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nl80211/cfg80211: add support for non EDCA based ranging measurement
[linux-block.git] / net / wireless / nl80211.c
CommitLineData
457c8996 1// SPDX-License-Identifier: GPL-2.0-only
55682965
JB		 2/*
3 * This is the new netlink-based wireless configuration interface.
4 *
026331c4 5 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
2740f0cf 6 * Copyright 2013-2014 Intel Mobile Communications GmbH
66cd794e 7 * Copyright 2015-2017 Intel Deutschland GmbH
55c1fdf0 8 * Copyright (C) 2018-2019 Intel Corporation
55682965
JB		 9 */
10
11#include <linux/if.h>
12#include <linux/module.h>
13#include <linux/err.h>
5a0e3ad6 14#include <linux/slab.h>
55682965
JB		 15#include <linux/list.h>
16#include <linux/if_ether.h>
17#include <linux/ieee80211.h>
18#include <linux/nl80211.h>
19#include <linux/rtnetlink.h>
20#include <linux/netlink.h>
259d8c1e 21#include <linux/nospec.h>
2a519311 22#include <linux/etherdevice.h>
e3ae39ed 23#include <linux/if_vlan.h>
463d0183 24#include <net/net_namespace.h>
55682965
JB		 25#include <net/genetlink.h>
26#include <net/cfg80211.h>
463d0183 27#include <net/sock.h>
2a0e047e 28#include <net/inet_connection_sock.h>
55682965
JB		 29#include "core.h"
30#include "nl80211.h"
b2e1b302 31#include "reg.h"
e35e4d28 32#include "rdev-ops.h"
55682965 33
5fb628e9
JM		 34static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
35 struct genl_info *info,
36 struct cfg80211_crypto_settings *settings,
37 int cipher_limit);
38
55682965 39/* the netlink family */
489111e5 40static struct genl_family nl80211_fam;
55682965 41
2a94fe48
JB		 42/* multicast groups */
43enum nl80211_multicast_groups {
44 NL80211_MCGRP_CONFIG,
45 NL80211_MCGRP_SCAN,
46 NL80211_MCGRP_REGULATORY,
47 NL80211_MCGRP_MLME,
567ffc35 48 NL80211_MCGRP_VENDOR,
50bcd31d 49 NL80211_MCGRP_NAN,
2a94fe48
JB		 50 NL80211_MCGRP_TESTMODE /* keep last - ifdef! */
51};
52
53static const struct genl_multicast_group nl80211_mcgrps[] = {
71b836ec
JB		 54 [NL80211_MCGRP_CONFIG] = { .name = NL80211_MULTICAST_GROUP_CONFIG },
55 [NL80211_MCGRP_SCAN] = { .name = NL80211_MULTICAST_GROUP_SCAN },
56 [NL80211_MCGRP_REGULATORY] = { .name = NL80211_MULTICAST_GROUP_REG },
57 [NL80211_MCGRP_MLME] = { .name = NL80211_MULTICAST_GROUP_MLME },
58 [NL80211_MCGRP_VENDOR] = { .name = NL80211_MULTICAST_GROUP_VENDOR },
50bcd31d 59 [NL80211_MCGRP_NAN] = { .name = NL80211_MULTICAST_GROUP_NAN },
2a94fe48 60#ifdef CONFIG_NL80211_TESTMODE
71b836ec 61 [NL80211_MCGRP_TESTMODE] = { .name = NL80211_MULTICAST_GROUP_TESTMODE }
2a94fe48
JB		 62#endif
63};
64
89a54e48
JB		 65/* returns ERR_PTR values */
66static struct wireless_dev *
67__cfg80211_wdev_from_attrs(struct net *netns, struct nlattr **attrs)
55682965 68{
89a54e48
JB		 69 struct cfg80211_registered_device *rdev;
70 struct wireless_dev *result = NULL;
71 bool have_ifidx = attrs[NL80211_ATTR_IFINDEX];
72 bool have_wdev_id = attrs[NL80211_ATTR_WDEV];
73 u64 wdev_id;
74 int wiphy_idx = -1;
75 int ifidx = -1;
55682965 76
5fe231e8 77 ASSERT_RTNL();
55682965 78
89a54e48
JB		 79 if (!have_ifidx && !have_wdev_id)
80 return ERR_PTR(-EINVAL);
55682965 81
89a54e48
JB		 82 if (have_ifidx)
83 ifidx = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);
84 if (have_wdev_id) {
85 wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]);
86 wiphy_idx = wdev_id >> 32;
55682965
JB		 87 }
88
89a54e48
JB		 89 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
90 struct wireless_dev *wdev;
91
92 if (wiphy_net(&rdev->wiphy) != netns)
93 continue;
94
95 if (have_wdev_id && rdev->wiphy_idx != wiphy_idx)
96 continue;
97
53873f13 98 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
89a54e48
JB		 99 if (have_ifidx && wdev->netdev &&
100 wdev->netdev->ifindex == ifidx) {
101 result = wdev;
102 break;
103 }
104 if (have_wdev_id && wdev->identifier == (u32)wdev_id) {
105 result = wdev;
106 break;
107 }
108 }
89a54e48
JB		 109
110 if (result)
111 break;
112 }
113
114 if (result)
115 return result;
116 return ERR_PTR(-ENODEV);
55682965
JB		 117}
118
a9455408 119static struct cfg80211_registered_device *
878d9ec7 120__cfg80211_rdev_from_attrs(struct net *netns, struct nlattr **attrs)
a9455408 121{
7fee4778
JB		 122 struct cfg80211_registered_device *rdev = NULL, *tmp;
123 struct net_device *netdev;
a9455408 124
5fe231e8 125 ASSERT_RTNL();
a9455408 126
878d9ec7 127 if (!attrs[NL80211_ATTR_WIPHY] &&
89a54e48
JB		 128 !attrs[NL80211_ATTR_IFINDEX] &&
129 !attrs[NL80211_ATTR_WDEV])
7fee4778
JB		 130 return ERR_PTR(-EINVAL);
131
878d9ec7 132 if (attrs[NL80211_ATTR_WIPHY])
7fee4778 133 rdev = cfg80211_rdev_by_wiphy_idx(
878d9ec7 134 nla_get_u32(attrs[NL80211_ATTR_WIPHY]));
a9455408 135
89a54e48
JB		 136 if (attrs[NL80211_ATTR_WDEV]) {
137 u64 wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]);
138 struct wireless_dev *wdev;
139 bool found = false;
140
141 tmp = cfg80211_rdev_by_wiphy_idx(wdev_id >> 32);
142 if (tmp) {
143 /* make sure wdev exists */
53873f13 144 list_for_each_entry(wdev, &tmp->wiphy.wdev_list, list) {
89a54e48
JB		 145 if (wdev->identifier != (u32)wdev_id)
146 continue;
147 found = true;
148 break;
149 }
89a54e48
JB		 150
151 if (!found)
152 tmp = NULL;
153
154 if (rdev && tmp != rdev)
155 return ERR_PTR(-EINVAL);
156 rdev = tmp;
157 }
158 }
159
878d9ec7
JB		 160 if (attrs[NL80211_ATTR_IFINDEX]) {
161 int ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);
7a087e74 162
7f2b8562 163 netdev = __dev_get_by_index(netns, ifindex);
7fee4778
JB		 164 if (netdev) {
165 if (netdev->ieee80211_ptr)
f26cbf40
ZG		 166 tmp = wiphy_to_rdev(
167 netdev->ieee80211_ptr->wiphy);
7fee4778
JB		 168 else
169 tmp = NULL;
170
7fee4778
JB		 171 /* not wireless device -- return error */
172 if (!tmp)
173 return ERR_PTR(-EINVAL);
174
175 /* mismatch -- return error */
176 if (rdev && tmp != rdev)
177 return ERR_PTR(-EINVAL);
178
179 rdev = tmp;
a9455408 180 }
a9455408 181 }
a9455408 182
4f7eff10
JB		 183 if (!rdev)
184 return ERR_PTR(-ENODEV);
a9455408 185
4f7eff10
JB		 186 if (netns != wiphy_net(&rdev->wiphy))
187 return ERR_PTR(-ENODEV);
188
189 return rdev;
a9455408
JB		 190}
191
192/*
193 * This function returns a pointer to the driver
194 * that the genl_info item that is passed refers to.
a9455408
JB		 195 *
196 * The result of this can be a PTR_ERR and hence must
197 * be checked with IS_ERR() for errors.
198 */
199static struct cfg80211_registered_device *
4f7eff10 200cfg80211_get_dev_from_info(struct net *netns, struct genl_info *info)
a9455408 201{
5fe231e8 202 return __cfg80211_rdev_from_attrs(netns, info->attrs);
a9455408
JB		 203}
204
f88eb7c0
JB		 205static int validate_beacon_head(const struct nlattr *attr,
206 struct netlink_ext_ack *extack)
207{
208 const u8 *data = nla_data(attr);
209 unsigned int len = nla_len(attr);
210 const struct element *elem;
211 const struct ieee80211_mgmt *mgmt = (void *)data;
212 unsigned int fixedlen = offsetof(struct ieee80211_mgmt,
213 u.beacon.variable);
214
215 if (len < fixedlen)
216 goto err;
217
218 if (ieee80211_hdrlen(mgmt->frame_control) !=
219 offsetof(struct ieee80211_mgmt, u.beacon))
220 goto err;
221
222 data += fixedlen;
223 len -= fixedlen;
224
225 for_each_element(elem, data, len) {
226 /* nothing */
227 }
228
229 if (for_each_element_completed(elem, data, len))
230 return 0;
231
232err:
233 NL_SET_ERR_MSG_ATTR(extack, attr, "malformed beacon head");
234 return -EINVAL;
235}
236
3d7af878
JB		 237static int validate_ie_attr(const struct nlattr *attr,
238 struct netlink_ext_ack *extack)
239{
9f308616
JB		 240 const u8 *data = nla_data(attr);
241 unsigned int len = nla_len(attr);
7388afe0 242 const struct element *elem;
3d7af878 243
9f308616
JB		 244 for_each_element(elem, data, len) {
245 /* nothing */
3d7af878
JB		 246 }
247
9f308616
JB		 248 if (for_each_element_completed(elem, data, len))
249 return 0;
250
3d7af878
JB		 251 NL_SET_ERR_MSG_ATTR(extack, attr, "malformed information elements");
252 return -EINVAL;
253}
254
55682965 255/* policy for the attributes */
81e54d08
PKC		 256static const struct nla_policy
257nl80211_ftm_responder_policy[NL80211_FTM_RESP_ATTR_MAX + 1] = {
258 [NL80211_FTM_RESP_ATTR_ENABLED] = { .type = NLA_FLAG, },
259 [NL80211_FTM_RESP_ATTR_LCI] = { .type = NLA_BINARY,
260 .len = U8_MAX },
261 [NL80211_FTM_RESP_ATTR_CIVICLOC] = { .type = NLA_BINARY,
262 .len = U8_MAX },
263};
264
9bb7e0f2
JB		 265static const struct nla_policy
266nl80211_pmsr_ftm_req_attr_policy[NL80211_PMSR_FTM_REQ_ATTR_MAX + 1] = {
267 [NL80211_PMSR_FTM_REQ_ATTR_ASAP] = { .type = NLA_FLAG },
268 [NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE] = { .type = NLA_U32 },
269 [NL80211_PMSR_FTM_REQ_ATTR_NUM_BURSTS_EXP] =
270 NLA_POLICY_MAX(NLA_U8, 15),
271 [NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD] = { .type = NLA_U16 },
272 [NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION] =
273 NLA_POLICY_MAX(NLA_U8, 15),
274 [NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST] =
ea18709a 275 NLA_POLICY_MAX(NLA_U8, 31),
9bb7e0f2
JB		 276 [NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES] = { .type = NLA_U8 },
277 [NL80211_PMSR_FTM_REQ_ATTR_REQUEST_LCI] = { .type = NLA_FLAG },
278 [NL80211_PMSR_FTM_REQ_ATTR_REQUEST_CIVICLOC] = { .type = NLA_FLAG },
efb5520d
AS		 279 [NL80211_PMSR_FTM_REQ_ATTR_TRIGGER_BASED] = { .type = NLA_FLAG },
280 [NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED] = { .type = NLA_FLAG },
9bb7e0f2
JB		 281};
282
283static const struct nla_policy
284nl80211_pmsr_req_data_policy[NL80211_PMSR_TYPE_MAX + 1] = {
285 [NL80211_PMSR_TYPE_FTM] =
23323289 286 NLA_POLICY_NESTED(nl80211_pmsr_ftm_req_attr_policy),
9bb7e0f2
JB		 287};
288
289static const struct nla_policy
290nl80211_pmsr_req_attr_policy[NL80211_PMSR_REQ_ATTR_MAX + 1] = {
291 [NL80211_PMSR_REQ_ATTR_DATA] =
23323289 292 NLA_POLICY_NESTED(nl80211_pmsr_req_data_policy),
9bb7e0f2
JB		 293 [NL80211_PMSR_REQ_ATTR_GET_AP_TSF] = { .type = NLA_FLAG },
294};
295
296static const struct nla_policy
297nl80211_psmr_peer_attr_policy[NL80211_PMSR_PEER_ATTR_MAX + 1] = {
298 [NL80211_PMSR_PEER_ATTR_ADDR] = NLA_POLICY_ETH_ADDR,
299 /*
300 * we could specify this again to be the top-level policy,
301 * but that would open us up to recursion problems ...
302 */
303 [NL80211_PMSR_PEER_ATTR_CHAN] = { .type = NLA_NESTED },
304 [NL80211_PMSR_PEER_ATTR_REQ] =
23323289 305 NLA_POLICY_NESTED(nl80211_pmsr_req_attr_policy),
9bb7e0f2
JB		 306 [NL80211_PMSR_PEER_ATTR_RESP] = { .type = NLA_REJECT },
307};
308
309static const struct nla_policy
310nl80211_pmsr_attr_policy[NL80211_PMSR_ATTR_MAX + 1] = {
311 [NL80211_PMSR_ATTR_MAX_PEERS] = { .type = NLA_REJECT },
312 [NL80211_PMSR_ATTR_REPORT_AP_TSF] = { .type = NLA_REJECT },
313 [NL80211_PMSR_ATTR_RANDOMIZE_MAC_ADDR] = { .type = NLA_REJECT },
314 [NL80211_PMSR_ATTR_TYPE_CAPA] = { .type = NLA_REJECT },
315 [NL80211_PMSR_ATTR_PEERS] =
23323289 316 NLA_POLICY_NESTED_ARRAY(nl80211_psmr_peer_attr_policy),
9bb7e0f2
JB		 317};
318
796e90f4
JC		 319static const struct nla_policy
320he_obss_pd_policy[NL80211_HE_OBSS_PD_ATTR_MAX + 1] = {
321 [NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET] =
322 NLA_POLICY_RANGE(NLA_U8, 1, 20),
323 [NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET] =
324 NLA_POLICY_RANGE(NLA_U8, 1, 20),
325};
326
5c5e52d1
JC		 327static const struct nla_policy
328he_bss_color_policy[NL80211_HE_BSS_COLOR_ATTR_MAX + 1] = {
329 [NL80211_HE_BSS_COLOR_ATTR_COLOR] = NLA_POLICY_RANGE(NLA_U8, 1, 63),
330 [NL80211_HE_BSS_COLOR_ATTR_DISABLED] = { .type = NLA_FLAG },
331 [NL80211_HE_BSS_COLOR_ATTR_PARTIAL] = { .type = NLA_FLAG },
332};
333
77f576de
T		 334static const struct nla_policy
335nl80211_tid_config_attr_policy[NL80211_TID_CONFIG_ATTR_MAX + 1] = {
3710a8a6
JB		 336 [NL80211_TID_CONFIG_ATTR_VIF_SUPP] = { .type = NLA_U64 },
337 [NL80211_TID_CONFIG_ATTR_PEER_SUPP] = { .type = NLA_U64 },
77f576de 338 [NL80211_TID_CONFIG_ATTR_OVERRIDE] = { .type = NLA_FLAG },
3710a8a6 339 [NL80211_TID_CONFIG_ATTR_TIDS] = NLA_POLICY_RANGE(NLA_U16, 1, 0xff),
77f576de
T		 340 [NL80211_TID_CONFIG_ATTR_NOACK] =
341 NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE),
6a21d16c
T		 342 [NL80211_TID_CONFIG_ATTR_RETRY_SHORT] = NLA_POLICY_MIN(NLA_U8, 1),
343 [NL80211_TID_CONFIG_ATTR_RETRY_LONG] = NLA_POLICY_MIN(NLA_U8, 1),
ade274b2
T		 344 [NL80211_TID_CONFIG_ATTR_AMPDU_CTRL] =
345 NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE),
04f7d142
T		 346 [NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL] =
347 NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE),
77f576de
T		 348};
349
9bb7e0f2 350const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
6d4dd4ef 351 [0] = { .strict_start_type = NL80211_ATTR_HE_OBSS_PD },
55682965
JB		 352 [NL80211_ATTR_WIPHY] = { .type = NLA_U32 },
353 [NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING,
079e24ed 354 .len = 20-1 },
31888487 355 [NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED },
3d9d1d66 356
72bdcf34 357 [NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 },
094d05dc 358 [NL80211_ATTR_WIPHY_CHANNEL_TYPE] = { .type = NLA_U32 },
2a38075c
AAL		 359 [NL80211_ATTR_WIPHY_EDMG_CHANNELS] = NLA_POLICY_RANGE(NLA_U8,
360 NL80211_EDMG_CHANNELS_MIN,
361 NL80211_EDMG_CHANNELS_MAX),
362 [NL80211_ATTR_WIPHY_EDMG_BW_CONFIG] = NLA_POLICY_RANGE(NLA_U8,
363 NL80211_EDMG_BW_CONFIG_MIN,
364 NL80211_EDMG_BW_CONFIG_MAX),
365
3d9d1d66
JB		 366 [NL80211_ATTR_CHANNEL_WIDTH] = { .type = NLA_U32 },
367 [NL80211_ATTR_CENTER_FREQ1] = { .type = NLA_U32 },
368 [NL80211_ATTR_CENTER_FREQ2] = { .type = NLA_U32 },
369
ab0d76f6
JB		 370 [NL80211_ATTR_WIPHY_RETRY_SHORT] = NLA_POLICY_MIN(NLA_U8, 1),
371 [NL80211_ATTR_WIPHY_RETRY_LONG] = NLA_POLICY_MIN(NLA_U8, 1),
b9a5f8ca
JM		 372 [NL80211_ATTR_WIPHY_FRAG_THRESHOLD] = { .type = NLA_U32 },
373 [NL80211_ATTR_WIPHY_RTS_THRESHOLD] = { .type = NLA_U32 },
81077e82 374 [NL80211_ATTR_WIPHY_COVERAGE_CLASS] = { .type = NLA_U8 },
3057dbfd 375 [NL80211_ATTR_WIPHY_DYN_ACK] = { .type = NLA_FLAG },
55682965 376
ab0d76f6 377 [NL80211_ATTR_IFTYPE] = NLA_POLICY_MAX(NLA_U32, NL80211_IFTYPE_MAX),
55682965
JB		 378 [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 },
379 [NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 },
41ade00f 380
1a28ed21
JB		 381 [NL80211_ATTR_MAC] = { .type = NLA_EXACT_LEN_WARN, .len = ETH_ALEN },
382 [NL80211_ATTR_PREV_BSSID] = {
383 .type = NLA_EXACT_LEN_WARN,
384 .len = ETH_ALEN
385 },
41ade00f 386
b9454e83 387 [NL80211_ATTR_KEY] = { .type = NLA_NESTED, },
41ade00f
JB		 388 [NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY,
389 .len = WLAN_MAX_KEY_LEN },
56be393f 390 [NL80211_ATTR_KEY_IDX] = NLA_POLICY_MAX(NLA_U8, 7),
41ade00f
JB		 391 [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 },
392 [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG },
81962267 393 [NL80211_ATTR_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
ab0d76f6
JB		 394 [NL80211_ATTR_KEY_TYPE] =
395 NLA_POLICY_MAX(NLA_U32, NUM_NL80211_KEYTYPES),
ed1b6cc7
JB		 396
397 [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 },
398 [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 },
f88eb7c0
JB		 399 [NL80211_ATTR_BEACON_HEAD] =
400 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_beacon_head,
401 IEEE80211_MAX_DATA_LEN),
3d7af878
JB		 402 [NL80211_ATTR_BEACON_TAIL] =
403 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
404 IEEE80211_MAX_DATA_LEN),
ab0d76f6
JB		 405 [NL80211_ATTR_STA_AID] =
406 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
5727ef1b
JB		 407 [NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED },
408 [NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 },
409 [NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY,
410 .len = NL80211_MAX_SUPP_RATES },
ab0d76f6
JB		 411 [NL80211_ATTR_STA_PLINK_ACTION] =
412 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_PLINK_ACTIONS - 1),
e96d1cd2
ARN		 413 [NL80211_ATTR_STA_TX_POWER_SETTING] =
414 NLA_POLICY_RANGE(NLA_U8,
415 NL80211_TX_POWER_AUTOMATIC,
416 NL80211_TX_POWER_FIXED),
417 [NL80211_ATTR_STA_TX_POWER] = { .type = NLA_S16 },
5727ef1b 418 [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 },
0a9542ee 419 [NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ },
2ec600d6 420 [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY,
a4f606ea 421 .len = IEEE80211_MAX_MESH_ID_LEN },
1fab1b89 422 [NL80211_ATTR_MPATH_NEXT_HOP] = NLA_POLICY_ETH_ADDR_COMPAT,
9f1ba906 423
b2e1b302
LR		 424 [NL80211_ATTR_REG_ALPHA2] = { .type = NLA_STRING, .len = 2 },
425 [NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED },
426
9f1ba906
JM		 427 [NL80211_ATTR_BSS_CTS_PROT] = { .type = NLA_U8 },
428 [NL80211_ATTR_BSS_SHORT_PREAMBLE] = { .type = NLA_U8 },
429 [NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 },
90c97a04
JM		 430 [NL80211_ATTR_BSS_BASIC_RATES] = { .type = NLA_BINARY,
431 .len = NL80211_MAX_SUPP_RATES },
50b12f59 432 [NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 },
36aedc90 433
24bdd9f4 434 [NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED },
15d5dda6 435 [NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG },
93da9cc1 436
1a28ed21
JB		 437 [NL80211_ATTR_HT_CAPABILITY] = {
438 .type = NLA_EXACT_LEN_WARN,
439 .len = NL80211_HT_CAPABILITY_LEN
440 },
9aed3cc1
JM		 441
442 [NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 },
3d7af878
JB		 443 [NL80211_ATTR_IE] = NLA_POLICY_VALIDATE_FN(NLA_BINARY,
444 validate_ie_attr,
445 IEEE80211_MAX_DATA_LEN),
2a519311
JB		 446 [NL80211_ATTR_SCAN_FREQUENCIES] = { .type = NLA_NESTED },
447 [NL80211_ATTR_SCAN_SSIDS] = { .type = NLA_NESTED },
636a5d36
JM		 448
449 [NL80211_ATTR_SSID] = { .type = NLA_BINARY,
450 .len = IEEE80211_MAX_SSID_LEN },
451 [NL80211_ATTR_AUTH_TYPE] = { .type = NLA_U32 },
452 [NL80211_ATTR_REASON_CODE] = { .type = NLA_U16 },
04a773ad 453 [NL80211_ATTR_FREQ_FIXED] = { .type = NLA_FLAG },
1965c853 454 [NL80211_ATTR_TIMED_OUT] = { .type = NLA_FLAG },
ab0d76f6
JB		 455 [NL80211_ATTR_USE_MFP] = NLA_POLICY_RANGE(NLA_U32,
456 NL80211_MFP_NO,
457 NL80211_MFP_OPTIONAL),
eccb8e8f
JB		 458 [NL80211_ATTR_STA_FLAGS2] = {
459 .len = sizeof(struct nl80211_sta_flag_update),
460 },
3f77316c 461 [NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG },
c0692b8f
JB		 462 [NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 },
463 [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG },
64bf3d4b 464 [NL80211_ATTR_CONTROL_PORT_OVER_NL80211] = { .type = NLA_FLAG },
b23aa676 465 [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG },
ea750801 466 [NL80211_ATTR_STATUS_CODE] = { .type = NLA_U16 },
b23aa676
SO		 467 [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 },
468 [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 },
463d0183 469 [NL80211_ATTR_PID] = { .type = NLA_U32 },
8b787643 470 [NL80211_ATTR_4ADDR] = { .type = NLA_U8 },
1a28ed21
JB		 471 [NL80211_ATTR_PMKID] = {
472 .type = NLA_EXACT_LEN_WARN,
473 .len = WLAN_PMKID_LEN
474 },
9588bbd5
JM		 475 [NL80211_ATTR_DURATION] = { .type = NLA_U32 },
476 [NL80211_ATTR_COOKIE] = { .type = NLA_U64 },
13ae75b1 477 [NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED },
026331c4
JM		 478 [NL80211_ATTR_FRAME] = { .type = NLA_BINARY,
479 .len = IEEE80211_MAX_DATA_LEN },
480 [NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, },
ab0d76f6
JB		 481 [NL80211_ATTR_PS_STATE] = NLA_POLICY_RANGE(NLA_U32,
482 NL80211_PS_DISABLED,
483 NL80211_PS_ENABLED),
d6dc1a38 484 [NL80211_ATTR_CQM] = { .type = NLA_NESTED, },
d5cdfacb 485 [NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG },
fd8aaaf3 486 [NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 },
98d2ff8b
JO		 487 [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 },
488 [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 },
2e161f78 489 [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 },
afe0cbf8
BR		 490 [NL80211_ATTR_WIPHY_ANTENNA_TX] = { .type = NLA_U32 },
491 [NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 },
885a46d0 492 [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 },
f7ca38df 493 [NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG },
dbd2fd65 494 [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
ff1b6e69 495 [NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED },
ab0d76f6
JB		 496 [NL80211_ATTR_STA_PLINK_STATE] =
497 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_PLINK_STATES - 1),
056e9375
JK		 498 [NL80211_ATTR_MEASUREMENT_DURATION] = { .type = NLA_U16 },
499 [NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY] = { .type = NLA_FLAG },
ab0d76f6
JB		 500 [NL80211_ATTR_MESH_PEER_AID] =
501 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
bbe6ad6d 502 [NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 },
e5497d76 503 [NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED },
34850ab2 504 [NL80211_ATTR_SCAN_SUPP_RATES] = { .type = NLA_NESTED },
ab0d76f6
JB		 505 [NL80211_ATTR_HIDDEN_SSID] =
506 NLA_POLICY_RANGE(NLA_U32,
507 NL80211_HIDDEN_SSID_NOT_IN_USE,
508 NL80211_HIDDEN_SSID_ZERO_CONTENTS),
3d7af878
JB		 509 [NL80211_ATTR_IE_PROBE_RESP] =
510 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
511 IEEE80211_MAX_DATA_LEN),
512 [NL80211_ATTR_IE_ASSOC_RESP] =
513 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
514 IEEE80211_MAX_DATA_LEN),
f4b34b55 515 [NL80211_ATTR_ROAM_SUPPORT] = { .type = NLA_FLAG },
a1f1c21c 516 [NL80211_ATTR_SCHED_SCAN_MATCH] = { .type = NLA_NESTED },
e9f935e3 517 [NL80211_ATTR_TX_NO_CCK_RATE] = { .type = NLA_FLAG },
109086ce
AN		 518 [NL80211_ATTR_TDLS_ACTION] = { .type = NLA_U8 },
519 [NL80211_ATTR_TDLS_DIALOG_TOKEN] = { .type = NLA_U8 },
520 [NL80211_ATTR_TDLS_OPERATION] = { .type = NLA_U8 },
521 [NL80211_ATTR_TDLS_SUPPORT] = { .type = NLA_FLAG },
522 [NL80211_ATTR_TDLS_EXTERNAL_SETUP] = { .type = NLA_FLAG },
31fa97c5 523 [NL80211_ATTR_TDLS_INITIATOR] = { .type = NLA_FLAG },
e247bd90 524 [NL80211_ATTR_DONT_WAIT_FOR_ACK] = { .type = NLA_FLAG },
00f740e1
AN		 525 [NL80211_ATTR_PROBE_RESP] = { .type = NLA_BINARY,
526 .len = IEEE80211_MAX_DATA_LEN },
8b60b078 527 [NL80211_ATTR_DFS_REGION] = { .type = NLA_U8 },
7e7c8926
BG		 528 [NL80211_ATTR_DISABLE_HT] = { .type = NLA_FLAG },
529 [NL80211_ATTR_HT_CAPABILITY_MASK] = {
530 .len = NL80211_HT_CAPABILITY_LEN
531 },
1d9d9213 532 [NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 },
1b658f11 533 [NL80211_ATTR_INACTIVITY_TIMEOUT] = { .type = NLA_U16 },
4486ea98 534 [NL80211_ATTR_BG_SCAN_PERIOD] = { .type = NLA_U16 },
89a54e48 535 [NL80211_ATTR_WDEV] = { .type = NLA_U64 },
57b5ce07 536 [NL80211_ATTR_USER_REG_HINT_TYPE] = { .type = NLA_U32 },
11b6b5a4 537 [NL80211_ATTR_AUTH_DATA] = { .type = NLA_BINARY, },
1a28ed21
JB		 538 [NL80211_ATTR_VHT_CAPABILITY] = {
539 .type = NLA_EXACT_LEN_WARN,
540 .len = NL80211_VHT_CAPABILITY_LEN
541 },
ed473771 542 [NL80211_ATTR_SCAN_FLAGS] = { .type = NLA_U32 },
ab0d76f6
JB		 543 [NL80211_ATTR_P2P_CTWINDOW] = NLA_POLICY_MAX(NLA_U8, 127),
544 [NL80211_ATTR_P2P_OPPPS] = NLA_POLICY_MAX(NLA_U8, 1),
545 [NL80211_ATTR_LOCAL_MESH_POWER_MODE] =
546 NLA_POLICY_RANGE(NLA_U32,
547 NL80211_MESH_POWER_UNKNOWN + 1,
548 NL80211_MESH_POWER_MAX),
77765eaf
VT		 549 [NL80211_ATTR_ACL_POLICY] = {. type = NLA_U32 },
550 [NL80211_ATTR_MAC_ADDRS] = { .type = NLA_NESTED },
9d62a986
JM		 551 [NL80211_ATTR_STA_CAPABILITY] = { .type = NLA_U16 },
552 [NL80211_ATTR_STA_EXT_CAPABILITY] = { .type = NLA_BINARY, },
3713b4e3 553 [NL80211_ATTR_SPLIT_WIPHY_DUMP] = { .type = NLA_FLAG, },
ee2aca34
JB		 554 [NL80211_ATTR_DISABLE_VHT] = { .type = NLA_FLAG },
555 [NL80211_ATTR_VHT_CAPABILITY_MASK] = {
556 .len = NL80211_VHT_CAPABILITY_LEN,
557 },
355199e0
JM		 558 [NL80211_ATTR_MDID] = { .type = NLA_U16 },
559 [NL80211_ATTR_IE_RIC] = { .type = NLA_BINARY,
560 .len = IEEE80211_MAX_DATA_LEN },
0e1a1d85
JK		 561 [NL80211_ATTR_CRIT_PROT_ID] = { .type = NLA_U16 },
562 [NL80211_ATTR_MAX_CRIT_PROT_DURATION] = { .type = NLA_U16 },
ab0d76f6
JB		 563 [NL80211_ATTR_PEER_AID] =
564 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
16ef1fe2
SW		 565 [NL80211_ATTR_CH_SWITCH_COUNT] = { .type = NLA_U32 },
566 [NL80211_ATTR_CH_SWITCH_BLOCK_TX] = { .type = NLA_FLAG },
567 [NL80211_ATTR_CSA_IES] = { .type = NLA_NESTED },
9a774c78
AO		 568 [NL80211_ATTR_CSA_C_OFF_BEACON] = { .type = NLA_BINARY },
569 [NL80211_ATTR_CSA_C_OFF_PRESP] = { .type = NLA_BINARY },
c01fc9ad
SD		 570 [NL80211_ATTR_STA_SUPPORTED_CHANNELS] = { .type = NLA_BINARY },
571 [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES] = { .type = NLA_BINARY },
5336fa88 572 [NL80211_ATTR_HANDLE_DFS] = { .type = NLA_FLAG },
60f4a7b1 573 [NL80211_ATTR_OPMODE_NOTIF] = { .type = NLA_U8 },
ad7e718c
JB		 574 [NL80211_ATTR_VENDOR_ID] = { .type = NLA_U32 },
575 [NL80211_ATTR_VENDOR_SUBCMD] = { .type = NLA_U32 },
576 [NL80211_ATTR_VENDOR_DATA] = { .type = NLA_BINARY },
fa9ffc74
KP		 577 [NL80211_ATTR_QOS_MAP] = { .type = NLA_BINARY,
578 .len = IEEE80211_QOS_MAP_LEN_MAX },
1a28ed21
JB		 579 [NL80211_ATTR_MAC_HINT] = {
580 .type = NLA_EXACT_LEN_WARN,
581 .len = ETH_ALEN
582 },
1df4a510 583 [NL80211_ATTR_WIPHY_FREQ_HINT] = { .type = NLA_U32 },
df942e7b 584 [NL80211_ATTR_TDLS_PEER_CAPABILITY] = { .type = NLA_U32 },
18e5ca65 585 [NL80211_ATTR_SOCKET_OWNER] = { .type = NLA_FLAG },
34d22ce2 586 [NL80211_ATTR_CSA_C_OFFSETS_TX] = { .type = NLA_BINARY },
bab5ab7d 587 [NL80211_ATTR_USE_RRM] = { .type = NLA_FLAG },
ab0d76f6
JB		 588 [NL80211_ATTR_TSID] = NLA_POLICY_MAX(NLA_U8, IEEE80211_NUM_TIDS - 1),
589 [NL80211_ATTR_USER_PRIO] =
590 NLA_POLICY_MAX(NLA_U8, IEEE80211_NUM_UPS - 1),
960d01ac 591 [NL80211_ATTR_ADMITTED_TIME] = { .type = NLA_U16 },
18998c38 592 [NL80211_ATTR_SMPS_MODE] = { .type = NLA_U8 },
5cde05c6 593 [NL80211_ATTR_OPER_CLASS] = { .type = NLA_U8 },
1a28ed21
JB		 594 [NL80211_ATTR_MAC_MASK] = {
595 .type = NLA_EXACT_LEN_WARN,
596 .len = ETH_ALEN
597 },
1bdd716c 598 [NL80211_ATTR_WIPHY_SELF_MANAGED_REG] = { .type = NLA_FLAG },
4b681c82 599 [NL80211_ATTR_NETNS_FD] = { .type = NLA_U32 },
9c748934 600 [NL80211_ATTR_SCHED_SCAN_DELAY] = { .type = NLA_U32 },
05050753 601 [NL80211_ATTR_REG_INDOOR] = { .type = NLA_FLAG },
34d50519 602 [NL80211_ATTR_PBSS] = { .type = NLA_FLAG },
38de03d2 603 [NL80211_ATTR_BSS_SELECT] = { .type = NLA_NESTED },
ab0d76f6
JB		 604 [NL80211_ATTR_STA_SUPPORT_P2P_PS] =
605 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_P2P_PS_STATUS - 1),
c6e6a0c8
AE		 606 [NL80211_ATTR_MU_MIMO_GROUP_DATA] = {
607 .len = VHT_MUMIMO_GROUPS_DATA_LEN
608 },
1a28ed21
JB		 609 [NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR] = {
610 .type = NLA_EXACT_LEN_WARN,
611 .len = ETH_ALEN
612 },
ab0d76f6 613 [NL80211_ATTR_NAN_MASTER_PREF] = NLA_POLICY_MIN(NLA_U8, 1),
8585989d 614 [NL80211_ATTR_BANDS] = { .type = NLA_U32 },
a442b761 615 [NL80211_ATTR_NAN_FUNC] = { .type = NLA_NESTED },
348bd456
JM		 616 [NL80211_ATTR_FILS_KEK] = { .type = NLA_BINARY,
617 .len = FILS_MAX_KEK_LEN },
1a28ed21
JB		 618 [NL80211_ATTR_FILS_NONCES] = {
619 .type = NLA_EXACT_LEN_WARN,
620 .len = 2 * FILS_NONCE_LEN
621 },
ce0ce13a 622 [NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED] = { .type = NLA_FLAG, },
1a28ed21 623 [NL80211_ATTR_BSSID] = { .type = NLA_EXACT_LEN_WARN, .len = ETH_ALEN },
bf95ecdb 624 [NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] = { .type = NLA_S8 },
625 [NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST] = {
626 .len = sizeof(struct nl80211_bss_select_rssi_adjust)
627 },
3093ebbe 628 [NL80211_ATTR_TIMEOUT_REASON] = { .type = NLA_U32 },
a3caf744
VK		 629 [NL80211_ATTR_FILS_ERP_USERNAME] = { .type = NLA_BINARY,
630 .len = FILS_ERP_MAX_USERNAME_LEN },
631 [NL80211_ATTR_FILS_ERP_REALM] = { .type = NLA_BINARY,
632 .len = FILS_ERP_MAX_REALM_LEN },
633 [NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] = { .type = NLA_U16 },
634 [NL80211_ATTR_FILS_ERP_RRK] = { .type = NLA_BINARY,
635 .len = FILS_ERP_MAX_RRK_LEN },
1a28ed21 636 [NL80211_ATTR_FILS_CACHE_ID] = { .type = NLA_EXACT_LEN_WARN, .len = 2 },
a3caf744 637 [NL80211_ATTR_PMK] = { .type = NLA_BINARY, .len = PMK_MAX_LEN },
ca986ad9 638 [NL80211_ATTR_SCHED_SCAN_MULTI] = { .type = NLA_FLAG },
40cbfa90 639 [NL80211_ATTR_EXTERNAL_AUTH_SUPPORT] = { .type = NLA_FLAG },
52539ca8
THJ		 640
641 [NL80211_ATTR_TXQ_LIMIT] = { .type = NLA_U32 },
642 [NL80211_ATTR_TXQ_MEMORY_LIMIT] = { .type = NLA_U32 },
643 [NL80211_ATTR_TXQ_QUANTUM] = { .type = NLA_U32 },
c4cbaf79
LC		 644 [NL80211_ATTR_HE_CAPABILITY] = { .type = NLA_BINARY,
645 .len = NL80211_HE_MAX_CAPABILITY_LEN },
81e54d08
PKC		 646
647 [NL80211_ATTR_FTM_RESPONDER] = {
648 .type = NLA_NESTED,
649 .validation_data = nl80211_ftm_responder_policy,
650 },
9bb7e0f2
JB		 651 [NL80211_ATTR_TIMEOUT] = NLA_POLICY_MIN(NLA_U32, 1),
652 [NL80211_ATTR_PEER_MEASUREMENTS] =
23323289 653 NLA_POLICY_NESTED(nl80211_pmsr_attr_policy),
36647055 654 [NL80211_ATTR_AIRTIME_WEIGHT] = NLA_POLICY_MIN(NLA_U16, 1),
26f7044e
CHH		 655 [NL80211_ATTR_SAE_PASSWORD] = { .type = NLA_BINARY,
656 .len = SAE_PASSWORD_MAX_LEN },
a0de1ca3 657 [NL80211_ATTR_TWT_RESPONDER] = { .type = NLA_FLAG },
796e90f4 658 [NL80211_ATTR_HE_OBSS_PD] = NLA_POLICY_NESTED(he_obss_pd_policy),
14f34e36 659 [NL80211_ATTR_VLAN_ID] = NLA_POLICY_RANGE(NLA_U16, 1, VLAN_N_VID - 2),
5c5e52d1 660 [NL80211_ATTR_HE_BSS_COLOR] = NLA_POLICY_NESTED(he_bss_color_policy),
77f576de
T		 661 [NL80211_ATTR_TID_CONFIG] =
662 NLA_POLICY_NESTED_ARRAY(nl80211_tid_config_attr_policy),
5631d96a 663 [NL80211_ATTR_CONTROL_PORT_NO_PREAUTH] = { .type = NLA_FLAG },
55682965
JB		 664};
665
e31b8213 666/* policy for the key attributes */
b54452b0 667static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = {
fffd0934 668 [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN },
b9454e83
JB		 669 [NL80211_KEY_IDX] = { .type = NLA_U8 },
670 [NL80211_KEY_CIPHER] = { .type = NLA_U32 },
81962267 671 [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
b9454e83
JB		 672 [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG },
673 [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG },
ab0d76f6 674 [NL80211_KEY_TYPE] = NLA_POLICY_MAX(NLA_U32, NUM_NL80211_KEYTYPES - 1),
dbd2fd65 675 [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
6cdd3979 676 [NL80211_KEY_MODE] = NLA_POLICY_RANGE(NLA_U8, 0, NL80211_KEY_SET_TX),
dbd2fd65
JB		 677};
678
679/* policy for the key default flags */
680static const struct nla_policy
681nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = {
682 [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG },
683 [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG },
b9454e83
JB		 684};
685
f83ace3b 686#ifdef CONFIG_PM
ff1b6e69
JB		 687/* policy for WoWLAN attributes */
688static const struct nla_policy
689nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = {
690 [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG },
691 [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG },
692 [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG },
693 [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED },
77dbbb13
JB		 694 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG },
695 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG },
696 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG },
697 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG },
2a0e047e 698 [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED },
8cd4d456 699 [NL80211_WOWLAN_TRIG_NET_DETECT] = { .type = NLA_NESTED },
2a0e047e
JB		 700};
701
702static const struct nla_policy
703nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = {
704 [NL80211_WOWLAN_TCP_SRC_IPV4] = { .type = NLA_U32 },
705 [NL80211_WOWLAN_TCP_DST_IPV4] = { .type = NLA_U32 },
1a28ed21
JB		 706 [NL80211_WOWLAN_TCP_DST_MAC] = {
707 .type = NLA_EXACT_LEN_WARN,
708 .len = ETH_ALEN
709 },
2a0e047e
JB		 710 [NL80211_WOWLAN_TCP_SRC_PORT] = { .type = NLA_U16 },
711 [NL80211_WOWLAN_TCP_DST_PORT] = { .type = NLA_U16 },
1a28ed21 712 [NL80211_WOWLAN_TCP_DATA_PAYLOAD] = { .type = NLA_MIN_LEN, .len = 1 },
2a0e047e
JB		 713 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ] = {
714 .len = sizeof(struct nl80211_wowlan_tcp_data_seq)
715 },
716 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN] = {
717 .len = sizeof(struct nl80211_wowlan_tcp_data_token)
718 },
719 [NL80211_WOWLAN_TCP_DATA_INTERVAL] = { .type = NLA_U32 },
1a28ed21
JB		 720 [NL80211_WOWLAN_TCP_WAKE_PAYLOAD] = { .type = NLA_MIN_LEN, .len = 1 },
721 [NL80211_WOWLAN_TCP_WAKE_MASK] = { .type = NLA_MIN_LEN, .len = 1 },
ff1b6e69 722};
f83ace3b 723#endif /* CONFIG_PM */
ff1b6e69 724
be29b99a
AK		 725/* policy for coalesce rule attributes */
726static const struct nla_policy
727nl80211_coalesce_policy[NUM_NL80211_ATTR_COALESCE_RULE] = {
728 [NL80211_ATTR_COALESCE_RULE_DELAY] = { .type = NLA_U32 },
ab0d76f6
JB		 729 [NL80211_ATTR_COALESCE_RULE_CONDITION] =
730 NLA_POLICY_RANGE(NLA_U32,
731 NL80211_COALESCE_CONDITION_MATCH,
732 NL80211_COALESCE_CONDITION_NO_MATCH),
be29b99a
AK		 733 [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN] = { .type = NLA_NESTED },
734};
735
e5497d76
JB		 736/* policy for GTK rekey offload attributes */
737static const struct nla_policy
738nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = {
180aa422
JB		 739 [NL80211_REKEY_DATA_KEK] = {
740 .type = NLA_EXACT_LEN_WARN,
741 .len = NL80211_KEK_LEN,
742 },
743 [NL80211_REKEY_DATA_KCK] = {
744 .type = NLA_EXACT_LEN_WARN,
745 .len = NL80211_KCK_LEN,
746 },
1a28ed21
JB		 747 [NL80211_REKEY_DATA_REPLAY_CTR] = {
748 .type = NLA_EXACT_LEN_WARN,
749 .len = NL80211_REPLAY_CTR_LEN
750 },
e5497d76
JB		 751};
752
1e1b11b6 753static const struct nla_policy
754nl80211_match_band_rssi_policy[NUM_NL80211_BANDS] = {
755 [NL80211_BAND_2GHZ] = { .type = NLA_S32 },
756 [NL80211_BAND_5GHZ] = { .type = NLA_S32 },
e548a1c3 757 [NL80211_BAND_6GHZ] = { .type = NLA_S32 },
1e1b11b6 758 [NL80211_BAND_60GHZ] = { .type = NLA_S32 },
759};
760
a1f1c21c
LC		 761static const struct nla_policy
762nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = {
4a4ab0d7 763 [NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY,
a1f1c21c 764 .len = IEEE80211_MAX_SSID_LEN },
1a28ed21
JB		 765 [NL80211_SCHED_SCAN_MATCH_ATTR_BSSID] = {
766 .type = NLA_EXACT_LEN_WARN,
767 .len = ETH_ALEN
768 },
88e920b4 769 [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 },
1e1b11b6 770 [NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI] =
771 NLA_POLICY_NESTED(nl80211_match_band_rssi_policy),
a1f1c21c
LC		 772};
773
3b06d277
AS		 774static const struct nla_policy
775nl80211_plan_policy[NL80211_SCHED_SCAN_PLAN_MAX + 1] = {
776 [NL80211_SCHED_SCAN_PLAN_INTERVAL] = { .type = NLA_U32 },
777 [NL80211_SCHED_SCAN_PLAN_ITERATIONS] = { .type = NLA_U32 },
778};
779
38de03d2
AS		 780static const struct nla_policy
781nl80211_bss_select_policy[NL80211_BSS_SELECT_ATTR_MAX + 1] = {
782 [NL80211_BSS_SELECT_ATTR_RSSI] = { .type = NLA_FLAG },
783 [NL80211_BSS_SELECT_ATTR_BAND_PREF] = { .type = NLA_U32 },
784 [NL80211_BSS_SELECT_ATTR_RSSI_ADJUST] = {
785 .len = sizeof(struct nl80211_bss_select_rssi_adjust)
786 },
787};
788
a442b761
AB		 789/* policy for NAN function attributes */
790static const struct nla_policy
791nl80211_nan_func_policy[NL80211_NAN_FUNC_ATTR_MAX + 1] = {
792 [NL80211_NAN_FUNC_TYPE] = { .type = NLA_U8 },
0a27844c 793 [NL80211_NAN_FUNC_SERVICE_ID] = {
a442b761
AB		 794 .len = NL80211_NAN_FUNC_SERVICE_ID_LEN },
795 [NL80211_NAN_FUNC_PUBLISH_TYPE] = { .type = NLA_U8 },
796 [NL80211_NAN_FUNC_PUBLISH_BCAST] = { .type = NLA_FLAG },
797 [NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE] = { .type = NLA_FLAG },
798 [NL80211_NAN_FUNC_FOLLOW_UP_ID] = { .type = NLA_U8 },
799 [NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] = { .type = NLA_U8 },
1a28ed21
JB		 800 [NL80211_NAN_FUNC_FOLLOW_UP_DEST] = {
801 .type = NLA_EXACT_LEN_WARN,
802 .len = ETH_ALEN
803 },
a442b761
AB		 804 [NL80211_NAN_FUNC_CLOSE_RANGE] = { .type = NLA_FLAG },
805 [NL80211_NAN_FUNC_TTL] = { .type = NLA_U32 },
806 [NL80211_NAN_FUNC_SERVICE_INFO] = { .type = NLA_BINARY,
807 .len = NL80211_NAN_FUNC_SERVICE_SPEC_INFO_MAX_LEN },
808 [NL80211_NAN_FUNC_SRF] = { .type = NLA_NESTED },
809 [NL80211_NAN_FUNC_RX_MATCH_FILTER] = { .type = NLA_NESTED },
810 [NL80211_NAN_FUNC_TX_MATCH_FILTER] = { .type = NLA_NESTED },
811 [NL80211_NAN_FUNC_INSTANCE_ID] = { .type = NLA_U8 },
812 [NL80211_NAN_FUNC_TERM_REASON] = { .type = NLA_U8 },
813};
814
815/* policy for Service Response Filter attributes */
816static const struct nla_policy
817nl80211_nan_srf_policy[NL80211_NAN_SRF_ATTR_MAX + 1] = {
818 [NL80211_NAN_SRF_INCLUDE] = { .type = NLA_FLAG },
819 [NL80211_NAN_SRF_BF] = { .type = NLA_BINARY,
820 .len = NL80211_NAN_FUNC_SRF_MAX_LEN },
821 [NL80211_NAN_SRF_BF_IDX] = { .type = NLA_U8 },
822 [NL80211_NAN_SRF_MAC_ADDRS] = { .type = NLA_NESTED },
823};
824
ad670233
PX		 825/* policy for packet pattern attributes */
826static const struct nla_policy
827nl80211_packet_pattern_policy[MAX_NL80211_PKTPAT + 1] = {
828 [NL80211_PKTPAT_MASK] = { .type = NLA_BINARY, },
829 [NL80211_PKTPAT_PATTERN] = { .type = NLA_BINARY, },
830 [NL80211_PKTPAT_OFFSET] = { .type = NLA_U32 },
831};
832
9bb7e0f2
JB		 833int nl80211_prepare_wdev_dump(struct netlink_callback *cb,
834 struct cfg80211_registered_device **rdev,
835 struct wireless_dev **wdev)
a043897a 836{
97990a06 837 int err;
a043897a 838
97990a06 839 if (!cb->args[0]) {
50508d94
JB		 840 struct nlattr **attrbuf;
841
842 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf),
843 GFP_KERNEL);
844 if (!attrbuf)
845 return -ENOMEM;
846
8cb08174
JB		 847 err = nlmsg_parse_deprecated(cb->nlh,
848 GENL_HDRLEN + nl80211_fam.hdrsize,
50508d94 849 attrbuf, nl80211_fam.maxattr,
8cb08174 850 nl80211_policy, NULL);
50508d94
JB		 851 if (err) {
852 kfree(attrbuf);
ea90e0dc 853 return err;
50508d94 854 }
67748893 855
50508d94
JB		 856 *wdev = __cfg80211_wdev_from_attrs(sock_net(cb->skb->sk),
857 attrbuf);
858 kfree(attrbuf);
ea90e0dc
JB		 859 if (IS_ERR(*wdev))
860 return PTR_ERR(*wdev);
f26cbf40 861 *rdev = wiphy_to_rdev((*wdev)->wiphy);
c319d50b
JB		 862 /* 0 is the first index - add 1 to parse only once */
863 cb->args[0] = (*rdev)->wiphy_idx + 1;
97990a06
JB		 864 cb->args[1] = (*wdev)->identifier;
865 } else {
c319d50b
JB		 866 /* subtract the 1 again here */
867 struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
97990a06 868 struct wireless_dev *tmp;
67748893 869
ea90e0dc
JB		 870 if (!wiphy)
871 return -ENODEV;
f26cbf40 872 *rdev = wiphy_to_rdev(wiphy);
97990a06 873 *wdev = NULL;
67748893 874
53873f13 875 list_for_each_entry(tmp, &(*rdev)->wiphy.wdev_list, list) {
97990a06
JB		 876 if (tmp->identifier == cb->args[1]) {
877 *wdev = tmp;
878 break;
879 }
880 }
67748893 881
ea90e0dc
JB		 882 if (!*wdev)
883 return -ENODEV;
67748893
JB		 884 }
885
67748893 886 return 0;
67748893
JB		 887}
888
55682965 889/* message building helper */
9bb7e0f2
JB		 890void *nl80211hdr_put(struct sk_buff *skb, u32 portid, u32 seq,
891 int flags, u8 cmd)
55682965
JB		 892{
893 /* since there is no private header just add the generic one */
15e47304 894 return genlmsg_put(skb, portid, seq, &nl80211_fam, flags, cmd);
55682965
JB		 895}
896
50f32718
HD		 897static int nl80211_msg_put_wmm_rules(struct sk_buff *msg,
898 const struct ieee80211_reg_rule *rule)
899{
900 int j;
901 struct nlattr *nl_wmm_rules =
ae0be8de 902 nla_nest_start_noflag(msg, NL80211_FREQUENCY_ATTR_WMM);
50f32718
HD		 903
904 if (!nl_wmm_rules)
905 goto nla_put_failure;
906
907 for (j = 0; j < IEEE80211_NUM_ACS; j++) {
ae0be8de 908 struct nlattr *nl_wmm_rule = nla_nest_start_noflag(msg, j);
50f32718
HD		 909
910 if (!nl_wmm_rule)
911 goto nla_put_failure;
912
913 if (nla_put_u16(msg, NL80211_WMMR_CW_MIN,
38cb87ee 914 rule->wmm_rule.client[j].cw_min) ||
50f32718 915 nla_put_u16(msg, NL80211_WMMR_CW_MAX,
38cb87ee 916 rule->wmm_rule.client[j].cw_max) ||
50f32718 917 nla_put_u8(msg, NL80211_WMMR_AIFSN,
38cb87ee 918 rule->wmm_rule.client[j].aifsn) ||
d3c89bbc
HD		 919 nla_put_u16(msg, NL80211_WMMR_TXOP,
920 rule->wmm_rule.client[j].cot))
50f32718
HD		 921 goto nla_put_failure;
922
923 nla_nest_end(msg, nl_wmm_rule);
924 }
925 nla_nest_end(msg, nl_wmm_rules);
926
927 return 0;
928
929nla_put_failure:
930 return -ENOBUFS;
931}
932
933static int nl80211_msg_put_channel(struct sk_buff *msg, struct wiphy *wiphy,
cdc89b97
JB		 934 struct ieee80211_channel *chan,
935 bool large)
5dab3b8a 936{
ea077c1c
RL		 937 /* Some channels must be completely excluded from the
938 * list to protect old user-space tools from breaking
939 */
940 if (!large && chan->flags &
941 (IEEE80211_CHAN_NO_10MHZ | IEEE80211_CHAN_NO_20MHZ))
942 return 0;
943
9360ffd1
DM		 944 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_FREQ,
945 chan->center_freq))
946 goto nla_put_failure;
5dab3b8a 947
9360ffd1
DM		 948 if ((chan->flags & IEEE80211_CHAN_DISABLED) &&
949 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DISABLED))
950 goto nla_put_failure;
8fe02e16
LR		 951 if (chan->flags & IEEE80211_CHAN_NO_IR) {
952 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IR))
953 goto nla_put_failure;
954 if (nla_put_flag(msg, __NL80211_FREQUENCY_ATTR_NO_IBSS))
955 goto nla_put_failure;
956 }
cdc89b97
JB		 957 if (chan->flags & IEEE80211_CHAN_RADAR) {
958 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR))
959 goto nla_put_failure;
960 if (large) {
961 u32 time;
962
963 time = elapsed_jiffies_msecs(chan->dfs_state_entered);
964
965 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_STATE,
966 chan->dfs_state))
967 goto nla_put_failure;
968 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_TIME,
969 time))
970 goto nla_put_failure;
089027e5
JD		 971 if (nla_put_u32(msg,
972 NL80211_FREQUENCY_ATTR_DFS_CAC_TIME,
973 chan->dfs_cac_ms))
974 goto nla_put_failure;
cdc89b97
JB		 975 }
976 }
5dab3b8a 977
fe1abafd
JB		 978 if (large) {
979 if ((chan->flags & IEEE80211_CHAN_NO_HT40MINUS) &&
980 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS))
981 goto nla_put_failure;
982 if ((chan->flags & IEEE80211_CHAN_NO_HT40PLUS) &&
983 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS))
984 goto nla_put_failure;
985 if ((chan->flags & IEEE80211_CHAN_NO_80MHZ) &&
986 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_80MHZ))
987 goto nla_put_failure;
988 if ((chan->flags & IEEE80211_CHAN_NO_160MHZ) &&
989 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_160MHZ))
990 goto nla_put_failure;
570dbde1
DS		 991 if ((chan->flags & IEEE80211_CHAN_INDOOR_ONLY) &&
992 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_INDOOR_ONLY))
993 goto nla_put_failure;
06f207fc
AN		 994 if ((chan->flags & IEEE80211_CHAN_IR_CONCURRENT) &&
995 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_IR_CONCURRENT))
570dbde1 996 goto nla_put_failure;
ea077c1c
RL		 997 if ((chan->flags & IEEE80211_CHAN_NO_20MHZ) &&
998 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_20MHZ))
999 goto nla_put_failure;
1000 if ((chan->flags & IEEE80211_CHAN_NO_10MHZ) &&
1001 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_10MHZ))
1002 goto nla_put_failure;
1e61d82c
HD		 1003 if ((chan->flags & IEEE80211_CHAN_NO_HE) &&
1004 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HE))
1005 goto nla_put_failure;
fe1abafd
JB		 1006 }
1007
9360ffd1
DM		 1008 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER,
1009 DBM_TO_MBM(chan->max_power)))
1010 goto nla_put_failure;
5dab3b8a 1011
50f32718
HD		 1012 if (large) {
1013 const struct ieee80211_reg_rule *rule =
b88d26d9 1014 freq_reg_info(wiphy, MHZ_TO_KHZ(chan->center_freq));
50f32718 1015
38cb87ee 1016 if (!IS_ERR_OR_NULL(rule) && rule->has_wmm) {
50f32718
HD		 1017 if (nl80211_msg_put_wmm_rules(msg, rule))
1018 goto nla_put_failure;
1019 }
1020 }
1021
5dab3b8a
LR		 1022 return 0;
1023
1024 nla_put_failure:
1025 return -ENOBUFS;
1026}
1027
52539ca8
THJ		 1028static bool nl80211_put_txq_stats(struct sk_buff *msg,
1029 struct cfg80211_txq_stats *txqstats,
1030 int attrtype)
1031{
1032 struct nlattr *txqattr;
1033
1034#define PUT_TXQVAL_U32(attr, memb) do { \
1035 if (txqstats->filled & BIT(NL80211_TXQ_STATS_ ## attr) && \
1036 nla_put_u32(msg, NL80211_TXQ_STATS_ ## attr, txqstats->memb)) \
1037 return false; \
1038 } while (0)
1039
ae0be8de 1040 txqattr = nla_nest_start_noflag(msg, attrtype);
52539ca8
THJ		 1041 if (!txqattr)
1042 return false;
1043
1044 PUT_TXQVAL_U32(BACKLOG_BYTES, backlog_bytes);
1045 PUT_TXQVAL_U32(BACKLOG_PACKETS, backlog_packets);
1046 PUT_TXQVAL_U32(FLOWS, flows);
1047 PUT_TXQVAL_U32(DROPS, drops);
1048 PUT_TXQVAL_U32(ECN_MARKS, ecn_marks);
1049 PUT_TXQVAL_U32(OVERLIMIT, overlimit);
1050 PUT_TXQVAL_U32(OVERMEMORY, overmemory);
1051 PUT_TXQVAL_U32(COLLISIONS, collisions);
1052 PUT_TXQVAL_U32(TX_BYTES, tx_bytes);
1053 PUT_TXQVAL_U32(TX_PACKETS, tx_packets);
1054 PUT_TXQVAL_U32(MAX_FLOWS, max_flows);
1055 nla_nest_end(msg, txqattr);
1056
1057#undef PUT_TXQVAL_U32
1058 return true;
1059}
1060
55682965
JB		 1061/* netlink command implementations */
1062
b9454e83
JB		 1063struct key_parse {
1064 struct key_params p;
1065 int idx;
e31b8213 1066 int type;
56be393f 1067 bool def, defmgmt, defbeacon;
dbd2fd65 1068 bool def_uni, def_multi;
b9454e83
JB		 1069};
1070
768075eb
JB		 1071static int nl80211_parse_key_new(struct genl_info *info, struct nlattr *key,
1072 struct key_parse *k)
b9454e83
JB		 1073{
1074 struct nlattr *tb[NL80211_KEY_MAX + 1];
8cb08174
JB		 1075 int err = nla_parse_nested_deprecated(tb, NL80211_KEY_MAX, key,
1076 nl80211_key_policy,
1077 info->extack);
b9454e83
JB		 1078 if (err)
1079 return err;
1080
1081 k->def = !!tb[NL80211_KEY_DEFAULT];
1082 k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT];
56be393f 1083 k->defbeacon = !!tb[NL80211_KEY_DEFAULT_BEACON];
b9454e83 1084
dbd2fd65
JB		 1085 if (k->def) {
1086 k->def_uni = true;
1087 k->def_multi = true;
1088 }
56be393f 1089 if (k->defmgmt || k->defbeacon)
dbd2fd65
JB		 1090 k->def_multi = true;
1091
b9454e83
JB		 1092 if (tb[NL80211_KEY_IDX])
1093 k->idx = nla_get_u8(tb[NL80211_KEY_IDX]);
1094
1095 if (tb[NL80211_KEY_DATA]) {
1096 k->p.key = nla_data(tb[NL80211_KEY_DATA]);
1097 k->p.key_len = nla_len(tb[NL80211_KEY_DATA]);
1098 }
1099
1100 if (tb[NL80211_KEY_SEQ]) {
1101 k->p.seq = nla_data(tb[NL80211_KEY_SEQ]);
1102 k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]);
1103 }
1104
1105 if (tb[NL80211_KEY_CIPHER])
1106 k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]);
1107
ab0d76f6 1108 if (tb[NL80211_KEY_TYPE])
e31b8213 1109 k->type = nla_get_u32(tb[NL80211_KEY_TYPE]);
e31b8213 1110
dbd2fd65
JB		 1111 if (tb[NL80211_KEY_DEFAULT_TYPES]) {
1112 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
7a087e74 1113
8cb08174
JB		 1114 err = nla_parse_nested_deprecated(kdt,
1115 NUM_NL80211_KEY_DEFAULT_TYPES - 1,
1116 tb[NL80211_KEY_DEFAULT_TYPES],
1117 nl80211_key_default_policy,
1118 info->extack);
dbd2fd65
JB		 1119 if (err)
1120 return err;
1121
1122 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
1123 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
1124 }
1125
6cdd3979
AW		 1126 if (tb[NL80211_KEY_MODE])
1127 k->p.mode = nla_get_u8(tb[NL80211_KEY_MODE]);
1128
b9454e83
JB		 1129 return 0;
1130}
1131
1132static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k)
1133{
1134 if (info->attrs[NL80211_ATTR_KEY_DATA]) {
1135 k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]);
1136 k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]);
1137 }
1138
1139 if (info->attrs[NL80211_ATTR_KEY_SEQ]) {
1140 k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]);
1141 k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]);
1142 }
1143
1144 if (info->attrs[NL80211_ATTR_KEY_IDX])
1145 k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
1146
1147 if (info->attrs[NL80211_ATTR_KEY_CIPHER])
1148 k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]);
1149
1150 k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT];
1151 k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT];
1152
dbd2fd65
JB		 1153 if (k->def) {
1154 k->def_uni = true;
1155 k->def_multi = true;
1156 }
1157 if (k->defmgmt)
1158 k->def_multi = true;
1159
ab0d76f6 1160 if (info->attrs[NL80211_ATTR_KEY_TYPE])
e31b8213 1161 k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
e31b8213 1162
dbd2fd65
JB		 1163 if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) {
1164 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
8cb08174
JB		 1165 int err = nla_parse_nested_deprecated(kdt,
1166 NUM_NL80211_KEY_DEFAULT_TYPES - 1,
1167 info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES],
1168 nl80211_key_default_policy,
1169 info->extack);
dbd2fd65
JB		 1170 if (err)
1171 return err;
1172
1173 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
1174 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
1175 }
1176
b9454e83
JB		 1177 return 0;
1178}
1179
1180static int nl80211_parse_key(struct genl_info *info, struct key_parse *k)
1181{
1182 int err;
1183
1184 memset(k, 0, sizeof(*k));
1185 k->idx = -1;
e31b8213 1186 k->type = -1;
b9454e83
JB		 1187
1188 if (info->attrs[NL80211_ATTR_KEY])
768075eb 1189 err = nl80211_parse_key_new(info, info->attrs[NL80211_ATTR_KEY], k);
b9454e83
JB		 1190 else
1191 err = nl80211_parse_key_old(info, k);
1192
1193 if (err)
1194 return err;
1195
56be393f
JM		 1196 if ((k->def ? 1 : 0) + (k->defmgmt ? 1 : 0) +
1197 (k->defbeacon ? 1 : 0) > 1) {
1198 GENL_SET_ERR_MSG(info,
1199 "key with multiple default flags is invalid");
b9454e83 1200 return -EINVAL;
768075eb 1201 }
b9454e83 1202
56be393f 1203 if (k->defmgmt || k->defbeacon) {
768075eb 1204 if (k->def_uni || !k->def_multi) {
56be393f
JM		 1205 GENL_SET_ERR_MSG(info,
1206 "defmgmt/defbeacon key must be mcast");
dbd2fd65 1207 return -EINVAL;
768075eb 1208 }
dbd2fd65
JB		 1209 }
1210
b9454e83
JB		 1211 if (k->idx != -1) {
1212 if (k->defmgmt) {
768075eb
JB		 1213 if (k->idx < 4 || k->idx > 5) {
1214 GENL_SET_ERR_MSG(info,
1215 "defmgmt key idx not 4 or 5");
b9454e83 1216 return -EINVAL;
768075eb 1217 }
56be393f
JM		 1218 } else if (k->defbeacon) {
1219 if (k->idx < 6 || k->idx > 7) {
1220 GENL_SET_ERR_MSG(info,
1221 "defbeacon key idx not 6 or 7");
1222 return -EINVAL;
1223 }
b9454e83 1224 } else if (k->def) {
768075eb
JB		 1225 if (k->idx < 0 || k->idx > 3) {
1226 GENL_SET_ERR_MSG(info, "def key idx not 0-3");
b9454e83 1227 return -EINVAL;
768075eb 1228 }
b9454e83 1229 } else {
56be393f
JM		 1230 if (k->idx < 0 || k->idx > 7) {
1231 GENL_SET_ERR_MSG(info, "key idx not 0-7");
b9454e83 1232 return -EINVAL;
768075eb 1233 }
b9454e83
JB		 1234 }
1235 }
1236
1237 return 0;
1238}
1239
fffd0934
JB		 1240static struct cfg80211_cached_keys *
1241nl80211_parse_connkeys(struct cfg80211_registered_device *rdev,
768075eb 1242 struct genl_info *info, bool *no_ht)
fffd0934 1243{
768075eb 1244 struct nlattr *keys = info->attrs[NL80211_ATTR_KEYS];
fffd0934
JB		 1245 struct key_parse parse;
1246 struct nlattr *key;
1247 struct cfg80211_cached_keys *result;
1248 int rem, err, def = 0;
f1c1f17a
JB		 1249 bool have_key = false;
1250
1251 nla_for_each_nested(key, keys, rem) {
1252 have_key = true;
1253 break;
1254 }
1255
1256 if (!have_key)
1257 return NULL;
fffd0934
JB		 1258
1259 result = kzalloc(sizeof(*result), GFP_KERNEL);
1260 if (!result)
1261 return ERR_PTR(-ENOMEM);
1262
1263 result->def = -1;
fffd0934
JB		 1264
1265 nla_for_each_nested(key, keys, rem) {
1266 memset(&parse, 0, sizeof(parse));
1267 parse.idx = -1;
1268
768075eb 1269 err = nl80211_parse_key_new(info, key, &parse);
fffd0934
JB		 1270 if (err)
1271 goto error;
1272 err = -EINVAL;
1273 if (!parse.p.key)
1274 goto error;
768075eb
JB		 1275 if (parse.idx < 0 || parse.idx > 3) {
1276 GENL_SET_ERR_MSG(info, "key index out of range [0-3]");
fffd0934 1277 goto error;
768075eb 1278 }
fffd0934 1279 if (parse.def) {
768075eb
JB		 1280 if (def) {
1281 GENL_SET_ERR_MSG(info,
1282 "only one key can be default");
fffd0934 1283 goto error;
768075eb 1284 }
fffd0934
JB		 1285 def = 1;
1286 result->def = parse.idx;
dbd2fd65
JB		 1287 if (!parse.def_uni || !parse.def_multi)
1288 goto error;
fffd0934
JB		 1289 } else if (parse.defmgmt)
1290 goto error;
1291 err = cfg80211_validate_key_settings(rdev, &parse.p,
e31b8213 1292 parse.idx, false, NULL);
fffd0934
JB		 1293 if (err)
1294 goto error;
386b1f27
JB		 1295 if (parse.p.cipher != WLAN_CIPHER_SUITE_WEP40 &&
1296 parse.p.cipher != WLAN_CIPHER_SUITE_WEP104) {
768075eb 1297 GENL_SET_ERR_MSG(info, "connect key must be WEP");
386b1f27
JB		 1298 err = -EINVAL;
1299 goto error;
1300 }
fffd0934
JB		 1301 result->params[parse.idx].cipher = parse.p.cipher;
1302 result->params[parse.idx].key_len = parse.p.key_len;
1303 result->params[parse.idx].key = result->data[parse.idx];
1304 memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len);
de7044ee 1305
386b1f27
JB		 1306 /* must be WEP key if we got here */
1307 if (no_ht)
1308 *no_ht = true;
fffd0934
JB		 1309 }
1310
f1c1f17a
JB		 1311 if (result->def < 0) {
1312 err = -EINVAL;
768075eb 1313 GENL_SET_ERR_MSG(info, "need a default/TX key");
f1c1f17a
JB		 1314 goto error;
1315 }
1316
fffd0934
JB		 1317 return result;
1318 error:
1319 kfree(result);
1320 return ERR_PTR(err);
1321}
1322
1323static int nl80211_key_allowed(struct wireless_dev *wdev)
1324{
1325 ASSERT_WDEV_LOCK(wdev);
1326
fffd0934
JB		 1327 switch (wdev->iftype) {
1328 case NL80211_IFTYPE_AP:
1329 case NL80211_IFTYPE_AP_VLAN:
074ac8df 1330 case NL80211_IFTYPE_P2P_GO:
ff973af7 1331 case NL80211_IFTYPE_MESH_POINT:
fffd0934
JB		 1332 break;
1333 case NL80211_IFTYPE_ADHOC:
fffd0934 1334 case NL80211_IFTYPE_STATION:
074ac8df 1335 case NL80211_IFTYPE_P2P_CLIENT:
ceca7b71 1336 if (!wdev->current_bss)
fffd0934
JB		 1337 return -ENOLINK;
1338 break;
de4fcbad 1339 case NL80211_IFTYPE_UNSPECIFIED:
6e0bd6c3 1340 case NL80211_IFTYPE_OCB:
de4fcbad 1341 case NL80211_IFTYPE_MONITOR:
cb3b7d87 1342 case NL80211_IFTYPE_NAN:
de4fcbad
JB		 1343 case NL80211_IFTYPE_P2P_DEVICE:
1344 case NL80211_IFTYPE_WDS:
1345 case NUM_NL80211_IFTYPES:
fffd0934
JB		 1346 return -EINVAL;
1347 }
1348
1349 return 0;
1350}
1351
664834de
JM		 1352static struct ieee80211_channel *nl80211_get_valid_chan(struct wiphy *wiphy,
1353 struct nlattr *tb)
1354{
1355 struct ieee80211_channel *chan;
1356
1357 if (tb == NULL)
1358 return NULL;
1359 chan = ieee80211_get_channel(wiphy, nla_get_u32(tb));
1360 if (!chan || chan->flags & IEEE80211_CHAN_DISABLED)
1361 return NULL;
1362 return chan;
1363}
1364
7527a782
JB		 1365static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes)
1366{
ae0be8de 1367 struct nlattr *nl_modes = nla_nest_start_noflag(msg, attr);
7527a782
JB		 1368 int i;
1369
1370 if (!nl_modes)
1371 goto nla_put_failure;
1372
1373 i = 0;
1374 while (ifmodes) {
9360ffd1
DM		 1375 if ((ifmodes & 1) && nla_put_flag(msg, i))
1376 goto nla_put_failure;
7527a782
JB		 1377 ifmodes >>= 1;
1378 i++;
1379 }
1380
1381 nla_nest_end(msg, nl_modes);
1382 return 0;
1383
1384nla_put_failure:
1385 return -ENOBUFS;
1386}
1387
1388static int nl80211_put_iface_combinations(struct wiphy *wiphy,
cdc89b97
JB		 1389 struct sk_buff *msg,
1390 bool large)
7527a782
JB		 1391{
1392 struct nlattr *nl_combis;
1393 int i, j;
1394
ae0be8de
MK		 1395 nl_combis = nla_nest_start_noflag(msg,
1396 NL80211_ATTR_INTERFACE_COMBINATIONS);
7527a782
JB		 1397 if (!nl_combis)
1398 goto nla_put_failure;
1399
1400 for (i = 0; i < wiphy->n_iface_combinations; i++) {
1401 const struct ieee80211_iface_combination *c;
1402 struct nlattr *nl_combi, *nl_limits;
1403
1404 c = &wiphy->iface_combinations[i];
1405
ae0be8de 1406 nl_combi = nla_nest_start_noflag(msg, i + 1);
7527a782
JB		 1407 if (!nl_combi)
1408 goto nla_put_failure;
1409
ae0be8de
MK		 1410 nl_limits = nla_nest_start_noflag(msg,
1411 NL80211_IFACE_COMB_LIMITS);
7527a782
JB		 1412 if (!nl_limits)
1413 goto nla_put_failure;
1414
1415 for (j = 0; j < c->n_limits; j++) {
1416 struct nlattr *nl_limit;
1417
ae0be8de 1418 nl_limit = nla_nest_start_noflag(msg, j + 1);
7527a782
JB		 1419 if (!nl_limit)
1420 goto nla_put_failure;
9360ffd1
DM		 1421 if (nla_put_u32(msg, NL80211_IFACE_LIMIT_MAX,
1422 c->limits[j].max))
1423 goto nla_put_failure;
7527a782
JB		 1424 if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES,
1425 c->limits[j].types))
1426 goto nla_put_failure;
1427 nla_nest_end(msg, nl_limit);
1428 }
1429
1430 nla_nest_end(msg, nl_limits);
1431
9360ffd1
DM		 1432 if (c->beacon_int_infra_match &&
1433 nla_put_flag(msg, NL80211_IFACE_COMB_STA_AP_BI_MATCH))
1434 goto nla_put_failure;
1435 if (nla_put_u32(msg, NL80211_IFACE_COMB_NUM_CHANNELS,
1436 c->num_different_channels) ||
1437 nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM,
1438 c->max_interfaces))
1439 goto nla_put_failure;
cdc89b97 1440 if (large &&
8c48b50a
FF		 1441 (nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS,
1442 c->radar_detect_widths) ||
1443 nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS,
1444 c->radar_detect_regions)))
cdc89b97 1445 goto nla_put_failure;
0c317a02
PK		 1446 if (c->beacon_int_min_gcd &&
1447 nla_put_u32(msg, NL80211_IFACE_COMB_BI_MIN_GCD,
1448 c->beacon_int_min_gcd))
1449 goto nla_put_failure;
7527a782
JB		 1450
1451 nla_nest_end(msg, nl_combi);
1452 }
1453
1454 nla_nest_end(msg, nl_combis);
1455
1456 return 0;
1457nla_put_failure:
1458 return -ENOBUFS;
1459}
1460
3713b4e3 1461#ifdef CONFIG_PM
b56cf720
JB		 1462static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev,
1463 struct sk_buff *msg)
1464{
964dc9e2 1465 const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan->tcp;
b56cf720
JB		 1466 struct nlattr *nl_tcp;
1467
1468 if (!tcp)
1469 return 0;
1470
ae0be8de
MK		 1471 nl_tcp = nla_nest_start_noflag(msg,
1472 NL80211_WOWLAN_TRIG_TCP_CONNECTION);
b56cf720
JB		 1473 if (!nl_tcp)
1474 return -ENOBUFS;
1475
1476 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
1477 tcp->data_payload_max))
1478 return -ENOBUFS;
1479
1480 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
1481 tcp->data_payload_max))
1482 return -ENOBUFS;
1483
1484 if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ))
1485 return -ENOBUFS;
1486
1487 if (tcp->tok && nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
1488 sizeof(*tcp->tok), tcp->tok))
1489 return -ENOBUFS;
1490
1491 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
1492 tcp->data_interval_max))
1493 return -ENOBUFS;
1494
1495 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
1496 tcp->wake_payload_max))
1497 return -ENOBUFS;
1498
1499 nla_nest_end(msg, nl_tcp);
1500 return 0;
1501}
1502
3713b4e3 1503static int nl80211_send_wowlan(struct sk_buff *msg,
1b8ec87a 1504 struct cfg80211_registered_device *rdev,
b56cf720 1505 bool large)
55682965 1506{
3713b4e3 1507 struct nlattr *nl_wowlan;
55682965 1508
1b8ec87a 1509 if (!rdev->wiphy.wowlan)
3713b4e3 1510 return 0;
55682965 1511
ae0be8de
MK		 1512 nl_wowlan = nla_nest_start_noflag(msg,
1513 NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED);
3713b4e3
JB		 1514 if (!nl_wowlan)
1515 return -ENOBUFS;
9360ffd1 1516
1b8ec87a 1517 if (((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_ANY) &&
3713b4e3 1518 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
1b8ec87a 1519 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_DISCONNECT) &&
3713b4e3 1520 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
1b8ec87a 1521 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT) &&
3713b4e3 1522 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
1b8ec87a 1523 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) &&
3713b4e3 1524 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED)) ||
1b8ec87a 1525 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) &&
3713b4e3 1526 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
1b8ec87a 1527 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) &&
3713b4e3 1528 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
1b8ec87a 1529 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) &&
3713b4e3 1530 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
1b8ec87a 1531 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE) &&
3713b4e3
JB		 1532 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
1533 return -ENOBUFS;
9360ffd1 1534
1b8ec87a 1535 if (rdev->wiphy.wowlan->n_patterns) {
50ac6607 1536 struct nl80211_pattern_support pat = {
1b8ec87a
ZG		 1537 .max_patterns = rdev->wiphy.wowlan->n_patterns,
1538 .min_pattern_len = rdev->wiphy.wowlan->pattern_min_len,
1539 .max_pattern_len = rdev->wiphy.wowlan->pattern_max_len,
1540 .max_pkt_offset = rdev->wiphy.wowlan->max_pkt_offset,
3713b4e3 1541 };
9360ffd1 1542
3713b4e3
JB		 1543 if (nla_put(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
1544 sizeof(pat), &pat))
1545 return -ENOBUFS;
1546 }
9360ffd1 1547
75453ccb
LC		 1548 if ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_NET_DETECT) &&
1549 nla_put_u32(msg, NL80211_WOWLAN_TRIG_NET_DETECT,
1550 rdev->wiphy.wowlan->max_nd_match_sets))
1551 return -ENOBUFS;
1552
1b8ec87a 1553 if (large && nl80211_send_wowlan_tcp_caps(rdev, msg))
b56cf720
JB		 1554 return -ENOBUFS;
1555
3713b4e3 1556 nla_nest_end(msg, nl_wowlan);
9360ffd1 1557
3713b4e3
JB		 1558 return 0;
1559}
1560#endif
9360ffd1 1561
be29b99a 1562static int nl80211_send_coalesce(struct sk_buff *msg,
1b8ec87a 1563 struct cfg80211_registered_device *rdev)
be29b99a
AK		 1564{
1565 struct nl80211_coalesce_rule_support rule;
1566
1b8ec87a 1567 if (!rdev->wiphy.coalesce)
be29b99a
AK		 1568 return 0;
1569
1b8ec87a
ZG		 1570 rule.max_rules = rdev->wiphy.coalesce->n_rules;
1571 rule.max_delay = rdev->wiphy.coalesce->max_delay;
1572 rule.pat.max_patterns = rdev->wiphy.coalesce->n_patterns;
1573 rule.pat.min_pattern_len = rdev->wiphy.coalesce->pattern_min_len;
1574 rule.pat.max_pattern_len = rdev->wiphy.coalesce->pattern_max_len;
1575 rule.pat.max_pkt_offset = rdev->wiphy.coalesce->max_pkt_offset;
be29b99a
AK		 1576
1577 if (nla_put(msg, NL80211_ATTR_COALESCE_RULE, sizeof(rule), &rule))
1578 return -ENOBUFS;
1579
1580 return 0;
1581}
1582
c4cbaf79
LC		 1583static int
1584nl80211_send_iftype_data(struct sk_buff *msg,
1585 const struct ieee80211_sband_iftype_data *iftdata)
1586{
1587 const struct ieee80211_sta_he_cap *he_cap = &iftdata->he_cap;
1588
1589 if (nl80211_put_iftypes(msg, NL80211_BAND_IFTYPE_ATTR_IFTYPES,
1590 iftdata->types_mask))
1591 return -ENOBUFS;
1592
1593 if (he_cap->has_he) {
1594 if (nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC,
1595 sizeof(he_cap->he_cap_elem.mac_cap_info),
1596 he_cap->he_cap_elem.mac_cap_info) ||
1597 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY,
1598 sizeof(he_cap->he_cap_elem.phy_cap_info),
1599 he_cap->he_cap_elem.phy_cap_info) ||
1600 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET,
1601 sizeof(he_cap->he_mcs_nss_supp),
1602 &he_cap->he_mcs_nss_supp) ||
1603 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE,
1604 sizeof(he_cap->ppe_thres), he_cap->ppe_thres))
1605 return -ENOBUFS;
1606 }
1607
1608 return 0;
1609}
1610
3713b4e3
JB		 1611static int nl80211_send_band_rateinfo(struct sk_buff *msg,
1612 struct ieee80211_supported_band *sband)
1613{
1614 struct nlattr *nl_rates, *nl_rate;
1615 struct ieee80211_rate *rate;
1616 int i;
87bbbe22 1617
3713b4e3
JB		 1618 /* add HT info */
1619 if (sband->ht_cap.ht_supported &&
1620 (nla_put(msg, NL80211_BAND_ATTR_HT_MCS_SET,
1621 sizeof(sband->ht_cap.mcs),
1622 &sband->ht_cap.mcs) ||
1623 nla_put_u16(msg, NL80211_BAND_ATTR_HT_CAPA,
1624 sband->ht_cap.cap) ||
1625 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR,
1626 sband->ht_cap.ampdu_factor) ||
1627 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY,
1628 sband->ht_cap.ampdu_density)))
1629 return -ENOBUFS;
afe0cbf8 1630
3713b4e3
JB		 1631 /* add VHT info */
1632 if (sband->vht_cap.vht_supported &&
1633 (nla_put(msg, NL80211_BAND_ATTR_VHT_MCS_SET,
1634 sizeof(sband->vht_cap.vht_mcs),
1635 &sband->vht_cap.vht_mcs) ||
1636 nla_put_u32(msg, NL80211_BAND_ATTR_VHT_CAPA,
1637 sband->vht_cap.cap)))
1638 return -ENOBUFS;
f59ac048 1639
c4cbaf79
LC		 1640 if (sband->n_iftype_data) {
1641 struct nlattr *nl_iftype_data =
ae0be8de
MK		 1642 nla_nest_start_noflag(msg,
1643 NL80211_BAND_ATTR_IFTYPE_DATA);
c4cbaf79
LC		 1644 int err;
1645
1646 if (!nl_iftype_data)
1647 return -ENOBUFS;
1648
1649 for (i = 0; i < sband->n_iftype_data; i++) {
1650 struct nlattr *iftdata;
1651
ae0be8de 1652 iftdata = nla_nest_start_noflag(msg, i + 1);
c4cbaf79
LC		 1653 if (!iftdata)
1654 return -ENOBUFS;
1655
1656 err = nl80211_send_iftype_data(msg,
1657 &sband->iftype_data[i]);
1658 if (err)
1659 return err;
1660
1661 nla_nest_end(msg, iftdata);
1662 }
1663
1664 nla_nest_end(msg, nl_iftype_data);
1665 }
1666
2a38075c
AAL		 1667 /* add EDMG info */
1668 if (sband->edmg_cap.channels &&
1669 (nla_put_u8(msg, NL80211_BAND_ATTR_EDMG_CHANNELS,
1670 sband->edmg_cap.channels) ||
1671 nla_put_u8(msg, NL80211_BAND_ATTR_EDMG_BW_CONFIG,
1672 sband->edmg_cap.bw_config)))
1673
1674 return -ENOBUFS;
1675
3713b4e3 1676 /* add bitrates */
ae0be8de 1677 nl_rates = nla_nest_start_noflag(msg, NL80211_BAND_ATTR_RATES);
3713b4e3
JB		 1678 if (!nl_rates)
1679 return -ENOBUFS;
ee688b00 1680
3713b4e3 1681 for (i = 0; i < sband->n_bitrates; i++) {
ae0be8de 1682 nl_rate = nla_nest_start_noflag(msg, i);
3713b4e3
JB		 1683 if (!nl_rate)
1684 return -ENOBUFS;
ee688b00 1685
3713b4e3
JB		 1686 rate = &sband->bitrates[i];
1687 if (nla_put_u32(msg, NL80211_BITRATE_ATTR_RATE,
1688 rate->bitrate))
1689 return -ENOBUFS;
1690 if ((rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) &&
1691 nla_put_flag(msg,
1692 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE))
1693 return -ENOBUFS;
ee688b00 1694
3713b4e3
JB		 1695 nla_nest_end(msg, nl_rate);
1696 }
d51626df 1697
3713b4e3 1698 nla_nest_end(msg, nl_rates);
bf0c111e 1699
3713b4e3
JB		 1700 return 0;
1701}
ee688b00 1702
3713b4e3
JB		 1703static int
1704nl80211_send_mgmt_stypes(struct sk_buff *msg,
1705 const struct ieee80211_txrx_stypes *mgmt_stypes)
1706{
1707 u16 stypes;
1708 struct nlattr *nl_ftypes, *nl_ifs;
1709 enum nl80211_iftype ift;
1710 int i;
ee688b00 1711
3713b4e3
JB		 1712 if (!mgmt_stypes)
1713 return 0;
5dab3b8a 1714
ae0be8de 1715 nl_ifs = nla_nest_start_noflag(msg, NL80211_ATTR_TX_FRAME_TYPES);
3713b4e3
JB		 1716 if (!nl_ifs)
1717 return -ENOBUFS;
e2f367f2 1718
3713b4e3 1719 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
ae0be8de 1720 nl_ftypes = nla_nest_start_noflag(msg, ift);
3713b4e3
JB		 1721 if (!nl_ftypes)
1722 return -ENOBUFS;
1723 i = 0;
1724 stypes = mgmt_stypes[ift].tx;
1725 while (stypes) {
1726 if ((stypes & 1) &&
1727 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
1728 (i << 4) | IEEE80211_FTYPE_MGMT))
1729 return -ENOBUFS;
1730 stypes >>= 1;
1731 i++;
ee688b00 1732 }
3713b4e3
JB		 1733 nla_nest_end(msg, nl_ftypes);
1734 }
ee688b00 1735
3713b4e3 1736 nla_nest_end(msg, nl_ifs);
ee688b00 1737
ae0be8de 1738 nl_ifs = nla_nest_start_noflag(msg, NL80211_ATTR_RX_FRAME_TYPES);
3713b4e3
JB		 1739 if (!nl_ifs)
1740 return -ENOBUFS;
ee688b00 1741
3713b4e3 1742 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
ae0be8de 1743 nl_ftypes = nla_nest_start_noflag(msg, ift);
3713b4e3
JB		 1744 if (!nl_ftypes)
1745 return -ENOBUFS;
1746 i = 0;
1747 stypes = mgmt_stypes[ift].rx;
1748 while (stypes) {
1749 if ((stypes & 1) &&
1750 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
1751 (i << 4) | IEEE80211_FTYPE_MGMT))
1752 return -ENOBUFS;
1753 stypes >>= 1;
1754 i++;
1755 }
1756 nla_nest_end(msg, nl_ftypes);
1757 }
1758 nla_nest_end(msg, nl_ifs);
ee688b00 1759
3713b4e3
JB		 1760 return 0;
1761}
ee688b00 1762
1794899e
JB		 1763#define CMD(op, n) \
1764 do { \
1765 if (rdev->ops->op) { \
1766 i++; \
1767 if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \
1768 goto nla_put_failure; \
1769 } \
1770 } while (0)
1771
1772static int nl80211_add_commands_unsplit(struct cfg80211_registered_device *rdev,
1773 struct sk_buff *msg)
1774{
1775 int i = 0;
1776
1777 /*
1778 * do *NOT* add anything into this function, new things need to be
1779 * advertised only to new versions of userspace that can deal with
1780 * the split (and they can't possibly care about new features...
1781 */
1782 CMD(add_virtual_intf, NEW_INTERFACE);
1783 CMD(change_virtual_intf, SET_INTERFACE);
1784 CMD(add_key, NEW_KEY);
1785 CMD(start_ap, START_AP);
1786 CMD(add_station, NEW_STATION);
1787 CMD(add_mpath, NEW_MPATH);
1788 CMD(update_mesh_config, SET_MESH_CONFIG);
1789 CMD(change_bss, SET_BSS);
1790 CMD(auth, AUTHENTICATE);
1791 CMD(assoc, ASSOCIATE);
1792 CMD(deauth, DEAUTHENTICATE);
1793 CMD(disassoc, DISASSOCIATE);
1794 CMD(join_ibss, JOIN_IBSS);
1795 CMD(join_mesh, JOIN_MESH);
1796 CMD(set_pmksa, SET_PMKSA);
1797 CMD(del_pmksa, DEL_PMKSA);
1798 CMD(flush_pmksa, FLUSH_PMKSA);
1799 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)
1800 CMD(remain_on_channel, REMAIN_ON_CHANNEL);
1801 CMD(set_bitrate_mask, SET_TX_BITRATE_MASK);
1802 CMD(mgmt_tx, FRAME);
1803 CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL);
1804 if (rdev->wiphy.flags & WIPHY_FLAG_NETNS_OK) {
1805 i++;
1806 if (nla_put_u32(msg, i, NL80211_CMD_SET_WIPHY_NETNS))
1807 goto nla_put_failure;
1808 }
1809 if (rdev->ops->set_monitor_channel || rdev->ops->start_ap ||
1810 rdev->ops->join_mesh) {
1811 i++;
1812 if (nla_put_u32(msg, i, NL80211_CMD_SET_CHANNEL))
1813 goto nla_put_failure;
1814 }
1815 CMD(set_wds_peer, SET_WDS_PEER);
1816 if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) {
1817 CMD(tdls_mgmt, TDLS_MGMT);
1818 CMD(tdls_oper, TDLS_OPER);
1819 }
ca986ad9 1820 if (rdev->wiphy.max_sched_scan_reqs)
1794899e
JB		 1821 CMD(sched_scan_start, START_SCHED_SCAN);
1822 CMD(probe_client, PROBE_CLIENT);
1823 CMD(set_noack_map, SET_NOACK_MAP);
1824 if (rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) {
1825 i++;
1826 if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS))
1827 goto nla_put_failure;
1828 }
1829 CMD(start_p2p_device, START_P2P_DEVICE);
1830 CMD(set_mcast_rate, SET_MCAST_RATE);
1831#ifdef CONFIG_NL80211_TESTMODE
1832 CMD(testmode_cmd, TESTMODE);
1833#endif
1834
1835 if (rdev->ops->connect || rdev->ops->auth) {
1836 i++;
1837 if (nla_put_u32(msg, i, NL80211_CMD_CONNECT))
1838 goto nla_put_failure;
1839 }
1840
1841 if (rdev->ops->disconnect || rdev->ops->deauth) {
1842 i++;
1843 if (nla_put_u32(msg, i, NL80211_CMD_DISCONNECT))
1844 goto nla_put_failure;
1845 }
1846
1847 return i;
1848 nla_put_failure:
1849 return -ENOBUFS;
1850}
1851
9bb7e0f2
JB		 1852static int
1853nl80211_send_pmsr_ftm_capa(const struct cfg80211_pmsr_capabilities *cap,
1854 struct sk_buff *msg)
1855{
1856 struct nlattr *ftm;
1857
1858 if (!cap->ftm.supported)
1859 return 0;
1860
ae0be8de 1861 ftm = nla_nest_start_noflag(msg, NL80211_PMSR_TYPE_FTM);
9bb7e0f2
JB		 1862 if (!ftm)
1863 return -ENOBUFS;
1864
1865 if (cap->ftm.asap && nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_ASAP))
1866 return -ENOBUFS;
1867 if (cap->ftm.non_asap &&
1868 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_NON_ASAP))
1869 return -ENOBUFS;
1870 if (cap->ftm.request_lci &&
1871 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_REQ_LCI))
1872 return -ENOBUFS;
1873 if (cap->ftm.request_civicloc &&
1874 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_REQ_CIVICLOC))
1875 return -ENOBUFS;
1876 if (nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_PREAMBLES,
1877 cap->ftm.preambles))
1878 return -ENOBUFS;
1879 if (nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_BANDWIDTHS,
1880 cap->ftm.bandwidths))
1881 return -ENOBUFS;
1882 if (cap->ftm.max_bursts_exponent >= 0 &&
1883 nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_MAX_BURSTS_EXPONENT,
1884 cap->ftm.max_bursts_exponent))
1885 return -ENOBUFS;
1886 if (cap->ftm.max_ftms_per_burst &&
1887 nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_MAX_FTMS_PER_BURST,
1888 cap->ftm.max_ftms_per_burst))
1889 return -ENOBUFS;
efb5520d
AS		 1890 if (cap->ftm.trigger_based &&
1891 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_TRIGGER_BASED))
1892 return -ENOBUFS;
1893 if (cap->ftm.non_trigger_based &&
1894 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_NON_TRIGGER_BASED))
1895 return -ENOBUFS;
9bb7e0f2
JB		 1896
1897 nla_nest_end(msg, ftm);
1898 return 0;
1899}
1900
1901static int nl80211_send_pmsr_capa(struct cfg80211_registered_device *rdev,
1902 struct sk_buff *msg)
1903{
1904 const struct cfg80211_pmsr_capabilities *cap = rdev->wiphy.pmsr_capa;
1905 struct nlattr *pmsr, *caps;
1906
1907 if (!cap)
1908 return 0;
1909
1910 /*
1911 * we don't need to clean up anything here since the caller
1912 * will genlmsg_cancel() if we fail
1913 */
1914
ae0be8de 1915 pmsr = nla_nest_start_noflag(msg, NL80211_ATTR_PEER_MEASUREMENTS);
9bb7e0f2
JB		 1916 if (!pmsr)
1917 return -ENOBUFS;
1918
1919 if (nla_put_u32(msg, NL80211_PMSR_ATTR_MAX_PEERS, cap->max_peers))
1920 return -ENOBUFS;
1921
1922 if (cap->report_ap_tsf &&
1923 nla_put_flag(msg, NL80211_PMSR_ATTR_REPORT_AP_TSF))
1924 return -ENOBUFS;
1925
1926 if (cap->randomize_mac_addr &&
1927 nla_put_flag(msg, NL80211_PMSR_ATTR_RANDOMIZE_MAC_ADDR))
1928 return -ENOBUFS;
1929
ae0be8de 1930 caps = nla_nest_start_noflag(msg, NL80211_PMSR_ATTR_TYPE_CAPA);
9bb7e0f2
JB		 1931 if (!caps)
1932 return -ENOBUFS;
1933
1934 if (nl80211_send_pmsr_ftm_capa(cap, msg))
1935 return -ENOBUFS;
1936
1937 nla_nest_end(msg, caps);
1938 nla_nest_end(msg, pmsr);
1939
1940 return 0;
1941}
1942
d6039a34
VJ		 1943static int
1944nl80211_put_iftype_akm_suites(struct cfg80211_registered_device *rdev,
1945 struct sk_buff *msg)
1946{
1947 int i;
1948 struct nlattr *nested, *nested_akms;
1949 const struct wiphy_iftype_akm_suites *iftype_akms;
1950
1951 if (!rdev->wiphy.num_iftype_akm_suites ||
1952 !rdev->wiphy.iftype_akm_suites)
1953 return 0;
1954
1955 nested = nla_nest_start(msg, NL80211_ATTR_IFTYPE_AKM_SUITES);
1956 if (!nested)
1957 return -ENOBUFS;
1958
1959 for (i = 0; i < rdev->wiphy.num_iftype_akm_suites; i++) {
1960 nested_akms = nla_nest_start(msg, i + 1);
1961 if (!nested_akms)
1962 return -ENOBUFS;
1963
1964 iftype_akms = &rdev->wiphy.iftype_akm_suites[i];
1965
1966 if (nl80211_put_iftypes(msg, NL80211_IFTYPE_AKM_ATTR_IFTYPES,
1967 iftype_akms->iftypes_mask))
1968 return -ENOBUFS;
1969
1970 if (nla_put(msg, NL80211_IFTYPE_AKM_ATTR_SUITES,
1971 sizeof(u32) * iftype_akms->n_akm_suites,
1972 iftype_akms->akm_suites)) {
1973 return -ENOBUFS;
1974 }
1975 nla_nest_end(msg, nested_akms);
1976 }
1977
1978 nla_nest_end(msg, nested);
1979
1980 return 0;
1981}
1982
3710a8a6
JB		 1983static int
1984nl80211_put_tid_config_support(struct cfg80211_registered_device *rdev,
1985 struct sk_buff *msg)
1986{
1987 struct nlattr *supp;
1988
1989 if (!rdev->wiphy.tid_config_support.vif &&
1990 !rdev->wiphy.tid_config_support.peer)
1991 return 0;
1992
1993 supp = nla_nest_start(msg, NL80211_ATTR_TID_CONFIG);
1994 if (!supp)
1995 return -ENOSPC;
1996
1997 if (rdev->wiphy.tid_config_support.vif &&
1998 nla_put_u64_64bit(msg, NL80211_TID_CONFIG_ATTR_VIF_SUPP,
1999 rdev->wiphy.tid_config_support.vif,
2000 NL80211_TID_CONFIG_ATTR_PAD))
2001 goto fail;
2002
2003 if (rdev->wiphy.tid_config_support.peer &&
2004 nla_put_u64_64bit(msg, NL80211_TID_CONFIG_ATTR_PEER_SUPP,
2005 rdev->wiphy.tid_config_support.peer,
2006 NL80211_TID_CONFIG_ATTR_PAD))
2007 goto fail;
2008
6a21d16c
T		 2009 /* for now we just use the same value ... makes more sense */
2010 if (nla_put_u8(msg, NL80211_TID_CONFIG_ATTR_RETRY_SHORT,
2011 rdev->wiphy.tid_config_support.max_retry))
2012 goto fail;
2013 if (nla_put_u8(msg, NL80211_TID_CONFIG_ATTR_RETRY_LONG,
2014 rdev->wiphy.tid_config_support.max_retry))
2015 goto fail;
2016
3710a8a6
JB		 2017 nla_nest_end(msg, supp);
2018
2019 return 0;
2020fail:
2021 nla_nest_cancel(msg, supp);
2022 return -ENOBUFS;
2023}
2024
86e8cf98
JB		 2025struct nl80211_dump_wiphy_state {
2026 s64 filter_wiphy;
2027 long start;
019ae3a9 2028 long split_start, band_start, chan_start, capa_start;
86e8cf98
JB		 2029 bool split;
2030};
2031
1b8ec87a 2032static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev,
3bb20556 2033 enum nl80211_commands cmd,
3713b4e3 2034 struct sk_buff *msg, u32 portid, u32 seq,
86e8cf98 2035 int flags, struct nl80211_dump_wiphy_state *state)
3713b4e3
JB		 2036{
2037 void *hdr;
2038 struct nlattr *nl_bands, *nl_band;
2039 struct nlattr *nl_freqs, *nl_freq;
2040 struct nlattr *nl_cmds;
57fbcce3 2041 enum nl80211_band band;
3713b4e3
JB		 2042 struct ieee80211_channel *chan;
2043 int i;
2044 const struct ieee80211_txrx_stypes *mgmt_stypes =
1b8ec87a 2045 rdev->wiphy.mgmt_stypes;
fe1abafd 2046 u32 features;
ee688b00 2047
3bb20556 2048 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
3713b4e3
JB		 2049 if (!hdr)
2050 return -ENOBUFS;
ee688b00 2051
86e8cf98
JB		 2052 if (WARN_ON(!state))
2053 return -EINVAL;
ee688b00 2054
1b8ec87a 2055 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
3713b4e3 2056 nla_put_string(msg, NL80211_ATTR_WIPHY_NAME,
1b8ec87a 2057 wiphy_name(&rdev->wiphy)) ||
3713b4e3
JB		 2058 nla_put_u32(msg, NL80211_ATTR_GENERATION,
2059 cfg80211_rdev_list_generation))
8fdc621d
JB		 2060 goto nla_put_failure;
2061
3bb20556
JB		 2062 if (cmd != NL80211_CMD_NEW_WIPHY)
2063 goto finish;
2064
86e8cf98 2065 switch (state->split_start) {
3713b4e3
JB		 2066 case 0:
2067 if (nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT,
1b8ec87a 2068 rdev->wiphy.retry_short) ||
3713b4e3 2069 nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_LONG,
1b8ec87a 2070 rdev->wiphy.retry_long) ||
3713b4e3 2071 nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD,
1b8ec87a 2072 rdev->wiphy.frag_threshold) ||
3713b4e3 2073 nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD,
1b8ec87a 2074 rdev->wiphy.rts_threshold) ||
3713b4e3 2075 nla_put_u8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS,
1b8ec87a 2076 rdev->wiphy.coverage_class) ||
3713b4e3 2077 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS,
1b8ec87a 2078 rdev->wiphy.max_scan_ssids) ||
3713b4e3 2079 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS,
1b8ec87a 2080 rdev->wiphy.max_sched_scan_ssids) ||
3713b4e3 2081 nla_put_u16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN,
1b8ec87a 2082 rdev->wiphy.max_scan_ie_len) ||
3713b4e3 2083 nla_put_u16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN,
1b8ec87a 2084 rdev->wiphy.max_sched_scan_ie_len) ||
3713b4e3 2085 nla_put_u8(msg, NL80211_ATTR_MAX_MATCH_SETS,
3b06d277
AS		 2086 rdev->wiphy.max_match_sets) ||
2087 nla_put_u32(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS,
2088 rdev->wiphy.max_sched_scan_plans) ||
2089 nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL,
2090 rdev->wiphy.max_sched_scan_plan_interval) ||
2091 nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS,
2092 rdev->wiphy.max_sched_scan_plan_iterations))
9360ffd1 2093 goto nla_put_failure;
3713b4e3 2094
1b8ec87a 2095 if ((rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) &&
3713b4e3 2096 nla_put_flag(msg, NL80211_ATTR_SUPPORT_IBSS_RSN))
aa430da4 2097 goto nla_put_failure;
1b8ec87a 2098 if ((rdev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) &&
3713b4e3
JB		 2099 nla_put_flag(msg, NL80211_ATTR_SUPPORT_MESH_AUTH))
2100 goto nla_put_failure;
1b8ec87a 2101 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) &&
3713b4e3
JB		 2102 nla_put_flag(msg, NL80211_ATTR_SUPPORT_AP_UAPSD))
2103 goto nla_put_failure;
1b8ec87a 2104 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) &&
3713b4e3
JB		 2105 nla_put_flag(msg, NL80211_ATTR_ROAM_SUPPORT))
2106 goto nla_put_failure;
1b8ec87a 2107 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) &&
3713b4e3
JB		 2108 nla_put_flag(msg, NL80211_ATTR_TDLS_SUPPORT))
2109 goto nla_put_failure;
1b8ec87a 2110 if ((rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) &&
3713b4e3 2111 nla_put_flag(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP))
9360ffd1 2112 goto nla_put_failure;
86e8cf98
JB		 2113 state->split_start++;
2114 if (state->split)
3713b4e3 2115 break;
925b5978 2116 /* fall through */
3713b4e3
JB		 2117 case 1:
2118 if (nla_put(msg, NL80211_ATTR_CIPHER_SUITES,
1b8ec87a
ZG		 2119 sizeof(u32) * rdev->wiphy.n_cipher_suites,
2120 rdev->wiphy.cipher_suites))
3713b4e3 2121 goto nla_put_failure;
4745fc09 2122
3713b4e3 2123 if (nla_put_u8(msg, NL80211_ATTR_MAX_NUM_PMKIDS,
1b8ec87a 2124 rdev->wiphy.max_num_pmkids))
3713b4e3 2125 goto nla_put_failure;
b23aa676 2126
1b8ec87a 2127 if ((rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
3713b4e3 2128 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE))
9360ffd1 2129 goto nla_put_failure;
b23aa676 2130
3713b4e3 2131 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX,
1b8ec87a 2132 rdev->wiphy.available_antennas_tx) ||
3713b4e3 2133 nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX,
1b8ec87a 2134 rdev->wiphy.available_antennas_rx))
9360ffd1 2135 goto nla_put_failure;
b23aa676 2136
1b8ec87a 2137 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) &&
3713b4e3 2138 nla_put_u32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD,
1b8ec87a 2139 rdev->wiphy.probe_resp_offload))
3713b4e3 2140 goto nla_put_failure;
8fdc621d 2141
1b8ec87a
ZG		 2142 if ((rdev->wiphy.available_antennas_tx ||
2143 rdev->wiphy.available_antennas_rx) &&
2144 rdev->ops->get_antenna) {
3713b4e3
JB		 2145 u32 tx_ant = 0, rx_ant = 0;
2146 int res;
7a087e74 2147
1b8ec87a 2148 res = rdev_get_antenna(rdev, &tx_ant, &rx_ant);
3713b4e3
JB		 2149 if (!res) {
2150 if (nla_put_u32(msg,
2151 NL80211_ATTR_WIPHY_ANTENNA_TX,
2152 tx_ant) ||
2153 nla_put_u32(msg,
2154 NL80211_ATTR_WIPHY_ANTENNA_RX,
2155 rx_ant))
2156 goto nla_put_failure;
2157 }
2158 }
a293911d 2159
86e8cf98
JB		 2160 state->split_start++;
2161 if (state->split)
3713b4e3 2162 break;
925b5978 2163 /* fall through */
3713b4e3
JB		 2164 case 2:
2165 if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES,
1b8ec87a 2166 rdev->wiphy.interface_modes))
3713b4e3 2167 goto nla_put_failure;
86e8cf98
JB		 2168 state->split_start++;
2169 if (state->split)
3713b4e3 2170 break;
925b5978 2171 /* fall through */
3713b4e3 2172 case 3:
ae0be8de
MK		 2173 nl_bands = nla_nest_start_noflag(msg,
2174 NL80211_ATTR_WIPHY_BANDS);
3713b4e3
JB		 2175 if (!nl_bands)
2176 goto nla_put_failure;
f7ca38df 2177
86e8cf98 2178 for (band = state->band_start;
57fbcce3 2179 band < NUM_NL80211_BANDS; band++) {
3713b4e3 2180 struct ieee80211_supported_band *sband;
2e161f78 2181
1b8ec87a 2182 sband = rdev->wiphy.bands[band];
2e161f78 2183
3713b4e3
JB		 2184 if (!sband)
2185 continue;
2186
ae0be8de 2187 nl_band = nla_nest_start_noflag(msg, band);
3713b4e3 2188 if (!nl_band)
2e161f78 2189 goto nla_put_failure;
3713b4e3 2190
86e8cf98 2191 switch (state->chan_start) {
3713b4e3
JB		 2192 case 0:
2193 if (nl80211_send_band_rateinfo(msg, sband))
9360ffd1 2194 goto nla_put_failure;
86e8cf98
JB		 2195 state->chan_start++;
2196 if (state->split)
3713b4e3 2197 break;
925b5978 2198 /* fall through */
3713b4e3
JB		 2199 default:
2200 /* add frequencies */
ae0be8de
MK		 2201 nl_freqs = nla_nest_start_noflag(msg,
2202 NL80211_BAND_ATTR_FREQS);
3713b4e3
JB		 2203 if (!nl_freqs)
2204 goto nla_put_failure;
2205
86e8cf98 2206 for (i = state->chan_start - 1;
3713b4e3
JB		 2207 i < sband->n_channels;
2208 i++) {
ae0be8de
MK		 2209 nl_freq = nla_nest_start_noflag(msg,
2210 i);
3713b4e3
JB		 2211 if (!nl_freq)
2212 goto nla_put_failure;
2213
2214 chan = &sband->channels[i];
2215
86e8cf98 2216 if (nl80211_msg_put_channel(
50f32718 2217 msg, &rdev->wiphy, chan,
86e8cf98 2218 state->split))
3713b4e3
JB		 2219 goto nla_put_failure;
2220
2221 nla_nest_end(msg, nl_freq);
86e8cf98 2222 if (state->split)
3713b4e3
JB		 2223 break;
2224 }
2225 if (i < sband->n_channels)
86e8cf98 2226 state->chan_start = i + 2;
3713b4e3 2227 else
86e8cf98 2228 state->chan_start = 0;
3713b4e3
JB		 2229 nla_nest_end(msg, nl_freqs);
2230 }
2231
2232 nla_nest_end(msg, nl_band);
2233
86e8cf98 2234 if (state->split) {
3713b4e3 2235 /* start again here */
86e8cf98 2236 if (state->chan_start)
3713b4e3
JB		 2237 band--;
2238 break;
2e161f78 2239 }
2e161f78 2240 }
3713b4e3 2241 nla_nest_end(msg, nl_bands);
2e161f78 2242
57fbcce3 2243 if (band < NUM_NL80211_BANDS)
86e8cf98 2244 state->band_start = band + 1;
3713b4e3 2245 else
86e8cf98 2246 state->band_start = 0;
74b70a4e 2247
3713b4e3 2248 /* if bands & channels are done, continue outside */
86e8cf98
JB		 2249 if (state->band_start == 0 && state->chan_start == 0)
2250 state->split_start++;
2251 if (state->split)
3713b4e3 2252 break;
925b5978 2253 /* fall through */
3713b4e3 2254 case 4:
ae0be8de
MK		 2255 nl_cmds = nla_nest_start_noflag(msg,
2256 NL80211_ATTR_SUPPORTED_COMMANDS);
3713b4e3 2257 if (!nl_cmds)
2e161f78
JB		 2258 goto nla_put_failure;
2259
1794899e
JB		 2260 i = nl80211_add_commands_unsplit(rdev, msg);
2261 if (i < 0)
2262 goto nla_put_failure;
86e8cf98 2263 if (state->split) {
5de17984
AS		 2264 CMD(crit_proto_start, CRIT_PROTOCOL_START);
2265 CMD(crit_proto_stop, CRIT_PROTOCOL_STOP);
1b8ec87a 2266 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH)
16ef1fe2 2267 CMD(channel_switch, CHANNEL_SWITCH);
02df00eb 2268 CMD(set_qos_map, SET_QOS_MAP);
723e73ac
JB		 2269 if (rdev->wiphy.features &
2270 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION)
960d01ac 2271 CMD(add_tx_ts, ADD_TX_TS);
ce0ce13a 2272 CMD(set_multicast_to_unicast, SET_MULTICAST_TO_UNICAST);
088e8df8 2273 CMD(update_connect_params, UPDATE_CONNECT_PARAMS);
7010998c 2274 CMD(update_ft_ies, UPDATE_FT_IES);
5de17984 2275 }
3713b4e3 2276#undef CMD
ff1b6e69 2277
3713b4e3 2278 nla_nest_end(msg, nl_cmds);
86e8cf98
JB		 2279 state->split_start++;
2280 if (state->split)
3713b4e3 2281 break;
925b5978 2282 /* fall through */
3713b4e3 2283 case 5:
1b8ec87a
ZG		 2284 if (rdev->ops->remain_on_channel &&
2285 (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) &&
3713b4e3
JB		 2286 nla_put_u32(msg,
2287 NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION,
1b8ec87a 2288 rdev->wiphy.max_remain_on_channel_duration))
3713b4e3
JB		 2289 goto nla_put_failure;
2290
1b8ec87a 2291 if ((rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) &&
3713b4e3
JB		 2292 nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK))
2293 goto nla_put_failure;
2294
2295 if (nl80211_send_mgmt_stypes(msg, mgmt_stypes))
2296 goto nla_put_failure;
86e8cf98
JB		 2297 state->split_start++;
2298 if (state->split)
3713b4e3 2299 break;
925b5978 2300 /* fall through */
3713b4e3
JB		 2301 case 6:
2302#ifdef CONFIG_PM
1b8ec87a 2303 if (nl80211_send_wowlan(msg, rdev, state->split))
3713b4e3 2304 goto nla_put_failure;
86e8cf98
JB		 2305 state->split_start++;
2306 if (state->split)
3713b4e3
JB		 2307 break;
2308#else
86e8cf98 2309 state->split_start++;
dfb89c56 2310#endif
925b5978 2311 /* fall through */
3713b4e3
JB		 2312 case 7:
2313 if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES,
1b8ec87a 2314 rdev->wiphy.software_iftypes))
3713b4e3 2315 goto nla_put_failure;
ff1b6e69 2316
1b8ec87a 2317 if (nl80211_put_iface_combinations(&rdev->wiphy, msg,
86e8cf98 2318 state->split))
3713b4e3 2319 goto nla_put_failure;
7527a782 2320
86e8cf98
JB		 2321 state->split_start++;
2322 if (state->split)
3713b4e3 2323 break;
925b5978 2324 /* fall through */
3713b4e3 2325 case 8:
1b8ec87a 2326 if ((rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) &&
3713b4e3 2327 nla_put_u32(msg, NL80211_ATTR_DEVICE_AP_SME,
1b8ec87a 2328 rdev->wiphy.ap_sme_capa))
3713b4e3 2329 goto nla_put_failure;
7527a782 2330
1b8ec87a 2331 features = rdev->wiphy.features;
fe1abafd
JB		 2332 /*
2333 * We can only add the per-channel limit information if the
2334 * dump is split, otherwise it makes it too big. Therefore
2335 * only advertise it in that case.
2336 */
86e8cf98 2337 if (state->split)
fe1abafd
JB		 2338 features |= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS;
2339 if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS, features))
3713b4e3 2340 goto nla_put_failure;
562a7480 2341
1b8ec87a 2342 if (rdev->wiphy.ht_capa_mod_mask &&
3713b4e3 2343 nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK,
1b8ec87a
ZG		 2344 sizeof(*rdev->wiphy.ht_capa_mod_mask),
2345 rdev->wiphy.ht_capa_mod_mask))
3713b4e3 2346 goto nla_put_failure;
1f074bd8 2347
1b8ec87a
ZG		 2348 if (rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME &&
2349 rdev->wiphy.max_acl_mac_addrs &&
3713b4e3 2350 nla_put_u32(msg, NL80211_ATTR_MAC_ACL_MAX,
1b8ec87a 2351 rdev->wiphy.max_acl_mac_addrs))
3713b4e3 2352 goto nla_put_failure;
7e7c8926 2353
3713b4e3
JB		 2354 /*
2355 * Any information below this point is only available to
2356 * applications that can deal with it being split. This
2357 * helps ensure that newly added capabilities don't break
2358 * older tools by overrunning their buffers.
2359 *
2360 * We still increment split_start so that in the split
2361 * case we'll continue with more data in the next round,
2362 * but break unconditionally so unsplit data stops here.
2363 */
86e8cf98 2364 state->split_start++;
3713b4e3
JB		 2365 break;
2366 case 9:
1b8ec87a 2367 if (rdev->wiphy.extended_capabilities &&
fe1abafd 2368 (nla_put(msg, NL80211_ATTR_EXT_CAPA,
1b8ec87a
ZG		 2369 rdev->wiphy.extended_capabilities_len,
2370 rdev->wiphy.extended_capabilities) ||
fe1abafd 2371 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
1b8ec87a
ZG		 2372 rdev->wiphy.extended_capabilities_len,
2373 rdev->wiphy.extended_capabilities_mask)))
fe1abafd 2374 goto nla_put_failure;
a50df0c4 2375
1b8ec87a 2376 if (rdev->wiphy.vht_capa_mod_mask &&
ee2aca34 2377 nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK,
1b8ec87a
ZG		 2378 sizeof(*rdev->wiphy.vht_capa_mod_mask),
2379 rdev->wiphy.vht_capa_mod_mask))
ee2aca34
JB		 2380 goto nla_put_failure;
2381
ae6fa4d5
DK		 2382 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN,
2383 rdev->wiphy.perm_addr))
2384 goto nla_put_failure;
2385
2386 if (!is_zero_ether_addr(rdev->wiphy.addr_mask) &&
2387 nla_put(msg, NL80211_ATTR_MAC_MASK, ETH_ALEN,
2388 rdev->wiphy.addr_mask))
2389 goto nla_put_failure;
2390
2391 if (rdev->wiphy.n_addresses > 1) {
2392 void *attr;
2393
2394 attr = nla_nest_start(msg, NL80211_ATTR_MAC_ADDRS);
2395 if (!attr)
2396 goto nla_put_failure;
2397
2398 for (i = 0; i < rdev->wiphy.n_addresses; i++)
2399 if (nla_put(msg, i + 1, ETH_ALEN,
2400 rdev->wiphy.addresses[i].addr))
2401 goto nla_put_failure;
2402
2403 nla_nest_end(msg, attr);
2404 }
2405
be29b99a
AK		 2406 state->split_start++;
2407 break;
2408 case 10:
1b8ec87a 2409 if (nl80211_send_coalesce(msg, rdev))
be29b99a
AK		 2410 goto nla_put_failure;
2411
1b8ec87a 2412 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ) &&
01e0daa4
FF		 2413 (nla_put_flag(msg, NL80211_ATTR_SUPPORT_5_MHZ) ||
2414 nla_put_flag(msg, NL80211_ATTR_SUPPORT_10_MHZ)))
2415 goto nla_put_failure;
b43504cf 2416
1b8ec87a 2417 if (rdev->wiphy.max_ap_assoc_sta &&
b43504cf 2418 nla_put_u32(msg, NL80211_ATTR_MAX_AP_ASSOC_STA,
1b8ec87a 2419 rdev->wiphy.max_ap_assoc_sta))
b43504cf
JM		 2420 goto nla_put_failure;
2421
ad7e718c
JB		 2422 state->split_start++;
2423 break;
2424 case 11:
1b8ec87a 2425 if (rdev->wiphy.n_vendor_commands) {
567ffc35
JB		 2426 const struct nl80211_vendor_cmd_info *info;
2427 struct nlattr *nested;
2428
ae0be8de
MK		 2429 nested = nla_nest_start_noflag(msg,
2430 NL80211_ATTR_VENDOR_DATA);
567ffc35
JB		 2431 if (!nested)
2432 goto nla_put_failure;
2433
1b8ec87a
ZG		 2434 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
2435 info = &rdev->wiphy.vendor_commands[i].info;
567ffc35
JB		 2436 if (nla_put(msg, i + 1, sizeof(*info), info))
2437 goto nla_put_failure;
2438 }
2439 nla_nest_end(msg, nested);
2440 }
2441
1b8ec87a 2442 if (rdev->wiphy.n_vendor_events) {
567ffc35
JB		 2443 const struct nl80211_vendor_cmd_info *info;
2444 struct nlattr *nested;
ad7e718c 2445
ae0be8de
MK		 2446 nested = nla_nest_start_noflag(msg,
2447 NL80211_ATTR_VENDOR_EVENTS);
567ffc35 2448 if (!nested)
ad7e718c 2449 goto nla_put_failure;
567ffc35 2450
1b8ec87a
ZG		 2451 for (i = 0; i < rdev->wiphy.n_vendor_events; i++) {
2452 info = &rdev->wiphy.vendor_events[i];
567ffc35
JB		 2453 if (nla_put(msg, i + 1, sizeof(*info), info))
2454 goto nla_put_failure;
2455 }
2456 nla_nest_end(msg, nested);
2457 }
9a774c78
AO		 2458 state->split_start++;
2459 break;
2460 case 12:
2461 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH &&
2462 nla_put_u8(msg, NL80211_ATTR_MAX_CSA_COUNTERS,
2463 rdev->wiphy.max_num_csa_counters))
2464 goto nla_put_failure;
01e0daa4 2465
1bdd716c
AN		 2466 if (rdev->wiphy.regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
2467 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
2468 goto nla_put_failure;
2469
ca986ad9
AVS		 2470 if (rdev->wiphy.max_sched_scan_reqs &&
2471 nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_MAX_REQS,
2472 rdev->wiphy.max_sched_scan_reqs))
2473 goto nla_put_failure;
2474
d75bb06b
GKS		 2475 if (nla_put(msg, NL80211_ATTR_EXT_FEATURES,
2476 sizeof(rdev->wiphy.ext_features),
2477 rdev->wiphy.ext_features))
2478 goto nla_put_failure;
2479
38de03d2
AS		 2480 if (rdev->wiphy.bss_select_support) {
2481 struct nlattr *nested;
2482 u32 bss_select_support = rdev->wiphy.bss_select_support;
2483
ae0be8de
MK		 2484 nested = nla_nest_start_noflag(msg,
2485 NL80211_ATTR_BSS_SELECT);
38de03d2
AS		 2486 if (!nested)
2487 goto nla_put_failure;
2488
2489 i = 0;
2490 while (bss_select_support) {
2491 if ((bss_select_support & 1) &&
2492 nla_put_flag(msg, i))
2493 goto nla_put_failure;
2494 i++;
2495 bss_select_support >>= 1;
2496 }
2497 nla_nest_end(msg, nested);
2498 }
2499
019ae3a9
KV		 2500 state->split_start++;
2501 break;
2502 case 13:
2503 if (rdev->wiphy.num_iftype_ext_capab &&
2504 rdev->wiphy.iftype_ext_capab) {
2505 struct nlattr *nested_ext_capab, *nested;
2506
ae0be8de
MK		 2507 nested = nla_nest_start_noflag(msg,
2508 NL80211_ATTR_IFTYPE_EXT_CAPA);
019ae3a9
KV		 2509 if (!nested)
2510 goto nla_put_failure;
2511
2512 for (i = state->capa_start;
2513 i < rdev->wiphy.num_iftype_ext_capab; i++) {
2514 const struct wiphy_iftype_ext_capab *capab;
2515
2516 capab = &rdev->wiphy.iftype_ext_capab[i];
2517
ae0be8de
MK		 2518 nested_ext_capab = nla_nest_start_noflag(msg,
2519 i);
019ae3a9
KV		 2520 if (!nested_ext_capab ||
2521 nla_put_u32(msg, NL80211_ATTR_IFTYPE,
2522 capab->iftype) ||
2523 nla_put(msg, NL80211_ATTR_EXT_CAPA,
2524 capab->extended_capabilities_len,
2525 capab->extended_capabilities) ||
2526 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
2527 capab->extended_capabilities_len,
2528 capab->extended_capabilities_mask))
2529 goto nla_put_failure;
2530
2531 nla_nest_end(msg, nested_ext_capab);
2532 if (state->split)
2533 break;
2534 }
2535 nla_nest_end(msg, nested);
2536 if (i < rdev->wiphy.num_iftype_ext_capab) {
2537 state->capa_start = i + 1;
2538 break;
2539 }
2540 }
2541
8585989d
LC		 2542 if (nla_put_u32(msg, NL80211_ATTR_BANDS,
2543 rdev->wiphy.nan_supported_bands))
2544 goto nla_put_failure;
2545
52539ca8
THJ		 2546 if (wiphy_ext_feature_isset(&rdev->wiphy,
2547 NL80211_EXT_FEATURE_TXQS)) {
2548 struct cfg80211_txq_stats txqstats = {};
2549 int res;
2550
2551 res = rdev_get_txq_stats(rdev, NULL, &txqstats);
2552 if (!res &&
2553 !nl80211_put_txq_stats(msg, &txqstats,
2554 NL80211_ATTR_TXQ_STATS))
2555 goto nla_put_failure;
2556
2557 if (nla_put_u32(msg, NL80211_ATTR_TXQ_LIMIT,
2558 rdev->wiphy.txq_limit))
2559 goto nla_put_failure;
2560 if (nla_put_u32(msg, NL80211_ATTR_TXQ_MEMORY_LIMIT,
2561 rdev->wiphy.txq_memory_limit))
2562 goto nla_put_failure;
2563 if (nla_put_u32(msg, NL80211_ATTR_TXQ_QUANTUM,
2564 rdev->wiphy.txq_quantum))
2565 goto nla_put_failure;
2566 }
2567
9bb7e0f2
JB		 2568 state->split_start++;
2569 break;
2570 case 14:
2571 if (nl80211_send_pmsr_capa(rdev, msg))
2572 goto nla_put_failure;
2573
ab4dfa20
VJ		 2574 state->split_start++;
2575 break;
2576 case 15:
2577 if (rdev->wiphy.akm_suites &&
2578 nla_put(msg, NL80211_ATTR_AKM_SUITES,
2579 sizeof(u32) * rdev->wiphy.n_akm_suites,
2580 rdev->wiphy.akm_suites))
2581 goto nla_put_failure;
2582
d6039a34
VJ		 2583 if (nl80211_put_iftype_akm_suites(rdev, msg))
2584 goto nla_put_failure;
2585
3710a8a6
JB		 2586 if (nl80211_put_tid_config_support(rdev, msg))
2587 goto nla_put_failure;
2588
3713b4e3 2589 /* done */
86e8cf98 2590 state->split_start = 0;
3713b4e3
JB		 2591 break;
2592 }
3bb20556 2593 finish:
053c095a
JB		 2594 genlmsg_end(msg, hdr);
2595 return 0;
55682965
JB		 2596
2597 nla_put_failure:
bc3ed28c
TG		 2598 genlmsg_cancel(msg, hdr);
2599 return -EMSGSIZE;
55682965
JB		 2600}
2601
86e8cf98
JB		 2602static int nl80211_dump_wiphy_parse(struct sk_buff *skb,
2603 struct netlink_callback *cb,
2604 struct nl80211_dump_wiphy_state *state)
2605{
50508d94
JB		 2606 struct nlattr **tb = kcalloc(NUM_NL80211_ATTR, sizeof(*tb), GFP_KERNEL);
2607 int ret;
2608
2609 if (!tb)
2610 return -ENOMEM;
2611
2612 ret = nlmsg_parse_deprecated(cb->nlh,
2613 GENL_HDRLEN + nl80211_fam.hdrsize,
2614 tb, nl80211_fam.maxattr,
2615 nl80211_policy, NULL);
86e8cf98 2616 /* ignore parse errors for backward compatibility */
50508d94
JB		 2617 if (ret) {
2618 ret = 0;
2619 goto out;
2620 }
86e8cf98
JB		 2621
2622 state->split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP];
2623 if (tb[NL80211_ATTR_WIPHY])
2624 state->filter_wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
2625 if (tb[NL80211_ATTR_WDEV])
2626 state->filter_wiphy = nla_get_u64(tb[NL80211_ATTR_WDEV]) >> 32;
2627 if (tb[NL80211_ATTR_IFINDEX]) {
2628 struct net_device *netdev;
2629 struct cfg80211_registered_device *rdev;
2630 int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
2631
7f2b8562 2632 netdev = __dev_get_by_index(sock_net(skb->sk), ifidx);
50508d94
JB		 2633 if (!netdev) {
2634 ret = -ENODEV;
2635 goto out;
2636 }
86e8cf98 2637 if (netdev->ieee80211_ptr) {
f26cbf40 2638 rdev = wiphy_to_rdev(
86e8cf98
JB		 2639 netdev->ieee80211_ptr->wiphy);
2640 state->filter_wiphy = rdev->wiphy_idx;
2641 }
86e8cf98
JB		 2642 }
2643
50508d94
JB		 2644 ret = 0;
2645out:
2646 kfree(tb);
2647 return ret;
86e8cf98
JB		 2648}
2649
55682965
JB		 2650static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
2651{
645e77de 2652 int idx = 0, ret;
86e8cf98 2653 struct nl80211_dump_wiphy_state *state = (void *)cb->args[0];
1b8ec87a 2654 struct cfg80211_registered_device *rdev;
3a5a423b 2655
5fe231e8 2656 rtnl_lock();
86e8cf98
JB		 2657 if (!state) {
2658 state = kzalloc(sizeof(*state), GFP_KERNEL);
57ed5cd6
JL		 2659 if (!state) {
2660 rtnl_unlock();
86e8cf98 2661 return -ENOMEM;
3713b4e3 2662 }
86e8cf98
JB		 2663 state->filter_wiphy = -1;
2664 ret = nl80211_dump_wiphy_parse(skb, cb, state);
2665 if (ret) {
2666 kfree(state);
2667 rtnl_unlock();
2668 return ret;
3713b4e3 2669 }
86e8cf98 2670 cb->args[0] = (long)state;
3713b4e3
JB		 2671 }
2672
1b8ec87a
ZG		 2673 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
2674 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
463d0183 2675 continue;
86e8cf98 2676 if (++idx <= state->start)
55682965 2677 continue;
86e8cf98 2678 if (state->filter_wiphy != -1 &&
1b8ec87a 2679 state->filter_wiphy != rdev->wiphy_idx)
3713b4e3
JB		 2680 continue;
2681 /* attempt to fit multiple wiphy data chunks into the skb */
2682 do {
3bb20556
JB		 2683 ret = nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY,
2684 skb,
3713b4e3
JB		 2685 NETLINK_CB(cb->skb).portid,
2686 cb->nlh->nlmsg_seq,
86e8cf98 2687 NLM_F_MULTI, state);
3713b4e3
JB		 2688 if (ret < 0) {
2689 /*
2690 * If sending the wiphy data didn't fit (ENOBUFS
2691 * or EMSGSIZE returned), this SKB is still
2692 * empty (so it's not too big because another
2693 * wiphy dataset is already in the skb) and
2694 * we've not tried to adjust the dump allocation
2695 * yet ... then adjust the alloc size to be
2696 * bigger, and return 1 but with the empty skb.
2697 * This results in an empty message being RX'ed
2698 * in userspace, but that is ignored.
2699 *
2700 * We can then retry with the larger buffer.
2701 */
2702 if ((ret == -ENOBUFS || ret == -EMSGSIZE) &&
f12cb289 2703 !skb->len && !state->split &&
3713b4e3
JB		 2704 cb->min_dump_alloc < 4096) {
2705 cb->min_dump_alloc = 4096;
f12cb289 2706 state->split_start = 0;
d98cae64 2707 rtnl_unlock();
3713b4e3
JB		 2708 return 1;
2709 }
2710 idx--;
2711 break;
645e77de 2712 }
86e8cf98 2713 } while (state->split_start > 0);
3713b4e3 2714 break;
55682965 2715 }
5fe231e8 2716 rtnl_unlock();
55682965 2717
86e8cf98 2718 state->start = idx;
55682965
JB		 2719
2720 return skb->len;
2721}
2722
86e8cf98
JB		 2723static int nl80211_dump_wiphy_done(struct netlink_callback *cb)
2724{
2725 kfree((void *)cb->args[0]);
2726 return 0;
2727}
2728
55682965
JB		 2729static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info)
2730{
2731 struct sk_buff *msg;
1b8ec87a 2732 struct cfg80211_registered_device *rdev = info->user_ptr[0];
86e8cf98 2733 struct nl80211_dump_wiphy_state state = {};
55682965 2734
645e77de 2735 msg = nlmsg_new(4096, GFP_KERNEL);
55682965 2736 if (!msg)
4c476991 2737 return -ENOMEM;
55682965 2738
3bb20556
JB		 2739 if (nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY, msg,
2740 info->snd_portid, info->snd_seq, 0,
86e8cf98 2741 &state) < 0) {
4c476991
JB		 2742 nlmsg_free(msg);
2743 return -ENOBUFS;
2744 }
55682965 2745
134e6375 2746 return genlmsg_reply(msg, info);
55682965
JB		 2747}
2748
31888487
JM		 2749static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = {
2750 [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 },
2751 [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 },
2752 [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 },
2753 [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 },
2754 [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 },
2755};
2756
2757static int parse_txq_params(struct nlattr *tb[],
2758 struct ieee80211_txq_params *txq_params)
2759{
259d8c1e
DW		 2760 u8 ac;
2761
a3304b0a 2762 if (!tb[NL80211_TXQ_ATTR_AC] || !tb[NL80211_TXQ_ATTR_TXOP] ||
31888487
JM		 2763 !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] ||
2764 !tb[NL80211_TXQ_ATTR_AIFS])
2765 return -EINVAL;
2766
259d8c1e 2767 ac = nla_get_u8(tb[NL80211_TXQ_ATTR_AC]);
31888487
JM		 2768 txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]);
2769 txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]);
2770 txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]);
2771 txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]);
2772
259d8c1e 2773 if (ac >= NL80211_NUM_ACS)
a3304b0a 2774 return -EINVAL;
259d8c1e 2775 txq_params->ac = array_index_nospec(ac, NL80211_NUM_ACS);
31888487
JM		 2776 return 0;
2777}
2778
f444de05
JB		 2779static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev)
2780{
2781 /*
cc1d2806
JB		 2782 * You can only set the channel explicitly for WDS interfaces,
2783 * all others have their channel managed via their respective
2784 * "establish a connection" command (connect, join, ...)
2785 *
2786 * For AP/GO and mesh mode, the channel can be set with the
2787 * channel userspace API, but is only stored and passed to the
2788 * low-level driver when the AP starts or the mesh is joined.
2789 * This is for backward compatibility, userspace can also give
2790 * the channel in the start-ap or join-mesh commands instead.
f444de05
JB		 2791 *
2792 * Monitors are special as they are normally slaved to
e8c9bd5b
JB		 2793 * whatever else is going on, so they have their own special
2794 * operation to set the monitor channel if possible.
f444de05
JB		 2795 */
2796 return !wdev ||
2797 wdev->iftype == NL80211_IFTYPE_AP ||
f444de05 2798 wdev->iftype == NL80211_IFTYPE_MESH_POINT ||
074ac8df
JB		 2799 wdev->iftype == NL80211_IFTYPE_MONITOR ||
2800 wdev->iftype == NL80211_IFTYPE_P2P_GO;
f444de05
JB		 2801}
2802
9bb7e0f2
JB		 2803int nl80211_parse_chandef(struct cfg80211_registered_device *rdev,
2804 struct genl_info *info,
2805 struct cfg80211_chan_def *chandef)
683b6d3b 2806{
49f9cf0e
JB		 2807 struct netlink_ext_ack *extack = info->extack;
2808 struct nlattr **attrs = info->attrs;
dbeca2ea 2809 u32 control_freq;
683b6d3b 2810
49f9cf0e 2811 if (!attrs[NL80211_ATTR_WIPHY_FREQ])
683b6d3b
JB		 2812 return -EINVAL;
2813
49f9cf0e 2814 control_freq = nla_get_u32(attrs[NL80211_ATTR_WIPHY_FREQ]);
683b6d3b 2815
f43e5210
JB		 2816 memset(chandef, 0, sizeof(*chandef));
2817
683b6d3b 2818 chandef->chan = ieee80211_get_channel(&rdev->wiphy, control_freq);
3d9d1d66
JB		 2819 chandef->width = NL80211_CHAN_WIDTH_20_NOHT;
2820 chandef->center_freq1 = control_freq;
2821 chandef->center_freq2 = 0;
683b6d3b
JB		 2822
2823 /* Primary channel not allowed */
49f9cf0e
JB		 2824 if (!chandef->chan || chandef->chan->flags & IEEE80211_CHAN_DISABLED) {
2825 NL_SET_ERR_MSG_ATTR(extack, attrs[NL80211_ATTR_WIPHY_FREQ],
2826 "Channel is disabled");
683b6d3b 2827 return -EINVAL;
49f9cf0e 2828 }
683b6d3b 2829
49f9cf0e 2830 if (attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
3d9d1d66
JB		 2831 enum nl80211_channel_type chantype;
2832
49f9cf0e 2833 chantype = nla_get_u32(attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
3d9d1d66
JB		 2834
2835 switch (chantype) {
2836 case NL80211_CHAN_NO_HT:
2837 case NL80211_CHAN_HT20:
2838 case NL80211_CHAN_HT40PLUS:
2839 case NL80211_CHAN_HT40MINUS:
2840 cfg80211_chandef_create(chandef, chandef->chan,
2841 chantype);
ffa4629e 2842 /* user input for center_freq is incorrect */
49f9cf0e
JB		 2843 if (attrs[NL80211_ATTR_CENTER_FREQ1] &&
2844 chandef->center_freq1 != nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ1])) {
2845 NL_SET_ERR_MSG_ATTR(extack,
2846 attrs[NL80211_ATTR_CENTER_FREQ1],
2847 "bad center frequency 1");
ffa4629e 2848 return -EINVAL;
49f9cf0e 2849 }
ffa4629e 2850 /* center_freq2 must be zero */
49f9cf0e
JB		 2851 if (attrs[NL80211_ATTR_CENTER_FREQ2] &&
2852 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ2])) {
2853 NL_SET_ERR_MSG_ATTR(extack,
2854 attrs[NL80211_ATTR_CENTER_FREQ2],
2855 "center frequency 2 can't be used");
ffa4629e 2856 return -EINVAL;
49f9cf0e 2857 }
3d9d1d66
JB		 2858 break;
2859 default:
49f9cf0e
JB		 2860 NL_SET_ERR_MSG_ATTR(extack,
2861 attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE],
2862 "invalid channel type");
3d9d1d66
JB		 2863 return -EINVAL;
2864 }
49f9cf0e 2865 } else if (attrs[NL80211_ATTR_CHANNEL_WIDTH]) {
3d9d1d66 2866 chandef->width =
49f9cf0e
JB		 2867 nla_get_u32(attrs[NL80211_ATTR_CHANNEL_WIDTH]);
2868 if (attrs[NL80211_ATTR_CENTER_FREQ1])
3d9d1d66 2869 chandef->center_freq1 =
49f9cf0e
JB		 2870 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ1]);
2871 if (attrs[NL80211_ATTR_CENTER_FREQ2])
3d9d1d66 2872 chandef->center_freq2 =
49f9cf0e 2873 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ2]);
3d9d1d66
JB		 2874 }
2875
2a38075c
AAL		 2876 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]) {
2877 chandef->edmg.channels =
2878 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]);
2879
2880 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG])
2881 chandef->edmg.bw_config =
2882 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG]);
2883 } else {
2884 chandef->edmg.bw_config = 0;
2885 chandef->edmg.channels = 0;
2886 }
2887
49f9cf0e
JB		 2888 if (!cfg80211_chandef_valid(chandef)) {
2889 NL_SET_ERR_MSG(extack, "invalid channel definition");
3d9d1d66 2890 return -EINVAL;
49f9cf0e 2891 }
3d9d1d66 2892
9f5e8f6e 2893 if (!cfg80211_chandef_usable(&rdev->wiphy, chandef,
49f9cf0e
JB		 2894 IEEE80211_CHAN_DISABLED)) {
2895 NL_SET_ERR_MSG(extack, "(extension) channel is disabled");
3d9d1d66 2896 return -EINVAL;
49f9cf0e 2897 }
3d9d1d66 2898
2f301ab2
SW		 2899 if ((chandef->width == NL80211_CHAN_WIDTH_5 ||
2900 chandef->width == NL80211_CHAN_WIDTH_10) &&
49f9cf0e
JB		 2901 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ)) {
2902 NL_SET_ERR_MSG(extack, "5/10 MHz not supported");
2f301ab2 2903 return -EINVAL;
49f9cf0e 2904 }
2f301ab2 2905
683b6d3b
JB		 2906 return 0;
2907}
2908
f444de05 2909static int __nl80211_set_channel(struct cfg80211_registered_device *rdev,
e16821bc 2910 struct net_device *dev,
f444de05
JB		 2911 struct genl_info *info)
2912{
683b6d3b 2913 struct cfg80211_chan_def chandef;
f444de05 2914 int result;
e8c9bd5b 2915 enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR;
e16821bc 2916 struct wireless_dev *wdev = NULL;
e8c9bd5b 2917
e16821bc
JM		 2918 if (dev)
2919 wdev = dev->ieee80211_ptr;
f444de05
JB		 2920 if (!nl80211_can_set_dev_channel(wdev))
2921 return -EOPNOTSUPP;
e16821bc
JM		 2922 if (wdev)
2923 iftype = wdev->iftype;
f444de05 2924
683b6d3b
JB		 2925 result = nl80211_parse_chandef(rdev, info, &chandef);
2926 if (result)
2927 return result;
f444de05 2928
e8c9bd5b 2929 switch (iftype) {
aa430da4
JB		 2930 case NL80211_IFTYPE_AP:
2931 case NL80211_IFTYPE_P2P_GO:
923b352f
AN		 2932 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
2933 iftype)) {
aa430da4
JB		 2934 result = -EINVAL;
2935 break;
2936 }
e16821bc
JM		 2937 if (wdev->beacon_interval) {
2938 if (!dev || !rdev->ops->set_ap_chanwidth ||
2939 !(rdev->wiphy.features &
2940 NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE)) {
2941 result = -EBUSY;
2942 break;
2943 }
2944
2945 /* Only allow dynamic channel width changes */
2946 if (chandef.chan != wdev->preset_chandef.chan) {
2947 result = -EBUSY;
2948 break;
2949 }
2950 result = rdev_set_ap_chanwidth(rdev, dev, &chandef);
2951 if (result)
2952 break;
2953 }
683b6d3b 2954 wdev->preset_chandef = chandef;
aa430da4
JB		 2955 result = 0;
2956 break;
cc1d2806 2957 case NL80211_IFTYPE_MESH_POINT:
683b6d3b 2958 result = cfg80211_set_mesh_channel(rdev, wdev, &chandef);
cc1d2806 2959 break;
e8c9bd5b 2960 case NL80211_IFTYPE_MONITOR:
683b6d3b 2961 result = cfg80211_set_monitor_channel(rdev, &chandef);
e8c9bd5b 2962 break;
aa430da4 2963 default:
e8c9bd5b 2964 result = -EINVAL;
f444de05 2965 }
f444de05
JB		 2966
2967 return result;
2968}
2969
2970static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info)
2971{
4c476991
JB		 2972 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2973 struct net_device *netdev = info->user_ptr[1];
f444de05 2974
e16821bc 2975 return __nl80211_set_channel(rdev, netdev, info);
f444de05
JB		 2976}
2977
e8347eba
BJ		 2978static int nl80211_set_wds_peer(struct sk_buff *skb, struct genl_info *info)
2979{
43b19952
JB		 2980 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2981 struct net_device *dev = info->user_ptr[1];
2982 struct wireless_dev *wdev = dev->ieee80211_ptr;
388ac775 2983 const u8 *bssid;
e8347eba
BJ		 2984
2985 if (!info->attrs[NL80211_ATTR_MAC])
2986 return -EINVAL;
2987
43b19952
JB		 2988 if (netif_running(dev))
2989 return -EBUSY;
e8347eba 2990
43b19952
JB		 2991 if (!rdev->ops->set_wds_peer)
2992 return -EOPNOTSUPP;
e8347eba 2993
43b19952
JB		 2994 if (wdev->iftype != NL80211_IFTYPE_WDS)
2995 return -EOPNOTSUPP;
e8347eba
BJ		 2996
2997 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
e35e4d28 2998 return rdev_set_wds_peer(rdev, dev, bssid);
e8347eba
BJ		 2999}
3000
55682965
JB		 3001static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
3002{
3003 struct cfg80211_registered_device *rdev;
f444de05
JB		 3004 struct net_device *netdev = NULL;
3005 struct wireless_dev *wdev;
a1e567c8 3006 int result = 0, rem_txq_params = 0;
31888487 3007 struct nlattr *nl_txq_params;
b9a5f8ca
JM		 3008 u32 changed;
3009 u8 retry_short = 0, retry_long = 0;
3010 u32 frag_threshold = 0, rts_threshold = 0;
81077e82 3011 u8 coverage_class = 0;
52539ca8 3012 u32 txq_limit = 0, txq_memory_limit = 0, txq_quantum = 0;
55682965 3013
5fe231e8
JB		 3014 ASSERT_RTNL();
3015
f444de05
JB		 3016 /*
3017 * Try to find the wiphy and netdev. Normally this
3018 * function shouldn't need the netdev, but this is
3019 * done for backward compatibility -- previously
3020 * setting the channel was done per wiphy, but now
3021 * it is per netdev. Previous userland like hostapd
3022 * also passed a netdev to set_wiphy, so that it is
3023 * possible to let that go to the right netdev!
3024 */
4bbf4d56 3025
f444de05
JB		 3026 if (info->attrs[NL80211_ATTR_IFINDEX]) {
3027 int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]);
3028
7f2b8562 3029 netdev = __dev_get_by_index(genl_info_net(info), ifindex);
5fe231e8 3030 if (netdev && netdev->ieee80211_ptr)
f26cbf40 3031 rdev = wiphy_to_rdev(netdev->ieee80211_ptr->wiphy);
5fe231e8 3032 else
f444de05 3033 netdev = NULL;
4bbf4d56
JB		 3034 }
3035
f444de05 3036 if (!netdev) {
878d9ec7
JB		 3037 rdev = __cfg80211_rdev_from_attrs(genl_info_net(info),
3038 info->attrs);
5fe231e8 3039 if (IS_ERR(rdev))
4c476991 3040 return PTR_ERR(rdev);
f444de05
JB		 3041 wdev = NULL;
3042 netdev = NULL;
3043 result = 0;
71fe96bf 3044 } else
f444de05 3045 wdev = netdev->ieee80211_ptr;
f444de05
JB		 3046
3047 /*
3048 * end workaround code, by now the rdev is available
3049 * and locked, and wdev may or may not be NULL.
3050 */
4bbf4d56
JB		 3051
3052 if (info->attrs[NL80211_ATTR_WIPHY_NAME])
31888487
JM		 3053 result = cfg80211_dev_rename(
3054 rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME]));
4bbf4d56 3055
4bbf4d56 3056 if (result)
7f2b8562 3057 return result;
31888487
JM		 3058
3059 if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) {
3060 struct ieee80211_txq_params txq_params;
3061 struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1];
3062
7f2b8562
YX		 3063 if (!rdev->ops->set_txq_params)
3064 return -EOPNOTSUPP;
31888487 3065
7f2b8562
YX		 3066 if (!netdev)
3067 return -EINVAL;
f70f01c2 3068
133a3ff2 3069 if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
7f2b8562
YX		 3070 netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
3071 return -EINVAL;
133a3ff2 3072
7f2b8562
YX		 3073 if (!netif_running(netdev))
3074 return -ENETDOWN;
2b5f8b0b 3075
31888487
JM		 3076 nla_for_each_nested(nl_txq_params,
3077 info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS],
3078 rem_txq_params) {
8cb08174
JB		 3079 result = nla_parse_nested_deprecated(tb,
3080 NL80211_TXQ_ATTR_MAX,
3081 nl_txq_params,
3082 txq_params_policy,
3083 info->extack);
ae811e21
JB		 3084 if (result)
3085 return result;
31888487
JM		 3086 result = parse_txq_params(tb, &txq_params);
3087 if (result)
7f2b8562 3088 return result;
31888487 3089
e35e4d28
HG		 3090 result = rdev_set_txq_params(rdev, netdev,
3091 &txq_params);
31888487 3092 if (result)
7f2b8562 3093 return result;
31888487
JM		 3094 }
3095 }
55682965 3096
72bdcf34 3097 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
e16821bc
JM		 3098 result = __nl80211_set_channel(
3099 rdev,
3100 nl80211_can_set_dev_channel(wdev) ? netdev : NULL,
3101 info);
72bdcf34 3102 if (result)
7f2b8562 3103 return result;
72bdcf34
JM		 3104 }
3105
98d2ff8b 3106 if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) {
c8442118 3107 struct wireless_dev *txp_wdev = wdev;
98d2ff8b
JO		 3108 enum nl80211_tx_power_setting type;
3109 int idx, mbm = 0;
3110
c8442118
JB		 3111 if (!(rdev->wiphy.features & NL80211_FEATURE_VIF_TXPOWER))
3112 txp_wdev = NULL;
3113
7f2b8562
YX		 3114 if (!rdev->ops->set_tx_power)
3115 return -EOPNOTSUPP;
98d2ff8b
JO		 3116
3117 idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING;
3118 type = nla_get_u32(info->attrs[idx]);
3119
3120 if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] &&
7f2b8562
YX		 3121 (type != NL80211_TX_POWER_AUTOMATIC))
3122 return -EINVAL;
98d2ff8b
JO		 3123
3124 if (type != NL80211_TX_POWER_AUTOMATIC) {
3125 idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL;
3126 mbm = nla_get_u32(info->attrs[idx]);
3127 }
3128
c8442118 3129 result = rdev_set_tx_power(rdev, txp_wdev, type, mbm);
98d2ff8b 3130 if (result)
7f2b8562 3131 return result;
98d2ff8b
JO		 3132 }
3133
afe0cbf8
BR		 3134 if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] &&
3135 info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) {
3136 u32 tx_ant, rx_ant;
7a087e74 3137
7f531e03
BR		 3138 if ((!rdev->wiphy.available_antennas_tx &&
3139 !rdev->wiphy.available_antennas_rx) ||
7f2b8562
YX		 3140 !rdev->ops->set_antenna)
3141 return -EOPNOTSUPP;
afe0cbf8
BR		 3142
3143 tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]);
3144 rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]);
3145
a7ffac95 3146 /* reject antenna configurations which don't match the
7f531e03
BR		 3147 * available antenna masks, except for the "all" mask */
3148 if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) ||
7f2b8562
YX		 3149 (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx)))
3150 return -EINVAL;
a7ffac95 3151
7f531e03
BR		 3152 tx_ant = tx_ant & rdev->wiphy.available_antennas_tx;
3153 rx_ant = rx_ant & rdev->wiphy.available_antennas_rx;
a7ffac95 3154
e35e4d28 3155 result = rdev_set_antenna(rdev, tx_ant, rx_ant);
afe0cbf8 3156 if (result)
7f2b8562 3157 return result;
afe0cbf8
BR		 3158 }
3159
b9a5f8ca
JM		 3160 changed = 0;
3161
3162 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) {
3163 retry_short = nla_get_u8(
3164 info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]);
7f2b8562 3165
b9a5f8ca
JM		 3166 changed |= WIPHY_PARAM_RETRY_SHORT;
3167 }
3168
3169 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) {
3170 retry_long = nla_get_u8(
3171 info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]);
7f2b8562 3172
b9a5f8ca
JM		 3173 changed |= WIPHY_PARAM_RETRY_LONG;
3174 }
3175
3176 if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) {
3177 frag_threshold = nla_get_u32(
3178 info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]);
7f2b8562
YX		 3179 if (frag_threshold < 256)
3180 return -EINVAL;
3181
b9a5f8ca
JM		 3182 if (frag_threshold != (u32) -1) {
3183 /*
3184 * Fragments (apart from the last one) are required to
3185 * have even length. Make the fragmentation code
3186 * simpler by stripping LSB should someone try to use
3187 * odd threshold value.
3188 */
3189 frag_threshold &= ~0x1;
3190 }
3191 changed |= WIPHY_PARAM_FRAG_THRESHOLD;
3192 }
3193
3194 if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) {
3195 rts_threshold = nla_get_u32(
3196 info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]);
3197 changed |= WIPHY_PARAM_RTS_THRESHOLD;
3198 }
3199
81077e82 3200 if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) {
3057dbfd
LB		 3201 if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK])
3202 return -EINVAL;
3203
81077e82
LT		 3204 coverage_class = nla_get_u8(
3205 info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]);
3206 changed |= WIPHY_PARAM_COVERAGE_CLASS;
3207 }
3208
3057dbfd
LB		 3209 if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) {
3210 if (!(rdev->wiphy.features & NL80211_FEATURE_ACKTO_ESTIMATION))
3211 return -EOPNOTSUPP;
3212
3213 changed |= WIPHY_PARAM_DYN_ACK;
81077e82
LT		 3214 }
3215
52539ca8
THJ		 3216 if (info->attrs[NL80211_ATTR_TXQ_LIMIT]) {
3217 if (!wiphy_ext_feature_isset(&rdev->wiphy,
3218 NL80211_EXT_FEATURE_TXQS))
3219 return -EOPNOTSUPP;
3220 txq_limit = nla_get_u32(
3221 info->attrs[NL80211_ATTR_TXQ_LIMIT]);
3222 changed |= WIPHY_PARAM_TXQ_LIMIT;
3223 }
3224
3225 if (info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]) {
3226 if (!wiphy_ext_feature_isset(&rdev->wiphy,
3227 NL80211_EXT_FEATURE_TXQS))
3228 return -EOPNOTSUPP;
3229 txq_memory_limit = nla_get_u32(
3230 info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]);
3231 changed |= WIPHY_PARAM_TXQ_MEMORY_LIMIT;
3232 }
3233
3234 if (info->attrs[NL80211_ATTR_TXQ_QUANTUM]) {
3235 if (!wiphy_ext_feature_isset(&rdev->wiphy,
3236 NL80211_EXT_FEATURE_TXQS))
3237 return -EOPNOTSUPP;
3238 txq_quantum = nla_get_u32(
3239 info->attrs[NL80211_ATTR_TXQ_QUANTUM]);
3240 changed |= WIPHY_PARAM_TXQ_QUANTUM;
3241 }
3242
b9a5f8ca
JM		 3243 if (changed) {
3244 u8 old_retry_short, old_retry_long;
3245 u32 old_frag_threshold, old_rts_threshold;
81077e82 3246 u8 old_coverage_class;
52539ca8 3247 u32 old_txq_limit, old_txq_memory_limit, old_txq_quantum;
b9a5f8ca 3248
7f2b8562
YX		 3249 if (!rdev->ops->set_wiphy_params)
3250 return -EOPNOTSUPP;
b9a5f8ca
JM		 3251
3252 old_retry_short = rdev->wiphy.retry_short;
3253 old_retry_long = rdev->wiphy.retry_long;
3254 old_frag_threshold = rdev->wiphy.frag_threshold;
3255 old_rts_threshold = rdev->wiphy.rts_threshold;
81077e82 3256 old_coverage_class = rdev->wiphy.coverage_class;
52539ca8
THJ		 3257 old_txq_limit = rdev->wiphy.txq_limit;
3258 old_txq_memory_limit = rdev->wiphy.txq_memory_limit;
3259 old_txq_quantum = rdev->wiphy.txq_quantum;
b9a5f8ca
JM		 3260
3261 if (changed & WIPHY_PARAM_RETRY_SHORT)
3262 rdev->wiphy.retry_short = retry_short;
3263 if (changed & WIPHY_PARAM_RETRY_LONG)
3264 rdev->wiphy.retry_long = retry_long;
3265 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
3266 rdev->wiphy.frag_threshold = frag_threshold;
3267 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
3268 rdev->wiphy.rts_threshold = rts_threshold;
81077e82
LT		 3269 if (changed & WIPHY_PARAM_COVERAGE_CLASS)
3270 rdev->wiphy.coverage_class = coverage_class;
52539ca8
THJ		 3271 if (changed & WIPHY_PARAM_TXQ_LIMIT)
3272 rdev->wiphy.txq_limit = txq_limit;
3273 if (changed & WIPHY_PARAM_TXQ_MEMORY_LIMIT)
3274 rdev->wiphy.txq_memory_limit = txq_memory_limit;
3275 if (changed & WIPHY_PARAM_TXQ_QUANTUM)
3276 rdev->wiphy.txq_quantum = txq_quantum;
b9a5f8ca 3277
e35e4d28 3278 result = rdev_set_wiphy_params(rdev, changed);
b9a5f8ca
JM		 3279 if (result) {
3280 rdev->wiphy.retry_short = old_retry_short;
3281 rdev->wiphy.retry_long = old_retry_long;
3282 rdev->wiphy.frag_threshold = old_frag_threshold;
3283 rdev->wiphy.rts_threshold = old_rts_threshold;
81077e82 3284 rdev->wiphy.coverage_class = old_coverage_class;
52539ca8
THJ		 3285 rdev->wiphy.txq_limit = old_txq_limit;
3286 rdev->wiphy.txq_memory_limit = old_txq_memory_limit;
3287 rdev->wiphy.txq_quantum = old_txq_quantum;
9189ee31 3288 return result;
b9a5f8ca
JM		 3289 }
3290 }
7f2b8562 3291 return 0;
55682965
JB		 3292}
3293
683b6d3b 3294static int nl80211_send_chandef(struct sk_buff *msg,
d2859df5 3295 const struct cfg80211_chan_def *chandef)
683b6d3b 3296{
601555cd
JB		 3297 if (WARN_ON(!cfg80211_chandef_valid(chandef)))
3298 return -EINVAL;
3d9d1d66 3299
683b6d3b
JB		 3300 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
3301 chandef->chan->center_freq))
3302 return -ENOBUFS;
3d9d1d66
JB		 3303 switch (chandef->width) {
3304 case NL80211_CHAN_WIDTH_20_NOHT:
3305 case NL80211_CHAN_WIDTH_20:
3306 case NL80211_CHAN_WIDTH_40:
3307 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
3308 cfg80211_get_chandef_type(chandef)))
3309 return -ENOBUFS;
3310 break;
3311 default:
3312 break;
3313 }
3314 if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, chandef->width))
3315 return -ENOBUFS;
3316 if (nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, chandef->center_freq1))
3317 return -ENOBUFS;
3318 if (chandef->center_freq2 &&
3319 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, chandef->center_freq2))
683b6d3b
JB		 3320 return -ENOBUFS;
3321 return 0;
3322}
3323
15e47304 3324static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags,
d726405a 3325 struct cfg80211_registered_device *rdev,
3d1a5bbf
AZ		 3326 struct wireless_dev *wdev,
3327 enum nl80211_commands cmd)
55682965 3328{
72fb2abc 3329 struct net_device *dev = wdev->netdev;
55682965
JB		 3330 void *hdr;
3331
3d1a5bbf
AZ		 3332 WARN_ON(cmd != NL80211_CMD_NEW_INTERFACE &&
3333 cmd != NL80211_CMD_DEL_INTERFACE &&
3334 cmd != NL80211_CMD_SET_INTERFACE);
8f894be2
TB		 3335
3336 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
55682965
JB		 3337 if (!hdr)
3338 return -1;
3339
72fb2abc
JB		 3340 if (dev &&
3341 (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
98104fde 3342 nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name)))
72fb2abc
JB		 3343 goto nla_put_failure;
3344
3345 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
3346 nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) ||
2dad624e
ND		 3347 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
3348 NL80211_ATTR_PAD) ||
98104fde 3349 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) ||
9360ffd1
DM		 3350 nla_put_u32(msg, NL80211_ATTR_GENERATION,
3351 rdev->devlist_generation ^
446faa15
AQ		 3352 (cfg80211_rdev_list_generation << 2)) ||
3353 nla_put_u8(msg, NL80211_ATTR_4ADDR, wdev->use_4addr))
9360ffd1 3354 goto nla_put_failure;
f5ea9120 3355
5b7ccaf3 3356 if (rdev->ops->get_channel) {
683b6d3b 3357 int ret;
f43e5210 3358 struct cfg80211_chan_def chandef = {};
683b6d3b
JB		 3359
3360 ret = rdev_get_channel(rdev, wdev, &chandef);
3361 if (ret == 0) {
3362 if (nl80211_send_chandef(msg, &chandef))
3363 goto nla_put_failure;
3364 }
d91df0e3
PF		 3365 }
3366
d55d0d59
RM		 3367 if (rdev->ops->get_tx_power) {
3368 int dbm, ret;
3369
3370 ret = rdev_get_tx_power(rdev, wdev, &dbm);
3371 if (ret == 0 &&
3372 nla_put_u32(msg, NL80211_ATTR_WIPHY_TX_POWER_LEVEL,
3373 DBM_TO_MBM(dbm)))
3374 goto nla_put_failure;
3375 }
3376
44905265
JB		 3377 wdev_lock(wdev);
3378 switch (wdev->iftype) {
3379 case NL80211_IFTYPE_AP:
3380 if (wdev->ssid_len &&
3381 nla_put(msg, NL80211_ATTR_SSID, wdev->ssid_len, wdev->ssid))
4564b187 3382 goto nla_put_failure_locked;
44905265
JB		 3383 break;
3384 case NL80211_IFTYPE_STATION:
3385 case NL80211_IFTYPE_P2P_CLIENT:
3386 case NL80211_IFTYPE_ADHOC: {
3387 const u8 *ssid_ie;
3388 if (!wdev->current_bss)
3389 break;
7a94b8c2 3390 rcu_read_lock();
44905265
JB		 3391 ssid_ie = ieee80211_bss_get_ie(&wdev->current_bss->pub,
3392 WLAN_EID_SSID);
7a94b8c2
DB		 3393 if (ssid_ie &&
3394 nla_put(msg, NL80211_ATTR_SSID, ssid_ie[1], ssid_ie + 2))
3395 goto nla_put_failure_rcu_locked;
3396 rcu_read_unlock();
44905265
JB		 3397 break;
3398 }
3399 default:
3400 /* nothing */
3401 break;
b84e7a05 3402 }
44905265 3403 wdev_unlock(wdev);
b84e7a05 3404
52539ca8
THJ		 3405 if (rdev->ops->get_txq_stats) {
3406 struct cfg80211_txq_stats txqstats = {};
3407 int ret = rdev_get_txq_stats(rdev, wdev, &txqstats);
3408
3409 if (ret == 0 &&
3410 !nl80211_put_txq_stats(msg, &txqstats,
3411 NL80211_ATTR_TXQ_STATS))
3412 goto nla_put_failure;
3413 }
3414
053c095a
JB		 3415 genlmsg_end(msg, hdr);
3416 return 0;
55682965 3417
7a94b8c2
DB		 3418 nla_put_failure_rcu_locked:
3419 rcu_read_unlock();
4564b187
JB		 3420 nla_put_failure_locked:
3421 wdev_unlock(wdev);
55682965 3422 nla_put_failure:
bc3ed28c
TG		 3423 genlmsg_cancel(msg, hdr);
3424 return -EMSGSIZE;
55682965
JB		 3425}
3426
3427static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb)
3428{
3429 int wp_idx = 0;
3430 int if_idx = 0;
3431 int wp_start = cb->args[0];
3432 int if_start = cb->args[1];
b7fb44da 3433 int filter_wiphy = -1;
f5ea9120 3434 struct cfg80211_registered_device *rdev;
55682965 3435 struct wireless_dev *wdev;
ea90e0dc 3436 int ret;
55682965 3437
5fe231e8 3438 rtnl_lock();
b7fb44da
DK		 3439 if (!cb->args[2]) {
3440 struct nl80211_dump_wiphy_state state = {
3441 .filter_wiphy = -1,
3442 };
b7fb44da
DK		 3443
3444 ret = nl80211_dump_wiphy_parse(skb, cb, &state);
3445 if (ret)
ea90e0dc 3446 goto out_unlock;
b7fb44da
DK		 3447
3448 filter_wiphy = state.filter_wiphy;
3449
3450 /*
3451 * if filtering, set cb->args[2] to +1 since 0 is the default
3452 * value needed to determine that parsing is necessary.
3453 */
3454 if (filter_wiphy >= 0)
3455 cb->args[2] = filter_wiphy + 1;
3456 else
3457 cb->args[2] = -1;
3458 } else if (cb->args[2] > 0) {
3459 filter_wiphy = cb->args[2] - 1;
3460 }
3461
f5ea9120
JB		 3462 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
3463 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
463d0183 3464 continue;
bba95fef
JB		 3465 if (wp_idx < wp_start) {
3466 wp_idx++;
55682965 3467 continue;
bba95fef 3468 }
b7fb44da
DK		 3469
3470 if (filter_wiphy >= 0 && filter_wiphy != rdev->wiphy_idx)
3471 continue;
3472
55682965
JB		 3473 if_idx = 0;
3474
53873f13 3475 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
bba95fef
JB		 3476 if (if_idx < if_start) {
3477 if_idx++;
55682965 3478 continue;
bba95fef 3479 }
15e47304 3480 if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid,
55682965 3481 cb->nlh->nlmsg_seq, NLM_F_MULTI,
3d1a5bbf
AZ		 3482 rdev, wdev,
3483 NL80211_CMD_NEW_INTERFACE) < 0) {
bba95fef
JB		 3484 goto out;
3485 }
3486 if_idx++;
55682965 3487 }
bba95fef
JB		 3488
3489 wp_idx++;
55682965 3490 }
bba95fef 3491 out:
55682965
JB		 3492 cb->args[0] = wp_idx;
3493 cb->args[1] = if_idx;
3494
ea90e0dc
JB		 3495 ret = skb->len;
3496 out_unlock:
3497 rtnl_unlock();
3498
3499 return ret;
55682965
JB		 3500}
3501
3502static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info)
3503{
3504 struct sk_buff *msg;
1b8ec87a 3505 struct cfg80211_registered_device *rdev = info->user_ptr[0];
72fb2abc 3506 struct wireless_dev *wdev = info->user_ptr[1];
55682965 3507
fd2120ca 3508 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
55682965 3509 if (!msg)
4c476991 3510 return -ENOMEM;
55682965 3511
15e47304 3512 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
3d1a5bbf 3513 rdev, wdev, NL80211_CMD_NEW_INTERFACE) < 0) {
4c476991
JB		 3514 nlmsg_free(msg);
3515 return -ENOBUFS;
3516 }
55682965 3517
134e6375 3518 return genlmsg_reply(msg, info);
55682965
JB		 3519}
3520
66f7ac50
MW		 3521static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = {
3522 [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG },
3523 [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG },
3524 [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG },
3525 [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG },
3526 [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG },
e057d3c3 3527 [NL80211_MNTR_FLAG_ACTIVE] = { .type = NLA_FLAG },
66f7ac50
MW		 3528};
3529
3530static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags)
3531{
3532 struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1];
3533 int flag;
3534
3535 *mntrflags = 0;
3536
3537 if (!nla)
3538 return -EINVAL;
3539
8cb08174 3540 if (nla_parse_nested_deprecated(flags, NL80211_MNTR_FLAG_MAX, nla, mntr_flags_policy, NULL))
66f7ac50
MW		 3541 return -EINVAL;
3542
3543 for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++)
3544 if (flags[flag])
3545 *mntrflags |= (1<<flag);
3546
818a986e
JB		 3547 *mntrflags |= MONITOR_FLAG_CHANGED;
3548
66f7ac50
MW		 3549 return 0;
3550}
3551
1db77596
JB		 3552static int nl80211_parse_mon_options(struct cfg80211_registered_device *rdev,
3553 enum nl80211_iftype type,
3554 struct genl_info *info,
3555 struct vif_params *params)
3556{
3557 bool change = false;
3558 int err;
3559
3560 if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) {
3561 if (type != NL80211_IFTYPE_MONITOR)
3562 return -EINVAL;
3563
3564 err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS],
3565 &params->flags);
3566 if (err)
3567 return err;
3568
3569 change = true;
3570 }
3571
3572 if (params->flags & MONITOR_FLAG_ACTIVE &&
3573 !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR))
3574 return -EOPNOTSUPP;
3575
3576 if (info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]) {
3577 const u8 *mumimo_groups;
3578 u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER;
3579
3580 if (type != NL80211_IFTYPE_MONITOR)
3581 return -EINVAL;
3582
3583 if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag))
3584 return -EOPNOTSUPP;
3585
3586 mumimo_groups =
3587 nla_data(info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]);
3588
3589 /* bits 0 and 63 are reserved and must be zero */
4954601f
JB		 3590 if ((mumimo_groups[0] & BIT(0)) ||
3591 (mumimo_groups[VHT_MUMIMO_GROUPS_DATA_LEN - 1] & BIT(7)))
1db77596
JB		 3592 return -EINVAL;
3593
3594 params->vht_mumimo_groups = mumimo_groups;
3595 change = true;
3596 }
3597
3598 if (info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]) {
3599 u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER;
3600
3601 if (type != NL80211_IFTYPE_MONITOR)
3602 return -EINVAL;
3603
3604 if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag))
3605 return -EOPNOTSUPP;
3606
3607 params->vht_mumimo_follow_addr =
3608 nla_data(info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]);
3609 change = true;
3610 }
3611
3612 return change ? 1 : 0;
3613}
3614
9bc383de 3615static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev,
ad4bb6f8
JB		 3616 struct net_device *netdev, u8 use_4addr,
3617 enum nl80211_iftype iftype)
9bc383de 3618{
ad4bb6f8 3619 if (!use_4addr) {
2e92a2d0 3620 if (netdev && netif_is_bridge_port(netdev))
ad4bb6f8 3621 return -EBUSY;
9bc383de 3622 return 0;
ad4bb6f8 3623 }
9bc383de
JB		 3624
3625 switch (iftype) {
3626 case NL80211_IFTYPE_AP_VLAN:
3627 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP)
3628 return 0;
3629 break;
3630 case NL80211_IFTYPE_STATION:
3631 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION)
3632 return 0;
3633 break;
3634 default:
3635 break;
3636 }
3637
3638 return -EOPNOTSUPP;
3639}
3640
55682965
JB		 3641static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
3642{
4c476991 3643 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2ec600d6 3644 struct vif_params params;
e36d56b6 3645 int err;
04a773ad 3646 enum nl80211_iftype otype, ntype;
4c476991 3647 struct net_device *dev = info->user_ptr[1];
ac7f9cfa 3648 bool change = false;
55682965 3649
2ec600d6
LCC		 3650 memset(&params, 0, sizeof(params));
3651
04a773ad 3652 otype = ntype = dev->ieee80211_ptr->iftype;
55682965 3653
723b038d 3654 if (info->attrs[NL80211_ATTR_IFTYPE]) {
ac7f9cfa 3655 ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
04a773ad 3656 if (otype != ntype)
ac7f9cfa 3657 change = true;
723b038d
JB		 3658 }
3659
92ffe055 3660 if (info->attrs[NL80211_ATTR_MESH_ID]) {
29cbe68c
JB		 3661 struct wireless_dev *wdev = dev->ieee80211_ptr;
3662
4c476991
JB		 3663 if (ntype != NL80211_IFTYPE_MESH_POINT)
3664 return -EINVAL;
29cbe68c
JB		 3665 if (netif_running(dev))
3666 return -EBUSY;
3667
3668 wdev_lock(wdev);
3669 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
3670 IEEE80211_MAX_MESH_ID_LEN);
3671 wdev->mesh_id_up_len =
3672 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
3673 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
3674 wdev->mesh_id_up_len);
3675 wdev_unlock(wdev);
2ec600d6
LCC		 3676 }
3677
8b787643
FF		 3678 if (info->attrs[NL80211_ATTR_4ADDR]) {
3679 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
3680 change = true;
ad4bb6f8 3681 err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype);
9bc383de 3682 if (err)
4c476991 3683 return err;
8b787643
FF		 3684 } else {
3685 params.use_4addr = -1;
3686 }
3687
1db77596
JB		 3688 err = nl80211_parse_mon_options(rdev, ntype, info, &params);
3689 if (err < 0)
3690 return err;
3691 if (err > 0)
c6e6a0c8 3692 change = true;
e057d3c3 3693
ac7f9cfa 3694 if (change)
818a986e 3695 err = cfg80211_change_iface(rdev, dev, ntype, &params);
ac7f9cfa
JB		 3696 else
3697 err = 0;
60719ffd 3698
9bc383de
JB		 3699 if (!err && params.use_4addr != -1)
3700 dev->ieee80211_ptr->use_4addr = params.use_4addr;
3701
3d1a5bbf
AZ		 3702 if (change && !err) {
3703 struct wireless_dev *wdev = dev->ieee80211_ptr;
3704
3705 nl80211_notify_iface(rdev, wdev, NL80211_CMD_SET_INTERFACE);
3706 }
3707
55682965
JB		 3708 return err;
3709}
3710
3711static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
3712{
4c476991 3713 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2ec600d6 3714 struct vif_params params;
84efbb84 3715 struct wireless_dev *wdev;
896ff063 3716 struct sk_buff *msg;
55682965
JB		 3717 int err;
3718 enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED;
3719
78f22b6a
JB		 3720 /* to avoid failing a new interface creation due to pending removal */
3721 cfg80211_destroy_ifaces(rdev);
3722
2ec600d6
LCC		 3723 memset(&params, 0, sizeof(params));
3724
55682965
JB		 3725 if (!info->attrs[NL80211_ATTR_IFNAME])
3726 return -EINVAL;
3727
ab0d76f6 3728 if (info->attrs[NL80211_ATTR_IFTYPE])
55682965 3729 type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
55682965 3730
33d915d9 3731 if (!rdev->ops->add_virtual_intf)
4c476991 3732 return -EOPNOTSUPP;
55682965 3733
cb3b7d87 3734 if ((type == NL80211_IFTYPE_P2P_DEVICE || type == NL80211_IFTYPE_NAN ||
e8f479b1
BG		 3735 rdev->wiphy.features & NL80211_FEATURE_MAC_ON_CREATE) &&
3736 info->attrs[NL80211_ATTR_MAC]) {
1c18f145
AS		 3737 nla_memcpy(params.macaddr, info->attrs[NL80211_ATTR_MAC],
3738 ETH_ALEN);
3739 if (!is_valid_ether_addr(params.macaddr))
3740 return -EADDRNOTAVAIL;
3741 }
3742
9bc383de 3743 if (info->attrs[NL80211_ATTR_4ADDR]) {
8b787643 3744 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
ad4bb6f8 3745 err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type);
9bc383de 3746 if (err)
4c476991 3747 return err;
9bc383de 3748 }
8b787643 3749
e6f40511 3750 if (!cfg80211_iftype_allowed(&rdev->wiphy, type, params.use_4addr, 0))
33d915d9
MP		 3751 return -EOPNOTSUPP;
3752
1db77596
JB		 3753 err = nl80211_parse_mon_options(rdev, type, info, &params);
3754 if (err < 0)
3755 return err;
e057d3c3 3756
a18c7192
JB		 3757 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
3758 if (!msg)
3759 return -ENOMEM;
3760
e35e4d28
HG		 3761 wdev = rdev_add_virtual_intf(rdev,
3762 nla_data(info->attrs[NL80211_ATTR_IFNAME]),
818a986e 3763 NET_NAME_USER, type, &params);
d687cbb7
RM		 3764 if (WARN_ON(!wdev)) {
3765 nlmsg_free(msg);
3766 return -EPROTO;
3767 } else if (IS_ERR(wdev)) {
1c90f9d4 3768 nlmsg_free(msg);
84efbb84 3769 return PTR_ERR(wdev);
1c90f9d4 3770 }
2ec600d6 3771
18e5ca65 3772 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
78f22b6a
JB		 3773 wdev->owner_nlportid = info->snd_portid;
3774
98104fde
JB		 3775 switch (type) {
3776 case NL80211_IFTYPE_MESH_POINT:
3777 if (!info->attrs[NL80211_ATTR_MESH_ID])
3778 break;
29cbe68c
JB		 3779 wdev_lock(wdev);
3780 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
3781 IEEE80211_MAX_MESH_ID_LEN);
3782 wdev->mesh_id_up_len =
3783 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
3784 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
3785 wdev->mesh_id_up_len);
3786 wdev_unlock(wdev);
98104fde 3787 break;
cb3b7d87 3788 case NL80211_IFTYPE_NAN:
98104fde
JB		 3789 case NL80211_IFTYPE_P2P_DEVICE:
3790 /*
cb3b7d87 3791 * P2P Device and NAN do not have a netdev, so don't go
98104fde
JB		 3792 * through the netdev notifier and must be added here
3793 */
e4d4216e 3794 cfg80211_init_wdev(rdev, wdev);
98104fde
JB		 3795 break;
3796 default:
3797 break;
29cbe68c
JB		 3798 }
3799
15e47304 3800 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
3d1a5bbf 3801 rdev, wdev, NL80211_CMD_NEW_INTERFACE) < 0) {
1c90f9d4
JB		 3802 nlmsg_free(msg);
3803 return -ENOBUFS;
3804 }
3805
3806 return genlmsg_reply(msg, info);
55682965
JB		 3807}
3808
3809static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info)
3810{
4c476991 3811 struct cfg80211_registered_device *rdev = info->user_ptr[0];
84efbb84 3812 struct wireless_dev *wdev = info->user_ptr[1];
55682965 3813
4c476991
JB		 3814 if (!rdev->ops->del_virtual_intf)
3815 return -EOPNOTSUPP;
55682965 3816
84efbb84
JB		 3817 /*
3818 * If we remove a wireless device without a netdev then clear
3819 * user_ptr[1] so that nl80211_post_doit won't dereference it
3820 * to check if it needs to do dev_put(). Otherwise it crashes
3821 * since the wdev has been freed, unlike with a netdev where
3822 * we need the dev_put() for the netdev to really be freed.
3823 */
3824 if (!wdev->netdev)
3825 info->user_ptr[1] = NULL;
3826
7f8ed01e 3827 return rdev_del_virtual_intf(rdev, wdev);
55682965
JB		 3828}
3829
1d9d9213
SW		 3830static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info)
3831{
3832 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3833 struct net_device *dev = info->user_ptr[1];
3834 u16 noack_map;
3835
3836 if (!info->attrs[NL80211_ATTR_NOACK_MAP])
3837 return -EINVAL;
3838
3839 if (!rdev->ops->set_noack_map)
3840 return -EOPNOTSUPP;
3841
3842 noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]);
3843
e35e4d28 3844 return rdev_set_noack_map(rdev, dev, noack_map);
1d9d9213
SW		 3845}
3846
41ade00f
JB		 3847struct get_key_cookie {
3848 struct sk_buff *msg;
3849 int error;
b9454e83 3850 int idx;
41ade00f
JB		 3851};
3852
3853static void get_key_callback(void *c, struct key_params *params)
3854{
b9454e83 3855 struct nlattr *key;
41ade00f
JB		 3856 struct get_key_cookie *cookie = c;
3857
9360ffd1
DM		 3858 if ((params->key &&
3859 nla_put(cookie->msg, NL80211_ATTR_KEY_DATA,
3860 params->key_len, params->key)) ||
3861 (params->seq &&
3862 nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ,
3863 params->seq_len, params->seq)) ||
3864 (params->cipher &&
3865 nla_put_u32(cookie->msg, NL80211_ATTR_KEY_CIPHER,
3866 params->cipher)))
3867 goto nla_put_failure;
41ade00f 3868
ae0be8de 3869 key = nla_nest_start_noflag(cookie->msg, NL80211_ATTR_KEY);
b9454e83
JB		 3870 if (!key)
3871 goto nla_put_failure;
3872
9360ffd1
DM		 3873 if ((params->key &&
3874 nla_put(cookie->msg, NL80211_KEY_DATA,
3875 params->key_len, params->key)) ||
3876 (params->seq &&
3877 nla_put(cookie->msg, NL80211_KEY_SEQ,
3878 params->seq_len, params->seq)) ||
3879 (params->cipher &&
3880 nla_put_u32(cookie->msg, NL80211_KEY_CIPHER,
3881 params->cipher)))
3882 goto nla_put_failure;
b9454e83 3883
efdfce72 3884 if (nla_put_u8(cookie->msg, NL80211_KEY_IDX, cookie->idx))
9360ffd1 3885 goto nla_put_failure;
b9454e83
JB		 3886
3887 nla_nest_end(cookie->msg, key);
3888
41ade00f
JB		 3889 return;
3890 nla_put_failure:
3891 cookie->error = 1;
3892}
3893
3894static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info)
3895{
4c476991 3896 struct cfg80211_registered_device *rdev = info->user_ptr[0];
41ade00f 3897 int err;
4c476991 3898 struct net_device *dev = info->user_ptr[1];
41ade00f 3899 u8 key_idx = 0;
e31b8213
JB		 3900 const u8 *mac_addr = NULL;
3901 bool pairwise;
41ade00f
JB		 3902 struct get_key_cookie cookie = {
3903 .error = 0,
3904 };
3905 void *hdr;
3906 struct sk_buff *msg;
3907
56be393f 3908 if (info->attrs[NL80211_ATTR_KEY_IDX]) {
41ade00f 3909 key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
56be393f
JM		 3910 if (key_idx > 5 &&
3911 !wiphy_ext_feature_isset(
3912 &rdev->wiphy,
3913 NL80211_EXT_FEATURE_BEACON_PROTECTION))
3914 return -EINVAL;
3915 }
41ade00f 3916
41ade00f
JB		 3917 if (info->attrs[NL80211_ATTR_MAC])
3918 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3919
e31b8213
JB		 3920 pairwise = !!mac_addr;
3921 if (info->attrs[NL80211_ATTR_KEY_TYPE]) {
3922 u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
7a087e74 3923
e31b8213
JB		 3924 if (kt != NL80211_KEYTYPE_GROUP &&
3925 kt != NL80211_KEYTYPE_PAIRWISE)
3926 return -EINVAL;
3927 pairwise = kt == NL80211_KEYTYPE_PAIRWISE;
3928 }
3929
4c476991
JB		 3930 if (!rdev->ops->get_key)
3931 return -EOPNOTSUPP;
41ade00f 3932
0fa7b391
JB		 3933 if (!pairwise && mac_addr && !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
3934 return -ENOENT;
3935
fd2120ca 3936 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4c476991
JB		 3937 if (!msg)
3938 return -ENOMEM;
41ade00f 3939
15e47304 3940 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
41ade00f 3941 NL80211_CMD_NEW_KEY);
cb35fba3 3942 if (!hdr)
9fe271af 3943 goto nla_put_failure;
41ade00f
JB		 3944
3945 cookie.msg = msg;
b9454e83 3946 cookie.idx = key_idx;
41ade00f 3947
9360ffd1
DM		 3948 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
3949 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx))
3950 goto nla_put_failure;
3951 if (mac_addr &&
3952 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr))
3953 goto nla_put_failure;
41ade00f 3954
e35e4d28
HG		 3955 err = rdev_get_key(rdev, dev, key_idx, pairwise, mac_addr, &cookie,
3956 get_key_callback);
41ade00f
JB		 3957
3958 if (err)
6c95e2a2 3959 goto free_msg;
41ade00f
JB		 3960
3961 if (cookie.error)
3962 goto nla_put_failure;
3963
3964 genlmsg_end(msg, hdr);
4c476991 3965 return genlmsg_reply(msg, info);
41ade00f
JB		 3966
3967 nla_put_failure:
3968 err = -ENOBUFS;
6c95e2a2 3969 free_msg:
41ade00f 3970 nlmsg_free(msg);
41ade00f
JB		 3971 return err;
3972}
3973
3974static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info)
3975{
4c476991 3976 struct cfg80211_registered_device *rdev = info->user_ptr[0];
b9454e83 3977 struct key_parse key;
41ade00f 3978 int err;
4c476991 3979 struct net_device *dev = info->user_ptr[1];
41ade00f 3980
b9454e83
JB		 3981 err = nl80211_parse_key(info, &key);
3982 if (err)
3983 return err;
41ade00f 3984
b9454e83 3985 if (key.idx < 0)
41ade00f
JB		 3986 return -EINVAL;
3987
6cdd3979
AW		 3988 /* Only support setting default key and
3989 * Extended Key ID action NL80211_KEY_SET_TX.
3990 */
56be393f 3991 if (!key.def && !key.defmgmt && !key.defbeacon &&
6cdd3979 3992 !(key.p.mode == NL80211_KEY_SET_TX))
41ade00f
JB		 3993 return -EINVAL;
3994
dbd2fd65 3995 wdev_lock(dev->ieee80211_ptr);
3cfcf6ac 3996
dbd2fd65
JB		 3997 if (key.def) {
3998 if (!rdev->ops->set_default_key) {
3999 err = -EOPNOTSUPP;
4000 goto out;
4001 }
41ade00f 4002
dbd2fd65
JB		 4003 err = nl80211_key_allowed(dev->ieee80211_ptr);
4004 if (err)
4005 goto out;
4006
e35e4d28 4007 err = rdev_set_default_key(rdev, dev, key.idx,
dbd2fd65
JB		 4008 key.def_uni, key.def_multi);
4009
4010 if (err)
4011 goto out;
fffd0934 4012
3d23e349 4013#ifdef CONFIG_CFG80211_WEXT
dbd2fd65
JB		 4014 dev->ieee80211_ptr->wext.default_key = key.idx;
4015#endif
6cdd3979 4016 } else if (key.defmgmt) {
dbd2fd65
JB		 4017 if (key.def_uni || !key.def_multi) {
4018 err = -EINVAL;
4019 goto out;
4020 }
4021
4022 if (!rdev->ops->set_default_mgmt_key) {
4023 err = -EOPNOTSUPP;
4024 goto out;
4025 }
4026
4027 err = nl80211_key_allowed(dev->ieee80211_ptr);
4028 if (err)
4029 goto out;
4030
e35e4d28 4031 err = rdev_set_default_mgmt_key(rdev, dev, key.idx);
dbd2fd65
JB		 4032 if (err)
4033 goto out;
4034
4035#ifdef CONFIG_CFG80211_WEXT
4036 dev->ieee80211_ptr->wext.default_mgmt_key = key.idx;
08645126 4037#endif
56be393f
JM		 4038 } else if (key.defbeacon) {
4039 if (key.def_uni || !key.def_multi) {
4040 err = -EINVAL;
4041 goto out;
4042 }
4043
4044 if (!rdev->ops->set_default_beacon_key) {
4045 err = -EOPNOTSUPP;
4046 goto out;
4047 }
4048
4049 err = nl80211_key_allowed(dev->ieee80211_ptr);
4050 if (err)
4051 goto out;
4052
4053 err = rdev_set_default_beacon_key(rdev, dev, key.idx);
4054 if (err)
4055 goto out;
6cdd3979
AW		 4056 } else if (key.p.mode == NL80211_KEY_SET_TX &&
4057 wiphy_ext_feature_isset(&rdev->wiphy,
4058 NL80211_EXT_FEATURE_EXT_KEY_ID)) {
4059 u8 *mac_addr = NULL;
4060
4061 if (info->attrs[NL80211_ATTR_MAC])
4062 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4063
4064 if (!mac_addr || key.idx < 0 || key.idx > 1) {
4065 err = -EINVAL;
4066 goto out;
4067 }
dbd2fd65 4068
6cdd3979
AW		 4069 err = rdev_add_key(rdev, dev, key.idx,
4070 NL80211_KEYTYPE_PAIRWISE,
4071 mac_addr, &key.p);
4072 } else {
4073 err = -EINVAL;
4074 }
dbd2fd65 4075 out:
fffd0934 4076 wdev_unlock(dev->ieee80211_ptr);
41ade00f 4077
41ade00f
JB		 4078 return err;
4079}
4080
4081static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info)
4082{
4c476991 4083 struct cfg80211_registered_device *rdev = info->user_ptr[0];
fffd0934 4084 int err;
4c476991 4085 struct net_device *dev = info->user_ptr[1];
b9454e83 4086 struct key_parse key;
e31b8213 4087 const u8 *mac_addr = NULL;
41ade00f 4088
b9454e83
JB		 4089 err = nl80211_parse_key(info, &key);
4090 if (err)
4091 return err;
41ade00f 4092
f8af764b
JM		 4093 if (!key.p.key) {
4094 GENL_SET_ERR_MSG(info, "no key");
41ade00f 4095 return -EINVAL;
f8af764b 4096 }
41ade00f 4097
41ade00f
JB		 4098 if (info->attrs[NL80211_ATTR_MAC])
4099 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4100
e31b8213
JB		 4101 if (key.type == -1) {
4102 if (mac_addr)
4103 key.type = NL80211_KEYTYPE_PAIRWISE;
4104 else
4105 key.type = NL80211_KEYTYPE_GROUP;
4106 }
4107
4108 /* for now */
4109 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
f8af764b
JM		 4110 key.type != NL80211_KEYTYPE_GROUP) {
4111 GENL_SET_ERR_MSG(info, "key type not pairwise or group");
e31b8213 4112 return -EINVAL;
f8af764b 4113 }
e31b8213 4114
14f34e36
GG		 4115 if (key.type == NL80211_KEYTYPE_GROUP &&
4116 info->attrs[NL80211_ATTR_VLAN_ID])
4117 key.p.vlan_id = nla_get_u16(info->attrs[NL80211_ATTR_VLAN_ID]);
4118
4c476991
JB		 4119 if (!rdev->ops->add_key)
4120 return -EOPNOTSUPP;
25e47c18 4121
e31b8213
JB		 4122 if (cfg80211_validate_key_settings(rdev, &key.p, key.idx,
4123 key.type == NL80211_KEYTYPE_PAIRWISE,
f8af764b
JM		 4124 mac_addr)) {
4125 GENL_SET_ERR_MSG(info, "key setting validation failed");
4c476991 4126 return -EINVAL;
f8af764b 4127 }
41ade00f 4128
fffd0934
JB		 4129 wdev_lock(dev->ieee80211_ptr);
4130 err = nl80211_key_allowed(dev->ieee80211_ptr);
f8af764b
JM		 4131 if (err)
4132 GENL_SET_ERR_MSG(info, "key not allowed");
4133 if (!err) {
e35e4d28
HG		 4134 err = rdev_add_key(rdev, dev, key.idx,
4135 key.type == NL80211_KEYTYPE_PAIRWISE,
4136 mac_addr, &key.p);
f8af764b
JM		 4137 if (err)
4138 GENL_SET_ERR_MSG(info, "key addition failed");
4139 }
fffd0934 4140 wdev_unlock(dev->ieee80211_ptr);
41ade00f 4141
41ade00f
JB		 4142 return err;
4143}
4144
4145static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
4146{
4c476991 4147 struct cfg80211_registered_device *rdev = info->user_ptr[0];
41ade00f 4148 int err;
4c476991 4149 struct net_device *dev = info->user_ptr[1];
41ade00f 4150 u8 *mac_addr = NULL;
b9454e83 4151 struct key_parse key;
41ade00f 4152
b9454e83
JB		 4153 err = nl80211_parse_key(info, &key);
4154 if (err)
4155 return err;
41ade00f
JB		 4156
4157 if (info->attrs[NL80211_ATTR_MAC])
4158 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4159
e31b8213
JB		 4160 if (key.type == -1) {
4161 if (mac_addr)
4162 key.type = NL80211_KEYTYPE_PAIRWISE;
4163 else
4164 key.type = NL80211_KEYTYPE_GROUP;
4165 }
4166
4167 /* for now */
4168 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
4169 key.type != NL80211_KEYTYPE_GROUP)
4170 return -EINVAL;
4171
4c476991
JB		 4172 if (!rdev->ops->del_key)
4173 return -EOPNOTSUPP;
41ade00f 4174
fffd0934
JB		 4175 wdev_lock(dev->ieee80211_ptr);
4176 err = nl80211_key_allowed(dev->ieee80211_ptr);
e31b8213 4177
0fa7b391 4178 if (key.type == NL80211_KEYTYPE_GROUP && mac_addr &&
e31b8213
JB		 4179 !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
4180 err = -ENOENT;
4181
fffd0934 4182 if (!err)
e35e4d28
HG		 4183 err = rdev_del_key(rdev, dev, key.idx,
4184 key.type == NL80211_KEYTYPE_PAIRWISE,
4185 mac_addr);
41ade00f 4186
3d23e349 4187#ifdef CONFIG_CFG80211_WEXT
08645126 4188 if (!err) {
b9454e83 4189 if (key.idx == dev->ieee80211_ptr->wext.default_key)
08645126 4190 dev->ieee80211_ptr->wext.default_key = -1;
b9454e83 4191 else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key)
08645126
JB		 4192 dev->ieee80211_ptr->wext.default_mgmt_key = -1;
4193 }
4194#endif
fffd0934 4195 wdev_unlock(dev->ieee80211_ptr);
08645126 4196
41ade00f
JB		 4197 return err;
4198}
4199
77765eaf
VT		 4200/* This function returns an error or the number of nested attributes */
4201static int validate_acl_mac_addrs(struct nlattr *nl_attr)
4202{
4203 struct nlattr *attr;
4204 int n_entries = 0, tmp;
4205
4206 nla_for_each_nested(attr, nl_attr, tmp) {
4207 if (nla_len(attr) != ETH_ALEN)
4208 return -EINVAL;
4209
4210 n_entries++;
4211 }
4212
4213 return n_entries;
4214}
4215
4216/*
4217 * This function parses ACL information and allocates memory for ACL data.
4218 * On successful return, the calling function is responsible to free the
4219 * ACL buffer returned by this function.
4220 */
4221static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy,
4222 struct genl_info *info)
4223{
4224 enum nl80211_acl_policy acl_policy;
4225 struct nlattr *attr;
4226 struct cfg80211_acl_data *acl;
4227 int i = 0, n_entries, tmp;
4228
4229 if (!wiphy->max_acl_mac_addrs)
4230 return ERR_PTR(-EOPNOTSUPP);
4231
4232 if (!info->attrs[NL80211_ATTR_ACL_POLICY])
4233 return ERR_PTR(-EINVAL);
4234
4235 acl_policy = nla_get_u32(info->attrs[NL80211_ATTR_ACL_POLICY]);
4236 if (acl_policy != NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED &&
4237 acl_policy != NL80211_ACL_POLICY_DENY_UNLESS_LISTED)
4238 return ERR_PTR(-EINVAL);
4239
4240 if (!info->attrs[NL80211_ATTR_MAC_ADDRS])
4241 return ERR_PTR(-EINVAL);
4242
4243 n_entries = validate_acl_mac_addrs(info->attrs[NL80211_ATTR_MAC_ADDRS]);
4244 if (n_entries < 0)
4245 return ERR_PTR(n_entries);
4246
4247 if (n_entries > wiphy->max_acl_mac_addrs)
4248 return ERR_PTR(-ENOTSUPP);
4249
391d132c 4250 acl = kzalloc(struct_size(acl, mac_addrs, n_entries), GFP_KERNEL);
77765eaf
VT		 4251 if (!acl)
4252 return ERR_PTR(-ENOMEM);
4253
4254 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_MAC_ADDRS], tmp) {
4255 memcpy(acl->mac_addrs[i].addr, nla_data(attr), ETH_ALEN);
4256 i++;
4257 }
4258
4259 acl->n_acl_entries = n_entries;
4260 acl->acl_policy = acl_policy;
4261
4262 return acl;
4263}
4264
4265static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info)
4266{
4267 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4268 struct net_device *dev = info->user_ptr[1];
4269 struct cfg80211_acl_data *acl;
4270 int err;
4271
4272 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4273 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4274 return -EOPNOTSUPP;
4275
4276 if (!dev->ieee80211_ptr->beacon_interval)
4277 return -EINVAL;
4278
4279 acl = parse_acl_data(&rdev->wiphy, info);
4280 if (IS_ERR(acl))
4281 return PTR_ERR(acl);
4282
4283 err = rdev_set_mac_acl(rdev, dev, acl);
4284
4285 kfree(acl);
4286
4287 return err;
4288}
4289
a7c7fbff
PK		 4290static u32 rateset_to_mask(struct ieee80211_supported_band *sband,
4291 u8 *rates, u8 rates_len)
4292{
4293 u8 i;
4294 u32 mask = 0;
4295
4296 for (i = 0; i < rates_len; i++) {
4297 int rate = (rates[i] & 0x7f) * 5;
4298 int ridx;
4299
4300 for (ridx = 0; ridx < sband->n_bitrates; ridx++) {
4301 struct ieee80211_rate *srate =
4302 &sband->bitrates[ridx];
4303 if (rate == srate->bitrate) {
4304 mask |= 1 << ridx;
4305 break;
4306 }
4307 }
4308 if (ridx == sband->n_bitrates)
4309 return 0; /* rate not found */
4310 }
4311
4312 return mask;
4313}
4314
4315static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband,
4316 u8 *rates, u8 rates_len,
4317 u8 mcs[IEEE80211_HT_MCS_MASK_LEN])
4318{
4319 u8 i;
4320
4321 memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN);
4322
4323 for (i = 0; i < rates_len; i++) {
4324 int ridx, rbit;
4325
4326 ridx = rates[i] / 8;
4327 rbit = BIT(rates[i] % 8);
4328
4329 /* check validity */
4330 if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN))
4331 return false;
4332
4333 /* check availability */
30fe6d50 4334 ridx = array_index_nospec(ridx, IEEE80211_HT_MCS_MASK_LEN);
a7c7fbff
PK		 4335 if (sband->ht_cap.mcs.rx_mask[ridx] & rbit)
4336 mcs[ridx] |= rbit;
4337 else
4338 return false;
4339 }
4340
4341 return true;
4342}
4343
4344static u16 vht_mcs_map_to_mcs_mask(u8 vht_mcs_map)
4345{
4346 u16 mcs_mask = 0;
4347
4348 switch (vht_mcs_map) {
4349 case IEEE80211_VHT_MCS_NOT_SUPPORTED:
4350 break;
4351 case IEEE80211_VHT_MCS_SUPPORT_0_7:
4352 mcs_mask = 0x00FF;
4353 break;
4354 case IEEE80211_VHT_MCS_SUPPORT_0_8:
4355 mcs_mask = 0x01FF;
4356 break;
4357 case IEEE80211_VHT_MCS_SUPPORT_0_9:
4358 mcs_mask = 0x03FF;
4359 break;
4360 default:
4361 break;
4362 }
4363
4364 return mcs_mask;
4365}
4366
4367static void vht_build_mcs_mask(u16 vht_mcs_map,
4368 u16 vht_mcs_mask[NL80211_VHT_NSS_MAX])
4369{
4370 u8 nss;
4371
4372 for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) {
4373 vht_mcs_mask[nss] = vht_mcs_map_to_mcs_mask(vht_mcs_map & 0x03);
4374 vht_mcs_map >>= 2;
4375 }
4376}
4377
4378static bool vht_set_mcs_mask(struct ieee80211_supported_band *sband,
4379 struct nl80211_txrate_vht *txrate,
4380 u16 mcs[NL80211_VHT_NSS_MAX])
4381{
4382 u16 tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
4383 u16 tx_mcs_mask[NL80211_VHT_NSS_MAX] = {};
4384 u8 i;
4385
4386 if (!sband->vht_cap.vht_supported)
4387 return false;
4388
4389 memset(mcs, 0, sizeof(u16) * NL80211_VHT_NSS_MAX);
4390
4391 /* Build vht_mcs_mask from VHT capabilities */
4392 vht_build_mcs_mask(tx_mcs_map, tx_mcs_mask);
4393
4394 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
4395 if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i])
4396 mcs[i] = txrate->mcs[i];
4397 else
4398 return false;
4399 }
4400
4401 return true;
4402}
4403
4404static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = {
4405 [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY,
4406 .len = NL80211_MAX_SUPP_RATES },
4407 [NL80211_TXRATE_HT] = { .type = NLA_BINARY,
4408 .len = NL80211_MAX_SUPP_HT_RATES },
180aa422
JB		 4409 [NL80211_TXRATE_VHT] = {
4410 .type = NLA_EXACT_LEN_WARN,
4411 .len = sizeof(struct nl80211_txrate_vht),
4412 },
a7c7fbff
PK		 4413 [NL80211_TXRATE_GI] = { .type = NLA_U8 },
4414};
4415
4416static int nl80211_parse_tx_bitrate_mask(struct genl_info *info,
4417 struct cfg80211_bitrate_mask *mask)
4418{
4419 struct nlattr *tb[NL80211_TXRATE_MAX + 1];
4420 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4421 int rem, i;
4422 struct nlattr *tx_rates;
4423 struct ieee80211_supported_band *sband;
4424 u16 vht_tx_mcs_map;
4425
4426 memset(mask, 0, sizeof(*mask));
4427 /* Default to all rates enabled */
4428 for (i = 0; i < NUM_NL80211_BANDS; i++) {
4429 sband = rdev->wiphy.bands[i];
4430
4431 if (!sband)
4432 continue;
4433
4434 mask->control[i].legacy = (1 << sband->n_bitrates) - 1;
4435 memcpy(mask->control[i].ht_mcs,
4436 sband->ht_cap.mcs.rx_mask,
4437 sizeof(mask->control[i].ht_mcs));
4438
4439 if (!sband->vht_cap.vht_supported)
4440 continue;
4441
4442 vht_tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
4443 vht_build_mcs_mask(vht_tx_mcs_map, mask->control[i].vht_mcs);
4444 }
4445
4446 /* if no rates are given set it back to the defaults */
4447 if (!info->attrs[NL80211_ATTR_TX_RATES])
4448 goto out;
4449
4450 /* The nested attribute uses enum nl80211_band as the index. This maps
4451 * directly to the enum nl80211_band values used in cfg80211.
4452 */
4453 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8);
4454 nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem) {
4455 enum nl80211_band band = nla_type(tx_rates);
4456 int err;
4457
4458 if (band < 0 || band >= NUM_NL80211_BANDS)
4459 return -EINVAL;
4460 sband = rdev->wiphy.bands[band];
4461 if (sband == NULL)
4462 return -EINVAL;
8cb08174
JB		 4463 err = nla_parse_nested_deprecated(tb, NL80211_TXRATE_MAX,
4464 tx_rates,
4465 nl80211_txattr_policy,
4466 info->extack);
a7c7fbff
PK		 4467 if (err)
4468 return err;
4469 if (tb[NL80211_TXRATE_LEGACY]) {
4470 mask->control[band].legacy = rateset_to_mask(
4471 sband,
4472 nla_data(tb[NL80211_TXRATE_LEGACY]),
4473 nla_len(tb[NL80211_TXRATE_LEGACY]));
4474 if ((mask->control[band].legacy == 0) &&
4475 nla_len(tb[NL80211_TXRATE_LEGACY]))
4476 return -EINVAL;
4477 }
4478 if (tb[NL80211_TXRATE_HT]) {
4479 if (!ht_rateset_to_mask(
4480 sband,
4481 nla_data(tb[NL80211_TXRATE_HT]),
4482 nla_len(tb[NL80211_TXRATE_HT]),
4483 mask->control[band].ht_mcs))
4484 return -EINVAL;
4485 }
4486 if (tb[NL80211_TXRATE_VHT]) {
4487 if (!vht_set_mcs_mask(
4488 sband,
4489 nla_data(tb[NL80211_TXRATE_VHT]),
4490 mask->control[band].vht_mcs))
4491 return -EINVAL;
4492 }
4493 if (tb[NL80211_TXRATE_GI]) {
4494 mask->control[band].gi =
4495 nla_get_u8(tb[NL80211_TXRATE_GI]);
4496 if (mask->control[band].gi > NL80211_TXRATE_FORCE_LGI)
4497 return -EINVAL;
4498 }
4499
4500 if (mask->control[band].legacy == 0) {
4501 /* don't allow empty legacy rates if HT or VHT
4502 * are not even supported.
4503 */
4504 if (!(rdev->wiphy.bands[band]->ht_cap.ht_supported ||
4505 rdev->wiphy.bands[band]->vht_cap.vht_supported))
4506 return -EINVAL;
4507
4508 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
4509 if (mask->control[band].ht_mcs[i])
4510 goto out;
4511
4512 for (i = 0; i < NL80211_VHT_NSS_MAX; i++)
4513 if (mask->control[band].vht_mcs[i])
4514 goto out;
4515
4516 /* legacy and mcs rates may not be both empty */
4517 return -EINVAL;
4518 }
4519 }
4520
4521out:
4522 return 0;
4523}
4524
8564e382
JB		 4525static int validate_beacon_tx_rate(struct cfg80211_registered_device *rdev,
4526 enum nl80211_band band,
4527 struct cfg80211_bitrate_mask *beacon_rate)
a7c7fbff 4528{
8564e382
JB		 4529 u32 count_ht, count_vht, i;
4530 u32 rate = beacon_rate->control[band].legacy;
a7c7fbff
PK		 4531
4532 /* Allow only one rate */
4533 if (hweight32(rate) > 1)
4534 return -EINVAL;
4535
4536 count_ht = 0;
4537 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) {
8564e382 4538 if (hweight8(beacon_rate->control[band].ht_mcs[i]) > 1) {
a7c7fbff 4539 return -EINVAL;
8564e382 4540 } else if (beacon_rate->control[band].ht_mcs[i]) {
a7c7fbff
PK		 4541 count_ht++;
4542 if (count_ht > 1)
4543 return -EINVAL;
4544 }
4545 if (count_ht && rate)
4546 return -EINVAL;
4547 }
4548
4549 count_vht = 0;
4550 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
8564e382 4551 if (hweight16(beacon_rate->control[band].vht_mcs[i]) > 1) {
a7c7fbff 4552 return -EINVAL;
8564e382 4553 } else if (beacon_rate->control[band].vht_mcs[i]) {
a7c7fbff
PK		 4554 count_vht++;
4555 if (count_vht > 1)
4556 return -EINVAL;
4557 }
4558 if (count_vht && rate)
4559 return -EINVAL;
4560 }
4561
4562 if ((count_ht && count_vht) || (!rate && !count_ht && !count_vht))
4563 return -EINVAL;
4564
8564e382
JB		 4565 if (rate &&
4566 !wiphy_ext_feature_isset(&rdev->wiphy,
4567 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY))
4568 return -EINVAL;
4569 if (count_ht &&
4570 !wiphy_ext_feature_isset(&rdev->wiphy,
4571 NL80211_EXT_FEATURE_BEACON_RATE_HT))
4572 return -EINVAL;
4573 if (count_vht &&
4574 !wiphy_ext_feature_isset(&rdev->wiphy,
4575 NL80211_EXT_FEATURE_BEACON_RATE_VHT))
4576 return -EINVAL;
4577
a7c7fbff
PK		 4578 return 0;
4579}
4580
81e54d08
PKC		 4581static int nl80211_parse_beacon(struct cfg80211_registered_device *rdev,
4582 struct nlattr *attrs[],
8860020e 4583 struct cfg80211_beacon_data *bcn)
ed1b6cc7 4584{
8860020e 4585 bool haveinfo = false;
81e54d08 4586 int err;
ed1b6cc7 4587
8860020e 4588 memset(bcn, 0, sizeof(*bcn));
ed1b6cc7 4589
a1193be8
SW		 4590 if (attrs[NL80211_ATTR_BEACON_HEAD]) {
4591 bcn->head = nla_data(attrs[NL80211_ATTR_BEACON_HEAD]);
4592 bcn->head_len = nla_len(attrs[NL80211_ATTR_BEACON_HEAD]);
8860020e
JB		 4593 if (!bcn->head_len)
4594 return -EINVAL;
4595 haveinfo = true;
ed1b6cc7
JB		 4596 }
4597
a1193be8
SW		 4598 if (attrs[NL80211_ATTR_BEACON_TAIL]) {
4599 bcn->tail = nla_data(attrs[NL80211_ATTR_BEACON_TAIL]);
4600 bcn->tail_len = nla_len(attrs[NL80211_ATTR_BEACON_TAIL]);
8860020e 4601 haveinfo = true;
ed1b6cc7
JB		 4602 }
4603
4c476991
JB		 4604 if (!haveinfo)
4605 return -EINVAL;
3b85875a 4606
a1193be8
SW		 4607 if (attrs[NL80211_ATTR_IE]) {
4608 bcn->beacon_ies = nla_data(attrs[NL80211_ATTR_IE]);
4609 bcn->beacon_ies_len = nla_len(attrs[NL80211_ATTR_IE]);
9946ecfb
JM		 4610 }
4611
a1193be8 4612 if (attrs[NL80211_ATTR_IE_PROBE_RESP]) {
8860020e 4613 bcn->proberesp_ies =
a1193be8 4614 nla_data(attrs[NL80211_ATTR_IE_PROBE_RESP]);
8860020e 4615 bcn->proberesp_ies_len =
a1193be8 4616 nla_len(attrs[NL80211_ATTR_IE_PROBE_RESP]);
9946ecfb
JM		 4617 }
4618
a1193be8 4619 if (attrs[NL80211_ATTR_IE_ASSOC_RESP]) {
8860020e 4620 bcn->assocresp_ies =
a1193be8 4621 nla_data(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
8860020e 4622 bcn->assocresp_ies_len =
a1193be8 4623 nla_len(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
9946ecfb
JM		 4624 }
4625
a1193be8
SW		 4626 if (attrs[NL80211_ATTR_PROBE_RESP]) {
4627 bcn->probe_resp = nla_data(attrs[NL80211_ATTR_PROBE_RESP]);
4628 bcn->probe_resp_len = nla_len(attrs[NL80211_ATTR_PROBE_RESP]);
00f740e1
AN		 4629 }
4630
81e54d08
PKC		 4631 if (attrs[NL80211_ATTR_FTM_RESPONDER]) {
4632 struct nlattr *tb[NL80211_FTM_RESP_ATTR_MAX + 1];
4633
8cb08174
JB		 4634 err = nla_parse_nested_deprecated(tb,
4635 NL80211_FTM_RESP_ATTR_MAX,
4636 attrs[NL80211_ATTR_FTM_RESPONDER],
4637 NULL, NULL);
81e54d08
PKC		 4638 if (err)
4639 return err;
4640
4641 if (tb[NL80211_FTM_RESP_ATTR_ENABLED] &&
4642 wiphy_ext_feature_isset(&rdev->wiphy,
4643 NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER))
4644 bcn->ftm_responder = 1;
4645 else
4646 return -EOPNOTSUPP;
4647
4648 if (tb[NL80211_FTM_RESP_ATTR_LCI]) {
4649 bcn->lci = nla_data(tb[NL80211_FTM_RESP_ATTR_LCI]);
4650 bcn->lci_len = nla_len(tb[NL80211_FTM_RESP_ATTR_LCI]);
4651 }
4652
4653 if (tb[NL80211_FTM_RESP_ATTR_CIVICLOC]) {
4654 bcn->civicloc = nla_data(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]);
4655 bcn->civicloc_len = nla_len(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]);
4656 }
4657 } else {
4658 bcn->ftm_responder = -1;
4659 }
4660
8860020e
JB		 4661 return 0;
4662}
4663
796e90f4
JC		 4664static int nl80211_parse_he_obss_pd(struct nlattr *attrs,
4665 struct ieee80211_he_obss_pd *he_obss_pd)
4666{
4667 struct nlattr *tb[NL80211_HE_OBSS_PD_ATTR_MAX + 1];
4668 int err;
4669
4670 err = nla_parse_nested(tb, NL80211_HE_OBSS_PD_ATTR_MAX, attrs,
4671 he_obss_pd_policy, NULL);
4672 if (err)
4673 return err;
4674
4675 if (!tb[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET] ||
4676 !tb[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET])
4677 return -EINVAL;
4678
4679 he_obss_pd->min_offset =
4680 nla_get_u32(tb[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET]);
4681 he_obss_pd->max_offset =
4682 nla_get_u32(tb[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET]);
4683
4684 if (he_obss_pd->min_offset >= he_obss_pd->max_offset)
4685 return -EINVAL;
4686
4687 he_obss_pd->enable = true;
4688
4689 return 0;
4690}
4691
5c5e52d1
JC		 4692static int nl80211_parse_he_bss_color(struct nlattr *attrs,
4693 struct cfg80211_he_bss_color *he_bss_color)
4694{
4695 struct nlattr *tb[NL80211_HE_BSS_COLOR_ATTR_MAX + 1];
4696 int err;
4697
4698 err = nla_parse_nested(tb, NL80211_HE_BSS_COLOR_ATTR_MAX, attrs,
4699 he_bss_color_policy, NULL);
4700 if (err)
4701 return err;
4702
4703 if (!tb[NL80211_HE_BSS_COLOR_ATTR_COLOR])
4704 return -EINVAL;
4705
4706 he_bss_color->color =
4707 nla_get_u8(tb[NL80211_HE_BSS_COLOR_ATTR_COLOR]);
4708 he_bss_color->disabled =
4709 nla_get_flag(tb[NL80211_HE_BSS_COLOR_ATTR_DISABLED]);
4710 he_bss_color->partial =
4711 nla_get_flag(tb[NL80211_HE_BSS_COLOR_ATTR_PARTIAL]);
4712
4713 return 0;
4714}
4715
66cd794e
JB		 4716static void nl80211_check_ap_rate_selectors(struct cfg80211_ap_settings *params,
4717 const u8 *rates)
4718{
4719 int i;
4720
4721 if (!rates)
4722 return;
4723
4724 for (i = 0; i < rates[1]; i++) {
4725 if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_HT_PHY)
4726 params->ht_required = true;
4727 if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_VHT_PHY)
4728 params->vht_required = true;
4729 }
4730}
4731
4732/*
4733 * Since the nl80211 API didn't include, from the beginning, attributes about
4734 * HT/VHT requirements/capabilities, we parse them out of the IEs for the
4735 * benefit of drivers that rebuild IEs in the firmware.
4736 */
4737static void nl80211_calculate_ap_params(struct cfg80211_ap_settings *params)
4738{
4739 const struct cfg80211_beacon_data *bcn = &params->beacon;
ba83bfb1
IM		 4740 size_t ies_len = bcn->tail_len;
4741 const u8 *ies = bcn->tail;
66cd794e
JB		 4742 const u8 *rates;
4743 const u8 *cap;
4744
4745 rates = cfg80211_find_ie(WLAN_EID_SUPP_RATES, ies, ies_len);
4746 nl80211_check_ap_rate_selectors(params, rates);
4747
4748 rates = cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES, ies, ies_len);
4749 nl80211_check_ap_rate_selectors(params, rates);
4750
4751 cap = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, ies, ies_len);
4752 if (cap && cap[1] >= sizeof(*params->ht_cap))
4753 params->ht_cap = (void *)(cap + 2);
4754 cap = cfg80211_find_ie(WLAN_EID_VHT_CAPABILITY, ies, ies_len);
4755 if (cap && cap[1] >= sizeof(*params->vht_cap))
4756 params->vht_cap = (void *)(cap + 2);
244eb9ae
ST		 4757 cap = cfg80211_find_ext_ie(WLAN_EID_EXT_HE_CAPABILITY, ies, ies_len);
4758 if (cap && cap[1] >= sizeof(*params->he_cap) + 1)
4759 params->he_cap = (void *)(cap + 3);
66cd794e
JB		 4760}
4761
46c1dd0c
FF		 4762static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev,
4763 struct cfg80211_ap_settings *params)
4764{
4765 struct wireless_dev *wdev;
4766 bool ret = false;
4767
53873f13 4768 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
46c1dd0c
FF		 4769 if (wdev->iftype != NL80211_IFTYPE_AP &&
4770 wdev->iftype != NL80211_IFTYPE_P2P_GO)
4771 continue;
4772
683b6d3b 4773 if (!wdev->preset_chandef.chan)
46c1dd0c
FF		 4774 continue;
4775
683b6d3b 4776 params->chandef = wdev->preset_chandef;
46c1dd0c
FF		 4777 ret = true;
4778 break;
4779 }
4780
46c1dd0c
FF		 4781 return ret;
4782}
4783
e39e5b5e
JM		 4784static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev,
4785 enum nl80211_auth_type auth_type,
4786 enum nl80211_commands cmd)
4787{
4788 if (auth_type > NL80211_AUTHTYPE_MAX)
4789 return false;
4790
4791 switch (cmd) {
4792 case NL80211_CMD_AUTHENTICATE:
4793 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
4794 auth_type == NL80211_AUTHTYPE_SAE)
4795 return false;
63181060
JM		 4796 if (!wiphy_ext_feature_isset(&rdev->wiphy,
4797 NL80211_EXT_FEATURE_FILS_STA) &&
4798 (auth_type == NL80211_AUTHTYPE_FILS_SK ||
4799 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
4800 auth_type == NL80211_AUTHTYPE_FILS_PK))
4801 return false;
e39e5b5e
JM		 4802 return true;
4803 case NL80211_CMD_CONNECT:
10773a7c 4804 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
26f7044e
CHH		 4805 !wiphy_ext_feature_isset(&rdev->wiphy,
4806 NL80211_EXT_FEATURE_SAE_OFFLOAD) &&
10773a7c 4807 auth_type == NL80211_AUTHTYPE_SAE)
a3caf744 4808 return false;
10773a7c 4809
a3caf744
VK		 4810 /* FILS with SK PFS or PK not supported yet */
4811 if (auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
4812 auth_type == NL80211_AUTHTYPE_FILS_PK)
4813 return false;
4814 if (!wiphy_ext_feature_isset(
4815 &rdev->wiphy,
4816 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) &&
4817 auth_type == NL80211_AUTHTYPE_FILS_SK)
4818 return false;
4819 return true;
e39e5b5e
JM		 4820 case NL80211_CMD_START_AP:
4821 /* SAE not supported yet */
4822 if (auth_type == NL80211_AUTHTYPE_SAE)
4823 return false;
63181060
JM		 4824 /* FILS not supported yet */
4825 if (auth_type == NL80211_AUTHTYPE_FILS_SK ||
4826 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
4827 auth_type == NL80211_AUTHTYPE_FILS_PK)
4828 return false;
e39e5b5e
JM		 4829 return true;
4830 default:
4831 return false;
4832 }
4833}
4834
8860020e
JB		 4835static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
4836{
4837 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4838 struct net_device *dev = info->user_ptr[1];
4839 struct wireless_dev *wdev = dev->ieee80211_ptr;
4840 struct cfg80211_ap_settings params;
4841 int err;
4842
4843 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4844 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4845 return -EOPNOTSUPP;
4846
4847 if (!rdev->ops->start_ap)
4848 return -EOPNOTSUPP;
4849
4850 if (wdev->beacon_interval)
4851 return -EALREADY;
4852
4853 memset(&params, 0, sizeof(params));
4854
4855 /* these are required for START_AP */
4856 if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] ||
4857 !info->attrs[NL80211_ATTR_DTIM_PERIOD] ||
4858 !info->attrs[NL80211_ATTR_BEACON_HEAD])
4859 return -EINVAL;
4860
81e54d08 4861 err = nl80211_parse_beacon(rdev, info->attrs, &params.beacon);
8860020e
JB		 4862 if (err)
4863 return err;
4864
4865 params.beacon_interval =
4866 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
4867 params.dtim_period =
4868 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
4869
0c317a02
PK		 4870 err = cfg80211_validate_beacon_int(rdev, dev->ieee80211_ptr->iftype,
4871 params.beacon_interval);
8860020e
JB		 4872 if (err)
4873 return err;
4874
4875 /*
4876 * In theory, some of these attributes should be required here
4877 * but since they were not used when the command was originally
4878 * added, keep them optional for old user space programs to let
4879 * them continue to work with drivers that do not need the
4880 * additional information -- drivers must check!
4881 */
4882 if (info->attrs[NL80211_ATTR_SSID]) {
4883 params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
4884 params.ssid_len =
4885 nla_len(info->attrs[NL80211_ATTR_SSID]);
4886 if (params.ssid_len == 0 ||
4887 params.ssid_len > IEEE80211_MAX_SSID_LEN)
4888 return -EINVAL;
4889 }
4890
ab0d76f6 4891 if (info->attrs[NL80211_ATTR_HIDDEN_SSID])
8860020e
JB		 4892 params.hidden_ssid = nla_get_u32(
4893 info->attrs[NL80211_ATTR_HIDDEN_SSID]);
8860020e
JB		 4894
4895 params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
4896
4897 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
4898 params.auth_type = nla_get_u32(
4899 info->attrs[NL80211_ATTR_AUTH_TYPE]);
e39e5b5e
JM		 4900 if (!nl80211_valid_auth_type(rdev, params.auth_type,
4901 NL80211_CMD_START_AP))
8860020e
JB		 4902 return -EINVAL;
4903 } else
4904 params.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
4905
4906 err = nl80211_crypto_settings(rdev, info, &params.crypto,
4907 NL80211_MAX_NR_CIPHER_SUITES);
4908 if (err)
4909 return err;
4910
1b658f11
VT		 4911 if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) {
4912 if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER))
4913 return -EOPNOTSUPP;
4914 params.inactivity_timeout = nla_get_u16(
4915 info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]);
4916 }
4917
53cabad7
JB		 4918 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
4919 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4920 return -EINVAL;
4921 params.p2p_ctwindow =
4922 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
53cabad7
JB		 4923 if (params.p2p_ctwindow != 0 &&
4924 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
4925 return -EINVAL;
4926 }
4927
4928 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
4929 u8 tmp;
4930
4931 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4932 return -EINVAL;
4933 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
53cabad7
JB		 4934 params.p2p_opp_ps = tmp;
4935 if (params.p2p_opp_ps != 0 &&
4936 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
4937 return -EINVAL;
4938 }
4939
aa430da4 4940 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
683b6d3b
JB		 4941 err = nl80211_parse_chandef(rdev, info, &params.chandef);
4942 if (err)
4943 return err;
4944 } else if (wdev->preset_chandef.chan) {
4945 params.chandef = wdev->preset_chandef;
46c1dd0c 4946 } else if (!nl80211_get_ap_channel(rdev, &params))
aa430da4
JB		 4947 return -EINVAL;
4948
923b352f
AN		 4949 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &params.chandef,
4950 wdev->iftype))
aa430da4
JB		 4951 return -EINVAL;
4952
a7c7fbff
PK		 4953 if (info->attrs[NL80211_ATTR_TX_RATES]) {
4954 err = nl80211_parse_tx_bitrate_mask(info, &params.beacon_rate);
4955 if (err)
4956 return err;
4957
8564e382
JB		 4958 err = validate_beacon_tx_rate(rdev, params.chandef.chan->band,
4959 &params.beacon_rate);
a7c7fbff
PK		 4960 if (err)
4961 return err;
4962 }
4963
18998c38
EP		 4964 if (info->attrs[NL80211_ATTR_SMPS_MODE]) {
4965 params.smps_mode =
4966 nla_get_u8(info->attrs[NL80211_ATTR_SMPS_MODE]);
4967 switch (params.smps_mode) {
4968 case NL80211_SMPS_OFF:
4969 break;
4970 case NL80211_SMPS_STATIC:
4971 if (!(rdev->wiphy.features &
4972 NL80211_FEATURE_STATIC_SMPS))
4973 return -EINVAL;
4974 break;
4975 case NL80211_SMPS_DYNAMIC:
4976 if (!(rdev->wiphy.features &
4977 NL80211_FEATURE_DYNAMIC_SMPS))
4978 return -EINVAL;
4979 break;
4980 default:
4981 return -EINVAL;
4982 }
4983 } else {
4984 params.smps_mode = NL80211_SMPS_OFF;
4985 }
4986
6e8ef842
PK		 4987 params.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
4988 if (params.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ])
4989 return -EOPNOTSUPP;
4990
4baf6bea
OO		 4991 if (info->attrs[NL80211_ATTR_ACL_POLICY]) {
4992 params.acl = parse_acl_data(&rdev->wiphy, info);
4993 if (IS_ERR(params.acl))
4994 return PTR_ERR(params.acl);
4995 }
4996
a0de1ca3
JC		 4997 params.twt_responder =
4998 nla_get_flag(info->attrs[NL80211_ATTR_TWT_RESPONDER]);
4999
796e90f4
JC		 5000 if (info->attrs[NL80211_ATTR_HE_OBSS_PD]) {
5001 err = nl80211_parse_he_obss_pd(
5002 info->attrs[NL80211_ATTR_HE_OBSS_PD],
5003 &params.he_obss_pd);
9951ebfc 5004 goto out;
796e90f4
JC		 5005 }
5006
5c5e52d1
JC		 5007 if (info->attrs[NL80211_ATTR_HE_BSS_COLOR]) {
5008 err = nl80211_parse_he_bss_color(
5009 info->attrs[NL80211_ATTR_HE_BSS_COLOR],
5010 &params.he_bss_color);
5011 if (err)
5012 return err;
5013 }
5014
66cd794e
JB		 5015 nl80211_calculate_ap_params(&params);
5016
fe494370
SD		 5017 if (info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])
5018 params.flags |= AP_SETTINGS_EXTERNAL_AUTH_SUPPORT;
5019
c56589ed 5020 wdev_lock(wdev);
e35e4d28 5021 err = rdev_start_ap(rdev, dev, &params);
46c1dd0c 5022 if (!err) {
683b6d3b 5023 wdev->preset_chandef = params.chandef;
8860020e 5024 wdev->beacon_interval = params.beacon_interval;
9e0e2961 5025 wdev->chandef = params.chandef;
06e191e2
AQ		 5026 wdev->ssid_len = params.ssid_len;
5027 memcpy(wdev->ssid, params.ssid, wdev->ssid_len);
466a3061
DK		 5028
5029 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
5030 wdev->conn_owner_nlportid = info->snd_portid;
46c1dd0c 5031 }
c56589ed 5032 wdev_unlock(wdev);
77765eaf 5033
9951ebfc 5034out:
77765eaf
VT		 5035 kfree(params.acl);
5036
56d1893d 5037 return err;
ed1b6cc7
JB		 5038}
5039
8860020e
JB		 5040static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info)
5041{
5042 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5043 struct net_device *dev = info->user_ptr[1];
5044 struct wireless_dev *wdev = dev->ieee80211_ptr;
5045 struct cfg80211_beacon_data params;
5046 int err;
5047
5048 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
5049 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5050 return -EOPNOTSUPP;
5051
5052 if (!rdev->ops->change_beacon)
5053 return -EOPNOTSUPP;
5054
5055 if (!wdev->beacon_interval)
5056 return -EINVAL;
5057
81e54d08 5058 err = nl80211_parse_beacon(rdev, info->attrs, &params);
8860020e
JB		 5059 if (err)
5060 return err;
5061
c56589ed
SW		 5062 wdev_lock(wdev);
5063 err = rdev_change_beacon(rdev, dev, &params);
5064 wdev_unlock(wdev);
5065
5066 return err;
8860020e
JB		 5067}
5068
5069static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info)
ed1b6cc7 5070{
4c476991
JB		 5071 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5072 struct net_device *dev = info->user_ptr[1];
ed1b6cc7 5073
7c8d5e03 5074 return cfg80211_stop_ap(rdev, dev, false);
ed1b6cc7
JB		 5075}
5076
5727ef1b
JB		 5077static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = {
5078 [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG },
5079 [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG },
5080 [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG },
0e46724a 5081 [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG },
b39c48fa 5082 [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG },
d83023da 5083 [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG },
5727ef1b
JB		 5084};
5085
eccb8e8f 5086static int parse_station_flags(struct genl_info *info,
bdd3ae3d 5087 enum nl80211_iftype iftype,
eccb8e8f 5088 struct station_parameters *params)
5727ef1b
JB		 5089{
5090 struct nlattr *flags[NL80211_STA_FLAG_MAX + 1];
eccb8e8f 5091 struct nlattr *nla;
5727ef1b
JB		 5092 int flag;
5093
eccb8e8f
JB		 5094 /*
5095 * Try parsing the new attribute first so userspace
5096 * can specify both for older kernels.
5097 */
5098 nla = info->attrs[NL80211_ATTR_STA_FLAGS2];
5099 if (nla) {
5100 struct nl80211_sta_flag_update *sta_flags;
5101
5102 sta_flags = nla_data(nla);
5103 params->sta_flags_mask = sta_flags->mask;
5104 params->sta_flags_set = sta_flags->set;
77ee7c89 5105 params->sta_flags_set &= params->sta_flags_mask;
eccb8e8f
JB		 5106 if ((params->sta_flags_mask |
5107 params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID))
5108 return -EINVAL;
5109 return 0;
5110 }
5111
5112 /* if present, parse the old attribute */
5727ef1b 5113
eccb8e8f 5114 nla = info->attrs[NL80211_ATTR_STA_FLAGS];
5727ef1b
JB		 5115 if (!nla)
5116 return 0;
5117
8cb08174 5118 if (nla_parse_nested_deprecated(flags, NL80211_STA_FLAG_MAX, nla, sta_flags_policy, info->extack))
5727ef1b
JB		 5119 return -EINVAL;
5120
bdd3ae3d
JB		 5121 /*
5122 * Only allow certain flags for interface types so that
5123 * other attributes are silently ignored. Remember that
5124 * this is backward compatibility code with old userspace
5125 * and shouldn't be hit in other cases anyway.
5126 */
5127 switch (iftype) {
5128 case NL80211_IFTYPE_AP:
5129 case NL80211_IFTYPE_AP_VLAN:
5130 case NL80211_IFTYPE_P2P_GO:
5131 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
5132 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
5133 BIT(NL80211_STA_FLAG_WME) |
5134 BIT(NL80211_STA_FLAG_MFP);
5135 break;
5136 case NL80211_IFTYPE_P2P_CLIENT:
5137 case NL80211_IFTYPE_STATION:
5138 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
5139 BIT(NL80211_STA_FLAG_TDLS_PEER);
5140 break;
5141 case NL80211_IFTYPE_MESH_POINT:
5142 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
5143 BIT(NL80211_STA_FLAG_MFP) |
5144 BIT(NL80211_STA_FLAG_AUTHORIZED);
5cf3006c 5145 break;
bdd3ae3d
JB		 5146 default:
5147 return -EINVAL;
5148 }
5727ef1b 5149
3383b5a6
JB		 5150 for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) {
5151 if (flags[flag]) {
eccb8e8f 5152 params->sta_flags_set |= (1<<flag);
5727ef1b 5153
3383b5a6
JB		 5154 /* no longer support new API additions in old API */
5155 if (flag > NL80211_STA_FLAG_MAX_OLD_API)
5156 return -EINVAL;
5157 }
5158 }
5159
5727ef1b
JB		 5160 return 0;
5161}
5162
9bb7e0f2 5163bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, int attr)
c8dcfd8a
FF		 5164{
5165 struct nlattr *rate;
8eb41c8d
VK		 5166 u32 bitrate;
5167 u16 bitrate_compat;
bbf67e45 5168 enum nl80211_rate_info rate_flg;
c8dcfd8a 5169
ae0be8de 5170 rate = nla_nest_start_noflag(msg, attr);
c8dcfd8a 5171 if (!rate)
db9c64cf 5172 return false;
c8dcfd8a
FF		 5173
5174 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
5175 bitrate = cfg80211_calculate_bitrate(info);
8eb41c8d
VK		 5176 /* report 16-bit bitrate only if we can */
5177 bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0;
db9c64cf
JB		 5178 if (bitrate > 0 &&
5179 nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate))
5180 return false;
5181 if (bitrate_compat > 0 &&
5182 nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat))
5183 return false;
5184
b51f3bee
JB		 5185 switch (info->bw) {
5186 case RATE_INFO_BW_5:
5187 rate_flg = NL80211_RATE_INFO_5_MHZ_WIDTH;
5188 break;
5189 case RATE_INFO_BW_10:
5190 rate_flg = NL80211_RATE_INFO_10_MHZ_WIDTH;
5191 break;
5192 default:
5193 WARN_ON(1);
5194 /* fall through */
5195 case RATE_INFO_BW_20:
5196 rate_flg = 0;
5197 break;
5198 case RATE_INFO_BW_40:
5199 rate_flg = NL80211_RATE_INFO_40_MHZ_WIDTH;
5200 break;
5201 case RATE_INFO_BW_80:
5202 rate_flg = NL80211_RATE_INFO_80_MHZ_WIDTH;
5203 break;
5204 case RATE_INFO_BW_160:
5205 rate_flg = NL80211_RATE_INFO_160_MHZ_WIDTH;
5206 break;
c4cbaf79
LC		 5207 case RATE_INFO_BW_HE_RU:
5208 rate_flg = 0;
5209 WARN_ON(!(info->flags & RATE_INFO_FLAGS_HE_MCS));
b51f3bee
JB		 5210 }
5211
5212 if (rate_flg && nla_put_flag(msg, rate_flg))
5213 return false;
5214
db9c64cf
JB		 5215 if (info->flags & RATE_INFO_FLAGS_MCS) {
5216 if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs))
5217 return false;
db9c64cf
JB		 5218 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
5219 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
5220 return false;
5221 } else if (info->flags & RATE_INFO_FLAGS_VHT_MCS) {
5222 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_MCS, info->mcs))
5223 return false;
5224 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss))
5225 return false;
db9c64cf
JB		 5226 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
5227 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
5228 return false;
c4cbaf79
LC		 5229 } else if (info->flags & RATE_INFO_FLAGS_HE_MCS) {
5230 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_MCS, info->mcs))
5231 return false;
5232 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_NSS, info->nss))
5233 return false;
5234 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_GI, info->he_gi))
5235 return false;
5236 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_DCM, info->he_dcm))
5237 return false;
5238 if (info->bw == RATE_INFO_BW_HE_RU &&
5239 nla_put_u8(msg, NL80211_RATE_INFO_HE_RU_ALLOC,
5240 info->he_ru_alloc))
5241 return false;
db9c64cf 5242 }
c8dcfd8a
FF		 5243
5244 nla_nest_end(msg, rate);
5245 return true;
c8dcfd8a
FF		 5246}
5247
119363c7
FF		 5248static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal,
5249 int id)
5250{
5251 void *attr;
5252 int i = 0;
5253
5254 if (!mask)
5255 return true;
5256
ae0be8de 5257 attr = nla_nest_start_noflag(msg, id);
119363c7
FF		 5258 if (!attr)
5259 return false;
5260
5261 for (i = 0; i < IEEE80211_MAX_CHAINS; i++) {
5262 if (!(mask & BIT(i)))
5263 continue;
5264
5265 if (nla_put_u8(msg, i, signal[i]))
5266 return false;
5267 }
5268
5269 nla_nest_end(msg, attr);
5270
5271 return true;
5272}
5273
cf5ead82
JB		 5274static int nl80211_send_station(struct sk_buff *msg, u32 cmd, u32 portid,
5275 u32 seq, int flags,
66266b3a
JL		 5276 struct cfg80211_registered_device *rdev,
5277 struct net_device *dev,
98b62183 5278 const u8 *mac_addr, struct station_info *sinfo)
fd5b74dc
JB		 5279{
5280 void *hdr;
f4263c98 5281 struct nlattr *sinfoattr, *bss_param;
fd5b74dc 5282
cf5ead82 5283 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
f77bf486
AS		 5284 if (!hdr) {
5285 cfg80211_sinfo_release_content(sinfo);
fd5b74dc 5286 return -1;
f77bf486 5287 }
fd5b74dc 5288
9360ffd1
DM		 5289 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
5290 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
5291 nla_put_u32(msg, NL80211_ATTR_GENERATION, sinfo->generation))
5292 goto nla_put_failure;
f5ea9120 5293
ae0be8de 5294 sinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_STA_INFO);
2ec600d6 5295 if (!sinfoattr)
fd5b74dc 5296 goto nla_put_failure;
319090bf
JB		 5297
5298#define PUT_SINFO(attr, memb, type) do { \
d686b920 5299 BUILD_BUG_ON(sizeof(type) == sizeof(u64)); \
397c657a 5300 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \
319090bf
JB		 5301 nla_put_ ## type(msg, NL80211_STA_INFO_ ## attr, \
5302 sinfo->memb)) \
5303 goto nla_put_failure; \
5304 } while (0)
d686b920 5305#define PUT_SINFO_U64(attr, memb) do { \
397c657a 5306 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \
d686b920
JB		 5307 nla_put_u64_64bit(msg, NL80211_STA_INFO_ ## attr, \
5308 sinfo->memb, NL80211_STA_INFO_PAD)) \
5309 goto nla_put_failure; \
5310 } while (0)
319090bf
JB		 5311
5312 PUT_SINFO(CONNECTED_TIME, connected_time, u32);
5313 PUT_SINFO(INACTIVE_TIME, inactive_time, u32);
6c7a0033 5314 PUT_SINFO_U64(ASSOC_AT_BOOTTIME, assoc_at);
319090bf 5315
397c657a
OE		 5316 if (sinfo->filled & (BIT_ULL(NL80211_STA_INFO_RX_BYTES) |
5317 BIT_ULL(NL80211_STA_INFO_RX_BYTES64)) &&
9360ffd1 5318 nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES,
42745e03 5319 (u32)sinfo->rx_bytes))
9360ffd1 5320 goto nla_put_failure;
319090bf 5321
397c657a
OE		 5322 if (sinfo->filled & (BIT_ULL(NL80211_STA_INFO_TX_BYTES) |
5323 BIT_ULL(NL80211_STA_INFO_TX_BYTES64)) &&
9360ffd1 5324 nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES,
42745e03
VK		 5325 (u32)sinfo->tx_bytes))
5326 goto nla_put_failure;
319090bf 5327
d686b920
JB		 5328 PUT_SINFO_U64(RX_BYTES64, rx_bytes);
5329 PUT_SINFO_U64(TX_BYTES64, tx_bytes);
319090bf
JB		 5330 PUT_SINFO(LLID, llid, u16);
5331 PUT_SINFO(PLID, plid, u16);
5332 PUT_SINFO(PLINK_STATE, plink_state, u8);
d686b920 5333 PUT_SINFO_U64(RX_DURATION, rx_duration);
36647055
THJ		 5334 PUT_SINFO_U64(TX_DURATION, tx_duration);
5335
5336 if (wiphy_ext_feature_isset(&rdev->wiphy,
5337 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
5338 PUT_SINFO(AIRTIME_WEIGHT, airtime_weight, u16);
319090bf 5339
66266b3a
JL		 5340 switch (rdev->wiphy.signal_type) {
5341 case CFG80211_SIGNAL_TYPE_MBM:
319090bf
JB		 5342 PUT_SINFO(SIGNAL, signal, u8);
5343 PUT_SINFO(SIGNAL_AVG, signal_avg, u8);
66266b3a
JL		 5344 break;
5345 default:
5346 break;
5347 }
397c657a 5348 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL)) {
119363c7
FF		 5349 if (!nl80211_put_signal(msg, sinfo->chains,
5350 sinfo->chain_signal,
5351 NL80211_STA_INFO_CHAIN_SIGNAL))
5352 goto nla_put_failure;
5353 }
397c657a 5354 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) {
119363c7
FF		 5355 if (!nl80211_put_signal(msg, sinfo->chains,
5356 sinfo->chain_signal_avg,
5357 NL80211_STA_INFO_CHAIN_SIGNAL_AVG))
5358 goto nla_put_failure;
5359 }
397c657a 5360 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_TX_BITRATE)) {
c8dcfd8a
FF		 5361 if (!nl80211_put_sta_rate(msg, &sinfo->txrate,
5362 NL80211_STA_INFO_TX_BITRATE))
5363 goto nla_put_failure;
5364 }
397c657a 5365 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_RX_BITRATE)) {
c8dcfd8a
FF		 5366 if (!nl80211_put_sta_rate(msg, &sinfo->rxrate,
5367 NL80211_STA_INFO_RX_BITRATE))
420e7fab 5368 goto nla_put_failure;
420e7fab 5369 }
319090bf
JB		 5370
5371 PUT_SINFO(RX_PACKETS, rx_packets, u32);
5372 PUT_SINFO(TX_PACKETS, tx_packets, u32);
5373 PUT_SINFO(TX_RETRIES, tx_retries, u32);
5374 PUT_SINFO(TX_FAILED, tx_failed, u32);
5375 PUT_SINFO(EXPECTED_THROUGHPUT, expected_throughput, u32);
ab60633c 5376 PUT_SINFO(AIRTIME_LINK_METRIC, airtime_link_metric, u32);
319090bf
JB		 5377 PUT_SINFO(BEACON_LOSS, beacon_loss_count, u32);
5378 PUT_SINFO(LOCAL_PM, local_pm, u32);
5379 PUT_SINFO(PEER_PM, peer_pm, u32);
5380 PUT_SINFO(NONPEER_PM, nonpeer_pm, u32);
dbdaee7a 5381 PUT_SINFO(CONNECTED_TO_GATE, connected_to_gate, u8);
319090bf 5382
397c657a 5383 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_BSS_PARAM)) {
ae0be8de
MK		 5384 bss_param = nla_nest_start_noflag(msg,
5385 NL80211_STA_INFO_BSS_PARAM);
f4263c98
PS		 5386 if (!bss_param)
5387 goto nla_put_failure;
5388
9360ffd1
DM		 5389 if (((sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) &&
5390 nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) ||
5391 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) &&
5392 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) ||
5393 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) &&
5394 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) ||
5395 nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD,
5396 sinfo->bss_param.dtim_period) ||
5397 nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL,
5398 sinfo->bss_param.beacon_interval))
5399 goto nla_put_failure;
f4263c98
PS		 5400
5401 nla_nest_end(msg, bss_param);
5402 }
397c657a 5403 if ((sinfo->filled & BIT_ULL(NL80211_STA_INFO_STA_FLAGS)) &&
9360ffd1
DM		 5404 nla_put(msg, NL80211_STA_INFO_STA_FLAGS,
5405 sizeof(struct nl80211_sta_flag_update),
5406 &sinfo->sta_flags))
5407 goto nla_put_failure;
319090bf 5408
d686b920
JB		 5409 PUT_SINFO_U64(T_OFFSET, t_offset);
5410 PUT_SINFO_U64(RX_DROP_MISC, rx_dropped_misc);
5411 PUT_SINFO_U64(BEACON_RX, rx_beacon);
a76b1942 5412 PUT_SINFO(BEACON_SIGNAL_AVG, rx_beacon_signal_avg, u8);
0d4e14a3
AB		 5413 PUT_SINFO(RX_MPDUS, rx_mpdu_count, u32);
5414 PUT_SINFO(FCS_ERROR_COUNT, fcs_err_count, u32);
81d5439d 5415 if (wiphy_ext_feature_isset(&rdev->wiphy,
9c06602b
BP		 5416 NL80211_EXT_FEATURE_ACK_SIGNAL_SUPPORT)) {
5417 PUT_SINFO(ACK_SIGNAL, ack_signal, u8);
5418 PUT_SINFO(ACK_SIGNAL_AVG, avg_ack_signal, s8);
5419 }
319090bf
JB		 5420
5421#undef PUT_SINFO
d686b920 5422#undef PUT_SINFO_U64
6de39808 5423
8689c051 5424 if (sinfo->pertid) {
6de39808
JB		 5425 struct nlattr *tidsattr;
5426 int tid;
5427
ae0be8de
MK		 5428 tidsattr = nla_nest_start_noflag(msg,
5429 NL80211_STA_INFO_TID_STATS);
6de39808
JB		 5430 if (!tidsattr)
5431 goto nla_put_failure;
5432
5433 for (tid = 0; tid < IEEE80211_NUM_TIDS + 1; tid++) {
5434 struct cfg80211_tid_stats *tidstats;
5435 struct nlattr *tidattr;
5436
5437 tidstats = &sinfo->pertid[tid];
5438
5439 if (!tidstats->filled)
5440 continue;
5441
ae0be8de 5442 tidattr = nla_nest_start_noflag(msg, tid + 1);
6de39808
JB		 5443 if (!tidattr)
5444 goto nla_put_failure;
5445
d686b920 5446#define PUT_TIDVAL_U64(attr, memb) do { \
6de39808 5447 if (tidstats->filled & BIT(NL80211_TID_STATS_ ## attr) && \
d686b920
JB		 5448 nla_put_u64_64bit(msg, NL80211_TID_STATS_ ## attr, \
5449 tidstats->memb, NL80211_TID_STATS_PAD)) \
6de39808
JB		 5450 goto nla_put_failure; \
5451 } while (0)
5452
d686b920
JB		 5453 PUT_TIDVAL_U64(RX_MSDU, rx_msdu);
5454 PUT_TIDVAL_U64(TX_MSDU, tx_msdu);
5455 PUT_TIDVAL_U64(TX_MSDU_RETRIES, tx_msdu_retries);
5456 PUT_TIDVAL_U64(TX_MSDU_FAILED, tx_msdu_failed);
6de39808 5457
d686b920 5458#undef PUT_TIDVAL_U64
52539ca8
THJ		 5459 if ((tidstats->filled &
5460 BIT(NL80211_TID_STATS_TXQ_STATS)) &&
5461 !nl80211_put_txq_stats(msg, &tidstats->txq_stats,
5462 NL80211_TID_STATS_TXQ_STATS))
5463 goto nla_put_failure;
5464
6de39808
JB		 5465 nla_nest_end(msg, tidattr);
5466 }
5467
5468 nla_nest_end(msg, tidsattr);
5469 }
5470
2ec600d6 5471 nla_nest_end(msg, sinfoattr);
fd5b74dc 5472
319090bf 5473 if (sinfo->assoc_req_ies_len &&
9360ffd1
DM		 5474 nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len,
5475 sinfo->assoc_req_ies))
5476 goto nla_put_failure;
50d3dfb7 5477
7ea3e110 5478 cfg80211_sinfo_release_content(sinfo);
053c095a
JB		 5479 genlmsg_end(msg, hdr);
5480 return 0;
fd5b74dc
JB		 5481
5482 nla_put_failure:
7ea3e110 5483 cfg80211_sinfo_release_content(sinfo);
bc3ed28c
TG		 5484 genlmsg_cancel(msg, hdr);
5485 return -EMSGSIZE;
fd5b74dc
JB		 5486}
5487
2ec600d6 5488static int nl80211_dump_station(struct sk_buff *skb,
bba95fef 5489 struct netlink_callback *cb)
2ec600d6 5490{
73887fd9 5491 struct station_info sinfo;
1b8ec87a 5492 struct cfg80211_registered_device *rdev;
97990a06 5493 struct wireless_dev *wdev;
2ec600d6 5494 u8 mac_addr[ETH_ALEN];
97990a06 5495 int sta_idx = cb->args[2];
2ec600d6 5496 int err;
2ec600d6 5497
ea90e0dc 5498 rtnl_lock();
5297c65c 5499 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
67748893 5500 if (err)
ea90e0dc 5501 goto out_err;
bba95fef 5502
97990a06
JB		 5503 if (!wdev->netdev) {
5504 err = -EINVAL;
5505 goto out_err;
5506 }
5507
1b8ec87a 5508 if (!rdev->ops->dump_station) {
eec60b03 5509 err = -EOPNOTSUPP;
bba95fef
JB		 5510 goto out_err;
5511 }
5512
bba95fef 5513 while (1) {
73887fd9 5514 memset(&sinfo, 0, sizeof(sinfo));
1b8ec87a 5515 err = rdev_dump_station(rdev, wdev->netdev, sta_idx,
73887fd9 5516 mac_addr, &sinfo);
bba95fef
JB		 5517 if (err == -ENOENT)
5518 break;
5519 if (err)
3b85875a 5520 goto out_err;
bba95fef 5521
cf5ead82 5522 if (nl80211_send_station(skb, NL80211_CMD_NEW_STATION,
15e47304 5523 NETLINK_CB(cb->skb).portid,
bba95fef 5524 cb->nlh->nlmsg_seq, NLM_F_MULTI,
1b8ec87a 5525 rdev, wdev->netdev, mac_addr,
73887fd9 5526 &sinfo) < 0)
bba95fef
JB		 5527 goto out;
5528
5529 sta_idx++;
5530 }
5531
bba95fef 5532 out:
97990a06 5533 cb->args[2] = sta_idx;
bba95fef 5534 err = skb->len;
bba95fef 5535 out_err:
ea90e0dc 5536 rtnl_unlock();
bba95fef
JB		 5537
5538 return err;
2ec600d6 5539}
fd5b74dc 5540
5727ef1b
JB		 5541static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info)
5542{
4c476991
JB		 5543 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5544 struct net_device *dev = info->user_ptr[1];
73887fd9 5545 struct station_info sinfo;
fd5b74dc
JB		 5546 struct sk_buff *msg;
5547 u8 *mac_addr = NULL;
4c476991 5548 int err;
fd5b74dc 5549
73887fd9 5550 memset(&sinfo, 0, sizeof(sinfo));
fd5b74dc 5551
73887fd9
JB		 5552 if (!info->attrs[NL80211_ATTR_MAC])
5553 return -EINVAL;
fd5b74dc
JB		 5554
5555 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
5556
73887fd9
JB		 5557 if (!rdev->ops->get_station)
5558 return -EOPNOTSUPP;
3b85875a 5559
73887fd9 5560 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
fd5b74dc 5561 if (err)
73887fd9 5562 return err;
2ec600d6 5563
fd2120ca 5564 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7ea3e110 5565 if (!msg) {
ba8f566a 5566 cfg80211_sinfo_release_content(&sinfo);
73887fd9 5567 return -ENOMEM;
7ea3e110 5568 }
fd5b74dc 5569
cf5ead82
JB		 5570 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION,
5571 info->snd_portid, info->snd_seq, 0,
73887fd9 5572 rdev, dev, mac_addr, &sinfo) < 0) {
4c476991 5573 nlmsg_free(msg);
73887fd9 5574 return -ENOBUFS;
4c476991 5575 }
3b85875a 5576
73887fd9 5577 return genlmsg_reply(msg, info);
5727ef1b
JB		 5578}
5579
77ee7c89
JB		 5580int cfg80211_check_station_change(struct wiphy *wiphy,
5581 struct station_parameters *params,
5582 enum cfg80211_station_type statype)
5583{
e4208427
AB		 5584 if (params->listen_interval != -1 &&
5585 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
77ee7c89 5586 return -EINVAL;
e4208427 5587
17b94247
AB		 5588 if (params->support_p2p_ps != -1 &&
5589 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
5590 return -EINVAL;
5591
c72e1140 5592 if (params->aid &&
e4208427
AB		 5593 !(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) &&
5594 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
77ee7c89
JB		 5595 return -EINVAL;
5596
5597 /* When you run into this, adjust the code below for the new flag */
5598 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
5599
5600 switch (statype) {
eef941e6
TP		 5601 case CFG80211_STA_MESH_PEER_KERNEL:
5602 case CFG80211_STA_MESH_PEER_USER:
77ee7c89
JB		 5603 /*
5604 * No ignoring the TDLS flag here -- the userspace mesh
5605 * code doesn't have the bug of including TDLS in the
5606 * mask everywhere.
5607 */
5608 if (params->sta_flags_mask &
5609 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) |
5610 BIT(NL80211_STA_FLAG_MFP) |
5611 BIT(NL80211_STA_FLAG_AUTHORIZED)))
5612 return -EINVAL;
5613 break;
5614 case CFG80211_STA_TDLS_PEER_SETUP:
5615 case CFG80211_STA_TDLS_PEER_ACTIVE:
5616 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
5617 return -EINVAL;
5618 /* ignore since it can't change */
5619 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
5620 break;
5621 default:
5622 /* disallow mesh-specific things */
5623 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION)
5624 return -EINVAL;
5625 if (params->local_pm)
5626 return -EINVAL;
5627 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
5628 return -EINVAL;
5629 }
5630
5631 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
5632 statype != CFG80211_STA_TDLS_PEER_ACTIVE) {
5633 /* TDLS can't be set, ... */
5634 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
5635 return -EINVAL;
5636 /*
5637 * ... but don't bother the driver with it. This works around
5638 * a hostapd/wpa_supplicant issue -- it always includes the
5639 * TLDS_PEER flag in the mask even for AP mode.
5640 */
5641 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
5642 }
5643
47edb11b
AB		 5644 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
5645 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
77ee7c89
JB		 5646 /* reject other things that can't change */
5647 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD)
5648 return -EINVAL;
5649 if (params->sta_modify_mask & STATION_PARAM_APPLY_CAPABILITY)
5650 return -EINVAL;
5651 if (params->supported_rates)
5652 return -EINVAL;
c4cbaf79
LC		 5653 if (params->ext_capab || params->ht_capa || params->vht_capa ||
5654 params->he_capa)
77ee7c89
JB		 5655 return -EINVAL;
5656 }
5657
47edb11b
AB		 5658 if (statype != CFG80211_STA_AP_CLIENT &&
5659 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
77ee7c89
JB		 5660 if (params->vlan)
5661 return -EINVAL;
5662 }
5663
5664 switch (statype) {
5665 case CFG80211_STA_AP_MLME_CLIENT:
5666 /* Use this only for authorizing/unauthorizing a station */
5667 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
5668 return -EOPNOTSUPP;
5669 break;
5670 case CFG80211_STA_AP_CLIENT:
47edb11b 5671 case CFG80211_STA_AP_CLIENT_UNASSOC:
77ee7c89
JB		 5672 /* accept only the listed bits */
5673 if (params->sta_flags_mask &
5674 ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
5675 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
5676 BIT(NL80211_STA_FLAG_ASSOCIATED) |
5677 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
5678 BIT(NL80211_STA_FLAG_WME) |
5679 BIT(NL80211_STA_FLAG_MFP)))
5680 return -EINVAL;
5681
5682 /* but authenticated/associated only if driver handles it */
5683 if (!(wiphy->features & NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
5684 params->sta_flags_mask &
5685 (BIT(NL80211_STA_FLAG_AUTHENTICATED) |
5686 BIT(NL80211_STA_FLAG_ASSOCIATED)))
5687 return -EINVAL;
5688 break;
5689 case CFG80211_STA_IBSS:
5690 case CFG80211_STA_AP_STA:
5691 /* reject any changes other than AUTHORIZED */
5692 if (params->sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED))
5693 return -EINVAL;
5694 break;
5695 case CFG80211_STA_TDLS_PEER_SETUP:
5696 /* reject any changes other than AUTHORIZED or WME */
5697 if (params->sta_flags_mask & ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
5698 BIT(NL80211_STA_FLAG_WME)))
5699 return -EINVAL;
5700 /* force (at least) rates when authorizing */
5701 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED) &&
5702 !params->supported_rates)
5703 return -EINVAL;
5704 break;
5705 case CFG80211_STA_TDLS_PEER_ACTIVE:
5706 /* reject any changes */
5707 return -EINVAL;
eef941e6 5708 case CFG80211_STA_MESH_PEER_KERNEL:
77ee7c89
JB		 5709 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
5710 return -EINVAL;
5711 break;
eef941e6 5712 case CFG80211_STA_MESH_PEER_USER:
42925040
CYY		 5713 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION &&
5714 params->plink_action != NL80211_PLINK_ACTION_BLOCK)
77ee7c89
JB		 5715 return -EINVAL;
5716 break;
5717 }
5718
06f7c88c
BL		 5719 /*
5720 * Older kernel versions ignored this attribute entirely, so don't
5721 * reject attempts to update it but mark it as unused instead so the
5722 * driver won't look at the data.
5723 */
5724 if (statype != CFG80211_STA_AP_CLIENT_UNASSOC &&
5725 statype != CFG80211_STA_TDLS_PEER_SETUP)
5726 params->opmode_notif_used = false;
5727
77ee7c89
JB		 5728 return 0;
5729}
5730EXPORT_SYMBOL(cfg80211_check_station_change);
5731
5727ef1b 5732/*
c258d2de 5733 * Get vlan interface making sure it is running and on the right wiphy.
5727ef1b 5734 */
80b99899
JB		 5735static struct net_device *get_vlan(struct genl_info *info,
5736 struct cfg80211_registered_device *rdev)
5727ef1b 5737{
463d0183 5738 struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN];
80b99899
JB		 5739 struct net_device *v;
5740 int ret;
5741
5742 if (!vlanattr)
5743 return NULL;
5744
5745 v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr));
5746 if (!v)
5747 return ERR_PTR(-ENODEV);
5748
5749 if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) {
5750 ret = -EINVAL;
5751 goto error;
5727ef1b 5752 }
80b99899 5753
77ee7c89
JB		 5754 if (v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
5755 v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
5756 v->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
5757 ret = -EINVAL;
5758 goto error;
5759 }
5760
80b99899
JB		 5761 if (!netif_running(v)) {
5762 ret = -ENETDOWN;
5763 goto error;
5764 }
5765
5766 return v;
5767 error:
5768 dev_put(v);
5769 return ERR_PTR(ret);
5727ef1b
JB		 5770}
5771
94e860f1
JB		 5772static const struct nla_policy
5773nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] = {
df881293
JM		 5774 [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 },
5775 [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 },
5776};
5777
ff276691
JB		 5778static int nl80211_parse_sta_wme(struct genl_info *info,
5779 struct station_parameters *params)
df881293 5780{
df881293
JM		 5781 struct nlattr *tb[NL80211_STA_WME_MAX + 1];
5782 struct nlattr *nla;
5783 int err;
5784
df881293
JM		 5785 /* parse WME attributes if present */
5786 if (!info->attrs[NL80211_ATTR_STA_WME])
5787 return 0;
5788
5789 nla = info->attrs[NL80211_ATTR_STA_WME];
8cb08174
JB		 5790 err = nla_parse_nested_deprecated(tb, NL80211_STA_WME_MAX, nla,
5791 nl80211_sta_wme_policy,
5792 info->extack);
df881293
JM		 5793 if (err)
5794 return err;
5795
5796 if (tb[NL80211_STA_WME_UAPSD_QUEUES])
5797 params->uapsd_queues = nla_get_u8(
5798 tb[NL80211_STA_WME_UAPSD_QUEUES]);
5799 if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
5800 return -EINVAL;
5801
5802 if (tb[NL80211_STA_WME_MAX_SP])
5803 params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]);
5804
5805 if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
5806 return -EINVAL;
5807
5808 params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD;
5809
5810 return 0;
5811}
5812
c01fc9ad
SD		 5813static int nl80211_parse_sta_channel_info(struct genl_info *info,
5814 struct station_parameters *params)
5815{
5816 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]) {
5817 params->supported_channels =
5818 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
5819 params->supported_channels_len =
5820 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
5821 /*
5822 * Need to include at least one (first channel, number of
5823 * channels) tuple for each subband, and must have proper
5824 * tuples for the rest of the data as well.
5825 */
5826 if (params->supported_channels_len < 2)
5827 return -EINVAL;
5828 if (params->supported_channels_len % 2)
5829 return -EINVAL;
5830 }
5831
5832 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]) {
5833 params->supported_oper_classes =
5834 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
5835 params->supported_oper_classes_len =
5836 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
5837 /*
5838 * The value of the Length field of the Supported Operating
5839 * Classes element is between 2 and 253.
5840 */
5841 if (params->supported_oper_classes_len < 2 ||
5842 params->supported_oper_classes_len > 253)
5843 return -EINVAL;
5844 }
5845 return 0;
5846}
5847
ff276691
JB		 5848static int nl80211_set_station_tdls(struct genl_info *info,
5849 struct station_parameters *params)
5850{
c01fc9ad 5851 int err;
ff276691 5852 /* Dummy STA entry gets updated once the peer capabilities are known */
5e4b6f56
JM		 5853 if (info->attrs[NL80211_ATTR_PEER_AID])
5854 params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
ff276691
JB		 5855 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
5856 params->ht_capa =
5857 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
5858 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
5859 params->vht_capa =
5860 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
c4cbaf79
LC		 5861 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
5862 params->he_capa =
5863 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
5864 params->he_capa_len =
5865 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
5866
5867 if (params->he_capa_len < NL80211_HE_MIN_CAPABILITY_LEN)
5868 return -EINVAL;
5869 }
ff276691 5870
c01fc9ad
SD		 5871 err = nl80211_parse_sta_channel_info(info, params);
5872 if (err)
5873 return err;
5874
ff276691
JB		 5875 return nl80211_parse_sta_wme(info, params);
5876}
5877
e96d1cd2
ARN		 5878static int nl80211_parse_sta_txpower_setting(struct genl_info *info,
5879 struct station_parameters *params)
5880{
5881 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5882 int idx;
5883
5884 if (info->attrs[NL80211_ATTR_STA_TX_POWER_SETTING]) {
5885 if (!rdev->ops->set_tx_power ||
5886 !wiphy_ext_feature_isset(&rdev->wiphy,
5887 NL80211_EXT_FEATURE_STA_TX_PWR))
5888 return -EOPNOTSUPP;
5889
5890 idx = NL80211_ATTR_STA_TX_POWER_SETTING;
5891 params->txpwr.type = nla_get_u8(info->attrs[idx]);
5892
5893 if (params->txpwr.type == NL80211_TX_POWER_LIMITED) {
5894 idx = NL80211_ATTR_STA_TX_POWER;
5895
5896 if (info->attrs[idx])
5897 params->txpwr.power =
5898 nla_get_s16(info->attrs[idx]);
5899 else
5900 return -EINVAL;
5901 }
5902 params->sta_modify_mask |= STATION_PARAM_APPLY_STA_TXPOWER;
5903 }
5904
5905 return 0;
5906}
5907
5727ef1b
JB		 5908static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
5909{
4c476991 5910 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4c476991 5911 struct net_device *dev = info->user_ptr[1];
5727ef1b 5912 struct station_parameters params;
77ee7c89
JB		 5913 u8 *mac_addr;
5914 int err;
5727ef1b
JB		 5915
5916 memset(&params, 0, sizeof(params));
5917
77ee7c89
JB		 5918 if (!rdev->ops->change_station)
5919 return -EOPNOTSUPP;
5920
e4208427
AB		 5921 /*
5922 * AID and listen_interval properties can be set only for unassociated
5923 * station. Include these parameters here and will check them in
5924 * cfg80211_check_station_change().
5925 */
a9bc31e4
AB		 5926 if (info->attrs[NL80211_ATTR_STA_AID])
5927 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
e4208427 5928
14f34e36
GG		 5929 if (info->attrs[NL80211_ATTR_VLAN_ID])
5930 params.vlan_id = nla_get_u16(info->attrs[NL80211_ATTR_VLAN_ID]);
5931
e4208427
AB		 5932 if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
5933 params.listen_interval =
5934 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
5935 else
5936 params.listen_interval = -1;
5727ef1b 5937
ab0d76f6
JB		 5938 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS])
5939 params.support_p2p_ps =
5940 nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
5941 else
17b94247 5942 params.support_p2p_ps = -1;
17b94247 5943
5727ef1b
JB		 5944 if (!info->attrs[NL80211_ATTR_MAC])
5945 return -EINVAL;
5946
5947 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
5948
5949 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) {
5950 params.supported_rates =
5951 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
5952 params.supported_rates_len =
5953 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
5954 }
5955
9d62a986
JM		 5956 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
5957 params.capability =
5958 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
5959 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
5960 }
5961
5962 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
5963 params.ext_capab =
5964 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
5965 params.ext_capab_len =
5966 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
5967 }
5968
bdd3ae3d 5969 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, &params))
5727ef1b
JB		 5970 return -EINVAL;
5971
ab0d76f6 5972 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
2ec600d6 5973 params.plink_action =
f8bacc21 5974 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
2ec600d6 5975
f8bacc21 5976 if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) {
9c3990aa 5977 params.plink_state =
f8bacc21 5978 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]);
ab0d76f6 5979 if (info->attrs[NL80211_ATTR_MESH_PEER_AID])
7d27a0ba
MH		 5980 params.peer_aid = nla_get_u16(
5981 info->attrs[NL80211_ATTR_MESH_PEER_AID]);
f8bacc21
JB		 5982 params.sta_modify_mask |= STATION_PARAM_APPLY_PLINK_STATE;
5983 }
9c3990aa 5984
ab0d76f6
JB		 5985 if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE])
5986 params.local_pm = nla_get_u32(
3b1c5a53
MP		 5987 info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]);
5988
06f7c88c
BL		 5989 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
5990 params.opmode_notif_used = true;
5991 params.opmode_notif =
5992 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
5993 }
5994
36647055
THJ		 5995 if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
5996 params.airtime_weight =
5997 nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
5998
5999 if (params.airtime_weight &&
6000 !wiphy_ext_feature_isset(&rdev->wiphy,
6001 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
6002 return -EOPNOTSUPP;
6003
e96d1cd2
ARN		 6004 err = nl80211_parse_sta_txpower_setting(info, &params);
6005 if (err)
6006 return err;
6007
77ee7c89
JB		 6008 /* Include parameters for TDLS peer (will check later) */
6009 err = nl80211_set_station_tdls(info, &params);
6010 if (err)
6011 return err;
6012
6013 params.vlan = get_vlan(info, rdev);
6014 if (IS_ERR(params.vlan))
6015 return PTR_ERR(params.vlan);
6016
a97f4424
JB		 6017 switch (dev->ieee80211_ptr->iftype) {
6018 case NL80211_IFTYPE_AP:
6019 case NL80211_IFTYPE_AP_VLAN:
074ac8df 6020 case NL80211_IFTYPE_P2P_GO:
074ac8df 6021 case NL80211_IFTYPE_P2P_CLIENT:
a97f4424 6022 case NL80211_IFTYPE_STATION:
267335d6 6023 case NL80211_IFTYPE_ADHOC:
a97f4424 6024 case NL80211_IFTYPE_MESH_POINT:
a97f4424
JB		 6025 break;
6026 default:
77ee7c89
JB		 6027 err = -EOPNOTSUPP;
6028 goto out_put_vlan;
034d655e
JB		 6029 }
6030
77ee7c89 6031 /* driver will call cfg80211_check_station_change() */
e35e4d28 6032 err = rdev_change_station(rdev, dev, mac_addr, &params);
5727ef1b 6033
77ee7c89 6034 out_put_vlan:
5727ef1b
JB		 6035 if (params.vlan)
6036 dev_put(params.vlan);
3b85875a 6037
5727ef1b
JB		 6038 return err;
6039}
6040
6041static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
6042{
4c476991 6043 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5727ef1b 6044 int err;
4c476991 6045 struct net_device *dev = info->user_ptr[1];
5727ef1b
JB		 6046 struct station_parameters params;
6047 u8 *mac_addr = NULL;
bda95eb1
JB		 6048 u32 auth_assoc = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6049 BIT(NL80211_STA_FLAG_ASSOCIATED);
5727ef1b
JB		 6050
6051 memset(&params, 0, sizeof(params));
6052
984c311b
JB		 6053 if (!rdev->ops->add_station)
6054 return -EOPNOTSUPP;
6055
5727ef1b
JB		 6056 if (!info->attrs[NL80211_ATTR_MAC])
6057 return -EINVAL;
6058
5727ef1b
JB		 6059 if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
6060 return -EINVAL;
6061
6062 if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES])
6063 return -EINVAL;
6064
5e4b6f56
JM		 6065 if (!info->attrs[NL80211_ATTR_STA_AID] &&
6066 !info->attrs[NL80211_ATTR_PEER_AID])
0e956c13
TLSC		 6067 return -EINVAL;
6068
5727ef1b
JB		 6069 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
6070 params.supported_rates =
6071 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
6072 params.supported_rates_len =
6073 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
6074 params.listen_interval =
6075 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
51b50fbe 6076
14f34e36
GG		 6077 if (info->attrs[NL80211_ATTR_VLAN_ID])
6078 params.vlan_id = nla_get_u16(info->attrs[NL80211_ATTR_VLAN_ID]);
6079
17b94247 6080 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]) {
ab0d76f6
JB		 6081 params.support_p2p_ps =
6082 nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
17b94247
AB		 6083 } else {
6084 /*
6085 * if not specified, assume it's supported for P2P GO interface,
6086 * and is NOT supported for AP interface
6087 */
6088 params.support_p2p_ps =
6089 dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO;
6090 }
6091
3d124ea2 6092 if (info->attrs[NL80211_ATTR_PEER_AID])
5e4b6f56 6093 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
3d124ea2
JM		 6094 else
6095 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
51b50fbe 6096
9d62a986
JM		 6097 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
6098 params.capability =
6099 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
6100 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
6101 }
6102
6103 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
6104 params.ext_capab =
6105 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
6106 params.ext_capab_len =
6107 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
6108 }
6109
36aedc90
JM		 6110 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
6111 params.ht_capa =
6112 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
5727ef1b 6113
f461be3e
MP		 6114 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
6115 params.vht_capa =
6116 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
6117
c4cbaf79
LC		 6118 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
6119 params.he_capa =
6120 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
6121 params.he_capa_len =
6122 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
6123
6124 /* max len is validated in nla policy */
6125 if (params.he_capa_len < NL80211_HE_MIN_CAPABILITY_LEN)
6126 return -EINVAL;
6127 }
6128
60f4a7b1
MK		 6129 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
6130 params.opmode_notif_used = true;
6131 params.opmode_notif =
6132 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
6133 }
6134
ab0d76f6 6135 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
96b78dff 6136 params.plink_action =
f8bacc21 6137 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
96b78dff 6138
36647055
THJ		 6139 if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
6140 params.airtime_weight =
6141 nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
6142
6143 if (params.airtime_weight &&
6144 !wiphy_ext_feature_isset(&rdev->wiphy,
6145 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
6146 return -EOPNOTSUPP;
6147
e96d1cd2
ARN		 6148 err = nl80211_parse_sta_txpower_setting(info, &params);
6149 if (err)
6150 return err;
6151
c01fc9ad
SD		 6152 err = nl80211_parse_sta_channel_info(info, &params);
6153 if (err)
6154 return err;
6155
ff276691
JB		 6156 err = nl80211_parse_sta_wme(info, &params);
6157 if (err)
6158 return err;
bdd90d5e 6159
bdd3ae3d 6160 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, &params))
5727ef1b
JB		 6161 return -EINVAL;
6162
496fcc29
JB		 6163 /* HT/VHT requires QoS, but if we don't have that just ignore HT/VHT
6164 * as userspace might just pass through the capabilities from the IEs
6165 * directly, rather than enforcing this restriction and returning an
6166 * error in this case.
6167 */
6168 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) {
6169 params.ht_capa = NULL;
6170 params.vht_capa = NULL;
c4cbaf79
LC		 6171
6172 /* HE requires WME */
6173 if (params.he_capa_len)
6174 return -EINVAL;
496fcc29
JB		 6175 }
6176
77ee7c89
JB		 6177 /* When you run into this, adjust the code below for the new flag */
6178 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
6179
bdd90d5e
JB		 6180 switch (dev->ieee80211_ptr->iftype) {
6181 case NL80211_IFTYPE_AP:
6182 case NL80211_IFTYPE_AP_VLAN:
6183 case NL80211_IFTYPE_P2P_GO:
984c311b
JB		 6184 /* ignore WME attributes if iface/sta is not capable */
6185 if (!(rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) ||
6186 !(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME)))
6187 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
c75786c9 6188
bdd90d5e 6189 /* TDLS peers cannot be added */
3d124ea2
JM		 6190 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
6191 info->attrs[NL80211_ATTR_PEER_AID])
4319e193 6192 return -EINVAL;
bdd90d5e
JB		 6193 /* but don't bother the driver with it */
6194 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
3b9ce80c 6195
d582cffb
JB		 6196 /* allow authenticated/associated only if driver handles it */
6197 if (!(rdev->wiphy.features &
6198 NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
bda95eb1 6199 params.sta_flags_mask & auth_assoc)
d582cffb
JB		 6200 return -EINVAL;
6201
bda95eb1
JB		 6202 /* Older userspace, or userspace wanting to be compatible with
6203 * !NL80211_FEATURE_FULL_AP_CLIENT_STATE, will not set the auth
6204 * and assoc flags in the mask, but assumes the station will be
6205 * added as associated anyway since this was the required driver
6206 * behaviour before NL80211_FEATURE_FULL_AP_CLIENT_STATE was
6207 * introduced.
6208 * In order to not bother drivers with this quirk in the API
6209 * set the flags in both the mask and set for new stations in
6210 * this case.
6211 */
6212 if (!(params.sta_flags_mask & auth_assoc)) {
6213 params.sta_flags_mask |= auth_assoc;
6214 params.sta_flags_set |= auth_assoc;
6215 }
6216
bdd90d5e
JB		 6217 /* must be last in here for error handling */
6218 params.vlan = get_vlan(info, rdev);
6219 if (IS_ERR(params.vlan))
6220 return PTR_ERR(params.vlan);
6221 break;
6222 case NL80211_IFTYPE_MESH_POINT:
984c311b
JB		 6223 /* ignore uAPSD data */
6224 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
6225
d582cffb
JB		 6226 /* associated is disallowed */
6227 if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED))
6228 return -EINVAL;
bdd90d5e 6229 /* TDLS peers cannot be added */
3d124ea2
JM		 6230 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
6231 info->attrs[NL80211_ATTR_PEER_AID])
bdd90d5e
JB		 6232 return -EINVAL;
6233 break;
6234 case NL80211_IFTYPE_STATION:
93d08f0b 6235 case NL80211_IFTYPE_P2P_CLIENT:
984c311b
JB		 6236 /* ignore uAPSD data */
6237 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
6238
77ee7c89
JB		 6239 /* these are disallowed */
6240 if (params.sta_flags_mask &
6241 (BIT(NL80211_STA_FLAG_ASSOCIATED) |
6242 BIT(NL80211_STA_FLAG_AUTHENTICATED)))
d582cffb 6243 return -EINVAL;
bdd90d5e
JB		 6244 /* Only TDLS peers can be added */
6245 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
6246 return -EINVAL;
6247 /* Can only add if TDLS ... */
6248 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS))
6249 return -EOPNOTSUPP;
6250 /* ... with external setup is supported */
6251 if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
6252 return -EOPNOTSUPP;
77ee7c89
JB		 6253 /*
6254 * Older wpa_supplicant versions always mark the TDLS peer
6255 * as authorized, but it shouldn't yet be.
6256 */
6257 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_AUTHORIZED);
bdd90d5e
JB		 6258 break;
6259 default:
6260 return -EOPNOTSUPP;
c75786c9
EP		 6261 }
6262
bdd90d5e 6263 /* be aware of params.vlan when changing code here */
5727ef1b 6264
e35e4d28 6265 err = rdev_add_station(rdev, dev, mac_addr, &params);
5727ef1b 6266
5727ef1b
JB		 6267 if (params.vlan)
6268 dev_put(params.vlan);
5727ef1b
JB		 6269 return err;
6270}
6271
6272static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info)
6273{
4c476991
JB		 6274 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6275 struct net_device *dev = info->user_ptr[1];
89c771e5
JM		 6276 struct station_del_parameters params;
6277
6278 memset(&params, 0, sizeof(params));
5727ef1b
JB		 6279
6280 if (info->attrs[NL80211_ATTR_MAC])
89c771e5 6281 params.mac = nla_data(info->attrs[NL80211_ATTR_MAC]);
5727ef1b 6282
e80cf853 6283 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
d5d9de02 6284 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
074ac8df 6285 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
4c476991
JB		 6286 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
6287 return -EINVAL;
5727ef1b 6288
4c476991
JB		 6289 if (!rdev->ops->del_station)
6290 return -EOPNOTSUPP;
3b85875a 6291
98856866
JM		 6292 if (info->attrs[NL80211_ATTR_MGMT_SUBTYPE]) {
6293 params.subtype =
6294 nla_get_u8(info->attrs[NL80211_ATTR_MGMT_SUBTYPE]);
6295 if (params.subtype != IEEE80211_STYPE_DISASSOC >> 4 &&
6296 params.subtype != IEEE80211_STYPE_DEAUTH >> 4)
6297 return -EINVAL;
6298 } else {
6299 /* Default to Deauthentication frame */
6300 params.subtype = IEEE80211_STYPE_DEAUTH >> 4;
6301 }
6302
6303 if (info->attrs[NL80211_ATTR_REASON_CODE]) {
6304 params.reason_code =
6305 nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
6306 if (params.reason_code == 0)
6307 return -EINVAL; /* 0 is reserved */
6308 } else {
6309 /* Default to reason code 2 */
6310 params.reason_code = WLAN_REASON_PREV_AUTH_NOT_VALID;
6311 }
6312
89c771e5 6313 return rdev_del_station(rdev, dev, &params);
5727ef1b
JB		 6314}
6315
15e47304 6316static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq,
2ec600d6
LCC		 6317 int flags, struct net_device *dev,
6318 u8 *dst, u8 *next_hop,
6319 struct mpath_info *pinfo)
6320{
6321 void *hdr;
6322 struct nlattr *pinfoattr;
6323
1ef4c850 6324 hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_MPATH);
2ec600d6
LCC		 6325 if (!hdr)
6326 return -1;
6327
9360ffd1
DM		 6328 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
6329 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
6330 nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) ||
6331 nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation))
6332 goto nla_put_failure;
f5ea9120 6333
ae0be8de 6334 pinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_MPATH_INFO);
2ec600d6
LCC		 6335 if (!pinfoattr)
6336 goto nla_put_failure;
9360ffd1
DM		 6337 if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) &&
6338 nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN,
6339 pinfo->frame_qlen))
6340 goto nla_put_failure;
6341 if (((pinfo->filled & MPATH_INFO_SN) &&
6342 nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) ||
6343 ((pinfo->filled & MPATH_INFO_METRIC) &&
6344 nla_put_u32(msg, NL80211_MPATH_INFO_METRIC,
6345 pinfo->metric)) ||
6346 ((pinfo->filled & MPATH_INFO_EXPTIME) &&
6347 nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME,
6348 pinfo->exptime)) ||
6349 ((pinfo->filled & MPATH_INFO_FLAGS) &&
6350 nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS,
6351 pinfo->flags)) ||
6352 ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) &&
6353 nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT,
6354 pinfo->discovery_timeout)) ||
6355 ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) &&
6356 nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES,
cc241636
JH		 6357 pinfo->discovery_retries)) ||
6358 ((pinfo->filled & MPATH_INFO_HOP_COUNT) &&
6359 nla_put_u8(msg, NL80211_MPATH_INFO_HOP_COUNT,
540bbcb9
JH		 6360 pinfo->hop_count)) ||
6361 ((pinfo->filled & MPATH_INFO_PATH_CHANGE) &&
6362 nla_put_u32(msg, NL80211_MPATH_INFO_PATH_CHANGE,
6363 pinfo->path_change_count)))
9360ffd1 6364 goto nla_put_failure;
2ec600d6
LCC		 6365
6366 nla_nest_end(msg, pinfoattr);
6367
053c095a
JB		 6368 genlmsg_end(msg, hdr);
6369 return 0;
2ec600d6
LCC		 6370
6371 nla_put_failure:
bc3ed28c
TG		 6372 genlmsg_cancel(msg, hdr);
6373 return -EMSGSIZE;
2ec600d6
LCC		 6374}
6375
6376static int nl80211_dump_mpath(struct sk_buff *skb,
bba95fef 6377 struct netlink_callback *cb)
2ec600d6 6378{
2ec600d6 6379 struct mpath_info pinfo;
1b8ec87a 6380 struct cfg80211_registered_device *rdev;
97990a06 6381 struct wireless_dev *wdev;
2ec600d6
LCC		 6382 u8 dst[ETH_ALEN];
6383 u8 next_hop[ETH_ALEN];
97990a06 6384 int path_idx = cb->args[2];
2ec600d6 6385 int err;
2ec600d6 6386
ea90e0dc 6387 rtnl_lock();
5297c65c 6388 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
67748893 6389 if (err)
ea90e0dc 6390 goto out_err;
bba95fef 6391
1b8ec87a 6392 if (!rdev->ops->dump_mpath) {
eec60b03 6393 err = -EOPNOTSUPP;
bba95fef
JB		 6394 goto out_err;
6395 }
6396
97990a06 6397 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
eec60b03 6398 err = -EOPNOTSUPP;
0448b5fc 6399 goto out_err;
eec60b03
JM		 6400 }
6401
bba95fef 6402 while (1) {
1b8ec87a 6403 err = rdev_dump_mpath(rdev, wdev->netdev, path_idx, dst,
97990a06 6404 next_hop, &pinfo);
bba95fef 6405 if (err == -ENOENT)
2ec600d6 6406 break;
bba95fef 6407 if (err)
3b85875a 6408 goto out_err;
2ec600d6 6409
15e47304 6410 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
bba95fef 6411 cb->nlh->nlmsg_seq, NLM_F_MULTI,
97990a06 6412 wdev->netdev, dst, next_hop,
bba95fef
JB		 6413 &pinfo) < 0)
6414 goto out;
2ec600d6 6415
bba95fef 6416 path_idx++;
2ec600d6 6417 }
2ec600d6 6418
bba95fef 6419 out:
97990a06 6420 cb->args[2] = path_idx;
bba95fef 6421 err = skb->len;
bba95fef 6422 out_err:
ea90e0dc 6423 rtnl_unlock();
bba95fef 6424 return err;
2ec600d6
LCC		 6425}
6426
6427static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info)
6428{
4c476991 6429 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2ec600d6 6430 int err;
4c476991 6431 struct net_device *dev = info->user_ptr[1];
2ec600d6
LCC		 6432 struct mpath_info pinfo;
6433 struct sk_buff *msg;
6434 u8 *dst = NULL;
6435 u8 next_hop[ETH_ALEN];
6436
6437 memset(&pinfo, 0, sizeof(pinfo));
6438
6439 if (!info->attrs[NL80211_ATTR_MAC])
6440 return -EINVAL;
6441
6442 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6443
4c476991
JB		 6444 if (!rdev->ops->get_mpath)
6445 return -EOPNOTSUPP;
2ec600d6 6446
4c476991
JB		 6447 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6448 return -EOPNOTSUPP;
eec60b03 6449
e35e4d28 6450 err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo);
2ec600d6 6451 if (err)
4c476991 6452 return err;
2ec600d6 6453
fd2120ca 6454 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
2ec600d6 6455 if (!msg)
4c476991 6456 return -ENOMEM;
2ec600d6 6457
15e47304 6458 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
4c476991
JB		 6459 dev, dst, next_hop, &pinfo) < 0) {
6460 nlmsg_free(msg);
6461 return -ENOBUFS;
6462 }
3b85875a 6463
4c476991 6464 return genlmsg_reply(msg, info);
2ec600d6
LCC		 6465}
6466
6467static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info)
6468{
4c476991
JB		 6469 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6470 struct net_device *dev = info->user_ptr[1];
2ec600d6
LCC		 6471 u8 *dst = NULL;
6472 u8 *next_hop = NULL;
6473
6474 if (!info->attrs[NL80211_ATTR_MAC])
6475 return -EINVAL;
6476
6477 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
6478 return -EINVAL;
6479
6480 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6481 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
6482
4c476991
JB		 6483 if (!rdev->ops->change_mpath)
6484 return -EOPNOTSUPP;
35a8efe1 6485
4c476991
JB		 6486 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6487 return -EOPNOTSUPP;
2ec600d6 6488
e35e4d28 6489 return rdev_change_mpath(rdev, dev, dst, next_hop);
2ec600d6 6490}
4c476991 6491
2ec600d6
LCC		 6492static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info)
6493{
4c476991
JB		 6494 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6495 struct net_device *dev = info->user_ptr[1];
2ec600d6
LCC		 6496 u8 *dst = NULL;
6497 u8 *next_hop = NULL;
6498
6499 if (!info->attrs[NL80211_ATTR_MAC])
6500 return -EINVAL;
6501
6502 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
6503 return -EINVAL;
6504
6505 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6506 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
6507
4c476991
JB		 6508 if (!rdev->ops->add_mpath)
6509 return -EOPNOTSUPP;
35a8efe1 6510
4c476991
JB		 6511 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6512 return -EOPNOTSUPP;
2ec600d6 6513
e35e4d28 6514 return rdev_add_mpath(rdev, dev, dst, next_hop);
2ec600d6
LCC		 6515}
6516
6517static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info)
6518{
4c476991
JB		 6519 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6520 struct net_device *dev = info->user_ptr[1];
2ec600d6
LCC		 6521 u8 *dst = NULL;
6522
6523 if (info->attrs[NL80211_ATTR_MAC])
6524 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6525
4c476991
JB		 6526 if (!rdev->ops->del_mpath)
6527 return -EOPNOTSUPP;
3b85875a 6528
b501426c
MP		 6529 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6530 return -EOPNOTSUPP;
6531
e35e4d28 6532 return rdev_del_mpath(rdev, dev, dst);
2ec600d6
LCC		 6533}
6534
66be7d2b
HR		 6535static int nl80211_get_mpp(struct sk_buff *skb, struct genl_info *info)
6536{
6537 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6538 int err;
6539 struct net_device *dev = info->user_ptr[1];
6540 struct mpath_info pinfo;
6541 struct sk_buff *msg;
6542 u8 *dst = NULL;
6543 u8 mpp[ETH_ALEN];
6544
6545 memset(&pinfo, 0, sizeof(pinfo));
6546
6547 if (!info->attrs[NL80211_ATTR_MAC])
6548 return -EINVAL;
6549
6550 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6551
6552 if (!rdev->ops->get_mpp)
6553 return -EOPNOTSUPP;
6554
6555 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6556 return -EOPNOTSUPP;
6557
6558 err = rdev_get_mpp(rdev, dev, dst, mpp, &pinfo);
6559 if (err)
6560 return err;
6561
6562 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6563 if (!msg)
6564 return -ENOMEM;
6565
6566 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
6567 dev, dst, mpp, &pinfo) < 0) {
6568 nlmsg_free(msg);
6569 return -ENOBUFS;
6570 }
6571
6572 return genlmsg_reply(msg, info);
6573}
6574
6575static int nl80211_dump_mpp(struct sk_buff *skb,
6576 struct netlink_callback *cb)
6577{
6578 struct mpath_info pinfo;
6579 struct cfg80211_registered_device *rdev;
6580 struct wireless_dev *wdev;
6581 u8 dst[ETH_ALEN];
6582 u8 mpp[ETH_ALEN];
6583 int path_idx = cb->args[2];
6584 int err;
6585
ea90e0dc 6586 rtnl_lock();
5297c65c 6587 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
66be7d2b 6588 if (err)
ea90e0dc 6589 goto out_err;
66be7d2b
HR		 6590
6591 if (!rdev->ops->dump_mpp) {
6592 err = -EOPNOTSUPP;
6593 goto out_err;
6594 }
6595
6596 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
6597 err = -EOPNOTSUPP;
6598 goto out_err;
6599 }
6600
6601 while (1) {
6602 err = rdev_dump_mpp(rdev, wdev->netdev, path_idx, dst,
6603 mpp, &pinfo);
6604 if (err == -ENOENT)
6605 break;
6606 if (err)
6607 goto out_err;
6608
6609 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
6610 cb->nlh->nlmsg_seq, NLM_F_MULTI,
6611 wdev->netdev, dst, mpp,
6612 &pinfo) < 0)
6613 goto out;
6614
6615 path_idx++;
6616 }
6617
6618 out:
6619 cb->args[2] = path_idx;
6620 err = skb->len;
6621 out_err:
ea90e0dc 6622 rtnl_unlock();
66be7d2b
HR		 6623 return err;
6624}
6625
9f1ba906
JM		 6626static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
6627{
4c476991
JB		 6628 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6629 struct net_device *dev = info->user_ptr[1];
c56589ed 6630 struct wireless_dev *wdev = dev->ieee80211_ptr;
9f1ba906 6631 struct bss_parameters params;
c56589ed 6632 int err;
9f1ba906
JM		 6633
6634 memset(&params, 0, sizeof(params));
6635 /* default to not changing parameters */
6636 params.use_cts_prot = -1;
6637 params.use_short_preamble = -1;
6638 params.use_short_slot_time = -1;
fd8aaaf3 6639 params.ap_isolate = -1;
50b12f59 6640 params.ht_opmode = -1;
53cabad7
JB		 6641 params.p2p_ctwindow = -1;
6642 params.p2p_opp_ps = -1;
9f1ba906
JM		 6643
6644 if (info->attrs[NL80211_ATTR_BSS_CTS_PROT])
6645 params.use_cts_prot =
6646 nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]);
6647 if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE])
6648 params.use_short_preamble =
6649 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]);
6650 if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME])
6651 params.use_short_slot_time =
6652 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]);
90c97a04
JM		 6653 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
6654 params.basic_rates =
6655 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
6656 params.basic_rates_len =
6657 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
6658 }
fd8aaaf3
FF		 6659 if (info->attrs[NL80211_ATTR_AP_ISOLATE])
6660 params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]);
50b12f59
HS		 6661 if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE])
6662 params.ht_opmode =
6663 nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]);
9f1ba906 6664
53cabad7
JB		 6665 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
6666 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
6667 return -EINVAL;
6668 params.p2p_ctwindow =
ab0d76f6 6669 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
53cabad7
JB		 6670 if (params.p2p_ctwindow != 0 &&
6671 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
6672 return -EINVAL;
6673 }
6674
6675 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
6676 u8 tmp;
6677
6678 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
6679 return -EINVAL;
6680 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
53cabad7
JB		 6681 params.p2p_opp_ps = tmp;
6682 if (params.p2p_opp_ps &&
6683 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
6684 return -EINVAL;
6685 }
6686
4c476991
JB		 6687 if (!rdev->ops->change_bss)
6688 return -EOPNOTSUPP;
9f1ba906 6689
074ac8df 6690 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4c476991
JB		 6691 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
6692 return -EOPNOTSUPP;
3b85875a 6693
c56589ed
SW		 6694 wdev_lock(wdev);
6695 err = rdev_change_bss(rdev, dev, &params);
6696 wdev_unlock(wdev);
6697
6698 return err;
9f1ba906
JM		 6699}
6700
b2e1b302
LR		 6701static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
6702{
b2e1b302 6703 char *data = NULL;
05050753 6704 bool is_indoor;
57b5ce07 6705 enum nl80211_user_reg_hint_type user_reg_hint_type;
05050753
I		 6706 u32 owner_nlportid;
6707
80778f18
LR		 6708 /*
6709 * You should only get this when cfg80211 hasn't yet initialized
6710 * completely when built-in to the kernel right between the time
6711 * window between nl80211_init() and regulatory_init(), if that is
6712 * even possible.
6713 */
458f4f9e 6714 if (unlikely(!rcu_access_pointer(cfg80211_regdomain)))
fe33eb39 6715 return -EINPROGRESS;
80778f18 6716
57b5ce07
LR		 6717 if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE])
6718 user_reg_hint_type =
6719 nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]);
6720 else
6721 user_reg_hint_type = NL80211_USER_REG_HINT_USER;
6722
6723 switch (user_reg_hint_type) {
6724 case NL80211_USER_REG_HINT_USER:
6725 case NL80211_USER_REG_HINT_CELL_BASE:
52616f2b
IP		 6726 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
6727 return -EINVAL;
6728
6729 data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
6730 return regulatory_hint_user(data, user_reg_hint_type);
6731 case NL80211_USER_REG_HINT_INDOOR:
05050753
I		 6732 if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
6733 owner_nlportid = info->snd_portid;
6734 is_indoor = !!info->attrs[NL80211_ATTR_REG_INDOOR];
6735 } else {
6736 owner_nlportid = 0;
6737 is_indoor = true;
6738 }
6739
6740 return regulatory_hint_indoor(is_indoor, owner_nlportid);
57b5ce07
LR		 6741 default:
6742 return -EINVAL;
6743 }
b2e1b302
LR		 6744}
6745
1ea4ff3e
JB		 6746static int nl80211_reload_regdb(struct sk_buff *skb, struct genl_info *info)
6747{
6748 return reg_reload_regdb();
6749}
6750
24bdd9f4 6751static int nl80211_get_mesh_config(struct sk_buff *skb,
29cbe68c 6752 struct genl_info *info)
93da9cc1 6753{
4c476991 6754 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4c476991 6755 struct net_device *dev = info->user_ptr[1];
29cbe68c
JB		 6756 struct wireless_dev *wdev = dev->ieee80211_ptr;
6757 struct mesh_config cur_params;
6758 int err = 0;
93da9cc1 6759 void *hdr;
6760 struct nlattr *pinfoattr;
6761 struct sk_buff *msg;
6762
29cbe68c
JB		 6763 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
6764 return -EOPNOTSUPP;
6765
24bdd9f4 6766 if (!rdev->ops->get_mesh_config)
4c476991 6767 return -EOPNOTSUPP;
f3f92586 6768
29cbe68c
JB		 6769 wdev_lock(wdev);
6770 /* If not connected, get default parameters */
6771 if (!wdev->mesh_id_len)
6772 memcpy(&cur_params, &default_mesh_config, sizeof(cur_params));
6773 else
e35e4d28 6774 err = rdev_get_mesh_config(rdev, dev, &cur_params);
29cbe68c
JB		 6775 wdev_unlock(wdev);
6776
93da9cc1 6777 if (err)
4c476991 6778 return err;
93da9cc1 6779
6780 /* Draw up a netlink message to send back */
fd2120ca 6781 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4c476991
JB		 6782 if (!msg)
6783 return -ENOMEM;
15e47304 6784 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
24bdd9f4 6785 NL80211_CMD_GET_MESH_CONFIG);
93da9cc1 6786 if (!hdr)
efe1cf0c 6787 goto out;
ae0be8de 6788 pinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_MESH_CONFIG);
93da9cc1 6789 if (!pinfoattr)
6790 goto nla_put_failure;
9360ffd1
DM		 6791 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
6792 nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT,
6793 cur_params.dot11MeshRetryTimeout) ||
6794 nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT,
6795 cur_params.dot11MeshConfirmTimeout) ||
6796 nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT,
6797 cur_params.dot11MeshHoldingTimeout) ||
6798 nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
6799 cur_params.dot11MeshMaxPeerLinks) ||
6800 nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES,
6801 cur_params.dot11MeshMaxRetries) ||
6802 nla_put_u8(msg, NL80211_MESHCONF_TTL,
6803 cur_params.dot11MeshTTL) ||
6804 nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL,
6805 cur_params.element_ttl) ||
6806 nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
6807 cur_params.auto_open_plinks) ||
7eab0f64
JL		 6808 nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
6809 cur_params.dot11MeshNbrOffsetMaxNeighbor) ||
9360ffd1
DM		 6810 nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
6811 cur_params.dot11MeshHWMPmaxPREQretries) ||
6812 nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME,
6813 cur_params.path_refresh_time) ||
6814 nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
6815 cur_params.min_discovery_timeout) ||
6816 nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
6817 cur_params.dot11MeshHWMPactivePathTimeout) ||
6818 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
6819 cur_params.dot11MeshHWMPpreqMinInterval) ||
6820 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
6821 cur_params.dot11MeshHWMPperrMinInterval) ||
6822 nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
6823 cur_params.dot11MeshHWMPnetDiameterTraversalTime) ||
6824 nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE,
6825 cur_params.dot11MeshHWMPRootMode) ||
6826 nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL,
6827 cur_params.dot11MeshHWMPRannInterval) ||
6828 nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
6829 cur_params.dot11MeshGateAnnouncementProtocol) ||
6830 nla_put_u8(msg, NL80211_MESHCONF_FORWARDING,
6831 cur_params.dot11MeshForwarding) ||
335d5349 6832 nla_put_s32(msg, NL80211_MESHCONF_RSSI_THRESHOLD,
70c33eaa
AN		 6833 cur_params.rssi_threshold) ||
6834 nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE,
ac1073a6
CYY		 6835 cur_params.ht_opmode) ||
6836 nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
6837 cur_params.dot11MeshHWMPactivePathToRootTimeout) ||
6838 nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
728b19e5
CYY		 6839 cur_params.dot11MeshHWMProotInterval) ||
6840 nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
3b1c5a53
MP		 6841 cur_params.dot11MeshHWMPconfirmationInterval) ||
6842 nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE,
6843 cur_params.power_mode) ||
6844 nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW,
8e7c0538
CT		 6845 cur_params.dot11MeshAwakeWindowDuration) ||
6846 nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT,
01d66fbd
BC		 6847 cur_params.plink_timeout) ||
6848 nla_put_u8(msg, NL80211_MESHCONF_CONNECTED_TO_GATE,
6849 cur_params.dot11MeshConnectedToMeshGate))
9360ffd1 6850 goto nla_put_failure;
93da9cc1 6851 nla_nest_end(msg, pinfoattr);
6852 genlmsg_end(msg, hdr);
4c476991 6853 return genlmsg_reply(msg, info);
93da9cc1 6854
3b85875a 6855 nla_put_failure:
efe1cf0c 6856 out:
d080e275 6857 nlmsg_free(msg);
4c476991 6858 return -ENOBUFS;
93da9cc1 6859}
6860
ab0d76f6
JB		 6861static const struct nla_policy
6862nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = {
6863 [NL80211_MESHCONF_RETRY_TIMEOUT] =
6864 NLA_POLICY_RANGE(NLA_U16, 1, 255),
6865 [NL80211_MESHCONF_CONFIRM_TIMEOUT] =
6866 NLA_POLICY_RANGE(NLA_U16, 1, 255),
6867 [NL80211_MESHCONF_HOLDING_TIMEOUT] =
6868 NLA_POLICY_RANGE(NLA_U16, 1, 255),
6869 [NL80211_MESHCONF_MAX_PEER_LINKS] =
6870 NLA_POLICY_RANGE(NLA_U16, 0, 255),
6871 [NL80211_MESHCONF_MAX_RETRIES] = NLA_POLICY_MAX(NLA_U8, 16),
6872 [NL80211_MESHCONF_TTL] = NLA_POLICY_MIN(NLA_U8, 1),
6873 [NL80211_MESHCONF_ELEMENT_TTL] = NLA_POLICY_MIN(NLA_U8, 1),
6874 [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = NLA_POLICY_MAX(NLA_U8, 1),
6875 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] =
6876 NLA_POLICY_RANGE(NLA_U32, 1, 255),
93da9cc1 6877 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 },
6878 [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 },
ab0d76f6 6879 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = NLA_POLICY_MIN(NLA_U16, 1),
93da9cc1 6880 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 },
ab0d76f6
JB		 6881 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] =
6882 NLA_POLICY_MIN(NLA_U16, 1),
6883 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] =
6884 NLA_POLICY_MIN(NLA_U16, 1),
6885 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] =
6886 NLA_POLICY_MIN(NLA_U16, 1),
6887 [NL80211_MESHCONF_HWMP_ROOTMODE] = NLA_POLICY_MAX(NLA_U8, 4),
6888 [NL80211_MESHCONF_HWMP_RANN_INTERVAL] =
6889 NLA_POLICY_MIN(NLA_U16, 1),
6890 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = NLA_POLICY_MAX(NLA_U8, 1),
6891 [NL80211_MESHCONF_FORWARDING] = NLA_POLICY_MAX(NLA_U8, 1),
6892 [NL80211_MESHCONF_RSSI_THRESHOLD] =
6893 NLA_POLICY_RANGE(NLA_S32, -255, 0),
a4f606ea 6894 [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 },
ac1073a6 6895 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 },
ab0d76f6
JB		 6896 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] =
6897 NLA_POLICY_MIN(NLA_U16, 1),
6898 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] =
6899 NLA_POLICY_MIN(NLA_U16, 1),
6900 [NL80211_MESHCONF_POWER_MODE] =
6901 NLA_POLICY_RANGE(NLA_U32,
6902 NL80211_MESH_POWER_ACTIVE,
6903 NL80211_MESH_POWER_MAX),
3b1c5a53 6904 [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 },
8e7c0538 6905 [NL80211_MESHCONF_PLINK_TIMEOUT] = { .type = NLA_U32 },
01d66fbd 6906 [NL80211_MESHCONF_CONNECTED_TO_GATE] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
93da9cc1 6907};
6908
c80d545d
JC		 6909static const struct nla_policy
6910 nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = {
d299a1f2 6911 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 },
c80d545d
JC		 6912 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 },
6913 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 },
15d5dda6 6914 [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG },
6e16d90b 6915 [NL80211_MESH_SETUP_AUTH_PROTOCOL] = { .type = NLA_U8 },
bb2798d4 6916 [NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG },
3d7af878
JB		 6917 [NL80211_MESH_SETUP_IE] =
6918 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
6919 IEEE80211_MAX_DATA_LEN),
b130e5ce 6920 [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG },
c80d545d
JC		 6921};
6922
24bdd9f4 6923static int nl80211_parse_mesh_config(struct genl_info *info,
bd90fdcc
JB		 6924 struct mesh_config *cfg,
6925 u32 *mask_out)
93da9cc1 6926{
93da9cc1 6927 struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1];
bd90fdcc 6928 u32 mask = 0;
9757235f 6929 u16 ht_opmode;
93da9cc1 6930
ab0d76f6
JB		 6931#define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, mask, attr, fn) \
6932do { \
6933 if (tb[attr]) { \
6934 cfg->param = fn(tb[attr]); \
6935 mask |= BIT((attr) - 1); \
6936 } \
ea54fba2 6937} while (0)
bd90fdcc 6938
24bdd9f4 6939 if (!info->attrs[NL80211_ATTR_MESH_CONFIG])
93da9cc1 6940 return -EINVAL;
8cb08174 6941 if (nla_parse_nested_deprecated(tb, NL80211_MESHCONF_ATTR_MAX, info->attrs[NL80211_ATTR_MESH_CONFIG], nl80211_meshconf_params_policy, info->extack))
93da9cc1 6942 return -EINVAL;
6943
93da9cc1 6944 /* This makes sure that there aren't more than 32 mesh config
6945 * parameters (otherwise our bitfield scheme would not work.) */
6946 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32);
6947
6948 /* Fill in the params struct */
ab0d76f6
JB		 6949 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, mask,
6950 NL80211_MESHCONF_RETRY_TIMEOUT, nla_get_u16);
6951 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, mask,
6952 NL80211_MESHCONF_CONFIRM_TIMEOUT,
6953 nla_get_u16);
6954 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, mask,
6955 NL80211_MESHCONF_HOLDING_TIMEOUT,
6956 nla_get_u16);
6957 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, mask,
6958 NL80211_MESHCONF_MAX_PEER_LINKS,
6959 nla_get_u16);
6960 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, mask,
6961 NL80211_MESHCONF_MAX_RETRIES, nla_get_u8);
6962 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, mask,
6963 NL80211_MESHCONF_TTL, nla_get_u8);
6964 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, mask,
6965 NL80211_MESHCONF_ELEMENT_TTL, nla_get_u8);
6966 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, mask,
6967 NL80211_MESHCONF_AUTO_OPEN_PLINKS,
6968 nla_get_u8);
ea54fba2 6969 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor,
ab0d76f6 6970 mask,
a4f606ea 6971 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
ab0d76f6
JB		 6972 nla_get_u32);
6973 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, mask,
6974 NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
6975 nla_get_u8);
6976 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, mask,
6977 NL80211_MESHCONF_PATH_REFRESH_TIME,
6978 nla_get_u32);
6979 if (mask & BIT(NL80211_MESHCONF_PATH_REFRESH_TIME) &&
6980 (cfg->path_refresh_time < 1 || cfg->path_refresh_time > 65535))
6981 return -EINVAL;
6982 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, mask,
6983 NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
6984 nla_get_u16);
ea54fba2 6985 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout,
ab0d76f6 6986 mask,
a4f606ea 6987 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
ab0d76f6
JB		 6988 nla_get_u32);
6989 if (mask & BIT(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT) &&
6990 (cfg->dot11MeshHWMPactivePathTimeout < 1 ||
6991 cfg->dot11MeshHWMPactivePathTimeout > 65535))
6992 return -EINVAL;
6993 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, mask,
ea54fba2 6994 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
ab0d76f6
JB		 6995 nla_get_u16);
6996 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval, mask,
ea54fba2 6997 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
ab0d76f6 6998 nla_get_u16);
93da9cc1 6999 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
ab0d76f6 7000 dot11MeshHWMPnetDiameterTraversalTime, mask,
a4f606ea 7001 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
ab0d76f6
JB		 7002 nla_get_u16);
7003 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, mask,
7004 NL80211_MESHCONF_HWMP_ROOTMODE, nla_get_u8);
7005 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, mask,
7006 NL80211_MESHCONF_HWMP_RANN_INTERVAL,
7007 nla_get_u16);
7008 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshGateAnnouncementProtocol,
ea54fba2 7009 mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
ab0d76f6
JB		 7010 nla_get_u8);
7011 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, mask,
7012 NL80211_MESHCONF_FORWARDING, nla_get_u8);
7013 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, mask,
7014 NL80211_MESHCONF_RSSI_THRESHOLD,
7015 nla_get_s32);
01d66fbd
BC		 7016 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConnectedToMeshGate, mask,
7017 NL80211_MESHCONF_CONNECTED_TO_GATE,
7018 nla_get_u8);
9757235f
MH		 7019 /*
7020 * Check HT operation mode based on
188f60ab 7021 * IEEE 802.11-2016 9.4.2.57 HT Operation element.
9757235f
MH		 7022 */
7023 if (tb[NL80211_MESHCONF_HT_OPMODE]) {
7024 ht_opmode = nla_get_u16(tb[NL80211_MESHCONF_HT_OPMODE]);
7025
7026 if (ht_opmode & ~(IEEE80211_HT_OP_MODE_PROTECTION |
7027 IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT |
7028 IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT))
7029 return -EINVAL;
7030
188f60ab
BC		 7031 /* NON_HT_STA bit is reserved, but some programs set it */
7032 ht_opmode &= ~IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT;
9757235f 7033
9757235f 7034 cfg->ht_opmode = ht_opmode;
fd551bac 7035 mask |= (1 << (NL80211_MESHCONF_HT_OPMODE - 1));
9757235f 7036 }
728b19e5 7037 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
ab0d76f6
JB		 7038 dot11MeshHWMPactivePathToRootTimeout, mask,
7039 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
7040 nla_get_u32);
7041 if (mask & BIT(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT) &&
7042 (cfg->dot11MeshHWMPactivePathToRootTimeout < 1 ||
7043 cfg->dot11MeshHWMPactivePathToRootTimeout > 65535))
7044 return -EINVAL;
7045 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, mask,
7046 NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
7047 nla_get_u16);
7048 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPconfirmationInterval,
7049 mask,
728b19e5 7050 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
ab0d76f6
JB		 7051 nla_get_u16);
7052 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode, mask,
7053 NL80211_MESHCONF_POWER_MODE, nla_get_u32);
7054 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration, mask,
7055 NL80211_MESHCONF_AWAKE_WINDOW, nla_get_u16);
7056 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, plink_timeout, mask,
7057 NL80211_MESHCONF_PLINK_TIMEOUT, nla_get_u32);
bd90fdcc
JB		 7058 if (mask_out)
7059 *mask_out = mask;
c80d545d 7060
bd90fdcc
JB		 7061 return 0;
7062
7063#undef FILL_IN_MESH_PARAM_IF_SET
7064}
7065
c80d545d
JC		 7066static int nl80211_parse_mesh_setup(struct genl_info *info,
7067 struct mesh_setup *setup)
7068{
bb2798d4 7069 struct cfg80211_registered_device *rdev = info->user_ptr[0];
c80d545d
JC		 7070 struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1];
7071
7072 if (!info->attrs[NL80211_ATTR_MESH_SETUP])
7073 return -EINVAL;
8cb08174 7074 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		 7075 return -EINVAL;
7076
d299a1f2
JC		 7077 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])
7078 setup->sync_method =
7079 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ?
7080 IEEE80211_SYNC_METHOD_VENDOR :
7081 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET;
7082
c80d545d
JC		 7083 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])
7084 setup->path_sel_proto =
7085 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ?
7086 IEEE80211_PATH_PROTOCOL_VENDOR :
7087 IEEE80211_PATH_PROTOCOL_HWMP;
7088
7089 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])
7090 setup->path_metric =
7091 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ?
7092 IEEE80211_PATH_METRIC_VENDOR :
7093 IEEE80211_PATH_METRIC_AIRTIME;
7094
581a8b0f 7095 if (tb[NL80211_MESH_SETUP_IE]) {
c80d545d 7096 struct nlattr *ieattr =
581a8b0f 7097 tb[NL80211_MESH_SETUP_IE];
581a8b0f
JC		 7098 setup->ie = nla_data(ieattr);
7099 setup->ie_len = nla_len(ieattr);
c80d545d 7100 }
bb2798d4
TP		 7101 if (tb[NL80211_MESH_SETUP_USERSPACE_MPM] &&
7102 !(rdev->wiphy.features & NL80211_FEATURE_USERSPACE_MPM))
7103 return -EINVAL;
7104 setup->user_mpm = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_MPM]);
b130e5ce
JC		 7105 setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]);
7106 setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]);
bb2798d4
TP		 7107 if (setup->is_secure)
7108 setup->user_mpm = true;
c80d545d 7109
6e16d90b
CT		 7110 if (tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]) {
7111 if (!setup->user_mpm)
7112 return -EINVAL;
7113 setup->auth_id =
7114 nla_get_u8(tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]);
7115 }
7116
c80d545d
JC		 7117 return 0;
7118}
7119
24bdd9f4 7120static int nl80211_update_mesh_config(struct sk_buff *skb,
29cbe68c 7121 struct genl_info *info)
bd90fdcc
JB		 7122{
7123 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7124 struct net_device *dev = info->user_ptr[1];
29cbe68c 7125 struct wireless_dev *wdev = dev->ieee80211_ptr;
bd90fdcc
JB		 7126 struct mesh_config cfg;
7127 u32 mask;
7128 int err;
7129
29cbe68c
JB		 7130 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
7131 return -EOPNOTSUPP;
7132
24bdd9f4 7133 if (!rdev->ops->update_mesh_config)
bd90fdcc
JB		 7134 return -EOPNOTSUPP;
7135
24bdd9f4 7136 err = nl80211_parse_mesh_config(info, &cfg, &mask);
bd90fdcc
JB		 7137 if (err)
7138 return err;
7139
29cbe68c
JB		 7140 wdev_lock(wdev);
7141 if (!wdev->mesh_id_len)
7142 err = -ENOLINK;
7143
7144 if (!err)
e35e4d28 7145 err = rdev_update_mesh_config(rdev, dev, mask, &cfg);
29cbe68c
JB		 7146
7147 wdev_unlock(wdev);
7148
7149 return err;
93da9cc1 7150}
7151
ad30ca2c
AN		 7152static int nl80211_put_regdom(const struct ieee80211_regdomain *regdom,
7153 struct sk_buff *msg)
f130347c 7154{
f130347c
LR		 7155 struct nlattr *nl_reg_rules;
7156 unsigned int i;
f130347c 7157
458f4f9e
JB		 7158 if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, regdom->alpha2) ||
7159 (regdom->dfs_region &&
7160 nla_put_u8(msg, NL80211_ATTR_DFS_REGION, regdom->dfs_region)))
ad30ca2c 7161 goto nla_put_failure;
458f4f9e 7162
ae0be8de 7163 nl_reg_rules = nla_nest_start_noflag(msg, NL80211_ATTR_REG_RULES);
f130347c 7164 if (!nl_reg_rules)
ad30ca2c 7165 goto nla_put_failure;
f130347c 7166
458f4f9e 7167 for (i = 0; i < regdom->n_reg_rules; i++) {
f130347c
LR		 7168 struct nlattr *nl_reg_rule;
7169 const struct ieee80211_reg_rule *reg_rule;
7170 const struct ieee80211_freq_range *freq_range;
7171 const struct ieee80211_power_rule *power_rule;
97524820 7172 unsigned int max_bandwidth_khz;
f130347c 7173
458f4f9e 7174 reg_rule = &regdom->reg_rules[i];
f130347c
LR		 7175 freq_range = &reg_rule->freq_range;
7176 power_rule = &reg_rule->power_rule;
7177
ae0be8de 7178 nl_reg_rule = nla_nest_start_noflag(msg, i);
f130347c 7179 if (!nl_reg_rule)
ad30ca2c 7180 goto nla_put_failure;
f130347c 7181
97524820
JD		 7182 max_bandwidth_khz = freq_range->max_bandwidth_khz;
7183 if (!max_bandwidth_khz)
7184 max_bandwidth_khz = reg_get_max_bandwidth(regdom,
7185 reg_rule);
7186
9360ffd1
DM		 7187 if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS,
7188 reg_rule->flags) ||
7189 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START,
7190 freq_range->start_freq_khz) ||
7191 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END,
7192 freq_range->end_freq_khz) ||
7193 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW,
97524820 7194 max_bandwidth_khz) ||
9360ffd1
DM		 7195 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN,
7196 power_rule->max_antenna_gain) ||
7197 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP,
089027e5
JD		 7198 power_rule->max_eirp) ||
7199 nla_put_u32(msg, NL80211_ATTR_DFS_CAC_TIME,
7200 reg_rule->dfs_cac_ms))
ad30ca2c 7201 goto nla_put_failure;
f130347c
LR		 7202
7203 nla_nest_end(msg, nl_reg_rule);
7204 }
7205
7206 nla_nest_end(msg, nl_reg_rules);
ad30ca2c
AN		 7207 return 0;
7208
7209nla_put_failure:
7210 return -EMSGSIZE;
7211}
7212
7213static int nl80211_get_reg_do(struct sk_buff *skb, struct genl_info *info)
7214{
7215 const struct ieee80211_regdomain *regdom = NULL;
7216 struct cfg80211_registered_device *rdev;
7217 struct wiphy *wiphy = NULL;
7218 struct sk_buff *msg;
7219 void *hdr;
7220
7221 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7222 if (!msg)
7223 return -ENOBUFS;
7224
7225 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
7226 NL80211_CMD_GET_REG);
7227 if (!hdr)
7228 goto put_failure;
7229
7230 if (info->attrs[NL80211_ATTR_WIPHY]) {
1bdd716c
AN		 7231 bool self_managed;
7232
ad30ca2c
AN		 7233 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
7234 if (IS_ERR(rdev)) {
7235 nlmsg_free(msg);
7236 return PTR_ERR(rdev);
7237 }
7238
7239 wiphy = &rdev->wiphy;
1bdd716c
AN		 7240 self_managed = wiphy->regulatory_flags &
7241 REGULATORY_WIPHY_SELF_MANAGED;
ad30ca2c
AN		 7242 regdom = get_wiphy_regdom(wiphy);
7243
1bdd716c
AN		 7244 /* a self-managed-reg device must have a private regdom */
7245 if (WARN_ON(!regdom && self_managed)) {
7246 nlmsg_free(msg);
7247 return -EINVAL;
7248 }
7249
ad30ca2c
AN		 7250 if (regdom &&
7251 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
7252 goto nla_put_failure;
7253 }
7254
7255 if (!wiphy && reg_last_request_cell_base() &&
7256 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
7257 NL80211_USER_REG_HINT_CELL_BASE))
7258 goto nla_put_failure;
7259
7260 rcu_read_lock();
7261
7262 if (!regdom)
7263 regdom = rcu_dereference(cfg80211_regdomain);
7264
7265 if (nl80211_put_regdom(regdom, msg))
7266 goto nla_put_failure_rcu;
7267
7268 rcu_read_unlock();
f130347c
LR		 7269
7270 genlmsg_end(msg, hdr);
5fe231e8 7271 return genlmsg_reply(msg, info);
f130347c 7272
458f4f9e
JB		 7273nla_put_failure_rcu:
7274 rcu_read_unlock();
f130347c 7275nla_put_failure:
efe1cf0c 7276put_failure:
d080e275 7277 nlmsg_free(msg);
5fe231e8 7278 return -EMSGSIZE;
f130347c
LR		 7279}
7280
ad30ca2c
AN		 7281static int nl80211_send_regdom(struct sk_buff *msg, struct netlink_callback *cb,
7282 u32 seq, int flags, struct wiphy *wiphy,
7283 const struct ieee80211_regdomain *regdom)
7284{
7285 void *hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
7286 NL80211_CMD_GET_REG);
7287
7288 if (!hdr)
7289 return -1;
7290
0a833c29 7291 genl_dump_check_consistent(cb, hdr);
ad30ca2c
AN		 7292
7293 if (nl80211_put_regdom(regdom, msg))
7294 goto nla_put_failure;
7295
7296 if (!wiphy && reg_last_request_cell_base() &&
7297 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
7298 NL80211_USER_REG_HINT_CELL_BASE))
7299 goto nla_put_failure;
7300
7301 if (wiphy &&
7302 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
7303 goto nla_put_failure;
7304
1bdd716c
AN		 7305 if (wiphy && wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
7306 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
7307 goto nla_put_failure;
7308
053c095a
JB		 7309 genlmsg_end(msg, hdr);
7310 return 0;
ad30ca2c
AN		 7311
7312nla_put_failure:
7313 genlmsg_cancel(msg, hdr);
7314 return -EMSGSIZE;
7315}
7316
7317static int nl80211_get_reg_dump(struct sk_buff *skb,
7318 struct netlink_callback *cb)
7319{
7320 const struct ieee80211_regdomain *regdom = NULL;
7321 struct cfg80211_registered_device *rdev;
7322 int err, reg_idx, start = cb->args[2];
7323
7324 rtnl_lock();
7325
7326 if (cfg80211_regdomain && start == 0) {
7327 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
7328 NLM_F_MULTI, NULL,
7329 rtnl_dereference(cfg80211_regdomain));
7330 if (err < 0)
7331 goto out_err;
7332 }
7333
7334 /* the global regdom is idx 0 */
7335 reg_idx = 1;
7336 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
7337 regdom = get_wiphy_regdom(&rdev->wiphy);
7338 if (!regdom)
7339 continue;
7340
7341 if (++reg_idx <= start)
7342 continue;
7343
7344 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
7345 NLM_F_MULTI, &rdev->wiphy, regdom);
7346 if (err < 0) {
7347 reg_idx--;
7348 break;
7349 }
7350 }
7351
7352 cb->args[2] = reg_idx;
7353 err = skb->len;
7354out_err:
7355 rtnl_unlock();
7356 return err;
7357}
7358
b6863036
JB		 7359#ifdef CONFIG_CFG80211_CRDA_SUPPORT
7360static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = {
7361 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
7362 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
7363 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
7364 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
7365 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
7366 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
7367 [NL80211_ATTR_DFS_CAC_TIME] = { .type = NLA_U32 },
7368};
7369
7370static int parse_reg_rule(struct nlattr *tb[],
7371 struct ieee80211_reg_rule *reg_rule)
7372{
7373 struct ieee80211_freq_range *freq_range = &reg_rule->freq_range;
7374 struct ieee80211_power_rule *power_rule = &reg_rule->power_rule;
7375
7376 if (!tb[NL80211_ATTR_REG_RULE_FLAGS])
7377 return -EINVAL;
7378 if (!tb[NL80211_ATTR_FREQ_RANGE_START])
7379 return -EINVAL;
7380 if (!tb[NL80211_ATTR_FREQ_RANGE_END])
7381 return -EINVAL;
7382 if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW])
7383 return -EINVAL;
7384 if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP])
7385 return -EINVAL;
7386
7387 reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]);
7388
7389 freq_range->start_freq_khz =
7390 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]);
7391 freq_range->end_freq_khz =
7392 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]);
7393 freq_range->max_bandwidth_khz =
7394 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]);
7395
7396 power_rule->max_eirp =
7397 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]);
7398
7399 if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN])
7400 power_rule->max_antenna_gain =
7401 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]);
7402
7403 if (tb[NL80211_ATTR_DFS_CAC_TIME])
7404 reg_rule->dfs_cac_ms =
7405 nla_get_u32(tb[NL80211_ATTR_DFS_CAC_TIME]);
7406
7407 return 0;
7408}
7409
b2e1b302
LR		 7410static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info)
7411{
7412 struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1];
7413 struct nlattr *nl_reg_rule;
ea372c54
JB		 7414 char *alpha2;
7415 int rem_reg_rules, r;
391d132c 7416 u32 num_rules = 0, rule_idx = 0;
4c7d3982 7417 enum nl80211_dfs_regions dfs_region = NL80211_DFS_UNSET;
ea372c54 7418 struct ieee80211_regdomain *rd;
b2e1b302
LR		 7419
7420 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
7421 return -EINVAL;
7422
7423 if (!info->attrs[NL80211_ATTR_REG_RULES])
7424 return -EINVAL;
7425
7426 alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
7427
8b60b078
LR		 7428 if (info->attrs[NL80211_ATTR_DFS_REGION])
7429 dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]);
7430
b2e1b302 7431 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
1a919318 7432 rem_reg_rules) {
b2e1b302
LR		 7433 num_rules++;
7434 if (num_rules > NL80211_MAX_SUPP_REG_RULES)
4776c6e7 7435 return -EINVAL;
b2e1b302
LR		 7436 }
7437
e438768f
LR		 7438 if (!reg_is_valid_request(alpha2))
7439 return -EINVAL;
7440
391d132c 7441 rd = kzalloc(struct_size(rd, reg_rules, num_rules), GFP_KERNEL);
6913b49a
JB		 7442 if (!rd)
7443 return -ENOMEM;
b2e1b302
LR		 7444
7445 rd->n_reg_rules = num_rules;
7446 rd->alpha2[0] = alpha2[0];
7447 rd->alpha2[1] = alpha2[1];
7448
8b60b078
LR		 7449 /*
7450 * Disable DFS master mode if the DFS region was
7451 * not supported or known on this kernel.
7452 */
7453 if (reg_supported_dfs_region(dfs_region))
7454 rd->dfs_region = dfs_region;
7455
b2e1b302 7456 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
1a919318 7457 rem_reg_rules) {
8cb08174
JB		 7458 r = nla_parse_nested_deprecated(tb, NL80211_REG_RULE_ATTR_MAX,
7459 nl_reg_rule, reg_rule_policy,
7460 info->extack);
ae811e21
JB		 7461 if (r)
7462 goto bad_reg;
b2e1b302
LR		 7463 r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]);
7464 if (r)
7465 goto bad_reg;
7466
7467 rule_idx++;
7468
d0e18f83
LR		 7469 if (rule_idx > NL80211_MAX_SUPP_REG_RULES) {
7470 r = -EINVAL;
b2e1b302 7471 goto bad_reg;
d0e18f83 7472 }
b2e1b302
LR		 7473 }
7474
06627990
JB		 7475 /* set_regdom takes ownership of rd */
7476 return set_regdom(rd, REGD_SOURCE_CRDA);
d2372b31 7477 bad_reg:
b2e1b302 7478 kfree(rd);
d0e18f83 7479 return r;
b2e1b302 7480}
b6863036 7481#endif /* CONFIG_CFG80211_CRDA_SUPPORT */
b2e1b302 7482
83f5e2cf
JB		 7483static int validate_scan_freqs(struct nlattr *freqs)
7484{
7485 struct nlattr *attr1, *attr2;
7486 int n_channels = 0, tmp1, tmp2;
7487
d7f13f74
SD		 7488 nla_for_each_nested(attr1, freqs, tmp1)
7489 if (nla_len(attr1) != sizeof(u32))
7490 return 0;
7491
83f5e2cf
JB		 7492 nla_for_each_nested(attr1, freqs, tmp1) {
7493 n_channels++;
7494 /*
7495 * Some hardware has a limited channel list for
7496 * scanning, and it is pretty much nonsensical
7497 * to scan for a channel twice, so disallow that
7498 * and don't require drivers to check that the
7499 * channel list they get isn't longer than what
7500 * they can scan, as long as they can scan all
7501 * the channels they registered at once.
7502 */
7503 nla_for_each_nested(attr2, freqs, tmp2)
7504 if (attr1 != attr2 &&
7505 nla_get_u32(attr1) == nla_get_u32(attr2))
7506 return 0;
7507 }
7508
7509 return n_channels;
7510}
7511
57fbcce3 7512static bool is_band_valid(struct wiphy *wiphy, enum nl80211_band b)
38de03d2 7513{
57fbcce3 7514 return b < NUM_NL80211_BANDS && wiphy->bands[b];
38de03d2
AS		 7515}
7516
7517static int parse_bss_select(struct nlattr *nla, struct wiphy *wiphy,
7518 struct cfg80211_bss_selection *bss_select)
7519{
7520 struct nlattr *attr[NL80211_BSS_SELECT_ATTR_MAX + 1];
7521 struct nlattr *nest;
7522 int err;
7523 bool found = false;
7524 int i;
7525
7526 /* only process one nested attribute */
7527 nest = nla_data(nla);
7528 if (!nla_ok(nest, nla_len(nest)))
7529 return -EINVAL;
7530
8cb08174
JB		 7531 err = nla_parse_nested_deprecated(attr, NL80211_BSS_SELECT_ATTR_MAX,
7532 nest, nl80211_bss_select_policy,
7533 NULL);
38de03d2
AS		 7534 if (err)
7535 return err;
7536
7537 /* only one attribute may be given */
7538 for (i = 0; i <= NL80211_BSS_SELECT_ATTR_MAX; i++) {
7539 if (attr[i]) {
7540 if (found)
7541 return -EINVAL;
7542 found = true;
7543 }
7544 }
7545
7546 bss_select->behaviour = __NL80211_BSS_SELECT_ATTR_INVALID;
7547
7548 if (attr[NL80211_BSS_SELECT_ATTR_RSSI])
7549 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI;
7550
7551 if (attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]) {
7552 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_BAND_PREF;
7553 bss_select->param.band_pref =
7554 nla_get_u32(attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]);
7555 if (!is_band_valid(wiphy, bss_select->param.band_pref))
7556 return -EINVAL;
7557 }
7558
7559 if (attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]) {
7560 struct nl80211_bss_select_rssi_adjust *adj_param;
7561
7562 adj_param = nla_data(attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]);
7563 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI_ADJUST;
7564 bss_select->param.adjust.band = adj_param->band;
7565 bss_select->param.adjust.delta = adj_param->delta;
7566 if (!is_band_valid(wiphy, bss_select->param.adjust.band))
7567 return -EINVAL;
7568 }
7569
7570 /* user-space did not provide behaviour attribute */
7571 if (bss_select->behaviour == __NL80211_BSS_SELECT_ATTR_INVALID)
7572 return -EINVAL;
7573
7574 if (!(wiphy->bss_select_support & BIT(bss_select->behaviour)))
7575 return -EINVAL;
7576
7577 return 0;
7578}
7579
9bb7e0f2
JB		 7580int nl80211_parse_random_mac(struct nlattr **attrs,
7581 u8 *mac_addr, u8 *mac_addr_mask)
ad2b26ab
JB		 7582{
7583 int i;
7584
7585 if (!attrs[NL80211_ATTR_MAC] && !attrs[NL80211_ATTR_MAC_MASK]) {
d2beae10
JP		 7586 eth_zero_addr(mac_addr);
7587 eth_zero_addr(mac_addr_mask);
ad2b26ab
JB		 7588 mac_addr[0] = 0x2;
7589 mac_addr_mask[0] = 0x3;
7590
7591 return 0;
7592 }
7593
7594 /* need both or none */
7595 if (!attrs[NL80211_ATTR_MAC] || !attrs[NL80211_ATTR_MAC_MASK])
7596 return -EINVAL;
7597
7598 memcpy(mac_addr, nla_data(attrs[NL80211_ATTR_MAC]), ETH_ALEN);
7599 memcpy(mac_addr_mask, nla_data(attrs[NL80211_ATTR_MAC_MASK]), ETH_ALEN);
7600
7601 /* don't allow or configure an mcast address */
7602 if (!is_multicast_ether_addr(mac_addr_mask) ||
7603 is_multicast_ether_addr(mac_addr))
7604 return -EINVAL;
7605
7606 /*
7607 * allow users to pass a MAC address that has bits set outside
7608 * of the mask, but don't bother drivers with having to deal
7609 * with such bits
7610 */
7611 for (i = 0; i < ETH_ALEN; i++)
7612 mac_addr[i] &= mac_addr_mask[i];
7613
7614 return 0;
7615}
7616
34373d12
VT		 7617static bool cfg80211_off_channel_oper_allowed(struct wireless_dev *wdev)
7618{
7619 ASSERT_WDEV_LOCK(wdev);
7620
7621 if (!cfg80211_beaconing_iface_active(wdev))
7622 return true;
7623
7624 if (!(wdev->chandef.chan->flags & IEEE80211_CHAN_RADAR))
7625 return true;
7626
7627 return regulatory_pre_cac_allowed(wdev->wiphy);
7628}
7629
db0a4ad8
JB		 7630static bool nl80211_check_scan_feat(struct wiphy *wiphy, u32 flags, u32 flag,
7631 enum nl80211_ext_feature_index feat)
7632{
7633 if (!(flags & flag))
7634 return true;
7635 if (wiphy_ext_feature_isset(wiphy, feat))
7636 return true;
7637 return false;
7638}
7639
2d23d073
RZ		 7640static int
7641nl80211_check_scan_flags(struct wiphy *wiphy, struct wireless_dev *wdev,
7642 void *request, struct nlattr **attrs,
7643 bool is_sched_scan)
7644{
7645 u8 *mac_addr, *mac_addr_mask;
7646 u32 *flags;
7647 enum nl80211_feature_flags randomness_flag;
7648
7649 if (!attrs[NL80211_ATTR_SCAN_FLAGS])
7650 return 0;
7651
7652 if (is_sched_scan) {
7653 struct cfg80211_sched_scan_request *req = request;
7654
7655 randomness_flag = wdev ?
7656 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR :
7657 NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
7658 flags = &req->flags;
7659 mac_addr = req->mac_addr;
7660 mac_addr_mask = req->mac_addr_mask;
7661 } else {
7662 struct cfg80211_scan_request *req = request;
7663
7664 randomness_flag = NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;
7665 flags = &req->flags;
7666 mac_addr = req->mac_addr;
7667 mac_addr_mask = req->mac_addr_mask;
7668 }
7669
7670 *flags = nla_get_u32(attrs[NL80211_ATTR_SCAN_FLAGS]);
7671
5037a009
SD		 7672 if (((*flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
7673 !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) ||
db0a4ad8
JB		 7674 !nl80211_check_scan_feat(wiphy, *flags,
7675 NL80211_SCAN_FLAG_LOW_SPAN,
7676 NL80211_EXT_FEATURE_LOW_SPAN_SCAN) ||
7677 !nl80211_check_scan_feat(wiphy, *flags,
7678 NL80211_SCAN_FLAG_LOW_POWER,
7679 NL80211_EXT_FEATURE_LOW_POWER_SCAN) ||
7680 !nl80211_check_scan_feat(wiphy, *flags,
7681 NL80211_SCAN_FLAG_HIGH_ACCURACY,
7682 NL80211_EXT_FEATURE_HIGH_ACCURACY_SCAN) ||
7683 !nl80211_check_scan_feat(wiphy, *flags,
7684 NL80211_SCAN_FLAG_FILS_MAX_CHANNEL_TIME,
7685 NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME) ||
7686 !nl80211_check_scan_feat(wiphy, *flags,
7687 NL80211_SCAN_FLAG_ACCEPT_BCAST_PROBE_RESP,
7688 NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP) ||
7689 !nl80211_check_scan_feat(wiphy, *flags,
7690 NL80211_SCAN_FLAG_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION,
7691 NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION) ||
7692 !nl80211_check_scan_feat(wiphy, *flags,
7693 NL80211_SCAN_FLAG_OCE_PROBE_REQ_HIGH_TX_RATE,
2e076f19
JB		 7694 NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE) ||
7695 !nl80211_check_scan_feat(wiphy, *flags,
7696 NL80211_SCAN_FLAG_RANDOM_SN,
7697 NL80211_EXT_FEATURE_SCAN_RANDOM_SN) ||
7698 !nl80211_check_scan_feat(wiphy, *flags,
7699 NL80211_SCAN_FLAG_MIN_PREQ_CONTENT,
7700 NL80211_EXT_FEATURE_SCAN_MIN_PREQ_CONTENT))
2d23d073
RZ		 7701 return -EOPNOTSUPP;
7702
7703 if (*flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
7704 int err;
7705
7706 if (!(wiphy->features & randomness_flag) ||
7707 (wdev && wdev->current_bss))
7708 return -EOPNOTSUPP;
7709
7710 err = nl80211_parse_random_mac(attrs, mac_addr, mac_addr_mask);
7711 if (err)
7712 return err;
7713 }
7714
2d23d073
RZ		 7715 return 0;
7716}
7717
2a519311
JB		 7718static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
7719{
4c476991 7720 struct cfg80211_registered_device *rdev = info->user_ptr[0];
fd014284 7721 struct wireless_dev *wdev = info->user_ptr[1];
2a519311 7722 struct cfg80211_scan_request *request;
2a519311
JB		 7723 struct nlattr *attr;
7724 struct wiphy *wiphy;
83f5e2cf 7725 int err, tmp, n_ssids = 0, n_channels, i;
70692ad2 7726 size_t ie_len;
2a519311 7727
79c97e97 7728 wiphy = &rdev->wiphy;
2a519311 7729
cb3b7d87
AB		 7730 if (wdev->iftype == NL80211_IFTYPE_NAN)
7731 return -EOPNOTSUPP;
7732
4c476991
JB		 7733 if (!rdev->ops->scan)
7734 return -EOPNOTSUPP;
2a519311 7735
f9d15d16 7736 if (rdev->scan_req || rdev->scan_msg) {
f9f47529
JB		 7737 err = -EBUSY;
7738 goto unlock;
7739 }
2a519311
JB		 7740
7741 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
83f5e2cf
JB		 7742 n_channels = validate_scan_freqs(
7743 info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
f9f47529
JB		 7744 if (!n_channels) {
7745 err = -EINVAL;
7746 goto unlock;
7747 }
2a519311 7748 } else {
bdfbec2d 7749 n_channels = ieee80211_get_num_supported_channels(wiphy);
2a519311
JB		 7750 }
7751
7752 if (info->attrs[NL80211_ATTR_SCAN_SSIDS])
7753 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp)
7754 n_ssids++;
7755
f9f47529
JB		 7756 if (n_ssids > wiphy->max_scan_ssids) {
7757 err = -EINVAL;
7758 goto unlock;
7759 }
2a519311 7760
70692ad2
JM		 7761 if (info->attrs[NL80211_ATTR_IE])
7762 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
7763 else
7764 ie_len = 0;
7765
f9f47529
JB		 7766 if (ie_len > wiphy->max_scan_ie_len) {
7767 err = -EINVAL;
7768 goto unlock;
7769 }
18a83659 7770
2a519311 7771 request = kzalloc(sizeof(*request)
a2cd43c5
LC		 7772 + sizeof(*request->ssids) * n_ssids
7773 + sizeof(*request->channels) * n_channels
70692ad2 7774 + ie_len, GFP_KERNEL);
f9f47529
JB		 7775 if (!request) {
7776 err = -ENOMEM;
7777 goto unlock;
7778 }
2a519311 7779
2a519311 7780 if (n_ssids)
5ba63533 7781 request->ssids = (void *)&request->channels[n_channels];
2a519311 7782 request->n_ssids = n_ssids;
70692ad2 7783 if (ie_len) {
13874e4b 7784 if (n_ssids)
70692ad2
JM		 7785 request->ie = (void *)(request->ssids + n_ssids);
7786 else
7787 request->ie = (void *)(request->channels + n_channels);
7788 }
2a519311 7789
584991dc 7790 i = 0;
2a519311
JB		 7791 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
7792 /* user specified, bail out if channel not found */
2a519311 7793 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) {
584991dc
JB		 7794 struct ieee80211_channel *chan;
7795
7796 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
7797
7798 if (!chan) {
2a519311
JB		 7799 err = -EINVAL;
7800 goto out_free;
7801 }
584991dc
JB		 7802
7803 /* ignore disabled channels */
7804 if (chan->flags & IEEE80211_CHAN_DISABLED)
7805 continue;
7806
7807 request->channels[i] = chan;
2a519311
JB		 7808 i++;
7809 }
7810 } else {
57fbcce3 7811 enum nl80211_band band;
34850ab2 7812
2a519311 7813 /* all channels */
57fbcce3 7814 for (band = 0; band < NUM_NL80211_BANDS; band++) {
2a519311 7815 int j;
7a087e74 7816
2a519311
JB		 7817 if (!wiphy->bands[band])
7818 continue;
7819 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
584991dc
JB		 7820 struct ieee80211_channel *chan;
7821
7822 chan = &wiphy->bands[band]->channels[j];
7823
7824 if (chan->flags & IEEE80211_CHAN_DISABLED)
7825 continue;
7826
7827 request->channels[i] = chan;
2a519311
JB		 7828 i++;
7829 }
7830 }
7831 }
7832
584991dc
JB		 7833 if (!i) {
7834 err = -EINVAL;
7835 goto out_free;
7836 }
7837
7838 request->n_channels = i;
7839
34373d12
VT		 7840 wdev_lock(wdev);
7841 if (!cfg80211_off_channel_oper_allowed(wdev)) {
7842 struct ieee80211_channel *chan;
7843
7844 if (request->n_channels != 1) {
7845 wdev_unlock(wdev);
7846 err = -EBUSY;
7847 goto out_free;
7848 }
7849
7850 chan = request->channels[0];
7851 if (chan->center_freq != wdev->chandef.chan->center_freq) {
7852 wdev_unlock(wdev);
7853 err = -EBUSY;
7854 goto out_free;
7855 }
7856 }
7857 wdev_unlock(wdev);
7858
2a519311 7859 i = 0;
13874e4b 7860 if (n_ssids) {
2a519311 7861 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) {
57a27e1d 7862 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
2a519311
JB		 7863 err = -EINVAL;
7864 goto out_free;
7865 }
57a27e1d 7866 request->ssids[i].ssid_len = nla_len(attr);
2a519311 7867 memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr));
2a519311
JB		 7868 i++;
7869 }
7870 }
7871
70692ad2
JM		 7872 if (info->attrs[NL80211_ATTR_IE]) {
7873 request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
de95a54b
JB		 7874 memcpy((void *)request->ie,
7875 nla_data(info->attrs[NL80211_ATTR_IE]),
70692ad2
JM		 7876 request->ie_len);
7877 }
7878
57fbcce3 7879 for (i = 0; i < NUM_NL80211_BANDS; i++)
a401d2bb
JB		 7880 if (wiphy->bands[i])
7881 request->rates[i] =
7882 (1 << wiphy->bands[i]->n_bitrates) - 1;
34850ab2
JB		 7883
7884 if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) {
7885 nla_for_each_nested(attr,
7886 info->attrs[NL80211_ATTR_SCAN_SUPP_RATES],
7887 tmp) {
57fbcce3 7888 enum nl80211_band band = nla_type(attr);
34850ab2 7889
57fbcce3 7890 if (band < 0 || band >= NUM_NL80211_BANDS) {
34850ab2
JB		 7891 err = -EINVAL;
7892 goto out_free;
7893 }
1b09cd82
FF		 7894
7895 if (!wiphy->bands[band])
7896 continue;
7897
34850ab2
JB		 7898 err = ieee80211_get_ratemask(wiphy->bands[band],
7899 nla_data(attr),
7900 nla_len(attr),
7901 &request->rates[band]);
7902 if (err)
7903 goto out_free;
7904 }
7905 }
7906
1d76250b
AS		 7907 if (info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]) {
7908 if (!wiphy_ext_feature_isset(wiphy,
7909 NL80211_EXT_FEATURE_SET_SCAN_DWELL)) {
7910 err = -EOPNOTSUPP;
7911 goto out_free;
7912 }
7913
7914 request->duration =
7915 nla_get_u16(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]);
7916 request->duration_mandatory =
7917 nla_get_flag(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY]);
7918 }
7919
2d23d073
RZ		 7920 err = nl80211_check_scan_flags(wiphy, wdev, request, info->attrs,
7921 false);
7922 if (err)
7923 goto out_free;
ed473771 7924
e9f935e3
RM		 7925 request->no_cck =
7926 nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
7927
2fa436b3
VK		 7928 /* Initial implementation used NL80211_ATTR_MAC to set the specific
7929 * BSSID to scan for. This was problematic because that same attribute
7930 * was already used for another purpose (local random MAC address). The
7931 * NL80211_ATTR_BSSID attribute was added to fix this. For backwards
7932 * compatibility with older userspace components, also use the
7933 * NL80211_ATTR_MAC value here if it can be determined to be used for
7934 * the specific BSSID use case instead of the random MAC address
7935 * (NL80211_ATTR_SCAN_FLAGS is used to enable random MAC address use).
7936 */
7937 if (info->attrs[NL80211_ATTR_BSSID])
7938 memcpy(request->bssid,
7939 nla_data(info->attrs[NL80211_ATTR_BSSID]), ETH_ALEN);
7940 else if (!(request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) &&
7941 info->attrs[NL80211_ATTR_MAC])
818965d3
JM		 7942 memcpy(request->bssid, nla_data(info->attrs[NL80211_ATTR_MAC]),
7943 ETH_ALEN);
7944 else
7945 eth_broadcast_addr(request->bssid);
7946
fd014284 7947 request->wdev = wdev;
79c97e97 7948 request->wiphy = &rdev->wiphy;
15d6030b 7949 request->scan_start = jiffies;
2a519311 7950
79c97e97 7951 rdev->scan_req = request;
e35e4d28 7952 err = rdev_scan(rdev, request);
2a519311 7953
463d0183 7954 if (!err) {
fd014284
JB		 7955 nl80211_send_scan_start(rdev, wdev);
7956 if (wdev->netdev)
7957 dev_hold(wdev->netdev);
4c476991 7958 } else {
2a519311 7959 out_free:
79c97e97 7960 rdev->scan_req = NULL;
2a519311
JB		 7961 kfree(request);
7962 }
3b85875a 7963
f9f47529 7964 unlock:
2a519311
JB		 7965 return err;
7966}
7967
91d3ab46
VK		 7968static int nl80211_abort_scan(struct sk_buff *skb, struct genl_info *info)
7969{
7970 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7971 struct wireless_dev *wdev = info->user_ptr[1];
7972
7973 if (!rdev->ops->abort_scan)
7974 return -EOPNOTSUPP;
7975
7976 if (rdev->scan_msg)
7977 return 0;
7978
7979 if (!rdev->scan_req)
7980 return -ENOENT;
7981
7982 rdev_abort_scan(rdev, wdev);
7983 return 0;
7984}
7985
3b06d277
AS		 7986static int
7987nl80211_parse_sched_scan_plans(struct wiphy *wiphy, int n_plans,
7988 struct cfg80211_sched_scan_request *request,
7989 struct nlattr **attrs)
7990{
7991 int tmp, err, i = 0;
7992 struct nlattr *attr;
7993
7994 if (!attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
7995 u32 interval;
7996
7997 /*
7998 * If scan plans are not specified,
5a88de53 7999 * %NL80211_ATTR_SCHED_SCAN_INTERVAL will be specified. In this
3b06d277
AS		 8000 * case one scan plan will be set with the specified scan
8001 * interval and infinite number of iterations.
8002 */
3b06d277
AS		 8003 interval = nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]);
8004 if (!interval)
8005 return -EINVAL;
8006
8007 request->scan_plans[0].interval =
8008 DIV_ROUND_UP(interval, MSEC_PER_SEC);
8009 if (!request->scan_plans[0].interval)
8010 return -EINVAL;
8011
8012 if (request->scan_plans[0].interval >
8013 wiphy->max_sched_scan_plan_interval)
8014 request->scan_plans[0].interval =
8015 wiphy->max_sched_scan_plan_interval;
8016
8017 return 0;
8018 }
8019
8020 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp) {
8021 struct nlattr *plan[NL80211_SCHED_SCAN_PLAN_MAX + 1];
8022
8023 if (WARN_ON(i >= n_plans))
8024 return -EINVAL;
8025
8cb08174
JB		 8026 err = nla_parse_nested_deprecated(plan,
8027 NL80211_SCHED_SCAN_PLAN_MAX,
8028 attr, nl80211_plan_policy,
8029 NULL);
3b06d277
AS		 8030 if (err)
8031 return err;
8032
8033 if (!plan[NL80211_SCHED_SCAN_PLAN_INTERVAL])
8034 return -EINVAL;
8035
8036 request->scan_plans[i].interval =
8037 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_INTERVAL]);
8038 if (!request->scan_plans[i].interval ||
8039 request->scan_plans[i].interval >
8040 wiphy->max_sched_scan_plan_interval)
8041 return -EINVAL;
8042
8043 if (plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]) {
8044 request->scan_plans[i].iterations =
8045 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]);
8046 if (!request->scan_plans[i].iterations ||
8047 (request->scan_plans[i].iterations >
8048 wiphy->max_sched_scan_plan_iterations))
8049 return -EINVAL;
8050 } else if (i < n_plans - 1) {
8051 /*
8052 * All scan plans but the last one must specify
8053 * a finite number of iterations
8054 */
8055 return -EINVAL;
8056 }
8057
8058 i++;
8059 }
8060
8061 /*
8062 * The last scan plan must not specify the number of
8063 * iterations, it is supposed to run infinitely
8064 */
8065 if (request->scan_plans[n_plans - 1].iterations)
8066 return -EINVAL;
8067
8068 return 0;
8069}
8070
1e1b11b6 8071static int
8072nl80211_parse_sched_scan_per_band_rssi(struct wiphy *wiphy,
8073 struct cfg80211_match_set *match_sets,
8074 struct nlattr *tb_band_rssi,
8075 s32 rssi_thold)
8076{
8077 struct nlattr *attr;
8078 int i, tmp, ret = 0;
8079
8080 if (!wiphy_ext_feature_isset(wiphy,
8081 NL80211_EXT_FEATURE_SCHED_SCAN_BAND_SPECIFIC_RSSI_THOLD)) {
8082 if (tb_band_rssi)
8083 ret = -EOPNOTSUPP;
8084 else
8085 for (i = 0; i < NUM_NL80211_BANDS; i++)
8086 match_sets->per_band_rssi_thold[i] =
8087 NL80211_SCAN_RSSI_THOLD_OFF;
8088 return ret;
8089 }
8090
8091 for (i = 0; i < NUM_NL80211_BANDS; i++)
8092 match_sets->per_band_rssi_thold[i] = rssi_thold;
8093
8094 nla_for_each_nested(attr, tb_band_rssi, tmp) {
8095 enum nl80211_band band = nla_type(attr);
8096
8097 if (band < 0 || band >= NUM_NL80211_BANDS)
8098 return -EINVAL;
8099
8100 match_sets->per_band_rssi_thold[band] = nla_get_s32(attr);
8101 }
8102
8103 return 0;
8104}
8105
256da02d 8106static struct cfg80211_sched_scan_request *
ad2b26ab 8107nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev,
aad1e812 8108 struct nlattr **attrs, int max_match_sets)
807f8a8c
LC		 8109{
8110 struct cfg80211_sched_scan_request *request;
807f8a8c 8111 struct nlattr *attr;
3b06d277 8112 int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i, n_plans = 0;
57fbcce3 8113 enum nl80211_band band;
807f8a8c 8114 size_t ie_len;
a1f1c21c 8115 struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1];
ea73cbce 8116 s32 default_match_rssi = NL80211_SCAN_RSSI_THOLD_OFF;
807f8a8c 8117
256da02d 8118 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
807f8a8c 8119 n_channels = validate_scan_freqs(
256da02d 8120 attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
807f8a8c 8121 if (!n_channels)
256da02d 8122 return ERR_PTR(-EINVAL);
807f8a8c 8123 } else {
bdfbec2d 8124 n_channels = ieee80211_get_num_supported_channels(wiphy);
807f8a8c
LC		 8125 }
8126
256da02d
LC		 8127 if (attrs[NL80211_ATTR_SCAN_SSIDS])
8128 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
807f8a8c
LC		 8129 tmp)
8130 n_ssids++;
8131
93b6aa69 8132 if (n_ssids > wiphy->max_sched_scan_ssids)
256da02d 8133 return ERR_PTR(-EINVAL);
807f8a8c 8134
ea73cbce
JB		 8135 /*
8136 * First, count the number of 'real' matchsets. Due to an issue with
8137 * the old implementation, matchsets containing only the RSSI attribute
8138 * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default'
8139 * RSSI for all matchsets, rather than their own matchset for reporting
8140 * all APs with a strong RSSI. This is needed to be compatible with
8141 * older userspace that treated a matchset with only the RSSI as the
8142 * global RSSI for all other matchsets - if there are other matchsets.
8143 */
256da02d 8144 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
a1f1c21c 8145 nla_for_each_nested(attr,
256da02d 8146 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
ea73cbce
JB		 8147 tmp) {
8148 struct nlattr *rssi;
8149
8cb08174
JB		 8150 err = nla_parse_nested_deprecated(tb,
8151 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
8152 attr,
8153 nl80211_match_policy,
8154 NULL);
ea73cbce 8155 if (err)
256da02d 8156 return ERR_PTR(err);
3007e352
AVS		 8157
8158 /* SSID and BSSID are mutually exclusive */
8159 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] &&
8160 tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID])
8161 return ERR_PTR(-EINVAL);
8162
ea73cbce 8163 /* add other standalone attributes here */
3007e352
AVS		 8164 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] ||
8165 tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID]) {
ea73cbce
JB		 8166 n_match_sets++;
8167 continue;
8168 }
8169 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
8170 if (rssi)
8171 default_match_rssi = nla_get_s32(rssi);
8172 }
8173 }
8174
8175 /* However, if there's no other matchset, add the RSSI one */
8176 if (!n_match_sets && default_match_rssi != NL80211_SCAN_RSSI_THOLD_OFF)
8177 n_match_sets = 1;
a1f1c21c 8178
aad1e812 8179 if (n_match_sets > max_match_sets)
256da02d 8180 return ERR_PTR(-EINVAL);
a1f1c21c 8181
256da02d
LC		 8182 if (attrs[NL80211_ATTR_IE])
8183 ie_len = nla_len(attrs[NL80211_ATTR_IE]);
807f8a8c
LC		 8184 else
8185 ie_len = 0;
8186
5a865bad 8187 if (ie_len > wiphy->max_sched_scan_ie_len)
256da02d 8188 return ERR_PTR(-EINVAL);
c10841ca 8189
3b06d277
AS		 8190 if (attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
8191 /*
8192 * NL80211_ATTR_SCHED_SCAN_INTERVAL must not be specified since
8193 * each scan plan already specifies its own interval
8194 */
8195 if (attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
8196 return ERR_PTR(-EINVAL);
8197
8198 nla_for_each_nested(attr,
8199 attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp)
8200 n_plans++;
8201 } else {
8202 /*
8203 * The scan interval attribute is kept for backward
8204 * compatibility. If no scan plans are specified and sched scan
8205 * interval is specified, one scan plan will be set with this
8206 * scan interval and infinite number of iterations.
8207 */
8208 if (!attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
8209 return ERR_PTR(-EINVAL);
8210
8211 n_plans = 1;
8212 }
8213
8214 if (!n_plans || n_plans > wiphy->max_sched_scan_plans)
8215 return ERR_PTR(-EINVAL);
8216
bf95ecdb 8217 if (!wiphy_ext_feature_isset(
8218 wiphy, NL80211_EXT_FEATURE_SCHED_SCAN_RELATIVE_RSSI) &&
8219 (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] ||
8220 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]))
8221 return ERR_PTR(-EINVAL);
8222
807f8a8c 8223 request = kzalloc(sizeof(*request)
a2cd43c5 8224 + sizeof(*request->ssids) * n_ssids
a1f1c21c 8225 + sizeof(*request->match_sets) * n_match_sets
3b06d277 8226 + sizeof(*request->scan_plans) * n_plans
a2cd43c5 8227 + sizeof(*request->channels) * n_channels
807f8a8c 8228 + ie_len, GFP_KERNEL);
256da02d
LC		 8229 if (!request)
8230 return ERR_PTR(-ENOMEM);
807f8a8c
LC		 8231
8232 if (n_ssids)
8233 request->ssids = (void *)&request->channels[n_channels];
8234 request->n_ssids = n_ssids;
8235 if (ie_len) {
13874e4b 8236 if (n_ssids)
807f8a8c
LC		 8237 request->ie = (void *)(request->ssids + n_ssids);
8238 else
8239 request->ie = (void *)(request->channels + n_channels);
8240 }
8241
a1f1c21c
LC		 8242 if (n_match_sets) {
8243 if (request->ie)
8244 request->match_sets = (void *)(request->ie + ie_len);
13874e4b 8245 else if (n_ssids)
a1f1c21c
LC		 8246 request->match_sets =
8247 (void *)(request->ssids + n_ssids);
8248 else
8249 request->match_sets =
8250 (void *)(request->channels + n_channels);
8251 }
8252 request->n_match_sets = n_match_sets;
8253
3b06d277
AS		 8254 if (n_match_sets)
8255 request->scan_plans = (void *)(request->match_sets +
8256 n_match_sets);
8257 else if (request->ie)
8258 request->scan_plans = (void *)(request->ie + ie_len);
8259 else if (n_ssids)
8260 request->scan_plans = (void *)(request->ssids + n_ssids);
8261 else
8262 request->scan_plans = (void *)(request->channels + n_channels);
8263
8264 request->n_scan_plans = n_plans;
8265
807f8a8c 8266 i = 0;
256da02d 8267 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
807f8a8c
LC		 8268 /* user specified, bail out if channel not found */
8269 nla_for_each_nested(attr,
256da02d 8270 attrs[NL80211_ATTR_SCAN_FREQUENCIES],
807f8a8c
LC		 8271 tmp) {
8272 struct ieee80211_channel *chan;
8273
8274 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
8275
8276 if (!chan) {
8277 err = -EINVAL;
8278 goto out_free;
8279 }
8280
8281 /* ignore disabled channels */
8282 if (chan->flags & IEEE80211_CHAN_DISABLED)
8283 continue;
8284
8285 request->channels[i] = chan;
8286 i++;
8287 }
8288 } else {
8289 /* all channels */
57fbcce3 8290 for (band = 0; band < NUM_NL80211_BANDS; band++) {
807f8a8c 8291 int j;
7a087e74 8292
807f8a8c
LC		 8293 if (!wiphy->bands[band])
8294 continue;
8295 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
8296 struct ieee80211_channel *chan;
8297
8298 chan = &wiphy->bands[band]->channels[j];
8299
8300 if (chan->flags & IEEE80211_CHAN_DISABLED)
8301 continue;
8302
8303 request->channels[i] = chan;
8304 i++;
8305 }
8306 }
8307 }
8308
8309 if (!i) {
8310 err = -EINVAL;
8311 goto out_free;
8312 }
8313
8314 request->n_channels = i;
8315
8316 i = 0;
13874e4b 8317 if (n_ssids) {
256da02d 8318 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
807f8a8c 8319 tmp) {
57a27e1d 8320 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
807f8a8c
LC		 8321 err = -EINVAL;
8322 goto out_free;
8323 }
57a27e1d 8324 request->ssids[i].ssid_len = nla_len(attr);
807f8a8c
LC		 8325 memcpy(request->ssids[i].ssid, nla_data(attr),
8326 nla_len(attr));
807f8a8c
LC		 8327 i++;
8328 }
8329 }
8330
a1f1c21c 8331 i = 0;
256da02d 8332 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
a1f1c21c 8333 nla_for_each_nested(attr,
256da02d 8334 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
a1f1c21c 8335 tmp) {
3007e352 8336 struct nlattr *ssid, *bssid, *rssi;
a1f1c21c 8337
8cb08174
JB		 8338 err = nla_parse_nested_deprecated(tb,
8339 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
8340 attr,
8341 nl80211_match_policy,
8342 NULL);
ae811e21
JB		 8343 if (err)
8344 goto out_free;
4a4ab0d7 8345 ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID];
3007e352 8346 bssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID];
d39f3b4f
JB		 8347
8348 if (!ssid && !bssid) {
8349 i++;
8350 continue;
8351 }
8352
8353 if (WARN_ON(i >= n_match_sets)) {
8354 /* this indicates a programming error,
8355 * the loop above should have verified
8356 * things properly
8357 */
8358 err = -EINVAL;
8359 goto out_free;
8360 }
8361
8362 if (ssid) {
8363 if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) {
ea73cbce
JB		 8364 err = -EINVAL;
8365 goto out_free;
8366 }
d39f3b4f
JB		 8367 memcpy(request->match_sets[i].ssid.ssid,
8368 nla_data(ssid), nla_len(ssid));
8369 request->match_sets[i].ssid.ssid_len =
8370 nla_len(ssid);
8371 }
8372 if (bssid) {
8373 if (nla_len(bssid) != ETH_ALEN) {
8374 err = -EINVAL;
8375 goto out_free;
a1f1c21c 8376 }
d39f3b4f
JB		 8377 memcpy(request->match_sets[i].bssid,
8378 nla_data(bssid), ETH_ALEN);
8379 }
3007e352 8380
d39f3b4f
JB		 8381 /* special attribute - old implementation w/a */
8382 request->match_sets[i].rssi_thold = default_match_rssi;
8383 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
8384 if (rssi)
ea73cbce 8385 request->match_sets[i].rssi_thold =
d39f3b4f 8386 nla_get_s32(rssi);
1e1b11b6 8387
8388 /* Parse per band RSSI attribute */
8389 err = nl80211_parse_sched_scan_per_band_rssi(wiphy,
8390 &request->match_sets[i],
8391 tb[NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI],
8392 request->match_sets[i].rssi_thold);
8393 if (err)
8394 goto out_free;
8395
a1f1c21c
LC		 8396 i++;
8397 }
ea73cbce
JB		 8398
8399 /* there was no other matchset, so the RSSI one is alone */
f89f46cf 8400 if (i == 0 && n_match_sets)
ea73cbce
JB		 8401 request->match_sets[0].rssi_thold = default_match_rssi;
8402
8403 request->min_rssi_thold = INT_MAX;
8404 for (i = 0; i < n_match_sets; i++)
8405 request->min_rssi_thold =
8406 min(request->match_sets[i].rssi_thold,
8407 request->min_rssi_thold);
8408 } else {
8409 request->min_rssi_thold = NL80211_SCAN_RSSI_THOLD_OFF;
a1f1c21c
LC		 8410 }
8411
9900e484
JB		 8412 if (ie_len) {
8413 request->ie_len = ie_len;
807f8a8c 8414 memcpy((void *)request->ie,
256da02d 8415 nla_data(attrs[NL80211_ATTR_IE]),
807f8a8c
LC		 8416 request->ie_len);
8417 }
8418
2d23d073
RZ		 8419 err = nl80211_check_scan_flags(wiphy, wdev, request, attrs, true);
8420 if (err)
8421 goto out_free;
ed473771 8422
9c748934
LC		 8423 if (attrs[NL80211_ATTR_SCHED_SCAN_DELAY])
8424 request->delay =
8425 nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_DELAY]);
8426
bf95ecdb 8427 if (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]) {
8428 request->relative_rssi = nla_get_s8(
8429 attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]);
8430 request->relative_rssi_set = true;
8431 }
8432
8433 if (request->relative_rssi_set &&
8434 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]) {
8435 struct nl80211_bss_select_rssi_adjust *rssi_adjust;
8436
8437 rssi_adjust = nla_data(
8438 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]);
8439 request->rssi_adjust.band = rssi_adjust->band;
8440 request->rssi_adjust.delta = rssi_adjust->delta;
8441 if (!is_band_valid(wiphy, request->rssi_adjust.band)) {
8442 err = -EINVAL;
8443 goto out_free;
8444 }
8445 }
8446
3b06d277
AS		 8447 err = nl80211_parse_sched_scan_plans(wiphy, n_plans, request, attrs);
8448 if (err)
8449 goto out_free;
8450
15d6030b 8451 request->scan_start = jiffies;
807f8a8c 8452
256da02d 8453 return request;
807f8a8c
LC		 8454
8455out_free:
8456 kfree(request);
256da02d
LC		 8457 return ERR_PTR(err);
8458}
8459
8460static int nl80211_start_sched_scan(struct sk_buff *skb,
8461 struct genl_info *info)
8462{
8463 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8464 struct net_device *dev = info->user_ptr[1];
ad2b26ab 8465 struct wireless_dev *wdev = dev->ieee80211_ptr;
31a60ed1 8466 struct cfg80211_sched_scan_request *sched_scan_req;
ca986ad9 8467 bool want_multi;
256da02d
LC		 8468 int err;
8469
ca986ad9 8470 if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_start)
256da02d
LC		 8471 return -EOPNOTSUPP;
8472
ca986ad9
AVS		 8473 want_multi = info->attrs[NL80211_ATTR_SCHED_SCAN_MULTI];
8474 err = cfg80211_sched_scan_req_possible(rdev, want_multi);
8475 if (err)
8476 return err;
256da02d 8477
31a60ed1 8478 sched_scan_req = nl80211_parse_sched_scan(&rdev->wiphy, wdev,
aad1e812
AVS		 8479 info->attrs,
8480 rdev->wiphy.max_match_sets);
31a60ed1
JR		 8481
8482 err = PTR_ERR_OR_ZERO(sched_scan_req);
256da02d
LC		 8483 if (err)
8484 goto out_err;
8485
ca986ad9
AVS		 8486 /* leave request id zero for legacy request
8487 * or if driver does not support multi-scheduled scan
8488 */
2fd351a8
DK		 8489 if (want_multi && rdev->wiphy.max_sched_scan_reqs > 1)
8490 sched_scan_req->reqid = cfg80211_assign_cookie(rdev);
ca986ad9 8491
31a60ed1 8492 err = rdev_sched_scan_start(rdev, dev, sched_scan_req);
256da02d
LC		 8493 if (err)
8494 goto out_free;
8495
31a60ed1
JR		 8496 sched_scan_req->dev = dev;
8497 sched_scan_req->wiphy = &rdev->wiphy;
8498
93a1e86c
JR		 8499 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
8500 sched_scan_req->owner_nlportid = info->snd_portid;
8501
ca986ad9 8502 cfg80211_add_sched_scan_req(rdev, sched_scan_req);
256da02d 8503
96b08fd6 8504 nl80211_send_sched_scan(sched_scan_req, NL80211_CMD_START_SCHED_SCAN);
256da02d
LC		 8505 return 0;
8506
8507out_free:
31a60ed1 8508 kfree(sched_scan_req);
256da02d 8509out_err:
807f8a8c
LC		 8510 return err;
8511}
8512
8513static int nl80211_stop_sched_scan(struct sk_buff *skb,
8514 struct genl_info *info)
8515{
ca986ad9 8516 struct cfg80211_sched_scan_request *req;
807f8a8c 8517 struct cfg80211_registered_device *rdev = info->user_ptr[0];
ca986ad9 8518 u64 cookie;
807f8a8c 8519
ca986ad9 8520 if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_stop)
807f8a8c
LC		 8521 return -EOPNOTSUPP;
8522
ca986ad9
AVS		 8523 if (info->attrs[NL80211_ATTR_COOKIE]) {
8524 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
8525 return __cfg80211_stop_sched_scan(rdev, cookie, false);
8526 }
8527
8528 req = list_first_or_null_rcu(&rdev->sched_scan_req_list,
8529 struct cfg80211_sched_scan_request,
8530 list);
8531 if (!req || req->reqid ||
8532 (req->owner_nlportid &&
8533 req->owner_nlportid != info->snd_portid))
8534 return -ENOENT;
8535
8536 return cfg80211_stop_sched_scan_req(rdev, req, false);
807f8a8c
LC		 8537}
8538
04f39047
SW		 8539static int nl80211_start_radar_detection(struct sk_buff *skb,
8540 struct genl_info *info)
8541{
8542 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8543 struct net_device *dev = info->user_ptr[1];
8544 struct wireless_dev *wdev = dev->ieee80211_ptr;
13cf6dec 8545 struct wiphy *wiphy = wdev->wiphy;
04f39047 8546 struct cfg80211_chan_def chandef;
55f7435c 8547 enum nl80211_dfs_regions dfs_region;
31559f35 8548 unsigned int cac_time_ms;
04f39047
SW		 8549 int err;
8550
13cf6dec 8551 dfs_region = reg_get_dfs_region(wiphy);
55f7435c
LR		 8552 if (dfs_region == NL80211_DFS_UNSET)
8553 return -EINVAL;
8554
04f39047
SW		 8555 err = nl80211_parse_chandef(rdev, info, &chandef);
8556 if (err)
8557 return err;
8558
ff311bc1
SW		 8559 if (netif_carrier_ok(dev))
8560 return -EBUSY;
8561
04f39047
SW		 8562 if (wdev->cac_started)
8563 return -EBUSY;
8564
13cf6dec 8565 err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype);
04f39047
SW		 8566 if (err < 0)
8567 return err;
8568
8569 if (err == 0)
8570 return -EINVAL;
8571
13cf6dec 8572 if (!cfg80211_chandef_dfs_usable(wiphy, &chandef))
04f39047
SW		 8573 return -EINVAL;
8574
13cf6dec
DL		 8575 /* CAC start is offloaded to HW and can't be started manually */
8576 if (wiphy_ext_feature_isset(wiphy, NL80211_EXT_FEATURE_DFS_OFFLOAD))
8577 return -EOPNOTSUPP;
8578
04f39047
SW		 8579 if (!rdev->ops->start_radar_detection)
8580 return -EOPNOTSUPP;
8581
31559f35
JD		 8582 cac_time_ms = cfg80211_chandef_dfs_cac_time(&rdev->wiphy, &chandef);
8583 if (WARN_ON(!cac_time_ms))
8584 cac_time_ms = IEEE80211_DFS_MIN_CAC_TIME_MS;
8585
a1056b1b 8586 err = rdev_start_radar_detection(rdev, dev, &chandef, cac_time_ms);
04f39047 8587 if (!err) {
9e0e2961 8588 wdev->chandef = chandef;
04f39047
SW		 8589 wdev->cac_started = true;
8590 wdev->cac_start_time = jiffies;
31559f35 8591 wdev->cac_time_ms = cac_time_ms;
04f39047 8592 }
04f39047
SW		 8593 return err;
8594}
8595
30c63115
S		 8596static int nl80211_notify_radar_detection(struct sk_buff *skb,
8597 struct genl_info *info)
8598{
8599 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8600 struct net_device *dev = info->user_ptr[1];
8601 struct wireless_dev *wdev = dev->ieee80211_ptr;
8602 struct wiphy *wiphy = wdev->wiphy;
8603 struct cfg80211_chan_def chandef;
8604 enum nl80211_dfs_regions dfs_region;
8605 int err;
8606
8607 dfs_region = reg_get_dfs_region(wiphy);
8608 if (dfs_region == NL80211_DFS_UNSET) {
8609 GENL_SET_ERR_MSG(info,
8610 "DFS Region is not set. Unexpected Radar indication");
8611 return -EINVAL;
8612 }
8613
8614 err = nl80211_parse_chandef(rdev, info, &chandef);
8615 if (err) {
8616 GENL_SET_ERR_MSG(info, "Unable to extract chandef info");
8617 return err;
8618 }
8619
8620 err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype);
8621 if (err < 0) {
8622 GENL_SET_ERR_MSG(info, "chandef is invalid");
8623 return err;
8624 }
8625
8626 if (err == 0) {
8627 GENL_SET_ERR_MSG(info,
8628 "Unexpected Radar indication for chandef/iftype");
8629 return -EINVAL;
8630 }
8631
8632 /* Do not process this notification if radar is already detected
8633 * by kernel on this channel, and return success.
8634 */
8635 if (chandef.chan->dfs_state == NL80211_DFS_UNAVAILABLE)
8636 return 0;
8637
8638 cfg80211_set_dfs_state(wiphy, &chandef, NL80211_DFS_UNAVAILABLE);
8639
8640 cfg80211_sched_dfs_chan_update(rdev);
8641
a680fe46 8642 rdev->radar_chandef = chandef;
30c63115
S		 8643
8644 /* Propagate this notification to other radios as well */
8645 queue_work(cfg80211_wq, &rdev->propagate_radar_detect_wk);
8646
8647 return 0;
8648}
8649
16ef1fe2
SW		 8650static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info)
8651{
8652 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8653 struct net_device *dev = info->user_ptr[1];
8654 struct wireless_dev *wdev = dev->ieee80211_ptr;
8655 struct cfg80211_csa_settings params;
8656 /* csa_attrs is defined static to avoid waste of stack size - this
8657 * function is called under RTNL lock, so this should not be a problem.
8658 */
8659 static struct nlattr *csa_attrs[NL80211_ATTR_MAX+1];
16ef1fe2 8660 int err;
ee4bc9e7 8661 bool need_new_beacon = false;
8d9de16f 8662 bool need_handle_dfs_flag = true;
9a774c78 8663 int len, i;
252e07ca 8664 u32 cs_count;
16ef1fe2
SW		 8665
8666 if (!rdev->ops->channel_switch ||
8667 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH))
8668 return -EOPNOTSUPP;
8669
ee4bc9e7
SW		 8670 switch (dev->ieee80211_ptr->iftype) {
8671 case NL80211_IFTYPE_AP:
8672 case NL80211_IFTYPE_P2P_GO:
8673 need_new_beacon = true;
8d9de16f
BB		 8674 /* For all modes except AP the handle_dfs flag needs to be
8675 * supplied to tell the kernel that userspace will handle radar
8676 * events when they happen. Otherwise a switch to a channel
8677 * requiring DFS will be rejected.
8678 */
8679 need_handle_dfs_flag = false;
ee4bc9e7
SW		 8680
8681 /* useless if AP is not running */
8682 if (!wdev->beacon_interval)
1ff79dfa 8683 return -ENOTCONN;
ee4bc9e7
SW		 8684 break;
8685 case NL80211_IFTYPE_ADHOC:
1ff79dfa
JB		 8686 if (!wdev->ssid_len)
8687 return -ENOTCONN;
8688 break;
c6da674a 8689 case NL80211_IFTYPE_MESH_POINT:
1ff79dfa
JB		 8690 if (!wdev->mesh_id_len)
8691 return -ENOTCONN;
ee4bc9e7
SW		 8692 break;
8693 default:
16ef1fe2 8694 return -EOPNOTSUPP;
ee4bc9e7 8695 }
16ef1fe2
SW		 8696
8697 memset(&params, 0, sizeof(params));
c177db2d 8698 params.beacon_csa.ftm_responder = -1;
16ef1fe2
SW		 8699
8700 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
8701 !info->attrs[NL80211_ATTR_CH_SWITCH_COUNT])
8702 return -EINVAL;
8703
8704 /* only important for AP, IBSS and mesh create IEs internally */
d0a361a5 8705 if (need_new_beacon && !info->attrs[NL80211_ATTR_CSA_IES])
16ef1fe2
SW		 8706 return -EINVAL;
8707
252e07ca
LC		 8708 /* Even though the attribute is u32, the specification says
8709 * u8, so let's make sure we don't overflow.
8710 */
8711 cs_count = nla_get_u32(info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]);
8712 if (cs_count > 255)
8713 return -EINVAL;
8714
8715 params.count = cs_count;
16ef1fe2 8716
ee4bc9e7
SW		 8717 if (!need_new_beacon)
8718 goto skip_beacons;
8719
81e54d08 8720 err = nl80211_parse_beacon(rdev, info->attrs, &params.beacon_after);
16ef1fe2
SW		 8721 if (err)
8722 return err;
8723
8cb08174
JB		 8724 err = nla_parse_nested_deprecated(csa_attrs, NL80211_ATTR_MAX,
8725 info->attrs[NL80211_ATTR_CSA_IES],
8726 nl80211_policy, info->extack);
16ef1fe2
SW		 8727 if (err)
8728 return err;
8729
81e54d08 8730 err = nl80211_parse_beacon(rdev, csa_attrs, &params.beacon_csa);
16ef1fe2
SW		 8731 if (err)
8732 return err;
8733
8734 if (!csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON])
8735 return -EINVAL;
8736
9a774c78
AO		 8737 len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]);
8738 if (!len || (len % sizeof(u16)))
16ef1fe2
SW		 8739 return -EINVAL;
8740
9a774c78
AO		 8741 params.n_counter_offsets_beacon = len / sizeof(u16);
8742 if (rdev->wiphy.max_num_csa_counters &&
8743 (params.n_counter_offsets_beacon >
8744 rdev->wiphy.max_num_csa_counters))
16ef1fe2
SW		 8745 return -EINVAL;
8746
9a774c78
AO		 8747 params.counter_offsets_beacon =
8748 nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]);
8749
8750 /* sanity checks - counters should fit and be the same */
8751 for (i = 0; i < params.n_counter_offsets_beacon; i++) {
8752 u16 offset = params.counter_offsets_beacon[i];
8753
8754 if (offset >= params.beacon_csa.tail_len)
8755 return -EINVAL;
8756
8757 if (params.beacon_csa.tail[offset] != params.count)
8758 return -EINVAL;
8759 }
8760
16ef1fe2 8761 if (csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]) {
9a774c78
AO		 8762 len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]);
8763 if (!len || (len % sizeof(u16)))
16ef1fe2
SW		 8764 return -EINVAL;
8765
9a774c78
AO		 8766 params.n_counter_offsets_presp = len / sizeof(u16);
8767 if (rdev->wiphy.max_num_csa_counters &&
ad5987b4 8768 (params.n_counter_offsets_presp >
9a774c78 8769 rdev->wiphy.max_num_csa_counters))
16ef1fe2 8770 return -EINVAL;
9a774c78
AO		 8771
8772 params.counter_offsets_presp =
8773 nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]);
8774
8775 /* sanity checks - counters should fit and be the same */
8776 for (i = 0; i < params.n_counter_offsets_presp; i++) {
8777 u16 offset = params.counter_offsets_presp[i];
8778
8779 if (offset >= params.beacon_csa.probe_resp_len)
8780 return -EINVAL;
8781
8782 if (params.beacon_csa.probe_resp[offset] !=
8783 params.count)
8784 return -EINVAL;
8785 }
16ef1fe2
SW		 8786 }
8787
ee4bc9e7 8788skip_beacons:
16ef1fe2
SW		 8789 err = nl80211_parse_chandef(rdev, info, &params.chandef);
8790 if (err)
8791 return err;
8792
923b352f
AN		 8793 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &params.chandef,
8794 wdev->iftype))
16ef1fe2
SW		 8795 return -EINVAL;
8796
2beb6dab
LC		 8797 err = cfg80211_chandef_dfs_required(wdev->wiphy,
8798 &params.chandef,
8799 wdev->iftype);
8800 if (err < 0)
8801 return err;
8802
8d9de16f 8803 if (err > 0) {
2beb6dab 8804 params.radar_required = true;
8d9de16f
BB		 8805 if (need_handle_dfs_flag &&
8806 !nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS])) {
8807 return -EINVAL;
8808 }
8809 }
16ef1fe2 8810
16ef1fe2
SW		 8811 if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX])
8812 params.block_tx = true;
8813
c56589ed
SW		 8814 wdev_lock(wdev);
8815 err = rdev_channel_switch(rdev, dev, &params);
8816 wdev_unlock(wdev);
8817
8818 return err;
16ef1fe2
SW		 8819}
8820
9720bb3a
JB		 8821static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
8822 u32 seq, int flags,
2a519311 8823 struct cfg80211_registered_device *rdev,
48ab905d
JB		 8824 struct wireless_dev *wdev,
8825 struct cfg80211_internal_bss *intbss)
2a519311 8826{
48ab905d 8827 struct cfg80211_bss *res = &intbss->pub;
9caf0364 8828 const struct cfg80211_bss_ies *ies;
2a519311
JB		 8829 void *hdr;
8830 struct nlattr *bss;
48ab905d
JB		 8831
8832 ASSERT_WDEV_LOCK(wdev);
2a519311 8833
15e47304 8834 hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
2a519311
JB		 8835 NL80211_CMD_NEW_SCAN_RESULTS);
8836 if (!hdr)
8837 return -1;
8838
0a833c29 8839 genl_dump_check_consistent(cb, hdr);
9720bb3a 8840
97990a06
JB		 8841 if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation))
8842 goto nla_put_failure;
8843 if (wdev->netdev &&
9360ffd1
DM		 8844 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex))
8845 goto nla_put_failure;
2dad624e
ND		 8846 if (nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
8847 NL80211_ATTR_PAD))
97990a06 8848 goto nla_put_failure;
2a519311 8849
ae0be8de 8850 bss = nla_nest_start_noflag(msg, NL80211_ATTR_BSS);
2a519311
JB		 8851 if (!bss)
8852 goto nla_put_failure;
9360ffd1 8853 if ((!is_zero_ether_addr(res->bssid) &&
9caf0364 8854 nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid)))
9360ffd1 8855 goto nla_put_failure;
9caf0364
JB		 8856
8857 rcu_read_lock();
0e227084
JB		 8858 /* indicate whether we have probe response data or not */
8859 if (rcu_access_pointer(res->proberesp_ies) &&
8860 nla_put_flag(msg, NL80211_BSS_PRESP_DATA))
8861 goto fail_unlock_rcu;
8862
8863 /* this pointer prefers to be pointed to probe response data
8864 * but is always valid
8865 */
9caf0364 8866 ies = rcu_dereference(res->ies);
8cef2c9d 8867 if (ies) {
2dad624e
ND		 8868 if (nla_put_u64_64bit(msg, NL80211_BSS_TSF, ies->tsf,
8869 NL80211_BSS_PAD))
8cef2c9d 8870 goto fail_unlock_rcu;
8cef2c9d
JB		 8871 if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS,
8872 ies->len, ies->data))
8873 goto fail_unlock_rcu;
9caf0364 8874 }
0e227084
JB		 8875
8876 /* and this pointer is always (unless driver didn't know) beacon data */
9caf0364 8877 ies = rcu_dereference(res->beacon_ies);
0e227084 8878 if (ies && ies->from_beacon) {
2dad624e
ND		 8879 if (nla_put_u64_64bit(msg, NL80211_BSS_BEACON_TSF, ies->tsf,
8880 NL80211_BSS_PAD))
8cef2c9d
JB		 8881 goto fail_unlock_rcu;
8882 if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES,
8883 ies->len, ies->data))
8884 goto fail_unlock_rcu;
9caf0364
JB		 8885 }
8886 rcu_read_unlock();
8887
9360ffd1
DM		 8888 if (res->beacon_interval &&
8889 nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval))
8890 goto nla_put_failure;
8891 if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) ||
8892 nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) ||
dcd6eac1 8893 nla_put_u32(msg, NL80211_BSS_CHAN_WIDTH, res->scan_width) ||
9360ffd1
DM		 8894 nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO,
8895 jiffies_to_msecs(jiffies - intbss->ts)))
8896 goto nla_put_failure;
2a519311 8897
1d76250b
AS		 8898 if (intbss->parent_tsf &&
8899 (nla_put_u64_64bit(msg, NL80211_BSS_PARENT_TSF,
8900 intbss->parent_tsf, NL80211_BSS_PAD) ||
8901 nla_put(msg, NL80211_BSS_PARENT_BSSID, ETH_ALEN,
8902 intbss->parent_bssid)))
8903 goto nla_put_failure;
8904
6e19bc4b 8905 if (intbss->ts_boottime &&
2dad624e
ND		 8906 nla_put_u64_64bit(msg, NL80211_BSS_LAST_SEEN_BOOTTIME,
8907 intbss->ts_boottime, NL80211_BSS_PAD))
6e19bc4b
DS		 8908 goto nla_put_failure;
8909
983dafaa
SD		 8910 if (!nl80211_put_signal(msg, intbss->pub.chains,
8911 intbss->pub.chain_signal,
8912 NL80211_BSS_CHAIN_SIGNAL))
8913 goto nla_put_failure;
8914
77965c97 8915 switch (rdev->wiphy.signal_type) {
2a519311 8916 case CFG80211_SIGNAL_TYPE_MBM:
9360ffd1
DM		 8917 if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal))
8918 goto nla_put_failure;
2a519311
JB		 8919 break;
8920 case CFG80211_SIGNAL_TYPE_UNSPEC:
9360ffd1
DM		 8921 if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal))
8922 goto nla_put_failure;
2a519311
JB		 8923 break;
8924 default:
8925 break;
8926 }
8927
48ab905d 8928 switch (wdev->iftype) {
074ac8df 8929 case NL80211_IFTYPE_P2P_CLIENT:
48ab905d 8930 case NL80211_IFTYPE_STATION:
9360ffd1
DM		 8931 if (intbss == wdev->current_bss &&
8932 nla_put_u32(msg, NL80211_BSS_STATUS,
8933 NL80211_BSS_STATUS_ASSOCIATED))
8934 goto nla_put_failure;
48ab905d
JB		 8935 break;
8936 case NL80211_IFTYPE_ADHOC:
9360ffd1
DM		 8937 if (intbss == wdev->current_bss &&
8938 nla_put_u32(msg, NL80211_BSS_STATUS,
8939 NL80211_BSS_STATUS_IBSS_JOINED))
8940 goto nla_put_failure;
48ab905d
JB		 8941 break;
8942 default:
8943 break;
8944 }
8945
2a519311
JB		 8946 nla_nest_end(msg, bss);
8947
053c095a
JB		 8948 genlmsg_end(msg, hdr);
8949 return 0;
2a519311 8950
8cef2c9d
JB		 8951 fail_unlock_rcu:
8952 rcu_read_unlock();
2a519311
JB		 8953 nla_put_failure:
8954 genlmsg_cancel(msg, hdr);
8955 return -EMSGSIZE;
8956}
8957
97990a06 8958static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb)
2a519311 8959{
48ab905d 8960 struct cfg80211_registered_device *rdev;
2a519311 8961 struct cfg80211_internal_bss *scan;
48ab905d 8962 struct wireless_dev *wdev;
97990a06 8963 int start = cb->args[2], idx = 0;
2a519311
JB		 8964 int err;
8965
ea90e0dc 8966 rtnl_lock();
5297c65c 8967 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
ea90e0dc
JB		 8968 if (err) {
8969 rtnl_unlock();
67748893 8970 return err;
ea90e0dc 8971 }
2a519311 8972
48ab905d
JB		 8973 wdev_lock(wdev);
8974 spin_lock_bh(&rdev->bss_lock);
d1e23c94
DK		 8975
8976 /*
8977 * dump_scan will be called multiple times to break up the scan results
8978 * into multiple messages. It is unlikely that any more bss-es will be
8979 * expired after the first call, so only call only call this on the
8980 * first dump_scan invocation.
8981 */
8982 if (start == 0)
8983 cfg80211_bss_expire(rdev);
48ab905d 8984
9720bb3a
JB		 8985 cb->seq = rdev->bss_generation;
8986
48ab905d 8987 list_for_each_entry(scan, &rdev->bss_list, list) {
2a519311
JB		 8988 if (++idx <= start)
8989 continue;
9720bb3a 8990 if (nl80211_send_bss(skb, cb,
2a519311 8991 cb->nlh->nlmsg_seq, NLM_F_MULTI,
48ab905d 8992 rdev, wdev, scan) < 0) {
2a519311 8993 idx--;
67748893 8994 break;
2a519311
JB		 8995 }
8996 }
8997
48ab905d
JB		 8998 spin_unlock_bh(&rdev->bss_lock);
8999 wdev_unlock(wdev);
2a519311 9000
97990a06 9001 cb->args[2] = idx;
ea90e0dc 9002 rtnl_unlock();
2a519311 9003
67748893 9004 return skb->len;
2a519311
JB		 9005}
9006
15e47304 9007static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq,
11f78ac3
JB		 9008 int flags, struct net_device *dev,
9009 bool allow_radio_stats,
9010 struct survey_info *survey)
61fa713c
HS		 9011{
9012 void *hdr;
9013 struct nlattr *infoattr;
9014
11f78ac3
JB		 9015 /* skip radio stats if userspace didn't request them */
9016 if (!survey->channel && !allow_radio_stats)
9017 return 0;
9018
15e47304 9019 hdr = nl80211hdr_put(msg, portid, seq, flags,
61fa713c
HS		 9020 NL80211_CMD_NEW_SURVEY_RESULTS);
9021 if (!hdr)
9022 return -ENOMEM;
9023
9360ffd1
DM		 9024 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
9025 goto nla_put_failure;
61fa713c 9026
ae0be8de 9027 infoattr = nla_nest_start_noflag(msg, NL80211_ATTR_SURVEY_INFO);
61fa713c
HS		 9028 if (!infoattr)
9029 goto nla_put_failure;
9030
11f78ac3
JB		 9031 if (survey->channel &&
9032 nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY,
9360ffd1
DM		 9033 survey->channel->center_freq))
9034 goto nla_put_failure;
9035
9036 if ((survey->filled & SURVEY_INFO_NOISE_DBM) &&
9037 nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise))
9038 goto nla_put_failure;
9039 if ((survey->filled & SURVEY_INFO_IN_USE) &&
9040 nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE))
9041 goto nla_put_failure;
4ed20beb 9042 if ((survey->filled & SURVEY_INFO_TIME) &&
2dad624e
ND		 9043 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME,
9044 survey->time, NL80211_SURVEY_INFO_PAD))
9360ffd1 9045 goto nla_put_failure;
4ed20beb 9046 if ((survey->filled & SURVEY_INFO_TIME_BUSY) &&
2dad624e
ND		 9047 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BUSY,
9048 survey->time_busy, NL80211_SURVEY_INFO_PAD))
9360ffd1 9049 goto nla_put_failure;
4ed20beb 9050 if ((survey->filled & SURVEY_INFO_TIME_EXT_BUSY) &&
2dad624e
ND		 9051 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_EXT_BUSY,
9052 survey->time_ext_busy, NL80211_SURVEY_INFO_PAD))
9360ffd1 9053 goto nla_put_failure;
4ed20beb 9054 if ((survey->filled & SURVEY_INFO_TIME_RX) &&
2dad624e
ND		 9055 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_RX,
9056 survey->time_rx, NL80211_SURVEY_INFO_PAD))
9360ffd1 9057 goto nla_put_failure;
4ed20beb 9058 if ((survey->filled & SURVEY_INFO_TIME_TX) &&
2dad624e
ND		 9059 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_TX,
9060 survey->time_tx, NL80211_SURVEY_INFO_PAD))
9360ffd1 9061 goto nla_put_failure;
052536ab 9062 if ((survey->filled & SURVEY_INFO_TIME_SCAN) &&
2dad624e
ND		 9063 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_SCAN,
9064 survey->time_scan, NL80211_SURVEY_INFO_PAD))
052536ab 9065 goto nla_put_failure;
c8cd6e7f
FF		 9066 if ((survey->filled & SURVEY_INFO_TIME_BSS_RX) &&
9067 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BSS_RX,
9068 survey->time_bss_rx, NL80211_SURVEY_INFO_PAD))
9069 goto nla_put_failure;
61fa713c
HS		 9070
9071 nla_nest_end(msg, infoattr);
9072
053c095a
JB		 9073 genlmsg_end(msg, hdr);
9074 return 0;
61fa713c
HS		 9075
9076 nla_put_failure:
9077 genlmsg_cancel(msg, hdr);
9078 return -EMSGSIZE;
9079}
9080
11f78ac3 9081static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb)
61fa713c 9082{
50508d94 9083 struct nlattr **attrbuf;
61fa713c 9084 struct survey_info survey;
1b8ec87a 9085 struct cfg80211_registered_device *rdev;
97990a06
JB		 9086 struct wireless_dev *wdev;
9087 int survey_idx = cb->args[2];
61fa713c 9088 int res;
11f78ac3 9089 bool radio_stats;
61fa713c 9090
50508d94
JB		 9091 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf), GFP_KERNEL);
9092 if (!attrbuf)
9093 return -ENOMEM;
9094
ea90e0dc 9095 rtnl_lock();
5297c65c 9096 res = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
67748893 9097 if (res)
ea90e0dc 9098 goto out_err;
61fa713c 9099
11f78ac3 9100 /* prepare_wdev_dump parsed the attributes */
c90c39da 9101 radio_stats = attrbuf[NL80211_ATTR_SURVEY_RADIO_STATS];
11f78ac3 9102
97990a06
JB		 9103 if (!wdev->netdev) {
9104 res = -EINVAL;
9105 goto out_err;
9106 }
9107
1b8ec87a 9108 if (!rdev->ops->dump_survey) {
61fa713c
HS		 9109 res = -EOPNOTSUPP;
9110 goto out_err;
9111 }
9112
9113 while (1) {
1b8ec87a 9114 res = rdev_dump_survey(rdev, wdev->netdev, survey_idx, &survey);
61fa713c
HS		 9115 if (res == -ENOENT)
9116 break;
9117 if (res)
9118 goto out_err;
9119
11f78ac3
JB		 9120 /* don't send disabled channels, but do send non-channel data */
9121 if (survey.channel &&
9122 survey.channel->flags & IEEE80211_CHAN_DISABLED) {
180cdc79
LR		 9123 survey_idx++;
9124 continue;
9125 }
9126
61fa713c 9127 if (nl80211_send_survey(skb,
15e47304 9128 NETLINK_CB(cb->skb).portid,
61fa713c 9129 cb->nlh->nlmsg_seq, NLM_F_MULTI,
11f78ac3 9130 wdev->netdev, radio_stats, &survey) < 0)
61fa713c
HS		 9131 goto out;
9132 survey_idx++;
9133 }
9134
9135 out:
97990a06 9136 cb->args[2] = survey_idx;
61fa713c
HS		 9137 res = skb->len;
9138 out_err:
50508d94 9139 kfree(attrbuf);
ea90e0dc 9140 rtnl_unlock();
61fa713c
HS		 9141 return res;
9142}
9143
b23aa676
SO		 9144static bool nl80211_valid_wpa_versions(u32 wpa_versions)
9145{
9146 return !(wpa_versions & ~(NL80211_WPA_VERSION_1 |
cc3e14c2
CHH		 9147 NL80211_WPA_VERSION_2 |
9148 NL80211_WPA_VERSION_3));
b23aa676
SO		 9149}
9150
636a5d36
JM		 9151static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
9152{
4c476991
JB		 9153 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9154 struct net_device *dev = info->user_ptr[1];
19957bb3 9155 struct ieee80211_channel *chan;
11b6b5a4
JM		 9156 const u8 *bssid, *ssid, *ie = NULL, *auth_data = NULL;
9157 int err, ssid_len, ie_len = 0, auth_data_len = 0;
19957bb3 9158 enum nl80211_auth_type auth_type;
fffd0934 9159 struct key_parse key;
d5cdfacb 9160 bool local_state_change;
636a5d36 9161
f4a11bb0
JB		 9162 if (!info->attrs[NL80211_ATTR_MAC])
9163 return -EINVAL;
9164
1778092e
JM		 9165 if (!info->attrs[NL80211_ATTR_AUTH_TYPE])
9166 return -EINVAL;
9167
19957bb3
JB		 9168 if (!info->attrs[NL80211_ATTR_SSID])
9169 return -EINVAL;
9170
9171 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
9172 return -EINVAL;
9173
fffd0934
JB		 9174 err = nl80211_parse_key(info, &key);
9175 if (err)
9176 return err;
9177
9178 if (key.idx >= 0) {
e31b8213
JB		 9179 if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP)
9180 return -EINVAL;
fffd0934
JB		 9181 if (!key.p.key || !key.p.key_len)
9182 return -EINVAL;
9183 if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 ||
9184 key.p.key_len != WLAN_KEY_LEN_WEP40) &&
9185 (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 ||
9186 key.p.key_len != WLAN_KEY_LEN_WEP104))
9187 return -EINVAL;
b6b5555b 9188 if (key.idx > 3)
fffd0934
JB		 9189 return -EINVAL;
9190 } else {
9191 key.p.key_len = 0;
9192 key.p.key = NULL;
9193 }
9194
afea0b7a
JB		 9195 if (key.idx >= 0) {
9196 int i;
9197 bool ok = false;
7a087e74 9198
afea0b7a
JB		 9199 for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) {
9200 if (key.p.cipher == rdev->wiphy.cipher_suites[i]) {
9201 ok = true;
9202 break;
9203 }
9204 }
4c476991
JB		 9205 if (!ok)
9206 return -EINVAL;
afea0b7a
JB		 9207 }
9208
4c476991
JB		 9209 if (!rdev->ops->auth)
9210 return -EOPNOTSUPP;
636a5d36 9211
074ac8df 9212 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 9213 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9214 return -EOPNOTSUPP;
eec60b03 9215
19957bb3 9216 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
664834de
JM		 9217 chan = nl80211_get_valid_chan(&rdev->wiphy,
9218 info->attrs[NL80211_ATTR_WIPHY_FREQ]);
9219 if (!chan)
4c476991 9220 return -EINVAL;
636a5d36 9221
19957bb3
JB		 9222 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
9223 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
636a5d36
JM		 9224
9225 if (info->attrs[NL80211_ATTR_IE]) {
19957bb3
JB		 9226 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9227 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
636a5d36
JM		 9228 }
9229
19957bb3 9230 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
e39e5b5e 9231 if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE))
4c476991 9232 return -EINVAL;
636a5d36 9233
63181060
JM		 9234 if ((auth_type == NL80211_AUTHTYPE_SAE ||
9235 auth_type == NL80211_AUTHTYPE_FILS_SK ||
9236 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
9237 auth_type == NL80211_AUTHTYPE_FILS_PK) &&
11b6b5a4 9238 !info->attrs[NL80211_ATTR_AUTH_DATA])
e39e5b5e
JM		 9239 return -EINVAL;
9240
11b6b5a4 9241 if (info->attrs[NL80211_ATTR_AUTH_DATA]) {
63181060
JM		 9242 if (auth_type != NL80211_AUTHTYPE_SAE &&
9243 auth_type != NL80211_AUTHTYPE_FILS_SK &&
9244 auth_type != NL80211_AUTHTYPE_FILS_SK_PFS &&
9245 auth_type != NL80211_AUTHTYPE_FILS_PK)
e39e5b5e 9246 return -EINVAL;
11b6b5a4
JM		 9247 auth_data = nla_data(info->attrs[NL80211_ATTR_AUTH_DATA]);
9248 auth_data_len = nla_len(info->attrs[NL80211_ATTR_AUTH_DATA]);
e39e5b5e 9249 /* need to include at least Auth Transaction and Status Code */
11b6b5a4 9250 if (auth_data_len < 4)
e39e5b5e
JM		 9251 return -EINVAL;
9252 }
9253
d5cdfacb
JM		 9254 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
9255
95de817b
JB		 9256 /*
9257 * Since we no longer track auth state, ignore
9258 * requests to only change local state.
9259 */
9260 if (local_state_change)
9261 return 0;
9262
91bf9b26
JB		 9263 wdev_lock(dev->ieee80211_ptr);
9264 err = cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid,
9265 ssid, ssid_len, ie, ie_len,
9266 key.p.key, key.p.key_len, key.idx,
11b6b5a4 9267 auth_data, auth_data_len);
91bf9b26
JB		 9268 wdev_unlock(dev->ieee80211_ptr);
9269 return err;
636a5d36
JM		 9270}
9271
64bf3d4b
DK		 9272static int validate_pae_over_nl80211(struct cfg80211_registered_device *rdev,
9273 struct genl_info *info)
9274{
9275 if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
9276 GENL_SET_ERR_MSG(info, "SOCKET_OWNER not set");
9277 return -EINVAL;
9278 }
9279
9280 if (!rdev->ops->tx_control_port ||
9281 !wiphy_ext_feature_isset(&rdev->wiphy,
9282 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
9283 return -EOPNOTSUPP;
9284
9285 return 0;
9286}
9287
c0692b8f
JB		 9288static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
9289 struct genl_info *info,
3dc27d25
JB		 9290 struct cfg80211_crypto_settings *settings,
9291 int cipher_limit)
b23aa676 9292{
c0b2bbd8
JB		 9293 memset(settings, 0, sizeof(*settings));
9294
b23aa676
SO		 9295 settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT];
9296
c0692b8f
JB		 9297 if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
9298 u16 proto;
7a087e74 9299
c0692b8f
JB		 9300 proto = nla_get_u16(
9301 info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
9302 settings->control_port_ethertype = cpu_to_be16(proto);
9303 if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
9304 proto != ETH_P_PAE)
9305 return -EINVAL;
9306 if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT])
9307 settings->control_port_no_encrypt = true;
9308 } else
9309 settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE);
9310
64bf3d4b
DK		 9311 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
9312 int r = validate_pae_over_nl80211(rdev, info);
9313
9314 if (r < 0)
9315 return r;
9316
9317 settings->control_port_over_nl80211 = true;
7f3f96ce
MT		 9318
9319 if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_PREAUTH])
9320 settings->control_port_no_preauth = true;
64bf3d4b
DK		 9321 }
9322
b23aa676
SO		 9323 if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) {
9324 void *data;
9325 int len, i;
9326
9327 data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
9328 len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
9329 settings->n_ciphers_pairwise = len / sizeof(u32);
9330
9331 if (len % sizeof(u32))
9332 return -EINVAL;
9333
3dc27d25 9334 if (settings->n_ciphers_pairwise > cipher_limit)
b23aa676
SO		 9335 return -EINVAL;
9336
9337 memcpy(settings->ciphers_pairwise, data, len);
9338
9339 for (i = 0; i < settings->n_ciphers_pairwise; i++)
38ba3c57
JM		 9340 if (!cfg80211_supported_cipher_suite(
9341 &rdev->wiphy,
b23aa676
SO		 9342 settings->ciphers_pairwise[i]))
9343 return -EINVAL;
9344 }
9345
9346 if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) {
9347 settings->cipher_group =
9348 nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]);
38ba3c57
JM		 9349 if (!cfg80211_supported_cipher_suite(&rdev->wiphy,
9350 settings->cipher_group))
b23aa676
SO		 9351 return -EINVAL;
9352 }
9353
9354 if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) {
9355 settings->wpa_versions =
9356 nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]);
9357 if (!nl80211_valid_wpa_versions(settings->wpa_versions))
9358 return -EINVAL;
9359 }
9360
9361 if (info->attrs[NL80211_ATTR_AKM_SUITES]) {
9362 void *data;
6d30240e 9363 int len;
b23aa676
SO		 9364
9365 data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]);
9366 len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]);
9367 settings->n_akm_suites = len / sizeof(u32);
9368
9369 if (len % sizeof(u32))
9370 return -EINVAL;
9371
1b9ca027
JM		 9372 if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES)
9373 return -EINVAL;
9374
b23aa676 9375 memcpy(settings->akm_suites, data, len);
b23aa676
SO		 9376 }
9377
91b5ab62
EP		 9378 if (info->attrs[NL80211_ATTR_PMK]) {
9379 if (nla_len(info->attrs[NL80211_ATTR_PMK]) != WLAN_PMK_LEN)
9380 return -EINVAL;
9381 if (!wiphy_ext_feature_isset(&rdev->wiphy,
9382 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_PSK))
9383 return -EINVAL;
9384 settings->psk = nla_data(info->attrs[NL80211_ATTR_PMK]);
9385 }
9386
26f7044e
CHH		 9387 if (info->attrs[NL80211_ATTR_SAE_PASSWORD]) {
9388 if (!wiphy_ext_feature_isset(&rdev->wiphy,
9389 NL80211_EXT_FEATURE_SAE_OFFLOAD))
9390 return -EINVAL;
9391 settings->sae_pwd =
9392 nla_data(info->attrs[NL80211_ATTR_SAE_PASSWORD]);
9393 settings->sae_pwd_len =
9394 nla_len(info->attrs[NL80211_ATTR_SAE_PASSWORD]);
9395 }
9396
b23aa676
SO		 9397 return 0;
9398}
9399
636a5d36
JM		 9400static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
9401{
4c476991
JB		 9402 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9403 struct net_device *dev = info->user_ptr[1];
f444de05 9404 struct ieee80211_channel *chan;
f62fab73
JB		 9405 struct cfg80211_assoc_request req = {};
9406 const u8 *bssid, *ssid;
9407 int err, ssid_len = 0;
636a5d36 9408
bad29297
AZ		 9409 if (dev->ieee80211_ptr->conn_owner_nlportid &&
9410 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
9411 return -EPERM;
9412
f4a11bb0 9413 if (!info->attrs[NL80211_ATTR_MAC] ||
19957bb3
JB		 9414 !info->attrs[NL80211_ATTR_SSID] ||
9415 !info->attrs[NL80211_ATTR_WIPHY_FREQ])
f4a11bb0
JB		 9416 return -EINVAL;
9417
4c476991
JB		 9418 if (!rdev->ops->assoc)
9419 return -EOPNOTSUPP;
636a5d36 9420
074ac8df 9421 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 9422 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9423 return -EOPNOTSUPP;
eec60b03 9424
19957bb3 9425 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
636a5d36 9426
664834de
JM		 9427 chan = nl80211_get_valid_chan(&rdev->wiphy,
9428 info->attrs[NL80211_ATTR_WIPHY_FREQ]);
9429 if (!chan)
4c476991 9430 return -EINVAL;
636a5d36 9431
19957bb3
JB		 9432 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
9433 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
636a5d36
JM		 9434
9435 if (info->attrs[NL80211_ATTR_IE]) {
f62fab73
JB		 9436 req.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9437 req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
636a5d36
JM		 9438 }
9439
dc6382ce 9440 if (info->attrs[NL80211_ATTR_USE_MFP]) {
4f5dadce 9441 enum nl80211_mfp mfp =
dc6382ce 9442 nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
4f5dadce 9443 if (mfp == NL80211_MFP_REQUIRED)
f62fab73 9444 req.use_mfp = true;
4c476991
JB		 9445 else if (mfp != NL80211_MFP_NO)
9446 return -EINVAL;
dc6382ce
JM		 9447 }
9448
3e5d7649 9449 if (info->attrs[NL80211_ATTR_PREV_BSSID])
f62fab73 9450 req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
3e5d7649 9451
7e7c8926 9452 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
f62fab73 9453 req.flags |= ASSOC_REQ_DISABLE_HT;
7e7c8926
BG		 9454
9455 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
f62fab73
JB		 9456 memcpy(&req.ht_capa_mask,
9457 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
9458 sizeof(req.ht_capa_mask));
7e7c8926
BG		 9459
9460 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
f62fab73 9461 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
7e7c8926 9462 return -EINVAL;
f62fab73
JB		 9463 memcpy(&req.ht_capa,
9464 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
9465 sizeof(req.ht_capa));
7e7c8926
BG		 9466 }
9467
ee2aca34 9468 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
f62fab73 9469 req.flags |= ASSOC_REQ_DISABLE_VHT;
ee2aca34
JB		 9470
9471 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
f62fab73
JB		 9472 memcpy(&req.vht_capa_mask,
9473 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
9474 sizeof(req.vht_capa_mask));
ee2aca34
JB		 9475
9476 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
f62fab73 9477 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
ee2aca34 9478 return -EINVAL;
f62fab73
JB		 9479 memcpy(&req.vht_capa,
9480 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
9481 sizeof(req.vht_capa));
ee2aca34
JB		 9482 }
9483
bab5ab7d 9484 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
0c9ca11b
BL		 9485 if (!((rdev->wiphy.features &
9486 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
9487 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
9488 !wiphy_ext_feature_isset(&rdev->wiphy,
9489 NL80211_EXT_FEATURE_RRM))
bab5ab7d
AK		 9490 return -EINVAL;
9491 req.flags |= ASSOC_REQ_USE_RRM;
9492 }
9493
348bd456
JM		 9494 if (info->attrs[NL80211_ATTR_FILS_KEK]) {
9495 req.fils_kek = nla_data(info->attrs[NL80211_ATTR_FILS_KEK]);
9496 req.fils_kek_len = nla_len(info->attrs[NL80211_ATTR_FILS_KEK]);
9497 if (!info->attrs[NL80211_ATTR_FILS_NONCES])
9498 return -EINVAL;
9499 req.fils_nonces =
9500 nla_data(info->attrs[NL80211_ATTR_FILS_NONCES]);
9501 }
9502
f62fab73 9503 err = nl80211_crypto_settings(rdev, info, &req.crypto, 1);
91bf9b26
JB		 9504 if (!err) {
9505 wdev_lock(dev->ieee80211_ptr);
bd2522b1 9506
f62fab73
JB		 9507 err = cfg80211_mlme_assoc(rdev, dev, chan, bssid,
9508 ssid, ssid_len, &req);
bd2522b1
AZ		 9509
9510 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
9511 dev->ieee80211_ptr->conn_owner_nlportid =
9512 info->snd_portid;
9513 memcpy(dev->ieee80211_ptr->disconnect_bssid,
9514 bssid, ETH_ALEN);
9515 }
9516
91bf9b26
JB		 9517 wdev_unlock(dev->ieee80211_ptr);
9518 }
636a5d36 9519
636a5d36
JM		 9520 return err;
9521}
9522
9523static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
9524{
4c476991
JB		 9525 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9526 struct net_device *dev = info->user_ptr[1];
19957bb3 9527 const u8 *ie = NULL, *bssid;
91bf9b26 9528 int ie_len = 0, err;
19957bb3 9529 u16 reason_code;
d5cdfacb 9530 bool local_state_change;
636a5d36 9531
bad29297
AZ		 9532 if (dev->ieee80211_ptr->conn_owner_nlportid &&
9533 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
9534 return -EPERM;
9535
f4a11bb0
JB		 9536 if (!info->attrs[NL80211_ATTR_MAC])
9537 return -EINVAL;
9538
9539 if (!info->attrs[NL80211_ATTR_REASON_CODE])
9540 return -EINVAL;
9541
4c476991
JB		 9542 if (!rdev->ops->deauth)
9543 return -EOPNOTSUPP;
636a5d36 9544
074ac8df 9545 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 9546 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9547 return -EOPNOTSUPP;
eec60b03 9548
19957bb3 9549 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
636a5d36 9550
19957bb3
JB		 9551 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
9552 if (reason_code == 0) {
f4a11bb0 9553 /* Reason Code 0 is reserved */
4c476991 9554 return -EINVAL;
255e737e 9555 }
636a5d36
JM		 9556
9557 if (info->attrs[NL80211_ATTR_IE]) {
19957bb3
JB		 9558 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9559 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
636a5d36
JM		 9560 }
9561
d5cdfacb
JM		 9562 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
9563
91bf9b26
JB		 9564 wdev_lock(dev->ieee80211_ptr);
9565 err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code,
9566 local_state_change);
9567 wdev_unlock(dev->ieee80211_ptr);
9568 return err;
636a5d36
JM		 9569}
9570
9571static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
9572{
4c476991
JB		 9573 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9574 struct net_device *dev = info->user_ptr[1];
19957bb3 9575 const u8 *ie = NULL, *bssid;
91bf9b26 9576 int ie_len = 0, err;
19957bb3 9577 u16 reason_code;
d5cdfacb 9578 bool local_state_change;
636a5d36 9579
bad29297
AZ		 9580 if (dev->ieee80211_ptr->conn_owner_nlportid &&
9581 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
9582 return -EPERM;
9583
f4a11bb0
JB		 9584 if (!info->attrs[NL80211_ATTR_MAC])
9585 return -EINVAL;
9586
9587 if (!info->attrs[NL80211_ATTR_REASON_CODE])
9588 return -EINVAL;
9589
4c476991
JB		 9590 if (!rdev->ops->disassoc)
9591 return -EOPNOTSUPP;
636a5d36 9592
074ac8df 9593 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 9594 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9595 return -EOPNOTSUPP;
eec60b03 9596
19957bb3 9597 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
636a5d36 9598
19957bb3
JB		 9599 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
9600 if (reason_code == 0) {
f4a11bb0 9601 /* Reason Code 0 is reserved */
4c476991 9602 return -EINVAL;
255e737e 9603 }
636a5d36
JM		 9604
9605 if (info->attrs[NL80211_ATTR_IE]) {
19957bb3
JB		 9606 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9607 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
636a5d36
JM		 9608 }
9609
d5cdfacb
JM		 9610 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
9611
91bf9b26
JB		 9612 wdev_lock(dev->ieee80211_ptr);
9613 err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code,
9614 local_state_change);
9615 wdev_unlock(dev->ieee80211_ptr);
9616 return err;
636a5d36
JM		 9617}
9618
dd5b4cc7
FF		 9619static bool
9620nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev,
57fbcce3 9621 int mcast_rate[NUM_NL80211_BANDS],
dd5b4cc7
FF		 9622 int rateval)
9623{
9624 struct wiphy *wiphy = &rdev->wiphy;
9625 bool found = false;
9626 int band, i;
9627
57fbcce3 9628 for (band = 0; band < NUM_NL80211_BANDS; band++) {
dd5b4cc7
FF		 9629 struct ieee80211_supported_band *sband;
9630
9631 sband = wiphy->bands[band];
9632 if (!sband)
9633 continue;
9634
9635 for (i = 0; i < sband->n_bitrates; i++) {
9636 if (sband->bitrates[i].bitrate == rateval) {
9637 mcast_rate[band] = i + 1;
9638 found = true;
9639 break;
9640 }
9641 }
9642 }
9643
9644 return found;
9645}
9646
04a773ad
JB		 9647static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
9648{
4c476991
JB		 9649 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9650 struct net_device *dev = info->user_ptr[1];
04a773ad
JB		 9651 struct cfg80211_ibss_params ibss;
9652 struct wiphy *wiphy;
fffd0934 9653 struct cfg80211_cached_keys *connkeys = NULL;
04a773ad
JB		 9654 int err;
9655
8e30bc55
JB		 9656 memset(&ibss, 0, sizeof(ibss));
9657
683b6d3b 9658 if (!info->attrs[NL80211_ATTR_SSID] ||
04a773ad
JB		 9659 !nla_len(info->attrs[NL80211_ATTR_SSID]))
9660 return -EINVAL;
9661
8e30bc55
JB		 9662 ibss.beacon_interval = 100;
9663
12d20fc9 9664 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL])
8e30bc55
JB		 9665 ibss.beacon_interval =
9666 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
12d20fc9 9667
0c317a02
PK		 9668 err = cfg80211_validate_beacon_int(rdev, NL80211_IFTYPE_ADHOC,
9669 ibss.beacon_interval);
12d20fc9
PK		 9670 if (err)
9671 return err;
8e30bc55 9672
4c476991
JB		 9673 if (!rdev->ops->join_ibss)
9674 return -EOPNOTSUPP;
04a773ad 9675
4c476991
JB		 9676 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
9677 return -EOPNOTSUPP;
04a773ad 9678
79c97e97 9679 wiphy = &rdev->wiphy;
04a773ad 9680
39193498 9681 if (info->attrs[NL80211_ATTR_MAC]) {
04a773ad 9682 ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
39193498
JB		 9683
9684 if (!is_valid_ether_addr(ibss.bssid))
9685 return -EINVAL;
9686 }
04a773ad
JB		 9687 ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
9688 ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
9689
9690 if (info->attrs[NL80211_ATTR_IE]) {
9691 ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9692 ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9693 }
9694
683b6d3b
JB		 9695 err = nl80211_parse_chandef(rdev, info, &ibss.chandef);
9696 if (err)
9697 return err;
04a773ad 9698
174e0cd2
IP		 9699 if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef,
9700 NL80211_IFTYPE_ADHOC))
54858ee5
AS		 9701 return -EINVAL;
9702
2f301ab2 9703 switch (ibss.chandef.width) {
bf372645
SW		 9704 case NL80211_CHAN_WIDTH_5:
9705 case NL80211_CHAN_WIDTH_10:
2f301ab2
SW		 9706 case NL80211_CHAN_WIDTH_20_NOHT:
9707 break;
9708 case NL80211_CHAN_WIDTH_20:
9709 case NL80211_CHAN_WIDTH_40:
ffc11991
JD		 9710 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
9711 return -EINVAL;
9712 break;
9713 case NL80211_CHAN_WIDTH_80:
9714 case NL80211_CHAN_WIDTH_80P80:
9715 case NL80211_CHAN_WIDTH_160:
9716 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
9717 return -EINVAL;
9718 if (!wiphy_ext_feature_isset(&rdev->wiphy,
9719 NL80211_EXT_FEATURE_VHT_IBSS))
9720 return -EINVAL;
9721 break;
2f301ab2 9722 default:
c04d6150 9723 return -EINVAL;
2f301ab2 9724 }
db9c64cf 9725
04a773ad 9726 ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED];
fffd0934
JB		 9727 ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
9728
fbd2c8dc
TP		 9729 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
9730 u8 *rates =
9731 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
9732 int n_rates =
9733 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
9734 struct ieee80211_supported_band *sband =
683b6d3b 9735 wiphy->bands[ibss.chandef.chan->band];
fbd2c8dc 9736
34850ab2
JB		 9737 err = ieee80211_get_ratemask(sband, rates, n_rates,
9738 &ibss.basic_rates);
9739 if (err)
9740 return err;
fbd2c8dc 9741 }
dd5b4cc7 9742
803768f5
SW		 9743 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
9744 memcpy(&ibss.ht_capa_mask,
9745 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
9746 sizeof(ibss.ht_capa_mask));
9747
9748 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
9749 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
9750 return -EINVAL;
9751 memcpy(&ibss.ht_capa,
9752 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
9753 sizeof(ibss.ht_capa));
9754 }
9755
dd5b4cc7
FF		 9756 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
9757 !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate,
9758 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
9759 return -EINVAL;
fbd2c8dc 9760
4c476991 9761 if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) {
de7044ee
SM		 9762 bool no_ht = false;
9763
768075eb 9764 connkeys = nl80211_parse_connkeys(rdev, info, &no_ht);
4c476991
JB		 9765 if (IS_ERR(connkeys))
9766 return PTR_ERR(connkeys);
de7044ee 9767
3d9d1d66
JB		 9768 if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) &&
9769 no_ht) {
5e950a78 9770 kzfree(connkeys);
de7044ee
SM		 9771 return -EINVAL;
9772 }
4c476991 9773 }
04a773ad 9774
267335d6
AQ		 9775 ibss.control_port =
9776 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]);
9777
c3bfe1f6
DK		 9778 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
9779 int r = validate_pae_over_nl80211(rdev, info);
9780
d350a0f4
JB		 9781 if (r < 0) {
9782 kzfree(connkeys);
c3bfe1f6 9783 return r;
d350a0f4 9784 }
c3bfe1f6
DK		 9785
9786 ibss.control_port_over_nl80211 = true;
9787 }
9788
5336fa88
SW		 9789 ibss.userspace_handles_dfs =
9790 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
9791
f8d16d3e
DK		 9792 wdev_lock(dev->ieee80211_ptr);
9793 err = __cfg80211_join_ibss(rdev, dev, &ibss, connkeys);
fffd0934 9794 if (err)
b47f610b 9795 kzfree(connkeys);
f8d16d3e
DK		 9796 else if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
9797 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
9798 wdev_unlock(dev->ieee80211_ptr);
9799
04a773ad
JB		 9800 return err;
9801}
9802
9803static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info)
9804{
4c476991
JB		 9805 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9806 struct net_device *dev = info->user_ptr[1];
04a773ad 9807
4c476991
JB		 9808 if (!rdev->ops->leave_ibss)
9809 return -EOPNOTSUPP;
04a773ad 9810
4c476991
JB		 9811 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
9812 return -EOPNOTSUPP;
04a773ad 9813
4c476991 9814 return cfg80211_leave_ibss(rdev, dev, false);
04a773ad
JB		 9815}
9816
f4e583c8
AQ		 9817static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info)
9818{
9819 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9820 struct net_device *dev = info->user_ptr[1];
57fbcce3 9821 int mcast_rate[NUM_NL80211_BANDS];
f4e583c8
AQ		 9822 u32 nla_rate;
9823 int err;
9824
9825 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
876dc930
BVB		 9826 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
9827 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB)
f4e583c8
AQ		 9828 return -EOPNOTSUPP;
9829
9830 if (!rdev->ops->set_mcast_rate)
9831 return -EOPNOTSUPP;
9832
9833 memset(mcast_rate, 0, sizeof(mcast_rate));
9834
9835 if (!info->attrs[NL80211_ATTR_MCAST_RATE])
9836 return -EINVAL;
9837
9838 nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]);
9839 if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate))
9840 return -EINVAL;
9841
a1056b1b 9842 err = rdev_set_mcast_rate(rdev, dev, mcast_rate);
f4e583c8
AQ		 9843
9844 return err;
9845}
9846
ad7e718c
JB		 9847static struct sk_buff *
9848__cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev,
6c09e791
AK		 9849 struct wireless_dev *wdev, int approxlen,
9850 u32 portid, u32 seq, enum nl80211_commands cmd,
567ffc35
JB		 9851 enum nl80211_attrs attr,
9852 const struct nl80211_vendor_cmd_info *info,
9853 gfp_t gfp)
ad7e718c
JB		 9854{
9855 struct sk_buff *skb;
9856 void *hdr;
9857 struct nlattr *data;
9858
9859 skb = nlmsg_new(approxlen + 100, gfp);
9860 if (!skb)
9861 return NULL;
9862
9863 hdr = nl80211hdr_put(skb, portid, seq, 0, cmd);
9864 if (!hdr) {
9865 kfree_skb(skb);
9866 return NULL;
9867 }
9868
9869 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
9870 goto nla_put_failure;
567ffc35
JB		 9871
9872 if (info) {
9873 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_ID,
9874 info->vendor_id))
9875 goto nla_put_failure;
9876 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_SUBCMD,
9877 info->subcmd))
9878 goto nla_put_failure;
9879 }
9880
6c09e791 9881 if (wdev) {
2dad624e
ND		 9882 if (nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
9883 wdev_id(wdev), NL80211_ATTR_PAD))
6c09e791
AK		 9884 goto nla_put_failure;
9885 if (wdev->netdev &&
9886 nla_put_u32(skb, NL80211_ATTR_IFINDEX,
9887 wdev->netdev->ifindex))
9888 goto nla_put_failure;
9889 }
9890
ae0be8de 9891 data = nla_nest_start_noflag(skb, attr);
76e1fb4b
JB		 9892 if (!data)
9893 goto nla_put_failure;
ad7e718c
JB		 9894
9895 ((void **)skb->cb)[0] = rdev;
9896 ((void **)skb->cb)[1] = hdr;
9897 ((void **)skb->cb)[2] = data;
9898
9899 return skb;
9900
9901 nla_put_failure:
9902 kfree_skb(skb);
9903 return NULL;
9904}
f4e583c8 9905
e03ad6ea 9906struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy,
6c09e791 9907 struct wireless_dev *wdev,
e03ad6ea
JB		 9908 enum nl80211_commands cmd,
9909 enum nl80211_attrs attr,
55c1fdf0 9910 unsigned int portid,
e03ad6ea
JB		 9911 int vendor_event_idx,
9912 int approxlen, gfp_t gfp)
9913{
f26cbf40 9914 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
e03ad6ea
JB		 9915 const struct nl80211_vendor_cmd_info *info;
9916
9917 switch (cmd) {
9918 case NL80211_CMD_TESTMODE:
9919 if (WARN_ON(vendor_event_idx != -1))
9920 return NULL;
9921 info = NULL;
9922 break;
9923 case NL80211_CMD_VENDOR:
9924 if (WARN_ON(vendor_event_idx < 0 ||
9925 vendor_event_idx >= wiphy->n_vendor_events))
9926 return NULL;
9927 info = &wiphy->vendor_events[vendor_event_idx];
9928 break;
9929 default:
9930 WARN_ON(1);
9931 return NULL;
9932 }
9933
55c1fdf0 9934 return __cfg80211_alloc_vendor_skb(rdev, wdev, approxlen, portid, 0,
e03ad6ea
JB		 9935 cmd, attr, info, gfp);
9936}
9937EXPORT_SYMBOL(__cfg80211_alloc_event_skb);
9938
9939void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp)
9940{
9941 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
9942 void *hdr = ((void **)skb->cb)[1];
55c1fdf0 9943 struct nlmsghdr *nlhdr = nlmsg_hdr(skb);
e03ad6ea
JB		 9944 struct nlattr *data = ((void **)skb->cb)[2];
9945 enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE;
9946
bd8c78e7
JB		 9947 /* clear CB data for netlink core to own from now on */
9948 memset(skb->cb, 0, sizeof(skb->cb));
9949
e03ad6ea
JB		 9950 nla_nest_end(skb, data);
9951 genlmsg_end(skb, hdr);
9952
55c1fdf0
JB		 9953 if (nlhdr->nlmsg_pid) {
9954 genlmsg_unicast(wiphy_net(&rdev->wiphy), skb,
9955 nlhdr->nlmsg_pid);
9956 } else {
9957 if (data->nla_type == NL80211_ATTR_VENDOR_DATA)
9958 mcgrp = NL80211_MCGRP_VENDOR;
e03ad6ea 9959
55c1fdf0
JB		 9960 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
9961 skb, 0, mcgrp, gfp);
9962 }
e03ad6ea
JB		 9963}
9964EXPORT_SYMBOL(__cfg80211_send_event_skb);
9965
aff89a9b 9966#ifdef CONFIG_NL80211_TESTMODE
aff89a9b
JB		 9967static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info)
9968{
4c476991 9969 struct cfg80211_registered_device *rdev = info->user_ptr[0];
fc73f11f
DS		 9970 struct wireless_dev *wdev =
9971 __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs);
aff89a9b
JB		 9972 int err;
9973
fc73f11f
DS		 9974 if (!rdev->ops->testmode_cmd)
9975 return -EOPNOTSUPP;
9976
9977 if (IS_ERR(wdev)) {
9978 err = PTR_ERR(wdev);
9979 if (err != -EINVAL)
9980 return err;
9981 wdev = NULL;
9982 } else if (wdev->wiphy != &rdev->wiphy) {
9983 return -EINVAL;
9984 }
9985
aff89a9b
JB		 9986 if (!info->attrs[NL80211_ATTR_TESTDATA])
9987 return -EINVAL;
9988
ad7e718c 9989 rdev->cur_cmd_info = info;
fc73f11f 9990 err = rdev_testmode_cmd(rdev, wdev,
aff89a9b
JB		 9991 nla_data(info->attrs[NL80211_ATTR_TESTDATA]),
9992 nla_len(info->attrs[NL80211_ATTR_TESTDATA]));
ad7e718c 9993 rdev->cur_cmd_info = NULL;
aff89a9b 9994
aff89a9b
JB		 9995 return err;
9996}
9997
71063f0e
WYG		 9998static int nl80211_testmode_dump(struct sk_buff *skb,
9999 struct netlink_callback *cb)
10000{
00918d33 10001 struct cfg80211_registered_device *rdev;
50508d94 10002 struct nlattr **attrbuf = NULL;
71063f0e
WYG		 10003 int err;
10004 long phy_idx;
10005 void *data = NULL;
10006 int data_len = 0;
10007
5fe231e8
JB		 10008 rtnl_lock();
10009
71063f0e
WYG		 10010 if (cb->args[0]) {
10011 /*
10012 * 0 is a valid index, but not valid for args[0],
10013 * so we need to offset by 1.
10014 */
10015 phy_idx = cb->args[0] - 1;
a4956dca
LC		 10016
10017 rdev = cfg80211_rdev_by_wiphy_idx(phy_idx);
10018 if (!rdev) {
10019 err = -ENOENT;
10020 goto out_err;
10021 }
71063f0e 10022 } else {
50508d94
JB		 10023 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf),
10024 GFP_KERNEL);
10025 if (!attrbuf) {
10026 err = -ENOMEM;
10027 goto out_err;
10028 }
c90c39da 10029
8cb08174
JB		 10030 err = nlmsg_parse_deprecated(cb->nlh,
10031 GENL_HDRLEN + nl80211_fam.hdrsize,
10032 attrbuf, nl80211_fam.maxattr,
10033 nl80211_policy, NULL);
71063f0e 10034 if (err)
5fe231e8 10035 goto out_err;
00918d33 10036
c90c39da 10037 rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
2bd7e35d 10038 if (IS_ERR(rdev)) {
5fe231e8
JB		 10039 err = PTR_ERR(rdev);
10040 goto out_err;
00918d33 10041 }
2bd7e35d 10042 phy_idx = rdev->wiphy_idx;
2bd7e35d 10043
c90c39da
JB		 10044 if (attrbuf[NL80211_ATTR_TESTDATA])
10045 cb->args[1] = (long)attrbuf[NL80211_ATTR_TESTDATA];
71063f0e
WYG		 10046 }
10047
10048 if (cb->args[1]) {
10049 data = nla_data((void *)cb->args[1]);
10050 data_len = nla_len((void *)cb->args[1]);
10051 }
10052
00918d33 10053 if (!rdev->ops->testmode_dump) {
71063f0e
WYG		 10054 err = -EOPNOTSUPP;
10055 goto out_err;
10056 }
10057
10058 while (1) {
15e47304 10059 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
71063f0e
WYG		 10060 cb->nlh->nlmsg_seq, NLM_F_MULTI,
10061 NL80211_CMD_TESTMODE);
10062 struct nlattr *tmdata;
10063
cb35fba3
DC		 10064 if (!hdr)
10065 break;
10066
9360ffd1 10067 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) {
71063f0e
WYG		 10068 genlmsg_cancel(skb, hdr);
10069 break;
10070 }
10071
ae0be8de 10072 tmdata = nla_nest_start_noflag(skb, NL80211_ATTR_TESTDATA);
71063f0e
WYG		 10073 if (!tmdata) {
10074 genlmsg_cancel(skb, hdr);
10075 break;
10076 }
e35e4d28 10077 err = rdev_testmode_dump(rdev, skb, cb, data, data_len);
71063f0e
WYG		 10078 nla_nest_end(skb, tmdata);
10079
10080 if (err == -ENOBUFS || err == -ENOENT) {
10081 genlmsg_cancel(skb, hdr);
10082 break;
10083 } else if (err) {
10084 genlmsg_cancel(skb, hdr);
10085 goto out_err;
10086 }
10087
10088 genlmsg_end(skb, hdr);
10089 }
10090
10091 err = skb->len;
10092 /* see above */
10093 cb->args[0] = phy_idx + 1;
10094 out_err:
50508d94 10095 kfree(attrbuf);
5fe231e8 10096 rtnl_unlock();
71063f0e
WYG		 10097 return err;
10098}
aff89a9b
JB		 10099#endif
10100
b23aa676
SO		 10101static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
10102{
4c476991
JB		 10103 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10104 struct net_device *dev = info->user_ptr[1];
b23aa676
SO		 10105 struct cfg80211_connect_params connect;
10106 struct wiphy *wiphy;
fffd0934 10107 struct cfg80211_cached_keys *connkeys = NULL;
b23aa676
SO		 10108 int err;
10109
10110 memset(&connect, 0, sizeof(connect));
10111
b23aa676
SO		 10112 if (!info->attrs[NL80211_ATTR_SSID] ||
10113 !nla_len(info->attrs[NL80211_ATTR_SSID]))
10114 return -EINVAL;
10115
10116 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
10117 connect.auth_type =
10118 nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
e39e5b5e
JM		 10119 if (!nl80211_valid_auth_type(rdev, connect.auth_type,
10120 NL80211_CMD_CONNECT))
b23aa676
SO		 10121 return -EINVAL;
10122 } else
10123 connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
10124
10125 connect.privacy = info->attrs[NL80211_ATTR_PRIVACY];
10126
3a00df57
AS		 10127 if (info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS] &&
10128 !wiphy_ext_feature_isset(&rdev->wiphy,
10129 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
10130 return -EINVAL;
10131 connect.want_1x = info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS];
10132
c0692b8f 10133 err = nl80211_crypto_settings(rdev, info, &connect.crypto,
3dc27d25 10134 NL80211_MAX_NR_CIPHER_SUITES);
b23aa676
SO		 10135 if (err)
10136 return err;
b23aa676 10137
074ac8df 10138 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 10139 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10140 return -EOPNOTSUPP;
b23aa676 10141
79c97e97 10142 wiphy = &rdev->wiphy;
b23aa676 10143
4486ea98
BS		 10144 connect.bg_scan_period = -1;
10145 if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] &&
10146 (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) {
10147 connect.bg_scan_period =
10148 nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]);
10149 }
10150
b23aa676
SO		 10151 if (info->attrs[NL80211_ATTR_MAC])
10152 connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
1df4a510
JM		 10153 else if (info->attrs[NL80211_ATTR_MAC_HINT])
10154 connect.bssid_hint =
10155 nla_data(info->attrs[NL80211_ATTR_MAC_HINT]);
b23aa676
SO		 10156 connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
10157 connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
10158
10159 if (info->attrs[NL80211_ATTR_IE]) {
10160 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10161 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
10162 }
10163
cee00a95
JM		 10164 if (info->attrs[NL80211_ATTR_USE_MFP]) {
10165 connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
65026002
EG		 10166 if (connect.mfp == NL80211_MFP_OPTIONAL &&
10167 !wiphy_ext_feature_isset(&rdev->wiphy,
10168 NL80211_EXT_FEATURE_MFP_OPTIONAL))
10169 return -EOPNOTSUPP;
cee00a95
JM		 10170 } else {
10171 connect.mfp = NL80211_MFP_NO;
10172 }
10173
ba6fbacf
JM		 10174 if (info->attrs[NL80211_ATTR_PREV_BSSID])
10175 connect.prev_bssid =
10176 nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
10177
b23aa676 10178 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
664834de
JM		 10179 connect.channel = nl80211_get_valid_chan(
10180 wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ]);
10181 if (!connect.channel)
1df4a510
JM		 10182 return -EINVAL;
10183 } else if (info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]) {
664834de
JM		 10184 connect.channel_hint = nl80211_get_valid_chan(
10185 wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]);
10186 if (!connect.channel_hint)
4c476991 10187 return -EINVAL;
b23aa676
SO		 10188 }
10189
2a38075c
AAL		 10190 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]) {
10191 connect.edmg.channels =
10192 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]);
10193
10194 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG])
10195 connect.edmg.bw_config =
10196 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG]);
10197 }
10198
fffd0934 10199 if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) {
768075eb 10200 connkeys = nl80211_parse_connkeys(rdev, info, NULL);
4c476991
JB		 10201 if (IS_ERR(connkeys))
10202 return PTR_ERR(connkeys);
fffd0934
JB		 10203 }
10204
7e7c8926
BG		 10205 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
10206 connect.flags |= ASSOC_REQ_DISABLE_HT;
10207
10208 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
10209 memcpy(&connect.ht_capa_mask,
10210 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
10211 sizeof(connect.ht_capa_mask));
10212
10213 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
b4e4f47e 10214 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) {
b47f610b 10215 kzfree(connkeys);
7e7c8926 10216 return -EINVAL;
b4e4f47e 10217 }
7e7c8926
BG		 10218 memcpy(&connect.ht_capa,
10219 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
10220 sizeof(connect.ht_capa));
10221 }
10222
ee2aca34
JB		 10223 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
10224 connect.flags |= ASSOC_REQ_DISABLE_VHT;
10225
10226 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
10227 memcpy(&connect.vht_capa_mask,
10228 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
10229 sizeof(connect.vht_capa_mask));
10230
10231 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
10232 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) {
b47f610b 10233 kzfree(connkeys);
ee2aca34
JB		 10234 return -EINVAL;
10235 }
10236 memcpy(&connect.vht_capa,
10237 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
10238 sizeof(connect.vht_capa));
10239 }
10240
bab5ab7d 10241 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
0c9ca11b
BL		 10242 if (!((rdev->wiphy.features &
10243 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
10244 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
10245 !wiphy_ext_feature_isset(&rdev->wiphy,
10246 NL80211_EXT_FEATURE_RRM)) {
707554b4 10247 kzfree(connkeys);
bab5ab7d 10248 return -EINVAL;
707554b4 10249 }
bab5ab7d
AK		 10250 connect.flags |= ASSOC_REQ_USE_RRM;
10251 }
10252
34d50519 10253 connect.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
57fbcce3 10254 if (connect.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) {
34d50519
LD		 10255 kzfree(connkeys);
10256 return -EOPNOTSUPP;
10257 }
10258
38de03d2
AS		 10259 if (info->attrs[NL80211_ATTR_BSS_SELECT]) {
10260 /* bss selection makes no sense if bssid is set */
10261 if (connect.bssid) {
10262 kzfree(connkeys);
10263 return -EINVAL;
10264 }
10265
10266 err = parse_bss_select(info->attrs[NL80211_ATTR_BSS_SELECT],
10267 wiphy, &connect.bss_select);
10268 if (err) {
10269 kzfree(connkeys);
10270 return err;
10271 }
10272 }
10273
a3caf744
VK		 10274 if (wiphy_ext_feature_isset(&rdev->wiphy,
10275 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) &&
10276 info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] &&
10277 info->attrs[NL80211_ATTR_FILS_ERP_REALM] &&
10278 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] &&
10279 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
10280 connect.fils_erp_username =
10281 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
10282 connect.fils_erp_username_len =
10283 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
10284 connect.fils_erp_realm =
10285 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
10286 connect.fils_erp_realm_len =
10287 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
10288 connect.fils_erp_next_seq_num =
10289 nla_get_u16(
10290 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]);
10291 connect.fils_erp_rrk =
10292 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
10293 connect.fils_erp_rrk_len =
10294 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
10295 } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] ||
10296 info->attrs[NL80211_ATTR_FILS_ERP_REALM] ||
10297 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] ||
10298 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
10299 kzfree(connkeys);
10300 return -EINVAL;
10301 }
10302
40cbfa90
SD		 10303 if (nla_get_flag(info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])) {
10304 if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
2f0605a6 10305 kzfree(connkeys);
40cbfa90
SD		 10306 GENL_SET_ERR_MSG(info,
10307 "external auth requires connection ownership");
10308 return -EINVAL;
10309 }
10310 connect.flags |= CONNECT_REQ_EXTERNAL_AUTH_SUPPORT;
10311 }
10312
83739b03 10313 wdev_lock(dev->ieee80211_ptr);
bd2522b1 10314
4ce2bd9c
JM		 10315 err = cfg80211_connect(rdev, dev, &connect, connkeys,
10316 connect.prev_bssid);
fffd0934 10317 if (err)
b47f610b 10318 kzfree(connkeys);
bd2522b1
AZ		 10319
10320 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
10321 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
10322 if (connect.bssid)
10323 memcpy(dev->ieee80211_ptr->disconnect_bssid,
10324 connect.bssid, ETH_ALEN);
10325 else
10326 memset(dev->ieee80211_ptr->disconnect_bssid,
10327 0, ETH_ALEN);
10328 }
10329
10330 wdev_unlock(dev->ieee80211_ptr);
10331
b23aa676
SO		 10332 return err;
10333}
10334
088e8df8 10335static int nl80211_update_connect_params(struct sk_buff *skb,
10336 struct genl_info *info)
10337{
10338 struct cfg80211_connect_params connect = {};
10339 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10340 struct net_device *dev = info->user_ptr[1];
10341 struct wireless_dev *wdev = dev->ieee80211_ptr;
7f9a3e15
VK		 10342 bool fils_sk_offload;
10343 u32 auth_type;
088e8df8 10344 u32 changed = 0;
10345 int ret;
10346
10347 if (!rdev->ops->update_connect_params)
10348 return -EOPNOTSUPP;
10349
10350 if (info->attrs[NL80211_ATTR_IE]) {
088e8df8 10351 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10352 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
10353 changed |= UPDATE_ASSOC_IES;
10354 }
10355
7f9a3e15
VK		 10356 fils_sk_offload = wiphy_ext_feature_isset(&rdev->wiphy,
10357 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD);
10358
10359 /*
10360 * when driver supports fils-sk offload all attributes must be
10361 * provided. So the else covers "fils-sk-not-all" and
10362 * "no-fils-sk-any".
10363 */
10364 if (fils_sk_offload &&
10365 info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] &&
10366 info->attrs[NL80211_ATTR_FILS_ERP_REALM] &&
10367 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] &&
10368 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
10369 connect.fils_erp_username =
10370 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
10371 connect.fils_erp_username_len =
10372 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
10373 connect.fils_erp_realm =
10374 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
10375 connect.fils_erp_realm_len =
10376 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
10377 connect.fils_erp_next_seq_num =
10378 nla_get_u16(
10379 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]);
10380 connect.fils_erp_rrk =
10381 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
10382 connect.fils_erp_rrk_len =
10383 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
10384 changed |= UPDATE_FILS_ERP_INFO;
10385 } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] ||
10386 info->attrs[NL80211_ATTR_FILS_ERP_REALM] ||
10387 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] ||
10388 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
10389 return -EINVAL;
10390 }
10391
10392 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
10393 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
10394 if (!nl80211_valid_auth_type(rdev, auth_type,
10395 NL80211_CMD_CONNECT))
10396 return -EINVAL;
10397
10398 if (auth_type == NL80211_AUTHTYPE_FILS_SK &&
10399 fils_sk_offload && !(changed & UPDATE_FILS_ERP_INFO))
10400 return -EINVAL;
10401
10402 connect.auth_type = auth_type;
10403 changed |= UPDATE_AUTH_TYPE;
10404 }
10405
088e8df8 10406 wdev_lock(dev->ieee80211_ptr);
10407 if (!wdev->current_bss)
10408 ret = -ENOLINK;
10409 else
10410 ret = rdev_update_connect_params(rdev, dev, &connect, changed);
10411 wdev_unlock(dev->ieee80211_ptr);
10412
10413 return ret;
10414}
10415
b23aa676
SO		 10416static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
10417{
4c476991
JB		 10418 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10419 struct net_device *dev = info->user_ptr[1];
b23aa676 10420 u16 reason;
83739b03 10421 int ret;
b23aa676 10422
bad29297
AZ		 10423 if (dev->ieee80211_ptr->conn_owner_nlportid &&
10424 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
10425 return -EPERM;
10426
b23aa676
SO		 10427 if (!info->attrs[NL80211_ATTR_REASON_CODE])
10428 reason = WLAN_REASON_DEAUTH_LEAVING;
10429 else
10430 reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
10431
10432 if (reason == 0)
10433 return -EINVAL;
10434
074ac8df 10435 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 10436 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10437 return -EOPNOTSUPP;
b23aa676 10438
83739b03
JB		 10439 wdev_lock(dev->ieee80211_ptr);
10440 ret = cfg80211_disconnect(rdev, dev, reason, true);
10441 wdev_unlock(dev->ieee80211_ptr);
10442 return ret;
b23aa676
SO		 10443}
10444
463d0183
JB		 10445static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info)
10446{
4c476991 10447 struct cfg80211_registered_device *rdev = info->user_ptr[0];
463d0183
JB		 10448 struct net *net;
10449 int err;
463d0183 10450
4b681c82
VK		 10451 if (info->attrs[NL80211_ATTR_PID]) {
10452 u32 pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]);
10453
10454 net = get_net_ns_by_pid(pid);
10455 } else if (info->attrs[NL80211_ATTR_NETNS_FD]) {
10456 u32 fd = nla_get_u32(info->attrs[NL80211_ATTR_NETNS_FD]);
463d0183 10457
4b681c82
VK		 10458 net = get_net_ns_by_fd(fd);
10459 } else {
10460 return -EINVAL;
10461 }
463d0183 10462
4c476991
JB		 10463 if (IS_ERR(net))
10464 return PTR_ERR(net);
463d0183
JB		 10465
10466 err = 0;
10467
10468 /* check if anything to do */
4c476991
JB		 10469 if (!net_eq(wiphy_net(&rdev->wiphy), net))
10470 err = cfg80211_switch_netns(rdev, net);
463d0183 10471
463d0183 10472 put_net(net);
463d0183
JB		 10473 return err;
10474}
10475
67fbb16b
SO		 10476static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info)
10477{
4c476991 10478 struct cfg80211_registered_device *rdev = info->user_ptr[0];
67fbb16b
SO		 10479 int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev,
10480 struct cfg80211_pmksa *pmksa) = NULL;
4c476991 10481 struct net_device *dev = info->user_ptr[1];
67fbb16b
SO		 10482 struct cfg80211_pmksa pmksa;
10483
10484 memset(&pmksa, 0, sizeof(struct cfg80211_pmksa));
10485
67fbb16b
SO		 10486 if (!info->attrs[NL80211_ATTR_PMKID])
10487 return -EINVAL;
10488
67fbb16b 10489 pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
a3caf744
VK		 10490
10491 if (info->attrs[NL80211_ATTR_MAC]) {
10492 pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
10493 } else if (info->attrs[NL80211_ATTR_SSID] &&
10494 info->attrs[NL80211_ATTR_FILS_CACHE_ID] &&
10495 (info->genlhdr->cmd == NL80211_CMD_DEL_PMKSA ||
10496 info->attrs[NL80211_ATTR_PMK])) {
10497 pmksa.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
10498 pmksa.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
10499 pmksa.cache_id =
10500 nla_data(info->attrs[NL80211_ATTR_FILS_CACHE_ID]);
10501 } else {
10502 return -EINVAL;
10503 }
10504 if (info->attrs[NL80211_ATTR_PMK]) {
10505 pmksa.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
10506 pmksa.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
10507 }
67fbb16b 10508
074ac8df 10509 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
6c900360
LD		 10510 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT &&
10511 !(dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP &&
10512 wiphy_ext_feature_isset(&rdev->wiphy,
10513 NL80211_EXT_FEATURE_AP_PMKSA_CACHING)))
4c476991 10514 return -EOPNOTSUPP;
67fbb16b
SO		 10515
10516 switch (info->genlhdr->cmd) {
10517 case NL80211_CMD_SET_PMKSA:
10518 rdev_ops = rdev->ops->set_pmksa;
10519 break;
10520 case NL80211_CMD_DEL_PMKSA:
10521 rdev_ops = rdev->ops->del_pmksa;
10522 break;
10523 default:
10524 WARN_ON(1);
10525 break;
10526 }
10527
4c476991
JB		 10528 if (!rdev_ops)
10529 return -EOPNOTSUPP;
67fbb16b 10530
4c476991 10531 return rdev_ops(&rdev->wiphy, dev, &pmksa);
67fbb16b
SO		 10532}
10533
10534static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info)
10535{
4c476991
JB		 10536 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10537 struct net_device *dev = info->user_ptr[1];
67fbb16b 10538
074ac8df 10539 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 10540 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10541 return -EOPNOTSUPP;
67fbb16b 10542
4c476991
JB		 10543 if (!rdev->ops->flush_pmksa)
10544 return -EOPNOTSUPP;
67fbb16b 10545
e35e4d28 10546 return rdev_flush_pmksa(rdev, dev);
67fbb16b
SO		 10547}
10548
109086ce
AN		 10549static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info)
10550{
10551 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10552 struct net_device *dev = info->user_ptr[1];
10553 u8 action_code, dialog_token;
df942e7b 10554 u32 peer_capability = 0;
109086ce
AN		 10555 u16 status_code;
10556 u8 *peer;
31fa97c5 10557 bool initiator;
109086ce
AN		 10558
10559 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
10560 !rdev->ops->tdls_mgmt)
10561 return -EOPNOTSUPP;
10562
10563 if (!info->attrs[NL80211_ATTR_TDLS_ACTION] ||
10564 !info->attrs[NL80211_ATTR_STATUS_CODE] ||
10565 !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] ||
10566 !info->attrs[NL80211_ATTR_IE] ||
10567 !info->attrs[NL80211_ATTR_MAC])
10568 return -EINVAL;
10569
10570 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
10571 action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]);
10572 status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
10573 dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]);
31fa97c5 10574 initiator = nla_get_flag(info->attrs[NL80211_ATTR_TDLS_INITIATOR]);
df942e7b
SDU		 10575 if (info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY])
10576 peer_capability =
10577 nla_get_u32(info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]);
109086ce 10578
e35e4d28 10579 return rdev_tdls_mgmt(rdev, dev, peer, action_code,
df942e7b 10580 dialog_token, status_code, peer_capability,
31fa97c5 10581 initiator,
e35e4d28
HG		 10582 nla_data(info->attrs[NL80211_ATTR_IE]),
10583 nla_len(info->attrs[NL80211_ATTR_IE]));
109086ce
AN		 10584}
10585
10586static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info)
10587{
10588 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10589 struct net_device *dev = info->user_ptr[1];
10590 enum nl80211_tdls_operation operation;
10591 u8 *peer;
10592
10593 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
10594 !rdev->ops->tdls_oper)
10595 return -EOPNOTSUPP;
10596
10597 if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] ||
10598 !info->attrs[NL80211_ATTR_MAC])
10599 return -EINVAL;
10600
10601 operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]);
10602 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
10603
e35e4d28 10604 return rdev_tdls_oper(rdev, dev, peer, operation);
109086ce
AN		 10605}
10606
9588bbd5
JM		 10607static int nl80211_remain_on_channel(struct sk_buff *skb,
10608 struct genl_info *info)
10609{
4c476991 10610 struct cfg80211_registered_device *rdev = info->user_ptr[0];
71bbc994 10611 struct wireless_dev *wdev = info->user_ptr[1];
683b6d3b 10612 struct cfg80211_chan_def chandef;
34373d12 10613 const struct cfg80211_chan_def *compat_chandef;
9588bbd5
JM		 10614 struct sk_buff *msg;
10615 void *hdr;
10616 u64 cookie;
683b6d3b 10617 u32 duration;
9588bbd5
JM		 10618 int err;
10619
10620 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
10621 !info->attrs[NL80211_ATTR_DURATION])
10622 return -EINVAL;
10623
10624 duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
10625
ebf348fc
JB		 10626 if (!rdev->ops->remain_on_channel ||
10627 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL))
10628 return -EOPNOTSUPP;
10629
9588bbd5 10630 /*
ebf348fc
JB		 10631 * We should be on that channel for at least a minimum amount of
10632 * time (10ms) but no longer than the driver supports.
9588bbd5 10633 */
ebf348fc 10634 if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
a293911d 10635 duration > rdev->wiphy.max_remain_on_channel_duration)
9588bbd5
JM		 10636 return -EINVAL;
10637
683b6d3b
JB		 10638 err = nl80211_parse_chandef(rdev, info, &chandef);
10639 if (err)
10640 return err;
9588bbd5 10641
34373d12
VT		 10642 wdev_lock(wdev);
10643 if (!cfg80211_off_channel_oper_allowed(wdev) &&
10644 !cfg80211_chandef_identical(&wdev->chandef, &chandef)) {
10645 compat_chandef = cfg80211_chandef_compatible(&wdev->chandef,
10646 &chandef);
10647 if (compat_chandef != &chandef) {
10648 wdev_unlock(wdev);
10649 return -EBUSY;
10650 }
10651 }
10652 wdev_unlock(wdev);
10653
9588bbd5 10654 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4c476991
JB		 10655 if (!msg)
10656 return -ENOMEM;
9588bbd5 10657
15e47304 10658 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
9588bbd5 10659 NL80211_CMD_REMAIN_ON_CHANNEL);
cb35fba3
DC		 10660 if (!hdr) {
10661 err = -ENOBUFS;
9588bbd5
JM		 10662 goto free_msg;
10663 }
10664
683b6d3b
JB		 10665 err = rdev_remain_on_channel(rdev, wdev, chandef.chan,
10666 duration, &cookie);
9588bbd5
JM		 10667
10668 if (err)
10669 goto free_msg;
10670
2dad624e
ND		 10671 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
10672 NL80211_ATTR_PAD))
9360ffd1 10673 goto nla_put_failure;
9588bbd5
JM		 10674
10675 genlmsg_end(msg, hdr);
4c476991
JB		 10676
10677 return genlmsg_reply(msg, info);
9588bbd5
JM		 10678
10679 nla_put_failure:
10680 err = -ENOBUFS;
10681 free_msg:
10682 nlmsg_free(msg);
9588bbd5
JM		 10683 return err;
10684}
10685
10686static int nl80211_cancel_remain_on_channel(struct sk_buff *skb,
10687 struct genl_info *info)
10688{
4c476991 10689 struct cfg80211_registered_device *rdev = info->user_ptr[0];
71bbc994 10690 struct wireless_dev *wdev = info->user_ptr[1];
9588bbd5 10691 u64 cookie;
9588bbd5
JM		 10692
10693 if (!info->attrs[NL80211_ATTR_COOKIE])
10694 return -EINVAL;
10695
4c476991
JB		 10696 if (!rdev->ops->cancel_remain_on_channel)
10697 return -EOPNOTSUPP;
9588bbd5 10698
9588bbd5
JM		 10699 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
10700
e35e4d28 10701 return rdev_cancel_remain_on_channel(rdev, wdev, cookie);
9588bbd5
JM		 10702}
10703
13ae75b1
JM		 10704static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
10705 struct genl_info *info)
10706{
13ae75b1 10707 struct cfg80211_bitrate_mask mask;
a7c7fbff 10708 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4c476991 10709 struct net_device *dev = info->user_ptr[1];
a7c7fbff 10710 int err;
13ae75b1 10711
4c476991
JB		 10712 if (!rdev->ops->set_bitrate_mask)
10713 return -EOPNOTSUPP;
13ae75b1 10714
a7c7fbff
PK		 10715 err = nl80211_parse_tx_bitrate_mask(info, &mask);
10716 if (err)
10717 return err;
13ae75b1 10718
e35e4d28 10719 return rdev_set_bitrate_mask(rdev, dev, NULL, &mask);
13ae75b1
JM		 10720}
10721
2e161f78 10722static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
026331c4 10723{
4c476991 10724 struct cfg80211_registered_device *rdev = info->user_ptr[0];
71bbc994 10725 struct wireless_dev *wdev = info->user_ptr[1];
2e161f78 10726 u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION;
026331c4
JM		 10727
10728 if (!info->attrs[NL80211_ATTR_FRAME_MATCH])
10729 return -EINVAL;
10730
2e161f78
JB		 10731 if (info->attrs[NL80211_ATTR_FRAME_TYPE])
10732 frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]);
026331c4 10733
71bbc994
JB		 10734 switch (wdev->iftype) {
10735 case NL80211_IFTYPE_STATION:
10736 case NL80211_IFTYPE_ADHOC:
10737 case NL80211_IFTYPE_P2P_CLIENT:
10738 case NL80211_IFTYPE_AP:
10739 case NL80211_IFTYPE_AP_VLAN:
10740 case NL80211_IFTYPE_MESH_POINT:
10741 case NL80211_IFTYPE_P2P_GO:
98104fde 10742 case NL80211_IFTYPE_P2P_DEVICE:
71bbc994 10743 break;
cb3b7d87 10744 case NL80211_IFTYPE_NAN:
71bbc994 10745 default:
4c476991 10746 return -EOPNOTSUPP;
71bbc994 10747 }
026331c4
JM		 10748
10749 /* not much point in registering if we can't reply */
4c476991
JB		 10750 if (!rdev->ops->mgmt_tx)
10751 return -EOPNOTSUPP;
026331c4 10752
15e47304 10753 return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type,
ff74c51e
IP		 10754 nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]),
10755 nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH]),
10756 info->extack);
026331c4
JM		 10757}
10758
2e161f78 10759static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
026331c4 10760{
4c476991 10761 struct cfg80211_registered_device *rdev = info->user_ptr[0];
71bbc994 10762 struct wireless_dev *wdev = info->user_ptr[1];
683b6d3b 10763 struct cfg80211_chan_def chandef;
026331c4 10764 int err;
d64d373f 10765 void *hdr = NULL;
026331c4 10766 u64 cookie;
e247bd90 10767 struct sk_buff *msg = NULL;
b176e629
AO		 10768 struct cfg80211_mgmt_tx_params params = {
10769 .dont_wait_for_ack =
10770 info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK],
10771 };
026331c4 10772
683b6d3b 10773 if (!info->attrs[NL80211_ATTR_FRAME])
026331c4
JM		 10774 return -EINVAL;
10775
4c476991
JB		 10776 if (!rdev->ops->mgmt_tx)
10777 return -EOPNOTSUPP;
026331c4 10778
71bbc994 10779 switch (wdev->iftype) {
ea141b75
AQ		 10780 case NL80211_IFTYPE_P2P_DEVICE:
10781 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
10782 return -EINVAL;
71bbc994
JB		 10783 case NL80211_IFTYPE_STATION:
10784 case NL80211_IFTYPE_ADHOC:
10785 case NL80211_IFTYPE_P2P_CLIENT:
10786 case NL80211_IFTYPE_AP:
10787 case NL80211_IFTYPE_AP_VLAN:
10788 case NL80211_IFTYPE_MESH_POINT:
10789 case NL80211_IFTYPE_P2P_GO:
10790 break;
cb3b7d87 10791 case NL80211_IFTYPE_NAN:
71bbc994 10792 default:
4c476991 10793 return -EOPNOTSUPP;
71bbc994 10794 }
026331c4 10795
f7ca38df 10796 if (info->attrs[NL80211_ATTR_DURATION]) {
7c4ef712 10797 if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
f7ca38df 10798 return -EINVAL;
b176e629 10799 params.wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
ebf348fc
JB		 10800
10801 /*
10802 * We should wait on the channel for at least a minimum amount
10803 * of time (10ms) but no longer than the driver supports.
10804 */
b176e629
AO		 10805 if (params.wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
10806 params.wait > rdev->wiphy.max_remain_on_channel_duration)
ebf348fc 10807 return -EINVAL;
f7ca38df
JB		 10808 }
10809
b176e629 10810 params.offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK];
f7ca38df 10811
b176e629 10812 if (params.offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
7c4ef712
JB		 10813 return -EINVAL;
10814
b176e629 10815 params.no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
e9f935e3 10816
ea141b75
AQ		 10817 /* get the channel if any has been specified, otherwise pass NULL to
10818 * the driver. The latter will use the current one
10819 */
10820 chandef.chan = NULL;
10821 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
10822 err = nl80211_parse_chandef(rdev, info, &chandef);
10823 if (err)
10824 return err;
10825 }
10826
b176e629 10827 if (!chandef.chan && params.offchan)
ea141b75 10828 return -EINVAL;
026331c4 10829
34373d12
VT		 10830 wdev_lock(wdev);
10831 if (params.offchan && !cfg80211_off_channel_oper_allowed(wdev)) {
10832 wdev_unlock(wdev);
10833 return -EBUSY;
10834 }
10835 wdev_unlock(wdev);
10836
34d22ce2
AO		 10837 params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
10838 params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
10839
10840 if (info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]) {
10841 int len = nla_len(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
10842 int i;
10843
10844 if (len % sizeof(u16))
10845 return -EINVAL;
10846
10847 params.n_csa_offsets = len / sizeof(u16);
10848 params.csa_offsets =
10849 nla_data(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
10850
10851 /* check that all the offsets fit the frame */
10852 for (i = 0; i < params.n_csa_offsets; i++) {
10853 if (params.csa_offsets[i] >= params.len)
10854 return -EINVAL;
10855 }
10856 }
10857
b176e629 10858 if (!params.dont_wait_for_ack) {
e247bd90
JB		 10859 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
10860 if (!msg)
10861 return -ENOMEM;
026331c4 10862
15e47304 10863 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
e247bd90 10864 NL80211_CMD_FRAME);
cb35fba3
DC		 10865 if (!hdr) {
10866 err = -ENOBUFS;
e247bd90
JB		 10867 goto free_msg;
10868 }
026331c4 10869 }
e247bd90 10870
b176e629
AO		 10871 params.chan = chandef.chan;
10872 err = cfg80211_mlme_mgmt_tx(rdev, wdev, &params, &cookie);
026331c4
JM		 10873 if (err)
10874 goto free_msg;
10875
e247bd90 10876 if (msg) {
2dad624e
ND		 10877 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
10878 NL80211_ATTR_PAD))
9360ffd1 10879 goto nla_put_failure;
026331c4 10880
e247bd90
JB		 10881 genlmsg_end(msg, hdr);
10882 return genlmsg_reply(msg, info);
10883 }
10884
10885 return 0;
026331c4
JM		 10886
10887 nla_put_failure:
10888 err = -ENOBUFS;
10889 free_msg:
10890 nlmsg_free(msg);
026331c4
JM		 10891 return err;
10892}
10893
f7ca38df
JB		 10894static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info)
10895{
10896 struct cfg80211_registered_device *rdev = info->user_ptr[0];
71bbc994 10897 struct wireless_dev *wdev = info->user_ptr[1];
f7ca38df
JB		 10898 u64 cookie;
10899
10900 if (!info->attrs[NL80211_ATTR_COOKIE])
10901 return -EINVAL;
10902
10903 if (!rdev->ops->mgmt_tx_cancel_wait)
10904 return -EOPNOTSUPP;
10905
71bbc994
JB		 10906 switch (wdev->iftype) {
10907 case NL80211_IFTYPE_STATION:
10908 case NL80211_IFTYPE_ADHOC:
10909 case NL80211_IFTYPE_P2P_CLIENT:
10910 case NL80211_IFTYPE_AP:
10911 case NL80211_IFTYPE_AP_VLAN:
10912 case NL80211_IFTYPE_P2P_GO:
98104fde 10913 case NL80211_IFTYPE_P2P_DEVICE:
71bbc994 10914 break;
cb3b7d87 10915 case NL80211_IFTYPE_NAN:
71bbc994 10916 default:
f7ca38df 10917 return -EOPNOTSUPP;
71bbc994 10918 }
f7ca38df
JB		 10919
10920 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
10921
e35e4d28 10922 return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie);
f7ca38df
JB		 10923}
10924
ffb9eb3d
KV		 10925static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info)
10926{
4c476991 10927 struct cfg80211_registered_device *rdev = info->user_ptr[0];
ffb9eb3d 10928 struct wireless_dev *wdev;
4c476991 10929 struct net_device *dev = info->user_ptr[1];
ffb9eb3d
KV		 10930 u8 ps_state;
10931 bool state;
10932 int err;
10933
4c476991
JB		 10934 if (!info->attrs[NL80211_ATTR_PS_STATE])
10935 return -EINVAL;
ffb9eb3d
KV		 10936
10937 ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]);
10938
ffb9eb3d
KV		 10939 wdev = dev->ieee80211_ptr;
10940
4c476991
JB		 10941 if (!rdev->ops->set_power_mgmt)
10942 return -EOPNOTSUPP;
ffb9eb3d
KV		 10943
10944 state = (ps_state == NL80211_PS_ENABLED) ? true : false;
10945
10946 if (state == wdev->ps)
4c476991 10947 return 0;
ffb9eb3d 10948
e35e4d28 10949 err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout);
4c476991
JB		 10950 if (!err)
10951 wdev->ps = state;
ffb9eb3d
KV		 10952 return err;
10953}
10954
10955static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info)
10956{
4c476991 10957 struct cfg80211_registered_device *rdev = info->user_ptr[0];
ffb9eb3d
KV		 10958 enum nl80211_ps_state ps_state;
10959 struct wireless_dev *wdev;
4c476991 10960 struct net_device *dev = info->user_ptr[1];
ffb9eb3d
KV		 10961 struct sk_buff *msg;
10962 void *hdr;
10963 int err;
10964
ffb9eb3d
KV		 10965 wdev = dev->ieee80211_ptr;
10966
4c476991
JB		 10967 if (!rdev->ops->set_power_mgmt)
10968 return -EOPNOTSUPP;
ffb9eb3d
KV		 10969
10970 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4c476991
JB		 10971 if (!msg)
10972 return -ENOMEM;
ffb9eb3d 10973
15e47304 10974 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
ffb9eb3d
KV		 10975 NL80211_CMD_GET_POWER_SAVE);
10976 if (!hdr) {
4c476991 10977 err = -ENOBUFS;
ffb9eb3d
KV		 10978 goto free_msg;
10979 }
10980
10981 if (wdev->ps)
10982 ps_state = NL80211_PS_ENABLED;
10983 else
10984 ps_state = NL80211_PS_DISABLED;
10985
9360ffd1
DM		 10986 if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state))
10987 goto nla_put_failure;
ffb9eb3d
KV		 10988
10989 genlmsg_end(msg, hdr);
4c476991 10990 return genlmsg_reply(msg, info);
ffb9eb3d 10991
4c476991 10992 nla_put_failure:
ffb9eb3d 10993 err = -ENOBUFS;
4c476991 10994 free_msg:
ffb9eb3d 10995 nlmsg_free(msg);
ffb9eb3d
KV		 10996 return err;
10997}
10998
94e860f1
JB		 10999static const struct nla_policy
11000nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] = {
4a4b8169 11001 [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_BINARY },
d6dc1a38
JO		 11002 [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 },
11003 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
84f10708
TP		 11004 [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 },
11005 [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 },
11006 [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 },
bee427b8 11007 [NL80211_ATTR_CQM_RSSI_LEVEL] = { .type = NLA_S32 },
d6dc1a38
JO		 11008};
11009
84f10708 11010static int nl80211_set_cqm_txe(struct genl_info *info,
d9d8b019 11011 u32 rate, u32 pkts, u32 intvl)
84f10708
TP		 11012{
11013 struct cfg80211_registered_device *rdev = info->user_ptr[0];
84f10708 11014 struct net_device *dev = info->user_ptr[1];
1da5fcc8 11015 struct wireless_dev *wdev = dev->ieee80211_ptr;
84f10708 11016
d9d8b019 11017 if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL)
84f10708
TP		 11018 return -EINVAL;
11019
84f10708
TP		 11020 if (!rdev->ops->set_cqm_txe_config)
11021 return -EOPNOTSUPP;
11022
11023 if (wdev->iftype != NL80211_IFTYPE_STATION &&
11024 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
11025 return -EOPNOTSUPP;
11026
e35e4d28 11027 return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl);
84f10708
TP		 11028}
11029
4a4b8169
AZ		 11030static int cfg80211_cqm_rssi_update(struct cfg80211_registered_device *rdev,
11031 struct net_device *dev)
11032{
11033 struct wireless_dev *wdev = dev->ieee80211_ptr;
11034 s32 last, low, high;
11035 u32 hyst;
1222a160 11036 int i, n, low_index;
4a4b8169
AZ		 11037 int err;
11038
11039 /* RSSI reporting disabled? */
11040 if (!wdev->cqm_config)
11041 return rdev_set_cqm_rssi_range_config(rdev, dev, 0, 0);
11042
11043 /*
11044 * Obtain current RSSI value if possible, if not and no RSSI threshold
11045 * event has been received yet, we should receive an event after a
11046 * connection is established and enough beacons received to calculate
11047 * the average.
11048 */
11049 if (!wdev->cqm_config->last_rssi_event_value && wdev->current_bss &&
11050 rdev->ops->get_station) {
73887fd9 11051 struct station_info sinfo = {};
4a4b8169
AZ		 11052 u8 *mac_addr;
11053
11054 mac_addr = wdev->current_bss->pub.bssid;
11055
73887fd9
JB		 11056 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
11057 if (err)
4a4b8169
AZ		 11058 return err;
11059
df16737d 11060 cfg80211_sinfo_release_content(&sinfo);
397c657a 11061 if (sinfo.filled & BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG))
4a4b8169 11062 wdev->cqm_config->last_rssi_event_value =
73887fd9 11063 (s8) sinfo.rx_beacon_signal_avg;
4a4b8169
AZ		 11064 }
11065
11066 last = wdev->cqm_config->last_rssi_event_value;
11067 hyst = wdev->cqm_config->rssi_hyst;
11068 n = wdev->cqm_config->n_rssi_thresholds;
11069
4b2c5a14
MH		 11070 for (i = 0; i < n; i++) {
11071 i = array_index_nospec(i, n);
4a4b8169
AZ		 11072 if (last < wdev->cqm_config->rssi_thresholds[i])
11073 break;
4b2c5a14 11074 }
4a4b8169 11075
1222a160
MH		 11076 low_index = i - 1;
11077 if (low_index >= 0) {
11078 low_index = array_index_nospec(low_index, n);
11079 low = wdev->cqm_config->rssi_thresholds[low_index] - hyst;
11080 } else {
11081 low = S32_MIN;
11082 }
11083 if (i < n) {
11084 i = array_index_nospec(i, n);
11085 high = wdev->cqm_config->rssi_thresholds[i] + hyst - 1;
11086 } else {
11087 high = S32_MAX;
11088 }
4a4b8169
AZ		 11089
11090 return rdev_set_cqm_rssi_range_config(rdev, dev, low, high);
11091}
11092
d6dc1a38 11093static int nl80211_set_cqm_rssi(struct genl_info *info,
4a4b8169
AZ		 11094 const s32 *thresholds, int n_thresholds,
11095 u32 hysteresis)
d6dc1a38 11096{
4c476991 11097 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4c476991 11098 struct net_device *dev = info->user_ptr[1];
1da5fcc8 11099 struct wireless_dev *wdev = dev->ieee80211_ptr;
4a4b8169
AZ		 11100 int i, err;
11101 s32 prev = S32_MIN;
d6dc1a38 11102
4a4b8169
AZ		 11103 /* Check all values negative and sorted */
11104 for (i = 0; i < n_thresholds; i++) {
11105 if (thresholds[i] > 0 || thresholds[i] <= prev)
11106 return -EINVAL;
d6dc1a38 11107
4a4b8169
AZ		 11108 prev = thresholds[i];
11109 }
d6dc1a38 11110
074ac8df 11111 if (wdev->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 11112 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
11113 return -EOPNOTSUPP;
d6dc1a38 11114
4a4b8169
AZ		 11115 wdev_lock(wdev);
11116 cfg80211_cqm_config_free(wdev);
11117 wdev_unlock(wdev);
11118
11119 if (n_thresholds <= 1 && rdev->ops->set_cqm_rssi_config) {
11120 if (n_thresholds == 0 || thresholds[0] == 0) /* Disabling */
11121 return rdev_set_cqm_rssi_config(rdev, dev, 0, 0);
11122
11123 return rdev_set_cqm_rssi_config(rdev, dev,
11124 thresholds[0], hysteresis);
11125 }
11126
11127 if (!wiphy_ext_feature_isset(&rdev->wiphy,
11128 NL80211_EXT_FEATURE_CQM_RSSI_LIST))
11129 return -EOPNOTSUPP;
11130
11131 if (n_thresholds == 1 && thresholds[0] == 0) /* Disabling */
11132 n_thresholds = 0;
11133
11134 wdev_lock(wdev);
11135 if (n_thresholds) {
11136 struct cfg80211_cqm_config *cqm_config;
11137
11138 cqm_config = kzalloc(sizeof(struct cfg80211_cqm_config) +
11139 n_thresholds * sizeof(s32), GFP_KERNEL);
11140 if (!cqm_config) {
11141 err = -ENOMEM;
11142 goto unlock;
11143 }
11144
11145 cqm_config->rssi_hyst = hysteresis;
11146 cqm_config->n_rssi_thresholds = n_thresholds;
11147 memcpy(cqm_config->rssi_thresholds, thresholds,
11148 n_thresholds * sizeof(s32));
11149
11150 wdev->cqm_config = cqm_config;
11151 }
11152
11153 err = cfg80211_cqm_rssi_update(rdev, dev);
11154
11155unlock:
11156 wdev_unlock(wdev);
11157
11158 return err;
d6dc1a38
JO		 11159}
11160
11161static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info)
11162{
11163 struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1];
11164 struct nlattr *cqm;
11165 int err;
11166
11167 cqm = info->attrs[NL80211_ATTR_CQM];
1da5fcc8
JB		 11168 if (!cqm)
11169 return -EINVAL;
d6dc1a38 11170
8cb08174
JB		 11171 err = nla_parse_nested_deprecated(attrs, NL80211_ATTR_CQM_MAX, cqm,
11172 nl80211_attr_cqm_policy,
11173 info->extack);
d6dc1a38 11174 if (err)
1da5fcc8 11175 return err;
d6dc1a38
JO		 11176
11177 if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] &&
11178 attrs[NL80211_ATTR_CQM_RSSI_HYST]) {
4a4b8169
AZ		 11179 const s32 *thresholds =
11180 nla_data(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
11181 int len = nla_len(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
1da5fcc8 11182 u32 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]);
d6dc1a38 11183
4a4b8169
AZ		 11184 if (len % 4)
11185 return -EINVAL;
11186
11187 return nl80211_set_cqm_rssi(info, thresholds, len / 4,
11188 hysteresis);
1da5fcc8
JB		 11189 }
11190
11191 if (attrs[NL80211_ATTR_CQM_TXE_RATE] &&
11192 attrs[NL80211_ATTR_CQM_TXE_PKTS] &&
11193 attrs[NL80211_ATTR_CQM_TXE_INTVL]) {
11194 u32 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]);
11195 u32 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]);
11196 u32 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]);
11197
11198 return nl80211_set_cqm_txe(info, rate, pkts, intvl);
11199 }
11200
11201 return -EINVAL;
d6dc1a38
JO		 11202}
11203
6e0bd6c3
RL		 11204static int nl80211_join_ocb(struct sk_buff *skb, struct genl_info *info)
11205{
11206 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11207 struct net_device *dev = info->user_ptr[1];
11208 struct ocb_setup setup = {};
11209 int err;
11210
11211 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
11212 if (err)
11213 return err;
11214
11215 return cfg80211_join_ocb(rdev, dev, &setup);
11216}
11217
11218static int nl80211_leave_ocb(struct sk_buff *skb, struct genl_info *info)
11219{
11220 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11221 struct net_device *dev = info->user_ptr[1];
11222
11223 return cfg80211_leave_ocb(rdev, dev);
11224}
11225
29cbe68c
JB		 11226static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info)
11227{
11228 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11229 struct net_device *dev = info->user_ptr[1];
11230 struct mesh_config cfg;
c80d545d 11231 struct mesh_setup setup;
29cbe68c
JB		 11232 int err;
11233
11234 /* start with default */
11235 memcpy(&cfg, &default_mesh_config, sizeof(cfg));
c80d545d 11236 memcpy(&setup, &default_mesh_setup, sizeof(setup));
29cbe68c 11237
24bdd9f4 11238 if (info->attrs[NL80211_ATTR_MESH_CONFIG]) {
29cbe68c 11239 /* and parse parameters if given */
24bdd9f4 11240 err = nl80211_parse_mesh_config(info, &cfg, NULL);
29cbe68c
JB		 11241 if (err)
11242 return err;
11243 }
11244
11245 if (!info->attrs[NL80211_ATTR_MESH_ID] ||
11246 !nla_len(info->attrs[NL80211_ATTR_MESH_ID]))
11247 return -EINVAL;
11248
c80d545d
JC		 11249 setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]);
11250 setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
11251
4bb62344
CYY		 11252 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
11253 !nl80211_parse_mcast_rate(rdev, setup.mcast_rate,
11254 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
11255 return -EINVAL;
11256
9bdbf04d
MP		 11257 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) {
11258 setup.beacon_interval =
11259 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
12d20fc9 11260
0c317a02
PK		 11261 err = cfg80211_validate_beacon_int(rdev,
11262 NL80211_IFTYPE_MESH_POINT,
11263 setup.beacon_interval);
12d20fc9
PK		 11264 if (err)
11265 return err;
9bdbf04d
MP		 11266 }
11267
11268 if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) {
11269 setup.dtim_period =
11270 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
11271 if (setup.dtim_period < 1 || setup.dtim_period > 100)
11272 return -EINVAL;
11273 }
11274
c80d545d
JC		 11275 if (info->attrs[NL80211_ATTR_MESH_SETUP]) {
11276 /* parse additional setup parameters if given */
11277 err = nl80211_parse_mesh_setup(info, &setup);
11278 if (err)
11279 return err;
11280 }
11281
d37bb18a
TP		 11282 if (setup.user_mpm)
11283 cfg.auto_open_plinks = false;
11284
cc1d2806 11285 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
683b6d3b
JB		 11286 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
11287 if (err)
11288 return err;
cc1d2806 11289 } else {
188c1b3c 11290 /* __cfg80211_join_mesh() will sort it out */
683b6d3b 11291 setup.chandef.chan = NULL;
cc1d2806
JB		 11292 }
11293
ffb3cf30
AN		 11294 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
11295 u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
11296 int n_rates =
11297 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
11298 struct ieee80211_supported_band *sband;
11299
11300 if (!setup.chandef.chan)
11301 return -EINVAL;
11302
11303 sband = rdev->wiphy.bands[setup.chandef.chan->band];
11304
11305 err = ieee80211_get_ratemask(sband, rates, n_rates,
11306 &setup.basic_rates);
11307 if (err)
11308 return err;
11309 }
11310
8564e382
JB		 11311 if (info->attrs[NL80211_ATTR_TX_RATES]) {
11312 err = nl80211_parse_tx_bitrate_mask(info, &setup.beacon_rate);
11313 if (err)
11314 return err;
11315
265698d7
JB		 11316 if (!setup.chandef.chan)
11317 return -EINVAL;
11318
8564e382
JB		 11319 err = validate_beacon_tx_rate(rdev, setup.chandef.chan->band,
11320 &setup.beacon_rate);
11321 if (err)
11322 return err;
11323 }
11324
d37d49c2
BB		 11325 setup.userspace_handles_dfs =
11326 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
11327
1224f583
DK		 11328 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
11329 int r = validate_pae_over_nl80211(rdev, info);
11330
11331 if (r < 0)
11332 return r;
11333
11334 setup.control_port_over_nl80211 = true;
11335 }
11336
188c1b3c
DK		 11337 wdev_lock(dev->ieee80211_ptr);
11338 err = __cfg80211_join_mesh(rdev, dev, &setup, &cfg);
11339 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER])
11340 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
11341 wdev_unlock(dev->ieee80211_ptr);
11342
11343 return err;
29cbe68c
JB		 11344}
11345
11346static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info)
11347{
11348 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11349 struct net_device *dev = info->user_ptr[1];
11350
11351 return cfg80211_leave_mesh(rdev, dev);
11352}
11353
dfb89c56 11354#ifdef CONFIG_PM
bb92d199
AK		 11355static int nl80211_send_wowlan_patterns(struct sk_buff *msg,
11356 struct cfg80211_registered_device *rdev)
11357{
6abb9cb9 11358 struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config;
bb92d199
AK		 11359 struct nlattr *nl_pats, *nl_pat;
11360 int i, pat_len;
11361
6abb9cb9 11362 if (!wowlan->n_patterns)
bb92d199
AK		 11363 return 0;
11364
ae0be8de 11365 nl_pats = nla_nest_start_noflag(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN);
bb92d199
AK		 11366 if (!nl_pats)
11367 return -ENOBUFS;
11368
6abb9cb9 11369 for (i = 0; i < wowlan->n_patterns; i++) {
ae0be8de 11370 nl_pat = nla_nest_start_noflag(msg, i + 1);
bb92d199
AK		 11371 if (!nl_pat)
11372 return -ENOBUFS;
6abb9cb9 11373 pat_len = wowlan->patterns[i].pattern_len;
50ac6607 11374 if (nla_put(msg, NL80211_PKTPAT_MASK, DIV_ROUND_UP(pat_len, 8),
6abb9cb9 11375 wowlan->patterns[i].mask) ||
50ac6607
AK		 11376 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
11377 wowlan->patterns[i].pattern) ||
11378 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
6abb9cb9 11379 wowlan->patterns[i].pkt_offset))
bb92d199
AK		 11380 return -ENOBUFS;
11381 nla_nest_end(msg, nl_pat);
11382 }
11383 nla_nest_end(msg, nl_pats);
11384
11385 return 0;
11386}
11387
2a0e047e
JB		 11388static int nl80211_send_wowlan_tcp(struct sk_buff *msg,
11389 struct cfg80211_wowlan_tcp *tcp)
11390{
11391 struct nlattr *nl_tcp;
11392
11393 if (!tcp)
11394 return 0;
11395
ae0be8de
MK		 11396 nl_tcp = nla_nest_start_noflag(msg,
11397 NL80211_WOWLAN_TRIG_TCP_CONNECTION);
2a0e047e
JB		 11398 if (!nl_tcp)
11399 return -ENOBUFS;
11400
930345ea
JB		 11401 if (nla_put_in_addr(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) ||
11402 nla_put_in_addr(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) ||
2a0e047e
JB		 11403 nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) ||
11404 nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) ||
11405 nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) ||
11406 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
11407 tcp->payload_len, tcp->payload) ||
11408 nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
11409 tcp->data_interval) ||
11410 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
11411 tcp->wake_len, tcp->wake_data) ||
11412 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK,
11413 DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask))
11414 return -ENOBUFS;
11415
11416 if (tcp->payload_seq.len &&
11417 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ,
11418 sizeof(tcp->payload_seq), &tcp->payload_seq))
11419 return -ENOBUFS;
11420
11421 if (tcp->payload_tok.len &&
11422 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
11423 sizeof(tcp->payload_tok) + tcp->tokens_size,
11424 &tcp->payload_tok))
11425 return -ENOBUFS;
11426
e248ad30
JB		 11427 nla_nest_end(msg, nl_tcp);
11428
2a0e047e
JB		 11429 return 0;
11430}
11431
75453ccb
LC		 11432static int nl80211_send_wowlan_nd(struct sk_buff *msg,
11433 struct cfg80211_sched_scan_request *req)
11434{
3b06d277 11435 struct nlattr *nd, *freqs, *matches, *match, *scan_plans, *scan_plan;
75453ccb
LC		 11436 int i;
11437
11438 if (!req)
11439 return 0;
11440
ae0be8de 11441 nd = nla_nest_start_noflag(msg, NL80211_WOWLAN_TRIG_NET_DETECT);
75453ccb
LC		 11442 if (!nd)
11443 return -ENOBUFS;
11444
3b06d277
AS		 11445 if (req->n_scan_plans == 1 &&
11446 nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_INTERVAL,
11447 req->scan_plans[0].interval * 1000))
75453ccb
LC		 11448 return -ENOBUFS;
11449
21fea567
LC		 11450 if (nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_DELAY, req->delay))
11451 return -ENOBUFS;
11452
bf95ecdb 11453 if (req->relative_rssi_set) {
11454 struct nl80211_bss_select_rssi_adjust rssi_adjust;
11455
11456 if (nla_put_s8(msg, NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI,
11457 req->relative_rssi))
11458 return -ENOBUFS;
11459
11460 rssi_adjust.band = req->rssi_adjust.band;
11461 rssi_adjust.delta = req->rssi_adjust.delta;
11462 if (nla_put(msg, NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST,
11463 sizeof(rssi_adjust), &rssi_adjust))
11464 return -ENOBUFS;
11465 }
11466
ae0be8de 11467 freqs = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_FREQUENCIES);
75453ccb
LC		 11468 if (!freqs)
11469 return -ENOBUFS;
11470
53b18980
JB		 11471 for (i = 0; i < req->n_channels; i++) {
11472 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
11473 return -ENOBUFS;
11474 }
75453ccb
LC		 11475
11476 nla_nest_end(msg, freqs);
11477
11478 if (req->n_match_sets) {
ae0be8de
MK		 11479 matches = nla_nest_start_noflag(msg,
11480 NL80211_ATTR_SCHED_SCAN_MATCH);
76e1fb4b
JB		 11481 if (!matches)
11482 return -ENOBUFS;
11483
75453ccb 11484 for (i = 0; i < req->n_match_sets; i++) {
ae0be8de 11485 match = nla_nest_start_noflag(msg, i);
76e1fb4b
JB		 11486 if (!match)
11487 return -ENOBUFS;
11488
53b18980
JB		 11489 if (nla_put(msg, NL80211_SCHED_SCAN_MATCH_ATTR_SSID,
11490 req->match_sets[i].ssid.ssid_len,
11491 req->match_sets[i].ssid.ssid))
11492 return -ENOBUFS;
75453ccb
LC		 11493 nla_nest_end(msg, match);
11494 }
11495 nla_nest_end(msg, matches);
11496 }
11497
ae0be8de 11498 scan_plans = nla_nest_start_noflag(msg, NL80211_ATTR_SCHED_SCAN_PLANS);
3b06d277
AS		 11499 if (!scan_plans)
11500 return -ENOBUFS;
11501
11502 for (i = 0; i < req->n_scan_plans; i++) {
ae0be8de 11503 scan_plan = nla_nest_start_noflag(msg, i + 1);
76e1fb4b
JB		 11504 if (!scan_plan)
11505 return -ENOBUFS;
11506
67626964 11507 if (nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_INTERVAL,
3b06d277
AS		 11508 req->scan_plans[i].interval) ||
11509 (req->scan_plans[i].iterations &&
11510 nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_ITERATIONS,
11511 req->scan_plans[i].iterations)))
11512 return -ENOBUFS;
11513 nla_nest_end(msg, scan_plan);
11514 }
11515 nla_nest_end(msg, scan_plans);
11516
75453ccb
LC		 11517 nla_nest_end(msg, nd);
11518
11519 return 0;
11520}
11521
ff1b6e69
JB		 11522static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info)
11523{
11524 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11525 struct sk_buff *msg;
11526 void *hdr;
2a0e047e 11527 u32 size = NLMSG_DEFAULT_SIZE;
ff1b6e69 11528
964dc9e2 11529 if (!rdev->wiphy.wowlan)
ff1b6e69
JB		 11530 return -EOPNOTSUPP;
11531
6abb9cb9 11532 if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) {
2a0e047e 11533 /* adjust size to have room for all the data */
6abb9cb9
JB		 11534 size += rdev->wiphy.wowlan_config->tcp->tokens_size +
11535 rdev->wiphy.wowlan_config->tcp->payload_len +
11536 rdev->wiphy.wowlan_config->tcp->wake_len +
11537 rdev->wiphy.wowlan_config->tcp->wake_len / 8;
2a0e047e
JB		 11538 }
11539
11540 msg = nlmsg_new(size, GFP_KERNEL);
ff1b6e69
JB		 11541 if (!msg)
11542 return -ENOMEM;
11543
15e47304 11544 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
ff1b6e69
JB		 11545 NL80211_CMD_GET_WOWLAN);
11546 if (!hdr)
11547 goto nla_put_failure;
11548
6abb9cb9 11549 if (rdev->wiphy.wowlan_config) {
ff1b6e69
JB		 11550 struct nlattr *nl_wowlan;
11551
ae0be8de
MK		 11552 nl_wowlan = nla_nest_start_noflag(msg,
11553 NL80211_ATTR_WOWLAN_TRIGGERS);
ff1b6e69
JB		 11554 if (!nl_wowlan)
11555 goto nla_put_failure;
11556
6abb9cb9 11557 if ((rdev->wiphy.wowlan_config->any &&
9360ffd1 11558 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
6abb9cb9 11559 (rdev->wiphy.wowlan_config->disconnect &&
9360ffd1 11560 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
6abb9cb9 11561 (rdev->wiphy.wowlan_config->magic_pkt &&
9360ffd1 11562 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
6abb9cb9 11563 (rdev->wiphy.wowlan_config->gtk_rekey_failure &&
9360ffd1 11564 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
6abb9cb9 11565 (rdev->wiphy.wowlan_config->eap_identity_req &&
9360ffd1 11566 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
6abb9cb9 11567 (rdev->wiphy.wowlan_config->four_way_handshake &&
9360ffd1 11568 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
6abb9cb9 11569 (rdev->wiphy.wowlan_config->rfkill_release &&
9360ffd1
DM		 11570 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
11571 goto nla_put_failure;
2a0e047e 11572
bb92d199
AK		 11573 if (nl80211_send_wowlan_patterns(msg, rdev))
11574 goto nla_put_failure;
2a0e047e 11575
6abb9cb9
JB		 11576 if (nl80211_send_wowlan_tcp(msg,
11577 rdev->wiphy.wowlan_config->tcp))
2a0e047e 11578 goto nla_put_failure;
75453ccb
LC		 11579
11580 if (nl80211_send_wowlan_nd(
11581 msg,
11582 rdev->wiphy.wowlan_config->nd_config))
11583 goto nla_put_failure;
2a0e047e 11584
ff1b6e69
JB		 11585 nla_nest_end(msg, nl_wowlan);
11586 }
11587
11588 genlmsg_end(msg, hdr);
11589 return genlmsg_reply(msg, info);
11590
11591nla_put_failure:
11592 nlmsg_free(msg);
11593 return -ENOBUFS;
11594}
11595
2a0e047e
JB		 11596static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev,
11597 struct nlattr *attr,
11598 struct cfg80211_wowlan *trig)
11599{
11600 struct nlattr *tb[NUM_NL80211_WOWLAN_TCP];
11601 struct cfg80211_wowlan_tcp *cfg;
11602 struct nl80211_wowlan_tcp_data_token *tok = NULL;
11603 struct nl80211_wowlan_tcp_data_seq *seq = NULL;
11604 u32 size;
11605 u32 data_size, wake_size, tokens_size = 0, wake_mask_size;
11606 int err, port;
11607
964dc9e2 11608 if (!rdev->wiphy.wowlan->tcp)
2a0e047e
JB		 11609 return -EINVAL;
11610
8cb08174
JB		 11611 err = nla_parse_nested_deprecated(tb, MAX_NL80211_WOWLAN_TCP, attr,
11612 nl80211_wowlan_tcp_policy, NULL);
2a0e047e
JB		 11613 if (err)
11614 return err;
11615
11616 if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] ||
11617 !tb[NL80211_WOWLAN_TCP_DST_IPV4] ||
11618 !tb[NL80211_WOWLAN_TCP_DST_MAC] ||
11619 !tb[NL80211_WOWLAN_TCP_DST_PORT] ||
11620 !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] ||
11621 !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] ||
11622 !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] ||
11623 !tb[NL80211_WOWLAN_TCP_WAKE_MASK])
11624 return -EINVAL;
11625
11626 data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]);
964dc9e2 11627 if (data_size > rdev->wiphy.wowlan->tcp->data_payload_max)
2a0e047e
JB		 11628 return -EINVAL;
11629
11630 if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) >
964dc9e2 11631 rdev->wiphy.wowlan->tcp->data_interval_max ||
723d568a 11632 nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0)
2a0e047e
JB		 11633 return -EINVAL;
11634
11635 wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]);
964dc9e2 11636 if (wake_size > rdev->wiphy.wowlan->tcp->wake_payload_max)
2a0e047e
JB		 11637 return -EINVAL;
11638
11639 wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]);
11640 if (wake_mask_size != DIV_ROUND_UP(wake_size, 8))
11641 return -EINVAL;
11642
11643 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) {
11644 u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
11645
11646 tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
11647 tokens_size = tokln - sizeof(*tok);
11648
11649 if (!tok->len || tokens_size % tok->len)
11650 return -EINVAL;
964dc9e2 11651 if (!rdev->wiphy.wowlan->tcp->tok)
2a0e047e 11652 return -EINVAL;
964dc9e2 11653 if (tok->len > rdev->wiphy.wowlan->tcp->tok->max_len)
2a0e047e 11654 return -EINVAL;
964dc9e2 11655 if (tok->len < rdev->wiphy.wowlan->tcp->tok->min_len)
2a0e047e 11656 return -EINVAL;
964dc9e2 11657 if (tokens_size > rdev->wiphy.wowlan->tcp->tok->bufsize)
2a0e047e
JB		 11658 return -EINVAL;
11659 if (tok->offset + tok->len > data_size)
11660 return -EINVAL;
11661 }
11662
11663 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) {
11664 seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]);
964dc9e2 11665 if (!rdev->wiphy.wowlan->tcp->seq)
2a0e047e
JB		 11666 return -EINVAL;
11667 if (seq->len == 0 || seq->len > 4)
11668 return -EINVAL;
11669 if (seq->len + seq->offset > data_size)
11670 return -EINVAL;
11671 }
11672
11673 size = sizeof(*cfg);
11674 size += data_size;
11675 size += wake_size + wake_mask_size;
11676 size += tokens_size;
11677
11678 cfg = kzalloc(size, GFP_KERNEL);
11679 if (!cfg)
11680 return -ENOMEM;
67b61f6c
JB		 11681 cfg->src = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_SRC_IPV4]);
11682 cfg->dst = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_DST_IPV4]);
2a0e047e
JB		 11683 memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]),
11684 ETH_ALEN);
11685 if (tb[NL80211_WOWLAN_TCP_SRC_PORT])
11686 port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]);
11687 else
11688 port = 0;
11689#ifdef CONFIG_INET
11690 /* allocate a socket and port for it and use it */
11691 err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM,
11692 IPPROTO_TCP, &cfg->sock, 1);
11693 if (err) {
11694 kfree(cfg);
11695 return err;
11696 }
11697 if (inet_csk_get_port(cfg->sock->sk, port)) {
11698 sock_release(cfg->sock);
11699 kfree(cfg);
11700 return -EADDRINUSE;
11701 }
11702 cfg->src_port = inet_sk(cfg->sock->sk)->inet_num;
11703#else
11704 if (!port) {
11705 kfree(cfg);
11706 return -EINVAL;
11707 }
11708 cfg->src_port = port;
11709#endif
11710
11711 cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]);
11712 cfg->payload_len = data_size;
11713 cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size;
11714 memcpy((void *)cfg->payload,
11715 nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]),
11716 data_size);
11717 if (seq)
11718 cfg->payload_seq = *seq;
11719 cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]);
11720 cfg->wake_len = wake_size;
11721 cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size;
11722 memcpy((void *)cfg->wake_data,
11723 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]),
11724 wake_size);
11725 cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size +
11726 data_size + wake_size;
11727 memcpy((void *)cfg->wake_mask,
11728 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]),
11729 wake_mask_size);
11730 if (tok) {
11731 cfg->tokens_size = tokens_size;
11732 memcpy(&cfg->payload_tok, tok, sizeof(*tok) + tokens_size);
11733 }
11734
11735 trig->tcp = cfg;
11736
11737 return 0;
11738}
11739
8cd4d456
LC		 11740static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device *rdev,
11741 const struct wiphy_wowlan_support *wowlan,
11742 struct nlattr *attr,
11743 struct cfg80211_wowlan *trig)
11744{
11745 struct nlattr **tb;
11746 int err;
11747
6396bb22 11748 tb = kcalloc(NUM_NL80211_ATTR, sizeof(*tb), GFP_KERNEL);
8cd4d456
LC		 11749 if (!tb)
11750 return -ENOMEM;
11751
11752 if (!(wowlan->flags & WIPHY_WOWLAN_NET_DETECT)) {
11753 err = -EOPNOTSUPP;
11754 goto out;
11755 }
11756
8cb08174
JB		 11757 err = nla_parse_nested_deprecated(tb, NL80211_ATTR_MAX, attr,
11758 nl80211_policy, NULL);
8cd4d456
LC		 11759 if (err)
11760 goto out;
11761
aad1e812
AVS		 11762 trig->nd_config = nl80211_parse_sched_scan(&rdev->wiphy, NULL, tb,
11763 wowlan->max_nd_match_sets);
8cd4d456
LC		 11764 err = PTR_ERR_OR_ZERO(trig->nd_config);
11765 if (err)
11766 trig->nd_config = NULL;
11767
11768out:
11769 kfree(tb);
11770 return err;
11771}
11772
ff1b6e69
JB		 11773static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
11774{
11775 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11776 struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG];
ff1b6e69 11777 struct cfg80211_wowlan new_triggers = {};
ae33bd81 11778 struct cfg80211_wowlan *ntrig;
964dc9e2 11779 const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan;
ff1b6e69 11780 int err, i;
6abb9cb9 11781 bool prev_enabled = rdev->wiphy.wowlan_config;
98fc4386 11782 bool regular = false;
ff1b6e69 11783
964dc9e2 11784 if (!wowlan)
ff1b6e69
JB		 11785 return -EOPNOTSUPP;
11786
ae33bd81
JB		 11787 if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) {
11788 cfg80211_rdev_free_wowlan(rdev);
6abb9cb9 11789 rdev->wiphy.wowlan_config = NULL;
ae33bd81
JB		 11790 goto set_wakeup;
11791 }
ff1b6e69 11792
8cb08174
JB		 11793 err = nla_parse_nested_deprecated(tb, MAX_NL80211_WOWLAN_TRIG,
11794 info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS],
11795 nl80211_wowlan_policy, info->extack);
ff1b6e69
JB		 11796 if (err)
11797 return err;
11798
11799 if (tb[NL80211_WOWLAN_TRIG_ANY]) {
11800 if (!(wowlan->flags & WIPHY_WOWLAN_ANY))
11801 return -EINVAL;
11802 new_triggers.any = true;
11803 }
11804
11805 if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) {
11806 if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT))
11807 return -EINVAL;
11808 new_triggers.disconnect = true;
98fc4386 11809 regular = true;
ff1b6e69
JB		 11810 }
11811
11812 if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) {
11813 if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT))
11814 return -EINVAL;
11815 new_triggers.magic_pkt = true;
98fc4386 11816 regular = true;
ff1b6e69
JB		 11817 }
11818
77dbbb13
JB		 11819 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED])
11820 return -EINVAL;
11821
11822 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) {
11823 if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE))
11824 return -EINVAL;
11825 new_triggers.gtk_rekey_failure = true;
98fc4386 11826 regular = true;
77dbbb13
JB		 11827 }
11828
11829 if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) {
11830 if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ))
11831 return -EINVAL;
11832 new_triggers.eap_identity_req = true;
98fc4386 11833 regular = true;
77dbbb13
JB		 11834 }
11835
11836 if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) {
11837 if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE))
11838 return -EINVAL;
11839 new_triggers.four_way_handshake = true;
98fc4386 11840 regular = true;
77dbbb13
JB		 11841 }
11842
11843 if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) {
11844 if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE))
11845 return -EINVAL;
11846 new_triggers.rfkill_release = true;
98fc4386 11847 regular = true;
77dbbb13
JB		 11848 }
11849
ff1b6e69
JB		 11850 if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) {
11851 struct nlattr *pat;
11852 int n_patterns = 0;
bb92d199 11853 int rem, pat_len, mask_len, pkt_offset;
50ac6607 11854 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
ff1b6e69 11855
98fc4386
JB		 11856 regular = true;
11857
ff1b6e69
JB		 11858 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
11859 rem)
11860 n_patterns++;
11861 if (n_patterns > wowlan->n_patterns)
11862 return -EINVAL;
11863
11864 new_triggers.patterns = kcalloc(n_patterns,
11865 sizeof(new_triggers.patterns[0]),
11866 GFP_KERNEL);
11867 if (!new_triggers.patterns)
11868 return -ENOMEM;
11869
11870 new_triggers.n_patterns = n_patterns;
11871 i = 0;
11872
11873 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
11874 rem) {
922bd80f
JB		 11875 u8 *mask_pat;
11876
8cb08174
JB		 11877 err = nla_parse_nested_deprecated(pat_tb,
11878 MAX_NL80211_PKTPAT,
11879 pat,
11880 nl80211_packet_pattern_policy,
11881 info->extack);
95bca62f
JB		 11882 if (err)
11883 goto error;
11884
ff1b6e69 11885 err = -EINVAL;
50ac6607
AK		 11886 if (!pat_tb[NL80211_PKTPAT_MASK] ||
11887 !pat_tb[NL80211_PKTPAT_PATTERN])
ff1b6e69 11888 goto error;
50ac6607 11889 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
ff1b6e69 11890 mask_len = DIV_ROUND_UP(pat_len, 8);
50ac6607 11891 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
ff1b6e69
JB		 11892 goto error;
11893 if (pat_len > wowlan->pattern_max_len ||
11894 pat_len < wowlan->pattern_min_len)
11895 goto error;
11896
50ac6607 11897 if (!pat_tb[NL80211_PKTPAT_OFFSET])
bb92d199
AK		 11898 pkt_offset = 0;
11899 else
11900 pkt_offset = nla_get_u32(
50ac6607 11901 pat_tb[NL80211_PKTPAT_OFFSET]);
bb92d199
AK		 11902 if (pkt_offset > wowlan->max_pkt_offset)
11903 goto error;
11904 new_triggers.patterns[i].pkt_offset = pkt_offset;
11905
922bd80f
JB		 11906 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
11907 if (!mask_pat) {
ff1b6e69
JB		 11908 err = -ENOMEM;
11909 goto error;
11910 }
922bd80f
JB		 11911 new_triggers.patterns[i].mask = mask_pat;
11912 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
ff1b6e69 11913 mask_len);
922bd80f
JB		 11914 mask_pat += mask_len;
11915 new_triggers.patterns[i].pattern = mask_pat;
ff1b6e69 11916 new_triggers.patterns[i].pattern_len = pat_len;
922bd80f 11917 memcpy(mask_pat,
50ac6607 11918 nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
ff1b6e69
JB		 11919 pat_len);
11920 i++;
11921 }
11922 }
11923
2a0e047e 11924 if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) {
98fc4386 11925 regular = true;
2a0e047e
JB		 11926 err = nl80211_parse_wowlan_tcp(
11927 rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION],
11928 &new_triggers);
11929 if (err)
11930 goto error;
11931 }
11932
8cd4d456 11933 if (tb[NL80211_WOWLAN_TRIG_NET_DETECT]) {
98fc4386 11934 regular = true;
8cd4d456
LC		 11935 err = nl80211_parse_wowlan_nd(
11936 rdev, wowlan, tb[NL80211_WOWLAN_TRIG_NET_DETECT],
11937 &new_triggers);
11938 if (err)
11939 goto error;
11940 }
11941
98fc4386
JB		 11942 /* The 'any' trigger means the device continues operating more or less
11943 * as in its normal operation mode and wakes up the host on most of the
11944 * normal interrupts (like packet RX, ...)
11945 * It therefore makes little sense to combine with the more constrained
11946 * wakeup trigger modes.
11947 */
11948 if (new_triggers.any && regular) {
11949 err = -EINVAL;
11950 goto error;
11951 }
11952
ae33bd81
JB		 11953 ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL);
11954 if (!ntrig) {
11955 err = -ENOMEM;
11956 goto error;
ff1b6e69 11957 }
ae33bd81 11958 cfg80211_rdev_free_wowlan(rdev);
6abb9cb9 11959 rdev->wiphy.wowlan_config = ntrig;
ff1b6e69 11960
ae33bd81 11961 set_wakeup:
6abb9cb9
JB		 11962 if (rdev->ops->set_wakeup &&
11963 prev_enabled != !!rdev->wiphy.wowlan_config)
11964 rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config);
6d52563f 11965
ff1b6e69
JB		 11966 return 0;
11967 error:
11968 for (i = 0; i < new_triggers.n_patterns; i++)
11969 kfree(new_triggers.patterns[i].mask);
11970 kfree(new_triggers.patterns);
2a0e047e
JB		 11971 if (new_triggers.tcp && new_triggers.tcp->sock)
11972 sock_release(new_triggers.tcp->sock);
11973 kfree(new_triggers.tcp);
e5dbe070 11974 kfree(new_triggers.nd_config);
ff1b6e69
JB		 11975 return err;
11976}
dfb89c56 11977#endif
ff1b6e69 11978
be29b99a
AK		 11979static int nl80211_send_coalesce_rules(struct sk_buff *msg,
11980 struct cfg80211_registered_device *rdev)
11981{
11982 struct nlattr *nl_pats, *nl_pat, *nl_rule, *nl_rules;
11983 int i, j, pat_len;
11984 struct cfg80211_coalesce_rules *rule;
11985
11986 if (!rdev->coalesce->n_rules)
11987 return 0;
11988
ae0be8de 11989 nl_rules = nla_nest_start_noflag(msg, NL80211_ATTR_COALESCE_RULE);
be29b99a
AK		 11990 if (!nl_rules)
11991 return -ENOBUFS;
11992
11993 for (i = 0; i < rdev->coalesce->n_rules; i++) {
ae0be8de 11994 nl_rule = nla_nest_start_noflag(msg, i + 1);
be29b99a
AK		 11995 if (!nl_rule)
11996 return -ENOBUFS;
11997
11998 rule = &rdev->coalesce->rules[i];
11999 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_DELAY,
12000 rule->delay))
12001 return -ENOBUFS;
12002
12003 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_CONDITION,
12004 rule->condition))
12005 return -ENOBUFS;
12006
ae0be8de
MK		 12007 nl_pats = nla_nest_start_noflag(msg,
12008 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN);
be29b99a
AK		 12009 if (!nl_pats)
12010 return -ENOBUFS;
12011
12012 for (j = 0; j < rule->n_patterns; j++) {
ae0be8de 12013 nl_pat = nla_nest_start_noflag(msg, j + 1);
be29b99a
AK		 12014 if (!nl_pat)
12015 return -ENOBUFS;
12016 pat_len = rule->patterns[j].pattern_len;
12017 if (nla_put(msg, NL80211_PKTPAT_MASK,
12018 DIV_ROUND_UP(pat_len, 8),
12019 rule->patterns[j].mask) ||
12020 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
12021 rule->patterns[j].pattern) ||
12022 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
12023 rule->patterns[j].pkt_offset))
12024 return -ENOBUFS;
12025 nla_nest_end(msg, nl_pat);
12026 }
12027 nla_nest_end(msg, nl_pats);
12028 nla_nest_end(msg, nl_rule);
12029 }
12030 nla_nest_end(msg, nl_rules);
12031
12032 return 0;
12033}
12034
12035static int nl80211_get_coalesce(struct sk_buff *skb, struct genl_info *info)
12036{
12037 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12038 struct sk_buff *msg;
12039 void *hdr;
12040
12041 if (!rdev->wiphy.coalesce)
12042 return -EOPNOTSUPP;
12043
12044 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12045 if (!msg)
12046 return -ENOMEM;
12047
12048 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12049 NL80211_CMD_GET_COALESCE);
12050 if (!hdr)
12051 goto nla_put_failure;
12052
12053 if (rdev->coalesce && nl80211_send_coalesce_rules(msg, rdev))
12054 goto nla_put_failure;
12055
12056 genlmsg_end(msg, hdr);
12057 return genlmsg_reply(msg, info);
12058
12059nla_put_failure:
12060 nlmsg_free(msg);
12061 return -ENOBUFS;
12062}
12063
12064void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev)
12065{
12066 struct cfg80211_coalesce *coalesce = rdev->coalesce;
12067 int i, j;
12068 struct cfg80211_coalesce_rules *rule;
12069
12070 if (!coalesce)
12071 return;
12072
12073 for (i = 0; i < coalesce->n_rules; i++) {
12074 rule = &coalesce->rules[i];
12075 for (j = 0; j < rule->n_patterns; j++)
12076 kfree(rule->patterns[j].mask);
12077 kfree(rule->patterns);
12078 }
12079 kfree(coalesce->rules);
12080 kfree(coalesce);
12081 rdev->coalesce = NULL;
12082}
12083
12084static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev,
12085 struct nlattr *rule,
12086 struct cfg80211_coalesce_rules *new_rule)
12087{
12088 int err, i;
12089 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
12090 struct nlattr *tb[NUM_NL80211_ATTR_COALESCE_RULE], *pat;
12091 int rem, pat_len, mask_len, pkt_offset, n_patterns = 0;
12092 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
12093
8cb08174
JB		 12094 err = nla_parse_nested_deprecated(tb, NL80211_ATTR_COALESCE_RULE_MAX,
12095 rule, nl80211_coalesce_policy, NULL);
be29b99a
AK		 12096 if (err)
12097 return err;
12098
12099 if (tb[NL80211_ATTR_COALESCE_RULE_DELAY])
12100 new_rule->delay =
12101 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_DELAY]);
12102 if (new_rule->delay > coalesce->max_delay)
12103 return -EINVAL;
12104
12105 if (tb[NL80211_ATTR_COALESCE_RULE_CONDITION])
12106 new_rule->condition =
12107 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_CONDITION]);
be29b99a
AK		 12108
12109 if (!tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN])
12110 return -EINVAL;
12111
12112 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
12113 rem)
12114 n_patterns++;
12115 if (n_patterns > coalesce->n_patterns)
12116 return -EINVAL;
12117
12118 new_rule->patterns = kcalloc(n_patterns, sizeof(new_rule->patterns[0]),
12119 GFP_KERNEL);
12120 if (!new_rule->patterns)
12121 return -ENOMEM;
12122
12123 new_rule->n_patterns = n_patterns;
12124 i = 0;
12125
12126 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
12127 rem) {
922bd80f
JB		 12128 u8 *mask_pat;
12129
8cb08174
JB		 12130 err = nla_parse_nested_deprecated(pat_tb, MAX_NL80211_PKTPAT,
12131 pat,
12132 nl80211_packet_pattern_policy,
12133 NULL);
95bca62f
JB		 12134 if (err)
12135 return err;
12136
be29b99a
AK		 12137 if (!pat_tb[NL80211_PKTPAT_MASK] ||
12138 !pat_tb[NL80211_PKTPAT_PATTERN])
12139 return -EINVAL;
12140 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
12141 mask_len = DIV_ROUND_UP(pat_len, 8);
12142 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
12143 return -EINVAL;
12144 if (pat_len > coalesce->pattern_max_len ||
12145 pat_len < coalesce->pattern_min_len)
12146 return -EINVAL;
12147
12148 if (!pat_tb[NL80211_PKTPAT_OFFSET])
12149 pkt_offset = 0;
12150 else
12151 pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]);
12152 if (pkt_offset > coalesce->max_pkt_offset)
12153 return -EINVAL;
12154 new_rule->patterns[i].pkt_offset = pkt_offset;
12155
922bd80f
JB		 12156 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
12157 if (!mask_pat)
be29b99a 12158 return -ENOMEM;
922bd80f
JB		 12159
12160 new_rule->patterns[i].mask = mask_pat;
12161 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
12162 mask_len);
12163
12164 mask_pat += mask_len;
12165 new_rule->patterns[i].pattern = mask_pat;
be29b99a 12166 new_rule->patterns[i].pattern_len = pat_len;
922bd80f
JB		 12167 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
12168 pat_len);
be29b99a
AK		 12169 i++;
12170 }
12171
12172 return 0;
12173}
12174
12175static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info)
12176{
12177 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12178 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
12179 struct cfg80211_coalesce new_coalesce = {};
12180 struct cfg80211_coalesce *n_coalesce;
12181 int err, rem_rule, n_rules = 0, i, j;
12182 struct nlattr *rule;
12183 struct cfg80211_coalesce_rules *tmp_rule;
12184
12185 if (!rdev->wiphy.coalesce || !rdev->ops->set_coalesce)
12186 return -EOPNOTSUPP;
12187
12188 if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) {
12189 cfg80211_rdev_free_coalesce(rdev);
a1056b1b 12190 rdev_set_coalesce(rdev, NULL);
be29b99a
AK		 12191 return 0;
12192 }
12193
12194 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
12195 rem_rule)
12196 n_rules++;
12197 if (n_rules > coalesce->n_rules)
12198 return -EINVAL;
12199
12200 new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]),
12201 GFP_KERNEL);
12202 if (!new_coalesce.rules)
12203 return -ENOMEM;
12204
12205 new_coalesce.n_rules = n_rules;
12206 i = 0;
12207
12208 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
12209 rem_rule) {
12210 err = nl80211_parse_coalesce_rule(rdev, rule,
12211 &new_coalesce.rules[i]);
12212 if (err)
12213 goto error;
12214
12215 i++;
12216 }
12217
a1056b1b 12218 err = rdev_set_coalesce(rdev, &new_coalesce);
be29b99a
AK		 12219 if (err)
12220 goto error;
12221
12222 n_coalesce = kmemdup(&new_coalesce, sizeof(new_coalesce), GFP_KERNEL);
12223 if (!n_coalesce) {
12224 err = -ENOMEM;
12225 goto error;
12226 }
12227 cfg80211_rdev_free_coalesce(rdev);
12228 rdev->coalesce = n_coalesce;
12229
12230 return 0;
12231error:
12232 for (i = 0; i < new_coalesce.n_rules; i++) {
12233 tmp_rule = &new_coalesce.rules[i];
12234 for (j = 0; j < tmp_rule->n_patterns; j++)
12235 kfree(tmp_rule->patterns[j].mask);
12236 kfree(tmp_rule->patterns);
12237 }
12238 kfree(new_coalesce.rules);
12239
12240 return err;
12241}
12242
e5497d76
JB		 12243static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info)
12244{
12245 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12246 struct net_device *dev = info->user_ptr[1];
12247 struct wireless_dev *wdev = dev->ieee80211_ptr;
12248 struct nlattr *tb[NUM_NL80211_REKEY_DATA];
12249 struct cfg80211_gtk_rekey_data rekey_data;
12250 int err;
12251
12252 if (!info->attrs[NL80211_ATTR_REKEY_DATA])
12253 return -EINVAL;
12254
8cb08174
JB		 12255 err = nla_parse_nested_deprecated(tb, MAX_NL80211_REKEY_DATA,
12256 info->attrs[NL80211_ATTR_REKEY_DATA],
12257 nl80211_rekey_policy, info->extack);
e5497d76
JB		 12258 if (err)
12259 return err;
12260
e785fa0a
VD		 12261 if (!tb[NL80211_REKEY_DATA_REPLAY_CTR] || !tb[NL80211_REKEY_DATA_KEK] ||
12262 !tb[NL80211_REKEY_DATA_KCK])
12263 return -EINVAL;
e5497d76
JB		 12264 if (nla_len(tb[NL80211_REKEY_DATA_REPLAY_CTR]) != NL80211_REPLAY_CTR_LEN)
12265 return -ERANGE;
12266 if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN)
12267 return -ERANGE;
12268 if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN)
12269 return -ERANGE;
12270
78f686ca
JB		 12271 rekey_data.kek = nla_data(tb[NL80211_REKEY_DATA_KEK]);
12272 rekey_data.kck = nla_data(tb[NL80211_REKEY_DATA_KCK]);
12273 rekey_data.replay_ctr = nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]);
e5497d76
JB		 12274
12275 wdev_lock(wdev);
12276 if (!wdev->current_bss) {
12277 err = -ENOTCONN;
12278 goto out;
12279 }
12280
12281 if (!rdev->ops->set_rekey_data) {
12282 err = -EOPNOTSUPP;
12283 goto out;
12284 }
12285
e35e4d28 12286 err = rdev_set_rekey_data(rdev, dev, &rekey_data);
e5497d76
JB		 12287 out:
12288 wdev_unlock(wdev);
12289 return err;
12290}
12291
28946da7
JB		 12292static int nl80211_register_unexpected_frame(struct sk_buff *skb,
12293 struct genl_info *info)
12294{
12295 struct net_device *dev = info->user_ptr[1];
12296 struct wireless_dev *wdev = dev->ieee80211_ptr;
12297
12298 if (wdev->iftype != NL80211_IFTYPE_AP &&
12299 wdev->iftype != NL80211_IFTYPE_P2P_GO)
12300 return -EINVAL;
12301
15e47304 12302 if (wdev->ap_unexpected_nlportid)
28946da7
JB		 12303 return -EBUSY;
12304
15e47304 12305 wdev->ap_unexpected_nlportid = info->snd_portid;
28946da7
JB		 12306 return 0;
12307}
12308
7f6cf311
JB		 12309static int nl80211_probe_client(struct sk_buff *skb,
12310 struct genl_info *info)
12311{
12312 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12313 struct net_device *dev = info->user_ptr[1];
12314 struct wireless_dev *wdev = dev->ieee80211_ptr;
12315 struct sk_buff *msg;
12316 void *hdr;
12317 const u8 *addr;
12318 u64 cookie;
12319 int err;
12320
12321 if (wdev->iftype != NL80211_IFTYPE_AP &&
12322 wdev->iftype != NL80211_IFTYPE_P2P_GO)
12323 return -EOPNOTSUPP;
12324
12325 if (!info->attrs[NL80211_ATTR_MAC])
12326 return -EINVAL;
12327
12328 if (!rdev->ops->probe_client)
12329 return -EOPNOTSUPP;
12330
12331 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12332 if (!msg)
12333 return -ENOMEM;
12334
15e47304 12335 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
7f6cf311 12336 NL80211_CMD_PROBE_CLIENT);
cb35fba3
DC		 12337 if (!hdr) {
12338 err = -ENOBUFS;
7f6cf311
JB		 12339 goto free_msg;
12340 }
12341
12342 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
12343
e35e4d28 12344 err = rdev_probe_client(rdev, dev, addr, &cookie);
7f6cf311
JB		 12345 if (err)
12346 goto free_msg;
12347
2dad624e
ND		 12348 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
12349 NL80211_ATTR_PAD))
9360ffd1 12350 goto nla_put_failure;
7f6cf311
JB		 12351
12352 genlmsg_end(msg, hdr);
12353
12354 return genlmsg_reply(msg, info);
12355
12356 nla_put_failure:
12357 err = -ENOBUFS;
12358 free_msg:
12359 nlmsg_free(msg);
12360 return err;
12361}
12362
5e760230
JB		 12363static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info)
12364{
12365 struct cfg80211_registered_device *rdev = info->user_ptr[0];
37c73b5f
BG		 12366 struct cfg80211_beacon_registration *reg, *nreg;
12367 int rv;
5e760230
JB		 12368
12369 if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS))
12370 return -EOPNOTSUPP;
12371
37c73b5f
BG		 12372 nreg = kzalloc(sizeof(*nreg), GFP_KERNEL);
12373 if (!nreg)
12374 return -ENOMEM;
12375
12376 /* First, check if already registered. */
12377 spin_lock_bh(&rdev->beacon_registrations_lock);
12378 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
12379 if (reg->nlportid == info->snd_portid) {
12380 rv = -EALREADY;
12381 goto out_err;
12382 }
12383 }
12384 /* Add it to the list */
12385 nreg->nlportid = info->snd_portid;
12386 list_add(&nreg->list, &rdev->beacon_registrations);
5e760230 12387
37c73b5f 12388 spin_unlock_bh(&rdev->beacon_registrations_lock);
5e760230
JB		 12389
12390 return 0;
37c73b5f
BG		 12391out_err:
12392 spin_unlock_bh(&rdev->beacon_registrations_lock);
12393 kfree(nreg);
12394 return rv;
5e760230
JB		 12395}
12396
98104fde
JB		 12397static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info)
12398{
12399 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12400 struct wireless_dev *wdev = info->user_ptr[1];
12401 int err;
12402
12403 if (!rdev->ops->start_p2p_device)
12404 return -EOPNOTSUPP;
12405
12406 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
12407 return -EOPNOTSUPP;
12408
73c7da3d 12409 if (wdev_running(wdev))
98104fde
JB		 12410 return 0;
12411
b6a55015
LC		 12412 if (rfkill_blocked(rdev->rfkill))
12413 return -ERFKILL;
98104fde 12414
eeb126e9 12415 err = rdev_start_p2p_device(rdev, wdev);
98104fde
JB		 12416 if (err)
12417 return err;
12418
73c7da3d 12419 wdev->is_running = true;
98104fde 12420 rdev->opencount++;
98104fde
JB		 12421
12422 return 0;
12423}
12424
12425static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info)
12426{
12427 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12428 struct wireless_dev *wdev = info->user_ptr[1];
12429
12430 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
12431 return -EOPNOTSUPP;
12432
12433 if (!rdev->ops->stop_p2p_device)
12434 return -EOPNOTSUPP;
12435
f9f47529 12436 cfg80211_stop_p2p_device(rdev, wdev);
98104fde
JB		 12437
12438 return 0;
12439}
12440
cb3b7d87
AB		 12441static int nl80211_start_nan(struct sk_buff *skb, struct genl_info *info)
12442{
12443 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12444 struct wireless_dev *wdev = info->user_ptr[1];
12445 struct cfg80211_nan_conf conf = {};
12446 int err;
12447
12448 if (wdev->iftype != NL80211_IFTYPE_NAN)
12449 return -EOPNOTSUPP;
12450
eeb04a96 12451 if (wdev_running(wdev))
cb3b7d87
AB		 12452 return -EEXIST;
12453
12454 if (rfkill_blocked(rdev->rfkill))
12455 return -ERFKILL;
12456
12457 if (!info->attrs[NL80211_ATTR_NAN_MASTER_PREF])
12458 return -EINVAL;
12459
cb3b7d87
AB		 12460 conf.master_pref =
12461 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
cb3b7d87 12462
8585989d
LC		 12463 if (info->attrs[NL80211_ATTR_BANDS]) {
12464 u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]);
12465
12466 if (bands & ~(u32)wdev->wiphy->nan_supported_bands)
12467 return -EOPNOTSUPP;
12468
12469 if (bands && !(bands & BIT(NL80211_BAND_2GHZ)))
12470 return -EINVAL;
12471
12472 conf.bands = bands;
12473 }
cb3b7d87
AB		 12474
12475 err = rdev_start_nan(rdev, wdev, &conf);
12476 if (err)
12477 return err;
12478
73c7da3d 12479 wdev->is_running = true;
cb3b7d87
AB		 12480 rdev->opencount++;
12481
12482 return 0;
12483}
12484
12485static int nl80211_stop_nan(struct sk_buff *skb, struct genl_info *info)
12486{
12487 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12488 struct wireless_dev *wdev = info->user_ptr[1];
12489
12490 if (wdev->iftype != NL80211_IFTYPE_NAN)
12491 return -EOPNOTSUPP;
12492
12493 cfg80211_stop_nan(rdev, wdev);
12494
12495 return 0;
12496}
12497
a442b761
AB		 12498static int validate_nan_filter(struct nlattr *filter_attr)
12499{
12500 struct nlattr *attr;
12501 int len = 0, n_entries = 0, rem;
12502
12503 nla_for_each_nested(attr, filter_attr, rem) {
12504 len += nla_len(attr);
12505 n_entries++;
12506 }
12507
12508 if (len >= U8_MAX)
12509 return -EINVAL;
12510
12511 return n_entries;
12512}
12513
12514static int handle_nan_filter(struct nlattr *attr_filter,
12515 struct cfg80211_nan_func *func,
12516 bool tx)
12517{
12518 struct nlattr *attr;
12519 int n_entries, rem, i;
12520 struct cfg80211_nan_func_filter *filter;
12521
12522 n_entries = validate_nan_filter(attr_filter);
12523 if (n_entries < 0)
12524 return n_entries;
12525
12526 BUILD_BUG_ON(sizeof(*func->rx_filters) != sizeof(*func->tx_filters));
12527
12528 filter = kcalloc(n_entries, sizeof(*func->rx_filters), GFP_KERNEL);
12529 if (!filter)
12530 return -ENOMEM;
12531
12532 i = 0;
12533 nla_for_each_nested(attr, attr_filter, rem) {
b15ca182 12534 filter[i].filter = nla_memdup(attr, GFP_KERNEL);
a442b761
AB		 12535 filter[i].len = nla_len(attr);
12536 i++;
12537 }
12538 if (tx) {
12539 func->num_tx_filters = n_entries;
12540 func->tx_filters = filter;
12541 } else {
12542 func->num_rx_filters = n_entries;
12543 func->rx_filters = filter;
12544 }
12545
12546 return 0;
12547}
12548
12549static int nl80211_nan_add_func(struct sk_buff *skb,
12550 struct genl_info *info)
12551{
12552 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12553 struct wireless_dev *wdev = info->user_ptr[1];
12554 struct nlattr *tb[NUM_NL80211_NAN_FUNC_ATTR], *func_attr;
12555 struct cfg80211_nan_func *func;
12556 struct sk_buff *msg = NULL;
12557 void *hdr = NULL;
12558 int err = 0;
12559
12560 if (wdev->iftype != NL80211_IFTYPE_NAN)
12561 return -EOPNOTSUPP;
12562
73c7da3d 12563 if (!wdev_running(wdev))
a442b761
AB		 12564 return -ENOTCONN;
12565
12566 if (!info->attrs[NL80211_ATTR_NAN_FUNC])
12567 return -EINVAL;
12568
8cb08174
JB		 12569 err = nla_parse_nested_deprecated(tb, NL80211_NAN_FUNC_ATTR_MAX,
12570 info->attrs[NL80211_ATTR_NAN_FUNC],
12571 nl80211_nan_func_policy,
12572 info->extack);
a442b761
AB		 12573 if (err)
12574 return err;
12575
12576 func = kzalloc(sizeof(*func), GFP_KERNEL);
12577 if (!func)
12578 return -ENOMEM;
12579
b60ad348 12580 func->cookie = cfg80211_assign_cookie(rdev);
a442b761
AB		 12581
12582 if (!tb[NL80211_NAN_FUNC_TYPE] ||
12583 nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]) > NL80211_NAN_FUNC_MAX_TYPE) {
12584 err = -EINVAL;
12585 goto out;
12586 }
12587
12588
12589 func->type = nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]);
12590
12591 if (!tb[NL80211_NAN_FUNC_SERVICE_ID]) {
12592 err = -EINVAL;
12593 goto out;
12594 }
12595
12596 memcpy(func->service_id, nla_data(tb[NL80211_NAN_FUNC_SERVICE_ID]),
12597 sizeof(func->service_id));
12598
12599 func->close_range =
12600 nla_get_flag(tb[NL80211_NAN_FUNC_CLOSE_RANGE]);
12601
12602 if (tb[NL80211_NAN_FUNC_SERVICE_INFO]) {
12603 func->serv_spec_info_len =
12604 nla_len(tb[NL80211_NAN_FUNC_SERVICE_INFO]);
12605 func->serv_spec_info =
12606 kmemdup(nla_data(tb[NL80211_NAN_FUNC_SERVICE_INFO]),
12607 func->serv_spec_info_len,
12608 GFP_KERNEL);
12609 if (!func->serv_spec_info) {
12610 err = -ENOMEM;
12611 goto out;
12612 }
12613 }
12614
12615 if (tb[NL80211_NAN_FUNC_TTL])
12616 func->ttl = nla_get_u32(tb[NL80211_NAN_FUNC_TTL]);
12617
12618 switch (func->type) {
12619 case NL80211_NAN_FUNC_PUBLISH:
12620 if (!tb[NL80211_NAN_FUNC_PUBLISH_TYPE]) {
12621 err = -EINVAL;
12622 goto out;
12623 }
12624
12625 func->publish_type =
12626 nla_get_u8(tb[NL80211_NAN_FUNC_PUBLISH_TYPE]);
12627 func->publish_bcast =
12628 nla_get_flag(tb[NL80211_NAN_FUNC_PUBLISH_BCAST]);
12629
12630 if ((!(func->publish_type & NL80211_NAN_SOLICITED_PUBLISH)) &&
12631 func->publish_bcast) {
12632 err = -EINVAL;
12633 goto out;
12634 }
12635 break;
12636 case NL80211_NAN_FUNC_SUBSCRIBE:
12637 func->subscribe_active =
12638 nla_get_flag(tb[NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE]);
12639 break;
12640 case NL80211_NAN_FUNC_FOLLOW_UP:
12641 if (!tb[NL80211_NAN_FUNC_FOLLOW_UP_ID] ||
3ea15452
HC		 12642 !tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] ||
12643 !tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]) {
a442b761
AB		 12644 err = -EINVAL;
12645 goto out;
12646 }
12647
12648 func->followup_id =
12649 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_ID]);
12650 func->followup_reqid =
12651 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID]);
12652 memcpy(func->followup_dest.addr,
12653 nla_data(tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]),
12654 sizeof(func->followup_dest.addr));
12655 if (func->ttl) {
12656 err = -EINVAL;
12657 goto out;
12658 }
12659 break;
12660 default:
12661 err = -EINVAL;
12662 goto out;
12663 }
12664
12665 if (tb[NL80211_NAN_FUNC_SRF]) {
12666 struct nlattr *srf_tb[NUM_NL80211_NAN_SRF_ATTR];
12667
8cb08174
JB		 12668 err = nla_parse_nested_deprecated(srf_tb,
12669 NL80211_NAN_SRF_ATTR_MAX,
12670 tb[NL80211_NAN_FUNC_SRF],
12671 nl80211_nan_srf_policy,
12672 info->extack);
a442b761
AB		 12673 if (err)
12674 goto out;
12675
12676 func->srf_include =
12677 nla_get_flag(srf_tb[NL80211_NAN_SRF_INCLUDE]);
12678
12679 if (srf_tb[NL80211_NAN_SRF_BF]) {
12680 if (srf_tb[NL80211_NAN_SRF_MAC_ADDRS] ||
12681 !srf_tb[NL80211_NAN_SRF_BF_IDX]) {
12682 err = -EINVAL;
12683 goto out;
12684 }
12685
12686 func->srf_bf_len =
12687 nla_len(srf_tb[NL80211_NAN_SRF_BF]);
12688 func->srf_bf =
12689 kmemdup(nla_data(srf_tb[NL80211_NAN_SRF_BF]),
12690 func->srf_bf_len, GFP_KERNEL);
12691 if (!func->srf_bf) {
12692 err = -ENOMEM;
12693 goto out;
12694 }
12695
12696 func->srf_bf_idx =
12697 nla_get_u8(srf_tb[NL80211_NAN_SRF_BF_IDX]);
12698 } else {
12699 struct nlattr *attr, *mac_attr =
12700 srf_tb[NL80211_NAN_SRF_MAC_ADDRS];
12701 int n_entries, rem, i = 0;
12702
12703 if (!mac_attr) {
12704 err = -EINVAL;
12705 goto out;
12706 }
12707
12708 n_entries = validate_acl_mac_addrs(mac_attr);
12709 if (n_entries <= 0) {
12710 err = -EINVAL;
12711 goto out;
12712 }
12713
12714 func->srf_num_macs = n_entries;
12715 func->srf_macs =
6396bb22 12716 kcalloc(n_entries, sizeof(*func->srf_macs),
a442b761
AB		 12717 GFP_KERNEL);
12718 if (!func->srf_macs) {
12719 err = -ENOMEM;
12720 goto out;
12721 }
12722
12723 nla_for_each_nested(attr, mac_attr, rem)
12724 memcpy(func->srf_macs[i++].addr, nla_data(attr),
12725 sizeof(*func->srf_macs));
12726 }
12727 }
12728
12729 if (tb[NL80211_NAN_FUNC_TX_MATCH_FILTER]) {
12730 err = handle_nan_filter(tb[NL80211_NAN_FUNC_TX_MATCH_FILTER],
12731 func, true);
12732 if (err)
12733 goto out;
12734 }
12735
12736 if (tb[NL80211_NAN_FUNC_RX_MATCH_FILTER]) {
12737 err = handle_nan_filter(tb[NL80211_NAN_FUNC_RX_MATCH_FILTER],
12738 func, false);
12739 if (err)
12740 goto out;
12741 }
12742
12743 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12744 if (!msg) {
12745 err = -ENOMEM;
12746 goto out;
12747 }
12748
12749 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12750 NL80211_CMD_ADD_NAN_FUNCTION);
12751 /* This can't really happen - we just allocated 4KB */
12752 if (WARN_ON(!hdr)) {
12753 err = -ENOMEM;
12754 goto out;
12755 }
12756
12757 err = rdev_add_nan_func(rdev, wdev, func);
12758out:
12759 if (err < 0) {
12760 cfg80211_free_nan_func(func);
12761 nlmsg_free(msg);
12762 return err;
12763 }
12764
12765 /* propagate the instance id and cookie to userspace */
12766 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, func->cookie,
12767 NL80211_ATTR_PAD))
12768 goto nla_put_failure;
12769
ae0be8de 12770 func_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_FUNC);
a442b761
AB		 12771 if (!func_attr)
12772 goto nla_put_failure;
12773
12774 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID,
12775 func->instance_id))
12776 goto nla_put_failure;
12777
12778 nla_nest_end(msg, func_attr);
12779
12780 genlmsg_end(msg, hdr);
12781 return genlmsg_reply(msg, info);
12782
12783nla_put_failure:
12784 nlmsg_free(msg);
12785 return -ENOBUFS;
12786}
12787
12788static int nl80211_nan_del_func(struct sk_buff *skb,
12789 struct genl_info *info)
12790{
12791 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12792 struct wireless_dev *wdev = info->user_ptr[1];
12793 u64 cookie;
12794
12795 if (wdev->iftype != NL80211_IFTYPE_NAN)
12796 return -EOPNOTSUPP;
12797
73c7da3d 12798 if (!wdev_running(wdev))
a442b761
AB		 12799 return -ENOTCONN;
12800
12801 if (!info->attrs[NL80211_ATTR_COOKIE])
12802 return -EINVAL;
12803
a442b761
AB		 12804 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
12805
12806 rdev_del_nan_func(rdev, wdev, cookie);
12807
12808 return 0;
12809}
12810
a5a9dcf2
AB		 12811static int nl80211_nan_change_config(struct sk_buff *skb,
12812 struct genl_info *info)
12813{
12814 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12815 struct wireless_dev *wdev = info->user_ptr[1];
12816 struct cfg80211_nan_conf conf = {};
12817 u32 changed = 0;
12818
12819 if (wdev->iftype != NL80211_IFTYPE_NAN)
12820 return -EOPNOTSUPP;
12821
73c7da3d 12822 if (!wdev_running(wdev))
a5a9dcf2
AB		 12823 return -ENOTCONN;
12824
12825 if (info->attrs[NL80211_ATTR_NAN_MASTER_PREF]) {
12826 conf.master_pref =
12827 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
12828 if (conf.master_pref <= 1 || conf.master_pref == 255)
12829 return -EINVAL;
12830
12831 changed |= CFG80211_NAN_CONF_CHANGED_PREF;
12832 }
12833
8585989d
LC		 12834 if (info->attrs[NL80211_ATTR_BANDS]) {
12835 u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]);
12836
12837 if (bands & ~(u32)wdev->wiphy->nan_supported_bands)
12838 return -EOPNOTSUPP;
12839
12840 if (bands && !(bands & BIT(NL80211_BAND_2GHZ)))
12841 return -EINVAL;
12842
12843 conf.bands = bands;
12844 changed |= CFG80211_NAN_CONF_CHANGED_BANDS;
a5a9dcf2
AB		 12845 }
12846
12847 if (!changed)
12848 return -EINVAL;
12849
12850 return rdev_nan_change_conf(rdev, wdev, &conf, changed);
12851}
12852
50bcd31d
AB		 12853void cfg80211_nan_match(struct wireless_dev *wdev,
12854 struct cfg80211_nan_match_params *match, gfp_t gfp)
12855{
12856 struct wiphy *wiphy = wdev->wiphy;
12857 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
12858 struct nlattr *match_attr, *local_func_attr, *peer_func_attr;
12859 struct sk_buff *msg;
12860 void *hdr;
12861
12862 if (WARN_ON(!match->inst_id || !match->peer_inst_id || !match->addr))
12863 return;
12864
12865 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
12866 if (!msg)
12867 return;
12868
12869 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NAN_MATCH);
12870 if (!hdr) {
12871 nlmsg_free(msg);
12872 return;
12873 }
12874
12875 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
12876 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
12877 wdev->netdev->ifindex)) ||
12878 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
12879 NL80211_ATTR_PAD))
12880 goto nla_put_failure;
12881
12882 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, match->cookie,
12883 NL80211_ATTR_PAD) ||
12884 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, match->addr))
12885 goto nla_put_failure;
12886
ae0be8de 12887 match_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_MATCH);
50bcd31d
AB		 12888 if (!match_attr)
12889 goto nla_put_failure;
12890
ae0be8de
MK		 12891 local_func_attr = nla_nest_start_noflag(msg,
12892 NL80211_NAN_MATCH_FUNC_LOCAL);
50bcd31d
AB		 12893 if (!local_func_attr)
12894 goto nla_put_failure;
12895
12896 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->inst_id))
12897 goto nla_put_failure;
12898
12899 nla_nest_end(msg, local_func_attr);
12900
ae0be8de
MK		 12901 peer_func_attr = nla_nest_start_noflag(msg,
12902 NL80211_NAN_MATCH_FUNC_PEER);
50bcd31d
AB		 12903 if (!peer_func_attr)
12904 goto nla_put_failure;
12905
12906 if (nla_put_u8(msg, NL80211_NAN_FUNC_TYPE, match->type) ||
12907 nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->peer_inst_id))
12908 goto nla_put_failure;
12909
12910 if (match->info && match->info_len &&
12911 nla_put(msg, NL80211_NAN_FUNC_SERVICE_INFO, match->info_len,
12912 match->info))
12913 goto nla_put_failure;
12914
12915 nla_nest_end(msg, peer_func_attr);
12916 nla_nest_end(msg, match_attr);
12917 genlmsg_end(msg, hdr);
12918
12919 if (!wdev->owner_nlportid)
12920 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
12921 msg, 0, NL80211_MCGRP_NAN, gfp);
12922 else
12923 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
12924 wdev->owner_nlportid);
12925
12926 return;
12927
12928nla_put_failure:
12929 nlmsg_free(msg);
12930}
12931EXPORT_SYMBOL(cfg80211_nan_match);
12932
368e5a7b
AB		 12933void cfg80211_nan_func_terminated(struct wireless_dev *wdev,
12934 u8 inst_id,
12935 enum nl80211_nan_func_term_reason reason,
12936 u64 cookie, gfp_t gfp)
12937{
12938 struct wiphy *wiphy = wdev->wiphy;
12939 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
12940 struct sk_buff *msg;
12941 struct nlattr *func_attr;
12942 void *hdr;
12943
12944 if (WARN_ON(!inst_id))
12945 return;
12946
12947 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
12948 if (!msg)
12949 return;
12950
12951 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_NAN_FUNCTION);
12952 if (!hdr) {
12953 nlmsg_free(msg);
12954 return;
12955 }
12956
12957 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
12958 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
12959 wdev->netdev->ifindex)) ||
12960 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
12961 NL80211_ATTR_PAD))
12962 goto nla_put_failure;
12963
12964 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
12965 NL80211_ATTR_PAD))
12966 goto nla_put_failure;
12967
ae0be8de 12968 func_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_FUNC);
368e5a7b
AB		 12969 if (!func_attr)
12970 goto nla_put_failure;
12971
12972 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, inst_id) ||
12973 nla_put_u8(msg, NL80211_NAN_FUNC_TERM_REASON, reason))
12974 goto nla_put_failure;
12975
12976 nla_nest_end(msg, func_attr);
12977 genlmsg_end(msg, hdr);
12978
12979 if (!wdev->owner_nlportid)
12980 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
12981 msg, 0, NL80211_MCGRP_NAN, gfp);
12982 else
12983 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
12984 wdev->owner_nlportid);
12985
12986 return;
12987
12988nla_put_failure:
12989 nlmsg_free(msg);
12990}
12991EXPORT_SYMBOL(cfg80211_nan_func_terminated);
12992
3713b4e3
JB		 12993static int nl80211_get_protocol_features(struct sk_buff *skb,
12994 struct genl_info *info)
12995{
12996 void *hdr;
12997 struct sk_buff *msg;
12998
12999 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
13000 if (!msg)
13001 return -ENOMEM;
13002
13003 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
13004 NL80211_CMD_GET_PROTOCOL_FEATURES);
13005 if (!hdr)
13006 goto nla_put_failure;
13007
13008 if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES,
13009 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP))
13010 goto nla_put_failure;
13011
13012 genlmsg_end(msg, hdr);
13013 return genlmsg_reply(msg, info);
13014
13015 nla_put_failure:
13016 kfree_skb(msg);
13017 return -ENOBUFS;
13018}
13019
355199e0
JM		 13020static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info)
13021{
13022 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13023 struct cfg80211_update_ft_ies_params ft_params;
13024 struct net_device *dev = info->user_ptr[1];
13025
13026 if (!rdev->ops->update_ft_ies)
13027 return -EOPNOTSUPP;
13028
13029 if (!info->attrs[NL80211_ATTR_MDID] ||
3d7af878 13030 !info->attrs[NL80211_ATTR_IE])
355199e0
JM		 13031 return -EINVAL;
13032
13033 memset(&ft_params, 0, sizeof(ft_params));
13034 ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]);
13035 ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
13036 ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
13037
13038 return rdev_update_ft_ies(rdev, dev, &ft_params);
13039}
13040
5de17984
AS		 13041static int nl80211_crit_protocol_start(struct sk_buff *skb,
13042 struct genl_info *info)
13043{
13044 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13045 struct wireless_dev *wdev = info->user_ptr[1];
13046 enum nl80211_crit_proto_id proto = NL80211_CRIT_PROTO_UNSPEC;
13047 u16 duration;
13048 int ret;
13049
13050 if (!rdev->ops->crit_proto_start)
13051 return -EOPNOTSUPP;
13052
13053 if (WARN_ON(!rdev->ops->crit_proto_stop))
13054 return -EINVAL;
13055
13056 if (rdev->crit_proto_nlportid)
13057 return -EBUSY;
13058
13059 /* determine protocol if provided */
13060 if (info->attrs[NL80211_ATTR_CRIT_PROT_ID])
13061 proto = nla_get_u16(info->attrs[NL80211_ATTR_CRIT_PROT_ID]);
13062
13063 if (proto >= NUM_NL80211_CRIT_PROTO)
13064 return -EINVAL;
13065
13066 /* timeout must be provided */
13067 if (!info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION])
13068 return -EINVAL;
13069
13070 duration =
13071 nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]);
13072
13073 if (duration > NL80211_CRIT_PROTO_MAX_DURATION)
13074 return -ERANGE;
13075
13076 ret = rdev_crit_proto_start(rdev, wdev, proto, duration);
13077 if (!ret)
13078 rdev->crit_proto_nlportid = info->snd_portid;
13079
13080 return ret;
13081}
13082
13083static int nl80211_crit_protocol_stop(struct sk_buff *skb,
13084 struct genl_info *info)
13085{
13086 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13087 struct wireless_dev *wdev = info->user_ptr[1];
13088
13089 if (!rdev->ops->crit_proto_stop)
13090 return -EOPNOTSUPP;
13091
13092 if (rdev->crit_proto_nlportid) {
13093 rdev->crit_proto_nlportid = 0;
13094 rdev_crit_proto_stop(rdev, wdev);
13095 }
13096 return 0;
13097}
13098
901bb989
JB		 13099static int nl80211_vendor_check_policy(const struct wiphy_vendor_command *vcmd,
13100 struct nlattr *attr,
13101 struct netlink_ext_ack *extack)
13102{
13103 if (vcmd->policy == VENDOR_CMD_RAW_DATA) {
13104 if (attr->nla_type & NLA_F_NESTED) {
13105 NL_SET_ERR_MSG_ATTR(extack, attr,
13106 "unexpected nested data");
13107 return -EINVAL;
13108 }
13109
13110 return 0;
13111 }
13112
13113 if (!(attr->nla_type & NLA_F_NESTED)) {
13114 NL_SET_ERR_MSG_ATTR(extack, attr, "expected nested data");
13115 return -EINVAL;
13116 }
13117
32d5109a 13118 return nla_validate_nested(attr, vcmd->maxattr, vcmd->policy, extack);
901bb989
JB		 13119}
13120
ad7e718c
JB		 13121static int nl80211_vendor_cmd(struct sk_buff *skb, struct genl_info *info)
13122{
13123 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13124 struct wireless_dev *wdev =
13125 __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs);
13126 int i, err;
13127 u32 vid, subcmd;
13128
13129 if (!rdev->wiphy.vendor_commands)
13130 return -EOPNOTSUPP;
13131
13132 if (IS_ERR(wdev)) {
13133 err = PTR_ERR(wdev);
13134 if (err != -EINVAL)
13135 return err;
13136 wdev = NULL;
13137 } else if (wdev->wiphy != &rdev->wiphy) {
13138 return -EINVAL;
13139 }
13140
13141 if (!info->attrs[NL80211_ATTR_VENDOR_ID] ||
13142 !info->attrs[NL80211_ATTR_VENDOR_SUBCMD])
13143 return -EINVAL;
13144
13145 vid = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_ID]);
13146 subcmd = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_SUBCMD]);
13147 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
13148 const struct wiphy_vendor_command *vcmd;
13149 void *data = NULL;
13150 int len = 0;
13151
13152 vcmd = &rdev->wiphy.vendor_commands[i];
13153
13154 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
13155 continue;
13156
13157 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
13158 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
13159 if (!wdev)
13160 return -EINVAL;
13161 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
13162 !wdev->netdev)
13163 return -EINVAL;
13164
13165 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
73c7da3d 13166 if (!wdev_running(wdev))
ad7e718c
JB		 13167 return -ENETDOWN;
13168 }
7bdbe400
JB		 13169
13170 if (!vcmd->doit)
13171 return -EOPNOTSUPP;
ad7e718c
JB		 13172 } else {
13173 wdev = NULL;
13174 }
13175
13176 if (info->attrs[NL80211_ATTR_VENDOR_DATA]) {
13177 data = nla_data(info->attrs[NL80211_ATTR_VENDOR_DATA]);
13178 len = nla_len(info->attrs[NL80211_ATTR_VENDOR_DATA]);
901bb989
JB		 13179
13180 err = nl80211_vendor_check_policy(vcmd,
13181 info->attrs[NL80211_ATTR_VENDOR_DATA],
13182 info->extack);
13183 if (err)
13184 return err;
ad7e718c
JB		 13185 }
13186
13187 rdev->cur_cmd_info = info;
901bb989 13188 err = vcmd->doit(&rdev->wiphy, wdev, data, len);
ad7e718c
JB		 13189 rdev->cur_cmd_info = NULL;
13190 return err;
13191 }
13192
13193 return -EOPNOTSUPP;
13194}
13195
7bdbe400
JB		 13196static int nl80211_prepare_vendor_dump(struct sk_buff *skb,
13197 struct netlink_callback *cb,
13198 struct cfg80211_registered_device **rdev,
13199 struct wireless_dev **wdev)
13200{
50508d94 13201 struct nlattr **attrbuf;
7bdbe400
JB		 13202 u32 vid, subcmd;
13203 unsigned int i;
13204 int vcmd_idx = -1;
13205 int err;
13206 void *data = NULL;
13207 unsigned int data_len = 0;
13208
7bdbe400
JB		 13209 if (cb->args[0]) {
13210 /* subtract the 1 again here */
13211 struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
13212 struct wireless_dev *tmp;
13213
ea90e0dc
JB		 13214 if (!wiphy)
13215 return -ENODEV;
7bdbe400
JB		 13216 *rdev = wiphy_to_rdev(wiphy);
13217 *wdev = NULL;
13218
13219 if (cb->args[1]) {
53873f13 13220 list_for_each_entry(tmp, &wiphy->wdev_list, list) {
7bdbe400
JB		 13221 if (tmp->identifier == cb->args[1] - 1) {
13222 *wdev = tmp;
13223 break;
13224 }
13225 }
13226 }
13227
13228 /* keep rtnl locked in successful case */
13229 return 0;
13230 }
13231
50508d94
JB		 13232 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf), GFP_KERNEL);
13233 if (!attrbuf)
13234 return -ENOMEM;
13235
8cb08174
JB		 13236 err = nlmsg_parse_deprecated(cb->nlh,
13237 GENL_HDRLEN + nl80211_fam.hdrsize,
13238 attrbuf, nl80211_fam.maxattr,
13239 nl80211_policy, NULL);
7bdbe400 13240 if (err)
50508d94 13241 goto out;
7bdbe400 13242
c90c39da 13243 if (!attrbuf[NL80211_ATTR_VENDOR_ID] ||
50508d94
JB		 13244 !attrbuf[NL80211_ATTR_VENDOR_SUBCMD]) {
13245 err = -EINVAL;
13246 goto out;
13247 }
7bdbe400 13248
c90c39da 13249 *wdev = __cfg80211_wdev_from_attrs(sock_net(skb->sk), attrbuf);
7bdbe400
JB		 13250 if (IS_ERR(*wdev))
13251 *wdev = NULL;
13252
c90c39da 13253 *rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
50508d94
JB		 13254 if (IS_ERR(*rdev)) {
13255 err = PTR_ERR(*rdev);
13256 goto out;
13257 }
7bdbe400 13258
c90c39da
JB		 13259 vid = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_ID]);
13260 subcmd = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_SUBCMD]);
7bdbe400
JB		 13261
13262 for (i = 0; i < (*rdev)->wiphy.n_vendor_commands; i++) {
13263 const struct wiphy_vendor_command *vcmd;
13264
13265 vcmd = &(*rdev)->wiphy.vendor_commands[i];
13266
13267 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
13268 continue;
13269
50508d94
JB		 13270 if (!vcmd->dumpit) {
13271 err = -EOPNOTSUPP;
13272 goto out;
13273 }
7bdbe400
JB		 13274
13275 vcmd_idx = i;
13276 break;
13277 }
13278
50508d94
JB		 13279 if (vcmd_idx < 0) {
13280 err = -EOPNOTSUPP;
13281 goto out;
13282 }
7bdbe400 13283
c90c39da
JB		 13284 if (attrbuf[NL80211_ATTR_VENDOR_DATA]) {
13285 data = nla_data(attrbuf[NL80211_ATTR_VENDOR_DATA]);
13286 data_len = nla_len(attrbuf[NL80211_ATTR_VENDOR_DATA]);
901bb989
JB		 13287
13288 err = nl80211_vendor_check_policy(
13289 &(*rdev)->wiphy.vendor_commands[vcmd_idx],
13290 attrbuf[NL80211_ATTR_VENDOR_DATA],
13291 cb->extack);
13292 if (err)
50508d94 13293 goto out;
7bdbe400
JB		 13294 }
13295
13296 /* 0 is the first index - add 1 to parse only once */
13297 cb->args[0] = (*rdev)->wiphy_idx + 1;
13298 /* add 1 to know if it was NULL */
13299 cb->args[1] = *wdev ? (*wdev)->identifier + 1 : 0;
13300 cb->args[2] = vcmd_idx;
13301 cb->args[3] = (unsigned long)data;
13302 cb->args[4] = data_len;
13303
13304 /* keep rtnl locked in successful case */
50508d94
JB		 13305 err = 0;
13306out:
13307 kfree(attrbuf);
13308 return err;
7bdbe400
JB		 13309}
13310
13311static int nl80211_vendor_cmd_dump(struct sk_buff *skb,
13312 struct netlink_callback *cb)
13313{
13314 struct cfg80211_registered_device *rdev;
13315 struct wireless_dev *wdev;
13316 unsigned int vcmd_idx;
13317 const struct wiphy_vendor_command *vcmd;
13318 void *data;
13319 int data_len;
13320 int err;
13321 struct nlattr *vendor_data;
13322
ea90e0dc 13323 rtnl_lock();
7bdbe400
JB		 13324 err = nl80211_prepare_vendor_dump(skb, cb, &rdev, &wdev);
13325 if (err)
ea90e0dc 13326 goto out;
7bdbe400
JB		 13327
13328 vcmd_idx = cb->args[2];
13329 data = (void *)cb->args[3];
13330 data_len = cb->args[4];
13331 vcmd = &rdev->wiphy.vendor_commands[vcmd_idx];
13332
13333 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
13334 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
ea90e0dc
JB		 13335 if (!wdev) {
13336 err = -EINVAL;
13337 goto out;
13338 }
7bdbe400 13339 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
ea90e0dc
JB		 13340 !wdev->netdev) {
13341 err = -EINVAL;
13342 goto out;
13343 }
7bdbe400
JB		 13344
13345 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
ea90e0dc
JB		 13346 if (!wdev_running(wdev)) {
13347 err = -ENETDOWN;
13348 goto out;
13349 }
7bdbe400
JB		 13350 }
13351 }
13352
13353 while (1) {
13354 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
13355 cb->nlh->nlmsg_seq, NLM_F_MULTI,
13356 NL80211_CMD_VENDOR);
13357 if (!hdr)
13358 break;
13359
13360 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
2dad624e
ND		 13361 (wdev && nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
13362 wdev_id(wdev),
13363 NL80211_ATTR_PAD))) {
7bdbe400
JB		 13364 genlmsg_cancel(skb, hdr);
13365 break;
13366 }
13367
ae0be8de
MK		 13368 vendor_data = nla_nest_start_noflag(skb,
13369 NL80211_ATTR_VENDOR_DATA);
7bdbe400
JB		 13370 if (!vendor_data) {
13371 genlmsg_cancel(skb, hdr);
13372 break;
13373 }
13374
13375 err = vcmd->dumpit(&rdev->wiphy, wdev, skb, data, data_len,
13376 (unsigned long *)&cb->args[5]);
13377 nla_nest_end(skb, vendor_data);
13378
13379 if (err == -ENOBUFS || err == -ENOENT) {
13380 genlmsg_cancel(skb, hdr);
13381 break;
13382 } else if (err) {
13383 genlmsg_cancel(skb, hdr);
13384 goto out;
13385 }
13386
13387 genlmsg_end(skb, hdr);
13388 }
13389
13390 err = skb->len;
13391 out:
13392 rtnl_unlock();
13393 return err;
13394}
13395
ad7e718c
JB		 13396struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy,
13397 enum nl80211_commands cmd,
13398 enum nl80211_attrs attr,
13399 int approxlen)
13400{
f26cbf40 13401 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
ad7e718c
JB		 13402
13403 if (WARN_ON(!rdev->cur_cmd_info))
13404 return NULL;
13405
6c09e791 13406 return __cfg80211_alloc_vendor_skb(rdev, NULL, approxlen,
ad7e718c
JB		 13407 rdev->cur_cmd_info->snd_portid,
13408 rdev->cur_cmd_info->snd_seq,
567ffc35 13409 cmd, attr, NULL, GFP_KERNEL);
ad7e718c
JB		 13410}
13411EXPORT_SYMBOL(__cfg80211_alloc_reply_skb);
13412
13413int cfg80211_vendor_cmd_reply(struct sk_buff *skb)
13414{
13415 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
13416 void *hdr = ((void **)skb->cb)[1];
13417 struct nlattr *data = ((void **)skb->cb)[2];
13418
bd8c78e7
JB		 13419 /* clear CB data for netlink core to own from now on */
13420 memset(skb->cb, 0, sizeof(skb->cb));
13421
ad7e718c
JB		 13422 if (WARN_ON(!rdev->cur_cmd_info)) {
13423 kfree_skb(skb);
13424 return -EINVAL;
13425 }
13426
13427 nla_nest_end(skb, data);
13428 genlmsg_end(skb, hdr);
13429 return genlmsg_reply(skb, rdev->cur_cmd_info);
13430}
13431EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply);
13432
55c1fdf0
JB		 13433unsigned int cfg80211_vendor_cmd_get_sender(struct wiphy *wiphy)
13434{
13435 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
13436
13437 if (WARN_ON(!rdev->cur_cmd_info))
13438 return 0;
13439
13440 return rdev->cur_cmd_info->snd_portid;
13441}
13442EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_get_sender);
13443
fa9ffc74
KP		 13444static int nl80211_set_qos_map(struct sk_buff *skb,
13445 struct genl_info *info)
13446{
13447 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13448 struct cfg80211_qos_map *qos_map = NULL;
13449 struct net_device *dev = info->user_ptr[1];
13450 u8 *pos, len, num_des, des_len, des;
13451 int ret;
13452
13453 if (!rdev->ops->set_qos_map)
13454 return -EOPNOTSUPP;
13455
13456 if (info->attrs[NL80211_ATTR_QOS_MAP]) {
13457 pos = nla_data(info->attrs[NL80211_ATTR_QOS_MAP]);
13458 len = nla_len(info->attrs[NL80211_ATTR_QOS_MAP]);
13459
13460 if (len % 2 || len < IEEE80211_QOS_MAP_LEN_MIN ||
13461 len > IEEE80211_QOS_MAP_LEN_MAX)
13462 return -EINVAL;
13463
13464 qos_map = kzalloc(sizeof(struct cfg80211_qos_map), GFP_KERNEL);
13465 if (!qos_map)
13466 return -ENOMEM;
13467
13468 num_des = (len - IEEE80211_QOS_MAP_LEN_MIN) >> 1;
13469 if (num_des) {
13470 des_len = num_des *
13471 sizeof(struct cfg80211_dscp_exception);
13472 memcpy(qos_map->dscp_exception, pos, des_len);
13473 qos_map->num_des = num_des;
13474 for (des = 0; des < num_des; des++) {
13475 if (qos_map->dscp_exception[des].up > 7) {
13476 kfree(qos_map);
13477 return -EINVAL;
13478 }
13479 }
13480 pos += des_len;
13481 }
13482 memcpy(qos_map->up, pos, IEEE80211_QOS_MAP_LEN_MIN);
13483 }
13484
13485 wdev_lock(dev->ieee80211_ptr);
13486 ret = nl80211_key_allowed(dev->ieee80211_ptr);
13487 if (!ret)
13488 ret = rdev_set_qos_map(rdev, dev, qos_map);
13489 wdev_unlock(dev->ieee80211_ptr);
13490
13491 kfree(qos_map);
13492 return ret;
13493}
13494
960d01ac
JB		 13495static int nl80211_add_tx_ts(struct sk_buff *skb, struct genl_info *info)
13496{
13497 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13498 struct net_device *dev = info->user_ptr[1];
13499 struct wireless_dev *wdev = dev->ieee80211_ptr;
13500 const u8 *peer;
13501 u8 tsid, up;
13502 u16 admitted_time = 0;
13503 int err;
13504
723e73ac 13505 if (!(rdev->wiphy.features & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION))
960d01ac
JB		 13506 return -EOPNOTSUPP;
13507
13508 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC] ||
13509 !info->attrs[NL80211_ATTR_USER_PRIO])
13510 return -EINVAL;
13511
13512 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
960d01ac 13513 up = nla_get_u8(info->attrs[NL80211_ATTR_USER_PRIO]);
960d01ac
JB		 13514
13515 /* WMM uses TIDs 0-7 even for TSPEC */
723e73ac 13516 if (tsid >= IEEE80211_FIRST_TSPEC_TSID) {
960d01ac 13517 /* TODO: handle 802.11 TSPEC/admission control
723e73ac
JB		 13518 * need more attributes for that (e.g. BA session requirement);
13519 * change the WMM adminssion test above to allow both then
960d01ac
JB		 13520 */
13521 return -EINVAL;
13522 }
13523
13524 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
13525
13526 if (info->attrs[NL80211_ATTR_ADMITTED_TIME]) {
13527 admitted_time =
13528 nla_get_u16(info->attrs[NL80211_ATTR_ADMITTED_TIME]);
13529 if (!admitted_time)
13530 return -EINVAL;
13531 }
13532
13533 wdev_lock(wdev);
13534 switch (wdev->iftype) {
13535 case NL80211_IFTYPE_STATION:
13536 case NL80211_IFTYPE_P2P_CLIENT:
13537 if (wdev->current_bss)
13538 break;
13539 err = -ENOTCONN;
13540 goto out;
13541 default:
13542 err = -EOPNOTSUPP;
13543 goto out;
13544 }
13545
13546 err = rdev_add_tx_ts(rdev, dev, tsid, peer, up, admitted_time);
13547
13548 out:
13549 wdev_unlock(wdev);
13550 return err;
13551}
13552
13553static int nl80211_del_tx_ts(struct sk_buff *skb, struct genl_info *info)
13554{
13555 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13556 struct net_device *dev = info->user_ptr[1];
13557 struct wireless_dev *wdev = dev->ieee80211_ptr;
13558 const u8 *peer;
13559 u8 tsid;
13560 int err;
13561
13562 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC])
13563 return -EINVAL;
13564
13565 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
13566 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
13567
13568 wdev_lock(wdev);
13569 err = rdev_del_tx_ts(rdev, dev, tsid, peer);
13570 wdev_unlock(wdev);
13571
13572 return err;
13573}
13574
1057d35e
AN		 13575static int nl80211_tdls_channel_switch(struct sk_buff *skb,
13576 struct genl_info *info)
13577{
13578 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13579 struct net_device *dev = info->user_ptr[1];
13580 struct wireless_dev *wdev = dev->ieee80211_ptr;
13581 struct cfg80211_chan_def chandef = {};
13582 const u8 *addr;
13583 u8 oper_class;
13584 int err;
13585
13586 if (!rdev->ops->tdls_channel_switch ||
13587 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
13588 return -EOPNOTSUPP;
13589
13590 switch (dev->ieee80211_ptr->iftype) {
13591 case NL80211_IFTYPE_STATION:
13592 case NL80211_IFTYPE_P2P_CLIENT:
13593 break;
13594 default:
13595 return -EOPNOTSUPP;
13596 }
13597
13598 if (!info->attrs[NL80211_ATTR_MAC] ||
13599 !info->attrs[NL80211_ATTR_OPER_CLASS])
13600 return -EINVAL;
13601
13602 err = nl80211_parse_chandef(rdev, info, &chandef);
13603 if (err)
13604 return err;
13605
13606 /*
13607 * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012
13608 * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the
13609 * specification is not defined for them.
13610 */
57fbcce3 13611 if (chandef.chan->band == NL80211_BAND_2GHZ &&
1057d35e
AN		 13612 chandef.width != NL80211_CHAN_WIDTH_20_NOHT &&
13613 chandef.width != NL80211_CHAN_WIDTH_20)
13614 return -EINVAL;
13615
13616 /* we will be active on the TDLS link */
923b352f
AN		 13617 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
13618 wdev->iftype))
1057d35e
AN		 13619 return -EINVAL;
13620
13621 /* don't allow switching to DFS channels */
13622 if (cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, wdev->iftype))
13623 return -EINVAL;
13624
13625 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
13626 oper_class = nla_get_u8(info->attrs[NL80211_ATTR_OPER_CLASS]);
13627
13628 wdev_lock(wdev);
13629 err = rdev_tdls_channel_switch(rdev, dev, addr, oper_class, &chandef);
13630 wdev_unlock(wdev);
13631
13632 return err;
13633}
13634
13635static int nl80211_tdls_cancel_channel_switch(struct sk_buff *skb,
13636 struct genl_info *info)
13637{
13638 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13639 struct net_device *dev = info->user_ptr[1];
13640 struct wireless_dev *wdev = dev->ieee80211_ptr;
13641 const u8 *addr;
13642
13643 if (!rdev->ops->tdls_channel_switch ||
13644 !rdev->ops->tdls_cancel_channel_switch ||
13645 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
13646 return -EOPNOTSUPP;
13647
13648 switch (dev->ieee80211_ptr->iftype) {
13649 case NL80211_IFTYPE_STATION:
13650 case NL80211_IFTYPE_P2P_CLIENT:
13651 break;
13652 default:
13653 return -EOPNOTSUPP;
13654 }
13655
13656 if (!info->attrs[NL80211_ATTR_MAC])
13657 return -EINVAL;
13658
13659 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
13660
13661 wdev_lock(wdev);
13662 rdev_tdls_cancel_channel_switch(rdev, dev, addr);
13663 wdev_unlock(wdev);
13664
13665 return 0;
13666}
13667
ce0ce13a
MB		 13668static int nl80211_set_multicast_to_unicast(struct sk_buff *skb,
13669 struct genl_info *info)
13670{
13671 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13672 struct net_device *dev = info->user_ptr[1];
13673 struct wireless_dev *wdev = dev->ieee80211_ptr;
13674 const struct nlattr *nla;
13675 bool enabled;
13676
ce0ce13a
MB		 13677 if (!rdev->ops->set_multicast_to_unicast)
13678 return -EOPNOTSUPP;
13679
13680 if (wdev->iftype != NL80211_IFTYPE_AP &&
13681 wdev->iftype != NL80211_IFTYPE_P2P_GO)
13682 return -EOPNOTSUPP;
13683
13684 nla = info->attrs[NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED];
13685 enabled = nla_get_flag(nla);
13686
13687 return rdev_set_multicast_to_unicast(rdev, dev, enabled);
13688}
13689
3a00df57
AS		 13690static int nl80211_set_pmk(struct sk_buff *skb, struct genl_info *info)
13691{
13692 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13693 struct net_device *dev = info->user_ptr[1];
13694 struct wireless_dev *wdev = dev->ieee80211_ptr;
13695 struct cfg80211_pmk_conf pmk_conf = {};
13696 int ret;
13697
13698 if (wdev->iftype != NL80211_IFTYPE_STATION &&
13699 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
13700 return -EOPNOTSUPP;
13701
13702 if (!wiphy_ext_feature_isset(&rdev->wiphy,
13703 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
13704 return -EOPNOTSUPP;
13705
13706 if (!info->attrs[NL80211_ATTR_MAC] || !info->attrs[NL80211_ATTR_PMK])
13707 return -EINVAL;
13708
13709 wdev_lock(wdev);
13710 if (!wdev->current_bss) {
13711 ret = -ENOTCONN;
13712 goto out;
13713 }
13714
13715 pmk_conf.aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
13716 if (memcmp(pmk_conf.aa, wdev->current_bss->pub.bssid, ETH_ALEN)) {
13717 ret = -EINVAL;
13718 goto out;
13719 }
13720
13721 pmk_conf.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
13722 pmk_conf.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
13723 if (pmk_conf.pmk_len != WLAN_PMK_LEN &&
13724 pmk_conf.pmk_len != WLAN_PMK_LEN_SUITE_B_192) {
13725 ret = -EINVAL;
13726 goto out;
13727 }
13728
13729 if (info->attrs[NL80211_ATTR_PMKR0_NAME]) {
13730 int r0_name_len = nla_len(info->attrs[NL80211_ATTR_PMKR0_NAME]);
13731
13732 if (r0_name_len != WLAN_PMK_NAME_LEN) {
13733 ret = -EINVAL;
13734 goto out;
13735 }
13736
13737 pmk_conf.pmk_r0_name =
13738 nla_data(info->attrs[NL80211_ATTR_PMKR0_NAME]);
13739 }
13740
13741 ret = rdev_set_pmk(rdev, dev, &pmk_conf);
13742out:
13743 wdev_unlock(wdev);
13744 return ret;
13745}
13746
13747static int nl80211_del_pmk(struct sk_buff *skb, struct genl_info *info)
13748{
13749 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13750 struct net_device *dev = info->user_ptr[1];
13751 struct wireless_dev *wdev = dev->ieee80211_ptr;
13752 const u8 *aa;
13753 int ret;
13754
13755 if (wdev->iftype != NL80211_IFTYPE_STATION &&
13756 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
13757 return -EOPNOTSUPP;
13758
13759 if (!wiphy_ext_feature_isset(&rdev->wiphy,
13760 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
13761 return -EOPNOTSUPP;
13762
13763 if (!info->attrs[NL80211_ATTR_MAC])
13764 return -EINVAL;
13765
13766 wdev_lock(wdev);
13767 aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
13768 ret = rdev_del_pmk(rdev, dev, aa);
13769 wdev_unlock(wdev);
13770
13771 return ret;
13772}
13773
40cbfa90
SD		 13774static int nl80211_external_auth(struct sk_buff *skb, struct genl_info *info)
13775{
13776 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13777 struct net_device *dev = info->user_ptr[1];
13778 struct cfg80211_external_auth_params params;
13779
db8d93a7 13780 if (!rdev->ops->external_auth)
40cbfa90
SD		 13781 return -EOPNOTSUPP;
13782
fe494370
SD		 13783 if (!info->attrs[NL80211_ATTR_SSID] &&
13784 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
13785 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
40cbfa90
SD		 13786 return -EINVAL;
13787
13788 if (!info->attrs[NL80211_ATTR_BSSID])
13789 return -EINVAL;
13790
13791 if (!info->attrs[NL80211_ATTR_STATUS_CODE])
13792 return -EINVAL;
13793
13794 memset(&params, 0, sizeof(params));
13795
fe494370
SD		 13796 if (info->attrs[NL80211_ATTR_SSID]) {
13797 params.ssid.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
13798 if (params.ssid.ssid_len == 0 ||
13799 params.ssid.ssid_len > IEEE80211_MAX_SSID_LEN)
13800 return -EINVAL;
13801 memcpy(params.ssid.ssid,
13802 nla_data(info->attrs[NL80211_ATTR_SSID]),
13803 params.ssid.ssid_len);
13804 }
40cbfa90
SD		 13805
13806 memcpy(params.bssid, nla_data(info->attrs[NL80211_ATTR_BSSID]),
13807 ETH_ALEN);
13808
13809 params.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
13810
fe494370
SD		 13811 if (info->attrs[NL80211_ATTR_PMKID])
13812 params.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
13813
40cbfa90
SD		 13814 return rdev_external_auth(rdev, dev, &params);
13815}
13816
2576a9ac
DK		 13817static int nl80211_tx_control_port(struct sk_buff *skb, struct genl_info *info)
13818{
13819 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13820 struct net_device *dev = info->user_ptr[1];
13821 struct wireless_dev *wdev = dev->ieee80211_ptr;
13822 const u8 *buf;
13823 size_t len;
13824 u8 *dest;
13825 u16 proto;
13826 bool noencrypt;
13827 int err;
13828
13829 if (!wiphy_ext_feature_isset(&rdev->wiphy,
13830 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
13831 return -EOPNOTSUPP;
13832
13833 if (!rdev->ops->tx_control_port)
13834 return -EOPNOTSUPP;
13835
13836 if (!info->attrs[NL80211_ATTR_FRAME] ||
13837 !info->attrs[NL80211_ATTR_MAC] ||
13838 !info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
13839 GENL_SET_ERR_MSG(info, "Frame, MAC or ethertype missing");
13840 return -EINVAL;
13841 }
13842
13843 wdev_lock(wdev);
13844
13845 switch (wdev->iftype) {
13846 case NL80211_IFTYPE_AP:
13847 case NL80211_IFTYPE_P2P_GO:
13848 case NL80211_IFTYPE_MESH_POINT:
13849 break;
13850 case NL80211_IFTYPE_ADHOC:
13851 case NL80211_IFTYPE_STATION:
13852 case NL80211_IFTYPE_P2P_CLIENT:
13853 if (wdev->current_bss)
13854 break;
13855 err = -ENOTCONN;
13856 goto out;
13857 default:
13858 err = -EOPNOTSUPP;
13859 goto out;
13860 }
13861
13862 wdev_unlock(wdev);
13863
13864 buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
13865 len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
13866 dest = nla_data(info->attrs[NL80211_ATTR_MAC]);
13867 proto = nla_get_u16(info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
13868 noencrypt =
13869 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]);
13870
13871 return rdev_tx_control_port(rdev, dev, buf, len,
8d74a623 13872 dest, cpu_to_be16(proto), noencrypt);
2576a9ac
DK		 13873
13874 out:
13875 wdev_unlock(wdev);
13876 return err;
13877}
13878
81e54d08
PKC		 13879static int nl80211_get_ftm_responder_stats(struct sk_buff *skb,
13880 struct genl_info *info)
13881{
13882 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13883 struct net_device *dev = info->user_ptr[1];
13884 struct wireless_dev *wdev = dev->ieee80211_ptr;
13885 struct cfg80211_ftm_responder_stats ftm_stats = {};
13886 struct sk_buff *msg;
13887 void *hdr;
13888 struct nlattr *ftm_stats_attr;
13889 int err;
13890
13891 if (wdev->iftype != NL80211_IFTYPE_AP || !wdev->beacon_interval)
13892 return -EOPNOTSUPP;
13893
13894 err = rdev_get_ftm_responder_stats(rdev, dev, &ftm_stats);
13895 if (err)
13896 return err;
13897
13898 if (!ftm_stats.filled)
13899 return -ENODATA;
13900
13901 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
13902 if (!msg)
13903 return -ENOMEM;
13904
13905 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
13906 NL80211_CMD_GET_FTM_RESPONDER_STATS);
13907 if (!hdr)
1399c59f 13908 goto nla_put_failure;
81e54d08
PKC		 13909
13910 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
13911 goto nla_put_failure;
13912
ae0be8de
MK		 13913 ftm_stats_attr = nla_nest_start_noflag(msg,
13914 NL80211_ATTR_FTM_RESPONDER_STATS);
81e54d08
PKC		 13915 if (!ftm_stats_attr)
13916 goto nla_put_failure;
13917
13918#define SET_FTM(field, name, type) \
13919 do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
13920 nla_put_ ## type(msg, NL80211_FTM_STATS_ ## name, \
13921 ftm_stats.field)) \
13922 goto nla_put_failure; } while (0)
13923#define SET_FTM_U64(field, name) \
13924 do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
13925 nla_put_u64_64bit(msg, NL80211_FTM_STATS_ ## name, \
13926 ftm_stats.field, NL80211_FTM_STATS_PAD)) \
13927 goto nla_put_failure; } while (0)
13928
13929 SET_FTM(success_num, SUCCESS_NUM, u32);
13930 SET_FTM(partial_num, PARTIAL_NUM, u32);
13931 SET_FTM(failed_num, FAILED_NUM, u32);
13932 SET_FTM(asap_num, ASAP_NUM, u32);
13933 SET_FTM(non_asap_num, NON_ASAP_NUM, u32);
13934 SET_FTM_U64(total_duration_ms, TOTAL_DURATION_MSEC);
13935 SET_FTM(unknown_triggers_num, UNKNOWN_TRIGGERS_NUM, u32);
13936 SET_FTM(reschedule_requests_num, RESCHEDULE_REQUESTS_NUM, u32);
13937 SET_FTM(out_of_window_triggers_num, OUT_OF_WINDOW_TRIGGERS_NUM, u32);
13938#undef SET_FTM
13939
13940 nla_nest_end(msg, ftm_stats_attr);
13941
13942 genlmsg_end(msg, hdr);
13943 return genlmsg_reply(msg, info);
13944
13945nla_put_failure:
13946 nlmsg_free(msg);
13947 return -ENOBUFS;
13948}
13949
cb74e977
SD		 13950static int nl80211_update_owe_info(struct sk_buff *skb, struct genl_info *info)
13951{
13952 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13953 struct cfg80211_update_owe_info owe_info;
13954 struct net_device *dev = info->user_ptr[1];
13955
13956 if (!rdev->ops->update_owe_info)
13957 return -EOPNOTSUPP;
13958
13959 if (!info->attrs[NL80211_ATTR_STATUS_CODE] ||
13960 !info->attrs[NL80211_ATTR_MAC])
13961 return -EINVAL;
13962
13963 memset(&owe_info, 0, sizeof(owe_info));
13964 owe_info.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
13965 nla_memcpy(owe_info.peer, info->attrs[NL80211_ATTR_MAC], ETH_ALEN);
13966
13967 if (info->attrs[NL80211_ATTR_IE]) {
13968 owe_info.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
13969 owe_info.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
13970 }
13971
13972 return rdev_update_owe_info(rdev, dev, &owe_info);
13973}
13974
5ab92e7f
RM		 13975static int nl80211_probe_mesh_link(struct sk_buff *skb, struct genl_info *info)
13976{
13977 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13978 struct net_device *dev = info->user_ptr[1];
13979 struct wireless_dev *wdev = dev->ieee80211_ptr;
13980 struct station_info sinfo = {};
13981 const u8 *buf;
13982 size_t len;
13983 u8 *dest;
13984 int err;
13985
13986 if (!rdev->ops->probe_mesh_link || !rdev->ops->get_station)
13987 return -EOPNOTSUPP;
13988
13989 if (!info->attrs[NL80211_ATTR_MAC] ||
13990 !info->attrs[NL80211_ATTR_FRAME]) {
13991 GENL_SET_ERR_MSG(info, "Frame or MAC missing");
13992 return -EINVAL;
13993 }
13994
13995 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
13996 return -EOPNOTSUPP;
13997
13998 dest = nla_data(info->attrs[NL80211_ATTR_MAC]);
13999 buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
14000 len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
14001
14002 if (len < sizeof(struct ethhdr))
14003 return -EINVAL;
14004
14005 if (!ether_addr_equal(buf, dest) || is_multicast_ether_addr(buf) ||
14006 !ether_addr_equal(buf + ETH_ALEN, dev->dev_addr))
14007 return -EINVAL;
14008
14009 err = rdev_get_station(rdev, dev, dest, &sinfo);
14010 if (err)
14011 return err;
14012
2a279b34
FF		 14013 cfg80211_sinfo_release_content(&sinfo);
14014
5ab92e7f
RM		 14015 return rdev_probe_mesh_link(rdev, dev, dest, buf, len);
14016}
14017
77f576de
T		 14018static int parse_tid_conf(struct cfg80211_registered_device *rdev,
14019 struct nlattr *attrs[], struct net_device *dev,
3710a8a6 14020 struct cfg80211_tid_cfg *tid_conf,
77f576de
T		 14021 struct genl_info *info, const u8 *peer)
14022{
14023 struct netlink_ext_ack *extack = info->extack;
3710a8a6 14024 u64 mask;
77f576de
T		 14025 int err;
14026
14027 if (!attrs[NL80211_TID_CONFIG_ATTR_TIDS])
14028 return -EINVAL;
14029
14030 tid_conf->config_override =
14031 nla_get_flag(attrs[NL80211_TID_CONFIG_ATTR_OVERRIDE]);
3710a8a6 14032 tid_conf->tids = nla_get_u16(attrs[NL80211_TID_CONFIG_ATTR_TIDS]);
77f576de
T		 14033
14034 if (tid_conf->config_override) {
14035 if (rdev->ops->reset_tid_config) {
14036 err = rdev_reset_tid_config(rdev, dev, peer,
3710a8a6 14037 tid_conf->tids);
77f576de
T		 14038 /* If peer is there no other configuration will be
14039 * allowed
14040 */
14041 if (err || peer)
14042 return err;
14043 } else {
14044 return -EINVAL;
14045 }
14046 }
14047
14048 if (attrs[NL80211_TID_CONFIG_ATTR_NOACK]) {
3710a8a6 14049 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_NOACK);
77f576de
T		 14050 tid_conf->noack =
14051 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_NOACK]);
14052 }
14053
6a21d16c
T		 14054 if (attrs[NL80211_TID_CONFIG_ATTR_RETRY_SHORT]) {
14055 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_RETRY_SHORT);
14056 tid_conf->retry_short =
14057 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_RETRY_SHORT]);
14058
14059 if (tid_conf->retry_short > rdev->wiphy.max_data_retry_count)
14060 return -EINVAL;
14061 }
14062
14063 if (attrs[NL80211_TID_CONFIG_ATTR_RETRY_LONG]) {
14064 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_RETRY_LONG);
14065 tid_conf->retry_long =
14066 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_RETRY_LONG]);
14067
14068 if (tid_conf->retry_long > rdev->wiphy.max_data_retry_count)
14069 return -EINVAL;
14070 }
14071
ade274b2
T		 14072 if (attrs[NL80211_TID_CONFIG_ATTR_AMPDU_CTRL]) {
14073 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_AMPDU_CTRL);
14074 tid_conf->ampdu =
14075 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_AMPDU_CTRL]);
14076 }
14077
04f7d142
T		 14078 if (attrs[NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL]) {
14079 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL);
14080 tid_conf->rtscts =
14081 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL]);
14082 }
14083
3710a8a6
JB		 14084 if (peer)
14085 mask = rdev->wiphy.tid_config_support.peer;
14086 else
14087 mask = rdev->wiphy.tid_config_support.vif;
14088
14089 if (tid_conf->mask & ~mask) {
14090 NL_SET_ERR_MSG(extack, "unsupported TID configuration");
14091 return -ENOTSUPP;
14092 }
14093
77f576de
T		 14094 return 0;
14095}
14096
14097static int nl80211_set_tid_config(struct sk_buff *skb,
14098 struct genl_info *info)
14099{
14100 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14101 struct nlattr *attrs[NL80211_TID_CONFIG_ATTR_MAX + 1];
14102 struct net_device *dev = info->user_ptr[1];
3710a8a6 14103 struct cfg80211_tid_config *tid_config;
77f576de
T		 14104 struct nlattr *tid;
14105 int conf_idx = 0, rem_conf;
14106 int ret = -EINVAL;
14107 u32 num_conf = 0;
14108
14109 if (!info->attrs[NL80211_ATTR_TID_CONFIG])
14110 return -EINVAL;
14111
14112 if (!rdev->ops->set_tid_config)
14113 return -EOPNOTSUPP;
14114
14115 nla_for_each_nested(tid, info->attrs[NL80211_ATTR_TID_CONFIG],
14116 rem_conf)
14117 num_conf++;
14118
14119 tid_config = kzalloc(struct_size(tid_config, tid_conf, num_conf),
14120 GFP_KERNEL);
14121 if (!tid_config)
14122 return -ENOMEM;
14123
14124 tid_config->n_tid_conf = num_conf;
14125
14126 if (info->attrs[NL80211_ATTR_MAC])
14127 tid_config->peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
14128
14129 nla_for_each_nested(tid, info->attrs[NL80211_ATTR_TID_CONFIG],
14130 rem_conf) {
14131 ret = nla_parse_nested(attrs, NL80211_TID_CONFIG_ATTR_MAX,
14132 tid, NULL, NULL);
14133
14134 if (ret)
14135 goto bad_tid_conf;
14136
14137 ret = parse_tid_conf(rdev, attrs, dev,
14138 &tid_config->tid_conf[conf_idx],
14139 info, tid_config->peer);
14140 if (ret)
14141 goto bad_tid_conf;
14142
14143 conf_idx++;
14144 }
14145
14146 ret = rdev_set_tid_config(rdev, dev, tid_config);
14147
14148bad_tid_conf:
14149 kfree(tid_config);
14150 return ret;
14151}
14152
4c476991
JB		 14153#define NL80211_FLAG_NEED_WIPHY 0x01
14154#define NL80211_FLAG_NEED_NETDEV 0x02
14155#define NL80211_FLAG_NEED_RTNL 0x04
41265714
JB		 14156#define NL80211_FLAG_CHECK_NETDEV_UP 0x08
14157#define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
14158 NL80211_FLAG_CHECK_NETDEV_UP)
1bf614ef 14159#define NL80211_FLAG_NEED_WDEV 0x10
98104fde 14160/* If a netdev is associated, it must be UP, P2P must be started */
1bf614ef
JB		 14161#define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
14162 NL80211_FLAG_CHECK_NETDEV_UP)
5393b917 14163#define NL80211_FLAG_CLEAR_SKB 0x20
4c476991 14164
f84f771d 14165static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb,
4c476991
JB		 14166 struct genl_info *info)
14167{
14168 struct cfg80211_registered_device *rdev;
89a54e48 14169 struct wireless_dev *wdev;
4c476991 14170 struct net_device *dev;
4c476991
JB		 14171 bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL;
14172
14173 if (rtnl)
14174 rtnl_lock();
14175
14176 if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) {
4f7eff10 14177 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
4c476991
JB		 14178 if (IS_ERR(rdev)) {
14179 if (rtnl)
14180 rtnl_unlock();
14181 return PTR_ERR(rdev);
14182 }
14183 info->user_ptr[0] = rdev;
1bf614ef
JB		 14184 } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV ||
14185 ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
5fe231e8
JB		 14186 ASSERT_RTNL();
14187
89a54e48
JB		 14188 wdev = __cfg80211_wdev_from_attrs(genl_info_net(info),
14189 info->attrs);
14190 if (IS_ERR(wdev)) {
4c476991
JB		 14191 if (rtnl)
14192 rtnl_unlock();
89a54e48 14193 return PTR_ERR(wdev);
4c476991 14194 }
89a54e48 14195
89a54e48 14196 dev = wdev->netdev;
f26cbf40 14197 rdev = wiphy_to_rdev(wdev->wiphy);
89a54e48 14198
1bf614ef
JB		 14199 if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) {
14200 if (!dev) {
1bf614ef
JB		 14201 if (rtnl)
14202 rtnl_unlock();
14203 return -EINVAL;
14204 }
14205
14206 info->user_ptr[1] = dev;
14207 } else {
14208 info->user_ptr[1] = wdev;
41265714 14209 }
1bf614ef 14210
73c7da3d
AVS		 14211 if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP &&
14212 !wdev_running(wdev)) {
14213 if (rtnl)
14214 rtnl_unlock();
14215 return -ENETDOWN;
14216 }
1bf614ef 14217
73c7da3d 14218 if (dev)
1bf614ef 14219 dev_hold(dev);
89a54e48 14220
4c476991 14221 info->user_ptr[0] = rdev;
4c476991
JB		 14222 }
14223
14224 return 0;
14225}
14226
f84f771d 14227static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb,
4c476991
JB		 14228 struct genl_info *info)
14229{
1bf614ef
JB		 14230 if (info->user_ptr[1]) {
14231 if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
14232 struct wireless_dev *wdev = info->user_ptr[1];
14233
14234 if (wdev->netdev)
14235 dev_put(wdev->netdev);
14236 } else {
14237 dev_put(info->user_ptr[1]);
14238 }
14239 }
5393b917 14240
4c476991
JB		 14241 if (ops->internal_flags & NL80211_FLAG_NEED_RTNL)
14242 rtnl_unlock();
5393b917
JB		 14243
14244 /* If needed, clear the netlink message payload from the SKB
14245 * as it might contain key data that shouldn't stick around on
14246 * the heap after the SKB is freed. The netlink message header
14247 * is still needed for further processing, so leave it intact.
14248 */
14249 if (ops->internal_flags & NL80211_FLAG_CLEAR_SKB) {
14250 struct nlmsghdr *nlh = nlmsg_hdr(skb);
14251
14252 memset(nlmsg_data(nlh), 0, nlmsg_len(nlh));
14253 }
4c476991
JB		 14254}
14255
4534de83 14256static const struct genl_ops nl80211_ops[] = {
55682965
JB		 14257 {
14258 .cmd = NL80211_CMD_GET_WIPHY,
ef6243ac 14259 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
55682965
JB		 14260 .doit = nl80211_get_wiphy,
14261 .dumpit = nl80211_dump_wiphy,
86e8cf98 14262 .done = nl80211_dump_wiphy_done,
55682965 14263 /* can be retrieved by unprivileged users */
5fe231e8
JB		 14264 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14265 NL80211_FLAG_NEED_RTNL,
55682965
JB		 14266 },
14267 {
14268 .cmd = NL80211_CMD_SET_WIPHY,
ef6243ac 14269 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
55682965 14270 .doit = nl80211_set_wiphy,
5617c6cd 14271 .flags = GENL_UNS_ADMIN_PERM,
4c476991 14272 .internal_flags = NL80211_FLAG_NEED_RTNL,
55682965
JB		 14273 },
14274 {
14275 .cmd = NL80211_CMD_GET_INTERFACE,
ef6243ac 14276 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
55682965
JB		 14277 .doit = nl80211_get_interface,
14278 .dumpit = nl80211_dump_interface,
55682965 14279 /* can be retrieved by unprivileged users */
5fe231e8
JB		 14280 .internal_flags = NL80211_FLAG_NEED_WDEV |
14281 NL80211_FLAG_NEED_RTNL,
55682965
JB		 14282 },
14283 {
14284 .cmd = NL80211_CMD_SET_INTERFACE,
ef6243ac 14285 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
55682965 14286 .doit = nl80211_set_interface,
5617c6cd 14287 .flags = GENL_UNS_ADMIN_PERM,
4c476991
JB		 14288 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14289 NL80211_FLAG_NEED_RTNL,
55682965
JB		 14290 },
14291 {
14292 .cmd = NL80211_CMD_NEW_INTERFACE,
ef6243ac 14293 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
55682965 14294 .doit = nl80211_new_interface,
5617c6cd 14295 .flags = GENL_UNS_ADMIN_PERM,
4c476991
JB		 14296 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14297 NL80211_FLAG_NEED_RTNL,
55682965
JB		 14298 },
14299 {
14300 .cmd = NL80211_CMD_DEL_INTERFACE,
ef6243ac 14301 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
55682965 14302 .doit = nl80211_del_interface,
5617c6cd 14303 .flags = GENL_UNS_ADMIN_PERM,
84efbb84 14304 .internal_flags = NL80211_FLAG_NEED_WDEV |
4c476991 14305 NL80211_FLAG_NEED_RTNL,
41ade00f
JB		 14306 },
14307 {
14308 .cmd = NL80211_CMD_GET_KEY,
ef6243ac 14309 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
41ade00f 14310 .doit = nl80211_get_key,
5617c6cd 14311 .flags = GENL_UNS_ADMIN_PERM,
2b5f8b0b 14312 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 14313 NL80211_FLAG_NEED_RTNL,
41ade00f
JB		 14314 },
14315 {
14316 .cmd = NL80211_CMD_SET_KEY,
ef6243ac 14317 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
41ade00f 14318 .doit = nl80211_set_key,
5617c6cd 14319 .flags = GENL_UNS_ADMIN_PERM,
41265714 14320 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
5393b917
JB		 14321 NL80211_FLAG_NEED_RTNL |
14322 NL80211_FLAG_CLEAR_SKB,
41ade00f
JB		 14323 },
14324 {
14325 .cmd = NL80211_CMD_NEW_KEY,
ef6243ac 14326 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
41ade00f 14327 .doit = nl80211_new_key,
5617c6cd 14328 .flags = GENL_UNS_ADMIN_PERM,
41265714 14329 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
5393b917
JB		 14330 NL80211_FLAG_NEED_RTNL |
14331 NL80211_FLAG_CLEAR_SKB,
41ade00f
JB		 14332 },
14333 {
14334 .cmd = NL80211_CMD_DEL_KEY,
ef6243ac 14335 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
41ade00f 14336 .doit = nl80211_del_key,
5617c6cd 14337 .flags = GENL_UNS_ADMIN_PERM,
41265714 14338 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 14339 NL80211_FLAG_NEED_RTNL,
55682965 14340 },
ed1b6cc7
JB		 14341 {
14342 .cmd = NL80211_CMD_SET_BEACON,
ef6243ac 14343 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5617c6cd 14344 .flags = GENL_UNS_ADMIN_PERM,
8860020e 14345 .doit = nl80211_set_beacon,
2b5f8b0b 14346 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 14347 NL80211_FLAG_NEED_RTNL,
ed1b6cc7
JB		 14348 },
14349 {
8860020e 14350 .cmd = NL80211_CMD_START_AP,
ef6243ac 14351 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5617c6cd 14352 .flags = GENL_UNS_ADMIN_PERM,
8860020e 14353 .doit = nl80211_start_ap,
2b5f8b0b 14354 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 14355 NL80211_FLAG_NEED_RTNL,
ed1b6cc7
JB		 14356 },
14357 {
8860020e 14358 .cmd = NL80211_CMD_STOP_AP,
ef6243ac 14359 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5617c6cd 14360 .flags = GENL_UNS_ADMIN_PERM,
8860020e 14361 .doit = nl80211_stop_ap,
2b5f8b0b 14362 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 14363 NL80211_FLAG_NEED_RTNL,
ed1b6cc7 14364 },
5727ef1b
JB		 14365 {
14366 .cmd = NL80211_CMD_GET_STATION,
ef6243ac 14367 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5727ef1b 14368 .doit = nl80211_get_station,
2ec600d6 14369 .dumpit = nl80211_dump_station,
4c476991
JB		 14370 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14371 NL80211_FLAG_NEED_RTNL,
5727ef1b
JB		 14372 },
14373 {
14374 .cmd = NL80211_CMD_SET_STATION,
ef6243ac 14375 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5727ef1b 14376 .doit = nl80211_set_station,
5617c6cd 14377 .flags = GENL_UNS_ADMIN_PERM,
2b5f8b0b 14378 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 14379 NL80211_FLAG_NEED_RTNL,
5727ef1b
JB		 14380 },
14381 {
14382 .cmd = NL80211_CMD_NEW_STATION,
ef6243ac 14383 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5727ef1b 14384 .doit = nl80211_new_station,
5617c6cd 14385 .flags = GENL_UNS_ADMIN_PERM,
41265714 14386 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 14387 NL80211_FLAG_NEED_RTNL,
5727ef1b
JB		 14388 },
14389 {
14390 .cmd = NL80211_CMD_DEL_STATION,
ef6243ac 14391 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5727ef1b 14392 .doit = nl80211_del_station,
5617c6cd 14393 .flags = GENL_UNS_ADMIN_PERM,
2b5f8b0b 14394 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 14395 NL80211_FLAG_NEED_RTNL,
2ec600d6
LCC		 14396 },
14397 {
14398 .cmd = NL80211_CMD_GET_MPATH,
ef6243ac 14399 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2ec600d6
LCC		 14400 .doit = nl80211_get_mpath,
14401 .dumpit = nl80211_dump_mpath,
5617c6cd 14402 .flags = GENL_UNS_ADMIN_PERM,
41265714 14403 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 14404 NL80211_FLAG_NEED_RTNL,
2ec600d6 14405 },
66be7d2b
HR		 14406 {
14407 .cmd = NL80211_CMD_GET_MPP,
ef6243ac 14408 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
66be7d2b
HR		 14409 .doit = nl80211_get_mpp,
14410 .dumpit = nl80211_dump_mpp,
5617c6cd 14411 .flags = GENL_UNS_ADMIN_PERM,
66be7d2b
HR		 14412 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14413 NL80211_FLAG_NEED_RTNL,
14414 },
2ec600d6
LCC		 14415 {
14416 .cmd = NL80211_CMD_SET_MPATH,
ef6243ac 14417 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2ec600d6 14418 .doit = nl80211_set_mpath,
5617c6cd 14419 .flags = GENL_UNS_ADMIN_PERM,
41265714 14420 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 14421 NL80211_FLAG_NEED_RTNL,
2ec600d6
LCC		 14422 },
14423 {
14424 .cmd = NL80211_CMD_NEW_MPATH,
ef6243ac 14425 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2ec600d6 14426 .doit = nl80211_new_mpath,
5617c6cd 14427 .flags = GENL_UNS_ADMIN_PERM,
41265714 14428 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 14429 NL80211_FLAG_NEED_RTNL,
2ec600d6
LCC		 14430 },
14431 {
14432 .cmd = NL80211_CMD_DEL_MPATH,
ef6243ac 14433 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2ec600d6 14434 .doit = nl80211_del_mpath,
5617c6cd 14435 .flags = GENL_UNS_ADMIN_PERM,
2b5f8b0b 14436 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 14437 NL80211_FLAG_NEED_RTNL,
9f1ba906
JM		 14438 },
14439 {
14440 .cmd = NL80211_CMD_SET_BSS,
ef6243ac 14441 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
9f1ba906 14442 .doit = nl80211_set_bss,
5617c6cd 14443 .flags = GENL_UNS_ADMIN_PERM,
2b5f8b0b 14444 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 14445 NL80211_FLAG_NEED_RTNL,
b2e1b302 14446 },
f130347c
LR		 14447 {
14448 .cmd = NL80211_CMD_GET_REG,
ef6243ac 14449 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
ad30ca2c
AN		 14450 .doit = nl80211_get_reg_do,
14451 .dumpit = nl80211_get_reg_dump,
5fe231e8 14452 .internal_flags = NL80211_FLAG_NEED_RTNL,
f130347c
LR		 14453 /* can be retrieved by unprivileged users */
14454 },
b6863036 14455#ifdef CONFIG_CFG80211_CRDA_SUPPORT
b2e1b302
LR		 14456 {
14457 .cmd = NL80211_CMD_SET_REG,
ef6243ac 14458 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
b2e1b302 14459 .doit = nl80211_set_reg,
b2e1b302 14460 .flags = GENL_ADMIN_PERM,
5fe231e8 14461 .internal_flags = NL80211_FLAG_NEED_RTNL,
b2e1b302 14462 },
b6863036 14463#endif
b2e1b302
LR		 14464 {
14465 .cmd = NL80211_CMD_REQ_SET_REG,
ef6243ac 14466 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
b2e1b302 14467 .doit = nl80211_req_set_reg,
93da9cc1 14468 .flags = GENL_ADMIN_PERM,
14469 },
1ea4ff3e
JB		 14470 {
14471 .cmd = NL80211_CMD_RELOAD_REGDB,
ef6243ac 14472 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1ea4ff3e 14473 .doit = nl80211_reload_regdb,
1ea4ff3e
JB		 14474 .flags = GENL_ADMIN_PERM,
14475 },
93da9cc1 14476 {
24bdd9f4 14477 .cmd = NL80211_CMD_GET_MESH_CONFIG,
ef6243ac 14478 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
24bdd9f4 14479 .doit = nl80211_get_mesh_config,
93da9cc1 14480 /* can be retrieved by unprivileged users */
2b5f8b0b 14481 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 14482 NL80211_FLAG_NEED_RTNL,
93da9cc1 14483 },
14484 {
24bdd9f4 14485 .cmd = NL80211_CMD_SET_MESH_CONFIG,
ef6243ac 14486 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
24bdd9f4 14487 .doit = nl80211_update_mesh_config,
5617c6cd 14488 .flags = GENL_UNS_ADMIN_PERM,
29cbe68c 14489 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 14490 NL80211_FLAG_NEED_RTNL,
9aed3cc1 14491 },
2a519311
JB		 14492 {
14493 .cmd = NL80211_CMD_TRIGGER_SCAN,
ef6243ac 14494 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2a519311 14495 .doit = nl80211_trigger_scan,
5617c6cd 14496 .flags = GENL_UNS_ADMIN_PERM,
fd014284 14497 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
4c476991 14498 NL80211_FLAG_NEED_RTNL,
2a519311 14499 },
91d3ab46
VK		 14500 {
14501 .cmd = NL80211_CMD_ABORT_SCAN,
ef6243ac 14502 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
91d3ab46 14503 .doit = nl80211_abort_scan,
5617c6cd 14504 .flags = GENL_UNS_ADMIN_PERM,
91d3ab46
VK		 14505 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14506 NL80211_FLAG_NEED_RTNL,
14507 },
2a519311
JB		 14508 {
14509 .cmd = NL80211_CMD_GET_SCAN,
ef6243ac 14510 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2a519311
JB		 14511 .dumpit = nl80211_dump_scan,
14512 },
807f8a8c
LC		 14513 {
14514 .cmd = NL80211_CMD_START_SCHED_SCAN,
ef6243ac 14515 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
807f8a8c 14516 .doit = nl80211_start_sched_scan,
5617c6cd 14517 .flags = GENL_UNS_ADMIN_PERM,
807f8a8c
LC		 14518 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14519 NL80211_FLAG_NEED_RTNL,
14520 },
14521 {
14522 .cmd = NL80211_CMD_STOP_SCHED_SCAN,
ef6243ac 14523 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
807f8a8c 14524 .doit = nl80211_stop_sched_scan,
5617c6cd 14525 .flags = GENL_UNS_ADMIN_PERM,
807f8a8c
LC		 14526 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14527 NL80211_FLAG_NEED_RTNL,
14528 },
636a5d36
JM		 14529 {
14530 .cmd = NL80211_CMD_AUTHENTICATE,
ef6243ac 14531 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
636a5d36 14532 .doit = nl80211_authenticate,
5617c6cd 14533 .flags = GENL_UNS_ADMIN_PERM,
41265714 14534 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
5393b917
JB		 14535 NL80211_FLAG_NEED_RTNL |
14536 NL80211_FLAG_CLEAR_SKB,
636a5d36
JM		 14537 },
14538 {
14539 .cmd = NL80211_CMD_ASSOCIATE,
ef6243ac 14540 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
636a5d36 14541 .doit = nl80211_associate,
5617c6cd 14542 .flags = GENL_UNS_ADMIN_PERM,
41265714 14543 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
d6db02a8
SD		 14544 NL80211_FLAG_NEED_RTNL |
14545 NL80211_FLAG_CLEAR_SKB,
636a5d36
JM		 14546 },
14547 {
14548 .cmd = NL80211_CMD_DEAUTHENTICATE,
ef6243ac 14549 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
636a5d36 14550 .doit = nl80211_deauthenticate,
5617c6cd 14551 .flags = GENL_UNS_ADMIN_PERM,
41265714 14552 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 14553 NL80211_FLAG_NEED_RTNL,
636a5d36
JM		 14554 },
14555 {
14556 .cmd = NL80211_CMD_DISASSOCIATE,
ef6243ac 14557 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
636a5d36 14558 .doit = nl80211_disassociate,
5617c6cd 14559 .flags = GENL_UNS_ADMIN_PERM,
41265714 14560 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 14561 NL80211_FLAG_NEED_RTNL,
636a5d36 14562 },
04a773ad
JB		 14563 {
14564 .cmd = NL80211_CMD_JOIN_IBSS,
ef6243ac 14565 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
04a773ad 14566 .doit = nl80211_join_ibss,
5617c6cd 14567 .flags = GENL_UNS_ADMIN_PERM,
41265714 14568 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 14569 NL80211_FLAG_NEED_RTNL,
04a773ad
JB		 14570 },
14571 {
14572 .cmd = NL80211_CMD_LEAVE_IBSS,
ef6243ac 14573 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
04a773ad 14574 .doit = nl80211_leave_ibss,
5617c6cd 14575 .flags = GENL_UNS_ADMIN_PERM,
41265714 14576 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 14577 NL80211_FLAG_NEED_RTNL,
04a773ad 14578 },
aff89a9b
JB		 14579#ifdef CONFIG_NL80211_TESTMODE
14580 {
14581 .cmd = NL80211_CMD_TESTMODE,
ef6243ac 14582 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
aff89a9b 14583 .doit = nl80211_testmode_do,
71063f0e 14584 .dumpit = nl80211_testmode_dump,
5617c6cd 14585 .flags = GENL_UNS_ADMIN_PERM,
4c476991
JB		 14586 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14587 NL80211_FLAG_NEED_RTNL,
aff89a9b
JB		 14588 },
14589#endif
b23aa676
SO		 14590 {
14591 .cmd = NL80211_CMD_CONNECT,
ef6243ac 14592 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
b23aa676 14593 .doit = nl80211_connect,
5617c6cd 14594 .flags = GENL_UNS_ADMIN_PERM,
41265714 14595 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
d6db02a8
SD		 14596 NL80211_FLAG_NEED_RTNL |
14597 NL80211_FLAG_CLEAR_SKB,
b23aa676 14598 },
088e8df8 14599 {
14600 .cmd = NL80211_CMD_UPDATE_CONNECT_PARAMS,
ef6243ac 14601 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
088e8df8 14602 .doit = nl80211_update_connect_params,
088e8df8 14603 .flags = GENL_ADMIN_PERM,
14604 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
d6db02a8
SD		 14605 NL80211_FLAG_NEED_RTNL |
14606 NL80211_FLAG_CLEAR_SKB,
088e8df8 14607 },
b23aa676
SO		 14608 {
14609 .cmd = NL80211_CMD_DISCONNECT,
ef6243ac 14610 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
b23aa676 14611 .doit = nl80211_disconnect,
5617c6cd 14612 .flags = GENL_UNS_ADMIN_PERM,
41265714 14613 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 14614 NL80211_FLAG_NEED_RTNL,
b23aa676 14615 },
463d0183
JB		 14616 {
14617 .cmd = NL80211_CMD_SET_WIPHY_NETNS,
ef6243ac 14618 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
463d0183 14619 .doit = nl80211_wiphy_netns,
5617c6cd 14620 .flags = GENL_UNS_ADMIN_PERM,
4c476991
JB		 14621 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14622 NL80211_FLAG_NEED_RTNL,
463d0183 14623 },
61fa713c
HS		 14624 {
14625 .cmd = NL80211_CMD_GET_SURVEY,
ef6243ac 14626 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
61fa713c
HS		 14627 .dumpit = nl80211_dump_survey,
14628 },
67fbb16b
SO		 14629 {
14630 .cmd = NL80211_CMD_SET_PMKSA,
ef6243ac 14631 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
67fbb16b 14632 .doit = nl80211_setdel_pmksa,
5617c6cd 14633 .flags = GENL_UNS_ADMIN_PERM,
2b5f8b0b 14634 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
d6db02a8
SD		 14635 NL80211_FLAG_NEED_RTNL |
14636 NL80211_FLAG_CLEAR_SKB,
67fbb16b
SO		 14637 },
14638 {
14639 .cmd = NL80211_CMD_DEL_PMKSA,
ef6243ac 14640 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
67fbb16b 14641 .doit = nl80211_setdel_pmksa,
5617c6cd 14642 .flags = GENL_UNS_ADMIN_PERM,
2b5f8b0b 14643 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 14644 NL80211_FLAG_NEED_RTNL,
67fbb16b
SO		 14645 },
14646 {
14647 .cmd = NL80211_CMD_FLUSH_PMKSA,
ef6243ac 14648 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
67fbb16b 14649 .doit = nl80211_flush_pmksa,
5617c6cd 14650 .flags = GENL_UNS_ADMIN_PERM,
2b5f8b0b 14651 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 14652 NL80211_FLAG_NEED_RTNL,
67fbb16b 14653 },
9588bbd5
JM		 14654 {
14655 .cmd = NL80211_CMD_REMAIN_ON_CHANNEL,
ef6243ac 14656 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
9588bbd5 14657 .doit = nl80211_remain_on_channel,
5617c6cd 14658 .flags = GENL_UNS_ADMIN_PERM,
71bbc994 14659 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
4c476991 14660 NL80211_FLAG_NEED_RTNL,
9588bbd5
JM		 14661 },
14662 {
14663 .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
ef6243ac 14664 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
9588bbd5 14665 .doit = nl80211_cancel_remain_on_channel,
5617c6cd 14666 .flags = GENL_UNS_ADMIN_PERM,
71bbc994 14667 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
4c476991 14668 NL80211_FLAG_NEED_RTNL,
9588bbd5 14669 },
13ae75b1
JM		 14670 {
14671 .cmd = NL80211_CMD_SET_TX_BITRATE_MASK,
ef6243ac 14672 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13ae75b1 14673 .doit = nl80211_set_tx_bitrate_mask,
5617c6cd 14674 .flags = GENL_UNS_ADMIN_PERM,
4c476991
JB		 14675 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14676 NL80211_FLAG_NEED_RTNL,
13ae75b1 14677 },
026331c4 14678 {
2e161f78 14679 .cmd = NL80211_CMD_REGISTER_FRAME,
ef6243ac 14680 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2e161f78 14681 .doit = nl80211_register_mgmt,
5617c6cd 14682 .flags = GENL_UNS_ADMIN_PERM,
71bbc994 14683 .internal_flags = NL80211_FLAG_NEED_WDEV |
4c476991 14684 NL80211_FLAG_NEED_RTNL,
026331c4
JM		 14685 },
14686 {
2e161f78 14687 .cmd = NL80211_CMD_FRAME,
ef6243ac 14688 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2e161f78 14689 .doit = nl80211_tx_mgmt,
5617c6cd 14690 .flags = GENL_UNS_ADMIN_PERM,
71bbc994 14691 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
f7ca38df
JB		 14692 NL80211_FLAG_NEED_RTNL,
14693 },
14694 {
14695 .cmd = NL80211_CMD_FRAME_WAIT_CANCEL,
ef6243ac 14696 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
f7ca38df 14697 .doit = nl80211_tx_mgmt_cancel_wait,
5617c6cd 14698 .flags = GENL_UNS_ADMIN_PERM,
71bbc994 14699 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
4c476991 14700 NL80211_FLAG_NEED_RTNL,
026331c4 14701 },
ffb9eb3d
KV		 14702 {
14703 .cmd = NL80211_CMD_SET_POWER_SAVE,
ef6243ac 14704 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
ffb9eb3d 14705 .doit = nl80211_set_power_save,
5617c6cd 14706 .flags = GENL_UNS_ADMIN_PERM,
4c476991
JB		 14707 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14708 NL80211_FLAG_NEED_RTNL,
ffb9eb3d
KV		 14709 },
14710 {
14711 .cmd = NL80211_CMD_GET_POWER_SAVE,
ef6243ac 14712 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
ffb9eb3d 14713 .doit = nl80211_get_power_save,
ffb9eb3d 14714 /* can be retrieved by unprivileged users */
4c476991
JB		 14715 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14716 NL80211_FLAG_NEED_RTNL,
ffb9eb3d 14717 },
d6dc1a38
JO		 14718 {
14719 .cmd = NL80211_CMD_SET_CQM,
ef6243ac 14720 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
d6dc1a38 14721 .doit = nl80211_set_cqm,
5617c6cd 14722 .flags = GENL_UNS_ADMIN_PERM,
4c476991
JB		 14723 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14724 NL80211_FLAG_NEED_RTNL,
d6dc1a38 14725 },
f444de05
JB		 14726 {
14727 .cmd = NL80211_CMD_SET_CHANNEL,
ef6243ac 14728 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
f444de05 14729 .doit = nl80211_set_channel,
5617c6cd 14730 .flags = GENL_UNS_ADMIN_PERM,
4c476991
JB		 14731 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14732 NL80211_FLAG_NEED_RTNL,
f444de05 14733 },
e8347eba
BJ		 14734 {
14735 .cmd = NL80211_CMD_SET_WDS_PEER,
ef6243ac 14736 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
e8347eba 14737 .doit = nl80211_set_wds_peer,
5617c6cd 14738 .flags = GENL_UNS_ADMIN_PERM,
43b19952
JB		 14739 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14740 NL80211_FLAG_NEED_RTNL,
e8347eba 14741 },
29cbe68c
JB		 14742 {
14743 .cmd = NL80211_CMD_JOIN_MESH,
ef6243ac 14744 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
29cbe68c 14745 .doit = nl80211_join_mesh,
5617c6cd 14746 .flags = GENL_UNS_ADMIN_PERM,
29cbe68c
JB		 14747 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14748 NL80211_FLAG_NEED_RTNL,
14749 },
14750 {
14751 .cmd = NL80211_CMD_LEAVE_MESH,
ef6243ac 14752 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
29cbe68c 14753 .doit = nl80211_leave_mesh,
5617c6cd 14754 .flags = GENL_UNS_ADMIN_PERM,
29cbe68c
JB		 14755 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14756 NL80211_FLAG_NEED_RTNL,
14757 },
6e0bd6c3
RL		 14758 {
14759 .cmd = NL80211_CMD_JOIN_OCB,
ef6243ac 14760 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
6e0bd6c3 14761 .doit = nl80211_join_ocb,
5617c6cd 14762 .flags = GENL_UNS_ADMIN_PERM,
6e0bd6c3
RL		 14763 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14764 NL80211_FLAG_NEED_RTNL,
14765 },
14766 {
14767 .cmd = NL80211_CMD_LEAVE_OCB,
ef6243ac 14768 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
6e0bd6c3 14769 .doit = nl80211_leave_ocb,
5617c6cd 14770 .flags = GENL_UNS_ADMIN_PERM,
6e0bd6c3
RL		 14771 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14772 NL80211_FLAG_NEED_RTNL,
14773 },
dfb89c56 14774#ifdef CONFIG_PM
ff1b6e69
JB		 14775 {
14776 .cmd = NL80211_CMD_GET_WOWLAN,
ef6243ac 14777 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
ff1b6e69 14778 .doit = nl80211_get_wowlan,
ff1b6e69
JB		 14779 /* can be retrieved by unprivileged users */
14780 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14781 NL80211_FLAG_NEED_RTNL,
14782 },
14783 {
14784 .cmd = NL80211_CMD_SET_WOWLAN,
ef6243ac 14785 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
ff1b6e69 14786 .doit = nl80211_set_wowlan,
5617c6cd 14787 .flags = GENL_UNS_ADMIN_PERM,
ff1b6e69
JB		 14788 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14789 NL80211_FLAG_NEED_RTNL,
14790 },
dfb89c56 14791#endif
e5497d76
JB		 14792 {
14793 .cmd = NL80211_CMD_SET_REKEY_OFFLOAD,
ef6243ac 14794 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
e5497d76 14795 .doit = nl80211_set_rekey_data,
5617c6cd 14796 .flags = GENL_UNS_ADMIN_PERM,
e5497d76 14797 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
5393b917
JB		 14798 NL80211_FLAG_NEED_RTNL |
14799 NL80211_FLAG_CLEAR_SKB,
e5497d76 14800 },
109086ce
AN		 14801 {
14802 .cmd = NL80211_CMD_TDLS_MGMT,
ef6243ac 14803 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
109086ce 14804 .doit = nl80211_tdls_mgmt,
5617c6cd 14805 .flags = GENL_UNS_ADMIN_PERM,
109086ce
AN		 14806 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14807 NL80211_FLAG_NEED_RTNL,
14808 },
14809 {
14810 .cmd = NL80211_CMD_TDLS_OPER,
ef6243ac 14811 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
109086ce 14812 .doit = nl80211_tdls_oper,
5617c6cd 14813 .flags = GENL_UNS_ADMIN_PERM,
109086ce
AN		 14814 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14815 NL80211_FLAG_NEED_RTNL,
14816 },
28946da7
JB		 14817 {
14818 .cmd = NL80211_CMD_UNEXPECTED_FRAME,
ef6243ac 14819 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
28946da7 14820 .doit = nl80211_register_unexpected_frame,
5617c6cd 14821 .flags = GENL_UNS_ADMIN_PERM,
28946da7
JB		 14822 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14823 NL80211_FLAG_NEED_RTNL,
14824 },
7f6cf311
JB		 14825 {
14826 .cmd = NL80211_CMD_PROBE_CLIENT,
ef6243ac 14827 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
7f6cf311 14828 .doit = nl80211_probe_client,
5617c6cd 14829 .flags = GENL_UNS_ADMIN_PERM,
2b5f8b0b 14830 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
7f6cf311
JB		 14831 NL80211_FLAG_NEED_RTNL,
14832 },
5e760230
JB		 14833 {
14834 .cmd = NL80211_CMD_REGISTER_BEACONS,
ef6243ac 14835 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5e760230 14836 .doit = nl80211_register_beacons,
5617c6cd 14837 .flags = GENL_UNS_ADMIN_PERM,
5e760230
JB		 14838 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14839 NL80211_FLAG_NEED_RTNL,
14840 },
1d9d9213
SW		 14841 {
14842 .cmd = NL80211_CMD_SET_NOACK_MAP,
ef6243ac 14843 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1d9d9213 14844 .doit = nl80211_set_noack_map,
5617c6cd 14845 .flags = GENL_UNS_ADMIN_PERM,
1d9d9213
SW		 14846 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14847 NL80211_FLAG_NEED_RTNL,
14848 },
98104fde
JB		 14849 {
14850 .cmd = NL80211_CMD_START_P2P_DEVICE,
ef6243ac 14851 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
98104fde 14852 .doit = nl80211_start_p2p_device,
5617c6cd 14853 .flags = GENL_UNS_ADMIN_PERM,
98104fde
JB		 14854 .internal_flags = NL80211_FLAG_NEED_WDEV |
14855 NL80211_FLAG_NEED_RTNL,
14856 },
14857 {
14858 .cmd = NL80211_CMD_STOP_P2P_DEVICE,
ef6243ac 14859 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
98104fde 14860 .doit = nl80211_stop_p2p_device,
5617c6cd 14861 .flags = GENL_UNS_ADMIN_PERM,
98104fde
JB		 14862 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14863 NL80211_FLAG_NEED_RTNL,
cb3b7d87
AB		 14864 },
14865 {
14866 .cmd = NL80211_CMD_START_NAN,
ef6243ac 14867 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
cb3b7d87 14868 .doit = nl80211_start_nan,
cb3b7d87
AB		 14869 .flags = GENL_ADMIN_PERM,
14870 .internal_flags = NL80211_FLAG_NEED_WDEV |
14871 NL80211_FLAG_NEED_RTNL,
14872 },
14873 {
14874 .cmd = NL80211_CMD_STOP_NAN,
ef6243ac 14875 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
cb3b7d87 14876 .doit = nl80211_stop_nan,
cb3b7d87
AB		 14877 .flags = GENL_ADMIN_PERM,
14878 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14879 NL80211_FLAG_NEED_RTNL,
a442b761
AB		 14880 },
14881 {
14882 .cmd = NL80211_CMD_ADD_NAN_FUNCTION,
ef6243ac 14883 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
a442b761 14884 .doit = nl80211_nan_add_func,
a442b761
AB		 14885 .flags = GENL_ADMIN_PERM,
14886 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14887 NL80211_FLAG_NEED_RTNL,
14888 },
14889 {
14890 .cmd = NL80211_CMD_DEL_NAN_FUNCTION,
ef6243ac 14891 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
a442b761 14892 .doit = nl80211_nan_del_func,
a442b761
AB		 14893 .flags = GENL_ADMIN_PERM,
14894 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14895 NL80211_FLAG_NEED_RTNL,
a5a9dcf2
AB		 14896 },
14897 {
14898 .cmd = NL80211_CMD_CHANGE_NAN_CONFIG,
ef6243ac 14899 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
a5a9dcf2 14900 .doit = nl80211_nan_change_config,
a5a9dcf2
AB		 14901 .flags = GENL_ADMIN_PERM,
14902 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14903 NL80211_FLAG_NEED_RTNL,
98104fde 14904 },
f4e583c8
AQ		 14905 {
14906 .cmd = NL80211_CMD_SET_MCAST_RATE,
ef6243ac 14907 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
f4e583c8 14908 .doit = nl80211_set_mcast_rate,
5617c6cd 14909 .flags = GENL_UNS_ADMIN_PERM,
77765eaf
VT		 14910 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14911 NL80211_FLAG_NEED_RTNL,
14912 },
14913 {
14914 .cmd = NL80211_CMD_SET_MAC_ACL,
ef6243ac 14915 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
77765eaf 14916 .doit = nl80211_set_mac_acl,
5617c6cd 14917 .flags = GENL_UNS_ADMIN_PERM,
f4e583c8
AQ		 14918 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14919 NL80211_FLAG_NEED_RTNL,
14920 },
04f39047
SW		 14921 {
14922 .cmd = NL80211_CMD_RADAR_DETECT,
ef6243ac 14923 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
04f39047 14924 .doit = nl80211_start_radar_detection,
5617c6cd 14925 .flags = GENL_UNS_ADMIN_PERM,
04f39047
SW		 14926 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14927 NL80211_FLAG_NEED_RTNL,
14928 },
3713b4e3
JB		 14929 {
14930 .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES,
ef6243ac 14931 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
3713b4e3 14932 .doit = nl80211_get_protocol_features,
3713b4e3 14933 },
355199e0
JM		 14934 {
14935 .cmd = NL80211_CMD_UPDATE_FT_IES,
ef6243ac 14936 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
355199e0 14937 .doit = nl80211_update_ft_ies,
5617c6cd 14938 .flags = GENL_UNS_ADMIN_PERM,
355199e0
JM		 14939 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14940 NL80211_FLAG_NEED_RTNL,
14941 },
5de17984
AS		 14942 {
14943 .cmd = NL80211_CMD_CRIT_PROTOCOL_START,
ef6243ac 14944 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5de17984 14945 .doit = nl80211_crit_protocol_start,
5617c6cd 14946 .flags = GENL_UNS_ADMIN_PERM,
5de17984
AS		 14947 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14948 NL80211_FLAG_NEED_RTNL,
14949 },
14950 {
14951 .cmd = NL80211_CMD_CRIT_PROTOCOL_STOP,
ef6243ac 14952 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5de17984 14953 .doit = nl80211_crit_protocol_stop,
5617c6cd 14954 .flags = GENL_UNS_ADMIN_PERM,
5de17984
AS		 14955 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
14956 NL80211_FLAG_NEED_RTNL,
be29b99a
AK		 14957 },
14958 {
14959 .cmd = NL80211_CMD_GET_COALESCE,
ef6243ac 14960 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
be29b99a 14961 .doit = nl80211_get_coalesce,
be29b99a
AK		 14962 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14963 NL80211_FLAG_NEED_RTNL,
14964 },
14965 {
14966 .cmd = NL80211_CMD_SET_COALESCE,
ef6243ac 14967 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
be29b99a 14968 .doit = nl80211_set_coalesce,
5617c6cd 14969 .flags = GENL_UNS_ADMIN_PERM,
be29b99a
AK		 14970 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14971 NL80211_FLAG_NEED_RTNL,
16ef1fe2
SW		 14972 },
14973 {
14974 .cmd = NL80211_CMD_CHANNEL_SWITCH,
ef6243ac 14975 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16ef1fe2 14976 .doit = nl80211_channel_switch,
5617c6cd 14977 .flags = GENL_UNS_ADMIN_PERM,
16ef1fe2
SW		 14978 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14979 NL80211_FLAG_NEED_RTNL,
14980 },
ad7e718c
JB		 14981 {
14982 .cmd = NL80211_CMD_VENDOR,
ef6243ac 14983 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
ad7e718c 14984 .doit = nl80211_vendor_cmd,
7bdbe400 14985 .dumpit = nl80211_vendor_cmd_dump,
5617c6cd 14986 .flags = GENL_UNS_ADMIN_PERM,
ad7e718c 14987 .internal_flags = NL80211_FLAG_NEED_WIPHY |
d6db02a8
SD		 14988 NL80211_FLAG_NEED_RTNL |
14989 NL80211_FLAG_CLEAR_SKB,
ad7e718c 14990 },
fa9ffc74
KP		 14991 {
14992 .cmd = NL80211_CMD_SET_QOS_MAP,
ef6243ac 14993 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
fa9ffc74 14994 .doit = nl80211_set_qos_map,
5617c6cd 14995 .flags = GENL_UNS_ADMIN_PERM,
fa9ffc74
KP		 14996 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
14997 NL80211_FLAG_NEED_RTNL,
14998 },
960d01ac
JB		 14999 {
15000 .cmd = NL80211_CMD_ADD_TX_TS,
ef6243ac 15001 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
960d01ac 15002 .doit = nl80211_add_tx_ts,
5617c6cd 15003 .flags = GENL_UNS_ADMIN_PERM,
960d01ac
JB		 15004 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15005 NL80211_FLAG_NEED_RTNL,
15006 },
15007 {
15008 .cmd = NL80211_CMD_DEL_TX_TS,
ef6243ac 15009 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
960d01ac 15010 .doit = nl80211_del_tx_ts,
5617c6cd 15011 .flags = GENL_UNS_ADMIN_PERM,
960d01ac
JB		 15012 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15013 NL80211_FLAG_NEED_RTNL,
15014 },
1057d35e
AN		 15015 {
15016 .cmd = NL80211_CMD_TDLS_CHANNEL_SWITCH,
ef6243ac 15017 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1057d35e 15018 .doit = nl80211_tdls_channel_switch,
5617c6cd 15019 .flags = GENL_UNS_ADMIN_PERM,
1057d35e
AN		 15020 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15021 NL80211_FLAG_NEED_RTNL,
15022 },
15023 {
15024 .cmd = NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH,
ef6243ac 15025 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1057d35e 15026 .doit = nl80211_tdls_cancel_channel_switch,
5617c6cd 15027 .flags = GENL_UNS_ADMIN_PERM,
1057d35e
AN		 15028 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15029 NL80211_FLAG_NEED_RTNL,
15030 },
ce0ce13a
MB		 15031 {
15032 .cmd = NL80211_CMD_SET_MULTICAST_TO_UNICAST,
ef6243ac 15033 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
ce0ce13a 15034 .doit = nl80211_set_multicast_to_unicast,
ce0ce13a
MB		 15035 .flags = GENL_UNS_ADMIN_PERM,
15036 .internal_flags = NL80211_FLAG_NEED_NETDEV |
15037 NL80211_FLAG_NEED_RTNL,
15038 },
3a00df57
AS		 15039 {
15040 .cmd = NL80211_CMD_SET_PMK,
ef6243ac 15041 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
3a00df57 15042 .doit = nl80211_set_pmk,
3a00df57 15043 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
d6db02a8
SD		 15044 NL80211_FLAG_NEED_RTNL |
15045 NL80211_FLAG_CLEAR_SKB,
3a00df57
AS		 15046 },
15047 {
15048 .cmd = NL80211_CMD_DEL_PMK,
ef6243ac 15049 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
3a00df57 15050 .doit = nl80211_del_pmk,
3a00df57
AS		 15051 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15052 NL80211_FLAG_NEED_RTNL,
15053 },
40cbfa90
SD		 15054 {
15055 .cmd = NL80211_CMD_EXTERNAL_AUTH,
ef6243ac 15056 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
40cbfa90 15057 .doit = nl80211_external_auth,
40cbfa90
SD		 15058 .flags = GENL_ADMIN_PERM,
15059 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15060 NL80211_FLAG_NEED_RTNL,
15061 },
2576a9ac
DK		 15062 {
15063 .cmd = NL80211_CMD_CONTROL_PORT_FRAME,
ef6243ac 15064 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2576a9ac 15065 .doit = nl80211_tx_control_port,
2576a9ac
DK		 15066 .flags = GENL_UNS_ADMIN_PERM,
15067 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15068 NL80211_FLAG_NEED_RTNL,
15069 },
81e54d08
PKC		 15070 {
15071 .cmd = NL80211_CMD_GET_FTM_RESPONDER_STATS,
ef6243ac 15072 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
81e54d08 15073 .doit = nl80211_get_ftm_responder_stats,
81e54d08
PKC		 15074 .internal_flags = NL80211_FLAG_NEED_NETDEV |
15075 NL80211_FLAG_NEED_RTNL,
15076 },
9bb7e0f2
JB		 15077 {
15078 .cmd = NL80211_CMD_PEER_MEASUREMENT_START,
ef6243ac 15079 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
9bb7e0f2 15080 .doit = nl80211_pmsr_start,
9bb7e0f2
JB		 15081 .flags = GENL_UNS_ADMIN_PERM,
15082 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
15083 NL80211_FLAG_NEED_RTNL,
15084 },
30c63115
S		 15085 {
15086 .cmd = NL80211_CMD_NOTIFY_RADAR,
ef6243ac 15087 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
30c63115 15088 .doit = nl80211_notify_radar_detection,
30c63115
S		 15089 .flags = GENL_UNS_ADMIN_PERM,
15090 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15091 NL80211_FLAG_NEED_RTNL,
15092 },
cb74e977
SD		 15093 {
15094 .cmd = NL80211_CMD_UPDATE_OWE_INFO,
15095 .doit = nl80211_update_owe_info,
15096 .flags = GENL_ADMIN_PERM,
5ab92e7f
RM		 15097 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15098 NL80211_FLAG_NEED_RTNL,
15099 },
15100 {
15101 .cmd = NL80211_CMD_PROBE_MESH_LINK,
15102 .doit = nl80211_probe_mesh_link,
15103 .flags = GENL_UNS_ADMIN_PERM,
cb74e977
SD		 15104 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15105 NL80211_FLAG_NEED_RTNL,
15106 },
77f576de
T		 15107 {
15108 .cmd = NL80211_CMD_SET_TID_CONFIG,
15109 .doit = nl80211_set_tid_config,
15110 .flags = GENL_UNS_ADMIN_PERM,
15111 .internal_flags = NL80211_FLAG_NEED_NETDEV |
15112 NL80211_FLAG_NEED_RTNL,
15113 },
55682965 15114};
9588bbd5 15115
56989f6d 15116static struct genl_family nl80211_fam __ro_after_init = {
489111e5
JB		 15117 .name = NL80211_GENL_NAME, /* have users key off the name instead */
15118 .hdrsize = 0, /* no private header */
15119 .version = 1, /* no particular meaning now */
15120 .maxattr = NL80211_ATTR_MAX,
3b0f31f2 15121 .policy = nl80211_policy,
489111e5
JB		 15122 .netnsok = true,
15123 .pre_doit = nl80211_pre_doit,
15124 .post_doit = nl80211_post_doit,
15125 .module = THIS_MODULE,
15126 .ops = nl80211_ops,
15127 .n_ops = ARRAY_SIZE(nl80211_ops),
15128 .mcgrps = nl80211_mcgrps,
15129 .n_mcgrps = ARRAY_SIZE(nl80211_mcgrps),
50508d94 15130 .parallel_ops = true,
489111e5
JB		 15131};
15132
55682965
JB		 15133/* notification functions */
15134
3bb20556
JB		 15135void nl80211_notify_wiphy(struct cfg80211_registered_device *rdev,
15136 enum nl80211_commands cmd)
55682965
JB		 15137{
15138 struct sk_buff *msg;
86e8cf98 15139 struct nl80211_dump_wiphy_state state = {};
55682965 15140
3bb20556
JB		 15141 WARN_ON(cmd != NL80211_CMD_NEW_WIPHY &&
15142 cmd != NL80211_CMD_DEL_WIPHY);
15143
fd2120ca 15144 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
55682965
JB		 15145 if (!msg)
15146 return;
15147
3bb20556 15148 if (nl80211_send_wiphy(rdev, cmd, msg, 0, 0, 0, &state) < 0) {
55682965
JB		 15149 nlmsg_free(msg);
15150 return;
15151 }
15152
68eb5503 15153 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 15154 NL80211_MCGRP_CONFIG, GFP_KERNEL);
55682965
JB		 15155}
15156
896ff063
DK		 15157void nl80211_notify_iface(struct cfg80211_registered_device *rdev,
15158 struct wireless_dev *wdev,
15159 enum nl80211_commands cmd)
15160{
15161 struct sk_buff *msg;
15162
896ff063
DK		 15163 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
15164 if (!msg)
15165 return;
15166
3d1a5bbf 15167 if (nl80211_send_iface(msg, 0, 0, 0, rdev, wdev, cmd) < 0) {
896ff063
DK		 15168 nlmsg_free(msg);
15169 return;
15170 }
15171
15172 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15173 NL80211_MCGRP_CONFIG, GFP_KERNEL);
15174}
15175
362a415d
JB		 15176static int nl80211_add_scan_req(struct sk_buff *msg,
15177 struct cfg80211_registered_device *rdev)
15178{
15179 struct cfg80211_scan_request *req = rdev->scan_req;
15180 struct nlattr *nest;
15181 int i;
15182
15183 if (WARN_ON(!req))
15184 return 0;
15185
ae0be8de 15186 nest = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_SSIDS);
362a415d
JB		 15187 if (!nest)
15188 goto nla_put_failure;
9360ffd1
DM		 15189 for (i = 0; i < req->n_ssids; i++) {
15190 if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid))
15191 goto nla_put_failure;
15192 }
362a415d
JB		 15193 nla_nest_end(msg, nest);
15194
ae0be8de 15195 nest = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_FREQUENCIES);
362a415d
JB		 15196 if (!nest)
15197 goto nla_put_failure;
9360ffd1
DM		 15198 for (i = 0; i < req->n_channels; i++) {
15199 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
15200 goto nla_put_failure;
15201 }
362a415d
JB		 15202 nla_nest_end(msg, nest);
15203
9360ffd1
DM		 15204 if (req->ie &&
15205 nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie))
15206 goto nla_put_failure;
362a415d 15207
ae917c9f
JB		 15208 if (req->flags &&
15209 nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags))
15210 goto nla_put_failure;
ed473771 15211
1d76250b
AS		 15212 if (req->info.scan_start_tsf &&
15213 (nla_put_u64_64bit(msg, NL80211_ATTR_SCAN_START_TIME_TSF,
15214 req->info.scan_start_tsf, NL80211_BSS_PAD) ||
15215 nla_put(msg, NL80211_ATTR_SCAN_START_TIME_TSF_BSSID, ETH_ALEN,
15216 req->info.tsf_bssid)))
15217 goto nla_put_failure;
15218
362a415d
JB		 15219 return 0;
15220 nla_put_failure:
15221 return -ENOBUFS;
15222}
15223
505a2e88 15224static int nl80211_prep_scan_msg(struct sk_buff *msg,
a538e2d5 15225 struct cfg80211_registered_device *rdev,
fd014284 15226 struct wireless_dev *wdev,
15e47304 15227 u32 portid, u32 seq, int flags,
a538e2d5 15228 u32 cmd)
2a519311
JB		 15229{
15230 void *hdr;
15231
15e47304 15232 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
2a519311
JB		 15233 if (!hdr)
15234 return -1;
15235
9360ffd1 15236 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
fd014284
JB		 15237 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
15238 wdev->netdev->ifindex)) ||
2dad624e
ND		 15239 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
15240 NL80211_ATTR_PAD))
9360ffd1 15241 goto nla_put_failure;
2a519311 15242
362a415d
JB		 15243 /* ignore errors and send incomplete event anyway */
15244 nl80211_add_scan_req(msg, rdev);
2a519311 15245
053c095a
JB		 15246 genlmsg_end(msg, hdr);
15247 return 0;
2a519311
JB		 15248
15249 nla_put_failure:
15250 genlmsg_cancel(msg, hdr);
15251 return -EMSGSIZE;
15252}
15253
807f8a8c 15254static int
505a2e88 15255nl80211_prep_sched_scan_msg(struct sk_buff *msg,
96b08fd6 15256 struct cfg80211_sched_scan_request *req, u32 cmd)
807f8a8c
LC		 15257{
15258 void *hdr;
15259
96b08fd6 15260 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
807f8a8c
LC		 15261 if (!hdr)
15262 return -1;
15263
96b08fd6
AVS		 15264 if (nla_put_u32(msg, NL80211_ATTR_WIPHY,
15265 wiphy_to_rdev(req->wiphy)->wiphy_idx) ||
15266 nla_put_u32(msg, NL80211_ATTR_IFINDEX, req->dev->ifindex) ||
15267 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, req->reqid,
15268 NL80211_ATTR_PAD))
9360ffd1 15269 goto nla_put_failure;
807f8a8c 15270
053c095a
JB		 15271 genlmsg_end(msg, hdr);
15272 return 0;
807f8a8c
LC		 15273
15274 nla_put_failure:
15275 genlmsg_cancel(msg, hdr);
15276 return -EMSGSIZE;
15277}
15278
a538e2d5 15279void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
fd014284 15280 struct wireless_dev *wdev)
a538e2d5
JB		 15281{
15282 struct sk_buff *msg;
15283
58050fce 15284 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
a538e2d5
JB		 15285 if (!msg)
15286 return;
15287
505a2e88 15288 if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0,
a538e2d5
JB		 15289 NL80211_CMD_TRIGGER_SCAN) < 0) {
15290 nlmsg_free(msg);
15291 return;
15292 }
15293
68eb5503 15294 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 15295 NL80211_MCGRP_SCAN, GFP_KERNEL);
a538e2d5
JB		 15296}
15297
f9d15d16
JB		 15298struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev,
15299 struct wireless_dev *wdev, bool aborted)
2a519311
JB		 15300{
15301 struct sk_buff *msg;
15302
fd2120ca 15303 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
2a519311 15304 if (!msg)
f9d15d16 15305 return NULL;
2a519311 15306
505a2e88 15307 if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0,
f9d15d16
JB		 15308 aborted ? NL80211_CMD_SCAN_ABORTED :
15309 NL80211_CMD_NEW_SCAN_RESULTS) < 0) {
2a519311 15310 nlmsg_free(msg);
f9d15d16 15311 return NULL;
2a519311
JB		 15312 }
15313
f9d15d16 15314 return msg;
2a519311
JB		 15315}
15316
505a2e88
AVS		 15317/* send message created by nl80211_build_scan_msg() */
15318void nl80211_send_scan_msg(struct cfg80211_registered_device *rdev,
15319 struct sk_buff *msg)
807f8a8c 15320{
807f8a8c
LC		 15321 if (!msg)
15322 return;
15323
68eb5503 15324 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 15325 NL80211_MCGRP_SCAN, GFP_KERNEL);
807f8a8c
LC		 15326}
15327
96b08fd6 15328void nl80211_send_sched_scan(struct cfg80211_sched_scan_request *req, u32 cmd)
807f8a8c
LC		 15329{
15330 struct sk_buff *msg;
15331
58050fce 15332 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
807f8a8c
LC		 15333 if (!msg)
15334 return;
15335
96b08fd6 15336 if (nl80211_prep_sched_scan_msg(msg, req, cmd) < 0) {
807f8a8c
LC		 15337 nlmsg_free(msg);
15338 return;
15339 }
15340
96b08fd6 15341 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(req->wiphy), msg, 0,
2a94fe48 15342 NL80211_MCGRP_SCAN, GFP_KERNEL);
807f8a8c
LC		 15343}
15344
b0d7aa59
JD		 15345static bool nl80211_reg_change_event_fill(struct sk_buff *msg,
15346 struct regulatory_request *request)
73d54c9e 15347{
73d54c9e 15348 /* Userspace can always count this one always being set */
9360ffd1
DM		 15349 if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator))
15350 goto nla_put_failure;
15351
15352 if (request->alpha2[0] == '0' && request->alpha2[1] == '0') {
15353 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
15354 NL80211_REGDOM_TYPE_WORLD))
15355 goto nla_put_failure;
15356 } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') {
15357 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
15358 NL80211_REGDOM_TYPE_CUSTOM_WORLD))
15359 goto nla_put_failure;
15360 } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') ||
15361 request->intersect) {
15362 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
15363 NL80211_REGDOM_TYPE_INTERSECTION))
15364 goto nla_put_failure;
15365 } else {
15366 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
15367 NL80211_REGDOM_TYPE_COUNTRY) ||
15368 nla_put_string(msg, NL80211_ATTR_REG_ALPHA2,
15369 request->alpha2))
15370 goto nla_put_failure;
15371 }
15372
ad30ca2c
AN		 15373 if (request->wiphy_idx != WIPHY_IDX_INVALID) {
15374 struct wiphy *wiphy = wiphy_idx_to_wiphy(request->wiphy_idx);
15375
15376 if (wiphy &&
15377 nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx))
15378 goto nla_put_failure;
1bdd716c
AN		 15379
15380 if (wiphy &&
15381 wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
15382 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
15383 goto nla_put_failure;
ad30ca2c 15384 }
73d54c9e 15385
b0d7aa59
JD		 15386 return true;
15387
15388nla_put_failure:
15389 return false;
15390}
15391
15392/*
15393 * This can happen on global regulatory changes or device specific settings
15394 * based on custom regulatory domains.
15395 */
15396void nl80211_common_reg_change_event(enum nl80211_commands cmd_id,
15397 struct regulatory_request *request)
15398{
15399 struct sk_buff *msg;
15400 void *hdr;
15401
15402 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
15403 if (!msg)
15404 return;
15405
15406 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd_id);
24f6d765 15407 if (!hdr)
15408 goto nla_put_failure;
b0d7aa59 15409
24f6d765 15410 if (!nl80211_reg_change_event_fill(msg, request))
b0d7aa59
JD		 15411 goto nla_put_failure;
15412
3b7b72ee 15413 genlmsg_end(msg, hdr);
73d54c9e 15414
bc43b28c 15415 rcu_read_lock();
68eb5503 15416 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
2a94fe48 15417 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
bc43b28c 15418 rcu_read_unlock();
73d54c9e
LR		 15419
15420 return;
15421
15422nla_put_failure:
73d54c9e
LR		 15423 nlmsg_free(msg);
15424}
15425
6039f6d2
JM		 15426static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
15427 struct net_device *netdev,
15428 const u8 *buf, size_t len,
b0b6aa2c 15429 enum nl80211_commands cmd, gfp_t gfp,
4d9ec73d
JM		 15430 int uapsd_queues, const u8 *req_ies,
15431 size_t req_ies_len)
6039f6d2
JM		 15432{
15433 struct sk_buff *msg;
15434 void *hdr;
15435
4d9ec73d 15436 msg = nlmsg_new(100 + len + req_ies_len, gfp);
6039f6d2
JM		 15437 if (!msg)
15438 return;
15439
15440 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
15441 if (!hdr) {
15442 nlmsg_free(msg);
15443 return;
15444 }
15445
9360ffd1
DM		 15446 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15447 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
4d9ec73d
JM		 15448 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
15449 (req_ies &&
15450 nla_put(msg, NL80211_ATTR_REQ_IE, req_ies_len, req_ies)))
9360ffd1 15451 goto nla_put_failure;
6039f6d2 15452
b0b6aa2c
EP		 15453 if (uapsd_queues >= 0) {
15454 struct nlattr *nla_wmm =
ae0be8de 15455 nla_nest_start_noflag(msg, NL80211_ATTR_STA_WME);
b0b6aa2c
EP		 15456 if (!nla_wmm)
15457 goto nla_put_failure;
15458
15459 if (nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES,
15460 uapsd_queues))
15461 goto nla_put_failure;
15462
15463 nla_nest_end(msg, nla_wmm);
15464 }
15465
3b7b72ee 15466 genlmsg_end(msg, hdr);
6039f6d2 15467
68eb5503 15468 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 15469 NL80211_MCGRP_MLME, gfp);
6039f6d2
JM		 15470 return;
15471
15472 nla_put_failure:
6039f6d2
JM		 15473 nlmsg_free(msg);
15474}
15475
15476void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev,
e6d6e342
JB		 15477 struct net_device *netdev, const u8 *buf,
15478 size_t len, gfp_t gfp)
6039f6d2
JM		 15479{
15480 nl80211_send_mlme_event(rdev, netdev, buf, len,
4d9ec73d 15481 NL80211_CMD_AUTHENTICATE, gfp, -1, NULL, 0);
6039f6d2
JM		 15482}
15483
15484void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev,
15485 struct net_device *netdev, const u8 *buf,
4d9ec73d
JM		 15486 size_t len, gfp_t gfp, int uapsd_queues,
15487 const u8 *req_ies, size_t req_ies_len)
6039f6d2 15488{
e6d6e342 15489 nl80211_send_mlme_event(rdev, netdev, buf, len,
4d9ec73d
JM		 15490 NL80211_CMD_ASSOCIATE, gfp, uapsd_queues,
15491 req_ies, req_ies_len);
6039f6d2
JM		 15492}
15493
53b46b84 15494void nl80211_send_deauth(struct cfg80211_registered_device *rdev,
e6d6e342
JB		 15495 struct net_device *netdev, const u8 *buf,
15496 size_t len, gfp_t gfp)
6039f6d2
JM		 15497{
15498 nl80211_send_mlme_event(rdev, netdev, buf, len,
4d9ec73d 15499 NL80211_CMD_DEAUTHENTICATE, gfp, -1, NULL, 0);
6039f6d2
JM		 15500}
15501
53b46b84
JM		 15502void nl80211_send_disassoc(struct cfg80211_registered_device *rdev,
15503 struct net_device *netdev, const u8 *buf,
e6d6e342 15504 size_t len, gfp_t gfp)
6039f6d2
JM		 15505{
15506 nl80211_send_mlme_event(rdev, netdev, buf, len,
4d9ec73d 15507 NL80211_CMD_DISASSOCIATE, gfp, -1, NULL, 0);
6039f6d2
JM		 15508}
15509
6ff57cf8
JB		 15510void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf,
15511 size_t len)
cf4e594e 15512{
947add36
JB		 15513 struct wireless_dev *wdev = dev->ieee80211_ptr;
15514 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 15515 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
6ff57cf8
JB		 15516 const struct ieee80211_mgmt *mgmt = (void *)buf;
15517 u32 cmd;
947add36 15518
6ff57cf8
JB		 15519 if (WARN_ON(len < 2))
15520 return;
cf4e594e 15521
6ff57cf8
JB		 15522 if (ieee80211_is_deauth(mgmt->frame_control))
15523 cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE;
15524 else
15525 cmd = NL80211_CMD_UNPROT_DISASSOCIATE;
947add36 15526
6ff57cf8 15527 trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len);
4d9ec73d
JM		 15528 nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC, -1,
15529 NULL, 0);
cf4e594e 15530}
6ff57cf8 15531EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt);
cf4e594e 15532
1b06bb40
LR		 15533static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev,
15534 struct net_device *netdev, int cmd,
e6d6e342 15535 const u8 *addr, gfp_t gfp)
1965c853
JM		 15536{
15537 struct sk_buff *msg;
15538 void *hdr;
15539
e6d6e342 15540 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
1965c853
JM		 15541 if (!msg)
15542 return;
15543
15544 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
15545 if (!hdr) {
15546 nlmsg_free(msg);
15547 return;
15548 }
15549
9360ffd1
DM		 15550 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15551 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15552 nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
15553 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
15554 goto nla_put_failure;
1965c853 15555
3b7b72ee 15556 genlmsg_end(msg, hdr);
1965c853 15557
68eb5503 15558 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 15559 NL80211_MCGRP_MLME, gfp);
1965c853
JM		 15560 return;
15561
15562 nla_put_failure:
1965c853
JM		 15563 nlmsg_free(msg);
15564}
15565
15566void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev,
e6d6e342
JB		 15567 struct net_device *netdev, const u8 *addr,
15568 gfp_t gfp)
1965c853
JM		 15569{
15570 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE,
e6d6e342 15571 addr, gfp);
1965c853
JM		 15572}
15573
15574void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev,
e6d6e342
JB		 15575 struct net_device *netdev, const u8 *addr,
15576 gfp_t gfp)
1965c853 15577{
e6d6e342
JB		 15578 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE,
15579 addr, gfp);
1965c853
JM		 15580}
15581
b23aa676 15582void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
5349a0f7
VK		 15583 struct net_device *netdev,
15584 struct cfg80211_connect_resp_params *cr,
3093ebbe 15585 gfp_t gfp)
b23aa676
SO		 15586{
15587 struct sk_buff *msg;
15588 void *hdr;
15589
a3caf744 15590 msg = nlmsg_new(100 + cr->req_ie_len + cr->resp_ie_len +
76804d28
AVS		 15591 cr->fils.kek_len + cr->fils.pmk_len +
15592 (cr->fils.pmkid ? WLAN_PMKID_LEN : 0), gfp);
b23aa676
SO		 15593 if (!msg)
15594 return;
15595
15596 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT);
15597 if (!hdr) {
15598 nlmsg_free(msg);
15599 return;
15600 }
15601
9360ffd1
DM		 15602 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15603 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
5349a0f7
VK		 15604 (cr->bssid &&
15605 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, cr->bssid)) ||
bf1ecd21 15606 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE,
5349a0f7
VK		 15607 cr->status < 0 ? WLAN_STATUS_UNSPECIFIED_FAILURE :
15608 cr->status) ||
15609 (cr->status < 0 &&
3093ebbe 15610 (nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
5349a0f7
VK		 15611 nla_put_u32(msg, NL80211_ATTR_TIMEOUT_REASON,
15612 cr->timeout_reason))) ||
15613 (cr->req_ie &&
15614 nla_put(msg, NL80211_ATTR_REQ_IE, cr->req_ie_len, cr->req_ie)) ||
15615 (cr->resp_ie &&
15616 nla_put(msg, NL80211_ATTR_RESP_IE, cr->resp_ie_len,
a3caf744 15617 cr->resp_ie)) ||
76804d28 15618 (cr->fils.update_erp_next_seq_num &&
a3caf744 15619 nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
76804d28 15620 cr->fils.erp_next_seq_num)) ||
a3caf744 15621 (cr->status == WLAN_STATUS_SUCCESS &&
76804d28
AVS		 15622 ((cr->fils.kek &&
15623 nla_put(msg, NL80211_ATTR_FILS_KEK, cr->fils.kek_len,
15624 cr->fils.kek)) ||
15625 (cr->fils.pmk &&
15626 nla_put(msg, NL80211_ATTR_PMK, cr->fils.pmk_len, cr->fils.pmk)) ||
15627 (cr->fils.pmkid &&
15628 nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, cr->fils.pmkid)))))
9360ffd1 15629 goto nla_put_failure;
b23aa676 15630
3b7b72ee 15631 genlmsg_end(msg, hdr);
b23aa676 15632
68eb5503 15633 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 15634 NL80211_MCGRP_MLME, gfp);
b23aa676
SO		 15635 return;
15636
15637 nla_put_failure:
b23aa676 15638 nlmsg_free(msg);
b23aa676
SO		 15639}
15640
15641void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
29ce6ecb
AS		 15642 struct net_device *netdev,
15643 struct cfg80211_roam_info *info, gfp_t gfp)
b23aa676
SO		 15644{
15645 struct sk_buff *msg;
15646 void *hdr;
29ce6ecb 15647 const u8 *bssid = info->bss ? info->bss->bssid : info->bssid;
b23aa676 15648
e841b7b1
AVS		 15649 msg = nlmsg_new(100 + info->req_ie_len + info->resp_ie_len +
15650 info->fils.kek_len + info->fils.pmk_len +
15651 (info->fils.pmkid ? WLAN_PMKID_LEN : 0), gfp);
b23aa676
SO		 15652 if (!msg)
15653 return;
15654
15655 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM);
15656 if (!hdr) {
15657 nlmsg_free(msg);
15658 return;
15659 }
15660
9360ffd1
DM		 15661 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15662 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15663 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid) ||
29ce6ecb
AS		 15664 (info->req_ie &&
15665 nla_put(msg, NL80211_ATTR_REQ_IE, info->req_ie_len,
15666 info->req_ie)) ||
15667 (info->resp_ie &&
15668 nla_put(msg, NL80211_ATTR_RESP_IE, info->resp_ie_len,
e841b7b1
AVS		 15669 info->resp_ie)) ||
15670 (info->fils.update_erp_next_seq_num &&
15671 nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
15672 info->fils.erp_next_seq_num)) ||
15673 (info->fils.kek &&
15674 nla_put(msg, NL80211_ATTR_FILS_KEK, info->fils.kek_len,
15675 info->fils.kek)) ||
15676 (info->fils.pmk &&
15677 nla_put(msg, NL80211_ATTR_PMK, info->fils.pmk_len, info->fils.pmk)) ||
15678 (info->fils.pmkid &&
15679 nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, info->fils.pmkid)))
9360ffd1 15680 goto nla_put_failure;
b23aa676 15681
3b7b72ee 15682 genlmsg_end(msg, hdr);
b23aa676 15683
68eb5503 15684 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 15685 NL80211_MCGRP_MLME, gfp);
b23aa676
SO		 15686 return;
15687
503c1fb9 15688 nla_put_failure:
503c1fb9
AS		 15689 nlmsg_free(msg);
15690}
15691
15692void nl80211_send_port_authorized(struct cfg80211_registered_device *rdev,
15693 struct net_device *netdev, const u8 *bssid)
15694{
15695 struct sk_buff *msg;
15696 void *hdr;
15697
15698 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
15699 if (!msg)
15700 return;
15701
15702 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PORT_AUTHORIZED);
15703 if (!hdr) {
15704 nlmsg_free(msg);
15705 return;
15706 }
15707
f4d75993
CHH		 15708 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15709 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15710 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
503c1fb9
AS		 15711 goto nla_put_failure;
15712
15713 genlmsg_end(msg, hdr);
15714
15715 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15716 NL80211_MCGRP_MLME, GFP_KERNEL);
15717 return;
15718
b23aa676 15719 nla_put_failure:
b23aa676 15720 nlmsg_free(msg);
b23aa676
SO		 15721}
15722
15723void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
15724 struct net_device *netdev, u16 reason,
667503dd 15725 const u8 *ie, size_t ie_len, bool from_ap)
b23aa676
SO		 15726{
15727 struct sk_buff *msg;
15728 void *hdr;
15729
4ef8c1c9 15730 msg = nlmsg_new(100 + ie_len, GFP_KERNEL);
b23aa676
SO		 15731 if (!msg)
15732 return;
15733
15734 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT);
15735 if (!hdr) {
15736 nlmsg_free(msg);
15737 return;
15738 }
15739
9360ffd1
DM		 15740 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15741 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
86b6c465 15742 (reason &&
9360ffd1
DM		 15743 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) ||
15744 (from_ap &&
15745 nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) ||
15746 (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie)))
15747 goto nla_put_failure;
b23aa676 15748
3b7b72ee 15749 genlmsg_end(msg, hdr);
b23aa676 15750
68eb5503 15751 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 15752 NL80211_MCGRP_MLME, GFP_KERNEL);
b23aa676
SO		 15753 return;
15754
15755 nla_put_failure:
b23aa676 15756 nlmsg_free(msg);
b23aa676
SO		 15757}
15758
04a773ad
JB		 15759void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev,
15760 struct net_device *netdev, const u8 *bssid,
15761 gfp_t gfp)
15762{
15763 struct sk_buff *msg;
15764 void *hdr;
15765
fd2120ca 15766 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
04a773ad
JB		 15767 if (!msg)
15768 return;
15769
15770 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS);
15771 if (!hdr) {
15772 nlmsg_free(msg);
15773 return;
15774 }
15775
9360ffd1
DM		 15776 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15777 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15778 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
15779 goto nla_put_failure;
04a773ad 15780
3b7b72ee 15781 genlmsg_end(msg, hdr);
04a773ad 15782
68eb5503 15783 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 15784 NL80211_MCGRP_MLME, gfp);
04a773ad
JB		 15785 return;
15786
15787 nla_put_failure:
04a773ad
JB		 15788 nlmsg_free(msg);
15789}
15790
947add36 15791void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr,
ecbc12ad
BC		 15792 const u8 *ie, u8 ie_len,
15793 int sig_dbm, gfp_t gfp)
c93b5e71 15794{
947add36 15795 struct wireless_dev *wdev = dev->ieee80211_ptr;
f26cbf40 15796 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
c93b5e71
JC		 15797 struct sk_buff *msg;
15798 void *hdr;
15799
947add36
JB		 15800 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT))
15801 return;
15802
15803 trace_cfg80211_notify_new_peer_candidate(dev, addr);
15804
4ef8c1c9 15805 msg = nlmsg_new(100 + ie_len, gfp);
c93b5e71
JC		 15806 if (!msg)
15807 return;
15808
15809 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE);
15810 if (!hdr) {
15811 nlmsg_free(msg);
15812 return;
15813 }
15814
9360ffd1 15815 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
947add36
JB		 15816 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
15817 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
9360ffd1 15818 (ie_len && ie &&
ecbc12ad
BC		 15819 nla_put(msg, NL80211_ATTR_IE, ie_len, ie)) ||
15820 (sig_dbm &&
15821 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)))
9360ffd1 15822 goto nla_put_failure;
c93b5e71 15823
3b7b72ee 15824 genlmsg_end(msg, hdr);
c93b5e71 15825
68eb5503 15826 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 15827 NL80211_MCGRP_MLME, gfp);
c93b5e71
JC		 15828 return;
15829
15830 nla_put_failure:
c93b5e71
JC		 15831 nlmsg_free(msg);
15832}
947add36 15833EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate);
c93b5e71 15834
a3b8b056
JM		 15835void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
15836 struct net_device *netdev, const u8 *addr,
15837 enum nl80211_key_type key_type, int key_id,
e6d6e342 15838 const u8 *tsc, gfp_t gfp)
a3b8b056
JM		 15839{
15840 struct sk_buff *msg;
15841 void *hdr;
15842
e6d6e342 15843 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
a3b8b056
JM		 15844 if (!msg)
15845 return;
15846
15847 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE);
15848 if (!hdr) {
15849 nlmsg_free(msg);
15850 return;
15851 }
15852
9360ffd1
DM		 15853 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
15854 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
15855 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
15856 nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) ||
15857 (key_id != -1 &&
15858 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) ||
15859 (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc)))
15860 goto nla_put_failure;
a3b8b056 15861
3b7b72ee 15862 genlmsg_end(msg, hdr);
a3b8b056 15863
68eb5503 15864 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 15865 NL80211_MCGRP_MLME, gfp);
a3b8b056
JM		 15866 return;
15867
15868 nla_put_failure:
a3b8b056
JM		 15869 nlmsg_free(msg);
15870}
15871
6bad8766
LR		 15872void nl80211_send_beacon_hint_event(struct wiphy *wiphy,
15873 struct ieee80211_channel *channel_before,
15874 struct ieee80211_channel *channel_after)
15875{
15876 struct sk_buff *msg;
15877 void *hdr;
15878 struct nlattr *nl_freq;
15879
fd2120ca 15880 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
6bad8766
LR		 15881 if (!msg)
15882 return;
15883
15884 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT);
15885 if (!hdr) {
15886 nlmsg_free(msg);
15887 return;
15888 }
15889
15890 /*
15891 * Since we are applying the beacon hint to a wiphy we know its
15892 * wiphy_idx is valid
15893 */
9360ffd1
DM		 15894 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
15895 goto nla_put_failure;
6bad8766
LR		 15896
15897 /* Before */
ae0be8de 15898 nl_freq = nla_nest_start_noflag(msg, NL80211_ATTR_FREQ_BEFORE);
6bad8766
LR		 15899 if (!nl_freq)
15900 goto nla_put_failure;
50f32718
HD		 15901
15902 if (nl80211_msg_put_channel(msg, wiphy, channel_before, false))
6bad8766
LR		 15903 goto nla_put_failure;
15904 nla_nest_end(msg, nl_freq);
15905
15906 /* After */
ae0be8de 15907 nl_freq = nla_nest_start_noflag(msg, NL80211_ATTR_FREQ_AFTER);
6bad8766
LR		 15908 if (!nl_freq)
15909 goto nla_put_failure;
50f32718
HD		 15910
15911 if (nl80211_msg_put_channel(msg, wiphy, channel_after, false))
6bad8766
LR		 15912 goto nla_put_failure;
15913 nla_nest_end(msg, nl_freq);
15914
3b7b72ee 15915 genlmsg_end(msg, hdr);
6bad8766 15916
463d0183 15917 rcu_read_lock();
68eb5503 15918 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
2a94fe48 15919 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
463d0183 15920 rcu_read_unlock();
6bad8766
LR		 15921
15922 return;
15923
15924nla_put_failure:
6bad8766
LR		 15925 nlmsg_free(msg);
15926}
15927
9588bbd5
JM		 15928static void nl80211_send_remain_on_chan_event(
15929 int cmd, struct cfg80211_registered_device *rdev,
71bbc994 15930 struct wireless_dev *wdev, u64 cookie,
9588bbd5 15931 struct ieee80211_channel *chan,
9588bbd5
JM		 15932 unsigned int duration, gfp_t gfp)
15933{
15934 struct sk_buff *msg;
15935 void *hdr;
15936
15937 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
15938 if (!msg)
15939 return;
15940
15941 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
15942 if (!hdr) {
15943 nlmsg_free(msg);
15944 return;
15945 }
15946
9360ffd1 15947 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
71bbc994
JB		 15948 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
15949 wdev->netdev->ifindex)) ||
2dad624e
ND		 15950 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
15951 NL80211_ATTR_PAD) ||
9360ffd1 15952 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) ||
42d97a59
JB		 15953 nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
15954 NL80211_CHAN_NO_HT) ||
2dad624e
ND		 15955 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
15956 NL80211_ATTR_PAD))
9360ffd1 15957 goto nla_put_failure;
9588bbd5 15958
9360ffd1
DM		 15959 if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL &&
15960 nla_put_u32(msg, NL80211_ATTR_DURATION, duration))
15961 goto nla_put_failure;
9588bbd5 15962
3b7b72ee 15963 genlmsg_end(msg, hdr);
9588bbd5 15964
68eb5503 15965 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 15966 NL80211_MCGRP_MLME, gfp);
9588bbd5
JM		 15967 return;
15968
15969 nla_put_failure:
9588bbd5
JM		 15970 nlmsg_free(msg);
15971}
15972
947add36
JB		 15973void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie,
15974 struct ieee80211_channel *chan,
15975 unsigned int duration, gfp_t gfp)
9588bbd5 15976{
947add36 15977 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 15978 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
947add36
JB		 15979
15980 trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration);
9588bbd5 15981 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL,
71bbc994 15982 rdev, wdev, cookie, chan,
42d97a59 15983 duration, gfp);
9588bbd5 15984}
947add36 15985EXPORT_SYMBOL(cfg80211_ready_on_channel);
9588bbd5 15986
947add36
JB		 15987void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie,
15988 struct ieee80211_channel *chan,
15989 gfp_t gfp)
9588bbd5 15990{
947add36 15991 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 15992 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
947add36
JB		 15993
15994 trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan);
9588bbd5 15995 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
42d97a59 15996 rdev, wdev, cookie, chan, 0, gfp);
9588bbd5 15997}
947add36 15998EXPORT_SYMBOL(cfg80211_remain_on_channel_expired);
9588bbd5 15999
1c38c7f2
JP		 16000void cfg80211_tx_mgmt_expired(struct wireless_dev *wdev, u64 cookie,
16001 struct ieee80211_channel *chan,
16002 gfp_t gfp)
16003{
16004 struct wiphy *wiphy = wdev->wiphy;
16005 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16006
16007 trace_cfg80211_tx_mgmt_expired(wdev, cookie, chan);
16008 nl80211_send_remain_on_chan_event(NL80211_CMD_FRAME_WAIT_CANCEL,
16009 rdev, wdev, cookie, chan, 0, gfp);
16010}
16011EXPORT_SYMBOL(cfg80211_tx_mgmt_expired);
16012
947add36
JB		 16013void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr,
16014 struct station_info *sinfo, gfp_t gfp)
98b62183 16015{
947add36 16016 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
f26cbf40 16017 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
98b62183
JB		 16018 struct sk_buff *msg;
16019
947add36
JB		 16020 trace_cfg80211_new_sta(dev, mac_addr, sinfo);
16021
58050fce 16022 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
98b62183
JB		 16023 if (!msg)
16024 return;
16025
cf5ead82 16026 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION, 0, 0, 0,
66266b3a 16027 rdev, dev, mac_addr, sinfo) < 0) {
98b62183
JB		 16028 nlmsg_free(msg);
16029 return;
16030 }
16031
68eb5503 16032 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 16033 NL80211_MCGRP_MLME, gfp);
98b62183 16034}
947add36 16035EXPORT_SYMBOL(cfg80211_new_sta);
98b62183 16036
cf5ead82
JB		 16037void cfg80211_del_sta_sinfo(struct net_device *dev, const u8 *mac_addr,
16038 struct station_info *sinfo, gfp_t gfp)
ec15e68b 16039{
947add36 16040 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
f26cbf40 16041 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
ec15e68b 16042 struct sk_buff *msg;
73887fd9 16043 struct station_info empty_sinfo = {};
cf5ead82 16044
73887fd9
JB		 16045 if (!sinfo)
16046 sinfo = &empty_sinfo;
ec15e68b 16047
947add36
JB		 16048 trace_cfg80211_del_sta(dev, mac_addr);
16049
58050fce 16050 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
7ea3e110
JB		 16051 if (!msg) {
16052 cfg80211_sinfo_release_content(sinfo);
73887fd9 16053 return;
7ea3e110 16054 }
ec15e68b 16055
cf5ead82 16056 if (nl80211_send_station(msg, NL80211_CMD_DEL_STATION, 0, 0, 0,
57007121 16057 rdev, dev, mac_addr, sinfo) < 0) {
ec15e68b 16058 nlmsg_free(msg);
73887fd9 16059 return;
ec15e68b
JM		 16060 }
16061
68eb5503 16062 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 16063 NL80211_MCGRP_MLME, gfp);
ec15e68b 16064}
cf5ead82 16065EXPORT_SYMBOL(cfg80211_del_sta_sinfo);
ec15e68b 16066
947add36
JB		 16067void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr,
16068 enum nl80211_connect_failed_reason reason,
16069 gfp_t gfp)
ed44a951 16070{
947add36 16071 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
f26cbf40 16072 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
ed44a951
PP		 16073 struct sk_buff *msg;
16074 void *hdr;
16075
16076 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
16077 if (!msg)
16078 return;
16079
16080 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED);
16081 if (!hdr) {
16082 nlmsg_free(msg);
16083 return;
16084 }
16085
16086 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16087 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
16088 nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason))
16089 goto nla_put_failure;
16090
16091 genlmsg_end(msg, hdr);
16092
68eb5503 16093 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 16094 NL80211_MCGRP_MLME, gfp);
ed44a951
PP		 16095 return;
16096
16097 nla_put_failure:
ed44a951
PP		 16098 nlmsg_free(msg);
16099}
947add36 16100EXPORT_SYMBOL(cfg80211_conn_failed);
ed44a951 16101
b92ab5d8
JB		 16102static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd,
16103 const u8 *addr, gfp_t gfp)
28946da7
JB		 16104{
16105 struct wireless_dev *wdev = dev->ieee80211_ptr;
f26cbf40 16106 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
28946da7
JB		 16107 struct sk_buff *msg;
16108 void *hdr;
6aa7de05 16109 u32 nlportid = READ_ONCE(wdev->ap_unexpected_nlportid);
28946da7 16110
15e47304 16111 if (!nlportid)
28946da7
JB		 16112 return false;
16113
16114 msg = nlmsg_new(100, gfp);
16115 if (!msg)
16116 return true;
16117
b92ab5d8 16118 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
28946da7
JB		 16119 if (!hdr) {
16120 nlmsg_free(msg);
16121 return true;
16122 }
16123
9360ffd1
DM		 16124 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16125 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16126 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
16127 goto nla_put_failure;
28946da7 16128
9c90a9f6 16129 genlmsg_end(msg, hdr);
15e47304 16130 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
28946da7
JB		 16131 return true;
16132
16133 nla_put_failure:
28946da7
JB		 16134 nlmsg_free(msg);
16135 return true;
16136}
16137
947add36
JB		 16138bool cfg80211_rx_spurious_frame(struct net_device *dev,
16139 const u8 *addr, gfp_t gfp)
b92ab5d8 16140{
947add36
JB		 16141 struct wireless_dev *wdev = dev->ieee80211_ptr;
16142 bool ret;
16143
16144 trace_cfg80211_rx_spurious_frame(dev, addr);
16145
16146 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
16147 wdev->iftype != NL80211_IFTYPE_P2P_GO)) {
16148 trace_cfg80211_return_bool(false);
16149 return false;
16150 }
16151 ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME,
16152 addr, gfp);
16153 trace_cfg80211_return_bool(ret);
16154 return ret;
b92ab5d8 16155}
947add36 16156EXPORT_SYMBOL(cfg80211_rx_spurious_frame);
b92ab5d8 16157
947add36
JB		 16158bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev,
16159 const u8 *addr, gfp_t gfp)
b92ab5d8 16160{
947add36
JB		 16161 struct wireless_dev *wdev = dev->ieee80211_ptr;
16162 bool ret;
16163
16164 trace_cfg80211_rx_unexpected_4addr_frame(dev, addr);
16165
16166 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
16167 wdev->iftype != NL80211_IFTYPE_P2P_GO &&
16168 wdev->iftype != NL80211_IFTYPE_AP_VLAN)) {
16169 trace_cfg80211_return_bool(false);
16170 return false;
16171 }
16172 ret = __nl80211_unexpected_frame(dev,
16173 NL80211_CMD_UNEXPECTED_4ADDR_FRAME,
16174 addr, gfp);
16175 trace_cfg80211_return_bool(ret);
16176 return ret;
b92ab5d8 16177}
947add36 16178EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame);
b92ab5d8 16179
2e161f78 16180int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
15e47304 16181 struct wireless_dev *wdev, u32 nlportid,
804483e9 16182 int freq, int sig_dbm,
19504cf5 16183 const u8 *buf, size_t len, u32 flags, gfp_t gfp)
026331c4 16184{
71bbc994 16185 struct net_device *netdev = wdev->netdev;
026331c4
JM		 16186 struct sk_buff *msg;
16187 void *hdr;
026331c4 16188
4ef8c1c9 16189 msg = nlmsg_new(100 + len, gfp);
026331c4
JM		 16190 if (!msg)
16191 return -ENOMEM;
16192
2e161f78 16193 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
026331c4
JM		 16194 if (!hdr) {
16195 nlmsg_free(msg);
16196 return -ENOMEM;
16197 }
16198
9360ffd1 16199 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
71bbc994
JB		 16200 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
16201 netdev->ifindex)) ||
2dad624e
ND		 16202 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16203 NL80211_ATTR_PAD) ||
9360ffd1
DM		 16204 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) ||
16205 (sig_dbm &&
16206 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
19504cf5
VK		 16207 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
16208 (flags &&
16209 nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, flags)))
9360ffd1 16210 goto nla_put_failure;
026331c4 16211
3b7b72ee 16212 genlmsg_end(msg, hdr);
026331c4 16213
15e47304 16214 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
026331c4
JM		 16215
16216 nla_put_failure:
026331c4
JM		 16217 nlmsg_free(msg);
16218 return -ENOBUFS;
16219}
16220
947add36
JB		 16221void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie,
16222 const u8 *buf, size_t len, bool ack, gfp_t gfp)
026331c4 16223{
947add36 16224 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 16225 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
71bbc994 16226 struct net_device *netdev = wdev->netdev;
026331c4
JM		 16227 struct sk_buff *msg;
16228 void *hdr;
16229
947add36
JB		 16230 trace_cfg80211_mgmt_tx_status(wdev, cookie, ack);
16231
4ef8c1c9 16232 msg = nlmsg_new(100 + len, gfp);
026331c4
JM		 16233 if (!msg)
16234 return;
16235
2e161f78 16236 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS);
026331c4
JM		 16237 if (!hdr) {
16238 nlmsg_free(msg);
16239 return;
16240 }
16241
9360ffd1 16242 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
71bbc994
JB		 16243 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
16244 netdev->ifindex)) ||
2dad624e
ND		 16245 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16246 NL80211_ATTR_PAD) ||
9360ffd1 16247 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
2dad624e
ND		 16248 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
16249 NL80211_ATTR_PAD) ||
9360ffd1
DM		 16250 (ack && nla_put_flag(msg, NL80211_ATTR_ACK)))
16251 goto nla_put_failure;
026331c4 16252
3b7b72ee 16253 genlmsg_end(msg, hdr);
026331c4 16254
68eb5503 16255 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 16256 NL80211_MCGRP_MLME, gfp);
026331c4
JM		 16257 return;
16258
16259 nla_put_failure:
026331c4
JM		 16260 nlmsg_free(msg);
16261}
947add36 16262EXPORT_SYMBOL(cfg80211_mgmt_tx_status);
026331c4 16263
6a671a50 16264static int __nl80211_rx_control_port(struct net_device *dev,
a948f713 16265 struct sk_buff *skb,
6a671a50
DK		 16266 bool unencrypted, gfp_t gfp)
16267{
16268 struct wireless_dev *wdev = dev->ieee80211_ptr;
16269 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
a948f713 16270 struct ethhdr *ehdr = eth_hdr(skb);
8d74a623 16271 const u8 *addr = ehdr->h_source;
a948f713 16272 u16 proto = be16_to_cpu(skb->protocol);
6a671a50
DK		 16273 struct sk_buff *msg;
16274 void *hdr;
a948f713
DK		 16275 struct nlattr *frame;
16276
6a671a50
DK		 16277 u32 nlportid = READ_ONCE(wdev->conn_owner_nlportid);
16278
16279 if (!nlportid)
16280 return -ENOENT;
16281
a948f713 16282 msg = nlmsg_new(100 + skb->len, gfp);
6a671a50
DK		 16283 if (!msg)
16284 return -ENOMEM;
16285
16286 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONTROL_PORT_FRAME);
16287 if (!hdr) {
16288 nlmsg_free(msg);
16289 return -ENOBUFS;
16290 }
16291
16292 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16293 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16294 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16295 NL80211_ATTR_PAD) ||
8d74a623 16296 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
6a671a50
DK		 16297 nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, proto) ||
16298 (unencrypted && nla_put_flag(msg,
16299 NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)))
16300 goto nla_put_failure;
16301
a948f713
DK		 16302 frame = nla_reserve(msg, NL80211_ATTR_FRAME, skb->len);
16303 if (!frame)
16304 goto nla_put_failure;
16305
16306 skb_copy_bits(skb, 0, nla_data(frame), skb->len);
6a671a50
DK		 16307 genlmsg_end(msg, hdr);
16308
16309 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
16310
16311 nla_put_failure:
16312 nlmsg_free(msg);
16313 return -ENOBUFS;
16314}
16315
16316bool cfg80211_rx_control_port(struct net_device *dev,
a948f713 16317 struct sk_buff *skb, bool unencrypted)
6a671a50
DK		 16318{
16319 int ret;
16320
a948f713
DK		 16321 trace_cfg80211_rx_control_port(dev, skb, unencrypted);
16322 ret = __nl80211_rx_control_port(dev, skb, unencrypted, GFP_ATOMIC);
6a671a50
DK		 16323 trace_cfg80211_return_bool(ret == 0);
16324 return ret == 0;
16325}
16326EXPORT_SYMBOL(cfg80211_rx_control_port);
16327
5b97f49d
JB		 16328static struct sk_buff *cfg80211_prepare_cqm(struct net_device *dev,
16329 const char *mac, gfp_t gfp)
d6dc1a38 16330{
947add36 16331 struct wireless_dev *wdev = dev->ieee80211_ptr;
5b97f49d
JB		 16332 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16333 struct sk_buff *msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16334 void **cb;
947add36 16335
d6dc1a38 16336 if (!msg)
5b97f49d 16337 return NULL;
d6dc1a38 16338
5b97f49d
JB		 16339 cb = (void **)msg->cb;
16340
16341 cb[0] = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
16342 if (!cb[0]) {
d6dc1a38 16343 nlmsg_free(msg);
5b97f49d 16344 return NULL;
d6dc1a38
JO		 16345 }
16346
9360ffd1 16347 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
947add36 16348 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
9360ffd1 16349 goto nla_put_failure;
d6dc1a38 16350
5b97f49d 16351 if (mac && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
d6dc1a38
JO		 16352 goto nla_put_failure;
16353
ae0be8de 16354 cb[1] = nla_nest_start_noflag(msg, NL80211_ATTR_CQM);
5b97f49d 16355 if (!cb[1])
9360ffd1 16356 goto nla_put_failure;
d6dc1a38 16357
5b97f49d 16358 cb[2] = rdev;
d6dc1a38 16359
5b97f49d
JB		 16360 return msg;
16361 nla_put_failure:
16362 nlmsg_free(msg);
16363 return NULL;
16364}
16365
16366static void cfg80211_send_cqm(struct sk_buff *msg, gfp_t gfp)
16367{
16368 void **cb = (void **)msg->cb;
16369 struct cfg80211_registered_device *rdev = cb[2];
16370
16371 nla_nest_end(msg, cb[1]);
16372 genlmsg_end(msg, cb[0]);
16373
16374 memset(msg->cb, 0, sizeof(msg->cb));
d6dc1a38 16375
68eb5503 16376 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 16377 NL80211_MCGRP_MLME, gfp);
5b97f49d
JB		 16378}
16379
16380void cfg80211_cqm_rssi_notify(struct net_device *dev,
16381 enum nl80211_cqm_rssi_threshold_event rssi_event,
bee427b8 16382 s32 rssi_level, gfp_t gfp)
5b97f49d
JB		 16383{
16384 struct sk_buff *msg;
4a4b8169
AZ		 16385 struct wireless_dev *wdev = dev->ieee80211_ptr;
16386 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
5b97f49d 16387
bee427b8 16388 trace_cfg80211_cqm_rssi_notify(dev, rssi_event, rssi_level);
5b97f49d 16389
98f03342
JB		 16390 if (WARN_ON(rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW &&
16391 rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH))
16392 return;
16393
4a4b8169
AZ		 16394 if (wdev->cqm_config) {
16395 wdev->cqm_config->last_rssi_event_value = rssi_level;
16396
16397 cfg80211_cqm_rssi_update(rdev, dev);
16398
16399 if (rssi_level == 0)
16400 rssi_level = wdev->cqm_config->last_rssi_event_value;
16401 }
16402
5b97f49d
JB		 16403 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
16404 if (!msg)
16405 return;
16406
16407 if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT,
16408 rssi_event))
16409 goto nla_put_failure;
16410
bee427b8
AZ		 16411 if (rssi_level && nla_put_s32(msg, NL80211_ATTR_CQM_RSSI_LEVEL,
16412 rssi_level))
16413 goto nla_put_failure;
16414
5b97f49d
JB		 16415 cfg80211_send_cqm(msg, gfp);
16416
d6dc1a38
JO		 16417 return;
16418
16419 nla_put_failure:
d6dc1a38
JO		 16420 nlmsg_free(msg);
16421}
947add36 16422EXPORT_SYMBOL(cfg80211_cqm_rssi_notify);
d6dc1a38 16423
5b97f49d
JB		 16424void cfg80211_cqm_txe_notify(struct net_device *dev,
16425 const u8 *peer, u32 num_packets,
16426 u32 rate, u32 intvl, gfp_t gfp)
16427{
16428 struct sk_buff *msg;
16429
16430 msg = cfg80211_prepare_cqm(dev, peer, gfp);
16431 if (!msg)
16432 return;
16433
16434 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets))
16435 goto nla_put_failure;
16436
16437 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate))
16438 goto nla_put_failure;
16439
16440 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl))
16441 goto nla_put_failure;
16442
16443 cfg80211_send_cqm(msg, gfp);
16444 return;
16445
16446 nla_put_failure:
16447 nlmsg_free(msg);
16448}
16449EXPORT_SYMBOL(cfg80211_cqm_txe_notify);
16450
16451void cfg80211_cqm_pktloss_notify(struct net_device *dev,
16452 const u8 *peer, u32 num_packets, gfp_t gfp)
16453{
16454 struct sk_buff *msg;
16455
16456 trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets);
16457
16458 msg = cfg80211_prepare_cqm(dev, peer, gfp);
16459 if (!msg)
16460 return;
16461
16462 if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets))
16463 goto nla_put_failure;
16464
16465 cfg80211_send_cqm(msg, gfp);
16466 return;
16467
16468 nla_put_failure:
16469 nlmsg_free(msg);
16470}
16471EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify);
16472
98f03342
JB		 16473void cfg80211_cqm_beacon_loss_notify(struct net_device *dev, gfp_t gfp)
16474{
16475 struct sk_buff *msg;
16476
16477 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
16478 if (!msg)
16479 return;
16480
16481 if (nla_put_flag(msg, NL80211_ATTR_CQM_BEACON_LOSS_EVENT))
16482 goto nla_put_failure;
16483
16484 cfg80211_send_cqm(msg, gfp);
16485 return;
16486
16487 nla_put_failure:
16488 nlmsg_free(msg);
16489}
16490EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify);
16491
947add36
JB		 16492static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev,
16493 struct net_device *netdev, const u8 *bssid,
16494 const u8 *replay_ctr, gfp_t gfp)
e5497d76
JB		 16495{
16496 struct sk_buff *msg;
16497 struct nlattr *rekey_attr;
16498 void *hdr;
16499
58050fce 16500 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
e5497d76
JB		 16501 if (!msg)
16502 return;
16503
16504 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD);
16505 if (!hdr) {
16506 nlmsg_free(msg);
16507 return;
16508 }
16509
9360ffd1
DM		 16510 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16511 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16512 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
16513 goto nla_put_failure;
e5497d76 16514
ae0be8de 16515 rekey_attr = nla_nest_start_noflag(msg, NL80211_ATTR_REKEY_DATA);
e5497d76
JB		 16516 if (!rekey_attr)
16517 goto nla_put_failure;
16518
9360ffd1
DM		 16519 if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR,
16520 NL80211_REPLAY_CTR_LEN, replay_ctr))
16521 goto nla_put_failure;
e5497d76
JB		 16522
16523 nla_nest_end(msg, rekey_attr);
16524
3b7b72ee 16525 genlmsg_end(msg, hdr);
e5497d76 16526
68eb5503 16527 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 16528 NL80211_MCGRP_MLME, gfp);
e5497d76
JB		 16529 return;
16530
16531 nla_put_failure:
e5497d76
JB		 16532 nlmsg_free(msg);
16533}
16534
947add36
JB		 16535void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid,
16536 const u8 *replay_ctr, gfp_t gfp)
16537{
16538 struct wireless_dev *wdev = dev->ieee80211_ptr;
16539 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 16540 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
947add36
JB		 16541
16542 trace_cfg80211_gtk_rekey_notify(dev, bssid);
16543 nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp);
16544}
16545EXPORT_SYMBOL(cfg80211_gtk_rekey_notify);
16546
16547static void
16548nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev,
16549 struct net_device *netdev, int index,
16550 const u8 *bssid, bool preauth, gfp_t gfp)
c9df56b4
JM		 16551{
16552 struct sk_buff *msg;
16553 struct nlattr *attr;
16554 void *hdr;
16555
58050fce 16556 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
c9df56b4
JM		 16557 if (!msg)
16558 return;
16559
16560 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE);
16561 if (!hdr) {
16562 nlmsg_free(msg);
16563 return;
16564 }
16565
9360ffd1
DM		 16566 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16567 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
16568 goto nla_put_failure;
c9df56b4 16569
ae0be8de 16570 attr = nla_nest_start_noflag(msg, NL80211_ATTR_PMKSA_CANDIDATE);
c9df56b4
JM		 16571 if (!attr)
16572 goto nla_put_failure;
16573
9360ffd1
DM		 16574 if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) ||
16575 nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) ||
16576 (preauth &&
16577 nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH)))
16578 goto nla_put_failure;
c9df56b4
JM		 16579
16580 nla_nest_end(msg, attr);
16581
3b7b72ee 16582 genlmsg_end(msg, hdr);
c9df56b4 16583
68eb5503 16584 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 16585 NL80211_MCGRP_MLME, gfp);
c9df56b4
JM		 16586 return;
16587
16588 nla_put_failure:
c9df56b4
JM		 16589 nlmsg_free(msg);
16590}
16591
947add36
JB		 16592void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index,
16593 const u8 *bssid, bool preauth, gfp_t gfp)
16594{
16595 struct wireless_dev *wdev = dev->ieee80211_ptr;
16596 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 16597 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
947add36
JB		 16598
16599 trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth);
16600 nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp);
16601}
16602EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify);
16603
16604static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev,
16605 struct net_device *netdev,
16606 struct cfg80211_chan_def *chandef,
f8d7552e
LC		 16607 gfp_t gfp,
16608 enum nl80211_commands notif,
16609 u8 count)
5314526b
TP		 16610{
16611 struct sk_buff *msg;
16612 void *hdr;
16613
58050fce 16614 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
5314526b
TP		 16615 if (!msg)
16616 return;
16617
f8d7552e 16618 hdr = nl80211hdr_put(msg, 0, 0, 0, notif);
5314526b
TP		 16619 if (!hdr) {
16620 nlmsg_free(msg);
16621 return;
16622 }
16623
683b6d3b
JB		 16624 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
16625 goto nla_put_failure;
16626
16627 if (nl80211_send_chandef(msg, chandef))
7eab0f64 16628 goto nla_put_failure;
5314526b 16629
f8d7552e
LC		 16630 if ((notif == NL80211_CMD_CH_SWITCH_STARTED_NOTIFY) &&
16631 (nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT, count)))
16632 goto nla_put_failure;
16633
5314526b
TP		 16634 genlmsg_end(msg, hdr);
16635
68eb5503 16636 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 16637 NL80211_MCGRP_MLME, gfp);
5314526b
TP		 16638 return;
16639
16640 nla_put_failure:
5314526b
TP		 16641 nlmsg_free(msg);
16642}
16643
947add36
JB		 16644void cfg80211_ch_switch_notify(struct net_device *dev,
16645 struct cfg80211_chan_def *chandef)
84f10708 16646{
947add36
JB		 16647 struct wireless_dev *wdev = dev->ieee80211_ptr;
16648 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 16649 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
947add36 16650
e487eaeb 16651 ASSERT_WDEV_LOCK(wdev);
947add36 16652
e487eaeb 16653 trace_cfg80211_ch_switch_notify(dev, chandef);
947add36 16654
9e0e2961 16655 wdev->chandef = *chandef;
96f55f12 16656 wdev->preset_chandef = *chandef;
5dc8cdce
SM		 16657
16658 if (wdev->iftype == NL80211_IFTYPE_STATION &&
16659 !WARN_ON(!wdev->current_bss))
0afd425b 16660 cfg80211_update_assoc_bss_entry(wdev, chandef->chan);
5dc8cdce 16661
d34990bb
MV		 16662 cfg80211_sched_dfs_chan_update(rdev);
16663
f8d7552e
LC		 16664 nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL,
16665 NL80211_CMD_CH_SWITCH_NOTIFY, 0);
947add36
JB		 16666}
16667EXPORT_SYMBOL(cfg80211_ch_switch_notify);
16668
f8d7552e
LC		 16669void cfg80211_ch_switch_started_notify(struct net_device *dev,
16670 struct cfg80211_chan_def *chandef,
16671 u8 count)
16672{
16673 struct wireless_dev *wdev = dev->ieee80211_ptr;
16674 struct wiphy *wiphy = wdev->wiphy;
16675 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16676
16677 trace_cfg80211_ch_switch_started_notify(dev, chandef);
16678
16679 nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL,
16680 NL80211_CMD_CH_SWITCH_STARTED_NOTIFY, count);
16681}
16682EXPORT_SYMBOL(cfg80211_ch_switch_started_notify);
16683
04f39047
SW		 16684void
16685nl80211_radar_notify(struct cfg80211_registered_device *rdev,
d2859df5 16686 const struct cfg80211_chan_def *chandef,
04f39047
SW		 16687 enum nl80211_radar_event event,
16688 struct net_device *netdev, gfp_t gfp)
16689{
16690 struct sk_buff *msg;
16691 void *hdr;
16692
16693 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16694 if (!msg)
16695 return;
16696
16697 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT);
16698 if (!hdr) {
16699 nlmsg_free(msg);
16700 return;
16701 }
16702
16703 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
16704 goto nla_put_failure;
16705
16706 /* NOP and radar events don't need a netdev parameter */
16707 if (netdev) {
16708 struct wireless_dev *wdev = netdev->ieee80211_ptr;
16709
16710 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
2dad624e
ND		 16711 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16712 NL80211_ATTR_PAD))
04f39047
SW		 16713 goto nla_put_failure;
16714 }
16715
16716 if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event))
16717 goto nla_put_failure;
16718
16719 if (nl80211_send_chandef(msg, chandef))
16720 goto nla_put_failure;
16721
9c90a9f6 16722 genlmsg_end(msg, hdr);
04f39047 16723
68eb5503 16724 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 16725 NL80211_MCGRP_MLME, gfp);
04f39047
SW		 16726 return;
16727
16728 nla_put_failure:
04f39047
SW		 16729 nlmsg_free(msg);
16730}
16731
466b9936 16732void cfg80211_sta_opmode_change_notify(struct net_device *dev, const u8 *mac,
16733 struct sta_opmode_info *sta_opmode,
16734 gfp_t gfp)
16735{
16736 struct sk_buff *msg;
16737 struct wireless_dev *wdev = dev->ieee80211_ptr;
16738 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16739 void *hdr;
16740
16741 if (WARN_ON(!mac))
16742 return;
16743
16744 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16745 if (!msg)
16746 return;
16747
16748 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STA_OPMODE_CHANGED);
16749 if (!hdr) {
16750 nlmsg_free(msg);
16751 return;
16752 }
16753
16754 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
16755 goto nla_put_failure;
16756
16757 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
16758 goto nla_put_failure;
16759
16760 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
16761 goto nla_put_failure;
16762
16763 if ((sta_opmode->changed & STA_OPMODE_SMPS_MODE_CHANGED) &&
16764 nla_put_u8(msg, NL80211_ATTR_SMPS_MODE, sta_opmode->smps_mode))
16765 goto nla_put_failure;
16766
16767 if ((sta_opmode->changed & STA_OPMODE_MAX_BW_CHANGED) &&
16768 nla_put_u8(msg, NL80211_ATTR_CHANNEL_WIDTH, sta_opmode->bw))
16769 goto nla_put_failure;
16770
16771 if ((sta_opmode->changed & STA_OPMODE_N_SS_CHANGED) &&
16772 nla_put_u8(msg, NL80211_ATTR_NSS, sta_opmode->rx_nss))
16773 goto nla_put_failure;
16774
16775 genlmsg_end(msg, hdr);
16776
16777 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16778 NL80211_MCGRP_MLME, gfp);
16779
16780 return;
16781
16782nla_put_failure:
16783 nlmsg_free(msg);
16784}
16785EXPORT_SYMBOL(cfg80211_sta_opmode_change_notify);
16786
7f6cf311 16787void cfg80211_probe_status(struct net_device *dev, const u8 *addr,
c4b50cd3
VN		 16788 u64 cookie, bool acked, s32 ack_signal,
16789 bool is_valid_ack_signal, gfp_t gfp)
7f6cf311
JB		 16790{
16791 struct wireless_dev *wdev = dev->ieee80211_ptr;
f26cbf40 16792 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
7f6cf311
JB		 16793 struct sk_buff *msg;
16794 void *hdr;
7f6cf311 16795
4ee3e063
BL		 16796 trace_cfg80211_probe_status(dev, addr, cookie, acked);
16797
58050fce 16798 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
4ee3e063 16799
7f6cf311
JB		 16800 if (!msg)
16801 return;
16802
16803 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT);
16804 if (!hdr) {
16805 nlmsg_free(msg);
16806 return;
16807 }
16808
9360ffd1
DM		 16809 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16810 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16811 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
2dad624e
ND		 16812 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
16813 NL80211_ATTR_PAD) ||
c4b50cd3
VN		 16814 (acked && nla_put_flag(msg, NL80211_ATTR_ACK)) ||
16815 (is_valid_ack_signal && nla_put_s32(msg, NL80211_ATTR_ACK_SIGNAL,
16816 ack_signal)))
9360ffd1 16817 goto nla_put_failure;
7f6cf311 16818
9c90a9f6 16819 genlmsg_end(msg, hdr);
7f6cf311 16820
68eb5503 16821 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 16822 NL80211_MCGRP_MLME, gfp);
7f6cf311
JB		 16823 return;
16824
16825 nla_put_failure:
7f6cf311
JB		 16826 nlmsg_free(msg);
16827}
16828EXPORT_SYMBOL(cfg80211_probe_status);
16829
5e760230
JB		 16830void cfg80211_report_obss_beacon(struct wiphy *wiphy,
16831 const u8 *frame, size_t len,
37c73b5f 16832 int freq, int sig_dbm)
5e760230 16833{
f26cbf40 16834 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
5e760230
JB		 16835 struct sk_buff *msg;
16836 void *hdr;
37c73b5f 16837 struct cfg80211_beacon_registration *reg;
5e760230 16838
4ee3e063
BL		 16839 trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm);
16840
37c73b5f
BG		 16841 spin_lock_bh(&rdev->beacon_registrations_lock);
16842 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
16843 msg = nlmsg_new(len + 100, GFP_ATOMIC);
16844 if (!msg) {
16845 spin_unlock_bh(&rdev->beacon_registrations_lock);
16846 return;
16847 }
5e760230 16848
37c73b5f
BG		 16849 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
16850 if (!hdr)
16851 goto nla_put_failure;
5e760230 16852
37c73b5f
BG		 16853 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16854 (freq &&
16855 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) ||
16856 (sig_dbm &&
16857 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
16858 nla_put(msg, NL80211_ATTR_FRAME, len, frame))
16859 goto nla_put_failure;
5e760230 16860
37c73b5f 16861 genlmsg_end(msg, hdr);
5e760230 16862
37c73b5f
BG		 16863 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid);
16864 }
16865 spin_unlock_bh(&rdev->beacon_registrations_lock);
5e760230
JB		 16866 return;
16867
16868 nla_put_failure:
37c73b5f 16869 spin_unlock_bh(&rdev->beacon_registrations_lock);
5e760230
JB		 16870 nlmsg_free(msg);
16871}
16872EXPORT_SYMBOL(cfg80211_report_obss_beacon);
16873
cd8f7cb4 16874#ifdef CONFIG_PM
8cd4d456
LC		 16875static int cfg80211_net_detect_results(struct sk_buff *msg,
16876 struct cfg80211_wowlan_wakeup *wakeup)
16877{
16878 struct cfg80211_wowlan_nd_info *nd = wakeup->net_detect;
16879 struct nlattr *nl_results, *nl_match, *nl_freqs;
16880 int i, j;
16881
ae0be8de
MK		 16882 nl_results = nla_nest_start_noflag(msg,
16883 NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS);
8cd4d456
LC		 16884 if (!nl_results)
16885 return -EMSGSIZE;
16886
16887 for (i = 0; i < nd->n_matches; i++) {
16888 struct cfg80211_wowlan_nd_match *match = nd->matches[i];
16889
ae0be8de 16890 nl_match = nla_nest_start_noflag(msg, i);
8cd4d456
LC		 16891 if (!nl_match)
16892 break;
16893
16894 /* The SSID attribute is optional in nl80211, but for
16895 * simplicity reasons it's always present in the
16896 * cfg80211 structure. If a driver can't pass the
16897 * SSID, that needs to be changed. A zero length SSID
16898 * is still a valid SSID (wildcard), so it cannot be
16899 * used for this purpose.
16900 */
16901 if (nla_put(msg, NL80211_ATTR_SSID, match->ssid.ssid_len,
16902 match->ssid.ssid)) {
16903 nla_nest_cancel(msg, nl_match);
16904 goto out;
16905 }
16906
16907 if (match->n_channels) {
ae0be8de
MK		 16908 nl_freqs = nla_nest_start_noflag(msg,
16909 NL80211_ATTR_SCAN_FREQUENCIES);
8cd4d456
LC		 16910 if (!nl_freqs) {
16911 nla_nest_cancel(msg, nl_match);
16912 goto out;
16913 }
16914
16915 for (j = 0; j < match->n_channels; j++) {
5528fae8 16916 if (nla_put_u32(msg, j, match->channels[j])) {
8cd4d456
LC		 16917 nla_nest_cancel(msg, nl_freqs);
16918 nla_nest_cancel(msg, nl_match);
16919 goto out;
16920 }
16921 }
16922
16923 nla_nest_end(msg, nl_freqs);
16924 }
16925
16926 nla_nest_end(msg, nl_match);
16927 }
16928
16929out:
16930 nla_nest_end(msg, nl_results);
16931 return 0;
16932}
16933
cd8f7cb4
JB		 16934void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev,
16935 struct cfg80211_wowlan_wakeup *wakeup,
16936 gfp_t gfp)
16937{
f26cbf40 16938 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
cd8f7cb4
JB		 16939 struct sk_buff *msg;
16940 void *hdr;
9c90a9f6 16941 int size = 200;
cd8f7cb4
JB		 16942
16943 trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup);
16944
16945 if (wakeup)
16946 size += wakeup->packet_present_len;
16947
16948 msg = nlmsg_new(size, gfp);
16949 if (!msg)
16950 return;
16951
16952 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN);
16953 if (!hdr)
16954 goto free_msg;
16955
16956 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
2dad624e
ND		 16957 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16958 NL80211_ATTR_PAD))
cd8f7cb4
JB		 16959 goto free_msg;
16960
16961 if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
16962 wdev->netdev->ifindex))
16963 goto free_msg;
16964
16965 if (wakeup) {
16966 struct nlattr *reasons;
16967
ae0be8de
MK		 16968 reasons = nla_nest_start_noflag(msg,
16969 NL80211_ATTR_WOWLAN_TRIGGERS);
7fa322c8
JB		 16970 if (!reasons)
16971 goto free_msg;
cd8f7cb4
JB		 16972
16973 if (wakeup->disconnect &&
16974 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT))
16975 goto free_msg;
16976 if (wakeup->magic_pkt &&
16977 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT))
16978 goto free_msg;
16979 if (wakeup->gtk_rekey_failure &&
16980 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE))
16981 goto free_msg;
16982 if (wakeup->eap_identity_req &&
16983 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST))
16984 goto free_msg;
16985 if (wakeup->four_way_handshake &&
16986 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE))
16987 goto free_msg;
16988 if (wakeup->rfkill_release &&
16989 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))
16990 goto free_msg;
16991
16992 if (wakeup->pattern_idx >= 0 &&
16993 nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
16994 wakeup->pattern_idx))
16995 goto free_msg;
16996
ae917c9f
JB		 16997 if (wakeup->tcp_match &&
16998 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH))
16999 goto free_msg;
2a0e047e 17000
ae917c9f
JB		 17001 if (wakeup->tcp_connlost &&
17002 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST))
17003 goto free_msg;
2a0e047e 17004
ae917c9f
JB		 17005 if (wakeup->tcp_nomoretokens &&
17006 nla_put_flag(msg,
17007 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS))
17008 goto free_msg;
2a0e047e 17009
cd8f7cb4
JB		 17010 if (wakeup->packet) {
17011 u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211;
17012 u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN;
17013
17014 if (!wakeup->packet_80211) {
17015 pkt_attr =
17016 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023;
17017 len_attr =
17018 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN;
17019 }
17020
17021 if (wakeup->packet_len &&
17022 nla_put_u32(msg, len_attr, wakeup->packet_len))
17023 goto free_msg;
17024
17025 if (nla_put(msg, pkt_attr, wakeup->packet_present_len,
17026 wakeup->packet))
17027 goto free_msg;
17028 }
17029
8cd4d456
LC		 17030 if (wakeup->net_detect &&
17031 cfg80211_net_detect_results(msg, wakeup))
17032 goto free_msg;
17033
cd8f7cb4
JB		 17034 nla_nest_end(msg, reasons);
17035 }
17036
9c90a9f6 17037 genlmsg_end(msg, hdr);
cd8f7cb4 17038
68eb5503 17039 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 17040 NL80211_MCGRP_MLME, gfp);
cd8f7cb4
JB		 17041 return;
17042
17043 free_msg:
17044 nlmsg_free(msg);
17045}
17046EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup);
17047#endif
17048
3475b094
JM		 17049void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer,
17050 enum nl80211_tdls_operation oper,
17051 u16 reason_code, gfp_t gfp)
17052{
17053 struct wireless_dev *wdev = dev->ieee80211_ptr;
f26cbf40 17054 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
3475b094
JM		 17055 struct sk_buff *msg;
17056 void *hdr;
3475b094
JM		 17057
17058 trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper,
17059 reason_code);
17060
17061 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17062 if (!msg)
17063 return;
17064
17065 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER);
17066 if (!hdr) {
17067 nlmsg_free(msg);
17068 return;
17069 }
17070
17071 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17072 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
17073 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) ||
17074 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) ||
17075 (reason_code > 0 &&
17076 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code)))
17077 goto nla_put_failure;
17078
9c90a9f6 17079 genlmsg_end(msg, hdr);
3475b094 17080
68eb5503 17081 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 17082 NL80211_MCGRP_MLME, gfp);
3475b094
JM		 17083 return;
17084
17085 nla_put_failure:
3475b094
JM		 17086 nlmsg_free(msg);
17087}
17088EXPORT_SYMBOL(cfg80211_tdls_oper_request);
17089
026331c4
JM		 17090static int nl80211_netlink_notify(struct notifier_block * nb,
17091 unsigned long state,
17092 void *_notify)
17093{
17094 struct netlink_notify *notify = _notify;
17095 struct cfg80211_registered_device *rdev;
17096 struct wireless_dev *wdev;
37c73b5f 17097 struct cfg80211_beacon_registration *reg, *tmp;
026331c4 17098
8f815cdd 17099 if (state != NETLINK_URELEASE || notify->protocol != NETLINK_GENERIC)
026331c4
JM		 17100 return NOTIFY_DONE;
17101
17102 rcu_read_lock();
17103
5e760230 17104 list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) {
ca986ad9 17105 struct cfg80211_sched_scan_request *sched_scan_req;
753aacfd 17106
ca986ad9
AVS		 17107 list_for_each_entry_rcu(sched_scan_req,
17108 &rdev->sched_scan_req_list,
17109 list) {
17110 if (sched_scan_req->owner_nlportid == notify->portid) {
17111 sched_scan_req->nl_owner_dead = true;
753aacfd 17112 schedule_work(&rdev->sched_scan_stop_wk);
ca986ad9 17113 }
753aacfd 17114 }
78f22b6a 17115
53873f13 17116 list_for_each_entry_rcu(wdev, &rdev->wiphy.wdev_list, list) {
15e47304 17117 cfg80211_mlme_unregister_socket(wdev, notify->portid);
37c73b5f 17118
ab81007a
JB		 17119 if (wdev->owner_nlportid == notify->portid) {
17120 wdev->nl_owner_dead = true;
17121 schedule_work(&rdev->destroy_work);
17122 } else if (wdev->conn_owner_nlportid == notify->portid) {
bd2522b1 17123 schedule_work(&wdev->disconnect_wk);
ab81007a 17124 }
9bb7e0f2
JB		 17125
17126 cfg80211_release_pmsr(wdev, notify->portid);
78f22b6a
JB		 17127 }
17128
37c73b5f
BG		 17129 spin_lock_bh(&rdev->beacon_registrations_lock);
17130 list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations,
17131 list) {
17132 if (reg->nlportid == notify->portid) {
17133 list_del(&reg->list);
17134 kfree(reg);
17135 break;
17136 }
17137 }
17138 spin_unlock_bh(&rdev->beacon_registrations_lock);
5e760230 17139 }
026331c4
JM		 17140
17141 rcu_read_unlock();
17142
05050753
I		 17143 /*
17144 * It is possible that the user space process that is controlling the
17145 * indoor setting disappeared, so notify the regulatory core.
17146 */
17147 regulatory_netlink_notify(notify->portid);
6784c7db 17148 return NOTIFY_OK;
026331c4
JM		 17149}
17150
17151static struct notifier_block nl80211_netlink_notifier = {
17152 .notifier_call = nl80211_netlink_notify,
17153};
17154
355199e0
JM		 17155void cfg80211_ft_event(struct net_device *netdev,
17156 struct cfg80211_ft_event_params *ft_event)
17157{
17158 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
f26cbf40 17159 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
355199e0
JM		 17160 struct sk_buff *msg;
17161 void *hdr;
355199e0
JM		 17162
17163 trace_cfg80211_ft_event(wiphy, netdev, ft_event);
17164
17165 if (!ft_event->target_ap)
17166 return;
17167
1039d081
DL		 17168 msg = nlmsg_new(100 + ft_event->ies_len + ft_event->ric_ies_len,
17169 GFP_KERNEL);
355199e0
JM		 17170 if (!msg)
17171 return;
17172
17173 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT);
ae917c9f
JB		 17174 if (!hdr)
17175 goto out;
355199e0 17176
ae917c9f
JB		 17177 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17178 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
17179 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap))
17180 goto out;
355199e0 17181
ae917c9f
JB		 17182 if (ft_event->ies &&
17183 nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies))
17184 goto out;
17185 if (ft_event->ric_ies &&
17186 nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len,
17187 ft_event->ric_ies))
17188 goto out;
355199e0 17189
9c90a9f6 17190 genlmsg_end(msg, hdr);
355199e0 17191
68eb5503 17192 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 17193 NL80211_MCGRP_MLME, GFP_KERNEL);
ae917c9f
JB		 17194 return;
17195 out:
17196 nlmsg_free(msg);
355199e0
JM		 17197}
17198EXPORT_SYMBOL(cfg80211_ft_event);
17199
5de17984
AS		 17200void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp)
17201{
17202 struct cfg80211_registered_device *rdev;
17203 struct sk_buff *msg;
17204 void *hdr;
17205 u32 nlportid;
17206
f26cbf40 17207 rdev = wiphy_to_rdev(wdev->wiphy);
5de17984
AS		 17208 if (!rdev->crit_proto_nlportid)
17209 return;
17210
17211 nlportid = rdev->crit_proto_nlportid;
17212 rdev->crit_proto_nlportid = 0;
17213
17214 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17215 if (!msg)
17216 return;
17217
17218 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP);
17219 if (!hdr)
17220 goto nla_put_failure;
17221
17222 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
2dad624e
ND		 17223 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
17224 NL80211_ATTR_PAD))
5de17984
AS		 17225 goto nla_put_failure;
17226
17227 genlmsg_end(msg, hdr);
17228
17229 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
17230 return;
17231
17232 nla_put_failure:
5de17984 17233 nlmsg_free(msg);
5de17984
AS		 17234}
17235EXPORT_SYMBOL(cfg80211_crit_proto_stopped);
17236
348baf0e
JB		 17237void nl80211_send_ap_stopped(struct wireless_dev *wdev)
17238{
17239 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 17240 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
348baf0e
JB		 17241 struct sk_buff *msg;
17242 void *hdr;
17243
17244 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
17245 if (!msg)
17246 return;
17247
17248 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STOP_AP);
17249 if (!hdr)
17250 goto out;
17251
17252 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17253 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex) ||
2dad624e
ND		 17254 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
17255 NL80211_ATTR_PAD))
348baf0e
JB		 17256 goto out;
17257
17258 genlmsg_end(msg, hdr);
17259
17260 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(wiphy), msg, 0,
17261 NL80211_MCGRP_MLME, GFP_KERNEL);
17262 return;
17263 out:
17264 nlmsg_free(msg);
17265}
17266
40cbfa90
SD		 17267int cfg80211_external_auth_request(struct net_device *dev,
17268 struct cfg80211_external_auth_params *params,
17269 gfp_t gfp)
17270{
17271 struct wireless_dev *wdev = dev->ieee80211_ptr;
17272 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
17273 struct sk_buff *msg;
17274 void *hdr;
17275
17276 if (!wdev->conn_owner_nlportid)
17277 return -EINVAL;
17278
17279 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17280 if (!msg)
17281 return -ENOMEM;
17282
17283 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_EXTERNAL_AUTH);
17284 if (!hdr)
17285 goto nla_put_failure;
17286
17287 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17288 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
17289 nla_put_u32(msg, NL80211_ATTR_AKM_SUITES, params->key_mgmt_suite) ||
17290 nla_put_u32(msg, NL80211_ATTR_EXTERNAL_AUTH_ACTION,
17291 params->action) ||
17292 nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, params->bssid) ||
17293 nla_put(msg, NL80211_ATTR_SSID, params->ssid.ssid_len,
17294 params->ssid.ssid))
17295 goto nla_put_failure;
17296
17297 genlmsg_end(msg, hdr);
17298 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
17299 wdev->conn_owner_nlportid);
17300 return 0;
17301
17302 nla_put_failure:
17303 nlmsg_free(msg);
17304 return -ENOBUFS;
17305}
17306EXPORT_SYMBOL(cfg80211_external_auth_request);
17307
cb74e977
SD		 17308void cfg80211_update_owe_info_event(struct net_device *netdev,
17309 struct cfg80211_update_owe_info *owe_info,
17310 gfp_t gfp)
17311{
17312 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
17313 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17314 struct sk_buff *msg;
17315 void *hdr;
17316
17317 trace_cfg80211_update_owe_info_event(wiphy, netdev, owe_info);
17318
17319 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17320 if (!msg)
17321 return;
17322
17323 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_UPDATE_OWE_INFO);
17324 if (!hdr)
17325 goto nla_put_failure;
17326
17327 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17328 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
17329 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, owe_info->peer))
17330 goto nla_put_failure;
17331
17332 if (!owe_info->ie_len ||
17333 nla_put(msg, NL80211_ATTR_IE, owe_info->ie_len, owe_info->ie))
17334 goto nla_put_failure;
17335
17336 genlmsg_end(msg, hdr);
17337
17338 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17339 NL80211_MCGRP_MLME, gfp);
17340 return;
17341
17342nla_put_failure:
17343 genlmsg_cancel(msg, hdr);
17344 nlmsg_free(msg);
17345}
17346EXPORT_SYMBOL(cfg80211_update_owe_info_event);
17347
55682965
JB		 17348/* initialisation/exit functions */
17349
56989f6d 17350int __init nl80211_init(void)
55682965 17351{
0d63cbb5 17352 int err;
55682965 17353
489111e5 17354 err = genl_register_family(&nl80211_fam);
55682965
JB		 17355 if (err)
17356 return err;
17357
026331c4
JM		 17358 err = netlink_register_notifier(&nl80211_netlink_notifier);
17359 if (err)
17360 goto err_out;
17361
55682965
JB		 17362 return 0;
17363 err_out:
17364 genl_unregister_family(&nl80211_fam);
17365 return err;
17366}
17367
17368void nl80211_exit(void)
17369{
026331c4 17370 netlink_unregister_notifier(&nl80211_netlink_notifier);
55682965
JB		 17371 genl_unregister_family(&nl80211_fam);
17372}
Linux 6.x block layer and io_uring tree(s)