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[thirdparty/kernel/stable.git] / net / wireless / nl80211.c
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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
e007b857
EP		 307 [NL80211_ATTR_MAC] = { .len = ETH_ALEN },
308 [NL80211_ATTR_PREV_BSSID] = { .len = ETH_ALEN },
41ade00f 309
b9454e83 310 [NL80211_ATTR_KEY] = { .type = NLA_NESTED, },
41ade00f
JB		 311 [NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY,
312 .len = WLAN_MAX_KEY_LEN },
ab0d76f6 313 [NL80211_ATTR_KEY_IDX] = NLA_POLICY_MAX(NLA_U8, 5),
41ade00f
JB		 314 [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 },
315 [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG },
81962267 316 [NL80211_ATTR_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
ab0d76f6
JB		 317 [NL80211_ATTR_KEY_TYPE] =
318 NLA_POLICY_MAX(NLA_U32, NUM_NL80211_KEYTYPES),
ed1b6cc7
JB		 319
320 [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 },
321 [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 },
322 [NL80211_ATTR_BEACON_HEAD] = { .type = NLA_BINARY,
323 .len = IEEE80211_MAX_DATA_LEN },
3d7af878
JB		 324 [NL80211_ATTR_BEACON_TAIL] =
325 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
326 IEEE80211_MAX_DATA_LEN),
ab0d76f6
JB		 327 [NL80211_ATTR_STA_AID] =
328 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
5727ef1b
JB		 329 [NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED },
330 [NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 },
331 [NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY,
332 .len = NL80211_MAX_SUPP_RATES },
ab0d76f6
JB		 333 [NL80211_ATTR_STA_PLINK_ACTION] =
334 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_PLINK_ACTIONS - 1),
e96d1cd2
ARN		 335 [NL80211_ATTR_STA_TX_POWER_SETTING] =
336 NLA_POLICY_RANGE(NLA_U8,
337 NL80211_TX_POWER_AUTOMATIC,
338 NL80211_TX_POWER_FIXED),
339 [NL80211_ATTR_STA_TX_POWER] = { .type = NLA_S16 },
5727ef1b 340 [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 },
0a9542ee 341 [NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ },
2ec600d6 342 [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY,
a4f606ea 343 .len = IEEE80211_MAX_MESH_ID_LEN },
2ec600d6 344 [NL80211_ATTR_MPATH_NEXT_HOP] = { .type = NLA_U32 },
9f1ba906 345
b2e1b302
LR		 346 [NL80211_ATTR_REG_ALPHA2] = { .type = NLA_STRING, .len = 2 },
347 [NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED },
348
9f1ba906
JM		 349 [NL80211_ATTR_BSS_CTS_PROT] = { .type = NLA_U8 },
350 [NL80211_ATTR_BSS_SHORT_PREAMBLE] = { .type = NLA_U8 },
351 [NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 },
90c97a04
JM		 352 [NL80211_ATTR_BSS_BASIC_RATES] = { .type = NLA_BINARY,
353 .len = NL80211_MAX_SUPP_RATES },
50b12f59 354 [NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 },
36aedc90 355
24bdd9f4 356 [NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED },
15d5dda6 357 [NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG },
93da9cc1 358
6c739419 359 [NL80211_ATTR_HT_CAPABILITY] = { .len = NL80211_HT_CAPABILITY_LEN },
9aed3cc1
JM		 360
361 [NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 },
3d7af878
JB		 362 [NL80211_ATTR_IE] = NLA_POLICY_VALIDATE_FN(NLA_BINARY,
363 validate_ie_attr,
364 IEEE80211_MAX_DATA_LEN),
2a519311
JB		 365 [NL80211_ATTR_SCAN_FREQUENCIES] = { .type = NLA_NESTED },
366 [NL80211_ATTR_SCAN_SSIDS] = { .type = NLA_NESTED },
636a5d36
JM		 367
368 [NL80211_ATTR_SSID] = { .type = NLA_BINARY,
369 .len = IEEE80211_MAX_SSID_LEN },
370 [NL80211_ATTR_AUTH_TYPE] = { .type = NLA_U32 },
371 [NL80211_ATTR_REASON_CODE] = { .type = NLA_U16 },
04a773ad 372 [NL80211_ATTR_FREQ_FIXED] = { .type = NLA_FLAG },
1965c853 373 [NL80211_ATTR_TIMED_OUT] = { .type = NLA_FLAG },
ab0d76f6
JB		 374 [NL80211_ATTR_USE_MFP] = NLA_POLICY_RANGE(NLA_U32,
375 NL80211_MFP_NO,
376 NL80211_MFP_OPTIONAL),
eccb8e8f
JB		 377 [NL80211_ATTR_STA_FLAGS2] = {
378 .len = sizeof(struct nl80211_sta_flag_update),
379 },
3f77316c 380 [NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG },
c0692b8f
JB		 381 [NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 },
382 [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG },
64bf3d4b 383 [NL80211_ATTR_CONTROL_PORT_OVER_NL80211] = { .type = NLA_FLAG },
b23aa676
SO		 384 [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG },
385 [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 },
386 [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 },
463d0183 387 [NL80211_ATTR_PID] = { .type = NLA_U32 },
8b787643 388 [NL80211_ATTR_4ADDR] = { .type = NLA_U8 },
9361df14 389 [NL80211_ATTR_PMKID] = { .len = WLAN_PMKID_LEN },
9588bbd5
JM		 390 [NL80211_ATTR_DURATION] = { .type = NLA_U32 },
391 [NL80211_ATTR_COOKIE] = { .type = NLA_U64 },
13ae75b1 392 [NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED },
026331c4
JM		 393 [NL80211_ATTR_FRAME] = { .type = NLA_BINARY,
394 .len = IEEE80211_MAX_DATA_LEN },
395 [NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, },
ab0d76f6
JB		 396 [NL80211_ATTR_PS_STATE] = NLA_POLICY_RANGE(NLA_U32,
397 NL80211_PS_DISABLED,
398 NL80211_PS_ENABLED),
d6dc1a38 399 [NL80211_ATTR_CQM] = { .type = NLA_NESTED, },
d5cdfacb 400 [NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG },
fd8aaaf3 401 [NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 },
98d2ff8b
JO		 402 [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 },
403 [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 },
2e161f78 404 [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 },
afe0cbf8
BR		 405 [NL80211_ATTR_WIPHY_ANTENNA_TX] = { .type = NLA_U32 },
406 [NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 },
885a46d0 407 [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 },
f7ca38df 408 [NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG },
dbd2fd65 409 [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
ff1b6e69 410 [NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED },
ab0d76f6
JB		 411 [NL80211_ATTR_STA_PLINK_STATE] =
412 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_PLINK_STATES - 1),
413 [NL80211_ATTR_MESH_PEER_AID] =
414 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
bbe6ad6d 415 [NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 },
e5497d76 416 [NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED },
34850ab2 417 [NL80211_ATTR_SCAN_SUPP_RATES] = { .type = NLA_NESTED },
ab0d76f6
JB		 418 [NL80211_ATTR_HIDDEN_SSID] =
419 NLA_POLICY_RANGE(NLA_U32,
420 NL80211_HIDDEN_SSID_NOT_IN_USE,
421 NL80211_HIDDEN_SSID_ZERO_CONTENTS),
3d7af878
JB		 422 [NL80211_ATTR_IE_PROBE_RESP] =
423 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
424 IEEE80211_MAX_DATA_LEN),
425 [NL80211_ATTR_IE_ASSOC_RESP] =
426 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
427 IEEE80211_MAX_DATA_LEN),
f4b34b55 428 [NL80211_ATTR_ROAM_SUPPORT] = { .type = NLA_FLAG },
a1f1c21c 429 [NL80211_ATTR_SCHED_SCAN_MATCH] = { .type = NLA_NESTED },
e9f935e3 430 [NL80211_ATTR_TX_NO_CCK_RATE] = { .type = NLA_FLAG },
109086ce
AN		 431 [NL80211_ATTR_TDLS_ACTION] = { .type = NLA_U8 },
432 [NL80211_ATTR_TDLS_DIALOG_TOKEN] = { .type = NLA_U8 },
433 [NL80211_ATTR_TDLS_OPERATION] = { .type = NLA_U8 },
434 [NL80211_ATTR_TDLS_SUPPORT] = { .type = NLA_FLAG },
435 [NL80211_ATTR_TDLS_EXTERNAL_SETUP] = { .type = NLA_FLAG },
31fa97c5 436 [NL80211_ATTR_TDLS_INITIATOR] = { .type = NLA_FLAG },
e247bd90 437 [NL80211_ATTR_DONT_WAIT_FOR_ACK] = { .type = NLA_FLAG },
00f740e1
AN		 438 [NL80211_ATTR_PROBE_RESP] = { .type = NLA_BINARY,
439 .len = IEEE80211_MAX_DATA_LEN },
8b60b078 440 [NL80211_ATTR_DFS_REGION] = { .type = NLA_U8 },
7e7c8926
BG		 441 [NL80211_ATTR_DISABLE_HT] = { .type = NLA_FLAG },
442 [NL80211_ATTR_HT_CAPABILITY_MASK] = {
443 .len = NL80211_HT_CAPABILITY_LEN
444 },
1d9d9213 445 [NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 },
1b658f11 446 [NL80211_ATTR_INACTIVITY_TIMEOUT] = { .type = NLA_U16 },
4486ea98 447 [NL80211_ATTR_BG_SCAN_PERIOD] = { .type = NLA_U16 },
89a54e48 448 [NL80211_ATTR_WDEV] = { .type = NLA_U64 },
57b5ce07 449 [NL80211_ATTR_USER_REG_HINT_TYPE] = { .type = NLA_U32 },
11b6b5a4 450 [NL80211_ATTR_AUTH_DATA] = { .type = NLA_BINARY, },
f461be3e 451 [NL80211_ATTR_VHT_CAPABILITY] = { .len = NL80211_VHT_CAPABILITY_LEN },
ed473771 452 [NL80211_ATTR_SCAN_FLAGS] = { .type = NLA_U32 },
ab0d76f6
JB		 453 [NL80211_ATTR_P2P_CTWINDOW] = NLA_POLICY_MAX(NLA_U8, 127),
454 [NL80211_ATTR_P2P_OPPPS] = NLA_POLICY_MAX(NLA_U8, 1),
455 [NL80211_ATTR_LOCAL_MESH_POWER_MODE] =
456 NLA_POLICY_RANGE(NLA_U32,
457 NL80211_MESH_POWER_UNKNOWN + 1,
458 NL80211_MESH_POWER_MAX),
77765eaf
VT		 459 [NL80211_ATTR_ACL_POLICY] = {. type = NLA_U32 },
460 [NL80211_ATTR_MAC_ADDRS] = { .type = NLA_NESTED },
9d62a986
JM		 461 [NL80211_ATTR_STA_CAPABILITY] = { .type = NLA_U16 },
462 [NL80211_ATTR_STA_EXT_CAPABILITY] = { .type = NLA_BINARY, },
3713b4e3 463 [NL80211_ATTR_SPLIT_WIPHY_DUMP] = { .type = NLA_FLAG, },
ee2aca34
JB		 464 [NL80211_ATTR_DISABLE_VHT] = { .type = NLA_FLAG },
465 [NL80211_ATTR_VHT_CAPABILITY_MASK] = {
466 .len = NL80211_VHT_CAPABILITY_LEN,
467 },
355199e0
JM		 468 [NL80211_ATTR_MDID] = { .type = NLA_U16 },
469 [NL80211_ATTR_IE_RIC] = { .type = NLA_BINARY,
470 .len = IEEE80211_MAX_DATA_LEN },
ab0d76f6
JB		 471 [NL80211_ATTR_PEER_AID] =
472 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
16ef1fe2
SW		 473 [NL80211_ATTR_CH_SWITCH_COUNT] = { .type = NLA_U32 },
474 [NL80211_ATTR_CH_SWITCH_BLOCK_TX] = { .type = NLA_FLAG },
475 [NL80211_ATTR_CSA_IES] = { .type = NLA_NESTED },
9a774c78
AO		 476 [NL80211_ATTR_CSA_C_OFF_BEACON] = { .type = NLA_BINARY },
477 [NL80211_ATTR_CSA_C_OFF_PRESP] = { .type = NLA_BINARY },
c01fc9ad
SD		 478 [NL80211_ATTR_STA_SUPPORTED_CHANNELS] = { .type = NLA_BINARY },
479 [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES] = { .type = NLA_BINARY },
5336fa88 480 [NL80211_ATTR_HANDLE_DFS] = { .type = NLA_FLAG },
60f4a7b1 481 [NL80211_ATTR_OPMODE_NOTIF] = { .type = NLA_U8 },
ad7e718c
JB		 482 [NL80211_ATTR_VENDOR_ID] = { .type = NLA_U32 },
483 [NL80211_ATTR_VENDOR_SUBCMD] = { .type = NLA_U32 },
484 [NL80211_ATTR_VENDOR_DATA] = { .type = NLA_BINARY },
fa9ffc74
KP		 485 [NL80211_ATTR_QOS_MAP] = { .type = NLA_BINARY,
486 .len = IEEE80211_QOS_MAP_LEN_MAX },
1df4a510
JM		 487 [NL80211_ATTR_MAC_HINT] = { .len = ETH_ALEN },
488 [NL80211_ATTR_WIPHY_FREQ_HINT] = { .type = NLA_U32 },
df942e7b 489 [NL80211_ATTR_TDLS_PEER_CAPABILITY] = { .type = NLA_U32 },
18e5ca65 490 [NL80211_ATTR_SOCKET_OWNER] = { .type = NLA_FLAG },
34d22ce2 491 [NL80211_ATTR_CSA_C_OFFSETS_TX] = { .type = NLA_BINARY },
bab5ab7d 492 [NL80211_ATTR_USE_RRM] = { .type = NLA_FLAG },
ab0d76f6
JB		 493 [NL80211_ATTR_TSID] = NLA_POLICY_MAX(NLA_U8, IEEE80211_NUM_TIDS - 1),
494 [NL80211_ATTR_USER_PRIO] =
495 NLA_POLICY_MAX(NLA_U8, IEEE80211_NUM_UPS - 1),
960d01ac 496 [NL80211_ATTR_ADMITTED_TIME] = { .type = NLA_U16 },
18998c38 497 [NL80211_ATTR_SMPS_MODE] = { .type = NLA_U8 },
ad2b26ab 498 [NL80211_ATTR_MAC_MASK] = { .len = ETH_ALEN },
1bdd716c 499 [NL80211_ATTR_WIPHY_SELF_MANAGED_REG] = { .type = NLA_FLAG },
4b681c82 500 [NL80211_ATTR_NETNS_FD] = { .type = NLA_U32 },
9c748934 501 [NL80211_ATTR_SCHED_SCAN_DELAY] = { .type = NLA_U32 },
05050753 502 [NL80211_ATTR_REG_INDOOR] = { .type = NLA_FLAG },
34d50519 503 [NL80211_ATTR_PBSS] = { .type = NLA_FLAG },
38de03d2 504 [NL80211_ATTR_BSS_SELECT] = { .type = NLA_NESTED },
ab0d76f6
JB		 505 [NL80211_ATTR_STA_SUPPORT_P2P_PS] =
506 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_P2P_PS_STATUS - 1),
c6e6a0c8
AE		 507 [NL80211_ATTR_MU_MIMO_GROUP_DATA] = {
508 .len = VHT_MUMIMO_GROUPS_DATA_LEN
509 },
510 [NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR] = { .len = ETH_ALEN },
ab0d76f6 511 [NL80211_ATTR_NAN_MASTER_PREF] = NLA_POLICY_MIN(NLA_U8, 1),
8585989d 512 [NL80211_ATTR_BANDS] = { .type = NLA_U32 },
a442b761 513 [NL80211_ATTR_NAN_FUNC] = { .type = NLA_NESTED },
348bd456
JM		 514 [NL80211_ATTR_FILS_KEK] = { .type = NLA_BINARY,
515 .len = FILS_MAX_KEK_LEN },
516 [NL80211_ATTR_FILS_NONCES] = { .len = 2 * FILS_NONCE_LEN },
ce0ce13a 517 [NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED] = { .type = NLA_FLAG, },
2fa436b3 518 [NL80211_ATTR_BSSID] = { .len = ETH_ALEN },
bf95ecdb 519 [NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] = { .type = NLA_S8 },
520 [NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST] = {
521 .len = sizeof(struct nl80211_bss_select_rssi_adjust)
522 },
3093ebbe 523 [NL80211_ATTR_TIMEOUT_REASON] = { .type = NLA_U32 },
a3caf744
VK		 524 [NL80211_ATTR_FILS_ERP_USERNAME] = { .type = NLA_BINARY,
525 .len = FILS_ERP_MAX_USERNAME_LEN },
526 [NL80211_ATTR_FILS_ERP_REALM] = { .type = NLA_BINARY,
527 .len = FILS_ERP_MAX_REALM_LEN },
528 [NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] = { .type = NLA_U16 },
529 [NL80211_ATTR_FILS_ERP_RRK] = { .type = NLA_BINARY,
530 .len = FILS_ERP_MAX_RRK_LEN },
531 [NL80211_ATTR_FILS_CACHE_ID] = { .len = 2 },
532 [NL80211_ATTR_PMK] = { .type = NLA_BINARY, .len = PMK_MAX_LEN },
ca986ad9 533 [NL80211_ATTR_SCHED_SCAN_MULTI] = { .type = NLA_FLAG },
40cbfa90 534 [NL80211_ATTR_EXTERNAL_AUTH_SUPPORT] = { .type = NLA_FLAG },
52539ca8
THJ		 535
536 [NL80211_ATTR_TXQ_LIMIT] = { .type = NLA_U32 },
537 [NL80211_ATTR_TXQ_MEMORY_LIMIT] = { .type = NLA_U32 },
538 [NL80211_ATTR_TXQ_QUANTUM] = { .type = NLA_U32 },
c4cbaf79
LC		 539 [NL80211_ATTR_HE_CAPABILITY] = { .type = NLA_BINARY,
540 .len = NL80211_HE_MAX_CAPABILITY_LEN },
81e54d08
PKC		 541
542 [NL80211_ATTR_FTM_RESPONDER] = {
543 .type = NLA_NESTED,
544 .validation_data = nl80211_ftm_responder_policy,
545 },
9bb7e0f2
JB		 546 [NL80211_ATTR_TIMEOUT] = NLA_POLICY_MIN(NLA_U32, 1),
547 [NL80211_ATTR_PEER_MEASUREMENTS] =
23323289 548 NLA_POLICY_NESTED(nl80211_pmsr_attr_policy),
36647055 549 [NL80211_ATTR_AIRTIME_WEIGHT] = NLA_POLICY_MIN(NLA_U16, 1),
55682965
JB		 550};
551
e31b8213 552/* policy for the key attributes */
b54452b0 553static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = {
fffd0934 554 [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN },
b9454e83
JB		 555 [NL80211_KEY_IDX] = { .type = NLA_U8 },
556 [NL80211_KEY_CIPHER] = { .type = NLA_U32 },
81962267 557 [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
b9454e83
JB		 558 [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG },
559 [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG },
ab0d76f6 560 [NL80211_KEY_TYPE] = NLA_POLICY_MAX(NLA_U32, NUM_NL80211_KEYTYPES - 1),
dbd2fd65 561 [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
6cdd3979 562 [NL80211_KEY_MODE] = NLA_POLICY_RANGE(NLA_U8, 0, NL80211_KEY_SET_TX),
dbd2fd65
JB		 563};
564
565/* policy for the key default flags */
566static const struct nla_policy
567nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = {
568 [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG },
569 [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG },
b9454e83
JB		 570};
571
f83ace3b 572#ifdef CONFIG_PM
ff1b6e69
JB		 573/* policy for WoWLAN attributes */
574static const struct nla_policy
575nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = {
576 [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG },
577 [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG },
578 [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG },
579 [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED },
77dbbb13
JB		 580 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG },
581 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG },
582 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG },
583 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG },
2a0e047e 584 [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED },
8cd4d456 585 [NL80211_WOWLAN_TRIG_NET_DETECT] = { .type = NLA_NESTED },
2a0e047e
JB		 586};
587
588static const struct nla_policy
589nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = {
590 [NL80211_WOWLAN_TCP_SRC_IPV4] = { .type = NLA_U32 },
591 [NL80211_WOWLAN_TCP_DST_IPV4] = { .type = NLA_U32 },
592 [NL80211_WOWLAN_TCP_DST_MAC] = { .len = ETH_ALEN },
593 [NL80211_WOWLAN_TCP_SRC_PORT] = { .type = NLA_U16 },
594 [NL80211_WOWLAN_TCP_DST_PORT] = { .type = NLA_U16 },
595 [NL80211_WOWLAN_TCP_DATA_PAYLOAD] = { .len = 1 },
596 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ] = {
597 .len = sizeof(struct nl80211_wowlan_tcp_data_seq)
598 },
599 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN] = {
600 .len = sizeof(struct nl80211_wowlan_tcp_data_token)
601 },
602 [NL80211_WOWLAN_TCP_DATA_INTERVAL] = { .type = NLA_U32 },
603 [NL80211_WOWLAN_TCP_WAKE_PAYLOAD] = { .len = 1 },
604 [NL80211_WOWLAN_TCP_WAKE_MASK] = { .len = 1 },
ff1b6e69 605};
f83ace3b 606#endif /* CONFIG_PM */
ff1b6e69 607
be29b99a
AK		 608/* policy for coalesce rule attributes */
609static const struct nla_policy
610nl80211_coalesce_policy[NUM_NL80211_ATTR_COALESCE_RULE] = {
611 [NL80211_ATTR_COALESCE_RULE_DELAY] = { .type = NLA_U32 },
ab0d76f6
JB		 612 [NL80211_ATTR_COALESCE_RULE_CONDITION] =
613 NLA_POLICY_RANGE(NLA_U32,
614 NL80211_COALESCE_CONDITION_MATCH,
615 NL80211_COALESCE_CONDITION_NO_MATCH),
be29b99a
AK		 616 [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN] = { .type = NLA_NESTED },
617};
618
e5497d76
JB		 619/* policy for GTK rekey offload attributes */
620static const struct nla_policy
621nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = {
622 [NL80211_REKEY_DATA_KEK] = { .len = NL80211_KEK_LEN },
623 [NL80211_REKEY_DATA_KCK] = { .len = NL80211_KCK_LEN },
624 [NL80211_REKEY_DATA_REPLAY_CTR] = { .len = NL80211_REPLAY_CTR_LEN },
625};
626
1e1b11b6 627static const struct nla_policy
628nl80211_match_band_rssi_policy[NUM_NL80211_BANDS] = {
629 [NL80211_BAND_2GHZ] = { .type = NLA_S32 },
630 [NL80211_BAND_5GHZ] = { .type = NLA_S32 },
631 [NL80211_BAND_60GHZ] = { .type = NLA_S32 },
632};
633
a1f1c21c
LC		 634static const struct nla_policy
635nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = {
4a4ab0d7 636 [NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY,
a1f1c21c 637 .len = IEEE80211_MAX_SSID_LEN },
3007e352 638 [NL80211_SCHED_SCAN_MATCH_ATTR_BSSID] = { .len = ETH_ALEN },
88e920b4 639 [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 },
1e1b11b6 640 [NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI] =
641 NLA_POLICY_NESTED(nl80211_match_band_rssi_policy),
a1f1c21c
LC		 642};
643
3b06d277
AS		 644static const struct nla_policy
645nl80211_plan_policy[NL80211_SCHED_SCAN_PLAN_MAX + 1] = {
646 [NL80211_SCHED_SCAN_PLAN_INTERVAL] = { .type = NLA_U32 },
647 [NL80211_SCHED_SCAN_PLAN_ITERATIONS] = { .type = NLA_U32 },
648};
649
38de03d2
AS		 650static const struct nla_policy
651nl80211_bss_select_policy[NL80211_BSS_SELECT_ATTR_MAX + 1] = {
652 [NL80211_BSS_SELECT_ATTR_RSSI] = { .type = NLA_FLAG },
653 [NL80211_BSS_SELECT_ATTR_BAND_PREF] = { .type = NLA_U32 },
654 [NL80211_BSS_SELECT_ATTR_RSSI_ADJUST] = {
655 .len = sizeof(struct nl80211_bss_select_rssi_adjust)
656 },
657};
658
a442b761
AB		 659/* policy for NAN function attributes */
660static const struct nla_policy
661nl80211_nan_func_policy[NL80211_NAN_FUNC_ATTR_MAX + 1] = {
662 [NL80211_NAN_FUNC_TYPE] = { .type = NLA_U8 },
0a27844c 663 [NL80211_NAN_FUNC_SERVICE_ID] = {
a442b761
AB		 664 .len = NL80211_NAN_FUNC_SERVICE_ID_LEN },
665 [NL80211_NAN_FUNC_PUBLISH_TYPE] = { .type = NLA_U8 },
666 [NL80211_NAN_FUNC_PUBLISH_BCAST] = { .type = NLA_FLAG },
667 [NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE] = { .type = NLA_FLAG },
668 [NL80211_NAN_FUNC_FOLLOW_UP_ID] = { .type = NLA_U8 },
669 [NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] = { .type = NLA_U8 },
670 [NL80211_NAN_FUNC_FOLLOW_UP_DEST] = { .len = ETH_ALEN },
671 [NL80211_NAN_FUNC_CLOSE_RANGE] = { .type = NLA_FLAG },
672 [NL80211_NAN_FUNC_TTL] = { .type = NLA_U32 },
673 [NL80211_NAN_FUNC_SERVICE_INFO] = { .type = NLA_BINARY,
674 .len = NL80211_NAN_FUNC_SERVICE_SPEC_INFO_MAX_LEN },
675 [NL80211_NAN_FUNC_SRF] = { .type = NLA_NESTED },
676 [NL80211_NAN_FUNC_RX_MATCH_FILTER] = { .type = NLA_NESTED },
677 [NL80211_NAN_FUNC_TX_MATCH_FILTER] = { .type = NLA_NESTED },
678 [NL80211_NAN_FUNC_INSTANCE_ID] = { .type = NLA_U8 },
679 [NL80211_NAN_FUNC_TERM_REASON] = { .type = NLA_U8 },
680};
681
682/* policy for Service Response Filter attributes */
683static const struct nla_policy
684nl80211_nan_srf_policy[NL80211_NAN_SRF_ATTR_MAX + 1] = {
685 [NL80211_NAN_SRF_INCLUDE] = { .type = NLA_FLAG },
686 [NL80211_NAN_SRF_BF] = { .type = NLA_BINARY,
687 .len = NL80211_NAN_FUNC_SRF_MAX_LEN },
688 [NL80211_NAN_SRF_BF_IDX] = { .type = NLA_U8 },
689 [NL80211_NAN_SRF_MAC_ADDRS] = { .type = NLA_NESTED },
690};
691
ad670233
PX		 692/* policy for packet pattern attributes */
693static const struct nla_policy
694nl80211_packet_pattern_policy[MAX_NL80211_PKTPAT + 1] = {
695 [NL80211_PKTPAT_MASK] = { .type = NLA_BINARY, },
696 [NL80211_PKTPAT_PATTERN] = { .type = NLA_BINARY, },
697 [NL80211_PKTPAT_OFFSET] = { .type = NLA_U32 },
698};
699
9bb7e0f2
JB		 700int nl80211_prepare_wdev_dump(struct netlink_callback *cb,
701 struct cfg80211_registered_device **rdev,
702 struct wireless_dev **wdev)
a043897a 703{
97990a06 704 int err;
a043897a 705
97990a06 706 if (!cb->args[0]) {
8cb08174
JB		 707 err = nlmsg_parse_deprecated(cb->nlh,
708 GENL_HDRLEN + nl80211_fam.hdrsize,
709 genl_family_attrbuf(&nl80211_fam),
710 nl80211_fam.maxattr,
711 nl80211_policy, NULL);
97990a06 712 if (err)
ea90e0dc 713 return err;
67748893 714
c90c39da 715 *wdev = __cfg80211_wdev_from_attrs(
5297c65c 716 sock_net(cb->skb->sk),
c90c39da 717 genl_family_attrbuf(&nl80211_fam));
ea90e0dc
JB		 718 if (IS_ERR(*wdev))
719 return PTR_ERR(*wdev);
f26cbf40 720 *rdev = wiphy_to_rdev((*wdev)->wiphy);
c319d50b
JB		 721 /* 0 is the first index - add 1 to parse only once */
722 cb->args[0] = (*rdev)->wiphy_idx + 1;
97990a06
JB		 723 cb->args[1] = (*wdev)->identifier;
724 } else {
c319d50b
JB		 725 /* subtract the 1 again here */
726 struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
97990a06 727 struct wireless_dev *tmp;
67748893 728
ea90e0dc
JB		 729 if (!wiphy)
730 return -ENODEV;
f26cbf40 731 *rdev = wiphy_to_rdev(wiphy);
97990a06 732 *wdev = NULL;
67748893 733
53873f13 734 list_for_each_entry(tmp, &(*rdev)->wiphy.wdev_list, list) {
97990a06
JB		 735 if (tmp->identifier == cb->args[1]) {
736 *wdev = tmp;
737 break;
738 }
739 }
67748893 740
ea90e0dc
JB		 741 if (!*wdev)
742 return -ENODEV;
67748893
JB		 743 }
744
67748893 745 return 0;
67748893
JB		 746}
747
55682965 748/* message building helper */
9bb7e0f2
JB		 749void *nl80211hdr_put(struct sk_buff *skb, u32 portid, u32 seq,
750 int flags, u8 cmd)
55682965
JB		 751{
752 /* since there is no private header just add the generic one */
15e47304 753 return genlmsg_put(skb, portid, seq, &nl80211_fam, flags, cmd);
55682965
JB		 754}
755
50f32718
HD		 756static int nl80211_msg_put_wmm_rules(struct sk_buff *msg,
757 const struct ieee80211_reg_rule *rule)
758{
759 int j;
760 struct nlattr *nl_wmm_rules =
ae0be8de 761 nla_nest_start_noflag(msg, NL80211_FREQUENCY_ATTR_WMM);
50f32718
HD		 762
763 if (!nl_wmm_rules)
764 goto nla_put_failure;
765
766 for (j = 0; j < IEEE80211_NUM_ACS; j++) {
ae0be8de 767 struct nlattr *nl_wmm_rule = nla_nest_start_noflag(msg, j);
50f32718
HD		 768
769 if (!nl_wmm_rule)
770 goto nla_put_failure;
771
772 if (nla_put_u16(msg, NL80211_WMMR_CW_MIN,
38cb87ee 773 rule->wmm_rule.client[j].cw_min) ||
50f32718 774 nla_put_u16(msg, NL80211_WMMR_CW_MAX,
38cb87ee 775 rule->wmm_rule.client[j].cw_max) ||
50f32718 776 nla_put_u8(msg, NL80211_WMMR_AIFSN,
38cb87ee 777 rule->wmm_rule.client[j].aifsn) ||
d3c89bbc
HD		 778 nla_put_u16(msg, NL80211_WMMR_TXOP,
779 rule->wmm_rule.client[j].cot))
50f32718
HD		 780 goto nla_put_failure;
781
782 nla_nest_end(msg, nl_wmm_rule);
783 }
784 nla_nest_end(msg, nl_wmm_rules);
785
786 return 0;
787
788nla_put_failure:
789 return -ENOBUFS;
790}
791
792static int nl80211_msg_put_channel(struct sk_buff *msg, struct wiphy *wiphy,
cdc89b97
JB		 793 struct ieee80211_channel *chan,
794 bool large)
5dab3b8a 795{
ea077c1c
RL		 796 /* Some channels must be completely excluded from the
797 * list to protect old user-space tools from breaking
798 */
799 if (!large && chan->flags &
800 (IEEE80211_CHAN_NO_10MHZ | IEEE80211_CHAN_NO_20MHZ))
801 return 0;
802
9360ffd1
DM		 803 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_FREQ,
804 chan->center_freq))
805 goto nla_put_failure;
5dab3b8a 806
9360ffd1
DM		 807 if ((chan->flags & IEEE80211_CHAN_DISABLED) &&
808 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DISABLED))
809 goto nla_put_failure;
8fe02e16
LR		 810 if (chan->flags & IEEE80211_CHAN_NO_IR) {
811 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IR))
812 goto nla_put_failure;
813 if (nla_put_flag(msg, __NL80211_FREQUENCY_ATTR_NO_IBSS))
814 goto nla_put_failure;
815 }
cdc89b97
JB		 816 if (chan->flags & IEEE80211_CHAN_RADAR) {
817 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR))
818 goto nla_put_failure;
819 if (large) {
820 u32 time;
821
822 time = elapsed_jiffies_msecs(chan->dfs_state_entered);
823
824 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_STATE,
825 chan->dfs_state))
826 goto nla_put_failure;
827 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_TIME,
828 time))
829 goto nla_put_failure;
089027e5
JD		 830 if (nla_put_u32(msg,
831 NL80211_FREQUENCY_ATTR_DFS_CAC_TIME,
832 chan->dfs_cac_ms))
833 goto nla_put_failure;
cdc89b97
JB		 834 }
835 }
5dab3b8a 836
fe1abafd
JB		 837 if (large) {
838 if ((chan->flags & IEEE80211_CHAN_NO_HT40MINUS) &&
839 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS))
840 goto nla_put_failure;
841 if ((chan->flags & IEEE80211_CHAN_NO_HT40PLUS) &&
842 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS))
843 goto nla_put_failure;
844 if ((chan->flags & IEEE80211_CHAN_NO_80MHZ) &&
845 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_80MHZ))
846 goto nla_put_failure;
847 if ((chan->flags & IEEE80211_CHAN_NO_160MHZ) &&
848 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_160MHZ))
849 goto nla_put_failure;
570dbde1
DS		 850 if ((chan->flags & IEEE80211_CHAN_INDOOR_ONLY) &&
851 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_INDOOR_ONLY))
852 goto nla_put_failure;
06f207fc
AN		 853 if ((chan->flags & IEEE80211_CHAN_IR_CONCURRENT) &&
854 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_IR_CONCURRENT))
570dbde1 855 goto nla_put_failure;
ea077c1c
RL		 856 if ((chan->flags & IEEE80211_CHAN_NO_20MHZ) &&
857 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_20MHZ))
858 goto nla_put_failure;
859 if ((chan->flags & IEEE80211_CHAN_NO_10MHZ) &&
860 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_10MHZ))
861 goto nla_put_failure;
fe1abafd
JB		 862 }
863
9360ffd1
DM		 864 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER,
865 DBM_TO_MBM(chan->max_power)))
866 goto nla_put_failure;
5dab3b8a 867
50f32718
HD		 868 if (large) {
869 const struct ieee80211_reg_rule *rule =
b88d26d9 870 freq_reg_info(wiphy, MHZ_TO_KHZ(chan->center_freq));
50f32718 871
38cb87ee 872 if (!IS_ERR_OR_NULL(rule) && rule->has_wmm) {
50f32718
HD		 873 if (nl80211_msg_put_wmm_rules(msg, rule))
874 goto nla_put_failure;
875 }
876 }
877
5dab3b8a
LR		 878 return 0;
879
880 nla_put_failure:
881 return -ENOBUFS;
882}
883
52539ca8
THJ		 884static bool nl80211_put_txq_stats(struct sk_buff *msg,
885 struct cfg80211_txq_stats *txqstats,
886 int attrtype)
887{
888 struct nlattr *txqattr;
889
890#define PUT_TXQVAL_U32(attr, memb) do { \
891 if (txqstats->filled & BIT(NL80211_TXQ_STATS_ ## attr) && \
892 nla_put_u32(msg, NL80211_TXQ_STATS_ ## attr, txqstats->memb)) \
893 return false; \
894 } while (0)
895
ae0be8de 896 txqattr = nla_nest_start_noflag(msg, attrtype);
52539ca8
THJ		 897 if (!txqattr)
898 return false;
899
900 PUT_TXQVAL_U32(BACKLOG_BYTES, backlog_bytes);
901 PUT_TXQVAL_U32(BACKLOG_PACKETS, backlog_packets);
902 PUT_TXQVAL_U32(FLOWS, flows);
903 PUT_TXQVAL_U32(DROPS, drops);
904 PUT_TXQVAL_U32(ECN_MARKS, ecn_marks);
905 PUT_TXQVAL_U32(OVERLIMIT, overlimit);
906 PUT_TXQVAL_U32(OVERMEMORY, overmemory);
907 PUT_TXQVAL_U32(COLLISIONS, collisions);
908 PUT_TXQVAL_U32(TX_BYTES, tx_bytes);
909 PUT_TXQVAL_U32(TX_PACKETS, tx_packets);
910 PUT_TXQVAL_U32(MAX_FLOWS, max_flows);
911 nla_nest_end(msg, txqattr);
912
913#undef PUT_TXQVAL_U32
914 return true;
915}
916
55682965
JB		 917/* netlink command implementations */
918
b9454e83
JB		 919struct key_parse {
920 struct key_params p;
921 int idx;
e31b8213 922 int type;
b9454e83 923 bool def, defmgmt;
dbd2fd65 924 bool def_uni, def_multi;
b9454e83
JB		 925};
926
768075eb
JB		 927static int nl80211_parse_key_new(struct genl_info *info, struct nlattr *key,
928 struct key_parse *k)
b9454e83
JB		 929{
930 struct nlattr *tb[NL80211_KEY_MAX + 1];
8cb08174
JB		 931 int err = nla_parse_nested_deprecated(tb, NL80211_KEY_MAX, key,
932 nl80211_key_policy,
933 info->extack);
b9454e83
JB		 934 if (err)
935 return err;
936
937 k->def = !!tb[NL80211_KEY_DEFAULT];
938 k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT];
939
dbd2fd65
JB		 940 if (k->def) {
941 k->def_uni = true;
942 k->def_multi = true;
943 }
944 if (k->defmgmt)
945 k->def_multi = true;
946
b9454e83
JB		 947 if (tb[NL80211_KEY_IDX])
948 k->idx = nla_get_u8(tb[NL80211_KEY_IDX]);
949
950 if (tb[NL80211_KEY_DATA]) {
951 k->p.key = nla_data(tb[NL80211_KEY_DATA]);
952 k->p.key_len = nla_len(tb[NL80211_KEY_DATA]);
953 }
954
955 if (tb[NL80211_KEY_SEQ]) {
956 k->p.seq = nla_data(tb[NL80211_KEY_SEQ]);
957 k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]);
958 }
959
960 if (tb[NL80211_KEY_CIPHER])
961 k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]);
962
ab0d76f6 963 if (tb[NL80211_KEY_TYPE])
e31b8213 964 k->type = nla_get_u32(tb[NL80211_KEY_TYPE]);
e31b8213 965
dbd2fd65
JB		 966 if (tb[NL80211_KEY_DEFAULT_TYPES]) {
967 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
7a087e74 968
8cb08174
JB		 969 err = nla_parse_nested_deprecated(kdt,
970 NUM_NL80211_KEY_DEFAULT_TYPES - 1,
971 tb[NL80211_KEY_DEFAULT_TYPES],
972 nl80211_key_default_policy,
973 info->extack);
dbd2fd65
JB		 974 if (err)
975 return err;
976
977 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
978 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
979 }
980
6cdd3979
AW		 981 if (tb[NL80211_KEY_MODE])
982 k->p.mode = nla_get_u8(tb[NL80211_KEY_MODE]);
983
b9454e83
JB		 984 return 0;
985}
986
987static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k)
988{
989 if (info->attrs[NL80211_ATTR_KEY_DATA]) {
990 k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]);
991 k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]);
992 }
993
994 if (info->attrs[NL80211_ATTR_KEY_SEQ]) {
995 k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]);
996 k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]);
997 }
998
999 if (info->attrs[NL80211_ATTR_KEY_IDX])
1000 k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
1001
1002 if (info->attrs[NL80211_ATTR_KEY_CIPHER])
1003 k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]);
1004
1005 k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT];
1006 k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT];
1007
dbd2fd65
JB		 1008 if (k->def) {
1009 k->def_uni = true;
1010 k->def_multi = true;
1011 }
1012 if (k->defmgmt)
1013 k->def_multi = true;
1014
ab0d76f6 1015 if (info->attrs[NL80211_ATTR_KEY_TYPE])
e31b8213 1016 k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
e31b8213 1017
dbd2fd65
JB		 1018 if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) {
1019 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
8cb08174
JB		 1020 int err = nla_parse_nested_deprecated(kdt,
1021 NUM_NL80211_KEY_DEFAULT_TYPES - 1,
1022 info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES],
1023 nl80211_key_default_policy,
1024 info->extack);
dbd2fd65
JB		 1025 if (err)
1026 return err;
1027
1028 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
1029 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
1030 }
1031
b9454e83
JB		 1032 return 0;
1033}
1034
1035static int nl80211_parse_key(struct genl_info *info, struct key_parse *k)
1036{
1037 int err;
1038
1039 memset(k, 0, sizeof(*k));
1040 k->idx = -1;
e31b8213 1041 k->type = -1;
b9454e83
JB		 1042
1043 if (info->attrs[NL80211_ATTR_KEY])
768075eb 1044 err = nl80211_parse_key_new(info, info->attrs[NL80211_ATTR_KEY], k);
b9454e83
JB		 1045 else
1046 err = nl80211_parse_key_old(info, k);
1047
1048 if (err)
1049 return err;
1050
768075eb
JB		 1051 if (k->def && k->defmgmt) {
1052 GENL_SET_ERR_MSG(info, "key with def && defmgmt is invalid");
b9454e83 1053 return -EINVAL;
768075eb 1054 }
b9454e83 1055
dbd2fd65 1056 if (k->defmgmt) {
768075eb
JB		 1057 if (k->def_uni || !k->def_multi) {
1058 GENL_SET_ERR_MSG(info, "defmgmt key must be mcast");
dbd2fd65 1059 return -EINVAL;
768075eb 1060 }
dbd2fd65
JB		 1061 }
1062
b9454e83
JB		 1063 if (k->idx != -1) {
1064 if (k->defmgmt) {
768075eb
JB		 1065 if (k->idx < 4 || k->idx > 5) {
1066 GENL_SET_ERR_MSG(info,
1067 "defmgmt key idx not 4 or 5");
b9454e83 1068 return -EINVAL;
768075eb 1069 }
b9454e83 1070 } else if (k->def) {
768075eb
JB		 1071 if (k->idx < 0 || k->idx > 3) {
1072 GENL_SET_ERR_MSG(info, "def key idx not 0-3");
b9454e83 1073 return -EINVAL;
768075eb 1074 }
b9454e83 1075 } else {
768075eb
JB		 1076 if (k->idx < 0 || k->idx > 5) {
1077 GENL_SET_ERR_MSG(info, "key idx not 0-5");
b9454e83 1078 return -EINVAL;
768075eb 1079 }
b9454e83
JB		 1080 }
1081 }
1082
1083 return 0;
1084}
1085
fffd0934
JB		 1086static struct cfg80211_cached_keys *
1087nl80211_parse_connkeys(struct cfg80211_registered_device *rdev,
768075eb 1088 struct genl_info *info, bool *no_ht)
fffd0934 1089{
768075eb 1090 struct nlattr *keys = info->attrs[NL80211_ATTR_KEYS];
fffd0934
JB		 1091 struct key_parse parse;
1092 struct nlattr *key;
1093 struct cfg80211_cached_keys *result;
1094 int rem, err, def = 0;
f1c1f17a
JB		 1095 bool have_key = false;
1096
1097 nla_for_each_nested(key, keys, rem) {
1098 have_key = true;
1099 break;
1100 }
1101
1102 if (!have_key)
1103 return NULL;
fffd0934
JB		 1104
1105 result = kzalloc(sizeof(*result), GFP_KERNEL);
1106 if (!result)
1107 return ERR_PTR(-ENOMEM);
1108
1109 result->def = -1;
fffd0934
JB		 1110
1111 nla_for_each_nested(key, keys, rem) {
1112 memset(&parse, 0, sizeof(parse));
1113 parse.idx = -1;
1114
768075eb 1115 err = nl80211_parse_key_new(info, key, &parse);
fffd0934
JB		 1116 if (err)
1117 goto error;
1118 err = -EINVAL;
1119 if (!parse.p.key)
1120 goto error;
768075eb
JB		 1121 if (parse.idx < 0 || parse.idx > 3) {
1122 GENL_SET_ERR_MSG(info, "key index out of range [0-3]");
fffd0934 1123 goto error;
768075eb 1124 }
fffd0934 1125 if (parse.def) {
768075eb
JB		 1126 if (def) {
1127 GENL_SET_ERR_MSG(info,
1128 "only one key can be default");
fffd0934 1129 goto error;
768075eb 1130 }
fffd0934
JB		 1131 def = 1;
1132 result->def = parse.idx;
dbd2fd65
JB		 1133 if (!parse.def_uni || !parse.def_multi)
1134 goto error;
fffd0934
JB		 1135 } else if (parse.defmgmt)
1136 goto error;
1137 err = cfg80211_validate_key_settings(rdev, &parse.p,
e31b8213 1138 parse.idx, false, NULL);
fffd0934
JB		 1139 if (err)
1140 goto error;
386b1f27
JB		 1141 if (parse.p.cipher != WLAN_CIPHER_SUITE_WEP40 &&
1142 parse.p.cipher != WLAN_CIPHER_SUITE_WEP104) {
768075eb 1143 GENL_SET_ERR_MSG(info, "connect key must be WEP");
386b1f27
JB		 1144 err = -EINVAL;
1145 goto error;
1146 }
fffd0934
JB		 1147 result->params[parse.idx].cipher = parse.p.cipher;
1148 result->params[parse.idx].key_len = parse.p.key_len;
1149 result->params[parse.idx].key = result->data[parse.idx];
1150 memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len);
de7044ee 1151
386b1f27
JB		 1152 /* must be WEP key if we got here */
1153 if (no_ht)
1154 *no_ht = true;
fffd0934
JB		 1155 }
1156
f1c1f17a
JB		 1157 if (result->def < 0) {
1158 err = -EINVAL;
768075eb 1159 GENL_SET_ERR_MSG(info, "need a default/TX key");
f1c1f17a
JB		 1160 goto error;
1161 }
1162
fffd0934
JB		 1163 return result;
1164 error:
1165 kfree(result);
1166 return ERR_PTR(err);
1167}
1168
1169static int nl80211_key_allowed(struct wireless_dev *wdev)
1170{
1171 ASSERT_WDEV_LOCK(wdev);
1172
fffd0934
JB		 1173 switch (wdev->iftype) {
1174 case NL80211_IFTYPE_AP:
1175 case NL80211_IFTYPE_AP_VLAN:
074ac8df 1176 case NL80211_IFTYPE_P2P_GO:
ff973af7 1177 case NL80211_IFTYPE_MESH_POINT:
fffd0934
JB		 1178 break;
1179 case NL80211_IFTYPE_ADHOC:
fffd0934 1180 case NL80211_IFTYPE_STATION:
074ac8df 1181 case NL80211_IFTYPE_P2P_CLIENT:
ceca7b71 1182 if (!wdev->current_bss)
fffd0934
JB		 1183 return -ENOLINK;
1184 break;
de4fcbad 1185 case NL80211_IFTYPE_UNSPECIFIED:
6e0bd6c3 1186 case NL80211_IFTYPE_OCB:
de4fcbad 1187 case NL80211_IFTYPE_MONITOR:
cb3b7d87 1188 case NL80211_IFTYPE_NAN:
de4fcbad
JB		 1189 case NL80211_IFTYPE_P2P_DEVICE:
1190 case NL80211_IFTYPE_WDS:
1191 case NUM_NL80211_IFTYPES:
fffd0934
JB		 1192 return -EINVAL;
1193 }
1194
1195 return 0;
1196}
1197
664834de
JM		 1198static struct ieee80211_channel *nl80211_get_valid_chan(struct wiphy *wiphy,
1199 struct nlattr *tb)
1200{
1201 struct ieee80211_channel *chan;
1202
1203 if (tb == NULL)
1204 return NULL;
1205 chan = ieee80211_get_channel(wiphy, nla_get_u32(tb));
1206 if (!chan || chan->flags & IEEE80211_CHAN_DISABLED)
1207 return NULL;
1208 return chan;
1209}
1210
7527a782
JB		 1211static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes)
1212{
ae0be8de 1213 struct nlattr *nl_modes = nla_nest_start_noflag(msg, attr);
7527a782
JB		 1214 int i;
1215
1216 if (!nl_modes)
1217 goto nla_put_failure;
1218
1219 i = 0;
1220 while (ifmodes) {
9360ffd1
DM		 1221 if ((ifmodes & 1) && nla_put_flag(msg, i))
1222 goto nla_put_failure;
7527a782
JB		 1223 ifmodes >>= 1;
1224 i++;
1225 }
1226
1227 nla_nest_end(msg, nl_modes);
1228 return 0;
1229
1230nla_put_failure:
1231 return -ENOBUFS;
1232}
1233
1234static int nl80211_put_iface_combinations(struct wiphy *wiphy,
cdc89b97
JB		 1235 struct sk_buff *msg,
1236 bool large)
7527a782
JB		 1237{
1238 struct nlattr *nl_combis;
1239 int i, j;
1240
ae0be8de
MK		 1241 nl_combis = nla_nest_start_noflag(msg,
1242 NL80211_ATTR_INTERFACE_COMBINATIONS);
7527a782
JB		 1243 if (!nl_combis)
1244 goto nla_put_failure;
1245
1246 for (i = 0; i < wiphy->n_iface_combinations; i++) {
1247 const struct ieee80211_iface_combination *c;
1248 struct nlattr *nl_combi, *nl_limits;
1249
1250 c = &wiphy->iface_combinations[i];
1251
ae0be8de 1252 nl_combi = nla_nest_start_noflag(msg, i + 1);
7527a782
JB		 1253 if (!nl_combi)
1254 goto nla_put_failure;
1255
ae0be8de
MK		 1256 nl_limits = nla_nest_start_noflag(msg,
1257 NL80211_IFACE_COMB_LIMITS);
7527a782
JB		 1258 if (!nl_limits)
1259 goto nla_put_failure;
1260
1261 for (j = 0; j < c->n_limits; j++) {
1262 struct nlattr *nl_limit;
1263
ae0be8de 1264 nl_limit = nla_nest_start_noflag(msg, j + 1);
7527a782
JB		 1265 if (!nl_limit)
1266 goto nla_put_failure;
9360ffd1
DM		 1267 if (nla_put_u32(msg, NL80211_IFACE_LIMIT_MAX,
1268 c->limits[j].max))
1269 goto nla_put_failure;
7527a782
JB		 1270 if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES,
1271 c->limits[j].types))
1272 goto nla_put_failure;
1273 nla_nest_end(msg, nl_limit);
1274 }
1275
1276 nla_nest_end(msg, nl_limits);
1277
9360ffd1
DM		 1278 if (c->beacon_int_infra_match &&
1279 nla_put_flag(msg, NL80211_IFACE_COMB_STA_AP_BI_MATCH))
1280 goto nla_put_failure;
1281 if (nla_put_u32(msg, NL80211_IFACE_COMB_NUM_CHANNELS,
1282 c->num_different_channels) ||
1283 nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM,
1284 c->max_interfaces))
1285 goto nla_put_failure;
cdc89b97 1286 if (large &&
8c48b50a
FF		 1287 (nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS,
1288 c->radar_detect_widths) ||
1289 nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS,
1290 c->radar_detect_regions)))
cdc89b97 1291 goto nla_put_failure;
0c317a02
PK		 1292 if (c->beacon_int_min_gcd &&
1293 nla_put_u32(msg, NL80211_IFACE_COMB_BI_MIN_GCD,
1294 c->beacon_int_min_gcd))
1295 goto nla_put_failure;
7527a782
JB		 1296
1297 nla_nest_end(msg, nl_combi);
1298 }
1299
1300 nla_nest_end(msg, nl_combis);
1301
1302 return 0;
1303nla_put_failure:
1304 return -ENOBUFS;
1305}
1306
3713b4e3 1307#ifdef CONFIG_PM
b56cf720
JB		 1308static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev,
1309 struct sk_buff *msg)
1310{
964dc9e2 1311 const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan->tcp;
b56cf720
JB		 1312 struct nlattr *nl_tcp;
1313
1314 if (!tcp)
1315 return 0;
1316
ae0be8de
MK		 1317 nl_tcp = nla_nest_start_noflag(msg,
1318 NL80211_WOWLAN_TRIG_TCP_CONNECTION);
b56cf720
JB		 1319 if (!nl_tcp)
1320 return -ENOBUFS;
1321
1322 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
1323 tcp->data_payload_max))
1324 return -ENOBUFS;
1325
1326 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
1327 tcp->data_payload_max))
1328 return -ENOBUFS;
1329
1330 if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ))
1331 return -ENOBUFS;
1332
1333 if (tcp->tok && nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
1334 sizeof(*tcp->tok), tcp->tok))
1335 return -ENOBUFS;
1336
1337 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
1338 tcp->data_interval_max))
1339 return -ENOBUFS;
1340
1341 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
1342 tcp->wake_payload_max))
1343 return -ENOBUFS;
1344
1345 nla_nest_end(msg, nl_tcp);
1346 return 0;
1347}
1348
3713b4e3 1349static int nl80211_send_wowlan(struct sk_buff *msg,
1b8ec87a 1350 struct cfg80211_registered_device *rdev,
b56cf720 1351 bool large)
55682965 1352{
3713b4e3 1353 struct nlattr *nl_wowlan;
55682965 1354
1b8ec87a 1355 if (!rdev->wiphy.wowlan)
3713b4e3 1356 return 0;
55682965 1357
ae0be8de
MK		 1358 nl_wowlan = nla_nest_start_noflag(msg,
1359 NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED);
3713b4e3
JB		 1360 if (!nl_wowlan)
1361 return -ENOBUFS;
9360ffd1 1362
1b8ec87a 1363 if (((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_ANY) &&
3713b4e3 1364 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
1b8ec87a 1365 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_DISCONNECT) &&
3713b4e3 1366 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
1b8ec87a 1367 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT) &&
3713b4e3 1368 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
1b8ec87a 1369 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) &&
3713b4e3 1370 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED)) ||
1b8ec87a 1371 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) &&
3713b4e3 1372 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
1b8ec87a 1373 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) &&
3713b4e3 1374 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
1b8ec87a 1375 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) &&
3713b4e3 1376 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
1b8ec87a 1377 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE) &&
3713b4e3
JB		 1378 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
1379 return -ENOBUFS;
9360ffd1 1380
1b8ec87a 1381 if (rdev->wiphy.wowlan->n_patterns) {
50ac6607 1382 struct nl80211_pattern_support pat = {
1b8ec87a
ZG		 1383 .max_patterns = rdev->wiphy.wowlan->n_patterns,
1384 .min_pattern_len = rdev->wiphy.wowlan->pattern_min_len,
1385 .max_pattern_len = rdev->wiphy.wowlan->pattern_max_len,
1386 .max_pkt_offset = rdev->wiphy.wowlan->max_pkt_offset,
3713b4e3 1387 };
9360ffd1 1388
3713b4e3
JB		 1389 if (nla_put(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
1390 sizeof(pat), &pat))
1391 return -ENOBUFS;
1392 }
9360ffd1 1393
75453ccb
LC		 1394 if ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_NET_DETECT) &&
1395 nla_put_u32(msg, NL80211_WOWLAN_TRIG_NET_DETECT,
1396 rdev->wiphy.wowlan->max_nd_match_sets))
1397 return -ENOBUFS;
1398
1b8ec87a 1399 if (large && nl80211_send_wowlan_tcp_caps(rdev, msg))
b56cf720
JB		 1400 return -ENOBUFS;
1401
3713b4e3 1402 nla_nest_end(msg, nl_wowlan);
9360ffd1 1403
3713b4e3
JB		 1404 return 0;
1405}
1406#endif
9360ffd1 1407
be29b99a 1408static int nl80211_send_coalesce(struct sk_buff *msg,
1b8ec87a 1409 struct cfg80211_registered_device *rdev)
be29b99a
AK		 1410{
1411 struct nl80211_coalesce_rule_support rule;
1412
1b8ec87a 1413 if (!rdev->wiphy.coalesce)
be29b99a
AK		 1414 return 0;
1415
1b8ec87a
ZG		 1416 rule.max_rules = rdev->wiphy.coalesce->n_rules;
1417 rule.max_delay = rdev->wiphy.coalesce->max_delay;
1418 rule.pat.max_patterns = rdev->wiphy.coalesce->n_patterns;
1419 rule.pat.min_pattern_len = rdev->wiphy.coalesce->pattern_min_len;
1420 rule.pat.max_pattern_len = rdev->wiphy.coalesce->pattern_max_len;
1421 rule.pat.max_pkt_offset = rdev->wiphy.coalesce->max_pkt_offset;
be29b99a
AK		 1422
1423 if (nla_put(msg, NL80211_ATTR_COALESCE_RULE, sizeof(rule), &rule))
1424 return -ENOBUFS;
1425
1426 return 0;
1427}
1428
c4cbaf79
LC		 1429static int
1430nl80211_send_iftype_data(struct sk_buff *msg,
1431 const struct ieee80211_sband_iftype_data *iftdata)
1432{
1433 const struct ieee80211_sta_he_cap *he_cap = &iftdata->he_cap;
1434
1435 if (nl80211_put_iftypes(msg, NL80211_BAND_IFTYPE_ATTR_IFTYPES,
1436 iftdata->types_mask))
1437 return -ENOBUFS;
1438
1439 if (he_cap->has_he) {
1440 if (nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC,
1441 sizeof(he_cap->he_cap_elem.mac_cap_info),
1442 he_cap->he_cap_elem.mac_cap_info) ||
1443 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY,
1444 sizeof(he_cap->he_cap_elem.phy_cap_info),
1445 he_cap->he_cap_elem.phy_cap_info) ||
1446 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET,
1447 sizeof(he_cap->he_mcs_nss_supp),
1448 &he_cap->he_mcs_nss_supp) ||
1449 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE,
1450 sizeof(he_cap->ppe_thres), he_cap->ppe_thres))
1451 return -ENOBUFS;
1452 }
1453
1454 return 0;
1455}
1456
3713b4e3
JB		 1457static int nl80211_send_band_rateinfo(struct sk_buff *msg,
1458 struct ieee80211_supported_band *sband)
1459{
1460 struct nlattr *nl_rates, *nl_rate;
1461 struct ieee80211_rate *rate;
1462 int i;
87bbbe22 1463
3713b4e3
JB		 1464 /* add HT info */
1465 if (sband->ht_cap.ht_supported &&
1466 (nla_put(msg, NL80211_BAND_ATTR_HT_MCS_SET,
1467 sizeof(sband->ht_cap.mcs),
1468 &sband->ht_cap.mcs) ||
1469 nla_put_u16(msg, NL80211_BAND_ATTR_HT_CAPA,
1470 sband->ht_cap.cap) ||
1471 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR,
1472 sband->ht_cap.ampdu_factor) ||
1473 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY,
1474 sband->ht_cap.ampdu_density)))
1475 return -ENOBUFS;
afe0cbf8 1476
3713b4e3
JB		 1477 /* add VHT info */
1478 if (sband->vht_cap.vht_supported &&
1479 (nla_put(msg, NL80211_BAND_ATTR_VHT_MCS_SET,
1480 sizeof(sband->vht_cap.vht_mcs),
1481 &sband->vht_cap.vht_mcs) ||
1482 nla_put_u32(msg, NL80211_BAND_ATTR_VHT_CAPA,
1483 sband->vht_cap.cap)))
1484 return -ENOBUFS;
f59ac048 1485
c4cbaf79
LC		 1486 if (sband->n_iftype_data) {
1487 struct nlattr *nl_iftype_data =
ae0be8de
MK		 1488 nla_nest_start_noflag(msg,
1489 NL80211_BAND_ATTR_IFTYPE_DATA);
c4cbaf79
LC		 1490 int err;
1491
1492 if (!nl_iftype_data)
1493 return -ENOBUFS;
1494
1495 for (i = 0; i < sband->n_iftype_data; i++) {
1496 struct nlattr *iftdata;
1497
ae0be8de 1498 iftdata = nla_nest_start_noflag(msg, i + 1);
c4cbaf79
LC		 1499 if (!iftdata)
1500 return -ENOBUFS;
1501
1502 err = nl80211_send_iftype_data(msg,
1503 &sband->iftype_data[i]);
1504 if (err)
1505 return err;
1506
1507 nla_nest_end(msg, iftdata);
1508 }
1509
1510 nla_nest_end(msg, nl_iftype_data);
1511 }
1512
3713b4e3 1513 /* add bitrates */
ae0be8de 1514 nl_rates = nla_nest_start_noflag(msg, NL80211_BAND_ATTR_RATES);
3713b4e3
JB		 1515 if (!nl_rates)
1516 return -ENOBUFS;
ee688b00 1517
3713b4e3 1518 for (i = 0; i < sband->n_bitrates; i++) {
ae0be8de 1519 nl_rate = nla_nest_start_noflag(msg, i);
3713b4e3
JB		 1520 if (!nl_rate)
1521 return -ENOBUFS;
ee688b00 1522
3713b4e3
JB		 1523 rate = &sband->bitrates[i];
1524 if (nla_put_u32(msg, NL80211_BITRATE_ATTR_RATE,
1525 rate->bitrate))
1526 return -ENOBUFS;
1527 if ((rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) &&
1528 nla_put_flag(msg,
1529 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE))
1530 return -ENOBUFS;
ee688b00 1531
3713b4e3
JB		 1532 nla_nest_end(msg, nl_rate);
1533 }
d51626df 1534
3713b4e3 1535 nla_nest_end(msg, nl_rates);
bf0c111e 1536
3713b4e3
JB		 1537 return 0;
1538}
ee688b00 1539
3713b4e3
JB		 1540static int
1541nl80211_send_mgmt_stypes(struct sk_buff *msg,
1542 const struct ieee80211_txrx_stypes *mgmt_stypes)
1543{
1544 u16 stypes;
1545 struct nlattr *nl_ftypes, *nl_ifs;
1546 enum nl80211_iftype ift;
1547 int i;
ee688b00 1548
3713b4e3
JB		 1549 if (!mgmt_stypes)
1550 return 0;
5dab3b8a 1551
ae0be8de 1552 nl_ifs = nla_nest_start_noflag(msg, NL80211_ATTR_TX_FRAME_TYPES);
3713b4e3
JB		 1553 if (!nl_ifs)
1554 return -ENOBUFS;
e2f367f2 1555
3713b4e3 1556 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
ae0be8de 1557 nl_ftypes = nla_nest_start_noflag(msg, ift);
3713b4e3
JB		 1558 if (!nl_ftypes)
1559 return -ENOBUFS;
1560 i = 0;
1561 stypes = mgmt_stypes[ift].tx;
1562 while (stypes) {
1563 if ((stypes & 1) &&
1564 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
1565 (i << 4) | IEEE80211_FTYPE_MGMT))
1566 return -ENOBUFS;
1567 stypes >>= 1;
1568 i++;
ee688b00 1569 }
3713b4e3
JB		 1570 nla_nest_end(msg, nl_ftypes);
1571 }
ee688b00 1572
3713b4e3 1573 nla_nest_end(msg, nl_ifs);
ee688b00 1574
ae0be8de 1575 nl_ifs = nla_nest_start_noflag(msg, NL80211_ATTR_RX_FRAME_TYPES);
3713b4e3
JB		 1576 if (!nl_ifs)
1577 return -ENOBUFS;
ee688b00 1578
3713b4e3 1579 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
ae0be8de 1580 nl_ftypes = nla_nest_start_noflag(msg, ift);
3713b4e3
JB		 1581 if (!nl_ftypes)
1582 return -ENOBUFS;
1583 i = 0;
1584 stypes = mgmt_stypes[ift].rx;
1585 while (stypes) {
1586 if ((stypes & 1) &&
1587 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
1588 (i << 4) | IEEE80211_FTYPE_MGMT))
1589 return -ENOBUFS;
1590 stypes >>= 1;
1591 i++;
1592 }
1593 nla_nest_end(msg, nl_ftypes);
1594 }
1595 nla_nest_end(msg, nl_ifs);
ee688b00 1596
3713b4e3
JB		 1597 return 0;
1598}
ee688b00 1599
1794899e
JB		 1600#define CMD(op, n) \
1601 do { \
1602 if (rdev->ops->op) { \
1603 i++; \
1604 if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \
1605 goto nla_put_failure; \
1606 } \
1607 } while (0)
1608
1609static int nl80211_add_commands_unsplit(struct cfg80211_registered_device *rdev,
1610 struct sk_buff *msg)
1611{
1612 int i = 0;
1613
1614 /*
1615 * do *NOT* add anything into this function, new things need to be
1616 * advertised only to new versions of userspace that can deal with
1617 * the split (and they can't possibly care about new features...
1618 */
1619 CMD(add_virtual_intf, NEW_INTERFACE);
1620 CMD(change_virtual_intf, SET_INTERFACE);
1621 CMD(add_key, NEW_KEY);
1622 CMD(start_ap, START_AP);
1623 CMD(add_station, NEW_STATION);
1624 CMD(add_mpath, NEW_MPATH);
1625 CMD(update_mesh_config, SET_MESH_CONFIG);
1626 CMD(change_bss, SET_BSS);
1627 CMD(auth, AUTHENTICATE);
1628 CMD(assoc, ASSOCIATE);
1629 CMD(deauth, DEAUTHENTICATE);
1630 CMD(disassoc, DISASSOCIATE);
1631 CMD(join_ibss, JOIN_IBSS);
1632 CMD(join_mesh, JOIN_MESH);
1633 CMD(set_pmksa, SET_PMKSA);
1634 CMD(del_pmksa, DEL_PMKSA);
1635 CMD(flush_pmksa, FLUSH_PMKSA);
1636 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)
1637 CMD(remain_on_channel, REMAIN_ON_CHANNEL);
1638 CMD(set_bitrate_mask, SET_TX_BITRATE_MASK);
1639 CMD(mgmt_tx, FRAME);
1640 CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL);
1641 if (rdev->wiphy.flags & WIPHY_FLAG_NETNS_OK) {
1642 i++;
1643 if (nla_put_u32(msg, i, NL80211_CMD_SET_WIPHY_NETNS))
1644 goto nla_put_failure;
1645 }
1646 if (rdev->ops->set_monitor_channel || rdev->ops->start_ap ||
1647 rdev->ops->join_mesh) {
1648 i++;
1649 if (nla_put_u32(msg, i, NL80211_CMD_SET_CHANNEL))
1650 goto nla_put_failure;
1651 }
1652 CMD(set_wds_peer, SET_WDS_PEER);
1653 if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) {
1654 CMD(tdls_mgmt, TDLS_MGMT);
1655 CMD(tdls_oper, TDLS_OPER);
1656 }
ca986ad9 1657 if (rdev->wiphy.max_sched_scan_reqs)
1794899e
JB		 1658 CMD(sched_scan_start, START_SCHED_SCAN);
1659 CMD(probe_client, PROBE_CLIENT);
1660 CMD(set_noack_map, SET_NOACK_MAP);
1661 if (rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) {
1662 i++;
1663 if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS))
1664 goto nla_put_failure;
1665 }
1666 CMD(start_p2p_device, START_P2P_DEVICE);
1667 CMD(set_mcast_rate, SET_MCAST_RATE);
1668#ifdef CONFIG_NL80211_TESTMODE
1669 CMD(testmode_cmd, TESTMODE);
1670#endif
1671
1672 if (rdev->ops->connect || rdev->ops->auth) {
1673 i++;
1674 if (nla_put_u32(msg, i, NL80211_CMD_CONNECT))
1675 goto nla_put_failure;
1676 }
1677
1678 if (rdev->ops->disconnect || rdev->ops->deauth) {
1679 i++;
1680 if (nla_put_u32(msg, i, NL80211_CMD_DISCONNECT))
1681 goto nla_put_failure;
1682 }
1683
1684 return i;
1685 nla_put_failure:
1686 return -ENOBUFS;
1687}
1688
9bb7e0f2
JB		 1689static int
1690nl80211_send_pmsr_ftm_capa(const struct cfg80211_pmsr_capabilities *cap,
1691 struct sk_buff *msg)
1692{
1693 struct nlattr *ftm;
1694
1695 if (!cap->ftm.supported)
1696 return 0;
1697
ae0be8de 1698 ftm = nla_nest_start_noflag(msg, NL80211_PMSR_TYPE_FTM);
9bb7e0f2
JB		 1699 if (!ftm)
1700 return -ENOBUFS;
1701
1702 if (cap->ftm.asap && nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_ASAP))
1703 return -ENOBUFS;
1704 if (cap->ftm.non_asap &&
1705 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_NON_ASAP))
1706 return -ENOBUFS;
1707 if (cap->ftm.request_lci &&
1708 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_REQ_LCI))
1709 return -ENOBUFS;
1710 if (cap->ftm.request_civicloc &&
1711 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_REQ_CIVICLOC))
1712 return -ENOBUFS;
1713 if (nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_PREAMBLES,
1714 cap->ftm.preambles))
1715 return -ENOBUFS;
1716 if (nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_BANDWIDTHS,
1717 cap->ftm.bandwidths))
1718 return -ENOBUFS;
1719 if (cap->ftm.max_bursts_exponent >= 0 &&
1720 nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_MAX_BURSTS_EXPONENT,
1721 cap->ftm.max_bursts_exponent))
1722 return -ENOBUFS;
1723 if (cap->ftm.max_ftms_per_burst &&
1724 nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_MAX_FTMS_PER_BURST,
1725 cap->ftm.max_ftms_per_burst))
1726 return -ENOBUFS;
1727
1728 nla_nest_end(msg, ftm);
1729 return 0;
1730}
1731
1732static int nl80211_send_pmsr_capa(struct cfg80211_registered_device *rdev,
1733 struct sk_buff *msg)
1734{
1735 const struct cfg80211_pmsr_capabilities *cap = rdev->wiphy.pmsr_capa;
1736 struct nlattr *pmsr, *caps;
1737
1738 if (!cap)
1739 return 0;
1740
1741 /*
1742 * we don't need to clean up anything here since the caller
1743 * will genlmsg_cancel() if we fail
1744 */
1745
ae0be8de 1746 pmsr = nla_nest_start_noflag(msg, NL80211_ATTR_PEER_MEASUREMENTS);
9bb7e0f2
JB		 1747 if (!pmsr)
1748 return -ENOBUFS;
1749
1750 if (nla_put_u32(msg, NL80211_PMSR_ATTR_MAX_PEERS, cap->max_peers))
1751 return -ENOBUFS;
1752
1753 if (cap->report_ap_tsf &&
1754 nla_put_flag(msg, NL80211_PMSR_ATTR_REPORT_AP_TSF))
1755 return -ENOBUFS;
1756
1757 if (cap->randomize_mac_addr &&
1758 nla_put_flag(msg, NL80211_PMSR_ATTR_RANDOMIZE_MAC_ADDR))
1759 return -ENOBUFS;
1760
ae0be8de 1761 caps = nla_nest_start_noflag(msg, NL80211_PMSR_ATTR_TYPE_CAPA);
9bb7e0f2
JB		 1762 if (!caps)
1763 return -ENOBUFS;
1764
1765 if (nl80211_send_pmsr_ftm_capa(cap, msg))
1766 return -ENOBUFS;
1767
1768 nla_nest_end(msg, caps);
1769 nla_nest_end(msg, pmsr);
1770
1771 return 0;
1772}
1773
86e8cf98
JB		 1774struct nl80211_dump_wiphy_state {
1775 s64 filter_wiphy;
1776 long start;
019ae3a9 1777 long split_start, band_start, chan_start, capa_start;
86e8cf98
JB		 1778 bool split;
1779};
1780
1b8ec87a 1781static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev,
3bb20556 1782 enum nl80211_commands cmd,
3713b4e3 1783 struct sk_buff *msg, u32 portid, u32 seq,
86e8cf98 1784 int flags, struct nl80211_dump_wiphy_state *state)
3713b4e3
JB		 1785{
1786 void *hdr;
1787 struct nlattr *nl_bands, *nl_band;
1788 struct nlattr *nl_freqs, *nl_freq;
1789 struct nlattr *nl_cmds;
57fbcce3 1790 enum nl80211_band band;
3713b4e3
JB		 1791 struct ieee80211_channel *chan;
1792 int i;
1793 const struct ieee80211_txrx_stypes *mgmt_stypes =
1b8ec87a 1794 rdev->wiphy.mgmt_stypes;
fe1abafd 1795 u32 features;
ee688b00 1796
3bb20556 1797 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
3713b4e3
JB		 1798 if (!hdr)
1799 return -ENOBUFS;
ee688b00 1800
86e8cf98
JB		 1801 if (WARN_ON(!state))
1802 return -EINVAL;
ee688b00 1803
1b8ec87a 1804 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
3713b4e3 1805 nla_put_string(msg, NL80211_ATTR_WIPHY_NAME,
1b8ec87a 1806 wiphy_name(&rdev->wiphy)) ||
3713b4e3
JB		 1807 nla_put_u32(msg, NL80211_ATTR_GENERATION,
1808 cfg80211_rdev_list_generation))
8fdc621d
JB		 1809 goto nla_put_failure;
1810
3bb20556
JB		 1811 if (cmd != NL80211_CMD_NEW_WIPHY)
1812 goto finish;
1813
86e8cf98 1814 switch (state->split_start) {
3713b4e3
JB		 1815 case 0:
1816 if (nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT,
1b8ec87a 1817 rdev->wiphy.retry_short) ||
3713b4e3 1818 nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_LONG,
1b8ec87a 1819 rdev->wiphy.retry_long) ||
3713b4e3 1820 nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD,
1b8ec87a 1821 rdev->wiphy.frag_threshold) ||
3713b4e3 1822 nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD,
1b8ec87a 1823 rdev->wiphy.rts_threshold) ||
3713b4e3 1824 nla_put_u8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS,
1b8ec87a 1825 rdev->wiphy.coverage_class) ||
3713b4e3 1826 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS,
1b8ec87a 1827 rdev->wiphy.max_scan_ssids) ||
3713b4e3 1828 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS,
1b8ec87a 1829 rdev->wiphy.max_sched_scan_ssids) ||
3713b4e3 1830 nla_put_u16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN,
1b8ec87a 1831 rdev->wiphy.max_scan_ie_len) ||
3713b4e3 1832 nla_put_u16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN,
1b8ec87a 1833 rdev->wiphy.max_sched_scan_ie_len) ||
3713b4e3 1834 nla_put_u8(msg, NL80211_ATTR_MAX_MATCH_SETS,
3b06d277
AS		 1835 rdev->wiphy.max_match_sets) ||
1836 nla_put_u32(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS,
1837 rdev->wiphy.max_sched_scan_plans) ||
1838 nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL,
1839 rdev->wiphy.max_sched_scan_plan_interval) ||
1840 nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS,
1841 rdev->wiphy.max_sched_scan_plan_iterations))
9360ffd1 1842 goto nla_put_failure;
3713b4e3 1843
1b8ec87a 1844 if ((rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) &&
3713b4e3 1845 nla_put_flag(msg, NL80211_ATTR_SUPPORT_IBSS_RSN))
aa430da4 1846 goto nla_put_failure;
1b8ec87a 1847 if ((rdev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) &&
3713b4e3
JB		 1848 nla_put_flag(msg, NL80211_ATTR_SUPPORT_MESH_AUTH))
1849 goto nla_put_failure;
1b8ec87a 1850 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) &&
3713b4e3
JB		 1851 nla_put_flag(msg, NL80211_ATTR_SUPPORT_AP_UAPSD))
1852 goto nla_put_failure;
1b8ec87a 1853 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) &&
3713b4e3
JB		 1854 nla_put_flag(msg, NL80211_ATTR_ROAM_SUPPORT))
1855 goto nla_put_failure;
1b8ec87a 1856 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) &&
3713b4e3
JB		 1857 nla_put_flag(msg, NL80211_ATTR_TDLS_SUPPORT))
1858 goto nla_put_failure;
1b8ec87a 1859 if ((rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) &&
3713b4e3 1860 nla_put_flag(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP))
9360ffd1 1861 goto nla_put_failure;
86e8cf98
JB		 1862 state->split_start++;
1863 if (state->split)
3713b4e3 1864 break;
925b5978 1865 /* fall through */
3713b4e3
JB		 1866 case 1:
1867 if (nla_put(msg, NL80211_ATTR_CIPHER_SUITES,
1b8ec87a
ZG		 1868 sizeof(u32) * rdev->wiphy.n_cipher_suites,
1869 rdev->wiphy.cipher_suites))
3713b4e3 1870 goto nla_put_failure;
4745fc09 1871
3713b4e3 1872 if (nla_put_u8(msg, NL80211_ATTR_MAX_NUM_PMKIDS,
1b8ec87a 1873 rdev->wiphy.max_num_pmkids))
3713b4e3 1874 goto nla_put_failure;
b23aa676 1875
1b8ec87a 1876 if ((rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
3713b4e3 1877 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE))
9360ffd1 1878 goto nla_put_failure;
b23aa676 1879
3713b4e3 1880 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX,
1b8ec87a 1881 rdev->wiphy.available_antennas_tx) ||
3713b4e3 1882 nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX,
1b8ec87a 1883 rdev->wiphy.available_antennas_rx))
9360ffd1 1884 goto nla_put_failure;
b23aa676 1885
1b8ec87a 1886 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) &&
3713b4e3 1887 nla_put_u32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD,
1b8ec87a 1888 rdev->wiphy.probe_resp_offload))
3713b4e3 1889 goto nla_put_failure;
8fdc621d 1890
1b8ec87a
ZG		 1891 if ((rdev->wiphy.available_antennas_tx ||
1892 rdev->wiphy.available_antennas_rx) &&
1893 rdev->ops->get_antenna) {
3713b4e3
JB		 1894 u32 tx_ant = 0, rx_ant = 0;
1895 int res;
7a087e74 1896
1b8ec87a 1897 res = rdev_get_antenna(rdev, &tx_ant, &rx_ant);
3713b4e3
JB		 1898 if (!res) {
1899 if (nla_put_u32(msg,
1900 NL80211_ATTR_WIPHY_ANTENNA_TX,
1901 tx_ant) ||
1902 nla_put_u32(msg,
1903 NL80211_ATTR_WIPHY_ANTENNA_RX,
1904 rx_ant))
1905 goto nla_put_failure;
1906 }
1907 }
a293911d 1908
86e8cf98
JB		 1909 state->split_start++;
1910 if (state->split)
3713b4e3 1911 break;
925b5978 1912 /* fall through */
3713b4e3
JB		 1913 case 2:
1914 if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES,
1b8ec87a 1915 rdev->wiphy.interface_modes))
3713b4e3 1916 goto nla_put_failure;
86e8cf98
JB		 1917 state->split_start++;
1918 if (state->split)
3713b4e3 1919 break;
925b5978 1920 /* fall through */
3713b4e3 1921 case 3:
ae0be8de
MK		 1922 nl_bands = nla_nest_start_noflag(msg,
1923 NL80211_ATTR_WIPHY_BANDS);
3713b4e3
JB		 1924 if (!nl_bands)
1925 goto nla_put_failure;
f7ca38df 1926
86e8cf98 1927 for (band = state->band_start;
57fbcce3 1928 band < NUM_NL80211_BANDS; band++) {
3713b4e3 1929 struct ieee80211_supported_band *sband;
2e161f78 1930
1b8ec87a 1931 sband = rdev->wiphy.bands[band];
2e161f78 1932
3713b4e3
JB		 1933 if (!sband)
1934 continue;
1935
ae0be8de 1936 nl_band = nla_nest_start_noflag(msg, band);
3713b4e3 1937 if (!nl_band)
2e161f78 1938 goto nla_put_failure;
3713b4e3 1939
86e8cf98 1940 switch (state->chan_start) {
3713b4e3
JB		 1941 case 0:
1942 if (nl80211_send_band_rateinfo(msg, sband))
9360ffd1 1943 goto nla_put_failure;
86e8cf98
JB		 1944 state->chan_start++;
1945 if (state->split)
3713b4e3 1946 break;
925b5978 1947 /* fall through */
3713b4e3
JB		 1948 default:
1949 /* add frequencies */
ae0be8de
MK		 1950 nl_freqs = nla_nest_start_noflag(msg,
1951 NL80211_BAND_ATTR_FREQS);
3713b4e3
JB		 1952 if (!nl_freqs)
1953 goto nla_put_failure;
1954
86e8cf98 1955 for (i = state->chan_start - 1;
3713b4e3
JB		 1956 i < sband->n_channels;
1957 i++) {
ae0be8de
MK		 1958 nl_freq = nla_nest_start_noflag(msg,
1959 i);
3713b4e3
JB		 1960 if (!nl_freq)
1961 goto nla_put_failure;
1962
1963 chan = &sband->channels[i];
1964
86e8cf98 1965 if (nl80211_msg_put_channel(
50f32718 1966 msg, &rdev->wiphy, chan,
86e8cf98 1967 state->split))
3713b4e3
JB		 1968 goto nla_put_failure;
1969
1970 nla_nest_end(msg, nl_freq);
86e8cf98 1971 if (state->split)
3713b4e3
JB		 1972 break;
1973 }
1974 if (i < sband->n_channels)
86e8cf98 1975 state->chan_start = i + 2;
3713b4e3 1976 else
86e8cf98 1977 state->chan_start = 0;
3713b4e3
JB		 1978 nla_nest_end(msg, nl_freqs);
1979 }
1980
1981 nla_nest_end(msg, nl_band);
1982
86e8cf98 1983 if (state->split) {
3713b4e3 1984 /* start again here */
86e8cf98 1985 if (state->chan_start)
3713b4e3
JB		 1986 band--;
1987 break;
2e161f78 1988 }
2e161f78 1989 }
3713b4e3 1990 nla_nest_end(msg, nl_bands);
2e161f78 1991
57fbcce3 1992 if (band < NUM_NL80211_BANDS)
86e8cf98 1993 state->band_start = band + 1;
3713b4e3 1994 else
86e8cf98 1995 state->band_start = 0;
74b70a4e 1996
3713b4e3 1997 /* if bands & channels are done, continue outside */
86e8cf98
JB		 1998 if (state->band_start == 0 && state->chan_start == 0)
1999 state->split_start++;
2000 if (state->split)
3713b4e3 2001 break;
925b5978 2002 /* fall through */
3713b4e3 2003 case 4:
ae0be8de
MK		 2004 nl_cmds = nla_nest_start_noflag(msg,
2005 NL80211_ATTR_SUPPORTED_COMMANDS);
3713b4e3 2006 if (!nl_cmds)
2e161f78
JB		 2007 goto nla_put_failure;
2008
1794899e
JB		 2009 i = nl80211_add_commands_unsplit(rdev, msg);
2010 if (i < 0)
2011 goto nla_put_failure;
86e8cf98 2012 if (state->split) {
5de17984
AS		 2013 CMD(crit_proto_start, CRIT_PROTOCOL_START);
2014 CMD(crit_proto_stop, CRIT_PROTOCOL_STOP);
1b8ec87a 2015 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH)
16ef1fe2 2016 CMD(channel_switch, CHANNEL_SWITCH);
02df00eb 2017 CMD(set_qos_map, SET_QOS_MAP);
723e73ac
JB		 2018 if (rdev->wiphy.features &
2019 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION)
960d01ac 2020 CMD(add_tx_ts, ADD_TX_TS);
ce0ce13a 2021 CMD(set_multicast_to_unicast, SET_MULTICAST_TO_UNICAST);
088e8df8 2022 CMD(update_connect_params, UPDATE_CONNECT_PARAMS);
5de17984 2023 }
3713b4e3 2024#undef CMD
ff1b6e69 2025
3713b4e3 2026 nla_nest_end(msg, nl_cmds);
86e8cf98
JB		 2027 state->split_start++;
2028 if (state->split)
3713b4e3 2029 break;
925b5978 2030 /* fall through */
3713b4e3 2031 case 5:
1b8ec87a
ZG		 2032 if (rdev->ops->remain_on_channel &&
2033 (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) &&
3713b4e3
JB		 2034 nla_put_u32(msg,
2035 NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION,
1b8ec87a 2036 rdev->wiphy.max_remain_on_channel_duration))
3713b4e3
JB		 2037 goto nla_put_failure;
2038
1b8ec87a 2039 if ((rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) &&
3713b4e3
JB		 2040 nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK))
2041 goto nla_put_failure;
2042
2043 if (nl80211_send_mgmt_stypes(msg, mgmt_stypes))
2044 goto nla_put_failure;
86e8cf98
JB		 2045 state->split_start++;
2046 if (state->split)
3713b4e3 2047 break;
925b5978 2048 /* fall through */
3713b4e3
JB		 2049 case 6:
2050#ifdef CONFIG_PM
1b8ec87a 2051 if (nl80211_send_wowlan(msg, rdev, state->split))
3713b4e3 2052 goto nla_put_failure;
86e8cf98
JB		 2053 state->split_start++;
2054 if (state->split)
3713b4e3
JB		 2055 break;
2056#else
86e8cf98 2057 state->split_start++;
dfb89c56 2058#endif
925b5978 2059 /* fall through */
3713b4e3
JB		 2060 case 7:
2061 if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES,
1b8ec87a 2062 rdev->wiphy.software_iftypes))
3713b4e3 2063 goto nla_put_failure;
ff1b6e69 2064
1b8ec87a 2065 if (nl80211_put_iface_combinations(&rdev->wiphy, msg,
86e8cf98 2066 state->split))
3713b4e3 2067 goto nla_put_failure;
7527a782 2068
86e8cf98
JB		 2069 state->split_start++;
2070 if (state->split)
3713b4e3 2071 break;
925b5978 2072 /* fall through */
3713b4e3 2073 case 8:
1b8ec87a 2074 if ((rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) &&
3713b4e3 2075 nla_put_u32(msg, NL80211_ATTR_DEVICE_AP_SME,
1b8ec87a 2076 rdev->wiphy.ap_sme_capa))
3713b4e3 2077 goto nla_put_failure;
7527a782 2078
1b8ec87a 2079 features = rdev->wiphy.features;
fe1abafd
JB		 2080 /*
2081 * We can only add the per-channel limit information if the
2082 * dump is split, otherwise it makes it too big. Therefore
2083 * only advertise it in that case.
2084 */
86e8cf98 2085 if (state->split)
fe1abafd
JB		 2086 features |= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS;
2087 if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS, features))
3713b4e3 2088 goto nla_put_failure;
562a7480 2089
1b8ec87a 2090 if (rdev->wiphy.ht_capa_mod_mask &&
3713b4e3 2091 nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK,
1b8ec87a
ZG		 2092 sizeof(*rdev->wiphy.ht_capa_mod_mask),
2093 rdev->wiphy.ht_capa_mod_mask))
3713b4e3 2094 goto nla_put_failure;
1f074bd8 2095
1b8ec87a
ZG		 2096 if (rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME &&
2097 rdev->wiphy.max_acl_mac_addrs &&
3713b4e3 2098 nla_put_u32(msg, NL80211_ATTR_MAC_ACL_MAX,
1b8ec87a 2099 rdev->wiphy.max_acl_mac_addrs))
3713b4e3 2100 goto nla_put_failure;
7e7c8926 2101
3713b4e3
JB		 2102 /*
2103 * Any information below this point is only available to
2104 * applications that can deal with it being split. This
2105 * helps ensure that newly added capabilities don't break
2106 * older tools by overrunning their buffers.
2107 *
2108 * We still increment split_start so that in the split
2109 * case we'll continue with more data in the next round,
2110 * but break unconditionally so unsplit data stops here.
2111 */
86e8cf98 2112 state->split_start++;
3713b4e3
JB		 2113 break;
2114 case 9:
1b8ec87a 2115 if (rdev->wiphy.extended_capabilities &&
fe1abafd 2116 (nla_put(msg, NL80211_ATTR_EXT_CAPA,
1b8ec87a
ZG		 2117 rdev->wiphy.extended_capabilities_len,
2118 rdev->wiphy.extended_capabilities) ||
fe1abafd 2119 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
1b8ec87a
ZG		 2120 rdev->wiphy.extended_capabilities_len,
2121 rdev->wiphy.extended_capabilities_mask)))
fe1abafd 2122 goto nla_put_failure;
a50df0c4 2123
1b8ec87a 2124 if (rdev->wiphy.vht_capa_mod_mask &&
ee2aca34 2125 nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK,
1b8ec87a
ZG		 2126 sizeof(*rdev->wiphy.vht_capa_mod_mask),
2127 rdev->wiphy.vht_capa_mod_mask))
ee2aca34
JB		 2128 goto nla_put_failure;
2129
be29b99a
AK		 2130 state->split_start++;
2131 break;
2132 case 10:
1b8ec87a 2133 if (nl80211_send_coalesce(msg, rdev))
be29b99a
AK		 2134 goto nla_put_failure;
2135
1b8ec87a 2136 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ) &&
01e0daa4
FF		 2137 (nla_put_flag(msg, NL80211_ATTR_SUPPORT_5_MHZ) ||
2138 nla_put_flag(msg, NL80211_ATTR_SUPPORT_10_MHZ)))
2139 goto nla_put_failure;
b43504cf 2140
1b8ec87a 2141 if (rdev->wiphy.max_ap_assoc_sta &&
b43504cf 2142 nla_put_u32(msg, NL80211_ATTR_MAX_AP_ASSOC_STA,
1b8ec87a 2143 rdev->wiphy.max_ap_assoc_sta))
b43504cf
JM		 2144 goto nla_put_failure;
2145
ad7e718c
JB		 2146 state->split_start++;
2147 break;
2148 case 11:
1b8ec87a 2149 if (rdev->wiphy.n_vendor_commands) {
567ffc35
JB		 2150 const struct nl80211_vendor_cmd_info *info;
2151 struct nlattr *nested;
2152
ae0be8de
MK		 2153 nested = nla_nest_start_noflag(msg,
2154 NL80211_ATTR_VENDOR_DATA);
567ffc35
JB		 2155 if (!nested)
2156 goto nla_put_failure;
2157
1b8ec87a
ZG		 2158 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
2159 info = &rdev->wiphy.vendor_commands[i].info;
567ffc35
JB		 2160 if (nla_put(msg, i + 1, sizeof(*info), info))
2161 goto nla_put_failure;
2162 }
2163 nla_nest_end(msg, nested);
2164 }
2165
1b8ec87a 2166 if (rdev->wiphy.n_vendor_events) {
567ffc35
JB		 2167 const struct nl80211_vendor_cmd_info *info;
2168 struct nlattr *nested;
ad7e718c 2169
ae0be8de
MK		 2170 nested = nla_nest_start_noflag(msg,
2171 NL80211_ATTR_VENDOR_EVENTS);
567ffc35 2172 if (!nested)
ad7e718c 2173 goto nla_put_failure;
567ffc35 2174
1b8ec87a
ZG		 2175 for (i = 0; i < rdev->wiphy.n_vendor_events; i++) {
2176 info = &rdev->wiphy.vendor_events[i];
567ffc35
JB		 2177 if (nla_put(msg, i + 1, sizeof(*info), info))
2178 goto nla_put_failure;
2179 }
2180 nla_nest_end(msg, nested);
2181 }
9a774c78
AO		 2182 state->split_start++;
2183 break;
2184 case 12:
2185 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH &&
2186 nla_put_u8(msg, NL80211_ATTR_MAX_CSA_COUNTERS,
2187 rdev->wiphy.max_num_csa_counters))
2188 goto nla_put_failure;
01e0daa4 2189
1bdd716c
AN		 2190 if (rdev->wiphy.regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
2191 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
2192 goto nla_put_failure;
2193
ca986ad9
AVS		 2194 if (rdev->wiphy.max_sched_scan_reqs &&
2195 nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_MAX_REQS,
2196 rdev->wiphy.max_sched_scan_reqs))
2197 goto nla_put_failure;
2198
d75bb06b
GKS		 2199 if (nla_put(msg, NL80211_ATTR_EXT_FEATURES,
2200 sizeof(rdev->wiphy.ext_features),
2201 rdev->wiphy.ext_features))
2202 goto nla_put_failure;
2203
38de03d2
AS		 2204 if (rdev->wiphy.bss_select_support) {
2205 struct nlattr *nested;
2206 u32 bss_select_support = rdev->wiphy.bss_select_support;
2207
ae0be8de
MK		 2208 nested = nla_nest_start_noflag(msg,
2209 NL80211_ATTR_BSS_SELECT);
38de03d2
AS		 2210 if (!nested)
2211 goto nla_put_failure;
2212
2213 i = 0;
2214 while (bss_select_support) {
2215 if ((bss_select_support & 1) &&
2216 nla_put_flag(msg, i))
2217 goto nla_put_failure;
2218 i++;
2219 bss_select_support >>= 1;
2220 }
2221 nla_nest_end(msg, nested);
2222 }
2223
019ae3a9
KV		 2224 state->split_start++;
2225 break;
2226 case 13:
2227 if (rdev->wiphy.num_iftype_ext_capab &&
2228 rdev->wiphy.iftype_ext_capab) {
2229 struct nlattr *nested_ext_capab, *nested;
2230
ae0be8de
MK		 2231 nested = nla_nest_start_noflag(msg,
2232 NL80211_ATTR_IFTYPE_EXT_CAPA);
019ae3a9
KV		 2233 if (!nested)
2234 goto nla_put_failure;
2235
2236 for (i = state->capa_start;
2237 i < rdev->wiphy.num_iftype_ext_capab; i++) {
2238 const struct wiphy_iftype_ext_capab *capab;
2239
2240 capab = &rdev->wiphy.iftype_ext_capab[i];
2241
ae0be8de
MK		 2242 nested_ext_capab = nla_nest_start_noflag(msg,
2243 i);
019ae3a9
KV		 2244 if (!nested_ext_capab ||
2245 nla_put_u32(msg, NL80211_ATTR_IFTYPE,
2246 capab->iftype) ||
2247 nla_put(msg, NL80211_ATTR_EXT_CAPA,
2248 capab->extended_capabilities_len,
2249 capab->extended_capabilities) ||
2250 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
2251 capab->extended_capabilities_len,
2252 capab->extended_capabilities_mask))
2253 goto nla_put_failure;
2254
2255 nla_nest_end(msg, nested_ext_capab);
2256 if (state->split)
2257 break;
2258 }
2259 nla_nest_end(msg, nested);
2260 if (i < rdev->wiphy.num_iftype_ext_capab) {
2261 state->capa_start = i + 1;
2262 break;
2263 }
2264 }
2265
8585989d
LC		 2266 if (nla_put_u32(msg, NL80211_ATTR_BANDS,
2267 rdev->wiphy.nan_supported_bands))
2268 goto nla_put_failure;
2269
52539ca8
THJ		 2270 if (wiphy_ext_feature_isset(&rdev->wiphy,
2271 NL80211_EXT_FEATURE_TXQS)) {
2272 struct cfg80211_txq_stats txqstats = {};
2273 int res;
2274
2275 res = rdev_get_txq_stats(rdev, NULL, &txqstats);
2276 if (!res &&
2277 !nl80211_put_txq_stats(msg, &txqstats,
2278 NL80211_ATTR_TXQ_STATS))
2279 goto nla_put_failure;
2280
2281 if (nla_put_u32(msg, NL80211_ATTR_TXQ_LIMIT,
2282 rdev->wiphy.txq_limit))
2283 goto nla_put_failure;
2284 if (nla_put_u32(msg, NL80211_ATTR_TXQ_MEMORY_LIMIT,
2285 rdev->wiphy.txq_memory_limit))
2286 goto nla_put_failure;
2287 if (nla_put_u32(msg, NL80211_ATTR_TXQ_QUANTUM,
2288 rdev->wiphy.txq_quantum))
2289 goto nla_put_failure;
2290 }
2291
9bb7e0f2
JB		 2292 state->split_start++;
2293 break;
2294 case 14:
2295 if (nl80211_send_pmsr_capa(rdev, msg))
2296 goto nla_put_failure;
2297
ab4dfa20
VJ		 2298 state->split_start++;
2299 break;
2300 case 15:
2301 if (rdev->wiphy.akm_suites &&
2302 nla_put(msg, NL80211_ATTR_AKM_SUITES,
2303 sizeof(u32) * rdev->wiphy.n_akm_suites,
2304 rdev->wiphy.akm_suites))
2305 goto nla_put_failure;
2306
3713b4e3 2307 /* done */
86e8cf98 2308 state->split_start = 0;
3713b4e3
JB		 2309 break;
2310 }
3bb20556 2311 finish:
053c095a
JB		 2312 genlmsg_end(msg, hdr);
2313 return 0;
55682965
JB		 2314
2315 nla_put_failure:
bc3ed28c
TG		 2316 genlmsg_cancel(msg, hdr);
2317 return -EMSGSIZE;
55682965
JB		 2318}
2319
86e8cf98
JB		 2320static int nl80211_dump_wiphy_parse(struct sk_buff *skb,
2321 struct netlink_callback *cb,
2322 struct nl80211_dump_wiphy_state *state)
2323{
c90c39da 2324 struct nlattr **tb = genl_family_attrbuf(&nl80211_fam);
8cb08174
JB		 2325 int ret = nlmsg_parse_deprecated(cb->nlh,
2326 GENL_HDRLEN + nl80211_fam.hdrsize,
2327 tb, nl80211_fam.maxattr,
2328 nl80211_policy, NULL);
86e8cf98
JB		 2329 /* ignore parse errors for backward compatibility */
2330 if (ret)
2331 return 0;
2332
2333 state->split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP];
2334 if (tb[NL80211_ATTR_WIPHY])
2335 state->filter_wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
2336 if (tb[NL80211_ATTR_WDEV])
2337 state->filter_wiphy = nla_get_u64(tb[NL80211_ATTR_WDEV]) >> 32;
2338 if (tb[NL80211_ATTR_IFINDEX]) {
2339 struct net_device *netdev;
2340 struct cfg80211_registered_device *rdev;
2341 int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
2342
7f2b8562 2343 netdev = __dev_get_by_index(sock_net(skb->sk), ifidx);
86e8cf98
JB		 2344 if (!netdev)
2345 return -ENODEV;
2346 if (netdev->ieee80211_ptr) {
f26cbf40 2347 rdev = wiphy_to_rdev(
86e8cf98
JB		 2348 netdev->ieee80211_ptr->wiphy);
2349 state->filter_wiphy = rdev->wiphy_idx;
2350 }
86e8cf98
JB		 2351 }
2352
2353 return 0;
2354}
2355
55682965
JB		 2356static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
2357{
645e77de 2358 int idx = 0, ret;
86e8cf98 2359 struct nl80211_dump_wiphy_state *state = (void *)cb->args[0];
1b8ec87a 2360 struct cfg80211_registered_device *rdev;
3a5a423b 2361
5fe231e8 2362 rtnl_lock();
86e8cf98
JB		 2363 if (!state) {
2364 state = kzalloc(sizeof(*state), GFP_KERNEL);
57ed5cd6
JL		 2365 if (!state) {
2366 rtnl_unlock();
86e8cf98 2367 return -ENOMEM;
3713b4e3 2368 }
86e8cf98
JB		 2369 state->filter_wiphy = -1;
2370 ret = nl80211_dump_wiphy_parse(skb, cb, state);
2371 if (ret) {
2372 kfree(state);
2373 rtnl_unlock();
2374 return ret;
3713b4e3 2375 }
86e8cf98 2376 cb->args[0] = (long)state;
3713b4e3
JB		 2377 }
2378
1b8ec87a
ZG		 2379 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
2380 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
463d0183 2381 continue;
86e8cf98 2382 if (++idx <= state->start)
55682965 2383 continue;
86e8cf98 2384 if (state->filter_wiphy != -1 &&
1b8ec87a 2385 state->filter_wiphy != rdev->wiphy_idx)
3713b4e3
JB		 2386 continue;
2387 /* attempt to fit multiple wiphy data chunks into the skb */
2388 do {
3bb20556
JB		 2389 ret = nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY,
2390 skb,
3713b4e3
JB		 2391 NETLINK_CB(cb->skb).portid,
2392 cb->nlh->nlmsg_seq,
86e8cf98 2393 NLM_F_MULTI, state);
3713b4e3
JB		 2394 if (ret < 0) {
2395 /*
2396 * If sending the wiphy data didn't fit (ENOBUFS
2397 * or EMSGSIZE returned), this SKB is still
2398 * empty (so it's not too big because another
2399 * wiphy dataset is already in the skb) and
2400 * we've not tried to adjust the dump allocation
2401 * yet ... then adjust the alloc size to be
2402 * bigger, and return 1 but with the empty skb.
2403 * This results in an empty message being RX'ed
2404 * in userspace, but that is ignored.
2405 *
2406 * We can then retry with the larger buffer.
2407 */
2408 if ((ret == -ENOBUFS || ret == -EMSGSIZE) &&
f12cb289 2409 !skb->len && !state->split &&
3713b4e3
JB		 2410 cb->min_dump_alloc < 4096) {
2411 cb->min_dump_alloc = 4096;
f12cb289 2412 state->split_start = 0;
d98cae64 2413 rtnl_unlock();
3713b4e3
JB		 2414 return 1;
2415 }
2416 idx--;
2417 break;
645e77de 2418 }
86e8cf98 2419 } while (state->split_start > 0);
3713b4e3 2420 break;
55682965 2421 }
5fe231e8 2422 rtnl_unlock();
55682965 2423
86e8cf98 2424 state->start = idx;
55682965
JB		 2425
2426 return skb->len;
2427}
2428
86e8cf98
JB		 2429static int nl80211_dump_wiphy_done(struct netlink_callback *cb)
2430{
2431 kfree((void *)cb->args[0]);
2432 return 0;
2433}
2434
55682965
JB		 2435static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info)
2436{
2437 struct sk_buff *msg;
1b8ec87a 2438 struct cfg80211_registered_device *rdev = info->user_ptr[0];
86e8cf98 2439 struct nl80211_dump_wiphy_state state = {};
55682965 2440
645e77de 2441 msg = nlmsg_new(4096, GFP_KERNEL);
55682965 2442 if (!msg)
4c476991 2443 return -ENOMEM;
55682965 2444
3bb20556
JB		 2445 if (nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY, msg,
2446 info->snd_portid, info->snd_seq, 0,
86e8cf98 2447 &state) < 0) {
4c476991
JB		 2448 nlmsg_free(msg);
2449 return -ENOBUFS;
2450 }
55682965 2451
134e6375 2452 return genlmsg_reply(msg, info);
55682965
JB		 2453}
2454
31888487
JM		 2455static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = {
2456 [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 },
2457 [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 },
2458 [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 },
2459 [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 },
2460 [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 },
2461};
2462
2463static int parse_txq_params(struct nlattr *tb[],
2464 struct ieee80211_txq_params *txq_params)
2465{
259d8c1e
DW		 2466 u8 ac;
2467
a3304b0a 2468 if (!tb[NL80211_TXQ_ATTR_AC] || !tb[NL80211_TXQ_ATTR_TXOP] ||
31888487
JM		 2469 !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] ||
2470 !tb[NL80211_TXQ_ATTR_AIFS])
2471 return -EINVAL;
2472
259d8c1e 2473 ac = nla_get_u8(tb[NL80211_TXQ_ATTR_AC]);
31888487
JM		 2474 txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]);
2475 txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]);
2476 txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]);
2477 txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]);
2478
259d8c1e 2479 if (ac >= NL80211_NUM_ACS)
a3304b0a 2480 return -EINVAL;
259d8c1e 2481 txq_params->ac = array_index_nospec(ac, NL80211_NUM_ACS);
31888487
JM		 2482 return 0;
2483}
2484
f444de05
JB		 2485static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev)
2486{
2487 /*
cc1d2806
JB		 2488 * You can only set the channel explicitly for WDS interfaces,
2489 * all others have their channel managed via their respective
2490 * "establish a connection" command (connect, join, ...)
2491 *
2492 * For AP/GO and mesh mode, the channel can be set with the
2493 * channel userspace API, but is only stored and passed to the
2494 * low-level driver when the AP starts or the mesh is joined.
2495 * This is for backward compatibility, userspace can also give
2496 * the channel in the start-ap or join-mesh commands instead.
f444de05
JB		 2497 *
2498 * Monitors are special as they are normally slaved to
e8c9bd5b
JB		 2499 * whatever else is going on, so they have their own special
2500 * operation to set the monitor channel if possible.
f444de05
JB		 2501 */
2502 return !wdev ||
2503 wdev->iftype == NL80211_IFTYPE_AP ||
f444de05 2504 wdev->iftype == NL80211_IFTYPE_MESH_POINT ||
074ac8df
JB		 2505 wdev->iftype == NL80211_IFTYPE_MONITOR ||
2506 wdev->iftype == NL80211_IFTYPE_P2P_GO;
f444de05
JB		 2507}
2508
9bb7e0f2
JB		 2509int nl80211_parse_chandef(struct cfg80211_registered_device *rdev,
2510 struct genl_info *info,
2511 struct cfg80211_chan_def *chandef)
683b6d3b 2512{
49f9cf0e
JB		 2513 struct netlink_ext_ack *extack = info->extack;
2514 struct nlattr **attrs = info->attrs;
dbeca2ea 2515 u32 control_freq;
683b6d3b 2516
49f9cf0e 2517 if (!attrs[NL80211_ATTR_WIPHY_FREQ])
683b6d3b
JB		 2518 return -EINVAL;
2519
49f9cf0e 2520 control_freq = nla_get_u32(attrs[NL80211_ATTR_WIPHY_FREQ]);
683b6d3b
JB		 2521
2522 chandef->chan = ieee80211_get_channel(&rdev->wiphy, control_freq);
3d9d1d66
JB		 2523 chandef->width = NL80211_CHAN_WIDTH_20_NOHT;
2524 chandef->center_freq1 = control_freq;
2525 chandef->center_freq2 = 0;
683b6d3b
JB		 2526
2527 /* Primary channel not allowed */
49f9cf0e
JB		 2528 if (!chandef->chan || chandef->chan->flags & IEEE80211_CHAN_DISABLED) {
2529 NL_SET_ERR_MSG_ATTR(extack, attrs[NL80211_ATTR_WIPHY_FREQ],
2530 "Channel is disabled");
683b6d3b 2531 return -EINVAL;
49f9cf0e 2532 }
683b6d3b 2533
49f9cf0e 2534 if (attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
3d9d1d66
JB		 2535 enum nl80211_channel_type chantype;
2536
49f9cf0e 2537 chantype = nla_get_u32(attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
3d9d1d66
JB		 2538
2539 switch (chantype) {
2540 case NL80211_CHAN_NO_HT:
2541 case NL80211_CHAN_HT20:
2542 case NL80211_CHAN_HT40PLUS:
2543 case NL80211_CHAN_HT40MINUS:
2544 cfg80211_chandef_create(chandef, chandef->chan,
2545 chantype);
ffa4629e 2546 /* user input for center_freq is incorrect */
49f9cf0e
JB		 2547 if (attrs[NL80211_ATTR_CENTER_FREQ1] &&
2548 chandef->center_freq1 != nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ1])) {
2549 NL_SET_ERR_MSG_ATTR(extack,
2550 attrs[NL80211_ATTR_CENTER_FREQ1],
2551 "bad center frequency 1");
ffa4629e 2552 return -EINVAL;
49f9cf0e 2553 }
ffa4629e 2554 /* center_freq2 must be zero */
49f9cf0e
JB		 2555 if (attrs[NL80211_ATTR_CENTER_FREQ2] &&
2556 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ2])) {
2557 NL_SET_ERR_MSG_ATTR(extack,
2558 attrs[NL80211_ATTR_CENTER_FREQ2],
2559 "center frequency 2 can't be used");
ffa4629e 2560 return -EINVAL;
49f9cf0e 2561 }
3d9d1d66
JB		 2562 break;
2563 default:
49f9cf0e
JB		 2564 NL_SET_ERR_MSG_ATTR(extack,
2565 attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE],
2566 "invalid channel type");
3d9d1d66
JB		 2567 return -EINVAL;
2568 }
49f9cf0e 2569 } else if (attrs[NL80211_ATTR_CHANNEL_WIDTH]) {
3d9d1d66 2570 chandef->width =
49f9cf0e
JB		 2571 nla_get_u32(attrs[NL80211_ATTR_CHANNEL_WIDTH]);
2572 if (attrs[NL80211_ATTR_CENTER_FREQ1])
3d9d1d66 2573 chandef->center_freq1 =
49f9cf0e
JB		 2574 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ1]);
2575 if (attrs[NL80211_ATTR_CENTER_FREQ2])
3d9d1d66 2576 chandef->center_freq2 =
49f9cf0e 2577 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ2]);
3d9d1d66
JB		 2578 }
2579
49f9cf0e
JB		 2580 if (!cfg80211_chandef_valid(chandef)) {
2581 NL_SET_ERR_MSG(extack, "invalid channel definition");
3d9d1d66 2582 return -EINVAL;
49f9cf0e 2583 }
3d9d1d66 2584
9f5e8f6e 2585 if (!cfg80211_chandef_usable(&rdev->wiphy, chandef,
49f9cf0e
JB		 2586 IEEE80211_CHAN_DISABLED)) {
2587 NL_SET_ERR_MSG(extack, "(extension) channel is disabled");
3d9d1d66 2588 return -EINVAL;
49f9cf0e 2589 }
3d9d1d66 2590
2f301ab2
SW		 2591 if ((chandef->width == NL80211_CHAN_WIDTH_5 ||
2592 chandef->width == NL80211_CHAN_WIDTH_10) &&
49f9cf0e
JB		 2593 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ)) {
2594 NL_SET_ERR_MSG(extack, "5/10 MHz not supported");
2f301ab2 2595 return -EINVAL;
49f9cf0e 2596 }
2f301ab2 2597
683b6d3b
JB		 2598 return 0;
2599}
2600
f444de05 2601static int __nl80211_set_channel(struct cfg80211_registered_device *rdev,
e16821bc 2602 struct net_device *dev,
f444de05
JB		 2603 struct genl_info *info)
2604{
683b6d3b 2605 struct cfg80211_chan_def chandef;
f444de05 2606 int result;
e8c9bd5b 2607 enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR;
e16821bc 2608 struct wireless_dev *wdev = NULL;
e8c9bd5b 2609
e16821bc
JM		 2610 if (dev)
2611 wdev = dev->ieee80211_ptr;
f444de05
JB		 2612 if (!nl80211_can_set_dev_channel(wdev))
2613 return -EOPNOTSUPP;
e16821bc
JM		 2614 if (wdev)
2615 iftype = wdev->iftype;
f444de05 2616
683b6d3b
JB		 2617 result = nl80211_parse_chandef(rdev, info, &chandef);
2618 if (result)
2619 return result;
f444de05 2620
e8c9bd5b 2621 switch (iftype) {
aa430da4
JB		 2622 case NL80211_IFTYPE_AP:
2623 case NL80211_IFTYPE_P2P_GO:
923b352f
AN		 2624 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
2625 iftype)) {
aa430da4
JB		 2626 result = -EINVAL;
2627 break;
2628 }
e16821bc
JM		 2629 if (wdev->beacon_interval) {
2630 if (!dev || !rdev->ops->set_ap_chanwidth ||
2631 !(rdev->wiphy.features &
2632 NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE)) {
2633 result = -EBUSY;
2634 break;
2635 }
2636
2637 /* Only allow dynamic channel width changes */
2638 if (chandef.chan != wdev->preset_chandef.chan) {
2639 result = -EBUSY;
2640 break;
2641 }
2642 result = rdev_set_ap_chanwidth(rdev, dev, &chandef);
2643 if (result)
2644 break;
2645 }
683b6d3b 2646 wdev->preset_chandef = chandef;
aa430da4
JB		 2647 result = 0;
2648 break;
cc1d2806 2649 case NL80211_IFTYPE_MESH_POINT:
683b6d3b 2650 result = cfg80211_set_mesh_channel(rdev, wdev, &chandef);
cc1d2806 2651 break;
e8c9bd5b 2652 case NL80211_IFTYPE_MONITOR:
683b6d3b 2653 result = cfg80211_set_monitor_channel(rdev, &chandef);
e8c9bd5b 2654 break;
aa430da4 2655 default:
e8c9bd5b 2656 result = -EINVAL;
f444de05 2657 }
f444de05
JB		 2658
2659 return result;
2660}
2661
2662static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info)
2663{
4c476991
JB		 2664 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2665 struct net_device *netdev = info->user_ptr[1];
f444de05 2666
e16821bc 2667 return __nl80211_set_channel(rdev, netdev, info);
f444de05
JB		 2668}
2669
e8347eba
BJ		 2670static int nl80211_set_wds_peer(struct sk_buff *skb, struct genl_info *info)
2671{
43b19952
JB		 2672 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2673 struct net_device *dev = info->user_ptr[1];
2674 struct wireless_dev *wdev = dev->ieee80211_ptr;
388ac775 2675 const u8 *bssid;
e8347eba
BJ		 2676
2677 if (!info->attrs[NL80211_ATTR_MAC])
2678 return -EINVAL;
2679
43b19952
JB		 2680 if (netif_running(dev))
2681 return -EBUSY;
e8347eba 2682
43b19952
JB		 2683 if (!rdev->ops->set_wds_peer)
2684 return -EOPNOTSUPP;
e8347eba 2685
43b19952
JB		 2686 if (wdev->iftype != NL80211_IFTYPE_WDS)
2687 return -EOPNOTSUPP;
e8347eba
BJ		 2688
2689 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
e35e4d28 2690 return rdev_set_wds_peer(rdev, dev, bssid);
e8347eba
BJ		 2691}
2692
55682965
JB		 2693static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
2694{
2695 struct cfg80211_registered_device *rdev;
f444de05
JB		 2696 struct net_device *netdev = NULL;
2697 struct wireless_dev *wdev;
a1e567c8 2698 int result = 0, rem_txq_params = 0;
31888487 2699 struct nlattr *nl_txq_params;
b9a5f8ca
JM		 2700 u32 changed;
2701 u8 retry_short = 0, retry_long = 0;
2702 u32 frag_threshold = 0, rts_threshold = 0;
81077e82 2703 u8 coverage_class = 0;
52539ca8 2704 u32 txq_limit = 0, txq_memory_limit = 0, txq_quantum = 0;
55682965 2705
5fe231e8
JB		 2706 ASSERT_RTNL();
2707
f444de05
JB		 2708 /*
2709 * Try to find the wiphy and netdev. Normally this
2710 * function shouldn't need the netdev, but this is
2711 * done for backward compatibility -- previously
2712 * setting the channel was done per wiphy, but now
2713 * it is per netdev. Previous userland like hostapd
2714 * also passed a netdev to set_wiphy, so that it is
2715 * possible to let that go to the right netdev!
2716 */
4bbf4d56 2717
f444de05
JB		 2718 if (info->attrs[NL80211_ATTR_IFINDEX]) {
2719 int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]);
2720
7f2b8562 2721 netdev = __dev_get_by_index(genl_info_net(info), ifindex);
5fe231e8 2722 if (netdev && netdev->ieee80211_ptr)
f26cbf40 2723 rdev = wiphy_to_rdev(netdev->ieee80211_ptr->wiphy);
5fe231e8 2724 else
f444de05 2725 netdev = NULL;
4bbf4d56
JB		 2726 }
2727
f444de05 2728 if (!netdev) {
878d9ec7
JB		 2729 rdev = __cfg80211_rdev_from_attrs(genl_info_net(info),
2730 info->attrs);
5fe231e8 2731 if (IS_ERR(rdev))
4c476991 2732 return PTR_ERR(rdev);
f444de05
JB		 2733 wdev = NULL;
2734 netdev = NULL;
2735 result = 0;
71fe96bf 2736 } else
f444de05 2737 wdev = netdev->ieee80211_ptr;
f444de05
JB		 2738
2739 /*
2740 * end workaround code, by now the rdev is available
2741 * and locked, and wdev may or may not be NULL.
2742 */
4bbf4d56
JB		 2743
2744 if (info->attrs[NL80211_ATTR_WIPHY_NAME])
31888487
JM		 2745 result = cfg80211_dev_rename(
2746 rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME]));
4bbf4d56 2747
4bbf4d56 2748 if (result)
7f2b8562 2749 return result;
31888487
JM		 2750
2751 if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) {
2752 struct ieee80211_txq_params txq_params;
2753 struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1];
2754
7f2b8562
YX		 2755 if (!rdev->ops->set_txq_params)
2756 return -EOPNOTSUPP;
31888487 2757
7f2b8562
YX		 2758 if (!netdev)
2759 return -EINVAL;
f70f01c2 2760
133a3ff2 2761 if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
7f2b8562
YX		 2762 netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
2763 return -EINVAL;
133a3ff2 2764
7f2b8562
YX		 2765 if (!netif_running(netdev))
2766 return -ENETDOWN;
2b5f8b0b 2767
31888487
JM		 2768 nla_for_each_nested(nl_txq_params,
2769 info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS],
2770 rem_txq_params) {
8cb08174
JB		 2771 result = nla_parse_nested_deprecated(tb,
2772 NL80211_TXQ_ATTR_MAX,
2773 nl_txq_params,
2774 txq_params_policy,
2775 info->extack);
ae811e21
JB		 2776 if (result)
2777 return result;
31888487
JM		 2778 result = parse_txq_params(tb, &txq_params);
2779 if (result)
7f2b8562 2780 return result;
31888487 2781
e35e4d28
HG		 2782 result = rdev_set_txq_params(rdev, netdev,
2783 &txq_params);
31888487 2784 if (result)
7f2b8562 2785 return result;
31888487
JM		 2786 }
2787 }
55682965 2788
72bdcf34 2789 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
e16821bc
JM		 2790 result = __nl80211_set_channel(
2791 rdev,
2792 nl80211_can_set_dev_channel(wdev) ? netdev : NULL,
2793 info);
72bdcf34 2794 if (result)
7f2b8562 2795 return result;
72bdcf34
JM		 2796 }
2797
98d2ff8b 2798 if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) {
c8442118 2799 struct wireless_dev *txp_wdev = wdev;
98d2ff8b
JO		 2800 enum nl80211_tx_power_setting type;
2801 int idx, mbm = 0;
2802
c8442118
JB		 2803 if (!(rdev->wiphy.features & NL80211_FEATURE_VIF_TXPOWER))
2804 txp_wdev = NULL;
2805
7f2b8562
YX		 2806 if (!rdev->ops->set_tx_power)
2807 return -EOPNOTSUPP;
98d2ff8b
JO		 2808
2809 idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING;
2810 type = nla_get_u32(info->attrs[idx]);
2811
2812 if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] &&
7f2b8562
YX		 2813 (type != NL80211_TX_POWER_AUTOMATIC))
2814 return -EINVAL;
98d2ff8b
JO		 2815
2816 if (type != NL80211_TX_POWER_AUTOMATIC) {
2817 idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL;
2818 mbm = nla_get_u32(info->attrs[idx]);
2819 }
2820
c8442118 2821 result = rdev_set_tx_power(rdev, txp_wdev, type, mbm);
98d2ff8b 2822 if (result)
7f2b8562 2823 return result;
98d2ff8b
JO		 2824 }
2825
afe0cbf8
BR		 2826 if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] &&
2827 info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) {
2828 u32 tx_ant, rx_ant;
7a087e74 2829
7f531e03
BR		 2830 if ((!rdev->wiphy.available_antennas_tx &&
2831 !rdev->wiphy.available_antennas_rx) ||
7f2b8562
YX		 2832 !rdev->ops->set_antenna)
2833 return -EOPNOTSUPP;
afe0cbf8
BR		 2834
2835 tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]);
2836 rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]);
2837
a7ffac95 2838 /* reject antenna configurations which don't match the
7f531e03
BR		 2839 * available antenna masks, except for the "all" mask */
2840 if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) ||
7f2b8562
YX		 2841 (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx)))
2842 return -EINVAL;
a7ffac95 2843
7f531e03
BR		 2844 tx_ant = tx_ant & rdev->wiphy.available_antennas_tx;
2845 rx_ant = rx_ant & rdev->wiphy.available_antennas_rx;
a7ffac95 2846
e35e4d28 2847 result = rdev_set_antenna(rdev, tx_ant, rx_ant);
afe0cbf8 2848 if (result)
7f2b8562 2849 return result;
afe0cbf8
BR		 2850 }
2851
b9a5f8ca
JM		 2852 changed = 0;
2853
2854 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) {
2855 retry_short = nla_get_u8(
2856 info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]);
7f2b8562 2857
b9a5f8ca
JM		 2858 changed |= WIPHY_PARAM_RETRY_SHORT;
2859 }
2860
2861 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) {
2862 retry_long = nla_get_u8(
2863 info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]);
7f2b8562 2864
b9a5f8ca
JM		 2865 changed |= WIPHY_PARAM_RETRY_LONG;
2866 }
2867
2868 if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) {
2869 frag_threshold = nla_get_u32(
2870 info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]);
7f2b8562
YX		 2871 if (frag_threshold < 256)
2872 return -EINVAL;
2873
b9a5f8ca
JM		 2874 if (frag_threshold != (u32) -1) {
2875 /*
2876 * Fragments (apart from the last one) are required to
2877 * have even length. Make the fragmentation code
2878 * simpler by stripping LSB should someone try to use
2879 * odd threshold value.
2880 */
2881 frag_threshold &= ~0x1;
2882 }
2883 changed |= WIPHY_PARAM_FRAG_THRESHOLD;
2884 }
2885
2886 if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) {
2887 rts_threshold = nla_get_u32(
2888 info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]);
2889 changed |= WIPHY_PARAM_RTS_THRESHOLD;
2890 }
2891
81077e82 2892 if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) {
3057dbfd
LB		 2893 if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK])
2894 return -EINVAL;
2895
81077e82
LT		 2896 coverage_class = nla_get_u8(
2897 info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]);
2898 changed |= WIPHY_PARAM_COVERAGE_CLASS;
2899 }
2900
3057dbfd
LB		 2901 if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) {
2902 if (!(rdev->wiphy.features & NL80211_FEATURE_ACKTO_ESTIMATION))
2903 return -EOPNOTSUPP;
2904
2905 changed |= WIPHY_PARAM_DYN_ACK;
81077e82
LT		 2906 }
2907
52539ca8
THJ		 2908 if (info->attrs[NL80211_ATTR_TXQ_LIMIT]) {
2909 if (!wiphy_ext_feature_isset(&rdev->wiphy,
2910 NL80211_EXT_FEATURE_TXQS))
2911 return -EOPNOTSUPP;
2912 txq_limit = nla_get_u32(
2913 info->attrs[NL80211_ATTR_TXQ_LIMIT]);
2914 changed |= WIPHY_PARAM_TXQ_LIMIT;
2915 }
2916
2917 if (info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]) {
2918 if (!wiphy_ext_feature_isset(&rdev->wiphy,
2919 NL80211_EXT_FEATURE_TXQS))
2920 return -EOPNOTSUPP;
2921 txq_memory_limit = nla_get_u32(
2922 info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]);
2923 changed |= WIPHY_PARAM_TXQ_MEMORY_LIMIT;
2924 }
2925
2926 if (info->attrs[NL80211_ATTR_TXQ_QUANTUM]) {
2927 if (!wiphy_ext_feature_isset(&rdev->wiphy,
2928 NL80211_EXT_FEATURE_TXQS))
2929 return -EOPNOTSUPP;
2930 txq_quantum = nla_get_u32(
2931 info->attrs[NL80211_ATTR_TXQ_QUANTUM]);
2932 changed |= WIPHY_PARAM_TXQ_QUANTUM;
2933 }
2934
b9a5f8ca
JM		 2935 if (changed) {
2936 u8 old_retry_short, old_retry_long;
2937 u32 old_frag_threshold, old_rts_threshold;
81077e82 2938 u8 old_coverage_class;
52539ca8 2939 u32 old_txq_limit, old_txq_memory_limit, old_txq_quantum;
b9a5f8ca 2940
7f2b8562
YX		 2941 if (!rdev->ops->set_wiphy_params)
2942 return -EOPNOTSUPP;
b9a5f8ca
JM		 2943
2944 old_retry_short = rdev->wiphy.retry_short;
2945 old_retry_long = rdev->wiphy.retry_long;
2946 old_frag_threshold = rdev->wiphy.frag_threshold;
2947 old_rts_threshold = rdev->wiphy.rts_threshold;
81077e82 2948 old_coverage_class = rdev->wiphy.coverage_class;
52539ca8
THJ		 2949 old_txq_limit = rdev->wiphy.txq_limit;
2950 old_txq_memory_limit = rdev->wiphy.txq_memory_limit;
2951 old_txq_quantum = rdev->wiphy.txq_quantum;
b9a5f8ca
JM		 2952
2953 if (changed & WIPHY_PARAM_RETRY_SHORT)
2954 rdev->wiphy.retry_short = retry_short;
2955 if (changed & WIPHY_PARAM_RETRY_LONG)
2956 rdev->wiphy.retry_long = retry_long;
2957 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
2958 rdev->wiphy.frag_threshold = frag_threshold;
2959 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
2960 rdev->wiphy.rts_threshold = rts_threshold;
81077e82
LT		 2961 if (changed & WIPHY_PARAM_COVERAGE_CLASS)
2962 rdev->wiphy.coverage_class = coverage_class;
52539ca8
THJ		 2963 if (changed & WIPHY_PARAM_TXQ_LIMIT)
2964 rdev->wiphy.txq_limit = txq_limit;
2965 if (changed & WIPHY_PARAM_TXQ_MEMORY_LIMIT)
2966 rdev->wiphy.txq_memory_limit = txq_memory_limit;
2967 if (changed & WIPHY_PARAM_TXQ_QUANTUM)
2968 rdev->wiphy.txq_quantum = txq_quantum;
b9a5f8ca 2969
e35e4d28 2970 result = rdev_set_wiphy_params(rdev, changed);
b9a5f8ca
JM		 2971 if (result) {
2972 rdev->wiphy.retry_short = old_retry_short;
2973 rdev->wiphy.retry_long = old_retry_long;
2974 rdev->wiphy.frag_threshold = old_frag_threshold;
2975 rdev->wiphy.rts_threshold = old_rts_threshold;
81077e82 2976 rdev->wiphy.coverage_class = old_coverage_class;
52539ca8
THJ		 2977 rdev->wiphy.txq_limit = old_txq_limit;
2978 rdev->wiphy.txq_memory_limit = old_txq_memory_limit;
2979 rdev->wiphy.txq_quantum = old_txq_quantum;
9189ee31 2980 return result;
b9a5f8ca
JM		 2981 }
2982 }
7f2b8562 2983 return 0;
55682965
JB		 2984}
2985
683b6d3b 2986static int nl80211_send_chandef(struct sk_buff *msg,
d2859df5 2987 const struct cfg80211_chan_def *chandef)
683b6d3b 2988{
601555cd
JB		 2989 if (WARN_ON(!cfg80211_chandef_valid(chandef)))
2990 return -EINVAL;
3d9d1d66 2991
683b6d3b
JB		 2992 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
2993 chandef->chan->center_freq))
2994 return -ENOBUFS;
3d9d1d66
JB		 2995 switch (chandef->width) {
2996 case NL80211_CHAN_WIDTH_20_NOHT:
2997 case NL80211_CHAN_WIDTH_20:
2998 case NL80211_CHAN_WIDTH_40:
2999 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
3000 cfg80211_get_chandef_type(chandef)))
3001 return -ENOBUFS;
3002 break;
3003 default:
3004 break;
3005 }
3006 if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, chandef->width))
3007 return -ENOBUFS;
3008 if (nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, chandef->center_freq1))
3009 return -ENOBUFS;
3010 if (chandef->center_freq2 &&
3011 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, chandef->center_freq2))
683b6d3b
JB		 3012 return -ENOBUFS;
3013 return 0;
3014}
3015
15e47304 3016static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags,
d726405a 3017 struct cfg80211_registered_device *rdev,
3d1a5bbf
AZ		 3018 struct wireless_dev *wdev,
3019 enum nl80211_commands cmd)
55682965 3020{
72fb2abc 3021 struct net_device *dev = wdev->netdev;
55682965
JB		 3022 void *hdr;
3023
3d1a5bbf
AZ		 3024 WARN_ON(cmd != NL80211_CMD_NEW_INTERFACE &&
3025 cmd != NL80211_CMD_DEL_INTERFACE &&
3026 cmd != NL80211_CMD_SET_INTERFACE);
8f894be2
TB		 3027
3028 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
55682965
JB		 3029 if (!hdr)
3030 return -1;
3031
72fb2abc
JB		 3032 if (dev &&
3033 (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
98104fde 3034 nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name)))
72fb2abc
JB		 3035 goto nla_put_failure;
3036
3037 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
3038 nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) ||
2dad624e
ND		 3039 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
3040 NL80211_ATTR_PAD) ||
98104fde 3041 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) ||
9360ffd1
DM		 3042 nla_put_u32(msg, NL80211_ATTR_GENERATION,
3043 rdev->devlist_generation ^
446faa15
AQ		 3044 (cfg80211_rdev_list_generation << 2)) ||
3045 nla_put_u8(msg, NL80211_ATTR_4ADDR, wdev->use_4addr))
9360ffd1 3046 goto nla_put_failure;
f5ea9120 3047
5b7ccaf3 3048 if (rdev->ops->get_channel) {
683b6d3b
JB		 3049 int ret;
3050 struct cfg80211_chan_def chandef;
3051
3052 ret = rdev_get_channel(rdev, wdev, &chandef);
3053 if (ret == 0) {
3054 if (nl80211_send_chandef(msg, &chandef))
3055 goto nla_put_failure;
3056 }
d91df0e3
PF		 3057 }
3058
d55d0d59
RM		 3059 if (rdev->ops->get_tx_power) {
3060 int dbm, ret;
3061
3062 ret = rdev_get_tx_power(rdev, wdev, &dbm);
3063 if (ret == 0 &&
3064 nla_put_u32(msg, NL80211_ATTR_WIPHY_TX_POWER_LEVEL,
3065 DBM_TO_MBM(dbm)))
3066 goto nla_put_failure;
3067 }
3068
44905265
JB		 3069 wdev_lock(wdev);
3070 switch (wdev->iftype) {
3071 case NL80211_IFTYPE_AP:
3072 if (wdev->ssid_len &&
3073 nla_put(msg, NL80211_ATTR_SSID, wdev->ssid_len, wdev->ssid))
4564b187 3074 goto nla_put_failure_locked;
44905265
JB		 3075 break;
3076 case NL80211_IFTYPE_STATION:
3077 case NL80211_IFTYPE_P2P_CLIENT:
3078 case NL80211_IFTYPE_ADHOC: {
3079 const u8 *ssid_ie;
3080 if (!wdev->current_bss)
3081 break;
7a94b8c2 3082 rcu_read_lock();
44905265
JB		 3083 ssid_ie = ieee80211_bss_get_ie(&wdev->current_bss->pub,
3084 WLAN_EID_SSID);
7a94b8c2
DB		 3085 if (ssid_ie &&
3086 nla_put(msg, NL80211_ATTR_SSID, ssid_ie[1], ssid_ie + 2))
3087 goto nla_put_failure_rcu_locked;
3088 rcu_read_unlock();
44905265
JB		 3089 break;
3090 }
3091 default:
3092 /* nothing */
3093 break;
b84e7a05 3094 }
44905265 3095 wdev_unlock(wdev);
b84e7a05 3096
52539ca8
THJ		 3097 if (rdev->ops->get_txq_stats) {
3098 struct cfg80211_txq_stats txqstats = {};
3099 int ret = rdev_get_txq_stats(rdev, wdev, &txqstats);
3100
3101 if (ret == 0 &&
3102 !nl80211_put_txq_stats(msg, &txqstats,
3103 NL80211_ATTR_TXQ_STATS))
3104 goto nla_put_failure;
3105 }
3106
053c095a
JB		 3107 genlmsg_end(msg, hdr);
3108 return 0;
55682965 3109
7a94b8c2
DB		 3110 nla_put_failure_rcu_locked:
3111 rcu_read_unlock();
4564b187
JB		 3112 nla_put_failure_locked:
3113 wdev_unlock(wdev);
55682965 3114 nla_put_failure:
bc3ed28c
TG		 3115 genlmsg_cancel(msg, hdr);
3116 return -EMSGSIZE;
55682965
JB		 3117}
3118
3119static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb)
3120{
3121 int wp_idx = 0;
3122 int if_idx = 0;
3123 int wp_start = cb->args[0];
3124 int if_start = cb->args[1];
b7fb44da 3125 int filter_wiphy = -1;
f5ea9120 3126 struct cfg80211_registered_device *rdev;
55682965 3127 struct wireless_dev *wdev;
ea90e0dc 3128 int ret;
55682965 3129
5fe231e8 3130 rtnl_lock();
b7fb44da
DK		 3131 if (!cb->args[2]) {
3132 struct nl80211_dump_wiphy_state state = {
3133 .filter_wiphy = -1,
3134 };
b7fb44da
DK		 3135
3136 ret = nl80211_dump_wiphy_parse(skb, cb, &state);
3137 if (ret)
ea90e0dc 3138 goto out_unlock;
b7fb44da
DK		 3139
3140 filter_wiphy = state.filter_wiphy;
3141
3142 /*
3143 * if filtering, set cb->args[2] to +1 since 0 is the default
3144 * value needed to determine that parsing is necessary.
3145 */
3146 if (filter_wiphy >= 0)
3147 cb->args[2] = filter_wiphy + 1;
3148 else
3149 cb->args[2] = -1;
3150 } else if (cb->args[2] > 0) {
3151 filter_wiphy = cb->args[2] - 1;
3152 }
3153
f5ea9120
JB		 3154 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
3155 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
463d0183 3156 continue;
bba95fef
JB		 3157 if (wp_idx < wp_start) {
3158 wp_idx++;
55682965 3159 continue;
bba95fef 3160 }
b7fb44da
DK		 3161
3162 if (filter_wiphy >= 0 && filter_wiphy != rdev->wiphy_idx)
3163 continue;
3164
55682965
JB		 3165 if_idx = 0;
3166
53873f13 3167 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
bba95fef
JB		 3168 if (if_idx < if_start) {
3169 if_idx++;
55682965 3170 continue;
bba95fef 3171 }
15e47304 3172 if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid,
55682965 3173 cb->nlh->nlmsg_seq, NLM_F_MULTI,
3d1a5bbf
AZ		 3174 rdev, wdev,
3175 NL80211_CMD_NEW_INTERFACE) < 0) {
bba95fef
JB		 3176 goto out;
3177 }
3178 if_idx++;
55682965 3179 }
bba95fef
JB		 3180
3181 wp_idx++;
55682965 3182 }
bba95fef 3183 out:
55682965
JB		 3184 cb->args[0] = wp_idx;
3185 cb->args[1] = if_idx;
3186
ea90e0dc
JB		 3187 ret = skb->len;
3188 out_unlock:
3189 rtnl_unlock();
3190
3191 return ret;
55682965
JB		 3192}
3193
3194static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info)
3195{
3196 struct sk_buff *msg;
1b8ec87a 3197 struct cfg80211_registered_device *rdev = info->user_ptr[0];
72fb2abc 3198 struct wireless_dev *wdev = info->user_ptr[1];
55682965 3199
fd2120ca 3200 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
55682965 3201 if (!msg)
4c476991 3202 return -ENOMEM;
55682965 3203
15e47304 3204 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
3d1a5bbf 3205 rdev, wdev, NL80211_CMD_NEW_INTERFACE) < 0) {
4c476991
JB		 3206 nlmsg_free(msg);
3207 return -ENOBUFS;
3208 }
55682965 3209
134e6375 3210 return genlmsg_reply(msg, info);
55682965
JB		 3211}
3212
66f7ac50
MW		 3213static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = {
3214 [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG },
3215 [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG },
3216 [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG },
3217 [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG },
3218 [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG },
e057d3c3 3219 [NL80211_MNTR_FLAG_ACTIVE] = { .type = NLA_FLAG },
66f7ac50
MW		 3220};
3221
3222static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags)
3223{
3224 struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1];
3225 int flag;
3226
3227 *mntrflags = 0;
3228
3229 if (!nla)
3230 return -EINVAL;
3231
8cb08174 3232 if (nla_parse_nested_deprecated(flags, NL80211_MNTR_FLAG_MAX, nla, mntr_flags_policy, NULL))
66f7ac50
MW		 3233 return -EINVAL;
3234
3235 for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++)
3236 if (flags[flag])
3237 *mntrflags |= (1<<flag);
3238
818a986e
JB		 3239 *mntrflags |= MONITOR_FLAG_CHANGED;
3240
66f7ac50
MW		 3241 return 0;
3242}
3243
1db77596
JB		 3244static int nl80211_parse_mon_options(struct cfg80211_registered_device *rdev,
3245 enum nl80211_iftype type,
3246 struct genl_info *info,
3247 struct vif_params *params)
3248{
3249 bool change = false;
3250 int err;
3251
3252 if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) {
3253 if (type != NL80211_IFTYPE_MONITOR)
3254 return -EINVAL;
3255
3256 err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS],
3257 &params->flags);
3258 if (err)
3259 return err;
3260
3261 change = true;
3262 }
3263
3264 if (params->flags & MONITOR_FLAG_ACTIVE &&
3265 !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR))
3266 return -EOPNOTSUPP;
3267
3268 if (info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]) {
3269 const u8 *mumimo_groups;
3270 u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER;
3271
3272 if (type != NL80211_IFTYPE_MONITOR)
3273 return -EINVAL;
3274
3275 if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag))
3276 return -EOPNOTSUPP;
3277
3278 mumimo_groups =
3279 nla_data(info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]);
3280
3281 /* bits 0 and 63 are reserved and must be zero */
4954601f
JB		 3282 if ((mumimo_groups[0] & BIT(0)) ||
3283 (mumimo_groups[VHT_MUMIMO_GROUPS_DATA_LEN - 1] & BIT(7)))
1db77596
JB		 3284 return -EINVAL;
3285
3286 params->vht_mumimo_groups = mumimo_groups;
3287 change = true;
3288 }
3289
3290 if (info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]) {
3291 u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER;
3292
3293 if (type != NL80211_IFTYPE_MONITOR)
3294 return -EINVAL;
3295
3296 if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag))
3297 return -EOPNOTSUPP;
3298
3299 params->vht_mumimo_follow_addr =
3300 nla_data(info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]);
3301 change = true;
3302 }
3303
3304 return change ? 1 : 0;
3305}
3306
9bc383de 3307static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev,
ad4bb6f8
JB		 3308 struct net_device *netdev, u8 use_4addr,
3309 enum nl80211_iftype iftype)
9bc383de 3310{
ad4bb6f8 3311 if (!use_4addr) {
f350a0a8 3312 if (netdev && (netdev->priv_flags & IFF_BRIDGE_PORT))
ad4bb6f8 3313 return -EBUSY;
9bc383de 3314 return 0;
ad4bb6f8 3315 }
9bc383de
JB		 3316
3317 switch (iftype) {
3318 case NL80211_IFTYPE_AP_VLAN:
3319 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP)
3320 return 0;
3321 break;
3322 case NL80211_IFTYPE_STATION:
3323 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION)
3324 return 0;
3325 break;
3326 default:
3327 break;
3328 }
3329
3330 return -EOPNOTSUPP;
3331}
3332
55682965
JB		 3333static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
3334{
4c476991 3335 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2ec600d6 3336 struct vif_params params;
e36d56b6 3337 int err;
04a773ad 3338 enum nl80211_iftype otype, ntype;
4c476991 3339 struct net_device *dev = info->user_ptr[1];
ac7f9cfa 3340 bool change = false;
55682965 3341
2ec600d6
LCC		 3342 memset(&params, 0, sizeof(params));
3343
04a773ad 3344 otype = ntype = dev->ieee80211_ptr->iftype;
55682965 3345
723b038d 3346 if (info->attrs[NL80211_ATTR_IFTYPE]) {
ac7f9cfa 3347 ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
04a773ad 3348 if (otype != ntype)
ac7f9cfa 3349 change = true;
723b038d
JB		 3350 }
3351
92ffe055 3352 if (info->attrs[NL80211_ATTR_MESH_ID]) {
29cbe68c
JB		 3353 struct wireless_dev *wdev = dev->ieee80211_ptr;
3354
4c476991
JB		 3355 if (ntype != NL80211_IFTYPE_MESH_POINT)
3356 return -EINVAL;
29cbe68c
JB		 3357 if (netif_running(dev))
3358 return -EBUSY;
3359
3360 wdev_lock(wdev);
3361 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
3362 IEEE80211_MAX_MESH_ID_LEN);
3363 wdev->mesh_id_up_len =
3364 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
3365 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
3366 wdev->mesh_id_up_len);
3367 wdev_unlock(wdev);
2ec600d6
LCC		 3368 }
3369
8b787643
FF		 3370 if (info->attrs[NL80211_ATTR_4ADDR]) {
3371 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
3372 change = true;
ad4bb6f8 3373 err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype);
9bc383de 3374 if (err)
4c476991 3375 return err;
8b787643
FF		 3376 } else {
3377 params.use_4addr = -1;
3378 }
3379
1db77596
JB		 3380 err = nl80211_parse_mon_options(rdev, ntype, info, &params);
3381 if (err < 0)
3382 return err;
3383 if (err > 0)
c6e6a0c8 3384 change = true;
e057d3c3 3385
ac7f9cfa 3386 if (change)
818a986e 3387 err = cfg80211_change_iface(rdev, dev, ntype, &params);
ac7f9cfa
JB		 3388 else
3389 err = 0;
60719ffd 3390
9bc383de
JB		 3391 if (!err && params.use_4addr != -1)
3392 dev->ieee80211_ptr->use_4addr = params.use_4addr;
3393
3d1a5bbf
AZ		 3394 if (change && !err) {
3395 struct wireless_dev *wdev = dev->ieee80211_ptr;
3396
3397 nl80211_notify_iface(rdev, wdev, NL80211_CMD_SET_INTERFACE);
3398 }
3399
55682965
JB		 3400 return err;
3401}
3402
3403static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
3404{
4c476991 3405 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2ec600d6 3406 struct vif_params params;
84efbb84 3407 struct wireless_dev *wdev;
896ff063 3408 struct sk_buff *msg;
55682965
JB		 3409 int err;
3410 enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED;
3411
78f22b6a
JB		 3412 /* to avoid failing a new interface creation due to pending removal */
3413 cfg80211_destroy_ifaces(rdev);
3414
2ec600d6
LCC		 3415 memset(&params, 0, sizeof(params));
3416
55682965
JB		 3417 if (!info->attrs[NL80211_ATTR_IFNAME])
3418 return -EINVAL;
3419
ab0d76f6 3420 if (info->attrs[NL80211_ATTR_IFTYPE])
55682965 3421 type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
55682965 3422
79c97e97 3423 if (!rdev->ops->add_virtual_intf ||
4c476991
JB		 3424 !(rdev->wiphy.interface_modes & (1 << type)))
3425 return -EOPNOTSUPP;
55682965 3426
cb3b7d87 3427 if ((type == NL80211_IFTYPE_P2P_DEVICE || type == NL80211_IFTYPE_NAN ||
e8f479b1
BG		 3428 rdev->wiphy.features & NL80211_FEATURE_MAC_ON_CREATE) &&
3429 info->attrs[NL80211_ATTR_MAC]) {
1c18f145
AS		 3430 nla_memcpy(params.macaddr, info->attrs[NL80211_ATTR_MAC],
3431 ETH_ALEN);
3432 if (!is_valid_ether_addr(params.macaddr))
3433 return -EADDRNOTAVAIL;
3434 }
3435
9bc383de 3436 if (info->attrs[NL80211_ATTR_4ADDR]) {
8b787643 3437 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
ad4bb6f8 3438 err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type);
9bc383de 3439 if (err)
4c476991 3440 return err;
9bc383de 3441 }
8b787643 3442
1db77596
JB		 3443 err = nl80211_parse_mon_options(rdev, type, info, &params);
3444 if (err < 0)
3445 return err;
e057d3c3 3446
a18c7192
JB		 3447 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
3448 if (!msg)
3449 return -ENOMEM;
3450
e35e4d28
HG		 3451 wdev = rdev_add_virtual_intf(rdev,
3452 nla_data(info->attrs[NL80211_ATTR_IFNAME]),
818a986e 3453 NET_NAME_USER, type, &params);
d687cbb7
RM		 3454 if (WARN_ON(!wdev)) {
3455 nlmsg_free(msg);
3456 return -EPROTO;
3457 } else if (IS_ERR(wdev)) {
1c90f9d4 3458 nlmsg_free(msg);
84efbb84 3459 return PTR_ERR(wdev);
1c90f9d4 3460 }
2ec600d6 3461
18e5ca65 3462 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
78f22b6a
JB		 3463 wdev->owner_nlportid = info->snd_portid;
3464
98104fde
JB		 3465 switch (type) {
3466 case NL80211_IFTYPE_MESH_POINT:
3467 if (!info->attrs[NL80211_ATTR_MESH_ID])
3468 break;
29cbe68c
JB		 3469 wdev_lock(wdev);
3470 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
3471 IEEE80211_MAX_MESH_ID_LEN);
3472 wdev->mesh_id_up_len =
3473 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
3474 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
3475 wdev->mesh_id_up_len);
3476 wdev_unlock(wdev);
98104fde 3477 break;
cb3b7d87 3478 case NL80211_IFTYPE_NAN:
98104fde
JB		 3479 case NL80211_IFTYPE_P2P_DEVICE:
3480 /*
cb3b7d87 3481 * P2P Device and NAN do not have a netdev, so don't go
98104fde
JB		 3482 * through the netdev notifier and must be added here
3483 */
e4d4216e 3484 cfg80211_init_wdev(rdev, wdev);
98104fde
JB		 3485 break;
3486 default:
3487 break;
29cbe68c
JB		 3488 }
3489
15e47304 3490 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
3d1a5bbf 3491 rdev, wdev, NL80211_CMD_NEW_INTERFACE) < 0) {
1c90f9d4
JB		 3492 nlmsg_free(msg);
3493 return -ENOBUFS;
3494 }
3495
3496 return genlmsg_reply(msg, info);
55682965
JB		 3497}
3498
3499static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info)
3500{
4c476991 3501 struct cfg80211_registered_device *rdev = info->user_ptr[0];
84efbb84 3502 struct wireless_dev *wdev = info->user_ptr[1];
55682965 3503
4c476991
JB		 3504 if (!rdev->ops->del_virtual_intf)
3505 return -EOPNOTSUPP;
55682965 3506
84efbb84
JB		 3507 /*
3508 * If we remove a wireless device without a netdev then clear
3509 * user_ptr[1] so that nl80211_post_doit won't dereference it
3510 * to check if it needs to do dev_put(). Otherwise it crashes
3511 * since the wdev has been freed, unlike with a netdev where
3512 * we need the dev_put() for the netdev to really be freed.
3513 */
3514 if (!wdev->netdev)
3515 info->user_ptr[1] = NULL;
3516
7f8ed01e 3517 return rdev_del_virtual_intf(rdev, wdev);
55682965
JB		 3518}
3519
1d9d9213
SW		 3520static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info)
3521{
3522 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3523 struct net_device *dev = info->user_ptr[1];
3524 u16 noack_map;
3525
3526 if (!info->attrs[NL80211_ATTR_NOACK_MAP])
3527 return -EINVAL;
3528
3529 if (!rdev->ops->set_noack_map)
3530 return -EOPNOTSUPP;
3531
3532 noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]);
3533
e35e4d28 3534 return rdev_set_noack_map(rdev, dev, noack_map);
1d9d9213
SW		 3535}
3536
41ade00f
JB		 3537struct get_key_cookie {
3538 struct sk_buff *msg;
3539 int error;
b9454e83 3540 int idx;
41ade00f
JB		 3541};
3542
3543static void get_key_callback(void *c, struct key_params *params)
3544{
b9454e83 3545 struct nlattr *key;
41ade00f
JB		 3546 struct get_key_cookie *cookie = c;
3547
9360ffd1
DM		 3548 if ((params->key &&
3549 nla_put(cookie->msg, NL80211_ATTR_KEY_DATA,
3550 params->key_len, params->key)) ||
3551 (params->seq &&
3552 nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ,
3553 params->seq_len, params->seq)) ||
3554 (params->cipher &&
3555 nla_put_u32(cookie->msg, NL80211_ATTR_KEY_CIPHER,
3556 params->cipher)))
3557 goto nla_put_failure;
41ade00f 3558
ae0be8de 3559 key = nla_nest_start_noflag(cookie->msg, NL80211_ATTR_KEY);
b9454e83
JB		 3560 if (!key)
3561 goto nla_put_failure;
3562
9360ffd1
DM		 3563 if ((params->key &&
3564 nla_put(cookie->msg, NL80211_KEY_DATA,
3565 params->key_len, params->key)) ||
3566 (params->seq &&
3567 nla_put(cookie->msg, NL80211_KEY_SEQ,
3568 params->seq_len, params->seq)) ||
3569 (params->cipher &&
3570 nla_put_u32(cookie->msg, NL80211_KEY_CIPHER,
3571 params->cipher)))
3572 goto nla_put_failure;
b9454e83 3573
efdfce72 3574 if (nla_put_u8(cookie->msg, NL80211_KEY_IDX, cookie->idx))
9360ffd1 3575 goto nla_put_failure;
b9454e83
JB		 3576
3577 nla_nest_end(cookie->msg, key);
3578
41ade00f
JB		 3579 return;
3580 nla_put_failure:
3581 cookie->error = 1;
3582}
3583
3584static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info)
3585{
4c476991 3586 struct cfg80211_registered_device *rdev = info->user_ptr[0];
41ade00f 3587 int err;
4c476991 3588 struct net_device *dev = info->user_ptr[1];
41ade00f 3589 u8 key_idx = 0;
e31b8213
JB		 3590 const u8 *mac_addr = NULL;
3591 bool pairwise;
41ade00f
JB		 3592 struct get_key_cookie cookie = {
3593 .error = 0,
3594 };
3595 void *hdr;
3596 struct sk_buff *msg;
3597
3598 if (info->attrs[NL80211_ATTR_KEY_IDX])
3599 key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
3600
41ade00f
JB		 3601 if (info->attrs[NL80211_ATTR_MAC])
3602 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3603
e31b8213
JB		 3604 pairwise = !!mac_addr;
3605 if (info->attrs[NL80211_ATTR_KEY_TYPE]) {
3606 u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
7a087e74 3607
e31b8213
JB		 3608 if (kt != NL80211_KEYTYPE_GROUP &&
3609 kt != NL80211_KEYTYPE_PAIRWISE)
3610 return -EINVAL;
3611 pairwise = kt == NL80211_KEYTYPE_PAIRWISE;
3612 }
3613
4c476991
JB		 3614 if (!rdev->ops->get_key)
3615 return -EOPNOTSUPP;
41ade00f 3616
0fa7b391
JB		 3617 if (!pairwise && mac_addr && !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
3618 return -ENOENT;
3619
fd2120ca 3620 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4c476991
JB		 3621 if (!msg)
3622 return -ENOMEM;
41ade00f 3623
15e47304 3624 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
41ade00f 3625 NL80211_CMD_NEW_KEY);
cb35fba3 3626 if (!hdr)
9fe271af 3627 goto nla_put_failure;
41ade00f
JB		 3628
3629 cookie.msg = msg;
b9454e83 3630 cookie.idx = key_idx;
41ade00f 3631
9360ffd1
DM		 3632 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
3633 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx))
3634 goto nla_put_failure;
3635 if (mac_addr &&
3636 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr))
3637 goto nla_put_failure;
41ade00f 3638
e35e4d28
HG		 3639 err = rdev_get_key(rdev, dev, key_idx, pairwise, mac_addr, &cookie,
3640 get_key_callback);
41ade00f
JB		 3641
3642 if (err)
6c95e2a2 3643 goto free_msg;
41ade00f
JB		 3644
3645 if (cookie.error)
3646 goto nla_put_failure;
3647
3648 genlmsg_end(msg, hdr);
4c476991 3649 return genlmsg_reply(msg, info);
41ade00f
JB		 3650
3651 nla_put_failure:
3652 err = -ENOBUFS;
6c95e2a2 3653 free_msg:
41ade00f 3654 nlmsg_free(msg);
41ade00f
JB		 3655 return err;
3656}
3657
3658static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info)
3659{
4c476991 3660 struct cfg80211_registered_device *rdev = info->user_ptr[0];
b9454e83 3661 struct key_parse key;
41ade00f 3662 int err;
4c476991 3663 struct net_device *dev = info->user_ptr[1];
41ade00f 3664
b9454e83
JB		 3665 err = nl80211_parse_key(info, &key);
3666 if (err)
3667 return err;
41ade00f 3668
b9454e83 3669 if (key.idx < 0)
41ade00f
JB		 3670 return -EINVAL;
3671
6cdd3979
AW		 3672 /* Only support setting default key and
3673 * Extended Key ID action NL80211_KEY_SET_TX.
3674 */
3675 if (!key.def && !key.defmgmt &&
3676 !(key.p.mode == NL80211_KEY_SET_TX))
41ade00f
JB		 3677 return -EINVAL;
3678
dbd2fd65 3679 wdev_lock(dev->ieee80211_ptr);
3cfcf6ac 3680
dbd2fd65
JB		 3681 if (key.def) {
3682 if (!rdev->ops->set_default_key) {
3683 err = -EOPNOTSUPP;
3684 goto out;
3685 }
41ade00f 3686
dbd2fd65
JB		 3687 err = nl80211_key_allowed(dev->ieee80211_ptr);
3688 if (err)
3689 goto out;
3690
e35e4d28 3691 err = rdev_set_default_key(rdev, dev, key.idx,
dbd2fd65
JB		 3692 key.def_uni, key.def_multi);
3693
3694 if (err)
3695 goto out;
fffd0934 3696
3d23e349 3697#ifdef CONFIG_CFG80211_WEXT
dbd2fd65
JB		 3698 dev->ieee80211_ptr->wext.default_key = key.idx;
3699#endif
6cdd3979 3700 } else if (key.defmgmt) {
dbd2fd65
JB		 3701 if (key.def_uni || !key.def_multi) {
3702 err = -EINVAL;
3703 goto out;
3704 }
3705
3706 if (!rdev->ops->set_default_mgmt_key) {
3707 err = -EOPNOTSUPP;
3708 goto out;
3709 }
3710
3711 err = nl80211_key_allowed(dev->ieee80211_ptr);
3712 if (err)
3713 goto out;
3714
e35e4d28 3715 err = rdev_set_default_mgmt_key(rdev, dev, key.idx);
dbd2fd65
JB		 3716 if (err)
3717 goto out;
3718
3719#ifdef CONFIG_CFG80211_WEXT
3720 dev->ieee80211_ptr->wext.default_mgmt_key = key.idx;
08645126 3721#endif
6cdd3979
AW		 3722 } else if (key.p.mode == NL80211_KEY_SET_TX &&
3723 wiphy_ext_feature_isset(&rdev->wiphy,
3724 NL80211_EXT_FEATURE_EXT_KEY_ID)) {
3725 u8 *mac_addr = NULL;
3726
3727 if (info->attrs[NL80211_ATTR_MAC])
3728 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3729
3730 if (!mac_addr || key.idx < 0 || key.idx > 1) {
3731 err = -EINVAL;
3732 goto out;
3733 }
dbd2fd65 3734
6cdd3979
AW		 3735 err = rdev_add_key(rdev, dev, key.idx,
3736 NL80211_KEYTYPE_PAIRWISE,
3737 mac_addr, &key.p);
3738 } else {
3739 err = -EINVAL;
3740 }
dbd2fd65 3741 out:
fffd0934 3742 wdev_unlock(dev->ieee80211_ptr);
41ade00f 3743
41ade00f
JB		 3744 return err;
3745}
3746
3747static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info)
3748{
4c476991 3749 struct cfg80211_registered_device *rdev = info->user_ptr[0];
fffd0934 3750 int err;
4c476991 3751 struct net_device *dev = info->user_ptr[1];
b9454e83 3752 struct key_parse key;
e31b8213 3753 const u8 *mac_addr = NULL;
41ade00f 3754
b9454e83
JB		 3755 err = nl80211_parse_key(info, &key);
3756 if (err)
3757 return err;
41ade00f 3758
b9454e83 3759 if (!key.p.key)
41ade00f
JB		 3760 return -EINVAL;
3761
41ade00f
JB		 3762 if (info->attrs[NL80211_ATTR_MAC])
3763 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3764
e31b8213
JB		 3765 if (key.type == -1) {
3766 if (mac_addr)
3767 key.type = NL80211_KEYTYPE_PAIRWISE;
3768 else
3769 key.type = NL80211_KEYTYPE_GROUP;
3770 }
3771
3772 /* for now */
3773 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
3774 key.type != NL80211_KEYTYPE_GROUP)
3775 return -EINVAL;
3776
4c476991
JB		 3777 if (!rdev->ops->add_key)
3778 return -EOPNOTSUPP;
25e47c18 3779
e31b8213
JB		 3780 if (cfg80211_validate_key_settings(rdev, &key.p, key.idx,
3781 key.type == NL80211_KEYTYPE_PAIRWISE,
3782 mac_addr))
4c476991 3783 return -EINVAL;
41ade00f 3784
fffd0934
JB		 3785 wdev_lock(dev->ieee80211_ptr);
3786 err = nl80211_key_allowed(dev->ieee80211_ptr);
3787 if (!err)
e35e4d28
HG		 3788 err = rdev_add_key(rdev, dev, key.idx,
3789 key.type == NL80211_KEYTYPE_PAIRWISE,
3790 mac_addr, &key.p);
fffd0934 3791 wdev_unlock(dev->ieee80211_ptr);
41ade00f 3792
41ade00f
JB		 3793 return err;
3794}
3795
3796static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
3797{
4c476991 3798 struct cfg80211_registered_device *rdev = info->user_ptr[0];
41ade00f 3799 int err;
4c476991 3800 struct net_device *dev = info->user_ptr[1];
41ade00f 3801 u8 *mac_addr = NULL;
b9454e83 3802 struct key_parse key;
41ade00f 3803
b9454e83
JB		 3804 err = nl80211_parse_key(info, &key);
3805 if (err)
3806 return err;
41ade00f
JB		 3807
3808 if (info->attrs[NL80211_ATTR_MAC])
3809 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3810
e31b8213
JB		 3811 if (key.type == -1) {
3812 if (mac_addr)
3813 key.type = NL80211_KEYTYPE_PAIRWISE;
3814 else
3815 key.type = NL80211_KEYTYPE_GROUP;
3816 }
3817
3818 /* for now */
3819 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
3820 key.type != NL80211_KEYTYPE_GROUP)
3821 return -EINVAL;
3822
4c476991
JB		 3823 if (!rdev->ops->del_key)
3824 return -EOPNOTSUPP;
41ade00f 3825
fffd0934
JB		 3826 wdev_lock(dev->ieee80211_ptr);
3827 err = nl80211_key_allowed(dev->ieee80211_ptr);
e31b8213 3828
0fa7b391 3829 if (key.type == NL80211_KEYTYPE_GROUP && mac_addr &&
e31b8213
JB		 3830 !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
3831 err = -ENOENT;
3832
fffd0934 3833 if (!err)
e35e4d28
HG		 3834 err = rdev_del_key(rdev, dev, key.idx,
3835 key.type == NL80211_KEYTYPE_PAIRWISE,
3836 mac_addr);
41ade00f 3837
3d23e349 3838#ifdef CONFIG_CFG80211_WEXT
08645126 3839 if (!err) {
b9454e83 3840 if (key.idx == dev->ieee80211_ptr->wext.default_key)
08645126 3841 dev->ieee80211_ptr->wext.default_key = -1;
b9454e83 3842 else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key)
08645126
JB		 3843 dev->ieee80211_ptr->wext.default_mgmt_key = -1;
3844 }
3845#endif
fffd0934 3846 wdev_unlock(dev->ieee80211_ptr);
08645126 3847
41ade00f
JB		 3848 return err;
3849}
3850
77765eaf
VT		 3851/* This function returns an error or the number of nested attributes */
3852static int validate_acl_mac_addrs(struct nlattr *nl_attr)
3853{
3854 struct nlattr *attr;
3855 int n_entries = 0, tmp;
3856
3857 nla_for_each_nested(attr, nl_attr, tmp) {
3858 if (nla_len(attr) != ETH_ALEN)
3859 return -EINVAL;
3860
3861 n_entries++;
3862 }
3863
3864 return n_entries;
3865}
3866
3867/*
3868 * This function parses ACL information and allocates memory for ACL data.
3869 * On successful return, the calling function is responsible to free the
3870 * ACL buffer returned by this function.
3871 */
3872static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy,
3873 struct genl_info *info)
3874{
3875 enum nl80211_acl_policy acl_policy;
3876 struct nlattr *attr;
3877 struct cfg80211_acl_data *acl;
3878 int i = 0, n_entries, tmp;
3879
3880 if (!wiphy->max_acl_mac_addrs)
3881 return ERR_PTR(-EOPNOTSUPP);
3882
3883 if (!info->attrs[NL80211_ATTR_ACL_POLICY])
3884 return ERR_PTR(-EINVAL);
3885
3886 acl_policy = nla_get_u32(info->attrs[NL80211_ATTR_ACL_POLICY]);
3887 if (acl_policy != NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED &&
3888 acl_policy != NL80211_ACL_POLICY_DENY_UNLESS_LISTED)
3889 return ERR_PTR(-EINVAL);
3890
3891 if (!info->attrs[NL80211_ATTR_MAC_ADDRS])
3892 return ERR_PTR(-EINVAL);
3893
3894 n_entries = validate_acl_mac_addrs(info->attrs[NL80211_ATTR_MAC_ADDRS]);
3895 if (n_entries < 0)
3896 return ERR_PTR(n_entries);
3897
3898 if (n_entries > wiphy->max_acl_mac_addrs)
3899 return ERR_PTR(-ENOTSUPP);
3900
391d132c 3901 acl = kzalloc(struct_size(acl, mac_addrs, n_entries), GFP_KERNEL);
77765eaf
VT		 3902 if (!acl)
3903 return ERR_PTR(-ENOMEM);
3904
3905 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_MAC_ADDRS], tmp) {
3906 memcpy(acl->mac_addrs[i].addr, nla_data(attr), ETH_ALEN);
3907 i++;
3908 }
3909
3910 acl->n_acl_entries = n_entries;
3911 acl->acl_policy = acl_policy;
3912
3913 return acl;
3914}
3915
3916static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info)
3917{
3918 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3919 struct net_device *dev = info->user_ptr[1];
3920 struct cfg80211_acl_data *acl;
3921 int err;
3922
3923 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
3924 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
3925 return -EOPNOTSUPP;
3926
3927 if (!dev->ieee80211_ptr->beacon_interval)
3928 return -EINVAL;
3929
3930 acl = parse_acl_data(&rdev->wiphy, info);
3931 if (IS_ERR(acl))
3932 return PTR_ERR(acl);
3933
3934 err = rdev_set_mac_acl(rdev, dev, acl);
3935
3936 kfree(acl);
3937
3938 return err;
3939}
3940
a7c7fbff
PK		 3941static u32 rateset_to_mask(struct ieee80211_supported_band *sband,
3942 u8 *rates, u8 rates_len)
3943{
3944 u8 i;
3945 u32 mask = 0;
3946
3947 for (i = 0; i < rates_len; i++) {
3948 int rate = (rates[i] & 0x7f) * 5;
3949 int ridx;
3950
3951 for (ridx = 0; ridx < sband->n_bitrates; ridx++) {
3952 struct ieee80211_rate *srate =
3953 &sband->bitrates[ridx];
3954 if (rate == srate->bitrate) {
3955 mask |= 1 << ridx;
3956 break;
3957 }
3958 }
3959 if (ridx == sband->n_bitrates)
3960 return 0; /* rate not found */
3961 }
3962
3963 return mask;
3964}
3965
3966static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband,
3967 u8 *rates, u8 rates_len,
3968 u8 mcs[IEEE80211_HT_MCS_MASK_LEN])
3969{
3970 u8 i;
3971
3972 memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN);
3973
3974 for (i = 0; i < rates_len; i++) {
3975 int ridx, rbit;
3976
3977 ridx = rates[i] / 8;
3978 rbit = BIT(rates[i] % 8);
3979
3980 /* check validity */
3981 if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN))
3982 return false;
3983
3984 /* check availability */
30fe6d50 3985 ridx = array_index_nospec(ridx, IEEE80211_HT_MCS_MASK_LEN);
a7c7fbff
PK		 3986 if (sband->ht_cap.mcs.rx_mask[ridx] & rbit)
3987 mcs[ridx] |= rbit;
3988 else
3989 return false;
3990 }
3991
3992 return true;
3993}
3994
3995static u16 vht_mcs_map_to_mcs_mask(u8 vht_mcs_map)
3996{
3997 u16 mcs_mask = 0;
3998
3999 switch (vht_mcs_map) {
4000 case IEEE80211_VHT_MCS_NOT_SUPPORTED:
4001 break;
4002 case IEEE80211_VHT_MCS_SUPPORT_0_7:
4003 mcs_mask = 0x00FF;
4004 break;
4005 case IEEE80211_VHT_MCS_SUPPORT_0_8:
4006 mcs_mask = 0x01FF;
4007 break;
4008 case IEEE80211_VHT_MCS_SUPPORT_0_9:
4009 mcs_mask = 0x03FF;
4010 break;
4011 default:
4012 break;
4013 }
4014
4015 return mcs_mask;
4016}
4017
4018static void vht_build_mcs_mask(u16 vht_mcs_map,
4019 u16 vht_mcs_mask[NL80211_VHT_NSS_MAX])
4020{
4021 u8 nss;
4022
4023 for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) {
4024 vht_mcs_mask[nss] = vht_mcs_map_to_mcs_mask(vht_mcs_map & 0x03);
4025 vht_mcs_map >>= 2;
4026 }
4027}
4028
4029static bool vht_set_mcs_mask(struct ieee80211_supported_band *sband,
4030 struct nl80211_txrate_vht *txrate,
4031 u16 mcs[NL80211_VHT_NSS_MAX])
4032{
4033 u16 tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
4034 u16 tx_mcs_mask[NL80211_VHT_NSS_MAX] = {};
4035 u8 i;
4036
4037 if (!sband->vht_cap.vht_supported)
4038 return false;
4039
4040 memset(mcs, 0, sizeof(u16) * NL80211_VHT_NSS_MAX);
4041
4042 /* Build vht_mcs_mask from VHT capabilities */
4043 vht_build_mcs_mask(tx_mcs_map, tx_mcs_mask);
4044
4045 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
4046 if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i])
4047 mcs[i] = txrate->mcs[i];
4048 else
4049 return false;
4050 }
4051
4052 return true;
4053}
4054
4055static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = {
4056 [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY,
4057 .len = NL80211_MAX_SUPP_RATES },
4058 [NL80211_TXRATE_HT] = { .type = NLA_BINARY,
4059 .len = NL80211_MAX_SUPP_HT_RATES },
4060 [NL80211_TXRATE_VHT] = { .len = sizeof(struct nl80211_txrate_vht)},
4061 [NL80211_TXRATE_GI] = { .type = NLA_U8 },
4062};
4063
4064static int nl80211_parse_tx_bitrate_mask(struct genl_info *info,
4065 struct cfg80211_bitrate_mask *mask)
4066{
4067 struct nlattr *tb[NL80211_TXRATE_MAX + 1];
4068 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4069 int rem, i;
4070 struct nlattr *tx_rates;
4071 struct ieee80211_supported_band *sband;
4072 u16 vht_tx_mcs_map;
4073
4074 memset(mask, 0, sizeof(*mask));
4075 /* Default to all rates enabled */
4076 for (i = 0; i < NUM_NL80211_BANDS; i++) {
4077 sband = rdev->wiphy.bands[i];
4078
4079 if (!sband)
4080 continue;
4081
4082 mask->control[i].legacy = (1 << sband->n_bitrates) - 1;
4083 memcpy(mask->control[i].ht_mcs,
4084 sband->ht_cap.mcs.rx_mask,
4085 sizeof(mask->control[i].ht_mcs));
4086
4087 if (!sband->vht_cap.vht_supported)
4088 continue;
4089
4090 vht_tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
4091 vht_build_mcs_mask(vht_tx_mcs_map, mask->control[i].vht_mcs);
4092 }
4093
4094 /* if no rates are given set it back to the defaults */
4095 if (!info->attrs[NL80211_ATTR_TX_RATES])
4096 goto out;
4097
4098 /* The nested attribute uses enum nl80211_band as the index. This maps
4099 * directly to the enum nl80211_band values used in cfg80211.
4100 */
4101 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8);
4102 nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem) {
4103 enum nl80211_band band = nla_type(tx_rates);
4104 int err;
4105
4106 if (band < 0 || band >= NUM_NL80211_BANDS)
4107 return -EINVAL;
4108 sband = rdev->wiphy.bands[band];
4109 if (sband == NULL)
4110 return -EINVAL;
8cb08174
JB		 4111 err = nla_parse_nested_deprecated(tb, NL80211_TXRATE_MAX,
4112 tx_rates,
4113 nl80211_txattr_policy,
4114 info->extack);
a7c7fbff
PK		 4115 if (err)
4116 return err;
4117 if (tb[NL80211_TXRATE_LEGACY]) {
4118 mask->control[band].legacy = rateset_to_mask(
4119 sband,
4120 nla_data(tb[NL80211_TXRATE_LEGACY]),
4121 nla_len(tb[NL80211_TXRATE_LEGACY]));
4122 if ((mask->control[band].legacy == 0) &&
4123 nla_len(tb[NL80211_TXRATE_LEGACY]))
4124 return -EINVAL;
4125 }
4126 if (tb[NL80211_TXRATE_HT]) {
4127 if (!ht_rateset_to_mask(
4128 sband,
4129 nla_data(tb[NL80211_TXRATE_HT]),
4130 nla_len(tb[NL80211_TXRATE_HT]),
4131 mask->control[band].ht_mcs))
4132 return -EINVAL;
4133 }
4134 if (tb[NL80211_TXRATE_VHT]) {
4135 if (!vht_set_mcs_mask(
4136 sband,
4137 nla_data(tb[NL80211_TXRATE_VHT]),
4138 mask->control[band].vht_mcs))
4139 return -EINVAL;
4140 }
4141 if (tb[NL80211_TXRATE_GI]) {
4142 mask->control[band].gi =
4143 nla_get_u8(tb[NL80211_TXRATE_GI]);
4144 if (mask->control[band].gi > NL80211_TXRATE_FORCE_LGI)
4145 return -EINVAL;
4146 }
4147
4148 if (mask->control[band].legacy == 0) {
4149 /* don't allow empty legacy rates if HT or VHT
4150 * are not even supported.
4151 */
4152 if (!(rdev->wiphy.bands[band]->ht_cap.ht_supported ||
4153 rdev->wiphy.bands[band]->vht_cap.vht_supported))
4154 return -EINVAL;
4155
4156 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
4157 if (mask->control[band].ht_mcs[i])
4158 goto out;
4159
4160 for (i = 0; i < NL80211_VHT_NSS_MAX; i++)
4161 if (mask->control[band].vht_mcs[i])
4162 goto out;
4163
4164 /* legacy and mcs rates may not be both empty */
4165 return -EINVAL;
4166 }
4167 }
4168
4169out:
4170 return 0;
4171}
4172
8564e382
JB		 4173static int validate_beacon_tx_rate(struct cfg80211_registered_device *rdev,
4174 enum nl80211_band band,
4175 struct cfg80211_bitrate_mask *beacon_rate)
a7c7fbff 4176{
8564e382
JB		 4177 u32 count_ht, count_vht, i;
4178 u32 rate = beacon_rate->control[band].legacy;
a7c7fbff
PK		 4179
4180 /* Allow only one rate */
4181 if (hweight32(rate) > 1)
4182 return -EINVAL;
4183
4184 count_ht = 0;
4185 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) {
8564e382 4186 if (hweight8(beacon_rate->control[band].ht_mcs[i]) > 1) {
a7c7fbff 4187 return -EINVAL;
8564e382 4188 } else if (beacon_rate->control[band].ht_mcs[i]) {
a7c7fbff
PK		 4189 count_ht++;
4190 if (count_ht > 1)
4191 return -EINVAL;
4192 }
4193 if (count_ht && rate)
4194 return -EINVAL;
4195 }
4196
4197 count_vht = 0;
4198 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
8564e382 4199 if (hweight16(beacon_rate->control[band].vht_mcs[i]) > 1) {
a7c7fbff 4200 return -EINVAL;
8564e382 4201 } else if (beacon_rate->control[band].vht_mcs[i]) {
a7c7fbff
PK		 4202 count_vht++;
4203 if (count_vht > 1)
4204 return -EINVAL;
4205 }
4206 if (count_vht && rate)
4207 return -EINVAL;
4208 }
4209
4210 if ((count_ht && count_vht) || (!rate && !count_ht && !count_vht))
4211 return -EINVAL;
4212
8564e382
JB		 4213 if (rate &&
4214 !wiphy_ext_feature_isset(&rdev->wiphy,
4215 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY))
4216 return -EINVAL;
4217 if (count_ht &&
4218 !wiphy_ext_feature_isset(&rdev->wiphy,
4219 NL80211_EXT_FEATURE_BEACON_RATE_HT))
4220 return -EINVAL;
4221 if (count_vht &&
4222 !wiphy_ext_feature_isset(&rdev->wiphy,
4223 NL80211_EXT_FEATURE_BEACON_RATE_VHT))
4224 return -EINVAL;
4225
a7c7fbff
PK		 4226 return 0;
4227}
4228
81e54d08
PKC		 4229static int nl80211_parse_beacon(struct cfg80211_registered_device *rdev,
4230 struct nlattr *attrs[],
8860020e 4231 struct cfg80211_beacon_data *bcn)
ed1b6cc7 4232{
8860020e 4233 bool haveinfo = false;
81e54d08 4234 int err;
ed1b6cc7 4235
8860020e 4236 memset(bcn, 0, sizeof(*bcn));
ed1b6cc7 4237
a1193be8
SW		 4238 if (attrs[NL80211_ATTR_BEACON_HEAD]) {
4239 bcn->head = nla_data(attrs[NL80211_ATTR_BEACON_HEAD]);
4240 bcn->head_len = nla_len(attrs[NL80211_ATTR_BEACON_HEAD]);
8860020e
JB		 4241 if (!bcn->head_len)
4242 return -EINVAL;
4243 haveinfo = true;
ed1b6cc7
JB		 4244 }
4245
a1193be8
SW		 4246 if (attrs[NL80211_ATTR_BEACON_TAIL]) {
4247 bcn->tail = nla_data(attrs[NL80211_ATTR_BEACON_TAIL]);
4248 bcn->tail_len = nla_len(attrs[NL80211_ATTR_BEACON_TAIL]);
8860020e 4249 haveinfo = true;
ed1b6cc7
JB		 4250 }
4251
4c476991
JB		 4252 if (!haveinfo)
4253 return -EINVAL;
3b85875a 4254
a1193be8
SW		 4255 if (attrs[NL80211_ATTR_IE]) {
4256 bcn->beacon_ies = nla_data(attrs[NL80211_ATTR_IE]);
4257 bcn->beacon_ies_len = nla_len(attrs[NL80211_ATTR_IE]);
9946ecfb
JM		 4258 }
4259
a1193be8 4260 if (attrs[NL80211_ATTR_IE_PROBE_RESP]) {
8860020e 4261 bcn->proberesp_ies =
a1193be8 4262 nla_data(attrs[NL80211_ATTR_IE_PROBE_RESP]);
8860020e 4263 bcn->proberesp_ies_len =
a1193be8 4264 nla_len(attrs[NL80211_ATTR_IE_PROBE_RESP]);
9946ecfb
JM		 4265 }
4266
a1193be8 4267 if (attrs[NL80211_ATTR_IE_ASSOC_RESP]) {
8860020e 4268 bcn->assocresp_ies =
a1193be8 4269 nla_data(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
8860020e 4270 bcn->assocresp_ies_len =
a1193be8 4271 nla_len(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
9946ecfb
JM		 4272 }
4273
a1193be8
SW		 4274 if (attrs[NL80211_ATTR_PROBE_RESP]) {
4275 bcn->probe_resp = nla_data(attrs[NL80211_ATTR_PROBE_RESP]);
4276 bcn->probe_resp_len = nla_len(attrs[NL80211_ATTR_PROBE_RESP]);
00f740e1
AN		 4277 }
4278
81e54d08
PKC		 4279 if (attrs[NL80211_ATTR_FTM_RESPONDER]) {
4280 struct nlattr *tb[NL80211_FTM_RESP_ATTR_MAX + 1];
4281
8cb08174
JB		 4282 err = nla_parse_nested_deprecated(tb,
4283 NL80211_FTM_RESP_ATTR_MAX,
4284 attrs[NL80211_ATTR_FTM_RESPONDER],
4285 NULL, NULL);
81e54d08
PKC		 4286 if (err)
4287 return err;
4288
4289 if (tb[NL80211_FTM_RESP_ATTR_ENABLED] &&
4290 wiphy_ext_feature_isset(&rdev->wiphy,
4291 NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER))
4292 bcn->ftm_responder = 1;
4293 else
4294 return -EOPNOTSUPP;
4295
4296 if (tb[NL80211_FTM_RESP_ATTR_LCI]) {
4297 bcn->lci = nla_data(tb[NL80211_FTM_RESP_ATTR_LCI]);
4298 bcn->lci_len = nla_len(tb[NL80211_FTM_RESP_ATTR_LCI]);
4299 }
4300
4301 if (tb[NL80211_FTM_RESP_ATTR_CIVICLOC]) {
4302 bcn->civicloc = nla_data(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]);
4303 bcn->civicloc_len = nla_len(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]);
4304 }
4305 } else {
4306 bcn->ftm_responder = -1;
4307 }
4308
8860020e
JB		 4309 return 0;
4310}
4311
66cd794e
JB		 4312static void nl80211_check_ap_rate_selectors(struct cfg80211_ap_settings *params,
4313 const u8 *rates)
4314{
4315 int i;
4316
4317 if (!rates)
4318 return;
4319
4320 for (i = 0; i < rates[1]; i++) {
4321 if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_HT_PHY)
4322 params->ht_required = true;
4323 if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_VHT_PHY)
4324 params->vht_required = true;
4325 }
4326}
4327
4328/*
4329 * Since the nl80211 API didn't include, from the beginning, attributes about
4330 * HT/VHT requirements/capabilities, we parse them out of the IEs for the
4331 * benefit of drivers that rebuild IEs in the firmware.
4332 */
4333static void nl80211_calculate_ap_params(struct cfg80211_ap_settings *params)
4334{
4335 const struct cfg80211_beacon_data *bcn = &params->beacon;
ba83bfb1
IM		 4336 size_t ies_len = bcn->tail_len;
4337 const u8 *ies = bcn->tail;
66cd794e
JB		 4338 const u8 *rates;
4339 const u8 *cap;
4340
4341 rates = cfg80211_find_ie(WLAN_EID_SUPP_RATES, ies, ies_len);
4342 nl80211_check_ap_rate_selectors(params, rates);
4343
4344 rates = cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES, ies, ies_len);
4345 nl80211_check_ap_rate_selectors(params, rates);
4346
4347 cap = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, ies, ies_len);
4348 if (cap && cap[1] >= sizeof(*params->ht_cap))
4349 params->ht_cap = (void *)(cap + 2);
4350 cap = cfg80211_find_ie(WLAN_EID_VHT_CAPABILITY, ies, ies_len);
4351 if (cap && cap[1] >= sizeof(*params->vht_cap))
4352 params->vht_cap = (void *)(cap + 2);
244eb9ae
ST		 4353 cap = cfg80211_find_ext_ie(WLAN_EID_EXT_HE_CAPABILITY, ies, ies_len);
4354 if (cap && cap[1] >= sizeof(*params->he_cap) + 1)
4355 params->he_cap = (void *)(cap + 3);
66cd794e
JB		 4356}
4357
46c1dd0c
FF		 4358static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev,
4359 struct cfg80211_ap_settings *params)
4360{
4361 struct wireless_dev *wdev;
4362 bool ret = false;
4363
53873f13 4364 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
46c1dd0c
FF		 4365 if (wdev->iftype != NL80211_IFTYPE_AP &&
4366 wdev->iftype != NL80211_IFTYPE_P2P_GO)
4367 continue;
4368
683b6d3b 4369 if (!wdev->preset_chandef.chan)
46c1dd0c
FF		 4370 continue;
4371
683b6d3b 4372 params->chandef = wdev->preset_chandef;
46c1dd0c
FF		 4373 ret = true;
4374 break;
4375 }
4376
46c1dd0c
FF		 4377 return ret;
4378}
4379
e39e5b5e
JM		 4380static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev,
4381 enum nl80211_auth_type auth_type,
4382 enum nl80211_commands cmd)
4383{
4384 if (auth_type > NL80211_AUTHTYPE_MAX)
4385 return false;
4386
4387 switch (cmd) {
4388 case NL80211_CMD_AUTHENTICATE:
4389 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
4390 auth_type == NL80211_AUTHTYPE_SAE)
4391 return false;
63181060
JM		 4392 if (!wiphy_ext_feature_isset(&rdev->wiphy,
4393 NL80211_EXT_FEATURE_FILS_STA) &&
4394 (auth_type == NL80211_AUTHTYPE_FILS_SK ||
4395 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
4396 auth_type == NL80211_AUTHTYPE_FILS_PK))
4397 return false;
e39e5b5e
JM		 4398 return true;
4399 case NL80211_CMD_CONNECT:
10773a7c
SD		 4400 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
4401 auth_type == NL80211_AUTHTYPE_SAE)
a3caf744 4402 return false;
10773a7c 4403
a3caf744
VK		 4404 /* FILS with SK PFS or PK not supported yet */
4405 if (auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
4406 auth_type == NL80211_AUTHTYPE_FILS_PK)
4407 return false;
4408 if (!wiphy_ext_feature_isset(
4409 &rdev->wiphy,
4410 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) &&
4411 auth_type == NL80211_AUTHTYPE_FILS_SK)
4412 return false;
4413 return true;
e39e5b5e
JM		 4414 case NL80211_CMD_START_AP:
4415 /* SAE not supported yet */
4416 if (auth_type == NL80211_AUTHTYPE_SAE)
4417 return false;
63181060
JM		 4418 /* FILS not supported yet */
4419 if (auth_type == NL80211_AUTHTYPE_FILS_SK ||
4420 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
4421 auth_type == NL80211_AUTHTYPE_FILS_PK)
4422 return false;
e39e5b5e
JM		 4423 return true;
4424 default:
4425 return false;
4426 }
4427}
4428
8860020e
JB		 4429static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
4430{
4431 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4432 struct net_device *dev = info->user_ptr[1];
4433 struct wireless_dev *wdev = dev->ieee80211_ptr;
4434 struct cfg80211_ap_settings params;
4435 int err;
4436
4437 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4438 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4439 return -EOPNOTSUPP;
4440
4441 if (!rdev->ops->start_ap)
4442 return -EOPNOTSUPP;
4443
4444 if (wdev->beacon_interval)
4445 return -EALREADY;
4446
4447 memset(&params, 0, sizeof(params));
4448
4449 /* these are required for START_AP */
4450 if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] ||
4451 !info->attrs[NL80211_ATTR_DTIM_PERIOD] ||
4452 !info->attrs[NL80211_ATTR_BEACON_HEAD])
4453 return -EINVAL;
4454
81e54d08 4455 err = nl80211_parse_beacon(rdev, info->attrs, &params.beacon);
8860020e
JB		 4456 if (err)
4457 return err;
4458
4459 params.beacon_interval =
4460 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
4461 params.dtim_period =
4462 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
4463
0c317a02
PK		 4464 err = cfg80211_validate_beacon_int(rdev, dev->ieee80211_ptr->iftype,
4465 params.beacon_interval);
8860020e
JB		 4466 if (err)
4467 return err;
4468
4469 /*
4470 * In theory, some of these attributes should be required here
4471 * but since they were not used when the command was originally
4472 * added, keep them optional for old user space programs to let
4473 * them continue to work with drivers that do not need the
4474 * additional information -- drivers must check!
4475 */
4476 if (info->attrs[NL80211_ATTR_SSID]) {
4477 params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
4478 params.ssid_len =
4479 nla_len(info->attrs[NL80211_ATTR_SSID]);
4480 if (params.ssid_len == 0 ||
4481 params.ssid_len > IEEE80211_MAX_SSID_LEN)
4482 return -EINVAL;
4483 }
4484
ab0d76f6 4485 if (info->attrs[NL80211_ATTR_HIDDEN_SSID])
8860020e
JB		 4486 params.hidden_ssid = nla_get_u32(
4487 info->attrs[NL80211_ATTR_HIDDEN_SSID]);
8860020e
JB		 4488
4489 params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
4490
4491 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
4492 params.auth_type = nla_get_u32(
4493 info->attrs[NL80211_ATTR_AUTH_TYPE]);
e39e5b5e
JM		 4494 if (!nl80211_valid_auth_type(rdev, params.auth_type,
4495 NL80211_CMD_START_AP))
8860020e
JB		 4496 return -EINVAL;
4497 } else
4498 params.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
4499
4500 err = nl80211_crypto_settings(rdev, info, &params.crypto,
4501 NL80211_MAX_NR_CIPHER_SUITES);
4502 if (err)
4503 return err;
4504
1b658f11
VT		 4505 if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) {
4506 if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER))
4507 return -EOPNOTSUPP;
4508 params.inactivity_timeout = nla_get_u16(
4509 info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]);
4510 }
4511
53cabad7
JB		 4512 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
4513 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4514 return -EINVAL;
4515 params.p2p_ctwindow =
4516 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
53cabad7
JB		 4517 if (params.p2p_ctwindow != 0 &&
4518 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
4519 return -EINVAL;
4520 }
4521
4522 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
4523 u8 tmp;
4524
4525 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4526 return -EINVAL;
4527 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
53cabad7
JB		 4528 params.p2p_opp_ps = tmp;
4529 if (params.p2p_opp_ps != 0 &&
4530 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
4531 return -EINVAL;
4532 }
4533
aa430da4 4534 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
683b6d3b
JB		 4535 err = nl80211_parse_chandef(rdev, info, &params.chandef);
4536 if (err)
4537 return err;
4538 } else if (wdev->preset_chandef.chan) {
4539 params.chandef = wdev->preset_chandef;
46c1dd0c 4540 } else if (!nl80211_get_ap_channel(rdev, &params))
aa430da4
JB		 4541 return -EINVAL;
4542
923b352f
AN		 4543 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &params.chandef,
4544 wdev->iftype))
aa430da4
JB		 4545 return -EINVAL;
4546
a7c7fbff
PK		 4547 if (info->attrs[NL80211_ATTR_TX_RATES]) {
4548 err = nl80211_parse_tx_bitrate_mask(info, &params.beacon_rate);
4549 if (err)
4550 return err;
4551
8564e382
JB		 4552 err = validate_beacon_tx_rate(rdev, params.chandef.chan->band,
4553 &params.beacon_rate);
a7c7fbff
PK		 4554 if (err)
4555 return err;
4556 }
4557
18998c38
EP		 4558 if (info->attrs[NL80211_ATTR_SMPS_MODE]) {
4559 params.smps_mode =
4560 nla_get_u8(info->attrs[NL80211_ATTR_SMPS_MODE]);
4561 switch (params.smps_mode) {
4562 case NL80211_SMPS_OFF:
4563 break;
4564 case NL80211_SMPS_STATIC:
4565 if (!(rdev->wiphy.features &
4566 NL80211_FEATURE_STATIC_SMPS))
4567 return -EINVAL;
4568 break;
4569 case NL80211_SMPS_DYNAMIC:
4570 if (!(rdev->wiphy.features &
4571 NL80211_FEATURE_DYNAMIC_SMPS))
4572 return -EINVAL;
4573 break;
4574 default:
4575 return -EINVAL;
4576 }
4577 } else {
4578 params.smps_mode = NL80211_SMPS_OFF;
4579 }
4580
6e8ef842
PK		 4581 params.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
4582 if (params.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ])
4583 return -EOPNOTSUPP;
4584
4baf6bea
OO		 4585 if (info->attrs[NL80211_ATTR_ACL_POLICY]) {
4586 params.acl = parse_acl_data(&rdev->wiphy, info);
4587 if (IS_ERR(params.acl))
4588 return PTR_ERR(params.acl);
4589 }
4590
66cd794e
JB		 4591 nl80211_calculate_ap_params(&params);
4592
fe494370
SD		 4593 if (info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])
4594 params.flags |= AP_SETTINGS_EXTERNAL_AUTH_SUPPORT;
4595
c56589ed 4596 wdev_lock(wdev);
e35e4d28 4597 err = rdev_start_ap(rdev, dev, &params);
46c1dd0c 4598 if (!err) {
683b6d3b 4599 wdev->preset_chandef = params.chandef;
8860020e 4600 wdev->beacon_interval = params.beacon_interval;
9e0e2961 4601 wdev->chandef = params.chandef;
06e191e2
AQ		 4602 wdev->ssid_len = params.ssid_len;
4603 memcpy(wdev->ssid, params.ssid, wdev->ssid_len);
466a3061
DK		 4604
4605 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
4606 wdev->conn_owner_nlportid = info->snd_portid;
46c1dd0c 4607 }
c56589ed 4608 wdev_unlock(wdev);
77765eaf
VT		 4609
4610 kfree(params.acl);
4611
56d1893d 4612 return err;
ed1b6cc7
JB		 4613}
4614
8860020e
JB		 4615static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info)
4616{
4617 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4618 struct net_device *dev = info->user_ptr[1];
4619 struct wireless_dev *wdev = dev->ieee80211_ptr;
4620 struct cfg80211_beacon_data params;
4621 int err;
4622
4623 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4624 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4625 return -EOPNOTSUPP;
4626
4627 if (!rdev->ops->change_beacon)
4628 return -EOPNOTSUPP;
4629
4630 if (!wdev->beacon_interval)
4631 return -EINVAL;
4632
81e54d08 4633 err = nl80211_parse_beacon(rdev, info->attrs, &params);
8860020e
JB		 4634 if (err)
4635 return err;
4636
c56589ed
SW		 4637 wdev_lock(wdev);
4638 err = rdev_change_beacon(rdev, dev, &params);
4639 wdev_unlock(wdev);
4640
4641 return err;
8860020e
JB		 4642}
4643
4644static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info)
ed1b6cc7 4645{
4c476991
JB		 4646 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4647 struct net_device *dev = info->user_ptr[1];
ed1b6cc7 4648
7c8d5e03 4649 return cfg80211_stop_ap(rdev, dev, false);
ed1b6cc7
JB		 4650}
4651
5727ef1b
JB		 4652static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = {
4653 [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG },
4654 [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG },
4655 [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG },
0e46724a 4656 [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG },
b39c48fa 4657 [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG },
d83023da 4658 [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG },
5727ef1b
JB		 4659};
4660
eccb8e8f 4661static int parse_station_flags(struct genl_info *info,
bdd3ae3d 4662 enum nl80211_iftype iftype,
eccb8e8f 4663 struct station_parameters *params)
5727ef1b
JB		 4664{
4665 struct nlattr *flags[NL80211_STA_FLAG_MAX + 1];
eccb8e8f 4666 struct nlattr *nla;
5727ef1b
JB		 4667 int flag;
4668
eccb8e8f
JB		 4669 /*
4670 * Try parsing the new attribute first so userspace
4671 * can specify both for older kernels.
4672 */
4673 nla = info->attrs[NL80211_ATTR_STA_FLAGS2];
4674 if (nla) {
4675 struct nl80211_sta_flag_update *sta_flags;
4676
4677 sta_flags = nla_data(nla);
4678 params->sta_flags_mask = sta_flags->mask;
4679 params->sta_flags_set = sta_flags->set;
77ee7c89 4680 params->sta_flags_set &= params->sta_flags_mask;
eccb8e8f
JB		 4681 if ((params->sta_flags_mask |
4682 params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID))
4683 return -EINVAL;
4684 return 0;
4685 }
4686
4687 /* if present, parse the old attribute */
5727ef1b 4688
eccb8e8f 4689 nla = info->attrs[NL80211_ATTR_STA_FLAGS];
5727ef1b
JB		 4690 if (!nla)
4691 return 0;
4692
8cb08174 4693 if (nla_parse_nested_deprecated(flags, NL80211_STA_FLAG_MAX, nla, sta_flags_policy, info->extack))
5727ef1b
JB		 4694 return -EINVAL;
4695
bdd3ae3d
JB		 4696 /*
4697 * Only allow certain flags for interface types so that
4698 * other attributes are silently ignored. Remember that
4699 * this is backward compatibility code with old userspace
4700 * and shouldn't be hit in other cases anyway.
4701 */
4702 switch (iftype) {
4703 case NL80211_IFTYPE_AP:
4704 case NL80211_IFTYPE_AP_VLAN:
4705 case NL80211_IFTYPE_P2P_GO:
4706 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
4707 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
4708 BIT(NL80211_STA_FLAG_WME) |
4709 BIT(NL80211_STA_FLAG_MFP);
4710 break;
4711 case NL80211_IFTYPE_P2P_CLIENT:
4712 case NL80211_IFTYPE_STATION:
4713 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
4714 BIT(NL80211_STA_FLAG_TDLS_PEER);
4715 break;
4716 case NL80211_IFTYPE_MESH_POINT:
4717 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
4718 BIT(NL80211_STA_FLAG_MFP) |
4719 BIT(NL80211_STA_FLAG_AUTHORIZED);
5cf3006c 4720 break;
bdd3ae3d
JB		 4721 default:
4722 return -EINVAL;
4723 }
5727ef1b 4724
3383b5a6
JB		 4725 for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) {
4726 if (flags[flag]) {
eccb8e8f 4727 params->sta_flags_set |= (1<<flag);
5727ef1b 4728
3383b5a6
JB		 4729 /* no longer support new API additions in old API */
4730 if (flag > NL80211_STA_FLAG_MAX_OLD_API)
4731 return -EINVAL;
4732 }
4733 }
4734
5727ef1b
JB		 4735 return 0;
4736}
4737
9bb7e0f2 4738bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, int attr)
c8dcfd8a
FF		 4739{
4740 struct nlattr *rate;
8eb41c8d
VK		 4741 u32 bitrate;
4742 u16 bitrate_compat;
bbf67e45 4743 enum nl80211_rate_info rate_flg;
c8dcfd8a 4744
ae0be8de 4745 rate = nla_nest_start_noflag(msg, attr);
c8dcfd8a 4746 if (!rate)
db9c64cf 4747 return false;
c8dcfd8a
FF		 4748
4749 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
4750 bitrate = cfg80211_calculate_bitrate(info);
8eb41c8d
VK		 4751 /* report 16-bit bitrate only if we can */
4752 bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0;
db9c64cf
JB		 4753 if (bitrate > 0 &&
4754 nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate))
4755 return false;
4756 if (bitrate_compat > 0 &&
4757 nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat))
4758 return false;
4759
b51f3bee
JB		 4760 switch (info->bw) {
4761 case RATE_INFO_BW_5:
4762 rate_flg = NL80211_RATE_INFO_5_MHZ_WIDTH;
4763 break;
4764 case RATE_INFO_BW_10:
4765 rate_flg = NL80211_RATE_INFO_10_MHZ_WIDTH;
4766 break;
4767 default:
4768 WARN_ON(1);
4769 /* fall through */
4770 case RATE_INFO_BW_20:
4771 rate_flg = 0;
4772 break;
4773 case RATE_INFO_BW_40:
4774 rate_flg = NL80211_RATE_INFO_40_MHZ_WIDTH;
4775 break;
4776 case RATE_INFO_BW_80:
4777 rate_flg = NL80211_RATE_INFO_80_MHZ_WIDTH;
4778 break;
4779 case RATE_INFO_BW_160:
4780 rate_flg = NL80211_RATE_INFO_160_MHZ_WIDTH;
4781 break;
c4cbaf79
LC		 4782 case RATE_INFO_BW_HE_RU:
4783 rate_flg = 0;
4784 WARN_ON(!(info->flags & RATE_INFO_FLAGS_HE_MCS));
b51f3bee
JB		 4785 }
4786
4787 if (rate_flg && nla_put_flag(msg, rate_flg))
4788 return false;
4789
db9c64cf
JB		 4790 if (info->flags & RATE_INFO_FLAGS_MCS) {
4791 if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs))
4792 return false;
db9c64cf
JB		 4793 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
4794 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
4795 return false;
4796 } else if (info->flags & RATE_INFO_FLAGS_VHT_MCS) {
4797 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_MCS, info->mcs))
4798 return false;
4799 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss))
4800 return false;
db9c64cf
JB		 4801 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
4802 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
4803 return false;
c4cbaf79
LC		 4804 } else if (info->flags & RATE_INFO_FLAGS_HE_MCS) {
4805 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_MCS, info->mcs))
4806 return false;
4807 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_NSS, info->nss))
4808 return false;
4809 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_GI, info->he_gi))
4810 return false;
4811 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_DCM, info->he_dcm))
4812 return false;
4813 if (info->bw == RATE_INFO_BW_HE_RU &&
4814 nla_put_u8(msg, NL80211_RATE_INFO_HE_RU_ALLOC,
4815 info->he_ru_alloc))
4816 return false;
db9c64cf 4817 }
c8dcfd8a
FF		 4818
4819 nla_nest_end(msg, rate);
4820 return true;
c8dcfd8a
FF		 4821}
4822
119363c7
FF		 4823static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal,
4824 int id)
4825{
4826 void *attr;
4827 int i = 0;
4828
4829 if (!mask)
4830 return true;
4831
ae0be8de 4832 attr = nla_nest_start_noflag(msg, id);
119363c7
FF		 4833 if (!attr)
4834 return false;
4835
4836 for (i = 0; i < IEEE80211_MAX_CHAINS; i++) {
4837 if (!(mask & BIT(i)))
4838 continue;
4839
4840 if (nla_put_u8(msg, i, signal[i]))
4841 return false;
4842 }
4843
4844 nla_nest_end(msg, attr);
4845
4846 return true;
4847}
4848
cf5ead82
JB		 4849static int nl80211_send_station(struct sk_buff *msg, u32 cmd, u32 portid,
4850 u32 seq, int flags,
66266b3a
JL		 4851 struct cfg80211_registered_device *rdev,
4852 struct net_device *dev,
98b62183 4853 const u8 *mac_addr, struct station_info *sinfo)
fd5b74dc
JB		 4854{
4855 void *hdr;
f4263c98 4856 struct nlattr *sinfoattr, *bss_param;
fd5b74dc 4857
cf5ead82 4858 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
fd5b74dc
JB		 4859 if (!hdr)
4860 return -1;
4861
9360ffd1
DM		 4862 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
4863 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
4864 nla_put_u32(msg, NL80211_ATTR_GENERATION, sinfo->generation))
4865 goto nla_put_failure;
f5ea9120 4866
ae0be8de 4867 sinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_STA_INFO);
2ec600d6 4868 if (!sinfoattr)
fd5b74dc 4869 goto nla_put_failure;
319090bf
JB		 4870
4871#define PUT_SINFO(attr, memb, type) do { \
d686b920 4872 BUILD_BUG_ON(sizeof(type) == sizeof(u64)); \
397c657a 4873 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \
319090bf
JB		 4874 nla_put_ ## type(msg, NL80211_STA_INFO_ ## attr, \
4875 sinfo->memb)) \
4876 goto nla_put_failure; \
4877 } while (0)
d686b920 4878#define PUT_SINFO_U64(attr, memb) do { \
397c657a 4879 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \
d686b920
JB		 4880 nla_put_u64_64bit(msg, NL80211_STA_INFO_ ## attr, \
4881 sinfo->memb, NL80211_STA_INFO_PAD)) \
4882 goto nla_put_failure; \
4883 } while (0)
319090bf
JB		 4884
4885 PUT_SINFO(CONNECTED_TIME, connected_time, u32);
4886 PUT_SINFO(INACTIVE_TIME, inactive_time, u32);
4887
397c657a
OE		 4888 if (sinfo->filled & (BIT_ULL(NL80211_STA_INFO_RX_BYTES) |
4889 BIT_ULL(NL80211_STA_INFO_RX_BYTES64)) &&
9360ffd1 4890 nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES,
42745e03 4891 (u32)sinfo->rx_bytes))
9360ffd1 4892 goto nla_put_failure;
319090bf 4893
397c657a
OE		 4894 if (sinfo->filled & (BIT_ULL(NL80211_STA_INFO_TX_BYTES) |
4895 BIT_ULL(NL80211_STA_INFO_TX_BYTES64)) &&
9360ffd1 4896 nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES,
42745e03
VK		 4897 (u32)sinfo->tx_bytes))
4898 goto nla_put_failure;
319090bf 4899
d686b920
JB		 4900 PUT_SINFO_U64(RX_BYTES64, rx_bytes);
4901 PUT_SINFO_U64(TX_BYTES64, tx_bytes);
319090bf
JB		 4902 PUT_SINFO(LLID, llid, u16);
4903 PUT_SINFO(PLID, plid, u16);
4904 PUT_SINFO(PLINK_STATE, plink_state, u8);
d686b920 4905 PUT_SINFO_U64(RX_DURATION, rx_duration);
36647055
THJ		 4906 PUT_SINFO_U64(TX_DURATION, tx_duration);
4907
4908 if (wiphy_ext_feature_isset(&rdev->wiphy,
4909 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
4910 PUT_SINFO(AIRTIME_WEIGHT, airtime_weight, u16);
319090bf 4911
66266b3a
JL		 4912 switch (rdev->wiphy.signal_type) {
4913 case CFG80211_SIGNAL_TYPE_MBM:
319090bf
JB		 4914 PUT_SINFO(SIGNAL, signal, u8);
4915 PUT_SINFO(SIGNAL_AVG, signal_avg, u8);
66266b3a
JL		 4916 break;
4917 default:
4918 break;
4919 }
397c657a 4920 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL)) {
119363c7
FF		 4921 if (!nl80211_put_signal(msg, sinfo->chains,
4922 sinfo->chain_signal,
4923 NL80211_STA_INFO_CHAIN_SIGNAL))
4924 goto nla_put_failure;
4925 }
397c657a 4926 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) {
119363c7
FF		 4927 if (!nl80211_put_signal(msg, sinfo->chains,
4928 sinfo->chain_signal_avg,
4929 NL80211_STA_INFO_CHAIN_SIGNAL_AVG))
4930 goto nla_put_failure;
4931 }
397c657a 4932 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_TX_BITRATE)) {
c8dcfd8a
FF		 4933 if (!nl80211_put_sta_rate(msg, &sinfo->txrate,
4934 NL80211_STA_INFO_TX_BITRATE))
4935 goto nla_put_failure;
4936 }
397c657a 4937 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_RX_BITRATE)) {
c8dcfd8a
FF		 4938 if (!nl80211_put_sta_rate(msg, &sinfo->rxrate,
4939 NL80211_STA_INFO_RX_BITRATE))
420e7fab 4940 goto nla_put_failure;
420e7fab 4941 }
319090bf
JB		 4942
4943 PUT_SINFO(RX_PACKETS, rx_packets, u32);
4944 PUT_SINFO(TX_PACKETS, tx_packets, u32);
4945 PUT_SINFO(TX_RETRIES, tx_retries, u32);
4946 PUT_SINFO(TX_FAILED, tx_failed, u32);
4947 PUT_SINFO(EXPECTED_THROUGHPUT, expected_throughput, u32);
ab60633c 4948 PUT_SINFO(AIRTIME_LINK_METRIC, airtime_link_metric, u32);
319090bf
JB		 4949 PUT_SINFO(BEACON_LOSS, beacon_loss_count, u32);
4950 PUT_SINFO(LOCAL_PM, local_pm, u32);
4951 PUT_SINFO(PEER_PM, peer_pm, u32);
4952 PUT_SINFO(NONPEER_PM, nonpeer_pm, u32);
dbdaee7a 4953 PUT_SINFO(CONNECTED_TO_GATE, connected_to_gate, u8);
319090bf 4954
397c657a 4955 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_BSS_PARAM)) {
ae0be8de
MK		 4956 bss_param = nla_nest_start_noflag(msg,
4957 NL80211_STA_INFO_BSS_PARAM);
f4263c98
PS		 4958 if (!bss_param)
4959 goto nla_put_failure;
4960
9360ffd1
DM		 4961 if (((sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) &&
4962 nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) ||
4963 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) &&
4964 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) ||
4965 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) &&
4966 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) ||
4967 nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD,
4968 sinfo->bss_param.dtim_period) ||
4969 nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL,
4970 sinfo->bss_param.beacon_interval))
4971 goto nla_put_failure;
f4263c98
PS		 4972
4973 nla_nest_end(msg, bss_param);
4974 }
397c657a 4975 if ((sinfo->filled & BIT_ULL(NL80211_STA_INFO_STA_FLAGS)) &&
9360ffd1
DM		 4976 nla_put(msg, NL80211_STA_INFO_STA_FLAGS,
4977 sizeof(struct nl80211_sta_flag_update),
4978 &sinfo->sta_flags))
4979 goto nla_put_failure;
319090bf 4980
d686b920
JB		 4981 PUT_SINFO_U64(T_OFFSET, t_offset);
4982 PUT_SINFO_U64(RX_DROP_MISC, rx_dropped_misc);
4983 PUT_SINFO_U64(BEACON_RX, rx_beacon);
a76b1942 4984 PUT_SINFO(BEACON_SIGNAL_AVG, rx_beacon_signal_avg, u8);
0d4e14a3
AB		 4985 PUT_SINFO(RX_MPDUS, rx_mpdu_count, u32);
4986 PUT_SINFO(FCS_ERROR_COUNT, fcs_err_count, u32);
81d5439d 4987 if (wiphy_ext_feature_isset(&rdev->wiphy,
9c06602b
BP		 4988 NL80211_EXT_FEATURE_ACK_SIGNAL_SUPPORT)) {
4989 PUT_SINFO(ACK_SIGNAL, ack_signal, u8);
4990 PUT_SINFO(ACK_SIGNAL_AVG, avg_ack_signal, s8);
4991 }
319090bf
JB		 4992
4993#undef PUT_SINFO
d686b920 4994#undef PUT_SINFO_U64
6de39808 4995
8689c051 4996 if (sinfo->pertid) {
6de39808
JB		 4997 struct nlattr *tidsattr;
4998 int tid;
4999
ae0be8de
MK		 5000 tidsattr = nla_nest_start_noflag(msg,
5001 NL80211_STA_INFO_TID_STATS);
6de39808
JB		 5002 if (!tidsattr)
5003 goto nla_put_failure;
5004
5005 for (tid = 0; tid < IEEE80211_NUM_TIDS + 1; tid++) {
5006 struct cfg80211_tid_stats *tidstats;
5007 struct nlattr *tidattr;
5008
5009 tidstats = &sinfo->pertid[tid];
5010
5011 if (!tidstats->filled)
5012 continue;
5013
ae0be8de 5014 tidattr = nla_nest_start_noflag(msg, tid + 1);
6de39808
JB		 5015 if (!tidattr)
5016 goto nla_put_failure;
5017
d686b920 5018#define PUT_TIDVAL_U64(attr, memb) do { \
6de39808 5019 if (tidstats->filled & BIT(NL80211_TID_STATS_ ## attr) && \
d686b920
JB		 5020 nla_put_u64_64bit(msg, NL80211_TID_STATS_ ## attr, \
5021 tidstats->memb, NL80211_TID_STATS_PAD)) \
6de39808
JB		 5022 goto nla_put_failure; \
5023 } while (0)
5024
d686b920
JB		 5025 PUT_TIDVAL_U64(RX_MSDU, rx_msdu);
5026 PUT_TIDVAL_U64(TX_MSDU, tx_msdu);
5027 PUT_TIDVAL_U64(TX_MSDU_RETRIES, tx_msdu_retries);
5028 PUT_TIDVAL_U64(TX_MSDU_FAILED, tx_msdu_failed);
6de39808 5029
d686b920 5030#undef PUT_TIDVAL_U64
52539ca8
THJ		 5031 if ((tidstats->filled &
5032 BIT(NL80211_TID_STATS_TXQ_STATS)) &&
5033 !nl80211_put_txq_stats(msg, &tidstats->txq_stats,
5034 NL80211_TID_STATS_TXQ_STATS))
5035 goto nla_put_failure;
5036
6de39808
JB		 5037 nla_nest_end(msg, tidattr);
5038 }
5039
5040 nla_nest_end(msg, tidsattr);
5041 }
5042
2ec600d6 5043 nla_nest_end(msg, sinfoattr);
fd5b74dc 5044
319090bf 5045 if (sinfo->assoc_req_ies_len &&
9360ffd1
DM		 5046 nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len,
5047 sinfo->assoc_req_ies))
5048 goto nla_put_failure;
50d3dfb7 5049
7ea3e110 5050 cfg80211_sinfo_release_content(sinfo);
053c095a
JB		 5051 genlmsg_end(msg, hdr);
5052 return 0;
fd5b74dc
JB		 5053
5054 nla_put_failure:
7ea3e110 5055 cfg80211_sinfo_release_content(sinfo);
bc3ed28c
TG		 5056 genlmsg_cancel(msg, hdr);
5057 return -EMSGSIZE;
fd5b74dc
JB		 5058}
5059
2ec600d6 5060static int nl80211_dump_station(struct sk_buff *skb,
bba95fef 5061 struct netlink_callback *cb)
2ec600d6 5062{
73887fd9 5063 struct station_info sinfo;
1b8ec87a 5064 struct cfg80211_registered_device *rdev;
97990a06 5065 struct wireless_dev *wdev;
2ec600d6 5066 u8 mac_addr[ETH_ALEN];
97990a06 5067 int sta_idx = cb->args[2];
2ec600d6 5068 int err;
2ec600d6 5069
ea90e0dc 5070 rtnl_lock();
5297c65c 5071 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
67748893 5072 if (err)
ea90e0dc 5073 goto out_err;
bba95fef 5074
97990a06
JB		 5075 if (!wdev->netdev) {
5076 err = -EINVAL;
5077 goto out_err;
5078 }
5079
1b8ec87a 5080 if (!rdev->ops->dump_station) {
eec60b03 5081 err = -EOPNOTSUPP;
bba95fef
JB		 5082 goto out_err;
5083 }
5084
bba95fef 5085 while (1) {
73887fd9 5086 memset(&sinfo, 0, sizeof(sinfo));
1b8ec87a 5087 err = rdev_dump_station(rdev, wdev->netdev, sta_idx,
73887fd9 5088 mac_addr, &sinfo);
bba95fef
JB		 5089 if (err == -ENOENT)
5090 break;
5091 if (err)
3b85875a 5092 goto out_err;
bba95fef 5093
cf5ead82 5094 if (nl80211_send_station(skb, NL80211_CMD_NEW_STATION,
15e47304 5095 NETLINK_CB(cb->skb).portid,
bba95fef 5096 cb->nlh->nlmsg_seq, NLM_F_MULTI,
1b8ec87a 5097 rdev, wdev->netdev, mac_addr,
73887fd9 5098 &sinfo) < 0)
bba95fef
JB		 5099 goto out;
5100
5101 sta_idx++;
5102 }
5103
bba95fef 5104 out:
97990a06 5105 cb->args[2] = sta_idx;
bba95fef 5106 err = skb->len;
bba95fef 5107 out_err:
ea90e0dc 5108 rtnl_unlock();
bba95fef
JB		 5109
5110 return err;
2ec600d6 5111}
fd5b74dc 5112
5727ef1b
JB		 5113static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info)
5114{
4c476991
JB		 5115 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5116 struct net_device *dev = info->user_ptr[1];
73887fd9 5117 struct station_info sinfo;
fd5b74dc
JB		 5118 struct sk_buff *msg;
5119 u8 *mac_addr = NULL;
4c476991 5120 int err;
fd5b74dc 5121
73887fd9 5122 memset(&sinfo, 0, sizeof(sinfo));
fd5b74dc 5123
73887fd9
JB		 5124 if (!info->attrs[NL80211_ATTR_MAC])
5125 return -EINVAL;
fd5b74dc
JB		 5126
5127 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
5128
73887fd9
JB		 5129 if (!rdev->ops->get_station)
5130 return -EOPNOTSUPP;
3b85875a 5131
73887fd9 5132 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
fd5b74dc 5133 if (err)
73887fd9 5134 return err;
2ec600d6 5135
fd2120ca 5136 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7ea3e110 5137 if (!msg) {
ba8f566a 5138 cfg80211_sinfo_release_content(&sinfo);
73887fd9 5139 return -ENOMEM;
7ea3e110 5140 }
fd5b74dc 5141
cf5ead82
JB		 5142 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION,
5143 info->snd_portid, info->snd_seq, 0,
73887fd9 5144 rdev, dev, mac_addr, &sinfo) < 0) {
4c476991 5145 nlmsg_free(msg);
73887fd9 5146 return -ENOBUFS;
4c476991 5147 }
3b85875a 5148
73887fd9 5149 return genlmsg_reply(msg, info);
5727ef1b
JB		 5150}
5151
77ee7c89
JB		 5152int cfg80211_check_station_change(struct wiphy *wiphy,
5153 struct station_parameters *params,
5154 enum cfg80211_station_type statype)
5155{
e4208427
AB		 5156 if (params->listen_interval != -1 &&
5157 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
77ee7c89 5158 return -EINVAL;
e4208427 5159
17b94247
AB		 5160 if (params->support_p2p_ps != -1 &&
5161 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
5162 return -EINVAL;
5163
c72e1140 5164 if (params->aid &&
e4208427
AB		 5165 !(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) &&
5166 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
77ee7c89
JB		 5167 return -EINVAL;
5168
5169 /* When you run into this, adjust the code below for the new flag */
5170 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
5171
5172 switch (statype) {
eef941e6
TP		 5173 case CFG80211_STA_MESH_PEER_KERNEL:
5174 case CFG80211_STA_MESH_PEER_USER:
77ee7c89
JB		 5175 /*
5176 * No ignoring the TDLS flag here -- the userspace mesh
5177 * code doesn't have the bug of including TDLS in the
5178 * mask everywhere.
5179 */
5180 if (params->sta_flags_mask &
5181 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) |
5182 BIT(NL80211_STA_FLAG_MFP) |
5183 BIT(NL80211_STA_FLAG_AUTHORIZED)))
5184 return -EINVAL;
5185 break;
5186 case CFG80211_STA_TDLS_PEER_SETUP:
5187 case CFG80211_STA_TDLS_PEER_ACTIVE:
5188 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
5189 return -EINVAL;
5190 /* ignore since it can't change */
5191 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
5192 break;
5193 default:
5194 /* disallow mesh-specific things */
5195 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION)
5196 return -EINVAL;
5197 if (params->local_pm)
5198 return -EINVAL;
5199 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
5200 return -EINVAL;
5201 }
5202
5203 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
5204 statype != CFG80211_STA_TDLS_PEER_ACTIVE) {
5205 /* TDLS can't be set, ... */
5206 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
5207 return -EINVAL;
5208 /*
5209 * ... but don't bother the driver with it. This works around
5210 * a hostapd/wpa_supplicant issue -- it always includes the
5211 * TLDS_PEER flag in the mask even for AP mode.
5212 */
5213 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
5214 }
5215
47edb11b
AB		 5216 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
5217 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
77ee7c89
JB		 5218 /* reject other things that can't change */
5219 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD)
5220 return -EINVAL;
5221 if (params->sta_modify_mask & STATION_PARAM_APPLY_CAPABILITY)
5222 return -EINVAL;
5223 if (params->supported_rates)
5224 return -EINVAL;
c4cbaf79
LC		 5225 if (params->ext_capab || params->ht_capa || params->vht_capa ||
5226 params->he_capa)
77ee7c89
JB		 5227 return -EINVAL;
5228 }
5229
47edb11b
AB		 5230 if (statype != CFG80211_STA_AP_CLIENT &&
5231 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
77ee7c89
JB		 5232 if (params->vlan)
5233 return -EINVAL;
5234 }
5235
5236 switch (statype) {
5237 case CFG80211_STA_AP_MLME_CLIENT:
5238 /* Use this only for authorizing/unauthorizing a station */
5239 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
5240 return -EOPNOTSUPP;
5241 break;
5242 case CFG80211_STA_AP_CLIENT:
47edb11b 5243 case CFG80211_STA_AP_CLIENT_UNASSOC:
77ee7c89
JB		 5244 /* accept only the listed bits */
5245 if (params->sta_flags_mask &
5246 ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
5247 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
5248 BIT(NL80211_STA_FLAG_ASSOCIATED) |
5249 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
5250 BIT(NL80211_STA_FLAG_WME) |
5251 BIT(NL80211_STA_FLAG_MFP)))
5252 return -EINVAL;
5253
5254 /* but authenticated/associated only if driver handles it */
5255 if (!(wiphy->features & NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
5256 params->sta_flags_mask &
5257 (BIT(NL80211_STA_FLAG_AUTHENTICATED) |
5258 BIT(NL80211_STA_FLAG_ASSOCIATED)))
5259 return -EINVAL;
5260 break;
5261 case CFG80211_STA_IBSS:
5262 case CFG80211_STA_AP_STA:
5263 /* reject any changes other than AUTHORIZED */
5264 if (params->sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED))
5265 return -EINVAL;
5266 break;
5267 case CFG80211_STA_TDLS_PEER_SETUP:
5268 /* reject any changes other than AUTHORIZED or WME */
5269 if (params->sta_flags_mask & ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
5270 BIT(NL80211_STA_FLAG_WME)))
5271 return -EINVAL;
5272 /* force (at least) rates when authorizing */
5273 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED) &&
5274 !params->supported_rates)
5275 return -EINVAL;
5276 break;
5277 case CFG80211_STA_TDLS_PEER_ACTIVE:
5278 /* reject any changes */
5279 return -EINVAL;
eef941e6 5280 case CFG80211_STA_MESH_PEER_KERNEL:
77ee7c89
JB		 5281 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
5282 return -EINVAL;
5283 break;
eef941e6 5284 case CFG80211_STA_MESH_PEER_USER:
42925040
CYY		 5285 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION &&
5286 params->plink_action != NL80211_PLINK_ACTION_BLOCK)
77ee7c89
JB		 5287 return -EINVAL;
5288 break;
5289 }
5290
06f7c88c
BL		 5291 /*
5292 * Older kernel versions ignored this attribute entirely, so don't
5293 * reject attempts to update it but mark it as unused instead so the
5294 * driver won't look at the data.
5295 */
5296 if (statype != CFG80211_STA_AP_CLIENT_UNASSOC &&
5297 statype != CFG80211_STA_TDLS_PEER_SETUP)
5298 params->opmode_notif_used = false;
5299
77ee7c89
JB		 5300 return 0;
5301}
5302EXPORT_SYMBOL(cfg80211_check_station_change);
5303
5727ef1b 5304/*
c258d2de 5305 * Get vlan interface making sure it is running and on the right wiphy.
5727ef1b 5306 */
80b99899
JB		 5307static struct net_device *get_vlan(struct genl_info *info,
5308 struct cfg80211_registered_device *rdev)
5727ef1b 5309{
463d0183 5310 struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN];
80b99899
JB		 5311 struct net_device *v;
5312 int ret;
5313
5314 if (!vlanattr)
5315 return NULL;
5316
5317 v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr));
5318 if (!v)
5319 return ERR_PTR(-ENODEV);
5320
5321 if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) {
5322 ret = -EINVAL;
5323 goto error;
5727ef1b 5324 }
80b99899 5325
77ee7c89
JB		 5326 if (v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
5327 v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
5328 v->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
5329 ret = -EINVAL;
5330 goto error;
5331 }
5332
80b99899
JB		 5333 if (!netif_running(v)) {
5334 ret = -ENETDOWN;
5335 goto error;
5336 }
5337
5338 return v;
5339 error:
5340 dev_put(v);
5341 return ERR_PTR(ret);
5727ef1b
JB		 5342}
5343
94e860f1
JB		 5344static const struct nla_policy
5345nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] = {
df881293
JM		 5346 [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 },
5347 [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 },
5348};
5349
ff276691
JB		 5350static int nl80211_parse_sta_wme(struct genl_info *info,
5351 struct station_parameters *params)
df881293 5352{
df881293
JM		 5353 struct nlattr *tb[NL80211_STA_WME_MAX + 1];
5354 struct nlattr *nla;
5355 int err;
5356
df881293
JM		 5357 /* parse WME attributes if present */
5358 if (!info->attrs[NL80211_ATTR_STA_WME])
5359 return 0;
5360
5361 nla = info->attrs[NL80211_ATTR_STA_WME];
8cb08174
JB		 5362 err = nla_parse_nested_deprecated(tb, NL80211_STA_WME_MAX, nla,
5363 nl80211_sta_wme_policy,
5364 info->extack);
df881293
JM		 5365 if (err)
5366 return err;
5367
5368 if (tb[NL80211_STA_WME_UAPSD_QUEUES])
5369 params->uapsd_queues = nla_get_u8(
5370 tb[NL80211_STA_WME_UAPSD_QUEUES]);
5371 if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
5372 return -EINVAL;
5373
5374 if (tb[NL80211_STA_WME_MAX_SP])
5375 params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]);
5376
5377 if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
5378 return -EINVAL;
5379
5380 params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD;
5381
5382 return 0;
5383}
5384
c01fc9ad
SD		 5385static int nl80211_parse_sta_channel_info(struct genl_info *info,
5386 struct station_parameters *params)
5387{
5388 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]) {
5389 params->supported_channels =
5390 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
5391 params->supported_channels_len =
5392 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
5393 /*
5394 * Need to include at least one (first channel, number of
5395 * channels) tuple for each subband, and must have proper
5396 * tuples for the rest of the data as well.
5397 */
5398 if (params->supported_channels_len < 2)
5399 return -EINVAL;
5400 if (params->supported_channels_len % 2)
5401 return -EINVAL;
5402 }
5403
5404 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]) {
5405 params->supported_oper_classes =
5406 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
5407 params->supported_oper_classes_len =
5408 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
5409 /*
5410 * The value of the Length field of the Supported Operating
5411 * Classes element is between 2 and 253.
5412 */
5413 if (params->supported_oper_classes_len < 2 ||
5414 params->supported_oper_classes_len > 253)
5415 return -EINVAL;
5416 }
5417 return 0;
5418}
5419
ff276691
JB		 5420static int nl80211_set_station_tdls(struct genl_info *info,
5421 struct station_parameters *params)
5422{
c01fc9ad 5423 int err;
ff276691 5424 /* Dummy STA entry gets updated once the peer capabilities are known */
5e4b6f56
JM		 5425 if (info->attrs[NL80211_ATTR_PEER_AID])
5426 params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
ff276691
JB		 5427 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
5428 params->ht_capa =
5429 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
5430 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
5431 params->vht_capa =
5432 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
c4cbaf79
LC		 5433 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
5434 params->he_capa =
5435 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
5436 params->he_capa_len =
5437 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
5438
5439 if (params->he_capa_len < NL80211_HE_MIN_CAPABILITY_LEN)
5440 return -EINVAL;
5441 }
ff276691 5442
c01fc9ad
SD		 5443 err = nl80211_parse_sta_channel_info(info, params);
5444 if (err)
5445 return err;
5446
ff276691
JB		 5447 return nl80211_parse_sta_wme(info, params);
5448}
5449
e96d1cd2
ARN		 5450static int nl80211_parse_sta_txpower_setting(struct genl_info *info,
5451 struct station_parameters *params)
5452{
5453 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5454 int idx;
5455
5456 if (info->attrs[NL80211_ATTR_STA_TX_POWER_SETTING]) {
5457 if (!rdev->ops->set_tx_power ||
5458 !wiphy_ext_feature_isset(&rdev->wiphy,
5459 NL80211_EXT_FEATURE_STA_TX_PWR))
5460 return -EOPNOTSUPP;
5461
5462 idx = NL80211_ATTR_STA_TX_POWER_SETTING;
5463 params->txpwr.type = nla_get_u8(info->attrs[idx]);
5464
5465 if (params->txpwr.type == NL80211_TX_POWER_LIMITED) {
5466 idx = NL80211_ATTR_STA_TX_POWER;
5467
5468 if (info->attrs[idx])
5469 params->txpwr.power =
5470 nla_get_s16(info->attrs[idx]);
5471 else
5472 return -EINVAL;
5473 }
5474 params->sta_modify_mask |= STATION_PARAM_APPLY_STA_TXPOWER;
5475 }
5476
5477 return 0;
5478}
5479
5727ef1b
JB		 5480static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
5481{
4c476991 5482 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4c476991 5483 struct net_device *dev = info->user_ptr[1];
5727ef1b 5484 struct station_parameters params;
77ee7c89
JB		 5485 u8 *mac_addr;
5486 int err;
5727ef1b
JB		 5487
5488 memset(&params, 0, sizeof(params));
5489
77ee7c89
JB		 5490 if (!rdev->ops->change_station)
5491 return -EOPNOTSUPP;
5492
e4208427
AB		 5493 /*
5494 * AID and listen_interval properties can be set only for unassociated
5495 * station. Include these parameters here and will check them in
5496 * cfg80211_check_station_change().
5497 */
a9bc31e4
AB		 5498 if (info->attrs[NL80211_ATTR_STA_AID])
5499 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
e4208427
AB		 5500
5501 if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
5502 params.listen_interval =
5503 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
5504 else
5505 params.listen_interval = -1;
5727ef1b 5506
ab0d76f6
JB		 5507 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS])
5508 params.support_p2p_ps =
5509 nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
5510 else
17b94247 5511 params.support_p2p_ps = -1;
17b94247 5512
5727ef1b
JB		 5513 if (!info->attrs[NL80211_ATTR_MAC])
5514 return -EINVAL;
5515
5516 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
5517
5518 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) {
5519 params.supported_rates =
5520 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
5521 params.supported_rates_len =
5522 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
5523 }
5524
9d62a986
JM		 5525 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
5526 params.capability =
5527 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
5528 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
5529 }
5530
5531 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
5532 params.ext_capab =
5533 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
5534 params.ext_capab_len =
5535 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
5536 }
5537
bdd3ae3d 5538 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, &params))
5727ef1b
JB		 5539 return -EINVAL;
5540
ab0d76f6 5541 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
2ec600d6 5542 params.plink_action =
f8bacc21 5543 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
2ec600d6 5544
f8bacc21 5545 if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) {
9c3990aa 5546 params.plink_state =
f8bacc21 5547 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]);
ab0d76f6 5548 if (info->attrs[NL80211_ATTR_MESH_PEER_AID])
7d27a0ba
MH		 5549 params.peer_aid = nla_get_u16(
5550 info->attrs[NL80211_ATTR_MESH_PEER_AID]);
f8bacc21
JB		 5551 params.sta_modify_mask |= STATION_PARAM_APPLY_PLINK_STATE;
5552 }
9c3990aa 5553
ab0d76f6
JB		 5554 if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE])
5555 params.local_pm = nla_get_u32(
3b1c5a53
MP		 5556 info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]);
5557
06f7c88c
BL		 5558 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
5559 params.opmode_notif_used = true;
5560 params.opmode_notif =
5561 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
5562 }
5563
36647055
THJ		 5564 if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
5565 params.airtime_weight =
5566 nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
5567
5568 if (params.airtime_weight &&
5569 !wiphy_ext_feature_isset(&rdev->wiphy,
5570 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
5571 return -EOPNOTSUPP;
5572
e96d1cd2
ARN		 5573 err = nl80211_parse_sta_txpower_setting(info, &params);
5574 if (err)
5575 return err;
5576
77ee7c89
JB		 5577 /* Include parameters for TDLS peer (will check later) */
5578 err = nl80211_set_station_tdls(info, &params);
5579 if (err)
5580 return err;
5581
5582 params.vlan = get_vlan(info, rdev);
5583 if (IS_ERR(params.vlan))
5584 return PTR_ERR(params.vlan);
5585
a97f4424
JB		 5586 switch (dev->ieee80211_ptr->iftype) {
5587 case NL80211_IFTYPE_AP:
5588 case NL80211_IFTYPE_AP_VLAN:
074ac8df 5589 case NL80211_IFTYPE_P2P_GO:
074ac8df 5590 case NL80211_IFTYPE_P2P_CLIENT:
a97f4424 5591 case NL80211_IFTYPE_STATION:
267335d6 5592 case NL80211_IFTYPE_ADHOC:
a97f4424 5593 case NL80211_IFTYPE_MESH_POINT:
a97f4424
JB		 5594 break;
5595 default:
77ee7c89
JB		 5596 err = -EOPNOTSUPP;
5597 goto out_put_vlan;
034d655e
JB		 5598 }
5599
77ee7c89 5600 /* driver will call cfg80211_check_station_change() */
e35e4d28 5601 err = rdev_change_station(rdev, dev, mac_addr, &params);
5727ef1b 5602
77ee7c89 5603 out_put_vlan:
5727ef1b
JB		 5604 if (params.vlan)
5605 dev_put(params.vlan);
3b85875a 5606
5727ef1b
JB		 5607 return err;
5608}
5609
5610static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
5611{
4c476991 5612 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5727ef1b 5613 int err;
4c476991 5614 struct net_device *dev = info->user_ptr[1];
5727ef1b
JB		 5615 struct station_parameters params;
5616 u8 *mac_addr = NULL;
bda95eb1
JB		 5617 u32 auth_assoc = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
5618 BIT(NL80211_STA_FLAG_ASSOCIATED);
5727ef1b
JB		 5619
5620 memset(&params, 0, sizeof(params));
5621
984c311b
JB		 5622 if (!rdev->ops->add_station)
5623 return -EOPNOTSUPP;
5624
5727ef1b
JB		 5625 if (!info->attrs[NL80211_ATTR_MAC])
5626 return -EINVAL;
5627
5727ef1b
JB		 5628 if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
5629 return -EINVAL;
5630
5631 if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES])
5632 return -EINVAL;
5633
5e4b6f56
JM		 5634 if (!info->attrs[NL80211_ATTR_STA_AID] &&
5635 !info->attrs[NL80211_ATTR_PEER_AID])
0e956c13
TLSC		 5636 return -EINVAL;
5637
5727ef1b
JB		 5638 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
5639 params.supported_rates =
5640 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
5641 params.supported_rates_len =
5642 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
5643 params.listen_interval =
5644 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
51b50fbe 5645
17b94247 5646 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]) {
ab0d76f6
JB		 5647 params.support_p2p_ps =
5648 nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
17b94247
AB		 5649 } else {
5650 /*
5651 * if not specified, assume it's supported for P2P GO interface,
5652 * and is NOT supported for AP interface
5653 */
5654 params.support_p2p_ps =
5655 dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO;
5656 }
5657
3d124ea2 5658 if (info->attrs[NL80211_ATTR_PEER_AID])
5e4b6f56 5659 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
3d124ea2
JM		 5660 else
5661 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
51b50fbe 5662
9d62a986
JM		 5663 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
5664 params.capability =
5665 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
5666 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
5667 }
5668
5669 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
5670 params.ext_capab =
5671 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
5672 params.ext_capab_len =
5673 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
5674 }
5675
36aedc90
JM		 5676 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
5677 params.ht_capa =
5678 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
5727ef1b 5679
f461be3e
MP		 5680 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
5681 params.vht_capa =
5682 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
5683
c4cbaf79
LC		 5684 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
5685 params.he_capa =
5686 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
5687 params.he_capa_len =
5688 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
5689
5690 /* max len is validated in nla policy */
5691 if (params.he_capa_len < NL80211_HE_MIN_CAPABILITY_LEN)
5692 return -EINVAL;
5693 }
5694
60f4a7b1
MK		 5695 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
5696 params.opmode_notif_used = true;
5697 params.opmode_notif =
5698 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
5699 }
5700
ab0d76f6 5701 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
96b78dff 5702 params.plink_action =
f8bacc21 5703 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
96b78dff 5704
36647055
THJ		 5705 if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
5706 params.airtime_weight =
5707 nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
5708
5709 if (params.airtime_weight &&
5710 !wiphy_ext_feature_isset(&rdev->wiphy,
5711 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
5712 return -EOPNOTSUPP;
5713
e96d1cd2
ARN		 5714 err = nl80211_parse_sta_txpower_setting(info, &params);
5715 if (err)
5716 return err;
5717
c01fc9ad
SD		 5718 err = nl80211_parse_sta_channel_info(info, &params);
5719 if (err)
5720 return err;
5721
ff276691
JB		 5722 err = nl80211_parse_sta_wme(info, &params);
5723 if (err)
5724 return err;
bdd90d5e 5725
bdd3ae3d 5726 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, &params))
5727ef1b
JB		 5727 return -EINVAL;
5728
496fcc29
JB		 5729 /* HT/VHT requires QoS, but if we don't have that just ignore HT/VHT
5730 * as userspace might just pass through the capabilities from the IEs
5731 * directly, rather than enforcing this restriction and returning an
5732 * error in this case.
5733 */
5734 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) {
5735 params.ht_capa = NULL;
5736 params.vht_capa = NULL;
c4cbaf79
LC		 5737
5738 /* HE requires WME */
5739 if (params.he_capa_len)
5740 return -EINVAL;
496fcc29
JB		 5741 }
5742
77ee7c89
JB		 5743 /* When you run into this, adjust the code below for the new flag */
5744 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
5745
bdd90d5e
JB		 5746 switch (dev->ieee80211_ptr->iftype) {
5747 case NL80211_IFTYPE_AP:
5748 case NL80211_IFTYPE_AP_VLAN:
5749 case NL80211_IFTYPE_P2P_GO:
984c311b
JB		 5750 /* ignore WME attributes if iface/sta is not capable */
5751 if (!(rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) ||
5752 !(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME)))
5753 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
c75786c9 5754
bdd90d5e 5755 /* TDLS peers cannot be added */
3d124ea2
JM		 5756 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
5757 info->attrs[NL80211_ATTR_PEER_AID])
4319e193 5758 return -EINVAL;
bdd90d5e
JB		 5759 /* but don't bother the driver with it */
5760 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
3b9ce80c 5761
d582cffb
JB		 5762 /* allow authenticated/associated only if driver handles it */
5763 if (!(rdev->wiphy.features &
5764 NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
bda95eb1 5765 params.sta_flags_mask & auth_assoc)
d582cffb
JB		 5766 return -EINVAL;
5767
bda95eb1
JB		 5768 /* Older userspace, or userspace wanting to be compatible with
5769 * !NL80211_FEATURE_FULL_AP_CLIENT_STATE, will not set the auth
5770 * and assoc flags in the mask, but assumes the station will be
5771 * added as associated anyway since this was the required driver
5772 * behaviour before NL80211_FEATURE_FULL_AP_CLIENT_STATE was
5773 * introduced.
5774 * In order to not bother drivers with this quirk in the API
5775 * set the flags in both the mask and set for new stations in
5776 * this case.
5777 */
5778 if (!(params.sta_flags_mask & auth_assoc)) {
5779 params.sta_flags_mask |= auth_assoc;
5780 params.sta_flags_set |= auth_assoc;
5781 }
5782
bdd90d5e
JB		 5783 /* must be last in here for error handling */
5784 params.vlan = get_vlan(info, rdev);
5785 if (IS_ERR(params.vlan))
5786 return PTR_ERR(params.vlan);
5787 break;
5788 case NL80211_IFTYPE_MESH_POINT:
984c311b
JB		 5789 /* ignore uAPSD data */
5790 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
5791
d582cffb
JB		 5792 /* associated is disallowed */
5793 if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED))
5794 return -EINVAL;
bdd90d5e 5795 /* TDLS peers cannot be added */
3d124ea2
JM		 5796 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
5797 info->attrs[NL80211_ATTR_PEER_AID])
bdd90d5e
JB		 5798 return -EINVAL;
5799 break;
5800 case NL80211_IFTYPE_STATION:
93d08f0b 5801 case NL80211_IFTYPE_P2P_CLIENT:
984c311b
JB		 5802 /* ignore uAPSD data */
5803 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
5804
77ee7c89
JB		 5805 /* these are disallowed */
5806 if (params.sta_flags_mask &
5807 (BIT(NL80211_STA_FLAG_ASSOCIATED) |
5808 BIT(NL80211_STA_FLAG_AUTHENTICATED)))
d582cffb 5809 return -EINVAL;
bdd90d5e
JB		 5810 /* Only TDLS peers can be added */
5811 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
5812 return -EINVAL;
5813 /* Can only add if TDLS ... */
5814 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS))
5815 return -EOPNOTSUPP;
5816 /* ... with external setup is supported */
5817 if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
5818 return -EOPNOTSUPP;
77ee7c89
JB		 5819 /*
5820 * Older wpa_supplicant versions always mark the TDLS peer
5821 * as authorized, but it shouldn't yet be.
5822 */
5823 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_AUTHORIZED);
bdd90d5e
JB		 5824 break;
5825 default:
5826 return -EOPNOTSUPP;
c75786c9
EP		 5827 }
5828
bdd90d5e 5829 /* be aware of params.vlan when changing code here */
5727ef1b 5830
e35e4d28 5831 err = rdev_add_station(rdev, dev, mac_addr, &params);
5727ef1b 5832
5727ef1b
JB		 5833 if (params.vlan)
5834 dev_put(params.vlan);
5727ef1b
JB		 5835 return err;
5836}
5837
5838static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info)
5839{
4c476991
JB		 5840 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5841 struct net_device *dev = info->user_ptr[1];
89c771e5
JM		 5842 struct station_del_parameters params;
5843
5844 memset(&params, 0, sizeof(params));
5727ef1b
JB		 5845
5846 if (info->attrs[NL80211_ATTR_MAC])
89c771e5 5847 params.mac = nla_data(info->attrs[NL80211_ATTR_MAC]);
5727ef1b 5848
e80cf853 5849 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
d5d9de02 5850 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
074ac8df 5851 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
4c476991
JB		 5852 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5853 return -EINVAL;
5727ef1b 5854
4c476991
JB		 5855 if (!rdev->ops->del_station)
5856 return -EOPNOTSUPP;
3b85875a 5857
98856866
JM		 5858 if (info->attrs[NL80211_ATTR_MGMT_SUBTYPE]) {
5859 params.subtype =
5860 nla_get_u8(info->attrs[NL80211_ATTR_MGMT_SUBTYPE]);
5861 if (params.subtype != IEEE80211_STYPE_DISASSOC >> 4 &&
5862 params.subtype != IEEE80211_STYPE_DEAUTH >> 4)
5863 return -EINVAL;
5864 } else {
5865 /* Default to Deauthentication frame */
5866 params.subtype = IEEE80211_STYPE_DEAUTH >> 4;
5867 }
5868
5869 if (info->attrs[NL80211_ATTR_REASON_CODE]) {
5870 params.reason_code =
5871 nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
5872 if (params.reason_code == 0)
5873 return -EINVAL; /* 0 is reserved */
5874 } else {
5875 /* Default to reason code 2 */
5876 params.reason_code = WLAN_REASON_PREV_AUTH_NOT_VALID;
5877 }
5878
89c771e5 5879 return rdev_del_station(rdev, dev, &params);
5727ef1b
JB		 5880}
5881
15e47304 5882static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq,
2ec600d6
LCC		 5883 int flags, struct net_device *dev,
5884 u8 *dst, u8 *next_hop,
5885 struct mpath_info *pinfo)
5886{
5887 void *hdr;
5888 struct nlattr *pinfoattr;
5889
1ef4c850 5890 hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_MPATH);
2ec600d6
LCC		 5891 if (!hdr)
5892 return -1;
5893
9360ffd1
DM		 5894 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
5895 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
5896 nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) ||
5897 nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation))
5898 goto nla_put_failure;
f5ea9120 5899
ae0be8de 5900 pinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_MPATH_INFO);
2ec600d6
LCC		 5901 if (!pinfoattr)
5902 goto nla_put_failure;
9360ffd1
DM		 5903 if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) &&
5904 nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN,
5905 pinfo->frame_qlen))
5906 goto nla_put_failure;
5907 if (((pinfo->filled & MPATH_INFO_SN) &&
5908 nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) ||
5909 ((pinfo->filled & MPATH_INFO_METRIC) &&
5910 nla_put_u32(msg, NL80211_MPATH_INFO_METRIC,
5911 pinfo->metric)) ||
5912 ((pinfo->filled & MPATH_INFO_EXPTIME) &&
5913 nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME,
5914 pinfo->exptime)) ||
5915 ((pinfo->filled & MPATH_INFO_FLAGS) &&
5916 nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS,
5917 pinfo->flags)) ||
5918 ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) &&
5919 nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT,
5920 pinfo->discovery_timeout)) ||
5921 ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) &&
5922 nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES,
cc241636
JH		 5923 pinfo->discovery_retries)) ||
5924 ((pinfo->filled & MPATH_INFO_HOP_COUNT) &&
5925 nla_put_u8(msg, NL80211_MPATH_INFO_HOP_COUNT,
540bbcb9
JH		 5926 pinfo->hop_count)) ||
5927 ((pinfo->filled & MPATH_INFO_PATH_CHANGE) &&
5928 nla_put_u32(msg, NL80211_MPATH_INFO_PATH_CHANGE,
5929 pinfo->path_change_count)))
9360ffd1 5930 goto nla_put_failure;
2ec600d6
LCC		 5931
5932 nla_nest_end(msg, pinfoattr);
5933
053c095a
JB		 5934 genlmsg_end(msg, hdr);
5935 return 0;
2ec600d6
LCC		 5936
5937 nla_put_failure:
bc3ed28c
TG		 5938 genlmsg_cancel(msg, hdr);
5939 return -EMSGSIZE;
2ec600d6
LCC		 5940}
5941
5942static int nl80211_dump_mpath(struct sk_buff *skb,
bba95fef 5943 struct netlink_callback *cb)
2ec600d6 5944{
2ec600d6 5945 struct mpath_info pinfo;
1b8ec87a 5946 struct cfg80211_registered_device *rdev;
97990a06 5947 struct wireless_dev *wdev;
2ec600d6
LCC		 5948 u8 dst[ETH_ALEN];
5949 u8 next_hop[ETH_ALEN];
97990a06 5950 int path_idx = cb->args[2];
2ec600d6 5951 int err;
2ec600d6 5952
ea90e0dc 5953 rtnl_lock();
5297c65c 5954 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
67748893 5955 if (err)
ea90e0dc 5956 goto out_err;
bba95fef 5957
1b8ec87a 5958 if (!rdev->ops->dump_mpath) {
eec60b03 5959 err = -EOPNOTSUPP;
bba95fef
JB		 5960 goto out_err;
5961 }
5962
97990a06 5963 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
eec60b03 5964 err = -EOPNOTSUPP;
0448b5fc 5965 goto out_err;
eec60b03
JM		 5966 }
5967
bba95fef 5968 while (1) {
1b8ec87a 5969 err = rdev_dump_mpath(rdev, wdev->netdev, path_idx, dst,
97990a06 5970 next_hop, &pinfo);
bba95fef 5971 if (err == -ENOENT)
2ec600d6 5972 break;
bba95fef 5973 if (err)
3b85875a 5974 goto out_err;
2ec600d6 5975
15e47304 5976 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
bba95fef 5977 cb->nlh->nlmsg_seq, NLM_F_MULTI,
97990a06 5978 wdev->netdev, dst, next_hop,
bba95fef
JB		 5979 &pinfo) < 0)
5980 goto out;
2ec600d6 5981
bba95fef 5982 path_idx++;
2ec600d6 5983 }
2ec600d6 5984
bba95fef 5985 out:
97990a06 5986 cb->args[2] = path_idx;
bba95fef 5987 err = skb->len;
bba95fef 5988 out_err:
ea90e0dc 5989 rtnl_unlock();
bba95fef 5990 return err;
2ec600d6
LCC		 5991}
5992
5993static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info)
5994{
4c476991 5995 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2ec600d6 5996 int err;
4c476991 5997 struct net_device *dev = info->user_ptr[1];
2ec600d6
LCC		 5998 struct mpath_info pinfo;
5999 struct sk_buff *msg;
6000 u8 *dst = NULL;
6001 u8 next_hop[ETH_ALEN];
6002
6003 memset(&pinfo, 0, sizeof(pinfo));
6004
6005 if (!info->attrs[NL80211_ATTR_MAC])
6006 return -EINVAL;
6007
6008 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6009
4c476991
JB		 6010 if (!rdev->ops->get_mpath)
6011 return -EOPNOTSUPP;
2ec600d6 6012
4c476991
JB		 6013 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6014 return -EOPNOTSUPP;
eec60b03 6015
e35e4d28 6016 err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo);
2ec600d6 6017 if (err)
4c476991 6018 return err;
2ec600d6 6019
fd2120ca 6020 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
2ec600d6 6021 if (!msg)
4c476991 6022 return -ENOMEM;
2ec600d6 6023
15e47304 6024 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
4c476991
JB		 6025 dev, dst, next_hop, &pinfo) < 0) {
6026 nlmsg_free(msg);
6027 return -ENOBUFS;
6028 }
3b85875a 6029
4c476991 6030 return genlmsg_reply(msg, info);
2ec600d6
LCC		 6031}
6032
6033static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info)
6034{
4c476991
JB		 6035 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6036 struct net_device *dev = info->user_ptr[1];
2ec600d6
LCC		 6037 u8 *dst = NULL;
6038 u8 *next_hop = NULL;
6039
6040 if (!info->attrs[NL80211_ATTR_MAC])
6041 return -EINVAL;
6042
6043 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
6044 return -EINVAL;
6045
6046 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6047 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
6048
4c476991
JB		 6049 if (!rdev->ops->change_mpath)
6050 return -EOPNOTSUPP;
35a8efe1 6051
4c476991
JB		 6052 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6053 return -EOPNOTSUPP;
2ec600d6 6054
e35e4d28 6055 return rdev_change_mpath(rdev, dev, dst, next_hop);
2ec600d6 6056}
4c476991 6057
2ec600d6
LCC		 6058static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info)
6059{
4c476991
JB		 6060 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6061 struct net_device *dev = info->user_ptr[1];
2ec600d6
LCC		 6062 u8 *dst = NULL;
6063 u8 *next_hop = NULL;
6064
6065 if (!info->attrs[NL80211_ATTR_MAC])
6066 return -EINVAL;
6067
6068 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
6069 return -EINVAL;
6070
6071 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6072 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
6073
4c476991
JB		 6074 if (!rdev->ops->add_mpath)
6075 return -EOPNOTSUPP;
35a8efe1 6076
4c476991
JB		 6077 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6078 return -EOPNOTSUPP;
2ec600d6 6079
e35e4d28 6080 return rdev_add_mpath(rdev, dev, dst, next_hop);
2ec600d6
LCC		 6081}
6082
6083static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info)
6084{
4c476991
JB		 6085 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6086 struct net_device *dev = info->user_ptr[1];
2ec600d6
LCC		 6087 u8 *dst = NULL;
6088
6089 if (info->attrs[NL80211_ATTR_MAC])
6090 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6091
4c476991
JB		 6092 if (!rdev->ops->del_mpath)
6093 return -EOPNOTSUPP;
3b85875a 6094
e35e4d28 6095 return rdev_del_mpath(rdev, dev, dst);
2ec600d6
LCC		 6096}
6097
66be7d2b
HR		 6098static int nl80211_get_mpp(struct sk_buff *skb, struct genl_info *info)
6099{
6100 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6101 int err;
6102 struct net_device *dev = info->user_ptr[1];
6103 struct mpath_info pinfo;
6104 struct sk_buff *msg;
6105 u8 *dst = NULL;
6106 u8 mpp[ETH_ALEN];
6107
6108 memset(&pinfo, 0, sizeof(pinfo));
6109
6110 if (!info->attrs[NL80211_ATTR_MAC])
6111 return -EINVAL;
6112
6113 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6114
6115 if (!rdev->ops->get_mpp)
6116 return -EOPNOTSUPP;
6117
6118 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6119 return -EOPNOTSUPP;
6120
6121 err = rdev_get_mpp(rdev, dev, dst, mpp, &pinfo);
6122 if (err)
6123 return err;
6124
6125 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6126 if (!msg)
6127 return -ENOMEM;
6128
6129 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
6130 dev, dst, mpp, &pinfo) < 0) {
6131 nlmsg_free(msg);
6132 return -ENOBUFS;
6133 }
6134
6135 return genlmsg_reply(msg, info);
6136}
6137
6138static int nl80211_dump_mpp(struct sk_buff *skb,
6139 struct netlink_callback *cb)
6140{
6141 struct mpath_info pinfo;
6142 struct cfg80211_registered_device *rdev;
6143 struct wireless_dev *wdev;
6144 u8 dst[ETH_ALEN];
6145 u8 mpp[ETH_ALEN];
6146 int path_idx = cb->args[2];
6147 int err;
6148
ea90e0dc 6149 rtnl_lock();
5297c65c 6150 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
66be7d2b 6151 if (err)
ea90e0dc 6152 goto out_err;
66be7d2b
HR		 6153
6154 if (!rdev->ops->dump_mpp) {
6155 err = -EOPNOTSUPP;
6156 goto out_err;
6157 }
6158
6159 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
6160 err = -EOPNOTSUPP;
6161 goto out_err;
6162 }
6163
6164 while (1) {
6165 err = rdev_dump_mpp(rdev, wdev->netdev, path_idx, dst,
6166 mpp, &pinfo);
6167 if (err == -ENOENT)
6168 break;
6169 if (err)
6170 goto out_err;
6171
6172 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
6173 cb->nlh->nlmsg_seq, NLM_F_MULTI,
6174 wdev->netdev, dst, mpp,
6175 &pinfo) < 0)
6176 goto out;
6177
6178 path_idx++;
6179 }
6180
6181 out:
6182 cb->args[2] = path_idx;
6183 err = skb->len;
6184 out_err:
ea90e0dc 6185 rtnl_unlock();
66be7d2b
HR		 6186 return err;
6187}
6188
9f1ba906
JM		 6189static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
6190{
4c476991
JB		 6191 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6192 struct net_device *dev = info->user_ptr[1];
c56589ed 6193 struct wireless_dev *wdev = dev->ieee80211_ptr;
9f1ba906 6194 struct bss_parameters params;
c56589ed 6195 int err;
9f1ba906
JM		 6196
6197 memset(&params, 0, sizeof(params));
6198 /* default to not changing parameters */
6199 params.use_cts_prot = -1;
6200 params.use_short_preamble = -1;
6201 params.use_short_slot_time = -1;
fd8aaaf3 6202 params.ap_isolate = -1;
50b12f59 6203 params.ht_opmode = -1;
53cabad7
JB		 6204 params.p2p_ctwindow = -1;
6205 params.p2p_opp_ps = -1;
9f1ba906
JM		 6206
6207 if (info->attrs[NL80211_ATTR_BSS_CTS_PROT])
6208 params.use_cts_prot =
6209 nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]);
6210 if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE])
6211 params.use_short_preamble =
6212 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]);
6213 if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME])
6214 params.use_short_slot_time =
6215 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]);
90c97a04
JM		 6216 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
6217 params.basic_rates =
6218 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
6219 params.basic_rates_len =
6220 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
6221 }
fd8aaaf3
FF		 6222 if (info->attrs[NL80211_ATTR_AP_ISOLATE])
6223 params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]);
50b12f59
HS		 6224 if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE])
6225 params.ht_opmode =
6226 nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]);
9f1ba906 6227
53cabad7
JB		 6228 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
6229 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
6230 return -EINVAL;
6231 params.p2p_ctwindow =
ab0d76f6 6232 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
53cabad7
JB		 6233 if (params.p2p_ctwindow != 0 &&
6234 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
6235 return -EINVAL;
6236 }
6237
6238 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
6239 u8 tmp;
6240
6241 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
6242 return -EINVAL;
6243 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
53cabad7
JB		 6244 params.p2p_opp_ps = tmp;
6245 if (params.p2p_opp_ps &&
6246 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
6247 return -EINVAL;
6248 }
6249
4c476991
JB		 6250 if (!rdev->ops->change_bss)
6251 return -EOPNOTSUPP;
9f1ba906 6252
074ac8df 6253 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4c476991
JB		 6254 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
6255 return -EOPNOTSUPP;
3b85875a 6256
c56589ed
SW		 6257 wdev_lock(wdev);
6258 err = rdev_change_bss(rdev, dev, &params);
6259 wdev_unlock(wdev);
6260
6261 return err;
9f1ba906
JM		 6262}
6263
b2e1b302
LR		 6264static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
6265{
b2e1b302 6266 char *data = NULL;
05050753 6267 bool is_indoor;
57b5ce07 6268 enum nl80211_user_reg_hint_type user_reg_hint_type;
05050753
I		 6269 u32 owner_nlportid;
6270
80778f18
LR		 6271 /*
6272 * You should only get this when cfg80211 hasn't yet initialized
6273 * completely when built-in to the kernel right between the time
6274 * window between nl80211_init() and regulatory_init(), if that is
6275 * even possible.
6276 */
458f4f9e 6277 if (unlikely(!rcu_access_pointer(cfg80211_regdomain)))
fe33eb39 6278 return -EINPROGRESS;
80778f18 6279
57b5ce07
LR		 6280 if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE])
6281 user_reg_hint_type =
6282 nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]);
6283 else
6284 user_reg_hint_type = NL80211_USER_REG_HINT_USER;
6285
6286 switch (user_reg_hint_type) {
6287 case NL80211_USER_REG_HINT_USER:
6288 case NL80211_USER_REG_HINT_CELL_BASE:
52616f2b
IP		 6289 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
6290 return -EINVAL;
6291
6292 data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
6293 return regulatory_hint_user(data, user_reg_hint_type);
6294 case NL80211_USER_REG_HINT_INDOOR:
05050753
I		 6295 if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
6296 owner_nlportid = info->snd_portid;
6297 is_indoor = !!info->attrs[NL80211_ATTR_REG_INDOOR];
6298 } else {
6299 owner_nlportid = 0;
6300 is_indoor = true;
6301 }
6302
6303 return regulatory_hint_indoor(is_indoor, owner_nlportid);
57b5ce07
LR		 6304 default:
6305 return -EINVAL;
6306 }
b2e1b302
LR		 6307}
6308
1ea4ff3e
JB		 6309static int nl80211_reload_regdb(struct sk_buff *skb, struct genl_info *info)
6310{
6311 return reg_reload_regdb();
6312}
6313
24bdd9f4 6314static int nl80211_get_mesh_config(struct sk_buff *skb,
29cbe68c 6315 struct genl_info *info)
93da9cc1 6316{
4c476991 6317 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4c476991 6318 struct net_device *dev = info->user_ptr[1];
29cbe68c
JB		 6319 struct wireless_dev *wdev = dev->ieee80211_ptr;
6320 struct mesh_config cur_params;
6321 int err = 0;
93da9cc1 6322 void *hdr;
6323 struct nlattr *pinfoattr;
6324 struct sk_buff *msg;
6325
29cbe68c
JB		 6326 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
6327 return -EOPNOTSUPP;
6328
24bdd9f4 6329 if (!rdev->ops->get_mesh_config)
4c476991 6330 return -EOPNOTSUPP;
f3f92586 6331
29cbe68c
JB		 6332 wdev_lock(wdev);
6333 /* If not connected, get default parameters */
6334 if (!wdev->mesh_id_len)
6335 memcpy(&cur_params, &default_mesh_config, sizeof(cur_params));
6336 else
e35e4d28 6337 err = rdev_get_mesh_config(rdev, dev, &cur_params);
29cbe68c
JB		 6338 wdev_unlock(wdev);
6339
93da9cc1 6340 if (err)
4c476991 6341 return err;
93da9cc1 6342
6343 /* Draw up a netlink message to send back */
fd2120ca 6344 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4c476991
JB		 6345 if (!msg)
6346 return -ENOMEM;
15e47304 6347 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
24bdd9f4 6348 NL80211_CMD_GET_MESH_CONFIG);
93da9cc1 6349 if (!hdr)
efe1cf0c 6350 goto out;
ae0be8de 6351 pinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_MESH_CONFIG);
93da9cc1 6352 if (!pinfoattr)
6353 goto nla_put_failure;
9360ffd1
DM		 6354 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
6355 nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT,
6356 cur_params.dot11MeshRetryTimeout) ||
6357 nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT,
6358 cur_params.dot11MeshConfirmTimeout) ||
6359 nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT,
6360 cur_params.dot11MeshHoldingTimeout) ||
6361 nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
6362 cur_params.dot11MeshMaxPeerLinks) ||
6363 nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES,
6364 cur_params.dot11MeshMaxRetries) ||
6365 nla_put_u8(msg, NL80211_MESHCONF_TTL,
6366 cur_params.dot11MeshTTL) ||
6367 nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL,
6368 cur_params.element_ttl) ||
6369 nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
6370 cur_params.auto_open_plinks) ||
7eab0f64
JL		 6371 nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
6372 cur_params.dot11MeshNbrOffsetMaxNeighbor) ||
9360ffd1
DM		 6373 nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
6374 cur_params.dot11MeshHWMPmaxPREQretries) ||
6375 nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME,
6376 cur_params.path_refresh_time) ||
6377 nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
6378 cur_params.min_discovery_timeout) ||
6379 nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
6380 cur_params.dot11MeshHWMPactivePathTimeout) ||
6381 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
6382 cur_params.dot11MeshHWMPpreqMinInterval) ||
6383 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
6384 cur_params.dot11MeshHWMPperrMinInterval) ||
6385 nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
6386 cur_params.dot11MeshHWMPnetDiameterTraversalTime) ||
6387 nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE,
6388 cur_params.dot11MeshHWMPRootMode) ||
6389 nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL,
6390 cur_params.dot11MeshHWMPRannInterval) ||
6391 nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
6392 cur_params.dot11MeshGateAnnouncementProtocol) ||
6393 nla_put_u8(msg, NL80211_MESHCONF_FORWARDING,
6394 cur_params.dot11MeshForwarding) ||
335d5349 6395 nla_put_s32(msg, NL80211_MESHCONF_RSSI_THRESHOLD,
70c33eaa
AN		 6396 cur_params.rssi_threshold) ||
6397 nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE,
ac1073a6
CYY		 6398 cur_params.ht_opmode) ||
6399 nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
6400 cur_params.dot11MeshHWMPactivePathToRootTimeout) ||
6401 nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
728b19e5
CYY		 6402 cur_params.dot11MeshHWMProotInterval) ||
6403 nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
3b1c5a53
MP		 6404 cur_params.dot11MeshHWMPconfirmationInterval) ||
6405 nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE,
6406 cur_params.power_mode) ||
6407 nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW,
8e7c0538
CT		 6408 cur_params.dot11MeshAwakeWindowDuration) ||
6409 nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT,
01d66fbd
BC		 6410 cur_params.plink_timeout) ||
6411 nla_put_u8(msg, NL80211_MESHCONF_CONNECTED_TO_GATE,
6412 cur_params.dot11MeshConnectedToMeshGate))
9360ffd1 6413 goto nla_put_failure;
93da9cc1 6414 nla_nest_end(msg, pinfoattr);
6415 genlmsg_end(msg, hdr);
4c476991 6416 return genlmsg_reply(msg, info);
93da9cc1 6417
3b85875a 6418 nla_put_failure:
efe1cf0c 6419 out:
d080e275 6420 nlmsg_free(msg);
4c476991 6421 return -ENOBUFS;
93da9cc1 6422}
6423
ab0d76f6
JB		 6424static const struct nla_policy
6425nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = {
6426 [NL80211_MESHCONF_RETRY_TIMEOUT] =
6427 NLA_POLICY_RANGE(NLA_U16, 1, 255),
6428 [NL80211_MESHCONF_CONFIRM_TIMEOUT] =
6429 NLA_POLICY_RANGE(NLA_U16, 1, 255),
6430 [NL80211_MESHCONF_HOLDING_TIMEOUT] =
6431 NLA_POLICY_RANGE(NLA_U16, 1, 255),
6432 [NL80211_MESHCONF_MAX_PEER_LINKS] =
6433 NLA_POLICY_RANGE(NLA_U16, 0, 255),
6434 [NL80211_MESHCONF_MAX_RETRIES] = NLA_POLICY_MAX(NLA_U8, 16),
6435 [NL80211_MESHCONF_TTL] = NLA_POLICY_MIN(NLA_U8, 1),
6436 [NL80211_MESHCONF_ELEMENT_TTL] = NLA_POLICY_MIN(NLA_U8, 1),
6437 [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = NLA_POLICY_MAX(NLA_U8, 1),
6438 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] =
6439 NLA_POLICY_RANGE(NLA_U32, 1, 255),
93da9cc1 6440 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 },
6441 [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 },
ab0d76f6 6442 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = NLA_POLICY_MIN(NLA_U16, 1),
93da9cc1 6443 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 },
ab0d76f6
JB		 6444 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] =
6445 NLA_POLICY_MIN(NLA_U16, 1),
6446 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] =
6447 NLA_POLICY_MIN(NLA_U16, 1),
6448 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] =
6449 NLA_POLICY_MIN(NLA_U16, 1),
6450 [NL80211_MESHCONF_HWMP_ROOTMODE] = NLA_POLICY_MAX(NLA_U8, 4),
6451 [NL80211_MESHCONF_HWMP_RANN_INTERVAL] =
6452 NLA_POLICY_MIN(NLA_U16, 1),
6453 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = NLA_POLICY_MAX(NLA_U8, 1),
6454 [NL80211_MESHCONF_FORWARDING] = NLA_POLICY_MAX(NLA_U8, 1),
6455 [NL80211_MESHCONF_RSSI_THRESHOLD] =
6456 NLA_POLICY_RANGE(NLA_S32, -255, 0),
a4f606ea 6457 [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 },
ac1073a6 6458 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 },
ab0d76f6
JB		 6459 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] =
6460 NLA_POLICY_MIN(NLA_U16, 1),
6461 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] =
6462 NLA_POLICY_MIN(NLA_U16, 1),
6463 [NL80211_MESHCONF_POWER_MODE] =
6464 NLA_POLICY_RANGE(NLA_U32,
6465 NL80211_MESH_POWER_ACTIVE,
6466 NL80211_MESH_POWER_MAX),
3b1c5a53 6467 [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 },
8e7c0538 6468 [NL80211_MESHCONF_PLINK_TIMEOUT] = { .type = NLA_U32 },
01d66fbd 6469 [NL80211_MESHCONF_CONNECTED_TO_GATE] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
93da9cc1 6470};
6471
c80d545d
JC		 6472static const struct nla_policy
6473 nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = {
d299a1f2 6474 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 },
c80d545d
JC		 6475 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 },
6476 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 },
15d5dda6 6477 [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG },
6e16d90b 6478 [NL80211_MESH_SETUP_AUTH_PROTOCOL] = { .type = NLA_U8 },
bb2798d4 6479 [NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG },
3d7af878
JB		 6480 [NL80211_MESH_SETUP_IE] =
6481 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
6482 IEEE80211_MAX_DATA_LEN),
b130e5ce 6483 [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG },
c80d545d
JC		 6484};
6485
24bdd9f4 6486static int nl80211_parse_mesh_config(struct genl_info *info,
bd90fdcc
JB		 6487 struct mesh_config *cfg,
6488 u32 *mask_out)
93da9cc1 6489{
93da9cc1 6490 struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1];
bd90fdcc 6491 u32 mask = 0;
9757235f 6492 u16 ht_opmode;
93da9cc1 6493
ab0d76f6
JB		 6494#define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, mask, attr, fn) \
6495do { \
6496 if (tb[attr]) { \
6497 cfg->param = fn(tb[attr]); \
6498 mask |= BIT((attr) - 1); \
6499 } \
ea54fba2 6500} while (0)
bd90fdcc 6501
24bdd9f4 6502 if (!info->attrs[NL80211_ATTR_MESH_CONFIG])
93da9cc1 6503 return -EINVAL;
8cb08174 6504 if (nla_parse_nested_deprecated(tb, NL80211_MESHCONF_ATTR_MAX, info->attrs[NL80211_ATTR_MESH_CONFIG], nl80211_meshconf_params_policy, info->extack))
93da9cc1 6505 return -EINVAL;
6506
93da9cc1 6507 /* This makes sure that there aren't more than 32 mesh config
6508 * parameters (otherwise our bitfield scheme would not work.) */
6509 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32);
6510
6511 /* Fill in the params struct */
ab0d76f6
JB		 6512 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, mask,
6513 NL80211_MESHCONF_RETRY_TIMEOUT, nla_get_u16);
6514 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, mask,
6515 NL80211_MESHCONF_CONFIRM_TIMEOUT,
6516 nla_get_u16);
6517 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, mask,
6518 NL80211_MESHCONF_HOLDING_TIMEOUT,
6519 nla_get_u16);
6520 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, mask,
6521 NL80211_MESHCONF_MAX_PEER_LINKS,
6522 nla_get_u16);
6523 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, mask,
6524 NL80211_MESHCONF_MAX_RETRIES, nla_get_u8);
6525 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, mask,
6526 NL80211_MESHCONF_TTL, nla_get_u8);
6527 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, mask,
6528 NL80211_MESHCONF_ELEMENT_TTL, nla_get_u8);
6529 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, mask,
6530 NL80211_MESHCONF_AUTO_OPEN_PLINKS,
6531 nla_get_u8);
ea54fba2 6532 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor,
ab0d76f6 6533 mask,
a4f606ea 6534 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
ab0d76f6
JB		 6535 nla_get_u32);
6536 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, mask,
6537 NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
6538 nla_get_u8);
6539 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, mask,
6540 NL80211_MESHCONF_PATH_REFRESH_TIME,
6541 nla_get_u32);
6542 if (mask & BIT(NL80211_MESHCONF_PATH_REFRESH_TIME) &&
6543 (cfg->path_refresh_time < 1 || cfg->path_refresh_time > 65535))
6544 return -EINVAL;
6545 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, mask,
6546 NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
6547 nla_get_u16);
ea54fba2 6548 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout,
ab0d76f6 6549 mask,
a4f606ea 6550 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
ab0d76f6
JB		 6551 nla_get_u32);
6552 if (mask & BIT(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT) &&
6553 (cfg->dot11MeshHWMPactivePathTimeout < 1 ||
6554 cfg->dot11MeshHWMPactivePathTimeout > 65535))
6555 return -EINVAL;
6556 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, mask,
ea54fba2 6557 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
ab0d76f6
JB		 6558 nla_get_u16);
6559 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval, mask,
ea54fba2 6560 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
ab0d76f6 6561 nla_get_u16);
93da9cc1 6562 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
ab0d76f6 6563 dot11MeshHWMPnetDiameterTraversalTime, mask,
a4f606ea 6564 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
ab0d76f6
JB		 6565 nla_get_u16);
6566 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, mask,
6567 NL80211_MESHCONF_HWMP_ROOTMODE, nla_get_u8);
6568 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, mask,
6569 NL80211_MESHCONF_HWMP_RANN_INTERVAL,
6570 nla_get_u16);
6571 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshGateAnnouncementProtocol,
ea54fba2 6572 mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
ab0d76f6
JB		 6573 nla_get_u8);
6574 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, mask,
6575 NL80211_MESHCONF_FORWARDING, nla_get_u8);
6576 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, mask,
6577 NL80211_MESHCONF_RSSI_THRESHOLD,
6578 nla_get_s32);
01d66fbd
BC		 6579 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConnectedToMeshGate, mask,
6580 NL80211_MESHCONF_CONNECTED_TO_GATE,
6581 nla_get_u8);
9757235f
MH		 6582 /*
6583 * Check HT operation mode based on
188f60ab 6584 * IEEE 802.11-2016 9.4.2.57 HT Operation element.
9757235f
MH		 6585 */
6586 if (tb[NL80211_MESHCONF_HT_OPMODE]) {
6587 ht_opmode = nla_get_u16(tb[NL80211_MESHCONF_HT_OPMODE]);
6588
6589 if (ht_opmode & ~(IEEE80211_HT_OP_MODE_PROTECTION |
6590 IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT |
6591 IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT))
6592 return -EINVAL;
6593
188f60ab
BC		 6594 /* NON_HT_STA bit is reserved, but some programs set it */
6595 ht_opmode &= ~IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT;
9757235f 6596
9757235f 6597 cfg->ht_opmode = ht_opmode;
fd551bac 6598 mask |= (1 << (NL80211_MESHCONF_HT_OPMODE - 1));
9757235f 6599 }
728b19e5 6600 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
ab0d76f6
JB		 6601 dot11MeshHWMPactivePathToRootTimeout, mask,
6602 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
6603 nla_get_u32);
6604 if (mask & BIT(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT) &&
6605 (cfg->dot11MeshHWMPactivePathToRootTimeout < 1 ||
6606 cfg->dot11MeshHWMPactivePathToRootTimeout > 65535))
6607 return -EINVAL;
6608 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, mask,
6609 NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
6610 nla_get_u16);
6611 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPconfirmationInterval,
6612 mask,
728b19e5 6613 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
ab0d76f6
JB		 6614 nla_get_u16);
6615 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode, mask,
6616 NL80211_MESHCONF_POWER_MODE, nla_get_u32);
6617 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration, mask,
6618 NL80211_MESHCONF_AWAKE_WINDOW, nla_get_u16);
6619 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, plink_timeout, mask,
6620 NL80211_MESHCONF_PLINK_TIMEOUT, nla_get_u32);
bd90fdcc
JB		 6621 if (mask_out)
6622 *mask_out = mask;
c80d545d 6623
bd90fdcc
JB		 6624 return 0;
6625
6626#undef FILL_IN_MESH_PARAM_IF_SET
6627}
6628
c80d545d
JC		 6629static int nl80211_parse_mesh_setup(struct genl_info *info,
6630 struct mesh_setup *setup)
6631{
bb2798d4 6632 struct cfg80211_registered_device *rdev = info->user_ptr[0];
c80d545d
JC		 6633 struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1];
6634
6635 if (!info->attrs[NL80211_ATTR_MESH_SETUP])
6636 return -EINVAL;
8cb08174 6637 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		 6638 return -EINVAL;
6639
d299a1f2
JC		 6640 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])
6641 setup->sync_method =
6642 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ?
6643 IEEE80211_SYNC_METHOD_VENDOR :
6644 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET;
6645
c80d545d
JC		 6646 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])
6647 setup->path_sel_proto =
6648 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ?
6649 IEEE80211_PATH_PROTOCOL_VENDOR :
6650 IEEE80211_PATH_PROTOCOL_HWMP;
6651
6652 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])
6653 setup->path_metric =
6654 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ?
6655 IEEE80211_PATH_METRIC_VENDOR :
6656 IEEE80211_PATH_METRIC_AIRTIME;
6657
581a8b0f 6658 if (tb[NL80211_MESH_SETUP_IE]) {
c80d545d 6659 struct nlattr *ieattr =
581a8b0f 6660 tb[NL80211_MESH_SETUP_IE];
581a8b0f
JC		 6661 setup->ie = nla_data(ieattr);
6662 setup->ie_len = nla_len(ieattr);
c80d545d 6663 }
bb2798d4
TP		 6664 if (tb[NL80211_MESH_SETUP_USERSPACE_MPM] &&
6665 !(rdev->wiphy.features & NL80211_FEATURE_USERSPACE_MPM))
6666 return -EINVAL;
6667 setup->user_mpm = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_MPM]);
b130e5ce
JC		 6668 setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]);
6669 setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]);
bb2798d4
TP		 6670 if (setup->is_secure)
6671 setup->user_mpm = true;
c80d545d 6672
6e16d90b
CT		 6673 if (tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]) {
6674 if (!setup->user_mpm)
6675 return -EINVAL;
6676 setup->auth_id =
6677 nla_get_u8(tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]);
6678 }
6679
c80d545d
JC		 6680 return 0;
6681}
6682
24bdd9f4 6683static int nl80211_update_mesh_config(struct sk_buff *skb,
29cbe68c 6684 struct genl_info *info)
bd90fdcc
JB		 6685{
6686 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6687 struct net_device *dev = info->user_ptr[1];
29cbe68c 6688 struct wireless_dev *wdev = dev->ieee80211_ptr;
bd90fdcc
JB		 6689 struct mesh_config cfg;
6690 u32 mask;
6691 int err;
6692
29cbe68c
JB		 6693 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
6694 return -EOPNOTSUPP;
6695
24bdd9f4 6696 if (!rdev->ops->update_mesh_config)
bd90fdcc
JB		 6697 return -EOPNOTSUPP;
6698
24bdd9f4 6699 err = nl80211_parse_mesh_config(info, &cfg, &mask);
bd90fdcc
JB		 6700 if (err)
6701 return err;
6702
29cbe68c
JB		 6703 wdev_lock(wdev);
6704 if (!wdev->mesh_id_len)
6705 err = -ENOLINK;
6706
6707 if (!err)
e35e4d28 6708 err = rdev_update_mesh_config(rdev, dev, mask, &cfg);
29cbe68c
JB		 6709
6710 wdev_unlock(wdev);
6711
6712 return err;
93da9cc1 6713}
6714
ad30ca2c
AN		 6715static int nl80211_put_regdom(const struct ieee80211_regdomain *regdom,
6716 struct sk_buff *msg)
f130347c 6717{
f130347c
LR		 6718 struct nlattr *nl_reg_rules;
6719 unsigned int i;
f130347c 6720
458f4f9e
JB		 6721 if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, regdom->alpha2) ||
6722 (regdom->dfs_region &&
6723 nla_put_u8(msg, NL80211_ATTR_DFS_REGION, regdom->dfs_region)))
ad30ca2c 6724 goto nla_put_failure;
458f4f9e 6725
ae0be8de 6726 nl_reg_rules = nla_nest_start_noflag(msg, NL80211_ATTR_REG_RULES);
f130347c 6727 if (!nl_reg_rules)
ad30ca2c 6728 goto nla_put_failure;
f130347c 6729
458f4f9e 6730 for (i = 0; i < regdom->n_reg_rules; i++) {
f130347c
LR		 6731 struct nlattr *nl_reg_rule;
6732 const struct ieee80211_reg_rule *reg_rule;
6733 const struct ieee80211_freq_range *freq_range;
6734 const struct ieee80211_power_rule *power_rule;
97524820 6735 unsigned int max_bandwidth_khz;
f130347c 6736
458f4f9e 6737 reg_rule = &regdom->reg_rules[i];
f130347c
LR		 6738 freq_range = &reg_rule->freq_range;
6739 power_rule = &reg_rule->power_rule;
6740
ae0be8de 6741 nl_reg_rule = nla_nest_start_noflag(msg, i);
f130347c 6742 if (!nl_reg_rule)
ad30ca2c 6743 goto nla_put_failure;
f130347c 6744
97524820
JD		 6745 max_bandwidth_khz = freq_range->max_bandwidth_khz;
6746 if (!max_bandwidth_khz)
6747 max_bandwidth_khz = reg_get_max_bandwidth(regdom,
6748 reg_rule);
6749
9360ffd1
DM		 6750 if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS,
6751 reg_rule->flags) ||
6752 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START,
6753 freq_range->start_freq_khz) ||
6754 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END,
6755 freq_range->end_freq_khz) ||
6756 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW,
97524820 6757 max_bandwidth_khz) ||
9360ffd1
DM		 6758 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN,
6759 power_rule->max_antenna_gain) ||
6760 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP,
089027e5
JD		 6761 power_rule->max_eirp) ||
6762 nla_put_u32(msg, NL80211_ATTR_DFS_CAC_TIME,
6763 reg_rule->dfs_cac_ms))
ad30ca2c 6764 goto nla_put_failure;
f130347c
LR		 6765
6766 nla_nest_end(msg, nl_reg_rule);
6767 }
6768
6769 nla_nest_end(msg, nl_reg_rules);
ad30ca2c
AN		 6770 return 0;
6771
6772nla_put_failure:
6773 return -EMSGSIZE;
6774}
6775
6776static int nl80211_get_reg_do(struct sk_buff *skb, struct genl_info *info)
6777{
6778 const struct ieee80211_regdomain *regdom = NULL;
6779 struct cfg80211_registered_device *rdev;
6780 struct wiphy *wiphy = NULL;
6781 struct sk_buff *msg;
6782 void *hdr;
6783
6784 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6785 if (!msg)
6786 return -ENOBUFS;
6787
6788 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
6789 NL80211_CMD_GET_REG);
6790 if (!hdr)
6791 goto put_failure;
6792
6793 if (info->attrs[NL80211_ATTR_WIPHY]) {
1bdd716c
AN		 6794 bool self_managed;
6795
ad30ca2c
AN		 6796 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
6797 if (IS_ERR(rdev)) {
6798 nlmsg_free(msg);
6799 return PTR_ERR(rdev);
6800 }
6801
6802 wiphy = &rdev->wiphy;
1bdd716c
AN		 6803 self_managed = wiphy->regulatory_flags &
6804 REGULATORY_WIPHY_SELF_MANAGED;
ad30ca2c
AN		 6805 regdom = get_wiphy_regdom(wiphy);
6806
1bdd716c
AN		 6807 /* a self-managed-reg device must have a private regdom */
6808 if (WARN_ON(!regdom && self_managed)) {
6809 nlmsg_free(msg);
6810 return -EINVAL;
6811 }
6812
ad30ca2c
AN		 6813 if (regdom &&
6814 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
6815 goto nla_put_failure;
6816 }
6817
6818 if (!wiphy && reg_last_request_cell_base() &&
6819 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
6820 NL80211_USER_REG_HINT_CELL_BASE))
6821 goto nla_put_failure;
6822
6823 rcu_read_lock();
6824
6825 if (!regdom)
6826 regdom = rcu_dereference(cfg80211_regdomain);
6827
6828 if (nl80211_put_regdom(regdom, msg))
6829 goto nla_put_failure_rcu;
6830
6831 rcu_read_unlock();
f130347c
LR		 6832
6833 genlmsg_end(msg, hdr);
5fe231e8 6834 return genlmsg_reply(msg, info);
f130347c 6835
458f4f9e
JB		 6836nla_put_failure_rcu:
6837 rcu_read_unlock();
f130347c 6838nla_put_failure:
efe1cf0c 6839put_failure:
d080e275 6840 nlmsg_free(msg);
5fe231e8 6841 return -EMSGSIZE;
f130347c
LR		 6842}
6843
ad30ca2c
AN		 6844static int nl80211_send_regdom(struct sk_buff *msg, struct netlink_callback *cb,
6845 u32 seq, int flags, struct wiphy *wiphy,
6846 const struct ieee80211_regdomain *regdom)
6847{
6848 void *hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
6849 NL80211_CMD_GET_REG);
6850
6851 if (!hdr)
6852 return -1;
6853
0a833c29 6854 genl_dump_check_consistent(cb, hdr);
ad30ca2c
AN		 6855
6856 if (nl80211_put_regdom(regdom, msg))
6857 goto nla_put_failure;
6858
6859 if (!wiphy && reg_last_request_cell_base() &&
6860 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
6861 NL80211_USER_REG_HINT_CELL_BASE))
6862 goto nla_put_failure;
6863
6864 if (wiphy &&
6865 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
6866 goto nla_put_failure;
6867
1bdd716c
AN		 6868 if (wiphy && wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
6869 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
6870 goto nla_put_failure;
6871
053c095a
JB		 6872 genlmsg_end(msg, hdr);
6873 return 0;
ad30ca2c
AN		 6874
6875nla_put_failure:
6876 genlmsg_cancel(msg, hdr);
6877 return -EMSGSIZE;
6878}
6879
6880static int nl80211_get_reg_dump(struct sk_buff *skb,
6881 struct netlink_callback *cb)
6882{
6883 const struct ieee80211_regdomain *regdom = NULL;
6884 struct cfg80211_registered_device *rdev;
6885 int err, reg_idx, start = cb->args[2];
6886
6887 rtnl_lock();
6888
6889 if (cfg80211_regdomain && start == 0) {
6890 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
6891 NLM_F_MULTI, NULL,
6892 rtnl_dereference(cfg80211_regdomain));
6893 if (err < 0)
6894 goto out_err;
6895 }
6896
6897 /* the global regdom is idx 0 */
6898 reg_idx = 1;
6899 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
6900 regdom = get_wiphy_regdom(&rdev->wiphy);
6901 if (!regdom)
6902 continue;
6903
6904 if (++reg_idx <= start)
6905 continue;
6906
6907 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
6908 NLM_F_MULTI, &rdev->wiphy, regdom);
6909 if (err < 0) {
6910 reg_idx--;
6911 break;
6912 }
6913 }
6914
6915 cb->args[2] = reg_idx;
6916 err = skb->len;
6917out_err:
6918 rtnl_unlock();
6919 return err;
6920}
6921
b6863036
JB		 6922#ifdef CONFIG_CFG80211_CRDA_SUPPORT
6923static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = {
6924 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
6925 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
6926 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
6927 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
6928 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
6929 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
6930 [NL80211_ATTR_DFS_CAC_TIME] = { .type = NLA_U32 },
6931};
6932
6933static int parse_reg_rule(struct nlattr *tb[],
6934 struct ieee80211_reg_rule *reg_rule)
6935{
6936 struct ieee80211_freq_range *freq_range = &reg_rule->freq_range;
6937 struct ieee80211_power_rule *power_rule = &reg_rule->power_rule;
6938
6939 if (!tb[NL80211_ATTR_REG_RULE_FLAGS])
6940 return -EINVAL;
6941 if (!tb[NL80211_ATTR_FREQ_RANGE_START])
6942 return -EINVAL;
6943 if (!tb[NL80211_ATTR_FREQ_RANGE_END])
6944 return -EINVAL;
6945 if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW])
6946 return -EINVAL;
6947 if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP])
6948 return -EINVAL;
6949
6950 reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]);
6951
6952 freq_range->start_freq_khz =
6953 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]);
6954 freq_range->end_freq_khz =
6955 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]);
6956 freq_range->max_bandwidth_khz =
6957 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]);
6958
6959 power_rule->max_eirp =
6960 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]);
6961
6962 if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN])
6963 power_rule->max_antenna_gain =
6964 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]);
6965
6966 if (tb[NL80211_ATTR_DFS_CAC_TIME])
6967 reg_rule->dfs_cac_ms =
6968 nla_get_u32(tb[NL80211_ATTR_DFS_CAC_TIME]);
6969
6970 return 0;
6971}
6972
b2e1b302
LR		 6973static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info)
6974{
6975 struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1];
6976 struct nlattr *nl_reg_rule;
ea372c54
JB		 6977 char *alpha2;
6978 int rem_reg_rules, r;
391d132c 6979 u32 num_rules = 0, rule_idx = 0;
4c7d3982 6980 enum nl80211_dfs_regions dfs_region = NL80211_DFS_UNSET;
ea372c54 6981 struct ieee80211_regdomain *rd;
b2e1b302
LR		 6982
6983 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
6984 return -EINVAL;
6985
6986 if (!info->attrs[NL80211_ATTR_REG_RULES])
6987 return -EINVAL;
6988
6989 alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
6990
8b60b078
LR		 6991 if (info->attrs[NL80211_ATTR_DFS_REGION])
6992 dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]);
6993
b2e1b302 6994 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
1a919318 6995 rem_reg_rules) {
b2e1b302
LR		 6996 num_rules++;
6997 if (num_rules > NL80211_MAX_SUPP_REG_RULES)
4776c6e7 6998 return -EINVAL;
b2e1b302
LR		 6999 }
7000
e438768f
LR		 7001 if (!reg_is_valid_request(alpha2))
7002 return -EINVAL;
7003
391d132c 7004 rd = kzalloc(struct_size(rd, reg_rules, num_rules), GFP_KERNEL);
6913b49a
JB		 7005 if (!rd)
7006 return -ENOMEM;
b2e1b302
LR		 7007
7008 rd->n_reg_rules = num_rules;
7009 rd->alpha2[0] = alpha2[0];
7010 rd->alpha2[1] = alpha2[1];
7011
8b60b078
LR		 7012 /*
7013 * Disable DFS master mode if the DFS region was
7014 * not supported or known on this kernel.
7015 */
7016 if (reg_supported_dfs_region(dfs_region))
7017 rd->dfs_region = dfs_region;
7018
b2e1b302 7019 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
1a919318 7020 rem_reg_rules) {
8cb08174
JB		 7021 r = nla_parse_nested_deprecated(tb, NL80211_REG_RULE_ATTR_MAX,
7022 nl_reg_rule, reg_rule_policy,
7023 info->extack);
ae811e21
JB		 7024 if (r)
7025 goto bad_reg;
b2e1b302
LR		 7026 r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]);
7027 if (r)
7028 goto bad_reg;
7029
7030 rule_idx++;
7031
d0e18f83
LR		 7032 if (rule_idx > NL80211_MAX_SUPP_REG_RULES) {
7033 r = -EINVAL;
b2e1b302 7034 goto bad_reg;
d0e18f83 7035 }
b2e1b302
LR		 7036 }
7037
06627990
JB		 7038 /* set_regdom takes ownership of rd */
7039 return set_regdom(rd, REGD_SOURCE_CRDA);
d2372b31 7040 bad_reg:
b2e1b302 7041 kfree(rd);
d0e18f83 7042 return r;
b2e1b302 7043}
b6863036 7044#endif /* CONFIG_CFG80211_CRDA_SUPPORT */
b2e1b302 7045
83f5e2cf
JB		 7046static int validate_scan_freqs(struct nlattr *freqs)
7047{
7048 struct nlattr *attr1, *attr2;
7049 int n_channels = 0, tmp1, tmp2;
7050
d7f13f74
SD		 7051 nla_for_each_nested(attr1, freqs, tmp1)
7052 if (nla_len(attr1) != sizeof(u32))
7053 return 0;
7054
83f5e2cf
JB		 7055 nla_for_each_nested(attr1, freqs, tmp1) {
7056 n_channels++;
7057 /*
7058 * Some hardware has a limited channel list for
7059 * scanning, and it is pretty much nonsensical
7060 * to scan for a channel twice, so disallow that
7061 * and don't require drivers to check that the
7062 * channel list they get isn't longer than what
7063 * they can scan, as long as they can scan all
7064 * the channels they registered at once.
7065 */
7066 nla_for_each_nested(attr2, freqs, tmp2)
7067 if (attr1 != attr2 &&
7068 nla_get_u32(attr1) == nla_get_u32(attr2))
7069 return 0;
7070 }
7071
7072 return n_channels;
7073}
7074
57fbcce3 7075static bool is_band_valid(struct wiphy *wiphy, enum nl80211_band b)
38de03d2 7076{
57fbcce3 7077 return b < NUM_NL80211_BANDS && wiphy->bands[b];
38de03d2
AS		 7078}
7079
7080static int parse_bss_select(struct nlattr *nla, struct wiphy *wiphy,
7081 struct cfg80211_bss_selection *bss_select)
7082{
7083 struct nlattr *attr[NL80211_BSS_SELECT_ATTR_MAX + 1];
7084 struct nlattr *nest;
7085 int err;
7086 bool found = false;
7087 int i;
7088
7089 /* only process one nested attribute */
7090 nest = nla_data(nla);
7091 if (!nla_ok(nest, nla_len(nest)))
7092 return -EINVAL;
7093
8cb08174
JB		 7094 err = nla_parse_nested_deprecated(attr, NL80211_BSS_SELECT_ATTR_MAX,
7095 nest, nl80211_bss_select_policy,
7096 NULL);
38de03d2
AS		 7097 if (err)
7098 return err;
7099
7100 /* only one attribute may be given */
7101 for (i = 0; i <= NL80211_BSS_SELECT_ATTR_MAX; i++) {
7102 if (attr[i]) {
7103 if (found)
7104 return -EINVAL;
7105 found = true;
7106 }
7107 }
7108
7109 bss_select->behaviour = __NL80211_BSS_SELECT_ATTR_INVALID;
7110
7111 if (attr[NL80211_BSS_SELECT_ATTR_RSSI])
7112 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI;
7113
7114 if (attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]) {
7115 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_BAND_PREF;
7116 bss_select->param.band_pref =
7117 nla_get_u32(attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]);
7118 if (!is_band_valid(wiphy, bss_select->param.band_pref))
7119 return -EINVAL;
7120 }
7121
7122 if (attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]) {
7123 struct nl80211_bss_select_rssi_adjust *adj_param;
7124
7125 adj_param = nla_data(attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]);
7126 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI_ADJUST;
7127 bss_select->param.adjust.band = adj_param->band;
7128 bss_select->param.adjust.delta = adj_param->delta;
7129 if (!is_band_valid(wiphy, bss_select->param.adjust.band))
7130 return -EINVAL;
7131 }
7132
7133 /* user-space did not provide behaviour attribute */
7134 if (bss_select->behaviour == __NL80211_BSS_SELECT_ATTR_INVALID)
7135 return -EINVAL;
7136
7137 if (!(wiphy->bss_select_support & BIT(bss_select->behaviour)))
7138 return -EINVAL;
7139
7140 return 0;
7141}
7142
9bb7e0f2
JB		 7143int nl80211_parse_random_mac(struct nlattr **attrs,
7144 u8 *mac_addr, u8 *mac_addr_mask)
ad2b26ab
JB		 7145{
7146 int i;
7147
7148 if (!attrs[NL80211_ATTR_MAC] && !attrs[NL80211_ATTR_MAC_MASK]) {
d2beae10
JP		 7149 eth_zero_addr(mac_addr);
7150 eth_zero_addr(mac_addr_mask);
ad2b26ab
JB		 7151 mac_addr[0] = 0x2;
7152 mac_addr_mask[0] = 0x3;
7153
7154 return 0;
7155 }
7156
7157 /* need both or none */
7158 if (!attrs[NL80211_ATTR_MAC] || !attrs[NL80211_ATTR_MAC_MASK])
7159 return -EINVAL;
7160
7161 memcpy(mac_addr, nla_data(attrs[NL80211_ATTR_MAC]), ETH_ALEN);
7162 memcpy(mac_addr_mask, nla_data(attrs[NL80211_ATTR_MAC_MASK]), ETH_ALEN);
7163
7164 /* don't allow or configure an mcast address */
7165 if (!is_multicast_ether_addr(mac_addr_mask) ||
7166 is_multicast_ether_addr(mac_addr))
7167 return -EINVAL;
7168
7169 /*
7170 * allow users to pass a MAC address that has bits set outside
7171 * of the mask, but don't bother drivers with having to deal
7172 * with such bits
7173 */
7174 for (i = 0; i < ETH_ALEN; i++)
7175 mac_addr[i] &= mac_addr_mask[i];
7176
7177 return 0;
7178}
7179
34373d12
VT		 7180static bool cfg80211_off_channel_oper_allowed(struct wireless_dev *wdev)
7181{
7182 ASSERT_WDEV_LOCK(wdev);
7183
7184 if (!cfg80211_beaconing_iface_active(wdev))
7185 return true;
7186
7187 if (!(wdev->chandef.chan->flags & IEEE80211_CHAN_RADAR))
7188 return true;
7189
7190 return regulatory_pre_cac_allowed(wdev->wiphy);
7191}
7192
db0a4ad8
JB		 7193static bool nl80211_check_scan_feat(struct wiphy *wiphy, u32 flags, u32 flag,
7194 enum nl80211_ext_feature_index feat)
7195{
7196 if (!(flags & flag))
7197 return true;
7198 if (wiphy_ext_feature_isset(wiphy, feat))
7199 return true;
7200 return false;
7201}
7202
2d23d073
RZ		 7203static int
7204nl80211_check_scan_flags(struct wiphy *wiphy, struct wireless_dev *wdev,
7205 void *request, struct nlattr **attrs,
7206 bool is_sched_scan)
7207{
7208 u8 *mac_addr, *mac_addr_mask;
7209 u32 *flags;
7210 enum nl80211_feature_flags randomness_flag;
7211
7212 if (!attrs[NL80211_ATTR_SCAN_FLAGS])
7213 return 0;
7214
7215 if (is_sched_scan) {
7216 struct cfg80211_sched_scan_request *req = request;
7217
7218 randomness_flag = wdev ?
7219 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR :
7220 NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
7221 flags = &req->flags;
7222 mac_addr = req->mac_addr;
7223 mac_addr_mask = req->mac_addr_mask;
7224 } else {
7225 struct cfg80211_scan_request *req = request;
7226
7227 randomness_flag = NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;
7228 flags = &req->flags;
7229 mac_addr = req->mac_addr;
7230 mac_addr_mask = req->mac_addr_mask;
7231 }
7232
7233 *flags = nla_get_u32(attrs[NL80211_ATTR_SCAN_FLAGS]);
7234
5037a009
SD		 7235 if (((*flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
7236 !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) ||
db0a4ad8
JB		 7237 !nl80211_check_scan_feat(wiphy, *flags,
7238 NL80211_SCAN_FLAG_LOW_SPAN,
7239 NL80211_EXT_FEATURE_LOW_SPAN_SCAN) ||
7240 !nl80211_check_scan_feat(wiphy, *flags,
7241 NL80211_SCAN_FLAG_LOW_POWER,
7242 NL80211_EXT_FEATURE_LOW_POWER_SCAN) ||
7243 !nl80211_check_scan_feat(wiphy, *flags,
7244 NL80211_SCAN_FLAG_HIGH_ACCURACY,
7245 NL80211_EXT_FEATURE_HIGH_ACCURACY_SCAN) ||
7246 !nl80211_check_scan_feat(wiphy, *flags,
7247 NL80211_SCAN_FLAG_FILS_MAX_CHANNEL_TIME,
7248 NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME) ||
7249 !nl80211_check_scan_feat(wiphy, *flags,
7250 NL80211_SCAN_FLAG_ACCEPT_BCAST_PROBE_RESP,
7251 NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP) ||
7252 !nl80211_check_scan_feat(wiphy, *flags,
7253 NL80211_SCAN_FLAG_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION,
7254 NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION) ||
7255 !nl80211_check_scan_feat(wiphy, *flags,
7256 NL80211_SCAN_FLAG_OCE_PROBE_REQ_HIGH_TX_RATE,
2e076f19
JB		 7257 NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE) ||
7258 !nl80211_check_scan_feat(wiphy, *flags,
7259 NL80211_SCAN_FLAG_RANDOM_SN,
7260 NL80211_EXT_FEATURE_SCAN_RANDOM_SN) ||
7261 !nl80211_check_scan_feat(wiphy, *flags,
7262 NL80211_SCAN_FLAG_MIN_PREQ_CONTENT,
7263 NL80211_EXT_FEATURE_SCAN_MIN_PREQ_CONTENT))
2d23d073
RZ		 7264 return -EOPNOTSUPP;
7265
7266 if (*flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
7267 int err;
7268
7269 if (!(wiphy->features & randomness_flag) ||
7270 (wdev && wdev->current_bss))
7271 return -EOPNOTSUPP;
7272
7273 err = nl80211_parse_random_mac(attrs, mac_addr, mac_addr_mask);
7274 if (err)
7275 return err;
7276 }
7277
2d23d073
RZ		 7278 return 0;
7279}
7280
2a519311
JB		 7281static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
7282{
4c476991 7283 struct cfg80211_registered_device *rdev = info->user_ptr[0];
fd014284 7284 struct wireless_dev *wdev = info->user_ptr[1];
2a519311 7285 struct cfg80211_scan_request *request;
2a519311
JB		 7286 struct nlattr *attr;
7287 struct wiphy *wiphy;
83f5e2cf 7288 int err, tmp, n_ssids = 0, n_channels, i;
70692ad2 7289 size_t ie_len;
2a519311 7290
79c97e97 7291 wiphy = &rdev->wiphy;
2a519311 7292
cb3b7d87
AB		 7293 if (wdev->iftype == NL80211_IFTYPE_NAN)
7294 return -EOPNOTSUPP;
7295
4c476991
JB		 7296 if (!rdev->ops->scan)
7297 return -EOPNOTSUPP;
2a519311 7298
f9d15d16 7299 if (rdev->scan_req || rdev->scan_msg) {
f9f47529
JB		 7300 err = -EBUSY;
7301 goto unlock;
7302 }
2a519311
JB		 7303
7304 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
83f5e2cf
JB		 7305 n_channels = validate_scan_freqs(
7306 info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
f9f47529
JB		 7307 if (!n_channels) {
7308 err = -EINVAL;
7309 goto unlock;
7310 }
2a519311 7311 } else {
bdfbec2d 7312 n_channels = ieee80211_get_num_supported_channels(wiphy);
2a519311
JB		 7313 }
7314
7315 if (info->attrs[NL80211_ATTR_SCAN_SSIDS])
7316 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp)
7317 n_ssids++;
7318
f9f47529
JB		 7319 if (n_ssids > wiphy->max_scan_ssids) {
7320 err = -EINVAL;
7321 goto unlock;
7322 }
2a519311 7323
70692ad2
JM		 7324 if (info->attrs[NL80211_ATTR_IE])
7325 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
7326 else
7327 ie_len = 0;
7328
f9f47529
JB		 7329 if (ie_len > wiphy->max_scan_ie_len) {
7330 err = -EINVAL;
7331 goto unlock;
7332 }
18a83659 7333
2a519311 7334 request = kzalloc(sizeof(*request)
a2cd43c5
LC		 7335 + sizeof(*request->ssids) * n_ssids
7336 + sizeof(*request->channels) * n_channels
70692ad2 7337 + ie_len, GFP_KERNEL);
f9f47529
JB		 7338 if (!request) {
7339 err = -ENOMEM;
7340 goto unlock;
7341 }
2a519311 7342
2a519311 7343 if (n_ssids)
5ba63533 7344 request->ssids = (void *)&request->channels[n_channels];
2a519311 7345 request->n_ssids = n_ssids;
70692ad2 7346 if (ie_len) {
13874e4b 7347 if (n_ssids)
70692ad2
JM		 7348 request->ie = (void *)(request->ssids + n_ssids);
7349 else
7350 request->ie = (void *)(request->channels + n_channels);
7351 }
2a519311 7352
584991dc 7353 i = 0;
2a519311
JB		 7354 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
7355 /* user specified, bail out if channel not found */
2a519311 7356 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) {
584991dc
JB		 7357 struct ieee80211_channel *chan;
7358
7359 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
7360
7361 if (!chan) {
2a519311
JB		 7362 err = -EINVAL;
7363 goto out_free;
7364 }
584991dc
JB		 7365
7366 /* ignore disabled channels */
7367 if (chan->flags & IEEE80211_CHAN_DISABLED)
7368 continue;
7369
7370 request->channels[i] = chan;
2a519311
JB		 7371 i++;
7372 }
7373 } else {
57fbcce3 7374 enum nl80211_band band;
34850ab2 7375
2a519311 7376 /* all channels */
57fbcce3 7377 for (band = 0; band < NUM_NL80211_BANDS; band++) {
2a519311 7378 int j;
7a087e74 7379
2a519311
JB		 7380 if (!wiphy->bands[band])
7381 continue;
7382 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
584991dc
JB		 7383 struct ieee80211_channel *chan;
7384
7385 chan = &wiphy->bands[band]->channels[j];
7386
7387 if (chan->flags & IEEE80211_CHAN_DISABLED)
7388 continue;
7389
7390 request->channels[i] = chan;
2a519311
JB		 7391 i++;
7392 }
7393 }
7394 }
7395
584991dc
JB		 7396 if (!i) {
7397 err = -EINVAL;
7398 goto out_free;
7399 }
7400
7401 request->n_channels = i;
7402
34373d12
VT		 7403 wdev_lock(wdev);
7404 if (!cfg80211_off_channel_oper_allowed(wdev)) {
7405 struct ieee80211_channel *chan;
7406
7407 if (request->n_channels != 1) {
7408 wdev_unlock(wdev);
7409 err = -EBUSY;
7410 goto out_free;
7411 }
7412
7413 chan = request->channels[0];
7414 if (chan->center_freq != wdev->chandef.chan->center_freq) {
7415 wdev_unlock(wdev);
7416 err = -EBUSY;
7417 goto out_free;
7418 }
7419 }
7420 wdev_unlock(wdev);
7421
2a519311 7422 i = 0;
13874e4b 7423 if (n_ssids) {
2a519311 7424 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) {
57a27e1d 7425 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
2a519311
JB		 7426 err = -EINVAL;
7427 goto out_free;
7428 }
57a27e1d 7429 request->ssids[i].ssid_len = nla_len(attr);
2a519311 7430 memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr));
2a519311
JB		 7431 i++;
7432 }
7433 }
7434
70692ad2
JM		 7435 if (info->attrs[NL80211_ATTR_IE]) {
7436 request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
de95a54b
JB		 7437 memcpy((void *)request->ie,
7438 nla_data(info->attrs[NL80211_ATTR_IE]),
70692ad2
JM		 7439 request->ie_len);
7440 }
7441
57fbcce3 7442 for (i = 0; i < NUM_NL80211_BANDS; i++)
a401d2bb
JB		 7443 if (wiphy->bands[i])
7444 request->rates[i] =
7445 (1 << wiphy->bands[i]->n_bitrates) - 1;
34850ab2
JB		 7446
7447 if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) {
7448 nla_for_each_nested(attr,
7449 info->attrs[NL80211_ATTR_SCAN_SUPP_RATES],
7450 tmp) {
57fbcce3 7451 enum nl80211_band band = nla_type(attr);
34850ab2 7452
57fbcce3 7453 if (band < 0 || band >= NUM_NL80211_BANDS) {
34850ab2
JB		 7454 err = -EINVAL;
7455 goto out_free;
7456 }
1b09cd82
FF		 7457
7458 if (!wiphy->bands[band])
7459 continue;
7460
34850ab2
JB		 7461 err = ieee80211_get_ratemask(wiphy->bands[band],
7462 nla_data(attr),
7463 nla_len(attr),
7464 &request->rates[band]);
7465 if (err)
7466 goto out_free;
7467 }
7468 }
7469
1d76250b
AS		 7470 if (info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]) {
7471 if (!wiphy_ext_feature_isset(wiphy,
7472 NL80211_EXT_FEATURE_SET_SCAN_DWELL)) {
7473 err = -EOPNOTSUPP;
7474 goto out_free;
7475 }
7476
7477 request->duration =
7478 nla_get_u16(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]);
7479 request->duration_mandatory =
7480 nla_get_flag(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY]);
7481 }
7482
2d23d073
RZ		 7483 err = nl80211_check_scan_flags(wiphy, wdev, request, info->attrs,
7484 false);
7485 if (err)
7486 goto out_free;
ed473771 7487
e9f935e3
RM		 7488 request->no_cck =
7489 nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
7490
2fa436b3
VK		 7491 /* Initial implementation used NL80211_ATTR_MAC to set the specific
7492 * BSSID to scan for. This was problematic because that same attribute
7493 * was already used for another purpose (local random MAC address). The
7494 * NL80211_ATTR_BSSID attribute was added to fix this. For backwards
7495 * compatibility with older userspace components, also use the
7496 * NL80211_ATTR_MAC value here if it can be determined to be used for
7497 * the specific BSSID use case instead of the random MAC address
7498 * (NL80211_ATTR_SCAN_FLAGS is used to enable random MAC address use).
7499 */
7500 if (info->attrs[NL80211_ATTR_BSSID])
7501 memcpy(request->bssid,
7502 nla_data(info->attrs[NL80211_ATTR_BSSID]), ETH_ALEN);
7503 else if (!(request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) &&
7504 info->attrs[NL80211_ATTR_MAC])
818965d3
JM		 7505 memcpy(request->bssid, nla_data(info->attrs[NL80211_ATTR_MAC]),
7506 ETH_ALEN);
7507 else
7508 eth_broadcast_addr(request->bssid);
7509
fd014284 7510 request->wdev = wdev;
79c97e97 7511 request->wiphy = &rdev->wiphy;
15d6030b 7512 request->scan_start = jiffies;
2a519311 7513
79c97e97 7514 rdev->scan_req = request;
e35e4d28 7515 err = rdev_scan(rdev, request);
2a519311 7516
463d0183 7517 if (!err) {
fd014284
JB		 7518 nl80211_send_scan_start(rdev, wdev);
7519 if (wdev->netdev)
7520 dev_hold(wdev->netdev);
4c476991 7521 } else {
2a519311 7522 out_free:
79c97e97 7523 rdev->scan_req = NULL;
2a519311
JB		 7524 kfree(request);
7525 }
3b85875a 7526
f9f47529 7527 unlock:
2a519311
JB		 7528 return err;
7529}
7530
91d3ab46
VK		 7531static int nl80211_abort_scan(struct sk_buff *skb, struct genl_info *info)
7532{
7533 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7534 struct wireless_dev *wdev = info->user_ptr[1];
7535
7536 if (!rdev->ops->abort_scan)
7537 return -EOPNOTSUPP;
7538
7539 if (rdev->scan_msg)
7540 return 0;
7541
7542 if (!rdev->scan_req)
7543 return -ENOENT;
7544
7545 rdev_abort_scan(rdev, wdev);
7546 return 0;
7547}
7548
3b06d277
AS		 7549static int
7550nl80211_parse_sched_scan_plans(struct wiphy *wiphy, int n_plans,
7551 struct cfg80211_sched_scan_request *request,
7552 struct nlattr **attrs)
7553{
7554 int tmp, err, i = 0;
7555 struct nlattr *attr;
7556
7557 if (!attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
7558 u32 interval;
7559
7560 /*
7561 * If scan plans are not specified,
5a88de53 7562 * %NL80211_ATTR_SCHED_SCAN_INTERVAL will be specified. In this
3b06d277
AS		 7563 * case one scan plan will be set with the specified scan
7564 * interval and infinite number of iterations.
7565 */
3b06d277
AS		 7566 interval = nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]);
7567 if (!interval)
7568 return -EINVAL;
7569
7570 request->scan_plans[0].interval =
7571 DIV_ROUND_UP(interval, MSEC_PER_SEC);
7572 if (!request->scan_plans[0].interval)
7573 return -EINVAL;
7574
7575 if (request->scan_plans[0].interval >
7576 wiphy->max_sched_scan_plan_interval)
7577 request->scan_plans[0].interval =
7578 wiphy->max_sched_scan_plan_interval;
7579
7580 return 0;
7581 }
7582
7583 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp) {
7584 struct nlattr *plan[NL80211_SCHED_SCAN_PLAN_MAX + 1];
7585
7586 if (WARN_ON(i >= n_plans))
7587 return -EINVAL;
7588
8cb08174
JB		 7589 err = nla_parse_nested_deprecated(plan,
7590 NL80211_SCHED_SCAN_PLAN_MAX,
7591 attr, nl80211_plan_policy,
7592 NULL);
3b06d277
AS		 7593 if (err)
7594 return err;
7595
7596 if (!plan[NL80211_SCHED_SCAN_PLAN_INTERVAL])
7597 return -EINVAL;
7598
7599 request->scan_plans[i].interval =
7600 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_INTERVAL]);
7601 if (!request->scan_plans[i].interval ||
7602 request->scan_plans[i].interval >
7603 wiphy->max_sched_scan_plan_interval)
7604 return -EINVAL;
7605
7606 if (plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]) {
7607 request->scan_plans[i].iterations =
7608 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]);
7609 if (!request->scan_plans[i].iterations ||
7610 (request->scan_plans[i].iterations >
7611 wiphy->max_sched_scan_plan_iterations))
7612 return -EINVAL;
7613 } else if (i < n_plans - 1) {
7614 /*
7615 * All scan plans but the last one must specify
7616 * a finite number of iterations
7617 */
7618 return -EINVAL;
7619 }
7620
7621 i++;
7622 }
7623
7624 /*
7625 * The last scan plan must not specify the number of
7626 * iterations, it is supposed to run infinitely
7627 */
7628 if (request->scan_plans[n_plans - 1].iterations)
7629 return -EINVAL;
7630
7631 return 0;
7632}
7633
1e1b11b6 7634static int
7635nl80211_parse_sched_scan_per_band_rssi(struct wiphy *wiphy,
7636 struct cfg80211_match_set *match_sets,
7637 struct nlattr *tb_band_rssi,
7638 s32 rssi_thold)
7639{
7640 struct nlattr *attr;
7641 int i, tmp, ret = 0;
7642
7643 if (!wiphy_ext_feature_isset(wiphy,
7644 NL80211_EXT_FEATURE_SCHED_SCAN_BAND_SPECIFIC_RSSI_THOLD)) {
7645 if (tb_band_rssi)
7646 ret = -EOPNOTSUPP;
7647 else
7648 for (i = 0; i < NUM_NL80211_BANDS; i++)
7649 match_sets->per_band_rssi_thold[i] =
7650 NL80211_SCAN_RSSI_THOLD_OFF;
7651 return ret;
7652 }
7653
7654 for (i = 0; i < NUM_NL80211_BANDS; i++)
7655 match_sets->per_band_rssi_thold[i] = rssi_thold;
7656
7657 nla_for_each_nested(attr, tb_band_rssi, tmp) {
7658 enum nl80211_band band = nla_type(attr);
7659
7660 if (band < 0 || band >= NUM_NL80211_BANDS)
7661 return -EINVAL;
7662
7663 match_sets->per_band_rssi_thold[band] = nla_get_s32(attr);
7664 }
7665
7666 return 0;
7667}
7668
256da02d 7669static struct cfg80211_sched_scan_request *
ad2b26ab 7670nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev,
aad1e812 7671 struct nlattr **attrs, int max_match_sets)
807f8a8c
LC		 7672{
7673 struct cfg80211_sched_scan_request *request;
807f8a8c 7674 struct nlattr *attr;
3b06d277 7675 int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i, n_plans = 0;
57fbcce3 7676 enum nl80211_band band;
807f8a8c 7677 size_t ie_len;
a1f1c21c 7678 struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1];
ea73cbce 7679 s32 default_match_rssi = NL80211_SCAN_RSSI_THOLD_OFF;
807f8a8c 7680
256da02d 7681 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
807f8a8c 7682 n_channels = validate_scan_freqs(
256da02d 7683 attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
807f8a8c 7684 if (!n_channels)
256da02d 7685 return ERR_PTR(-EINVAL);
807f8a8c 7686 } else {
bdfbec2d 7687 n_channels = ieee80211_get_num_supported_channels(wiphy);
807f8a8c
LC		 7688 }
7689
256da02d
LC		 7690 if (attrs[NL80211_ATTR_SCAN_SSIDS])
7691 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
807f8a8c
LC		 7692 tmp)
7693 n_ssids++;
7694
93b6aa69 7695 if (n_ssids > wiphy->max_sched_scan_ssids)
256da02d 7696 return ERR_PTR(-EINVAL);
807f8a8c 7697
ea73cbce
JB		 7698 /*
7699 * First, count the number of 'real' matchsets. Due to an issue with
7700 * the old implementation, matchsets containing only the RSSI attribute
7701 * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default'
7702 * RSSI for all matchsets, rather than their own matchset for reporting
7703 * all APs with a strong RSSI. This is needed to be compatible with
7704 * older userspace that treated a matchset with only the RSSI as the
7705 * global RSSI for all other matchsets - if there are other matchsets.
7706 */
256da02d 7707 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
a1f1c21c 7708 nla_for_each_nested(attr,
256da02d 7709 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
ea73cbce
JB		 7710 tmp) {
7711 struct nlattr *rssi;
7712
8cb08174
JB		 7713 err = nla_parse_nested_deprecated(tb,
7714 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
7715 attr,
7716 nl80211_match_policy,
7717 NULL);
ea73cbce 7718 if (err)
256da02d 7719 return ERR_PTR(err);
3007e352
AVS		 7720
7721 /* SSID and BSSID are mutually exclusive */
7722 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] &&
7723 tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID])
7724 return ERR_PTR(-EINVAL);
7725
ea73cbce 7726 /* add other standalone attributes here */
3007e352
AVS		 7727 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] ||
7728 tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID]) {
ea73cbce
JB		 7729 n_match_sets++;
7730 continue;
7731 }
7732 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
7733 if (rssi)
7734 default_match_rssi = nla_get_s32(rssi);
7735 }
7736 }
7737
7738 /* However, if there's no other matchset, add the RSSI one */
7739 if (!n_match_sets && default_match_rssi != NL80211_SCAN_RSSI_THOLD_OFF)
7740 n_match_sets = 1;
a1f1c21c 7741
aad1e812 7742 if (n_match_sets > max_match_sets)
256da02d 7743 return ERR_PTR(-EINVAL);
a1f1c21c 7744
256da02d
LC		 7745 if (attrs[NL80211_ATTR_IE])
7746 ie_len = nla_len(attrs[NL80211_ATTR_IE]);
807f8a8c
LC		 7747 else
7748 ie_len = 0;
7749
5a865bad 7750 if (ie_len > wiphy->max_sched_scan_ie_len)
256da02d 7751 return ERR_PTR(-EINVAL);
c10841ca 7752
3b06d277
AS		 7753 if (attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
7754 /*
7755 * NL80211_ATTR_SCHED_SCAN_INTERVAL must not be specified since
7756 * each scan plan already specifies its own interval
7757 */
7758 if (attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
7759 return ERR_PTR(-EINVAL);
7760
7761 nla_for_each_nested(attr,
7762 attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp)
7763 n_plans++;
7764 } else {
7765 /*
7766 * The scan interval attribute is kept for backward
7767 * compatibility. If no scan plans are specified and sched scan
7768 * interval is specified, one scan plan will be set with this
7769 * scan interval and infinite number of iterations.
7770 */
7771 if (!attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
7772 return ERR_PTR(-EINVAL);
7773
7774 n_plans = 1;
7775 }
7776
7777 if (!n_plans || n_plans > wiphy->max_sched_scan_plans)
7778 return ERR_PTR(-EINVAL);
7779
bf95ecdb 7780 if (!wiphy_ext_feature_isset(
7781 wiphy, NL80211_EXT_FEATURE_SCHED_SCAN_RELATIVE_RSSI) &&
7782 (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] ||
7783 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]))
7784 return ERR_PTR(-EINVAL);
7785
807f8a8c 7786 request = kzalloc(sizeof(*request)
a2cd43c5 7787 + sizeof(*request->ssids) * n_ssids
a1f1c21c 7788 + sizeof(*request->match_sets) * n_match_sets
3b06d277 7789 + sizeof(*request->scan_plans) * n_plans
a2cd43c5 7790 + sizeof(*request->channels) * n_channels
807f8a8c 7791 + ie_len, GFP_KERNEL);
256da02d
LC		 7792 if (!request)
7793 return ERR_PTR(-ENOMEM);
807f8a8c
LC		 7794
7795 if (n_ssids)
7796 request->ssids = (void *)&request->channels[n_channels];
7797 request->n_ssids = n_ssids;
7798 if (ie_len) {
13874e4b 7799 if (n_ssids)
807f8a8c
LC		 7800 request->ie = (void *)(request->ssids + n_ssids);
7801 else
7802 request->ie = (void *)(request->channels + n_channels);
7803 }
7804
a1f1c21c
LC		 7805 if (n_match_sets) {
7806 if (request->ie)
7807 request->match_sets = (void *)(request->ie + ie_len);
13874e4b 7808 else if (n_ssids)
a1f1c21c
LC		 7809 request->match_sets =
7810 (void *)(request->ssids + n_ssids);
7811 else
7812 request->match_sets =
7813 (void *)(request->channels + n_channels);
7814 }
7815 request->n_match_sets = n_match_sets;
7816
3b06d277
AS		 7817 if (n_match_sets)
7818 request->scan_plans = (void *)(request->match_sets +
7819 n_match_sets);
7820 else if (request->ie)
7821 request->scan_plans = (void *)(request->ie + ie_len);
7822 else if (n_ssids)
7823 request->scan_plans = (void *)(request->ssids + n_ssids);
7824 else
7825 request->scan_plans = (void *)(request->channels + n_channels);
7826
7827 request->n_scan_plans = n_plans;
7828
807f8a8c 7829 i = 0;
256da02d 7830 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
807f8a8c
LC		 7831 /* user specified, bail out if channel not found */
7832 nla_for_each_nested(attr,
256da02d 7833 attrs[NL80211_ATTR_SCAN_FREQUENCIES],
807f8a8c
LC		 7834 tmp) {
7835 struct ieee80211_channel *chan;
7836
7837 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
7838
7839 if (!chan) {
7840 err = -EINVAL;
7841 goto out_free;
7842 }
7843
7844 /* ignore disabled channels */
7845 if (chan->flags & IEEE80211_CHAN_DISABLED)
7846 continue;
7847
7848 request->channels[i] = chan;
7849 i++;
7850 }
7851 } else {
7852 /* all channels */
57fbcce3 7853 for (band = 0; band < NUM_NL80211_BANDS; band++) {
807f8a8c 7854 int j;
7a087e74 7855
807f8a8c
LC		 7856 if (!wiphy->bands[band])
7857 continue;
7858 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
7859 struct ieee80211_channel *chan;
7860
7861 chan = &wiphy->bands[band]->channels[j];
7862
7863 if (chan->flags & IEEE80211_CHAN_DISABLED)
7864 continue;
7865
7866 request->channels[i] = chan;
7867 i++;
7868 }
7869 }
7870 }
7871
7872 if (!i) {
7873 err = -EINVAL;
7874 goto out_free;
7875 }
7876
7877 request->n_channels = i;
7878
7879 i = 0;
13874e4b 7880 if (n_ssids) {
256da02d 7881 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
807f8a8c 7882 tmp) {
57a27e1d 7883 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
807f8a8c
LC		 7884 err = -EINVAL;
7885 goto out_free;
7886 }
57a27e1d 7887 request->ssids[i].ssid_len = nla_len(attr);
807f8a8c
LC		 7888 memcpy(request->ssids[i].ssid, nla_data(attr),
7889 nla_len(attr));
807f8a8c
LC		 7890 i++;
7891 }
7892 }
7893
a1f1c21c 7894 i = 0;
256da02d 7895 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
a1f1c21c 7896 nla_for_each_nested(attr,
256da02d 7897 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
a1f1c21c 7898 tmp) {
3007e352 7899 struct nlattr *ssid, *bssid, *rssi;
a1f1c21c 7900
8cb08174
JB		 7901 err = nla_parse_nested_deprecated(tb,
7902 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
7903 attr,
7904 nl80211_match_policy,
7905 NULL);
ae811e21
JB		 7906 if (err)
7907 goto out_free;
4a4ab0d7 7908 ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID];
3007e352 7909 bssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID];
d39f3b4f
JB		 7910
7911 if (!ssid && !bssid) {
7912 i++;
7913 continue;
7914 }
7915
7916 if (WARN_ON(i >= n_match_sets)) {
7917 /* this indicates a programming error,
7918 * the loop above should have verified
7919 * things properly
7920 */
7921 err = -EINVAL;
7922 goto out_free;
7923 }
7924
7925 if (ssid) {
7926 if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) {
ea73cbce
JB		 7927 err = -EINVAL;
7928 goto out_free;
7929 }
d39f3b4f
JB		 7930 memcpy(request->match_sets[i].ssid.ssid,
7931 nla_data(ssid), nla_len(ssid));
7932 request->match_sets[i].ssid.ssid_len =
7933 nla_len(ssid);
7934 }
7935 if (bssid) {
7936 if (nla_len(bssid) != ETH_ALEN) {
7937 err = -EINVAL;
7938 goto out_free;
a1f1c21c 7939 }
d39f3b4f
JB		 7940 memcpy(request->match_sets[i].bssid,
7941 nla_data(bssid), ETH_ALEN);
7942 }
3007e352 7943
d39f3b4f
JB		 7944 /* special attribute - old implementation w/a */
7945 request->match_sets[i].rssi_thold = default_match_rssi;
7946 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
7947 if (rssi)
ea73cbce 7948 request->match_sets[i].rssi_thold =
d39f3b4f 7949 nla_get_s32(rssi);
1e1b11b6 7950
7951 /* Parse per band RSSI attribute */
7952 err = nl80211_parse_sched_scan_per_band_rssi(wiphy,
7953 &request->match_sets[i],
7954 tb[NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI],
7955 request->match_sets[i].rssi_thold);
7956 if (err)
7957 goto out_free;
7958
a1f1c21c
LC		 7959 i++;
7960 }
ea73cbce
JB		 7961
7962 /* there was no other matchset, so the RSSI one is alone */
f89f46cf 7963 if (i == 0 && n_match_sets)
ea73cbce
JB		 7964 request->match_sets[0].rssi_thold = default_match_rssi;
7965
7966 request->min_rssi_thold = INT_MAX;
7967 for (i = 0; i < n_match_sets; i++)
7968 request->min_rssi_thold =
7969 min(request->match_sets[i].rssi_thold,
7970 request->min_rssi_thold);
7971 } else {
7972 request->min_rssi_thold = NL80211_SCAN_RSSI_THOLD_OFF;
a1f1c21c
LC		 7973 }
7974
9900e484
JB		 7975 if (ie_len) {
7976 request->ie_len = ie_len;
807f8a8c 7977 memcpy((void *)request->ie,
256da02d 7978 nla_data(attrs[NL80211_ATTR_IE]),
807f8a8c
LC		 7979 request->ie_len);
7980 }
7981
2d23d073
RZ		 7982 err = nl80211_check_scan_flags(wiphy, wdev, request, attrs, true);
7983 if (err)
7984 goto out_free;
ed473771 7985
9c748934
LC		 7986 if (attrs[NL80211_ATTR_SCHED_SCAN_DELAY])
7987 request->delay =
7988 nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_DELAY]);
7989
bf95ecdb 7990 if (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]) {
7991 request->relative_rssi = nla_get_s8(
7992 attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]);
7993 request->relative_rssi_set = true;
7994 }
7995
7996 if (request->relative_rssi_set &&
7997 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]) {
7998 struct nl80211_bss_select_rssi_adjust *rssi_adjust;
7999
8000 rssi_adjust = nla_data(
8001 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]);
8002 request->rssi_adjust.band = rssi_adjust->band;
8003 request->rssi_adjust.delta = rssi_adjust->delta;
8004 if (!is_band_valid(wiphy, request->rssi_adjust.band)) {
8005 err = -EINVAL;
8006 goto out_free;
8007 }
8008 }
8009
3b06d277
AS		 8010 err = nl80211_parse_sched_scan_plans(wiphy, n_plans, request, attrs);
8011 if (err)
8012 goto out_free;
8013
15d6030b 8014 request->scan_start = jiffies;
807f8a8c 8015
256da02d 8016 return request;
807f8a8c
LC		 8017
8018out_free:
8019 kfree(request);
256da02d
LC		 8020 return ERR_PTR(err);
8021}
8022
8023static int nl80211_start_sched_scan(struct sk_buff *skb,
8024 struct genl_info *info)
8025{
8026 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8027 struct net_device *dev = info->user_ptr[1];
ad2b26ab 8028 struct wireless_dev *wdev = dev->ieee80211_ptr;
31a60ed1 8029 struct cfg80211_sched_scan_request *sched_scan_req;
ca986ad9 8030 bool want_multi;
256da02d
LC		 8031 int err;
8032
ca986ad9 8033 if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_start)
256da02d
LC		 8034 return -EOPNOTSUPP;
8035
ca986ad9
AVS		 8036 want_multi = info->attrs[NL80211_ATTR_SCHED_SCAN_MULTI];
8037 err = cfg80211_sched_scan_req_possible(rdev, want_multi);
8038 if (err)
8039 return err;
256da02d 8040
31a60ed1 8041 sched_scan_req = nl80211_parse_sched_scan(&rdev->wiphy, wdev,
aad1e812
AVS		 8042 info->attrs,
8043 rdev->wiphy.max_match_sets);
31a60ed1
JR		 8044
8045 err = PTR_ERR_OR_ZERO(sched_scan_req);
256da02d
LC		 8046 if (err)
8047 goto out_err;
8048
ca986ad9
AVS		 8049 /* leave request id zero for legacy request
8050 * or if driver does not support multi-scheduled scan
8051 */
8052 if (want_multi && rdev->wiphy.max_sched_scan_reqs > 1) {
8053 while (!sched_scan_req->reqid)
b60ad348 8054 sched_scan_req->reqid = cfg80211_assign_cookie(rdev);
ca986ad9
AVS		 8055 }
8056
31a60ed1 8057 err = rdev_sched_scan_start(rdev, dev, sched_scan_req);
256da02d
LC		 8058 if (err)
8059 goto out_free;
8060
31a60ed1
JR		 8061 sched_scan_req->dev = dev;
8062 sched_scan_req->wiphy = &rdev->wiphy;
8063
93a1e86c
JR		 8064 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
8065 sched_scan_req->owner_nlportid = info->snd_portid;
8066
ca986ad9 8067 cfg80211_add_sched_scan_req(rdev, sched_scan_req);
256da02d 8068
96b08fd6 8069 nl80211_send_sched_scan(sched_scan_req, NL80211_CMD_START_SCHED_SCAN);
256da02d
LC		 8070 return 0;
8071
8072out_free:
31a60ed1 8073 kfree(sched_scan_req);
256da02d 8074out_err:
807f8a8c
LC		 8075 return err;
8076}
8077
8078static int nl80211_stop_sched_scan(struct sk_buff *skb,
8079 struct genl_info *info)
8080{
ca986ad9 8081 struct cfg80211_sched_scan_request *req;
807f8a8c 8082 struct cfg80211_registered_device *rdev = info->user_ptr[0];
ca986ad9 8083 u64 cookie;
807f8a8c 8084
ca986ad9 8085 if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_stop)
807f8a8c
LC		 8086 return -EOPNOTSUPP;
8087
ca986ad9
AVS		 8088 if (info->attrs[NL80211_ATTR_COOKIE]) {
8089 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
8090 return __cfg80211_stop_sched_scan(rdev, cookie, false);
8091 }
8092
8093 req = list_first_or_null_rcu(&rdev->sched_scan_req_list,
8094 struct cfg80211_sched_scan_request,
8095 list);
8096 if (!req || req->reqid ||
8097 (req->owner_nlportid &&
8098 req->owner_nlportid != info->snd_portid))
8099 return -ENOENT;
8100
8101 return cfg80211_stop_sched_scan_req(rdev, req, false);
807f8a8c
LC		 8102}
8103
04f39047
SW		 8104static int nl80211_start_radar_detection(struct sk_buff *skb,
8105 struct genl_info *info)
8106{
8107 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8108 struct net_device *dev = info->user_ptr[1];
8109 struct wireless_dev *wdev = dev->ieee80211_ptr;
13cf6dec 8110 struct wiphy *wiphy = wdev->wiphy;
04f39047 8111 struct cfg80211_chan_def chandef;
55f7435c 8112 enum nl80211_dfs_regions dfs_region;
31559f35 8113 unsigned int cac_time_ms;
04f39047
SW		 8114 int err;
8115
13cf6dec 8116 dfs_region = reg_get_dfs_region(wiphy);
55f7435c
LR		 8117 if (dfs_region == NL80211_DFS_UNSET)
8118 return -EINVAL;
8119
04f39047
SW		 8120 err = nl80211_parse_chandef(rdev, info, &chandef);
8121 if (err)
8122 return err;
8123
ff311bc1
SW		 8124 if (netif_carrier_ok(dev))
8125 return -EBUSY;
8126
04f39047
SW		 8127 if (wdev->cac_started)
8128 return -EBUSY;
8129
13cf6dec 8130 err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype);
04f39047
SW		 8131 if (err < 0)
8132 return err;
8133
8134 if (err == 0)
8135 return -EINVAL;
8136
13cf6dec 8137 if (!cfg80211_chandef_dfs_usable(wiphy, &chandef))
04f39047
SW		 8138 return -EINVAL;
8139
13cf6dec
DL		 8140 /* CAC start is offloaded to HW and can't be started manually */
8141 if (wiphy_ext_feature_isset(wiphy, NL80211_EXT_FEATURE_DFS_OFFLOAD))
8142 return -EOPNOTSUPP;
8143
04f39047
SW		 8144 if (!rdev->ops->start_radar_detection)
8145 return -EOPNOTSUPP;
8146
31559f35
JD		 8147 cac_time_ms = cfg80211_chandef_dfs_cac_time(&rdev->wiphy, &chandef);
8148 if (WARN_ON(!cac_time_ms))
8149 cac_time_ms = IEEE80211_DFS_MIN_CAC_TIME_MS;
8150
a1056b1b 8151 err = rdev_start_radar_detection(rdev, dev, &chandef, cac_time_ms);
04f39047 8152 if (!err) {
9e0e2961 8153 wdev->chandef = chandef;
04f39047
SW		 8154 wdev->cac_started = true;
8155 wdev->cac_start_time = jiffies;
31559f35 8156 wdev->cac_time_ms = cac_time_ms;
04f39047 8157 }
04f39047
SW		 8158 return err;
8159}
8160
30c63115
S		 8161static int nl80211_notify_radar_detection(struct sk_buff *skb,
8162 struct genl_info *info)
8163{
8164 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8165 struct net_device *dev = info->user_ptr[1];
8166 struct wireless_dev *wdev = dev->ieee80211_ptr;
8167 struct wiphy *wiphy = wdev->wiphy;
8168 struct cfg80211_chan_def chandef;
8169 enum nl80211_dfs_regions dfs_region;
8170 int err;
8171
8172 dfs_region = reg_get_dfs_region(wiphy);
8173 if (dfs_region == NL80211_DFS_UNSET) {
8174 GENL_SET_ERR_MSG(info,
8175 "DFS Region is not set. Unexpected Radar indication");
8176 return -EINVAL;
8177 }
8178
8179 err = nl80211_parse_chandef(rdev, info, &chandef);
8180 if (err) {
8181 GENL_SET_ERR_MSG(info, "Unable to extract chandef info");
8182 return err;
8183 }
8184
8185 err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype);
8186 if (err < 0) {
8187 GENL_SET_ERR_MSG(info, "chandef is invalid");
8188 return err;
8189 }
8190
8191 if (err == 0) {
8192 GENL_SET_ERR_MSG(info,
8193 "Unexpected Radar indication for chandef/iftype");
8194 return -EINVAL;
8195 }
8196
8197 /* Do not process this notification if radar is already detected
8198 * by kernel on this channel, and return success.
8199 */
8200 if (chandef.chan->dfs_state == NL80211_DFS_UNAVAILABLE)
8201 return 0;
8202
8203 cfg80211_set_dfs_state(wiphy, &chandef, NL80211_DFS_UNAVAILABLE);
8204
8205 cfg80211_sched_dfs_chan_update(rdev);
8206
a680fe46 8207 rdev->radar_chandef = chandef;
30c63115
S		 8208
8209 /* Propagate this notification to other radios as well */
8210 queue_work(cfg80211_wq, &rdev->propagate_radar_detect_wk);
8211
8212 return 0;
8213}
8214
16ef1fe2
SW		 8215static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info)
8216{
8217 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8218 struct net_device *dev = info->user_ptr[1];
8219 struct wireless_dev *wdev = dev->ieee80211_ptr;
8220 struct cfg80211_csa_settings params;
8221 /* csa_attrs is defined static to avoid waste of stack size - this
8222 * function is called under RTNL lock, so this should not be a problem.
8223 */
8224 static struct nlattr *csa_attrs[NL80211_ATTR_MAX+1];
16ef1fe2 8225 int err;
ee4bc9e7 8226 bool need_new_beacon = false;
8d9de16f 8227 bool need_handle_dfs_flag = true;
9a774c78 8228 int len, i;
252e07ca 8229 u32 cs_count;
16ef1fe2
SW		 8230
8231 if (!rdev->ops->channel_switch ||
8232 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH))
8233 return -EOPNOTSUPP;
8234
ee4bc9e7
SW		 8235 switch (dev->ieee80211_ptr->iftype) {
8236 case NL80211_IFTYPE_AP:
8237 case NL80211_IFTYPE_P2P_GO:
8238 need_new_beacon = true;
8d9de16f
BB		 8239 /* For all modes except AP the handle_dfs flag needs to be
8240 * supplied to tell the kernel that userspace will handle radar
8241 * events when they happen. Otherwise a switch to a channel
8242 * requiring DFS will be rejected.
8243 */
8244 need_handle_dfs_flag = false;
ee4bc9e7
SW		 8245
8246 /* useless if AP is not running */
8247 if (!wdev->beacon_interval)
1ff79dfa 8248 return -ENOTCONN;
ee4bc9e7
SW		 8249 break;
8250 case NL80211_IFTYPE_ADHOC:
1ff79dfa
JB		 8251 if (!wdev->ssid_len)
8252 return -ENOTCONN;
8253 break;
c6da674a 8254 case NL80211_IFTYPE_MESH_POINT:
1ff79dfa
JB		 8255 if (!wdev->mesh_id_len)
8256 return -ENOTCONN;
ee4bc9e7
SW		 8257 break;
8258 default:
16ef1fe2 8259 return -EOPNOTSUPP;
ee4bc9e7 8260 }
16ef1fe2
SW		 8261
8262 memset(&params, 0, sizeof(params));
c177db2d 8263 params.beacon_csa.ftm_responder = -1;
16ef1fe2
SW		 8264
8265 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
8266 !info->attrs[NL80211_ATTR_CH_SWITCH_COUNT])
8267 return -EINVAL;
8268
8269 /* only important for AP, IBSS and mesh create IEs internally */
d0a361a5 8270 if (need_new_beacon && !info->attrs[NL80211_ATTR_CSA_IES])
16ef1fe2
SW		 8271 return -EINVAL;
8272
252e07ca
LC		 8273 /* Even though the attribute is u32, the specification says
8274 * u8, so let's make sure we don't overflow.
8275 */
8276 cs_count = nla_get_u32(info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]);
8277 if (cs_count > 255)
8278 return -EINVAL;
8279
8280 params.count = cs_count;
16ef1fe2 8281
ee4bc9e7
SW		 8282 if (!need_new_beacon)
8283 goto skip_beacons;
8284
81e54d08 8285 err = nl80211_parse_beacon(rdev, info->attrs, &params.beacon_after);
16ef1fe2
SW		 8286 if (err)
8287 return err;
8288
8cb08174
JB		 8289 err = nla_parse_nested_deprecated(csa_attrs, NL80211_ATTR_MAX,
8290 info->attrs[NL80211_ATTR_CSA_IES],
8291 nl80211_policy, info->extack);
16ef1fe2
SW		 8292 if (err)
8293 return err;
8294
81e54d08 8295 err = nl80211_parse_beacon(rdev, csa_attrs, &params.beacon_csa);
16ef1fe2
SW		 8296 if (err)
8297 return err;
8298
8299 if (!csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON])
8300 return -EINVAL;
8301
9a774c78
AO		 8302 len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]);
8303 if (!len || (len % sizeof(u16)))
16ef1fe2
SW		 8304 return -EINVAL;
8305
9a774c78
AO		 8306 params.n_counter_offsets_beacon = len / sizeof(u16);
8307 if (rdev->wiphy.max_num_csa_counters &&
8308 (params.n_counter_offsets_beacon >
8309 rdev->wiphy.max_num_csa_counters))
16ef1fe2
SW		 8310 return -EINVAL;
8311
9a774c78
AO		 8312 params.counter_offsets_beacon =
8313 nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]);
8314
8315 /* sanity checks - counters should fit and be the same */
8316 for (i = 0; i < params.n_counter_offsets_beacon; i++) {
8317 u16 offset = params.counter_offsets_beacon[i];
8318
8319 if (offset >= params.beacon_csa.tail_len)
8320 return -EINVAL;
8321
8322 if (params.beacon_csa.tail[offset] != params.count)
8323 return -EINVAL;
8324 }
8325
16ef1fe2 8326 if (csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]) {
9a774c78
AO		 8327 len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]);
8328 if (!len || (len % sizeof(u16)))
16ef1fe2
SW		 8329 return -EINVAL;
8330
9a774c78
AO		 8331 params.n_counter_offsets_presp = len / sizeof(u16);
8332 if (rdev->wiphy.max_num_csa_counters &&
ad5987b4 8333 (params.n_counter_offsets_presp >
9a774c78 8334 rdev->wiphy.max_num_csa_counters))
16ef1fe2 8335 return -EINVAL;
9a774c78
AO		 8336
8337 params.counter_offsets_presp =
8338 nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]);
8339
8340 /* sanity checks - counters should fit and be the same */
8341 for (i = 0; i < params.n_counter_offsets_presp; i++) {
8342 u16 offset = params.counter_offsets_presp[i];
8343
8344 if (offset >= params.beacon_csa.probe_resp_len)
8345 return -EINVAL;
8346
8347 if (params.beacon_csa.probe_resp[offset] !=
8348 params.count)
8349 return -EINVAL;
8350 }
16ef1fe2
SW		 8351 }
8352
ee4bc9e7 8353skip_beacons:
16ef1fe2
SW		 8354 err = nl80211_parse_chandef(rdev, info, &params.chandef);
8355 if (err)
8356 return err;
8357
923b352f
AN		 8358 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &params.chandef,
8359 wdev->iftype))
16ef1fe2
SW		 8360 return -EINVAL;
8361
2beb6dab
LC		 8362 err = cfg80211_chandef_dfs_required(wdev->wiphy,
8363 &params.chandef,
8364 wdev->iftype);
8365 if (err < 0)
8366 return err;
8367
8d9de16f 8368 if (err > 0) {
2beb6dab 8369 params.radar_required = true;
8d9de16f
BB		 8370 if (need_handle_dfs_flag &&
8371 !nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS])) {
8372 return -EINVAL;
8373 }
8374 }
16ef1fe2 8375
16ef1fe2
SW		 8376 if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX])
8377 params.block_tx = true;
8378
c56589ed
SW		 8379 wdev_lock(wdev);
8380 err = rdev_channel_switch(rdev, dev, &params);
8381 wdev_unlock(wdev);
8382
8383 return err;
16ef1fe2
SW		 8384}
8385
9720bb3a
JB		 8386static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
8387 u32 seq, int flags,
2a519311 8388 struct cfg80211_registered_device *rdev,
48ab905d
JB		 8389 struct wireless_dev *wdev,
8390 struct cfg80211_internal_bss *intbss)
2a519311 8391{
48ab905d 8392 struct cfg80211_bss *res = &intbss->pub;
9caf0364 8393 const struct cfg80211_bss_ies *ies;
2a519311
JB		 8394 void *hdr;
8395 struct nlattr *bss;
48ab905d
JB		 8396
8397 ASSERT_WDEV_LOCK(wdev);
2a519311 8398
15e47304 8399 hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
2a519311
JB		 8400 NL80211_CMD_NEW_SCAN_RESULTS);
8401 if (!hdr)
8402 return -1;
8403
0a833c29 8404 genl_dump_check_consistent(cb, hdr);
9720bb3a 8405
97990a06
JB		 8406 if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation))
8407 goto nla_put_failure;
8408 if (wdev->netdev &&
9360ffd1
DM		 8409 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex))
8410 goto nla_put_failure;
2dad624e
ND		 8411 if (nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
8412 NL80211_ATTR_PAD))
97990a06 8413 goto nla_put_failure;
2a519311 8414
ae0be8de 8415 bss = nla_nest_start_noflag(msg, NL80211_ATTR_BSS);
2a519311
JB		 8416 if (!bss)
8417 goto nla_put_failure;
9360ffd1 8418 if ((!is_zero_ether_addr(res->bssid) &&
9caf0364 8419 nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid)))
9360ffd1 8420 goto nla_put_failure;
9caf0364
JB		 8421
8422 rcu_read_lock();
0e227084
JB		 8423 /* indicate whether we have probe response data or not */
8424 if (rcu_access_pointer(res->proberesp_ies) &&
8425 nla_put_flag(msg, NL80211_BSS_PRESP_DATA))
8426 goto fail_unlock_rcu;
8427
8428 /* this pointer prefers to be pointed to probe response data
8429 * but is always valid
8430 */
9caf0364 8431 ies = rcu_dereference(res->ies);
8cef2c9d 8432 if (ies) {
2dad624e
ND		 8433 if (nla_put_u64_64bit(msg, NL80211_BSS_TSF, ies->tsf,
8434 NL80211_BSS_PAD))
8cef2c9d 8435 goto fail_unlock_rcu;
8cef2c9d
JB		 8436 if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS,
8437 ies->len, ies->data))
8438 goto fail_unlock_rcu;
9caf0364 8439 }
0e227084
JB		 8440
8441 /* and this pointer is always (unless driver didn't know) beacon data */
9caf0364 8442 ies = rcu_dereference(res->beacon_ies);
0e227084 8443 if (ies && ies->from_beacon) {
2dad624e
ND		 8444 if (nla_put_u64_64bit(msg, NL80211_BSS_BEACON_TSF, ies->tsf,
8445 NL80211_BSS_PAD))
8cef2c9d
JB		 8446 goto fail_unlock_rcu;
8447 if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES,
8448 ies->len, ies->data))
8449 goto fail_unlock_rcu;
9caf0364
JB		 8450 }
8451 rcu_read_unlock();
8452
9360ffd1
DM		 8453 if (res->beacon_interval &&
8454 nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval))
8455 goto nla_put_failure;
8456 if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) ||
8457 nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) ||
dcd6eac1 8458 nla_put_u32(msg, NL80211_BSS_CHAN_WIDTH, res->scan_width) ||
9360ffd1
DM		 8459 nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO,
8460 jiffies_to_msecs(jiffies - intbss->ts)))
8461 goto nla_put_failure;
2a519311 8462
1d76250b
AS		 8463 if (intbss->parent_tsf &&
8464 (nla_put_u64_64bit(msg, NL80211_BSS_PARENT_TSF,
8465 intbss->parent_tsf, NL80211_BSS_PAD) ||
8466 nla_put(msg, NL80211_BSS_PARENT_BSSID, ETH_ALEN,
8467 intbss->parent_bssid)))
8468 goto nla_put_failure;
8469
6e19bc4b 8470 if (intbss->ts_boottime &&
2dad624e
ND		 8471 nla_put_u64_64bit(msg, NL80211_BSS_LAST_SEEN_BOOTTIME,
8472 intbss->ts_boottime, NL80211_BSS_PAD))
6e19bc4b
DS		 8473 goto nla_put_failure;
8474
983dafaa
SD		 8475 if (!nl80211_put_signal(msg, intbss->pub.chains,
8476 intbss->pub.chain_signal,
8477 NL80211_BSS_CHAIN_SIGNAL))
8478 goto nla_put_failure;
8479
77965c97 8480 switch (rdev->wiphy.signal_type) {
2a519311 8481 case CFG80211_SIGNAL_TYPE_MBM:
9360ffd1
DM		 8482 if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal))
8483 goto nla_put_failure;
2a519311
JB		 8484 break;
8485 case CFG80211_SIGNAL_TYPE_UNSPEC:
9360ffd1
DM		 8486 if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal))
8487 goto nla_put_failure;
2a519311
JB		 8488 break;
8489 default:
8490 break;
8491 }
8492
48ab905d 8493 switch (wdev->iftype) {
074ac8df 8494 case NL80211_IFTYPE_P2P_CLIENT:
48ab905d 8495 case NL80211_IFTYPE_STATION:
9360ffd1
DM		 8496 if (intbss == wdev->current_bss &&
8497 nla_put_u32(msg, NL80211_BSS_STATUS,
8498 NL80211_BSS_STATUS_ASSOCIATED))
8499 goto nla_put_failure;
48ab905d
JB		 8500 break;
8501 case NL80211_IFTYPE_ADHOC:
9360ffd1
DM		 8502 if (intbss == wdev->current_bss &&
8503 nla_put_u32(msg, NL80211_BSS_STATUS,
8504 NL80211_BSS_STATUS_IBSS_JOINED))
8505 goto nla_put_failure;
48ab905d
JB		 8506 break;
8507 default:
8508 break;
8509 }
8510
2a519311
JB		 8511 nla_nest_end(msg, bss);
8512
053c095a
JB		 8513 genlmsg_end(msg, hdr);
8514 return 0;
2a519311 8515
8cef2c9d
JB		 8516 fail_unlock_rcu:
8517 rcu_read_unlock();
2a519311
JB		 8518 nla_put_failure:
8519 genlmsg_cancel(msg, hdr);
8520 return -EMSGSIZE;
8521}
8522
97990a06 8523static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb)
2a519311 8524{
48ab905d 8525 struct cfg80211_registered_device *rdev;
2a519311 8526 struct cfg80211_internal_bss *scan;
48ab905d 8527 struct wireless_dev *wdev;
97990a06 8528 int start = cb->args[2], idx = 0;
2a519311
JB		 8529 int err;
8530
ea90e0dc 8531 rtnl_lock();
5297c65c 8532 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
ea90e0dc
JB		 8533 if (err) {
8534 rtnl_unlock();
67748893 8535 return err;
ea90e0dc 8536 }
2a519311 8537
48ab905d
JB		 8538 wdev_lock(wdev);
8539 spin_lock_bh(&rdev->bss_lock);
d1e23c94
DK		 8540
8541 /*
8542 * dump_scan will be called multiple times to break up the scan results
8543 * into multiple messages. It is unlikely that any more bss-es will be
8544 * expired after the first call, so only call only call this on the
8545 * first dump_scan invocation.
8546 */
8547 if (start == 0)
8548 cfg80211_bss_expire(rdev);
48ab905d 8549
9720bb3a
JB		 8550 cb->seq = rdev->bss_generation;
8551
48ab905d 8552 list_for_each_entry(scan, &rdev->bss_list, list) {
2a519311
JB		 8553 if (++idx <= start)
8554 continue;
9720bb3a 8555 if (nl80211_send_bss(skb, cb,
2a519311 8556 cb->nlh->nlmsg_seq, NLM_F_MULTI,
48ab905d 8557 rdev, wdev, scan) < 0) {
2a519311 8558 idx--;
67748893 8559 break;
2a519311
JB		 8560 }
8561 }
8562
48ab905d
JB		 8563 spin_unlock_bh(&rdev->bss_lock);
8564 wdev_unlock(wdev);
2a519311 8565
97990a06 8566 cb->args[2] = idx;
ea90e0dc 8567 rtnl_unlock();
2a519311 8568
67748893 8569 return skb->len;
2a519311
JB		 8570}
8571
15e47304 8572static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq,
11f78ac3
JB		 8573 int flags, struct net_device *dev,
8574 bool allow_radio_stats,
8575 struct survey_info *survey)
61fa713c
HS		 8576{
8577 void *hdr;
8578 struct nlattr *infoattr;
8579
11f78ac3
JB		 8580 /* skip radio stats if userspace didn't request them */
8581 if (!survey->channel && !allow_radio_stats)
8582 return 0;
8583
15e47304 8584 hdr = nl80211hdr_put(msg, portid, seq, flags,
61fa713c
HS		 8585 NL80211_CMD_NEW_SURVEY_RESULTS);
8586 if (!hdr)
8587 return -ENOMEM;
8588
9360ffd1
DM		 8589 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
8590 goto nla_put_failure;
61fa713c 8591
ae0be8de 8592 infoattr = nla_nest_start_noflag(msg, NL80211_ATTR_SURVEY_INFO);
61fa713c
HS		 8593 if (!infoattr)
8594 goto nla_put_failure;
8595
11f78ac3
JB		 8596 if (survey->channel &&
8597 nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY,
9360ffd1
DM		 8598 survey->channel->center_freq))
8599 goto nla_put_failure;
8600
8601 if ((survey->filled & SURVEY_INFO_NOISE_DBM) &&
8602 nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise))
8603 goto nla_put_failure;
8604 if ((survey->filled & SURVEY_INFO_IN_USE) &&
8605 nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE))
8606 goto nla_put_failure;
4ed20beb 8607 if ((survey->filled & SURVEY_INFO_TIME) &&
2dad624e
ND		 8608 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME,
8609 survey->time, NL80211_SURVEY_INFO_PAD))
9360ffd1 8610 goto nla_put_failure;
4ed20beb 8611 if ((survey->filled & SURVEY_INFO_TIME_BUSY) &&
2dad624e
ND		 8612 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BUSY,
8613 survey->time_busy, NL80211_SURVEY_INFO_PAD))
9360ffd1 8614 goto nla_put_failure;
4ed20beb 8615 if ((survey->filled & SURVEY_INFO_TIME_EXT_BUSY) &&
2dad624e
ND		 8616 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_EXT_BUSY,
8617 survey->time_ext_busy, NL80211_SURVEY_INFO_PAD))
9360ffd1 8618 goto nla_put_failure;
4ed20beb 8619 if ((survey->filled & SURVEY_INFO_TIME_RX) &&
2dad624e
ND		 8620 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_RX,
8621 survey->time_rx, NL80211_SURVEY_INFO_PAD))
9360ffd1 8622 goto nla_put_failure;
4ed20beb 8623 if ((survey->filled & SURVEY_INFO_TIME_TX) &&
2dad624e
ND		 8624 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_TX,
8625 survey->time_tx, NL80211_SURVEY_INFO_PAD))
9360ffd1 8626 goto nla_put_failure;
052536ab 8627 if ((survey->filled & SURVEY_INFO_TIME_SCAN) &&
2dad624e
ND		 8628 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_SCAN,
8629 survey->time_scan, NL80211_SURVEY_INFO_PAD))
052536ab 8630 goto nla_put_failure;
61fa713c
HS		 8631
8632 nla_nest_end(msg, infoattr);
8633
053c095a
JB		 8634 genlmsg_end(msg, hdr);
8635 return 0;
61fa713c
HS		 8636
8637 nla_put_failure:
8638 genlmsg_cancel(msg, hdr);
8639 return -EMSGSIZE;
8640}
8641
11f78ac3 8642static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb)
61fa713c 8643{
c90c39da 8644 struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam);
61fa713c 8645 struct survey_info survey;
1b8ec87a 8646 struct cfg80211_registered_device *rdev;
97990a06
JB		 8647 struct wireless_dev *wdev;
8648 int survey_idx = cb->args[2];
61fa713c 8649 int res;
11f78ac3 8650 bool radio_stats;
61fa713c 8651
ea90e0dc 8652 rtnl_lock();
5297c65c 8653 res = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
67748893 8654 if (res)
ea90e0dc 8655 goto out_err;
61fa713c 8656
11f78ac3 8657 /* prepare_wdev_dump parsed the attributes */
c90c39da 8658 radio_stats = attrbuf[NL80211_ATTR_SURVEY_RADIO_STATS];
11f78ac3 8659
97990a06
JB		 8660 if (!wdev->netdev) {
8661 res = -EINVAL;
8662 goto out_err;
8663 }
8664
1b8ec87a 8665 if (!rdev->ops->dump_survey) {
61fa713c
HS		 8666 res = -EOPNOTSUPP;
8667 goto out_err;
8668 }
8669
8670 while (1) {
1b8ec87a 8671 res = rdev_dump_survey(rdev, wdev->netdev, survey_idx, &survey);
61fa713c
HS		 8672 if (res == -ENOENT)
8673 break;
8674 if (res)
8675 goto out_err;
8676
11f78ac3
JB		 8677 /* don't send disabled channels, but do send non-channel data */
8678 if (survey.channel &&
8679 survey.channel->flags & IEEE80211_CHAN_DISABLED) {
180cdc79
LR		 8680 survey_idx++;
8681 continue;
8682 }
8683
61fa713c 8684 if (nl80211_send_survey(skb,
15e47304 8685 NETLINK_CB(cb->skb).portid,
61fa713c 8686 cb->nlh->nlmsg_seq, NLM_F_MULTI,
11f78ac3 8687 wdev->netdev, radio_stats, &survey) < 0)
61fa713c
HS		 8688 goto out;
8689 survey_idx++;
8690 }
8691
8692 out:
97990a06 8693 cb->args[2] = survey_idx;
61fa713c
HS		 8694 res = skb->len;
8695 out_err:
ea90e0dc 8696 rtnl_unlock();
61fa713c
HS		 8697 return res;
8698}
8699
b23aa676
SO		 8700static bool nl80211_valid_wpa_versions(u32 wpa_versions)
8701{
8702 return !(wpa_versions & ~(NL80211_WPA_VERSION_1 |
8703 NL80211_WPA_VERSION_2));
8704}
8705
636a5d36
JM		 8706static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
8707{
4c476991
JB		 8708 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8709 struct net_device *dev = info->user_ptr[1];
19957bb3 8710 struct ieee80211_channel *chan;
11b6b5a4
JM		 8711 const u8 *bssid, *ssid, *ie = NULL, *auth_data = NULL;
8712 int err, ssid_len, ie_len = 0, auth_data_len = 0;
19957bb3 8713 enum nl80211_auth_type auth_type;
fffd0934 8714 struct key_parse key;
d5cdfacb 8715 bool local_state_change;
636a5d36 8716
f4a11bb0
JB		 8717 if (!info->attrs[NL80211_ATTR_MAC])
8718 return -EINVAL;
8719
1778092e
JM		 8720 if (!info->attrs[NL80211_ATTR_AUTH_TYPE])
8721 return -EINVAL;
8722
19957bb3
JB		 8723 if (!info->attrs[NL80211_ATTR_SSID])
8724 return -EINVAL;
8725
8726 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
8727 return -EINVAL;
8728
fffd0934
JB		 8729 err = nl80211_parse_key(info, &key);
8730 if (err)
8731 return err;
8732
8733 if (key.idx >= 0) {
e31b8213
JB		 8734 if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP)
8735 return -EINVAL;
fffd0934
JB		 8736 if (!key.p.key || !key.p.key_len)
8737 return -EINVAL;
8738 if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 ||
8739 key.p.key_len != WLAN_KEY_LEN_WEP40) &&
8740 (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 ||
8741 key.p.key_len != WLAN_KEY_LEN_WEP104))
8742 return -EINVAL;
b6b5555b 8743 if (key.idx > 3)
fffd0934
JB		 8744 return -EINVAL;
8745 } else {
8746 key.p.key_len = 0;
8747 key.p.key = NULL;
8748 }
8749
afea0b7a
JB		 8750 if (key.idx >= 0) {
8751 int i;
8752 bool ok = false;
7a087e74 8753
afea0b7a
JB		 8754 for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) {
8755 if (key.p.cipher == rdev->wiphy.cipher_suites[i]) {
8756 ok = true;
8757 break;
8758 }
8759 }
4c476991
JB		 8760 if (!ok)
8761 return -EINVAL;
afea0b7a
JB		 8762 }
8763
4c476991
JB		 8764 if (!rdev->ops->auth)
8765 return -EOPNOTSUPP;
636a5d36 8766
074ac8df 8767 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 8768 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
8769 return -EOPNOTSUPP;
eec60b03 8770
19957bb3 8771 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
664834de
JM		 8772 chan = nl80211_get_valid_chan(&rdev->wiphy,
8773 info->attrs[NL80211_ATTR_WIPHY_FREQ]);
8774 if (!chan)
4c476991 8775 return -EINVAL;
636a5d36 8776
19957bb3
JB		 8777 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
8778 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
636a5d36
JM		 8779
8780 if (info->attrs[NL80211_ATTR_IE]) {
19957bb3
JB		 8781 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
8782 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
636a5d36
JM		 8783 }
8784
19957bb3 8785 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
e39e5b5e 8786 if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE))
4c476991 8787 return -EINVAL;
636a5d36 8788
63181060
JM		 8789 if ((auth_type == NL80211_AUTHTYPE_SAE ||
8790 auth_type == NL80211_AUTHTYPE_FILS_SK ||
8791 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
8792 auth_type == NL80211_AUTHTYPE_FILS_PK) &&
11b6b5a4 8793 !info->attrs[NL80211_ATTR_AUTH_DATA])
e39e5b5e
JM		 8794 return -EINVAL;
8795
11b6b5a4 8796 if (info->attrs[NL80211_ATTR_AUTH_DATA]) {
63181060
JM		 8797 if (auth_type != NL80211_AUTHTYPE_SAE &&
8798 auth_type != NL80211_AUTHTYPE_FILS_SK &&
8799 auth_type != NL80211_AUTHTYPE_FILS_SK_PFS &&
8800 auth_type != NL80211_AUTHTYPE_FILS_PK)
e39e5b5e 8801 return -EINVAL;
11b6b5a4
JM		 8802 auth_data = nla_data(info->attrs[NL80211_ATTR_AUTH_DATA]);
8803 auth_data_len = nla_len(info->attrs[NL80211_ATTR_AUTH_DATA]);
e39e5b5e 8804 /* need to include at least Auth Transaction and Status Code */
11b6b5a4 8805 if (auth_data_len < 4)
e39e5b5e
JM		 8806 return -EINVAL;
8807 }
8808
d5cdfacb
JM		 8809 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
8810
95de817b
JB		 8811 /*
8812 * Since we no longer track auth state, ignore
8813 * requests to only change local state.
8814 */
8815 if (local_state_change)
8816 return 0;
8817
91bf9b26
JB		 8818 wdev_lock(dev->ieee80211_ptr);
8819 err = cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid,
8820 ssid, ssid_len, ie, ie_len,
8821 key.p.key, key.p.key_len, key.idx,
11b6b5a4 8822 auth_data, auth_data_len);
91bf9b26
JB		 8823 wdev_unlock(dev->ieee80211_ptr);
8824 return err;
636a5d36
JM		 8825}
8826
64bf3d4b
DK		 8827static int validate_pae_over_nl80211(struct cfg80211_registered_device *rdev,
8828 struct genl_info *info)
8829{
8830 if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
8831 GENL_SET_ERR_MSG(info, "SOCKET_OWNER not set");
8832 return -EINVAL;
8833 }
8834
8835 if (!rdev->ops->tx_control_port ||
8836 !wiphy_ext_feature_isset(&rdev->wiphy,
8837 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
8838 return -EOPNOTSUPP;
8839
8840 return 0;
8841}
8842
c0692b8f
JB		 8843static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
8844 struct genl_info *info,
3dc27d25
JB		 8845 struct cfg80211_crypto_settings *settings,
8846 int cipher_limit)
b23aa676 8847{
c0b2bbd8
JB		 8848 memset(settings, 0, sizeof(*settings));
8849
b23aa676
SO		 8850 settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT];
8851
c0692b8f
JB		 8852 if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
8853 u16 proto;
7a087e74 8854
c0692b8f
JB		 8855 proto = nla_get_u16(
8856 info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
8857 settings->control_port_ethertype = cpu_to_be16(proto);
8858 if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
8859 proto != ETH_P_PAE)
8860 return -EINVAL;
8861 if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT])
8862 settings->control_port_no_encrypt = true;
8863 } else
8864 settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE);
8865
64bf3d4b
DK		 8866 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
8867 int r = validate_pae_over_nl80211(rdev, info);
8868
8869 if (r < 0)
8870 return r;
8871
8872 settings->control_port_over_nl80211 = true;
8873 }
8874
b23aa676
SO		 8875 if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) {
8876 void *data;
8877 int len, i;
8878
8879 data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
8880 len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
8881 settings->n_ciphers_pairwise = len / sizeof(u32);
8882
8883 if (len % sizeof(u32))
8884 return -EINVAL;
8885
3dc27d25 8886 if (settings->n_ciphers_pairwise > cipher_limit)
b23aa676
SO		 8887 return -EINVAL;
8888
8889 memcpy(settings->ciphers_pairwise, data, len);
8890
8891 for (i = 0; i < settings->n_ciphers_pairwise; i++)
38ba3c57
JM		 8892 if (!cfg80211_supported_cipher_suite(
8893 &rdev->wiphy,
b23aa676
SO		 8894 settings->ciphers_pairwise[i]))
8895 return -EINVAL;
8896 }
8897
8898 if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) {
8899 settings->cipher_group =
8900 nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]);
38ba3c57
JM		 8901 if (!cfg80211_supported_cipher_suite(&rdev->wiphy,
8902 settings->cipher_group))
b23aa676
SO		 8903 return -EINVAL;
8904 }
8905
8906 if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) {
8907 settings->wpa_versions =
8908 nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]);
8909 if (!nl80211_valid_wpa_versions(settings->wpa_versions))
8910 return -EINVAL;
8911 }
8912
8913 if (info->attrs[NL80211_ATTR_AKM_SUITES]) {
8914 void *data;
6d30240e 8915 int len;
b23aa676
SO		 8916
8917 data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]);
8918 len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]);
8919 settings->n_akm_suites = len / sizeof(u32);
8920
8921 if (len % sizeof(u32))
8922 return -EINVAL;
8923
1b9ca027
JM		 8924 if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES)
8925 return -EINVAL;
8926
b23aa676 8927 memcpy(settings->akm_suites, data, len);
b23aa676
SO		 8928 }
8929
91b5ab62
EP		 8930 if (info->attrs[NL80211_ATTR_PMK]) {
8931 if (nla_len(info->attrs[NL80211_ATTR_PMK]) != WLAN_PMK_LEN)
8932 return -EINVAL;
8933 if (!wiphy_ext_feature_isset(&rdev->wiphy,
8934 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_PSK))
8935 return -EINVAL;
8936 settings->psk = nla_data(info->attrs[NL80211_ATTR_PMK]);
8937 }
8938
b23aa676
SO		 8939 return 0;
8940}
8941
636a5d36
JM		 8942static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
8943{
4c476991
JB		 8944 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8945 struct net_device *dev = info->user_ptr[1];
f444de05 8946 struct ieee80211_channel *chan;
f62fab73
JB		 8947 struct cfg80211_assoc_request req = {};
8948 const u8 *bssid, *ssid;
8949 int err, ssid_len = 0;
636a5d36 8950
bad29297
AZ		 8951 if (dev->ieee80211_ptr->conn_owner_nlportid &&
8952 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
8953 return -EPERM;
8954
f4a11bb0 8955 if (!info->attrs[NL80211_ATTR_MAC] ||
19957bb3
JB		 8956 !info->attrs[NL80211_ATTR_SSID] ||
8957 !info->attrs[NL80211_ATTR_WIPHY_FREQ])
f4a11bb0
JB		 8958 return -EINVAL;
8959
4c476991
JB		 8960 if (!rdev->ops->assoc)
8961 return -EOPNOTSUPP;
636a5d36 8962
074ac8df 8963 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 8964 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
8965 return -EOPNOTSUPP;
eec60b03 8966
19957bb3 8967 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
636a5d36 8968
664834de
JM		 8969 chan = nl80211_get_valid_chan(&rdev->wiphy,
8970 info->attrs[NL80211_ATTR_WIPHY_FREQ]);
8971 if (!chan)
4c476991 8972 return -EINVAL;
636a5d36 8973
19957bb3
JB		 8974 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
8975 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
636a5d36
JM		 8976
8977 if (info->attrs[NL80211_ATTR_IE]) {
f62fab73
JB		 8978 req.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
8979 req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
636a5d36
JM		 8980 }
8981
dc6382ce 8982 if (info->attrs[NL80211_ATTR_USE_MFP]) {
4f5dadce 8983 enum nl80211_mfp mfp =
dc6382ce 8984 nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
4f5dadce 8985 if (mfp == NL80211_MFP_REQUIRED)
f62fab73 8986 req.use_mfp = true;
4c476991
JB		 8987 else if (mfp != NL80211_MFP_NO)
8988 return -EINVAL;
dc6382ce
JM		 8989 }
8990
3e5d7649 8991 if (info->attrs[NL80211_ATTR_PREV_BSSID])
f62fab73 8992 req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
3e5d7649 8993
7e7c8926 8994 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
f62fab73 8995 req.flags |= ASSOC_REQ_DISABLE_HT;
7e7c8926
BG		 8996
8997 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
f62fab73
JB		 8998 memcpy(&req.ht_capa_mask,
8999 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
9000 sizeof(req.ht_capa_mask));
7e7c8926
BG		 9001
9002 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
f62fab73 9003 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
7e7c8926 9004 return -EINVAL;
f62fab73
JB		 9005 memcpy(&req.ht_capa,
9006 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
9007 sizeof(req.ht_capa));
7e7c8926
BG		 9008 }
9009
ee2aca34 9010 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
f62fab73 9011 req.flags |= ASSOC_REQ_DISABLE_VHT;
ee2aca34
JB		 9012
9013 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
f62fab73
JB		 9014 memcpy(&req.vht_capa_mask,
9015 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
9016 sizeof(req.vht_capa_mask));
ee2aca34
JB		 9017
9018 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
f62fab73 9019 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
ee2aca34 9020 return -EINVAL;
f62fab73
JB		 9021 memcpy(&req.vht_capa,
9022 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
9023 sizeof(req.vht_capa));
ee2aca34
JB		 9024 }
9025
bab5ab7d 9026 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
0c9ca11b
BL		 9027 if (!((rdev->wiphy.features &
9028 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
9029 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
9030 !wiphy_ext_feature_isset(&rdev->wiphy,
9031 NL80211_EXT_FEATURE_RRM))
bab5ab7d
AK		 9032 return -EINVAL;
9033 req.flags |= ASSOC_REQ_USE_RRM;
9034 }
9035
348bd456
JM		 9036 if (info->attrs[NL80211_ATTR_FILS_KEK]) {
9037 req.fils_kek = nla_data(info->attrs[NL80211_ATTR_FILS_KEK]);
9038 req.fils_kek_len = nla_len(info->attrs[NL80211_ATTR_FILS_KEK]);
9039 if (!info->attrs[NL80211_ATTR_FILS_NONCES])
9040 return -EINVAL;
9041 req.fils_nonces =
9042 nla_data(info->attrs[NL80211_ATTR_FILS_NONCES]);
9043 }
9044
f62fab73 9045 err = nl80211_crypto_settings(rdev, info, &req.crypto, 1);
91bf9b26
JB		 9046 if (!err) {
9047 wdev_lock(dev->ieee80211_ptr);
bd2522b1 9048
f62fab73
JB		 9049 err = cfg80211_mlme_assoc(rdev, dev, chan, bssid,
9050 ssid, ssid_len, &req);
bd2522b1
AZ		 9051
9052 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
9053 dev->ieee80211_ptr->conn_owner_nlportid =
9054 info->snd_portid;
9055 memcpy(dev->ieee80211_ptr->disconnect_bssid,
9056 bssid, ETH_ALEN);
9057 }
9058
91bf9b26
JB		 9059 wdev_unlock(dev->ieee80211_ptr);
9060 }
636a5d36 9061
636a5d36
JM		 9062 return err;
9063}
9064
9065static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
9066{
4c476991
JB		 9067 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9068 struct net_device *dev = info->user_ptr[1];
19957bb3 9069 const u8 *ie = NULL, *bssid;
91bf9b26 9070 int ie_len = 0, err;
19957bb3 9071 u16 reason_code;
d5cdfacb 9072 bool local_state_change;
636a5d36 9073
bad29297
AZ		 9074 if (dev->ieee80211_ptr->conn_owner_nlportid &&
9075 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
9076 return -EPERM;
9077
f4a11bb0
JB		 9078 if (!info->attrs[NL80211_ATTR_MAC])
9079 return -EINVAL;
9080
9081 if (!info->attrs[NL80211_ATTR_REASON_CODE])
9082 return -EINVAL;
9083
4c476991
JB		 9084 if (!rdev->ops->deauth)
9085 return -EOPNOTSUPP;
636a5d36 9086
074ac8df 9087 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 9088 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9089 return -EOPNOTSUPP;
eec60b03 9090
19957bb3 9091 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
636a5d36 9092
19957bb3
JB		 9093 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
9094 if (reason_code == 0) {
f4a11bb0 9095 /* Reason Code 0 is reserved */
4c476991 9096 return -EINVAL;
255e737e 9097 }
636a5d36
JM		 9098
9099 if (info->attrs[NL80211_ATTR_IE]) {
19957bb3
JB		 9100 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9101 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
636a5d36
JM		 9102 }
9103
d5cdfacb
JM		 9104 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
9105
91bf9b26
JB		 9106 wdev_lock(dev->ieee80211_ptr);
9107 err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code,
9108 local_state_change);
9109 wdev_unlock(dev->ieee80211_ptr);
9110 return err;
636a5d36
JM		 9111}
9112
9113static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
9114{
4c476991
JB		 9115 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9116 struct net_device *dev = info->user_ptr[1];
19957bb3 9117 const u8 *ie = NULL, *bssid;
91bf9b26 9118 int ie_len = 0, err;
19957bb3 9119 u16 reason_code;
d5cdfacb 9120 bool local_state_change;
636a5d36 9121
bad29297
AZ		 9122 if (dev->ieee80211_ptr->conn_owner_nlportid &&
9123 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
9124 return -EPERM;
9125
f4a11bb0
JB		 9126 if (!info->attrs[NL80211_ATTR_MAC])
9127 return -EINVAL;
9128
9129 if (!info->attrs[NL80211_ATTR_REASON_CODE])
9130 return -EINVAL;
9131
4c476991
JB		 9132 if (!rdev->ops->disassoc)
9133 return -EOPNOTSUPP;
636a5d36 9134
074ac8df 9135 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 9136 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9137 return -EOPNOTSUPP;
eec60b03 9138
19957bb3 9139 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
636a5d36 9140
19957bb3
JB		 9141 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
9142 if (reason_code == 0) {
f4a11bb0 9143 /* Reason Code 0 is reserved */
4c476991 9144 return -EINVAL;
255e737e 9145 }
636a5d36
JM		 9146
9147 if (info->attrs[NL80211_ATTR_IE]) {
19957bb3
JB		 9148 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9149 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
636a5d36
JM		 9150 }
9151
d5cdfacb
JM		 9152 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
9153
91bf9b26
JB		 9154 wdev_lock(dev->ieee80211_ptr);
9155 err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code,
9156 local_state_change);
9157 wdev_unlock(dev->ieee80211_ptr);
9158 return err;
636a5d36
JM		 9159}
9160
dd5b4cc7
FF		 9161static bool
9162nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev,
57fbcce3 9163 int mcast_rate[NUM_NL80211_BANDS],
dd5b4cc7
FF		 9164 int rateval)
9165{
9166 struct wiphy *wiphy = &rdev->wiphy;
9167 bool found = false;
9168 int band, i;
9169
57fbcce3 9170 for (band = 0; band < NUM_NL80211_BANDS; band++) {
dd5b4cc7
FF		 9171 struct ieee80211_supported_band *sband;
9172
9173 sband = wiphy->bands[band];
9174 if (!sband)
9175 continue;
9176
9177 for (i = 0; i < sband->n_bitrates; i++) {
9178 if (sband->bitrates[i].bitrate == rateval) {
9179 mcast_rate[band] = i + 1;
9180 found = true;
9181 break;
9182 }
9183 }
9184 }
9185
9186 return found;
9187}
9188
04a773ad
JB		 9189static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
9190{
4c476991
JB		 9191 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9192 struct net_device *dev = info->user_ptr[1];
04a773ad
JB		 9193 struct cfg80211_ibss_params ibss;
9194 struct wiphy *wiphy;
fffd0934 9195 struct cfg80211_cached_keys *connkeys = NULL;
04a773ad
JB		 9196 int err;
9197
8e30bc55
JB		 9198 memset(&ibss, 0, sizeof(ibss));
9199
683b6d3b 9200 if (!info->attrs[NL80211_ATTR_SSID] ||
04a773ad
JB		 9201 !nla_len(info->attrs[NL80211_ATTR_SSID]))
9202 return -EINVAL;
9203
8e30bc55
JB		 9204 ibss.beacon_interval = 100;
9205
12d20fc9 9206 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL])
8e30bc55
JB		 9207 ibss.beacon_interval =
9208 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
12d20fc9 9209
0c317a02
PK		 9210 err = cfg80211_validate_beacon_int(rdev, NL80211_IFTYPE_ADHOC,
9211 ibss.beacon_interval);
12d20fc9
PK		 9212 if (err)
9213 return err;
8e30bc55 9214
4c476991
JB		 9215 if (!rdev->ops->join_ibss)
9216 return -EOPNOTSUPP;
04a773ad 9217
4c476991
JB		 9218 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
9219 return -EOPNOTSUPP;
04a773ad 9220
79c97e97 9221 wiphy = &rdev->wiphy;
04a773ad 9222
39193498 9223 if (info->attrs[NL80211_ATTR_MAC]) {
04a773ad 9224 ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
39193498
JB		 9225
9226 if (!is_valid_ether_addr(ibss.bssid))
9227 return -EINVAL;
9228 }
04a773ad
JB		 9229 ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
9230 ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
9231
9232 if (info->attrs[NL80211_ATTR_IE]) {
9233 ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9234 ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9235 }
9236
683b6d3b
JB		 9237 err = nl80211_parse_chandef(rdev, info, &ibss.chandef);
9238 if (err)
9239 return err;
04a773ad 9240
174e0cd2
IP		 9241 if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef,
9242 NL80211_IFTYPE_ADHOC))
54858ee5
AS		 9243 return -EINVAL;
9244
2f301ab2 9245 switch (ibss.chandef.width) {
bf372645
SW		 9246 case NL80211_CHAN_WIDTH_5:
9247 case NL80211_CHAN_WIDTH_10:
2f301ab2
SW		 9248 case NL80211_CHAN_WIDTH_20_NOHT:
9249 break;
9250 case NL80211_CHAN_WIDTH_20:
9251 case NL80211_CHAN_WIDTH_40:
ffc11991
JD		 9252 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
9253 return -EINVAL;
9254 break;
9255 case NL80211_CHAN_WIDTH_80:
9256 case NL80211_CHAN_WIDTH_80P80:
9257 case NL80211_CHAN_WIDTH_160:
9258 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
9259 return -EINVAL;
9260 if (!wiphy_ext_feature_isset(&rdev->wiphy,
9261 NL80211_EXT_FEATURE_VHT_IBSS))
9262 return -EINVAL;
9263 break;
2f301ab2 9264 default:
c04d6150 9265 return -EINVAL;
2f301ab2 9266 }
db9c64cf 9267
04a773ad 9268 ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED];
fffd0934
JB		 9269 ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
9270
fbd2c8dc
TP		 9271 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
9272 u8 *rates =
9273 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
9274 int n_rates =
9275 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
9276 struct ieee80211_supported_band *sband =
683b6d3b 9277 wiphy->bands[ibss.chandef.chan->band];
fbd2c8dc 9278
34850ab2
JB		 9279 err = ieee80211_get_ratemask(sband, rates, n_rates,
9280 &ibss.basic_rates);
9281 if (err)
9282 return err;
fbd2c8dc 9283 }
dd5b4cc7 9284
803768f5
SW		 9285 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
9286 memcpy(&ibss.ht_capa_mask,
9287 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
9288 sizeof(ibss.ht_capa_mask));
9289
9290 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
9291 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
9292 return -EINVAL;
9293 memcpy(&ibss.ht_capa,
9294 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
9295 sizeof(ibss.ht_capa));
9296 }
9297
dd5b4cc7
FF		 9298 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
9299 !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate,
9300 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
9301 return -EINVAL;
fbd2c8dc 9302
4c476991 9303 if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) {
de7044ee
SM		 9304 bool no_ht = false;
9305
768075eb 9306 connkeys = nl80211_parse_connkeys(rdev, info, &no_ht);
4c476991
JB		 9307 if (IS_ERR(connkeys))
9308 return PTR_ERR(connkeys);
de7044ee 9309
3d9d1d66
JB		 9310 if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) &&
9311 no_ht) {
5e950a78 9312 kzfree(connkeys);
de7044ee
SM		 9313 return -EINVAL;
9314 }
4c476991 9315 }
04a773ad 9316
267335d6
AQ		 9317 ibss.control_port =
9318 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]);
9319
c3bfe1f6
DK		 9320 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
9321 int r = validate_pae_over_nl80211(rdev, info);
9322
d350a0f4
JB		 9323 if (r < 0) {
9324 kzfree(connkeys);
c3bfe1f6 9325 return r;
d350a0f4 9326 }
c3bfe1f6
DK		 9327
9328 ibss.control_port_over_nl80211 = true;
9329 }
9330
5336fa88
SW		 9331 ibss.userspace_handles_dfs =
9332 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
9333
f8d16d3e
DK		 9334 wdev_lock(dev->ieee80211_ptr);
9335 err = __cfg80211_join_ibss(rdev, dev, &ibss, connkeys);
fffd0934 9336 if (err)
b47f610b 9337 kzfree(connkeys);
f8d16d3e
DK		 9338 else if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
9339 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
9340 wdev_unlock(dev->ieee80211_ptr);
9341
04a773ad
JB		 9342 return err;
9343}
9344
9345static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info)
9346{
4c476991
JB		 9347 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9348 struct net_device *dev = info->user_ptr[1];
04a773ad 9349
4c476991
JB		 9350 if (!rdev->ops->leave_ibss)
9351 return -EOPNOTSUPP;
04a773ad 9352
4c476991
JB		 9353 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
9354 return -EOPNOTSUPP;
04a773ad 9355
4c476991 9356 return cfg80211_leave_ibss(rdev, dev, false);
04a773ad
JB		 9357}
9358
f4e583c8
AQ		 9359static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info)
9360{
9361 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9362 struct net_device *dev = info->user_ptr[1];
57fbcce3 9363 int mcast_rate[NUM_NL80211_BANDS];
f4e583c8
AQ		 9364 u32 nla_rate;
9365 int err;
9366
9367 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
876dc930
BVB		 9368 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
9369 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB)
f4e583c8
AQ		 9370 return -EOPNOTSUPP;
9371
9372 if (!rdev->ops->set_mcast_rate)
9373 return -EOPNOTSUPP;
9374
9375 memset(mcast_rate, 0, sizeof(mcast_rate));
9376
9377 if (!info->attrs[NL80211_ATTR_MCAST_RATE])
9378 return -EINVAL;
9379
9380 nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]);
9381 if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate))
9382 return -EINVAL;
9383
a1056b1b 9384 err = rdev_set_mcast_rate(rdev, dev, mcast_rate);
f4e583c8
AQ		 9385
9386 return err;
9387}
9388
ad7e718c
JB		 9389static struct sk_buff *
9390__cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev,
6c09e791
AK		 9391 struct wireless_dev *wdev, int approxlen,
9392 u32 portid, u32 seq, enum nl80211_commands cmd,
567ffc35
JB		 9393 enum nl80211_attrs attr,
9394 const struct nl80211_vendor_cmd_info *info,
9395 gfp_t gfp)
ad7e718c
JB		 9396{
9397 struct sk_buff *skb;
9398 void *hdr;
9399 struct nlattr *data;
9400
9401 skb = nlmsg_new(approxlen + 100, gfp);
9402 if (!skb)
9403 return NULL;
9404
9405 hdr = nl80211hdr_put(skb, portid, seq, 0, cmd);
9406 if (!hdr) {
9407 kfree_skb(skb);
9408 return NULL;
9409 }
9410
9411 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
9412 goto nla_put_failure;
567ffc35
JB		 9413
9414 if (info) {
9415 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_ID,
9416 info->vendor_id))
9417 goto nla_put_failure;
9418 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_SUBCMD,
9419 info->subcmd))
9420 goto nla_put_failure;
9421 }
9422
6c09e791 9423 if (wdev) {
2dad624e
ND		 9424 if (nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
9425 wdev_id(wdev), NL80211_ATTR_PAD))
6c09e791
AK		 9426 goto nla_put_failure;
9427 if (wdev->netdev &&
9428 nla_put_u32(skb, NL80211_ATTR_IFINDEX,
9429 wdev->netdev->ifindex))
9430 goto nla_put_failure;
9431 }
9432
ae0be8de 9433 data = nla_nest_start_noflag(skb, attr);
76e1fb4b
JB		 9434 if (!data)
9435 goto nla_put_failure;
ad7e718c
JB		 9436
9437 ((void **)skb->cb)[0] = rdev;
9438 ((void **)skb->cb)[1] = hdr;
9439 ((void **)skb->cb)[2] = data;
9440
9441 return skb;
9442
9443 nla_put_failure:
9444 kfree_skb(skb);
9445 return NULL;
9446}
f4e583c8 9447
e03ad6ea 9448struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy,
6c09e791 9449 struct wireless_dev *wdev,
e03ad6ea
JB		 9450 enum nl80211_commands cmd,
9451 enum nl80211_attrs attr,
55c1fdf0 9452 unsigned int portid,
e03ad6ea
JB		 9453 int vendor_event_idx,
9454 int approxlen, gfp_t gfp)
9455{
f26cbf40 9456 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
e03ad6ea
JB		 9457 const struct nl80211_vendor_cmd_info *info;
9458
9459 switch (cmd) {
9460 case NL80211_CMD_TESTMODE:
9461 if (WARN_ON(vendor_event_idx != -1))
9462 return NULL;
9463 info = NULL;
9464 break;
9465 case NL80211_CMD_VENDOR:
9466 if (WARN_ON(vendor_event_idx < 0 ||
9467 vendor_event_idx >= wiphy->n_vendor_events))
9468 return NULL;
9469 info = &wiphy->vendor_events[vendor_event_idx];
9470 break;
9471 default:
9472 WARN_ON(1);
9473 return NULL;
9474 }
9475
55c1fdf0 9476 return __cfg80211_alloc_vendor_skb(rdev, wdev, approxlen, portid, 0,
e03ad6ea
JB		 9477 cmd, attr, info, gfp);
9478}
9479EXPORT_SYMBOL(__cfg80211_alloc_event_skb);
9480
9481void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp)
9482{
9483 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
9484 void *hdr = ((void **)skb->cb)[1];
55c1fdf0 9485 struct nlmsghdr *nlhdr = nlmsg_hdr(skb);
e03ad6ea
JB		 9486 struct nlattr *data = ((void **)skb->cb)[2];
9487 enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE;
9488
bd8c78e7
JB		 9489 /* clear CB data for netlink core to own from now on */
9490 memset(skb->cb, 0, sizeof(skb->cb));
9491
e03ad6ea
JB		 9492 nla_nest_end(skb, data);
9493 genlmsg_end(skb, hdr);
9494
55c1fdf0
JB		 9495 if (nlhdr->nlmsg_pid) {
9496 genlmsg_unicast(wiphy_net(&rdev->wiphy), skb,
9497 nlhdr->nlmsg_pid);
9498 } else {
9499 if (data->nla_type == NL80211_ATTR_VENDOR_DATA)
9500 mcgrp = NL80211_MCGRP_VENDOR;
e03ad6ea 9501
55c1fdf0
JB		 9502 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
9503 skb, 0, mcgrp, gfp);
9504 }
e03ad6ea
JB		 9505}
9506EXPORT_SYMBOL(__cfg80211_send_event_skb);
9507
aff89a9b 9508#ifdef CONFIG_NL80211_TESTMODE
aff89a9b
JB		 9509static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info)
9510{
4c476991 9511 struct cfg80211_registered_device *rdev = info->user_ptr[0];
fc73f11f
DS		 9512 struct wireless_dev *wdev =
9513 __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs);
aff89a9b
JB		 9514 int err;
9515
fc73f11f
DS		 9516 if (!rdev->ops->testmode_cmd)
9517 return -EOPNOTSUPP;
9518
9519 if (IS_ERR(wdev)) {
9520 err = PTR_ERR(wdev);
9521 if (err != -EINVAL)
9522 return err;
9523 wdev = NULL;
9524 } else if (wdev->wiphy != &rdev->wiphy) {
9525 return -EINVAL;
9526 }
9527
aff89a9b
JB		 9528 if (!info->attrs[NL80211_ATTR_TESTDATA])
9529 return -EINVAL;
9530
ad7e718c 9531 rdev->cur_cmd_info = info;
fc73f11f 9532 err = rdev_testmode_cmd(rdev, wdev,
aff89a9b
JB		 9533 nla_data(info->attrs[NL80211_ATTR_TESTDATA]),
9534 nla_len(info->attrs[NL80211_ATTR_TESTDATA]));
ad7e718c 9535 rdev->cur_cmd_info = NULL;
aff89a9b 9536
aff89a9b
JB		 9537 return err;
9538}
9539
71063f0e
WYG		 9540static int nl80211_testmode_dump(struct sk_buff *skb,
9541 struct netlink_callback *cb)
9542{
00918d33 9543 struct cfg80211_registered_device *rdev;
71063f0e
WYG		 9544 int err;
9545 long phy_idx;
9546 void *data = NULL;
9547 int data_len = 0;
9548
5fe231e8
JB		 9549 rtnl_lock();
9550
71063f0e
WYG		 9551 if (cb->args[0]) {
9552 /*
9553 * 0 is a valid index, but not valid for args[0],
9554 * so we need to offset by 1.
9555 */
9556 phy_idx = cb->args[0] - 1;
a4956dca
LC		 9557
9558 rdev = cfg80211_rdev_by_wiphy_idx(phy_idx);
9559 if (!rdev) {
9560 err = -ENOENT;
9561 goto out_err;
9562 }
71063f0e 9563 } else {
c90c39da
JB		 9564 struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam);
9565
8cb08174
JB		 9566 err = nlmsg_parse_deprecated(cb->nlh,
9567 GENL_HDRLEN + nl80211_fam.hdrsize,
9568 attrbuf, nl80211_fam.maxattr,
9569 nl80211_policy, NULL);
71063f0e 9570 if (err)
5fe231e8 9571 goto out_err;
00918d33 9572
c90c39da 9573 rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
2bd7e35d 9574 if (IS_ERR(rdev)) {
5fe231e8
JB		 9575 err = PTR_ERR(rdev);
9576 goto out_err;
00918d33 9577 }
2bd7e35d 9578 phy_idx = rdev->wiphy_idx;
2bd7e35d 9579
c90c39da
JB		 9580 if (attrbuf[NL80211_ATTR_TESTDATA])
9581 cb->args[1] = (long)attrbuf[NL80211_ATTR_TESTDATA];
71063f0e
WYG		 9582 }
9583
9584 if (cb->args[1]) {
9585 data = nla_data((void *)cb->args[1]);
9586 data_len = nla_len((void *)cb->args[1]);
9587 }
9588
00918d33 9589 if (!rdev->ops->testmode_dump) {
71063f0e
WYG		 9590 err = -EOPNOTSUPP;
9591 goto out_err;
9592 }
9593
9594 while (1) {
15e47304 9595 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
71063f0e
WYG		 9596 cb->nlh->nlmsg_seq, NLM_F_MULTI,
9597 NL80211_CMD_TESTMODE);
9598 struct nlattr *tmdata;
9599
cb35fba3
DC		 9600 if (!hdr)
9601 break;
9602
9360ffd1 9603 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) {
71063f0e
WYG		 9604 genlmsg_cancel(skb, hdr);
9605 break;
9606 }
9607
ae0be8de 9608 tmdata = nla_nest_start_noflag(skb, NL80211_ATTR_TESTDATA);
71063f0e
WYG		 9609 if (!tmdata) {
9610 genlmsg_cancel(skb, hdr);
9611 break;
9612 }
e35e4d28 9613 err = rdev_testmode_dump(rdev, skb, cb, data, data_len);
71063f0e
WYG		 9614 nla_nest_end(skb, tmdata);
9615
9616 if (err == -ENOBUFS || err == -ENOENT) {
9617 genlmsg_cancel(skb, hdr);
9618 break;
9619 } else if (err) {
9620 genlmsg_cancel(skb, hdr);
9621 goto out_err;
9622 }
9623
9624 genlmsg_end(skb, hdr);
9625 }
9626
9627 err = skb->len;
9628 /* see above */
9629 cb->args[0] = phy_idx + 1;
9630 out_err:
5fe231e8 9631 rtnl_unlock();
71063f0e
WYG		 9632 return err;
9633}
aff89a9b
JB		 9634#endif
9635
b23aa676
SO		 9636static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
9637{
4c476991
JB		 9638 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9639 struct net_device *dev = info->user_ptr[1];
b23aa676
SO		 9640 struct cfg80211_connect_params connect;
9641 struct wiphy *wiphy;
fffd0934 9642 struct cfg80211_cached_keys *connkeys = NULL;
b23aa676
SO		 9643 int err;
9644
9645 memset(&connect, 0, sizeof(connect));
9646
b23aa676
SO		 9647 if (!info->attrs[NL80211_ATTR_SSID] ||
9648 !nla_len(info->attrs[NL80211_ATTR_SSID]))
9649 return -EINVAL;
9650
9651 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
9652 connect.auth_type =
9653 nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
e39e5b5e
JM		 9654 if (!nl80211_valid_auth_type(rdev, connect.auth_type,
9655 NL80211_CMD_CONNECT))
b23aa676
SO		 9656 return -EINVAL;
9657 } else
9658 connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
9659
9660 connect.privacy = info->attrs[NL80211_ATTR_PRIVACY];
9661
3a00df57
AS		 9662 if (info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS] &&
9663 !wiphy_ext_feature_isset(&rdev->wiphy,
9664 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
9665 return -EINVAL;
9666 connect.want_1x = info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS];
9667
c0692b8f 9668 err = nl80211_crypto_settings(rdev, info, &connect.crypto,
3dc27d25 9669 NL80211_MAX_NR_CIPHER_SUITES);
b23aa676
SO		 9670 if (err)
9671 return err;
b23aa676 9672
074ac8df 9673 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 9674 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9675 return -EOPNOTSUPP;
b23aa676 9676
79c97e97 9677 wiphy = &rdev->wiphy;
b23aa676 9678
4486ea98
BS		 9679 connect.bg_scan_period = -1;
9680 if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] &&
9681 (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) {
9682 connect.bg_scan_period =
9683 nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]);
9684 }
9685
b23aa676
SO		 9686 if (info->attrs[NL80211_ATTR_MAC])
9687 connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
1df4a510
JM		 9688 else if (info->attrs[NL80211_ATTR_MAC_HINT])
9689 connect.bssid_hint =
9690 nla_data(info->attrs[NL80211_ATTR_MAC_HINT]);
b23aa676
SO		 9691 connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
9692 connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
9693
9694 if (info->attrs[NL80211_ATTR_IE]) {
9695 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9696 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9697 }
9698
cee00a95
JM		 9699 if (info->attrs[NL80211_ATTR_USE_MFP]) {
9700 connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
65026002
EG		 9701 if (connect.mfp == NL80211_MFP_OPTIONAL &&
9702 !wiphy_ext_feature_isset(&rdev->wiphy,
9703 NL80211_EXT_FEATURE_MFP_OPTIONAL))
9704 return -EOPNOTSUPP;
cee00a95
JM		 9705 } else {
9706 connect.mfp = NL80211_MFP_NO;
9707 }
9708
ba6fbacf
JM		 9709 if (info->attrs[NL80211_ATTR_PREV_BSSID])
9710 connect.prev_bssid =
9711 nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
9712
b23aa676 9713 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
664834de
JM		 9714 connect.channel = nl80211_get_valid_chan(
9715 wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ]);
9716 if (!connect.channel)
1df4a510
JM		 9717 return -EINVAL;
9718 } else if (info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]) {
664834de
JM		 9719 connect.channel_hint = nl80211_get_valid_chan(
9720 wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]);
9721 if (!connect.channel_hint)
4c476991 9722 return -EINVAL;
b23aa676
SO		 9723 }
9724
fffd0934 9725 if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) {
768075eb 9726 connkeys = nl80211_parse_connkeys(rdev, info, NULL);
4c476991
JB		 9727 if (IS_ERR(connkeys))
9728 return PTR_ERR(connkeys);
fffd0934
JB		 9729 }
9730
7e7c8926
BG		 9731 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
9732 connect.flags |= ASSOC_REQ_DISABLE_HT;
9733
9734 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
9735 memcpy(&connect.ht_capa_mask,
9736 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
9737 sizeof(connect.ht_capa_mask));
9738
9739 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
b4e4f47e 9740 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) {
b47f610b 9741 kzfree(connkeys);
7e7c8926 9742 return -EINVAL;
b4e4f47e 9743 }
7e7c8926
BG		 9744 memcpy(&connect.ht_capa,
9745 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
9746 sizeof(connect.ht_capa));
9747 }
9748
ee2aca34
JB		 9749 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
9750 connect.flags |= ASSOC_REQ_DISABLE_VHT;
9751
9752 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
9753 memcpy(&connect.vht_capa_mask,
9754 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
9755 sizeof(connect.vht_capa_mask));
9756
9757 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
9758 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) {
b47f610b 9759 kzfree(connkeys);
ee2aca34
JB		 9760 return -EINVAL;
9761 }
9762 memcpy(&connect.vht_capa,
9763 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
9764 sizeof(connect.vht_capa));
9765 }
9766
bab5ab7d 9767 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
0c9ca11b
BL		 9768 if (!((rdev->wiphy.features &
9769 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
9770 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
9771 !wiphy_ext_feature_isset(&rdev->wiphy,
9772 NL80211_EXT_FEATURE_RRM)) {
707554b4 9773 kzfree(connkeys);
bab5ab7d 9774 return -EINVAL;
707554b4 9775 }
bab5ab7d
AK		 9776 connect.flags |= ASSOC_REQ_USE_RRM;
9777 }
9778
34d50519 9779 connect.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
57fbcce3 9780 if (connect.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) {
34d50519
LD		 9781 kzfree(connkeys);
9782 return -EOPNOTSUPP;
9783 }
9784
38de03d2
AS		 9785 if (info->attrs[NL80211_ATTR_BSS_SELECT]) {
9786 /* bss selection makes no sense if bssid is set */
9787 if (connect.bssid) {
9788 kzfree(connkeys);
9789 return -EINVAL;
9790 }
9791
9792 err = parse_bss_select(info->attrs[NL80211_ATTR_BSS_SELECT],
9793 wiphy, &connect.bss_select);
9794 if (err) {
9795 kzfree(connkeys);
9796 return err;
9797 }
9798 }
9799
a3caf744
VK		 9800 if (wiphy_ext_feature_isset(&rdev->wiphy,
9801 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) &&
9802 info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] &&
9803 info->attrs[NL80211_ATTR_FILS_ERP_REALM] &&
9804 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] &&
9805 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
9806 connect.fils_erp_username =
9807 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
9808 connect.fils_erp_username_len =
9809 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
9810 connect.fils_erp_realm =
9811 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
9812 connect.fils_erp_realm_len =
9813 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
9814 connect.fils_erp_next_seq_num =
9815 nla_get_u16(
9816 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]);
9817 connect.fils_erp_rrk =
9818 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
9819 connect.fils_erp_rrk_len =
9820 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
9821 } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] ||
9822 info->attrs[NL80211_ATTR_FILS_ERP_REALM] ||
9823 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] ||
9824 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
9825 kzfree(connkeys);
9826 return -EINVAL;
9827 }
9828
40cbfa90
SD		 9829 if (nla_get_flag(info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])) {
9830 if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
2f0605a6 9831 kzfree(connkeys);
40cbfa90
SD		 9832 GENL_SET_ERR_MSG(info,
9833 "external auth requires connection ownership");
9834 return -EINVAL;
9835 }
9836 connect.flags |= CONNECT_REQ_EXTERNAL_AUTH_SUPPORT;
9837 }
9838
83739b03 9839 wdev_lock(dev->ieee80211_ptr);
bd2522b1 9840
4ce2bd9c
JM		 9841 err = cfg80211_connect(rdev, dev, &connect, connkeys,
9842 connect.prev_bssid);
fffd0934 9843 if (err)
b47f610b 9844 kzfree(connkeys);
bd2522b1
AZ		 9845
9846 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
9847 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
9848 if (connect.bssid)
9849 memcpy(dev->ieee80211_ptr->disconnect_bssid,
9850 connect.bssid, ETH_ALEN);
9851 else
9852 memset(dev->ieee80211_ptr->disconnect_bssid,
9853 0, ETH_ALEN);
9854 }
9855
9856 wdev_unlock(dev->ieee80211_ptr);
9857
b23aa676
SO		 9858 return err;
9859}
9860
088e8df8 9861static int nl80211_update_connect_params(struct sk_buff *skb,
9862 struct genl_info *info)
9863{
9864 struct cfg80211_connect_params connect = {};
9865 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9866 struct net_device *dev = info->user_ptr[1];
9867 struct wireless_dev *wdev = dev->ieee80211_ptr;
7f9a3e15
VK		 9868 bool fils_sk_offload;
9869 u32 auth_type;
088e8df8 9870 u32 changed = 0;
9871 int ret;
9872
9873 if (!rdev->ops->update_connect_params)
9874 return -EOPNOTSUPP;
9875
9876 if (info->attrs[NL80211_ATTR_IE]) {
088e8df8 9877 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9878 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9879 changed |= UPDATE_ASSOC_IES;
9880 }
9881
7f9a3e15
VK		 9882 fils_sk_offload = wiphy_ext_feature_isset(&rdev->wiphy,
9883 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD);
9884
9885 /*
9886 * when driver supports fils-sk offload all attributes must be
9887 * provided. So the else covers "fils-sk-not-all" and
9888 * "no-fils-sk-any".
9889 */
9890 if (fils_sk_offload &&
9891 info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] &&
9892 info->attrs[NL80211_ATTR_FILS_ERP_REALM] &&
9893 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] &&
9894 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
9895 connect.fils_erp_username =
9896 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
9897 connect.fils_erp_username_len =
9898 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
9899 connect.fils_erp_realm =
9900 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
9901 connect.fils_erp_realm_len =
9902 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
9903 connect.fils_erp_next_seq_num =
9904 nla_get_u16(
9905 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]);
9906 connect.fils_erp_rrk =
9907 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
9908 connect.fils_erp_rrk_len =
9909 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
9910 changed |= UPDATE_FILS_ERP_INFO;
9911 } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] ||
9912 info->attrs[NL80211_ATTR_FILS_ERP_REALM] ||
9913 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] ||
9914 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
9915 return -EINVAL;
9916 }
9917
9918 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
9919 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
9920 if (!nl80211_valid_auth_type(rdev, auth_type,
9921 NL80211_CMD_CONNECT))
9922 return -EINVAL;
9923
9924 if (auth_type == NL80211_AUTHTYPE_FILS_SK &&
9925 fils_sk_offload && !(changed & UPDATE_FILS_ERP_INFO))
9926 return -EINVAL;
9927
9928 connect.auth_type = auth_type;
9929 changed |= UPDATE_AUTH_TYPE;
9930 }
9931
088e8df8 9932 wdev_lock(dev->ieee80211_ptr);
9933 if (!wdev->current_bss)
9934 ret = -ENOLINK;
9935 else
9936 ret = rdev_update_connect_params(rdev, dev, &connect, changed);
9937 wdev_unlock(dev->ieee80211_ptr);
9938
9939 return ret;
9940}
9941
b23aa676
SO		 9942static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
9943{
4c476991
JB		 9944 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9945 struct net_device *dev = info->user_ptr[1];
b23aa676 9946 u16 reason;
83739b03 9947 int ret;
b23aa676 9948
bad29297
AZ		 9949 if (dev->ieee80211_ptr->conn_owner_nlportid &&
9950 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
9951 return -EPERM;
9952
b23aa676
SO		 9953 if (!info->attrs[NL80211_ATTR_REASON_CODE])
9954 reason = WLAN_REASON_DEAUTH_LEAVING;
9955 else
9956 reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
9957
9958 if (reason == 0)
9959 return -EINVAL;
9960
074ac8df 9961 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 9962 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9963 return -EOPNOTSUPP;
b23aa676 9964
83739b03
JB		 9965 wdev_lock(dev->ieee80211_ptr);
9966 ret = cfg80211_disconnect(rdev, dev, reason, true);
9967 wdev_unlock(dev->ieee80211_ptr);
9968 return ret;
b23aa676
SO		 9969}
9970
463d0183
JB		 9971static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info)
9972{
4c476991 9973 struct cfg80211_registered_device *rdev = info->user_ptr[0];
463d0183
JB		 9974 struct net *net;
9975 int err;
463d0183 9976
4b681c82
VK		 9977 if (info->attrs[NL80211_ATTR_PID]) {
9978 u32 pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]);
9979
9980 net = get_net_ns_by_pid(pid);
9981 } else if (info->attrs[NL80211_ATTR_NETNS_FD]) {
9982 u32 fd = nla_get_u32(info->attrs[NL80211_ATTR_NETNS_FD]);
463d0183 9983
4b681c82
VK		 9984 net = get_net_ns_by_fd(fd);
9985 } else {
9986 return -EINVAL;
9987 }
463d0183 9988
4c476991
JB		 9989 if (IS_ERR(net))
9990 return PTR_ERR(net);
463d0183
JB		 9991
9992 err = 0;
9993
9994 /* check if anything to do */
4c476991
JB		 9995 if (!net_eq(wiphy_net(&rdev->wiphy), net))
9996 err = cfg80211_switch_netns(rdev, net);
463d0183 9997
463d0183 9998 put_net(net);
463d0183
JB		 9999 return err;
10000}
10001
67fbb16b
SO		 10002static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info)
10003{
4c476991 10004 struct cfg80211_registered_device *rdev = info->user_ptr[0];
67fbb16b
SO		 10005 int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev,
10006 struct cfg80211_pmksa *pmksa) = NULL;
4c476991 10007 struct net_device *dev = info->user_ptr[1];
67fbb16b
SO		 10008 struct cfg80211_pmksa pmksa;
10009
10010 memset(&pmksa, 0, sizeof(struct cfg80211_pmksa));
10011
67fbb16b
SO		 10012 if (!info->attrs[NL80211_ATTR_PMKID])
10013 return -EINVAL;
10014
67fbb16b 10015 pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
a3caf744
VK		 10016
10017 if (info->attrs[NL80211_ATTR_MAC]) {
10018 pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
10019 } else if (info->attrs[NL80211_ATTR_SSID] &&
10020 info->attrs[NL80211_ATTR_FILS_CACHE_ID] &&
10021 (info->genlhdr->cmd == NL80211_CMD_DEL_PMKSA ||
10022 info->attrs[NL80211_ATTR_PMK])) {
10023 pmksa.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
10024 pmksa.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
10025 pmksa.cache_id =
10026 nla_data(info->attrs[NL80211_ATTR_FILS_CACHE_ID]);
10027 } else {
10028 return -EINVAL;
10029 }
10030 if (info->attrs[NL80211_ATTR_PMK]) {
10031 pmksa.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
10032 pmksa.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
10033 }
67fbb16b 10034
074ac8df 10035 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
6c900360
LD		 10036 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT &&
10037 !(dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP &&
10038 wiphy_ext_feature_isset(&rdev->wiphy,
10039 NL80211_EXT_FEATURE_AP_PMKSA_CACHING)))
4c476991 10040 return -EOPNOTSUPP;
67fbb16b
SO		 10041
10042 switch (info->genlhdr->cmd) {
10043 case NL80211_CMD_SET_PMKSA:
10044 rdev_ops = rdev->ops->set_pmksa;
10045 break;
10046 case NL80211_CMD_DEL_PMKSA:
10047 rdev_ops = rdev->ops->del_pmksa;
10048 break;
10049 default:
10050 WARN_ON(1);
10051 break;
10052 }
10053
4c476991
JB		 10054 if (!rdev_ops)
10055 return -EOPNOTSUPP;
67fbb16b 10056
4c476991 10057 return rdev_ops(&rdev->wiphy, dev, &pmksa);
67fbb16b
SO		 10058}
10059
10060static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info)
10061{
4c476991
JB		 10062 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10063 struct net_device *dev = info->user_ptr[1];
67fbb16b 10064
074ac8df 10065 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 10066 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10067 return -EOPNOTSUPP;
67fbb16b 10068
4c476991
JB		 10069 if (!rdev->ops->flush_pmksa)
10070 return -EOPNOTSUPP;
67fbb16b 10071
e35e4d28 10072 return rdev_flush_pmksa(rdev, dev);
67fbb16b
SO		 10073}
10074
109086ce
AN		 10075static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info)
10076{
10077 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10078 struct net_device *dev = info->user_ptr[1];
10079 u8 action_code, dialog_token;
df942e7b 10080 u32 peer_capability = 0;
109086ce
AN		 10081 u16 status_code;
10082 u8 *peer;
31fa97c5 10083 bool initiator;
109086ce
AN		 10084
10085 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
10086 !rdev->ops->tdls_mgmt)
10087 return -EOPNOTSUPP;
10088
10089 if (!info->attrs[NL80211_ATTR_TDLS_ACTION] ||
10090 !info->attrs[NL80211_ATTR_STATUS_CODE] ||
10091 !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] ||
10092 !info->attrs[NL80211_ATTR_IE] ||
10093 !info->attrs[NL80211_ATTR_MAC])
10094 return -EINVAL;
10095
10096 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
10097 action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]);
10098 status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
10099 dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]);
31fa97c5 10100 initiator = nla_get_flag(info->attrs[NL80211_ATTR_TDLS_INITIATOR]);
df942e7b
SDU		 10101 if (info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY])
10102 peer_capability =
10103 nla_get_u32(info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]);
109086ce 10104
e35e4d28 10105 return rdev_tdls_mgmt(rdev, dev, peer, action_code,
df942e7b 10106 dialog_token, status_code, peer_capability,
31fa97c5 10107 initiator,
e35e4d28
HG		 10108 nla_data(info->attrs[NL80211_ATTR_IE]),
10109 nla_len(info->attrs[NL80211_ATTR_IE]));
109086ce
AN		 10110}
10111
10112static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info)
10113{
10114 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10115 struct net_device *dev = info->user_ptr[1];
10116 enum nl80211_tdls_operation operation;
10117 u8 *peer;
10118
10119 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
10120 !rdev->ops->tdls_oper)
10121 return -EOPNOTSUPP;
10122
10123 if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] ||
10124 !info->attrs[NL80211_ATTR_MAC])
10125 return -EINVAL;
10126
10127 operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]);
10128 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
10129
e35e4d28 10130 return rdev_tdls_oper(rdev, dev, peer, operation);
109086ce
AN		 10131}
10132
9588bbd5
JM		 10133static int nl80211_remain_on_channel(struct sk_buff *skb,
10134 struct genl_info *info)
10135{
4c476991 10136 struct cfg80211_registered_device *rdev = info->user_ptr[0];
71bbc994 10137 struct wireless_dev *wdev = info->user_ptr[1];
683b6d3b 10138 struct cfg80211_chan_def chandef;
34373d12 10139 const struct cfg80211_chan_def *compat_chandef;
9588bbd5
JM		 10140 struct sk_buff *msg;
10141 void *hdr;
10142 u64 cookie;
683b6d3b 10143 u32 duration;
9588bbd5
JM		 10144 int err;
10145
10146 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
10147 !info->attrs[NL80211_ATTR_DURATION])
10148 return -EINVAL;
10149
10150 duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
10151
ebf348fc
JB		 10152 if (!rdev->ops->remain_on_channel ||
10153 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL))
10154 return -EOPNOTSUPP;
10155
9588bbd5 10156 /*
ebf348fc
JB		 10157 * We should be on that channel for at least a minimum amount of
10158 * time (10ms) but no longer than the driver supports.
9588bbd5 10159 */
ebf348fc 10160 if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
a293911d 10161 duration > rdev->wiphy.max_remain_on_channel_duration)
9588bbd5
JM		 10162 return -EINVAL;
10163
683b6d3b
JB		 10164 err = nl80211_parse_chandef(rdev, info, &chandef);
10165 if (err)
10166 return err;
9588bbd5 10167
34373d12
VT		 10168 wdev_lock(wdev);
10169 if (!cfg80211_off_channel_oper_allowed(wdev) &&
10170 !cfg80211_chandef_identical(&wdev->chandef, &chandef)) {
10171 compat_chandef = cfg80211_chandef_compatible(&wdev->chandef,
10172 &chandef);
10173 if (compat_chandef != &chandef) {
10174 wdev_unlock(wdev);
10175 return -EBUSY;
10176 }
10177 }
10178 wdev_unlock(wdev);
10179
9588bbd5 10180 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4c476991
JB		 10181 if (!msg)
10182 return -ENOMEM;
9588bbd5 10183
15e47304 10184 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
9588bbd5 10185 NL80211_CMD_REMAIN_ON_CHANNEL);
cb35fba3
DC		 10186 if (!hdr) {
10187 err = -ENOBUFS;
9588bbd5
JM		 10188 goto free_msg;
10189 }
10190
683b6d3b
JB		 10191 err = rdev_remain_on_channel(rdev, wdev, chandef.chan,
10192 duration, &cookie);
9588bbd5
JM		 10193
10194 if (err)
10195 goto free_msg;
10196
2dad624e
ND		 10197 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
10198 NL80211_ATTR_PAD))
9360ffd1 10199 goto nla_put_failure;
9588bbd5
JM		 10200
10201 genlmsg_end(msg, hdr);
4c476991
JB		 10202
10203 return genlmsg_reply(msg, info);
9588bbd5
JM		 10204
10205 nla_put_failure:
10206 err = -ENOBUFS;
10207 free_msg:
10208 nlmsg_free(msg);
9588bbd5
JM		 10209 return err;
10210}
10211
10212static int nl80211_cancel_remain_on_channel(struct sk_buff *skb,
10213 struct genl_info *info)
10214{
4c476991 10215 struct cfg80211_registered_device *rdev = info->user_ptr[0];
71bbc994 10216 struct wireless_dev *wdev = info->user_ptr[1];
9588bbd5 10217 u64 cookie;
9588bbd5
JM		 10218
10219 if (!info->attrs[NL80211_ATTR_COOKIE])
10220 return -EINVAL;
10221
4c476991
JB		 10222 if (!rdev->ops->cancel_remain_on_channel)
10223 return -EOPNOTSUPP;
9588bbd5 10224
9588bbd5
JM		 10225 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
10226
e35e4d28 10227 return rdev_cancel_remain_on_channel(rdev, wdev, cookie);
9588bbd5
JM		 10228}
10229
13ae75b1
JM		 10230static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
10231 struct genl_info *info)
10232{
13ae75b1 10233 struct cfg80211_bitrate_mask mask;
a7c7fbff 10234 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4c476991 10235 struct net_device *dev = info->user_ptr[1];
a7c7fbff 10236 int err;
13ae75b1 10237
4c476991
JB		 10238 if (!rdev->ops->set_bitrate_mask)
10239 return -EOPNOTSUPP;
13ae75b1 10240
a7c7fbff
PK		 10241 err = nl80211_parse_tx_bitrate_mask(info, &mask);
10242 if (err)
10243 return err;
13ae75b1 10244
e35e4d28 10245 return rdev_set_bitrate_mask(rdev, dev, NULL, &mask);
13ae75b1
JM		 10246}
10247
2e161f78 10248static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
026331c4 10249{
4c476991 10250 struct cfg80211_registered_device *rdev = info->user_ptr[0];
71bbc994 10251 struct wireless_dev *wdev = info->user_ptr[1];
2e161f78 10252 u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION;
026331c4
JM		 10253
10254 if (!info->attrs[NL80211_ATTR_FRAME_MATCH])
10255 return -EINVAL;
10256
2e161f78
JB		 10257 if (info->attrs[NL80211_ATTR_FRAME_TYPE])
10258 frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]);
026331c4 10259
71bbc994
JB		 10260 switch (wdev->iftype) {
10261 case NL80211_IFTYPE_STATION:
10262 case NL80211_IFTYPE_ADHOC:
10263 case NL80211_IFTYPE_P2P_CLIENT:
10264 case NL80211_IFTYPE_AP:
10265 case NL80211_IFTYPE_AP_VLAN:
10266 case NL80211_IFTYPE_MESH_POINT:
10267 case NL80211_IFTYPE_P2P_GO:
98104fde 10268 case NL80211_IFTYPE_P2P_DEVICE:
71bbc994 10269 break;
cb3b7d87 10270 case NL80211_IFTYPE_NAN:
71bbc994 10271 default:
4c476991 10272 return -EOPNOTSUPP;
71bbc994 10273 }
026331c4
JM		 10274
10275 /* not much point in registering if we can't reply */
4c476991
JB		 10276 if (!rdev->ops->mgmt_tx)
10277 return -EOPNOTSUPP;
026331c4 10278
15e47304 10279 return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type,
026331c4
JM		 10280 nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]),
10281 nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH]));
026331c4
JM		 10282}
10283
2e161f78 10284static int nl80211_tx_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];
683b6d3b 10288 struct cfg80211_chan_def chandef;
026331c4 10289 int err;
d64d373f 10290 void *hdr = NULL;
026331c4 10291 u64 cookie;
e247bd90 10292 struct sk_buff *msg = NULL;
b176e629
AO		 10293 struct cfg80211_mgmt_tx_params params = {
10294 .dont_wait_for_ack =
10295 info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK],
10296 };
026331c4 10297
683b6d3b 10298 if (!info->attrs[NL80211_ATTR_FRAME])
026331c4
JM		 10299 return -EINVAL;
10300
4c476991
JB		 10301 if (!rdev->ops->mgmt_tx)
10302 return -EOPNOTSUPP;
026331c4 10303
71bbc994 10304 switch (wdev->iftype) {
ea141b75
AQ		 10305 case NL80211_IFTYPE_P2P_DEVICE:
10306 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
10307 return -EINVAL;
71bbc994
JB		 10308 case NL80211_IFTYPE_STATION:
10309 case NL80211_IFTYPE_ADHOC:
10310 case NL80211_IFTYPE_P2P_CLIENT:
10311 case NL80211_IFTYPE_AP:
10312 case NL80211_IFTYPE_AP_VLAN:
10313 case NL80211_IFTYPE_MESH_POINT:
10314 case NL80211_IFTYPE_P2P_GO:
10315 break;
cb3b7d87 10316 case NL80211_IFTYPE_NAN:
71bbc994 10317 default:
4c476991 10318 return -EOPNOTSUPP;
71bbc994 10319 }
026331c4 10320
f7ca38df 10321 if (info->attrs[NL80211_ATTR_DURATION]) {
7c4ef712 10322 if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
f7ca38df 10323 return -EINVAL;
b176e629 10324 params.wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
ebf348fc
JB		 10325
10326 /*
10327 * We should wait on the channel for at least a minimum amount
10328 * of time (10ms) but no longer than the driver supports.
10329 */
b176e629
AO		 10330 if (params.wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
10331 params.wait > rdev->wiphy.max_remain_on_channel_duration)
ebf348fc 10332 return -EINVAL;
f7ca38df
JB		 10333 }
10334
b176e629 10335 params.offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK];
f7ca38df 10336
b176e629 10337 if (params.offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
7c4ef712
JB		 10338 return -EINVAL;
10339
b176e629 10340 params.no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
e9f935e3 10341
ea141b75
AQ		 10342 /* get the channel if any has been specified, otherwise pass NULL to
10343 * the driver. The latter will use the current one
10344 */
10345 chandef.chan = NULL;
10346 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
10347 err = nl80211_parse_chandef(rdev, info, &chandef);
10348 if (err)
10349 return err;
10350 }
10351
b176e629 10352 if (!chandef.chan && params.offchan)
ea141b75 10353 return -EINVAL;
026331c4 10354
34373d12
VT		 10355 wdev_lock(wdev);
10356 if (params.offchan && !cfg80211_off_channel_oper_allowed(wdev)) {
10357 wdev_unlock(wdev);
10358 return -EBUSY;
10359 }
10360 wdev_unlock(wdev);
10361
34d22ce2
AO		 10362 params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
10363 params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
10364
10365 if (info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]) {
10366 int len = nla_len(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
10367 int i;
10368
10369 if (len % sizeof(u16))
10370 return -EINVAL;
10371
10372 params.n_csa_offsets = len / sizeof(u16);
10373 params.csa_offsets =
10374 nla_data(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
10375
10376 /* check that all the offsets fit the frame */
10377 for (i = 0; i < params.n_csa_offsets; i++) {
10378 if (params.csa_offsets[i] >= params.len)
10379 return -EINVAL;
10380 }
10381 }
10382
b176e629 10383 if (!params.dont_wait_for_ack) {
e247bd90
JB		 10384 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
10385 if (!msg)
10386 return -ENOMEM;
026331c4 10387
15e47304 10388 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
e247bd90 10389 NL80211_CMD_FRAME);
cb35fba3
DC		 10390 if (!hdr) {
10391 err = -ENOBUFS;
e247bd90
JB		 10392 goto free_msg;
10393 }
026331c4 10394 }
e247bd90 10395
b176e629
AO		 10396 params.chan = chandef.chan;
10397 err = cfg80211_mlme_mgmt_tx(rdev, wdev, &params, &cookie);
026331c4
JM		 10398 if (err)
10399 goto free_msg;
10400
e247bd90 10401 if (msg) {
2dad624e
ND		 10402 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
10403 NL80211_ATTR_PAD))
9360ffd1 10404 goto nla_put_failure;
026331c4 10405
e247bd90
JB		 10406 genlmsg_end(msg, hdr);
10407 return genlmsg_reply(msg, info);
10408 }
10409
10410 return 0;
026331c4
JM		 10411
10412 nla_put_failure:
10413 err = -ENOBUFS;
10414 free_msg:
10415 nlmsg_free(msg);
026331c4
JM		 10416 return err;
10417}
10418
f7ca38df
JB		 10419static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info)
10420{
10421 struct cfg80211_registered_device *rdev = info->user_ptr[0];
71bbc994 10422 struct wireless_dev *wdev = info->user_ptr[1];
f7ca38df
JB		 10423 u64 cookie;
10424
10425 if (!info->attrs[NL80211_ATTR_COOKIE])
10426 return -EINVAL;
10427
10428 if (!rdev->ops->mgmt_tx_cancel_wait)
10429 return -EOPNOTSUPP;
10430
71bbc994
JB		 10431 switch (wdev->iftype) {
10432 case NL80211_IFTYPE_STATION:
10433 case NL80211_IFTYPE_ADHOC:
10434 case NL80211_IFTYPE_P2P_CLIENT:
10435 case NL80211_IFTYPE_AP:
10436 case NL80211_IFTYPE_AP_VLAN:
10437 case NL80211_IFTYPE_P2P_GO:
98104fde 10438 case NL80211_IFTYPE_P2P_DEVICE:
71bbc994 10439 break;
cb3b7d87 10440 case NL80211_IFTYPE_NAN:
71bbc994 10441 default:
f7ca38df 10442 return -EOPNOTSUPP;
71bbc994 10443 }
f7ca38df
JB		 10444
10445 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
10446
e35e4d28 10447 return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie);
f7ca38df
JB		 10448}
10449
ffb9eb3d
KV		 10450static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info)
10451{
4c476991 10452 struct cfg80211_registered_device *rdev = info->user_ptr[0];
ffb9eb3d 10453 struct wireless_dev *wdev;
4c476991 10454 struct net_device *dev = info->user_ptr[1];
ffb9eb3d
KV		 10455 u8 ps_state;
10456 bool state;
10457 int err;
10458
4c476991
JB		 10459 if (!info->attrs[NL80211_ATTR_PS_STATE])
10460 return -EINVAL;
ffb9eb3d
KV		 10461
10462 ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]);
10463
ffb9eb3d
KV		 10464 wdev = dev->ieee80211_ptr;
10465
4c476991
JB		 10466 if (!rdev->ops->set_power_mgmt)
10467 return -EOPNOTSUPP;
ffb9eb3d
KV		 10468
10469 state = (ps_state == NL80211_PS_ENABLED) ? true : false;
10470
10471 if (state == wdev->ps)
4c476991 10472 return 0;
ffb9eb3d 10473
e35e4d28 10474 err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout);
4c476991
JB		 10475 if (!err)
10476 wdev->ps = state;
ffb9eb3d
KV		 10477 return err;
10478}
10479
10480static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info)
10481{
4c476991 10482 struct cfg80211_registered_device *rdev = info->user_ptr[0];
ffb9eb3d
KV		 10483 enum nl80211_ps_state ps_state;
10484 struct wireless_dev *wdev;
4c476991 10485 struct net_device *dev = info->user_ptr[1];
ffb9eb3d
KV		 10486 struct sk_buff *msg;
10487 void *hdr;
10488 int err;
10489
ffb9eb3d
KV		 10490 wdev = dev->ieee80211_ptr;
10491
4c476991
JB		 10492 if (!rdev->ops->set_power_mgmt)
10493 return -EOPNOTSUPP;
ffb9eb3d
KV		 10494
10495 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4c476991
JB		 10496 if (!msg)
10497 return -ENOMEM;
ffb9eb3d 10498
15e47304 10499 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
ffb9eb3d
KV		 10500 NL80211_CMD_GET_POWER_SAVE);
10501 if (!hdr) {
4c476991 10502 err = -ENOBUFS;
ffb9eb3d
KV		 10503 goto free_msg;
10504 }
10505
10506 if (wdev->ps)
10507 ps_state = NL80211_PS_ENABLED;
10508 else
10509 ps_state = NL80211_PS_DISABLED;
10510
9360ffd1
DM		 10511 if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state))
10512 goto nla_put_failure;
ffb9eb3d
KV		 10513
10514 genlmsg_end(msg, hdr);
4c476991 10515 return genlmsg_reply(msg, info);
ffb9eb3d 10516
4c476991 10517 nla_put_failure:
ffb9eb3d 10518 err = -ENOBUFS;
4c476991 10519 free_msg:
ffb9eb3d 10520 nlmsg_free(msg);
ffb9eb3d
KV		 10521 return err;
10522}
10523
94e860f1
JB		 10524static const struct nla_policy
10525nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] = {
4a4b8169 10526 [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_BINARY },
d6dc1a38
JO		 10527 [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 },
10528 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
84f10708
TP		 10529 [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 },
10530 [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 },
10531 [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 },
bee427b8 10532 [NL80211_ATTR_CQM_RSSI_LEVEL] = { .type = NLA_S32 },
d6dc1a38
JO		 10533};
10534
84f10708 10535static int nl80211_set_cqm_txe(struct genl_info *info,
d9d8b019 10536 u32 rate, u32 pkts, u32 intvl)
84f10708
TP		 10537{
10538 struct cfg80211_registered_device *rdev = info->user_ptr[0];
84f10708 10539 struct net_device *dev = info->user_ptr[1];
1da5fcc8 10540 struct wireless_dev *wdev = dev->ieee80211_ptr;
84f10708 10541
d9d8b019 10542 if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL)
84f10708
TP		 10543 return -EINVAL;
10544
84f10708
TP		 10545 if (!rdev->ops->set_cqm_txe_config)
10546 return -EOPNOTSUPP;
10547
10548 if (wdev->iftype != NL80211_IFTYPE_STATION &&
10549 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
10550 return -EOPNOTSUPP;
10551
e35e4d28 10552 return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl);
84f10708
TP		 10553}
10554
4a4b8169
AZ		 10555static int cfg80211_cqm_rssi_update(struct cfg80211_registered_device *rdev,
10556 struct net_device *dev)
10557{
10558 struct wireless_dev *wdev = dev->ieee80211_ptr;
10559 s32 last, low, high;
10560 u32 hyst;
1222a160 10561 int i, n, low_index;
4a4b8169
AZ		 10562 int err;
10563
10564 /* RSSI reporting disabled? */
10565 if (!wdev->cqm_config)
10566 return rdev_set_cqm_rssi_range_config(rdev, dev, 0, 0);
10567
10568 /*
10569 * Obtain current RSSI value if possible, if not and no RSSI threshold
10570 * event has been received yet, we should receive an event after a
10571 * connection is established and enough beacons received to calculate
10572 * the average.
10573 */
10574 if (!wdev->cqm_config->last_rssi_event_value && wdev->current_bss &&
10575 rdev->ops->get_station) {
73887fd9 10576 struct station_info sinfo = {};
4a4b8169
AZ		 10577 u8 *mac_addr;
10578
10579 mac_addr = wdev->current_bss->pub.bssid;
10580
73887fd9
JB		 10581 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
10582 if (err)
4a4b8169
AZ		 10583 return err;
10584
397c657a 10585 if (sinfo.filled & BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG))
4a4b8169 10586 wdev->cqm_config->last_rssi_event_value =
73887fd9 10587 (s8) sinfo.rx_beacon_signal_avg;
4a4b8169
AZ		 10588 }
10589
10590 last = wdev->cqm_config->last_rssi_event_value;
10591 hyst = wdev->cqm_config->rssi_hyst;
10592 n = wdev->cqm_config->n_rssi_thresholds;
10593
10594 for (i = 0; i < n; i++)
10595 if (last < wdev->cqm_config->rssi_thresholds[i])
10596 break;
10597
1222a160
MH		 10598 low_index = i - 1;
10599 if (low_index >= 0) {
10600 low_index = array_index_nospec(low_index, n);
10601 low = wdev->cqm_config->rssi_thresholds[low_index] - hyst;
10602 } else {
10603 low = S32_MIN;
10604 }
10605 if (i < n) {
10606 i = array_index_nospec(i, n);
10607 high = wdev->cqm_config->rssi_thresholds[i] + hyst - 1;
10608 } else {
10609 high = S32_MAX;
10610 }
4a4b8169
AZ		 10611
10612 return rdev_set_cqm_rssi_range_config(rdev, dev, low, high);
10613}
10614
d6dc1a38 10615static int nl80211_set_cqm_rssi(struct genl_info *info,
4a4b8169
AZ		 10616 const s32 *thresholds, int n_thresholds,
10617 u32 hysteresis)
d6dc1a38 10618{
4c476991 10619 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4c476991 10620 struct net_device *dev = info->user_ptr[1];
1da5fcc8 10621 struct wireless_dev *wdev = dev->ieee80211_ptr;
4a4b8169
AZ		 10622 int i, err;
10623 s32 prev = S32_MIN;
d6dc1a38 10624
4a4b8169
AZ		 10625 /* Check all values negative and sorted */
10626 for (i = 0; i < n_thresholds; i++) {
10627 if (thresholds[i] > 0 || thresholds[i] <= prev)
10628 return -EINVAL;
d6dc1a38 10629
4a4b8169
AZ		 10630 prev = thresholds[i];
10631 }
d6dc1a38 10632
074ac8df 10633 if (wdev->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 10634 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
10635 return -EOPNOTSUPP;
d6dc1a38 10636
4a4b8169
AZ		 10637 wdev_lock(wdev);
10638 cfg80211_cqm_config_free(wdev);
10639 wdev_unlock(wdev);
10640
10641 if (n_thresholds <= 1 && rdev->ops->set_cqm_rssi_config) {
10642 if (n_thresholds == 0 || thresholds[0] == 0) /* Disabling */
10643 return rdev_set_cqm_rssi_config(rdev, dev, 0, 0);
10644
10645 return rdev_set_cqm_rssi_config(rdev, dev,
10646 thresholds[0], hysteresis);
10647 }
10648
10649 if (!wiphy_ext_feature_isset(&rdev->wiphy,
10650 NL80211_EXT_FEATURE_CQM_RSSI_LIST))
10651 return -EOPNOTSUPP;
10652
10653 if (n_thresholds == 1 && thresholds[0] == 0) /* Disabling */
10654 n_thresholds = 0;
10655
10656 wdev_lock(wdev);
10657 if (n_thresholds) {
10658 struct cfg80211_cqm_config *cqm_config;
10659
10660 cqm_config = kzalloc(sizeof(struct cfg80211_cqm_config) +
10661 n_thresholds * sizeof(s32), GFP_KERNEL);
10662 if (!cqm_config) {
10663 err = -ENOMEM;
10664 goto unlock;
10665 }
10666
10667 cqm_config->rssi_hyst = hysteresis;
10668 cqm_config->n_rssi_thresholds = n_thresholds;
10669 memcpy(cqm_config->rssi_thresholds, thresholds,
10670 n_thresholds * sizeof(s32));
10671
10672 wdev->cqm_config = cqm_config;
10673 }
10674
10675 err = cfg80211_cqm_rssi_update(rdev, dev);
10676
10677unlock:
10678 wdev_unlock(wdev);
10679
10680 return err;
d6dc1a38
JO		 10681}
10682
10683static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info)
10684{
10685 struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1];
10686 struct nlattr *cqm;
10687 int err;
10688
10689 cqm = info->attrs[NL80211_ATTR_CQM];
1da5fcc8
JB		 10690 if (!cqm)
10691 return -EINVAL;
d6dc1a38 10692
8cb08174
JB		 10693 err = nla_parse_nested_deprecated(attrs, NL80211_ATTR_CQM_MAX, cqm,
10694 nl80211_attr_cqm_policy,
10695 info->extack);
d6dc1a38 10696 if (err)
1da5fcc8 10697 return err;
d6dc1a38
JO		 10698
10699 if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] &&
10700 attrs[NL80211_ATTR_CQM_RSSI_HYST]) {
4a4b8169
AZ		 10701 const s32 *thresholds =
10702 nla_data(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
10703 int len = nla_len(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
1da5fcc8 10704 u32 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]);
d6dc1a38 10705
4a4b8169
AZ		 10706 if (len % 4)
10707 return -EINVAL;
10708
10709 return nl80211_set_cqm_rssi(info, thresholds, len / 4,
10710 hysteresis);
1da5fcc8
JB		 10711 }
10712
10713 if (attrs[NL80211_ATTR_CQM_TXE_RATE] &&
10714 attrs[NL80211_ATTR_CQM_TXE_PKTS] &&
10715 attrs[NL80211_ATTR_CQM_TXE_INTVL]) {
10716 u32 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]);
10717 u32 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]);
10718 u32 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]);
10719
10720 return nl80211_set_cqm_txe(info, rate, pkts, intvl);
10721 }
10722
10723 return -EINVAL;
d6dc1a38
JO		 10724}
10725
6e0bd6c3
RL		 10726static int nl80211_join_ocb(struct sk_buff *skb, struct genl_info *info)
10727{
10728 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10729 struct net_device *dev = info->user_ptr[1];
10730 struct ocb_setup setup = {};
10731 int err;
10732
10733 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
10734 if (err)
10735 return err;
10736
10737 return cfg80211_join_ocb(rdev, dev, &setup);
10738}
10739
10740static int nl80211_leave_ocb(struct sk_buff *skb, struct genl_info *info)
10741{
10742 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10743 struct net_device *dev = info->user_ptr[1];
10744
10745 return cfg80211_leave_ocb(rdev, dev);
10746}
10747
29cbe68c
JB		 10748static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info)
10749{
10750 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10751 struct net_device *dev = info->user_ptr[1];
10752 struct mesh_config cfg;
c80d545d 10753 struct mesh_setup setup;
29cbe68c
JB		 10754 int err;
10755
10756 /* start with default */
10757 memcpy(&cfg, &default_mesh_config, sizeof(cfg));
c80d545d 10758 memcpy(&setup, &default_mesh_setup, sizeof(setup));
29cbe68c 10759
24bdd9f4 10760 if (info->attrs[NL80211_ATTR_MESH_CONFIG]) {
29cbe68c 10761 /* and parse parameters if given */
24bdd9f4 10762 err = nl80211_parse_mesh_config(info, &cfg, NULL);
29cbe68c
JB		 10763 if (err)
10764 return err;
10765 }
10766
10767 if (!info->attrs[NL80211_ATTR_MESH_ID] ||
10768 !nla_len(info->attrs[NL80211_ATTR_MESH_ID]))
10769 return -EINVAL;
10770
c80d545d
JC		 10771 setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]);
10772 setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
10773
4bb62344
CYY		 10774 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
10775 !nl80211_parse_mcast_rate(rdev, setup.mcast_rate,
10776 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
10777 return -EINVAL;
10778
9bdbf04d
MP		 10779 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) {
10780 setup.beacon_interval =
10781 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
12d20fc9 10782
0c317a02
PK		 10783 err = cfg80211_validate_beacon_int(rdev,
10784 NL80211_IFTYPE_MESH_POINT,
10785 setup.beacon_interval);
12d20fc9
PK		 10786 if (err)
10787 return err;
9bdbf04d
MP		 10788 }
10789
10790 if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) {
10791 setup.dtim_period =
10792 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
10793 if (setup.dtim_period < 1 || setup.dtim_period > 100)
10794 return -EINVAL;
10795 }
10796
c80d545d
JC		 10797 if (info->attrs[NL80211_ATTR_MESH_SETUP]) {
10798 /* parse additional setup parameters if given */
10799 err = nl80211_parse_mesh_setup(info, &setup);
10800 if (err)
10801 return err;
10802 }
10803
d37bb18a
TP		 10804 if (setup.user_mpm)
10805 cfg.auto_open_plinks = false;
10806
cc1d2806 10807 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
683b6d3b
JB		 10808 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
10809 if (err)
10810 return err;
cc1d2806 10811 } else {
188c1b3c 10812 /* __cfg80211_join_mesh() will sort it out */
683b6d3b 10813 setup.chandef.chan = NULL;
cc1d2806
JB		 10814 }
10815
ffb3cf30
AN		 10816 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
10817 u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
10818 int n_rates =
10819 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
10820 struct ieee80211_supported_band *sband;
10821
10822 if (!setup.chandef.chan)
10823 return -EINVAL;
10824
10825 sband = rdev->wiphy.bands[setup.chandef.chan->band];
10826
10827 err = ieee80211_get_ratemask(sband, rates, n_rates,
10828 &setup.basic_rates);
10829 if (err)
10830 return err;
10831 }
10832
8564e382
JB		 10833 if (info->attrs[NL80211_ATTR_TX_RATES]) {
10834 err = nl80211_parse_tx_bitrate_mask(info, &setup.beacon_rate);
10835 if (err)
10836 return err;
10837
265698d7
JB		 10838 if (!setup.chandef.chan)
10839 return -EINVAL;
10840
8564e382
JB		 10841 err = validate_beacon_tx_rate(rdev, setup.chandef.chan->band,
10842 &setup.beacon_rate);
10843 if (err)
10844 return err;
10845 }
10846
d37d49c2
BB		 10847 setup.userspace_handles_dfs =
10848 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
10849
1224f583
DK		 10850 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
10851 int r = validate_pae_over_nl80211(rdev, info);
10852
10853 if (r < 0)
10854 return r;
10855
10856 setup.control_port_over_nl80211 = true;
10857 }
10858
188c1b3c
DK		 10859 wdev_lock(dev->ieee80211_ptr);
10860 err = __cfg80211_join_mesh(rdev, dev, &setup, &cfg);
10861 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER])
10862 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
10863 wdev_unlock(dev->ieee80211_ptr);
10864
10865 return err;
29cbe68c
JB		 10866}
10867
10868static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info)
10869{
10870 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10871 struct net_device *dev = info->user_ptr[1];
10872
10873 return cfg80211_leave_mesh(rdev, dev);
10874}
10875
dfb89c56 10876#ifdef CONFIG_PM
bb92d199
AK		 10877static int nl80211_send_wowlan_patterns(struct sk_buff *msg,
10878 struct cfg80211_registered_device *rdev)
10879{
6abb9cb9 10880 struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config;
bb92d199
AK		 10881 struct nlattr *nl_pats, *nl_pat;
10882 int i, pat_len;
10883
6abb9cb9 10884 if (!wowlan->n_patterns)
bb92d199
AK		 10885 return 0;
10886
ae0be8de 10887 nl_pats = nla_nest_start_noflag(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN);
bb92d199
AK		 10888 if (!nl_pats)
10889 return -ENOBUFS;
10890
6abb9cb9 10891 for (i = 0; i < wowlan->n_patterns; i++) {
ae0be8de 10892 nl_pat = nla_nest_start_noflag(msg, i + 1);
bb92d199
AK		 10893 if (!nl_pat)
10894 return -ENOBUFS;
6abb9cb9 10895 pat_len = wowlan->patterns[i].pattern_len;
50ac6607 10896 if (nla_put(msg, NL80211_PKTPAT_MASK, DIV_ROUND_UP(pat_len, 8),
6abb9cb9 10897 wowlan->patterns[i].mask) ||
50ac6607
AK		 10898 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
10899 wowlan->patterns[i].pattern) ||
10900 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
6abb9cb9 10901 wowlan->patterns[i].pkt_offset))
bb92d199
AK		 10902 return -ENOBUFS;
10903 nla_nest_end(msg, nl_pat);
10904 }
10905 nla_nest_end(msg, nl_pats);
10906
10907 return 0;
10908}
10909
2a0e047e
JB		 10910static int nl80211_send_wowlan_tcp(struct sk_buff *msg,
10911 struct cfg80211_wowlan_tcp *tcp)
10912{
10913 struct nlattr *nl_tcp;
10914
10915 if (!tcp)
10916 return 0;
10917
ae0be8de
MK		 10918 nl_tcp = nla_nest_start_noflag(msg,
10919 NL80211_WOWLAN_TRIG_TCP_CONNECTION);
2a0e047e
JB		 10920 if (!nl_tcp)
10921 return -ENOBUFS;
10922
930345ea
JB		 10923 if (nla_put_in_addr(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) ||
10924 nla_put_in_addr(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) ||
2a0e047e
JB		 10925 nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) ||
10926 nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) ||
10927 nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) ||
10928 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
10929 tcp->payload_len, tcp->payload) ||
10930 nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
10931 tcp->data_interval) ||
10932 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
10933 tcp->wake_len, tcp->wake_data) ||
10934 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK,
10935 DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask))
10936 return -ENOBUFS;
10937
10938 if (tcp->payload_seq.len &&
10939 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ,
10940 sizeof(tcp->payload_seq), &tcp->payload_seq))
10941 return -ENOBUFS;
10942
10943 if (tcp->payload_tok.len &&
10944 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
10945 sizeof(tcp->payload_tok) + tcp->tokens_size,
10946 &tcp->payload_tok))
10947 return -ENOBUFS;
10948
e248ad30
JB		 10949 nla_nest_end(msg, nl_tcp);
10950
2a0e047e
JB		 10951 return 0;
10952}
10953
75453ccb
LC		 10954static int nl80211_send_wowlan_nd(struct sk_buff *msg,
10955 struct cfg80211_sched_scan_request *req)
10956{
3b06d277 10957 struct nlattr *nd, *freqs, *matches, *match, *scan_plans, *scan_plan;
75453ccb
LC		 10958 int i;
10959
10960 if (!req)
10961 return 0;
10962
ae0be8de 10963 nd = nla_nest_start_noflag(msg, NL80211_WOWLAN_TRIG_NET_DETECT);
75453ccb
LC		 10964 if (!nd)
10965 return -ENOBUFS;
10966
3b06d277
AS		 10967 if (req->n_scan_plans == 1 &&
10968 nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_INTERVAL,
10969 req->scan_plans[0].interval * 1000))
75453ccb
LC		 10970 return -ENOBUFS;
10971
21fea567
LC		 10972 if (nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_DELAY, req->delay))
10973 return -ENOBUFS;
10974
bf95ecdb 10975 if (req->relative_rssi_set) {
10976 struct nl80211_bss_select_rssi_adjust rssi_adjust;
10977
10978 if (nla_put_s8(msg, NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI,
10979 req->relative_rssi))
10980 return -ENOBUFS;
10981
10982 rssi_adjust.band = req->rssi_adjust.band;
10983 rssi_adjust.delta = req->rssi_adjust.delta;
10984 if (nla_put(msg, NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST,
10985 sizeof(rssi_adjust), &rssi_adjust))
10986 return -ENOBUFS;
10987 }
10988
ae0be8de 10989 freqs = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_FREQUENCIES);
75453ccb
LC		 10990 if (!freqs)
10991 return -ENOBUFS;
10992
53b18980
JB		 10993 for (i = 0; i < req->n_channels; i++) {
10994 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
10995 return -ENOBUFS;
10996 }
75453ccb
LC		 10997
10998 nla_nest_end(msg, freqs);
10999
11000 if (req->n_match_sets) {
ae0be8de
MK		 11001 matches = nla_nest_start_noflag(msg,
11002 NL80211_ATTR_SCHED_SCAN_MATCH);
76e1fb4b
JB		 11003 if (!matches)
11004 return -ENOBUFS;
11005
75453ccb 11006 for (i = 0; i < req->n_match_sets; i++) {
ae0be8de 11007 match = nla_nest_start_noflag(msg, i);
76e1fb4b
JB		 11008 if (!match)
11009 return -ENOBUFS;
11010
53b18980
JB		 11011 if (nla_put(msg, NL80211_SCHED_SCAN_MATCH_ATTR_SSID,
11012 req->match_sets[i].ssid.ssid_len,
11013 req->match_sets[i].ssid.ssid))
11014 return -ENOBUFS;
75453ccb
LC		 11015 nla_nest_end(msg, match);
11016 }
11017 nla_nest_end(msg, matches);
11018 }
11019
ae0be8de 11020 scan_plans = nla_nest_start_noflag(msg, NL80211_ATTR_SCHED_SCAN_PLANS);
3b06d277
AS		 11021 if (!scan_plans)
11022 return -ENOBUFS;
11023
11024 for (i = 0; i < req->n_scan_plans; i++) {
ae0be8de 11025 scan_plan = nla_nest_start_noflag(msg, i + 1);
76e1fb4b
JB		 11026 if (!scan_plan)
11027 return -ENOBUFS;
11028
67626964 11029 if (nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_INTERVAL,
3b06d277
AS		 11030 req->scan_plans[i].interval) ||
11031 (req->scan_plans[i].iterations &&
11032 nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_ITERATIONS,
11033 req->scan_plans[i].iterations)))
11034 return -ENOBUFS;
11035 nla_nest_end(msg, scan_plan);
11036 }
11037 nla_nest_end(msg, scan_plans);
11038
75453ccb
LC		 11039 nla_nest_end(msg, nd);
11040
11041 return 0;
11042}
11043
ff1b6e69
JB		 11044static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info)
11045{
11046 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11047 struct sk_buff *msg;
11048 void *hdr;
2a0e047e 11049 u32 size = NLMSG_DEFAULT_SIZE;
ff1b6e69 11050
964dc9e2 11051 if (!rdev->wiphy.wowlan)
ff1b6e69
JB		 11052 return -EOPNOTSUPP;
11053
6abb9cb9 11054 if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) {
2a0e047e 11055 /* adjust size to have room for all the data */
6abb9cb9
JB		 11056 size += rdev->wiphy.wowlan_config->tcp->tokens_size +
11057 rdev->wiphy.wowlan_config->tcp->payload_len +
11058 rdev->wiphy.wowlan_config->tcp->wake_len +
11059 rdev->wiphy.wowlan_config->tcp->wake_len / 8;
2a0e047e
JB		 11060 }
11061
11062 msg = nlmsg_new(size, GFP_KERNEL);
ff1b6e69
JB		 11063 if (!msg)
11064 return -ENOMEM;
11065
15e47304 11066 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
ff1b6e69
JB		 11067 NL80211_CMD_GET_WOWLAN);
11068 if (!hdr)
11069 goto nla_put_failure;
11070
6abb9cb9 11071 if (rdev->wiphy.wowlan_config) {
ff1b6e69
JB		 11072 struct nlattr *nl_wowlan;
11073
ae0be8de
MK		 11074 nl_wowlan = nla_nest_start_noflag(msg,
11075 NL80211_ATTR_WOWLAN_TRIGGERS);
ff1b6e69
JB		 11076 if (!nl_wowlan)
11077 goto nla_put_failure;
11078
6abb9cb9 11079 if ((rdev->wiphy.wowlan_config->any &&
9360ffd1 11080 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
6abb9cb9 11081 (rdev->wiphy.wowlan_config->disconnect &&
9360ffd1 11082 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
6abb9cb9 11083 (rdev->wiphy.wowlan_config->magic_pkt &&
9360ffd1 11084 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
6abb9cb9 11085 (rdev->wiphy.wowlan_config->gtk_rekey_failure &&
9360ffd1 11086 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
6abb9cb9 11087 (rdev->wiphy.wowlan_config->eap_identity_req &&
9360ffd1 11088 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
6abb9cb9 11089 (rdev->wiphy.wowlan_config->four_way_handshake &&
9360ffd1 11090 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
6abb9cb9 11091 (rdev->wiphy.wowlan_config->rfkill_release &&
9360ffd1
DM		 11092 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
11093 goto nla_put_failure;
2a0e047e 11094
bb92d199
AK		 11095 if (nl80211_send_wowlan_patterns(msg, rdev))
11096 goto nla_put_failure;
2a0e047e 11097
6abb9cb9
JB		 11098 if (nl80211_send_wowlan_tcp(msg,
11099 rdev->wiphy.wowlan_config->tcp))
2a0e047e 11100 goto nla_put_failure;
75453ccb
LC		 11101
11102 if (nl80211_send_wowlan_nd(
11103 msg,
11104 rdev->wiphy.wowlan_config->nd_config))
11105 goto nla_put_failure;
2a0e047e 11106
ff1b6e69
JB		 11107 nla_nest_end(msg, nl_wowlan);
11108 }
11109
11110 genlmsg_end(msg, hdr);
11111 return genlmsg_reply(msg, info);
11112
11113nla_put_failure:
11114 nlmsg_free(msg);
11115 return -ENOBUFS;
11116}
11117
2a0e047e
JB		 11118static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev,
11119 struct nlattr *attr,
11120 struct cfg80211_wowlan *trig)
11121{
11122 struct nlattr *tb[NUM_NL80211_WOWLAN_TCP];
11123 struct cfg80211_wowlan_tcp *cfg;
11124 struct nl80211_wowlan_tcp_data_token *tok = NULL;
11125 struct nl80211_wowlan_tcp_data_seq *seq = NULL;
11126 u32 size;
11127 u32 data_size, wake_size, tokens_size = 0, wake_mask_size;
11128 int err, port;
11129
964dc9e2 11130 if (!rdev->wiphy.wowlan->tcp)
2a0e047e
JB		 11131 return -EINVAL;
11132
8cb08174
JB		 11133 err = nla_parse_nested_deprecated(tb, MAX_NL80211_WOWLAN_TCP, attr,
11134 nl80211_wowlan_tcp_policy, NULL);
2a0e047e
JB		 11135 if (err)
11136 return err;
11137
11138 if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] ||
11139 !tb[NL80211_WOWLAN_TCP_DST_IPV4] ||
11140 !tb[NL80211_WOWLAN_TCP_DST_MAC] ||
11141 !tb[NL80211_WOWLAN_TCP_DST_PORT] ||
11142 !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] ||
11143 !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] ||
11144 !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] ||
11145 !tb[NL80211_WOWLAN_TCP_WAKE_MASK])
11146 return -EINVAL;
11147
11148 data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]);
964dc9e2 11149 if (data_size > rdev->wiphy.wowlan->tcp->data_payload_max)
2a0e047e
JB		 11150 return -EINVAL;
11151
11152 if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) >
964dc9e2 11153 rdev->wiphy.wowlan->tcp->data_interval_max ||
723d568a 11154 nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0)
2a0e047e
JB		 11155 return -EINVAL;
11156
11157 wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]);
964dc9e2 11158 if (wake_size > rdev->wiphy.wowlan->tcp->wake_payload_max)
2a0e047e
JB		 11159 return -EINVAL;
11160
11161 wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]);
11162 if (wake_mask_size != DIV_ROUND_UP(wake_size, 8))
11163 return -EINVAL;
11164
11165 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) {
11166 u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
11167
11168 tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
11169 tokens_size = tokln - sizeof(*tok);
11170
11171 if (!tok->len || tokens_size % tok->len)
11172 return -EINVAL;
964dc9e2 11173 if (!rdev->wiphy.wowlan->tcp->tok)
2a0e047e 11174 return -EINVAL;
964dc9e2 11175 if (tok->len > rdev->wiphy.wowlan->tcp->tok->max_len)
2a0e047e 11176 return -EINVAL;
964dc9e2 11177 if (tok->len < rdev->wiphy.wowlan->tcp->tok->min_len)
2a0e047e 11178 return -EINVAL;
964dc9e2 11179 if (tokens_size > rdev->wiphy.wowlan->tcp->tok->bufsize)
2a0e047e
JB		 11180 return -EINVAL;
11181 if (tok->offset + tok->len > data_size)
11182 return -EINVAL;
11183 }
11184
11185 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) {
11186 seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]);
964dc9e2 11187 if (!rdev->wiphy.wowlan->tcp->seq)
2a0e047e
JB		 11188 return -EINVAL;
11189 if (seq->len == 0 || seq->len > 4)
11190 return -EINVAL;
11191 if (seq->len + seq->offset > data_size)
11192 return -EINVAL;
11193 }
11194
11195 size = sizeof(*cfg);
11196 size += data_size;
11197 size += wake_size + wake_mask_size;
11198 size += tokens_size;
11199
11200 cfg = kzalloc(size, GFP_KERNEL);
11201 if (!cfg)
11202 return -ENOMEM;
67b61f6c
JB		 11203 cfg->src = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_SRC_IPV4]);
11204 cfg->dst = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_DST_IPV4]);
2a0e047e
JB		 11205 memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]),
11206 ETH_ALEN);
11207 if (tb[NL80211_WOWLAN_TCP_SRC_PORT])
11208 port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]);
11209 else
11210 port = 0;
11211#ifdef CONFIG_INET
11212 /* allocate a socket and port for it and use it */
11213 err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM,
11214 IPPROTO_TCP, &cfg->sock, 1);
11215 if (err) {
11216 kfree(cfg);
11217 return err;
11218 }
11219 if (inet_csk_get_port(cfg->sock->sk, port)) {
11220 sock_release(cfg->sock);
11221 kfree(cfg);
11222 return -EADDRINUSE;
11223 }
11224 cfg->src_port = inet_sk(cfg->sock->sk)->inet_num;
11225#else
11226 if (!port) {
11227 kfree(cfg);
11228 return -EINVAL;
11229 }
11230 cfg->src_port = port;
11231#endif
11232
11233 cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]);
11234 cfg->payload_len = data_size;
11235 cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size;
11236 memcpy((void *)cfg->payload,
11237 nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]),
11238 data_size);
11239 if (seq)
11240 cfg->payload_seq = *seq;
11241 cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]);
11242 cfg->wake_len = wake_size;
11243 cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size;
11244 memcpy((void *)cfg->wake_data,
11245 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]),
11246 wake_size);
11247 cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size +
11248 data_size + wake_size;
11249 memcpy((void *)cfg->wake_mask,
11250 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]),
11251 wake_mask_size);
11252 if (tok) {
11253 cfg->tokens_size = tokens_size;
11254 memcpy(&cfg->payload_tok, tok, sizeof(*tok) + tokens_size);
11255 }
11256
11257 trig->tcp = cfg;
11258
11259 return 0;
11260}
11261
8cd4d456
LC		 11262static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device *rdev,
11263 const struct wiphy_wowlan_support *wowlan,
11264 struct nlattr *attr,
11265 struct cfg80211_wowlan *trig)
11266{
11267 struct nlattr **tb;
11268 int err;
11269
6396bb22 11270 tb = kcalloc(NUM_NL80211_ATTR, sizeof(*tb), GFP_KERNEL);
8cd4d456
LC		 11271 if (!tb)
11272 return -ENOMEM;
11273
11274 if (!(wowlan->flags & WIPHY_WOWLAN_NET_DETECT)) {
11275 err = -EOPNOTSUPP;
11276 goto out;
11277 }
11278
8cb08174
JB		 11279 err = nla_parse_nested_deprecated(tb, NL80211_ATTR_MAX, attr,
11280 nl80211_policy, NULL);
8cd4d456
LC		 11281 if (err)
11282 goto out;
11283
aad1e812
AVS		 11284 trig->nd_config = nl80211_parse_sched_scan(&rdev->wiphy, NULL, tb,
11285 wowlan->max_nd_match_sets);
8cd4d456
LC		 11286 err = PTR_ERR_OR_ZERO(trig->nd_config);
11287 if (err)
11288 trig->nd_config = NULL;
11289
11290out:
11291 kfree(tb);
11292 return err;
11293}
11294
ff1b6e69
JB		 11295static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
11296{
11297 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11298 struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG];
ff1b6e69 11299 struct cfg80211_wowlan new_triggers = {};
ae33bd81 11300 struct cfg80211_wowlan *ntrig;
964dc9e2 11301 const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan;
ff1b6e69 11302 int err, i;
6abb9cb9 11303 bool prev_enabled = rdev->wiphy.wowlan_config;
98fc4386 11304 bool regular = false;
ff1b6e69 11305
964dc9e2 11306 if (!wowlan)
ff1b6e69
JB		 11307 return -EOPNOTSUPP;
11308
ae33bd81
JB		 11309 if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) {
11310 cfg80211_rdev_free_wowlan(rdev);
6abb9cb9 11311 rdev->wiphy.wowlan_config = NULL;
ae33bd81
JB		 11312 goto set_wakeup;
11313 }
ff1b6e69 11314
8cb08174
JB		 11315 err = nla_parse_nested_deprecated(tb, MAX_NL80211_WOWLAN_TRIG,
11316 info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS],
11317 nl80211_wowlan_policy, info->extack);
ff1b6e69
JB		 11318 if (err)
11319 return err;
11320
11321 if (tb[NL80211_WOWLAN_TRIG_ANY]) {
11322 if (!(wowlan->flags & WIPHY_WOWLAN_ANY))
11323 return -EINVAL;
11324 new_triggers.any = true;
11325 }
11326
11327 if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) {
11328 if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT))
11329 return -EINVAL;
11330 new_triggers.disconnect = true;
98fc4386 11331 regular = true;
ff1b6e69
JB		 11332 }
11333
11334 if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) {
11335 if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT))
11336 return -EINVAL;
11337 new_triggers.magic_pkt = true;
98fc4386 11338 regular = true;
ff1b6e69
JB		 11339 }
11340
77dbbb13
JB		 11341 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED])
11342 return -EINVAL;
11343
11344 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) {
11345 if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE))
11346 return -EINVAL;
11347 new_triggers.gtk_rekey_failure = true;
98fc4386 11348 regular = true;
77dbbb13
JB		 11349 }
11350
11351 if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) {
11352 if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ))
11353 return -EINVAL;
11354 new_triggers.eap_identity_req = true;
98fc4386 11355 regular = true;
77dbbb13
JB		 11356 }
11357
11358 if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) {
11359 if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE))
11360 return -EINVAL;
11361 new_triggers.four_way_handshake = true;
98fc4386 11362 regular = true;
77dbbb13
JB		 11363 }
11364
11365 if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) {
11366 if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE))
11367 return -EINVAL;
11368 new_triggers.rfkill_release = true;
98fc4386 11369 regular = true;
77dbbb13
JB		 11370 }
11371
ff1b6e69
JB		 11372 if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) {
11373 struct nlattr *pat;
11374 int n_patterns = 0;
bb92d199 11375 int rem, pat_len, mask_len, pkt_offset;
50ac6607 11376 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
ff1b6e69 11377
98fc4386
JB		 11378 regular = true;
11379
ff1b6e69
JB		 11380 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
11381 rem)
11382 n_patterns++;
11383 if (n_patterns > wowlan->n_patterns)
11384 return -EINVAL;
11385
11386 new_triggers.patterns = kcalloc(n_patterns,
11387 sizeof(new_triggers.patterns[0]),
11388 GFP_KERNEL);
11389 if (!new_triggers.patterns)
11390 return -ENOMEM;
11391
11392 new_triggers.n_patterns = n_patterns;
11393 i = 0;
11394
11395 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
11396 rem) {
922bd80f
JB		 11397 u8 *mask_pat;
11398
8cb08174
JB		 11399 err = nla_parse_nested_deprecated(pat_tb,
11400 MAX_NL80211_PKTPAT,
11401 pat,
11402 nl80211_packet_pattern_policy,
11403 info->extack);
95bca62f
JB		 11404 if (err)
11405 goto error;
11406
ff1b6e69 11407 err = -EINVAL;
50ac6607
AK		 11408 if (!pat_tb[NL80211_PKTPAT_MASK] ||
11409 !pat_tb[NL80211_PKTPAT_PATTERN])
ff1b6e69 11410 goto error;
50ac6607 11411 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
ff1b6e69 11412 mask_len = DIV_ROUND_UP(pat_len, 8);
50ac6607 11413 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
ff1b6e69
JB		 11414 goto error;
11415 if (pat_len > wowlan->pattern_max_len ||
11416 pat_len < wowlan->pattern_min_len)
11417 goto error;
11418
50ac6607 11419 if (!pat_tb[NL80211_PKTPAT_OFFSET])
bb92d199
AK		 11420 pkt_offset = 0;
11421 else
11422 pkt_offset = nla_get_u32(
50ac6607 11423 pat_tb[NL80211_PKTPAT_OFFSET]);
bb92d199
AK		 11424 if (pkt_offset > wowlan->max_pkt_offset)
11425 goto error;
11426 new_triggers.patterns[i].pkt_offset = pkt_offset;
11427
922bd80f
JB		 11428 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
11429 if (!mask_pat) {
ff1b6e69
JB		 11430 err = -ENOMEM;
11431 goto error;
11432 }
922bd80f
JB		 11433 new_triggers.patterns[i].mask = mask_pat;
11434 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
ff1b6e69 11435 mask_len);
922bd80f
JB		 11436 mask_pat += mask_len;
11437 new_triggers.patterns[i].pattern = mask_pat;
ff1b6e69 11438 new_triggers.patterns[i].pattern_len = pat_len;
922bd80f 11439 memcpy(mask_pat,
50ac6607 11440 nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
ff1b6e69
JB		 11441 pat_len);
11442 i++;
11443 }
11444 }
11445
2a0e047e 11446 if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) {
98fc4386 11447 regular = true;
2a0e047e
JB		 11448 err = nl80211_parse_wowlan_tcp(
11449 rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION],
11450 &new_triggers);
11451 if (err)
11452 goto error;
11453 }
11454
8cd4d456 11455 if (tb[NL80211_WOWLAN_TRIG_NET_DETECT]) {
98fc4386 11456 regular = true;
8cd4d456
LC		 11457 err = nl80211_parse_wowlan_nd(
11458 rdev, wowlan, tb[NL80211_WOWLAN_TRIG_NET_DETECT],
11459 &new_triggers);
11460 if (err)
11461 goto error;
11462 }
11463
98fc4386
JB		 11464 /* The 'any' trigger means the device continues operating more or less
11465 * as in its normal operation mode and wakes up the host on most of the
11466 * normal interrupts (like packet RX, ...)
11467 * It therefore makes little sense to combine with the more constrained
11468 * wakeup trigger modes.
11469 */
11470 if (new_triggers.any && regular) {
11471 err = -EINVAL;
11472 goto error;
11473 }
11474
ae33bd81
JB		 11475 ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL);
11476 if (!ntrig) {
11477 err = -ENOMEM;
11478 goto error;
ff1b6e69 11479 }
ae33bd81 11480 cfg80211_rdev_free_wowlan(rdev);
6abb9cb9 11481 rdev->wiphy.wowlan_config = ntrig;
ff1b6e69 11482
ae33bd81 11483 set_wakeup:
6abb9cb9
JB		 11484 if (rdev->ops->set_wakeup &&
11485 prev_enabled != !!rdev->wiphy.wowlan_config)
11486 rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config);
6d52563f 11487
ff1b6e69
JB		 11488 return 0;
11489 error:
11490 for (i = 0; i < new_triggers.n_patterns; i++)
11491 kfree(new_triggers.patterns[i].mask);
11492 kfree(new_triggers.patterns);
2a0e047e
JB		 11493 if (new_triggers.tcp && new_triggers.tcp->sock)
11494 sock_release(new_triggers.tcp->sock);
11495 kfree(new_triggers.tcp);
e5dbe070 11496 kfree(new_triggers.nd_config);
ff1b6e69
JB		 11497 return err;
11498}
dfb89c56 11499#endif
ff1b6e69 11500
be29b99a
AK		 11501static int nl80211_send_coalesce_rules(struct sk_buff *msg,
11502 struct cfg80211_registered_device *rdev)
11503{
11504 struct nlattr *nl_pats, *nl_pat, *nl_rule, *nl_rules;
11505 int i, j, pat_len;
11506 struct cfg80211_coalesce_rules *rule;
11507
11508 if (!rdev->coalesce->n_rules)
11509 return 0;
11510
ae0be8de 11511 nl_rules = nla_nest_start_noflag(msg, NL80211_ATTR_COALESCE_RULE);
be29b99a
AK		 11512 if (!nl_rules)
11513 return -ENOBUFS;
11514
11515 for (i = 0; i < rdev->coalesce->n_rules; i++) {
ae0be8de 11516 nl_rule = nla_nest_start_noflag(msg, i + 1);
be29b99a
AK		 11517 if (!nl_rule)
11518 return -ENOBUFS;
11519
11520 rule = &rdev->coalesce->rules[i];
11521 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_DELAY,
11522 rule->delay))
11523 return -ENOBUFS;
11524
11525 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_CONDITION,
11526 rule->condition))
11527 return -ENOBUFS;
11528
ae0be8de
MK		 11529 nl_pats = nla_nest_start_noflag(msg,
11530 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN);
be29b99a
AK		 11531 if (!nl_pats)
11532 return -ENOBUFS;
11533
11534 for (j = 0; j < rule->n_patterns; j++) {
ae0be8de 11535 nl_pat = nla_nest_start_noflag(msg, j + 1);
be29b99a
AK		 11536 if (!nl_pat)
11537 return -ENOBUFS;
11538 pat_len = rule->patterns[j].pattern_len;
11539 if (nla_put(msg, NL80211_PKTPAT_MASK,
11540 DIV_ROUND_UP(pat_len, 8),
11541 rule->patterns[j].mask) ||
11542 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
11543 rule->patterns[j].pattern) ||
11544 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
11545 rule->patterns[j].pkt_offset))
11546 return -ENOBUFS;
11547 nla_nest_end(msg, nl_pat);
11548 }
11549 nla_nest_end(msg, nl_pats);
11550 nla_nest_end(msg, nl_rule);
11551 }
11552 nla_nest_end(msg, nl_rules);
11553
11554 return 0;
11555}
11556
11557static int nl80211_get_coalesce(struct sk_buff *skb, struct genl_info *info)
11558{
11559 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11560 struct sk_buff *msg;
11561 void *hdr;
11562
11563 if (!rdev->wiphy.coalesce)
11564 return -EOPNOTSUPP;
11565
11566 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
11567 if (!msg)
11568 return -ENOMEM;
11569
11570 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
11571 NL80211_CMD_GET_COALESCE);
11572 if (!hdr)
11573 goto nla_put_failure;
11574
11575 if (rdev->coalesce && nl80211_send_coalesce_rules(msg, rdev))
11576 goto nla_put_failure;
11577
11578 genlmsg_end(msg, hdr);
11579 return genlmsg_reply(msg, info);
11580
11581nla_put_failure:
11582 nlmsg_free(msg);
11583 return -ENOBUFS;
11584}
11585
11586void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev)
11587{
11588 struct cfg80211_coalesce *coalesce = rdev->coalesce;
11589 int i, j;
11590 struct cfg80211_coalesce_rules *rule;
11591
11592 if (!coalesce)
11593 return;
11594
11595 for (i = 0; i < coalesce->n_rules; i++) {
11596 rule = &coalesce->rules[i];
11597 for (j = 0; j < rule->n_patterns; j++)
11598 kfree(rule->patterns[j].mask);
11599 kfree(rule->patterns);
11600 }
11601 kfree(coalesce->rules);
11602 kfree(coalesce);
11603 rdev->coalesce = NULL;
11604}
11605
11606static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev,
11607 struct nlattr *rule,
11608 struct cfg80211_coalesce_rules *new_rule)
11609{
11610 int err, i;
11611 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
11612 struct nlattr *tb[NUM_NL80211_ATTR_COALESCE_RULE], *pat;
11613 int rem, pat_len, mask_len, pkt_offset, n_patterns = 0;
11614 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
11615
8cb08174
JB		 11616 err = nla_parse_nested_deprecated(tb, NL80211_ATTR_COALESCE_RULE_MAX,
11617 rule, nl80211_coalesce_policy, NULL);
be29b99a
AK		 11618 if (err)
11619 return err;
11620
11621 if (tb[NL80211_ATTR_COALESCE_RULE_DELAY])
11622 new_rule->delay =
11623 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_DELAY]);
11624 if (new_rule->delay > coalesce->max_delay)
11625 return -EINVAL;
11626
11627 if (tb[NL80211_ATTR_COALESCE_RULE_CONDITION])
11628 new_rule->condition =
11629 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_CONDITION]);
be29b99a
AK		 11630
11631 if (!tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN])
11632 return -EINVAL;
11633
11634 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
11635 rem)
11636 n_patterns++;
11637 if (n_patterns > coalesce->n_patterns)
11638 return -EINVAL;
11639
11640 new_rule->patterns = kcalloc(n_patterns, sizeof(new_rule->patterns[0]),
11641 GFP_KERNEL);
11642 if (!new_rule->patterns)
11643 return -ENOMEM;
11644
11645 new_rule->n_patterns = n_patterns;
11646 i = 0;
11647
11648 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
11649 rem) {
922bd80f
JB		 11650 u8 *mask_pat;
11651
8cb08174
JB		 11652 err = nla_parse_nested_deprecated(pat_tb, MAX_NL80211_PKTPAT,
11653 pat,
11654 nl80211_packet_pattern_policy,
11655 NULL);
95bca62f
JB		 11656 if (err)
11657 return err;
11658
be29b99a
AK		 11659 if (!pat_tb[NL80211_PKTPAT_MASK] ||
11660 !pat_tb[NL80211_PKTPAT_PATTERN])
11661 return -EINVAL;
11662 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
11663 mask_len = DIV_ROUND_UP(pat_len, 8);
11664 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
11665 return -EINVAL;
11666 if (pat_len > coalesce->pattern_max_len ||
11667 pat_len < coalesce->pattern_min_len)
11668 return -EINVAL;
11669
11670 if (!pat_tb[NL80211_PKTPAT_OFFSET])
11671 pkt_offset = 0;
11672 else
11673 pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]);
11674 if (pkt_offset > coalesce->max_pkt_offset)
11675 return -EINVAL;
11676 new_rule->patterns[i].pkt_offset = pkt_offset;
11677
922bd80f
JB		 11678 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
11679 if (!mask_pat)
be29b99a 11680 return -ENOMEM;
922bd80f
JB		 11681
11682 new_rule->patterns[i].mask = mask_pat;
11683 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
11684 mask_len);
11685
11686 mask_pat += mask_len;
11687 new_rule->patterns[i].pattern = mask_pat;
be29b99a 11688 new_rule->patterns[i].pattern_len = pat_len;
922bd80f
JB		 11689 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
11690 pat_len);
be29b99a
AK		 11691 i++;
11692 }
11693
11694 return 0;
11695}
11696
11697static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info)
11698{
11699 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11700 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
11701 struct cfg80211_coalesce new_coalesce = {};
11702 struct cfg80211_coalesce *n_coalesce;
11703 int err, rem_rule, n_rules = 0, i, j;
11704 struct nlattr *rule;
11705 struct cfg80211_coalesce_rules *tmp_rule;
11706
11707 if (!rdev->wiphy.coalesce || !rdev->ops->set_coalesce)
11708 return -EOPNOTSUPP;
11709
11710 if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) {
11711 cfg80211_rdev_free_coalesce(rdev);
a1056b1b 11712 rdev_set_coalesce(rdev, NULL);
be29b99a
AK		 11713 return 0;
11714 }
11715
11716 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
11717 rem_rule)
11718 n_rules++;
11719 if (n_rules > coalesce->n_rules)
11720 return -EINVAL;
11721
11722 new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]),
11723 GFP_KERNEL);
11724 if (!new_coalesce.rules)
11725 return -ENOMEM;
11726
11727 new_coalesce.n_rules = n_rules;
11728 i = 0;
11729
11730 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
11731 rem_rule) {
11732 err = nl80211_parse_coalesce_rule(rdev, rule,
11733 &new_coalesce.rules[i]);
11734 if (err)
11735 goto error;
11736
11737 i++;
11738 }
11739
a1056b1b 11740 err = rdev_set_coalesce(rdev, &new_coalesce);
be29b99a
AK		 11741 if (err)
11742 goto error;
11743
11744 n_coalesce = kmemdup(&new_coalesce, sizeof(new_coalesce), GFP_KERNEL);
11745 if (!n_coalesce) {
11746 err = -ENOMEM;
11747 goto error;
11748 }
11749 cfg80211_rdev_free_coalesce(rdev);
11750 rdev->coalesce = n_coalesce;
11751
11752 return 0;
11753error:
11754 for (i = 0; i < new_coalesce.n_rules; i++) {
11755 tmp_rule = &new_coalesce.rules[i];
11756 for (j = 0; j < tmp_rule->n_patterns; j++)
11757 kfree(tmp_rule->patterns[j].mask);
11758 kfree(tmp_rule->patterns);
11759 }
11760 kfree(new_coalesce.rules);
11761
11762 return err;
11763}
11764
e5497d76
JB		 11765static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info)
11766{
11767 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11768 struct net_device *dev = info->user_ptr[1];
11769 struct wireless_dev *wdev = dev->ieee80211_ptr;
11770 struct nlattr *tb[NUM_NL80211_REKEY_DATA];
11771 struct cfg80211_gtk_rekey_data rekey_data;
11772 int err;
11773
11774 if (!info->attrs[NL80211_ATTR_REKEY_DATA])
11775 return -EINVAL;
11776
8cb08174
JB		 11777 err = nla_parse_nested_deprecated(tb, MAX_NL80211_REKEY_DATA,
11778 info->attrs[NL80211_ATTR_REKEY_DATA],
11779 nl80211_rekey_policy, info->extack);
e5497d76
JB		 11780 if (err)
11781 return err;
11782
e785fa0a
VD		 11783 if (!tb[NL80211_REKEY_DATA_REPLAY_CTR] || !tb[NL80211_REKEY_DATA_KEK] ||
11784 !tb[NL80211_REKEY_DATA_KCK])
11785 return -EINVAL;
e5497d76
JB		 11786 if (nla_len(tb[NL80211_REKEY_DATA_REPLAY_CTR]) != NL80211_REPLAY_CTR_LEN)
11787 return -ERANGE;
11788 if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN)
11789 return -ERANGE;
11790 if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN)
11791 return -ERANGE;
11792
78f686ca
JB		 11793 rekey_data.kek = nla_data(tb[NL80211_REKEY_DATA_KEK]);
11794 rekey_data.kck = nla_data(tb[NL80211_REKEY_DATA_KCK]);
11795 rekey_data.replay_ctr = nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]);
e5497d76
JB		 11796
11797 wdev_lock(wdev);
11798 if (!wdev->current_bss) {
11799 err = -ENOTCONN;
11800 goto out;
11801 }
11802
11803 if (!rdev->ops->set_rekey_data) {
11804 err = -EOPNOTSUPP;
11805 goto out;
11806 }
11807
e35e4d28 11808 err = rdev_set_rekey_data(rdev, dev, &rekey_data);
e5497d76
JB		 11809 out:
11810 wdev_unlock(wdev);
11811 return err;
11812}
11813
28946da7
JB		 11814static int nl80211_register_unexpected_frame(struct sk_buff *skb,
11815 struct genl_info *info)
11816{
11817 struct net_device *dev = info->user_ptr[1];
11818 struct wireless_dev *wdev = dev->ieee80211_ptr;
11819
11820 if (wdev->iftype != NL80211_IFTYPE_AP &&
11821 wdev->iftype != NL80211_IFTYPE_P2P_GO)
11822 return -EINVAL;
11823
15e47304 11824 if (wdev->ap_unexpected_nlportid)
28946da7
JB		 11825 return -EBUSY;
11826
15e47304 11827 wdev->ap_unexpected_nlportid = info->snd_portid;
28946da7
JB		 11828 return 0;
11829}
11830
7f6cf311
JB		 11831static int nl80211_probe_client(struct sk_buff *skb,
11832 struct genl_info *info)
11833{
11834 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11835 struct net_device *dev = info->user_ptr[1];
11836 struct wireless_dev *wdev = dev->ieee80211_ptr;
11837 struct sk_buff *msg;
11838 void *hdr;
11839 const u8 *addr;
11840 u64 cookie;
11841 int err;
11842
11843 if (wdev->iftype != NL80211_IFTYPE_AP &&
11844 wdev->iftype != NL80211_IFTYPE_P2P_GO)
11845 return -EOPNOTSUPP;
11846
11847 if (!info->attrs[NL80211_ATTR_MAC])
11848 return -EINVAL;
11849
11850 if (!rdev->ops->probe_client)
11851 return -EOPNOTSUPP;
11852
11853 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
11854 if (!msg)
11855 return -ENOMEM;
11856
15e47304 11857 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
7f6cf311 11858 NL80211_CMD_PROBE_CLIENT);
cb35fba3
DC		 11859 if (!hdr) {
11860 err = -ENOBUFS;
7f6cf311
JB		 11861 goto free_msg;
11862 }
11863
11864 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
11865
e35e4d28 11866 err = rdev_probe_client(rdev, dev, addr, &cookie);
7f6cf311
JB		 11867 if (err)
11868 goto free_msg;
11869
2dad624e
ND		 11870 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
11871 NL80211_ATTR_PAD))
9360ffd1 11872 goto nla_put_failure;
7f6cf311
JB		 11873
11874 genlmsg_end(msg, hdr);
11875
11876 return genlmsg_reply(msg, info);
11877
11878 nla_put_failure:
11879 err = -ENOBUFS;
11880 free_msg:
11881 nlmsg_free(msg);
11882 return err;
11883}
11884
5e760230
JB		 11885static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info)
11886{
11887 struct cfg80211_registered_device *rdev = info->user_ptr[0];
37c73b5f
BG		 11888 struct cfg80211_beacon_registration *reg, *nreg;
11889 int rv;
5e760230
JB		 11890
11891 if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS))
11892 return -EOPNOTSUPP;
11893
37c73b5f
BG		 11894 nreg = kzalloc(sizeof(*nreg), GFP_KERNEL);
11895 if (!nreg)
11896 return -ENOMEM;
11897
11898 /* First, check if already registered. */
11899 spin_lock_bh(&rdev->beacon_registrations_lock);
11900 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
11901 if (reg->nlportid == info->snd_portid) {
11902 rv = -EALREADY;
11903 goto out_err;
11904 }
11905 }
11906 /* Add it to the list */
11907 nreg->nlportid = info->snd_portid;
11908 list_add(&nreg->list, &rdev->beacon_registrations);
5e760230 11909
37c73b5f 11910 spin_unlock_bh(&rdev->beacon_registrations_lock);
5e760230
JB		 11911
11912 return 0;
37c73b5f
BG		 11913out_err:
11914 spin_unlock_bh(&rdev->beacon_registrations_lock);
11915 kfree(nreg);
11916 return rv;
5e760230
JB		 11917}
11918
98104fde
JB		 11919static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info)
11920{
11921 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11922 struct wireless_dev *wdev = info->user_ptr[1];
11923 int err;
11924
11925 if (!rdev->ops->start_p2p_device)
11926 return -EOPNOTSUPP;
11927
11928 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
11929 return -EOPNOTSUPP;
11930
73c7da3d 11931 if (wdev_running(wdev))
98104fde
JB		 11932 return 0;
11933
b6a55015
LC		 11934 if (rfkill_blocked(rdev->rfkill))
11935 return -ERFKILL;
98104fde 11936
eeb126e9 11937 err = rdev_start_p2p_device(rdev, wdev);
98104fde
JB		 11938 if (err)
11939 return err;
11940
73c7da3d 11941 wdev->is_running = true;
98104fde 11942 rdev->opencount++;
98104fde
JB		 11943
11944 return 0;
11945}
11946
11947static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info)
11948{
11949 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11950 struct wireless_dev *wdev = info->user_ptr[1];
11951
11952 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
11953 return -EOPNOTSUPP;
11954
11955 if (!rdev->ops->stop_p2p_device)
11956 return -EOPNOTSUPP;
11957
f9f47529 11958 cfg80211_stop_p2p_device(rdev, wdev);
98104fde
JB		 11959
11960 return 0;
11961}
11962
cb3b7d87
AB		 11963static int nl80211_start_nan(struct sk_buff *skb, struct genl_info *info)
11964{
11965 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11966 struct wireless_dev *wdev = info->user_ptr[1];
11967 struct cfg80211_nan_conf conf = {};
11968 int err;
11969
11970 if (wdev->iftype != NL80211_IFTYPE_NAN)
11971 return -EOPNOTSUPP;
11972
eeb04a96 11973 if (wdev_running(wdev))
cb3b7d87
AB		 11974 return -EEXIST;
11975
11976 if (rfkill_blocked(rdev->rfkill))
11977 return -ERFKILL;
11978
11979 if (!info->attrs[NL80211_ATTR_NAN_MASTER_PREF])
11980 return -EINVAL;
11981
cb3b7d87
AB		 11982 conf.master_pref =
11983 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
cb3b7d87 11984
8585989d
LC		 11985 if (info->attrs[NL80211_ATTR_BANDS]) {
11986 u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]);
11987
11988 if (bands & ~(u32)wdev->wiphy->nan_supported_bands)
11989 return -EOPNOTSUPP;
11990
11991 if (bands && !(bands & BIT(NL80211_BAND_2GHZ)))
11992 return -EINVAL;
11993
11994 conf.bands = bands;
11995 }
cb3b7d87
AB		 11996
11997 err = rdev_start_nan(rdev, wdev, &conf);
11998 if (err)
11999 return err;
12000
73c7da3d 12001 wdev->is_running = true;
cb3b7d87
AB		 12002 rdev->opencount++;
12003
12004 return 0;
12005}
12006
12007static int nl80211_stop_nan(struct sk_buff *skb, struct genl_info *info)
12008{
12009 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12010 struct wireless_dev *wdev = info->user_ptr[1];
12011
12012 if (wdev->iftype != NL80211_IFTYPE_NAN)
12013 return -EOPNOTSUPP;
12014
12015 cfg80211_stop_nan(rdev, wdev);
12016
12017 return 0;
12018}
12019
a442b761
AB		 12020static int validate_nan_filter(struct nlattr *filter_attr)
12021{
12022 struct nlattr *attr;
12023 int len = 0, n_entries = 0, rem;
12024
12025 nla_for_each_nested(attr, filter_attr, rem) {
12026 len += nla_len(attr);
12027 n_entries++;
12028 }
12029
12030 if (len >= U8_MAX)
12031 return -EINVAL;
12032
12033 return n_entries;
12034}
12035
12036static int handle_nan_filter(struct nlattr *attr_filter,
12037 struct cfg80211_nan_func *func,
12038 bool tx)
12039{
12040 struct nlattr *attr;
12041 int n_entries, rem, i;
12042 struct cfg80211_nan_func_filter *filter;
12043
12044 n_entries = validate_nan_filter(attr_filter);
12045 if (n_entries < 0)
12046 return n_entries;
12047
12048 BUILD_BUG_ON(sizeof(*func->rx_filters) != sizeof(*func->tx_filters));
12049
12050 filter = kcalloc(n_entries, sizeof(*func->rx_filters), GFP_KERNEL);
12051 if (!filter)
12052 return -ENOMEM;
12053
12054 i = 0;
12055 nla_for_each_nested(attr, attr_filter, rem) {
b15ca182 12056 filter[i].filter = nla_memdup(attr, GFP_KERNEL);
a442b761
AB		 12057 filter[i].len = nla_len(attr);
12058 i++;
12059 }
12060 if (tx) {
12061 func->num_tx_filters = n_entries;
12062 func->tx_filters = filter;
12063 } else {
12064 func->num_rx_filters = n_entries;
12065 func->rx_filters = filter;
12066 }
12067
12068 return 0;
12069}
12070
12071static int nl80211_nan_add_func(struct sk_buff *skb,
12072 struct genl_info *info)
12073{
12074 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12075 struct wireless_dev *wdev = info->user_ptr[1];
12076 struct nlattr *tb[NUM_NL80211_NAN_FUNC_ATTR], *func_attr;
12077 struct cfg80211_nan_func *func;
12078 struct sk_buff *msg = NULL;
12079 void *hdr = NULL;
12080 int err = 0;
12081
12082 if (wdev->iftype != NL80211_IFTYPE_NAN)
12083 return -EOPNOTSUPP;
12084
73c7da3d 12085 if (!wdev_running(wdev))
a442b761
AB		 12086 return -ENOTCONN;
12087
12088 if (!info->attrs[NL80211_ATTR_NAN_FUNC])
12089 return -EINVAL;
12090
8cb08174
JB		 12091 err = nla_parse_nested_deprecated(tb, NL80211_NAN_FUNC_ATTR_MAX,
12092 info->attrs[NL80211_ATTR_NAN_FUNC],
12093 nl80211_nan_func_policy,
12094 info->extack);
a442b761
AB		 12095 if (err)
12096 return err;
12097
12098 func = kzalloc(sizeof(*func), GFP_KERNEL);
12099 if (!func)
12100 return -ENOMEM;
12101
b60ad348 12102 func->cookie = cfg80211_assign_cookie(rdev);
a442b761
AB		 12103
12104 if (!tb[NL80211_NAN_FUNC_TYPE] ||
12105 nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]) > NL80211_NAN_FUNC_MAX_TYPE) {
12106 err = -EINVAL;
12107 goto out;
12108 }
12109
12110
12111 func->type = nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]);
12112
12113 if (!tb[NL80211_NAN_FUNC_SERVICE_ID]) {
12114 err = -EINVAL;
12115 goto out;
12116 }
12117
12118 memcpy(func->service_id, nla_data(tb[NL80211_NAN_FUNC_SERVICE_ID]),
12119 sizeof(func->service_id));
12120
12121 func->close_range =
12122 nla_get_flag(tb[NL80211_NAN_FUNC_CLOSE_RANGE]);
12123
12124 if (tb[NL80211_NAN_FUNC_SERVICE_INFO]) {
12125 func->serv_spec_info_len =
12126 nla_len(tb[NL80211_NAN_FUNC_SERVICE_INFO]);
12127 func->serv_spec_info =
12128 kmemdup(nla_data(tb[NL80211_NAN_FUNC_SERVICE_INFO]),
12129 func->serv_spec_info_len,
12130 GFP_KERNEL);
12131 if (!func->serv_spec_info) {
12132 err = -ENOMEM;
12133 goto out;
12134 }
12135 }
12136
12137 if (tb[NL80211_NAN_FUNC_TTL])
12138 func->ttl = nla_get_u32(tb[NL80211_NAN_FUNC_TTL]);
12139
12140 switch (func->type) {
12141 case NL80211_NAN_FUNC_PUBLISH:
12142 if (!tb[NL80211_NAN_FUNC_PUBLISH_TYPE]) {
12143 err = -EINVAL;
12144 goto out;
12145 }
12146
12147 func->publish_type =
12148 nla_get_u8(tb[NL80211_NAN_FUNC_PUBLISH_TYPE]);
12149 func->publish_bcast =
12150 nla_get_flag(tb[NL80211_NAN_FUNC_PUBLISH_BCAST]);
12151
12152 if ((!(func->publish_type & NL80211_NAN_SOLICITED_PUBLISH)) &&
12153 func->publish_bcast) {
12154 err = -EINVAL;
12155 goto out;
12156 }
12157 break;
12158 case NL80211_NAN_FUNC_SUBSCRIBE:
12159 func->subscribe_active =
12160 nla_get_flag(tb[NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE]);
12161 break;
12162 case NL80211_NAN_FUNC_FOLLOW_UP:
12163 if (!tb[NL80211_NAN_FUNC_FOLLOW_UP_ID] ||
3ea15452
HC		 12164 !tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] ||
12165 !tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]) {
a442b761
AB		 12166 err = -EINVAL;
12167 goto out;
12168 }
12169
12170 func->followup_id =
12171 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_ID]);
12172 func->followup_reqid =
12173 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID]);
12174 memcpy(func->followup_dest.addr,
12175 nla_data(tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]),
12176 sizeof(func->followup_dest.addr));
12177 if (func->ttl) {
12178 err = -EINVAL;
12179 goto out;
12180 }
12181 break;
12182 default:
12183 err = -EINVAL;
12184 goto out;
12185 }
12186
12187 if (tb[NL80211_NAN_FUNC_SRF]) {
12188 struct nlattr *srf_tb[NUM_NL80211_NAN_SRF_ATTR];
12189
8cb08174
JB		 12190 err = nla_parse_nested_deprecated(srf_tb,
12191 NL80211_NAN_SRF_ATTR_MAX,
12192 tb[NL80211_NAN_FUNC_SRF],
12193 nl80211_nan_srf_policy,
12194 info->extack);
a442b761
AB		 12195 if (err)
12196 goto out;
12197
12198 func->srf_include =
12199 nla_get_flag(srf_tb[NL80211_NAN_SRF_INCLUDE]);
12200
12201 if (srf_tb[NL80211_NAN_SRF_BF]) {
12202 if (srf_tb[NL80211_NAN_SRF_MAC_ADDRS] ||
12203 !srf_tb[NL80211_NAN_SRF_BF_IDX]) {
12204 err = -EINVAL;
12205 goto out;
12206 }
12207
12208 func->srf_bf_len =
12209 nla_len(srf_tb[NL80211_NAN_SRF_BF]);
12210 func->srf_bf =
12211 kmemdup(nla_data(srf_tb[NL80211_NAN_SRF_BF]),
12212 func->srf_bf_len, GFP_KERNEL);
12213 if (!func->srf_bf) {
12214 err = -ENOMEM;
12215 goto out;
12216 }
12217
12218 func->srf_bf_idx =
12219 nla_get_u8(srf_tb[NL80211_NAN_SRF_BF_IDX]);
12220 } else {
12221 struct nlattr *attr, *mac_attr =
12222 srf_tb[NL80211_NAN_SRF_MAC_ADDRS];
12223 int n_entries, rem, i = 0;
12224
12225 if (!mac_attr) {
12226 err = -EINVAL;
12227 goto out;
12228 }
12229
12230 n_entries = validate_acl_mac_addrs(mac_attr);
12231 if (n_entries <= 0) {
12232 err = -EINVAL;
12233 goto out;
12234 }
12235
12236 func->srf_num_macs = n_entries;
12237 func->srf_macs =
6396bb22 12238 kcalloc(n_entries, sizeof(*func->srf_macs),
a442b761
AB		 12239 GFP_KERNEL);
12240 if (!func->srf_macs) {
12241 err = -ENOMEM;
12242 goto out;
12243 }
12244
12245 nla_for_each_nested(attr, mac_attr, rem)
12246 memcpy(func->srf_macs[i++].addr, nla_data(attr),
12247 sizeof(*func->srf_macs));
12248 }
12249 }
12250
12251 if (tb[NL80211_NAN_FUNC_TX_MATCH_FILTER]) {
12252 err = handle_nan_filter(tb[NL80211_NAN_FUNC_TX_MATCH_FILTER],
12253 func, true);
12254 if (err)
12255 goto out;
12256 }
12257
12258 if (tb[NL80211_NAN_FUNC_RX_MATCH_FILTER]) {
12259 err = handle_nan_filter(tb[NL80211_NAN_FUNC_RX_MATCH_FILTER],
12260 func, false);
12261 if (err)
12262 goto out;
12263 }
12264
12265 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12266 if (!msg) {
12267 err = -ENOMEM;
12268 goto out;
12269 }
12270
12271 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12272 NL80211_CMD_ADD_NAN_FUNCTION);
12273 /* This can't really happen - we just allocated 4KB */
12274 if (WARN_ON(!hdr)) {
12275 err = -ENOMEM;
12276 goto out;
12277 }
12278
12279 err = rdev_add_nan_func(rdev, wdev, func);
12280out:
12281 if (err < 0) {
12282 cfg80211_free_nan_func(func);
12283 nlmsg_free(msg);
12284 return err;
12285 }
12286
12287 /* propagate the instance id and cookie to userspace */
12288 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, func->cookie,
12289 NL80211_ATTR_PAD))
12290 goto nla_put_failure;
12291
ae0be8de 12292 func_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_FUNC);
a442b761
AB		 12293 if (!func_attr)
12294 goto nla_put_failure;
12295
12296 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID,
12297 func->instance_id))
12298 goto nla_put_failure;
12299
12300 nla_nest_end(msg, func_attr);
12301
12302 genlmsg_end(msg, hdr);
12303 return genlmsg_reply(msg, info);
12304
12305nla_put_failure:
12306 nlmsg_free(msg);
12307 return -ENOBUFS;
12308}
12309
12310static int nl80211_nan_del_func(struct sk_buff *skb,
12311 struct genl_info *info)
12312{
12313 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12314 struct wireless_dev *wdev = info->user_ptr[1];
12315 u64 cookie;
12316
12317 if (wdev->iftype != NL80211_IFTYPE_NAN)
12318 return -EOPNOTSUPP;
12319
73c7da3d 12320 if (!wdev_running(wdev))
a442b761
AB		 12321 return -ENOTCONN;
12322
12323 if (!info->attrs[NL80211_ATTR_COOKIE])
12324 return -EINVAL;
12325
a442b761
AB		 12326 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
12327
12328 rdev_del_nan_func(rdev, wdev, cookie);
12329
12330 return 0;
12331}
12332
a5a9dcf2
AB		 12333static int nl80211_nan_change_config(struct sk_buff *skb,
12334 struct genl_info *info)
12335{
12336 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12337 struct wireless_dev *wdev = info->user_ptr[1];
12338 struct cfg80211_nan_conf conf = {};
12339 u32 changed = 0;
12340
12341 if (wdev->iftype != NL80211_IFTYPE_NAN)
12342 return -EOPNOTSUPP;
12343
73c7da3d 12344 if (!wdev_running(wdev))
a5a9dcf2
AB		 12345 return -ENOTCONN;
12346
12347 if (info->attrs[NL80211_ATTR_NAN_MASTER_PREF]) {
12348 conf.master_pref =
12349 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
12350 if (conf.master_pref <= 1 || conf.master_pref == 255)
12351 return -EINVAL;
12352
12353 changed |= CFG80211_NAN_CONF_CHANGED_PREF;
12354 }
12355
8585989d
LC		 12356 if (info->attrs[NL80211_ATTR_BANDS]) {
12357 u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]);
12358
12359 if (bands & ~(u32)wdev->wiphy->nan_supported_bands)
12360 return -EOPNOTSUPP;
12361
12362 if (bands && !(bands & BIT(NL80211_BAND_2GHZ)))
12363 return -EINVAL;
12364
12365 conf.bands = bands;
12366 changed |= CFG80211_NAN_CONF_CHANGED_BANDS;
a5a9dcf2
AB		 12367 }
12368
12369 if (!changed)
12370 return -EINVAL;
12371
12372 return rdev_nan_change_conf(rdev, wdev, &conf, changed);
12373}
12374
50bcd31d
AB		 12375void cfg80211_nan_match(struct wireless_dev *wdev,
12376 struct cfg80211_nan_match_params *match, gfp_t gfp)
12377{
12378 struct wiphy *wiphy = wdev->wiphy;
12379 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
12380 struct nlattr *match_attr, *local_func_attr, *peer_func_attr;
12381 struct sk_buff *msg;
12382 void *hdr;
12383
12384 if (WARN_ON(!match->inst_id || !match->peer_inst_id || !match->addr))
12385 return;
12386
12387 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
12388 if (!msg)
12389 return;
12390
12391 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NAN_MATCH);
12392 if (!hdr) {
12393 nlmsg_free(msg);
12394 return;
12395 }
12396
12397 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
12398 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
12399 wdev->netdev->ifindex)) ||
12400 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
12401 NL80211_ATTR_PAD))
12402 goto nla_put_failure;
12403
12404 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, match->cookie,
12405 NL80211_ATTR_PAD) ||
12406 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, match->addr))
12407 goto nla_put_failure;
12408
ae0be8de 12409 match_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_MATCH);
50bcd31d
AB		 12410 if (!match_attr)
12411 goto nla_put_failure;
12412
ae0be8de
MK		 12413 local_func_attr = nla_nest_start_noflag(msg,
12414 NL80211_NAN_MATCH_FUNC_LOCAL);
50bcd31d
AB		 12415 if (!local_func_attr)
12416 goto nla_put_failure;
12417
12418 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->inst_id))
12419 goto nla_put_failure;
12420
12421 nla_nest_end(msg, local_func_attr);
12422
ae0be8de
MK		 12423 peer_func_attr = nla_nest_start_noflag(msg,
12424 NL80211_NAN_MATCH_FUNC_PEER);
50bcd31d
AB		 12425 if (!peer_func_attr)
12426 goto nla_put_failure;
12427
12428 if (nla_put_u8(msg, NL80211_NAN_FUNC_TYPE, match->type) ||
12429 nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->peer_inst_id))
12430 goto nla_put_failure;
12431
12432 if (match->info && match->info_len &&
12433 nla_put(msg, NL80211_NAN_FUNC_SERVICE_INFO, match->info_len,
12434 match->info))
12435 goto nla_put_failure;
12436
12437 nla_nest_end(msg, peer_func_attr);
12438 nla_nest_end(msg, match_attr);
12439 genlmsg_end(msg, hdr);
12440
12441 if (!wdev->owner_nlportid)
12442 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
12443 msg, 0, NL80211_MCGRP_NAN, gfp);
12444 else
12445 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
12446 wdev->owner_nlportid);
12447
12448 return;
12449
12450nla_put_failure:
12451 nlmsg_free(msg);
12452}
12453EXPORT_SYMBOL(cfg80211_nan_match);
12454
368e5a7b
AB		 12455void cfg80211_nan_func_terminated(struct wireless_dev *wdev,
12456 u8 inst_id,
12457 enum nl80211_nan_func_term_reason reason,
12458 u64 cookie, gfp_t gfp)
12459{
12460 struct wiphy *wiphy = wdev->wiphy;
12461 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
12462 struct sk_buff *msg;
12463 struct nlattr *func_attr;
12464 void *hdr;
12465
12466 if (WARN_ON(!inst_id))
12467 return;
12468
12469 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
12470 if (!msg)
12471 return;
12472
12473 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_NAN_FUNCTION);
12474 if (!hdr) {
12475 nlmsg_free(msg);
12476 return;
12477 }
12478
12479 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
12480 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
12481 wdev->netdev->ifindex)) ||
12482 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
12483 NL80211_ATTR_PAD))
12484 goto nla_put_failure;
12485
12486 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
12487 NL80211_ATTR_PAD))
12488 goto nla_put_failure;
12489
ae0be8de 12490 func_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_FUNC);
368e5a7b
AB		 12491 if (!func_attr)
12492 goto nla_put_failure;
12493
12494 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, inst_id) ||
12495 nla_put_u8(msg, NL80211_NAN_FUNC_TERM_REASON, reason))
12496 goto nla_put_failure;
12497
12498 nla_nest_end(msg, func_attr);
12499 genlmsg_end(msg, hdr);
12500
12501 if (!wdev->owner_nlportid)
12502 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
12503 msg, 0, NL80211_MCGRP_NAN, gfp);
12504 else
12505 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
12506 wdev->owner_nlportid);
12507
12508 return;
12509
12510nla_put_failure:
12511 nlmsg_free(msg);
12512}
12513EXPORT_SYMBOL(cfg80211_nan_func_terminated);
12514
3713b4e3
JB		 12515static int nl80211_get_protocol_features(struct sk_buff *skb,
12516 struct genl_info *info)
12517{
12518 void *hdr;
12519 struct sk_buff *msg;
12520
12521 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12522 if (!msg)
12523 return -ENOMEM;
12524
12525 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12526 NL80211_CMD_GET_PROTOCOL_FEATURES);
12527 if (!hdr)
12528 goto nla_put_failure;
12529
12530 if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES,
12531 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP))
12532 goto nla_put_failure;
12533
12534 genlmsg_end(msg, hdr);
12535 return genlmsg_reply(msg, info);
12536
12537 nla_put_failure:
12538 kfree_skb(msg);
12539 return -ENOBUFS;
12540}
12541
355199e0
JM		 12542static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info)
12543{
12544 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12545 struct cfg80211_update_ft_ies_params ft_params;
12546 struct net_device *dev = info->user_ptr[1];
12547
12548 if (!rdev->ops->update_ft_ies)
12549 return -EOPNOTSUPP;
12550
12551 if (!info->attrs[NL80211_ATTR_MDID] ||
3d7af878 12552 !info->attrs[NL80211_ATTR_IE])
355199e0
JM		 12553 return -EINVAL;
12554
12555 memset(&ft_params, 0, sizeof(ft_params));
12556 ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]);
12557 ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
12558 ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
12559
12560 return rdev_update_ft_ies(rdev, dev, &ft_params);
12561}
12562
5de17984
AS		 12563static int nl80211_crit_protocol_start(struct sk_buff *skb,
12564 struct genl_info *info)
12565{
12566 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12567 struct wireless_dev *wdev = info->user_ptr[1];
12568 enum nl80211_crit_proto_id proto = NL80211_CRIT_PROTO_UNSPEC;
12569 u16 duration;
12570 int ret;
12571
12572 if (!rdev->ops->crit_proto_start)
12573 return -EOPNOTSUPP;
12574
12575 if (WARN_ON(!rdev->ops->crit_proto_stop))
12576 return -EINVAL;
12577
12578 if (rdev->crit_proto_nlportid)
12579 return -EBUSY;
12580
12581 /* determine protocol if provided */
12582 if (info->attrs[NL80211_ATTR_CRIT_PROT_ID])
12583 proto = nla_get_u16(info->attrs[NL80211_ATTR_CRIT_PROT_ID]);
12584
12585 if (proto >= NUM_NL80211_CRIT_PROTO)
12586 return -EINVAL;
12587
12588 /* timeout must be provided */
12589 if (!info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION])
12590 return -EINVAL;
12591
12592 duration =
12593 nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]);
12594
12595 if (duration > NL80211_CRIT_PROTO_MAX_DURATION)
12596 return -ERANGE;
12597
12598 ret = rdev_crit_proto_start(rdev, wdev, proto, duration);
12599 if (!ret)
12600 rdev->crit_proto_nlportid = info->snd_portid;
12601
12602 return ret;
12603}
12604
12605static int nl80211_crit_protocol_stop(struct sk_buff *skb,
12606 struct genl_info *info)
12607{
12608 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12609 struct wireless_dev *wdev = info->user_ptr[1];
12610
12611 if (!rdev->ops->crit_proto_stop)
12612 return -EOPNOTSUPP;
12613
12614 if (rdev->crit_proto_nlportid) {
12615 rdev->crit_proto_nlportid = 0;
12616 rdev_crit_proto_stop(rdev, wdev);
12617 }
12618 return 0;
12619}
12620
ad7e718c
JB		 12621static int nl80211_vendor_cmd(struct sk_buff *skb, struct genl_info *info)
12622{
12623 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12624 struct wireless_dev *wdev =
12625 __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs);
12626 int i, err;
12627 u32 vid, subcmd;
12628
12629 if (!rdev->wiphy.vendor_commands)
12630 return -EOPNOTSUPP;
12631
12632 if (IS_ERR(wdev)) {
12633 err = PTR_ERR(wdev);
12634 if (err != -EINVAL)
12635 return err;
12636 wdev = NULL;
12637 } else if (wdev->wiphy != &rdev->wiphy) {
12638 return -EINVAL;
12639 }
12640
12641 if (!info->attrs[NL80211_ATTR_VENDOR_ID] ||
12642 !info->attrs[NL80211_ATTR_VENDOR_SUBCMD])
12643 return -EINVAL;
12644
12645 vid = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_ID]);
12646 subcmd = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_SUBCMD]);
12647 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
12648 const struct wiphy_vendor_command *vcmd;
12649 void *data = NULL;
12650 int len = 0;
12651
12652 vcmd = &rdev->wiphy.vendor_commands[i];
12653
12654 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
12655 continue;
12656
12657 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
12658 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
12659 if (!wdev)
12660 return -EINVAL;
12661 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
12662 !wdev->netdev)
12663 return -EINVAL;
12664
12665 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
73c7da3d 12666 if (!wdev_running(wdev))
ad7e718c
JB		 12667 return -ENETDOWN;
12668 }
7bdbe400
JB		 12669
12670 if (!vcmd->doit)
12671 return -EOPNOTSUPP;
ad7e718c
JB		 12672 } else {
12673 wdev = NULL;
12674 }
12675
12676 if (info->attrs[NL80211_ATTR_VENDOR_DATA]) {
12677 data = nla_data(info->attrs[NL80211_ATTR_VENDOR_DATA]);
12678 len = nla_len(info->attrs[NL80211_ATTR_VENDOR_DATA]);
12679 }
12680
12681 rdev->cur_cmd_info = info;
12682 err = rdev->wiphy.vendor_commands[i].doit(&rdev->wiphy, wdev,
12683 data, len);
12684 rdev->cur_cmd_info = NULL;
12685 return err;
12686 }
12687
12688 return -EOPNOTSUPP;
12689}
12690
7bdbe400
JB		 12691static int nl80211_prepare_vendor_dump(struct sk_buff *skb,
12692 struct netlink_callback *cb,
12693 struct cfg80211_registered_device **rdev,
12694 struct wireless_dev **wdev)
12695{
c90c39da 12696 struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam);
7bdbe400
JB		 12697 u32 vid, subcmd;
12698 unsigned int i;
12699 int vcmd_idx = -1;
12700 int err;
12701 void *data = NULL;
12702 unsigned int data_len = 0;
12703
7bdbe400
JB		 12704 if (cb->args[0]) {
12705 /* subtract the 1 again here */
12706 struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
12707 struct wireless_dev *tmp;
12708
ea90e0dc
JB		 12709 if (!wiphy)
12710 return -ENODEV;
7bdbe400
JB		 12711 *rdev = wiphy_to_rdev(wiphy);
12712 *wdev = NULL;
12713
12714 if (cb->args[1]) {
53873f13 12715 list_for_each_entry(tmp, &wiphy->wdev_list, list) {
7bdbe400
JB		 12716 if (tmp->identifier == cb->args[1] - 1) {
12717 *wdev = tmp;
12718 break;
12719 }
12720 }
12721 }
12722
12723 /* keep rtnl locked in successful case */
12724 return 0;
12725 }
12726
8cb08174
JB		 12727 err = nlmsg_parse_deprecated(cb->nlh,
12728 GENL_HDRLEN + nl80211_fam.hdrsize,
12729 attrbuf, nl80211_fam.maxattr,
12730 nl80211_policy, NULL);
7bdbe400 12731 if (err)
ea90e0dc 12732 return err;
7bdbe400 12733
c90c39da 12734 if (!attrbuf[NL80211_ATTR_VENDOR_ID] ||
ea90e0dc
JB		 12735 !attrbuf[NL80211_ATTR_VENDOR_SUBCMD])
12736 return -EINVAL;
7bdbe400 12737
c90c39da 12738 *wdev = __cfg80211_wdev_from_attrs(sock_net(skb->sk), attrbuf);
7bdbe400
JB		 12739 if (IS_ERR(*wdev))
12740 *wdev = NULL;
12741
c90c39da 12742 *rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
ea90e0dc
JB		 12743 if (IS_ERR(*rdev))
12744 return PTR_ERR(*rdev);
7bdbe400 12745
c90c39da
JB		 12746 vid = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_ID]);
12747 subcmd = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_SUBCMD]);
7bdbe400
JB		 12748
12749 for (i = 0; i < (*rdev)->wiphy.n_vendor_commands; i++) {
12750 const struct wiphy_vendor_command *vcmd;
12751
12752 vcmd = &(*rdev)->wiphy.vendor_commands[i];
12753
12754 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
12755 continue;
12756
ea90e0dc
JB		 12757 if (!vcmd->dumpit)
12758 return -EOPNOTSUPP;
7bdbe400
JB		 12759
12760 vcmd_idx = i;
12761 break;
12762 }
12763
ea90e0dc
JB		 12764 if (vcmd_idx < 0)
12765 return -EOPNOTSUPP;
7bdbe400 12766
c90c39da
JB		 12767 if (attrbuf[NL80211_ATTR_VENDOR_DATA]) {
12768 data = nla_data(attrbuf[NL80211_ATTR_VENDOR_DATA]);
12769 data_len = nla_len(attrbuf[NL80211_ATTR_VENDOR_DATA]);
7bdbe400
JB		 12770 }
12771
12772 /* 0 is the first index - add 1 to parse only once */
12773 cb->args[0] = (*rdev)->wiphy_idx + 1;
12774 /* add 1 to know if it was NULL */
12775 cb->args[1] = *wdev ? (*wdev)->identifier + 1 : 0;
12776 cb->args[2] = vcmd_idx;
12777 cb->args[3] = (unsigned long)data;
12778 cb->args[4] = data_len;
12779
12780 /* keep rtnl locked in successful case */
12781 return 0;
7bdbe400
JB		 12782}
12783
12784static int nl80211_vendor_cmd_dump(struct sk_buff *skb,
12785 struct netlink_callback *cb)
12786{
12787 struct cfg80211_registered_device *rdev;
12788 struct wireless_dev *wdev;
12789 unsigned int vcmd_idx;
12790 const struct wiphy_vendor_command *vcmd;
12791 void *data;
12792 int data_len;
12793 int err;
12794 struct nlattr *vendor_data;
12795
ea90e0dc 12796 rtnl_lock();
7bdbe400
JB		 12797 err = nl80211_prepare_vendor_dump(skb, cb, &rdev, &wdev);
12798 if (err)
ea90e0dc 12799 goto out;
7bdbe400
JB		 12800
12801 vcmd_idx = cb->args[2];
12802 data = (void *)cb->args[3];
12803 data_len = cb->args[4];
12804 vcmd = &rdev->wiphy.vendor_commands[vcmd_idx];
12805
12806 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
12807 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
ea90e0dc
JB		 12808 if (!wdev) {
12809 err = -EINVAL;
12810 goto out;
12811 }
7bdbe400 12812 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
ea90e0dc
JB		 12813 !wdev->netdev) {
12814 err = -EINVAL;
12815 goto out;
12816 }
7bdbe400
JB		 12817
12818 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
ea90e0dc
JB		 12819 if (!wdev_running(wdev)) {
12820 err = -ENETDOWN;
12821 goto out;
12822 }
7bdbe400
JB		 12823 }
12824 }
12825
12826 while (1) {
12827 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
12828 cb->nlh->nlmsg_seq, NLM_F_MULTI,
12829 NL80211_CMD_VENDOR);
12830 if (!hdr)
12831 break;
12832
12833 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
2dad624e
ND		 12834 (wdev && nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
12835 wdev_id(wdev),
12836 NL80211_ATTR_PAD))) {
7bdbe400
JB		 12837 genlmsg_cancel(skb, hdr);
12838 break;
12839 }
12840
ae0be8de
MK		 12841 vendor_data = nla_nest_start_noflag(skb,
12842 NL80211_ATTR_VENDOR_DATA);
7bdbe400
JB		 12843 if (!vendor_data) {
12844 genlmsg_cancel(skb, hdr);
12845 break;
12846 }
12847
12848 err = vcmd->dumpit(&rdev->wiphy, wdev, skb, data, data_len,
12849 (unsigned long *)&cb->args[5]);
12850 nla_nest_end(skb, vendor_data);
12851
12852 if (err == -ENOBUFS || err == -ENOENT) {
12853 genlmsg_cancel(skb, hdr);
12854 break;
12855 } else if (err) {
12856 genlmsg_cancel(skb, hdr);
12857 goto out;
12858 }
12859
12860 genlmsg_end(skb, hdr);
12861 }
12862
12863 err = skb->len;
12864 out:
12865 rtnl_unlock();
12866 return err;
12867}
12868
ad7e718c
JB		 12869struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy,
12870 enum nl80211_commands cmd,
12871 enum nl80211_attrs attr,
12872 int approxlen)
12873{
f26cbf40 12874 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
ad7e718c
JB		 12875
12876 if (WARN_ON(!rdev->cur_cmd_info))
12877 return NULL;
12878
6c09e791 12879 return __cfg80211_alloc_vendor_skb(rdev, NULL, approxlen,
ad7e718c
JB		 12880 rdev->cur_cmd_info->snd_portid,
12881 rdev->cur_cmd_info->snd_seq,
567ffc35 12882 cmd, attr, NULL, GFP_KERNEL);
ad7e718c
JB		 12883}
12884EXPORT_SYMBOL(__cfg80211_alloc_reply_skb);
12885
12886int cfg80211_vendor_cmd_reply(struct sk_buff *skb)
12887{
12888 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
12889 void *hdr = ((void **)skb->cb)[1];
12890 struct nlattr *data = ((void **)skb->cb)[2];
12891
bd8c78e7
JB		 12892 /* clear CB data for netlink core to own from now on */
12893 memset(skb->cb, 0, sizeof(skb->cb));
12894
ad7e718c
JB		 12895 if (WARN_ON(!rdev->cur_cmd_info)) {
12896 kfree_skb(skb);
12897 return -EINVAL;
12898 }
12899
12900 nla_nest_end(skb, data);
12901 genlmsg_end(skb, hdr);
12902 return genlmsg_reply(skb, rdev->cur_cmd_info);
12903}
12904EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply);
12905
55c1fdf0
JB		 12906unsigned int cfg80211_vendor_cmd_get_sender(struct wiphy *wiphy)
12907{
12908 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
12909
12910 if (WARN_ON(!rdev->cur_cmd_info))
12911 return 0;
12912
12913 return rdev->cur_cmd_info->snd_portid;
12914}
12915EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_get_sender);
12916
fa9ffc74
KP		 12917static int nl80211_set_qos_map(struct sk_buff *skb,
12918 struct genl_info *info)
12919{
12920 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12921 struct cfg80211_qos_map *qos_map = NULL;
12922 struct net_device *dev = info->user_ptr[1];
12923 u8 *pos, len, num_des, des_len, des;
12924 int ret;
12925
12926 if (!rdev->ops->set_qos_map)
12927 return -EOPNOTSUPP;
12928
12929 if (info->attrs[NL80211_ATTR_QOS_MAP]) {
12930 pos = nla_data(info->attrs[NL80211_ATTR_QOS_MAP]);
12931 len = nla_len(info->attrs[NL80211_ATTR_QOS_MAP]);
12932
12933 if (len % 2 || len < IEEE80211_QOS_MAP_LEN_MIN ||
12934 len > IEEE80211_QOS_MAP_LEN_MAX)
12935 return -EINVAL;
12936
12937 qos_map = kzalloc(sizeof(struct cfg80211_qos_map), GFP_KERNEL);
12938 if (!qos_map)
12939 return -ENOMEM;
12940
12941 num_des = (len - IEEE80211_QOS_MAP_LEN_MIN) >> 1;
12942 if (num_des) {
12943 des_len = num_des *
12944 sizeof(struct cfg80211_dscp_exception);
12945 memcpy(qos_map->dscp_exception, pos, des_len);
12946 qos_map->num_des = num_des;
12947 for (des = 0; des < num_des; des++) {
12948 if (qos_map->dscp_exception[des].up > 7) {
12949 kfree(qos_map);
12950 return -EINVAL;
12951 }
12952 }
12953 pos += des_len;
12954 }
12955 memcpy(qos_map->up, pos, IEEE80211_QOS_MAP_LEN_MIN);
12956 }
12957
12958 wdev_lock(dev->ieee80211_ptr);
12959 ret = nl80211_key_allowed(dev->ieee80211_ptr);
12960 if (!ret)
12961 ret = rdev_set_qos_map(rdev, dev, qos_map);
12962 wdev_unlock(dev->ieee80211_ptr);
12963
12964 kfree(qos_map);
12965 return ret;
12966}
12967
960d01ac
JB		 12968static int nl80211_add_tx_ts(struct sk_buff *skb, struct genl_info *info)
12969{
12970 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12971 struct net_device *dev = info->user_ptr[1];
12972 struct wireless_dev *wdev = dev->ieee80211_ptr;
12973 const u8 *peer;
12974 u8 tsid, up;
12975 u16 admitted_time = 0;
12976 int err;
12977
723e73ac 12978 if (!(rdev->wiphy.features & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION))
960d01ac
JB		 12979 return -EOPNOTSUPP;
12980
12981 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC] ||
12982 !info->attrs[NL80211_ATTR_USER_PRIO])
12983 return -EINVAL;
12984
12985 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
960d01ac 12986 up = nla_get_u8(info->attrs[NL80211_ATTR_USER_PRIO]);
960d01ac
JB		 12987
12988 /* WMM uses TIDs 0-7 even for TSPEC */
723e73ac 12989 if (tsid >= IEEE80211_FIRST_TSPEC_TSID) {
960d01ac 12990 /* TODO: handle 802.11 TSPEC/admission control
723e73ac
JB		 12991 * need more attributes for that (e.g. BA session requirement);
12992 * change the WMM adminssion test above to allow both then
960d01ac
JB		 12993 */
12994 return -EINVAL;
12995 }
12996
12997 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
12998
12999 if (info->attrs[NL80211_ATTR_ADMITTED_TIME]) {
13000 admitted_time =
13001 nla_get_u16(info->attrs[NL80211_ATTR_ADMITTED_TIME]);
13002 if (!admitted_time)
13003 return -EINVAL;
13004 }
13005
13006 wdev_lock(wdev);
13007 switch (wdev->iftype) {
13008 case NL80211_IFTYPE_STATION:
13009 case NL80211_IFTYPE_P2P_CLIENT:
13010 if (wdev->current_bss)
13011 break;
13012 err = -ENOTCONN;
13013 goto out;
13014 default:
13015 err = -EOPNOTSUPP;
13016 goto out;
13017 }
13018
13019 err = rdev_add_tx_ts(rdev, dev, tsid, peer, up, admitted_time);
13020
13021 out:
13022 wdev_unlock(wdev);
13023 return err;
13024}
13025
13026static int nl80211_del_tx_ts(struct sk_buff *skb, struct genl_info *info)
13027{
13028 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13029 struct net_device *dev = info->user_ptr[1];
13030 struct wireless_dev *wdev = dev->ieee80211_ptr;
13031 const u8 *peer;
13032 u8 tsid;
13033 int err;
13034
13035 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC])
13036 return -EINVAL;
13037
13038 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
13039 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
13040
13041 wdev_lock(wdev);
13042 err = rdev_del_tx_ts(rdev, dev, tsid, peer);
13043 wdev_unlock(wdev);
13044
13045 return err;
13046}
13047
1057d35e
AN		 13048static int nl80211_tdls_channel_switch(struct sk_buff *skb,
13049 struct genl_info *info)
13050{
13051 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13052 struct net_device *dev = info->user_ptr[1];
13053 struct wireless_dev *wdev = dev->ieee80211_ptr;
13054 struct cfg80211_chan_def chandef = {};
13055 const u8 *addr;
13056 u8 oper_class;
13057 int err;
13058
13059 if (!rdev->ops->tdls_channel_switch ||
13060 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
13061 return -EOPNOTSUPP;
13062
13063 switch (dev->ieee80211_ptr->iftype) {
13064 case NL80211_IFTYPE_STATION:
13065 case NL80211_IFTYPE_P2P_CLIENT:
13066 break;
13067 default:
13068 return -EOPNOTSUPP;
13069 }
13070
13071 if (!info->attrs[NL80211_ATTR_MAC] ||
13072 !info->attrs[NL80211_ATTR_OPER_CLASS])
13073 return -EINVAL;
13074
13075 err = nl80211_parse_chandef(rdev, info, &chandef);
13076 if (err)
13077 return err;
13078
13079 /*
13080 * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012
13081 * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the
13082 * specification is not defined for them.
13083 */
57fbcce3 13084 if (chandef.chan->band == NL80211_BAND_2GHZ &&
1057d35e
AN		 13085 chandef.width != NL80211_CHAN_WIDTH_20_NOHT &&
13086 chandef.width != NL80211_CHAN_WIDTH_20)
13087 return -EINVAL;
13088
13089 /* we will be active on the TDLS link */
923b352f
AN		 13090 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
13091 wdev->iftype))
1057d35e
AN		 13092 return -EINVAL;
13093
13094 /* don't allow switching to DFS channels */
13095 if (cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, wdev->iftype))
13096 return -EINVAL;
13097
13098 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
13099 oper_class = nla_get_u8(info->attrs[NL80211_ATTR_OPER_CLASS]);
13100
13101 wdev_lock(wdev);
13102 err = rdev_tdls_channel_switch(rdev, dev, addr, oper_class, &chandef);
13103 wdev_unlock(wdev);
13104
13105 return err;
13106}
13107
13108static int nl80211_tdls_cancel_channel_switch(struct sk_buff *skb,
13109 struct genl_info *info)
13110{
13111 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13112 struct net_device *dev = info->user_ptr[1];
13113 struct wireless_dev *wdev = dev->ieee80211_ptr;
13114 const u8 *addr;
13115
13116 if (!rdev->ops->tdls_channel_switch ||
13117 !rdev->ops->tdls_cancel_channel_switch ||
13118 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
13119 return -EOPNOTSUPP;
13120
13121 switch (dev->ieee80211_ptr->iftype) {
13122 case NL80211_IFTYPE_STATION:
13123 case NL80211_IFTYPE_P2P_CLIENT:
13124 break;
13125 default:
13126 return -EOPNOTSUPP;
13127 }
13128
13129 if (!info->attrs[NL80211_ATTR_MAC])
13130 return -EINVAL;
13131
13132 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
13133
13134 wdev_lock(wdev);
13135 rdev_tdls_cancel_channel_switch(rdev, dev, addr);
13136 wdev_unlock(wdev);
13137
13138 return 0;
13139}
13140
ce0ce13a
MB		 13141static int nl80211_set_multicast_to_unicast(struct sk_buff *skb,
13142 struct genl_info *info)
13143{
13144 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13145 struct net_device *dev = info->user_ptr[1];
13146 struct wireless_dev *wdev = dev->ieee80211_ptr;
13147 const struct nlattr *nla;
13148 bool enabled;
13149
ce0ce13a
MB		 13150 if (!rdev->ops->set_multicast_to_unicast)
13151 return -EOPNOTSUPP;
13152
13153 if (wdev->iftype != NL80211_IFTYPE_AP &&
13154 wdev->iftype != NL80211_IFTYPE_P2P_GO)
13155 return -EOPNOTSUPP;
13156
13157 nla = info->attrs[NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED];
13158 enabled = nla_get_flag(nla);
13159
13160 return rdev_set_multicast_to_unicast(rdev, dev, enabled);
13161}
13162
3a00df57
AS		 13163static int nl80211_set_pmk(struct sk_buff *skb, struct genl_info *info)
13164{
13165 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13166 struct net_device *dev = info->user_ptr[1];
13167 struct wireless_dev *wdev = dev->ieee80211_ptr;
13168 struct cfg80211_pmk_conf pmk_conf = {};
13169 int ret;
13170
13171 if (wdev->iftype != NL80211_IFTYPE_STATION &&
13172 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
13173 return -EOPNOTSUPP;
13174
13175 if (!wiphy_ext_feature_isset(&rdev->wiphy,
13176 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
13177 return -EOPNOTSUPP;
13178
13179 if (!info->attrs[NL80211_ATTR_MAC] || !info->attrs[NL80211_ATTR_PMK])
13180 return -EINVAL;
13181
13182 wdev_lock(wdev);
13183 if (!wdev->current_bss) {
13184 ret = -ENOTCONN;
13185 goto out;
13186 }
13187
13188 pmk_conf.aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
13189 if (memcmp(pmk_conf.aa, wdev->current_bss->pub.bssid, ETH_ALEN)) {
13190 ret = -EINVAL;
13191 goto out;
13192 }
13193
13194 pmk_conf.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
13195 pmk_conf.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
13196 if (pmk_conf.pmk_len != WLAN_PMK_LEN &&
13197 pmk_conf.pmk_len != WLAN_PMK_LEN_SUITE_B_192) {
13198 ret = -EINVAL;
13199 goto out;
13200 }
13201
13202 if (info->attrs[NL80211_ATTR_PMKR0_NAME]) {
13203 int r0_name_len = nla_len(info->attrs[NL80211_ATTR_PMKR0_NAME]);
13204
13205 if (r0_name_len != WLAN_PMK_NAME_LEN) {
13206 ret = -EINVAL;
13207 goto out;
13208 }
13209
13210 pmk_conf.pmk_r0_name =
13211 nla_data(info->attrs[NL80211_ATTR_PMKR0_NAME]);
13212 }
13213
13214 ret = rdev_set_pmk(rdev, dev, &pmk_conf);
13215out:
13216 wdev_unlock(wdev);
13217 return ret;
13218}
13219
13220static int nl80211_del_pmk(struct sk_buff *skb, struct genl_info *info)
13221{
13222 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13223 struct net_device *dev = info->user_ptr[1];
13224 struct wireless_dev *wdev = dev->ieee80211_ptr;
13225 const u8 *aa;
13226 int ret;
13227
13228 if (wdev->iftype != NL80211_IFTYPE_STATION &&
13229 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
13230 return -EOPNOTSUPP;
13231
13232 if (!wiphy_ext_feature_isset(&rdev->wiphy,
13233 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
13234 return -EOPNOTSUPP;
13235
13236 if (!info->attrs[NL80211_ATTR_MAC])
13237 return -EINVAL;
13238
13239 wdev_lock(wdev);
13240 aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
13241 ret = rdev_del_pmk(rdev, dev, aa);
13242 wdev_unlock(wdev);
13243
13244 return ret;
13245}
13246
40cbfa90
SD		 13247static int nl80211_external_auth(struct sk_buff *skb, struct genl_info *info)
13248{
13249 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13250 struct net_device *dev = info->user_ptr[1];
13251 struct cfg80211_external_auth_params params;
13252
db8d93a7 13253 if (!rdev->ops->external_auth)
40cbfa90
SD		 13254 return -EOPNOTSUPP;
13255
fe494370
SD		 13256 if (!info->attrs[NL80211_ATTR_SSID] &&
13257 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
13258 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
40cbfa90
SD		 13259 return -EINVAL;
13260
13261 if (!info->attrs[NL80211_ATTR_BSSID])
13262 return -EINVAL;
13263
13264 if (!info->attrs[NL80211_ATTR_STATUS_CODE])
13265 return -EINVAL;
13266
13267 memset(&params, 0, sizeof(params));
13268
fe494370
SD		 13269 if (info->attrs[NL80211_ATTR_SSID]) {
13270 params.ssid.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
13271 if (params.ssid.ssid_len == 0 ||
13272 params.ssid.ssid_len > IEEE80211_MAX_SSID_LEN)
13273 return -EINVAL;
13274 memcpy(params.ssid.ssid,
13275 nla_data(info->attrs[NL80211_ATTR_SSID]),
13276 params.ssid.ssid_len);
13277 }
40cbfa90
SD		 13278
13279 memcpy(params.bssid, nla_data(info->attrs[NL80211_ATTR_BSSID]),
13280 ETH_ALEN);
13281
13282 params.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
13283
fe494370
SD		 13284 if (info->attrs[NL80211_ATTR_PMKID])
13285 params.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
13286
40cbfa90
SD		 13287 return rdev_external_auth(rdev, dev, &params);
13288}
13289
2576a9ac
DK		 13290static int nl80211_tx_control_port(struct sk_buff *skb, struct genl_info *info)
13291{
13292 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13293 struct net_device *dev = info->user_ptr[1];
13294 struct wireless_dev *wdev = dev->ieee80211_ptr;
13295 const u8 *buf;
13296 size_t len;
13297 u8 *dest;
13298 u16 proto;
13299 bool noencrypt;
13300 int err;
13301
13302 if (!wiphy_ext_feature_isset(&rdev->wiphy,
13303 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
13304 return -EOPNOTSUPP;
13305
13306 if (!rdev->ops->tx_control_port)
13307 return -EOPNOTSUPP;
13308
13309 if (!info->attrs[NL80211_ATTR_FRAME] ||
13310 !info->attrs[NL80211_ATTR_MAC] ||
13311 !info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
13312 GENL_SET_ERR_MSG(info, "Frame, MAC or ethertype missing");
13313 return -EINVAL;
13314 }
13315
13316 wdev_lock(wdev);
13317
13318 switch (wdev->iftype) {
13319 case NL80211_IFTYPE_AP:
13320 case NL80211_IFTYPE_P2P_GO:
13321 case NL80211_IFTYPE_MESH_POINT:
13322 break;
13323 case NL80211_IFTYPE_ADHOC:
13324 case NL80211_IFTYPE_STATION:
13325 case NL80211_IFTYPE_P2P_CLIENT:
13326 if (wdev->current_bss)
13327 break;
13328 err = -ENOTCONN;
13329 goto out;
13330 default:
13331 err = -EOPNOTSUPP;
13332 goto out;
13333 }
13334
13335 wdev_unlock(wdev);
13336
13337 buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
13338 len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
13339 dest = nla_data(info->attrs[NL80211_ATTR_MAC]);
13340 proto = nla_get_u16(info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
13341 noencrypt =
13342 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]);
13343
13344 return rdev_tx_control_port(rdev, dev, buf, len,
13345 dest, cpu_to_be16(proto), noencrypt);
13346
13347 out:
13348 wdev_unlock(wdev);
13349 return err;
13350}
13351
81e54d08
PKC		 13352static int nl80211_get_ftm_responder_stats(struct sk_buff *skb,
13353 struct genl_info *info)
13354{
13355 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13356 struct net_device *dev = info->user_ptr[1];
13357 struct wireless_dev *wdev = dev->ieee80211_ptr;
13358 struct cfg80211_ftm_responder_stats ftm_stats = {};
13359 struct sk_buff *msg;
13360 void *hdr;
13361 struct nlattr *ftm_stats_attr;
13362 int err;
13363
13364 if (wdev->iftype != NL80211_IFTYPE_AP || !wdev->beacon_interval)
13365 return -EOPNOTSUPP;
13366
13367 err = rdev_get_ftm_responder_stats(rdev, dev, &ftm_stats);
13368 if (err)
13369 return err;
13370
13371 if (!ftm_stats.filled)
13372 return -ENODATA;
13373
13374 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
13375 if (!msg)
13376 return -ENOMEM;
13377
13378 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
13379 NL80211_CMD_GET_FTM_RESPONDER_STATS);
13380 if (!hdr)
13381 return -ENOBUFS;
13382
13383 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
13384 goto nla_put_failure;
13385
ae0be8de
MK		 13386 ftm_stats_attr = nla_nest_start_noflag(msg,
13387 NL80211_ATTR_FTM_RESPONDER_STATS);
81e54d08
PKC		 13388 if (!ftm_stats_attr)
13389 goto nla_put_failure;
13390
13391#define SET_FTM(field, name, type) \
13392 do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
13393 nla_put_ ## type(msg, NL80211_FTM_STATS_ ## name, \
13394 ftm_stats.field)) \
13395 goto nla_put_failure; } while (0)
13396#define SET_FTM_U64(field, name) \
13397 do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
13398 nla_put_u64_64bit(msg, NL80211_FTM_STATS_ ## name, \
13399 ftm_stats.field, NL80211_FTM_STATS_PAD)) \
13400 goto nla_put_failure; } while (0)
13401
13402 SET_FTM(success_num, SUCCESS_NUM, u32);
13403 SET_FTM(partial_num, PARTIAL_NUM, u32);
13404 SET_FTM(failed_num, FAILED_NUM, u32);
13405 SET_FTM(asap_num, ASAP_NUM, u32);
13406 SET_FTM(non_asap_num, NON_ASAP_NUM, u32);
13407 SET_FTM_U64(total_duration_ms, TOTAL_DURATION_MSEC);
13408 SET_FTM(unknown_triggers_num, UNKNOWN_TRIGGERS_NUM, u32);
13409 SET_FTM(reschedule_requests_num, RESCHEDULE_REQUESTS_NUM, u32);
13410 SET_FTM(out_of_window_triggers_num, OUT_OF_WINDOW_TRIGGERS_NUM, u32);
13411#undef SET_FTM
13412
13413 nla_nest_end(msg, ftm_stats_attr);
13414
13415 genlmsg_end(msg, hdr);
13416 return genlmsg_reply(msg, info);
13417
13418nla_put_failure:
13419 nlmsg_free(msg);
13420 return -ENOBUFS;
13421}
13422
cb74e977
SD		 13423static int nl80211_update_owe_info(struct sk_buff *skb, struct genl_info *info)
13424{
13425 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13426 struct cfg80211_update_owe_info owe_info;
13427 struct net_device *dev = info->user_ptr[1];
13428
13429 if (!rdev->ops->update_owe_info)
13430 return -EOPNOTSUPP;
13431
13432 if (!info->attrs[NL80211_ATTR_STATUS_CODE] ||
13433 !info->attrs[NL80211_ATTR_MAC])
13434 return -EINVAL;
13435
13436 memset(&owe_info, 0, sizeof(owe_info));
13437 owe_info.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
13438 nla_memcpy(owe_info.peer, info->attrs[NL80211_ATTR_MAC], ETH_ALEN);
13439
13440 if (info->attrs[NL80211_ATTR_IE]) {
13441 owe_info.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
13442 owe_info.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
13443 }
13444
13445 return rdev_update_owe_info(rdev, dev, &owe_info);
13446}
13447
5ab92e7f
RM		 13448static int nl80211_probe_mesh_link(struct sk_buff *skb, struct genl_info *info)
13449{
13450 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13451 struct net_device *dev = info->user_ptr[1];
13452 struct wireless_dev *wdev = dev->ieee80211_ptr;
13453 struct station_info sinfo = {};
13454 const u8 *buf;
13455 size_t len;
13456 u8 *dest;
13457 int err;
13458
13459 if (!rdev->ops->probe_mesh_link || !rdev->ops->get_station)
13460 return -EOPNOTSUPP;
13461
13462 if (!info->attrs[NL80211_ATTR_MAC] ||
13463 !info->attrs[NL80211_ATTR_FRAME]) {
13464 GENL_SET_ERR_MSG(info, "Frame or MAC missing");
13465 return -EINVAL;
13466 }
13467
13468 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
13469 return -EOPNOTSUPP;
13470
13471 dest = nla_data(info->attrs[NL80211_ATTR_MAC]);
13472 buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
13473 len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
13474
13475 if (len < sizeof(struct ethhdr))
13476 return -EINVAL;
13477
13478 if (!ether_addr_equal(buf, dest) || is_multicast_ether_addr(buf) ||
13479 !ether_addr_equal(buf + ETH_ALEN, dev->dev_addr))
13480 return -EINVAL;
13481
13482 err = rdev_get_station(rdev, dev, dest, &sinfo);
13483 if (err)
13484 return err;
13485
13486 return rdev_probe_mesh_link(rdev, dev, dest, buf, len);
13487}
13488
4c476991
JB		 13489#define NL80211_FLAG_NEED_WIPHY 0x01
13490#define NL80211_FLAG_NEED_NETDEV 0x02
13491#define NL80211_FLAG_NEED_RTNL 0x04
41265714
JB		 13492#define NL80211_FLAG_CHECK_NETDEV_UP 0x08
13493#define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
13494 NL80211_FLAG_CHECK_NETDEV_UP)
1bf614ef 13495#define NL80211_FLAG_NEED_WDEV 0x10
98104fde 13496/* If a netdev is associated, it must be UP, P2P must be started */
1bf614ef
JB		 13497#define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
13498 NL80211_FLAG_CHECK_NETDEV_UP)
5393b917 13499#define NL80211_FLAG_CLEAR_SKB 0x20
4c476991 13500
f84f771d 13501static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb,
4c476991
JB		 13502 struct genl_info *info)
13503{
13504 struct cfg80211_registered_device *rdev;
89a54e48 13505 struct wireless_dev *wdev;
4c476991 13506 struct net_device *dev;
4c476991
JB		 13507 bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL;
13508
13509 if (rtnl)
13510 rtnl_lock();
13511
13512 if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) {
4f7eff10 13513 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
4c476991
JB		 13514 if (IS_ERR(rdev)) {
13515 if (rtnl)
13516 rtnl_unlock();
13517 return PTR_ERR(rdev);
13518 }
13519 info->user_ptr[0] = rdev;
1bf614ef
JB		 13520 } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV ||
13521 ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
5fe231e8
JB		 13522 ASSERT_RTNL();
13523
89a54e48
JB		 13524 wdev = __cfg80211_wdev_from_attrs(genl_info_net(info),
13525 info->attrs);
13526 if (IS_ERR(wdev)) {
4c476991
JB		 13527 if (rtnl)
13528 rtnl_unlock();
89a54e48 13529 return PTR_ERR(wdev);
4c476991 13530 }
89a54e48 13531
89a54e48 13532 dev = wdev->netdev;
f26cbf40 13533 rdev = wiphy_to_rdev(wdev->wiphy);
89a54e48 13534
1bf614ef
JB		 13535 if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) {
13536 if (!dev) {
1bf614ef
JB		 13537 if (rtnl)
13538 rtnl_unlock();
13539 return -EINVAL;
13540 }
13541
13542 info->user_ptr[1] = dev;
13543 } else {
13544 info->user_ptr[1] = wdev;
41265714 13545 }
1bf614ef 13546
73c7da3d
AVS		 13547 if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP &&
13548 !wdev_running(wdev)) {
13549 if (rtnl)
13550 rtnl_unlock();
13551 return -ENETDOWN;
13552 }
1bf614ef 13553
73c7da3d 13554 if (dev)
1bf614ef 13555 dev_hold(dev);
89a54e48 13556
4c476991 13557 info->user_ptr[0] = rdev;
4c476991
JB		 13558 }
13559
13560 return 0;
13561}
13562
f84f771d 13563static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb,
4c476991
JB		 13564 struct genl_info *info)
13565{
1bf614ef
JB		 13566 if (info->user_ptr[1]) {
13567 if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
13568 struct wireless_dev *wdev = info->user_ptr[1];
13569
13570 if (wdev->netdev)
13571 dev_put(wdev->netdev);
13572 } else {
13573 dev_put(info->user_ptr[1]);
13574 }
13575 }
5393b917 13576
4c476991
JB		 13577 if (ops->internal_flags & NL80211_FLAG_NEED_RTNL)
13578 rtnl_unlock();
5393b917
JB		 13579
13580 /* If needed, clear the netlink message payload from the SKB
13581 * as it might contain key data that shouldn't stick around on
13582 * the heap after the SKB is freed. The netlink message header
13583 * is still needed for further processing, so leave it intact.
13584 */
13585 if (ops->internal_flags & NL80211_FLAG_CLEAR_SKB) {
13586 struct nlmsghdr *nlh = nlmsg_hdr(skb);
13587
13588 memset(nlmsg_data(nlh), 0, nlmsg_len(nlh));
13589 }
4c476991
JB		 13590}
13591
4534de83 13592static const struct genl_ops nl80211_ops[] = {
55682965
JB		 13593 {
13594 .cmd = NL80211_CMD_GET_WIPHY,
ef6243ac 13595 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
55682965
JB		 13596 .doit = nl80211_get_wiphy,
13597 .dumpit = nl80211_dump_wiphy,
86e8cf98 13598 .done = nl80211_dump_wiphy_done,
55682965 13599 /* can be retrieved by unprivileged users */
5fe231e8
JB		 13600 .internal_flags = NL80211_FLAG_NEED_WIPHY |
13601 NL80211_FLAG_NEED_RTNL,
55682965
JB		 13602 },
13603 {
13604 .cmd = NL80211_CMD_SET_WIPHY,
ef6243ac 13605 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
55682965 13606 .doit = nl80211_set_wiphy,
5617c6cd 13607 .flags = GENL_UNS_ADMIN_PERM,
4c476991 13608 .internal_flags = NL80211_FLAG_NEED_RTNL,
55682965
JB		 13609 },
13610 {
13611 .cmd = NL80211_CMD_GET_INTERFACE,
ef6243ac 13612 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
55682965
JB		 13613 .doit = nl80211_get_interface,
13614 .dumpit = nl80211_dump_interface,
55682965 13615 /* can be retrieved by unprivileged users */
5fe231e8
JB		 13616 .internal_flags = NL80211_FLAG_NEED_WDEV |
13617 NL80211_FLAG_NEED_RTNL,
55682965
JB		 13618 },
13619 {
13620 .cmd = NL80211_CMD_SET_INTERFACE,
ef6243ac 13621 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
55682965 13622 .doit = nl80211_set_interface,
5617c6cd 13623 .flags = GENL_UNS_ADMIN_PERM,
4c476991
JB		 13624 .internal_flags = NL80211_FLAG_NEED_NETDEV |
13625 NL80211_FLAG_NEED_RTNL,
55682965
JB		 13626 },
13627 {
13628 .cmd = NL80211_CMD_NEW_INTERFACE,
ef6243ac 13629 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
55682965 13630 .doit = nl80211_new_interface,
5617c6cd 13631 .flags = GENL_UNS_ADMIN_PERM,
4c476991
JB		 13632 .internal_flags = NL80211_FLAG_NEED_WIPHY |
13633 NL80211_FLAG_NEED_RTNL,
55682965
JB		 13634 },
13635 {
13636 .cmd = NL80211_CMD_DEL_INTERFACE,
ef6243ac 13637 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
55682965 13638 .doit = nl80211_del_interface,
5617c6cd 13639 .flags = GENL_UNS_ADMIN_PERM,
84efbb84 13640 .internal_flags = NL80211_FLAG_NEED_WDEV |
4c476991 13641 NL80211_FLAG_NEED_RTNL,
41ade00f
JB		 13642 },
13643 {
13644 .cmd = NL80211_CMD_GET_KEY,
ef6243ac 13645 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
41ade00f 13646 .doit = nl80211_get_key,
5617c6cd 13647 .flags = GENL_UNS_ADMIN_PERM,
2b5f8b0b 13648 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 13649 NL80211_FLAG_NEED_RTNL,
41ade00f
JB		 13650 },
13651 {
13652 .cmd = NL80211_CMD_SET_KEY,
ef6243ac 13653 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
41ade00f 13654 .doit = nl80211_set_key,
5617c6cd 13655 .flags = GENL_UNS_ADMIN_PERM,
41265714 13656 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
5393b917
JB		 13657 NL80211_FLAG_NEED_RTNL |
13658 NL80211_FLAG_CLEAR_SKB,
41ade00f
JB		 13659 },
13660 {
13661 .cmd = NL80211_CMD_NEW_KEY,
ef6243ac 13662 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
41ade00f 13663 .doit = nl80211_new_key,
5617c6cd 13664 .flags = GENL_UNS_ADMIN_PERM,
41265714 13665 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
5393b917
JB		 13666 NL80211_FLAG_NEED_RTNL |
13667 NL80211_FLAG_CLEAR_SKB,
41ade00f
JB		 13668 },
13669 {
13670 .cmd = NL80211_CMD_DEL_KEY,
ef6243ac 13671 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
41ade00f 13672 .doit = nl80211_del_key,
5617c6cd 13673 .flags = GENL_UNS_ADMIN_PERM,
41265714 13674 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 13675 NL80211_FLAG_NEED_RTNL,
55682965 13676 },
ed1b6cc7
JB		 13677 {
13678 .cmd = NL80211_CMD_SET_BEACON,
ef6243ac 13679 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5617c6cd 13680 .flags = GENL_UNS_ADMIN_PERM,
8860020e 13681 .doit = nl80211_set_beacon,
2b5f8b0b 13682 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 13683 NL80211_FLAG_NEED_RTNL,
ed1b6cc7
JB		 13684 },
13685 {
8860020e 13686 .cmd = NL80211_CMD_START_AP,
ef6243ac 13687 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5617c6cd 13688 .flags = GENL_UNS_ADMIN_PERM,
8860020e 13689 .doit = nl80211_start_ap,
2b5f8b0b 13690 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 13691 NL80211_FLAG_NEED_RTNL,
ed1b6cc7
JB		 13692 },
13693 {
8860020e 13694 .cmd = NL80211_CMD_STOP_AP,
ef6243ac 13695 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5617c6cd 13696 .flags = GENL_UNS_ADMIN_PERM,
8860020e 13697 .doit = nl80211_stop_ap,
2b5f8b0b 13698 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 13699 NL80211_FLAG_NEED_RTNL,
ed1b6cc7 13700 },
5727ef1b
JB		 13701 {
13702 .cmd = NL80211_CMD_GET_STATION,
ef6243ac 13703 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5727ef1b 13704 .doit = nl80211_get_station,
2ec600d6 13705 .dumpit = nl80211_dump_station,
4c476991
JB		 13706 .internal_flags = NL80211_FLAG_NEED_NETDEV |
13707 NL80211_FLAG_NEED_RTNL,
5727ef1b
JB		 13708 },
13709 {
13710 .cmd = NL80211_CMD_SET_STATION,
ef6243ac 13711 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5727ef1b 13712 .doit = nl80211_set_station,
5617c6cd 13713 .flags = GENL_UNS_ADMIN_PERM,
2b5f8b0b 13714 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 13715 NL80211_FLAG_NEED_RTNL,
5727ef1b
JB		 13716 },
13717 {
13718 .cmd = NL80211_CMD_NEW_STATION,
ef6243ac 13719 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5727ef1b 13720 .doit = nl80211_new_station,
5617c6cd 13721 .flags = GENL_UNS_ADMIN_PERM,
41265714 13722 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 13723 NL80211_FLAG_NEED_RTNL,
5727ef1b
JB		 13724 },
13725 {
13726 .cmd = NL80211_CMD_DEL_STATION,
ef6243ac 13727 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5727ef1b 13728 .doit = nl80211_del_station,
5617c6cd 13729 .flags = GENL_UNS_ADMIN_PERM,
2b5f8b0b 13730 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 13731 NL80211_FLAG_NEED_RTNL,
2ec600d6
LCC		 13732 },
13733 {
13734 .cmd = NL80211_CMD_GET_MPATH,
ef6243ac 13735 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2ec600d6
LCC		 13736 .doit = nl80211_get_mpath,
13737 .dumpit = nl80211_dump_mpath,
5617c6cd 13738 .flags = GENL_UNS_ADMIN_PERM,
41265714 13739 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 13740 NL80211_FLAG_NEED_RTNL,
2ec600d6 13741 },
66be7d2b
HR		 13742 {
13743 .cmd = NL80211_CMD_GET_MPP,
ef6243ac 13744 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
66be7d2b
HR		 13745 .doit = nl80211_get_mpp,
13746 .dumpit = nl80211_dump_mpp,
5617c6cd 13747 .flags = GENL_UNS_ADMIN_PERM,
66be7d2b
HR		 13748 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13749 NL80211_FLAG_NEED_RTNL,
13750 },
2ec600d6
LCC		 13751 {
13752 .cmd = NL80211_CMD_SET_MPATH,
ef6243ac 13753 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2ec600d6 13754 .doit = nl80211_set_mpath,
5617c6cd 13755 .flags = GENL_UNS_ADMIN_PERM,
41265714 13756 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 13757 NL80211_FLAG_NEED_RTNL,
2ec600d6
LCC		 13758 },
13759 {
13760 .cmd = NL80211_CMD_NEW_MPATH,
ef6243ac 13761 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2ec600d6 13762 .doit = nl80211_new_mpath,
5617c6cd 13763 .flags = GENL_UNS_ADMIN_PERM,
41265714 13764 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 13765 NL80211_FLAG_NEED_RTNL,
2ec600d6
LCC		 13766 },
13767 {
13768 .cmd = NL80211_CMD_DEL_MPATH,
ef6243ac 13769 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2ec600d6 13770 .doit = nl80211_del_mpath,
5617c6cd 13771 .flags = GENL_UNS_ADMIN_PERM,
2b5f8b0b 13772 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 13773 NL80211_FLAG_NEED_RTNL,
9f1ba906
JM		 13774 },
13775 {
13776 .cmd = NL80211_CMD_SET_BSS,
ef6243ac 13777 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
9f1ba906 13778 .doit = nl80211_set_bss,
5617c6cd 13779 .flags = GENL_UNS_ADMIN_PERM,
2b5f8b0b 13780 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 13781 NL80211_FLAG_NEED_RTNL,
b2e1b302 13782 },
f130347c
LR		 13783 {
13784 .cmd = NL80211_CMD_GET_REG,
ef6243ac 13785 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
ad30ca2c
AN		 13786 .doit = nl80211_get_reg_do,
13787 .dumpit = nl80211_get_reg_dump,
5fe231e8 13788 .internal_flags = NL80211_FLAG_NEED_RTNL,
f130347c
LR		 13789 /* can be retrieved by unprivileged users */
13790 },
b6863036 13791#ifdef CONFIG_CFG80211_CRDA_SUPPORT
b2e1b302
LR		 13792 {
13793 .cmd = NL80211_CMD_SET_REG,
ef6243ac 13794 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
b2e1b302 13795 .doit = nl80211_set_reg,
b2e1b302 13796 .flags = GENL_ADMIN_PERM,
5fe231e8 13797 .internal_flags = NL80211_FLAG_NEED_RTNL,
b2e1b302 13798 },
b6863036 13799#endif
b2e1b302
LR		 13800 {
13801 .cmd = NL80211_CMD_REQ_SET_REG,
ef6243ac 13802 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
b2e1b302 13803 .doit = nl80211_req_set_reg,
93da9cc1 13804 .flags = GENL_ADMIN_PERM,
13805 },
1ea4ff3e
JB		 13806 {
13807 .cmd = NL80211_CMD_RELOAD_REGDB,
ef6243ac 13808 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1ea4ff3e 13809 .doit = nl80211_reload_regdb,
1ea4ff3e
JB		 13810 .flags = GENL_ADMIN_PERM,
13811 },
93da9cc1 13812 {
24bdd9f4 13813 .cmd = NL80211_CMD_GET_MESH_CONFIG,
ef6243ac 13814 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
24bdd9f4 13815 .doit = nl80211_get_mesh_config,
93da9cc1 13816 /* can be retrieved by unprivileged users */
2b5f8b0b 13817 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 13818 NL80211_FLAG_NEED_RTNL,
93da9cc1 13819 },
13820 {
24bdd9f4 13821 .cmd = NL80211_CMD_SET_MESH_CONFIG,
ef6243ac 13822 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
24bdd9f4 13823 .doit = nl80211_update_mesh_config,
5617c6cd 13824 .flags = GENL_UNS_ADMIN_PERM,
29cbe68c 13825 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 13826 NL80211_FLAG_NEED_RTNL,
9aed3cc1 13827 },
2a519311
JB		 13828 {
13829 .cmd = NL80211_CMD_TRIGGER_SCAN,
ef6243ac 13830 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2a519311 13831 .doit = nl80211_trigger_scan,
5617c6cd 13832 .flags = GENL_UNS_ADMIN_PERM,
fd014284 13833 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
4c476991 13834 NL80211_FLAG_NEED_RTNL,
2a519311 13835 },
91d3ab46
VK		 13836 {
13837 .cmd = NL80211_CMD_ABORT_SCAN,
ef6243ac 13838 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
91d3ab46 13839 .doit = nl80211_abort_scan,
5617c6cd 13840 .flags = GENL_UNS_ADMIN_PERM,
91d3ab46
VK		 13841 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
13842 NL80211_FLAG_NEED_RTNL,
13843 },
2a519311
JB		 13844 {
13845 .cmd = NL80211_CMD_GET_SCAN,
ef6243ac 13846 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2a519311
JB		 13847 .dumpit = nl80211_dump_scan,
13848 },
807f8a8c
LC		 13849 {
13850 .cmd = NL80211_CMD_START_SCHED_SCAN,
ef6243ac 13851 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
807f8a8c 13852 .doit = nl80211_start_sched_scan,
5617c6cd 13853 .flags = GENL_UNS_ADMIN_PERM,
807f8a8c
LC		 13854 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13855 NL80211_FLAG_NEED_RTNL,
13856 },
13857 {
13858 .cmd = NL80211_CMD_STOP_SCHED_SCAN,
ef6243ac 13859 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
807f8a8c 13860 .doit = nl80211_stop_sched_scan,
5617c6cd 13861 .flags = GENL_UNS_ADMIN_PERM,
807f8a8c
LC		 13862 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
13863 NL80211_FLAG_NEED_RTNL,
13864 },
636a5d36
JM		 13865 {
13866 .cmd = NL80211_CMD_AUTHENTICATE,
ef6243ac 13867 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
636a5d36 13868 .doit = nl80211_authenticate,
5617c6cd 13869 .flags = GENL_UNS_ADMIN_PERM,
41265714 13870 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
5393b917
JB		 13871 NL80211_FLAG_NEED_RTNL |
13872 NL80211_FLAG_CLEAR_SKB,
636a5d36
JM		 13873 },
13874 {
13875 .cmd = NL80211_CMD_ASSOCIATE,
ef6243ac 13876 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
636a5d36 13877 .doit = nl80211_associate,
5617c6cd 13878 .flags = GENL_UNS_ADMIN_PERM,
41265714 13879 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
d6db02a8
SD		 13880 NL80211_FLAG_NEED_RTNL |
13881 NL80211_FLAG_CLEAR_SKB,
636a5d36
JM		 13882 },
13883 {
13884 .cmd = NL80211_CMD_DEAUTHENTICATE,
ef6243ac 13885 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
636a5d36 13886 .doit = nl80211_deauthenticate,
5617c6cd 13887 .flags = GENL_UNS_ADMIN_PERM,
41265714 13888 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 13889 NL80211_FLAG_NEED_RTNL,
636a5d36
JM		 13890 },
13891 {
13892 .cmd = NL80211_CMD_DISASSOCIATE,
ef6243ac 13893 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
636a5d36 13894 .doit = nl80211_disassociate,
5617c6cd 13895 .flags = GENL_UNS_ADMIN_PERM,
41265714 13896 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 13897 NL80211_FLAG_NEED_RTNL,
636a5d36 13898 },
04a773ad
JB		 13899 {
13900 .cmd = NL80211_CMD_JOIN_IBSS,
ef6243ac 13901 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
04a773ad 13902 .doit = nl80211_join_ibss,
5617c6cd 13903 .flags = GENL_UNS_ADMIN_PERM,
41265714 13904 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 13905 NL80211_FLAG_NEED_RTNL,
04a773ad
JB		 13906 },
13907 {
13908 .cmd = NL80211_CMD_LEAVE_IBSS,
ef6243ac 13909 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
04a773ad 13910 .doit = nl80211_leave_ibss,
5617c6cd 13911 .flags = GENL_UNS_ADMIN_PERM,
41265714 13912 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 13913 NL80211_FLAG_NEED_RTNL,
04a773ad 13914 },
aff89a9b
JB		 13915#ifdef CONFIG_NL80211_TESTMODE
13916 {
13917 .cmd = NL80211_CMD_TESTMODE,
ef6243ac 13918 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
aff89a9b 13919 .doit = nl80211_testmode_do,
71063f0e 13920 .dumpit = nl80211_testmode_dump,
5617c6cd 13921 .flags = GENL_UNS_ADMIN_PERM,
4c476991
JB		 13922 .internal_flags = NL80211_FLAG_NEED_WIPHY |
13923 NL80211_FLAG_NEED_RTNL,
aff89a9b
JB		 13924 },
13925#endif
b23aa676
SO		 13926 {
13927 .cmd = NL80211_CMD_CONNECT,
ef6243ac 13928 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
b23aa676 13929 .doit = nl80211_connect,
5617c6cd 13930 .flags = GENL_UNS_ADMIN_PERM,
41265714 13931 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
d6db02a8
SD		 13932 NL80211_FLAG_NEED_RTNL |
13933 NL80211_FLAG_CLEAR_SKB,
b23aa676 13934 },
088e8df8 13935 {
13936 .cmd = NL80211_CMD_UPDATE_CONNECT_PARAMS,
ef6243ac 13937 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
088e8df8 13938 .doit = nl80211_update_connect_params,
088e8df8 13939 .flags = GENL_ADMIN_PERM,
13940 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
d6db02a8
SD		 13941 NL80211_FLAG_NEED_RTNL |
13942 NL80211_FLAG_CLEAR_SKB,
088e8df8 13943 },
b23aa676
SO		 13944 {
13945 .cmd = NL80211_CMD_DISCONNECT,
ef6243ac 13946 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
b23aa676 13947 .doit = nl80211_disconnect,
5617c6cd 13948 .flags = GENL_UNS_ADMIN_PERM,
41265714 13949 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 13950 NL80211_FLAG_NEED_RTNL,
b23aa676 13951 },
463d0183
JB		 13952 {
13953 .cmd = NL80211_CMD_SET_WIPHY_NETNS,
ef6243ac 13954 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
463d0183 13955 .doit = nl80211_wiphy_netns,
5617c6cd 13956 .flags = GENL_UNS_ADMIN_PERM,
4c476991
JB		 13957 .internal_flags = NL80211_FLAG_NEED_WIPHY |
13958 NL80211_FLAG_NEED_RTNL,
463d0183 13959 },
61fa713c
HS		 13960 {
13961 .cmd = NL80211_CMD_GET_SURVEY,
ef6243ac 13962 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
61fa713c
HS		 13963 .dumpit = nl80211_dump_survey,
13964 },
67fbb16b
SO		 13965 {
13966 .cmd = NL80211_CMD_SET_PMKSA,
ef6243ac 13967 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
67fbb16b 13968 .doit = nl80211_setdel_pmksa,
5617c6cd 13969 .flags = GENL_UNS_ADMIN_PERM,
2b5f8b0b 13970 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
d6db02a8
SD		 13971 NL80211_FLAG_NEED_RTNL |
13972 NL80211_FLAG_CLEAR_SKB,
67fbb16b
SO		 13973 },
13974 {
13975 .cmd = NL80211_CMD_DEL_PMKSA,
ef6243ac 13976 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
67fbb16b 13977 .doit = nl80211_setdel_pmksa,
5617c6cd 13978 .flags = GENL_UNS_ADMIN_PERM,
2b5f8b0b 13979 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 13980 NL80211_FLAG_NEED_RTNL,
67fbb16b
SO		 13981 },
13982 {
13983 .cmd = NL80211_CMD_FLUSH_PMKSA,
ef6243ac 13984 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
67fbb16b 13985 .doit = nl80211_flush_pmksa,
5617c6cd 13986 .flags = GENL_UNS_ADMIN_PERM,
2b5f8b0b 13987 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 13988 NL80211_FLAG_NEED_RTNL,
67fbb16b 13989 },
9588bbd5
JM		 13990 {
13991 .cmd = NL80211_CMD_REMAIN_ON_CHANNEL,
ef6243ac 13992 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
9588bbd5 13993 .doit = nl80211_remain_on_channel,
5617c6cd 13994 .flags = GENL_UNS_ADMIN_PERM,
71bbc994 13995 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
4c476991 13996 NL80211_FLAG_NEED_RTNL,
9588bbd5
JM		 13997 },
13998 {
13999 .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
ef6243ac 14000 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
9588bbd5 14001 .doit = nl80211_cancel_remain_on_channel,
5617c6cd 14002 .flags = GENL_UNS_ADMIN_PERM,
71bbc994 14003 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
4c476991 14004 NL80211_FLAG_NEED_RTNL,
9588bbd5 14005 },
13ae75b1
JM		 14006 {
14007 .cmd = NL80211_CMD_SET_TX_BITRATE_MASK,
ef6243ac 14008 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13ae75b1 14009 .doit = nl80211_set_tx_bitrate_mask,
5617c6cd 14010 .flags = GENL_UNS_ADMIN_PERM,
4c476991
JB		 14011 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14012 NL80211_FLAG_NEED_RTNL,
13ae75b1 14013 },
026331c4 14014 {
2e161f78 14015 .cmd = NL80211_CMD_REGISTER_FRAME,
ef6243ac 14016 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2e161f78 14017 .doit = nl80211_register_mgmt,
5617c6cd 14018 .flags = GENL_UNS_ADMIN_PERM,
71bbc994 14019 .internal_flags = NL80211_FLAG_NEED_WDEV |
4c476991 14020 NL80211_FLAG_NEED_RTNL,
026331c4
JM		 14021 },
14022 {
2e161f78 14023 .cmd = NL80211_CMD_FRAME,
ef6243ac 14024 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2e161f78 14025 .doit = nl80211_tx_mgmt,
5617c6cd 14026 .flags = GENL_UNS_ADMIN_PERM,
71bbc994 14027 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
f7ca38df
JB		 14028 NL80211_FLAG_NEED_RTNL,
14029 },
14030 {
14031 .cmd = NL80211_CMD_FRAME_WAIT_CANCEL,
ef6243ac 14032 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
f7ca38df 14033 .doit = nl80211_tx_mgmt_cancel_wait,
5617c6cd 14034 .flags = GENL_UNS_ADMIN_PERM,
71bbc994 14035 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
4c476991 14036 NL80211_FLAG_NEED_RTNL,
026331c4 14037 },
ffb9eb3d
KV		 14038 {
14039 .cmd = NL80211_CMD_SET_POWER_SAVE,
ef6243ac 14040 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
ffb9eb3d 14041 .doit = nl80211_set_power_save,
5617c6cd 14042 .flags = GENL_UNS_ADMIN_PERM,
4c476991
JB		 14043 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14044 NL80211_FLAG_NEED_RTNL,
ffb9eb3d
KV		 14045 },
14046 {
14047 .cmd = NL80211_CMD_GET_POWER_SAVE,
ef6243ac 14048 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
ffb9eb3d 14049 .doit = nl80211_get_power_save,
ffb9eb3d 14050 /* can be retrieved by unprivileged users */
4c476991
JB		 14051 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14052 NL80211_FLAG_NEED_RTNL,
ffb9eb3d 14053 },
d6dc1a38
JO		 14054 {
14055 .cmd = NL80211_CMD_SET_CQM,
ef6243ac 14056 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
d6dc1a38 14057 .doit = nl80211_set_cqm,
5617c6cd 14058 .flags = GENL_UNS_ADMIN_PERM,
4c476991
JB		 14059 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14060 NL80211_FLAG_NEED_RTNL,
d6dc1a38 14061 },
f444de05
JB		 14062 {
14063 .cmd = NL80211_CMD_SET_CHANNEL,
ef6243ac 14064 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
f444de05 14065 .doit = nl80211_set_channel,
5617c6cd 14066 .flags = GENL_UNS_ADMIN_PERM,
4c476991
JB		 14067 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14068 NL80211_FLAG_NEED_RTNL,
f444de05 14069 },
e8347eba
BJ		 14070 {
14071 .cmd = NL80211_CMD_SET_WDS_PEER,
ef6243ac 14072 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
e8347eba 14073 .doit = nl80211_set_wds_peer,
5617c6cd 14074 .flags = GENL_UNS_ADMIN_PERM,
43b19952
JB		 14075 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14076 NL80211_FLAG_NEED_RTNL,
e8347eba 14077 },
29cbe68c
JB		 14078 {
14079 .cmd = NL80211_CMD_JOIN_MESH,
ef6243ac 14080 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
29cbe68c 14081 .doit = nl80211_join_mesh,
5617c6cd 14082 .flags = GENL_UNS_ADMIN_PERM,
29cbe68c
JB		 14083 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14084 NL80211_FLAG_NEED_RTNL,
14085 },
14086 {
14087 .cmd = NL80211_CMD_LEAVE_MESH,
ef6243ac 14088 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
29cbe68c 14089 .doit = nl80211_leave_mesh,
5617c6cd 14090 .flags = GENL_UNS_ADMIN_PERM,
29cbe68c
JB		 14091 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14092 NL80211_FLAG_NEED_RTNL,
14093 },
6e0bd6c3
RL		 14094 {
14095 .cmd = NL80211_CMD_JOIN_OCB,
ef6243ac 14096 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
6e0bd6c3 14097 .doit = nl80211_join_ocb,
5617c6cd 14098 .flags = GENL_UNS_ADMIN_PERM,
6e0bd6c3
RL		 14099 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14100 NL80211_FLAG_NEED_RTNL,
14101 },
14102 {
14103 .cmd = NL80211_CMD_LEAVE_OCB,
ef6243ac 14104 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
6e0bd6c3 14105 .doit = nl80211_leave_ocb,
5617c6cd 14106 .flags = GENL_UNS_ADMIN_PERM,
6e0bd6c3
RL		 14107 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14108 NL80211_FLAG_NEED_RTNL,
14109 },
dfb89c56 14110#ifdef CONFIG_PM
ff1b6e69
JB		 14111 {
14112 .cmd = NL80211_CMD_GET_WOWLAN,
ef6243ac 14113 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
ff1b6e69 14114 .doit = nl80211_get_wowlan,
ff1b6e69
JB		 14115 /* can be retrieved by unprivileged users */
14116 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14117 NL80211_FLAG_NEED_RTNL,
14118 },
14119 {
14120 .cmd = NL80211_CMD_SET_WOWLAN,
ef6243ac 14121 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
ff1b6e69 14122 .doit = nl80211_set_wowlan,
5617c6cd 14123 .flags = GENL_UNS_ADMIN_PERM,
ff1b6e69
JB		 14124 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14125 NL80211_FLAG_NEED_RTNL,
14126 },
dfb89c56 14127#endif
e5497d76
JB		 14128 {
14129 .cmd = NL80211_CMD_SET_REKEY_OFFLOAD,
ef6243ac 14130 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
e5497d76 14131 .doit = nl80211_set_rekey_data,
5617c6cd 14132 .flags = GENL_UNS_ADMIN_PERM,
e5497d76 14133 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
5393b917
JB		 14134 NL80211_FLAG_NEED_RTNL |
14135 NL80211_FLAG_CLEAR_SKB,
e5497d76 14136 },
109086ce
AN		 14137 {
14138 .cmd = NL80211_CMD_TDLS_MGMT,
ef6243ac 14139 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
109086ce 14140 .doit = nl80211_tdls_mgmt,
5617c6cd 14141 .flags = GENL_UNS_ADMIN_PERM,
109086ce
AN		 14142 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14143 NL80211_FLAG_NEED_RTNL,
14144 },
14145 {
14146 .cmd = NL80211_CMD_TDLS_OPER,
ef6243ac 14147 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
109086ce 14148 .doit = nl80211_tdls_oper,
5617c6cd 14149 .flags = GENL_UNS_ADMIN_PERM,
109086ce
AN		 14150 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14151 NL80211_FLAG_NEED_RTNL,
14152 },
28946da7
JB		 14153 {
14154 .cmd = NL80211_CMD_UNEXPECTED_FRAME,
ef6243ac 14155 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
28946da7 14156 .doit = nl80211_register_unexpected_frame,
5617c6cd 14157 .flags = GENL_UNS_ADMIN_PERM,
28946da7
JB		 14158 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14159 NL80211_FLAG_NEED_RTNL,
14160 },
7f6cf311
JB		 14161 {
14162 .cmd = NL80211_CMD_PROBE_CLIENT,
ef6243ac 14163 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
7f6cf311 14164 .doit = nl80211_probe_client,
5617c6cd 14165 .flags = GENL_UNS_ADMIN_PERM,
2b5f8b0b 14166 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
7f6cf311
JB		 14167 NL80211_FLAG_NEED_RTNL,
14168 },
5e760230
JB		 14169 {
14170 .cmd = NL80211_CMD_REGISTER_BEACONS,
ef6243ac 14171 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5e760230 14172 .doit = nl80211_register_beacons,
5617c6cd 14173 .flags = GENL_UNS_ADMIN_PERM,
5e760230
JB		 14174 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14175 NL80211_FLAG_NEED_RTNL,
14176 },
1d9d9213
SW		 14177 {
14178 .cmd = NL80211_CMD_SET_NOACK_MAP,
ef6243ac 14179 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1d9d9213 14180 .doit = nl80211_set_noack_map,
5617c6cd 14181 .flags = GENL_UNS_ADMIN_PERM,
1d9d9213
SW		 14182 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14183 NL80211_FLAG_NEED_RTNL,
14184 },
98104fde
JB		 14185 {
14186 .cmd = NL80211_CMD_START_P2P_DEVICE,
ef6243ac 14187 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
98104fde 14188 .doit = nl80211_start_p2p_device,
5617c6cd 14189 .flags = GENL_UNS_ADMIN_PERM,
98104fde
JB		 14190 .internal_flags = NL80211_FLAG_NEED_WDEV |
14191 NL80211_FLAG_NEED_RTNL,
14192 },
14193 {
14194 .cmd = NL80211_CMD_STOP_P2P_DEVICE,
ef6243ac 14195 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
98104fde 14196 .doit = nl80211_stop_p2p_device,
5617c6cd 14197 .flags = GENL_UNS_ADMIN_PERM,
98104fde
JB		 14198 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14199 NL80211_FLAG_NEED_RTNL,
cb3b7d87
AB		 14200 },
14201 {
14202 .cmd = NL80211_CMD_START_NAN,
ef6243ac 14203 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
cb3b7d87 14204 .doit = nl80211_start_nan,
cb3b7d87
AB		 14205 .flags = GENL_ADMIN_PERM,
14206 .internal_flags = NL80211_FLAG_NEED_WDEV |
14207 NL80211_FLAG_NEED_RTNL,
14208 },
14209 {
14210 .cmd = NL80211_CMD_STOP_NAN,
ef6243ac 14211 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
cb3b7d87 14212 .doit = nl80211_stop_nan,
cb3b7d87
AB		 14213 .flags = GENL_ADMIN_PERM,
14214 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14215 NL80211_FLAG_NEED_RTNL,
a442b761
AB		 14216 },
14217 {
14218 .cmd = NL80211_CMD_ADD_NAN_FUNCTION,
ef6243ac 14219 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
a442b761 14220 .doit = nl80211_nan_add_func,
a442b761
AB		 14221 .flags = GENL_ADMIN_PERM,
14222 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14223 NL80211_FLAG_NEED_RTNL,
14224 },
14225 {
14226 .cmd = NL80211_CMD_DEL_NAN_FUNCTION,
ef6243ac 14227 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
a442b761 14228 .doit = nl80211_nan_del_func,
a442b761
AB		 14229 .flags = GENL_ADMIN_PERM,
14230 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14231 NL80211_FLAG_NEED_RTNL,
a5a9dcf2
AB		 14232 },
14233 {
14234 .cmd = NL80211_CMD_CHANGE_NAN_CONFIG,
ef6243ac 14235 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
a5a9dcf2 14236 .doit = nl80211_nan_change_config,
a5a9dcf2
AB		 14237 .flags = GENL_ADMIN_PERM,
14238 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14239 NL80211_FLAG_NEED_RTNL,
98104fde 14240 },
f4e583c8
AQ		 14241 {
14242 .cmd = NL80211_CMD_SET_MCAST_RATE,
ef6243ac 14243 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
f4e583c8 14244 .doit = nl80211_set_mcast_rate,
5617c6cd 14245 .flags = GENL_UNS_ADMIN_PERM,
77765eaf
VT		 14246 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14247 NL80211_FLAG_NEED_RTNL,
14248 },
14249 {
14250 .cmd = NL80211_CMD_SET_MAC_ACL,
ef6243ac 14251 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
77765eaf 14252 .doit = nl80211_set_mac_acl,
5617c6cd 14253 .flags = GENL_UNS_ADMIN_PERM,
f4e583c8
AQ		 14254 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14255 NL80211_FLAG_NEED_RTNL,
14256 },
04f39047
SW		 14257 {
14258 .cmd = NL80211_CMD_RADAR_DETECT,
ef6243ac 14259 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
04f39047 14260 .doit = nl80211_start_radar_detection,
5617c6cd 14261 .flags = GENL_UNS_ADMIN_PERM,
04f39047
SW		 14262 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14263 NL80211_FLAG_NEED_RTNL,
14264 },
3713b4e3
JB		 14265 {
14266 .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES,
ef6243ac 14267 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
3713b4e3 14268 .doit = nl80211_get_protocol_features,
3713b4e3 14269 },
355199e0
JM		 14270 {
14271 .cmd = NL80211_CMD_UPDATE_FT_IES,
ef6243ac 14272 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
355199e0 14273 .doit = nl80211_update_ft_ies,
5617c6cd 14274 .flags = GENL_UNS_ADMIN_PERM,
355199e0
JM		 14275 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14276 NL80211_FLAG_NEED_RTNL,
14277 },
5de17984
AS		 14278 {
14279 .cmd = NL80211_CMD_CRIT_PROTOCOL_START,
ef6243ac 14280 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5de17984 14281 .doit = nl80211_crit_protocol_start,
5617c6cd 14282 .flags = GENL_UNS_ADMIN_PERM,
5de17984
AS		 14283 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14284 NL80211_FLAG_NEED_RTNL,
14285 },
14286 {
14287 .cmd = NL80211_CMD_CRIT_PROTOCOL_STOP,
ef6243ac 14288 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5de17984 14289 .doit = nl80211_crit_protocol_stop,
5617c6cd 14290 .flags = GENL_UNS_ADMIN_PERM,
5de17984
AS		 14291 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14292 NL80211_FLAG_NEED_RTNL,
be29b99a
AK		 14293 },
14294 {
14295 .cmd = NL80211_CMD_GET_COALESCE,
ef6243ac 14296 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
be29b99a 14297 .doit = nl80211_get_coalesce,
be29b99a
AK		 14298 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14299 NL80211_FLAG_NEED_RTNL,
14300 },
14301 {
14302 .cmd = NL80211_CMD_SET_COALESCE,
ef6243ac 14303 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
be29b99a 14304 .doit = nl80211_set_coalesce,
5617c6cd 14305 .flags = GENL_UNS_ADMIN_PERM,
be29b99a
AK		 14306 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14307 NL80211_FLAG_NEED_RTNL,
16ef1fe2
SW		 14308 },
14309 {
14310 .cmd = NL80211_CMD_CHANNEL_SWITCH,
ef6243ac 14311 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16ef1fe2 14312 .doit = nl80211_channel_switch,
5617c6cd 14313 .flags = GENL_UNS_ADMIN_PERM,
16ef1fe2
SW		 14314 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14315 NL80211_FLAG_NEED_RTNL,
14316 },
ad7e718c
JB		 14317 {
14318 .cmd = NL80211_CMD_VENDOR,
ef6243ac 14319 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
ad7e718c 14320 .doit = nl80211_vendor_cmd,
7bdbe400 14321 .dumpit = nl80211_vendor_cmd_dump,
5617c6cd 14322 .flags = GENL_UNS_ADMIN_PERM,
ad7e718c 14323 .internal_flags = NL80211_FLAG_NEED_WIPHY |
d6db02a8
SD		 14324 NL80211_FLAG_NEED_RTNL |
14325 NL80211_FLAG_CLEAR_SKB,
ad7e718c 14326 },
fa9ffc74
KP		 14327 {
14328 .cmd = NL80211_CMD_SET_QOS_MAP,
ef6243ac 14329 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
fa9ffc74 14330 .doit = nl80211_set_qos_map,
5617c6cd 14331 .flags = GENL_UNS_ADMIN_PERM,
fa9ffc74
KP		 14332 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14333 NL80211_FLAG_NEED_RTNL,
14334 },
960d01ac
JB		 14335 {
14336 .cmd = NL80211_CMD_ADD_TX_TS,
ef6243ac 14337 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
960d01ac 14338 .doit = nl80211_add_tx_ts,
5617c6cd 14339 .flags = GENL_UNS_ADMIN_PERM,
960d01ac
JB		 14340 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14341 NL80211_FLAG_NEED_RTNL,
14342 },
14343 {
14344 .cmd = NL80211_CMD_DEL_TX_TS,
ef6243ac 14345 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
960d01ac 14346 .doit = nl80211_del_tx_ts,
5617c6cd 14347 .flags = GENL_UNS_ADMIN_PERM,
960d01ac
JB		 14348 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14349 NL80211_FLAG_NEED_RTNL,
14350 },
1057d35e
AN		 14351 {
14352 .cmd = NL80211_CMD_TDLS_CHANNEL_SWITCH,
ef6243ac 14353 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1057d35e 14354 .doit = nl80211_tdls_channel_switch,
5617c6cd 14355 .flags = GENL_UNS_ADMIN_PERM,
1057d35e
AN		 14356 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14357 NL80211_FLAG_NEED_RTNL,
14358 },
14359 {
14360 .cmd = NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH,
ef6243ac 14361 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1057d35e 14362 .doit = nl80211_tdls_cancel_channel_switch,
5617c6cd 14363 .flags = GENL_UNS_ADMIN_PERM,
1057d35e
AN		 14364 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14365 NL80211_FLAG_NEED_RTNL,
14366 },
ce0ce13a
MB		 14367 {
14368 .cmd = NL80211_CMD_SET_MULTICAST_TO_UNICAST,
ef6243ac 14369 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
ce0ce13a 14370 .doit = nl80211_set_multicast_to_unicast,
ce0ce13a
MB		 14371 .flags = GENL_UNS_ADMIN_PERM,
14372 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14373 NL80211_FLAG_NEED_RTNL,
14374 },
3a00df57
AS		 14375 {
14376 .cmd = NL80211_CMD_SET_PMK,
ef6243ac 14377 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
3a00df57 14378 .doit = nl80211_set_pmk,
3a00df57 14379 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
d6db02a8
SD		 14380 NL80211_FLAG_NEED_RTNL |
14381 NL80211_FLAG_CLEAR_SKB,
3a00df57
AS		 14382 },
14383 {
14384 .cmd = NL80211_CMD_DEL_PMK,
ef6243ac 14385 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
3a00df57 14386 .doit = nl80211_del_pmk,
3a00df57
AS		 14387 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14388 NL80211_FLAG_NEED_RTNL,
14389 },
40cbfa90
SD		 14390 {
14391 .cmd = NL80211_CMD_EXTERNAL_AUTH,
ef6243ac 14392 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
40cbfa90 14393 .doit = nl80211_external_auth,
40cbfa90
SD		 14394 .flags = GENL_ADMIN_PERM,
14395 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14396 NL80211_FLAG_NEED_RTNL,
14397 },
2576a9ac
DK		 14398 {
14399 .cmd = NL80211_CMD_CONTROL_PORT_FRAME,
ef6243ac 14400 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2576a9ac 14401 .doit = nl80211_tx_control_port,
2576a9ac
DK		 14402 .flags = GENL_UNS_ADMIN_PERM,
14403 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14404 NL80211_FLAG_NEED_RTNL,
14405 },
81e54d08
PKC		 14406 {
14407 .cmd = NL80211_CMD_GET_FTM_RESPONDER_STATS,
ef6243ac 14408 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
81e54d08 14409 .doit = nl80211_get_ftm_responder_stats,
81e54d08
PKC		 14410 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14411 NL80211_FLAG_NEED_RTNL,
14412 },
9bb7e0f2
JB		 14413 {
14414 .cmd = NL80211_CMD_PEER_MEASUREMENT_START,
ef6243ac 14415 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
9bb7e0f2 14416 .doit = nl80211_pmsr_start,
9bb7e0f2
JB		 14417 .flags = GENL_UNS_ADMIN_PERM,
14418 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14419 NL80211_FLAG_NEED_RTNL,
14420 },
30c63115
S		 14421 {
14422 .cmd = NL80211_CMD_NOTIFY_RADAR,
ef6243ac 14423 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
30c63115 14424 .doit = nl80211_notify_radar_detection,
30c63115
S		 14425 .flags = GENL_UNS_ADMIN_PERM,
14426 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14427 NL80211_FLAG_NEED_RTNL,
14428 },
cb74e977
SD		 14429 {
14430 .cmd = NL80211_CMD_UPDATE_OWE_INFO,
14431 .doit = nl80211_update_owe_info,
14432 .flags = GENL_ADMIN_PERM,
5ab92e7f
RM		 14433 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14434 NL80211_FLAG_NEED_RTNL,
14435 },
14436 {
14437 .cmd = NL80211_CMD_PROBE_MESH_LINK,
14438 .doit = nl80211_probe_mesh_link,
14439 .flags = GENL_UNS_ADMIN_PERM,
cb74e977
SD		 14440 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14441 NL80211_FLAG_NEED_RTNL,
14442 },
55682965 14443};
9588bbd5 14444
56989f6d 14445static struct genl_family nl80211_fam __ro_after_init = {
489111e5
JB		 14446 .name = NL80211_GENL_NAME, /* have users key off the name instead */
14447 .hdrsize = 0, /* no private header */
14448 .version = 1, /* no particular meaning now */
14449 .maxattr = NL80211_ATTR_MAX,
3b0f31f2 14450 .policy = nl80211_policy,
489111e5
JB		 14451 .netnsok = true,
14452 .pre_doit = nl80211_pre_doit,
14453 .post_doit = nl80211_post_doit,
14454 .module = THIS_MODULE,
14455 .ops = nl80211_ops,
14456 .n_ops = ARRAY_SIZE(nl80211_ops),
14457 .mcgrps = nl80211_mcgrps,
14458 .n_mcgrps = ARRAY_SIZE(nl80211_mcgrps),
14459};
14460
55682965
JB		 14461/* notification functions */
14462
3bb20556
JB		 14463void nl80211_notify_wiphy(struct cfg80211_registered_device *rdev,
14464 enum nl80211_commands cmd)
55682965
JB		 14465{
14466 struct sk_buff *msg;
86e8cf98 14467 struct nl80211_dump_wiphy_state state = {};
55682965 14468
3bb20556
JB		 14469 WARN_ON(cmd != NL80211_CMD_NEW_WIPHY &&
14470 cmd != NL80211_CMD_DEL_WIPHY);
14471
fd2120ca 14472 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
55682965
JB		 14473 if (!msg)
14474 return;
14475
3bb20556 14476 if (nl80211_send_wiphy(rdev, cmd, msg, 0, 0, 0, &state) < 0) {
55682965
JB		 14477 nlmsg_free(msg);
14478 return;
14479 }
14480
68eb5503 14481 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 14482 NL80211_MCGRP_CONFIG, GFP_KERNEL);
55682965
JB		 14483}
14484
896ff063
DK		 14485void nl80211_notify_iface(struct cfg80211_registered_device *rdev,
14486 struct wireless_dev *wdev,
14487 enum nl80211_commands cmd)
14488{
14489 struct sk_buff *msg;
14490
896ff063
DK		 14491 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14492 if (!msg)
14493 return;
14494
3d1a5bbf 14495 if (nl80211_send_iface(msg, 0, 0, 0, rdev, wdev, cmd) < 0) {
896ff063
DK		 14496 nlmsg_free(msg);
14497 return;
14498 }
14499
14500 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14501 NL80211_MCGRP_CONFIG, GFP_KERNEL);
14502}
14503
362a415d
JB		 14504static int nl80211_add_scan_req(struct sk_buff *msg,
14505 struct cfg80211_registered_device *rdev)
14506{
14507 struct cfg80211_scan_request *req = rdev->scan_req;
14508 struct nlattr *nest;
14509 int i;
14510
14511 if (WARN_ON(!req))
14512 return 0;
14513
ae0be8de 14514 nest = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_SSIDS);
362a415d
JB		 14515 if (!nest)
14516 goto nla_put_failure;
9360ffd1
DM		 14517 for (i = 0; i < req->n_ssids; i++) {
14518 if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid))
14519 goto nla_put_failure;
14520 }
362a415d
JB		 14521 nla_nest_end(msg, nest);
14522
ae0be8de 14523 nest = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_FREQUENCIES);
362a415d
JB		 14524 if (!nest)
14525 goto nla_put_failure;
9360ffd1
DM		 14526 for (i = 0; i < req->n_channels; i++) {
14527 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
14528 goto nla_put_failure;
14529 }
362a415d
JB		 14530 nla_nest_end(msg, nest);
14531
9360ffd1
DM		 14532 if (req->ie &&
14533 nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie))
14534 goto nla_put_failure;
362a415d 14535
ae917c9f
JB		 14536 if (req->flags &&
14537 nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags))
14538 goto nla_put_failure;
ed473771 14539
1d76250b
AS		 14540 if (req->info.scan_start_tsf &&
14541 (nla_put_u64_64bit(msg, NL80211_ATTR_SCAN_START_TIME_TSF,
14542 req->info.scan_start_tsf, NL80211_BSS_PAD) ||
14543 nla_put(msg, NL80211_ATTR_SCAN_START_TIME_TSF_BSSID, ETH_ALEN,
14544 req->info.tsf_bssid)))
14545 goto nla_put_failure;
14546
362a415d
JB		 14547 return 0;
14548 nla_put_failure:
14549 return -ENOBUFS;
14550}
14551
505a2e88 14552static int nl80211_prep_scan_msg(struct sk_buff *msg,
a538e2d5 14553 struct cfg80211_registered_device *rdev,
fd014284 14554 struct wireless_dev *wdev,
15e47304 14555 u32 portid, u32 seq, int flags,
a538e2d5 14556 u32 cmd)
2a519311
JB		 14557{
14558 void *hdr;
14559
15e47304 14560 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
2a519311
JB		 14561 if (!hdr)
14562 return -1;
14563
9360ffd1 14564 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
fd014284
JB		 14565 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
14566 wdev->netdev->ifindex)) ||
2dad624e
ND		 14567 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
14568 NL80211_ATTR_PAD))
9360ffd1 14569 goto nla_put_failure;
2a519311 14570
362a415d
JB		 14571 /* ignore errors and send incomplete event anyway */
14572 nl80211_add_scan_req(msg, rdev);
2a519311 14573
053c095a
JB		 14574 genlmsg_end(msg, hdr);
14575 return 0;
2a519311
JB		 14576
14577 nla_put_failure:
14578 genlmsg_cancel(msg, hdr);
14579 return -EMSGSIZE;
14580}
14581
807f8a8c 14582static int
505a2e88 14583nl80211_prep_sched_scan_msg(struct sk_buff *msg,
96b08fd6 14584 struct cfg80211_sched_scan_request *req, u32 cmd)
807f8a8c
LC		 14585{
14586 void *hdr;
14587
96b08fd6 14588 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
807f8a8c
LC		 14589 if (!hdr)
14590 return -1;
14591
96b08fd6
AVS		 14592 if (nla_put_u32(msg, NL80211_ATTR_WIPHY,
14593 wiphy_to_rdev(req->wiphy)->wiphy_idx) ||
14594 nla_put_u32(msg, NL80211_ATTR_IFINDEX, req->dev->ifindex) ||
14595 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, req->reqid,
14596 NL80211_ATTR_PAD))
9360ffd1 14597 goto nla_put_failure;
807f8a8c 14598
053c095a
JB		 14599 genlmsg_end(msg, hdr);
14600 return 0;
807f8a8c
LC		 14601
14602 nla_put_failure:
14603 genlmsg_cancel(msg, hdr);
14604 return -EMSGSIZE;
14605}
14606
a538e2d5 14607void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
fd014284 14608 struct wireless_dev *wdev)
a538e2d5
JB		 14609{
14610 struct sk_buff *msg;
14611
58050fce 14612 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
a538e2d5
JB		 14613 if (!msg)
14614 return;
14615
505a2e88 14616 if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0,
a538e2d5
JB		 14617 NL80211_CMD_TRIGGER_SCAN) < 0) {
14618 nlmsg_free(msg);
14619 return;
14620 }
14621
68eb5503 14622 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 14623 NL80211_MCGRP_SCAN, GFP_KERNEL);
a538e2d5
JB		 14624}
14625
f9d15d16
JB		 14626struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev,
14627 struct wireless_dev *wdev, bool aborted)
2a519311
JB		 14628{
14629 struct sk_buff *msg;
14630
fd2120ca 14631 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
2a519311 14632 if (!msg)
f9d15d16 14633 return NULL;
2a519311 14634
505a2e88 14635 if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0,
f9d15d16
JB		 14636 aborted ? NL80211_CMD_SCAN_ABORTED :
14637 NL80211_CMD_NEW_SCAN_RESULTS) < 0) {
2a519311 14638 nlmsg_free(msg);
f9d15d16 14639 return NULL;
2a519311
JB		 14640 }
14641
f9d15d16 14642 return msg;
2a519311
JB		 14643}
14644
505a2e88
AVS		 14645/* send message created by nl80211_build_scan_msg() */
14646void nl80211_send_scan_msg(struct cfg80211_registered_device *rdev,
14647 struct sk_buff *msg)
807f8a8c 14648{
807f8a8c
LC		 14649 if (!msg)
14650 return;
14651
68eb5503 14652 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 14653 NL80211_MCGRP_SCAN, GFP_KERNEL);
807f8a8c
LC		 14654}
14655
96b08fd6 14656void nl80211_send_sched_scan(struct cfg80211_sched_scan_request *req, u32 cmd)
807f8a8c
LC		 14657{
14658 struct sk_buff *msg;
14659
58050fce 14660 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
807f8a8c
LC		 14661 if (!msg)
14662 return;
14663
96b08fd6 14664 if (nl80211_prep_sched_scan_msg(msg, req, cmd) < 0) {
807f8a8c
LC		 14665 nlmsg_free(msg);
14666 return;
14667 }
14668
96b08fd6 14669 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(req->wiphy), msg, 0,
2a94fe48 14670 NL80211_MCGRP_SCAN, GFP_KERNEL);
807f8a8c
LC		 14671}
14672
b0d7aa59
JD		 14673static bool nl80211_reg_change_event_fill(struct sk_buff *msg,
14674 struct regulatory_request *request)
73d54c9e 14675{
73d54c9e 14676 /* Userspace can always count this one always being set */
9360ffd1
DM		 14677 if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator))
14678 goto nla_put_failure;
14679
14680 if (request->alpha2[0] == '0' && request->alpha2[1] == '0') {
14681 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
14682 NL80211_REGDOM_TYPE_WORLD))
14683 goto nla_put_failure;
14684 } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') {
14685 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
14686 NL80211_REGDOM_TYPE_CUSTOM_WORLD))
14687 goto nla_put_failure;
14688 } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') ||
14689 request->intersect) {
14690 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
14691 NL80211_REGDOM_TYPE_INTERSECTION))
14692 goto nla_put_failure;
14693 } else {
14694 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
14695 NL80211_REGDOM_TYPE_COUNTRY) ||
14696 nla_put_string(msg, NL80211_ATTR_REG_ALPHA2,
14697 request->alpha2))
14698 goto nla_put_failure;
14699 }
14700
ad30ca2c
AN		 14701 if (request->wiphy_idx != WIPHY_IDX_INVALID) {
14702 struct wiphy *wiphy = wiphy_idx_to_wiphy(request->wiphy_idx);
14703
14704 if (wiphy &&
14705 nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx))
14706 goto nla_put_failure;
1bdd716c
AN		 14707
14708 if (wiphy &&
14709 wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
14710 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
14711 goto nla_put_failure;
ad30ca2c 14712 }
73d54c9e 14713
b0d7aa59
JD		 14714 return true;
14715
14716nla_put_failure:
14717 return false;
14718}
14719
14720/*
14721 * This can happen on global regulatory changes or device specific settings
14722 * based on custom regulatory domains.
14723 */
14724void nl80211_common_reg_change_event(enum nl80211_commands cmd_id,
14725 struct regulatory_request *request)
14726{
14727 struct sk_buff *msg;
14728 void *hdr;
14729
14730 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14731 if (!msg)
14732 return;
14733
14734 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd_id);
14735 if (!hdr) {
14736 nlmsg_free(msg);
14737 return;
14738 }
14739
14740 if (nl80211_reg_change_event_fill(msg, request) == false)
14741 goto nla_put_failure;
14742
3b7b72ee 14743 genlmsg_end(msg, hdr);
73d54c9e 14744
bc43b28c 14745 rcu_read_lock();
68eb5503 14746 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
2a94fe48 14747 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
bc43b28c 14748 rcu_read_unlock();
73d54c9e
LR		 14749
14750 return;
14751
14752nla_put_failure:
73d54c9e
LR		 14753 nlmsg_free(msg);
14754}
14755
6039f6d2
JM		 14756static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
14757 struct net_device *netdev,
14758 const u8 *buf, size_t len,
b0b6aa2c 14759 enum nl80211_commands cmd, gfp_t gfp,
4d9ec73d
JM		 14760 int uapsd_queues, const u8 *req_ies,
14761 size_t req_ies_len)
6039f6d2
JM		 14762{
14763 struct sk_buff *msg;
14764 void *hdr;
14765
4d9ec73d 14766 msg = nlmsg_new(100 + len + req_ies_len, gfp);
6039f6d2
JM		 14767 if (!msg)
14768 return;
14769
14770 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
14771 if (!hdr) {
14772 nlmsg_free(msg);
14773 return;
14774 }
14775
9360ffd1
DM		 14776 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14777 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
4d9ec73d
JM		 14778 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
14779 (req_ies &&
14780 nla_put(msg, NL80211_ATTR_REQ_IE, req_ies_len, req_ies)))
9360ffd1 14781 goto nla_put_failure;
6039f6d2 14782
b0b6aa2c
EP		 14783 if (uapsd_queues >= 0) {
14784 struct nlattr *nla_wmm =
ae0be8de 14785 nla_nest_start_noflag(msg, NL80211_ATTR_STA_WME);
b0b6aa2c
EP		 14786 if (!nla_wmm)
14787 goto nla_put_failure;
14788
14789 if (nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES,
14790 uapsd_queues))
14791 goto nla_put_failure;
14792
14793 nla_nest_end(msg, nla_wmm);
14794 }
14795
3b7b72ee 14796 genlmsg_end(msg, hdr);
6039f6d2 14797
68eb5503 14798 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 14799 NL80211_MCGRP_MLME, gfp);
6039f6d2
JM		 14800 return;
14801
14802 nla_put_failure:
6039f6d2
JM		 14803 nlmsg_free(msg);
14804}
14805
14806void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev,
e6d6e342
JB		 14807 struct net_device *netdev, const u8 *buf,
14808 size_t len, gfp_t gfp)
6039f6d2
JM		 14809{
14810 nl80211_send_mlme_event(rdev, netdev, buf, len,
4d9ec73d 14811 NL80211_CMD_AUTHENTICATE, gfp, -1, NULL, 0);
6039f6d2
JM		 14812}
14813
14814void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev,
14815 struct net_device *netdev, const u8 *buf,
4d9ec73d
JM		 14816 size_t len, gfp_t gfp, int uapsd_queues,
14817 const u8 *req_ies, size_t req_ies_len)
6039f6d2 14818{
e6d6e342 14819 nl80211_send_mlme_event(rdev, netdev, buf, len,
4d9ec73d
JM		 14820 NL80211_CMD_ASSOCIATE, gfp, uapsd_queues,
14821 req_ies, req_ies_len);
6039f6d2
JM		 14822}
14823
53b46b84 14824void nl80211_send_deauth(struct cfg80211_registered_device *rdev,
e6d6e342
JB		 14825 struct net_device *netdev, const u8 *buf,
14826 size_t len, gfp_t gfp)
6039f6d2
JM		 14827{
14828 nl80211_send_mlme_event(rdev, netdev, buf, len,
4d9ec73d 14829 NL80211_CMD_DEAUTHENTICATE, gfp, -1, NULL, 0);
6039f6d2
JM		 14830}
14831
53b46b84
JM		 14832void nl80211_send_disassoc(struct cfg80211_registered_device *rdev,
14833 struct net_device *netdev, const u8 *buf,
e6d6e342 14834 size_t len, gfp_t gfp)
6039f6d2
JM		 14835{
14836 nl80211_send_mlme_event(rdev, netdev, buf, len,
4d9ec73d 14837 NL80211_CMD_DISASSOCIATE, gfp, -1, NULL, 0);
6039f6d2
JM		 14838}
14839
6ff57cf8
JB		 14840void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf,
14841 size_t len)
cf4e594e 14842{
947add36
JB		 14843 struct wireless_dev *wdev = dev->ieee80211_ptr;
14844 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 14845 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
6ff57cf8
JB		 14846 const struct ieee80211_mgmt *mgmt = (void *)buf;
14847 u32 cmd;
947add36 14848
6ff57cf8
JB		 14849 if (WARN_ON(len < 2))
14850 return;
cf4e594e 14851
6ff57cf8
JB		 14852 if (ieee80211_is_deauth(mgmt->frame_control))
14853 cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE;
14854 else
14855 cmd = NL80211_CMD_UNPROT_DISASSOCIATE;
947add36 14856
6ff57cf8 14857 trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len);
4d9ec73d
JM		 14858 nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC, -1,
14859 NULL, 0);
cf4e594e 14860}
6ff57cf8 14861EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt);
cf4e594e 14862
1b06bb40
LR		 14863static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev,
14864 struct net_device *netdev, int cmd,
e6d6e342 14865 const u8 *addr, gfp_t gfp)
1965c853
JM		 14866{
14867 struct sk_buff *msg;
14868 void *hdr;
14869
e6d6e342 14870 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
1965c853
JM		 14871 if (!msg)
14872 return;
14873
14874 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
14875 if (!hdr) {
14876 nlmsg_free(msg);
14877 return;
14878 }
14879
9360ffd1
DM		 14880 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14881 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
14882 nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
14883 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
14884 goto nla_put_failure;
1965c853 14885
3b7b72ee 14886 genlmsg_end(msg, hdr);
1965c853 14887
68eb5503 14888 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 14889 NL80211_MCGRP_MLME, gfp);
1965c853
JM		 14890 return;
14891
14892 nla_put_failure:
1965c853
JM		 14893 nlmsg_free(msg);
14894}
14895
14896void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev,
e6d6e342
JB		 14897 struct net_device *netdev, const u8 *addr,
14898 gfp_t gfp)
1965c853
JM		 14899{
14900 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE,
e6d6e342 14901 addr, gfp);
1965c853
JM		 14902}
14903
14904void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev,
e6d6e342
JB		 14905 struct net_device *netdev, const u8 *addr,
14906 gfp_t gfp)
1965c853 14907{
e6d6e342
JB		 14908 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE,
14909 addr, gfp);
1965c853
JM		 14910}
14911
b23aa676 14912void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
5349a0f7
VK		 14913 struct net_device *netdev,
14914 struct cfg80211_connect_resp_params *cr,
3093ebbe 14915 gfp_t gfp)
b23aa676
SO		 14916{
14917 struct sk_buff *msg;
14918 void *hdr;
14919
a3caf744 14920 msg = nlmsg_new(100 + cr->req_ie_len + cr->resp_ie_len +
76804d28
AVS		 14921 cr->fils.kek_len + cr->fils.pmk_len +
14922 (cr->fils.pmkid ? WLAN_PMKID_LEN : 0), gfp);
b23aa676
SO		 14923 if (!msg)
14924 return;
14925
14926 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT);
14927 if (!hdr) {
14928 nlmsg_free(msg);
14929 return;
14930 }
14931
9360ffd1
DM		 14932 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14933 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
5349a0f7
VK		 14934 (cr->bssid &&
14935 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, cr->bssid)) ||
bf1ecd21 14936 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE,
5349a0f7
VK		 14937 cr->status < 0 ? WLAN_STATUS_UNSPECIFIED_FAILURE :
14938 cr->status) ||
14939 (cr->status < 0 &&
3093ebbe 14940 (nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
5349a0f7
VK		 14941 nla_put_u32(msg, NL80211_ATTR_TIMEOUT_REASON,
14942 cr->timeout_reason))) ||
14943 (cr->req_ie &&
14944 nla_put(msg, NL80211_ATTR_REQ_IE, cr->req_ie_len, cr->req_ie)) ||
14945 (cr->resp_ie &&
14946 nla_put(msg, NL80211_ATTR_RESP_IE, cr->resp_ie_len,
a3caf744 14947 cr->resp_ie)) ||
76804d28 14948 (cr->fils.update_erp_next_seq_num &&
a3caf744 14949 nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
76804d28 14950 cr->fils.erp_next_seq_num)) ||
a3caf744 14951 (cr->status == WLAN_STATUS_SUCCESS &&
76804d28
AVS		 14952 ((cr->fils.kek &&
14953 nla_put(msg, NL80211_ATTR_FILS_KEK, cr->fils.kek_len,
14954 cr->fils.kek)) ||
14955 (cr->fils.pmk &&
14956 nla_put(msg, NL80211_ATTR_PMK, cr->fils.pmk_len, cr->fils.pmk)) ||
14957 (cr->fils.pmkid &&
14958 nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, cr->fils.pmkid)))))
9360ffd1 14959 goto nla_put_failure;
b23aa676 14960
3b7b72ee 14961 genlmsg_end(msg, hdr);
b23aa676 14962
68eb5503 14963 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 14964 NL80211_MCGRP_MLME, gfp);
b23aa676
SO		 14965 return;
14966
14967 nla_put_failure:
b23aa676 14968 nlmsg_free(msg);
b23aa676
SO		 14969}
14970
14971void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
29ce6ecb
AS		 14972 struct net_device *netdev,
14973 struct cfg80211_roam_info *info, gfp_t gfp)
b23aa676
SO		 14974{
14975 struct sk_buff *msg;
14976 void *hdr;
29ce6ecb 14977 const u8 *bssid = info->bss ? info->bss->bssid : info->bssid;
b23aa676 14978
e841b7b1
AVS		 14979 msg = nlmsg_new(100 + info->req_ie_len + info->resp_ie_len +
14980 info->fils.kek_len + info->fils.pmk_len +
14981 (info->fils.pmkid ? WLAN_PMKID_LEN : 0), gfp);
b23aa676
SO		 14982 if (!msg)
14983 return;
14984
14985 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM);
14986 if (!hdr) {
14987 nlmsg_free(msg);
14988 return;
14989 }
14990
9360ffd1
DM		 14991 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14992 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
14993 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid) ||
29ce6ecb
AS		 14994 (info->req_ie &&
14995 nla_put(msg, NL80211_ATTR_REQ_IE, info->req_ie_len,
14996 info->req_ie)) ||
14997 (info->resp_ie &&
14998 nla_put(msg, NL80211_ATTR_RESP_IE, info->resp_ie_len,
e841b7b1
AVS		 14999 info->resp_ie)) ||
15000 (info->fils.update_erp_next_seq_num &&
15001 nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
15002 info->fils.erp_next_seq_num)) ||
15003 (info->fils.kek &&
15004 nla_put(msg, NL80211_ATTR_FILS_KEK, info->fils.kek_len,
15005 info->fils.kek)) ||
15006 (info->fils.pmk &&
15007 nla_put(msg, NL80211_ATTR_PMK, info->fils.pmk_len, info->fils.pmk)) ||
15008 (info->fils.pmkid &&
15009 nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, info->fils.pmkid)))
9360ffd1 15010 goto nla_put_failure;
b23aa676 15011
3b7b72ee 15012 genlmsg_end(msg, hdr);
b23aa676 15013
68eb5503 15014 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 15015 NL80211_MCGRP_MLME, gfp);
b23aa676
SO		 15016 return;
15017
503c1fb9 15018 nla_put_failure:
503c1fb9
AS		 15019 nlmsg_free(msg);
15020}
15021
15022void nl80211_send_port_authorized(struct cfg80211_registered_device *rdev,
15023 struct net_device *netdev, const u8 *bssid)
15024{
15025 struct sk_buff *msg;
15026 void *hdr;
15027
15028 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
15029 if (!msg)
15030 return;
15031
15032 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PORT_AUTHORIZED);
15033 if (!hdr) {
15034 nlmsg_free(msg);
15035 return;
15036 }
15037
15038 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
15039 goto nla_put_failure;
15040
15041 genlmsg_end(msg, hdr);
15042
15043 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15044 NL80211_MCGRP_MLME, GFP_KERNEL);
15045 return;
15046
b23aa676 15047 nla_put_failure:
b23aa676 15048 nlmsg_free(msg);
b23aa676
SO		 15049}
15050
15051void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
15052 struct net_device *netdev, u16 reason,
667503dd 15053 const u8 *ie, size_t ie_len, bool from_ap)
b23aa676
SO		 15054{
15055 struct sk_buff *msg;
15056 void *hdr;
15057
4ef8c1c9 15058 msg = nlmsg_new(100 + ie_len, GFP_KERNEL);
b23aa676
SO		 15059 if (!msg)
15060 return;
15061
15062 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT);
15063 if (!hdr) {
15064 nlmsg_free(msg);
15065 return;
15066 }
15067
9360ffd1
DM		 15068 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15069 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
86b6c465 15070 (reason &&
9360ffd1
DM		 15071 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) ||
15072 (from_ap &&
15073 nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) ||
15074 (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie)))
15075 goto nla_put_failure;
b23aa676 15076
3b7b72ee 15077 genlmsg_end(msg, hdr);
b23aa676 15078
68eb5503 15079 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 15080 NL80211_MCGRP_MLME, GFP_KERNEL);
b23aa676
SO		 15081 return;
15082
15083 nla_put_failure:
b23aa676 15084 nlmsg_free(msg);
b23aa676
SO		 15085}
15086
04a773ad
JB		 15087void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev,
15088 struct net_device *netdev, const u8 *bssid,
15089 gfp_t gfp)
15090{
15091 struct sk_buff *msg;
15092 void *hdr;
15093
fd2120ca 15094 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
04a773ad
JB		 15095 if (!msg)
15096 return;
15097
15098 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS);
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) ||
15106 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
15107 goto nla_put_failure;
04a773ad 15108
3b7b72ee 15109 genlmsg_end(msg, hdr);
04a773ad 15110
68eb5503 15111 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 15112 NL80211_MCGRP_MLME, gfp);
04a773ad
JB		 15113 return;
15114
15115 nla_put_failure:
04a773ad
JB		 15116 nlmsg_free(msg);
15117}
15118
947add36 15119void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr,
ecbc12ad
BC		 15120 const u8 *ie, u8 ie_len,
15121 int sig_dbm, gfp_t gfp)
c93b5e71 15122{
947add36 15123 struct wireless_dev *wdev = dev->ieee80211_ptr;
f26cbf40 15124 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
c93b5e71
JC		 15125 struct sk_buff *msg;
15126 void *hdr;
15127
947add36
JB		 15128 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT))
15129 return;
15130
15131 trace_cfg80211_notify_new_peer_candidate(dev, addr);
15132
4ef8c1c9 15133 msg = nlmsg_new(100 + ie_len, gfp);
c93b5e71
JC		 15134 if (!msg)
15135 return;
15136
15137 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE);
15138 if (!hdr) {
15139 nlmsg_free(msg);
15140 return;
15141 }
15142
9360ffd1 15143 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
947add36
JB		 15144 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
15145 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
9360ffd1 15146 (ie_len && ie &&
ecbc12ad
BC		 15147 nla_put(msg, NL80211_ATTR_IE, ie_len, ie)) ||
15148 (sig_dbm &&
15149 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)))
9360ffd1 15150 goto nla_put_failure;
c93b5e71 15151
3b7b72ee 15152 genlmsg_end(msg, hdr);
c93b5e71 15153
68eb5503 15154 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 15155 NL80211_MCGRP_MLME, gfp);
c93b5e71
JC		 15156 return;
15157
15158 nla_put_failure:
c93b5e71
JC		 15159 nlmsg_free(msg);
15160}
947add36 15161EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate);
c93b5e71 15162
a3b8b056
JM		 15163void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
15164 struct net_device *netdev, const u8 *addr,
15165 enum nl80211_key_type key_type, int key_id,
e6d6e342 15166 const u8 *tsc, gfp_t gfp)
a3b8b056
JM		 15167{
15168 struct sk_buff *msg;
15169 void *hdr;
15170
e6d6e342 15171 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
a3b8b056
JM		 15172 if (!msg)
15173 return;
15174
15175 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE);
15176 if (!hdr) {
15177 nlmsg_free(msg);
15178 return;
15179 }
15180
9360ffd1
DM		 15181 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15182 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15183 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
15184 nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) ||
15185 (key_id != -1 &&
15186 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) ||
15187 (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc)))
15188 goto nla_put_failure;
a3b8b056 15189
3b7b72ee 15190 genlmsg_end(msg, hdr);
a3b8b056 15191
68eb5503 15192 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 15193 NL80211_MCGRP_MLME, gfp);
a3b8b056
JM		 15194 return;
15195
15196 nla_put_failure:
a3b8b056
JM		 15197 nlmsg_free(msg);
15198}
15199
6bad8766
LR		 15200void nl80211_send_beacon_hint_event(struct wiphy *wiphy,
15201 struct ieee80211_channel *channel_before,
15202 struct ieee80211_channel *channel_after)
15203{
15204 struct sk_buff *msg;
15205 void *hdr;
15206 struct nlattr *nl_freq;
15207
fd2120ca 15208 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
6bad8766
LR		 15209 if (!msg)
15210 return;
15211
15212 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT);
15213 if (!hdr) {
15214 nlmsg_free(msg);
15215 return;
15216 }
15217
15218 /*
15219 * Since we are applying the beacon hint to a wiphy we know its
15220 * wiphy_idx is valid
15221 */
9360ffd1
DM		 15222 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
15223 goto nla_put_failure;
6bad8766
LR		 15224
15225 /* Before */
ae0be8de 15226 nl_freq = nla_nest_start_noflag(msg, NL80211_ATTR_FREQ_BEFORE);
6bad8766
LR		 15227 if (!nl_freq)
15228 goto nla_put_failure;
50f32718
HD		 15229
15230 if (nl80211_msg_put_channel(msg, wiphy, channel_before, false))
6bad8766
LR		 15231 goto nla_put_failure;
15232 nla_nest_end(msg, nl_freq);
15233
15234 /* After */
ae0be8de 15235 nl_freq = nla_nest_start_noflag(msg, NL80211_ATTR_FREQ_AFTER);
6bad8766
LR		 15236 if (!nl_freq)
15237 goto nla_put_failure;
50f32718
HD		 15238
15239 if (nl80211_msg_put_channel(msg, wiphy, channel_after, false))
6bad8766
LR		 15240 goto nla_put_failure;
15241 nla_nest_end(msg, nl_freq);
15242
3b7b72ee 15243 genlmsg_end(msg, hdr);
6bad8766 15244
463d0183 15245 rcu_read_lock();
68eb5503 15246 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
2a94fe48 15247 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
463d0183 15248 rcu_read_unlock();
6bad8766
LR		 15249
15250 return;
15251
15252nla_put_failure:
6bad8766
LR		 15253 nlmsg_free(msg);
15254}
15255
9588bbd5
JM		 15256static void nl80211_send_remain_on_chan_event(
15257 int cmd, struct cfg80211_registered_device *rdev,
71bbc994 15258 struct wireless_dev *wdev, u64 cookie,
9588bbd5 15259 struct ieee80211_channel *chan,
9588bbd5
JM		 15260 unsigned int duration, gfp_t gfp)
15261{
15262 struct sk_buff *msg;
15263 void *hdr;
15264
15265 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15266 if (!msg)
15267 return;
15268
15269 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
15270 if (!hdr) {
15271 nlmsg_free(msg);
15272 return;
15273 }
15274
9360ffd1 15275 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
71bbc994
JB		 15276 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
15277 wdev->netdev->ifindex)) ||
2dad624e
ND		 15278 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
15279 NL80211_ATTR_PAD) ||
9360ffd1 15280 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) ||
42d97a59
JB		 15281 nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
15282 NL80211_CHAN_NO_HT) ||
2dad624e
ND		 15283 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
15284 NL80211_ATTR_PAD))
9360ffd1 15285 goto nla_put_failure;
9588bbd5 15286
9360ffd1
DM		 15287 if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL &&
15288 nla_put_u32(msg, NL80211_ATTR_DURATION, duration))
15289 goto nla_put_failure;
9588bbd5 15290
3b7b72ee 15291 genlmsg_end(msg, hdr);
9588bbd5 15292
68eb5503 15293 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 15294 NL80211_MCGRP_MLME, gfp);
9588bbd5
JM		 15295 return;
15296
15297 nla_put_failure:
9588bbd5
JM		 15298 nlmsg_free(msg);
15299}
15300
947add36
JB		 15301void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie,
15302 struct ieee80211_channel *chan,
15303 unsigned int duration, gfp_t gfp)
9588bbd5 15304{
947add36 15305 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 15306 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
947add36
JB		 15307
15308 trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration);
9588bbd5 15309 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL,
71bbc994 15310 rdev, wdev, cookie, chan,
42d97a59 15311 duration, gfp);
9588bbd5 15312}
947add36 15313EXPORT_SYMBOL(cfg80211_ready_on_channel);
9588bbd5 15314
947add36
JB		 15315void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie,
15316 struct ieee80211_channel *chan,
15317 gfp_t gfp)
9588bbd5 15318{
947add36 15319 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 15320 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
947add36
JB		 15321
15322 trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan);
9588bbd5 15323 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
42d97a59 15324 rdev, wdev, cookie, chan, 0, gfp);
9588bbd5 15325}
947add36 15326EXPORT_SYMBOL(cfg80211_remain_on_channel_expired);
9588bbd5 15327
947add36
JB		 15328void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr,
15329 struct station_info *sinfo, gfp_t gfp)
98b62183 15330{
947add36 15331 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
f26cbf40 15332 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
98b62183
JB		 15333 struct sk_buff *msg;
15334
947add36
JB		 15335 trace_cfg80211_new_sta(dev, mac_addr, sinfo);
15336
58050fce 15337 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
98b62183
JB		 15338 if (!msg)
15339 return;
15340
cf5ead82 15341 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION, 0, 0, 0,
66266b3a 15342 rdev, dev, mac_addr, sinfo) < 0) {
98b62183
JB		 15343 nlmsg_free(msg);
15344 return;
15345 }
15346
68eb5503 15347 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 15348 NL80211_MCGRP_MLME, gfp);
98b62183 15349}
947add36 15350EXPORT_SYMBOL(cfg80211_new_sta);
98b62183 15351
cf5ead82
JB		 15352void cfg80211_del_sta_sinfo(struct net_device *dev, const u8 *mac_addr,
15353 struct station_info *sinfo, gfp_t gfp)
ec15e68b 15354{
947add36 15355 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
f26cbf40 15356 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
ec15e68b 15357 struct sk_buff *msg;
73887fd9 15358 struct station_info empty_sinfo = {};
cf5ead82 15359
73887fd9
JB		 15360 if (!sinfo)
15361 sinfo = &empty_sinfo;
ec15e68b 15362
947add36
JB		 15363 trace_cfg80211_del_sta(dev, mac_addr);
15364
58050fce 15365 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
7ea3e110
JB		 15366 if (!msg) {
15367 cfg80211_sinfo_release_content(sinfo);
73887fd9 15368 return;
7ea3e110 15369 }
ec15e68b 15370
cf5ead82 15371 if (nl80211_send_station(msg, NL80211_CMD_DEL_STATION, 0, 0, 0,
57007121 15372 rdev, dev, mac_addr, sinfo) < 0) {
ec15e68b 15373 nlmsg_free(msg);
73887fd9 15374 return;
ec15e68b
JM		 15375 }
15376
68eb5503 15377 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 15378 NL80211_MCGRP_MLME, gfp);
ec15e68b 15379}
cf5ead82 15380EXPORT_SYMBOL(cfg80211_del_sta_sinfo);
ec15e68b 15381
947add36
JB		 15382void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr,
15383 enum nl80211_connect_failed_reason reason,
15384 gfp_t gfp)
ed44a951 15385{
947add36 15386 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
f26cbf40 15387 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
ed44a951
PP		 15388 struct sk_buff *msg;
15389 void *hdr;
15390
15391 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
15392 if (!msg)
15393 return;
15394
15395 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED);
15396 if (!hdr) {
15397 nlmsg_free(msg);
15398 return;
15399 }
15400
15401 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
15402 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
15403 nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason))
15404 goto nla_put_failure;
15405
15406 genlmsg_end(msg, hdr);
15407
68eb5503 15408 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 15409 NL80211_MCGRP_MLME, gfp);
ed44a951
PP		 15410 return;
15411
15412 nla_put_failure:
ed44a951
PP		 15413 nlmsg_free(msg);
15414}
947add36 15415EXPORT_SYMBOL(cfg80211_conn_failed);
ed44a951 15416
b92ab5d8
JB		 15417static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd,
15418 const u8 *addr, gfp_t gfp)
28946da7
JB		 15419{
15420 struct wireless_dev *wdev = dev->ieee80211_ptr;
f26cbf40 15421 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
28946da7
JB		 15422 struct sk_buff *msg;
15423 void *hdr;
6aa7de05 15424 u32 nlportid = READ_ONCE(wdev->ap_unexpected_nlportid);
28946da7 15425
15e47304 15426 if (!nlportid)
28946da7
JB		 15427 return false;
15428
15429 msg = nlmsg_new(100, gfp);
15430 if (!msg)
15431 return true;
15432
b92ab5d8 15433 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
28946da7
JB		 15434 if (!hdr) {
15435 nlmsg_free(msg);
15436 return true;
15437 }
15438
9360ffd1
DM		 15439 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15440 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
15441 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
15442 goto nla_put_failure;
28946da7 15443
9c90a9f6 15444 genlmsg_end(msg, hdr);
15e47304 15445 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
28946da7
JB		 15446 return true;
15447
15448 nla_put_failure:
28946da7
JB		 15449 nlmsg_free(msg);
15450 return true;
15451}
15452
947add36
JB		 15453bool cfg80211_rx_spurious_frame(struct net_device *dev,
15454 const u8 *addr, gfp_t gfp)
b92ab5d8 15455{
947add36
JB		 15456 struct wireless_dev *wdev = dev->ieee80211_ptr;
15457 bool ret;
15458
15459 trace_cfg80211_rx_spurious_frame(dev, addr);
15460
15461 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
15462 wdev->iftype != NL80211_IFTYPE_P2P_GO)) {
15463 trace_cfg80211_return_bool(false);
15464 return false;
15465 }
15466 ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME,
15467 addr, gfp);
15468 trace_cfg80211_return_bool(ret);
15469 return ret;
b92ab5d8 15470}
947add36 15471EXPORT_SYMBOL(cfg80211_rx_spurious_frame);
b92ab5d8 15472
947add36
JB		 15473bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev,
15474 const u8 *addr, gfp_t gfp)
b92ab5d8 15475{
947add36
JB		 15476 struct wireless_dev *wdev = dev->ieee80211_ptr;
15477 bool ret;
15478
15479 trace_cfg80211_rx_unexpected_4addr_frame(dev, addr);
15480
15481 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
15482 wdev->iftype != NL80211_IFTYPE_P2P_GO &&
15483 wdev->iftype != NL80211_IFTYPE_AP_VLAN)) {
15484 trace_cfg80211_return_bool(false);
15485 return false;
15486 }
15487 ret = __nl80211_unexpected_frame(dev,
15488 NL80211_CMD_UNEXPECTED_4ADDR_FRAME,
15489 addr, gfp);
15490 trace_cfg80211_return_bool(ret);
15491 return ret;
b92ab5d8 15492}
947add36 15493EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame);
b92ab5d8 15494
2e161f78 15495int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
15e47304 15496 struct wireless_dev *wdev, u32 nlportid,
804483e9 15497 int freq, int sig_dbm,
19504cf5 15498 const u8 *buf, size_t len, u32 flags, gfp_t gfp)
026331c4 15499{
71bbc994 15500 struct net_device *netdev = wdev->netdev;
026331c4
JM		 15501 struct sk_buff *msg;
15502 void *hdr;
026331c4 15503
4ef8c1c9 15504 msg = nlmsg_new(100 + len, gfp);
026331c4
JM		 15505 if (!msg)
15506 return -ENOMEM;
15507
2e161f78 15508 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
026331c4
JM		 15509 if (!hdr) {
15510 nlmsg_free(msg);
15511 return -ENOMEM;
15512 }
15513
9360ffd1 15514 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
71bbc994
JB		 15515 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
15516 netdev->ifindex)) ||
2dad624e
ND		 15517 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
15518 NL80211_ATTR_PAD) ||
9360ffd1
DM		 15519 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) ||
15520 (sig_dbm &&
15521 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
19504cf5
VK		 15522 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
15523 (flags &&
15524 nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, flags)))
9360ffd1 15525 goto nla_put_failure;
026331c4 15526
3b7b72ee 15527 genlmsg_end(msg, hdr);
026331c4 15528
15e47304 15529 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
026331c4
JM		 15530
15531 nla_put_failure:
026331c4
JM		 15532 nlmsg_free(msg);
15533 return -ENOBUFS;
15534}
15535
947add36
JB		 15536void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie,
15537 const u8 *buf, size_t len, bool ack, gfp_t gfp)
026331c4 15538{
947add36 15539 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 15540 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
71bbc994 15541 struct net_device *netdev = wdev->netdev;
026331c4
JM		 15542 struct sk_buff *msg;
15543 void *hdr;
15544
947add36
JB		 15545 trace_cfg80211_mgmt_tx_status(wdev, cookie, ack);
15546
4ef8c1c9 15547 msg = nlmsg_new(100 + len, gfp);
026331c4
JM		 15548 if (!msg)
15549 return;
15550
2e161f78 15551 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS);
026331c4
JM		 15552 if (!hdr) {
15553 nlmsg_free(msg);
15554 return;
15555 }
15556
9360ffd1 15557 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
71bbc994
JB		 15558 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
15559 netdev->ifindex)) ||
2dad624e
ND		 15560 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
15561 NL80211_ATTR_PAD) ||
9360ffd1 15562 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
2dad624e
ND		 15563 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
15564 NL80211_ATTR_PAD) ||
9360ffd1
DM		 15565 (ack && nla_put_flag(msg, NL80211_ATTR_ACK)))
15566 goto nla_put_failure;
026331c4 15567
3b7b72ee 15568 genlmsg_end(msg, hdr);
026331c4 15569
68eb5503 15570 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 15571 NL80211_MCGRP_MLME, gfp);
026331c4
JM		 15572 return;
15573
15574 nla_put_failure:
026331c4
JM		 15575 nlmsg_free(msg);
15576}
947add36 15577EXPORT_SYMBOL(cfg80211_mgmt_tx_status);
026331c4 15578
6a671a50 15579static int __nl80211_rx_control_port(struct net_device *dev,
a948f713 15580 struct sk_buff *skb,
6a671a50
DK		 15581 bool unencrypted, gfp_t gfp)
15582{
15583 struct wireless_dev *wdev = dev->ieee80211_ptr;
15584 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
a948f713
DK		 15585 struct ethhdr *ehdr = eth_hdr(skb);
15586 const u8 *addr = ehdr->h_source;
15587 u16 proto = be16_to_cpu(skb->protocol);
6a671a50
DK		 15588 struct sk_buff *msg;
15589 void *hdr;
a948f713
DK		 15590 struct nlattr *frame;
15591
6a671a50
DK		 15592 u32 nlportid = READ_ONCE(wdev->conn_owner_nlportid);
15593
15594 if (!nlportid)
15595 return -ENOENT;
15596
a948f713 15597 msg = nlmsg_new(100 + skb->len, gfp);
6a671a50
DK		 15598 if (!msg)
15599 return -ENOMEM;
15600
15601 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONTROL_PORT_FRAME);
15602 if (!hdr) {
15603 nlmsg_free(msg);
15604 return -ENOBUFS;
15605 }
15606
15607 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15608 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
15609 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
15610 NL80211_ATTR_PAD) ||
6a671a50
DK		 15611 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
15612 nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, proto) ||
15613 (unencrypted && nla_put_flag(msg,
15614 NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)))
15615 goto nla_put_failure;
15616
a948f713
DK		 15617 frame = nla_reserve(msg, NL80211_ATTR_FRAME, skb->len);
15618 if (!frame)
15619 goto nla_put_failure;
15620
15621 skb_copy_bits(skb, 0, nla_data(frame), skb->len);
6a671a50
DK		 15622 genlmsg_end(msg, hdr);
15623
15624 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
15625
15626 nla_put_failure:
15627 nlmsg_free(msg);
15628 return -ENOBUFS;
15629}
15630
15631bool cfg80211_rx_control_port(struct net_device *dev,
a948f713 15632 struct sk_buff *skb, bool unencrypted)
6a671a50
DK		 15633{
15634 int ret;
15635
a948f713
DK		 15636 trace_cfg80211_rx_control_port(dev, skb, unencrypted);
15637 ret = __nl80211_rx_control_port(dev, skb, unencrypted, GFP_ATOMIC);
6a671a50
DK		 15638 trace_cfg80211_return_bool(ret == 0);
15639 return ret == 0;
15640}
15641EXPORT_SYMBOL(cfg80211_rx_control_port);
15642
5b97f49d
JB		 15643static struct sk_buff *cfg80211_prepare_cqm(struct net_device *dev,
15644 const char *mac, gfp_t gfp)
d6dc1a38 15645{
947add36 15646 struct wireless_dev *wdev = dev->ieee80211_ptr;
5b97f49d
JB		 15647 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
15648 struct sk_buff *msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15649 void **cb;
947add36 15650
d6dc1a38 15651 if (!msg)
5b97f49d 15652 return NULL;
d6dc1a38 15653
5b97f49d
JB		 15654 cb = (void **)msg->cb;
15655
15656 cb[0] = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
15657 if (!cb[0]) {
d6dc1a38 15658 nlmsg_free(msg);
5b97f49d 15659 return NULL;
d6dc1a38
JO		 15660 }
15661
9360ffd1 15662 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
947add36 15663 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
9360ffd1 15664 goto nla_put_failure;
d6dc1a38 15665
5b97f49d 15666 if (mac && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
d6dc1a38
JO		 15667 goto nla_put_failure;
15668
ae0be8de 15669 cb[1] = nla_nest_start_noflag(msg, NL80211_ATTR_CQM);
5b97f49d 15670 if (!cb[1])
9360ffd1 15671 goto nla_put_failure;
d6dc1a38 15672
5b97f49d 15673 cb[2] = rdev;
d6dc1a38 15674
5b97f49d
JB		 15675 return msg;
15676 nla_put_failure:
15677 nlmsg_free(msg);
15678 return NULL;
15679}
15680
15681static void cfg80211_send_cqm(struct sk_buff *msg, gfp_t gfp)
15682{
15683 void **cb = (void **)msg->cb;
15684 struct cfg80211_registered_device *rdev = cb[2];
15685
15686 nla_nest_end(msg, cb[1]);
15687 genlmsg_end(msg, cb[0]);
15688
15689 memset(msg->cb, 0, sizeof(msg->cb));
d6dc1a38 15690
68eb5503 15691 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 15692 NL80211_MCGRP_MLME, gfp);
5b97f49d
JB		 15693}
15694
15695void cfg80211_cqm_rssi_notify(struct net_device *dev,
15696 enum nl80211_cqm_rssi_threshold_event rssi_event,
bee427b8 15697 s32 rssi_level, gfp_t gfp)
5b97f49d
JB		 15698{
15699 struct sk_buff *msg;
4a4b8169
AZ		 15700 struct wireless_dev *wdev = dev->ieee80211_ptr;
15701 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
5b97f49d 15702
bee427b8 15703 trace_cfg80211_cqm_rssi_notify(dev, rssi_event, rssi_level);
5b97f49d 15704
98f03342
JB		 15705 if (WARN_ON(rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW &&
15706 rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH))
15707 return;
15708
4a4b8169
AZ		 15709 if (wdev->cqm_config) {
15710 wdev->cqm_config->last_rssi_event_value = rssi_level;
15711
15712 cfg80211_cqm_rssi_update(rdev, dev);
15713
15714 if (rssi_level == 0)
15715 rssi_level = wdev->cqm_config->last_rssi_event_value;
15716 }
15717
5b97f49d
JB		 15718 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
15719 if (!msg)
15720 return;
15721
15722 if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT,
15723 rssi_event))
15724 goto nla_put_failure;
15725
bee427b8
AZ		 15726 if (rssi_level && nla_put_s32(msg, NL80211_ATTR_CQM_RSSI_LEVEL,
15727 rssi_level))
15728 goto nla_put_failure;
15729
5b97f49d
JB		 15730 cfg80211_send_cqm(msg, gfp);
15731
d6dc1a38
JO		 15732 return;
15733
15734 nla_put_failure:
d6dc1a38
JO		 15735 nlmsg_free(msg);
15736}
947add36 15737EXPORT_SYMBOL(cfg80211_cqm_rssi_notify);
d6dc1a38 15738
5b97f49d
JB		 15739void cfg80211_cqm_txe_notify(struct net_device *dev,
15740 const u8 *peer, u32 num_packets,
15741 u32 rate, u32 intvl, gfp_t gfp)
15742{
15743 struct sk_buff *msg;
15744
15745 msg = cfg80211_prepare_cqm(dev, peer, gfp);
15746 if (!msg)
15747 return;
15748
15749 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets))
15750 goto nla_put_failure;
15751
15752 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate))
15753 goto nla_put_failure;
15754
15755 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl))
15756 goto nla_put_failure;
15757
15758 cfg80211_send_cqm(msg, gfp);
15759 return;
15760
15761 nla_put_failure:
15762 nlmsg_free(msg);
15763}
15764EXPORT_SYMBOL(cfg80211_cqm_txe_notify);
15765
15766void cfg80211_cqm_pktloss_notify(struct net_device *dev,
15767 const u8 *peer, u32 num_packets, gfp_t gfp)
15768{
15769 struct sk_buff *msg;
15770
15771 trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets);
15772
15773 msg = cfg80211_prepare_cqm(dev, peer, gfp);
15774 if (!msg)
15775 return;
15776
15777 if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets))
15778 goto nla_put_failure;
15779
15780 cfg80211_send_cqm(msg, gfp);
15781 return;
15782
15783 nla_put_failure:
15784 nlmsg_free(msg);
15785}
15786EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify);
15787
98f03342
JB		 15788void cfg80211_cqm_beacon_loss_notify(struct net_device *dev, gfp_t gfp)
15789{
15790 struct sk_buff *msg;
15791
15792 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
15793 if (!msg)
15794 return;
15795
15796 if (nla_put_flag(msg, NL80211_ATTR_CQM_BEACON_LOSS_EVENT))
15797 goto nla_put_failure;
15798
15799 cfg80211_send_cqm(msg, gfp);
15800 return;
15801
15802 nla_put_failure:
15803 nlmsg_free(msg);
15804}
15805EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify);
15806
947add36
JB		 15807static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev,
15808 struct net_device *netdev, const u8 *bssid,
15809 const u8 *replay_ctr, gfp_t gfp)
e5497d76
JB		 15810{
15811 struct sk_buff *msg;
15812 struct nlattr *rekey_attr;
15813 void *hdr;
15814
58050fce 15815 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
e5497d76
JB		 15816 if (!msg)
15817 return;
15818
15819 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD);
15820 if (!hdr) {
15821 nlmsg_free(msg);
15822 return;
15823 }
15824
9360ffd1
DM		 15825 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15826 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15827 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
15828 goto nla_put_failure;
e5497d76 15829
ae0be8de 15830 rekey_attr = nla_nest_start_noflag(msg, NL80211_ATTR_REKEY_DATA);
e5497d76
JB		 15831 if (!rekey_attr)
15832 goto nla_put_failure;
15833
9360ffd1
DM		 15834 if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR,
15835 NL80211_REPLAY_CTR_LEN, replay_ctr))
15836 goto nla_put_failure;
e5497d76
JB		 15837
15838 nla_nest_end(msg, rekey_attr);
15839
3b7b72ee 15840 genlmsg_end(msg, hdr);
e5497d76 15841
68eb5503 15842 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 15843 NL80211_MCGRP_MLME, gfp);
e5497d76
JB		 15844 return;
15845
15846 nla_put_failure:
e5497d76
JB		 15847 nlmsg_free(msg);
15848}
15849
947add36
JB		 15850void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid,
15851 const u8 *replay_ctr, gfp_t gfp)
15852{
15853 struct wireless_dev *wdev = dev->ieee80211_ptr;
15854 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 15855 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
947add36
JB		 15856
15857 trace_cfg80211_gtk_rekey_notify(dev, bssid);
15858 nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp);
15859}
15860EXPORT_SYMBOL(cfg80211_gtk_rekey_notify);
15861
15862static void
15863nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev,
15864 struct net_device *netdev, int index,
15865 const u8 *bssid, bool preauth, gfp_t gfp)
c9df56b4
JM		 15866{
15867 struct sk_buff *msg;
15868 struct nlattr *attr;
15869 void *hdr;
15870
58050fce 15871 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
c9df56b4
JM		 15872 if (!msg)
15873 return;
15874
15875 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE);
15876 if (!hdr) {
15877 nlmsg_free(msg);
15878 return;
15879 }
15880
9360ffd1
DM		 15881 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15882 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
15883 goto nla_put_failure;
c9df56b4 15884
ae0be8de 15885 attr = nla_nest_start_noflag(msg, NL80211_ATTR_PMKSA_CANDIDATE);
c9df56b4
JM		 15886 if (!attr)
15887 goto nla_put_failure;
15888
9360ffd1
DM		 15889 if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) ||
15890 nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) ||
15891 (preauth &&
15892 nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH)))
15893 goto nla_put_failure;
c9df56b4
JM		 15894
15895 nla_nest_end(msg, attr);
15896
3b7b72ee 15897 genlmsg_end(msg, hdr);
c9df56b4 15898
68eb5503 15899 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 15900 NL80211_MCGRP_MLME, gfp);
c9df56b4
JM		 15901 return;
15902
15903 nla_put_failure:
c9df56b4
JM		 15904 nlmsg_free(msg);
15905}
15906
947add36
JB		 15907void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index,
15908 const u8 *bssid, bool preauth, gfp_t gfp)
15909{
15910 struct wireless_dev *wdev = dev->ieee80211_ptr;
15911 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 15912 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
947add36
JB		 15913
15914 trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth);
15915 nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp);
15916}
15917EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify);
15918
15919static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev,
15920 struct net_device *netdev,
15921 struct cfg80211_chan_def *chandef,
f8d7552e
LC		 15922 gfp_t gfp,
15923 enum nl80211_commands notif,
15924 u8 count)
5314526b
TP		 15925{
15926 struct sk_buff *msg;
15927 void *hdr;
15928
58050fce 15929 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
5314526b
TP		 15930 if (!msg)
15931 return;
15932
f8d7552e 15933 hdr = nl80211hdr_put(msg, 0, 0, 0, notif);
5314526b
TP		 15934 if (!hdr) {
15935 nlmsg_free(msg);
15936 return;
15937 }
15938
683b6d3b
JB		 15939 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
15940 goto nla_put_failure;
15941
15942 if (nl80211_send_chandef(msg, chandef))
7eab0f64 15943 goto nla_put_failure;
5314526b 15944
f8d7552e
LC		 15945 if ((notif == NL80211_CMD_CH_SWITCH_STARTED_NOTIFY) &&
15946 (nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT, count)))
15947 goto nla_put_failure;
15948
5314526b
TP		 15949 genlmsg_end(msg, hdr);
15950
68eb5503 15951 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 15952 NL80211_MCGRP_MLME, gfp);
5314526b
TP		 15953 return;
15954
15955 nla_put_failure:
5314526b
TP		 15956 nlmsg_free(msg);
15957}
15958
947add36
JB		 15959void cfg80211_ch_switch_notify(struct net_device *dev,
15960 struct cfg80211_chan_def *chandef)
84f10708 15961{
947add36
JB		 15962 struct wireless_dev *wdev = dev->ieee80211_ptr;
15963 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 15964 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
947add36 15965
e487eaeb 15966 ASSERT_WDEV_LOCK(wdev);
947add36 15967
e487eaeb 15968 trace_cfg80211_ch_switch_notify(dev, chandef);
947add36 15969
9e0e2961 15970 wdev->chandef = *chandef;
96f55f12 15971 wdev->preset_chandef = *chandef;
5dc8cdce
SM		 15972
15973 if (wdev->iftype == NL80211_IFTYPE_STATION &&
15974 !WARN_ON(!wdev->current_bss))
15975 wdev->current_bss->pub.channel = chandef->chan;
15976
f8d7552e
LC		 15977 nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL,
15978 NL80211_CMD_CH_SWITCH_NOTIFY, 0);
947add36
JB		 15979}
15980EXPORT_SYMBOL(cfg80211_ch_switch_notify);
15981
f8d7552e
LC		 15982void cfg80211_ch_switch_started_notify(struct net_device *dev,
15983 struct cfg80211_chan_def *chandef,
15984 u8 count)
15985{
15986 struct wireless_dev *wdev = dev->ieee80211_ptr;
15987 struct wiphy *wiphy = wdev->wiphy;
15988 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
15989
15990 trace_cfg80211_ch_switch_started_notify(dev, chandef);
15991
15992 nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL,
15993 NL80211_CMD_CH_SWITCH_STARTED_NOTIFY, count);
15994}
15995EXPORT_SYMBOL(cfg80211_ch_switch_started_notify);
15996
04f39047
SW		 15997void
15998nl80211_radar_notify(struct cfg80211_registered_device *rdev,
d2859df5 15999 const struct cfg80211_chan_def *chandef,
04f39047
SW		 16000 enum nl80211_radar_event event,
16001 struct net_device *netdev, gfp_t gfp)
16002{
16003 struct sk_buff *msg;
16004 void *hdr;
16005
16006 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16007 if (!msg)
16008 return;
16009
16010 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT);
16011 if (!hdr) {
16012 nlmsg_free(msg);
16013 return;
16014 }
16015
16016 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
16017 goto nla_put_failure;
16018
16019 /* NOP and radar events don't need a netdev parameter */
16020 if (netdev) {
16021 struct wireless_dev *wdev = netdev->ieee80211_ptr;
16022
16023 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
2dad624e
ND		 16024 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16025 NL80211_ATTR_PAD))
04f39047
SW		 16026 goto nla_put_failure;
16027 }
16028
16029 if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event))
16030 goto nla_put_failure;
16031
16032 if (nl80211_send_chandef(msg, chandef))
16033 goto nla_put_failure;
16034
9c90a9f6 16035 genlmsg_end(msg, hdr);
04f39047 16036
68eb5503 16037 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 16038 NL80211_MCGRP_MLME, gfp);
04f39047
SW		 16039 return;
16040
16041 nla_put_failure:
04f39047
SW		 16042 nlmsg_free(msg);
16043}
16044
466b9936
TCR		 16045void cfg80211_sta_opmode_change_notify(struct net_device *dev, const u8 *mac,
16046 struct sta_opmode_info *sta_opmode,
16047 gfp_t gfp)
16048{
16049 struct sk_buff *msg;
16050 struct wireless_dev *wdev = dev->ieee80211_ptr;
16051 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16052 void *hdr;
16053
16054 if (WARN_ON(!mac))
16055 return;
16056
16057 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16058 if (!msg)
16059 return;
16060
16061 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STA_OPMODE_CHANGED);
16062 if (!hdr) {
16063 nlmsg_free(msg);
16064 return;
16065 }
16066
16067 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
16068 goto nla_put_failure;
16069
16070 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
16071 goto nla_put_failure;
16072
16073 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
16074 goto nla_put_failure;
16075
16076 if ((sta_opmode->changed & STA_OPMODE_SMPS_MODE_CHANGED) &&
16077 nla_put_u8(msg, NL80211_ATTR_SMPS_MODE, sta_opmode->smps_mode))
16078 goto nla_put_failure;
16079
16080 if ((sta_opmode->changed & STA_OPMODE_MAX_BW_CHANGED) &&
16081 nla_put_u8(msg, NL80211_ATTR_CHANNEL_WIDTH, sta_opmode->bw))
16082 goto nla_put_failure;
16083
16084 if ((sta_opmode->changed & STA_OPMODE_N_SS_CHANGED) &&
16085 nla_put_u8(msg, NL80211_ATTR_NSS, sta_opmode->rx_nss))
16086 goto nla_put_failure;
16087
16088 genlmsg_end(msg, hdr);
16089
16090 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16091 NL80211_MCGRP_MLME, gfp);
16092
16093 return;
16094
16095nla_put_failure:
16096 nlmsg_free(msg);
16097}
16098EXPORT_SYMBOL(cfg80211_sta_opmode_change_notify);
16099
7f6cf311 16100void cfg80211_probe_status(struct net_device *dev, const u8 *addr,
c4b50cd3
VN		 16101 u64 cookie, bool acked, s32 ack_signal,
16102 bool is_valid_ack_signal, gfp_t gfp)
7f6cf311
JB		 16103{
16104 struct wireless_dev *wdev = dev->ieee80211_ptr;
f26cbf40 16105 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
7f6cf311
JB		 16106 struct sk_buff *msg;
16107 void *hdr;
7f6cf311 16108
4ee3e063
BL		 16109 trace_cfg80211_probe_status(dev, addr, cookie, acked);
16110
58050fce 16111 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
4ee3e063 16112
7f6cf311
JB		 16113 if (!msg)
16114 return;
16115
16116 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT);
16117 if (!hdr) {
16118 nlmsg_free(msg);
16119 return;
16120 }
16121
9360ffd1
DM		 16122 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16123 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16124 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
2dad624e
ND		 16125 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
16126 NL80211_ATTR_PAD) ||
c4b50cd3
VN		 16127 (acked && nla_put_flag(msg, NL80211_ATTR_ACK)) ||
16128 (is_valid_ack_signal && nla_put_s32(msg, NL80211_ATTR_ACK_SIGNAL,
16129 ack_signal)))
9360ffd1 16130 goto nla_put_failure;
7f6cf311 16131
9c90a9f6 16132 genlmsg_end(msg, hdr);
7f6cf311 16133
68eb5503 16134 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 16135 NL80211_MCGRP_MLME, gfp);
7f6cf311
JB		 16136 return;
16137
16138 nla_put_failure:
7f6cf311
JB		 16139 nlmsg_free(msg);
16140}
16141EXPORT_SYMBOL(cfg80211_probe_status);
16142
5e760230
JB		 16143void cfg80211_report_obss_beacon(struct wiphy *wiphy,
16144 const u8 *frame, size_t len,
37c73b5f 16145 int freq, int sig_dbm)
5e760230 16146{
f26cbf40 16147 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
5e760230
JB		 16148 struct sk_buff *msg;
16149 void *hdr;
37c73b5f 16150 struct cfg80211_beacon_registration *reg;
5e760230 16151
4ee3e063
BL		 16152 trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm);
16153
37c73b5f
BG		 16154 spin_lock_bh(&rdev->beacon_registrations_lock);
16155 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
16156 msg = nlmsg_new(len + 100, GFP_ATOMIC);
16157 if (!msg) {
16158 spin_unlock_bh(&rdev->beacon_registrations_lock);
16159 return;
16160 }
5e760230 16161
37c73b5f
BG		 16162 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
16163 if (!hdr)
16164 goto nla_put_failure;
5e760230 16165
37c73b5f
BG		 16166 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16167 (freq &&
16168 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) ||
16169 (sig_dbm &&
16170 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
16171 nla_put(msg, NL80211_ATTR_FRAME, len, frame))
16172 goto nla_put_failure;
5e760230 16173
37c73b5f 16174 genlmsg_end(msg, hdr);
5e760230 16175
37c73b5f
BG		 16176 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid);
16177 }
16178 spin_unlock_bh(&rdev->beacon_registrations_lock);
5e760230
JB		 16179 return;
16180
16181 nla_put_failure:
37c73b5f 16182 spin_unlock_bh(&rdev->beacon_registrations_lock);
5e760230
JB		 16183 nlmsg_free(msg);
16184}
16185EXPORT_SYMBOL(cfg80211_report_obss_beacon);
16186
cd8f7cb4 16187#ifdef CONFIG_PM
8cd4d456
LC		 16188static int cfg80211_net_detect_results(struct sk_buff *msg,
16189 struct cfg80211_wowlan_wakeup *wakeup)
16190{
16191 struct cfg80211_wowlan_nd_info *nd = wakeup->net_detect;
16192 struct nlattr *nl_results, *nl_match, *nl_freqs;
16193 int i, j;
16194
ae0be8de
MK		 16195 nl_results = nla_nest_start_noflag(msg,
16196 NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS);
8cd4d456
LC		 16197 if (!nl_results)
16198 return -EMSGSIZE;
16199
16200 for (i = 0; i < nd->n_matches; i++) {
16201 struct cfg80211_wowlan_nd_match *match = nd->matches[i];
16202
ae0be8de 16203 nl_match = nla_nest_start_noflag(msg, i);
8cd4d456
LC		 16204 if (!nl_match)
16205 break;
16206
16207 /* The SSID attribute is optional in nl80211, but for
16208 * simplicity reasons it's always present in the
16209 * cfg80211 structure. If a driver can't pass the
16210 * SSID, that needs to be changed. A zero length SSID
16211 * is still a valid SSID (wildcard), so it cannot be
16212 * used for this purpose.
16213 */
16214 if (nla_put(msg, NL80211_ATTR_SSID, match->ssid.ssid_len,
16215 match->ssid.ssid)) {
16216 nla_nest_cancel(msg, nl_match);
16217 goto out;
16218 }
16219
16220 if (match->n_channels) {
ae0be8de
MK		 16221 nl_freqs = nla_nest_start_noflag(msg,
16222 NL80211_ATTR_SCAN_FREQUENCIES);
8cd4d456
LC		 16223 if (!nl_freqs) {
16224 nla_nest_cancel(msg, nl_match);
16225 goto out;
16226 }
16227
16228 for (j = 0; j < match->n_channels; j++) {
5528fae8 16229 if (nla_put_u32(msg, j, match->channels[j])) {
8cd4d456
LC		 16230 nla_nest_cancel(msg, nl_freqs);
16231 nla_nest_cancel(msg, nl_match);
16232 goto out;
16233 }
16234 }
16235
16236 nla_nest_end(msg, nl_freqs);
16237 }
16238
16239 nla_nest_end(msg, nl_match);
16240 }
16241
16242out:
16243 nla_nest_end(msg, nl_results);
16244 return 0;
16245}
16246
cd8f7cb4
JB		 16247void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev,
16248 struct cfg80211_wowlan_wakeup *wakeup,
16249 gfp_t gfp)
16250{
f26cbf40 16251 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
cd8f7cb4
JB		 16252 struct sk_buff *msg;
16253 void *hdr;
9c90a9f6 16254 int size = 200;
cd8f7cb4
JB		 16255
16256 trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup);
16257
16258 if (wakeup)
16259 size += wakeup->packet_present_len;
16260
16261 msg = nlmsg_new(size, gfp);
16262 if (!msg)
16263 return;
16264
16265 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN);
16266 if (!hdr)
16267 goto free_msg;
16268
16269 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
2dad624e
ND		 16270 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16271 NL80211_ATTR_PAD))
cd8f7cb4
JB		 16272 goto free_msg;
16273
16274 if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
16275 wdev->netdev->ifindex))
16276 goto free_msg;
16277
16278 if (wakeup) {
16279 struct nlattr *reasons;
16280
ae0be8de
MK		 16281 reasons = nla_nest_start_noflag(msg,
16282 NL80211_ATTR_WOWLAN_TRIGGERS);
7fa322c8
JB		 16283 if (!reasons)
16284 goto free_msg;
cd8f7cb4
JB		 16285
16286 if (wakeup->disconnect &&
16287 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT))
16288 goto free_msg;
16289 if (wakeup->magic_pkt &&
16290 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT))
16291 goto free_msg;
16292 if (wakeup->gtk_rekey_failure &&
16293 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE))
16294 goto free_msg;
16295 if (wakeup->eap_identity_req &&
16296 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST))
16297 goto free_msg;
16298 if (wakeup->four_way_handshake &&
16299 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE))
16300 goto free_msg;
16301 if (wakeup->rfkill_release &&
16302 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))
16303 goto free_msg;
16304
16305 if (wakeup->pattern_idx >= 0 &&
16306 nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
16307 wakeup->pattern_idx))
16308 goto free_msg;
16309
ae917c9f
JB		 16310 if (wakeup->tcp_match &&
16311 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH))
16312 goto free_msg;
2a0e047e 16313
ae917c9f
JB		 16314 if (wakeup->tcp_connlost &&
16315 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST))
16316 goto free_msg;
2a0e047e 16317
ae917c9f
JB		 16318 if (wakeup->tcp_nomoretokens &&
16319 nla_put_flag(msg,
16320 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS))
16321 goto free_msg;
2a0e047e 16322
cd8f7cb4
JB		 16323 if (wakeup->packet) {
16324 u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211;
16325 u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN;
16326
16327 if (!wakeup->packet_80211) {
16328 pkt_attr =
16329 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023;
16330 len_attr =
16331 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN;
16332 }
16333
16334 if (wakeup->packet_len &&
16335 nla_put_u32(msg, len_attr, wakeup->packet_len))
16336 goto free_msg;
16337
16338 if (nla_put(msg, pkt_attr, wakeup->packet_present_len,
16339 wakeup->packet))
16340 goto free_msg;
16341 }
16342
8cd4d456
LC		 16343 if (wakeup->net_detect &&
16344 cfg80211_net_detect_results(msg, wakeup))
16345 goto free_msg;
16346
cd8f7cb4
JB		 16347 nla_nest_end(msg, reasons);
16348 }
16349
9c90a9f6 16350 genlmsg_end(msg, hdr);
cd8f7cb4 16351
68eb5503 16352 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 16353 NL80211_MCGRP_MLME, gfp);
cd8f7cb4
JB		 16354 return;
16355
16356 free_msg:
16357 nlmsg_free(msg);
16358}
16359EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup);
16360#endif
16361
3475b094
JM		 16362void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer,
16363 enum nl80211_tdls_operation oper,
16364 u16 reason_code, gfp_t gfp)
16365{
16366 struct wireless_dev *wdev = dev->ieee80211_ptr;
f26cbf40 16367 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
3475b094
JM		 16368 struct sk_buff *msg;
16369 void *hdr;
3475b094
JM		 16370
16371 trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper,
16372 reason_code);
16373
16374 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16375 if (!msg)
16376 return;
16377
16378 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER);
16379 if (!hdr) {
16380 nlmsg_free(msg);
16381 return;
16382 }
16383
16384 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16385 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16386 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) ||
16387 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) ||
16388 (reason_code > 0 &&
16389 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code)))
16390 goto nla_put_failure;
16391
9c90a9f6 16392 genlmsg_end(msg, hdr);
3475b094 16393
68eb5503 16394 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 16395 NL80211_MCGRP_MLME, gfp);
3475b094
JM		 16396 return;
16397
16398 nla_put_failure:
3475b094
JM		 16399 nlmsg_free(msg);
16400}
16401EXPORT_SYMBOL(cfg80211_tdls_oper_request);
16402
026331c4
JM		 16403static int nl80211_netlink_notify(struct notifier_block * nb,
16404 unsigned long state,
16405 void *_notify)
16406{
16407 struct netlink_notify *notify = _notify;
16408 struct cfg80211_registered_device *rdev;
16409 struct wireless_dev *wdev;
37c73b5f 16410 struct cfg80211_beacon_registration *reg, *tmp;
026331c4 16411
8f815cdd 16412 if (state != NETLINK_URELEASE || notify->protocol != NETLINK_GENERIC)
026331c4
JM		 16413 return NOTIFY_DONE;
16414
16415 rcu_read_lock();
16416
5e760230 16417 list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) {
ca986ad9 16418 struct cfg80211_sched_scan_request *sched_scan_req;
753aacfd 16419
ca986ad9
AVS		 16420 list_for_each_entry_rcu(sched_scan_req,
16421 &rdev->sched_scan_req_list,
16422 list) {
16423 if (sched_scan_req->owner_nlportid == notify->portid) {
16424 sched_scan_req->nl_owner_dead = true;
753aacfd 16425 schedule_work(&rdev->sched_scan_stop_wk);
ca986ad9 16426 }
753aacfd 16427 }
78f22b6a 16428
53873f13 16429 list_for_each_entry_rcu(wdev, &rdev->wiphy.wdev_list, list) {
15e47304 16430 cfg80211_mlme_unregister_socket(wdev, notify->portid);
37c73b5f 16431
ab81007a
JB		 16432 if (wdev->owner_nlportid == notify->portid) {
16433 wdev->nl_owner_dead = true;
16434 schedule_work(&rdev->destroy_work);
16435 } else if (wdev->conn_owner_nlportid == notify->portid) {
bd2522b1 16436 schedule_work(&wdev->disconnect_wk);
ab81007a 16437 }
9bb7e0f2
JB		 16438
16439 cfg80211_release_pmsr(wdev, notify->portid);
78f22b6a
JB		 16440 }
16441
37c73b5f
BG		 16442 spin_lock_bh(&rdev->beacon_registrations_lock);
16443 list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations,
16444 list) {
16445 if (reg->nlportid == notify->portid) {
16446 list_del(&reg->list);
16447 kfree(reg);
16448 break;
16449 }
16450 }
16451 spin_unlock_bh(&rdev->beacon_registrations_lock);
5e760230 16452 }
026331c4
JM		 16453
16454 rcu_read_unlock();
16455
05050753
I		 16456 /*
16457 * It is possible that the user space process that is controlling the
16458 * indoor setting disappeared, so notify the regulatory core.
16459 */
16460 regulatory_netlink_notify(notify->portid);
6784c7db 16461 return NOTIFY_OK;
026331c4
JM		 16462}
16463
16464static struct notifier_block nl80211_netlink_notifier = {
16465 .notifier_call = nl80211_netlink_notify,
16466};
16467
355199e0
JM		 16468void cfg80211_ft_event(struct net_device *netdev,
16469 struct cfg80211_ft_event_params *ft_event)
16470{
16471 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
f26cbf40 16472 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
355199e0
JM		 16473 struct sk_buff *msg;
16474 void *hdr;
355199e0
JM		 16475
16476 trace_cfg80211_ft_event(wiphy, netdev, ft_event);
16477
16478 if (!ft_event->target_ap)
16479 return;
16480
1039d081
DL		 16481 msg = nlmsg_new(100 + ft_event->ies_len + ft_event->ric_ies_len,
16482 GFP_KERNEL);
355199e0
JM		 16483 if (!msg)
16484 return;
16485
16486 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT);
ae917c9f
JB		 16487 if (!hdr)
16488 goto out;
355199e0 16489
ae917c9f
JB		 16490 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16491 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16492 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap))
16493 goto out;
355199e0 16494
ae917c9f
JB		 16495 if (ft_event->ies &&
16496 nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies))
16497 goto out;
16498 if (ft_event->ric_ies &&
16499 nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len,
16500 ft_event->ric_ies))
16501 goto out;
355199e0 16502
9c90a9f6 16503 genlmsg_end(msg, hdr);
355199e0 16504
68eb5503 16505 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 16506 NL80211_MCGRP_MLME, GFP_KERNEL);
ae917c9f
JB		 16507 return;
16508 out:
16509 nlmsg_free(msg);
355199e0
JM		 16510}
16511EXPORT_SYMBOL(cfg80211_ft_event);
16512
5de17984
AS		 16513void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp)
16514{
16515 struct cfg80211_registered_device *rdev;
16516 struct sk_buff *msg;
16517 void *hdr;
16518 u32 nlportid;
16519
f26cbf40 16520 rdev = wiphy_to_rdev(wdev->wiphy);
5de17984
AS		 16521 if (!rdev->crit_proto_nlportid)
16522 return;
16523
16524 nlportid = rdev->crit_proto_nlportid;
16525 rdev->crit_proto_nlportid = 0;
16526
16527 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16528 if (!msg)
16529 return;
16530
16531 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP);
16532 if (!hdr)
16533 goto nla_put_failure;
16534
16535 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
2dad624e
ND		 16536 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16537 NL80211_ATTR_PAD))
5de17984
AS		 16538 goto nla_put_failure;
16539
16540 genlmsg_end(msg, hdr);
16541
16542 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
16543 return;
16544
16545 nla_put_failure:
5de17984 16546 nlmsg_free(msg);
5de17984
AS		 16547}
16548EXPORT_SYMBOL(cfg80211_crit_proto_stopped);
16549
348baf0e
JB		 16550void nl80211_send_ap_stopped(struct wireless_dev *wdev)
16551{
16552 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 16553 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
348baf0e
JB		 16554 struct sk_buff *msg;
16555 void *hdr;
16556
16557 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
16558 if (!msg)
16559 return;
16560
16561 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STOP_AP);
16562 if (!hdr)
16563 goto out;
16564
16565 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16566 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex) ||
2dad624e
ND		 16567 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16568 NL80211_ATTR_PAD))
348baf0e
JB		 16569 goto out;
16570
16571 genlmsg_end(msg, hdr);
16572
16573 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(wiphy), msg, 0,
16574 NL80211_MCGRP_MLME, GFP_KERNEL);
16575 return;
16576 out:
16577 nlmsg_free(msg);
16578}
16579
40cbfa90
SD		 16580int cfg80211_external_auth_request(struct net_device *dev,
16581 struct cfg80211_external_auth_params *params,
16582 gfp_t gfp)
16583{
16584 struct wireless_dev *wdev = dev->ieee80211_ptr;
16585 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16586 struct sk_buff *msg;
16587 void *hdr;
16588
16589 if (!wdev->conn_owner_nlportid)
16590 return -EINVAL;
16591
16592 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16593 if (!msg)
16594 return -ENOMEM;
16595
16596 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_EXTERNAL_AUTH);
16597 if (!hdr)
16598 goto nla_put_failure;
16599
16600 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16601 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16602 nla_put_u32(msg, NL80211_ATTR_AKM_SUITES, params->key_mgmt_suite) ||
16603 nla_put_u32(msg, NL80211_ATTR_EXTERNAL_AUTH_ACTION,
16604 params->action) ||
16605 nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, params->bssid) ||
16606 nla_put(msg, NL80211_ATTR_SSID, params->ssid.ssid_len,
16607 params->ssid.ssid))
16608 goto nla_put_failure;
16609
16610 genlmsg_end(msg, hdr);
16611 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
16612 wdev->conn_owner_nlportid);
16613 return 0;
16614
16615 nla_put_failure:
16616 nlmsg_free(msg);
16617 return -ENOBUFS;
16618}
16619EXPORT_SYMBOL(cfg80211_external_auth_request);
16620
cb74e977
SD		 16621void cfg80211_update_owe_info_event(struct net_device *netdev,
16622 struct cfg80211_update_owe_info *owe_info,
16623 gfp_t gfp)
16624{
16625 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
16626 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16627 struct sk_buff *msg;
16628 void *hdr;
16629
16630 trace_cfg80211_update_owe_info_event(wiphy, netdev, owe_info);
16631
16632 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16633 if (!msg)
16634 return;
16635
16636 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_UPDATE_OWE_INFO);
16637 if (!hdr)
16638 goto nla_put_failure;
16639
16640 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16641 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16642 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, owe_info->peer))
16643 goto nla_put_failure;
16644
16645 if (!owe_info->ie_len ||
16646 nla_put(msg, NL80211_ATTR_IE, owe_info->ie_len, owe_info->ie))
16647 goto nla_put_failure;
16648
16649 genlmsg_end(msg, hdr);
16650
16651 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16652 NL80211_MCGRP_MLME, gfp);
16653 return;
16654
16655nla_put_failure:
16656 genlmsg_cancel(msg, hdr);
16657 nlmsg_free(msg);
16658}
16659EXPORT_SYMBOL(cfg80211_update_owe_info_event);
16660
55682965
JB		 16661/* initialisation/exit functions */
16662
56989f6d 16663int __init nl80211_init(void)
55682965 16664{
0d63cbb5 16665 int err;
55682965 16666
489111e5 16667 err = genl_register_family(&nl80211_fam);
55682965
JB		 16668 if (err)
16669 return err;
16670
026331c4
JM		 16671 err = netlink_register_notifier(&nl80211_netlink_notifier);
16672 if (err)
16673 goto err_out;
16674
55682965
JB		 16675 return 0;
16676 err_out:
16677 genl_unregister_family(&nl80211_fam);
16678 return err;
16679}
16680
16681void nl80211_exit(void)
16682{
026331c4 16683 netlink_unregister_notifier(&nl80211_netlink_notifier);
55682965
JB		 16684 genl_unregister_family(&nl80211_fam);
16685}
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git