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atm: remove deprecated use of pci api
[mirror_ubuntu-zesty-kernel.git] / net / wireless / nl80211.c
CommitLineData
55682965
JB		 1/*
2 * This is the new netlink-based wireless configuration interface.
3 *
026331c4 4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
2740f0cf 5 * Copyright 2013-2014 Intel Mobile Communications GmbH
55682965
JB		 6 */
7
8#include <linux/if.h>
9#include <linux/module.h>
10#include <linux/err.h>
5a0e3ad6 11#include <linux/slab.h>
55682965
JB		 12#include <linux/list.h>
13#include <linux/if_ether.h>
14#include <linux/ieee80211.h>
15#include <linux/nl80211.h>
16#include <linux/rtnetlink.h>
17#include <linux/netlink.h>
2a519311 18#include <linux/etherdevice.h>
463d0183 19#include <net/net_namespace.h>
55682965
JB		 20#include <net/genetlink.h>
21#include <net/cfg80211.h>
463d0183 22#include <net/sock.h>
2a0e047e 23#include <net/inet_connection_sock.h>
55682965
JB		 24#include "core.h"
25#include "nl80211.h"
b2e1b302 26#include "reg.h"
e35e4d28 27#include "rdev-ops.h"
55682965 28
5fb628e9
JM		 29static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
30 struct genl_info *info,
31 struct cfg80211_crypto_settings *settings,
32 int cipher_limit);
33
f84f771d 34static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb,
4c476991 35 struct genl_info *info);
f84f771d 36static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb,
4c476991
JB		 37 struct genl_info *info);
38
55682965
JB		 39/* the netlink family */
40static struct genl_family nl80211_fam = {
fb4e1568
MH		 41 .id = GENL_ID_GENERATE, /* don't bother with a hardcoded ID */
42 .name = NL80211_GENL_NAME, /* have users key off the name instead */
43 .hdrsize = 0, /* no private header */
44 .version = 1, /* no particular meaning now */
55682965 45 .maxattr = NL80211_ATTR_MAX,
463d0183 46 .netnsok = true,
4c476991
JB		 47 .pre_doit = nl80211_pre_doit,
48 .post_doit = nl80211_post_doit,
55682965
JB		 49};
50
2a94fe48
JB		 51/* multicast groups */
52enum nl80211_multicast_groups {
53 NL80211_MCGRP_CONFIG,
54 NL80211_MCGRP_SCAN,
55 NL80211_MCGRP_REGULATORY,
56 NL80211_MCGRP_MLME,
567ffc35 57 NL80211_MCGRP_VENDOR,
2a94fe48
JB		 58 NL80211_MCGRP_TESTMODE /* keep last - ifdef! */
59};
60
61static const struct genl_multicast_group nl80211_mcgrps[] = {
71b836ec
JB		 62 [NL80211_MCGRP_CONFIG] = { .name = NL80211_MULTICAST_GROUP_CONFIG },
63 [NL80211_MCGRP_SCAN] = { .name = NL80211_MULTICAST_GROUP_SCAN },
64 [NL80211_MCGRP_REGULATORY] = { .name = NL80211_MULTICAST_GROUP_REG },
65 [NL80211_MCGRP_MLME] = { .name = NL80211_MULTICAST_GROUP_MLME },
66 [NL80211_MCGRP_VENDOR] = { .name = NL80211_MULTICAST_GROUP_VENDOR },
2a94fe48 67#ifdef CONFIG_NL80211_TESTMODE
71b836ec 68 [NL80211_MCGRP_TESTMODE] = { .name = NL80211_MULTICAST_GROUP_TESTMODE }
2a94fe48
JB		 69#endif
70};
71
89a54e48
JB		 72/* returns ERR_PTR values */
73static struct wireless_dev *
74__cfg80211_wdev_from_attrs(struct net *netns, struct nlattr **attrs)
55682965 75{
89a54e48
JB		 76 struct cfg80211_registered_device *rdev;
77 struct wireless_dev *result = NULL;
78 bool have_ifidx = attrs[NL80211_ATTR_IFINDEX];
79 bool have_wdev_id = attrs[NL80211_ATTR_WDEV];
80 u64 wdev_id;
81 int wiphy_idx = -1;
82 int ifidx = -1;
55682965 83
5fe231e8 84 ASSERT_RTNL();
55682965 85
89a54e48
JB		 86 if (!have_ifidx && !have_wdev_id)
87 return ERR_PTR(-EINVAL);
55682965 88
89a54e48
JB		 89 if (have_ifidx)
90 ifidx = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);
91 if (have_wdev_id) {
92 wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]);
93 wiphy_idx = wdev_id >> 32;
55682965
JB		 94 }
95
89a54e48
JB		 96 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
97 struct wireless_dev *wdev;
98
99 if (wiphy_net(&rdev->wiphy) != netns)
100 continue;
101
102 if (have_wdev_id && rdev->wiphy_idx != wiphy_idx)
103 continue;
104
89a54e48
JB		 105 list_for_each_entry(wdev, &rdev->wdev_list, list) {
106 if (have_ifidx && wdev->netdev &&
107 wdev->netdev->ifindex == ifidx) {
108 result = wdev;
109 break;
110 }
111 if (have_wdev_id && wdev->identifier == (u32)wdev_id) {
112 result = wdev;
113 break;
114 }
115 }
89a54e48
JB		 116
117 if (result)
118 break;
119 }
120
121 if (result)
122 return result;
123 return ERR_PTR(-ENODEV);
55682965
JB		 124}
125
a9455408 126static struct cfg80211_registered_device *
878d9ec7 127__cfg80211_rdev_from_attrs(struct net *netns, struct nlattr **attrs)
a9455408 128{
7fee4778
JB		 129 struct cfg80211_registered_device *rdev = NULL, *tmp;
130 struct net_device *netdev;
a9455408 131
5fe231e8 132 ASSERT_RTNL();
a9455408 133
878d9ec7 134 if (!attrs[NL80211_ATTR_WIPHY] &&
89a54e48
JB		 135 !attrs[NL80211_ATTR_IFINDEX] &&
136 !attrs[NL80211_ATTR_WDEV])
7fee4778
JB		 137 return ERR_PTR(-EINVAL);
138
878d9ec7 139 if (attrs[NL80211_ATTR_WIPHY])
7fee4778 140 rdev = cfg80211_rdev_by_wiphy_idx(
878d9ec7 141 nla_get_u32(attrs[NL80211_ATTR_WIPHY]));
a9455408 142
89a54e48
JB		 143 if (attrs[NL80211_ATTR_WDEV]) {
144 u64 wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]);
145 struct wireless_dev *wdev;
146 bool found = false;
147
148 tmp = cfg80211_rdev_by_wiphy_idx(wdev_id >> 32);
149 if (tmp) {
150 /* make sure wdev exists */
89a54e48
JB		 151 list_for_each_entry(wdev, &tmp->wdev_list, list) {
152 if (wdev->identifier != (u32)wdev_id)
153 continue;
154 found = true;
155 break;
156 }
89a54e48
JB		 157
158 if (!found)
159 tmp = NULL;
160
161 if (rdev && tmp != rdev)
162 return ERR_PTR(-EINVAL);
163 rdev = tmp;
164 }
165 }
166
878d9ec7
JB		 167 if (attrs[NL80211_ATTR_IFINDEX]) {
168 int ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);
7f2b8562 169 netdev = __dev_get_by_index(netns, ifindex);
7fee4778
JB		 170 if (netdev) {
171 if (netdev->ieee80211_ptr)
f26cbf40
ZG		 172 tmp = wiphy_to_rdev(
173 netdev->ieee80211_ptr->wiphy);
7fee4778
JB		 174 else
175 tmp = NULL;
176
7fee4778
JB		 177 /* not wireless device -- return error */
178 if (!tmp)
179 return ERR_PTR(-EINVAL);
180
181 /* mismatch -- return error */
182 if (rdev && tmp != rdev)
183 return ERR_PTR(-EINVAL);
184
185 rdev = tmp;
a9455408 186 }
a9455408 187 }
a9455408 188
4f7eff10
JB		 189 if (!rdev)
190 return ERR_PTR(-ENODEV);
a9455408 191
4f7eff10
JB		 192 if (netns != wiphy_net(&rdev->wiphy))
193 return ERR_PTR(-ENODEV);
194
195 return rdev;
a9455408
JB		 196}
197
198/*
199 * This function returns a pointer to the driver
200 * that the genl_info item that is passed refers to.
a9455408
JB		 201 *
202 * The result of this can be a PTR_ERR and hence must
203 * be checked with IS_ERR() for errors.
204 */
205static struct cfg80211_registered_device *
4f7eff10 206cfg80211_get_dev_from_info(struct net *netns, struct genl_info *info)
a9455408 207{
5fe231e8 208 return __cfg80211_rdev_from_attrs(netns, info->attrs);
a9455408
JB		 209}
210
55682965 211/* policy for the attributes */
8cd4d456 212static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
55682965
JB		 213 [NL80211_ATTR_WIPHY] = { .type = NLA_U32 },
214 [NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING,
079e24ed 215 .len = 20-1 },
31888487 216 [NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED },
3d9d1d66 217
72bdcf34 218 [NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 },
094d05dc 219 [NL80211_ATTR_WIPHY_CHANNEL_TYPE] = { .type = NLA_U32 },
3d9d1d66
JB		 220 [NL80211_ATTR_CHANNEL_WIDTH] = { .type = NLA_U32 },
221 [NL80211_ATTR_CENTER_FREQ1] = { .type = NLA_U32 },
222 [NL80211_ATTR_CENTER_FREQ2] = { .type = NLA_U32 },
223
b9a5f8ca
JM		 224 [NL80211_ATTR_WIPHY_RETRY_SHORT] = { .type = NLA_U8 },
225 [NL80211_ATTR_WIPHY_RETRY_LONG] = { .type = NLA_U8 },
226 [NL80211_ATTR_WIPHY_FRAG_THRESHOLD] = { .type = NLA_U32 },
227 [NL80211_ATTR_WIPHY_RTS_THRESHOLD] = { .type = NLA_U32 },
81077e82 228 [NL80211_ATTR_WIPHY_COVERAGE_CLASS] = { .type = NLA_U8 },
3057dbfd 229 [NL80211_ATTR_WIPHY_DYN_ACK] = { .type = NLA_FLAG },
55682965
JB		 230
231 [NL80211_ATTR_IFTYPE] = { .type = NLA_U32 },
232 [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 },
233 [NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 },
41ade00f 234
e007b857
EP		 235 [NL80211_ATTR_MAC] = { .len = ETH_ALEN },
236 [NL80211_ATTR_PREV_BSSID] = { .len = ETH_ALEN },
41ade00f 237
b9454e83 238 [NL80211_ATTR_KEY] = { .type = NLA_NESTED, },
41ade00f
JB		 239 [NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY,
240 .len = WLAN_MAX_KEY_LEN },
241 [NL80211_ATTR_KEY_IDX] = { .type = NLA_U8 },
242 [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 },
243 [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG },
81962267 244 [NL80211_ATTR_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
e31b8213 245 [NL80211_ATTR_KEY_TYPE] = { .type = NLA_U32 },
ed1b6cc7
JB		 246
247 [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 },
248 [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 },
249 [NL80211_ATTR_BEACON_HEAD] = { .type = NLA_BINARY,
250 .len = IEEE80211_MAX_DATA_LEN },
251 [NL80211_ATTR_BEACON_TAIL] = { .type = NLA_BINARY,
252 .len = IEEE80211_MAX_DATA_LEN },
5727ef1b
JB		 253 [NL80211_ATTR_STA_AID] = { .type = NLA_U16 },
254 [NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED },
255 [NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 },
256 [NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY,
257 .len = NL80211_MAX_SUPP_RATES },
2ec600d6 258 [NL80211_ATTR_STA_PLINK_ACTION] = { .type = NLA_U8 },
5727ef1b 259 [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 },
0a9542ee 260 [NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ },
2ec600d6 261 [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY,
a4f606ea 262 .len = IEEE80211_MAX_MESH_ID_LEN },
2ec600d6 263 [NL80211_ATTR_MPATH_NEXT_HOP] = { .type = NLA_U32 },
9f1ba906 264
b2e1b302
LR		 265 [NL80211_ATTR_REG_ALPHA2] = { .type = NLA_STRING, .len = 2 },
266 [NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED },
267
9f1ba906
JM		 268 [NL80211_ATTR_BSS_CTS_PROT] = { .type = NLA_U8 },
269 [NL80211_ATTR_BSS_SHORT_PREAMBLE] = { .type = NLA_U8 },
270 [NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 },
90c97a04
JM		 271 [NL80211_ATTR_BSS_BASIC_RATES] = { .type = NLA_BINARY,
272 .len = NL80211_MAX_SUPP_RATES },
50b12f59 273 [NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 },
36aedc90 274
24bdd9f4 275 [NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED },
15d5dda6 276 [NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG },
93da9cc1 277
6c739419 278 [NL80211_ATTR_HT_CAPABILITY] = { .len = NL80211_HT_CAPABILITY_LEN },
9aed3cc1
JM		 279
280 [NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 },
281 [NL80211_ATTR_IE] = { .type = NLA_BINARY,
282 .len = IEEE80211_MAX_DATA_LEN },
2a519311
JB		 283 [NL80211_ATTR_SCAN_FREQUENCIES] = { .type = NLA_NESTED },
284 [NL80211_ATTR_SCAN_SSIDS] = { .type = NLA_NESTED },
636a5d36
JM		 285
286 [NL80211_ATTR_SSID] = { .type = NLA_BINARY,
287 .len = IEEE80211_MAX_SSID_LEN },
288 [NL80211_ATTR_AUTH_TYPE] = { .type = NLA_U32 },
289 [NL80211_ATTR_REASON_CODE] = { .type = NLA_U16 },
04a773ad 290 [NL80211_ATTR_FREQ_FIXED] = { .type = NLA_FLAG },
1965c853 291 [NL80211_ATTR_TIMED_OUT] = { .type = NLA_FLAG },
dc6382ce 292 [NL80211_ATTR_USE_MFP] = { .type = NLA_U32 },
eccb8e8f
JB		 293 [NL80211_ATTR_STA_FLAGS2] = {
294 .len = sizeof(struct nl80211_sta_flag_update),
295 },
3f77316c 296 [NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG },
c0692b8f
JB		 297 [NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 },
298 [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG },
b23aa676
SO		 299 [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG },
300 [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 },
301 [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 },
463d0183 302 [NL80211_ATTR_PID] = { .type = NLA_U32 },
8b787643 303 [NL80211_ATTR_4ADDR] = { .type = NLA_U8 },
67fbb16b
SO		 304 [NL80211_ATTR_PMKID] = { .type = NLA_BINARY,
305 .len = WLAN_PMKID_LEN },
9588bbd5
JM		 306 [NL80211_ATTR_DURATION] = { .type = NLA_U32 },
307 [NL80211_ATTR_COOKIE] = { .type = NLA_U64 },
13ae75b1 308 [NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED },
026331c4
JM		 309 [NL80211_ATTR_FRAME] = { .type = NLA_BINARY,
310 .len = IEEE80211_MAX_DATA_LEN },
311 [NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, },
ffb9eb3d 312 [NL80211_ATTR_PS_STATE] = { .type = NLA_U32 },
d6dc1a38 313 [NL80211_ATTR_CQM] = { .type = NLA_NESTED, },
d5cdfacb 314 [NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG },
fd8aaaf3 315 [NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 },
98d2ff8b
JO		 316 [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 },
317 [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 },
2e161f78 318 [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 },
afe0cbf8
BR		 319 [NL80211_ATTR_WIPHY_ANTENNA_TX] = { .type = NLA_U32 },
320 [NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 },
885a46d0 321 [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 },
f7ca38df 322 [NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG },
dbd2fd65 323 [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
ff1b6e69 324 [NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED },
9c3990aa 325 [NL80211_ATTR_STA_PLINK_STATE] = { .type = NLA_U8 },
bbe6ad6d 326 [NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 },
e5497d76 327 [NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED },
34850ab2 328 [NL80211_ATTR_SCAN_SUPP_RATES] = { .type = NLA_NESTED },
32e9de84 329 [NL80211_ATTR_HIDDEN_SSID] = { .type = NLA_U32 },
9946ecfb
JM		 330 [NL80211_ATTR_IE_PROBE_RESP] = { .type = NLA_BINARY,
331 .len = IEEE80211_MAX_DATA_LEN },
332 [NL80211_ATTR_IE_ASSOC_RESP] = { .type = NLA_BINARY,
333 .len = IEEE80211_MAX_DATA_LEN },
f4b34b55 334 [NL80211_ATTR_ROAM_SUPPORT] = { .type = NLA_FLAG },
a1f1c21c 335 [NL80211_ATTR_SCHED_SCAN_MATCH] = { .type = NLA_NESTED },
e9f935e3 336 [NL80211_ATTR_TX_NO_CCK_RATE] = { .type = NLA_FLAG },
109086ce
AN		 337 [NL80211_ATTR_TDLS_ACTION] = { .type = NLA_U8 },
338 [NL80211_ATTR_TDLS_DIALOG_TOKEN] = { .type = NLA_U8 },
339 [NL80211_ATTR_TDLS_OPERATION] = { .type = NLA_U8 },
340 [NL80211_ATTR_TDLS_SUPPORT] = { .type = NLA_FLAG },
341 [NL80211_ATTR_TDLS_EXTERNAL_SETUP] = { .type = NLA_FLAG },
31fa97c5 342 [NL80211_ATTR_TDLS_INITIATOR] = { .type = NLA_FLAG },
e247bd90 343 [NL80211_ATTR_DONT_WAIT_FOR_ACK] = { .type = NLA_FLAG },
00f740e1
AN		 344 [NL80211_ATTR_PROBE_RESP] = { .type = NLA_BINARY,
345 .len = IEEE80211_MAX_DATA_LEN },
8b60b078 346 [NL80211_ATTR_DFS_REGION] = { .type = NLA_U8 },
7e7c8926
BG		 347 [NL80211_ATTR_DISABLE_HT] = { .type = NLA_FLAG },
348 [NL80211_ATTR_HT_CAPABILITY_MASK] = {
349 .len = NL80211_HT_CAPABILITY_LEN
350 },
1d9d9213 351 [NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 },
1b658f11 352 [NL80211_ATTR_INACTIVITY_TIMEOUT] = { .type = NLA_U16 },
4486ea98 353 [NL80211_ATTR_BG_SCAN_PERIOD] = { .type = NLA_U16 },
89a54e48 354 [NL80211_ATTR_WDEV] = { .type = NLA_U64 },
57b5ce07 355 [NL80211_ATTR_USER_REG_HINT_TYPE] = { .type = NLA_U32 },
e39e5b5e 356 [NL80211_ATTR_SAE_DATA] = { .type = NLA_BINARY, },
f461be3e 357 [NL80211_ATTR_VHT_CAPABILITY] = { .len = NL80211_VHT_CAPABILITY_LEN },
ed473771 358 [NL80211_ATTR_SCAN_FLAGS] = { .type = NLA_U32 },
53cabad7
JB		 359 [NL80211_ATTR_P2P_CTWINDOW] = { .type = NLA_U8 },
360 [NL80211_ATTR_P2P_OPPPS] = { .type = NLA_U8 },
77765eaf
VT		 361 [NL80211_ATTR_ACL_POLICY] = {. type = NLA_U32 },
362 [NL80211_ATTR_MAC_ADDRS] = { .type = NLA_NESTED },
9d62a986
JM		 363 [NL80211_ATTR_STA_CAPABILITY] = { .type = NLA_U16 },
364 [NL80211_ATTR_STA_EXT_CAPABILITY] = { .type = NLA_BINARY, },
3713b4e3 365 [NL80211_ATTR_SPLIT_WIPHY_DUMP] = { .type = NLA_FLAG, },
ee2aca34
JB		 366 [NL80211_ATTR_DISABLE_VHT] = { .type = NLA_FLAG },
367 [NL80211_ATTR_VHT_CAPABILITY_MASK] = {
368 .len = NL80211_VHT_CAPABILITY_LEN,
369 },
355199e0
JM		 370 [NL80211_ATTR_MDID] = { .type = NLA_U16 },
371 [NL80211_ATTR_IE_RIC] = { .type = NLA_BINARY,
372 .len = IEEE80211_MAX_DATA_LEN },
5e4b6f56 373 [NL80211_ATTR_PEER_AID] = { .type = NLA_U16 },
16ef1fe2
SW		 374 [NL80211_ATTR_CH_SWITCH_COUNT] = { .type = NLA_U32 },
375 [NL80211_ATTR_CH_SWITCH_BLOCK_TX] = { .type = NLA_FLAG },
376 [NL80211_ATTR_CSA_IES] = { .type = NLA_NESTED },
9a774c78
AO		 377 [NL80211_ATTR_CSA_C_OFF_BEACON] = { .type = NLA_BINARY },
378 [NL80211_ATTR_CSA_C_OFF_PRESP] = { .type = NLA_BINARY },
c01fc9ad
SD		 379 [NL80211_ATTR_STA_SUPPORTED_CHANNELS] = { .type = NLA_BINARY },
380 [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES] = { .type = NLA_BINARY },
5336fa88 381 [NL80211_ATTR_HANDLE_DFS] = { .type = NLA_FLAG },
60f4a7b1 382 [NL80211_ATTR_OPMODE_NOTIF] = { .type = NLA_U8 },
ad7e718c
JB		 383 [NL80211_ATTR_VENDOR_ID] = { .type = NLA_U32 },
384 [NL80211_ATTR_VENDOR_SUBCMD] = { .type = NLA_U32 },
385 [NL80211_ATTR_VENDOR_DATA] = { .type = NLA_BINARY },
fa9ffc74
KP		 386 [NL80211_ATTR_QOS_MAP] = { .type = NLA_BINARY,
387 .len = IEEE80211_QOS_MAP_LEN_MAX },
1df4a510
JM		 388 [NL80211_ATTR_MAC_HINT] = { .len = ETH_ALEN },
389 [NL80211_ATTR_WIPHY_FREQ_HINT] = { .type = NLA_U32 },
df942e7b 390 [NL80211_ATTR_TDLS_PEER_CAPABILITY] = { .type = NLA_U32 },
18e5ca65 391 [NL80211_ATTR_SOCKET_OWNER] = { .type = NLA_FLAG },
34d22ce2 392 [NL80211_ATTR_CSA_C_OFFSETS_TX] = { .type = NLA_BINARY },
bab5ab7d 393 [NL80211_ATTR_USE_RRM] = { .type = NLA_FLAG },
960d01ac
JB		 394 [NL80211_ATTR_TSID] = { .type = NLA_U8 },
395 [NL80211_ATTR_USER_PRIO] = { .type = NLA_U8 },
396 [NL80211_ATTR_ADMITTED_TIME] = { .type = NLA_U16 },
18998c38 397 [NL80211_ATTR_SMPS_MODE] = { .type = NLA_U8 },
ad2b26ab 398 [NL80211_ATTR_MAC_MASK] = { .len = ETH_ALEN },
1bdd716c 399 [NL80211_ATTR_WIPHY_SELF_MANAGED_REG] = { .type = NLA_FLAG },
55682965
JB		 400};
401
e31b8213 402/* policy for the key attributes */
b54452b0 403static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = {
fffd0934 404 [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN },
b9454e83
JB		 405 [NL80211_KEY_IDX] = { .type = NLA_U8 },
406 [NL80211_KEY_CIPHER] = { .type = NLA_U32 },
81962267 407 [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
b9454e83
JB		 408 [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG },
409 [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG },
e31b8213 410 [NL80211_KEY_TYPE] = { .type = NLA_U32 },
dbd2fd65
JB		 411 [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
412};
413
414/* policy for the key default flags */
415static const struct nla_policy
416nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = {
417 [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG },
418 [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG },
b9454e83
JB		 419};
420
ff1b6e69
JB		 421/* policy for WoWLAN attributes */
422static const struct nla_policy
423nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = {
424 [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG },
425 [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG },
426 [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG },
427 [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED },
77dbbb13
JB		 428 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG },
429 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG },
430 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG },
431 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG },
2a0e047e 432 [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED },
8cd4d456 433 [NL80211_WOWLAN_TRIG_NET_DETECT] = { .type = NLA_NESTED },
2a0e047e
JB		 434};
435
436static const struct nla_policy
437nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = {
438 [NL80211_WOWLAN_TCP_SRC_IPV4] = { .type = NLA_U32 },
439 [NL80211_WOWLAN_TCP_DST_IPV4] = { .type = NLA_U32 },
440 [NL80211_WOWLAN_TCP_DST_MAC] = { .len = ETH_ALEN },
441 [NL80211_WOWLAN_TCP_SRC_PORT] = { .type = NLA_U16 },
442 [NL80211_WOWLAN_TCP_DST_PORT] = { .type = NLA_U16 },
443 [NL80211_WOWLAN_TCP_DATA_PAYLOAD] = { .len = 1 },
444 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ] = {
445 .len = sizeof(struct nl80211_wowlan_tcp_data_seq)
446 },
447 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN] = {
448 .len = sizeof(struct nl80211_wowlan_tcp_data_token)
449 },
450 [NL80211_WOWLAN_TCP_DATA_INTERVAL] = { .type = NLA_U32 },
451 [NL80211_WOWLAN_TCP_WAKE_PAYLOAD] = { .len = 1 },
452 [NL80211_WOWLAN_TCP_WAKE_MASK] = { .len = 1 },
ff1b6e69
JB		 453};
454
be29b99a
AK		 455/* policy for coalesce rule attributes */
456static const struct nla_policy
457nl80211_coalesce_policy[NUM_NL80211_ATTR_COALESCE_RULE] = {
458 [NL80211_ATTR_COALESCE_RULE_DELAY] = { .type = NLA_U32 },
459 [NL80211_ATTR_COALESCE_RULE_CONDITION] = { .type = NLA_U32 },
460 [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN] = { .type = NLA_NESTED },
461};
462
e5497d76
JB		 463/* policy for GTK rekey offload attributes */
464static const struct nla_policy
465nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = {
466 [NL80211_REKEY_DATA_KEK] = { .len = NL80211_KEK_LEN },
467 [NL80211_REKEY_DATA_KCK] = { .len = NL80211_KCK_LEN },
468 [NL80211_REKEY_DATA_REPLAY_CTR] = { .len = NL80211_REPLAY_CTR_LEN },
469};
470
a1f1c21c
LC		 471static const struct nla_policy
472nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = {
4a4ab0d7 473 [NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY,
a1f1c21c 474 .len = IEEE80211_MAX_SSID_LEN },
88e920b4 475 [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 },
a1f1c21c
LC		 476};
477
97990a06
JB		 478static int nl80211_prepare_wdev_dump(struct sk_buff *skb,
479 struct netlink_callback *cb,
480 struct cfg80211_registered_device **rdev,
481 struct wireless_dev **wdev)
a043897a 482{
97990a06 483 int err;
a043897a 484
97990a06 485 rtnl_lock();
a043897a 486
97990a06
JB		 487 if (!cb->args[0]) {
488 err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
489 nl80211_fam.attrbuf, nl80211_fam.maxattr,
490 nl80211_policy);
491 if (err)
492 goto out_unlock;
67748893 493
97990a06
JB		 494 *wdev = __cfg80211_wdev_from_attrs(sock_net(skb->sk),
495 nl80211_fam.attrbuf);
496 if (IS_ERR(*wdev)) {
497 err = PTR_ERR(*wdev);
498 goto out_unlock;
499 }
f26cbf40 500 *rdev = wiphy_to_rdev((*wdev)->wiphy);
c319d50b
JB		 501 /* 0 is the first index - add 1 to parse only once */
502 cb->args[0] = (*rdev)->wiphy_idx + 1;
97990a06
JB		 503 cb->args[1] = (*wdev)->identifier;
504 } else {
c319d50b
JB		 505 /* subtract the 1 again here */
506 struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
97990a06 507 struct wireless_dev *tmp;
67748893 508
97990a06
JB		 509 if (!wiphy) {
510 err = -ENODEV;
511 goto out_unlock;
512 }
f26cbf40 513 *rdev = wiphy_to_rdev(wiphy);
97990a06 514 *wdev = NULL;
67748893 515
97990a06
JB		 516 list_for_each_entry(tmp, &(*rdev)->wdev_list, list) {
517 if (tmp->identifier == cb->args[1]) {
518 *wdev = tmp;
519 break;
520 }
521 }
67748893 522
97990a06
JB		 523 if (!*wdev) {
524 err = -ENODEV;
525 goto out_unlock;
526 }
67748893
JB		 527 }
528
67748893 529 return 0;
97990a06 530 out_unlock:
67748893
JB		 531 rtnl_unlock();
532 return err;
533}
534
97990a06 535static void nl80211_finish_wdev_dump(struct cfg80211_registered_device *rdev)
67748893 536{
67748893
JB		 537 rtnl_unlock();
538}
539
f4a11bb0
JB		 540/* IE validation */
541static bool is_valid_ie_attr(const struct nlattr *attr)
542{
543 const u8 *pos;
544 int len;
545
546 if (!attr)
547 return true;
548
549 pos = nla_data(attr);
550 len = nla_len(attr);
551
552 while (len) {
553 u8 elemlen;
554
555 if (len < 2)
556 return false;
557 len -= 2;
558
559 elemlen = pos[1];
560 if (elemlen > len)
561 return false;
562
563 len -= elemlen;
564 pos += 2 + elemlen;
565 }
566
567 return true;
568}
569
55682965 570/* message building helper */
15e47304 571static inline void *nl80211hdr_put(struct sk_buff *skb, u32 portid, u32 seq,
55682965
JB		 572 int flags, u8 cmd)
573{
574 /* since there is no private header just add the generic one */
15e47304 575 return genlmsg_put(skb, portid, seq, &nl80211_fam, flags, cmd);
55682965
JB		 576}
577
5dab3b8a 578static int nl80211_msg_put_channel(struct sk_buff *msg,
cdc89b97
JB		 579 struct ieee80211_channel *chan,
580 bool large)
5dab3b8a 581{
ea077c1c
RL		 582 /* Some channels must be completely excluded from the
583 * list to protect old user-space tools from breaking
584 */
585 if (!large && chan->flags &
586 (IEEE80211_CHAN_NO_10MHZ | IEEE80211_CHAN_NO_20MHZ))
587 return 0;
588
9360ffd1
DM		 589 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_FREQ,
590 chan->center_freq))
591 goto nla_put_failure;
5dab3b8a 592
9360ffd1
DM		 593 if ((chan->flags & IEEE80211_CHAN_DISABLED) &&
594 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DISABLED))
595 goto nla_put_failure;
8fe02e16
LR		 596 if (chan->flags & IEEE80211_CHAN_NO_IR) {
597 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IR))
598 goto nla_put_failure;
599 if (nla_put_flag(msg, __NL80211_FREQUENCY_ATTR_NO_IBSS))
600 goto nla_put_failure;
601 }
cdc89b97
JB		 602 if (chan->flags & IEEE80211_CHAN_RADAR) {
603 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR))
604 goto nla_put_failure;
605 if (large) {
606 u32 time;
607
608 time = elapsed_jiffies_msecs(chan->dfs_state_entered);
609
610 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_STATE,
611 chan->dfs_state))
612 goto nla_put_failure;
613 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_TIME,
614 time))
615 goto nla_put_failure;
089027e5
JD		 616 if (nla_put_u32(msg,
617 NL80211_FREQUENCY_ATTR_DFS_CAC_TIME,
618 chan->dfs_cac_ms))
619 goto nla_put_failure;
cdc89b97
JB		 620 }
621 }
5dab3b8a 622
fe1abafd
JB		 623 if (large) {
624 if ((chan->flags & IEEE80211_CHAN_NO_HT40MINUS) &&
625 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS))
626 goto nla_put_failure;
627 if ((chan->flags & IEEE80211_CHAN_NO_HT40PLUS) &&
628 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS))
629 goto nla_put_failure;
630 if ((chan->flags & IEEE80211_CHAN_NO_80MHZ) &&
631 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_80MHZ))
632 goto nla_put_failure;
633 if ((chan->flags & IEEE80211_CHAN_NO_160MHZ) &&
634 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_160MHZ))
635 goto nla_put_failure;
570dbde1
DS		 636 if ((chan->flags & IEEE80211_CHAN_INDOOR_ONLY) &&
637 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_INDOOR_ONLY))
638 goto nla_put_failure;
639 if ((chan->flags & IEEE80211_CHAN_GO_CONCURRENT) &&
640 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_GO_CONCURRENT))
641 goto nla_put_failure;
ea077c1c
RL		 642 if ((chan->flags & IEEE80211_CHAN_NO_20MHZ) &&
643 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_20MHZ))
644 goto nla_put_failure;
645 if ((chan->flags & IEEE80211_CHAN_NO_10MHZ) &&
646 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_10MHZ))
647 goto nla_put_failure;
fe1abafd
JB		 648 }
649
9360ffd1
DM		 650 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER,
651 DBM_TO_MBM(chan->max_power)))
652 goto nla_put_failure;
5dab3b8a
LR		 653
654 return 0;
655
656 nla_put_failure:
657 return -ENOBUFS;
658}
659
55682965
JB		 660/* netlink command implementations */
661
b9454e83
JB		 662struct key_parse {
663 struct key_params p;
664 int idx;
e31b8213 665 int type;
b9454e83 666 bool def, defmgmt;
dbd2fd65 667 bool def_uni, def_multi;
b9454e83
JB		 668};
669
670static int nl80211_parse_key_new(struct nlattr *key, struct key_parse *k)
671{
672 struct nlattr *tb[NL80211_KEY_MAX + 1];
673 int err = nla_parse_nested(tb, NL80211_KEY_MAX, key,
674 nl80211_key_policy);
675 if (err)
676 return err;
677
678 k->def = !!tb[NL80211_KEY_DEFAULT];
679 k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT];
680
dbd2fd65
JB		 681 if (k->def) {
682 k->def_uni = true;
683 k->def_multi = true;
684 }
685 if (k->defmgmt)
686 k->def_multi = true;
687
b9454e83
JB		 688 if (tb[NL80211_KEY_IDX])
689 k->idx = nla_get_u8(tb[NL80211_KEY_IDX]);
690
691 if (tb[NL80211_KEY_DATA]) {
692 k->p.key = nla_data(tb[NL80211_KEY_DATA]);
693 k->p.key_len = nla_len(tb[NL80211_KEY_DATA]);
694 }
695
696 if (tb[NL80211_KEY_SEQ]) {
697 k->p.seq = nla_data(tb[NL80211_KEY_SEQ]);
698 k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]);
699 }
700
701 if (tb[NL80211_KEY_CIPHER])
702 k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]);
703
e31b8213
JB		 704 if (tb[NL80211_KEY_TYPE]) {
705 k->type = nla_get_u32(tb[NL80211_KEY_TYPE]);
706 if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES)
707 return -EINVAL;
708 }
709
dbd2fd65
JB		 710 if (tb[NL80211_KEY_DEFAULT_TYPES]) {
711 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
2da8f419
JB		 712 err = nla_parse_nested(kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1,
713 tb[NL80211_KEY_DEFAULT_TYPES],
714 nl80211_key_default_policy);
dbd2fd65
JB		 715 if (err)
716 return err;
717
718 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
719 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
720 }
721
b9454e83
JB		 722 return 0;
723}
724
725static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k)
726{
727 if (info->attrs[NL80211_ATTR_KEY_DATA]) {
728 k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]);
729 k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]);
730 }
731
732 if (info->attrs[NL80211_ATTR_KEY_SEQ]) {
733 k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]);
734 k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]);
735 }
736
737 if (info->attrs[NL80211_ATTR_KEY_IDX])
738 k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
739
740 if (info->attrs[NL80211_ATTR_KEY_CIPHER])
741 k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]);
742
743 k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT];
744 k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT];
745
dbd2fd65
JB		 746 if (k->def) {
747 k->def_uni = true;
748 k->def_multi = true;
749 }
750 if (k->defmgmt)
751 k->def_multi = true;
752
e31b8213
JB		 753 if (info->attrs[NL80211_ATTR_KEY_TYPE]) {
754 k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
755 if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES)
756 return -EINVAL;
757 }
758
dbd2fd65
JB		 759 if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) {
760 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
761 int err = nla_parse_nested(
762 kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1,
763 info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES],
764 nl80211_key_default_policy);
765 if (err)
766 return err;
767
768 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
769 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
770 }
771
b9454e83
JB		 772 return 0;
773}
774
775static int nl80211_parse_key(struct genl_info *info, struct key_parse *k)
776{
777 int err;
778
779 memset(k, 0, sizeof(*k));
780 k->idx = -1;
e31b8213 781 k->type = -1;
b9454e83
JB		 782
783 if (info->attrs[NL80211_ATTR_KEY])
784 err = nl80211_parse_key_new(info->attrs[NL80211_ATTR_KEY], k);
785 else
786 err = nl80211_parse_key_old(info, k);
787
788 if (err)
789 return err;
790
791 if (k->def && k->defmgmt)
792 return -EINVAL;
793
dbd2fd65
JB		 794 if (k->defmgmt) {
795 if (k->def_uni || !k->def_multi)
796 return -EINVAL;
797 }
798
b9454e83
JB		 799 if (k->idx != -1) {
800 if (k->defmgmt) {
801 if (k->idx < 4 || k->idx > 5)
802 return -EINVAL;
803 } else if (k->def) {
804 if (k->idx < 0 || k->idx > 3)
805 return -EINVAL;
806 } else {
807 if (k->idx < 0 || k->idx > 5)
808 return -EINVAL;
809 }
810 }
811
812 return 0;
813}
814
fffd0934
JB		 815static struct cfg80211_cached_keys *
816nl80211_parse_connkeys(struct cfg80211_registered_device *rdev,
de7044ee 817 struct nlattr *keys, bool *no_ht)
fffd0934
JB		 818{
819 struct key_parse parse;
820 struct nlattr *key;
821 struct cfg80211_cached_keys *result;
822 int rem, err, def = 0;
823
824 result = kzalloc(sizeof(*result), GFP_KERNEL);
825 if (!result)
826 return ERR_PTR(-ENOMEM);
827
828 result->def = -1;
829 result->defmgmt = -1;
830
831 nla_for_each_nested(key, keys, rem) {
832 memset(&parse, 0, sizeof(parse));
833 parse.idx = -1;
834
835 err = nl80211_parse_key_new(key, &parse);
836 if (err)
837 goto error;
838 err = -EINVAL;
839 if (!parse.p.key)
840 goto error;
841 if (parse.idx < 0 || parse.idx > 4)
842 goto error;
843 if (parse.def) {
844 if (def)
845 goto error;
846 def = 1;
847 result->def = parse.idx;
dbd2fd65
JB		 848 if (!parse.def_uni || !parse.def_multi)
849 goto error;
fffd0934
JB		 850 } else if (parse.defmgmt)
851 goto error;
852 err = cfg80211_validate_key_settings(rdev, &parse.p,
e31b8213 853 parse.idx, false, NULL);
fffd0934
JB		 854 if (err)
855 goto error;
856 result->params[parse.idx].cipher = parse.p.cipher;
857 result->params[parse.idx].key_len = parse.p.key_len;
858 result->params[parse.idx].key = result->data[parse.idx];
859 memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len);
de7044ee
SM		 860
861 if (parse.p.cipher == WLAN_CIPHER_SUITE_WEP40 ||
862 parse.p.cipher == WLAN_CIPHER_SUITE_WEP104) {
863 if (no_ht)
864 *no_ht = true;
865 }
fffd0934
JB		 866 }
867
868 return result;
869 error:
870 kfree(result);
871 return ERR_PTR(err);
872}
873
874static int nl80211_key_allowed(struct wireless_dev *wdev)
875{
876 ASSERT_WDEV_LOCK(wdev);
877
fffd0934
JB		 878 switch (wdev->iftype) {
879 case NL80211_IFTYPE_AP:
880 case NL80211_IFTYPE_AP_VLAN:
074ac8df 881 case NL80211_IFTYPE_P2P_GO:
ff973af7 882 case NL80211_IFTYPE_MESH_POINT:
fffd0934
JB		 883 break;
884 case NL80211_IFTYPE_ADHOC:
fffd0934 885 case NL80211_IFTYPE_STATION:
074ac8df 886 case NL80211_IFTYPE_P2P_CLIENT:
ceca7b71 887 if (!wdev->current_bss)
fffd0934
JB		 888 return -ENOLINK;
889 break;
de4fcbad 890 case NL80211_IFTYPE_UNSPECIFIED:
6e0bd6c3 891 case NL80211_IFTYPE_OCB:
de4fcbad
JB		 892 case NL80211_IFTYPE_MONITOR:
893 case NL80211_IFTYPE_P2P_DEVICE:
894 case NL80211_IFTYPE_WDS:
895 case NUM_NL80211_IFTYPES:
fffd0934
JB		 896 return -EINVAL;
897 }
898
899 return 0;
900}
901
664834de
JM		 902static struct ieee80211_channel *nl80211_get_valid_chan(struct wiphy *wiphy,
903 struct nlattr *tb)
904{
905 struct ieee80211_channel *chan;
906
907 if (tb == NULL)
908 return NULL;
909 chan = ieee80211_get_channel(wiphy, nla_get_u32(tb));
910 if (!chan || chan->flags & IEEE80211_CHAN_DISABLED)
911 return NULL;
912 return chan;
913}
914
7527a782
JB		 915static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes)
916{
917 struct nlattr *nl_modes = nla_nest_start(msg, attr);
918 int i;
919
920 if (!nl_modes)
921 goto nla_put_failure;
922
923 i = 0;
924 while (ifmodes) {
9360ffd1
DM		 925 if ((ifmodes & 1) && nla_put_flag(msg, i))
926 goto nla_put_failure;
7527a782
JB		 927 ifmodes >>= 1;
928 i++;
929 }
930
931 nla_nest_end(msg, nl_modes);
932 return 0;
933
934nla_put_failure:
935 return -ENOBUFS;
936}
937
938static int nl80211_put_iface_combinations(struct wiphy *wiphy,
cdc89b97
JB		 939 struct sk_buff *msg,
940 bool large)
7527a782
JB		 941{
942 struct nlattr *nl_combis;
943 int i, j;
944
945 nl_combis = nla_nest_start(msg,
946 NL80211_ATTR_INTERFACE_COMBINATIONS);
947 if (!nl_combis)
948 goto nla_put_failure;
949
950 for (i = 0; i < wiphy->n_iface_combinations; i++) {
951 const struct ieee80211_iface_combination *c;
952 struct nlattr *nl_combi, *nl_limits;
953
954 c = &wiphy->iface_combinations[i];
955
956 nl_combi = nla_nest_start(msg, i + 1);
957 if (!nl_combi)
958 goto nla_put_failure;
959
960 nl_limits = nla_nest_start(msg, NL80211_IFACE_COMB_LIMITS);
961 if (!nl_limits)
962 goto nla_put_failure;
963
964 for (j = 0; j < c->n_limits; j++) {
965 struct nlattr *nl_limit;
966
967 nl_limit = nla_nest_start(msg, j + 1);
968 if (!nl_limit)
969 goto nla_put_failure;
9360ffd1
DM		 970 if (nla_put_u32(msg, NL80211_IFACE_LIMIT_MAX,
971 c->limits[j].max))
972 goto nla_put_failure;
7527a782
JB		 973 if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES,
974 c->limits[j].types))
975 goto nla_put_failure;
976 nla_nest_end(msg, nl_limit);
977 }
978
979 nla_nest_end(msg, nl_limits);
980
9360ffd1
DM		 981 if (c->beacon_int_infra_match &&
982 nla_put_flag(msg, NL80211_IFACE_COMB_STA_AP_BI_MATCH))
983 goto nla_put_failure;
984 if (nla_put_u32(msg, NL80211_IFACE_COMB_NUM_CHANNELS,
985 c->num_different_channels) ||
986 nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM,
987 c->max_interfaces))
988 goto nla_put_failure;
cdc89b97 989 if (large &&
8c48b50a
FF		 990 (nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS,
991 c->radar_detect_widths) ||
992 nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS,
993 c->radar_detect_regions)))
cdc89b97 994 goto nla_put_failure;
7527a782
JB		 995
996 nla_nest_end(msg, nl_combi);
997 }
998
999 nla_nest_end(msg, nl_combis);
1000
1001 return 0;
1002nla_put_failure:
1003 return -ENOBUFS;
1004}
1005
3713b4e3 1006#ifdef CONFIG_PM
b56cf720
JB		 1007static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev,
1008 struct sk_buff *msg)
1009{
964dc9e2 1010 const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan->tcp;
b56cf720
JB		 1011 struct nlattr *nl_tcp;
1012
1013 if (!tcp)
1014 return 0;
1015
1016 nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION);
1017 if (!nl_tcp)
1018 return -ENOBUFS;
1019
1020 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
1021 tcp->data_payload_max))
1022 return -ENOBUFS;
1023
1024 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
1025 tcp->data_payload_max))
1026 return -ENOBUFS;
1027
1028 if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ))
1029 return -ENOBUFS;
1030
1031 if (tcp->tok && nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
1032 sizeof(*tcp->tok), tcp->tok))
1033 return -ENOBUFS;
1034
1035 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
1036 tcp->data_interval_max))
1037 return -ENOBUFS;
1038
1039 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
1040 tcp->wake_payload_max))
1041 return -ENOBUFS;
1042
1043 nla_nest_end(msg, nl_tcp);
1044 return 0;
1045}
1046
3713b4e3 1047static int nl80211_send_wowlan(struct sk_buff *msg,
1b8ec87a 1048 struct cfg80211_registered_device *rdev,
b56cf720 1049 bool large)
55682965 1050{
3713b4e3 1051 struct nlattr *nl_wowlan;
55682965 1052
1b8ec87a 1053 if (!rdev->wiphy.wowlan)
3713b4e3 1054 return 0;
55682965 1055
3713b4e3
JB		 1056 nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED);
1057 if (!nl_wowlan)
1058 return -ENOBUFS;
9360ffd1 1059
1b8ec87a 1060 if (((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_ANY) &&
3713b4e3 1061 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
1b8ec87a 1062 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_DISCONNECT) &&
3713b4e3 1063 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
1b8ec87a 1064 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT) &&
3713b4e3 1065 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
1b8ec87a 1066 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) &&
3713b4e3 1067 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED)) ||
1b8ec87a 1068 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) &&
3713b4e3 1069 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
1b8ec87a 1070 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) &&
3713b4e3 1071 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
1b8ec87a 1072 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) &&
3713b4e3 1073 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
1b8ec87a 1074 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE) &&
3713b4e3
JB		 1075 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
1076 return -ENOBUFS;
9360ffd1 1077
1b8ec87a 1078 if (rdev->wiphy.wowlan->n_patterns) {
50ac6607 1079 struct nl80211_pattern_support pat = {
1b8ec87a
ZG		 1080 .max_patterns = rdev->wiphy.wowlan->n_patterns,
1081 .min_pattern_len = rdev->wiphy.wowlan->pattern_min_len,
1082 .max_pattern_len = rdev->wiphy.wowlan->pattern_max_len,
1083 .max_pkt_offset = rdev->wiphy.wowlan->max_pkt_offset,
3713b4e3 1084 };
9360ffd1 1085
3713b4e3
JB		 1086 if (nla_put(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
1087 sizeof(pat), &pat))
1088 return -ENOBUFS;
1089 }
9360ffd1 1090
75453ccb
LC		 1091 if ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_NET_DETECT) &&
1092 nla_put_u32(msg, NL80211_WOWLAN_TRIG_NET_DETECT,
1093 rdev->wiphy.wowlan->max_nd_match_sets))
1094 return -ENOBUFS;
1095
1b8ec87a 1096 if (large && nl80211_send_wowlan_tcp_caps(rdev, msg))
b56cf720
JB		 1097 return -ENOBUFS;
1098
8cd4d456
LC		 1099 /* TODO: send wowlan net detect */
1100
3713b4e3 1101 nla_nest_end(msg, nl_wowlan);
9360ffd1 1102
3713b4e3
JB		 1103 return 0;
1104}
1105#endif
9360ffd1 1106
be29b99a 1107static int nl80211_send_coalesce(struct sk_buff *msg,
1b8ec87a 1108 struct cfg80211_registered_device *rdev)
be29b99a
AK		 1109{
1110 struct nl80211_coalesce_rule_support rule;
1111
1b8ec87a 1112 if (!rdev->wiphy.coalesce)
be29b99a
AK		 1113 return 0;
1114
1b8ec87a
ZG		 1115 rule.max_rules = rdev->wiphy.coalesce->n_rules;
1116 rule.max_delay = rdev->wiphy.coalesce->max_delay;
1117 rule.pat.max_patterns = rdev->wiphy.coalesce->n_patterns;
1118 rule.pat.min_pattern_len = rdev->wiphy.coalesce->pattern_min_len;
1119 rule.pat.max_pattern_len = rdev->wiphy.coalesce->pattern_max_len;
1120 rule.pat.max_pkt_offset = rdev->wiphy.coalesce->max_pkt_offset;
be29b99a
AK		 1121
1122 if (nla_put(msg, NL80211_ATTR_COALESCE_RULE, sizeof(rule), &rule))
1123 return -ENOBUFS;
1124
1125 return 0;
1126}
1127
3713b4e3
JB		 1128static int nl80211_send_band_rateinfo(struct sk_buff *msg,
1129 struct ieee80211_supported_band *sband)
1130{
1131 struct nlattr *nl_rates, *nl_rate;
1132 struct ieee80211_rate *rate;
1133 int i;
87bbbe22 1134
3713b4e3
JB		 1135 /* add HT info */
1136 if (sband->ht_cap.ht_supported &&
1137 (nla_put(msg, NL80211_BAND_ATTR_HT_MCS_SET,
1138 sizeof(sband->ht_cap.mcs),
1139 &sband->ht_cap.mcs) ||
1140 nla_put_u16(msg, NL80211_BAND_ATTR_HT_CAPA,
1141 sband->ht_cap.cap) ||
1142 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR,
1143 sband->ht_cap.ampdu_factor) ||
1144 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY,
1145 sband->ht_cap.ampdu_density)))
1146 return -ENOBUFS;
afe0cbf8 1147
3713b4e3
JB		 1148 /* add VHT info */
1149 if (sband->vht_cap.vht_supported &&
1150 (nla_put(msg, NL80211_BAND_ATTR_VHT_MCS_SET,
1151 sizeof(sband->vht_cap.vht_mcs),
1152 &sband->vht_cap.vht_mcs) ||
1153 nla_put_u32(msg, NL80211_BAND_ATTR_VHT_CAPA,
1154 sband->vht_cap.cap)))
1155 return -ENOBUFS;
f59ac048 1156
3713b4e3
JB		 1157 /* add bitrates */
1158 nl_rates = nla_nest_start(msg, NL80211_BAND_ATTR_RATES);
1159 if (!nl_rates)
1160 return -ENOBUFS;
ee688b00 1161
3713b4e3
JB		 1162 for (i = 0; i < sband->n_bitrates; i++) {
1163 nl_rate = nla_nest_start(msg, i);
1164 if (!nl_rate)
1165 return -ENOBUFS;
ee688b00 1166
3713b4e3
JB		 1167 rate = &sband->bitrates[i];
1168 if (nla_put_u32(msg, NL80211_BITRATE_ATTR_RATE,
1169 rate->bitrate))
1170 return -ENOBUFS;
1171 if ((rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) &&
1172 nla_put_flag(msg,
1173 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE))
1174 return -ENOBUFS;
ee688b00 1175
3713b4e3
JB		 1176 nla_nest_end(msg, nl_rate);
1177 }
d51626df 1178
3713b4e3 1179 nla_nest_end(msg, nl_rates);
bf0c111e 1180
3713b4e3
JB		 1181 return 0;
1182}
ee688b00 1183
3713b4e3
JB		 1184static int
1185nl80211_send_mgmt_stypes(struct sk_buff *msg,
1186 const struct ieee80211_txrx_stypes *mgmt_stypes)
1187{
1188 u16 stypes;
1189 struct nlattr *nl_ftypes, *nl_ifs;
1190 enum nl80211_iftype ift;
1191 int i;
ee688b00 1192
3713b4e3
JB		 1193 if (!mgmt_stypes)
1194 return 0;
5dab3b8a 1195
3713b4e3
JB		 1196 nl_ifs = nla_nest_start(msg, NL80211_ATTR_TX_FRAME_TYPES);
1197 if (!nl_ifs)
1198 return -ENOBUFS;
e2f367f2 1199
3713b4e3
JB		 1200 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
1201 nl_ftypes = nla_nest_start(msg, ift);
1202 if (!nl_ftypes)
1203 return -ENOBUFS;
1204 i = 0;
1205 stypes = mgmt_stypes[ift].tx;
1206 while (stypes) {
1207 if ((stypes & 1) &&
1208 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
1209 (i << 4) | IEEE80211_FTYPE_MGMT))
1210 return -ENOBUFS;
1211 stypes >>= 1;
1212 i++;
ee688b00 1213 }
3713b4e3
JB		 1214 nla_nest_end(msg, nl_ftypes);
1215 }
ee688b00 1216
3713b4e3 1217 nla_nest_end(msg, nl_ifs);
ee688b00 1218
3713b4e3
JB		 1219 nl_ifs = nla_nest_start(msg, NL80211_ATTR_RX_FRAME_TYPES);
1220 if (!nl_ifs)
1221 return -ENOBUFS;
ee688b00 1222
3713b4e3
JB		 1223 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
1224 nl_ftypes = nla_nest_start(msg, ift);
1225 if (!nl_ftypes)
1226 return -ENOBUFS;
1227 i = 0;
1228 stypes = mgmt_stypes[ift].rx;
1229 while (stypes) {
1230 if ((stypes & 1) &&
1231 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
1232 (i << 4) | IEEE80211_FTYPE_MGMT))
1233 return -ENOBUFS;
1234 stypes >>= 1;
1235 i++;
1236 }
1237 nla_nest_end(msg, nl_ftypes);
1238 }
1239 nla_nest_end(msg, nl_ifs);
ee688b00 1240
3713b4e3
JB		 1241 return 0;
1242}
ee688b00 1243
86e8cf98
JB		 1244struct nl80211_dump_wiphy_state {
1245 s64 filter_wiphy;
1246 long start;
1247 long split_start, band_start, chan_start;
1248 bool split;
1249};
1250
1b8ec87a 1251static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev,
3bb20556 1252 enum nl80211_commands cmd,
3713b4e3 1253 struct sk_buff *msg, u32 portid, u32 seq,
86e8cf98 1254 int flags, struct nl80211_dump_wiphy_state *state)
3713b4e3
JB		 1255{
1256 void *hdr;
1257 struct nlattr *nl_bands, *nl_band;
1258 struct nlattr *nl_freqs, *nl_freq;
1259 struct nlattr *nl_cmds;
1260 enum ieee80211_band band;
1261 struct ieee80211_channel *chan;
1262 int i;
1263 const struct ieee80211_txrx_stypes *mgmt_stypes =
1b8ec87a 1264 rdev->wiphy.mgmt_stypes;
fe1abafd 1265 u32 features;
ee688b00 1266
3bb20556 1267 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
3713b4e3
JB		 1268 if (!hdr)
1269 return -ENOBUFS;
ee688b00 1270
86e8cf98
JB		 1271 if (WARN_ON(!state))
1272 return -EINVAL;
ee688b00 1273
1b8ec87a 1274 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
3713b4e3 1275 nla_put_string(msg, NL80211_ATTR_WIPHY_NAME,
1b8ec87a 1276 wiphy_name(&rdev->wiphy)) ||
3713b4e3
JB		 1277 nla_put_u32(msg, NL80211_ATTR_GENERATION,
1278 cfg80211_rdev_list_generation))
8fdc621d
JB		 1279 goto nla_put_failure;
1280
3bb20556
JB		 1281 if (cmd != NL80211_CMD_NEW_WIPHY)
1282 goto finish;
1283
86e8cf98 1284 switch (state->split_start) {
3713b4e3
JB		 1285 case 0:
1286 if (nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT,
1b8ec87a 1287 rdev->wiphy.retry_short) ||
3713b4e3 1288 nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_LONG,
1b8ec87a 1289 rdev->wiphy.retry_long) ||
3713b4e3 1290 nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD,
1b8ec87a 1291 rdev->wiphy.frag_threshold) ||
3713b4e3 1292 nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD,
1b8ec87a 1293 rdev->wiphy.rts_threshold) ||
3713b4e3 1294 nla_put_u8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS,
1b8ec87a 1295 rdev->wiphy.coverage_class) ||
3713b4e3 1296 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS,
1b8ec87a 1297 rdev->wiphy.max_scan_ssids) ||
3713b4e3 1298 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS,
1b8ec87a 1299 rdev->wiphy.max_sched_scan_ssids) ||
3713b4e3 1300 nla_put_u16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN,
1b8ec87a 1301 rdev->wiphy.max_scan_ie_len) ||
3713b4e3 1302 nla_put_u16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN,
1b8ec87a 1303 rdev->wiphy.max_sched_scan_ie_len) ||
3713b4e3 1304 nla_put_u8(msg, NL80211_ATTR_MAX_MATCH_SETS,
1b8ec87a 1305 rdev->wiphy.max_match_sets))
9360ffd1 1306 goto nla_put_failure;
3713b4e3 1307
1b8ec87a 1308 if ((rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) &&
3713b4e3 1309 nla_put_flag(msg, NL80211_ATTR_SUPPORT_IBSS_RSN))
aa430da4 1310 goto nla_put_failure;
1b8ec87a 1311 if ((rdev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) &&
3713b4e3
JB		 1312 nla_put_flag(msg, NL80211_ATTR_SUPPORT_MESH_AUTH))
1313 goto nla_put_failure;
1b8ec87a 1314 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) &&
3713b4e3
JB		 1315 nla_put_flag(msg, NL80211_ATTR_SUPPORT_AP_UAPSD))
1316 goto nla_put_failure;
1b8ec87a 1317 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) &&
3713b4e3
JB		 1318 nla_put_flag(msg, NL80211_ATTR_ROAM_SUPPORT))
1319 goto nla_put_failure;
1b8ec87a 1320 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) &&
3713b4e3
JB		 1321 nla_put_flag(msg, NL80211_ATTR_TDLS_SUPPORT))
1322 goto nla_put_failure;
1b8ec87a 1323 if ((rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) &&
3713b4e3 1324 nla_put_flag(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP))
9360ffd1 1325 goto nla_put_failure;
86e8cf98
JB		 1326 state->split_start++;
1327 if (state->split)
3713b4e3
JB		 1328 break;
1329 case 1:
1330 if (nla_put(msg, NL80211_ATTR_CIPHER_SUITES,
1b8ec87a
ZG		 1331 sizeof(u32) * rdev->wiphy.n_cipher_suites,
1332 rdev->wiphy.cipher_suites))
3713b4e3 1333 goto nla_put_failure;
4745fc09 1334
3713b4e3 1335 if (nla_put_u8(msg, NL80211_ATTR_MAX_NUM_PMKIDS,
1b8ec87a 1336 rdev->wiphy.max_num_pmkids))
3713b4e3 1337 goto nla_put_failure;
b23aa676 1338
1b8ec87a 1339 if ((rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
3713b4e3 1340 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE))
9360ffd1 1341 goto nla_put_failure;
b23aa676 1342
3713b4e3 1343 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX,
1b8ec87a 1344 rdev->wiphy.available_antennas_tx) ||
3713b4e3 1345 nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX,
1b8ec87a 1346 rdev->wiphy.available_antennas_rx))
9360ffd1 1347 goto nla_put_failure;
b23aa676 1348
1b8ec87a 1349 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) &&
3713b4e3 1350 nla_put_u32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD,
1b8ec87a 1351 rdev->wiphy.probe_resp_offload))
3713b4e3 1352 goto nla_put_failure;
8fdc621d 1353
1b8ec87a
ZG		 1354 if ((rdev->wiphy.available_antennas_tx ||
1355 rdev->wiphy.available_antennas_rx) &&
1356 rdev->ops->get_antenna) {
3713b4e3
JB		 1357 u32 tx_ant = 0, rx_ant = 0;
1358 int res;
1b8ec87a 1359 res = rdev_get_antenna(rdev, &tx_ant, &rx_ant);
3713b4e3
JB		 1360 if (!res) {
1361 if (nla_put_u32(msg,
1362 NL80211_ATTR_WIPHY_ANTENNA_TX,
1363 tx_ant) ||
1364 nla_put_u32(msg,
1365 NL80211_ATTR_WIPHY_ANTENNA_RX,
1366 rx_ant))
1367 goto nla_put_failure;
1368 }
1369 }
a293911d 1370
86e8cf98
JB		 1371 state->split_start++;
1372 if (state->split)
3713b4e3
JB		 1373 break;
1374 case 2:
1375 if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES,
1b8ec87a 1376 rdev->wiphy.interface_modes))
3713b4e3 1377 goto nla_put_failure;
86e8cf98
JB		 1378 state->split_start++;
1379 if (state->split)
3713b4e3
JB		 1380 break;
1381 case 3:
1382 nl_bands = nla_nest_start(msg, NL80211_ATTR_WIPHY_BANDS);
1383 if (!nl_bands)
1384 goto nla_put_failure;
f7ca38df 1385
86e8cf98
JB		 1386 for (band = state->band_start;
1387 band < IEEE80211_NUM_BANDS; band++) {
3713b4e3 1388 struct ieee80211_supported_band *sband;
2e161f78 1389
1b8ec87a 1390 sband = rdev->wiphy.bands[band];
2e161f78 1391
3713b4e3
JB		 1392 if (!sband)
1393 continue;
1394
1395 nl_band = nla_nest_start(msg, band);
1396 if (!nl_band)
2e161f78 1397 goto nla_put_failure;
3713b4e3 1398
86e8cf98 1399 switch (state->chan_start) {
3713b4e3
JB		 1400 case 0:
1401 if (nl80211_send_band_rateinfo(msg, sband))
9360ffd1 1402 goto nla_put_failure;
86e8cf98
JB		 1403 state->chan_start++;
1404 if (state->split)
3713b4e3
JB		 1405 break;
1406 default:
1407 /* add frequencies */
1408 nl_freqs = nla_nest_start(
1409 msg, NL80211_BAND_ATTR_FREQS);
1410 if (!nl_freqs)
1411 goto nla_put_failure;
1412
86e8cf98 1413 for (i = state->chan_start - 1;
3713b4e3
JB		 1414 i < sband->n_channels;
1415 i++) {
1416 nl_freq = nla_nest_start(msg, i);
1417 if (!nl_freq)
1418 goto nla_put_failure;
1419
1420 chan = &sband->channels[i];
1421
86e8cf98
JB		 1422 if (nl80211_msg_put_channel(
1423 msg, chan,
1424 state->split))
3713b4e3
JB		 1425 goto nla_put_failure;
1426
1427 nla_nest_end(msg, nl_freq);
86e8cf98 1428 if (state->split)
3713b4e3
JB		 1429 break;
1430 }
1431 if (i < sband->n_channels)
86e8cf98 1432 state->chan_start = i + 2;
3713b4e3 1433 else
86e8cf98 1434 state->chan_start = 0;
3713b4e3
JB		 1435 nla_nest_end(msg, nl_freqs);
1436 }
1437
1438 nla_nest_end(msg, nl_band);
1439
86e8cf98 1440 if (state->split) {
3713b4e3 1441 /* start again here */
86e8cf98 1442 if (state->chan_start)
3713b4e3
JB		 1443 band--;
1444 break;
2e161f78 1445 }
2e161f78 1446 }
3713b4e3 1447 nla_nest_end(msg, nl_bands);
2e161f78 1448
3713b4e3 1449 if (band < IEEE80211_NUM_BANDS)
86e8cf98 1450 state->band_start = band + 1;
3713b4e3 1451 else
86e8cf98 1452 state->band_start = 0;
74b70a4e 1453
3713b4e3 1454 /* if bands & channels are done, continue outside */
86e8cf98
JB		 1455 if (state->band_start == 0 && state->chan_start == 0)
1456 state->split_start++;
1457 if (state->split)
3713b4e3
JB		 1458 break;
1459 case 4:
1460 nl_cmds = nla_nest_start(msg, NL80211_ATTR_SUPPORTED_COMMANDS);
1461 if (!nl_cmds)
2e161f78
JB		 1462 goto nla_put_failure;
1463
3713b4e3
JB		 1464 i = 0;
1465#define CMD(op, n) \
1466 do { \
1b8ec87a 1467 if (rdev->ops->op) { \
3713b4e3
JB		 1468 i++; \
1469 if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \
1470 goto nla_put_failure; \
1471 } \
1472 } while (0)
1473
1474 CMD(add_virtual_intf, NEW_INTERFACE);
1475 CMD(change_virtual_intf, SET_INTERFACE);
1476 CMD(add_key, NEW_KEY);
1477 CMD(start_ap, START_AP);
1478 CMD(add_station, NEW_STATION);
1479 CMD(add_mpath, NEW_MPATH);
1480 CMD(update_mesh_config, SET_MESH_CONFIG);
1481 CMD(change_bss, SET_BSS);
1482 CMD(auth, AUTHENTICATE);
1483 CMD(assoc, ASSOCIATE);
1484 CMD(deauth, DEAUTHENTICATE);
1485 CMD(disassoc, DISASSOCIATE);
1486 CMD(join_ibss, JOIN_IBSS);
1487 CMD(join_mesh, JOIN_MESH);
1488 CMD(set_pmksa, SET_PMKSA);
1489 CMD(del_pmksa, DEL_PMKSA);
1490 CMD(flush_pmksa, FLUSH_PMKSA);
1b8ec87a 1491 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)
3713b4e3
JB		 1492 CMD(remain_on_channel, REMAIN_ON_CHANNEL);
1493 CMD(set_bitrate_mask, SET_TX_BITRATE_MASK);
1494 CMD(mgmt_tx, FRAME);
1495 CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL);
1b8ec87a 1496 if (rdev->wiphy.flags & WIPHY_FLAG_NETNS_OK) {
3713b4e3
JB		 1497 i++;
1498 if (nla_put_u32(msg, i, NL80211_CMD_SET_WIPHY_NETNS))
2e161f78 1499 goto nla_put_failure;
2e161f78 1500 }
1b8ec87a
ZG		 1501 if (rdev->ops->set_monitor_channel || rdev->ops->start_ap ||
1502 rdev->ops->join_mesh) {
3713b4e3
JB		 1503 i++;
1504 if (nla_put_u32(msg, i, NL80211_CMD_SET_CHANNEL))
1505 goto nla_put_failure;
1506 }
1507 CMD(set_wds_peer, SET_WDS_PEER);
1b8ec87a 1508 if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) {
3713b4e3
JB		 1509 CMD(tdls_mgmt, TDLS_MGMT);
1510 CMD(tdls_oper, TDLS_OPER);
1511 }
1b8ec87a 1512 if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN)
3713b4e3
JB		 1513 CMD(sched_scan_start, START_SCHED_SCAN);
1514 CMD(probe_client, PROBE_CLIENT);
1515 CMD(set_noack_map, SET_NOACK_MAP);
1b8ec87a 1516 if (rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) {
3713b4e3
JB		 1517 i++;
1518 if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS))
1519 goto nla_put_failure;
1520 }
1521 CMD(start_p2p_device, START_P2P_DEVICE);
1522 CMD(set_mcast_rate, SET_MCAST_RATE);
02df00eb
JB		 1523#ifdef CONFIG_NL80211_TESTMODE
1524 CMD(testmode_cmd, TESTMODE);
1525#endif
86e8cf98 1526 if (state->split) {
5de17984
AS		 1527 CMD(crit_proto_start, CRIT_PROTOCOL_START);
1528 CMD(crit_proto_stop, CRIT_PROTOCOL_STOP);
1b8ec87a 1529 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH)
16ef1fe2 1530 CMD(channel_switch, CHANNEL_SWITCH);
02df00eb 1531 CMD(set_qos_map, SET_QOS_MAP);
723e73ac
JB		 1532 if (rdev->wiphy.features &
1533 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION)
960d01ac 1534 CMD(add_tx_ts, ADD_TX_TS);
5de17984 1535 }
02df00eb 1536 /* add into the if now */
3713b4e3 1537#undef CMD
ff1b6e69 1538
1b8ec87a 1539 if (rdev->ops->connect || rdev->ops->auth) {
3713b4e3
JB		 1540 i++;
1541 if (nla_put_u32(msg, i, NL80211_CMD_CONNECT))
9360ffd1 1542 goto nla_put_failure;
ff1b6e69
JB		 1543 }
1544
1b8ec87a 1545 if (rdev->ops->disconnect || rdev->ops->deauth) {
3713b4e3
JB		 1546 i++;
1547 if (nla_put_u32(msg, i, NL80211_CMD_DISCONNECT))
1548 goto nla_put_failure;
1549 }
1550
1551 nla_nest_end(msg, nl_cmds);
86e8cf98
JB		 1552 state->split_start++;
1553 if (state->split)
3713b4e3
JB		 1554 break;
1555 case 5:
1b8ec87a
ZG		 1556 if (rdev->ops->remain_on_channel &&
1557 (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) &&
3713b4e3
JB		 1558 nla_put_u32(msg,
1559 NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION,
1b8ec87a 1560 rdev->wiphy.max_remain_on_channel_duration))
3713b4e3
JB		 1561 goto nla_put_failure;
1562
1b8ec87a 1563 if ((rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) &&
3713b4e3
JB		 1564 nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK))
1565 goto nla_put_failure;
1566
1567 if (nl80211_send_mgmt_stypes(msg, mgmt_stypes))
1568 goto nla_put_failure;
86e8cf98
JB		 1569 state->split_start++;
1570 if (state->split)
3713b4e3
JB		 1571 break;
1572 case 6:
1573#ifdef CONFIG_PM
1b8ec87a 1574 if (nl80211_send_wowlan(msg, rdev, state->split))
3713b4e3 1575 goto nla_put_failure;
86e8cf98
JB		 1576 state->split_start++;
1577 if (state->split)
3713b4e3
JB		 1578 break;
1579#else
86e8cf98 1580 state->split_start++;
dfb89c56 1581#endif
3713b4e3
JB		 1582 case 7:
1583 if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES,
1b8ec87a 1584 rdev->wiphy.software_iftypes))
3713b4e3 1585 goto nla_put_failure;
ff1b6e69 1586
1b8ec87a 1587 if (nl80211_put_iface_combinations(&rdev->wiphy, msg,
86e8cf98 1588 state->split))
3713b4e3 1589 goto nla_put_failure;
7527a782 1590
86e8cf98
JB		 1591 state->split_start++;
1592 if (state->split)
3713b4e3
JB		 1593 break;
1594 case 8:
1b8ec87a 1595 if ((rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) &&
3713b4e3 1596 nla_put_u32(msg, NL80211_ATTR_DEVICE_AP_SME,
1b8ec87a 1597 rdev->wiphy.ap_sme_capa))
3713b4e3 1598 goto nla_put_failure;
7527a782 1599
1b8ec87a 1600 features = rdev->wiphy.features;
fe1abafd
JB		 1601 /*
1602 * We can only add the per-channel limit information if the
1603 * dump is split, otherwise it makes it too big. Therefore
1604 * only advertise it in that case.
1605 */
86e8cf98 1606 if (state->split)
fe1abafd
JB		 1607 features |= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS;
1608 if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS, features))
3713b4e3 1609 goto nla_put_failure;
562a7480 1610
1b8ec87a 1611 if (rdev->wiphy.ht_capa_mod_mask &&
3713b4e3 1612 nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK,
1b8ec87a
ZG		 1613 sizeof(*rdev->wiphy.ht_capa_mod_mask),
1614 rdev->wiphy.ht_capa_mod_mask))
3713b4e3 1615 goto nla_put_failure;
1f074bd8 1616
1b8ec87a
ZG		 1617 if (rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME &&
1618 rdev->wiphy.max_acl_mac_addrs &&
3713b4e3 1619 nla_put_u32(msg, NL80211_ATTR_MAC_ACL_MAX,
1b8ec87a 1620 rdev->wiphy.max_acl_mac_addrs))
3713b4e3 1621 goto nla_put_failure;
7e7c8926 1622
3713b4e3
JB		 1623 /*
1624 * Any information below this point is only available to
1625 * applications that can deal with it being split. This
1626 * helps ensure that newly added capabilities don't break
1627 * older tools by overrunning their buffers.
1628 *
1629 * We still increment split_start so that in the split
1630 * case we'll continue with more data in the next round,
1631 * but break unconditionally so unsplit data stops here.
1632 */
86e8cf98 1633 state->split_start++;
3713b4e3
JB		 1634 break;
1635 case 9:
1b8ec87a 1636 if (rdev->wiphy.extended_capabilities &&
fe1abafd 1637 (nla_put(msg, NL80211_ATTR_EXT_CAPA,
1b8ec87a
ZG		 1638 rdev->wiphy.extended_capabilities_len,
1639 rdev->wiphy.extended_capabilities) ||
fe1abafd 1640 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
1b8ec87a
ZG		 1641 rdev->wiphy.extended_capabilities_len,
1642 rdev->wiphy.extended_capabilities_mask)))
fe1abafd 1643 goto nla_put_failure;
a50df0c4 1644
1b8ec87a 1645 if (rdev->wiphy.vht_capa_mod_mask &&
ee2aca34 1646 nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK,
1b8ec87a
ZG		 1647 sizeof(*rdev->wiphy.vht_capa_mod_mask),
1648 rdev->wiphy.vht_capa_mod_mask))
ee2aca34
JB		 1649 goto nla_put_failure;
1650
be29b99a
AK		 1651 state->split_start++;
1652 break;
1653 case 10:
1b8ec87a 1654 if (nl80211_send_coalesce(msg, rdev))
be29b99a
AK		 1655 goto nla_put_failure;
1656
1b8ec87a 1657 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ) &&
01e0daa4
FF		 1658 (nla_put_flag(msg, NL80211_ATTR_SUPPORT_5_MHZ) ||
1659 nla_put_flag(msg, NL80211_ATTR_SUPPORT_10_MHZ)))
1660 goto nla_put_failure;
b43504cf 1661
1b8ec87a 1662 if (rdev->wiphy.max_ap_assoc_sta &&
b43504cf 1663 nla_put_u32(msg, NL80211_ATTR_MAX_AP_ASSOC_STA,
1b8ec87a 1664 rdev->wiphy.max_ap_assoc_sta))
b43504cf
JM		 1665 goto nla_put_failure;
1666
ad7e718c
JB		 1667 state->split_start++;
1668 break;
1669 case 11:
1b8ec87a 1670 if (rdev->wiphy.n_vendor_commands) {
567ffc35
JB		 1671 const struct nl80211_vendor_cmd_info *info;
1672 struct nlattr *nested;
1673
1674 nested = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
1675 if (!nested)
1676 goto nla_put_failure;
1677
1b8ec87a
ZG		 1678 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
1679 info = &rdev->wiphy.vendor_commands[i].info;
567ffc35
JB		 1680 if (nla_put(msg, i + 1, sizeof(*info), info))
1681 goto nla_put_failure;
1682 }
1683 nla_nest_end(msg, nested);
1684 }
1685
1b8ec87a 1686 if (rdev->wiphy.n_vendor_events) {
567ffc35
JB		 1687 const struct nl80211_vendor_cmd_info *info;
1688 struct nlattr *nested;
ad7e718c 1689
567ffc35
JB		 1690 nested = nla_nest_start(msg,
1691 NL80211_ATTR_VENDOR_EVENTS);
1692 if (!nested)
ad7e718c 1693 goto nla_put_failure;
567ffc35 1694
1b8ec87a
ZG		 1695 for (i = 0; i < rdev->wiphy.n_vendor_events; i++) {
1696 info = &rdev->wiphy.vendor_events[i];
567ffc35
JB		 1697 if (nla_put(msg, i + 1, sizeof(*info), info))
1698 goto nla_put_failure;
1699 }
1700 nla_nest_end(msg, nested);
1701 }
9a774c78
AO		 1702 state->split_start++;
1703 break;
1704 case 12:
1705 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH &&
1706 nla_put_u8(msg, NL80211_ATTR_MAX_CSA_COUNTERS,
1707 rdev->wiphy.max_num_csa_counters))
1708 goto nla_put_failure;
01e0daa4 1709
1bdd716c
AN		 1710 if (rdev->wiphy.regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
1711 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
1712 goto nla_put_failure;
1713
d75bb06b
GKS		 1714 if (nla_put(msg, NL80211_ATTR_EXT_FEATURES,
1715 sizeof(rdev->wiphy.ext_features),
1716 rdev->wiphy.ext_features))
1717 goto nla_put_failure;
1718
3713b4e3 1719 /* done */
86e8cf98 1720 state->split_start = 0;
3713b4e3
JB		 1721 break;
1722 }
3bb20556 1723 finish:
55682965
JB		 1724 return genlmsg_end(msg, hdr);
1725
1726 nla_put_failure:
bc3ed28c
TG		 1727 genlmsg_cancel(msg, hdr);
1728 return -EMSGSIZE;
55682965
JB		 1729}
1730
86e8cf98
JB		 1731static int nl80211_dump_wiphy_parse(struct sk_buff *skb,
1732 struct netlink_callback *cb,
1733 struct nl80211_dump_wiphy_state *state)
1734{
1735 struct nlattr **tb = nl80211_fam.attrbuf;
1736 int ret = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
1737 tb, nl80211_fam.maxattr, nl80211_policy);
1738 /* ignore parse errors for backward compatibility */
1739 if (ret)
1740 return 0;
1741
1742 state->split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP];
1743 if (tb[NL80211_ATTR_WIPHY])
1744 state->filter_wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
1745 if (tb[NL80211_ATTR_WDEV])
1746 state->filter_wiphy = nla_get_u64(tb[NL80211_ATTR_WDEV]) >> 32;
1747 if (tb[NL80211_ATTR_IFINDEX]) {
1748 struct net_device *netdev;
1749 struct cfg80211_registered_device *rdev;
1750 int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
1751
7f2b8562 1752 netdev = __dev_get_by_index(sock_net(skb->sk), ifidx);
86e8cf98
JB		 1753 if (!netdev)
1754 return -ENODEV;
1755 if (netdev->ieee80211_ptr) {
f26cbf40 1756 rdev = wiphy_to_rdev(
86e8cf98
JB		 1757 netdev->ieee80211_ptr->wiphy);
1758 state->filter_wiphy = rdev->wiphy_idx;
1759 }
86e8cf98
JB		 1760 }
1761
1762 return 0;
1763}
1764
55682965
JB		 1765static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
1766{
645e77de 1767 int idx = 0, ret;
86e8cf98 1768 struct nl80211_dump_wiphy_state *state = (void *)cb->args[0];
1b8ec87a 1769 struct cfg80211_registered_device *rdev;
3a5a423b 1770
5fe231e8 1771 rtnl_lock();
86e8cf98
JB		 1772 if (!state) {
1773 state = kzalloc(sizeof(*state), GFP_KERNEL);
57ed5cd6
JL		 1774 if (!state) {
1775 rtnl_unlock();
86e8cf98 1776 return -ENOMEM;
3713b4e3 1777 }
86e8cf98
JB		 1778 state->filter_wiphy = -1;
1779 ret = nl80211_dump_wiphy_parse(skb, cb, state);
1780 if (ret) {
1781 kfree(state);
1782 rtnl_unlock();
1783 return ret;
3713b4e3 1784 }
86e8cf98 1785 cb->args[0] = (long)state;
3713b4e3
JB		 1786 }
1787
1b8ec87a
ZG		 1788 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
1789 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
463d0183 1790 continue;
86e8cf98 1791 if (++idx <= state->start)
55682965 1792 continue;
86e8cf98 1793 if (state->filter_wiphy != -1 &&
1b8ec87a 1794 state->filter_wiphy != rdev->wiphy_idx)
3713b4e3
JB		 1795 continue;
1796 /* attempt to fit multiple wiphy data chunks into the skb */
1797 do {
3bb20556
JB		 1798 ret = nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY,
1799 skb,
3713b4e3
JB		 1800 NETLINK_CB(cb->skb).portid,
1801 cb->nlh->nlmsg_seq,
86e8cf98 1802 NLM_F_MULTI, state);
3713b4e3
JB		 1803 if (ret < 0) {
1804 /*
1805 * If sending the wiphy data didn't fit (ENOBUFS
1806 * or EMSGSIZE returned), this SKB is still
1807 * empty (so it's not too big because another
1808 * wiphy dataset is already in the skb) and
1809 * we've not tried to adjust the dump allocation
1810 * yet ... then adjust the alloc size to be
1811 * bigger, and return 1 but with the empty skb.
1812 * This results in an empty message being RX'ed
1813 * in userspace, but that is ignored.
1814 *
1815 * We can then retry with the larger buffer.
1816 */
1817 if ((ret == -ENOBUFS || ret == -EMSGSIZE) &&
f12cb289 1818 !skb->len && !state->split &&
3713b4e3
JB		 1819 cb->min_dump_alloc < 4096) {
1820 cb->min_dump_alloc = 4096;
f12cb289 1821 state->split_start = 0;
d98cae64 1822 rtnl_unlock();
3713b4e3
JB		 1823 return 1;
1824 }
1825 idx--;
1826 break;
645e77de 1827 }
86e8cf98 1828 } while (state->split_start > 0);
3713b4e3 1829 break;
55682965 1830 }
5fe231e8 1831 rtnl_unlock();
55682965 1832
86e8cf98 1833 state->start = idx;
55682965
JB		 1834
1835 return skb->len;
1836}
1837
86e8cf98
JB		 1838static int nl80211_dump_wiphy_done(struct netlink_callback *cb)
1839{
1840 kfree((void *)cb->args[0]);
1841 return 0;
1842}
1843
55682965
JB		 1844static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info)
1845{
1846 struct sk_buff *msg;
1b8ec87a 1847 struct cfg80211_registered_device *rdev = info->user_ptr[0];
86e8cf98 1848 struct nl80211_dump_wiphy_state state = {};
55682965 1849
645e77de 1850 msg = nlmsg_new(4096, GFP_KERNEL);
55682965 1851 if (!msg)
4c476991 1852 return -ENOMEM;
55682965 1853
3bb20556
JB		 1854 if (nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY, msg,
1855 info->snd_portid, info->snd_seq, 0,
86e8cf98 1856 &state) < 0) {
4c476991
JB		 1857 nlmsg_free(msg);
1858 return -ENOBUFS;
1859 }
55682965 1860
134e6375 1861 return genlmsg_reply(msg, info);
55682965
JB		 1862}
1863
31888487
JM		 1864static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = {
1865 [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 },
1866 [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 },
1867 [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 },
1868 [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 },
1869 [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 },
1870};
1871
1872static int parse_txq_params(struct nlattr *tb[],
1873 struct ieee80211_txq_params *txq_params)
1874{
a3304b0a 1875 if (!tb[NL80211_TXQ_ATTR_AC] || !tb[NL80211_TXQ_ATTR_TXOP] ||
31888487
JM		 1876 !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] ||
1877 !tb[NL80211_TXQ_ATTR_AIFS])
1878 return -EINVAL;
1879
a3304b0a 1880 txq_params->ac = nla_get_u8(tb[NL80211_TXQ_ATTR_AC]);
31888487
JM		 1881 txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]);
1882 txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]);
1883 txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]);
1884 txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]);
1885
a3304b0a
JB		 1886 if (txq_params->ac >= NL80211_NUM_ACS)
1887 return -EINVAL;
1888
31888487
JM		 1889 return 0;
1890}
1891
f444de05
JB		 1892static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev)
1893{
1894 /*
cc1d2806
JB		 1895 * You can only set the channel explicitly for WDS interfaces,
1896 * all others have their channel managed via their respective
1897 * "establish a connection" command (connect, join, ...)
1898 *
1899 * For AP/GO and mesh mode, the channel can be set with the
1900 * channel userspace API, but is only stored and passed to the
1901 * low-level driver when the AP starts or the mesh is joined.
1902 * This is for backward compatibility, userspace can also give
1903 * the channel in the start-ap or join-mesh commands instead.
f444de05
JB		 1904 *
1905 * Monitors are special as they are normally slaved to
e8c9bd5b
JB		 1906 * whatever else is going on, so they have their own special
1907 * operation to set the monitor channel if possible.
f444de05
JB		 1908 */
1909 return !wdev ||
1910 wdev->iftype == NL80211_IFTYPE_AP ||
f444de05 1911 wdev->iftype == NL80211_IFTYPE_MESH_POINT ||
074ac8df
JB		 1912 wdev->iftype == NL80211_IFTYPE_MONITOR ||
1913 wdev->iftype == NL80211_IFTYPE_P2P_GO;
f444de05
JB		 1914}
1915
683b6d3b
JB		 1916static int nl80211_parse_chandef(struct cfg80211_registered_device *rdev,
1917 struct genl_info *info,
1918 struct cfg80211_chan_def *chandef)
1919{
dbeca2ea 1920 u32 control_freq;
683b6d3b
JB		 1921
1922 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
1923 return -EINVAL;
1924
1925 control_freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]);
1926
1927 chandef->chan = ieee80211_get_channel(&rdev->wiphy, control_freq);
3d9d1d66
JB		 1928 chandef->width = NL80211_CHAN_WIDTH_20_NOHT;
1929 chandef->center_freq1 = control_freq;
1930 chandef->center_freq2 = 0;
683b6d3b
JB		 1931
1932 /* Primary channel not allowed */
1933 if (!chandef->chan || chandef->chan->flags & IEEE80211_CHAN_DISABLED)
1934 return -EINVAL;
1935
3d9d1d66
JB		 1936 if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
1937 enum nl80211_channel_type chantype;
1938
1939 chantype = nla_get_u32(
1940 info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
1941
1942 switch (chantype) {
1943 case NL80211_CHAN_NO_HT:
1944 case NL80211_CHAN_HT20:
1945 case NL80211_CHAN_HT40PLUS:
1946 case NL80211_CHAN_HT40MINUS:
1947 cfg80211_chandef_create(chandef, chandef->chan,
1948 chantype);
1949 break;
1950 default:
1951 return -EINVAL;
1952 }
1953 } else if (info->attrs[NL80211_ATTR_CHANNEL_WIDTH]) {
1954 chandef->width =
1955 nla_get_u32(info->attrs[NL80211_ATTR_CHANNEL_WIDTH]);
1956 if (info->attrs[NL80211_ATTR_CENTER_FREQ1])
1957 chandef->center_freq1 =
1958 nla_get_u32(
1959 info->attrs[NL80211_ATTR_CENTER_FREQ1]);
1960 if (info->attrs[NL80211_ATTR_CENTER_FREQ2])
1961 chandef->center_freq2 =
1962 nla_get_u32(
1963 info->attrs[NL80211_ATTR_CENTER_FREQ2]);
1964 }
1965
9f5e8f6e 1966 if (!cfg80211_chandef_valid(chandef))
3d9d1d66
JB		 1967 return -EINVAL;
1968
9f5e8f6e
JB		 1969 if (!cfg80211_chandef_usable(&rdev->wiphy, chandef,
1970 IEEE80211_CHAN_DISABLED))
3d9d1d66
JB		 1971 return -EINVAL;
1972
2f301ab2
SW		 1973 if ((chandef->width == NL80211_CHAN_WIDTH_5 ||
1974 chandef->width == NL80211_CHAN_WIDTH_10) &&
1975 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ))
1976 return -EINVAL;
1977
683b6d3b
JB		 1978 return 0;
1979}
1980
f444de05 1981static int __nl80211_set_channel(struct cfg80211_registered_device *rdev,
e16821bc 1982 struct net_device *dev,
f444de05
JB		 1983 struct genl_info *info)
1984{
683b6d3b 1985 struct cfg80211_chan_def chandef;
f444de05 1986 int result;
e8c9bd5b 1987 enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR;
e16821bc 1988 struct wireless_dev *wdev = NULL;
e8c9bd5b 1989
e16821bc
JM		 1990 if (dev)
1991 wdev = dev->ieee80211_ptr;
f444de05
JB		 1992 if (!nl80211_can_set_dev_channel(wdev))
1993 return -EOPNOTSUPP;
e16821bc
JM		 1994 if (wdev)
1995 iftype = wdev->iftype;
f444de05 1996
683b6d3b
JB		 1997 result = nl80211_parse_chandef(rdev, info, &chandef);
1998 if (result)
1999 return result;
f444de05 2000
e8c9bd5b 2001 switch (iftype) {
aa430da4
JB		 2002 case NL80211_IFTYPE_AP:
2003 case NL80211_IFTYPE_P2P_GO:
174e0cd2 2004 if (!cfg80211_reg_can_beacon(&rdev->wiphy, &chandef, iftype)) {
aa430da4
JB		 2005 result = -EINVAL;
2006 break;
2007 }
e16821bc
JM		 2008 if (wdev->beacon_interval) {
2009 if (!dev || !rdev->ops->set_ap_chanwidth ||
2010 !(rdev->wiphy.features &
2011 NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE)) {
2012 result = -EBUSY;
2013 break;
2014 }
2015
2016 /* Only allow dynamic channel width changes */
2017 if (chandef.chan != wdev->preset_chandef.chan) {
2018 result = -EBUSY;
2019 break;
2020 }
2021 result = rdev_set_ap_chanwidth(rdev, dev, &chandef);
2022 if (result)
2023 break;
2024 }
683b6d3b 2025 wdev->preset_chandef = chandef;
aa430da4
JB		 2026 result = 0;
2027 break;
cc1d2806 2028 case NL80211_IFTYPE_MESH_POINT:
683b6d3b 2029 result = cfg80211_set_mesh_channel(rdev, wdev, &chandef);
cc1d2806 2030 break;
e8c9bd5b 2031 case NL80211_IFTYPE_MONITOR:
683b6d3b 2032 result = cfg80211_set_monitor_channel(rdev, &chandef);
e8c9bd5b 2033 break;
aa430da4 2034 default:
e8c9bd5b 2035 result = -EINVAL;
f444de05 2036 }
f444de05
JB		 2037
2038 return result;
2039}
2040
2041static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info)
2042{
4c476991
JB		 2043 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2044 struct net_device *netdev = info->user_ptr[1];
f444de05 2045
e16821bc 2046 return __nl80211_set_channel(rdev, netdev, info);
f444de05
JB		 2047}
2048
e8347eba
BJ		 2049static int nl80211_set_wds_peer(struct sk_buff *skb, struct genl_info *info)
2050{
43b19952
JB		 2051 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2052 struct net_device *dev = info->user_ptr[1];
2053 struct wireless_dev *wdev = dev->ieee80211_ptr;
388ac775 2054 const u8 *bssid;
e8347eba
BJ		 2055
2056 if (!info->attrs[NL80211_ATTR_MAC])
2057 return -EINVAL;
2058
43b19952
JB		 2059 if (netif_running(dev))
2060 return -EBUSY;
e8347eba 2061
43b19952
JB		 2062 if (!rdev->ops->set_wds_peer)
2063 return -EOPNOTSUPP;
e8347eba 2064
43b19952
JB		 2065 if (wdev->iftype != NL80211_IFTYPE_WDS)
2066 return -EOPNOTSUPP;
e8347eba
BJ		 2067
2068 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
e35e4d28 2069 return rdev_set_wds_peer(rdev, dev, bssid);
e8347eba
BJ		 2070}
2071
2072
55682965
JB		 2073static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
2074{
2075 struct cfg80211_registered_device *rdev;
f444de05
JB		 2076 struct net_device *netdev = NULL;
2077 struct wireless_dev *wdev;
a1e567c8 2078 int result = 0, rem_txq_params = 0;
31888487 2079 struct nlattr *nl_txq_params;
b9a5f8ca
JM		 2080 u32 changed;
2081 u8 retry_short = 0, retry_long = 0;
2082 u32 frag_threshold = 0, rts_threshold = 0;
81077e82 2083 u8 coverage_class = 0;
55682965 2084
5fe231e8
JB		 2085 ASSERT_RTNL();
2086
f444de05
JB		 2087 /*
2088 * Try to find the wiphy and netdev. Normally this
2089 * function shouldn't need the netdev, but this is
2090 * done for backward compatibility -- previously
2091 * setting the channel was done per wiphy, but now
2092 * it is per netdev. Previous userland like hostapd
2093 * also passed a netdev to set_wiphy, so that it is
2094 * possible to let that go to the right netdev!
2095 */
4bbf4d56 2096
f444de05
JB		 2097 if (info->attrs[NL80211_ATTR_IFINDEX]) {
2098 int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]);
2099
7f2b8562 2100 netdev = __dev_get_by_index(genl_info_net(info), ifindex);
5fe231e8 2101 if (netdev && netdev->ieee80211_ptr)
f26cbf40 2102 rdev = wiphy_to_rdev(netdev->ieee80211_ptr->wiphy);
5fe231e8 2103 else
f444de05 2104 netdev = NULL;
4bbf4d56
JB		 2105 }
2106
f444de05 2107 if (!netdev) {
878d9ec7
JB		 2108 rdev = __cfg80211_rdev_from_attrs(genl_info_net(info),
2109 info->attrs);
5fe231e8 2110 if (IS_ERR(rdev))
4c476991 2111 return PTR_ERR(rdev);
f444de05
JB		 2112 wdev = NULL;
2113 netdev = NULL;
2114 result = 0;
71fe96bf 2115 } else
f444de05 2116 wdev = netdev->ieee80211_ptr;
f444de05
JB		 2117
2118 /*
2119 * end workaround code, by now the rdev is available
2120 * and locked, and wdev may or may not be NULL.
2121 */
4bbf4d56
JB		 2122
2123 if (info->attrs[NL80211_ATTR_WIPHY_NAME])
31888487
JM		 2124 result = cfg80211_dev_rename(
2125 rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME]));
4bbf4d56 2126
4bbf4d56 2127 if (result)
7f2b8562 2128 return result;
31888487
JM		 2129
2130 if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) {
2131 struct ieee80211_txq_params txq_params;
2132 struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1];
2133
7f2b8562
YX		 2134 if (!rdev->ops->set_txq_params)
2135 return -EOPNOTSUPP;
31888487 2136
7f2b8562
YX		 2137 if (!netdev)
2138 return -EINVAL;
f70f01c2 2139
133a3ff2 2140 if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
7f2b8562
YX		 2141 netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
2142 return -EINVAL;
133a3ff2 2143
7f2b8562
YX		 2144 if (!netif_running(netdev))
2145 return -ENETDOWN;
2b5f8b0b 2146
31888487
JM		 2147 nla_for_each_nested(nl_txq_params,
2148 info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS],
2149 rem_txq_params) {
ae811e21
JB		 2150 result = nla_parse(tb, NL80211_TXQ_ATTR_MAX,
2151 nla_data(nl_txq_params),
2152 nla_len(nl_txq_params),
2153 txq_params_policy);
2154 if (result)
2155 return result;
31888487
JM		 2156 result = parse_txq_params(tb, &txq_params);
2157 if (result)
7f2b8562 2158 return result;
31888487 2159
e35e4d28
HG		 2160 result = rdev_set_txq_params(rdev, netdev,
2161 &txq_params);
31888487 2162 if (result)
7f2b8562 2163 return result;
31888487
JM		 2164 }
2165 }
55682965 2166
72bdcf34 2167 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
e16821bc
JM		 2168 result = __nl80211_set_channel(
2169 rdev,
2170 nl80211_can_set_dev_channel(wdev) ? netdev : NULL,
2171 info);
72bdcf34 2172 if (result)
7f2b8562 2173 return result;
72bdcf34
JM		 2174 }
2175
98d2ff8b 2176 if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) {
c8442118 2177 struct wireless_dev *txp_wdev = wdev;
98d2ff8b
JO		 2178 enum nl80211_tx_power_setting type;
2179 int idx, mbm = 0;
2180
c8442118
JB		 2181 if (!(rdev->wiphy.features & NL80211_FEATURE_VIF_TXPOWER))
2182 txp_wdev = NULL;
2183
7f2b8562
YX		 2184 if (!rdev->ops->set_tx_power)
2185 return -EOPNOTSUPP;
98d2ff8b
JO		 2186
2187 idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING;
2188 type = nla_get_u32(info->attrs[idx]);
2189
2190 if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] &&
7f2b8562
YX		 2191 (type != NL80211_TX_POWER_AUTOMATIC))
2192 return -EINVAL;
98d2ff8b
JO		 2193
2194 if (type != NL80211_TX_POWER_AUTOMATIC) {
2195 idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL;
2196 mbm = nla_get_u32(info->attrs[idx]);
2197 }
2198
c8442118 2199 result = rdev_set_tx_power(rdev, txp_wdev, type, mbm);
98d2ff8b 2200 if (result)
7f2b8562 2201 return result;
98d2ff8b
JO		 2202 }
2203
afe0cbf8
BR		 2204 if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] &&
2205 info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) {
2206 u32 tx_ant, rx_ant;
7f531e03
BR		 2207 if ((!rdev->wiphy.available_antennas_tx &&
2208 !rdev->wiphy.available_antennas_rx) ||
7f2b8562
YX		 2209 !rdev->ops->set_antenna)
2210 return -EOPNOTSUPP;
afe0cbf8
BR		 2211
2212 tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]);
2213 rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]);
2214
a7ffac95 2215 /* reject antenna configurations which don't match the
7f531e03
BR		 2216 * available antenna masks, except for the "all" mask */
2217 if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) ||
7f2b8562
YX		 2218 (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx)))
2219 return -EINVAL;
a7ffac95 2220
7f531e03
BR		 2221 tx_ant = tx_ant & rdev->wiphy.available_antennas_tx;
2222 rx_ant = rx_ant & rdev->wiphy.available_antennas_rx;
a7ffac95 2223
e35e4d28 2224 result = rdev_set_antenna(rdev, tx_ant, rx_ant);
afe0cbf8 2225 if (result)
7f2b8562 2226 return result;
afe0cbf8
BR		 2227 }
2228
b9a5f8ca
JM		 2229 changed = 0;
2230
2231 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) {
2232 retry_short = nla_get_u8(
2233 info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]);
7f2b8562
YX		 2234 if (retry_short == 0)
2235 return -EINVAL;
2236
b9a5f8ca
JM		 2237 changed |= WIPHY_PARAM_RETRY_SHORT;
2238 }
2239
2240 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) {
2241 retry_long = nla_get_u8(
2242 info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]);
7f2b8562
YX		 2243 if (retry_long == 0)
2244 return -EINVAL;
2245
b9a5f8ca
JM		 2246 changed |= WIPHY_PARAM_RETRY_LONG;
2247 }
2248
2249 if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) {
2250 frag_threshold = nla_get_u32(
2251 info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]);
7f2b8562
YX		 2252 if (frag_threshold < 256)
2253 return -EINVAL;
2254
b9a5f8ca
JM		 2255 if (frag_threshold != (u32) -1) {
2256 /*
2257 * Fragments (apart from the last one) are required to
2258 * have even length. Make the fragmentation code
2259 * simpler by stripping LSB should someone try to use
2260 * odd threshold value.
2261 */
2262 frag_threshold &= ~0x1;
2263 }
2264 changed |= WIPHY_PARAM_FRAG_THRESHOLD;
2265 }
2266
2267 if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) {
2268 rts_threshold = nla_get_u32(
2269 info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]);
2270 changed |= WIPHY_PARAM_RTS_THRESHOLD;
2271 }
2272
81077e82 2273 if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) {
3057dbfd
LB		 2274 if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK])
2275 return -EINVAL;
2276
81077e82
LT		 2277 coverage_class = nla_get_u8(
2278 info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]);
2279 changed |= WIPHY_PARAM_COVERAGE_CLASS;
2280 }
2281
3057dbfd
LB		 2282 if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) {
2283 if (!(rdev->wiphy.features & NL80211_FEATURE_ACKTO_ESTIMATION))
2284 return -EOPNOTSUPP;
2285
2286 changed |= WIPHY_PARAM_DYN_ACK;
81077e82
LT		 2287 }
2288
b9a5f8ca
JM		 2289 if (changed) {
2290 u8 old_retry_short, old_retry_long;
2291 u32 old_frag_threshold, old_rts_threshold;
81077e82 2292 u8 old_coverage_class;
b9a5f8ca 2293
7f2b8562
YX		 2294 if (!rdev->ops->set_wiphy_params)
2295 return -EOPNOTSUPP;
b9a5f8ca
JM		 2296
2297 old_retry_short = rdev->wiphy.retry_short;
2298 old_retry_long = rdev->wiphy.retry_long;
2299 old_frag_threshold = rdev->wiphy.frag_threshold;
2300 old_rts_threshold = rdev->wiphy.rts_threshold;
81077e82 2301 old_coverage_class = rdev->wiphy.coverage_class;
b9a5f8ca
JM		 2302
2303 if (changed & WIPHY_PARAM_RETRY_SHORT)
2304 rdev->wiphy.retry_short = retry_short;
2305 if (changed & WIPHY_PARAM_RETRY_LONG)
2306 rdev->wiphy.retry_long = retry_long;
2307 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
2308 rdev->wiphy.frag_threshold = frag_threshold;
2309 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
2310 rdev->wiphy.rts_threshold = rts_threshold;
81077e82
LT		 2311 if (changed & WIPHY_PARAM_COVERAGE_CLASS)
2312 rdev->wiphy.coverage_class = coverage_class;
b9a5f8ca 2313
e35e4d28 2314 result = rdev_set_wiphy_params(rdev, changed);
b9a5f8ca
JM		 2315 if (result) {
2316 rdev->wiphy.retry_short = old_retry_short;
2317 rdev->wiphy.retry_long = old_retry_long;
2318 rdev->wiphy.frag_threshold = old_frag_threshold;
2319 rdev->wiphy.rts_threshold = old_rts_threshold;
81077e82 2320 rdev->wiphy.coverage_class = old_coverage_class;
b9a5f8ca
JM		 2321 }
2322 }
7f2b8562 2323 return 0;
55682965
JB		 2324}
2325
71bbc994
JB		 2326static inline u64 wdev_id(struct wireless_dev *wdev)
2327{
2328 return (u64)wdev->identifier |
f26cbf40 2329 ((u64)wiphy_to_rdev(wdev->wiphy)->wiphy_idx << 32);
71bbc994 2330}
55682965 2331
683b6d3b 2332static int nl80211_send_chandef(struct sk_buff *msg,
d2859df5 2333 const struct cfg80211_chan_def *chandef)
683b6d3b 2334{
601555cd
JB		 2335 if (WARN_ON(!cfg80211_chandef_valid(chandef)))
2336 return -EINVAL;
3d9d1d66 2337
683b6d3b
JB		 2338 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
2339 chandef->chan->center_freq))
2340 return -ENOBUFS;
3d9d1d66
JB		 2341 switch (chandef->width) {
2342 case NL80211_CHAN_WIDTH_20_NOHT:
2343 case NL80211_CHAN_WIDTH_20:
2344 case NL80211_CHAN_WIDTH_40:
2345 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
2346 cfg80211_get_chandef_type(chandef)))
2347 return -ENOBUFS;
2348 break;
2349 default:
2350 break;
2351 }
2352 if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, chandef->width))
2353 return -ENOBUFS;
2354 if (nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, chandef->center_freq1))
2355 return -ENOBUFS;
2356 if (chandef->center_freq2 &&
2357 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, chandef->center_freq2))
683b6d3b
JB		 2358 return -ENOBUFS;
2359 return 0;
2360}
2361
15e47304 2362static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags,
d726405a 2363 struct cfg80211_registered_device *rdev,
8f894be2 2364 struct wireless_dev *wdev, bool removal)
55682965 2365{
72fb2abc 2366 struct net_device *dev = wdev->netdev;
8f894be2 2367 u8 cmd = NL80211_CMD_NEW_INTERFACE;
55682965
JB		 2368 void *hdr;
2369
8f894be2
TB		 2370 if (removal)
2371 cmd = NL80211_CMD_DEL_INTERFACE;
2372
2373 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
55682965
JB		 2374 if (!hdr)
2375 return -1;
2376
72fb2abc
JB		 2377 if (dev &&
2378 (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
98104fde 2379 nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name)))
72fb2abc
JB		 2380 goto nla_put_failure;
2381
2382 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
2383 nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) ||
71bbc994 2384 nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) ||
98104fde 2385 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) ||
9360ffd1
DM		 2386 nla_put_u32(msg, NL80211_ATTR_GENERATION,
2387 rdev->devlist_generation ^
2388 (cfg80211_rdev_list_generation << 2)))
2389 goto nla_put_failure;
f5ea9120 2390
5b7ccaf3 2391 if (rdev->ops->get_channel) {
683b6d3b
JB		 2392 int ret;
2393 struct cfg80211_chan_def chandef;
2394
2395 ret = rdev_get_channel(rdev, wdev, &chandef);
2396 if (ret == 0) {
2397 if (nl80211_send_chandef(msg, &chandef))
2398 goto nla_put_failure;
2399 }
d91df0e3
PF		 2400 }
2401
b84e7a05
AQ		 2402 if (wdev->ssid_len) {
2403 if (nla_put(msg, NL80211_ATTR_SSID, wdev->ssid_len, wdev->ssid))
2404 goto nla_put_failure;
2405 }
2406
55682965
JB		 2407 return genlmsg_end(msg, hdr);
2408
2409 nla_put_failure:
bc3ed28c
TG		 2410 genlmsg_cancel(msg, hdr);
2411 return -EMSGSIZE;
55682965
JB		 2412}
2413
2414static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb)
2415{
2416 int wp_idx = 0;
2417 int if_idx = 0;
2418 int wp_start = cb->args[0];
2419 int if_start = cb->args[1];
f5ea9120 2420 struct cfg80211_registered_device *rdev;
55682965
JB		 2421 struct wireless_dev *wdev;
2422
5fe231e8 2423 rtnl_lock();
f5ea9120
JB		 2424 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
2425 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
463d0183 2426 continue;
bba95fef
JB		 2427 if (wp_idx < wp_start) {
2428 wp_idx++;
55682965 2429 continue;
bba95fef 2430 }
55682965
JB		 2431 if_idx = 0;
2432
89a54e48 2433 list_for_each_entry(wdev, &rdev->wdev_list, list) {
bba95fef
JB		 2434 if (if_idx < if_start) {
2435 if_idx++;
55682965 2436 continue;
bba95fef 2437 }
15e47304 2438 if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid,
55682965 2439 cb->nlh->nlmsg_seq, NLM_F_MULTI,
8f894be2 2440 rdev, wdev, false) < 0) {
bba95fef
JB		 2441 goto out;
2442 }
2443 if_idx++;
55682965 2444 }
bba95fef
JB		 2445
2446 wp_idx++;
55682965 2447 }
bba95fef 2448 out:
5fe231e8 2449 rtnl_unlock();
55682965
JB		 2450
2451 cb->args[0] = wp_idx;
2452 cb->args[1] = if_idx;
2453
2454 return skb->len;
2455}
2456
2457static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info)
2458{
2459 struct sk_buff *msg;
1b8ec87a 2460 struct cfg80211_registered_device *rdev = info->user_ptr[0];
72fb2abc 2461 struct wireless_dev *wdev = info->user_ptr[1];
55682965 2462
fd2120ca 2463 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
55682965 2464 if (!msg)
4c476991 2465 return -ENOMEM;
55682965 2466
15e47304 2467 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
8f894be2 2468 rdev, wdev, false) < 0) {
4c476991
JB		 2469 nlmsg_free(msg);
2470 return -ENOBUFS;
2471 }
55682965 2472
134e6375 2473 return genlmsg_reply(msg, info);
55682965
JB		 2474}
2475
66f7ac50
MW		 2476static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = {
2477 [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG },
2478 [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG },
2479 [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG },
2480 [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG },
2481 [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG },
e057d3c3 2482 [NL80211_MNTR_FLAG_ACTIVE] = { .type = NLA_FLAG },
66f7ac50
MW		 2483};
2484
2485static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags)
2486{
2487 struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1];
2488 int flag;
2489
2490 *mntrflags = 0;
2491
2492 if (!nla)
2493 return -EINVAL;
2494
2495 if (nla_parse_nested(flags, NL80211_MNTR_FLAG_MAX,
2496 nla, mntr_flags_policy))
2497 return -EINVAL;
2498
2499 for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++)
2500 if (flags[flag])
2501 *mntrflags |= (1<<flag);
2502
2503 return 0;
2504}
2505
9bc383de 2506static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev,
ad4bb6f8
JB		 2507 struct net_device *netdev, u8 use_4addr,
2508 enum nl80211_iftype iftype)
9bc383de 2509{
ad4bb6f8 2510 if (!use_4addr) {
f350a0a8 2511 if (netdev && (netdev->priv_flags & IFF_BRIDGE_PORT))
ad4bb6f8 2512 return -EBUSY;
9bc383de 2513 return 0;
ad4bb6f8 2514 }
9bc383de
JB		 2515
2516 switch (iftype) {
2517 case NL80211_IFTYPE_AP_VLAN:
2518 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP)
2519 return 0;
2520 break;
2521 case NL80211_IFTYPE_STATION:
2522 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION)
2523 return 0;
2524 break;
2525 default:
2526 break;
2527 }
2528
2529 return -EOPNOTSUPP;
2530}
2531
55682965
JB		 2532static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
2533{
4c476991 2534 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2ec600d6 2535 struct vif_params params;
e36d56b6 2536 int err;
04a773ad 2537 enum nl80211_iftype otype, ntype;
4c476991 2538 struct net_device *dev = info->user_ptr[1];
92ffe055 2539 u32 _flags, *flags = NULL;
ac7f9cfa 2540 bool change = false;
55682965 2541
2ec600d6
LCC		 2542 memset(&params, 0, sizeof(params));
2543
04a773ad 2544 otype = ntype = dev->ieee80211_ptr->iftype;
55682965 2545
723b038d 2546 if (info->attrs[NL80211_ATTR_IFTYPE]) {
ac7f9cfa 2547 ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
04a773ad 2548 if (otype != ntype)
ac7f9cfa 2549 change = true;
4c476991
JB		 2550 if (ntype > NL80211_IFTYPE_MAX)
2551 return -EINVAL;
723b038d
JB		 2552 }
2553
92ffe055 2554 if (info->attrs[NL80211_ATTR_MESH_ID]) {
29cbe68c
JB		 2555 struct wireless_dev *wdev = dev->ieee80211_ptr;
2556
4c476991
JB		 2557 if (ntype != NL80211_IFTYPE_MESH_POINT)
2558 return -EINVAL;
29cbe68c
JB		 2559 if (netif_running(dev))
2560 return -EBUSY;
2561
2562 wdev_lock(wdev);
2563 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
2564 IEEE80211_MAX_MESH_ID_LEN);
2565 wdev->mesh_id_up_len =
2566 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
2567 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
2568 wdev->mesh_id_up_len);
2569 wdev_unlock(wdev);
2ec600d6
LCC		 2570 }
2571
8b787643
FF		 2572 if (info->attrs[NL80211_ATTR_4ADDR]) {
2573 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
2574 change = true;
ad4bb6f8 2575 err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype);
9bc383de 2576 if (err)
4c476991 2577 return err;
8b787643
FF		 2578 } else {
2579 params.use_4addr = -1;
2580 }
2581
92ffe055 2582 if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) {
4c476991
JB		 2583 if (ntype != NL80211_IFTYPE_MONITOR)
2584 return -EINVAL;
92ffe055
JB		 2585 err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS],
2586 &_flags);
ac7f9cfa 2587 if (err)
4c476991 2588 return err;
ac7f9cfa
JB		 2589
2590 flags = &_flags;
2591 change = true;
92ffe055 2592 }
3b85875a 2593
18003297 2594 if (flags && (*flags & MONITOR_FLAG_ACTIVE) &&
e057d3c3
FF		 2595 !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR))
2596 return -EOPNOTSUPP;
2597
ac7f9cfa 2598 if (change)
3d54d255 2599 err = cfg80211_change_iface(rdev, dev, ntype, flags, &params);
ac7f9cfa
JB		 2600 else
2601 err = 0;
60719ffd 2602
9bc383de
JB		 2603 if (!err && params.use_4addr != -1)
2604 dev->ieee80211_ptr->use_4addr = params.use_4addr;
2605
55682965
JB		 2606 return err;
2607}
2608
2609static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
2610{
4c476991 2611 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2ec600d6 2612 struct vif_params params;
84efbb84 2613 struct wireless_dev *wdev;
8f894be2 2614 struct sk_buff *msg, *event;
55682965
JB		 2615 int err;
2616 enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED;
66f7ac50 2617 u32 flags;
55682965 2618
78f22b6a
JB		 2619 /* to avoid failing a new interface creation due to pending removal */
2620 cfg80211_destroy_ifaces(rdev);
2621
2ec600d6
LCC		 2622 memset(&params, 0, sizeof(params));
2623
55682965
JB		 2624 if (!info->attrs[NL80211_ATTR_IFNAME])
2625 return -EINVAL;
2626
2627 if (info->attrs[NL80211_ATTR_IFTYPE]) {
2628 type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
2629 if (type > NL80211_IFTYPE_MAX)
2630 return -EINVAL;
2631 }
2632
79c97e97 2633 if (!rdev->ops->add_virtual_intf ||
4c476991
JB		 2634 !(rdev->wiphy.interface_modes & (1 << type)))
2635 return -EOPNOTSUPP;
55682965 2636
e8f479b1
BG		 2637 if ((type == NL80211_IFTYPE_P2P_DEVICE ||
2638 rdev->wiphy.features & NL80211_FEATURE_MAC_ON_CREATE) &&
2639 info->attrs[NL80211_ATTR_MAC]) {
1c18f145
AS		 2640 nla_memcpy(params.macaddr, info->attrs[NL80211_ATTR_MAC],
2641 ETH_ALEN);
2642 if (!is_valid_ether_addr(params.macaddr))
2643 return -EADDRNOTAVAIL;
2644 }
2645
9bc383de 2646 if (info->attrs[NL80211_ATTR_4ADDR]) {
8b787643 2647 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
ad4bb6f8 2648 err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type);
9bc383de 2649 if (err)
4c476991 2650 return err;
9bc383de 2651 }
8b787643 2652
1c90f9d4
JB		 2653 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
2654 if (!msg)
2655 return -ENOMEM;
2656
66f7ac50
MW		 2657 err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ?
2658 info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL,
2659 &flags);
e057d3c3 2660
18003297 2661 if (!err && (flags & MONITOR_FLAG_ACTIVE) &&
e057d3c3
FF		 2662 !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR))
2663 return -EOPNOTSUPP;
2664
e35e4d28
HG		 2665 wdev = rdev_add_virtual_intf(rdev,
2666 nla_data(info->attrs[NL80211_ATTR_IFNAME]),
2667 type, err ? NULL : &flags, &params);
d687cbb7
RM		 2668 if (WARN_ON(!wdev)) {
2669 nlmsg_free(msg);
2670 return -EPROTO;
2671 } else if (IS_ERR(wdev)) {
1c90f9d4 2672 nlmsg_free(msg);
84efbb84 2673 return PTR_ERR(wdev);
1c90f9d4 2674 }
2ec600d6 2675
18e5ca65 2676 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
78f22b6a
JB		 2677 wdev->owner_nlportid = info->snd_portid;
2678
98104fde
JB		 2679 switch (type) {
2680 case NL80211_IFTYPE_MESH_POINT:
2681 if (!info->attrs[NL80211_ATTR_MESH_ID])
2682 break;
29cbe68c
JB		 2683 wdev_lock(wdev);
2684 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
2685 IEEE80211_MAX_MESH_ID_LEN);
2686 wdev->mesh_id_up_len =
2687 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
2688 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
2689 wdev->mesh_id_up_len);
2690 wdev_unlock(wdev);
98104fde
JB		 2691 break;
2692 case NL80211_IFTYPE_P2P_DEVICE:
2693 /*
2694 * P2P Device doesn't have a netdev, so doesn't go
2695 * through the netdev notifier and must be added here
2696 */
2697 mutex_init(&wdev->mtx);
2698 INIT_LIST_HEAD(&wdev->event_list);
2699 spin_lock_init(&wdev->event_lock);
2700 INIT_LIST_HEAD(&wdev->mgmt_registrations);
2701 spin_lock_init(&wdev->mgmt_registrations_lock);
2702
98104fde
JB		 2703 wdev->identifier = ++rdev->wdev_id;
2704 list_add_rcu(&wdev->list, &rdev->wdev_list);
2705 rdev->devlist_generation++;
98104fde
JB		 2706 break;
2707 default:
2708 break;
29cbe68c
JB		 2709 }
2710
15e47304 2711 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
8f894be2 2712 rdev, wdev, false) < 0) {
1c90f9d4
JB		 2713 nlmsg_free(msg);
2714 return -ENOBUFS;
2715 }
2716
8f894be2
TB		 2717 event = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
2718 if (event) {
2719 if (nl80211_send_iface(event, 0, 0, 0,
2720 rdev, wdev, false) < 0) {
2721 nlmsg_free(event);
2722 goto out;
2723 }
2724
2725 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
2726 event, 0, NL80211_MCGRP_CONFIG,
2727 GFP_KERNEL);
2728 }
2729
2730out:
1c90f9d4 2731 return genlmsg_reply(msg, info);
55682965
JB		 2732}
2733
2734static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info)
2735{
4c476991 2736 struct cfg80211_registered_device *rdev = info->user_ptr[0];
84efbb84 2737 struct wireless_dev *wdev = info->user_ptr[1];
8f894be2
TB		 2738 struct sk_buff *msg;
2739 int status;
55682965 2740
4c476991
JB		 2741 if (!rdev->ops->del_virtual_intf)
2742 return -EOPNOTSUPP;
55682965 2743
8f894be2
TB		 2744 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
2745 if (msg && nl80211_send_iface(msg, 0, 0, 0, rdev, wdev, true) < 0) {
2746 nlmsg_free(msg);
2747 msg = NULL;
2748 }
2749
84efbb84
JB		 2750 /*
2751 * If we remove a wireless device without a netdev then clear
2752 * user_ptr[1] so that nl80211_post_doit won't dereference it
2753 * to check if it needs to do dev_put(). Otherwise it crashes
2754 * since the wdev has been freed, unlike with a netdev where
2755 * we need the dev_put() for the netdev to really be freed.
2756 */
2757 if (!wdev->netdev)
2758 info->user_ptr[1] = NULL;
2759
8f894be2
TB		 2760 status = rdev_del_virtual_intf(rdev, wdev);
2761 if (status >= 0 && msg)
2762 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
2763 msg, 0, NL80211_MCGRP_CONFIG,
2764 GFP_KERNEL);
2765 else
2766 nlmsg_free(msg);
2767
2768 return status;
55682965
JB		 2769}
2770
1d9d9213
SW		 2771static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info)
2772{
2773 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2774 struct net_device *dev = info->user_ptr[1];
2775 u16 noack_map;
2776
2777 if (!info->attrs[NL80211_ATTR_NOACK_MAP])
2778 return -EINVAL;
2779
2780 if (!rdev->ops->set_noack_map)
2781 return -EOPNOTSUPP;
2782
2783 noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]);
2784
e35e4d28 2785 return rdev_set_noack_map(rdev, dev, noack_map);
1d9d9213
SW		 2786}
2787
41ade00f
JB		 2788struct get_key_cookie {
2789 struct sk_buff *msg;
2790 int error;
b9454e83 2791 int idx;
41ade00f
JB		 2792};
2793
2794static void get_key_callback(void *c, struct key_params *params)
2795{
b9454e83 2796 struct nlattr *key;
41ade00f
JB		 2797 struct get_key_cookie *cookie = c;
2798
9360ffd1
DM		 2799 if ((params->key &&
2800 nla_put(cookie->msg, NL80211_ATTR_KEY_DATA,
2801 params->key_len, params->key)) ||
2802 (params->seq &&
2803 nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ,
2804 params->seq_len, params->seq)) ||
2805 (params->cipher &&
2806 nla_put_u32(cookie->msg, NL80211_ATTR_KEY_CIPHER,
2807 params->cipher)))
2808 goto nla_put_failure;
41ade00f 2809
b9454e83
JB		 2810 key = nla_nest_start(cookie->msg, NL80211_ATTR_KEY);
2811 if (!key)
2812 goto nla_put_failure;
2813
9360ffd1
DM		 2814 if ((params->key &&
2815 nla_put(cookie->msg, NL80211_KEY_DATA,
2816 params->key_len, params->key)) ||
2817 (params->seq &&
2818 nla_put(cookie->msg, NL80211_KEY_SEQ,
2819 params->seq_len, params->seq)) ||
2820 (params->cipher &&
2821 nla_put_u32(cookie->msg, NL80211_KEY_CIPHER,
2822 params->cipher)))
2823 goto nla_put_failure;
b9454e83 2824
9360ffd1
DM		 2825 if (nla_put_u8(cookie->msg, NL80211_ATTR_KEY_IDX, cookie->idx))
2826 goto nla_put_failure;
b9454e83
JB		 2827
2828 nla_nest_end(cookie->msg, key);
2829
41ade00f
JB		 2830 return;
2831 nla_put_failure:
2832 cookie->error = 1;
2833}
2834
2835static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info)
2836{
4c476991 2837 struct cfg80211_registered_device *rdev = info->user_ptr[0];
41ade00f 2838 int err;
4c476991 2839 struct net_device *dev = info->user_ptr[1];
41ade00f 2840 u8 key_idx = 0;
e31b8213
JB		 2841 const u8 *mac_addr = NULL;
2842 bool pairwise;
41ade00f
JB		 2843 struct get_key_cookie cookie = {
2844 .error = 0,
2845 };
2846 void *hdr;
2847 struct sk_buff *msg;
2848
2849 if (info->attrs[NL80211_ATTR_KEY_IDX])
2850 key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
2851
3cfcf6ac 2852 if (key_idx > 5)
41ade00f
JB		 2853 return -EINVAL;
2854
2855 if (info->attrs[NL80211_ATTR_MAC])
2856 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
2857
e31b8213
JB		 2858 pairwise = !!mac_addr;
2859 if (info->attrs[NL80211_ATTR_KEY_TYPE]) {
2860 u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
2861 if (kt >= NUM_NL80211_KEYTYPES)
2862 return -EINVAL;
2863 if (kt != NL80211_KEYTYPE_GROUP &&
2864 kt != NL80211_KEYTYPE_PAIRWISE)
2865 return -EINVAL;
2866 pairwise = kt == NL80211_KEYTYPE_PAIRWISE;
2867 }
2868
4c476991
JB		 2869 if (!rdev->ops->get_key)
2870 return -EOPNOTSUPP;
41ade00f 2871
fd2120ca 2872 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4c476991
JB		 2873 if (!msg)
2874 return -ENOMEM;
41ade00f 2875
15e47304 2876 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
41ade00f 2877 NL80211_CMD_NEW_KEY);
cb35fba3 2878 if (!hdr)
9fe271af 2879 goto nla_put_failure;
41ade00f
JB		 2880
2881 cookie.msg = msg;
b9454e83 2882 cookie.idx = key_idx;
41ade00f 2883
9360ffd1
DM		 2884 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
2885 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx))
2886 goto nla_put_failure;
2887 if (mac_addr &&
2888 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr))
2889 goto nla_put_failure;
41ade00f 2890
e31b8213
JB		 2891 if (pairwise && mac_addr &&
2892 !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
2893 return -ENOENT;
2894
e35e4d28
HG		 2895 err = rdev_get_key(rdev, dev, key_idx, pairwise, mac_addr, &cookie,
2896 get_key_callback);
41ade00f
JB		 2897
2898 if (err)
6c95e2a2 2899 goto free_msg;
41ade00f
JB		 2900
2901 if (cookie.error)
2902 goto nla_put_failure;
2903
2904 genlmsg_end(msg, hdr);
4c476991 2905 return genlmsg_reply(msg, info);
41ade00f
JB		 2906
2907 nla_put_failure:
2908 err = -ENOBUFS;
6c95e2a2 2909 free_msg:
41ade00f 2910 nlmsg_free(msg);
41ade00f
JB		 2911 return err;
2912}
2913
2914static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info)
2915{
4c476991 2916 struct cfg80211_registered_device *rdev = info->user_ptr[0];
b9454e83 2917 struct key_parse key;
41ade00f 2918 int err;
4c476991 2919 struct net_device *dev = info->user_ptr[1];
41ade00f 2920
b9454e83
JB		 2921 err = nl80211_parse_key(info, &key);
2922 if (err)
2923 return err;
41ade00f 2924
b9454e83 2925 if (key.idx < 0)
41ade00f
JB		 2926 return -EINVAL;
2927
b9454e83
JB		 2928 /* only support setting default key */
2929 if (!key.def && !key.defmgmt)
41ade00f
JB		 2930 return -EINVAL;
2931
dbd2fd65 2932 wdev_lock(dev->ieee80211_ptr);
3cfcf6ac 2933
dbd2fd65
JB		 2934 if (key.def) {
2935 if (!rdev->ops->set_default_key) {
2936 err = -EOPNOTSUPP;
2937 goto out;
2938 }
41ade00f 2939
dbd2fd65
JB		 2940 err = nl80211_key_allowed(dev->ieee80211_ptr);
2941 if (err)
2942 goto out;
2943
e35e4d28 2944 err = rdev_set_default_key(rdev, dev, key.idx,
dbd2fd65
JB		 2945 key.def_uni, key.def_multi);
2946
2947 if (err)
2948 goto out;
fffd0934 2949
3d23e349 2950#ifdef CONFIG_CFG80211_WEXT
dbd2fd65
JB		 2951 dev->ieee80211_ptr->wext.default_key = key.idx;
2952#endif
2953 } else {
2954 if (key.def_uni || !key.def_multi) {
2955 err = -EINVAL;
2956 goto out;
2957 }
2958
2959 if (!rdev->ops->set_default_mgmt_key) {
2960 err = -EOPNOTSUPP;
2961 goto out;
2962 }
2963
2964 err = nl80211_key_allowed(dev->ieee80211_ptr);
2965 if (err)
2966 goto out;
2967
e35e4d28 2968 err = rdev_set_default_mgmt_key(rdev, dev, key.idx);
dbd2fd65
JB		 2969 if (err)
2970 goto out;
2971
2972#ifdef CONFIG_CFG80211_WEXT
2973 dev->ieee80211_ptr->wext.default_mgmt_key = key.idx;
08645126 2974#endif
dbd2fd65
JB		 2975 }
2976
2977 out:
fffd0934 2978 wdev_unlock(dev->ieee80211_ptr);
41ade00f 2979
41ade00f
JB		 2980 return err;
2981}
2982
2983static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info)
2984{
4c476991 2985 struct cfg80211_registered_device *rdev = info->user_ptr[0];
fffd0934 2986 int err;
4c476991 2987 struct net_device *dev = info->user_ptr[1];
b9454e83 2988 struct key_parse key;
e31b8213 2989 const u8 *mac_addr = NULL;
41ade00f 2990
b9454e83
JB		 2991 err = nl80211_parse_key(info, &key);
2992 if (err)
2993 return err;
41ade00f 2994
b9454e83 2995 if (!key.p.key)
41ade00f
JB		 2996 return -EINVAL;
2997
41ade00f
JB		 2998 if (info->attrs[NL80211_ATTR_MAC])
2999 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3000
e31b8213
JB		 3001 if (key.type == -1) {
3002 if (mac_addr)
3003 key.type = NL80211_KEYTYPE_PAIRWISE;
3004 else
3005 key.type = NL80211_KEYTYPE_GROUP;
3006 }
3007
3008 /* for now */
3009 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
3010 key.type != NL80211_KEYTYPE_GROUP)
3011 return -EINVAL;
3012
4c476991
JB		 3013 if (!rdev->ops->add_key)
3014 return -EOPNOTSUPP;
25e47c18 3015
e31b8213
JB		 3016 if (cfg80211_validate_key_settings(rdev, &key.p, key.idx,
3017 key.type == NL80211_KEYTYPE_PAIRWISE,
3018 mac_addr))
4c476991 3019 return -EINVAL;
41ade00f 3020
fffd0934
JB		 3021 wdev_lock(dev->ieee80211_ptr);
3022 err = nl80211_key_allowed(dev->ieee80211_ptr);
3023 if (!err)
e35e4d28
HG		 3024 err = rdev_add_key(rdev, dev, key.idx,
3025 key.type == NL80211_KEYTYPE_PAIRWISE,
3026 mac_addr, &key.p);
fffd0934 3027 wdev_unlock(dev->ieee80211_ptr);
41ade00f 3028
41ade00f
JB		 3029 return err;
3030}
3031
3032static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
3033{
4c476991 3034 struct cfg80211_registered_device *rdev = info->user_ptr[0];
41ade00f 3035 int err;
4c476991 3036 struct net_device *dev = info->user_ptr[1];
41ade00f 3037 u8 *mac_addr = NULL;
b9454e83 3038 struct key_parse key;
41ade00f 3039
b9454e83
JB		 3040 err = nl80211_parse_key(info, &key);
3041 if (err)
3042 return err;
41ade00f
JB		 3043
3044 if (info->attrs[NL80211_ATTR_MAC])
3045 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3046
e31b8213
JB		 3047 if (key.type == -1) {
3048 if (mac_addr)
3049 key.type = NL80211_KEYTYPE_PAIRWISE;
3050 else
3051 key.type = NL80211_KEYTYPE_GROUP;
3052 }
3053
3054 /* for now */
3055 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
3056 key.type != NL80211_KEYTYPE_GROUP)
3057 return -EINVAL;
3058
4c476991
JB		 3059 if (!rdev->ops->del_key)
3060 return -EOPNOTSUPP;
41ade00f 3061
fffd0934
JB		 3062 wdev_lock(dev->ieee80211_ptr);
3063 err = nl80211_key_allowed(dev->ieee80211_ptr);
e31b8213
JB		 3064
3065 if (key.type == NL80211_KEYTYPE_PAIRWISE && mac_addr &&
3066 !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
3067 err = -ENOENT;
3068
fffd0934 3069 if (!err)
e35e4d28
HG		 3070 err = rdev_del_key(rdev, dev, key.idx,
3071 key.type == NL80211_KEYTYPE_PAIRWISE,
3072 mac_addr);
41ade00f 3073
3d23e349 3074#ifdef CONFIG_CFG80211_WEXT
08645126 3075 if (!err) {
b9454e83 3076 if (key.idx == dev->ieee80211_ptr->wext.default_key)
08645126 3077 dev->ieee80211_ptr->wext.default_key = -1;
b9454e83 3078 else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key)
08645126
JB		 3079 dev->ieee80211_ptr->wext.default_mgmt_key = -1;
3080 }
3081#endif
fffd0934 3082 wdev_unlock(dev->ieee80211_ptr);
08645126 3083
41ade00f
JB		 3084 return err;
3085}
3086
77765eaf
VT		 3087/* This function returns an error or the number of nested attributes */
3088static int validate_acl_mac_addrs(struct nlattr *nl_attr)
3089{
3090 struct nlattr *attr;
3091 int n_entries = 0, tmp;
3092
3093 nla_for_each_nested(attr, nl_attr, tmp) {
3094 if (nla_len(attr) != ETH_ALEN)
3095 return -EINVAL;
3096
3097 n_entries++;
3098 }
3099
3100 return n_entries;
3101}
3102
3103/*
3104 * This function parses ACL information and allocates memory for ACL data.
3105 * On successful return, the calling function is responsible to free the
3106 * ACL buffer returned by this function.
3107 */
3108static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy,
3109 struct genl_info *info)
3110{
3111 enum nl80211_acl_policy acl_policy;
3112 struct nlattr *attr;
3113 struct cfg80211_acl_data *acl;
3114 int i = 0, n_entries, tmp;
3115
3116 if (!wiphy->max_acl_mac_addrs)
3117 return ERR_PTR(-EOPNOTSUPP);
3118
3119 if (!info->attrs[NL80211_ATTR_ACL_POLICY])
3120 return ERR_PTR(-EINVAL);
3121
3122 acl_policy = nla_get_u32(info->attrs[NL80211_ATTR_ACL_POLICY]);
3123 if (acl_policy != NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED &&
3124 acl_policy != NL80211_ACL_POLICY_DENY_UNLESS_LISTED)
3125 return ERR_PTR(-EINVAL);
3126
3127 if (!info->attrs[NL80211_ATTR_MAC_ADDRS])
3128 return ERR_PTR(-EINVAL);
3129
3130 n_entries = validate_acl_mac_addrs(info->attrs[NL80211_ATTR_MAC_ADDRS]);
3131 if (n_entries < 0)
3132 return ERR_PTR(n_entries);
3133
3134 if (n_entries > wiphy->max_acl_mac_addrs)
3135 return ERR_PTR(-ENOTSUPP);
3136
3137 acl = kzalloc(sizeof(*acl) + (sizeof(struct mac_address) * n_entries),
3138 GFP_KERNEL);
3139 if (!acl)
3140 return ERR_PTR(-ENOMEM);
3141
3142 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_MAC_ADDRS], tmp) {
3143 memcpy(acl->mac_addrs[i].addr, nla_data(attr), ETH_ALEN);
3144 i++;
3145 }
3146
3147 acl->n_acl_entries = n_entries;
3148 acl->acl_policy = acl_policy;
3149
3150 return acl;
3151}
3152
3153static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info)
3154{
3155 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3156 struct net_device *dev = info->user_ptr[1];
3157 struct cfg80211_acl_data *acl;
3158 int err;
3159
3160 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
3161 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
3162 return -EOPNOTSUPP;
3163
3164 if (!dev->ieee80211_ptr->beacon_interval)
3165 return -EINVAL;
3166
3167 acl = parse_acl_data(&rdev->wiphy, info);
3168 if (IS_ERR(acl))
3169 return PTR_ERR(acl);
3170
3171 err = rdev_set_mac_acl(rdev, dev, acl);
3172
3173 kfree(acl);
3174
3175 return err;
3176}
3177
a1193be8 3178static int nl80211_parse_beacon(struct nlattr *attrs[],
8860020e 3179 struct cfg80211_beacon_data *bcn)
ed1b6cc7 3180{
8860020e 3181 bool haveinfo = false;
ed1b6cc7 3182
a1193be8
SW		 3183 if (!is_valid_ie_attr(attrs[NL80211_ATTR_BEACON_TAIL]) ||
3184 !is_valid_ie_attr(attrs[NL80211_ATTR_IE]) ||
3185 !is_valid_ie_attr(attrs[NL80211_ATTR_IE_PROBE_RESP]) ||
3186 !is_valid_ie_attr(attrs[NL80211_ATTR_IE_ASSOC_RESP]))
f4a11bb0
JB		 3187 return -EINVAL;
3188
8860020e 3189 memset(bcn, 0, sizeof(*bcn));
ed1b6cc7 3190
a1193be8
SW		 3191 if (attrs[NL80211_ATTR_BEACON_HEAD]) {
3192 bcn->head = nla_data(attrs[NL80211_ATTR_BEACON_HEAD]);
3193 bcn->head_len = nla_len(attrs[NL80211_ATTR_BEACON_HEAD]);
8860020e
JB		 3194 if (!bcn->head_len)
3195 return -EINVAL;
3196 haveinfo = true;
ed1b6cc7
JB		 3197 }
3198
a1193be8
SW		 3199 if (attrs[NL80211_ATTR_BEACON_TAIL]) {
3200 bcn->tail = nla_data(attrs[NL80211_ATTR_BEACON_TAIL]);
3201 bcn->tail_len = nla_len(attrs[NL80211_ATTR_BEACON_TAIL]);
8860020e 3202 haveinfo = true;
ed1b6cc7
JB		 3203 }
3204
4c476991
JB		 3205 if (!haveinfo)
3206 return -EINVAL;
3b85875a 3207
a1193be8
SW		 3208 if (attrs[NL80211_ATTR_IE]) {
3209 bcn->beacon_ies = nla_data(attrs[NL80211_ATTR_IE]);
3210 bcn->beacon_ies_len = nla_len(attrs[NL80211_ATTR_IE]);
9946ecfb
JM		 3211 }
3212
a1193be8 3213 if (attrs[NL80211_ATTR_IE_PROBE_RESP]) {
8860020e 3214 bcn->proberesp_ies =
a1193be8 3215 nla_data(attrs[NL80211_ATTR_IE_PROBE_RESP]);
8860020e 3216 bcn->proberesp_ies_len =
a1193be8 3217 nla_len(attrs[NL80211_ATTR_IE_PROBE_RESP]);
9946ecfb
JM		 3218 }
3219
a1193be8 3220 if (attrs[NL80211_ATTR_IE_ASSOC_RESP]) {
8860020e 3221 bcn->assocresp_ies =
a1193be8 3222 nla_data(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
8860020e 3223 bcn->assocresp_ies_len =
a1193be8 3224 nla_len(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
9946ecfb
JM		 3225 }
3226
a1193be8
SW		 3227 if (attrs[NL80211_ATTR_PROBE_RESP]) {
3228 bcn->probe_resp = nla_data(attrs[NL80211_ATTR_PROBE_RESP]);
3229 bcn->probe_resp_len = nla_len(attrs[NL80211_ATTR_PROBE_RESP]);
00f740e1
AN		 3230 }
3231
8860020e
JB		 3232 return 0;
3233}
3234
46c1dd0c
FF		 3235static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev,
3236 struct cfg80211_ap_settings *params)
3237{
3238 struct wireless_dev *wdev;
3239 bool ret = false;
3240
89a54e48 3241 list_for_each_entry(wdev, &rdev->wdev_list, list) {
46c1dd0c
FF		 3242 if (wdev->iftype != NL80211_IFTYPE_AP &&
3243 wdev->iftype != NL80211_IFTYPE_P2P_GO)
3244 continue;
3245
683b6d3b 3246 if (!wdev->preset_chandef.chan)
46c1dd0c
FF		 3247 continue;
3248
683b6d3b 3249 params->chandef = wdev->preset_chandef;
46c1dd0c
FF		 3250 ret = true;
3251 break;
3252 }
3253
46c1dd0c
FF		 3254 return ret;
3255}
3256
e39e5b5e
JM		 3257static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev,
3258 enum nl80211_auth_type auth_type,
3259 enum nl80211_commands cmd)
3260{
3261 if (auth_type > NL80211_AUTHTYPE_MAX)
3262 return false;
3263
3264 switch (cmd) {
3265 case NL80211_CMD_AUTHENTICATE:
3266 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
3267 auth_type == NL80211_AUTHTYPE_SAE)
3268 return false;
3269 return true;
3270 case NL80211_CMD_CONNECT:
3271 case NL80211_CMD_START_AP:
3272 /* SAE not supported yet */
3273 if (auth_type == NL80211_AUTHTYPE_SAE)
3274 return false;
3275 return true;
3276 default:
3277 return false;
3278 }
3279}
3280
8860020e
JB		 3281static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
3282{
3283 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3284 struct net_device *dev = info->user_ptr[1];
3285 struct wireless_dev *wdev = dev->ieee80211_ptr;
3286 struct cfg80211_ap_settings params;
3287 int err;
3288
3289 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
3290 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
3291 return -EOPNOTSUPP;
3292
3293 if (!rdev->ops->start_ap)
3294 return -EOPNOTSUPP;
3295
3296 if (wdev->beacon_interval)
3297 return -EALREADY;
3298
3299 memset(&params, 0, sizeof(params));
3300
3301 /* these are required for START_AP */
3302 if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] ||
3303 !info->attrs[NL80211_ATTR_DTIM_PERIOD] ||
3304 !info->attrs[NL80211_ATTR_BEACON_HEAD])
3305 return -EINVAL;
3306
a1193be8 3307 err = nl80211_parse_beacon(info->attrs, &params.beacon);
8860020e
JB		 3308 if (err)
3309 return err;
3310
3311 params.beacon_interval =
3312 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
3313 params.dtim_period =
3314 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
3315
3316 err = cfg80211_validate_beacon_int(rdev, params.beacon_interval);
3317 if (err)
3318 return err;
3319
3320 /*
3321 * In theory, some of these attributes should be required here
3322 * but since they were not used when the command was originally
3323 * added, keep them optional for old user space programs to let
3324 * them continue to work with drivers that do not need the
3325 * additional information -- drivers must check!
3326 */
3327 if (info->attrs[NL80211_ATTR_SSID]) {
3328 params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
3329 params.ssid_len =
3330 nla_len(info->attrs[NL80211_ATTR_SSID]);
3331 if (params.ssid_len == 0 ||
3332 params.ssid_len > IEEE80211_MAX_SSID_LEN)
3333 return -EINVAL;
3334 }
3335
3336 if (info->attrs[NL80211_ATTR_HIDDEN_SSID]) {
3337 params.hidden_ssid = nla_get_u32(
3338 info->attrs[NL80211_ATTR_HIDDEN_SSID]);
3339 if (params.hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE &&
3340 params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_LEN &&
3341 params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_CONTENTS)
3342 return -EINVAL;
3343 }
3344
3345 params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
3346
3347 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
3348 params.auth_type = nla_get_u32(
3349 info->attrs[NL80211_ATTR_AUTH_TYPE]);
e39e5b5e
JM		 3350 if (!nl80211_valid_auth_type(rdev, params.auth_type,
3351 NL80211_CMD_START_AP))
8860020e
JB		 3352 return -EINVAL;
3353 } else
3354 params.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
3355
3356 err = nl80211_crypto_settings(rdev, info, &params.crypto,
3357 NL80211_MAX_NR_CIPHER_SUITES);
3358 if (err)
3359 return err;
3360
1b658f11
VT		 3361 if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) {
3362 if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER))
3363 return -EOPNOTSUPP;
3364 params.inactivity_timeout = nla_get_u16(
3365 info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]);
3366 }
3367
53cabad7
JB		 3368 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
3369 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
3370 return -EINVAL;
3371 params.p2p_ctwindow =
3372 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
3373 if (params.p2p_ctwindow > 127)
3374 return -EINVAL;
3375 if (params.p2p_ctwindow != 0 &&
3376 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
3377 return -EINVAL;
3378 }
3379
3380 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
3381 u8 tmp;
3382
3383 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
3384 return -EINVAL;
3385 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
3386 if (tmp > 1)
3387 return -EINVAL;
3388 params.p2p_opp_ps = tmp;
3389 if (params.p2p_opp_ps != 0 &&
3390 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
3391 return -EINVAL;
3392 }
3393
aa430da4 3394 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
683b6d3b
JB		 3395 err = nl80211_parse_chandef(rdev, info, &params.chandef);
3396 if (err)
3397 return err;
3398 } else if (wdev->preset_chandef.chan) {
3399 params.chandef = wdev->preset_chandef;
46c1dd0c 3400 } else if (!nl80211_get_ap_channel(rdev, &params))
aa430da4
JB		 3401 return -EINVAL;
3402
174e0cd2
IP		 3403 if (!cfg80211_reg_can_beacon(&rdev->wiphy, &params.chandef,
3404 wdev->iftype))
aa430da4
JB		 3405 return -EINVAL;
3406
77765eaf
VT		 3407 if (info->attrs[NL80211_ATTR_ACL_POLICY]) {
3408 params.acl = parse_acl_data(&rdev->wiphy, info);
3409 if (IS_ERR(params.acl))
3410 return PTR_ERR(params.acl);
3411 }
3412
18998c38
EP		 3413 if (info->attrs[NL80211_ATTR_SMPS_MODE]) {
3414 params.smps_mode =
3415 nla_get_u8(info->attrs[NL80211_ATTR_SMPS_MODE]);
3416 switch (params.smps_mode) {
3417 case NL80211_SMPS_OFF:
3418 break;
3419 case NL80211_SMPS_STATIC:
3420 if (!(rdev->wiphy.features &
3421 NL80211_FEATURE_STATIC_SMPS))
3422 return -EINVAL;
3423 break;
3424 case NL80211_SMPS_DYNAMIC:
3425 if (!(rdev->wiphy.features &
3426 NL80211_FEATURE_DYNAMIC_SMPS))
3427 return -EINVAL;
3428 break;
3429 default:
3430 return -EINVAL;
3431 }
3432 } else {
3433 params.smps_mode = NL80211_SMPS_OFF;
3434 }
3435
c56589ed 3436 wdev_lock(wdev);
e35e4d28 3437 err = rdev_start_ap(rdev, dev, &params);
46c1dd0c 3438 if (!err) {
683b6d3b 3439 wdev->preset_chandef = params.chandef;
8860020e 3440 wdev->beacon_interval = params.beacon_interval;
9e0e2961 3441 wdev->chandef = params.chandef;
06e191e2
AQ		 3442 wdev->ssid_len = params.ssid_len;
3443 memcpy(wdev->ssid, params.ssid, wdev->ssid_len);
46c1dd0c 3444 }
c56589ed 3445 wdev_unlock(wdev);
77765eaf
VT		 3446
3447 kfree(params.acl);
3448
56d1893d 3449 return err;
ed1b6cc7
JB		 3450}
3451
8860020e
JB		 3452static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info)
3453{
3454 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3455 struct net_device *dev = info->user_ptr[1];
3456 struct wireless_dev *wdev = dev->ieee80211_ptr;
3457 struct cfg80211_beacon_data params;
3458 int err;
3459
3460 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
3461 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
3462 return -EOPNOTSUPP;
3463
3464 if (!rdev->ops->change_beacon)
3465 return -EOPNOTSUPP;
3466
3467 if (!wdev->beacon_interval)
3468 return -EINVAL;
3469
a1193be8 3470 err = nl80211_parse_beacon(info->attrs, &params);
8860020e
JB		 3471 if (err)
3472 return err;
3473
c56589ed
SW		 3474 wdev_lock(wdev);
3475 err = rdev_change_beacon(rdev, dev, &params);
3476 wdev_unlock(wdev);
3477
3478 return err;
8860020e
JB		 3479}
3480
3481static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info)
ed1b6cc7 3482{
4c476991
JB		 3483 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3484 struct net_device *dev = info->user_ptr[1];
ed1b6cc7 3485
7c8d5e03 3486 return cfg80211_stop_ap(rdev, dev, false);
ed1b6cc7
JB		 3487}
3488
5727ef1b
JB		 3489static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = {
3490 [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG },
3491 [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG },
3492 [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG },
0e46724a 3493 [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG },
b39c48fa 3494 [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG },
d83023da 3495 [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG },
5727ef1b
JB		 3496};
3497
eccb8e8f 3498static int parse_station_flags(struct genl_info *info,
bdd3ae3d 3499 enum nl80211_iftype iftype,
eccb8e8f 3500 struct station_parameters *params)
5727ef1b
JB		 3501{
3502 struct nlattr *flags[NL80211_STA_FLAG_MAX + 1];
eccb8e8f 3503 struct nlattr *nla;
5727ef1b
JB		 3504 int flag;
3505
eccb8e8f
JB		 3506 /*
3507 * Try parsing the new attribute first so userspace
3508 * can specify both for older kernels.
3509 */
3510 nla = info->attrs[NL80211_ATTR_STA_FLAGS2];
3511 if (nla) {
3512 struct nl80211_sta_flag_update *sta_flags;
3513
3514 sta_flags = nla_data(nla);
3515 params->sta_flags_mask = sta_flags->mask;
3516 params->sta_flags_set = sta_flags->set;
77ee7c89 3517 params->sta_flags_set &= params->sta_flags_mask;
eccb8e8f
JB		 3518 if ((params->sta_flags_mask |
3519 params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID))
3520 return -EINVAL;
3521 return 0;
3522 }
3523
3524 /* if present, parse the old attribute */
5727ef1b 3525
eccb8e8f 3526 nla = info->attrs[NL80211_ATTR_STA_FLAGS];
5727ef1b
JB		 3527 if (!nla)
3528 return 0;
3529
3530 if (nla_parse_nested(flags, NL80211_STA_FLAG_MAX,
3531 nla, sta_flags_policy))
3532 return -EINVAL;
3533
bdd3ae3d
JB		 3534 /*
3535 * Only allow certain flags for interface types so that
3536 * other attributes are silently ignored. Remember that
3537 * this is backward compatibility code with old userspace
3538 * and shouldn't be hit in other cases anyway.
3539 */
3540 switch (iftype) {
3541 case NL80211_IFTYPE_AP:
3542 case NL80211_IFTYPE_AP_VLAN:
3543 case NL80211_IFTYPE_P2P_GO:
3544 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
3545 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
3546 BIT(NL80211_STA_FLAG_WME) |
3547 BIT(NL80211_STA_FLAG_MFP);
3548 break;
3549 case NL80211_IFTYPE_P2P_CLIENT:
3550 case NL80211_IFTYPE_STATION:
3551 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
3552 BIT(NL80211_STA_FLAG_TDLS_PEER);
3553 break;
3554 case NL80211_IFTYPE_MESH_POINT:
3555 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
3556 BIT(NL80211_STA_FLAG_MFP) |
3557 BIT(NL80211_STA_FLAG_AUTHORIZED);
3558 default:
3559 return -EINVAL;
3560 }
5727ef1b 3561
3383b5a6
JB		 3562 for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) {
3563 if (flags[flag]) {
eccb8e8f 3564 params->sta_flags_set |= (1<<flag);
5727ef1b 3565
3383b5a6
JB		 3566 /* no longer support new API additions in old API */
3567 if (flag > NL80211_STA_FLAG_MAX_OLD_API)
3568 return -EINVAL;
3569 }
3570 }
3571
5727ef1b
JB		 3572 return 0;
3573}
3574
c8dcfd8a
FF		 3575static bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info,
3576 int attr)
3577{
3578 struct nlattr *rate;
8eb41c8d
VK		 3579 u32 bitrate;
3580 u16 bitrate_compat;
c8dcfd8a
FF		 3581
3582 rate = nla_nest_start(msg, attr);
3583 if (!rate)
db9c64cf 3584 return false;
c8dcfd8a
FF		 3585
3586 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
3587 bitrate = cfg80211_calculate_bitrate(info);
8eb41c8d
VK		 3588 /* report 16-bit bitrate only if we can */
3589 bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0;
db9c64cf
JB		 3590 if (bitrate > 0 &&
3591 nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate))
3592 return false;
3593 if (bitrate_compat > 0 &&
3594 nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat))
3595 return false;
3596
3597 if (info->flags & RATE_INFO_FLAGS_MCS) {
3598 if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs))
3599 return false;
3600 if (info->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH &&
3601 nla_put_flag(msg, NL80211_RATE_INFO_40_MHZ_WIDTH))
3602 return false;
3603 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
3604 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
3605 return false;
3606 } else if (info->flags & RATE_INFO_FLAGS_VHT_MCS) {
3607 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_MCS, info->mcs))
3608 return false;
3609 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss))
3610 return false;
3611 if (info->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH &&
3612 nla_put_flag(msg, NL80211_RATE_INFO_40_MHZ_WIDTH))
3613 return false;
3614 if (info->flags & RATE_INFO_FLAGS_80_MHZ_WIDTH &&
3615 nla_put_flag(msg, NL80211_RATE_INFO_80_MHZ_WIDTH))
3616 return false;
3617 if (info->flags & RATE_INFO_FLAGS_80P80_MHZ_WIDTH &&
3618 nla_put_flag(msg, NL80211_RATE_INFO_80P80_MHZ_WIDTH))
3619 return false;
3620 if (info->flags & RATE_INFO_FLAGS_160_MHZ_WIDTH &&
3621 nla_put_flag(msg, NL80211_RATE_INFO_160_MHZ_WIDTH))
3622 return false;
3623 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
3624 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
3625 return false;
3626 }
c8dcfd8a
FF		 3627
3628 nla_nest_end(msg, rate);
3629 return true;
c8dcfd8a
FF		 3630}
3631
119363c7
FF		 3632static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal,
3633 int id)
3634{
3635 void *attr;
3636 int i = 0;
3637
3638 if (!mask)
3639 return true;
3640
3641 attr = nla_nest_start(msg, id);
3642 if (!attr)
3643 return false;
3644
3645 for (i = 0; i < IEEE80211_MAX_CHAINS; i++) {
3646 if (!(mask & BIT(i)))
3647 continue;
3648
3649 if (nla_put_u8(msg, i, signal[i]))
3650 return false;
3651 }
3652
3653 nla_nest_end(msg, attr);
3654
3655 return true;
3656}
3657
cf5ead82
JB		 3658static int nl80211_send_station(struct sk_buff *msg, u32 cmd, u32 portid,
3659 u32 seq, int flags,
66266b3a
JL		 3660 struct cfg80211_registered_device *rdev,
3661 struct net_device *dev,
98b62183 3662 const u8 *mac_addr, struct station_info *sinfo)
fd5b74dc
JB		 3663{
3664 void *hdr;
f4263c98 3665 struct nlattr *sinfoattr, *bss_param;
fd5b74dc 3666
cf5ead82 3667 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
fd5b74dc
JB		 3668 if (!hdr)
3669 return -1;
3670
9360ffd1
DM		 3671 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
3672 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
3673 nla_put_u32(msg, NL80211_ATTR_GENERATION, sinfo->generation))
3674 goto nla_put_failure;
f5ea9120 3675
2ec600d6
LCC		 3676 sinfoattr = nla_nest_start(msg, NL80211_ATTR_STA_INFO);
3677 if (!sinfoattr)
fd5b74dc 3678 goto nla_put_failure;
319090bf
JB		 3679
3680#define PUT_SINFO(attr, memb, type) do { \
3681 if (sinfo->filled & BIT(NL80211_STA_INFO_ ## attr) && \
3682 nla_put_ ## type(msg, NL80211_STA_INFO_ ## attr, \
3683 sinfo->memb)) \
3684 goto nla_put_failure; \
3685 } while (0)
3686
3687 PUT_SINFO(CONNECTED_TIME, connected_time, u32);
3688 PUT_SINFO(INACTIVE_TIME, inactive_time, u32);
3689
3690 if (sinfo->filled & (BIT(NL80211_STA_INFO_RX_BYTES) |
3691 BIT(NL80211_STA_INFO_RX_BYTES64)) &&
9360ffd1 3692 nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES,
42745e03 3693 (u32)sinfo->rx_bytes))
9360ffd1 3694 goto nla_put_failure;
319090bf
JB		 3695
3696 if (sinfo->filled & (BIT(NL80211_STA_INFO_TX_BYTES) |
3697 BIT(NL80211_STA_INFO_TX_BYTES64)) &&
9360ffd1 3698 nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES,
42745e03
VK		 3699 (u32)sinfo->tx_bytes))
3700 goto nla_put_failure;
319090bf
JB		 3701
3702 PUT_SINFO(RX_BYTES64, rx_bytes, u64);
3703 PUT_SINFO(TX_BYTES64, tx_bytes, u64);
3704 PUT_SINFO(LLID, llid, u16);
3705 PUT_SINFO(PLID, plid, u16);
3706 PUT_SINFO(PLINK_STATE, plink_state, u8);
3707
66266b3a
JL		 3708 switch (rdev->wiphy.signal_type) {
3709 case CFG80211_SIGNAL_TYPE_MBM:
319090bf
JB		 3710 PUT_SINFO(SIGNAL, signal, u8);
3711 PUT_SINFO(SIGNAL_AVG, signal_avg, u8);
66266b3a
JL		 3712 break;
3713 default:
3714 break;
3715 }
319090bf 3716 if (sinfo->filled & BIT(NL80211_STA_INFO_CHAIN_SIGNAL)) {
119363c7
FF		 3717 if (!nl80211_put_signal(msg, sinfo->chains,
3718 sinfo->chain_signal,
3719 NL80211_STA_INFO_CHAIN_SIGNAL))
3720 goto nla_put_failure;
3721 }
319090bf 3722 if (sinfo->filled & BIT(NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) {
119363c7
FF		 3723 if (!nl80211_put_signal(msg, sinfo->chains,
3724 sinfo->chain_signal_avg,
3725 NL80211_STA_INFO_CHAIN_SIGNAL_AVG))
3726 goto nla_put_failure;
3727 }
319090bf 3728 if (sinfo->filled & BIT(NL80211_STA_INFO_TX_BITRATE)) {
c8dcfd8a
FF		 3729 if (!nl80211_put_sta_rate(msg, &sinfo->txrate,
3730 NL80211_STA_INFO_TX_BITRATE))
3731 goto nla_put_failure;
3732 }
319090bf 3733 if (sinfo->filled & BIT(NL80211_STA_INFO_RX_BITRATE)) {
c8dcfd8a
FF		 3734 if (!nl80211_put_sta_rate(msg, &sinfo->rxrate,
3735 NL80211_STA_INFO_RX_BITRATE))
420e7fab 3736 goto nla_put_failure;
420e7fab 3737 }
319090bf
JB		 3738
3739 PUT_SINFO(RX_PACKETS, rx_packets, u32);
3740 PUT_SINFO(TX_PACKETS, tx_packets, u32);
3741 PUT_SINFO(TX_RETRIES, tx_retries, u32);
3742 PUT_SINFO(TX_FAILED, tx_failed, u32);
3743 PUT_SINFO(EXPECTED_THROUGHPUT, expected_throughput, u32);
3744 PUT_SINFO(BEACON_LOSS, beacon_loss_count, u32);
3745 PUT_SINFO(LOCAL_PM, local_pm, u32);
3746 PUT_SINFO(PEER_PM, peer_pm, u32);
3747 PUT_SINFO(NONPEER_PM, nonpeer_pm, u32);
3748
3749 if (sinfo->filled & BIT(NL80211_STA_INFO_BSS_PARAM)) {
f4263c98
PS		 3750 bss_param = nla_nest_start(msg, NL80211_STA_INFO_BSS_PARAM);
3751 if (!bss_param)
3752 goto nla_put_failure;
3753
9360ffd1
DM		 3754 if (((sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) &&
3755 nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) ||
3756 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) &&
3757 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) ||
3758 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) &&
3759 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) ||
3760 nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD,
3761 sinfo->bss_param.dtim_period) ||
3762 nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL,
3763 sinfo->bss_param.beacon_interval))
3764 goto nla_put_failure;
f4263c98
PS		 3765
3766 nla_nest_end(msg, bss_param);
3767 }
319090bf 3768 if ((sinfo->filled & BIT(NL80211_STA_INFO_STA_FLAGS)) &&
9360ffd1
DM		 3769 nla_put(msg, NL80211_STA_INFO_STA_FLAGS,
3770 sizeof(struct nl80211_sta_flag_update),
3771 &sinfo->sta_flags))
3772 goto nla_put_failure;
319090bf
JB		 3773
3774 PUT_SINFO(T_OFFSET, t_offset, u64);
3775 PUT_SINFO(RX_DROP_MISC, rx_dropped_misc, u64);
a76b1942
JB		 3776 PUT_SINFO(BEACON_RX, rx_beacon, u64);
3777 PUT_SINFO(BEACON_SIGNAL_AVG, rx_beacon_signal_avg, u8);
319090bf
JB		 3778
3779#undef PUT_SINFO
6de39808
JB		 3780
3781 if (sinfo->filled & BIT(NL80211_STA_INFO_TID_STATS)) {
3782 struct nlattr *tidsattr;
3783 int tid;
3784
3785 tidsattr = nla_nest_start(msg, NL80211_STA_INFO_TID_STATS);
3786 if (!tidsattr)
3787 goto nla_put_failure;
3788
3789 for (tid = 0; tid < IEEE80211_NUM_TIDS + 1; tid++) {
3790 struct cfg80211_tid_stats *tidstats;
3791 struct nlattr *tidattr;
3792
3793 tidstats = &sinfo->pertid[tid];
3794
3795 if (!tidstats->filled)
3796 continue;
3797
3798 tidattr = nla_nest_start(msg, tid + 1);
3799 if (!tidattr)
3800 goto nla_put_failure;
3801
3802#define PUT_TIDVAL(attr, memb, type) do { \
3803 if (tidstats->filled & BIT(NL80211_TID_STATS_ ## attr) && \
3804 nla_put_ ## type(msg, NL80211_TID_STATS_ ## attr, \
3805 tidstats->memb)) \
3806 goto nla_put_failure; \
3807 } while (0)
3808
3809 PUT_TIDVAL(RX_MSDU, rx_msdu, u64);
3810 PUT_TIDVAL(TX_MSDU, tx_msdu, u64);
3811 PUT_TIDVAL(TX_MSDU_RETRIES, tx_msdu_retries, u64);
3812 PUT_TIDVAL(TX_MSDU_FAILED, tx_msdu_failed, u64);
3813
3814#undef PUT_TIDVAL
3815 nla_nest_end(msg, tidattr);
3816 }
3817
3818 nla_nest_end(msg, tidsattr);
3819 }
3820
2ec600d6 3821 nla_nest_end(msg, sinfoattr);
fd5b74dc 3822
319090bf 3823 if (sinfo->assoc_req_ies_len &&
9360ffd1
DM		 3824 nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len,
3825 sinfo->assoc_req_ies))
3826 goto nla_put_failure;
50d3dfb7 3827
fd5b74dc
JB		 3828 return genlmsg_end(msg, hdr);
3829
3830 nla_put_failure:
bc3ed28c
TG		 3831 genlmsg_cancel(msg, hdr);
3832 return -EMSGSIZE;
fd5b74dc
JB		 3833}
3834
2ec600d6 3835static int nl80211_dump_station(struct sk_buff *skb,
bba95fef 3836 struct netlink_callback *cb)
2ec600d6 3837{
2ec600d6 3838 struct station_info sinfo;
1b8ec87a 3839 struct cfg80211_registered_device *rdev;
97990a06 3840 struct wireless_dev *wdev;
2ec600d6 3841 u8 mac_addr[ETH_ALEN];
97990a06 3842 int sta_idx = cb->args[2];
2ec600d6 3843 int err;
2ec600d6 3844
1b8ec87a 3845 err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev);
67748893
JB		 3846 if (err)
3847 return err;
bba95fef 3848
97990a06
JB		 3849 if (!wdev->netdev) {
3850 err = -EINVAL;
3851 goto out_err;
3852 }
3853
1b8ec87a 3854 if (!rdev->ops->dump_station) {
eec60b03 3855 err = -EOPNOTSUPP;
bba95fef
JB		 3856 goto out_err;
3857 }
3858
bba95fef 3859 while (1) {
f612cedf 3860 memset(&sinfo, 0, sizeof(sinfo));
1b8ec87a 3861 err = rdev_dump_station(rdev, wdev->netdev, sta_idx,
e35e4d28 3862 mac_addr, &sinfo);
bba95fef
JB		 3863 if (err == -ENOENT)
3864 break;
3865 if (err)
3b85875a 3866 goto out_err;
bba95fef 3867
cf5ead82 3868 if (nl80211_send_station(skb, NL80211_CMD_NEW_STATION,
15e47304 3869 NETLINK_CB(cb->skb).portid,
bba95fef 3870 cb->nlh->nlmsg_seq, NLM_F_MULTI,
1b8ec87a 3871 rdev, wdev->netdev, mac_addr,
bba95fef
JB		 3872 &sinfo) < 0)
3873 goto out;
3874
3875 sta_idx++;
3876 }
3877
3878
3879 out:
97990a06 3880 cb->args[2] = sta_idx;
bba95fef 3881 err = skb->len;
bba95fef 3882 out_err:
1b8ec87a 3883 nl80211_finish_wdev_dump(rdev);
bba95fef
JB		 3884
3885 return err;
2ec600d6 3886}
fd5b74dc 3887
5727ef1b
JB		 3888static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info)
3889{
4c476991
JB		 3890 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3891 struct net_device *dev = info->user_ptr[1];
2ec600d6 3892 struct station_info sinfo;
fd5b74dc
JB		 3893 struct sk_buff *msg;
3894 u8 *mac_addr = NULL;
4c476991 3895 int err;
fd5b74dc 3896
2ec600d6 3897 memset(&sinfo, 0, sizeof(sinfo));
fd5b74dc
JB		 3898
3899 if (!info->attrs[NL80211_ATTR_MAC])
3900 return -EINVAL;
3901
3902 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3903
4c476991
JB		 3904 if (!rdev->ops->get_station)
3905 return -EOPNOTSUPP;
3b85875a 3906
e35e4d28 3907 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
fd5b74dc 3908 if (err)
4c476991 3909 return err;
2ec600d6 3910
fd2120ca 3911 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
fd5b74dc 3912 if (!msg)
4c476991 3913 return -ENOMEM;
fd5b74dc 3914
cf5ead82
JB		 3915 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION,
3916 info->snd_portid, info->snd_seq, 0,
66266b3a 3917 rdev, dev, mac_addr, &sinfo) < 0) {
4c476991
JB		 3918 nlmsg_free(msg);
3919 return -ENOBUFS;
3920 }
3b85875a 3921
4c476991 3922 return genlmsg_reply(msg, info);
5727ef1b
JB		 3923}
3924
77ee7c89
JB		 3925int cfg80211_check_station_change(struct wiphy *wiphy,
3926 struct station_parameters *params,
3927 enum cfg80211_station_type statype)
3928{
3929 if (params->listen_interval != -1)
3930 return -EINVAL;
c72e1140
AN		 3931 if (params->aid &&
3932 !(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
77ee7c89
JB		 3933 return -EINVAL;
3934
3935 /* When you run into this, adjust the code below for the new flag */
3936 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
3937
3938 switch (statype) {
eef941e6
TP		 3939 case CFG80211_STA_MESH_PEER_KERNEL:
3940 case CFG80211_STA_MESH_PEER_USER:
77ee7c89
JB		 3941 /*
3942 * No ignoring the TDLS flag here -- the userspace mesh
3943 * code doesn't have the bug of including TDLS in the
3944 * mask everywhere.
3945 */
3946 if (params->sta_flags_mask &
3947 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) |
3948 BIT(NL80211_STA_FLAG_MFP) |
3949 BIT(NL80211_STA_FLAG_AUTHORIZED)))
3950 return -EINVAL;
3951 break;
3952 case CFG80211_STA_TDLS_PEER_SETUP:
3953 case CFG80211_STA_TDLS_PEER_ACTIVE:
3954 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
3955 return -EINVAL;
3956 /* ignore since it can't change */
3957 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
3958 break;
3959 default:
3960 /* disallow mesh-specific things */
3961 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION)
3962 return -EINVAL;
3963 if (params->local_pm)
3964 return -EINVAL;
3965 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
3966 return -EINVAL;
3967 }
3968
3969 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
3970 statype != CFG80211_STA_TDLS_PEER_ACTIVE) {
3971 /* TDLS can't be set, ... */
3972 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
3973 return -EINVAL;
3974 /*
3975 * ... but don't bother the driver with it. This works around
3976 * a hostapd/wpa_supplicant issue -- it always includes the
3977 * TLDS_PEER flag in the mask even for AP mode.
3978 */
3979 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
3980 }
3981
3982 if (statype != CFG80211_STA_TDLS_PEER_SETUP) {
3983 /* reject other things that can't change */
3984 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD)
3985 return -EINVAL;
3986 if (params->sta_modify_mask & STATION_PARAM_APPLY_CAPABILITY)
3987 return -EINVAL;
3988 if (params->supported_rates)
3989 return -EINVAL;
3990 if (params->ext_capab || params->ht_capa || params->vht_capa)
3991 return -EINVAL;
3992 }
3993
3994 if (statype != CFG80211_STA_AP_CLIENT) {
3995 if (params->vlan)
3996 return -EINVAL;
3997 }
3998
3999 switch (statype) {
4000 case CFG80211_STA_AP_MLME_CLIENT:
4001 /* Use this only for authorizing/unauthorizing a station */
4002 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
4003 return -EOPNOTSUPP;
4004 break;
4005 case CFG80211_STA_AP_CLIENT:
4006 /* accept only the listed bits */
4007 if (params->sta_flags_mask &
4008 ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
4009 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
4010 BIT(NL80211_STA_FLAG_ASSOCIATED) |
4011 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
4012 BIT(NL80211_STA_FLAG_WME) |
4013 BIT(NL80211_STA_FLAG_MFP)))
4014 return -EINVAL;
4015
4016 /* but authenticated/associated only if driver handles it */
4017 if (!(wiphy->features & NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
4018 params->sta_flags_mask &
4019 (BIT(NL80211_STA_FLAG_AUTHENTICATED) |
4020 BIT(NL80211_STA_FLAG_ASSOCIATED)))
4021 return -EINVAL;
4022 break;
4023 case CFG80211_STA_IBSS:
4024 case CFG80211_STA_AP_STA:
4025 /* reject any changes other than AUTHORIZED */
4026 if (params->sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED))
4027 return -EINVAL;
4028 break;
4029 case CFG80211_STA_TDLS_PEER_SETUP:
4030 /* reject any changes other than AUTHORIZED or WME */
4031 if (params->sta_flags_mask & ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
4032 BIT(NL80211_STA_FLAG_WME)))
4033 return -EINVAL;
4034 /* force (at least) rates when authorizing */
4035 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED) &&
4036 !params->supported_rates)
4037 return -EINVAL;
4038 break;
4039 case CFG80211_STA_TDLS_PEER_ACTIVE:
4040 /* reject any changes */
4041 return -EINVAL;
eef941e6 4042 case CFG80211_STA_MESH_PEER_KERNEL:
77ee7c89
JB		 4043 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
4044 return -EINVAL;
4045 break;
eef941e6 4046 case CFG80211_STA_MESH_PEER_USER:
77ee7c89
JB		 4047 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION)
4048 return -EINVAL;
4049 break;
4050 }
4051
4052 return 0;
4053}
4054EXPORT_SYMBOL(cfg80211_check_station_change);
4055
5727ef1b 4056/*
c258d2de 4057 * Get vlan interface making sure it is running and on the right wiphy.
5727ef1b 4058 */
80b99899
JB		 4059static struct net_device *get_vlan(struct genl_info *info,
4060 struct cfg80211_registered_device *rdev)
5727ef1b 4061{
463d0183 4062 struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN];
80b99899
JB		 4063 struct net_device *v;
4064 int ret;
4065
4066 if (!vlanattr)
4067 return NULL;
4068
4069 v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr));
4070 if (!v)
4071 return ERR_PTR(-ENODEV);
4072
4073 if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) {
4074 ret = -EINVAL;
4075 goto error;
5727ef1b 4076 }
80b99899 4077
77ee7c89
JB		 4078 if (v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
4079 v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4080 v->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
4081 ret = -EINVAL;
4082 goto error;
4083 }
4084
80b99899
JB		 4085 if (!netif_running(v)) {
4086 ret = -ENETDOWN;
4087 goto error;
4088 }
4089
4090 return v;
4091 error:
4092 dev_put(v);
4093 return ERR_PTR(ret);
5727ef1b
JB		 4094}
4095
94e860f1
JB		 4096static const struct nla_policy
4097nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] = {
df881293
JM		 4098 [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 },
4099 [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 },
4100};
4101
ff276691
JB		 4102static int nl80211_parse_sta_wme(struct genl_info *info,
4103 struct station_parameters *params)
df881293 4104{
df881293
JM		 4105 struct nlattr *tb[NL80211_STA_WME_MAX + 1];
4106 struct nlattr *nla;
4107 int err;
4108
df881293
JM		 4109 /* parse WME attributes if present */
4110 if (!info->attrs[NL80211_ATTR_STA_WME])
4111 return 0;
4112
4113 nla = info->attrs[NL80211_ATTR_STA_WME];
4114 err = nla_parse_nested(tb, NL80211_STA_WME_MAX, nla,
4115 nl80211_sta_wme_policy);
4116 if (err)
4117 return err;
4118
4119 if (tb[NL80211_STA_WME_UAPSD_QUEUES])
4120 params->uapsd_queues = nla_get_u8(
4121 tb[NL80211_STA_WME_UAPSD_QUEUES]);
4122 if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
4123 return -EINVAL;
4124
4125 if (tb[NL80211_STA_WME_MAX_SP])
4126 params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]);
4127
4128 if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
4129 return -EINVAL;
4130
4131 params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD;
4132
4133 return 0;
4134}
4135
c01fc9ad
SD		 4136static int nl80211_parse_sta_channel_info(struct genl_info *info,
4137 struct station_parameters *params)
4138{
4139 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]) {
4140 params->supported_channels =
4141 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
4142 params->supported_channels_len =
4143 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
4144 /*
4145 * Need to include at least one (first channel, number of
4146 * channels) tuple for each subband, and must have proper
4147 * tuples for the rest of the data as well.
4148 */
4149 if (params->supported_channels_len < 2)
4150 return -EINVAL;
4151 if (params->supported_channels_len % 2)
4152 return -EINVAL;
4153 }
4154
4155 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]) {
4156 params->supported_oper_classes =
4157 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
4158 params->supported_oper_classes_len =
4159 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
4160 /*
4161 * The value of the Length field of the Supported Operating
4162 * Classes element is between 2 and 253.
4163 */
4164 if (params->supported_oper_classes_len < 2 ||
4165 params->supported_oper_classes_len > 253)
4166 return -EINVAL;
4167 }
4168 return 0;
4169}
4170
ff276691
JB		 4171static int nl80211_set_station_tdls(struct genl_info *info,
4172 struct station_parameters *params)
4173{
c01fc9ad 4174 int err;
ff276691 4175 /* Dummy STA entry gets updated once the peer capabilities are known */
5e4b6f56
JM		 4176 if (info->attrs[NL80211_ATTR_PEER_AID])
4177 params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
ff276691
JB		 4178 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
4179 params->ht_capa =
4180 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
4181 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
4182 params->vht_capa =
4183 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
4184
c01fc9ad
SD		 4185 err = nl80211_parse_sta_channel_info(info, params);
4186 if (err)
4187 return err;
4188
ff276691
JB		 4189 return nl80211_parse_sta_wme(info, params);
4190}
4191
5727ef1b
JB		 4192static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
4193{
4c476991 4194 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4c476991 4195 struct net_device *dev = info->user_ptr[1];
5727ef1b 4196 struct station_parameters params;
77ee7c89
JB		 4197 u8 *mac_addr;
4198 int err;
5727ef1b
JB		 4199
4200 memset(&params, 0, sizeof(params));
4201
4202 params.listen_interval = -1;
4203
77ee7c89
JB		 4204 if (!rdev->ops->change_station)
4205 return -EOPNOTSUPP;
4206
5727ef1b
JB		 4207 if (info->attrs[NL80211_ATTR_STA_AID])
4208 return -EINVAL;
4209
4210 if (!info->attrs[NL80211_ATTR_MAC])
4211 return -EINVAL;
4212
4213 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4214
4215 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) {
4216 params.supported_rates =
4217 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
4218 params.supported_rates_len =
4219 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
4220 }
4221
9d62a986
JM		 4222 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
4223 params.capability =
4224 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
4225 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
4226 }
4227
4228 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
4229 params.ext_capab =
4230 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
4231 params.ext_capab_len =
4232 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
4233 }
4234
df881293 4235 if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
ba23d206 4236 return -EINVAL;
36aedc90 4237
bdd3ae3d 4238 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, &params))
5727ef1b
JB		 4239 return -EINVAL;
4240
f8bacc21 4241 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) {
2ec600d6 4242 params.plink_action =
f8bacc21
JB		 4243 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
4244 if (params.plink_action >= NUM_NL80211_PLINK_ACTIONS)
4245 return -EINVAL;
4246 }
2ec600d6 4247
f8bacc21 4248 if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) {
9c3990aa 4249 params.plink_state =
f8bacc21
JB		 4250 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]);
4251 if (params.plink_state >= NUM_NL80211_PLINK_STATES)
4252 return -EINVAL;
4253 params.sta_modify_mask |= STATION_PARAM_APPLY_PLINK_STATE;
4254 }
9c3990aa 4255
3b1c5a53
MP		 4256 if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]) {
4257 enum nl80211_mesh_power_mode pm = nla_get_u32(
4258 info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]);
4259
4260 if (pm <= NL80211_MESH_POWER_UNKNOWN ||
4261 pm > NL80211_MESH_POWER_MAX)
4262 return -EINVAL;
4263
4264 params.local_pm = pm;
4265 }
4266
77ee7c89
JB		 4267 /* Include parameters for TDLS peer (will check later) */
4268 err = nl80211_set_station_tdls(info, &params);
4269 if (err)
4270 return err;
4271
4272 params.vlan = get_vlan(info, rdev);
4273 if (IS_ERR(params.vlan))
4274 return PTR_ERR(params.vlan);
4275
a97f4424
JB		 4276 switch (dev->ieee80211_ptr->iftype) {
4277 case NL80211_IFTYPE_AP:
4278 case NL80211_IFTYPE_AP_VLAN:
074ac8df 4279 case NL80211_IFTYPE_P2P_GO:
074ac8df 4280 case NL80211_IFTYPE_P2P_CLIENT:
a97f4424 4281 case NL80211_IFTYPE_STATION:
267335d6 4282 case NL80211_IFTYPE_ADHOC:
a97f4424 4283 case NL80211_IFTYPE_MESH_POINT:
a97f4424
JB		 4284 break;
4285 default:
77ee7c89
JB		 4286 err = -EOPNOTSUPP;
4287 goto out_put_vlan;
034d655e
JB		 4288 }
4289
77ee7c89 4290 /* driver will call cfg80211_check_station_change() */
e35e4d28 4291 err = rdev_change_station(rdev, dev, mac_addr, &params);
5727ef1b 4292
77ee7c89 4293 out_put_vlan:
5727ef1b
JB		 4294 if (params.vlan)
4295 dev_put(params.vlan);
3b85875a 4296
5727ef1b
JB		 4297 return err;
4298}
4299
4300static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
4301{
4c476991 4302 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5727ef1b 4303 int err;
4c476991 4304 struct net_device *dev = info->user_ptr[1];
5727ef1b
JB		 4305 struct station_parameters params;
4306 u8 *mac_addr = NULL;
4307
4308 memset(&params, 0, sizeof(params));
4309
984c311b
JB		 4310 if (!rdev->ops->add_station)
4311 return -EOPNOTSUPP;
4312
5727ef1b
JB		 4313 if (!info->attrs[NL80211_ATTR_MAC])
4314 return -EINVAL;
4315
5727ef1b
JB		 4316 if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
4317 return -EINVAL;
4318
4319 if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES])
4320 return -EINVAL;
4321
5e4b6f56
JM		 4322 if (!info->attrs[NL80211_ATTR_STA_AID] &&
4323 !info->attrs[NL80211_ATTR_PEER_AID])
0e956c13
TLSC		 4324 return -EINVAL;
4325
5727ef1b
JB		 4326 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4327 params.supported_rates =
4328 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
4329 params.supported_rates_len =
4330 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
4331 params.listen_interval =
4332 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
51b50fbe 4333
3d124ea2 4334 if (info->attrs[NL80211_ATTR_PEER_AID])
5e4b6f56 4335 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
3d124ea2
JM		 4336 else
4337 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
0e956c13
TLSC		 4338 if (!params.aid || params.aid > IEEE80211_MAX_AID)
4339 return -EINVAL;
51b50fbe 4340
9d62a986
JM		 4341 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
4342 params.capability =
4343 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
4344 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
4345 }
4346
4347 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
4348 params.ext_capab =
4349 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
4350 params.ext_capab_len =
4351 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
4352 }
4353
36aedc90
JM		 4354 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
4355 params.ht_capa =
4356 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
5727ef1b 4357
f461be3e
MP		 4358 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
4359 params.vht_capa =
4360 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
4361
60f4a7b1
MK		 4362 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
4363 params.opmode_notif_used = true;
4364 params.opmode_notif =
4365 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
4366 }
4367
f8bacc21 4368 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) {
96b78dff 4369 params.plink_action =
f8bacc21
JB		 4370 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
4371 if (params.plink_action >= NUM_NL80211_PLINK_ACTIONS)
4372 return -EINVAL;
4373 }
96b78dff 4374
c01fc9ad
SD		 4375 err = nl80211_parse_sta_channel_info(info, &params);
4376 if (err)
4377 return err;
4378
ff276691
JB		 4379 err = nl80211_parse_sta_wme(info, &params);
4380 if (err)
4381 return err;
bdd90d5e 4382
bdd3ae3d 4383 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, &params))
5727ef1b
JB		 4384 return -EINVAL;
4385
77ee7c89
JB		 4386 /* When you run into this, adjust the code below for the new flag */
4387 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
4388
bdd90d5e
JB		 4389 switch (dev->ieee80211_ptr->iftype) {
4390 case NL80211_IFTYPE_AP:
4391 case NL80211_IFTYPE_AP_VLAN:
4392 case NL80211_IFTYPE_P2P_GO:
984c311b
JB		 4393 /* ignore WME attributes if iface/sta is not capable */
4394 if (!(rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) ||
4395 !(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME)))
4396 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
c75786c9 4397
bdd90d5e 4398 /* TDLS peers cannot be added */
3d124ea2
JM		 4399 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
4400 info->attrs[NL80211_ATTR_PEER_AID])
4319e193 4401 return -EINVAL;
bdd90d5e
JB		 4402 /* but don't bother the driver with it */
4403 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
3b9ce80c 4404
d582cffb
JB		 4405 /* allow authenticated/associated only if driver handles it */
4406 if (!(rdev->wiphy.features &
4407 NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
4408 params.sta_flags_mask &
4409 (BIT(NL80211_STA_FLAG_AUTHENTICATED) |
4410 BIT(NL80211_STA_FLAG_ASSOCIATED)))
4411 return -EINVAL;
4412
bdd90d5e
JB		 4413 /* must be last in here for error handling */
4414 params.vlan = get_vlan(info, rdev);
4415 if (IS_ERR(params.vlan))
4416 return PTR_ERR(params.vlan);
4417 break;
4418 case NL80211_IFTYPE_MESH_POINT:
984c311b
JB		 4419 /* ignore uAPSD data */
4420 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
4421
d582cffb
JB		 4422 /* associated is disallowed */
4423 if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED))
4424 return -EINVAL;
bdd90d5e 4425 /* TDLS peers cannot be added */
3d124ea2
JM		 4426 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
4427 info->attrs[NL80211_ATTR_PEER_AID])
bdd90d5e
JB		 4428 return -EINVAL;
4429 break;
4430 case NL80211_IFTYPE_STATION:
93d08f0b 4431 case NL80211_IFTYPE_P2P_CLIENT:
984c311b
JB		 4432 /* ignore uAPSD data */
4433 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
4434
77ee7c89
JB		 4435 /* these are disallowed */
4436 if (params.sta_flags_mask &
4437 (BIT(NL80211_STA_FLAG_ASSOCIATED) |
4438 BIT(NL80211_STA_FLAG_AUTHENTICATED)))
d582cffb 4439 return -EINVAL;
bdd90d5e
JB		 4440 /* Only TDLS peers can be added */
4441 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
4442 return -EINVAL;
4443 /* Can only add if TDLS ... */
4444 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS))
4445 return -EOPNOTSUPP;
4446 /* ... with external setup is supported */
4447 if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
4448 return -EOPNOTSUPP;
77ee7c89
JB		 4449 /*
4450 * Older wpa_supplicant versions always mark the TDLS peer
4451 * as authorized, but it shouldn't yet be.
4452 */
4453 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_AUTHORIZED);
bdd90d5e
JB		 4454 break;
4455 default:
4456 return -EOPNOTSUPP;
c75786c9
EP		 4457 }
4458
bdd90d5e 4459 /* be aware of params.vlan when changing code here */
5727ef1b 4460
e35e4d28 4461 err = rdev_add_station(rdev, dev, mac_addr, &params);
5727ef1b 4462
5727ef1b
JB		 4463 if (params.vlan)
4464 dev_put(params.vlan);
5727ef1b
JB		 4465 return err;
4466}
4467
4468static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info)
4469{
4c476991
JB		 4470 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4471 struct net_device *dev = info->user_ptr[1];
89c771e5
JM		 4472 struct station_del_parameters params;
4473
4474 memset(&params, 0, sizeof(params));
5727ef1b
JB		 4475
4476 if (info->attrs[NL80211_ATTR_MAC])
89c771e5 4477 params.mac = nla_data(info->attrs[NL80211_ATTR_MAC]);
5727ef1b 4478
e80cf853 4479 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
d5d9de02 4480 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
074ac8df 4481 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
4c476991
JB		 4482 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4483 return -EINVAL;
5727ef1b 4484
4c476991
JB		 4485 if (!rdev->ops->del_station)
4486 return -EOPNOTSUPP;
3b85875a 4487
98856866
JM		 4488 if (info->attrs[NL80211_ATTR_MGMT_SUBTYPE]) {
4489 params.subtype =
4490 nla_get_u8(info->attrs[NL80211_ATTR_MGMT_SUBTYPE]);
4491 if (params.subtype != IEEE80211_STYPE_DISASSOC >> 4 &&
4492 params.subtype != IEEE80211_STYPE_DEAUTH >> 4)
4493 return -EINVAL;
4494 } else {
4495 /* Default to Deauthentication frame */
4496 params.subtype = IEEE80211_STYPE_DEAUTH >> 4;
4497 }
4498
4499 if (info->attrs[NL80211_ATTR_REASON_CODE]) {
4500 params.reason_code =
4501 nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
4502 if (params.reason_code == 0)
4503 return -EINVAL; /* 0 is reserved */
4504 } else {
4505 /* Default to reason code 2 */
4506 params.reason_code = WLAN_REASON_PREV_AUTH_NOT_VALID;
4507 }
4508
89c771e5 4509 return rdev_del_station(rdev, dev, &params);
5727ef1b
JB		 4510}
4511
15e47304 4512static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq,
2ec600d6
LCC		 4513 int flags, struct net_device *dev,
4514 u8 *dst, u8 *next_hop,
4515 struct mpath_info *pinfo)
4516{
4517 void *hdr;
4518 struct nlattr *pinfoattr;
4519
1ef4c850 4520 hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_MPATH);
2ec600d6
LCC		 4521 if (!hdr)
4522 return -1;
4523
9360ffd1
DM		 4524 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
4525 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
4526 nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) ||
4527 nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation))
4528 goto nla_put_failure;
f5ea9120 4529
2ec600d6
LCC		 4530 pinfoattr = nla_nest_start(msg, NL80211_ATTR_MPATH_INFO);
4531 if (!pinfoattr)
4532 goto nla_put_failure;
9360ffd1
DM		 4533 if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) &&
4534 nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN,
4535 pinfo->frame_qlen))
4536 goto nla_put_failure;
4537 if (((pinfo->filled & MPATH_INFO_SN) &&
4538 nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) ||
4539 ((pinfo->filled & MPATH_INFO_METRIC) &&
4540 nla_put_u32(msg, NL80211_MPATH_INFO_METRIC,
4541 pinfo->metric)) ||
4542 ((pinfo->filled & MPATH_INFO_EXPTIME) &&
4543 nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME,
4544 pinfo->exptime)) ||
4545 ((pinfo->filled & MPATH_INFO_FLAGS) &&
4546 nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS,
4547 pinfo->flags)) ||
4548 ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) &&
4549 nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT,
4550 pinfo->discovery_timeout)) ||
4551 ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) &&
4552 nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES,
4553 pinfo->discovery_retries)))
4554 goto nla_put_failure;
2ec600d6
LCC		 4555
4556 nla_nest_end(msg, pinfoattr);
4557
4558 return genlmsg_end(msg, hdr);
4559
4560 nla_put_failure:
bc3ed28c
TG		 4561 genlmsg_cancel(msg, hdr);
4562 return -EMSGSIZE;
2ec600d6
LCC		 4563}
4564
4565static int nl80211_dump_mpath(struct sk_buff *skb,
bba95fef 4566 struct netlink_callback *cb)
2ec600d6 4567{
2ec600d6 4568 struct mpath_info pinfo;
1b8ec87a 4569 struct cfg80211_registered_device *rdev;
97990a06 4570 struct wireless_dev *wdev;
2ec600d6
LCC		 4571 u8 dst[ETH_ALEN];
4572 u8 next_hop[ETH_ALEN];
97990a06 4573 int path_idx = cb->args[2];
2ec600d6 4574 int err;
2ec600d6 4575
1b8ec87a 4576 err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev);
67748893
JB		 4577 if (err)
4578 return err;
bba95fef 4579
1b8ec87a 4580 if (!rdev->ops->dump_mpath) {
eec60b03 4581 err = -EOPNOTSUPP;
bba95fef
JB		 4582 goto out_err;
4583 }
4584
97990a06 4585 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
eec60b03 4586 err = -EOPNOTSUPP;
0448b5fc 4587 goto out_err;
eec60b03
JM		 4588 }
4589
bba95fef 4590 while (1) {
1b8ec87a 4591 err = rdev_dump_mpath(rdev, wdev->netdev, path_idx, dst,
97990a06 4592 next_hop, &pinfo);
bba95fef 4593 if (err == -ENOENT)
2ec600d6 4594 break;
bba95fef 4595 if (err)
3b85875a 4596 goto out_err;
2ec600d6 4597
15e47304 4598 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
bba95fef 4599 cb->nlh->nlmsg_seq, NLM_F_MULTI,
97990a06 4600 wdev->netdev, dst, next_hop,
bba95fef
JB		 4601 &pinfo) < 0)
4602 goto out;
2ec600d6 4603
bba95fef 4604 path_idx++;
2ec600d6 4605 }
2ec600d6 4606
2ec600d6 4607
bba95fef 4608 out:
97990a06 4609 cb->args[2] = path_idx;
bba95fef 4610 err = skb->len;
bba95fef 4611 out_err:
1b8ec87a 4612 nl80211_finish_wdev_dump(rdev);
bba95fef 4613 return err;
2ec600d6
LCC		 4614}
4615
4616static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info)
4617{
4c476991 4618 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2ec600d6 4619 int err;
4c476991 4620 struct net_device *dev = info->user_ptr[1];
2ec600d6
LCC		 4621 struct mpath_info pinfo;
4622 struct sk_buff *msg;
4623 u8 *dst = NULL;
4624 u8 next_hop[ETH_ALEN];
4625
4626 memset(&pinfo, 0, sizeof(pinfo));
4627
4628 if (!info->attrs[NL80211_ATTR_MAC])
4629 return -EINVAL;
4630
4631 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
4632
4c476991
JB		 4633 if (!rdev->ops->get_mpath)
4634 return -EOPNOTSUPP;
2ec600d6 4635
4c476991
JB		 4636 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
4637 return -EOPNOTSUPP;
eec60b03 4638
e35e4d28 4639 err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo);
2ec600d6 4640 if (err)
4c476991 4641 return err;
2ec600d6 4642
fd2120ca 4643 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
2ec600d6 4644 if (!msg)
4c476991 4645 return -ENOMEM;
2ec600d6 4646
15e47304 4647 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
4c476991
JB		 4648 dev, dst, next_hop, &pinfo) < 0) {
4649 nlmsg_free(msg);
4650 return -ENOBUFS;
4651 }
3b85875a 4652
4c476991 4653 return genlmsg_reply(msg, info);
2ec600d6
LCC		 4654}
4655
4656static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info)
4657{
4c476991
JB		 4658 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4659 struct net_device *dev = info->user_ptr[1];
2ec600d6
LCC		 4660 u8 *dst = NULL;
4661 u8 *next_hop = NULL;
4662
4663 if (!info->attrs[NL80211_ATTR_MAC])
4664 return -EINVAL;
4665
4666 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
4667 return -EINVAL;
4668
4669 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
4670 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
4671
4c476991
JB		 4672 if (!rdev->ops->change_mpath)
4673 return -EOPNOTSUPP;
35a8efe1 4674
4c476991
JB		 4675 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
4676 return -EOPNOTSUPP;
2ec600d6 4677
e35e4d28 4678 return rdev_change_mpath(rdev, dev, dst, next_hop);
2ec600d6 4679}
4c476991 4680
2ec600d6
LCC		 4681static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info)
4682{
4c476991
JB		 4683 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4684 struct net_device *dev = info->user_ptr[1];
2ec600d6
LCC		 4685 u8 *dst = NULL;
4686 u8 *next_hop = NULL;
4687
4688 if (!info->attrs[NL80211_ATTR_MAC])
4689 return -EINVAL;
4690
4691 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
4692 return -EINVAL;
4693
4694 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
4695 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
4696
4c476991
JB		 4697 if (!rdev->ops->add_mpath)
4698 return -EOPNOTSUPP;
35a8efe1 4699
4c476991
JB		 4700 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
4701 return -EOPNOTSUPP;
2ec600d6 4702
e35e4d28 4703 return rdev_add_mpath(rdev, dev, dst, next_hop);
2ec600d6
LCC		 4704}
4705
4706static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info)
4707{
4c476991
JB		 4708 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4709 struct net_device *dev = info->user_ptr[1];
2ec600d6
LCC		 4710 u8 *dst = NULL;
4711
4712 if (info->attrs[NL80211_ATTR_MAC])
4713 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
4714
4c476991
JB		 4715 if (!rdev->ops->del_mpath)
4716 return -EOPNOTSUPP;
3b85875a 4717
e35e4d28 4718 return rdev_del_mpath(rdev, dev, dst);
2ec600d6
LCC		 4719}
4720
66be7d2b
HR		 4721static int nl80211_get_mpp(struct sk_buff *skb, struct genl_info *info)
4722{
4723 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4724 int err;
4725 struct net_device *dev = info->user_ptr[1];
4726 struct mpath_info pinfo;
4727 struct sk_buff *msg;
4728 u8 *dst = NULL;
4729 u8 mpp[ETH_ALEN];
4730
4731 memset(&pinfo, 0, sizeof(pinfo));
4732
4733 if (!info->attrs[NL80211_ATTR_MAC])
4734 return -EINVAL;
4735
4736 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
4737
4738 if (!rdev->ops->get_mpp)
4739 return -EOPNOTSUPP;
4740
4741 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
4742 return -EOPNOTSUPP;
4743
4744 err = rdev_get_mpp(rdev, dev, dst, mpp, &pinfo);
4745 if (err)
4746 return err;
4747
4748 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4749 if (!msg)
4750 return -ENOMEM;
4751
4752 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
4753 dev, dst, mpp, &pinfo) < 0) {
4754 nlmsg_free(msg);
4755 return -ENOBUFS;
4756 }
4757
4758 return genlmsg_reply(msg, info);
4759}
4760
4761static int nl80211_dump_mpp(struct sk_buff *skb,
4762 struct netlink_callback *cb)
4763{
4764 struct mpath_info pinfo;
4765 struct cfg80211_registered_device *rdev;
4766 struct wireless_dev *wdev;
4767 u8 dst[ETH_ALEN];
4768 u8 mpp[ETH_ALEN];
4769 int path_idx = cb->args[2];
4770 int err;
4771
4772 err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev);
4773 if (err)
4774 return err;
4775
4776 if (!rdev->ops->dump_mpp) {
4777 err = -EOPNOTSUPP;
4778 goto out_err;
4779 }
4780
4781 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
4782 err = -EOPNOTSUPP;
4783 goto out_err;
4784 }
4785
4786 while (1) {
4787 err = rdev_dump_mpp(rdev, wdev->netdev, path_idx, dst,
4788 mpp, &pinfo);
4789 if (err == -ENOENT)
4790 break;
4791 if (err)
4792 goto out_err;
4793
4794 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
4795 cb->nlh->nlmsg_seq, NLM_F_MULTI,
4796 wdev->netdev, dst, mpp,
4797 &pinfo) < 0)
4798 goto out;
4799
4800 path_idx++;
4801 }
4802
4803 out:
4804 cb->args[2] = path_idx;
4805 err = skb->len;
4806 out_err:
4807 nl80211_finish_wdev_dump(rdev);
4808 return err;
4809}
4810
9f1ba906
JM		 4811static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
4812{
4c476991
JB		 4813 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4814 struct net_device *dev = info->user_ptr[1];
c56589ed 4815 struct wireless_dev *wdev = dev->ieee80211_ptr;
9f1ba906 4816 struct bss_parameters params;
c56589ed 4817 int err;
9f1ba906
JM		 4818
4819 memset(&params, 0, sizeof(params));
4820 /* default to not changing parameters */
4821 params.use_cts_prot = -1;
4822 params.use_short_preamble = -1;
4823 params.use_short_slot_time = -1;
fd8aaaf3 4824 params.ap_isolate = -1;
50b12f59 4825 params.ht_opmode = -1;
53cabad7
JB		 4826 params.p2p_ctwindow = -1;
4827 params.p2p_opp_ps = -1;
9f1ba906
JM		 4828
4829 if (info->attrs[NL80211_ATTR_BSS_CTS_PROT])
4830 params.use_cts_prot =
4831 nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]);
4832 if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE])
4833 params.use_short_preamble =
4834 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]);
4835 if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME])
4836 params.use_short_slot_time =
4837 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]);
90c97a04
JM		 4838 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
4839 params.basic_rates =
4840 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
4841 params.basic_rates_len =
4842 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
4843 }
fd8aaaf3
FF		 4844 if (info->attrs[NL80211_ATTR_AP_ISOLATE])
4845 params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]);
50b12f59
HS		 4846 if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE])
4847 params.ht_opmode =
4848 nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]);
9f1ba906 4849
53cabad7
JB		 4850 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
4851 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4852 return -EINVAL;
4853 params.p2p_ctwindow =
4854 nla_get_s8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
4855 if (params.p2p_ctwindow < 0)
4856 return -EINVAL;
4857 if (params.p2p_ctwindow != 0 &&
4858 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
4859 return -EINVAL;
4860 }
4861
4862 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
4863 u8 tmp;
4864
4865 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4866 return -EINVAL;
4867 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
4868 if (tmp > 1)
4869 return -EINVAL;
4870 params.p2p_opp_ps = tmp;
4871 if (params.p2p_opp_ps &&
4872 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
4873 return -EINVAL;
4874 }
4875
4c476991
JB		 4876 if (!rdev->ops->change_bss)
4877 return -EOPNOTSUPP;
9f1ba906 4878
074ac8df 4879 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4c476991
JB		 4880 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4881 return -EOPNOTSUPP;
3b85875a 4882
c56589ed
SW		 4883 wdev_lock(wdev);
4884 err = rdev_change_bss(rdev, dev, &params);
4885 wdev_unlock(wdev);
4886
4887 return err;
9f1ba906
JM		 4888}
4889
b54452b0 4890static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = {
b2e1b302
LR		 4891 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
4892 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
4893 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
4894 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
4895 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
4896 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
089027e5 4897 [NL80211_ATTR_DFS_CAC_TIME] = { .type = NLA_U32 },
b2e1b302
LR		 4898};
4899
4900static int parse_reg_rule(struct nlattr *tb[],
4901 struct ieee80211_reg_rule *reg_rule)
4902{
4903 struct ieee80211_freq_range *freq_range = &reg_rule->freq_range;
4904 struct ieee80211_power_rule *power_rule = &reg_rule->power_rule;
4905
4906 if (!tb[NL80211_ATTR_REG_RULE_FLAGS])
4907 return -EINVAL;
4908 if (!tb[NL80211_ATTR_FREQ_RANGE_START])
4909 return -EINVAL;
4910 if (!tb[NL80211_ATTR_FREQ_RANGE_END])
4911 return -EINVAL;
b0dfd2ea
JD		 4912 if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW])
4913 return -EINVAL;
b2e1b302
LR		 4914 if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP])
4915 return -EINVAL;
4916
4917 reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]);
4918
4919 freq_range->start_freq_khz =
4920 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]);
4921 freq_range->end_freq_khz =
4922 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]);
b0dfd2ea
JD		 4923 freq_range->max_bandwidth_khz =
4924 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]);
b2e1b302
LR		 4925
4926 power_rule->max_eirp =
4927 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]);
4928
4929 if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN])
4930 power_rule->max_antenna_gain =
4931 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]);
4932
089027e5
JD		 4933 if (tb[NL80211_ATTR_DFS_CAC_TIME])
4934 reg_rule->dfs_cac_ms =
4935 nla_get_u32(tb[NL80211_ATTR_DFS_CAC_TIME]);
4936
b2e1b302
LR		 4937 return 0;
4938}
4939
4940static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
4941{
b2e1b302 4942 char *data = NULL;
57b5ce07 4943 enum nl80211_user_reg_hint_type user_reg_hint_type;
b2e1b302 4944
80778f18
LR		 4945 /*
4946 * You should only get this when cfg80211 hasn't yet initialized
4947 * completely when built-in to the kernel right between the time
4948 * window between nl80211_init() and regulatory_init(), if that is
4949 * even possible.
4950 */
458f4f9e 4951 if (unlikely(!rcu_access_pointer(cfg80211_regdomain)))
fe33eb39 4952 return -EINPROGRESS;
80778f18 4953
57b5ce07
LR		 4954 if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE])
4955 user_reg_hint_type =
4956 nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]);
4957 else
4958 user_reg_hint_type = NL80211_USER_REG_HINT_USER;
4959
4960 switch (user_reg_hint_type) {
4961 case NL80211_USER_REG_HINT_USER:
4962 case NL80211_USER_REG_HINT_CELL_BASE:
52616f2b
IP		 4963 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
4964 return -EINVAL;
4965
4966 data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
4967 return regulatory_hint_user(data, user_reg_hint_type);
4968 case NL80211_USER_REG_HINT_INDOOR:
4969 return regulatory_hint_indoor_user();
57b5ce07
LR		 4970 default:
4971 return -EINVAL;
4972 }
b2e1b302
LR		 4973}
4974
24bdd9f4 4975static int nl80211_get_mesh_config(struct sk_buff *skb,
29cbe68c 4976 struct genl_info *info)
93da9cc1 4977{
4c476991 4978 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4c476991 4979 struct net_device *dev = info->user_ptr[1];
29cbe68c
JB		 4980 struct wireless_dev *wdev = dev->ieee80211_ptr;
4981 struct mesh_config cur_params;
4982 int err = 0;
93da9cc1 4983 void *hdr;
4984 struct nlattr *pinfoattr;
4985 struct sk_buff *msg;
4986
29cbe68c
JB		 4987 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
4988 return -EOPNOTSUPP;
4989
24bdd9f4 4990 if (!rdev->ops->get_mesh_config)
4c476991 4991 return -EOPNOTSUPP;
f3f92586 4992
29cbe68c
JB		 4993 wdev_lock(wdev);
4994 /* If not connected, get default parameters */
4995 if (!wdev->mesh_id_len)
4996 memcpy(&cur_params, &default_mesh_config, sizeof(cur_params));
4997 else
e35e4d28 4998 err = rdev_get_mesh_config(rdev, dev, &cur_params);
29cbe68c
JB		 4999 wdev_unlock(wdev);
5000
93da9cc1 5001 if (err)
4c476991 5002 return err;
93da9cc1 5003
5004 /* Draw up a netlink message to send back */
fd2120ca 5005 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4c476991
JB		 5006 if (!msg)
5007 return -ENOMEM;
15e47304 5008 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
24bdd9f4 5009 NL80211_CMD_GET_MESH_CONFIG);
93da9cc1 5010 if (!hdr)
efe1cf0c 5011 goto out;
24bdd9f4 5012 pinfoattr = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG);
93da9cc1 5013 if (!pinfoattr)
5014 goto nla_put_failure;
9360ffd1
DM		 5015 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
5016 nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT,
5017 cur_params.dot11MeshRetryTimeout) ||
5018 nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT,
5019 cur_params.dot11MeshConfirmTimeout) ||
5020 nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT,
5021 cur_params.dot11MeshHoldingTimeout) ||
5022 nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
5023 cur_params.dot11MeshMaxPeerLinks) ||
5024 nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES,
5025 cur_params.dot11MeshMaxRetries) ||
5026 nla_put_u8(msg, NL80211_MESHCONF_TTL,
5027 cur_params.dot11MeshTTL) ||
5028 nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL,
5029 cur_params.element_ttl) ||
5030 nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
5031 cur_params.auto_open_plinks) ||
7eab0f64
JL		 5032 nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
5033 cur_params.dot11MeshNbrOffsetMaxNeighbor) ||
9360ffd1
DM		 5034 nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
5035 cur_params.dot11MeshHWMPmaxPREQretries) ||
5036 nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME,
5037 cur_params.path_refresh_time) ||
5038 nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
5039 cur_params.min_discovery_timeout) ||
5040 nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
5041 cur_params.dot11MeshHWMPactivePathTimeout) ||
5042 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
5043 cur_params.dot11MeshHWMPpreqMinInterval) ||
5044 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
5045 cur_params.dot11MeshHWMPperrMinInterval) ||
5046 nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
5047 cur_params.dot11MeshHWMPnetDiameterTraversalTime) ||
5048 nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE,
5049 cur_params.dot11MeshHWMPRootMode) ||
5050 nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL,
5051 cur_params.dot11MeshHWMPRannInterval) ||
5052 nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
5053 cur_params.dot11MeshGateAnnouncementProtocol) ||
5054 nla_put_u8(msg, NL80211_MESHCONF_FORWARDING,
5055 cur_params.dot11MeshForwarding) ||
5056 nla_put_u32(msg, NL80211_MESHCONF_RSSI_THRESHOLD,
70c33eaa
AN		 5057 cur_params.rssi_threshold) ||
5058 nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE,
ac1073a6
CYY		 5059 cur_params.ht_opmode) ||
5060 nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
5061 cur_params.dot11MeshHWMPactivePathToRootTimeout) ||
5062 nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
728b19e5
CYY		 5063 cur_params.dot11MeshHWMProotInterval) ||
5064 nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
3b1c5a53
MP		 5065 cur_params.dot11MeshHWMPconfirmationInterval) ||
5066 nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE,
5067 cur_params.power_mode) ||
5068 nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW,
8e7c0538
CT		 5069 cur_params.dot11MeshAwakeWindowDuration) ||
5070 nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT,
5071 cur_params.plink_timeout))
9360ffd1 5072 goto nla_put_failure;
93da9cc1 5073 nla_nest_end(msg, pinfoattr);
5074 genlmsg_end(msg, hdr);
4c476991 5075 return genlmsg_reply(msg, info);
93da9cc1 5076
3b85875a 5077 nla_put_failure:
93da9cc1 5078 genlmsg_cancel(msg, hdr);
efe1cf0c 5079 out:
d080e275 5080 nlmsg_free(msg);
4c476991 5081 return -ENOBUFS;
93da9cc1 5082}
5083
b54452b0 5084static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = {
93da9cc1 5085 [NL80211_MESHCONF_RETRY_TIMEOUT] = { .type = NLA_U16 },
5086 [NL80211_MESHCONF_CONFIRM_TIMEOUT] = { .type = NLA_U16 },
5087 [NL80211_MESHCONF_HOLDING_TIMEOUT] = { .type = NLA_U16 },
5088 [NL80211_MESHCONF_MAX_PEER_LINKS] = { .type = NLA_U16 },
5089 [NL80211_MESHCONF_MAX_RETRIES] = { .type = NLA_U8 },
5090 [NL80211_MESHCONF_TTL] = { .type = NLA_U8 },
45904f21 5091 [NL80211_MESHCONF_ELEMENT_TTL] = { .type = NLA_U8 },
93da9cc1 5092 [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = { .type = NLA_U8 },
d299a1f2 5093 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] = { .type = NLA_U32 },
93da9cc1 5094 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 },
5095 [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 },
5096 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = { .type = NLA_U16 },
5097 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 },
5098 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] = { .type = NLA_U16 },
dca7e943 5099 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] = { .type = NLA_U16 },
93da9cc1 5100 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] = { .type = NLA_U16 },
699403db 5101 [NL80211_MESHCONF_HWMP_ROOTMODE] = { .type = NLA_U8 },
0507e159 5102 [NL80211_MESHCONF_HWMP_RANN_INTERVAL] = { .type = NLA_U16 },
16dd7267 5103 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = { .type = NLA_U8 },
94f90656 5104 [NL80211_MESHCONF_FORWARDING] = { .type = NLA_U8 },
a4f606ea
CYY		 5105 [NL80211_MESHCONF_RSSI_THRESHOLD] = { .type = NLA_U32 },
5106 [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 },
ac1073a6
CYY		 5107 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 },
5108 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] = { .type = NLA_U16 },
728b19e5 5109 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] = { .type = NLA_U16 },
3b1c5a53
MP		 5110 [NL80211_MESHCONF_POWER_MODE] = { .type = NLA_U32 },
5111 [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 },
8e7c0538 5112 [NL80211_MESHCONF_PLINK_TIMEOUT] = { .type = NLA_U32 },
93da9cc1 5113};
5114
c80d545d
JC		 5115static const struct nla_policy
5116 nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = {
d299a1f2 5117 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 },
c80d545d
JC		 5118 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 },
5119 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 },
15d5dda6 5120 [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG },
6e16d90b 5121 [NL80211_MESH_SETUP_AUTH_PROTOCOL] = { .type = NLA_U8 },
bb2798d4 5122 [NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG },
581a8b0f 5123 [NL80211_MESH_SETUP_IE] = { .type = NLA_BINARY,
a4f606ea 5124 .len = IEEE80211_MAX_DATA_LEN },
b130e5ce 5125 [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG },
c80d545d
JC		 5126};
5127
24bdd9f4 5128static int nl80211_parse_mesh_config(struct genl_info *info,
bd90fdcc
JB		 5129 struct mesh_config *cfg,
5130 u32 *mask_out)
93da9cc1 5131{
93da9cc1 5132 struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1];
bd90fdcc 5133 u32 mask = 0;
93da9cc1 5134
ea54fba2
MP		 5135#define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \
5136do { \
5137 if (tb[attr]) { \
5138 if (fn(tb[attr]) < min || fn(tb[attr]) > max) \
5139 return -EINVAL; \
5140 cfg->param = fn(tb[attr]); \
5141 mask |= (1 << (attr - 1)); \
5142 } \
5143} while (0)
bd90fdcc
JB		 5144
5145
24bdd9f4 5146 if (!info->attrs[NL80211_ATTR_MESH_CONFIG])
93da9cc1 5147 return -EINVAL;
5148 if (nla_parse_nested(tb, NL80211_MESHCONF_ATTR_MAX,
24bdd9f4 5149 info->attrs[NL80211_ATTR_MESH_CONFIG],
bd90fdcc 5150 nl80211_meshconf_params_policy))
93da9cc1 5151 return -EINVAL;
5152
93da9cc1 5153 /* This makes sure that there aren't more than 32 mesh config
5154 * parameters (otherwise our bitfield scheme would not work.) */
5155 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32);
5156
5157 /* Fill in the params struct */
ea54fba2 5158 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, 1, 255,
a4f606ea
CYY		 5159 mask, NL80211_MESHCONF_RETRY_TIMEOUT,
5160 nla_get_u16);
ea54fba2 5161 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, 1, 255,
a4f606ea
CYY		 5162 mask, NL80211_MESHCONF_CONFIRM_TIMEOUT,
5163 nla_get_u16);
ea54fba2 5164 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, 1, 255,
a4f606ea
CYY		 5165 mask, NL80211_MESHCONF_HOLDING_TIMEOUT,
5166 nla_get_u16);
ea54fba2 5167 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, 0, 255,
a4f606ea
CYY		 5168 mask, NL80211_MESHCONF_MAX_PEER_LINKS,
5169 nla_get_u16);
ea54fba2 5170 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, 0, 16,
a4f606ea
CYY		 5171 mask, NL80211_MESHCONF_MAX_RETRIES,
5172 nla_get_u8);
ea54fba2 5173 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, 1, 255,
a4f606ea 5174 mask, NL80211_MESHCONF_TTL, nla_get_u8);
ea54fba2 5175 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, 1, 255,
a4f606ea
CYY		 5176 mask, NL80211_MESHCONF_ELEMENT_TTL,
5177 nla_get_u8);
ea54fba2 5178 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, 0, 1,
a4f606ea
CYY		 5179 mask, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
5180 nla_get_u8);
ea54fba2
MP		 5181 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor,
5182 1, 255, mask,
a4f606ea
CYY		 5183 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
5184 nla_get_u32);
ea54fba2 5185 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, 0, 255,
a4f606ea
CYY		 5186 mask, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
5187 nla_get_u8);
ea54fba2 5188 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, 1, 65535,
a4f606ea
CYY		 5189 mask, NL80211_MESHCONF_PATH_REFRESH_TIME,
5190 nla_get_u32);
ea54fba2 5191 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, 1, 65535,
a4f606ea
CYY		 5192 mask, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
5193 nla_get_u16);
ea54fba2
MP		 5194 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout,
5195 1, 65535, mask,
a4f606ea
CYY		 5196 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
5197 nla_get_u32);
93da9cc1 5198 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval,
ea54fba2
MP		 5199 1, 65535, mask,
5200 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
a4f606ea 5201 nla_get_u16);
dca7e943 5202 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval,
ea54fba2
MP		 5203 1, 65535, mask,
5204 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
a4f606ea 5205 nla_get_u16);
93da9cc1 5206 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
ea54fba2
MP		 5207 dot11MeshHWMPnetDiameterTraversalTime,
5208 1, 65535, mask,
a4f606ea
CYY		 5209 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
5210 nla_get_u16);
ea54fba2
MP		 5211 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, 0, 4,
5212 mask, NL80211_MESHCONF_HWMP_ROOTMODE,
5213 nla_get_u8);
5214 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, 1, 65535,
5215 mask, NL80211_MESHCONF_HWMP_RANN_INTERVAL,
a4f606ea 5216 nla_get_u16);
63c5723b 5217 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
ea54fba2
MP		 5218 dot11MeshGateAnnouncementProtocol, 0, 1,
5219 mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
a4f606ea 5220 nla_get_u8);
ea54fba2 5221 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, 0, 1,
a4f606ea
CYY		 5222 mask, NL80211_MESHCONF_FORWARDING,
5223 nla_get_u8);
83374fe9 5224 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, -255, 0,
a4f606ea 5225 mask, NL80211_MESHCONF_RSSI_THRESHOLD,
83374fe9 5226 nla_get_s32);
ea54fba2 5227 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, ht_opmode, 0, 16,
a4f606ea 5228 mask, NL80211_MESHCONF_HT_OPMODE,
ac1073a6
CYY		 5229 nla_get_u16);
5230 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathToRootTimeout,
ea54fba2 5231 1, 65535, mask,
ac1073a6
CYY		 5232 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
5233 nla_get_u32);
ea54fba2 5234 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, 1, 65535,
ac1073a6 5235 mask, NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
728b19e5
CYY		 5236 nla_get_u16);
5237 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
ea54fba2
MP		 5238 dot11MeshHWMPconfirmationInterval,
5239 1, 65535, mask,
728b19e5 5240 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
a4f606ea 5241 nla_get_u16);
3b1c5a53
MP		 5242 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode,
5243 NL80211_MESH_POWER_ACTIVE,
5244 NL80211_MESH_POWER_MAX,
5245 mask, NL80211_MESHCONF_POWER_MODE,
5246 nla_get_u32);
5247 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration,
5248 0, 65535, mask,
5249 NL80211_MESHCONF_AWAKE_WINDOW, nla_get_u16);
8e7c0538
CT		 5250 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, plink_timeout, 1, 0xffffffff,
5251 mask, NL80211_MESHCONF_PLINK_TIMEOUT,
5252 nla_get_u32);
bd90fdcc
JB		 5253 if (mask_out)
5254 *mask_out = mask;
c80d545d 5255
bd90fdcc
JB		 5256 return 0;
5257
5258#undef FILL_IN_MESH_PARAM_IF_SET
5259}
5260
c80d545d
JC		 5261static int nl80211_parse_mesh_setup(struct genl_info *info,
5262 struct mesh_setup *setup)
5263{
bb2798d4 5264 struct cfg80211_registered_device *rdev = info->user_ptr[0];
c80d545d
JC		 5265 struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1];
5266
5267 if (!info->attrs[NL80211_ATTR_MESH_SETUP])
5268 return -EINVAL;
5269 if (nla_parse_nested(tb, NL80211_MESH_SETUP_ATTR_MAX,
5270 info->attrs[NL80211_ATTR_MESH_SETUP],
5271 nl80211_mesh_setup_params_policy))
5272 return -EINVAL;
5273
d299a1f2
JC		 5274 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])
5275 setup->sync_method =
5276 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ?
5277 IEEE80211_SYNC_METHOD_VENDOR :
5278 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET;
5279
c80d545d
JC		 5280 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])
5281 setup->path_sel_proto =
5282 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ?
5283 IEEE80211_PATH_PROTOCOL_VENDOR :
5284 IEEE80211_PATH_PROTOCOL_HWMP;
5285
5286 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])
5287 setup->path_metric =
5288 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ?
5289 IEEE80211_PATH_METRIC_VENDOR :
5290 IEEE80211_PATH_METRIC_AIRTIME;
5291
581a8b0f
JC		 5292
5293 if (tb[NL80211_MESH_SETUP_IE]) {
c80d545d 5294 struct nlattr *ieattr =
581a8b0f 5295 tb[NL80211_MESH_SETUP_IE];
c80d545d
JC		 5296 if (!is_valid_ie_attr(ieattr))
5297 return -EINVAL;
581a8b0f
JC		 5298 setup->ie = nla_data(ieattr);
5299 setup->ie_len = nla_len(ieattr);
c80d545d 5300 }
bb2798d4
TP		 5301 if (tb[NL80211_MESH_SETUP_USERSPACE_MPM] &&
5302 !(rdev->wiphy.features & NL80211_FEATURE_USERSPACE_MPM))
5303 return -EINVAL;
5304 setup->user_mpm = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_MPM]);
b130e5ce
JC		 5305 setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]);
5306 setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]);
bb2798d4
TP		 5307 if (setup->is_secure)
5308 setup->user_mpm = true;
c80d545d 5309
6e16d90b
CT		 5310 if (tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]) {
5311 if (!setup->user_mpm)
5312 return -EINVAL;
5313 setup->auth_id =
5314 nla_get_u8(tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]);
5315 }
5316
c80d545d
JC		 5317 return 0;
5318}
5319
24bdd9f4 5320static int nl80211_update_mesh_config(struct sk_buff *skb,
29cbe68c 5321 struct genl_info *info)
bd90fdcc
JB		 5322{
5323 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5324 struct net_device *dev = info->user_ptr[1];
29cbe68c 5325 struct wireless_dev *wdev = dev->ieee80211_ptr;
bd90fdcc
JB		 5326 struct mesh_config cfg;
5327 u32 mask;
5328 int err;
5329
29cbe68c
JB		 5330 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
5331 return -EOPNOTSUPP;
5332
24bdd9f4 5333 if (!rdev->ops->update_mesh_config)
bd90fdcc
JB		 5334 return -EOPNOTSUPP;
5335
24bdd9f4 5336 err = nl80211_parse_mesh_config(info, &cfg, &mask);
bd90fdcc
JB		 5337 if (err)
5338 return err;
5339
29cbe68c
JB		 5340 wdev_lock(wdev);
5341 if (!wdev->mesh_id_len)
5342 err = -ENOLINK;
5343
5344 if (!err)
e35e4d28 5345 err = rdev_update_mesh_config(rdev, dev, mask, &cfg);
29cbe68c
JB		 5346
5347 wdev_unlock(wdev);
5348
5349 return err;
93da9cc1 5350}
5351
ad30ca2c
AN		 5352static int nl80211_put_regdom(const struct ieee80211_regdomain *regdom,
5353 struct sk_buff *msg)
f130347c 5354{
f130347c
LR		 5355 struct nlattr *nl_reg_rules;
5356 unsigned int i;
f130347c 5357
458f4f9e
JB		 5358 if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, regdom->alpha2) ||
5359 (regdom->dfs_region &&
5360 nla_put_u8(msg, NL80211_ATTR_DFS_REGION, regdom->dfs_region)))
ad30ca2c 5361 goto nla_put_failure;
458f4f9e 5362
f130347c
LR		 5363 nl_reg_rules = nla_nest_start(msg, NL80211_ATTR_REG_RULES);
5364 if (!nl_reg_rules)
ad30ca2c 5365 goto nla_put_failure;
f130347c 5366
458f4f9e 5367 for (i = 0; i < regdom->n_reg_rules; i++) {
f130347c
LR		 5368 struct nlattr *nl_reg_rule;
5369 const struct ieee80211_reg_rule *reg_rule;
5370 const struct ieee80211_freq_range *freq_range;
5371 const struct ieee80211_power_rule *power_rule;
97524820 5372 unsigned int max_bandwidth_khz;
f130347c 5373
458f4f9e 5374 reg_rule = &regdom->reg_rules[i];
f130347c
LR		 5375 freq_range = &reg_rule->freq_range;
5376 power_rule = &reg_rule->power_rule;
5377
5378 nl_reg_rule = nla_nest_start(msg, i);
5379 if (!nl_reg_rule)
ad30ca2c 5380 goto nla_put_failure;
f130347c 5381
97524820
JD		 5382 max_bandwidth_khz = freq_range->max_bandwidth_khz;
5383 if (!max_bandwidth_khz)
5384 max_bandwidth_khz = reg_get_max_bandwidth(regdom,
5385 reg_rule);
5386
9360ffd1
DM		 5387 if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS,
5388 reg_rule->flags) ||
5389 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START,
5390 freq_range->start_freq_khz) ||
5391 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END,
5392 freq_range->end_freq_khz) ||
5393 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW,
97524820 5394 max_bandwidth_khz) ||
9360ffd1
DM		 5395 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN,
5396 power_rule->max_antenna_gain) ||
5397 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP,
089027e5
JD		 5398 power_rule->max_eirp) ||
5399 nla_put_u32(msg, NL80211_ATTR_DFS_CAC_TIME,
5400 reg_rule->dfs_cac_ms))
ad30ca2c 5401 goto nla_put_failure;
f130347c
LR		 5402
5403 nla_nest_end(msg, nl_reg_rule);
5404 }
5405
5406 nla_nest_end(msg, nl_reg_rules);
ad30ca2c
AN		 5407 return 0;
5408
5409nla_put_failure:
5410 return -EMSGSIZE;
5411}
5412
5413static int nl80211_get_reg_do(struct sk_buff *skb, struct genl_info *info)
5414{
5415 const struct ieee80211_regdomain *regdom = NULL;
5416 struct cfg80211_registered_device *rdev;
5417 struct wiphy *wiphy = NULL;
5418 struct sk_buff *msg;
5419 void *hdr;
5420
5421 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
5422 if (!msg)
5423 return -ENOBUFS;
5424
5425 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
5426 NL80211_CMD_GET_REG);
5427 if (!hdr)
5428 goto put_failure;
5429
5430 if (info->attrs[NL80211_ATTR_WIPHY]) {
1bdd716c
AN		 5431 bool self_managed;
5432
ad30ca2c
AN		 5433 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
5434 if (IS_ERR(rdev)) {
5435 nlmsg_free(msg);
5436 return PTR_ERR(rdev);
5437 }
5438
5439 wiphy = &rdev->wiphy;
1bdd716c
AN		 5440 self_managed = wiphy->regulatory_flags &
5441 REGULATORY_WIPHY_SELF_MANAGED;
ad30ca2c
AN		 5442 regdom = get_wiphy_regdom(wiphy);
5443
1bdd716c
AN		 5444 /* a self-managed-reg device must have a private regdom */
5445 if (WARN_ON(!regdom && self_managed)) {
5446 nlmsg_free(msg);
5447 return -EINVAL;
5448 }
5449
ad30ca2c
AN		 5450 if (regdom &&
5451 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
5452 goto nla_put_failure;
5453 }
5454
5455 if (!wiphy && reg_last_request_cell_base() &&
5456 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
5457 NL80211_USER_REG_HINT_CELL_BASE))
5458 goto nla_put_failure;
5459
5460 rcu_read_lock();
5461
5462 if (!regdom)
5463 regdom = rcu_dereference(cfg80211_regdomain);
5464
5465 if (nl80211_put_regdom(regdom, msg))
5466 goto nla_put_failure_rcu;
5467
5468 rcu_read_unlock();
f130347c
LR		 5469
5470 genlmsg_end(msg, hdr);
5fe231e8 5471 return genlmsg_reply(msg, info);
f130347c 5472
458f4f9e
JB		 5473nla_put_failure_rcu:
5474 rcu_read_unlock();
f130347c
LR		 5475nla_put_failure:
5476 genlmsg_cancel(msg, hdr);
efe1cf0c 5477put_failure:
d080e275 5478 nlmsg_free(msg);
5fe231e8 5479 return -EMSGSIZE;
f130347c
LR		 5480}
5481
ad30ca2c
AN		 5482static int nl80211_send_regdom(struct sk_buff *msg, struct netlink_callback *cb,
5483 u32 seq, int flags, struct wiphy *wiphy,
5484 const struct ieee80211_regdomain *regdom)
5485{
5486 void *hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
5487 NL80211_CMD_GET_REG);
5488
5489 if (!hdr)
5490 return -1;
5491
5492 genl_dump_check_consistent(cb, hdr, &nl80211_fam);
5493
5494 if (nl80211_put_regdom(regdom, msg))
5495 goto nla_put_failure;
5496
5497 if (!wiphy && reg_last_request_cell_base() &&
5498 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
5499 NL80211_USER_REG_HINT_CELL_BASE))
5500 goto nla_put_failure;
5501
5502 if (wiphy &&
5503 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
5504 goto nla_put_failure;
5505
1bdd716c
AN		 5506 if (wiphy && wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
5507 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
5508 goto nla_put_failure;
5509
ad30ca2c
AN		 5510 return genlmsg_end(msg, hdr);
5511
5512nla_put_failure:
5513 genlmsg_cancel(msg, hdr);
5514 return -EMSGSIZE;
5515}
5516
5517static int nl80211_get_reg_dump(struct sk_buff *skb,
5518 struct netlink_callback *cb)
5519{
5520 const struct ieee80211_regdomain *regdom = NULL;
5521 struct cfg80211_registered_device *rdev;
5522 int err, reg_idx, start = cb->args[2];
5523
5524 rtnl_lock();
5525
5526 if (cfg80211_regdomain && start == 0) {
5527 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
5528 NLM_F_MULTI, NULL,
5529 rtnl_dereference(cfg80211_regdomain));
5530 if (err < 0)
5531 goto out_err;
5532 }
5533
5534 /* the global regdom is idx 0 */
5535 reg_idx = 1;
5536 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
5537 regdom = get_wiphy_regdom(&rdev->wiphy);
5538 if (!regdom)
5539 continue;
5540
5541 if (++reg_idx <= start)
5542 continue;
5543
5544 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
5545 NLM_F_MULTI, &rdev->wiphy, regdom);
5546 if (err < 0) {
5547 reg_idx--;
5548 break;
5549 }
5550 }
5551
5552 cb->args[2] = reg_idx;
5553 err = skb->len;
5554out_err:
5555 rtnl_unlock();
5556 return err;
5557}
5558
b2e1b302
LR		 5559static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info)
5560{
5561 struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1];
5562 struct nlattr *nl_reg_rule;
ea372c54
JB		 5563 char *alpha2;
5564 int rem_reg_rules, r;
b2e1b302 5565 u32 num_rules = 0, rule_idx = 0, size_of_regd;
4c7d3982 5566 enum nl80211_dfs_regions dfs_region = NL80211_DFS_UNSET;
ea372c54 5567 struct ieee80211_regdomain *rd;
b2e1b302
LR		 5568
5569 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
5570 return -EINVAL;
5571
5572 if (!info->attrs[NL80211_ATTR_REG_RULES])
5573 return -EINVAL;
5574
5575 alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
5576
8b60b078
LR		 5577 if (info->attrs[NL80211_ATTR_DFS_REGION])
5578 dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]);
5579
b2e1b302 5580 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
1a919318 5581 rem_reg_rules) {
b2e1b302
LR		 5582 num_rules++;
5583 if (num_rules > NL80211_MAX_SUPP_REG_RULES)
4776c6e7 5584 return -EINVAL;
b2e1b302
LR		 5585 }
5586
e438768f
LR		 5587 if (!reg_is_valid_request(alpha2))
5588 return -EINVAL;
5589
b2e1b302 5590 size_of_regd = sizeof(struct ieee80211_regdomain) +
1a919318 5591 num_rules * sizeof(struct ieee80211_reg_rule);
b2e1b302
LR		 5592
5593 rd = kzalloc(size_of_regd, GFP_KERNEL);
6913b49a
JB		 5594 if (!rd)
5595 return -ENOMEM;
b2e1b302
LR		 5596
5597 rd->n_reg_rules = num_rules;
5598 rd->alpha2[0] = alpha2[0];
5599 rd->alpha2[1] = alpha2[1];
5600
8b60b078
LR		 5601 /*
5602 * Disable DFS master mode if the DFS region was
5603 * not supported or known on this kernel.
5604 */
5605 if (reg_supported_dfs_region(dfs_region))
5606 rd->dfs_region = dfs_region;
5607
b2e1b302 5608 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
1a919318 5609 rem_reg_rules) {
ae811e21
JB		 5610 r = nla_parse(tb, NL80211_REG_RULE_ATTR_MAX,
5611 nla_data(nl_reg_rule), nla_len(nl_reg_rule),
5612 reg_rule_policy);
5613 if (r)
5614 goto bad_reg;
b2e1b302
LR		 5615 r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]);
5616 if (r)
5617 goto bad_reg;
5618
5619 rule_idx++;
5620
d0e18f83
LR		 5621 if (rule_idx > NL80211_MAX_SUPP_REG_RULES) {
5622 r = -EINVAL;
b2e1b302 5623 goto bad_reg;
d0e18f83 5624 }
b2e1b302
LR		 5625 }
5626
b2e1b302 5627 r = set_regdom(rd);
6913b49a 5628 /* set_regdom took ownership */
1a919318 5629 rd = NULL;
b2e1b302 5630
d2372b31 5631 bad_reg:
b2e1b302 5632 kfree(rd);
d0e18f83 5633 return r;
b2e1b302
LR		 5634}
5635
83f5e2cf
JB		 5636static int validate_scan_freqs(struct nlattr *freqs)
5637{
5638 struct nlattr *attr1, *attr2;
5639 int n_channels = 0, tmp1, tmp2;
5640
5641 nla_for_each_nested(attr1, freqs, tmp1) {
5642 n_channels++;
5643 /*
5644 * Some hardware has a limited channel list for
5645 * scanning, and it is pretty much nonsensical
5646 * to scan for a channel twice, so disallow that
5647 * and don't require drivers to check that the
5648 * channel list they get isn't longer than what
5649 * they can scan, as long as they can scan all
5650 * the channels they registered at once.
5651 */
5652 nla_for_each_nested(attr2, freqs, tmp2)
5653 if (attr1 != attr2 &&
5654 nla_get_u32(attr1) == nla_get_u32(attr2))
5655 return 0;
5656 }
5657
5658 return n_channels;
5659}
5660
ad2b26ab
JB		 5661static int nl80211_parse_random_mac(struct nlattr **attrs,
5662 u8 *mac_addr, u8 *mac_addr_mask)
5663{
5664 int i;
5665
5666 if (!attrs[NL80211_ATTR_MAC] && !attrs[NL80211_ATTR_MAC_MASK]) {
5667 memset(mac_addr, 0, ETH_ALEN);
5668 memset(mac_addr_mask, 0, ETH_ALEN);
5669 mac_addr[0] = 0x2;
5670 mac_addr_mask[0] = 0x3;
5671
5672 return 0;
5673 }
5674
5675 /* need both or none */
5676 if (!attrs[NL80211_ATTR_MAC] || !attrs[NL80211_ATTR_MAC_MASK])
5677 return -EINVAL;
5678
5679 memcpy(mac_addr, nla_data(attrs[NL80211_ATTR_MAC]), ETH_ALEN);
5680 memcpy(mac_addr_mask, nla_data(attrs[NL80211_ATTR_MAC_MASK]), ETH_ALEN);
5681
5682 /* don't allow or configure an mcast address */
5683 if (!is_multicast_ether_addr(mac_addr_mask) ||
5684 is_multicast_ether_addr(mac_addr))
5685 return -EINVAL;
5686
5687 /*
5688 * allow users to pass a MAC address that has bits set outside
5689 * of the mask, but don't bother drivers with having to deal
5690 * with such bits
5691 */
5692 for (i = 0; i < ETH_ALEN; i++)
5693 mac_addr[i] &= mac_addr_mask[i];
5694
5695 return 0;
5696}
5697
2a519311
JB		 5698static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
5699{
4c476991 5700 struct cfg80211_registered_device *rdev = info->user_ptr[0];
fd014284 5701 struct wireless_dev *wdev = info->user_ptr[1];
2a519311 5702 struct cfg80211_scan_request *request;
2a519311
JB		 5703 struct nlattr *attr;
5704 struct wiphy *wiphy;
83f5e2cf 5705 int err, tmp, n_ssids = 0, n_channels, i;
70692ad2 5706 size_t ie_len;
2a519311 5707
f4a11bb0
JB		 5708 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
5709 return -EINVAL;
5710
79c97e97 5711 wiphy = &rdev->wiphy;
2a519311 5712
4c476991
JB		 5713 if (!rdev->ops->scan)
5714 return -EOPNOTSUPP;
2a519311 5715
f9d15d16 5716 if (rdev->scan_req || rdev->scan_msg) {
f9f47529
JB		 5717 err = -EBUSY;
5718 goto unlock;
5719 }
2a519311
JB		 5720
5721 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
83f5e2cf
JB		 5722 n_channels = validate_scan_freqs(
5723 info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
f9f47529
JB		 5724 if (!n_channels) {
5725 err = -EINVAL;
5726 goto unlock;
5727 }
2a519311 5728 } else {
bdfbec2d 5729 n_channels = ieee80211_get_num_supported_channels(wiphy);
2a519311
JB		 5730 }
5731
5732 if (info->attrs[NL80211_ATTR_SCAN_SSIDS])
5733 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp)
5734 n_ssids++;
5735
f9f47529
JB		 5736 if (n_ssids > wiphy->max_scan_ssids) {
5737 err = -EINVAL;
5738 goto unlock;
5739 }
2a519311 5740
70692ad2
JM		 5741 if (info->attrs[NL80211_ATTR_IE])
5742 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
5743 else
5744 ie_len = 0;
5745
f9f47529
JB		 5746 if (ie_len > wiphy->max_scan_ie_len) {
5747 err = -EINVAL;
5748 goto unlock;
5749 }
18a83659 5750
2a519311 5751 request = kzalloc(sizeof(*request)
a2cd43c5
LC		 5752 + sizeof(*request->ssids) * n_ssids
5753 + sizeof(*request->channels) * n_channels
70692ad2 5754 + ie_len, GFP_KERNEL);
f9f47529
JB		 5755 if (!request) {
5756 err = -ENOMEM;
5757 goto unlock;
5758 }
2a519311 5759
2a519311 5760 if (n_ssids)
5ba63533 5761 request->ssids = (void *)&request->channels[n_channels];
2a519311 5762 request->n_ssids = n_ssids;
70692ad2
JM		 5763 if (ie_len) {
5764 if (request->ssids)
5765 request->ie = (void *)(request->ssids + n_ssids);
5766 else
5767 request->ie = (void *)(request->channels + n_channels);
5768 }
2a519311 5769
584991dc 5770 i = 0;
2a519311
JB		 5771 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
5772 /* user specified, bail out if channel not found */
2a519311 5773 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) {
584991dc
JB		 5774 struct ieee80211_channel *chan;
5775
5776 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
5777
5778 if (!chan) {
2a519311
JB		 5779 err = -EINVAL;
5780 goto out_free;
5781 }
584991dc
JB		 5782
5783 /* ignore disabled channels */
5784 if (chan->flags & IEEE80211_CHAN_DISABLED)
5785 continue;
5786
5787 request->channels[i] = chan;
2a519311
JB		 5788 i++;
5789 }
5790 } else {
34850ab2
JB		 5791 enum ieee80211_band band;
5792
2a519311 5793 /* all channels */
2a519311
JB		 5794 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
5795 int j;
5796 if (!wiphy->bands[band])
5797 continue;
5798 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
584991dc
JB		 5799 struct ieee80211_channel *chan;
5800
5801 chan = &wiphy->bands[band]->channels[j];
5802
5803 if (chan->flags & IEEE80211_CHAN_DISABLED)
5804 continue;
5805
5806 request->channels[i] = chan;
2a519311
JB		 5807 i++;
5808 }
5809 }
5810 }
5811
584991dc
JB		 5812 if (!i) {
5813 err = -EINVAL;
5814 goto out_free;
5815 }
5816
5817 request->n_channels = i;
5818
2a519311
JB		 5819 i = 0;
5820 if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) {
5821 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) {
57a27e1d 5822 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
2a519311
JB		 5823 err = -EINVAL;
5824 goto out_free;
5825 }
57a27e1d 5826 request->ssids[i].ssid_len = nla_len(attr);
2a519311 5827 memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr));
2a519311
JB		 5828 i++;
5829 }
5830 }
5831
70692ad2
JM		 5832 if (info->attrs[NL80211_ATTR_IE]) {
5833 request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
de95a54b
JB		 5834 memcpy((void *)request->ie,
5835 nla_data(info->attrs[NL80211_ATTR_IE]),
70692ad2
JM		 5836 request->ie_len);
5837 }
5838
34850ab2 5839 for (i = 0; i < IEEE80211_NUM_BANDS; i++)
a401d2bb
JB		 5840 if (wiphy->bands[i])
5841 request->rates[i] =
5842 (1 << wiphy->bands[i]->n_bitrates) - 1;
34850ab2
JB		 5843
5844 if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) {
5845 nla_for_each_nested(attr,
5846 info->attrs[NL80211_ATTR_SCAN_SUPP_RATES],
5847 tmp) {
5848 enum ieee80211_band band = nla_type(attr);
5849
84404623 5850 if (band < 0 || band >= IEEE80211_NUM_BANDS) {
34850ab2
JB		 5851 err = -EINVAL;
5852 goto out_free;
5853 }
1b09cd82
FF		 5854
5855 if (!wiphy->bands[band])
5856 continue;
5857
34850ab2
JB		 5858 err = ieee80211_get_ratemask(wiphy->bands[band],
5859 nla_data(attr),
5860 nla_len(attr),
5861 &request->rates[band]);
5862 if (err)
5863 goto out_free;
5864 }
5865 }
5866
46856bbf 5867 if (info->attrs[NL80211_ATTR_SCAN_FLAGS]) {
ed473771
SL		 5868 request->flags = nla_get_u32(
5869 info->attrs[NL80211_ATTR_SCAN_FLAGS]);
00c3a6ed
JB		 5870 if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
5871 !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) {
46856bbf
SL		 5872 err = -EOPNOTSUPP;
5873 goto out_free;
5874 }
ad2b26ab
JB		 5875
5876 if (request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
5877 if (!(wiphy->features &
5878 NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR)) {
5879 err = -EOPNOTSUPP;
5880 goto out_free;
5881 }
5882
5883 if (wdev->current_bss) {
5884 err = -EOPNOTSUPP;
5885 goto out_free;
5886 }
5887
5888 err = nl80211_parse_random_mac(info->attrs,
5889 request->mac_addr,
5890 request->mac_addr_mask);
5891 if (err)
5892 goto out_free;
5893 }
46856bbf 5894 }
ed473771 5895
e9f935e3
RM		 5896 request->no_cck =
5897 nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
5898
fd014284 5899 request->wdev = wdev;
79c97e97 5900 request->wiphy = &rdev->wiphy;
15d6030b 5901 request->scan_start = jiffies;
2a519311 5902
79c97e97 5903 rdev->scan_req = request;
e35e4d28 5904 err = rdev_scan(rdev, request);
2a519311 5905
463d0183 5906 if (!err) {
fd014284
JB		 5907 nl80211_send_scan_start(rdev, wdev);
5908 if (wdev->netdev)
5909 dev_hold(wdev->netdev);
4c476991 5910 } else {
2a519311 5911 out_free:
79c97e97 5912 rdev->scan_req = NULL;
2a519311
JB		 5913 kfree(request);
5914 }
3b85875a 5915
f9f47529 5916 unlock:
2a519311
JB		 5917 return err;
5918}
5919
256da02d 5920static struct cfg80211_sched_scan_request *
ad2b26ab 5921nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev,
256da02d 5922 struct nlattr **attrs)
807f8a8c
LC		 5923{
5924 struct cfg80211_sched_scan_request *request;
807f8a8c 5925 struct nlattr *attr;
a1f1c21c 5926 int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i;
bbe6ad6d 5927 u32 interval;
807f8a8c
LC		 5928 enum ieee80211_band band;
5929 size_t ie_len;
a1f1c21c 5930 struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1];
ea73cbce 5931 s32 default_match_rssi = NL80211_SCAN_RSSI_THOLD_OFF;
807f8a8c 5932
256da02d
LC		 5933 if (!is_valid_ie_attr(attrs[NL80211_ATTR_IE]))
5934 return ERR_PTR(-EINVAL);
807f8a8c 5935
256da02d
LC		 5936 if (!attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
5937 return ERR_PTR(-EINVAL);
bbe6ad6d 5938
256da02d 5939 interval = nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]);
bbe6ad6d 5940 if (interval == 0)
256da02d 5941 return ERR_PTR(-EINVAL);
807f8a8c 5942
256da02d 5943 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
807f8a8c 5944 n_channels = validate_scan_freqs(
256da02d 5945 attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
807f8a8c 5946 if (!n_channels)
256da02d 5947 return ERR_PTR(-EINVAL);
807f8a8c 5948 } else {
bdfbec2d 5949 n_channels = ieee80211_get_num_supported_channels(wiphy);
807f8a8c
LC		 5950 }
5951
256da02d
LC		 5952 if (attrs[NL80211_ATTR_SCAN_SSIDS])
5953 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
807f8a8c
LC		 5954 tmp)
5955 n_ssids++;
5956
93b6aa69 5957 if (n_ssids > wiphy->max_sched_scan_ssids)
256da02d 5958 return ERR_PTR(-EINVAL);
807f8a8c 5959
ea73cbce
JB		 5960 /*
5961 * First, count the number of 'real' matchsets. Due to an issue with
5962 * the old implementation, matchsets containing only the RSSI attribute
5963 * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default'
5964 * RSSI for all matchsets, rather than their own matchset for reporting
5965 * all APs with a strong RSSI. This is needed to be compatible with
5966 * older userspace that treated a matchset with only the RSSI as the
5967 * global RSSI for all other matchsets - if there are other matchsets.
5968 */
256da02d 5969 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
a1f1c21c 5970 nla_for_each_nested(attr,
256da02d 5971 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
ea73cbce
JB		 5972 tmp) {
5973 struct nlattr *rssi;
5974
5975 err = nla_parse(tb, NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
5976 nla_data(attr), nla_len(attr),
5977 nl80211_match_policy);
5978 if (err)
256da02d 5979 return ERR_PTR(err);
ea73cbce
JB		 5980 /* add other standalone attributes here */
5981 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID]) {
5982 n_match_sets++;
5983 continue;
5984 }
5985 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
5986 if (rssi)
5987 default_match_rssi = nla_get_s32(rssi);
5988 }
5989 }
5990
5991 /* However, if there's no other matchset, add the RSSI one */
5992 if (!n_match_sets && default_match_rssi != NL80211_SCAN_RSSI_THOLD_OFF)
5993 n_match_sets = 1;
a1f1c21c
LC		 5994
5995 if (n_match_sets > wiphy->max_match_sets)
256da02d 5996 return ERR_PTR(-EINVAL);
a1f1c21c 5997
256da02d
LC		 5998 if (attrs[NL80211_ATTR_IE])
5999 ie_len = nla_len(attrs[NL80211_ATTR_IE]);
807f8a8c
LC		 6000 else
6001 ie_len = 0;
6002
5a865bad 6003 if (ie_len > wiphy->max_sched_scan_ie_len)
256da02d 6004 return ERR_PTR(-EINVAL);
c10841ca 6005
807f8a8c 6006 request = kzalloc(sizeof(*request)
a2cd43c5 6007 + sizeof(*request->ssids) * n_ssids
a1f1c21c 6008 + sizeof(*request->match_sets) * n_match_sets
a2cd43c5 6009 + sizeof(*request->channels) * n_channels
807f8a8c 6010 + ie_len, GFP_KERNEL);
256da02d
LC		 6011 if (!request)
6012 return ERR_PTR(-ENOMEM);
807f8a8c
LC		 6013
6014 if (n_ssids)
6015 request->ssids = (void *)&request->channels[n_channels];
6016 request->n_ssids = n_ssids;
6017 if (ie_len) {
6018 if (request->ssids)
6019 request->ie = (void *)(request->ssids + n_ssids);
6020 else
6021 request->ie = (void *)(request->channels + n_channels);
6022 }
6023
a1f1c21c
LC		 6024 if (n_match_sets) {
6025 if (request->ie)
6026 request->match_sets = (void *)(request->ie + ie_len);
6027 else if (request->ssids)
6028 request->match_sets =
6029 (void *)(request->ssids + n_ssids);
6030 else
6031 request->match_sets =
6032 (void *)(request->channels + n_channels);
6033 }
6034 request->n_match_sets = n_match_sets;
6035
807f8a8c 6036 i = 0;
256da02d 6037 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
807f8a8c
LC		 6038 /* user specified, bail out if channel not found */
6039 nla_for_each_nested(attr,
256da02d 6040 attrs[NL80211_ATTR_SCAN_FREQUENCIES],
807f8a8c
LC		 6041 tmp) {
6042 struct ieee80211_channel *chan;
6043
6044 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
6045
6046 if (!chan) {
6047 err = -EINVAL;
6048 goto out_free;
6049 }
6050
6051 /* ignore disabled channels */
6052 if (chan->flags & IEEE80211_CHAN_DISABLED)
6053 continue;
6054
6055 request->channels[i] = chan;
6056 i++;
6057 }
6058 } else {
6059 /* all channels */
6060 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
6061 int j;
6062 if (!wiphy->bands[band])
6063 continue;
6064 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
6065 struct ieee80211_channel *chan;
6066
6067 chan = &wiphy->bands[band]->channels[j];
6068
6069 if (chan->flags & IEEE80211_CHAN_DISABLED)
6070 continue;
6071
6072 request->channels[i] = chan;
6073 i++;
6074 }
6075 }
6076 }
6077
6078 if (!i) {
6079 err = -EINVAL;
6080 goto out_free;
6081 }
6082
6083 request->n_channels = i;
6084
6085 i = 0;
256da02d
LC		 6086 if (attrs[NL80211_ATTR_SCAN_SSIDS]) {
6087 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
807f8a8c 6088 tmp) {
57a27e1d 6089 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
807f8a8c
LC		 6090 err = -EINVAL;
6091 goto out_free;
6092 }
57a27e1d 6093 request->ssids[i].ssid_len = nla_len(attr);
807f8a8c
LC		 6094 memcpy(request->ssids[i].ssid, nla_data(attr),
6095 nla_len(attr));
807f8a8c
LC		 6096 i++;
6097 }
6098 }
6099
a1f1c21c 6100 i = 0;
256da02d 6101 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
a1f1c21c 6102 nla_for_each_nested(attr,
256da02d 6103 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
a1f1c21c 6104 tmp) {
88e920b4 6105 struct nlattr *ssid, *rssi;
a1f1c21c 6106
ae811e21
JB		 6107 err = nla_parse(tb, NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
6108 nla_data(attr), nla_len(attr),
6109 nl80211_match_policy);
6110 if (err)
6111 goto out_free;
4a4ab0d7 6112 ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID];
a1f1c21c 6113 if (ssid) {
ea73cbce
JB		 6114 if (WARN_ON(i >= n_match_sets)) {
6115 /* this indicates a programming error,
6116 * the loop above should have verified
6117 * things properly
6118 */
6119 err = -EINVAL;
6120 goto out_free;
6121 }
6122
a1f1c21c
LC		 6123 if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) {
6124 err = -EINVAL;
6125 goto out_free;
6126 }
6127 memcpy(request->match_sets[i].ssid.ssid,
6128 nla_data(ssid), nla_len(ssid));
6129 request->match_sets[i].ssid.ssid_len =
6130 nla_len(ssid);
ea73cbce
JB		 6131 /* special attribute - old implemenation w/a */
6132 request->match_sets[i].rssi_thold =
6133 default_match_rssi;
6134 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
6135 if (rssi)
6136 request->match_sets[i].rssi_thold =
6137 nla_get_s32(rssi);
a1f1c21c
LC		 6138 }
6139 i++;
6140 }
ea73cbce
JB		 6141
6142 /* there was no other matchset, so the RSSI one is alone */
f89f46cf 6143 if (i == 0 && n_match_sets)
ea73cbce
JB		 6144 request->match_sets[0].rssi_thold = default_match_rssi;
6145
6146 request->min_rssi_thold = INT_MAX;
6147 for (i = 0; i < n_match_sets; i++)
6148 request->min_rssi_thold =
6149 min(request->match_sets[i].rssi_thold,
6150 request->min_rssi_thold);
6151 } else {
6152 request->min_rssi_thold = NL80211_SCAN_RSSI_THOLD_OFF;
a1f1c21c
LC		 6153 }
6154
9900e484
JB		 6155 if (ie_len) {
6156 request->ie_len = ie_len;
807f8a8c 6157 memcpy((void *)request->ie,
256da02d 6158 nla_data(attrs[NL80211_ATTR_IE]),
807f8a8c
LC		 6159 request->ie_len);
6160 }
6161
256da02d 6162 if (attrs[NL80211_ATTR_SCAN_FLAGS]) {
ed473771 6163 request->flags = nla_get_u32(
256da02d 6164 attrs[NL80211_ATTR_SCAN_FLAGS]);
00c3a6ed
JB		 6165 if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
6166 !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) {
46856bbf
SL		 6167 err = -EOPNOTSUPP;
6168 goto out_free;
6169 }
ad2b26ab
JB		 6170
6171 if (request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
6172 u32 flg = NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR;
6173
6174 if (!wdev) /* must be net-detect */
6175 flg = NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
6176
6177 if (!(wiphy->features & flg)) {
6178 err = -EOPNOTSUPP;
6179 goto out_free;
6180 }
6181
6182 if (wdev && wdev->current_bss) {
6183 err = -EOPNOTSUPP;
6184 goto out_free;
6185 }
6186
6187 err = nl80211_parse_random_mac(attrs, request->mac_addr,
6188 request->mac_addr_mask);
6189 if (err)
6190 goto out_free;
6191 }
46856bbf 6192 }
ed473771 6193
bbe6ad6d 6194 request->interval = interval;
15d6030b 6195 request->scan_start = jiffies;
807f8a8c 6196
256da02d 6197 return request;
807f8a8c
LC		 6198
6199out_free:
6200 kfree(request);
256da02d
LC		 6201 return ERR_PTR(err);
6202}
6203
6204static int nl80211_start_sched_scan(struct sk_buff *skb,
6205 struct genl_info *info)
6206{
6207 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6208 struct net_device *dev = info->user_ptr[1];
ad2b26ab 6209 struct wireless_dev *wdev = dev->ieee80211_ptr;
31a60ed1 6210 struct cfg80211_sched_scan_request *sched_scan_req;
256da02d
LC		 6211 int err;
6212
6213 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) ||
6214 !rdev->ops->sched_scan_start)
6215 return -EOPNOTSUPP;
6216
6217 if (rdev->sched_scan_req)
6218 return -EINPROGRESS;
6219
31a60ed1
JR		 6220 sched_scan_req = nl80211_parse_sched_scan(&rdev->wiphy, wdev,
6221 info->attrs);
6222
6223 err = PTR_ERR_OR_ZERO(sched_scan_req);
256da02d
LC		 6224 if (err)
6225 goto out_err;
6226
31a60ed1 6227 err = rdev_sched_scan_start(rdev, dev, sched_scan_req);
256da02d
LC		 6228 if (err)
6229 goto out_free;
6230
31a60ed1
JR		 6231 sched_scan_req->dev = dev;
6232 sched_scan_req->wiphy = &rdev->wiphy;
6233
93a1e86c
JR		 6234 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
6235 sched_scan_req->owner_nlportid = info->snd_portid;
6236
31a60ed1 6237 rcu_assign_pointer(rdev->sched_scan_req, sched_scan_req);
256da02d
LC		 6238
6239 nl80211_send_sched_scan(rdev, dev,
6240 NL80211_CMD_START_SCHED_SCAN);
6241 return 0;
6242
6243out_free:
31a60ed1 6244 kfree(sched_scan_req);
256da02d 6245out_err:
807f8a8c
LC		 6246 return err;
6247}
6248
6249static int nl80211_stop_sched_scan(struct sk_buff *skb,
6250 struct genl_info *info)
6251{
6252 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6253
6254 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) ||
6255 !rdev->ops->sched_scan_stop)
6256 return -EOPNOTSUPP;
6257
5fe231e8 6258 return __cfg80211_stop_sched_scan(rdev, false);
807f8a8c
LC		 6259}
6260
04f39047
SW		 6261static int nl80211_start_radar_detection(struct sk_buff *skb,
6262 struct genl_info *info)
6263{
6264 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6265 struct net_device *dev = info->user_ptr[1];
6266 struct wireless_dev *wdev = dev->ieee80211_ptr;
6267 struct cfg80211_chan_def chandef;
55f7435c 6268 enum nl80211_dfs_regions dfs_region;
31559f35 6269 unsigned int cac_time_ms;
04f39047
SW		 6270 int err;
6271
55f7435c
LR		 6272 dfs_region = reg_get_dfs_region(wdev->wiphy);
6273 if (dfs_region == NL80211_DFS_UNSET)
6274 return -EINVAL;
6275
04f39047
SW		 6276 err = nl80211_parse_chandef(rdev, info, &chandef);
6277 if (err)
6278 return err;
6279
ff311bc1
SW		 6280 if (netif_carrier_ok(dev))
6281 return -EBUSY;
6282
04f39047
SW		 6283 if (wdev->cac_started)
6284 return -EBUSY;
6285
2beb6dab 6286 err = cfg80211_chandef_dfs_required(wdev->wiphy, &chandef,
00ec75fc 6287 wdev->iftype);
04f39047
SW		 6288 if (err < 0)
6289 return err;
6290
6291 if (err == 0)
6292 return -EINVAL;
6293
fe7c3a1f 6294 if (!cfg80211_chandef_dfs_usable(wdev->wiphy, &chandef))
04f39047
SW		 6295 return -EINVAL;
6296
6297 if (!rdev->ops->start_radar_detection)
6298 return -EOPNOTSUPP;
6299
31559f35
JD		 6300 cac_time_ms = cfg80211_chandef_dfs_cac_time(&rdev->wiphy, &chandef);
6301 if (WARN_ON(!cac_time_ms))
6302 cac_time_ms = IEEE80211_DFS_MIN_CAC_TIME_MS;
6303
6304 err = rdev->ops->start_radar_detection(&rdev->wiphy, dev, &chandef,
6305 cac_time_ms);
04f39047 6306 if (!err) {
9e0e2961 6307 wdev->chandef = chandef;
04f39047
SW		 6308 wdev->cac_started = true;
6309 wdev->cac_start_time = jiffies;
31559f35 6310 wdev->cac_time_ms = cac_time_ms;
04f39047 6311 }
04f39047
SW		 6312 return err;
6313}
6314
16ef1fe2
SW		 6315static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info)
6316{
6317 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6318 struct net_device *dev = info->user_ptr[1];
6319 struct wireless_dev *wdev = dev->ieee80211_ptr;
6320 struct cfg80211_csa_settings params;
6321 /* csa_attrs is defined static to avoid waste of stack size - this
6322 * function is called under RTNL lock, so this should not be a problem.
6323 */
6324 static struct nlattr *csa_attrs[NL80211_ATTR_MAX+1];
16ef1fe2 6325 int err;
ee4bc9e7 6326 bool need_new_beacon = false;
9a774c78 6327 int len, i;
252e07ca 6328 u32 cs_count;
16ef1fe2
SW		 6329
6330 if (!rdev->ops->channel_switch ||
6331 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH))
6332 return -EOPNOTSUPP;
6333
ee4bc9e7
SW		 6334 switch (dev->ieee80211_ptr->iftype) {
6335 case NL80211_IFTYPE_AP:
6336 case NL80211_IFTYPE_P2P_GO:
6337 need_new_beacon = true;
6338
6339 /* useless if AP is not running */
6340 if (!wdev->beacon_interval)
1ff79dfa 6341 return -ENOTCONN;
ee4bc9e7
SW		 6342 break;
6343 case NL80211_IFTYPE_ADHOC:
1ff79dfa
JB		 6344 if (!wdev->ssid_len)
6345 return -ENOTCONN;
6346 break;
c6da674a 6347 case NL80211_IFTYPE_MESH_POINT:
1ff79dfa
JB		 6348 if (!wdev->mesh_id_len)
6349 return -ENOTCONN;
ee4bc9e7
SW		 6350 break;
6351 default:
16ef1fe2 6352 return -EOPNOTSUPP;
ee4bc9e7 6353 }
16ef1fe2
SW		 6354
6355 memset(&params, 0, sizeof(params));
6356
6357 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
6358 !info->attrs[NL80211_ATTR_CH_SWITCH_COUNT])
6359 return -EINVAL;
6360
6361 /* only important for AP, IBSS and mesh create IEs internally */
d0a361a5 6362 if (need_new_beacon && !info->attrs[NL80211_ATTR_CSA_IES])
16ef1fe2
SW		 6363 return -EINVAL;
6364
252e07ca
LC		 6365 /* Even though the attribute is u32, the specification says
6366 * u8, so let's make sure we don't overflow.
6367 */
6368 cs_count = nla_get_u32(info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]);
6369 if (cs_count > 255)
6370 return -EINVAL;
6371
6372 params.count = cs_count;
16ef1fe2 6373
ee4bc9e7
SW		 6374 if (!need_new_beacon)
6375 goto skip_beacons;
6376
16ef1fe2
SW		 6377 err = nl80211_parse_beacon(info->attrs, &params.beacon_after);
6378 if (err)
6379 return err;
6380
6381 err = nla_parse_nested(csa_attrs, NL80211_ATTR_MAX,
6382 info->attrs[NL80211_ATTR_CSA_IES],
6383 nl80211_policy);
6384 if (err)
6385 return err;
6386
6387 err = nl80211_parse_beacon(csa_attrs, &params.beacon_csa);
6388 if (err)
6389 return err;
6390
6391 if (!csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON])
6392 return -EINVAL;
6393
9a774c78
AO		 6394 len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]);
6395 if (!len || (len % sizeof(u16)))
16ef1fe2
SW		 6396 return -EINVAL;
6397
9a774c78
AO		 6398 params.n_counter_offsets_beacon = len / sizeof(u16);
6399 if (rdev->wiphy.max_num_csa_counters &&
6400 (params.n_counter_offsets_beacon >
6401 rdev->wiphy.max_num_csa_counters))
16ef1fe2
SW		 6402 return -EINVAL;
6403
9a774c78
AO		 6404 params.counter_offsets_beacon =
6405 nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]);
6406
6407 /* sanity checks - counters should fit and be the same */
6408 for (i = 0; i < params.n_counter_offsets_beacon; i++) {
6409 u16 offset = params.counter_offsets_beacon[i];
6410
6411 if (offset >= params.beacon_csa.tail_len)
6412 return -EINVAL;
6413
6414 if (params.beacon_csa.tail[offset] != params.count)
6415 return -EINVAL;
6416 }
6417
16ef1fe2 6418 if (csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]) {
9a774c78
AO		 6419 len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]);
6420 if (!len || (len % sizeof(u16)))
16ef1fe2
SW		 6421 return -EINVAL;
6422
9a774c78
AO		 6423 params.n_counter_offsets_presp = len / sizeof(u16);
6424 if (rdev->wiphy.max_num_csa_counters &&
6425 (params.n_counter_offsets_beacon >
6426 rdev->wiphy.max_num_csa_counters))
16ef1fe2 6427 return -EINVAL;
9a774c78
AO		 6428
6429 params.counter_offsets_presp =
6430 nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]);
6431
6432 /* sanity checks - counters should fit and be the same */
6433 for (i = 0; i < params.n_counter_offsets_presp; i++) {
6434 u16 offset = params.counter_offsets_presp[i];
6435
6436 if (offset >= params.beacon_csa.probe_resp_len)
6437 return -EINVAL;
6438
6439 if (params.beacon_csa.probe_resp[offset] !=
6440 params.count)
6441 return -EINVAL;
6442 }
16ef1fe2
SW		 6443 }
6444
ee4bc9e7 6445skip_beacons:
16ef1fe2
SW		 6446 err = nl80211_parse_chandef(rdev, info, &params.chandef);
6447 if (err)
6448 return err;
6449
174e0cd2
IP		 6450 if (!cfg80211_reg_can_beacon(&rdev->wiphy, &params.chandef,
6451 wdev->iftype))
16ef1fe2
SW		 6452 return -EINVAL;
6453
2beb6dab
LC		 6454 err = cfg80211_chandef_dfs_required(wdev->wiphy,
6455 &params.chandef,
6456 wdev->iftype);
6457 if (err < 0)
6458 return err;
6459
dcc6c2f5 6460 if (err > 0)
2beb6dab 6461 params.radar_required = true;
16ef1fe2 6462
16ef1fe2
SW		 6463 if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX])
6464 params.block_tx = true;
6465
c56589ed
SW		 6466 wdev_lock(wdev);
6467 err = rdev_channel_switch(rdev, dev, &params);
6468 wdev_unlock(wdev);
6469
6470 return err;
16ef1fe2
SW		 6471}
6472
9720bb3a
JB		 6473static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
6474 u32 seq, int flags,
2a519311 6475 struct cfg80211_registered_device *rdev,
48ab905d
JB		 6476 struct wireless_dev *wdev,
6477 struct cfg80211_internal_bss *intbss)
2a519311 6478{
48ab905d 6479 struct cfg80211_bss *res = &intbss->pub;
9caf0364 6480 const struct cfg80211_bss_ies *ies;
2a519311
JB		 6481 void *hdr;
6482 struct nlattr *bss;
48ab905d
JB		 6483
6484 ASSERT_WDEV_LOCK(wdev);
2a519311 6485
15e47304 6486 hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
2a519311
JB		 6487 NL80211_CMD_NEW_SCAN_RESULTS);
6488 if (!hdr)
6489 return -1;
6490
9720bb3a
JB		 6491 genl_dump_check_consistent(cb, hdr, &nl80211_fam);
6492
97990a06
JB		 6493 if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation))
6494 goto nla_put_failure;
6495 if (wdev->netdev &&
9360ffd1
DM		 6496 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex))
6497 goto nla_put_failure;
97990a06
JB		 6498 if (nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)))
6499 goto nla_put_failure;
2a519311
JB		 6500
6501 bss = nla_nest_start(msg, NL80211_ATTR_BSS);
6502 if (!bss)
6503 goto nla_put_failure;
9360ffd1 6504 if ((!is_zero_ether_addr(res->bssid) &&
9caf0364 6505 nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid)))
9360ffd1 6506 goto nla_put_failure;
9caf0364
JB		 6507
6508 rcu_read_lock();
0e227084
JB		 6509 /* indicate whether we have probe response data or not */
6510 if (rcu_access_pointer(res->proberesp_ies) &&
6511 nla_put_flag(msg, NL80211_BSS_PRESP_DATA))
6512 goto fail_unlock_rcu;
6513
6514 /* this pointer prefers to be pointed to probe response data
6515 * but is always valid
6516 */
9caf0364 6517 ies = rcu_dereference(res->ies);
8cef2c9d
JB		 6518 if (ies) {
6519 if (nla_put_u64(msg, NL80211_BSS_TSF, ies->tsf))
6520 goto fail_unlock_rcu;
8cef2c9d
JB		 6521 if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS,
6522 ies->len, ies->data))
6523 goto fail_unlock_rcu;
9caf0364 6524 }
0e227084
JB		 6525
6526 /* and this pointer is always (unless driver didn't know) beacon data */
9caf0364 6527 ies = rcu_dereference(res->beacon_ies);
0e227084
JB		 6528 if (ies && ies->from_beacon) {
6529 if (nla_put_u64(msg, NL80211_BSS_BEACON_TSF, ies->tsf))
8cef2c9d
JB		 6530 goto fail_unlock_rcu;
6531 if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES,
6532 ies->len, ies->data))
6533 goto fail_unlock_rcu;
9caf0364
JB		 6534 }
6535 rcu_read_unlock();
6536
9360ffd1
DM		 6537 if (res->beacon_interval &&
6538 nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval))
6539 goto nla_put_failure;
6540 if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) ||
6541 nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) ||
dcd6eac1 6542 nla_put_u32(msg, NL80211_BSS_CHAN_WIDTH, res->scan_width) ||
9360ffd1
DM		 6543 nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO,
6544 jiffies_to_msecs(jiffies - intbss->ts)))
6545 goto nla_put_failure;
2a519311 6546
77965c97 6547 switch (rdev->wiphy.signal_type) {
2a519311 6548 case CFG80211_SIGNAL_TYPE_MBM:
9360ffd1
DM		 6549 if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal))
6550 goto nla_put_failure;
2a519311
JB		 6551 break;
6552 case CFG80211_SIGNAL_TYPE_UNSPEC:
9360ffd1
DM		 6553 if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal))
6554 goto nla_put_failure;
2a519311
JB		 6555 break;
6556 default:
6557 break;
6558 }
6559
48ab905d 6560 switch (wdev->iftype) {
074ac8df 6561 case NL80211_IFTYPE_P2P_CLIENT:
48ab905d 6562 case NL80211_IFTYPE_STATION:
9360ffd1
DM		 6563 if (intbss == wdev->current_bss &&
6564 nla_put_u32(msg, NL80211_BSS_STATUS,
6565 NL80211_BSS_STATUS_ASSOCIATED))
6566 goto nla_put_failure;
48ab905d
JB		 6567 break;
6568 case NL80211_IFTYPE_ADHOC:
9360ffd1
DM		 6569 if (intbss == wdev->current_bss &&
6570 nla_put_u32(msg, NL80211_BSS_STATUS,
6571 NL80211_BSS_STATUS_IBSS_JOINED))
6572 goto nla_put_failure;
48ab905d
JB		 6573 break;
6574 default:
6575 break;
6576 }
6577
2a519311
JB		 6578 nla_nest_end(msg, bss);
6579
6580 return genlmsg_end(msg, hdr);
6581
8cef2c9d
JB		 6582 fail_unlock_rcu:
6583 rcu_read_unlock();
2a519311
JB		 6584 nla_put_failure:
6585 genlmsg_cancel(msg, hdr);
6586 return -EMSGSIZE;
6587}
6588
97990a06 6589static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb)
2a519311 6590{
48ab905d 6591 struct cfg80211_registered_device *rdev;
2a519311 6592 struct cfg80211_internal_bss *scan;
48ab905d 6593 struct wireless_dev *wdev;
97990a06 6594 int start = cb->args[2], idx = 0;
2a519311
JB		 6595 int err;
6596
97990a06 6597 err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev);
67748893
JB		 6598 if (err)
6599 return err;
2a519311 6600
48ab905d
JB		 6601 wdev_lock(wdev);
6602 spin_lock_bh(&rdev->bss_lock);
6603 cfg80211_bss_expire(rdev);
6604
9720bb3a
JB		 6605 cb->seq = rdev->bss_generation;
6606
48ab905d 6607 list_for_each_entry(scan, &rdev->bss_list, list) {
2a519311
JB		 6608 if (++idx <= start)
6609 continue;
9720bb3a 6610 if (nl80211_send_bss(skb, cb,
2a519311 6611 cb->nlh->nlmsg_seq, NLM_F_MULTI,
48ab905d 6612 rdev, wdev, scan) < 0) {
2a519311 6613 idx--;
67748893 6614 break;
2a519311
JB		 6615 }
6616 }
6617
48ab905d
JB		 6618 spin_unlock_bh(&rdev->bss_lock);
6619 wdev_unlock(wdev);
2a519311 6620
97990a06
JB		 6621 cb->args[2] = idx;
6622 nl80211_finish_wdev_dump(rdev);
2a519311 6623
67748893 6624 return skb->len;
2a519311
JB		 6625}
6626
15e47304 6627static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq,
11f78ac3
JB		 6628 int flags, struct net_device *dev,
6629 bool allow_radio_stats,
6630 struct survey_info *survey)
61fa713c
HS		 6631{
6632 void *hdr;
6633 struct nlattr *infoattr;
6634
11f78ac3
JB		 6635 /* skip radio stats if userspace didn't request them */
6636 if (!survey->channel && !allow_radio_stats)
6637 return 0;
6638
15e47304 6639 hdr = nl80211hdr_put(msg, portid, seq, flags,
61fa713c
HS		 6640 NL80211_CMD_NEW_SURVEY_RESULTS);
6641 if (!hdr)
6642 return -ENOMEM;
6643
9360ffd1
DM		 6644 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
6645 goto nla_put_failure;
61fa713c
HS		 6646
6647 infoattr = nla_nest_start(msg, NL80211_ATTR_SURVEY_INFO);
6648 if (!infoattr)
6649 goto nla_put_failure;
6650
11f78ac3
JB		 6651 if (survey->channel &&
6652 nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY,
9360ffd1
DM		 6653 survey->channel->center_freq))
6654 goto nla_put_failure;
6655
6656 if ((survey->filled & SURVEY_INFO_NOISE_DBM) &&
6657 nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise))
6658 goto nla_put_failure;
6659 if ((survey->filled & SURVEY_INFO_IN_USE) &&
6660 nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE))
6661 goto nla_put_failure;
4ed20beb
JB		 6662 if ((survey->filled & SURVEY_INFO_TIME) &&
6663 nla_put_u64(msg, NL80211_SURVEY_INFO_TIME,
6664 survey->time))
9360ffd1 6665 goto nla_put_failure;
4ed20beb
JB		 6666 if ((survey->filled & SURVEY_INFO_TIME_BUSY) &&
6667 nla_put_u64(msg, NL80211_SURVEY_INFO_TIME_BUSY,
6668 survey->time_busy))
9360ffd1 6669 goto nla_put_failure;
4ed20beb
JB		 6670 if ((survey->filled & SURVEY_INFO_TIME_EXT_BUSY) &&
6671 nla_put_u64(msg, NL80211_SURVEY_INFO_TIME_EXT_BUSY,
6672 survey->time_ext_busy))
9360ffd1 6673 goto nla_put_failure;
4ed20beb
JB		 6674 if ((survey->filled & SURVEY_INFO_TIME_RX) &&
6675 nla_put_u64(msg, NL80211_SURVEY_INFO_TIME_RX,
6676 survey->time_rx))
9360ffd1 6677 goto nla_put_failure;
4ed20beb
JB		 6678 if ((survey->filled & SURVEY_INFO_TIME_TX) &&
6679 nla_put_u64(msg, NL80211_SURVEY_INFO_TIME_TX,
6680 survey->time_tx))
9360ffd1 6681 goto nla_put_failure;
052536ab
JB		 6682 if ((survey->filled & SURVEY_INFO_TIME_SCAN) &&
6683 nla_put_u64(msg, NL80211_SURVEY_INFO_TIME_SCAN,
6684 survey->time_scan))
6685 goto nla_put_failure;
61fa713c
HS		 6686
6687 nla_nest_end(msg, infoattr);
6688
6689 return genlmsg_end(msg, hdr);
6690
6691 nla_put_failure:
6692 genlmsg_cancel(msg, hdr);
6693 return -EMSGSIZE;
6694}
6695
11f78ac3 6696static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb)
61fa713c
HS		 6697{
6698 struct survey_info survey;
1b8ec87a 6699 struct cfg80211_registered_device *rdev;
97990a06
JB		 6700 struct wireless_dev *wdev;
6701 int survey_idx = cb->args[2];
61fa713c 6702 int res;
11f78ac3 6703 bool radio_stats;
61fa713c 6704
1b8ec87a 6705 res = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev);
67748893
JB		 6706 if (res)
6707 return res;
61fa713c 6708
11f78ac3
JB		 6709 /* prepare_wdev_dump parsed the attributes */
6710 radio_stats = nl80211_fam.attrbuf[NL80211_ATTR_SURVEY_RADIO_STATS];
6711
97990a06
JB		 6712 if (!wdev->netdev) {
6713 res = -EINVAL;
6714 goto out_err;
6715 }
6716
1b8ec87a 6717 if (!rdev->ops->dump_survey) {
61fa713c
HS		 6718 res = -EOPNOTSUPP;
6719 goto out_err;
6720 }
6721
6722 while (1) {
1b8ec87a 6723 res = rdev_dump_survey(rdev, wdev->netdev, survey_idx, &survey);
61fa713c
HS		 6724 if (res == -ENOENT)
6725 break;
6726 if (res)
6727 goto out_err;
6728
11f78ac3
JB		 6729 /* don't send disabled channels, but do send non-channel data */
6730 if (survey.channel &&
6731 survey.channel->flags & IEEE80211_CHAN_DISABLED) {
180cdc79
LR		 6732 survey_idx++;
6733 continue;
6734 }
6735
61fa713c 6736 if (nl80211_send_survey(skb,
15e47304 6737 NETLINK_CB(cb->skb).portid,
61fa713c 6738 cb->nlh->nlmsg_seq, NLM_F_MULTI,
11f78ac3 6739 wdev->netdev, radio_stats, &survey) < 0)
61fa713c
HS		 6740 goto out;
6741 survey_idx++;
6742 }
6743
6744 out:
97990a06 6745 cb->args[2] = survey_idx;
61fa713c
HS		 6746 res = skb->len;
6747 out_err:
1b8ec87a 6748 nl80211_finish_wdev_dump(rdev);
61fa713c
HS		 6749 return res;
6750}
6751
b23aa676
SO		 6752static bool nl80211_valid_wpa_versions(u32 wpa_versions)
6753{
6754 return !(wpa_versions & ~(NL80211_WPA_VERSION_1 |
6755 NL80211_WPA_VERSION_2));
6756}
6757
636a5d36
JM		 6758static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
6759{
4c476991
JB		 6760 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6761 struct net_device *dev = info->user_ptr[1];
19957bb3 6762 struct ieee80211_channel *chan;
e39e5b5e
JM		 6763 const u8 *bssid, *ssid, *ie = NULL, *sae_data = NULL;
6764 int err, ssid_len, ie_len = 0, sae_data_len = 0;
19957bb3 6765 enum nl80211_auth_type auth_type;
fffd0934 6766 struct key_parse key;
d5cdfacb 6767 bool local_state_change;
636a5d36 6768
f4a11bb0
JB		 6769 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
6770 return -EINVAL;
6771
6772 if (!info->attrs[NL80211_ATTR_MAC])
6773 return -EINVAL;
6774
1778092e
JM		 6775 if (!info->attrs[NL80211_ATTR_AUTH_TYPE])
6776 return -EINVAL;
6777
19957bb3
JB		 6778 if (!info->attrs[NL80211_ATTR_SSID])
6779 return -EINVAL;
6780
6781 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
6782 return -EINVAL;
6783
fffd0934
JB		 6784 err = nl80211_parse_key(info, &key);
6785 if (err)
6786 return err;
6787
6788 if (key.idx >= 0) {
e31b8213
JB		 6789 if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP)
6790 return -EINVAL;
fffd0934
JB		 6791 if (!key.p.key || !key.p.key_len)
6792 return -EINVAL;
6793 if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 ||
6794 key.p.key_len != WLAN_KEY_LEN_WEP40) &&
6795 (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 ||
6796 key.p.key_len != WLAN_KEY_LEN_WEP104))
6797 return -EINVAL;
6798 if (key.idx > 4)
6799 return -EINVAL;
6800 } else {
6801 key.p.key_len = 0;
6802 key.p.key = NULL;
6803 }
6804
afea0b7a
JB		 6805 if (key.idx >= 0) {
6806 int i;
6807 bool ok = false;
6808 for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) {
6809 if (key.p.cipher == rdev->wiphy.cipher_suites[i]) {
6810 ok = true;
6811 break;
6812 }
6813 }
4c476991
JB		 6814 if (!ok)
6815 return -EINVAL;
afea0b7a
JB		 6816 }
6817
4c476991
JB		 6818 if (!rdev->ops->auth)
6819 return -EOPNOTSUPP;
636a5d36 6820
074ac8df 6821 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 6822 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
6823 return -EOPNOTSUPP;
eec60b03 6824
19957bb3 6825 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
664834de
JM		 6826 chan = nl80211_get_valid_chan(&rdev->wiphy,
6827 info->attrs[NL80211_ATTR_WIPHY_FREQ]);
6828 if (!chan)
4c476991 6829 return -EINVAL;
636a5d36 6830
19957bb3
JB		 6831 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
6832 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
636a5d36
JM		 6833
6834 if (info->attrs[NL80211_ATTR_IE]) {
19957bb3
JB		 6835 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
6836 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
636a5d36
JM		 6837 }
6838
19957bb3 6839 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
e39e5b5e 6840 if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE))
4c476991 6841 return -EINVAL;
636a5d36 6842
e39e5b5e
JM		 6843 if (auth_type == NL80211_AUTHTYPE_SAE &&
6844 !info->attrs[NL80211_ATTR_SAE_DATA])
6845 return -EINVAL;
6846
6847 if (info->attrs[NL80211_ATTR_SAE_DATA]) {
6848 if (auth_type != NL80211_AUTHTYPE_SAE)
6849 return -EINVAL;
6850 sae_data = nla_data(info->attrs[NL80211_ATTR_SAE_DATA]);
6851 sae_data_len = nla_len(info->attrs[NL80211_ATTR_SAE_DATA]);
6852 /* need to include at least Auth Transaction and Status Code */
6853 if (sae_data_len < 4)
6854 return -EINVAL;
6855 }
6856
d5cdfacb
JM		 6857 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
6858
95de817b
JB		 6859 /*
6860 * Since we no longer track auth state, ignore
6861 * requests to only change local state.
6862 */
6863 if (local_state_change)
6864 return 0;
6865
91bf9b26
JB		 6866 wdev_lock(dev->ieee80211_ptr);
6867 err = cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid,
6868 ssid, ssid_len, ie, ie_len,
6869 key.p.key, key.p.key_len, key.idx,
6870 sae_data, sae_data_len);
6871 wdev_unlock(dev->ieee80211_ptr);
6872 return err;
636a5d36
JM		 6873}
6874
c0692b8f
JB		 6875static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
6876 struct genl_info *info,
3dc27d25
JB		 6877 struct cfg80211_crypto_settings *settings,
6878 int cipher_limit)
b23aa676 6879{
c0b2bbd8
JB		 6880 memset(settings, 0, sizeof(*settings));
6881
b23aa676
SO		 6882 settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT];
6883
c0692b8f
JB		 6884 if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
6885 u16 proto;
6886 proto = nla_get_u16(
6887 info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
6888 settings->control_port_ethertype = cpu_to_be16(proto);
6889 if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
6890 proto != ETH_P_PAE)
6891 return -EINVAL;
6892 if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT])
6893 settings->control_port_no_encrypt = true;
6894 } else
6895 settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE);
6896
b23aa676
SO		 6897 if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) {
6898 void *data;
6899 int len, i;
6900
6901 data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
6902 len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
6903 settings->n_ciphers_pairwise = len / sizeof(u32);
6904
6905 if (len % sizeof(u32))
6906 return -EINVAL;
6907
3dc27d25 6908 if (settings->n_ciphers_pairwise > cipher_limit)
b23aa676
SO		 6909 return -EINVAL;
6910
6911 memcpy(settings->ciphers_pairwise, data, len);
6912
6913 for (i = 0; i < settings->n_ciphers_pairwise; i++)
38ba3c57
JM		 6914 if (!cfg80211_supported_cipher_suite(
6915 &rdev->wiphy,
b23aa676
SO		 6916 settings->ciphers_pairwise[i]))
6917 return -EINVAL;
6918 }
6919
6920 if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) {
6921 settings->cipher_group =
6922 nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]);
38ba3c57
JM		 6923 if (!cfg80211_supported_cipher_suite(&rdev->wiphy,
6924 settings->cipher_group))
b23aa676
SO		 6925 return -EINVAL;
6926 }
6927
6928 if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) {
6929 settings->wpa_versions =
6930 nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]);
6931 if (!nl80211_valid_wpa_versions(settings->wpa_versions))
6932 return -EINVAL;
6933 }
6934
6935 if (info->attrs[NL80211_ATTR_AKM_SUITES]) {
6936 void *data;
6d30240e 6937 int len;
b23aa676
SO		 6938
6939 data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]);
6940 len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]);
6941 settings->n_akm_suites = len / sizeof(u32);
6942
6943 if (len % sizeof(u32))
6944 return -EINVAL;
6945
1b9ca027
JM		 6946 if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES)
6947 return -EINVAL;
6948
b23aa676 6949 memcpy(settings->akm_suites, data, len);
b23aa676
SO		 6950 }
6951
6952 return 0;
6953}
6954
636a5d36
JM		 6955static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
6956{
4c476991
JB		 6957 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6958 struct net_device *dev = info->user_ptr[1];
f444de05 6959 struct ieee80211_channel *chan;
f62fab73
JB		 6960 struct cfg80211_assoc_request req = {};
6961 const u8 *bssid, *ssid;
6962 int err, ssid_len = 0;
636a5d36 6963
f4a11bb0
JB		 6964 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
6965 return -EINVAL;
6966
6967 if (!info->attrs[NL80211_ATTR_MAC] ||
19957bb3
JB		 6968 !info->attrs[NL80211_ATTR_SSID] ||
6969 !info->attrs[NL80211_ATTR_WIPHY_FREQ])
f4a11bb0
JB		 6970 return -EINVAL;
6971
4c476991
JB		 6972 if (!rdev->ops->assoc)
6973 return -EOPNOTSUPP;
636a5d36 6974
074ac8df 6975 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 6976 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
6977 return -EOPNOTSUPP;
eec60b03 6978
19957bb3 6979 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
636a5d36 6980
664834de
JM		 6981 chan = nl80211_get_valid_chan(&rdev->wiphy,
6982 info->attrs[NL80211_ATTR_WIPHY_FREQ]);
6983 if (!chan)
4c476991 6984 return -EINVAL;
636a5d36 6985
19957bb3
JB		 6986 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
6987 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
636a5d36
JM		 6988
6989 if (info->attrs[NL80211_ATTR_IE]) {
f62fab73
JB		 6990 req.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
6991 req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
636a5d36
JM		 6992 }
6993
dc6382ce 6994 if (info->attrs[NL80211_ATTR_USE_MFP]) {
4f5dadce 6995 enum nl80211_mfp mfp =
dc6382ce 6996 nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
4f5dadce 6997 if (mfp == NL80211_MFP_REQUIRED)
f62fab73 6998 req.use_mfp = true;
4c476991
JB		 6999 else if (mfp != NL80211_MFP_NO)
7000 return -EINVAL;
dc6382ce
JM		 7001 }
7002
3e5d7649 7003 if (info->attrs[NL80211_ATTR_PREV_BSSID])
f62fab73 7004 req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
3e5d7649 7005
7e7c8926 7006 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
f62fab73 7007 req.flags |= ASSOC_REQ_DISABLE_HT;
7e7c8926
BG		 7008
7009 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
f62fab73
JB		 7010 memcpy(&req.ht_capa_mask,
7011 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
7012 sizeof(req.ht_capa_mask));
7e7c8926
BG		 7013
7014 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
f62fab73 7015 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
7e7c8926 7016 return -EINVAL;
f62fab73
JB		 7017 memcpy(&req.ht_capa,
7018 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
7019 sizeof(req.ht_capa));
7e7c8926
BG		 7020 }
7021
ee2aca34 7022 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
f62fab73 7023 req.flags |= ASSOC_REQ_DISABLE_VHT;
ee2aca34
JB		 7024
7025 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
f62fab73
JB		 7026 memcpy(&req.vht_capa_mask,
7027 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
7028 sizeof(req.vht_capa_mask));
ee2aca34
JB		 7029
7030 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
f62fab73 7031 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
ee2aca34 7032 return -EINVAL;
f62fab73
JB		 7033 memcpy(&req.vht_capa,
7034 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
7035 sizeof(req.vht_capa));
ee2aca34
JB		 7036 }
7037
bab5ab7d
AK		 7038 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
7039 if (!(rdev->wiphy.features &
7040 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) ||
7041 !(rdev->wiphy.features & NL80211_FEATURE_QUIET))
7042 return -EINVAL;
7043 req.flags |= ASSOC_REQ_USE_RRM;
7044 }
7045
f62fab73 7046 err = nl80211_crypto_settings(rdev, info, &req.crypto, 1);
91bf9b26
JB		 7047 if (!err) {
7048 wdev_lock(dev->ieee80211_ptr);
f62fab73
JB		 7049 err = cfg80211_mlme_assoc(rdev, dev, chan, bssid,
7050 ssid, ssid_len, &req);
91bf9b26
JB		 7051 wdev_unlock(dev->ieee80211_ptr);
7052 }
636a5d36 7053
636a5d36
JM		 7054 return err;
7055}
7056
7057static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
7058{
4c476991
JB		 7059 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7060 struct net_device *dev = info->user_ptr[1];
19957bb3 7061 const u8 *ie = NULL, *bssid;
91bf9b26 7062 int ie_len = 0, err;
19957bb3 7063 u16 reason_code;
d5cdfacb 7064 bool local_state_change;
636a5d36 7065
f4a11bb0
JB		 7066 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
7067 return -EINVAL;
7068
7069 if (!info->attrs[NL80211_ATTR_MAC])
7070 return -EINVAL;
7071
7072 if (!info->attrs[NL80211_ATTR_REASON_CODE])
7073 return -EINVAL;
7074
4c476991
JB		 7075 if (!rdev->ops->deauth)
7076 return -EOPNOTSUPP;
636a5d36 7077
074ac8df 7078 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 7079 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
7080 return -EOPNOTSUPP;
eec60b03 7081
19957bb3 7082 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
636a5d36 7083
19957bb3
JB		 7084 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
7085 if (reason_code == 0) {
f4a11bb0 7086 /* Reason Code 0 is reserved */
4c476991 7087 return -EINVAL;
255e737e 7088 }
636a5d36
JM		 7089
7090 if (info->attrs[NL80211_ATTR_IE]) {
19957bb3
JB		 7091 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
7092 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
636a5d36
JM		 7093 }
7094
d5cdfacb
JM		 7095 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
7096
91bf9b26
JB		 7097 wdev_lock(dev->ieee80211_ptr);
7098 err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code,
7099 local_state_change);
7100 wdev_unlock(dev->ieee80211_ptr);
7101 return err;
636a5d36
JM		 7102}
7103
7104static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
7105{
4c476991
JB		 7106 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7107 struct net_device *dev = info->user_ptr[1];
19957bb3 7108 const u8 *ie = NULL, *bssid;
91bf9b26 7109 int ie_len = 0, err;
19957bb3 7110 u16 reason_code;
d5cdfacb 7111 bool local_state_change;
636a5d36 7112
f4a11bb0
JB		 7113 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
7114 return -EINVAL;
7115
7116 if (!info->attrs[NL80211_ATTR_MAC])
7117 return -EINVAL;
7118
7119 if (!info->attrs[NL80211_ATTR_REASON_CODE])
7120 return -EINVAL;
7121
4c476991
JB		 7122 if (!rdev->ops->disassoc)
7123 return -EOPNOTSUPP;
636a5d36 7124
074ac8df 7125 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 7126 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
7127 return -EOPNOTSUPP;
eec60b03 7128
19957bb3 7129 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
636a5d36 7130
19957bb3
JB		 7131 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
7132 if (reason_code == 0) {
f4a11bb0 7133 /* Reason Code 0 is reserved */
4c476991 7134 return -EINVAL;
255e737e 7135 }
636a5d36
JM		 7136
7137 if (info->attrs[NL80211_ATTR_IE]) {
19957bb3
JB		 7138 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
7139 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
636a5d36
JM		 7140 }
7141
d5cdfacb
JM		 7142 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
7143
91bf9b26
JB		 7144 wdev_lock(dev->ieee80211_ptr);
7145 err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code,
7146 local_state_change);
7147 wdev_unlock(dev->ieee80211_ptr);
7148 return err;
636a5d36
JM		 7149}
7150
dd5b4cc7
FF		 7151static bool
7152nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev,
7153 int mcast_rate[IEEE80211_NUM_BANDS],
7154 int rateval)
7155{
7156 struct wiphy *wiphy = &rdev->wiphy;
7157 bool found = false;
7158 int band, i;
7159
7160 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
7161 struct ieee80211_supported_band *sband;
7162
7163 sband = wiphy->bands[band];
7164 if (!sband)
7165 continue;
7166
7167 for (i = 0; i < sband->n_bitrates; i++) {
7168 if (sband->bitrates[i].bitrate == rateval) {
7169 mcast_rate[band] = i + 1;
7170 found = true;
7171 break;
7172 }
7173 }
7174 }
7175
7176 return found;
7177}
7178
04a773ad
JB		 7179static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
7180{
4c476991
JB		 7181 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7182 struct net_device *dev = info->user_ptr[1];
04a773ad
JB		 7183 struct cfg80211_ibss_params ibss;
7184 struct wiphy *wiphy;
fffd0934 7185 struct cfg80211_cached_keys *connkeys = NULL;
04a773ad
JB		 7186 int err;
7187
8e30bc55
JB		 7188 memset(&ibss, 0, sizeof(ibss));
7189
04a773ad
JB		 7190 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
7191 return -EINVAL;
7192
683b6d3b 7193 if (!info->attrs[NL80211_ATTR_SSID] ||
04a773ad
JB		 7194 !nla_len(info->attrs[NL80211_ATTR_SSID]))
7195 return -EINVAL;
7196
8e30bc55
JB		 7197 ibss.beacon_interval = 100;
7198
7199 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) {
7200 ibss.beacon_interval =
7201 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
7202 if (ibss.beacon_interval < 1 || ibss.beacon_interval > 10000)
7203 return -EINVAL;
7204 }
7205
4c476991
JB		 7206 if (!rdev->ops->join_ibss)
7207 return -EOPNOTSUPP;
04a773ad 7208
4c476991
JB		 7209 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
7210 return -EOPNOTSUPP;
04a773ad 7211
79c97e97 7212 wiphy = &rdev->wiphy;
04a773ad 7213
39193498 7214 if (info->attrs[NL80211_ATTR_MAC]) {
04a773ad 7215 ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
39193498
JB		 7216
7217 if (!is_valid_ether_addr(ibss.bssid))
7218 return -EINVAL;
7219 }
04a773ad
JB		 7220 ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
7221 ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
7222
7223 if (info->attrs[NL80211_ATTR_IE]) {
7224 ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
7225 ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
7226 }
7227
683b6d3b
JB		 7228 err = nl80211_parse_chandef(rdev, info, &ibss.chandef);
7229 if (err)
7230 return err;
04a773ad 7231
174e0cd2
IP		 7232 if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef,
7233 NL80211_IFTYPE_ADHOC))
54858ee5
AS		 7234 return -EINVAL;
7235
2f301ab2 7236 switch (ibss.chandef.width) {
bf372645
SW		 7237 case NL80211_CHAN_WIDTH_5:
7238 case NL80211_CHAN_WIDTH_10:
2f301ab2
SW		 7239 case NL80211_CHAN_WIDTH_20_NOHT:
7240 break;
7241 case NL80211_CHAN_WIDTH_20:
7242 case NL80211_CHAN_WIDTH_40:
7243 if (rdev->wiphy.features & NL80211_FEATURE_HT_IBSS)
7244 break;
7245 default:
c04d6150 7246 return -EINVAL;
2f301ab2 7247 }
db9c64cf 7248
04a773ad 7249 ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED];
fffd0934
JB		 7250 ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
7251
fbd2c8dc
TP		 7252 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
7253 u8 *rates =
7254 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
7255 int n_rates =
7256 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
7257 struct ieee80211_supported_band *sband =
683b6d3b 7258 wiphy->bands[ibss.chandef.chan->band];
fbd2c8dc 7259
34850ab2
JB		 7260 err = ieee80211_get_ratemask(sband, rates, n_rates,
7261 &ibss.basic_rates);
7262 if (err)
7263 return err;
fbd2c8dc 7264 }
dd5b4cc7 7265
803768f5
SW		 7266 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
7267 memcpy(&ibss.ht_capa_mask,
7268 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
7269 sizeof(ibss.ht_capa_mask));
7270
7271 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
7272 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
7273 return -EINVAL;
7274 memcpy(&ibss.ht_capa,
7275 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
7276 sizeof(ibss.ht_capa));
7277 }
7278
dd5b4cc7
FF		 7279 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
7280 !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate,
7281 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
7282 return -EINVAL;
fbd2c8dc 7283
4c476991 7284 if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) {
de7044ee
SM		 7285 bool no_ht = false;
7286
4c476991 7287 connkeys = nl80211_parse_connkeys(rdev,
de7044ee
SM		 7288 info->attrs[NL80211_ATTR_KEYS],
7289 &no_ht);
4c476991
JB		 7290 if (IS_ERR(connkeys))
7291 return PTR_ERR(connkeys);
de7044ee 7292
3d9d1d66
JB		 7293 if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) &&
7294 no_ht) {
de7044ee
SM		 7295 kfree(connkeys);
7296 return -EINVAL;
7297 }
4c476991 7298 }
04a773ad 7299
267335d6
AQ		 7300 ibss.control_port =
7301 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]);
7302
5336fa88
SW		 7303 ibss.userspace_handles_dfs =
7304 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
7305
4c476991 7306 err = cfg80211_join_ibss(rdev, dev, &ibss, connkeys);
fffd0934 7307 if (err)
b47f610b 7308 kzfree(connkeys);
04a773ad
JB		 7309 return err;
7310}
7311
7312static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info)
7313{
4c476991
JB		 7314 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7315 struct net_device *dev = info->user_ptr[1];
04a773ad 7316
4c476991
JB		 7317 if (!rdev->ops->leave_ibss)
7318 return -EOPNOTSUPP;
04a773ad 7319
4c476991
JB		 7320 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
7321 return -EOPNOTSUPP;
04a773ad 7322
4c476991 7323 return cfg80211_leave_ibss(rdev, dev, false);
04a773ad
JB		 7324}
7325
f4e583c8
AQ		 7326static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info)
7327{
7328 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7329 struct net_device *dev = info->user_ptr[1];
7330 int mcast_rate[IEEE80211_NUM_BANDS];
7331 u32 nla_rate;
7332 int err;
7333
7334 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
7335 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
7336 return -EOPNOTSUPP;
7337
7338 if (!rdev->ops->set_mcast_rate)
7339 return -EOPNOTSUPP;
7340
7341 memset(mcast_rate, 0, sizeof(mcast_rate));
7342
7343 if (!info->attrs[NL80211_ATTR_MCAST_RATE])
7344 return -EINVAL;
7345
7346 nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]);
7347 if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate))
7348 return -EINVAL;
7349
7350 err = rdev->ops->set_mcast_rate(&rdev->wiphy, dev, mcast_rate);
7351
7352 return err;
7353}
7354
ad7e718c
JB		 7355static struct sk_buff *
7356__cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev,
7357 int approxlen, u32 portid, u32 seq,
7358 enum nl80211_commands cmd,
567ffc35
JB		 7359 enum nl80211_attrs attr,
7360 const struct nl80211_vendor_cmd_info *info,
7361 gfp_t gfp)
ad7e718c
JB		 7362{
7363 struct sk_buff *skb;
7364 void *hdr;
7365 struct nlattr *data;
7366
7367 skb = nlmsg_new(approxlen + 100, gfp);
7368 if (!skb)
7369 return NULL;
7370
7371 hdr = nl80211hdr_put(skb, portid, seq, 0, cmd);
7372 if (!hdr) {
7373 kfree_skb(skb);
7374 return NULL;
7375 }
7376
7377 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
7378 goto nla_put_failure;
567ffc35
JB		 7379
7380 if (info) {
7381 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_ID,
7382 info->vendor_id))
7383 goto nla_put_failure;
7384 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_SUBCMD,
7385 info->subcmd))
7386 goto nla_put_failure;
7387 }
7388
ad7e718c
JB		 7389 data = nla_nest_start(skb, attr);
7390
7391 ((void **)skb->cb)[0] = rdev;
7392 ((void **)skb->cb)[1] = hdr;
7393 ((void **)skb->cb)[2] = data;
7394
7395 return skb;
7396
7397 nla_put_failure:
7398 kfree_skb(skb);
7399 return NULL;
7400}
f4e583c8 7401
e03ad6ea
JB		 7402struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy,
7403 enum nl80211_commands cmd,
7404 enum nl80211_attrs attr,
7405 int vendor_event_idx,
7406 int approxlen, gfp_t gfp)
7407{
f26cbf40 7408 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
e03ad6ea
JB		 7409 const struct nl80211_vendor_cmd_info *info;
7410
7411 switch (cmd) {
7412 case NL80211_CMD_TESTMODE:
7413 if (WARN_ON(vendor_event_idx != -1))
7414 return NULL;
7415 info = NULL;
7416 break;
7417 case NL80211_CMD_VENDOR:
7418 if (WARN_ON(vendor_event_idx < 0 ||
7419 vendor_event_idx >= wiphy->n_vendor_events))
7420 return NULL;
7421 info = &wiphy->vendor_events[vendor_event_idx];
7422 break;
7423 default:
7424 WARN_ON(1);
7425 return NULL;
7426 }
7427
7428 return __cfg80211_alloc_vendor_skb(rdev, approxlen, 0, 0,
7429 cmd, attr, info, gfp);
7430}
7431EXPORT_SYMBOL(__cfg80211_alloc_event_skb);
7432
7433void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp)
7434{
7435 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
7436 void *hdr = ((void **)skb->cb)[1];
7437 struct nlattr *data = ((void **)skb->cb)[2];
7438 enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE;
7439
bd8c78e7
JB		 7440 /* clear CB data for netlink core to own from now on */
7441 memset(skb->cb, 0, sizeof(skb->cb));
7442
e03ad6ea
JB		 7443 nla_nest_end(skb, data);
7444 genlmsg_end(skb, hdr);
7445
7446 if (data->nla_type == NL80211_ATTR_VENDOR_DATA)
7447 mcgrp = NL80211_MCGRP_VENDOR;
7448
7449 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), skb, 0,
7450 mcgrp, gfp);
7451}
7452EXPORT_SYMBOL(__cfg80211_send_event_skb);
7453
aff89a9b 7454#ifdef CONFIG_NL80211_TESTMODE
aff89a9b
JB		 7455static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info)
7456{
4c476991 7457 struct cfg80211_registered_device *rdev = info->user_ptr[0];
fc73f11f
DS		 7458 struct wireless_dev *wdev =
7459 __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs);
aff89a9b
JB		 7460 int err;
7461
fc73f11f
DS		 7462 if (!rdev->ops->testmode_cmd)
7463 return -EOPNOTSUPP;
7464
7465 if (IS_ERR(wdev)) {
7466 err = PTR_ERR(wdev);
7467 if (err != -EINVAL)
7468 return err;
7469 wdev = NULL;
7470 } else if (wdev->wiphy != &rdev->wiphy) {
7471 return -EINVAL;
7472 }
7473
aff89a9b
JB		 7474 if (!info->attrs[NL80211_ATTR_TESTDATA])
7475 return -EINVAL;
7476
ad7e718c 7477 rdev->cur_cmd_info = info;
fc73f11f 7478 err = rdev_testmode_cmd(rdev, wdev,
aff89a9b
JB		 7479 nla_data(info->attrs[NL80211_ATTR_TESTDATA]),
7480 nla_len(info->attrs[NL80211_ATTR_TESTDATA]));
ad7e718c 7481 rdev->cur_cmd_info = NULL;
aff89a9b 7482
aff89a9b
JB		 7483 return err;
7484}
7485
71063f0e
WYG		 7486static int nl80211_testmode_dump(struct sk_buff *skb,
7487 struct netlink_callback *cb)
7488{
00918d33 7489 struct cfg80211_registered_device *rdev;
71063f0e
WYG		 7490 int err;
7491 long phy_idx;
7492 void *data = NULL;
7493 int data_len = 0;
7494
5fe231e8
JB		 7495 rtnl_lock();
7496
71063f0e
WYG		 7497 if (cb->args[0]) {
7498 /*
7499 * 0 is a valid index, but not valid for args[0],
7500 * so we need to offset by 1.
7501 */
7502 phy_idx = cb->args[0] - 1;
7503 } else {
7504 err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
7505 nl80211_fam.attrbuf, nl80211_fam.maxattr,
7506 nl80211_policy);
7507 if (err)
5fe231e8 7508 goto out_err;
00918d33 7509
2bd7e35d
JB		 7510 rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk),
7511 nl80211_fam.attrbuf);
7512 if (IS_ERR(rdev)) {
5fe231e8
JB		 7513 err = PTR_ERR(rdev);
7514 goto out_err;
00918d33 7515 }
2bd7e35d
JB		 7516 phy_idx = rdev->wiphy_idx;
7517 rdev = NULL;
2bd7e35d 7518
71063f0e
WYG		 7519 if (nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA])
7520 cb->args[1] =
7521 (long)nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA];
7522 }
7523
7524 if (cb->args[1]) {
7525 data = nla_data((void *)cb->args[1]);
7526 data_len = nla_len((void *)cb->args[1]);
7527 }
7528
00918d33
JB		 7529 rdev = cfg80211_rdev_by_wiphy_idx(phy_idx);
7530 if (!rdev) {
5fe231e8
JB		 7531 err = -ENOENT;
7532 goto out_err;
71063f0e 7533 }
71063f0e 7534
00918d33 7535 if (!rdev->ops->testmode_dump) {
71063f0e
WYG		 7536 err = -EOPNOTSUPP;
7537 goto out_err;
7538 }
7539
7540 while (1) {
15e47304 7541 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
71063f0e
WYG		 7542 cb->nlh->nlmsg_seq, NLM_F_MULTI,
7543 NL80211_CMD_TESTMODE);
7544 struct nlattr *tmdata;
7545
cb35fba3
DC		 7546 if (!hdr)
7547 break;
7548
9360ffd1 7549 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) {
71063f0e
WYG		 7550 genlmsg_cancel(skb, hdr);
7551 break;
7552 }
7553
7554 tmdata = nla_nest_start(skb, NL80211_ATTR_TESTDATA);
7555 if (!tmdata) {
7556 genlmsg_cancel(skb, hdr);
7557 break;
7558 }
e35e4d28 7559 err = rdev_testmode_dump(rdev, skb, cb, data, data_len);
71063f0e
WYG		 7560 nla_nest_end(skb, tmdata);
7561
7562 if (err == -ENOBUFS || err == -ENOENT) {
7563 genlmsg_cancel(skb, hdr);
7564 break;
7565 } else if (err) {
7566 genlmsg_cancel(skb, hdr);
7567 goto out_err;
7568 }
7569
7570 genlmsg_end(skb, hdr);
7571 }
7572
7573 err = skb->len;
7574 /* see above */
7575 cb->args[0] = phy_idx + 1;
7576 out_err:
5fe231e8 7577 rtnl_unlock();
71063f0e
WYG		 7578 return err;
7579}
aff89a9b
JB		 7580#endif
7581
b23aa676
SO		 7582static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
7583{
4c476991
JB		 7584 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7585 struct net_device *dev = info->user_ptr[1];
b23aa676
SO		 7586 struct cfg80211_connect_params connect;
7587 struct wiphy *wiphy;
fffd0934 7588 struct cfg80211_cached_keys *connkeys = NULL;
b23aa676
SO		 7589 int err;
7590
7591 memset(&connect, 0, sizeof(connect));
7592
7593 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
7594 return -EINVAL;
7595
7596 if (!info->attrs[NL80211_ATTR_SSID] ||
7597 !nla_len(info->attrs[NL80211_ATTR_SSID]))
7598 return -EINVAL;
7599
7600 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
7601 connect.auth_type =
7602 nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
e39e5b5e
JM		 7603 if (!nl80211_valid_auth_type(rdev, connect.auth_type,
7604 NL80211_CMD_CONNECT))
b23aa676
SO		 7605 return -EINVAL;
7606 } else
7607 connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
7608
7609 connect.privacy = info->attrs[NL80211_ATTR_PRIVACY];
7610
c0692b8f 7611 err = nl80211_crypto_settings(rdev, info, &connect.crypto,
3dc27d25 7612 NL80211_MAX_NR_CIPHER_SUITES);
b23aa676
SO		 7613 if (err)
7614 return err;
b23aa676 7615
074ac8df 7616 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 7617 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
7618 return -EOPNOTSUPP;
b23aa676 7619
79c97e97 7620 wiphy = &rdev->wiphy;
b23aa676 7621
4486ea98
BS		 7622 connect.bg_scan_period = -1;
7623 if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] &&
7624 (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) {
7625 connect.bg_scan_period =
7626 nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]);
7627 }
7628
b23aa676
SO		 7629 if (info->attrs[NL80211_ATTR_MAC])
7630 connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
1df4a510
JM		 7631 else if (info->attrs[NL80211_ATTR_MAC_HINT])
7632 connect.bssid_hint =
7633 nla_data(info->attrs[NL80211_ATTR_MAC_HINT]);
b23aa676
SO		 7634 connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
7635 connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
7636
7637 if (info->attrs[NL80211_ATTR_IE]) {
7638 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
7639 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
7640 }
7641
cee00a95
JM		 7642 if (info->attrs[NL80211_ATTR_USE_MFP]) {
7643 connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
7644 if (connect.mfp != NL80211_MFP_REQUIRED &&
7645 connect.mfp != NL80211_MFP_NO)
7646 return -EINVAL;
7647 } else {
7648 connect.mfp = NL80211_MFP_NO;
7649 }
7650
b23aa676 7651 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
664834de
JM		 7652 connect.channel = nl80211_get_valid_chan(
7653 wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ]);
7654 if (!connect.channel)
1df4a510
JM		 7655 return -EINVAL;
7656 } else if (info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]) {
664834de
JM		 7657 connect.channel_hint = nl80211_get_valid_chan(
7658 wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]);
7659 if (!connect.channel_hint)
4c476991 7660 return -EINVAL;
b23aa676
SO		 7661 }
7662
fffd0934
JB		 7663 if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) {
7664 connkeys = nl80211_parse_connkeys(rdev,
de7044ee 7665 info->attrs[NL80211_ATTR_KEYS], NULL);
4c476991
JB		 7666 if (IS_ERR(connkeys))
7667 return PTR_ERR(connkeys);
fffd0934
JB		 7668 }
7669
7e7c8926
BG		 7670 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
7671 connect.flags |= ASSOC_REQ_DISABLE_HT;
7672
7673 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
7674 memcpy(&connect.ht_capa_mask,
7675 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
7676 sizeof(connect.ht_capa_mask));
7677
7678 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
b4e4f47e 7679 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) {
b47f610b 7680 kzfree(connkeys);
7e7c8926 7681 return -EINVAL;
b4e4f47e 7682 }
7e7c8926
BG		 7683 memcpy(&connect.ht_capa,
7684 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
7685 sizeof(connect.ht_capa));
7686 }
7687
ee2aca34
JB		 7688 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
7689 connect.flags |= ASSOC_REQ_DISABLE_VHT;
7690
7691 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
7692 memcpy(&connect.vht_capa_mask,
7693 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
7694 sizeof(connect.vht_capa_mask));
7695
7696 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
7697 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) {
b47f610b 7698 kzfree(connkeys);
ee2aca34
JB		 7699 return -EINVAL;
7700 }
7701 memcpy(&connect.vht_capa,
7702 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
7703 sizeof(connect.vht_capa));
7704 }
7705
bab5ab7d
AK		 7706 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
7707 if (!(rdev->wiphy.features &
7708 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) ||
7709 !(rdev->wiphy.features & NL80211_FEATURE_QUIET))
7710 return -EINVAL;
7711 connect.flags |= ASSOC_REQ_USE_RRM;
7712 }
7713
83739b03
JB		 7714 wdev_lock(dev->ieee80211_ptr);
7715 err = cfg80211_connect(rdev, dev, &connect, connkeys, NULL);
7716 wdev_unlock(dev->ieee80211_ptr);
fffd0934 7717 if (err)
b47f610b 7718 kzfree(connkeys);
b23aa676
SO		 7719 return err;
7720}
7721
7722static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
7723{
4c476991
JB		 7724 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7725 struct net_device *dev = info->user_ptr[1];
b23aa676 7726 u16 reason;
83739b03 7727 int ret;
b23aa676
SO		 7728
7729 if (!info->attrs[NL80211_ATTR_REASON_CODE])
7730 reason = WLAN_REASON_DEAUTH_LEAVING;
7731 else
7732 reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
7733
7734 if (reason == 0)
7735 return -EINVAL;
7736
074ac8df 7737 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 7738 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
7739 return -EOPNOTSUPP;
b23aa676 7740
83739b03
JB		 7741 wdev_lock(dev->ieee80211_ptr);
7742 ret = cfg80211_disconnect(rdev, dev, reason, true);
7743 wdev_unlock(dev->ieee80211_ptr);
7744 return ret;
b23aa676
SO		 7745}
7746
463d0183
JB		 7747static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info)
7748{
4c476991 7749 struct cfg80211_registered_device *rdev = info->user_ptr[0];
463d0183
JB		 7750 struct net *net;
7751 int err;
7752 u32 pid;
7753
7754 if (!info->attrs[NL80211_ATTR_PID])
7755 return -EINVAL;
7756
7757 pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]);
7758
463d0183 7759 net = get_net_ns_by_pid(pid);
4c476991
JB		 7760 if (IS_ERR(net))
7761 return PTR_ERR(net);
463d0183
JB		 7762
7763 err = 0;
7764
7765 /* check if anything to do */
4c476991
JB		 7766 if (!net_eq(wiphy_net(&rdev->wiphy), net))
7767 err = cfg80211_switch_netns(rdev, net);
463d0183 7768
463d0183 7769 put_net(net);
463d0183
JB		 7770 return err;
7771}
7772
67fbb16b
SO		 7773static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info)
7774{
4c476991 7775 struct cfg80211_registered_device *rdev = info->user_ptr[0];
67fbb16b
SO		 7776 int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev,
7777 struct cfg80211_pmksa *pmksa) = NULL;
4c476991 7778 struct net_device *dev = info->user_ptr[1];
67fbb16b
SO		 7779 struct cfg80211_pmksa pmksa;
7780
7781 memset(&pmksa, 0, sizeof(struct cfg80211_pmksa));
7782
7783 if (!info->attrs[NL80211_ATTR_MAC])
7784 return -EINVAL;
7785
7786 if (!info->attrs[NL80211_ATTR_PMKID])
7787 return -EINVAL;
7788
67fbb16b
SO		 7789 pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
7790 pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
7791
074ac8df 7792 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 7793 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
7794 return -EOPNOTSUPP;
67fbb16b
SO		 7795
7796 switch (info->genlhdr->cmd) {
7797 case NL80211_CMD_SET_PMKSA:
7798 rdev_ops = rdev->ops->set_pmksa;
7799 break;
7800 case NL80211_CMD_DEL_PMKSA:
7801 rdev_ops = rdev->ops->del_pmksa;
7802 break;
7803 default:
7804 WARN_ON(1);
7805 break;
7806 }
7807
4c476991
JB		 7808 if (!rdev_ops)
7809 return -EOPNOTSUPP;
67fbb16b 7810
4c476991 7811 return rdev_ops(&rdev->wiphy, dev, &pmksa);
67fbb16b
SO		 7812}
7813
7814static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info)
7815{
4c476991
JB		 7816 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7817 struct net_device *dev = info->user_ptr[1];
67fbb16b 7818
074ac8df 7819 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 7820 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
7821 return -EOPNOTSUPP;
67fbb16b 7822
4c476991
JB		 7823 if (!rdev->ops->flush_pmksa)
7824 return -EOPNOTSUPP;
67fbb16b 7825
e35e4d28 7826 return rdev_flush_pmksa(rdev, dev);
67fbb16b
SO		 7827}
7828
109086ce
AN		 7829static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info)
7830{
7831 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7832 struct net_device *dev = info->user_ptr[1];
7833 u8 action_code, dialog_token;
df942e7b 7834 u32 peer_capability = 0;
109086ce
AN		 7835 u16 status_code;
7836 u8 *peer;
31fa97c5 7837 bool initiator;
109086ce
AN		 7838
7839 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
7840 !rdev->ops->tdls_mgmt)
7841 return -EOPNOTSUPP;
7842
7843 if (!info->attrs[NL80211_ATTR_TDLS_ACTION] ||
7844 !info->attrs[NL80211_ATTR_STATUS_CODE] ||
7845 !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] ||
7846 !info->attrs[NL80211_ATTR_IE] ||
7847 !info->attrs[NL80211_ATTR_MAC])
7848 return -EINVAL;
7849
7850 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
7851 action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]);
7852 status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
7853 dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]);
31fa97c5 7854 initiator = nla_get_flag(info->attrs[NL80211_ATTR_TDLS_INITIATOR]);
df942e7b
SDU		 7855 if (info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY])
7856 peer_capability =
7857 nla_get_u32(info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]);
109086ce 7858
e35e4d28 7859 return rdev_tdls_mgmt(rdev, dev, peer, action_code,
df942e7b 7860 dialog_token, status_code, peer_capability,
31fa97c5 7861 initiator,
e35e4d28
HG		 7862 nla_data(info->attrs[NL80211_ATTR_IE]),
7863 nla_len(info->attrs[NL80211_ATTR_IE]));
109086ce
AN		 7864}
7865
7866static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info)
7867{
7868 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7869 struct net_device *dev = info->user_ptr[1];
7870 enum nl80211_tdls_operation operation;
7871 u8 *peer;
7872
7873 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
7874 !rdev->ops->tdls_oper)
7875 return -EOPNOTSUPP;
7876
7877 if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] ||
7878 !info->attrs[NL80211_ATTR_MAC])
7879 return -EINVAL;
7880
7881 operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]);
7882 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
7883
e35e4d28 7884 return rdev_tdls_oper(rdev, dev, peer, operation);
109086ce
AN		 7885}
7886
9588bbd5
JM		 7887static int nl80211_remain_on_channel(struct sk_buff *skb,
7888 struct genl_info *info)
7889{
4c476991 7890 struct cfg80211_registered_device *rdev = info->user_ptr[0];
71bbc994 7891 struct wireless_dev *wdev = info->user_ptr[1];
683b6d3b 7892 struct cfg80211_chan_def chandef;
9588bbd5
JM		 7893 struct sk_buff *msg;
7894 void *hdr;
7895 u64 cookie;
683b6d3b 7896 u32 duration;
9588bbd5
JM		 7897 int err;
7898
7899 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
7900 !info->attrs[NL80211_ATTR_DURATION])
7901 return -EINVAL;
7902
7903 duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
7904
ebf348fc
JB		 7905 if (!rdev->ops->remain_on_channel ||
7906 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL))
7907 return -EOPNOTSUPP;
7908
9588bbd5 7909 /*
ebf348fc
JB		 7910 * We should be on that channel for at least a minimum amount of
7911 * time (10ms) but no longer than the driver supports.
9588bbd5 7912 */
ebf348fc 7913 if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
a293911d 7914 duration > rdev->wiphy.max_remain_on_channel_duration)
9588bbd5
JM		 7915 return -EINVAL;
7916
683b6d3b
JB		 7917 err = nl80211_parse_chandef(rdev, info, &chandef);
7918 if (err)
7919 return err;
9588bbd5
JM		 7920
7921 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4c476991
JB		 7922 if (!msg)
7923 return -ENOMEM;
9588bbd5 7924
15e47304 7925 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
9588bbd5 7926 NL80211_CMD_REMAIN_ON_CHANNEL);
cb35fba3
DC		 7927 if (!hdr) {
7928 err = -ENOBUFS;
9588bbd5
JM		 7929 goto free_msg;
7930 }
7931
683b6d3b
JB		 7932 err = rdev_remain_on_channel(rdev, wdev, chandef.chan,
7933 duration, &cookie);
9588bbd5
JM		 7934
7935 if (err)
7936 goto free_msg;
7937
9360ffd1
DM		 7938 if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie))
7939 goto nla_put_failure;
9588bbd5
JM		 7940
7941 genlmsg_end(msg, hdr);
4c476991
JB		 7942
7943 return genlmsg_reply(msg, info);
9588bbd5
JM		 7944
7945 nla_put_failure:
7946 err = -ENOBUFS;
7947 free_msg:
7948 nlmsg_free(msg);
9588bbd5
JM		 7949 return err;
7950}
7951
7952static int nl80211_cancel_remain_on_channel(struct sk_buff *skb,
7953 struct genl_info *info)
7954{
4c476991 7955 struct cfg80211_registered_device *rdev = info->user_ptr[0];
71bbc994 7956 struct wireless_dev *wdev = info->user_ptr[1];
9588bbd5 7957 u64 cookie;
9588bbd5
JM		 7958
7959 if (!info->attrs[NL80211_ATTR_COOKIE])
7960 return -EINVAL;
7961
4c476991
JB		 7962 if (!rdev->ops->cancel_remain_on_channel)
7963 return -EOPNOTSUPP;
9588bbd5 7964
9588bbd5
JM		 7965 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
7966
e35e4d28 7967 return rdev_cancel_remain_on_channel(rdev, wdev, cookie);
9588bbd5
JM		 7968}
7969
13ae75b1
JM		 7970static u32 rateset_to_mask(struct ieee80211_supported_band *sband,
7971 u8 *rates, u8 rates_len)
7972{
7973 u8 i;
7974 u32 mask = 0;
7975
7976 for (i = 0; i < rates_len; i++) {
7977 int rate = (rates[i] & 0x7f) * 5;
7978 int ridx;
7979 for (ridx = 0; ridx < sband->n_bitrates; ridx++) {
7980 struct ieee80211_rate *srate =
7981 &sband->bitrates[ridx];
7982 if (rate == srate->bitrate) {
7983 mask |= 1 << ridx;
7984 break;
7985 }
7986 }
7987 if (ridx == sband->n_bitrates)
7988 return 0; /* rate not found */
7989 }
7990
7991 return mask;
7992}
7993
24db78c0
SW		 7994static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband,
7995 u8 *rates, u8 rates_len,
7996 u8 mcs[IEEE80211_HT_MCS_MASK_LEN])
7997{
7998 u8 i;
7999
8000 memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN);
8001
8002 for (i = 0; i < rates_len; i++) {
8003 int ridx, rbit;
8004
8005 ridx = rates[i] / 8;
8006 rbit = BIT(rates[i] % 8);
8007
8008 /* check validity */
910570b5 8009 if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN))
24db78c0
SW		 8010 return false;
8011
8012 /* check availability */
8013 if (sband->ht_cap.mcs.rx_mask[ridx] & rbit)
8014 mcs[ridx] |= rbit;
8015 else
8016 return false;
8017 }
8018
8019 return true;
8020}
8021
204e35a9
JD		 8022static u16 vht_mcs_map_to_mcs_mask(u8 vht_mcs_map)
8023{
8024 u16 mcs_mask = 0;
8025
8026 switch (vht_mcs_map) {
8027 case IEEE80211_VHT_MCS_NOT_SUPPORTED:
8028 break;
8029 case IEEE80211_VHT_MCS_SUPPORT_0_7:
8030 mcs_mask = 0x00FF;
8031 break;
8032 case IEEE80211_VHT_MCS_SUPPORT_0_8:
8033 mcs_mask = 0x01FF;
8034 break;
8035 case IEEE80211_VHT_MCS_SUPPORT_0_9:
8036 mcs_mask = 0x03FF;
8037 break;
8038 default:
8039 break;
8040 }
8041
8042 return mcs_mask;
8043}
8044
8045static void vht_build_mcs_mask(u16 vht_mcs_map,
8046 u16 vht_mcs_mask[NL80211_VHT_NSS_MAX])
8047{
8048 u8 nss;
8049
8050 for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) {
8051 vht_mcs_mask[nss] = vht_mcs_map_to_mcs_mask(vht_mcs_map & 0x03);
8052 vht_mcs_map >>= 2;
8053 }
8054}
8055
8056static bool vht_set_mcs_mask(struct ieee80211_supported_band *sband,
8057 struct nl80211_txrate_vht *txrate,
8058 u16 mcs[NL80211_VHT_NSS_MAX])
8059{
8060 u16 tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
8061 u16 tx_mcs_mask[NL80211_VHT_NSS_MAX] = {};
8062 u8 i;
8063
8064 if (!sband->vht_cap.vht_supported)
8065 return false;
8066
8067 memset(mcs, 0, sizeof(u16) * NL80211_VHT_NSS_MAX);
8068
8069 /* Build vht_mcs_mask from VHT capabilities */
8070 vht_build_mcs_mask(tx_mcs_map, tx_mcs_mask);
8071
8072 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
8073 if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i])
8074 mcs[i] = txrate->mcs[i];
8075 else
8076 return false;
8077 }
8078
8079 return true;
8080}
8081
b54452b0 8082static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = {
13ae75b1
JM		 8083 [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY,
8084 .len = NL80211_MAX_SUPP_RATES },
d1e33e65
JD		 8085 [NL80211_TXRATE_HT] = { .type = NLA_BINARY,
8086 .len = NL80211_MAX_SUPP_HT_RATES },
204e35a9 8087 [NL80211_TXRATE_VHT] = { .len = sizeof(struct nl80211_txrate_vht)},
0b9323f6 8088 [NL80211_TXRATE_GI] = { .type = NLA_U8 },
13ae75b1
JM		 8089};
8090
8091static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
8092 struct genl_info *info)
8093{
8094 struct nlattr *tb[NL80211_TXRATE_MAX + 1];
4c476991 8095 struct cfg80211_registered_device *rdev = info->user_ptr[0];
13ae75b1 8096 struct cfg80211_bitrate_mask mask;
4c476991
JB		 8097 int rem, i;
8098 struct net_device *dev = info->user_ptr[1];
13ae75b1
JM		 8099 struct nlattr *tx_rates;
8100 struct ieee80211_supported_band *sband;
204e35a9 8101 u16 vht_tx_mcs_map;
13ae75b1 8102
4c476991
JB		 8103 if (!rdev->ops->set_bitrate_mask)
8104 return -EOPNOTSUPP;
13ae75b1
JM		 8105
8106 memset(&mask, 0, sizeof(mask));
8107 /* Default to all rates enabled */
8108 for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
8109 sband = rdev->wiphy.bands[i];
7869303b
JD		 8110
8111 if (!sband)
8112 continue;
8113
8114 mask.control[i].legacy = (1 << sband->n_bitrates) - 1;
d1e33e65 8115 memcpy(mask.control[i].ht_mcs,
7869303b 8116 sband->ht_cap.mcs.rx_mask,
d1e33e65 8117 sizeof(mask.control[i].ht_mcs));
204e35a9
JD		 8118
8119 if (!sband->vht_cap.vht_supported)
8120 continue;
8121
8122 vht_tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
8123 vht_build_mcs_mask(vht_tx_mcs_map, mask.control[i].vht_mcs);
13ae75b1
JM		 8124 }
8125
b9243ab0
JD		 8126 /* if no rates are given set it back to the defaults */
8127 if (!info->attrs[NL80211_ATTR_TX_RATES])
8128 goto out;
8129
13ae75b1
JM		 8130 /*
8131 * The nested attribute uses enum nl80211_band as the index. This maps
8132 * directly to the enum ieee80211_band values used in cfg80211.
8133 */
24db78c0 8134 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8);
ae811e21 8135 nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem) {
13ae75b1 8136 enum ieee80211_band band = nla_type(tx_rates);
ae811e21
JB		 8137 int err;
8138
4c476991
JB		 8139 if (band < 0 || band >= IEEE80211_NUM_BANDS)
8140 return -EINVAL;
13ae75b1 8141 sband = rdev->wiphy.bands[band];
4c476991
JB		 8142 if (sband == NULL)
8143 return -EINVAL;
ae811e21
JB		 8144 err = nla_parse(tb, NL80211_TXRATE_MAX, nla_data(tx_rates),
8145 nla_len(tx_rates), nl80211_txattr_policy);
8146 if (err)
8147 return err;
13ae75b1
JM		 8148 if (tb[NL80211_TXRATE_LEGACY]) {
8149 mask.control[band].legacy = rateset_to_mask(
8150 sband,
8151 nla_data(tb[NL80211_TXRATE_LEGACY]),
8152 nla_len(tb[NL80211_TXRATE_LEGACY]));
218d2e26
BS		 8153 if ((mask.control[band].legacy == 0) &&
8154 nla_len(tb[NL80211_TXRATE_LEGACY]))
8155 return -EINVAL;
24db78c0 8156 }
d1e33e65 8157 if (tb[NL80211_TXRATE_HT]) {
24db78c0
SW		 8158 if (!ht_rateset_to_mask(
8159 sband,
d1e33e65
JD		 8160 nla_data(tb[NL80211_TXRATE_HT]),
8161 nla_len(tb[NL80211_TXRATE_HT]),
8162 mask.control[band].ht_mcs))
24db78c0
SW		 8163 return -EINVAL;
8164 }
204e35a9
JD		 8165 if (tb[NL80211_TXRATE_VHT]) {
8166 if (!vht_set_mcs_mask(
8167 sband,
8168 nla_data(tb[NL80211_TXRATE_VHT]),
8169 mask.control[band].vht_mcs))
8170 return -EINVAL;
8171 }
0b9323f6
JD		 8172 if (tb[NL80211_TXRATE_GI]) {
8173 mask.control[band].gi =
8174 nla_get_u8(tb[NL80211_TXRATE_GI]);
8175 if (mask.control[band].gi > NL80211_TXRATE_FORCE_LGI)
8176 return -EINVAL;
8177 }
24db78c0
SW		 8178
8179 if (mask.control[band].legacy == 0) {
204e35a9
JD		 8180 /* don't allow empty legacy rates if HT or VHT
8181 * are not even supported.
8182 */
8183 if (!(rdev->wiphy.bands[band]->ht_cap.ht_supported ||
8184 rdev->wiphy.bands[band]->vht_cap.vht_supported))
24db78c0
SW		 8185 return -EINVAL;
8186
8187 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
d1e33e65 8188 if (mask.control[band].ht_mcs[i])
204e35a9
JD		 8189 goto out;
8190
8191 for (i = 0; i < NL80211_VHT_NSS_MAX; i++)
8192 if (mask.control[band].vht_mcs[i])
8193 goto out;
24db78c0
SW		 8194
8195 /* legacy and mcs rates may not be both empty */
204e35a9 8196 return -EINVAL;
13ae75b1
JM		 8197 }
8198 }
8199
b9243ab0 8200out:
e35e4d28 8201 return rdev_set_bitrate_mask(rdev, dev, NULL, &mask);
13ae75b1
JM		 8202}
8203
2e161f78 8204static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
026331c4 8205{
4c476991 8206 struct cfg80211_registered_device *rdev = info->user_ptr[0];
71bbc994 8207 struct wireless_dev *wdev = info->user_ptr[1];
2e161f78 8208 u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION;
026331c4
JM		 8209
8210 if (!info->attrs[NL80211_ATTR_FRAME_MATCH])
8211 return -EINVAL;
8212
2e161f78
JB		 8213 if (info->attrs[NL80211_ATTR_FRAME_TYPE])
8214 frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]);
026331c4 8215
71bbc994
JB		 8216 switch (wdev->iftype) {
8217 case NL80211_IFTYPE_STATION:
8218 case NL80211_IFTYPE_ADHOC:
8219 case NL80211_IFTYPE_P2P_CLIENT:
8220 case NL80211_IFTYPE_AP:
8221 case NL80211_IFTYPE_AP_VLAN:
8222 case NL80211_IFTYPE_MESH_POINT:
8223 case NL80211_IFTYPE_P2P_GO:
98104fde 8224 case NL80211_IFTYPE_P2P_DEVICE:
71bbc994
JB		 8225 break;
8226 default:
4c476991 8227 return -EOPNOTSUPP;
71bbc994 8228 }
026331c4
JM		 8229
8230 /* not much point in registering if we can't reply */
4c476991
JB		 8231 if (!rdev->ops->mgmt_tx)
8232 return -EOPNOTSUPP;
026331c4 8233
15e47304 8234 return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type,
026331c4
JM		 8235 nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]),
8236 nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH]));
026331c4
JM		 8237}
8238
2e161f78 8239static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
026331c4 8240{
4c476991 8241 struct cfg80211_registered_device *rdev = info->user_ptr[0];
71bbc994 8242 struct wireless_dev *wdev = info->user_ptr[1];
683b6d3b 8243 struct cfg80211_chan_def chandef;
026331c4 8244 int err;
d64d373f 8245 void *hdr = NULL;
026331c4 8246 u64 cookie;
e247bd90 8247 struct sk_buff *msg = NULL;
b176e629
AO		 8248 struct cfg80211_mgmt_tx_params params = {
8249 .dont_wait_for_ack =
8250 info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK],
8251 };
026331c4 8252
683b6d3b 8253 if (!info->attrs[NL80211_ATTR_FRAME])
026331c4
JM		 8254 return -EINVAL;
8255
4c476991
JB		 8256 if (!rdev->ops->mgmt_tx)
8257 return -EOPNOTSUPP;
026331c4 8258
71bbc994 8259 switch (wdev->iftype) {
ea141b75
AQ		 8260 case NL80211_IFTYPE_P2P_DEVICE:
8261 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
8262 return -EINVAL;
71bbc994
JB		 8263 case NL80211_IFTYPE_STATION:
8264 case NL80211_IFTYPE_ADHOC:
8265 case NL80211_IFTYPE_P2P_CLIENT:
8266 case NL80211_IFTYPE_AP:
8267 case NL80211_IFTYPE_AP_VLAN:
8268 case NL80211_IFTYPE_MESH_POINT:
8269 case NL80211_IFTYPE_P2P_GO:
8270 break;
8271 default:
4c476991 8272 return -EOPNOTSUPP;
71bbc994 8273 }
026331c4 8274
f7ca38df 8275 if (info->attrs[NL80211_ATTR_DURATION]) {
7c4ef712 8276 if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
f7ca38df 8277 return -EINVAL;
b176e629 8278 params.wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
ebf348fc
JB		 8279
8280 /*
8281 * We should wait on the channel for at least a minimum amount
8282 * of time (10ms) but no longer than the driver supports.
8283 */
b176e629
AO		 8284 if (params.wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
8285 params.wait > rdev->wiphy.max_remain_on_channel_duration)
ebf348fc
JB		 8286 return -EINVAL;
8287
f7ca38df
JB		 8288 }
8289
b176e629 8290 params.offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK];
f7ca38df 8291
b176e629 8292 if (params.offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
7c4ef712
JB		 8293 return -EINVAL;
8294
b176e629 8295 params.no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
e9f935e3 8296
ea141b75
AQ		 8297 /* get the channel if any has been specified, otherwise pass NULL to
8298 * the driver. The latter will use the current one
8299 */
8300 chandef.chan = NULL;
8301 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
8302 err = nl80211_parse_chandef(rdev, info, &chandef);
8303 if (err)
8304 return err;
8305 }
8306
b176e629 8307 if (!chandef.chan && params.offchan)
ea141b75 8308 return -EINVAL;
026331c4 8309
34d22ce2
AO		 8310 params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
8311 params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
8312
8313 if (info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]) {
8314 int len = nla_len(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
8315 int i;
8316
8317 if (len % sizeof(u16))
8318 return -EINVAL;
8319
8320 params.n_csa_offsets = len / sizeof(u16);
8321 params.csa_offsets =
8322 nla_data(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
8323
8324 /* check that all the offsets fit the frame */
8325 for (i = 0; i < params.n_csa_offsets; i++) {
8326 if (params.csa_offsets[i] >= params.len)
8327 return -EINVAL;
8328 }
8329 }
8330
b176e629 8331 if (!params.dont_wait_for_ack) {
e247bd90
JB		 8332 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
8333 if (!msg)
8334 return -ENOMEM;
026331c4 8335
15e47304 8336 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
e247bd90 8337 NL80211_CMD_FRAME);
cb35fba3
DC		 8338 if (!hdr) {
8339 err = -ENOBUFS;
e247bd90
JB		 8340 goto free_msg;
8341 }
026331c4 8342 }
e247bd90 8343
b176e629
AO		 8344 params.chan = chandef.chan;
8345 err = cfg80211_mlme_mgmt_tx(rdev, wdev, &params, &cookie);
026331c4
JM		 8346 if (err)
8347 goto free_msg;
8348
e247bd90 8349 if (msg) {
9360ffd1
DM		 8350 if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie))
8351 goto nla_put_failure;
026331c4 8352
e247bd90
JB		 8353 genlmsg_end(msg, hdr);
8354 return genlmsg_reply(msg, info);
8355 }
8356
8357 return 0;
026331c4
JM		 8358
8359 nla_put_failure:
8360 err = -ENOBUFS;
8361 free_msg:
8362 nlmsg_free(msg);
026331c4
JM		 8363 return err;
8364}
8365
f7ca38df
JB		 8366static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info)
8367{
8368 struct cfg80211_registered_device *rdev = info->user_ptr[0];
71bbc994 8369 struct wireless_dev *wdev = info->user_ptr[1];
f7ca38df
JB		 8370 u64 cookie;
8371
8372 if (!info->attrs[NL80211_ATTR_COOKIE])
8373 return -EINVAL;
8374
8375 if (!rdev->ops->mgmt_tx_cancel_wait)
8376 return -EOPNOTSUPP;
8377
71bbc994
JB		 8378 switch (wdev->iftype) {
8379 case NL80211_IFTYPE_STATION:
8380 case NL80211_IFTYPE_ADHOC:
8381 case NL80211_IFTYPE_P2P_CLIENT:
8382 case NL80211_IFTYPE_AP:
8383 case NL80211_IFTYPE_AP_VLAN:
8384 case NL80211_IFTYPE_P2P_GO:
98104fde 8385 case NL80211_IFTYPE_P2P_DEVICE:
71bbc994
JB		 8386 break;
8387 default:
f7ca38df 8388 return -EOPNOTSUPP;
71bbc994 8389 }
f7ca38df
JB		 8390
8391 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
8392
e35e4d28 8393 return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie);
f7ca38df
JB		 8394}
8395
ffb9eb3d
KV		 8396static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info)
8397{
4c476991 8398 struct cfg80211_registered_device *rdev = info->user_ptr[0];
ffb9eb3d 8399 struct wireless_dev *wdev;
4c476991 8400 struct net_device *dev = info->user_ptr[1];
ffb9eb3d
KV		 8401 u8 ps_state;
8402 bool state;
8403 int err;
8404
4c476991
JB		 8405 if (!info->attrs[NL80211_ATTR_PS_STATE])
8406 return -EINVAL;
ffb9eb3d
KV		 8407
8408 ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]);
8409
4c476991
JB		 8410 if (ps_state != NL80211_PS_DISABLED && ps_state != NL80211_PS_ENABLED)
8411 return -EINVAL;
ffb9eb3d
KV		 8412
8413 wdev = dev->ieee80211_ptr;
8414
4c476991
JB		 8415 if (!rdev->ops->set_power_mgmt)
8416 return -EOPNOTSUPP;
ffb9eb3d
KV		 8417
8418 state = (ps_state == NL80211_PS_ENABLED) ? true : false;
8419
8420 if (state == wdev->ps)
4c476991 8421 return 0;
ffb9eb3d 8422
e35e4d28 8423 err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout);
4c476991
JB		 8424 if (!err)
8425 wdev->ps = state;
ffb9eb3d
KV		 8426 return err;
8427}
8428
8429static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info)
8430{
4c476991 8431 struct cfg80211_registered_device *rdev = info->user_ptr[0];
ffb9eb3d
KV		 8432 enum nl80211_ps_state ps_state;
8433 struct wireless_dev *wdev;
4c476991 8434 struct net_device *dev = info->user_ptr[1];
ffb9eb3d
KV		 8435 struct sk_buff *msg;
8436 void *hdr;
8437 int err;
8438
ffb9eb3d
KV		 8439 wdev = dev->ieee80211_ptr;
8440
4c476991
JB		 8441 if (!rdev->ops->set_power_mgmt)
8442 return -EOPNOTSUPP;
ffb9eb3d
KV		 8443
8444 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4c476991
JB		 8445 if (!msg)
8446 return -ENOMEM;
ffb9eb3d 8447
15e47304 8448 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
ffb9eb3d
KV		 8449 NL80211_CMD_GET_POWER_SAVE);
8450 if (!hdr) {
4c476991 8451 err = -ENOBUFS;
ffb9eb3d
KV		 8452 goto free_msg;
8453 }
8454
8455 if (wdev->ps)
8456 ps_state = NL80211_PS_ENABLED;
8457 else
8458 ps_state = NL80211_PS_DISABLED;
8459
9360ffd1
DM		 8460 if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state))
8461 goto nla_put_failure;
ffb9eb3d
KV		 8462
8463 genlmsg_end(msg, hdr);
4c476991 8464 return genlmsg_reply(msg, info);
ffb9eb3d 8465
4c476991 8466 nla_put_failure:
ffb9eb3d 8467 err = -ENOBUFS;
4c476991 8468 free_msg:
ffb9eb3d 8469 nlmsg_free(msg);
ffb9eb3d
KV		 8470 return err;
8471}
8472
94e860f1
JB		 8473static const struct nla_policy
8474nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] = {
d6dc1a38
JO		 8475 [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 },
8476 [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 },
8477 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
84f10708
TP		 8478 [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 },
8479 [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 },
8480 [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 },
d6dc1a38
JO		 8481};
8482
84f10708 8483static int nl80211_set_cqm_txe(struct genl_info *info,
d9d8b019 8484 u32 rate, u32 pkts, u32 intvl)
84f10708
TP		 8485{
8486 struct cfg80211_registered_device *rdev = info->user_ptr[0];
84f10708 8487 struct net_device *dev = info->user_ptr[1];
1da5fcc8 8488 struct wireless_dev *wdev = dev->ieee80211_ptr;
84f10708 8489
d9d8b019 8490 if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL)
84f10708
TP		 8491 return -EINVAL;
8492
84f10708
TP		 8493 if (!rdev->ops->set_cqm_txe_config)
8494 return -EOPNOTSUPP;
8495
8496 if (wdev->iftype != NL80211_IFTYPE_STATION &&
8497 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
8498 return -EOPNOTSUPP;
8499
e35e4d28 8500 return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl);
84f10708
TP		 8501}
8502
d6dc1a38
JO		 8503static int nl80211_set_cqm_rssi(struct genl_info *info,
8504 s32 threshold, u32 hysteresis)
8505{
4c476991 8506 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4c476991 8507 struct net_device *dev = info->user_ptr[1];
1da5fcc8 8508 struct wireless_dev *wdev = dev->ieee80211_ptr;
d6dc1a38
JO		 8509
8510 if (threshold > 0)
8511 return -EINVAL;
8512
1da5fcc8
JB		 8513 /* disabling - hysteresis should also be zero then */
8514 if (threshold == 0)
8515 hysteresis = 0;
d6dc1a38 8516
4c476991
JB		 8517 if (!rdev->ops->set_cqm_rssi_config)
8518 return -EOPNOTSUPP;
d6dc1a38 8519
074ac8df 8520 if (wdev->iftype != NL80211_IFTYPE_STATION &&
4c476991
JB		 8521 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
8522 return -EOPNOTSUPP;
d6dc1a38 8523
e35e4d28 8524 return rdev_set_cqm_rssi_config(rdev, dev, threshold, hysteresis);
d6dc1a38
JO		 8525}
8526
8527static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info)
8528{
8529 struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1];
8530 struct nlattr *cqm;
8531 int err;
8532
8533 cqm = info->attrs[NL80211_ATTR_CQM];
1da5fcc8
JB		 8534 if (!cqm)
8535 return -EINVAL;
d6dc1a38
JO		 8536
8537 err = nla_parse_nested(attrs, NL80211_ATTR_CQM_MAX, cqm,
8538 nl80211_attr_cqm_policy);
8539 if (err)
1da5fcc8 8540 return err;
d6dc1a38
JO		 8541
8542 if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] &&
8543 attrs[NL80211_ATTR_CQM_RSSI_HYST]) {
1da5fcc8
JB		 8544 s32 threshold = nla_get_s32(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
8545 u32 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]);
d6dc1a38 8546
1da5fcc8
JB		 8547 return nl80211_set_cqm_rssi(info, threshold, hysteresis);
8548 }
8549
8550 if (attrs[NL80211_ATTR_CQM_TXE_RATE] &&
8551 attrs[NL80211_ATTR_CQM_TXE_PKTS] &&
8552 attrs[NL80211_ATTR_CQM_TXE_INTVL]) {
8553 u32 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]);
8554 u32 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]);
8555 u32 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]);
8556
8557 return nl80211_set_cqm_txe(info, rate, pkts, intvl);
8558 }
8559
8560 return -EINVAL;
d6dc1a38
JO		 8561}
8562
6e0bd6c3
RL		 8563static int nl80211_join_ocb(struct sk_buff *skb, struct genl_info *info)
8564{
8565 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8566 struct net_device *dev = info->user_ptr[1];
8567 struct ocb_setup setup = {};
8568 int err;
8569
8570 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
8571 if (err)
8572 return err;
8573
8574 return cfg80211_join_ocb(rdev, dev, &setup);
8575}
8576
8577static int nl80211_leave_ocb(struct sk_buff *skb, struct genl_info *info)
8578{
8579 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8580 struct net_device *dev = info->user_ptr[1];
8581
8582 return cfg80211_leave_ocb(rdev, dev);
8583}
8584
29cbe68c
JB		 8585static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info)
8586{
8587 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8588 struct net_device *dev = info->user_ptr[1];
8589 struct mesh_config cfg;
c80d545d 8590 struct mesh_setup setup;
29cbe68c
JB		 8591 int err;
8592
8593 /* start with default */
8594 memcpy(&cfg, &default_mesh_config, sizeof(cfg));
c80d545d 8595 memcpy(&setup, &default_mesh_setup, sizeof(setup));
29cbe68c 8596
24bdd9f4 8597 if (info->attrs[NL80211_ATTR_MESH_CONFIG]) {
29cbe68c 8598 /* and parse parameters if given */
24bdd9f4 8599 err = nl80211_parse_mesh_config(info, &cfg, NULL);
29cbe68c
JB		 8600 if (err)
8601 return err;
8602 }
8603
8604 if (!info->attrs[NL80211_ATTR_MESH_ID] ||
8605 !nla_len(info->attrs[NL80211_ATTR_MESH_ID]))
8606 return -EINVAL;
8607
c80d545d
JC		 8608 setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]);
8609 setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
8610
4bb62344
CYY		 8611 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
8612 !nl80211_parse_mcast_rate(rdev, setup.mcast_rate,
8613 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
8614 return -EINVAL;
8615
9bdbf04d
MP		 8616 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) {
8617 setup.beacon_interval =
8618 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
8619 if (setup.beacon_interval < 10 ||
8620 setup.beacon_interval > 10000)
8621 return -EINVAL;
8622 }
8623
8624 if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) {
8625 setup.dtim_period =
8626 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
8627 if (setup.dtim_period < 1 || setup.dtim_period > 100)
8628 return -EINVAL;
8629 }
8630
c80d545d
JC		 8631 if (info->attrs[NL80211_ATTR_MESH_SETUP]) {
8632 /* parse additional setup parameters if given */
8633 err = nl80211_parse_mesh_setup(info, &setup);
8634 if (err)
8635 return err;
8636 }
8637
d37bb18a
TP		 8638 if (setup.user_mpm)
8639 cfg.auto_open_plinks = false;
8640
cc1d2806 8641 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
683b6d3b
JB		 8642 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
8643 if (err)
8644 return err;
cc1d2806
JB		 8645 } else {
8646 /* cfg80211_join_mesh() will sort it out */
683b6d3b 8647 setup.chandef.chan = NULL;
cc1d2806
JB		 8648 }
8649
ffb3cf30
AN		 8650 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
8651 u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
8652 int n_rates =
8653 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
8654 struct ieee80211_supported_band *sband;
8655
8656 if (!setup.chandef.chan)
8657 return -EINVAL;
8658
8659 sband = rdev->wiphy.bands[setup.chandef.chan->band];
8660
8661 err = ieee80211_get_ratemask(sband, rates, n_rates,
8662 &setup.basic_rates);
8663 if (err)
8664 return err;
8665 }
8666
c80d545d 8667 return cfg80211_join_mesh(rdev, dev, &setup, &cfg);
29cbe68c
JB		 8668}
8669
8670static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info)
8671{
8672 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8673 struct net_device *dev = info->user_ptr[1];
8674
8675 return cfg80211_leave_mesh(rdev, dev);
8676}
8677
dfb89c56 8678#ifdef CONFIG_PM
bb92d199
AK		 8679static int nl80211_send_wowlan_patterns(struct sk_buff *msg,
8680 struct cfg80211_registered_device *rdev)
8681{
6abb9cb9 8682 struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config;
bb92d199
AK		 8683 struct nlattr *nl_pats, *nl_pat;
8684 int i, pat_len;
8685
6abb9cb9 8686 if (!wowlan->n_patterns)
bb92d199
AK		 8687 return 0;
8688
8689 nl_pats = nla_nest_start(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN);
8690 if (!nl_pats)
8691 return -ENOBUFS;
8692
6abb9cb9 8693 for (i = 0; i < wowlan->n_patterns; i++) {
bb92d199
AK		 8694 nl_pat = nla_nest_start(msg, i + 1);
8695 if (!nl_pat)
8696 return -ENOBUFS;
6abb9cb9 8697 pat_len = wowlan->patterns[i].pattern_len;
50ac6607 8698 if (nla_put(msg, NL80211_PKTPAT_MASK, DIV_ROUND_UP(pat_len, 8),
6abb9cb9 8699 wowlan->patterns[i].mask) ||
50ac6607
AK		 8700 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
8701 wowlan->patterns[i].pattern) ||
8702 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
6abb9cb9 8703 wowlan->patterns[i].pkt_offset))
bb92d199
AK		 8704 return -ENOBUFS;
8705 nla_nest_end(msg, nl_pat);
8706 }
8707 nla_nest_end(msg, nl_pats);
8708
8709 return 0;
8710}
8711
2a0e047e
JB		 8712static int nl80211_send_wowlan_tcp(struct sk_buff *msg,
8713 struct cfg80211_wowlan_tcp *tcp)
8714{
8715 struct nlattr *nl_tcp;
8716
8717 if (!tcp)
8718 return 0;
8719
8720 nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION);
8721 if (!nl_tcp)
8722 return -ENOBUFS;
8723
8724 if (nla_put_be32(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) ||
8725 nla_put_be32(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) ||
8726 nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) ||
8727 nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) ||
8728 nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) ||
8729 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
8730 tcp->payload_len, tcp->payload) ||
8731 nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
8732 tcp->data_interval) ||
8733 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
8734 tcp->wake_len, tcp->wake_data) ||
8735 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK,
8736 DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask))
8737 return -ENOBUFS;
8738
8739 if (tcp->payload_seq.len &&
8740 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ,
8741 sizeof(tcp->payload_seq), &tcp->payload_seq))
8742 return -ENOBUFS;
8743
8744 if (tcp->payload_tok.len &&
8745 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
8746 sizeof(tcp->payload_tok) + tcp->tokens_size,
8747 &tcp->payload_tok))
8748 return -ENOBUFS;
8749
e248ad30
JB		 8750 nla_nest_end(msg, nl_tcp);
8751
2a0e047e
JB		 8752 return 0;
8753}
8754
75453ccb
LC		 8755static int nl80211_send_wowlan_nd(struct sk_buff *msg,
8756 struct cfg80211_sched_scan_request *req)
8757{
8758 struct nlattr *nd, *freqs, *matches, *match;
8759 int i;
8760
8761 if (!req)
8762 return 0;
8763
8764 nd = nla_nest_start(msg, NL80211_WOWLAN_TRIG_NET_DETECT);
8765 if (!nd)
8766 return -ENOBUFS;
8767
8768 if (nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_INTERVAL, req->interval))
8769 return -ENOBUFS;
8770
8771 freqs = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES);
8772 if (!freqs)
8773 return -ENOBUFS;
8774
8775 for (i = 0; i < req->n_channels; i++)
8776 nla_put_u32(msg, i, req->channels[i]->center_freq);
8777
8778 nla_nest_end(msg, freqs);
8779
8780 if (req->n_match_sets) {
8781 matches = nla_nest_start(msg, NL80211_ATTR_SCHED_SCAN_MATCH);
8782 for (i = 0; i < req->n_match_sets; i++) {
8783 match = nla_nest_start(msg, i);
8784 nla_put(msg, NL80211_SCHED_SCAN_MATCH_ATTR_SSID,
8785 req->match_sets[i].ssid.ssid_len,
8786 req->match_sets[i].ssid.ssid);
8787 nla_nest_end(msg, match);
8788 }
8789 nla_nest_end(msg, matches);
8790 }
8791
8792 nla_nest_end(msg, nd);
8793
8794 return 0;
8795}
8796
ff1b6e69
JB		 8797static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info)
8798{
8799 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8800 struct sk_buff *msg;
8801 void *hdr;
2a0e047e 8802 u32 size = NLMSG_DEFAULT_SIZE;
ff1b6e69 8803
964dc9e2 8804 if (!rdev->wiphy.wowlan)
ff1b6e69
JB		 8805 return -EOPNOTSUPP;
8806
6abb9cb9 8807 if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) {
2a0e047e 8808 /* adjust size to have room for all the data */
6abb9cb9
JB		 8809 size += rdev->wiphy.wowlan_config->tcp->tokens_size +
8810 rdev->wiphy.wowlan_config->tcp->payload_len +
8811 rdev->wiphy.wowlan_config->tcp->wake_len +
8812 rdev->wiphy.wowlan_config->tcp->wake_len / 8;
2a0e047e
JB		 8813 }
8814
8815 msg = nlmsg_new(size, GFP_KERNEL);
ff1b6e69
JB		 8816 if (!msg)
8817 return -ENOMEM;
8818
15e47304 8819 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
ff1b6e69
JB		 8820 NL80211_CMD_GET_WOWLAN);
8821 if (!hdr)
8822 goto nla_put_failure;
8823
6abb9cb9 8824 if (rdev->wiphy.wowlan_config) {
ff1b6e69
JB		 8825 struct nlattr *nl_wowlan;
8826
8827 nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS);
8828 if (!nl_wowlan)
8829 goto nla_put_failure;
8830
6abb9cb9 8831 if ((rdev->wiphy.wowlan_config->any &&
9360ffd1 8832 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
6abb9cb9 8833 (rdev->wiphy.wowlan_config->disconnect &&
9360ffd1 8834 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
6abb9cb9 8835 (rdev->wiphy.wowlan_config->magic_pkt &&
9360ffd1 8836 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
6abb9cb9 8837 (rdev->wiphy.wowlan_config->gtk_rekey_failure &&
9360ffd1 8838 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
6abb9cb9 8839 (rdev->wiphy.wowlan_config->eap_identity_req &&
9360ffd1 8840 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
6abb9cb9 8841 (rdev->wiphy.wowlan_config->four_way_handshake &&
9360ffd1 8842 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
6abb9cb9 8843 (rdev->wiphy.wowlan_config->rfkill_release &&
9360ffd1
DM		 8844 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
8845 goto nla_put_failure;
2a0e047e 8846
bb92d199
AK		 8847 if (nl80211_send_wowlan_patterns(msg, rdev))
8848 goto nla_put_failure;
2a0e047e 8849
6abb9cb9
JB		 8850 if (nl80211_send_wowlan_tcp(msg,
8851 rdev->wiphy.wowlan_config->tcp))
2a0e047e 8852 goto nla_put_failure;
75453ccb
LC		 8853
8854 if (nl80211_send_wowlan_nd(
8855 msg,
8856 rdev->wiphy.wowlan_config->nd_config))
8857 goto nla_put_failure;
2a0e047e 8858
ff1b6e69
JB		 8859 nla_nest_end(msg, nl_wowlan);
8860 }
8861
8862 genlmsg_end(msg, hdr);
8863 return genlmsg_reply(msg, info);
8864
8865nla_put_failure:
8866 nlmsg_free(msg);
8867 return -ENOBUFS;
8868}
8869
2a0e047e
JB		 8870static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev,
8871 struct nlattr *attr,
8872 struct cfg80211_wowlan *trig)
8873{
8874 struct nlattr *tb[NUM_NL80211_WOWLAN_TCP];
8875 struct cfg80211_wowlan_tcp *cfg;
8876 struct nl80211_wowlan_tcp_data_token *tok = NULL;
8877 struct nl80211_wowlan_tcp_data_seq *seq = NULL;
8878 u32 size;
8879 u32 data_size, wake_size, tokens_size = 0, wake_mask_size;
8880 int err, port;
8881
964dc9e2 8882 if (!rdev->wiphy.wowlan->tcp)
2a0e047e
JB		 8883 return -EINVAL;
8884
8885 err = nla_parse(tb, MAX_NL80211_WOWLAN_TCP,
8886 nla_data(attr), nla_len(attr),
8887 nl80211_wowlan_tcp_policy);
8888 if (err)
8889 return err;
8890
8891 if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] ||
8892 !tb[NL80211_WOWLAN_TCP_DST_IPV4] ||
8893 !tb[NL80211_WOWLAN_TCP_DST_MAC] ||
8894 !tb[NL80211_WOWLAN_TCP_DST_PORT] ||
8895 !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] ||
8896 !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] ||
8897 !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] ||
8898 !tb[NL80211_WOWLAN_TCP_WAKE_MASK])
8899 return -EINVAL;
8900
8901 data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]);
964dc9e2 8902 if (data_size > rdev->wiphy.wowlan->tcp->data_payload_max)
2a0e047e
JB		 8903 return -EINVAL;
8904
8905 if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) >
964dc9e2 8906 rdev->wiphy.wowlan->tcp->data_interval_max ||
723d568a 8907 nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0)
2a0e047e
JB		 8908 return -EINVAL;
8909
8910 wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]);
964dc9e2 8911 if (wake_size > rdev->wiphy.wowlan->tcp->wake_payload_max)
2a0e047e
JB		 8912 return -EINVAL;
8913
8914 wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]);
8915 if (wake_mask_size != DIV_ROUND_UP(wake_size, 8))
8916 return -EINVAL;
8917
8918 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) {
8919 u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
8920
8921 tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
8922 tokens_size = tokln - sizeof(*tok);
8923
8924 if (!tok->len || tokens_size % tok->len)
8925 return -EINVAL;
964dc9e2 8926 if (!rdev->wiphy.wowlan->tcp->tok)
2a0e047e 8927 return -EINVAL;
964dc9e2 8928 if (tok->len > rdev->wiphy.wowlan->tcp->tok->max_len)
2a0e047e 8929 return -EINVAL;
964dc9e2 8930 if (tok->len < rdev->wiphy.wowlan->tcp->tok->min_len)
2a0e047e 8931 return -EINVAL;
964dc9e2 8932 if (tokens_size > rdev->wiphy.wowlan->tcp->tok->bufsize)
2a0e047e
JB		 8933 return -EINVAL;
8934 if (tok->offset + tok->len > data_size)
8935 return -EINVAL;
8936 }
8937
8938 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) {
8939 seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]);
964dc9e2 8940 if (!rdev->wiphy.wowlan->tcp->seq)
2a0e047e
JB		 8941 return -EINVAL;
8942 if (seq->len == 0 || seq->len > 4)
8943 return -EINVAL;
8944 if (seq->len + seq->offset > data_size)
8945 return -EINVAL;
8946 }
8947
8948 size = sizeof(*cfg);
8949 size += data_size;
8950 size += wake_size + wake_mask_size;
8951 size += tokens_size;
8952
8953 cfg = kzalloc(size, GFP_KERNEL);
8954 if (!cfg)
8955 return -ENOMEM;
8956 cfg->src = nla_get_be32(tb[NL80211_WOWLAN_TCP_SRC_IPV4]);
8957 cfg->dst = nla_get_be32(tb[NL80211_WOWLAN_TCP_DST_IPV4]);
8958 memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]),
8959 ETH_ALEN);
8960 if (tb[NL80211_WOWLAN_TCP_SRC_PORT])
8961 port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]);
8962 else
8963 port = 0;
8964#ifdef CONFIG_INET
8965 /* allocate a socket and port for it and use it */
8966 err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM,
8967 IPPROTO_TCP, &cfg->sock, 1);
8968 if (err) {
8969 kfree(cfg);
8970 return err;
8971 }
8972 if (inet_csk_get_port(cfg->sock->sk, port)) {
8973 sock_release(cfg->sock);
8974 kfree(cfg);
8975 return -EADDRINUSE;
8976 }
8977 cfg->src_port = inet_sk(cfg->sock->sk)->inet_num;
8978#else
8979 if (!port) {
8980 kfree(cfg);
8981 return -EINVAL;
8982 }
8983 cfg->src_port = port;
8984#endif
8985
8986 cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]);
8987 cfg->payload_len = data_size;
8988 cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size;
8989 memcpy((void *)cfg->payload,
8990 nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]),
8991 data_size);
8992 if (seq)
8993 cfg->payload_seq = *seq;
8994 cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]);
8995 cfg->wake_len = wake_size;
8996 cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size;
8997 memcpy((void *)cfg->wake_data,
8998 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]),
8999 wake_size);
9000 cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size +
9001 data_size + wake_size;
9002 memcpy((void *)cfg->wake_mask,
9003 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]),
9004 wake_mask_size);
9005 if (tok) {
9006 cfg->tokens_size = tokens_size;
9007 memcpy(&cfg->payload_tok, tok, sizeof(*tok) + tokens_size);
9008 }
9009
9010 trig->tcp = cfg;
9011
9012 return 0;
9013}
9014
8cd4d456
LC		 9015static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device *rdev,
9016 const struct wiphy_wowlan_support *wowlan,
9017 struct nlattr *attr,
9018 struct cfg80211_wowlan *trig)
9019{
9020 struct nlattr **tb;
9021 int err;
9022
9023 tb = kzalloc(NUM_NL80211_ATTR * sizeof(*tb), GFP_KERNEL);
9024 if (!tb)
9025 return -ENOMEM;
9026
9027 if (!(wowlan->flags & WIPHY_WOWLAN_NET_DETECT)) {
9028 err = -EOPNOTSUPP;
9029 goto out;
9030 }
9031
9032 err = nla_parse(tb, NL80211_ATTR_MAX,
9033 nla_data(attr), nla_len(attr),
9034 nl80211_policy);
9035 if (err)
9036 goto out;
9037
ad2b26ab 9038 trig->nd_config = nl80211_parse_sched_scan(&rdev->wiphy, NULL, tb);
8cd4d456
LC		 9039 err = PTR_ERR_OR_ZERO(trig->nd_config);
9040 if (err)
9041 trig->nd_config = NULL;
9042
9043out:
9044 kfree(tb);
9045 return err;
9046}
9047
ff1b6e69
JB		 9048static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
9049{
9050 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9051 struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG];
ff1b6e69 9052 struct cfg80211_wowlan new_triggers = {};
ae33bd81 9053 struct cfg80211_wowlan *ntrig;
964dc9e2 9054 const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan;
ff1b6e69 9055 int err, i;
6abb9cb9 9056 bool prev_enabled = rdev->wiphy.wowlan_config;
ff1b6e69 9057
964dc9e2 9058 if (!wowlan)
ff1b6e69
JB		 9059 return -EOPNOTSUPP;
9060
ae33bd81
JB		 9061 if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) {
9062 cfg80211_rdev_free_wowlan(rdev);
6abb9cb9 9063 rdev->wiphy.wowlan_config = NULL;
ae33bd81
JB		 9064 goto set_wakeup;
9065 }
ff1b6e69
JB		 9066
9067 err = nla_parse(tb, MAX_NL80211_WOWLAN_TRIG,
9068 nla_data(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]),
9069 nla_len(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]),
9070 nl80211_wowlan_policy);
9071 if (err)
9072 return err;
9073
9074 if (tb[NL80211_WOWLAN_TRIG_ANY]) {
9075 if (!(wowlan->flags & WIPHY_WOWLAN_ANY))
9076 return -EINVAL;
9077 new_triggers.any = true;
9078 }
9079
9080 if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) {
9081 if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT))
9082 return -EINVAL;
9083 new_triggers.disconnect = true;
9084 }
9085
9086 if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) {
9087 if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT))
9088 return -EINVAL;
9089 new_triggers.magic_pkt = true;
9090 }
9091
77dbbb13
JB		 9092 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED])
9093 return -EINVAL;
9094
9095 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) {
9096 if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE))
9097 return -EINVAL;
9098 new_triggers.gtk_rekey_failure = true;
9099 }
9100
9101 if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) {
9102 if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ))
9103 return -EINVAL;
9104 new_triggers.eap_identity_req = true;
9105 }
9106
9107 if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) {
9108 if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE))
9109 return -EINVAL;
9110 new_triggers.four_way_handshake = true;
9111 }
9112
9113 if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) {
9114 if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE))
9115 return -EINVAL;
9116 new_triggers.rfkill_release = true;
9117 }
9118
ff1b6e69
JB		 9119 if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) {
9120 struct nlattr *pat;
9121 int n_patterns = 0;
bb92d199 9122 int rem, pat_len, mask_len, pkt_offset;
50ac6607 9123 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
ff1b6e69
JB		 9124
9125 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
9126 rem)
9127 n_patterns++;
9128 if (n_patterns > wowlan->n_patterns)
9129 return -EINVAL;
9130
9131 new_triggers.patterns = kcalloc(n_patterns,
9132 sizeof(new_triggers.patterns[0]),
9133 GFP_KERNEL);
9134 if (!new_triggers.patterns)
9135 return -ENOMEM;
9136
9137 new_triggers.n_patterns = n_patterns;
9138 i = 0;
9139
9140 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
9141 rem) {
922bd80f
JB		 9142 u8 *mask_pat;
9143
50ac6607
AK		 9144 nla_parse(pat_tb, MAX_NL80211_PKTPAT, nla_data(pat),
9145 nla_len(pat), NULL);
ff1b6e69 9146 err = -EINVAL;
50ac6607
AK		 9147 if (!pat_tb[NL80211_PKTPAT_MASK] ||
9148 !pat_tb[NL80211_PKTPAT_PATTERN])
ff1b6e69 9149 goto error;
50ac6607 9150 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
ff1b6e69 9151 mask_len = DIV_ROUND_UP(pat_len, 8);
50ac6607 9152 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
ff1b6e69
JB		 9153 goto error;
9154 if (pat_len > wowlan->pattern_max_len ||
9155 pat_len < wowlan->pattern_min_len)
9156 goto error;
9157
50ac6607 9158 if (!pat_tb[NL80211_PKTPAT_OFFSET])
bb92d199
AK		 9159 pkt_offset = 0;
9160 else
9161 pkt_offset = nla_get_u32(
50ac6607 9162 pat_tb[NL80211_PKTPAT_OFFSET]);
bb92d199
AK		 9163 if (pkt_offset > wowlan->max_pkt_offset)
9164 goto error;
9165 new_triggers.patterns[i].pkt_offset = pkt_offset;
9166
922bd80f
JB		 9167 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
9168 if (!mask_pat) {
ff1b6e69
JB		 9169 err = -ENOMEM;
9170 goto error;
9171 }
922bd80f
JB		 9172 new_triggers.patterns[i].mask = mask_pat;
9173 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
ff1b6e69 9174 mask_len);
922bd80f
JB		 9175 mask_pat += mask_len;
9176 new_triggers.patterns[i].pattern = mask_pat;
ff1b6e69 9177 new_triggers.patterns[i].pattern_len = pat_len;
922bd80f 9178 memcpy(mask_pat,
50ac6607 9179 nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
ff1b6e69
JB		 9180 pat_len);
9181 i++;
9182 }
9183 }
9184
2a0e047e
JB		 9185 if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) {
9186 err = nl80211_parse_wowlan_tcp(
9187 rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION],
9188 &new_triggers);
9189 if (err)
9190 goto error;
9191 }
9192
8cd4d456
LC		 9193 if (tb[NL80211_WOWLAN_TRIG_NET_DETECT]) {
9194 err = nl80211_parse_wowlan_nd(
9195 rdev, wowlan, tb[NL80211_WOWLAN_TRIG_NET_DETECT],
9196 &new_triggers);
9197 if (err)
9198 goto error;
9199 }
9200
ae33bd81
JB		 9201 ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL);
9202 if (!ntrig) {
9203 err = -ENOMEM;
9204 goto error;
ff1b6e69 9205 }
ae33bd81 9206 cfg80211_rdev_free_wowlan(rdev);
6abb9cb9 9207 rdev->wiphy.wowlan_config = ntrig;
ff1b6e69 9208
ae33bd81 9209 set_wakeup:
6abb9cb9
JB		 9210 if (rdev->ops->set_wakeup &&
9211 prev_enabled != !!rdev->wiphy.wowlan_config)
9212 rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config);
6d52563f 9213
ff1b6e69
JB		 9214 return 0;
9215 error:
9216 for (i = 0; i < new_triggers.n_patterns; i++)
9217 kfree(new_triggers.patterns[i].mask);
9218 kfree(new_triggers.patterns);
2a0e047e
JB		 9219 if (new_triggers.tcp && new_triggers.tcp->sock)
9220 sock_release(new_triggers.tcp->sock);
9221 kfree(new_triggers.tcp);
ff1b6e69
JB		 9222 return err;
9223}
dfb89c56 9224#endif
ff1b6e69 9225
be29b99a
AK		 9226static int nl80211_send_coalesce_rules(struct sk_buff *msg,
9227 struct cfg80211_registered_device *rdev)
9228{
9229 struct nlattr *nl_pats, *nl_pat, *nl_rule, *nl_rules;
9230 int i, j, pat_len;
9231 struct cfg80211_coalesce_rules *rule;
9232
9233 if (!rdev->coalesce->n_rules)
9234 return 0;
9235
9236 nl_rules = nla_nest_start(msg, NL80211_ATTR_COALESCE_RULE);
9237 if (!nl_rules)
9238 return -ENOBUFS;
9239
9240 for (i = 0; i < rdev->coalesce->n_rules; i++) {
9241 nl_rule = nla_nest_start(msg, i + 1);
9242 if (!nl_rule)
9243 return -ENOBUFS;
9244
9245 rule = &rdev->coalesce->rules[i];
9246 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_DELAY,
9247 rule->delay))
9248 return -ENOBUFS;
9249
9250 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_CONDITION,
9251 rule->condition))
9252 return -ENOBUFS;
9253
9254 nl_pats = nla_nest_start(msg,
9255 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN);
9256 if (!nl_pats)
9257 return -ENOBUFS;
9258
9259 for (j = 0; j < rule->n_patterns; j++) {
9260 nl_pat = nla_nest_start(msg, j + 1);
9261 if (!nl_pat)
9262 return -ENOBUFS;
9263 pat_len = rule->patterns[j].pattern_len;
9264 if (nla_put(msg, NL80211_PKTPAT_MASK,
9265 DIV_ROUND_UP(pat_len, 8),
9266 rule->patterns[j].mask) ||
9267 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
9268 rule->patterns[j].pattern) ||
9269 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
9270 rule->patterns[j].pkt_offset))
9271 return -ENOBUFS;
9272 nla_nest_end(msg, nl_pat);
9273 }
9274 nla_nest_end(msg, nl_pats);
9275 nla_nest_end(msg, nl_rule);
9276 }
9277 nla_nest_end(msg, nl_rules);
9278
9279 return 0;
9280}
9281
9282static int nl80211_get_coalesce(struct sk_buff *skb, struct genl_info *info)
9283{
9284 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9285 struct sk_buff *msg;
9286 void *hdr;
9287
9288 if (!rdev->wiphy.coalesce)
9289 return -EOPNOTSUPP;
9290
9291 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
9292 if (!msg)
9293 return -ENOMEM;
9294
9295 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
9296 NL80211_CMD_GET_COALESCE);
9297 if (!hdr)
9298 goto nla_put_failure;
9299
9300 if (rdev->coalesce && nl80211_send_coalesce_rules(msg, rdev))
9301 goto nla_put_failure;
9302
9303 genlmsg_end(msg, hdr);
9304 return genlmsg_reply(msg, info);
9305
9306nla_put_failure:
9307 nlmsg_free(msg);
9308 return -ENOBUFS;
9309}
9310
9311void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev)
9312{
9313 struct cfg80211_coalesce *coalesce = rdev->coalesce;
9314 int i, j;
9315 struct cfg80211_coalesce_rules *rule;
9316
9317 if (!coalesce)
9318 return;
9319
9320 for (i = 0; i < coalesce->n_rules; i++) {
9321 rule = &coalesce->rules[i];
9322 for (j = 0; j < rule->n_patterns; j++)
9323 kfree(rule->patterns[j].mask);
9324 kfree(rule->patterns);
9325 }
9326 kfree(coalesce->rules);
9327 kfree(coalesce);
9328 rdev->coalesce = NULL;
9329}
9330
9331static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev,
9332 struct nlattr *rule,
9333 struct cfg80211_coalesce_rules *new_rule)
9334{
9335 int err, i;
9336 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
9337 struct nlattr *tb[NUM_NL80211_ATTR_COALESCE_RULE], *pat;
9338 int rem, pat_len, mask_len, pkt_offset, n_patterns = 0;
9339 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
9340
9341 err = nla_parse(tb, NL80211_ATTR_COALESCE_RULE_MAX, nla_data(rule),
9342 nla_len(rule), nl80211_coalesce_policy);
9343 if (err)
9344 return err;
9345
9346 if (tb[NL80211_ATTR_COALESCE_RULE_DELAY])
9347 new_rule->delay =
9348 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_DELAY]);
9349 if (new_rule->delay > coalesce->max_delay)
9350 return -EINVAL;
9351
9352 if (tb[NL80211_ATTR_COALESCE_RULE_CONDITION])
9353 new_rule->condition =
9354 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_CONDITION]);
9355 if (new_rule->condition != NL80211_COALESCE_CONDITION_MATCH &&
9356 new_rule->condition != NL80211_COALESCE_CONDITION_NO_MATCH)
9357 return -EINVAL;
9358
9359 if (!tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN])
9360 return -EINVAL;
9361
9362 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
9363 rem)
9364 n_patterns++;
9365 if (n_patterns > coalesce->n_patterns)
9366 return -EINVAL;
9367
9368 new_rule->patterns = kcalloc(n_patterns, sizeof(new_rule->patterns[0]),
9369 GFP_KERNEL);
9370 if (!new_rule->patterns)
9371 return -ENOMEM;
9372
9373 new_rule->n_patterns = n_patterns;
9374 i = 0;
9375
9376 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
9377 rem) {
922bd80f
JB		 9378 u8 *mask_pat;
9379
be29b99a
AK		 9380 nla_parse(pat_tb, MAX_NL80211_PKTPAT, nla_data(pat),
9381 nla_len(pat), NULL);
9382 if (!pat_tb[NL80211_PKTPAT_MASK] ||
9383 !pat_tb[NL80211_PKTPAT_PATTERN])
9384 return -EINVAL;
9385 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
9386 mask_len = DIV_ROUND_UP(pat_len, 8);
9387 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
9388 return -EINVAL;
9389 if (pat_len > coalesce->pattern_max_len ||
9390 pat_len < coalesce->pattern_min_len)
9391 return -EINVAL;
9392
9393 if (!pat_tb[NL80211_PKTPAT_OFFSET])
9394 pkt_offset = 0;
9395 else
9396 pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]);
9397 if (pkt_offset > coalesce->max_pkt_offset)
9398 return -EINVAL;
9399 new_rule->patterns[i].pkt_offset = pkt_offset;
9400
922bd80f
JB		 9401 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
9402 if (!mask_pat)
be29b99a 9403 return -ENOMEM;
922bd80f
JB		 9404
9405 new_rule->patterns[i].mask = mask_pat;
9406 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
9407 mask_len);
9408
9409 mask_pat += mask_len;
9410 new_rule->patterns[i].pattern = mask_pat;
be29b99a 9411 new_rule->patterns[i].pattern_len = pat_len;
922bd80f
JB		 9412 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
9413 pat_len);
be29b99a
AK		 9414 i++;
9415 }
9416
9417 return 0;
9418}
9419
9420static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info)
9421{
9422 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9423 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
9424 struct cfg80211_coalesce new_coalesce = {};
9425 struct cfg80211_coalesce *n_coalesce;
9426 int err, rem_rule, n_rules = 0, i, j;
9427 struct nlattr *rule;
9428 struct cfg80211_coalesce_rules *tmp_rule;
9429
9430 if (!rdev->wiphy.coalesce || !rdev->ops->set_coalesce)
9431 return -EOPNOTSUPP;
9432
9433 if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) {
9434 cfg80211_rdev_free_coalesce(rdev);
9435 rdev->ops->set_coalesce(&rdev->wiphy, NULL);
9436 return 0;
9437 }
9438
9439 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
9440 rem_rule)
9441 n_rules++;
9442 if (n_rules > coalesce->n_rules)
9443 return -EINVAL;
9444
9445 new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]),
9446 GFP_KERNEL);
9447 if (!new_coalesce.rules)
9448 return -ENOMEM;
9449
9450 new_coalesce.n_rules = n_rules;
9451 i = 0;
9452
9453 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
9454 rem_rule) {
9455 err = nl80211_parse_coalesce_rule(rdev, rule,
9456 &new_coalesce.rules[i]);
9457 if (err)
9458 goto error;
9459
9460 i++;
9461 }
9462
9463 err = rdev->ops->set_coalesce(&rdev->wiphy, &new_coalesce);
9464 if (err)
9465 goto error;
9466
9467 n_coalesce = kmemdup(&new_coalesce, sizeof(new_coalesce), GFP_KERNEL);
9468 if (!n_coalesce) {
9469 err = -ENOMEM;
9470 goto error;
9471 }
9472 cfg80211_rdev_free_coalesce(rdev);
9473 rdev->coalesce = n_coalesce;
9474
9475 return 0;
9476error:
9477 for (i = 0; i < new_coalesce.n_rules; i++) {
9478 tmp_rule = &new_coalesce.rules[i];
9479 for (j = 0; j < tmp_rule->n_patterns; j++)
9480 kfree(tmp_rule->patterns[j].mask);
9481 kfree(tmp_rule->patterns);
9482 }
9483 kfree(new_coalesce.rules);
9484
9485 return err;
9486}
9487
e5497d76
JB		 9488static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info)
9489{
9490 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9491 struct net_device *dev = info->user_ptr[1];
9492 struct wireless_dev *wdev = dev->ieee80211_ptr;
9493 struct nlattr *tb[NUM_NL80211_REKEY_DATA];
9494 struct cfg80211_gtk_rekey_data rekey_data;
9495 int err;
9496
9497 if (!info->attrs[NL80211_ATTR_REKEY_DATA])
9498 return -EINVAL;
9499
9500 err = nla_parse(tb, MAX_NL80211_REKEY_DATA,
9501 nla_data(info->attrs[NL80211_ATTR_REKEY_DATA]),
9502 nla_len(info->attrs[NL80211_ATTR_REKEY_DATA]),
9503 nl80211_rekey_policy);
9504 if (err)
9505 return err;
9506
9507 if (nla_len(tb[NL80211_REKEY_DATA_REPLAY_CTR]) != NL80211_REPLAY_CTR_LEN)
9508 return -ERANGE;
9509 if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN)
9510 return -ERANGE;
9511 if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN)
9512 return -ERANGE;
9513
78f686ca
JB		 9514 rekey_data.kek = nla_data(tb[NL80211_REKEY_DATA_KEK]);
9515 rekey_data.kck = nla_data(tb[NL80211_REKEY_DATA_KCK]);
9516 rekey_data.replay_ctr = nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]);
e5497d76
JB		 9517
9518 wdev_lock(wdev);
9519 if (!wdev->current_bss) {
9520 err = -ENOTCONN;
9521 goto out;
9522 }
9523
9524 if (!rdev->ops->set_rekey_data) {
9525 err = -EOPNOTSUPP;
9526 goto out;
9527 }
9528
e35e4d28 9529 err = rdev_set_rekey_data(rdev, dev, &rekey_data);
e5497d76
JB		 9530 out:
9531 wdev_unlock(wdev);
9532 return err;
9533}
9534
28946da7
JB		 9535static int nl80211_register_unexpected_frame(struct sk_buff *skb,
9536 struct genl_info *info)
9537{
9538 struct net_device *dev = info->user_ptr[1];
9539 struct wireless_dev *wdev = dev->ieee80211_ptr;
9540
9541 if (wdev->iftype != NL80211_IFTYPE_AP &&
9542 wdev->iftype != NL80211_IFTYPE_P2P_GO)
9543 return -EINVAL;
9544
15e47304 9545 if (wdev->ap_unexpected_nlportid)
28946da7
JB		 9546 return -EBUSY;
9547
15e47304 9548 wdev->ap_unexpected_nlportid = info->snd_portid;
28946da7
JB		 9549 return 0;
9550}
9551
7f6cf311
JB		 9552static int nl80211_probe_client(struct sk_buff *skb,
9553 struct genl_info *info)
9554{
9555 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9556 struct net_device *dev = info->user_ptr[1];
9557 struct wireless_dev *wdev = dev->ieee80211_ptr;
9558 struct sk_buff *msg;
9559 void *hdr;
9560 const u8 *addr;
9561 u64 cookie;
9562 int err;
9563
9564 if (wdev->iftype != NL80211_IFTYPE_AP &&
9565 wdev->iftype != NL80211_IFTYPE_P2P_GO)
9566 return -EOPNOTSUPP;
9567
9568 if (!info->attrs[NL80211_ATTR_MAC])
9569 return -EINVAL;
9570
9571 if (!rdev->ops->probe_client)
9572 return -EOPNOTSUPP;
9573
9574 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
9575 if (!msg)
9576 return -ENOMEM;
9577
15e47304 9578 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
7f6cf311 9579 NL80211_CMD_PROBE_CLIENT);
cb35fba3
DC		 9580 if (!hdr) {
9581 err = -ENOBUFS;
7f6cf311
JB		 9582 goto free_msg;
9583 }
9584
9585 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
9586
e35e4d28 9587 err = rdev_probe_client(rdev, dev, addr, &cookie);
7f6cf311
JB		 9588 if (err)
9589 goto free_msg;
9590
9360ffd1
DM		 9591 if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie))
9592 goto nla_put_failure;
7f6cf311
JB		 9593
9594 genlmsg_end(msg, hdr);
9595
9596 return genlmsg_reply(msg, info);
9597
9598 nla_put_failure:
9599 err = -ENOBUFS;
9600 free_msg:
9601 nlmsg_free(msg);
9602 return err;
9603}
9604
5e760230
JB		 9605static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info)
9606{
9607 struct cfg80211_registered_device *rdev = info->user_ptr[0];
37c73b5f
BG		 9608 struct cfg80211_beacon_registration *reg, *nreg;
9609 int rv;
5e760230
JB		 9610
9611 if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS))
9612 return -EOPNOTSUPP;
9613
37c73b5f
BG		 9614 nreg = kzalloc(sizeof(*nreg), GFP_KERNEL);
9615 if (!nreg)
9616 return -ENOMEM;
9617
9618 /* First, check if already registered. */
9619 spin_lock_bh(&rdev->beacon_registrations_lock);
9620 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
9621 if (reg->nlportid == info->snd_portid) {
9622 rv = -EALREADY;
9623 goto out_err;
9624 }
9625 }
9626 /* Add it to the list */
9627 nreg->nlportid = info->snd_portid;
9628 list_add(&nreg->list, &rdev->beacon_registrations);
5e760230 9629
37c73b5f 9630 spin_unlock_bh(&rdev->beacon_registrations_lock);
5e760230
JB		 9631
9632 return 0;
37c73b5f
BG		 9633out_err:
9634 spin_unlock_bh(&rdev->beacon_registrations_lock);
9635 kfree(nreg);
9636 return rv;
5e760230
JB		 9637}
9638
98104fde
JB		 9639static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info)
9640{
9641 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9642 struct wireless_dev *wdev = info->user_ptr[1];
9643 int err;
9644
9645 if (!rdev->ops->start_p2p_device)
9646 return -EOPNOTSUPP;
9647
9648 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
9649 return -EOPNOTSUPP;
9650
9651 if (wdev->p2p_started)
9652 return 0;
9653
b6a55015
LC		 9654 if (rfkill_blocked(rdev->rfkill))
9655 return -ERFKILL;
98104fde 9656
eeb126e9 9657 err = rdev_start_p2p_device(rdev, wdev);
98104fde
JB		 9658 if (err)
9659 return err;
9660
9661 wdev->p2p_started = true;
98104fde 9662 rdev->opencount++;
98104fde
JB		 9663
9664 return 0;
9665}
9666
9667static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info)
9668{
9669 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9670 struct wireless_dev *wdev = info->user_ptr[1];
9671
9672 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
9673 return -EOPNOTSUPP;
9674
9675 if (!rdev->ops->stop_p2p_device)
9676 return -EOPNOTSUPP;
9677
f9f47529 9678 cfg80211_stop_p2p_device(rdev, wdev);
98104fde
JB		 9679
9680 return 0;
9681}
9682
3713b4e3
JB		 9683static int nl80211_get_protocol_features(struct sk_buff *skb,
9684 struct genl_info *info)
9685{
9686 void *hdr;
9687 struct sk_buff *msg;
9688
9689 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
9690 if (!msg)
9691 return -ENOMEM;
9692
9693 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
9694 NL80211_CMD_GET_PROTOCOL_FEATURES);
9695 if (!hdr)
9696 goto nla_put_failure;
9697
9698 if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES,
9699 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP))
9700 goto nla_put_failure;
9701
9702 genlmsg_end(msg, hdr);
9703 return genlmsg_reply(msg, info);
9704
9705 nla_put_failure:
9706 kfree_skb(msg);
9707 return -ENOBUFS;
9708}
9709
355199e0
JM		 9710static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info)
9711{
9712 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9713 struct cfg80211_update_ft_ies_params ft_params;
9714 struct net_device *dev = info->user_ptr[1];
9715
9716 if (!rdev->ops->update_ft_ies)
9717 return -EOPNOTSUPP;
9718
9719 if (!info->attrs[NL80211_ATTR_MDID] ||
9720 !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
9721 return -EINVAL;
9722
9723 memset(&ft_params, 0, sizeof(ft_params));
9724 ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]);
9725 ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9726 ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9727
9728 return rdev_update_ft_ies(rdev, dev, &ft_params);
9729}
9730
5de17984
AS		 9731static int nl80211_crit_protocol_start(struct sk_buff *skb,
9732 struct genl_info *info)
9733{
9734 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9735 struct wireless_dev *wdev = info->user_ptr[1];
9736 enum nl80211_crit_proto_id proto = NL80211_CRIT_PROTO_UNSPEC;
9737 u16 duration;
9738 int ret;
9739
9740 if (!rdev->ops->crit_proto_start)
9741 return -EOPNOTSUPP;
9742
9743 if (WARN_ON(!rdev->ops->crit_proto_stop))
9744 return -EINVAL;
9745
9746 if (rdev->crit_proto_nlportid)
9747 return -EBUSY;
9748
9749 /* determine protocol if provided */
9750 if (info->attrs[NL80211_ATTR_CRIT_PROT_ID])
9751 proto = nla_get_u16(info->attrs[NL80211_ATTR_CRIT_PROT_ID]);
9752
9753 if (proto >= NUM_NL80211_CRIT_PROTO)
9754 return -EINVAL;
9755
9756 /* timeout must be provided */
9757 if (!info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION])
9758 return -EINVAL;
9759
9760 duration =
9761 nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]);
9762
9763 if (duration > NL80211_CRIT_PROTO_MAX_DURATION)
9764 return -ERANGE;
9765
9766 ret = rdev_crit_proto_start(rdev, wdev, proto, duration);
9767 if (!ret)
9768 rdev->crit_proto_nlportid = info->snd_portid;
9769
9770 return ret;
9771}
9772
9773static int nl80211_crit_protocol_stop(struct sk_buff *skb,
9774 struct genl_info *info)
9775{
9776 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9777 struct wireless_dev *wdev = info->user_ptr[1];
9778
9779 if (!rdev->ops->crit_proto_stop)
9780 return -EOPNOTSUPP;
9781
9782 if (rdev->crit_proto_nlportid) {
9783 rdev->crit_proto_nlportid = 0;
9784 rdev_crit_proto_stop(rdev, wdev);
9785 }
9786 return 0;
9787}
9788
ad7e718c
JB		 9789static int nl80211_vendor_cmd(struct sk_buff *skb, struct genl_info *info)
9790{
9791 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9792 struct wireless_dev *wdev =
9793 __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs);
9794 int i, err;
9795 u32 vid, subcmd;
9796
9797 if (!rdev->wiphy.vendor_commands)
9798 return -EOPNOTSUPP;
9799
9800 if (IS_ERR(wdev)) {
9801 err = PTR_ERR(wdev);
9802 if (err != -EINVAL)
9803 return err;
9804 wdev = NULL;
9805 } else if (wdev->wiphy != &rdev->wiphy) {
9806 return -EINVAL;
9807 }
9808
9809 if (!info->attrs[NL80211_ATTR_VENDOR_ID] ||
9810 !info->attrs[NL80211_ATTR_VENDOR_SUBCMD])
9811 return -EINVAL;
9812
9813 vid = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_ID]);
9814 subcmd = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_SUBCMD]);
9815 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
9816 const struct wiphy_vendor_command *vcmd;
9817 void *data = NULL;
9818 int len = 0;
9819
9820 vcmd = &rdev->wiphy.vendor_commands[i];
9821
9822 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
9823 continue;
9824
9825 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
9826 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
9827 if (!wdev)
9828 return -EINVAL;
9829 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
9830 !wdev->netdev)
9831 return -EINVAL;
9832
9833 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
9834 if (wdev->netdev &&
9835 !netif_running(wdev->netdev))
9836 return -ENETDOWN;
9837 if (!wdev->netdev && !wdev->p2p_started)
9838 return -ENETDOWN;
9839 }
9840 } else {
9841 wdev = NULL;
9842 }
9843
9844 if (info->attrs[NL80211_ATTR_VENDOR_DATA]) {
9845 data = nla_data(info->attrs[NL80211_ATTR_VENDOR_DATA]);
9846 len = nla_len(info->attrs[NL80211_ATTR_VENDOR_DATA]);
9847 }
9848
9849 rdev->cur_cmd_info = info;
9850 err = rdev->wiphy.vendor_commands[i].doit(&rdev->wiphy, wdev,
9851 data, len);
9852 rdev->cur_cmd_info = NULL;
9853 return err;
9854 }
9855
9856 return -EOPNOTSUPP;
9857}
9858
9859struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy,
9860 enum nl80211_commands cmd,
9861 enum nl80211_attrs attr,
9862 int approxlen)
9863{
f26cbf40 9864 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
ad7e718c
JB		 9865
9866 if (WARN_ON(!rdev->cur_cmd_info))
9867 return NULL;
9868
9869 return __cfg80211_alloc_vendor_skb(rdev, approxlen,
9870 rdev->cur_cmd_info->snd_portid,
9871 rdev->cur_cmd_info->snd_seq,
567ffc35 9872 cmd, attr, NULL, GFP_KERNEL);
ad7e718c
JB		 9873}
9874EXPORT_SYMBOL(__cfg80211_alloc_reply_skb);
9875
9876int cfg80211_vendor_cmd_reply(struct sk_buff *skb)
9877{
9878 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
9879 void *hdr = ((void **)skb->cb)[1];
9880 struct nlattr *data = ((void **)skb->cb)[2];
9881
bd8c78e7
JB		 9882 /* clear CB data for netlink core to own from now on */
9883 memset(skb->cb, 0, sizeof(skb->cb));
9884
ad7e718c
JB		 9885 if (WARN_ON(!rdev->cur_cmd_info)) {
9886 kfree_skb(skb);
9887 return -EINVAL;
9888 }
9889
9890 nla_nest_end(skb, data);
9891 genlmsg_end(skb, hdr);
9892 return genlmsg_reply(skb, rdev->cur_cmd_info);
9893}
9894EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply);
9895
9896
fa9ffc74
KP		 9897static int nl80211_set_qos_map(struct sk_buff *skb,
9898 struct genl_info *info)
9899{
9900 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9901 struct cfg80211_qos_map *qos_map = NULL;
9902 struct net_device *dev = info->user_ptr[1];
9903 u8 *pos, len, num_des, des_len, des;
9904 int ret;
9905
9906 if (!rdev->ops->set_qos_map)
9907 return -EOPNOTSUPP;
9908
9909 if (info->attrs[NL80211_ATTR_QOS_MAP]) {
9910 pos = nla_data(info->attrs[NL80211_ATTR_QOS_MAP]);
9911 len = nla_len(info->attrs[NL80211_ATTR_QOS_MAP]);
9912
9913 if (len % 2 || len < IEEE80211_QOS_MAP_LEN_MIN ||
9914 len > IEEE80211_QOS_MAP_LEN_MAX)
9915 return -EINVAL;
9916
9917 qos_map = kzalloc(sizeof(struct cfg80211_qos_map), GFP_KERNEL);
9918 if (!qos_map)
9919 return -ENOMEM;
9920
9921 num_des = (len - IEEE80211_QOS_MAP_LEN_MIN) >> 1;
9922 if (num_des) {
9923 des_len = num_des *
9924 sizeof(struct cfg80211_dscp_exception);
9925 memcpy(qos_map->dscp_exception, pos, des_len);
9926 qos_map->num_des = num_des;
9927 for (des = 0; des < num_des; des++) {
9928 if (qos_map->dscp_exception[des].up > 7) {
9929 kfree(qos_map);
9930 return -EINVAL;
9931 }
9932 }
9933 pos += des_len;
9934 }
9935 memcpy(qos_map->up, pos, IEEE80211_QOS_MAP_LEN_MIN);
9936 }
9937
9938 wdev_lock(dev->ieee80211_ptr);
9939 ret = nl80211_key_allowed(dev->ieee80211_ptr);
9940 if (!ret)
9941 ret = rdev_set_qos_map(rdev, dev, qos_map);
9942 wdev_unlock(dev->ieee80211_ptr);
9943
9944 kfree(qos_map);
9945 return ret;
9946}
9947
960d01ac
JB		 9948static int nl80211_add_tx_ts(struct sk_buff *skb, struct genl_info *info)
9949{
9950 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9951 struct net_device *dev = info->user_ptr[1];
9952 struct wireless_dev *wdev = dev->ieee80211_ptr;
9953 const u8 *peer;
9954 u8 tsid, up;
9955 u16 admitted_time = 0;
9956 int err;
9957
723e73ac 9958 if (!(rdev->wiphy.features & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION))
960d01ac
JB		 9959 return -EOPNOTSUPP;
9960
9961 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC] ||
9962 !info->attrs[NL80211_ATTR_USER_PRIO])
9963 return -EINVAL;
9964
9965 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
9966 if (tsid >= IEEE80211_NUM_TIDS)
9967 return -EINVAL;
9968
9969 up = nla_get_u8(info->attrs[NL80211_ATTR_USER_PRIO]);
9970 if (up >= IEEE80211_NUM_UPS)
9971 return -EINVAL;
9972
9973 /* WMM uses TIDs 0-7 even for TSPEC */
723e73ac 9974 if (tsid >= IEEE80211_FIRST_TSPEC_TSID) {
960d01ac 9975 /* TODO: handle 802.11 TSPEC/admission control
723e73ac
JB		 9976 * need more attributes for that (e.g. BA session requirement);
9977 * change the WMM adminssion test above to allow both then
960d01ac
JB		 9978 */
9979 return -EINVAL;
9980 }
9981
9982 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
9983
9984 if (info->attrs[NL80211_ATTR_ADMITTED_TIME]) {
9985 admitted_time =
9986 nla_get_u16(info->attrs[NL80211_ATTR_ADMITTED_TIME]);
9987 if (!admitted_time)
9988 return -EINVAL;
9989 }
9990
9991 wdev_lock(wdev);
9992 switch (wdev->iftype) {
9993 case NL80211_IFTYPE_STATION:
9994 case NL80211_IFTYPE_P2P_CLIENT:
9995 if (wdev->current_bss)
9996 break;
9997 err = -ENOTCONN;
9998 goto out;
9999 default:
10000 err = -EOPNOTSUPP;
10001 goto out;
10002 }
10003
10004 err = rdev_add_tx_ts(rdev, dev, tsid, peer, up, admitted_time);
10005
10006 out:
10007 wdev_unlock(wdev);
10008 return err;
10009}
10010
10011static int nl80211_del_tx_ts(struct sk_buff *skb, struct genl_info *info)
10012{
10013 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10014 struct net_device *dev = info->user_ptr[1];
10015 struct wireless_dev *wdev = dev->ieee80211_ptr;
10016 const u8 *peer;
10017 u8 tsid;
10018 int err;
10019
10020 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC])
10021 return -EINVAL;
10022
10023 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
10024 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
10025
10026 wdev_lock(wdev);
10027 err = rdev_del_tx_ts(rdev, dev, tsid, peer);
10028 wdev_unlock(wdev);
10029
10030 return err;
10031}
10032
1057d35e
AN		 10033static int nl80211_tdls_channel_switch(struct sk_buff *skb,
10034 struct genl_info *info)
10035{
10036 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10037 struct net_device *dev = info->user_ptr[1];
10038 struct wireless_dev *wdev = dev->ieee80211_ptr;
10039 struct cfg80211_chan_def chandef = {};
10040 const u8 *addr;
10041 u8 oper_class;
10042 int err;
10043
10044 if (!rdev->ops->tdls_channel_switch ||
10045 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
10046 return -EOPNOTSUPP;
10047
10048 switch (dev->ieee80211_ptr->iftype) {
10049 case NL80211_IFTYPE_STATION:
10050 case NL80211_IFTYPE_P2P_CLIENT:
10051 break;
10052 default:
10053 return -EOPNOTSUPP;
10054 }
10055
10056 if (!info->attrs[NL80211_ATTR_MAC] ||
10057 !info->attrs[NL80211_ATTR_OPER_CLASS])
10058 return -EINVAL;
10059
10060 err = nl80211_parse_chandef(rdev, info, &chandef);
10061 if (err)
10062 return err;
10063
10064 /*
10065 * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012
10066 * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the
10067 * specification is not defined for them.
10068 */
10069 if (chandef.chan->band == IEEE80211_BAND_2GHZ &&
10070 chandef.width != NL80211_CHAN_WIDTH_20_NOHT &&
10071 chandef.width != NL80211_CHAN_WIDTH_20)
10072 return -EINVAL;
10073
10074 /* we will be active on the TDLS link */
10075 if (!cfg80211_reg_can_beacon(&rdev->wiphy, &chandef, wdev->iftype))
10076 return -EINVAL;
10077
10078 /* don't allow switching to DFS channels */
10079 if (cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, wdev->iftype))
10080 return -EINVAL;
10081
10082 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
10083 oper_class = nla_get_u8(info->attrs[NL80211_ATTR_OPER_CLASS]);
10084
10085 wdev_lock(wdev);
10086 err = rdev_tdls_channel_switch(rdev, dev, addr, oper_class, &chandef);
10087 wdev_unlock(wdev);
10088
10089 return err;
10090}
10091
10092static int nl80211_tdls_cancel_channel_switch(struct sk_buff *skb,
10093 struct genl_info *info)
10094{
10095 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10096 struct net_device *dev = info->user_ptr[1];
10097 struct wireless_dev *wdev = dev->ieee80211_ptr;
10098 const u8 *addr;
10099
10100 if (!rdev->ops->tdls_channel_switch ||
10101 !rdev->ops->tdls_cancel_channel_switch ||
10102 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
10103 return -EOPNOTSUPP;
10104
10105 switch (dev->ieee80211_ptr->iftype) {
10106 case NL80211_IFTYPE_STATION:
10107 case NL80211_IFTYPE_P2P_CLIENT:
10108 break;
10109 default:
10110 return -EOPNOTSUPP;
10111 }
10112
10113 if (!info->attrs[NL80211_ATTR_MAC])
10114 return -EINVAL;
10115
10116 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
10117
10118 wdev_lock(wdev);
10119 rdev_tdls_cancel_channel_switch(rdev, dev, addr);
10120 wdev_unlock(wdev);
10121
10122 return 0;
10123}
10124
4c476991
JB		 10125#define NL80211_FLAG_NEED_WIPHY 0x01
10126#define NL80211_FLAG_NEED_NETDEV 0x02
10127#define NL80211_FLAG_NEED_RTNL 0x04
41265714
JB		 10128#define NL80211_FLAG_CHECK_NETDEV_UP 0x08
10129#define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
10130 NL80211_FLAG_CHECK_NETDEV_UP)
1bf614ef 10131#define NL80211_FLAG_NEED_WDEV 0x10
98104fde 10132/* If a netdev is associated, it must be UP, P2P must be started */
1bf614ef
JB		 10133#define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
10134 NL80211_FLAG_CHECK_NETDEV_UP)
5393b917 10135#define NL80211_FLAG_CLEAR_SKB 0x20
4c476991 10136
f84f771d 10137static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb,
4c476991
JB		 10138 struct genl_info *info)
10139{
10140 struct cfg80211_registered_device *rdev;
89a54e48 10141 struct wireless_dev *wdev;
4c476991 10142 struct net_device *dev;
4c476991
JB		 10143 bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL;
10144
10145 if (rtnl)
10146 rtnl_lock();
10147
10148 if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) {
4f7eff10 10149 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
4c476991
JB		 10150 if (IS_ERR(rdev)) {
10151 if (rtnl)
10152 rtnl_unlock();
10153 return PTR_ERR(rdev);
10154 }
10155 info->user_ptr[0] = rdev;
1bf614ef
JB		 10156 } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV ||
10157 ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
5fe231e8
JB		 10158 ASSERT_RTNL();
10159
89a54e48
JB		 10160 wdev = __cfg80211_wdev_from_attrs(genl_info_net(info),
10161 info->attrs);
10162 if (IS_ERR(wdev)) {
4c476991
JB		 10163 if (rtnl)
10164 rtnl_unlock();
89a54e48 10165 return PTR_ERR(wdev);
4c476991 10166 }
89a54e48 10167
89a54e48 10168 dev = wdev->netdev;
f26cbf40 10169 rdev = wiphy_to_rdev(wdev->wiphy);
89a54e48 10170
1bf614ef
JB		 10171 if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) {
10172 if (!dev) {
1bf614ef
JB		 10173 if (rtnl)
10174 rtnl_unlock();
10175 return -EINVAL;
10176 }
10177
10178 info->user_ptr[1] = dev;
10179 } else {
10180 info->user_ptr[1] = wdev;
41265714 10181 }
1bf614ef
JB		 10182
10183 if (dev) {
10184 if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP &&
10185 !netif_running(dev)) {
1bf614ef
JB		 10186 if (rtnl)
10187 rtnl_unlock();
10188 return -ENETDOWN;
10189 }
10190
10191 dev_hold(dev);
98104fde
JB		 10192 } else if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP) {
10193 if (!wdev->p2p_started) {
98104fde
JB		 10194 if (rtnl)
10195 rtnl_unlock();
10196 return -ENETDOWN;
10197 }
41265714 10198 }
89a54e48 10199
4c476991 10200 info->user_ptr[0] = rdev;
4c476991
JB		 10201 }
10202
10203 return 0;
10204}
10205
f84f771d 10206static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb,
4c476991
JB		 10207 struct genl_info *info)
10208{
1bf614ef
JB		 10209 if (info->user_ptr[1]) {
10210 if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
10211 struct wireless_dev *wdev = info->user_ptr[1];
10212
10213 if (wdev->netdev)
10214 dev_put(wdev->netdev);
10215 } else {
10216 dev_put(info->user_ptr[1]);
10217 }
10218 }
5393b917 10219
4c476991
JB		 10220 if (ops->internal_flags & NL80211_FLAG_NEED_RTNL)
10221 rtnl_unlock();
5393b917
JB		 10222
10223 /* If needed, clear the netlink message payload from the SKB
10224 * as it might contain key data that shouldn't stick around on
10225 * the heap after the SKB is freed. The netlink message header
10226 * is still needed for further processing, so leave it intact.
10227 */
10228 if (ops->internal_flags & NL80211_FLAG_CLEAR_SKB) {
10229 struct nlmsghdr *nlh = nlmsg_hdr(skb);
10230
10231 memset(nlmsg_data(nlh), 0, nlmsg_len(nlh));
10232 }
4c476991
JB		 10233}
10234
4534de83 10235static const struct genl_ops nl80211_ops[] = {
55682965
JB		 10236 {
10237 .cmd = NL80211_CMD_GET_WIPHY,
10238 .doit = nl80211_get_wiphy,
10239 .dumpit = nl80211_dump_wiphy,
86e8cf98 10240 .done = nl80211_dump_wiphy_done,
55682965
JB		 10241 .policy = nl80211_policy,
10242 /* can be retrieved by unprivileged users */
5fe231e8
JB		 10243 .internal_flags = NL80211_FLAG_NEED_WIPHY |
10244 NL80211_FLAG_NEED_RTNL,
55682965
JB		 10245 },
10246 {
10247 .cmd = NL80211_CMD_SET_WIPHY,
10248 .doit = nl80211_set_wiphy,
10249 .policy = nl80211_policy,
10250 .flags = GENL_ADMIN_PERM,
4c476991 10251 .internal_flags = NL80211_FLAG_NEED_RTNL,
55682965
JB		 10252 },
10253 {
10254 .cmd = NL80211_CMD_GET_INTERFACE,
10255 .doit = nl80211_get_interface,
10256 .dumpit = nl80211_dump_interface,
10257 .policy = nl80211_policy,
10258 /* can be retrieved by unprivileged users */
5fe231e8
JB		 10259 .internal_flags = NL80211_FLAG_NEED_WDEV |
10260 NL80211_FLAG_NEED_RTNL,
55682965
JB		 10261 },
10262 {
10263 .cmd = NL80211_CMD_SET_INTERFACE,
10264 .doit = nl80211_set_interface,
10265 .policy = nl80211_policy,
10266 .flags = GENL_ADMIN_PERM,
4c476991
JB		 10267 .internal_flags = NL80211_FLAG_NEED_NETDEV |
10268 NL80211_FLAG_NEED_RTNL,
55682965
JB		 10269 },
10270 {
10271 .cmd = NL80211_CMD_NEW_INTERFACE,
10272 .doit = nl80211_new_interface,
10273 .policy = nl80211_policy,
10274 .flags = GENL_ADMIN_PERM,
4c476991
JB		 10275 .internal_flags = NL80211_FLAG_NEED_WIPHY |
10276 NL80211_FLAG_NEED_RTNL,
55682965
JB		 10277 },
10278 {
10279 .cmd = NL80211_CMD_DEL_INTERFACE,
10280 .doit = nl80211_del_interface,
10281 .policy = nl80211_policy,
41ade00f 10282 .flags = GENL_ADMIN_PERM,
84efbb84 10283 .internal_flags = NL80211_FLAG_NEED_WDEV |
4c476991 10284 NL80211_FLAG_NEED_RTNL,
41ade00f
JB		 10285 },
10286 {
10287 .cmd = NL80211_CMD_GET_KEY,
10288 .doit = nl80211_get_key,
10289 .policy = nl80211_policy,
10290 .flags = GENL_ADMIN_PERM,
2b5f8b0b 10291 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 10292 NL80211_FLAG_NEED_RTNL,
41ade00f
JB		 10293 },
10294 {
10295 .cmd = NL80211_CMD_SET_KEY,
10296 .doit = nl80211_set_key,
10297 .policy = nl80211_policy,
10298 .flags = GENL_ADMIN_PERM,
41265714 10299 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
5393b917
JB		 10300 NL80211_FLAG_NEED_RTNL |
10301 NL80211_FLAG_CLEAR_SKB,
41ade00f
JB		 10302 },
10303 {
10304 .cmd = NL80211_CMD_NEW_KEY,
10305 .doit = nl80211_new_key,
10306 .policy = nl80211_policy,
10307 .flags = GENL_ADMIN_PERM,
41265714 10308 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
5393b917
JB		 10309 NL80211_FLAG_NEED_RTNL |
10310 NL80211_FLAG_CLEAR_SKB,
41ade00f
JB		 10311 },
10312 {
10313 .cmd = NL80211_CMD_DEL_KEY,
10314 .doit = nl80211_del_key,
10315 .policy = nl80211_policy,
55682965 10316 .flags = GENL_ADMIN_PERM,
41265714 10317 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 10318 NL80211_FLAG_NEED_RTNL,
55682965 10319 },
ed1b6cc7
JB		 10320 {
10321 .cmd = NL80211_CMD_SET_BEACON,
10322 .policy = nl80211_policy,
10323 .flags = GENL_ADMIN_PERM,
8860020e 10324 .doit = nl80211_set_beacon,
2b5f8b0b 10325 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 10326 NL80211_FLAG_NEED_RTNL,
ed1b6cc7
JB		 10327 },
10328 {
8860020e 10329 .cmd = NL80211_CMD_START_AP,
ed1b6cc7
JB		 10330 .policy = nl80211_policy,
10331 .flags = GENL_ADMIN_PERM,
8860020e 10332 .doit = nl80211_start_ap,
2b5f8b0b 10333 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 10334 NL80211_FLAG_NEED_RTNL,
ed1b6cc7
JB		 10335 },
10336 {
8860020e 10337 .cmd = NL80211_CMD_STOP_AP,
ed1b6cc7
JB		 10338 .policy = nl80211_policy,
10339 .flags = GENL_ADMIN_PERM,
8860020e 10340 .doit = nl80211_stop_ap,
2b5f8b0b 10341 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 10342 NL80211_FLAG_NEED_RTNL,
ed1b6cc7 10343 },
5727ef1b
JB		 10344 {
10345 .cmd = NL80211_CMD_GET_STATION,
10346 .doit = nl80211_get_station,
2ec600d6 10347 .dumpit = nl80211_dump_station,
5727ef1b 10348 .policy = nl80211_policy,
4c476991
JB		 10349 .internal_flags = NL80211_FLAG_NEED_NETDEV |
10350 NL80211_FLAG_NEED_RTNL,
5727ef1b
JB		 10351 },
10352 {
10353 .cmd = NL80211_CMD_SET_STATION,
10354 .doit = nl80211_set_station,
10355 .policy = nl80211_policy,
10356 .flags = GENL_ADMIN_PERM,
2b5f8b0b 10357 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 10358 NL80211_FLAG_NEED_RTNL,
5727ef1b
JB		 10359 },
10360 {
10361 .cmd = NL80211_CMD_NEW_STATION,
10362 .doit = nl80211_new_station,
10363 .policy = nl80211_policy,
10364 .flags = GENL_ADMIN_PERM,
41265714 10365 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 10366 NL80211_FLAG_NEED_RTNL,
5727ef1b
JB		 10367 },
10368 {
10369 .cmd = NL80211_CMD_DEL_STATION,
10370 .doit = nl80211_del_station,
10371 .policy = nl80211_policy,
2ec600d6 10372 .flags = GENL_ADMIN_PERM,
2b5f8b0b 10373 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 10374 NL80211_FLAG_NEED_RTNL,
2ec600d6
LCC		 10375 },
10376 {
10377 .cmd = NL80211_CMD_GET_MPATH,
10378 .doit = nl80211_get_mpath,
10379 .dumpit = nl80211_dump_mpath,
10380 .policy = nl80211_policy,
10381 .flags = GENL_ADMIN_PERM,
41265714 10382 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 10383 NL80211_FLAG_NEED_RTNL,
2ec600d6 10384 },
66be7d2b
HR		 10385 {
10386 .cmd = NL80211_CMD_GET_MPP,
10387 .doit = nl80211_get_mpp,
10388 .dumpit = nl80211_dump_mpp,
10389 .policy = nl80211_policy,
10390 .flags = GENL_ADMIN_PERM,
10391 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
10392 NL80211_FLAG_NEED_RTNL,
10393 },
2ec600d6
LCC		 10394 {
10395 .cmd = NL80211_CMD_SET_MPATH,
10396 .doit = nl80211_set_mpath,
10397 .policy = nl80211_policy,
10398 .flags = GENL_ADMIN_PERM,
41265714 10399 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 10400 NL80211_FLAG_NEED_RTNL,
2ec600d6
LCC		 10401 },
10402 {
10403 .cmd = NL80211_CMD_NEW_MPATH,
10404 .doit = nl80211_new_mpath,
10405 .policy = nl80211_policy,
10406 .flags = GENL_ADMIN_PERM,
41265714 10407 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 10408 NL80211_FLAG_NEED_RTNL,
2ec600d6
LCC		 10409 },
10410 {
10411 .cmd = NL80211_CMD_DEL_MPATH,
10412 .doit = nl80211_del_mpath,
10413 .policy = nl80211_policy,
9f1ba906 10414 .flags = GENL_ADMIN_PERM,
2b5f8b0b 10415 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 10416 NL80211_FLAG_NEED_RTNL,
9f1ba906
JM		 10417 },
10418 {
10419 .cmd = NL80211_CMD_SET_BSS,
10420 .doit = nl80211_set_bss,
10421 .policy = nl80211_policy,
b2e1b302 10422 .flags = GENL_ADMIN_PERM,
2b5f8b0b 10423 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 10424 NL80211_FLAG_NEED_RTNL,
b2e1b302 10425 },
f130347c
LR		 10426 {
10427 .cmd = NL80211_CMD_GET_REG,
ad30ca2c
AN		 10428 .doit = nl80211_get_reg_do,
10429 .dumpit = nl80211_get_reg_dump,
f130347c 10430 .policy = nl80211_policy,
5fe231e8 10431 .internal_flags = NL80211_FLAG_NEED_RTNL,
f130347c
LR		 10432 /* can be retrieved by unprivileged users */
10433 },
b2e1b302
LR		 10434 {
10435 .cmd = NL80211_CMD_SET_REG,
10436 .doit = nl80211_set_reg,
10437 .policy = nl80211_policy,
10438 .flags = GENL_ADMIN_PERM,
5fe231e8 10439 .internal_flags = NL80211_FLAG_NEED_RTNL,
b2e1b302
LR		 10440 },
10441 {
10442 .cmd = NL80211_CMD_REQ_SET_REG,
10443 .doit = nl80211_req_set_reg,
10444 .policy = nl80211_policy,
93da9cc1 10445 .flags = GENL_ADMIN_PERM,
10446 },
10447 {
24bdd9f4
JC		 10448 .cmd = NL80211_CMD_GET_MESH_CONFIG,
10449 .doit = nl80211_get_mesh_config,
93da9cc1 10450 .policy = nl80211_policy,
10451 /* can be retrieved by unprivileged users */
2b5f8b0b 10452 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 10453 NL80211_FLAG_NEED_RTNL,
93da9cc1 10454 },
10455 {
24bdd9f4
JC		 10456 .cmd = NL80211_CMD_SET_MESH_CONFIG,
10457 .doit = nl80211_update_mesh_config,
93da9cc1 10458 .policy = nl80211_policy,
9aed3cc1 10459 .flags = GENL_ADMIN_PERM,
29cbe68c 10460 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 10461 NL80211_FLAG_NEED_RTNL,
9aed3cc1 10462 },
2a519311
JB		 10463 {
10464 .cmd = NL80211_CMD_TRIGGER_SCAN,
10465 .doit = nl80211_trigger_scan,
10466 .policy = nl80211_policy,
10467 .flags = GENL_ADMIN_PERM,
fd014284 10468 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
4c476991 10469 NL80211_FLAG_NEED_RTNL,
2a519311
JB		 10470 },
10471 {
10472 .cmd = NL80211_CMD_GET_SCAN,
10473 .policy = nl80211_policy,
10474 .dumpit = nl80211_dump_scan,
10475 },
807f8a8c
LC		 10476 {
10477 .cmd = NL80211_CMD_START_SCHED_SCAN,
10478 .doit = nl80211_start_sched_scan,
10479 .policy = nl80211_policy,
10480 .flags = GENL_ADMIN_PERM,
10481 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
10482 NL80211_FLAG_NEED_RTNL,
10483 },
10484 {
10485 .cmd = NL80211_CMD_STOP_SCHED_SCAN,
10486 .doit = nl80211_stop_sched_scan,
10487 .policy = nl80211_policy,
10488 .flags = GENL_ADMIN_PERM,
10489 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
10490 NL80211_FLAG_NEED_RTNL,
10491 },
636a5d36
JM		 10492 {
10493 .cmd = NL80211_CMD_AUTHENTICATE,
10494 .doit = nl80211_authenticate,
10495 .policy = nl80211_policy,
10496 .flags = GENL_ADMIN_PERM,
41265714 10497 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
5393b917
JB		 10498 NL80211_FLAG_NEED_RTNL |
10499 NL80211_FLAG_CLEAR_SKB,
636a5d36
JM		 10500 },
10501 {
10502 .cmd = NL80211_CMD_ASSOCIATE,
10503 .doit = nl80211_associate,
10504 .policy = nl80211_policy,
10505 .flags = GENL_ADMIN_PERM,
41265714 10506 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 10507 NL80211_FLAG_NEED_RTNL,
636a5d36
JM		 10508 },
10509 {
10510 .cmd = NL80211_CMD_DEAUTHENTICATE,
10511 .doit = nl80211_deauthenticate,
10512 .policy = nl80211_policy,
10513 .flags = GENL_ADMIN_PERM,
41265714 10514 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 10515 NL80211_FLAG_NEED_RTNL,
636a5d36
JM		 10516 },
10517 {
10518 .cmd = NL80211_CMD_DISASSOCIATE,
10519 .doit = nl80211_disassociate,
10520 .policy = nl80211_policy,
10521 .flags = GENL_ADMIN_PERM,
41265714 10522 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 10523 NL80211_FLAG_NEED_RTNL,
636a5d36 10524 },
04a773ad
JB		 10525 {
10526 .cmd = NL80211_CMD_JOIN_IBSS,
10527 .doit = nl80211_join_ibss,
10528 .policy = nl80211_policy,
10529 .flags = GENL_ADMIN_PERM,
41265714 10530 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 10531 NL80211_FLAG_NEED_RTNL,
04a773ad
JB		 10532 },
10533 {
10534 .cmd = NL80211_CMD_LEAVE_IBSS,
10535 .doit = nl80211_leave_ibss,
10536 .policy = nl80211_policy,
10537 .flags = GENL_ADMIN_PERM,
41265714 10538 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 10539 NL80211_FLAG_NEED_RTNL,
04a773ad 10540 },
aff89a9b
JB		 10541#ifdef CONFIG_NL80211_TESTMODE
10542 {
10543 .cmd = NL80211_CMD_TESTMODE,
10544 .doit = nl80211_testmode_do,
71063f0e 10545 .dumpit = nl80211_testmode_dump,
aff89a9b
JB		 10546 .policy = nl80211_policy,
10547 .flags = GENL_ADMIN_PERM,
4c476991
JB		 10548 .internal_flags = NL80211_FLAG_NEED_WIPHY |
10549 NL80211_FLAG_NEED_RTNL,
aff89a9b
JB		 10550 },
10551#endif
b23aa676
SO		 10552 {
10553 .cmd = NL80211_CMD_CONNECT,
10554 .doit = nl80211_connect,
10555 .policy = nl80211_policy,
10556 .flags = GENL_ADMIN_PERM,
41265714 10557 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 10558 NL80211_FLAG_NEED_RTNL,
b23aa676
SO		 10559 },
10560 {
10561 .cmd = NL80211_CMD_DISCONNECT,
10562 .doit = nl80211_disconnect,
10563 .policy = nl80211_policy,
10564 .flags = GENL_ADMIN_PERM,
41265714 10565 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 10566 NL80211_FLAG_NEED_RTNL,
b23aa676 10567 },
463d0183
JB		 10568 {
10569 .cmd = NL80211_CMD_SET_WIPHY_NETNS,
10570 .doit = nl80211_wiphy_netns,
10571 .policy = nl80211_policy,
10572 .flags = GENL_ADMIN_PERM,
4c476991
JB		 10573 .internal_flags = NL80211_FLAG_NEED_WIPHY |
10574 NL80211_FLAG_NEED_RTNL,
463d0183 10575 },
61fa713c
HS		 10576 {
10577 .cmd = NL80211_CMD_GET_SURVEY,
10578 .policy = nl80211_policy,
10579 .dumpit = nl80211_dump_survey,
10580 },
67fbb16b
SO		 10581 {
10582 .cmd = NL80211_CMD_SET_PMKSA,
10583 .doit = nl80211_setdel_pmksa,
10584 .policy = nl80211_policy,
10585 .flags = GENL_ADMIN_PERM,
2b5f8b0b 10586 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 10587 NL80211_FLAG_NEED_RTNL,
67fbb16b
SO		 10588 },
10589 {
10590 .cmd = NL80211_CMD_DEL_PMKSA,
10591 .doit = nl80211_setdel_pmksa,
10592 .policy = nl80211_policy,
10593 .flags = GENL_ADMIN_PERM,
2b5f8b0b 10594 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 10595 NL80211_FLAG_NEED_RTNL,
67fbb16b
SO		 10596 },
10597 {
10598 .cmd = NL80211_CMD_FLUSH_PMKSA,
10599 .doit = nl80211_flush_pmksa,
10600 .policy = nl80211_policy,
10601 .flags = GENL_ADMIN_PERM,
2b5f8b0b 10602 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
4c476991 10603 NL80211_FLAG_NEED_RTNL,
67fbb16b 10604 },
9588bbd5
JM		 10605 {
10606 .cmd = NL80211_CMD_REMAIN_ON_CHANNEL,
10607 .doit = nl80211_remain_on_channel,
10608 .policy = nl80211_policy,
10609 .flags = GENL_ADMIN_PERM,
71bbc994 10610 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
4c476991 10611 NL80211_FLAG_NEED_RTNL,
9588bbd5
JM		 10612 },
10613 {
10614 .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
10615 .doit = nl80211_cancel_remain_on_channel,
10616 .policy = nl80211_policy,
10617 .flags = GENL_ADMIN_PERM,
71bbc994 10618 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
4c476991 10619 NL80211_FLAG_NEED_RTNL,
9588bbd5 10620 },
13ae75b1
JM		 10621 {
10622 .cmd = NL80211_CMD_SET_TX_BITRATE_MASK,
10623 .doit = nl80211_set_tx_bitrate_mask,
10624 .policy = nl80211_policy,
10625 .flags = GENL_ADMIN_PERM,
4c476991
JB		 10626 .internal_flags = NL80211_FLAG_NEED_NETDEV |
10627 NL80211_FLAG_NEED_RTNL,
13ae75b1 10628 },
026331c4 10629 {
2e161f78
JB		 10630 .cmd = NL80211_CMD_REGISTER_FRAME,
10631 .doit = nl80211_register_mgmt,
026331c4
JM		 10632 .policy = nl80211_policy,
10633 .flags = GENL_ADMIN_PERM,
71bbc994 10634 .internal_flags = NL80211_FLAG_NEED_WDEV |
4c476991 10635 NL80211_FLAG_NEED_RTNL,
026331c4
JM		 10636 },
10637 {
2e161f78
JB		 10638 .cmd = NL80211_CMD_FRAME,
10639 .doit = nl80211_tx_mgmt,
026331c4 10640 .policy = nl80211_policy,
f7ca38df 10641 .flags = GENL_ADMIN_PERM,
71bbc994 10642 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
f7ca38df
JB		 10643 NL80211_FLAG_NEED_RTNL,
10644 },
10645 {
10646 .cmd = NL80211_CMD_FRAME_WAIT_CANCEL,
10647 .doit = nl80211_tx_mgmt_cancel_wait,
10648 .policy = nl80211_policy,
026331c4 10649 .flags = GENL_ADMIN_PERM,
71bbc994 10650 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
4c476991 10651 NL80211_FLAG_NEED_RTNL,
026331c4 10652 },
ffb9eb3d
KV		 10653 {
10654 .cmd = NL80211_CMD_SET_POWER_SAVE,
10655 .doit = nl80211_set_power_save,
10656 .policy = nl80211_policy,
10657 .flags = GENL_ADMIN_PERM,
4c476991
JB		 10658 .internal_flags = NL80211_FLAG_NEED_NETDEV |
10659 NL80211_FLAG_NEED_RTNL,
ffb9eb3d
KV		 10660 },
10661 {
10662 .cmd = NL80211_CMD_GET_POWER_SAVE,
10663 .doit = nl80211_get_power_save,
10664 .policy = nl80211_policy,
10665 /* can be retrieved by unprivileged users */
4c476991
JB		 10666 .internal_flags = NL80211_FLAG_NEED_NETDEV |
10667 NL80211_FLAG_NEED_RTNL,
ffb9eb3d 10668 },
d6dc1a38
JO		 10669 {
10670 .cmd = NL80211_CMD_SET_CQM,
10671 .doit = nl80211_set_cqm,
10672 .policy = nl80211_policy,
10673 .flags = GENL_ADMIN_PERM,
4c476991
JB		 10674 .internal_flags = NL80211_FLAG_NEED_NETDEV |
10675 NL80211_FLAG_NEED_RTNL,
d6dc1a38 10676 },
f444de05
JB		 10677 {
10678 .cmd = NL80211_CMD_SET_CHANNEL,
10679 .doit = nl80211_set_channel,
10680 .policy = nl80211_policy,
10681 .flags = GENL_ADMIN_PERM,
4c476991
JB		 10682 .internal_flags = NL80211_FLAG_NEED_NETDEV |
10683 NL80211_FLAG_NEED_RTNL,
f444de05 10684 },
e8347eba
BJ		 10685 {
10686 .cmd = NL80211_CMD_SET_WDS_PEER,
10687 .doit = nl80211_set_wds_peer,
10688 .policy = nl80211_policy,
10689 .flags = GENL_ADMIN_PERM,
43b19952
JB		 10690 .internal_flags = NL80211_FLAG_NEED_NETDEV |
10691 NL80211_FLAG_NEED_RTNL,
e8347eba 10692 },
29cbe68c
JB		 10693 {
10694 .cmd = NL80211_CMD_JOIN_MESH,
10695 .doit = nl80211_join_mesh,
10696 .policy = nl80211_policy,
10697 .flags = GENL_ADMIN_PERM,
10698 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
10699 NL80211_FLAG_NEED_RTNL,
10700 },
10701 {
10702 .cmd = NL80211_CMD_LEAVE_MESH,
10703 .doit = nl80211_leave_mesh,
10704 .policy = nl80211_policy,
10705 .flags = GENL_ADMIN_PERM,
10706 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
10707 NL80211_FLAG_NEED_RTNL,
10708 },
6e0bd6c3
RL		 10709 {
10710 .cmd = NL80211_CMD_JOIN_OCB,
10711 .doit = nl80211_join_ocb,
10712 .policy = nl80211_policy,
10713 .flags = GENL_ADMIN_PERM,
10714 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
10715 NL80211_FLAG_NEED_RTNL,
10716 },
10717 {
10718 .cmd = NL80211_CMD_LEAVE_OCB,
10719 .doit = nl80211_leave_ocb,
10720 .policy = nl80211_policy,
10721 .flags = GENL_ADMIN_PERM,
10722 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
10723 NL80211_FLAG_NEED_RTNL,
10724 },
dfb89c56 10725#ifdef CONFIG_PM
ff1b6e69
JB		 10726 {
10727 .cmd = NL80211_CMD_GET_WOWLAN,
10728 .doit = nl80211_get_wowlan,
10729 .policy = nl80211_policy,
10730 /* can be retrieved by unprivileged users */
10731 .internal_flags = NL80211_FLAG_NEED_WIPHY |
10732 NL80211_FLAG_NEED_RTNL,
10733 },
10734 {
10735 .cmd = NL80211_CMD_SET_WOWLAN,
10736 .doit = nl80211_set_wowlan,
10737 .policy = nl80211_policy,
10738 .flags = GENL_ADMIN_PERM,
10739 .internal_flags = NL80211_FLAG_NEED_WIPHY |
10740 NL80211_FLAG_NEED_RTNL,
10741 },
dfb89c56 10742#endif
e5497d76
JB		 10743 {
10744 .cmd = NL80211_CMD_SET_REKEY_OFFLOAD,
10745 .doit = nl80211_set_rekey_data,
10746 .policy = nl80211_policy,
10747 .flags = GENL_ADMIN_PERM,
10748 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
5393b917
JB		 10749 NL80211_FLAG_NEED_RTNL |
10750 NL80211_FLAG_CLEAR_SKB,
e5497d76 10751 },
109086ce
AN		 10752 {
10753 .cmd = NL80211_CMD_TDLS_MGMT,
10754 .doit = nl80211_tdls_mgmt,
10755 .policy = nl80211_policy,
10756 .flags = GENL_ADMIN_PERM,
10757 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
10758 NL80211_FLAG_NEED_RTNL,
10759 },
10760 {
10761 .cmd = NL80211_CMD_TDLS_OPER,
10762 .doit = nl80211_tdls_oper,
10763 .policy = nl80211_policy,
10764 .flags = GENL_ADMIN_PERM,
10765 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
10766 NL80211_FLAG_NEED_RTNL,
10767 },
28946da7
JB		 10768 {
10769 .cmd = NL80211_CMD_UNEXPECTED_FRAME,
10770 .doit = nl80211_register_unexpected_frame,
10771 .policy = nl80211_policy,
10772 .flags = GENL_ADMIN_PERM,
10773 .internal_flags = NL80211_FLAG_NEED_NETDEV |
10774 NL80211_FLAG_NEED_RTNL,
10775 },
7f6cf311
JB		 10776 {
10777 .cmd = NL80211_CMD_PROBE_CLIENT,
10778 .doit = nl80211_probe_client,
10779 .policy = nl80211_policy,
10780 .flags = GENL_ADMIN_PERM,
2b5f8b0b 10781 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
7f6cf311
JB		 10782 NL80211_FLAG_NEED_RTNL,
10783 },
5e760230
JB		 10784 {
10785 .cmd = NL80211_CMD_REGISTER_BEACONS,
10786 .doit = nl80211_register_beacons,
10787 .policy = nl80211_policy,
10788 .flags = GENL_ADMIN_PERM,
10789 .internal_flags = NL80211_FLAG_NEED_WIPHY |
10790 NL80211_FLAG_NEED_RTNL,
10791 },
1d9d9213
SW		 10792 {
10793 .cmd = NL80211_CMD_SET_NOACK_MAP,
10794 .doit = nl80211_set_noack_map,
10795 .policy = nl80211_policy,
10796 .flags = GENL_ADMIN_PERM,
10797 .internal_flags = NL80211_FLAG_NEED_NETDEV |
10798 NL80211_FLAG_NEED_RTNL,
10799 },
98104fde
JB		 10800 {
10801 .cmd = NL80211_CMD_START_P2P_DEVICE,
10802 .doit = nl80211_start_p2p_device,
10803 .policy = nl80211_policy,
10804 .flags = GENL_ADMIN_PERM,
10805 .internal_flags = NL80211_FLAG_NEED_WDEV |
10806 NL80211_FLAG_NEED_RTNL,
10807 },
10808 {
10809 .cmd = NL80211_CMD_STOP_P2P_DEVICE,
10810 .doit = nl80211_stop_p2p_device,
10811 .policy = nl80211_policy,
10812 .flags = GENL_ADMIN_PERM,
10813 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
10814 NL80211_FLAG_NEED_RTNL,
10815 },
f4e583c8
AQ		 10816 {
10817 .cmd = NL80211_CMD_SET_MCAST_RATE,
10818 .doit = nl80211_set_mcast_rate,
77765eaf
VT		 10819 .policy = nl80211_policy,
10820 .flags = GENL_ADMIN_PERM,
10821 .internal_flags = NL80211_FLAG_NEED_NETDEV |
10822 NL80211_FLAG_NEED_RTNL,
10823 },
10824 {
10825 .cmd = NL80211_CMD_SET_MAC_ACL,
10826 .doit = nl80211_set_mac_acl,
f4e583c8
AQ		 10827 .policy = nl80211_policy,
10828 .flags = GENL_ADMIN_PERM,
10829 .internal_flags = NL80211_FLAG_NEED_NETDEV |
10830 NL80211_FLAG_NEED_RTNL,
10831 },
04f39047
SW		 10832 {
10833 .cmd = NL80211_CMD_RADAR_DETECT,
10834 .doit = nl80211_start_radar_detection,
10835 .policy = nl80211_policy,
10836 .flags = GENL_ADMIN_PERM,
10837 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
10838 NL80211_FLAG_NEED_RTNL,
10839 },
3713b4e3
JB		 10840 {
10841 .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES,
10842 .doit = nl80211_get_protocol_features,
10843 .policy = nl80211_policy,
10844 },
355199e0
JM		 10845 {
10846 .cmd = NL80211_CMD_UPDATE_FT_IES,
10847 .doit = nl80211_update_ft_ies,
10848 .policy = nl80211_policy,
10849 .flags = GENL_ADMIN_PERM,
10850 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
10851 NL80211_FLAG_NEED_RTNL,
10852 },
5de17984
AS		 10853 {
10854 .cmd = NL80211_CMD_CRIT_PROTOCOL_START,
10855 .doit = nl80211_crit_protocol_start,
10856 .policy = nl80211_policy,
10857 .flags = GENL_ADMIN_PERM,
10858 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
10859 NL80211_FLAG_NEED_RTNL,
10860 },
10861 {
10862 .cmd = NL80211_CMD_CRIT_PROTOCOL_STOP,
10863 .doit = nl80211_crit_protocol_stop,
10864 .policy = nl80211_policy,
10865 .flags = GENL_ADMIN_PERM,
10866 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
10867 NL80211_FLAG_NEED_RTNL,
be29b99a
AK		 10868 },
10869 {
10870 .cmd = NL80211_CMD_GET_COALESCE,
10871 .doit = nl80211_get_coalesce,
10872 .policy = nl80211_policy,
10873 .internal_flags = NL80211_FLAG_NEED_WIPHY |
10874 NL80211_FLAG_NEED_RTNL,
10875 },
10876 {
10877 .cmd = NL80211_CMD_SET_COALESCE,
10878 .doit = nl80211_set_coalesce,
10879 .policy = nl80211_policy,
10880 .flags = GENL_ADMIN_PERM,
10881 .internal_flags = NL80211_FLAG_NEED_WIPHY |
10882 NL80211_FLAG_NEED_RTNL,
16ef1fe2
SW		 10883 },
10884 {
10885 .cmd = NL80211_CMD_CHANNEL_SWITCH,
10886 .doit = nl80211_channel_switch,
10887 .policy = nl80211_policy,
10888 .flags = GENL_ADMIN_PERM,
10889 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
10890 NL80211_FLAG_NEED_RTNL,
10891 },
ad7e718c
JB		 10892 {
10893 .cmd = NL80211_CMD_VENDOR,
10894 .doit = nl80211_vendor_cmd,
10895 .policy = nl80211_policy,
10896 .flags = GENL_ADMIN_PERM,
10897 .internal_flags = NL80211_FLAG_NEED_WIPHY |
10898 NL80211_FLAG_NEED_RTNL,
10899 },
fa9ffc74
KP		 10900 {
10901 .cmd = NL80211_CMD_SET_QOS_MAP,
10902 .doit = nl80211_set_qos_map,
10903 .policy = nl80211_policy,
10904 .flags = GENL_ADMIN_PERM,
10905 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
10906 NL80211_FLAG_NEED_RTNL,
10907 },
960d01ac
JB		 10908 {
10909 .cmd = NL80211_CMD_ADD_TX_TS,
10910 .doit = nl80211_add_tx_ts,
10911 .policy = nl80211_policy,
10912 .flags = GENL_ADMIN_PERM,
10913 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
10914 NL80211_FLAG_NEED_RTNL,
10915 },
10916 {
10917 .cmd = NL80211_CMD_DEL_TX_TS,
10918 .doit = nl80211_del_tx_ts,
10919 .policy = nl80211_policy,
10920 .flags = GENL_ADMIN_PERM,
10921 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
10922 NL80211_FLAG_NEED_RTNL,
10923 },
1057d35e
AN		 10924 {
10925 .cmd = NL80211_CMD_TDLS_CHANNEL_SWITCH,
10926 .doit = nl80211_tdls_channel_switch,
10927 .policy = nl80211_policy,
10928 .flags = GENL_ADMIN_PERM,
10929 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
10930 NL80211_FLAG_NEED_RTNL,
10931 },
10932 {
10933 .cmd = NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH,
10934 .doit = nl80211_tdls_cancel_channel_switch,
10935 .policy = nl80211_policy,
10936 .flags = GENL_ADMIN_PERM,
10937 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
10938 NL80211_FLAG_NEED_RTNL,
10939 },
55682965 10940};
9588bbd5 10941
55682965
JB		 10942/* notification functions */
10943
3bb20556
JB		 10944void nl80211_notify_wiphy(struct cfg80211_registered_device *rdev,
10945 enum nl80211_commands cmd)
55682965
JB		 10946{
10947 struct sk_buff *msg;
86e8cf98 10948 struct nl80211_dump_wiphy_state state = {};
55682965 10949
3bb20556
JB		 10950 WARN_ON(cmd != NL80211_CMD_NEW_WIPHY &&
10951 cmd != NL80211_CMD_DEL_WIPHY);
10952
fd2120ca 10953 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
55682965
JB		 10954 if (!msg)
10955 return;
10956
3bb20556 10957 if (nl80211_send_wiphy(rdev, cmd, msg, 0, 0, 0, &state) < 0) {
55682965
JB		 10958 nlmsg_free(msg);
10959 return;
10960 }
10961
68eb5503 10962 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 10963 NL80211_MCGRP_CONFIG, GFP_KERNEL);
55682965
JB		 10964}
10965
362a415d
JB		 10966static int nl80211_add_scan_req(struct sk_buff *msg,
10967 struct cfg80211_registered_device *rdev)
10968{
10969 struct cfg80211_scan_request *req = rdev->scan_req;
10970 struct nlattr *nest;
10971 int i;
10972
10973 if (WARN_ON(!req))
10974 return 0;
10975
10976 nest = nla_nest_start(msg, NL80211_ATTR_SCAN_SSIDS);
10977 if (!nest)
10978 goto nla_put_failure;
9360ffd1
DM		 10979 for (i = 0; i < req->n_ssids; i++) {
10980 if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid))
10981 goto nla_put_failure;
10982 }
362a415d
JB		 10983 nla_nest_end(msg, nest);
10984
10985 nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES);
10986 if (!nest)
10987 goto nla_put_failure;
9360ffd1
DM		 10988 for (i = 0; i < req->n_channels; i++) {
10989 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
10990 goto nla_put_failure;
10991 }
362a415d
JB		 10992 nla_nest_end(msg, nest);
10993
9360ffd1
DM		 10994 if (req->ie &&
10995 nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie))
10996 goto nla_put_failure;
362a415d 10997
ae917c9f
JB		 10998 if (req->flags &&
10999 nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags))
11000 goto nla_put_failure;
ed473771 11001
362a415d
JB		 11002 return 0;
11003 nla_put_failure:
11004 return -ENOBUFS;
11005}
11006
a538e2d5
JB		 11007static int nl80211_send_scan_msg(struct sk_buff *msg,
11008 struct cfg80211_registered_device *rdev,
fd014284 11009 struct wireless_dev *wdev,
15e47304 11010 u32 portid, u32 seq, int flags,
a538e2d5 11011 u32 cmd)
2a519311
JB		 11012{
11013 void *hdr;
11014
15e47304 11015 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
2a519311
JB		 11016 if (!hdr)
11017 return -1;
11018
9360ffd1 11019 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
fd014284
JB		 11020 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
11021 wdev->netdev->ifindex)) ||
11022 nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)))
9360ffd1 11023 goto nla_put_failure;
2a519311 11024
362a415d
JB		 11025 /* ignore errors and send incomplete event anyway */
11026 nl80211_add_scan_req(msg, rdev);
2a519311
JB		 11027
11028 return genlmsg_end(msg, hdr);
11029
11030 nla_put_failure:
11031 genlmsg_cancel(msg, hdr);
11032 return -EMSGSIZE;
11033}
11034
807f8a8c
LC		 11035static int
11036nl80211_send_sched_scan_msg(struct sk_buff *msg,
11037 struct cfg80211_registered_device *rdev,
11038 struct net_device *netdev,
15e47304 11039 u32 portid, u32 seq, int flags, u32 cmd)
807f8a8c
LC		 11040{
11041 void *hdr;
11042
15e47304 11043 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
807f8a8c
LC		 11044 if (!hdr)
11045 return -1;
11046
9360ffd1
DM		 11047 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
11048 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
11049 goto nla_put_failure;
807f8a8c
LC		 11050
11051 return genlmsg_end(msg, hdr);
11052
11053 nla_put_failure:
11054 genlmsg_cancel(msg, hdr);
11055 return -EMSGSIZE;
11056}
11057
a538e2d5 11058void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
fd014284 11059 struct wireless_dev *wdev)
a538e2d5
JB		 11060{
11061 struct sk_buff *msg;
11062
58050fce 11063 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
a538e2d5
JB		 11064 if (!msg)
11065 return;
11066
fd014284 11067 if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0,
a538e2d5
JB		 11068 NL80211_CMD_TRIGGER_SCAN) < 0) {
11069 nlmsg_free(msg);
11070 return;
11071 }
11072
68eb5503 11073 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 11074 NL80211_MCGRP_SCAN, GFP_KERNEL);
a538e2d5
JB		 11075}
11076
f9d15d16
JB		 11077struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev,
11078 struct wireless_dev *wdev, bool aborted)
2a519311
JB		 11079{
11080 struct sk_buff *msg;
11081
fd2120ca 11082 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
2a519311 11083 if (!msg)
f9d15d16 11084 return NULL;
2a519311 11085
fd014284 11086 if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0,
f9d15d16
JB		 11087 aborted ? NL80211_CMD_SCAN_ABORTED :
11088 NL80211_CMD_NEW_SCAN_RESULTS) < 0) {
2a519311 11089 nlmsg_free(msg);
f9d15d16 11090 return NULL;
2a519311
JB		 11091 }
11092
f9d15d16 11093 return msg;
2a519311
JB		 11094}
11095
f9d15d16
JB		 11096void nl80211_send_scan_result(struct cfg80211_registered_device *rdev,
11097 struct sk_buff *msg)
2a519311 11098{
2a519311
JB		 11099 if (!msg)
11100 return;
11101
68eb5503 11102 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 11103 NL80211_MCGRP_SCAN, GFP_KERNEL);
2a519311
JB		 11104}
11105
807f8a8c
LC		 11106void nl80211_send_sched_scan_results(struct cfg80211_registered_device *rdev,
11107 struct net_device *netdev)
11108{
11109 struct sk_buff *msg;
11110
11111 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
11112 if (!msg)
11113 return;
11114
11115 if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0,
11116 NL80211_CMD_SCHED_SCAN_RESULTS) < 0) {
11117 nlmsg_free(msg);
11118 return;
11119 }
11120
68eb5503 11121 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 11122 NL80211_MCGRP_SCAN, GFP_KERNEL);
807f8a8c
LC		 11123}
11124
11125void nl80211_send_sched_scan(struct cfg80211_registered_device *rdev,
11126 struct net_device *netdev, u32 cmd)
11127{
11128 struct sk_buff *msg;
11129
58050fce 11130 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
807f8a8c
LC		 11131 if (!msg)
11132 return;
11133
11134 if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, cmd) < 0) {
11135 nlmsg_free(msg);
11136 return;
11137 }
11138
68eb5503 11139 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 11140 NL80211_MCGRP_SCAN, GFP_KERNEL);
807f8a8c
LC		 11141}
11142
b0d7aa59
JD		 11143static bool nl80211_reg_change_event_fill(struct sk_buff *msg,
11144 struct regulatory_request *request)
73d54c9e 11145{
73d54c9e 11146 /* Userspace can always count this one always being set */
9360ffd1
DM		 11147 if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator))
11148 goto nla_put_failure;
11149
11150 if (request->alpha2[0] == '0' && request->alpha2[1] == '0') {
11151 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
11152 NL80211_REGDOM_TYPE_WORLD))
11153 goto nla_put_failure;
11154 } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') {
11155 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
11156 NL80211_REGDOM_TYPE_CUSTOM_WORLD))
11157 goto nla_put_failure;
11158 } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') ||
11159 request->intersect) {
11160 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
11161 NL80211_REGDOM_TYPE_INTERSECTION))
11162 goto nla_put_failure;
11163 } else {
11164 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
11165 NL80211_REGDOM_TYPE_COUNTRY) ||
11166 nla_put_string(msg, NL80211_ATTR_REG_ALPHA2,
11167 request->alpha2))
11168 goto nla_put_failure;
11169 }
11170
ad30ca2c
AN		 11171 if (request->wiphy_idx != WIPHY_IDX_INVALID) {
11172 struct wiphy *wiphy = wiphy_idx_to_wiphy(request->wiphy_idx);
11173
11174 if (wiphy &&
11175 nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx))
11176 goto nla_put_failure;
1bdd716c
AN		 11177
11178 if (wiphy &&
11179 wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
11180 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
11181 goto nla_put_failure;
ad30ca2c 11182 }
73d54c9e 11183
b0d7aa59
JD		 11184 return true;
11185
11186nla_put_failure:
11187 return false;
11188}
11189
11190/*
11191 * This can happen on global regulatory changes or device specific settings
11192 * based on custom regulatory domains.
11193 */
11194void nl80211_common_reg_change_event(enum nl80211_commands cmd_id,
11195 struct regulatory_request *request)
11196{
11197 struct sk_buff *msg;
11198 void *hdr;
11199
11200 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
11201 if (!msg)
11202 return;
11203
11204 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd_id);
11205 if (!hdr) {
11206 nlmsg_free(msg);
11207 return;
11208 }
11209
11210 if (nl80211_reg_change_event_fill(msg, request) == false)
11211 goto nla_put_failure;
11212
3b7b72ee 11213 genlmsg_end(msg, hdr);
73d54c9e 11214
bc43b28c 11215 rcu_read_lock();
68eb5503 11216 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
2a94fe48 11217 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
bc43b28c 11218 rcu_read_unlock();
73d54c9e
LR		 11219
11220 return;
11221
11222nla_put_failure:
11223 genlmsg_cancel(msg, hdr);
11224 nlmsg_free(msg);
11225}
11226
6039f6d2
JM		 11227static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
11228 struct net_device *netdev,
11229 const u8 *buf, size_t len,
b0b6aa2c
EP		 11230 enum nl80211_commands cmd, gfp_t gfp,
11231 int uapsd_queues)
6039f6d2
JM		 11232{
11233 struct sk_buff *msg;
11234 void *hdr;
11235
e6d6e342 11236 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
6039f6d2
JM		 11237 if (!msg)
11238 return;
11239
11240 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
11241 if (!hdr) {
11242 nlmsg_free(msg);
11243 return;
11244 }
11245
9360ffd1
DM		 11246 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
11247 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
11248 nla_put(msg, NL80211_ATTR_FRAME, len, buf))
11249 goto nla_put_failure;
6039f6d2 11250
b0b6aa2c
EP		 11251 if (uapsd_queues >= 0) {
11252 struct nlattr *nla_wmm =
11253 nla_nest_start(msg, NL80211_ATTR_STA_WME);
11254 if (!nla_wmm)
11255 goto nla_put_failure;
11256
11257 if (nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES,
11258 uapsd_queues))
11259 goto nla_put_failure;
11260
11261 nla_nest_end(msg, nla_wmm);
11262 }
11263
3b7b72ee 11264 genlmsg_end(msg, hdr);
6039f6d2 11265
68eb5503 11266 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 11267 NL80211_MCGRP_MLME, gfp);
6039f6d2
JM		 11268 return;
11269
11270 nla_put_failure:
11271 genlmsg_cancel(msg, hdr);
11272 nlmsg_free(msg);
11273}
11274
11275void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev,
e6d6e342
JB		 11276 struct net_device *netdev, const u8 *buf,
11277 size_t len, gfp_t gfp)
6039f6d2
JM		 11278{
11279 nl80211_send_mlme_event(rdev, netdev, buf, len,
b0b6aa2c 11280 NL80211_CMD_AUTHENTICATE, gfp, -1);
6039f6d2
JM		 11281}
11282
11283void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev,
11284 struct net_device *netdev, const u8 *buf,
b0b6aa2c 11285 size_t len, gfp_t gfp, int uapsd_queues)
6039f6d2 11286{
e6d6e342 11287 nl80211_send_mlme_event(rdev, netdev, buf, len,
b0b6aa2c 11288 NL80211_CMD_ASSOCIATE, gfp, uapsd_queues);
6039f6d2
JM		 11289}
11290
53b46b84 11291void nl80211_send_deauth(struct cfg80211_registered_device *rdev,
e6d6e342
JB		 11292 struct net_device *netdev, const u8 *buf,
11293 size_t len, gfp_t gfp)
6039f6d2
JM		 11294{
11295 nl80211_send_mlme_event(rdev, netdev, buf, len,
b0b6aa2c 11296 NL80211_CMD_DEAUTHENTICATE, gfp, -1);
6039f6d2
JM		 11297}
11298
53b46b84
JM		 11299void nl80211_send_disassoc(struct cfg80211_registered_device *rdev,
11300 struct net_device *netdev, const u8 *buf,
e6d6e342 11301 size_t len, gfp_t gfp)
6039f6d2
JM		 11302{
11303 nl80211_send_mlme_event(rdev, netdev, buf, len,
b0b6aa2c 11304 NL80211_CMD_DISASSOCIATE, gfp, -1);
6039f6d2
JM		 11305}
11306
6ff57cf8
JB		 11307void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf,
11308 size_t len)
cf4e594e 11309{
947add36
JB		 11310 struct wireless_dev *wdev = dev->ieee80211_ptr;
11311 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 11312 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
6ff57cf8
JB		 11313 const struct ieee80211_mgmt *mgmt = (void *)buf;
11314 u32 cmd;
947add36 11315
6ff57cf8
JB		 11316 if (WARN_ON(len < 2))
11317 return;
cf4e594e 11318
6ff57cf8
JB		 11319 if (ieee80211_is_deauth(mgmt->frame_control))
11320 cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE;
11321 else
11322 cmd = NL80211_CMD_UNPROT_DISASSOCIATE;
947add36 11323
6ff57cf8 11324 trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len);
b0b6aa2c 11325 nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC, -1);
cf4e594e 11326}
6ff57cf8 11327EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt);
cf4e594e 11328
1b06bb40
LR		 11329static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev,
11330 struct net_device *netdev, int cmd,
e6d6e342 11331 const u8 *addr, gfp_t gfp)
1965c853
JM		 11332{
11333 struct sk_buff *msg;
11334 void *hdr;
11335
e6d6e342 11336 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
1965c853
JM		 11337 if (!msg)
11338 return;
11339
11340 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
11341 if (!hdr) {
11342 nlmsg_free(msg);
11343 return;
11344 }
11345
9360ffd1
DM		 11346 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
11347 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
11348 nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
11349 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
11350 goto nla_put_failure;
1965c853 11351
3b7b72ee 11352 genlmsg_end(msg, hdr);
1965c853 11353
68eb5503 11354 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 11355 NL80211_MCGRP_MLME, gfp);
1965c853
JM		 11356 return;
11357
11358 nla_put_failure:
11359 genlmsg_cancel(msg, hdr);
11360 nlmsg_free(msg);
11361}
11362
11363void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev,
e6d6e342
JB		 11364 struct net_device *netdev, const u8 *addr,
11365 gfp_t gfp)
1965c853
JM		 11366{
11367 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE,
e6d6e342 11368 addr, gfp);
1965c853
JM		 11369}
11370
11371void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev,
e6d6e342
JB		 11372 struct net_device *netdev, const u8 *addr,
11373 gfp_t gfp)
1965c853 11374{
e6d6e342
JB		 11375 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE,
11376 addr, gfp);
1965c853
JM		 11377}
11378
b23aa676
SO		 11379void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
11380 struct net_device *netdev, const u8 *bssid,
11381 const u8 *req_ie, size_t req_ie_len,
11382 const u8 *resp_ie, size_t resp_ie_len,
11383 u16 status, gfp_t gfp)
11384{
11385 struct sk_buff *msg;
11386 void *hdr;
11387
58050fce 11388 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
b23aa676
SO		 11389 if (!msg)
11390 return;
11391
11392 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT);
11393 if (!hdr) {
11394 nlmsg_free(msg);
11395 return;
11396 }
11397
9360ffd1
DM		 11398 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
11399 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
11400 (bssid && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) ||
11401 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, status) ||
11402 (req_ie &&
11403 nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) ||
11404 (resp_ie &&
11405 nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie)))
11406 goto nla_put_failure;
b23aa676 11407
3b7b72ee 11408 genlmsg_end(msg, hdr);
b23aa676 11409
68eb5503 11410 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 11411 NL80211_MCGRP_MLME, gfp);
b23aa676
SO		 11412 return;
11413
11414 nla_put_failure:
11415 genlmsg_cancel(msg, hdr);
11416 nlmsg_free(msg);
11417
11418}
11419
11420void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
11421 struct net_device *netdev, const u8 *bssid,
11422 const u8 *req_ie, size_t req_ie_len,
11423 const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp)
11424{
11425 struct sk_buff *msg;
11426 void *hdr;
11427
58050fce 11428 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
b23aa676
SO		 11429 if (!msg)
11430 return;
11431
11432 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM);
11433 if (!hdr) {
11434 nlmsg_free(msg);
11435 return;
11436 }
11437
9360ffd1
DM		 11438 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
11439 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
11440 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid) ||
11441 (req_ie &&
11442 nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) ||
11443 (resp_ie &&
11444 nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie)))
11445 goto nla_put_failure;
b23aa676 11446
3b7b72ee 11447 genlmsg_end(msg, hdr);
b23aa676 11448
68eb5503 11449 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 11450 NL80211_MCGRP_MLME, gfp);
b23aa676
SO		 11451 return;
11452
11453 nla_put_failure:
11454 genlmsg_cancel(msg, hdr);
11455 nlmsg_free(msg);
11456
11457}
11458
11459void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
11460 struct net_device *netdev, u16 reason,
667503dd 11461 const u8 *ie, size_t ie_len, bool from_ap)
b23aa676
SO		 11462{
11463 struct sk_buff *msg;
11464 void *hdr;
11465
58050fce 11466 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
b23aa676
SO		 11467 if (!msg)
11468 return;
11469
11470 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT);
11471 if (!hdr) {
11472 nlmsg_free(msg);
11473 return;
11474 }
11475
9360ffd1
DM		 11476 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
11477 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
11478 (from_ap && reason &&
11479 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) ||
11480 (from_ap &&
11481 nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) ||
11482 (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie)))
11483 goto nla_put_failure;
b23aa676 11484
3b7b72ee 11485 genlmsg_end(msg, hdr);
b23aa676 11486
68eb5503 11487 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 11488 NL80211_MCGRP_MLME, GFP_KERNEL);
b23aa676
SO		 11489 return;
11490
11491 nla_put_failure:
11492 genlmsg_cancel(msg, hdr);
11493 nlmsg_free(msg);
11494
11495}
11496
04a773ad
JB		 11497void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev,
11498 struct net_device *netdev, const u8 *bssid,
11499 gfp_t gfp)
11500{
11501 struct sk_buff *msg;
11502 void *hdr;
11503
fd2120ca 11504 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
04a773ad
JB		 11505 if (!msg)
11506 return;
11507
11508 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS);
11509 if (!hdr) {
11510 nlmsg_free(msg);
11511 return;
11512 }
11513
9360ffd1
DM		 11514 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
11515 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
11516 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
11517 goto nla_put_failure;
04a773ad 11518
3b7b72ee 11519 genlmsg_end(msg, hdr);
04a773ad 11520
68eb5503 11521 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 11522 NL80211_MCGRP_MLME, gfp);
04a773ad
JB		 11523 return;
11524
11525 nla_put_failure:
11526 genlmsg_cancel(msg, hdr);
11527 nlmsg_free(msg);
11528}
11529
947add36
JB		 11530void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr,
11531 const u8* ie, u8 ie_len, gfp_t gfp)
c93b5e71 11532{
947add36 11533 struct wireless_dev *wdev = dev->ieee80211_ptr;
f26cbf40 11534 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
c93b5e71
JC		 11535 struct sk_buff *msg;
11536 void *hdr;
11537
947add36
JB		 11538 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT))
11539 return;
11540
11541 trace_cfg80211_notify_new_peer_candidate(dev, addr);
11542
c93b5e71
JC		 11543 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
11544 if (!msg)
11545 return;
11546
11547 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE);
11548 if (!hdr) {
11549 nlmsg_free(msg);
11550 return;
11551 }
11552
9360ffd1 11553 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
947add36
JB		 11554 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
11555 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
9360ffd1
DM		 11556 (ie_len && ie &&
11557 nla_put(msg, NL80211_ATTR_IE, ie_len , ie)))
11558 goto nla_put_failure;
c93b5e71 11559
3b7b72ee 11560 genlmsg_end(msg, hdr);
c93b5e71 11561
68eb5503 11562 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 11563 NL80211_MCGRP_MLME, gfp);
c93b5e71
JC		 11564 return;
11565
11566 nla_put_failure:
11567 genlmsg_cancel(msg, hdr);
11568 nlmsg_free(msg);
11569}
947add36 11570EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate);
c93b5e71 11571
a3b8b056
JM		 11572void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
11573 struct net_device *netdev, const u8 *addr,
11574 enum nl80211_key_type key_type, int key_id,
e6d6e342 11575 const u8 *tsc, gfp_t gfp)
a3b8b056
JM		 11576{
11577 struct sk_buff *msg;
11578 void *hdr;
11579
e6d6e342 11580 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
a3b8b056
JM		 11581 if (!msg)
11582 return;
11583
11584 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE);
11585 if (!hdr) {
11586 nlmsg_free(msg);
11587 return;
11588 }
11589
9360ffd1
DM		 11590 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
11591 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
11592 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
11593 nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) ||
11594 (key_id != -1 &&
11595 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) ||
11596 (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc)))
11597 goto nla_put_failure;
a3b8b056 11598
3b7b72ee 11599 genlmsg_end(msg, hdr);
a3b8b056 11600
68eb5503 11601 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 11602 NL80211_MCGRP_MLME, gfp);
a3b8b056
JM		 11603 return;
11604
11605 nla_put_failure:
11606 genlmsg_cancel(msg, hdr);
11607 nlmsg_free(msg);
11608}
11609
6bad8766
LR		 11610void nl80211_send_beacon_hint_event(struct wiphy *wiphy,
11611 struct ieee80211_channel *channel_before,
11612 struct ieee80211_channel *channel_after)
11613{
11614 struct sk_buff *msg;
11615 void *hdr;
11616 struct nlattr *nl_freq;
11617
fd2120ca 11618 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
6bad8766
LR		 11619 if (!msg)
11620 return;
11621
11622 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT);
11623 if (!hdr) {
11624 nlmsg_free(msg);
11625 return;
11626 }
11627
11628 /*
11629 * Since we are applying the beacon hint to a wiphy we know its
11630 * wiphy_idx is valid
11631 */
9360ffd1
DM		 11632 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
11633 goto nla_put_failure;
6bad8766
LR		 11634
11635 /* Before */
11636 nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_BEFORE);
11637 if (!nl_freq)
11638 goto nla_put_failure;
cdc89b97 11639 if (nl80211_msg_put_channel(msg, channel_before, false))
6bad8766
LR		 11640 goto nla_put_failure;
11641 nla_nest_end(msg, nl_freq);
11642
11643 /* After */
11644 nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_AFTER);
11645 if (!nl_freq)
11646 goto nla_put_failure;
cdc89b97 11647 if (nl80211_msg_put_channel(msg, channel_after, false))
6bad8766
LR		 11648 goto nla_put_failure;
11649 nla_nest_end(msg, nl_freq);
11650
3b7b72ee 11651 genlmsg_end(msg, hdr);
6bad8766 11652
463d0183 11653 rcu_read_lock();
68eb5503 11654 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
2a94fe48 11655 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
463d0183 11656 rcu_read_unlock();
6bad8766
LR		 11657
11658 return;
11659
11660nla_put_failure:
11661 genlmsg_cancel(msg, hdr);
11662 nlmsg_free(msg);
11663}
11664
9588bbd5
JM		 11665static void nl80211_send_remain_on_chan_event(
11666 int cmd, struct cfg80211_registered_device *rdev,
71bbc994 11667 struct wireless_dev *wdev, u64 cookie,
9588bbd5 11668 struct ieee80211_channel *chan,
9588bbd5
JM		 11669 unsigned int duration, gfp_t gfp)
11670{
11671 struct sk_buff *msg;
11672 void *hdr;
11673
11674 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
11675 if (!msg)
11676 return;
11677
11678 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
11679 if (!hdr) {
11680 nlmsg_free(msg);
11681 return;
11682 }
11683
9360ffd1 11684 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
71bbc994
JB		 11685 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
11686 wdev->netdev->ifindex)) ||
00f53350 11687 nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) ||
9360ffd1 11688 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) ||
42d97a59
JB		 11689 nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
11690 NL80211_CHAN_NO_HT) ||
9360ffd1
DM		 11691 nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie))
11692 goto nla_put_failure;
9588bbd5 11693
9360ffd1
DM		 11694 if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL &&
11695 nla_put_u32(msg, NL80211_ATTR_DURATION, duration))
11696 goto nla_put_failure;
9588bbd5 11697
3b7b72ee 11698 genlmsg_end(msg, hdr);
9588bbd5 11699
68eb5503 11700 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 11701 NL80211_MCGRP_MLME, gfp);
9588bbd5
JM		 11702 return;
11703
11704 nla_put_failure:
11705 genlmsg_cancel(msg, hdr);
11706 nlmsg_free(msg);
11707}
11708
947add36
JB		 11709void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie,
11710 struct ieee80211_channel *chan,
11711 unsigned int duration, gfp_t gfp)
9588bbd5 11712{
947add36 11713 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 11714 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
947add36
JB		 11715
11716 trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration);
9588bbd5 11717 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL,
71bbc994 11718 rdev, wdev, cookie, chan,
42d97a59 11719 duration, gfp);
9588bbd5 11720}
947add36 11721EXPORT_SYMBOL(cfg80211_ready_on_channel);
9588bbd5 11722
947add36
JB		 11723void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie,
11724 struct ieee80211_channel *chan,
11725 gfp_t gfp)
9588bbd5 11726{
947add36 11727 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 11728 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
947add36
JB		 11729
11730 trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan);
9588bbd5 11731 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
42d97a59 11732 rdev, wdev, cookie, chan, 0, gfp);
9588bbd5 11733}
947add36 11734EXPORT_SYMBOL(cfg80211_remain_on_channel_expired);
9588bbd5 11735
947add36
JB		 11736void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr,
11737 struct station_info *sinfo, gfp_t gfp)
98b62183 11738{
947add36 11739 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
f26cbf40 11740 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
98b62183
JB		 11741 struct sk_buff *msg;
11742
947add36
JB		 11743 trace_cfg80211_new_sta(dev, mac_addr, sinfo);
11744
58050fce 11745 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
98b62183
JB		 11746 if (!msg)
11747 return;
11748
cf5ead82 11749 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION, 0, 0, 0,
66266b3a 11750 rdev, dev, mac_addr, sinfo) < 0) {
98b62183
JB		 11751 nlmsg_free(msg);
11752 return;
11753 }
11754
68eb5503 11755 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 11756 NL80211_MCGRP_MLME, gfp);
98b62183 11757}
947add36 11758EXPORT_SYMBOL(cfg80211_new_sta);
98b62183 11759
cf5ead82
JB		 11760void cfg80211_del_sta_sinfo(struct net_device *dev, const u8 *mac_addr,
11761 struct station_info *sinfo, gfp_t gfp)
ec15e68b 11762{
947add36 11763 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
f26cbf40 11764 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
ec15e68b 11765 struct sk_buff *msg;
cf5ead82
JB		 11766 struct station_info empty_sinfo = {};
11767
11768 if (!sinfo)
11769 sinfo = &empty_sinfo;
ec15e68b 11770
947add36
JB		 11771 trace_cfg80211_del_sta(dev, mac_addr);
11772
58050fce 11773 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
ec15e68b
JM		 11774 if (!msg)
11775 return;
11776
cf5ead82
JB		 11777 if (nl80211_send_station(msg, NL80211_CMD_DEL_STATION, 0, 0, 0,
11778 rdev, dev, mac_addr, sinfo)) {
ec15e68b
JM		 11779 nlmsg_free(msg);
11780 return;
11781 }
11782
68eb5503 11783 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 11784 NL80211_MCGRP_MLME, gfp);
ec15e68b 11785}
cf5ead82 11786EXPORT_SYMBOL(cfg80211_del_sta_sinfo);
ec15e68b 11787
947add36
JB		 11788void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr,
11789 enum nl80211_connect_failed_reason reason,
11790 gfp_t gfp)
ed44a951 11791{
947add36 11792 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
f26cbf40 11793 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
ed44a951
PP		 11794 struct sk_buff *msg;
11795 void *hdr;
11796
11797 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
11798 if (!msg)
11799 return;
11800
11801 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED);
11802 if (!hdr) {
11803 nlmsg_free(msg);
11804 return;
11805 }
11806
11807 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
11808 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
11809 nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason))
11810 goto nla_put_failure;
11811
11812 genlmsg_end(msg, hdr);
11813
68eb5503 11814 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 11815 NL80211_MCGRP_MLME, gfp);
ed44a951
PP		 11816 return;
11817
11818 nla_put_failure:
11819 genlmsg_cancel(msg, hdr);
11820 nlmsg_free(msg);
11821}
947add36 11822EXPORT_SYMBOL(cfg80211_conn_failed);
ed44a951 11823
b92ab5d8
JB		 11824static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd,
11825 const u8 *addr, gfp_t gfp)
28946da7
JB		 11826{
11827 struct wireless_dev *wdev = dev->ieee80211_ptr;
f26cbf40 11828 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
28946da7
JB		 11829 struct sk_buff *msg;
11830 void *hdr;
15e47304 11831 u32 nlportid = ACCESS_ONCE(wdev->ap_unexpected_nlportid);
28946da7 11832
15e47304 11833 if (!nlportid)
28946da7
JB		 11834 return false;
11835
11836 msg = nlmsg_new(100, gfp);
11837 if (!msg)
11838 return true;
11839
b92ab5d8 11840 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
28946da7
JB		 11841 if (!hdr) {
11842 nlmsg_free(msg);
11843 return true;
11844 }
11845
9360ffd1
DM		 11846 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
11847 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
11848 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
11849 goto nla_put_failure;
28946da7 11850
9c90a9f6 11851 genlmsg_end(msg, hdr);
15e47304 11852 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
28946da7
JB		 11853 return true;
11854
11855 nla_put_failure:
11856 genlmsg_cancel(msg, hdr);
11857 nlmsg_free(msg);
11858 return true;
11859}
11860
947add36
JB		 11861bool cfg80211_rx_spurious_frame(struct net_device *dev,
11862 const u8 *addr, gfp_t gfp)
b92ab5d8 11863{
947add36
JB		 11864 struct wireless_dev *wdev = dev->ieee80211_ptr;
11865 bool ret;
11866
11867 trace_cfg80211_rx_spurious_frame(dev, addr);
11868
11869 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
11870 wdev->iftype != NL80211_IFTYPE_P2P_GO)) {
11871 trace_cfg80211_return_bool(false);
11872 return false;
11873 }
11874 ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME,
11875 addr, gfp);
11876 trace_cfg80211_return_bool(ret);
11877 return ret;
b92ab5d8 11878}
947add36 11879EXPORT_SYMBOL(cfg80211_rx_spurious_frame);
b92ab5d8 11880
947add36
JB		 11881bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev,
11882 const u8 *addr, gfp_t gfp)
b92ab5d8 11883{
947add36
JB		 11884 struct wireless_dev *wdev = dev->ieee80211_ptr;
11885 bool ret;
11886
11887 trace_cfg80211_rx_unexpected_4addr_frame(dev, addr);
11888
11889 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
11890 wdev->iftype != NL80211_IFTYPE_P2P_GO &&
11891 wdev->iftype != NL80211_IFTYPE_AP_VLAN)) {
11892 trace_cfg80211_return_bool(false);
11893 return false;
11894 }
11895 ret = __nl80211_unexpected_frame(dev,
11896 NL80211_CMD_UNEXPECTED_4ADDR_FRAME,
11897 addr, gfp);
11898 trace_cfg80211_return_bool(ret);
11899 return ret;
b92ab5d8 11900}
947add36 11901EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame);
b92ab5d8 11902
2e161f78 11903int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
15e47304 11904 struct wireless_dev *wdev, u32 nlportid,
804483e9 11905 int freq, int sig_dbm,
19504cf5 11906 const u8 *buf, size_t len, u32 flags, gfp_t gfp)
026331c4 11907{
71bbc994 11908 struct net_device *netdev = wdev->netdev;
026331c4
JM		 11909 struct sk_buff *msg;
11910 void *hdr;
026331c4
JM		 11911
11912 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
11913 if (!msg)
11914 return -ENOMEM;
11915
2e161f78 11916 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
026331c4
JM		 11917 if (!hdr) {
11918 nlmsg_free(msg);
11919 return -ENOMEM;
11920 }
11921
9360ffd1 11922 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
71bbc994
JB		 11923 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
11924 netdev->ifindex)) ||
a838490b 11925 nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) ||
9360ffd1
DM		 11926 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) ||
11927 (sig_dbm &&
11928 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
19504cf5
VK		 11929 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
11930 (flags &&
11931 nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, flags)))
9360ffd1 11932 goto nla_put_failure;
026331c4 11933
3b7b72ee 11934 genlmsg_end(msg, hdr);
026331c4 11935
15e47304 11936 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
026331c4
JM		 11937
11938 nla_put_failure:
11939 genlmsg_cancel(msg, hdr);
11940 nlmsg_free(msg);
11941 return -ENOBUFS;
11942}
11943
947add36
JB		 11944void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie,
11945 const u8 *buf, size_t len, bool ack, gfp_t gfp)
026331c4 11946{
947add36 11947 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 11948 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
71bbc994 11949 struct net_device *netdev = wdev->netdev;
026331c4
JM		 11950 struct sk_buff *msg;
11951 void *hdr;
11952
947add36
JB		 11953 trace_cfg80211_mgmt_tx_status(wdev, cookie, ack);
11954
026331c4
JM		 11955 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
11956 if (!msg)
11957 return;
11958
2e161f78 11959 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS);
026331c4
JM		 11960 if (!hdr) {
11961 nlmsg_free(msg);
11962 return;
11963 }
11964
9360ffd1 11965 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
71bbc994
JB		 11966 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
11967 netdev->ifindex)) ||
a838490b 11968 nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) ||
9360ffd1
DM		 11969 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
11970 nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie) ||
11971 (ack && nla_put_flag(msg, NL80211_ATTR_ACK)))
11972 goto nla_put_failure;
026331c4 11973
3b7b72ee 11974 genlmsg_end(msg, hdr);
026331c4 11975
68eb5503 11976 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 11977 NL80211_MCGRP_MLME, gfp);
026331c4
JM		 11978 return;
11979
11980 nla_put_failure:
11981 genlmsg_cancel(msg, hdr);
11982 nlmsg_free(msg);
11983}
947add36 11984EXPORT_SYMBOL(cfg80211_mgmt_tx_status);
026331c4 11985
5b97f49d
JB		 11986static struct sk_buff *cfg80211_prepare_cqm(struct net_device *dev,
11987 const char *mac, gfp_t gfp)
d6dc1a38 11988{
947add36 11989 struct wireless_dev *wdev = dev->ieee80211_ptr;
5b97f49d
JB		 11990 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
11991 struct sk_buff *msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
11992 void **cb;
947add36 11993
d6dc1a38 11994 if (!msg)
5b97f49d 11995 return NULL;
d6dc1a38 11996
5b97f49d
JB		 11997 cb = (void **)msg->cb;
11998
11999 cb[0] = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
12000 if (!cb[0]) {
d6dc1a38 12001 nlmsg_free(msg);
5b97f49d 12002 return NULL;
d6dc1a38
JO		 12003 }
12004
9360ffd1 12005 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
947add36 12006 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
9360ffd1 12007 goto nla_put_failure;
d6dc1a38 12008
5b97f49d 12009 if (mac && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
d6dc1a38
JO		 12010 goto nla_put_failure;
12011
5b97f49d
JB		 12012 cb[1] = nla_nest_start(msg, NL80211_ATTR_CQM);
12013 if (!cb[1])
9360ffd1 12014 goto nla_put_failure;
d6dc1a38 12015
5b97f49d 12016 cb[2] = rdev;
d6dc1a38 12017
5b97f49d
JB		 12018 return msg;
12019 nla_put_failure:
12020 nlmsg_free(msg);
12021 return NULL;
12022}
12023
12024static void cfg80211_send_cqm(struct sk_buff *msg, gfp_t gfp)
12025{
12026 void **cb = (void **)msg->cb;
12027 struct cfg80211_registered_device *rdev = cb[2];
12028
12029 nla_nest_end(msg, cb[1]);
12030 genlmsg_end(msg, cb[0]);
12031
12032 memset(msg->cb, 0, sizeof(msg->cb));
d6dc1a38 12033
68eb5503 12034 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 12035 NL80211_MCGRP_MLME, gfp);
5b97f49d
JB		 12036}
12037
12038void cfg80211_cqm_rssi_notify(struct net_device *dev,
12039 enum nl80211_cqm_rssi_threshold_event rssi_event,
12040 gfp_t gfp)
12041{
12042 struct sk_buff *msg;
12043
12044 trace_cfg80211_cqm_rssi_notify(dev, rssi_event);
12045
98f03342
JB		 12046 if (WARN_ON(rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW &&
12047 rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH))
12048 return;
12049
5b97f49d
JB		 12050 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
12051 if (!msg)
12052 return;
12053
12054 if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT,
12055 rssi_event))
12056 goto nla_put_failure;
12057
12058 cfg80211_send_cqm(msg, gfp);
12059
d6dc1a38
JO		 12060 return;
12061
12062 nla_put_failure:
d6dc1a38
JO		 12063 nlmsg_free(msg);
12064}
947add36 12065EXPORT_SYMBOL(cfg80211_cqm_rssi_notify);
d6dc1a38 12066
5b97f49d
JB		 12067void cfg80211_cqm_txe_notify(struct net_device *dev,
12068 const u8 *peer, u32 num_packets,
12069 u32 rate, u32 intvl, gfp_t gfp)
12070{
12071 struct sk_buff *msg;
12072
12073 msg = cfg80211_prepare_cqm(dev, peer, gfp);
12074 if (!msg)
12075 return;
12076
12077 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets))
12078 goto nla_put_failure;
12079
12080 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate))
12081 goto nla_put_failure;
12082
12083 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl))
12084 goto nla_put_failure;
12085
12086 cfg80211_send_cqm(msg, gfp);
12087 return;
12088
12089 nla_put_failure:
12090 nlmsg_free(msg);
12091}
12092EXPORT_SYMBOL(cfg80211_cqm_txe_notify);
12093
12094void cfg80211_cqm_pktloss_notify(struct net_device *dev,
12095 const u8 *peer, u32 num_packets, gfp_t gfp)
12096{
12097 struct sk_buff *msg;
12098
12099 trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets);
12100
12101 msg = cfg80211_prepare_cqm(dev, peer, gfp);
12102 if (!msg)
12103 return;
12104
12105 if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets))
12106 goto nla_put_failure;
12107
12108 cfg80211_send_cqm(msg, gfp);
12109 return;
12110
12111 nla_put_failure:
12112 nlmsg_free(msg);
12113}
12114EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify);
12115
98f03342
JB		 12116void cfg80211_cqm_beacon_loss_notify(struct net_device *dev, gfp_t gfp)
12117{
12118 struct sk_buff *msg;
12119
12120 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
12121 if (!msg)
12122 return;
12123
12124 if (nla_put_flag(msg, NL80211_ATTR_CQM_BEACON_LOSS_EVENT))
12125 goto nla_put_failure;
12126
12127 cfg80211_send_cqm(msg, gfp);
12128 return;
12129
12130 nla_put_failure:
12131 nlmsg_free(msg);
12132}
12133EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify);
12134
947add36
JB		 12135static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev,
12136 struct net_device *netdev, const u8 *bssid,
12137 const u8 *replay_ctr, gfp_t gfp)
e5497d76
JB		 12138{
12139 struct sk_buff *msg;
12140 struct nlattr *rekey_attr;
12141 void *hdr;
12142
58050fce 12143 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
e5497d76
JB		 12144 if (!msg)
12145 return;
12146
12147 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD);
12148 if (!hdr) {
12149 nlmsg_free(msg);
12150 return;
12151 }
12152
9360ffd1
DM		 12153 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
12154 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
12155 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
12156 goto nla_put_failure;
e5497d76
JB		 12157
12158 rekey_attr = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA);
12159 if (!rekey_attr)
12160 goto nla_put_failure;
12161
9360ffd1
DM		 12162 if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR,
12163 NL80211_REPLAY_CTR_LEN, replay_ctr))
12164 goto nla_put_failure;
e5497d76
JB		 12165
12166 nla_nest_end(msg, rekey_attr);
12167
3b7b72ee 12168 genlmsg_end(msg, hdr);
e5497d76 12169
68eb5503 12170 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 12171 NL80211_MCGRP_MLME, gfp);
e5497d76
JB		 12172 return;
12173
12174 nla_put_failure:
12175 genlmsg_cancel(msg, hdr);
12176 nlmsg_free(msg);
12177}
12178
947add36
JB		 12179void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid,
12180 const u8 *replay_ctr, gfp_t gfp)
12181{
12182 struct wireless_dev *wdev = dev->ieee80211_ptr;
12183 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 12184 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
947add36
JB		 12185
12186 trace_cfg80211_gtk_rekey_notify(dev, bssid);
12187 nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp);
12188}
12189EXPORT_SYMBOL(cfg80211_gtk_rekey_notify);
12190
12191static void
12192nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev,
12193 struct net_device *netdev, int index,
12194 const u8 *bssid, bool preauth, gfp_t gfp)
c9df56b4
JM		 12195{
12196 struct sk_buff *msg;
12197 struct nlattr *attr;
12198 void *hdr;
12199
58050fce 12200 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
c9df56b4
JM		 12201 if (!msg)
12202 return;
12203
12204 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE);
12205 if (!hdr) {
12206 nlmsg_free(msg);
12207 return;
12208 }
12209
9360ffd1
DM		 12210 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
12211 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
12212 goto nla_put_failure;
c9df56b4
JM		 12213
12214 attr = nla_nest_start(msg, NL80211_ATTR_PMKSA_CANDIDATE);
12215 if (!attr)
12216 goto nla_put_failure;
12217
9360ffd1
DM		 12218 if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) ||
12219 nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) ||
12220 (preauth &&
12221 nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH)))
12222 goto nla_put_failure;
c9df56b4
JM		 12223
12224 nla_nest_end(msg, attr);
12225
3b7b72ee 12226 genlmsg_end(msg, hdr);
c9df56b4 12227
68eb5503 12228 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 12229 NL80211_MCGRP_MLME, gfp);
c9df56b4
JM		 12230 return;
12231
12232 nla_put_failure:
12233 genlmsg_cancel(msg, hdr);
12234 nlmsg_free(msg);
12235}
12236
947add36
JB		 12237void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index,
12238 const u8 *bssid, bool preauth, gfp_t gfp)
12239{
12240 struct wireless_dev *wdev = dev->ieee80211_ptr;
12241 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 12242 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
947add36
JB		 12243
12244 trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth);
12245 nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp);
12246}
12247EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify);
12248
12249static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev,
12250 struct net_device *netdev,
12251 struct cfg80211_chan_def *chandef,
f8d7552e
LC		 12252 gfp_t gfp,
12253 enum nl80211_commands notif,
12254 u8 count)
5314526b
TP		 12255{
12256 struct sk_buff *msg;
12257 void *hdr;
12258
58050fce 12259 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
5314526b
TP		 12260 if (!msg)
12261 return;
12262
f8d7552e 12263 hdr = nl80211hdr_put(msg, 0, 0, 0, notif);
5314526b
TP		 12264 if (!hdr) {
12265 nlmsg_free(msg);
12266 return;
12267 }
12268
683b6d3b
JB		 12269 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
12270 goto nla_put_failure;
12271
12272 if (nl80211_send_chandef(msg, chandef))
7eab0f64 12273 goto nla_put_failure;
5314526b 12274
f8d7552e
LC		 12275 if ((notif == NL80211_CMD_CH_SWITCH_STARTED_NOTIFY) &&
12276 (nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT, count)))
12277 goto nla_put_failure;
12278
5314526b
TP		 12279 genlmsg_end(msg, hdr);
12280
68eb5503 12281 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 12282 NL80211_MCGRP_MLME, gfp);
5314526b
TP		 12283 return;
12284
12285 nla_put_failure:
12286 genlmsg_cancel(msg, hdr);
12287 nlmsg_free(msg);
12288}
12289
947add36
JB		 12290void cfg80211_ch_switch_notify(struct net_device *dev,
12291 struct cfg80211_chan_def *chandef)
84f10708 12292{
947add36
JB		 12293 struct wireless_dev *wdev = dev->ieee80211_ptr;
12294 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 12295 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
947add36 12296
e487eaeb 12297 ASSERT_WDEV_LOCK(wdev);
947add36 12298
e487eaeb 12299 trace_cfg80211_ch_switch_notify(dev, chandef);
947add36 12300
9e0e2961 12301 wdev->chandef = *chandef;
96f55f12 12302 wdev->preset_chandef = *chandef;
f8d7552e
LC		 12303 nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL,
12304 NL80211_CMD_CH_SWITCH_NOTIFY, 0);
947add36
JB		 12305}
12306EXPORT_SYMBOL(cfg80211_ch_switch_notify);
12307
f8d7552e
LC		 12308void cfg80211_ch_switch_started_notify(struct net_device *dev,
12309 struct cfg80211_chan_def *chandef,
12310 u8 count)
12311{
12312 struct wireless_dev *wdev = dev->ieee80211_ptr;
12313 struct wiphy *wiphy = wdev->wiphy;
12314 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
12315
12316 trace_cfg80211_ch_switch_started_notify(dev, chandef);
12317
12318 nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL,
12319 NL80211_CMD_CH_SWITCH_STARTED_NOTIFY, count);
12320}
12321EXPORT_SYMBOL(cfg80211_ch_switch_started_notify);
12322
04f39047
SW		 12323void
12324nl80211_radar_notify(struct cfg80211_registered_device *rdev,
d2859df5 12325 const struct cfg80211_chan_def *chandef,
04f39047
SW		 12326 enum nl80211_radar_event event,
12327 struct net_device *netdev, gfp_t gfp)
12328{
12329 struct sk_buff *msg;
12330 void *hdr;
12331
12332 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
12333 if (!msg)
12334 return;
12335
12336 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT);
12337 if (!hdr) {
12338 nlmsg_free(msg);
12339 return;
12340 }
12341
12342 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
12343 goto nla_put_failure;
12344
12345 /* NOP and radar events don't need a netdev parameter */
12346 if (netdev) {
12347 struct wireless_dev *wdev = netdev->ieee80211_ptr;
12348
12349 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
12350 nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)))
12351 goto nla_put_failure;
12352 }
12353
12354 if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event))
12355 goto nla_put_failure;
12356
12357 if (nl80211_send_chandef(msg, chandef))
12358 goto nla_put_failure;
12359
9c90a9f6 12360 genlmsg_end(msg, hdr);
04f39047 12361
68eb5503 12362 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 12363 NL80211_MCGRP_MLME, gfp);
04f39047
SW		 12364 return;
12365
12366 nla_put_failure:
12367 genlmsg_cancel(msg, hdr);
12368 nlmsg_free(msg);
12369}
12370
7f6cf311
JB		 12371void cfg80211_probe_status(struct net_device *dev, const u8 *addr,
12372 u64 cookie, bool acked, gfp_t gfp)
12373{
12374 struct wireless_dev *wdev = dev->ieee80211_ptr;
f26cbf40 12375 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
7f6cf311
JB		 12376 struct sk_buff *msg;
12377 void *hdr;
7f6cf311 12378
4ee3e063
BL		 12379 trace_cfg80211_probe_status(dev, addr, cookie, acked);
12380
58050fce 12381 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
4ee3e063 12382
7f6cf311
JB		 12383 if (!msg)
12384 return;
12385
12386 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT);
12387 if (!hdr) {
12388 nlmsg_free(msg);
12389 return;
12390 }
12391
9360ffd1
DM		 12392 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
12393 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
12394 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
12395 nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie) ||
12396 (acked && nla_put_flag(msg, NL80211_ATTR_ACK)))
12397 goto nla_put_failure;
7f6cf311 12398
9c90a9f6 12399 genlmsg_end(msg, hdr);
7f6cf311 12400
68eb5503 12401 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 12402 NL80211_MCGRP_MLME, gfp);
7f6cf311
JB		 12403 return;
12404
12405 nla_put_failure:
12406 genlmsg_cancel(msg, hdr);
12407 nlmsg_free(msg);
12408}
12409EXPORT_SYMBOL(cfg80211_probe_status);
12410
5e760230
JB		 12411void cfg80211_report_obss_beacon(struct wiphy *wiphy,
12412 const u8 *frame, size_t len,
37c73b5f 12413 int freq, int sig_dbm)
5e760230 12414{
f26cbf40 12415 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
5e760230
JB		 12416 struct sk_buff *msg;
12417 void *hdr;
37c73b5f 12418 struct cfg80211_beacon_registration *reg;
5e760230 12419
4ee3e063
BL		 12420 trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm);
12421
37c73b5f
BG		 12422 spin_lock_bh(&rdev->beacon_registrations_lock);
12423 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
12424 msg = nlmsg_new(len + 100, GFP_ATOMIC);
12425 if (!msg) {
12426 spin_unlock_bh(&rdev->beacon_registrations_lock);
12427 return;
12428 }
5e760230 12429
37c73b5f
BG		 12430 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
12431 if (!hdr)
12432 goto nla_put_failure;
5e760230 12433
37c73b5f
BG		 12434 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
12435 (freq &&
12436 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) ||
12437 (sig_dbm &&
12438 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
12439 nla_put(msg, NL80211_ATTR_FRAME, len, frame))
12440 goto nla_put_failure;
5e760230 12441
37c73b5f 12442 genlmsg_end(msg, hdr);
5e760230 12443
37c73b5f
BG		 12444 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid);
12445 }
12446 spin_unlock_bh(&rdev->beacon_registrations_lock);
5e760230
JB		 12447 return;
12448
12449 nla_put_failure:
37c73b5f
BG		 12450 spin_unlock_bh(&rdev->beacon_registrations_lock);
12451 if (hdr)
12452 genlmsg_cancel(msg, hdr);
5e760230
JB		 12453 nlmsg_free(msg);
12454}
12455EXPORT_SYMBOL(cfg80211_report_obss_beacon);
12456
cd8f7cb4 12457#ifdef CONFIG_PM
8cd4d456
LC		 12458static int cfg80211_net_detect_results(struct sk_buff *msg,
12459 struct cfg80211_wowlan_wakeup *wakeup)
12460{
12461 struct cfg80211_wowlan_nd_info *nd = wakeup->net_detect;
12462 struct nlattr *nl_results, *nl_match, *nl_freqs;
12463 int i, j;
12464
12465 nl_results = nla_nest_start(
12466 msg, NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS);
12467 if (!nl_results)
12468 return -EMSGSIZE;
12469
12470 for (i = 0; i < nd->n_matches; i++) {
12471 struct cfg80211_wowlan_nd_match *match = nd->matches[i];
12472
12473 nl_match = nla_nest_start(msg, i);
12474 if (!nl_match)
12475 break;
12476
12477 /* The SSID attribute is optional in nl80211, but for
12478 * simplicity reasons it's always present in the
12479 * cfg80211 structure. If a driver can't pass the
12480 * SSID, that needs to be changed. A zero length SSID
12481 * is still a valid SSID (wildcard), so it cannot be
12482 * used for this purpose.
12483 */
12484 if (nla_put(msg, NL80211_ATTR_SSID, match->ssid.ssid_len,
12485 match->ssid.ssid)) {
12486 nla_nest_cancel(msg, nl_match);
12487 goto out;
12488 }
12489
12490 if (match->n_channels) {
12491 nl_freqs = nla_nest_start(
12492 msg, NL80211_ATTR_SCAN_FREQUENCIES);
12493 if (!nl_freqs) {
12494 nla_nest_cancel(msg, nl_match);
12495 goto out;
12496 }
12497
12498 for (j = 0; j < match->n_channels; j++) {
12499 if (nla_put_u32(msg,
12500 NL80211_ATTR_WIPHY_FREQ,
12501 match->channels[j])) {
12502 nla_nest_cancel(msg, nl_freqs);
12503 nla_nest_cancel(msg, nl_match);
12504 goto out;
12505 }
12506 }
12507
12508 nla_nest_end(msg, nl_freqs);
12509 }
12510
12511 nla_nest_end(msg, nl_match);
12512 }
12513
12514out:
12515 nla_nest_end(msg, nl_results);
12516 return 0;
12517}
12518
cd8f7cb4
JB		 12519void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev,
12520 struct cfg80211_wowlan_wakeup *wakeup,
12521 gfp_t gfp)
12522{
f26cbf40 12523 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
cd8f7cb4
JB		 12524 struct sk_buff *msg;
12525 void *hdr;
9c90a9f6 12526 int size = 200;
cd8f7cb4
JB		 12527
12528 trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup);
12529
12530 if (wakeup)
12531 size += wakeup->packet_present_len;
12532
12533 msg = nlmsg_new(size, gfp);
12534 if (!msg)
12535 return;
12536
12537 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN);
12538 if (!hdr)
12539 goto free_msg;
12540
12541 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
12542 nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)))
12543 goto free_msg;
12544
12545 if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
12546 wdev->netdev->ifindex))
12547 goto free_msg;
12548
12549 if (wakeup) {
12550 struct nlattr *reasons;
12551
12552 reasons = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS);
7fa322c8
JB		 12553 if (!reasons)
12554 goto free_msg;
cd8f7cb4
JB		 12555
12556 if (wakeup->disconnect &&
12557 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT))
12558 goto free_msg;
12559 if (wakeup->magic_pkt &&
12560 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT))
12561 goto free_msg;
12562 if (wakeup->gtk_rekey_failure &&
12563 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE))
12564 goto free_msg;
12565 if (wakeup->eap_identity_req &&
12566 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST))
12567 goto free_msg;
12568 if (wakeup->four_way_handshake &&
12569 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE))
12570 goto free_msg;
12571 if (wakeup->rfkill_release &&
12572 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))
12573 goto free_msg;
12574
12575 if (wakeup->pattern_idx >= 0 &&
12576 nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
12577 wakeup->pattern_idx))
12578 goto free_msg;
12579
ae917c9f
JB		 12580 if (wakeup->tcp_match &&
12581 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH))
12582 goto free_msg;
2a0e047e 12583
ae917c9f
JB		 12584 if (wakeup->tcp_connlost &&
12585 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST))
12586 goto free_msg;
2a0e047e 12587
ae917c9f
JB		 12588 if (wakeup->tcp_nomoretokens &&
12589 nla_put_flag(msg,
12590 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS))
12591 goto free_msg;
2a0e047e 12592
cd8f7cb4
JB		 12593 if (wakeup->packet) {
12594 u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211;
12595 u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN;
12596
12597 if (!wakeup->packet_80211) {
12598 pkt_attr =
12599 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023;
12600 len_attr =
12601 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN;
12602 }
12603
12604 if (wakeup->packet_len &&
12605 nla_put_u32(msg, len_attr, wakeup->packet_len))
12606 goto free_msg;
12607
12608 if (nla_put(msg, pkt_attr, wakeup->packet_present_len,
12609 wakeup->packet))
12610 goto free_msg;
12611 }
12612
8cd4d456
LC		 12613 if (wakeup->net_detect &&
12614 cfg80211_net_detect_results(msg, wakeup))
12615 goto free_msg;
12616
cd8f7cb4
JB		 12617 nla_nest_end(msg, reasons);
12618 }
12619
9c90a9f6 12620 genlmsg_end(msg, hdr);
cd8f7cb4 12621
68eb5503 12622 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 12623 NL80211_MCGRP_MLME, gfp);
cd8f7cb4
JB		 12624 return;
12625
12626 free_msg:
12627 nlmsg_free(msg);
12628}
12629EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup);
12630#endif
12631
3475b094
JM		 12632void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer,
12633 enum nl80211_tdls_operation oper,
12634 u16 reason_code, gfp_t gfp)
12635{
12636 struct wireless_dev *wdev = dev->ieee80211_ptr;
f26cbf40 12637 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
3475b094
JM		 12638 struct sk_buff *msg;
12639 void *hdr;
3475b094
JM		 12640
12641 trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper,
12642 reason_code);
12643
12644 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
12645 if (!msg)
12646 return;
12647
12648 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER);
12649 if (!hdr) {
12650 nlmsg_free(msg);
12651 return;
12652 }
12653
12654 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
12655 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
12656 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) ||
12657 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) ||
12658 (reason_code > 0 &&
12659 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code)))
12660 goto nla_put_failure;
12661
9c90a9f6 12662 genlmsg_end(msg, hdr);
3475b094 12663
68eb5503 12664 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 12665 NL80211_MCGRP_MLME, gfp);
3475b094
JM		 12666 return;
12667
12668 nla_put_failure:
12669 genlmsg_cancel(msg, hdr);
12670 nlmsg_free(msg);
12671}
12672EXPORT_SYMBOL(cfg80211_tdls_oper_request);
12673
026331c4
JM		 12674static int nl80211_netlink_notify(struct notifier_block * nb,
12675 unsigned long state,
12676 void *_notify)
12677{
12678 struct netlink_notify *notify = _notify;
12679 struct cfg80211_registered_device *rdev;
12680 struct wireless_dev *wdev;
37c73b5f 12681 struct cfg80211_beacon_registration *reg, *tmp;
026331c4
JM		 12682
12683 if (state != NETLINK_URELEASE)
12684 return NOTIFY_DONE;
12685
12686 rcu_read_lock();
12687
5e760230 12688 list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) {
78f22b6a 12689 bool schedule_destroy_work = false;
93a1e86c
JR		 12690 bool schedule_scan_stop = false;
12691 struct cfg80211_sched_scan_request *sched_scan_req =
12692 rcu_dereference(rdev->sched_scan_req);
12693
12694 if (sched_scan_req && notify->portid &&
12695 sched_scan_req->owner_nlportid == notify->portid)
12696 schedule_scan_stop = true;
78f22b6a
JB		 12697
12698 list_for_each_entry_rcu(wdev, &rdev->wdev_list, list) {
15e47304 12699 cfg80211_mlme_unregister_socket(wdev, notify->portid);
37c73b5f 12700
78f22b6a
JB		 12701 if (wdev->owner_nlportid == notify->portid)
12702 schedule_destroy_work = true;
12703 }
12704
37c73b5f
BG		 12705 spin_lock_bh(&rdev->beacon_registrations_lock);
12706 list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations,
12707 list) {
12708 if (reg->nlportid == notify->portid) {
12709 list_del(&reg->list);
12710 kfree(reg);
12711 break;
12712 }
12713 }
12714 spin_unlock_bh(&rdev->beacon_registrations_lock);
78f22b6a
JB		 12715
12716 if (schedule_destroy_work) {
12717 struct cfg80211_iface_destroy *destroy;
12718
12719 destroy = kzalloc(sizeof(*destroy), GFP_ATOMIC);
12720 if (destroy) {
12721 destroy->nlportid = notify->portid;
12722 spin_lock(&rdev->destroy_list_lock);
12723 list_add(&destroy->list, &rdev->destroy_list);
12724 spin_unlock(&rdev->destroy_list_lock);
12725 schedule_work(&rdev->destroy_work);
12726 }
93a1e86c
JR		 12727 } else if (schedule_scan_stop) {
12728 sched_scan_req->owner_nlportid = 0;
12729
12730 if (rdev->ops->sched_scan_stop &&
12731 rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN)
12732 schedule_work(&rdev->sched_scan_stop_wk);
78f22b6a 12733 }
5e760230 12734 }
026331c4
JM		 12735
12736 rcu_read_unlock();
12737
6784c7db 12738 return NOTIFY_OK;
026331c4
JM		 12739}
12740
12741static struct notifier_block nl80211_netlink_notifier = {
12742 .notifier_call = nl80211_netlink_notify,
12743};
12744
355199e0
JM		 12745void cfg80211_ft_event(struct net_device *netdev,
12746 struct cfg80211_ft_event_params *ft_event)
12747{
12748 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
f26cbf40 12749 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
355199e0
JM		 12750 struct sk_buff *msg;
12751 void *hdr;
355199e0
JM		 12752
12753 trace_cfg80211_ft_event(wiphy, netdev, ft_event);
12754
12755 if (!ft_event->target_ap)
12756 return;
12757
12758 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12759 if (!msg)
12760 return;
12761
12762 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT);
ae917c9f
JB		 12763 if (!hdr)
12764 goto out;
355199e0 12765
ae917c9f
JB		 12766 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
12767 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
12768 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap))
12769 goto out;
355199e0 12770
ae917c9f
JB		 12771 if (ft_event->ies &&
12772 nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies))
12773 goto out;
12774 if (ft_event->ric_ies &&
12775 nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len,
12776 ft_event->ric_ies))
12777 goto out;
355199e0 12778
9c90a9f6 12779 genlmsg_end(msg, hdr);
355199e0 12780
68eb5503 12781 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
2a94fe48 12782 NL80211_MCGRP_MLME, GFP_KERNEL);
ae917c9f
JB		 12783 return;
12784 out:
12785 nlmsg_free(msg);
355199e0
JM		 12786}
12787EXPORT_SYMBOL(cfg80211_ft_event);
12788
5de17984
AS		 12789void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp)
12790{
12791 struct cfg80211_registered_device *rdev;
12792 struct sk_buff *msg;
12793 void *hdr;
12794 u32 nlportid;
12795
f26cbf40 12796 rdev = wiphy_to_rdev(wdev->wiphy);
5de17984
AS		 12797 if (!rdev->crit_proto_nlportid)
12798 return;
12799
12800 nlportid = rdev->crit_proto_nlportid;
12801 rdev->crit_proto_nlportid = 0;
12802
12803 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
12804 if (!msg)
12805 return;
12806
12807 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP);
12808 if (!hdr)
12809 goto nla_put_failure;
12810
12811 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
12812 nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)))
12813 goto nla_put_failure;
12814
12815 genlmsg_end(msg, hdr);
12816
12817 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
12818 return;
12819
12820 nla_put_failure:
12821 if (hdr)
12822 genlmsg_cancel(msg, hdr);
12823 nlmsg_free(msg);
12824
12825}
12826EXPORT_SYMBOL(cfg80211_crit_proto_stopped);
12827
348baf0e
JB		 12828void nl80211_send_ap_stopped(struct wireless_dev *wdev)
12829{
12830 struct wiphy *wiphy = wdev->wiphy;
f26cbf40 12831 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
348baf0e
JB		 12832 struct sk_buff *msg;
12833 void *hdr;
12834
12835 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12836 if (!msg)
12837 return;
12838
12839 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STOP_AP);
12840 if (!hdr)
12841 goto out;
12842
12843 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
12844 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex) ||
12845 nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)))
12846 goto out;
12847
12848 genlmsg_end(msg, hdr);
12849
12850 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(wiphy), msg, 0,
12851 NL80211_MCGRP_MLME, GFP_KERNEL);
12852 return;
12853 out:
12854 nlmsg_free(msg);
12855}
12856
55682965
JB		 12857/* initialisation/exit functions */
12858
12859int nl80211_init(void)
12860{
0d63cbb5 12861 int err;
55682965 12862
2a94fe48
JB		 12863 err = genl_register_family_with_ops_groups(&nl80211_fam, nl80211_ops,
12864 nl80211_mcgrps);
55682965
JB		 12865 if (err)
12866 return err;
12867
026331c4
JM		 12868 err = netlink_register_notifier(&nl80211_netlink_notifier);
12869 if (err)
12870 goto err_out;
12871
55682965
JB		 12872 return 0;
12873 err_out:
12874 genl_unregister_family(&nl80211_fam);
12875 return err;
12876}
12877
12878void nl80211_exit(void)
12879{
026331c4 12880 netlink_unregister_notifier(&nl80211_netlink_notifier);
55682965
JB		 12881 genl_unregister_family(&nl80211_fam);
12882}
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