965 13658 .doit = nl80211_set_interface,
5617c6cd 13659 .flags = GENL_UNS_ADMIN_PERM,
4c476991
JB		 13660 .internal_flags = NL80211_FLAG_NEED_NETDEV |
13661 NL80211_FLAG_NEED_RTNL,
55682965
JB		 13662 },
13663 {
13664 .cmd = NL80211_CMD_NEW_INTERFACE,
ef6243ac 13665 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
55682965 13666 .doit = nl80211_new_interface,
5617c6cd 13667 .flags = GENL_UNS_ADMIN_PERM,
4c476991
JB		 13668 .internal_flags = NL80211_FLAG_NEED_WIPHY |
13669 NL80211_FLAG_NEED_RTNL,
55682965
JB		 13670 },
13671 {
13672 .cmd = NL80211_CMD_DEL_INTERFACE,
ef6243ac 13673 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
55682965 13674 .doit = nl80211_del_interface,
5617c6cd 13675 .flags = GENL_UNS_ADMIN_PERM,
84efbb84 13676 .internal_flags = NL80211_FLAG_NEED_WDEV |
4c476991 13677 NL80211_FLAG_NEED_RTNL,
41ade00f
JB		 13678 },
13679 {
13680 .cmd = NL80211_CMD_GET_KEY,
ef6243ac 13681 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
41ade00f 13682 .doit = nl80211_get_key,
5617c6cd 13683 .flags = GENL_UNS_ADMIN_PERM,
2b5f8b0b 13684 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 13685 NL80211_FLAG_NEED_RTNL,
41ade00f
JB		 13686 },
13687 {
13688 .cmd = NL80211_CMD_SET_KEY,
ef6243ac 13689 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
41ade00f 13690 .doit = nl80211_set_key,
5617c6cd 13691 .flags = GENL_UNS_ADMIN_PERM,
41265714 13692 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
5393b917
JB		 13693 NL80211_FLAG_NEED_RTNL |
13694 NL80211_FLAG_CLEAR_SKB,
41ade00f
JB		 13695 },
13696 {
13697 .cmd = NL80211_CMD_NEW_KEY,
ef6243ac 13698 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
41ade00f 13699 .doit = nl80211_new_key,
5617c6cd 13700 .flags = GENL_UNS_ADMIN_PERM,
41265714 13701 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
5393b917
JB		 13702 NL80211_FLAG_NEED_RTNL |
13703 NL80211_FLAG_CLEAR_SKB,
41ade00f
JB		 13704 },
13705 {
13706 .cmd = NL80211_CMD_DEL_KEY,
ef6243ac 13707 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
41ade00f 13708 .doit = nl80211_del_key,
5617c6cd 13709 .flags = GENL_UNS_ADMIN_PERM,
41265714 13710 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 13711 NL80211_FLAG_NEED_RTNL,
55682965 13712 },
ed1b6cc7
JB		 13713 {
13714 .cmd = NL80211_CMD_SET_BEACON,
ef6243ac 13715 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5617c6cd 13716 .flags = GENL_UNS_ADMIN_PERM,
8860020e 13717 .doit = nl80211_set_beacon,
2b5f8b0b 13718 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 13719 NL80211_FLAG_NEED_RTNL,
ed1b6cc7
JB		 13720 },
13721 {
8860020e 13722 .cmd = NL80211_CMD_START_AP,
ef6243ac 13723 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5617c6cd 13724 .flags = GENL_UNS_ADMIN_PERM,
8860020e 13725 .doit = nl80211_start_ap,
2b5f8b0b 13726 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 13727 NL80211_FLAG_NEED_RTNL,
ed1b6cc7
JB		 13728 },
13729 {
8860020e 13730 .cmd = NL80211_CMD_STOP_AP,
ef6243ac 13731 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5617c6cd 13732 .flags = GENL_UNS_ADMIN_PERM,
8860020e 13733 .doit = nl80211_stop_ap,
2b5f8b0b 13734 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 13735 NL80211_FLAG_NEED_RTNL,
ed1b6cc7 13736 },
5727ef1b
JB		 13737 {
13738 .cmd = NL80211_CMD_GET_STATION,
ef6243ac 13739 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5727ef1b 13740 .doit = nl80211_get_station,
2ec600d6 13741 .dumpit = nl80211_dump_station,
4c476991
JB		 13742 .internal_flags = NL80211_FLAG_NEED_NETDEV |
13743 NL80211_FLAG_NEED_RTNL,
5727ef1b
JB		 13744 },
13745 {
13746 .cmd = NL80211_CMD_SET_STATION,
ef6243ac 13747 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5727ef1b 13748 .doit = nl80211_set_station,
5617c6cd 13749 .flags = GENL_UNS_ADMIN_PERM,
2b5f8b0b 13750 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 13751 NL80211_FLAG_NEED_RTNL,
5727ef1b
JB		 13752 },
13753 {
13754 .cmd = NL80211_CMD_NEW_STATION,
ef6243ac 13755 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5727ef1b 13756 .doit = nl80211_new_station,
5617c6cd 13757 .flags = GENL_UNS_ADMIN_PERM,
41265714 13758 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 13759 NL80211_FLAG_NEED_RTNL,
5727ef1b
JB		 13760 },
13761 {
13762 .cmd = NL80211_CMD_DEL_STATION,
ef6243ac 13763 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5727ef1b 13764 .doit = nl80211_del_station,
5617c6cd 13765 .flags = GENL_UNS_ADMIN_PERM,
2b5f8b0b 13766 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 13767 NL80211_FLAG_NEED_RTNL,
2ec600d6
LCC		 13768 },
13769 {
13770 .cmd = NL80211_CMD_GET_MPATH,
ef6243ac 13771 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2ec600d6
LCC		 13772 .doit = nl80211_get_mpath,
13773 .dumpit = nl80211_dump_mpath,
5617c6cd 13774 .flags = GENL_UNS_ADMIN_PERM,
41265714 13775 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 13776 NL80211_FLAG_NEED_RTNL,
2ec600d6 13777 },
66be7d2b
HR		 13778 {
13779 .cmd = NL80211_CMD_GET_MPP,
ef6243ac 13780 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
66be7d2b
HR		 13781 .doit = nl80211_get_mpp,
13782 .dumpit = nl80211_dump_mpp,
5617c6cd 13783 .flags = GENL_UNS_ADMIN_PERM,
66be7d2b
HR		 13784 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13785 NL80211_FLAG_NEED_RTNL,
13786 },
2ec600d6
LCC		 13787 {
13788 .cmd = NL80211_CMD_SET_MPATH,
ef6243ac 13789 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2ec600d6 13790 .doit = nl80211_set_mpath,
5617c6cd 13791 .flags = GENL_UNS_ADMIN_PERM,
41265714 13792 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 13793 NL80211_FLAG_NEED_RTNL,
2ec600d6
LCC		 13794 },
13795 {
13796 .cmd = NL80211_CMD_NEW_MPATH,
ef6243ac 13797 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2ec600d6 13798 .doit = nl80211_new_mpath,
5617c6cd 13799 .flags = GENL_UNS_ADMIN_PERM,
41265714 13800 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 13801 NL80211_FLAG_NEED_RTNL,
2ec600d6
LCC		 13802 },
13803 {
13804 .cmd = NL80211_CMD_DEL_MPATH,
ef6243ac 13805 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2ec600d6 13806 .doit = nl80211_del_mpath,
5617c6cd 13807 .flags = GENL_UNS_ADMIN_PERM,
2b5f8b0b 13808 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 13809 NL80211_FLAG_NEED_RTNL,
9f1ba906
JM		 13810 },
13811 {
13812 .cmd = NL80211_CMD_SET_BSS,
ef6243ac 13813 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
9f1ba906 13814 .doit = nl80211_set_bss,
5617c6cd 13815 .flags = GENL_UNS_ADMIN_PERM,
2b5f8b0b 13816 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 13817 NL80211_FLAG_NEED_RTNL,
b2e1b302 13818 },
f130347c
LR		 13819 {
13820 .cmd = NL80211_CMD_GET_REG,
ef6243ac 13821 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
ad30ca2c
AN		 13822 .doit = nl80211_get_reg_do,
13823 .dumpit = nl80211_get_reg_dump,
5fe231e8 13824 .internal_flags = NL80211_FLAG_NEED_RTNL,
f130347c
LR		 13825 /* can be retrieved by unprivileged users */
13826 },
b6863036 13827#ifdef CONFIG_CFG80211_CRDA_SUPPORT
b2e1b302
LR		 13828 {
13829 .cmd = NL80211_CMD_SET_REG,
ef6243ac 13830 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
b2e1b302 13831 .doit = nl80211_set_reg,
b2e1b302 13832 .flags = GENL_ADMIN_PERM,
5fe231e8 13833 .internal_flags = NL80211_FLAG_NEED_RTNL,
b2e1b302 13834 },
b6863036 13835#endif
b2e1b302
LR		 13836 {
13837 .cmd = NL80211_CMD_REQ_SET_REG,
ef6243ac 13838 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
b2e1b302 13839 .doit = nl80211_req_set_reg,
93da9cc1 13840 .flags = GENL_ADMIN_PERM,
13841 },
1ea4ff3e
JB		 13842 {
13843 .cmd = NL80211_CMD_RELOAD_REGDB,
ef6243ac 13844 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1ea4ff3e 13845 .doit = nl80211_reload_regdb,
1ea4ff3e
JB		 13846 .flags = GENL_ADMIN_PERM,
13847 },
93da9cc1 13848 {
24bdd9f4 13849 .cmd = NL80211_CMD_GET_MESH_CONFIG,
ef6243ac 13850 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
24bdd9f4 13851 .doit = nl80211_get_mesh_config,
93da9cc1 13852 /* can be retrieved by unprivileged users */
2b5f8b0b 13853 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 13854 NL80211_FLAG_NEED_RTNL,
93da9cc1 13855 },
13856 {
24bdd9f4 13857 .cmd = NL80211_CMD_SET_MESH_CONFIG,
ef6243ac 13858 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
24bdd9f4 13859 .doit = nl80211_update_mesh_config,
5617c6cd 13860 .flags = GENL_UNS_ADMIN_PERM,
29cbe68c 13861 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 13862 NL80211_FLAG_NEED_RTNL,
9aed3cc1 13863 },
2a519311
JB		 13864 {
13865 .cmd = NL80211_CMD_TRIGGER_SCAN,
ef6243ac 13866 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2a519311 13867 .doit = nl80211_trigger_scan,
5617c6cd 13868 .flags = GENL_UNS_ADMIN_PERM,
fd014284 13869 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
4c476991 13870 NL80211_FLAG_NEED_RTNL,
2a519311 13871 },
91d3ab46
VK		 13872 {
13873 .cmd = NL80211_CMD_ABORT_SCAN,
ef6243ac 13874 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
91d3ab46 13875 .doit = nl80211_abort_scan,
5617c6cd 13876 .flags = GENL_UNS_ADMIN_PERM,
91d3ab46
VK		 13877 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
13878 NL80211_FLAG_NEED_RTNL,
13879 },
2a519311
JB		 13880 {
13881 .cmd = NL80211_CMD_GET_SCAN,
ef6243ac 13882 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2a519311
JB		 13883 .dumpit = nl80211_dump_scan,
13884 },
807f8a8c
LC		 13885 {
13886 .cmd = NL80211_CMD_START_SCHED_SCAN,
ef6243ac 13887 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
807f8a8c 13888 .doit = nl80211_start_sched_scan,
5617c6cd 13889 .flags = GENL_UNS_ADMIN_PERM,
807f8a8c
LC		 13890 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13891 NL80211_FLAG_NEED_RTNL,
13892 },
13893 {
13894 .cmd = NL80211_CMD_STOP_SCHED_SCAN,
ef6243ac 13895 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
807f8a8c 13896 .doit = nl80211_stop_sched_scan,
5617c6cd 13897 .flags = GENL_UNS_ADMIN_PERM,
807f8a8c
LC		 13898 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13899 NL80211_FLAG_NEED_RTNL,
13900 },
636a5d36
JM		 13901 {
13902 .cmd = NL80211_CMD_AUTHENTICATE,
ef6243ac 13903 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
636a5d36 13904 .doit = nl80211_authenticate,
5617c6cd 13905 .flags = GENL_UNS_ADMIN_PERM,
41265714 13906 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
5393b917
JB		 13907 NL80211_FLAG_NEED_RTNL |
13908 NL80211_FLAG_CLEAR_SKB,
636a5d36
JM		 13909 },
13910 {
13911 .cmd = NL80211_CMD_ASSOCIATE,
ef6243ac 13912 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
636a5d36 13913 .doit = nl80211_associate,
5617c6cd 13914 .flags = GENL_UNS_ADMIN_PERM,
41265714 13915 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
d6db02a8
SD		 13916 NL80211_FLAG_NEED_RTNL |
13917 NL80211_FLAG_CLEAR_SKB,
636a5d36
JM		 13918 },
13919 {
13920 .cmd = NL80211_CMD_DEAUTHENTICATE,
ef6243ac 13921 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
636a5d36 13922 .doit = nl80211_deauthenticate,
5617c6cd 13923 .flags = GENL_UNS_ADMIN_PERM,
41265714 13924 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 13925 NL80211_FLAG_NEED_RTNL,
636a5d36
JM		 13926 },
13927 {
13928 .cmd = NL80211_CMD_DISASSOCIATE,
ef6243ac 13929 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
636a5d36 13930 .doit = nl80211_disassociate,
5617c6cd 13931 .flags = GENL_UNS_ADMIN_PERM,
41265714 13932 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 13933 NL80211_FLAG_NEED_RTNL,
636a5d36 13934 },
04a773ad
JB		 13935 {
13936 .cmd = NL80211_CMD_JOIN_IBSS,
ef6243ac 13937 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
04a773ad 13938 .doit = nl80211_join_ibss,
5617c6cd 13939 .flags = GENL_UNS_ADMIN_PERM,
41265714 13940 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 13941 NL80211_FLAG_NEED_RTNL,
04a773ad
JB		 13942 },
13943 {
13944 .cmd = NL80211_CMD_LEAVE_IBSS,
ef6243ac 13945 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
04a773ad 13946 .doit = nl80211_leave_ibss,
5617c6cd 13947 .flags = GENL_UNS_ADMIN_PERM,
41265714 13948 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 13949 NL80211_FLAG_NEED_RTNL,
04a773ad 13950 },
aff89a9b
JB		 13951#ifdef CONFIG_NL80211_TESTMODE
13952 {
13953 .cmd = NL80211_CMD_TESTMODE,
ef6243ac 13954 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
aff89a9b 13955 .doit = nl80211_testmode_do,
71063f0e 13956 .dumpit = nl80211_testmode_dump,
5617c6cd 13957 .flags = GENL_UNS_ADMIN_PERM,
4c476991
JB		 13958 .internal_flags = NL80211_FLAG_NEED_WIPHY |
13959 NL80211_FLAG_NEED_RTNL,
aff89a9b
JB		 13960 },
13961#endif
b23aa676
SO		 13962 {
13963 .cmd = NL80211_CMD_CONNECT,
ef6243ac 13964 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
b23aa676 13965 .doit = nl80211_connect,
5617c6cd 13966 .flags = GENL_UNS_ADMIN_PERM,
41265714 13967 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
d6db02a8
SD		 13968 NL80211_FLAG_NEED_RTNL |
13969 NL80211_FLAG_CLEAR_SKB,
b23aa676 13970 },
088e8df8 13971 {
13972 .cmd = NL80211_CMD_UPDATE_CONNECT_PARAMS,
ef6243ac 13973 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
088e8df8 13974 .doit = nl80211_update_connect_params,
088e8df8 13975 .flags = GENL_ADMIN_PERM,
13976 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
d6db02a8
SD		 13977 NL80211_FLAG_NEED_RTNL |
13978 NL80211_FLAG_CLEAR_SKB,
088e8df8 13979 },
b23aa676
SO		 13980 {
13981 .cmd = NL80211_CMD_DISCONNECT,
ef6243ac 13982 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
b23aa676 13983 .doit = nl80211_disconnect,
5617c6cd 13984 .flags = GENL_UNS_ADMIN_PERM,
41265714 13985 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 13986 NL80211_FLAG_NEED_RTNL,
b23aa676 13987 },
463d0183
JB		 13988 {
13989 .cmd = NL80211_CMD_SET_WIPHY_NETNS,
ef6243ac 13990 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
463d0183 13991 .doit = nl80211_wiphy_netns,
5617c6cd 13992 .flags = GENL_UNS_ADMIN_PERM,
4c476991
JB		 13993 .internal_flags = NL80211_FLAG_NEED_WIPHY |
13994 NL80211_FLAG_NEED_RTNL,
463d0183 13995 },
61fa713c
HS		 13996 {
13997 .cmd = NL80211_CMD_GET_SURVEY,
ef6243ac 13998 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
61fa713c
HS		 13999 .dumpit = nl80211_dump_survey,
14000 },
67fbb16b
SO		 14001 {
14002 .cmd = NL80211_CMD_SET_PMKSA,
ef6243ac 14003 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
67fbb16b 14004 .doit = nl80211_setdel_pmksa,
5617c6cd 14005 .flags = GENL_UNS_ADMIN_PERM,
2b5f8b0b 14006 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
d6db02a8
SD		 14007 NL80211_FLAG_NEED_RTNL |
14008 NL80211_FLAG_CLEAR_SKB,
67fbb16b
SO		 14009 },
14010 {
14011 .cmd = NL80211_CMD_DEL_PMKSA,
ef6243ac 14012 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
67fbb16b 14013 .doit = nl80211_setdel_pmksa,
5617c6cd 14014 .flags = GENL_UNS_ADMIN_PERM,
2b5f8b0b 14015 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 14016 NL80211_FLAG_NEED_RTNL,
67fbb16b
SO		 14017 },
14018 {
14019 .cmd = NL80211_CMD_FLUSH_PMKSA,
ef6243ac 14020 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
67fbb16b 14021 .doit = nl80211_flush_pmksa,
5617c6cd 14022 .flags = GENL_UNS_ADMIN_PERM,
2b5f8b0b 14023 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 14024 NL80211_FLAG_NEED_RTNL,
67fbb16b 14025 },
9588bbd5
JM		 14026 {
14027 .cmd = NL80211_CMD_REMAIN_ON_CHANNEL,
ef6243ac 14028 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
9588bbd5 14029 .doit = nl80211_remain_on_channel,
5617c6cd 14030 .flags = GENL_UNS_ADMIN_PERM,
71bbc994 14031 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
4c476991 14032 NL80211_FLAG_NEED_RTNL,
9588bbd5
JM		 14033 },
14034 {
14035 .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
ef6243ac 14036 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
9588bbd5 14037 .doit = nl80211_cancel_remain_on_channel,
5617c6cd 14038 .flags = GENL_UNS_ADMIN_PERM,
71bbc994 14039 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
4c476991 14040 NL80211_FLAG_NEED_RTNL,
9588bbd5 14041 },
13ae75b1
JM		 14042 {
14043 .cmd = NL80211_CMD_SET_TX_BITRATE_MASK,
ef6243ac 14044 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13ae75b1 14045 .doit = nl80211_set_tx_bitrate_mask,
5617c6cd 14046 .flags = GENL_UNS_ADMIN_PERM,
4c476991
JB		 14047 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14048 NL80211_FLAG_NEED_RTNL,
13ae75b1 14049 },
026331c4 14050 {
2e161f78 14051 .cmd = NL80211_CMD_REGISTER_FRAME,
ef6243ac 14052 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2e161f78 14053 .doit = nl80211_register_mgmt,
5617c6cd 14054 .flags = GENL_UNS_ADMIN_PERM,
71bbc994 14055 .internal_flags = NL80211_FLAG_NEED_WDEV |
4c476991 14056 NL80211_FLAG_NEED_RTNL,
026331c4
JM		 14057 },
14058 {
2e161f78 14059 .cmd = NL80211_CMD_FRAME,
ef6243ac 14060 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2e161f78 14061 .doit = nl80211_tx_mgmt,
5617c6cd 14062 .flags = GENL_UNS_ADMIN_PERM,
71bbc994 14063 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
f7ca38df
JB		 14064 NL80211_FLAG_NEED_RTNL,
14065 },
14066 {
14067 .cmd = NL80211_CMD_FRAME_WAIT_CANCEL,
ef6243ac 14068 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
f7ca38df 14069 .doit = nl80211_tx_mgmt_cancel_wait,
5617c6cd 14070 .flags = GENL_UNS_ADMIN_PERM,
71bbc994 14071 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
4c476991 14072 NL80211_FLAG_NEED_RTNL,
026331c4 14073 },
ffb9eb3d
KV		 14074 {
14075 .cmd = NL80211_CMD_SET_POWER_SAVE,
ef6243ac 14076 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
ffb9eb3d 14077 .doit = nl80211_set_power_save,
5617c6cd 14078 .flags = GENL_UNS_ADMIN_PERM,
4c476991
JB		 14079 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14080 NL80211_FLAG_NEED_RTNL,
ffb9eb3d
KV		 14081 },
14082 {
14083 .cmd = NL80211_CMD_GET_POWER_SAVE,
ef6243ac 14084 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
ffb9eb3d 14085 .doit = nl80211_get_power_save,
ffb9eb3d 14086 /* can be retrieved by unprivileged users */
4c476991
JB		 14087 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14088 NL80211_FLAG_NEED_RTNL,
ffb9eb3d 14089 },
d6dc1a38
JO		 14090 {
14091 .cmd = NL80211_CMD_SET_CQM,
ef6243ac 14092 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
d6dc1a38 14093 .doit = nl80211_set_cqm,
5617c6cd 14094 .flags = GENL_UNS_ADMIN_PERM,
4c476991
JB		 14095 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14096 NL80211_FLAG_NEED_RTNL,
d6dc1a38 14097 },
f444de05
JB		 14098 {
14099 .cmd = NL80211_CMD_SET_CHANNEL,
ef6243ac 14100 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
f444de05 14101 .doit = nl80211_set_channel,
5617c6cd 14102 .flags = GENL_UNS_ADMIN_PERM,
4c476991
JB		 14103 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14104 NL80211_FLAG_NEED_RTNL,
f444de05 14105 },
e8347eba
BJ		 14106 {
14107 .cmd = NL80211_CMD_SET_WDS_PEER,
ef6243ac 14108 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
e8347eba 14109 .doit = nl80211_set_wds_peer,
5617c6cd 14110 .flags = GENL_UNS_ADMIN_PERM,
43b19952
JB		 14111 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14112 NL80211_FLAG_NEED_RTNL,
e8347eba 14113 },
29cbe68c
JB		 14114 {
14115 .cmd = NL80211_CMD_JOIN_MESH,
ef6243ac 14116 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
29cbe68c 14117 .doit = nl80211_join_mesh,
5617c6cd 14118 .flags = GENL_UNS_ADMIN_PERM,
29cbe68c
JB		 14119 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14120 NL80211_FLAG_NEED_RTNL,
14121 },
14122 {
14123 .cmd = NL80211_CMD_LEAVE_MESH,
ef6243ac 14124 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
29cbe68c 14125 .doit = nl80211_leave_mesh,
5617c6cd 14126 .flags = GENL_UNS_ADMIN_PERM,
29cbe68c
JB		 14127 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14128 NL80211_FLAG_NEED_RTNL,
14129 },
6e0bd6c3
RL		 14130 {
14131 .cmd = NL80211_CMD_JOIN_OCB,
ef6243ac 14132 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
6e0bd6c3 14133 .doit = nl80211_join_ocb,
5617c6cd 14134 .flags = GENL_UNS_ADMIN_PERM,
6e0bd6c3
RL		 14135 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14136 NL80211_FLAG_NEED_RTNL,
14137 },
14138 {
14139 .cmd = NL80211_CMD_LEAVE_OCB,
ef6243ac 14140 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
6e0bd6c3 14141 .doit = nl80211_leave_ocb,
5617c6cd 14142 .flags = GENL_UNS_ADMIN_PERM,
6e0bd6c3
RL		 14143 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14144 NL80211_FLAG_NEED_RTNL,
14145 },
dfb89c56 14146#ifdef CONFIG_PM
ff1b6e69
JB		 14147 {
14148 .cmd = NL80211_CMD_GET_WOWLAN,
ef6243ac 14149 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
ff1b6e69 14150 .doit = nl80211_get_wowlan,
ff1b6e69
JB		 14151 /* can be retrieved by unprivileged users */
14152 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14153 NL80211_FLAG_NEED_RTNL,
14154 },
14155 {
14156 .cmd = NL80211_CMD_SET_WOWLAN,
ef6243ac 14157 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
ff1b6e69 14158 .doit = nl80211_set_wowlan,
5617c6cd 14159 .flags = GENL_UNS_ADMIN_PERM,
ff1b6e69
JB		 14160 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14161 NL80211_FLAG_NEED_RTNL,
14162 },
dfb89c56 14163#endif
e5497d76
JB		 14164 {
14165 .cmd = NL80211_CMD_SET_REKEY_OFFLOAD,
ef6243ac 14166 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
e5497d76 14167 .doit = nl80211_set_rekey_data,
5617c6cd 14168 .flags = GENL_UNS_ADMIN_PERM,
e5497d76 14169 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
5393b917
JB		 14170 NL80211_FLAG_NEED_RTNL |
14171 NL80211_FLAG_CLEAR_SKB,
e5497d76 14172 },
109086ce
AN		 14173 {
14174 .cmd = NL80211_CMD_TDLS_MGMT,
ef6243ac 14175 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
109086ce 14176 .doit = nl80211_tdls_mgmt,
5617c6cd 14177 .flags = GENL_UNS_ADMIN_PERM,
109086ce
AN		 14178 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14179 NL80211_FLAG_NEED_RTNL,
14180 },
14181 {
14182 .cmd = NL80211_CMD_TDLS_OPER,
ef6243ac 14183 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
109086ce 14184 .doit = nl80211_tdls_oper,
5617c6cd 14185 .flags = GENL_UNS_ADMIN_PERM,
109086ce
AN		 14186 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14187 NL80211_FLAG_NEED_RTNL,
14188 },
28946da7
JB		 14189 {
14190 .cmd = NL80211_CMD_UNEXPECTED_FRAME,
ef6243ac 14191 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
28946da7 14192 .doit = nl80211_register_unexpected_frame,
5617c6cd 14193 .flags = GENL_UNS_ADMIN_PERM,
28946da7
JB		 14194 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14195 NL80211_FLAG_NEED_RTNL,
14196 },
7f6cf311
JB		 14197 {
14198 .cmd = NL80211_CMD_PROBE_CLIENT,
ef6243ac 14199 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
7f6cf311 14200 .doit = nl80211_probe_client,
5617c6cd 14201 .flags = GENL_UNS_ADMIN_PERM,
2b5f8b0b 14202 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
7f6cf311
JB		 14203 NL80211_FLAG_NEED_RTNL,
14204 },
5e760230
JB		 14205 {
14206 .cmd = NL80211_CMD_REGISTER_BEACONS,
ef6243ac 14207 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5e760230 14208 .doit = nl80211_register_beacons,
5617c6cd 14209 .flags = GENL_UNS_ADMIN_PERM,
5e760230
JB		 14210 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14211 NL80211_FLAG_NEED_RTNL,
14212 },
1d9d9213
SW		 14213 {
14214 .cmd = NL80211_CMD_SET_NOACK_MAP,
ef6243ac 14215 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1d9d9213 14216 .doit = nl80211_set_noack_map,
5617c6cd 14217 .flags = GENL_UNS_ADMIN_PERM,
1d9d9213
SW		 14218 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14219 NL80211_FLAG_NEED_RTNL,
14220 },
98104fde
JB		 14221 {
14222 .cmd = NL80211_CMD_START_P2P_DEVICE,
ef6243ac 14223 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
98104fde 14224 .doit = nl80211_start_p2p_device,
5617c6cd 14225 .flags = GENL_UNS_ADMIN_PERM,
98104fde
JB		 14226 .internal_flags = NL80211_FLAG_NEED_WDEV |
14227 NL80211_FLAG_NEED_RTNL,
14228 },
14229 {
14230 .cmd = NL80211_CMD_STOP_P2P_DEVICE,
ef6243ac 14231 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
98104fde 14232 .doit = nl80211_stop_p2p_device,
5617c6cd 14233 .flags = GENL_UNS_ADMIN_PERM,
98104fde
JB		 14234 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14235 NL80211_FLAG_NEED_RTNL,
cb3b7d87
AB		 14236 },
14237 {
14238 .cmd = NL80211_CMD_START_NAN,
ef6243ac 14239 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
cb3b7d87 14240 .doit = nl80211_start_nan,
cb3b7d87
AB		 14241 .flags = GENL_ADMIN_PERM,
14242 .internal_flags = NL80211_FLAG_NEED_WDEV |
14243 NL80211_FLAG_NEED_RTNL,
14244 },
14245 {
14246 .cmd = NL80211_CMD_STOP_NAN,
ef6243ac 14247 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
cb3b7d87 14248 .doit = nl80211_stop_nan,
cb3b7d87
AB		 14249 .flags = GENL_ADMIN_PERM,
14250 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14251 NL80211_FLAG_NEED_RTNL,
a442b761
AB		 14252 },
14253 {
14254 .cmd = NL80211_CMD_ADD_NAN_FUNCTION,
ef6243ac 14255 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
a442b761 14256 .doit = nl80211_nan_add_func,
a442b761
AB		 14257 .flags = GENL_ADMIN_PERM,
14258 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14259 NL80211_FLAG_NEED_RTNL,
14260 },
14261 {
14262 .cmd = NL80211_CMD_DEL_NAN_FUNCTION,
ef6243ac 14263 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
a442b761 14264 .doit = nl80211_nan_del_func,
a442b761
AB		 14265 .flags = GENL_ADMIN_PERM,
14266 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14267 NL80211_FLAG_NEED_RTNL,
a5a9dcf2
AB		 14268 },
14269 {
14270 .cmd = NL80211_CMD_CHANGE_NAN_CONFIG,
ef6243ac 14271 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
a5a9dcf2 14272 .doit = nl80211_nan_change_config,
a5a9dcf2
AB		 14273 .flags = GENL_ADMIN_PERM,
14274 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14275 NL80211_FLAG_NEED_RTNL,
98104fde 14276 },
f4e583c8
AQ		 14277 {
14278 .cmd = NL80211_CMD_SET_MCAST_RATE,
ef6243ac 14279 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
f4e583c8 14280 .doit = nl80211_set_mcast_rate,
5617c6cd 14281 .flags = GENL_UNS_ADMIN_PERM,
77765eaf
VT		 14282 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14283 NL80211_FLAG_NEED_RTNL,
14284 },
14285 {
14286 .cmd = NL80211_CMD_SET_MAC_ACL,
ef6243ac 14287 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
77765eaf 14288 .doit = nl80211_set_mac_acl,
5617c6cd 14289 .flags = GENL_UNS_ADMIN_PERM,
f4e583c8
AQ		 14290 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14291 NL80211_FLAG_NEED_RTNL,
14292 },
04f39047
SW		 14293 {
14294 .cmd = NL80211_CMD_RADAR_DETECT,
ef6243ac 14295 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
04f39047 14296 .doit = nl80211_start_radar_detection,
5617c6cd 14297 .flags = GENL_UNS_ADMIN_PERM,
04f39047
SW		 14298 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14299 NL80211_FLAG_NEED_RTNL,
14300 },
3713b4e3
JB		 14301 {
14302 .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES,
ef6243ac 14303 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
3713b4e3 14304 .doit = nl80211_get_protocol_features,
3713b4e3 14305 },
355199e0
JM		 14306 {
14307 .cmd = NL80211_CMD_UPDATE_FT_IES,
ef6243ac 14308 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
355199e0 14309 .doit = nl80211_update_ft_ies,
5617c6cd 14310 .flags = GENL_UNS_ADMIN_PERM,
355199e0
JM		 14311 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14312 NL80211_FLAG_NEED_RTNL,
14313 },
5de17984
AS		 14314 {
14315 .cmd = NL80211_CMD_CRIT_PROTOCOL_START,
ef6243ac 14316 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5de17984 14317 .doit = nl80211_crit_protocol_start,
5617c6cd 14318 .flags = GENL_UNS_ADMIN_PERM,
5de17984
AS		 14319 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14320 NL80211_FLAG_NEED_RTNL,
14321 },
14322 {
14323 .cmd = NL80211_CMD_CRIT_PROTOCOL_STOP,
ef6243ac 14324 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5de17984 14325 .doit = nl80211_crit_protocol_stop,
5617c6cd 14326 .flags = GENL_UNS_ADMIN_PERM,
5de17984
AS		 14327 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14328 NL80211_FLAG_NEED_RTNL,
be29b99a
AK		 14329 },
14330 {
14331 .cmd = NL80211_CMD_GET_COALESCE,
ef6243ac 14332 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
be29b99a 14333 .doit = nl80211_get_coalesce,
be29b99a
AK		 14334 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14335 NL80211_FLAG_NEED_RTNL,
14336 },
14337 {
14338 .cmd = NL80211_CMD_SET_COALESCE,
ef6243ac 14339 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
be29b99a 14340 .doit = nl80211_set_coalesce,
5617c6cd 14341 .flags = GENL_UNS_ADMIN_PERM,
be29b99a
AK		 14342 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14343 NL80211_FLAG_NEED_RTNL,
16ef1fe2
SW		 14344 },
14345 {
14346 .cmd = NL80211_CMD_CHANNEL_SWITCH,
ef6243ac 14347 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16ef1fe2 14348 .doit = nl80211_channel_switch,
5617c6cd 14349 .flags = GENL_UNS_ADMIN_PERM,
16ef1fe2
SW		 14350 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14351 NL80211_FLAG_NEED_RTNL,
14352 },
ad7e718c
JB		 14353 {
14354 .cmd = NL80211_CMD_VENDOR,
ef6243ac 14355 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
ad7e718c 14356 .doit = nl80211_vendor_cmd,
7bdbe400 14357 .dumpit = nl80211_vendor_cmd_dump,
5617c6cd 14358 .flags = GENL_UNS_ADMIN_PERM,
ad7e718c 14359 .internal_flags = NL80211_FLAG_NEED_WIPHY |
d6db02a8
SD		 14360 NL80211_FLAG_NEED_RTNL |
14361 NL80211_FLAG_CLEAR_SKB,
ad7e718c 14362 },
fa9ffc74
KP		 14363 {
14364 .cmd = NL80211_CMD_SET_QOS_MAP,
ef6243ac 14365 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
fa9ffc74 14366 .doit = nl80211_set_qos_map,
5617c6cd 14367 .flags = GENL_UNS_ADMIN_PERM,
fa9ffc74
KP		 14368 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14369 NL80211_FLAG_NEED_RTNL,
14370 },
960d01ac
JB		 14371 {
14372 .cmd = NL80211_CMD_ADD_TX_TS,
ef6243ac 14373 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
960d01ac 14374 .doit = nl80211_add_tx_ts,
5617c6cd 14375 .flags = GENL_UNS_ADMIN_PERM,
960d01ac
JB		 14376 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14377 NL80211_FLAG_NEED_RTNL,
14378 },
14379 {
14380 .cmd = NL80211_CMD_DEL_TX_TS,
ef6243ac 14381 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
960d01ac 14382 .doit = nl80211_del_tx_ts,
5617c6cd 14383 .flags = GENL_UNS_ADMIN_PERM,
960d01ac
JB		 14384 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14385 NL80211_FLAG_NEED_RTNL,
14386 },
1057d35e
AN		 14387 {
14388 .cmd = NL80211_CMD_TDLS_CHANNEL_SWITCH,
ef6243ac 14389 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1057d35e 14390 .doit = nl80211_tdls_channel_switch,
5617c6cd 14391 .flags = GENL_UNS_ADMIN_PERM,
1057d35e
AN		 14392 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14393 NL80211_FLAG_NEED_RTNL,
14394 },
14395 {
14396 .cmd = NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH,
ef6243ac 14397 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1057d35e 14398 .doit = nl80211_tdls_cancel_channel_switch,
5617c6cd 14399 .flags = GENL_UNS_ADMIN_PERM,
1057d35e
AN		 14400 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14401 NL80211_FLAG_NEED_RTNL,
14402 },
ce0ce13a
MB		 14403 {
14404 .cmd = NL80211_CMD_SET_MULTICAST_TO_UNICAST,
ef6243ac 14405 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
ce0ce13a 14406 .doit = nl80211_set_multicast_to_unicast,
ce0ce13a
MB		 14407 .flags = GENL_UNS_ADMIN_PERM,
14408 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14409 NL80211_FLAG_NEED_RTNL,
14410 },
3a00df57
AS		 14411 {
14412 .cmd = NL80211_CMD_SET_PMK,
ef6243ac 14413 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
3a00df57 14414 .doit = nl80211_set_pmk,
3a00df57 14415 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
d6db02a8
SD		 14416 NL80211_FLAG_NEED_RTNL |
14417 NL80211_FLAG_CLEAR_SKB,
3a00df57
AS		 14418 },
14419 {
14420 .cmd = NL80211_CMD_DEL_PMK,
ef6243ac 14421 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
3a00df57 14422 .doit = nl80211_del_pmk,
3a00df57
AS		 14423 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14424 NL80211_FLAG_NEED_RTNL,
14425 },
40cbfa90
SD		 14426 {
14427 .cmd = NL80211_CMD_EXTERNAL_AUTH,
ef6243ac 14428 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
40cbfa90 14429 .doit = nl80211_external_auth,
40cbfa90
SD		 14430 .flags = GENL_ADMIN_PERM,
14431 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14432 NL80211_FLAG_NEED_RTNL,
14433 },
2576a9ac
DK		 14434 {
14435 .cmd = NL80211_CMD_CONTROL_PORT_FRAME,
ef6243ac 14436 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2576a9ac 14437 .doit = nl80211_tx_control_port,
2576a9ac
DK		 14438 .flags = GENL_UNS_ADMIN_PERM,
14439 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14440 NL80211_FLAG_NEED_RTNL,
14441 },
81e54d08
PKC		 14442 {
14443 .cmd = NL80211_CMD_GET_FTM_RESPONDER_STATS,
ef6243ac 14444 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
81e54d08 14445 .doit = nl80211_get_ftm_responder_stats,
81e54d08
PKC		 14446 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14447 NL80211_FLAG_NEED_RTNL,
14448 },
9bb7e0f2
JB		 14449 {
14450 .cmd = NL80211_CMD_PEER_MEASUREMENT_START,
ef6243ac 14451 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
9bb7e0f2 14452 .doit = nl80211_pmsr_start,
9bb7e0f2
JB		 14453 .flags = GENL_UNS_ADMIN_PERM,
14454 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14455 NL80211_FLAG_NEED_RTNL,
14456 },
30c63115
S		 14457 {
14458 .cmd = NL80211_CMD_NOTIFY_RADAR,
ef6243ac 14459 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
30c63115 14460 .doit = nl80211_notify_radar_detection,
30c63115
S		 14461 .flags = GENL_UNS_ADMIN_PERM,
14462 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14463 NL80211_FLAG_NEED_RTNL,
14464 },
cb74e977
SD		 14465 {
14466 .cmd = NL80211_CMD_UPDATE_OWE_INFO,
14467 .doit = nl80211_update_owe_info,
14468 .flags = GENL_ADMIN_PERM,
5ab92e7f
RM		 14469 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14470 NL80211_FLAG_NEED_RTNL,
14471 },
14472 {
14473 .cmd = NL80211_CMD_PROBE_MESH_LINK,
14474 .doit = nl80211_probe_mesh_link,
14475 .flags = GENL_UNS_ADMIN_PERM,
cb74e977
SD		 14476 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14477 NL80211_FLAG_NEED_RTNL,
14478 },
55682965 14479};
9588bbd5 14480
56989f6d 14481static struct genl_family nl80211_fam __ro_after_init = {
489111e5
JB		 14482 .name = NL80211_GENL_NAME, /* have users key off the name instead */
14483 .hdrsize = 0, /* no private header */
14484 .version = 1, /* no particular meaning now */
14485 .maxattr = NL80211_ATTR_MAX,
3b0f31f2 14486 .policy = nl80211_policy,
489111e5
JB		 14487 .netnsok = true,
14488 .pre_doit = nl80211_pre_doit,
14489 .post_doit = nl80211_post_doit,
14490 .module = THIS_MODULE,
14491 .ops = nl80211_ops,
14492 .n_ops = ARRAY_SIZE(nl80211_ops),
14493 .mcgrps = nl80211_mcgrps,
14494 .n_mcgrps = ARRAY_SIZE(nl80211_mcgrps),
14495};
14496
55682965
JB		 14497/* notification functions */
14498
3bb20556
JB		 14499void nl80211_notify_wiphy(struct cfg80211_registered_device *rdev,
14500 enum nl80211_commands cmd)
55682965
JB		 14501{
14502 struct sk_buff *msg;
86e8cf98 14503 struct nl80211_dump_wiphy_state state = {};
55682965 14504
3bb20556
JB		 14505 WARN_ON(cmd != NL80211_CMD_NEW_WIPHY &&
14506 cmd != NL80211_CMD_DEL_WIPHY);
14507
fd2120ca 14508 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
55682965
JB		 14509 if (!msg)
14510 return;
14511
3bb20556 14512 if (nl80211_send_wiphy(rdev, cmd, msg, 0, 0, 0, &state) < 0) {
55682965
JB		 14513 nlmsg_free(msg);
14514 return;
14515 }
14516
68eb5503 14517 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 14518 NL80211_MCGRP_CONFIG, GFP_KERNEL);
55682965
JB		 14519}
14520
896ff063
DK		 14521void nl80211_notify_iface(struct cfg80211_registered_device *rdev,
14522 struct wireless_dev *wdev,
14523 enum nl80211_commands cmd)
14524{
14525 struct sk_buff *msg;
14526
896ff063
DK		 14527 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14528 if (!msg)
14529 return;
14530
3d1a5bbf 14531 if (nl80211_send_iface(msg, 0, 0, 0, rdev, wdev, cmd) < 0) {
896ff063
DK		 14532 nlmsg_free(msg);
14533 return;
14534 }
14535
14536 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14537 NL80211_MCGRP_CONFIG, GFP_KERNEL);
14538}
14539
362a415d
JB		 14540static int nl80211_add_scan_req(struct sk_buff *msg,
14541 struct cfg80211_registered_device *rdev)
14542{
14543 struct cfg80211_scan_request *req = rdev->scan_req;
14544 struct nlattr *nest;
14545 int i;
14546
14547 if (WARN_ON(!req))
14548 return 0;
14549
ae0be8de 14550 nest = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_SSIDS);
362a415d
JB		 14551 if (!nest)
14552 goto nla_put_failure;
9360ffd1
DM		 14553 for (i = 0; i < req->n_ssids; i++) {
14554 if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid))
14555 goto nla_put_failure;
14556 }
362a415d
JB		 14557 nla_nest_end(msg, nest);
14558
ae0be8de 14559 nest = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_FREQUENCIES);
362a415d
JB		 14560 if (!nest)
14561 goto nla_put_failure;
9360ffd1
DM		 14562 for (i = 0; i < req->n_channels; i++) {
14563 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
14564 goto nla_put_failure;
14565 }
362a415d
JB		 14566 nla_nest_end(msg, nest);
14567
9360ffd1
DM		 14568 if (req->ie &&
14569 nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie))
14570 goto nla_put_failure;
362a415d 14571
ae917c9f
JB		 14572 if (req->flags &&
14573 nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags))
14574 goto nla_put_failure;
ed473771 14575
1d76250b
AS		 14576 if (req->info.scan_start_tsf &&
14577 (nla_put_u64_64bit(msg, NL80211_ATTR_SCAN_START_TIME_TSF,
14578 req->info.scan_start_tsf, NL80211_BSS_PAD) ||
14579 nla_put(msg, NL80211_ATTR_SCAN_START_TIME_TSF_BSSID, ETH_ALEN,
14580 req->info.tsf_bssid)))
14581 goto nla_put_failure;
14582
362a415d
JB		 14583 return 0;
14584 nla_put_failure:
14585 return -ENOBUFS;
14586}
14587
505a2e88 14588static int nl80211_prep_scan_msg(struct sk_buff *msg,
a538e2d5 14589 struct cfg80211_registered_device *rdev,
fd014284 14590 struct wireless_dev *wdev,
15e47304 14591 u32 portid, u32 seq, int flags,
a538e2d5 14592 u32 cmd)
2a519311
JB		 14593{
14594 void *hdr;
14595
15e47304 14596 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
2a519311
JB		 14597 if (!hdr)
14598 return -1;
14599
9360ffd1 14600 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
fd014284
JB		 14601 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
14602 wdev->netdev->ifindex)) ||
2dad624e
ND		 14603 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
14604 NL80211_ATTR_PAD))
9360ffd1 14605 goto nla_put_failure;
2a519311 14606
362a415d
JB		 14607 /* ignore errors and send incomplete event anyway */
14608 nl80211_add_scan_req(msg, rdev);
2a519311 14609
053c095a
JB		 14610 genlmsg_end(msg, hdr);
14611 return 0;
2a519311
JB		 14612
14613 nla_put_failure:
14614 genlmsg_cancel(msg, hdr);
14615 return -EMSGSIZE;
14616}
14617
807f8a8c 14618static int
505a2e88 14619nl80211_prep_sched_scan_msg(struct sk_buff *msg,
96b08fd6 14620 struct cfg80211_sched_scan_request *req, u32 cmd)
807f8a8c
LC		 14621{
14622 void *hdr;
14623
96b08fd6 14624 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
807f8a8c
LC		 14625 if (!hdr)
14626 return -1;
14627
96b08fd6
AVS		 14628 if (nla_put_u32(msg, NL80211_ATTR_WIPHY,
14629 wiphy_to_rdev(req->wiphy)->wiphy_idx) ||
14630 nla_put_u32(msg, NL80211_ATTR_IFINDEX, req->dev->ifindex) ||
14631 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, req->reqid,
14632 NL80211_ATTR_PAD))
9360ffd1 14633 goto nla_put_failure;
807f8a8c 14634
053c095a
JB		 14635 genlmsg_end(msg, hdr);
14636 return 0;
807f8a8c
LC		 14637
14638 nla_put_failure:
14639 genlmsg_cancel(msg, hdr);
14640 return -EMSGSIZE;
14641}
14642
a538e2d5 14643void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
fd014284 14644 struct wireless_dev *wdev)
a538e2d5
JB		 14645{
14646 struct sk_buff *msg;
14647
58050fce 14648 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
a538e2d5
JB		 14649 if (!msg)
14650 return;
14651
505a2e88 14652 if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0,
a538e2d5
JB		 14653 NL80211_CMD_TRIGGER_SCAN) < 0) {
14654 nlmsg_free(msg);
14655 return;
14656 }
14657
68eb5503 14658 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 14659 NL80211_MCGRP_SCAN, GFP_KERNEL);
a538e2d5
JB		 14660}
14661
f9d15d16
JB		 14662struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev,
14663 struct wireless_dev *wdev, bool aborted)
2a519311
JB		 14664{
14665 struct sk_buff *msg;
14666
fd2120ca 14667 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
2a519311 14668 if (!msg)
f9d15d16 14669 return NULL;
2a519311 14670
505a2e88 14671 if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0,
f9d15d16
JB		 14672 aborted ? NL80211_CMD_SCAN_ABORTED :
14673 NL80211_CMD_NEW_SCAN_RESULTS) < 0) {
2a519311 14674 nlmsg_free(msg);
f9d15d16 14675 return NULL;
2a519311
JB		 14676 }
14677
f9d15d16 14678 return msg;
2a519311
JB		 14679}
14680
505a2e88
AVS		 14681/* send message created by nl80211_build_scan_msg() */
14682void nl80211_send_scan_msg(struct cfg80211_registered_device *rdev,
14683 struct sk_buff *msg)
807f8a8c 14684{
807f8a8c
LC		 14685 if (!msg)
14686 return;
14687
68eb5503 14688 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 14689 NL80211_MCGRP_SCAN, GFP_KERNEL);
807f8a8c
LC		 14690}
14691
96b08fd6 14692void nl80211_send_sched_scan(struct cfg80211_sched_scan_request *req, u32 cmd)
807f8a8c
LC		 14693{
14694 struct sk_buff *msg;
14695
58050fce 14696 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
807f8a8c
LC		 14697 if (!msg)
14698 return;
14699
96b08fd6 14700 if (nl80211_prep_sched_scan_msg(msg, req, cmd) < 0) {
807f8a8c
LC		 14701 nlmsg_free(msg);
14702 return;
14703 }
14704
96b08fd6 14705 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(req->wiphy), msg, 0,
2a94fe48 14706 NL80211_MCGRP_SCAN, GFP_KERNEL);
807f8a8c
LC		 14707}
14708
b0d7aa59
JD		 14709static bool nl80211_reg_change_event_fill(struct sk_buff *msg,
14710 struct regulatory_request *request)
73d54c9e 14711{
73d54c9e 14712 /* Userspace can always count this one always being set */
9360ffd1
DM		 14713 if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator))
14714 goto nla_put_failure;
14715
14716 if (request->alpha2[0] == '0' && request->alpha2[1] == '0') {
14717 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
14718 NL80211_REGDOM_TYPE_WORLD))
14719 goto nla_put_failure;
14720 } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') {
14721 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
14722 NL80211_REGDOM_TYPE_CUSTOM_WORLD))
14723 goto nla_put_failure;
14724 } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') ||
14725 request->intersect) {
14726 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
14727 NL80211_REGDOM_TYPE_INTERSECTION))
14728 goto nla_put_failure;
14729 } else {
14730 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
14731 NL80211_REGDOM_TYPE_COUNTRY) ||
14732 nla_put_string(msg, NL80211_ATTR_REG_ALPHA2,
14733 request->alpha2))
14734 goto nla_put_failure;
14735 }
14736
ad30ca2c
AN		 14737 if (request->wiphy_idx != WIPHY_IDX_INVALID) {
14738 struct wiphy *wiphy = wiphy_idx_to_wiphy(request->wiphy_idx);
14739
14740 if (wiphy &&
14741 nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx))
14742 goto nla_put_failure;
1bdd716c
AN		 14743
14744 if (wiphy &&
14745 wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
14746 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
14747 goto nla_put_failure;
ad30ca2c 14748 }
73d54c9e 14749
b0d7aa59
JD		 14750 return true;
14751
14752nla_put_failure:
14753 return false;
14754}
14755
14756/*
14757 * This can happen on global regulatory changes or device specific settings
14758 * based on custom regulatory domains.
14759 */
14760void nl80211_common_reg_change_event(enum nl80211_commands cmd_id,
14761 struct regulatory_request *request)
14762{
14763 struct sk_buff *msg;
14764 void *hdr;
14765
14766 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14767 if (!msg)
14768 return;
14769
14770 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd_id);
14771 if (!hdr) {
14772 nlmsg_free(msg);
14773 return;
14774 }
14775
14776 if (nl80211_reg_change_event_fill(msg, request) == false)
14777 goto nla_put_failure;
14778
3b7b72ee 14779 genlmsg_end(msg, hdr);
73d54c9e 14780
bc43b28c 14781 rcu_read_lock();
68eb5503 14782 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
2a94fe48 14783 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
bc43b28c 14784 rcu_read_unlock();
73d54c9e
LR		 14785
14786 return;
14787
14788nla_put_failure:
73d54c9e
LR		 14789 nlmsg_free(msg);
14790}
14791
6039f6d2
JM		 14792static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
14793 struct net_device *netdev,
14794 const u8 *buf, size_t len,
b0b6aa2c 14795 enum nl80211_commands cmd, gfp_t gfp,
4d9ec73d
JM		 14796 int uapsd_queues, const u8 *req_ies,
14797 size_t req_ies_len)
6039f6d2
JM		 14798{
14799 struct sk_buff *msg;
14800 void *hdr;
14801
4d9ec73d 14802 msg = nlmsg_new(100 + len + req_ies_len, gfp);
6039f6d2
JM		 14803 if (!msg)
14804 return;
14805
14806 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
14807 if (!hdr) {
14808 nlmsg_free(msg);
14809 return;
14810 }
14811
9360ffd1
DM		 14812 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14813 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
4d9ec73d
JM		 14814 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
14815 (req_ies &&
14816 nla_put(msg, NL80211_ATTR_REQ_IE, req_ies_len, req_ies)))
9360ffd1 14817 goto nla_put_failure;
6039f6d2 14818
b0b6aa2c
EP		 14819 if (uapsd_queues >= 0) {
14820 struct nlattr *nla_wmm =
ae0be8de 14821 nla_nest_start_noflag(msg, NL80211_ATTR_STA_WME);
b0b6aa2c
EP		 14822 if (!nla_wmm)
14823 goto nla_put_failure;
14824
14825 if (nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES,
14826 uapsd_queues))
14827 goto nla_put_failure;
14828
14829 nla_nest_end(msg, nla_wmm);
14830 }
14831
3b7b72ee 14832 genlmsg_end(msg, hdr);
6039f6d2 14833
68eb5503 14834 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 14835 NL80211_MCGRP_MLME, gfp);
6039f6d2
JM		 14836 return;
14837
14838 nla_put_failure:
6039f6d2
JM		 14839 nlmsg_free(msg);
14840}
14841
14842void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev,
e6d6e342
JB		 14843 struct net_device *netdev, const u8 *buf,
14844 size_t len, gfp_t gfp)
6039f6d2
JM		 14845{
14846 nl80211_send_mlme_event(rdev, netdev, buf, len,
4d9ec73d 14847 NL80211_CMD_AUTHENTICATE, gfp, -1, NULL, 0);
6039f6d2
JM		 14848}
14849
14850void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev,
14851 struct net_device *netdev, const u8 *buf,
4d9ec73d
JM		 14852 size_t len, gfp_t gfp, int uapsd_queues,
14853 const u8 *req_ies, size_t req_ies_len)
6039f6d2 14854{
e6d6e342 14855 nl80211_send_mlme_event(rdev, netdev, buf, len,
4d9ec73d
JM		 14856 NL80211_CMD_ASSOCIATE, gfp, uapsd_queues,
14857 req_ies, req_ies_len);
6039f6d2
JM		 14858}
14859
53b46b84 14860void nl80211_send_deauth(struct cfg80211_registered_device *rdev,
e6d6e342
JB		 14861 struct net_device *netdev, const u8 *buf,
14862 size_t len, gfp_t gfp)
6039f6d2
JM		 14863{
14864 nl80211_send_mlme_event(rdev, netdev, buf, len,
4d9ec73d 14865 NL80211_CMD_DEAUTHENTICATE, gfp, -1, NULL, 0);
6039f6d2
JM		 14866}
14867
53b46b84
JM		 14868void nl80211_send_disassoc(struct cfg80211_registered_device *rdev,
14869 struct net_device *netdev, const u8 *buf,
e6d6e342 14870 size_t len, gfp_t gfp)
6039f6d2
JM		 14871{
14872 nl80211_send_mlme_event(rdev, netdev, buf, len,
4d9ec73d 14873 NL80211_CMD_DISASSOCIATE, gfp, -1, NULL, 0);
6039f6d2
JM		 14874}
14875
6ff57cf8
JB		 14876void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf,
14877 size_t len)
cf4e594e 14878{
947add36
JB		 14879 struct wireless_dev *wdev = dev->ieee80211_ptr;
14880 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 14881 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
6ff57cf8
JB		 14882 const struct ieee80211_mgmt *mgmt = (void *)buf;
14883 u32 cmd;
947add36 14884
6ff57cf8
JB		 14885 if (WARN_ON(len < 2))
14886 return;
cf4e594e 14887
6ff57cf8
JB		 14888 if (ieee80211_is_deauth(mgmt->frame_control))
14889 cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE;
14890 else
14891 cmd = NL80211_CMD_UNPROT_DISASSOCIATE;
947add36 14892
6ff57cf8 14893 trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len);
4d9ec73d
JM		 14894 nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC, -1,
14895 NULL, 0);
cf4e594e 14896}
6ff57cf8 14897EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt);
cf4e594e 14898
1b06bb40
LR		 14899static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev,
14900 struct net_device *netdev, int cmd,
e6d6e342 14901 const u8 *addr, gfp_t gfp)
1965c853
JM		 14902{
14903 struct sk_buff *msg;
14904 void *hdr;
14905
e6d6e342 14906 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
1965c853
JM		 14907 if (!msg)
14908 return;
14909
14910 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
14911 if (!hdr) {
14912 nlmsg_free(msg);
14913 return;
14914 }
14915
9360ffd1
DM		 14916 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14917 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
14918 nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
14919 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
14920 goto nla_put_failure;
1965c853 14921
3b7b72ee 14922 genlmsg_end(msg, hdr);
1965c853 14923
68eb5503 14924 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 14925 NL80211_MCGRP_MLME, gfp);
1965c853
JM		 14926 return;
14927
14928 nla_put_failure:
1965c853
JM		 14929 nlmsg_free(msg);
14930}
14931
14932void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev,
e6d6e342
JB		 14933 struct net_device *netdev, const u8 *addr,
14934 gfp_t gfp)
1965c853
JM		 14935{
14936 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE,
e6d6e342 14937 addr, gfp);
1965c853
JM		 14938}
14939
14940void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev,
e6d6e342
JB		 14941 struct net_device *netdev, const u8 *addr,
14942 gfp_t gfp)
1965c853 14943{
e6d6e342
JB		 14944 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE,
14945 addr, gfp);
1965c853
JM		 14946}
14947
b23aa676 14948void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
5349a0f7
VK		 14949 struct net_device *netdev,
14950 struct cfg80211_connect_resp_params *cr,
3093ebbe 14951 gfp_t gfp)
b23aa676
SO		 14952{
14953 struct sk_buff *msg;
14954 void *hdr;
14955
a3caf744 14956 msg = nlmsg_new(100 + cr->req_ie_len + cr->resp_ie_len +
76804d28
AVS		 14957 cr->fils.kek_len + cr->fils.pmk_len +
14958 (cr->fils.pmkid ? WLAN_PMKID_LEN : 0), gfp);
b23aa676
SO		 14959 if (!msg)
14960 return;
14961
14962 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT);
14963 if (!hdr) {
14964 nlmsg_free(msg);
14965 return;
14966 }
14967
9360ffd1
DM		 14968 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14969 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
5349a0f7
VK		 14970 (cr->bssid &&
14971 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, cr->bssid)) ||
bf1ecd21 14972 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE,
5349a0f7
VK		 14973 cr->status < 0 ? WLAN_STATUS_UNSPECIFIED_FAILURE :
14974 cr->status) ||
14975 (cr->status < 0 &&
3093ebbe 14976 (nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
5349a0f7
VK		 14977 nla_put_u32(msg, NL80211_ATTR_TIMEOUT_REASON,
14978 cr->timeout_reason))) ||
14979 (cr->req_ie &&
14980 nla_put(msg, NL80211_ATTR_REQ_IE, cr->req_ie_len, cr->req_ie)) ||
14981 (cr->resp_ie &&
14982 nla_put(msg, NL80211_ATTR_RESP_IE, cr->resp_ie_len,
a3caf744 14983 cr->resp_ie)) ||
76804d28 14984 (cr->fils.update_erp_next_seq_num &&
a3caf744 14985 nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
76804d28 14986 cr->fils.erp_next_seq_num)) ||
a3caf744 14987 (cr->status == WLAN_STATUS_SUCCESS &&
76804d28
AVS		 14988 ((cr->fils.kek &&
14989 nla_put(msg, NL80211_ATTR_FILS_KEK, cr->fils.kek_len,
14990 cr->fils.kek)) ||
14991 (cr->fils.pmk &&
14992 nla_put(msg, NL80211_ATTR_PMK, cr->fils.pmk_len, cr->fils.pmk)) ||
14993 (cr->fils.pmkid &&
14994 nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, cr->fils.pmkid)))))
9360ffd1 14995 goto nla_put_failure;
b23aa676 14996
3b7b72ee 14997 genlmsg_end(msg, hdr);
b23aa676 14998
68eb5503 14999 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 15000 NL80211_MCGRP_MLME, gfp);
b23aa676
SO		 15001 return;
15002
15003 nla_put_failure:
b23aa676 15004 nlmsg_free(msg);
b23aa676
SO		 15005}
15006
15007void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
29ce6ecb
AS		 15008 struct net_device *netdev,
15009 struct cfg80211_roam_info *info, gfp_t gfp)
b23aa676
SO		 15010{
15011 struct sk_buff *msg;
15012 void *hdr;
29ce6ecb 15013 const u8 *bssid = info->bss ? info->bss->bssid : info->bssid;
b23aa676 15014
e841b7b1
AVS		 15015 msg = nlmsg_new(100 + info->req_ie_len + info->resp_ie_len +
15016 info->fils.kek_len + info->fils.pmk_len +
15017 (info->fils.pmkid ? WLAN_PMKID_LEN : 0), gfp);
b23aa676
SO		 15018 if (!msg)
15019 return;
15020
15021 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM);
15022 if (!hdr) {
15023 nlmsg_free(msg);
15024 return;
15025 }
15026
9360ffd1
DM		 15027 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15028 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15029 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid) ||
29ce6ecb
AS		 15030 (info->req_ie &&
15031 nla_put(msg, NL80211_ATTR_REQ_IE, info->req_ie_len,
15032 info->req_ie)) ||
15033 (info->resp_ie &&
15034 nla_put(msg, NL80211_ATTR_RESP_IE, info->resp_ie_len,
e841b7b1
AVS		 15035 info->resp_ie)) ||
15036 (info->fils.update_erp_next_seq_num &&
15037 nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
15038 info->fils.erp_next_seq_num)) ||
15039 (info->fils.kek &&
15040 nla_put(msg, NL80211_ATTR_FILS_KEK, info->fils.kek_len,
15041 info->fils.kek)) ||
15042 (info->fils.pmk &&
15043 nla_put(msg, NL80211_ATTR_PMK, info->fils.pmk_len, info->fils.pmk)) ||
15044 (info->fils.pmkid &&
15045 nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, info->fils.pmkid)))
9360ffd1 15046 goto nla_put_failure;
b23aa676 15047
3b7b72ee 15048 genlmsg_end(msg, hdr);
b23aa676 15049
68eb5503 15050 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 15051 NL80211_MCGRP_MLME, gfp);
b23aa676
SO		 15052 return;
15053
503c1fb9 15054 nla_put_failure:
503c1fb9
AS		 15055 nlmsg_free(msg);
15056}
15057
15058void nl80211_send_port_authorized(struct cfg80211_registered_device *rdev,
15059 struct net_device *netdev, const u8 *bssid)
15060{
15061 struct sk_buff *msg;
15062 void *hdr;
15063
15064 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
15065 if (!msg)
15066 return;
15067
15068 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PORT_AUTHORIZED);
15069 if (!hdr) {
15070 nlmsg_free(msg);
15071 return;
15072 }
15073
15074 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
15075 goto nla_put_failure;
15076
15077 genlmsg_end(msg, hdr);
15078
15079 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15080 NL80211_MCGRP_MLME, GFP_KERNEL);
15081 return;
15082
b23aa676 15083 nla_put_failure:
b23aa676 15084 nlmsg_free(msg);
b23aa676
SO		 15085}
15086
15087void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
15088 struct net_device *netdev, u16 reason,
667503dd 15089 const u8 *ie, size_t ie_len, bool from_ap)
b23aa676
SO		 15090{
15091 struct sk_buff *msg;
15092 void *hdr;
15093
4ef8c1c9 15094 msg = nlmsg_new(100 + ie_len, GFP_KERNEL);
b23aa676
SO		 15095 if (!msg)
15096 return;
15097
15098 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT);
15099 if (!hdr) {
15100 nlmsg_free(msg);
15101 return;
15102 }
15103
9360ffd1
DM		 15104 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15105 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
86b6c465 15106 (reason &&
9360ffd1
DM		 15107 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) ||
15108 (from_ap &&
15109 nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) ||
15110 (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie)))
15111 goto nla_put_failure;
b23aa676 15112
3b7b72ee 15113 genlmsg_end(msg, hdr);
b23aa676 15114
68eb5503 15115 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 15116 NL80211_MCGRP_MLME, GFP_KERNEL);
b23aa676
SO		 15117 return;
15118
15119 nla_put_failure:
b23aa676 15120 nlmsg_free(msg);
b23aa676
SO		 15121}
15122
04a773ad
JB		 15123void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev,
15124 struct net_device *netdev, const u8 *bssid,
15125 gfp_t gfp)
15126{
15127 struct sk_buff *msg;
15128 void *hdr;
15129
fd2120ca 15130 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
04a773ad
JB		 15131 if (!msg)
15132 return;
15133
15134 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS);
15135 if (!hdr) {
15136 nlmsg_free(msg);
15137 return;
15138 }
15139
9360ffd1
DM		 15140 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15141 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15142 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
15143 goto nla_put_failure;
04a773ad 15144
3b7b72ee 15145 genlmsg_end(msg, hdr);
04a773ad 15146
68eb5503 15147 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 15148 NL80211_MCGRP_MLME, gfp);
04a773ad
JB		 15149 return;
15150
15151 nla_put_failure:
04a773ad
JB		 15152 nlmsg_free(msg);
15153}
15154
947add36 15155void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr,
ecbc12ad
BC		 15156 const u8 *ie, u8 ie_len,
15157 int sig_dbm, gfp_t gfp)
c93b5e71 15158{
947add36 15159 struct wireless_dev *wdev = dev->ieee80211_ptr;
f26cbf40 15160 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
c93b5e71
JC		 15161 struct sk_buff *msg;
15162 void *hdr;
15163
947add36
JB		 15164 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT))
15165 return;
15166
15167 trace_cfg80211_notify_new_peer_candidate(dev, addr);
15168
4ef8c1c9 15169 msg = nlmsg_new(100 + ie_len, gfp);
c93b5e71
JC		 15170 if (!msg)
15171 return;
15172
15173 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE);
15174 if (!hdr) {
15175 nlmsg_free(msg);
15176 return;
15177 }
15178
9360ffd1 15179 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
947add36
JB		 15180 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
15181 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
9360ffd1 15182 (ie_len && ie &&
ecbc12ad
BC		 15183 nla_put(msg, NL80211_ATTR_IE, ie_len, ie)) ||
15184 (sig_dbm &&
15185 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)))
9360ffd1 15186 goto nla_put_failure;
c93b5e71 15187
3b7b72ee 15188 genlmsg_end(msg, hdr);
c93b5e71 15189
68eb5503 15190 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 15191 NL80211_MCGRP_MLME, gfp);
c93b5e71
JC		 15192 return;
15193
15194 nla_put_failure:
c93b5e71
JC		 15195 nlmsg_free(msg);
15196}
947add36 15197EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate);
c93b5e71 15198
a3b8b056
JM		 15199void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
15200 struct net_device *netdev, const u8 *addr,
15201 enum nl80211_key_type key_type, int key_id,
e6d6e342 15202 const u8 *tsc, gfp_t gfp)
a3b8b056
JM		 15203{
15204 struct sk_buff *msg;
15205 void *hdr;
15206
e6d6e342 15207 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
a3b8b056
JM		 15208 if (!msg)
15209 return;
15210
15211 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE);
15212 if (!hdr) {
15213 nlmsg_free(msg);
15214 return;
15215 }
15216
9360ffd1
DM		 15217 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15218 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15219 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
15220 nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) ||
15221 (key_id != -1 &&
15222 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) ||
15223 (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc)))
15224 goto nla_put_failure;
a3b8b056 15225
3b7b72ee 15226 genlmsg_end(msg, hdr);
a3b8b056 15227
68eb5503 15228 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 15229 NL80211_MCGRP_MLME, gfp);
a3b8b056
JM		 15230 return;
15231
15232 nla_put_failure:
a3b8b056
JM		 15233 nlmsg_free(msg);
15234}
15235
6bad8766
LR		 15236void nl80211_send_beacon_hint_event(struct wiphy *wiphy,
15237 struct ieee80211_channel *channel_before,
15238 struct ieee80211_channel *channel_after)
15239{
15240 struct sk_buff *msg;
15241 void *hdr;
15242 struct nlattr *nl_freq;
15243
fd2120ca 15244 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
6bad8766
LR		 15245 if (!msg)
15246 return;
15247
15248 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT);
15249 if (!hdr) {
15250 nlmsg_free(msg);
15251 return;
15252 }
15253
15254 /*
15255 * Since we are applying the beacon hint to a wiphy we know its
15256 * wiphy_idx is valid
15257 */
9360ffd1
DM		 15258 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
15259 goto nla_put_failure;
6bad8766
LR		 15260
15261 /* Before */
ae0be8de 15262 nl_freq = nla_nest_start_noflag(msg, NL80211_ATTR_FREQ_BEFORE);
6bad8766
LR		 15263 if (!nl_freq)
15264 goto nla_put_failure;
50f32718
HD		 15265
15266 if (nl80211_msg_put_channel(msg, wiphy, channel_before, false))
6bad8766
LR		 15267 goto nla_put_failure;
15268 nla_nest_end(msg, nl_freq);
15269
15270 /* After */
ae0be8de 15271 nl_freq = nla_nest_start_noflag(msg, NL80211_ATTR_FREQ_AFTER);
6bad8766
LR		 15272 if (!nl_freq)
15273 goto nla_put_failure;
50f32718
HD		 15274
15275 if (nl80211_msg_put_channel(msg, wiphy, channel_after, false))
6bad8766
LR		 15276 goto nla_put_failure;
15277 nla_nest_end(msg, nl_freq);
15278
3b7b72ee 15279 genlmsg_end(msg, hdr);
6bad8766 15280
463d0183 15281 rcu_read_lock();
68eb5503 15282 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
2a94fe48 15283 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
463d0183 15284 rcu_read_unlock();
6bad8766
LR		 15285
15286 return;
15287
15288nla_put_failure:
6bad8766
LR		 15289 nlmsg_free(msg);
15290}
15291
9588bbd5
JM		 15292static void nl80211_send_remain_on_chan_event(
15293 int cmd, struct cfg80211_registered_device *rdev,
71bbc994 15294 struct wireless_dev *wdev, u64 cookie,
9588bbd5 15295 struct ieee80211_channel *chan,
9588bbd5
JM		 15296 unsigned int duration, gfp_t gfp)
15297{
15298 struct sk_buff *msg;
15299 void *hdr;
15300
15301 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15302 if (!msg)
15303 return;
15304
15305 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
15306 if (!hdr) {
15307 nlmsg_free(msg);
15308 return;
15309 }
15310
9360ffd1 15311 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
71bbc994
JB		 15312 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
15313 wdev->netdev->ifindex)) ||
2dad624e
ND		 15314 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
15315 NL80211_ATTR_PAD) ||
9360ffd1 15316 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) ||
42d97a59
JB		 15317 nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
15318 NL80211_CHAN_NO_HT) ||
2dad624e
ND		 15319 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
15320 NL80211_ATTR_PAD))
9360ffd1 15321 goto nla_put_failure;
9588bbd5 15322
9360ffd1
DM		 15323 if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL &&
15324 nla_put_u32(msg, NL80211_ATTR_DURATION, duration))
15325 goto nla_put_failure;
9588bbd5 15326
3b7b72ee 15327 genlmsg_end(msg, hdr);
9588bbd5 15328
68eb5503 15329 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 15330 NL80211_MCGRP_MLME, gfp);
9588bbd5
JM		 15331 return;
15332
15333 nla_put_failure:
9588bbd5
JM		 15334 nlmsg_free(msg);
15335}
15336
947add36
JB		 15337void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie,
15338 struct ieee80211_channel *chan,
15339 unsigned int duration, gfp_t gfp)
9588bbd5 15340{
947add36 15341 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 15342 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
947add36
JB		 15343
15344 trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration);
9588bbd5 15345 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL,
71bbc994 15346 rdev, wdev, cookie, chan,
42d97a59 15347 duration, gfp);
9588bbd5 15348}
947add36 15349EXPORT_SYMBOL(cfg80211_ready_on_channel);
9588bbd5 15350
947add36
JB		 15351void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie,
15352 struct ieee80211_channel *chan,
15353 gfp_t gfp)
9588bbd5 15354{
947add36 15355 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 15356 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
947add36
JB		 15357
15358 trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan);
9588bbd5 15359 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
42d97a59 15360 rdev, wdev, cookie, chan, 0, gfp);
9588bbd5 15361}
947add36 15362EXPORT_SYMBOL(cfg80211_remain_on_channel_expired);
9588bbd5 15363
947add36
JB		 15364void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr,
15365 struct station_info *sinfo, gfp_t gfp)
98b62183 15366{
947add36 15367 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
f26cbf40 15368 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
98b62183
JB		 15369 struct sk_buff *msg;
15370
947add36
JB		 15371 trace_cfg80211_new_sta(dev, mac_addr, sinfo);
15372
58050fce 15373 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
98b62183
JB		 15374 if (!msg)
15375 return;
15376
cf5ead82 15377 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION, 0, 0, 0,
66266b3a 15378 rdev, dev, mac_addr, sinfo) < 0) {
98b62183
JB		 15379 nlmsg_free(msg);
15380 return;
15381 }
15382
68eb5503 15383 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 15384 NL80211_MCGRP_MLME, gfp);
98b62183 15385}
947add36 15386EXPORT_SYMBOL(cfg80211_new_sta);
98b62183 15387
cf5ead82
JB		 15388void cfg80211_del_sta_sinfo(struct net_device *dev, const u8 *mac_addr,
15389 struct station_info *sinfo, gfp_t gfp)
ec15e68b 15390{
947add36 15391 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
f26cbf40 15392 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
ec15e68b 15393 struct sk_buff *msg;
73887fd9 15394 struct station_info empty_sinfo = {};
cf5ead82 15395
73887fd9
JB		 15396 if (!sinfo)
15397 sinfo = &empty_sinfo;
ec15e68b 15398
947add36
JB		 15399 trace_cfg80211_del_sta(dev, mac_addr);
15400
58050fce 15401 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
7ea3e110
JB		 15402 if (!msg) {
15403 cfg80211_sinfo_release_content(sinfo);
73887fd9 15404 return;
7ea3e110 15405 }
ec15e68b 15406
cf5ead82 15407 if (nl80211_send_station(msg, NL80211_CMD_DEL_STATION, 0, 0, 0,
57007121 15408 rdev, dev, mac_addr, sinfo) < 0) {
ec15e68b 15409 nlmsg_free(msg);
73887fd9 15410 return;
ec15e68b
JM		 15411 }
15412
68eb5503 15413 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 15414 NL80211_MCGRP_MLME, gfp);
ec15e68b 15415}
cf5ead82 15416EXPORT_SYMBOL(cfg80211_del_sta_sinfo);
ec15e68b 15417
947add36
JB		 15418void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr,
15419 enum nl80211_connect_failed_reason reason,
15420 gfp_t gfp)
ed44a951 15421{
947add36 15422 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
f26cbf40 15423 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
ed44a951
PP		 15424 struct sk_buff *msg;
15425 void *hdr;
15426
15427 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
15428 if (!msg)
15429 return;
15430
15431 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED);
15432 if (!hdr) {
15433 nlmsg_free(msg);
15434 return;
15435 }
15436
15437 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
15438 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
15439 nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason))
15440 goto nla_put_failure;
15441
15442 genlmsg_end(msg, hdr);
15443
68eb5503 15444 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 15445 NL80211_MCGRP_MLME, gfp);
ed44a951
PP		 15446 return;
15447
15448 nla_put_failure:
ed44a951
PP		 15449 nlmsg_free(msg);
15450}
947add36 15451EXPORT_SYMBOL(cfg80211_conn_failed);
ed44a951 15452
b92ab5d8
JB		 15453static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd,
15454 const u8 *addr, gfp_t gfp)
28946da7
JB		 15455{
15456 struct wireless_dev *wdev = dev->ieee80211_ptr;
f26cbf40 15457 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
28946da7
JB		 15458 struct sk_buff *msg;
15459 void *hdr;
6aa7de05 15460 u32 nlportid = READ_ONCE(wdev->ap_unexpected_nlportid);
28946da7 15461
15e47304 15462 if (!nlportid)
28946da7
JB		 15463 return false;
15464
15465 msg = nlmsg_new(100, gfp);
15466 if (!msg)
15467 return true;
15468
b92ab5d8 15469 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
28946da7
JB		 15470 if (!hdr) {
15471 nlmsg_free(msg);
15472 return true;
15473 }
15474
9360ffd1
DM		 15475 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15476 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
15477 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
15478 goto nla_put_failure;
28946da7 15479
9c90a9f6 15480 genlmsg_end(msg, hdr);
15e47304 15481 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
28946da7
JB		 15482 return true;
15483
15484 nla_put_failure:
28946da7
JB		 15485 nlmsg_free(msg);
15486 return true;
15487}
15488
947add36
JB		 15489bool cfg80211_rx_spurious_frame(struct net_device *dev,
15490 const u8 *addr, gfp_t gfp)
b92ab5d8 15491{
947add36
JB		 15492 struct wireless_dev *wdev = dev->ieee80211_ptr;
15493 bool ret;
15494
15495 trace_cfg80211_rx_spurious_frame(dev, addr);
15496
15497 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
15498 wdev->iftype != NL80211_IFTYPE_P2P_GO)) {
15499 trace_cfg80211_return_bool(false);
15500 return false;
15501 }
15502 ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME,
15503 addr, gfp);
15504 trace_cfg80211_return_bool(ret);
15505 return ret;
b92ab5d8 15506}
947add36 15507EXPORT_SYMBOL(cfg80211_rx_spurious_frame);
b92ab5d8 15508
947add36
JB		 15509bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev,
15510 const u8 *addr, gfp_t gfp)
b92ab5d8 15511{
947add36
JB		 15512 struct wireless_dev *wdev = dev->ieee80211_ptr;
15513 bool ret;
15514
15515 trace_cfg80211_rx_unexpected_4addr_frame(dev, addr);
15516
15517 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
15518 wdev->iftype != NL80211_IFTYPE_P2P_GO &&
15519 wdev->iftype != NL80211_IFTYPE_AP_VLAN)) {
15520 trace_cfg80211_return_bool(false);
15521 return false;
15522 }
15523 ret = __nl80211_unexpected_frame(dev,
15524 NL80211_CMD_UNEXPECTED_4ADDR_FRAME,
15525 addr, gfp);
15526 trace_cfg80211_return_bool(ret);
15527 return ret;
b92ab5d8 15528}
947add36 15529EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame);
b92ab5d8 15530
2e161f78 15531int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
15e47304 15532 struct wireless_dev *wdev, u32 nlportid,
804483e9 15533 int freq, int sig_dbm,
19504cf5 15534 const u8 *buf, size_t len, u32 flags, gfp_t gfp)
026331c4 15535{
71bbc994 15536 struct net_device *netdev = wdev->netdev;
026331c4
JM		 15537 struct sk_buff *msg;
15538 void *hdr;
026331c4 15539
4ef8c1c9 15540 msg = nlmsg_new(100 + len, gfp);
026331c4
JM		 15541 if (!msg)
15542 return -ENOMEM;
15543
2e161f78 15544 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
026331c4
JM		 15545 if (!hdr) {
15546 nlmsg_free(msg);
15547 return -ENOMEM;
15548 }
15549
9360ffd1 15550 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
71bbc994
JB		 15551 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
15552 netdev->ifindex)) ||
2dad624e
ND		 15553 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
15554 NL80211_ATTR_PAD) ||
9360ffd1
DM		 15555 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) ||
15556 (sig_dbm &&
15557 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
19504cf5
VK		 15558 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
15559 (flags &&
15560 nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, flags)))
9360ffd1 15561 goto nla_put_failure;
026331c4 15562
3b7b72ee 15563 genlmsg_end(msg, hdr);
026331c4 15564
15e47304 15565 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
026331c4
JM		 15566
15567 nla_put_failure:
026331c4
JM		 15568 nlmsg_free(msg);
15569 return -ENOBUFS;
15570}
15571
947add36
JB		 15572void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie,
15573 const u8 *buf, size_t len, bool ack, gfp_t gfp)
026331c4 15574{
947add36 15575 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 15576 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
71bbc994 15577 struct net_device *netdev = wdev->netdev;
026331c4
JM		 15578 struct sk_buff *msg;
15579 void *hdr;
15580
947add36
JB		 15581 trace_cfg80211_mgmt_tx_status(wdev, cookie, ack);
15582
4ef8c1c9 15583 msg = nlmsg_new(100 + len, gfp);
026331c4
JM		 15584 if (!msg)
15585 return;
15586
2e161f78 15587 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS);
026331c4
JM		 15588 if (!hdr) {
15589 nlmsg_free(msg);
15590 return;
15591 }
15592
9360ffd1 15593 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
71bbc994
JB		 15594 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
15595 netdev->ifindex)) ||
2dad624e
ND		 15596 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
15597 NL80211_ATTR_PAD) ||
9360ffd1 15598 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
2dad624e
ND		 15599 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
15600 NL80211_ATTR_PAD) ||
9360ffd1
DM		 15601 (ack && nla_put_flag(msg, NL80211_ATTR_ACK)))
15602 goto nla_put_failure;
026331c4 15603
3b7b72ee 15604 genlmsg_end(msg, hdr);
026331c4 15605
68eb5503 15606 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 15607 NL80211_MCGRP_MLME, gfp);
026331c4
JM		 15608 return;
15609
15610 nla_put_failure:
026331c4
JM		 15611 nlmsg_free(msg);
15612}
947add36 15613EXPORT_SYMBOL(cfg80211_mgmt_tx_status);
026331c4 15614
6a671a50 15615static int __nl80211_rx_control_port(struct net_device *dev,
a948f713 15616 struct sk_buff *skb,
6a671a50
DK		 15617 bool unencrypted, gfp_t gfp)
15618{
15619 struct wireless_dev *wdev = dev->ieee80211_ptr;
15620 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
a948f713
DK		 15621 struct ethhdr *ehdr = eth_hdr(skb);
15622 const u8 *addr = ehdr->h_source;
15623 u16 proto = be16_to_cpu(skb->protocol);
6a671a50
DK		 15624 struct sk_buff *msg;
15625 void *hdr;
a948f713
DK		 15626 struct nlattr *frame;
15627
6a671a50
DK		 15628 u32 nlportid = READ_ONCE(wdev->conn_owner_nlportid);
15629
15630 if (!nlportid)
15631 return -ENOENT;
15632
a948f713 15633 msg = nlmsg_new(100 + skb->len, gfp);
6a671a50
DK		 15634 if (!msg)
15635 return -ENOMEM;
15636
15637 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONTROL_PORT_FRAME);
15638 if (!hdr) {
15639 nlmsg_free(msg);
15640 return -ENOBUFS;
15641 }
15642
15643 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15644 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
15645 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
15646 NL80211_ATTR_PAD) ||
6a671a50
DK		 15647 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
15648 nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, proto) ||
15649 (unencrypted && nla_put_flag(msg,
15650 NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)))
15651 goto nla_put_failure;
15652
a948f713
DK		 15653 frame = nla_reserve(msg, NL80211_ATTR_FRAME, skb->len);
15654 if (!frame)
15655 goto nla_put_failure;
15656
15657 skb_copy_bits(skb, 0, nla_data(frame), skb->len);
6a671a50
DK		 15658 genlmsg_end(msg, hdr);
15659
15660 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
15661
15662 nla_put_failure:
15663 nlmsg_free(msg);
15664 return -ENOBUFS;
15665}
15666
15667bool cfg80211_rx_control_port(struct net_device *dev,
a948f713 15668 struct sk_buff *skb, bool unencrypted)
6a671a50
DK		 15669{
15670 int ret;
15671
a948f713
DK		 15672 trace_cfg80211_rx_control_port(dev, skb, unencrypted);
15673 ret = __nl80211_rx_control_port(dev, skb, unencrypted, GFP_ATOMIC);
6a671a50
DK		 15674 trace_cfg80211_return_bool(ret == 0);
15675 return ret == 0;
15676}
15677EXPORT_SYMBOL(cfg80211_rx_control_port);
15678
5b97f49d
JB		 15679static struct sk_buff *cfg80211_prepare_cqm(struct net_device *dev,
15680 const char *mac, gfp_t gfp)
d6dc1a38 15681{
947add36 15682 struct wireless_dev *wdev = dev->ieee80211_ptr;
5b97f49d
JB		 15683 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
15684 struct sk_buff *msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15685 void **cb;
947add36 15686
d6dc1a38 15687 if (!msg)
5b97f49d 15688 return NULL;
d6dc1a38 15689
5b97f49d
JB		 15690 cb = (void **)msg->cb;
15691
15692 cb[0] = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
15693 if (!cb[0]) {
d6dc1a38 15694 nlmsg_free(msg);
5b97f49d 15695 return NULL;
d6dc1a38
JO		 15696 }
15697
9360ffd1 15698 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
947add36 15699 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
9360ffd1 15700 goto nla_put_failure;
d6dc1a38 15701
5b97f49d 15702 if (mac && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
d6dc1a38
JO		 15703 goto nla_put_failure;
15704
ae0be8de 15705 cb[1] = nla_nest_start_noflag(msg, NL80211_ATTR_CQM);
5b97f49d 15706 if (!cb[1])
9360ffd1 15707 goto nla_put_failure;
d6dc1a38 15708
5b97f49d 15709 cb[2] = rdev;
d6dc1a38 15710
5b97f49d
JB		 15711 return msg;
15712 nla_put_failure:
15713 nlmsg_free(msg);
15714 return NULL;
15715}
15716
15717static void cfg80211_send_cqm(struct sk_buff *msg, gfp_t gfp)
15718{
15719 void **cb = (void **)msg->cb;
15720 struct cfg80211_registered_device *rdev = cb[2];
15721
15722 nla_nest_end(msg, cb[1]);
15723 genlmsg_end(msg, cb[0]);
15724
15725 memset(msg->cb, 0, sizeof(msg->cb));
d6dc1a38 15726
68eb5503 15727 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 15728 NL80211_MCGRP_MLME, gfp);
5b97f49d
JB		 15729}
15730
15731void cfg80211_cqm_rssi_notify(struct net_device *dev,
15732 enum nl80211_cqm_rssi_threshold_event rssi_event,
bee427b8 15733 s32 rssi_level, gfp_t gfp)
5b97f49d
JB		 15734{
15735 struct sk_buff *msg;
4a4b8169
AZ		 15736 struct wireless_dev *wdev = dev->ieee80211_ptr;
15737 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
5b97f49d 15738
bee427b8 15739 trace_cfg80211_cqm_rssi_notify(dev, rssi_event, rssi_level);
5b97f49d 15740
98f03342
JB		 15741 if (WARN_ON(rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW &&
15742 rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH))
15743 return;
15744
4a4b8169
AZ		 15745 if (wdev->cqm_config) {
15746 wdev->cqm_config->last_rssi_event_value = rssi_level;
15747
15748 cfg80211_cqm_rssi_update(rdev, dev);
15749
15750 if (rssi_level == 0)
15751 rssi_level = wdev->cqm_config->last_rssi_event_value;
15752 }
15753
5b97f49d
JB		 15754 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
15755 if (!msg)
15756 return;
15757
15758 if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT,
15759 rssi_event))
15760 goto nla_put_failure;
15761
bee427b8
AZ		 15762 if (rssi_level && nla_put_s32(msg, NL80211_ATTR_CQM_RSSI_LEVEL,
15763 rssi_level))
15764 goto nla_put_failure;
15765
5b97f49d
JB		 15766 cfg80211_send_cqm(msg, gfp);
15767
d6dc1a38
JO		 15768 return;
15769
15770 nla_put_failure:
d6dc1a38
JO		 15771 nlmsg_free(msg);
15772}
947add36 15773EXPORT_SYMBOL(cfg80211_cqm_rssi_notify);
d6dc1a38 15774
5b97f49d
JB		 15775void cfg80211_cqm_txe_notify(struct net_device *dev,
15776 const u8 *peer, u32 num_packets,
15777 u32 rate, u32 intvl, gfp_t gfp)
15778{
15779 struct sk_buff *msg;
15780
15781 msg = cfg80211_prepare_cqm(dev, peer, gfp);
15782 if (!msg)
15783 return;
15784
15785 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets))
15786 goto nla_put_failure;
15787
15788 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate))
15789 goto nla_put_failure;
15790
15791 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl))
15792 goto nla_put_failure;
15793
15794 cfg80211_send_cqm(msg, gfp);
15795 return;
15796
15797 nla_put_failure:
15798 nlmsg_free(msg);
15799}
15800EXPORT_SYMBOL(cfg80211_cqm_txe_notify);
15801
15802void cfg80211_cqm_pktloss_notify(struct net_device *dev,
15803 const u8 *peer, u32 num_packets, gfp_t gfp)
15804{
15805 struct sk_buff *msg;
15806
15807 trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets);
15808
15809 msg = cfg80211_prepare_cqm(dev, peer, gfp);
15810 if (!msg)
15811 return;
15812
15813 if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets))
15814 goto nla_put_failure;
15815
15816 cfg80211_send_cqm(msg, gfp);
15817 return;
15818
15819 nla_put_failure:
15820 nlmsg_free(msg);
15821}
15822EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify);
15823
98f03342
JB		 15824void cfg80211_cqm_beacon_loss_notify(struct net_device *dev, gfp_t gfp)
15825{
15826 struct sk_buff *msg;
15827
15828 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
15829 if (!msg)
15830 return;
15831
15832 if (nla_put_flag(msg, NL80211_ATTR_CQM_BEACON_LOSS_EVENT))
15833 goto nla_put_failure;
15834
15835 cfg80211_send_cqm(msg, gfp);
15836 return;
15837
15838 nla_put_failure:
15839 nlmsg_free(msg);
15840}
15841EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify);
15842
947add36
JB		 15843static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev,
15844 struct net_device *netdev, const u8 *bssid,
15845 const u8 *replay_ctr, gfp_t gfp)
e5497d76
JB		 15846{
15847 struct sk_buff *msg;
15848 struct nlattr *rekey_attr;
15849 void *hdr;
15850
58050fce 15851 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
e5497d76
JB		 15852 if (!msg)
15853 return;
15854
15855 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD);
15856 if (!hdr) {
15857 nlmsg_free(msg);
15858 return;
15859 }
15860
9360ffd1
DM		 15861 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15862 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15863 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
15864 goto nla_put_failure;
e5497d76 15865
ae0be8de 15866 rekey_attr = nla_nest_start_noflag(msg, NL80211_ATTR_REKEY_DATA);
e5497d76
JB		 15867 if (!rekey_attr)
15868 goto nla_put_failure;
15869
9360ffd1
DM		 15870 if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR,
15871 NL80211_REPLAY_CTR_LEN, replay_ctr))
15872 goto nla_put_failure;
e5497d76
JB		 15873
15874 nla_nest_end(msg, rekey_attr);
15875
3b7b72ee 15876 genlmsg_end(msg, hdr);
e5497d76 15877
68eb5503 15878 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 15879 NL80211_MCGRP_MLME, gfp);
e5497d76
JB		 15880 return;
15881
15882 nla_put_failure:
e5497d76
JB		 15883 nlmsg_free(msg);
15884}
15885
947add36
JB		 15886void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid,
15887 const u8 *replay_ctr, gfp_t gfp)
15888{
15889 struct wireless_dev *wdev = dev->ieee80211_ptr;
15890 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 15891 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
947add36
JB		 15892
15893 trace_cfg80211_gtk_rekey_notify(dev, bssid);
15894 nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp);
15895}
15896EXPORT_SYMBOL(cfg80211_gtk_rekey_notify);
15897
15898static void
15899nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev,
15900 struct net_device *netdev, int index,
15901 const u8 *bssid, bool preauth, gfp_t gfp)
c9df56b4
JM		 15902{
15903 struct sk_buff *msg;
15904 struct nlattr *attr;
15905 void *hdr;
15906
58050fce 15907 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
c9df56b4
JM		 15908 if (!msg)
15909 return;
15910
15911 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE);
15912 if (!hdr) {
15913 nlmsg_free(msg);
15914 return;
15915 }
15916
9360ffd1
DM		 15917 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15918 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
15919 goto nla_put_failure;
c9df56b4 15920
ae0be8de 15921 attr = nla_nest_start_noflag(msg, NL80211_ATTR_PMKSA_CANDIDATE);
c9df56b4
JM		 15922 if (!attr)
15923 goto nla_put_failure;
15924
9360ffd1
DM		 15925 if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) ||
15926 nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) ||
15927 (preauth &&
15928 nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH)))
15929 goto nla_put_failure;
c9df56b4
JM		 15930
15931 nla_nest_end(msg, attr);
15932
3b7b72ee 15933 genlmsg_end(msg, hdr);
c9df56b4 15934
68eb5503 15935 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 15936 NL80211_MCGRP_MLME, gfp);
c9df56b4
JM		 15937 return;
15938
15939 nla_put_failure:
c9df56b4
JM		 15940 nlmsg_free(msg);
15941}
15942
947add36
JB		 15943void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index,
15944 const u8 *bssid, bool preauth, gfp_t gfp)
15945{
15946 struct wireless_dev *wdev = dev->ieee80211_ptr;
15947 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 15948 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
947add36
JB		 15949
15950 trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth);
15951 nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp);
15952}
15953EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify);
15954
15955static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev,
15956 struct net_device *netdev,
15957 struct cfg80211_chan_def *chandef,
f8d7552e
LC		 15958 gfp_t gfp,
15959 enum nl80211_commands notif,
15960 u8 count)
5314526b
TP		 15961{
15962 struct sk_buff *msg;
15963 void *hdr;
15964
58050fce 15965 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
5314526b
TP		 15966 if (!msg)
15967 return;
15968
f8d7552e 15969 hdr = nl80211hdr_put(msg, 0, 0, 0, notif);
5314526b
TP		 15970 if (!hdr) {
15971 nlmsg_free(msg);
15972 return;
15973 }
15974
683b6d3b
JB		 15975 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
15976 goto nla_put_failure;
15977
15978 if (nl80211_send_chandef(msg, chandef))
7eab0f64 15979 goto nla_put_failure;
5314526b 15980
f8d7552e
LC		 15981 if ((notif == NL80211_CMD_CH_SWITCH_STARTED_NOTIFY) &&
15982 (nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT, count)))
15983 goto nla_put_failure;
15984
5314526b
TP		 15985 genlmsg_end(msg, hdr);
15986
68eb5503 15987 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 15988 NL80211_MCGRP_MLME, gfp);
5314526b
TP		 15989 return;
15990
15991 nla_put_failure:
5314526b
TP		 15992 nlmsg_free(msg);
15993}
15994
947add36
JB		 15995void cfg80211_ch_switch_notify(struct net_device *dev,
15996 struct cfg80211_chan_def *chandef)
84f10708 15997{
947add36
JB		 15998 struct wireless_dev *wdev = dev->ieee80211_ptr;
15999 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 16000 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
947add36 16001
e487eaeb 16002 ASSERT_WDEV_LOCK(wdev);
947add36 16003
e487eaeb 16004 trace_cfg80211_ch_switch_notify(dev, chandef);
947add36 16005
9e0e2961 16006 wdev->chandef = *chandef;
96f55f12 16007 wdev->preset_chandef = *chandef;
5dc8cdce
SM		 16008
16009 if (wdev->iftype == NL80211_IFTYPE_STATION &&
16010 !WARN_ON(!wdev->current_bss))
16011 wdev->current_bss->pub.channel = chandef->chan;
16012
f8d7552e
LC		 16013 nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL,
16014 NL80211_CMD_CH_SWITCH_NOTIFY, 0);
947add36
JB		 16015}
16016EXPORT_SYMBOL(cfg80211_ch_switch_notify);
16017
f8d7552e
LC		 16018void cfg80211_ch_switch_started_notify(struct net_device *dev,
16019 struct cfg80211_chan_def *chandef,
16020 u8 count)
16021{
16022 struct wireless_dev *wdev = dev->ieee80211_ptr;
16023 struct wiphy *wiphy = wdev->wiphy;
16024 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16025
16026 trace_cfg80211_ch_switch_started_notify(dev, chandef);
16027
16028 nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL,
16029 NL80211_CMD_CH_SWITCH_STARTED_NOTIFY, count);
16030}
16031EXPORT_SYMBOL(cfg80211_ch_switch_started_notify);
16032
04f39047
SW		 16033void
16034nl80211_radar_notify(struct cfg80211_registered_device *rdev,
d2859df5 16035 const struct cfg80211_chan_def *chandef,
04f39047
SW		 16036 enum nl80211_radar_event event,
16037 struct net_device *netdev, gfp_t gfp)
16038{
16039 struct sk_buff *msg;
16040 void *hdr;
16041
16042 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16043 if (!msg)
16044 return;
16045
16046 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT);
16047 if (!hdr) {
16048 nlmsg_free(msg);
16049 return;
16050 }
16051
16052 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
16053 goto nla_put_failure;
16054
16055 /* NOP and radar events don't need a netdev parameter */
16056 if (netdev) {
16057 struct wireless_dev *wdev = netdev->ieee80211_ptr;
16058
16059 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
2dad624e
ND		 16060 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16061 NL80211_ATTR_PAD))
04f39047
SW		 16062 goto nla_put_failure;
16063 }
16064
16065 if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event))
16066 goto nla_put_failure;
16067
16068 if (nl80211_send_chandef(msg, chandef))
16069 goto nla_put_failure;
16070
9c90a9f6 16071 genlmsg_end(msg, hdr);
04f39047 16072
68eb5503 16073 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 16074 NL80211_MCGRP_MLME, gfp);
04f39047
SW		 16075 return;
16076
16077 nla_put_failure:
04f39047
SW		 16078 nlmsg_free(msg);
16079}
16080
466b9936 16081void cfg80211_sta_opmode_change_notify(struct net_device *dev, const u8 *mac,
16082 struct sta_opmode_info *sta_opmode,
16083 gfp_t gfp)
16084{
16085 struct sk_buff *msg;
16086 struct wireless_dev *wdev = dev->ieee80211_ptr;
16087 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16088 void *hdr;
16089
16090 if (WARN_ON(!mac))
16091 return;
16092
16093 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16094 if (!msg)
16095 return;
16096
16097 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STA_OPMODE_CHANGED);
16098 if (!hdr) {
16099 nlmsg_free(msg);
16100 return;
16101 }
16102
16103 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
16104 goto nla_put_failure;
16105
16106 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
16107 goto nla_put_failure;
16108
16109 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
16110 goto nla_put_failure;
16111
16112 if ((sta_opmode->changed & STA_OPMODE_SMPS_MODE_CHANGED) &&
16113 nla_put_u8(msg, NL80211_ATTR_SMPS_MODE, sta_opmode->smps_mode))
16114 goto nla_put_failure;
16115
16116 if ((sta_opmode->changed & STA_OPMODE_MAX_BW_CHANGED) &&
16117 nla_put_u8(msg, NL80211_ATTR_CHANNEL_WIDTH, sta_opmode->bw))
16118 goto nla_put_failure;
16119
16120 if ((sta_opmode->changed & STA_OPMODE_N_SS_CHANGED) &&
16121 nla_put_u8(msg, NL80211_ATTR_NSS, sta_opmode->rx_nss))
16122 goto nla_put_failure;
16123
16124 genlmsg_end(msg, hdr);
16125
16126 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16127 NL80211_MCGRP_MLME, gfp);
16128
16129 return;
16130
16131nla_put_failure:
16132 nlmsg_free(msg);
16133}
16134EXPORT_SYMBOL(cfg80211_sta_opmode_change_notify);
16135
7f6cf311 16136void cfg80211_probe_status(struct net_device *dev, const u8 *addr,
c4b50cd3
VN		 16137 u64 cookie, bool acked, s32 ack_signal,
16138 bool is_valid_ack_signal, gfp_t gfp)
7f6cf311
JB		 16139{
16140 struct wireless_dev *wdev = dev->ieee80211_ptr;
f26cbf40 16141 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
7f6cf311
JB		 16142 struct sk_buff *msg;
16143 void *hdr;
7f6cf311 16144
4ee3e063
BL		 16145 trace_cfg80211_probe_status(dev, addr, cookie, acked);
16146
58050fce 16147 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
4ee3e063 16148
7f6cf311
JB		 16149 if (!msg)
16150 return;
16151
16152 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT);
16153 if (!hdr) {
16154 nlmsg_free(msg);
16155 return;
16156 }
16157
9360ffd1
DM		 16158 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16159 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16160 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
2dad624e
ND		 16161 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
16162 NL80211_ATTR_PAD) ||
c4b50cd3
VN		 16163 (acked && nla_put_flag(msg, NL80211_ATTR_ACK)) ||
16164 (is_valid_ack_signal && nla_put_s32(msg, NL80211_ATTR_ACK_SIGNAL,
16165 ack_signal)))
9360ffd1 16166 goto nla_put_failure;
7f6cf311 16167
9c90a9f6 16168 genlmsg_end(msg, hdr);
7f6cf311 16169
68eb5503 16170 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 16171 NL80211_MCGRP_MLME, gfp);
7f6cf311
JB		 16172 return;
16173
16174 nla_put_failure:
7f6cf311
JB		 16175 nlmsg_free(msg);
16176}
16177EXPORT_SYMBOL(cfg80211_probe_status);
16178
5e760230
JB		 16179void cfg80211_report_obss_beacon(struct wiphy *wiphy,
16180 const u8 *frame, size_t len,
37c73b5f 16181 int freq, int sig_dbm)
5e760230 16182{
f26cbf40 16183 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
5e760230
JB		 16184 struct sk_buff *msg;
16185 void *hdr;
37c73b5f 16186 struct cfg80211_beacon_registration *reg;
5e760230 16187
4ee3e063
BL		 16188 trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm);
16189
37c73b5f
BG		 16190 spin_lock_bh(&rdev->beacon_registrations_lock);
16191 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
16192 msg = nlmsg_new(len + 100, GFP_ATOMIC);
16193 if (!msg) {
16194 spin_unlock_bh(&rdev->beacon_registrations_lock);
16195 return;
16196 }
5e760230 16197
37c73b5f
BG		 16198 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
16199 if (!hdr)
16200 goto nla_put_failure;
5e760230 16201
37c73b5f
BG		 16202 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16203 (freq &&
16204 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) ||
16205 (sig_dbm &&
16206 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
16207 nla_put(msg, NL80211_ATTR_FRAME, len, frame))
16208 goto nla_put_failure;
5e760230 16209
37c73b5f 16210 genlmsg_end(msg, hdr);
5e760230 16211
37c73b5f
BG		 16212 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid);
16213 }
16214 spin_unlock_bh(&rdev->beacon_registrations_lock);
5e760230
JB		 16215 return;
16216
16217 nla_put_failure:
37c73b5f 16218 spin_unlock_bh(&rdev->beacon_registrations_lock);
5e760230
JB		 16219 nlmsg_free(msg);
16220}
16221EXPORT_SYMBOL(cfg80211_report_obss_beacon);
16222
cd8f7cb4 16223#ifdef CONFIG_PM
8cd4d456
LC		 16224static int cfg80211_net_detect_results(struct sk_buff *msg,
16225 struct cfg80211_wowlan_wakeup *wakeup)
16226{
16227 struct cfg80211_wowlan_nd_info *nd = wakeup->net_detect;
16228 struct nlattr *nl_results, *nl_match, *nl_freqs;
16229 int i, j;
16230
ae0be8de
MK		 16231 nl_results = nla_nest_start_noflag(msg,
16232 NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS);
8cd4d456
LC		 16233 if (!nl_results)
16234 return -EMSGSIZE;
16235
16236 for (i = 0; i < nd->n_matches; i++) {
16237 struct cfg80211_wowlan_nd_match *match = nd->matches[i];
16238
ae0be8de 16239 nl_match = nla_nest_start_noflag(msg, i);
8cd4d456
LC		 16240 if (!nl_match)
16241 break;
16242
16243 /* The SSID attribute is optional in nl80211, but for
16244 * simplicity reasons it's always present in the
16245 * cfg80211 structure. If a driver can't pass the
16246 * SSID, that needs to be changed. A zero length SSID
16247 * is still a valid SSID (wildcard), so it cannot be
16248 * used for this purpose.
16249 */
16250 if (nla_put(msg, NL80211_ATTR_SSID, match->ssid.ssid_len,
16251 match->ssid.ssid)) {
16252 nla_nest_cancel(msg, nl_match);
16253 goto out;
16254 }
16255
16256 if (match->n_channels) {
ae0be8de
MK		 16257 nl_freqs = nla_nest_start_noflag(msg,
16258 NL80211_ATTR_SCAN_FREQUENCIES);
8cd4d456
LC		 16259 if (!nl_freqs) {
16260 nla_nest_cancel(msg, nl_match);
16261 goto out;
16262 }
16263
16264 for (j = 0; j < match->n_channels; j++) {
5528fae8 16265 if (nla_put_u32(msg, j, match->channels[j])) {
8cd4d456
LC		 16266 nla_nest_cancel(msg, nl_freqs);
16267 nla_nest_cancel(msg, nl_match);
16268 goto out;
16269 }
16270 }
16271
16272 nla_nest_end(msg, nl_freqs);
16273 }
16274
16275 nla_nest_end(msg, nl_match);
16276 }
16277
16278out:
16279 nla_nest_end(msg, nl_results);
16280 return 0;
16281}
16282
cd8f7cb4
JB		 16283void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev,
16284 struct cfg80211_wowlan_wakeup *wakeup,
16285 gfp_t gfp)
16286{
f26cbf40 16287 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
cd8f7cb4
JB		 16288 struct sk_buff *msg;
16289 void *hdr;
9c90a9f6 16290 int size = 200;
cd8f7cb4
JB		 16291
16292 trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup);
16293
16294 if (wakeup)
16295 size += wakeup->packet_present_len;
16296
16297 msg = nlmsg_new(size, gfp);
16298 if (!msg)
16299 return;
16300
16301 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN);
16302 if (!hdr)
16303 goto free_msg;
16304
16305 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
2dad624e
ND		 16306 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16307 NL80211_ATTR_PAD))
cd8f7cb4
JB		 16308 goto free_msg;
16309
16310 if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
16311 wdev->netdev->ifindex))
16312 goto free_msg;
16313
16314 if (wakeup) {
16315 struct nlattr *reasons;
16316
ae0be8de
MK		 16317 reasons = nla_nest_start_noflag(msg,
16318 NL80211_ATTR_WOWLAN_TRIGGERS);
7fa322c8
JB		 16319 if (!reasons)
16320 goto free_msg;
cd8f7cb4
JB		 16321
16322 if (wakeup->disconnect &&
16323 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT))
16324 goto free_msg;
16325 if (wakeup->magic_pkt &&
16326 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT))
16327 goto free_msg;
16328 if (wakeup->gtk_rekey_failure &&
16329 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE))
16330 goto free_msg;
16331 if (wakeup->eap_identity_req &&
16332 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST))
16333 goto free_msg;
16334 if (wakeup->four_way_handshake &&
16335 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE))
16336 goto free_msg;
16337 if (wakeup->rfkill_release &&
16338 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))
16339 goto free_msg;
16340
16341 if (wakeup->pattern_idx >= 0 &&
16342 nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
16343 wakeup->pattern_idx))
16344 goto free_msg;
16345
ae917c9f
JB		 16346 if (wakeup->tcp_match &&
16347 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH))
16348 goto free_msg;
2a0e047e 16349
ae917c9f
JB		 16350 if (wakeup->tcp_connlost &&
16351 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST))
16352 goto free_msg;
2a0e047e 16353
ae917c9f
JB		 16354 if (wakeup->tcp_nomoretokens &&
16355 nla_put_flag(msg,
16356 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS))
16357 goto free_msg;
2a0e047e 16358
cd8f7cb4
JB		 16359 if (wakeup->packet) {
16360 u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211;
16361 u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN;
16362
16363 if (!wakeup->packet_80211) {
16364 pkt_attr =
16365 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023;
16366 len_attr =
16367 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN;
16368 }
16369
16370 if (wakeup->packet_len &&
16371 nla_put_u32(msg, len_attr, wakeup->packet_len))
16372 goto free_msg;
16373
16374 if (nla_put(msg, pkt_attr, wakeup->packet_present_len,
16375 wakeup->packet))
16376 goto free_msg;
16377 }
16378
8cd4d456
LC		 16379 if (wakeup->net_detect &&
16380 cfg80211_net_detect_results(msg, wakeup))
16381 goto free_msg;
16382
cd8f7cb4
JB		 16383 nla_nest_end(msg, reasons);
16384 }
16385
9c90a9f6 16386 genlmsg_end(msg, hdr);
cd8f7cb4 16387
68eb5503 16388 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 16389 NL80211_MCGRP_MLME, gfp);
cd8f7cb4
JB		 16390 return;
16391
16392 free_msg:
16393 nlmsg_free(msg);
16394}
16395EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup);
16396#endif
16397
3475b094
JM		 16398void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer,
16399 enum nl80211_tdls_operation oper,
16400 u16 reason_code, gfp_t gfp)
16401{
16402 struct wireless_dev *wdev = dev->ieee80211_ptr;
f26cbf40 16403 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
3475b094
JM		 16404 struct sk_buff *msg;
16405 void *hdr;
3475b094
JM		 16406
16407 trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper,
16408 reason_code);
16409
16410 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16411 if (!msg)
16412 return;
16413
16414 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER);
16415 if (!hdr) {
16416 nlmsg_free(msg);
16417 return;
16418 }
16419
16420 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16421 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16422 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) ||
16423 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) ||
16424 (reason_code > 0 &&
16425 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code)))
16426 goto nla_put_failure;
16427
9c90a9f6 16428 genlmsg_end(msg, hdr);
3475b094 16429
68eb5503 16430 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 16431 NL80211_MCGRP_MLME, gfp);
3475b094
JM		 16432 return;
16433
16434 nla_put_failure:
3475b094
JM		 16435 nlmsg_free(msg);
16436}
16437EXPORT_SYMBOL(cfg80211_tdls_oper_request);
16438
026331c4
JM		 16439static int nl80211_netlink_notify(struct notifier_block * nb,
16440 unsigned long state,
16441 void *_notify)
16442{
16443 struct netlink_notify *notify = _notify;
16444 struct cfg80211_registered_device *rdev;
16445 struct wireless_dev *wdev;
37c73b5f 16446 struct cfg80211_beacon_registration *reg, *tmp;
026331c4 16447
8f815cdd 16448 if (state != NETLINK_URELEASE || notify->protocol != NETLINK_GENERIC)
026331c4
JM		 16449 return NOTIFY_DONE;
16450
16451 rcu_read_lock();
16452
5e760230 16453 list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) {
ca986ad9 16454 struct cfg80211_sched_scan_request *sched_scan_req;
753aacfd 16455
ca986ad9
AVS		 16456 list_for_each_entry_rcu(sched_scan_req,
16457 &rdev->sched_scan_req_list,
16458 list) {
16459 if (sched_scan_req->owner_nlportid == notify->portid) {
16460 sched_scan_req->nl_owner_dead = true;
753aacfd 16461 schedule_work(&rdev->sched_scan_stop_wk);
ca986ad9 16462 }
753aacfd 16463 }
78f22b6a 16464
53873f13 16465 list_for_each_entry_rcu(wdev, &rdev->wiphy.wdev_list, list) {
15e47304 16466 cfg80211_mlme_unregister_socket(wdev, notify->portid);
37c73b5f 16467
ab81007a
JB		 16468 if (wdev->owner_nlportid == notify->portid) {
16469 wdev->nl_owner_dead = true;
16470 schedule_work(&rdev->destroy_work);
16471 } else if (wdev->conn_owner_nlportid == notify->portid) {
bd2522b1 16472 schedule_work(&wdev->disconnect_wk);
ab81007a 16473 }
9bb7e0f2
JB		 16474
16475 cfg80211_release_pmsr(wdev, notify->portid);
78f22b6a
JB		 16476 }
16477
37c73b5f
BG		 16478 spin_lock_bh(&rdev->beacon_registrations_lock);
16479 list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations,
16480 list) {
16481 if (reg->nlportid == notify->portid) {
16482 list_del(&reg->list);
16483 kfree(reg);
16484 break;
16485 }
16486 }
16487 spin_unlock_bh(&rdev->beacon_registrations_lock);
5e760230 16488 }
026331c4
JM		 16489
16490 rcu_read_unlock();
16491
05050753
I		 16492 /*
16493 * It is possible that the user space process that is controlling the
16494 * indoor setting disappeared, so notify the regulatory core.
16495 */
16496 regulatory_netlink_notify(notify->portid);
6784c7db 16497 return NOTIFY_OK;
026331c4
JM		 16498}
16499
16500static struct notifier_block nl80211_netlink_notifier = {
16501 .notifier_call = nl80211_netlink_notify,
16502};
16503
355199e0
JM		 16504void cfg80211_ft_event(struct net_device *netdev,
16505 struct cfg80211_ft_event_params *ft_event)
16506{
16507 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
f26cbf40 16508 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
355199e0
JM		 16509 struct sk_buff *msg;
16510 void *hdr;
355199e0
JM		 16511
16512 trace_cfg80211_ft_event(wiphy, netdev, ft_event);
16513
16514 if (!ft_event->target_ap)
16515 return;
16516
1039d081
DL		 16517 msg = nlmsg_new(100 + ft_event->ies_len + ft_event->ric_ies_len,
16518 GFP_KERNEL);
355199e0
JM		 16519 if (!msg)
16520 return;
16521
16522 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT);
ae917c9f
JB		 16523 if (!hdr)
16524 goto out;
355199e0 16525
ae917c9f
JB		 16526 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16527 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16528 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap))
16529 goto out;
355199e0 16530
ae917c9f
JB		 16531 if (ft_event->ies &&
16532 nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies))
16533 goto out;
16534 if (ft_event->ric_ies &&
16535 nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len,
16536 ft_event->ric_ies))
16537 goto out;
355199e0 16538
9c90a9f6 16539 genlmsg_end(msg, hdr);
355199e0 16540
68eb5503 16541 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 16542 NL80211_MCGRP_MLME, GFP_KERNEL);
ae917c9f
JB		 16543 return;
16544 out:
16545 nlmsg_free(msg);
355199e0
JM		 16546}
16547EXPORT_SYMBOL(cfg80211_ft_event);
16548
5de17984
AS		 16549void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp)
16550{
16551 struct cfg80211_registered_device *rdev;
16552 struct sk_buff *msg;
16553 void *hdr;
16554 u32 nlportid;
16555
f26cbf40 16556 rdev = wiphy_to_rdev(wdev->wiphy);
5de17984
AS		 16557 if (!rdev->crit_proto_nlportid)
16558 return;
16559
16560 nlportid = rdev->crit_proto_nlportid;
16561 rdev->crit_proto_nlportid = 0;
16562
16563 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16564 if (!msg)
16565 return;
16566
16567 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP);
16568 if (!hdr)
16569 goto nla_put_failure;
16570
16571 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
2dad624e
ND		 16572 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16573 NL80211_ATTR_PAD))
5de17984
AS		 16574 goto nla_put_failure;
16575
16576 genlmsg_end(msg, hdr);
16577
16578 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
16579 return;
16580
16581 nla_put_failure:
5de17984 16582 nlmsg_free(msg);
5de17984
AS		 16583}
16584EXPORT_SYMBOL(cfg80211_crit_proto_stopped);
16585
348baf0e
JB		 16586void nl80211_send_ap_stopped(struct wireless_dev *wdev)
16587{
16588 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 16589 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
348baf0e
JB		 16590 struct sk_buff *msg;
16591 void *hdr;
16592
16593 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
16594 if (!msg)
16595 return;
16596
16597 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STOP_AP);
16598 if (!hdr)
16599 goto out;
16600
16601 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16602 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex) ||
2dad624e
ND		 16603 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16604 NL80211_ATTR_PAD))
348baf0e
JB		 16605 goto out;
16606
16607 genlmsg_end(msg, hdr);
16608
16609 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(wiphy), msg, 0,
16610 NL80211_MCGRP_MLME, GFP_KERNEL);
16611 return;
16612 out:
16613 nlmsg_free(msg);
16614}
16615
40cbfa90
SD		 16616int cfg80211_external_auth_request(struct net_device *dev,
16617 struct cfg80211_external_auth_params *params,
16618 gfp_t gfp)
16619{
16620 struct wireless_dev *wdev = dev->ieee80211_ptr;
16621 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16622 struct sk_buff *msg;
16623 void *hdr;
16624
16625 if (!wdev->conn_owner_nlportid)
16626 return -EINVAL;
16627
16628 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16629 if (!msg)
16630 return -ENOMEM;
16631
16632 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_EXTERNAL_AUTH);
16633 if (!hdr)
16634 goto nla_put_failure;
16635
16636 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16637 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16638 nla_put_u32(msg, NL80211_ATTR_AKM_SUITES, params->key_mgmt_suite) ||
16639 nla_put_u32(msg, NL80211_ATTR_EXTERNAL_AUTH_ACTION,
16640 params->action) ||
16641 nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, params->bssid) ||
16642 nla_put(msg, NL80211_ATTR_SSID, params->ssid.ssid_len,
16643 params->ssid.ssid))
16644 goto nla_put_failure;
16645
16646 genlmsg_end(msg, hdr);
16647 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
16648 wdev->conn_owner_nlportid);
16649 return 0;
16650
16651 nla_put_failure:
16652 nlmsg_free(msg);
16653 return -ENOBUFS;
16654}
16655EXPORT_SYMBOL(cfg80211_external_auth_request);
16656
cb74e977
SD		 16657void cfg80211_update_owe_info_event(struct net_device *netdev,
16658 struct cfg80211_update_owe_info *owe_info,
16659 gfp_t gfp)
16660{
16661 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
16662 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16663 struct sk_buff *msg;
16664 void *hdr;
16665
16666 trace_cfg80211_update_owe_info_event(wiphy, netdev, owe_info);
16667
16668 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16669 if (!msg)
16670 return;
16671
16672 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_UPDATE_OWE_INFO);
16673 if (!hdr)
16674 goto nla_put_failure;
16675
16676 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16677 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16678 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, owe_info->peer))
16679 goto nla_put_failure;
16680
16681 if (!owe_info->ie_len ||
16682 nla_put(msg, NL80211_ATTR_IE, owe_info->ie_len, owe_info->ie))
16683 goto nla_put_failure;
16684
16685 genlmsg_end(msg, hdr);
16686
16687 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16688 NL80211_MCGRP_MLME, gfp);
16689 return;
16690
16691nla_put_failure:
16692 genlmsg_cancel(msg, hdr);
16693 nlmsg_free(msg);
16694}
16695EXPORT_SYMBOL(cfg80211_update_owe_info_event);
16696
55682965
JB		 16697/* initialisation/exit functions */
16698
56989f6d 16699int __init nl80211_init(void)
55682965 16700{
0d63cbb5 16701 int err;
55682965 16702
489111e5 16703 err = genl_register_family(&nl80211_fam);
55682965
JB		 16704 if (err)
16705 return err;
16706
026331c4
JM		 16707 err = netlink_register_notifier(&nl80211_netlink_notifier);
16708 if (err)
16709 goto err_out;
16710
55682965
JB		 16711 return 0;
16712 err_out:
16713 genl_unregister_family(&nl80211_fam);
16714 return err;
16715}
16716
16717void nl80211_exit(void)
16718{
026331c4 16719 netlink_unregister_notifier(&nl80211_netlink_notifier);
55682965
JB		 16720 genl_unregister_family(&nl80211_fam);
16721}
Linux 6.x block layer and io_uring tree(s)