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cfg80211: change netdev registration/unregistration semantics
[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
7e8d6f12 8 * Copyright (C) 2018-2020 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;
1d47f119
TP		 212 bool s1g_bcn = ieee80211_is_s1g_beacon(mgmt->frame_control);
213 unsigned int fixedlen, hdrlen;
214
215 if (s1g_bcn) {
216 fixedlen = offsetof(struct ieee80211_ext,
217 u.s1g_beacon.variable);
218 hdrlen = offsetof(struct ieee80211_ext, u.s1g_beacon);
219 } else {
220 fixedlen = offsetof(struct ieee80211_mgmt,
221 u.beacon.variable);
222 hdrlen = offsetof(struct ieee80211_mgmt, u.beacon);
223 }
f88eb7c0
JB		 224
225 if (len < fixedlen)
226 goto err;
227
1d47f119 228 if (ieee80211_hdrlen(mgmt->frame_control) != hdrlen)
f88eb7c0
JB		 229 goto err;
230
231 data += fixedlen;
232 len -= fixedlen;
233
234 for_each_element(elem, data, len) {
235 /* nothing */
236 }
237
238 if (for_each_element_completed(elem, data, len))
239 return 0;
240
241err:
242 NL_SET_ERR_MSG_ATTR(extack, attr, "malformed beacon head");
243 return -EINVAL;
244}
245
3d7af878
JB		 246static int validate_ie_attr(const struct nlattr *attr,
247 struct netlink_ext_ack *extack)
248{
9f308616
JB		 249 const u8 *data = nla_data(attr);
250 unsigned int len = nla_len(attr);
7388afe0 251 const struct element *elem;
3d7af878 252
9f308616
JB		 253 for_each_element(elem, data, len) {
254 /* nothing */
3d7af878
JB		 255 }
256
9f308616
JB		 257 if (for_each_element_completed(elem, data, len))
258 return 0;
259
3d7af878
JB		 260 NL_SET_ERR_MSG_ATTR(extack, attr, "malformed information elements");
261 return -EINVAL;
262}
263
55682965 264/* policy for the attributes */
d15da2a2
JB		 265static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR];
266
81e54d08
PKC		 267static const struct nla_policy
268nl80211_ftm_responder_policy[NL80211_FTM_RESP_ATTR_MAX + 1] = {
269 [NL80211_FTM_RESP_ATTR_ENABLED] = { .type = NLA_FLAG, },
270 [NL80211_FTM_RESP_ATTR_LCI] = { .type = NLA_BINARY,
271 .len = U8_MAX },
272 [NL80211_FTM_RESP_ATTR_CIVICLOC] = { .type = NLA_BINARY,
273 .len = U8_MAX },
274};
275
9bb7e0f2
JB		 276static const struct nla_policy
277nl80211_pmsr_ftm_req_attr_policy[NL80211_PMSR_FTM_REQ_ATTR_MAX + 1] = {
278 [NL80211_PMSR_FTM_REQ_ATTR_ASAP] = { .type = NLA_FLAG },
279 [NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE] = { .type = NLA_U32 },
280 [NL80211_PMSR_FTM_REQ_ATTR_NUM_BURSTS_EXP] =
281 NLA_POLICY_MAX(NLA_U8, 15),
282 [NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD] = { .type = NLA_U16 },
283 [NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION] =
284 NLA_POLICY_MAX(NLA_U8, 15),
285 [NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST] =
ea18709a 286 NLA_POLICY_MAX(NLA_U8, 31),
9bb7e0f2
JB		 287 [NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES] = { .type = NLA_U8 },
288 [NL80211_PMSR_FTM_REQ_ATTR_REQUEST_LCI] = { .type = NLA_FLAG },
289 [NL80211_PMSR_FTM_REQ_ATTR_REQUEST_CIVICLOC] = { .type = NLA_FLAG },
efb5520d
AS		 290 [NL80211_PMSR_FTM_REQ_ATTR_TRIGGER_BASED] = { .type = NLA_FLAG },
291 [NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED] = { .type = NLA_FLAG },
9bb7e0f2
JB		 292};
293
294static const struct nla_policy
295nl80211_pmsr_req_data_policy[NL80211_PMSR_TYPE_MAX + 1] = {
296 [NL80211_PMSR_TYPE_FTM] =
23323289 297 NLA_POLICY_NESTED(nl80211_pmsr_ftm_req_attr_policy),
9bb7e0f2
JB		 298};
299
300static const struct nla_policy
301nl80211_pmsr_req_attr_policy[NL80211_PMSR_REQ_ATTR_MAX + 1] = {
302 [NL80211_PMSR_REQ_ATTR_DATA] =
23323289 303 NLA_POLICY_NESTED(nl80211_pmsr_req_data_policy),
9bb7e0f2
JB		 304 [NL80211_PMSR_REQ_ATTR_GET_AP_TSF] = { .type = NLA_FLAG },
305};
306
307static const struct nla_policy
308nl80211_psmr_peer_attr_policy[NL80211_PMSR_PEER_ATTR_MAX + 1] = {
309 [NL80211_PMSR_PEER_ATTR_ADDR] = NLA_POLICY_ETH_ADDR,
d15da2a2 310 [NL80211_PMSR_PEER_ATTR_CHAN] = NLA_POLICY_NESTED(nl80211_policy),
9bb7e0f2 311 [NL80211_PMSR_PEER_ATTR_REQ] =
23323289 312 NLA_POLICY_NESTED(nl80211_pmsr_req_attr_policy),
9bb7e0f2
JB		 313 [NL80211_PMSR_PEER_ATTR_RESP] = { .type = NLA_REJECT },
314};
315
316static const struct nla_policy
317nl80211_pmsr_attr_policy[NL80211_PMSR_ATTR_MAX + 1] = {
318 [NL80211_PMSR_ATTR_MAX_PEERS] = { .type = NLA_REJECT },
319 [NL80211_PMSR_ATTR_REPORT_AP_TSF] = { .type = NLA_REJECT },
320 [NL80211_PMSR_ATTR_RANDOMIZE_MAC_ADDR] = { .type = NLA_REJECT },
321 [NL80211_PMSR_ATTR_TYPE_CAPA] = { .type = NLA_REJECT },
322 [NL80211_PMSR_ATTR_PEERS] =
23323289 323 NLA_POLICY_NESTED_ARRAY(nl80211_psmr_peer_attr_policy),
9bb7e0f2
JB		 324};
325
796e90f4
JC		 326static const struct nla_policy
327he_obss_pd_policy[NL80211_HE_OBSS_PD_ATTR_MAX + 1] = {
328 [NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET] =
329 NLA_POLICY_RANGE(NLA_U8, 1, 20),
330 [NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET] =
331 NLA_POLICY_RANGE(NLA_U8, 1, 20),
f5bec330
RM		 332 [NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET] =
333 NLA_POLICY_RANGE(NLA_U8, 1, 20),
334 [NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP] =
335 NLA_POLICY_EXACT_LEN(8),
336 [NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP] =
337 NLA_POLICY_EXACT_LEN(8),
338 [NL80211_HE_OBSS_PD_ATTR_SR_CTRL] = { .type = NLA_U8 },
796e90f4
JC		 339};
340
5c5e52d1
JC		 341static const struct nla_policy
342he_bss_color_policy[NL80211_HE_BSS_COLOR_ATTR_MAX + 1] = {
343 [NL80211_HE_BSS_COLOR_ATTR_COLOR] = NLA_POLICY_RANGE(NLA_U8, 1, 63),
344 [NL80211_HE_BSS_COLOR_ATTR_DISABLED] = { .type = NLA_FLAG },
345 [NL80211_HE_BSS_COLOR_ATTR_PARTIAL] = { .type = NLA_FLAG },
346};
347
9a5f6488
TC		 348static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = {
349 [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY,
350 .len = NL80211_MAX_SUPP_RATES },
351 [NL80211_TXRATE_HT] = { .type = NLA_BINARY,
352 .len = NL80211_MAX_SUPP_HT_RATES },
353 [NL80211_TXRATE_VHT] = NLA_POLICY_EXACT_LEN_WARN(sizeof(struct nl80211_txrate_vht)),
354 [NL80211_TXRATE_GI] = { .type = NLA_U8 },
eb89a6a6
MH		 355 [NL80211_TXRATE_HE] = NLA_POLICY_EXACT_LEN(sizeof(struct nl80211_txrate_he)),
356 [NL80211_TXRATE_HE_GI] = NLA_POLICY_RANGE(NLA_U8,
357 NL80211_RATE_INFO_HE_GI_0_8,
358 NL80211_RATE_INFO_HE_GI_3_2),
359 [NL80211_TXRATE_HE_LTF] = NLA_POLICY_RANGE(NLA_U8,
360 NL80211_RATE_INFO_HE_1XLTF,
361 NL80211_RATE_INFO_HE_4XLTF),
9a5f6488
TC		 362};
363
77f576de
T		 364static const struct nla_policy
365nl80211_tid_config_attr_policy[NL80211_TID_CONFIG_ATTR_MAX + 1] = {
3710a8a6
JB		 366 [NL80211_TID_CONFIG_ATTR_VIF_SUPP] = { .type = NLA_U64 },
367 [NL80211_TID_CONFIG_ATTR_PEER_SUPP] = { .type = NLA_U64 },
77f576de 368 [NL80211_TID_CONFIG_ATTR_OVERRIDE] = { .type = NLA_FLAG },
3710a8a6 369 [NL80211_TID_CONFIG_ATTR_TIDS] = NLA_POLICY_RANGE(NLA_U16, 1, 0xff),
77f576de
T		 370 [NL80211_TID_CONFIG_ATTR_NOACK] =
371 NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE),
6a21d16c
T		 372 [NL80211_TID_CONFIG_ATTR_RETRY_SHORT] = NLA_POLICY_MIN(NLA_U8, 1),
373 [NL80211_TID_CONFIG_ATTR_RETRY_LONG] = NLA_POLICY_MIN(NLA_U8, 1),
ade274b2
T		 374 [NL80211_TID_CONFIG_ATTR_AMPDU_CTRL] =
375 NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE),
04f7d142
T		 376 [NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL] =
377 NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE),
33462e68
SM		 378 [NL80211_TID_CONFIG_ATTR_AMSDU_CTRL] =
379 NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE),
9a5f6488
TC		 380 [NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE] =
381 NLA_POLICY_MAX(NLA_U8, NL80211_TX_RATE_FIXED),
382 [NL80211_TID_CONFIG_ATTR_TX_RATE] =
383 NLA_POLICY_NESTED(nl80211_txattr_policy),
77f576de
T		 384};
385
291c49de
AD		 386static const struct nla_policy
387nl80211_fils_discovery_policy[NL80211_FILS_DISCOVERY_ATTR_MAX + 1] = {
388 [NL80211_FILS_DISCOVERY_ATTR_INT_MIN] = NLA_POLICY_MAX(NLA_U32, 10000),
389 [NL80211_FILS_DISCOVERY_ATTR_INT_MAX] = NLA_POLICY_MAX(NLA_U32, 10000),
390 NLA_POLICY_RANGE(NLA_BINARY,
391 NL80211_FILS_DISCOVERY_TMPL_MIN_LEN,
392 IEEE80211_MAX_DATA_LEN),
393};
394
7443dcd1
AD		 395static const struct nla_policy
396nl80211_unsol_bcast_probe_resp_policy[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_MAX + 1] = {
397 [NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT] = NLA_POLICY_MAX(NLA_U32, 20),
398 [NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL] = { .type = NLA_BINARY,
399 .len = IEEE80211_MAX_DATA_LEN }
400};
401
6bdb68ce
CH		 402static const struct nla_policy
403sar_specs_policy[NL80211_SAR_ATTR_SPECS_MAX + 1] = {
404 [NL80211_SAR_ATTR_SPECS_POWER] = { .type = NLA_S32 },
405 [NL80211_SAR_ATTR_SPECS_RANGE_INDEX] = {.type = NLA_U32 },
406};
407
408static const struct nla_policy
409sar_policy[NL80211_SAR_ATTR_MAX + 1] = {
410 [NL80211_SAR_ATTR_TYPE] = NLA_POLICY_MAX(NLA_U32, NUM_NL80211_SAR_TYPE),
411 [NL80211_SAR_ATTR_SPECS] = NLA_POLICY_NESTED_ARRAY(sar_specs_policy),
412};
413
d15da2a2 414static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
6d4dd4ef 415 [0] = { .strict_start_type = NL80211_ATTR_HE_OBSS_PD },
55682965
JB		 416 [NL80211_ATTR_WIPHY] = { .type = NLA_U32 },
417 [NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING,
079e24ed 418 .len = 20-1 },
31888487 419 [NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED },
3d9d1d66 420
72bdcf34 421 [NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 },
094d05dc 422 [NL80211_ATTR_WIPHY_CHANNEL_TYPE] = { .type = NLA_U32 },
2a38075c
AAL		 423 [NL80211_ATTR_WIPHY_EDMG_CHANNELS] = NLA_POLICY_RANGE(NLA_U8,
424 NL80211_EDMG_CHANNELS_MIN,
425 NL80211_EDMG_CHANNELS_MAX),
426 [NL80211_ATTR_WIPHY_EDMG_BW_CONFIG] = NLA_POLICY_RANGE(NLA_U8,
427 NL80211_EDMG_BW_CONFIG_MIN,
428 NL80211_EDMG_BW_CONFIG_MAX),
429
3d9d1d66
JB		 430 [NL80211_ATTR_CHANNEL_WIDTH] = { .type = NLA_U32 },
431 [NL80211_ATTR_CENTER_FREQ1] = { .type = NLA_U32 },
942ba88b 432 [NL80211_ATTR_CENTER_FREQ1_OFFSET] = NLA_POLICY_RANGE(NLA_U32, 0, 999),
3d9d1d66
JB		 433 [NL80211_ATTR_CENTER_FREQ2] = { .type = NLA_U32 },
434
ab0d76f6
JB		 435 [NL80211_ATTR_WIPHY_RETRY_SHORT] = NLA_POLICY_MIN(NLA_U8, 1),
436 [NL80211_ATTR_WIPHY_RETRY_LONG] = NLA_POLICY_MIN(NLA_U8, 1),
b9a5f8ca
JM		 437 [NL80211_ATTR_WIPHY_FRAG_THRESHOLD] = { .type = NLA_U32 },
438 [NL80211_ATTR_WIPHY_RTS_THRESHOLD] = { .type = NLA_U32 },
81077e82 439 [NL80211_ATTR_WIPHY_COVERAGE_CLASS] = { .type = NLA_U8 },
3057dbfd 440 [NL80211_ATTR_WIPHY_DYN_ACK] = { .type = NLA_FLAG },
55682965 441
ab0d76f6 442 [NL80211_ATTR_IFTYPE] = NLA_POLICY_MAX(NLA_U32, NL80211_IFTYPE_MAX),
55682965
JB		 443 [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 },
444 [NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 },
41ade00f 445
c7721c05
JB		 446 [NL80211_ATTR_MAC] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
447 [NL80211_ATTR_PREV_BSSID] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
41ade00f 448
b9454e83 449 [NL80211_ATTR_KEY] = { .type = NLA_NESTED, },
41ade00f
JB		 450 [NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY,
451 .len = WLAN_MAX_KEY_LEN },
56be393f 452 [NL80211_ATTR_KEY_IDX] = NLA_POLICY_MAX(NLA_U8, 7),
41ade00f
JB		 453 [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 },
454 [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG },
81962267 455 [NL80211_ATTR_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
ab0d76f6
JB		 456 [NL80211_ATTR_KEY_TYPE] =
457 NLA_POLICY_MAX(NLA_U32, NUM_NL80211_KEYTYPES),
ed1b6cc7
JB		 458
459 [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 },
460 [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 },
f88eb7c0
JB		 461 [NL80211_ATTR_BEACON_HEAD] =
462 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_beacon_head,
463 IEEE80211_MAX_DATA_LEN),
3d7af878
JB		 464 [NL80211_ATTR_BEACON_TAIL] =
465 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
466 IEEE80211_MAX_DATA_LEN),
ab0d76f6
JB		 467 [NL80211_ATTR_STA_AID] =
468 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
5727ef1b
JB		 469 [NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED },
470 [NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 },
471 [NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY,
472 .len = NL80211_MAX_SUPP_RATES },
ab0d76f6
JB		 473 [NL80211_ATTR_STA_PLINK_ACTION] =
474 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_PLINK_ACTIONS - 1),
e96d1cd2
ARN		 475 [NL80211_ATTR_STA_TX_POWER_SETTING] =
476 NLA_POLICY_RANGE(NLA_U8,
477 NL80211_TX_POWER_AUTOMATIC,
478 NL80211_TX_POWER_FIXED),
479 [NL80211_ATTR_STA_TX_POWER] = { .type = NLA_S16 },
5727ef1b 480 [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 },
0a9542ee 481 [NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ },
2ec600d6 482 [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY,
a4f606ea 483 .len = IEEE80211_MAX_MESH_ID_LEN },
1fab1b89 484 [NL80211_ATTR_MPATH_NEXT_HOP] = NLA_POLICY_ETH_ADDR_COMPAT,
9f1ba906 485
b2e1b302
LR		 486 [NL80211_ATTR_REG_ALPHA2] = { .type = NLA_STRING, .len = 2 },
487 [NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED },
488
9f1ba906
JM		 489 [NL80211_ATTR_BSS_CTS_PROT] = { .type = NLA_U8 },
490 [NL80211_ATTR_BSS_SHORT_PREAMBLE] = { .type = NLA_U8 },
491 [NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 },
90c97a04
JM		 492 [NL80211_ATTR_BSS_BASIC_RATES] = { .type = NLA_BINARY,
493 .len = NL80211_MAX_SUPP_RATES },
50b12f59 494 [NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 },
36aedc90 495
24bdd9f4 496 [NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED },
15d5dda6 497 [NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG },
93da9cc1 498
c7721c05 499 [NL80211_ATTR_HT_CAPABILITY] = NLA_POLICY_EXACT_LEN_WARN(NL80211_HT_CAPABILITY_LEN),
9aed3cc1
JM		 500
501 [NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 },
3d7af878
JB		 502 [NL80211_ATTR_IE] = NLA_POLICY_VALIDATE_FN(NLA_BINARY,
503 validate_ie_attr,
504 IEEE80211_MAX_DATA_LEN),
2a519311
JB		 505 [NL80211_ATTR_SCAN_FREQUENCIES] = { .type = NLA_NESTED },
506 [NL80211_ATTR_SCAN_SSIDS] = { .type = NLA_NESTED },
636a5d36
JM		 507
508 [NL80211_ATTR_SSID] = { .type = NLA_BINARY,
509 .len = IEEE80211_MAX_SSID_LEN },
510 [NL80211_ATTR_AUTH_TYPE] = { .type = NLA_U32 },
511 [NL80211_ATTR_REASON_CODE] = { .type = NLA_U16 },
04a773ad 512 [NL80211_ATTR_FREQ_FIXED] = { .type = NLA_FLAG },
1965c853 513 [NL80211_ATTR_TIMED_OUT] = { .type = NLA_FLAG },
ab0d76f6
JB		 514 [NL80211_ATTR_USE_MFP] = NLA_POLICY_RANGE(NLA_U32,
515 NL80211_MFP_NO,
516 NL80211_MFP_OPTIONAL),
eccb8e8f
JB		 517 [NL80211_ATTR_STA_FLAGS2] = {
518 .len = sizeof(struct nl80211_sta_flag_update),
519 },
3f77316c 520 [NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG },
c0692b8f
JB		 521 [NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 },
522 [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG },
64bf3d4b 523 [NL80211_ATTR_CONTROL_PORT_OVER_NL80211] = { .type = NLA_FLAG },
b23aa676 524 [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG },
ea750801 525 [NL80211_ATTR_STATUS_CODE] = { .type = NLA_U16 },
b23aa676
SO		 526 [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 },
527 [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 },
463d0183 528 [NL80211_ATTR_PID] = { .type = NLA_U32 },
8b787643 529 [NL80211_ATTR_4ADDR] = { .type = NLA_U8 },
c7721c05 530 [NL80211_ATTR_PMKID] = NLA_POLICY_EXACT_LEN_WARN(WLAN_PMKID_LEN),
9588bbd5
JM		 531 [NL80211_ATTR_DURATION] = { .type = NLA_U32 },
532 [NL80211_ATTR_COOKIE] = { .type = NLA_U64 },
13ae75b1 533 [NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED },
026331c4
JM		 534 [NL80211_ATTR_FRAME] = { .type = NLA_BINARY,
535 .len = IEEE80211_MAX_DATA_LEN },
536 [NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, },
ab0d76f6
JB		 537 [NL80211_ATTR_PS_STATE] = NLA_POLICY_RANGE(NLA_U32,
538 NL80211_PS_DISABLED,
539 NL80211_PS_ENABLED),
d6dc1a38 540 [NL80211_ATTR_CQM] = { .type = NLA_NESTED, },
d5cdfacb 541 [NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG },
fd8aaaf3 542 [NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 },
98d2ff8b
JO		 543 [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 },
544 [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 },
2e161f78 545 [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 },
afe0cbf8
BR		 546 [NL80211_ATTR_WIPHY_ANTENNA_TX] = { .type = NLA_U32 },
547 [NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 },
885a46d0 548 [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 },
f7ca38df 549 [NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG },
dbd2fd65 550 [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
ff1b6e69 551 [NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED },
ab0d76f6
JB		 552 [NL80211_ATTR_STA_PLINK_STATE] =
553 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_PLINK_STATES - 1),
056e9375
JK		 554 [NL80211_ATTR_MEASUREMENT_DURATION] = { .type = NLA_U16 },
555 [NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY] = { .type = NLA_FLAG },
ab0d76f6
JB		 556 [NL80211_ATTR_MESH_PEER_AID] =
557 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
bbe6ad6d 558 [NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 },
e5497d76 559 [NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED },
34850ab2 560 [NL80211_ATTR_SCAN_SUPP_RATES] = { .type = NLA_NESTED },
ab0d76f6
JB		 561 [NL80211_ATTR_HIDDEN_SSID] =
562 NLA_POLICY_RANGE(NLA_U32,
563 NL80211_HIDDEN_SSID_NOT_IN_USE,
564 NL80211_HIDDEN_SSID_ZERO_CONTENTS),
3d7af878
JB		 565 [NL80211_ATTR_IE_PROBE_RESP] =
566 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
567 IEEE80211_MAX_DATA_LEN),
568 [NL80211_ATTR_IE_ASSOC_RESP] =
569 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
570 IEEE80211_MAX_DATA_LEN),
f4b34b55 571 [NL80211_ATTR_ROAM_SUPPORT] = { .type = NLA_FLAG },
a1f1c21c 572 [NL80211_ATTR_SCHED_SCAN_MATCH] = { .type = NLA_NESTED },
e9f935e3 573 [NL80211_ATTR_TX_NO_CCK_RATE] = { .type = NLA_FLAG },
109086ce
AN		 574 [NL80211_ATTR_TDLS_ACTION] = { .type = NLA_U8 },
575 [NL80211_ATTR_TDLS_DIALOG_TOKEN] = { .type = NLA_U8 },
576 [NL80211_ATTR_TDLS_OPERATION] = { .type = NLA_U8 },
577 [NL80211_ATTR_TDLS_SUPPORT] = { .type = NLA_FLAG },
578 [NL80211_ATTR_TDLS_EXTERNAL_SETUP] = { .type = NLA_FLAG },
31fa97c5 579 [NL80211_ATTR_TDLS_INITIATOR] = { .type = NLA_FLAG },
e247bd90 580 [NL80211_ATTR_DONT_WAIT_FOR_ACK] = { .type = NLA_FLAG },
00f740e1
AN		 581 [NL80211_ATTR_PROBE_RESP] = { .type = NLA_BINARY,
582 .len = IEEE80211_MAX_DATA_LEN },
8b60b078 583 [NL80211_ATTR_DFS_REGION] = { .type = NLA_U8 },
7e7c8926
BG		 584 [NL80211_ATTR_DISABLE_HT] = { .type = NLA_FLAG },
585 [NL80211_ATTR_HT_CAPABILITY_MASK] = {
586 .len = NL80211_HT_CAPABILITY_LEN
587 },
1d9d9213 588 [NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 },
1b658f11 589 [NL80211_ATTR_INACTIVITY_TIMEOUT] = { .type = NLA_U16 },
4486ea98 590 [NL80211_ATTR_BG_SCAN_PERIOD] = { .type = NLA_U16 },
89a54e48 591 [NL80211_ATTR_WDEV] = { .type = NLA_U64 },
57b5ce07 592 [NL80211_ATTR_USER_REG_HINT_TYPE] = { .type = NLA_U32 },
cb9abd48
JB		 593
594 /* need to include at least Auth Transaction and Status Code */
595 [NL80211_ATTR_AUTH_DATA] = NLA_POLICY_MIN_LEN(4),
596
c7721c05 597 [NL80211_ATTR_VHT_CAPABILITY] = NLA_POLICY_EXACT_LEN_WARN(NL80211_VHT_CAPABILITY_LEN),
ed473771 598 [NL80211_ATTR_SCAN_FLAGS] = { .type = NLA_U32 },
ab0d76f6
JB		 599 [NL80211_ATTR_P2P_CTWINDOW] = NLA_POLICY_MAX(NLA_U8, 127),
600 [NL80211_ATTR_P2P_OPPPS] = NLA_POLICY_MAX(NLA_U8, 1),
601 [NL80211_ATTR_LOCAL_MESH_POWER_MODE] =
602 NLA_POLICY_RANGE(NLA_U32,
603 NL80211_MESH_POWER_UNKNOWN + 1,
604 NL80211_MESH_POWER_MAX),
77765eaf
VT		 605 [NL80211_ATTR_ACL_POLICY] = {. type = NLA_U32 },
606 [NL80211_ATTR_MAC_ADDRS] = { .type = NLA_NESTED },
9d62a986
JM		 607 [NL80211_ATTR_STA_CAPABILITY] = { .type = NLA_U16 },
608 [NL80211_ATTR_STA_EXT_CAPABILITY] = { .type = NLA_BINARY, },
3713b4e3 609 [NL80211_ATTR_SPLIT_WIPHY_DUMP] = { .type = NLA_FLAG, },
ee2aca34
JB		 610 [NL80211_ATTR_DISABLE_VHT] = { .type = NLA_FLAG },
611 [NL80211_ATTR_VHT_CAPABILITY_MASK] = {
612 .len = NL80211_VHT_CAPABILITY_LEN,
613 },
355199e0
JM		 614 [NL80211_ATTR_MDID] = { .type = NLA_U16 },
615 [NL80211_ATTR_IE_RIC] = { .type = NLA_BINARY,
616 .len = IEEE80211_MAX_DATA_LEN },
0e1a1d85 617 [NL80211_ATTR_CRIT_PROT_ID] = { .type = NLA_U16 },
cb9abd48
JB		 618 [NL80211_ATTR_MAX_CRIT_PROT_DURATION] =
619 NLA_POLICY_MAX(NLA_U16, NL80211_CRIT_PROTO_MAX_DURATION),
ab0d76f6
JB		 620 [NL80211_ATTR_PEER_AID] =
621 NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
16ef1fe2
SW		 622 [NL80211_ATTR_CH_SWITCH_COUNT] = { .type = NLA_U32 },
623 [NL80211_ATTR_CH_SWITCH_BLOCK_TX] = { .type = NLA_FLAG },
624 [NL80211_ATTR_CSA_IES] = { .type = NLA_NESTED },
00c207ed
JC		 625 [NL80211_ATTR_CNTDWN_OFFS_BEACON] = { .type = NLA_BINARY },
626 [NL80211_ATTR_CNTDWN_OFFS_PRESP] = { .type = NLA_BINARY },
cb9abd48 627 [NL80211_ATTR_STA_SUPPORTED_CHANNELS] = NLA_POLICY_MIN_LEN(2),
c8b82802
JB		 628 /*
629 * The value of the Length field of the Supported Operating
630 * Classes element is between 2 and 253.
631 */
632 [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES] =
633 NLA_POLICY_RANGE(NLA_BINARY, 2, 253),
5336fa88 634 [NL80211_ATTR_HANDLE_DFS] = { .type = NLA_FLAG },
60f4a7b1 635 [NL80211_ATTR_OPMODE_NOTIF] = { .type = NLA_U8 },
ad7e718c
JB		 636 [NL80211_ATTR_VENDOR_ID] = { .type = NLA_U32 },
637 [NL80211_ATTR_VENDOR_SUBCMD] = { .type = NLA_U32 },
638 [NL80211_ATTR_VENDOR_DATA] = { .type = NLA_BINARY },
c8b82802
JB		 639 [NL80211_ATTR_QOS_MAP] = NLA_POLICY_RANGE(NLA_BINARY,
640 IEEE80211_QOS_MAP_LEN_MIN,
641 IEEE80211_QOS_MAP_LEN_MAX),
c7721c05 642 [NL80211_ATTR_MAC_HINT] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
1df4a510 643 [NL80211_ATTR_WIPHY_FREQ_HINT] = { .type = NLA_U32 },
df942e7b 644 [NL80211_ATTR_TDLS_PEER_CAPABILITY] = { .type = NLA_U32 },
18e5ca65 645 [NL80211_ATTR_SOCKET_OWNER] = { .type = NLA_FLAG },
34d22ce2 646 [NL80211_ATTR_CSA_C_OFFSETS_TX] = { .type = NLA_BINARY },
bab5ab7d 647 [NL80211_ATTR_USE_RRM] = { .type = NLA_FLAG },
ab0d76f6
JB		 648 [NL80211_ATTR_TSID] = NLA_POLICY_MAX(NLA_U8, IEEE80211_NUM_TIDS - 1),
649 [NL80211_ATTR_USER_PRIO] =
650 NLA_POLICY_MAX(NLA_U8, IEEE80211_NUM_UPS - 1),
960d01ac 651 [NL80211_ATTR_ADMITTED_TIME] = { .type = NLA_U16 },
18998c38 652 [NL80211_ATTR_SMPS_MODE] = { .type = NLA_U8 },
5cde05c6 653 [NL80211_ATTR_OPER_CLASS] = { .type = NLA_U8 },
c7721c05 654 [NL80211_ATTR_MAC_MASK] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
1bdd716c 655 [NL80211_ATTR_WIPHY_SELF_MANAGED_REG] = { .type = NLA_FLAG },
4b681c82 656 [NL80211_ATTR_NETNS_FD] = { .type = NLA_U32 },
9c748934 657 [NL80211_ATTR_SCHED_SCAN_DELAY] = { .type = NLA_U32 },
05050753 658 [NL80211_ATTR_REG_INDOOR] = { .type = NLA_FLAG },
34d50519 659 [NL80211_ATTR_PBSS] = { .type = NLA_FLAG },
38de03d2 660 [NL80211_ATTR_BSS_SELECT] = { .type = NLA_NESTED },
ab0d76f6
JB		 661 [NL80211_ATTR_STA_SUPPORT_P2P_PS] =
662 NLA_POLICY_MAX(NLA_U8, NUM_NL80211_P2P_PS_STATUS - 1),
c6e6a0c8
AE		 663 [NL80211_ATTR_MU_MIMO_GROUP_DATA] = {
664 .len = VHT_MUMIMO_GROUPS_DATA_LEN
665 },
c7721c05 666 [NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
ab0d76f6 667 [NL80211_ATTR_NAN_MASTER_PREF] = NLA_POLICY_MIN(NLA_U8, 1),
8585989d 668 [NL80211_ATTR_BANDS] = { .type = NLA_U32 },
a442b761 669 [NL80211_ATTR_NAN_FUNC] = { .type = NLA_NESTED },
348bd456
JM		 670 [NL80211_ATTR_FILS_KEK] = { .type = NLA_BINARY,
671 .len = FILS_MAX_KEK_LEN },
c7721c05 672 [NL80211_ATTR_FILS_NONCES] = NLA_POLICY_EXACT_LEN_WARN(2 * FILS_NONCE_LEN),
ce0ce13a 673 [NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED] = { .type = NLA_FLAG, },
c7721c05 674 [NL80211_ATTR_BSSID] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
bf95ecdb 675 [NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] = { .type = NLA_S8 },
676 [NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST] = {
677 .len = sizeof(struct nl80211_bss_select_rssi_adjust)
678 },
3093ebbe 679 [NL80211_ATTR_TIMEOUT_REASON] = { .type = NLA_U32 },
a3caf744
VK		 680 [NL80211_ATTR_FILS_ERP_USERNAME] = { .type = NLA_BINARY,
681 .len = FILS_ERP_MAX_USERNAME_LEN },
682 [NL80211_ATTR_FILS_ERP_REALM] = { .type = NLA_BINARY,
683 .len = FILS_ERP_MAX_REALM_LEN },
684 [NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] = { .type = NLA_U16 },
685 [NL80211_ATTR_FILS_ERP_RRK] = { .type = NLA_BINARY,
686 .len = FILS_ERP_MAX_RRK_LEN },
c7721c05 687 [NL80211_ATTR_FILS_CACHE_ID] = NLA_POLICY_EXACT_LEN_WARN(2),
a3caf744 688 [NL80211_ATTR_PMK] = { .type = NLA_BINARY, .len = PMK_MAX_LEN },
cb9abd48 689 [NL80211_ATTR_PMKR0_NAME] = NLA_POLICY_EXACT_LEN(WLAN_PMK_NAME_LEN),
ca986ad9 690 [NL80211_ATTR_SCHED_SCAN_MULTI] = { .type = NLA_FLAG },
40cbfa90 691 [NL80211_ATTR_EXTERNAL_AUTH_SUPPORT] = { .type = NLA_FLAG },
52539ca8
THJ		 692
693 [NL80211_ATTR_TXQ_LIMIT] = { .type = NLA_U32 },
694 [NL80211_ATTR_TXQ_MEMORY_LIMIT] = { .type = NLA_U32 },
695 [NL80211_ATTR_TXQ_QUANTUM] = { .type = NLA_U32 },
c8b82802
JB		 696 [NL80211_ATTR_HE_CAPABILITY] =
697 NLA_POLICY_RANGE(NLA_BINARY,
698 NL80211_HE_MIN_CAPABILITY_LEN,
699 NL80211_HE_MAX_CAPABILITY_LEN),
0e012b4e
JB		 700 [NL80211_ATTR_FTM_RESPONDER] =
701 NLA_POLICY_NESTED(nl80211_ftm_responder_policy),
9bb7e0f2
JB		 702 [NL80211_ATTR_TIMEOUT] = NLA_POLICY_MIN(NLA_U32, 1),
703 [NL80211_ATTR_PEER_MEASUREMENTS] =
23323289 704 NLA_POLICY_NESTED(nl80211_pmsr_attr_policy),
36647055 705 [NL80211_ATTR_AIRTIME_WEIGHT] = NLA_POLICY_MIN(NLA_U16, 1),
26f7044e
CHH		 706 [NL80211_ATTR_SAE_PASSWORD] = { .type = NLA_BINARY,
707 .len = SAE_PASSWORD_MAX_LEN },
a0de1ca3 708 [NL80211_ATTR_TWT_RESPONDER] = { .type = NLA_FLAG },
796e90f4 709 [NL80211_ATTR_HE_OBSS_PD] = NLA_POLICY_NESTED(he_obss_pd_policy),
14f34e36 710 [NL80211_ATTR_VLAN_ID] = NLA_POLICY_RANGE(NLA_U16, 1, VLAN_N_VID - 2),
5c5e52d1 711 [NL80211_ATTR_HE_BSS_COLOR] = NLA_POLICY_NESTED(he_bss_color_policy),
77f576de
T		 712 [NL80211_ATTR_TID_CONFIG] =
713 NLA_POLICY_NESTED_ARRAY(nl80211_tid_config_attr_policy),
5631d96a 714 [NL80211_ATTR_CONTROL_PORT_NO_PREAUTH] = { .type = NLA_FLAG },
7fc82af8
VJ		 715 [NL80211_ATTR_PMK_LIFETIME] = NLA_POLICY_MIN(NLA_U32, 1),
716 [NL80211_ATTR_PMK_REAUTH_THRESHOLD] = NLA_POLICY_RANGE(NLA_U8, 1, 100),
9dba48a6 717 [NL80211_ATTR_RECEIVE_MULTICAST] = { .type = NLA_FLAG },
942ba88b 718 [NL80211_ATTR_WIPHY_FREQ_OFFSET] = NLA_POLICY_RANGE(NLA_U32, 0, 999),
2032f3b2 719 [NL80211_ATTR_SCAN_FREQ_KHZ] = { .type = NLA_NESTED },
8140860c
JB		 720 [NL80211_ATTR_HE_6GHZ_CAPABILITY] =
721 NLA_POLICY_EXACT_LEN(sizeof(struct ieee80211_he_6ghz_capa)),
291c49de
AD		 722 [NL80211_ATTR_FILS_DISCOVERY] =
723 NLA_POLICY_NESTED(nl80211_fils_discovery_policy),
7443dcd1
AD		 724 [NL80211_ATTR_UNSOL_BCAST_PROBE_RESP] =
725 NLA_POLICY_NESTED(nl80211_unsol_bcast_probe_resp_policy),
d2b7588a
TP		 726 [NL80211_ATTR_S1G_CAPABILITY] =
727 NLA_POLICY_EXACT_LEN(IEEE80211_S1G_CAPABILITY_LEN),
728 [NL80211_ATTR_S1G_CAPABILITY_MASK] =
729 NLA_POLICY_EXACT_LEN(IEEE80211_S1G_CAPABILITY_LEN),
9f0ffa41
RD		 730 [NL80211_ATTR_SAE_PWE] =
731 NLA_POLICY_RANGE(NLA_U8, NL80211_SAE_PWE_HUNT_AND_PECK,
732 NL80211_SAE_PWE_BOTH),
3bb02143 733 [NL80211_ATTR_RECONNECT_REQUESTED] = { .type = NLA_REJECT },
6bdb68ce 734 [NL80211_ATTR_SAR_SPEC] = NLA_POLICY_NESTED(sar_policy),
55682965
JB		 735};
736
e31b8213 737/* policy for the key attributes */
b54452b0 738static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = {
fffd0934 739 [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN },
b9454e83
JB		 740 [NL80211_KEY_IDX] = { .type = NLA_U8 },
741 [NL80211_KEY_CIPHER] = { .type = NLA_U32 },
81962267 742 [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
b9454e83
JB		 743 [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG },
744 [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG },
ab0d76f6 745 [NL80211_KEY_TYPE] = NLA_POLICY_MAX(NLA_U32, NUM_NL80211_KEYTYPES - 1),
dbd2fd65 746 [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
6cdd3979 747 [NL80211_KEY_MODE] = NLA_POLICY_RANGE(NLA_U8, 0, NL80211_KEY_SET_TX),
dbd2fd65
JB		 748};
749
750/* policy for the key default flags */
751static const struct nla_policy
752nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = {
753 [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG },
754 [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG },
b9454e83
JB		 755};
756
f83ace3b 757#ifdef CONFIG_PM
ff1b6e69
JB		 758/* policy for WoWLAN attributes */
759static const struct nla_policy
760nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = {
761 [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG },
762 [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG },
763 [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG },
764 [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED },
77dbbb13
JB		 765 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG },
766 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG },
767 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG },
768 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG },
2a0e047e 769 [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED },
8cd4d456 770 [NL80211_WOWLAN_TRIG_NET_DETECT] = { .type = NLA_NESTED },
2a0e047e
JB		 771};
772
773static const struct nla_policy
774nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = {
775 [NL80211_WOWLAN_TCP_SRC_IPV4] = { .type = NLA_U32 },
776 [NL80211_WOWLAN_TCP_DST_IPV4] = { .type = NLA_U32 },
c7721c05 777 [NL80211_WOWLAN_TCP_DST_MAC] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
2a0e047e
JB		 778 [NL80211_WOWLAN_TCP_SRC_PORT] = { .type = NLA_U16 },
779 [NL80211_WOWLAN_TCP_DST_PORT] = { .type = NLA_U16 },
bc043585 780 [NL80211_WOWLAN_TCP_DATA_PAYLOAD] = NLA_POLICY_MIN_LEN(1),
2a0e047e
JB		 781 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ] = {
782 .len = sizeof(struct nl80211_wowlan_tcp_data_seq)
783 },
784 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN] = {
785 .len = sizeof(struct nl80211_wowlan_tcp_data_token)
786 },
787 [NL80211_WOWLAN_TCP_DATA_INTERVAL] = { .type = NLA_U32 },
bc043585
JB		 788 [NL80211_WOWLAN_TCP_WAKE_PAYLOAD] = NLA_POLICY_MIN_LEN(1),
789 [NL80211_WOWLAN_TCP_WAKE_MASK] = NLA_POLICY_MIN_LEN(1),
ff1b6e69 790};
f83ace3b 791#endif /* CONFIG_PM */
ff1b6e69 792
be29b99a
AK		 793/* policy for coalesce rule attributes */
794static const struct nla_policy
795nl80211_coalesce_policy[NUM_NL80211_ATTR_COALESCE_RULE] = {
796 [NL80211_ATTR_COALESCE_RULE_DELAY] = { .type = NLA_U32 },
ab0d76f6
JB		 797 [NL80211_ATTR_COALESCE_RULE_CONDITION] =
798 NLA_POLICY_RANGE(NLA_U32,
799 NL80211_COALESCE_CONDITION_MATCH,
800 NL80211_COALESCE_CONDITION_NO_MATCH),
be29b99a
AK		 801 [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN] = { .type = NLA_NESTED },
802};
803
e5497d76
JB		 804/* policy for GTK rekey offload attributes */
805static const struct nla_policy
806nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = {
093a48d2
NE		 807 [NL80211_REKEY_DATA_KEK] = {
808 .type = NLA_BINARY,
809 .len = NL80211_KEK_EXT_LEN
810 },
811 [NL80211_REKEY_DATA_KCK] = {
812 .type = NLA_BINARY,
813 .len = NL80211_KCK_EXT_LEN
814 },
cb9abd48 815 [NL80211_REKEY_DATA_REPLAY_CTR] = NLA_POLICY_EXACT_LEN(NL80211_REPLAY_CTR_LEN),
093a48d2 816 [NL80211_REKEY_DATA_AKM] = { .type = NLA_U32 },
e5497d76
JB		 817};
818
1e1b11b6 819static const struct nla_policy
820nl80211_match_band_rssi_policy[NUM_NL80211_BANDS] = {
821 [NL80211_BAND_2GHZ] = { .type = NLA_S32 },
822 [NL80211_BAND_5GHZ] = { .type = NLA_S32 },
e548a1c3 823 [NL80211_BAND_6GHZ] = { .type = NLA_S32 },
1e1b11b6 824 [NL80211_BAND_60GHZ] = { .type = NLA_S32 },
825};
826
a1f1c21c
LC		 827static const struct nla_policy
828nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = {
4a4ab0d7 829 [NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY,
a1f1c21c 830 .len = IEEE80211_MAX_SSID_LEN },
c7721c05 831 [NL80211_SCHED_SCAN_MATCH_ATTR_BSSID] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
88e920b4 832 [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 },
1e1b11b6 833 [NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI] =
834 NLA_POLICY_NESTED(nl80211_match_band_rssi_policy),
a1f1c21c
LC		 835};
836
3b06d277
AS		 837static const struct nla_policy
838nl80211_plan_policy[NL80211_SCHED_SCAN_PLAN_MAX + 1] = {
839 [NL80211_SCHED_SCAN_PLAN_INTERVAL] = { .type = NLA_U32 },
840 [NL80211_SCHED_SCAN_PLAN_ITERATIONS] = { .type = NLA_U32 },
841};
842
38de03d2
AS		 843static const struct nla_policy
844nl80211_bss_select_policy[NL80211_BSS_SELECT_ATTR_MAX + 1] = {
845 [NL80211_BSS_SELECT_ATTR_RSSI] = { .type = NLA_FLAG },
846 [NL80211_BSS_SELECT_ATTR_BAND_PREF] = { .type = NLA_U32 },
847 [NL80211_BSS_SELECT_ATTR_RSSI_ADJUST] = {
848 .len = sizeof(struct nl80211_bss_select_rssi_adjust)
849 },
850};
851
a442b761
AB		 852/* policy for NAN function attributes */
853static const struct nla_policy
854nl80211_nan_func_policy[NL80211_NAN_FUNC_ATTR_MAX + 1] = {
cb9abd48
JB		 855 [NL80211_NAN_FUNC_TYPE] =
856 NLA_POLICY_MAX(NLA_U8, NL80211_NAN_FUNC_MAX_TYPE),
0a27844c 857 [NL80211_NAN_FUNC_SERVICE_ID] = {
a442b761
AB		 858 .len = NL80211_NAN_FUNC_SERVICE_ID_LEN },
859 [NL80211_NAN_FUNC_PUBLISH_TYPE] = { .type = NLA_U8 },
860 [NL80211_NAN_FUNC_PUBLISH_BCAST] = { .type = NLA_FLAG },
861 [NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE] = { .type = NLA_FLAG },
862 [NL80211_NAN_FUNC_FOLLOW_UP_ID] = { .type = NLA_U8 },
863 [NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] = { .type = NLA_U8 },
c7721c05 864 [NL80211_NAN_FUNC_FOLLOW_UP_DEST] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
a442b761
AB		 865 [NL80211_NAN_FUNC_CLOSE_RANGE] = { .type = NLA_FLAG },
866 [NL80211_NAN_FUNC_TTL] = { .type = NLA_U32 },
867 [NL80211_NAN_FUNC_SERVICE_INFO] = { .type = NLA_BINARY,
868 .len = NL80211_NAN_FUNC_SERVICE_SPEC_INFO_MAX_LEN },
869 [NL80211_NAN_FUNC_SRF] = { .type = NLA_NESTED },
870 [NL80211_NAN_FUNC_RX_MATCH_FILTER] = { .type = NLA_NESTED },
871 [NL80211_NAN_FUNC_TX_MATCH_FILTER] = { .type = NLA_NESTED },
872 [NL80211_NAN_FUNC_INSTANCE_ID] = { .type = NLA_U8 },
873 [NL80211_NAN_FUNC_TERM_REASON] = { .type = NLA_U8 },
874};
875
876/* policy for Service Response Filter attributes */
877static const struct nla_policy
878nl80211_nan_srf_policy[NL80211_NAN_SRF_ATTR_MAX + 1] = {
879 [NL80211_NAN_SRF_INCLUDE] = { .type = NLA_FLAG },
880 [NL80211_NAN_SRF_BF] = { .type = NLA_BINARY,
881 .len = NL80211_NAN_FUNC_SRF_MAX_LEN },
882 [NL80211_NAN_SRF_BF_IDX] = { .type = NLA_U8 },
883 [NL80211_NAN_SRF_MAC_ADDRS] = { .type = NLA_NESTED },
884};
885
ad670233
PX		 886/* policy for packet pattern attributes */
887static const struct nla_policy
888nl80211_packet_pattern_policy[MAX_NL80211_PKTPAT + 1] = {
889 [NL80211_PKTPAT_MASK] = { .type = NLA_BINARY, },
890 [NL80211_PKTPAT_PATTERN] = { .type = NLA_BINARY, },
891 [NL80211_PKTPAT_OFFSET] = { .type = NLA_U32 },
892};
893
9bb7e0f2
JB		 894int nl80211_prepare_wdev_dump(struct netlink_callback *cb,
895 struct cfg80211_registered_device **rdev,
896 struct wireless_dev **wdev)
a043897a 897{
97990a06 898 int err;
a043897a 899
97990a06 900 if (!cb->args[0]) {
50508d94
JB		 901 struct nlattr **attrbuf;
902
903 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf),
904 GFP_KERNEL);
905 if (!attrbuf)
906 return -ENOMEM;
907
8cb08174
JB		 908 err = nlmsg_parse_deprecated(cb->nlh,
909 GENL_HDRLEN + nl80211_fam.hdrsize,
50508d94 910 attrbuf, nl80211_fam.maxattr,
8cb08174 911 nl80211_policy, NULL);
50508d94
JB		 912 if (err) {
913 kfree(attrbuf);
ea90e0dc 914 return err;
50508d94 915 }
67748893 916
50508d94
JB		 917 *wdev = __cfg80211_wdev_from_attrs(sock_net(cb->skb->sk),
918 attrbuf);
919 kfree(attrbuf);
ea90e0dc
JB		 920 if (IS_ERR(*wdev))
921 return PTR_ERR(*wdev);
f26cbf40 922 *rdev = wiphy_to_rdev((*wdev)->wiphy);
c319d50b
JB		 923 /* 0 is the first index - add 1 to parse only once */
924 cb->args[0] = (*rdev)->wiphy_idx + 1;
97990a06
JB		 925 cb->args[1] = (*wdev)->identifier;
926 } else {
c319d50b
JB		 927 /* subtract the 1 again here */
928 struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
97990a06 929 struct wireless_dev *tmp;
67748893 930
ea90e0dc
JB		 931 if (!wiphy)
932 return -ENODEV;
f26cbf40 933 *rdev = wiphy_to_rdev(wiphy);
97990a06 934 *wdev = NULL;
67748893 935
53873f13 936 list_for_each_entry(tmp, &(*rdev)->wiphy.wdev_list, list) {
97990a06
JB		 937 if (tmp->identifier == cb->args[1]) {
938 *wdev = tmp;
939 break;
940 }
941 }
67748893 942
ea90e0dc
JB		 943 if (!*wdev)
944 return -ENODEV;
67748893
JB		 945 }
946
67748893 947 return 0;
67748893
JB		 948}
949
55682965 950/* message building helper */
9bb7e0f2
JB		 951void *nl80211hdr_put(struct sk_buff *skb, u32 portid, u32 seq,
952 int flags, u8 cmd)
55682965
JB		 953{
954 /* since there is no private header just add the generic one */
15e47304 955 return genlmsg_put(skb, portid, seq, &nl80211_fam, flags, cmd);
55682965
JB		 956}
957
50f32718
HD		 958static int nl80211_msg_put_wmm_rules(struct sk_buff *msg,
959 const struct ieee80211_reg_rule *rule)
960{
961 int j;
962 struct nlattr *nl_wmm_rules =
ae0be8de 963 nla_nest_start_noflag(msg, NL80211_FREQUENCY_ATTR_WMM);
50f32718
HD		 964
965 if (!nl_wmm_rules)
966 goto nla_put_failure;
967
968 for (j = 0; j < IEEE80211_NUM_ACS; j++) {
ae0be8de 969 struct nlattr *nl_wmm_rule = nla_nest_start_noflag(msg, j);
50f32718
HD		 970
971 if (!nl_wmm_rule)
972 goto nla_put_failure;
973
974 if (nla_put_u16(msg, NL80211_WMMR_CW_MIN,
38cb87ee 975 rule->wmm_rule.client[j].cw_min) ||
50f32718 976 nla_put_u16(msg, NL80211_WMMR_CW_MAX,
38cb87ee 977 rule->wmm_rule.client[j].cw_max) ||
50f32718 978 nla_put_u8(msg, NL80211_WMMR_AIFSN,
38cb87ee 979 rule->wmm_rule.client[j].aifsn) ||
d3c89bbc
HD		 980 nla_put_u16(msg, NL80211_WMMR_TXOP,
981 rule->wmm_rule.client[j].cot))
50f32718
HD		 982 goto nla_put_failure;
983
984 nla_nest_end(msg, nl_wmm_rule);
985 }
986 nla_nest_end(msg, nl_wmm_rules);
987
988 return 0;
989
990nla_put_failure:
991 return -ENOBUFS;
992}
993
994static int nl80211_msg_put_channel(struct sk_buff *msg, struct wiphy *wiphy,
cdc89b97
JB		 995 struct ieee80211_channel *chan,
996 bool large)
5dab3b8a 997{
ea077c1c
RL		 998 /* Some channels must be completely excluded from the
999 * list to protect old user-space tools from breaking
1000 */
1001 if (!large && chan->flags &
1002 (IEEE80211_CHAN_NO_10MHZ | IEEE80211_CHAN_NO_20MHZ))
1003 return 0;
f8d504ca
JB		 1004 if (!large && chan->freq_offset)
1005 return 0;
ea077c1c 1006
9360ffd1
DM		 1007 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_FREQ,
1008 chan->center_freq))
1009 goto nla_put_failure;
5dab3b8a 1010
942ba88b
TP		 1011 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_OFFSET, chan->freq_offset))
1012 goto nla_put_failure;
1013
9360ffd1
DM		 1014 if ((chan->flags & IEEE80211_CHAN_DISABLED) &&
1015 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DISABLED))
1016 goto nla_put_failure;
8fe02e16
LR		 1017 if (chan->flags & IEEE80211_CHAN_NO_IR) {
1018 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IR))
1019 goto nla_put_failure;
1020 if (nla_put_flag(msg, __NL80211_FREQUENCY_ATTR_NO_IBSS))
1021 goto nla_put_failure;
1022 }
cdc89b97
JB		 1023 if (chan->flags & IEEE80211_CHAN_RADAR) {
1024 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR))
1025 goto nla_put_failure;
1026 if (large) {
1027 u32 time;
1028
1029 time = elapsed_jiffies_msecs(chan->dfs_state_entered);
1030
1031 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_STATE,
1032 chan->dfs_state))
1033 goto nla_put_failure;
1034 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_TIME,
1035 time))
1036 goto nla_put_failure;
089027e5
JD		 1037 if (nla_put_u32(msg,
1038 NL80211_FREQUENCY_ATTR_DFS_CAC_TIME,
1039 chan->dfs_cac_ms))
1040 goto nla_put_failure;
cdc89b97
JB		 1041 }
1042 }
5dab3b8a 1043
fe1abafd
JB		 1044 if (large) {
1045 if ((chan->flags & IEEE80211_CHAN_NO_HT40MINUS) &&
1046 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS))
1047 goto nla_put_failure;
1048 if ((chan->flags & IEEE80211_CHAN_NO_HT40PLUS) &&
1049 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS))
1050 goto nla_put_failure;
1051 if ((chan->flags & IEEE80211_CHAN_NO_80MHZ) &&
1052 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_80MHZ))
1053 goto nla_put_failure;
1054 if ((chan->flags & IEEE80211_CHAN_NO_160MHZ) &&
1055 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_160MHZ))
1056 goto nla_put_failure;
570dbde1
DS		 1057 if ((chan->flags & IEEE80211_CHAN_INDOOR_ONLY) &&
1058 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_INDOOR_ONLY))
1059 goto nla_put_failure;
06f207fc
AN		 1060 if ((chan->flags & IEEE80211_CHAN_IR_CONCURRENT) &&
1061 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_IR_CONCURRENT))
570dbde1 1062 goto nla_put_failure;
ea077c1c
RL		 1063 if ((chan->flags & IEEE80211_CHAN_NO_20MHZ) &&
1064 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_20MHZ))
1065 goto nla_put_failure;
1066 if ((chan->flags & IEEE80211_CHAN_NO_10MHZ) &&
1067 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_10MHZ))
1068 goto nla_put_failure;
1e61d82c
HD		 1069 if ((chan->flags & IEEE80211_CHAN_NO_HE) &&
1070 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HE))
1071 goto nla_put_failure;
d65a9770
TP		 1072 if ((chan->flags & IEEE80211_CHAN_1MHZ) &&
1073 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_1MHZ))
1074 goto nla_put_failure;
1075 if ((chan->flags & IEEE80211_CHAN_2MHZ) &&
1076 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_2MHZ))
1077 goto nla_put_failure;
1078 if ((chan->flags & IEEE80211_CHAN_4MHZ) &&
1079 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_4MHZ))
1080 goto nla_put_failure;
1081 if ((chan->flags & IEEE80211_CHAN_8MHZ) &&
1082 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_8MHZ))
1083 goto nla_put_failure;
1084 if ((chan->flags & IEEE80211_CHAN_16MHZ) &&
1085 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_16MHZ))
1086 goto nla_put_failure;
fe1abafd
JB		 1087 }
1088
9360ffd1
DM		 1089 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER,
1090 DBM_TO_MBM(chan->max_power)))
1091 goto nla_put_failure;
5dab3b8a 1092
50f32718
HD		 1093 if (large) {
1094 const struct ieee80211_reg_rule *rule =
b88d26d9 1095 freq_reg_info(wiphy, MHZ_TO_KHZ(chan->center_freq));
50f32718 1096
38cb87ee 1097 if (!IS_ERR_OR_NULL(rule) && rule->has_wmm) {
50f32718
HD		 1098 if (nl80211_msg_put_wmm_rules(msg, rule))
1099 goto nla_put_failure;
1100 }
1101 }
1102
5dab3b8a
LR		 1103 return 0;
1104
1105 nla_put_failure:
1106 return -ENOBUFS;
1107}
1108
52539ca8
THJ		 1109static bool nl80211_put_txq_stats(struct sk_buff *msg,
1110 struct cfg80211_txq_stats *txqstats,
1111 int attrtype)
1112{
1113 struct nlattr *txqattr;
1114
1115#define PUT_TXQVAL_U32(attr, memb) do { \
1116 if (txqstats->filled & BIT(NL80211_TXQ_STATS_ ## attr) && \
1117 nla_put_u32(msg, NL80211_TXQ_STATS_ ## attr, txqstats->memb)) \
1118 return false; \
1119 } while (0)
1120
ae0be8de 1121 txqattr = nla_nest_start_noflag(msg, attrtype);
52539ca8
THJ		 1122 if (!txqattr)
1123 return false;
1124
1125 PUT_TXQVAL_U32(BACKLOG_BYTES, backlog_bytes);
1126 PUT_TXQVAL_U32(BACKLOG_PACKETS, backlog_packets);
1127 PUT_TXQVAL_U32(FLOWS, flows);
1128 PUT_TXQVAL_U32(DROPS, drops);
1129 PUT_TXQVAL_U32(ECN_MARKS, ecn_marks);
1130 PUT_TXQVAL_U32(OVERLIMIT, overlimit);
1131 PUT_TXQVAL_U32(OVERMEMORY, overmemory);
1132 PUT_TXQVAL_U32(COLLISIONS, collisions);
1133 PUT_TXQVAL_U32(TX_BYTES, tx_bytes);
1134 PUT_TXQVAL_U32(TX_PACKETS, tx_packets);
1135 PUT_TXQVAL_U32(MAX_FLOWS, max_flows);
1136 nla_nest_end(msg, txqattr);
1137
1138#undef PUT_TXQVAL_U32
1139 return true;
1140}
1141
55682965
JB		 1142/* netlink command implementations */
1143
b9454e83
JB		 1144struct key_parse {
1145 struct key_params p;
1146 int idx;
e31b8213 1147 int type;
56be393f 1148 bool def, defmgmt, defbeacon;
dbd2fd65 1149 bool def_uni, def_multi;
b9454e83
JB		 1150};
1151
768075eb
JB		 1152static int nl80211_parse_key_new(struct genl_info *info, struct nlattr *key,
1153 struct key_parse *k)
b9454e83
JB		 1154{
1155 struct nlattr *tb[NL80211_KEY_MAX + 1];
8cb08174
JB		 1156 int err = nla_parse_nested_deprecated(tb, NL80211_KEY_MAX, key,
1157 nl80211_key_policy,
1158 info->extack);
b9454e83
JB		 1159 if (err)
1160 return err;
1161
1162 k->def = !!tb[NL80211_KEY_DEFAULT];
1163 k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT];
56be393f 1164 k->defbeacon = !!tb[NL80211_KEY_DEFAULT_BEACON];
b9454e83 1165
dbd2fd65
JB		 1166 if (k->def) {
1167 k->def_uni = true;
1168 k->def_multi = true;
1169 }
56be393f 1170 if (k->defmgmt || k->defbeacon)
dbd2fd65
JB		 1171 k->def_multi = true;
1172
b9454e83
JB		 1173 if (tb[NL80211_KEY_IDX])
1174 k->idx = nla_get_u8(tb[NL80211_KEY_IDX]);
1175
1176 if (tb[NL80211_KEY_DATA]) {
1177 k->p.key = nla_data(tb[NL80211_KEY_DATA]);
1178 k->p.key_len = nla_len(tb[NL80211_KEY_DATA]);
1179 }
1180
1181 if (tb[NL80211_KEY_SEQ]) {
1182 k->p.seq = nla_data(tb[NL80211_KEY_SEQ]);
1183 k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]);
1184 }
1185
1186 if (tb[NL80211_KEY_CIPHER])
1187 k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]);
1188
ab0d76f6 1189 if (tb[NL80211_KEY_TYPE])
e31b8213 1190 k->type = nla_get_u32(tb[NL80211_KEY_TYPE]);
e31b8213 1191
dbd2fd65
JB		 1192 if (tb[NL80211_KEY_DEFAULT_TYPES]) {
1193 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
7a087e74 1194
8cb08174
JB		 1195 err = nla_parse_nested_deprecated(kdt,
1196 NUM_NL80211_KEY_DEFAULT_TYPES - 1,
1197 tb[NL80211_KEY_DEFAULT_TYPES],
1198 nl80211_key_default_policy,
1199 info->extack);
dbd2fd65
JB		 1200 if (err)
1201 return err;
1202
1203 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
1204 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
1205 }
1206
6cdd3979
AW		 1207 if (tb[NL80211_KEY_MODE])
1208 k->p.mode = nla_get_u8(tb[NL80211_KEY_MODE]);
1209
b9454e83
JB		 1210 return 0;
1211}
1212
1213static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k)
1214{
1215 if (info->attrs[NL80211_ATTR_KEY_DATA]) {
1216 k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]);
1217 k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]);
1218 }
1219
1220 if (info->attrs[NL80211_ATTR_KEY_SEQ]) {
1221 k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]);
1222 k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]);
1223 }
1224
1225 if (info->attrs[NL80211_ATTR_KEY_IDX])
1226 k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
1227
1228 if (info->attrs[NL80211_ATTR_KEY_CIPHER])
1229 k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]);
1230
1231 k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT];
1232 k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT];
1233
dbd2fd65
JB		 1234 if (k->def) {
1235 k->def_uni = true;
1236 k->def_multi = true;
1237 }
1238 if (k->defmgmt)
1239 k->def_multi = true;
1240
ab0d76f6 1241 if (info->attrs[NL80211_ATTR_KEY_TYPE])
e31b8213 1242 k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
e31b8213 1243
dbd2fd65
JB		 1244 if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) {
1245 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
8cb08174
JB		 1246 int err = nla_parse_nested_deprecated(kdt,
1247 NUM_NL80211_KEY_DEFAULT_TYPES - 1,
1248 info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES],
1249 nl80211_key_default_policy,
1250 info->extack);
dbd2fd65
JB		 1251 if (err)
1252 return err;
1253
1254 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
1255 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
1256 }
1257
b9454e83
JB		 1258 return 0;
1259}
1260
1261static int nl80211_parse_key(struct genl_info *info, struct key_parse *k)
1262{
1263 int err;
1264
1265 memset(k, 0, sizeof(*k));
1266 k->idx = -1;
e31b8213 1267 k->type = -1;
b9454e83
JB		 1268
1269 if (info->attrs[NL80211_ATTR_KEY])
768075eb 1270 err = nl80211_parse_key_new(info, info->attrs[NL80211_ATTR_KEY], k);
b9454e83
JB		 1271 else
1272 err = nl80211_parse_key_old(info, k);
1273
1274 if (err)
1275 return err;
1276
56be393f
JM		 1277 if ((k->def ? 1 : 0) + (k->defmgmt ? 1 : 0) +
1278 (k->defbeacon ? 1 : 0) > 1) {
1279 GENL_SET_ERR_MSG(info,
1280 "key with multiple default flags is invalid");
b9454e83 1281 return -EINVAL;
768075eb 1282 }
b9454e83 1283
56be393f 1284 if (k->defmgmt || k->defbeacon) {
768075eb 1285 if (k->def_uni || !k->def_multi) {
56be393f
JM		 1286 GENL_SET_ERR_MSG(info,
1287 "defmgmt/defbeacon key must be mcast");
dbd2fd65 1288 return -EINVAL;
768075eb 1289 }
dbd2fd65
JB		 1290 }
1291
b9454e83
JB		 1292 if (k->idx != -1) {
1293 if (k->defmgmt) {
768075eb
JB		 1294 if (k->idx < 4 || k->idx > 5) {
1295 GENL_SET_ERR_MSG(info,
1296 "defmgmt key idx not 4 or 5");
b9454e83 1297 return -EINVAL;
768075eb 1298 }
56be393f
JM		 1299 } else if (k->defbeacon) {
1300 if (k->idx < 6 || k->idx > 7) {
1301 GENL_SET_ERR_MSG(info,
1302 "defbeacon key idx not 6 or 7");
1303 return -EINVAL;
1304 }
b9454e83 1305 } else if (k->def) {
768075eb
JB		 1306 if (k->idx < 0 || k->idx > 3) {
1307 GENL_SET_ERR_MSG(info, "def key idx not 0-3");
b9454e83 1308 return -EINVAL;
768075eb 1309 }
b9454e83 1310 } else {
56be393f
JM		 1311 if (k->idx < 0 || k->idx > 7) {
1312 GENL_SET_ERR_MSG(info, "key idx not 0-7");
b9454e83 1313 return -EINVAL;
768075eb 1314 }
b9454e83
JB		 1315 }
1316 }
1317
1318 return 0;
1319}
1320
fffd0934
JB		 1321static struct cfg80211_cached_keys *
1322nl80211_parse_connkeys(struct cfg80211_registered_device *rdev,
768075eb 1323 struct genl_info *info, bool *no_ht)
fffd0934 1324{
768075eb 1325 struct nlattr *keys = info->attrs[NL80211_ATTR_KEYS];
fffd0934
JB		 1326 struct key_parse parse;
1327 struct nlattr *key;
1328 struct cfg80211_cached_keys *result;
1329 int rem, err, def = 0;
f1c1f17a
JB		 1330 bool have_key = false;
1331
1332 nla_for_each_nested(key, keys, rem) {
1333 have_key = true;
1334 break;
1335 }
1336
1337 if (!have_key)
1338 return NULL;
fffd0934
JB		 1339
1340 result = kzalloc(sizeof(*result), GFP_KERNEL);
1341 if (!result)
1342 return ERR_PTR(-ENOMEM);
1343
1344 result->def = -1;
fffd0934
JB		 1345
1346 nla_for_each_nested(key, keys, rem) {
1347 memset(&parse, 0, sizeof(parse));
1348 parse.idx = -1;
1349
768075eb 1350 err = nl80211_parse_key_new(info, key, &parse);
fffd0934
JB		 1351 if (err)
1352 goto error;
1353 err = -EINVAL;
1354 if (!parse.p.key)
1355 goto error;
768075eb
JB		 1356 if (parse.idx < 0 || parse.idx > 3) {
1357 GENL_SET_ERR_MSG(info, "key index out of range [0-3]");
fffd0934 1358 goto error;
768075eb 1359 }
fffd0934 1360 if (parse.def) {
768075eb
JB		 1361 if (def) {
1362 GENL_SET_ERR_MSG(info,
1363 "only one key can be default");
fffd0934 1364 goto error;
768075eb 1365 }
fffd0934
JB		 1366 def = 1;
1367 result->def = parse.idx;
dbd2fd65
JB		 1368 if (!parse.def_uni || !parse.def_multi)
1369 goto error;
fffd0934
JB		 1370 } else if (parse.defmgmt)
1371 goto error;
1372 err = cfg80211_validate_key_settings(rdev, &parse.p,
e31b8213 1373 parse.idx, false, NULL);
fffd0934
JB		 1374 if (err)
1375 goto error;
386b1f27
JB		 1376 if (parse.p.cipher != WLAN_CIPHER_SUITE_WEP40 &&
1377 parse.p.cipher != WLAN_CIPHER_SUITE_WEP104) {
768075eb 1378 GENL_SET_ERR_MSG(info, "connect key must be WEP");
386b1f27
JB		 1379 err = -EINVAL;
1380 goto error;
1381 }
fffd0934
JB		 1382 result->params[parse.idx].cipher = parse.p.cipher;
1383 result->params[parse.idx].key_len = parse.p.key_len;
1384 result->params[parse.idx].key = result->data[parse.idx];
1385 memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len);
de7044ee 1386
386b1f27
JB		 1387 /* must be WEP key if we got here */
1388 if (no_ht)
1389 *no_ht = true;
fffd0934
JB		 1390 }
1391
f1c1f17a
JB		 1392 if (result->def < 0) {
1393 err = -EINVAL;
768075eb 1394 GENL_SET_ERR_MSG(info, "need a default/TX key");
f1c1f17a
JB		 1395 goto error;
1396 }
1397
fffd0934
JB		 1398 return result;
1399 error:
1400 kfree(result);
1401 return ERR_PTR(err);
1402}
1403
1404static int nl80211_key_allowed(struct wireless_dev *wdev)
1405{
1406 ASSERT_WDEV_LOCK(wdev);
1407
fffd0934
JB		 1408 switch (wdev->iftype) {
1409 case NL80211_IFTYPE_AP:
1410 case NL80211_IFTYPE_AP_VLAN:
074ac8df 1411 case NL80211_IFTYPE_P2P_GO:
ff973af7 1412 case NL80211_IFTYPE_MESH_POINT:
fffd0934
JB		 1413 break;
1414 case NL80211_IFTYPE_ADHOC:
fffd0934 1415 case NL80211_IFTYPE_STATION:
074ac8df 1416 case NL80211_IFTYPE_P2P_CLIENT:
ceca7b71 1417 if (!wdev->current_bss)
fffd0934
JB		 1418 return -ENOLINK;
1419 break;
de4fcbad 1420 case NL80211_IFTYPE_UNSPECIFIED:
6e0bd6c3 1421 case NL80211_IFTYPE_OCB:
de4fcbad 1422 case NL80211_IFTYPE_MONITOR:
cb3b7d87 1423 case NL80211_IFTYPE_NAN:
de4fcbad
JB		 1424 case NL80211_IFTYPE_P2P_DEVICE:
1425 case NL80211_IFTYPE_WDS:
1426 case NUM_NL80211_IFTYPES:
fffd0934
JB		 1427 return -EINVAL;
1428 }
1429
1430 return 0;
1431}
1432
664834de 1433static struct ieee80211_channel *nl80211_get_valid_chan(struct wiphy *wiphy,
942ba88b 1434 u32 freq)
664834de
JM		 1435{
1436 struct ieee80211_channel *chan;
1437
942ba88b 1438 chan = ieee80211_get_channel_khz(wiphy, freq);
664834de
JM		 1439 if (!chan || chan->flags & IEEE80211_CHAN_DISABLED)
1440 return NULL;
1441 return chan;
1442}
1443
7527a782
JB		 1444static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes)
1445{
ae0be8de 1446 struct nlattr *nl_modes = nla_nest_start_noflag(msg, attr);
7527a782
JB		 1447 int i;
1448
1449 if (!nl_modes)
1450 goto nla_put_failure;
1451
1452 i = 0;
1453 while (ifmodes) {
9360ffd1
DM		 1454 if ((ifmodes & 1) && nla_put_flag(msg, i))
1455 goto nla_put_failure;
7527a782
JB		 1456 ifmodes >>= 1;
1457 i++;
1458 }
1459
1460 nla_nest_end(msg, nl_modes);
1461 return 0;
1462
1463nla_put_failure:
1464 return -ENOBUFS;
1465}
1466
1467static int nl80211_put_iface_combinations(struct wiphy *wiphy,
cdc89b97
JB		 1468 struct sk_buff *msg,
1469 bool large)
7527a782
JB		 1470{
1471 struct nlattr *nl_combis;
1472 int i, j;
1473
ae0be8de
MK		 1474 nl_combis = nla_nest_start_noflag(msg,
1475 NL80211_ATTR_INTERFACE_COMBINATIONS);
7527a782
JB		 1476 if (!nl_combis)
1477 goto nla_put_failure;
1478
1479 for (i = 0; i < wiphy->n_iface_combinations; i++) {
1480 const struct ieee80211_iface_combination *c;
1481 struct nlattr *nl_combi, *nl_limits;
1482
1483 c = &wiphy->iface_combinations[i];
1484
ae0be8de 1485 nl_combi = nla_nest_start_noflag(msg, i + 1);
7527a782
JB		 1486 if (!nl_combi)
1487 goto nla_put_failure;
1488
ae0be8de
MK		 1489 nl_limits = nla_nest_start_noflag(msg,
1490 NL80211_IFACE_COMB_LIMITS);
7527a782
JB		 1491 if (!nl_limits)
1492 goto nla_put_failure;
1493
1494 for (j = 0; j < c->n_limits; j++) {
1495 struct nlattr *nl_limit;
1496
ae0be8de 1497 nl_limit = nla_nest_start_noflag(msg, j + 1);
7527a782
JB		 1498 if (!nl_limit)
1499 goto nla_put_failure;
9360ffd1
DM		 1500 if (nla_put_u32(msg, NL80211_IFACE_LIMIT_MAX,
1501 c->limits[j].max))
1502 goto nla_put_failure;
7527a782
JB		 1503 if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES,
1504 c->limits[j].types))
1505 goto nla_put_failure;
1506 nla_nest_end(msg, nl_limit);
1507 }
1508
1509 nla_nest_end(msg, nl_limits);
1510
9360ffd1
DM		 1511 if (c->beacon_int_infra_match &&
1512 nla_put_flag(msg, NL80211_IFACE_COMB_STA_AP_BI_MATCH))
1513 goto nla_put_failure;
1514 if (nla_put_u32(msg, NL80211_IFACE_COMB_NUM_CHANNELS,
1515 c->num_different_channels) ||
1516 nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM,
1517 c->max_interfaces))
1518 goto nla_put_failure;
cdc89b97 1519 if (large &&
8c48b50a
FF		 1520 (nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS,
1521 c->radar_detect_widths) ||
1522 nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS,
1523 c->radar_detect_regions)))
cdc89b97 1524 goto nla_put_failure;
0c317a02
PK		 1525 if (c->beacon_int_min_gcd &&
1526 nla_put_u32(msg, NL80211_IFACE_COMB_BI_MIN_GCD,
1527 c->beacon_int_min_gcd))
1528 goto nla_put_failure;
7527a782
JB		 1529
1530 nla_nest_end(msg, nl_combi);
1531 }
1532
1533 nla_nest_end(msg, nl_combis);
1534
1535 return 0;
1536nla_put_failure:
1537 return -ENOBUFS;
1538}
1539
3713b4e3 1540#ifdef CONFIG_PM
b56cf720
JB		 1541static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev,
1542 struct sk_buff *msg)
1543{
964dc9e2 1544 const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan->tcp;
b56cf720
JB		 1545 struct nlattr *nl_tcp;
1546
1547 if (!tcp)
1548 return 0;
1549
ae0be8de
MK		 1550 nl_tcp = nla_nest_start_noflag(msg,
1551 NL80211_WOWLAN_TRIG_TCP_CONNECTION);
b56cf720
JB		 1552 if (!nl_tcp)
1553 return -ENOBUFS;
1554
1555 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
1556 tcp->data_payload_max))
1557 return -ENOBUFS;
1558
1559 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
1560 tcp->data_payload_max))
1561 return -ENOBUFS;
1562
1563 if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ))
1564 return -ENOBUFS;
1565
1566 if (tcp->tok && nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
1567 sizeof(*tcp->tok), tcp->tok))
1568 return -ENOBUFS;
1569
1570 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
1571 tcp->data_interval_max))
1572 return -ENOBUFS;
1573
1574 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
1575 tcp->wake_payload_max))
1576 return -ENOBUFS;
1577
1578 nla_nest_end(msg, nl_tcp);
1579 return 0;
1580}
1581
3713b4e3 1582static int nl80211_send_wowlan(struct sk_buff *msg,
1b8ec87a 1583 struct cfg80211_registered_device *rdev,
b56cf720 1584 bool large)
55682965 1585{
3713b4e3 1586 struct nlattr *nl_wowlan;
55682965 1587
1b8ec87a 1588 if (!rdev->wiphy.wowlan)
3713b4e3 1589 return 0;
55682965 1590
ae0be8de
MK		 1591 nl_wowlan = nla_nest_start_noflag(msg,
1592 NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED);
3713b4e3
JB		 1593 if (!nl_wowlan)
1594 return -ENOBUFS;
9360ffd1 1595
1b8ec87a 1596 if (((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_ANY) &&
3713b4e3 1597 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
1b8ec87a 1598 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_DISCONNECT) &&
3713b4e3 1599 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
1b8ec87a 1600 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT) &&
3713b4e3 1601 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
1b8ec87a 1602 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) &&
3713b4e3 1603 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED)) ||
1b8ec87a 1604 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) &&
3713b4e3 1605 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
1b8ec87a 1606 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) &&
3713b4e3 1607 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
1b8ec87a 1608 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) &&
3713b4e3 1609 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
1b8ec87a 1610 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE) &&
3713b4e3
JB		 1611 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
1612 return -ENOBUFS;
9360ffd1 1613
1b8ec87a 1614 if (rdev->wiphy.wowlan->n_patterns) {
50ac6607 1615 struct nl80211_pattern_support pat = {
1b8ec87a
ZG		 1616 .max_patterns = rdev->wiphy.wowlan->n_patterns,
1617 .min_pattern_len = rdev->wiphy.wowlan->pattern_min_len,
1618 .max_pattern_len = rdev->wiphy.wowlan->pattern_max_len,
1619 .max_pkt_offset = rdev->wiphy.wowlan->max_pkt_offset,
3713b4e3 1620 };
9360ffd1 1621
3713b4e3
JB		 1622 if (nla_put(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
1623 sizeof(pat), &pat))
1624 return -ENOBUFS;
1625 }
9360ffd1 1626
75453ccb
LC		 1627 if ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_NET_DETECT) &&
1628 nla_put_u32(msg, NL80211_WOWLAN_TRIG_NET_DETECT,
1629 rdev->wiphy.wowlan->max_nd_match_sets))
1630 return -ENOBUFS;
1631
1b8ec87a 1632 if (large && nl80211_send_wowlan_tcp_caps(rdev, msg))
b56cf720
JB		 1633 return -ENOBUFS;
1634
3713b4e3 1635 nla_nest_end(msg, nl_wowlan);
9360ffd1 1636
3713b4e3
JB		 1637 return 0;
1638}
1639#endif
9360ffd1 1640
be29b99a 1641static int nl80211_send_coalesce(struct sk_buff *msg,
1b8ec87a 1642 struct cfg80211_registered_device *rdev)
be29b99a
AK		 1643{
1644 struct nl80211_coalesce_rule_support rule;
1645
1b8ec87a 1646 if (!rdev->wiphy.coalesce)
be29b99a
AK		 1647 return 0;
1648
1b8ec87a
ZG		 1649 rule.max_rules = rdev->wiphy.coalesce->n_rules;
1650 rule.max_delay = rdev->wiphy.coalesce->max_delay;
1651 rule.pat.max_patterns = rdev->wiphy.coalesce->n_patterns;
1652 rule.pat.min_pattern_len = rdev->wiphy.coalesce->pattern_min_len;
1653 rule.pat.max_pattern_len = rdev->wiphy.coalesce->pattern_max_len;
1654 rule.pat.max_pkt_offset = rdev->wiphy.coalesce->max_pkt_offset;
be29b99a
AK		 1655
1656 if (nla_put(msg, NL80211_ATTR_COALESCE_RULE, sizeof(rule), &rule))
1657 return -ENOBUFS;
1658
1659 return 0;
1660}
1661
c4cbaf79
LC		 1662static int
1663nl80211_send_iftype_data(struct sk_buff *msg,
22395217 1664 const struct ieee80211_supported_band *sband,
c4cbaf79
LC		 1665 const struct ieee80211_sband_iftype_data *iftdata)
1666{
1667 const struct ieee80211_sta_he_cap *he_cap = &iftdata->he_cap;
1668
1669 if (nl80211_put_iftypes(msg, NL80211_BAND_IFTYPE_ATTR_IFTYPES,
1670 iftdata->types_mask))
1671 return -ENOBUFS;
1672
1673 if (he_cap->has_he) {
1674 if (nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC,
1675 sizeof(he_cap->he_cap_elem.mac_cap_info),
1676 he_cap->he_cap_elem.mac_cap_info) ||
1677 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY,
1678 sizeof(he_cap->he_cap_elem.phy_cap_info),
1679 he_cap->he_cap_elem.phy_cap_info) ||
1680 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET,
1681 sizeof(he_cap->he_mcs_nss_supp),
1682 &he_cap->he_mcs_nss_supp) ||
1683 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE,
1684 sizeof(he_cap->ppe_thres), he_cap->ppe_thres))
1685 return -ENOBUFS;
1686 }
1687
22395217
JB		 1688 if (sband->band == NL80211_BAND_6GHZ &&
1689 nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_6GHZ_CAPA,
1690 sizeof(iftdata->he_6ghz_capa),
1691 &iftdata->he_6ghz_capa))
1692 return -ENOBUFS;
1693
c4cbaf79
LC		 1694 return 0;
1695}
1696
3713b4e3 1697static int nl80211_send_band_rateinfo(struct sk_buff *msg,
f8d504ca
JB		 1698 struct ieee80211_supported_band *sband,
1699 bool large)
3713b4e3
JB		 1700{
1701 struct nlattr *nl_rates, *nl_rate;
1702 struct ieee80211_rate *rate;
1703 int i;
87bbbe22 1704
3713b4e3
JB		 1705 /* add HT info */
1706 if (sband->ht_cap.ht_supported &&
1707 (nla_put(msg, NL80211_BAND_ATTR_HT_MCS_SET,
1708 sizeof(sband->ht_cap.mcs),
1709 &sband->ht_cap.mcs) ||
1710 nla_put_u16(msg, NL80211_BAND_ATTR_HT_CAPA,
1711 sband->ht_cap.cap) ||
1712 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR,
1713 sband->ht_cap.ampdu_factor) ||
1714 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY,
1715 sband->ht_cap.ampdu_density)))
1716 return -ENOBUFS;
afe0cbf8 1717
3713b4e3
JB		 1718 /* add VHT info */
1719 if (sband->vht_cap.vht_supported &&
1720 (nla_put(msg, NL80211_BAND_ATTR_VHT_MCS_SET,
1721 sizeof(sband->vht_cap.vht_mcs),
1722 &sband->vht_cap.vht_mcs) ||
1723 nla_put_u32(msg, NL80211_BAND_ATTR_VHT_CAPA,
1724 sband->vht_cap.cap)))
1725 return -ENOBUFS;
f59ac048 1726
f8d504ca 1727 if (large && sband->n_iftype_data) {
c4cbaf79 1728 struct nlattr *nl_iftype_data =
ae0be8de
MK		 1729 nla_nest_start_noflag(msg,
1730 NL80211_BAND_ATTR_IFTYPE_DATA);
c4cbaf79
LC		 1731 int err;
1732
1733 if (!nl_iftype_data)
1734 return -ENOBUFS;
1735
1736 for (i = 0; i < sband->n_iftype_data; i++) {
1737 struct nlattr *iftdata;
1738
ae0be8de 1739 iftdata = nla_nest_start_noflag(msg, i + 1);
c4cbaf79
LC		 1740 if (!iftdata)
1741 return -ENOBUFS;
1742
22395217 1743 err = nl80211_send_iftype_data(msg, sband,
c4cbaf79
LC		 1744 &sband->iftype_data[i]);
1745 if (err)
1746 return err;
1747
1748 nla_nest_end(msg, iftdata);
1749 }
1750
1751 nla_nest_end(msg, nl_iftype_data);
1752 }
1753
2a38075c 1754 /* add EDMG info */
f8d504ca 1755 if (large && sband->edmg_cap.channels &&
2a38075c
AAL		 1756 (nla_put_u8(msg, NL80211_BAND_ATTR_EDMG_CHANNELS,
1757 sband->edmg_cap.channels) ||
1758 nla_put_u8(msg, NL80211_BAND_ATTR_EDMG_BW_CONFIG,
1759 sband->edmg_cap.bw_config)))
1760
1761 return -ENOBUFS;
1762
3713b4e3 1763 /* add bitrates */
ae0be8de 1764 nl_rates = nla_nest_start_noflag(msg, NL80211_BAND_ATTR_RATES);
3713b4e3
JB		 1765 if (!nl_rates)
1766 return -ENOBUFS;
ee688b00 1767
3713b4e3 1768 for (i = 0; i < sband->n_bitrates; i++) {
ae0be8de 1769 nl_rate = nla_nest_start_noflag(msg, i);
3713b4e3
JB		 1770 if (!nl_rate)
1771 return -ENOBUFS;
ee688b00 1772
3713b4e3
JB		 1773 rate = &sband->bitrates[i];
1774 if (nla_put_u32(msg, NL80211_BITRATE_ATTR_RATE,
1775 rate->bitrate))
1776 return -ENOBUFS;
1777 if ((rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) &&
1778 nla_put_flag(msg,
1779 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE))
1780 return -ENOBUFS;
ee688b00 1781
3713b4e3
JB		 1782 nla_nest_end(msg, nl_rate);
1783 }
d51626df 1784
3713b4e3 1785 nla_nest_end(msg, nl_rates);
bf0c111e 1786
3713b4e3
JB		 1787 return 0;
1788}
ee688b00 1789
3713b4e3
JB		 1790static int
1791nl80211_send_mgmt_stypes(struct sk_buff *msg,
1792 const struct ieee80211_txrx_stypes *mgmt_stypes)
1793{
1794 u16 stypes;
1795 struct nlattr *nl_ftypes, *nl_ifs;
1796 enum nl80211_iftype ift;
1797 int i;
ee688b00 1798
3713b4e3
JB		 1799 if (!mgmt_stypes)
1800 return 0;
5dab3b8a 1801
ae0be8de 1802 nl_ifs = nla_nest_start_noflag(msg, NL80211_ATTR_TX_FRAME_TYPES);
3713b4e3
JB		 1803 if (!nl_ifs)
1804 return -ENOBUFS;
e2f367f2 1805
3713b4e3 1806 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
ae0be8de 1807 nl_ftypes = nla_nest_start_noflag(msg, ift);
3713b4e3
JB		 1808 if (!nl_ftypes)
1809 return -ENOBUFS;
1810 i = 0;
1811 stypes = mgmt_stypes[ift].tx;
1812 while (stypes) {
1813 if ((stypes & 1) &&
1814 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
1815 (i << 4) | IEEE80211_FTYPE_MGMT))
1816 return -ENOBUFS;
1817 stypes >>= 1;
1818 i++;
ee688b00 1819 }
3713b4e3
JB		 1820 nla_nest_end(msg, nl_ftypes);
1821 }
ee688b00 1822
3713b4e3 1823 nla_nest_end(msg, nl_ifs);
ee688b00 1824
ae0be8de 1825 nl_ifs = nla_nest_start_noflag(msg, NL80211_ATTR_RX_FRAME_TYPES);
3713b4e3
JB		 1826 if (!nl_ifs)
1827 return -ENOBUFS;
ee688b00 1828
3713b4e3 1829 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
ae0be8de 1830 nl_ftypes = nla_nest_start_noflag(msg, ift);
3713b4e3
JB		 1831 if (!nl_ftypes)
1832 return -ENOBUFS;
1833 i = 0;
1834 stypes = mgmt_stypes[ift].rx;
1835 while (stypes) {
1836 if ((stypes & 1) &&
1837 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
1838 (i << 4) | IEEE80211_FTYPE_MGMT))
1839 return -ENOBUFS;
1840 stypes >>= 1;
1841 i++;
1842 }
1843 nla_nest_end(msg, nl_ftypes);
1844 }
1845 nla_nest_end(msg, nl_ifs);
ee688b00 1846
3713b4e3
JB		 1847 return 0;
1848}
ee688b00 1849
1794899e
JB		 1850#define CMD(op, n) \
1851 do { \
1852 if (rdev->ops->op) { \
1853 i++; \
1854 if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \
1855 goto nla_put_failure; \
1856 } \
1857 } while (0)
1858
1859static int nl80211_add_commands_unsplit(struct cfg80211_registered_device *rdev,
1860 struct sk_buff *msg)
1861{
1862 int i = 0;
1863
1864 /*
1865 * do *NOT* add anything into this function, new things need to be
1866 * advertised only to new versions of userspace that can deal with
1867 * the split (and they can't possibly care about new features...
1868 */
1869 CMD(add_virtual_intf, NEW_INTERFACE);
1870 CMD(change_virtual_intf, SET_INTERFACE);
1871 CMD(add_key, NEW_KEY);
1872 CMD(start_ap, START_AP);
1873 CMD(add_station, NEW_STATION);
1874 CMD(add_mpath, NEW_MPATH);
1875 CMD(update_mesh_config, SET_MESH_CONFIG);
1876 CMD(change_bss, SET_BSS);
1877 CMD(auth, AUTHENTICATE);
1878 CMD(assoc, ASSOCIATE);
1879 CMD(deauth, DEAUTHENTICATE);
1880 CMD(disassoc, DISASSOCIATE);
1881 CMD(join_ibss, JOIN_IBSS);
1882 CMD(join_mesh, JOIN_MESH);
1883 CMD(set_pmksa, SET_PMKSA);
1884 CMD(del_pmksa, DEL_PMKSA);
1885 CMD(flush_pmksa, FLUSH_PMKSA);
1886 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)
1887 CMD(remain_on_channel, REMAIN_ON_CHANNEL);
1888 CMD(set_bitrate_mask, SET_TX_BITRATE_MASK);
1889 CMD(mgmt_tx, FRAME);
1890 CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL);
1891 if (rdev->wiphy.flags & WIPHY_FLAG_NETNS_OK) {
1892 i++;
1893 if (nla_put_u32(msg, i, NL80211_CMD_SET_WIPHY_NETNS))
1894 goto nla_put_failure;
1895 }
1896 if (rdev->ops->set_monitor_channel || rdev->ops->start_ap ||
1897 rdev->ops->join_mesh) {
1898 i++;
1899 if (nla_put_u32(msg, i, NL80211_CMD_SET_CHANNEL))
1900 goto nla_put_failure;
1901 }
1794899e
JB		 1902 if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) {
1903 CMD(tdls_mgmt, TDLS_MGMT);
1904 CMD(tdls_oper, TDLS_OPER);
1905 }
ca986ad9 1906 if (rdev->wiphy.max_sched_scan_reqs)
1794899e
JB		 1907 CMD(sched_scan_start, START_SCHED_SCAN);
1908 CMD(probe_client, PROBE_CLIENT);
1909 CMD(set_noack_map, SET_NOACK_MAP);
1910 if (rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) {
1911 i++;
1912 if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS))
1913 goto nla_put_failure;
1914 }
1915 CMD(start_p2p_device, START_P2P_DEVICE);
1916 CMD(set_mcast_rate, SET_MCAST_RATE);
1917#ifdef CONFIG_NL80211_TESTMODE
1918 CMD(testmode_cmd, TESTMODE);
1919#endif
1920
1921 if (rdev->ops->connect || rdev->ops->auth) {
1922 i++;
1923 if (nla_put_u32(msg, i, NL80211_CMD_CONNECT))
1924 goto nla_put_failure;
1925 }
1926
1927 if (rdev->ops->disconnect || rdev->ops->deauth) {
1928 i++;
1929 if (nla_put_u32(msg, i, NL80211_CMD_DISCONNECT))
1930 goto nla_put_failure;
1931 }
1932
1933 return i;
1934 nla_put_failure:
1935 return -ENOBUFS;
1936}
1937
9bb7e0f2
JB		 1938static int
1939nl80211_send_pmsr_ftm_capa(const struct cfg80211_pmsr_capabilities *cap,
1940 struct sk_buff *msg)
1941{
1942 struct nlattr *ftm;
1943
1944 if (!cap->ftm.supported)
1945 return 0;
1946
ae0be8de 1947 ftm = nla_nest_start_noflag(msg, NL80211_PMSR_TYPE_FTM);
9bb7e0f2
JB		 1948 if (!ftm)
1949 return -ENOBUFS;
1950
1951 if (cap->ftm.asap && nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_ASAP))
1952 return -ENOBUFS;
1953 if (cap->ftm.non_asap &&
1954 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_NON_ASAP))
1955 return -ENOBUFS;
1956 if (cap->ftm.request_lci &&
1957 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_REQ_LCI))
1958 return -ENOBUFS;
1959 if (cap->ftm.request_civicloc &&
1960 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_REQ_CIVICLOC))
1961 return -ENOBUFS;
1962 if (nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_PREAMBLES,
1963 cap->ftm.preambles))
1964 return -ENOBUFS;
1965 if (nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_BANDWIDTHS,
1966 cap->ftm.bandwidths))
1967 return -ENOBUFS;
1968 if (cap->ftm.max_bursts_exponent >= 0 &&
1969 nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_MAX_BURSTS_EXPONENT,
1970 cap->ftm.max_bursts_exponent))
1971 return -ENOBUFS;
1972 if (cap->ftm.max_ftms_per_burst &&
1973 nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_MAX_FTMS_PER_BURST,
1974 cap->ftm.max_ftms_per_burst))
1975 return -ENOBUFS;
efb5520d
AS		 1976 if (cap->ftm.trigger_based &&
1977 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_TRIGGER_BASED))
1978 return -ENOBUFS;
1979 if (cap->ftm.non_trigger_based &&
1980 nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_NON_TRIGGER_BASED))
1981 return -ENOBUFS;
9bb7e0f2
JB		 1982
1983 nla_nest_end(msg, ftm);
1984 return 0;
1985}
1986
1987static int nl80211_send_pmsr_capa(struct cfg80211_registered_device *rdev,
1988 struct sk_buff *msg)
1989{
1990 const struct cfg80211_pmsr_capabilities *cap = rdev->wiphy.pmsr_capa;
1991 struct nlattr *pmsr, *caps;
1992
1993 if (!cap)
1994 return 0;
1995
1996 /*
1997 * we don't need to clean up anything here since the caller
1998 * will genlmsg_cancel() if we fail
1999 */
2000
ae0be8de 2001 pmsr = nla_nest_start_noflag(msg, NL80211_ATTR_PEER_MEASUREMENTS);
9bb7e0f2
JB		 2002 if (!pmsr)
2003 return -ENOBUFS;
2004
2005 if (nla_put_u32(msg, NL80211_PMSR_ATTR_MAX_PEERS, cap->max_peers))
2006 return -ENOBUFS;
2007
2008 if (cap->report_ap_tsf &&
2009 nla_put_flag(msg, NL80211_PMSR_ATTR_REPORT_AP_TSF))
2010 return -ENOBUFS;
2011
2012 if (cap->randomize_mac_addr &&
2013 nla_put_flag(msg, NL80211_PMSR_ATTR_RANDOMIZE_MAC_ADDR))
2014 return -ENOBUFS;
2015
ae0be8de 2016 caps = nla_nest_start_noflag(msg, NL80211_PMSR_ATTR_TYPE_CAPA);
9bb7e0f2
JB		 2017 if (!caps)
2018 return -ENOBUFS;
2019
2020 if (nl80211_send_pmsr_ftm_capa(cap, msg))
2021 return -ENOBUFS;
2022
2023 nla_nest_end(msg, caps);
2024 nla_nest_end(msg, pmsr);
2025
2026 return 0;
2027}
2028
d6039a34
VJ		 2029static int
2030nl80211_put_iftype_akm_suites(struct cfg80211_registered_device *rdev,
2031 struct sk_buff *msg)
2032{
2033 int i;
2034 struct nlattr *nested, *nested_akms;
2035 const struct wiphy_iftype_akm_suites *iftype_akms;
2036
2037 if (!rdev->wiphy.num_iftype_akm_suites ||
2038 !rdev->wiphy.iftype_akm_suites)
2039 return 0;
2040
2041 nested = nla_nest_start(msg, NL80211_ATTR_IFTYPE_AKM_SUITES);
2042 if (!nested)
2043 return -ENOBUFS;
2044
2045 for (i = 0; i < rdev->wiphy.num_iftype_akm_suites; i++) {
2046 nested_akms = nla_nest_start(msg, i + 1);
2047 if (!nested_akms)
2048 return -ENOBUFS;
2049
2050 iftype_akms = &rdev->wiphy.iftype_akm_suites[i];
2051
2052 if (nl80211_put_iftypes(msg, NL80211_IFTYPE_AKM_ATTR_IFTYPES,
2053 iftype_akms->iftypes_mask))
2054 return -ENOBUFS;
2055
2056 if (nla_put(msg, NL80211_IFTYPE_AKM_ATTR_SUITES,
2057 sizeof(u32) * iftype_akms->n_akm_suites,
2058 iftype_akms->akm_suites)) {
2059 return -ENOBUFS;
2060 }
2061 nla_nest_end(msg, nested_akms);
2062 }
2063
2064 nla_nest_end(msg, nested);
2065
2066 return 0;
2067}
2068
3710a8a6
JB		 2069static int
2070nl80211_put_tid_config_support(struct cfg80211_registered_device *rdev,
2071 struct sk_buff *msg)
2072{
2073 struct nlattr *supp;
2074
2075 if (!rdev->wiphy.tid_config_support.vif &&
2076 !rdev->wiphy.tid_config_support.peer)
2077 return 0;
2078
2079 supp = nla_nest_start(msg, NL80211_ATTR_TID_CONFIG);
2080 if (!supp)
2081 return -ENOSPC;
2082
2083 if (rdev->wiphy.tid_config_support.vif &&
2084 nla_put_u64_64bit(msg, NL80211_TID_CONFIG_ATTR_VIF_SUPP,
2085 rdev->wiphy.tid_config_support.vif,
2086 NL80211_TID_CONFIG_ATTR_PAD))
2087 goto fail;
2088
2089 if (rdev->wiphy.tid_config_support.peer &&
2090 nla_put_u64_64bit(msg, NL80211_TID_CONFIG_ATTR_PEER_SUPP,
2091 rdev->wiphy.tid_config_support.peer,
2092 NL80211_TID_CONFIG_ATTR_PAD))
2093 goto fail;
2094
6a21d16c
T		 2095 /* for now we just use the same value ... makes more sense */
2096 if (nla_put_u8(msg, NL80211_TID_CONFIG_ATTR_RETRY_SHORT,
2097 rdev->wiphy.tid_config_support.max_retry))
2098 goto fail;
2099 if (nla_put_u8(msg, NL80211_TID_CONFIG_ATTR_RETRY_LONG,
2100 rdev->wiphy.tid_config_support.max_retry))
2101 goto fail;
2102
3710a8a6
JB		 2103 nla_nest_end(msg, supp);
2104
2105 return 0;
2106fail:
2107 nla_nest_cancel(msg, supp);
2108 return -ENOBUFS;
2109}
2110
6bdb68ce
CH		 2111static int
2112nl80211_put_sar_specs(struct cfg80211_registered_device *rdev,
2113 struct sk_buff *msg)
2114{
2115 struct nlattr *sar_capa, *specs, *sub_freq_range;
2116 u8 num_freq_ranges;
2117 int i;
2118
2119 if (!rdev->wiphy.sar_capa)
2120 return 0;
2121
2122 num_freq_ranges = rdev->wiphy.sar_capa->num_freq_ranges;
2123
2124 sar_capa = nla_nest_start(msg, NL80211_ATTR_SAR_SPEC);
2125 if (!sar_capa)
2126 return -ENOSPC;
2127
2128 if (nla_put_u32(msg, NL80211_SAR_ATTR_TYPE, rdev->wiphy.sar_capa->type))
2129 goto fail;
2130
2131 specs = nla_nest_start(msg, NL80211_SAR_ATTR_SPECS);
2132 if (!specs)
2133 goto fail;
2134
2135 /* report supported freq_ranges */
2136 for (i = 0; i < num_freq_ranges; i++) {
2137 sub_freq_range = nla_nest_start(msg, i + 1);
2138 if (!sub_freq_range)
2139 goto fail;
2140
2141 if (nla_put_u32(msg, NL80211_SAR_ATTR_SPECS_START_FREQ,
2142 rdev->wiphy.sar_capa->freq_ranges[i].start_freq))
2143 goto fail;
2144
2145 if (nla_put_u32(msg, NL80211_SAR_ATTR_SPECS_END_FREQ,
2146 rdev->wiphy.sar_capa->freq_ranges[i].end_freq))
2147 goto fail;
2148
2149 nla_nest_end(msg, sub_freq_range);
2150 }
2151
2152 nla_nest_end(msg, specs);
2153 nla_nest_end(msg, sar_capa);
2154
2155 return 0;
2156fail:
2157 nla_nest_cancel(msg, sar_capa);
2158 return -ENOBUFS;
2159}
2160
86e8cf98
JB		 2161struct nl80211_dump_wiphy_state {
2162 s64 filter_wiphy;
2163 long start;
019ae3a9 2164 long split_start, band_start, chan_start, capa_start;
86e8cf98
JB		 2165 bool split;
2166};
2167
1b8ec87a 2168static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev,
3bb20556 2169 enum nl80211_commands cmd,
3713b4e3 2170 struct sk_buff *msg, u32 portid, u32 seq,
86e8cf98 2171 int flags, struct nl80211_dump_wiphy_state *state)
3713b4e3
JB		 2172{
2173 void *hdr;
2174 struct nlattr *nl_bands, *nl_band;
2175 struct nlattr *nl_freqs, *nl_freq;
2176 struct nlattr *nl_cmds;
57fbcce3 2177 enum nl80211_band band;
3713b4e3
JB		 2178 struct ieee80211_channel *chan;
2179 int i;
2180 const struct ieee80211_txrx_stypes *mgmt_stypes =
1b8ec87a 2181 rdev->wiphy.mgmt_stypes;
fe1abafd 2182 u32 features;
ee688b00 2183
3bb20556 2184 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
3713b4e3
JB		 2185 if (!hdr)
2186 return -ENOBUFS;
ee688b00 2187
86e8cf98
JB		 2188 if (WARN_ON(!state))
2189 return -EINVAL;
ee688b00 2190
1b8ec87a 2191 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
3713b4e3 2192 nla_put_string(msg, NL80211_ATTR_WIPHY_NAME,
1b8ec87a 2193 wiphy_name(&rdev->wiphy)) ||
3713b4e3
JB		 2194 nla_put_u32(msg, NL80211_ATTR_GENERATION,
2195 cfg80211_rdev_list_generation))
8fdc621d
JB		 2196 goto nla_put_failure;
2197
3bb20556
JB		 2198 if (cmd != NL80211_CMD_NEW_WIPHY)
2199 goto finish;
2200
86e8cf98 2201 switch (state->split_start) {
3713b4e3
JB		 2202 case 0:
2203 if (nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT,
1b8ec87a 2204 rdev->wiphy.retry_short) ||
3713b4e3 2205 nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_LONG,
1b8ec87a 2206 rdev->wiphy.retry_long) ||
3713b4e3 2207 nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD,
1b8ec87a 2208 rdev->wiphy.frag_threshold) ||
3713b4e3 2209 nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD,
1b8ec87a 2210 rdev->wiphy.rts_threshold) ||
3713b4e3 2211 nla_put_u8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS,
1b8ec87a 2212 rdev->wiphy.coverage_class) ||
3713b4e3 2213 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS,
1b8ec87a 2214 rdev->wiphy.max_scan_ssids) ||
3713b4e3 2215 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS,
1b8ec87a 2216 rdev->wiphy.max_sched_scan_ssids) ||
3713b4e3 2217 nla_put_u16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN,
1b8ec87a 2218 rdev->wiphy.max_scan_ie_len) ||
3713b4e3 2219 nla_put_u16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN,
1b8ec87a 2220 rdev->wiphy.max_sched_scan_ie_len) ||
3713b4e3 2221 nla_put_u8(msg, NL80211_ATTR_MAX_MATCH_SETS,
f8d504ca 2222 rdev->wiphy.max_match_sets))
9360ffd1 2223 goto nla_put_failure;
3713b4e3 2224
1b8ec87a 2225 if ((rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) &&
3713b4e3 2226 nla_put_flag(msg, NL80211_ATTR_SUPPORT_IBSS_RSN))
aa430da4 2227 goto nla_put_failure;
1b8ec87a 2228 if ((rdev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) &&
3713b4e3
JB		 2229 nla_put_flag(msg, NL80211_ATTR_SUPPORT_MESH_AUTH))
2230 goto nla_put_failure;
1b8ec87a 2231 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) &&
3713b4e3
JB		 2232 nla_put_flag(msg, NL80211_ATTR_SUPPORT_AP_UAPSD))
2233 goto nla_put_failure;
1b8ec87a 2234 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) &&
3713b4e3
JB		 2235 nla_put_flag(msg, NL80211_ATTR_ROAM_SUPPORT))
2236 goto nla_put_failure;
1b8ec87a 2237 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) &&
3713b4e3
JB		 2238 nla_put_flag(msg, NL80211_ATTR_TDLS_SUPPORT))
2239 goto nla_put_failure;
1b8ec87a 2240 if ((rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) &&
3713b4e3 2241 nla_put_flag(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP))
9360ffd1 2242 goto nla_put_failure;
86e8cf98
JB		 2243 state->split_start++;
2244 if (state->split)
3713b4e3 2245 break;
7b506ff6 2246 fallthrough;
3713b4e3
JB		 2247 case 1:
2248 if (nla_put(msg, NL80211_ATTR_CIPHER_SUITES,
1b8ec87a
ZG		 2249 sizeof(u32) * rdev->wiphy.n_cipher_suites,
2250 rdev->wiphy.cipher_suites))
3713b4e3 2251 goto nla_put_failure;
4745fc09 2252
3713b4e3 2253 if (nla_put_u8(msg, NL80211_ATTR_MAX_NUM_PMKIDS,
1b8ec87a 2254 rdev->wiphy.max_num_pmkids))
3713b4e3 2255 goto nla_put_failure;
b23aa676 2256
1b8ec87a 2257 if ((rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
3713b4e3 2258 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE))
9360ffd1 2259 goto nla_put_failure;
b23aa676 2260
3713b4e3 2261 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX,
1b8ec87a 2262 rdev->wiphy.available_antennas_tx) ||
3713b4e3 2263 nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX,
1b8ec87a 2264 rdev->wiphy.available_antennas_rx))
9360ffd1 2265 goto nla_put_failure;
b23aa676 2266
1b8ec87a 2267 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) &&
3713b4e3 2268 nla_put_u32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD,
1b8ec87a 2269 rdev->wiphy.probe_resp_offload))
3713b4e3 2270 goto nla_put_failure;
8fdc621d 2271
1b8ec87a
ZG		 2272 if ((rdev->wiphy.available_antennas_tx ||
2273 rdev->wiphy.available_antennas_rx) &&
2274 rdev->ops->get_antenna) {
3713b4e3
JB		 2275 u32 tx_ant = 0, rx_ant = 0;
2276 int res;
7a087e74 2277
1b8ec87a 2278 res = rdev_get_antenna(rdev, &tx_ant, &rx_ant);
3713b4e3
JB		 2279 if (!res) {
2280 if (nla_put_u32(msg,
2281 NL80211_ATTR_WIPHY_ANTENNA_TX,
2282 tx_ant) ||
2283 nla_put_u32(msg,
2284 NL80211_ATTR_WIPHY_ANTENNA_RX,
2285 rx_ant))
2286 goto nla_put_failure;
2287 }
2288 }
a293911d 2289
86e8cf98
JB		 2290 state->split_start++;
2291 if (state->split)
3713b4e3 2292 break;
7b506ff6 2293 fallthrough;
3713b4e3
JB		 2294 case 2:
2295 if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES,
1b8ec87a 2296 rdev->wiphy.interface_modes))
3713b4e3 2297 goto nla_put_failure;
86e8cf98
JB		 2298 state->split_start++;
2299 if (state->split)
3713b4e3 2300 break;
7b506ff6 2301 fallthrough;
3713b4e3 2302 case 3:
ae0be8de
MK		 2303 nl_bands = nla_nest_start_noflag(msg,
2304 NL80211_ATTR_WIPHY_BANDS);
3713b4e3
JB		 2305 if (!nl_bands)
2306 goto nla_put_failure;
f7ca38df 2307
86e8cf98 2308 for (band = state->band_start;
57fbcce3 2309 band < NUM_NL80211_BANDS; band++) {
3713b4e3 2310 struct ieee80211_supported_band *sband;
2e161f78 2311
f8d504ca
JB		 2312 /* omit higher bands for ancient software */
2313 if (band > NL80211_BAND_5GHZ && !state->split)
2314 break;
2315
1b8ec87a 2316 sband = rdev->wiphy.bands[band];
2e161f78 2317
3713b4e3
JB		 2318 if (!sband)
2319 continue;
2320
ae0be8de 2321 nl_band = nla_nest_start_noflag(msg, band);
3713b4e3 2322 if (!nl_band)
2e161f78 2323 goto nla_put_failure;
3713b4e3 2324
86e8cf98 2325 switch (state->chan_start) {
3713b4e3 2326 case 0:
f8d504ca
JB		 2327 if (nl80211_send_band_rateinfo(msg, sband,
2328 state->split))
9360ffd1 2329 goto nla_put_failure;
86e8cf98
JB		 2330 state->chan_start++;
2331 if (state->split)
3713b4e3 2332 break;
7b506ff6 2333 fallthrough;
3713b4e3
JB		 2334 default:
2335 /* add frequencies */
ae0be8de
MK		 2336 nl_freqs = nla_nest_start_noflag(msg,
2337 NL80211_BAND_ATTR_FREQS);
3713b4e3
JB		 2338 if (!nl_freqs)
2339 goto nla_put_failure;
2340
86e8cf98 2341 for (i = state->chan_start - 1;
3713b4e3
JB		 2342 i < sband->n_channels;
2343 i++) {
ae0be8de
MK		 2344 nl_freq = nla_nest_start_noflag(msg,
2345 i);
3713b4e3
JB		 2346 if (!nl_freq)
2347 goto nla_put_failure;
2348
2349 chan = &sband->channels[i];
2350
86e8cf98 2351 if (nl80211_msg_put_channel(
50f32718 2352 msg, &rdev->wiphy, chan,
86e8cf98 2353 state->split))
3713b4e3
JB		 2354 goto nla_put_failure;
2355
2356 nla_nest_end(msg, nl_freq);
86e8cf98 2357 if (state->split)
3713b4e3
JB		 2358 break;
2359 }
2360 if (i < sband->n_channels)
86e8cf98 2361 state->chan_start = i + 2;
3713b4e3 2362 else
86e8cf98 2363 state->chan_start = 0;
3713b4e3
JB		 2364 nla_nest_end(msg, nl_freqs);
2365 }
2366
2367 nla_nest_end(msg, nl_band);
2368
86e8cf98 2369 if (state->split) {
3713b4e3 2370 /* start again here */
86e8cf98 2371 if (state->chan_start)
3713b4e3
JB		 2372 band--;
2373 break;
2e161f78 2374 }
2e161f78 2375 }
3713b4e3 2376 nla_nest_end(msg, nl_bands);
2e161f78 2377
57fbcce3 2378 if (band < NUM_NL80211_BANDS)
86e8cf98 2379 state->band_start = band + 1;
3713b4e3 2380 else
86e8cf98 2381 state->band_start = 0;
74b70a4e 2382
3713b4e3 2383 /* if bands & channels are done, continue outside */
86e8cf98
JB		 2384 if (state->band_start == 0 && state->chan_start == 0)
2385 state->split_start++;
2386 if (state->split)
3713b4e3 2387 break;
7b506ff6 2388 fallthrough;
3713b4e3 2389 case 4:
ae0be8de
MK		 2390 nl_cmds = nla_nest_start_noflag(msg,
2391 NL80211_ATTR_SUPPORTED_COMMANDS);
3713b4e3 2392 if (!nl_cmds)
2e161f78
JB		 2393 goto nla_put_failure;
2394
1794899e
JB		 2395 i = nl80211_add_commands_unsplit(rdev, msg);
2396 if (i < 0)
2397 goto nla_put_failure;
86e8cf98 2398 if (state->split) {
5de17984
AS		 2399 CMD(crit_proto_start, CRIT_PROTOCOL_START);
2400 CMD(crit_proto_stop, CRIT_PROTOCOL_STOP);
1b8ec87a 2401 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH)
16ef1fe2 2402 CMD(channel_switch, CHANNEL_SWITCH);
02df00eb 2403 CMD(set_qos_map, SET_QOS_MAP);
723e73ac
JB		 2404 if (rdev->wiphy.features &
2405 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION)
960d01ac 2406 CMD(add_tx_ts, ADD_TX_TS);
ce0ce13a 2407 CMD(set_multicast_to_unicast, SET_MULTICAST_TO_UNICAST);
088e8df8 2408 CMD(update_connect_params, UPDATE_CONNECT_PARAMS);
7010998c 2409 CMD(update_ft_ies, UPDATE_FT_IES);
6bdb68ce
CH		 2410 if (rdev->wiphy.sar_capa)
2411 CMD(set_sar_specs, SET_SAR_SPECS);
5de17984 2412 }
3713b4e3 2413#undef CMD
ff1b6e69 2414
3713b4e3 2415 nla_nest_end(msg, nl_cmds);
86e8cf98
JB		 2416 state->split_start++;
2417 if (state->split)
3713b4e3 2418 break;
7b506ff6 2419 fallthrough;
3713b4e3 2420 case 5:
1b8ec87a
ZG		 2421 if (rdev->ops->remain_on_channel &&
2422 (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) &&
3713b4e3
JB		 2423 nla_put_u32(msg,
2424 NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION,
1b8ec87a 2425 rdev->wiphy.max_remain_on_channel_duration))
3713b4e3
JB		 2426 goto nla_put_failure;
2427
1b8ec87a 2428 if ((rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) &&
3713b4e3
JB		 2429 nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK))
2430 goto nla_put_failure;
2431
86e8cf98
JB		 2432 state->split_start++;
2433 if (state->split)
3713b4e3 2434 break;
7b506ff6 2435 fallthrough;
3713b4e3
JB		 2436 case 6:
2437#ifdef CONFIG_PM
1b8ec87a 2438 if (nl80211_send_wowlan(msg, rdev, state->split))
3713b4e3 2439 goto nla_put_failure;
86e8cf98
JB		 2440 state->split_start++;
2441 if (state->split)
3713b4e3
JB		 2442 break;
2443#else
86e8cf98 2444 state->split_start++;
dfb89c56 2445#endif
7b506ff6 2446 fallthrough;
3713b4e3
JB		 2447 case 7:
2448 if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES,
1b8ec87a 2449 rdev->wiphy.software_iftypes))
3713b4e3 2450 goto nla_put_failure;
ff1b6e69 2451
1b8ec87a 2452 if (nl80211_put_iface_combinations(&rdev->wiphy, msg,
86e8cf98 2453 state->split))
3713b4e3 2454 goto nla_put_failure;
7527a782 2455
86e8cf98
JB		 2456 state->split_start++;
2457 if (state->split)
3713b4e3 2458 break;
7b506ff6 2459 fallthrough;
3713b4e3 2460 case 8:
1b8ec87a 2461 if ((rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) &&
3713b4e3 2462 nla_put_u32(msg, NL80211_ATTR_DEVICE_AP_SME,
1b8ec87a 2463 rdev->wiphy.ap_sme_capa))
3713b4e3 2464 goto nla_put_failure;
7527a782 2465
1b8ec87a 2466 features = rdev->wiphy.features;
fe1abafd
JB		 2467 /*
2468 * We can only add the per-channel limit information if the
2469 * dump is split, otherwise it makes it too big. Therefore
2470 * only advertise it in that case.
2471 */
86e8cf98 2472 if (state->split)
fe1abafd
JB		 2473 features |= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS;
2474 if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS, features))
3713b4e3 2475 goto nla_put_failure;
562a7480 2476
1b8ec87a 2477 if (rdev->wiphy.ht_capa_mod_mask &&
3713b4e3 2478 nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK,
1b8ec87a
ZG		 2479 sizeof(*rdev->wiphy.ht_capa_mod_mask),
2480 rdev->wiphy.ht_capa_mod_mask))
3713b4e3 2481 goto nla_put_failure;
1f074bd8 2482
1b8ec87a
ZG		 2483 if (rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME &&
2484 rdev->wiphy.max_acl_mac_addrs &&
3713b4e3 2485 nla_put_u32(msg, NL80211_ATTR_MAC_ACL_MAX,
1b8ec87a 2486 rdev->wiphy.max_acl_mac_addrs))
3713b4e3 2487 goto nla_put_failure;
7e7c8926 2488
3713b4e3
JB		 2489 /*
2490 * Any information below this point is only available to
2491 * applications that can deal with it being split. This
2492 * helps ensure that newly added capabilities don't break
2493 * older tools by overrunning their buffers.
2494 *
2495 * We still increment split_start so that in the split
2496 * case we'll continue with more data in the next round,
2497 * but break unconditionally so unsplit data stops here.
2498 */
ab10c22b
JB		 2499 if (state->split)
2500 state->split_start++;
2501 else
2502 state->split_start = 0;
3713b4e3
JB		 2503 break;
2504 case 9:
f8d504ca
JB		 2505 if (nl80211_send_mgmt_stypes(msg, mgmt_stypes))
2506 goto nla_put_failure;
2507
2508 if (nla_put_u32(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS,
2509 rdev->wiphy.max_sched_scan_plans) ||
2510 nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL,
2511 rdev->wiphy.max_sched_scan_plan_interval) ||
2512 nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS,
2513 rdev->wiphy.max_sched_scan_plan_iterations))
2514 goto nla_put_failure;
2515
1b8ec87a 2516 if (rdev->wiphy.extended_capabilities &&
fe1abafd 2517 (nla_put(msg, NL80211_ATTR_EXT_CAPA,
1b8ec87a
ZG		 2518 rdev->wiphy.extended_capabilities_len,
2519 rdev->wiphy.extended_capabilities) ||
fe1abafd 2520 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
1b8ec87a
ZG		 2521 rdev->wiphy.extended_capabilities_len,
2522 rdev->wiphy.extended_capabilities_mask)))
fe1abafd 2523 goto nla_put_failure;
a50df0c4 2524
1b8ec87a 2525 if (rdev->wiphy.vht_capa_mod_mask &&
ee2aca34 2526 nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK,
1b8ec87a
ZG		 2527 sizeof(*rdev->wiphy.vht_capa_mod_mask),
2528 rdev->wiphy.vht_capa_mod_mask))
ee2aca34
JB		 2529 goto nla_put_failure;
2530
ae6fa4d5
DK		 2531 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN,
2532 rdev->wiphy.perm_addr))
2533 goto nla_put_failure;
2534
2535 if (!is_zero_ether_addr(rdev->wiphy.addr_mask) &&
2536 nla_put(msg, NL80211_ATTR_MAC_MASK, ETH_ALEN,
2537 rdev->wiphy.addr_mask))
2538 goto nla_put_failure;
2539
2540 if (rdev->wiphy.n_addresses > 1) {
2541 void *attr;
2542
2543 attr = nla_nest_start(msg, NL80211_ATTR_MAC_ADDRS);
2544 if (!attr)
2545 goto nla_put_failure;
2546
2547 for (i = 0; i < rdev->wiphy.n_addresses; i++)
2548 if (nla_put(msg, i + 1, ETH_ALEN,
2549 rdev->wiphy.addresses[i].addr))
2550 goto nla_put_failure;
2551
2552 nla_nest_end(msg, attr);
2553 }
2554
be29b99a
AK		 2555 state->split_start++;
2556 break;
2557 case 10:
1b8ec87a 2558 if (nl80211_send_coalesce(msg, rdev))
be29b99a
AK		 2559 goto nla_put_failure;
2560
1b8ec87a 2561 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ) &&
01e0daa4
FF		 2562 (nla_put_flag(msg, NL80211_ATTR_SUPPORT_5_MHZ) ||
2563 nla_put_flag(msg, NL80211_ATTR_SUPPORT_10_MHZ)))
2564 goto nla_put_failure;
b43504cf 2565
1b8ec87a 2566 if (rdev->wiphy.max_ap_assoc_sta &&
b43504cf 2567 nla_put_u32(msg, NL80211_ATTR_MAX_AP_ASSOC_STA,
1b8ec87a 2568 rdev->wiphy.max_ap_assoc_sta))
b43504cf
JM		 2569 goto nla_put_failure;
2570
ad7e718c
JB		 2571 state->split_start++;
2572 break;
2573 case 11:
1b8ec87a 2574 if (rdev->wiphy.n_vendor_commands) {
567ffc35
JB		 2575 const struct nl80211_vendor_cmd_info *info;
2576 struct nlattr *nested;
2577
ae0be8de
MK		 2578 nested = nla_nest_start_noflag(msg,
2579 NL80211_ATTR_VENDOR_DATA);
567ffc35
JB		 2580 if (!nested)
2581 goto nla_put_failure;
2582
1b8ec87a
ZG		 2583 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
2584 info = &rdev->wiphy.vendor_commands[i].info;
567ffc35
JB		 2585 if (nla_put(msg, i + 1, sizeof(*info), info))
2586 goto nla_put_failure;
2587 }
2588 nla_nest_end(msg, nested);
2589 }
2590
1b8ec87a 2591 if (rdev->wiphy.n_vendor_events) {
567ffc35
JB		 2592 const struct nl80211_vendor_cmd_info *info;
2593 struct nlattr *nested;
ad7e718c 2594
ae0be8de
MK		 2595 nested = nla_nest_start_noflag(msg,
2596 NL80211_ATTR_VENDOR_EVENTS);
567ffc35 2597 if (!nested)
ad7e718c 2598 goto nla_put_failure;
567ffc35 2599
1b8ec87a
ZG		 2600 for (i = 0; i < rdev->wiphy.n_vendor_events; i++) {
2601 info = &rdev->wiphy.vendor_events[i];
567ffc35
JB		 2602 if (nla_put(msg, i + 1, sizeof(*info), info))
2603 goto nla_put_failure;
2604 }
2605 nla_nest_end(msg, nested);
2606 }
9a774c78
AO		 2607 state->split_start++;
2608 break;
2609 case 12:
2610 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH &&
2611 nla_put_u8(msg, NL80211_ATTR_MAX_CSA_COUNTERS,
2612 rdev->wiphy.max_num_csa_counters))
2613 goto nla_put_failure;
01e0daa4 2614
1bdd716c
AN		 2615 if (rdev->wiphy.regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
2616 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
2617 goto nla_put_failure;
2618
ca986ad9
AVS		 2619 if (rdev->wiphy.max_sched_scan_reqs &&
2620 nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_MAX_REQS,
2621 rdev->wiphy.max_sched_scan_reqs))
2622 goto nla_put_failure;
2623
d75bb06b
GKS		 2624 if (nla_put(msg, NL80211_ATTR_EXT_FEATURES,
2625 sizeof(rdev->wiphy.ext_features),
2626 rdev->wiphy.ext_features))
2627 goto nla_put_failure;
2628
38de03d2
AS		 2629 if (rdev->wiphy.bss_select_support) {
2630 struct nlattr *nested;
2631 u32 bss_select_support = rdev->wiphy.bss_select_support;
2632
ae0be8de
MK		 2633 nested = nla_nest_start_noflag(msg,
2634 NL80211_ATTR_BSS_SELECT);
38de03d2
AS		 2635 if (!nested)
2636 goto nla_put_failure;
2637
2638 i = 0;
2639 while (bss_select_support) {
2640 if ((bss_select_support & 1) &&
2641 nla_put_flag(msg, i))
2642 goto nla_put_failure;
2643 i++;
2644 bss_select_support >>= 1;
2645 }
2646 nla_nest_end(msg, nested);
2647 }
2648
019ae3a9
KV		 2649 state->split_start++;
2650 break;
2651 case 13:
2652 if (rdev->wiphy.num_iftype_ext_capab &&
2653 rdev->wiphy.iftype_ext_capab) {
2654 struct nlattr *nested_ext_capab, *nested;
2655
ae0be8de
MK		 2656 nested = nla_nest_start_noflag(msg,
2657 NL80211_ATTR_IFTYPE_EXT_CAPA);
019ae3a9
KV		 2658 if (!nested)
2659 goto nla_put_failure;
2660
2661 for (i = state->capa_start;
2662 i < rdev->wiphy.num_iftype_ext_capab; i++) {
2663 const struct wiphy_iftype_ext_capab *capab;
2664
2665 capab = &rdev->wiphy.iftype_ext_capab[i];
2666
ae0be8de
MK		 2667 nested_ext_capab = nla_nest_start_noflag(msg,
2668 i);
019ae3a9
KV		 2669 if (!nested_ext_capab ||
2670 nla_put_u32(msg, NL80211_ATTR_IFTYPE,
2671 capab->iftype) ||
2672 nla_put(msg, NL80211_ATTR_EXT_CAPA,
2673 capab->extended_capabilities_len,
2674 capab->extended_capabilities) ||
2675 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
2676 capab->extended_capabilities_len,
2677 capab->extended_capabilities_mask))
2678 goto nla_put_failure;
2679
2680 nla_nest_end(msg, nested_ext_capab);
2681 if (state->split)
2682 break;
2683 }
2684 nla_nest_end(msg, nested);
2685 if (i < rdev->wiphy.num_iftype_ext_capab) {
2686 state->capa_start = i + 1;
2687 break;
2688 }
2689 }
2690
8585989d
LC		 2691 if (nla_put_u32(msg, NL80211_ATTR_BANDS,
2692 rdev->wiphy.nan_supported_bands))
2693 goto nla_put_failure;
2694
52539ca8
THJ		 2695 if (wiphy_ext_feature_isset(&rdev->wiphy,
2696 NL80211_EXT_FEATURE_TXQS)) {
2697 struct cfg80211_txq_stats txqstats = {};
2698 int res;
2699
2700 res = rdev_get_txq_stats(rdev, NULL, &txqstats);
2701 if (!res &&
2702 !nl80211_put_txq_stats(msg, &txqstats,
2703 NL80211_ATTR_TXQ_STATS))
2704 goto nla_put_failure;
2705
2706 if (nla_put_u32(msg, NL80211_ATTR_TXQ_LIMIT,
2707 rdev->wiphy.txq_limit))
2708 goto nla_put_failure;
2709 if (nla_put_u32(msg, NL80211_ATTR_TXQ_MEMORY_LIMIT,
2710 rdev->wiphy.txq_memory_limit))
2711 goto nla_put_failure;
2712 if (nla_put_u32(msg, NL80211_ATTR_TXQ_QUANTUM,
2713 rdev->wiphy.txq_quantum))
2714 goto nla_put_failure;
2715 }
2716
9bb7e0f2
JB		 2717 state->split_start++;
2718 break;
2719 case 14:
2720 if (nl80211_send_pmsr_capa(rdev, msg))
2721 goto nla_put_failure;
2722
ab4dfa20
VJ		 2723 state->split_start++;
2724 break;
2725 case 15:
2726 if (rdev->wiphy.akm_suites &&
2727 nla_put(msg, NL80211_ATTR_AKM_SUITES,
2728 sizeof(u32) * rdev->wiphy.n_akm_suites,
2729 rdev->wiphy.akm_suites))
2730 goto nla_put_failure;
2731
d6039a34
VJ		 2732 if (nl80211_put_iftype_akm_suites(rdev, msg))
2733 goto nla_put_failure;
2734
3710a8a6
JB		 2735 if (nl80211_put_tid_config_support(rdev, msg))
2736 goto nla_put_failure;
6bdb68ce
CH		 2737 state->split_start++;
2738 break;
2739 case 16:
2740 if (nl80211_put_sar_specs(rdev, msg))
2741 goto nla_put_failure;
3710a8a6 2742
3713b4e3 2743 /* done */
86e8cf98 2744 state->split_start = 0;
3713b4e3
JB		 2745 break;
2746 }
3bb20556 2747 finish:
053c095a
JB		 2748 genlmsg_end(msg, hdr);
2749 return 0;
55682965
JB		 2750
2751 nla_put_failure:
bc3ed28c
TG		 2752 genlmsg_cancel(msg, hdr);
2753 return -EMSGSIZE;
55682965
JB		 2754}
2755
86e8cf98
JB		 2756static int nl80211_dump_wiphy_parse(struct sk_buff *skb,
2757 struct netlink_callback *cb,
2758 struct nl80211_dump_wiphy_state *state)
2759{
50508d94
JB		 2760 struct nlattr **tb = kcalloc(NUM_NL80211_ATTR, sizeof(*tb), GFP_KERNEL);
2761 int ret;
2762
2763 if (!tb)
2764 return -ENOMEM;
2765
2766 ret = nlmsg_parse_deprecated(cb->nlh,
2767 GENL_HDRLEN + nl80211_fam.hdrsize,
2768 tb, nl80211_fam.maxattr,
2769 nl80211_policy, NULL);
86e8cf98 2770 /* ignore parse errors for backward compatibility */
50508d94
JB		 2771 if (ret) {
2772 ret = 0;
2773 goto out;
2774 }
86e8cf98
JB		 2775
2776 state->split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP];
2777 if (tb[NL80211_ATTR_WIPHY])
2778 state->filter_wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
2779 if (tb[NL80211_ATTR_WDEV])
2780 state->filter_wiphy = nla_get_u64(tb[NL80211_ATTR_WDEV]) >> 32;
2781 if (tb[NL80211_ATTR_IFINDEX]) {
2782 struct net_device *netdev;
2783 struct cfg80211_registered_device *rdev;
2784 int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
2785
7f2b8562 2786 netdev = __dev_get_by_index(sock_net(skb->sk), ifidx);
50508d94
JB		 2787 if (!netdev) {
2788 ret = -ENODEV;
2789 goto out;
2790 }
86e8cf98 2791 if (netdev->ieee80211_ptr) {
f26cbf40 2792 rdev = wiphy_to_rdev(
86e8cf98
JB		 2793 netdev->ieee80211_ptr->wiphy);
2794 state->filter_wiphy = rdev->wiphy_idx;
2795 }
86e8cf98
JB		 2796 }
2797
50508d94
JB		 2798 ret = 0;
2799out:
2800 kfree(tb);
2801 return ret;
86e8cf98
JB		 2802}
2803
55682965
JB		 2804static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
2805{
645e77de 2806 int idx = 0, ret;
86e8cf98 2807 struct nl80211_dump_wiphy_state *state = (void *)cb->args[0];
1b8ec87a 2808 struct cfg80211_registered_device *rdev;
3a5a423b 2809
5fe231e8 2810 rtnl_lock();
86e8cf98
JB		 2811 if (!state) {
2812 state = kzalloc(sizeof(*state), GFP_KERNEL);
57ed5cd6
JL		 2813 if (!state) {
2814 rtnl_unlock();
86e8cf98 2815 return -ENOMEM;
3713b4e3 2816 }
86e8cf98
JB		 2817 state->filter_wiphy = -1;
2818 ret = nl80211_dump_wiphy_parse(skb, cb, state);
2819 if (ret) {
2820 kfree(state);
2821 rtnl_unlock();
2822 return ret;
3713b4e3 2823 }
86e8cf98 2824 cb->args[0] = (long)state;
3713b4e3
JB		 2825 }
2826
1b8ec87a
ZG		 2827 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
2828 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
463d0183 2829 continue;
86e8cf98 2830 if (++idx <= state->start)
55682965 2831 continue;
86e8cf98 2832 if (state->filter_wiphy != -1 &&
1b8ec87a 2833 state->filter_wiphy != rdev->wiphy_idx)
3713b4e3
JB		 2834 continue;
2835 /* attempt to fit multiple wiphy data chunks into the skb */
2836 do {
3bb20556
JB		 2837 ret = nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY,
2838 skb,
3713b4e3
JB		 2839 NETLINK_CB(cb->skb).portid,
2840 cb->nlh->nlmsg_seq,
86e8cf98 2841 NLM_F_MULTI, state);
3713b4e3
JB		 2842 if (ret < 0) {
2843 /*
2844 * If sending the wiphy data didn't fit (ENOBUFS
2845 * or EMSGSIZE returned), this SKB is still
2846 * empty (so it's not too big because another
2847 * wiphy dataset is already in the skb) and
2848 * we've not tried to adjust the dump allocation
2849 * yet ... then adjust the alloc size to be
2850 * bigger, and return 1 but with the empty skb.
2851 * This results in an empty message being RX'ed
2852 * in userspace, but that is ignored.
2853 *
2854 * We can then retry with the larger buffer.
2855 */
2856 if ((ret == -ENOBUFS || ret == -EMSGSIZE) &&
f12cb289 2857 !skb->len && !state->split &&
3713b4e3
JB		 2858 cb->min_dump_alloc < 4096) {
2859 cb->min_dump_alloc = 4096;
f12cb289 2860 state->split_start = 0;
d98cae64 2861 rtnl_unlock();
3713b4e3
JB		 2862 return 1;
2863 }
2864 idx--;
2865 break;
645e77de 2866 }
86e8cf98 2867 } while (state->split_start > 0);
3713b4e3 2868 break;
55682965 2869 }
5fe231e8 2870 rtnl_unlock();
55682965 2871
86e8cf98 2872 state->start = idx;
55682965
JB		 2873
2874 return skb->len;
2875}
2876
86e8cf98
JB		 2877static int nl80211_dump_wiphy_done(struct netlink_callback *cb)
2878{
2879 kfree((void *)cb->args[0]);
2880 return 0;
2881}
2882
55682965
JB		 2883static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info)
2884{
2885 struct sk_buff *msg;
1b8ec87a 2886 struct cfg80211_registered_device *rdev = info->user_ptr[0];
86e8cf98 2887 struct nl80211_dump_wiphy_state state = {};
55682965 2888
645e77de 2889 msg = nlmsg_new(4096, GFP_KERNEL);
55682965 2890 if (!msg)
4c476991 2891 return -ENOMEM;
55682965 2892
3bb20556
JB		 2893 if (nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY, msg,
2894 info->snd_portid, info->snd_seq, 0,
86e8cf98 2895 &state) < 0) {
4c476991
JB		 2896 nlmsg_free(msg);
2897 return -ENOBUFS;
2898 }
55682965 2899
134e6375 2900 return genlmsg_reply(msg, info);
55682965
JB		 2901}
2902
31888487
JM		 2903static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = {
2904 [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 },
2905 [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 },
2906 [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 },
2907 [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 },
2908 [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 },
2909};
2910
2911static int parse_txq_params(struct nlattr *tb[],
2912 struct ieee80211_txq_params *txq_params)
2913{
259d8c1e
DW		 2914 u8 ac;
2915
a3304b0a 2916 if (!tb[NL80211_TXQ_ATTR_AC] || !tb[NL80211_TXQ_ATTR_TXOP] ||
31888487
JM		 2917 !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] ||
2918 !tb[NL80211_TXQ_ATTR_AIFS])
2919 return -EINVAL;
2920
259d8c1e 2921 ac = nla_get_u8(tb[NL80211_TXQ_ATTR_AC]);
31888487
JM		 2922 txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]);
2923 txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]);
2924 txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]);
2925 txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]);
2926
259d8c1e 2927 if (ac >= NL80211_NUM_ACS)
a3304b0a 2928 return -EINVAL;
259d8c1e 2929 txq_params->ac = array_index_nospec(ac, NL80211_NUM_ACS);
31888487
JM		 2930 return 0;
2931}
2932
f444de05
JB		 2933static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev)
2934{
2935 /*
e7e0517c
JB		 2936 * You can only set the channel explicitly for some interfaces,
2937 * most have their channel managed via their respective
cc1d2806
JB		 2938 * "establish a connection" command (connect, join, ...)
2939 *
2940 * For AP/GO and mesh mode, the channel can be set with the
2941 * channel userspace API, but is only stored and passed to the
2942 * low-level driver when the AP starts or the mesh is joined.
2943 * This is for backward compatibility, userspace can also give
2944 * the channel in the start-ap or join-mesh commands instead.
f444de05
JB		 2945 *
2946 * Monitors are special as they are normally slaved to
e8c9bd5b
JB		 2947 * whatever else is going on, so they have their own special
2948 * operation to set the monitor channel if possible.
f444de05
JB		 2949 */
2950 return !wdev ||
2951 wdev->iftype == NL80211_IFTYPE_AP ||
f444de05 2952 wdev->iftype == NL80211_IFTYPE_MESH_POINT ||
074ac8df
JB		 2953 wdev->iftype == NL80211_IFTYPE_MONITOR ||
2954 wdev->iftype == NL80211_IFTYPE_P2P_GO;
f444de05
JB		 2955}
2956
9bb7e0f2
JB		 2957int nl80211_parse_chandef(struct cfg80211_registered_device *rdev,
2958 struct genl_info *info,
2959 struct cfg80211_chan_def *chandef)
683b6d3b 2960{
49f9cf0e
JB		 2961 struct netlink_ext_ack *extack = info->extack;
2962 struct nlattr **attrs = info->attrs;
dbeca2ea 2963 u32 control_freq;
683b6d3b 2964
49f9cf0e 2965 if (!attrs[NL80211_ATTR_WIPHY_FREQ])
683b6d3b
JB		 2966 return -EINVAL;
2967
942ba88b
TP		 2968 control_freq = MHZ_TO_KHZ(
2969 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
2970 if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
2971 control_freq +=
2972 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
683b6d3b 2973
f43e5210 2974 memset(chandef, 0, sizeof(*chandef));
942ba88b 2975 chandef->chan = ieee80211_get_channel_khz(&rdev->wiphy, control_freq);
3d9d1d66 2976 chandef->width = NL80211_CHAN_WIDTH_20_NOHT;
942ba88b
TP		 2977 chandef->center_freq1 = KHZ_TO_MHZ(control_freq);
2978 chandef->freq1_offset = control_freq % 1000;
3d9d1d66 2979 chandef->center_freq2 = 0;
683b6d3b
JB		 2980
2981 /* Primary channel not allowed */
49f9cf0e
JB		 2982 if (!chandef->chan || chandef->chan->flags & IEEE80211_CHAN_DISABLED) {
2983 NL_SET_ERR_MSG_ATTR(extack, attrs[NL80211_ATTR_WIPHY_FREQ],
2984 "Channel is disabled");
683b6d3b 2985 return -EINVAL;
49f9cf0e 2986 }
683b6d3b 2987
49f9cf0e 2988 if (attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
3d9d1d66
JB		 2989 enum nl80211_channel_type chantype;
2990
49f9cf0e 2991 chantype = nla_get_u32(attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
3d9d1d66
JB		 2992
2993 switch (chantype) {
2994 case NL80211_CHAN_NO_HT:
2995 case NL80211_CHAN_HT20:
2996 case NL80211_CHAN_HT40PLUS:
2997 case NL80211_CHAN_HT40MINUS:
2998 cfg80211_chandef_create(chandef, chandef->chan,
2999 chantype);
ffa4629e 3000 /* user input for center_freq is incorrect */
49f9cf0e
JB		 3001 if (attrs[NL80211_ATTR_CENTER_FREQ1] &&
3002 chandef->center_freq1 != nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ1])) {
3003 NL_SET_ERR_MSG_ATTR(extack,
3004 attrs[NL80211_ATTR_CENTER_FREQ1],
3005 "bad center frequency 1");
ffa4629e 3006 return -EINVAL;
49f9cf0e 3007 }
ffa4629e 3008 /* center_freq2 must be zero */
49f9cf0e
JB		 3009 if (attrs[NL80211_ATTR_CENTER_FREQ2] &&
3010 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ2])) {
3011 NL_SET_ERR_MSG_ATTR(extack,
3012 attrs[NL80211_ATTR_CENTER_FREQ2],
3013 "center frequency 2 can't be used");
ffa4629e 3014 return -EINVAL;
49f9cf0e 3015 }
3d9d1d66
JB		 3016 break;
3017 default:
49f9cf0e
JB		 3018 NL_SET_ERR_MSG_ATTR(extack,
3019 attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE],
3020 "invalid channel type");
3d9d1d66
JB		 3021 return -EINVAL;
3022 }
49f9cf0e 3023 } else if (attrs[NL80211_ATTR_CHANNEL_WIDTH]) {
3d9d1d66 3024 chandef->width =
49f9cf0e 3025 nla_get_u32(attrs[NL80211_ATTR_CHANNEL_WIDTH]);
942ba88b 3026 if (attrs[NL80211_ATTR_CENTER_FREQ1]) {
3d9d1d66 3027 chandef->center_freq1 =
49f9cf0e 3028 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ1]);
942ba88b
TP		 3029 if (attrs[NL80211_ATTR_CENTER_FREQ1_OFFSET])
3030 chandef->freq1_offset = nla_get_u32(
3031 attrs[NL80211_ATTR_CENTER_FREQ1_OFFSET]);
3032 else
3033 chandef->freq1_offset = 0;
3034 }
49f9cf0e 3035 if (attrs[NL80211_ATTR_CENTER_FREQ2])
3d9d1d66 3036 chandef->center_freq2 =
49f9cf0e 3037 nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ2]);
3d9d1d66
JB		 3038 }
3039
2a38075c
AAL		 3040 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]) {
3041 chandef->edmg.channels =
3042 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]);
3043
3044 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG])
3045 chandef->edmg.bw_config =
3046 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG]);
3047 } else {
3048 chandef->edmg.bw_config = 0;
3049 chandef->edmg.channels = 0;
3050 }
3051
49f9cf0e
JB		 3052 if (!cfg80211_chandef_valid(chandef)) {
3053 NL_SET_ERR_MSG(extack, "invalid channel definition");
3d9d1d66 3054 return -EINVAL;
49f9cf0e 3055 }
3d9d1d66 3056
9f5e8f6e 3057 if (!cfg80211_chandef_usable(&rdev->wiphy, chandef,
49f9cf0e
JB		 3058 IEEE80211_CHAN_DISABLED)) {
3059 NL_SET_ERR_MSG(extack, "(extension) channel is disabled");
3d9d1d66 3060 return -EINVAL;
49f9cf0e 3061 }
3d9d1d66 3062
2f301ab2
SW		 3063 if ((chandef->width == NL80211_CHAN_WIDTH_5 ||
3064 chandef->width == NL80211_CHAN_WIDTH_10) &&
49f9cf0e
JB		 3065 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ)) {
3066 NL_SET_ERR_MSG(extack, "5/10 MHz not supported");
2f301ab2 3067 return -EINVAL;
49f9cf0e 3068 }
2f301ab2 3069
683b6d3b
JB		 3070 return 0;
3071}
3072
f444de05 3073static int __nl80211_set_channel(struct cfg80211_registered_device *rdev,
e16821bc 3074 struct net_device *dev,
f444de05
JB		 3075 struct genl_info *info)
3076{
683b6d3b 3077 struct cfg80211_chan_def chandef;
f444de05 3078 int result;
e8c9bd5b 3079 enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR;
e16821bc 3080 struct wireless_dev *wdev = NULL;
e8c9bd5b 3081
e16821bc
JM		 3082 if (dev)
3083 wdev = dev->ieee80211_ptr;
f444de05
JB		 3084 if (!nl80211_can_set_dev_channel(wdev))
3085 return -EOPNOTSUPP;
e16821bc
JM		 3086 if (wdev)
3087 iftype = wdev->iftype;
f444de05 3088
683b6d3b
JB		 3089 result = nl80211_parse_chandef(rdev, info, &chandef);
3090 if (result)
3091 return result;
f444de05 3092
e8c9bd5b 3093 switch (iftype) {
aa430da4
JB		 3094 case NL80211_IFTYPE_AP:
3095 case NL80211_IFTYPE_P2P_GO:
923b352f
AN		 3096 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
3097 iftype)) {
aa430da4
JB		 3098 result = -EINVAL;
3099 break;
3100 }
e16821bc
JM		 3101 if (wdev->beacon_interval) {
3102 if (!dev || !rdev->ops->set_ap_chanwidth ||
3103 !(rdev->wiphy.features &
3104 NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE)) {
3105 result = -EBUSY;
3106 break;
3107 }
3108
3109 /* Only allow dynamic channel width changes */
3110 if (chandef.chan != wdev->preset_chandef.chan) {
3111 result = -EBUSY;
3112 break;
3113 }
3114 result = rdev_set_ap_chanwidth(rdev, dev, &chandef);
3115 if (result)
3116 break;
3117 }
683b6d3b 3118 wdev->preset_chandef = chandef;
aa430da4
JB		 3119 result = 0;
3120 break;
cc1d2806 3121 case NL80211_IFTYPE_MESH_POINT:
683b6d3b 3122 result = cfg80211_set_mesh_channel(rdev, wdev, &chandef);
cc1d2806 3123 break;
e8c9bd5b 3124 case NL80211_IFTYPE_MONITOR:
683b6d3b 3125 result = cfg80211_set_monitor_channel(rdev, &chandef);
e8c9bd5b 3126 break;
aa430da4 3127 default:
e8c9bd5b 3128 result = -EINVAL;
f444de05 3129 }
f444de05
JB		 3130
3131 return result;
3132}
3133
3134static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info)
3135{
4c476991
JB		 3136 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3137 struct net_device *netdev = info->user_ptr[1];
f444de05 3138
e16821bc 3139 return __nl80211_set_channel(rdev, netdev, info);
f444de05
JB		 3140}
3141
55682965
JB		 3142static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
3143{
3144 struct cfg80211_registered_device *rdev;
f444de05
JB		 3145 struct net_device *netdev = NULL;
3146 struct wireless_dev *wdev;
a1e567c8 3147 int result = 0, rem_txq_params = 0;
31888487 3148 struct nlattr *nl_txq_params;
b9a5f8ca
JM		 3149 u32 changed;
3150 u8 retry_short = 0, retry_long = 0;
3151 u32 frag_threshold = 0, rts_threshold = 0;
81077e82 3152 u8 coverage_class = 0;
52539ca8 3153 u32 txq_limit = 0, txq_memory_limit = 0, txq_quantum = 0;
55682965 3154
5fe231e8
JB		 3155 ASSERT_RTNL();
3156
f444de05
JB		 3157 /*
3158 * Try to find the wiphy and netdev. Normally this
3159 * function shouldn't need the netdev, but this is
3160 * done for backward compatibility -- previously
3161 * setting the channel was done per wiphy, but now
3162 * it is per netdev. Previous userland like hostapd
3163 * also passed a netdev to set_wiphy, so that it is
3164 * possible to let that go to the right netdev!
3165 */
4bbf4d56 3166
f444de05
JB		 3167 if (info->attrs[NL80211_ATTR_IFINDEX]) {
3168 int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]);
3169
7f2b8562 3170 netdev = __dev_get_by_index(genl_info_net(info), ifindex);
5fe231e8 3171 if (netdev && netdev->ieee80211_ptr)
f26cbf40 3172 rdev = wiphy_to_rdev(netdev->ieee80211_ptr->wiphy);
5fe231e8 3173 else
f444de05 3174 netdev = NULL;
4bbf4d56
JB		 3175 }
3176
f444de05 3177 if (!netdev) {
878d9ec7
JB		 3178 rdev = __cfg80211_rdev_from_attrs(genl_info_net(info),
3179 info->attrs);
5fe231e8 3180 if (IS_ERR(rdev))
4c476991 3181 return PTR_ERR(rdev);
f444de05
JB		 3182 wdev = NULL;
3183 netdev = NULL;
3184 result = 0;
71fe96bf 3185 } else
f444de05 3186 wdev = netdev->ieee80211_ptr;
f444de05
JB		 3187
3188 /*
3189 * end workaround code, by now the rdev is available
3190 * and locked, and wdev may or may not be NULL.
3191 */
4bbf4d56
JB		 3192
3193 if (info->attrs[NL80211_ATTR_WIPHY_NAME])
31888487
JM		 3194 result = cfg80211_dev_rename(
3195 rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME]));
4bbf4d56 3196
4bbf4d56 3197 if (result)
7f2b8562 3198 return result;
31888487
JM		 3199
3200 if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) {
3201 struct ieee80211_txq_params txq_params;
3202 struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1];
3203
7f2b8562
YX		 3204 if (!rdev->ops->set_txq_params)
3205 return -EOPNOTSUPP;
31888487 3206
7f2b8562
YX		 3207 if (!netdev)
3208 return -EINVAL;
f70f01c2 3209
133a3ff2 3210 if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
7f2b8562
YX		 3211 netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
3212 return -EINVAL;
133a3ff2 3213
7f2b8562
YX		 3214 if (!netif_running(netdev))
3215 return -ENETDOWN;
2b5f8b0b 3216
31888487
JM		 3217 nla_for_each_nested(nl_txq_params,
3218 info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS],
3219 rem_txq_params) {
8cb08174
JB		 3220 result = nla_parse_nested_deprecated(tb,
3221 NL80211_TXQ_ATTR_MAX,
3222 nl_txq_params,
3223 txq_params_policy,
3224 info->extack);
ae811e21
JB		 3225 if (result)
3226 return result;
31888487
JM		 3227 result = parse_txq_params(tb, &txq_params);
3228 if (result)
7f2b8562 3229 return result;
31888487 3230
e35e4d28
HG		 3231 result = rdev_set_txq_params(rdev, netdev,
3232 &txq_params);
31888487 3233 if (result)
7f2b8562 3234 return result;
31888487
JM		 3235 }
3236 }
55682965 3237
72bdcf34 3238 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
e16821bc
JM		 3239 result = __nl80211_set_channel(
3240 rdev,
3241 nl80211_can_set_dev_channel(wdev) ? netdev : NULL,
3242 info);
72bdcf34 3243 if (result)
7f2b8562 3244 return result;
72bdcf34
JM		 3245 }
3246
98d2ff8b 3247 if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) {
c8442118 3248 struct wireless_dev *txp_wdev = wdev;
98d2ff8b
JO		 3249 enum nl80211_tx_power_setting type;
3250 int idx, mbm = 0;
3251
c8442118
JB		 3252 if (!(rdev->wiphy.features & NL80211_FEATURE_VIF_TXPOWER))
3253 txp_wdev = NULL;
3254
7f2b8562
YX		 3255 if (!rdev->ops->set_tx_power)
3256 return -EOPNOTSUPP;
98d2ff8b
JO		 3257
3258 idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING;
3259 type = nla_get_u32(info->attrs[idx]);
3260
3261 if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] &&
7f2b8562
YX		 3262 (type != NL80211_TX_POWER_AUTOMATIC))
3263 return -EINVAL;
98d2ff8b
JO		 3264
3265 if (type != NL80211_TX_POWER_AUTOMATIC) {
3266 idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL;
3267 mbm = nla_get_u32(info->attrs[idx]);
3268 }
3269
c8442118 3270 result = rdev_set_tx_power(rdev, txp_wdev, type, mbm);
98d2ff8b 3271 if (result)
7f2b8562 3272 return result;
98d2ff8b
JO		 3273 }
3274
afe0cbf8
BR		 3275 if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] &&
3276 info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) {
3277 u32 tx_ant, rx_ant;
7a087e74 3278
7f531e03
BR		 3279 if ((!rdev->wiphy.available_antennas_tx &&
3280 !rdev->wiphy.available_antennas_rx) ||
7f2b8562
YX		 3281 !rdev->ops->set_antenna)
3282 return -EOPNOTSUPP;
afe0cbf8
BR		 3283
3284 tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]);
3285 rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]);
3286
a7ffac95 3287 /* reject antenna configurations which don't match the
7f531e03
BR		 3288 * available antenna masks, except for the "all" mask */
3289 if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) ||
7f2b8562
YX		 3290 (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx)))
3291 return -EINVAL;
a7ffac95 3292
7f531e03
BR		 3293 tx_ant = tx_ant & rdev->wiphy.available_antennas_tx;
3294 rx_ant = rx_ant & rdev->wiphy.available_antennas_rx;
a7ffac95 3295
e35e4d28 3296 result = rdev_set_antenna(rdev, tx_ant, rx_ant);
afe0cbf8 3297 if (result)
7f2b8562 3298 return result;
afe0cbf8
BR		 3299 }
3300
b9a5f8ca
JM		 3301 changed = 0;
3302
3303 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) {
3304 retry_short = nla_get_u8(
3305 info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]);
7f2b8562 3306
b9a5f8ca
JM		 3307 changed |= WIPHY_PARAM_RETRY_SHORT;
3308 }
3309
3310 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) {
3311 retry_long = nla_get_u8(
3312 info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]);
7f2b8562 3313
b9a5f8ca
JM		 3314 changed |= WIPHY_PARAM_RETRY_LONG;
3315 }
3316
3317 if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) {
3318 frag_threshold = nla_get_u32(
3319 info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]);
7f2b8562
YX		 3320 if (frag_threshold < 256)
3321 return -EINVAL;
3322
b9a5f8ca
JM		 3323 if (frag_threshold != (u32) -1) {
3324 /*
3325 * Fragments (apart from the last one) are required to
3326 * have even length. Make the fragmentation code
3327 * simpler by stripping LSB should someone try to use
3328 * odd threshold value.
3329 */
3330 frag_threshold &= ~0x1;
3331 }
3332 changed |= WIPHY_PARAM_FRAG_THRESHOLD;
3333 }
3334
3335 if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) {
3336 rts_threshold = nla_get_u32(
3337 info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]);
3338 changed |= WIPHY_PARAM_RTS_THRESHOLD;
3339 }
3340
81077e82 3341 if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) {
3057dbfd
LB		 3342 if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK])
3343 return -EINVAL;
3344
81077e82
LT		 3345 coverage_class = nla_get_u8(
3346 info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]);
3347 changed |= WIPHY_PARAM_COVERAGE_CLASS;
3348 }
3349
3057dbfd
LB		 3350 if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) {
3351 if (!(rdev->wiphy.features & NL80211_FEATURE_ACKTO_ESTIMATION))
3352 return -EOPNOTSUPP;
3353
3354 changed |= WIPHY_PARAM_DYN_ACK;
81077e82
LT		 3355 }
3356
52539ca8
THJ		 3357 if (info->attrs[NL80211_ATTR_TXQ_LIMIT]) {
3358 if (!wiphy_ext_feature_isset(&rdev->wiphy,
3359 NL80211_EXT_FEATURE_TXQS))
3360 return -EOPNOTSUPP;
3361 txq_limit = nla_get_u32(
3362 info->attrs[NL80211_ATTR_TXQ_LIMIT]);
3363 changed |= WIPHY_PARAM_TXQ_LIMIT;
3364 }
3365
3366 if (info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]) {
3367 if (!wiphy_ext_feature_isset(&rdev->wiphy,
3368 NL80211_EXT_FEATURE_TXQS))
3369 return -EOPNOTSUPP;
3370 txq_memory_limit = nla_get_u32(
3371 info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]);
3372 changed |= WIPHY_PARAM_TXQ_MEMORY_LIMIT;
3373 }
3374
3375 if (info->attrs[NL80211_ATTR_TXQ_QUANTUM]) {
3376 if (!wiphy_ext_feature_isset(&rdev->wiphy,
3377 NL80211_EXT_FEATURE_TXQS))
3378 return -EOPNOTSUPP;
3379 txq_quantum = nla_get_u32(
3380 info->attrs[NL80211_ATTR_TXQ_QUANTUM]);
3381 changed |= WIPHY_PARAM_TXQ_QUANTUM;
3382 }
3383
b9a5f8ca
JM		 3384 if (changed) {
3385 u8 old_retry_short, old_retry_long;
3386 u32 old_frag_threshold, old_rts_threshold;
81077e82 3387 u8 old_coverage_class;
52539ca8 3388 u32 old_txq_limit, old_txq_memory_limit, old_txq_quantum;
b9a5f8ca 3389
7f2b8562
YX		 3390 if (!rdev->ops->set_wiphy_params)
3391 return -EOPNOTSUPP;
b9a5f8ca
JM		 3392
3393 old_retry_short = rdev->wiphy.retry_short;
3394 old_retry_long = rdev->wiphy.retry_long;
3395 old_frag_threshold = rdev->wiphy.frag_threshold;
3396 old_rts_threshold = rdev->wiphy.rts_threshold;
81077e82 3397 old_coverage_class = rdev->wiphy.coverage_class;
52539ca8
THJ		 3398 old_txq_limit = rdev->wiphy.txq_limit;
3399 old_txq_memory_limit = rdev->wiphy.txq_memory_limit;
3400 old_txq_quantum = rdev->wiphy.txq_quantum;
b9a5f8ca
JM		 3401
3402 if (changed & WIPHY_PARAM_RETRY_SHORT)
3403 rdev->wiphy.retry_short = retry_short;
3404 if (changed & WIPHY_PARAM_RETRY_LONG)
3405 rdev->wiphy.retry_long = retry_long;
3406 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
3407 rdev->wiphy.frag_threshold = frag_threshold;
3408 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
3409 rdev->wiphy.rts_threshold = rts_threshold;
81077e82
LT		 3410 if (changed & WIPHY_PARAM_COVERAGE_CLASS)
3411 rdev->wiphy.coverage_class = coverage_class;
52539ca8
THJ		 3412 if (changed & WIPHY_PARAM_TXQ_LIMIT)
3413 rdev->wiphy.txq_limit = txq_limit;
3414 if (changed & WIPHY_PARAM_TXQ_MEMORY_LIMIT)
3415 rdev->wiphy.txq_memory_limit = txq_memory_limit;
3416 if (changed & WIPHY_PARAM_TXQ_QUANTUM)
3417 rdev->wiphy.txq_quantum = txq_quantum;
b9a5f8ca 3418
e35e4d28 3419 result = rdev_set_wiphy_params(rdev, changed);
b9a5f8ca
JM		 3420 if (result) {
3421 rdev->wiphy.retry_short = old_retry_short;
3422 rdev->wiphy.retry_long = old_retry_long;
3423 rdev->wiphy.frag_threshold = old_frag_threshold;
3424 rdev->wiphy.rts_threshold = old_rts_threshold;
81077e82 3425 rdev->wiphy.coverage_class = old_coverage_class;
52539ca8
THJ		 3426 rdev->wiphy.txq_limit = old_txq_limit;
3427 rdev->wiphy.txq_memory_limit = old_txq_memory_limit;
3428 rdev->wiphy.txq_quantum = old_txq_quantum;
9189ee31 3429 return result;
b9a5f8ca
JM		 3430 }
3431 }
7f2b8562 3432 return 0;
55682965
JB		 3433}
3434
683b6d3b 3435static int nl80211_send_chandef(struct sk_buff *msg,
d2859df5 3436 const struct cfg80211_chan_def *chandef)
683b6d3b 3437{
601555cd
JB		 3438 if (WARN_ON(!cfg80211_chandef_valid(chandef)))
3439 return -EINVAL;
3d9d1d66 3440
683b6d3b
JB		 3441 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
3442 chandef->chan->center_freq))
3443 return -ENOBUFS;
942ba88b
TP		 3444 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_OFFSET,
3445 chandef->chan->freq_offset))
3446 return -ENOBUFS;
3d9d1d66
JB		 3447 switch (chandef->width) {
3448 case NL80211_CHAN_WIDTH_20_NOHT:
3449 case NL80211_CHAN_WIDTH_20:
3450 case NL80211_CHAN_WIDTH_40:
3451 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
3452 cfg80211_get_chandef_type(chandef)))
3453 return -ENOBUFS;
3454 break;
3455 default:
3456 break;
3457 }
3458 if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, chandef->width))
3459 return -ENOBUFS;
3460 if (nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, chandef->center_freq1))
3461 return -ENOBUFS;
3462 if (chandef->center_freq2 &&
3463 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, chandef->center_freq2))
683b6d3b
JB		 3464 return -ENOBUFS;
3465 return 0;
3466}
3467
15e47304 3468static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags,
d726405a 3469 struct cfg80211_registered_device *rdev,
3d1a5bbf
AZ		 3470 struct wireless_dev *wdev,
3471 enum nl80211_commands cmd)
55682965 3472{
72fb2abc 3473 struct net_device *dev = wdev->netdev;
55682965
JB		 3474 void *hdr;
3475
3d1a5bbf
AZ		 3476 WARN_ON(cmd != NL80211_CMD_NEW_INTERFACE &&
3477 cmd != NL80211_CMD_DEL_INTERFACE &&
3478 cmd != NL80211_CMD_SET_INTERFACE);
8f894be2
TB		 3479
3480 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
55682965
JB		 3481 if (!hdr)
3482 return -1;
3483
72fb2abc
JB		 3484 if (dev &&
3485 (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
98104fde 3486 nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name)))
72fb2abc
JB		 3487 goto nla_put_failure;
3488
3489 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
3490 nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) ||
2dad624e
ND		 3491 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
3492 NL80211_ATTR_PAD) ||
98104fde 3493 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) ||
9360ffd1
DM		 3494 nla_put_u32(msg, NL80211_ATTR_GENERATION,
3495 rdev->devlist_generation ^
446faa15
AQ		 3496 (cfg80211_rdev_list_generation << 2)) ||
3497 nla_put_u8(msg, NL80211_ATTR_4ADDR, wdev->use_4addr))
9360ffd1 3498 goto nla_put_failure;
f5ea9120 3499
5b7ccaf3 3500 if (rdev->ops->get_channel) {
683b6d3b 3501 int ret;
f43e5210 3502 struct cfg80211_chan_def chandef = {};
683b6d3b
JB		 3503
3504 ret = rdev_get_channel(rdev, wdev, &chandef);
3505 if (ret == 0) {
3506 if (nl80211_send_chandef(msg, &chandef))
3507 goto nla_put_failure;
3508 }
d91df0e3
PF		 3509 }
3510
d55d0d59
RM		 3511 if (rdev->ops->get_tx_power) {
3512 int dbm, ret;
3513
3514 ret = rdev_get_tx_power(rdev, wdev, &dbm);
3515 if (ret == 0 &&
3516 nla_put_u32(msg, NL80211_ATTR_WIPHY_TX_POWER_LEVEL,
3517 DBM_TO_MBM(dbm)))
3518 goto nla_put_failure;
3519 }
3520
44905265
JB		 3521 wdev_lock(wdev);
3522 switch (wdev->iftype) {
3523 case NL80211_IFTYPE_AP:
3524 if (wdev->ssid_len &&
3525 nla_put(msg, NL80211_ATTR_SSID, wdev->ssid_len, wdev->ssid))
4564b187 3526 goto nla_put_failure_locked;
44905265
JB		 3527 break;
3528 case NL80211_IFTYPE_STATION:
3529 case NL80211_IFTYPE_P2P_CLIENT:
3530 case NL80211_IFTYPE_ADHOC: {
3531 const u8 *ssid_ie;
3532 if (!wdev->current_bss)
3533 break;
7a94b8c2 3534 rcu_read_lock();
44905265
JB		 3535 ssid_ie = ieee80211_bss_get_ie(&wdev->current_bss->pub,
3536 WLAN_EID_SSID);
7a94b8c2
DB		 3537 if (ssid_ie &&
3538 nla_put(msg, NL80211_ATTR_SSID, ssid_ie[1], ssid_ie + 2))
3539 goto nla_put_failure_rcu_locked;
3540 rcu_read_unlock();
44905265
JB		 3541 break;
3542 }
3543 default:
3544 /* nothing */
3545 break;
b84e7a05 3546 }
44905265 3547 wdev_unlock(wdev);
b84e7a05 3548
52539ca8
THJ		 3549 if (rdev->ops->get_txq_stats) {
3550 struct cfg80211_txq_stats txqstats = {};
3551 int ret = rdev_get_txq_stats(rdev, wdev, &txqstats);
3552
3553 if (ret == 0 &&
3554 !nl80211_put_txq_stats(msg, &txqstats,
3555 NL80211_ATTR_TXQ_STATS))
3556 goto nla_put_failure;
3557 }
3558
053c095a
JB		 3559 genlmsg_end(msg, hdr);
3560 return 0;
55682965 3561
7a94b8c2
DB		 3562 nla_put_failure_rcu_locked:
3563 rcu_read_unlock();
4564b187
JB		 3564 nla_put_failure_locked:
3565 wdev_unlock(wdev);
55682965 3566 nla_put_failure:
bc3ed28c
TG		 3567 genlmsg_cancel(msg, hdr);
3568 return -EMSGSIZE;
55682965
JB		 3569}
3570
3571static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb)
3572{
3573 int wp_idx = 0;
3574 int if_idx = 0;
3575 int wp_start = cb->args[0];
3576 int if_start = cb->args[1];
b7fb44da 3577 int filter_wiphy = -1;
f5ea9120 3578 struct cfg80211_registered_device *rdev;
55682965 3579 struct wireless_dev *wdev;
ea90e0dc 3580 int ret;
55682965 3581
5fe231e8 3582 rtnl_lock();
b7fb44da
DK		 3583 if (!cb->args[2]) {
3584 struct nl80211_dump_wiphy_state state = {
3585 .filter_wiphy = -1,
3586 };
b7fb44da
DK		 3587
3588 ret = nl80211_dump_wiphy_parse(skb, cb, &state);
3589 if (ret)
ea90e0dc 3590 goto out_unlock;
b7fb44da
DK		 3591
3592 filter_wiphy = state.filter_wiphy;
3593
3594 /*
3595 * if filtering, set cb->args[2] to +1 since 0 is the default
3596 * value needed to determine that parsing is necessary.
3597 */
3598 if (filter_wiphy >= 0)
3599 cb->args[2] = filter_wiphy + 1;
3600 else
3601 cb->args[2] = -1;
3602 } else if (cb->args[2] > 0) {
3603 filter_wiphy = cb->args[2] - 1;
3604 }
3605
f5ea9120
JB		 3606 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
3607 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
463d0183 3608 continue;
bba95fef
JB		 3609 if (wp_idx < wp_start) {
3610 wp_idx++;
55682965 3611 continue;
bba95fef 3612 }
b7fb44da
DK		 3613
3614 if (filter_wiphy >= 0 && filter_wiphy != rdev->wiphy_idx)
3615 continue;
3616
55682965
JB		 3617 if_idx = 0;
3618
53873f13 3619 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
bba95fef
JB		 3620 if (if_idx < if_start) {
3621 if_idx++;
55682965 3622 continue;
bba95fef 3623 }
15e47304 3624 if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid,
55682965 3625 cb->nlh->nlmsg_seq, NLM_F_MULTI,
3d1a5bbf
AZ		 3626 rdev, wdev,
3627 NL80211_CMD_NEW_INTERFACE) < 0) {
bba95fef
JB		 3628 goto out;
3629 }
3630 if_idx++;
55682965 3631 }
bba95fef
JB		 3632
3633 wp_idx++;
55682965 3634 }
bba95fef 3635 out:
55682965
JB		 3636 cb->args[0] = wp_idx;
3637 cb->args[1] = if_idx;
3638
ea90e0dc
JB		 3639 ret = skb->len;
3640 out_unlock:
3641 rtnl_unlock();
3642
3643 return ret;
55682965
JB		 3644}
3645
3646static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info)
3647{
3648 struct sk_buff *msg;
1b8ec87a 3649 struct cfg80211_registered_device *rdev = info->user_ptr[0];
72fb2abc 3650 struct wireless_dev *wdev = info->user_ptr[1];
55682965 3651
fd2120ca 3652 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
55682965 3653 if (!msg)
4c476991 3654 return -ENOMEM;
55682965 3655
15e47304 3656 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
3d1a5bbf 3657 rdev, wdev, NL80211_CMD_NEW_INTERFACE) < 0) {
4c476991
JB		 3658 nlmsg_free(msg);
3659 return -ENOBUFS;
3660 }
55682965 3661
134e6375 3662 return genlmsg_reply(msg, info);
55682965
JB		 3663}
3664
66f7ac50
MW		 3665static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = {
3666 [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG },
3667 [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG },
3668 [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG },
3669 [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG },
3670 [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG },
e057d3c3 3671 [NL80211_MNTR_FLAG_ACTIVE] = { .type = NLA_FLAG },
66f7ac50
MW		 3672};
3673
3674static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags)
3675{
3676 struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1];
3677 int flag;
3678
3679 *mntrflags = 0;
3680
3681 if (!nla)
3682 return -EINVAL;
3683
8cb08174 3684 if (nla_parse_nested_deprecated(flags, NL80211_MNTR_FLAG_MAX, nla, mntr_flags_policy, NULL))
66f7ac50
MW		 3685 return -EINVAL;
3686
3687 for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++)
3688 if (flags[flag])
3689 *mntrflags |= (1<<flag);
3690
818a986e
JB		 3691 *mntrflags |= MONITOR_FLAG_CHANGED;
3692
66f7ac50
MW		 3693 return 0;
3694}
3695
1db77596
JB		 3696static int nl80211_parse_mon_options(struct cfg80211_registered_device *rdev,
3697 enum nl80211_iftype type,
3698 struct genl_info *info,
3699 struct vif_params *params)
3700{
3701 bool change = false;
3702 int err;
3703
3704 if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) {
3705 if (type != NL80211_IFTYPE_MONITOR)
3706 return -EINVAL;
3707
3708 err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS],
3709 &params->flags);
3710 if (err)
3711 return err;
3712
3713 change = true;
3714 }
3715
3716 if (params->flags & MONITOR_FLAG_ACTIVE &&
3717 !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR))
3718 return -EOPNOTSUPP;
3719
3720 if (info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]) {
3721 const u8 *mumimo_groups;
3722 u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER;
3723
3724 if (type != NL80211_IFTYPE_MONITOR)
3725 return -EINVAL;
3726
3727 if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag))
3728 return -EOPNOTSUPP;
3729
3730 mumimo_groups =
3731 nla_data(info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]);
3732
3733 /* bits 0 and 63 are reserved and must be zero */
4954601f
JB		 3734 if ((mumimo_groups[0] & BIT(0)) ||
3735 (mumimo_groups[VHT_MUMIMO_GROUPS_DATA_LEN - 1] & BIT(7)))
1db77596
JB		 3736 return -EINVAL;
3737
3738 params->vht_mumimo_groups = mumimo_groups;
3739 change = true;
3740 }
3741
3742 if (info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]) {
3743 u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER;
3744
3745 if (type != NL80211_IFTYPE_MONITOR)
3746 return -EINVAL;
3747
3748 if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag))
3749 return -EOPNOTSUPP;
3750
3751 params->vht_mumimo_follow_addr =
3752 nla_data(info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]);
3753 change = true;
3754 }
3755
3756 return change ? 1 : 0;
3757}
3758
9bc383de 3759static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev,
ad4bb6f8
JB		 3760 struct net_device *netdev, u8 use_4addr,
3761 enum nl80211_iftype iftype)
9bc383de 3762{
ad4bb6f8 3763 if (!use_4addr) {
2e92a2d0 3764 if (netdev && netif_is_bridge_port(netdev))
ad4bb6f8 3765 return -EBUSY;
9bc383de 3766 return 0;
ad4bb6f8 3767 }
9bc383de
JB		 3768
3769 switch (iftype) {
3770 case NL80211_IFTYPE_AP_VLAN:
3771 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP)
3772 return 0;
3773 break;
3774 case NL80211_IFTYPE_STATION:
3775 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION)
3776 return 0;
3777 break;
3778 default:
3779 break;
3780 }
3781
3782 return -EOPNOTSUPP;
3783}
3784
55682965
JB		 3785static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
3786{
4c476991 3787 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2ec600d6 3788 struct vif_params params;
e36d56b6 3789 int err;
04a773ad 3790 enum nl80211_iftype otype, ntype;
4c476991 3791 struct net_device *dev = info->user_ptr[1];
ac7f9cfa 3792 bool change = false;
55682965 3793
2ec600d6
LCC		 3794 memset(&params, 0, sizeof(params));
3795
04a773ad 3796 otype = ntype = dev->ieee80211_ptr->iftype;
55682965 3797
723b038d 3798 if (info->attrs[NL80211_ATTR_IFTYPE]) {
ac7f9cfa 3799 ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
04a773ad 3800 if (otype != ntype)
ac7f9cfa 3801 change = true;
723b038d
JB		 3802 }
3803
92ffe055 3804 if (info->attrs[NL80211_ATTR_MESH_ID]) {
29cbe68c
JB		 3805 struct wireless_dev *wdev = dev->ieee80211_ptr;
3806
4c476991
JB		 3807 if (ntype != NL80211_IFTYPE_MESH_POINT)
3808 return -EINVAL;
29cbe68c
JB		 3809 if (netif_running(dev))
3810 return -EBUSY;
3811
3812 wdev_lock(wdev);
3813 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
3814 IEEE80211_MAX_MESH_ID_LEN);
3815 wdev->mesh_id_up_len =
3816 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
3817 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
3818 wdev->mesh_id_up_len);
3819 wdev_unlock(wdev);
2ec600d6
LCC		 3820 }
3821
8b787643
FF		 3822 if (info->attrs[NL80211_ATTR_4ADDR]) {
3823 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
3824 change = true;
ad4bb6f8 3825 err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype);
9bc383de 3826 if (err)
4c476991 3827 return err;
8b787643
FF		 3828 } else {
3829 params.use_4addr = -1;
3830 }
3831
1db77596
JB		 3832 err = nl80211_parse_mon_options(rdev, ntype, info, &params);
3833 if (err < 0)
3834 return err;
3835 if (err > 0)
c6e6a0c8 3836 change = true;
e057d3c3 3837
ac7f9cfa 3838 if (change)
818a986e 3839 err = cfg80211_change_iface(rdev, dev, ntype, &params);
ac7f9cfa
JB		 3840 else
3841 err = 0;
60719ffd 3842
9bc383de
JB		 3843 if (!err && params.use_4addr != -1)
3844 dev->ieee80211_ptr->use_4addr = params.use_4addr;
3845
3d1a5bbf
AZ		 3846 if (change && !err) {
3847 struct wireless_dev *wdev = dev->ieee80211_ptr;
3848
3849 nl80211_notify_iface(rdev, wdev, NL80211_CMD_SET_INTERFACE);
3850 }
3851
55682965
JB		 3852 return err;
3853}
3854
3855static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
3856{
4c476991 3857 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2ec600d6 3858 struct vif_params params;
84efbb84 3859 struct wireless_dev *wdev;
896ff063 3860 struct sk_buff *msg;
55682965
JB		 3861 int err;
3862 enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED;
3863
78f22b6a
JB		 3864 /* to avoid failing a new interface creation due to pending removal */
3865 cfg80211_destroy_ifaces(rdev);
3866
2ec600d6
LCC		 3867 memset(&params, 0, sizeof(params));
3868
55682965
JB		 3869 if (!info->attrs[NL80211_ATTR_IFNAME])
3870 return -EINVAL;
3871
ab0d76f6 3872 if (info->attrs[NL80211_ATTR_IFTYPE])
55682965 3873 type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
55682965 3874
33d915d9 3875 if (!rdev->ops->add_virtual_intf)
4c476991 3876 return -EOPNOTSUPP;
55682965 3877
cb3b7d87 3878 if ((type == NL80211_IFTYPE_P2P_DEVICE || type == NL80211_IFTYPE_NAN ||
e8f479b1
BG		 3879 rdev->wiphy.features & NL80211_FEATURE_MAC_ON_CREATE) &&
3880 info->attrs[NL80211_ATTR_MAC]) {
1c18f145
AS		 3881 nla_memcpy(params.macaddr, info->attrs[NL80211_ATTR_MAC],
3882 ETH_ALEN);
3883 if (!is_valid_ether_addr(params.macaddr))
3884 return -EADDRNOTAVAIL;
3885 }
3886
9bc383de 3887 if (info->attrs[NL80211_ATTR_4ADDR]) {
8b787643 3888 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
ad4bb6f8 3889 err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type);
9bc383de 3890 if (err)
4c476991 3891 return err;
9bc383de 3892 }
8b787643 3893
e6f40511 3894 if (!cfg80211_iftype_allowed(&rdev->wiphy, type, params.use_4addr, 0))
33d915d9
MP		 3895 return -EOPNOTSUPP;
3896
1db77596
JB		 3897 err = nl80211_parse_mon_options(rdev, type, info, &params);
3898 if (err < 0)
3899 return err;
e057d3c3 3900
a18c7192
JB		 3901 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
3902 if (!msg)
3903 return -ENOMEM;
3904
e35e4d28
HG		 3905 wdev = rdev_add_virtual_intf(rdev,
3906 nla_data(info->attrs[NL80211_ATTR_IFNAME]),
818a986e 3907 NET_NAME_USER, type, &params);
d687cbb7
RM		 3908 if (WARN_ON(!wdev)) {
3909 nlmsg_free(msg);
3910 return -EPROTO;
3911 } else if (IS_ERR(wdev)) {
1c90f9d4 3912 nlmsg_free(msg);
84efbb84 3913 return PTR_ERR(wdev);
1c90f9d4 3914 }
2ec600d6 3915
18e5ca65 3916 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
78f22b6a
JB		 3917 wdev->owner_nlportid = info->snd_portid;
3918
98104fde
JB		 3919 switch (type) {
3920 case NL80211_IFTYPE_MESH_POINT:
3921 if (!info->attrs[NL80211_ATTR_MESH_ID])
3922 break;
29cbe68c
JB		 3923 wdev_lock(wdev);
3924 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
3925 IEEE80211_MAX_MESH_ID_LEN);
3926 wdev->mesh_id_up_len =
3927 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
3928 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
3929 wdev->mesh_id_up_len);
3930 wdev_unlock(wdev);
98104fde 3931 break;
cb3b7d87 3932 case NL80211_IFTYPE_NAN:
98104fde
JB		 3933 case NL80211_IFTYPE_P2P_DEVICE:
3934 /*
cb3b7d87 3935 * P2P Device and NAN do not have a netdev, so don't go
98104fde
JB		 3936 * through the netdev notifier and must be added here
3937 */
9bdaf3b9
JB		 3938 cfg80211_init_wdev(wdev);
3939 cfg80211_register_wdev(rdev, wdev);
98104fde
JB		 3940 break;
3941 default:
3942 break;
29cbe68c
JB		 3943 }
3944
15e47304 3945 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
3d1a5bbf 3946 rdev, wdev, NL80211_CMD_NEW_INTERFACE) < 0) {
1c90f9d4
JB		 3947 nlmsg_free(msg);
3948 return -ENOBUFS;
3949 }
3950
3951 return genlmsg_reply(msg, info);
55682965
JB		 3952}
3953
3954static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info)
3955{
4c476991 3956 struct cfg80211_registered_device *rdev = info->user_ptr[0];
84efbb84 3957 struct wireless_dev *wdev = info->user_ptr[1];
55682965 3958
4c476991
JB		 3959 if (!rdev->ops->del_virtual_intf)
3960 return -EOPNOTSUPP;
55682965 3961
84efbb84
JB		 3962 /*
3963 * If we remove a wireless device without a netdev then clear
3964 * user_ptr[1] so that nl80211_post_doit won't dereference it
3965 * to check if it needs to do dev_put(). Otherwise it crashes
3966 * since the wdev has been freed, unlike with a netdev where
3967 * we need the dev_put() for the netdev to really be freed.
3968 */
3969 if (!wdev->netdev)
3970 info->user_ptr[1] = NULL;
3971
7f8ed01e 3972 return rdev_del_virtual_intf(rdev, wdev);
55682965
JB		 3973}
3974
1d9d9213
SW		 3975static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info)
3976{
3977 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3978 struct net_device *dev = info->user_ptr[1];
3979 u16 noack_map;
3980
3981 if (!info->attrs[NL80211_ATTR_NOACK_MAP])
3982 return -EINVAL;
3983
3984 if (!rdev->ops->set_noack_map)
3985 return -EOPNOTSUPP;
3986
3987 noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]);
3988
e35e4d28 3989 return rdev_set_noack_map(rdev, dev, noack_map);
1d9d9213
SW		 3990}
3991
41ade00f
JB		 3992struct get_key_cookie {
3993 struct sk_buff *msg;
3994 int error;
b9454e83 3995 int idx;
41ade00f
JB		 3996};
3997
3998static void get_key_callback(void *c, struct key_params *params)
3999{
b9454e83 4000 struct nlattr *key;
41ade00f
JB		 4001 struct get_key_cookie *cookie = c;
4002
9360ffd1
DM		 4003 if ((params->key &&
4004 nla_put(cookie->msg, NL80211_ATTR_KEY_DATA,
4005 params->key_len, params->key)) ||
4006 (params->seq &&
4007 nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ,
4008 params->seq_len, params->seq)) ||
4009 (params->cipher &&
4010 nla_put_u32(cookie->msg, NL80211_ATTR_KEY_CIPHER,
4011 params->cipher)))
4012 goto nla_put_failure;
41ade00f 4013
ae0be8de 4014 key = nla_nest_start_noflag(cookie->msg, NL80211_ATTR_KEY);
b9454e83
JB		 4015 if (!key)
4016 goto nla_put_failure;
4017
9360ffd1
DM		 4018 if ((params->key &&
4019 nla_put(cookie->msg, NL80211_KEY_DATA,
4020 params->key_len, params->key)) ||
4021 (params->seq &&
4022 nla_put(cookie->msg, NL80211_KEY_SEQ,
4023 params->seq_len, params->seq)) ||
4024 (params->cipher &&
4025 nla_put_u32(cookie->msg, NL80211_KEY_CIPHER,
4026 params->cipher)))
4027 goto nla_put_failure;
b9454e83 4028
efdfce72 4029 if (nla_put_u8(cookie->msg, NL80211_KEY_IDX, cookie->idx))
9360ffd1 4030 goto nla_put_failure;
b9454e83
JB		 4031
4032 nla_nest_end(cookie->msg, key);
4033
41ade00f
JB		 4034 return;
4035 nla_put_failure:
4036 cookie->error = 1;
4037}
4038
4039static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info)
4040{
4c476991 4041 struct cfg80211_registered_device *rdev = info->user_ptr[0];
41ade00f 4042 int err;
4c476991 4043 struct net_device *dev = info->user_ptr[1];
41ade00f 4044 u8 key_idx = 0;
e31b8213
JB		 4045 const u8 *mac_addr = NULL;
4046 bool pairwise;
41ade00f
JB		 4047 struct get_key_cookie cookie = {
4048 .error = 0,
4049 };
4050 void *hdr;
4051 struct sk_buff *msg;
155d7c73
JB		 4052 bool bigtk_support = false;
4053
4054 if (wiphy_ext_feature_isset(&rdev->wiphy,
4055 NL80211_EXT_FEATURE_BEACON_PROTECTION))
4056 bigtk_support = true;
4057
4058 if ((dev->ieee80211_ptr->iftype == NL80211_IFTYPE_STATION ||
4059 dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_CLIENT) &&
4060 wiphy_ext_feature_isset(&rdev->wiphy,
4061 NL80211_EXT_FEATURE_BEACON_PROTECTION_CLIENT))
4062 bigtk_support = true;
41ade00f 4063
56be393f 4064 if (info->attrs[NL80211_ATTR_KEY_IDX]) {
41ade00f 4065 key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
155d7c73
JB		 4066
4067 if (key_idx >= 6 && key_idx <= 7 && !bigtk_support) {
4068 GENL_SET_ERR_MSG(info, "BIGTK not supported");
56be393f 4069 return -EINVAL;
155d7c73 4070 }
56be393f 4071 }
41ade00f 4072
41ade00f
JB		 4073 if (info->attrs[NL80211_ATTR_MAC])
4074 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4075
e31b8213
JB		 4076 pairwise = !!mac_addr;
4077 if (info->attrs[NL80211_ATTR_KEY_TYPE]) {
4078 u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
7a087e74 4079
e31b8213
JB		 4080 if (kt != NL80211_KEYTYPE_GROUP &&
4081 kt != NL80211_KEYTYPE_PAIRWISE)
4082 return -EINVAL;
4083 pairwise = kt == NL80211_KEYTYPE_PAIRWISE;
4084 }
4085
4c476991
JB		 4086 if (!rdev->ops->get_key)
4087 return -EOPNOTSUPP;
41ade00f 4088
0fa7b391
JB		 4089 if (!pairwise && mac_addr && !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
4090 return -ENOENT;
4091
fd2120ca 4092 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4c476991
JB		 4093 if (!msg)
4094 return -ENOMEM;
41ade00f 4095
15e47304 4096 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
41ade00f 4097 NL80211_CMD_NEW_KEY);
cb35fba3 4098 if (!hdr)
9fe271af 4099 goto nla_put_failure;
41ade00f
JB		 4100
4101 cookie.msg = msg;
b9454e83 4102 cookie.idx = key_idx;
41ade00f 4103
9360ffd1
DM		 4104 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
4105 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx))
4106 goto nla_put_failure;
4107 if (mac_addr &&
4108 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr))
4109 goto nla_put_failure;
41ade00f 4110
e35e4d28
HG		 4111 err = rdev_get_key(rdev, dev, key_idx, pairwise, mac_addr, &cookie,
4112 get_key_callback);
41ade00f
JB		 4113
4114 if (err)
6c95e2a2 4115 goto free_msg;
41ade00f
JB		 4116
4117 if (cookie.error)
4118 goto nla_put_failure;
4119
4120 genlmsg_end(msg, hdr);
4c476991 4121 return genlmsg_reply(msg, info);
41ade00f
JB		 4122
4123 nla_put_failure:
4124 err = -ENOBUFS;
6c95e2a2 4125 free_msg:
41ade00f 4126 nlmsg_free(msg);
41ade00f
JB		 4127 return err;
4128}
4129
4130static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info)
4131{
4c476991 4132 struct cfg80211_registered_device *rdev = info->user_ptr[0];
b9454e83 4133 struct key_parse key;
41ade00f 4134 int err;
4c476991 4135 struct net_device *dev = info->user_ptr[1];
41ade00f 4136
b9454e83
JB		 4137 err = nl80211_parse_key(info, &key);
4138 if (err)
4139 return err;
41ade00f 4140
b9454e83 4141 if (key.idx < 0)
41ade00f
JB		 4142 return -EINVAL;
4143
6cdd3979
AW		 4144 /* Only support setting default key and
4145 * Extended Key ID action NL80211_KEY_SET_TX.
4146 */
56be393f 4147 if (!key.def && !key.defmgmt && !key.defbeacon &&
6cdd3979 4148 !(key.p.mode == NL80211_KEY_SET_TX))
41ade00f
JB		 4149 return -EINVAL;
4150
dbd2fd65 4151 wdev_lock(dev->ieee80211_ptr);
3cfcf6ac 4152
dbd2fd65
JB		 4153 if (key.def) {
4154 if (!rdev->ops->set_default_key) {
4155 err = -EOPNOTSUPP;
4156 goto out;
4157 }
41ade00f 4158
dbd2fd65
JB		 4159 err = nl80211_key_allowed(dev->ieee80211_ptr);
4160 if (err)
4161 goto out;
4162
e35e4d28 4163 err = rdev_set_default_key(rdev, dev, key.idx,
dbd2fd65
JB		 4164 key.def_uni, key.def_multi);
4165
4166 if (err)
4167 goto out;
fffd0934 4168
3d23e349 4169#ifdef CONFIG_CFG80211_WEXT
dbd2fd65
JB		 4170 dev->ieee80211_ptr->wext.default_key = key.idx;
4171#endif
6cdd3979 4172 } else if (key.defmgmt) {
dbd2fd65
JB		 4173 if (key.def_uni || !key.def_multi) {
4174 err = -EINVAL;
4175 goto out;
4176 }
4177
4178 if (!rdev->ops->set_default_mgmt_key) {
4179 err = -EOPNOTSUPP;
4180 goto out;
4181 }
4182
4183 err = nl80211_key_allowed(dev->ieee80211_ptr);
4184 if (err)
4185 goto out;
4186
e35e4d28 4187 err = rdev_set_default_mgmt_key(rdev, dev, key.idx);
dbd2fd65
JB		 4188 if (err)
4189 goto out;
4190
4191#ifdef CONFIG_CFG80211_WEXT
4192 dev->ieee80211_ptr->wext.default_mgmt_key = key.idx;
08645126 4193#endif
56be393f
JM		 4194 } else if (key.defbeacon) {
4195 if (key.def_uni || !key.def_multi) {
4196 err = -EINVAL;
4197 goto out;
4198 }
4199
4200 if (!rdev->ops->set_default_beacon_key) {
4201 err = -EOPNOTSUPP;
4202 goto out;
4203 }
4204
4205 err = nl80211_key_allowed(dev->ieee80211_ptr);
4206 if (err)
4207 goto out;
4208
4209 err = rdev_set_default_beacon_key(rdev, dev, key.idx);
4210 if (err)
4211 goto out;
6cdd3979
AW		 4212 } else if (key.p.mode == NL80211_KEY_SET_TX &&
4213 wiphy_ext_feature_isset(&rdev->wiphy,
4214 NL80211_EXT_FEATURE_EXT_KEY_ID)) {
4215 u8 *mac_addr = NULL;
4216
4217 if (info->attrs[NL80211_ATTR_MAC])
4218 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4219
4220 if (!mac_addr || key.idx < 0 || key.idx > 1) {
4221 err = -EINVAL;
4222 goto out;
4223 }
dbd2fd65 4224
6cdd3979
AW		 4225 err = rdev_add_key(rdev, dev, key.idx,
4226 NL80211_KEYTYPE_PAIRWISE,
4227 mac_addr, &key.p);
4228 } else {
4229 err = -EINVAL;
4230 }
dbd2fd65 4231 out:
fffd0934 4232 wdev_unlock(dev->ieee80211_ptr);
41ade00f 4233
41ade00f
JB		 4234 return err;
4235}
4236
4237static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info)
4238{
4c476991 4239 struct cfg80211_registered_device *rdev = info->user_ptr[0];
fffd0934 4240 int err;
4c476991 4241 struct net_device *dev = info->user_ptr[1];
b9454e83 4242 struct key_parse key;
e31b8213 4243 const u8 *mac_addr = NULL;
41ade00f 4244
b9454e83
JB		 4245 err = nl80211_parse_key(info, &key);
4246 if (err)
4247 return err;
41ade00f 4248
f8af764b
JM		 4249 if (!key.p.key) {
4250 GENL_SET_ERR_MSG(info, "no key");
41ade00f 4251 return -EINVAL;
f8af764b 4252 }
41ade00f 4253
41ade00f
JB		 4254 if (info->attrs[NL80211_ATTR_MAC])
4255 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4256
e31b8213
JB		 4257 if (key.type == -1) {
4258 if (mac_addr)
4259 key.type = NL80211_KEYTYPE_PAIRWISE;
4260 else
4261 key.type = NL80211_KEYTYPE_GROUP;
4262 }
4263
4264 /* for now */
4265 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
f8af764b
JM		 4266 key.type != NL80211_KEYTYPE_GROUP) {
4267 GENL_SET_ERR_MSG(info, "key type not pairwise or group");
e31b8213 4268 return -EINVAL;
f8af764b 4269 }
e31b8213 4270
14f34e36
GG		 4271 if (key.type == NL80211_KEYTYPE_GROUP &&
4272 info->attrs[NL80211_ATTR_VLAN_ID])
4273 key.p.vlan_id = nla_get_u16(info->attrs[NL80211_ATTR_VLAN_ID]);
4274
4c476991
JB		 4275 if (!rdev->ops->add_key)
4276 return -EOPNOTSUPP;
25e47c18 4277
e31b8213
JB		 4278 if (cfg80211_validate_key_settings(rdev, &key.p, key.idx,
4279 key.type == NL80211_KEYTYPE_PAIRWISE,
f8af764b
JM		 4280 mac_addr)) {
4281 GENL_SET_ERR_MSG(info, "key setting validation failed");
4c476991 4282 return -EINVAL;
f8af764b 4283 }
41ade00f 4284
fffd0934
JB		 4285 wdev_lock(dev->ieee80211_ptr);
4286 err = nl80211_key_allowed(dev->ieee80211_ptr);
f8af764b
JM		 4287 if (err)
4288 GENL_SET_ERR_MSG(info, "key not allowed");
4289 if (!err) {
e35e4d28
HG		 4290 err = rdev_add_key(rdev, dev, key.idx,
4291 key.type == NL80211_KEYTYPE_PAIRWISE,
4292 mac_addr, &key.p);
f8af764b
JM		 4293 if (err)
4294 GENL_SET_ERR_MSG(info, "key addition failed");
4295 }
fffd0934 4296 wdev_unlock(dev->ieee80211_ptr);
41ade00f 4297
41ade00f
JB		 4298 return err;
4299}
4300
4301static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
4302{
4c476991 4303 struct cfg80211_registered_device *rdev = info->user_ptr[0];
41ade00f 4304 int err;
4c476991 4305 struct net_device *dev = info->user_ptr[1];
41ade00f 4306 u8 *mac_addr = NULL;
b9454e83 4307 struct key_parse key;
41ade00f 4308
b9454e83
JB		 4309 err = nl80211_parse_key(info, &key);
4310 if (err)
4311 return err;
41ade00f
JB		 4312
4313 if (info->attrs[NL80211_ATTR_MAC])
4314 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4315
e31b8213
JB		 4316 if (key.type == -1) {
4317 if (mac_addr)
4318 key.type = NL80211_KEYTYPE_PAIRWISE;
4319 else
4320 key.type = NL80211_KEYTYPE_GROUP;
4321 }
4322
4323 /* for now */
4324 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
4325 key.type != NL80211_KEYTYPE_GROUP)
4326 return -EINVAL;
4327
2d946308
AT		 4328 if (!cfg80211_valid_key_idx(rdev, key.idx,
4329 key.type == NL80211_KEYTYPE_PAIRWISE))
4330 return -EINVAL;
4331
4c476991
JB		 4332 if (!rdev->ops->del_key)
4333 return -EOPNOTSUPP;
41ade00f 4334
fffd0934
JB		 4335 wdev_lock(dev->ieee80211_ptr);
4336 err = nl80211_key_allowed(dev->ieee80211_ptr);
e31b8213 4337
0fa7b391 4338 if (key.type == NL80211_KEYTYPE_GROUP && mac_addr &&
e31b8213
JB		 4339 !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
4340 err = -ENOENT;
4341
fffd0934 4342 if (!err)
e35e4d28
HG		 4343 err = rdev_del_key(rdev, dev, key.idx,
4344 key.type == NL80211_KEYTYPE_PAIRWISE,
4345 mac_addr);
41ade00f 4346
3d23e349 4347#ifdef CONFIG_CFG80211_WEXT
08645126 4348 if (!err) {
b9454e83 4349 if (key.idx == dev->ieee80211_ptr->wext.default_key)
08645126 4350 dev->ieee80211_ptr->wext.default_key = -1;
b9454e83 4351 else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key)
08645126
JB		 4352 dev->ieee80211_ptr->wext.default_mgmt_key = -1;
4353 }
4354#endif
fffd0934 4355 wdev_unlock(dev->ieee80211_ptr);
08645126 4356
41ade00f
JB		 4357 return err;
4358}
4359
77765eaf
VT		 4360/* This function returns an error or the number of nested attributes */
4361static int validate_acl_mac_addrs(struct nlattr *nl_attr)
4362{
4363 struct nlattr *attr;
4364 int n_entries = 0, tmp;
4365
4366 nla_for_each_nested(attr, nl_attr, tmp) {
4367 if (nla_len(attr) != ETH_ALEN)
4368 return -EINVAL;
4369
4370 n_entries++;
4371 }
4372
4373 return n_entries;
4374}
4375
4376/*
4377 * This function parses ACL information and allocates memory for ACL data.
4378 * On successful return, the calling function is responsible to free the
4379 * ACL buffer returned by this function.
4380 */
4381static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy,
4382 struct genl_info *info)
4383{
4384 enum nl80211_acl_policy acl_policy;
4385 struct nlattr *attr;
4386 struct cfg80211_acl_data *acl;
4387 int i = 0, n_entries, tmp;
4388
4389 if (!wiphy->max_acl_mac_addrs)
4390 return ERR_PTR(-EOPNOTSUPP);
4391
4392 if (!info->attrs[NL80211_ATTR_ACL_POLICY])
4393 return ERR_PTR(-EINVAL);
4394
4395 acl_policy = nla_get_u32(info->attrs[NL80211_ATTR_ACL_POLICY]);
4396 if (acl_policy != NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED &&
4397 acl_policy != NL80211_ACL_POLICY_DENY_UNLESS_LISTED)
4398 return ERR_PTR(-EINVAL);
4399
4400 if (!info->attrs[NL80211_ATTR_MAC_ADDRS])
4401 return ERR_PTR(-EINVAL);
4402
4403 n_entries = validate_acl_mac_addrs(info->attrs[NL80211_ATTR_MAC_ADDRS]);
4404 if (n_entries < 0)
4405 return ERR_PTR(n_entries);
4406
4407 if (n_entries > wiphy->max_acl_mac_addrs)
4408 return ERR_PTR(-ENOTSUPP);
4409
391d132c 4410 acl = kzalloc(struct_size(acl, mac_addrs, n_entries), GFP_KERNEL);
77765eaf
VT		 4411 if (!acl)
4412 return ERR_PTR(-ENOMEM);
4413
4414 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_MAC_ADDRS], tmp) {
4415 memcpy(acl->mac_addrs[i].addr, nla_data(attr), ETH_ALEN);
4416 i++;
4417 }
4418
4419 acl->n_acl_entries = n_entries;
4420 acl->acl_policy = acl_policy;
4421
4422 return acl;
4423}
4424
4425static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info)
4426{
4427 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4428 struct net_device *dev = info->user_ptr[1];
4429 struct cfg80211_acl_data *acl;
4430 int err;
4431
4432 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4433 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4434 return -EOPNOTSUPP;
4435
4436 if (!dev->ieee80211_ptr->beacon_interval)
4437 return -EINVAL;
4438
4439 acl = parse_acl_data(&rdev->wiphy, info);
4440 if (IS_ERR(acl))
4441 return PTR_ERR(acl);
4442
4443 err = rdev_set_mac_acl(rdev, dev, acl);
4444
4445 kfree(acl);
4446
4447 return err;
4448}
4449
a7c7fbff
PK		 4450static u32 rateset_to_mask(struct ieee80211_supported_band *sband,
4451 u8 *rates, u8 rates_len)
4452{
4453 u8 i;
4454 u32 mask = 0;
4455
4456 for (i = 0; i < rates_len; i++) {
4457 int rate = (rates[i] & 0x7f) * 5;
4458 int ridx;
4459
4460 for (ridx = 0; ridx < sband->n_bitrates; ridx++) {
4461 struct ieee80211_rate *srate =
4462 &sband->bitrates[ridx];
4463 if (rate == srate->bitrate) {
4464 mask |= 1 << ridx;
4465 break;
4466 }
4467 }
4468 if (ridx == sband->n_bitrates)
4469 return 0; /* rate not found */
4470 }
4471
4472 return mask;
4473}
4474
4475static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband,
4476 u8 *rates, u8 rates_len,
4477 u8 mcs[IEEE80211_HT_MCS_MASK_LEN])
4478{
4479 u8 i;
4480
4481 memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN);
4482
4483 for (i = 0; i < rates_len; i++) {
4484 int ridx, rbit;
4485
4486 ridx = rates[i] / 8;
4487 rbit = BIT(rates[i] % 8);
4488
4489 /* check validity */
4490 if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN))
4491 return false;
4492
4493 /* check availability */
30fe6d50 4494 ridx = array_index_nospec(ridx, IEEE80211_HT_MCS_MASK_LEN);
a7c7fbff
PK		 4495 if (sband->ht_cap.mcs.rx_mask[ridx] & rbit)
4496 mcs[ridx] |= rbit;
4497 else
4498 return false;
4499 }
4500
4501 return true;
4502}
4503
4504static u16 vht_mcs_map_to_mcs_mask(u8 vht_mcs_map)
4505{
4506 u16 mcs_mask = 0;
4507
4508 switch (vht_mcs_map) {
4509 case IEEE80211_VHT_MCS_NOT_SUPPORTED:
4510 break;
4511 case IEEE80211_VHT_MCS_SUPPORT_0_7:
4512 mcs_mask = 0x00FF;
4513 break;
4514 case IEEE80211_VHT_MCS_SUPPORT_0_8:
4515 mcs_mask = 0x01FF;
4516 break;
4517 case IEEE80211_VHT_MCS_SUPPORT_0_9:
4518 mcs_mask = 0x03FF;
4519 break;
4520 default:
4521 break;
4522 }
4523
4524 return mcs_mask;
4525}
4526
4527static void vht_build_mcs_mask(u16 vht_mcs_map,
4528 u16 vht_mcs_mask[NL80211_VHT_NSS_MAX])
4529{
4530 u8 nss;
4531
4532 for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) {
4533 vht_mcs_mask[nss] = vht_mcs_map_to_mcs_mask(vht_mcs_map & 0x03);
4534 vht_mcs_map >>= 2;
4535 }
4536}
4537
4538static bool vht_set_mcs_mask(struct ieee80211_supported_band *sband,
4539 struct nl80211_txrate_vht *txrate,
4540 u16 mcs[NL80211_VHT_NSS_MAX])
4541{
4542 u16 tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
4543 u16 tx_mcs_mask[NL80211_VHT_NSS_MAX] = {};
4544 u8 i;
4545
4546 if (!sband->vht_cap.vht_supported)
4547 return false;
4548
4549 memset(mcs, 0, sizeof(u16) * NL80211_VHT_NSS_MAX);
4550
4551 /* Build vht_mcs_mask from VHT capabilities */
4552 vht_build_mcs_mask(tx_mcs_map, tx_mcs_mask);
4553
4554 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
4555 if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i])
4556 mcs[i] = txrate->mcs[i];
4557 else
4558 return false;
4559 }
4560
4561 return true;
4562}
4563
eb89a6a6
MH		 4564static u16 he_mcs_map_to_mcs_mask(u8 he_mcs_map)
4565{
4566 switch (he_mcs_map) {
4567 case IEEE80211_HE_MCS_NOT_SUPPORTED:
4568 return 0;
4569 case IEEE80211_HE_MCS_SUPPORT_0_7:
4570 return 0x00FF;
4571 case IEEE80211_HE_MCS_SUPPORT_0_9:
4572 return 0x03FF;
4573 case IEEE80211_HE_MCS_SUPPORT_0_11:
4574 return 0xFFF;
4575 default:
4576 break;
4577 }
4578 return 0;
4579}
4580
4581static void he_build_mcs_mask(u16 he_mcs_map,
4582 u16 he_mcs_mask[NL80211_HE_NSS_MAX])
4583{
4584 u8 nss;
4585
4586 for (nss = 0; nss < NL80211_HE_NSS_MAX; nss++) {
4587 he_mcs_mask[nss] = he_mcs_map_to_mcs_mask(he_mcs_map & 0x03);
4588 he_mcs_map >>= 2;
4589 }
4590}
4591
4592static u16 he_get_txmcsmap(struct genl_info *info,
4593 const struct ieee80211_sta_he_cap *he_cap)
4594{
4595 struct net_device *dev = info->user_ptr[1];
4596 struct wireless_dev *wdev = dev->ieee80211_ptr;
4597 __le16 tx_mcs;
4598
4599 switch (wdev->chandef.width) {
4600 case NL80211_CHAN_WIDTH_80P80:
4601 tx_mcs = he_cap->he_mcs_nss_supp.tx_mcs_80p80;
4602 break;
4603 case NL80211_CHAN_WIDTH_160:
4604 tx_mcs = he_cap->he_mcs_nss_supp.tx_mcs_160;
4605 break;
4606 default:
4607 tx_mcs = he_cap->he_mcs_nss_supp.tx_mcs_80;
4608 break;
4609 }
4610 return le16_to_cpu(tx_mcs);
4611}
4612
4613static bool he_set_mcs_mask(struct genl_info *info,
4614 struct wireless_dev *wdev,
4615 struct ieee80211_supported_band *sband,
4616 struct nl80211_txrate_he *txrate,
4617 u16 mcs[NL80211_HE_NSS_MAX])
4618{
4619 const struct ieee80211_sta_he_cap *he_cap;
4620 u16 tx_mcs_mask[NL80211_HE_NSS_MAX] = {};
4621 u16 tx_mcs_map = 0;
4622 u8 i;
4623
4624 he_cap = ieee80211_get_he_iftype_cap(sband, wdev->iftype);
4625 if (!he_cap)
4626 return false;
4627
4628 memset(mcs, 0, sizeof(u16) * NL80211_HE_NSS_MAX);
4629
4630 tx_mcs_map = he_get_txmcsmap(info, he_cap);
4631
4632 /* Build he_mcs_mask from HE capabilities */
4633 he_build_mcs_mask(tx_mcs_map, tx_mcs_mask);
4634
4635 for (i = 0; i < NL80211_HE_NSS_MAX; i++) {
4636 if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i])
4637 mcs[i] = txrate->mcs[i];
4638 else
4639 return false;
4640 }
4641
4642 return true;
4643}
4644
a7c7fbff 4645static int nl80211_parse_tx_bitrate_mask(struct genl_info *info,
9a5f6488
TC		 4646 struct nlattr *attrs[],
4647 enum nl80211_attrs attr,
eb89a6a6 4648 struct cfg80211_bitrate_mask *mask,
857b34c4
RM		 4649 struct net_device *dev,
4650 bool default_all_enabled)
a7c7fbff
PK		 4651{
4652 struct nlattr *tb[NL80211_TXRATE_MAX + 1];
4653 struct cfg80211_registered_device *rdev = info->user_ptr[0];
eb89a6a6 4654 struct wireless_dev *wdev = dev->ieee80211_ptr;
a7c7fbff
PK		 4655 int rem, i;
4656 struct nlattr *tx_rates;
4657 struct ieee80211_supported_band *sband;
eb89a6a6 4658 u16 vht_tx_mcs_map, he_tx_mcs_map;
a7c7fbff
PK		 4659
4660 memset(mask, 0, sizeof(*mask));
4661 /* Default to all rates enabled */
4662 for (i = 0; i < NUM_NL80211_BANDS; i++) {
eb89a6a6
MH		 4663 const struct ieee80211_sta_he_cap *he_cap;
4664
857b34c4
RM		 4665 if (!default_all_enabled)
4666 break;
4667
a7c7fbff
PK		 4668 sband = rdev->wiphy.bands[i];
4669
4670 if (!sband)
4671 continue;
4672
4673 mask->control[i].legacy = (1 << sband->n_bitrates) - 1;
4674 memcpy(mask->control[i].ht_mcs,
4675 sband->ht_cap.mcs.rx_mask,
4676 sizeof(mask->control[i].ht_mcs));
4677
4678 if (!sband->vht_cap.vht_supported)
4679 continue;
4680
4681 vht_tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
4682 vht_build_mcs_mask(vht_tx_mcs_map, mask->control[i].vht_mcs);
eb89a6a6
MH		 4683
4684 he_cap = ieee80211_get_he_iftype_cap(sband, wdev->iftype);
4685 if (!he_cap)
4686 continue;
4687
4688 he_tx_mcs_map = he_get_txmcsmap(info, he_cap);
4689 he_build_mcs_mask(he_tx_mcs_map, mask->control[i].he_mcs);
4690
4691 mask->control[i].he_gi = 0xFF;
4692 mask->control[i].he_ltf = 0xFF;
a7c7fbff
PK		 4693 }
4694
4695 /* if no rates are given set it back to the defaults */
9a5f6488 4696 if (!attrs[attr])
a7c7fbff
PK		 4697 goto out;
4698
4699 /* The nested attribute uses enum nl80211_band as the index. This maps
4700 * directly to the enum nl80211_band values used in cfg80211.
4701 */
4702 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8);
9a5f6488 4703 nla_for_each_nested(tx_rates, attrs[attr], rem) {
a7c7fbff
PK		 4704 enum nl80211_band band = nla_type(tx_rates);
4705 int err;
4706
4707 if (band < 0 || band >= NUM_NL80211_BANDS)
4708 return -EINVAL;
4709 sband = rdev->wiphy.bands[band];
4710 if (sband == NULL)
4711 return -EINVAL;
8cb08174
JB		 4712 err = nla_parse_nested_deprecated(tb, NL80211_TXRATE_MAX,
4713 tx_rates,
4714 nl80211_txattr_policy,
4715 info->extack);
a7c7fbff
PK		 4716 if (err)
4717 return err;
4718 if (tb[NL80211_TXRATE_LEGACY]) {
4719 mask->control[band].legacy = rateset_to_mask(
4720 sband,
4721 nla_data(tb[NL80211_TXRATE_LEGACY]),
4722 nla_len(tb[NL80211_TXRATE_LEGACY]));
4723 if ((mask->control[band].legacy == 0) &&
4724 nla_len(tb[NL80211_TXRATE_LEGACY]))
4725 return -EINVAL;
4726 }
4727 if (tb[NL80211_TXRATE_HT]) {
4728 if (!ht_rateset_to_mask(
4729 sband,
4730 nla_data(tb[NL80211_TXRATE_HT]),
4731 nla_len(tb[NL80211_TXRATE_HT]),
4732 mask->control[band].ht_mcs))
4733 return -EINVAL;
4734 }
c4a30446 4735
a7c7fbff
PK		 4736 if (tb[NL80211_TXRATE_VHT]) {
4737 if (!vht_set_mcs_mask(
4738 sband,
4739 nla_data(tb[NL80211_TXRATE_VHT]),
4740 mask->control[band].vht_mcs))
4741 return -EINVAL;
4742 }
c4a30446 4743
a7c7fbff
PK		 4744 if (tb[NL80211_TXRATE_GI]) {
4745 mask->control[band].gi =
4746 nla_get_u8(tb[NL80211_TXRATE_GI]);
4747 if (mask->control[band].gi > NL80211_TXRATE_FORCE_LGI)
4748 return -EINVAL;
4749 }
eb89a6a6
MH		 4750 if (tb[NL80211_TXRATE_HE] &&
4751 !he_set_mcs_mask(info, wdev, sband,
4752 nla_data(tb[NL80211_TXRATE_HE]),
4753 mask->control[band].he_mcs))
4754 return -EINVAL;
c4a30446 4755
eb89a6a6
MH		 4756 if (tb[NL80211_TXRATE_HE_GI])
4757 mask->control[band].he_gi =
4758 nla_get_u8(tb[NL80211_TXRATE_HE_GI]);
4759 if (tb[NL80211_TXRATE_HE_LTF])
4760 mask->control[band].he_ltf =
4761 nla_get_u8(tb[NL80211_TXRATE_HE_LTF]);
a7c7fbff
PK		 4762
4763 if (mask->control[band].legacy == 0) {
eb89a6a6 4764 /* don't allow empty legacy rates if HT, VHT or HE
a7c7fbff
PK		 4765 * are not even supported.
4766 */
4767 if (!(rdev->wiphy.bands[band]->ht_cap.ht_supported ||
eb89a6a6
MH		 4768 rdev->wiphy.bands[band]->vht_cap.vht_supported ||
4769 ieee80211_get_he_iftype_cap(sband, wdev->iftype)))
a7c7fbff
PK		 4770 return -EINVAL;
4771
4772 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
4773 if (mask->control[band].ht_mcs[i])
4774 goto out;
4775
4776 for (i = 0; i < NL80211_VHT_NSS_MAX; i++)
4777 if (mask->control[band].vht_mcs[i])
4778 goto out;
4779
eb89a6a6
MH		 4780 for (i = 0; i < NL80211_HE_NSS_MAX; i++)
4781 if (mask->control[band].he_mcs[i])
4782 goto out;
4783
a7c7fbff
PK		 4784 /* legacy and mcs rates may not be both empty */
4785 return -EINVAL;
4786 }
4787 }
4788
4789out:
4790 return 0;
4791}
4792
8564e382
JB		 4793static int validate_beacon_tx_rate(struct cfg80211_registered_device *rdev,
4794 enum nl80211_band band,
4795 struct cfg80211_bitrate_mask *beacon_rate)
a7c7fbff 4796{
c4a30446 4797 u32 count_ht, count_vht, count_he, i;
8564e382 4798 u32 rate = beacon_rate->control[band].legacy;
a7c7fbff
PK		 4799
4800 /* Allow only one rate */
4801 if (hweight32(rate) > 1)
4802 return -EINVAL;
4803
4804 count_ht = 0;
4805 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) {
8564e382 4806 if (hweight8(beacon_rate->control[band].ht_mcs[i]) > 1) {
a7c7fbff 4807 return -EINVAL;
8564e382 4808 } else if (beacon_rate->control[band].ht_mcs[i]) {
a7c7fbff
PK		 4809 count_ht++;
4810 if (count_ht > 1)
4811 return -EINVAL;
4812 }
4813 if (count_ht && rate)
4814 return -EINVAL;
4815 }
4816
4817 count_vht = 0;
4818 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
8564e382 4819 if (hweight16(beacon_rate->control[band].vht_mcs[i]) > 1) {
a7c7fbff 4820 return -EINVAL;
8564e382 4821 } else if (beacon_rate->control[band].vht_mcs[i]) {
a7c7fbff
PK		 4822 count_vht++;
4823 if (count_vht > 1)
4824 return -EINVAL;
4825 }
4826 if (count_vht && rate)
4827 return -EINVAL;
4828 }
4829
c4a30446
RM		 4830 count_he = 0;
4831 for (i = 0; i < NL80211_HE_NSS_MAX; i++) {
4832 if (hweight16(beacon_rate->control[band].he_mcs[i]) > 1) {
4833 return -EINVAL;
4834 } else if (beacon_rate->control[band].he_mcs[i]) {
4835 count_he++;
4836 if (count_he > 1)
4837 return -EINVAL;
4838 }
4839 if (count_he && rate)
4840 return -EINVAL;
4841 }
4842
4843 if ((count_ht && count_vht && count_he) ||
4844 (!rate && !count_ht && !count_vht && !count_he))
a7c7fbff
PK		 4845 return -EINVAL;
4846
8564e382
JB		 4847 if (rate &&
4848 !wiphy_ext_feature_isset(&rdev->wiphy,
4849 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY))
4850 return -EINVAL;
4851 if (count_ht &&
4852 !wiphy_ext_feature_isset(&rdev->wiphy,
4853 NL80211_EXT_FEATURE_BEACON_RATE_HT))
4854 return -EINVAL;
4855 if (count_vht &&
4856 !wiphy_ext_feature_isset(&rdev->wiphy,
4857 NL80211_EXT_FEATURE_BEACON_RATE_VHT))
4858 return -EINVAL;
c4a30446
RM		 4859 if (count_he &&
4860 !wiphy_ext_feature_isset(&rdev->wiphy,
4861 NL80211_EXT_FEATURE_BEACON_RATE_HE))
4862 return -EINVAL;
8564e382 4863
a7c7fbff
PK		 4864 return 0;
4865}
4866
81e54d08
PKC		 4867static int nl80211_parse_beacon(struct cfg80211_registered_device *rdev,
4868 struct nlattr *attrs[],
8860020e 4869 struct cfg80211_beacon_data *bcn)
ed1b6cc7 4870{
8860020e 4871 bool haveinfo = false;
81e54d08 4872 int err;
ed1b6cc7 4873
8860020e 4874 memset(bcn, 0, sizeof(*bcn));
ed1b6cc7 4875
a1193be8
SW		 4876 if (attrs[NL80211_ATTR_BEACON_HEAD]) {
4877 bcn->head = nla_data(attrs[NL80211_ATTR_BEACON_HEAD]);
4878 bcn->head_len = nla_len(attrs[NL80211_ATTR_BEACON_HEAD]);
8860020e
JB		 4879 if (!bcn->head_len)
4880 return -EINVAL;
4881 haveinfo = true;
ed1b6cc7
JB		 4882 }
4883
a1193be8
SW		 4884 if (attrs[NL80211_ATTR_BEACON_TAIL]) {
4885 bcn->tail = nla_data(attrs[NL80211_ATTR_BEACON_TAIL]);
4886 bcn->tail_len = nla_len(attrs[NL80211_ATTR_BEACON_TAIL]);
8860020e 4887 haveinfo = true;
ed1b6cc7
JB		 4888 }
4889
4c476991
JB		 4890 if (!haveinfo)
4891 return -EINVAL;
3b85875a 4892
a1193be8
SW		 4893 if (attrs[NL80211_ATTR_IE]) {
4894 bcn->beacon_ies = nla_data(attrs[NL80211_ATTR_IE]);
4895 bcn->beacon_ies_len = nla_len(attrs[NL80211_ATTR_IE]);
9946ecfb
JM		 4896 }
4897
a1193be8 4898 if (attrs[NL80211_ATTR_IE_PROBE_RESP]) {
8860020e 4899 bcn->proberesp_ies =
a1193be8 4900 nla_data(attrs[NL80211_ATTR_IE_PROBE_RESP]);
8860020e 4901 bcn->proberesp_ies_len =
a1193be8 4902 nla_len(attrs[NL80211_ATTR_IE_PROBE_RESP]);
9946ecfb
JM		 4903 }
4904
a1193be8 4905 if (attrs[NL80211_ATTR_IE_ASSOC_RESP]) {
8860020e 4906 bcn->assocresp_ies =
a1193be8 4907 nla_data(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
8860020e 4908 bcn->assocresp_ies_len =
a1193be8 4909 nla_len(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
9946ecfb
JM		 4910 }
4911
a1193be8
SW		 4912 if (attrs[NL80211_ATTR_PROBE_RESP]) {
4913 bcn->probe_resp = nla_data(attrs[NL80211_ATTR_PROBE_RESP]);
4914 bcn->probe_resp_len = nla_len(attrs[NL80211_ATTR_PROBE_RESP]);
00f740e1
AN		 4915 }
4916
81e54d08
PKC		 4917 if (attrs[NL80211_ATTR_FTM_RESPONDER]) {
4918 struct nlattr *tb[NL80211_FTM_RESP_ATTR_MAX + 1];
4919
8cb08174
JB		 4920 err = nla_parse_nested_deprecated(tb,
4921 NL80211_FTM_RESP_ATTR_MAX,
4922 attrs[NL80211_ATTR_FTM_RESPONDER],
4923 NULL, NULL);
81e54d08
PKC		 4924 if (err)
4925 return err;
4926
4927 if (tb[NL80211_FTM_RESP_ATTR_ENABLED] &&
4928 wiphy_ext_feature_isset(&rdev->wiphy,
4929 NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER))
4930 bcn->ftm_responder = 1;
4931 else
4932 return -EOPNOTSUPP;
4933
4934 if (tb[NL80211_FTM_RESP_ATTR_LCI]) {
4935 bcn->lci = nla_data(tb[NL80211_FTM_RESP_ATTR_LCI]);
4936 bcn->lci_len = nla_len(tb[NL80211_FTM_RESP_ATTR_LCI]);
4937 }
4938
4939 if (tb[NL80211_FTM_RESP_ATTR_CIVICLOC]) {
4940 bcn->civicloc = nla_data(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]);
4941 bcn->civicloc_len = nla_len(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]);
4942 }
4943 } else {
4944 bcn->ftm_responder = -1;
4945 }
4946
8860020e
JB		 4947 return 0;
4948}
4949
796e90f4
JC		 4950static int nl80211_parse_he_obss_pd(struct nlattr *attrs,
4951 struct ieee80211_he_obss_pd *he_obss_pd)
4952{
4953 struct nlattr *tb[NL80211_HE_OBSS_PD_ATTR_MAX + 1];
4954 int err;
4955
4956 err = nla_parse_nested(tb, NL80211_HE_OBSS_PD_ATTR_MAX, attrs,
4957 he_obss_pd_policy, NULL);
4958 if (err)
4959 return err;
4960
f5bec330
RM		 4961 if (!tb[NL80211_HE_OBSS_PD_ATTR_SR_CTRL])
4962 return -EINVAL;
4963
4964 he_obss_pd->sr_ctrl = nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_SR_CTRL]);
4965
6c8b6e4a
RM		 4966 if (tb[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET])
4967 he_obss_pd->min_offset =
4968 nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET]);
4969 if (tb[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET])
4970 he_obss_pd->max_offset =
4971 nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET]);
f5bec330
RM		 4972 if (tb[NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET])
4973 he_obss_pd->non_srg_max_offset =
4974 nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET]);
6c8b6e4a
RM		 4975
4976 if (he_obss_pd->min_offset > he_obss_pd->max_offset)
796e90f4
JC		 4977 return -EINVAL;
4978
f5bec330
RM		 4979 if (tb[NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP])
4980 memcpy(he_obss_pd->bss_color_bitmap,
4981 nla_data(tb[NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP]),
4982 sizeof(he_obss_pd->bss_color_bitmap));
4983
4984 if (tb[NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP])
4985 memcpy(he_obss_pd->partial_bssid_bitmap,
4986 nla_data(tb[NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP]),
4987 sizeof(he_obss_pd->partial_bssid_bitmap));
4988
796e90f4
JC		 4989 he_obss_pd->enable = true;
4990
4991 return 0;
4992}
4993
5c5e52d1
JC		 4994static int nl80211_parse_he_bss_color(struct nlattr *attrs,
4995 struct cfg80211_he_bss_color *he_bss_color)
4996{
4997 struct nlattr *tb[NL80211_HE_BSS_COLOR_ATTR_MAX + 1];
4998 int err;
4999
5000 err = nla_parse_nested(tb, NL80211_HE_BSS_COLOR_ATTR_MAX, attrs,
5001 he_bss_color_policy, NULL);
5002 if (err)
5003 return err;
5004
5005 if (!tb[NL80211_HE_BSS_COLOR_ATTR_COLOR])
5006 return -EINVAL;
5007
5008 he_bss_color->color =
5009 nla_get_u8(tb[NL80211_HE_BSS_COLOR_ATTR_COLOR]);
75e6b594
JB		 5010 he_bss_color->enabled =
5011 !nla_get_flag(tb[NL80211_HE_BSS_COLOR_ATTR_DISABLED]);
5c5e52d1
JC		 5012 he_bss_color->partial =
5013 nla_get_flag(tb[NL80211_HE_BSS_COLOR_ATTR_PARTIAL]);
5014
5015 return 0;
5016}
5017
291c49de
AD		 5018static int nl80211_parse_fils_discovery(struct cfg80211_registered_device *rdev,
5019 struct nlattr *attrs,
5020 struct cfg80211_ap_settings *params)
5021{
5022 struct nlattr *tb[NL80211_FILS_DISCOVERY_ATTR_MAX + 1];
5023 int ret;
5024 struct cfg80211_fils_discovery *fd = &params->fils_discovery;
5025
5026 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5027 NL80211_EXT_FEATURE_FILS_DISCOVERY))
5028 return -EINVAL;
5029
5030 ret = nla_parse_nested(tb, NL80211_FILS_DISCOVERY_ATTR_MAX, attrs,
5031 NULL, NULL);
5032 if (ret)
5033 return ret;
5034
5035 if (!tb[NL80211_FILS_DISCOVERY_ATTR_INT_MIN] ||
5036 !tb[NL80211_FILS_DISCOVERY_ATTR_INT_MAX] ||
5037 !tb[NL80211_FILS_DISCOVERY_ATTR_TMPL])
5038 return -EINVAL;
5039
5040 fd->tmpl_len = nla_len(tb[NL80211_FILS_DISCOVERY_ATTR_TMPL]);
5041 fd->tmpl = nla_data(tb[NL80211_FILS_DISCOVERY_ATTR_TMPL]);
5042 fd->min_interval = nla_get_u32(tb[NL80211_FILS_DISCOVERY_ATTR_INT_MIN]);
5043 fd->max_interval = nla_get_u32(tb[NL80211_FILS_DISCOVERY_ATTR_INT_MAX]);
5044
5045 return 0;
5046}
5047
7443dcd1
AD		 5048static int
5049nl80211_parse_unsol_bcast_probe_resp(struct cfg80211_registered_device *rdev,
5050 struct nlattr *attrs,
5051 struct cfg80211_ap_settings *params)
5052{
5053 struct nlattr *tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_MAX + 1];
5054 int ret;
5055 struct cfg80211_unsol_bcast_probe_resp *presp =
5056 &params->unsol_bcast_probe_resp;
5057
5058 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5059 NL80211_EXT_FEATURE_UNSOL_BCAST_PROBE_RESP))
5060 return -EINVAL;
5061
5062 ret = nla_parse_nested(tb, NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_MAX,
5063 attrs, NULL, NULL);
5064 if (ret)
5065 return ret;
5066
5067 if (!tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT] ||
5068 !tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL])
5069 return -EINVAL;
5070
5071 presp->tmpl = nla_data(tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL]);
5072 presp->tmpl_len = nla_len(tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL]);
5073 presp->interval = nla_get_u32(tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT]);
5074 return 0;
5075}
5076
66cd794e
JB		 5077static void nl80211_check_ap_rate_selectors(struct cfg80211_ap_settings *params,
5078 const u8 *rates)
5079{
5080 int i;
5081
5082 if (!rates)
5083 return;
5084
5085 for (i = 0; i < rates[1]; i++) {
5086 if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_HT_PHY)
5087 params->ht_required = true;
5088 if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_VHT_PHY)
5089 params->vht_required = true;
2a392596
IP		 5090 if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_HE_PHY)
5091 params->he_required = true;
d6587602
IP		 5092 if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_SAE_H2E)
5093 params->sae_h2e_required = true;
66cd794e
JB		 5094 }
5095}
5096
5097/*
5098 * Since the nl80211 API didn't include, from the beginning, attributes about
5099 * HT/VHT requirements/capabilities, we parse them out of the IEs for the
5100 * benefit of drivers that rebuild IEs in the firmware.
5101 */
5102static void nl80211_calculate_ap_params(struct cfg80211_ap_settings *params)
5103{
5104 const struct cfg80211_beacon_data *bcn = &params->beacon;
ba83bfb1
IM		 5105 size_t ies_len = bcn->tail_len;
5106 const u8 *ies = bcn->tail;
66cd794e
JB		 5107 const u8 *rates;
5108 const u8 *cap;
5109
5110 rates = cfg80211_find_ie(WLAN_EID_SUPP_RATES, ies, ies_len);
5111 nl80211_check_ap_rate_selectors(params, rates);
5112
5113 rates = cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES, ies, ies_len);
5114 nl80211_check_ap_rate_selectors(params, rates);
5115
5116 cap = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, ies, ies_len);
5117 if (cap && cap[1] >= sizeof(*params->ht_cap))
5118 params->ht_cap = (void *)(cap + 2);
5119 cap = cfg80211_find_ie(WLAN_EID_VHT_CAPABILITY, ies, ies_len);
5120 if (cap && cap[1] >= sizeof(*params->vht_cap))
5121 params->vht_cap = (void *)(cap + 2);
244eb9ae
ST		 5122 cap = cfg80211_find_ext_ie(WLAN_EID_EXT_HE_CAPABILITY, ies, ies_len);
5123 if (cap && cap[1] >= sizeof(*params->he_cap) + 1)
5124 params->he_cap = (void *)(cap + 3);
7e8d6f12
ST		 5125 cap = cfg80211_find_ext_ie(WLAN_EID_EXT_HE_OPERATION, ies, ies_len);
5126 if (cap && cap[1] >= sizeof(*params->he_oper) + 1)
5127 params->he_oper = (void *)(cap + 3);
66cd794e
JB		 5128}
5129
46c1dd0c
FF		 5130static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev,
5131 struct cfg80211_ap_settings *params)
5132{
5133 struct wireless_dev *wdev;
5134 bool ret = false;
5135
53873f13 5136 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
46c1dd0c
FF		 5137 if (wdev->iftype != NL80211_IFTYPE_AP &&
5138 wdev->iftype != NL80211_IFTYPE_P2P_GO)
5139 continue;
5140
683b6d3b 5141 if (!wdev->preset_chandef.chan)
46c1dd0c
FF		 5142 continue;
5143
683b6d3b 5144 params->chandef = wdev->preset_chandef;
46c1dd0c
FF		 5145 ret = true;
5146 break;
5147 }
5148
46c1dd0c
FF		 5149 return ret;
5150}
5151
e39e5b5e
JM		 5152static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev,
5153 enum nl80211_auth_type auth_type,
5154 enum nl80211_commands cmd)
5155{
5156 if (auth_type > NL80211_AUTHTYPE_MAX)
5157 return false;
5158
5159 switch (cmd) {
5160 case NL80211_CMD_AUTHENTICATE:
5161 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
5162 auth_type == NL80211_AUTHTYPE_SAE)
5163 return false;
63181060
JM		 5164 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5165 NL80211_EXT_FEATURE_FILS_STA) &&
5166 (auth_type == NL80211_AUTHTYPE_FILS_SK ||
5167 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
5168 auth_type == NL80211_AUTHTYPE_FILS_PK))
5169 return false;
e39e5b5e
JM		 5170 return true;
5171 case NL80211_CMD_CONNECT:
10773a7c 5172 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
26f7044e
CHH		 5173 !wiphy_ext_feature_isset(&rdev->wiphy,
5174 NL80211_EXT_FEATURE_SAE_OFFLOAD) &&
10773a7c 5175 auth_type == NL80211_AUTHTYPE_SAE)
a3caf744 5176 return false;
10773a7c 5177
a3caf744
VK		 5178 /* FILS with SK PFS or PK not supported yet */
5179 if (auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
5180 auth_type == NL80211_AUTHTYPE_FILS_PK)
5181 return false;
5182 if (!wiphy_ext_feature_isset(
5183 &rdev->wiphy,
5184 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) &&
5185 auth_type == NL80211_AUTHTYPE_FILS_SK)
5186 return false;
5187 return true;
e39e5b5e 5188 case NL80211_CMD_START_AP:
2831a631
CHH		 5189 if (!wiphy_ext_feature_isset(&rdev->wiphy,
5190 NL80211_EXT_FEATURE_SAE_OFFLOAD_AP) &&
5191 auth_type == NL80211_AUTHTYPE_SAE)
e39e5b5e 5192 return false;
63181060
JM		 5193 /* FILS not supported yet */
5194 if (auth_type == NL80211_AUTHTYPE_FILS_SK ||
5195 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
5196 auth_type == NL80211_AUTHTYPE_FILS_PK)
5197 return false;
e39e5b5e
JM		 5198 return true;
5199 default:
5200 return false;
5201 }
5202}
5203
8860020e
JB		 5204static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
5205{
5206 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5207 struct net_device *dev = info->user_ptr[1];
5208 struct wireless_dev *wdev = dev->ieee80211_ptr;
5209 struct cfg80211_ap_settings params;
5210 int err;
5211
5212 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
5213 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5214 return -EOPNOTSUPP;
5215
5216 if (!rdev->ops->start_ap)
5217 return -EOPNOTSUPP;
5218
5219 if (wdev->beacon_interval)
5220 return -EALREADY;
5221
5222 memset(&params, 0, sizeof(params));
5223
5224 /* these are required for START_AP */
5225 if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] ||
5226 !info->attrs[NL80211_ATTR_DTIM_PERIOD] ||
5227 !info->attrs[NL80211_ATTR_BEACON_HEAD])
5228 return -EINVAL;
5229
81e54d08 5230 err = nl80211_parse_beacon(rdev, info->attrs, &params.beacon);
8860020e
JB		 5231 if (err)
5232 return err;
5233
5234 params.beacon_interval =
5235 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
5236 params.dtim_period =
5237 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
5238
0c317a02
PK		 5239 err = cfg80211_validate_beacon_int(rdev, dev->ieee80211_ptr->iftype,
5240 params.beacon_interval);
8860020e
JB		 5241 if (err)
5242 return err;
5243
5244 /*
5245 * In theory, some of these attributes should be required here
5246 * but since they were not used when the command was originally
5247 * added, keep them optional for old user space programs to let
5248 * them continue to work with drivers that do not need the
5249 * additional information -- drivers must check!
5250 */
5251 if (info->attrs[NL80211_ATTR_SSID]) {
5252 params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
5253 params.ssid_len =
5254 nla_len(info->attrs[NL80211_ATTR_SSID]);
cb9abd48 5255 if (params.ssid_len == 0)
8860020e
JB		 5256 return -EINVAL;
5257 }
5258
ab0d76f6 5259 if (info->attrs[NL80211_ATTR_HIDDEN_SSID])
8860020e
JB		 5260 params.hidden_ssid = nla_get_u32(
5261 info->attrs[NL80211_ATTR_HIDDEN_SSID]);
8860020e
JB		 5262
5263 params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
5264
5265 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
5266 params.auth_type = nla_get_u32(
5267 info->attrs[NL80211_ATTR_AUTH_TYPE]);
e39e5b5e
JM		 5268 if (!nl80211_valid_auth_type(rdev, params.auth_type,
5269 NL80211_CMD_START_AP))
8860020e
JB		 5270 return -EINVAL;
5271 } else
5272 params.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
5273
5274 err = nl80211_crypto_settings(rdev, info, &params.crypto,
5275 NL80211_MAX_NR_CIPHER_SUITES);
5276 if (err)
5277 return err;
5278
1b658f11
VT		 5279 if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) {
5280 if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER))
5281 return -EOPNOTSUPP;
5282 params.inactivity_timeout = nla_get_u16(
5283 info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]);
5284 }
5285
53cabad7
JB		 5286 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
5287 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5288 return -EINVAL;
5289 params.p2p_ctwindow =
5290 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
53cabad7
JB		 5291 if (params.p2p_ctwindow != 0 &&
5292 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
5293 return -EINVAL;
5294 }
5295
5296 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
5297 u8 tmp;
5298
5299 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5300 return -EINVAL;
5301 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
53cabad7
JB		 5302 params.p2p_opp_ps = tmp;
5303 if (params.p2p_opp_ps != 0 &&
5304 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
5305 return -EINVAL;
5306 }
5307
aa430da4 5308 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
683b6d3b
JB		 5309 err = nl80211_parse_chandef(rdev, info, &params.chandef);
5310 if (err)
5311 return err;
5312 } else if (wdev->preset_chandef.chan) {
5313 params.chandef = wdev->preset_chandef;
46c1dd0c 5314 } else if (!nl80211_get_ap_channel(rdev, &params))
aa430da4
JB		 5315 return -EINVAL;
5316
923b352f
AN		 5317 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &params.chandef,
5318 wdev->iftype))
aa430da4
JB		 5319 return -EINVAL;
5320
a7c7fbff 5321 if (info->attrs[NL80211_ATTR_TX_RATES]) {
9a5f6488
TC		 5322 err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
5323 NL80211_ATTR_TX_RATES,
eb89a6a6 5324 &params.beacon_rate,
857b34c4 5325 dev, false);
a7c7fbff
PK		 5326 if (err)
5327 return err;
5328
8564e382
JB		 5329 err = validate_beacon_tx_rate(rdev, params.chandef.chan->band,
5330 &params.beacon_rate);
a7c7fbff
PK		 5331 if (err)
5332 return err;
5333 }
5334
18998c38
EP		 5335 if (info->attrs[NL80211_ATTR_SMPS_MODE]) {
5336 params.smps_mode =
5337 nla_get_u8(info->attrs[NL80211_ATTR_SMPS_MODE]);
5338 switch (params.smps_mode) {
5339 case NL80211_SMPS_OFF:
5340 break;
5341 case NL80211_SMPS_STATIC:
5342 if (!(rdev->wiphy.features &
5343 NL80211_FEATURE_STATIC_SMPS))
5344 return -EINVAL;
5345 break;
5346 case NL80211_SMPS_DYNAMIC:
5347 if (!(rdev->wiphy.features &
5348 NL80211_FEATURE_DYNAMIC_SMPS))
5349 return -EINVAL;
5350 break;
5351 default:
5352 return -EINVAL;
5353 }
5354 } else {
5355 params.smps_mode = NL80211_SMPS_OFF;
5356 }
5357
6e8ef842
PK		 5358 params.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
5359 if (params.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ])
5360 return -EOPNOTSUPP;
5361
4baf6bea
OO		 5362 if (info->attrs[NL80211_ATTR_ACL_POLICY]) {
5363 params.acl = parse_acl_data(&rdev->wiphy, info);
5364 if (IS_ERR(params.acl))
5365 return PTR_ERR(params.acl);
5366 }
5367
a0de1ca3
JC		 5368 params.twt_responder =
5369 nla_get_flag(info->attrs[NL80211_ATTR_TWT_RESPONDER]);
5370
796e90f4
JC		 5371 if (info->attrs[NL80211_ATTR_HE_OBSS_PD]) {
5372 err = nl80211_parse_he_obss_pd(
5373 info->attrs[NL80211_ATTR_HE_OBSS_PD],
5374 &params.he_obss_pd);
bc7a39b4
LC		 5375 if (err)
5376 goto out;
796e90f4
JC		 5377 }
5378
5c5e52d1
JC		 5379 if (info->attrs[NL80211_ATTR_HE_BSS_COLOR]) {
5380 err = nl80211_parse_he_bss_color(
5381 info->attrs[NL80211_ATTR_HE_BSS_COLOR],
5382 &params.he_bss_color);
5383 if (err)
60a0121f 5384 goto out;
5c5e52d1
JC		 5385 }
5386
291c49de
AD		 5387 if (info->attrs[NL80211_ATTR_FILS_DISCOVERY]) {
5388 err = nl80211_parse_fils_discovery(rdev,
5389 info->attrs[NL80211_ATTR_FILS_DISCOVERY],
5390 &params);
5391 if (err)
5392 goto out;
5393 }
5394
7443dcd1
AD		 5395 if (info->attrs[NL80211_ATTR_UNSOL_BCAST_PROBE_RESP]) {
5396 err = nl80211_parse_unsol_bcast_probe_resp(
5397 rdev, info->attrs[NL80211_ATTR_UNSOL_BCAST_PROBE_RESP],
5398 &params);
5399 if (err)
5400 return err;
5401 }
5402
66cd794e
JB		 5403 nl80211_calculate_ap_params(&params);
5404
fe494370
SD		 5405 if (info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])
5406 params.flags |= AP_SETTINGS_EXTERNAL_AUTH_SUPPORT;
5407
c56589ed 5408 wdev_lock(wdev);
e35e4d28 5409 err = rdev_start_ap(rdev, dev, &params);
46c1dd0c 5410 if (!err) {
683b6d3b 5411 wdev->preset_chandef = params.chandef;
8860020e 5412 wdev->beacon_interval = params.beacon_interval;
9e0e2961 5413 wdev->chandef = params.chandef;
06e191e2
AQ		 5414 wdev->ssid_len = params.ssid_len;
5415 memcpy(wdev->ssid, params.ssid, wdev->ssid_len);
466a3061
DK		 5416
5417 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
5418 wdev->conn_owner_nlportid = info->snd_portid;
46c1dd0c 5419 }
c56589ed 5420 wdev_unlock(wdev);
77765eaf 5421
9951ebfc 5422out:
77765eaf
VT		 5423 kfree(params.acl);
5424
56d1893d 5425 return err;
ed1b6cc7
JB		 5426}
5427
8860020e
JB		 5428static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info)
5429{
5430 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5431 struct net_device *dev = info->user_ptr[1];
5432 struct wireless_dev *wdev = dev->ieee80211_ptr;
5433 struct cfg80211_beacon_data params;
5434 int err;
5435
5436 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
5437 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5438 return -EOPNOTSUPP;
5439
5440 if (!rdev->ops->change_beacon)
5441 return -EOPNOTSUPP;
5442
5443 if (!wdev->beacon_interval)
5444 return -EINVAL;
5445
81e54d08 5446 err = nl80211_parse_beacon(rdev, info->attrs, &params);
8860020e
JB		 5447 if (err)
5448 return err;
5449
c56589ed
SW		 5450 wdev_lock(wdev);
5451 err = rdev_change_beacon(rdev, dev, &params);
5452 wdev_unlock(wdev);
5453
5454 return err;
8860020e
JB		 5455}
5456
5457static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info)
ed1b6cc7 5458{
4c476991
JB		 5459 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5460 struct net_device *dev = info->user_ptr[1];
ed1b6cc7 5461
7c8d5e03 5462 return cfg80211_stop_ap(rdev, dev, false);
ed1b6cc7
JB		 5463}
5464
5727ef1b
JB		 5465static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = {
5466 [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG },
5467 [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG },
5468 [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG },
0e46724a 5469 [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG },
b39c48fa 5470 [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG },
d83023da 5471 [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG },
5727ef1b
JB		 5472};
5473
eccb8e8f 5474static int parse_station_flags(struct genl_info *info,
bdd3ae3d 5475 enum nl80211_iftype iftype,
eccb8e8f 5476 struct station_parameters *params)
5727ef1b
JB		 5477{
5478 struct nlattr *flags[NL80211_STA_FLAG_MAX + 1];
eccb8e8f 5479 struct nlattr *nla;
5727ef1b
JB		 5480 int flag;
5481
eccb8e8f
JB		 5482 /*
5483 * Try parsing the new attribute first so userspace
5484 * can specify both for older kernels.
5485 */
5486 nla = info->attrs[NL80211_ATTR_STA_FLAGS2];
5487 if (nla) {
5488 struct nl80211_sta_flag_update *sta_flags;
5489
5490 sta_flags = nla_data(nla);
5491 params->sta_flags_mask = sta_flags->mask;
5492 params->sta_flags_set = sta_flags->set;
77ee7c89 5493 params->sta_flags_set &= params->sta_flags_mask;
eccb8e8f
JB		 5494 if ((params->sta_flags_mask |
5495 params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID))
5496 return -EINVAL;
5497 return 0;
5498 }
5499
5500 /* if present, parse the old attribute */
5727ef1b 5501
eccb8e8f 5502 nla = info->attrs[NL80211_ATTR_STA_FLAGS];
5727ef1b
JB		 5503 if (!nla)
5504 return 0;
5505
8cb08174 5506 if (nla_parse_nested_deprecated(flags, NL80211_STA_FLAG_MAX, nla, sta_flags_policy, info->extack))
5727ef1b
JB		 5507 return -EINVAL;
5508
bdd3ae3d
JB		 5509 /*
5510 * Only allow certain flags for interface types so that
5511 * other attributes are silently ignored. Remember that
5512 * this is backward compatibility code with old userspace
5513 * and shouldn't be hit in other cases anyway.
5514 */
5515 switch (iftype) {
5516 case NL80211_IFTYPE_AP:
5517 case NL80211_IFTYPE_AP_VLAN:
5518 case NL80211_IFTYPE_P2P_GO:
5519 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
5520 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
5521 BIT(NL80211_STA_FLAG_WME) |
5522 BIT(NL80211_STA_FLAG_MFP);
5523 break;
5524 case NL80211_IFTYPE_P2P_CLIENT:
5525 case NL80211_IFTYPE_STATION:
5526 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
5527 BIT(NL80211_STA_FLAG_TDLS_PEER);
5528 break;
5529 case NL80211_IFTYPE_MESH_POINT:
5530 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
5531 BIT(NL80211_STA_FLAG_MFP) |
5532 BIT(NL80211_STA_FLAG_AUTHORIZED);
5cf3006c 5533 break;
bdd3ae3d
JB		 5534 default:
5535 return -EINVAL;
5536 }
5727ef1b 5537
3383b5a6
JB		 5538 for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) {
5539 if (flags[flag]) {
eccb8e8f 5540 params->sta_flags_set |= (1<<flag);
5727ef1b 5541
3383b5a6
JB		 5542 /* no longer support new API additions in old API */
5543 if (flag > NL80211_STA_FLAG_MAX_OLD_API)
5544 return -EINVAL;
5545 }
5546 }
5547
5727ef1b
JB		 5548 return 0;
5549}
5550
9bb7e0f2 5551bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, int attr)
c8dcfd8a
FF		 5552{
5553 struct nlattr *rate;
8eb41c8d
VK		 5554 u32 bitrate;
5555 u16 bitrate_compat;
bbf67e45 5556 enum nl80211_rate_info rate_flg;
c8dcfd8a 5557
ae0be8de 5558 rate = nla_nest_start_noflag(msg, attr);
c8dcfd8a 5559 if (!rate)
db9c64cf 5560 return false;
c8dcfd8a
FF		 5561
5562 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
5563 bitrate = cfg80211_calculate_bitrate(info);
8eb41c8d
VK		 5564 /* report 16-bit bitrate only if we can */
5565 bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0;
db9c64cf
JB		 5566 if (bitrate > 0 &&
5567 nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate))
5568 return false;
5569 if (bitrate_compat > 0 &&
5570 nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat))
5571 return false;
5572
b51f3bee
JB		 5573 switch (info->bw) {
5574 case RATE_INFO_BW_5:
5575 rate_flg = NL80211_RATE_INFO_5_MHZ_WIDTH;
5576 break;
5577 case RATE_INFO_BW_10:
5578 rate_flg = NL80211_RATE_INFO_10_MHZ_WIDTH;
5579 break;
5580 default:
5581 WARN_ON(1);
7b506ff6 5582 fallthrough;
b51f3bee
JB		 5583 case RATE_INFO_BW_20:
5584 rate_flg = 0;
5585 break;
5586 case RATE_INFO_BW_40:
5587 rate_flg = NL80211_RATE_INFO_40_MHZ_WIDTH;
5588 break;
5589 case RATE_INFO_BW_80:
5590 rate_flg = NL80211_RATE_INFO_80_MHZ_WIDTH;
5591 break;
5592 case RATE_INFO_BW_160:
5593 rate_flg = NL80211_RATE_INFO_160_MHZ_WIDTH;
5594 break;
c4cbaf79
LC		 5595 case RATE_INFO_BW_HE_RU:
5596 rate_flg = 0;
5597 WARN_ON(!(info->flags & RATE_INFO_FLAGS_HE_MCS));
b51f3bee
JB		 5598 }
5599
5600 if (rate_flg && nla_put_flag(msg, rate_flg))
5601 return false;
5602
db9c64cf
JB		 5603 if (info->flags & RATE_INFO_FLAGS_MCS) {
5604 if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs))
5605 return false;
db9c64cf
JB		 5606 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
5607 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
5608 return false;
5609 } else if (info->flags & RATE_INFO_FLAGS_VHT_MCS) {
5610 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_MCS, info->mcs))
5611 return false;
5612 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss))
5613 return false;
db9c64cf
JB		 5614 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
5615 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
5616 return false;
c4cbaf79
LC		 5617 } else if (info->flags & RATE_INFO_FLAGS_HE_MCS) {
5618 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_MCS, info->mcs))
5619 return false;
5620 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_NSS, info->nss))
5621 return false;
5622 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_GI, info->he_gi))
5623 return false;
5624 if (nla_put_u8(msg, NL80211_RATE_INFO_HE_DCM, info->he_dcm))
5625 return false;
5626 if (info->bw == RATE_INFO_BW_HE_RU &&
5627 nla_put_u8(msg, NL80211_RATE_INFO_HE_RU_ALLOC,
5628 info->he_ru_alloc))
5629 return false;
db9c64cf 5630 }
c8dcfd8a
FF		 5631
5632 nla_nest_end(msg, rate);
5633 return true;
c8dcfd8a
FF		 5634}
5635
119363c7
FF		 5636static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal,
5637 int id)
5638{
5639 void *attr;
5640 int i = 0;
5641
5642 if (!mask)
5643 return true;
5644
ae0be8de 5645 attr = nla_nest_start_noflag(msg, id);
119363c7
FF		 5646 if (!attr)
5647 return false;
5648
5649 for (i = 0; i < IEEE80211_MAX_CHAINS; i++) {
5650 if (!(mask & BIT(i)))
5651 continue;
5652
5653 if (nla_put_u8(msg, i, signal[i]))
5654 return false;
5655 }
5656
5657 nla_nest_end(msg, attr);
5658
5659 return true;
5660}
5661
cf5ead82
JB		 5662static int nl80211_send_station(struct sk_buff *msg, u32 cmd, u32 portid,
5663 u32 seq, int flags,
66266b3a
JL		 5664 struct cfg80211_registered_device *rdev,
5665 struct net_device *dev,
98b62183 5666 const u8 *mac_addr, struct station_info *sinfo)
fd5b74dc
JB		 5667{
5668 void *hdr;
f4263c98 5669 struct nlattr *sinfoattr, *bss_param;
fd5b74dc 5670
cf5ead82 5671 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
f77bf486
AS		 5672 if (!hdr) {
5673 cfg80211_sinfo_release_content(sinfo);
fd5b74dc 5674 return -1;
f77bf486 5675 }
fd5b74dc 5676
9360ffd1
DM		 5677 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
5678 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
5679 nla_put_u32(msg, NL80211_ATTR_GENERATION, sinfo->generation))
5680 goto nla_put_failure;
f5ea9120 5681
ae0be8de 5682 sinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_STA_INFO);
2ec600d6 5683 if (!sinfoattr)
fd5b74dc 5684 goto nla_put_failure;
319090bf
JB		 5685
5686#define PUT_SINFO(attr, memb, type) do { \
d686b920 5687 BUILD_BUG_ON(sizeof(type) == sizeof(u64)); \
397c657a 5688 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \
319090bf
JB		 5689 nla_put_ ## type(msg, NL80211_STA_INFO_ ## attr, \
5690 sinfo->memb)) \
5691 goto nla_put_failure; \
5692 } while (0)
d686b920 5693#define PUT_SINFO_U64(attr, memb) do { \
397c657a 5694 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \
d686b920
JB		 5695 nla_put_u64_64bit(msg, NL80211_STA_INFO_ ## attr, \
5696 sinfo->memb, NL80211_STA_INFO_PAD)) \
5697 goto nla_put_failure; \
5698 } while (0)
319090bf
JB		 5699
5700 PUT_SINFO(CONNECTED_TIME, connected_time, u32);
5701 PUT_SINFO(INACTIVE_TIME, inactive_time, u32);
6c7a0033 5702 PUT_SINFO_U64(ASSOC_AT_BOOTTIME, assoc_at);
319090bf 5703
397c657a
OE		 5704 if (sinfo->filled & (BIT_ULL(NL80211_STA_INFO_RX_BYTES) |
5705 BIT_ULL(NL80211_STA_INFO_RX_BYTES64)) &&
9360ffd1 5706 nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES,
42745e03 5707 (u32)sinfo->rx_bytes))
9360ffd1 5708 goto nla_put_failure;
319090bf 5709
397c657a
OE		 5710 if (sinfo->filled & (BIT_ULL(NL80211_STA_INFO_TX_BYTES) |
5711 BIT_ULL(NL80211_STA_INFO_TX_BYTES64)) &&
9360ffd1 5712 nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES,
42745e03
VK		 5713 (u32)sinfo->tx_bytes))
5714 goto nla_put_failure;
319090bf 5715
d686b920
JB		 5716 PUT_SINFO_U64(RX_BYTES64, rx_bytes);
5717 PUT_SINFO_U64(TX_BYTES64, tx_bytes);
319090bf
JB		 5718 PUT_SINFO(LLID, llid, u16);
5719 PUT_SINFO(PLID, plid, u16);
5720 PUT_SINFO(PLINK_STATE, plink_state, u8);
d686b920 5721 PUT_SINFO_U64(RX_DURATION, rx_duration);
36647055
THJ		 5722 PUT_SINFO_U64(TX_DURATION, tx_duration);
5723
5724 if (wiphy_ext_feature_isset(&rdev->wiphy,
5725 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
5726 PUT_SINFO(AIRTIME_WEIGHT, airtime_weight, u16);
319090bf 5727
66266b3a
JL		 5728 switch (rdev->wiphy.signal_type) {
5729 case CFG80211_SIGNAL_TYPE_MBM:
319090bf
JB		 5730 PUT_SINFO(SIGNAL, signal, u8);
5731 PUT_SINFO(SIGNAL_AVG, signal_avg, u8);
66266b3a
JL		 5732 break;
5733 default:
5734 break;
5735 }
397c657a 5736 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL)) {
119363c7
FF		 5737 if (!nl80211_put_signal(msg, sinfo->chains,
5738 sinfo->chain_signal,
5739 NL80211_STA_INFO_CHAIN_SIGNAL))
5740 goto nla_put_failure;
5741 }
397c657a 5742 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) {
119363c7
FF		 5743 if (!nl80211_put_signal(msg, sinfo->chains,
5744 sinfo->chain_signal_avg,
5745 NL80211_STA_INFO_CHAIN_SIGNAL_AVG))
5746 goto nla_put_failure;
5747 }
397c657a 5748 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_TX_BITRATE)) {
c8dcfd8a
FF		 5749 if (!nl80211_put_sta_rate(msg, &sinfo->txrate,
5750 NL80211_STA_INFO_TX_BITRATE))
5751 goto nla_put_failure;
5752 }
397c657a 5753 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_RX_BITRATE)) {
c8dcfd8a
FF		 5754 if (!nl80211_put_sta_rate(msg, &sinfo->rxrate,
5755 NL80211_STA_INFO_RX_BITRATE))
420e7fab 5756 goto nla_put_failure;
420e7fab 5757 }
319090bf
JB		 5758
5759 PUT_SINFO(RX_PACKETS, rx_packets, u32);
5760 PUT_SINFO(TX_PACKETS, tx_packets, u32);
5761 PUT_SINFO(TX_RETRIES, tx_retries, u32);
5762 PUT_SINFO(TX_FAILED, tx_failed, u32);
5763 PUT_SINFO(EXPECTED_THROUGHPUT, expected_throughput, u32);
ab60633c 5764 PUT_SINFO(AIRTIME_LINK_METRIC, airtime_link_metric, u32);
319090bf
JB		 5765 PUT_SINFO(BEACON_LOSS, beacon_loss_count, u32);
5766 PUT_SINFO(LOCAL_PM, local_pm, u32);
5767 PUT_SINFO(PEER_PM, peer_pm, u32);
5768 PUT_SINFO(NONPEER_PM, nonpeer_pm, u32);
dbdaee7a 5769 PUT_SINFO(CONNECTED_TO_GATE, connected_to_gate, u8);
1303a51c 5770 PUT_SINFO(CONNECTED_TO_AS, connected_to_as, u8);
319090bf 5771
397c657a 5772 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_BSS_PARAM)) {
ae0be8de
MK		 5773 bss_param = nla_nest_start_noflag(msg,
5774 NL80211_STA_INFO_BSS_PARAM);
f4263c98
PS		 5775 if (!bss_param)
5776 goto nla_put_failure;
5777
9360ffd1
DM		 5778 if (((sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) &&
5779 nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) ||
5780 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) &&
5781 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) ||
5782 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) &&
5783 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) ||
5784 nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD,
5785 sinfo->bss_param.dtim_period) ||
5786 nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL,
5787 sinfo->bss_param.beacon_interval))
5788 goto nla_put_failure;
f4263c98
PS		 5789
5790 nla_nest_end(msg, bss_param);
5791 }
397c657a 5792 if ((sinfo->filled & BIT_ULL(NL80211_STA_INFO_STA_FLAGS)) &&
9360ffd1
DM		 5793 nla_put(msg, NL80211_STA_INFO_STA_FLAGS,
5794 sizeof(struct nl80211_sta_flag_update),
5795 &sinfo->sta_flags))
5796 goto nla_put_failure;
319090bf 5797
d686b920
JB		 5798 PUT_SINFO_U64(T_OFFSET, t_offset);
5799 PUT_SINFO_U64(RX_DROP_MISC, rx_dropped_misc);
5800 PUT_SINFO_U64(BEACON_RX, rx_beacon);
a76b1942 5801 PUT_SINFO(BEACON_SIGNAL_AVG, rx_beacon_signal_avg, u8);
0d4e14a3
AB		 5802 PUT_SINFO(RX_MPDUS, rx_mpdu_count, u32);
5803 PUT_SINFO(FCS_ERROR_COUNT, fcs_err_count, u32);
81d5439d 5804 if (wiphy_ext_feature_isset(&rdev->wiphy,
9c06602b
BP		 5805 NL80211_EXT_FEATURE_ACK_SIGNAL_SUPPORT)) {
5806 PUT_SINFO(ACK_SIGNAL, ack_signal, u8);
5807 PUT_SINFO(ACK_SIGNAL_AVG, avg_ack_signal, s8);
5808 }
319090bf
JB		 5809
5810#undef PUT_SINFO
d686b920 5811#undef PUT_SINFO_U64
6de39808 5812
8689c051 5813 if (sinfo->pertid) {
6de39808
JB		 5814 struct nlattr *tidsattr;
5815 int tid;
5816
ae0be8de
MK		 5817 tidsattr = nla_nest_start_noflag(msg,
5818 NL80211_STA_INFO_TID_STATS);
6de39808
JB		 5819 if (!tidsattr)
5820 goto nla_put_failure;
5821
5822 for (tid = 0; tid < IEEE80211_NUM_TIDS + 1; tid++) {
5823 struct cfg80211_tid_stats *tidstats;
5824 struct nlattr *tidattr;
5825
5826 tidstats = &sinfo->pertid[tid];
5827
5828 if (!tidstats->filled)
5829 continue;
5830
ae0be8de 5831 tidattr = nla_nest_start_noflag(msg, tid + 1);
6de39808
JB		 5832 if (!tidattr)
5833 goto nla_put_failure;
5834
d686b920 5835#define PUT_TIDVAL_U64(attr, memb) do { \
6de39808 5836 if (tidstats->filled & BIT(NL80211_TID_STATS_ ## attr) && \
d686b920
JB		 5837 nla_put_u64_64bit(msg, NL80211_TID_STATS_ ## attr, \
5838 tidstats->memb, NL80211_TID_STATS_PAD)) \
6de39808
JB		 5839 goto nla_put_failure; \
5840 } while (0)
5841
d686b920
JB		 5842 PUT_TIDVAL_U64(RX_MSDU, rx_msdu);
5843 PUT_TIDVAL_U64(TX_MSDU, tx_msdu);
5844 PUT_TIDVAL_U64(TX_MSDU_RETRIES, tx_msdu_retries);
5845 PUT_TIDVAL_U64(TX_MSDU_FAILED, tx_msdu_failed);
6de39808 5846
d686b920 5847#undef PUT_TIDVAL_U64
52539ca8
THJ		 5848 if ((tidstats->filled &
5849 BIT(NL80211_TID_STATS_TXQ_STATS)) &&
5850 !nl80211_put_txq_stats(msg, &tidstats->txq_stats,
5851 NL80211_TID_STATS_TXQ_STATS))
5852 goto nla_put_failure;
5853
6de39808
JB		 5854 nla_nest_end(msg, tidattr);
5855 }
5856
5857 nla_nest_end(msg, tidsattr);
5858 }
5859
2ec600d6 5860 nla_nest_end(msg, sinfoattr);
fd5b74dc 5861
319090bf 5862 if (sinfo->assoc_req_ies_len &&
9360ffd1
DM		 5863 nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len,
5864 sinfo->assoc_req_ies))
5865 goto nla_put_failure;
50d3dfb7 5866
7ea3e110 5867 cfg80211_sinfo_release_content(sinfo);
053c095a
JB		 5868 genlmsg_end(msg, hdr);
5869 return 0;
fd5b74dc
JB		 5870
5871 nla_put_failure:
7ea3e110 5872 cfg80211_sinfo_release_content(sinfo);
bc3ed28c
TG		 5873 genlmsg_cancel(msg, hdr);
5874 return -EMSGSIZE;
fd5b74dc
JB		 5875}
5876
2ec600d6 5877static int nl80211_dump_station(struct sk_buff *skb,
bba95fef 5878 struct netlink_callback *cb)
2ec600d6 5879{
73887fd9 5880 struct station_info sinfo;
1b8ec87a 5881 struct cfg80211_registered_device *rdev;
97990a06 5882 struct wireless_dev *wdev;
2ec600d6 5883 u8 mac_addr[ETH_ALEN];
97990a06 5884 int sta_idx = cb->args[2];
2ec600d6 5885 int err;
2ec600d6 5886
ea90e0dc 5887 rtnl_lock();
5297c65c 5888 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
67748893 5889 if (err)
ea90e0dc 5890 goto out_err;
bba95fef 5891
97990a06
JB		 5892 if (!wdev->netdev) {
5893 err = -EINVAL;
5894 goto out_err;
5895 }
5896
1b8ec87a 5897 if (!rdev->ops->dump_station) {
eec60b03 5898 err = -EOPNOTSUPP;
bba95fef
JB		 5899 goto out_err;
5900 }
5901
bba95fef 5902 while (1) {
73887fd9 5903 memset(&sinfo, 0, sizeof(sinfo));
1b8ec87a 5904 err = rdev_dump_station(rdev, wdev->netdev, sta_idx,
73887fd9 5905 mac_addr, &sinfo);
bba95fef
JB		 5906 if (err == -ENOENT)
5907 break;
5908 if (err)
3b85875a 5909 goto out_err;
bba95fef 5910
cf5ead82 5911 if (nl80211_send_station(skb, NL80211_CMD_NEW_STATION,
15e47304 5912 NETLINK_CB(cb->skb).portid,
bba95fef 5913 cb->nlh->nlmsg_seq, NLM_F_MULTI,
1b8ec87a 5914 rdev, wdev->netdev, mac_addr,
73887fd9 5915 &sinfo) < 0)
bba95fef
JB		 5916 goto out;
5917
5918 sta_idx++;
5919 }
5920
bba95fef 5921 out:
97990a06 5922 cb->args[2] = sta_idx;
bba95fef 5923 err = skb->len;
bba95fef 5924 out_err:
ea90e0dc 5925 rtnl_unlock();
bba95fef
JB		 5926
5927 return err;
2ec600d6 5928}
fd5b74dc 5929
5727ef1b
JB		 5930static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info)
5931{
4c476991
JB		 5932 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5933 struct net_device *dev = info->user_ptr[1];
73887fd9 5934 struct station_info sinfo;
fd5b74dc
JB		 5935 struct sk_buff *msg;
5936 u8 *mac_addr = NULL;
4c476991 5937 int err;
fd5b74dc 5938
73887fd9 5939 memset(&sinfo, 0, sizeof(sinfo));
fd5b74dc 5940
73887fd9
JB		 5941 if (!info->attrs[NL80211_ATTR_MAC])
5942 return -EINVAL;
fd5b74dc
JB		 5943
5944 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
5945
73887fd9
JB		 5946 if (!rdev->ops->get_station)
5947 return -EOPNOTSUPP;
3b85875a 5948
73887fd9 5949 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
fd5b74dc 5950 if (err)
73887fd9 5951 return err;
2ec600d6 5952
fd2120ca 5953 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7ea3e110 5954 if (!msg) {
ba8f566a 5955 cfg80211_sinfo_release_content(&sinfo);
73887fd9 5956 return -ENOMEM;
7ea3e110 5957 }
fd5b74dc 5958
cf5ead82
JB		 5959 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION,
5960 info->snd_portid, info->snd_seq, 0,
73887fd9 5961 rdev, dev, mac_addr, &sinfo) < 0) {
4c476991 5962 nlmsg_free(msg);
73887fd9 5963 return -ENOBUFS;
4c476991 5964 }
3b85875a 5965
73887fd9 5966 return genlmsg_reply(msg, info);
5727ef1b
JB		 5967}
5968
77ee7c89
JB		 5969int cfg80211_check_station_change(struct wiphy *wiphy,
5970 struct station_parameters *params,
5971 enum cfg80211_station_type statype)
5972{
e4208427
AB		 5973 if (params->listen_interval != -1 &&
5974 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
77ee7c89 5975 return -EINVAL;
e4208427 5976
17b94247
AB		 5977 if (params->support_p2p_ps != -1 &&
5978 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
5979 return -EINVAL;
5980
c72e1140 5981 if (params->aid &&
e4208427
AB		 5982 !(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) &&
5983 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
77ee7c89
JB		 5984 return -EINVAL;
5985
5986 /* When you run into this, adjust the code below for the new flag */
5987 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
5988
5989 switch (statype) {
eef941e6
TP		 5990 case CFG80211_STA_MESH_PEER_KERNEL:
5991 case CFG80211_STA_MESH_PEER_USER:
77ee7c89
JB		 5992 /*
5993 * No ignoring the TDLS flag here -- the userspace mesh
5994 * code doesn't have the bug of including TDLS in the
5995 * mask everywhere.
5996 */
5997 if (params->sta_flags_mask &
5998 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) |
5999 BIT(NL80211_STA_FLAG_MFP) |
6000 BIT(NL80211_STA_FLAG_AUTHORIZED)))
6001 return -EINVAL;
6002 break;
6003 case CFG80211_STA_TDLS_PEER_SETUP:
6004 case CFG80211_STA_TDLS_PEER_ACTIVE:
6005 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
6006 return -EINVAL;
6007 /* ignore since it can't change */
6008 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
6009 break;
6010 default:
6011 /* disallow mesh-specific things */
6012 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION)
6013 return -EINVAL;
6014 if (params->local_pm)
6015 return -EINVAL;
6016 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
6017 return -EINVAL;
6018 }
6019
6020 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
6021 statype != CFG80211_STA_TDLS_PEER_ACTIVE) {
6022 /* TDLS can't be set, ... */
6023 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
6024 return -EINVAL;
6025 /*
6026 * ... but don't bother the driver with it. This works around
6027 * a hostapd/wpa_supplicant issue -- it always includes the
6028 * TLDS_PEER flag in the mask even for AP mode.
6029 */
6030 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
6031 }
6032
47edb11b
AB		 6033 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
6034 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
77ee7c89
JB		 6035 /* reject other things that can't change */
6036 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD)
6037 return -EINVAL;
6038 if (params->sta_modify_mask & STATION_PARAM_APPLY_CAPABILITY)
6039 return -EINVAL;
6040 if (params->supported_rates)
6041 return -EINVAL;
c4cbaf79
LC		 6042 if (params->ext_capab || params->ht_capa || params->vht_capa ||
6043 params->he_capa)
77ee7c89
JB		 6044 return -EINVAL;
6045 }
6046
47edb11b
AB		 6047 if (statype != CFG80211_STA_AP_CLIENT &&
6048 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
77ee7c89
JB		 6049 if (params->vlan)
6050 return -EINVAL;
6051 }
6052
6053 switch (statype) {
6054 case CFG80211_STA_AP_MLME_CLIENT:
6055 /* Use this only for authorizing/unauthorizing a station */
6056 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
6057 return -EOPNOTSUPP;
6058 break;
6059 case CFG80211_STA_AP_CLIENT:
47edb11b 6060 case CFG80211_STA_AP_CLIENT_UNASSOC:
77ee7c89
JB		 6061 /* accept only the listed bits */
6062 if (params->sta_flags_mask &
6063 ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
6064 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6065 BIT(NL80211_STA_FLAG_ASSOCIATED) |
6066 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
6067 BIT(NL80211_STA_FLAG_WME) |
6068 BIT(NL80211_STA_FLAG_MFP)))
6069 return -EINVAL;
6070
6071 /* but authenticated/associated only if driver handles it */
6072 if (!(wiphy->features & NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
6073 params->sta_flags_mask &
6074 (BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6075 BIT(NL80211_STA_FLAG_ASSOCIATED)))
6076 return -EINVAL;
6077 break;
6078 case CFG80211_STA_IBSS:
6079 case CFG80211_STA_AP_STA:
6080 /* reject any changes other than AUTHORIZED */
6081 if (params->sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED))
6082 return -EINVAL;
6083 break;
6084 case CFG80211_STA_TDLS_PEER_SETUP:
6085 /* reject any changes other than AUTHORIZED or WME */
6086 if (params->sta_flags_mask & ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
6087 BIT(NL80211_STA_FLAG_WME)))
6088 return -EINVAL;
6089 /* force (at least) rates when authorizing */
6090 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED) &&
6091 !params->supported_rates)
6092 return -EINVAL;
6093 break;
6094 case CFG80211_STA_TDLS_PEER_ACTIVE:
6095 /* reject any changes */
6096 return -EINVAL;
eef941e6 6097 case CFG80211_STA_MESH_PEER_KERNEL:
77ee7c89
JB		 6098 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
6099 return -EINVAL;
6100 break;
eef941e6 6101 case CFG80211_STA_MESH_PEER_USER:
42925040
CYY		 6102 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION &&
6103 params->plink_action != NL80211_PLINK_ACTION_BLOCK)
77ee7c89
JB		 6104 return -EINVAL;
6105 break;
6106 }
6107
06f7c88c
BL		 6108 /*
6109 * Older kernel versions ignored this attribute entirely, so don't
6110 * reject attempts to update it but mark it as unused instead so the
6111 * driver won't look at the data.
6112 */
6113 if (statype != CFG80211_STA_AP_CLIENT_UNASSOC &&
6114 statype != CFG80211_STA_TDLS_PEER_SETUP)
6115 params->opmode_notif_used = false;
6116
77ee7c89
JB		 6117 return 0;
6118}
6119EXPORT_SYMBOL(cfg80211_check_station_change);
6120
5727ef1b 6121/*
c258d2de 6122 * Get vlan interface making sure it is running and on the right wiphy.
5727ef1b 6123 */
80b99899
JB		 6124static struct net_device *get_vlan(struct genl_info *info,
6125 struct cfg80211_registered_device *rdev)
5727ef1b 6126{
463d0183 6127 struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN];
80b99899
JB		 6128 struct net_device *v;
6129 int ret;
6130
6131 if (!vlanattr)
6132 return NULL;
6133
6134 v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr));
6135 if (!v)
6136 return ERR_PTR(-ENODEV);
6137
6138 if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) {
6139 ret = -EINVAL;
6140 goto error;
5727ef1b 6141 }
80b99899 6142
77ee7c89
JB		 6143 if (v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
6144 v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
6145 v->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
6146 ret = -EINVAL;
6147 goto error;
6148 }
6149
80b99899
JB		 6150 if (!netif_running(v)) {
6151 ret = -ENETDOWN;
6152 goto error;
6153 }
6154
6155 return v;
6156 error:
6157 dev_put(v);
6158 return ERR_PTR(ret);
5727ef1b
JB		 6159}
6160
94e860f1
JB		 6161static const struct nla_policy
6162nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] = {
df881293
JM		 6163 [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 },
6164 [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 },
6165};
6166
ff276691
JB		 6167static int nl80211_parse_sta_wme(struct genl_info *info,
6168 struct station_parameters *params)
df881293 6169{
df881293
JM		 6170 struct nlattr *tb[NL80211_STA_WME_MAX + 1];
6171 struct nlattr *nla;
6172 int err;
6173
df881293
JM		 6174 /* parse WME attributes if present */
6175 if (!info->attrs[NL80211_ATTR_STA_WME])
6176 return 0;
6177
6178 nla = info->attrs[NL80211_ATTR_STA_WME];
8cb08174
JB		 6179 err = nla_parse_nested_deprecated(tb, NL80211_STA_WME_MAX, nla,
6180 nl80211_sta_wme_policy,
6181 info->extack);
df881293
JM		 6182 if (err)
6183 return err;
6184
6185 if (tb[NL80211_STA_WME_UAPSD_QUEUES])
6186 params->uapsd_queues = nla_get_u8(
6187 tb[NL80211_STA_WME_UAPSD_QUEUES]);
6188 if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
6189 return -EINVAL;
6190
6191 if (tb[NL80211_STA_WME_MAX_SP])
6192 params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]);
6193
6194 if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
6195 return -EINVAL;
6196
6197 params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD;
6198
6199 return 0;
6200}
6201
c01fc9ad
SD		 6202static int nl80211_parse_sta_channel_info(struct genl_info *info,
6203 struct station_parameters *params)
6204{
6205 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]) {
6206 params->supported_channels =
6207 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
6208 params->supported_channels_len =
6209 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
6210 /*
6211 * Need to include at least one (first channel, number of
cb9abd48
JB		 6212 * channels) tuple for each subband (checked in policy),
6213 * and must have proper tuples for the rest of the data as well.
c01fc9ad 6214 */
c01fc9ad
SD		 6215 if (params->supported_channels_len % 2)
6216 return -EINVAL;
6217 }
6218
6219 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]) {
6220 params->supported_oper_classes =
6221 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
6222 params->supported_oper_classes_len =
6223 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
c01fc9ad
SD		 6224 }
6225 return 0;
6226}
6227
ff276691
JB		 6228static int nl80211_set_station_tdls(struct genl_info *info,
6229 struct station_parameters *params)
6230{
c01fc9ad 6231 int err;
ff276691 6232 /* Dummy STA entry gets updated once the peer capabilities are known */
5e4b6f56
JM		 6233 if (info->attrs[NL80211_ATTR_PEER_AID])
6234 params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
ff276691
JB		 6235 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
6236 params->ht_capa =
6237 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
6238 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
6239 params->vht_capa =
6240 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
c4cbaf79
LC		 6241 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
6242 params->he_capa =
6243 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
6244 params->he_capa_len =
6245 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
c4cbaf79 6246 }
ff276691 6247
c01fc9ad
SD		 6248 err = nl80211_parse_sta_channel_info(info, params);
6249 if (err)
6250 return err;
6251
ff276691
JB		 6252 return nl80211_parse_sta_wme(info, params);
6253}
6254
e96d1cd2
ARN		 6255static int nl80211_parse_sta_txpower_setting(struct genl_info *info,
6256 struct station_parameters *params)
6257{
6258 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6259 int idx;
6260
6261 if (info->attrs[NL80211_ATTR_STA_TX_POWER_SETTING]) {
6262 if (!rdev->ops->set_tx_power ||
6263 !wiphy_ext_feature_isset(&rdev->wiphy,
6264 NL80211_EXT_FEATURE_STA_TX_PWR))
6265 return -EOPNOTSUPP;
6266
6267 idx = NL80211_ATTR_STA_TX_POWER_SETTING;
6268 params->txpwr.type = nla_get_u8(info->attrs[idx]);
6269
6270 if (params->txpwr.type == NL80211_TX_POWER_LIMITED) {
6271 idx = NL80211_ATTR_STA_TX_POWER;
6272
6273 if (info->attrs[idx])
6274 params->txpwr.power =
6275 nla_get_s16(info->attrs[idx]);
6276 else
6277 return -EINVAL;
6278 }
6279 params->sta_modify_mask |= STATION_PARAM_APPLY_STA_TXPOWER;
6280 }
6281
6282 return 0;
6283}
6284
5727ef1b
JB		 6285static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
6286{
4c476991 6287 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4c476991 6288 struct net_device *dev = info->user_ptr[1];
5727ef1b 6289 struct station_parameters params;
77ee7c89
JB		 6290 u8 *mac_addr;
6291 int err;
5727ef1b
JB		 6292
6293 memset(&params, 0, sizeof(params));
6294
77ee7c89
JB		 6295 if (!rdev->ops->change_station)
6296 return -EOPNOTSUPP;
6297
e4208427
AB		 6298 /*
6299 * AID and listen_interval properties can be set only for unassociated
6300 * station. Include these parameters here and will check them in
6301 * cfg80211_check_station_change().
6302 */
a9bc31e4
AB		 6303 if (info->attrs[NL80211_ATTR_STA_AID])
6304 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
e4208427 6305
14f34e36
GG		 6306 if (info->attrs[NL80211_ATTR_VLAN_ID])
6307 params.vlan_id = nla_get_u16(info->attrs[NL80211_ATTR_VLAN_ID]);
6308
e4208427
AB		 6309 if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
6310 params.listen_interval =
6311 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
6312 else
6313 params.listen_interval = -1;
5727ef1b 6314
ab0d76f6
JB		 6315 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS])
6316 params.support_p2p_ps =
6317 nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
6318 else
17b94247 6319 params.support_p2p_ps = -1;
17b94247 6320
5727ef1b
JB		 6321 if (!info->attrs[NL80211_ATTR_MAC])
6322 return -EINVAL;
6323
6324 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
6325
6326 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) {
6327 params.supported_rates =
6328 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
6329 params.supported_rates_len =
6330 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
6331 }
6332
9d62a986
JM		 6333 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
6334 params.capability =
6335 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
6336 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
6337 }
6338
6339 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
6340 params.ext_capab =
6341 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
6342 params.ext_capab_len =
6343 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
6344 }
6345
bdd3ae3d 6346 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, &params))
5727ef1b
JB		 6347 return -EINVAL;
6348
ab0d76f6 6349 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
2ec600d6 6350 params.plink_action =
f8bacc21 6351 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
2ec600d6 6352
f8bacc21 6353 if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) {
9c3990aa 6354 params.plink_state =
f8bacc21 6355 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]);
ab0d76f6 6356 if (info->attrs[NL80211_ATTR_MESH_PEER_AID])
7d27a0ba
MH		 6357 params.peer_aid = nla_get_u16(
6358 info->attrs[NL80211_ATTR_MESH_PEER_AID]);
f8bacc21
JB		 6359 params.sta_modify_mask |= STATION_PARAM_APPLY_PLINK_STATE;
6360 }
9c3990aa 6361
ab0d76f6
JB		 6362 if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE])
6363 params.local_pm = nla_get_u32(
3b1c5a53
MP		 6364 info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]);
6365
06f7c88c
BL		 6366 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
6367 params.opmode_notif_used = true;
6368 params.opmode_notif =
6369 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
6370 }
6371
43e64bf3
RM		 6372 if (info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY])
6373 params.he_6ghz_capa =
fce2ff72 6374 nla_data(info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY]);
43e64bf3 6375
36647055
THJ		 6376 if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
6377 params.airtime_weight =
6378 nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
6379
6380 if (params.airtime_weight &&
6381 !wiphy_ext_feature_isset(&rdev->wiphy,
6382 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
6383 return -EOPNOTSUPP;
6384
e96d1cd2
ARN		 6385 err = nl80211_parse_sta_txpower_setting(info, &params);
6386 if (err)
6387 return err;
6388
77ee7c89
JB		 6389 /* Include parameters for TDLS peer (will check later) */
6390 err = nl80211_set_station_tdls(info, &params);
6391 if (err)
6392 return err;
6393
6394 params.vlan = get_vlan(info, rdev);
6395 if (IS_ERR(params.vlan))
6396 return PTR_ERR(params.vlan);
6397
a97f4424
JB		 6398 switch (dev->ieee80211_ptr->iftype) {
6399 case NL80211_IFTYPE_AP:
6400 case NL80211_IFTYPE_AP_VLAN:
074ac8df 6401 case NL80211_IFTYPE_P2P_GO:
074ac8df 6402 case NL80211_IFTYPE_P2P_CLIENT:
a97f4424 6403 case NL80211_IFTYPE_STATION:
267335d6 6404 case NL80211_IFTYPE_ADHOC:
a97f4424 6405 case NL80211_IFTYPE_MESH_POINT:
a97f4424
JB		 6406 break;
6407 default:
77ee7c89
JB		 6408 err = -EOPNOTSUPP;
6409 goto out_put_vlan;
034d655e
JB		 6410 }
6411
77ee7c89 6412 /* driver will call cfg80211_check_station_change() */
e35e4d28 6413 err = rdev_change_station(rdev, dev, mac_addr, &params);
5727ef1b 6414
77ee7c89 6415 out_put_vlan:
5727ef1b
JB		 6416 if (params.vlan)
6417 dev_put(params.vlan);
3b85875a 6418
5727ef1b
JB		 6419 return err;
6420}
6421
6422static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
6423{
4c476991 6424 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5727ef1b 6425 int err;
4c476991 6426 struct net_device *dev = info->user_ptr[1];
5727ef1b
JB		 6427 struct station_parameters params;
6428 u8 *mac_addr = NULL;
bda95eb1
JB		 6429 u32 auth_assoc = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
6430 BIT(NL80211_STA_FLAG_ASSOCIATED);
5727ef1b
JB		 6431
6432 memset(&params, 0, sizeof(params));
6433
984c311b
JB		 6434 if (!rdev->ops->add_station)
6435 return -EOPNOTSUPP;
6436
5727ef1b
JB		 6437 if (!info->attrs[NL80211_ATTR_MAC])
6438 return -EINVAL;
6439
5727ef1b
JB		 6440 if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
6441 return -EINVAL;
6442
6443 if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES])
6444 return -EINVAL;
6445
5e4b6f56
JM		 6446 if (!info->attrs[NL80211_ATTR_STA_AID] &&
6447 !info->attrs[NL80211_ATTR_PEER_AID])
0e956c13
TLSC		 6448 return -EINVAL;
6449
5727ef1b
JB		 6450 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
6451 params.supported_rates =
6452 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
6453 params.supported_rates_len =
6454 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
6455 params.listen_interval =
6456 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
51b50fbe 6457
14f34e36
GG		 6458 if (info->attrs[NL80211_ATTR_VLAN_ID])
6459 params.vlan_id = nla_get_u16(info->attrs[NL80211_ATTR_VLAN_ID]);
6460
17b94247 6461 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]) {
ab0d76f6
JB		 6462 params.support_p2p_ps =
6463 nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
17b94247
AB		 6464 } else {
6465 /*
6466 * if not specified, assume it's supported for P2P GO interface,
6467 * and is NOT supported for AP interface
6468 */
6469 params.support_p2p_ps =
6470 dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO;
6471 }
6472
3d124ea2 6473 if (info->attrs[NL80211_ATTR_PEER_AID])
5e4b6f56 6474 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
3d124ea2
JM		 6475 else
6476 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
51b50fbe 6477
9d62a986
JM		 6478 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
6479 params.capability =
6480 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
6481 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
6482 }
6483
6484 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
6485 params.ext_capab =
6486 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
6487 params.ext_capab_len =
6488 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
6489 }
6490
36aedc90
JM		 6491 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
6492 params.ht_capa =
6493 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
5727ef1b 6494
f461be3e
MP		 6495 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
6496 params.vht_capa =
6497 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
6498
c4cbaf79
LC		 6499 if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) {
6500 params.he_capa =
6501 nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
6502 params.he_capa_len =
6503 nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
c4cbaf79
LC		 6504 }
6505
43e64bf3
RM		 6506 if (info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY])
6507 params.he_6ghz_capa =
6508 nla_data(info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY]);
6509
60f4a7b1
MK		 6510 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
6511 params.opmode_notif_used = true;
6512 params.opmode_notif =
6513 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
6514 }
6515
ab0d76f6 6516 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
96b78dff 6517 params.plink_action =
f8bacc21 6518 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
96b78dff 6519
36647055
THJ		 6520 if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
6521 params.airtime_weight =
6522 nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
6523
6524 if (params.airtime_weight &&
6525 !wiphy_ext_feature_isset(&rdev->wiphy,
6526 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
6527 return -EOPNOTSUPP;
6528
e96d1cd2
ARN		 6529 err = nl80211_parse_sta_txpower_setting(info, &params);
6530 if (err)
6531 return err;
6532
c01fc9ad
SD		 6533 err = nl80211_parse_sta_channel_info(info, &params);
6534 if (err)
6535 return err;
6536
ff276691
JB		 6537 err = nl80211_parse_sta_wme(info, &params);
6538 if (err)
6539 return err;
bdd90d5e 6540
bdd3ae3d 6541 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, &params))
5727ef1b
JB		 6542 return -EINVAL;
6543
496fcc29
JB		 6544 /* HT/VHT requires QoS, but if we don't have that just ignore HT/VHT
6545 * as userspace might just pass through the capabilities from the IEs
6546 * directly, rather than enforcing this restriction and returning an
6547 * error in this case.
6548 */
6549 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) {
6550 params.ht_capa = NULL;
6551 params.vht_capa = NULL;
c4cbaf79
LC		 6552
6553 /* HE requires WME */
43e64bf3 6554 if (params.he_capa_len || params.he_6ghz_capa)
c4cbaf79 6555 return -EINVAL;
496fcc29
JB		 6556 }
6557
43e64bf3
RM		 6558 /* Ensure that HT/VHT capabilities are not set for 6 GHz HE STA */
6559 if (params.he_6ghz_capa && (params.ht_capa || params.vht_capa))
6560 return -EINVAL;
6561
77ee7c89
JB		 6562 /* When you run into this, adjust the code below for the new flag */
6563 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
6564
bdd90d5e
JB		 6565 switch (dev->ieee80211_ptr->iftype) {
6566 case NL80211_IFTYPE_AP:
6567 case NL80211_IFTYPE_AP_VLAN:
6568 case NL80211_IFTYPE_P2P_GO:
984c311b
JB		 6569 /* ignore WME attributes if iface/sta is not capable */
6570 if (!(rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) ||
6571 !(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME)))
6572 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
c75786c9 6573
bdd90d5e 6574 /* TDLS peers cannot be added */
3d124ea2
JM		 6575 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
6576 info->attrs[NL80211_ATTR_PEER_AID])
4319e193 6577 return -EINVAL;
bdd90d5e
JB		 6578 /* but don't bother the driver with it */
6579 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
3b9ce80c 6580
d582cffb
JB		 6581 /* allow authenticated/associated only if driver handles it */
6582 if (!(rdev->wiphy.features &
6583 NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
bda95eb1 6584 params.sta_flags_mask & auth_assoc)
d582cffb
JB		 6585 return -EINVAL;
6586
bda95eb1
JB		 6587 /* Older userspace, or userspace wanting to be compatible with
6588 * !NL80211_FEATURE_FULL_AP_CLIENT_STATE, will not set the auth
6589 * and assoc flags in the mask, but assumes the station will be
6590 * added as associated anyway since this was the required driver
6591 * behaviour before NL80211_FEATURE_FULL_AP_CLIENT_STATE was
6592 * introduced.
6593 * In order to not bother drivers with this quirk in the API
6594 * set the flags in both the mask and set for new stations in
6595 * this case.
6596 */
6597 if (!(params.sta_flags_mask & auth_assoc)) {
6598 params.sta_flags_mask |= auth_assoc;
6599 params.sta_flags_set |= auth_assoc;
6600 }
6601
bdd90d5e
JB		 6602 /* must be last in here for error handling */
6603 params.vlan = get_vlan(info, rdev);
6604 if (IS_ERR(params.vlan))
6605 return PTR_ERR(params.vlan);
6606 break;
6607 case NL80211_IFTYPE_MESH_POINT:
984c311b
JB		 6608 /* ignore uAPSD data */
6609 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
6610
d582cffb
JB		 6611 /* associated is disallowed */
6612 if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED))
6613 return -EINVAL;
bdd90d5e 6614 /* TDLS peers cannot be added */
3d124ea2
JM		 6615 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
6616 info->attrs[NL80211_ATTR_PEER_AID])
bdd90d5e
JB		 6617 return -EINVAL;
6618 break;
6619 case NL80211_IFTYPE_STATION:
93d08f0b 6620 case NL80211_IFTYPE_P2P_CLIENT:
984c311b
JB		 6621 /* ignore uAPSD data */
6622 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
6623
77ee7c89
JB		 6624 /* these are disallowed */
6625 if (params.sta_flags_mask &
6626 (BIT(NL80211_STA_FLAG_ASSOCIATED) |
6627 BIT(NL80211_STA_FLAG_AUTHENTICATED)))
d582cffb 6628 return -EINVAL;
bdd90d5e
JB		 6629 /* Only TDLS peers can be added */
6630 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
6631 return -EINVAL;
6632 /* Can only add if TDLS ... */
6633 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS))
6634 return -EOPNOTSUPP;
6635 /* ... with external setup is supported */
6636 if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
6637 return -EOPNOTSUPP;
77ee7c89
JB		 6638 /*
6639 * Older wpa_supplicant versions always mark the TDLS peer
6640 * as authorized, but it shouldn't yet be.
6641 */
6642 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_AUTHORIZED);
bdd90d5e
JB		 6643 break;
6644 default:
6645 return -EOPNOTSUPP;
c75786c9
EP		 6646 }
6647
bdd90d5e 6648 /* be aware of params.vlan when changing code here */
5727ef1b 6649
e35e4d28 6650 err = rdev_add_station(rdev, dev, mac_addr, &params);
5727ef1b 6651
5727ef1b
JB		 6652 if (params.vlan)
6653 dev_put(params.vlan);
5727ef1b
JB		 6654 return err;
6655}
6656
6657static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info)
6658{
4c476991
JB		 6659 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6660 struct net_device *dev = info->user_ptr[1];
89c771e5
JM		 6661 struct station_del_parameters params;
6662
6663 memset(&params, 0, sizeof(params));
5727ef1b
JB		 6664
6665 if (info->attrs[NL80211_ATTR_MAC])
89c771e5 6666 params.mac = nla_data(info->attrs[NL80211_ATTR_MAC]);
5727ef1b 6667
306b79ea
JB		 6668 switch (dev->ieee80211_ptr->iftype) {
6669 case NL80211_IFTYPE_AP:
6670 case NL80211_IFTYPE_AP_VLAN:
6671 case NL80211_IFTYPE_MESH_POINT:
6672 case NL80211_IFTYPE_P2P_GO:
6673 /* always accept these */
6674 break;
6675 case NL80211_IFTYPE_ADHOC:
6676 /* conditionally accept */
6677 if (wiphy_ext_feature_isset(&rdev->wiphy,
6678 NL80211_EXT_FEATURE_DEL_IBSS_STA))
6679 break;
edafcf42 6680 return -EINVAL;
306b79ea 6681 default:
4c476991 6682 return -EINVAL;
306b79ea 6683 }
5727ef1b 6684
4c476991
JB		 6685 if (!rdev->ops->del_station)
6686 return -EOPNOTSUPP;
3b85875a 6687
98856866
JM		 6688 if (info->attrs[NL80211_ATTR_MGMT_SUBTYPE]) {
6689 params.subtype =
6690 nla_get_u8(info->attrs[NL80211_ATTR_MGMT_SUBTYPE]);
6691 if (params.subtype != IEEE80211_STYPE_DISASSOC >> 4 &&
6692 params.subtype != IEEE80211_STYPE_DEAUTH >> 4)
6693 return -EINVAL;
6694 } else {
6695 /* Default to Deauthentication frame */
6696 params.subtype = IEEE80211_STYPE_DEAUTH >> 4;
6697 }
6698
6699 if (info->attrs[NL80211_ATTR_REASON_CODE]) {
6700 params.reason_code =
6701 nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
6702 if (params.reason_code == 0)
6703 return -EINVAL; /* 0 is reserved */
6704 } else {
6705 /* Default to reason code 2 */
6706 params.reason_code = WLAN_REASON_PREV_AUTH_NOT_VALID;
6707 }
6708
89c771e5 6709 return rdev_del_station(rdev, dev, &params);
5727ef1b
JB		 6710}
6711
15e47304 6712static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq,
2ec600d6
LCC		 6713 int flags, struct net_device *dev,
6714 u8 *dst, u8 *next_hop,
6715 struct mpath_info *pinfo)
6716{
6717 void *hdr;
6718 struct nlattr *pinfoattr;
6719
1ef4c850 6720 hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_MPATH);
2ec600d6
LCC		 6721 if (!hdr)
6722 return -1;
6723
9360ffd1
DM		 6724 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
6725 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
6726 nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) ||
6727 nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation))
6728 goto nla_put_failure;
f5ea9120 6729
ae0be8de 6730 pinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_MPATH_INFO);
2ec600d6
LCC		 6731 if (!pinfoattr)
6732 goto nla_put_failure;
9360ffd1
DM		 6733 if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) &&
6734 nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN,
6735 pinfo->frame_qlen))
6736 goto nla_put_failure;
6737 if (((pinfo->filled & MPATH_INFO_SN) &&
6738 nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) ||
6739 ((pinfo->filled & MPATH_INFO_METRIC) &&
6740 nla_put_u32(msg, NL80211_MPATH_INFO_METRIC,
6741 pinfo->metric)) ||
6742 ((pinfo->filled & MPATH_INFO_EXPTIME) &&
6743 nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME,
6744 pinfo->exptime)) ||
6745 ((pinfo->filled & MPATH_INFO_FLAGS) &&
6746 nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS,
6747 pinfo->flags)) ||
6748 ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) &&
6749 nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT,
6750 pinfo->discovery_timeout)) ||
6751 ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) &&
6752 nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES,
cc241636
JH		 6753 pinfo->discovery_retries)) ||
6754 ((pinfo->filled & MPATH_INFO_HOP_COUNT) &&
6755 nla_put_u8(msg, NL80211_MPATH_INFO_HOP_COUNT,
540bbcb9
JH		 6756 pinfo->hop_count)) ||
6757 ((pinfo->filled & MPATH_INFO_PATH_CHANGE) &&
6758 nla_put_u32(msg, NL80211_MPATH_INFO_PATH_CHANGE,
6759 pinfo->path_change_count)))
9360ffd1 6760 goto nla_put_failure;
2ec600d6
LCC		 6761
6762 nla_nest_end(msg, pinfoattr);
6763
053c095a
JB		 6764 genlmsg_end(msg, hdr);
6765 return 0;
2ec600d6
LCC		 6766
6767 nla_put_failure:
bc3ed28c
TG		 6768 genlmsg_cancel(msg, hdr);
6769 return -EMSGSIZE;
2ec600d6
LCC		 6770}
6771
6772static int nl80211_dump_mpath(struct sk_buff *skb,
bba95fef 6773 struct netlink_callback *cb)
2ec600d6 6774{
2ec600d6 6775 struct mpath_info pinfo;
1b8ec87a 6776 struct cfg80211_registered_device *rdev;
97990a06 6777 struct wireless_dev *wdev;
2ec600d6
LCC		 6778 u8 dst[ETH_ALEN];
6779 u8 next_hop[ETH_ALEN];
97990a06 6780 int path_idx = cb->args[2];
2ec600d6 6781 int err;
2ec600d6 6782
ea90e0dc 6783 rtnl_lock();
5297c65c 6784 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
67748893 6785 if (err)
ea90e0dc 6786 goto out_err;
bba95fef 6787
1b8ec87a 6788 if (!rdev->ops->dump_mpath) {
eec60b03 6789 err = -EOPNOTSUPP;
bba95fef
JB		 6790 goto out_err;
6791 }
6792
97990a06 6793 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
eec60b03 6794 err = -EOPNOTSUPP;
0448b5fc 6795 goto out_err;
eec60b03
JM		 6796 }
6797
bba95fef 6798 while (1) {
1b8ec87a 6799 err = rdev_dump_mpath(rdev, wdev->netdev, path_idx, dst,
97990a06 6800 next_hop, &pinfo);
bba95fef 6801 if (err == -ENOENT)
2ec600d6 6802 break;
bba95fef 6803 if (err)
3b85875a 6804 goto out_err;
2ec600d6 6805
15e47304 6806 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
bba95fef 6807 cb->nlh->nlmsg_seq, NLM_F_MULTI,
97990a06 6808 wdev->netdev, dst, next_hop,
bba95fef
JB		 6809 &pinfo) < 0)
6810 goto out;
2ec600d6 6811
bba95fef 6812 path_idx++;
2ec600d6 6813 }
2ec600d6 6814
bba95fef 6815 out:
97990a06 6816 cb->args[2] = path_idx;
bba95fef 6817 err = skb->len;
bba95fef 6818 out_err:
ea90e0dc 6819 rtnl_unlock();
bba95fef 6820 return err;
2ec600d6
LCC		 6821}
6822
6823static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info)
6824{
4c476991 6825 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2ec600d6 6826 int err;
4c476991 6827 struct net_device *dev = info->user_ptr[1];
2ec600d6
LCC		 6828 struct mpath_info pinfo;
6829 struct sk_buff *msg;
6830 u8 *dst = NULL;
6831 u8 next_hop[ETH_ALEN];
6832
6833 memset(&pinfo, 0, sizeof(pinfo));
6834
6835 if (!info->attrs[NL80211_ATTR_MAC])
6836 return -EINVAL;
6837
6838 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6839
4c476991
JB		 6840 if (!rdev->ops->get_mpath)
6841 return -EOPNOTSUPP;
2ec600d6 6842
4c476991
JB		 6843 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6844 return -EOPNOTSUPP;
eec60b03 6845
e35e4d28 6846 err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo);
2ec600d6 6847 if (err)
4c476991 6848 return err;
2ec600d6 6849
fd2120ca 6850 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
2ec600d6 6851 if (!msg)
4c476991 6852 return -ENOMEM;
2ec600d6 6853
15e47304 6854 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
4c476991
JB		 6855 dev, dst, next_hop, &pinfo) < 0) {
6856 nlmsg_free(msg);
6857 return -ENOBUFS;
6858 }
3b85875a 6859
4c476991 6860 return genlmsg_reply(msg, info);
2ec600d6
LCC		 6861}
6862
6863static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info)
6864{
4c476991
JB		 6865 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6866 struct net_device *dev = info->user_ptr[1];
2ec600d6
LCC		 6867 u8 *dst = NULL;
6868 u8 *next_hop = NULL;
6869
6870 if (!info->attrs[NL80211_ATTR_MAC])
6871 return -EINVAL;
6872
6873 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
6874 return -EINVAL;
6875
6876 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6877 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
6878
4c476991
JB		 6879 if (!rdev->ops->change_mpath)
6880 return -EOPNOTSUPP;
35a8efe1 6881
4c476991
JB		 6882 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6883 return -EOPNOTSUPP;
2ec600d6 6884
e35e4d28 6885 return rdev_change_mpath(rdev, dev, dst, next_hop);
2ec600d6 6886}
4c476991 6887
2ec600d6
LCC		 6888static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info)
6889{
4c476991
JB		 6890 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6891 struct net_device *dev = info->user_ptr[1];
2ec600d6
LCC		 6892 u8 *dst = NULL;
6893 u8 *next_hop = NULL;
6894
6895 if (!info->attrs[NL80211_ATTR_MAC])
6896 return -EINVAL;
6897
6898 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
6899 return -EINVAL;
6900
6901 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6902 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
6903
4c476991
JB		 6904 if (!rdev->ops->add_mpath)
6905 return -EOPNOTSUPP;
35a8efe1 6906
4c476991
JB		 6907 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6908 return -EOPNOTSUPP;
2ec600d6 6909
e35e4d28 6910 return rdev_add_mpath(rdev, dev, dst, next_hop);
2ec600d6
LCC		 6911}
6912
6913static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info)
6914{
4c476991
JB		 6915 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6916 struct net_device *dev = info->user_ptr[1];
2ec600d6
LCC		 6917 u8 *dst = NULL;
6918
6919 if (info->attrs[NL80211_ATTR_MAC])
6920 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6921
4c476991
JB		 6922 if (!rdev->ops->del_mpath)
6923 return -EOPNOTSUPP;
3b85875a 6924
b501426c
MP		 6925 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6926 return -EOPNOTSUPP;
6927
e35e4d28 6928 return rdev_del_mpath(rdev, dev, dst);
2ec600d6
LCC		 6929}
6930
66be7d2b
HR		 6931static int nl80211_get_mpp(struct sk_buff *skb, struct genl_info *info)
6932{
6933 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6934 int err;
6935 struct net_device *dev = info->user_ptr[1];
6936 struct mpath_info pinfo;
6937 struct sk_buff *msg;
6938 u8 *dst = NULL;
6939 u8 mpp[ETH_ALEN];
6940
6941 memset(&pinfo, 0, sizeof(pinfo));
6942
6943 if (!info->attrs[NL80211_ATTR_MAC])
6944 return -EINVAL;
6945
6946 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
6947
6948 if (!rdev->ops->get_mpp)
6949 return -EOPNOTSUPP;
6950
6951 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6952 return -EOPNOTSUPP;
6953
6954 err = rdev_get_mpp(rdev, dev, dst, mpp, &pinfo);
6955 if (err)
6956 return err;
6957
6958 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6959 if (!msg)
6960 return -ENOMEM;
6961
6962 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
6963 dev, dst, mpp, &pinfo) < 0) {
6964 nlmsg_free(msg);
6965 return -ENOBUFS;
6966 }
6967
6968 return genlmsg_reply(msg, info);
6969}
6970
6971static int nl80211_dump_mpp(struct sk_buff *skb,
6972 struct netlink_callback *cb)
6973{
6974 struct mpath_info pinfo;
6975 struct cfg80211_registered_device *rdev;
6976 struct wireless_dev *wdev;
6977 u8 dst[ETH_ALEN];
6978 u8 mpp[ETH_ALEN];
6979 int path_idx = cb->args[2];
6980 int err;
6981
ea90e0dc 6982 rtnl_lock();
5297c65c 6983 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
66be7d2b 6984 if (err)
ea90e0dc 6985 goto out_err;
66be7d2b
HR		 6986
6987 if (!rdev->ops->dump_mpp) {
6988 err = -EOPNOTSUPP;
6989 goto out_err;
6990 }
6991
6992 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
6993 err = -EOPNOTSUPP;
6994 goto out_err;
6995 }
6996
6997 while (1) {
6998 err = rdev_dump_mpp(rdev, wdev->netdev, path_idx, dst,
6999 mpp, &pinfo);
7000 if (err == -ENOENT)
7001 break;
7002 if (err)
7003 goto out_err;
7004
7005 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
7006 cb->nlh->nlmsg_seq, NLM_F_MULTI,
7007 wdev->netdev, dst, mpp,
7008 &pinfo) < 0)
7009 goto out;
7010
7011 path_idx++;
7012 }
7013
7014 out:
7015 cb->args[2] = path_idx;
7016 err = skb->len;
7017 out_err:
ea90e0dc 7018 rtnl_unlock();
66be7d2b
HR		 7019 return err;
7020}
7021
9f1ba906
JM		 7022static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
7023{
4c476991
JB		 7024 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7025 struct net_device *dev = info->user_ptr[1];
c56589ed 7026 struct wireless_dev *wdev = dev->ieee80211_ptr;
9f1ba906 7027 struct bss_parameters params;
c56589ed 7028 int err;
9f1ba906
JM		 7029
7030 memset(&params, 0, sizeof(params));
7031 /* default to not changing parameters */
7032 params.use_cts_prot = -1;
7033 params.use_short_preamble = -1;
7034 params.use_short_slot_time = -1;
fd8aaaf3 7035 params.ap_isolate = -1;
50b12f59 7036 params.ht_opmode = -1;
53cabad7
JB		 7037 params.p2p_ctwindow = -1;
7038 params.p2p_opp_ps = -1;
9f1ba906
JM		 7039
7040 if (info->attrs[NL80211_ATTR_BSS_CTS_PROT])
7041 params.use_cts_prot =
7042 nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]);
7043 if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE])
7044 params.use_short_preamble =
7045 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]);
7046 if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME])
7047 params.use_short_slot_time =
7048 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]);
90c97a04
JM		 7049 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
7050 params.basic_rates =
7051 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
7052 params.basic_rates_len =
7053 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
7054 }
fd8aaaf3
FF		 7055 if (info->attrs[NL80211_ATTR_AP_ISOLATE])
7056 params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]);
50b12f59
HS		 7057 if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE])
7058 params.ht_opmode =
7059 nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]);
9f1ba906 7060
53cabad7
JB		 7061 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
7062 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
7063 return -EINVAL;
7064 params.p2p_ctwindow =
ab0d76f6 7065 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
53cabad7
JB		 7066 if (params.p2p_ctwindow != 0 &&
7067 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
7068 return -EINVAL;
7069 }
7070
7071 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
7072 u8 tmp;
7073
7074 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
7075 return -EINVAL;
7076 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
53cabad7
JB		 7077 params.p2p_opp_ps = tmp;
7078 if (params.p2p_opp_ps &&
7079 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
7080 return -EINVAL;
7081 }
7082
4c476991
JB		 7083 if (!rdev->ops->change_bss)
7084 return -EOPNOTSUPP;
9f1ba906 7085
074ac8df 7086 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4c476991
JB		 7087 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
7088 return -EOPNOTSUPP;
3b85875a 7089
c56589ed
SW		 7090 wdev_lock(wdev);
7091 err = rdev_change_bss(rdev, dev, &params);
7092 wdev_unlock(wdev);
7093
7094 return err;
9f1ba906
JM		 7095}
7096
b2e1b302
LR		 7097static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
7098{
b2e1b302 7099 char *data = NULL;
05050753 7100 bool is_indoor;
57b5ce07 7101 enum nl80211_user_reg_hint_type user_reg_hint_type;
05050753
I		 7102 u32 owner_nlportid;
7103
80778f18
LR		 7104 /*
7105 * You should only get this when cfg80211 hasn't yet initialized
7106 * completely when built-in to the kernel right between the time
7107 * window between nl80211_init() and regulatory_init(), if that is
7108 * even possible.
7109 */
458f4f9e 7110 if (unlikely(!rcu_access_pointer(cfg80211_regdomain)))
fe33eb39 7111 return -EINPROGRESS;
80778f18 7112
57b5ce07
LR		 7113 if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE])
7114 user_reg_hint_type =
7115 nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]);
7116 else
7117 user_reg_hint_type = NL80211_USER_REG_HINT_USER;
7118
7119 switch (user_reg_hint_type) {
7120 case NL80211_USER_REG_HINT_USER:
7121 case NL80211_USER_REG_HINT_CELL_BASE:
52616f2b
IP		 7122 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
7123 return -EINVAL;
7124
7125 data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
7126 return regulatory_hint_user(data, user_reg_hint_type);
7127 case NL80211_USER_REG_HINT_INDOOR:
05050753
I		 7128 if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
7129 owner_nlportid = info->snd_portid;
7130 is_indoor = !!info->attrs[NL80211_ATTR_REG_INDOOR];
7131 } else {
7132 owner_nlportid = 0;
7133 is_indoor = true;
7134 }
7135
7136 return regulatory_hint_indoor(is_indoor, owner_nlportid);
57b5ce07
LR		 7137 default:
7138 return -EINVAL;
7139 }
b2e1b302
LR		 7140}
7141
1ea4ff3e
JB		 7142static int nl80211_reload_regdb(struct sk_buff *skb, struct genl_info *info)
7143{
7144 return reg_reload_regdb();
7145}
7146
24bdd9f4 7147static int nl80211_get_mesh_config(struct sk_buff *skb,
29cbe68c 7148 struct genl_info *info)
93da9cc1 7149{
4c476991 7150 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4c476991 7151 struct net_device *dev = info->user_ptr[1];
29cbe68c
JB		 7152 struct wireless_dev *wdev = dev->ieee80211_ptr;
7153 struct mesh_config cur_params;
7154 int err = 0;
93da9cc1 7155 void *hdr;
7156 struct nlattr *pinfoattr;
7157 struct sk_buff *msg;
7158
29cbe68c
JB		 7159 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
7160 return -EOPNOTSUPP;
7161
24bdd9f4 7162 if (!rdev->ops->get_mesh_config)
4c476991 7163 return -EOPNOTSUPP;
f3f92586 7164
29cbe68c
JB		 7165 wdev_lock(wdev);
7166 /* If not connected, get default parameters */
7167 if (!wdev->mesh_id_len)
7168 memcpy(&cur_params, &default_mesh_config, sizeof(cur_params));
7169 else
e35e4d28 7170 err = rdev_get_mesh_config(rdev, dev, &cur_params);
29cbe68c
JB		 7171 wdev_unlock(wdev);
7172
93da9cc1 7173 if (err)
4c476991 7174 return err;
93da9cc1 7175
7176 /* Draw up a netlink message to send back */
fd2120ca 7177 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4c476991
JB		 7178 if (!msg)
7179 return -ENOMEM;
15e47304 7180 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
24bdd9f4 7181 NL80211_CMD_GET_MESH_CONFIG);
93da9cc1 7182 if (!hdr)
efe1cf0c 7183 goto out;
ae0be8de 7184 pinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_MESH_CONFIG);
93da9cc1 7185 if (!pinfoattr)
7186 goto nla_put_failure;
9360ffd1
DM		 7187 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
7188 nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT,
7189 cur_params.dot11MeshRetryTimeout) ||
7190 nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT,
7191 cur_params.dot11MeshConfirmTimeout) ||
7192 nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT,
7193 cur_params.dot11MeshHoldingTimeout) ||
7194 nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
7195 cur_params.dot11MeshMaxPeerLinks) ||
7196 nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES,
7197 cur_params.dot11MeshMaxRetries) ||
7198 nla_put_u8(msg, NL80211_MESHCONF_TTL,
7199 cur_params.dot11MeshTTL) ||
7200 nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL,
7201 cur_params.element_ttl) ||
7202 nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
7203 cur_params.auto_open_plinks) ||
7eab0f64
JL		 7204 nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
7205 cur_params.dot11MeshNbrOffsetMaxNeighbor) ||
9360ffd1
DM		 7206 nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
7207 cur_params.dot11MeshHWMPmaxPREQretries) ||
7208 nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME,
7209 cur_params.path_refresh_time) ||
7210 nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
7211 cur_params.min_discovery_timeout) ||
7212 nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
7213 cur_params.dot11MeshHWMPactivePathTimeout) ||
7214 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
7215 cur_params.dot11MeshHWMPpreqMinInterval) ||
7216 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
7217 cur_params.dot11MeshHWMPperrMinInterval) ||
7218 nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
7219 cur_params.dot11MeshHWMPnetDiameterTraversalTime) ||
7220 nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE,
7221 cur_params.dot11MeshHWMPRootMode) ||
7222 nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL,
7223 cur_params.dot11MeshHWMPRannInterval) ||
7224 nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
7225 cur_params.dot11MeshGateAnnouncementProtocol) ||
7226 nla_put_u8(msg, NL80211_MESHCONF_FORWARDING,
7227 cur_params.dot11MeshForwarding) ||
335d5349 7228 nla_put_s32(msg, NL80211_MESHCONF_RSSI_THRESHOLD,
70c33eaa
AN		 7229 cur_params.rssi_threshold) ||
7230 nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE,
ac1073a6
CYY		 7231 cur_params.ht_opmode) ||
7232 nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
7233 cur_params.dot11MeshHWMPactivePathToRootTimeout) ||
7234 nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
728b19e5
CYY		 7235 cur_params.dot11MeshHWMProotInterval) ||
7236 nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
3b1c5a53
MP		 7237 cur_params.dot11MeshHWMPconfirmationInterval) ||
7238 nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE,
7239 cur_params.power_mode) ||
7240 nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW,
8e7c0538
CT		 7241 cur_params.dot11MeshAwakeWindowDuration) ||
7242 nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT,
01d66fbd
BC		 7243 cur_params.plink_timeout) ||
7244 nla_put_u8(msg, NL80211_MESHCONF_CONNECTED_TO_GATE,
e3718a61
LL		 7245 cur_params.dot11MeshConnectedToMeshGate) ||
7246 nla_put_u8(msg, NL80211_MESHCONF_NOLEARN,
184eebe6
MT		 7247 cur_params.dot11MeshNolearn) ||
7248 nla_put_u8(msg, NL80211_MESHCONF_CONNECTED_TO_AS,
7249 cur_params.dot11MeshConnectedToAuthServer))
9360ffd1 7250 goto nla_put_failure;
93da9cc1 7251 nla_nest_end(msg, pinfoattr);
7252 genlmsg_end(msg, hdr);
4c476991 7253 return genlmsg_reply(msg, info);
93da9cc1 7254
3b85875a 7255 nla_put_failure:
efe1cf0c 7256 out:
d080e275 7257 nlmsg_free(msg);
4c476991 7258 return -ENOBUFS;
93da9cc1 7259}
7260
ab0d76f6
JB		 7261static const struct nla_policy
7262nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = {
7263 [NL80211_MESHCONF_RETRY_TIMEOUT] =
7264 NLA_POLICY_RANGE(NLA_U16, 1, 255),
7265 [NL80211_MESHCONF_CONFIRM_TIMEOUT] =
7266 NLA_POLICY_RANGE(NLA_U16, 1, 255),
7267 [NL80211_MESHCONF_HOLDING_TIMEOUT] =
7268 NLA_POLICY_RANGE(NLA_U16, 1, 255),
7269 [NL80211_MESHCONF_MAX_PEER_LINKS] =
7270 NLA_POLICY_RANGE(NLA_U16, 0, 255),
7271 [NL80211_MESHCONF_MAX_RETRIES] = NLA_POLICY_MAX(NLA_U8, 16),
7272 [NL80211_MESHCONF_TTL] = NLA_POLICY_MIN(NLA_U8, 1),
7273 [NL80211_MESHCONF_ELEMENT_TTL] = NLA_POLICY_MIN(NLA_U8, 1),
7274 [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = NLA_POLICY_MAX(NLA_U8, 1),
7275 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] =
7276 NLA_POLICY_RANGE(NLA_U32, 1, 255),
93da9cc1 7277 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 },
7278 [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 },
ab0d76f6 7279 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = NLA_POLICY_MIN(NLA_U16, 1),
93da9cc1 7280 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 },
ab0d76f6
JB		 7281 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] =
7282 NLA_POLICY_MIN(NLA_U16, 1),
7283 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] =
7284 NLA_POLICY_MIN(NLA_U16, 1),
7285 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] =
7286 NLA_POLICY_MIN(NLA_U16, 1),
7287 [NL80211_MESHCONF_HWMP_ROOTMODE] = NLA_POLICY_MAX(NLA_U8, 4),
7288 [NL80211_MESHCONF_HWMP_RANN_INTERVAL] =
7289 NLA_POLICY_MIN(NLA_U16, 1),
7290 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = NLA_POLICY_MAX(NLA_U8, 1),
7291 [NL80211_MESHCONF_FORWARDING] = NLA_POLICY_MAX(NLA_U8, 1),
7292 [NL80211_MESHCONF_RSSI_THRESHOLD] =
7293 NLA_POLICY_RANGE(NLA_S32, -255, 0),
a4f606ea 7294 [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 },
ac1073a6 7295 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 },
ab0d76f6
JB		 7296 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] =
7297 NLA_POLICY_MIN(NLA_U16, 1),
7298 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] =
7299 NLA_POLICY_MIN(NLA_U16, 1),
7300 [NL80211_MESHCONF_POWER_MODE] =
7301 NLA_POLICY_RANGE(NLA_U32,
7302 NL80211_MESH_POWER_ACTIVE,
7303 NL80211_MESH_POWER_MAX),
3b1c5a53 7304 [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 },
8e7c0538 7305 [NL80211_MESHCONF_PLINK_TIMEOUT] = { .type = NLA_U32 },
01d66fbd 7306 [NL80211_MESHCONF_CONNECTED_TO_GATE] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
e3718a61 7307 [NL80211_MESHCONF_NOLEARN] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
184eebe6 7308 [NL80211_MESHCONF_CONNECTED_TO_AS] = NLA_POLICY_RANGE(NLA_U8, 0, 1),
93da9cc1 7309};
7310
c80d545d
JC		 7311static const struct nla_policy
7312 nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = {
d299a1f2 7313 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 },
c80d545d
JC		 7314 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 },
7315 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 },
15d5dda6 7316 [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG },
6e16d90b 7317 [NL80211_MESH_SETUP_AUTH_PROTOCOL] = { .type = NLA_U8 },
bb2798d4 7318 [NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG },
3d7af878
JB		 7319 [NL80211_MESH_SETUP_IE] =
7320 NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr,
7321 IEEE80211_MAX_DATA_LEN),
b130e5ce 7322 [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG },
c80d545d
JC		 7323};
7324
24bdd9f4 7325static int nl80211_parse_mesh_config(struct genl_info *info,
bd90fdcc
JB		 7326 struct mesh_config *cfg,
7327 u32 *mask_out)
93da9cc1 7328{
93da9cc1 7329 struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1];
bd90fdcc 7330 u32 mask = 0;
9757235f 7331 u16 ht_opmode;
93da9cc1 7332
ab0d76f6
JB		 7333#define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, mask, attr, fn) \
7334do { \
7335 if (tb[attr]) { \
7336 cfg->param = fn(tb[attr]); \
7337 mask |= BIT((attr) - 1); \
7338 } \
ea54fba2 7339} while (0)
bd90fdcc 7340
24bdd9f4 7341 if (!info->attrs[NL80211_ATTR_MESH_CONFIG])
93da9cc1 7342 return -EINVAL;
8cb08174 7343 if (nla_parse_nested_deprecated(tb, NL80211_MESHCONF_ATTR_MAX, info->attrs[NL80211_ATTR_MESH_CONFIG], nl80211_meshconf_params_policy, info->extack))
93da9cc1 7344 return -EINVAL;
7345
93da9cc1 7346 /* This makes sure that there aren't more than 32 mesh config
7347 * parameters (otherwise our bitfield scheme would not work.) */
7348 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32);
7349
7350 /* Fill in the params struct */
ab0d76f6
JB		 7351 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, mask,
7352 NL80211_MESHCONF_RETRY_TIMEOUT, nla_get_u16);
7353 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, mask,
7354 NL80211_MESHCONF_CONFIRM_TIMEOUT,
7355 nla_get_u16);
7356 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, mask,
7357 NL80211_MESHCONF_HOLDING_TIMEOUT,
7358 nla_get_u16);
7359 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, mask,
7360 NL80211_MESHCONF_MAX_PEER_LINKS,
7361 nla_get_u16);
7362 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, mask,
7363 NL80211_MESHCONF_MAX_RETRIES, nla_get_u8);
7364 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, mask,
7365 NL80211_MESHCONF_TTL, nla_get_u8);
7366 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, mask,
7367 NL80211_MESHCONF_ELEMENT_TTL, nla_get_u8);
7368 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, mask,
7369 NL80211_MESHCONF_AUTO_OPEN_PLINKS,
7370 nla_get_u8);
ea54fba2 7371 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor,
ab0d76f6 7372 mask,
a4f606ea 7373 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
ab0d76f6
JB		 7374 nla_get_u32);
7375 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, mask,
7376 NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
7377 nla_get_u8);
7378 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, mask,
7379 NL80211_MESHCONF_PATH_REFRESH_TIME,
7380 nla_get_u32);
7381 if (mask & BIT(NL80211_MESHCONF_PATH_REFRESH_TIME) &&
7382 (cfg->path_refresh_time < 1 || cfg->path_refresh_time > 65535))
7383 return -EINVAL;
7384 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, mask,
7385 NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
7386 nla_get_u16);
ea54fba2 7387 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout,
ab0d76f6 7388 mask,
a4f606ea 7389 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
ab0d76f6
JB		 7390 nla_get_u32);
7391 if (mask & BIT(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT) &&
7392 (cfg->dot11MeshHWMPactivePathTimeout < 1 ||
7393 cfg->dot11MeshHWMPactivePathTimeout > 65535))
7394 return -EINVAL;
7395 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, mask,
ea54fba2 7396 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
ab0d76f6
JB		 7397 nla_get_u16);
7398 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval, mask,
ea54fba2 7399 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
ab0d76f6 7400 nla_get_u16);
93da9cc1 7401 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
ab0d76f6 7402 dot11MeshHWMPnetDiameterTraversalTime, mask,
a4f606ea 7403 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
ab0d76f6
JB		 7404 nla_get_u16);
7405 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, mask,
7406 NL80211_MESHCONF_HWMP_ROOTMODE, nla_get_u8);
7407 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, mask,
7408 NL80211_MESHCONF_HWMP_RANN_INTERVAL,
7409 nla_get_u16);
7410 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshGateAnnouncementProtocol,
ea54fba2 7411 mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
ab0d76f6
JB		 7412 nla_get_u8);
7413 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, mask,
7414 NL80211_MESHCONF_FORWARDING, nla_get_u8);
7415 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, mask,
7416 NL80211_MESHCONF_RSSI_THRESHOLD,
7417 nla_get_s32);
01d66fbd
BC		 7418 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConnectedToMeshGate, mask,
7419 NL80211_MESHCONF_CONNECTED_TO_GATE,
7420 nla_get_u8);
184eebe6
MT		 7421 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConnectedToAuthServer, mask,
7422 NL80211_MESHCONF_CONNECTED_TO_AS,
7423 nla_get_u8);
9757235f
MH		 7424 /*
7425 * Check HT operation mode based on
188f60ab 7426 * IEEE 802.11-2016 9.4.2.57 HT Operation element.
9757235f
MH		 7427 */
7428 if (tb[NL80211_MESHCONF_HT_OPMODE]) {
7429 ht_opmode = nla_get_u16(tb[NL80211_MESHCONF_HT_OPMODE]);
7430
7431 if (ht_opmode & ~(IEEE80211_HT_OP_MODE_PROTECTION |
7432 IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT |
7433 IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT))
7434 return -EINVAL;
7435
188f60ab
BC		 7436 /* NON_HT_STA bit is reserved, but some programs set it */
7437 ht_opmode &= ~IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT;
9757235f 7438
9757235f 7439 cfg->ht_opmode = ht_opmode;
fd551bac 7440 mask |= (1 << (NL80211_MESHCONF_HT_OPMODE - 1));
9757235f 7441 }
728b19e5 7442 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
ab0d76f6
JB		 7443 dot11MeshHWMPactivePathToRootTimeout, mask,
7444 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
7445 nla_get_u32);
7446 if (mask & BIT(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT) &&
7447 (cfg->dot11MeshHWMPactivePathToRootTimeout < 1 ||
7448 cfg->dot11MeshHWMPactivePathToRootTimeout > 65535))
7449 return -EINVAL;
7450 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, mask,
7451 NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
7452 nla_get_u16);
7453 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPconfirmationInterval,
7454 mask,
728b19e5 7455 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
ab0d76f6
JB		 7456 nla_get_u16);
7457 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode, mask,
7458 NL80211_MESHCONF_POWER_MODE, nla_get_u32);
7459 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration, mask,
7460 NL80211_MESHCONF_AWAKE_WINDOW, nla_get_u16);
7461 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, plink_timeout, mask,
7462 NL80211_MESHCONF_PLINK_TIMEOUT, nla_get_u32);
e3718a61
LL		 7463 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNolearn, mask,
7464 NL80211_MESHCONF_NOLEARN, nla_get_u8);
bd90fdcc
JB		 7465 if (mask_out)
7466 *mask_out = mask;
c80d545d 7467
bd90fdcc
JB		 7468 return 0;
7469
7470#undef FILL_IN_MESH_PARAM_IF_SET
7471}
7472
c80d545d
JC		 7473static int nl80211_parse_mesh_setup(struct genl_info *info,
7474 struct mesh_setup *setup)
7475{
bb2798d4 7476 struct cfg80211_registered_device *rdev = info->user_ptr[0];
c80d545d
JC		 7477 struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1];
7478
7479 if (!info->attrs[NL80211_ATTR_MESH_SETUP])
7480 return -EINVAL;
8cb08174 7481 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		 7482 return -EINVAL;
7483
d299a1f2
JC		 7484 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])
7485 setup->sync_method =
7486 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ?
7487 IEEE80211_SYNC_METHOD_VENDOR :
7488 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET;
7489
c80d545d
JC		 7490 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])
7491 setup->path_sel_proto =
7492 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ?
7493 IEEE80211_PATH_PROTOCOL_VENDOR :
7494 IEEE80211_PATH_PROTOCOL_HWMP;
7495
7496 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])
7497 setup->path_metric =
7498 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ?
7499 IEEE80211_PATH_METRIC_VENDOR :
7500 IEEE80211_PATH_METRIC_AIRTIME;
7501
581a8b0f 7502 if (tb[NL80211_MESH_SETUP_IE]) {
c80d545d 7503 struct nlattr *ieattr =
581a8b0f 7504 tb[NL80211_MESH_SETUP_IE];
581a8b0f
JC		 7505 setup->ie = nla_data(ieattr);
7506 setup->ie_len = nla_len(ieattr);
c80d545d 7507 }
bb2798d4
TP		 7508 if (tb[NL80211_MESH_SETUP_USERSPACE_MPM] &&
7509 !(rdev->wiphy.features & NL80211_FEATURE_USERSPACE_MPM))
7510 return -EINVAL;
7511 setup->user_mpm = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_MPM]);
b130e5ce
JC		 7512 setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]);
7513 setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]);
bb2798d4
TP		 7514 if (setup->is_secure)
7515 setup->user_mpm = true;
c80d545d 7516
6e16d90b
CT		 7517 if (tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]) {
7518 if (!setup->user_mpm)
7519 return -EINVAL;
7520 setup->auth_id =
7521 nla_get_u8(tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]);
7522 }
7523
c80d545d
JC		 7524 return 0;
7525}
7526
24bdd9f4 7527static int nl80211_update_mesh_config(struct sk_buff *skb,
29cbe68c 7528 struct genl_info *info)
bd90fdcc
JB		 7529{
7530 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7531 struct net_device *dev = info->user_ptr[1];
29cbe68c 7532 struct wireless_dev *wdev = dev->ieee80211_ptr;
bd90fdcc
JB		 7533 struct mesh_config cfg;
7534 u32 mask;
7535 int err;
7536
29cbe68c
JB		 7537 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
7538 return -EOPNOTSUPP;
7539
24bdd9f4 7540 if (!rdev->ops->update_mesh_config)
bd90fdcc
JB		 7541 return -EOPNOTSUPP;
7542
24bdd9f4 7543 err = nl80211_parse_mesh_config(info, &cfg, &mask);
bd90fdcc
JB		 7544 if (err)
7545 return err;
7546
29cbe68c
JB		 7547 wdev_lock(wdev);
7548 if (!wdev->mesh_id_len)
7549 err = -ENOLINK;
7550
7551 if (!err)
e35e4d28 7552 err = rdev_update_mesh_config(rdev, dev, mask, &cfg);
29cbe68c
JB		 7553
7554 wdev_unlock(wdev);
7555
7556 return err;
93da9cc1 7557}
7558
ad30ca2c
AN		 7559static int nl80211_put_regdom(const struct ieee80211_regdomain *regdom,
7560 struct sk_buff *msg)
f130347c 7561{
f130347c
LR		 7562 struct nlattr *nl_reg_rules;
7563 unsigned int i;
f130347c 7564
458f4f9e
JB		 7565 if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, regdom->alpha2) ||
7566 (regdom->dfs_region &&
7567 nla_put_u8(msg, NL80211_ATTR_DFS_REGION, regdom->dfs_region)))
ad30ca2c 7568 goto nla_put_failure;
458f4f9e 7569
ae0be8de 7570 nl_reg_rules = nla_nest_start_noflag(msg, NL80211_ATTR_REG_RULES);
f130347c 7571 if (!nl_reg_rules)
ad30ca2c 7572 goto nla_put_failure;
f130347c 7573
458f4f9e 7574 for (i = 0; i < regdom->n_reg_rules; i++) {
f130347c
LR		 7575 struct nlattr *nl_reg_rule;
7576 const struct ieee80211_reg_rule *reg_rule;
7577 const struct ieee80211_freq_range *freq_range;
7578 const struct ieee80211_power_rule *power_rule;
97524820 7579 unsigned int max_bandwidth_khz;
f130347c 7580
458f4f9e 7581 reg_rule = &regdom->reg_rules[i];
f130347c
LR		 7582 freq_range = &reg_rule->freq_range;
7583 power_rule = &reg_rule->power_rule;
7584
ae0be8de 7585 nl_reg_rule = nla_nest_start_noflag(msg, i);
f130347c 7586 if (!nl_reg_rule)
ad30ca2c 7587 goto nla_put_failure;
f130347c 7588
97524820
JD		 7589 max_bandwidth_khz = freq_range->max_bandwidth_khz;
7590 if (!max_bandwidth_khz)
7591 max_bandwidth_khz = reg_get_max_bandwidth(regdom,
7592 reg_rule);
7593
9360ffd1
DM		 7594 if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS,
7595 reg_rule->flags) ||
7596 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START,
7597 freq_range->start_freq_khz) ||
7598 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END,
7599 freq_range->end_freq_khz) ||
7600 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW,
97524820 7601 max_bandwidth_khz) ||
9360ffd1
DM		 7602 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN,
7603 power_rule->max_antenna_gain) ||
7604 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP,
089027e5
JD		 7605 power_rule->max_eirp) ||
7606 nla_put_u32(msg, NL80211_ATTR_DFS_CAC_TIME,
7607 reg_rule->dfs_cac_ms))
ad30ca2c 7608 goto nla_put_failure;
f130347c
LR		 7609
7610 nla_nest_end(msg, nl_reg_rule);
7611 }
7612
7613 nla_nest_end(msg, nl_reg_rules);
ad30ca2c
AN		 7614 return 0;
7615
7616nla_put_failure:
7617 return -EMSGSIZE;
7618}
7619
7620static int nl80211_get_reg_do(struct sk_buff *skb, struct genl_info *info)
7621{
7622 const struct ieee80211_regdomain *regdom = NULL;
7623 struct cfg80211_registered_device *rdev;
7624 struct wiphy *wiphy = NULL;
7625 struct sk_buff *msg;
7626 void *hdr;
7627
7628 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7629 if (!msg)
7630 return -ENOBUFS;
7631
7632 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
7633 NL80211_CMD_GET_REG);
7634 if (!hdr)
7635 goto put_failure;
7636
7637 if (info->attrs[NL80211_ATTR_WIPHY]) {
1bdd716c
AN		 7638 bool self_managed;
7639
ad30ca2c
AN		 7640 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
7641 if (IS_ERR(rdev)) {
7642 nlmsg_free(msg);
7643 return PTR_ERR(rdev);
7644 }
7645
7646 wiphy = &rdev->wiphy;
1bdd716c
AN		 7647 self_managed = wiphy->regulatory_flags &
7648 REGULATORY_WIPHY_SELF_MANAGED;
ad30ca2c
AN		 7649 regdom = get_wiphy_regdom(wiphy);
7650
1bdd716c
AN		 7651 /* a self-managed-reg device must have a private regdom */
7652 if (WARN_ON(!regdom && self_managed)) {
7653 nlmsg_free(msg);
7654 return -EINVAL;
7655 }
7656
ad30ca2c
AN		 7657 if (regdom &&
7658 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
7659 goto nla_put_failure;
7660 }
7661
7662 if (!wiphy && reg_last_request_cell_base() &&
7663 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
7664 NL80211_USER_REG_HINT_CELL_BASE))
7665 goto nla_put_failure;
7666
7667 rcu_read_lock();
7668
7669 if (!regdom)
7670 regdom = rcu_dereference(cfg80211_regdomain);
7671
7672 if (nl80211_put_regdom(regdom, msg))
7673 goto nla_put_failure_rcu;
7674
7675 rcu_read_unlock();
f130347c
LR		 7676
7677 genlmsg_end(msg, hdr);
5fe231e8 7678 return genlmsg_reply(msg, info);
f130347c 7679
458f4f9e
JB		 7680nla_put_failure_rcu:
7681 rcu_read_unlock();
f130347c 7682nla_put_failure:
efe1cf0c 7683put_failure:
d080e275 7684 nlmsg_free(msg);
5fe231e8 7685 return -EMSGSIZE;
f130347c
LR		 7686}
7687
ad30ca2c
AN		 7688static int nl80211_send_regdom(struct sk_buff *msg, struct netlink_callback *cb,
7689 u32 seq, int flags, struct wiphy *wiphy,
7690 const struct ieee80211_regdomain *regdom)
7691{
7692 void *hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
7693 NL80211_CMD_GET_REG);
7694
7695 if (!hdr)
7696 return -1;
7697
0a833c29 7698 genl_dump_check_consistent(cb, hdr);
ad30ca2c
AN		 7699
7700 if (nl80211_put_regdom(regdom, msg))
7701 goto nla_put_failure;
7702
7703 if (!wiphy && reg_last_request_cell_base() &&
7704 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
7705 NL80211_USER_REG_HINT_CELL_BASE))
7706 goto nla_put_failure;
7707
7708 if (wiphy &&
7709 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
7710 goto nla_put_failure;
7711
1bdd716c
AN		 7712 if (wiphy && wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
7713 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
7714 goto nla_put_failure;
7715
053c095a
JB		 7716 genlmsg_end(msg, hdr);
7717 return 0;
ad30ca2c
AN		 7718
7719nla_put_failure:
7720 genlmsg_cancel(msg, hdr);
7721 return -EMSGSIZE;
7722}
7723
7724static int nl80211_get_reg_dump(struct sk_buff *skb,
7725 struct netlink_callback *cb)
7726{
7727 const struct ieee80211_regdomain *regdom = NULL;
7728 struct cfg80211_registered_device *rdev;
7729 int err, reg_idx, start = cb->args[2];
7730
7731 rtnl_lock();
7732
7733 if (cfg80211_regdomain && start == 0) {
7734 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
7735 NLM_F_MULTI, NULL,
7736 rtnl_dereference(cfg80211_regdomain));
7737 if (err < 0)
7738 goto out_err;
7739 }
7740
7741 /* the global regdom is idx 0 */
7742 reg_idx = 1;
7743 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
7744 regdom = get_wiphy_regdom(&rdev->wiphy);
7745 if (!regdom)
7746 continue;
7747
7748 if (++reg_idx <= start)
7749 continue;
7750
7751 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
7752 NLM_F_MULTI, &rdev->wiphy, regdom);
7753 if (err < 0) {
7754 reg_idx--;
7755 break;
7756 }
7757 }
7758
7759 cb->args[2] = reg_idx;
7760 err = skb->len;
7761out_err:
7762 rtnl_unlock();
7763 return err;
7764}
7765
b6863036
JB		 7766#ifdef CONFIG_CFG80211_CRDA_SUPPORT
7767static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = {
7768 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
7769 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
7770 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
7771 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
7772 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
7773 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
7774 [NL80211_ATTR_DFS_CAC_TIME] = { .type = NLA_U32 },
7775};
7776
7777static int parse_reg_rule(struct nlattr *tb[],
7778 struct ieee80211_reg_rule *reg_rule)
7779{
7780 struct ieee80211_freq_range *freq_range = &reg_rule->freq_range;
7781 struct ieee80211_power_rule *power_rule = &reg_rule->power_rule;
7782
7783 if (!tb[NL80211_ATTR_REG_RULE_FLAGS])
7784 return -EINVAL;
7785 if (!tb[NL80211_ATTR_FREQ_RANGE_START])
7786 return -EINVAL;
7787 if (!tb[NL80211_ATTR_FREQ_RANGE_END])
7788 return -EINVAL;
7789 if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW])
7790 return -EINVAL;
7791 if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP])
7792 return -EINVAL;
7793
7794 reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]);
7795
7796 freq_range->start_freq_khz =
7797 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]);
7798 freq_range->end_freq_khz =
7799 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]);
7800 freq_range->max_bandwidth_khz =
7801 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]);
7802
7803 power_rule->max_eirp =
7804 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]);
7805
7806 if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN])
7807 power_rule->max_antenna_gain =
7808 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]);
7809
7810 if (tb[NL80211_ATTR_DFS_CAC_TIME])
7811 reg_rule->dfs_cac_ms =
7812 nla_get_u32(tb[NL80211_ATTR_DFS_CAC_TIME]);
7813
7814 return 0;
7815}
7816
b2e1b302
LR		 7817static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info)
7818{
7819 struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1];
7820 struct nlattr *nl_reg_rule;
ea372c54
JB		 7821 char *alpha2;
7822 int rem_reg_rules, r;
391d132c 7823 u32 num_rules = 0, rule_idx = 0;
4c7d3982 7824 enum nl80211_dfs_regions dfs_region = NL80211_DFS_UNSET;
ea372c54 7825 struct ieee80211_regdomain *rd;
b2e1b302
LR		 7826
7827 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
7828 return -EINVAL;
7829
7830 if (!info->attrs[NL80211_ATTR_REG_RULES])
7831 return -EINVAL;
7832
7833 alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
7834
8b60b078
LR		 7835 if (info->attrs[NL80211_ATTR_DFS_REGION])
7836 dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]);
7837
b2e1b302 7838 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
1a919318 7839 rem_reg_rules) {
b2e1b302
LR		 7840 num_rules++;
7841 if (num_rules > NL80211_MAX_SUPP_REG_RULES)
4776c6e7 7842 return -EINVAL;
b2e1b302
LR		 7843 }
7844
e438768f
LR		 7845 if (!reg_is_valid_request(alpha2))
7846 return -EINVAL;
7847
391d132c 7848 rd = kzalloc(struct_size(rd, reg_rules, num_rules), GFP_KERNEL);
6913b49a
JB		 7849 if (!rd)
7850 return -ENOMEM;
b2e1b302
LR		 7851
7852 rd->n_reg_rules = num_rules;
7853 rd->alpha2[0] = alpha2[0];
7854 rd->alpha2[1] = alpha2[1];
7855
8b60b078
LR		 7856 /*
7857 * Disable DFS master mode if the DFS region was
7858 * not supported or known on this kernel.
7859 */
7860 if (reg_supported_dfs_region(dfs_region))
7861 rd->dfs_region = dfs_region;
7862
b2e1b302 7863 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
1a919318 7864 rem_reg_rules) {
8cb08174
JB		 7865 r = nla_parse_nested_deprecated(tb, NL80211_REG_RULE_ATTR_MAX,
7866 nl_reg_rule, reg_rule_policy,
7867 info->extack);
ae811e21
JB		 7868 if (r)
7869 goto bad_reg;
b2e1b302
LR		 7870 r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]);
7871 if (r)
7872 goto bad_reg;
7873
7874 rule_idx++;
7875
d0e18f83
LR		 7876 if (rule_idx > NL80211_MAX_SUPP_REG_RULES) {
7877 r = -EINVAL;
b2e1b302 7878 goto bad_reg;
d0e18f83 7879 }
b2e1b302
LR		 7880 }
7881
06627990
JB		 7882 /* set_regdom takes ownership of rd */
7883 return set_regdom(rd, REGD_SOURCE_CRDA);
d2372b31 7884 bad_reg:
b2e1b302 7885 kfree(rd);
d0e18f83 7886 return r;
b2e1b302 7887}
b6863036 7888#endif /* CONFIG_CFG80211_CRDA_SUPPORT */
b2e1b302 7889
83f5e2cf
JB		 7890static int validate_scan_freqs(struct nlattr *freqs)
7891{
7892 struct nlattr *attr1, *attr2;
7893 int n_channels = 0, tmp1, tmp2;
7894
d7f13f74
SD		 7895 nla_for_each_nested(attr1, freqs, tmp1)
7896 if (nla_len(attr1) != sizeof(u32))
7897 return 0;
7898
83f5e2cf
JB		 7899 nla_for_each_nested(attr1, freqs, tmp1) {
7900 n_channels++;
7901 /*
7902 * Some hardware has a limited channel list for
7903 * scanning, and it is pretty much nonsensical
7904 * to scan for a channel twice, so disallow that
7905 * and don't require drivers to check that the
7906 * channel list they get isn't longer than what
7907 * they can scan, as long as they can scan all
7908 * the channels they registered at once.
7909 */
7910 nla_for_each_nested(attr2, freqs, tmp2)
7911 if (attr1 != attr2 &&
7912 nla_get_u32(attr1) == nla_get_u32(attr2))
7913 return 0;
7914 }
7915
7916 return n_channels;
7917}
7918
57fbcce3 7919static bool is_band_valid(struct wiphy *wiphy, enum nl80211_band b)
38de03d2 7920{
57fbcce3 7921 return b < NUM_NL80211_BANDS && wiphy->bands[b];
38de03d2
AS		 7922}
7923
7924static int parse_bss_select(struct nlattr *nla, struct wiphy *wiphy,
7925 struct cfg80211_bss_selection *bss_select)
7926{
7927 struct nlattr *attr[NL80211_BSS_SELECT_ATTR_MAX + 1];
7928 struct nlattr *nest;
7929 int err;
7930 bool found = false;
7931 int i;
7932
7933 /* only process one nested attribute */
7934 nest = nla_data(nla);
7935 if (!nla_ok(nest, nla_len(nest)))
7936 return -EINVAL;
7937
8cb08174
JB		 7938 err = nla_parse_nested_deprecated(attr, NL80211_BSS_SELECT_ATTR_MAX,
7939 nest, nl80211_bss_select_policy,
7940 NULL);
38de03d2
AS		 7941 if (err)
7942 return err;
7943
7944 /* only one attribute may be given */
7945 for (i = 0; i <= NL80211_BSS_SELECT_ATTR_MAX; i++) {
7946 if (attr[i]) {
7947 if (found)
7948 return -EINVAL;
7949 found = true;
7950 }
7951 }
7952
7953 bss_select->behaviour = __NL80211_BSS_SELECT_ATTR_INVALID;
7954
7955 if (attr[NL80211_BSS_SELECT_ATTR_RSSI])
7956 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI;
7957
7958 if (attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]) {
7959 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_BAND_PREF;
7960 bss_select->param.band_pref =
7961 nla_get_u32(attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]);
7962 if (!is_band_valid(wiphy, bss_select->param.band_pref))
7963 return -EINVAL;
7964 }
7965
7966 if (attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]) {
7967 struct nl80211_bss_select_rssi_adjust *adj_param;
7968
7969 adj_param = nla_data(attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]);
7970 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI_ADJUST;
7971 bss_select->param.adjust.band = adj_param->band;
7972 bss_select->param.adjust.delta = adj_param->delta;
7973 if (!is_band_valid(wiphy, bss_select->param.adjust.band))
7974 return -EINVAL;
7975 }
7976
7977 /* user-space did not provide behaviour attribute */
7978 if (bss_select->behaviour == __NL80211_BSS_SELECT_ATTR_INVALID)
7979 return -EINVAL;
7980
7981 if (!(wiphy->bss_select_support & BIT(bss_select->behaviour)))
7982 return -EINVAL;
7983
7984 return 0;
7985}
7986
9bb7e0f2
JB		 7987int nl80211_parse_random_mac(struct nlattr **attrs,
7988 u8 *mac_addr, u8 *mac_addr_mask)
ad2b26ab
JB		 7989{
7990 int i;
7991
7992 if (!attrs[NL80211_ATTR_MAC] && !attrs[NL80211_ATTR_MAC_MASK]) {
d2beae10
JP		 7993 eth_zero_addr(mac_addr);
7994 eth_zero_addr(mac_addr_mask);
ad2b26ab
JB		 7995 mac_addr[0] = 0x2;
7996 mac_addr_mask[0] = 0x3;
7997
7998 return 0;
7999 }
8000
8001 /* need both or none */
8002 if (!attrs[NL80211_ATTR_MAC] || !attrs[NL80211_ATTR_MAC_MASK])
8003 return -EINVAL;
8004
8005 memcpy(mac_addr, nla_data(attrs[NL80211_ATTR_MAC]), ETH_ALEN);
8006 memcpy(mac_addr_mask, nla_data(attrs[NL80211_ATTR_MAC_MASK]), ETH_ALEN);
8007
8008 /* don't allow or configure an mcast address */
8009 if (!is_multicast_ether_addr(mac_addr_mask) ||
8010 is_multicast_ether_addr(mac_addr))
8011 return -EINVAL;
8012
8013 /*
8014 * allow users to pass a MAC address that has bits set outside
8015 * of the mask, but don't bother drivers with having to deal
8016 * with such bits
8017 */
8018 for (i = 0; i < ETH_ALEN; i++)
8019 mac_addr[i] &= mac_addr_mask[i];
8020
8021 return 0;
8022}
8023
34373d12
VT		 8024static bool cfg80211_off_channel_oper_allowed(struct wireless_dev *wdev)
8025{
8026 ASSERT_WDEV_LOCK(wdev);
8027
8028 if (!cfg80211_beaconing_iface_active(wdev))
8029 return true;
8030
8031 if (!(wdev->chandef.chan->flags & IEEE80211_CHAN_RADAR))
8032 return true;
8033
8034 return regulatory_pre_cac_allowed(wdev->wiphy);
8035}
8036
db0a4ad8
JB		 8037static bool nl80211_check_scan_feat(struct wiphy *wiphy, u32 flags, u32 flag,
8038 enum nl80211_ext_feature_index feat)
8039{
8040 if (!(flags & flag))
8041 return true;
8042 if (wiphy_ext_feature_isset(wiphy, feat))
8043 return true;
8044 return false;
8045}
8046
2d23d073
RZ		 8047static int
8048nl80211_check_scan_flags(struct wiphy *wiphy, struct wireless_dev *wdev,
8049 void *request, struct nlattr **attrs,
8050 bool is_sched_scan)
8051{
8052 u8 *mac_addr, *mac_addr_mask;
8053 u32 *flags;
8054 enum nl80211_feature_flags randomness_flag;
8055
8056 if (!attrs[NL80211_ATTR_SCAN_FLAGS])
8057 return 0;
8058
8059 if (is_sched_scan) {
8060 struct cfg80211_sched_scan_request *req = request;
8061
8062 randomness_flag = wdev ?
8063 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR :
8064 NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
8065 flags = &req->flags;
8066 mac_addr = req->mac_addr;
8067 mac_addr_mask = req->mac_addr_mask;
8068 } else {
8069 struct cfg80211_scan_request *req = request;
8070
8071 randomness_flag = NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;
8072 flags = &req->flags;
8073 mac_addr = req->mac_addr;
8074 mac_addr_mask = req->mac_addr_mask;
8075 }
8076
8077 *flags = nla_get_u32(attrs[NL80211_ATTR_SCAN_FLAGS]);
8078
5037a009
SD		 8079 if (((*flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
8080 !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) ||
db0a4ad8
JB		 8081 !nl80211_check_scan_feat(wiphy, *flags,
8082 NL80211_SCAN_FLAG_LOW_SPAN,
8083 NL80211_EXT_FEATURE_LOW_SPAN_SCAN) ||
8084 !nl80211_check_scan_feat(wiphy, *flags,
8085 NL80211_SCAN_FLAG_LOW_POWER,
8086 NL80211_EXT_FEATURE_LOW_POWER_SCAN) ||
8087 !nl80211_check_scan_feat(wiphy, *flags,
8088 NL80211_SCAN_FLAG_HIGH_ACCURACY,
8089 NL80211_EXT_FEATURE_HIGH_ACCURACY_SCAN) ||
8090 !nl80211_check_scan_feat(wiphy, *flags,
8091 NL80211_SCAN_FLAG_FILS_MAX_CHANNEL_TIME,
8092 NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME) ||
8093 !nl80211_check_scan_feat(wiphy, *flags,
8094 NL80211_SCAN_FLAG_ACCEPT_BCAST_PROBE_RESP,
8095 NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP) ||
8096 !nl80211_check_scan_feat(wiphy, *flags,
8097 NL80211_SCAN_FLAG_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION,
8098 NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION) ||
8099 !nl80211_check_scan_feat(wiphy, *flags,
8100 NL80211_SCAN_FLAG_OCE_PROBE_REQ_HIGH_TX_RATE,
2e076f19
JB		 8101 NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE) ||
8102 !nl80211_check_scan_feat(wiphy, *flags,
8103 NL80211_SCAN_FLAG_RANDOM_SN,
8104 NL80211_EXT_FEATURE_SCAN_RANDOM_SN) ||
8105 !nl80211_check_scan_feat(wiphy, *flags,
8106 NL80211_SCAN_FLAG_MIN_PREQ_CONTENT,
8107 NL80211_EXT_FEATURE_SCAN_MIN_PREQ_CONTENT))
2d23d073
RZ		 8108 return -EOPNOTSUPP;
8109
8110 if (*flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
8111 int err;
8112
8113 if (!(wiphy->features & randomness_flag) ||
8114 (wdev && wdev->current_bss))
8115 return -EOPNOTSUPP;
8116
8117 err = nl80211_parse_random_mac(attrs, mac_addr, mac_addr_mask);
8118 if (err)
8119 return err;
8120 }
8121
2d23d073
RZ		 8122 return 0;
8123}
8124
2a519311
JB		 8125static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
8126{
4c476991 8127 struct cfg80211_registered_device *rdev = info->user_ptr[0];
fd014284 8128 struct wireless_dev *wdev = info->user_ptr[1];
2a519311 8129 struct cfg80211_scan_request *request;
2032f3b2
TP		 8130 struct nlattr *scan_freqs = NULL;
8131 bool scan_freqs_khz = false;
2a519311
JB		 8132 struct nlattr *attr;
8133 struct wiphy *wiphy;
83f5e2cf 8134 int err, tmp, n_ssids = 0, n_channels, i;
70692ad2 8135 size_t ie_len;
2a519311 8136
79c97e97 8137 wiphy = &rdev->wiphy;
2a519311 8138
cb3b7d87
AB		 8139 if (wdev->iftype == NL80211_IFTYPE_NAN)
8140 return -EOPNOTSUPP;
8141
4c476991
JB		 8142 if (!rdev->ops->scan)
8143 return -EOPNOTSUPP;
2a519311 8144
83286856
CJ		 8145 if (rdev->scan_req || rdev->scan_msg)
8146 return -EBUSY;
2a519311 8147
2032f3b2
TP		 8148 if (info->attrs[NL80211_ATTR_SCAN_FREQ_KHZ]) {
8149 if (!wiphy_ext_feature_isset(wiphy,
8150 NL80211_EXT_FEATURE_SCAN_FREQ_KHZ))
8151 return -EOPNOTSUPP;
8152 scan_freqs = info->attrs[NL80211_ATTR_SCAN_FREQ_KHZ];
8153 scan_freqs_khz = true;
8154 } else if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES])
8155 scan_freqs = info->attrs[NL80211_ATTR_SCAN_FREQUENCIES];
8156
8157 if (scan_freqs) {
8158 n_channels = validate_scan_freqs(scan_freqs);
83286856
CJ		 8159 if (!n_channels)
8160 return -EINVAL;
2a519311 8161 } else {
bdfbec2d 8162 n_channels = ieee80211_get_num_supported_channels(wiphy);
2a519311
JB		 8163 }
8164
8165 if (info->attrs[NL80211_ATTR_SCAN_SSIDS])
8166 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp)
8167 n_ssids++;
8168
83286856
CJ		 8169 if (n_ssids > wiphy->max_scan_ssids)
8170 return -EINVAL;
2a519311 8171
70692ad2
JM		 8172 if (info->attrs[NL80211_ATTR_IE])
8173 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
8174 else
8175 ie_len = 0;
8176
83286856
CJ		 8177 if (ie_len > wiphy->max_scan_ie_len)
8178 return -EINVAL;
18a83659 8179
2a519311 8180 request = kzalloc(sizeof(*request)
a2cd43c5
LC		 8181 + sizeof(*request->ssids) * n_ssids
8182 + sizeof(*request->channels) * n_channels
70692ad2 8183 + ie_len, GFP_KERNEL);
83286856
CJ		 8184 if (!request)
8185 return -ENOMEM;
2a519311 8186
2a519311 8187 if (n_ssids)
5ba63533 8188 request->ssids = (void *)&request->channels[n_channels];
2a519311 8189 request->n_ssids = n_ssids;
70692ad2 8190 if (ie_len) {
13874e4b 8191 if (n_ssids)
70692ad2
JM		 8192 request->ie = (void *)(request->ssids + n_ssids);
8193 else
8194 request->ie = (void *)(request->channels + n_channels);
8195 }
2a519311 8196
584991dc 8197 i = 0;
2032f3b2 8198 if (scan_freqs) {
2a519311 8199 /* user specified, bail out if channel not found */
2032f3b2 8200 nla_for_each_nested(attr, scan_freqs, tmp) {
584991dc 8201 struct ieee80211_channel *chan;
2032f3b2 8202 int freq = nla_get_u32(attr);
584991dc 8203
2032f3b2
TP		 8204 if (!scan_freqs_khz)
8205 freq = MHZ_TO_KHZ(freq);
584991dc 8206
2032f3b2 8207 chan = ieee80211_get_channel_khz(wiphy, freq);
584991dc 8208 if (!chan) {
2a519311
JB		 8209 err = -EINVAL;
8210 goto out_free;
8211 }
584991dc
JB		 8212
8213 /* ignore disabled channels */
8214 if (chan->flags & IEEE80211_CHAN_DISABLED)
8215 continue;
8216
8217 request->channels[i] = chan;
2a519311
JB		 8218 i++;
8219 }
8220 } else {
57fbcce3 8221 enum nl80211_band band;
34850ab2 8222
2a519311 8223 /* all channels */
57fbcce3 8224 for (band = 0; band < NUM_NL80211_BANDS; band++) {
2a519311 8225 int j;
7a087e74 8226
2a519311
JB		 8227 if (!wiphy->bands[band])
8228 continue;
8229 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
584991dc
JB		 8230 struct ieee80211_channel *chan;
8231
8232 chan = &wiphy->bands[band]->channels[j];
8233
8234 if (chan->flags & IEEE80211_CHAN_DISABLED)
8235 continue;
8236
8237 request->channels[i] = chan;
2a519311
JB		 8238 i++;
8239 }
8240 }
8241 }
8242
584991dc
JB		 8243 if (!i) {
8244 err = -EINVAL;
8245 goto out_free;
8246 }
8247
8248 request->n_channels = i;
8249
34373d12
VT		 8250 wdev_lock(wdev);
8251 if (!cfg80211_off_channel_oper_allowed(wdev)) {
8252 struct ieee80211_channel *chan;
8253
8254 if (request->n_channels != 1) {
8255 wdev_unlock(wdev);
8256 err = -EBUSY;
8257 goto out_free;
8258 }
8259
8260 chan = request->channels[0];
8261 if (chan->center_freq != wdev->chandef.chan->center_freq) {
8262 wdev_unlock(wdev);
8263 err = -EBUSY;
8264 goto out_free;
8265 }
8266 }
8267 wdev_unlock(wdev);
8268
2a519311 8269 i = 0;
13874e4b 8270 if (n_ssids) {
2a519311 8271 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) {
57a27e1d 8272 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
2a519311
JB		 8273 err = -EINVAL;
8274 goto out_free;
8275 }
57a27e1d 8276 request->ssids[i].ssid_len = nla_len(attr);
2a519311 8277 memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr));
2a519311
JB		 8278 i++;
8279 }
8280 }
8281
70692ad2
JM		 8282 if (info->attrs[NL80211_ATTR_IE]) {
8283 request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
de95a54b
JB		 8284 memcpy((void *)request->ie,
8285 nla_data(info->attrs[NL80211_ATTR_IE]),
70692ad2
JM		 8286 request->ie_len);
8287 }
8288
57fbcce3 8289 for (i = 0; i < NUM_NL80211_BANDS; i++)
a401d2bb
JB		 8290 if (wiphy->bands[i])
8291 request->rates[i] =
8292 (1 << wiphy->bands[i]->n_bitrates) - 1;
34850ab2
JB		 8293
8294 if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) {
8295 nla_for_each_nested(attr,
8296 info->attrs[NL80211_ATTR_SCAN_SUPP_RATES],
8297 tmp) {
57fbcce3 8298 enum nl80211_band band = nla_type(attr);
34850ab2 8299
57fbcce3 8300 if (band < 0 || band >= NUM_NL80211_BANDS) {
34850ab2
JB		 8301 err = -EINVAL;
8302 goto out_free;
8303 }
1b09cd82
FF		 8304
8305 if (!wiphy->bands[band])
8306 continue;
8307
34850ab2
JB		 8308 err = ieee80211_get_ratemask(wiphy->bands[band],
8309 nla_data(attr),
8310 nla_len(attr),
8311 &request->rates[band]);
8312 if (err)
8313 goto out_free;
8314 }
8315 }
8316
1d76250b 8317 if (info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]) {
1d76250b
AS		 8318 request->duration =
8319 nla_get_u16(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]);
8320 request->duration_mandatory =
8321 nla_get_flag(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY]);
8322 }
8323
2d23d073
RZ		 8324 err = nl80211_check_scan_flags(wiphy, wdev, request, info->attrs,
8325 false);
8326 if (err)
8327 goto out_free;
ed473771 8328
e9f935e3
RM		 8329 request->no_cck =
8330 nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
8331
2fa436b3
VK		 8332 /* Initial implementation used NL80211_ATTR_MAC to set the specific
8333 * BSSID to scan for. This was problematic because that same attribute
8334 * was already used for another purpose (local random MAC address). The
8335 * NL80211_ATTR_BSSID attribute was added to fix this. For backwards
8336 * compatibility with older userspace components, also use the
8337 * NL80211_ATTR_MAC value here if it can be determined to be used for
8338 * the specific BSSID use case instead of the random MAC address
8339 * (NL80211_ATTR_SCAN_FLAGS is used to enable random MAC address use).
8340 */
8341 if (info->attrs[NL80211_ATTR_BSSID])
8342 memcpy(request->bssid,
8343 nla_data(info->attrs[NL80211_ATTR_BSSID]), ETH_ALEN);
8344 else if (!(request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) &&
8345 info->attrs[NL80211_ATTR_MAC])
818965d3
JM		 8346 memcpy(request->bssid, nla_data(info->attrs[NL80211_ATTR_MAC]),
8347 ETH_ALEN);
8348 else
8349 eth_broadcast_addr(request->bssid);
8350
fd014284 8351 request->wdev = wdev;
79c97e97 8352 request->wiphy = &rdev->wiphy;
15d6030b 8353 request->scan_start = jiffies;
2a519311 8354
79c97e97 8355 rdev->scan_req = request;
c8cb5b85 8356 err = cfg80211_scan(rdev);
2a519311 8357
504776be
CJ		 8358 if (err)
8359 goto out_free;
8360
8361 nl80211_send_scan_start(rdev, wdev);
8362 if (wdev->netdev)
8363 dev_hold(wdev->netdev);
8364
8365 return 0;
8366
2a519311 8367 out_free:
504776be
CJ		 8368 rdev->scan_req = NULL;
8369 kfree(request);
3b85875a 8370
2a519311
JB		 8371 return err;
8372}
8373
91d3ab46
VK		 8374static int nl80211_abort_scan(struct sk_buff *skb, struct genl_info *info)
8375{
8376 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8377 struct wireless_dev *wdev = info->user_ptr[1];
8378
8379 if (!rdev->ops->abort_scan)
8380 return -EOPNOTSUPP;
8381
8382 if (rdev->scan_msg)
8383 return 0;
8384
8385 if (!rdev->scan_req)
8386 return -ENOENT;
8387
8388 rdev_abort_scan(rdev, wdev);
8389 return 0;
8390}
8391
3b06d277
AS		 8392static int
8393nl80211_parse_sched_scan_plans(struct wiphy *wiphy, int n_plans,
8394 struct cfg80211_sched_scan_request *request,
8395 struct nlattr **attrs)
8396{
8397 int tmp, err, i = 0;
8398 struct nlattr *attr;
8399
8400 if (!attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
8401 u32 interval;
8402
8403 /*
8404 * If scan plans are not specified,
5a88de53 8405 * %NL80211_ATTR_SCHED_SCAN_INTERVAL will be specified. In this
3b06d277
AS		 8406 * case one scan plan will be set with the specified scan
8407 * interval and infinite number of iterations.
8408 */
3b06d277
AS		 8409 interval = nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]);
8410 if (!interval)
8411 return -EINVAL;
8412
8413 request->scan_plans[0].interval =
8414 DIV_ROUND_UP(interval, MSEC_PER_SEC);
8415 if (!request->scan_plans[0].interval)
8416 return -EINVAL;
8417
8418 if (request->scan_plans[0].interval >
8419 wiphy->max_sched_scan_plan_interval)
8420 request->scan_plans[0].interval =
8421 wiphy->max_sched_scan_plan_interval;
8422
8423 return 0;
8424 }
8425
8426 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp) {
8427 struct nlattr *plan[NL80211_SCHED_SCAN_PLAN_MAX + 1];
8428
8429 if (WARN_ON(i >= n_plans))
8430 return -EINVAL;
8431
8cb08174
JB		 8432 err = nla_parse_nested_deprecated(plan,
8433 NL80211_SCHED_SCAN_PLAN_MAX,
8434 attr, nl80211_plan_policy,
8435 NULL);
3b06d277
AS		 8436 if (err)
8437 return err;
8438
8439 if (!plan[NL80211_SCHED_SCAN_PLAN_INTERVAL])
8440 return -EINVAL;
8441
8442 request->scan_plans[i].interval =
8443 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_INTERVAL]);
8444 if (!request->scan_plans[i].interval ||
8445 request->scan_plans[i].interval >
8446 wiphy->max_sched_scan_plan_interval)
8447 return -EINVAL;
8448
8449 if (plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]) {
8450 request->scan_plans[i].iterations =
8451 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]);
8452 if (!request->scan_plans[i].iterations ||
8453 (request->scan_plans[i].iterations >
8454 wiphy->max_sched_scan_plan_iterations))
8455 return -EINVAL;
8456 } else if (i < n_plans - 1) {
8457 /*
8458 * All scan plans but the last one must specify
8459 * a finite number of iterations
8460 */
8461 return -EINVAL;
8462 }
8463
8464 i++;
8465 }
8466
8467 /*
8468 * The last scan plan must not specify the number of
8469 * iterations, it is supposed to run infinitely
8470 */
8471 if (request->scan_plans[n_plans - 1].iterations)
8472 return -EINVAL;
8473
8474 return 0;
8475}
8476
1e1b11b6 8477static int
8478nl80211_parse_sched_scan_per_band_rssi(struct wiphy *wiphy,
8479 struct cfg80211_match_set *match_sets,
8480 struct nlattr *tb_band_rssi,
8481 s32 rssi_thold)
8482{
8483 struct nlattr *attr;
8484 int i, tmp, ret = 0;
8485
8486 if (!wiphy_ext_feature_isset(wiphy,
8487 NL80211_EXT_FEATURE_SCHED_SCAN_BAND_SPECIFIC_RSSI_THOLD)) {
8488 if (tb_band_rssi)
8489 ret = -EOPNOTSUPP;
8490 else
8491 for (i = 0; i < NUM_NL80211_BANDS; i++)
8492 match_sets->per_band_rssi_thold[i] =
8493 NL80211_SCAN_RSSI_THOLD_OFF;
8494 return ret;
8495 }
8496
8497 for (i = 0; i < NUM_NL80211_BANDS; i++)
8498 match_sets->per_band_rssi_thold[i] = rssi_thold;
8499
8500 nla_for_each_nested(attr, tb_band_rssi, tmp) {
8501 enum nl80211_band band = nla_type(attr);
8502
8503 if (band < 0 || band >= NUM_NL80211_BANDS)
8504 return -EINVAL;
8505
8506 match_sets->per_band_rssi_thold[band] = nla_get_s32(attr);
8507 }
8508
8509 return 0;
8510}
8511
256da02d 8512static struct cfg80211_sched_scan_request *
ad2b26ab 8513nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev,
aad1e812 8514 struct nlattr **attrs, int max_match_sets)
807f8a8c
LC		 8515{
8516 struct cfg80211_sched_scan_request *request;
807f8a8c 8517 struct nlattr *attr;
3b06d277 8518 int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i, n_plans = 0;
57fbcce3 8519 enum nl80211_band band;
807f8a8c 8520 size_t ie_len;
a1f1c21c 8521 struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1];
ea73cbce 8522 s32 default_match_rssi = NL80211_SCAN_RSSI_THOLD_OFF;
807f8a8c 8523
256da02d 8524 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
807f8a8c 8525 n_channels = validate_scan_freqs(
256da02d 8526 attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
807f8a8c 8527 if (!n_channels)
256da02d 8528 return ERR_PTR(-EINVAL);
807f8a8c 8529 } else {
bdfbec2d 8530 n_channels = ieee80211_get_num_supported_channels(wiphy);
807f8a8c
LC		 8531 }
8532
256da02d
LC		 8533 if (attrs[NL80211_ATTR_SCAN_SSIDS])
8534 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
807f8a8c
LC		 8535 tmp)
8536 n_ssids++;
8537
93b6aa69 8538 if (n_ssids > wiphy->max_sched_scan_ssids)
256da02d 8539 return ERR_PTR(-EINVAL);
807f8a8c 8540
ea73cbce
JB		 8541 /*
8542 * First, count the number of 'real' matchsets. Due to an issue with
8543 * the old implementation, matchsets containing only the RSSI attribute
8544 * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default'
8545 * RSSI for all matchsets, rather than their own matchset for reporting
8546 * all APs with a strong RSSI. This is needed to be compatible with
8547 * older userspace that treated a matchset with only the RSSI as the
8548 * global RSSI for all other matchsets - if there are other matchsets.
8549 */
256da02d 8550 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
a1f1c21c 8551 nla_for_each_nested(attr,
256da02d 8552 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
ea73cbce
JB		 8553 tmp) {
8554 struct nlattr *rssi;
8555
8cb08174
JB		 8556 err = nla_parse_nested_deprecated(tb,
8557 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
8558 attr,
8559 nl80211_match_policy,
8560 NULL);
ea73cbce 8561 if (err)
256da02d 8562 return ERR_PTR(err);
3007e352
AVS		 8563
8564 /* SSID and BSSID are mutually exclusive */
8565 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] &&
8566 tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID])
8567 return ERR_PTR(-EINVAL);
8568
ea73cbce 8569 /* add other standalone attributes here */
3007e352
AVS		 8570 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] ||
8571 tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID]) {
ea73cbce
JB		 8572 n_match_sets++;
8573 continue;
8574 }
8575 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
8576 if (rssi)
8577 default_match_rssi = nla_get_s32(rssi);
8578 }
8579 }
8580
8581 /* However, if there's no other matchset, add the RSSI one */
8582 if (!n_match_sets && default_match_rssi != NL80211_SCAN_RSSI_THOLD_OFF)
8583 n_match_sets = 1;
a1f1c21c 8584
aad1e812 8585 if (n_match_sets > max_match_sets)
256da02d 8586 return ERR_PTR(-EINVAL);
a1f1c21c 8587
256da02d
LC		 8588 if (attrs[NL80211_ATTR_IE])
8589 ie_len = nla_len(attrs[NL80211_ATTR_IE]);
807f8a8c
LC		 8590 else
8591 ie_len = 0;
8592
5a865bad 8593 if (ie_len > wiphy->max_sched_scan_ie_len)
256da02d 8594 return ERR_PTR(-EINVAL);
c10841ca 8595
3b06d277
AS		 8596 if (attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
8597 /*
8598 * NL80211_ATTR_SCHED_SCAN_INTERVAL must not be specified since
8599 * each scan plan already specifies its own interval
8600 */
8601 if (attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
8602 return ERR_PTR(-EINVAL);
8603
8604 nla_for_each_nested(attr,
8605 attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp)
8606 n_plans++;
8607 } else {
8608 /*
8609 * The scan interval attribute is kept for backward
8610 * compatibility. If no scan plans are specified and sched scan
8611 * interval is specified, one scan plan will be set with this
8612 * scan interval and infinite number of iterations.
8613 */
8614 if (!attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
8615 return ERR_PTR(-EINVAL);
8616
8617 n_plans = 1;
8618 }
8619
8620 if (!n_plans || n_plans > wiphy->max_sched_scan_plans)
8621 return ERR_PTR(-EINVAL);
8622
bf95ecdb 8623 if (!wiphy_ext_feature_isset(
8624 wiphy, NL80211_EXT_FEATURE_SCHED_SCAN_RELATIVE_RSSI) &&
8625 (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] ||
8626 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]))
8627 return ERR_PTR(-EINVAL);
8628
807f8a8c 8629 request = kzalloc(sizeof(*request)
a2cd43c5 8630 + sizeof(*request->ssids) * n_ssids
a1f1c21c 8631 + sizeof(*request->match_sets) * n_match_sets
3b06d277 8632 + sizeof(*request->scan_plans) * n_plans
a2cd43c5 8633 + sizeof(*request->channels) * n_channels
807f8a8c 8634 + ie_len, GFP_KERNEL);
256da02d
LC		 8635 if (!request)
8636 return ERR_PTR(-ENOMEM);
807f8a8c
LC		 8637
8638 if (n_ssids)
8639 request->ssids = (void *)&request->channels[n_channels];
8640 request->n_ssids = n_ssids;
8641 if (ie_len) {
13874e4b 8642 if (n_ssids)
807f8a8c
LC		 8643 request->ie = (void *)(request->ssids + n_ssids);
8644 else
8645 request->ie = (void *)(request->channels + n_channels);
8646 }
8647
a1f1c21c
LC		 8648 if (n_match_sets) {
8649 if (request->ie)
8650 request->match_sets = (void *)(request->ie + ie_len);
13874e4b 8651 else if (n_ssids)
a1f1c21c
LC		 8652 request->match_sets =
8653 (void *)(request->ssids + n_ssids);
8654 else
8655 request->match_sets =
8656 (void *)(request->channels + n_channels);
8657 }
8658 request->n_match_sets = n_match_sets;
8659
3b06d277
AS		 8660 if (n_match_sets)
8661 request->scan_plans = (void *)(request->match_sets +
8662 n_match_sets);
8663 else if (request->ie)
8664 request->scan_plans = (void *)(request->ie + ie_len);
8665 else if (n_ssids)
8666 request->scan_plans = (void *)(request->ssids + n_ssids);
8667 else
8668 request->scan_plans = (void *)(request->channels + n_channels);
8669
8670 request->n_scan_plans = n_plans;
8671
807f8a8c 8672 i = 0;
256da02d 8673 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
807f8a8c
LC		 8674 /* user specified, bail out if channel not found */
8675 nla_for_each_nested(attr,
256da02d 8676 attrs[NL80211_ATTR_SCAN_FREQUENCIES],
807f8a8c
LC		 8677 tmp) {
8678 struct ieee80211_channel *chan;
8679
8680 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
8681
8682 if (!chan) {
8683 err = -EINVAL;
8684 goto out_free;
8685 }
8686
8687 /* ignore disabled channels */
8688 if (chan->flags & IEEE80211_CHAN_DISABLED)
8689 continue;
8690
8691 request->channels[i] = chan;
8692 i++;
8693 }
8694 } else {
8695 /* all channels */
57fbcce3 8696 for (band = 0; band < NUM_NL80211_BANDS; band++) {
807f8a8c 8697 int j;
7a087e74 8698
807f8a8c
LC		 8699 if (!wiphy->bands[band])
8700 continue;
8701 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
8702 struct ieee80211_channel *chan;
8703
8704 chan = &wiphy->bands[band]->channels[j];
8705
8706 if (chan->flags & IEEE80211_CHAN_DISABLED)
8707 continue;
8708
8709 request->channels[i] = chan;
8710 i++;
8711 }
8712 }
8713 }
8714
8715 if (!i) {
8716 err = -EINVAL;
8717 goto out_free;
8718 }
8719
8720 request->n_channels = i;
8721
8722 i = 0;
13874e4b 8723 if (n_ssids) {
256da02d 8724 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
807f8a8c 8725 tmp) {
57a27e1d 8726 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
807f8a8c
LC		 8727 err = -EINVAL;
8728 goto out_free;
8729 }
57a27e1d 8730 request->ssids[i].ssid_len = nla_len(attr);
807f8a8c
LC		 8731 memcpy(request->ssids[i].ssid, nla_data(attr),
8732 nla_len(attr));
807f8a8c
LC		 8733 i++;
8734 }
8735 }
8736
a1f1c21c 8737 i = 0;
256da02d 8738 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
a1f1c21c 8739 nla_for_each_nested(attr,
256da02d 8740 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
a1f1c21c 8741 tmp) {
3007e352 8742 struct nlattr *ssid, *bssid, *rssi;
a1f1c21c 8743
8cb08174
JB		 8744 err = nla_parse_nested_deprecated(tb,
8745 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
8746 attr,
8747 nl80211_match_policy,
8748 NULL);
ae811e21
JB		 8749 if (err)
8750 goto out_free;
4a4ab0d7 8751 ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID];
3007e352 8752 bssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID];
d39f3b4f
JB		 8753
8754 if (!ssid && !bssid) {
8755 i++;
8756 continue;
8757 }
8758
8759 if (WARN_ON(i >= n_match_sets)) {
8760 /* this indicates a programming error,
8761 * the loop above should have verified
8762 * things properly
8763 */
8764 err = -EINVAL;
8765 goto out_free;
8766 }
8767
8768 if (ssid) {
d39f3b4f
JB		 8769 memcpy(request->match_sets[i].ssid.ssid,
8770 nla_data(ssid), nla_len(ssid));
8771 request->match_sets[i].ssid.ssid_len =
8772 nla_len(ssid);
8773 }
cb9abd48 8774 if (bssid)
d39f3b4f
JB		 8775 memcpy(request->match_sets[i].bssid,
8776 nla_data(bssid), ETH_ALEN);
3007e352 8777
d39f3b4f
JB		 8778 /* special attribute - old implementation w/a */
8779 request->match_sets[i].rssi_thold = default_match_rssi;
8780 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
8781 if (rssi)
ea73cbce 8782 request->match_sets[i].rssi_thold =
d39f3b4f 8783 nla_get_s32(rssi);
1e1b11b6 8784
8785 /* Parse per band RSSI attribute */
8786 err = nl80211_parse_sched_scan_per_band_rssi(wiphy,
8787 &request->match_sets[i],
8788 tb[NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI],
8789 request->match_sets[i].rssi_thold);
8790 if (err)
8791 goto out_free;
8792
a1f1c21c
LC		 8793 i++;
8794 }
ea73cbce
JB		 8795
8796 /* there was no other matchset, so the RSSI one is alone */
f89f46cf 8797 if (i == 0 && n_match_sets)
ea73cbce
JB		 8798 request->match_sets[0].rssi_thold = default_match_rssi;
8799
8800 request->min_rssi_thold = INT_MAX;
8801 for (i = 0; i < n_match_sets; i++)
8802 request->min_rssi_thold =
8803 min(request->match_sets[i].rssi_thold,
8804 request->min_rssi_thold);
8805 } else {
8806 request->min_rssi_thold = NL80211_SCAN_RSSI_THOLD_OFF;
a1f1c21c
LC		 8807 }
8808
9900e484
JB		 8809 if (ie_len) {
8810 request->ie_len = ie_len;
807f8a8c 8811 memcpy((void *)request->ie,
256da02d 8812 nla_data(attrs[NL80211_ATTR_IE]),
807f8a8c
LC		 8813 request->ie_len);
8814 }
8815
2d23d073
RZ		 8816 err = nl80211_check_scan_flags(wiphy, wdev, request, attrs, true);
8817 if (err)
8818 goto out_free;
ed473771 8819
9c748934
LC		 8820 if (attrs[NL80211_ATTR_SCHED_SCAN_DELAY])
8821 request->delay =
8822 nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_DELAY]);
8823
bf95ecdb 8824 if (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]) {
8825 request->relative_rssi = nla_get_s8(
8826 attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]);
8827 request->relative_rssi_set = true;
8828 }
8829
8830 if (request->relative_rssi_set &&
8831 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]) {
8832 struct nl80211_bss_select_rssi_adjust *rssi_adjust;
8833
8834 rssi_adjust = nla_data(
8835 attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]);
8836 request->rssi_adjust.band = rssi_adjust->band;
8837 request->rssi_adjust.delta = rssi_adjust->delta;
8838 if (!is_band_valid(wiphy, request->rssi_adjust.band)) {
8839 err = -EINVAL;
8840 goto out_free;
8841 }
8842 }
8843
3b06d277
AS		 8844 err = nl80211_parse_sched_scan_plans(wiphy, n_plans, request, attrs);
8845 if (err)
8846 goto out_free;
8847
15d6030b 8848 request->scan_start = jiffies;
807f8a8c 8849
256da02d 8850 return request;
807f8a8c
LC		 8851
8852out_free:
8853 kfree(request);
256da02d
LC		 8854 return ERR_PTR(err);
8855}
8856
8857static int nl80211_start_sched_scan(struct sk_buff *skb,
8858 struct genl_info *info)
8859{
8860 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8861 struct net_device *dev = info->user_ptr[1];
ad2b26ab 8862 struct wireless_dev *wdev = dev->ieee80211_ptr;
31a60ed1 8863 struct cfg80211_sched_scan_request *sched_scan_req;
ca986ad9 8864 bool want_multi;
256da02d
LC		 8865 int err;
8866
ca986ad9 8867 if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_start)
256da02d
LC		 8868 return -EOPNOTSUPP;
8869
ca986ad9
AVS		 8870 want_multi = info->attrs[NL80211_ATTR_SCHED_SCAN_MULTI];
8871 err = cfg80211_sched_scan_req_possible(rdev, want_multi);
8872 if (err)
8873 return err;
256da02d 8874
31a60ed1 8875 sched_scan_req = nl80211_parse_sched_scan(&rdev->wiphy, wdev,
aad1e812
AVS		 8876 info->attrs,
8877 rdev->wiphy.max_match_sets);
31a60ed1
JR		 8878
8879 err = PTR_ERR_OR_ZERO(sched_scan_req);
256da02d
LC		 8880 if (err)
8881 goto out_err;
8882
ca986ad9
AVS		 8883 /* leave request id zero for legacy request
8884 * or if driver does not support multi-scheduled scan
8885 */
2fd351a8
DK		 8886 if (want_multi && rdev->wiphy.max_sched_scan_reqs > 1)
8887 sched_scan_req->reqid = cfg80211_assign_cookie(rdev);
ca986ad9 8888
31a60ed1 8889 err = rdev_sched_scan_start(rdev, dev, sched_scan_req);
256da02d
LC		 8890 if (err)
8891 goto out_free;
8892
31a60ed1
JR		 8893 sched_scan_req->dev = dev;
8894 sched_scan_req->wiphy = &rdev->wiphy;
8895
93a1e86c
JR		 8896 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
8897 sched_scan_req->owner_nlportid = info->snd_portid;
8898
ca986ad9 8899 cfg80211_add_sched_scan_req(rdev, sched_scan_req);
256da02d 8900
96b08fd6 8901 nl80211_send_sched_scan(sched_scan_req, NL80211_CMD_START_SCHED_SCAN);
256da02d
LC		 8902 return 0;
8903
8904out_free:
31a60ed1 8905 kfree(sched_scan_req);
256da02d 8906out_err:
807f8a8c
LC		 8907 return err;
8908}
8909
8910static int nl80211_stop_sched_scan(struct sk_buff *skb,
8911 struct genl_info *info)
8912{
ca986ad9 8913 struct cfg80211_sched_scan_request *req;
807f8a8c 8914 struct cfg80211_registered_device *rdev = info->user_ptr[0];
ca986ad9 8915 u64 cookie;
807f8a8c 8916
ca986ad9 8917 if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_stop)
807f8a8c
LC		 8918 return -EOPNOTSUPP;
8919
ca986ad9
AVS		 8920 if (info->attrs[NL80211_ATTR_COOKIE]) {
8921 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
8922 return __cfg80211_stop_sched_scan(rdev, cookie, false);
8923 }
8924
8925 req = list_first_or_null_rcu(&rdev->sched_scan_req_list,
8926 struct cfg80211_sched_scan_request,
8927 list);
8928 if (!req || req->reqid ||
8929 (req->owner_nlportid &&
8930 req->owner_nlportid != info->snd_portid))
8931 return -ENOENT;
8932
8933 return cfg80211_stop_sched_scan_req(rdev, req, false);
807f8a8c
LC		 8934}
8935
04f39047
SW		 8936static int nl80211_start_radar_detection(struct sk_buff *skb,
8937 struct genl_info *info)
8938{
8939 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8940 struct net_device *dev = info->user_ptr[1];
8941 struct wireless_dev *wdev = dev->ieee80211_ptr;
13cf6dec 8942 struct wiphy *wiphy = wdev->wiphy;
04f39047 8943 struct cfg80211_chan_def chandef;
55f7435c 8944 enum nl80211_dfs_regions dfs_region;
31559f35 8945 unsigned int cac_time_ms;
04f39047
SW		 8946 int err;
8947
13cf6dec 8948 dfs_region = reg_get_dfs_region(wiphy);
55f7435c
LR		 8949 if (dfs_region == NL80211_DFS_UNSET)
8950 return -EINVAL;
8951
04f39047
SW		 8952 err = nl80211_parse_chandef(rdev, info, &chandef);
8953 if (err)
8954 return err;
8955
ff311bc1
SW		 8956 if (netif_carrier_ok(dev))
8957 return -EBUSY;
8958
04f39047
SW		 8959 if (wdev->cac_started)
8960 return -EBUSY;
8961
13cf6dec 8962 err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype);
04f39047
SW		 8963 if (err < 0)
8964 return err;
8965
8966 if (err == 0)
8967 return -EINVAL;
8968
13cf6dec 8969 if (!cfg80211_chandef_dfs_usable(wiphy, &chandef))
04f39047
SW		 8970 return -EINVAL;
8971
13cf6dec
DL		 8972 /* CAC start is offloaded to HW and can't be started manually */
8973 if (wiphy_ext_feature_isset(wiphy, NL80211_EXT_FEATURE_DFS_OFFLOAD))
8974 return -EOPNOTSUPP;
8975
04f39047
SW		 8976 if (!rdev->ops->start_radar_detection)
8977 return -EOPNOTSUPP;
8978
31559f35
JD		 8979 cac_time_ms = cfg80211_chandef_dfs_cac_time(&rdev->wiphy, &chandef);
8980 if (WARN_ON(!cac_time_ms))
8981 cac_time_ms = IEEE80211_DFS_MIN_CAC_TIME_MS;
8982
a1056b1b 8983 err = rdev_start_radar_detection(rdev, dev, &chandef, cac_time_ms);
04f39047 8984 if (!err) {
9e0e2961 8985 wdev->chandef = chandef;
04f39047
SW		 8986 wdev->cac_started = true;
8987 wdev->cac_start_time = jiffies;
31559f35 8988 wdev->cac_time_ms = cac_time_ms;
04f39047 8989 }
04f39047
SW		 8990 return err;
8991}
8992
30c63115
S		 8993static int nl80211_notify_radar_detection(struct sk_buff *skb,
8994 struct genl_info *info)
8995{
8996 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8997 struct net_device *dev = info->user_ptr[1];
8998 struct wireless_dev *wdev = dev->ieee80211_ptr;
8999 struct wiphy *wiphy = wdev->wiphy;
9000 struct cfg80211_chan_def chandef;
9001 enum nl80211_dfs_regions dfs_region;
9002 int err;
9003
9004 dfs_region = reg_get_dfs_region(wiphy);
9005 if (dfs_region == NL80211_DFS_UNSET) {
9006 GENL_SET_ERR_MSG(info,
9007 "DFS Region is not set. Unexpected Radar indication");
9008 return -EINVAL;
9009 }
9010
9011 err = nl80211_parse_chandef(rdev, info, &chandef);
9012 if (err) {
9013 GENL_SET_ERR_MSG(info, "Unable to extract chandef info");
9014 return err;
9015 }
9016
9017 err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype);
9018 if (err < 0) {
9019 GENL_SET_ERR_MSG(info, "chandef is invalid");
9020 return err;
9021 }
9022
9023 if (err == 0) {
9024 GENL_SET_ERR_MSG(info,
9025 "Unexpected Radar indication for chandef/iftype");
9026 return -EINVAL;
9027 }
9028
9029 /* Do not process this notification if radar is already detected
9030 * by kernel on this channel, and return success.
9031 */
9032 if (chandef.chan->dfs_state == NL80211_DFS_UNAVAILABLE)
9033 return 0;
9034
9035 cfg80211_set_dfs_state(wiphy, &chandef, NL80211_DFS_UNAVAILABLE);
9036
9037 cfg80211_sched_dfs_chan_update(rdev);
9038
a680fe46 9039 rdev->radar_chandef = chandef;
30c63115
S		 9040
9041 /* Propagate this notification to other radios as well */
9042 queue_work(cfg80211_wq, &rdev->propagate_radar_detect_wk);
9043
9044 return 0;
9045}
9046
16ef1fe2
SW		 9047static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info)
9048{
9049 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9050 struct net_device *dev = info->user_ptr[1];
9051 struct wireless_dev *wdev = dev->ieee80211_ptr;
9052 struct cfg80211_csa_settings params;
9053 /* csa_attrs is defined static to avoid waste of stack size - this
9054 * function is called under RTNL lock, so this should not be a problem.
9055 */
9056 static struct nlattr *csa_attrs[NL80211_ATTR_MAX+1];
16ef1fe2 9057 int err;
ee4bc9e7 9058 bool need_new_beacon = false;
8d9de16f 9059 bool need_handle_dfs_flag = true;
9a774c78 9060 int len, i;
252e07ca 9061 u32 cs_count;
16ef1fe2
SW		 9062
9063 if (!rdev->ops->channel_switch ||
9064 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH))
9065 return -EOPNOTSUPP;
9066
ee4bc9e7
SW		 9067 switch (dev->ieee80211_ptr->iftype) {
9068 case NL80211_IFTYPE_AP:
9069 case NL80211_IFTYPE_P2P_GO:
9070 need_new_beacon = true;
8d9de16f
BB		 9071 /* For all modes except AP the handle_dfs flag needs to be
9072 * supplied to tell the kernel that userspace will handle radar
9073 * events when they happen. Otherwise a switch to a channel
9074 * requiring DFS will be rejected.
9075 */
9076 need_handle_dfs_flag = false;
ee4bc9e7
SW		 9077
9078 /* useless if AP is not running */
9079 if (!wdev->beacon_interval)
1ff79dfa 9080 return -ENOTCONN;
ee4bc9e7
SW		 9081 break;
9082 case NL80211_IFTYPE_ADHOC:
1ff79dfa
JB		 9083 if (!wdev->ssid_len)
9084 return -ENOTCONN;
9085 break;
c6da674a 9086 case NL80211_IFTYPE_MESH_POINT:
1ff79dfa
JB		 9087 if (!wdev->mesh_id_len)
9088 return -ENOTCONN;
ee4bc9e7
SW		 9089 break;
9090 default:
16ef1fe2 9091 return -EOPNOTSUPP;
ee4bc9e7 9092 }
16ef1fe2
SW		 9093
9094 memset(&params, 0, sizeof(params));
c177db2d 9095 params.beacon_csa.ftm_responder = -1;
16ef1fe2
SW		 9096
9097 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
9098 !info->attrs[NL80211_ATTR_CH_SWITCH_COUNT])
9099 return -EINVAL;
9100
9101 /* only important for AP, IBSS and mesh create IEs internally */
d0a361a5 9102 if (need_new_beacon && !info->attrs[NL80211_ATTR_CSA_IES])
16ef1fe2
SW		 9103 return -EINVAL;
9104
252e07ca
LC		 9105 /* Even though the attribute is u32, the specification says
9106 * u8, so let's make sure we don't overflow.
9107 */
9108 cs_count = nla_get_u32(info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]);
9109 if (cs_count > 255)
9110 return -EINVAL;
9111
9112 params.count = cs_count;
16ef1fe2 9113
ee4bc9e7
SW		 9114 if (!need_new_beacon)
9115 goto skip_beacons;
9116
81e54d08 9117 err = nl80211_parse_beacon(rdev, info->attrs, &params.beacon_after);
16ef1fe2
SW		 9118 if (err)
9119 return err;
9120
8cb08174
JB		 9121 err = nla_parse_nested_deprecated(csa_attrs, NL80211_ATTR_MAX,
9122 info->attrs[NL80211_ATTR_CSA_IES],
9123 nl80211_policy, info->extack);
16ef1fe2
SW		 9124 if (err)
9125 return err;
9126
81e54d08 9127 err = nl80211_parse_beacon(rdev, csa_attrs, &params.beacon_csa);
16ef1fe2
SW		 9128 if (err)
9129 return err;
9130
00c207ed 9131 if (!csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON])
16ef1fe2
SW		 9132 return -EINVAL;
9133
00c207ed 9134 len = nla_len(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON]);
9a774c78 9135 if (!len || (len % sizeof(u16)))
16ef1fe2
SW		 9136 return -EINVAL;
9137
9a774c78
AO		 9138 params.n_counter_offsets_beacon = len / sizeof(u16);
9139 if (rdev->wiphy.max_num_csa_counters &&
9140 (params.n_counter_offsets_beacon >
9141 rdev->wiphy.max_num_csa_counters))
16ef1fe2
SW		 9142 return -EINVAL;
9143
9a774c78 9144 params.counter_offsets_beacon =
00c207ed 9145 nla_data(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON]);
9a774c78
AO		 9146
9147 /* sanity checks - counters should fit and be the same */
9148 for (i = 0; i < params.n_counter_offsets_beacon; i++) {
9149 u16 offset = params.counter_offsets_beacon[i];
9150
9151 if (offset >= params.beacon_csa.tail_len)
9152 return -EINVAL;
9153
9154 if (params.beacon_csa.tail[offset] != params.count)
9155 return -EINVAL;
9156 }
9157
00c207ed
JC		 9158 if (csa_attrs[NL80211_ATTR_CNTDWN_OFFS_PRESP]) {
9159 len = nla_len(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_PRESP]);
9a774c78 9160 if (!len || (len % sizeof(u16)))
16ef1fe2
SW		 9161 return -EINVAL;
9162
9a774c78
AO		 9163 params.n_counter_offsets_presp = len / sizeof(u16);
9164 if (rdev->wiphy.max_num_csa_counters &&
ad5987b4 9165 (params.n_counter_offsets_presp >
9a774c78 9166 rdev->wiphy.max_num_csa_counters))
16ef1fe2 9167 return -EINVAL;
9a774c78
AO		 9168
9169 params.counter_offsets_presp =
00c207ed 9170 nla_data(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_PRESP]);
9a774c78
AO		 9171
9172 /* sanity checks - counters should fit and be the same */
9173 for (i = 0; i < params.n_counter_offsets_presp; i++) {
9174 u16 offset = params.counter_offsets_presp[i];
9175
9176 if (offset >= params.beacon_csa.probe_resp_len)
9177 return -EINVAL;
9178
9179 if (params.beacon_csa.probe_resp[offset] !=
9180 params.count)
9181 return -EINVAL;
9182 }
16ef1fe2
SW		 9183 }
9184
ee4bc9e7 9185skip_beacons:
16ef1fe2
SW		 9186 err = nl80211_parse_chandef(rdev, info, &params.chandef);
9187 if (err)
9188 return err;
9189
923b352f
AN		 9190 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &params.chandef,
9191 wdev->iftype))
16ef1fe2
SW		 9192 return -EINVAL;
9193
2beb6dab
LC		 9194 err = cfg80211_chandef_dfs_required(wdev->wiphy,
9195 &params.chandef,
9196 wdev->iftype);
9197 if (err < 0)
9198 return err;
9199
8d9de16f 9200 if (err > 0) {
2beb6dab 9201 params.radar_required = true;
8d9de16f
BB		 9202 if (need_handle_dfs_flag &&
9203 !nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS])) {
9204 return -EINVAL;
9205 }
9206 }
16ef1fe2 9207
16ef1fe2
SW		 9208 if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX])
9209 params.block_tx = true;
9210
c56589ed
SW		 9211 wdev_lock(wdev);
9212 err = rdev_channel_switch(rdev, dev, &params);
9213 wdev_unlock(wdev);
9214
9215 return err;
16ef1fe2
SW		 9216}
9217
9720bb3a
JB		 9218static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
9219 u32 seq, int flags,
2a519311 9220 struct cfg80211_registered_device *rdev,
48ab905d
JB		 9221 struct wireless_dev *wdev,
9222 struct cfg80211_internal_bss *intbss)
2a519311 9223{
48ab905d 9224 struct cfg80211_bss *res = &intbss->pub;
9caf0364 9225 const struct cfg80211_bss_ies *ies;
2a519311
JB		 9226 void *hdr;
9227 struct nlattr *bss;
48ab905d
JB		 9228
9229 ASSERT_WDEV_LOCK(wdev);
2a519311 9230
15e47304 9231 hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
2a519311
JB		 9232 NL80211_CMD_NEW_SCAN_RESULTS);
9233 if (!hdr)
9234 return -1;
9235
0a833c29 9236 genl_dump_check_consistent(cb, hdr);
9720bb3a 9237
97990a06
JB		 9238 if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation))
9239 goto nla_put_failure;
9240 if (wdev->netdev &&
9360ffd1
DM		 9241 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex))
9242 goto nla_put_failure;
2dad624e
ND		 9243 if (nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
9244 NL80211_ATTR_PAD))
97990a06 9245 goto nla_put_failure;
2a519311 9246
ae0be8de 9247 bss = nla_nest_start_noflag(msg, NL80211_ATTR_BSS);
2a519311
JB		 9248 if (!bss)
9249 goto nla_put_failure;
9360ffd1 9250 if ((!is_zero_ether_addr(res->bssid) &&
9caf0364 9251 nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid)))
9360ffd1 9252 goto nla_put_failure;
9caf0364
JB		 9253
9254 rcu_read_lock();
0e227084
JB		 9255 /* indicate whether we have probe response data or not */
9256 if (rcu_access_pointer(res->proberesp_ies) &&
9257 nla_put_flag(msg, NL80211_BSS_PRESP_DATA))
9258 goto fail_unlock_rcu;
9259
9260 /* this pointer prefers to be pointed to probe response data
9261 * but is always valid
9262 */
9caf0364 9263 ies = rcu_dereference(res->ies);
8cef2c9d 9264 if (ies) {
2dad624e
ND		 9265 if (nla_put_u64_64bit(msg, NL80211_BSS_TSF, ies->tsf,
9266 NL80211_BSS_PAD))
8cef2c9d 9267 goto fail_unlock_rcu;
8cef2c9d
JB		 9268 if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS,
9269 ies->len, ies->data))
9270 goto fail_unlock_rcu;
9caf0364 9271 }
0e227084
JB		 9272
9273 /* and this pointer is always (unless driver didn't know) beacon data */
9caf0364 9274 ies = rcu_dereference(res->beacon_ies);
0e227084 9275 if (ies && ies->from_beacon) {
2dad624e
ND		 9276 if (nla_put_u64_64bit(msg, NL80211_BSS_BEACON_TSF, ies->tsf,
9277 NL80211_BSS_PAD))
8cef2c9d
JB		 9278 goto fail_unlock_rcu;
9279 if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES,
9280 ies->len, ies->data))
9281 goto fail_unlock_rcu;
9caf0364
JB		 9282 }
9283 rcu_read_unlock();
9284
9360ffd1
DM		 9285 if (res->beacon_interval &&
9286 nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval))
9287 goto nla_put_failure;
9288 if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) ||
9289 nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) ||
942ba88b
TP		 9290 nla_put_u32(msg, NL80211_BSS_FREQUENCY_OFFSET,
9291 res->channel->freq_offset) ||
dcd6eac1 9292 nla_put_u32(msg, NL80211_BSS_CHAN_WIDTH, res->scan_width) ||
9360ffd1
DM		 9293 nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO,
9294 jiffies_to_msecs(jiffies - intbss->ts)))
9295 goto nla_put_failure;
2a519311 9296
1d76250b
AS		 9297 if (intbss->parent_tsf &&
9298 (nla_put_u64_64bit(msg, NL80211_BSS_PARENT_TSF,
9299 intbss->parent_tsf, NL80211_BSS_PAD) ||
9300 nla_put(msg, NL80211_BSS_PARENT_BSSID, ETH_ALEN,
9301 intbss->parent_bssid)))
9302 goto nla_put_failure;
9303
6e19bc4b 9304 if (intbss->ts_boottime &&
2dad624e
ND		 9305 nla_put_u64_64bit(msg, NL80211_BSS_LAST_SEEN_BOOTTIME,
9306 intbss->ts_boottime, NL80211_BSS_PAD))
6e19bc4b
DS		 9307 goto nla_put_failure;
9308
983dafaa
SD		 9309 if (!nl80211_put_signal(msg, intbss->pub.chains,
9310 intbss->pub.chain_signal,
9311 NL80211_BSS_CHAIN_SIGNAL))
9312 goto nla_put_failure;
9313
77965c97 9314 switch (rdev->wiphy.signal_type) {
2a519311 9315 case CFG80211_SIGNAL_TYPE_MBM:
9360ffd1
DM		 9316 if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal))
9317 goto nla_put_failure;
2a519311
JB		 9318 break;
9319 case CFG80211_SIGNAL_TYPE_UNSPEC:
9360ffd1
DM		 9320 if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal))
9321 goto nla_put_failure;
2a519311
JB		 9322 break;
9323 default:
9324 break;
9325 }
9326
48ab905d 9327 switch (wdev->iftype) {
074ac8df 9328 case NL80211_IFTYPE_P2P_CLIENT:
48ab905d 9329 case NL80211_IFTYPE_STATION:
9360ffd1
DM		 9330 if (intbss == wdev->current_bss &&
9331 nla_put_u32(msg, NL80211_BSS_STATUS,
9332 NL80211_BSS_STATUS_ASSOCIATED))
9333 goto nla_put_failure;
48ab905d
JB		 9334 break;
9335 case NL80211_IFTYPE_ADHOC:
9360ffd1
DM		 9336 if (intbss == wdev->current_bss &&
9337 nla_put_u32(msg, NL80211_BSS_STATUS,
9338 NL80211_BSS_STATUS_IBSS_JOINED))
9339 goto nla_put_failure;
48ab905d
JB		 9340 break;
9341 default:
9342 break;
9343 }
9344
2a519311
JB		 9345 nla_nest_end(msg, bss);
9346
053c095a
JB		 9347 genlmsg_end(msg, hdr);
9348 return 0;
2a519311 9349
8cef2c9d
JB		 9350 fail_unlock_rcu:
9351 rcu_read_unlock();
2a519311
JB		 9352 nla_put_failure:
9353 genlmsg_cancel(msg, hdr);
9354 return -EMSGSIZE;
9355}
9356
97990a06 9357static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb)
2a519311 9358{
48ab905d 9359 struct cfg80211_registered_device *rdev;
2a519311 9360 struct cfg80211_internal_bss *scan;
48ab905d 9361 struct wireless_dev *wdev;
97990a06 9362 int start = cb->args[2], idx = 0;
2a519311
JB		 9363 int err;
9364
ea90e0dc 9365 rtnl_lock();
5297c65c 9366 err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
ea90e0dc
JB		 9367 if (err) {
9368 rtnl_unlock();
67748893 9369 return err;
ea90e0dc 9370 }
2a519311 9371
48ab905d
JB		 9372 wdev_lock(wdev);
9373 spin_lock_bh(&rdev->bss_lock);
d1e23c94
DK		 9374
9375 /*
9376 * dump_scan will be called multiple times to break up the scan results
9377 * into multiple messages. It is unlikely that any more bss-es will be
9378 * expired after the first call, so only call only call this on the
9379 * first dump_scan invocation.
9380 */
9381 if (start == 0)
9382 cfg80211_bss_expire(rdev);
48ab905d 9383
9720bb3a
JB		 9384 cb->seq = rdev->bss_generation;
9385
48ab905d 9386 list_for_each_entry(scan, &rdev->bss_list, list) {
2a519311
JB		 9387 if (++idx <= start)
9388 continue;
9720bb3a 9389 if (nl80211_send_bss(skb, cb,
2a519311 9390 cb->nlh->nlmsg_seq, NLM_F_MULTI,
48ab905d 9391 rdev, wdev, scan) < 0) {
2a519311 9392 idx--;
67748893 9393 break;
2a519311
JB		 9394 }
9395 }
9396
48ab905d
JB		 9397 spin_unlock_bh(&rdev->bss_lock);
9398 wdev_unlock(wdev);
2a519311 9399
97990a06 9400 cb->args[2] = idx;
ea90e0dc 9401 rtnl_unlock();
2a519311 9402
67748893 9403 return skb->len;
2a519311
JB		 9404}
9405
15e47304 9406static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq,
11f78ac3
JB		 9407 int flags, struct net_device *dev,
9408 bool allow_radio_stats,
9409 struct survey_info *survey)
61fa713c
HS		 9410{
9411 void *hdr;
9412 struct nlattr *infoattr;
9413
11f78ac3
JB		 9414 /* skip radio stats if userspace didn't request them */
9415 if (!survey->channel && !allow_radio_stats)
9416 return 0;
9417
15e47304 9418 hdr = nl80211hdr_put(msg, portid, seq, flags,
61fa713c
HS		 9419 NL80211_CMD_NEW_SURVEY_RESULTS);
9420 if (!hdr)
9421 return -ENOMEM;
9422
9360ffd1
DM		 9423 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
9424 goto nla_put_failure;
61fa713c 9425
ae0be8de 9426 infoattr = nla_nest_start_noflag(msg, NL80211_ATTR_SURVEY_INFO);
61fa713c
HS		 9427 if (!infoattr)
9428 goto nla_put_failure;
9429
11f78ac3
JB		 9430 if (survey->channel &&
9431 nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY,
9360ffd1
DM		 9432 survey->channel->center_freq))
9433 goto nla_put_failure;
58ef7c1b
TP		 9434
9435 if (survey->channel && survey->channel->freq_offset &&
9436 nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY_OFFSET,
9437 survey->channel->freq_offset))
9438 goto nla_put_failure;
9360ffd1
DM		 9439
9440 if ((survey->filled & SURVEY_INFO_NOISE_DBM) &&
9441 nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise))
9442 goto nla_put_failure;
9443 if ((survey->filled & SURVEY_INFO_IN_USE) &&
9444 nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE))
9445 goto nla_put_failure;
4ed20beb 9446 if ((survey->filled & SURVEY_INFO_TIME) &&
2dad624e
ND		 9447 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME,
9448 survey->time, NL80211_SURVEY_INFO_PAD))
9360ffd1 9449 goto nla_put_failure;
4ed20beb 9450 if ((survey->filled & SURVEY_INFO_TIME_BUSY) &&
2dad624e
ND		 9451 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BUSY,
9452 survey->time_busy, NL80211_SURVEY_INFO_PAD))
9360ffd1 9453 goto nla_put_failure;
4ed20beb 9454 if ((survey->filled & SURVEY_INFO_TIME_EXT_BUSY) &&
2dad624e
ND		 9455 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_EXT_BUSY,
9456 survey->time_ext_busy, NL80211_SURVEY_INFO_PAD))
9360ffd1 9457 goto nla_put_failure;
4ed20beb 9458 if ((survey->filled & SURVEY_INFO_TIME_RX) &&
2dad624e
ND		 9459 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_RX,
9460 survey->time_rx, NL80211_SURVEY_INFO_PAD))
9360ffd1 9461 goto nla_put_failure;
4ed20beb 9462 if ((survey->filled & SURVEY_INFO_TIME_TX) &&
2dad624e
ND		 9463 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_TX,
9464 survey->time_tx, NL80211_SURVEY_INFO_PAD))
9360ffd1 9465 goto nla_put_failure;
052536ab 9466 if ((survey->filled & SURVEY_INFO_TIME_SCAN) &&
2dad624e
ND		 9467 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_SCAN,
9468 survey->time_scan, NL80211_SURVEY_INFO_PAD))
052536ab 9469 goto nla_put_failure;
c8cd6e7f
FF		 9470 if ((survey->filled & SURVEY_INFO_TIME_BSS_RX) &&
9471 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BSS_RX,
9472 survey->time_bss_rx, NL80211_SURVEY_INFO_PAD))
9473 goto nla_put_failure;
61fa713c
HS		 9474
9475 nla_nest_end(msg, infoattr);
9476
053c095a
JB		 9477 genlmsg_end(msg, hdr);
9478 return 0;
61fa713c
HS		 9479
9480 nla_put_failure:
9481 genlmsg_cancel(msg, hdr);
9482 return -EMSGSIZE;
9483}
9484
11f78ac3 9485static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb)
61fa713c 9486{
50508d94 9487 struct nlattr **attrbuf;
61fa713c 9488 struct survey_info survey;
1b8ec87a 9489 struct cfg80211_registered_device *rdev;
97990a06
JB		 9490 struct wireless_dev *wdev;
9491 int survey_idx = cb->args[2];
61fa713c 9492 int res;
11f78ac3 9493 bool radio_stats;
61fa713c 9494
50508d94
JB		 9495 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf), GFP_KERNEL);
9496 if (!attrbuf)
9497 return -ENOMEM;
9498
ea90e0dc 9499 rtnl_lock();
5297c65c 9500 res = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
67748893 9501 if (res)
ea90e0dc 9502 goto out_err;
61fa713c 9503
11f78ac3 9504 /* prepare_wdev_dump parsed the attributes */
c90c39da 9505 radio_stats = attrbuf[NL80211_ATTR_SURVEY_RADIO_STATS];
11f78ac3 9506
97990a06
JB		 9507 if (!wdev->netdev) {
9508 res = -EINVAL;
9509 goto out_err;
9510 }
9511
1b8ec87a 9512 if (!rdev->ops->dump_survey) {
61fa713c
HS		 9513 res = -EOPNOTSUPP;
9514 goto out_err;
9515 }
9516
9517 while (1) {
1b8ec87a 9518 res = rdev_dump_survey(rdev, wdev->netdev, survey_idx, &survey);
61fa713c
HS		 9519 if (res == -ENOENT)
9520 break;
9521 if (res)
9522 goto out_err;
9523
11f78ac3
JB		 9524 /* don't send disabled channels, but do send non-channel data */
9525 if (survey.channel &&
9526 survey.channel->flags & IEEE80211_CHAN_DISABLED) {
180cdc79
LR		 9527 survey_idx++;
9528 continue;
9529 }
9530
61fa713c 9531 if (nl80211_send_survey(skb,
15e47304 9532 NETLINK_CB(cb->skb).portid,
61fa713c 9533 cb->nlh->nlmsg_seq, NLM_F_MULTI,
11f78ac3 9534 wdev->netdev, radio_stats, &survey) < 0)
61fa713c
HS		 9535 goto out;
9536 survey_idx++;
9537 }
9538
9539 out:
97990a06 9540 cb->args[2] = survey_idx;
61fa713c
HS		 9541 res = skb->len;
9542 out_err:
50508d94 9543 kfree(attrbuf);
ea90e0dc 9544 rtnl_unlock();
61fa713c
HS		 9545 return res;
9546}
9547
b23aa676
SO		 9548static bool nl80211_valid_wpa_versions(u32 wpa_versions)
9549{
9550 return !(wpa_versions & ~(NL80211_WPA_VERSION_1 |
cc3e14c2
CHH		 9551 NL80211_WPA_VERSION_2 |
9552 NL80211_WPA_VERSION_3));
b23aa676
SO		 9553}
9554
636a5d36
JM		 9555static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
9556{
4c476991
JB		 9557 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9558 struct net_device *dev = info->user_ptr[1];
19957bb3 9559 struct ieee80211_channel *chan;
11b6b5a4
JM		 9560 const u8 *bssid, *ssid, *ie = NULL, *auth_data = NULL;
9561 int err, ssid_len, ie_len = 0, auth_data_len = 0;
19957bb3 9562 enum nl80211_auth_type auth_type;
fffd0934 9563 struct key_parse key;
d5cdfacb 9564 bool local_state_change;
942ba88b 9565 u32 freq;
636a5d36 9566
f4a11bb0
JB		 9567 if (!info->attrs[NL80211_ATTR_MAC])
9568 return -EINVAL;
9569
1778092e
JM		 9570 if (!info->attrs[NL80211_ATTR_AUTH_TYPE])
9571 return -EINVAL;
9572
19957bb3
JB		 9573 if (!info->attrs[NL80211_ATTR_SSID])
9574 return -EINVAL;
9575
9576 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
9577 return -EINVAL;
9578
fffd0934
JB		 9579 err = nl80211_parse_key(info, &key);
9580 if (err)
9581 return err;
9582
9583 if (key.idx >= 0) {
e31b8213
JB		 9584 if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP)
9585 return -EINVAL;
fffd0934
JB		 9586 if (!key.p.key || !key.p.key_len)
9587 return -EINVAL;
9588 if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 ||
9589 key.p.key_len != WLAN_KEY_LEN_WEP40) &&
9590 (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 ||
9591 key.p.key_len != WLAN_KEY_LEN_WEP104))
9592 return -EINVAL;
b6b5555b 9593 if (key.idx > 3)
fffd0934
JB		 9594 return -EINVAL;
9595 } else {
9596 key.p.key_len = 0;
9597 key.p.key = NULL;
9598 }
9599
afea0b7a
JB		 9600 if (key.idx >= 0) {
9601 int i;
9602 bool ok = false;
7a087e74 9603
afea0b7a
JB		 9604 for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) {
9605 if (key.p.cipher == rdev->wiphy.cipher_suites[i]) {
9606 ok = true;
9607 break;
9608 }
9609 }
4c476991
JB		 9610 if (!ok)
9611 return -EINVAL;
afea0b7a
JB		 9612 }
9613
4c476991
JB		 9614 if (!rdev->ops->auth)
9615 return -EOPNOTSUPP;
636a5d36 9616
074ac8df 9617 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 9618 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9619 return -EOPNOTSUPP;
eec60b03 9620
19957bb3 9621 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
942ba88b
TP		 9622 freq = MHZ_TO_KHZ(nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
9623 if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
9624 freq +=
9625 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
9626
9627 chan = nl80211_get_valid_chan(&rdev->wiphy, freq);
664834de 9628 if (!chan)
4c476991 9629 return -EINVAL;
636a5d36 9630
19957bb3
JB		 9631 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
9632 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
636a5d36
JM		 9633
9634 if (info->attrs[NL80211_ATTR_IE]) {
19957bb3
JB		 9635 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9636 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
636a5d36
JM		 9637 }
9638
19957bb3 9639 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
e39e5b5e 9640 if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE))
4c476991 9641 return -EINVAL;
636a5d36 9642
63181060
JM		 9643 if ((auth_type == NL80211_AUTHTYPE_SAE ||
9644 auth_type == NL80211_AUTHTYPE_FILS_SK ||
9645 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
9646 auth_type == NL80211_AUTHTYPE_FILS_PK) &&
11b6b5a4 9647 !info->attrs[NL80211_ATTR_AUTH_DATA])
e39e5b5e
JM		 9648 return -EINVAL;
9649
11b6b5a4 9650 if (info->attrs[NL80211_ATTR_AUTH_DATA]) {
63181060
JM		 9651 if (auth_type != NL80211_AUTHTYPE_SAE &&
9652 auth_type != NL80211_AUTHTYPE_FILS_SK &&
9653 auth_type != NL80211_AUTHTYPE_FILS_SK_PFS &&
9654 auth_type != NL80211_AUTHTYPE_FILS_PK)
e39e5b5e 9655 return -EINVAL;
11b6b5a4
JM		 9656 auth_data = nla_data(info->attrs[NL80211_ATTR_AUTH_DATA]);
9657 auth_data_len = nla_len(info->attrs[NL80211_ATTR_AUTH_DATA]);
e39e5b5e
JM		 9658 }
9659
d5cdfacb
JM		 9660 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
9661
95de817b
JB		 9662 /*
9663 * Since we no longer track auth state, ignore
9664 * requests to only change local state.
9665 */
9666 if (local_state_change)
9667 return 0;
9668
91bf9b26
JB		 9669 wdev_lock(dev->ieee80211_ptr);
9670 err = cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid,
9671 ssid, ssid_len, ie, ie_len,
9672 key.p.key, key.p.key_len, key.idx,
11b6b5a4 9673 auth_data, auth_data_len);
91bf9b26
JB		 9674 wdev_unlock(dev->ieee80211_ptr);
9675 return err;
636a5d36
JM		 9676}
9677
64bf3d4b
DK		 9678static int validate_pae_over_nl80211(struct cfg80211_registered_device *rdev,
9679 struct genl_info *info)
9680{
9681 if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
9682 GENL_SET_ERR_MSG(info, "SOCKET_OWNER not set");
9683 return -EINVAL;
9684 }
9685
9686 if (!rdev->ops->tx_control_port ||
9687 !wiphy_ext_feature_isset(&rdev->wiphy,
9688 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
9689 return -EOPNOTSUPP;
9690
9691 return 0;
9692}
9693
c0692b8f
JB		 9694static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
9695 struct genl_info *info,
3dc27d25
JB		 9696 struct cfg80211_crypto_settings *settings,
9697 int cipher_limit)
b23aa676 9698{
c0b2bbd8
JB		 9699 memset(settings, 0, sizeof(*settings));
9700
b23aa676
SO		 9701 settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT];
9702
c0692b8f
JB		 9703 if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
9704 u16 proto;
7a087e74 9705
c0692b8f
JB		 9706 proto = nla_get_u16(
9707 info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
9708 settings->control_port_ethertype = cpu_to_be16(proto);
9709 if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
9710 proto != ETH_P_PAE)
9711 return -EINVAL;
9712 if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT])
9713 settings->control_port_no_encrypt = true;
9714 } else
9715 settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE);
9716
64bf3d4b
DK		 9717 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
9718 int r = validate_pae_over_nl80211(rdev, info);
9719
9720 if (r < 0)
9721 return r;
9722
9723 settings->control_port_over_nl80211 = true;
7f3f96ce
MT		 9724
9725 if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_PREAUTH])
9726 settings->control_port_no_preauth = true;
64bf3d4b
DK		 9727 }
9728
b23aa676
SO		 9729 if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) {
9730 void *data;
9731 int len, i;
9732
9733 data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
9734 len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
9735 settings->n_ciphers_pairwise = len / sizeof(u32);
9736
9737 if (len % sizeof(u32))
9738 return -EINVAL;
9739
3dc27d25 9740 if (settings->n_ciphers_pairwise > cipher_limit)
b23aa676
SO		 9741 return -EINVAL;
9742
9743 memcpy(settings->ciphers_pairwise, data, len);
9744
9745 for (i = 0; i < settings->n_ciphers_pairwise; i++)
38ba3c57
JM		 9746 if (!cfg80211_supported_cipher_suite(
9747 &rdev->wiphy,
b23aa676
SO		 9748 settings->ciphers_pairwise[i]))
9749 return -EINVAL;
9750 }
9751
9752 if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) {
9753 settings->cipher_group =
9754 nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]);
38ba3c57
JM		 9755 if (!cfg80211_supported_cipher_suite(&rdev->wiphy,
9756 settings->cipher_group))
b23aa676
SO		 9757 return -EINVAL;
9758 }
9759
9760 if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) {
9761 settings->wpa_versions =
9762 nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]);
9763 if (!nl80211_valid_wpa_versions(settings->wpa_versions))
9764 return -EINVAL;
9765 }
9766
9767 if (info->attrs[NL80211_ATTR_AKM_SUITES]) {
9768 void *data;
6d30240e 9769 int len;
b23aa676
SO		 9770
9771 data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]);
9772 len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]);
9773 settings->n_akm_suites = len / sizeof(u32);
9774
9775 if (len % sizeof(u32))
9776 return -EINVAL;
9777
1b9ca027
JM		 9778 if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES)
9779 return -EINVAL;
9780
b23aa676 9781 memcpy(settings->akm_suites, data, len);
b23aa676
SO		 9782 }
9783
91b5ab62
EP		 9784 if (info->attrs[NL80211_ATTR_PMK]) {
9785 if (nla_len(info->attrs[NL80211_ATTR_PMK]) != WLAN_PMK_LEN)
9786 return -EINVAL;
9787 if (!wiphy_ext_feature_isset(&rdev->wiphy,
f9662274
CHH		 9788 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_PSK) &&
9789 !wiphy_ext_feature_isset(&rdev->wiphy,
9790 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_AP_PSK))
91b5ab62
EP		 9791 return -EINVAL;
9792 settings->psk = nla_data(info->attrs[NL80211_ATTR_PMK]);
9793 }
9794
26f7044e
CHH		 9795 if (info->attrs[NL80211_ATTR_SAE_PASSWORD]) {
9796 if (!wiphy_ext_feature_isset(&rdev->wiphy,
2831a631
CHH		 9797 NL80211_EXT_FEATURE_SAE_OFFLOAD) &&
9798 !wiphy_ext_feature_isset(&rdev->wiphy,
9799 NL80211_EXT_FEATURE_SAE_OFFLOAD_AP))
26f7044e
CHH		 9800 return -EINVAL;
9801 settings->sae_pwd =
9802 nla_data(info->attrs[NL80211_ATTR_SAE_PASSWORD]);
9803 settings->sae_pwd_len =
9804 nla_len(info->attrs[NL80211_ATTR_SAE_PASSWORD]);
9805 }
9806
9f0ffa41
RD		 9807 if (info->attrs[NL80211_ATTR_SAE_PWE])
9808 settings->sae_pwe =
9809 nla_get_u8(info->attrs[NL80211_ATTR_SAE_PWE]);
9810 else
9811 settings->sae_pwe = NL80211_SAE_PWE_UNSPECIFIED;
9812
b23aa676
SO		 9813 return 0;
9814}
9815
636a5d36
JM		 9816static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
9817{
4c476991
JB		 9818 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9819 struct net_device *dev = info->user_ptr[1];
f444de05 9820 struct ieee80211_channel *chan;
f62fab73
JB		 9821 struct cfg80211_assoc_request req = {};
9822 const u8 *bssid, *ssid;
9823 int err, ssid_len = 0;
942ba88b 9824 u32 freq;
636a5d36 9825
bad29297
AZ		 9826 if (dev->ieee80211_ptr->conn_owner_nlportid &&
9827 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
9828 return -EPERM;
9829
f4a11bb0 9830 if (!info->attrs[NL80211_ATTR_MAC] ||
19957bb3
JB		 9831 !info->attrs[NL80211_ATTR_SSID] ||
9832 !info->attrs[NL80211_ATTR_WIPHY_FREQ])
f4a11bb0
JB		 9833 return -EINVAL;
9834
4c476991
JB		 9835 if (!rdev->ops->assoc)
9836 return -EOPNOTSUPP;
636a5d36 9837
074ac8df 9838 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 9839 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9840 return -EOPNOTSUPP;
eec60b03 9841
19957bb3 9842 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
636a5d36 9843
942ba88b
TP		 9844 freq = MHZ_TO_KHZ(nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
9845 if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
9846 freq +=
9847 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
9848 chan = nl80211_get_valid_chan(&rdev->wiphy, freq);
664834de 9849 if (!chan)
4c476991 9850 return -EINVAL;
636a5d36 9851
19957bb3
JB		 9852 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
9853 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
636a5d36
JM		 9854
9855 if (info->attrs[NL80211_ATTR_IE]) {
f62fab73
JB		 9856 req.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9857 req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
636a5d36
JM		 9858 }
9859
dc6382ce 9860 if (info->attrs[NL80211_ATTR_USE_MFP]) {
4f5dadce 9861 enum nl80211_mfp mfp =
dc6382ce 9862 nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
4f5dadce 9863 if (mfp == NL80211_MFP_REQUIRED)
f62fab73 9864 req.use_mfp = true;
4c476991
JB		 9865 else if (mfp != NL80211_MFP_NO)
9866 return -EINVAL;
dc6382ce
JM		 9867 }
9868
3e5d7649 9869 if (info->attrs[NL80211_ATTR_PREV_BSSID])
f62fab73 9870 req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
3e5d7649 9871
7e7c8926 9872 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
f62fab73 9873 req.flags |= ASSOC_REQ_DISABLE_HT;
7e7c8926
BG		 9874
9875 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
f62fab73
JB		 9876 memcpy(&req.ht_capa_mask,
9877 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
9878 sizeof(req.ht_capa_mask));
7e7c8926
BG		 9879
9880 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
f62fab73 9881 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
7e7c8926 9882 return -EINVAL;
f62fab73
JB		 9883 memcpy(&req.ht_capa,
9884 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
9885 sizeof(req.ht_capa));
7e7c8926
BG		 9886 }
9887
ee2aca34 9888 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
f62fab73 9889 req.flags |= ASSOC_REQ_DISABLE_VHT;
ee2aca34
JB		 9890
9891 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
f62fab73
JB		 9892 memcpy(&req.vht_capa_mask,
9893 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
9894 sizeof(req.vht_capa_mask));
ee2aca34
JB		 9895
9896 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
f62fab73 9897 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
ee2aca34 9898 return -EINVAL;
f62fab73
JB		 9899 memcpy(&req.vht_capa,
9900 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
9901 sizeof(req.vht_capa));
ee2aca34
JB		 9902 }
9903
bab5ab7d 9904 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
0c9ca11b
BL		 9905 if (!((rdev->wiphy.features &
9906 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
9907 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
9908 !wiphy_ext_feature_isset(&rdev->wiphy,
9909 NL80211_EXT_FEATURE_RRM))
bab5ab7d
AK		 9910 return -EINVAL;
9911 req.flags |= ASSOC_REQ_USE_RRM;
9912 }
9913
348bd456
JM		 9914 if (info->attrs[NL80211_ATTR_FILS_KEK]) {
9915 req.fils_kek = nla_data(info->attrs[NL80211_ATTR_FILS_KEK]);
9916 req.fils_kek_len = nla_len(info->attrs[NL80211_ATTR_FILS_KEK]);
9917 if (!info->attrs[NL80211_ATTR_FILS_NONCES])
9918 return -EINVAL;
9919 req.fils_nonces =
9920 nla_data(info->attrs[NL80211_ATTR_FILS_NONCES]);
9921 }
9922
d2b7588a
TP		 9923 if (info->attrs[NL80211_ATTR_S1G_CAPABILITY_MASK]) {
9924 if (!info->attrs[NL80211_ATTR_S1G_CAPABILITY])
9925 return -EINVAL;
9926 memcpy(&req.s1g_capa_mask,
9927 nla_data(info->attrs[NL80211_ATTR_S1G_CAPABILITY_MASK]),
9928 sizeof(req.s1g_capa_mask));
9929 }
9930
9931 if (info->attrs[NL80211_ATTR_S1G_CAPABILITY]) {
9932 if (!info->attrs[NL80211_ATTR_S1G_CAPABILITY_MASK])
9933 return -EINVAL;
9934 memcpy(&req.s1g_capa,
9935 nla_data(info->attrs[NL80211_ATTR_S1G_CAPABILITY]),
9936 sizeof(req.s1g_capa));
9937 }
9938
f62fab73 9939 err = nl80211_crypto_settings(rdev, info, &req.crypto, 1);
91bf9b26
JB		 9940 if (!err) {
9941 wdev_lock(dev->ieee80211_ptr);
bd2522b1 9942
f62fab73
JB		 9943 err = cfg80211_mlme_assoc(rdev, dev, chan, bssid,
9944 ssid, ssid_len, &req);
bd2522b1
AZ		 9945
9946 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
9947 dev->ieee80211_ptr->conn_owner_nlportid =
9948 info->snd_portid;
9949 memcpy(dev->ieee80211_ptr->disconnect_bssid,
9950 bssid, ETH_ALEN);
9951 }
9952
91bf9b26
JB		 9953 wdev_unlock(dev->ieee80211_ptr);
9954 }
636a5d36 9955
636a5d36
JM		 9956 return err;
9957}
9958
9959static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
9960{
4c476991
JB		 9961 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9962 struct net_device *dev = info->user_ptr[1];
19957bb3 9963 const u8 *ie = NULL, *bssid;
91bf9b26 9964 int ie_len = 0, err;
19957bb3 9965 u16 reason_code;
d5cdfacb 9966 bool local_state_change;
636a5d36 9967
bad29297
AZ		 9968 if (dev->ieee80211_ptr->conn_owner_nlportid &&
9969 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
9970 return -EPERM;
9971
f4a11bb0
JB		 9972 if (!info->attrs[NL80211_ATTR_MAC])
9973 return -EINVAL;
9974
9975 if (!info->attrs[NL80211_ATTR_REASON_CODE])
9976 return -EINVAL;
9977
4c476991
JB		 9978 if (!rdev->ops->deauth)
9979 return -EOPNOTSUPP;
636a5d36 9980
074ac8df 9981 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 9982 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
9983 return -EOPNOTSUPP;
eec60b03 9984
19957bb3 9985 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
636a5d36 9986
19957bb3
JB		 9987 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
9988 if (reason_code == 0) {
f4a11bb0 9989 /* Reason Code 0 is reserved */
4c476991 9990 return -EINVAL;
255e737e 9991 }
636a5d36
JM		 9992
9993 if (info->attrs[NL80211_ATTR_IE]) {
19957bb3
JB		 9994 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9995 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
636a5d36
JM		 9996 }
9997
d5cdfacb
JM		 9998 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
9999
91bf9b26
JB		 10000 wdev_lock(dev->ieee80211_ptr);
10001 err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code,
10002 local_state_change);
10003 wdev_unlock(dev->ieee80211_ptr);
10004 return err;
636a5d36
JM		 10005}
10006
10007static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
10008{
4c476991
JB		 10009 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10010 struct net_device *dev = info->user_ptr[1];
19957bb3 10011 const u8 *ie = NULL, *bssid;
91bf9b26 10012 int ie_len = 0, err;
19957bb3 10013 u16 reason_code;
d5cdfacb 10014 bool local_state_change;
636a5d36 10015
bad29297
AZ		 10016 if (dev->ieee80211_ptr->conn_owner_nlportid &&
10017 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
10018 return -EPERM;
10019
f4a11bb0
JB		 10020 if (!info->attrs[NL80211_ATTR_MAC])
10021 return -EINVAL;
10022
10023 if (!info->attrs[NL80211_ATTR_REASON_CODE])
10024 return -EINVAL;
10025
4c476991
JB		 10026 if (!rdev->ops->disassoc)
10027 return -EOPNOTSUPP;
636a5d36 10028
074ac8df 10029 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 10030 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10031 return -EOPNOTSUPP;
eec60b03 10032
19957bb3 10033 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
636a5d36 10034
19957bb3
JB		 10035 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
10036 if (reason_code == 0) {
f4a11bb0 10037 /* Reason Code 0 is reserved */
4c476991 10038 return -EINVAL;
255e737e 10039 }
636a5d36
JM		 10040
10041 if (info->attrs[NL80211_ATTR_IE]) {
19957bb3
JB		 10042 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10043 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
636a5d36
JM		 10044 }
10045
d5cdfacb
JM		 10046 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
10047
91bf9b26
JB		 10048 wdev_lock(dev->ieee80211_ptr);
10049 err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code,
10050 local_state_change);
10051 wdev_unlock(dev->ieee80211_ptr);
10052 return err;
636a5d36
JM		 10053}
10054
dd5b4cc7
FF		 10055static bool
10056nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev,
57fbcce3 10057 int mcast_rate[NUM_NL80211_BANDS],
dd5b4cc7
FF		 10058 int rateval)
10059{
10060 struct wiphy *wiphy = &rdev->wiphy;
10061 bool found = false;
10062 int band, i;
10063
57fbcce3 10064 for (band = 0; band < NUM_NL80211_BANDS; band++) {
dd5b4cc7
FF		 10065 struct ieee80211_supported_band *sband;
10066
10067 sband = wiphy->bands[band];
10068 if (!sband)
10069 continue;
10070
10071 for (i = 0; i < sband->n_bitrates; i++) {
10072 if (sband->bitrates[i].bitrate == rateval) {
10073 mcast_rate[band] = i + 1;
10074 found = true;
10075 break;
10076 }
10077 }
10078 }
10079
10080 return found;
10081}
10082
04a773ad
JB		 10083static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
10084{
4c476991
JB		 10085 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10086 struct net_device *dev = info->user_ptr[1];
04a773ad
JB		 10087 struct cfg80211_ibss_params ibss;
10088 struct wiphy *wiphy;
fffd0934 10089 struct cfg80211_cached_keys *connkeys = NULL;
04a773ad
JB		 10090 int err;
10091
8e30bc55
JB		 10092 memset(&ibss, 0, sizeof(ibss));
10093
683b6d3b 10094 if (!info->attrs[NL80211_ATTR_SSID] ||
04a773ad
JB		 10095 !nla_len(info->attrs[NL80211_ATTR_SSID]))
10096 return -EINVAL;
10097
8e30bc55
JB		 10098 ibss.beacon_interval = 100;
10099
12d20fc9 10100 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL])
8e30bc55
JB		 10101 ibss.beacon_interval =
10102 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
12d20fc9 10103
0c317a02
PK		 10104 err = cfg80211_validate_beacon_int(rdev, NL80211_IFTYPE_ADHOC,
10105 ibss.beacon_interval);
12d20fc9
PK		 10106 if (err)
10107 return err;
8e30bc55 10108
4c476991
JB		 10109 if (!rdev->ops->join_ibss)
10110 return -EOPNOTSUPP;
04a773ad 10111
4c476991
JB		 10112 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
10113 return -EOPNOTSUPP;
04a773ad 10114
79c97e97 10115 wiphy = &rdev->wiphy;
04a773ad 10116
39193498 10117 if (info->attrs[NL80211_ATTR_MAC]) {
04a773ad 10118 ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
39193498
JB		 10119
10120 if (!is_valid_ether_addr(ibss.bssid))
10121 return -EINVAL;
10122 }
04a773ad
JB		 10123 ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
10124 ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
10125
10126 if (info->attrs[NL80211_ATTR_IE]) {
10127 ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10128 ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
10129 }
10130
683b6d3b
JB		 10131 err = nl80211_parse_chandef(rdev, info, &ibss.chandef);
10132 if (err)
10133 return err;
04a773ad 10134
174e0cd2
IP		 10135 if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef,
10136 NL80211_IFTYPE_ADHOC))
54858ee5
AS		 10137 return -EINVAL;
10138
2f301ab2 10139 switch (ibss.chandef.width) {
bf372645
SW		 10140 case NL80211_CHAN_WIDTH_5:
10141 case NL80211_CHAN_WIDTH_10:
2f301ab2
SW		 10142 case NL80211_CHAN_WIDTH_20_NOHT:
10143 break;
10144 case NL80211_CHAN_WIDTH_20:
10145 case NL80211_CHAN_WIDTH_40:
ffc11991
JD		 10146 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
10147 return -EINVAL;
10148 break;
10149 case NL80211_CHAN_WIDTH_80:
10150 case NL80211_CHAN_WIDTH_80P80:
10151 case NL80211_CHAN_WIDTH_160:
10152 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
10153 return -EINVAL;
10154 if (!wiphy_ext_feature_isset(&rdev->wiphy,
10155 NL80211_EXT_FEATURE_VHT_IBSS))
10156 return -EINVAL;
10157 break;
2f301ab2 10158 default:
c04d6150 10159 return -EINVAL;
2f301ab2 10160 }
db9c64cf 10161
04a773ad 10162 ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED];
fffd0934
JB		 10163 ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
10164
fbd2c8dc
TP		 10165 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
10166 u8 *rates =
10167 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
10168 int n_rates =
10169 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
10170 struct ieee80211_supported_band *sband =
683b6d3b 10171 wiphy->bands[ibss.chandef.chan->band];
fbd2c8dc 10172
34850ab2
JB		 10173 err = ieee80211_get_ratemask(sband, rates, n_rates,
10174 &ibss.basic_rates);
10175 if (err)
10176 return err;
fbd2c8dc 10177 }
dd5b4cc7 10178
803768f5
SW		 10179 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
10180 memcpy(&ibss.ht_capa_mask,
10181 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
10182 sizeof(ibss.ht_capa_mask));
10183
10184 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
10185 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
10186 return -EINVAL;
10187 memcpy(&ibss.ht_capa,
10188 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
10189 sizeof(ibss.ht_capa));
10190 }
10191
dd5b4cc7
FF		 10192 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
10193 !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate,
10194 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
10195 return -EINVAL;
fbd2c8dc 10196
4c476991 10197 if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) {
de7044ee
SM		 10198 bool no_ht = false;
10199
768075eb 10200 connkeys = nl80211_parse_connkeys(rdev, info, &no_ht);
4c476991
JB		 10201 if (IS_ERR(connkeys))
10202 return PTR_ERR(connkeys);
de7044ee 10203
3d9d1d66
JB		 10204 if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) &&
10205 no_ht) {
453431a5 10206 kfree_sensitive(connkeys);
de7044ee
SM		 10207 return -EINVAL;
10208 }
4c476991 10209 }
04a773ad 10210
267335d6
AQ		 10211 ibss.control_port =
10212 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]);
10213
c3bfe1f6
DK		 10214 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
10215 int r = validate_pae_over_nl80211(rdev, info);
10216
d350a0f4 10217 if (r < 0) {
453431a5 10218 kfree_sensitive(connkeys);
c3bfe1f6 10219 return r;
d350a0f4 10220 }
c3bfe1f6
DK		 10221
10222 ibss.control_port_over_nl80211 = true;
10223 }
10224
5336fa88
SW		 10225 ibss.userspace_handles_dfs =
10226 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
10227
f8d16d3e
DK		 10228 wdev_lock(dev->ieee80211_ptr);
10229 err = __cfg80211_join_ibss(rdev, dev, &ibss, connkeys);
fffd0934 10230 if (err)
453431a5 10231 kfree_sensitive(connkeys);
f8d16d3e
DK		 10232 else if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
10233 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
10234 wdev_unlock(dev->ieee80211_ptr);
10235
04a773ad
JB		 10236 return err;
10237}
10238
10239static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info)
10240{
4c476991
JB		 10241 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10242 struct net_device *dev = info->user_ptr[1];
04a773ad 10243
4c476991
JB		 10244 if (!rdev->ops->leave_ibss)
10245 return -EOPNOTSUPP;
04a773ad 10246
4c476991
JB		 10247 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
10248 return -EOPNOTSUPP;
04a773ad 10249
4c476991 10250 return cfg80211_leave_ibss(rdev, dev, false);
04a773ad
JB		 10251}
10252
f4e583c8
AQ		 10253static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info)
10254{
10255 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10256 struct net_device *dev = info->user_ptr[1];
57fbcce3 10257 int mcast_rate[NUM_NL80211_BANDS];
f4e583c8
AQ		 10258 u32 nla_rate;
10259 int err;
10260
10261 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
876dc930
BVB		 10262 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
10263 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB)
f4e583c8
AQ		 10264 return -EOPNOTSUPP;
10265
10266 if (!rdev->ops->set_mcast_rate)
10267 return -EOPNOTSUPP;
10268
10269 memset(mcast_rate, 0, sizeof(mcast_rate));
10270
10271 if (!info->attrs[NL80211_ATTR_MCAST_RATE])
10272 return -EINVAL;
10273
10274 nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]);
10275 if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate))
10276 return -EINVAL;
10277
a1056b1b 10278 err = rdev_set_mcast_rate(rdev, dev, mcast_rate);
f4e583c8
AQ		 10279
10280 return err;
10281}
10282
ad7e718c
JB		 10283static struct sk_buff *
10284__cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev,
6c09e791
AK		 10285 struct wireless_dev *wdev, int approxlen,
10286 u32 portid, u32 seq, enum nl80211_commands cmd,
567ffc35
JB		 10287 enum nl80211_attrs attr,
10288 const struct nl80211_vendor_cmd_info *info,
10289 gfp_t gfp)
ad7e718c
JB		 10290{
10291 struct sk_buff *skb;
10292 void *hdr;
10293 struct nlattr *data;
10294
10295 skb = nlmsg_new(approxlen + 100, gfp);
10296 if (!skb)
10297 return NULL;
10298
10299 hdr = nl80211hdr_put(skb, portid, seq, 0, cmd);
10300 if (!hdr) {
10301 kfree_skb(skb);
10302 return NULL;
10303 }
10304
10305 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
10306 goto nla_put_failure;
567ffc35
JB		 10307
10308 if (info) {
10309 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_ID,
10310 info->vendor_id))
10311 goto nla_put_failure;
10312 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_SUBCMD,
10313 info->subcmd))
10314 goto nla_put_failure;
10315 }
10316
6c09e791 10317 if (wdev) {
2dad624e
ND		 10318 if (nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
10319 wdev_id(wdev), NL80211_ATTR_PAD))
6c09e791
AK		 10320 goto nla_put_failure;
10321 if (wdev->netdev &&
10322 nla_put_u32(skb, NL80211_ATTR_IFINDEX,
10323 wdev->netdev->ifindex))
10324 goto nla_put_failure;
10325 }
10326
ae0be8de 10327 data = nla_nest_start_noflag(skb, attr);
76e1fb4b
JB		 10328 if (!data)
10329 goto nla_put_failure;
ad7e718c
JB		 10330
10331 ((void **)skb->cb)[0] = rdev;
10332 ((void **)skb->cb)[1] = hdr;
10333 ((void **)skb->cb)[2] = data;
10334
10335 return skb;
10336
10337 nla_put_failure:
10338 kfree_skb(skb);
10339 return NULL;
10340}
f4e583c8 10341
e03ad6ea 10342struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy,
6c09e791 10343 struct wireless_dev *wdev,
e03ad6ea
JB		 10344 enum nl80211_commands cmd,
10345 enum nl80211_attrs attr,
55c1fdf0 10346 unsigned int portid,
e03ad6ea
JB		 10347 int vendor_event_idx,
10348 int approxlen, gfp_t gfp)
10349{
f26cbf40 10350 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
e03ad6ea
JB		 10351 const struct nl80211_vendor_cmd_info *info;
10352
10353 switch (cmd) {
10354 case NL80211_CMD_TESTMODE:
10355 if (WARN_ON(vendor_event_idx != -1))
10356 return NULL;
10357 info = NULL;
10358 break;
10359 case NL80211_CMD_VENDOR:
10360 if (WARN_ON(vendor_event_idx < 0 ||
10361 vendor_event_idx >= wiphy->n_vendor_events))
10362 return NULL;
10363 info = &wiphy->vendor_events[vendor_event_idx];
10364 break;
10365 default:
10366 WARN_ON(1);
10367 return NULL;
10368 }
10369
55c1fdf0 10370 return __cfg80211_alloc_vendor_skb(rdev, wdev, approxlen, portid, 0,
e03ad6ea
JB		 10371 cmd, attr, info, gfp);
10372}
10373EXPORT_SYMBOL(__cfg80211_alloc_event_skb);
10374
10375void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp)
10376{
10377 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
10378 void *hdr = ((void **)skb->cb)[1];
55c1fdf0 10379 struct nlmsghdr *nlhdr = nlmsg_hdr(skb);
e03ad6ea
JB		 10380 struct nlattr *data = ((void **)skb->cb)[2];
10381 enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE;
10382
bd8c78e7
JB		 10383 /* clear CB data for netlink core to own from now on */
10384 memset(skb->cb, 0, sizeof(skb->cb));
10385
e03ad6ea
JB		 10386 nla_nest_end(skb, data);
10387 genlmsg_end(skb, hdr);
10388
55c1fdf0
JB		 10389 if (nlhdr->nlmsg_pid) {
10390 genlmsg_unicast(wiphy_net(&rdev->wiphy), skb,
10391 nlhdr->nlmsg_pid);
10392 } else {
10393 if (data->nla_type == NL80211_ATTR_VENDOR_DATA)
10394 mcgrp = NL80211_MCGRP_VENDOR;
e03ad6ea 10395
55c1fdf0
JB		 10396 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
10397 skb, 0, mcgrp, gfp);
10398 }
e03ad6ea
JB		 10399}
10400EXPORT_SYMBOL(__cfg80211_send_event_skb);
10401
aff89a9b 10402#ifdef CONFIG_NL80211_TESTMODE
aff89a9b
JB		 10403static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info)
10404{
4c476991 10405 struct cfg80211_registered_device *rdev = info->user_ptr[0];
fc73f11f
DS		 10406 struct wireless_dev *wdev =
10407 __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs);
aff89a9b
JB		 10408 int err;
10409
fc73f11f
DS		 10410 if (!rdev->ops->testmode_cmd)
10411 return -EOPNOTSUPP;
10412
10413 if (IS_ERR(wdev)) {
10414 err = PTR_ERR(wdev);
10415 if (err != -EINVAL)
10416 return err;
10417 wdev = NULL;
10418 } else if (wdev->wiphy != &rdev->wiphy) {
10419 return -EINVAL;
10420 }
10421
aff89a9b
JB		 10422 if (!info->attrs[NL80211_ATTR_TESTDATA])
10423 return -EINVAL;
10424
ad7e718c 10425 rdev->cur_cmd_info = info;
fc73f11f 10426 err = rdev_testmode_cmd(rdev, wdev,
aff89a9b
JB		 10427 nla_data(info->attrs[NL80211_ATTR_TESTDATA]),
10428 nla_len(info->attrs[NL80211_ATTR_TESTDATA]));
ad7e718c 10429 rdev->cur_cmd_info = NULL;
aff89a9b 10430
aff89a9b
JB		 10431 return err;
10432}
10433
71063f0e
WYG		 10434static int nl80211_testmode_dump(struct sk_buff *skb,
10435 struct netlink_callback *cb)
10436{
00918d33 10437 struct cfg80211_registered_device *rdev;
50508d94 10438 struct nlattr **attrbuf = NULL;
71063f0e
WYG		 10439 int err;
10440 long phy_idx;
10441 void *data = NULL;
10442 int data_len = 0;
10443
5fe231e8
JB		 10444 rtnl_lock();
10445
71063f0e
WYG		 10446 if (cb->args[0]) {
10447 /*
10448 * 0 is a valid index, but not valid for args[0],
10449 * so we need to offset by 1.
10450 */
10451 phy_idx = cb->args[0] - 1;
a4956dca
LC		 10452
10453 rdev = cfg80211_rdev_by_wiphy_idx(phy_idx);
10454 if (!rdev) {
10455 err = -ENOENT;
10456 goto out_err;
10457 }
71063f0e 10458 } else {
50508d94
JB		 10459 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf),
10460 GFP_KERNEL);
10461 if (!attrbuf) {
10462 err = -ENOMEM;
10463 goto out_err;
10464 }
c90c39da 10465
8cb08174
JB		 10466 err = nlmsg_parse_deprecated(cb->nlh,
10467 GENL_HDRLEN + nl80211_fam.hdrsize,
10468 attrbuf, nl80211_fam.maxattr,
10469 nl80211_policy, NULL);
71063f0e 10470 if (err)
5fe231e8 10471 goto out_err;
00918d33 10472
c90c39da 10473 rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
2bd7e35d 10474 if (IS_ERR(rdev)) {
5fe231e8
JB		 10475 err = PTR_ERR(rdev);
10476 goto out_err;
00918d33 10477 }
2bd7e35d 10478 phy_idx = rdev->wiphy_idx;
2bd7e35d 10479
c90c39da
JB		 10480 if (attrbuf[NL80211_ATTR_TESTDATA])
10481 cb->args[1] = (long)attrbuf[NL80211_ATTR_TESTDATA];
71063f0e
WYG		 10482 }
10483
10484 if (cb->args[1]) {
10485 data = nla_data((void *)cb->args[1]);
10486 data_len = nla_len((void *)cb->args[1]);
10487 }
10488
00918d33 10489 if (!rdev->ops->testmode_dump) {
71063f0e
WYG		 10490 err = -EOPNOTSUPP;
10491 goto out_err;
10492 }
10493
10494 while (1) {
15e47304 10495 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
71063f0e
WYG		 10496 cb->nlh->nlmsg_seq, NLM_F_MULTI,
10497 NL80211_CMD_TESTMODE);
10498 struct nlattr *tmdata;
10499
cb35fba3
DC		 10500 if (!hdr)
10501 break;
10502
9360ffd1 10503 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) {
71063f0e
WYG		 10504 genlmsg_cancel(skb, hdr);
10505 break;
10506 }
10507
ae0be8de 10508 tmdata = nla_nest_start_noflag(skb, NL80211_ATTR_TESTDATA);
71063f0e
WYG		 10509 if (!tmdata) {
10510 genlmsg_cancel(skb, hdr);
10511 break;
10512 }
e35e4d28 10513 err = rdev_testmode_dump(rdev, skb, cb, data, data_len);
71063f0e
WYG		 10514 nla_nest_end(skb, tmdata);
10515
10516 if (err == -ENOBUFS || err == -ENOENT) {
10517 genlmsg_cancel(skb, hdr);
10518 break;
10519 } else if (err) {
10520 genlmsg_cancel(skb, hdr);
10521 goto out_err;
10522 }
10523
10524 genlmsg_end(skb, hdr);
10525 }
10526
10527 err = skb->len;
10528 /* see above */
10529 cb->args[0] = phy_idx + 1;
10530 out_err:
50508d94 10531 kfree(attrbuf);
5fe231e8 10532 rtnl_unlock();
71063f0e
WYG		 10533 return err;
10534}
aff89a9b
JB		 10535#endif
10536
b23aa676
SO		 10537static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
10538{
4c476991
JB		 10539 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10540 struct net_device *dev = info->user_ptr[1];
b23aa676
SO		 10541 struct cfg80211_connect_params connect;
10542 struct wiphy *wiphy;
fffd0934 10543 struct cfg80211_cached_keys *connkeys = NULL;
942ba88b 10544 u32 freq = 0;
b23aa676
SO		 10545 int err;
10546
10547 memset(&connect, 0, sizeof(connect));
10548
b23aa676
SO		 10549 if (!info->attrs[NL80211_ATTR_SSID] ||
10550 !nla_len(info->attrs[NL80211_ATTR_SSID]))
10551 return -EINVAL;
10552
10553 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
10554 connect.auth_type =
10555 nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
e39e5b5e
JM		 10556 if (!nl80211_valid_auth_type(rdev, connect.auth_type,
10557 NL80211_CMD_CONNECT))
b23aa676
SO		 10558 return -EINVAL;
10559 } else
10560 connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
10561
10562 connect.privacy = info->attrs[NL80211_ATTR_PRIVACY];
10563
3a00df57
AS		 10564 if (info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS] &&
10565 !wiphy_ext_feature_isset(&rdev->wiphy,
10566 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
10567 return -EINVAL;
10568 connect.want_1x = info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS];
10569
c0692b8f 10570 err = nl80211_crypto_settings(rdev, info, &connect.crypto,
3dc27d25 10571 NL80211_MAX_NR_CIPHER_SUITES);
b23aa676
SO		 10572 if (err)
10573 return err;
b23aa676 10574
074ac8df 10575 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 10576 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10577 return -EOPNOTSUPP;
b23aa676 10578
79c97e97 10579 wiphy = &rdev->wiphy;
b23aa676 10580
4486ea98
BS		 10581 connect.bg_scan_period = -1;
10582 if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] &&
10583 (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) {
10584 connect.bg_scan_period =
10585 nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]);
10586 }
10587
b23aa676
SO		 10588 if (info->attrs[NL80211_ATTR_MAC])
10589 connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
1df4a510
JM		 10590 else if (info->attrs[NL80211_ATTR_MAC_HINT])
10591 connect.bssid_hint =
10592 nla_data(info->attrs[NL80211_ATTR_MAC_HINT]);
b23aa676
SO		 10593 connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
10594 connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
10595
10596 if (info->attrs[NL80211_ATTR_IE]) {
10597 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10598 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
10599 }
10600
cee00a95
JM		 10601 if (info->attrs[NL80211_ATTR_USE_MFP]) {
10602 connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
65026002
EG		 10603 if (connect.mfp == NL80211_MFP_OPTIONAL &&
10604 !wiphy_ext_feature_isset(&rdev->wiphy,
10605 NL80211_EXT_FEATURE_MFP_OPTIONAL))
10606 return -EOPNOTSUPP;
cee00a95
JM		 10607 } else {
10608 connect.mfp = NL80211_MFP_NO;
10609 }
10610
ba6fbacf
JM		 10611 if (info->attrs[NL80211_ATTR_PREV_BSSID])
10612 connect.prev_bssid =
10613 nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
10614
942ba88b
TP		 10615 if (info->attrs[NL80211_ATTR_WIPHY_FREQ])
10616 freq = MHZ_TO_KHZ(nla_get_u32(
10617 info->attrs[NL80211_ATTR_WIPHY_FREQ]));
10618 if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
10619 freq +=
10620 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
10621
10622 if (freq) {
10623 connect.channel = nl80211_get_valid_chan(wiphy, freq);
664834de 10624 if (!connect.channel)
1df4a510
JM		 10625 return -EINVAL;
10626 } else if (info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]) {
942ba88b
TP		 10627 freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]);
10628 freq = MHZ_TO_KHZ(freq);
10629 connect.channel_hint = nl80211_get_valid_chan(wiphy, freq);
664834de 10630 if (!connect.channel_hint)
4c476991 10631 return -EINVAL;
b23aa676
SO		 10632 }
10633
2a38075c
AAL		 10634 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]) {
10635 connect.edmg.channels =
10636 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]);
10637
10638 if (info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG])
10639 connect.edmg.bw_config =
10640 nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG]);
10641 }
10642
fffd0934 10643 if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) {
768075eb 10644 connkeys = nl80211_parse_connkeys(rdev, info, NULL);
4c476991
JB		 10645 if (IS_ERR(connkeys))
10646 return PTR_ERR(connkeys);
fffd0934
JB		 10647 }
10648
7e7c8926
BG		 10649 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
10650 connect.flags |= ASSOC_REQ_DISABLE_HT;
10651
10652 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
10653 memcpy(&connect.ht_capa_mask,
10654 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
10655 sizeof(connect.ht_capa_mask));
10656
10657 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
b4e4f47e 10658 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) {
453431a5 10659 kfree_sensitive(connkeys);
7e7c8926 10660 return -EINVAL;
b4e4f47e 10661 }
7e7c8926
BG		 10662 memcpy(&connect.ht_capa,
10663 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
10664 sizeof(connect.ht_capa));
10665 }
10666
ee2aca34
JB		 10667 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
10668 connect.flags |= ASSOC_REQ_DISABLE_VHT;
10669
10670 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
10671 memcpy(&connect.vht_capa_mask,
10672 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
10673 sizeof(connect.vht_capa_mask));
10674
10675 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
10676 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) {
453431a5 10677 kfree_sensitive(connkeys);
ee2aca34
JB		 10678 return -EINVAL;
10679 }
10680 memcpy(&connect.vht_capa,
10681 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
10682 sizeof(connect.vht_capa));
10683 }
10684
bab5ab7d 10685 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
0c9ca11b
BL		 10686 if (!((rdev->wiphy.features &
10687 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
10688 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
10689 !wiphy_ext_feature_isset(&rdev->wiphy,
10690 NL80211_EXT_FEATURE_RRM)) {
453431a5 10691 kfree_sensitive(connkeys);
bab5ab7d 10692 return -EINVAL;
707554b4 10693 }
bab5ab7d
AK		 10694 connect.flags |= ASSOC_REQ_USE_RRM;
10695 }
10696
34d50519 10697 connect.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
57fbcce3 10698 if (connect.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) {
453431a5 10699 kfree_sensitive(connkeys);
34d50519
LD		 10700 return -EOPNOTSUPP;
10701 }
10702
38de03d2
AS		 10703 if (info->attrs[NL80211_ATTR_BSS_SELECT]) {
10704 /* bss selection makes no sense if bssid is set */
10705 if (connect.bssid) {
453431a5 10706 kfree_sensitive(connkeys);
38de03d2
AS		 10707 return -EINVAL;
10708 }
10709
10710 err = parse_bss_select(info->attrs[NL80211_ATTR_BSS_SELECT],
10711 wiphy, &connect.bss_select);
10712 if (err) {
453431a5 10713 kfree_sensitive(connkeys);
38de03d2
AS		 10714 return err;
10715 }
10716 }
10717
a3caf744
VK		 10718 if (wiphy_ext_feature_isset(&rdev->wiphy,
10719 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) &&
10720 info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] &&
10721 info->attrs[NL80211_ATTR_FILS_ERP_REALM] &&
10722 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] &&
10723 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
10724 connect.fils_erp_username =
10725 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
10726 connect.fils_erp_username_len =
10727 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
10728 connect.fils_erp_realm =
10729 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
10730 connect.fils_erp_realm_len =
10731 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
10732 connect.fils_erp_next_seq_num =
10733 nla_get_u16(
10734 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]);
10735 connect.fils_erp_rrk =
10736 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
10737 connect.fils_erp_rrk_len =
10738 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
10739 } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] ||
10740 info->attrs[NL80211_ATTR_FILS_ERP_REALM] ||
10741 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] ||
10742 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
453431a5 10743 kfree_sensitive(connkeys);
a3caf744
VK		 10744 return -EINVAL;
10745 }
10746
40cbfa90
SD		 10747 if (nla_get_flag(info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])) {
10748 if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
453431a5 10749 kfree_sensitive(connkeys);
40cbfa90
SD		 10750 GENL_SET_ERR_MSG(info,
10751 "external auth requires connection ownership");
10752 return -EINVAL;
10753 }
10754 connect.flags |= CONNECT_REQ_EXTERNAL_AUTH_SUPPORT;
10755 }
10756
83739b03 10757 wdev_lock(dev->ieee80211_ptr);
bd2522b1 10758
4ce2bd9c
JM		 10759 err = cfg80211_connect(rdev, dev, &connect, connkeys,
10760 connect.prev_bssid);
fffd0934 10761 if (err)
453431a5 10762 kfree_sensitive(connkeys);
bd2522b1
AZ		 10763
10764 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
10765 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
10766 if (connect.bssid)
10767 memcpy(dev->ieee80211_ptr->disconnect_bssid,
10768 connect.bssid, ETH_ALEN);
10769 else
3b1648f1 10770 eth_zero_addr(dev->ieee80211_ptr->disconnect_bssid);
bd2522b1
AZ		 10771 }
10772
10773 wdev_unlock(dev->ieee80211_ptr);
10774
b23aa676
SO		 10775 return err;
10776}
10777
088e8df8 10778static int nl80211_update_connect_params(struct sk_buff *skb,
10779 struct genl_info *info)
10780{
10781 struct cfg80211_connect_params connect = {};
10782 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10783 struct net_device *dev = info->user_ptr[1];
10784 struct wireless_dev *wdev = dev->ieee80211_ptr;
7f9a3e15
VK		 10785 bool fils_sk_offload;
10786 u32 auth_type;
088e8df8 10787 u32 changed = 0;
10788 int ret;
10789
10790 if (!rdev->ops->update_connect_params)
10791 return -EOPNOTSUPP;
10792
10793 if (info->attrs[NL80211_ATTR_IE]) {
088e8df8 10794 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
10795 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
10796 changed |= UPDATE_ASSOC_IES;
10797 }
10798
7f9a3e15
VK		 10799 fils_sk_offload = wiphy_ext_feature_isset(&rdev->wiphy,
10800 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD);
10801
10802 /*
10803 * when driver supports fils-sk offload all attributes must be
10804 * provided. So the else covers "fils-sk-not-all" and
10805 * "no-fils-sk-any".
10806 */
10807 if (fils_sk_offload &&
10808 info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] &&
10809 info->attrs[NL80211_ATTR_FILS_ERP_REALM] &&
10810 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] &&
10811 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
10812 connect.fils_erp_username =
10813 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
10814 connect.fils_erp_username_len =
10815 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]);
10816 connect.fils_erp_realm =
10817 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
10818 connect.fils_erp_realm_len =
10819 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]);
10820 connect.fils_erp_next_seq_num =
10821 nla_get_u16(
10822 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]);
10823 connect.fils_erp_rrk =
10824 nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
10825 connect.fils_erp_rrk_len =
10826 nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]);
10827 changed |= UPDATE_FILS_ERP_INFO;
10828 } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] ||
10829 info->attrs[NL80211_ATTR_FILS_ERP_REALM] ||
10830 info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] ||
10831 info->attrs[NL80211_ATTR_FILS_ERP_RRK]) {
10832 return -EINVAL;
10833 }
10834
10835 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
10836 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
10837 if (!nl80211_valid_auth_type(rdev, auth_type,
10838 NL80211_CMD_CONNECT))
10839 return -EINVAL;
10840
10841 if (auth_type == NL80211_AUTHTYPE_FILS_SK &&
10842 fils_sk_offload && !(changed & UPDATE_FILS_ERP_INFO))
10843 return -EINVAL;
10844
10845 connect.auth_type = auth_type;
10846 changed |= UPDATE_AUTH_TYPE;
10847 }
10848
088e8df8 10849 wdev_lock(dev->ieee80211_ptr);
10850 if (!wdev->current_bss)
10851 ret = -ENOLINK;
10852 else
10853 ret = rdev_update_connect_params(rdev, dev, &connect, changed);
10854 wdev_unlock(dev->ieee80211_ptr);
10855
10856 return ret;
10857}
10858
b23aa676
SO		 10859static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
10860{
4c476991
JB		 10861 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10862 struct net_device *dev = info->user_ptr[1];
b23aa676 10863 u16 reason;
83739b03 10864 int ret;
b23aa676 10865
bad29297
AZ		 10866 if (dev->ieee80211_ptr->conn_owner_nlportid &&
10867 dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
10868 return -EPERM;
10869
b23aa676
SO		 10870 if (!info->attrs[NL80211_ATTR_REASON_CODE])
10871 reason = WLAN_REASON_DEAUTH_LEAVING;
10872 else
10873 reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
10874
10875 if (reason == 0)
10876 return -EINVAL;
10877
074ac8df 10878 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 10879 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10880 return -EOPNOTSUPP;
b23aa676 10881
83739b03
JB		 10882 wdev_lock(dev->ieee80211_ptr);
10883 ret = cfg80211_disconnect(rdev, dev, reason, true);
10884 wdev_unlock(dev->ieee80211_ptr);
10885 return ret;
b23aa676
SO		 10886}
10887
463d0183
JB		 10888static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info)
10889{
4c476991 10890 struct cfg80211_registered_device *rdev = info->user_ptr[0];
463d0183
JB		 10891 struct net *net;
10892 int err;
463d0183 10893
4b681c82
VK		 10894 if (info->attrs[NL80211_ATTR_PID]) {
10895 u32 pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]);
10896
10897 net = get_net_ns_by_pid(pid);
10898 } else if (info->attrs[NL80211_ATTR_NETNS_FD]) {
10899 u32 fd = nla_get_u32(info->attrs[NL80211_ATTR_NETNS_FD]);
463d0183 10900
4b681c82
VK		 10901 net = get_net_ns_by_fd(fd);
10902 } else {
10903 return -EINVAL;
10904 }
463d0183 10905
4c476991
JB		 10906 if (IS_ERR(net))
10907 return PTR_ERR(net);
463d0183
JB		 10908
10909 err = 0;
10910
10911 /* check if anything to do */
4c476991
JB		 10912 if (!net_eq(wiphy_net(&rdev->wiphy), net))
10913 err = cfg80211_switch_netns(rdev, net);
463d0183 10914
463d0183 10915 put_net(net);
463d0183
JB		 10916 return err;
10917}
10918
67fbb16b
SO		 10919static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info)
10920{
4c476991 10921 struct cfg80211_registered_device *rdev = info->user_ptr[0];
67fbb16b
SO		 10922 int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev,
10923 struct cfg80211_pmksa *pmksa) = NULL;
4c476991 10924 struct net_device *dev = info->user_ptr[1];
67fbb16b
SO		 10925 struct cfg80211_pmksa pmksa;
10926
10927 memset(&pmksa, 0, sizeof(struct cfg80211_pmksa));
10928
67fbb16b
SO		 10929 if (!info->attrs[NL80211_ATTR_PMKID])
10930 return -EINVAL;
10931
67fbb16b 10932 pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
a3caf744
VK		 10933
10934 if (info->attrs[NL80211_ATTR_MAC]) {
10935 pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
10936 } else if (info->attrs[NL80211_ATTR_SSID] &&
10937 info->attrs[NL80211_ATTR_FILS_CACHE_ID] &&
10938 (info->genlhdr->cmd == NL80211_CMD_DEL_PMKSA ||
10939 info->attrs[NL80211_ATTR_PMK])) {
10940 pmksa.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
10941 pmksa.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
10942 pmksa.cache_id =
10943 nla_data(info->attrs[NL80211_ATTR_FILS_CACHE_ID]);
10944 } else {
10945 return -EINVAL;
10946 }
10947 if (info->attrs[NL80211_ATTR_PMK]) {
10948 pmksa.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
10949 pmksa.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
10950 }
67fbb16b 10951
7fc82af8
VJ		 10952 if (info->attrs[NL80211_ATTR_PMK_LIFETIME])
10953 pmksa.pmk_lifetime =
10954 nla_get_u32(info->attrs[NL80211_ATTR_PMK_LIFETIME]);
10955
10956 if (info->attrs[NL80211_ATTR_PMK_REAUTH_THRESHOLD])
10957 pmksa.pmk_reauth_threshold =
10958 nla_get_u8(
10959 info->attrs[NL80211_ATTR_PMK_REAUTH_THRESHOLD]);
10960
074ac8df 10961 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
6c900360
LD		 10962 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT &&
10963 !(dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP &&
10964 wiphy_ext_feature_isset(&rdev->wiphy,
10965 NL80211_EXT_FEATURE_AP_PMKSA_CACHING)))
4c476991 10966 return -EOPNOTSUPP;
67fbb16b
SO		 10967
10968 switch (info->genlhdr->cmd) {
10969 case NL80211_CMD_SET_PMKSA:
10970 rdev_ops = rdev->ops->set_pmksa;
10971 break;
10972 case NL80211_CMD_DEL_PMKSA:
10973 rdev_ops = rdev->ops->del_pmksa;
10974 break;
10975 default:
10976 WARN_ON(1);
10977 break;
10978 }
10979
4c476991
JB		 10980 if (!rdev_ops)
10981 return -EOPNOTSUPP;
67fbb16b 10982
4c476991 10983 return rdev_ops(&rdev->wiphy, dev, &pmksa);
67fbb16b
SO		 10984}
10985
10986static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info)
10987{
4c476991
JB		 10988 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10989 struct net_device *dev = info->user_ptr[1];
67fbb16b 10990
074ac8df 10991 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 10992 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
10993 return -EOPNOTSUPP;
67fbb16b 10994
4c476991
JB		 10995 if (!rdev->ops->flush_pmksa)
10996 return -EOPNOTSUPP;
67fbb16b 10997
e35e4d28 10998 return rdev_flush_pmksa(rdev, dev);
67fbb16b
SO		 10999}
11000
109086ce
AN		 11001static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info)
11002{
11003 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11004 struct net_device *dev = info->user_ptr[1];
11005 u8 action_code, dialog_token;
df942e7b 11006 u32 peer_capability = 0;
109086ce
AN		 11007 u16 status_code;
11008 u8 *peer;
31fa97c5 11009 bool initiator;
109086ce
AN		 11010
11011 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
11012 !rdev->ops->tdls_mgmt)
11013 return -EOPNOTSUPP;
11014
11015 if (!info->attrs[NL80211_ATTR_TDLS_ACTION] ||
11016 !info->attrs[NL80211_ATTR_STATUS_CODE] ||
11017 !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] ||
11018 !info->attrs[NL80211_ATTR_IE] ||
11019 !info->attrs[NL80211_ATTR_MAC])
11020 return -EINVAL;
11021
11022 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
11023 action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]);
11024 status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
11025 dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]);
31fa97c5 11026 initiator = nla_get_flag(info->attrs[NL80211_ATTR_TDLS_INITIATOR]);
df942e7b
SDU		 11027 if (info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY])
11028 peer_capability =
11029 nla_get_u32(info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]);
109086ce 11030
e35e4d28 11031 return rdev_tdls_mgmt(rdev, dev, peer, action_code,
df942e7b 11032 dialog_token, status_code, peer_capability,
31fa97c5 11033 initiator,
e35e4d28
HG		 11034 nla_data(info->attrs[NL80211_ATTR_IE]),
11035 nla_len(info->attrs[NL80211_ATTR_IE]));
109086ce
AN		 11036}
11037
11038static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info)
11039{
11040 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11041 struct net_device *dev = info->user_ptr[1];
11042 enum nl80211_tdls_operation operation;
11043 u8 *peer;
11044
11045 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
11046 !rdev->ops->tdls_oper)
11047 return -EOPNOTSUPP;
11048
11049 if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] ||
11050 !info->attrs[NL80211_ATTR_MAC])
11051 return -EINVAL;
11052
11053 operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]);
11054 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
11055
e35e4d28 11056 return rdev_tdls_oper(rdev, dev, peer, operation);
109086ce
AN		 11057}
11058
9588bbd5
JM		 11059static int nl80211_remain_on_channel(struct sk_buff *skb,
11060 struct genl_info *info)
11061{
4c476991 11062 struct cfg80211_registered_device *rdev = info->user_ptr[0];
71bbc994 11063 struct wireless_dev *wdev = info->user_ptr[1];
683b6d3b 11064 struct cfg80211_chan_def chandef;
34373d12 11065 const struct cfg80211_chan_def *compat_chandef;
9588bbd5
JM		 11066 struct sk_buff *msg;
11067 void *hdr;
11068 u64 cookie;
683b6d3b 11069 u32 duration;
9588bbd5
JM		 11070 int err;
11071
11072 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
11073 !info->attrs[NL80211_ATTR_DURATION])
11074 return -EINVAL;
11075
11076 duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
11077
ebf348fc
JB		 11078 if (!rdev->ops->remain_on_channel ||
11079 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL))
11080 return -EOPNOTSUPP;
11081
9588bbd5 11082 /*
ebf348fc
JB		 11083 * We should be on that channel for at least a minimum amount of
11084 * time (10ms) but no longer than the driver supports.
9588bbd5 11085 */
ebf348fc 11086 if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
a293911d 11087 duration > rdev->wiphy.max_remain_on_channel_duration)
9588bbd5
JM		 11088 return -EINVAL;
11089
683b6d3b
JB		 11090 err = nl80211_parse_chandef(rdev, info, &chandef);
11091 if (err)
11092 return err;
9588bbd5 11093
34373d12
VT		 11094 wdev_lock(wdev);
11095 if (!cfg80211_off_channel_oper_allowed(wdev) &&
11096 !cfg80211_chandef_identical(&wdev->chandef, &chandef)) {
11097 compat_chandef = cfg80211_chandef_compatible(&wdev->chandef,
11098 &chandef);
11099 if (compat_chandef != &chandef) {
11100 wdev_unlock(wdev);
11101 return -EBUSY;
11102 }
11103 }
11104 wdev_unlock(wdev);
11105
9588bbd5 11106 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4c476991
JB		 11107 if (!msg)
11108 return -ENOMEM;
9588bbd5 11109
15e47304 11110 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
9588bbd5 11111 NL80211_CMD_REMAIN_ON_CHANNEL);
cb35fba3
DC		 11112 if (!hdr) {
11113 err = -ENOBUFS;
9588bbd5
JM		 11114 goto free_msg;
11115 }
11116
683b6d3b
JB		 11117 err = rdev_remain_on_channel(rdev, wdev, chandef.chan,
11118 duration, &cookie);
9588bbd5
JM		 11119
11120 if (err)
11121 goto free_msg;
11122
2dad624e
ND		 11123 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
11124 NL80211_ATTR_PAD))
9360ffd1 11125 goto nla_put_failure;
9588bbd5
JM		 11126
11127 genlmsg_end(msg, hdr);
4c476991
JB		 11128
11129 return genlmsg_reply(msg, info);
9588bbd5
JM		 11130
11131 nla_put_failure:
11132 err = -ENOBUFS;
11133 free_msg:
11134 nlmsg_free(msg);
9588bbd5
JM		 11135 return err;
11136}
11137
11138static int nl80211_cancel_remain_on_channel(struct sk_buff *skb,
11139 struct genl_info *info)
11140{
4c476991 11141 struct cfg80211_registered_device *rdev = info->user_ptr[0];
71bbc994 11142 struct wireless_dev *wdev = info->user_ptr[1];
9588bbd5 11143 u64 cookie;
9588bbd5
JM		 11144
11145 if (!info->attrs[NL80211_ATTR_COOKIE])
11146 return -EINVAL;
11147
4c476991
JB		 11148 if (!rdev->ops->cancel_remain_on_channel)
11149 return -EOPNOTSUPP;
9588bbd5 11150
9588bbd5
JM		 11151 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
11152
e35e4d28 11153 return rdev_cancel_remain_on_channel(rdev, wdev, cookie);
9588bbd5
JM		 11154}
11155
13ae75b1
JM		 11156static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
11157 struct genl_info *info)
11158{
13ae75b1 11159 struct cfg80211_bitrate_mask mask;
a7c7fbff 11160 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4c476991 11161 struct net_device *dev = info->user_ptr[1];
a7c7fbff 11162 int err;
13ae75b1 11163
4c476991
JB		 11164 if (!rdev->ops->set_bitrate_mask)
11165 return -EOPNOTSUPP;
13ae75b1 11166
9a5f6488 11167 err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
eb89a6a6 11168 NL80211_ATTR_TX_RATES, &mask,
857b34c4 11169 dev, true);
a7c7fbff
PK		 11170 if (err)
11171 return err;
13ae75b1 11172
e35e4d28 11173 return rdev_set_bitrate_mask(rdev, dev, NULL, &mask);
13ae75b1
JM		 11174}
11175
2e161f78 11176static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
026331c4 11177{
4c476991 11178 struct cfg80211_registered_device *rdev = info->user_ptr[0];
71bbc994 11179 struct wireless_dev *wdev = info->user_ptr[1];
2e161f78 11180 u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION;
026331c4
JM		 11181
11182 if (!info->attrs[NL80211_ATTR_FRAME_MATCH])
11183 return -EINVAL;
11184
2e161f78
JB		 11185 if (info->attrs[NL80211_ATTR_FRAME_TYPE])
11186 frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]);
026331c4 11187
71bbc994
JB		 11188 switch (wdev->iftype) {
11189 case NL80211_IFTYPE_STATION:
11190 case NL80211_IFTYPE_ADHOC:
11191 case NL80211_IFTYPE_P2P_CLIENT:
11192 case NL80211_IFTYPE_AP:
11193 case NL80211_IFTYPE_AP_VLAN:
11194 case NL80211_IFTYPE_MESH_POINT:
11195 case NL80211_IFTYPE_P2P_GO:
98104fde 11196 case NL80211_IFTYPE_P2P_DEVICE:
71bbc994 11197 break;
cb3b7d87 11198 case NL80211_IFTYPE_NAN:
71bbc994 11199 default:
4c476991 11200 return -EOPNOTSUPP;
71bbc994 11201 }
026331c4
JM		 11202
11203 /* not much point in registering if we can't reply */
4c476991
JB		 11204 if (!rdev->ops->mgmt_tx)
11205 return -EOPNOTSUPP;
026331c4 11206
9dba48a6
JB		 11207 if (info->attrs[NL80211_ATTR_RECEIVE_MULTICAST] &&
11208 !wiphy_ext_feature_isset(&rdev->wiphy,
11209 NL80211_EXT_FEATURE_MULTICAST_REGISTRATIONS)) {
11210 GENL_SET_ERR_MSG(info,
11211 "multicast RX registrations are not supported");
11212 return -EOPNOTSUPP;
11213 }
11214
15e47304 11215 return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type,
ff74c51e
IP		 11216 nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]),
11217 nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH]),
9dba48a6 11218 info->attrs[NL80211_ATTR_RECEIVE_MULTICAST],
ff74c51e 11219 info->extack);
026331c4
JM		 11220}
11221
2e161f78 11222static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
026331c4 11223{
4c476991 11224 struct cfg80211_registered_device *rdev = info->user_ptr[0];
71bbc994 11225 struct wireless_dev *wdev = info->user_ptr[1];
683b6d3b 11226 struct cfg80211_chan_def chandef;
026331c4 11227 int err;
d64d373f 11228 void *hdr = NULL;
026331c4 11229 u64 cookie;
e247bd90 11230 struct sk_buff *msg = NULL;
b176e629
AO		 11231 struct cfg80211_mgmt_tx_params params = {
11232 .dont_wait_for_ack =
11233 info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK],
11234 };
026331c4 11235
683b6d3b 11236 if (!info->attrs[NL80211_ATTR_FRAME])
026331c4
JM		 11237 return -EINVAL;
11238
4c476991
JB		 11239 if (!rdev->ops->mgmt_tx)
11240 return -EOPNOTSUPP;
026331c4 11241
71bbc994 11242 switch (wdev->iftype) {
ea141b75
AQ		 11243 case NL80211_IFTYPE_P2P_DEVICE:
11244 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
11245 return -EINVAL;
d7832c71 11246 break;
71bbc994
JB		 11247 case NL80211_IFTYPE_STATION:
11248 case NL80211_IFTYPE_ADHOC:
11249 case NL80211_IFTYPE_P2P_CLIENT:
11250 case NL80211_IFTYPE_AP:
11251 case NL80211_IFTYPE_AP_VLAN:
11252 case NL80211_IFTYPE_MESH_POINT:
11253 case NL80211_IFTYPE_P2P_GO:
11254 break;
cb3b7d87 11255 case NL80211_IFTYPE_NAN:
71bbc994 11256 default:
4c476991 11257 return -EOPNOTSUPP;
71bbc994 11258 }
026331c4 11259
f7ca38df 11260 if (info->attrs[NL80211_ATTR_DURATION]) {
7c4ef712 11261 if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
f7ca38df 11262 return -EINVAL;
b176e629 11263 params.wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
ebf348fc
JB		 11264
11265 /*
11266 * We should wait on the channel for at least a minimum amount
11267 * of time (10ms) but no longer than the driver supports.
11268 */
b176e629
AO		 11269 if (params.wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
11270 params.wait > rdev->wiphy.max_remain_on_channel_duration)
ebf348fc 11271 return -EINVAL;
f7ca38df
JB		 11272 }
11273
b176e629 11274 params.offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK];
f7ca38df 11275
b176e629 11276 if (params.offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
7c4ef712
JB		 11277 return -EINVAL;
11278
b176e629 11279 params.no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
e9f935e3 11280
ea141b75
AQ		 11281 /* get the channel if any has been specified, otherwise pass NULL to
11282 * the driver. The latter will use the current one
11283 */
11284 chandef.chan = NULL;
11285 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
11286 err = nl80211_parse_chandef(rdev, info, &chandef);
11287 if (err)
11288 return err;
11289 }
11290
b176e629 11291 if (!chandef.chan && params.offchan)
ea141b75 11292 return -EINVAL;
026331c4 11293
34373d12
VT		 11294 wdev_lock(wdev);
11295 if (params.offchan && !cfg80211_off_channel_oper_allowed(wdev)) {
11296 wdev_unlock(wdev);
11297 return -EBUSY;
11298 }
11299 wdev_unlock(wdev);
11300
34d22ce2
AO		 11301 params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
11302 params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
11303
11304 if (info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]) {
11305 int len = nla_len(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
11306 int i;
11307
11308 if (len % sizeof(u16))
11309 return -EINVAL;
11310
11311 params.n_csa_offsets = len / sizeof(u16);
11312 params.csa_offsets =
11313 nla_data(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
11314
11315 /* check that all the offsets fit the frame */
11316 for (i = 0; i < params.n_csa_offsets; i++) {
11317 if (params.csa_offsets[i] >= params.len)
11318 return -EINVAL;
11319 }
11320 }
11321
b176e629 11322 if (!params.dont_wait_for_ack) {
e247bd90
JB		 11323 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
11324 if (!msg)
11325 return -ENOMEM;
026331c4 11326
15e47304 11327 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
e247bd90 11328 NL80211_CMD_FRAME);
cb35fba3
DC		 11329 if (!hdr) {
11330 err = -ENOBUFS;
e247bd90
JB		 11331 goto free_msg;
11332 }
026331c4 11333 }
e247bd90 11334
b176e629
AO		 11335 params.chan = chandef.chan;
11336 err = cfg80211_mlme_mgmt_tx(rdev, wdev, &params, &cookie);
026331c4
JM		 11337 if (err)
11338 goto free_msg;
11339
e247bd90 11340 if (msg) {
2dad624e
ND		 11341 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
11342 NL80211_ATTR_PAD))
9360ffd1 11343 goto nla_put_failure;
026331c4 11344
e247bd90
JB		 11345 genlmsg_end(msg, hdr);
11346 return genlmsg_reply(msg, info);
11347 }
11348
11349 return 0;
026331c4
JM		 11350
11351 nla_put_failure:
11352 err = -ENOBUFS;
11353 free_msg:
11354 nlmsg_free(msg);
026331c4
JM		 11355 return err;
11356}
11357
f7ca38df
JB		 11358static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info)
11359{
11360 struct cfg80211_registered_device *rdev = info->user_ptr[0];
71bbc994 11361 struct wireless_dev *wdev = info->user_ptr[1];
f7ca38df
JB		 11362 u64 cookie;
11363
11364 if (!info->attrs[NL80211_ATTR_COOKIE])
11365 return -EINVAL;
11366
11367 if (!rdev->ops->mgmt_tx_cancel_wait)
11368 return -EOPNOTSUPP;
11369
71bbc994
JB		 11370 switch (wdev->iftype) {
11371 case NL80211_IFTYPE_STATION:
11372 case NL80211_IFTYPE_ADHOC:
11373 case NL80211_IFTYPE_P2P_CLIENT:
11374 case NL80211_IFTYPE_AP:
11375 case NL80211_IFTYPE_AP_VLAN:
11376 case NL80211_IFTYPE_P2P_GO:
98104fde 11377 case NL80211_IFTYPE_P2P_DEVICE:
71bbc994 11378 break;
cb3b7d87 11379 case NL80211_IFTYPE_NAN:
71bbc994 11380 default:
f7ca38df 11381 return -EOPNOTSUPP;
71bbc994 11382 }
f7ca38df
JB		 11383
11384 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
11385
e35e4d28 11386 return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie);
f7ca38df
JB		 11387}
11388
ffb9eb3d
KV		 11389static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info)
11390{
4c476991 11391 struct cfg80211_registered_device *rdev = info->user_ptr[0];
ffb9eb3d 11392 struct wireless_dev *wdev;
4c476991 11393 struct net_device *dev = info->user_ptr[1];
ffb9eb3d
KV		 11394 u8 ps_state;
11395 bool state;
11396 int err;
11397
4c476991
JB		 11398 if (!info->attrs[NL80211_ATTR_PS_STATE])
11399 return -EINVAL;
ffb9eb3d
KV		 11400
11401 ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]);
11402
ffb9eb3d
KV		 11403 wdev = dev->ieee80211_ptr;
11404
4c476991
JB		 11405 if (!rdev->ops->set_power_mgmt)
11406 return -EOPNOTSUPP;
ffb9eb3d
KV		 11407
11408 state = (ps_state == NL80211_PS_ENABLED) ? true : false;
11409
11410 if (state == wdev->ps)
4c476991 11411 return 0;
ffb9eb3d 11412
e35e4d28 11413 err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout);
4c476991
JB		 11414 if (!err)
11415 wdev->ps = state;
ffb9eb3d
KV		 11416 return err;
11417}
11418
11419static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info)
11420{
4c476991 11421 struct cfg80211_registered_device *rdev = info->user_ptr[0];
ffb9eb3d
KV		 11422 enum nl80211_ps_state ps_state;
11423 struct wireless_dev *wdev;
4c476991 11424 struct net_device *dev = info->user_ptr[1];
ffb9eb3d
KV		 11425 struct sk_buff *msg;
11426 void *hdr;
11427 int err;
11428
ffb9eb3d
KV		 11429 wdev = dev->ieee80211_ptr;
11430
4c476991
JB		 11431 if (!rdev->ops->set_power_mgmt)
11432 return -EOPNOTSUPP;
ffb9eb3d
KV		 11433
11434 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4c476991
JB		 11435 if (!msg)
11436 return -ENOMEM;
ffb9eb3d 11437
15e47304 11438 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
ffb9eb3d
KV		 11439 NL80211_CMD_GET_POWER_SAVE);
11440 if (!hdr) {
4c476991 11441 err = -ENOBUFS;
ffb9eb3d
KV		 11442 goto free_msg;
11443 }
11444
11445 if (wdev->ps)
11446 ps_state = NL80211_PS_ENABLED;
11447 else
11448 ps_state = NL80211_PS_DISABLED;
11449
9360ffd1
DM		 11450 if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state))
11451 goto nla_put_failure;
ffb9eb3d
KV		 11452
11453 genlmsg_end(msg, hdr);
4c476991 11454 return genlmsg_reply(msg, info);
ffb9eb3d 11455
4c476991 11456 nla_put_failure:
ffb9eb3d 11457 err = -ENOBUFS;
4c476991 11458 free_msg:
ffb9eb3d 11459 nlmsg_free(msg);
ffb9eb3d
KV		 11460 return err;
11461}
11462
94e860f1
JB		 11463static const struct nla_policy
11464nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] = {
4a4b8169 11465 [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_BINARY },
d6dc1a38
JO		 11466 [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 },
11467 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
84f10708
TP		 11468 [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 },
11469 [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 },
11470 [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 },
bee427b8 11471 [NL80211_ATTR_CQM_RSSI_LEVEL] = { .type = NLA_S32 },
d6dc1a38
JO		 11472};
11473
84f10708 11474static int nl80211_set_cqm_txe(struct genl_info *info,
d9d8b019 11475 u32 rate, u32 pkts, u32 intvl)
84f10708
TP		 11476{
11477 struct cfg80211_registered_device *rdev = info->user_ptr[0];
84f10708 11478 struct net_device *dev = info->user_ptr[1];
1da5fcc8 11479 struct wireless_dev *wdev = dev->ieee80211_ptr;
84f10708 11480
d9d8b019 11481 if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL)
84f10708
TP		 11482 return -EINVAL;
11483
84f10708
TP		 11484 if (!rdev->ops->set_cqm_txe_config)
11485 return -EOPNOTSUPP;
11486
11487 if (wdev->iftype != NL80211_IFTYPE_STATION &&
11488 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
11489 return -EOPNOTSUPP;
11490
e35e4d28 11491 return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl);
84f10708
TP		 11492}
11493
4a4b8169
AZ		 11494static int cfg80211_cqm_rssi_update(struct cfg80211_registered_device *rdev,
11495 struct net_device *dev)
11496{
11497 struct wireless_dev *wdev = dev->ieee80211_ptr;
11498 s32 last, low, high;
11499 u32 hyst;
1222a160 11500 int i, n, low_index;
4a4b8169
AZ		 11501 int err;
11502
11503 /* RSSI reporting disabled? */
11504 if (!wdev->cqm_config)
11505 return rdev_set_cqm_rssi_range_config(rdev, dev, 0, 0);
11506
11507 /*
11508 * Obtain current RSSI value if possible, if not and no RSSI threshold
11509 * event has been received yet, we should receive an event after a
11510 * connection is established and enough beacons received to calculate
11511 * the average.
11512 */
11513 if (!wdev->cqm_config->last_rssi_event_value && wdev->current_bss &&
11514 rdev->ops->get_station) {
73887fd9 11515 struct station_info sinfo = {};
4a4b8169
AZ		 11516 u8 *mac_addr;
11517
11518 mac_addr = wdev->current_bss->pub.bssid;
11519
73887fd9
JB		 11520 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
11521 if (err)
4a4b8169
AZ		 11522 return err;
11523
df16737d 11524 cfg80211_sinfo_release_content(&sinfo);
397c657a 11525 if (sinfo.filled & BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG))
4a4b8169 11526 wdev->cqm_config->last_rssi_event_value =
73887fd9 11527 (s8) sinfo.rx_beacon_signal_avg;
4a4b8169
AZ		 11528 }
11529
11530 last = wdev->cqm_config->last_rssi_event_value;
11531 hyst = wdev->cqm_config->rssi_hyst;
11532 n = wdev->cqm_config->n_rssi_thresholds;
11533
4b2c5a14
MH		 11534 for (i = 0; i < n; i++) {
11535 i = array_index_nospec(i, n);
4a4b8169
AZ		 11536 if (last < wdev->cqm_config->rssi_thresholds[i])
11537 break;
4b2c5a14 11538 }
4a4b8169 11539
1222a160
MH		 11540 low_index = i - 1;
11541 if (low_index >= 0) {
11542 low_index = array_index_nospec(low_index, n);
11543 low = wdev->cqm_config->rssi_thresholds[low_index] - hyst;
11544 } else {
11545 low = S32_MIN;
11546 }
11547 if (i < n) {
11548 i = array_index_nospec(i, n);
11549 high = wdev->cqm_config->rssi_thresholds[i] + hyst - 1;
11550 } else {
11551 high = S32_MAX;
11552 }
4a4b8169
AZ		 11553
11554 return rdev_set_cqm_rssi_range_config(rdev, dev, low, high);
11555}
11556
d6dc1a38 11557static int nl80211_set_cqm_rssi(struct genl_info *info,
4a4b8169
AZ		 11558 const s32 *thresholds, int n_thresholds,
11559 u32 hysteresis)
d6dc1a38 11560{
4c476991 11561 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4c476991 11562 struct net_device *dev = info->user_ptr[1];
1da5fcc8 11563 struct wireless_dev *wdev = dev->ieee80211_ptr;
4a4b8169
AZ		 11564 int i, err;
11565 s32 prev = S32_MIN;
d6dc1a38 11566
4a4b8169
AZ		 11567 /* Check all values negative and sorted */
11568 for (i = 0; i < n_thresholds; i++) {
11569 if (thresholds[i] > 0 || thresholds[i] <= prev)
11570 return -EINVAL;
d6dc1a38 11571
4a4b8169
AZ		 11572 prev = thresholds[i];
11573 }
d6dc1a38 11574
074ac8df 11575 if (wdev->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 11576 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
11577 return -EOPNOTSUPP;
d6dc1a38 11578
4a4b8169
AZ		 11579 wdev_lock(wdev);
11580 cfg80211_cqm_config_free(wdev);
11581 wdev_unlock(wdev);
11582
11583 if (n_thresholds <= 1 && rdev->ops->set_cqm_rssi_config) {
11584 if (n_thresholds == 0 || thresholds[0] == 0) /* Disabling */
11585 return rdev_set_cqm_rssi_config(rdev, dev, 0, 0);
11586
11587 return rdev_set_cqm_rssi_config(rdev, dev,
11588 thresholds[0], hysteresis);
11589 }
11590
11591 if (!wiphy_ext_feature_isset(&rdev->wiphy,
11592 NL80211_EXT_FEATURE_CQM_RSSI_LIST))
11593 return -EOPNOTSUPP;
11594
11595 if (n_thresholds == 1 && thresholds[0] == 0) /* Disabling */
11596 n_thresholds = 0;
11597
11598 wdev_lock(wdev);
11599 if (n_thresholds) {
11600 struct cfg80211_cqm_config *cqm_config;
11601
11602 cqm_config = kzalloc(sizeof(struct cfg80211_cqm_config) +
11603 n_thresholds * sizeof(s32), GFP_KERNEL);
11604 if (!cqm_config) {
11605 err = -ENOMEM;
11606 goto unlock;
11607 }
11608
11609 cqm_config->rssi_hyst = hysteresis;
11610 cqm_config->n_rssi_thresholds = n_thresholds;
11611 memcpy(cqm_config->rssi_thresholds, thresholds,
11612 n_thresholds * sizeof(s32));
11613
11614 wdev->cqm_config = cqm_config;
11615 }
11616
11617 err = cfg80211_cqm_rssi_update(rdev, dev);
11618
11619unlock:
11620 wdev_unlock(wdev);
11621
11622 return err;
d6dc1a38
JO		 11623}
11624
11625static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info)
11626{
11627 struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1];
11628 struct nlattr *cqm;
11629 int err;
11630
11631 cqm = info->attrs[NL80211_ATTR_CQM];
1da5fcc8
JB		 11632 if (!cqm)
11633 return -EINVAL;
d6dc1a38 11634
8cb08174
JB		 11635 err = nla_parse_nested_deprecated(attrs, NL80211_ATTR_CQM_MAX, cqm,
11636 nl80211_attr_cqm_policy,
11637 info->extack);
d6dc1a38 11638 if (err)
1da5fcc8 11639 return err;
d6dc1a38
JO		 11640
11641 if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] &&
11642 attrs[NL80211_ATTR_CQM_RSSI_HYST]) {
4a4b8169
AZ		 11643 const s32 *thresholds =
11644 nla_data(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
11645 int len = nla_len(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
1da5fcc8 11646 u32 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]);
d6dc1a38 11647
4a4b8169
AZ		 11648 if (len % 4)
11649 return -EINVAL;
11650
11651 return nl80211_set_cqm_rssi(info, thresholds, len / 4,
11652 hysteresis);
1da5fcc8
JB		 11653 }
11654
11655 if (attrs[NL80211_ATTR_CQM_TXE_RATE] &&
11656 attrs[NL80211_ATTR_CQM_TXE_PKTS] &&
11657 attrs[NL80211_ATTR_CQM_TXE_INTVL]) {
11658 u32 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]);
11659 u32 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]);
11660 u32 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]);
11661
11662 return nl80211_set_cqm_txe(info, rate, pkts, intvl);
11663 }
11664
11665 return -EINVAL;
d6dc1a38
JO		 11666}
11667
6e0bd6c3
RL		 11668static int nl80211_join_ocb(struct sk_buff *skb, struct genl_info *info)
11669{
11670 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11671 struct net_device *dev = info->user_ptr[1];
11672 struct ocb_setup setup = {};
11673 int err;
11674
11675 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
11676 if (err)
11677 return err;
11678
11679 return cfg80211_join_ocb(rdev, dev, &setup);
11680}
11681
11682static int nl80211_leave_ocb(struct sk_buff *skb, struct genl_info *info)
11683{
11684 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11685 struct net_device *dev = info->user_ptr[1];
11686
11687 return cfg80211_leave_ocb(rdev, dev);
11688}
11689
29cbe68c
JB		 11690static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info)
11691{
11692 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11693 struct net_device *dev = info->user_ptr[1];
11694 struct mesh_config cfg;
c80d545d 11695 struct mesh_setup setup;
29cbe68c
JB		 11696 int err;
11697
11698 /* start with default */
11699 memcpy(&cfg, &default_mesh_config, sizeof(cfg));
c80d545d 11700 memcpy(&setup, &default_mesh_setup, sizeof(setup));
29cbe68c 11701
24bdd9f4 11702 if (info->attrs[NL80211_ATTR_MESH_CONFIG]) {
29cbe68c 11703 /* and parse parameters if given */
24bdd9f4 11704 err = nl80211_parse_mesh_config(info, &cfg, NULL);
29cbe68c
JB		 11705 if (err)
11706 return err;
11707 }
11708
11709 if (!info->attrs[NL80211_ATTR_MESH_ID] ||
11710 !nla_len(info->attrs[NL80211_ATTR_MESH_ID]))
11711 return -EINVAL;
11712
c80d545d
JC		 11713 setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]);
11714 setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
11715
4bb62344
CYY		 11716 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
11717 !nl80211_parse_mcast_rate(rdev, setup.mcast_rate,
11718 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
11719 return -EINVAL;
11720
9bdbf04d
MP		 11721 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) {
11722 setup.beacon_interval =
11723 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
12d20fc9 11724
0c317a02
PK		 11725 err = cfg80211_validate_beacon_int(rdev,
11726 NL80211_IFTYPE_MESH_POINT,
11727 setup.beacon_interval);
12d20fc9
PK		 11728 if (err)
11729 return err;
9bdbf04d
MP		 11730 }
11731
11732 if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) {
11733 setup.dtim_period =
11734 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
11735 if (setup.dtim_period < 1 || setup.dtim_period > 100)
11736 return -EINVAL;
11737 }
11738
c80d545d
JC		 11739 if (info->attrs[NL80211_ATTR_MESH_SETUP]) {
11740 /* parse additional setup parameters if given */
11741 err = nl80211_parse_mesh_setup(info, &setup);
11742 if (err)
11743 return err;
11744 }
11745
d37bb18a
TP		 11746 if (setup.user_mpm)
11747 cfg.auto_open_plinks = false;
11748
cc1d2806 11749 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
683b6d3b
JB		 11750 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
11751 if (err)
11752 return err;
cc1d2806 11753 } else {
188c1b3c 11754 /* __cfg80211_join_mesh() will sort it out */
683b6d3b 11755 setup.chandef.chan = NULL;
cc1d2806
JB		 11756 }
11757
ffb3cf30
AN		 11758 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
11759 u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
11760 int n_rates =
11761 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
11762 struct ieee80211_supported_band *sband;
11763
11764 if (!setup.chandef.chan)
11765 return -EINVAL;
11766
11767 sband = rdev->wiphy.bands[setup.chandef.chan->band];
11768
11769 err = ieee80211_get_ratemask(sband, rates, n_rates,
11770 &setup.basic_rates);
11771 if (err)
11772 return err;
11773 }
11774
8564e382 11775 if (info->attrs[NL80211_ATTR_TX_RATES]) {
9a5f6488
TC		 11776 err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
11777 NL80211_ATTR_TX_RATES,
eb89a6a6 11778 &setup.beacon_rate,
857b34c4 11779 dev, false);
8564e382
JB		 11780 if (err)
11781 return err;
11782
265698d7
JB		 11783 if (!setup.chandef.chan)
11784 return -EINVAL;
11785
8564e382
JB		 11786 err = validate_beacon_tx_rate(rdev, setup.chandef.chan->band,
11787 &setup.beacon_rate);
11788 if (err)
11789 return err;
11790 }
11791
d37d49c2
BB		 11792 setup.userspace_handles_dfs =
11793 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
11794
1224f583
DK		 11795 if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
11796 int r = validate_pae_over_nl80211(rdev, info);
11797
11798 if (r < 0)
11799 return r;
11800
11801 setup.control_port_over_nl80211 = true;
11802 }
11803
188c1b3c
DK		 11804 wdev_lock(dev->ieee80211_ptr);
11805 err = __cfg80211_join_mesh(rdev, dev, &setup, &cfg);
11806 if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER])
11807 dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
11808 wdev_unlock(dev->ieee80211_ptr);
11809
11810 return err;
29cbe68c
JB		 11811}
11812
11813static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info)
11814{
11815 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11816 struct net_device *dev = info->user_ptr[1];
11817
11818 return cfg80211_leave_mesh(rdev, dev);
11819}
11820
dfb89c56 11821#ifdef CONFIG_PM
bb92d199
AK		 11822static int nl80211_send_wowlan_patterns(struct sk_buff *msg,
11823 struct cfg80211_registered_device *rdev)
11824{
6abb9cb9 11825 struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config;
bb92d199
AK		 11826 struct nlattr *nl_pats, *nl_pat;
11827 int i, pat_len;
11828
6abb9cb9 11829 if (!wowlan->n_patterns)
bb92d199
AK		 11830 return 0;
11831
ae0be8de 11832 nl_pats = nla_nest_start_noflag(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN);
bb92d199
AK		 11833 if (!nl_pats)
11834 return -ENOBUFS;
11835
6abb9cb9 11836 for (i = 0; i < wowlan->n_patterns; i++) {
ae0be8de 11837 nl_pat = nla_nest_start_noflag(msg, i + 1);
bb92d199
AK		 11838 if (!nl_pat)
11839 return -ENOBUFS;
6abb9cb9 11840 pat_len = wowlan->patterns[i].pattern_len;
50ac6607 11841 if (nla_put(msg, NL80211_PKTPAT_MASK, DIV_ROUND_UP(pat_len, 8),
6abb9cb9 11842 wowlan->patterns[i].mask) ||
50ac6607
AK		 11843 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
11844 wowlan->patterns[i].pattern) ||
11845 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
6abb9cb9 11846 wowlan->patterns[i].pkt_offset))
bb92d199
AK		 11847 return -ENOBUFS;
11848 nla_nest_end(msg, nl_pat);
11849 }
11850 nla_nest_end(msg, nl_pats);
11851
11852 return 0;
11853}
11854
2a0e047e
JB		 11855static int nl80211_send_wowlan_tcp(struct sk_buff *msg,
11856 struct cfg80211_wowlan_tcp *tcp)
11857{
11858 struct nlattr *nl_tcp;
11859
11860 if (!tcp)
11861 return 0;
11862
ae0be8de
MK		 11863 nl_tcp = nla_nest_start_noflag(msg,
11864 NL80211_WOWLAN_TRIG_TCP_CONNECTION);
2a0e047e
JB		 11865 if (!nl_tcp)
11866 return -ENOBUFS;
11867
930345ea
JB		 11868 if (nla_put_in_addr(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) ||
11869 nla_put_in_addr(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) ||
2a0e047e
JB		 11870 nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) ||
11871 nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) ||
11872 nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) ||
11873 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
11874 tcp->payload_len, tcp->payload) ||
11875 nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
11876 tcp->data_interval) ||
11877 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
11878 tcp->wake_len, tcp->wake_data) ||
11879 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK,
11880 DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask))
11881 return -ENOBUFS;
11882
11883 if (tcp->payload_seq.len &&
11884 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ,
11885 sizeof(tcp->payload_seq), &tcp->payload_seq))
11886 return -ENOBUFS;
11887
11888 if (tcp->payload_tok.len &&
11889 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
11890 sizeof(tcp->payload_tok) + tcp->tokens_size,
11891 &tcp->payload_tok))
11892 return -ENOBUFS;
11893
e248ad30
JB		 11894 nla_nest_end(msg, nl_tcp);
11895
2a0e047e
JB		 11896 return 0;
11897}
11898
75453ccb
LC		 11899static int nl80211_send_wowlan_nd(struct sk_buff *msg,
11900 struct cfg80211_sched_scan_request *req)
11901{
3b06d277 11902 struct nlattr *nd, *freqs, *matches, *match, *scan_plans, *scan_plan;
75453ccb
LC		 11903 int i;
11904
11905 if (!req)
11906 return 0;
11907
ae0be8de 11908 nd = nla_nest_start_noflag(msg, NL80211_WOWLAN_TRIG_NET_DETECT);
75453ccb
LC		 11909 if (!nd)
11910 return -ENOBUFS;
11911
3b06d277
AS		 11912 if (req->n_scan_plans == 1 &&
11913 nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_INTERVAL,
11914 req->scan_plans[0].interval * 1000))
75453ccb
LC		 11915 return -ENOBUFS;
11916
21fea567
LC		 11917 if (nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_DELAY, req->delay))
11918 return -ENOBUFS;
11919
bf95ecdb 11920 if (req->relative_rssi_set) {
11921 struct nl80211_bss_select_rssi_adjust rssi_adjust;
11922
11923 if (nla_put_s8(msg, NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI,
11924 req->relative_rssi))
11925 return -ENOBUFS;
11926
11927 rssi_adjust.band = req->rssi_adjust.band;
11928 rssi_adjust.delta = req->rssi_adjust.delta;
11929 if (nla_put(msg, NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST,
11930 sizeof(rssi_adjust), &rssi_adjust))
11931 return -ENOBUFS;
11932 }
11933
ae0be8de 11934 freqs = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_FREQUENCIES);
75453ccb
LC		 11935 if (!freqs)
11936 return -ENOBUFS;
11937
53b18980
JB		 11938 for (i = 0; i < req->n_channels; i++) {
11939 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
11940 return -ENOBUFS;
11941 }
75453ccb
LC		 11942
11943 nla_nest_end(msg, freqs);
11944
11945 if (req->n_match_sets) {
ae0be8de
MK		 11946 matches = nla_nest_start_noflag(msg,
11947 NL80211_ATTR_SCHED_SCAN_MATCH);
76e1fb4b
JB		 11948 if (!matches)
11949 return -ENOBUFS;
11950
75453ccb 11951 for (i = 0; i < req->n_match_sets; i++) {
ae0be8de 11952 match = nla_nest_start_noflag(msg, i);
76e1fb4b
JB		 11953 if (!match)
11954 return -ENOBUFS;
11955
53b18980
JB		 11956 if (nla_put(msg, NL80211_SCHED_SCAN_MATCH_ATTR_SSID,
11957 req->match_sets[i].ssid.ssid_len,
11958 req->match_sets[i].ssid.ssid))
11959 return -ENOBUFS;
75453ccb
LC		 11960 nla_nest_end(msg, match);
11961 }
11962 nla_nest_end(msg, matches);
11963 }
11964
ae0be8de 11965 scan_plans = nla_nest_start_noflag(msg, NL80211_ATTR_SCHED_SCAN_PLANS);
3b06d277
AS		 11966 if (!scan_plans)
11967 return -ENOBUFS;
11968
11969 for (i = 0; i < req->n_scan_plans; i++) {
ae0be8de 11970 scan_plan = nla_nest_start_noflag(msg, i + 1);
76e1fb4b
JB		 11971 if (!scan_plan)
11972 return -ENOBUFS;
11973
67626964 11974 if (nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_INTERVAL,
3b06d277
AS		 11975 req->scan_plans[i].interval) ||
11976 (req->scan_plans[i].iterations &&
11977 nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_ITERATIONS,
11978 req->scan_plans[i].iterations)))
11979 return -ENOBUFS;
11980 nla_nest_end(msg, scan_plan);
11981 }
11982 nla_nest_end(msg, scan_plans);
11983
75453ccb
LC		 11984 nla_nest_end(msg, nd);
11985
11986 return 0;
11987}
11988
ff1b6e69
JB		 11989static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info)
11990{
11991 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11992 struct sk_buff *msg;
11993 void *hdr;
2a0e047e 11994 u32 size = NLMSG_DEFAULT_SIZE;
ff1b6e69 11995
964dc9e2 11996 if (!rdev->wiphy.wowlan)
ff1b6e69
JB		 11997 return -EOPNOTSUPP;
11998
6abb9cb9 11999 if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) {
2a0e047e 12000 /* adjust size to have room for all the data */
6abb9cb9
JB		 12001 size += rdev->wiphy.wowlan_config->tcp->tokens_size +
12002 rdev->wiphy.wowlan_config->tcp->payload_len +
12003 rdev->wiphy.wowlan_config->tcp->wake_len +
12004 rdev->wiphy.wowlan_config->tcp->wake_len / 8;
2a0e047e
JB		 12005 }
12006
12007 msg = nlmsg_new(size, GFP_KERNEL);
ff1b6e69
JB		 12008 if (!msg)
12009 return -ENOMEM;
12010
15e47304 12011 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
ff1b6e69
JB		 12012 NL80211_CMD_GET_WOWLAN);
12013 if (!hdr)
12014 goto nla_put_failure;
12015
6abb9cb9 12016 if (rdev->wiphy.wowlan_config) {
ff1b6e69
JB		 12017 struct nlattr *nl_wowlan;
12018
ae0be8de
MK		 12019 nl_wowlan = nla_nest_start_noflag(msg,
12020 NL80211_ATTR_WOWLAN_TRIGGERS);
ff1b6e69
JB		 12021 if (!nl_wowlan)
12022 goto nla_put_failure;
12023
6abb9cb9 12024 if ((rdev->wiphy.wowlan_config->any &&
9360ffd1 12025 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
6abb9cb9 12026 (rdev->wiphy.wowlan_config->disconnect &&
9360ffd1 12027 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
6abb9cb9 12028 (rdev->wiphy.wowlan_config->magic_pkt &&
9360ffd1 12029 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
6abb9cb9 12030 (rdev->wiphy.wowlan_config->gtk_rekey_failure &&
9360ffd1 12031 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
6abb9cb9 12032 (rdev->wiphy.wowlan_config->eap_identity_req &&
9360ffd1 12033 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
6abb9cb9 12034 (rdev->wiphy.wowlan_config->four_way_handshake &&
9360ffd1 12035 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
6abb9cb9 12036 (rdev->wiphy.wowlan_config->rfkill_release &&
9360ffd1
DM		 12037 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
12038 goto nla_put_failure;
2a0e047e 12039
bb92d199
AK		 12040 if (nl80211_send_wowlan_patterns(msg, rdev))
12041 goto nla_put_failure;
2a0e047e 12042
6abb9cb9
JB		 12043 if (nl80211_send_wowlan_tcp(msg,
12044 rdev->wiphy.wowlan_config->tcp))
2a0e047e 12045 goto nla_put_failure;
75453ccb
LC		 12046
12047 if (nl80211_send_wowlan_nd(
12048 msg,
12049 rdev->wiphy.wowlan_config->nd_config))
12050 goto nla_put_failure;
2a0e047e 12051
ff1b6e69
JB		 12052 nla_nest_end(msg, nl_wowlan);
12053 }
12054
12055 genlmsg_end(msg, hdr);
12056 return genlmsg_reply(msg, info);
12057
12058nla_put_failure:
12059 nlmsg_free(msg);
12060 return -ENOBUFS;
12061}
12062
2a0e047e
JB		 12063static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev,
12064 struct nlattr *attr,
12065 struct cfg80211_wowlan *trig)
12066{
12067 struct nlattr *tb[NUM_NL80211_WOWLAN_TCP];
12068 struct cfg80211_wowlan_tcp *cfg;
12069 struct nl80211_wowlan_tcp_data_token *tok = NULL;
12070 struct nl80211_wowlan_tcp_data_seq *seq = NULL;
12071 u32 size;
12072 u32 data_size, wake_size, tokens_size = 0, wake_mask_size;
12073 int err, port;
12074
964dc9e2 12075 if (!rdev->wiphy.wowlan->tcp)
2a0e047e
JB		 12076 return -EINVAL;
12077
8cb08174
JB		 12078 err = nla_parse_nested_deprecated(tb, MAX_NL80211_WOWLAN_TCP, attr,
12079 nl80211_wowlan_tcp_policy, NULL);
2a0e047e
JB		 12080 if (err)
12081 return err;
12082
12083 if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] ||
12084 !tb[NL80211_WOWLAN_TCP_DST_IPV4] ||
12085 !tb[NL80211_WOWLAN_TCP_DST_MAC] ||
12086 !tb[NL80211_WOWLAN_TCP_DST_PORT] ||
12087 !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] ||
12088 !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] ||
12089 !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] ||
12090 !tb[NL80211_WOWLAN_TCP_WAKE_MASK])
12091 return -EINVAL;
12092
12093 data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]);
964dc9e2 12094 if (data_size > rdev->wiphy.wowlan->tcp->data_payload_max)
2a0e047e
JB		 12095 return -EINVAL;
12096
12097 if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) >
964dc9e2 12098 rdev->wiphy.wowlan->tcp->data_interval_max ||
723d568a 12099 nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0)
2a0e047e
JB		 12100 return -EINVAL;
12101
12102 wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]);
964dc9e2 12103 if (wake_size > rdev->wiphy.wowlan->tcp->wake_payload_max)
2a0e047e
JB		 12104 return -EINVAL;
12105
12106 wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]);
12107 if (wake_mask_size != DIV_ROUND_UP(wake_size, 8))
12108 return -EINVAL;
12109
12110 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) {
12111 u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
12112
12113 tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
12114 tokens_size = tokln - sizeof(*tok);
12115
12116 if (!tok->len || tokens_size % tok->len)
12117 return -EINVAL;
964dc9e2 12118 if (!rdev->wiphy.wowlan->tcp->tok)
2a0e047e 12119 return -EINVAL;
964dc9e2 12120 if (tok->len > rdev->wiphy.wowlan->tcp->tok->max_len)
2a0e047e 12121 return -EINVAL;
964dc9e2 12122 if (tok->len < rdev->wiphy.wowlan->tcp->tok->min_len)
2a0e047e 12123 return -EINVAL;
964dc9e2 12124 if (tokens_size > rdev->wiphy.wowlan->tcp->tok->bufsize)
2a0e047e
JB		 12125 return -EINVAL;
12126 if (tok->offset + tok->len > data_size)
12127 return -EINVAL;
12128 }
12129
12130 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) {
12131 seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]);
964dc9e2 12132 if (!rdev->wiphy.wowlan->tcp->seq)
2a0e047e
JB		 12133 return -EINVAL;
12134 if (seq->len == 0 || seq->len > 4)
12135 return -EINVAL;
12136 if (seq->len + seq->offset > data_size)
12137 return -EINVAL;
12138 }
12139
12140 size = sizeof(*cfg);
12141 size += data_size;
12142 size += wake_size + wake_mask_size;
12143 size += tokens_size;
12144
12145 cfg = kzalloc(size, GFP_KERNEL);
12146 if (!cfg)
12147 return -ENOMEM;
67b61f6c
JB		 12148 cfg->src = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_SRC_IPV4]);
12149 cfg->dst = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_DST_IPV4]);
2a0e047e
JB		 12150 memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]),
12151 ETH_ALEN);
12152 if (tb[NL80211_WOWLAN_TCP_SRC_PORT])
12153 port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]);
12154 else
12155 port = 0;
12156#ifdef CONFIG_INET
12157 /* allocate a socket and port for it and use it */
12158 err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM,
12159 IPPROTO_TCP, &cfg->sock, 1);
12160 if (err) {
12161 kfree(cfg);
12162 return err;
12163 }
12164 if (inet_csk_get_port(cfg->sock->sk, port)) {
12165 sock_release(cfg->sock);
12166 kfree(cfg);
12167 return -EADDRINUSE;
12168 }
12169 cfg->src_port = inet_sk(cfg->sock->sk)->inet_num;
12170#else
12171 if (!port) {
12172 kfree(cfg);
12173 return -EINVAL;
12174 }
12175 cfg->src_port = port;
12176#endif
12177
12178 cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]);
12179 cfg->payload_len = data_size;
12180 cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size;
12181 memcpy((void *)cfg->payload,
12182 nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]),
12183 data_size);
12184 if (seq)
12185 cfg->payload_seq = *seq;
12186 cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]);
12187 cfg->wake_len = wake_size;
12188 cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size;
12189 memcpy((void *)cfg->wake_data,
12190 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]),
12191 wake_size);
12192 cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size +
12193 data_size + wake_size;
12194 memcpy((void *)cfg->wake_mask,
12195 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]),
12196 wake_mask_size);
12197 if (tok) {
12198 cfg->tokens_size = tokens_size;
12199 memcpy(&cfg->payload_tok, tok, sizeof(*tok) + tokens_size);
12200 }
12201
12202 trig->tcp = cfg;
12203
12204 return 0;
12205}
12206
8cd4d456
LC		 12207static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device *rdev,
12208 const struct wiphy_wowlan_support *wowlan,
12209 struct nlattr *attr,
12210 struct cfg80211_wowlan *trig)
12211{
12212 struct nlattr **tb;
12213 int err;
12214
6396bb22 12215 tb = kcalloc(NUM_NL80211_ATTR, sizeof(*tb), GFP_KERNEL);
8cd4d456
LC		 12216 if (!tb)
12217 return -ENOMEM;
12218
12219 if (!(wowlan->flags & WIPHY_WOWLAN_NET_DETECT)) {
12220 err = -EOPNOTSUPP;
12221 goto out;
12222 }
12223
8cb08174
JB		 12224 err = nla_parse_nested_deprecated(tb, NL80211_ATTR_MAX, attr,
12225 nl80211_policy, NULL);
8cd4d456
LC		 12226 if (err)
12227 goto out;
12228
aad1e812
AVS		 12229 trig->nd_config = nl80211_parse_sched_scan(&rdev->wiphy, NULL, tb,
12230 wowlan->max_nd_match_sets);
8cd4d456
LC		 12231 err = PTR_ERR_OR_ZERO(trig->nd_config);
12232 if (err)
12233 trig->nd_config = NULL;
12234
12235out:
12236 kfree(tb);
12237 return err;
12238}
12239
ff1b6e69
JB		 12240static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
12241{
12242 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12243 struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG];
ff1b6e69 12244 struct cfg80211_wowlan new_triggers = {};
ae33bd81 12245 struct cfg80211_wowlan *ntrig;
964dc9e2 12246 const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan;
ff1b6e69 12247 int err, i;
6abb9cb9 12248 bool prev_enabled = rdev->wiphy.wowlan_config;
98fc4386 12249 bool regular = false;
ff1b6e69 12250
964dc9e2 12251 if (!wowlan)
ff1b6e69
JB		 12252 return -EOPNOTSUPP;
12253
ae33bd81
JB		 12254 if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) {
12255 cfg80211_rdev_free_wowlan(rdev);
6abb9cb9 12256 rdev->wiphy.wowlan_config = NULL;
ae33bd81
JB		 12257 goto set_wakeup;
12258 }
ff1b6e69 12259
8cb08174
JB		 12260 err = nla_parse_nested_deprecated(tb, MAX_NL80211_WOWLAN_TRIG,
12261 info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS],
12262 nl80211_wowlan_policy, info->extack);
ff1b6e69
JB		 12263 if (err)
12264 return err;
12265
12266 if (tb[NL80211_WOWLAN_TRIG_ANY]) {
12267 if (!(wowlan->flags & WIPHY_WOWLAN_ANY))
12268 return -EINVAL;
12269 new_triggers.any = true;
12270 }
12271
12272 if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) {
12273 if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT))
12274 return -EINVAL;
12275 new_triggers.disconnect = true;
98fc4386 12276 regular = true;
ff1b6e69
JB		 12277 }
12278
12279 if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) {
12280 if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT))
12281 return -EINVAL;
12282 new_triggers.magic_pkt = true;
98fc4386 12283 regular = true;
ff1b6e69
JB		 12284 }
12285
77dbbb13
JB		 12286 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED])
12287 return -EINVAL;
12288
12289 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) {
12290 if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE))
12291 return -EINVAL;
12292 new_triggers.gtk_rekey_failure = true;
98fc4386 12293 regular = true;
77dbbb13
JB		 12294 }
12295
12296 if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) {
12297 if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ))
12298 return -EINVAL;
12299 new_triggers.eap_identity_req = true;
98fc4386 12300 regular = true;
77dbbb13
JB		 12301 }
12302
12303 if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) {
12304 if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE))
12305 return -EINVAL;
12306 new_triggers.four_way_handshake = true;
98fc4386 12307 regular = true;
77dbbb13
JB		 12308 }
12309
12310 if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) {
12311 if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE))
12312 return -EINVAL;
12313 new_triggers.rfkill_release = true;
98fc4386 12314 regular = true;
77dbbb13
JB		 12315 }
12316
ff1b6e69
JB		 12317 if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) {
12318 struct nlattr *pat;
12319 int n_patterns = 0;
bb92d199 12320 int rem, pat_len, mask_len, pkt_offset;
50ac6607 12321 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
ff1b6e69 12322
98fc4386
JB		 12323 regular = true;
12324
ff1b6e69
JB		 12325 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
12326 rem)
12327 n_patterns++;
12328 if (n_patterns > wowlan->n_patterns)
12329 return -EINVAL;
12330
12331 new_triggers.patterns = kcalloc(n_patterns,
12332 sizeof(new_triggers.patterns[0]),
12333 GFP_KERNEL);
12334 if (!new_triggers.patterns)
12335 return -ENOMEM;
12336
12337 new_triggers.n_patterns = n_patterns;
12338 i = 0;
12339
12340 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
12341 rem) {
922bd80f
JB		 12342 u8 *mask_pat;
12343
8cb08174
JB		 12344 err = nla_parse_nested_deprecated(pat_tb,
12345 MAX_NL80211_PKTPAT,
12346 pat,
12347 nl80211_packet_pattern_policy,
12348 info->extack);
95bca62f
JB		 12349 if (err)
12350 goto error;
12351
ff1b6e69 12352 err = -EINVAL;
50ac6607
AK		 12353 if (!pat_tb[NL80211_PKTPAT_MASK] ||
12354 !pat_tb[NL80211_PKTPAT_PATTERN])
ff1b6e69 12355 goto error;
50ac6607 12356 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
ff1b6e69 12357 mask_len = DIV_ROUND_UP(pat_len, 8);
50ac6607 12358 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
ff1b6e69
JB		 12359 goto error;
12360 if (pat_len > wowlan->pattern_max_len ||
12361 pat_len < wowlan->pattern_min_len)
12362 goto error;
12363
50ac6607 12364 if (!pat_tb[NL80211_PKTPAT_OFFSET])
bb92d199
AK		 12365 pkt_offset = 0;
12366 else
12367 pkt_offset = nla_get_u32(
50ac6607 12368 pat_tb[NL80211_PKTPAT_OFFSET]);
bb92d199
AK		 12369 if (pkt_offset > wowlan->max_pkt_offset)
12370 goto error;
12371 new_triggers.patterns[i].pkt_offset = pkt_offset;
12372
922bd80f
JB		 12373 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
12374 if (!mask_pat) {
ff1b6e69
JB		 12375 err = -ENOMEM;
12376 goto error;
12377 }
922bd80f
JB		 12378 new_triggers.patterns[i].mask = mask_pat;
12379 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
ff1b6e69 12380 mask_len);
922bd80f
JB		 12381 mask_pat += mask_len;
12382 new_triggers.patterns[i].pattern = mask_pat;
ff1b6e69 12383 new_triggers.patterns[i].pattern_len = pat_len;
922bd80f 12384 memcpy(mask_pat,
50ac6607 12385 nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
ff1b6e69
JB		 12386 pat_len);
12387 i++;
12388 }
12389 }
12390
2a0e047e 12391 if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) {
98fc4386 12392 regular = true;
2a0e047e
JB		 12393 err = nl80211_parse_wowlan_tcp(
12394 rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION],
12395 &new_triggers);
12396 if (err)
12397 goto error;
12398 }
12399
8cd4d456 12400 if (tb[NL80211_WOWLAN_TRIG_NET_DETECT]) {
98fc4386 12401 regular = true;
8cd4d456
LC		 12402 err = nl80211_parse_wowlan_nd(
12403 rdev, wowlan, tb[NL80211_WOWLAN_TRIG_NET_DETECT],
12404 &new_triggers);
12405 if (err)
12406 goto error;
12407 }
12408
98fc4386
JB		 12409 /* The 'any' trigger means the device continues operating more or less
12410 * as in its normal operation mode and wakes up the host on most of the
12411 * normal interrupts (like packet RX, ...)
12412 * It therefore makes little sense to combine with the more constrained
12413 * wakeup trigger modes.
12414 */
12415 if (new_triggers.any && regular) {
12416 err = -EINVAL;
12417 goto error;
12418 }
12419
ae33bd81
JB		 12420 ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL);
12421 if (!ntrig) {
12422 err = -ENOMEM;
12423 goto error;
ff1b6e69 12424 }
ae33bd81 12425 cfg80211_rdev_free_wowlan(rdev);
6abb9cb9 12426 rdev->wiphy.wowlan_config = ntrig;
ff1b6e69 12427
ae33bd81 12428 set_wakeup:
6abb9cb9
JB		 12429 if (rdev->ops->set_wakeup &&
12430 prev_enabled != !!rdev->wiphy.wowlan_config)
12431 rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config);
6d52563f 12432
ff1b6e69
JB		 12433 return 0;
12434 error:
12435 for (i = 0; i < new_triggers.n_patterns; i++)
12436 kfree(new_triggers.patterns[i].mask);
12437 kfree(new_triggers.patterns);
2a0e047e
JB		 12438 if (new_triggers.tcp && new_triggers.tcp->sock)
12439 sock_release(new_triggers.tcp->sock);
12440 kfree(new_triggers.tcp);
e5dbe070 12441 kfree(new_triggers.nd_config);
ff1b6e69
JB		 12442 return err;
12443}
dfb89c56 12444#endif
ff1b6e69 12445
be29b99a
AK		 12446static int nl80211_send_coalesce_rules(struct sk_buff *msg,
12447 struct cfg80211_registered_device *rdev)
12448{
12449 struct nlattr *nl_pats, *nl_pat, *nl_rule, *nl_rules;
12450 int i, j, pat_len;
12451 struct cfg80211_coalesce_rules *rule;
12452
12453 if (!rdev->coalesce->n_rules)
12454 return 0;
12455
ae0be8de 12456 nl_rules = nla_nest_start_noflag(msg, NL80211_ATTR_COALESCE_RULE);
be29b99a
AK		 12457 if (!nl_rules)
12458 return -ENOBUFS;
12459
12460 for (i = 0; i < rdev->coalesce->n_rules; i++) {
ae0be8de 12461 nl_rule = nla_nest_start_noflag(msg, i + 1);
be29b99a
AK		 12462 if (!nl_rule)
12463 return -ENOBUFS;
12464
12465 rule = &rdev->coalesce->rules[i];
12466 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_DELAY,
12467 rule->delay))
12468 return -ENOBUFS;
12469
12470 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_CONDITION,
12471 rule->condition))
12472 return -ENOBUFS;
12473
ae0be8de
MK		 12474 nl_pats = nla_nest_start_noflag(msg,
12475 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN);
be29b99a
AK		 12476 if (!nl_pats)
12477 return -ENOBUFS;
12478
12479 for (j = 0; j < rule->n_patterns; j++) {
ae0be8de 12480 nl_pat = nla_nest_start_noflag(msg, j + 1);
be29b99a
AK		 12481 if (!nl_pat)
12482 return -ENOBUFS;
12483 pat_len = rule->patterns[j].pattern_len;
12484 if (nla_put(msg, NL80211_PKTPAT_MASK,
12485 DIV_ROUND_UP(pat_len, 8),
12486 rule->patterns[j].mask) ||
12487 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
12488 rule->patterns[j].pattern) ||
12489 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
12490 rule->patterns[j].pkt_offset))
12491 return -ENOBUFS;
12492 nla_nest_end(msg, nl_pat);
12493 }
12494 nla_nest_end(msg, nl_pats);
12495 nla_nest_end(msg, nl_rule);
12496 }
12497 nla_nest_end(msg, nl_rules);
12498
12499 return 0;
12500}
12501
12502static int nl80211_get_coalesce(struct sk_buff *skb, struct genl_info *info)
12503{
12504 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12505 struct sk_buff *msg;
12506 void *hdr;
12507
12508 if (!rdev->wiphy.coalesce)
12509 return -EOPNOTSUPP;
12510
12511 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12512 if (!msg)
12513 return -ENOMEM;
12514
12515 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
12516 NL80211_CMD_GET_COALESCE);
12517 if (!hdr)
12518 goto nla_put_failure;
12519
12520 if (rdev->coalesce && nl80211_send_coalesce_rules(msg, rdev))
12521 goto nla_put_failure;
12522
12523 genlmsg_end(msg, hdr);
12524 return genlmsg_reply(msg, info);
12525
12526nla_put_failure:
12527 nlmsg_free(msg);
12528 return -ENOBUFS;
12529}
12530
12531void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev)
12532{
12533 struct cfg80211_coalesce *coalesce = rdev->coalesce;
12534 int i, j;
12535 struct cfg80211_coalesce_rules *rule;
12536
12537 if (!coalesce)
12538 return;
12539
12540 for (i = 0; i < coalesce->n_rules; i++) {
12541 rule = &coalesce->rules[i];
12542 for (j = 0; j < rule->n_patterns; j++)
12543 kfree(rule->patterns[j].mask);
12544 kfree(rule->patterns);
12545 }
12546 kfree(coalesce->rules);
12547 kfree(coalesce);
12548 rdev->coalesce = NULL;
12549}
12550
12551static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev,
12552 struct nlattr *rule,
12553 struct cfg80211_coalesce_rules *new_rule)
12554{
12555 int err, i;
12556 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
12557 struct nlattr *tb[NUM_NL80211_ATTR_COALESCE_RULE], *pat;
12558 int rem, pat_len, mask_len, pkt_offset, n_patterns = 0;
12559 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
12560
8cb08174
JB		 12561 err = nla_parse_nested_deprecated(tb, NL80211_ATTR_COALESCE_RULE_MAX,
12562 rule, nl80211_coalesce_policy, NULL);
be29b99a
AK		 12563 if (err)
12564 return err;
12565
12566 if (tb[NL80211_ATTR_COALESCE_RULE_DELAY])
12567 new_rule->delay =
12568 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_DELAY]);
12569 if (new_rule->delay > coalesce->max_delay)
12570 return -EINVAL;
12571
12572 if (tb[NL80211_ATTR_COALESCE_RULE_CONDITION])
12573 new_rule->condition =
12574 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_CONDITION]);
be29b99a
AK		 12575
12576 if (!tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN])
12577 return -EINVAL;
12578
12579 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
12580 rem)
12581 n_patterns++;
12582 if (n_patterns > coalesce->n_patterns)
12583 return -EINVAL;
12584
12585 new_rule->patterns = kcalloc(n_patterns, sizeof(new_rule->patterns[0]),
12586 GFP_KERNEL);
12587 if (!new_rule->patterns)
12588 return -ENOMEM;
12589
12590 new_rule->n_patterns = n_patterns;
12591 i = 0;
12592
12593 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
12594 rem) {
922bd80f
JB		 12595 u8 *mask_pat;
12596
8cb08174
JB		 12597 err = nla_parse_nested_deprecated(pat_tb, MAX_NL80211_PKTPAT,
12598 pat,
12599 nl80211_packet_pattern_policy,
12600 NULL);
95bca62f
JB		 12601 if (err)
12602 return err;
12603
be29b99a
AK		 12604 if (!pat_tb[NL80211_PKTPAT_MASK] ||
12605 !pat_tb[NL80211_PKTPAT_PATTERN])
12606 return -EINVAL;
12607 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
12608 mask_len = DIV_ROUND_UP(pat_len, 8);
12609 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
12610 return -EINVAL;
12611 if (pat_len > coalesce->pattern_max_len ||
12612 pat_len < coalesce->pattern_min_len)
12613 return -EINVAL;
12614
12615 if (!pat_tb[NL80211_PKTPAT_OFFSET])
12616 pkt_offset = 0;
12617 else
12618 pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]);
12619 if (pkt_offset > coalesce->max_pkt_offset)
12620 return -EINVAL;
12621 new_rule->patterns[i].pkt_offset = pkt_offset;
12622
922bd80f
JB		 12623 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
12624 if (!mask_pat)
be29b99a 12625 return -ENOMEM;
922bd80f
JB		 12626
12627 new_rule->patterns[i].mask = mask_pat;
12628 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
12629 mask_len);
12630
12631 mask_pat += mask_len;
12632 new_rule->patterns[i].pattern = mask_pat;
be29b99a 12633 new_rule->patterns[i].pattern_len = pat_len;
922bd80f
JB		 12634 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
12635 pat_len);
be29b99a
AK		 12636 i++;
12637 }
12638
12639 return 0;
12640}
12641
12642static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info)
12643{
12644 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12645 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
12646 struct cfg80211_coalesce new_coalesce = {};
12647 struct cfg80211_coalesce *n_coalesce;
12648 int err, rem_rule, n_rules = 0, i, j;
12649 struct nlattr *rule;
12650 struct cfg80211_coalesce_rules *tmp_rule;
12651
12652 if (!rdev->wiphy.coalesce || !rdev->ops->set_coalesce)
12653 return -EOPNOTSUPP;
12654
12655 if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) {
12656 cfg80211_rdev_free_coalesce(rdev);
a1056b1b 12657 rdev_set_coalesce(rdev, NULL);
be29b99a
AK		 12658 return 0;
12659 }
12660
12661 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
12662 rem_rule)
12663 n_rules++;
12664 if (n_rules > coalesce->n_rules)
12665 return -EINVAL;
12666
12667 new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]),
12668 GFP_KERNEL);
12669 if (!new_coalesce.rules)
12670 return -ENOMEM;
12671
12672 new_coalesce.n_rules = n_rules;
12673 i = 0;
12674
12675 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
12676 rem_rule) {
12677 err = nl80211_parse_coalesce_rule(rdev, rule,
12678 &new_coalesce.rules[i]);
12679 if (err)
12680 goto error;
12681
12682 i++;
12683 }
12684
a1056b1b 12685 err = rdev_set_coalesce(rdev, &new_coalesce);
be29b99a
AK		 12686 if (err)
12687 goto error;
12688
12689 n_coalesce = kmemdup(&new_coalesce, sizeof(new_coalesce), GFP_KERNEL);
12690 if (!n_coalesce) {
12691 err = -ENOMEM;
12692 goto error;
12693 }
12694 cfg80211_rdev_free_coalesce(rdev);
12695 rdev->coalesce = n_coalesce;
12696
12697 return 0;
12698error:
12699 for (i = 0; i < new_coalesce.n_rules; i++) {
12700 tmp_rule = &new_coalesce.rules[i];
12701 for (j = 0; j < tmp_rule->n_patterns; j++)
12702 kfree(tmp_rule->patterns[j].mask);
12703 kfree(tmp_rule->patterns);
12704 }
12705 kfree(new_coalesce.rules);
12706
12707 return err;
12708}
12709
e5497d76
JB		 12710static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info)
12711{
12712 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12713 struct net_device *dev = info->user_ptr[1];
12714 struct wireless_dev *wdev = dev->ieee80211_ptr;
12715 struct nlattr *tb[NUM_NL80211_REKEY_DATA];
f495acd8 12716 struct cfg80211_gtk_rekey_data rekey_data = {};
e5497d76
JB		 12717 int err;
12718
12719 if (!info->attrs[NL80211_ATTR_REKEY_DATA])
12720 return -EINVAL;
12721
8cb08174
JB		 12722 err = nla_parse_nested_deprecated(tb, MAX_NL80211_REKEY_DATA,
12723 info->attrs[NL80211_ATTR_REKEY_DATA],
12724 nl80211_rekey_policy, info->extack);
e5497d76
JB		 12725 if (err)
12726 return err;
12727
e785fa0a
VD		 12728 if (!tb[NL80211_REKEY_DATA_REPLAY_CTR] || !tb[NL80211_REKEY_DATA_KEK] ||
12729 !tb[NL80211_REKEY_DATA_KCK])
12730 return -EINVAL;
093a48d2
NE		 12731 if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN &&
12732 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK &&
12733 nla_len(tb[NL80211_REKEY_DATA_KEK]) == NL80211_KEK_EXT_LEN))
e5497d76 12734 return -ERANGE;
093a48d2
NE		 12735 if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN &&
12736 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK &&
12737 nla_len(tb[NL80211_REKEY_DATA_KEK]) == NL80211_KCK_EXT_LEN))
e5497d76
JB		 12738 return -ERANGE;
12739
78f686ca
JB		 12740 rekey_data.kek = nla_data(tb[NL80211_REKEY_DATA_KEK]);
12741 rekey_data.kck = nla_data(tb[NL80211_REKEY_DATA_KCK]);
12742 rekey_data.replay_ctr = nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]);
093a48d2
NE		 12743 rekey_data.kek_len = nla_len(tb[NL80211_REKEY_DATA_KEK]);
12744 rekey_data.kck_len = nla_len(tb[NL80211_REKEY_DATA_KCK]);
12745 if (tb[NL80211_REKEY_DATA_AKM])
12746 rekey_data.akm = nla_get_u32(tb[NL80211_REKEY_DATA_AKM]);
e5497d76
JB		 12747
12748 wdev_lock(wdev);
12749 if (!wdev->current_bss) {
12750 err = -ENOTCONN;
12751 goto out;
12752 }
12753
12754 if (!rdev->ops->set_rekey_data) {
12755 err = -EOPNOTSUPP;
12756 goto out;
12757 }
12758
e35e4d28 12759 err = rdev_set_rekey_data(rdev, dev, &rekey_data);
e5497d76
JB		 12760 out:
12761 wdev_unlock(wdev);
12762 return err;
12763}
12764
28946da7
JB		 12765static int nl80211_register_unexpected_frame(struct sk_buff *skb,
12766 struct genl_info *info)
12767{
12768 struct net_device *dev = info->user_ptr[1];
12769 struct wireless_dev *wdev = dev->ieee80211_ptr;
12770
12771 if (wdev->iftype != NL80211_IFTYPE_AP &&
12772 wdev->iftype != NL80211_IFTYPE_P2P_GO)
12773 return -EINVAL;
12774
15e47304 12775 if (wdev->ap_unexpected_nlportid)
28946da7
JB		 12776 return -EBUSY;
12777
15e47304 12778 wdev->ap_unexpected_nlportid = info->snd_portid;
28946da7
JB		 12779 return 0;
12780}
12781
7f6cf311
JB		 12782static int nl80211_probe_client(struct sk_buff *skb,
12783 struct genl_info *info)
12784{
12785 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12786 struct net_device *dev = info->user_ptr[1];
12787 struct wireless_dev *wdev = dev->ieee80211_ptr;
12788 struct sk_buff *msg;
12789 void *hdr;
12790 const u8 *addr;
12791 u64 cookie;
12792 int err;
12793
12794 if (wdev->iftype != NL80211_IFTYPE_AP &&
12795 wdev->iftype != NL80211_IFTYPE_P2P_GO)
12796 return -EOPNOTSUPP;
12797
12798 if (!info->attrs[NL80211_ATTR_MAC])
12799 return -EINVAL;
12800
12801 if (!rdev->ops->probe_client)
12802 return -EOPNOTSUPP;
12803
12804 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12805 if (!msg)
12806 return -ENOMEM;
12807
15e47304 12808 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
7f6cf311 12809 NL80211_CMD_PROBE_CLIENT);
cb35fba3
DC		 12810 if (!hdr) {
12811 err = -ENOBUFS;
7f6cf311
JB		 12812 goto free_msg;
12813 }
12814
12815 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
12816
e35e4d28 12817 err = rdev_probe_client(rdev, dev, addr, &cookie);
7f6cf311
JB		 12818 if (err)
12819 goto free_msg;
12820
2dad624e
ND		 12821 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
12822 NL80211_ATTR_PAD))
9360ffd1 12823 goto nla_put_failure;
7f6cf311
JB		 12824
12825 genlmsg_end(msg, hdr);
12826
12827 return genlmsg_reply(msg, info);
12828
12829 nla_put_failure:
12830 err = -ENOBUFS;
12831 free_msg:
12832 nlmsg_free(msg);
12833 return err;
12834}
12835
5e760230
JB		 12836static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info)
12837{
12838 struct cfg80211_registered_device *rdev = info->user_ptr[0];
37c73b5f
BG		 12839 struct cfg80211_beacon_registration *reg, *nreg;
12840 int rv;
5e760230
JB		 12841
12842 if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS))
12843 return -EOPNOTSUPP;
12844
37c73b5f
BG		 12845 nreg = kzalloc(sizeof(*nreg), GFP_KERNEL);
12846 if (!nreg)
12847 return -ENOMEM;
12848
12849 /* First, check if already registered. */
12850 spin_lock_bh(&rdev->beacon_registrations_lock);
12851 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
12852 if (reg->nlportid == info->snd_portid) {
12853 rv = -EALREADY;
12854 goto out_err;
12855 }
12856 }
12857 /* Add it to the list */
12858 nreg->nlportid = info->snd_portid;
12859 list_add(&nreg->list, &rdev->beacon_registrations);
5e760230 12860
37c73b5f 12861 spin_unlock_bh(&rdev->beacon_registrations_lock);
5e760230
JB		 12862
12863 return 0;
37c73b5f
BG		 12864out_err:
12865 spin_unlock_bh(&rdev->beacon_registrations_lock);
12866 kfree(nreg);
12867 return rv;
5e760230
JB		 12868}
12869
98104fde
JB		 12870static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info)
12871{
12872 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12873 struct wireless_dev *wdev = info->user_ptr[1];
12874 int err;
12875
12876 if (!rdev->ops->start_p2p_device)
12877 return -EOPNOTSUPP;
12878
12879 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
12880 return -EOPNOTSUPP;
12881
73c7da3d 12882 if (wdev_running(wdev))
98104fde
JB		 12883 return 0;
12884
b6a55015
LC		 12885 if (rfkill_blocked(rdev->rfkill))
12886 return -ERFKILL;
98104fde 12887
eeb126e9 12888 err = rdev_start_p2p_device(rdev, wdev);
98104fde
JB		 12889 if (err)
12890 return err;
12891
73c7da3d 12892 wdev->is_running = true;
98104fde 12893 rdev->opencount++;
98104fde
JB		 12894
12895 return 0;
12896}
12897
12898static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info)
12899{
12900 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12901 struct wireless_dev *wdev = info->user_ptr[1];
12902
12903 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
12904 return -EOPNOTSUPP;
12905
12906 if (!rdev->ops->stop_p2p_device)
12907 return -EOPNOTSUPP;
12908
f9f47529 12909 cfg80211_stop_p2p_device(rdev, wdev);
98104fde
JB		 12910
12911 return 0;
12912}
12913
cb3b7d87
AB		 12914static int nl80211_start_nan(struct sk_buff *skb, struct genl_info *info)
12915{
12916 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12917 struct wireless_dev *wdev = info->user_ptr[1];
12918 struct cfg80211_nan_conf conf = {};
12919 int err;
12920
12921 if (wdev->iftype != NL80211_IFTYPE_NAN)
12922 return -EOPNOTSUPP;
12923
eeb04a96 12924 if (wdev_running(wdev))
cb3b7d87
AB		 12925 return -EEXIST;
12926
12927 if (rfkill_blocked(rdev->rfkill))
12928 return -ERFKILL;
12929
12930 if (!info->attrs[NL80211_ATTR_NAN_MASTER_PREF])
12931 return -EINVAL;
12932
cb3b7d87
AB		 12933 conf.master_pref =
12934 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
cb3b7d87 12935
8585989d
LC		 12936 if (info->attrs[NL80211_ATTR_BANDS]) {
12937 u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]);
12938
12939 if (bands & ~(u32)wdev->wiphy->nan_supported_bands)
12940 return -EOPNOTSUPP;
12941
12942 if (bands && !(bands & BIT(NL80211_BAND_2GHZ)))
12943 return -EINVAL;
12944
12945 conf.bands = bands;
12946 }
cb3b7d87
AB		 12947
12948 err = rdev_start_nan(rdev, wdev, &conf);
12949 if (err)
12950 return err;
12951
73c7da3d 12952 wdev->is_running = true;
cb3b7d87
AB		 12953 rdev->opencount++;
12954
12955 return 0;
12956}
12957
12958static int nl80211_stop_nan(struct sk_buff *skb, struct genl_info *info)
12959{
12960 struct cfg80211_registered_device *rdev = info->user_ptr[0];
12961 struct wireless_dev *wdev = info->user_ptr[1];
12962
12963 if (wdev->iftype != NL80211_IFTYPE_NAN)
12964 return -EOPNOTSUPP;
12965
12966 cfg80211_stop_nan(rdev, wdev);
12967
12968 return 0;
12969}
12970
a442b761
AB		 12971static int validate_nan_filter(struct nlattr *filter_attr)
12972{
12973 struct nlattr *attr;
12974 int len = 0, n_entries = 0, rem;
12975
12976 nla_for_each_nested(attr, filter_attr, rem) {
12977 len += nla_len(attr);
12978 n_entries++;
12979 }
12980
12981 if (len >= U8_MAX)
12982 return -EINVAL;
12983
12984 return n_entries;
12985}
12986
12987static int handle_nan_filter(struct nlattr *attr_filter,
12988 struct cfg80211_nan_func *func,
12989 bool tx)
12990{
12991 struct nlattr *attr;
12992 int n_entries, rem, i;
12993 struct cfg80211_nan_func_filter *filter;
12994
12995 n_entries = validate_nan_filter(attr_filter);
12996 if (n_entries < 0)
12997 return n_entries;
12998
12999 BUILD_BUG_ON(sizeof(*func->rx_filters) != sizeof(*func->tx_filters));
13000
13001 filter = kcalloc(n_entries, sizeof(*func->rx_filters), GFP_KERNEL);
13002 if (!filter)
13003 return -ENOMEM;
13004
13005 i = 0;
13006 nla_for_each_nested(attr, attr_filter, rem) {
b15ca182 13007 filter[i].filter = nla_memdup(attr, GFP_KERNEL);
a442b761
AB		 13008 filter[i].len = nla_len(attr);
13009 i++;
13010 }
13011 if (tx) {
13012 func->num_tx_filters = n_entries;
13013 func->tx_filters = filter;
13014 } else {
13015 func->num_rx_filters = n_entries;
13016 func->rx_filters = filter;
13017 }
13018
13019 return 0;
13020}
13021
13022static int nl80211_nan_add_func(struct sk_buff *skb,
13023 struct genl_info *info)
13024{
13025 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13026 struct wireless_dev *wdev = info->user_ptr[1];
13027 struct nlattr *tb[NUM_NL80211_NAN_FUNC_ATTR], *func_attr;
13028 struct cfg80211_nan_func *func;
13029 struct sk_buff *msg = NULL;
13030 void *hdr = NULL;
13031 int err = 0;
13032
13033 if (wdev->iftype != NL80211_IFTYPE_NAN)
13034 return -EOPNOTSUPP;
13035
73c7da3d 13036 if (!wdev_running(wdev))
a442b761
AB		 13037 return -ENOTCONN;
13038
13039 if (!info->attrs[NL80211_ATTR_NAN_FUNC])
13040 return -EINVAL;
13041
8cb08174
JB		 13042 err = nla_parse_nested_deprecated(tb, NL80211_NAN_FUNC_ATTR_MAX,
13043 info->attrs[NL80211_ATTR_NAN_FUNC],
13044 nl80211_nan_func_policy,
13045 info->extack);
a442b761
AB		 13046 if (err)
13047 return err;
13048
13049 func = kzalloc(sizeof(*func), GFP_KERNEL);
13050 if (!func)
13051 return -ENOMEM;
13052
b60ad348 13053 func->cookie = cfg80211_assign_cookie(rdev);
a442b761 13054
cb9abd48 13055 if (!tb[NL80211_NAN_FUNC_TYPE]) {
a442b761
AB		 13056 err = -EINVAL;
13057 goto out;
13058 }
13059
13060
13061 func->type = nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]);
13062
13063 if (!tb[NL80211_NAN_FUNC_SERVICE_ID]) {
13064 err = -EINVAL;
13065 goto out;
13066 }
13067
13068 memcpy(func->service_id, nla_data(tb[NL80211_NAN_FUNC_SERVICE_ID]),
13069 sizeof(func->service_id));
13070
13071 func->close_range =
13072 nla_get_flag(tb[NL80211_NAN_FUNC_CLOSE_RANGE]);
13073
13074 if (tb[NL80211_NAN_FUNC_SERVICE_INFO]) {
13075 func->serv_spec_info_len =
13076 nla_len(tb[NL80211_NAN_FUNC_SERVICE_INFO]);
13077 func->serv_spec_info =
13078 kmemdup(nla_data(tb[NL80211_NAN_FUNC_SERVICE_INFO]),
13079 func->serv_spec_info_len,
13080 GFP_KERNEL);
13081 if (!func->serv_spec_info) {
13082 err = -ENOMEM;
13083 goto out;
13084 }
13085 }
13086
13087 if (tb[NL80211_NAN_FUNC_TTL])
13088 func->ttl = nla_get_u32(tb[NL80211_NAN_FUNC_TTL]);
13089
13090 switch (func->type) {
13091 case NL80211_NAN_FUNC_PUBLISH:
13092 if (!tb[NL80211_NAN_FUNC_PUBLISH_TYPE]) {
13093 err = -EINVAL;
13094 goto out;
13095 }
13096
13097 func->publish_type =
13098 nla_get_u8(tb[NL80211_NAN_FUNC_PUBLISH_TYPE]);
13099 func->publish_bcast =
13100 nla_get_flag(tb[NL80211_NAN_FUNC_PUBLISH_BCAST]);
13101
13102 if ((!(func->publish_type & NL80211_NAN_SOLICITED_PUBLISH)) &&
13103 func->publish_bcast) {
13104 err = -EINVAL;
13105 goto out;
13106 }
13107 break;
13108 case NL80211_NAN_FUNC_SUBSCRIBE:
13109 func->subscribe_active =
13110 nla_get_flag(tb[NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE]);
13111 break;
13112 case NL80211_NAN_FUNC_FOLLOW_UP:
13113 if (!tb[NL80211_NAN_FUNC_FOLLOW_UP_ID] ||
3ea15452
HC		 13114 !tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] ||
13115 !tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]) {
a442b761
AB		 13116 err = -EINVAL;
13117 goto out;
13118 }
13119
13120 func->followup_id =
13121 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_ID]);
13122 func->followup_reqid =
13123 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID]);
13124 memcpy(func->followup_dest.addr,
13125 nla_data(tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]),
13126 sizeof(func->followup_dest.addr));
13127 if (func->ttl) {
13128 err = -EINVAL;
13129 goto out;
13130 }
13131 break;
13132 default:
13133 err = -EINVAL;
13134 goto out;
13135 }
13136
13137 if (tb[NL80211_NAN_FUNC_SRF]) {
13138 struct nlattr *srf_tb[NUM_NL80211_NAN_SRF_ATTR];
13139
8cb08174
JB		 13140 err = nla_parse_nested_deprecated(srf_tb,
13141 NL80211_NAN_SRF_ATTR_MAX,
13142 tb[NL80211_NAN_FUNC_SRF],
13143 nl80211_nan_srf_policy,
13144 info->extack);
a442b761
AB		 13145 if (err)
13146 goto out;
13147
13148 func->srf_include =
13149 nla_get_flag(srf_tb[NL80211_NAN_SRF_INCLUDE]);
13150
13151 if (srf_tb[NL80211_NAN_SRF_BF]) {
13152 if (srf_tb[NL80211_NAN_SRF_MAC_ADDRS] ||
13153 !srf_tb[NL80211_NAN_SRF_BF_IDX]) {
13154 err = -EINVAL;
13155 goto out;
13156 }
13157
13158 func->srf_bf_len =
13159 nla_len(srf_tb[NL80211_NAN_SRF_BF]);
13160 func->srf_bf =
13161 kmemdup(nla_data(srf_tb[NL80211_NAN_SRF_BF]),
13162 func->srf_bf_len, GFP_KERNEL);
13163 if (!func->srf_bf) {
13164 err = -ENOMEM;
13165 goto out;
13166 }
13167
13168 func->srf_bf_idx =
13169 nla_get_u8(srf_tb[NL80211_NAN_SRF_BF_IDX]);
13170 } else {
13171 struct nlattr *attr, *mac_attr =
13172 srf_tb[NL80211_NAN_SRF_MAC_ADDRS];
13173 int n_entries, rem, i = 0;
13174
13175 if (!mac_attr) {
13176 err = -EINVAL;
13177 goto out;
13178 }
13179
13180 n_entries = validate_acl_mac_addrs(mac_attr);
13181 if (n_entries <= 0) {
13182 err = -EINVAL;
13183 goto out;
13184 }
13185
13186 func->srf_num_macs = n_entries;
13187 func->srf_macs =
6396bb22 13188 kcalloc(n_entries, sizeof(*func->srf_macs),
a442b761
AB		 13189 GFP_KERNEL);
13190 if (!func->srf_macs) {
13191 err = -ENOMEM;
13192 goto out;
13193 }
13194
13195 nla_for_each_nested(attr, mac_attr, rem)
13196 memcpy(func->srf_macs[i++].addr, nla_data(attr),
13197 sizeof(*func->srf_macs));
13198 }
13199 }
13200
13201 if (tb[NL80211_NAN_FUNC_TX_MATCH_FILTER]) {
13202 err = handle_nan_filter(tb[NL80211_NAN_FUNC_TX_MATCH_FILTER],
13203 func, true);
13204 if (err)
13205 goto out;
13206 }
13207
13208 if (tb[NL80211_NAN_FUNC_RX_MATCH_FILTER]) {
13209 err = handle_nan_filter(tb[NL80211_NAN_FUNC_RX_MATCH_FILTER],
13210 func, false);
13211 if (err)
13212 goto out;
13213 }
13214
13215 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
13216 if (!msg) {
13217 err = -ENOMEM;
13218 goto out;
13219 }
13220
13221 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
13222 NL80211_CMD_ADD_NAN_FUNCTION);
13223 /* This can't really happen - we just allocated 4KB */
13224 if (WARN_ON(!hdr)) {
13225 err = -ENOMEM;
13226 goto out;
13227 }
13228
13229 err = rdev_add_nan_func(rdev, wdev, func);
13230out:
13231 if (err < 0) {
13232 cfg80211_free_nan_func(func);
13233 nlmsg_free(msg);
13234 return err;
13235 }
13236
13237 /* propagate the instance id and cookie to userspace */
13238 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, func->cookie,
13239 NL80211_ATTR_PAD))
13240 goto nla_put_failure;
13241
ae0be8de 13242 func_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_FUNC);
a442b761
AB		 13243 if (!func_attr)
13244 goto nla_put_failure;
13245
13246 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID,
13247 func->instance_id))
13248 goto nla_put_failure;
13249
13250 nla_nest_end(msg, func_attr);
13251
13252 genlmsg_end(msg, hdr);
13253 return genlmsg_reply(msg, info);
13254
13255nla_put_failure:
13256 nlmsg_free(msg);
13257 return -ENOBUFS;
13258}
13259
13260static int nl80211_nan_del_func(struct sk_buff *skb,
13261 struct genl_info *info)
13262{
13263 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13264 struct wireless_dev *wdev = info->user_ptr[1];
13265 u64 cookie;
13266
13267 if (wdev->iftype != NL80211_IFTYPE_NAN)
13268 return -EOPNOTSUPP;
13269
73c7da3d 13270 if (!wdev_running(wdev))
a442b761
AB		 13271 return -ENOTCONN;
13272
13273 if (!info->attrs[NL80211_ATTR_COOKIE])
13274 return -EINVAL;
13275
a442b761
AB		 13276 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
13277
13278 rdev_del_nan_func(rdev, wdev, cookie);
13279
13280 return 0;
13281}
13282
a5a9dcf2
AB		 13283static int nl80211_nan_change_config(struct sk_buff *skb,
13284 struct genl_info *info)
13285{
13286 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13287 struct wireless_dev *wdev = info->user_ptr[1];
13288 struct cfg80211_nan_conf conf = {};
13289 u32 changed = 0;
13290
13291 if (wdev->iftype != NL80211_IFTYPE_NAN)
13292 return -EOPNOTSUPP;
13293
73c7da3d 13294 if (!wdev_running(wdev))
a5a9dcf2
AB		 13295 return -ENOTCONN;
13296
13297 if (info->attrs[NL80211_ATTR_NAN_MASTER_PREF]) {
13298 conf.master_pref =
13299 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
13300 if (conf.master_pref <= 1 || conf.master_pref == 255)
13301 return -EINVAL;
13302
13303 changed |= CFG80211_NAN_CONF_CHANGED_PREF;
13304 }
13305
8585989d
LC		 13306 if (info->attrs[NL80211_ATTR_BANDS]) {
13307 u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]);
13308
13309 if (bands & ~(u32)wdev->wiphy->nan_supported_bands)
13310 return -EOPNOTSUPP;
13311
13312 if (bands && !(bands & BIT(NL80211_BAND_2GHZ)))
13313 return -EINVAL;
13314
13315 conf.bands = bands;
13316 changed |= CFG80211_NAN_CONF_CHANGED_BANDS;
a5a9dcf2
AB		 13317 }
13318
13319 if (!changed)
13320 return -EINVAL;
13321
13322 return rdev_nan_change_conf(rdev, wdev, &conf, changed);
13323}
13324
50bcd31d
AB		 13325void cfg80211_nan_match(struct wireless_dev *wdev,
13326 struct cfg80211_nan_match_params *match, gfp_t gfp)
13327{
13328 struct wiphy *wiphy = wdev->wiphy;
13329 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
13330 struct nlattr *match_attr, *local_func_attr, *peer_func_attr;
13331 struct sk_buff *msg;
13332 void *hdr;
13333
13334 if (WARN_ON(!match->inst_id || !match->peer_inst_id || !match->addr))
13335 return;
13336
13337 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
13338 if (!msg)
13339 return;
13340
13341 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NAN_MATCH);
13342 if (!hdr) {
13343 nlmsg_free(msg);
13344 return;
13345 }
13346
13347 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13348 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
13349 wdev->netdev->ifindex)) ||
13350 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
13351 NL80211_ATTR_PAD))
13352 goto nla_put_failure;
13353
13354 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, match->cookie,
13355 NL80211_ATTR_PAD) ||
13356 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, match->addr))
13357 goto nla_put_failure;
13358
ae0be8de 13359 match_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_MATCH);
50bcd31d
AB		 13360 if (!match_attr)
13361 goto nla_put_failure;
13362
ae0be8de
MK		 13363 local_func_attr = nla_nest_start_noflag(msg,
13364 NL80211_NAN_MATCH_FUNC_LOCAL);
50bcd31d
AB		 13365 if (!local_func_attr)
13366 goto nla_put_failure;
13367
13368 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->inst_id))
13369 goto nla_put_failure;
13370
13371 nla_nest_end(msg, local_func_attr);
13372
ae0be8de
MK		 13373 peer_func_attr = nla_nest_start_noflag(msg,
13374 NL80211_NAN_MATCH_FUNC_PEER);
50bcd31d
AB		 13375 if (!peer_func_attr)
13376 goto nla_put_failure;
13377
13378 if (nla_put_u8(msg, NL80211_NAN_FUNC_TYPE, match->type) ||
13379 nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->peer_inst_id))
13380 goto nla_put_failure;
13381
13382 if (match->info && match->info_len &&
13383 nla_put(msg, NL80211_NAN_FUNC_SERVICE_INFO, match->info_len,
13384 match->info))
13385 goto nla_put_failure;
13386
13387 nla_nest_end(msg, peer_func_attr);
13388 nla_nest_end(msg, match_attr);
13389 genlmsg_end(msg, hdr);
13390
13391 if (!wdev->owner_nlportid)
13392 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
13393 msg, 0, NL80211_MCGRP_NAN, gfp);
13394 else
13395 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
13396 wdev->owner_nlportid);
13397
13398 return;
13399
13400nla_put_failure:
13401 nlmsg_free(msg);
13402}
13403EXPORT_SYMBOL(cfg80211_nan_match);
13404
368e5a7b
AB		 13405void cfg80211_nan_func_terminated(struct wireless_dev *wdev,
13406 u8 inst_id,
13407 enum nl80211_nan_func_term_reason reason,
13408 u64 cookie, gfp_t gfp)
13409{
13410 struct wiphy *wiphy = wdev->wiphy;
13411 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
13412 struct sk_buff *msg;
13413 struct nlattr *func_attr;
13414 void *hdr;
13415
13416 if (WARN_ON(!inst_id))
13417 return;
13418
13419 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
13420 if (!msg)
13421 return;
13422
13423 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_NAN_FUNCTION);
13424 if (!hdr) {
13425 nlmsg_free(msg);
13426 return;
13427 }
13428
13429 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13430 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
13431 wdev->netdev->ifindex)) ||
13432 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
13433 NL80211_ATTR_PAD))
13434 goto nla_put_failure;
13435
13436 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
13437 NL80211_ATTR_PAD))
13438 goto nla_put_failure;
13439
ae0be8de 13440 func_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_FUNC);
368e5a7b
AB		 13441 if (!func_attr)
13442 goto nla_put_failure;
13443
13444 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, inst_id) ||
13445 nla_put_u8(msg, NL80211_NAN_FUNC_TERM_REASON, reason))
13446 goto nla_put_failure;
13447
13448 nla_nest_end(msg, func_attr);
13449 genlmsg_end(msg, hdr);
13450
13451 if (!wdev->owner_nlportid)
13452 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
13453 msg, 0, NL80211_MCGRP_NAN, gfp);
13454 else
13455 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
13456 wdev->owner_nlportid);
13457
13458 return;
13459
13460nla_put_failure:
13461 nlmsg_free(msg);
13462}
13463EXPORT_SYMBOL(cfg80211_nan_func_terminated);
13464
3713b4e3
JB		 13465static int nl80211_get_protocol_features(struct sk_buff *skb,
13466 struct genl_info *info)
13467{
13468 void *hdr;
13469 struct sk_buff *msg;
13470
13471 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
13472 if (!msg)
13473 return -ENOMEM;
13474
13475 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
13476 NL80211_CMD_GET_PROTOCOL_FEATURES);
13477 if (!hdr)
13478 goto nla_put_failure;
13479
13480 if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES,
13481 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP))
13482 goto nla_put_failure;
13483
13484 genlmsg_end(msg, hdr);
13485 return genlmsg_reply(msg, info);
13486
13487 nla_put_failure:
13488 kfree_skb(msg);
13489 return -ENOBUFS;
13490}
13491
355199e0
JM		 13492static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info)
13493{
13494 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13495 struct cfg80211_update_ft_ies_params ft_params;
13496 struct net_device *dev = info->user_ptr[1];
13497
13498 if (!rdev->ops->update_ft_ies)
13499 return -EOPNOTSUPP;
13500
13501 if (!info->attrs[NL80211_ATTR_MDID] ||
3d7af878 13502 !info->attrs[NL80211_ATTR_IE])
355199e0
JM		 13503 return -EINVAL;
13504
13505 memset(&ft_params, 0, sizeof(ft_params));
13506 ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]);
13507 ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
13508 ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
13509
13510 return rdev_update_ft_ies(rdev, dev, &ft_params);
13511}
13512
5de17984
AS		 13513static int nl80211_crit_protocol_start(struct sk_buff *skb,
13514 struct genl_info *info)
13515{
13516 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13517 struct wireless_dev *wdev = info->user_ptr[1];
13518 enum nl80211_crit_proto_id proto = NL80211_CRIT_PROTO_UNSPEC;
13519 u16 duration;
13520 int ret;
13521
13522 if (!rdev->ops->crit_proto_start)
13523 return -EOPNOTSUPP;
13524
13525 if (WARN_ON(!rdev->ops->crit_proto_stop))
13526 return -EINVAL;
13527
13528 if (rdev->crit_proto_nlportid)
13529 return -EBUSY;
13530
13531 /* determine protocol if provided */
13532 if (info->attrs[NL80211_ATTR_CRIT_PROT_ID])
13533 proto = nla_get_u16(info->attrs[NL80211_ATTR_CRIT_PROT_ID]);
13534
13535 if (proto >= NUM_NL80211_CRIT_PROTO)
13536 return -EINVAL;
13537
13538 /* timeout must be provided */
13539 if (!info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION])
13540 return -EINVAL;
13541
13542 duration =
13543 nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]);
13544
5de17984
AS		 13545 ret = rdev_crit_proto_start(rdev, wdev, proto, duration);
13546 if (!ret)
13547 rdev->crit_proto_nlportid = info->snd_portid;
13548
13549 return ret;
13550}
13551
13552static int nl80211_crit_protocol_stop(struct sk_buff *skb,
13553 struct genl_info *info)
13554{
13555 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13556 struct wireless_dev *wdev = info->user_ptr[1];
13557
13558 if (!rdev->ops->crit_proto_stop)
13559 return -EOPNOTSUPP;
13560
13561 if (rdev->crit_proto_nlportid) {
13562 rdev->crit_proto_nlportid = 0;
13563 rdev_crit_proto_stop(rdev, wdev);
13564 }
13565 return 0;
13566}
13567
901bb989
JB		 13568static int nl80211_vendor_check_policy(const struct wiphy_vendor_command *vcmd,
13569 struct nlattr *attr,
13570 struct netlink_ext_ack *extack)
13571{
13572 if (vcmd->policy == VENDOR_CMD_RAW_DATA) {
13573 if (attr->nla_type & NLA_F_NESTED) {
13574 NL_SET_ERR_MSG_ATTR(extack, attr,
13575 "unexpected nested data");
13576 return -EINVAL;
13577 }
13578
13579 return 0;
13580 }
13581
13582 if (!(attr->nla_type & NLA_F_NESTED)) {
13583 NL_SET_ERR_MSG_ATTR(extack, attr, "expected nested data");
13584 return -EINVAL;
13585 }
13586
32d5109a 13587 return nla_validate_nested(attr, vcmd->maxattr, vcmd->policy, extack);
901bb989
JB		 13588}
13589
ad7e718c
JB		 13590static int nl80211_vendor_cmd(struct sk_buff *skb, struct genl_info *info)
13591{
13592 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13593 struct wireless_dev *wdev =
13594 __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs);
13595 int i, err;
13596 u32 vid, subcmd;
13597
13598 if (!rdev->wiphy.vendor_commands)
13599 return -EOPNOTSUPP;
13600
13601 if (IS_ERR(wdev)) {
13602 err = PTR_ERR(wdev);
13603 if (err != -EINVAL)
13604 return err;
13605 wdev = NULL;
13606 } else if (wdev->wiphy != &rdev->wiphy) {
13607 return -EINVAL;
13608 }
13609
13610 if (!info->attrs[NL80211_ATTR_VENDOR_ID] ||
13611 !info->attrs[NL80211_ATTR_VENDOR_SUBCMD])
13612 return -EINVAL;
13613
13614 vid = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_ID]);
13615 subcmd = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_SUBCMD]);
13616 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
13617 const struct wiphy_vendor_command *vcmd;
13618 void *data = NULL;
13619 int len = 0;
13620
13621 vcmd = &rdev->wiphy.vendor_commands[i];
13622
13623 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
13624 continue;
13625
13626 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
13627 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
13628 if (!wdev)
13629 return -EINVAL;
13630 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
13631 !wdev->netdev)
13632 return -EINVAL;
13633
13634 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
73c7da3d 13635 if (!wdev_running(wdev))
ad7e718c
JB		 13636 return -ENETDOWN;
13637 }
13638 } else {
13639 wdev = NULL;
13640 }
13641
4052d3d2
JS		 13642 if (!vcmd->doit)
13643 return -EOPNOTSUPP;
13644
ad7e718c
JB		 13645 if (info->attrs[NL80211_ATTR_VENDOR_DATA]) {
13646 data = nla_data(info->attrs[NL80211_ATTR_VENDOR_DATA]);
13647 len = nla_len(info->attrs[NL80211_ATTR_VENDOR_DATA]);
901bb989
JB		 13648
13649 err = nl80211_vendor_check_policy(vcmd,
13650 info->attrs[NL80211_ATTR_VENDOR_DATA],
13651 info->extack);
13652 if (err)
13653 return err;
ad7e718c
JB		 13654 }
13655
13656 rdev->cur_cmd_info = info;
901bb989 13657 err = vcmd->doit(&rdev->wiphy, wdev, data, len);
ad7e718c
JB		 13658 rdev->cur_cmd_info = NULL;
13659 return err;
13660 }
13661
13662 return -EOPNOTSUPP;
13663}
13664
7bdbe400
JB		 13665static int nl80211_prepare_vendor_dump(struct sk_buff *skb,
13666 struct netlink_callback *cb,
13667 struct cfg80211_registered_device **rdev,
13668 struct wireless_dev **wdev)
13669{
50508d94 13670 struct nlattr **attrbuf;
7bdbe400
JB		 13671 u32 vid, subcmd;
13672 unsigned int i;
13673 int vcmd_idx = -1;
13674 int err;
13675 void *data = NULL;
13676 unsigned int data_len = 0;
13677
7bdbe400
JB		 13678 if (cb->args[0]) {
13679 /* subtract the 1 again here */
13680 struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
13681 struct wireless_dev *tmp;
13682
ea90e0dc
JB		 13683 if (!wiphy)
13684 return -ENODEV;
7bdbe400
JB		 13685 *rdev = wiphy_to_rdev(wiphy);
13686 *wdev = NULL;
13687
13688 if (cb->args[1]) {
53873f13 13689 list_for_each_entry(tmp, &wiphy->wdev_list, list) {
7bdbe400
JB		 13690 if (tmp->identifier == cb->args[1] - 1) {
13691 *wdev = tmp;
13692 break;
13693 }
13694 }
13695 }
13696
13697 /* keep rtnl locked in successful case */
13698 return 0;
13699 }
13700
50508d94
JB		 13701 attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf), GFP_KERNEL);
13702 if (!attrbuf)
13703 return -ENOMEM;
13704
8cb08174
JB		 13705 err = nlmsg_parse_deprecated(cb->nlh,
13706 GENL_HDRLEN + nl80211_fam.hdrsize,
13707 attrbuf, nl80211_fam.maxattr,
13708 nl80211_policy, NULL);
7bdbe400 13709 if (err)
50508d94 13710 goto out;
7bdbe400 13711
c90c39da 13712 if (!attrbuf[NL80211_ATTR_VENDOR_ID] ||
50508d94
JB		 13713 !attrbuf[NL80211_ATTR_VENDOR_SUBCMD]) {
13714 err = -EINVAL;
13715 goto out;
13716 }
7bdbe400 13717
c90c39da 13718 *wdev = __cfg80211_wdev_from_attrs(sock_net(skb->sk), attrbuf);
7bdbe400
JB		 13719 if (IS_ERR(*wdev))
13720 *wdev = NULL;
13721
c90c39da 13722 *rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
50508d94
JB		 13723 if (IS_ERR(*rdev)) {
13724 err = PTR_ERR(*rdev);
13725 goto out;
13726 }
7bdbe400 13727
c90c39da
JB		 13728 vid = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_ID]);
13729 subcmd = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_SUBCMD]);
7bdbe400
JB		 13730
13731 for (i = 0; i < (*rdev)->wiphy.n_vendor_commands; i++) {
13732 const struct wiphy_vendor_command *vcmd;
13733
13734 vcmd = &(*rdev)->wiphy.vendor_commands[i];
13735
13736 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
13737 continue;
13738
50508d94
JB		 13739 if (!vcmd->dumpit) {
13740 err = -EOPNOTSUPP;
13741 goto out;
13742 }
7bdbe400
JB		 13743
13744 vcmd_idx = i;
13745 break;
13746 }
13747
50508d94
JB		 13748 if (vcmd_idx < 0) {
13749 err = -EOPNOTSUPP;
13750 goto out;
13751 }
7bdbe400 13752
c90c39da
JB		 13753 if (attrbuf[NL80211_ATTR_VENDOR_DATA]) {
13754 data = nla_data(attrbuf[NL80211_ATTR_VENDOR_DATA]);
13755 data_len = nla_len(attrbuf[NL80211_ATTR_VENDOR_DATA]);
901bb989
JB		 13756
13757 err = nl80211_vendor_check_policy(
13758 &(*rdev)->wiphy.vendor_commands[vcmd_idx],
13759 attrbuf[NL80211_ATTR_VENDOR_DATA],
13760 cb->extack);
13761 if (err)
50508d94 13762 goto out;
7bdbe400
JB		 13763 }
13764
13765 /* 0 is the first index - add 1 to parse only once */
13766 cb->args[0] = (*rdev)->wiphy_idx + 1;
13767 /* add 1 to know if it was NULL */
13768 cb->args[1] = *wdev ? (*wdev)->identifier + 1 : 0;
13769 cb->args[2] = vcmd_idx;
13770 cb->args[3] = (unsigned long)data;
13771 cb->args[4] = data_len;
13772
13773 /* keep rtnl locked in successful case */
50508d94
JB		 13774 err = 0;
13775out:
13776 kfree(attrbuf);
13777 return err;
7bdbe400
JB		 13778}
13779
13780static int nl80211_vendor_cmd_dump(struct sk_buff *skb,
13781 struct netlink_callback *cb)
13782{
13783 struct cfg80211_registered_device *rdev;
13784 struct wireless_dev *wdev;
13785 unsigned int vcmd_idx;
13786 const struct wiphy_vendor_command *vcmd;
13787 void *data;
13788 int data_len;
13789 int err;
13790 struct nlattr *vendor_data;
13791
ea90e0dc 13792 rtnl_lock();
7bdbe400
JB		 13793 err = nl80211_prepare_vendor_dump(skb, cb, &rdev, &wdev);
13794 if (err)
ea90e0dc 13795 goto out;
7bdbe400
JB		 13796
13797 vcmd_idx = cb->args[2];
13798 data = (void *)cb->args[3];
13799 data_len = cb->args[4];
13800 vcmd = &rdev->wiphy.vendor_commands[vcmd_idx];
13801
13802 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
13803 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
ea90e0dc
JB		 13804 if (!wdev) {
13805 err = -EINVAL;
13806 goto out;
13807 }
7bdbe400 13808 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
ea90e0dc
JB		 13809 !wdev->netdev) {
13810 err = -EINVAL;
13811 goto out;
13812 }
7bdbe400
JB		 13813
13814 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
ea90e0dc
JB		 13815 if (!wdev_running(wdev)) {
13816 err = -ENETDOWN;
13817 goto out;
13818 }
7bdbe400
JB		 13819 }
13820 }
13821
13822 while (1) {
13823 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
13824 cb->nlh->nlmsg_seq, NLM_F_MULTI,
13825 NL80211_CMD_VENDOR);
13826 if (!hdr)
13827 break;
13828
13829 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
2dad624e
ND		 13830 (wdev && nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
13831 wdev_id(wdev),
13832 NL80211_ATTR_PAD))) {
7bdbe400
JB		 13833 genlmsg_cancel(skb, hdr);
13834 break;
13835 }
13836
ae0be8de
MK		 13837 vendor_data = nla_nest_start_noflag(skb,
13838 NL80211_ATTR_VENDOR_DATA);
7bdbe400
JB		 13839 if (!vendor_data) {
13840 genlmsg_cancel(skb, hdr);
13841 break;
13842 }
13843
13844 err = vcmd->dumpit(&rdev->wiphy, wdev, skb, data, data_len,
13845 (unsigned long *)&cb->args[5]);
13846 nla_nest_end(skb, vendor_data);
13847
13848 if (err == -ENOBUFS || err == -ENOENT) {
13849 genlmsg_cancel(skb, hdr);
13850 break;
9c167b2d 13851 } else if (err <= 0) {
7bdbe400
JB		 13852 genlmsg_cancel(skb, hdr);
13853 goto out;
13854 }
13855
13856 genlmsg_end(skb, hdr);
13857 }
13858
13859 err = skb->len;
13860 out:
13861 rtnl_unlock();
13862 return err;
13863}
13864
ad7e718c
JB		 13865struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy,
13866 enum nl80211_commands cmd,
13867 enum nl80211_attrs attr,
13868 int approxlen)
13869{
f26cbf40 13870 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
ad7e718c
JB		 13871
13872 if (WARN_ON(!rdev->cur_cmd_info))
13873 return NULL;
13874
6c09e791 13875 return __cfg80211_alloc_vendor_skb(rdev, NULL, approxlen,
ad7e718c
JB		 13876 rdev->cur_cmd_info->snd_portid,
13877 rdev->cur_cmd_info->snd_seq,
567ffc35 13878 cmd, attr, NULL, GFP_KERNEL);
ad7e718c
JB		 13879}
13880EXPORT_SYMBOL(__cfg80211_alloc_reply_skb);
13881
13882int cfg80211_vendor_cmd_reply(struct sk_buff *skb)
13883{
13884 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
13885 void *hdr = ((void **)skb->cb)[1];
13886 struct nlattr *data = ((void **)skb->cb)[2];
13887
bd8c78e7
JB		 13888 /* clear CB data for netlink core to own from now on */
13889 memset(skb->cb, 0, sizeof(skb->cb));
13890
ad7e718c
JB		 13891 if (WARN_ON(!rdev->cur_cmd_info)) {
13892 kfree_skb(skb);
13893 return -EINVAL;
13894 }
13895
13896 nla_nest_end(skb, data);
13897 genlmsg_end(skb, hdr);
13898 return genlmsg_reply(skb, rdev->cur_cmd_info);
13899}
13900EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply);
13901
55c1fdf0
JB		 13902unsigned int cfg80211_vendor_cmd_get_sender(struct wiphy *wiphy)
13903{
13904 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
13905
13906 if (WARN_ON(!rdev->cur_cmd_info))
13907 return 0;
13908
13909 return rdev->cur_cmd_info->snd_portid;
13910}
13911EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_get_sender);
13912
fa9ffc74
KP		 13913static int nl80211_set_qos_map(struct sk_buff *skb,
13914 struct genl_info *info)
13915{
13916 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13917 struct cfg80211_qos_map *qos_map = NULL;
13918 struct net_device *dev = info->user_ptr[1];
13919 u8 *pos, len, num_des, des_len, des;
13920 int ret;
13921
13922 if (!rdev->ops->set_qos_map)
13923 return -EOPNOTSUPP;
13924
13925 if (info->attrs[NL80211_ATTR_QOS_MAP]) {
13926 pos = nla_data(info->attrs[NL80211_ATTR_QOS_MAP]);
13927 len = nla_len(info->attrs[NL80211_ATTR_QOS_MAP]);
13928
c8b82802 13929 if (len % 2)
fa9ffc74
KP		 13930 return -EINVAL;
13931
13932 qos_map = kzalloc(sizeof(struct cfg80211_qos_map), GFP_KERNEL);
13933 if (!qos_map)
13934 return -ENOMEM;
13935
13936 num_des = (len - IEEE80211_QOS_MAP_LEN_MIN) >> 1;
13937 if (num_des) {
13938 des_len = num_des *
13939 sizeof(struct cfg80211_dscp_exception);
13940 memcpy(qos_map->dscp_exception, pos, des_len);
13941 qos_map->num_des = num_des;
13942 for (des = 0; des < num_des; des++) {
13943 if (qos_map->dscp_exception[des].up > 7) {
13944 kfree(qos_map);
13945 return -EINVAL;
13946 }
13947 }
13948 pos += des_len;
13949 }
13950 memcpy(qos_map->up, pos, IEEE80211_QOS_MAP_LEN_MIN);
13951 }
13952
13953 wdev_lock(dev->ieee80211_ptr);
13954 ret = nl80211_key_allowed(dev->ieee80211_ptr);
13955 if (!ret)
13956 ret = rdev_set_qos_map(rdev, dev, qos_map);
13957 wdev_unlock(dev->ieee80211_ptr);
13958
13959 kfree(qos_map);
13960 return ret;
13961}
13962
960d01ac
JB		 13963static int nl80211_add_tx_ts(struct sk_buff *skb, struct genl_info *info)
13964{
13965 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13966 struct net_device *dev = info->user_ptr[1];
13967 struct wireless_dev *wdev = dev->ieee80211_ptr;
13968 const u8 *peer;
13969 u8 tsid, up;
13970 u16 admitted_time = 0;
13971 int err;
13972
723e73ac 13973 if (!(rdev->wiphy.features & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION))
960d01ac
JB		 13974 return -EOPNOTSUPP;
13975
13976 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC] ||
13977 !info->attrs[NL80211_ATTR_USER_PRIO])
13978 return -EINVAL;
13979
13980 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
960d01ac 13981 up = nla_get_u8(info->attrs[NL80211_ATTR_USER_PRIO]);
960d01ac
JB		 13982
13983 /* WMM uses TIDs 0-7 even for TSPEC */
723e73ac 13984 if (tsid >= IEEE80211_FIRST_TSPEC_TSID) {
960d01ac 13985 /* TODO: handle 802.11 TSPEC/admission control
723e73ac
JB		 13986 * need more attributes for that (e.g. BA session requirement);
13987 * change the WMM adminssion test above to allow both then
960d01ac
JB		 13988 */
13989 return -EINVAL;
13990 }
13991
13992 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
13993
13994 if (info->attrs[NL80211_ATTR_ADMITTED_TIME]) {
13995 admitted_time =
13996 nla_get_u16(info->attrs[NL80211_ATTR_ADMITTED_TIME]);
13997 if (!admitted_time)
13998 return -EINVAL;
13999 }
14000
14001 wdev_lock(wdev);
14002 switch (wdev->iftype) {
14003 case NL80211_IFTYPE_STATION:
14004 case NL80211_IFTYPE_P2P_CLIENT:
14005 if (wdev->current_bss)
14006 break;
14007 err = -ENOTCONN;
14008 goto out;
14009 default:
14010 err = -EOPNOTSUPP;
14011 goto out;
14012 }
14013
14014 err = rdev_add_tx_ts(rdev, dev, tsid, peer, up, admitted_time);
14015
14016 out:
14017 wdev_unlock(wdev);
14018 return err;
14019}
14020
14021static int nl80211_del_tx_ts(struct sk_buff *skb, struct genl_info *info)
14022{
14023 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14024 struct net_device *dev = info->user_ptr[1];
14025 struct wireless_dev *wdev = dev->ieee80211_ptr;
14026 const u8 *peer;
14027 u8 tsid;
14028 int err;
14029
14030 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC])
14031 return -EINVAL;
14032
14033 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
14034 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
14035
14036 wdev_lock(wdev);
14037 err = rdev_del_tx_ts(rdev, dev, tsid, peer);
14038 wdev_unlock(wdev);
14039
14040 return err;
14041}
14042
1057d35e
AN		 14043static int nl80211_tdls_channel_switch(struct sk_buff *skb,
14044 struct genl_info *info)
14045{
14046 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14047 struct net_device *dev = info->user_ptr[1];
14048 struct wireless_dev *wdev = dev->ieee80211_ptr;
14049 struct cfg80211_chan_def chandef = {};
14050 const u8 *addr;
14051 u8 oper_class;
14052 int err;
14053
14054 if (!rdev->ops->tdls_channel_switch ||
14055 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
14056 return -EOPNOTSUPP;
14057
14058 switch (dev->ieee80211_ptr->iftype) {
14059 case NL80211_IFTYPE_STATION:
14060 case NL80211_IFTYPE_P2P_CLIENT:
14061 break;
14062 default:
14063 return -EOPNOTSUPP;
14064 }
14065
14066 if (!info->attrs[NL80211_ATTR_MAC] ||
14067 !info->attrs[NL80211_ATTR_OPER_CLASS])
14068 return -EINVAL;
14069
14070 err = nl80211_parse_chandef(rdev, info, &chandef);
14071 if (err)
14072 return err;
14073
14074 /*
14075 * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012
14076 * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the
14077 * specification is not defined for them.
14078 */
57fbcce3 14079 if (chandef.chan->band == NL80211_BAND_2GHZ &&
1057d35e
AN		 14080 chandef.width != NL80211_CHAN_WIDTH_20_NOHT &&
14081 chandef.width != NL80211_CHAN_WIDTH_20)
14082 return -EINVAL;
14083
14084 /* we will be active on the TDLS link */
923b352f
AN		 14085 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
14086 wdev->iftype))
1057d35e
AN		 14087 return -EINVAL;
14088
14089 /* don't allow switching to DFS channels */
14090 if (cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, wdev->iftype))
14091 return -EINVAL;
14092
14093 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
14094 oper_class = nla_get_u8(info->attrs[NL80211_ATTR_OPER_CLASS]);
14095
14096 wdev_lock(wdev);
14097 err = rdev_tdls_channel_switch(rdev, dev, addr, oper_class, &chandef);
14098 wdev_unlock(wdev);
14099
14100 return err;
14101}
14102
14103static int nl80211_tdls_cancel_channel_switch(struct sk_buff *skb,
14104 struct genl_info *info)
14105{
14106 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14107 struct net_device *dev = info->user_ptr[1];
14108 struct wireless_dev *wdev = dev->ieee80211_ptr;
14109 const u8 *addr;
14110
14111 if (!rdev->ops->tdls_channel_switch ||
14112 !rdev->ops->tdls_cancel_channel_switch ||
14113 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
14114 return -EOPNOTSUPP;
14115
14116 switch (dev->ieee80211_ptr->iftype) {
14117 case NL80211_IFTYPE_STATION:
14118 case NL80211_IFTYPE_P2P_CLIENT:
14119 break;
14120 default:
14121 return -EOPNOTSUPP;
14122 }
14123
14124 if (!info->attrs[NL80211_ATTR_MAC])
14125 return -EINVAL;
14126
14127 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
14128
14129 wdev_lock(wdev);
14130 rdev_tdls_cancel_channel_switch(rdev, dev, addr);
14131 wdev_unlock(wdev);
14132
14133 return 0;
14134}
14135
ce0ce13a
MB		 14136static int nl80211_set_multicast_to_unicast(struct sk_buff *skb,
14137 struct genl_info *info)
14138{
14139 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14140 struct net_device *dev = info->user_ptr[1];
14141 struct wireless_dev *wdev = dev->ieee80211_ptr;
14142 const struct nlattr *nla;
14143 bool enabled;
14144
ce0ce13a
MB		 14145 if (!rdev->ops->set_multicast_to_unicast)
14146 return -EOPNOTSUPP;
14147
14148 if (wdev->iftype != NL80211_IFTYPE_AP &&
14149 wdev->iftype != NL80211_IFTYPE_P2P_GO)
14150 return -EOPNOTSUPP;
14151
14152 nla = info->attrs[NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED];
14153 enabled = nla_get_flag(nla);
14154
14155 return rdev_set_multicast_to_unicast(rdev, dev, enabled);
14156}
14157
3a00df57
AS		 14158static int nl80211_set_pmk(struct sk_buff *skb, struct genl_info *info)
14159{
14160 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14161 struct net_device *dev = info->user_ptr[1];
14162 struct wireless_dev *wdev = dev->ieee80211_ptr;
14163 struct cfg80211_pmk_conf pmk_conf = {};
14164 int ret;
14165
14166 if (wdev->iftype != NL80211_IFTYPE_STATION &&
14167 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
14168 return -EOPNOTSUPP;
14169
14170 if (!wiphy_ext_feature_isset(&rdev->wiphy,
14171 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
14172 return -EOPNOTSUPP;
14173
14174 if (!info->attrs[NL80211_ATTR_MAC] || !info->attrs[NL80211_ATTR_PMK])
14175 return -EINVAL;
14176
14177 wdev_lock(wdev);
14178 if (!wdev->current_bss) {
14179 ret = -ENOTCONN;
14180 goto out;
14181 }
14182
14183 pmk_conf.aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
14184 if (memcmp(pmk_conf.aa, wdev->current_bss->pub.bssid, ETH_ALEN)) {
14185 ret = -EINVAL;
14186 goto out;
14187 }
14188
14189 pmk_conf.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
14190 pmk_conf.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
14191 if (pmk_conf.pmk_len != WLAN_PMK_LEN &&
14192 pmk_conf.pmk_len != WLAN_PMK_LEN_SUITE_B_192) {
14193 ret = -EINVAL;
14194 goto out;
14195 }
14196
cb9abd48 14197 if (info->attrs[NL80211_ATTR_PMKR0_NAME])
3a00df57
AS		 14198 pmk_conf.pmk_r0_name =
14199 nla_data(info->attrs[NL80211_ATTR_PMKR0_NAME]);
3a00df57
AS		 14200
14201 ret = rdev_set_pmk(rdev, dev, &pmk_conf);
14202out:
14203 wdev_unlock(wdev);
14204 return ret;
14205}
14206
14207static int nl80211_del_pmk(struct sk_buff *skb, struct genl_info *info)
14208{
14209 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14210 struct net_device *dev = info->user_ptr[1];
14211 struct wireless_dev *wdev = dev->ieee80211_ptr;
14212 const u8 *aa;
14213 int ret;
14214
14215 if (wdev->iftype != NL80211_IFTYPE_STATION &&
14216 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
14217 return -EOPNOTSUPP;
14218
14219 if (!wiphy_ext_feature_isset(&rdev->wiphy,
14220 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
14221 return -EOPNOTSUPP;
14222
14223 if (!info->attrs[NL80211_ATTR_MAC])
14224 return -EINVAL;
14225
14226 wdev_lock(wdev);
14227 aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
14228 ret = rdev_del_pmk(rdev, dev, aa);
14229 wdev_unlock(wdev);
14230
14231 return ret;
14232}
14233
40cbfa90
SD		 14234static int nl80211_external_auth(struct sk_buff *skb, struct genl_info *info)
14235{
14236 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14237 struct net_device *dev = info->user_ptr[1];
14238 struct cfg80211_external_auth_params params;
14239
db8d93a7 14240 if (!rdev->ops->external_auth)
40cbfa90
SD		 14241 return -EOPNOTSUPP;
14242
fe494370
SD		 14243 if (!info->attrs[NL80211_ATTR_SSID] &&
14244 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
14245 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
40cbfa90
SD		 14246 return -EINVAL;
14247
14248 if (!info->attrs[NL80211_ATTR_BSSID])
14249 return -EINVAL;
14250
14251 if (!info->attrs[NL80211_ATTR_STATUS_CODE])
14252 return -EINVAL;
14253
14254 memset(&params, 0, sizeof(params));
14255
fe494370
SD		 14256 if (info->attrs[NL80211_ATTR_SSID]) {
14257 params.ssid.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
cb9abd48 14258 if (params.ssid.ssid_len == 0)
fe494370
SD		 14259 return -EINVAL;
14260 memcpy(params.ssid.ssid,
14261 nla_data(info->attrs[NL80211_ATTR_SSID]),
14262 params.ssid.ssid_len);
14263 }
40cbfa90
SD		 14264
14265 memcpy(params.bssid, nla_data(info->attrs[NL80211_ATTR_BSSID]),
14266 ETH_ALEN);
14267
14268 params.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
14269
fe494370
SD		 14270 if (info->attrs[NL80211_ATTR_PMKID])
14271 params.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
14272
40cbfa90
SD		 14273 return rdev_external_auth(rdev, dev, &params);
14274}
14275
2576a9ac
DK		 14276static int nl80211_tx_control_port(struct sk_buff *skb, struct genl_info *info)
14277{
dca9ca2d 14278 bool dont_wait_for_ack = info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK];
2576a9ac
DK		 14279 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14280 struct net_device *dev = info->user_ptr[1];
14281 struct wireless_dev *wdev = dev->ieee80211_ptr;
14282 const u8 *buf;
14283 size_t len;
14284 u8 *dest;
14285 u16 proto;
14286 bool noencrypt;
dca9ca2d 14287 u64 cookie = 0;
2576a9ac
DK		 14288 int err;
14289
14290 if (!wiphy_ext_feature_isset(&rdev->wiphy,
14291 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
14292 return -EOPNOTSUPP;
14293
14294 if (!rdev->ops->tx_control_port)
14295 return -EOPNOTSUPP;
14296
14297 if (!info->attrs[NL80211_ATTR_FRAME] ||
14298 !info->attrs[NL80211_ATTR_MAC] ||
14299 !info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
14300 GENL_SET_ERR_MSG(info, "Frame, MAC or ethertype missing");
14301 return -EINVAL;
14302 }
14303
14304 wdev_lock(wdev);
14305
14306 switch (wdev->iftype) {
14307 case NL80211_IFTYPE_AP:
14308 case NL80211_IFTYPE_P2P_GO:
14309 case NL80211_IFTYPE_MESH_POINT:
14310 break;
14311 case NL80211_IFTYPE_ADHOC:
14312 case NL80211_IFTYPE_STATION:
14313 case NL80211_IFTYPE_P2P_CLIENT:
14314 if (wdev->current_bss)
14315 break;
14316 err = -ENOTCONN;
14317 goto out;
14318 default:
14319 err = -EOPNOTSUPP;
14320 goto out;
14321 }
14322
14323 wdev_unlock(wdev);
14324
14325 buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
14326 len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
14327 dest = nla_data(info->attrs[NL80211_ATTR_MAC]);
14328 proto = nla_get_u16(info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
14329 noencrypt =
14330 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]);
14331
dca9ca2d
MT		 14332 err = rdev_tx_control_port(rdev, dev, buf, len,
14333 dest, cpu_to_be16(proto), noencrypt,
14334 dont_wait_for_ack ? NULL : &cookie);
14335 if (!err && !dont_wait_for_ack)
14336 nl_set_extack_cookie_u64(info->extack, cookie);
14337 return err;
2576a9ac
DK		 14338 out:
14339 wdev_unlock(wdev);
14340 return err;
14341}
14342
81e54d08
PKC		 14343static int nl80211_get_ftm_responder_stats(struct sk_buff *skb,
14344 struct genl_info *info)
14345{
14346 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14347 struct net_device *dev = info->user_ptr[1];
14348 struct wireless_dev *wdev = dev->ieee80211_ptr;
14349 struct cfg80211_ftm_responder_stats ftm_stats = {};
14350 struct sk_buff *msg;
14351 void *hdr;
14352 struct nlattr *ftm_stats_attr;
14353 int err;
14354
14355 if (wdev->iftype != NL80211_IFTYPE_AP || !wdev->beacon_interval)
14356 return -EOPNOTSUPP;
14357
14358 err = rdev_get_ftm_responder_stats(rdev, dev, &ftm_stats);
14359 if (err)
14360 return err;
14361
14362 if (!ftm_stats.filled)
14363 return -ENODATA;
14364
14365 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14366 if (!msg)
14367 return -ENOMEM;
14368
14369 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
14370 NL80211_CMD_GET_FTM_RESPONDER_STATS);
14371 if (!hdr)
1399c59f 14372 goto nla_put_failure;
81e54d08
PKC		 14373
14374 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
14375 goto nla_put_failure;
14376
ae0be8de
MK		 14377 ftm_stats_attr = nla_nest_start_noflag(msg,
14378 NL80211_ATTR_FTM_RESPONDER_STATS);
81e54d08
PKC		 14379 if (!ftm_stats_attr)
14380 goto nla_put_failure;
14381
14382#define SET_FTM(field, name, type) \
14383 do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
14384 nla_put_ ## type(msg, NL80211_FTM_STATS_ ## name, \
14385 ftm_stats.field)) \
14386 goto nla_put_failure; } while (0)
14387#define SET_FTM_U64(field, name) \
14388 do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
14389 nla_put_u64_64bit(msg, NL80211_FTM_STATS_ ## name, \
14390 ftm_stats.field, NL80211_FTM_STATS_PAD)) \
14391 goto nla_put_failure; } while (0)
14392
14393 SET_FTM(success_num, SUCCESS_NUM, u32);
14394 SET_FTM(partial_num, PARTIAL_NUM, u32);
14395 SET_FTM(failed_num, FAILED_NUM, u32);
14396 SET_FTM(asap_num, ASAP_NUM, u32);
14397 SET_FTM(non_asap_num, NON_ASAP_NUM, u32);
14398 SET_FTM_U64(total_duration_ms, TOTAL_DURATION_MSEC);
14399 SET_FTM(unknown_triggers_num, UNKNOWN_TRIGGERS_NUM, u32);
14400 SET_FTM(reschedule_requests_num, RESCHEDULE_REQUESTS_NUM, u32);
14401 SET_FTM(out_of_window_triggers_num, OUT_OF_WINDOW_TRIGGERS_NUM, u32);
14402#undef SET_FTM
14403
14404 nla_nest_end(msg, ftm_stats_attr);
14405
14406 genlmsg_end(msg, hdr);
14407 return genlmsg_reply(msg, info);
14408
14409nla_put_failure:
14410 nlmsg_free(msg);
14411 return -ENOBUFS;
14412}
14413
cb74e977
SD		 14414static int nl80211_update_owe_info(struct sk_buff *skb, struct genl_info *info)
14415{
14416 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14417 struct cfg80211_update_owe_info owe_info;
14418 struct net_device *dev = info->user_ptr[1];
14419
14420 if (!rdev->ops->update_owe_info)
14421 return -EOPNOTSUPP;
14422
14423 if (!info->attrs[NL80211_ATTR_STATUS_CODE] ||
14424 !info->attrs[NL80211_ATTR_MAC])
14425 return -EINVAL;
14426
14427 memset(&owe_info, 0, sizeof(owe_info));
14428 owe_info.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
14429 nla_memcpy(owe_info.peer, info->attrs[NL80211_ATTR_MAC], ETH_ALEN);
14430
14431 if (info->attrs[NL80211_ATTR_IE]) {
14432 owe_info.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
14433 owe_info.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
14434 }
14435
14436 return rdev_update_owe_info(rdev, dev, &owe_info);
14437}
14438
5ab92e7f
RM		 14439static int nl80211_probe_mesh_link(struct sk_buff *skb, struct genl_info *info)
14440{
14441 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14442 struct net_device *dev = info->user_ptr[1];
14443 struct wireless_dev *wdev = dev->ieee80211_ptr;
14444 struct station_info sinfo = {};
14445 const u8 *buf;
14446 size_t len;
14447 u8 *dest;
14448 int err;
14449
14450 if (!rdev->ops->probe_mesh_link || !rdev->ops->get_station)
14451 return -EOPNOTSUPP;
14452
14453 if (!info->attrs[NL80211_ATTR_MAC] ||
14454 !info->attrs[NL80211_ATTR_FRAME]) {
14455 GENL_SET_ERR_MSG(info, "Frame or MAC missing");
14456 return -EINVAL;
14457 }
14458
14459 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
14460 return -EOPNOTSUPP;
14461
14462 dest = nla_data(info->attrs[NL80211_ATTR_MAC]);
14463 buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
14464 len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
14465
14466 if (len < sizeof(struct ethhdr))
14467 return -EINVAL;
14468
14469 if (!ether_addr_equal(buf, dest) || is_multicast_ether_addr(buf) ||
14470 !ether_addr_equal(buf + ETH_ALEN, dev->dev_addr))
14471 return -EINVAL;
14472
14473 err = rdev_get_station(rdev, dev, dest, &sinfo);
14474 if (err)
14475 return err;
14476
2a279b34
FF		 14477 cfg80211_sinfo_release_content(&sinfo);
14478
5ab92e7f
RM		 14479 return rdev_probe_mesh_link(rdev, dev, dest, buf, len);
14480}
14481
77f576de
T		 14482static int parse_tid_conf(struct cfg80211_registered_device *rdev,
14483 struct nlattr *attrs[], struct net_device *dev,
3710a8a6 14484 struct cfg80211_tid_cfg *tid_conf,
77f576de
T		 14485 struct genl_info *info, const u8 *peer)
14486{
14487 struct netlink_ext_ack *extack = info->extack;
3710a8a6 14488 u64 mask;
77f576de
T		 14489 int err;
14490
14491 if (!attrs[NL80211_TID_CONFIG_ATTR_TIDS])
14492 return -EINVAL;
14493
14494 tid_conf->config_override =
14495 nla_get_flag(attrs[NL80211_TID_CONFIG_ATTR_OVERRIDE]);
3710a8a6 14496 tid_conf->tids = nla_get_u16(attrs[NL80211_TID_CONFIG_ATTR_TIDS]);
77f576de
T		 14497
14498 if (tid_conf->config_override) {
14499 if (rdev->ops->reset_tid_config) {
14500 err = rdev_reset_tid_config(rdev, dev, peer,
3710a8a6 14501 tid_conf->tids);
c0336955 14502 if (err)
77f576de
T		 14503 return err;
14504 } else {
14505 return -EINVAL;
14506 }
14507 }
14508
14509 if (attrs[NL80211_TID_CONFIG_ATTR_NOACK]) {
3710a8a6 14510 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_NOACK);
77f576de
T		 14511 tid_conf->noack =
14512 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_NOACK]);
14513 }
14514
6a21d16c
T		 14515 if (attrs[NL80211_TID_CONFIG_ATTR_RETRY_SHORT]) {
14516 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_RETRY_SHORT);
14517 tid_conf->retry_short =
14518 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_RETRY_SHORT]);
14519
14520 if (tid_conf->retry_short > rdev->wiphy.max_data_retry_count)
14521 return -EINVAL;
14522 }
14523
14524 if (attrs[NL80211_TID_CONFIG_ATTR_RETRY_LONG]) {
14525 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_RETRY_LONG);
14526 tid_conf->retry_long =
14527 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_RETRY_LONG]);
14528
14529 if (tid_conf->retry_long > rdev->wiphy.max_data_retry_count)
14530 return -EINVAL;
14531 }
14532
ade274b2
T		 14533 if (attrs[NL80211_TID_CONFIG_ATTR_AMPDU_CTRL]) {
14534 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_AMPDU_CTRL);
14535 tid_conf->ampdu =
14536 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_AMPDU_CTRL]);
14537 }
14538
04f7d142
T		 14539 if (attrs[NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL]) {
14540 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL);
14541 tid_conf->rtscts =
14542 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL]);
14543 }
14544
33462e68
SM		 14545 if (attrs[NL80211_TID_CONFIG_ATTR_AMSDU_CTRL]) {
14546 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_AMSDU_CTRL);
14547 tid_conf->amsdu =
14548 nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_AMSDU_CTRL]);
14549 }
14550
9a5f6488
TC		 14551 if (attrs[NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE]) {
14552 u32 idx = NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE, attr;
14553
14554 tid_conf->txrate_type = nla_get_u8(attrs[idx]);
14555
14556 if (tid_conf->txrate_type != NL80211_TX_RATE_AUTOMATIC) {
14557 attr = NL80211_TID_CONFIG_ATTR_TX_RATE;
14558 err = nl80211_parse_tx_bitrate_mask(info, attrs, attr,
857b34c4
RM		 14559 &tid_conf->txrate_mask, dev,
14560 true);
9a5f6488
TC		 14561 if (err)
14562 return err;
14563
14564 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_TX_RATE);
14565 }
14566 tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE);
14567 }
14568
3710a8a6
JB		 14569 if (peer)
14570 mask = rdev->wiphy.tid_config_support.peer;
14571 else
14572 mask = rdev->wiphy.tid_config_support.vif;
14573
14574 if (tid_conf->mask & ~mask) {
14575 NL_SET_ERR_MSG(extack, "unsupported TID configuration");
14576 return -ENOTSUPP;
14577 }
14578
77f576de
T		 14579 return 0;
14580}
14581
14582static int nl80211_set_tid_config(struct sk_buff *skb,
14583 struct genl_info *info)
14584{
14585 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14586 struct nlattr *attrs[NL80211_TID_CONFIG_ATTR_MAX + 1];
14587 struct net_device *dev = info->user_ptr[1];
3710a8a6 14588 struct cfg80211_tid_config *tid_config;
77f576de
T		 14589 struct nlattr *tid;
14590 int conf_idx = 0, rem_conf;
14591 int ret = -EINVAL;
14592 u32 num_conf = 0;
14593
14594 if (!info->attrs[NL80211_ATTR_TID_CONFIG])
14595 return -EINVAL;
14596
14597 if (!rdev->ops->set_tid_config)
14598 return -EOPNOTSUPP;
14599
14600 nla_for_each_nested(tid, info->attrs[NL80211_ATTR_TID_CONFIG],
14601 rem_conf)
14602 num_conf++;
14603
14604 tid_config = kzalloc(struct_size(tid_config, tid_conf, num_conf),
14605 GFP_KERNEL);
14606 if (!tid_config)
14607 return -ENOMEM;
14608
14609 tid_config->n_tid_conf = num_conf;
14610
14611 if (info->attrs[NL80211_ATTR_MAC])
14612 tid_config->peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
14613
14614 nla_for_each_nested(tid, info->attrs[NL80211_ATTR_TID_CONFIG],
14615 rem_conf) {
14616 ret = nla_parse_nested(attrs, NL80211_TID_CONFIG_ATTR_MAX,
14617 tid, NULL, NULL);
14618
14619 if (ret)
14620 goto bad_tid_conf;
14621
14622 ret = parse_tid_conf(rdev, attrs, dev,
14623 &tid_config->tid_conf[conf_idx],
14624 info, tid_config->peer);
14625 if (ret)
14626 goto bad_tid_conf;
14627
14628 conf_idx++;
14629 }
14630
14631 ret = rdev_set_tid_config(rdev, dev, tid_config);
14632
14633bad_tid_conf:
14634 kfree(tid_config);
14635 return ret;
14636}
14637
4c476991
JB		 14638#define NL80211_FLAG_NEED_WIPHY 0x01
14639#define NL80211_FLAG_NEED_NETDEV 0x02
14640#define NL80211_FLAG_NEED_RTNL 0x04
41265714
JB		 14641#define NL80211_FLAG_CHECK_NETDEV_UP 0x08
14642#define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
14643 NL80211_FLAG_CHECK_NETDEV_UP)
1bf614ef 14644#define NL80211_FLAG_NEED_WDEV 0x10
98104fde 14645/* If a netdev is associated, it must be UP, P2P must be started */
1bf614ef
JB		 14646#define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
14647 NL80211_FLAG_CHECK_NETDEV_UP)
5393b917 14648#define NL80211_FLAG_CLEAR_SKB 0x20
4c476991 14649
f84f771d 14650static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb,
4c476991
JB		 14651 struct genl_info *info)
14652{
14653 struct cfg80211_registered_device *rdev;
89a54e48 14654 struct wireless_dev *wdev;
4c476991 14655 struct net_device *dev;
4c476991
JB		 14656 bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL;
14657
14658 if (rtnl)
14659 rtnl_lock();
14660
14661 if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) {
4f7eff10 14662 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
4c476991
JB		 14663 if (IS_ERR(rdev)) {
14664 if (rtnl)
14665 rtnl_unlock();
14666 return PTR_ERR(rdev);
14667 }
14668 info->user_ptr[0] = rdev;
1bf614ef
JB		 14669 } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV ||
14670 ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
5fe231e8
JB		 14671 ASSERT_RTNL();
14672
89a54e48
JB		 14673 wdev = __cfg80211_wdev_from_attrs(genl_info_net(info),
14674 info->attrs);
14675 if (IS_ERR(wdev)) {
4c476991
JB		 14676 if (rtnl)
14677 rtnl_unlock();
89a54e48 14678 return PTR_ERR(wdev);
4c476991 14679 }
89a54e48 14680
89a54e48 14681 dev = wdev->netdev;
f26cbf40 14682 rdev = wiphy_to_rdev(wdev->wiphy);
89a54e48 14683
1bf614ef
JB		 14684 if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) {
14685 if (!dev) {
1bf614ef
JB		 14686 if (rtnl)
14687 rtnl_unlock();
14688 return -EINVAL;
14689 }
14690
14691 info->user_ptr[1] = dev;
14692 } else {
14693 info->user_ptr[1] = wdev;
41265714 14694 }
1bf614ef 14695
73c7da3d
AVS		 14696 if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP &&
14697 !wdev_running(wdev)) {
14698 if (rtnl)
14699 rtnl_unlock();
14700 return -ENETDOWN;
14701 }
1bf614ef 14702
73c7da3d 14703 if (dev)
1bf614ef 14704 dev_hold(dev);
89a54e48 14705
4c476991 14706 info->user_ptr[0] = rdev;
4c476991
JB		 14707 }
14708
14709 return 0;
14710}
14711
f84f771d 14712static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb,
4c476991
JB		 14713 struct genl_info *info)
14714{
1bf614ef
JB		 14715 if (info->user_ptr[1]) {
14716 if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
14717 struct wireless_dev *wdev = info->user_ptr[1];
14718
14719 if (wdev->netdev)
14720 dev_put(wdev->netdev);
14721 } else {
14722 dev_put(info->user_ptr[1]);
14723 }
14724 }
5393b917 14725
4c476991
JB		 14726 if (ops->internal_flags & NL80211_FLAG_NEED_RTNL)
14727 rtnl_unlock();
5393b917
JB		 14728
14729 /* If needed, clear the netlink message payload from the SKB
14730 * as it might contain key data that shouldn't stick around on
14731 * the heap after the SKB is freed. The netlink message header
14732 * is still needed for further processing, so leave it intact.
14733 */
14734 if (ops->internal_flags & NL80211_FLAG_CLEAR_SKB) {
14735 struct nlmsghdr *nlh = nlmsg_hdr(skb);
14736
14737 memset(nlmsg_data(nlh), 0, nlmsg_len(nlh));
14738 }
4c476991
JB		 14739}
14740
6bdb68ce
CH		 14741static int nl80211_set_sar_sub_specs(struct cfg80211_registered_device *rdev,
14742 struct cfg80211_sar_specs *sar_specs,
14743 struct nlattr *spec[], int index)
14744{
14745 u32 range_index, i;
14746
14747 if (!sar_specs || !spec)
14748 return -EINVAL;
14749
14750 if (!spec[NL80211_SAR_ATTR_SPECS_POWER] ||
14751 !spec[NL80211_SAR_ATTR_SPECS_RANGE_INDEX])
14752 return -EINVAL;
14753
14754 range_index = nla_get_u32(spec[NL80211_SAR_ATTR_SPECS_RANGE_INDEX]);
14755
14756 /* check if range_index exceeds num_freq_ranges */
14757 if (range_index >= rdev->wiphy.sar_capa->num_freq_ranges)
14758 return -EINVAL;
14759
14760 /* check if range_index duplicates */
14761 for (i = 0; i < index; i++) {
14762 if (sar_specs->sub_specs[i].freq_range_index == range_index)
14763 return -EINVAL;
14764 }
14765
14766 sar_specs->sub_specs[index].power =
14767 nla_get_s32(spec[NL80211_SAR_ATTR_SPECS_POWER]);
14768
14769 sar_specs->sub_specs[index].freq_range_index = range_index;
14770
14771 return 0;
14772}
14773
14774static int nl80211_set_sar_specs(struct sk_buff *skb, struct genl_info *info)
14775{
14776 struct cfg80211_registered_device *rdev = info->user_ptr[0];
14777 struct nlattr *spec[NL80211_SAR_ATTR_SPECS_MAX + 1];
14778 struct nlattr *tb[NL80211_SAR_ATTR_MAX + 1];
14779 struct cfg80211_sar_specs *sar_spec;
14780 enum nl80211_sar_type type;
14781 struct nlattr *spec_list;
14782 u32 specs;
14783 int rem, err;
14784
14785 if (!rdev->wiphy.sar_capa || !rdev->ops->set_sar_specs)
14786 return -EOPNOTSUPP;
14787
14788 if (!info->attrs[NL80211_ATTR_SAR_SPEC])
14789 return -EINVAL;
14790
14791 nla_parse_nested(tb, NL80211_SAR_ATTR_MAX,
14792 info->attrs[NL80211_ATTR_SAR_SPEC],
14793 NULL, NULL);
14794
14795 if (!tb[NL80211_SAR_ATTR_TYPE] || !tb[NL80211_SAR_ATTR_SPECS])
14796 return -EINVAL;
14797
14798 type = nla_get_u32(tb[NL80211_SAR_ATTR_TYPE]);
14799 if (type != rdev->wiphy.sar_capa->type)
14800 return -EINVAL;
14801
14802 specs = 0;
14803 nla_for_each_nested(spec_list, tb[NL80211_SAR_ATTR_SPECS], rem)
14804 specs++;
14805
14806 if (specs > rdev->wiphy.sar_capa->num_freq_ranges)
14807 return -EINVAL;
14808
14809 sar_spec = kzalloc(sizeof(*sar_spec) +
14810 specs * sizeof(struct cfg80211_sar_sub_specs),
14811 GFP_KERNEL);
14812 if (!sar_spec)
14813 return -ENOMEM;
14814
14815 sar_spec->type = type;
14816 specs = 0;
14817 nla_for_each_nested(spec_list, tb[NL80211_SAR_ATTR_SPECS], rem) {
14818 nla_parse_nested(spec, NL80211_SAR_ATTR_SPECS_MAX,
14819 spec_list, NULL, NULL);
14820
14821 switch (type) {
14822 case NL80211_SAR_TYPE_POWER:
14823 if (nl80211_set_sar_sub_specs(rdev, sar_spec,
14824 spec, specs)) {
14825 err = -EINVAL;
14826 goto error;
14827 }
14828 break;
14829 default:
14830 err = -EINVAL;
14831 goto error;
14832 }
14833 specs++;
14834 }
14835
14836 sar_spec->num_sub_specs = specs;
14837
14838 rdev->cur_cmd_info = info;
14839 err = rdev_set_sar_specs(rdev, sar_spec);
14840 rdev->cur_cmd_info = NULL;
14841error:
14842 kfree(sar_spec);
14843 return err;
14844}
14845
4534de83 14846static const struct genl_ops nl80211_ops[] = {
55682965
JB		 14847 {
14848 .cmd = NL80211_CMD_GET_WIPHY,
ef6243ac 14849 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
55682965
JB		 14850 .doit = nl80211_get_wiphy,
14851 .dumpit = nl80211_dump_wiphy,
86e8cf98 14852 .done = nl80211_dump_wiphy_done,
55682965 14853 /* can be retrieved by unprivileged users */
5fe231e8
JB		 14854 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14855 NL80211_FLAG_NEED_RTNL,
55682965 14856 },
66a9b928
JK		 14857};
14858
14859static const struct genl_small_ops nl80211_small_ops[] = {
55682965
JB		 14860 {
14861 .cmd = NL80211_CMD_SET_WIPHY,
ef6243ac 14862 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
55682965 14863 .doit = nl80211_set_wiphy,
5617c6cd 14864 .flags = GENL_UNS_ADMIN_PERM,
4c476991 14865 .internal_flags = NL80211_FLAG_NEED_RTNL,
55682965
JB		 14866 },
14867 {
14868 .cmd = NL80211_CMD_GET_INTERFACE,
ef6243ac 14869 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
55682965
JB		 14870 .doit = nl80211_get_interface,
14871 .dumpit = nl80211_dump_interface,
55682965 14872 /* can be retrieved by unprivileged users */
5fe231e8
JB		 14873 .internal_flags = NL80211_FLAG_NEED_WDEV |
14874 NL80211_FLAG_NEED_RTNL,
55682965
JB		 14875 },
14876 {
14877 .cmd = NL80211_CMD_SET_INTERFACE,
ef6243ac 14878 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
55682965 14879 .doit = nl80211_set_interface,
5617c6cd 14880 .flags = GENL_UNS_ADMIN_PERM,
4c476991
JB		 14881 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14882 NL80211_FLAG_NEED_RTNL,
55682965
JB		 14883 },
14884 {
14885 .cmd = NL80211_CMD_NEW_INTERFACE,
ef6243ac 14886 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
55682965 14887 .doit = nl80211_new_interface,
5617c6cd 14888 .flags = GENL_UNS_ADMIN_PERM,
4c476991
JB		 14889 .internal_flags = NL80211_FLAG_NEED_WIPHY |
14890 NL80211_FLAG_NEED_RTNL,
55682965
JB		 14891 },
14892 {
14893 .cmd = NL80211_CMD_DEL_INTERFACE,
ef6243ac 14894 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
55682965 14895 .doit = nl80211_del_interface,
5617c6cd 14896 .flags = GENL_UNS_ADMIN_PERM,
84efbb84 14897 .internal_flags = NL80211_FLAG_NEED_WDEV |
4c476991 14898 NL80211_FLAG_NEED_RTNL,
41ade00f
JB		 14899 },
14900 {
14901 .cmd = NL80211_CMD_GET_KEY,
ef6243ac 14902 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
41ade00f 14903 .doit = nl80211_get_key,
5617c6cd 14904 .flags = GENL_UNS_ADMIN_PERM,
2b5f8b0b 14905 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 14906 NL80211_FLAG_NEED_RTNL,
41ade00f
JB		 14907 },
14908 {
14909 .cmd = NL80211_CMD_SET_KEY,
ef6243ac 14910 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
41ade00f 14911 .doit = nl80211_set_key,
5617c6cd 14912 .flags = GENL_UNS_ADMIN_PERM,
41265714 14913 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
5393b917
JB		 14914 NL80211_FLAG_NEED_RTNL |
14915 NL80211_FLAG_CLEAR_SKB,
41ade00f
JB		 14916 },
14917 {
14918 .cmd = NL80211_CMD_NEW_KEY,
ef6243ac 14919 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
41ade00f 14920 .doit = nl80211_new_key,
5617c6cd 14921 .flags = GENL_UNS_ADMIN_PERM,
41265714 14922 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
5393b917
JB		 14923 NL80211_FLAG_NEED_RTNL |
14924 NL80211_FLAG_CLEAR_SKB,
41ade00f
JB		 14925 },
14926 {
14927 .cmd = NL80211_CMD_DEL_KEY,
ef6243ac 14928 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
41ade00f 14929 .doit = nl80211_del_key,
5617c6cd 14930 .flags = GENL_UNS_ADMIN_PERM,
41265714 14931 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 14932 NL80211_FLAG_NEED_RTNL,
55682965 14933 },
ed1b6cc7
JB		 14934 {
14935 .cmd = NL80211_CMD_SET_BEACON,
ef6243ac 14936 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5617c6cd 14937 .flags = GENL_UNS_ADMIN_PERM,
8860020e 14938 .doit = nl80211_set_beacon,
2b5f8b0b 14939 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 14940 NL80211_FLAG_NEED_RTNL,
ed1b6cc7
JB		 14941 },
14942 {
8860020e 14943 .cmd = NL80211_CMD_START_AP,
ef6243ac 14944 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5617c6cd 14945 .flags = GENL_UNS_ADMIN_PERM,
8860020e 14946 .doit = nl80211_start_ap,
2b5f8b0b 14947 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 14948 NL80211_FLAG_NEED_RTNL,
ed1b6cc7
JB		 14949 },
14950 {
8860020e 14951 .cmd = NL80211_CMD_STOP_AP,
ef6243ac 14952 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5617c6cd 14953 .flags = GENL_UNS_ADMIN_PERM,
8860020e 14954 .doit = nl80211_stop_ap,
2b5f8b0b 14955 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 14956 NL80211_FLAG_NEED_RTNL,
ed1b6cc7 14957 },
5727ef1b
JB		 14958 {
14959 .cmd = NL80211_CMD_GET_STATION,
ef6243ac 14960 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5727ef1b 14961 .doit = nl80211_get_station,
2ec600d6 14962 .dumpit = nl80211_dump_station,
4c476991
JB		 14963 .internal_flags = NL80211_FLAG_NEED_NETDEV |
14964 NL80211_FLAG_NEED_RTNL,
5727ef1b
JB		 14965 },
14966 {
14967 .cmd = NL80211_CMD_SET_STATION,
ef6243ac 14968 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5727ef1b 14969 .doit = nl80211_set_station,
5617c6cd 14970 .flags = GENL_UNS_ADMIN_PERM,
2b5f8b0b 14971 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 14972 NL80211_FLAG_NEED_RTNL,
5727ef1b
JB		 14973 },
14974 {
14975 .cmd = NL80211_CMD_NEW_STATION,
ef6243ac 14976 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5727ef1b 14977 .doit = nl80211_new_station,
5617c6cd 14978 .flags = GENL_UNS_ADMIN_PERM,
41265714 14979 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 14980 NL80211_FLAG_NEED_RTNL,
5727ef1b
JB		 14981 },
14982 {
14983 .cmd = NL80211_CMD_DEL_STATION,
ef6243ac 14984 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5727ef1b 14985 .doit = nl80211_del_station,
5617c6cd 14986 .flags = GENL_UNS_ADMIN_PERM,
2b5f8b0b 14987 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 14988 NL80211_FLAG_NEED_RTNL,
2ec600d6
LCC		 14989 },
14990 {
14991 .cmd = NL80211_CMD_GET_MPATH,
ef6243ac 14992 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2ec600d6
LCC		 14993 .doit = nl80211_get_mpath,
14994 .dumpit = nl80211_dump_mpath,
5617c6cd 14995 .flags = GENL_UNS_ADMIN_PERM,
41265714 14996 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 14997 NL80211_FLAG_NEED_RTNL,
2ec600d6 14998 },
66be7d2b
HR		 14999 {
15000 .cmd = NL80211_CMD_GET_MPP,
ef6243ac 15001 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
66be7d2b
HR		 15002 .doit = nl80211_get_mpp,
15003 .dumpit = nl80211_dump_mpp,
5617c6cd 15004 .flags = GENL_UNS_ADMIN_PERM,
66be7d2b
HR		 15005 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15006 NL80211_FLAG_NEED_RTNL,
15007 },
2ec600d6
LCC		 15008 {
15009 .cmd = NL80211_CMD_SET_MPATH,
ef6243ac 15010 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2ec600d6 15011 .doit = nl80211_set_mpath,
5617c6cd 15012 .flags = GENL_UNS_ADMIN_PERM,
41265714 15013 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 15014 NL80211_FLAG_NEED_RTNL,
2ec600d6
LCC		 15015 },
15016 {
15017 .cmd = NL80211_CMD_NEW_MPATH,
ef6243ac 15018 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2ec600d6 15019 .doit = nl80211_new_mpath,
5617c6cd 15020 .flags = GENL_UNS_ADMIN_PERM,
41265714 15021 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 15022 NL80211_FLAG_NEED_RTNL,
2ec600d6
LCC		 15023 },
15024 {
15025 .cmd = NL80211_CMD_DEL_MPATH,
ef6243ac 15026 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2ec600d6 15027 .doit = nl80211_del_mpath,
5617c6cd 15028 .flags = GENL_UNS_ADMIN_PERM,
2b5f8b0b 15029 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 15030 NL80211_FLAG_NEED_RTNL,
9f1ba906
JM		 15031 },
15032 {
15033 .cmd = NL80211_CMD_SET_BSS,
ef6243ac 15034 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
9f1ba906 15035 .doit = nl80211_set_bss,
5617c6cd 15036 .flags = GENL_UNS_ADMIN_PERM,
2b5f8b0b 15037 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 15038 NL80211_FLAG_NEED_RTNL,
b2e1b302 15039 },
f130347c
LR		 15040 {
15041 .cmd = NL80211_CMD_GET_REG,
ef6243ac 15042 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
ad30ca2c
AN		 15043 .doit = nl80211_get_reg_do,
15044 .dumpit = nl80211_get_reg_dump,
5fe231e8 15045 .internal_flags = NL80211_FLAG_NEED_RTNL,
f130347c
LR		 15046 /* can be retrieved by unprivileged users */
15047 },
b6863036 15048#ifdef CONFIG_CFG80211_CRDA_SUPPORT
b2e1b302
LR		 15049 {
15050 .cmd = NL80211_CMD_SET_REG,
ef6243ac 15051 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
b2e1b302 15052 .doit = nl80211_set_reg,
b2e1b302 15053 .flags = GENL_ADMIN_PERM,
5fe231e8 15054 .internal_flags = NL80211_FLAG_NEED_RTNL,
b2e1b302 15055 },
b6863036 15056#endif
b2e1b302
LR		 15057 {
15058 .cmd = NL80211_CMD_REQ_SET_REG,
ef6243ac 15059 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
b2e1b302 15060 .doit = nl80211_req_set_reg,
93da9cc1 15061 .flags = GENL_ADMIN_PERM,
15062 },
1ea4ff3e
JB		 15063 {
15064 .cmd = NL80211_CMD_RELOAD_REGDB,
ef6243ac 15065 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1ea4ff3e 15066 .doit = nl80211_reload_regdb,
1ea4ff3e
JB		 15067 .flags = GENL_ADMIN_PERM,
15068 },
93da9cc1 15069 {
24bdd9f4 15070 .cmd = NL80211_CMD_GET_MESH_CONFIG,
ef6243ac 15071 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
24bdd9f4 15072 .doit = nl80211_get_mesh_config,
93da9cc1 15073 /* can be retrieved by unprivileged users */
2b5f8b0b 15074 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 15075 NL80211_FLAG_NEED_RTNL,
93da9cc1 15076 },
15077 {
24bdd9f4 15078 .cmd = NL80211_CMD_SET_MESH_CONFIG,
ef6243ac 15079 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
24bdd9f4 15080 .doit = nl80211_update_mesh_config,
5617c6cd 15081 .flags = GENL_UNS_ADMIN_PERM,
29cbe68c 15082 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 15083 NL80211_FLAG_NEED_RTNL,
9aed3cc1 15084 },
2a519311
JB		 15085 {
15086 .cmd = NL80211_CMD_TRIGGER_SCAN,
ef6243ac 15087 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2a519311 15088 .doit = nl80211_trigger_scan,
5617c6cd 15089 .flags = GENL_UNS_ADMIN_PERM,
fd014284 15090 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
4c476991 15091 NL80211_FLAG_NEED_RTNL,
2a519311 15092 },
91d3ab46
VK		 15093 {
15094 .cmd = NL80211_CMD_ABORT_SCAN,
ef6243ac 15095 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
91d3ab46 15096 .doit = nl80211_abort_scan,
5617c6cd 15097 .flags = GENL_UNS_ADMIN_PERM,
91d3ab46
VK		 15098 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
15099 NL80211_FLAG_NEED_RTNL,
15100 },
2a519311
JB		 15101 {
15102 .cmd = NL80211_CMD_GET_SCAN,
ef6243ac 15103 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2a519311
JB		 15104 .dumpit = nl80211_dump_scan,
15105 },
807f8a8c
LC		 15106 {
15107 .cmd = NL80211_CMD_START_SCHED_SCAN,
ef6243ac 15108 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
807f8a8c 15109 .doit = nl80211_start_sched_scan,
5617c6cd 15110 .flags = GENL_UNS_ADMIN_PERM,
807f8a8c
LC		 15111 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15112 NL80211_FLAG_NEED_RTNL,
15113 },
15114 {
15115 .cmd = NL80211_CMD_STOP_SCHED_SCAN,
ef6243ac 15116 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
807f8a8c 15117 .doit = nl80211_stop_sched_scan,
5617c6cd 15118 .flags = GENL_UNS_ADMIN_PERM,
807f8a8c
LC		 15119 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15120 NL80211_FLAG_NEED_RTNL,
15121 },
636a5d36
JM		 15122 {
15123 .cmd = NL80211_CMD_AUTHENTICATE,
ef6243ac 15124 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
636a5d36 15125 .doit = nl80211_authenticate,
5617c6cd 15126 .flags = GENL_UNS_ADMIN_PERM,
41265714 15127 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
5393b917
JB		 15128 NL80211_FLAG_NEED_RTNL |
15129 NL80211_FLAG_CLEAR_SKB,
636a5d36
JM		 15130 },
15131 {
15132 .cmd = NL80211_CMD_ASSOCIATE,
ef6243ac 15133 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
636a5d36 15134 .doit = nl80211_associate,
5617c6cd 15135 .flags = GENL_UNS_ADMIN_PERM,
41265714 15136 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
d6db02a8
SD		 15137 NL80211_FLAG_NEED_RTNL |
15138 NL80211_FLAG_CLEAR_SKB,
636a5d36
JM		 15139 },
15140 {
15141 .cmd = NL80211_CMD_DEAUTHENTICATE,
ef6243ac 15142 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
636a5d36 15143 .doit = nl80211_deauthenticate,
5617c6cd 15144 .flags = GENL_UNS_ADMIN_PERM,
41265714 15145 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 15146 NL80211_FLAG_NEED_RTNL,
636a5d36
JM		 15147 },
15148 {
15149 .cmd = NL80211_CMD_DISASSOCIATE,
ef6243ac 15150 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
636a5d36 15151 .doit = nl80211_disassociate,
5617c6cd 15152 .flags = GENL_UNS_ADMIN_PERM,
41265714 15153 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 15154 NL80211_FLAG_NEED_RTNL,
636a5d36 15155 },
04a773ad
JB		 15156 {
15157 .cmd = NL80211_CMD_JOIN_IBSS,
ef6243ac 15158 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
04a773ad 15159 .doit = nl80211_join_ibss,
5617c6cd 15160 .flags = GENL_UNS_ADMIN_PERM,
41265714 15161 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 15162 NL80211_FLAG_NEED_RTNL,
04a773ad
JB		 15163 },
15164 {
15165 .cmd = NL80211_CMD_LEAVE_IBSS,
ef6243ac 15166 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
04a773ad 15167 .doit = nl80211_leave_ibss,
5617c6cd 15168 .flags = GENL_UNS_ADMIN_PERM,
41265714 15169 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 15170 NL80211_FLAG_NEED_RTNL,
04a773ad 15171 },
aff89a9b
JB		 15172#ifdef CONFIG_NL80211_TESTMODE
15173 {
15174 .cmd = NL80211_CMD_TESTMODE,
ef6243ac 15175 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
aff89a9b 15176 .doit = nl80211_testmode_do,
71063f0e 15177 .dumpit = nl80211_testmode_dump,
5617c6cd 15178 .flags = GENL_UNS_ADMIN_PERM,
4c476991
JB		 15179 .internal_flags = NL80211_FLAG_NEED_WIPHY |
15180 NL80211_FLAG_NEED_RTNL,
aff89a9b
JB		 15181 },
15182#endif
b23aa676
SO		 15183 {
15184 .cmd = NL80211_CMD_CONNECT,
ef6243ac 15185 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
b23aa676 15186 .doit = nl80211_connect,
5617c6cd 15187 .flags = GENL_UNS_ADMIN_PERM,
41265714 15188 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
d6db02a8
SD		 15189 NL80211_FLAG_NEED_RTNL |
15190 NL80211_FLAG_CLEAR_SKB,
b23aa676 15191 },
088e8df8 15192 {
15193 .cmd = NL80211_CMD_UPDATE_CONNECT_PARAMS,
ef6243ac 15194 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
088e8df8 15195 .doit = nl80211_update_connect_params,
088e8df8 15196 .flags = GENL_ADMIN_PERM,
15197 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
d6db02a8
SD		 15198 NL80211_FLAG_NEED_RTNL |
15199 NL80211_FLAG_CLEAR_SKB,
088e8df8 15200 },
b23aa676
SO		 15201 {
15202 .cmd = NL80211_CMD_DISCONNECT,
ef6243ac 15203 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
b23aa676 15204 .doit = nl80211_disconnect,
5617c6cd 15205 .flags = GENL_UNS_ADMIN_PERM,
41265714 15206 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 15207 NL80211_FLAG_NEED_RTNL,
b23aa676 15208 },
463d0183
JB		 15209 {
15210 .cmd = NL80211_CMD_SET_WIPHY_NETNS,
ef6243ac 15211 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
463d0183 15212 .doit = nl80211_wiphy_netns,
5617c6cd 15213 .flags = GENL_UNS_ADMIN_PERM,
4c476991
JB		 15214 .internal_flags = NL80211_FLAG_NEED_WIPHY |
15215 NL80211_FLAG_NEED_RTNL,
463d0183 15216 },
61fa713c
HS		 15217 {
15218 .cmd = NL80211_CMD_GET_SURVEY,
ef6243ac 15219 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
61fa713c
HS		 15220 .dumpit = nl80211_dump_survey,
15221 },
67fbb16b
SO		 15222 {
15223 .cmd = NL80211_CMD_SET_PMKSA,
ef6243ac 15224 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
67fbb16b 15225 .doit = nl80211_setdel_pmksa,
5617c6cd 15226 .flags = GENL_UNS_ADMIN_PERM,
2b5f8b0b 15227 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
d6db02a8
SD		 15228 NL80211_FLAG_NEED_RTNL |
15229 NL80211_FLAG_CLEAR_SKB,
67fbb16b
SO		 15230 },
15231 {
15232 .cmd = NL80211_CMD_DEL_PMKSA,
ef6243ac 15233 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
67fbb16b 15234 .doit = nl80211_setdel_pmksa,
5617c6cd 15235 .flags = GENL_UNS_ADMIN_PERM,
2b5f8b0b 15236 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 15237 NL80211_FLAG_NEED_RTNL,
67fbb16b
SO		 15238 },
15239 {
15240 .cmd = NL80211_CMD_FLUSH_PMKSA,
ef6243ac 15241 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
67fbb16b 15242 .doit = nl80211_flush_pmksa,
5617c6cd 15243 .flags = GENL_UNS_ADMIN_PERM,
2b5f8b0b 15244 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 15245 NL80211_FLAG_NEED_RTNL,
67fbb16b 15246 },
9588bbd5
JM		 15247 {
15248 .cmd = NL80211_CMD_REMAIN_ON_CHANNEL,
ef6243ac 15249 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
9588bbd5 15250 .doit = nl80211_remain_on_channel,
5617c6cd 15251 .flags = GENL_UNS_ADMIN_PERM,
71bbc994 15252 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
4c476991 15253 NL80211_FLAG_NEED_RTNL,
9588bbd5
JM		 15254 },
15255 {
15256 .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
ef6243ac 15257 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
9588bbd5 15258 .doit = nl80211_cancel_remain_on_channel,
5617c6cd 15259 .flags = GENL_UNS_ADMIN_PERM,
71bbc994 15260 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
4c476991 15261 NL80211_FLAG_NEED_RTNL,
9588bbd5 15262 },
13ae75b1
JM		 15263 {
15264 .cmd = NL80211_CMD_SET_TX_BITRATE_MASK,
ef6243ac 15265 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
13ae75b1 15266 .doit = nl80211_set_tx_bitrate_mask,
5617c6cd 15267 .flags = GENL_UNS_ADMIN_PERM,
4c476991
JB		 15268 .internal_flags = NL80211_FLAG_NEED_NETDEV |
15269 NL80211_FLAG_NEED_RTNL,
13ae75b1 15270 },
026331c4 15271 {
2e161f78 15272 .cmd = NL80211_CMD_REGISTER_FRAME,
ef6243ac 15273 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2e161f78 15274 .doit = nl80211_register_mgmt,
5617c6cd 15275 .flags = GENL_UNS_ADMIN_PERM,
71bbc994 15276 .internal_flags = NL80211_FLAG_NEED_WDEV |
4c476991 15277 NL80211_FLAG_NEED_RTNL,
026331c4
JM		 15278 },
15279 {
2e161f78 15280 .cmd = NL80211_CMD_FRAME,
ef6243ac 15281 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2e161f78 15282 .doit = nl80211_tx_mgmt,
5617c6cd 15283 .flags = GENL_UNS_ADMIN_PERM,
71bbc994 15284 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
f7ca38df
JB		 15285 NL80211_FLAG_NEED_RTNL,
15286 },
15287 {
15288 .cmd = NL80211_CMD_FRAME_WAIT_CANCEL,
ef6243ac 15289 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
f7ca38df 15290 .doit = nl80211_tx_mgmt_cancel_wait,
5617c6cd 15291 .flags = GENL_UNS_ADMIN_PERM,
71bbc994 15292 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
4c476991 15293 NL80211_FLAG_NEED_RTNL,
026331c4 15294 },
ffb9eb3d
KV		 15295 {
15296 .cmd = NL80211_CMD_SET_POWER_SAVE,
ef6243ac 15297 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
ffb9eb3d 15298 .doit = nl80211_set_power_save,
5617c6cd 15299 .flags = GENL_UNS_ADMIN_PERM,
4c476991
JB		 15300 .internal_flags = NL80211_FLAG_NEED_NETDEV |
15301 NL80211_FLAG_NEED_RTNL,
ffb9eb3d
KV		 15302 },
15303 {
15304 .cmd = NL80211_CMD_GET_POWER_SAVE,
ef6243ac 15305 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
ffb9eb3d 15306 .doit = nl80211_get_power_save,
ffb9eb3d 15307 /* can be retrieved by unprivileged users */
4c476991
JB		 15308 .internal_flags = NL80211_FLAG_NEED_NETDEV |
15309 NL80211_FLAG_NEED_RTNL,
ffb9eb3d 15310 },
d6dc1a38
JO		 15311 {
15312 .cmd = NL80211_CMD_SET_CQM,
ef6243ac 15313 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
d6dc1a38 15314 .doit = nl80211_set_cqm,
5617c6cd 15315 .flags = GENL_UNS_ADMIN_PERM,
4c476991
JB		 15316 .internal_flags = NL80211_FLAG_NEED_NETDEV |
15317 NL80211_FLAG_NEED_RTNL,
d6dc1a38 15318 },
f444de05
JB		 15319 {
15320 .cmd = NL80211_CMD_SET_CHANNEL,
ef6243ac 15321 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
f444de05 15322 .doit = nl80211_set_channel,
5617c6cd 15323 .flags = GENL_UNS_ADMIN_PERM,
4c476991
JB		 15324 .internal_flags = NL80211_FLAG_NEED_NETDEV |
15325 NL80211_FLAG_NEED_RTNL,
f444de05 15326 },
29cbe68c
JB		 15327 {
15328 .cmd = NL80211_CMD_JOIN_MESH,
ef6243ac 15329 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
29cbe68c 15330 .doit = nl80211_join_mesh,
5617c6cd 15331 .flags = GENL_UNS_ADMIN_PERM,
29cbe68c
JB		 15332 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15333 NL80211_FLAG_NEED_RTNL,
15334 },
15335 {
15336 .cmd = NL80211_CMD_LEAVE_MESH,
ef6243ac 15337 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
29cbe68c 15338 .doit = nl80211_leave_mesh,
5617c6cd 15339 .flags = GENL_UNS_ADMIN_PERM,
29cbe68c
JB		 15340 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15341 NL80211_FLAG_NEED_RTNL,
15342 },
6e0bd6c3
RL		 15343 {
15344 .cmd = NL80211_CMD_JOIN_OCB,
ef6243ac 15345 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
6e0bd6c3 15346 .doit = nl80211_join_ocb,
5617c6cd 15347 .flags = GENL_UNS_ADMIN_PERM,
6e0bd6c3
RL		 15348 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15349 NL80211_FLAG_NEED_RTNL,
15350 },
15351 {
15352 .cmd = NL80211_CMD_LEAVE_OCB,
ef6243ac 15353 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
6e0bd6c3 15354 .doit = nl80211_leave_ocb,
5617c6cd 15355 .flags = GENL_UNS_ADMIN_PERM,
6e0bd6c3
RL		 15356 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15357 NL80211_FLAG_NEED_RTNL,
15358 },
dfb89c56 15359#ifdef CONFIG_PM
ff1b6e69
JB		 15360 {
15361 .cmd = NL80211_CMD_GET_WOWLAN,
ef6243ac 15362 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
ff1b6e69 15363 .doit = nl80211_get_wowlan,
ff1b6e69
JB		 15364 /* can be retrieved by unprivileged users */
15365 .internal_flags = NL80211_FLAG_NEED_WIPHY |
15366 NL80211_FLAG_NEED_RTNL,
15367 },
15368 {
15369 .cmd = NL80211_CMD_SET_WOWLAN,
ef6243ac 15370 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
ff1b6e69 15371 .doit = nl80211_set_wowlan,
5617c6cd 15372 .flags = GENL_UNS_ADMIN_PERM,
ff1b6e69
JB		 15373 .internal_flags = NL80211_FLAG_NEED_WIPHY |
15374 NL80211_FLAG_NEED_RTNL,
15375 },
dfb89c56 15376#endif
e5497d76
JB		 15377 {
15378 .cmd = NL80211_CMD_SET_REKEY_OFFLOAD,
ef6243ac 15379 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
e5497d76 15380 .doit = nl80211_set_rekey_data,
5617c6cd 15381 .flags = GENL_UNS_ADMIN_PERM,
e5497d76 15382 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
5393b917
JB		 15383 NL80211_FLAG_NEED_RTNL |
15384 NL80211_FLAG_CLEAR_SKB,
e5497d76 15385 },
109086ce
AN		 15386 {
15387 .cmd = NL80211_CMD_TDLS_MGMT,
ef6243ac 15388 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
109086ce 15389 .doit = nl80211_tdls_mgmt,
5617c6cd 15390 .flags = GENL_UNS_ADMIN_PERM,
109086ce
AN		 15391 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15392 NL80211_FLAG_NEED_RTNL,
15393 },
15394 {
15395 .cmd = NL80211_CMD_TDLS_OPER,
ef6243ac 15396 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
109086ce 15397 .doit = nl80211_tdls_oper,
5617c6cd 15398 .flags = GENL_UNS_ADMIN_PERM,
109086ce
AN		 15399 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15400 NL80211_FLAG_NEED_RTNL,
15401 },
28946da7
JB		 15402 {
15403 .cmd = NL80211_CMD_UNEXPECTED_FRAME,
ef6243ac 15404 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
28946da7 15405 .doit = nl80211_register_unexpected_frame,
5617c6cd 15406 .flags = GENL_UNS_ADMIN_PERM,
28946da7
JB		 15407 .internal_flags = NL80211_FLAG_NEED_NETDEV |
15408 NL80211_FLAG_NEED_RTNL,
15409 },
7f6cf311
JB		 15410 {
15411 .cmd = NL80211_CMD_PROBE_CLIENT,
ef6243ac 15412 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
7f6cf311 15413 .doit = nl80211_probe_client,
5617c6cd 15414 .flags = GENL_UNS_ADMIN_PERM,
2b5f8b0b 15415 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
7f6cf311
JB		 15416 NL80211_FLAG_NEED_RTNL,
15417 },
5e760230
JB		 15418 {
15419 .cmd = NL80211_CMD_REGISTER_BEACONS,
ef6243ac 15420 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5e760230 15421 .doit = nl80211_register_beacons,
5617c6cd 15422 .flags = GENL_UNS_ADMIN_PERM,
5e760230
JB		 15423 .internal_flags = NL80211_FLAG_NEED_WIPHY |
15424 NL80211_FLAG_NEED_RTNL,
15425 },
1d9d9213
SW		 15426 {
15427 .cmd = NL80211_CMD_SET_NOACK_MAP,
ef6243ac 15428 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1d9d9213 15429 .doit = nl80211_set_noack_map,
5617c6cd 15430 .flags = GENL_UNS_ADMIN_PERM,
1d9d9213
SW		 15431 .internal_flags = NL80211_FLAG_NEED_NETDEV |
15432 NL80211_FLAG_NEED_RTNL,
15433 },
98104fde
JB		 15434 {
15435 .cmd = NL80211_CMD_START_P2P_DEVICE,
ef6243ac 15436 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
98104fde 15437 .doit = nl80211_start_p2p_device,
5617c6cd 15438 .flags = GENL_UNS_ADMIN_PERM,
98104fde
JB		 15439 .internal_flags = NL80211_FLAG_NEED_WDEV |
15440 NL80211_FLAG_NEED_RTNL,
15441 },
15442 {
15443 .cmd = NL80211_CMD_STOP_P2P_DEVICE,
ef6243ac 15444 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
98104fde 15445 .doit = nl80211_stop_p2p_device,
5617c6cd 15446 .flags = GENL_UNS_ADMIN_PERM,
98104fde
JB		 15447 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
15448 NL80211_FLAG_NEED_RTNL,
cb3b7d87
AB		 15449 },
15450 {
15451 .cmd = NL80211_CMD_START_NAN,
ef6243ac 15452 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
cb3b7d87 15453 .doit = nl80211_start_nan,
cb3b7d87
AB		 15454 .flags = GENL_ADMIN_PERM,
15455 .internal_flags = NL80211_FLAG_NEED_WDEV |
15456 NL80211_FLAG_NEED_RTNL,
15457 },
15458 {
15459 .cmd = NL80211_CMD_STOP_NAN,
ef6243ac 15460 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
cb3b7d87 15461 .doit = nl80211_stop_nan,
cb3b7d87
AB		 15462 .flags = GENL_ADMIN_PERM,
15463 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
15464 NL80211_FLAG_NEED_RTNL,
a442b761
AB		 15465 },
15466 {
15467 .cmd = NL80211_CMD_ADD_NAN_FUNCTION,
ef6243ac 15468 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
a442b761 15469 .doit = nl80211_nan_add_func,
a442b761
AB		 15470 .flags = GENL_ADMIN_PERM,
15471 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
15472 NL80211_FLAG_NEED_RTNL,
15473 },
15474 {
15475 .cmd = NL80211_CMD_DEL_NAN_FUNCTION,
ef6243ac 15476 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
a442b761 15477 .doit = nl80211_nan_del_func,
a442b761
AB		 15478 .flags = GENL_ADMIN_PERM,
15479 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
15480 NL80211_FLAG_NEED_RTNL,
a5a9dcf2
AB		 15481 },
15482 {
15483 .cmd = NL80211_CMD_CHANGE_NAN_CONFIG,
ef6243ac 15484 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
a5a9dcf2 15485 .doit = nl80211_nan_change_config,
a5a9dcf2
AB		 15486 .flags = GENL_ADMIN_PERM,
15487 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
15488 NL80211_FLAG_NEED_RTNL,
98104fde 15489 },
f4e583c8
AQ		 15490 {
15491 .cmd = NL80211_CMD_SET_MCAST_RATE,
ef6243ac 15492 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
f4e583c8 15493 .doit = nl80211_set_mcast_rate,
5617c6cd 15494 .flags = GENL_UNS_ADMIN_PERM,
77765eaf
VT		 15495 .internal_flags = NL80211_FLAG_NEED_NETDEV |
15496 NL80211_FLAG_NEED_RTNL,
15497 },
15498 {
15499 .cmd = NL80211_CMD_SET_MAC_ACL,
ef6243ac 15500 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
77765eaf 15501 .doit = nl80211_set_mac_acl,
5617c6cd 15502 .flags = GENL_UNS_ADMIN_PERM,
f4e583c8
AQ		 15503 .internal_flags = NL80211_FLAG_NEED_NETDEV |
15504 NL80211_FLAG_NEED_RTNL,
15505 },
04f39047
SW		 15506 {
15507 .cmd = NL80211_CMD_RADAR_DETECT,
ef6243ac 15508 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
04f39047 15509 .doit = nl80211_start_radar_detection,
5617c6cd 15510 .flags = GENL_UNS_ADMIN_PERM,
04f39047
SW		 15511 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15512 NL80211_FLAG_NEED_RTNL,
15513 },
3713b4e3
JB		 15514 {
15515 .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES,
ef6243ac 15516 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
3713b4e3 15517 .doit = nl80211_get_protocol_features,
3713b4e3 15518 },
355199e0
JM		 15519 {
15520 .cmd = NL80211_CMD_UPDATE_FT_IES,
ef6243ac 15521 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
355199e0 15522 .doit = nl80211_update_ft_ies,
5617c6cd 15523 .flags = GENL_UNS_ADMIN_PERM,
355199e0
JM		 15524 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15525 NL80211_FLAG_NEED_RTNL,
15526 },
5de17984
AS		 15527 {
15528 .cmd = NL80211_CMD_CRIT_PROTOCOL_START,
ef6243ac 15529 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5de17984 15530 .doit = nl80211_crit_protocol_start,
5617c6cd 15531 .flags = GENL_UNS_ADMIN_PERM,
5de17984
AS		 15532 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
15533 NL80211_FLAG_NEED_RTNL,
15534 },
15535 {
15536 .cmd = NL80211_CMD_CRIT_PROTOCOL_STOP,
ef6243ac 15537 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
5de17984 15538 .doit = nl80211_crit_protocol_stop,
5617c6cd 15539 .flags = GENL_UNS_ADMIN_PERM,
5de17984
AS		 15540 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
15541 NL80211_FLAG_NEED_RTNL,
be29b99a
AK		 15542 },
15543 {
15544 .cmd = NL80211_CMD_GET_COALESCE,
ef6243ac 15545 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
be29b99a 15546 .doit = nl80211_get_coalesce,
be29b99a
AK		 15547 .internal_flags = NL80211_FLAG_NEED_WIPHY |
15548 NL80211_FLAG_NEED_RTNL,
15549 },
15550 {
15551 .cmd = NL80211_CMD_SET_COALESCE,
ef6243ac 15552 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
be29b99a 15553 .doit = nl80211_set_coalesce,
5617c6cd 15554 .flags = GENL_UNS_ADMIN_PERM,
be29b99a
AK		 15555 .internal_flags = NL80211_FLAG_NEED_WIPHY |
15556 NL80211_FLAG_NEED_RTNL,
16ef1fe2
SW		 15557 },
15558 {
15559 .cmd = NL80211_CMD_CHANNEL_SWITCH,
ef6243ac 15560 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
16ef1fe2 15561 .doit = nl80211_channel_switch,
5617c6cd 15562 .flags = GENL_UNS_ADMIN_PERM,
16ef1fe2
SW		 15563 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15564 NL80211_FLAG_NEED_RTNL,
15565 },
ad7e718c
JB		 15566 {
15567 .cmd = NL80211_CMD_VENDOR,
ef6243ac 15568 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
ad7e718c 15569 .doit = nl80211_vendor_cmd,
7bdbe400 15570 .dumpit = nl80211_vendor_cmd_dump,
5617c6cd 15571 .flags = GENL_UNS_ADMIN_PERM,
ad7e718c 15572 .internal_flags = NL80211_FLAG_NEED_WIPHY |
d6db02a8
SD		 15573 NL80211_FLAG_NEED_RTNL |
15574 NL80211_FLAG_CLEAR_SKB,
ad7e718c 15575 },
fa9ffc74
KP		 15576 {
15577 .cmd = NL80211_CMD_SET_QOS_MAP,
ef6243ac 15578 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
fa9ffc74 15579 .doit = nl80211_set_qos_map,
5617c6cd 15580 .flags = GENL_UNS_ADMIN_PERM,
fa9ffc74
KP		 15581 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15582 NL80211_FLAG_NEED_RTNL,
15583 },
960d01ac
JB		 15584 {
15585 .cmd = NL80211_CMD_ADD_TX_TS,
ef6243ac 15586 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
960d01ac 15587 .doit = nl80211_add_tx_ts,
5617c6cd 15588 .flags = GENL_UNS_ADMIN_PERM,
960d01ac
JB		 15589 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15590 NL80211_FLAG_NEED_RTNL,
15591 },
15592 {
15593 .cmd = NL80211_CMD_DEL_TX_TS,
ef6243ac 15594 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
960d01ac 15595 .doit = nl80211_del_tx_ts,
5617c6cd 15596 .flags = GENL_UNS_ADMIN_PERM,
960d01ac
JB		 15597 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15598 NL80211_FLAG_NEED_RTNL,
15599 },
1057d35e
AN		 15600 {
15601 .cmd = NL80211_CMD_TDLS_CHANNEL_SWITCH,
ef6243ac 15602 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1057d35e 15603 .doit = nl80211_tdls_channel_switch,
5617c6cd 15604 .flags = GENL_UNS_ADMIN_PERM,
1057d35e
AN		 15605 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15606 NL80211_FLAG_NEED_RTNL,
15607 },
15608 {
15609 .cmd = NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH,
ef6243ac 15610 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
1057d35e 15611 .doit = nl80211_tdls_cancel_channel_switch,
5617c6cd 15612 .flags = GENL_UNS_ADMIN_PERM,
1057d35e
AN		 15613 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15614 NL80211_FLAG_NEED_RTNL,
15615 },
ce0ce13a
MB		 15616 {
15617 .cmd = NL80211_CMD_SET_MULTICAST_TO_UNICAST,
ef6243ac 15618 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
ce0ce13a 15619 .doit = nl80211_set_multicast_to_unicast,
ce0ce13a
MB		 15620 .flags = GENL_UNS_ADMIN_PERM,
15621 .internal_flags = NL80211_FLAG_NEED_NETDEV |
15622 NL80211_FLAG_NEED_RTNL,
15623 },
3a00df57
AS		 15624 {
15625 .cmd = NL80211_CMD_SET_PMK,
ef6243ac 15626 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
3a00df57 15627 .doit = nl80211_set_pmk,
3a00df57 15628 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
d6db02a8
SD		 15629 NL80211_FLAG_NEED_RTNL |
15630 NL80211_FLAG_CLEAR_SKB,
3a00df57
AS		 15631 },
15632 {
15633 .cmd = NL80211_CMD_DEL_PMK,
ef6243ac 15634 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
3a00df57 15635 .doit = nl80211_del_pmk,
3a00df57
AS		 15636 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15637 NL80211_FLAG_NEED_RTNL,
15638 },
40cbfa90
SD		 15639 {
15640 .cmd = NL80211_CMD_EXTERNAL_AUTH,
ef6243ac 15641 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
40cbfa90 15642 .doit = nl80211_external_auth,
40cbfa90
SD		 15643 .flags = GENL_ADMIN_PERM,
15644 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15645 NL80211_FLAG_NEED_RTNL,
15646 },
2576a9ac
DK		 15647 {
15648 .cmd = NL80211_CMD_CONTROL_PORT_FRAME,
ef6243ac 15649 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
2576a9ac 15650 .doit = nl80211_tx_control_port,
2576a9ac
DK		 15651 .flags = GENL_UNS_ADMIN_PERM,
15652 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15653 NL80211_FLAG_NEED_RTNL,
15654 },
81e54d08
PKC		 15655 {
15656 .cmd = NL80211_CMD_GET_FTM_RESPONDER_STATS,
ef6243ac 15657 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
81e54d08 15658 .doit = nl80211_get_ftm_responder_stats,
81e54d08
PKC		 15659 .internal_flags = NL80211_FLAG_NEED_NETDEV |
15660 NL80211_FLAG_NEED_RTNL,
15661 },
9bb7e0f2
JB		 15662 {
15663 .cmd = NL80211_CMD_PEER_MEASUREMENT_START,
ef6243ac 15664 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
9bb7e0f2 15665 .doit = nl80211_pmsr_start,
9bb7e0f2
JB		 15666 .flags = GENL_UNS_ADMIN_PERM,
15667 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
15668 NL80211_FLAG_NEED_RTNL,
15669 },
30c63115
S		 15670 {
15671 .cmd = NL80211_CMD_NOTIFY_RADAR,
ef6243ac 15672 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
30c63115 15673 .doit = nl80211_notify_radar_detection,
30c63115
S		 15674 .flags = GENL_UNS_ADMIN_PERM,
15675 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15676 NL80211_FLAG_NEED_RTNL,
15677 },
cb74e977
SD		 15678 {
15679 .cmd = NL80211_CMD_UPDATE_OWE_INFO,
15680 .doit = nl80211_update_owe_info,
15681 .flags = GENL_ADMIN_PERM,
5ab92e7f
RM		 15682 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15683 NL80211_FLAG_NEED_RTNL,
15684 },
15685 {
15686 .cmd = NL80211_CMD_PROBE_MESH_LINK,
15687 .doit = nl80211_probe_mesh_link,
15688 .flags = GENL_UNS_ADMIN_PERM,
cb74e977
SD		 15689 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
15690 NL80211_FLAG_NEED_RTNL,
15691 },
77f576de
T		 15692 {
15693 .cmd = NL80211_CMD_SET_TID_CONFIG,
15694 .doit = nl80211_set_tid_config,
15695 .flags = GENL_UNS_ADMIN_PERM,
15696 .internal_flags = NL80211_FLAG_NEED_NETDEV |
15697 NL80211_FLAG_NEED_RTNL,
15698 },
6bdb68ce
CH		 15699 {
15700 .cmd = NL80211_CMD_SET_SAR_SPECS,
15701 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
15702 .doit = nl80211_set_sar_specs,
15703 .flags = GENL_UNS_ADMIN_PERM,
15704 .internal_flags = NL80211_FLAG_NEED_WIPHY |
15705 NL80211_FLAG_NEED_RTNL,
15706 },
55682965 15707};
9588bbd5 15708
56989f6d 15709static struct genl_family nl80211_fam __ro_after_init = {
489111e5
JB		 15710 .name = NL80211_GENL_NAME, /* have users key off the name instead */
15711 .hdrsize = 0, /* no private header */
15712 .version = 1, /* no particular meaning now */
15713 .maxattr = NL80211_ATTR_MAX,
3b0f31f2 15714 .policy = nl80211_policy,
489111e5
JB		 15715 .netnsok = true,
15716 .pre_doit = nl80211_pre_doit,
15717 .post_doit = nl80211_post_doit,
15718 .module = THIS_MODULE,
15719 .ops = nl80211_ops,
15720 .n_ops = ARRAY_SIZE(nl80211_ops),
66a9b928
JK		 15721 .small_ops = nl80211_small_ops,
15722 .n_small_ops = ARRAY_SIZE(nl80211_small_ops),
489111e5
JB		 15723 .mcgrps = nl80211_mcgrps,
15724 .n_mcgrps = ARRAY_SIZE(nl80211_mcgrps),
50508d94 15725 .parallel_ops = true,
489111e5
JB		 15726};
15727
55682965
JB		 15728/* notification functions */
15729
3bb20556
JB		 15730void nl80211_notify_wiphy(struct cfg80211_registered_device *rdev,
15731 enum nl80211_commands cmd)
55682965
JB		 15732{
15733 struct sk_buff *msg;
86e8cf98 15734 struct nl80211_dump_wiphy_state state = {};
55682965 15735
3bb20556
JB		 15736 WARN_ON(cmd != NL80211_CMD_NEW_WIPHY &&
15737 cmd != NL80211_CMD_DEL_WIPHY);
15738
fd2120ca 15739 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
55682965
JB		 15740 if (!msg)
15741 return;
15742
3bb20556 15743 if (nl80211_send_wiphy(rdev, cmd, msg, 0, 0, 0, &state) < 0) {
55682965
JB		 15744 nlmsg_free(msg);
15745 return;
15746 }
15747
68eb5503 15748 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 15749 NL80211_MCGRP_CONFIG, GFP_KERNEL);
55682965
JB		 15750}
15751
896ff063
DK		 15752void nl80211_notify_iface(struct cfg80211_registered_device *rdev,
15753 struct wireless_dev *wdev,
15754 enum nl80211_commands cmd)
15755{
15756 struct sk_buff *msg;
15757
896ff063
DK		 15758 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
15759 if (!msg)
15760 return;
15761
3d1a5bbf 15762 if (nl80211_send_iface(msg, 0, 0, 0, rdev, wdev, cmd) < 0) {
896ff063
DK		 15763 nlmsg_free(msg);
15764 return;
15765 }
15766
15767 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
15768 NL80211_MCGRP_CONFIG, GFP_KERNEL);
15769}
15770
362a415d
JB		 15771static int nl80211_add_scan_req(struct sk_buff *msg,
15772 struct cfg80211_registered_device *rdev)
15773{
15774 struct cfg80211_scan_request *req = rdev->scan_req;
15775 struct nlattr *nest;
15776 int i;
c8cb5b85 15777 struct cfg80211_scan_info *info;
362a415d
JB		 15778
15779 if (WARN_ON(!req))
15780 return 0;
15781
ae0be8de 15782 nest = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_SSIDS);
362a415d
JB		 15783 if (!nest)
15784 goto nla_put_failure;
9360ffd1
DM		 15785 for (i = 0; i < req->n_ssids; i++) {
15786 if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid))
15787 goto nla_put_failure;
15788 }
362a415d
JB		 15789 nla_nest_end(msg, nest);
15790
2032f3b2
TP		 15791 if (req->flags & NL80211_SCAN_FLAG_FREQ_KHZ) {
15792 nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQ_KHZ);
15793 if (!nest)
15794 goto nla_put_failure;
15795 for (i = 0; i < req->n_channels; i++) {
15796 if (nla_put_u32(msg, i,
15797 ieee80211_channel_to_khz(req->channels[i])))
15798 goto nla_put_failure;
15799 }
15800 nla_nest_end(msg, nest);
15801 } else {
15802 nest = nla_nest_start_noflag(msg,
15803 NL80211_ATTR_SCAN_FREQUENCIES);
15804 if (!nest)
9360ffd1 15805 goto nla_put_failure;
2032f3b2
TP		 15806 for (i = 0; i < req->n_channels; i++) {
15807 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
15808 goto nla_put_failure;
15809 }
15810 nla_nest_end(msg, nest);
9360ffd1 15811 }
362a415d 15812
9360ffd1
DM		 15813 if (req->ie &&
15814 nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie))
15815 goto nla_put_failure;
362a415d 15816
ae917c9f
JB		 15817 if (req->flags &&
15818 nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags))
15819 goto nla_put_failure;
ed473771 15820
c8cb5b85
TM		 15821 info = rdev->int_scan_req ? &rdev->int_scan_req->info :
15822 &rdev->scan_req->info;
15823 if (info->scan_start_tsf &&
1d76250b 15824 (nla_put_u64_64bit(msg, NL80211_ATTR_SCAN_START_TIME_TSF,
c8cb5b85 15825 info->scan_start_tsf, NL80211_BSS_PAD) ||
1d76250b 15826 nla_put(msg, NL80211_ATTR_SCAN_START_TIME_TSF_BSSID, ETH_ALEN,
c8cb5b85 15827 info->tsf_bssid)))
1d76250b
AS		 15828 goto nla_put_failure;
15829
362a415d
JB		 15830 return 0;
15831 nla_put_failure:
15832 return -ENOBUFS;
15833}
15834
505a2e88 15835static int nl80211_prep_scan_msg(struct sk_buff *msg,
a538e2d5 15836 struct cfg80211_registered_device *rdev,
fd014284 15837 struct wireless_dev *wdev,
15e47304 15838 u32 portid, u32 seq, int flags,
a538e2d5 15839 u32 cmd)
2a519311
JB		 15840{
15841 void *hdr;
15842
15e47304 15843 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
2a519311
JB		 15844 if (!hdr)
15845 return -1;
15846
9360ffd1 15847 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
fd014284
JB		 15848 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
15849 wdev->netdev->ifindex)) ||
2dad624e
ND		 15850 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
15851 NL80211_ATTR_PAD))
9360ffd1 15852 goto nla_put_failure;
2a519311 15853
362a415d
JB		 15854 /* ignore errors and send incomplete event anyway */
15855 nl80211_add_scan_req(msg, rdev);
2a519311 15856
053c095a
JB		 15857 genlmsg_end(msg, hdr);
15858 return 0;
2a519311
JB		 15859
15860 nla_put_failure:
15861 genlmsg_cancel(msg, hdr);
15862 return -EMSGSIZE;
15863}
15864
807f8a8c 15865static int
505a2e88 15866nl80211_prep_sched_scan_msg(struct sk_buff *msg,
96b08fd6 15867 struct cfg80211_sched_scan_request *req, u32 cmd)
807f8a8c
LC		 15868{
15869 void *hdr;
15870
96b08fd6 15871 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
807f8a8c
LC		 15872 if (!hdr)
15873 return -1;
15874
96b08fd6
AVS		 15875 if (nla_put_u32(msg, NL80211_ATTR_WIPHY,
15876 wiphy_to_rdev(req->wiphy)->wiphy_idx) ||
15877 nla_put_u32(msg, NL80211_ATTR_IFINDEX, req->dev->ifindex) ||
15878 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, req->reqid,
15879 NL80211_ATTR_PAD))
9360ffd1 15880 goto nla_put_failure;
807f8a8c 15881
053c095a
JB		 15882 genlmsg_end(msg, hdr);
15883 return 0;
807f8a8c
LC		 15884
15885 nla_put_failure:
15886 genlmsg_cancel(msg, hdr);
15887 return -EMSGSIZE;
15888}
15889
a538e2d5 15890void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
fd014284 15891 struct wireless_dev *wdev)
a538e2d5
JB		 15892{
15893 struct sk_buff *msg;
15894
58050fce 15895 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
a538e2d5
JB		 15896 if (!msg)
15897 return;
15898
505a2e88 15899 if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0,
a538e2d5
JB		 15900 NL80211_CMD_TRIGGER_SCAN) < 0) {
15901 nlmsg_free(msg);
15902 return;
15903 }
15904
68eb5503 15905 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 15906 NL80211_MCGRP_SCAN, GFP_KERNEL);
a538e2d5
JB		 15907}
15908
f9d15d16
JB		 15909struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev,
15910 struct wireless_dev *wdev, bool aborted)
2a519311
JB		 15911{
15912 struct sk_buff *msg;
15913
fd2120ca 15914 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
2a519311 15915 if (!msg)
f9d15d16 15916 return NULL;
2a519311 15917
505a2e88 15918 if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0,
f9d15d16
JB		 15919 aborted ? NL80211_CMD_SCAN_ABORTED :
15920 NL80211_CMD_NEW_SCAN_RESULTS) < 0) {
2a519311 15921 nlmsg_free(msg);
f9d15d16 15922 return NULL;
2a519311
JB		 15923 }
15924
f9d15d16 15925 return msg;
2a519311
JB		 15926}
15927
505a2e88
AVS		 15928/* send message created by nl80211_build_scan_msg() */
15929void nl80211_send_scan_msg(struct cfg80211_registered_device *rdev,
15930 struct sk_buff *msg)
807f8a8c 15931{
807f8a8c
LC		 15932 if (!msg)
15933 return;
15934
68eb5503 15935 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 15936 NL80211_MCGRP_SCAN, GFP_KERNEL);
807f8a8c
LC		 15937}
15938
96b08fd6 15939void nl80211_send_sched_scan(struct cfg80211_sched_scan_request *req, u32 cmd)
807f8a8c
LC		 15940{
15941 struct sk_buff *msg;
15942
58050fce 15943 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
807f8a8c
LC		 15944 if (!msg)
15945 return;
15946
96b08fd6 15947 if (nl80211_prep_sched_scan_msg(msg, req, cmd) < 0) {
807f8a8c
LC		 15948 nlmsg_free(msg);
15949 return;
15950 }
15951
96b08fd6 15952 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(req->wiphy), msg, 0,
2a94fe48 15953 NL80211_MCGRP_SCAN, GFP_KERNEL);
807f8a8c
LC		 15954}
15955
b0d7aa59
JD		 15956static bool nl80211_reg_change_event_fill(struct sk_buff *msg,
15957 struct regulatory_request *request)
73d54c9e 15958{
73d54c9e 15959 /* Userspace can always count this one always being set */
9360ffd1
DM		 15960 if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator))
15961 goto nla_put_failure;
15962
15963 if (request->alpha2[0] == '0' && request->alpha2[1] == '0') {
15964 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
15965 NL80211_REGDOM_TYPE_WORLD))
15966 goto nla_put_failure;
15967 } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') {
15968 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
15969 NL80211_REGDOM_TYPE_CUSTOM_WORLD))
15970 goto nla_put_failure;
15971 } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') ||
15972 request->intersect) {
15973 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
15974 NL80211_REGDOM_TYPE_INTERSECTION))
15975 goto nla_put_failure;
15976 } else {
15977 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
15978 NL80211_REGDOM_TYPE_COUNTRY) ||
15979 nla_put_string(msg, NL80211_ATTR_REG_ALPHA2,
15980 request->alpha2))
15981 goto nla_put_failure;
15982 }
15983
ad30ca2c
AN		 15984 if (request->wiphy_idx != WIPHY_IDX_INVALID) {
15985 struct wiphy *wiphy = wiphy_idx_to_wiphy(request->wiphy_idx);
15986
15987 if (wiphy &&
15988 nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx))
15989 goto nla_put_failure;
1bdd716c
AN		 15990
15991 if (wiphy &&
15992 wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
15993 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
15994 goto nla_put_failure;
ad30ca2c 15995 }
73d54c9e 15996
b0d7aa59
JD		 15997 return true;
15998
15999nla_put_failure:
16000 return false;
16001}
16002
16003/*
16004 * This can happen on global regulatory changes or device specific settings
16005 * based on custom regulatory domains.
16006 */
16007void nl80211_common_reg_change_event(enum nl80211_commands cmd_id,
16008 struct regulatory_request *request)
16009{
16010 struct sk_buff *msg;
16011 void *hdr;
16012
16013 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
16014 if (!msg)
16015 return;
16016
16017 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd_id);
24f6d765 16018 if (!hdr)
16019 goto nla_put_failure;
b0d7aa59 16020
24f6d765 16021 if (!nl80211_reg_change_event_fill(msg, request))
b0d7aa59
JD		 16022 goto nla_put_failure;
16023
3b7b72ee 16024 genlmsg_end(msg, hdr);
73d54c9e 16025
bc43b28c 16026 rcu_read_lock();
68eb5503 16027 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
2a94fe48 16028 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
bc43b28c 16029 rcu_read_unlock();
73d54c9e
LR		 16030
16031 return;
16032
16033nla_put_failure:
73d54c9e
LR		 16034 nlmsg_free(msg);
16035}
16036
6039f6d2
JM		 16037static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
16038 struct net_device *netdev,
16039 const u8 *buf, size_t len,
b0b6aa2c 16040 enum nl80211_commands cmd, gfp_t gfp,
4d9ec73d 16041 int uapsd_queues, const u8 *req_ies,
3bb02143 16042 size_t req_ies_len, bool reconnect)
6039f6d2
JM		 16043{
16044 struct sk_buff *msg;
16045 void *hdr;
16046
4d9ec73d 16047 msg = nlmsg_new(100 + len + req_ies_len, gfp);
6039f6d2
JM		 16048 if (!msg)
16049 return;
16050
16051 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
16052 if (!hdr) {
16053 nlmsg_free(msg);
16054 return;
16055 }
16056
9360ffd1
DM		 16057 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16058 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
4d9ec73d
JM		 16059 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
16060 (req_ies &&
16061 nla_put(msg, NL80211_ATTR_REQ_IE, req_ies_len, req_ies)))
9360ffd1 16062 goto nla_put_failure;
6039f6d2 16063
3bb02143
JB		 16064 if (reconnect && nla_put_flag(msg, NL80211_ATTR_RECONNECT_REQUESTED))
16065 goto nla_put_failure;
16066
b0b6aa2c
EP		 16067 if (uapsd_queues >= 0) {
16068 struct nlattr *nla_wmm =
ae0be8de 16069 nla_nest_start_noflag(msg, NL80211_ATTR_STA_WME);
b0b6aa2c
EP		 16070 if (!nla_wmm)
16071 goto nla_put_failure;
16072
16073 if (nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES,
16074 uapsd_queues))
16075 goto nla_put_failure;
16076
16077 nla_nest_end(msg, nla_wmm);
16078 }
16079
3b7b72ee 16080 genlmsg_end(msg, hdr);
6039f6d2 16081
68eb5503 16082 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 16083 NL80211_MCGRP_MLME, gfp);
6039f6d2
JM		 16084 return;
16085
16086 nla_put_failure:
6039f6d2
JM		 16087 nlmsg_free(msg);
16088}
16089
16090void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev,
e6d6e342
JB		 16091 struct net_device *netdev, const u8 *buf,
16092 size_t len, gfp_t gfp)
6039f6d2
JM		 16093{
16094 nl80211_send_mlme_event(rdev, netdev, buf, len,
3bb02143
JB		 16095 NL80211_CMD_AUTHENTICATE, gfp, -1, NULL, 0,
16096 false);
6039f6d2
JM		 16097}
16098
16099void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev,
16100 struct net_device *netdev, const u8 *buf,
4d9ec73d
JM		 16101 size_t len, gfp_t gfp, int uapsd_queues,
16102 const u8 *req_ies, size_t req_ies_len)
6039f6d2 16103{
e6d6e342 16104 nl80211_send_mlme_event(rdev, netdev, buf, len,
4d9ec73d 16105 NL80211_CMD_ASSOCIATE, gfp, uapsd_queues,
3bb02143 16106 req_ies, req_ies_len, false);
6039f6d2
JM		 16107}
16108
53b46b84 16109void nl80211_send_deauth(struct cfg80211_registered_device *rdev,
e6d6e342 16110 struct net_device *netdev, const u8 *buf,
3bb02143 16111 size_t len, bool reconnect, gfp_t gfp)
6039f6d2
JM		 16112{
16113 nl80211_send_mlme_event(rdev, netdev, buf, len,
3bb02143
JB		 16114 NL80211_CMD_DEAUTHENTICATE, gfp, -1, NULL, 0,
16115 reconnect);
6039f6d2
JM		 16116}
16117
53b46b84
JM		 16118void nl80211_send_disassoc(struct cfg80211_registered_device *rdev,
16119 struct net_device *netdev, const u8 *buf,
3bb02143 16120 size_t len, bool reconnect, gfp_t gfp)
6039f6d2
JM		 16121{
16122 nl80211_send_mlme_event(rdev, netdev, buf, len,
3bb02143
JB		 16123 NL80211_CMD_DISASSOCIATE, gfp, -1, NULL, 0,
16124 reconnect);
6039f6d2
JM		 16125}
16126
6ff57cf8
JB		 16127void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf,
16128 size_t len)
cf4e594e 16129{
947add36
JB		 16130 struct wireless_dev *wdev = dev->ieee80211_ptr;
16131 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 16132 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
6ff57cf8
JB		 16133 const struct ieee80211_mgmt *mgmt = (void *)buf;
16134 u32 cmd;
947add36 16135
6ff57cf8
JB		 16136 if (WARN_ON(len < 2))
16137 return;
cf4e594e 16138
4d797fce 16139 if (ieee80211_is_deauth(mgmt->frame_control)) {
6ff57cf8 16140 cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE;
4d797fce 16141 } else if (ieee80211_is_disassoc(mgmt->frame_control)) {
6ff57cf8 16142 cmd = NL80211_CMD_UNPROT_DISASSOCIATE;
4d797fce
JM		 16143 } else if (ieee80211_is_beacon(mgmt->frame_control)) {
16144 if (wdev->unprot_beacon_reported &&
16145 elapsed_jiffies_msecs(wdev->unprot_beacon_reported) < 10000)
16146 return;
16147 cmd = NL80211_CMD_UNPROT_BEACON;
16148 wdev->unprot_beacon_reported = jiffies;
16149 } else {
16150 return;
16151 }
947add36 16152
6ff57cf8 16153 trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len);
4d9ec73d 16154 nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC, -1,
3bb02143 16155 NULL, 0, false);
cf4e594e 16156}
6ff57cf8 16157EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt);
cf4e594e 16158
1b06bb40
LR		 16159static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev,
16160 struct net_device *netdev, int cmd,
e6d6e342 16161 const u8 *addr, gfp_t gfp)
1965c853
JM		 16162{
16163 struct sk_buff *msg;
16164 void *hdr;
16165
e6d6e342 16166 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
1965c853
JM		 16167 if (!msg)
16168 return;
16169
16170 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
16171 if (!hdr) {
16172 nlmsg_free(msg);
16173 return;
16174 }
16175
9360ffd1
DM		 16176 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16177 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16178 nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
16179 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
16180 goto nla_put_failure;
1965c853 16181
3b7b72ee 16182 genlmsg_end(msg, hdr);
1965c853 16183
68eb5503 16184 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 16185 NL80211_MCGRP_MLME, gfp);
1965c853
JM		 16186 return;
16187
16188 nla_put_failure:
1965c853
JM		 16189 nlmsg_free(msg);
16190}
16191
16192void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev,
e6d6e342
JB		 16193 struct net_device *netdev, const u8 *addr,
16194 gfp_t gfp)
1965c853
JM		 16195{
16196 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE,
e6d6e342 16197 addr, gfp);
1965c853
JM		 16198}
16199
16200void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev,
e6d6e342
JB		 16201 struct net_device *netdev, const u8 *addr,
16202 gfp_t gfp)
1965c853 16203{
e6d6e342
JB		 16204 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE,
16205 addr, gfp);
1965c853
JM		 16206}
16207
b23aa676 16208void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
5349a0f7
VK		 16209 struct net_device *netdev,
16210 struct cfg80211_connect_resp_params *cr,
3093ebbe 16211 gfp_t gfp)
b23aa676
SO		 16212{
16213 struct sk_buff *msg;
16214 void *hdr;
16215
a3caf744 16216 msg = nlmsg_new(100 + cr->req_ie_len + cr->resp_ie_len +
76804d28
AVS		 16217 cr->fils.kek_len + cr->fils.pmk_len +
16218 (cr->fils.pmkid ? WLAN_PMKID_LEN : 0), gfp);
b23aa676
SO		 16219 if (!msg)
16220 return;
16221
16222 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT);
16223 if (!hdr) {
16224 nlmsg_free(msg);
16225 return;
16226 }
16227
9360ffd1
DM		 16228 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16229 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
5349a0f7
VK		 16230 (cr->bssid &&
16231 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, cr->bssid)) ||
bf1ecd21 16232 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE,
5349a0f7
VK		 16233 cr->status < 0 ? WLAN_STATUS_UNSPECIFIED_FAILURE :
16234 cr->status) ||
16235 (cr->status < 0 &&
3093ebbe 16236 (nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
5349a0f7
VK		 16237 nla_put_u32(msg, NL80211_ATTR_TIMEOUT_REASON,
16238 cr->timeout_reason))) ||
16239 (cr->req_ie &&
16240 nla_put(msg, NL80211_ATTR_REQ_IE, cr->req_ie_len, cr->req_ie)) ||
16241 (cr->resp_ie &&
16242 nla_put(msg, NL80211_ATTR_RESP_IE, cr->resp_ie_len,
a3caf744 16243 cr->resp_ie)) ||
76804d28 16244 (cr->fils.update_erp_next_seq_num &&
a3caf744 16245 nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
76804d28 16246 cr->fils.erp_next_seq_num)) ||
a3caf744 16247 (cr->status == WLAN_STATUS_SUCCESS &&
76804d28
AVS		 16248 ((cr->fils.kek &&
16249 nla_put(msg, NL80211_ATTR_FILS_KEK, cr->fils.kek_len,
16250 cr->fils.kek)) ||
16251 (cr->fils.pmk &&
16252 nla_put(msg, NL80211_ATTR_PMK, cr->fils.pmk_len, cr->fils.pmk)) ||
16253 (cr->fils.pmkid &&
16254 nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, cr->fils.pmkid)))))
9360ffd1 16255 goto nla_put_failure;
b23aa676 16256
3b7b72ee 16257 genlmsg_end(msg, hdr);
b23aa676 16258
68eb5503 16259 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 16260 NL80211_MCGRP_MLME, gfp);
b23aa676
SO		 16261 return;
16262
16263 nla_put_failure:
b23aa676 16264 nlmsg_free(msg);
b23aa676
SO		 16265}
16266
16267void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
29ce6ecb
AS		 16268 struct net_device *netdev,
16269 struct cfg80211_roam_info *info, gfp_t gfp)
b23aa676
SO		 16270{
16271 struct sk_buff *msg;
16272 void *hdr;
29ce6ecb 16273 const u8 *bssid = info->bss ? info->bss->bssid : info->bssid;
b23aa676 16274
e841b7b1
AVS		 16275 msg = nlmsg_new(100 + info->req_ie_len + info->resp_ie_len +
16276 info->fils.kek_len + info->fils.pmk_len +
16277 (info->fils.pmkid ? WLAN_PMKID_LEN : 0), gfp);
b23aa676
SO		 16278 if (!msg)
16279 return;
16280
16281 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM);
16282 if (!hdr) {
16283 nlmsg_free(msg);
16284 return;
16285 }
16286
9360ffd1
DM		 16287 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16288 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16289 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid) ||
29ce6ecb
AS		 16290 (info->req_ie &&
16291 nla_put(msg, NL80211_ATTR_REQ_IE, info->req_ie_len,
16292 info->req_ie)) ||
16293 (info->resp_ie &&
16294 nla_put(msg, NL80211_ATTR_RESP_IE, info->resp_ie_len,
e841b7b1
AVS		 16295 info->resp_ie)) ||
16296 (info->fils.update_erp_next_seq_num &&
16297 nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
16298 info->fils.erp_next_seq_num)) ||
16299 (info->fils.kek &&
16300 nla_put(msg, NL80211_ATTR_FILS_KEK, info->fils.kek_len,
16301 info->fils.kek)) ||
16302 (info->fils.pmk &&
16303 nla_put(msg, NL80211_ATTR_PMK, info->fils.pmk_len, info->fils.pmk)) ||
16304 (info->fils.pmkid &&
16305 nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, info->fils.pmkid)))
9360ffd1 16306 goto nla_put_failure;
b23aa676 16307
3b7b72ee 16308 genlmsg_end(msg, hdr);
b23aa676 16309
68eb5503 16310 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 16311 NL80211_MCGRP_MLME, gfp);
b23aa676
SO		 16312 return;
16313
503c1fb9 16314 nla_put_failure:
503c1fb9
AS		 16315 nlmsg_free(msg);
16316}
16317
16318void nl80211_send_port_authorized(struct cfg80211_registered_device *rdev,
16319 struct net_device *netdev, const u8 *bssid)
16320{
16321 struct sk_buff *msg;
16322 void *hdr;
16323
16324 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
16325 if (!msg)
16326 return;
16327
16328 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PORT_AUTHORIZED);
16329 if (!hdr) {
16330 nlmsg_free(msg);
16331 return;
16332 }
16333
f4d75993
CHH		 16334 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16335 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16336 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
503c1fb9
AS		 16337 goto nla_put_failure;
16338
16339 genlmsg_end(msg, hdr);
16340
16341 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
16342 NL80211_MCGRP_MLME, GFP_KERNEL);
16343 return;
16344
b23aa676 16345 nla_put_failure:
b23aa676 16346 nlmsg_free(msg);
b23aa676
SO		 16347}
16348
16349void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
16350 struct net_device *netdev, u16 reason,
667503dd 16351 const u8 *ie, size_t ie_len, bool from_ap)
b23aa676
SO		 16352{
16353 struct sk_buff *msg;
16354 void *hdr;
16355
4ef8c1c9 16356 msg = nlmsg_new(100 + ie_len, GFP_KERNEL);
b23aa676
SO		 16357 if (!msg)
16358 return;
16359
16360 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT);
16361 if (!hdr) {
16362 nlmsg_free(msg);
16363 return;
16364 }
16365
9360ffd1
DM		 16366 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16367 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
86b6c465 16368 (reason &&
9360ffd1
DM		 16369 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) ||
16370 (from_ap &&
16371 nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) ||
16372 (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie)))
16373 goto nla_put_failure;
b23aa676 16374
3b7b72ee 16375 genlmsg_end(msg, hdr);
b23aa676 16376
68eb5503 16377 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 16378 NL80211_MCGRP_MLME, GFP_KERNEL);
b23aa676
SO		 16379 return;
16380
16381 nla_put_failure:
b23aa676 16382 nlmsg_free(msg);
b23aa676
SO		 16383}
16384
04a773ad
JB		 16385void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev,
16386 struct net_device *netdev, const u8 *bssid,
16387 gfp_t gfp)
16388{
16389 struct sk_buff *msg;
16390 void *hdr;
16391
fd2120ca 16392 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
04a773ad
JB		 16393 if (!msg)
16394 return;
16395
16396 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS);
16397 if (!hdr) {
16398 nlmsg_free(msg);
16399 return;
16400 }
16401
9360ffd1
DM		 16402 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16403 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16404 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
16405 goto nla_put_failure;
04a773ad 16406
3b7b72ee 16407 genlmsg_end(msg, hdr);
04a773ad 16408
68eb5503 16409 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 16410 NL80211_MCGRP_MLME, gfp);
04a773ad
JB		 16411 return;
16412
16413 nla_put_failure:
04a773ad
JB		 16414 nlmsg_free(msg);
16415}
16416
947add36 16417void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr,
ecbc12ad
BC		 16418 const u8 *ie, u8 ie_len,
16419 int sig_dbm, gfp_t gfp)
c93b5e71 16420{
947add36 16421 struct wireless_dev *wdev = dev->ieee80211_ptr;
f26cbf40 16422 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
c93b5e71
JC		 16423 struct sk_buff *msg;
16424 void *hdr;
16425
947add36
JB		 16426 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT))
16427 return;
16428
16429 trace_cfg80211_notify_new_peer_candidate(dev, addr);
16430
4ef8c1c9 16431 msg = nlmsg_new(100 + ie_len, gfp);
c93b5e71
JC		 16432 if (!msg)
16433 return;
16434
16435 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE);
16436 if (!hdr) {
16437 nlmsg_free(msg);
16438 return;
16439 }
16440
9360ffd1 16441 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
947add36
JB		 16442 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16443 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
9360ffd1 16444 (ie_len && ie &&
ecbc12ad
BC		 16445 nla_put(msg, NL80211_ATTR_IE, ie_len, ie)) ||
16446 (sig_dbm &&
16447 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)))
9360ffd1 16448 goto nla_put_failure;
c93b5e71 16449
3b7b72ee 16450 genlmsg_end(msg, hdr);
c93b5e71 16451
68eb5503 16452 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 16453 NL80211_MCGRP_MLME, gfp);
c93b5e71
JC		 16454 return;
16455
16456 nla_put_failure:
c93b5e71
JC		 16457 nlmsg_free(msg);
16458}
947add36 16459EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate);
c93b5e71 16460
a3b8b056
JM		 16461void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
16462 struct net_device *netdev, const u8 *addr,
16463 enum nl80211_key_type key_type, int key_id,
e6d6e342 16464 const u8 *tsc, gfp_t gfp)
a3b8b056
JM		 16465{
16466 struct sk_buff *msg;
16467 void *hdr;
16468
e6d6e342 16469 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
a3b8b056
JM		 16470 if (!msg)
16471 return;
16472
16473 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE);
16474 if (!hdr) {
16475 nlmsg_free(msg);
16476 return;
16477 }
16478
9360ffd1
DM		 16479 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16480 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
16481 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
16482 nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) ||
16483 (key_id != -1 &&
16484 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) ||
16485 (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc)))
16486 goto nla_put_failure;
a3b8b056 16487
3b7b72ee 16488 genlmsg_end(msg, hdr);
a3b8b056 16489
68eb5503 16490 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 16491 NL80211_MCGRP_MLME, gfp);
a3b8b056
JM		 16492 return;
16493
16494 nla_put_failure:
a3b8b056
JM		 16495 nlmsg_free(msg);
16496}
16497
6bad8766
LR		 16498void nl80211_send_beacon_hint_event(struct wiphy *wiphy,
16499 struct ieee80211_channel *channel_before,
16500 struct ieee80211_channel *channel_after)
16501{
16502 struct sk_buff *msg;
16503 void *hdr;
16504 struct nlattr *nl_freq;
16505
fd2120ca 16506 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
6bad8766
LR		 16507 if (!msg)
16508 return;
16509
16510 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT);
16511 if (!hdr) {
16512 nlmsg_free(msg);
16513 return;
16514 }
16515
16516 /*
16517 * Since we are applying the beacon hint to a wiphy we know its
16518 * wiphy_idx is valid
16519 */
9360ffd1
DM		 16520 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
16521 goto nla_put_failure;
6bad8766
LR		 16522
16523 /* Before */
ae0be8de 16524 nl_freq = nla_nest_start_noflag(msg, NL80211_ATTR_FREQ_BEFORE);
6bad8766
LR		 16525 if (!nl_freq)
16526 goto nla_put_failure;
50f32718
HD		 16527
16528 if (nl80211_msg_put_channel(msg, wiphy, channel_before, false))
6bad8766
LR		 16529 goto nla_put_failure;
16530 nla_nest_end(msg, nl_freq);
16531
16532 /* After */
ae0be8de 16533 nl_freq = nla_nest_start_noflag(msg, NL80211_ATTR_FREQ_AFTER);
6bad8766
LR		 16534 if (!nl_freq)
16535 goto nla_put_failure;
50f32718
HD		 16536
16537 if (nl80211_msg_put_channel(msg, wiphy, channel_after, false))
6bad8766
LR		 16538 goto nla_put_failure;
16539 nla_nest_end(msg, nl_freq);
16540
3b7b72ee 16541 genlmsg_end(msg, hdr);
6bad8766 16542
463d0183 16543 rcu_read_lock();
68eb5503 16544 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
2a94fe48 16545 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
463d0183 16546 rcu_read_unlock();
6bad8766
LR		 16547
16548 return;
16549
16550nla_put_failure:
6bad8766
LR		 16551 nlmsg_free(msg);
16552}
16553
9588bbd5
JM		 16554static void nl80211_send_remain_on_chan_event(
16555 int cmd, struct cfg80211_registered_device *rdev,
71bbc994 16556 struct wireless_dev *wdev, u64 cookie,
9588bbd5 16557 struct ieee80211_channel *chan,
9588bbd5
JM		 16558 unsigned int duration, gfp_t gfp)
16559{
16560 struct sk_buff *msg;
16561 void *hdr;
16562
16563 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16564 if (!msg)
16565 return;
16566
16567 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
16568 if (!hdr) {
16569 nlmsg_free(msg);
16570 return;
16571 }
16572
9360ffd1 16573 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
71bbc994
JB		 16574 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
16575 wdev->netdev->ifindex)) ||
2dad624e
ND		 16576 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16577 NL80211_ATTR_PAD) ||
9360ffd1 16578 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) ||
42d97a59
JB		 16579 nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
16580 NL80211_CHAN_NO_HT) ||
2dad624e
ND		 16581 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
16582 NL80211_ATTR_PAD))
9360ffd1 16583 goto nla_put_failure;
9588bbd5 16584
9360ffd1
DM		 16585 if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL &&
16586 nla_put_u32(msg, NL80211_ATTR_DURATION, duration))
16587 goto nla_put_failure;
9588bbd5 16588
3b7b72ee 16589 genlmsg_end(msg, hdr);
9588bbd5 16590
68eb5503 16591 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 16592 NL80211_MCGRP_MLME, gfp);
9588bbd5
JM		 16593 return;
16594
16595 nla_put_failure:
9588bbd5
JM		 16596 nlmsg_free(msg);
16597}
16598
947add36
JB		 16599void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie,
16600 struct ieee80211_channel *chan,
16601 unsigned int duration, gfp_t gfp)
9588bbd5 16602{
947add36 16603 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 16604 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
947add36
JB		 16605
16606 trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration);
9588bbd5 16607 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL,
71bbc994 16608 rdev, wdev, cookie, chan,
42d97a59 16609 duration, gfp);
9588bbd5 16610}
947add36 16611EXPORT_SYMBOL(cfg80211_ready_on_channel);
9588bbd5 16612
947add36
JB		 16613void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie,
16614 struct ieee80211_channel *chan,
16615 gfp_t gfp)
9588bbd5 16616{
947add36 16617 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 16618 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
947add36
JB		 16619
16620 trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan);
9588bbd5 16621 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
42d97a59 16622 rdev, wdev, cookie, chan, 0, gfp);
9588bbd5 16623}
947add36 16624EXPORT_SYMBOL(cfg80211_remain_on_channel_expired);
9588bbd5 16625
1c38c7f2
JP		 16626void cfg80211_tx_mgmt_expired(struct wireless_dev *wdev, u64 cookie,
16627 struct ieee80211_channel *chan,
16628 gfp_t gfp)
16629{
16630 struct wiphy *wiphy = wdev->wiphy;
16631 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
16632
16633 trace_cfg80211_tx_mgmt_expired(wdev, cookie, chan);
16634 nl80211_send_remain_on_chan_event(NL80211_CMD_FRAME_WAIT_CANCEL,
16635 rdev, wdev, cookie, chan, 0, gfp);
16636}
16637EXPORT_SYMBOL(cfg80211_tx_mgmt_expired);
16638
947add36
JB		 16639void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr,
16640 struct station_info *sinfo, gfp_t gfp)
98b62183 16641{
947add36 16642 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
f26cbf40 16643 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
98b62183
JB		 16644 struct sk_buff *msg;
16645
947add36
JB		 16646 trace_cfg80211_new_sta(dev, mac_addr, sinfo);
16647
58050fce 16648 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
98b62183
JB		 16649 if (!msg)
16650 return;
16651
cf5ead82 16652 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION, 0, 0, 0,
66266b3a 16653 rdev, dev, mac_addr, sinfo) < 0) {
98b62183
JB		 16654 nlmsg_free(msg);
16655 return;
16656 }
16657
68eb5503 16658 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 16659 NL80211_MCGRP_MLME, gfp);
98b62183 16660}
947add36 16661EXPORT_SYMBOL(cfg80211_new_sta);
98b62183 16662
cf5ead82
JB		 16663void cfg80211_del_sta_sinfo(struct net_device *dev, const u8 *mac_addr,
16664 struct station_info *sinfo, gfp_t gfp)
ec15e68b 16665{
947add36 16666 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
f26cbf40 16667 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
ec15e68b 16668 struct sk_buff *msg;
73887fd9 16669 struct station_info empty_sinfo = {};
cf5ead82 16670
73887fd9
JB		 16671 if (!sinfo)
16672 sinfo = &empty_sinfo;
ec15e68b 16673
947add36
JB		 16674 trace_cfg80211_del_sta(dev, mac_addr);
16675
58050fce 16676 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
7ea3e110
JB		 16677 if (!msg) {
16678 cfg80211_sinfo_release_content(sinfo);
73887fd9 16679 return;
7ea3e110 16680 }
ec15e68b 16681
cf5ead82 16682 if (nl80211_send_station(msg, NL80211_CMD_DEL_STATION, 0, 0, 0,
57007121 16683 rdev, dev, mac_addr, sinfo) < 0) {
ec15e68b 16684 nlmsg_free(msg);
73887fd9 16685 return;
ec15e68b
JM		 16686 }
16687
68eb5503 16688 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 16689 NL80211_MCGRP_MLME, gfp);
ec15e68b 16690}
cf5ead82 16691EXPORT_SYMBOL(cfg80211_del_sta_sinfo);
ec15e68b 16692
947add36
JB		 16693void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr,
16694 enum nl80211_connect_failed_reason reason,
16695 gfp_t gfp)
ed44a951 16696{
947add36 16697 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
f26cbf40 16698 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
ed44a951
PP		 16699 struct sk_buff *msg;
16700 void *hdr;
16701
16702 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
16703 if (!msg)
16704 return;
16705
16706 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED);
16707 if (!hdr) {
16708 nlmsg_free(msg);
16709 return;
16710 }
16711
16712 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16713 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
16714 nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason))
16715 goto nla_put_failure;
16716
16717 genlmsg_end(msg, hdr);
16718
68eb5503 16719 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 16720 NL80211_MCGRP_MLME, gfp);
ed44a951
PP		 16721 return;
16722
16723 nla_put_failure:
ed44a951
PP		 16724 nlmsg_free(msg);
16725}
947add36 16726EXPORT_SYMBOL(cfg80211_conn_failed);
ed44a951 16727
b92ab5d8
JB		 16728static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd,
16729 const u8 *addr, gfp_t gfp)
28946da7
JB		 16730{
16731 struct wireless_dev *wdev = dev->ieee80211_ptr;
f26cbf40 16732 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
28946da7
JB		 16733 struct sk_buff *msg;
16734 void *hdr;
6aa7de05 16735 u32 nlportid = READ_ONCE(wdev->ap_unexpected_nlportid);
28946da7 16736
15e47304 16737 if (!nlportid)
28946da7
JB		 16738 return false;
16739
16740 msg = nlmsg_new(100, gfp);
16741 if (!msg)
16742 return true;
16743
b92ab5d8 16744 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
28946da7
JB		 16745 if (!hdr) {
16746 nlmsg_free(msg);
16747 return true;
16748 }
16749
9360ffd1
DM		 16750 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16751 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16752 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
16753 goto nla_put_failure;
28946da7 16754
9c90a9f6 16755 genlmsg_end(msg, hdr);
15e47304 16756 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
28946da7
JB		 16757 return true;
16758
16759 nla_put_failure:
28946da7
JB		 16760 nlmsg_free(msg);
16761 return true;
16762}
16763
947add36
JB		 16764bool cfg80211_rx_spurious_frame(struct net_device *dev,
16765 const u8 *addr, gfp_t gfp)
b92ab5d8 16766{
947add36
JB		 16767 struct wireless_dev *wdev = dev->ieee80211_ptr;
16768 bool ret;
16769
16770 trace_cfg80211_rx_spurious_frame(dev, addr);
16771
16772 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
16773 wdev->iftype != NL80211_IFTYPE_P2P_GO)) {
16774 trace_cfg80211_return_bool(false);
16775 return false;
16776 }
16777 ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME,
16778 addr, gfp);
16779 trace_cfg80211_return_bool(ret);
16780 return ret;
b92ab5d8 16781}
947add36 16782EXPORT_SYMBOL(cfg80211_rx_spurious_frame);
b92ab5d8 16783
947add36
JB		 16784bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev,
16785 const u8 *addr, gfp_t gfp)
b92ab5d8 16786{
947add36
JB		 16787 struct wireless_dev *wdev = dev->ieee80211_ptr;
16788 bool ret;
16789
16790 trace_cfg80211_rx_unexpected_4addr_frame(dev, addr);
16791
16792 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
16793 wdev->iftype != NL80211_IFTYPE_P2P_GO &&
16794 wdev->iftype != NL80211_IFTYPE_AP_VLAN)) {
16795 trace_cfg80211_return_bool(false);
16796 return false;
16797 }
16798 ret = __nl80211_unexpected_frame(dev,
16799 NL80211_CMD_UNEXPECTED_4ADDR_FRAME,
16800 addr, gfp);
16801 trace_cfg80211_return_bool(ret);
16802 return ret;
b92ab5d8 16803}
947add36 16804EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame);
b92ab5d8 16805
2e161f78 16806int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
15e47304 16807 struct wireless_dev *wdev, u32 nlportid,
804483e9 16808 int freq, int sig_dbm,
19504cf5 16809 const u8 *buf, size_t len, u32 flags, gfp_t gfp)
026331c4 16810{
71bbc994 16811 struct net_device *netdev = wdev->netdev;
026331c4
JM		 16812 struct sk_buff *msg;
16813 void *hdr;
026331c4 16814
4ef8c1c9 16815 msg = nlmsg_new(100 + len, gfp);
026331c4
JM		 16816 if (!msg)
16817 return -ENOMEM;
16818
2e161f78 16819 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
026331c4
JM		 16820 if (!hdr) {
16821 nlmsg_free(msg);
16822 return -ENOMEM;
16823 }
16824
9360ffd1 16825 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
71bbc994
JB		 16826 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
16827 netdev->ifindex)) ||
2dad624e
ND		 16828 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16829 NL80211_ATTR_PAD) ||
e76fede8 16830 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, KHZ_TO_MHZ(freq)) ||
942ba88b 16831 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_OFFSET, freq % 1000) ||
9360ffd1
DM		 16832 (sig_dbm &&
16833 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
19504cf5
VK		 16834 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
16835 (flags &&
16836 nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, flags)))
9360ffd1 16837 goto nla_put_failure;
026331c4 16838
3b7b72ee 16839 genlmsg_end(msg, hdr);
026331c4 16840
15e47304 16841 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
026331c4
JM		 16842
16843 nla_put_failure:
026331c4
JM		 16844 nlmsg_free(msg);
16845 return -ENOBUFS;
16846}
16847
dca9ca2d
MT		 16848static void nl80211_frame_tx_status(struct wireless_dev *wdev, u64 cookie,
16849 const u8 *buf, size_t len, bool ack,
16850 gfp_t gfp, enum nl80211_commands command)
026331c4 16851{
947add36 16852 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 16853 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
71bbc994 16854 struct net_device *netdev = wdev->netdev;
026331c4
JM		 16855 struct sk_buff *msg;
16856 void *hdr;
16857
dca9ca2d
MT		 16858 if (command == NL80211_CMD_FRAME_TX_STATUS)
16859 trace_cfg80211_mgmt_tx_status(wdev, cookie, ack);
16860 else
16861 trace_cfg80211_control_port_tx_status(wdev, cookie, ack);
947add36 16862
4ef8c1c9 16863 msg = nlmsg_new(100 + len, gfp);
026331c4
JM		 16864 if (!msg)
16865 return;
16866
dca9ca2d 16867 hdr = nl80211hdr_put(msg, 0, 0, 0, command);
026331c4
JM		 16868 if (!hdr) {
16869 nlmsg_free(msg);
16870 return;
16871 }
16872
9360ffd1 16873 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
71bbc994
JB		 16874 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
16875 netdev->ifindex)) ||
2dad624e
ND		 16876 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16877 NL80211_ATTR_PAD) ||
9360ffd1 16878 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
2dad624e
ND		 16879 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
16880 NL80211_ATTR_PAD) ||
9360ffd1
DM		 16881 (ack && nla_put_flag(msg, NL80211_ATTR_ACK)))
16882 goto nla_put_failure;
026331c4 16883
3b7b72ee 16884 genlmsg_end(msg, hdr);
026331c4 16885
68eb5503 16886 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 16887 NL80211_MCGRP_MLME, gfp);
026331c4
JM		 16888 return;
16889
dca9ca2d 16890nla_put_failure:
026331c4
JM		 16891 nlmsg_free(msg);
16892}
dca9ca2d
MT		 16893
16894void cfg80211_control_port_tx_status(struct wireless_dev *wdev, u64 cookie,
16895 const u8 *buf, size_t len, bool ack,
16896 gfp_t gfp)
16897{
16898 nl80211_frame_tx_status(wdev, cookie, buf, len, ack, gfp,
16899 NL80211_CMD_CONTROL_PORT_FRAME_TX_STATUS);
16900}
16901EXPORT_SYMBOL(cfg80211_control_port_tx_status);
16902
16903void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie,
16904 const u8 *buf, size_t len, bool ack, gfp_t gfp)
16905{
16906 nl80211_frame_tx_status(wdev, cookie, buf, len, ack, gfp,
16907 NL80211_CMD_FRAME_TX_STATUS);
16908}
947add36 16909EXPORT_SYMBOL(cfg80211_mgmt_tx_status);
026331c4 16910
6a671a50 16911static int __nl80211_rx_control_port(struct net_device *dev,
a948f713 16912 struct sk_buff *skb,
6a671a50
DK		 16913 bool unencrypted, gfp_t gfp)
16914{
16915 struct wireless_dev *wdev = dev->ieee80211_ptr;
16916 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
a948f713 16917 struct ethhdr *ehdr = eth_hdr(skb);
8d74a623 16918 const u8 *addr = ehdr->h_source;
a948f713 16919 u16 proto = be16_to_cpu(skb->protocol);
6a671a50
DK		 16920 struct sk_buff *msg;
16921 void *hdr;
a948f713
DK		 16922 struct nlattr *frame;
16923
6a671a50
DK		 16924 u32 nlportid = READ_ONCE(wdev->conn_owner_nlportid);
16925
16926 if (!nlportid)
16927 return -ENOENT;
16928
a948f713 16929 msg = nlmsg_new(100 + skb->len, gfp);
6a671a50
DK		 16930 if (!msg)
16931 return -ENOMEM;
16932
16933 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONTROL_PORT_FRAME);
16934 if (!hdr) {
16935 nlmsg_free(msg);
16936 return -ENOBUFS;
16937 }
16938
16939 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
16940 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
16941 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
16942 NL80211_ATTR_PAD) ||
8d74a623 16943 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
6a671a50
DK		 16944 nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, proto) ||
16945 (unencrypted && nla_put_flag(msg,
16946 NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)))
16947 goto nla_put_failure;
16948
a948f713
DK		 16949 frame = nla_reserve(msg, NL80211_ATTR_FRAME, skb->len);
16950 if (!frame)
16951 goto nla_put_failure;
16952
16953 skb_copy_bits(skb, 0, nla_data(frame), skb->len);
6a671a50
DK		 16954 genlmsg_end(msg, hdr);
16955
16956 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
16957
16958 nla_put_failure:
16959 nlmsg_free(msg);
16960 return -ENOBUFS;
16961}
16962
16963bool cfg80211_rx_control_port(struct net_device *dev,
a948f713 16964 struct sk_buff *skb, bool unencrypted)
6a671a50
DK		 16965{
16966 int ret;
16967
a948f713
DK		 16968 trace_cfg80211_rx_control_port(dev, skb, unencrypted);
16969 ret = __nl80211_rx_control_port(dev, skb, unencrypted, GFP_ATOMIC);
6a671a50
DK		 16970 trace_cfg80211_return_bool(ret == 0);
16971 return ret == 0;
16972}
16973EXPORT_SYMBOL(cfg80211_rx_control_port);
16974
5b97f49d
JB		 16975static struct sk_buff *cfg80211_prepare_cqm(struct net_device *dev,
16976 const char *mac, gfp_t gfp)
d6dc1a38 16977{
947add36 16978 struct wireless_dev *wdev = dev->ieee80211_ptr;
5b97f49d
JB		 16979 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
16980 struct sk_buff *msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
16981 void **cb;
947add36 16982
d6dc1a38 16983 if (!msg)
5b97f49d 16984 return NULL;
d6dc1a38 16985
5b97f49d
JB		 16986 cb = (void **)msg->cb;
16987
16988 cb[0] = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
16989 if (!cb[0]) {
d6dc1a38 16990 nlmsg_free(msg);
5b97f49d 16991 return NULL;
d6dc1a38
JO		 16992 }
16993
9360ffd1 16994 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
947add36 16995 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
9360ffd1 16996 goto nla_put_failure;
d6dc1a38 16997
5b97f49d 16998 if (mac && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
d6dc1a38
JO		 16999 goto nla_put_failure;
17000
ae0be8de 17001 cb[1] = nla_nest_start_noflag(msg, NL80211_ATTR_CQM);
5b97f49d 17002 if (!cb[1])
9360ffd1 17003 goto nla_put_failure;
d6dc1a38 17004
5b97f49d 17005 cb[2] = rdev;
d6dc1a38 17006
5b97f49d
JB		 17007 return msg;
17008 nla_put_failure:
17009 nlmsg_free(msg);
17010 return NULL;
17011}
17012
17013static void cfg80211_send_cqm(struct sk_buff *msg, gfp_t gfp)
17014{
17015 void **cb = (void **)msg->cb;
17016 struct cfg80211_registered_device *rdev = cb[2];
17017
17018 nla_nest_end(msg, cb[1]);
17019 genlmsg_end(msg, cb[0]);
17020
17021 memset(msg->cb, 0, sizeof(msg->cb));
d6dc1a38 17022
68eb5503 17023 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 17024 NL80211_MCGRP_MLME, gfp);
5b97f49d
JB		 17025}
17026
17027void cfg80211_cqm_rssi_notify(struct net_device *dev,
17028 enum nl80211_cqm_rssi_threshold_event rssi_event,
bee427b8 17029 s32 rssi_level, gfp_t gfp)
5b97f49d
JB		 17030{
17031 struct sk_buff *msg;
4a4b8169
AZ		 17032 struct wireless_dev *wdev = dev->ieee80211_ptr;
17033 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
5b97f49d 17034
bee427b8 17035 trace_cfg80211_cqm_rssi_notify(dev, rssi_event, rssi_level);
5b97f49d 17036
98f03342
JB		 17037 if (WARN_ON(rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW &&
17038 rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH))
17039 return;
17040
4a4b8169
AZ		 17041 if (wdev->cqm_config) {
17042 wdev->cqm_config->last_rssi_event_value = rssi_level;
17043
17044 cfg80211_cqm_rssi_update(rdev, dev);
17045
17046 if (rssi_level == 0)
17047 rssi_level = wdev->cqm_config->last_rssi_event_value;
17048 }
17049
5b97f49d
JB		 17050 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
17051 if (!msg)
17052 return;
17053
17054 if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT,
17055 rssi_event))
17056 goto nla_put_failure;
17057
bee427b8
AZ		 17058 if (rssi_level && nla_put_s32(msg, NL80211_ATTR_CQM_RSSI_LEVEL,
17059 rssi_level))
17060 goto nla_put_failure;
17061
5b97f49d
JB		 17062 cfg80211_send_cqm(msg, gfp);
17063
d6dc1a38
JO		 17064 return;
17065
17066 nla_put_failure:
d6dc1a38
JO		 17067 nlmsg_free(msg);
17068}
947add36 17069EXPORT_SYMBOL(cfg80211_cqm_rssi_notify);
d6dc1a38 17070
5b97f49d
JB		 17071void cfg80211_cqm_txe_notify(struct net_device *dev,
17072 const u8 *peer, u32 num_packets,
17073 u32 rate, u32 intvl, gfp_t gfp)
17074{
17075 struct sk_buff *msg;
17076
17077 msg = cfg80211_prepare_cqm(dev, peer, gfp);
17078 if (!msg)
17079 return;
17080
17081 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets))
17082 goto nla_put_failure;
17083
17084 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate))
17085 goto nla_put_failure;
17086
17087 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl))
17088 goto nla_put_failure;
17089
17090 cfg80211_send_cqm(msg, gfp);
17091 return;
17092
17093 nla_put_failure:
17094 nlmsg_free(msg);
17095}
17096EXPORT_SYMBOL(cfg80211_cqm_txe_notify);
17097
17098void cfg80211_cqm_pktloss_notify(struct net_device *dev,
17099 const u8 *peer, u32 num_packets, gfp_t gfp)
17100{
17101 struct sk_buff *msg;
17102
17103 trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets);
17104
17105 msg = cfg80211_prepare_cqm(dev, peer, gfp);
17106 if (!msg)
17107 return;
17108
17109 if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets))
17110 goto nla_put_failure;
17111
17112 cfg80211_send_cqm(msg, gfp);
17113 return;
17114
17115 nla_put_failure:
17116 nlmsg_free(msg);
17117}
17118EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify);
17119
98f03342
JB		 17120void cfg80211_cqm_beacon_loss_notify(struct net_device *dev, gfp_t gfp)
17121{
17122 struct sk_buff *msg;
17123
17124 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
17125 if (!msg)
17126 return;
17127
17128 if (nla_put_flag(msg, NL80211_ATTR_CQM_BEACON_LOSS_EVENT))
17129 goto nla_put_failure;
17130
17131 cfg80211_send_cqm(msg, gfp);
17132 return;
17133
17134 nla_put_failure:
17135 nlmsg_free(msg);
17136}
17137EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify);
17138
947add36
JB		 17139static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev,
17140 struct net_device *netdev, const u8 *bssid,
17141 const u8 *replay_ctr, gfp_t gfp)
e5497d76
JB		 17142{
17143 struct sk_buff *msg;
17144 struct nlattr *rekey_attr;
17145 void *hdr;
17146
58050fce 17147 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
e5497d76
JB		 17148 if (!msg)
17149 return;
17150
17151 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD);
17152 if (!hdr) {
17153 nlmsg_free(msg);
17154 return;
17155 }
17156
9360ffd1
DM		 17157 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17158 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
17159 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
17160 goto nla_put_failure;
e5497d76 17161
ae0be8de 17162 rekey_attr = nla_nest_start_noflag(msg, NL80211_ATTR_REKEY_DATA);
e5497d76
JB		 17163 if (!rekey_attr)
17164 goto nla_put_failure;
17165
9360ffd1
DM		 17166 if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR,
17167 NL80211_REPLAY_CTR_LEN, replay_ctr))
17168 goto nla_put_failure;
e5497d76
JB		 17169
17170 nla_nest_end(msg, rekey_attr);
17171
3b7b72ee 17172 genlmsg_end(msg, hdr);
e5497d76 17173
68eb5503 17174 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 17175 NL80211_MCGRP_MLME, gfp);
e5497d76
JB		 17176 return;
17177
17178 nla_put_failure:
e5497d76
JB		 17179 nlmsg_free(msg);
17180}
17181
947add36
JB		 17182void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid,
17183 const u8 *replay_ctr, gfp_t gfp)
17184{
17185 struct wireless_dev *wdev = dev->ieee80211_ptr;
17186 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 17187 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
947add36
JB		 17188
17189 trace_cfg80211_gtk_rekey_notify(dev, bssid);
17190 nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp);
17191}
17192EXPORT_SYMBOL(cfg80211_gtk_rekey_notify);
17193
17194static void
17195nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev,
17196 struct net_device *netdev, int index,
17197 const u8 *bssid, bool preauth, gfp_t gfp)
c9df56b4
JM		 17198{
17199 struct sk_buff *msg;
17200 struct nlattr *attr;
17201 void *hdr;
17202
58050fce 17203 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
c9df56b4
JM		 17204 if (!msg)
17205 return;
17206
17207 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE);
17208 if (!hdr) {
17209 nlmsg_free(msg);
17210 return;
17211 }
17212
9360ffd1
DM		 17213 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17214 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
17215 goto nla_put_failure;
c9df56b4 17216
ae0be8de 17217 attr = nla_nest_start_noflag(msg, NL80211_ATTR_PMKSA_CANDIDATE);
c9df56b4
JM		 17218 if (!attr)
17219 goto nla_put_failure;
17220
9360ffd1
DM		 17221 if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) ||
17222 nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) ||
17223 (preauth &&
17224 nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH)))
17225 goto nla_put_failure;
c9df56b4
JM		 17226
17227 nla_nest_end(msg, attr);
17228
3b7b72ee 17229 genlmsg_end(msg, hdr);
c9df56b4 17230
68eb5503 17231 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 17232 NL80211_MCGRP_MLME, gfp);
c9df56b4
JM		 17233 return;
17234
17235 nla_put_failure:
c9df56b4
JM		 17236 nlmsg_free(msg);
17237}
17238
947add36
JB		 17239void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index,
17240 const u8 *bssid, bool preauth, gfp_t gfp)
17241{
17242 struct wireless_dev *wdev = dev->ieee80211_ptr;
17243 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 17244 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
947add36
JB		 17245
17246 trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth);
17247 nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp);
17248}
17249EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify);
17250
17251static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev,
17252 struct net_device *netdev,
17253 struct cfg80211_chan_def *chandef,
f8d7552e
LC		 17254 gfp_t gfp,
17255 enum nl80211_commands notif,
669b8413 17256 u8 count, bool quiet)
5314526b
TP		 17257{
17258 struct sk_buff *msg;
17259 void *hdr;
17260
58050fce 17261 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
5314526b
TP		 17262 if (!msg)
17263 return;
17264
f8d7552e 17265 hdr = nl80211hdr_put(msg, 0, 0, 0, notif);
5314526b
TP		 17266 if (!hdr) {
17267 nlmsg_free(msg);
17268 return;
17269 }
17270
683b6d3b
JB		 17271 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
17272 goto nla_put_failure;
17273
17274 if (nl80211_send_chandef(msg, chandef))
7eab0f64 17275 goto nla_put_failure;
5314526b 17276
669b8413
JB		 17277 if (notif == NL80211_CMD_CH_SWITCH_STARTED_NOTIFY) {
17278 if (nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT, count))
f8d7552e 17279 goto nla_put_failure;
669b8413
JB		 17280 if (quiet &&
17281 nla_put_flag(msg, NL80211_ATTR_CH_SWITCH_BLOCK_TX))
f8d7552e 17282 goto nla_put_failure;
669b8413 17283 }
f8d7552e 17284
5314526b
TP		 17285 genlmsg_end(msg, hdr);
17286
68eb5503 17287 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 17288 NL80211_MCGRP_MLME, gfp);
5314526b
TP		 17289 return;
17290
17291 nla_put_failure:
5314526b
TP		 17292 nlmsg_free(msg);
17293}
17294
947add36
JB		 17295void cfg80211_ch_switch_notify(struct net_device *dev,
17296 struct cfg80211_chan_def *chandef)
84f10708 17297{
947add36
JB		 17298 struct wireless_dev *wdev = dev->ieee80211_ptr;
17299 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 17300 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
947add36 17301
e487eaeb 17302 ASSERT_WDEV_LOCK(wdev);
947add36 17303
e487eaeb 17304 trace_cfg80211_ch_switch_notify(dev, chandef);
947add36 17305
9e0e2961 17306 wdev->chandef = *chandef;
96f55f12 17307 wdev->preset_chandef = *chandef;
5dc8cdce
SM		 17308
17309 if (wdev->iftype == NL80211_IFTYPE_STATION &&
17310 !WARN_ON(!wdev->current_bss))
0afd425b 17311 cfg80211_update_assoc_bss_entry(wdev, chandef->chan);
5dc8cdce 17312
d34990bb
MV		 17313 cfg80211_sched_dfs_chan_update(rdev);
17314
f8d7552e 17315 nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL,
669b8413 17316 NL80211_CMD_CH_SWITCH_NOTIFY, 0, false);
947add36
JB		 17317}
17318EXPORT_SYMBOL(cfg80211_ch_switch_notify);
17319
f8d7552e
LC		 17320void cfg80211_ch_switch_started_notify(struct net_device *dev,
17321 struct cfg80211_chan_def *chandef,
669b8413 17322 u8 count, bool quiet)
f8d7552e
LC		 17323{
17324 struct wireless_dev *wdev = dev->ieee80211_ptr;
17325 struct wiphy *wiphy = wdev->wiphy;
17326 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17327
17328 trace_cfg80211_ch_switch_started_notify(dev, chandef);
17329
17330 nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL,
669b8413
JB		 17331 NL80211_CMD_CH_SWITCH_STARTED_NOTIFY,
17332 count, quiet);
f8d7552e
LC		 17333}
17334EXPORT_SYMBOL(cfg80211_ch_switch_started_notify);
17335
04f39047
SW		 17336void
17337nl80211_radar_notify(struct cfg80211_registered_device *rdev,
d2859df5 17338 const struct cfg80211_chan_def *chandef,
04f39047
SW		 17339 enum nl80211_radar_event event,
17340 struct net_device *netdev, gfp_t gfp)
17341{
17342 struct sk_buff *msg;
17343 void *hdr;
17344
17345 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17346 if (!msg)
17347 return;
17348
17349 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT);
17350 if (!hdr) {
17351 nlmsg_free(msg);
17352 return;
17353 }
17354
17355 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
17356 goto nla_put_failure;
17357
17358 /* NOP and radar events don't need a netdev parameter */
17359 if (netdev) {
17360 struct wireless_dev *wdev = netdev->ieee80211_ptr;
17361
17362 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
2dad624e
ND		 17363 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
17364 NL80211_ATTR_PAD))
04f39047
SW		 17365 goto nla_put_failure;
17366 }
17367
17368 if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event))
17369 goto nla_put_failure;
17370
17371 if (nl80211_send_chandef(msg, chandef))
17372 goto nla_put_failure;
17373
9c90a9f6 17374 genlmsg_end(msg, hdr);
04f39047 17375
68eb5503 17376 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 17377 NL80211_MCGRP_MLME, gfp);
04f39047
SW		 17378 return;
17379
17380 nla_put_failure:
04f39047
SW		 17381 nlmsg_free(msg);
17382}
17383
466b9936 17384void cfg80211_sta_opmode_change_notify(struct net_device *dev, const u8 *mac,
17385 struct sta_opmode_info *sta_opmode,
17386 gfp_t gfp)
17387{
17388 struct sk_buff *msg;
17389 struct wireless_dev *wdev = dev->ieee80211_ptr;
17390 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
17391 void *hdr;
17392
17393 if (WARN_ON(!mac))
17394 return;
17395
17396 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17397 if (!msg)
17398 return;
17399
17400 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STA_OPMODE_CHANGED);
17401 if (!hdr) {
17402 nlmsg_free(msg);
17403 return;
17404 }
17405
17406 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
17407 goto nla_put_failure;
17408
17409 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
17410 goto nla_put_failure;
17411
17412 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
17413 goto nla_put_failure;
17414
17415 if ((sta_opmode->changed & STA_OPMODE_SMPS_MODE_CHANGED) &&
17416 nla_put_u8(msg, NL80211_ATTR_SMPS_MODE, sta_opmode->smps_mode))
17417 goto nla_put_failure;
17418
17419 if ((sta_opmode->changed & STA_OPMODE_MAX_BW_CHANGED) &&
0016d320 17420 nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, sta_opmode->bw))
466b9936 17421 goto nla_put_failure;
17422
17423 if ((sta_opmode->changed & STA_OPMODE_N_SS_CHANGED) &&
17424 nla_put_u8(msg, NL80211_ATTR_NSS, sta_opmode->rx_nss))
17425 goto nla_put_failure;
17426
17427 genlmsg_end(msg, hdr);
17428
17429 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17430 NL80211_MCGRP_MLME, gfp);
17431
17432 return;
17433
17434nla_put_failure:
17435 nlmsg_free(msg);
17436}
17437EXPORT_SYMBOL(cfg80211_sta_opmode_change_notify);
17438
7f6cf311 17439void cfg80211_probe_status(struct net_device *dev, const u8 *addr,
c4b50cd3
VN		 17440 u64 cookie, bool acked, s32 ack_signal,
17441 bool is_valid_ack_signal, gfp_t gfp)
7f6cf311
JB		 17442{
17443 struct wireless_dev *wdev = dev->ieee80211_ptr;
f26cbf40 17444 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
7f6cf311
JB		 17445 struct sk_buff *msg;
17446 void *hdr;
7f6cf311 17447
4ee3e063
BL		 17448 trace_cfg80211_probe_status(dev, addr, cookie, acked);
17449
58050fce 17450 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
4ee3e063 17451
7f6cf311
JB		 17452 if (!msg)
17453 return;
17454
17455 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT);
17456 if (!hdr) {
17457 nlmsg_free(msg);
17458 return;
17459 }
17460
9360ffd1
DM		 17461 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17462 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
17463 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
2dad624e
ND		 17464 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
17465 NL80211_ATTR_PAD) ||
c4b50cd3
VN		 17466 (acked && nla_put_flag(msg, NL80211_ATTR_ACK)) ||
17467 (is_valid_ack_signal && nla_put_s32(msg, NL80211_ATTR_ACK_SIGNAL,
17468 ack_signal)))
9360ffd1 17469 goto nla_put_failure;
7f6cf311 17470
9c90a9f6 17471 genlmsg_end(msg, hdr);
7f6cf311 17472
68eb5503 17473 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 17474 NL80211_MCGRP_MLME, gfp);
7f6cf311
JB		 17475 return;
17476
17477 nla_put_failure:
7f6cf311
JB		 17478 nlmsg_free(msg);
17479}
17480EXPORT_SYMBOL(cfg80211_probe_status);
17481
e76fede8
TP		 17482void cfg80211_report_obss_beacon_khz(struct wiphy *wiphy, const u8 *frame,
17483 size_t len, int freq, int sig_dbm)
5e760230 17484{
f26cbf40 17485 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
5e760230
JB		 17486 struct sk_buff *msg;
17487 void *hdr;
37c73b5f 17488 struct cfg80211_beacon_registration *reg;
5e760230 17489
4ee3e063
BL		 17490 trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm);
17491
37c73b5f
BG		 17492 spin_lock_bh(&rdev->beacon_registrations_lock);
17493 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
17494 msg = nlmsg_new(len + 100, GFP_ATOMIC);
17495 if (!msg) {
17496 spin_unlock_bh(&rdev->beacon_registrations_lock);
17497 return;
17498 }
5e760230 17499
37c73b5f
BG		 17500 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
17501 if (!hdr)
17502 goto nla_put_failure;
5e760230 17503
37c73b5f
BG		 17504 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17505 (freq &&
942ba88b
TP		 17506 (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
17507 KHZ_TO_MHZ(freq)) ||
17508 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_OFFSET,
17509 freq % 1000))) ||
37c73b5f
BG		 17510 (sig_dbm &&
17511 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
17512 nla_put(msg, NL80211_ATTR_FRAME, len, frame))
17513 goto nla_put_failure;
5e760230 17514
37c73b5f 17515 genlmsg_end(msg, hdr);
5e760230 17516
37c73b5f
BG		 17517 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid);
17518 }
17519 spin_unlock_bh(&rdev->beacon_registrations_lock);
5e760230
JB		 17520 return;
17521
17522 nla_put_failure:
37c73b5f 17523 spin_unlock_bh(&rdev->beacon_registrations_lock);
5e760230
JB		 17524 nlmsg_free(msg);
17525}
e76fede8 17526EXPORT_SYMBOL(cfg80211_report_obss_beacon_khz);
5e760230 17527
cd8f7cb4 17528#ifdef CONFIG_PM
8cd4d456
LC		 17529static int cfg80211_net_detect_results(struct sk_buff *msg,
17530 struct cfg80211_wowlan_wakeup *wakeup)
17531{
17532 struct cfg80211_wowlan_nd_info *nd = wakeup->net_detect;
17533 struct nlattr *nl_results, *nl_match, *nl_freqs;
17534 int i, j;
17535
ae0be8de
MK		 17536 nl_results = nla_nest_start_noflag(msg,
17537 NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS);
8cd4d456
LC		 17538 if (!nl_results)
17539 return -EMSGSIZE;
17540
17541 for (i = 0; i < nd->n_matches; i++) {
17542 struct cfg80211_wowlan_nd_match *match = nd->matches[i];
17543
ae0be8de 17544 nl_match = nla_nest_start_noflag(msg, i);
8cd4d456
LC		 17545 if (!nl_match)
17546 break;
17547
17548 /* The SSID attribute is optional in nl80211, but for
17549 * simplicity reasons it's always present in the
17550 * cfg80211 structure. If a driver can't pass the
17551 * SSID, that needs to be changed. A zero length SSID
17552 * is still a valid SSID (wildcard), so it cannot be
17553 * used for this purpose.
17554 */
17555 if (nla_put(msg, NL80211_ATTR_SSID, match->ssid.ssid_len,
17556 match->ssid.ssid)) {
17557 nla_nest_cancel(msg, nl_match);
17558 goto out;
17559 }
17560
17561 if (match->n_channels) {
ae0be8de
MK		 17562 nl_freqs = nla_nest_start_noflag(msg,
17563 NL80211_ATTR_SCAN_FREQUENCIES);
8cd4d456
LC		 17564 if (!nl_freqs) {
17565 nla_nest_cancel(msg, nl_match);
17566 goto out;
17567 }
17568
17569 for (j = 0; j < match->n_channels; j++) {
5528fae8 17570 if (nla_put_u32(msg, j, match->channels[j])) {
8cd4d456
LC		 17571 nla_nest_cancel(msg, nl_freqs);
17572 nla_nest_cancel(msg, nl_match);
17573 goto out;
17574 }
17575 }
17576
17577 nla_nest_end(msg, nl_freqs);
17578 }
17579
17580 nla_nest_end(msg, nl_match);
17581 }
17582
17583out:
17584 nla_nest_end(msg, nl_results);
17585 return 0;
17586}
17587
cd8f7cb4
JB		 17588void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev,
17589 struct cfg80211_wowlan_wakeup *wakeup,
17590 gfp_t gfp)
17591{
f26cbf40 17592 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
cd8f7cb4
JB		 17593 struct sk_buff *msg;
17594 void *hdr;
9c90a9f6 17595 int size = 200;
cd8f7cb4
JB		 17596
17597 trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup);
17598
17599 if (wakeup)
17600 size += wakeup->packet_present_len;
17601
17602 msg = nlmsg_new(size, gfp);
17603 if (!msg)
17604 return;
17605
17606 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN);
17607 if (!hdr)
17608 goto free_msg;
17609
17610 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
2dad624e
ND		 17611 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
17612 NL80211_ATTR_PAD))
cd8f7cb4
JB		 17613 goto free_msg;
17614
17615 if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
17616 wdev->netdev->ifindex))
17617 goto free_msg;
17618
17619 if (wakeup) {
17620 struct nlattr *reasons;
17621
ae0be8de
MK		 17622 reasons = nla_nest_start_noflag(msg,
17623 NL80211_ATTR_WOWLAN_TRIGGERS);
7fa322c8
JB		 17624 if (!reasons)
17625 goto free_msg;
cd8f7cb4
JB		 17626
17627 if (wakeup->disconnect &&
17628 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT))
17629 goto free_msg;
17630 if (wakeup->magic_pkt &&
17631 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT))
17632 goto free_msg;
17633 if (wakeup->gtk_rekey_failure &&
17634 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE))
17635 goto free_msg;
17636 if (wakeup->eap_identity_req &&
17637 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST))
17638 goto free_msg;
17639 if (wakeup->four_way_handshake &&
17640 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE))
17641 goto free_msg;
17642 if (wakeup->rfkill_release &&
17643 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))
17644 goto free_msg;
17645
17646 if (wakeup->pattern_idx >= 0 &&
17647 nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
17648 wakeup->pattern_idx))
17649 goto free_msg;
17650
ae917c9f
JB		 17651 if (wakeup->tcp_match &&
17652 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH))
17653 goto free_msg;
2a0e047e 17654
ae917c9f
JB		 17655 if (wakeup->tcp_connlost &&
17656 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST))
17657 goto free_msg;
2a0e047e 17658
ae917c9f
JB		 17659 if (wakeup->tcp_nomoretokens &&
17660 nla_put_flag(msg,
17661 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS))
17662 goto free_msg;
2a0e047e 17663
cd8f7cb4
JB		 17664 if (wakeup->packet) {
17665 u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211;
17666 u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN;
17667
17668 if (!wakeup->packet_80211) {
17669 pkt_attr =
17670 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023;
17671 len_attr =
17672 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN;
17673 }
17674
17675 if (wakeup->packet_len &&
17676 nla_put_u32(msg, len_attr, wakeup->packet_len))
17677 goto free_msg;
17678
17679 if (nla_put(msg, pkt_attr, wakeup->packet_present_len,
17680 wakeup->packet))
17681 goto free_msg;
17682 }
17683
8cd4d456
LC		 17684 if (wakeup->net_detect &&
17685 cfg80211_net_detect_results(msg, wakeup))
17686 goto free_msg;
17687
cd8f7cb4
JB		 17688 nla_nest_end(msg, reasons);
17689 }
17690
9c90a9f6 17691 genlmsg_end(msg, hdr);
cd8f7cb4 17692
68eb5503 17693 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 17694 NL80211_MCGRP_MLME, gfp);
cd8f7cb4
JB		 17695 return;
17696
17697 free_msg:
17698 nlmsg_free(msg);
17699}
17700EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup);
17701#endif
17702
3475b094
JM		 17703void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer,
17704 enum nl80211_tdls_operation oper,
17705 u16 reason_code, gfp_t gfp)
17706{
17707 struct wireless_dev *wdev = dev->ieee80211_ptr;
f26cbf40 17708 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
3475b094
JM		 17709 struct sk_buff *msg;
17710 void *hdr;
3475b094
JM		 17711
17712 trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper,
17713 reason_code);
17714
17715 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17716 if (!msg)
17717 return;
17718
17719 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER);
17720 if (!hdr) {
17721 nlmsg_free(msg);
17722 return;
17723 }
17724
17725 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17726 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
17727 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) ||
17728 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) ||
17729 (reason_code > 0 &&
17730 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code)))
17731 goto nla_put_failure;
17732
9c90a9f6 17733 genlmsg_end(msg, hdr);
3475b094 17734
68eb5503 17735 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 17736 NL80211_MCGRP_MLME, gfp);
3475b094
JM		 17737 return;
17738
17739 nla_put_failure:
3475b094
JM		 17740 nlmsg_free(msg);
17741}
17742EXPORT_SYMBOL(cfg80211_tdls_oper_request);
17743
026331c4
JM		 17744static int nl80211_netlink_notify(struct notifier_block * nb,
17745 unsigned long state,
17746 void *_notify)
17747{
17748 struct netlink_notify *notify = _notify;
17749 struct cfg80211_registered_device *rdev;
17750 struct wireless_dev *wdev;
37c73b5f 17751 struct cfg80211_beacon_registration *reg, *tmp;
026331c4 17752
8f815cdd 17753 if (state != NETLINK_URELEASE || notify->protocol != NETLINK_GENERIC)
026331c4
JM		 17754 return NOTIFY_DONE;
17755
17756 rcu_read_lock();
17757
5e760230 17758 list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) {
ca986ad9 17759 struct cfg80211_sched_scan_request *sched_scan_req;
753aacfd 17760
ca986ad9
AVS		 17761 list_for_each_entry_rcu(sched_scan_req,
17762 &rdev->sched_scan_req_list,
17763 list) {
17764 if (sched_scan_req->owner_nlportid == notify->portid) {
17765 sched_scan_req->nl_owner_dead = true;
753aacfd 17766 schedule_work(&rdev->sched_scan_stop_wk);
ca986ad9 17767 }
753aacfd 17768 }
78f22b6a 17769
53873f13 17770 list_for_each_entry_rcu(wdev, &rdev->wiphy.wdev_list, list) {
15e47304 17771 cfg80211_mlme_unregister_socket(wdev, notify->portid);
37c73b5f 17772
ab81007a
JB		 17773 if (wdev->owner_nlportid == notify->portid) {
17774 wdev->nl_owner_dead = true;
17775 schedule_work(&rdev->destroy_work);
17776 } else if (wdev->conn_owner_nlportid == notify->portid) {
bd2522b1 17777 schedule_work(&wdev->disconnect_wk);
ab81007a 17778 }
9bb7e0f2
JB		 17779
17780 cfg80211_release_pmsr(wdev, notify->portid);
78f22b6a
JB		 17781 }
17782
37c73b5f
BG		 17783 spin_lock_bh(&rdev->beacon_registrations_lock);
17784 list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations,
17785 list) {
17786 if (reg->nlportid == notify->portid) {
17787 list_del(&reg->list);
17788 kfree(reg);
17789 break;
17790 }
17791 }
17792 spin_unlock_bh(&rdev->beacon_registrations_lock);
5e760230 17793 }
026331c4
JM		 17794
17795 rcu_read_unlock();
17796
05050753
I		 17797 /*
17798 * It is possible that the user space process that is controlling the
17799 * indoor setting disappeared, so notify the regulatory core.
17800 */
17801 regulatory_netlink_notify(notify->portid);
6784c7db 17802 return NOTIFY_OK;
026331c4
JM		 17803}
17804
17805static struct notifier_block nl80211_netlink_notifier = {
17806 .notifier_call = nl80211_netlink_notify,
17807};
17808
355199e0
JM		 17809void cfg80211_ft_event(struct net_device *netdev,
17810 struct cfg80211_ft_event_params *ft_event)
17811{
17812 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
f26cbf40 17813 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
355199e0
JM		 17814 struct sk_buff *msg;
17815 void *hdr;
355199e0
JM		 17816
17817 trace_cfg80211_ft_event(wiphy, netdev, ft_event);
17818
17819 if (!ft_event->target_ap)
17820 return;
17821
1039d081
DL		 17822 msg = nlmsg_new(100 + ft_event->ies_len + ft_event->ric_ies_len,
17823 GFP_KERNEL);
355199e0
JM		 17824 if (!msg)
17825 return;
17826
17827 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT);
ae917c9f
JB		 17828 if (!hdr)
17829 goto out;
355199e0 17830
ae917c9f
JB		 17831 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17832 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
17833 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap))
17834 goto out;
355199e0 17835
ae917c9f
JB		 17836 if (ft_event->ies &&
17837 nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies))
17838 goto out;
17839 if (ft_event->ric_ies &&
17840 nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len,
17841 ft_event->ric_ies))
17842 goto out;
355199e0 17843
9c90a9f6 17844 genlmsg_end(msg, hdr);
355199e0 17845
68eb5503 17846 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 17847 NL80211_MCGRP_MLME, GFP_KERNEL);
ae917c9f
JB		 17848 return;
17849 out:
17850 nlmsg_free(msg);
355199e0
JM		 17851}
17852EXPORT_SYMBOL(cfg80211_ft_event);
17853
5de17984
AS		 17854void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp)
17855{
17856 struct cfg80211_registered_device *rdev;
17857 struct sk_buff *msg;
17858 void *hdr;
17859 u32 nlportid;
17860
f26cbf40 17861 rdev = wiphy_to_rdev(wdev->wiphy);
5de17984
AS		 17862 if (!rdev->crit_proto_nlportid)
17863 return;
17864
17865 nlportid = rdev->crit_proto_nlportid;
17866 rdev->crit_proto_nlportid = 0;
17867
17868 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17869 if (!msg)
17870 return;
17871
17872 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP);
17873 if (!hdr)
17874 goto nla_put_failure;
17875
17876 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
2dad624e
ND		 17877 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
17878 NL80211_ATTR_PAD))
5de17984
AS		 17879 goto nla_put_failure;
17880
17881 genlmsg_end(msg, hdr);
17882
17883 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
17884 return;
17885
17886 nla_put_failure:
5de17984 17887 nlmsg_free(msg);
5de17984
AS		 17888}
17889EXPORT_SYMBOL(cfg80211_crit_proto_stopped);
17890
348baf0e
JB		 17891void nl80211_send_ap_stopped(struct wireless_dev *wdev)
17892{
17893 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 17894 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
348baf0e
JB		 17895 struct sk_buff *msg;
17896 void *hdr;
17897
17898 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
17899 if (!msg)
17900 return;
17901
17902 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STOP_AP);
17903 if (!hdr)
17904 goto out;
17905
17906 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17907 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex) ||
2dad624e
ND		 17908 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
17909 NL80211_ATTR_PAD))
348baf0e
JB		 17910 goto out;
17911
17912 genlmsg_end(msg, hdr);
17913
17914 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(wiphy), msg, 0,
17915 NL80211_MCGRP_MLME, GFP_KERNEL);
17916 return;
17917 out:
17918 nlmsg_free(msg);
17919}
17920
40cbfa90
SD		 17921int cfg80211_external_auth_request(struct net_device *dev,
17922 struct cfg80211_external_auth_params *params,
17923 gfp_t gfp)
17924{
17925 struct wireless_dev *wdev = dev->ieee80211_ptr;
17926 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
17927 struct sk_buff *msg;
17928 void *hdr;
17929
17930 if (!wdev->conn_owner_nlportid)
17931 return -EINVAL;
17932
17933 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17934 if (!msg)
17935 return -ENOMEM;
17936
17937 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_EXTERNAL_AUTH);
17938 if (!hdr)
17939 goto nla_put_failure;
17940
17941 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17942 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
17943 nla_put_u32(msg, NL80211_ATTR_AKM_SUITES, params->key_mgmt_suite) ||
17944 nla_put_u32(msg, NL80211_ATTR_EXTERNAL_AUTH_ACTION,
17945 params->action) ||
17946 nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, params->bssid) ||
17947 nla_put(msg, NL80211_ATTR_SSID, params->ssid.ssid_len,
17948 params->ssid.ssid))
17949 goto nla_put_failure;
17950
17951 genlmsg_end(msg, hdr);
17952 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
17953 wdev->conn_owner_nlportid);
17954 return 0;
17955
17956 nla_put_failure:
17957 nlmsg_free(msg);
17958 return -ENOBUFS;
17959}
17960EXPORT_SYMBOL(cfg80211_external_auth_request);
17961
cb74e977
SD		 17962void cfg80211_update_owe_info_event(struct net_device *netdev,
17963 struct cfg80211_update_owe_info *owe_info,
17964 gfp_t gfp)
17965{
17966 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
17967 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
17968 struct sk_buff *msg;
17969 void *hdr;
17970
17971 trace_cfg80211_update_owe_info_event(wiphy, netdev, owe_info);
17972
17973 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
17974 if (!msg)
17975 return;
17976
17977 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_UPDATE_OWE_INFO);
17978 if (!hdr)
17979 goto nla_put_failure;
17980
17981 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
17982 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
17983 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, owe_info->peer))
17984 goto nla_put_failure;
17985
17986 if (!owe_info->ie_len ||
17987 nla_put(msg, NL80211_ATTR_IE, owe_info->ie_len, owe_info->ie))
17988 goto nla_put_failure;
17989
17990 genlmsg_end(msg, hdr);
17991
17992 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
17993 NL80211_MCGRP_MLME, gfp);
17994 return;
17995
17996nla_put_failure:
17997 genlmsg_cancel(msg, hdr);
17998 nlmsg_free(msg);
17999}
18000EXPORT_SYMBOL(cfg80211_update_owe_info_event);
18001
55682965
JB		 18002/* initialisation/exit functions */
18003
56989f6d 18004int __init nl80211_init(void)
55682965 18005{
0d63cbb5 18006 int err;
55682965 18007
489111e5 18008 err = genl_register_family(&nl80211_fam);
55682965
JB		 18009 if (err)
18010 return err;
18011
026331c4
JM		 18012 err = netlink_register_notifier(&nl80211_netlink_notifier);
18013 if (err)
18014 goto err_out;
18015
55682965
JB		 18016 return 0;
18017 err_out:
18018 genl_unregister_family(&nl80211_fam);
18019 return err;
18020}
18021
18022void nl80211_exit(void)
18023{
026331c4 18024 netlink_unregister_notifier(&nl80211_netlink_notifier);
55682965
JB		 18025 genl_unregister_family(&nl80211_fam);
18026}
Linux 6.x block layer and io_uring tree(s)